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view extensions/app_sip/app_sip.c @ 1327:82b386714795

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Set callback data also when only setting expire callback (and not answer callback as well). It is used when calling the expire callback, so not setting it makes no sense.
author Thomas Klausner <tk@giga.or.at>
date Mon, 27 Nov 2017 15:21:20 +0100
parents 5f622da7f259
children
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/*********************************************************************************************************
* Software License Agreement (BSD License)                                                               *
* Author: Alexandre Westfahl <awestfahl@freediameter.net>						 *
*													 *
* Copyright (c) 2010, Alexandre Westfahl, Teraoka Laboratory (Keio University), and the WIDE Project. 	 *		
*													 *
* All rights reserved.											 *
* 													 *
* Redistribution and use of this software in source and binary forms, with or without modification, are  *
* permitted provided that the following conditions are met:						 *
* 													 *
* * Redistributions of source code must retain the above 						 *
*   copyright notice, this list of conditions and the 							 *
*   following disclaimer.										 *
*    													 *
* * Redistributions in binary form must reproduce the above 						 *
*   copyright notice, this list of conditions and the 							 *
*   following disclaimer in the documentation and/or other						 *
*   materials provided with the distribution.								 *
* 													 *
* * Neither the name of the Teraoka Laboratory nor the 							 *
*   names of its contributors may be used to endorse or 						 *
*   promote products derived from this software without 						 *
*   specific prior written permission of Teraoka Laboratory 						 *
*   													 *
* 													 *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 	 *
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 	 *
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF   *
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.								 *
*********************************************************************************************************/
#include "app_sip.h"

//Diameter-SIP server
struct disp_hdl * app_sip_MAR_hdl=NULL;
struct disp_hdl * app_sip_LIR_hdl=NULL;
struct disp_hdl * app_sip_UAR_hdl=NULL;
struct disp_hdl * app_sip_SAR_hdl=NULL;
struct disp_hdl * app_sip_PPA_hdl=NULL;
struct disp_hdl * app_sip_RTA_hdl=NULL;

//Suscriber Locator
struct disp_hdl * app_sip_SL_LIR_hdl=NULL;



struct disp_hdl * app_sip_default_hdl=NULL;
struct session_handler * ds_sess_hdl;

//configuration stucture
struct as_conf * as_conf=NULL;
static struct as_conf app_sip_conf;

//dictionary of SIP
struct app_sip_dict sip_dict;

int app_sip_default_cb( struct msg ** msg, struct avp * avp, struct session * sess, void * opaque, enum disp_action * act)
{
	TRACE_ENTRY("%p %p %p %p %p", msg, avp, sess, opaque, act);
	
	return 0;
}

void dump_config()
{
	TRACE_DEBUG(FULL,"***Configuration of Diameter-SIP extension***");
	TRACE_DEBUG(FULL,"# mode: *%d*",as_conf->mode);
	TRACE_DEBUG(FULL,"# datasource: *%d*",as_conf->datasource);
	TRACE_DEBUG(FULL,"# mysql_login: *%s*",as_conf->mysql_login);
	TRACE_DEBUG(FULL,"# mysql_password: *%s*",as_conf->mysql_password);
	TRACE_DEBUG(FULL,"# mysql_database: *%s*",as_conf->mysql_database);
	TRACE_DEBUG(FULL,"# mysql_server: *%s*",as_conf->mysql_server);
	TRACE_DEBUG(FULL,"# mysql_port: *%d*",as_conf->mysql_port);
	TRACE_DEBUG(FULL,"# mysql_port: *%s*",as_conf->mysql_prefix);
	TRACE_DEBUG(FULL,"***End of Diameter-SIP configuration extension***");
}

static int as_conf_init(void)
{
	as_conf=&app_sip_conf;
	//memset(app_sip_conf, 0, sizeof(struct as_conf));
	

	return 0;
}

/* entry point */
int as_entry(char * conffile)
{
	TRACE_ENTRY("%p", conffile);
	
	struct dict_object * app=NULL;
	struct disp_when data;
	pthread_t rtr_thread, ppr_thread;
	
	/* Initialize configuration */
	CHECK_FCT( as_conf_init() );
	
	
	//We parse the configuration file
	if (conffile != NULL) {
		CHECK_FCT( as_conf_handle(conffile) );
	}
	else
	{
		TRACE_DEBUG(INFO, "We need a configuration file for Diameter-SIP extension. See doc/ for an example.");
	}
	
	//TODO: replace by configuration file!!
	strcpy(as_conf->mysql_prefix,"as_");
	
	//We can dump the configuration extracted from app_sip.conf
	//dump_config();
	
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_APPLICATION, APPLICATION_BY_NAME, "Diameter Session Initiation Protocol (SIP) Application", &app, ENOENT) );
	CHECK_FCT( fd_disp_app_support ( app, NULL, 1, 0 ) );
	
	
	
	//We set useful AVPs 
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Auth-Session-State", &sip_dict.Auth_Session_State, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Auth-Application-Id", &sip_dict.Auth_Application_Id, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Destination-Host", &sip_dict.Destination_Host, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Destination-Realm", &sip_dict.Destination_Realm, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Session-Id", &sip_dict.Session_Id, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Redirect-Host", &sip_dict.Redirect_Host, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Redirect-Host-Usage", &sip_dict.Redirect_Host_Usage, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Auth-Data-Item", &sip_dict.SIP_Auth_Data_Item, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Authorization", &sip_dict.SIP_Authorization, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Authenticate", &sip_dict.SIP_Authenticate, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Number-Auth-Items", &sip_dict.SIP_Number_Auth_Items, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Authentication-Scheme", &sip_dict.SIP_Authentication_Scheme, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Authentication-Info", &sip_dict.SIP_Authentication_Info, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Server-URI", &sip_dict.SIP_Server_URI, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Server-Capabilities", &sip_dict.SIP_Server_Capabilities, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Mandatory-Capability", &sip_dict.SIP_Mandatory_Capability, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Optional-Capability", &sip_dict.SIP_Optional_Capability, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Method", &sip_dict.SIP_Method, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-AOR", &sip_dict.SIP_AOR, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Deregistration-Reason", &sip_dict.SIP_Deregistration_Reason, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Reason-Code", &sip_dict.SIP_Reason_Code, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Reason-Info", &sip_dict.SIP_Reason_Info, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Accounting-Information", &sip_dict.SIP_Accounting_Information, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Accounting-Server-URI", &sip_dict.SIP_Accounting_Server_URI, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Credit-Control-Server-URI", &sip_dict.SIP_Credit_Control_Server_URI, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Server-Assignment-Type", &sip_dict.SIP_Server_Assignment_Type, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Item-Number", &sip_dict.SIP_Item_Number, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-User-Authorization-Type", &sip_dict.SIP_User_Authorization_Type, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Supported-User-Data-Type", &sip_dict.SIP_Supported_User_Data_Type, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-User-Data", &sip_dict.SIP_User_Data, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-User-Data-Type", &sip_dict.SIP_User_Data_Type, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-User-Data-Contents", &sip_dict.SIP_User_Data_Contents, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-User-Data-Already-Available", &sip_dict.SIP_User_Data_Already_Available, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "SIP-Visited-Network-Id", &sip_dict.SIP_Visited_Network_Id, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Realm", &sip_dict.Digest_Realm, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-URI", &sip_dict.Digest_URI, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Nonce", &sip_dict.Digest_Nonce, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-CNonce", &sip_dict.Digest_CNonce, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Method", &sip_dict.Digest_Method, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Nonce-Count", &sip_dict.Digest_Nonce_Count, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Realm", &sip_dict.Digest_Realm, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Response", &sip_dict.Digest_Response, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Response-Auth", &sip_dict.Digest_Response_Auth, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Username", &sip_dict.Digest_Username, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-Algorithm", &sip_dict.Digest_Algorithm, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-QoP", &sip_dict.Digest_QOP, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "User-Name", &sip_dict.User_Name, ENOENT) );
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Digest-HA1", &sip_dict.Digest_HA1, ENOENT) );
	
	
	//Register Application
	memset(&data, 0, sizeof(data));
	CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_APPLICATION, APPLICATION_BY_NAME, "Diameter Session Initiation Protocol (SIP) Application", &data.app, ENOENT) );
	
	if(as_conf->mode==1)
	{
	  // **Command Codes
	  //MAR
	  CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Multimedia-Auth-Request", &data.command, ENOENT) );
	  CHECK_FCT( fd_disp_register( app_sip_MAR_cb, DISP_HOW_CC, &data, NULL, &app_sip_MAR_hdl ) );
	  //RTA
	  CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Registration-Termination-Answer", &data.command, ENOENT) );
	  CHECK_FCT( fd_disp_register( app_sip_RTA_cb, DISP_HOW_CC, &data, NULL, &app_sip_RTA_hdl ) );
	  //PPA
	  CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Push-Profile-Answer", &data.command, ENOENT) );
	  CHECK_FCT( fd_disp_register( app_sip_PPA_cb, DISP_HOW_CC, &data, NULL, &app_sip_PPA_hdl ) );
	  //LIR
	  CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Location-Info-Request", &data.command, ENOENT) );
	  CHECK_FCT( fd_disp_register( app_sip_LIR_cb, DISP_HOW_CC, &data, NULL, &app_sip_LIR_hdl ) );
	  //UAR
	  CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "User-Authorization-Request", &data.command, ENOENT) );
	  CHECK_FCT( fd_disp_register( app_sip_UAR_cb, DISP_HOW_CC, &data, NULL, &app_sip_UAR_hdl ) );
	  //SAR
	  CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Server-Assignment-Request", &data.command, ENOENT) );
	  CHECK_FCT( fd_disp_register( app_sip_SAR_cb, DISP_HOW_CC, &data, NULL, &app_sip_SAR_hdl ) );
	}
	if(as_conf->mode==2)
	{
	  //LIR
	  CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Location-Info-Request", &data.command, ENOENT) );
	  CHECK_FCT( fd_disp_register( app_sip_SL_LIR_cb, DISP_HOW_CC, &data, NULL, &app_sip_SL_LIR_hdl ) );
	}
	//Callback for unexpected messages
	CHECK_FCT( fd_disp_register( app_sip_default_cb, DISP_HOW_APPID, &data, NULL, &app_sip_default_hdl ) );
	
	
	//We start database connection
	if(start_mysql_connection())
		return EINVAL;
	
	CHECK_FCT(fd_sess_handler_create(&ds_sess_hdl, (void *)free, NULL, NULL));
	
	//Creation of thread for Registration Termination	
	if(pthread_create(&rtr_thread, NULL,rtr_socket, NULL))
	{
		TRACE_DEBUG(INFO,"Creation of thread failed, abort!");
		return EINVAL;
	}
	//Creation of thread for Push Profile	
	if(pthread_create(&ppr_thread, NULL,ppr_socket, NULL))
	{
		TRACE_DEBUG(INFO,"Creation of thread failed, abort!");
		return EINVAL;
	}
	
	
	return 0;
}

//Cleanup callback
void fd_ext_fini(void)
{
	//TODO:unregister other callbacks
	
	(void) fd_disp_unregister(&app_sip_MAR_hdl, NULL);
	CHECK_FCT_DO( fd_sess_handler_destroy(&ds_sess_hdl, NULL),return);
	
	
	//We close database connection
	close_mysql_connection();
	

	
	TRACE_ENTRY();
	return ;
}

EXTENSION_ENTRY("app_sip", as_entry, "dict_sip");
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