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224 lines
4.9 KiB
224 lines
4.9 KiB
/**
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* $Id$
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*
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* Copyright (C) 2011 Daniel-Constantin Mierla (asipto.com)
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* Kamailio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* Kamailio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include "../../sr_module.h"
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#include "../../dprint.h"
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#include "../../ut.h"
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#include "../../mod_fix.h"
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#include "app_mono_api.h"
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MODULE_VERSION
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/** parameters */
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/* List of allowed chars for a prefix*/
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static int mod_init(void);
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static void mod_destroy(void);
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static int child_init(int rank);
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static int w_app_mono_exec(struct sip_msg *msg, char *script, char *mparam);
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static int w_app_mono_run(struct sip_msg *msg, char *mparam, char *extra);
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static int fixup_mono_exec(void** param, int param_no);
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int app_mono_load_param(modparam_t type, void *val);
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int app_mono_register_param(modparam_t type, void *val);
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static param_export_t params[]={
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{"load", PARAM_STRING|USE_FUNC_PARAM, (void*)app_mono_load_param},
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{"register", PARAM_STRING|USE_FUNC_PARAM, (void*)app_mono_register_param},
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{0, 0, 0}
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};
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static cmd_export_t cmds[]={
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{"mono_exec", (cmd_function)w_app_mono_exec, 1, fixup_mono_exec,
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0, ANY_ROUTE},
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{"mono_exec", (cmd_function)w_app_mono_exec, 2, fixup_mono_exec,
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0, ANY_ROUTE},
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{"mono_run", (cmd_function)w_app_mono_run, 0, 0,
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0, ANY_ROUTE},
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{"mono_run", (cmd_function)w_app_mono_run, 1, fixup_spve_null,
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0, ANY_ROUTE},
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{0, 0, 0, 0, 0, 0}
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};
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struct module_exports exports = {
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"app_mono",
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RTLD_NOW | RTLD_GLOBAL, /* dlopen flags */
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cmds,
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params,
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0,
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0, /* exported MI functions */
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0, /* exported pseudo-variables */
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0, /* extra processes */
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mod_init, /* module initialization function */
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0, /* response function */
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mod_destroy, /* destroy function */
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child_init /* per child init function */
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};
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/**
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* init module function
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*/
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static int mod_init(void)
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{
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mono_sr_init_mod();
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return 0;
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}
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/* each child get a new connection to the database */
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static int child_init(int rank)
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{
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if(rank==PROC_MAIN || rank==PROC_TCP_MAIN)
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return 0; /* do nothing for the main process */
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if (rank==PROC_INIT)
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{
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/* do a probe before forking */
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if(mono_sr_init_probe()!=0)
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return -1;
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return 0;
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}
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if(mono_sr_init_child()<0)
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return -1;
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if(mono_sr_init_load()<0)
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return -1;
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return 0;
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}
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static void mod_destroy(void)
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{
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mono_sr_destroy();
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}
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char _mono_buf_stack[2][512];
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/**
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*
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*/
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static int w_app_mono_exec(struct sip_msg *msg, char *script, char *mparam)
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{
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str s;
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str p;
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if(!mono_sr_initialized())
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{
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LM_ERR("Lua env not intitialized");
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return -1;
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}
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if(fixup_get_svalue(msg, (gparam_p)script, &s)<0)
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{
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LM_ERR("cannot get the script\n");
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return -1;
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}
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if(s.len>=511)
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{
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LM_ERR("script too long %d\n", s.len);
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return -1;
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}
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if(mparam!=NULL)
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{
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if(fixup_get_svalue(msg, (gparam_p)mparam, &p)<0)
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{
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LM_ERR("cannot get the parameter\n");
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return -1;
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}
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if(p.len>=511)
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{
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LM_ERR("parameter value too long %d\n", p.len);
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return -1;
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}
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memcpy(_mono_buf_stack[1], p.s, p.len);
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_mono_buf_stack[1][p.len] = '\0';
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}
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memcpy(_mono_buf_stack[0], s.s, s.len);
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_mono_buf_stack[0][s.len] = '\0';
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return app_mono_exec(msg, _mono_buf_stack[0],
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(mparam)?_mono_buf_stack[1]:NULL);
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}
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/**
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*
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*/
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static int w_app_mono_run(struct sip_msg *msg, char *mparam, char *extra)
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{
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str p;
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if(!mono_sr_initialized())
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{
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LM_ERR("Lua env not intitialized");
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return -1;
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}
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if(mparam!=NULL)
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{
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if(fixup_get_svalue(msg, (gparam_p)mparam, &p)<0)
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{
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LM_ERR("cannot get the parameter\n");
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return -1;
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}
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if(p.len>=511)
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{
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LM_ERR("parameter value too long %d\n", p.len);
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return -1;
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}
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memcpy(_mono_buf_stack[0], p.s, p.len);
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_mono_buf_stack[0][p.len] = '\0';
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}
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return app_mono_run(msg, (mparam)?_mono_buf_stack[0]:NULL);
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}
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int app_mono_load_param(modparam_t type, void *val)
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{
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if(val==NULL)
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return -1;
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return sr_mono_load_script((char*)val);
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}
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int app_mono_register_param(modparam_t type, void *val)
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{
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if(val==NULL)
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return -1;
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return sr_mono_register_module((char*)val);
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}
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static int fixup_mono_exec(void** param, int param_no)
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{
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if(sr_mono_assembly_loaded())
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{
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LM_ERR("cannot use lua_exec(...) when an assembly is loaded\n");
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return -1;
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}
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return fixup_spve_null(param, 1);
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}
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