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/*
* execution module
*
* $Id: exec_mod.c,v 1.5 2006/03/01 17:55:05 bogdan_iancu Exp $
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of openser, a free SIP server.
*
* openser 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
*
* openser 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 "../../items.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);
static int it_list_fixup(void** param, int param_no);
inline static void exec_shutdown();
/*
* Exported functions
*/
static cmd_export_t cmds[] = {
{"exec_dset", w_exec_dset, 1, it_list_fixup, REQUEST_ROUTE|FAILURE_ROUTE},
{"exec_msg", w_exec_msg, 1, it_list_fixup, REQUEST_ROUTE|FAILURE_ROUTE},
{0, 0, 0, 0, 0}
};
/*
* Exported parameters
*/
static param_export_t params[] = {
{"time_to_kill", INT_PARAM, &time_to_kill},
{"setvars", INT_PARAM, &setvars },
{0, 0, 0}
};
#ifdef STATIC_EXEC
struct module_exports exec_exports = {
#else
struct module_exports exports= {
#endif
"exec",
cmds, /* Exported functions */
params, /* Exported parameters */
0, /* exported statistics */
mod_init, /* initialization module */
0, /* response function */
exec_shutdown, /* destroy 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* cmd, char* foo)
{
str *uri;
environment_t *backup;
int ret;
str command;
xl_elem_t *model;
if(msg==0 || cmd==0)
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;
model = (xl_elem_t*)cmd;
if(xl_printf_s(msg, model, &command)<0)
{
LOG(L_ERR,
"exec:w_exec_dset: error - cannot print the format\n");
return -1;
}
DBG("exec:w_exec_dset: executing [%s]\n", command.s);
ret=exec_str(msg, command.s, uri->s, uri->len);
if (setvars) {
unset_env(backup);
}
return ret;
}
inline static int w_exec_msg(struct sip_msg* msg, char* cmd, char* foo)
{
environment_t *backup;
int ret;
#define EXEC_MSG_PRINTBUF_SIZE 1024
static char exec_msg_printbuf[EXEC_MSG_PRINTBUF_SIZE];
int printbuf_len;
xl_elem_t *model;
char *cp;
if(msg==0 || cmd==0)
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;
}
}
model = (xl_elem_t*)cmd;
if(model->next==0 && model->spec.itf==0) {
cp = model->text.s;
} else {
printbuf_len = EXEC_MSG_PRINTBUF_SIZE-1;
if(xl_printf(msg, model, exec_msg_printbuf, &printbuf_len)<0)
{
LOG(L_ERR,
"exec:w_exec_msg: error - cannot print the format\n");
return -1;
}
cp = exec_msg_printbuf;
}
DBG("exec:w_exec_msg: executing [%s]\n", cp);
ret=exec_msg(msg, cp);
if (setvars) {
unset_env(backup);
}
return ret;
}
/*
* Convert char* parameter to xl_elem parameter
*/
static int it_list_fixup(void** param, int param_no)
{
xl_elem_t *model;
if(param_no==1)
{
if(*param)
{
if(xl_parse_format((char*)(*param), &model, XL_DISABLE_COLORS)<0)
{
LOG(L_ERR, "ERROR:exec:it_list_fixup: wrong format[%s]\n",
(char*)(*param));
return E_UNSPEC;
}
*param = (void*)model;
}
} else {
LOG(L_ERR, "ERROR:exec:it_list_fixup: wrong format[%s]\n",
(char*)(*param));
return E_UNSPEC;
}
return 0;
}
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