diff options
Diffstat (limited to 'framework/src/suricata/src/util-lua-ssh.c')
| -rw-r--r-- | framework/src/suricata/src/util-lua-ssh.c | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/framework/src/suricata/src/util-lua-ssh.c b/framework/src/suricata/src/util-lua-ssh.c deleted file mode 100644 index df232c81..00000000 --- a/framework/src/suricata/src/util-lua-ssh.c +++ /dev/null @@ -1,227 +0,0 @@ -/* Copyright (C) 2014 Open Information Security Foundation - * - * You can copy, redistribute or modify this Program under the terms of - * the GNU General Public License version 2 as published by the Free - * Software Foundation. - * - * 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 - * version 2 along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - - -/** - * \file - * - * \author Mats Klepsland <mats.klepsland@gmail.com> - * - */ - -#include "suricata-common.h" -#include "debug.h" -#include "detect.h" -#include "pkt-var.h" -#include "conf.h" - -#include "threads.h" -#include "threadvars.h" -#include "tm-threads.h" - -#include "util-print.h" -#include "util-unittest.h" - -#include "util-debug.h" - -#include "output.h" -#include "app-layer.h" -#include "app-layer-parser.h" -#include "app-layer-ssh.h" -#include "util-privs.h" -#include "util-buffer.h" -#include "util-proto-name.h" -#include "util-logopenfile.h" -#include "util-time.h" - -#ifdef HAVE_LUA - -#include <lua.h> -#include <lualib.h> -#include <lauxlib.h> - -#include "util-lua.h" -#include "util-lua-common.h" - -static int GetServerProtoVersion(lua_State *luastate, const Flow *f) -{ - void *state = FlowGetAppState(f); - if (state == NULL) - return LuaCallbackError(luastate, "error: no app layer state"); - - SshState *ssh_state = (SshState *)state; - - if (ssh_state->srv_hdr.proto_version == NULL) - return LuaCallbackError(luastate, "error: no server proto version"); - - return LuaPushStringBuffer(luastate, ssh_state->srv_hdr.proto_version, - strlen((char *)ssh_state->srv_hdr.proto_version)); -} - -static int SshGetServerProtoVersion(lua_State *luastate) -{ - int r; - - if (!(LuaStateNeedProto(luastate, ALPROTO_SSH))) - return LuaCallbackError(luastate, "error: protocol not ssh"); - - int lock_hint = 0; - Flow *f = LuaStateGetFlow(luastate, &lock_hint); - if (f == NULL) - return LuaCallbackError(luastate, "internal error: no flow"); - - if (lock_hint == LUA_FLOW_NOT_LOCKED_BY_PARENT) { - FLOWLOCK_RDLOCK(f); - r = GetServerProtoVersion(luastate, f); - FLOWLOCK_UNLOCK(f); - } else { - r = GetServerProtoVersion(luastate, f); - } - return r; -} - -static int GetServerSoftwareVersion(lua_State *luastate, const Flow *f) -{ - void *state = FlowGetAppState(f); - if (state == NULL) - return LuaCallbackError(luastate, "error: no app layer state"); - - SshState *ssh_state = (SshState *)state; - - if (ssh_state->srv_hdr.software_version == NULL) - return LuaCallbackError(luastate, "error: no server software version"); - - return LuaPushStringBuffer(luastate, ssh_state->srv_hdr.software_version, - strlen((char *)ssh_state->srv_hdr.software_version)); -} - -static int SshGetServerSoftwareVersion(lua_State *luastate) -{ - int r; - - if (!(LuaStateNeedProto(luastate, ALPROTO_SSH))) - return LuaCallbackError(luastate, "error: protocol not ssh"); - - int lock_hint = 0; - Flow *f = LuaStateGetFlow(luastate, &lock_hint); - if (f == NULL) - return LuaCallbackError(luastate, "internal error: no flow"); - - if (lock_hint == LUA_FLOW_NOT_LOCKED_BY_PARENT) { - FLOWLOCK_RDLOCK(f); - r = GetServerSoftwareVersion(luastate, f); - FLOWLOCK_UNLOCK(f); - } else { - r = GetServerSoftwareVersion(luastate, f); - } - return r; -} - -static int GetClientProtoVersion(lua_State *luastate, const Flow *f) -{ - void *state = FlowGetAppState(f); - if (state == NULL) - return LuaCallbackError(luastate, "error: no app layer state"); - - SshState *ssh_state = (SshState *)state; - - if (ssh_state->cli_hdr.proto_version == NULL) - return LuaCallbackError(luastate, "error: no client proto version"); - - return LuaPushStringBuffer(luastate, ssh_state->cli_hdr.proto_version, - strlen((char *)ssh_state->cli_hdr.proto_version)); -} - -static int SshGetClientProtoVersion(lua_State *luastate) -{ - int r; - - if (!(LuaStateNeedProto(luastate, ALPROTO_SSH))) - return LuaCallbackError(luastate, "error: protocol not ssh"); - - int lock_hint = 0; - Flow *f = LuaStateGetFlow(luastate, &lock_hint); - if (f == NULL) - return LuaCallbackError(luastate, "internal error: no flow"); - - if (lock_hint == LUA_FLOW_NOT_LOCKED_BY_PARENT) { - FLOWLOCK_RDLOCK(f); - r = GetClientProtoVersion(luastate, f); - FLOWLOCK_UNLOCK(f); - } else { - r = GetClientProtoVersion(luastate, f); - } - return r; -} - -static int GetClientSoftwareVersion(lua_State *luastate, const Flow *f) -{ - void *state = FlowGetAppState(f); - if (state == NULL) - return LuaCallbackError(luastate, "error: no app layer state"); - - SshState *ssh_state = (SshState *)state; - - if (ssh_state->cli_hdr.software_version == NULL) - return LuaCallbackError(luastate, "error: no client software version"); - - return LuaPushStringBuffer(luastate, ssh_state->cli_hdr.software_version, - strlen((char *)ssh_state->cli_hdr.software_version)); -} - -static int SshGetClientSoftwareVersion(lua_State *luastate) -{ - int r; - - if (!(LuaStateNeedProto(luastate, ALPROTO_SSH))) - return LuaCallbackError(luastate, "error: protocol not ssh"); - - int lock_hint = 0; - Flow *f = LuaStateGetFlow(luastate, &lock_hint); - if (f == NULL) - return LuaCallbackError(luastate, "internal error: no flow"); - - if (lock_hint == LUA_FLOW_NOT_LOCKED_BY_PARENT) { - FLOWLOCK_RDLOCK(f); - r = GetClientSoftwareVersion(luastate, f); - FLOWLOCK_UNLOCK(f); - } else { - r = GetClientSoftwareVersion(luastate, f); - } - return r; -} - -/** \brief register ssh lua extensions in a luastate */ -int LuaRegisterSshFunctions(lua_State *luastate) -{ - /* registration of the callbacks */ - lua_pushcfunction(luastate, SshGetServerProtoVersion); - lua_setglobal(luastate, "SshGetServerProtoVersion"); - - lua_pushcfunction(luastate, SshGetServerSoftwareVersion); - lua_setglobal(luastate, "SshGetServerSoftwareVersion"); - - lua_pushcfunction(luastate, SshGetClientProtoVersion); - lua_setglobal(luastate, "SshGetClientProtoVersion"); - - lua_pushcfunction(luastate, SshGetClientSoftwareVersion); - lua_setglobal(luastate, "SshGetClientSoftwareVersion"); - - return 0; -} - -#endif /* HAVE_LUA */ |