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kamailio/modules_s/exec/exec_mod.c

167 lines
3.7 KiB

/*
* execution module
*
* $Id$
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of ser, a free SIP server.
*
* ser 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 2 of the License, or
* (at your option) any later version
*
* For a license to use the ser software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* ser 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
*
* History:
* -------
* 2003-03-11: New module interface (janakj)
* 2003-03-16: flags export parameter added (janakj)
*/
#include <stdio.h>
#include "../../parser/msg_parser.h"
#include "../../str.h"
#include "../../sr_module.h"
#include "../../dprint.h"
#include "../../parser/parse_uri.h"
#include "exec.h"
#include "kill.h"
#include "exec_hf.h"
MODULE_VERSION
unsigned int time_to_kill=0;
static int mod_init( void );
inline static int w_exec_dset(struct sip_msg* msg, char* cmd, char* foo);
inline static int w_exec_msg(struct sip_msg* msg, char* cmd, char* foo);
inline static void exec_shutdown();
/*
* Exported functions
*/
static cmd_export_t cmds[] = {
{"exec_dset", w_exec_dset, 1, fixup_var_str_1, REQUEST_ROUTE | FAILURE_ROUTE},
{"exec_msg", w_exec_msg, 1, fixup_var_str_1, REQUEST_ROUTE | FAILURE_ROUTE},
{0, 0, 0, 0, 0}
};
/*
* Exported parameters
*/
static param_export_t params[] = {
{"time_to_kill", PARAM_INT, &time_to_kill},
{"setvars", PARAM_INT, &setvars },
{0, 0, 0}
};
#ifdef STATIC_EXEC
struct module_exports exec_exports = {
#else
struct module_exports exports= {
#endif
"exec",
cmds, /* Exported functions */
0, /* RPC methods */
params, /* Exported parameters */
mod_init, /* initialization module */
0, /* response function */
exec_shutdown, /* destroy function */
0, /* oncancel function */
0 /* per-child init function */
};
void exec_shutdown()
{
if (time_to_kill) destroy_kill();
}
static int mod_init( void )
{
fprintf( stderr, "exec - initializing\n");
if (time_to_kill) initialize_kill();
return 0;
}
inline static int w_exec_dset(struct sip_msg* msg, char* p1, char* foo)
{
str cmd;
str *uri;
environment_t *backup;
int ret;
if (get_str_fparam(&cmd, msg, (fparam_t*)p1) < 0) {
ERR("Error while obtaining command name\n");
return -1;
}
backup=0;
if (setvars) {
backup=set_env(msg);
if (!backup) {
LOG(L_ERR, "ERROR: w_exec_msg: no env created\n");
return -1;
}
}
if (msg->new_uri.s && msg->new_uri.len)
uri=&msg->new_uri;
else
uri=&msg->first_line.u.request.uri;
ret=exec_str(msg, &cmd, uri->s, uri->len);
if (setvars) {
unset_env(backup);
}
return ret;
}
inline static int w_exec_msg(struct sip_msg* msg, char* p1, char* foo)
{
str cmd;
environment_t *backup;
int ret;
if (get_str_fparam(&cmd, msg, (fparam_t*)p1) < 0) {
ERR("Error while obtaining command name\n");
return -1;
}
backup=0;
if (setvars) {
backup=set_env(msg);
if (!backup) {
LOG(L_ERR, "ERROR: w_exec_msg: no env created\n");
return -1;
}
}
ret=exec_msg(msg, &cmd);
if (setvars) {
unset_env(backup);
}
return ret;
}