suricata
util-lua.h
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1 /* Copyright (C) 2014 Open Information Security Foundation
2  *
3  * You can copy, redistribute or modify this Program under the terms of
4  * the GNU General Public License version 2 as published by the Free
5  * Software Foundation.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * version 2 along with this program; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15  * 02110-1301, USA.
16  */
17 
18 /**
19  * \file
20  *
21  * \author Victor Julien <victor@inliniac.net>
22  */
23 
24 #ifndef __UTIL_LUA_H__
25 #define __UTIL_LUA_H__
26 
27 #ifdef HAVE_LUA
28 
29 #include "util-luajit.h"
30 
31 typedef struct LuaStreamingBuffer_ {
32  const uint8_t *data;
33  uint32_t data_len;
34  uint8_t flags;
35 } LuaStreamingBuffer;
36 
37 lua_State *LuaGetState(void);
38 void LuaReturnState(lua_State *s);
39 
40 /* gets */
41 
42 /** \brief get tv pointer from the lua state */
43 ThreadVars *LuaStateGetThreadVars(lua_State *luastate);
44 
45 Packet *LuaStateGetPacket(lua_State *luastate);
46 void *LuaStateGetTX(lua_State *luastate);
47 
48 /** \brief get flow pointer from lua state
49  *
50  * \retval f flow poiner or NULL if it was not set
51  */
52 Flow *LuaStateGetFlow(lua_State *luastate);
53 
54 PacketAlert *LuaStateGetPacketAlert(lua_State *luastate);
55 
56 /** \brief get file pointer from the lua state */
57 File *LuaStateGetFile(lua_State *luastate);
58 
59 LuaStreamingBuffer *LuaStateGetStreamingBuffer(lua_State *luastate);
60 
61 int LuaStateGetDirection(lua_State *luastate);
62 
63 /* sets */
64 
65 void LuaStateSetPacket(lua_State *luastate, Packet *p);
66 void LuaStateSetTX(lua_State *luastate, void *tx);
67 
68 /** \brief set a flow pointer in the lua state
69  *
70  * \param f flow pointer
71  */
72 void LuaStateSetFlow(lua_State *luastate, Flow *f);
73 
74 void LuaStateSetPacketAlert(lua_State *luastate, PacketAlert *pa);
75 
76 void LuaStateSetFile(lua_State *luastate, File *file);
77 
78 void LuaStateSetThreadVars(lua_State *luastate, ThreadVars *tv);
79 
80 void LuaStateSetStreamingBuffer(lua_State *luastate, LuaStreamingBuffer *b);
81 
82 void LuaStateSetDirection(lua_State *luastate, int direction);
83 
84 void LuaPrintStack(lua_State *state);
85 
86 int LuaPushStringBuffer(lua_State *luastate, const uint8_t *input, size_t input_len);
87 
88 int LuaPushInteger(lua_State *luastate, lua_Integer n);
89 
90 #endif /* HAVE_LUA */
91 
92 #endif /* __UTIL_LUA_H__ */
uint16_t flags
Per thread variable structure.
Definition: threadvars.h:57
Flow data structure.
Definition: flow.h:327