mirror of
https://github.com/ntop/ntopng.git
synced 2026-05-02 17:00:10 +00:00
247 lines
7.6 KiB
C++
247 lines
7.6 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 _LUA_H_
|
|
#define _LUA_H_
|
|
|
|
#include "ntop_includes.h"
|
|
/** @defgroup LuaEngine LuaEngine
|
|
* Main ntopng lua group.
|
|
*/
|
|
|
|
/* ******************************* */
|
|
|
|
/** @class LuaEngine
|
|
* @brief Main class of lua.
|
|
*
|
|
* @ingroup LuaEngine
|
|
*
|
|
*/
|
|
|
|
class ThreadedActivity;
|
|
class ThreadedActivityStats;
|
|
|
|
class LuaEngine {
|
|
protected:
|
|
lua_State* L; /**< The LuaEngine state. */
|
|
char* loaded_script_path;
|
|
bool is_system_vm; /* Executed by callbacks */
|
|
std::string cloud_string;
|
|
std::set<std::string> require_list;
|
|
size_t mem_used;
|
|
u_int32_t start_epoch;
|
|
NtopngLuaContext* lua_context;
|
|
|
|
void lua_register_classes(lua_State* L, LuaEngineMode mode);
|
|
|
|
public:
|
|
/**
|
|
* @brief A Constructor
|
|
* @details Creating a new lua state.
|
|
*
|
|
* @return A new instance of lua.
|
|
*/
|
|
LuaEngine();
|
|
|
|
/**
|
|
* @brief A Destructor.
|
|
*
|
|
*/
|
|
virtual ~LuaEngine();
|
|
|
|
/* Set Hosts and Networks into the Lua context */
|
|
void setHost(Host* h);
|
|
void setNetwork(NetworkStats* ns);
|
|
void setFlow(Flow* f);
|
|
|
|
void setThreadedActivityData(const ThreadedActivity* ta,
|
|
ThreadedActivityStats* tas, time_t deadline);
|
|
|
|
Host* getHost();
|
|
NetworkInterface* getNetworkInterface();
|
|
NetworkStats* getNetwork();
|
|
|
|
int load_script(char* script_path, LuaEngineMode mode,
|
|
NetworkInterface* iface);
|
|
int run_loaded_script();
|
|
|
|
/**
|
|
* @brief Handling of request info of script.
|
|
* @details Read from the request the parameters and put the GET parameters
|
|
* and the _SESSION parameters into the environment. Once all parameters have
|
|
* been load we running the script.
|
|
*
|
|
* @param conn This structure contains handle for the individual connection.
|
|
* @param request_info This structure contains information about the HTTP
|
|
* request.
|
|
* @param script_path Full path of lua script.
|
|
* @return The result of the execution of the script.
|
|
*/
|
|
int handle_script_request(struct mg_connection* conn,
|
|
const struct mg_request_info* request_info,
|
|
char* script_path, bool* attack_attempt,
|
|
const char* user, const char* group,
|
|
const char* session_csrf, bool localuser);
|
|
|
|
bool setParamsTable(lua_State* vm, const struct mg_request_info* request_info,
|
|
const char* table_name, const char* query) const;
|
|
|
|
void luaRegister(lua_State* L, const char* class_name,
|
|
luaL_Reg* class_methods);
|
|
|
|
inline lua_State* getState() const { return (L); }
|
|
|
|
bool switchInterface(struct lua_State* vm, const char* ifid,
|
|
const char* observation_point_id, const char* user,
|
|
const char* group, const char* session);
|
|
void setInterface(const char* user, char* const ifname, u_int16_t ifname_len,
|
|
bool* const is_allowed) const;
|
|
|
|
inline void setAsSystemVM() { is_system_vm = true; }
|
|
inline bool isSystemVM() { return (is_system_vm); }
|
|
|
|
void pushResultString(char* str);
|
|
void pushResultNumber(float f);
|
|
const char* getCloudString() { return (cloud_string.c_str()); }
|
|
inline lua_State* getState() { return (L); }
|
|
|
|
inline size_t getMemUsed() { return (mem_used); }
|
|
inline void incMemUsed(size_t v) { mem_used += v; }
|
|
bool require(std::string name);
|
|
};
|
|
|
|
/**
|
|
* @brief Push string value to table entry specify the key.
|
|
*
|
|
* @param L The lua state.
|
|
* @param key The key of hash table.
|
|
* @param value The value of hash table.
|
|
*/
|
|
extern void lua_push_str_table_entry(lua_State* L, const char* key,
|
|
const char* value);
|
|
|
|
/**
|
|
* @brief Push string value to table entry specify the key and lenght.
|
|
*
|
|
* @param L The lua state.
|
|
* @param key The key of hash table.
|
|
* @param value The value of hash table.
|
|
* @param value_len lenght of the value field
|
|
*/
|
|
extern void lua_push_str_len_table_entry(lua_State* L, const char* key,
|
|
const char* value,
|
|
unsigned int value_len);
|
|
|
|
/**
|
|
* @brief Push null value to table entry specify the key.
|
|
*
|
|
* @param L The lua state.
|
|
* @param key The key of hash table.
|
|
*/
|
|
extern void lua_push_nil_table_entry(lua_State* L, const char* key);
|
|
|
|
/**
|
|
* @brief Push int value to table entry specify the key.
|
|
*
|
|
* @param L The lua state.
|
|
* @param key The key of hash table.
|
|
* @param value The value of hash table.
|
|
*/
|
|
extern void lua_push_uint64_table_entry(lua_State* L, const char* key,
|
|
u_int64_t value);
|
|
|
|
/**
|
|
* @brief Push int64 value to table entry specify the key.
|
|
*
|
|
* @param L The lua state.
|
|
* @param key The key of hash table.
|
|
* @param value The value of hash table.
|
|
*/
|
|
void lua_push_int64_table_entry(lua_State* L, const char* key, int64_t value);
|
|
|
|
/**
|
|
* @brief Push int32 value to table entry specify the key.
|
|
*
|
|
* @param L The lua state.
|
|
* @param key The key of hash table.
|
|
* @param value The value of hash table.
|
|
*/
|
|
void lua_push_int32_table_entry(lua_State* L, const char* key, int32_t value);
|
|
|
|
/**
|
|
* @brief Push uint32 value to table entry specify the key.
|
|
*
|
|
* @param L The lua state.
|
|
* @param key The key of hash table.
|
|
* @param value The value of hash table.
|
|
*/
|
|
void lua_push_uint32_table_entry(lua_State* L, const char* key,
|
|
u_int32_t value);
|
|
|
|
/**
|
|
* @brief Push bool value to table entry specify the key.
|
|
* @details Using LUA_NUMBER (double: 64 bit) in place of LUA_INTEGER
|
|
* (ptrdiff_t: 32 or 64 bit according to the platform) to handle big counters.
|
|
* (luaconf.h)
|
|
*
|
|
* @param L The lua state.
|
|
* @param key The key of hash table.
|
|
* @param value The value of hash table.
|
|
*/
|
|
extern void lua_push_bool_table_entry(lua_State* L, const char* key,
|
|
bool value);
|
|
|
|
/**
|
|
* @brief Push float value to table entry specify the key.
|
|
*
|
|
* @param L The lua state.
|
|
* @param key The key of hash table.
|
|
* @param value The value of hash table.
|
|
*/
|
|
extern void lua_push_float_table_entry(lua_State* L, const char* key,
|
|
float value);
|
|
|
|
/**
|
|
* @brief Push boolean value to table entry specify the key.
|
|
*
|
|
* @param L The lua state.
|
|
* @param key The key of hash table.
|
|
* @param value The value of hash table.
|
|
*/
|
|
extern void lua_push_bool_table_entry(lua_State* L, const char* key,
|
|
bool value);
|
|
|
|
int ntop_lua_check(lua_State* vm, const char* func, int pos, int expected_type);
|
|
|
|
/**
|
|
* @brief Checks the lua stack after a C function is called
|
|
*
|
|
* @param vm The lua state.
|
|
* @param function_name The function name that triggered the error
|
|
* @param val The return value
|
|
*/
|
|
extern int ntop_lua_return_value(lua_State* vm, const char* function_name,
|
|
int val);
|
|
|
|
extern void get_host_vlan_info(char* lua_ip, char** host_ip, u_int16_t* vlan_id,
|
|
char* buf, u_int buf_len);
|
|
|
|
#endif /* _LUA_H_ */
|