mirror of
https://github.com/vel21ripn/nDPI.git
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6724 lines
248 KiB
C
6724 lines
248 KiB
C
/*
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* ndpi_main.c
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*
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* Copyright (C) 2011-19 - ntop.org
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*
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* This file is part of nDPI, an open source deep packet inspection
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* library based on the OpenDPI and PACE technology by ipoque GmbH
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*
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* nDPI is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* nDPI is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with nDPI. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "ndpi_config.h"
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#endif
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#include <stdlib.h>
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#include <errno.h>
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#include <sys/types.h>
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#include "ahocorasick.h"
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#include "libcache.h"
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#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_UNKNOWN
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#include "ndpi_api.h"
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#include "ndpi_config.h"
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#include <time.h>
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#ifndef WIN32
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#include <unistd.h>
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#endif
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#if defined __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__
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#include <sys/endian.h>
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#endif
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#include "ndpi_content_match.c.inc"
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#include "third_party/include/ndpi_patricia.h"
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#include "third_party/include/ht_hash.h"
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#include "third_party/include/ndpi_md5.h"
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/* stun.c */
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extern u_int32_t get_stun_lru_key(struct ndpi_flow_struct *flow, u_int8_t rev);
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static int _ndpi_debug_callbacks = 0;
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/* #define MATCH_DEBUG 1 */
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/* ****************************************** */
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static void *(*_ndpi_flow_malloc)(size_t size);
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static void (*_ndpi_flow_free)(void *ptr);
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static void *(*_ndpi_malloc)(size_t size);
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static void (*_ndpi_free)(void *ptr);
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/* ****************************************** */
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/* Forward */
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static void addDefaultPort(struct ndpi_detection_module_struct *ndpi_str,
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ndpi_port_range *range,
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ndpi_proto_defaults_t *def,
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u_int8_t customUserProto,
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ndpi_default_ports_tree_node_t **root,
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const char *_func, int _line);
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static int removeDefaultPort(ndpi_port_range *range,
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ndpi_proto_defaults_t *def,
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ndpi_default_ports_tree_node_t **root);
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/* ****************************************** */
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void* ndpi_malloc(size_t size) { return(_ndpi_malloc ? _ndpi_malloc(size) : malloc(size)); }
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void* ndpi_flow_malloc(size_t size) { return(_ndpi_flow_malloc ? _ndpi_flow_malloc(size) : ndpi_malloc(size)); }
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/* ****************************************** */
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void * ndpi_calloc(unsigned long count, size_t size)
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{
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size_t len = count*size;
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void *p = ndpi_malloc(len);
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if(p)
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memset(p, 0, len);
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return(p);
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}
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/* ****************************************** */
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void ndpi_free(void *ptr) {
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if(_ndpi_free)
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_ndpi_free(ptr);
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else
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free(ptr);
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}
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/* ****************************************** */
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void ndpi_flow_free(void *ptr) {
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if(_ndpi_flow_free)
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_ndpi_flow_free(ptr);
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else
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ndpi_free_flow((struct ndpi_flow_struct *) ptr);
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}
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/* ****************************************** */
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void * ndpi_realloc(void *ptr, size_t old_size,
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size_t new_size) {
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void *ret = ndpi_malloc(new_size);
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if(!ret)
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return(ret);
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else {
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memcpy(ret, ptr, old_size);
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ndpi_free(ptr);
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return(ret);
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}
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}
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/* ****************************************** */
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char * ndpi_strdup(const char *s)
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{
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int len = strlen(s);
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char *m = ndpi_malloc(len+1);
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if(m) {
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memcpy(m, s, len);
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m[len] = '\0';
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}
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return(m);
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}
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/* *********************************************************************************** */
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/* Opaque structure defined here */
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struct ndpi_ptree {
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patricia_tree_t *v4;
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patricia_tree_t *v6;
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};
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/* *********************************************************************************** */
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u_int32_t ndpi_detection_get_sizeof_ndpi_flow_struct(void) { return(sizeof(struct ndpi_flow_struct)); }
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/* *********************************************************************************** */
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u_int32_t ndpi_detection_get_sizeof_ndpi_id_struct(void) { return(sizeof(struct ndpi_id_struct)); }
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/* *********************************************************************************** */
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char * ndpi_get_proto_by_id(struct ndpi_detection_module_struct *ndpi_str, u_int id) {
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return((id >= ndpi_str->ndpi_num_supported_protocols) ? NULL : ndpi_str->proto_defaults[id].protoName);
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}
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/* *********************************************************************************** */
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u_int16_t ndpi_get_proto_by_name(struct ndpi_detection_module_struct *ndpi_str, const char *name) {
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u_int16_t i, num = ndpi_get_num_supported_protocols(ndpi_str);
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for(i = 0; i < num; i++)
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if(strcasecmp(ndpi_get_proto_by_id(ndpi_str, i), name) == 0)
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return(i);
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return(NDPI_PROTOCOL_UNKNOWN);
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}
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/* ************************************************************************************* */
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#ifdef CODE_UNUSED
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ndpi_port_range * ndpi_build_default_ports_range(ndpi_port_range *ports,
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u_int16_t portA_low, u_int16_t portA_high,
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u_int16_t portB_low, u_int16_t portB_high,
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u_int16_t portC_low, u_int16_t portC_high,
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u_int16_t portD_low, u_int16_t portD_high,
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u_int16_t portE_low, u_int16_t portE_high) {
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int i = 0;
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ports[i].port_low = portA_low, ports[i].port_high = portA_high; i++;
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ports[i].port_low = portB_low, ports[i].port_high = portB_high; i++;
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ports[i].port_low = portC_low, ports[i].port_high = portC_high; i++;
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ports[i].port_low = portD_low, ports[i].port_high = portD_high; i++;
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ports[i].port_low = portE_low, ports[i].port_high = portE_high;
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return(ports);
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}
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#endif
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/* *********************************************************************************** */
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ndpi_port_range * ndpi_build_default_ports(ndpi_port_range *ports,
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u_int16_t portA,
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u_int16_t portB,
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u_int16_t portC,
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u_int16_t portD,
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u_int16_t portE) {
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int i = 0;
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ports[i].port_low = portA, ports[i].port_high = portA; i++;
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ports[i].port_low = portB, ports[i].port_high = portB; i++;
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ports[i].port_low = portC, ports[i].port_high = portC; i++;
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ports[i].port_low = portD, ports[i].port_high = portD; i++;
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ports[i].port_low = portE, ports[i].port_high = portE;
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return(ports);
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}
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/* ********************************************************************************** */
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void ndpi_set_proto_breed(struct ndpi_detection_module_struct *ndpi_str,
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u_int16_t protoId, ndpi_protocol_breed_t breed) {
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if(protoId >= NDPI_MAX_SUPPORTED_PROTOCOLS+NDPI_MAX_NUM_CUSTOM_PROTOCOLS)
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return;
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else
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ndpi_str->proto_defaults[protoId].protoBreed = breed;
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}
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/* ********************************************************************************** */
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void ndpi_set_proto_category(struct ndpi_detection_module_struct *ndpi_str,
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u_int16_t protoId, ndpi_protocol_category_t protoCategory) {
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if(protoId >= NDPI_MAX_SUPPORTED_PROTOCOLS+NDPI_MAX_NUM_CUSTOM_PROTOCOLS)
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return;
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else
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ndpi_str->proto_defaults[protoId].protoCategory = protoCategory;
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}
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/* ********************************************************************************** */
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/*
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There are some (master) protocols that are informative, meaning that it shows
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what is the subprotocol about, but also that the subprotocol isn't a real protocol.
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Example:
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- DNS is informative as if we see a DNS request for www.facebook.com, the
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returned protocol is DNS.Facebook, but Facebook isn't a real subprotocol but
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rather it indicates a query for Facebook and not Facebook traffic.
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- HTTP/SSL are NOT informative as SSL.Facebook (likely) means that this is
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SSL (HTTPS) traffic containg Facebook traffic.
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*/
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u_int8_t ndpi_is_subprotocol_informative(struct ndpi_detection_module_struct *ndpi_str,
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u_int16_t protoId) {
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if(protoId >= NDPI_MAX_SUPPORTED_PROTOCOLS+NDPI_MAX_NUM_CUSTOM_PROTOCOLS)
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return(0);
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switch(protoId) {
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/* All dissectors that have calls to ndpi_match_host_subprotocol() */
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case NDPI_PROTOCOL_DNS:
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case NDPI_PROTOCOL_HTTP:
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case NDPI_PROTOCOL_TLS:
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case NDPI_PROTOCOL_QUIC:
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case NDPI_PROTOCOL_FBZERO:
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return(1);
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break;
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default:
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return(0);
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}
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}
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/* ********************************************************************************** */
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void ndpi_exclude_protocol(struct ndpi_detection_module_struct *ndpi_str,
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struct ndpi_flow_struct *flow,
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u_int16_t protocol_id,
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const char *_file, const char *_func,int _line) {
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if(protocol_id < NDPI_MAX_SUPPORTED_PROTOCOLS+NDPI_MAX_NUM_CUSTOM_PROTOCOLS) {
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#ifdef NDPI_ENABLE_DEBUG_MESSAGES
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if( ndpi_str &&
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ndpi_str->ndpi_log_level >= NDPI_LOG_DEBUG &&
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ndpi_str->ndpi_debug_printf != NULL) {
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(*(ndpi_str->ndpi_debug_printf))(protocol_id, ndpi_str, NDPI_LOG_DEBUG,
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_file, _func, _line, "exclude %s\n",ndpi_get_proto_name(ndpi_str, protocol_id));
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}
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#endif
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NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, protocol_id);
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}
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}
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/* ********************************************************************************** */
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void ndpi_set_proto_defaults(struct ndpi_detection_module_struct *ndpi_str,
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ndpi_protocol_breed_t breed, u_int16_t protoId,
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u_int8_t can_have_a_subprotocol,
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u_int16_t tcp_master_protoId[2], u_int16_t udp_master_protoId[2],
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char *protoName, ndpi_protocol_category_t protoCategory,
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ndpi_port_range *tcpDefPorts, ndpi_port_range *udpDefPorts) {
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char *name;
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int j;
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if(protoId >= NDPI_MAX_SUPPORTED_PROTOCOLS+NDPI_MAX_NUM_CUSTOM_PROTOCOLS) {
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#ifdef DEBUG
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NDPI_LOG_ERR(ndpi_str, "[NDPI] %s/protoId=%d: INTERNAL ERROR\n", protoName, protoId);
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#endif
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return;
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}
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if(ndpi_str->proto_defaults[protoId].protoName != NULL) {
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#ifdef DEBUG
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NDPI_LOG_ERR(ndpi_str, "[NDPI] %s/protoId=%d: already initialized. Ignoring it\n", protoName, protoId);
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#endif
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return;
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}
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name = ndpi_strdup(protoName);
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if(ndpi_str->proto_defaults[protoId].protoName)
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ndpi_free(ndpi_str->proto_defaults[protoId].protoName);
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ndpi_str->proto_defaults[protoId].protoName = name,
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ndpi_str->proto_defaults[protoId].protoCategory = protoCategory,
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ndpi_str->proto_defaults[protoId].protoId = protoId,
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ndpi_str->proto_defaults[protoId].protoBreed = breed;
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ndpi_str->proto_defaults[protoId].can_have_a_subprotocol = can_have_a_subprotocol;
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memcpy(&ndpi_str->proto_defaults[protoId].master_tcp_protoId, tcp_master_protoId, 2*sizeof(u_int16_t));
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memcpy(&ndpi_str->proto_defaults[protoId].master_udp_protoId, udp_master_protoId, 2*sizeof(u_int16_t));
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for(j=0; j<MAX_DEFAULT_PORTS; j++) {
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if(udpDefPorts[j].port_low != 0)
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addDefaultPort(ndpi_str, &udpDefPorts[j],
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&ndpi_str->proto_defaults[protoId], 0, &ndpi_str->udpRoot, __FUNCTION__,__LINE__);
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if(tcpDefPorts[j].port_low != 0)
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addDefaultPort(ndpi_str, &tcpDefPorts[j],
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&ndpi_str->proto_defaults[protoId], 0, &ndpi_str->tcpRoot, __FUNCTION__,__LINE__);
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}
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}
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/* ******************************************************************** */
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static int ndpi_default_ports_tree_node_t_cmp(const void *a, const void *b)
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{
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ndpi_default_ports_tree_node_t *fa = (ndpi_default_ports_tree_node_t*)a;
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ndpi_default_ports_tree_node_t *fb = (ndpi_default_ports_tree_node_t*)b;
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//printf("[NDPI] %s(%d, %d)\n", __FUNCTION__, fa->default_port, fb->default_port);
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return((fa->default_port == fb->default_port) ? 0 : ((fa->default_port < fb->default_port) ? -1 : 1));
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}
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/* ******************************************************************** */
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void ndpi_default_ports_tree_node_t_walker(const void *node, const ndpi_VISIT which, const int depth)
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{
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ndpi_default_ports_tree_node_t *f = *(ndpi_default_ports_tree_node_t **)node;
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printf("<%d>Walk on node %s (%u)\n",
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depth,
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which == ndpi_preorder?"ndpi_preorder":
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which == ndpi_postorder?"ndpi_postorder":
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which == ndpi_endorder?"ndpi_endorder":
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which == ndpi_leaf?"ndpi_leaf": "unknown",
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f->default_port);
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}
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/* ******************************************************************** */
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static void addDefaultPort(struct ndpi_detection_module_struct *ndpi_str,
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ndpi_port_range *range,
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ndpi_proto_defaults_t *def,
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u_int8_t customUserProto,
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ndpi_default_ports_tree_node_t **root,
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const char *_func, int _line) {
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u_int16_t port;
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for(port=range->port_low; port<=range->port_high; port++) {
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ndpi_default_ports_tree_node_t *node = (ndpi_default_ports_tree_node_t*)ndpi_malloc(sizeof(ndpi_default_ports_tree_node_t));
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ndpi_default_ports_tree_node_t *ret;
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if(!node) {
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NDPI_LOG_ERR(ndpi_str, "%s:%d not enough memory\n", _func, _line);
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break;
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}
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node->proto = def, node->default_port = port, node->customUserProto = customUserProto;
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ret = (ndpi_default_ports_tree_node_t*)ndpi_tsearch(node, (void*)root, ndpi_default_ports_tree_node_t_cmp); /* Add it to the tree */
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if(ret != node) {
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NDPI_LOG_DBG(ndpi_str, "[NDPI] %s:%d found duplicate for port %u: overwriting it with new value\n",
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_func, _line, port);
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ret->proto = def;
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ndpi_free(node);
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}
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}
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}
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/* ****************************************************** */
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/*
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NOTE
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This function must be called with a semaphore set, this in order to avoid
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changing the datastructures while using them
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*/
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static int removeDefaultPort(ndpi_port_range *range,
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ndpi_proto_defaults_t *def,
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ndpi_default_ports_tree_node_t **root)
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{
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ndpi_default_ports_tree_node_t node;
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u_int16_t port;
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for(port=range->port_low; port<=range->port_high; port++) {
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ndpi_default_ports_tree_node_t *ret;
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node.proto = def, node.default_port = port;
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ret = (ndpi_default_ports_tree_node_t*)ndpi_tdelete(&node, (void*)root,
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ndpi_default_ports_tree_node_t_cmp); /* Add it to the tree */
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if(ret != NULL) {
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ndpi_free((ndpi_default_ports_tree_node_t*)ret);
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return(0);
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}
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}
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return(-1);
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}
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/* ****************************************************** */
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static int ndpi_string_to_automa(struct ndpi_detection_module_struct *ndpi_str,
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ndpi_automa *automa,
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char *value, u_int16_t protocol_id,
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ndpi_protocol_category_t category,
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ndpi_protocol_breed_t breed) {
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AC_PATTERN_t ac_pattern;
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if(protocol_id >= (NDPI_MAX_SUPPORTED_PROTOCOLS+NDPI_MAX_NUM_CUSTOM_PROTOCOLS)) {
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NDPI_LOG_ERR(ndpi_str, "[NDPI] protoId=%d: INTERNAL ERROR\n", protocol_id);
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return(-1);
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}
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if(automa->ac_automa == NULL) return(-2);
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ac_pattern.astring = value,
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ac_pattern.rep.number = protocol_id,
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ac_pattern.rep.category = (u_int16_t)category,
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ac_pattern.rep.breed = (u_int16_t)breed;
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#ifdef MATCH_DEBUG
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printf("Adding to automa [%s][protocol_id: %u][category: %u][breed: %u]\n",
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value, protocol_id, category, breed);
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#endif
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if(value == NULL)
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ac_pattern.length = 0;
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else
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ac_pattern.length = strlen(ac_pattern.astring);
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if(ac_automata_add(((AC_AUTOMATA_t*)automa->ac_automa), &ac_pattern) != ACERR_SUCCESS)
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return(-2);
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return(0);
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}
|
|
|
|
/* ****************************************************** */
|
|
|
|
static int ndpi_add_host_url_subprotocol(struct ndpi_detection_module_struct *ndpi_str,
|
|
char *_value, int protocol_id,
|
|
ndpi_protocol_category_t category,
|
|
ndpi_protocol_breed_t breed) {
|
|
int rv;
|
|
char *value = ndpi_strdup(_value);
|
|
|
|
if(!value) return(-1);
|
|
|
|
#ifdef DEBUG
|
|
NDPI_LOG_DEBUG2(ndpi_str, "[NDPI] Adding [%s][%d]\n", value, protocol_id);
|
|
#endif
|
|
|
|
rv = ndpi_string_to_automa(ndpi_str,
|
|
&ndpi_str->host_automa,
|
|
value,
|
|
protocol_id,
|
|
category, breed);
|
|
|
|
if(rv != 0) ndpi_free(value);
|
|
|
|
return(rv);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
#ifdef CODE_UNUSED
|
|
int ndpi_add_content_subprotocol(struct ndpi_detection_module_struct *ndpi_str,
|
|
char *value, int protocol_id,
|
|
ndpi_protocol_category_t category,
|
|
ndpi_protocol_breed_t breed) {
|
|
return(ndpi_string_to_automa(ndpi_str, &ndpi_str->content_automa,
|
|
value, protocol_id, category, breed));
|
|
}
|
|
#endif
|
|
|
|
/* ****************************************************** */
|
|
|
|
/*
|
|
NOTE
|
|
|
|
This function must be called with a semaphore set, this in order to avoid
|
|
changing the datastructures while using them
|
|
*/
|
|
static int ndpi_remove_host_url_subprotocol(struct ndpi_detection_module_struct *ndpi_str,
|
|
char *value, int protocol_id)
|
|
{
|
|
NDPI_LOG_ERR(ndpi_str, "[NDPI] Missing implementation for proto %s/%d\n",value,protocol_id);
|
|
return(-1);
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
void ndpi_init_protocol_match(struct ndpi_detection_module_struct *ndpi_str,
|
|
ndpi_protocol_match *match) {
|
|
u_int16_t no_master[2] = { NDPI_PROTOCOL_NO_MASTER_PROTO, NDPI_PROTOCOL_NO_MASTER_PROTO };
|
|
ndpi_port_range ports_a[MAX_DEFAULT_PORTS], ports_b[MAX_DEFAULT_PORTS];
|
|
|
|
if(ndpi_str->proto_defaults[match->protocol_id].protoName == NULL) {
|
|
ndpi_str->proto_defaults[match->protocol_id].protoName = ndpi_strdup(match->proto_name);
|
|
|
|
ndpi_str->proto_defaults[match->protocol_id].protoId = match->protocol_id;
|
|
ndpi_str->proto_defaults[match->protocol_id].protoCategory = match->protocol_category;
|
|
ndpi_str->proto_defaults[match->protocol_id].protoBreed = match->protocol_breed;
|
|
|
|
ndpi_set_proto_defaults(ndpi_str,
|
|
ndpi_str->proto_defaults[match->protocol_id].protoBreed,
|
|
ndpi_str->proto_defaults[match->protocol_id].protoId,
|
|
0 /* can_have_a_subprotocol */,
|
|
no_master, no_master,
|
|
ndpi_str->proto_defaults[match->protocol_id].protoName,
|
|
ndpi_str->proto_defaults[match->protocol_id].protoCategory,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
}
|
|
|
|
ndpi_add_host_url_subprotocol(ndpi_str,
|
|
match->string_to_match,
|
|
match->protocol_id,
|
|
match->protocol_category,
|
|
match->protocol_breed);
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
#ifdef HAVE_HYPERSCAN
|
|
|
|
static int hyperscan_load_patterns(struct hs *hs, u_int num_patterns,
|
|
const char **expressions, unsigned int *ids) {
|
|
hs_compile_error_t *compile_err;
|
|
|
|
if(hs_compile_multi(expressions, NULL, ids,
|
|
num_patterns, HS_MODE_BLOCK, NULL,
|
|
&hs->database, &compile_err) != HS_SUCCESS) {
|
|
NDPI_LOG_ERR(ndpi_str, "Unable to initialize hyperscan database\n");
|
|
hs_free_compile_error(compile_err);
|
|
return(-1);
|
|
}
|
|
|
|
hs->scratch = NULL;
|
|
if(hs_alloc_scratch(hs->database, &hs->scratch) != HS_SUCCESS) {
|
|
NDPI_LOG_ERR(ndpi_str, "Unable to allocate hyperscan scratch space\n");
|
|
hs_free_database(hs->database);
|
|
return(-1);
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
static char* string2hex(const char *pat) {
|
|
u_int patlen, i;
|
|
char *hexbuf, *buf;
|
|
|
|
patlen = strlen(pat);
|
|
hexbuf = (char*)ndpi_calloc(sizeof(char), patlen * 4 + 1);
|
|
if(!hexbuf) return(NULL);
|
|
|
|
for (i = 0, buf = hexbuf; i < patlen; i++, buf += 4) {
|
|
snprintf(buf, 5, "\\x%02x", (unsigned char)pat[i]);
|
|
}
|
|
*buf = '\0';
|
|
|
|
return(hexbuf);
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
static int init_hyperscan(struct ndpi_detection_module_struct *ndpi_str) {
|
|
u_int num_patterns = 0, i, j;
|
|
char **expressions;
|
|
unsigned int *ids;
|
|
unsigned char *need_to_be_free;
|
|
struct hs *hs;
|
|
int rc;
|
|
|
|
ndpi_str->hyperscan = (void*)ndpi_malloc(sizeof(struct hs));
|
|
if(!ndpi_str->hyperscan) return(-1);
|
|
hs = (struct hs*)ndpi_str->hyperscan;
|
|
|
|
for(i = 0; (host_match[i].string_to_match != NULL)
|
|
|| (host_match[i].pattern_to_match != NULL); i++)
|
|
num_patterns++;
|
|
|
|
expressions = (char**)ndpi_calloc(sizeof(char*), num_patterns + 1);
|
|
if(!expressions) return(-1);
|
|
|
|
ids = (unsigned int*)ndpi_calloc(sizeof(unsigned int), num_patterns + 1);
|
|
if(!ids) {
|
|
ndpi_free(expressions);
|
|
return(-1);
|
|
}
|
|
|
|
need_to_be_free = (unsigned char*)ndpi_calloc(sizeof(unsigned char), num_patterns + 1);
|
|
if(!need_to_be_free) {
|
|
ndpi_free(expressions);
|
|
ndpi_free(ids);
|
|
return(-1);
|
|
}
|
|
|
|
for(i = 0, j = 0; host_match[i].string_to_match != NULL || host_match[i].pattern_to_match != NULL; i++) {
|
|
if(host_match[i].pattern_to_match) {
|
|
expressions[j] = host_match[i].pattern_to_match;
|
|
ids[j] = host_match[i].protocol_id;
|
|
need_to_be_free[j] = 0;
|
|
++j;
|
|
} else {
|
|
expressions[j] = string2hex(host_match[i].string_to_match);
|
|
if(expressions[j] != NULL) {
|
|
ids[j] = host_match[i].protocol_id;
|
|
need_to_be_free[j] = 1;
|
|
++j;
|
|
} else {
|
|
#ifdef DEBUG
|
|
printf("Fail to calloc memory for %s\n", host_match[i].string_to_match);
|
|
#endif
|
|
}
|
|
}
|
|
/*printf("[DEBUG] %s\n", j ? expressions[j - 1] : "No Expression");*/
|
|
}
|
|
|
|
rc = hyperscan_load_patterns(hs, j, (const char**)expressions, ids);
|
|
|
|
for(i = 0; i < j; ++i)
|
|
if(need_to_be_free[i])
|
|
ndpi_free(expressions[i]);
|
|
|
|
ndpi_free(expressions), ndpi_free(ids);
|
|
|
|
ndpi_free(need_to_be_free);
|
|
|
|
return(rc);
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
static void free_hyperscan_memory(struct hs *h) {
|
|
if(h) {
|
|
hs_free_scratch(h->scratch);
|
|
hs_free_database(h->database);
|
|
ndpi_free(h);
|
|
}
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
static void destroy_hyperscan(struct ndpi_detection_module_struct *ndpi_str) {
|
|
if(ndpi_str->hyperscan)
|
|
free_hyperscan_memory((struct hs*)ndpi_str->hyperscan);
|
|
}
|
|
|
|
#endif
|
|
|
|
/* ******************************************************************** */
|
|
|
|
static void init_string_based_protocols(struct ndpi_detection_module_struct *ndpi_str) {
|
|
int i;
|
|
|
|
#ifdef HAVE_HYPERSCAN
|
|
// TODO check return value
|
|
init_hyperscan(ndpi_str);
|
|
#endif
|
|
|
|
for(i=0; host_match[i].string_to_match != NULL; i++)
|
|
ndpi_init_protocol_match(ndpi_str, &host_match[i]);
|
|
|
|
ndpi_enable_loaded_categories(ndpi_str);
|
|
|
|
#ifdef MATCH_DEBUG
|
|
// ac_automata_display(ndpi_str->host_automa.ac_automa, 'n');
|
|
#endif
|
|
|
|
for(i=0; ndpi_en_bigrams[i] != NULL; i++)
|
|
ndpi_string_to_automa(ndpi_str, &ndpi_str->bigrams_automa,
|
|
(char*)ndpi_en_bigrams[i],
|
|
1, 1, 1);
|
|
|
|
for(i=0; ndpi_en_impossible_bigrams[i] != NULL; i++)
|
|
ndpi_string_to_automa(ndpi_str, &ndpi_str->impossible_bigrams_automa,
|
|
(char*)ndpi_en_impossible_bigrams[i],
|
|
1, 1, 1);
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
int ndpi_set_detection_preferences(struct ndpi_detection_module_struct *ndpi_str,
|
|
ndpi_detection_preference pref,
|
|
int value) {
|
|
switch(pref) {
|
|
case ndpi_pref_direction_detect_disable:
|
|
ndpi_str->direction_detect_disable = (u_int8_t)value;
|
|
break;
|
|
|
|
case ndpi_pref_disable_metadata_export:
|
|
ndpi_str->disable_metadata_export = (u_int8_t)value;
|
|
break;
|
|
|
|
default:
|
|
return(-1);
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
static void ndpi_validate_protocol_initialization(struct ndpi_detection_module_struct *ndpi_str) {
|
|
int i;
|
|
|
|
for(i=0; i<(int)ndpi_str->ndpi_num_supported_protocols; i++) {
|
|
if(ndpi_str->proto_defaults[i].protoName == NULL) {
|
|
NDPI_LOG_ERR(ndpi_str, "[NDPI] INTERNAL ERROR missing protoName initialization for [protoId=%d]: recovering\n", i);
|
|
} else {
|
|
if((i != NDPI_PROTOCOL_UNKNOWN)
|
|
&& (ndpi_str->proto_defaults[i].protoCategory == NDPI_PROTOCOL_CATEGORY_UNSPECIFIED)) {
|
|
NDPI_LOG_ERR(ndpi_str, "[NDPI] INTERNAL ERROR missing category [protoId=%d/%s] initialization: recovering\n",
|
|
i, ndpi_str->proto_defaults[i].protoName ? ndpi_str->proto_defaults[i].protoName : "???");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
/* This function is used to map protocol name and default ports and it MUST
|
|
be updated whenever a new protocol is added to NDPI.
|
|
|
|
Do NOT add web services (NDPI_SERVICE_xxx) here.
|
|
*/
|
|
static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndpi_str) {
|
|
ndpi_port_range ports_a[MAX_DEFAULT_PORTS], ports_b[MAX_DEFAULT_PORTS];
|
|
u_int16_t no_master[2] = { NDPI_PROTOCOL_NO_MASTER_PROTO, NDPI_PROTOCOL_NO_MASTER_PROTO },
|
|
custom_master[2];
|
|
|
|
/* Reset all settings */
|
|
memset(ndpi_str->proto_defaults, 0, sizeof(ndpi_str->proto_defaults));
|
|
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_UNRATED, NDPI_PROTOCOL_UNKNOWN,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Unknown", NDPI_PROTOCOL_CATEGORY_UNSPECIFIED,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_UNSAFE, NDPI_PROTOCOL_FTP_CONTROL,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "FTP_CONTROL", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 21, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_FTP_DATA,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "FTP_DATA", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 20, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_UNSAFE, NDPI_PROTOCOL_MAIL_POP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "POP3", NDPI_PROTOCOL_CATEGORY_MAIL,
|
|
ndpi_build_default_ports(ports_a, 110, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_SAFE, NDPI_PROTOCOL_MAIL_POPS,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "POPS", NDPI_PROTOCOL_CATEGORY_MAIL,
|
|
ndpi_build_default_ports(ports_a, 995, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_MAIL_SMTP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "SMTP", NDPI_PROTOCOL_CATEGORY_MAIL,
|
|
ndpi_build_default_ports(ports_a, 25, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_SAFE, NDPI_PROTOCOL_MAIL_SMTPS,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "SMTPS", NDPI_PROTOCOL_CATEGORY_MAIL,
|
|
ndpi_build_default_ports(ports_a, 465, 587, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_UNSAFE, NDPI_PROTOCOL_MAIL_IMAP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "IMAP", NDPI_PROTOCOL_CATEGORY_MAIL,
|
|
ndpi_build_default_ports(ports_a, 143, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_SAFE, NDPI_PROTOCOL_MAIL_IMAPS,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "IMAPS", NDPI_PROTOCOL_CATEGORY_MAIL,
|
|
ndpi_build_default_ports(ports_a, 993, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_DNS,
|
|
1 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "DNS", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 53, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 53, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_IPP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "IPP", NDPI_PROTOCOL_CATEGORY_SYSTEM_OS,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_IMO,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "IMO", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_HTTP,
|
|
1 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "HTTP", NDPI_PROTOCOL_CATEGORY_WEB,
|
|
ndpi_build_default_ports(ports_a, 80, 0 /* ntop */, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_MDNS,
|
|
1 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "MDNS", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 5353, 5354, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_NTP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "NTP", NDPI_PROTOCOL_CATEGORY_SYSTEM_OS,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 123, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_NETBIOS,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "NetBIOS", NDPI_PROTOCOL_CATEGORY_SYSTEM_OS,
|
|
ndpi_build_default_ports(ports_a, 139, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 137, 138, 139, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_NFS,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "NFS", NDPI_PROTOCOL_CATEGORY_DATA_TRANSFER,
|
|
ndpi_build_default_ports(ports_a, 2049, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 2049, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SSDP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "SSDP", NDPI_PROTOCOL_CATEGORY_SYSTEM_OS,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_BGP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "BGP", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 179, 2605, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SNMP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "SNMP", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 161, 162, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_XDMCP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "XDMCP", NDPI_PROTOCOL_CATEGORY_REMOTE_ACCESS,
|
|
ndpi_build_default_ports(ports_a, 177, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 177, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_DANGEROUS, NDPI_PROTOCOL_SMBV1,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "SMBv1", NDPI_PROTOCOL_CATEGORY_SYSTEM_OS,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SYSLOG,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Syslog", NDPI_PROTOCOL_CATEGORY_SYSTEM_OS,
|
|
ndpi_build_default_ports(ports_a, 514, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 514, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_DHCP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "DHCP", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 67, 68, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_POSTGRES,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "PostgreSQL", NDPI_PROTOCOL_CATEGORY_DATABASE,
|
|
ndpi_build_default_ports(ports_a, 5432, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_MYSQL,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "MySQL", NDPI_PROTOCOL_CATEGORY_DATABASE,
|
|
ndpi_build_default_ports(ports_a, 3306, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_POTENTIALLY_DANGEROUS, NDPI_PROTOCOL_DIRECT_DOWNLOAD_LINK,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Direct_Download_Link", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_POTENTIALLY_DANGEROUS, NDPI_PROTOCOL_APPLEJUICE,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "AppleJuice", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_POTENTIALLY_DANGEROUS, NDPI_PROTOCOL_DIRECTCONNECT,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "DirectConnect", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_SAFE, NDPI_PROTOCOL_NTOP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "ntop", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_VMWARE,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "VMware", NDPI_PROTOCOL_CATEGORY_REMOTE_ACCESS,
|
|
ndpi_build_default_ports(ports_a, 903, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 902, 903, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_SAFE, NDPI_PROTOCOL_FBZERO,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "FacebookZero", NDPI_PROTOCOL_CATEGORY_SOCIAL_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 443, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_POTENTIALLY_DANGEROUS, NDPI_PROTOCOL_KONTIKI,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Kontiki", NDPI_PROTOCOL_CATEGORY_MEDIA,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_POTENTIALLY_DANGEROUS, NDPI_PROTOCOL_OPENFT,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "OpenFT", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_POTENTIALLY_DANGEROUS, NDPI_PROTOCOL_FASTTRACK,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "FastTrack", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_POTENTIALLY_DANGEROUS, NDPI_PROTOCOL_GNUTELLA,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Gnutella", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_UNSAFE, NDPI_PROTOCOL_EDONKEY,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "eDonkey", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_UNSAFE, NDPI_PROTOCOL_BITTORRENT,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "BitTorrent", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 51413, 53646, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 6771, 51413, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SKYPE,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Skype", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SKYPE_CALL,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "SkypeCall", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_TIKTOK,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "TikTok", NDPI_PROTOCOL_CATEGORY_SOCIAL_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_TEREDO,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Teredo", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 3544, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_WECHAT,
|
|
0 /* can_have_a_subprotocol */, no_master, /* wechat.com */
|
|
no_master, "WeChat", NDPI_PROTOCOL_CATEGORY_CHAT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_MEMCACHED,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Memcached", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 11211, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 11211, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SMBV23,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "SMBv23", NDPI_PROTOCOL_CATEGORY_SYSTEM_OS,
|
|
ndpi_build_default_ports(ports_a, 445, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_UNSAFE, NDPI_PROTOCOL_MINING,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Mining", CUSTOM_CATEGORY_MINING,
|
|
ndpi_build_default_ports(ports_a, 8333, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_NEST_LOG_SINK,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "NestLogSink", NDPI_PROTOCOL_CATEGORY_CLOUD,
|
|
ndpi_build_default_ports(ports_a, 11095, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_MODBUS,
|
|
1 /* no subprotocol */, no_master,
|
|
no_master, "Modbus", NDPI_PROTOCOL_CATEGORY_NETWORK, /* Perhaps IoT in the future */
|
|
ndpi_build_default_ports(ports_a, 502, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_WHATSAPP_CALL,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "WhatsAppCall", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_DATASAVER,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "DataSaver", NDPI_PROTOCOL_CATEGORY_WEB /* dummy */,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_SIGNAL,
|
|
0 /* can_have_a_subprotocol */, no_master, /* https://signal.org */
|
|
no_master, "Signal", NDPI_PROTOCOL_CATEGORY_CHAT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_DOH_DOT,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "DoH_DoT", NDPI_PROTOCOL_CATEGORY_NETWORK /* dummy */,
|
|
ndpi_build_default_ports(ports_a, 853, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_FREE_205,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "FREE_205", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_WIREGUARD,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "WireGuard", NDPI_PROTOCOL_CATEGORY_VPN,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 51820, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_PPSTREAM,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "PPStream", NDPI_PROTOCOL_CATEGORY_VIDEO,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_XBOX,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Xbox", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 3074, 3076, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 3074, 3076, 500, 3544, 4500) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_PLAYSTATION,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Playstation", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 1935, 3478, 3479, 3480, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 3478, 3479, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_QQ,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "QQ", NDPI_PROTOCOL_CATEGORY_CHAT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_RTSP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "RTSP", NDPI_PROTOCOL_CATEGORY_MEDIA,
|
|
ndpi_build_default_ports(ports_a, 554, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 554, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_ICECAST,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "IceCast", NDPI_PROTOCOL_CATEGORY_MEDIA,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_PPLIVE,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "PPLive", NDPI_PROTOCOL_CATEGORY_MEDIA,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_PPSTREAM,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "PPStream", NDPI_PROTOCOL_CATEGORY_MEDIA,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_ZATTOO,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Zattoo", NDPI_PROTOCOL_CATEGORY_VIDEO,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_SHOUTCAST,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "ShoutCast", NDPI_PROTOCOL_CATEGORY_MUSIC,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_SOPCAST,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Sopcast", NDPI_PROTOCOL_CATEGORY_VIDEO,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_TVANTS,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Tvants", NDPI_PROTOCOL_CATEGORY_VIDEO,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_TVUPLAYER,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "TVUplayer", NDPI_PROTOCOL_CATEGORY_VIDEO,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_HTTP_DOWNLOAD,
|
|
1 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "HTTP_Download", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_QQLIVE,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "QQLive", NDPI_PROTOCOL_CATEGORY_VIDEO,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_THUNDER,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Thunder", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_SOULSEEK,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Soulseek", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_PS_VUE,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "PS_VUE", NDPI_PROTOCOL_CATEGORY_VIDEO,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_UNSAFE, NDPI_PROTOCOL_IRC,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "IRC", NDPI_PROTOCOL_CATEGORY_CHAT,
|
|
ndpi_build_default_ports(ports_a, 194, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 194, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_AYIYA,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Ayiya", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 5072, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_UNENCRYPTED_JABBER,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Unencrypted_Jabber", NDPI_PROTOCOL_CATEGORY_WEB,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_OSCAR,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Oscar", NDPI_PROTOCOL_CATEGORY_CHAT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_BATTLEFIELD,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "BattleField", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_IP_VRRP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "VRRP", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_STEAM,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Steam", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_HALFLIFE2,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "HalfLife2", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_WORLDOFWARCRAFT,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "WorldOfWarcraft", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_POTENTIALLY_DANGEROUS, NDPI_PROTOCOL_HOTSPOT_SHIELD,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "HotspotShield", NDPI_PROTOCOL_CATEGORY_VPN,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_UNSAFE, NDPI_PROTOCOL_TELNET,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Telnet", NDPI_PROTOCOL_CATEGORY_REMOTE_ACCESS,
|
|
ndpi_build_default_ports(ports_a, 23, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
|
|
custom_master[0] = NDPI_PROTOCOL_SIP, custom_master[1] = NDPI_PROTOCOL_H323;
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_STUN,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
custom_master, "STUN", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 3478, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_SAFE, NDPI_PROTOCOL_IP_IPSEC,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "IPsec", NDPI_PROTOCOL_CATEGORY_VPN,
|
|
ndpi_build_default_ports(ports_a, 500, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 500, 4500, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_IP_GRE,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "GRE", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_IP_ICMP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "ICMP", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_IP_IGMP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "IGMP", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_IP_EGP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "EGP", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_IP_SCTP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "SCTP", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_IP_OSPF,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "OSPF", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 2604, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_IP_IP_IN_IP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "IP_in_IP", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_RTP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "RTP", NDPI_PROTOCOL_CATEGORY_MEDIA,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_RDP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "RDP", NDPI_PROTOCOL_CATEGORY_REMOTE_ACCESS,
|
|
ndpi_build_default_ports(ports_a, 3389, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 3389, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_VNC,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "VNC", NDPI_PROTOCOL_CATEGORY_REMOTE_ACCESS,
|
|
ndpi_build_default_ports(ports_a, 5900, 5901, 5800, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_PCANYWHERE,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "PcAnywhere", NDPI_PROTOCOL_CATEGORY_REMOTE_ACCESS,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_ZOOM,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Zoom", NDPI_PROTOCOL_CATEGORY_VIDEO,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_WHATSAPP_FILES,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "WhatsAppFiles", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_WHATSAPP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "WhatsApp", NDPI_PROTOCOL_CATEGORY_CHAT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_SAFE, NDPI_PROTOCOL_TLS,
|
|
1 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "TLS", NDPI_PROTOCOL_CATEGORY_WEB,
|
|
ndpi_build_default_ports(ports_a, 443, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SSH,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "SSH", NDPI_PROTOCOL_CATEGORY_REMOTE_ACCESS,
|
|
ndpi_build_default_ports(ports_a, 22, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_USENET,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Usenet", NDPI_PROTOCOL_CATEGORY_WEB,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_MGCP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "MGCP", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_IAX,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "IAX", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 4569, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 4569, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_AFP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "AFP", NDPI_PROTOCOL_CATEGORY_DATA_TRANSFER,
|
|
ndpi_build_default_ports(ports_a, 548, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 548, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_HULU,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Hulu", NDPI_PROTOCOL_CATEGORY_STREAMING,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_CHECKMK,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "CHECKMK", NDPI_PROTOCOL_CATEGORY_DATA_TRANSFER,
|
|
ndpi_build_default_ports(ports_a, 6556, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_POTENTIALLY_DANGEROUS, NDPI_PROTOCOL_STEALTHNET,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Stealthnet", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_AIMINI,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Aimini", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SIP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "SIP", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 5060, 5061, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 5060, 5061, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_TRUPHONE,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "TruPhone", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_IP_ICMPV6,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "ICMPV6", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_DHCPV6,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "DHCPV6", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_ARMAGETRON,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Armagetron", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_CROSSFIRE,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Crossfire", NDPI_PROTOCOL_CATEGORY_RPC,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_DOFUS,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Dofus", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_FIESTA,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Fiesta", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_FLORENSIA,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Florensia", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_GUILDWARS,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Guildwars", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_HTTP_ACTIVESYNC,
|
|
1 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "HTTP_ActiveSync", NDPI_PROTOCOL_CATEGORY_CLOUD,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_KERBEROS,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Kerberos", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 88, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 88, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_LDAP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "LDAP", NDPI_PROTOCOL_CATEGORY_SYSTEM_OS,
|
|
ndpi_build_default_ports(ports_a, 389, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 389, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_MAPLESTORY,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "MapleStory", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_MSSQL_TDS,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "MsSQL-TDS", NDPI_PROTOCOL_CATEGORY_DATABASE,
|
|
ndpi_build_default_ports(ports_a, 1433, 1434, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_PPTP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "PPTP", NDPI_PROTOCOL_CATEGORY_VPN,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_WARCRAFT3,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Warcraft3", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_WORLD_OF_KUNG_FU,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "WorldOfKungFu", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_DCERPC,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "DCE_RPC", NDPI_PROTOCOL_CATEGORY_RPC,
|
|
ndpi_build_default_ports(ports_a, 135, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_NETFLOW,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "NetFlow", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 2055, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SFLOW,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "sFlow", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 6343, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_HTTP_CONNECT,
|
|
1 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "HTTP_Connect", NDPI_PROTOCOL_CATEGORY_WEB,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_HTTP_PROXY,
|
|
1 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "HTTP_Proxy", NDPI_PROTOCOL_CATEGORY_WEB,
|
|
ndpi_build_default_ports(ports_a, 8080, 3128, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_CITRIX,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Citrix", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 1494, 2598, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_WEBEX,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Webex", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_RADIUS,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Radius", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 1812, 1813, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 1812, 1813, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_TEAMVIEWER,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "TeamViewer", NDPI_PROTOCOL_CATEGORY_REMOTE_ACCESS,
|
|
ndpi_build_default_ports(ports_a, 5938, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 5938, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_LOTUS_NOTES,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "LotusNotes", NDPI_PROTOCOL_CATEGORY_COLLABORATIVE,
|
|
ndpi_build_default_ports(ports_a, 1352, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SAP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "SAP", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 3201, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */); /* Missing dissector: port based only */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_GTP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "GTP", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 2152, 2123, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_UPNP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "UPnP", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 1780, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 1900, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_TELEGRAM,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Telegram", NDPI_PROTOCOL_CATEGORY_CHAT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_QUIC,
|
|
1 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "QUIC", NDPI_PROTOCOL_CATEGORY_WEB,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 443, 80, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_DIAMETER,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Diameter", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 3868, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_APPLE_PUSH,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "ApplePush", NDPI_PROTOCOL_CATEGORY_CLOUD,
|
|
ndpi_build_default_ports(ports_a, 1, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_DROPBOX,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Dropbox", NDPI_PROTOCOL_CATEGORY_CLOUD,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 17500, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SPOTIFY,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Spotify", NDPI_PROTOCOL_CATEGORY_MUSIC,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_MESSENGER,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Messenger", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_LISP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "LISP", NDPI_PROTOCOL_CATEGORY_CLOUD,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 4342, 4341, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_EAQ,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "EAQ", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 6000, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_KAKAOTALK_VOICE,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "KakaoTalk_Voice", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_MPEGTS,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "MPEG_TS", NDPI_PROTOCOL_CATEGORY_MEDIA,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
/* http://en.wikipedia.org/wiki/Link-local_Multicast_Name_Resolution */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_LLMNR,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "LLMNR", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 5355, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 5355, 0, 0, 0, 0) /* UDP */); /* Missing dissector: port based only */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_POTENTIALLY_DANGEROUS, NDPI_PROTOCOL_REMOTE_SCAN,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "RemoteScan", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 6077, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 6078, 0, 0, 0, 0) /* UDP */); /* Missing dissector: port based only */
|
|
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_H323,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master,"H323", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 1719, 1720, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 1719, 1720, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_OPENVPN,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "OpenVPN", NDPI_PROTOCOL_CATEGORY_VPN,
|
|
ndpi_build_default_ports(ports_a, 1194, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 1194, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_NOE,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "NOE", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_CISCOVPN,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "CiscoVPN", NDPI_PROTOCOL_CATEGORY_VPN,
|
|
ndpi_build_default_ports(ports_a, 10000, 8008, 8009, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 10000, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_TEAMSPEAK,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "TeamSpeak", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SKINNY,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "CiscoSkinny", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 2000, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_RTCP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "RTCP", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_RSYNC,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "RSYNC", NDPI_PROTOCOL_CATEGORY_DATA_TRANSFER,
|
|
ndpi_build_default_ports(ports_a, 873, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_ORACLE,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Oracle", NDPI_PROTOCOL_CATEGORY_DATABASE,
|
|
ndpi_build_default_ports(ports_a, 1521, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_CORBA,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Corba", NDPI_PROTOCOL_CATEGORY_RPC,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_UBUNTUONE,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "UbuntuONE", NDPI_PROTOCOL_CATEGORY_CLOUD,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_WHOIS_DAS,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Whois-DAS", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 43, 4343, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_COLLECTD,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Collectd", NDPI_PROTOCOL_CATEGORY_SYSTEM_OS,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 25826, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SOCKS,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "SOCKS", NDPI_PROTOCOL_CATEGORY_WEB,
|
|
ndpi_build_default_ports(ports_a, 1080, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 1080, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_TFTP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "TFTP", NDPI_PROTOCOL_CATEGORY_DATA_TRANSFER,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 69, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_RTMP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "RTMP", NDPI_PROTOCOL_CATEGORY_MEDIA,
|
|
ndpi_build_default_ports(ports_a, 1935, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_PANDO,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Pando_Media_Booster", NDPI_PROTOCOL_CATEGORY_WEB,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_MEGACO,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Megaco", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 2944 , 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_REDIS,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Redis", NDPI_PROTOCOL_CATEGORY_DATABASE,
|
|
ndpi_build_default_ports(ports_a, 6379, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 0 , 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_ZMQ,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "ZeroMQ", NDPI_PROTOCOL_CATEGORY_RPC,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 0 , 0, 0, 0, 0) ); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_VHUA,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "VHUA", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 58267, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_STARCRAFT,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Starcraft", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 1119, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 1119, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_SAFE, NDPI_PROTOCOL_UBNTAC2,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "UBNTAC2", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 10001, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_VIBER,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Viber", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 7985, 5242, 5243, 4244, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 7985, 7987, 5242, 5243, 4244)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_SAFE, NDPI_PROTOCOL_COAP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "COAP", NDPI_PROTOCOL_CATEGORY_RPC,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 5683, 5684, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_MQTT,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "MQTT", NDPI_PROTOCOL_CATEGORY_RPC,
|
|
ndpi_build_default_ports(ports_a, 1883, 8883, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SOMEIP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "SOMEIP", NDPI_PROTOCOL_CATEGORY_RPC,
|
|
ndpi_build_default_ports(ports_a, 30491, 30501, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 30491, 30501, 30490, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_RX,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "RX", NDPI_PROTOCOL_CATEGORY_RPC,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_SAFE, NDPI_PROTOCOL_GIT,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Git", NDPI_PROTOCOL_CATEGORY_COLLABORATIVE,
|
|
ndpi_build_default_ports(ports_a, 9418, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_DRDA,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "DRDA", NDPI_PROTOCOL_CATEGORY_DATABASE,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_HANGOUT_DUO,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "GoogleHangoutDuo", NDPI_PROTOCOL_CATEGORY_VOIP,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_BJNP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "BJNP", NDPI_PROTOCOL_CATEGORY_SYSTEM_OS,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 8612, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_SMPP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "SMPP", NDPI_PROTOCOL_CATEGORY_DOWNLOAD_FT,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_SAFE, NDPI_PROTOCOL_OOKLA,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Ookla", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_AMQP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "AMQP", NDPI_PROTOCOL_CATEGORY_RPC,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_SAFE, NDPI_PROTOCOL_DNSCRYPT,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "DNScrypt", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0), /* TCP */
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0)); /* UDP */
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_TINC,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "TINC", NDPI_PROTOCOL_CATEGORY_VPN,
|
|
ndpi_build_default_ports(ports_a, 655, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 655, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_SAFE, NDPI_PROTOCOL_FIX,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "FIX", NDPI_PROTOCOL_CATEGORY_RPC,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_NINTENDO,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Nintendo", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_CSGO,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "CSGO", NDPI_PROTOCOL_CATEGORY_GAME,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_AJP,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "AJP", NDPI_PROTOCOL_CATEGORY_WEB,
|
|
ndpi_build_default_ports(ports_a, 8009, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_TARGUS_GETDATA,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "Targus Dataspeed", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 5001, 5201, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 5001, 5201, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_AMAZON_VIDEO,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master, "AmazonVideo", NDPI_PROTOCOL_CATEGORY_CLOUD,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_DNP3,
|
|
1 /* no subprotocol */, no_master,
|
|
no_master, "DNP3", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 20000, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_104,
|
|
1 /* no subprotocol */, no_master,
|
|
no_master, "104", NDPI_PROTOCOL_CATEGORY_NETWORK, /* Perhaps IoT in the future */
|
|
ndpi_build_default_ports(ports_a, 2404, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_BLOOMBERG,
|
|
1 /* no subprotocol */, no_master,
|
|
no_master, "Bloomberg", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_CAPWAP,
|
|
1 /* no subprotocol */, no_master,
|
|
no_master, "CAPWAP", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 5246, 5247, 0, 0, 0) /* UDP */
|
|
);
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_ZABBIX,
|
|
1 /* no subprotocol */, no_master,
|
|
no_master, "Zabbix", NDPI_PROTOCOL_CATEGORY_NETWORK,
|
|
ndpi_build_default_ports(ports_a, 10050, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */
|
|
);
|
|
|
|
#ifdef CUSTOM_NDPI_PROTOCOLS
|
|
#include "../../../nDPI-custom/custom_ndpi_main.c"
|
|
#endif
|
|
|
|
/* calling function for host and content matched protocols */
|
|
init_string_based_protocols(ndpi_str);
|
|
|
|
ndpi_validate_protocol_initialization(ndpi_str);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
#ifdef CUSTOM_NDPI_PROTOCOLS
|
|
#include "../../../nDPI-custom/custom_ndpi_protocols.c"
|
|
#endif
|
|
|
|
/* ****************************************************** */
|
|
|
|
static int ac_match_handler(AC_MATCH_t *m, AC_TEXT_t *txt, AC_REP_t *match) {
|
|
int min_len = (txt->length < m->patterns->length) ? txt->length : m->patterns->length;
|
|
char buf[64] = { '\0' };
|
|
int min_buf_len = (txt->length > 63 /* sizeof(buf)-1 */) ? 63 : txt->length;
|
|
u_int buf_len = strlen(buf);
|
|
|
|
strncpy(buf, txt->astring, min_buf_len);
|
|
buf[min_buf_len] = '\0';
|
|
|
|
#ifdef MATCH_DEBUG
|
|
printf("Searching [to search: %s/%u][pattern: %s/%u] [len: %d][match_num: %u][%s]\n",
|
|
buf, (unigned int)txt->length, m->patterns->astring, m->patterns->length, min_len,
|
|
m->match_num, m->patterns->astring);
|
|
#endif
|
|
|
|
{
|
|
char *whatfound = strstr(buf, m->patterns->astring);
|
|
|
|
#ifdef MATCH_DEBUG
|
|
printf("[NDPI] %s() [searching=%s][pattern=%s][%s][%c]\n",
|
|
__FUNCTION__, buf, m->patterns->astring,
|
|
whatfound ? whatfound : "<NULL>",
|
|
whatfound[-1]);
|
|
#endif
|
|
|
|
/*
|
|
The patch below allows in case of pattern ws.amazon.com
|
|
to avoid matching aws.amazon.com whereas a.ws.amazon.com
|
|
has to match
|
|
*/
|
|
if(whatfound
|
|
&& (whatfound != buf)
|
|
&& (m->patterns->astring[0] != '.') /* The searched pattern does not start with . */
|
|
&& strchr(m->patterns->astring, '.') /* The matched pattern has a . (e.g. numeric or sym IPs) */) {
|
|
if(whatfound[-1] != '.') {
|
|
return(0);
|
|
} else {
|
|
memcpy(match, &m->patterns[0].rep, sizeof(AC_REP_t)); /* Partial match? */
|
|
return(0); /* Keep searching as probably there is a better match */
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
Return 1 for stopping to the first match.
|
|
We might consider searching for the more
|
|
specific match, paying more cpu cycles.
|
|
*/
|
|
memcpy(match, &m->patterns[0].rep, sizeof(AC_REP_t));
|
|
|
|
if(((buf_len >= min_len) && (strncmp(&buf[buf_len-min_len], m->patterns->astring, min_len) == 0))
|
|
|| (strncmp(buf, m->patterns->astring, min_len) == 0) /* begins with */
|
|
) {
|
|
#ifdef MATCH_DEBUG
|
|
printf("Found match [%s][%s] [len: %d]"
|
|
// "[proto_id: %u]"
|
|
"\n",
|
|
buf, m->patterns->astring, min_len /* , *matching_protocol_id */);
|
|
#endif
|
|
return(1); /* If the pattern found matches the string at the beginning we stop here */
|
|
} else {
|
|
#ifdef MATCH_DEBUG
|
|
printf("NO match found: continue\n");
|
|
#endif
|
|
return(0); /* 0 to continue searching, !0 to stop */
|
|
}
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
static int fill_prefix_v4(prefix_t *p, const struct in_addr *a, int b, int mb) {
|
|
do {
|
|
if(b < 0 || b > mb)
|
|
return(-1);
|
|
|
|
memset(p, 0, sizeof(prefix_t));
|
|
memcpy(&p->add.sin, a, (mb+7)/8);
|
|
p->family = AF_INET;
|
|
p->bitlen = b;
|
|
p->ref_count = 0;
|
|
} while(0);
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ******************************************* */
|
|
|
|
static int fill_prefix_v6(prefix_t *prefix, const struct in6_addr *addr, int bits, int maxbits) {
|
|
if(bits < 0 || bits > maxbits)
|
|
return -1;
|
|
|
|
memcpy(&prefix->add.sin6, addr, (maxbits + 7) / 8);
|
|
prefix->family = AF_INET6, prefix->bitlen = bits, prefix->ref_count = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ******************************************* */
|
|
|
|
u_int16_t ndpi_network_ptree_match(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct in_addr *pin /* network byte order */) {
|
|
prefix_t prefix;
|
|
patricia_node_t *node;
|
|
|
|
/* Make sure all in network byte order otherwise compares wont work */
|
|
fill_prefix_v4(&prefix, pin, 32, ((patricia_tree_t*)ndpi_str->protocols_ptree)->maxbits);
|
|
node = ndpi_patricia_search_best(ndpi_str->protocols_ptree, &prefix);
|
|
|
|
return(node ? node->value.user_value : NDPI_PROTOCOL_UNKNOWN);
|
|
}
|
|
|
|
/* ******************************************* */
|
|
|
|
#if 0
|
|
static u_int8_t tor_ptree_match(struct ndpi_detection_module_struct *ndpi_str, struct in_addr *pin) {
|
|
return((ndpi_network_ptree_match(ndpi_str, pin) == NDPI_PROTOCOL_TOR) ? 1 : 0);
|
|
}
|
|
#endif
|
|
|
|
/* ******************************************* */
|
|
|
|
u_int8_t ndpi_is_tor_flow(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow) {
|
|
struct ndpi_packet_struct *packet = &flow->packet;
|
|
|
|
if(packet->tcp != NULL) {
|
|
if(packet->iph) {
|
|
if(flow->guessed_host_protocol_id == NDPI_PROTOCOL_TOR)
|
|
return(1);
|
|
}
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ******************************************* */
|
|
|
|
static patricia_node_t* add_to_ptree(patricia_tree_t *tree, int family,
|
|
void *addr, int bits) {
|
|
prefix_t prefix;
|
|
patricia_node_t *node;
|
|
|
|
fill_prefix_v4(&prefix, (struct in_addr*)addr, bits, tree->maxbits);
|
|
|
|
node = ndpi_patricia_lookup(tree, &prefix);
|
|
|
|
return(node);
|
|
}
|
|
|
|
/* ******************************************* */
|
|
|
|
/*
|
|
Load a file containing IPv4 addresses in CIDR format as 'protocol_id'
|
|
|
|
Return: the number of entries loaded or -1 in case of error
|
|
*/
|
|
int ndpi_load_ipv4_ptree(struct ndpi_detection_module_struct *ndpi_str,
|
|
const char *path, u_int16_t protocol_id) {
|
|
char buffer[128], *line, *addr, *cidr, *saveptr;
|
|
FILE *fd;
|
|
int len;
|
|
u_int num_loaded = 0;
|
|
|
|
fd = fopen(path, "r");
|
|
|
|
if(fd == NULL) {
|
|
NDPI_LOG_ERR(ndpi_str, "Unable to open file %s [%s]\n", path, strerror(errno));
|
|
return(-1);
|
|
}
|
|
|
|
while(fd) {
|
|
line = fgets(buffer, sizeof(buffer), fd);
|
|
|
|
if(line == NULL)
|
|
break;
|
|
|
|
len = strlen(line);
|
|
|
|
if((len <= 1) || (line[0] == '#'))
|
|
continue;
|
|
|
|
line[len-1] = '\0';
|
|
addr = strtok_r(line, "/", &saveptr);
|
|
|
|
if(addr) {
|
|
struct in_addr pin;
|
|
patricia_node_t *node;
|
|
|
|
cidr = strtok_r(NULL, "\n", &saveptr);
|
|
|
|
pin.s_addr = inet_addr(addr);
|
|
if((node = add_to_ptree(ndpi_str->protocols_ptree, AF_INET,
|
|
&pin, cidr ? atoi(cidr) : 32 /* bits */)) != NULL)
|
|
node->value.user_value = protocol_id, num_loaded++;
|
|
}
|
|
}
|
|
|
|
fclose(fd);
|
|
return(num_loaded);
|
|
}
|
|
|
|
|
|
/* ******************************************* */
|
|
|
|
static void ndpi_init_ptree_ipv4(struct ndpi_detection_module_struct *ndpi_str,
|
|
void *ptree, ndpi_network host_list[],
|
|
u_int8_t skip_tor_hosts) {
|
|
int i;
|
|
|
|
for(i=0; host_list[i].network != 0x0; i++) {
|
|
struct in_addr pin;
|
|
patricia_node_t *node;
|
|
|
|
if(skip_tor_hosts && (host_list[i].value == NDPI_PROTOCOL_TOR))
|
|
continue;
|
|
|
|
pin.s_addr = htonl(host_list[i].network);
|
|
if((node = add_to_ptree(ptree, AF_INET,
|
|
&pin, host_list[i].cidr /* bits */)) != NULL)
|
|
node->value.user_value = host_list[i].value;
|
|
}
|
|
}
|
|
|
|
/* ******************************************* */
|
|
|
|
static int ndpi_add_host_ip_subprotocol(struct ndpi_detection_module_struct *ndpi_str,
|
|
char *value, int protocol_id) {
|
|
|
|
patricia_node_t *node;
|
|
struct in_addr pin;
|
|
int bits = 32;
|
|
char *ptr = strrchr(value, '/');
|
|
|
|
if(ptr) {
|
|
ptr[0] = '\0';
|
|
ptr++;
|
|
if(atoi(ptr)>=0 && atoi(ptr)<=32)
|
|
bits = atoi(ptr);
|
|
}
|
|
|
|
inet_pton(AF_INET, value, &pin);
|
|
|
|
if((node = add_to_ptree(ndpi_str->protocols_ptree, AF_INET, &pin, bits)) != NULL)
|
|
node->value.user_value = protocol_id;
|
|
|
|
return(0);
|
|
}
|
|
|
|
void set_ndpi_malloc(void* (*__ndpi_malloc)(size_t size)) { _ndpi_malloc = __ndpi_malloc; }
|
|
void set_ndpi_flow_malloc(void* (*__ndpi_flow_malloc)(size_t size)) { _ndpi_flow_malloc = __ndpi_flow_malloc; }
|
|
|
|
void set_ndpi_free(void (*__ndpi_free)(void *ptr)) { _ndpi_free = __ndpi_free; }
|
|
void set_ndpi_flow_free(void (*__ndpi_flow_free)(void *ptr)) { _ndpi_flow_free = __ndpi_flow_free; }
|
|
|
|
void ndpi_debug_printf(unsigned int proto, struct ndpi_detection_module_struct *ndpi_str,
|
|
ndpi_log_level_t log_level, const char *file_name, const char *func_name, int line_number,
|
|
const char * format, ...)
|
|
{
|
|
#ifdef NDPI_ENABLE_DEBUG_MESSAGES
|
|
va_list args;
|
|
#define MAX_STR_LEN 250
|
|
char str[MAX_STR_LEN];
|
|
if(ndpi_str != NULL && log_level > NDPI_LOG_ERROR &&
|
|
proto > 0 && proto < NDPI_MAX_SUPPORTED_PROTOCOLS &&
|
|
!NDPI_ISSET(&ndpi_str->debug_bitmask,proto)) return;
|
|
va_start(args, format);
|
|
vsnprintf(str,sizeof(str)-1, format, args);
|
|
va_end(args);
|
|
|
|
if(ndpi_str != NULL) {
|
|
printf("%s:%s:%-3d - [%s]: %s",
|
|
file_name, func_name, line_number, ndpi_get_proto_name(ndpi_str, proto), str);
|
|
} else {
|
|
printf("Proto: %u, %s", proto, str);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void set_ndpi_debug_function(struct ndpi_detection_module_struct *ndpi_str, ndpi_debug_function_ptr ndpi_debug_printf) {
|
|
#ifdef NDPI_ENABLE_DEBUG_MESSAGES
|
|
ndpi_str->ndpi_debug_printf = ndpi_debug_printf;
|
|
#endif
|
|
}
|
|
|
|
/* ****************************************** */
|
|
|
|
/* Keep it in order and in sync with ndpi_protocol_category_t in ndpi_typedefs.h */
|
|
static const char* categories[] = {
|
|
"Unspecified",
|
|
"Media",
|
|
"VPN",
|
|
"Email",
|
|
"DataTransfer",
|
|
"Web",
|
|
"SocialNetwork",
|
|
"Download-FileTransfer-FileSharing",
|
|
"Game",
|
|
"Chat",
|
|
"VoIP",
|
|
"Database",
|
|
"RemoteAccess",
|
|
"Cloud",
|
|
"Network",
|
|
"Collaborative",
|
|
"RPC",
|
|
"Streaming",
|
|
"System",
|
|
"SoftwareUpdate",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"Music",
|
|
"Video",
|
|
"Shopping",
|
|
"Productivity",
|
|
"FileSharing",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"",
|
|
"Mining", /* 99 */
|
|
"Malware",
|
|
"Advertisement",
|
|
"Banned_Site",
|
|
"Site_Unavailable",
|
|
"Allowed_Site",
|
|
"Antimalware",
|
|
};
|
|
|
|
/* ******************************************************************** */
|
|
|
|
struct ndpi_detection_module_struct *ndpi_init_detection_module(ndpi_init_prefs prefs) {
|
|
struct ndpi_detection_module_struct *ndpi_str = ndpi_malloc(sizeof(struct ndpi_detection_module_struct));
|
|
int i;
|
|
|
|
if(ndpi_str == NULL) {
|
|
#ifdef NDPI_ENABLE_DEBUG_MESSAGES
|
|
NDPI_LOG_ERR(ndpi_str, "ndpi_init_detection_module initial malloc failed for ndpi_str\n");
|
|
#endif /* NDPI_ENABLE_DEBUG_MESSAGES */
|
|
return(NULL);
|
|
}
|
|
|
|
memset(ndpi_str, 0, sizeof(struct ndpi_detection_module_struct));
|
|
|
|
#ifdef NDPI_ENABLE_DEBUG_MESSAGES
|
|
set_ndpi_debug_function(ndpi_str, (ndpi_debug_function_ptr)ndpi_debug_printf);
|
|
#endif /* NDPI_ENABLE_DEBUG_MESSAGES */
|
|
|
|
if((ndpi_str->protocols_ptree = ndpi_New_Patricia(32 /* IPv4 */)) != NULL)
|
|
ndpi_init_ptree_ipv4(ndpi_str, ndpi_str->protocols_ptree,
|
|
host_protocol_list,
|
|
prefs & ndpi_dont_load_tor_hosts);
|
|
|
|
NDPI_BITMASK_RESET(ndpi_str->detection_bitmask);
|
|
#ifdef NDPI_ENABLE_DEBUG_MESSAGES
|
|
ndpi_str->user_data = NULL;
|
|
#endif
|
|
|
|
ndpi_str->ticks_per_second = 1000; /* ndpi_str->ticks_per_second */
|
|
ndpi_str->tcp_max_retransmission_window_size = NDPI_DEFAULT_MAX_TCP_RETRANSMISSION_WINDOW_SIZE;
|
|
ndpi_str->directconnect_connection_ip_tick_timeout =
|
|
NDPI_DIRECTCONNECT_CONNECTION_IP_TICK_TIMEOUT * ndpi_str->ticks_per_second;
|
|
|
|
ndpi_str->rtsp_connection_timeout = NDPI_RTSP_CONNECTION_TIMEOUT * ndpi_str->ticks_per_second;
|
|
ndpi_str->tvants_connection_timeout = NDPI_TVANTS_CONNECTION_TIMEOUT * ndpi_str->ticks_per_second;
|
|
ndpi_str->irc_timeout = NDPI_IRC_CONNECTION_TIMEOUT * ndpi_str->ticks_per_second;
|
|
ndpi_str->gnutella_timeout = NDPI_GNUTELLA_CONNECTION_TIMEOUT * ndpi_str->ticks_per_second;
|
|
|
|
ndpi_str->battlefield_timeout = NDPI_BATTLEFIELD_CONNECTION_TIMEOUT * ndpi_str->ticks_per_second;
|
|
|
|
ndpi_str->thunder_timeout = NDPI_THUNDER_CONNECTION_TIMEOUT * ndpi_str->ticks_per_second;
|
|
ndpi_str->yahoo_detect_http_connections = NDPI_YAHOO_DETECT_HTTP_CONNECTIONS;
|
|
|
|
ndpi_str->yahoo_lan_video_timeout = NDPI_YAHOO_LAN_VIDEO_TIMEOUT * ndpi_str->ticks_per_second;
|
|
ndpi_str->zattoo_connection_timeout = NDPI_ZATTOO_CONNECTION_TIMEOUT * ndpi_str->ticks_per_second;
|
|
ndpi_str->jabber_stun_timeout = NDPI_JABBER_STUN_TIMEOUT * ndpi_str->ticks_per_second;
|
|
ndpi_str->jabber_file_transfer_timeout = NDPI_JABBER_FT_TIMEOUT * ndpi_str->ticks_per_second;
|
|
ndpi_str->soulseek_connection_ip_tick_timeout = NDPI_SOULSEEK_CONNECTION_IP_TICK_TIMEOUT * ndpi_str->ticks_per_second;
|
|
|
|
ndpi_str->ndpi_num_supported_protocols = NDPI_MAX_SUPPORTED_PROTOCOLS;
|
|
ndpi_str->ndpi_num_custom_protocols = 0;
|
|
|
|
ndpi_str->host_automa.ac_automa = ac_automata_init(ac_match_handler);
|
|
ndpi_str->content_automa.ac_automa = ac_automata_init(ac_match_handler);
|
|
ndpi_str->bigrams_automa.ac_automa = ac_automata_init(ac_match_handler);
|
|
ndpi_str->impossible_bigrams_automa.ac_automa = ac_automata_init(ac_match_handler);
|
|
|
|
if((sizeof(categories)/sizeof(char*)) != NDPI_PROTOCOL_NUM_CATEGORIES) {
|
|
NDPI_LOG_ERR(ndpi_str, "[NDPI] invalid categories length: expected %u, got %u\n",
|
|
NDPI_PROTOCOL_NUM_CATEGORIES, (unsigned int)(sizeof(categories)/sizeof(char*)));
|
|
return(NULL);
|
|
}
|
|
|
|
#ifdef HAVE_HYPERSCAN
|
|
ndpi_str->custom_categories.num_to_load = 0, ndpi_str->custom_categories.to_load = NULL;
|
|
ndpi_str->custom_categories.hostnames = NULL;
|
|
#else
|
|
ndpi_str->custom_categories.hostnames.ac_automa = ac_automata_init(ac_match_handler);
|
|
ndpi_str->custom_categories.hostnames_shadow.ac_automa = ac_automata_init(ac_match_handler);
|
|
#endif
|
|
|
|
ndpi_str->custom_categories.ipAddresses = ndpi_New_Patricia(32 /* IPv4 */);
|
|
ndpi_str->custom_categories.ipAddresses_shadow = ndpi_New_Patricia(32 /* IPv4 */);
|
|
|
|
if((ndpi_str->custom_categories.ipAddresses == NULL)
|
|
|| (ndpi_str->custom_categories.ipAddresses_shadow == NULL))
|
|
return(NULL);
|
|
|
|
ndpi_init_protocol_defaults(ndpi_str);
|
|
|
|
for(i=0; i<NUM_CUSTOM_CATEGORIES; i++)
|
|
snprintf(ndpi_str->custom_category_labels[i],
|
|
CUSTOM_CATEGORY_LABEL_LEN, "User custom category %u", (unsigned int)(i+1));
|
|
|
|
return(ndpi_str);
|
|
}
|
|
|
|
/* *********************************************** */
|
|
|
|
void ndpi_finalize_initalization(struct ndpi_detection_module_struct *ndpi_str) {
|
|
u_int i;
|
|
|
|
for(i=0; i<4; i++) {
|
|
ndpi_automa *automa;
|
|
|
|
switch(i) {
|
|
case 0:
|
|
automa = &ndpi_str->host_automa;
|
|
break;
|
|
|
|
case 1:
|
|
automa = &ndpi_str->content_automa;
|
|
break;
|
|
|
|
case 2:
|
|
automa = &ndpi_str->bigrams_automa;
|
|
break;
|
|
|
|
case 3:
|
|
automa = &ndpi_str->impossible_bigrams_automa;
|
|
break;
|
|
}
|
|
|
|
ac_automata_finalize((AC_AUTOMATA_t*)automa->ac_automa);
|
|
automa->ac_automa_finalized = 1;
|
|
}
|
|
}
|
|
|
|
/* *********************************************** */
|
|
|
|
/* Wrappers */
|
|
void* ndpi_init_automa(void) {
|
|
return(ac_automata_init(ac_match_handler));
|
|
}
|
|
|
|
int ndpi_add_string_value_to_automa(void *_automa, char *str, unsigned long num) {
|
|
AC_PATTERN_t ac_pattern;
|
|
AC_AUTOMATA_t *automa = (AC_AUTOMATA_t*)_automa;
|
|
|
|
if(automa == NULL) return(-1);
|
|
|
|
memset(&ac_pattern, 0, sizeof(ac_pattern));
|
|
ac_pattern.astring = str;
|
|
ac_pattern.rep.number = num;
|
|
ac_pattern.length = strlen(ac_pattern.astring);
|
|
return(ac_automata_add(automa, &ac_pattern) == ACERR_SUCCESS ? 0 : -1);
|
|
}
|
|
|
|
int ndpi_add_string_to_automa(void *_automa, char *str) {
|
|
return(ndpi_add_string_value_to_automa(_automa, str, 1));
|
|
}
|
|
|
|
void ndpi_free_automa(void *_automa) { ac_automata_release((AC_AUTOMATA_t*)_automa, 0); }
|
|
void ndpi_finalize_automa(void *_automa) { ac_automata_finalize((AC_AUTOMATA_t*)_automa); }
|
|
|
|
/* ****************************************************** */
|
|
|
|
int ndpi_match_string(void *_automa, char *string_to_match) {
|
|
AC_REP_t match = { NDPI_PROTOCOL_UNKNOWN, NDPI_PROTOCOL_CATEGORY_UNSPECIFIED, NDPI_PROTOCOL_UNRATED };
|
|
AC_TEXT_t ac_input_text;
|
|
AC_AUTOMATA_t *automa = (AC_AUTOMATA_t*)_automa;
|
|
int rc;
|
|
|
|
if((automa == NULL)
|
|
|| (string_to_match == NULL)
|
|
|| (string_to_match[0] == '\0'))
|
|
return(-2);
|
|
|
|
ac_input_text.astring = string_to_match, ac_input_text.length = strlen(string_to_match);
|
|
rc = ac_automata_search(automa, &ac_input_text, &match);
|
|
|
|
/*
|
|
As ac_automata_search can detect partial matches and continue the search process
|
|
in case rc == 0 (i.e. no match), we need to check if there is a partial match
|
|
and in this case return it
|
|
*/
|
|
if((rc == 0) && (match.number != 0)) rc = 1;
|
|
|
|
return(rc ? match.number : 0);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
int ndpi_match_string_id(void *_automa, char *string_to_match, u_int match_len, unsigned long *id) {
|
|
AC_TEXT_t ac_input_text;
|
|
AC_AUTOMATA_t *automa = (AC_AUTOMATA_t*)_automa;
|
|
AC_REP_t match = { NDPI_PROTOCOL_UNKNOWN, NDPI_PROTOCOL_CATEGORY_UNSPECIFIED, NDPI_PROTOCOL_UNRATED };
|
|
int rc;
|
|
|
|
*id = -1;
|
|
if((automa == NULL)
|
|
|| (string_to_match == NULL)
|
|
|| (string_to_match[0] == '\0'))
|
|
return(-2);
|
|
|
|
ac_input_text.astring = string_to_match, ac_input_text.length = match_len;
|
|
rc = ac_automata_search(automa, &ac_input_text, &match);
|
|
|
|
/*
|
|
As ac_automata_search can detect partial matches and continue the search process
|
|
in case rc == 0 (i.e. no match), we need to check if there is a partial match
|
|
and in this case return it
|
|
*/
|
|
if((rc == 0) && (match.number != 0)) rc = 1;
|
|
|
|
*id = rc ? match.number : NDPI_PROTOCOL_UNKNOWN;
|
|
|
|
return(*id != NDPI_PROTOCOL_UNKNOWN ? 0 : -1);
|
|
}
|
|
|
|
/* *********************************************** */
|
|
|
|
#ifdef HAVE_HYPERSCAN
|
|
|
|
static int hyperscanCustomEventHandler(unsigned int id,
|
|
unsigned long long from,
|
|
unsigned long long to,
|
|
unsigned int flags, void *ctx) {
|
|
*((unsigned long *)ctx) = (unsigned long)id;
|
|
|
|
#ifdef DEBUG
|
|
printf("[HS] Found category %u\n", id);
|
|
#endif
|
|
|
|
return(HS_SCAN_TERMINATED);
|
|
}
|
|
#endif
|
|
|
|
/* *********************************************** */
|
|
|
|
int ndpi_match_custom_category(struct ndpi_detection_module_struct *ndpi_str,
|
|
char *name, u_int name_len, unsigned long *id) {
|
|
#ifdef HAVE_HYPERSCAN
|
|
if(ndpi_str->custom_categories.hostnames == NULL)
|
|
return(-1);
|
|
else {
|
|
hs_error_t rc;
|
|
|
|
*id = (unsigned long)-1;
|
|
|
|
rc = hs_scan(ndpi_str->custom_categories.hostnames->database,
|
|
name, name_len, 0,
|
|
ndpi_str->custom_categories.hostnames->scratch,
|
|
hyperscanCustomEventHandler, id);
|
|
|
|
if(rc == HS_SCAN_TERMINATED) {
|
|
#ifdef DEBUG
|
|
printf("[HS] Found category %lu for %s\n", *id, name);
|
|
#endif
|
|
return(0);
|
|
} else
|
|
return(-1);
|
|
}
|
|
#else
|
|
return(ndpi_match_string_id(ndpi_str->custom_categories.hostnames.ac_automa, name, name_len, id));
|
|
#endif
|
|
}
|
|
|
|
/* *********************************************** */
|
|
|
|
int ndpi_get_custom_category_match(struct ndpi_detection_module_struct *ndpi_str,
|
|
char *name_or_ip, u_int name_len, unsigned long *id) {
|
|
char ipbuf[64], *ptr;
|
|
struct in_addr pin;
|
|
u_int cp_len = ndpi_min(sizeof(ipbuf)-1, name_len);
|
|
|
|
if(!ndpi_str->custom_categories.categories_loaded)
|
|
return(-1);
|
|
|
|
if(cp_len > 0) {
|
|
memcpy(ipbuf, name_or_ip, cp_len);
|
|
ipbuf[cp_len] = '\0';
|
|
} else
|
|
ipbuf[0] = '\0';
|
|
|
|
ptr = strrchr(ipbuf, '/');
|
|
|
|
if(ptr)
|
|
ptr[0] = '\0';
|
|
|
|
if(inet_pton(AF_INET, ipbuf, &pin) == 1) {
|
|
/* Search IP */
|
|
prefix_t prefix;
|
|
patricia_node_t *node;
|
|
|
|
/* Make sure all in network byte order otherwise compares wont work */
|
|
fill_prefix_v4(&prefix, &pin, 32, ((patricia_tree_t*)ndpi_str->protocols_ptree)->maxbits);
|
|
node = ndpi_patricia_search_best(ndpi_str->custom_categories.ipAddresses, &prefix);
|
|
|
|
if(node) {
|
|
*id = node->value.user_value;
|
|
return(0);
|
|
}
|
|
|
|
return(-1);
|
|
} else
|
|
/* Search Host */
|
|
return(ndpi_match_custom_category(ndpi_str, name_or_ip, name_len, id));
|
|
}
|
|
|
|
/* *********************************************** */
|
|
|
|
static void free_ptree_data(void *data) { ; }
|
|
|
|
/* ****************************************************** */
|
|
|
|
void ndpi_exit_detection_module(struct ndpi_detection_module_struct *ndpi_str) {
|
|
if(ndpi_str != NULL) {
|
|
int i;
|
|
|
|
for(i=0; i<(int)ndpi_str->ndpi_num_supported_protocols; i++) {
|
|
if(ndpi_str->proto_defaults[i].protoName)
|
|
ndpi_free(ndpi_str->proto_defaults[i].protoName);
|
|
}
|
|
|
|
/* NDPI_PROTOCOL_TINC */
|
|
if(ndpi_str->tinc_cache)
|
|
cache_free((cache_t)(ndpi_str->tinc_cache));
|
|
|
|
if(ndpi_str->ookla_cache)
|
|
ndpi_lru_free_cache(ndpi_str->ookla_cache);
|
|
|
|
if(ndpi_str->stun_cache)
|
|
ndpi_lru_free_cache(ndpi_str->stun_cache);
|
|
|
|
if(ndpi_str->protocols_ptree)
|
|
ndpi_Destroy_Patricia((patricia_tree_t*)ndpi_str->protocols_ptree, free_ptree_data);
|
|
|
|
if(ndpi_str->udpRoot != NULL)
|
|
ndpi_tdestroy(ndpi_str->udpRoot, ndpi_free);
|
|
if(ndpi_str->tcpRoot != NULL)
|
|
ndpi_tdestroy(ndpi_str->tcpRoot, ndpi_free);
|
|
|
|
if(ndpi_str->host_automa.ac_automa != NULL)
|
|
ac_automata_release((AC_AUTOMATA_t*)ndpi_str->host_automa.ac_automa, 1 /* free patterns strings memory */);
|
|
|
|
if(ndpi_str->content_automa.ac_automa != NULL)
|
|
ac_automata_release((AC_AUTOMATA_t*)ndpi_str->content_automa.ac_automa, 0);
|
|
|
|
if(ndpi_str->bigrams_automa.ac_automa != NULL)
|
|
ac_automata_release((AC_AUTOMATA_t*)ndpi_str->bigrams_automa.ac_automa, 0);
|
|
|
|
if(ndpi_str->impossible_bigrams_automa.ac_automa != NULL)
|
|
ac_automata_release((AC_AUTOMATA_t*)ndpi_str->impossible_bigrams_automa.ac_automa, 0);
|
|
|
|
#ifdef HAVE_HYPERSCAN
|
|
destroy_hyperscan(ndpi_str);
|
|
|
|
while(ndpi_str->custom_categories.to_load != NULL) {
|
|
struct hs_list *next = ndpi_str->custom_categories.to_load->next;
|
|
|
|
ndpi_free(ndpi_str->custom_categories.to_load->expression);
|
|
ndpi_free(ndpi_str->custom_categories.to_load);
|
|
ndpi_str->custom_categories.to_load = next;
|
|
}
|
|
|
|
free_hyperscan_memory(ndpi_str->custom_categories.hostnames);
|
|
#else
|
|
if(ndpi_str->custom_categories.hostnames.ac_automa != NULL)
|
|
ac_automata_release((AC_AUTOMATA_t*)ndpi_str->custom_categories.hostnames.ac_automa, 1 /* free patterns strings memory */);
|
|
|
|
if(ndpi_str->custom_categories.hostnames_shadow.ac_automa != NULL)
|
|
ac_automata_release((AC_AUTOMATA_t*)ndpi_str->custom_categories.hostnames_shadow.ac_automa, 1 /* free patterns strings memory */);
|
|
#endif
|
|
|
|
if(ndpi_str->custom_categories.ipAddresses != NULL)
|
|
ndpi_Destroy_Patricia((patricia_tree_t*)ndpi_str->custom_categories.ipAddresses, free_ptree_data);
|
|
|
|
if(ndpi_str->custom_categories.ipAddresses_shadow != NULL)
|
|
ndpi_Destroy_Patricia((patricia_tree_t*)ndpi_str->custom_categories.ipAddresses_shadow, free_ptree_data);
|
|
|
|
ndpi_free(ndpi_str);
|
|
}
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
int ndpi_get_protocol_id_master_proto(struct ndpi_detection_module_struct *ndpi_str,
|
|
u_int16_t protocol_id,
|
|
u_int16_t** tcp_master_proto,
|
|
u_int16_t** udp_master_proto) {
|
|
if(protocol_id >= (NDPI_MAX_SUPPORTED_PROTOCOLS+NDPI_MAX_NUM_CUSTOM_PROTOCOLS)) {
|
|
*tcp_master_proto = ndpi_str->proto_defaults[NDPI_PROTOCOL_UNKNOWN].master_tcp_protoId,
|
|
*udp_master_proto = ndpi_str->proto_defaults[NDPI_PROTOCOL_UNKNOWN].master_udp_protoId;
|
|
return(-1);
|
|
}
|
|
|
|
*tcp_master_proto = ndpi_str->proto_defaults[protocol_id].master_tcp_protoId,
|
|
*udp_master_proto = ndpi_str->proto_defaults[protocol_id].master_udp_protoId;
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
static ndpi_default_ports_tree_node_t* ndpi_get_guessed_protocol_id(struct ndpi_detection_module_struct *ndpi_str,
|
|
u_int8_t proto, u_int16_t sport, u_int16_t dport) {
|
|
ndpi_default_ports_tree_node_t node;
|
|
|
|
if(sport && dport) {
|
|
int low = ndpi_min(sport, dport);
|
|
int high = ndpi_max(sport, dport);
|
|
const void *ret;
|
|
|
|
node.default_port = low; /* Check server port first */
|
|
ret = ndpi_tfind(&node,
|
|
(proto == IPPROTO_TCP) ? (void*)&ndpi_str->tcpRoot : (void*)&ndpi_str->udpRoot,
|
|
ndpi_default_ports_tree_node_t_cmp);
|
|
|
|
if(ret == NULL) {
|
|
node.default_port = high;
|
|
ret = ndpi_tfind(&node,
|
|
(proto == IPPROTO_TCP) ? (void*)&ndpi_str->tcpRoot : (void*)&ndpi_str->udpRoot,
|
|
ndpi_default_ports_tree_node_t_cmp);
|
|
}
|
|
|
|
if(ret) return(*(ndpi_default_ports_tree_node_t**)ret);
|
|
}
|
|
|
|
return(NULL);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
/*
|
|
These are UDP protocols that must fit a single packet
|
|
and thus that if have NOT been detected they cannot be guessed
|
|
as they have been excluded
|
|
*/
|
|
u_int8_t is_udp_guessable_protocol(u_int16_t l7_guessed_proto) {
|
|
switch(l7_guessed_proto) {
|
|
case NDPI_PROTOCOL_QUIC:
|
|
case NDPI_PROTOCOL_SNMP:
|
|
case NDPI_PROTOCOL_NETFLOW:
|
|
/* TODO: add more protocols (if any missing) */
|
|
return(1);
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
u_int16_t ndpi_guess_protocol_id(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
u_int8_t proto, u_int16_t sport, u_int16_t dport,
|
|
u_int8_t *user_defined_proto) {
|
|
*user_defined_proto = 0; /* Default */
|
|
|
|
if(sport && dport) {
|
|
ndpi_default_ports_tree_node_t *found = ndpi_get_guessed_protocol_id(ndpi_str, proto, sport, dport);
|
|
|
|
if(found != NULL) {
|
|
u_int16_t guessed_proto = found->proto->protoId;
|
|
|
|
/* We need to check if the guessed protocol isn't excluded by nDPI */
|
|
if(flow
|
|
&& (proto == IPPROTO_UDP)
|
|
&& NDPI_COMPARE_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, guessed_proto)
|
|
&& is_udp_guessable_protocol(guessed_proto)
|
|
)
|
|
return(NDPI_PROTOCOL_UNKNOWN);
|
|
else {
|
|
*user_defined_proto = found->customUserProto;
|
|
return(guessed_proto);
|
|
}
|
|
}
|
|
} else {
|
|
/* No TCP/UDP */
|
|
|
|
switch(proto) {
|
|
case NDPI_IPSEC_PROTOCOL_ESP:
|
|
case NDPI_IPSEC_PROTOCOL_AH:
|
|
return(NDPI_PROTOCOL_IP_IPSEC);
|
|
break;
|
|
case NDPI_GRE_PROTOCOL_TYPE:
|
|
return(NDPI_PROTOCOL_IP_GRE);
|
|
break;
|
|
case NDPI_ICMP_PROTOCOL_TYPE:
|
|
return(NDPI_PROTOCOL_IP_ICMP);
|
|
break;
|
|
case NDPI_IGMP_PROTOCOL_TYPE:
|
|
return(NDPI_PROTOCOL_IP_IGMP);
|
|
break;
|
|
case NDPI_EGP_PROTOCOL_TYPE:
|
|
return(NDPI_PROTOCOL_IP_EGP);
|
|
break;
|
|
case NDPI_SCTP_PROTOCOL_TYPE:
|
|
return(NDPI_PROTOCOL_IP_SCTP);
|
|
break;
|
|
case NDPI_OSPF_PROTOCOL_TYPE:
|
|
return(NDPI_PROTOCOL_IP_OSPF);
|
|
break;
|
|
case NDPI_IPIP_PROTOCOL_TYPE:
|
|
return(NDPI_PROTOCOL_IP_IP_IN_IP);
|
|
break;
|
|
case NDPI_ICMPV6_PROTOCOL_TYPE:
|
|
return(NDPI_PROTOCOL_IP_ICMPV6);
|
|
break;
|
|
case 112:
|
|
return(NDPI_PROTOCOL_IP_VRRP);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return(NDPI_PROTOCOL_UNKNOWN);
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
u_int ndpi_get_num_supported_protocols(struct ndpi_detection_module_struct *ndpi_str) {
|
|
return(ndpi_str->ndpi_num_supported_protocols);
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
#ifdef WIN32
|
|
char * strsep(char **sp, char *sep)
|
|
{
|
|
char *p, *s;
|
|
if(sp == NULL || *sp == NULL || **sp == '\0') return(NULL);
|
|
s = *sp;
|
|
p = s + strcspn(s, sep);
|
|
if(*p != '\0') *p++ = '\0';
|
|
*sp = p;
|
|
return(s);
|
|
}
|
|
#endif
|
|
|
|
/* ******************************************************************** */
|
|
|
|
int ndpi_handle_rule(struct ndpi_detection_module_struct *ndpi_str,
|
|
char* rule, u_int8_t do_add) {
|
|
char *at, *proto, *elem;
|
|
ndpi_proto_defaults_t *def;
|
|
int subprotocol_id, i;
|
|
|
|
at = strrchr(rule, '@');
|
|
if(at == NULL) {
|
|
NDPI_LOG_ERR(ndpi_str, "Invalid rule '%s'\n", rule);
|
|
return(-1);
|
|
} else
|
|
at[0] = 0, proto = &at[1];
|
|
|
|
for(i=0; proto[i] != '\0'; i++) {
|
|
switch(proto[i]) {
|
|
case '/':
|
|
case '&':
|
|
case '^':
|
|
case ':':
|
|
case ';':
|
|
case '\'':
|
|
case '"':
|
|
case ' ':
|
|
proto[i] = '_';
|
|
break;
|
|
}
|
|
}
|
|
|
|
for(i=0, def = NULL; i<(int)ndpi_str->ndpi_num_supported_protocols; i++) {
|
|
if(ndpi_str->proto_defaults[i].protoName && strcasecmp(ndpi_str->proto_defaults[i].protoName, proto) == 0) {
|
|
def = &ndpi_str->proto_defaults[i];
|
|
subprotocol_id = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(def == NULL) {
|
|
if(!do_add) {
|
|
/* We need to remove a rule */
|
|
NDPI_LOG_ERR(ndpi_str, "Unable to find protocol '%s': skipping rule '%s'\n", proto, rule);
|
|
return(-3);
|
|
} else {
|
|
ndpi_port_range ports_a[MAX_DEFAULT_PORTS], ports_b[MAX_DEFAULT_PORTS];
|
|
u_int16_t no_master[2] = { NDPI_PROTOCOL_NO_MASTER_PROTO, NDPI_PROTOCOL_NO_MASTER_PROTO };
|
|
|
|
if(ndpi_str->ndpi_num_custom_protocols >= (NDPI_MAX_NUM_CUSTOM_PROTOCOLS-1)) {
|
|
NDPI_LOG_ERR(ndpi_str, "Too many protocols defined (%u): skipping protocol %s\n",
|
|
ndpi_str->ndpi_num_custom_protocols, proto);
|
|
return(-2);
|
|
}
|
|
|
|
ndpi_set_proto_defaults(ndpi_str, NDPI_PROTOCOL_ACCEPTABLE,
|
|
ndpi_str->ndpi_num_supported_protocols,
|
|
0 /* can_have_a_subprotocol */, no_master,
|
|
no_master,
|
|
proto,
|
|
NDPI_PROTOCOL_CATEGORY_UNSPECIFIED, /* TODO add protocol category support in rules */
|
|
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
|
|
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
|
|
def = &ndpi_str->proto_defaults[ndpi_str->ndpi_num_supported_protocols];
|
|
subprotocol_id = ndpi_str->ndpi_num_supported_protocols;
|
|
ndpi_str->ndpi_num_supported_protocols++, ndpi_str->ndpi_num_custom_protocols++;
|
|
}
|
|
}
|
|
|
|
while((elem = strsep(&rule, ",")) != NULL) {
|
|
char *attr = elem, *value = NULL;
|
|
ndpi_port_range range;
|
|
int is_tcp = 0, is_udp = 0, is_ip = 0;
|
|
|
|
if(strncmp(attr, "tcp:", 4) == 0)
|
|
is_tcp = 1, value = &attr[4];
|
|
else if(strncmp(attr, "udp:", 4) == 0)
|
|
is_udp = 1, value = &attr[4];
|
|
else if(strncmp(attr, "ip:", 3) == 0)
|
|
is_ip = 1, value = &attr[3];
|
|
else if(strncmp(attr, "host:", 5) == 0) {
|
|
/* host:"<value>",host:"<value>",.....@<subproto> */
|
|
value = &attr[5];
|
|
if(value[0] == '"') value++; /* remove leading " */
|
|
if(value[strlen(value)-1] == '"') value[strlen(value)-1] = '\0'; /* remove trailing " */
|
|
}
|
|
|
|
if(is_tcp || is_udp) {
|
|
u_int p_low, p_high;
|
|
|
|
if(sscanf(value, "%u-%u", &p_low, &p_high) == 2)
|
|
range.port_low = p_low, range.port_high = p_high;
|
|
else
|
|
range.port_low = range.port_high = atoi(&elem[4]);
|
|
|
|
if(do_add)
|
|
addDefaultPort(ndpi_str, &range, def, 1 /* Custom user proto */,
|
|
is_tcp ? &ndpi_str->tcpRoot : &ndpi_str->udpRoot, __FUNCTION__,__LINE__);
|
|
else
|
|
removeDefaultPort(&range, def, is_tcp ? &ndpi_str->tcpRoot : &ndpi_str->udpRoot);
|
|
} else if(is_ip) {
|
|
/* NDPI_PROTOCOL_TOR */
|
|
ndpi_add_host_ip_subprotocol(ndpi_str, value, subprotocol_id);
|
|
} else {
|
|
if(do_add)
|
|
ndpi_add_host_url_subprotocol(ndpi_str, value, subprotocol_id,
|
|
NDPI_PROTOCOL_CATEGORY_UNSPECIFIED,
|
|
NDPI_PROTOCOL_ACCEPTABLE);
|
|
else
|
|
ndpi_remove_host_url_subprotocol(ndpi_str, value, subprotocol_id);
|
|
}
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
/*
|
|
* Format:
|
|
*
|
|
* <host|ip> <category_id>
|
|
*
|
|
* Notes:
|
|
* - host and category are separated by a single TAB
|
|
* - empty lines or lines starting with # are ignored
|
|
*/
|
|
int ndpi_load_categories_file(struct ndpi_detection_module_struct *ndpi_str, const char* path) {
|
|
char buffer[512], *line, *name, *category, *saveptr;
|
|
FILE *fd;
|
|
int len;
|
|
|
|
fd = fopen(path, "r");
|
|
|
|
if(fd == NULL) {
|
|
NDPI_LOG_ERR(ndpi_str, "Unable to open file %s [%s]\n", path, strerror(errno));
|
|
return(-1);
|
|
}
|
|
|
|
while(fd) {
|
|
line = fgets(buffer, sizeof(buffer), fd);
|
|
|
|
if(line == NULL)
|
|
break;
|
|
|
|
len = strlen(line);
|
|
|
|
if((len <= 1) || (line[0] == '#'))
|
|
continue;
|
|
|
|
line[len-1] = '\0';
|
|
name = strtok_r(line, "\t", &saveptr);
|
|
|
|
if(name) {
|
|
category = strtok_r(NULL, "\t", &saveptr);
|
|
|
|
if(category)
|
|
ndpi_load_category(ndpi_str, name, (ndpi_protocol_category_t) atoi(category));
|
|
}
|
|
}
|
|
|
|
fclose(fd);
|
|
ndpi_enable_loaded_categories(ndpi_str);
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
/*
|
|
Format:
|
|
<tcp|udp>:<port>,<tcp|udp>:<port>,.....@<proto>
|
|
|
|
Subprotocols Format:
|
|
host:"<value>",host:"<value>",.....@<subproto>
|
|
|
|
IP based Subprotocols Format (<value> is IP or CIDR):
|
|
ip:<value>,ip:<value>,.....@<subproto>
|
|
|
|
Example:
|
|
tcp:80,tcp:3128@HTTP
|
|
udp:139@NETBIOS
|
|
|
|
*/
|
|
int ndpi_load_protocols_file(struct ndpi_detection_module_struct *ndpi_str, const char* path) {
|
|
FILE *fd;
|
|
char *buffer, *old_buffer;
|
|
int chunk_len = 512, buffer_len = chunk_len, old_buffer_len;
|
|
int i, rc = -1;
|
|
|
|
fd = fopen(path, "r");
|
|
|
|
if(fd == NULL) {
|
|
NDPI_LOG_ERR(ndpi_str, "Unable to open file %s [%s]\n", path, strerror(errno));
|
|
goto error;
|
|
}
|
|
|
|
buffer = ndpi_malloc(buffer_len);
|
|
|
|
if(buffer == NULL) {
|
|
NDPI_LOG_ERR(ndpi_str, "Memory allocation failure\n");
|
|
goto close_fd;
|
|
}
|
|
|
|
while(1) {
|
|
char *line = buffer;
|
|
int line_len = buffer_len;
|
|
|
|
while((line = fgets(line, line_len, fd)) != NULL && line[strlen(line)-1] != '\n') {
|
|
i = strlen(line);
|
|
old_buffer = buffer;
|
|
old_buffer_len = buffer_len;
|
|
buffer_len += chunk_len;
|
|
|
|
buffer = ndpi_realloc(old_buffer, old_buffer_len, buffer_len);
|
|
|
|
if(buffer == NULL) {
|
|
NDPI_LOG_ERR(ndpi_str, "Memory allocation failure\n");
|
|
ndpi_free(old_buffer);
|
|
goto close_fd;
|
|
}
|
|
|
|
line = &buffer[i];
|
|
line_len = chunk_len;
|
|
}
|
|
|
|
if(!line) /* safety check */
|
|
break;
|
|
|
|
i = strlen(buffer);
|
|
if((i <= 1) || (buffer[0] == '#'))
|
|
continue;
|
|
else
|
|
buffer[i-1] = '\0';
|
|
|
|
ndpi_handle_rule(ndpi_str, buffer, 1);
|
|
}
|
|
|
|
rc = 0;
|
|
|
|
ndpi_free(buffer);
|
|
|
|
close_fd:
|
|
fclose(fd);
|
|
|
|
error:
|
|
return(rc);
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
/* ntop */
|
|
void ndpi_set_bitmask_protocol_detection(char * label,
|
|
struct ndpi_detection_module_struct *ndpi_str,
|
|
const NDPI_PROTOCOL_BITMASK * detection_bitmask,
|
|
const u_int32_t idx,
|
|
u_int16_t ndpi_protocol_id,
|
|
void (*func) (struct ndpi_detection_module_struct *, struct ndpi_flow_struct *flow),
|
|
const NDPI_SELECTION_BITMASK_PROTOCOL_SIZE ndpi_selection_bitmask,
|
|
u_int8_t b_save_bitmask_unknow,
|
|
u_int8_t b_add_detection_bitmask) {
|
|
/*
|
|
Compare specify protocol bitmask with main detection bitmask
|
|
*/
|
|
if(NDPI_COMPARE_PROTOCOL_TO_BITMASK(*detection_bitmask, ndpi_protocol_id) != 0) {
|
|
#ifdef DEBUG
|
|
NDPI_LOG_DBG2(ndpi_str
|
|
"[NDPI] ndpi_set_bitmask_protocol_detection: %s : [callback_buffer] idx= %u, [proto_defaults] protocol_id=%u\n",
|
|
label, idx, ndpi_protocol_id);
|
|
#endif
|
|
|
|
if(ndpi_str->proto_defaults[ndpi_protocol_id].protoIdx != 0) {
|
|
NDPI_LOG_DBG2(ndpi_str,
|
|
"[NDPI] Internal error: protocol %s/%u has been already registered\n", label, ndpi_protocol_id);
|
|
#ifdef DEBUG
|
|
} else {
|
|
NDPI_LOG_DBG2(ndpi_str,
|
|
"[NDPI] Adding %s with protocol id %d\n", label, ndpi_protocol_id);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
Set function and index protocol within proto_default structure for port protocol detection
|
|
and callback_buffer function for DPI protocol detection
|
|
*/
|
|
ndpi_str->proto_defaults[ndpi_protocol_id].protoIdx = idx;
|
|
ndpi_str->proto_defaults[ndpi_protocol_id].func = ndpi_str->callback_buffer[idx].func = func;
|
|
|
|
/*
|
|
Set ndpi_selection_bitmask for protocol
|
|
*/
|
|
ndpi_str->callback_buffer[idx].ndpi_selection_bitmask = ndpi_selection_bitmask;
|
|
|
|
/*
|
|
Reset protocol detection bitmask via NDPI_PROTOCOL_UNKNOWN and than add specify protocol bitmast to callback
|
|
buffer.
|
|
*/
|
|
if(b_save_bitmask_unknow) NDPI_SAVE_AS_BITMASK(ndpi_str->callback_buffer[idx].detection_bitmask, NDPI_PROTOCOL_UNKNOWN);
|
|
if(b_add_detection_bitmask) NDPI_ADD_PROTOCOL_TO_BITMASK(ndpi_str->callback_buffer[idx].detection_bitmask, ndpi_protocol_id);
|
|
|
|
NDPI_SAVE_AS_BITMASK(ndpi_str->callback_buffer[idx].excluded_protocol_bitmask, ndpi_protocol_id);
|
|
}
|
|
}
|
|
|
|
/* ******************************************************************** */
|
|
|
|
void ndpi_set_protocol_detection_bitmask2(struct ndpi_detection_module_struct *ndpi_str,
|
|
const NDPI_PROTOCOL_BITMASK * dbm) {
|
|
NDPI_PROTOCOL_BITMASK detection_bitmask_local;
|
|
NDPI_PROTOCOL_BITMASK *detection_bitmask = &detection_bitmask_local;
|
|
u_int32_t a = 0;
|
|
|
|
NDPI_BITMASK_SET(detection_bitmask_local, *dbm);
|
|
NDPI_BITMASK_SET(ndpi_str->detection_bitmask, *dbm);
|
|
|
|
/* set this here to zero to be interrupt safe */
|
|
ndpi_str->callback_buffer_size = 0;
|
|
|
|
/* HTTP */
|
|
init_http_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* STARCRAFT */
|
|
init_starcraft_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* TLS */
|
|
init_tls_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* STUN */
|
|
init_stun_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* RTP */
|
|
init_rtp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* RTSP */
|
|
init_rtsp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* RDP */
|
|
init_rdp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SIP */
|
|
init_sip_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* IMO */
|
|
init_imo_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* Teredo */
|
|
init_teredo_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* EDONKEY */
|
|
init_edonkey_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* FASTTRACK */
|
|
init_fasttrack_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* GNUTELLA */
|
|
init_gnutella_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* DIRECTCONNECT */
|
|
init_directconnect_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* MSN */
|
|
init_msn_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* YAHOO */
|
|
init_yahoo_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* OSCAR */
|
|
init_oscar_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* APPLEJUICE */
|
|
init_applejuice_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SOULSEEK */
|
|
init_soulseek_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SOCKS */
|
|
init_socks_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* IRC */
|
|
init_irc_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* JABBER */
|
|
init_jabber_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* MAIL_POP */
|
|
init_mail_pop_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* MAIL_IMAP */
|
|
init_mail_imap_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* MAIL_SMTP */
|
|
init_mail_smtp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* USENET */
|
|
init_usenet_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* DNS */
|
|
init_dns_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* FILETOPIA */
|
|
init_fbzero_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* VMWARE */
|
|
init_vmware_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* NON_TCP_UDP */
|
|
init_non_tcp_udp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* TVANTS */
|
|
init_tvants_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SOPCAST */
|
|
init_sopcast_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* TVUPLAYER */
|
|
init_tvuplayer_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* PPSTREAM */
|
|
init_ppstream_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* PPLIVE */
|
|
init_pplive_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* IAX */
|
|
init_iax_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* MGPC */
|
|
init_mgpc_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* ZATTOO */
|
|
init_zattoo_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* QQ */
|
|
init_qq_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SSH */
|
|
init_ssh_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* AYIYA */
|
|
init_ayiya_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* THUNDER */
|
|
init_thunder_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* VNC */
|
|
init_vnc_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* TEAMVIEWER */
|
|
init_teamviewer_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* DHCP */
|
|
init_dhcp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* STEAM */
|
|
init_steam_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* HALFLIFE2 */
|
|
init_halflife2_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* XBOX */
|
|
init_xbox_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* HTTP_APPLICATION_ACTIVESYNC */
|
|
init_http_activesync_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SMB */
|
|
init_smb_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* MINING */
|
|
init_mining_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* TELNET */
|
|
init_telnet_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* NTP */
|
|
init_ntp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* NFS */
|
|
init_nfs_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SSDP */
|
|
init_ssdp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* WORLD_OF_WARCRAFT */
|
|
init_world_of_warcraft_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* POSTGRES */
|
|
init_postgres_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* MYSQL */
|
|
init_mysql_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* BGP */
|
|
init_bgp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* BATTLEFIELD */
|
|
init_battlefield_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* PCANYWHERE */
|
|
init_pcanywhere_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SNMP */
|
|
init_snmp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* KONTIKI */
|
|
init_kontiki_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* ICECAST */
|
|
init_icecast_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SHOUTCAST */
|
|
init_shoutcast_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* KERBEROS */
|
|
init_kerberos_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* OPENFT */
|
|
init_openft_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SYSLOG */
|
|
init_syslog_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* DIRECT_DOWNLOAD_LINK */
|
|
init_directdownloadlink_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* NETBIOS */
|
|
init_netbios_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* MDNS */
|
|
init_mdns_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* IPP */
|
|
init_ipp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* LDAP */
|
|
init_ldap_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* WARCRAFT3 */
|
|
init_warcraft3_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* XDMCP */
|
|
init_xdmcp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* TFTP */
|
|
init_tftp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* MSSQL_TDS */
|
|
init_mssql_tds_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* PPTP */
|
|
init_pptp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* STEALTHNET */
|
|
init_stealthnet_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* DHCPV6 */
|
|
init_dhcpv6_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* AFP */
|
|
init_afp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* check_mk */
|
|
init_checkmk_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* AIMINI */
|
|
init_aimini_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* FLORENSIA */
|
|
init_florensia_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* MAPLESTORY */
|
|
init_maplestory_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* DOFUS */
|
|
init_dofus_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* WORLD_OF_KUNG_FU */
|
|
init_world_of_kung_fu_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* FIESTA */
|
|
init_fiesta_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* CROSSIFIRE */
|
|
init_crossfire_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* GUILDWARS */
|
|
init_guildwars_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* ARMAGETRON */
|
|
init_armagetron_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* DROPBOX */
|
|
init_dropbox_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SPOTIFY */
|
|
init_spotify_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* RADIUS */
|
|
init_radius_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* CITRIX */
|
|
init_citrix_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* LOTUS_NOTES */
|
|
init_lotus_notes_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* GTP */
|
|
init_gtp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* DCERPC */
|
|
init_dcerpc_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* NETFLOW */
|
|
init_netflow_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SFLOW */
|
|
init_sflow_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* H323 */
|
|
init_h323_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* OPENVPN */
|
|
init_openvpn_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* NOE */
|
|
init_noe_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* CISCOVPN */
|
|
init_ciscovpn_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* TEAMSPEAK */
|
|
init_teamspeak_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* TOR */
|
|
init_tor_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SKINNY */
|
|
init_skinny_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* RTCP */
|
|
init_rtcp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* RSYNC */
|
|
init_rsync_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* WHOIS_DAS */
|
|
init_whois_das_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* ORACLE */
|
|
init_oracle_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* CORBA */
|
|
init_corba_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* RTMP */
|
|
init_rtmp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* FTP_CONTROL */
|
|
init_ftp_control_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* FTP_DATA */
|
|
init_ftp_data_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* PANDO */
|
|
init_pando_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* MEGACO */
|
|
init_megaco_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* REDIS */
|
|
init_redis_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* UPnP */
|
|
init_upnp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* VHUA */
|
|
init_vhua_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* ZMQ */
|
|
init_zmq_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* TELEGRAM */
|
|
init_telegram_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* QUIC */
|
|
init_quic_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* DIAMETER */
|
|
init_diameter_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* APPLE_PUSH */
|
|
init_apple_push_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* EAQ */
|
|
init_eaq_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* KAKAOTALK_VOICE */
|
|
init_kakaotalk_voice_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* MPEGTS */
|
|
init_mpegts_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* UBNTAC2 */
|
|
init_ubntac2_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* COAP */
|
|
init_coap_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* MQTT */
|
|
init_mqtt_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SOME/IP */
|
|
init_someip_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* RX */
|
|
init_rx_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* GIT */
|
|
init_git_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* HANGOUT */
|
|
init_hangout_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* DRDA */
|
|
init_drda_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* BJNP */
|
|
init_bjnp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SMPP */
|
|
init_smpp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* TINC */
|
|
init_tinc_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* FIX */
|
|
init_fix_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* NINTENDO */
|
|
init_nintendo_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* MODBUS */
|
|
init_modbus_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* CAPWAP */
|
|
init_capwap_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* ZABBIX */
|
|
init_zabbix_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/*** Put false-positive sensitive protocols at the end ***/
|
|
|
|
/* VIBER */
|
|
init_viber_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* SKYPE */
|
|
init_skype_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* BITTORRENT */
|
|
init_bittorrent_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* WHATSAPP */
|
|
init_whatsapp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* OOKLA */
|
|
init_ookla_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* AMQP */
|
|
init_amqp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* CSGO */
|
|
init_csgo_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* LISP */
|
|
init_lisp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* AJP */
|
|
init_ajp_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* Memcached */
|
|
init_memcached_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* Nest Log Sink */
|
|
init_nest_log_sink_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* WireGuard VPN */
|
|
init_wireguard_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* Amazon_Video */
|
|
init_amazon_video_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
/* Targus Getdata */
|
|
init_targus_getdata_dissector(ndpi_str, &a, detection_bitmask);
|
|
|
|
#ifdef CUSTOM_NDPI_PROTOCOLS
|
|
#include "../../../nDPI-custom/custom_ndpi_main_init.c"
|
|
#endif
|
|
|
|
/* ----------------------------------------------------------------- */
|
|
|
|
ndpi_str->callback_buffer_size = a;
|
|
|
|
NDPI_LOG_DBG2(ndpi_str,
|
|
"callback_buffer_size is %u\n", ndpi_str->callback_buffer_size);
|
|
|
|
/* now build the specific buffer for tcp, udp and non_tcp_udp */
|
|
ndpi_str->callback_buffer_size_tcp_payload = 0;
|
|
ndpi_str->callback_buffer_size_tcp_no_payload = 0;
|
|
for(a = 0; a < ndpi_str->callback_buffer_size; a++) {
|
|
if((ndpi_str->callback_buffer[a].ndpi_selection_bitmask
|
|
& (NDPI_SELECTION_BITMASK_PROTOCOL_INT_TCP |
|
|
NDPI_SELECTION_BITMASK_PROTOCOL_INT_TCP_OR_UDP |
|
|
NDPI_SELECTION_BITMASK_PROTOCOL_COMPLETE_TRAFFIC)) != 0) {
|
|
if(_ndpi_debug_callbacks) NDPI_LOG_DBG2(ndpi_str,
|
|
"callback_buffer_tcp_payload, adding buffer %u as entry %u\n", a,
|
|
ndpi_str->callback_buffer_size_tcp_payload);
|
|
|
|
memcpy(&ndpi_str->callback_buffer_tcp_payload[ndpi_str->callback_buffer_size_tcp_payload],
|
|
&ndpi_str->callback_buffer[a], sizeof(struct ndpi_call_function_struct));
|
|
ndpi_str->callback_buffer_size_tcp_payload++;
|
|
|
|
if((ndpi_str->
|
|
callback_buffer[a].ndpi_selection_bitmask & NDPI_SELECTION_BITMASK_PROTOCOL_HAS_PAYLOAD) == 0) {
|
|
if(_ndpi_debug_callbacks) NDPI_LOG_DBG2(ndpi_str,
|
|
"\tcallback_buffer_tcp_no_payload, additional adding buffer %u to no_payload process\n", a);
|
|
|
|
memcpy(&ndpi_str->callback_buffer_tcp_no_payload
|
|
[ndpi_str->callback_buffer_size_tcp_no_payload], &ndpi_str->callback_buffer[a],
|
|
sizeof(struct ndpi_call_function_struct));
|
|
ndpi_str->callback_buffer_size_tcp_no_payload++;
|
|
}
|
|
}
|
|
}
|
|
|
|
ndpi_str->callback_buffer_size_udp = 0;
|
|
for(a = 0; a < ndpi_str->callback_buffer_size; a++) {
|
|
if((ndpi_str->callback_buffer[a].ndpi_selection_bitmask & (NDPI_SELECTION_BITMASK_PROTOCOL_INT_UDP |
|
|
NDPI_SELECTION_BITMASK_PROTOCOL_INT_TCP_OR_UDP |
|
|
NDPI_SELECTION_BITMASK_PROTOCOL_COMPLETE_TRAFFIC))
|
|
!= 0) {
|
|
if(_ndpi_debug_callbacks) NDPI_LOG_DBG2(ndpi_str,
|
|
"callback_buffer_size_udp: adding buffer : %u as entry %u\n", a, ndpi_str->callback_buffer_size_udp);
|
|
|
|
memcpy(&ndpi_str->callback_buffer_udp[ndpi_str->callback_buffer_size_udp],
|
|
&ndpi_str->callback_buffer[a], sizeof(struct ndpi_call_function_struct));
|
|
ndpi_str->callback_buffer_size_udp++;
|
|
}
|
|
}
|
|
|
|
ndpi_str->callback_buffer_size_non_tcp_udp = 0;
|
|
for(a = 0; a < ndpi_str->callback_buffer_size; a++) {
|
|
if((ndpi_str->callback_buffer[a].ndpi_selection_bitmask & (NDPI_SELECTION_BITMASK_PROTOCOL_INT_TCP |
|
|
NDPI_SELECTION_BITMASK_PROTOCOL_INT_UDP |
|
|
NDPI_SELECTION_BITMASK_PROTOCOL_INT_TCP_OR_UDP)) == 0
|
|
|| (ndpi_str->
|
|
callback_buffer[a].ndpi_selection_bitmask & NDPI_SELECTION_BITMASK_PROTOCOL_COMPLETE_TRAFFIC) != 0) {
|
|
if(_ndpi_debug_callbacks) NDPI_LOG_DBG2(ndpi_str,
|
|
"callback_buffer_non_tcp_udp: adding buffer : %u as entry %u\n", a, ndpi_str->callback_buffer_size_non_tcp_udp);
|
|
|
|
memcpy(&ndpi_str->callback_buffer_non_tcp_udp[ndpi_str->callback_buffer_size_non_tcp_udp],
|
|
&ndpi_str->callback_buffer[a], sizeof(struct ndpi_call_function_struct));
|
|
ndpi_str->callback_buffer_size_non_tcp_udp++;
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
/* handle extension headers in IPv6 packets
|
|
* arguments:
|
|
* l4ptr: pointer to the byte following the initial IPv6 header
|
|
* l4len: the length of the IPv6 packet excluding the IPv6 header
|
|
* nxt_hdr: next header value from the IPv6 header
|
|
* result:
|
|
* l4ptr: pointer to the start of the actual packet payload
|
|
* l4len: length of the actual payload
|
|
* nxt_hdr: protocol of the actual payload
|
|
* returns 0 upon success and 1 upon failure
|
|
*/
|
|
static int ndpi_handle_ipv6_extension_headers(struct ndpi_detection_module_struct *ndpi_str, const u_int8_t ** l4ptr, u_int16_t * l4len, u_int8_t * nxt_hdr)
|
|
{
|
|
while((*nxt_hdr == 0 || *nxt_hdr == 43 || *nxt_hdr == 44 || *nxt_hdr == 60 || *nxt_hdr == 135 || *nxt_hdr == 59)) {
|
|
u_int16_t ehdr_len;
|
|
|
|
// no next header
|
|
if(*nxt_hdr == 59) {
|
|
return(1);
|
|
}
|
|
// fragment extension header has fixed size of 8 bytes and the first byte is the next header type
|
|
if(*nxt_hdr == 44) {
|
|
if(*l4len < 8) {
|
|
return(1);
|
|
}
|
|
*nxt_hdr = (*l4ptr)[0];
|
|
*l4len -= 8;
|
|
(*l4ptr) += 8;
|
|
continue;
|
|
}
|
|
// the other extension headers have one byte for the next header type
|
|
// and one byte for the extension header length in 8 byte steps minus the first 8 bytes
|
|
if (*l4len < 2) {
|
|
return(1);
|
|
}
|
|
ehdr_len = (*l4ptr)[1];
|
|
ehdr_len *= 8;
|
|
ehdr_len += 8;
|
|
|
|
if(*l4len < ehdr_len) {
|
|
return(1);
|
|
}
|
|
*nxt_hdr = (*l4ptr)[0];
|
|
*l4len -= ehdr_len;
|
|
(*l4ptr) += ehdr_len;
|
|
}
|
|
return(0);
|
|
}
|
|
#endif /* NDPI_DETECTION_SUPPORT_IPV6 */
|
|
|
|
|
|
static u_int8_t ndpi_iph_is_valid_and_not_fragmented(const struct ndpi_iphdr *iph, const u_int16_t ipsize)
|
|
{
|
|
//#ifdef REQUIRE_FULL_PACKETS
|
|
if(ipsize < iph->ihl * 4 ||
|
|
ipsize < ntohs(iph->tot_len) || ntohs(iph->tot_len) < iph->ihl * 4 || (iph->frag_off & htons(0x1FFF)) != 0) {
|
|
return(0);
|
|
}
|
|
//#endif
|
|
|
|
return(1);
|
|
}
|
|
|
|
static u_int8_t ndpi_detection_get_l4_internal(struct ndpi_detection_module_struct *ndpi_str,
|
|
const u_int8_t * l3, u_int16_t l3_len,
|
|
const u_int8_t ** l4_return, u_int16_t * l4_len_return,
|
|
u_int8_t * l4_protocol_return, u_int32_t flags)
|
|
{
|
|
const struct ndpi_iphdr *iph = NULL;
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
const struct ndpi_ipv6hdr *iph_v6 = NULL;
|
|
#endif
|
|
u_int16_t l4len = 0;
|
|
const u_int8_t *l4ptr = NULL;
|
|
u_int8_t l4protocol = 0;
|
|
|
|
if(l3 == NULL || l3_len < sizeof(struct ndpi_iphdr))
|
|
return(1);
|
|
|
|
iph = (const struct ndpi_iphdr *) l3;
|
|
|
|
if(iph->version == IPVERSION && iph->ihl >= 5) {
|
|
NDPI_LOG_DBG2(ndpi_str, "ipv4 header\n");
|
|
}
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
else if(iph->version == 6 && l3_len >= sizeof(struct ndpi_ipv6hdr)) {
|
|
NDPI_LOG_DBG2(ndpi_str, "ipv6 header\n");
|
|
iph_v6 = (const struct ndpi_ipv6hdr *) l3;
|
|
iph = NULL;
|
|
}
|
|
#endif
|
|
else {
|
|
return(1);
|
|
}
|
|
|
|
if((flags & NDPI_DETECTION_ONLY_IPV6) && iph != NULL) {
|
|
NDPI_LOG_DBG2(ndpi_str, "ipv4 header found but excluded by flag\n");
|
|
return(1);
|
|
}
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
else if((flags & NDPI_DETECTION_ONLY_IPV4) && iph_v6 != NULL) {
|
|
NDPI_LOG_DBG2(ndpi_str, "ipv6 header found but excluded by flag\n");
|
|
return(1);
|
|
}
|
|
#endif
|
|
|
|
if(iph != NULL && ndpi_iph_is_valid_and_not_fragmented(iph, l3_len)) {
|
|
u_int16_t len = ntohs(iph->tot_len);
|
|
u_int16_t hlen = (iph->ihl * 4);
|
|
|
|
l4ptr = (((const u_int8_t *) iph) + iph->ihl * 4);
|
|
|
|
if(len == 0) len = l3_len;
|
|
|
|
l4len = (len > hlen) ? (len - hlen) : 0;
|
|
l4protocol = iph->protocol;
|
|
}
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
else if(iph_v6 != NULL && (l3_len - sizeof(struct ndpi_ipv6hdr)) >= ntohs(iph_v6->ip6_hdr.ip6_un1_plen)) {
|
|
l4ptr = (((const u_int8_t *) iph_v6) + sizeof(struct ndpi_ipv6hdr));
|
|
l4len = ntohs(iph_v6->ip6_hdr.ip6_un1_plen);
|
|
l4protocol = iph_v6->ip6_hdr.ip6_un1_nxt;
|
|
|
|
// we need to handle IPv6 extension headers if present
|
|
if(ndpi_handle_ipv6_extension_headers(ndpi_str, &l4ptr, &l4len, &l4protocol) != 0) {
|
|
return(1);
|
|
}
|
|
|
|
}
|
|
#endif
|
|
else {
|
|
return(1);
|
|
}
|
|
|
|
if(l4_return != NULL) {
|
|
*l4_return = l4ptr;
|
|
}
|
|
|
|
if(l4_len_return != NULL) {
|
|
*l4_len_return = l4len;
|
|
}
|
|
|
|
if(l4_protocol_return != NULL) {
|
|
*l4_protocol_return = l4protocol;
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
void ndpi_apply_flow_protocol_to_packet(struct ndpi_flow_struct *flow,
|
|
struct ndpi_packet_struct *packet)
|
|
{
|
|
memcpy(&packet->detected_protocol_stack, &flow->detected_protocol_stack, sizeof(packet->detected_protocol_stack));
|
|
memcpy(&packet->protocol_stack_info, &flow->protocol_stack_info, sizeof(packet->protocol_stack_info));
|
|
}
|
|
|
|
static int ndpi_init_packet_header(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
unsigned short packetlen) {
|
|
const struct ndpi_iphdr *decaps_iph = NULL;
|
|
u_int16_t l3len;
|
|
u_int16_t l4len;
|
|
const u_int8_t *l4ptr;
|
|
u_int8_t l4protocol;
|
|
u_int8_t l4_result;
|
|
|
|
if (!flow)
|
|
return(1);
|
|
|
|
/* reset payload_packet_len, will be set if ipv4 tcp or udp */
|
|
flow->packet.payload_packet_len = 0;
|
|
flow->packet.l4_packet_len = 0;
|
|
flow->packet.l3_packet_len = packetlen;
|
|
|
|
flow->packet.tcp = NULL, flow->packet.udp = NULL;
|
|
flow->packet.generic_l4_ptr = NULL;
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
flow->packet.iphv6 = NULL;
|
|
#endif /* NDPI_DETECTION_SUPPORT_IPV6 */
|
|
|
|
ndpi_apply_flow_protocol_to_packet(flow, &flow->packet);
|
|
|
|
l3len = flow->packet.l3_packet_len;
|
|
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
if(flow->packet.iph != NULL) {
|
|
#endif /* NDPI_DETECTION_SUPPORT_IPV6 */
|
|
|
|
decaps_iph = flow->packet.iph;
|
|
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
}
|
|
#endif /* NDPI_DETECTION_SUPPORT_IPV6 */
|
|
|
|
if(decaps_iph && decaps_iph->version == IPVERSION && decaps_iph->ihl >= 5) {
|
|
NDPI_LOG_DBG2(ndpi_str, "ipv4 header\n");
|
|
}
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
else if(decaps_iph && decaps_iph->version == 6 && l3len >= sizeof(struct ndpi_ipv6hdr) &&
|
|
(ndpi_str->ip_version_limit & NDPI_DETECTION_ONLY_IPV4) == 0) {
|
|
NDPI_LOG_DBG2(ndpi_str, "ipv6 header\n");
|
|
flow->packet.iphv6 = (struct ndpi_ipv6hdr *)flow->packet.iph;
|
|
flow->packet.iph = NULL;
|
|
}
|
|
#endif
|
|
else {
|
|
flow->packet.iph = NULL;
|
|
return(1);
|
|
}
|
|
|
|
/* needed:
|
|
* - unfragmented packets
|
|
* - ip header <= packet len
|
|
* - ip total length >= packet len
|
|
*/
|
|
|
|
l4ptr = NULL;
|
|
l4len = 0;
|
|
l4protocol = 0;
|
|
|
|
l4_result =
|
|
ndpi_detection_get_l4_internal(ndpi_str, (const u_int8_t *) decaps_iph, l3len, &l4ptr, &l4len, &l4protocol, 0);
|
|
|
|
if(l4_result != 0) {
|
|
return(1);
|
|
}
|
|
|
|
flow->packet.l4_protocol = l4protocol;
|
|
flow->packet.l4_packet_len = l4len;
|
|
flow->l4_proto = l4protocol;
|
|
|
|
/* tcp / udp detection */
|
|
if(l4protocol == IPPROTO_TCP && flow->packet.l4_packet_len >= 20 /* min size of tcp */ ) {
|
|
/* tcp */
|
|
flow->packet.tcp = (struct ndpi_tcphdr *) l4ptr;
|
|
if(flow->packet.l4_packet_len >=flow->packet.tcp->doff * 4) {
|
|
flow->packet.payload_packet_len =
|
|
flow->packet.l4_packet_len -flow->packet.tcp->doff * 4;
|
|
flow->packet.actual_payload_len = flow->packet.payload_packet_len;
|
|
flow->packet.payload = ((u_int8_t *)flow->packet.tcp) + (flow->packet.tcp->doff * 4);
|
|
|
|
/* check for new tcp syn packets, here
|
|
* idea: reset detection state if a connection is unknown
|
|
*/
|
|
if(flow->packet.tcp->syn != 0
|
|
&& flow->packet.tcp->ack == 0
|
|
&& flow->init_finished != 0
|
|
&& flow->detected_protocol_stack[0] == NDPI_PROTOCOL_UNKNOWN) {
|
|
u_int8_t backup;
|
|
u_int16_t backup1, backup2;
|
|
|
|
if(flow->http.url) ndpi_free(flow->http.url);
|
|
if(flow->http.content_type) ndpi_free(flow->http.content_type);
|
|
if(flow->http.user_agent) ndpi_free(flow->http.user_agent);
|
|
|
|
backup = flow->num_processed_pkts;
|
|
backup1 = flow->guessed_protocol_id;
|
|
backup2 = flow->guessed_host_protocol_id;
|
|
memset(flow, 0, sizeof(*(flow)));
|
|
flow->num_processed_pkts = backup;
|
|
flow->guessed_protocol_id = backup1;
|
|
flow->guessed_host_protocol_id = backup2;
|
|
|
|
NDPI_LOG_DBG(ndpi_str,
|
|
"tcp syn packet for unknown protocol, reset detection state\n");
|
|
}
|
|
} else {
|
|
/* tcp header not complete */
|
|
flow->packet.tcp = NULL;
|
|
}
|
|
} else if(l4protocol == IPPROTO_UDP && flow->packet.l4_packet_len >= 8 /* size of udp */ ) {
|
|
flow->packet.udp = (struct ndpi_udphdr *) l4ptr;
|
|
flow->packet.payload_packet_len =flow->packet.l4_packet_len - 8;
|
|
flow->packet.payload = ((u_int8_t *)flow->packet.udp) + 8;
|
|
} else {
|
|
flow->packet.generic_l4_ptr = l4ptr;
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
void ndpi_connection_tracking(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow) {
|
|
if(!flow) {
|
|
return;
|
|
} else {
|
|
/* const for gcc code optimization and cleaner code */
|
|
struct ndpi_packet_struct *packet = &flow->packet;
|
|
const struct ndpi_iphdr *iph = packet->iph;
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
const struct ndpi_ipv6hdr *iphv6 = packet->iphv6;
|
|
#endif
|
|
const struct ndpi_tcphdr *tcph = packet->tcp;
|
|
const struct ndpi_udphdr *udph = flow->packet.udp;
|
|
|
|
packet->tcp_retransmission = 0, packet->packet_direction = 0;
|
|
|
|
if(ndpi_str->direction_detect_disable) {
|
|
packet->packet_direction = flow->packet_direction;
|
|
} else {
|
|
if(iph != NULL && ntohl(iph->saddr) < ntohl(iph->daddr))
|
|
packet->packet_direction = 1;
|
|
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
if(iphv6 != NULL && NDPI_COMPARE_IPV6_ADDRESS_STRUCTS(&iphv6->ip6_src,
|
|
&iphv6->ip6_dst) != 0)
|
|
packet->packet_direction = 1;
|
|
#endif
|
|
}
|
|
|
|
packet->packet_lines_parsed_complete = 0;
|
|
|
|
if(flow->init_finished == 0) {
|
|
flow->init_finished = 1;
|
|
flow->setup_packet_direction = packet->packet_direction;
|
|
}
|
|
|
|
if(tcph != NULL) {
|
|
/* reset retried bytes here before setting it */
|
|
packet->num_retried_bytes = 0;
|
|
|
|
if(!ndpi_str->direction_detect_disable)
|
|
packet->packet_direction = (ntohs(tcph->source) < ntohs(tcph->dest)) ? 1 : 0;
|
|
|
|
if(tcph->syn != 0 && tcph->ack == 0 && flow->l4.tcp.seen_syn == 0 && flow->l4.tcp.seen_syn_ack == 0
|
|
&& flow->l4.tcp.seen_ack == 0) {
|
|
flow->l4.tcp.seen_syn = 1;
|
|
}
|
|
if(tcph->syn != 0 && tcph->ack != 0 && flow->l4.tcp.seen_syn == 1 && flow->l4.tcp.seen_syn_ack == 0
|
|
&& flow->l4.tcp.seen_ack == 0) {
|
|
flow->l4.tcp.seen_syn_ack = 1;
|
|
}
|
|
if(tcph->syn == 0 && tcph->ack == 1 && flow->l4.tcp.seen_syn == 1 && flow->l4.tcp.seen_syn_ack == 1
|
|
&& flow->l4.tcp.seen_ack == 0) {
|
|
flow->l4.tcp.seen_ack = 1;
|
|
}
|
|
if((flow->next_tcp_seq_nr[0] == 0 && flow->next_tcp_seq_nr[1] == 0)
|
|
|| (flow->next_tcp_seq_nr[0] == 0 || flow->next_tcp_seq_nr[1] == 0)) {
|
|
/* initialize tcp sequence counters */
|
|
/* the ack flag needs to be set to get valid sequence numbers from the other
|
|
* direction. Usually it will catch the second packet syn+ack but it works
|
|
* also for asymmetric traffic where it will use the first data packet
|
|
*
|
|
* if the syn flag is set add one to the sequence number,
|
|
* otherwise use the payload length.
|
|
*/
|
|
if(tcph->ack != 0) {
|
|
flow->next_tcp_seq_nr[flow->packet.packet_direction] =
|
|
ntohl(tcph->seq) + (tcph->syn ? 1 : packet->payload_packet_len);
|
|
|
|
flow->next_tcp_seq_nr[1 -flow->packet.packet_direction] = ntohl(tcph->ack_seq);
|
|
}
|
|
} else if(packet->payload_packet_len > 0) {
|
|
/* check tcp sequence counters */
|
|
if(((u_int32_t)(ntohl(tcph->seq) - flow->next_tcp_seq_nr[packet->packet_direction])) >
|
|
ndpi_str->tcp_max_retransmission_window_size) {
|
|
|
|
packet->tcp_retransmission = 1;
|
|
|
|
/* CHECK IF PARTIAL RETRY IS HAPPENING */
|
|
if((flow->next_tcp_seq_nr[packet->packet_direction] - ntohl(tcph->seq) < packet->payload_packet_len)) {
|
|
/* num_retried_bytes actual_payload_len hold info about the partial retry
|
|
analyzer which require this info can make use of this info
|
|
Other analyzer can use packet->payload_packet_len */
|
|
packet->num_retried_bytes = (u_int16_t)(flow->next_tcp_seq_nr[packet->packet_direction] - ntohl(tcph->seq));
|
|
packet->actual_payload_len = packet->payload_packet_len - packet->num_retried_bytes;
|
|
flow->next_tcp_seq_nr[packet->packet_direction] = ntohl(tcph->seq) + packet->payload_packet_len;
|
|
}
|
|
}
|
|
|
|
/* normal path
|
|
actual_payload_len is initialized to payload_packet_len during tcp header parsing itself.
|
|
It will be changed only in case of retransmission */
|
|
else {
|
|
packet->num_retried_bytes = 0;
|
|
flow->next_tcp_seq_nr[packet->packet_direction] = ntohl(tcph->seq) + packet->payload_packet_len;
|
|
}
|
|
}
|
|
|
|
if(tcph->rst) {
|
|
flow->next_tcp_seq_nr[0] = 0;
|
|
flow->next_tcp_seq_nr[1] = 0;
|
|
}
|
|
} else if(udph != NULL) {
|
|
if(!ndpi_str->direction_detect_disable)
|
|
packet->packet_direction = (htons(udph->source) < htons(udph->dest)) ? 1 : 0;
|
|
}
|
|
|
|
if(flow->packet_counter < MAX_PACKET_COUNTER && packet->payload_packet_len) {
|
|
flow->packet_counter++;
|
|
}
|
|
|
|
if(flow->packet_direction_counter[packet->packet_direction] < MAX_PACKET_COUNTER && packet->payload_packet_len) {
|
|
flow->packet_direction_counter[packet->packet_direction]++;
|
|
}
|
|
|
|
if(flow->byte_counter[packet->packet_direction] + packet->payload_packet_len >
|
|
flow->byte_counter[packet->packet_direction]) {
|
|
flow->byte_counter[packet->packet_direction] += packet->payload_packet_len;
|
|
}
|
|
}
|
|
}
|
|
|
|
void check_ndpi_other_flow_func(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
NDPI_SELECTION_BITMASK_PROTOCOL_SIZE *ndpi_selection_packet) {
|
|
|
|
if (!flow) {
|
|
return;
|
|
}
|
|
|
|
void *func = NULL;
|
|
u_int32_t a;
|
|
u_int16_t proto_index = ndpi_str->proto_defaults[flow->guessed_protocol_id].protoIdx;
|
|
int16_t proto_id = ndpi_str->proto_defaults[flow->guessed_protocol_id].protoId;
|
|
NDPI_PROTOCOL_BITMASK detection_bitmask;
|
|
|
|
NDPI_SAVE_AS_BITMASK(detection_bitmask, flow->packet.detected_protocol_stack[0]);
|
|
|
|
if((proto_id != NDPI_PROTOCOL_UNKNOWN)
|
|
&& NDPI_BITMASK_COMPARE(flow->excluded_protocol_bitmask,
|
|
ndpi_str->callback_buffer[proto_index].excluded_protocol_bitmask) == 0
|
|
&& NDPI_BITMASK_COMPARE(ndpi_str->callback_buffer[proto_index].detection_bitmask,
|
|
detection_bitmask) != 0
|
|
&& (ndpi_str->callback_buffer[proto_index].ndpi_selection_bitmask
|
|
& *ndpi_selection_packet) == ndpi_str->callback_buffer[proto_index].ndpi_selection_bitmask) {
|
|
if((flow->guessed_protocol_id != NDPI_PROTOCOL_UNKNOWN)
|
|
&& (ndpi_str->proto_defaults[flow->guessed_protocol_id].func != NULL))
|
|
ndpi_str->proto_defaults[flow->guessed_protocol_id].func(ndpi_str, flow),
|
|
func = ndpi_str->proto_defaults[flow->guessed_protocol_id].func;
|
|
}
|
|
|
|
for(a = 0; a < ndpi_str->callback_buffer_size_non_tcp_udp; a++) {
|
|
if((func != ndpi_str->callback_buffer_non_tcp_udp[a].func)
|
|
&& (ndpi_str->callback_buffer_non_tcp_udp[a].ndpi_selection_bitmask & *ndpi_selection_packet) ==
|
|
ndpi_str->callback_buffer_non_tcp_udp[a].ndpi_selection_bitmask
|
|
&&
|
|
NDPI_BITMASK_COMPARE(flow->excluded_protocol_bitmask,
|
|
ndpi_str->callback_buffer_non_tcp_udp[a].excluded_protocol_bitmask) == 0
|
|
&& NDPI_BITMASK_COMPARE(ndpi_str->callback_buffer_non_tcp_udp[a].detection_bitmask,
|
|
detection_bitmask) != 0) {
|
|
|
|
if(ndpi_str->callback_buffer_non_tcp_udp[a].func != NULL)
|
|
ndpi_str->callback_buffer_non_tcp_udp[a].func(ndpi_str, flow);
|
|
|
|
if(flow->detected_protocol_stack[0] != NDPI_PROTOCOL_UNKNOWN)
|
|
break; /* Stop after detecting the first protocol */
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void check_ndpi_udp_flow_func(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
NDPI_SELECTION_BITMASK_PROTOCOL_SIZE *ndpi_selection_packet) {
|
|
void *func = NULL;
|
|
u_int32_t a;
|
|
u_int16_t proto_index = ndpi_str->proto_defaults[flow->guessed_protocol_id].protoIdx;
|
|
int16_t proto_id = ndpi_str->proto_defaults[flow->guessed_protocol_id].protoId;
|
|
NDPI_PROTOCOL_BITMASK detection_bitmask;
|
|
|
|
NDPI_SAVE_AS_BITMASK(detection_bitmask, flow->packet.detected_protocol_stack[0]);
|
|
|
|
if((proto_id != NDPI_PROTOCOL_UNKNOWN)
|
|
&& NDPI_BITMASK_COMPARE(flow->excluded_protocol_bitmask,
|
|
ndpi_str->callback_buffer[proto_index].excluded_protocol_bitmask) == 0
|
|
&& NDPI_BITMASK_COMPARE(ndpi_str->callback_buffer[proto_index].detection_bitmask,
|
|
detection_bitmask) != 0
|
|
&& (ndpi_str->callback_buffer[proto_index].ndpi_selection_bitmask
|
|
& *ndpi_selection_packet) == ndpi_str->callback_buffer[proto_index].ndpi_selection_bitmask) {
|
|
if((flow->guessed_protocol_id != NDPI_PROTOCOL_UNKNOWN)
|
|
&& (ndpi_str->proto_defaults[flow->guessed_protocol_id].func != NULL))
|
|
ndpi_str->proto_defaults[flow->guessed_protocol_id].func(ndpi_str, flow),
|
|
func = ndpi_str->proto_defaults[flow->guessed_protocol_id].func;
|
|
}
|
|
|
|
for(a = 0; a < ndpi_str->callback_buffer_size_udp; a++) {
|
|
if((func != ndpi_str->callback_buffer_udp[a].func)
|
|
&& (ndpi_str->callback_buffer_udp[a].ndpi_selection_bitmask & *ndpi_selection_packet) ==
|
|
ndpi_str->callback_buffer_udp[a].ndpi_selection_bitmask
|
|
&& NDPI_BITMASK_COMPARE(flow->excluded_protocol_bitmask,
|
|
ndpi_str->callback_buffer_udp[a].excluded_protocol_bitmask) == 0
|
|
&& NDPI_BITMASK_COMPARE(ndpi_str->callback_buffer_udp[a].detection_bitmask,
|
|
detection_bitmask) != 0) {
|
|
ndpi_str->callback_buffer_udp[a].func(ndpi_str, flow);
|
|
|
|
// NDPI_LOG_DBG(ndpi_str, "[UDP,CALL] dissector of protocol as callback_buffer idx = %d\n",a);
|
|
if(flow->detected_protocol_stack[0] != NDPI_PROTOCOL_UNKNOWN)
|
|
break; /* Stop after detecting the first protocol */
|
|
} else
|
|
if(_ndpi_debug_callbacks) NDPI_LOG_DBG2(ndpi_str,
|
|
"[UDP,SKIP] dissector of protocol as callback_buffer idx = %d\n",a);
|
|
}
|
|
}
|
|
|
|
|
|
void check_ndpi_tcp_flow_func(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
NDPI_SELECTION_BITMASK_PROTOCOL_SIZE *ndpi_selection_packet) {
|
|
void *func = NULL;
|
|
u_int32_t a;
|
|
u_int16_t proto_index = ndpi_str->proto_defaults[flow->guessed_protocol_id].protoIdx;
|
|
int16_t proto_id = ndpi_str->proto_defaults[flow->guessed_protocol_id].protoId;
|
|
NDPI_PROTOCOL_BITMASK detection_bitmask;
|
|
|
|
NDPI_SAVE_AS_BITMASK(detection_bitmask, flow->packet.detected_protocol_stack[0]);
|
|
|
|
if(flow->packet.payload_packet_len != 0) {
|
|
if((proto_id != NDPI_PROTOCOL_UNKNOWN)
|
|
&& NDPI_BITMASK_COMPARE(flow->excluded_protocol_bitmask,
|
|
ndpi_str->callback_buffer[proto_index].excluded_protocol_bitmask) == 0
|
|
&& NDPI_BITMASK_COMPARE(ndpi_str->callback_buffer[proto_index].detection_bitmask, detection_bitmask) != 0
|
|
&& (ndpi_str->callback_buffer[proto_index].ndpi_selection_bitmask & *ndpi_selection_packet) == ndpi_str->callback_buffer[proto_index].ndpi_selection_bitmask) {
|
|
if((flow->guessed_protocol_id != NDPI_PROTOCOL_UNKNOWN)
|
|
&& (ndpi_str->proto_defaults[flow->guessed_protocol_id].func != NULL))
|
|
ndpi_str->proto_defaults[flow->guessed_protocol_id].func(ndpi_str, flow),
|
|
func = ndpi_str->proto_defaults[flow->guessed_protocol_id].func;
|
|
}
|
|
|
|
if(flow->detected_protocol_stack[0] == NDPI_PROTOCOL_UNKNOWN) {
|
|
for(a = 0; a < ndpi_str->callback_buffer_size_tcp_payload; a++) {
|
|
if((func != ndpi_str->callback_buffer_tcp_payload[a].func)
|
|
&& (ndpi_str->callback_buffer_tcp_payload[a].ndpi_selection_bitmask & *ndpi_selection_packet) == ndpi_str->callback_buffer_tcp_payload[a].ndpi_selection_bitmask
|
|
&& NDPI_BITMASK_COMPARE(flow->excluded_protocol_bitmask,
|
|
ndpi_str->callback_buffer_tcp_payload[a].excluded_protocol_bitmask) == 0
|
|
&& NDPI_BITMASK_COMPARE(ndpi_str->callback_buffer_tcp_payload[a].detection_bitmask,
|
|
detection_bitmask) != 0) {
|
|
ndpi_str->callback_buffer_tcp_payload[a].func(ndpi_str, flow);
|
|
|
|
if(flow->detected_protocol_stack[0] != NDPI_PROTOCOL_UNKNOWN)
|
|
break; /* Stop after detecting the first protocol */
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
/* no payload */
|
|
if((proto_id != NDPI_PROTOCOL_UNKNOWN)
|
|
&& NDPI_BITMASK_COMPARE(flow->excluded_protocol_bitmask,
|
|
ndpi_str->callback_buffer[proto_index].excluded_protocol_bitmask) == 0
|
|
&& NDPI_BITMASK_COMPARE(ndpi_str->callback_buffer[proto_index].detection_bitmask,
|
|
detection_bitmask) != 0
|
|
&& (ndpi_str->callback_buffer[proto_index].ndpi_selection_bitmask
|
|
& *ndpi_selection_packet) == ndpi_str->callback_buffer[proto_index].ndpi_selection_bitmask) {
|
|
if((flow->guessed_protocol_id != NDPI_PROTOCOL_UNKNOWN)
|
|
&& (ndpi_str->proto_defaults[flow->guessed_protocol_id].func != NULL)
|
|
&& ((ndpi_str->callback_buffer[flow->guessed_protocol_id].ndpi_selection_bitmask & NDPI_SELECTION_BITMASK_PROTOCOL_HAS_PAYLOAD) == 0))
|
|
ndpi_str->proto_defaults[flow->guessed_protocol_id].func(ndpi_str, flow),
|
|
func = ndpi_str->proto_defaults[flow->guessed_protocol_id].func;
|
|
}
|
|
|
|
for(a = 0; a < ndpi_str->callback_buffer_size_tcp_no_payload; a++) {
|
|
if((func != ndpi_str->callback_buffer_tcp_payload[a].func)
|
|
&& (ndpi_str->callback_buffer_tcp_no_payload[a].ndpi_selection_bitmask & *ndpi_selection_packet) ==
|
|
ndpi_str->callback_buffer_tcp_no_payload[a].ndpi_selection_bitmask
|
|
&& NDPI_BITMASK_COMPARE(flow->excluded_protocol_bitmask,
|
|
ndpi_str->callback_buffer_tcp_no_payload[a].excluded_protocol_bitmask) == 0
|
|
&& NDPI_BITMASK_COMPARE(ndpi_str->callback_buffer_tcp_no_payload[a].detection_bitmask,
|
|
detection_bitmask) != 0) {
|
|
ndpi_str->callback_buffer_tcp_no_payload[a].func(ndpi_str, flow);
|
|
|
|
if(flow->detected_protocol_stack[0] != NDPI_PROTOCOL_UNKNOWN)
|
|
break; /* Stop after detecting the first protocol */
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
void ndpi_check_flow_func(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
NDPI_SELECTION_BITMASK_PROTOCOL_SIZE *ndpi_selection_packet) {
|
|
if(flow->packet.tcp != NULL)
|
|
check_ndpi_tcp_flow_func(ndpi_str, flow, ndpi_selection_packet);
|
|
else if(flow->packet.udp != NULL)
|
|
check_ndpi_udp_flow_func(ndpi_str, flow, ndpi_selection_packet);
|
|
else
|
|
check_ndpi_other_flow_func(ndpi_str, flow, ndpi_selection_packet);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
u_int16_t ndpi_guess_host_protocol_id(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow) {
|
|
u_int16_t ret = NDPI_PROTOCOL_UNKNOWN;
|
|
|
|
if(flow->packet.iph) {
|
|
struct in_addr addr;
|
|
|
|
addr.s_addr = flow->packet.iph->saddr;
|
|
|
|
/* guess host protocol */
|
|
ret = ndpi_network_ptree_match(ndpi_str, &addr);
|
|
|
|
if(ret == NDPI_PROTOCOL_UNKNOWN) {
|
|
addr.s_addr = flow->packet.iph->daddr;
|
|
ret = ndpi_network_ptree_match(ndpi_str, &addr);
|
|
}
|
|
}
|
|
|
|
return(ret);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
ndpi_protocol ndpi_detection_giveup(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
u_int8_t enable_guess,
|
|
u_int8_t *protocol_was_guessed) {
|
|
ndpi_protocol ret = { NDPI_PROTOCOL_UNKNOWN, NDPI_PROTOCOL_UNKNOWN, NDPI_PROTOCOL_CATEGORY_UNSPECIFIED };
|
|
|
|
*protocol_was_guessed = 0;
|
|
|
|
if(flow == NULL)
|
|
return(ret);
|
|
|
|
/* Init defaults */
|
|
ret.master_protocol = flow->detected_protocol_stack[1], ret.app_protocol = flow->detected_protocol_stack[0];
|
|
ret.category = flow->category;
|
|
|
|
/* Ensure that we don't change our mind if detection is already complete */
|
|
if((ret.master_protocol != NDPI_PROTOCOL_UNKNOWN) && (ret.app_protocol != NDPI_PROTOCOL_UNKNOWN))
|
|
return(ret);
|
|
|
|
/* TODO: add the remaining stage_XXXX protocols */
|
|
if(flow->detected_protocol_stack[0] == NDPI_PROTOCOL_UNKNOWN) {
|
|
u_int16_t guessed_protocol_id, guessed_host_protocol_id;
|
|
|
|
if(flow->guessed_protocol_id == NDPI_PROTOCOL_STUN)
|
|
goto check_stun_export;
|
|
else if((flow->guessed_protocol_id == NDPI_PROTOCOL_HANGOUT_DUO)
|
|
|| (flow->guessed_protocol_id == NDPI_PROTOCOL_MESSENGER)
|
|
|| (flow->guessed_protocol_id == NDPI_PROTOCOL_WHATSAPP_CALL))
|
|
ndpi_set_detected_protocol(ndpi_str, flow, flow->guessed_protocol_id, NDPI_PROTOCOL_UNKNOWN);
|
|
else if((flow->l4.tcp.tls_seen_client_cert == 1)
|
|
&& (flow->protos.stun_ssl.ssl.client_certificate[0] != '\0')) {
|
|
ndpi_set_detected_protocol(ndpi_str, flow, NDPI_PROTOCOL_TLS, NDPI_PROTOCOL_UNKNOWN);
|
|
} else {
|
|
if((flow->guessed_protocol_id == NDPI_PROTOCOL_UNKNOWN)
|
|
&& (flow->packet.l4_protocol == IPPROTO_TCP)
|
|
&& (flow->l4.tcp.tls_stage > 1))
|
|
flow->guessed_protocol_id = NDPI_PROTOCOL_TLS;
|
|
|
|
guessed_protocol_id = flow->guessed_protocol_id, guessed_host_protocol_id = flow->guessed_host_protocol_id;
|
|
|
|
if((guessed_host_protocol_id != NDPI_PROTOCOL_UNKNOWN)
|
|
&& ((flow->packet.l4_protocol == IPPROTO_UDP)
|
|
&& NDPI_ISSET(&flow->excluded_protocol_bitmask, guessed_host_protocol_id)
|
|
&& is_udp_guessable_protocol(guessed_host_protocol_id)
|
|
))
|
|
flow->guessed_host_protocol_id = guessed_host_protocol_id = NDPI_PROTOCOL_UNKNOWN;
|
|
|
|
/* Ignore guessed protocol if they have been discarded */
|
|
if((guessed_protocol_id != NDPI_PROTOCOL_UNKNOWN)
|
|
// && (guessed_host_protocol_id == NDPI_PROTOCOL_UNKNOWN)
|
|
&& (flow->packet.l4_protocol == IPPROTO_UDP)
|
|
&& NDPI_ISSET(&flow->excluded_protocol_bitmask, guessed_protocol_id)
|
|
&& is_udp_guessable_protocol(guessed_protocol_id))
|
|
flow->guessed_protocol_id = guessed_protocol_id = NDPI_PROTOCOL_UNKNOWN;
|
|
|
|
if((guessed_protocol_id != NDPI_PROTOCOL_UNKNOWN)
|
|
|| (guessed_host_protocol_id != NDPI_PROTOCOL_UNKNOWN)) {
|
|
if((guessed_protocol_id == 0)
|
|
&& (flow->protos.stun_ssl.stun.num_binding_requests > 0)
|
|
&& (flow->protos.stun_ssl.stun.num_processed_pkts > 0))
|
|
guessed_protocol_id = NDPI_PROTOCOL_STUN;
|
|
|
|
if(flow->host_server_name[0] != '\0') {
|
|
ndpi_protocol_match_result ret_match;
|
|
|
|
ndpi_match_host_subprotocol(ndpi_str, flow,
|
|
(char *)flow->host_server_name,
|
|
strlen((const char*)flow->host_server_name),
|
|
&ret_match,
|
|
NDPI_PROTOCOL_DNS);
|
|
|
|
if(ret_match.protocol_id != NDPI_PROTOCOL_UNKNOWN)
|
|
guessed_host_protocol_id = ret_match.protocol_id;
|
|
}
|
|
|
|
ndpi_int_change_protocol(ndpi_str, flow,
|
|
guessed_host_protocol_id,
|
|
guessed_protocol_id);
|
|
}
|
|
}
|
|
} else {
|
|
flow->detected_protocol_stack[1] = flow->guessed_protocol_id,
|
|
flow->detected_protocol_stack[0] = flow->guessed_host_protocol_id;
|
|
|
|
if(flow->detected_protocol_stack[1] == flow->detected_protocol_stack[0])
|
|
flow->detected_protocol_stack[1] = flow->guessed_host_protocol_id;
|
|
}
|
|
|
|
if((flow->detected_protocol_stack[0] == NDPI_PROTOCOL_UNKNOWN)
|
|
&& (flow->guessed_protocol_id == NDPI_PROTOCOL_STUN)) {
|
|
check_stun_export:
|
|
if(flow->protos.stun_ssl.stun.num_processed_pkts || flow->protos.stun_ssl.stun.num_udp_pkts) {
|
|
// if(/* (flow->protos.stun_ssl.stun.num_processed_pkts >= NDPI_MIN_NUM_STUN_DETECTION) */
|
|
ndpi_set_detected_protocol(ndpi_str, flow,
|
|
flow->guessed_host_protocol_id,
|
|
NDPI_PROTOCOL_STUN);
|
|
}
|
|
}
|
|
|
|
ret.master_protocol = flow->detected_protocol_stack[1], ret.app_protocol = flow->detected_protocol_stack[0];
|
|
|
|
if(ret.master_protocol == NDPI_PROTOCOL_STUN) {
|
|
if(ret.app_protocol == NDPI_PROTOCOL_FACEBOOK)
|
|
ret.app_protocol = NDPI_PROTOCOL_MESSENGER;
|
|
else if(ret.app_protocol == NDPI_PROTOCOL_GOOGLE) {
|
|
/*
|
|
As Google has recently introduced Duo,
|
|
we need to distinguish between it and hangout
|
|
thing that should be handled by the STUN dissector
|
|
*/
|
|
ret.app_protocol = NDPI_PROTOCOL_HANGOUT_DUO;
|
|
}
|
|
}
|
|
|
|
if(ret.app_protocol != NDPI_PROTOCOL_UNKNOWN)
|
|
ndpi_fill_protocol_category(ndpi_str, flow, &ret);
|
|
|
|
return(ret);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
void ndpi_process_extra_packet(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
const unsigned char *packet,
|
|
const unsigned short packetlen,
|
|
const u_int64_t current_tick_l,
|
|
struct ndpi_id_struct *src,
|
|
struct ndpi_id_struct *dst) {
|
|
if(flow == NULL)
|
|
return;
|
|
|
|
if(flow->server_id == NULL) flow->server_id = dst; /* Default */
|
|
|
|
/* need at least 20 bytes for ip header */
|
|
if(packetlen < 20) {
|
|
return;
|
|
}
|
|
|
|
flow->packet.tick_timestamp_l = current_tick_l;
|
|
flow->packet.tick_timestamp = (u_int32_t)(current_tick_l/ndpi_str->ticks_per_second);
|
|
|
|
/* parse packet */
|
|
flow->packet.iph = (struct ndpi_iphdr *)packet;
|
|
/* we are interested in ipv4 packet */
|
|
|
|
/* set up the packet headers for the extra packet function to use if it wants */
|
|
if(ndpi_init_packet_header(ndpi_str, flow, packetlen) != 0)
|
|
return;
|
|
|
|
/* detect traffic for tcp or udp only */
|
|
flow->src = src, flow->dst = dst;
|
|
ndpi_connection_tracking(ndpi_str, flow);
|
|
|
|
/* call the extra packet function (which may add more data/info to flow) */
|
|
if(flow->extra_packets_func) {
|
|
if((flow->extra_packets_func(ndpi_str, flow)) == 0)
|
|
flow->check_extra_packets = 0;
|
|
}
|
|
|
|
flow->num_extra_packets_checked++;
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
int ndpi_load_ip_category(struct ndpi_detection_module_struct *ndpi_str,
|
|
const char *ip_address_and_mask, ndpi_protocol_category_t category) {
|
|
patricia_node_t *node;
|
|
struct in_addr pin;
|
|
int bits = 32;
|
|
char *ptr;
|
|
char ipbuf[64];
|
|
|
|
strncpy(ipbuf, ip_address_and_mask, sizeof(ipbuf));
|
|
ipbuf[sizeof(ipbuf) - 1] = '\0';
|
|
|
|
ptr = strrchr(ipbuf, '/');
|
|
|
|
if(ptr) {
|
|
*(ptr++) = '\0';
|
|
if(atoi(ptr)>=0 && atoi(ptr)<=32)
|
|
bits = atoi(ptr);
|
|
}
|
|
|
|
if(inet_pton(AF_INET, ipbuf, &pin) != 1) {
|
|
NDPI_LOG_DBG2(ndpi_str, "Invalid ip/ip+netmask: %s\n", ip_address_and_mask);
|
|
return(-1);
|
|
}
|
|
|
|
if((node = add_to_ptree(ndpi_str->custom_categories.ipAddresses_shadow,
|
|
AF_INET, &pin, bits)) != NULL)
|
|
node->value.user_value = (int)category;
|
|
return(0);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
int ndpi_load_hostname_category(struct ndpi_detection_module_struct *ndpi_str,
|
|
const char *name_to_add, ndpi_protocol_category_t category) {
|
|
char *name;
|
|
|
|
if(name_to_add == NULL)
|
|
return(-1);
|
|
|
|
name = ndpi_strdup(name_to_add);
|
|
|
|
if(name == NULL)
|
|
return(-1);
|
|
|
|
#if 0
|
|
printf("===> %s() Loading %s as %u\n", __FUNCTION__, name, category);
|
|
#endif
|
|
|
|
#ifdef HAVE_HYPERSCAN
|
|
{
|
|
struct hs_list *h = (struct hs_list*)ndpi_malloc(sizeof(struct hs_list));
|
|
|
|
if(h) {
|
|
h->expression = name, h->id = (unsigned int)category;
|
|
h->next = ndpi_str->custom_categories.to_load;
|
|
ndpi_str->custom_categories.to_load = h;
|
|
ndpi_str->custom_categories.num_to_load++;
|
|
} else {
|
|
free(name);
|
|
return(-1);
|
|
}
|
|
}
|
|
#else
|
|
AC_PATTERN_t ac_pattern;
|
|
|
|
memset(&ac_pattern, 0, sizeof(ac_pattern));
|
|
|
|
if(ndpi_str->custom_categories.hostnames_shadow.ac_automa == NULL) {
|
|
free(name);
|
|
return(-1);
|
|
}
|
|
|
|
ac_pattern.astring = name, ac_pattern.length = strlen(ac_pattern.astring);
|
|
ac_pattern.rep.number = (int)category;
|
|
|
|
if(ac_automata_add(ndpi_str->custom_categories.hostnames_shadow.ac_automa, &ac_pattern) != ACERR_SUCCESS) {
|
|
free(name);
|
|
return(-1);
|
|
}
|
|
#endif
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
/* Loads an IP or name category */
|
|
int ndpi_load_category(struct ndpi_detection_module_struct *ndpi_struct,
|
|
const char *ip_or_name, ndpi_protocol_category_t category) {
|
|
int rv;
|
|
|
|
/* Try to load as IP address first */
|
|
rv = ndpi_load_ip_category(ndpi_struct, ip_or_name, category);
|
|
|
|
if(rv < 0) {
|
|
/* IP load failed, load as hostname */
|
|
rv = ndpi_load_hostname_category(ndpi_struct, ip_or_name, category);
|
|
}
|
|
|
|
return(rv);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
int ndpi_enable_loaded_categories(struct ndpi_detection_module_struct *ndpi_str) {
|
|
int i;
|
|
|
|
/* First add the nDPI known categories matches */
|
|
for(i=0; category_match[i].string_to_match != NULL; i++)
|
|
ndpi_load_category(ndpi_str, category_match[i].string_to_match, category_match[i].protocol_category);
|
|
|
|
#ifdef HAVE_HYPERSCAN
|
|
if(ndpi_str->custom_categories.num_to_load > 0) {
|
|
const char **expressions;
|
|
unsigned int *ids;
|
|
int rc;
|
|
struct hs_list *head = ndpi_str->custom_categories.to_load;
|
|
|
|
expressions = (const char**)ndpi_calloc(sizeof(char*),
|
|
ndpi_str->custom_categories.num_to_load+1);
|
|
if(!expressions) return(-1);
|
|
|
|
ids = (unsigned int*)ndpi_calloc(sizeof(unsigned int),
|
|
ndpi_str->custom_categories.num_to_load+1);
|
|
if(!ids) {
|
|
ndpi_free(expressions);
|
|
return(-1);
|
|
}
|
|
|
|
for(i=0; head != NULL; i++) {
|
|
#ifdef DEBUG
|
|
printf("[HS] Loading category %u for %s\n", head->id, head->expression);
|
|
#endif
|
|
expressions[i] = head->expression, ids[i] = head->id;
|
|
head = head->next;
|
|
}
|
|
|
|
if(i != ndpi_str->custom_categories.num_to_load){
|
|
ndpi_free(expressions);
|
|
return(-1);
|
|
}
|
|
|
|
free_hyperscan_memory(ndpi_str->custom_categories.hostnames);
|
|
ndpi_str->custom_categories.hostnames = (struct hs*)ndpi_malloc(sizeof(struct hs));
|
|
|
|
if(ndpi_str->custom_categories.hostnames == NULL) {
|
|
ndpi_free(expressions);
|
|
ndpi_free(ids);
|
|
return(-1); /* Failed */
|
|
}
|
|
|
|
rc = hyperscan_load_patterns(ndpi_str->custom_categories.hostnames,
|
|
ndpi_str->custom_categories.num_to_load,
|
|
expressions, ids);
|
|
ndpi_free(expressions), ndpi_free(ids);
|
|
|
|
head = ndpi_str->custom_categories.to_load;
|
|
while(head != NULL) {
|
|
struct hs_list *next = head->next;
|
|
|
|
ndpi_free(head->expression);
|
|
ndpi_free(head);
|
|
|
|
head = next;
|
|
}
|
|
|
|
ndpi_str->custom_categories.to_load = NULL;
|
|
ndpi_str->custom_categories.num_to_load = 0;
|
|
|
|
if(rc < 0) {
|
|
ndpi_free(ndpi_str->custom_categories.hostnames);
|
|
ndpi_str->custom_categories.hostnames = NULL;
|
|
}
|
|
}
|
|
#else
|
|
/* Free */
|
|
ac_automata_release((AC_AUTOMATA_t*)ndpi_str->custom_categories.hostnames.ac_automa, 1 /* free patterns strings memory */);
|
|
|
|
/* Finalize */
|
|
ac_automata_finalize((AC_AUTOMATA_t*)ndpi_str->custom_categories.hostnames_shadow.ac_automa);
|
|
|
|
/* Swap */
|
|
ndpi_str->custom_categories.hostnames.ac_automa = ndpi_str->custom_categories.hostnames_shadow.ac_automa;
|
|
|
|
/* Realloc */
|
|
ndpi_str->custom_categories.hostnames_shadow.ac_automa = ac_automata_init(ac_match_handler);
|
|
#endif
|
|
|
|
if(ndpi_str->custom_categories.ipAddresses != NULL)
|
|
ndpi_Destroy_Patricia((patricia_tree_t*)ndpi_str->custom_categories.ipAddresses,
|
|
free_ptree_data);
|
|
|
|
ndpi_str->custom_categories.ipAddresses = ndpi_str->custom_categories.ipAddresses_shadow;
|
|
ndpi_str->custom_categories.ipAddresses_shadow = ndpi_New_Patricia(32 /* IPv4 */);
|
|
|
|
ndpi_str->custom_categories.categories_loaded = 1;
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
int ndpi_fill_ip_protocol_category(struct ndpi_detection_module_struct *ndpi_str,
|
|
u_int32_t saddr,
|
|
u_int32_t daddr,
|
|
ndpi_protocol *ret) {
|
|
if(ndpi_str->custom_categories.categories_loaded) {
|
|
prefix_t prefix;
|
|
patricia_node_t *node;
|
|
|
|
if(saddr == 0)
|
|
node = NULL;
|
|
else {
|
|
/* Make sure all in network byte order otherwise compares wont work */
|
|
fill_prefix_v4(&prefix, (struct in_addr *)&saddr,
|
|
32, ((patricia_tree_t*)ndpi_str->protocols_ptree)->maxbits);
|
|
node = ndpi_patricia_search_best(ndpi_str->custom_categories.ipAddresses, &prefix);
|
|
}
|
|
|
|
if(!node) {
|
|
if(daddr != 0)
|
|
fill_prefix_v4(&prefix, (struct in_addr *)&daddr,
|
|
32, ((patricia_tree_t*)ndpi_str->protocols_ptree)->maxbits);
|
|
node = ndpi_patricia_search_best(ndpi_str->custom_categories.ipAddresses, &prefix);
|
|
}
|
|
|
|
if(node) {
|
|
ret->category = (ndpi_protocol_category_t)node->value.user_value;
|
|
return(1);
|
|
}
|
|
}
|
|
|
|
ret->category = ndpi_get_proto_category(ndpi_str, *ret);
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
void ndpi_fill_protocol_category(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
ndpi_protocol *ret) {
|
|
if(ndpi_str->custom_categories.categories_loaded) {
|
|
if(flow->guessed_header_category != NDPI_PROTOCOL_CATEGORY_UNSPECIFIED) {
|
|
flow->category = ret->category = flow->guessed_header_category;
|
|
return;
|
|
}
|
|
|
|
if(flow->host_server_name[0] != '\0') {
|
|
unsigned long id;
|
|
int rc = ndpi_match_custom_category(ndpi_str, (char *)flow->host_server_name,
|
|
strlen((char *)flow->host_server_name), &id);
|
|
|
|
if(rc == 0) {
|
|
flow->category = ret->category = (ndpi_protocol_category_t)id;
|
|
return;
|
|
}
|
|
}
|
|
|
|
if((flow->l4.tcp.tls_seen_client_cert == 1) && (flow->protos.stun_ssl.ssl.client_certificate[0] != '\0')) {
|
|
unsigned long id;
|
|
int rc = ndpi_match_custom_category(ndpi_str,
|
|
(char *)flow->protos.stun_ssl.ssl.client_certificate,
|
|
strlen(flow->protos.stun_ssl.ssl.client_certificate),
|
|
&id);
|
|
|
|
if(rc == 0) {
|
|
flow->category = ret->category = (ndpi_protocol_category_t)id;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
flow->category = ret->category = ndpi_get_proto_category(ndpi_str, *ret);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
static void ndpi_reset_packet_line_info(struct ndpi_packet_struct *packet) {
|
|
packet->parsed_lines = 0,
|
|
packet->empty_line_position_set = 0,
|
|
packet->host_line.ptr = NULL,
|
|
packet->host_line.len = 0,
|
|
packet->referer_line.ptr = NULL,
|
|
packet->referer_line.len = 0,
|
|
packet->content_line.ptr = NULL,
|
|
packet->content_line.len = 0,
|
|
packet->accept_line.ptr = NULL,
|
|
packet->accept_line.len = 0,
|
|
packet->user_agent_line.ptr = NULL,
|
|
packet->user_agent_line.len = 0,
|
|
packet->http_url_name.ptr = NULL,
|
|
packet->http_url_name.len = 0,
|
|
packet->http_encoding.ptr = NULL,
|
|
packet->http_encoding.len = 0,
|
|
packet->http_transfer_encoding.ptr = NULL,
|
|
packet->http_transfer_encoding.len = 0,
|
|
packet->http_contentlen.ptr = NULL,
|
|
packet->http_contentlen.len = 0,
|
|
packet->http_cookie.ptr = NULL,
|
|
packet->http_cookie.len = 0,
|
|
packet->http_origin.len = 0,
|
|
packet->http_origin.ptr = NULL,
|
|
packet->http_x_session_type.ptr = NULL,
|
|
packet->http_x_session_type.len = 0,
|
|
packet->server_line.ptr = NULL,
|
|
packet->server_line.len = 0,
|
|
packet->http_method.ptr = NULL,
|
|
packet->http_method.len = 0,
|
|
packet->http_response.ptr = NULL,
|
|
packet->http_response.len = 0,
|
|
packet->http_num_headers = 0;
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
ndpi_protocol ndpi_detection_process_packet(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
const unsigned char *packet,
|
|
const unsigned short packetlen,
|
|
const u_int64_t current_tick_l,
|
|
struct ndpi_id_struct *src,
|
|
struct ndpi_id_struct *dst) {
|
|
NDPI_SELECTION_BITMASK_PROTOCOL_SIZE ndpi_selection_packet;
|
|
u_int32_t a;
|
|
ndpi_protocol ret = { NDPI_PROTOCOL_UNKNOWN, NDPI_PROTOCOL_UNKNOWN, NDPI_PROTOCOL_CATEGORY_UNSPECIFIED };
|
|
|
|
if(ndpi_str->ndpi_log_level >= NDPI_LOG_TRACE)
|
|
NDPI_LOG(flow ? flow->detected_protocol_stack[0]:NDPI_PROTOCOL_UNKNOWN,
|
|
ndpi_str, NDPI_LOG_TRACE, "START packet processing\n");
|
|
|
|
if(flow == NULL)
|
|
return(ret);
|
|
else
|
|
ret.category = flow->category;
|
|
|
|
flow->num_processed_pkts++;
|
|
|
|
/* Init default */
|
|
ret.master_protocol = flow->detected_protocol_stack[1], ret.app_protocol = flow->detected_protocol_stack[0];
|
|
|
|
if(flow->server_id == NULL) flow->server_id = dst; /* Default */
|
|
|
|
if(flow->detected_protocol_stack[0] != NDPI_PROTOCOL_UNKNOWN) {
|
|
if(flow->check_extra_packets) {
|
|
ndpi_process_extra_packet(ndpi_str, flow, packet, packetlen, current_tick_l, src, dst);
|
|
/* Update in case of new match */
|
|
ret.master_protocol = flow->detected_protocol_stack[1], ret.app_protocol = flow->detected_protocol_stack[0];
|
|
return(ret);
|
|
} else
|
|
goto ret_protocols;
|
|
}
|
|
|
|
/* need at least 20 bytes for ip header */
|
|
if(packetlen < 20) {
|
|
/* reset protocol which is normally done in init_packet_header */
|
|
ndpi_int_reset_packet_protocol(&flow->packet);
|
|
goto invalidate_ptr;
|
|
}
|
|
|
|
flow->packet.tick_timestamp_l = current_tick_l;
|
|
flow->packet.tick_timestamp = (u_int32_t)(current_tick_l/ndpi_str->ticks_per_second);
|
|
|
|
/* parse packet */
|
|
flow->packet.iph = (struct ndpi_iphdr *)packet;
|
|
/* we are interested in ipv4 packet */
|
|
|
|
if(ndpi_init_packet_header(ndpi_str, flow, packetlen) != 0)
|
|
goto invalidate_ptr;
|
|
|
|
/* detect traffic for tcp or udp only */
|
|
flow->src = src, flow->dst = dst;
|
|
|
|
ndpi_connection_tracking(ndpi_str, flow);
|
|
|
|
/* build ndpi_selection packet bitmask */
|
|
ndpi_selection_packet = NDPI_SELECTION_BITMASK_PROTOCOL_COMPLETE_TRAFFIC;
|
|
if(flow->packet.iph != NULL)
|
|
ndpi_selection_packet |= NDPI_SELECTION_BITMASK_PROTOCOL_IP | NDPI_SELECTION_BITMASK_PROTOCOL_IPV4_OR_IPV6;
|
|
|
|
if(flow->packet.tcp != NULL)
|
|
ndpi_selection_packet |=
|
|
(NDPI_SELECTION_BITMASK_PROTOCOL_INT_TCP | NDPI_SELECTION_BITMASK_PROTOCOL_INT_TCP_OR_UDP);
|
|
|
|
if(flow->packet.udp != NULL)
|
|
ndpi_selection_packet |=
|
|
(NDPI_SELECTION_BITMASK_PROTOCOL_INT_UDP | NDPI_SELECTION_BITMASK_PROTOCOL_INT_TCP_OR_UDP);
|
|
|
|
if(flow->packet.payload_packet_len != 0)
|
|
ndpi_selection_packet |= NDPI_SELECTION_BITMASK_PROTOCOL_HAS_PAYLOAD;
|
|
|
|
if(flow->packet.tcp_retransmission == 0)
|
|
ndpi_selection_packet |= NDPI_SELECTION_BITMASK_PROTOCOL_NO_TCP_RETRANSMISSION;
|
|
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
if(flow->packet.iphv6 != NULL)
|
|
ndpi_selection_packet |= NDPI_SELECTION_BITMASK_PROTOCOL_IPV6 | NDPI_SELECTION_BITMASK_PROTOCOL_IPV4_OR_IPV6;
|
|
#endif /* NDPI_DETECTION_SUPPORT_IPV6 */
|
|
|
|
if((!flow->protocol_id_already_guessed)
|
|
&& (
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
flow->packet.iphv6 ||
|
|
#endif
|
|
flow->packet.iph)) {
|
|
u_int16_t sport, dport;
|
|
u_int8_t protocol;
|
|
u_int8_t user_defined_proto;
|
|
|
|
flow->protocol_id_already_guessed = 1;
|
|
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
if(flow->packet.iphv6 != NULL) {
|
|
protocol = flow->packet.iphv6->ip6_hdr.ip6_un1_nxt;
|
|
} else
|
|
#endif
|
|
{
|
|
protocol = flow->packet.iph->protocol;
|
|
}
|
|
|
|
if(flow->packet.udp) sport = ntohs(flow->packet.udp->source), dport = ntohs(flow->packet.udp->dest);
|
|
else if(flow->packet.tcp) sport = ntohs(flow->packet.tcp->source), dport = ntohs(flow->packet.tcp->dest);
|
|
else sport = dport = 0;
|
|
|
|
/* guess protocol */
|
|
flow->guessed_protocol_id = (int16_t)ndpi_guess_protocol_id(ndpi_str, flow, protocol, sport, dport, &user_defined_proto);
|
|
flow->guessed_host_protocol_id = ndpi_guess_host_protocol_id(ndpi_str, flow);
|
|
|
|
if(ndpi_str->custom_categories.categories_loaded && flow->packet.iph) {
|
|
ndpi_fill_ip_protocol_category(ndpi_str, flow->packet.iph->saddr, flow->packet.iph->daddr, &ret);
|
|
flow->guessed_header_category = ret.category;
|
|
} else
|
|
flow->guessed_header_category = NDPI_PROTOCOL_CATEGORY_UNSPECIFIED;
|
|
|
|
if(flow->guessed_protocol_id > NDPI_MAX_SUPPORTED_PROTOCOLS) {
|
|
/* This is a custom protocol and it has priority over everything else */
|
|
ret.master_protocol = NDPI_PROTOCOL_UNKNOWN,
|
|
ret.app_protocol = flow->guessed_protocol_id ? flow->guessed_protocol_id : flow->guessed_host_protocol_id;
|
|
ndpi_fill_protocol_category(ndpi_str, flow, &ret);
|
|
goto invalidate_ptr;
|
|
}
|
|
|
|
if(user_defined_proto && flow->guessed_protocol_id != NDPI_PROTOCOL_UNKNOWN) {
|
|
if(flow->packet.iph) {
|
|
if(flow->guessed_host_protocol_id != NDPI_PROTOCOL_UNKNOWN) {
|
|
u_int8_t protocol_was_guessed;
|
|
|
|
/* ret.master_protocol = flow->guessed_protocol_id , ret.app_protocol = flow->guessed_host_protocol_id; /\* ****** *\/ */
|
|
ret = ndpi_detection_giveup(ndpi_str, flow, 0, &protocol_was_guessed);
|
|
}
|
|
|
|
ndpi_fill_protocol_category(ndpi_str, flow, &ret);
|
|
goto invalidate_ptr;
|
|
}
|
|
} else {
|
|
/* guess host protocol */
|
|
if(flow->packet.iph) {
|
|
struct in_addr addr;
|
|
|
|
addr.s_addr = flow->packet.iph->saddr;
|
|
flow->guessed_host_protocol_id = ndpi_network_ptree_match(ndpi_str, &addr);
|
|
|
|
if(flow->guessed_host_protocol_id == NDPI_PROTOCOL_UNKNOWN) {
|
|
addr.s_addr = flow->packet.iph->daddr;
|
|
flow->guessed_host_protocol_id = ndpi_network_ptree_match(ndpi_str, &addr);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(flow->guessed_host_protocol_id > NDPI_MAX_SUPPORTED_PROTOCOLS) {
|
|
/* This is a custom protocol and it has priority over everything else */
|
|
ret.master_protocol = NDPI_PROTOCOL_UNKNOWN, ret.app_protocol = flow->guessed_host_protocol_id;
|
|
|
|
if(flow->packet.tcp && (ret.master_protocol == NDPI_PROTOCOL_UNKNOWN)) {
|
|
/* Minimal guess for HTTP/SSL-based protocols */
|
|
int i;
|
|
|
|
for(i=0; i<2; i++) {
|
|
u_int16_t port = (i == 0) ? ntohs(flow->packet.tcp->dest) : ntohs(flow->packet.tcp->source);
|
|
|
|
switch(port) {
|
|
case 80:
|
|
ret.master_protocol = NDPI_PROTOCOL_HTTP;
|
|
break;
|
|
case 443:
|
|
ret.master_protocol = NDPI_PROTOCOL_TLS; /* QUIC could also match */
|
|
break;
|
|
}
|
|
|
|
if(ret.master_protocol != NDPI_PROTOCOL_UNKNOWN)
|
|
break;
|
|
}
|
|
}
|
|
|
|
ndpi_check_flow_func(ndpi_str, flow, &ndpi_selection_packet);
|
|
ndpi_fill_protocol_category(ndpi_str, flow, &ret);
|
|
goto invalidate_ptr;
|
|
}
|
|
|
|
ndpi_check_flow_func(ndpi_str, flow, &ndpi_selection_packet);
|
|
|
|
a = flow->packet.detected_protocol_stack[0];
|
|
if(NDPI_COMPARE_PROTOCOL_TO_BITMASK(ndpi_str->detection_bitmask, a) == 0)
|
|
a = NDPI_PROTOCOL_UNKNOWN;
|
|
|
|
if(a != NDPI_PROTOCOL_UNKNOWN) {
|
|
int i;
|
|
|
|
for(i=0; i<sizeof(flow->host_server_name); i++) {
|
|
if(flow->host_server_name[i] != '\0')
|
|
flow->host_server_name[i] = tolower(flow->host_server_name[i]);
|
|
else {
|
|
flow->host_server_name[i] ='\0';
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
ret_protocols:
|
|
if(flow->detected_protocol_stack[1] != NDPI_PROTOCOL_UNKNOWN) {
|
|
ret.master_protocol = flow->detected_protocol_stack[1], ret.app_protocol = flow->detected_protocol_stack[0];
|
|
|
|
if(ret.app_protocol == ret.master_protocol)
|
|
ret.master_protocol = NDPI_PROTOCOL_UNKNOWN;
|
|
} else
|
|
ret.app_protocol = flow->detected_protocol_stack[0];
|
|
|
|
/* Don't overwrite the category if already set */
|
|
if(flow->category == NDPI_PROTOCOL_CATEGORY_UNSPECIFIED)
|
|
ndpi_fill_protocol_category(ndpi_str, flow, &ret);
|
|
else
|
|
ret.category = flow->category;
|
|
|
|
if((flow->num_processed_pkts == 1)
|
|
&& (ret.master_protocol == NDPI_PROTOCOL_UNKNOWN)
|
|
&& (ret.app_protocol == NDPI_PROTOCOL_UNKNOWN)
|
|
&& flow->packet.tcp
|
|
&& (flow->packet.tcp->syn == 0)
|
|
&& (flow->guessed_protocol_id == 0)
|
|
) {
|
|
u_int8_t protocol_was_guessed;
|
|
|
|
/*
|
|
This is a TCP flow
|
|
- whose first packet is NOT a SYN
|
|
- no protocol has been detected
|
|
|
|
We don't see how future packets can match anything
|
|
hence we giveup here
|
|
*/
|
|
ret = ndpi_detection_giveup(ndpi_str, flow, 0, &protocol_was_guessed);
|
|
}
|
|
|
|
invalidate_ptr:
|
|
/*
|
|
Invalidate packet memory to avoid accessing the pointers below
|
|
when the packet is no longer accessible
|
|
*/
|
|
flow->packet.iph = NULL, flow->packet.tcp = NULL, flow->packet.udp = NULL, flow->packet.payload = NULL;
|
|
ndpi_reset_packet_line_info(&flow->packet);
|
|
|
|
return(ret);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
u_int32_t ndpi_bytestream_to_number(const u_int8_t * str, u_int16_t max_chars_to_read, u_int16_t * bytes_read)
|
|
{
|
|
u_int32_t val;
|
|
val = 0;
|
|
|
|
// cancel if eof, ' ' or line end chars are reached
|
|
while(*str >= '0' && *str <= '9' && max_chars_to_read > 0) {
|
|
val *= 10;
|
|
val += *str - '0';
|
|
str++;
|
|
max_chars_to_read = max_chars_to_read - 1;
|
|
*bytes_read = *bytes_read + 1;
|
|
}
|
|
|
|
return(val);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
#ifdef CODE_UNUSED
|
|
u_int32_t ndpi_bytestream_dec_or_hex_to_number(const u_int8_t * str, u_int16_t max_chars_to_read,
|
|
u_int16_t * bytes_read) {
|
|
u_int32_t val;
|
|
val = 0;
|
|
if(max_chars_to_read <= 2 || str[0] != '0' || str[1] != 'x') {
|
|
return(ndpi_bytestream_to_number(str, max_chars_to_read, bytes_read));
|
|
} else {
|
|
/*use base 16 system */
|
|
str += 2;
|
|
max_chars_to_read -= 2;
|
|
*bytes_read = *bytes_read + 2;
|
|
|
|
while(max_chars_to_read > 0) {
|
|
if(*str >= '0' && *str <= '9') {
|
|
val *= 16;
|
|
val += *str - '0';
|
|
} else if(*str >= 'a' && *str <= 'f') {
|
|
val *= 16;
|
|
val += *str + 10 - 'a';
|
|
} else if(*str >= 'A' && *str <= 'F') {
|
|
val *= 16;
|
|
val += *str + 10 - 'A';
|
|
} else {
|
|
break;
|
|
}
|
|
str++;
|
|
max_chars_to_read = max_chars_to_read - 1;
|
|
*bytes_read = *bytes_read + 1;
|
|
}
|
|
}
|
|
|
|
return(val);
|
|
}
|
|
|
|
#endif
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
u_int64_t ndpi_bytestream_to_number64(const u_int8_t * str, u_int16_t max_chars_to_read,
|
|
u_int16_t * bytes_read) {
|
|
u_int64_t val;
|
|
val = 0;
|
|
// cancel if eof, ' ' or line end chars are reached
|
|
while(max_chars_to_read > 0 && *str >= '0' && *str <= '9') {
|
|
val *= 10;
|
|
val += *str - '0';
|
|
str++;
|
|
max_chars_to_read = max_chars_to_read - 1;
|
|
*bytes_read = *bytes_read + 1;
|
|
}
|
|
return(val);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
u_int64_t ndpi_bytestream_dec_or_hex_to_number64(const u_int8_t * str, u_int16_t max_chars_to_read, u_int16_t * bytes_read)
|
|
{
|
|
u_int64_t val;
|
|
val = 0;
|
|
if(max_chars_to_read <= 2 || str[0] != '0' || str[1] != 'x') {
|
|
return(ndpi_bytestream_to_number64(str, max_chars_to_read, bytes_read));
|
|
} else {
|
|
/*use base 16 system */
|
|
str += 2;
|
|
max_chars_to_read -= 2;
|
|
*bytes_read = *bytes_read + 2;
|
|
while(max_chars_to_read > 0) {
|
|
|
|
if(*str >= '0' && *str <= '9') {
|
|
val *= 16;
|
|
val += *str - '0';
|
|
} else if(*str >= 'a' && *str <= 'f') {
|
|
val *= 16;
|
|
val += *str + 10 - 'a';
|
|
} else if(*str >= 'A' && *str <= 'F') {
|
|
val *= 16;
|
|
val += *str + 10 - 'A';
|
|
} else {
|
|
break;
|
|
}
|
|
str++;
|
|
max_chars_to_read = max_chars_to_read - 1;
|
|
*bytes_read = *bytes_read + 1;
|
|
}
|
|
}
|
|
return(val);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
u_int32_t ndpi_bytestream_to_ipv4(const u_int8_t * str, u_int16_t max_chars_to_read, u_int16_t * bytes_read)
|
|
{
|
|
u_int32_t val;
|
|
u_int16_t read = 0;
|
|
u_int16_t oldread;
|
|
u_int32_t c;
|
|
/* ip address must be X.X.X.X with each X between 0 and 255 */
|
|
oldread = read;
|
|
c = ndpi_bytestream_to_number(str, max_chars_to_read, &read);
|
|
if(c > 255 || oldread == read || max_chars_to_read == read || str[read] != '.')
|
|
return(0);
|
|
read++;
|
|
val = c << 24;
|
|
oldread = read;
|
|
c = ndpi_bytestream_to_number(&str[read], max_chars_to_read - read, &read);
|
|
if(c > 255 || oldread == read || max_chars_to_read == read || str[read] != '.')
|
|
return(0);
|
|
read++;
|
|
val = val + (c << 16);
|
|
oldread = read;
|
|
c = ndpi_bytestream_to_number(&str[read], max_chars_to_read - read, &read);
|
|
if(c > 255 || oldread == read || max_chars_to_read == read || str[read] != '.')
|
|
return(0);
|
|
read++;
|
|
val = val + (c << 8);
|
|
oldread = read;
|
|
c = ndpi_bytestream_to_number(&str[read], max_chars_to_read - read, &read);
|
|
if(c > 255 || oldread == read || max_chars_to_read == read)
|
|
return(0);
|
|
val = val + c;
|
|
|
|
*bytes_read = *bytes_read + read;
|
|
|
|
return(htonl(val));
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
/* internal function for every detection to parse one packet and to increase the info buffer */
|
|
void ndpi_parse_packet_line_info(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow)
|
|
{
|
|
u_int32_t a;
|
|
struct ndpi_packet_struct *packet = &flow->packet;
|
|
|
|
if(packet->packet_lines_parsed_complete != 0)
|
|
return;
|
|
|
|
packet->packet_lines_parsed_complete = 1;
|
|
ndpi_reset_packet_line_info(packet);
|
|
|
|
if((packet->payload_packet_len < 3)
|
|
|| (packet->payload == NULL))
|
|
return;
|
|
|
|
packet->line[packet->parsed_lines].ptr = packet->payload;
|
|
packet->line[packet->parsed_lines].len = 0;
|
|
|
|
for(a = 0; (a < packet->payload_packet_len)
|
|
&& (packet->parsed_lines < NDPI_MAX_PARSE_LINES_PER_PACKET); a++) {
|
|
if((a + 1) == packet->payload_packet_len)
|
|
return; /* Return if only one byte remains (prevent invalid reads past end-of-buffer) */
|
|
|
|
if(get_u_int16_t(packet->payload, a) == ntohs(0x0d0a)) { /* If end of line char sequence CR+NL "\r\n", process line */
|
|
packet->line[packet->parsed_lines].len = (u_int16_t)(((unsigned long) &packet->payload[a]) - ((unsigned long) packet->line[packet->parsed_lines].ptr));
|
|
|
|
/* First line of a HTTP response parsing. Expected a "HTTP/1.? ???" */
|
|
if(packet->parsed_lines == 0 && packet->line[0].len >= NDPI_STATICSTRING_LEN("HTTP/1.X 200 ") &&
|
|
strncasecmp((const char *)packet->line[0].ptr, "HTTP/1.", NDPI_STATICSTRING_LEN("HTTP/1.")) == 0 &&
|
|
packet->line[0].ptr[NDPI_STATICSTRING_LEN("HTTP/1.X ")] > '0' && /* response code between 000 and 699 */
|
|
packet->line[0].ptr[NDPI_STATICSTRING_LEN("HTTP/1.X ")] < '6') {
|
|
packet->http_response.ptr = &packet->line[0].ptr[NDPI_STATICSTRING_LEN("HTTP/1.1 ")];
|
|
packet->http_response.len = packet->line[0].len - NDPI_STATICSTRING_LEN("HTTP/1.1 ");
|
|
packet->http_num_headers++;
|
|
|
|
/* Set server HTTP response code */
|
|
if(packet->payload_packet_len >= 12) {
|
|
char buf[4];
|
|
|
|
/* Set server HTTP response code */
|
|
strncpy(buf, (char*)&packet->payload[9], 3);
|
|
buf[3] = '\0';
|
|
|
|
flow->http.response_status_code = atoi(buf);
|
|
/* https://en.wikipedia.org/wiki/List_of_HTTP_status_codes */
|
|
if((flow->http.response_status_code < 100) || (flow->http.response_status_code > 509))
|
|
flow->http.response_status_code = 0; /* Out of range */
|
|
}
|
|
}
|
|
|
|
/* "Server:" header line in HTTP response */
|
|
if(packet->line[packet->parsed_lines].len > NDPI_STATICSTRING_LEN("Server:") + 1
|
|
&& strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Server:", NDPI_STATICSTRING_LEN("Server:")) == 0) {
|
|
// some stupid clients omit a space and place the servername directly after the colon
|
|
if(packet->line[packet->parsed_lines].ptr[NDPI_STATICSTRING_LEN("Server:")] == ' ') {
|
|
packet->server_line.ptr =
|
|
&packet->line[packet->parsed_lines].ptr[NDPI_STATICSTRING_LEN("Server:") + 1];
|
|
packet->server_line.len =
|
|
packet->line[packet->parsed_lines].len - (NDPI_STATICSTRING_LEN("Server:") + 1);
|
|
} else {
|
|
packet->server_line.ptr = &packet->line[packet->parsed_lines].ptr[NDPI_STATICSTRING_LEN("Server:")];
|
|
packet->server_line.len = packet->line[packet->parsed_lines].len - NDPI_STATICSTRING_LEN("Server:");
|
|
}
|
|
packet->http_num_headers++;
|
|
}
|
|
/* "Host:" header line in HTTP request */
|
|
if(packet->line[packet->parsed_lines].len > 6
|
|
&& strncasecmp((const char *)packet->line[packet->parsed_lines].ptr,
|
|
"Host:", 5) == 0) {
|
|
// some stupid clients omit a space and place the hostname directly after the colon
|
|
if(packet->line[packet->parsed_lines].ptr[5] == ' ') {
|
|
packet->host_line.ptr = &packet->line[packet->parsed_lines].ptr[6];
|
|
packet->host_line.len = packet->line[packet->parsed_lines].len - 6;
|
|
} else {
|
|
packet->host_line.ptr = &packet->line[packet->parsed_lines].ptr[5];
|
|
packet->host_line.len = packet->line[packet->parsed_lines].len - 5;
|
|
}
|
|
packet->http_num_headers++;
|
|
}
|
|
/* "X-Forwarded-For:" header line in HTTP request. Commonly used for HTTP proxies. */
|
|
if(packet->line[packet->parsed_lines].len > 17
|
|
&& strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "X-Forwarded-For:", 16) == 0) {
|
|
// some stupid clients omit a space and place the hostname directly after the colon
|
|
if(packet->line[packet->parsed_lines].ptr[16] == ' ') {
|
|
packet->forwarded_line.ptr = &packet->line[packet->parsed_lines].ptr[17];
|
|
packet->forwarded_line.len = packet->line[packet->parsed_lines].len - 17;
|
|
} else {
|
|
packet->forwarded_line.ptr = &packet->line[packet->parsed_lines].ptr[16];
|
|
packet->forwarded_line.len = packet->line[packet->parsed_lines].len - 16;
|
|
}
|
|
packet->http_num_headers++;
|
|
}
|
|
/* "Content-Type:" header line in HTTP. */
|
|
if(packet->line[packet->parsed_lines].len > 14
|
|
&& (strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Content-Type: ", 14) == 0
|
|
|| strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Content-type: ", 14) == 0)) {
|
|
packet->content_line.ptr = &packet->line[packet->parsed_lines].ptr[14];
|
|
packet->content_line.len = packet->line[packet->parsed_lines].len - 14;
|
|
|
|
while((packet->content_line.len > 0) && (packet->content_line.ptr[0] == ' '))
|
|
packet->content_line.len--, packet->content_line.ptr++;
|
|
|
|
packet->http_num_headers++;
|
|
}
|
|
/* "Content-Type:" header line in HTTP AGAIN. Probably a bogus response without space after ":" */
|
|
if((packet->content_line.len == 0)
|
|
&& (packet->line[packet->parsed_lines].len > 13)
|
|
&& (strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Content-type:", 13) == 0)) {
|
|
packet->content_line.ptr = &packet->line[packet->parsed_lines].ptr[13];
|
|
packet->content_line.len = packet->line[packet->parsed_lines].len - 13;
|
|
packet->http_num_headers++;
|
|
}
|
|
|
|
if(packet->content_line.len > 0) {
|
|
/* application/json; charset=utf-8 */
|
|
char separator[] = { ';', '\r', '\0' };
|
|
int i;
|
|
|
|
for(i=0; separator[i] != '\0'; i++) {
|
|
char *c = memchr((char*)packet->content_line.ptr, separator[i], packet->content_line.len);
|
|
|
|
if(c != NULL)
|
|
packet->content_line.len = c - (char*)packet->content_line.ptr;
|
|
}
|
|
}
|
|
|
|
/* "Accept:" header line in HTTP request. */
|
|
if(packet->line[packet->parsed_lines].len > 8
|
|
&& strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Accept: ", 8) == 0) {
|
|
packet->accept_line.ptr = &packet->line[packet->parsed_lines].ptr[8];
|
|
packet->accept_line.len = packet->line[packet->parsed_lines].len - 8;
|
|
packet->http_num_headers++;
|
|
}
|
|
/* "Referer:" header line in HTTP request. */
|
|
if(packet->line[packet->parsed_lines].len > 9
|
|
&& strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Referer: ", 9) == 0) {
|
|
packet->referer_line.ptr = &packet->line[packet->parsed_lines].ptr[9];
|
|
packet->referer_line.len = packet->line[packet->parsed_lines].len - 9;
|
|
packet->http_num_headers++;
|
|
}
|
|
/* "User-Agent:" header line in HTTP request. */
|
|
if(packet->line[packet->parsed_lines].len > 12
|
|
&& (strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "User-Agent: ", 12) == 0
|
|
|| strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "User-agent: ", 12) == 0)) {
|
|
packet->user_agent_line.ptr = &packet->line[packet->parsed_lines].ptr[12];
|
|
packet->user_agent_line.len = packet->line[packet->parsed_lines].len - 12;
|
|
packet->http_num_headers++;
|
|
}
|
|
/* "Content-Encoding:" header line in HTTP response (and request?). */
|
|
if(packet->line[packet->parsed_lines].len > 18
|
|
&& strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Content-Encoding: ", 18) == 0) {
|
|
packet->http_encoding.ptr = &packet->line[packet->parsed_lines].ptr[18];
|
|
packet->http_encoding.len = packet->line[packet->parsed_lines].len - 18;
|
|
packet->http_num_headers++;
|
|
}
|
|
/* "Transfer-Encoding:" header line in HTTP. */
|
|
if(packet->line[packet->parsed_lines].len > 19
|
|
&& strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Transfer-Encoding: ", 19) == 0) {
|
|
packet->http_transfer_encoding.ptr = &packet->line[packet->parsed_lines].ptr[19];
|
|
packet->http_transfer_encoding.len = packet->line[packet->parsed_lines].len - 19;
|
|
packet->http_num_headers++;
|
|
}
|
|
/* "Content-Length:" header line in HTTP. */
|
|
if(packet->line[packet->parsed_lines].len > 16
|
|
&& ((strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Content-Length: ", 16) == 0)
|
|
|| (strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "content-length: ", 16) == 0))) {
|
|
packet->http_contentlen.ptr = &packet->line[packet->parsed_lines].ptr[16];
|
|
packet->http_contentlen.len = packet->line[packet->parsed_lines].len - 16;
|
|
packet->http_num_headers++;
|
|
}
|
|
/* "Cookie:" header line in HTTP. */
|
|
if(packet->line[packet->parsed_lines].len > 8
|
|
&& strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Cookie: ", 8) == 0) {
|
|
packet->http_cookie.ptr = &packet->line[packet->parsed_lines].ptr[8];
|
|
packet->http_cookie.len = packet->line[packet->parsed_lines].len - 8;
|
|
packet->http_num_headers++;
|
|
}
|
|
/* "Origin:" header line in HTTP. */
|
|
if(packet->line[packet->parsed_lines].len > 8
|
|
&& strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Origin: ", 8) == 0) {
|
|
packet->http_origin.ptr = &packet->line[packet->parsed_lines].ptr[8];
|
|
packet->http_origin.len = packet->line[packet->parsed_lines].len - 8;
|
|
packet->http_num_headers++;
|
|
}
|
|
/* "X-Session-Type:" header line in HTTP. */
|
|
if(packet->line[packet->parsed_lines].len > 16
|
|
&& strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "X-Session-Type: ", 16) == 0) {
|
|
packet->http_x_session_type.ptr = &packet->line[packet->parsed_lines].ptr[16];
|
|
packet->http_x_session_type.len = packet->line[packet->parsed_lines].len - 16;
|
|
packet->http_num_headers++;
|
|
}
|
|
/* Identification and counting of other HTTP headers.
|
|
* We consider the most common headers, but there are many others,
|
|
* which can be seen at references below:
|
|
* - https://tools.ietf.org/html/rfc7230
|
|
* - https://en.wikipedia.org/wiki/List_of_HTTP_header_fields
|
|
*/
|
|
if((packet->line[packet->parsed_lines].len > 6 && ( strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Date: ", 6) == 0 ||
|
|
strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Vary: ", 6) == 0 ||
|
|
strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "ETag: ", 6) == 0 )) ||
|
|
(packet->line[packet->parsed_lines].len > 8 && strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Pragma: ", 8) == 0) ||
|
|
(packet->line[packet->parsed_lines].len > 9 && strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Expires: ", 9) == 0) ||
|
|
(packet->line[packet->parsed_lines].len > 12 && ( strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Set-Cookie: ", 12) == 0 ||
|
|
strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Keep-Alive: ", 12) == 0 ||
|
|
strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Connection: ", 12) == 0)) ||
|
|
(packet->line[packet->parsed_lines].len > 15 && ( strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Last-Modified: ", 15) == 0 ||
|
|
strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Accept-Ranges: ", 15) == 0)) ||
|
|
(packet->line[packet->parsed_lines].len > 17 && ( strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Accept-Language: ", 17) == 0 ||
|
|
strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Accept-Encoding: ", 17) == 0)) ||
|
|
(packet->line[packet->parsed_lines].len > 27 && strncasecmp((const char *)packet->line[packet->parsed_lines].ptr, "Upgrade-Insecure-Requests: ", 27) == 0)) {
|
|
/* Just count. In the future, if needed, this if can be splited to parse these headers */
|
|
packet->http_num_headers++;
|
|
}
|
|
|
|
|
|
if(packet->line[packet->parsed_lines].len == 0) {
|
|
packet->empty_line_position = a;
|
|
packet->empty_line_position_set = 1;
|
|
}
|
|
|
|
if(packet->parsed_lines >= (NDPI_MAX_PARSE_LINES_PER_PACKET - 1))
|
|
return;
|
|
|
|
packet->parsed_lines++;
|
|
packet->line[packet->parsed_lines].ptr = &packet->payload[a + 2];
|
|
packet->line[packet->parsed_lines].len = 0;
|
|
|
|
a++; /* next char in the payload */
|
|
}
|
|
}
|
|
|
|
if(packet->parsed_lines >= 1) {
|
|
packet->line[packet->parsed_lines].len
|
|
= (u_int16_t)(((unsigned long) &packet->payload[packet->payload_packet_len]) -
|
|
((unsigned long) packet->line[packet->parsed_lines].ptr));
|
|
packet->parsed_lines++;
|
|
}
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
void ndpi_parse_packet_line_info_any(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow)
|
|
{
|
|
struct ndpi_packet_struct *packet = &flow->packet;
|
|
u_int32_t a;
|
|
u_int16_t end = packet->payload_packet_len;
|
|
|
|
if(packet->packet_lines_parsed_complete != 0)
|
|
return;
|
|
|
|
packet->packet_lines_parsed_complete = 1;
|
|
packet->parsed_lines = 0;
|
|
|
|
if(packet->payload_packet_len == 0)
|
|
return;
|
|
|
|
packet->line[packet->parsed_lines].ptr = packet->payload;
|
|
packet->line[packet->parsed_lines].len = 0;
|
|
|
|
for(a = 0; a < end; a++) {
|
|
if(packet->payload[a] == 0x0a) {
|
|
packet->line[packet->parsed_lines].len = (u_int16_t)(
|
|
((unsigned long) &packet->payload[a]) -
|
|
((unsigned long) packet->line[packet->parsed_lines].ptr));
|
|
|
|
if(a > 0 && packet->payload[a-1] == 0x0d)
|
|
packet->line[packet->parsed_lines].len--;
|
|
|
|
if(packet->parsed_lines >= (NDPI_MAX_PARSE_LINES_PER_PACKET - 1))
|
|
break;
|
|
|
|
packet->parsed_lines++;
|
|
packet->line[packet->parsed_lines].ptr = &packet->payload[a + 1];
|
|
packet->line[packet->parsed_lines].len = 0;
|
|
|
|
if((a + 1) >= packet->payload_packet_len)
|
|
break;
|
|
|
|
//a++;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
u_int16_t ndpi_check_for_email_address(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow, u_int16_t counter)
|
|
{
|
|
|
|
struct ndpi_packet_struct *packet = &flow->packet;
|
|
|
|
NDPI_LOG_DBG2(ndpi_str, "called ndpi_check_for_email_address\n");
|
|
|
|
if(packet->payload_packet_len > counter && ((packet->payload[counter] >= 'a' && packet->payload[counter] <= 'z')
|
|
|| (packet->payload[counter] >= 'A' && packet->payload[counter] <= 'Z')
|
|
|| (packet->payload[counter] >= '0' && packet->payload[counter] <= '9')
|
|
|| packet->payload[counter] == '-' || packet->payload[counter] == '_')) {
|
|
NDPI_LOG_DBG2(ndpi_str, "first letter\n");
|
|
counter++;
|
|
while(packet->payload_packet_len > counter
|
|
&& ((packet->payload[counter] >= 'a' && packet->payload[counter] <= 'z')
|
|
|| (packet->payload[counter] >= 'A' && packet->payload[counter] <= 'Z')
|
|
|| (packet->payload[counter] >= '0' && packet->payload[counter] <= '9')
|
|
|| packet->payload[counter] == '-' || packet->payload[counter] == '_'
|
|
|| packet->payload[counter] == '.')) {
|
|
NDPI_LOG_DBG2(ndpi_str, "further letter\n");
|
|
counter++;
|
|
if(packet->payload_packet_len > counter && packet->payload[counter] == '@') {
|
|
NDPI_LOG_DBG2(ndpi_str, "@\n");
|
|
counter++;
|
|
while(packet->payload_packet_len > counter
|
|
&& ((packet->payload[counter] >= 'a' && packet->payload[counter] <= 'z')
|
|
|| (packet->payload[counter] >= 'A' && packet->payload[counter] <= 'Z')
|
|
|| (packet->payload[counter] >= '0' && packet->payload[counter] <= '9')
|
|
|| packet->payload[counter] == '-' || packet->payload[counter] == '_')) {
|
|
NDPI_LOG_DBG2(ndpi_str, "letter\n");
|
|
counter++;
|
|
if(packet->payload_packet_len > counter && packet->payload[counter] == '.') {
|
|
NDPI_LOG_DBG2(ndpi_str, ".\n");
|
|
counter++;
|
|
if(packet->payload_packet_len > counter + 1
|
|
&& ((packet->payload[counter] >= 'a' && packet->payload[counter] <= 'z')
|
|
&& (packet->payload[counter + 1] >= 'a' && packet->payload[counter + 1] <= 'z'))) {
|
|
NDPI_LOG_DBG2(ndpi_str, "two letters\n");
|
|
counter += 2;
|
|
if(packet->payload_packet_len > counter
|
|
&& (packet->payload[counter] == ' ' || packet->payload[counter] == ';')) {
|
|
NDPI_LOG_DBG2(ndpi_str, "whitespace1\n");
|
|
return(counter);
|
|
} else if(packet->payload_packet_len > counter && packet->payload[counter] >= 'a'
|
|
&& packet->payload[counter] <= 'z') {
|
|
NDPI_LOG_DBG2(ndpi_str, "one letter\n");
|
|
counter++;
|
|
if(packet->payload_packet_len > counter
|
|
&& (packet->payload[counter] == ' ' || packet->payload[counter] == ';')) {
|
|
NDPI_LOG_DBG2(ndpi_str, "whitespace2\n");
|
|
return(counter);
|
|
} else if(packet->payload_packet_len > counter && packet->payload[counter] >= 'a'
|
|
&& packet->payload[counter] <= 'z') {
|
|
counter++;
|
|
if(packet->payload_packet_len > counter
|
|
&& (packet->payload[counter] == ' ' || packet->payload[counter] == ';')) {
|
|
NDPI_LOG_DBG2(ndpi_str, "whitespace3\n");
|
|
return(counter);
|
|
} else {
|
|
return(0);
|
|
}
|
|
} else {
|
|
return(0);
|
|
}
|
|
} else {
|
|
return(0);
|
|
}
|
|
} else {
|
|
return(0);
|
|
}
|
|
}
|
|
}
|
|
return(0);
|
|
}
|
|
}
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
#ifdef NDPI_ENABLE_DEBUG_MESSAGES
|
|
/* ********************************************************************************* */
|
|
|
|
void ndpi_debug_get_last_log_function_line(struct ndpi_detection_module_struct
|
|
*ndpi_str, const char **file, const char **func, u_int32_t * line)
|
|
{
|
|
*file = "";
|
|
*func = "";
|
|
|
|
if(ndpi_str->ndpi_debug_print_file != NULL)
|
|
*file = ndpi_str->ndpi_debug_print_file;
|
|
|
|
if(ndpi_str->ndpi_debug_print_function != NULL)
|
|
*func = ndpi_str->ndpi_debug_print_function;
|
|
|
|
*line = ndpi_str->ndpi_debug_print_line;
|
|
}
|
|
#endif
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
u_int8_t ndpi_detection_get_l4(const u_int8_t * l3, u_int16_t l3_len,
|
|
const u_int8_t ** l4_return, u_int16_t * l4_len_return,
|
|
u_int8_t * l4_protocol_return, u_int32_t flags) {
|
|
return(ndpi_detection_get_l4_internal(NULL, l3, l3_len,
|
|
l4_return, l4_len_return, l4_protocol_return, flags));
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
void ndpi_set_detected_protocol(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
u_int16_t upper_detected_protocol,
|
|
u_int16_t lower_detected_protocol) {
|
|
struct ndpi_id_struct *src = flow->src, *dst = flow->dst;
|
|
|
|
ndpi_int_change_protocol(ndpi_str, flow, upper_detected_protocol, lower_detected_protocol);
|
|
|
|
if(src != NULL) {
|
|
NDPI_ADD_PROTOCOL_TO_BITMASK(src->detected_protocol_bitmask, upper_detected_protocol);
|
|
|
|
if(lower_detected_protocol != NDPI_PROTOCOL_UNKNOWN)
|
|
NDPI_ADD_PROTOCOL_TO_BITMASK(src->detected_protocol_bitmask, lower_detected_protocol);
|
|
}
|
|
|
|
if(dst != NULL) {
|
|
NDPI_ADD_PROTOCOL_TO_BITMASK(dst->detected_protocol_bitmask, upper_detected_protocol);
|
|
|
|
if(lower_detected_protocol != NDPI_PROTOCOL_UNKNOWN)
|
|
NDPI_ADD_PROTOCOL_TO_BITMASK(dst->detected_protocol_bitmask, lower_detected_protocol);
|
|
}
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
u_int16_t ndpi_get_flow_masterprotocol(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow) {
|
|
return(flow->detected_protocol_stack[1]);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
void ndpi_int_change_flow_protocol(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
u_int16_t upper_detected_protocol,
|
|
u_int16_t lower_detected_protocol) {
|
|
if(!flow) return;
|
|
|
|
flow->detected_protocol_stack[0] = upper_detected_protocol,
|
|
flow->detected_protocol_stack[1] = lower_detected_protocol;
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
void ndpi_int_change_packet_protocol(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
u_int16_t upper_detected_protocol,
|
|
u_int16_t lower_detected_protocol) {
|
|
struct ndpi_packet_struct *packet = &flow->packet;
|
|
/* NOTE: everything below is identically to change_flow_protocol
|
|
* except flow->packet If you want to change something here,
|
|
* don't! Change it for the flow function and apply it here
|
|
* as well */
|
|
|
|
if(!packet)
|
|
return;
|
|
|
|
packet->detected_protocol_stack[0] = upper_detected_protocol,
|
|
packet->detected_protocol_stack[1] = lower_detected_protocol;
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
/* generic function for changing the protocol
|
|
*
|
|
* what it does is:
|
|
* 1.update the flow protocol stack with the new protocol
|
|
* 2.update the packet protocol stack with the new protocol
|
|
*/
|
|
void ndpi_int_change_protocol(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
u_int16_t upper_detected_protocol,
|
|
u_int16_t lower_detected_protocol) {
|
|
if((upper_detected_protocol == NDPI_PROTOCOL_UNKNOWN)
|
|
&& (lower_detected_protocol != NDPI_PROTOCOL_UNKNOWN))
|
|
upper_detected_protocol = lower_detected_protocol;
|
|
|
|
if(upper_detected_protocol == lower_detected_protocol)
|
|
lower_detected_protocol = NDPI_PROTOCOL_UNKNOWN;
|
|
|
|
if((upper_detected_protocol != NDPI_PROTOCOL_UNKNOWN)
|
|
&& (lower_detected_protocol == NDPI_PROTOCOL_UNKNOWN)) {
|
|
if((flow->guessed_host_protocol_id != NDPI_PROTOCOL_UNKNOWN)
|
|
&& (upper_detected_protocol != flow->guessed_host_protocol_id)) {
|
|
if(ndpi_str->proto_defaults[upper_detected_protocol].can_have_a_subprotocol) {
|
|
lower_detected_protocol = upper_detected_protocol;
|
|
upper_detected_protocol = flow->guessed_host_protocol_id;
|
|
}
|
|
}
|
|
}
|
|
|
|
ndpi_int_change_flow_protocol(ndpi_str, flow,
|
|
upper_detected_protocol, lower_detected_protocol);
|
|
ndpi_int_change_packet_protocol(ndpi_str, flow,
|
|
upper_detected_protocol, lower_detected_protocol);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
void ndpi_int_change_category(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
ndpi_protocol_category_t protocol_category) {
|
|
flow->category = protocol_category;
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
/* turns a packet back to unknown */
|
|
void ndpi_int_reset_packet_protocol(struct ndpi_packet_struct *packet) {
|
|
int a;
|
|
|
|
for(a = 0; a < NDPI_PROTOCOL_SIZE; a++)
|
|
packet->detected_protocol_stack[a] = NDPI_PROTOCOL_UNKNOWN;
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
void ndpi_int_reset_protocol(struct ndpi_flow_struct *flow) {
|
|
if(flow) {
|
|
int a;
|
|
|
|
for(a = 0; a < NDPI_PROTOCOL_SIZE; a++)
|
|
flow->detected_protocol_stack[a] = NDPI_PROTOCOL_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
void NDPI_PROTOCOL_IP_clear(ndpi_ip_addr_t * ip) {
|
|
memset(ip, 0, sizeof(ndpi_ip_addr_t));
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
#ifdef CODE_UNUSED
|
|
/* NTOP */
|
|
int NDPI_PROTOCOL_IP_is_set(const ndpi_ip_addr_t * ip)
|
|
{
|
|
return(memcmp(ip, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", sizeof(ndpi_ip_addr_t)) != 0);
|
|
}
|
|
#endif
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
/* check if the source ip address in packet and ip are equal */
|
|
/* NTOP */
|
|
int ndpi_packet_src_ip_eql(const struct ndpi_packet_struct *packet, const ndpi_ip_addr_t * ip)
|
|
{
|
|
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
|
|
/* IPv6 */
|
|
if(packet->iphv6 != NULL) {
|
|
|
|
if(packet->iphv6->ip6_src.u6_addr.u6_addr32[0] == ip->ipv6.u6_addr.u6_addr32[0] &&
|
|
packet->iphv6->ip6_src.u6_addr.u6_addr32[1] == ip->ipv6.u6_addr.u6_addr32[1] &&
|
|
packet->iphv6->ip6_src.u6_addr.u6_addr32[2] == ip->ipv6.u6_addr.u6_addr32[2] &&
|
|
packet->iphv6->ip6_src.u6_addr.u6_addr32[3] == ip->ipv6.u6_addr.u6_addr32[3])
|
|
return(1);
|
|
//else
|
|
return(0);
|
|
}
|
|
#endif
|
|
|
|
/* IPv4 */
|
|
if(packet->iph->saddr == ip->ipv4)
|
|
return(1);
|
|
return(0);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
/* check if the destination ip address in packet and ip are equal */
|
|
int ndpi_packet_dst_ip_eql(const struct ndpi_packet_struct *packet, const ndpi_ip_addr_t * ip)
|
|
{
|
|
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
|
|
/* IPv6 */
|
|
if(packet->iphv6 != NULL) {
|
|
|
|
if(packet->iphv6->ip6_dst.u6_addr.u6_addr32[0] == ip->ipv6.u6_addr.u6_addr32[0] &&
|
|
packet->iphv6->ip6_dst.u6_addr.u6_addr32[1] == ip->ipv6.u6_addr.u6_addr32[1] &&
|
|
packet->iphv6->ip6_dst.u6_addr.u6_addr32[2] == ip->ipv6.u6_addr.u6_addr32[2] &&
|
|
packet->iphv6->ip6_dst.u6_addr.u6_addr32[3] == ip->ipv6.u6_addr.u6_addr32[3])
|
|
return(1);
|
|
//else
|
|
return(0);
|
|
}
|
|
#endif
|
|
|
|
/* IPv4 */
|
|
if(packet->iph->saddr == ip->ipv4)
|
|
return(1);
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
/* get the source ip address from packet and put it into ip */
|
|
/* NTOP */
|
|
void ndpi_packet_src_ip_get(const struct ndpi_packet_struct *packet, ndpi_ip_addr_t * ip)
|
|
{
|
|
NDPI_PROTOCOL_IP_clear(ip);
|
|
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
|
|
/* IPv6 */
|
|
if(packet->iphv6 != NULL) {
|
|
|
|
ip->ipv6.u6_addr.u6_addr32[0] = packet->iphv6->ip6_src.u6_addr.u6_addr32[0];
|
|
ip->ipv6.u6_addr.u6_addr32[1] = packet->iphv6->ip6_src.u6_addr.u6_addr32[1];
|
|
ip->ipv6.u6_addr.u6_addr32[2] = packet->iphv6->ip6_src.u6_addr.u6_addr32[2];
|
|
ip->ipv6.u6_addr.u6_addr32[3] = packet->iphv6->ip6_src.u6_addr.u6_addr32[3];
|
|
|
|
} else
|
|
#endif
|
|
|
|
/* IPv4 */
|
|
ip->ipv4 = packet->iph->saddr;
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
/* get the destination ip address from packet and put it into ip */
|
|
/* NTOP */
|
|
void ndpi_packet_dst_ip_get(const struct ndpi_packet_struct *packet, ndpi_ip_addr_t * ip)
|
|
{
|
|
NDPI_PROTOCOL_IP_clear(ip);
|
|
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
|
|
if(packet->iphv6 != NULL) {
|
|
|
|
ip->ipv6.u6_addr.u6_addr32[0] = packet->iphv6->ip6_dst.u6_addr.u6_addr32[0];
|
|
ip->ipv6.u6_addr.u6_addr32[1] = packet->iphv6->ip6_dst.u6_addr.u6_addr32[1];
|
|
ip->ipv6.u6_addr.u6_addr32[2] = packet->iphv6->ip6_dst.u6_addr.u6_addr32[2];
|
|
ip->ipv6.u6_addr.u6_addr32[3] = packet->iphv6->ip6_dst.u6_addr.u6_addr32[3];
|
|
|
|
} else
|
|
|
|
#endif
|
|
|
|
ip->ipv4 = packet->iph->daddr;
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
u_int8_t ndpi_is_ipv6(const ndpi_ip_addr_t *ip) {
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
return(ip->ipv6.u6_addr.u6_addr32[1] != 0 ||
|
|
ip->ipv6.u6_addr.u6_addr32[2] != 0 ||
|
|
ip->ipv6.u6_addr.u6_addr32[3] != 0);
|
|
#else
|
|
return(0);
|
|
#endif
|
|
}
|
|
|
|
/* ********************************************************************************* */
|
|
|
|
char *ndpi_get_ip_string(const ndpi_ip_addr_t * ip, char *buf, u_int buf_len) {
|
|
const u_int8_t *a = (const u_int8_t *) &ip->ipv4;
|
|
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
if(ndpi_is_ipv6(ip)) {
|
|
if(inet_ntop(AF_INET6, &ip->ipv6.u6_addr, buf, buf_len) == NULL)
|
|
buf[0] = '\0';
|
|
|
|
return(buf);
|
|
}
|
|
#endif
|
|
|
|
snprintf(buf, buf_len, "%u.%u.%u.%u", a[0], a[1], a[2], a[3]);
|
|
|
|
return(buf);
|
|
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
/* Returns -1 on failutre, otherwise fills parsed_ip and returns the IP version */
|
|
int ndpi_parse_ip_string(const char *ip_str, ndpi_ip_addr_t *parsed_ip) {
|
|
int rv = -1;
|
|
memset(parsed_ip, 0, sizeof(*parsed_ip));
|
|
|
|
if(strchr(ip_str, '.')) {
|
|
if(inet_pton(AF_INET, ip_str, &parsed_ip->ipv4) > 0)
|
|
rv = 4;
|
|
#ifdef NDPI_DETECTION_SUPPORT_IPV6
|
|
} else {
|
|
if(inet_pton(AF_INET6, ip_str, &parsed_ip->ipv6) > 0)
|
|
rv = 6;
|
|
#endif
|
|
}
|
|
|
|
return(rv);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
u_int16_t ntohs_ndpi_bytestream_to_number(const u_int8_t * str,
|
|
u_int16_t max_chars_to_read,
|
|
u_int16_t * bytes_read) {
|
|
u_int16_t val = ndpi_bytestream_to_number(str, max_chars_to_read, bytes_read);
|
|
return(ntohs(val));
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
u_int8_t ndpi_is_proto(ndpi_protocol proto, u_int16_t p) {
|
|
return(((proto.app_protocol == p) || (proto.master_protocol == p)) ? 1 : 0);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
u_int16_t ndpi_get_lower_proto(ndpi_protocol proto) {
|
|
return((proto.master_protocol != NDPI_PROTOCOL_UNKNOWN) ? proto.master_protocol : proto.app_protocol);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
ndpi_protocol ndpi_guess_undetected_protocol(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
u_int8_t proto,
|
|
u_int32_t shost /* host byte order */, u_int16_t sport,
|
|
u_int32_t dhost /* host byte order */, u_int16_t dport) {
|
|
u_int32_t rc;
|
|
struct in_addr addr;
|
|
ndpi_protocol ret = { NDPI_PROTOCOL_UNKNOWN, NDPI_PROTOCOL_UNKNOWN, NDPI_PROTOCOL_CATEGORY_UNSPECIFIED };
|
|
u_int8_t user_defined_proto;
|
|
|
|
if((proto == IPPROTO_TCP) || (proto == IPPROTO_UDP)) {
|
|
rc = ndpi_search_tcp_or_udp_raw(ndpi_str, flow, proto, shost, dhost, sport, dport);
|
|
|
|
if(rc != NDPI_PROTOCOL_UNKNOWN) {
|
|
if(flow && (proto == IPPROTO_UDP)
|
|
&& NDPI_COMPARE_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, rc)
|
|
&& is_udp_guessable_protocol(rc))
|
|
;
|
|
else {
|
|
ret.app_protocol = rc,
|
|
ret.master_protocol = ndpi_guess_protocol_id(ndpi_str, flow, proto, sport,
|
|
dport, &user_defined_proto);
|
|
|
|
if(ret.app_protocol == ret.master_protocol)
|
|
ret.master_protocol = NDPI_PROTOCOL_UNKNOWN;
|
|
|
|
ret.category = ndpi_get_proto_category(ndpi_str, ret);
|
|
return(ret);
|
|
}
|
|
}
|
|
|
|
rc = ndpi_guess_protocol_id(ndpi_str, flow, proto, sport, dport, &user_defined_proto);
|
|
if(rc != NDPI_PROTOCOL_UNKNOWN) {
|
|
if(flow && (proto == IPPROTO_UDP)
|
|
&& NDPI_COMPARE_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, rc)
|
|
&& is_udp_guessable_protocol(rc))
|
|
;
|
|
else {
|
|
ret.app_protocol = rc;
|
|
|
|
if(rc == NDPI_PROTOCOL_TLS)
|
|
goto check_guessed_skype;
|
|
else {
|
|
ret.category = ndpi_get_proto_category(ndpi_str, ret);
|
|
return(ret);
|
|
}
|
|
}
|
|
}
|
|
|
|
check_guessed_skype:
|
|
addr.s_addr = htonl(shost);
|
|
if(ndpi_network_ptree_match(ndpi_str, &addr) == NDPI_PROTOCOL_SKYPE) {
|
|
ret.app_protocol = NDPI_PROTOCOL_SKYPE;
|
|
} else {
|
|
addr.s_addr = htonl(dhost);
|
|
if(ndpi_network_ptree_match(ndpi_str, &addr) == NDPI_PROTOCOL_SKYPE)
|
|
ret.app_protocol = NDPI_PROTOCOL_SKYPE;
|
|
}
|
|
} else
|
|
ret.app_protocol = ndpi_guess_protocol_id(ndpi_str, flow, proto, sport,
|
|
dport, &user_defined_proto);
|
|
|
|
ret.category = ndpi_get_proto_category(ndpi_str, ret);
|
|
return(ret);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
char* ndpi_protocol2id(struct ndpi_detection_module_struct *ndpi_str,
|
|
ndpi_protocol proto, char *buf, u_int buf_len) {
|
|
if((proto.master_protocol != NDPI_PROTOCOL_UNKNOWN)
|
|
&& (proto.master_protocol != proto.app_protocol)) {
|
|
if(proto.app_protocol != NDPI_PROTOCOL_UNKNOWN)
|
|
snprintf(buf, buf_len, "%u.%u",
|
|
proto.master_protocol, proto.app_protocol);
|
|
else
|
|
snprintf(buf, buf_len, "%u", proto.master_protocol);
|
|
} else
|
|
snprintf(buf, buf_len, "%u", proto.app_protocol);
|
|
|
|
return(buf);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
char* ndpi_protocol2name(struct ndpi_detection_module_struct *ndpi_str,
|
|
ndpi_protocol proto, char *buf, u_int buf_len) {
|
|
if((proto.master_protocol != NDPI_PROTOCOL_UNKNOWN)
|
|
&& (proto.master_protocol != proto.app_protocol)) {
|
|
if(proto.app_protocol != NDPI_PROTOCOL_UNKNOWN)
|
|
snprintf(buf, buf_len, "%s.%s",
|
|
ndpi_get_proto_name(ndpi_str, proto.master_protocol),
|
|
ndpi_get_proto_name(ndpi_str, proto.app_protocol));
|
|
else
|
|
snprintf(buf, buf_len, "%s",
|
|
ndpi_get_proto_name(ndpi_str, proto.master_protocol));
|
|
} else
|
|
snprintf(buf, buf_len, "%s",
|
|
ndpi_get_proto_name(ndpi_str, proto.app_protocol));
|
|
|
|
return(buf);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
int ndpi_is_custom_category(ndpi_protocol_category_t category) {
|
|
switch(category) {
|
|
case NDPI_PROTOCOL_CATEGORY_CUSTOM_1:
|
|
case NDPI_PROTOCOL_CATEGORY_CUSTOM_2:
|
|
case NDPI_PROTOCOL_CATEGORY_CUSTOM_3:
|
|
case NDPI_PROTOCOL_CATEGORY_CUSTOM_4:
|
|
case NDPI_PROTOCOL_CATEGORY_CUSTOM_5:
|
|
return(1);
|
|
break;
|
|
|
|
default:
|
|
return(0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
void ndpi_category_set_name(struct ndpi_detection_module_struct *ndpi_str,
|
|
ndpi_protocol_category_t category, char *name) {
|
|
|
|
if(!name) return;
|
|
|
|
switch(category) {
|
|
case NDPI_PROTOCOL_CATEGORY_CUSTOM_1:
|
|
snprintf(ndpi_str->custom_category_labels[0], CUSTOM_CATEGORY_LABEL_LEN, "%s", name);
|
|
break;
|
|
|
|
case NDPI_PROTOCOL_CATEGORY_CUSTOM_2:
|
|
snprintf(ndpi_str->custom_category_labels[1], CUSTOM_CATEGORY_LABEL_LEN, "%s", name);
|
|
break;
|
|
|
|
case NDPI_PROTOCOL_CATEGORY_CUSTOM_3:
|
|
snprintf(ndpi_str->custom_category_labels[2], CUSTOM_CATEGORY_LABEL_LEN, "%s", name);
|
|
break;
|
|
|
|
case NDPI_PROTOCOL_CATEGORY_CUSTOM_4:
|
|
snprintf(ndpi_str->custom_category_labels[3], CUSTOM_CATEGORY_LABEL_LEN, "%s", name);
|
|
break;
|
|
|
|
case NDPI_PROTOCOL_CATEGORY_CUSTOM_5:
|
|
snprintf(ndpi_str->custom_category_labels[4], CUSTOM_CATEGORY_LABEL_LEN, "%s", name);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
const char* ndpi_category_get_name(struct ndpi_detection_module_struct *ndpi_str,
|
|
ndpi_protocol_category_t category) {
|
|
if((!ndpi_str) || (category >= NDPI_PROTOCOL_NUM_CATEGORIES)) {
|
|
static char b[24];
|
|
|
|
if(!ndpi_str)
|
|
snprintf(b, sizeof(b), "NULL nDPI");
|
|
else
|
|
snprintf(b, sizeof(b), "Invalid category %d", (int)category);
|
|
return(b);
|
|
}
|
|
|
|
if((category >= NDPI_PROTOCOL_CATEGORY_CUSTOM_1) && (category <= NDPI_PROTOCOL_CATEGORY_CUSTOM_5)) {
|
|
switch(category) {
|
|
case NDPI_PROTOCOL_CATEGORY_CUSTOM_1:
|
|
return(ndpi_str->custom_category_labels[0]);
|
|
case NDPI_PROTOCOL_CATEGORY_CUSTOM_2:
|
|
return(ndpi_str->custom_category_labels[1]);
|
|
case NDPI_PROTOCOL_CATEGORY_CUSTOM_3:
|
|
return(ndpi_str->custom_category_labels[2]);
|
|
case NDPI_PROTOCOL_CATEGORY_CUSTOM_4:
|
|
return(ndpi_str->custom_category_labels[3]);
|
|
case NDPI_PROTOCOL_CATEGORY_CUSTOM_5:
|
|
return(ndpi_str->custom_category_labels[4]);
|
|
case NDPI_PROTOCOL_NUM_CATEGORIES:
|
|
return("Code should not use this internal constant");
|
|
default:
|
|
return("Unspecified");
|
|
}
|
|
} else
|
|
return(categories[category]);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
ndpi_protocol_category_t ndpi_get_proto_category(struct ndpi_detection_module_struct *ndpi_str,
|
|
ndpi_protocol proto) {
|
|
if(proto.category != NDPI_PROTOCOL_CATEGORY_UNSPECIFIED)
|
|
return(proto.category);
|
|
|
|
/* simple rule: sub protocol first, master after */
|
|
else if((proto.master_protocol == NDPI_PROTOCOL_UNKNOWN) ||
|
|
(ndpi_str->proto_defaults[proto.app_protocol].protoCategory != NDPI_PROTOCOL_CATEGORY_UNSPECIFIED))
|
|
return(ndpi_str->proto_defaults[proto.app_protocol].protoCategory);
|
|
else
|
|
return(ndpi_str->proto_defaults[proto.master_protocol].protoCategory);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
char* ndpi_get_proto_name(struct ndpi_detection_module_struct *ndpi_str, u_int16_t proto_id) {
|
|
if((proto_id >= ndpi_str->ndpi_num_supported_protocols)
|
|
|| (proto_id >= (NDPI_MAX_SUPPORTED_PROTOCOLS+NDPI_MAX_NUM_CUSTOM_PROTOCOLS))
|
|
|| (ndpi_str->proto_defaults[proto_id].protoName == NULL))
|
|
proto_id = NDPI_PROTOCOL_UNKNOWN;
|
|
|
|
return(ndpi_str->proto_defaults[proto_id].protoName);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
ndpi_protocol_breed_t ndpi_get_proto_breed(struct ndpi_detection_module_struct *ndpi_str,
|
|
u_int16_t proto_id) {
|
|
if((proto_id >= ndpi_str->ndpi_num_supported_protocols)
|
|
|| (proto_id >= (NDPI_MAX_SUPPORTED_PROTOCOLS+NDPI_MAX_NUM_CUSTOM_PROTOCOLS))
|
|
|| (ndpi_str->proto_defaults[proto_id].protoName == NULL))
|
|
proto_id = NDPI_PROTOCOL_UNKNOWN;
|
|
|
|
return(ndpi_str->proto_defaults[proto_id].protoBreed);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
char* ndpi_get_proto_breed_name(struct ndpi_detection_module_struct *ndpi_str,
|
|
ndpi_protocol_breed_t breed_id) {
|
|
switch(breed_id) {
|
|
case NDPI_PROTOCOL_SAFE:
|
|
return("Safe");
|
|
break;
|
|
case NDPI_PROTOCOL_ACCEPTABLE:
|
|
return("Acceptable");
|
|
break;
|
|
case NDPI_PROTOCOL_FUN:
|
|
return("Fun");
|
|
break;
|
|
case NDPI_PROTOCOL_UNSAFE:
|
|
return("Unsafe");
|
|
break;
|
|
case NDPI_PROTOCOL_POTENTIALLY_DANGEROUS:
|
|
return("Potentially Dangerous");
|
|
break;
|
|
case NDPI_PROTOCOL_DANGEROUS:
|
|
return("Dangerous");
|
|
break;
|
|
case NDPI_PROTOCOL_UNRATED:
|
|
default:
|
|
return("Unrated");
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
int ndpi_get_protocol_id(struct ndpi_detection_module_struct *ndpi_str, char *proto) {
|
|
int i;
|
|
|
|
for(i=0; i<(int)ndpi_str->ndpi_num_supported_protocols; i++)
|
|
if(strcasecmp(proto, ndpi_str->proto_defaults[i].protoName) == 0)
|
|
return(i);
|
|
|
|
return(-1);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
int ndpi_get_category_id(struct ndpi_detection_module_struct *ndpi_str, char *cat) {
|
|
int i;
|
|
|
|
for(i = 0; i < NDPI_PROTOCOL_NUM_CATEGORIES; i++) {
|
|
const char *name = ndpi_category_get_name(ndpi_str, i);
|
|
|
|
if(strcasecmp(cat, name) == 0)
|
|
return(i);
|
|
}
|
|
|
|
return(-1);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
void ndpi_dump_protocols(struct ndpi_detection_module_struct *ndpi_str) {
|
|
int i;
|
|
|
|
for(i=0; i<(int)ndpi_str->ndpi_num_supported_protocols; i++)
|
|
printf("%3d %-22s %-8s %-12s %s\n", i,
|
|
ndpi_str->proto_defaults[i].protoName,
|
|
ndpi_get_l4_proto_name(ndpi_get_l4_proto_info(ndpi_str, i)),
|
|
ndpi_get_proto_breed_name(ndpi_str, ndpi_str->proto_defaults[i].protoBreed),
|
|
ndpi_category_get_name(ndpi_str, ndpi_str->proto_defaults[i].protoCategory)
|
|
);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
/*
|
|
* Find the first occurrence of find in s, where the search is limited to the
|
|
* first slen characters of s.
|
|
*/
|
|
char* ndpi_strnstr(const char *s, const char *find, size_t slen) {
|
|
char c;
|
|
size_t len;
|
|
|
|
if((c = *find++) != '\0') {
|
|
len = strnlen(find, slen);
|
|
do {
|
|
char sc;
|
|
|
|
do {
|
|
if(slen-- < 1 || (sc = *s++) == '\0')
|
|
return(NULL);
|
|
} while(sc != c);
|
|
if(len > slen)
|
|
return(NULL);
|
|
} while(strncmp(s, find, len) != 0);
|
|
s--;
|
|
}
|
|
|
|
return((char *)s);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
/*
|
|
* Same as ndpi_strnstr but case-insensitive
|
|
*/
|
|
char* ndpi_strncasestr(const char *s, const char *find, size_t slen) {
|
|
char c;
|
|
size_t len;
|
|
|
|
if((c = *find++) != '\0') {
|
|
len = strlen(find);
|
|
do {
|
|
char sc;
|
|
|
|
do {
|
|
if(slen-- < 1 || (sc = *s++) == '\0')
|
|
return(NULL);
|
|
} while(sc != c);
|
|
|
|
if(len > slen)
|
|
return(NULL);
|
|
} while(strncasecmp(s, find, len) != 0);
|
|
|
|
s--;
|
|
}
|
|
return((char *)s);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
int ndpi_match_prefix(const u_int8_t *payload, size_t payload_len,
|
|
const char *str, size_t str_len) {
|
|
int rc = str_len <= payload_len ? memcmp(payload, str, str_len) == 0 : 0;
|
|
|
|
return(rc);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
int ndpi_match_string_subprotocol(struct ndpi_detection_module_struct *ndpi_str,
|
|
char *string_to_match, u_int string_to_match_len,
|
|
ndpi_protocol_match_result *ret_match,
|
|
u_int8_t is_host_match) {
|
|
AC_TEXT_t ac_input_text;
|
|
ndpi_automa *automa = is_host_match ? &ndpi_str->host_automa : &ndpi_str->content_automa;
|
|
AC_REP_t match = { NDPI_PROTOCOL_UNKNOWN, NDPI_PROTOCOL_CATEGORY_UNSPECIFIED, NDPI_PROTOCOL_UNRATED };
|
|
|
|
if((automa->ac_automa == NULL) || (string_to_match_len == 0))
|
|
return(NDPI_PROTOCOL_UNKNOWN);
|
|
|
|
if(!automa->ac_automa_finalized) {
|
|
printf("[%s:%d] [NDPI] Internal error: please call ndpi_finalize_initalization()\n", __FILE__, __LINE__);
|
|
return(0); /* No matches */
|
|
}
|
|
|
|
ac_input_text.astring = string_to_match, ac_input_text.length = string_to_match_len;
|
|
ac_automata_search(((AC_AUTOMATA_t*)automa->ac_automa), &ac_input_text, &match);
|
|
|
|
/* We need to take into account also rc==0 that is used for partial matches */
|
|
ret_match->protocol_id = match.number,
|
|
ret_match->protocol_category = match.category,
|
|
ret_match->protocol_breed = match.breed;
|
|
|
|
return(match.number);
|
|
}
|
|
|
|
#ifdef HAVE_HYPERSCAN
|
|
|
|
/* ******************************************************************** */
|
|
|
|
static int hyperscanEventHandler(unsigned int id, unsigned long long from,
|
|
unsigned long long to, unsigned int flags, void *ctx) {
|
|
*((int *)ctx) = (int)id;
|
|
|
|
NDPI_LOG_DBG2(ndpi_str, "[NDPI] Match with: %d [from: %llu][to: %llu]\n", id, from, to);
|
|
|
|
/* return HS_SCAN_TERMINATED; */
|
|
return(0); /* keep searching */
|
|
}
|
|
|
|
#endif
|
|
|
|
/* **************************************** */
|
|
|
|
static u_int8_t ndpi_is_more_generic_protocol(u_int16_t previous_proto, u_int16_t new_proto) {
|
|
/* Sometimes certificates are more generic than previously identified protocols */
|
|
|
|
if((previous_proto == NDPI_PROTOCOL_UNKNOWN)
|
|
|| (previous_proto == new_proto))
|
|
return(0);
|
|
|
|
switch(previous_proto) {
|
|
case NDPI_PROTOCOL_WHATSAPP_CALL:
|
|
case NDPI_PROTOCOL_WHATSAPP_FILES:
|
|
if(new_proto == NDPI_PROTOCOL_WHATSAPP)
|
|
return(1);
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
static u_int16_t ndpi_automa_match_string_subprotocol(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
char *string_to_match, u_int string_to_match_len,
|
|
u_int16_t master_protocol_id,
|
|
ndpi_protocol_match_result *ret_match,
|
|
u_int8_t is_host_match) {
|
|
int matching_protocol_id;
|
|
struct ndpi_packet_struct *packet = &flow->packet;
|
|
|
|
#ifndef HAVE_HYPERSCAN
|
|
matching_protocol_id = ndpi_match_string_subprotocol(ndpi_str, string_to_match,
|
|
string_to_match_len, ret_match,
|
|
is_host_match);
|
|
#else
|
|
struct hs *hs = (struct hs*)ndpi_str->hyperscan;
|
|
hs_error_t status;
|
|
|
|
matching_protocol_id = NDPI_PROTOCOL_UNKNOWN;
|
|
/*
|
|
TODO HYPERSCAN
|
|
In case of match fill up ret_match and set flow protocol + category
|
|
*/
|
|
status = hs_scan(hs->database, string_to_match,
|
|
string_to_match_len, 0, hs->scratch,
|
|
hyperscanEventHandler, &matching_protocol_id);
|
|
|
|
if(status == HS_SUCCESS) {
|
|
NDPI_LOG_DBG2(ndpi_str, "[NDPI] Hyperscan engine completed normally. Result: %s [%d][%s]\n",
|
|
ndpi_get_proto_name(ndpi_str, matching_protocol_id), matching_protocol_id, string_to_match);
|
|
} else if(status == HS_SCAN_TERMINATED) {
|
|
NDPI_LOG_DBG2(ndpi_str, "[NDPI] Hyperscan engine was terminated by callback. Result: %s [%d][%s]\n",
|
|
ndpi_get_proto_name(ndpi_str, matching_protocol_id), matching_protocol_id, string_to_match);
|
|
} else {
|
|
NDPI_LOG_DBG2(ndpi_str, "[NDPI] Hyperscan returned with error.\n");
|
|
}
|
|
|
|
ret_match->protocol_id = matching_protocol_id,
|
|
ret_match->protocol_category = ndpi_str->proto_defaults[matching_protocol_id].protoCategory,
|
|
ret_match->protocol_breed = ndpi_str->proto_defaults[matching_protocol_id].protoBreed;
|
|
#endif
|
|
|
|
#ifdef DEBUG
|
|
{
|
|
char m[256];
|
|
int len = ndpi_min(sizeof(m), string_to_match_len);
|
|
|
|
strncpy(m, string_to_match, len);
|
|
m[len] = '\0';
|
|
|
|
NDPI_LOG_DBG2(ndpi_str, "[NDPI] ndpi_match_host_subprotocol(%s): %s\n",
|
|
m, ndpi_str->proto_defaults[matching_protocol_id].protoName);
|
|
}
|
|
#endif
|
|
|
|
if((matching_protocol_id != NDPI_PROTOCOL_UNKNOWN)
|
|
&& (!ndpi_is_more_generic_protocol(packet->detected_protocol_stack[0], matching_protocol_id))) {
|
|
/* Move the protocol on slot 0 down one position */
|
|
packet->detected_protocol_stack[1] = master_protocol_id,
|
|
packet->detected_protocol_stack[0] = matching_protocol_id;
|
|
|
|
flow->detected_protocol_stack[0] = packet->detected_protocol_stack[0],
|
|
flow->detected_protocol_stack[1] = packet->detected_protocol_stack[1];
|
|
|
|
if(flow->category == NDPI_PROTOCOL_CATEGORY_UNSPECIFIED)
|
|
flow->category = ret_match->protocol_category;
|
|
|
|
return(packet->detected_protocol_stack[0]);
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
string_to_match[string_to_match_len] = '\0';
|
|
NDPI_LOG_DBG2(ndpi_str, "[NTOP] Unable to find a match for '%s'\n", string_to_match);
|
|
#endif
|
|
|
|
ret_match->protocol_id = NDPI_PROTOCOL_UNKNOWN,
|
|
ret_match->protocol_category = NDPI_PROTOCOL_CATEGORY_UNSPECIFIED,
|
|
ret_match->protocol_breed = NDPI_PROTOCOL_UNRATED;
|
|
|
|
return(NDPI_PROTOCOL_UNKNOWN);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
u_int16_t ndpi_match_host_subprotocol(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
char *string_to_match, u_int string_to_match_len,
|
|
ndpi_protocol_match_result *ret_match,
|
|
u_int16_t master_protocol_id) {
|
|
u_int16_t rc = ndpi_automa_match_string_subprotocol(ndpi_str,
|
|
flow, string_to_match, string_to_match_len,
|
|
master_protocol_id, ret_match, 1);
|
|
|
|
if((flow->category == NDPI_PROTOCOL_CATEGORY_UNSPECIFIED)
|
|
&& (ret_match->protocol_category == NDPI_PROTOCOL_CATEGORY_UNSPECIFIED)) {
|
|
unsigned long id = ret_match->protocol_category;
|
|
|
|
if(ndpi_get_custom_category_match(ndpi_str, string_to_match, string_to_match_len, &id) != -1) {
|
|
if(id != -1) {
|
|
flow->category = ret_match->protocol_category = id;
|
|
rc = master_protocol_id;
|
|
}
|
|
}
|
|
}
|
|
|
|
return(rc);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
u_int16_t ndpi_match_content_subprotocol(struct ndpi_detection_module_struct *ndpi_str,
|
|
struct ndpi_flow_struct *flow,
|
|
char *string_to_match, u_int string_to_match_len,
|
|
ndpi_protocol_match_result *ret_match,
|
|
u_int16_t master_protocol_id) {
|
|
return(ndpi_automa_match_string_subprotocol(ndpi_str, flow,
|
|
string_to_match, string_to_match_len,
|
|
master_protocol_id, ret_match, 0));
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
int ndpi_match_bigram(struct ndpi_detection_module_struct *ndpi_str,
|
|
ndpi_automa *automa, char *bigram_to_match) {
|
|
AC_TEXT_t ac_input_text;
|
|
AC_REP_t match = { NDPI_PROTOCOL_UNKNOWN, NDPI_PROTOCOL_CATEGORY_UNSPECIFIED, NDPI_PROTOCOL_UNRATED };
|
|
int rc;
|
|
|
|
if((automa->ac_automa == NULL) || (bigram_to_match == NULL))
|
|
return(-1);
|
|
|
|
if(!automa->ac_automa_finalized) {
|
|
printf("[%s:%d] [NDPI] Internal error: please call ndpi_finalize_initalization()\n", __FILE__, __LINE__);
|
|
return(0); /* No matches */
|
|
}
|
|
|
|
ac_input_text.astring = bigram_to_match, ac_input_text.length = 2;
|
|
rc = ac_automata_search(((AC_AUTOMATA_t*)automa->ac_automa), &ac_input_text, &match);
|
|
|
|
/*
|
|
As ac_automata_search can detect partial matches and continue the search process
|
|
in case rc == 0 (i.e. no match), we need to check if there is a partial match
|
|
and in this case return it
|
|
*/
|
|
if((rc == 0) && (match.number != 0)) rc = 1;
|
|
|
|
return(rc ? match.number : 0);
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
void ndpi_free_flow(struct ndpi_flow_struct *flow) {
|
|
if(flow) {
|
|
if(flow->http.url) ndpi_free(flow->http.url);
|
|
if(flow->http.content_type) ndpi_free(flow->http.content_type);
|
|
if(flow->http.user_agent) ndpi_free(flow->http.user_agent);
|
|
|
|
if(flow->l4_proto == IPPROTO_TCP) {
|
|
if(flow->l4.tcp.tls_srv_cert_fingerprint_ctx)
|
|
ndpi_free(flow->l4.tcp.tls_srv_cert_fingerprint_ctx);
|
|
}
|
|
|
|
ndpi_free(flow);
|
|
}
|
|
}
|
|
|
|
/* ****************************************************** */
|
|
|
|
char* ndpi_revision() { return(NDPI_GIT_RELEASE); }
|
|
|
|
/* ****************************************************** */
|
|
|
|
#ifdef WIN32
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/* https://stackoverflow.com/questions/10905892/equivalent-of-gettimeday-for-windows */
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int gettimeofday(struct timeval * tp, struct timezone * tzp) {
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// Note: some broken versions only have 8 trailing zero's, the correct epoch has 9 trailing zero's
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// This magic number is the number of 100 nanosecond intervals since January 1, 1601 (UTC)
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// until 00:00:00 January 1, 1970
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static const uint64_t EPOCH = ((uint64_t) 116444736000000000ULL);
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SYSTEMTIME system_time;
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FILETIME file_time;
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uint64_t time;
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GetSystemTime( &system_time );
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SystemTimeToFileTime( &system_time, &file_time );
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time = ((uint64_t)file_time.dwLowDateTime ) ;
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time += ((uint64_t)file_time.dwHighDateTime) << 32;
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tp->tv_sec = (long) ((time - EPOCH) / 10000000L);
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tp->tv_usec = (long) (system_time.wMilliseconds * 1000);
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return(0);
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}
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#endif
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int NDPI_BITMASK_COMPARE(NDPI_PROTOCOL_BITMASK a, NDPI_PROTOCOL_BITMASK b) {
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int i;
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for(i=0; i<NDPI_NUM_FDS_BITS; i++) {
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if(a.fds_bits[i] & b.fds_bits[i])
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return(1);
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}
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return(0);
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}
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#ifdef CODE_UNUSED
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int NDPI_BITMASK_IS_EMPTY(NDPI_PROTOCOL_BITMASK a) {
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int i;
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for(i=0; i<NDPI_NUM_FDS_BITS; i++)
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if(a.fds_bits[i] != 0)
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return(0);
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return(1);
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}
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void NDPI_DUMP_BITMASK(NDPI_PROTOCOL_BITMASK a) {
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int i;
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for(i=0; i<NDPI_NUM_FDS_BITS; i++)
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printf("[%d=%u]", i, a.fds_bits[i]);
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printf("\n");
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}
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#endif
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u_int8_t ndpi_get_api_version() {
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return(NDPI_API_VERSION);
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}
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ndpi_proto_defaults_t* ndpi_get_proto_defaults(struct ndpi_detection_module_struct *ndpi_str) {
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return(ndpi_str->proto_defaults);
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}
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u_int ndpi_get_ndpi_num_supported_protocols(struct ndpi_detection_module_struct *ndpi_str) {
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return(ndpi_str->ndpi_num_supported_protocols);
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}
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u_int ndpi_get_ndpi_num_custom_protocols(struct ndpi_detection_module_struct *ndpi_str) {
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return(ndpi_str->ndpi_num_custom_protocols);
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}
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u_int ndpi_get_ndpi_detection_module_size() {
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return(sizeof(struct ndpi_detection_module_struct));
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}
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void ndpi_set_log_level(struct ndpi_detection_module_struct *ndpi_str, u_int l) {
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ndpi_str->ndpi_log_level = l;
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}
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/* ******************************************************************** */
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/* LRU cache */
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struct ndpi_lru_cache* ndpi_lru_cache_init(u_int32_t num_entries) {
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struct ndpi_lru_cache *c = (struct ndpi_lru_cache*)ndpi_malloc(sizeof(struct ndpi_lru_cache));
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if(!c) return(NULL);
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c->entries = (struct ndpi_lru_cache_entry*)ndpi_calloc(num_entries,
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sizeof(struct ndpi_lru_cache_entry));
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if(!c->entries) {
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ndpi_free(c);
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return(NULL);
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} else
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c->num_entries = num_entries;
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return(c);
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}
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void ndpi_lru_free_cache(struct ndpi_lru_cache *c) {
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ndpi_free(c->entries);
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ndpi_free(c);
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}
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u_int8_t ndpi_lru_find_cache(struct ndpi_lru_cache *c, u_int32_t key, u_int16_t *value, u_int8_t clean_key_when_found) {
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u_int32_t slot = key % c->num_entries;
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if(c->entries[slot].is_full) {
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*value = c->entries[slot].value;
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if(clean_key_when_found) c->entries[slot].is_full = 0;
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return(1);
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} else
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return(0);
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}
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void ndpi_lru_add_to_cache(struct ndpi_lru_cache *c, u_int32_t key, u_int16_t value) {
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u_int32_t slot = key % c->num_entries;
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c->entries[slot].is_full = 1,
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c->entries[slot].key = key,
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c->entries[slot].value = value;
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}
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/* ******************************************************************** */
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/*
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NOTE:
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- Leave fields empty/zero when information is missing (e.g. with ICMP ports are zero)
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- The hash_buf most be 30+1 bits or longer
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- Return code: 0 = OK, -1 otherwise
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*/
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int ndpi_flowv4_flow_hash(u_int8_t l4_proto, u_int32_t src_ip,
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u_int32_t dst_ip, u_int16_t src_port, u_int16_t dst_port,
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u_int8_t icmp_type, u_int8_t icmp_code,
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u_char *hash_buf, u_int8_t hash_buf_len) {
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return(0); /* OK */
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}
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int ndpi_flowv6_flow_hash(u_int8_t l4_proto, struct ndpi_in6_addr *src_ip, struct ndpi_in6_addr *dst_ip,
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u_int16_t src_port, u_int16_t dst_port, u_int8_t icmp_type, u_int8_t icmp_code,
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u_char *hash_buf, u_int8_t hash_buf_len) {
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return(0); /* OK */
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}
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/* ******************************************************************** */
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/*
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This function tells if it's possible to further dissect a given flow
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0 - All possible dissection has been completed
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1 - Additional dissection is possible
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*/
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u_int8_t ndpi_extra_dissection_possible(struct ndpi_detection_module_struct *ndpi_str,
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struct ndpi_flow_struct *flow) {
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u_int16_t proto = flow->detected_protocol_stack[1] ? flow->detected_protocol_stack[1] : flow->detected_protocol_stack[0];
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#if 0
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printf("[DEBUG] %s(%u.%u): %u\n", __FUNCTION__,
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flow->detected_protocol_stack[0],
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flow->detected_protocol_stack[1],
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proto);
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#endif
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switch(proto) {
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case NDPI_PROTOCOL_TLS:
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if(!flow->l4.tcp.tls_srv_cert_fingerprint_processed)
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return(1);
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break;
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case NDPI_PROTOCOL_HTTP:
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if((flow->host_server_name[0] == '\0') || (flow->http.response_status_code == 0))
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return(1);
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break;
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case NDPI_PROTOCOL_DNS:
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if(flow->protos.dns.num_answers == 0)
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return(1);
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break;
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case NDPI_PROTOCOL_FTP_CONTROL:
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case NDPI_PROTOCOL_MAIL_POP:
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case NDPI_PROTOCOL_MAIL_IMAP:
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case NDPI_PROTOCOL_MAIL_SMTP:
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if(flow->protos.ftp_imap_pop_smtp.password[0] == '\0')
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return(1);
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break;
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case NDPI_PROTOCOL_SSH:
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if((flow->protos.ssh.hassh_client[0] == '\0')
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|| (flow->protos.ssh.hassh_server[0] == '\0'))
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return(1);
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break;
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case NDPI_PROTOCOL_TELNET:
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if(!flow->protos.telnet.password_detected)
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return(1);
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break;
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}
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return(0);
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}
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/* ******************************************************************** */
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const char* ndpi_get_l4_proto_name(ndpi_l4_proto_info proto) {
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switch(proto) {
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case ndpi_l4_proto_unknown:
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return("");
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break;
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case ndpi_l4_proto_tcp_only:
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return("TCP");
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break;
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case ndpi_l4_proto_udp_only:
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return("UDP");
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break;
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case ndpi_l4_proto_tcp_and_udp:
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return("TCP/UDP");
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break;
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}
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return("");
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}
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/* ******************************************************************** */
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ndpi_l4_proto_info ndpi_get_l4_proto_info(struct ndpi_detection_module_struct *ndpi_struct,
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u_int16_t ndpi_proto_id) {
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if(ndpi_proto_id < ndpi_struct->ndpi_num_supported_protocols) {
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u_int16_t idx = ndpi_struct->proto_defaults[ndpi_proto_id].protoIdx;
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NDPI_SELECTION_BITMASK_PROTOCOL_SIZE bm = ndpi_struct->callback_buffer[idx].ndpi_selection_bitmask;
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if(bm & NDPI_SELECTION_BITMASK_PROTOCOL_INT_TCP) return(ndpi_l4_proto_tcp_only);
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else if(bm & NDPI_SELECTION_BITMASK_PROTOCOL_INT_UDP) return(ndpi_l4_proto_udp_only);
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else if(bm & NDPI_SELECTION_BITMASK_PROTOCOL_INT_TCP_OR_UDP) return(ndpi_l4_proto_tcp_and_udp);
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}
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return(ndpi_l4_proto_unknown); /* default */
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}
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/* ******************************************************************** */
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ndpi_ptree_t* ndpi_ptree_create(void) {
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ndpi_ptree_t *tree = (ndpi_ptree_t*) ndpi_malloc(sizeof(ndpi_ptree_t));
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if(tree) {
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tree->v4 = ndpi_New_Patricia(32);
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tree->v6 = ndpi_New_Patricia(128);
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if((!tree->v4) || (!tree->v6)) {
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ndpi_ptree_destroy(tree);
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return(NULL);
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}
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}
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return(tree);
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}
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/* ******************************************************************** */
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void ndpi_ptree_destroy(ndpi_ptree_t *tree) {
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if(tree) {
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if(tree->v4) ndpi_Destroy_Patricia(tree->v4, free_ptree_data);
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if(tree->v6) ndpi_Destroy_Patricia(tree->v6, free_ptree_data);
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ndpi_free(tree);
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}
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}
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/* ******************************************************************** */
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int ndpi_ptree_insert(ndpi_ptree_t *tree, const ndpi_ip_addr_t *addr, u_int8_t bits, uint user_data) {
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u_int8_t is_v6 = ndpi_is_ipv6(addr);
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patricia_tree_t *ptree = is_v6 ? tree->v6 : tree->v4;
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prefix_t prefix;
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patricia_node_t *node;
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if(bits > ptree->maxbits)
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return(-1);
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if(is_v6)
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fill_prefix_v6(&prefix, (const struct in6_addr*)&addr->ipv6, bits, ptree->maxbits);
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else
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fill_prefix_v4(&prefix, (const struct in_addr*)&addr->ipv4, bits, ptree->maxbits);
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/* Verify that the node does not already exist */
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node = ndpi_patricia_search_best(ptree, &prefix);
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if(node && (node->prefix->bitlen == bits))
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return(-2);
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node = ndpi_patricia_lookup(ptree, &prefix);
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if(node != NULL) {
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node->value.user_value = user_data;
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return(0);
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}
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return(-3);
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}
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/* ******************************************************************** */
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int ndpi_ptree_match_addr(ndpi_ptree_t *tree, const ndpi_ip_addr_t *addr, uint *user_data) {
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u_int8_t is_v6 = ndpi_is_ipv6(addr);
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patricia_tree_t *ptree = is_v6 ? tree->v6 : tree->v4;
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prefix_t prefix;
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patricia_node_t *node;
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int bits = ptree->maxbits;
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if(is_v6)
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fill_prefix_v6(&prefix, (const struct in6_addr*)&addr->ipv6, bits, ptree->maxbits);
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else
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fill_prefix_v4(&prefix, (const struct in_addr*)&addr->ipv4, bits, ptree->maxbits);
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node = ndpi_patricia_search_best(ptree, &prefix);
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if(node) {
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*user_data = node->value.user_value;
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return(0);
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}
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return(-1);
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}
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/* ******************************************************************** */
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void ndpi_md5(const u_char *data, size_t data_len, u_char hash[16]) {
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ndpi_MD5_CTX ctx;
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ndpi_MD5Init(&ctx);
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ndpi_MD5Update(&ctx, data, data_len);
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ndpi_MD5Final(hash, &ctx);
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}
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