Initial commit
Change-Id: I6a4444e3c193dae437cd7929f4c39aba7b749efa
diff --git a/extensions/app_sip/registrationtermination.c b/extensions/app_sip/registrationtermination.c
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+++ b/extensions/app_sip/registrationtermination.c
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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"
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+typedef int SOCKET;
+typedef struct sockaddr_in SOCKADDR_IN;
+typedef struct sockaddr SOCKADDR;
+
+//Procedure which always wait for data on socket
+void *rtr_socket(void *arg)
+{
+ SOCKET sock;
+ SOCKADDR_IN sin, csin;
+ struct rtrsipaor rtrsip;
+ int rcvbytes=0;
+ sock = socket(AF_INET, SOCK_STREAM, 0);
+ sin.sin_addr.s_addr = inet_addr("127.0.0.1");
+ sin.sin_family = AF_INET;
+ sin.sin_port = htons(as_conf->rtr_port);
+ socklen_t sinsize = sizeof(csin);
+ int accepted=0;
+
+ if(!bind(sock, (SOCKADDR*)&sin, sizeof(sin)))
+ {
+ if(listen(sock,1))
+ {
+ TRACE_DEBUG(INFO,"ERROR on listen!");
+ }
+
+ while(1)
+ {
+ accepted=accept(sock, (struct sockaddr *)&csin,&sinsize);
+ if(accepted>-1)
+ {
+ rcvbytes=recv(accepted, &rtrsip, sizeof(struct rtrsipaor),0);
+
+ if(rcvbytes>-1)
+ {
+ //We received something, we can send an RTR
+ app_sip_RTR_cb(&rtrsip);
+ }
+ }
+ }
+ }
+ else
+ TRACE_DEBUG(INFO,"Can't create socket!");
+
+
+ pthread_exit(NULL);
+
+}
+//Called to send a RTR
+int app_sip_RTR_cb(struct rtrsipaor *structure)
+{
+ TRACE_ENTRY("%p", structure);
+
+ int got_username=0;
+ int got_streason=0;
+ int num_aor=0;//How many SIP-AOR?
+ struct dict_object * rtr_model=NULL;
+ struct msg * message=NULL;
+ struct avp *groupedavp=NULL, *avp=NULL;
+ union avp_value value;
+
+ //We must check that we have all needed value in structure
+ if(structure->username[0]!='\0')
+ got_username=1;
+
+ if(structure->sip_aor1[0]!='\0')
+ {
+ num_aor++;
+ if(structure->sip_aor2[0]!='\0')
+ {
+ num_aor++;
+ if(structure->sip_aor3[0]!='\0')
+ num_aor++;
+ }
+ }
+
+ if(structure->strreason!='\0')
+ got_streason=1;
+
+
+ TRACE_DEBUG(FULL,"Request for %d SIP_AOR to be deregistred.",num_aor);
+
+ if((got_username + num_aor)==0)
+ {
+ //We must have a least a SIP_AOR or a Username
+ TRACE_DEBUG(INFO,"Can not proceed because there is no SIP_AOR or Username");
+ return EINVAL;
+ }
+ if(structure->reason<0)
+ {
+ //We must have a least a SIP_AOR or a Username
+ TRACE_DEBUG(INFO,"Incorrect Reason-Code");
+ return EINVAL;
+ }
+
+ if(structure->desthost[0]=='\0')
+ {
+ //We must have a least a SIP_AOR or a Username
+ TRACE_DEBUG(INFO,"No Destination_Host was provided!");
+ return EINVAL;
+ }
+ //Create the base message for an RTR
+ CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_COMMAND, CMD_BY_NAME, "Registration-Termination-Request", &rtr_model, ENOENT) );
+ CHECK_FCT( fd_msg_new (rtr_model, 0, &message));
+
+ // Create a new session
+ {
+ #define APP_SIP_SID_OPT "app_sip"
+ CHECK_FCT( fd_msg_new_session( message, (os0_t)APP_SIP_SID_OPT, CONSTSTRLEN(APP_SIP_SID_OPT) ) );
+ }
+
+ //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 ( message, MSG_BRW_LAST_CHILD, avp) );
+ }
+
+ //Auth_Session_State
+ {
+ CHECK_FCT( fd_msg_avp_new ( sip_dict.Auth_Session_State, 0, &avp ) );
+ value.i32=1;
+ CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) );
+ CHECK_FCT( fd_msg_avp_add( message, MSG_BRW_LAST_CHILD, avp ) );
+ }
+
+ //Origin_Host & Origin_Realm
+ CHECK_FCT( fd_msg_add_origin ( message, 0 ));
+
+ //Destination_Host
+ {
+ CHECK_FCT( fd_msg_avp_new ( sip_dict.Destination_Host, 0, &avp ) );
+ value.os.data=(unsigned char *)structure->desthost;
+ value.os.len=(size_t)strlen(structure->desthost);
+ CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) );
+ CHECK_FCT( fd_msg_avp_add( message, MSG_BRW_LAST_CHILD, avp ) );
+ }
+
+
+ //SIP Deregistration Reason (Grouped AVP)
+ {
+ CHECK_FCT( fd_msg_avp_new ( sip_dict.SIP_Deregistration_Reason, 0, &groupedavp ) );
+
+ //Reason Code
+ CHECK_FCT( fd_msg_avp_new ( sip_dict.SIP_Reason_Code, 0, &avp ) );
+ value.i32=structure->reason;
+ CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) );
+ CHECK_FCT( fd_msg_avp_add( groupedavp, MSG_BRW_LAST_CHILD, avp ) );
+
+ if(got_streason)
+ {
+ //Reason Info
+ CHECK_FCT( fd_msg_avp_new ( sip_dict.SIP_Reason_Info, 0, &avp ) );
+ value.os.data=(unsigned char *)structure->strreason;
+ value.os.len=(size_t)strlen(structure->strreason);
+ CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) );
+ CHECK_FCT( fd_msg_avp_add( groupedavp, MSG_BRW_LAST_CHILD, avp ) );
+ }
+
+ //We add the grouped AVP to the message
+ CHECK_FCT( fd_msg_avp_add( message, MSG_BRW_LAST_CHILD, groupedavp ) );
+ }
+
+ //Username
+ {
+ if(got_username)
+ {
+ CHECK_FCT( fd_msg_avp_new ( sip_dict.User_Name, 0, &avp ) );
+ value.os.data=(unsigned char *)structure->username;
+ value.os.len=(size_t)strlen(structure->username);
+ CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) );
+ CHECK_FCT( fd_msg_avp_add( message, MSG_BRW_LAST_CHILD, avp ) );
+ }
+ }
+
+ //SIP_AOR
+ {
+ if(num_aor>0)
+ {
+ CHECK_FCT( fd_msg_avp_new ( sip_dict.SIP_AOR, 0, &avp ) );
+ value.os.data=(unsigned char *)structure->sip_aor1;
+ value.os.len=(size_t)strlen(structure->sip_aor1);
+ CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) );
+ CHECK_FCT( fd_msg_avp_add( message, MSG_BRW_LAST_CHILD, avp ) );
+ if(num_aor>1)
+ {
+ CHECK_FCT( fd_msg_avp_new ( sip_dict.SIP_AOR, 0, &avp ) );
+ value.os.data=(unsigned char *)structure->sip_aor2;
+ value.os.len=(size_t)strlen(structure->sip_aor2);
+ CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) );
+ CHECK_FCT( fd_msg_avp_add( message, MSG_BRW_LAST_CHILD, avp ) );
+ if(num_aor>2)
+ {
+ CHECK_FCT( fd_msg_avp_new ( sip_dict.SIP_AOR, 0, &avp ) );
+ value.os.data=(unsigned char *)structure->sip_aor3;
+ value.os.len=(size_t)strlen(structure->sip_aor3);
+ CHECK_FCT( fd_msg_avp_setvalue( avp, &value ) );
+ CHECK_FCT( fd_msg_avp_add( message, MSG_BRW_LAST_CHILD, avp ) );
+ }
+ }
+ }
+ }
+
+ //TODO:remove for debug
+ //fd_msg_dump_walk(INFO,message);
+ CHECK_FCT( fd_msg_send( &message, NULL, NULL ));
+
+ return 0;
+}
+
+//Called when an RTA arrive
+int app_sip_RTA_cb( struct msg ** msg, struct avp * paramavp, struct session * sess, void * opaque, enum disp_action * act)
+{
+ //TODO: RTA reception
+/*
+ //TODO:remove unused variables
+ struct msg *ans, *qry;
+ struct avp *avp, *a2, *authdataitem;
+ struct msg_hdr * header = NULL;
+ struct avp_hdr * avphdr=NULL, *avpheader=NULL, *avpheader_auth=NULL,*digestheader=NULL;
+ union avp_value val;
+ int found_cnonce=0;
+ struct avp * tempavp=NULL,*sipAuthentication=NULL,*sipAuthenticate=NULL;
+ char * result;
+ int idx=0, idx2=0, number_of_auth_items=0,i=0;
+ //Flags and variables for Database
+ int sipurinotstored=0, authenticationpending=0, querylen=0, usernamelen=0;
+ char *query=NULL,*username=NULL;
+
+
+
+ TRACE_ENTRY("%p %p %p %p", msg, avp, sess, act);
+
+ 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-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 ) );
+ }
+
+ CHECK_FCT( fd_msg_search_avp ( qry, sip_dict.SIP_Deregistration_Reason, &avp) );
+ CHECK_FCT( fd_msg_avp_hdr( avp, &avphdr ) );
+
+
+
+
+
+
+
+
+
+
+
+
+
+ */
+ return 0;
+
+}
+