Mercurial > hg > freeDiameter
view extensions/app_sip/locationinfo.c @ 1328:81af4f5a517a
Improve shutdown.
Should generate less messages that can not get sent out.
author | Thomas Klausner <tk@giga.or.at> |
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date | Mon, 27 Nov 2017 15:22:42 +0100 |
parents | 79dd22145f52 |
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" int app_sip_LIR_cb( struct msg ** msg, struct avp * paramavp, struct session * sess, void * opaque, enum disp_action * act) { TRACE_ENTRY("%p %p %p %p", msg, paramavp, sess, act); struct msg *ans, *qry; struct avp *avp, *groupedavp; struct avp_hdr *avphdr; union avp_value value; int ret=0; //Result_Code to return in the answer char result[55]; if (msg == NULL) return EINVAL; // Create answer header qry = *msg; CHECK_FCT( fd_msg_new_answer_from_req ( fd_g_config->cnf_dict, msg, 0 ) ); ans = *msg; //Add the Auth-Application-Id { CHECK_FCT( fd_msg_avp_new ( sip_dict.Auth_Application_Id, 0, &avp ) ); value.i32 = 6; CHECK_FCT( fd_msg_avp_setvalue ( avp, &value ) ); CHECK_FCT( fd_msg_avp_add ( ans, MSG_BRW_LAST_CHILD, avp) ); } // Add the Auth-Session-State AVP { CHECK_FCT( fd_msg_search_avp ( qry, sip_dict.Auth_Session_State, &avp) ); CHECK_FCT( fd_msg_avp_hdr( avp, &avphdr ) ); CHECK_FCT( fd_msg_avp_new ( sip_dict.Auth_Session_State, 0, &avp ) ); CHECK_FCT( fd_msg_avp_setvalue( avp, avphdr->avp_value ) ); CHECK_FCT( fd_msg_avp_add( ans, MSG_BRW_LAST_CHILD, avp ) ); } //Add a SIP_Server_URI { CHECK_FCT( fd_msg_search_avp ( qry, sip_dict.SIP_AOR, &avp) ); CHECK_FCT( fd_msg_avp_hdr( avp, &avphdr ) ); ret=exist_username(avphdr->avp_value->os.data, avphdr->avp_value->os.len); if(ret==2) {//error /* If the Diameter server cannot process the Diameter LIR command, e.g., due to a database error, the Diameter server MUST set the Result-Code AVP value to DIAMETER_UNABLE_TO_COMPLY and return it in a Diameter LIA message. */ strcpy(result,"DIAMETER_UNABLE_TO_COMPLY"); goto out; } else if(ret==1) {//not found /* One of the errors that the Diameter server may find is that the SIP-AOR AVP value is not a valid user in the realm. In such cases, the Diameter server MUST set the Result-Code AVP value to DIAMETER_ERROR_USER_UNKNOWN and return it in a Diameter LIA message. */ strcpy(result,"DIAMETER_ERROR_USER_UNKNOWN"); goto out; } //If we arrive here, the user is known size_t sipserverurilen; unsigned char * sipserver_uri=NULL; ret=get_sipserver_uri(avphdr->avp_value->os.data, avphdr->avp_value->os.len, &sipserver_uri, &sipserverurilen); if(ret==0) {//found if(sipserver_uri==NULL) { //There is a problem because we must get a Diameter_URI here strcpy(result,"DIAMETER_UNABLE_TO_COMPLY"); goto out; } else { CHECK_FCT( fd_msg_avp_new ( sip_dict.SIP_Server_URI, 0, &avp ) ); value.os.data=(unsigned char *)sipserver_uri; value.os.len=sipserverurilen; CHECK_FCT( fd_msg_avp_setvalue ( avp, &value ) ); CHECK_FCT( fd_msg_avp_add ( ans, MSG_BRW_LAST_CHILD, avp) ); strcpy(result,"DIAMETER_SUCCESS"); } } else if(ret==1) {//not found //We don't know this SIP_AOR in SL, that means strcpy(result,"DIAMETER_ERROR_USER_UNKNOWN"); goto out; } else {// returned 2, impossible to make request //We couldn't make the request, we must stop process! strcpy(result,"DIAMETER_UNABLE_TO_COMPLY"); goto out; } //Adding SIP-Server-Capabilities CHECK_FCT( fd_msg_avp_new ( sip_dict.SIP_Server_Capabilities, 0, &groupedavp ) ); //We add mandatory and optional capabilities ret=get_sipserver_cap(avphdr->avp_value->os.data, avphdr->avp_value->os.len, &groupedavp); if(ret==0) {//found if(sipserver_uri==NULL) { //There is a problem because we must get a Diameter_URI here strcpy(result,"DIAMETER_UNABLE_TO_COMPLY"); CHECK_FCT( fd_msg_free( groupedavp ) ); goto out; } else { CHECK_FCT( fd_msg_avp_add ( ans, MSG_BRW_LAST_CHILD, groupedavp) ); strcpy(result,"DIAMETER_SUCCESS"); } } else if(ret==1) {//not found //We don't know this SIP_AOR in SL, that means strcpy(result,"DIAMETER_ERROR_IDENTITY_NOT_REGISTERED"); CHECK_FCT( fd_msg_free( groupedavp ) ); goto out; } else {// returned 2, impossible to make request //We couldn't make the request, we must stop process! strcpy(result,"DIAMETER_UNABLE_TO_COMPLY"); CHECK_FCT( fd_msg_free( groupedavp ) ); goto out; } } out: CHECK_FCT( fd_msg_rescode_set( ans, result, NULL, NULL, 1 ) ); CHECK_FCT( fd_msg_send( msg, NULL, NULL )); return 0; }