ntopng/include/SNMP.h
2026-03-15 10:50:50 +01:00

112 lines
3.8 KiB
C++

/*
*
* (C) 2013-26 - ntop.org
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef _SNMP_H_
#define _SNMP_H_
#include "ntop_includes.h"
#define SNMP_MAX_NUM_OIDS 10
/* ******************************* */
typedef enum {
snmp_get_pdu = 0,
snmp_get_next_pdu,
snmp_get_bulk_pdu,
snmp_set_pdu,
} snmp_pdu_primitive;
class SNMP {
private:
u_int snmp_version;
bool batch_mode;
#ifdef HAVE_LIBSNMP
std::vector<SNMPSession*> sessions;
/* Variables below are used for the async check */
lua_State* vm;
#else
int udp_sock;
u_int32_t request_id;
#endif
u_int8_t getbulk_max_num_repetitions;
void configure_timeout(void* snmpSession);
bool send_snmp_request(char* agent_host, u_int version, char* community,
char* level, char* username, char* auth_protocol,
char* auth_passphrase, char* privacy_protocol,
char* privacy_passphrase, char* contextName,
snmp_pdu_primitive pduType,
char* oid[SNMP_MAX_NUM_OIDS],
char value_types[SNMP_MAX_NUM_OIDS],
char* values[SNMP_MAX_NUM_OIDS], bool _batch_mode);
#ifdef HAVE_LIBSNMP
int snmpv3_get_fctn(lua_State* vm, snmp_pdu_primitive pduType,
bool skip_first_param, bool _batch_mode);
#endif
int snmp_get_fctn(lua_State* vm, snmp_pdu_primitive pduType,
bool skip_first_param, bool _batch_mode);
int snmp_read_response(lua_State* vm, u_int timeout);
public:
SNMP();
~SNMP();
#ifdef HAVE_LIBSNMP
void handle_async_response(struct snmp_pdu* pdu, const char* agent_ip);
bool send_snmp_set_request(char* agent_host, char* community,
snmp_pdu_primitive pduType, u_int version,
char* oid[SNMP_MAX_NUM_OIDS],
char value_types[SNMP_MAX_NUM_OIDS],
char* values[SNMP_MAX_NUM_OIDS]);
bool send_snmpv3_request(char* agent_host, char* level, char* username,
char* auth_protocol, char* auth_passphrase,
char* privacy_protocol, char* privacy_passphrase,
char* contextName, snmp_pdu_primitive pduType,
char* oid[SNMP_MAX_NUM_OIDS],
char value_types[SNMP_MAX_NUM_OIDS],
char* values[SNMP_MAX_NUM_OIDS], bool _batch_mode);
#endif
bool send_snmpv1v2c_request(char* agent_host, char* community,
snmp_pdu_primitive pduType, u_int version,
char* oid[SNMP_MAX_NUM_OIDS], bool _batch_mode);
void snmp_fetch_responses(lua_State* vm, u_int timeout);
void set_snmpbulk_max_repetitions(u_int8_t n) {
getbulk_max_num_repetitions = n;
};
u_int8_t get_snmpbulk_max_repetitions() {
return (getbulk_max_num_repetitions);
};
int get(lua_State* vm, bool skip_first_param);
int getnext(lua_State* vm, bool skip_first_param);
int getnextbulk(lua_State* vm, bool skip_first_param);
int set(lua_State* vm, bool skip_first_param);
#ifdef HAVE_LIBSNMP
lua_State* get_vm() { return (vm); }
#endif
};
#endif /* _SNMP_H_ */