/* returns -1 on error. */
int
osip_message_set_cseq (osip_message_t * sip, const char *hvalue)
{
int i;
if (hvalue==NULL || hvalue[0]=='\0')
return 0;
if (sip->cseq != NULL)
return -1;
i = osip_cseq_init (&(sip->cseq));
if (i != 0)
return -1;
#ifdef USE_TMP_BUFFER
sip->message_property = 2;
#endif
i = osip_cseq_parse (sip->cseq, hvalue);
if (i != 0)
{
osip_cseq_free (sip->cseq);
sip->cseq = NULL;
return -1;
}
return 0;
}
int
osip_cseq_clone (const osip_cseq_t * cseq, osip_cseq_t ** dest)
{
int i;
osip_cseq_t *cs;
*dest = NULL;
if (cseq == NULL)
return -1;
if (cseq->method == NULL)
return -1;
if (cseq->number == NULL)
return -1;
i = osip_cseq_init (&cs);
if (i != 0)
{
osip_cseq_free (cs);
return -1;
}
cs->method = osip_strdup (cseq->method);
cs->number = osip_strdup (cseq->number);
*dest = cs;
return 0;
}
int
osip_cseq_clone (const osip_cseq_t * cseq, osip_cseq_t ** dest)
{
int i;
osip_cseq_t *cs;
*dest = NULL;
if (cseq == NULL)
return OSIP_BADPARAMETER;
if (cseq->method == NULL)
return OSIP_BADPARAMETER;
if (cseq->number == NULL)
return OSIP_BADPARAMETER;
i = osip_cseq_init (&cs);
if (i != 0) {
osip_cseq_free (cs);
return i;
}
cs->method = osip_strdup (cseq->method);
cs->number = osip_strdup (cseq->number);
*dest = cs;
return OSIP_SUCCESS;
}
/* returns -1 on error. */
int osip_message_set_cseq(osip_message_t * sip, const char *hvalue)
{
int i;
if (hvalue == NULL || hvalue[0] == '\0')
return OSIP_SUCCESS;
if (sip->cseq != NULL)
return OSIP_BADPARAMETER;
i = osip_cseq_init(&(sip->cseq));
if (i != 0)
return i;
sip->message_property = 2;
i = osip_cseq_parse(sip->cseq, hvalue);
if (i != 0) {
osip_cseq_free(sip->cseq);
sip->cseq = NULL;
return i;
}
return OSIP_SUCCESS;
}
int Node::SndRegister(REG_TYPE type ,
ChordId req_uri ,
ChordId to ,
ChordId contact ,
BOOL IncludeSuccList)
{
char *message1;
unsigned int len = 0;
osip_transaction_t *transaction;
osip_event_t *sipevent;
osip_message_t *request;
/* temp uri */
char * tmp_uri;
int i;
i = osip_message_init(&request);
if (i!=0)
goto si2perror1;
/* prepare the request-line */
osip_message_set_method(request, osip_strdup("REGISTER"));
osip_message_set_version(request, osip_strdup("SIP/2.0"));
osip_message_set_status_code(request, 0);
osip_message_set_reason_phrase(request, NULL);
//requset uri
if(type == MULTICAST)
{
tmp_uri = osip_strdup("sip:224.0.1.75") ;
}
else
tmp_uri = ChordId2Uri(req_uri,false) ;
osip_uri_t *uri;
i=osip_uri_init(&uri);
if (i!=0)
goto si2perror2;
i=osip_uri_parse(uri, tmp_uri );
if(tmp_uri) osip_free(tmp_uri) ;
if (i!=0)
goto si2perror2;
osip_message_set_uri(request , uri) ;
if(type == JOIN)
{
tmp_uri = ChordId2Uri(to,false) ;
/* when JOIN , to and from are same */
osip_message_set_to(request, tmp_uri );
osip_message_set_from(request, tmp_uri);
if (tmp_uri) osip_free(tmp_uri) ;
osip_from_param_add (request->from, osip_strdup ("user"), osip_strdup("join"));
}
else if(type == FINDSUCC)
{
tmp_uri = ChordId2Uri(to,true) ;
osip_message_set_to(request, tmp_uri );
if (tmp_uri) osip_free(tmp_uri) ;
tmp_uri = ChordId2Uri(chordId,false);
osip_message_set_from(request, tmp_uri );
if (tmp_uri) osip_free(tmp_uri) ;
osip_from_param_add (request->from, osip_strdup ("user"), osip_strdup("findsucc"));
//has no contact
}
else if(type == STABILIZE)
{
tmp_uri = ChordId2Uri(to,false);
osip_message_set_to(request, tmp_uri);
if (tmp_uri) osip_free(tmp_uri) ;
tmp_uri = ChordId2Uri(chordId,false) ;
osip_message_set_from(request, tmp_uri );
osip_from_param_add (request->from, osip_strdup ("user"), osip_strdup("stabilize"));
if (tmp_uri) osip_free(tmp_uri) ;
//contact
tmp_uri = ChordId2Uri(chordId,false);
char * pre_uri = ChordId2Uri(getFingerTable()->getPredecessor(),false) ;
char *ctt = (char *) osip_malloc(strlen(tmp_uri) + strlen(";predecessor=") + strlen(pre_uri) +1) ;
if (ctt == NULL)
return NULL;
sprintf (ctt, "%s;predecessor=%s", tmp_uri,pre_uri);
osip_free(tmp_uri) ; osip_free(pre_uri) ;
osip_message_set_contact(request, ctt );
osip_free(ctt) ;
}
else if(type == LEAVE)
{
tmp_uri = ChordId2Uri(to,false) ;
osip_message_set_to(request, tmp_uri );
if (tmp_uri) osip_free(tmp_uri) ;
tmp_uri = ChordId2Uri(chordId,false) ;
osip_message_set_from(request, tmp_uri );
if (tmp_uri) osip_free(tmp_uri) ;
osip_from_param_add (request->from, osip_strdup ("user"), osip_strdup("leave"));
//contact
tmp_uri = ChordId2Uri(chordId,false);
char * pre_uri = ChordId2Uri(getFingerTable()->getPredecessor(),false) ;
char *ctt = (char *) osip_malloc(strlen(tmp_uri) + strlen(";predecessor=") + strlen(pre_uri) +1) ;
if (ctt == NULL)
return NULL;
sprintf (ctt, "%s;predecessor=%s", tmp_uri,pre_uri);
osip_free(tmp_uri) ; osip_free(pre_uri) ;
osip_message_set_contact(request, ctt );
osip_free(ctt) ;
//succlist
if(IncludeSuccList)
{
for(i = 0 ; i < getFingerTable()->getSuccNum() ; i++)
{
tmp_uri = ChordId2Uri(getFingerTable()->getSuccessor(i),false) ;
osip_message_set_contact(request, tmp_uri );
osip_free(tmp_uri) ;
}
}
}//type == LEAVE
if(type == MULTICAST)
{
tmp_uri = ChordId2Uri(chordId,false);
/* when JOIN , to and from are same */
osip_message_set_to(request, tmp_uri );
osip_message_set_from(request, tmp_uri);
osip_from_param_add (request->from, osip_strdup ("user"), osip_strdup("multicast"));
osip_free(tmp_uri) ;
//no contact
}//type == MULTIPL
//---set call_id and cseq
osip_call_id_t *callid;
osip_cseq_t *cseq;
char *num;
char *cidrand;
char *register_callid_number ;
/* call-id is always the same for REGISTRATIONS */
i = osip_call_id_init(&callid);
if (i!=0)
goto si2perror2;
cidrand = osip_strdup("BF9598C48B184EBBAFADFE527EED8186") ;
osip_call_id_set_number(callid, cidrand);
register_callid_number = cidrand;
osip_call_id_set_host(callid, osip_strdup("SI2P.COM"));
request->call_id = callid;
//cseq
i = osip_cseq_init(&cseq);
if (i!=0)
goto si2perror2 ;
num = osip_strdup("1");
osip_cseq_set_number(cseq, num);
osip_cseq_set_method(cseq, osip_strdup("REGISTER"));
request->cseq = cseq;
/*the Max-Forward header */
osip_message_set_max_forwards(request, "5"); /* a UA should start a request with 70 */
/* the via header */
char tmp[200];
unsigned int branch;
branch=osip_build_random_number();
snprintf(tmp, 200, "SIP/2.0/%s %s:%s;rport;branch=z9hG4bK%u", "UDP",
localip,
localport,
branch );
osip_message_set_via(request, tmp);
/* the UA header */
osip_message_set_user_agent(request, user_agent);
/* the expires header */
char exp[10]; /* MUST never be ouside 1 and 3600 */
snprintf(exp, 9, "%i", expires);
osip_message_set_expires(request, exp);
osip_message_set_content_length(request, "0");
/*** then must wake up osip ***/
i = osip_transaction_init(&transaction,
NICT,
adosip->j_osip,
request);
if (i!=0)
goto si2perror2 ;
//jr->r_last_tr = transaction;
/* send REGISTER */
i = osip_message_to_str(request, &message1, &len);
LogStream("SEND======================================>>\n") ;
LogStream(message1) ;
if(message1) osip_free(message1) ;
// printf("SEND======================================>>\n") ;
// printf(message1) ;
sipevent = osip_new_outgoing_sipmessage(request);
sipevent->transactionid = transaction->transactionid;
osip_message_force_update(request);
osip_transaction_add_event(transaction, sipevent);
adosip->ThreadWakeUp();
return 0;
si2perror1:
if(request != NULL)osip_message_free(request);
return -1 ;
si2perror2:
if(request != NULL)osip_message_free(request);
return -1;
}
int Node::SndUserRegisterRequest(char *aor ,const char *requri)
{
char *message1;
unsigned int len = 0;
osip_transaction_t *transaction;
osip_event_t *sipevent;
osip_message_t *request;
int i;
i = osip_message_init(&request);
if (i!=0)
goto si2perror1;
/* prepare the request-line */
osip_message_set_method(request, osip_strdup("REGISTER"));
osip_message_set_version(request, osip_strdup("SIP/2.0"));
osip_message_set_status_code(request, 0);
osip_message_set_reason_phrase(request, NULL);
//requset uri
osip_uri_t *uri;
i=osip_uri_init(&uri);
if (i!=0)
goto si2perror2;
i=osip_uri_parse(uri, requri);
if (i!=0)
goto si2perror2;
osip_message_set_uri(request , uri) ;
//to from ,no contact
osip_message_set_to(request,aor);
osip_message_set_from(request,aor);
osip_from_param_add(request->from,osip_strdup("user"),osip_strdup("user_query"));
//---set call_id and cseq
osip_call_id_t *callid;
osip_cseq_t *cseq;
char *num;
char *cidrand;
char *register_callid_number ;
/* call-id is always the same for REGISTRATIONS */
i = osip_call_id_init(&callid);
if (i!=0)
goto si2perror2;
cidrand = osip_strdup("BF9598C48B184EBBAFADFE527EED8186") ;
osip_call_id_set_number(callid, cidrand);
register_callid_number = cidrand;
osip_call_id_set_host(callid, osip_strdup("SI2P.COM"));
request->call_id = callid;
//cseq
i = osip_cseq_init(&cseq);
if (i!=0)
goto si2perror2 ;
num = osip_strdup("1");
osip_cseq_set_number(cseq, num);
osip_cseq_set_method(cseq, osip_strdup("REGISTER"));
request->cseq = cseq;
/*the Max-Forward header */
osip_message_set_max_forwards(request, "5"); /* a UA should start a request with 70 */
/* the via header */
char tmp[200];
unsigned int branch;
branch=osip_build_random_number();
snprintf(tmp, 200, "SIP/2.0/%s %s:%s;rport;branch=z9hG4bK%u", "UDP",
localip,
localport,
branch );
osip_message_set_via(request, tmp);
/* the UA header */
osip_message_set_user_agent(request, user_agent);
/* the expires header */
char exp[10]; /* MUST never be ouside 1 and 3600 */
snprintf(exp, 9, "%i", expires);
osip_message_set_expires(request, exp);
osip_message_set_content_length(request, "0");
/*** then must wake up osip ***/
i = osip_transaction_init(&transaction,
NICT,
adosip->j_osip,
request);
if (i!=0)
goto si2perror2 ;
/* send REGISTER */
i = osip_message_to_str(request, &message1, &len);
LogStream("SEND======================================>>\n") ;
LogStream(message1) ;
if(message1) osip_free(message1) ;
sipevent = osip_new_outgoing_sipmessage(request);
sipevent->transactionid = transaction->transactionid;
osip_message_force_update(request);
osip_transaction_add_event(transaction, sipevent);
adosip->ThreadWakeUp();
return 0;
si2perror1:
if(request != NULL)osip_message_free(request);
return -1 ;
si2perror2:
if(request != NULL)osip_message_free(request);
return -1;
return 0;
}
int
Node::SndUserRegisterRequest(REG_TYPE type,
uinfo_t *user_info,
const char *registrar,
int expires)
{
char *message1;
unsigned int len = 0;
osip_message_t *request;
osip_event_t *sipevent;
osip_transaction_t *transaction;
osip_uri_t *uri;
char *tmp_uri;
int i;
i=osip_message_init(&request);
if(i!=0)
goto si2perror1;
osip_message_set_method(request,strdup("REGISTER"));
osip_message_set_version(request,strdup("SIP/2.0"));
osip_message_set_status_code(request,0);
osip_message_set_reason_phrase(request,NULL);
i=osip_uri_init(&uri);
if(i!=0)
goto si2perror2;
i=osip_uri_parse(uri,osip_strdup(registrar));
osip_message_set_uri(request,uri);
//*set to,from and header
if(type==USER_REGISTRATION)
{
char *dest1;
char *dest2;
osip_uri_to_str(user_info->aor->uri,&dest1);
i=osip_message_set_to(request,dest1);
i=osip_message_set_from(request,dest1);
if(dest1) osip_free(dest1) ;
osip_from_param_add (request->from, osip_strdup ("user"), osip_strdup("user_registration"));
osip_contact_to_str(user_info->bindings->contact,&dest2);
i=osip_message_set_contact(request,osip_strdup(dest2));
if(dest2) osip_free(dest2) ;
}
if(type == RED_REGISTER)
{
char *dest1;
char *dest2;
osip_uri_to_str(user_info->aor->uri,&dest1);
i=osip_message_set_to(request,dest1);
i=osip_message_set_from(request,dest1);
if(dest1) osip_free(dest1) ;
osip_from_param_add (request->from, osip_strdup ("user"), osip_strdup("red_register"));
osip_contact_to_str(user_info->bindings->contact,&dest2);
i=osip_message_set_contact(request,osip_strdup(dest2));
if(dest2) osip_free(dest2) ;
}
if(type==TRANSFER_REGISTRATION)
{
char *dest1;
char *dest2;
//string tmp_uri;
osip_uri_to_str(user_info->aor->uri,&dest1);
osip_message_set_to(request,dest1);
if(dest1) osip_free(dest1) ;
tmp_uri = ChordId2Uri(chordId,false);
osip_message_set_from(request,tmp_uri);
osip_from_param_add (request->from, osip_strdup ("user"), osip_strdup("transfer_registration"));
if(tmp_uri) osip_free(tmp_uri) ;
osip_contact_to_str(user_info->bindings->contact,&dest2);
osip_message_set_contact(request,dest2);
if(dest2) osip_free(dest2) ;
}
if(type==THIRD_PARTY)
{
//todo
}
//---set call_id and cseq
osip_call_id_t *callid;
osip_cseq_t *cseq;
char *num;
char *cidrand;
char *register_callid_number ;
//* call-id is always the same for REGISTRATIONS
i = osip_call_id_init(&callid);
if (i!=0)
goto si2perror2;
cidrand = osip_strdup("BF9598C48B184EBBAFADFE527EED8186") ;
osip_call_id_set_number(callid, cidrand);
register_callid_number = cidrand;
osip_call_id_set_host(callid, osip_strdup("SI2P.COM"));
request->call_id = callid;
//cseq
i = osip_cseq_init(&cseq);
if (i!=0)
goto si2perror2 ;
num = osip_strdup("1");
osip_cseq_set_number(cseq, num);
osip_cseq_set_method(cseq, osip_strdup("REGISTER"));
request->cseq = cseq;
//*the Max-Forward header
osip_message_set_max_forwards(request, "5"); //* a UA should start a request with 70
//* the via header
char tmp[200];
snprintf(tmp, 200, "SIP/2.0/%s %s:%s;rport;branch=z9hG4bK%u", "UDP",
localip,
localport,
via_branch_new_random() );
osip_message_set_via(request, tmp);
//* the UA header
osip_message_set_user_agent(request, user_agent);
//* the expires header
char exp[10]; //* MUST never be ouside 1 and 3600
snprintf(exp, 9, "%i", expires);
osip_message_set_expires(request, exp);
osip_message_set_content_length(request, "0");
//*** then must wake up osip
i = osip_transaction_init(&transaction,
NICT,
adosip->j_osip,
request);
if (i!=0)
goto si2perror3 ;
//* send REGISTER
i = osip_message_to_str(request, &message1, &len);
LogStream("SEND======================================>>\n") ;
LogStream(message1) ;
if(message1) osip_free(message1) ;
// printf("SEND======================================>>\n") ;
// printf(message1) ;
sipevent = osip_new_outgoing_sipmessage(request);
sipevent->transactionid = transaction->transactionid;
osip_message_force_update(request);
osip_transaction_add_event(transaction, sipevent);
adosip->ThreadWakeUp();
return 0;
si2perror1:
return -1;
si2perror2:
if(request!=NULL)
osip_message_free(request);
return -1;
si2perror3:
if(transaction!=NULL)
osip_message_free(request);
return -1;
}
int
_eXosip_build_request_within_dialog (osip_message_t ** dest,
const char *method,
osip_dialog_t * dialog, const char *transport)
{
int i;
osip_message_t *request;
char locip[65];
char firewall_ip[65];
char firewall_port[10];
*dest = NULL;
if (dialog == NULL)
return OSIP_BADPARAMETER;
if (eXosip.eXtl == NULL)
return OSIP_NO_NETWORK;
if (eXosip.eXtl->tl_get_masquerade_contact != NULL)
{
eXosip.eXtl->tl_get_masquerade_contact (firewall_ip, sizeof (firewall_ip),
firewall_port,
sizeof (firewall_port));
}
i = osip_message_init (&request);
if (i != 0)
return i;
if (dialog->remote_contact_uri == NULL)
{
/* this dialog is probably not established! or the remote UA
is not compliant with the latest RFC
*/
osip_message_free (request);
return OSIP_SYNTAXERROR;
}
memset (locip, '\0', sizeof (locip));
eXosip_guess_ip_for_via (eXosip.eXtl->proto_family, locip, 49);
if (locip[0] == '\0')
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: no default interface defined\n"));
osip_message_free (request);
return OSIP_NO_NETWORK;
}
/* prepare the request-line */
request->sip_method = osip_strdup (method);
if (request->sip_method == NULL)
{
osip_message_free (request);
return OSIP_NOMEM;
}
request->sip_version = osip_strdup ("SIP/2.0");
if (request->sip_version == NULL)
{
osip_message_free (request);
return OSIP_NOMEM;
}
request->status_code = 0;
request->reason_phrase = NULL;
/* and the request uri???? */
if (osip_list_eol (&dialog->route_set, 0))
{
/* The UAC must put the remote target URI (to field) in the req_uri */
i = osip_uri_clone (dialog->remote_contact_uri->url, &(request->req_uri));
if (i != 0)
{
osip_message_free (request);
return i;
}
} else
{
/* fill the request-uri, and the route headers. */
i = dialog_fill_route_set (dialog, request);
if (i != 0)
{
osip_message_free (request);
return i;
}
}
/* To and From already contains the proper tag! */
i = osip_to_clone (dialog->remote_uri, &(request->to));
if (i != 0)
{
osip_message_free (request);
return i;
}
i = osip_from_clone (dialog->local_uri, &(request->from));
if (i != 0)
{
osip_message_free (request);
return i;
}
/* set the cseq and call_id header */
osip_message_set_call_id (request, dialog->call_id);
if (0 == strcmp ("ACK", method))
{
osip_cseq_t *cseq;
char *tmp;
i = osip_cseq_init (&cseq);
if (i != 0)
{
osip_message_free (request);
return i;
}
tmp = osip_malloc (20);
if (tmp == NULL)
{
osip_message_free (request);
return OSIP_NOMEM;
}
sprintf (tmp, "%i", dialog->local_cseq);
osip_cseq_set_number (cseq, tmp);
osip_cseq_set_method (cseq, osip_strdup (method));
request->cseq = cseq;
} else
{
osip_cseq_t *cseq;
char *tmp;
i = osip_cseq_init (&cseq);
if (i != 0)
{
osip_message_free (request);
return i;
}
dialog->local_cseq++; /* we should we do that?? */
tmp = osip_malloc (20);
if (tmp == NULL)
{
osip_message_free (request);
return OSIP_NOMEM;
}
sprintf (tmp, "%i", dialog->local_cseq);
osip_cseq_set_number (cseq, tmp);
osip_cseq_set_method (cseq, osip_strdup (method));
request->cseq = cseq;
}
/* always add the Max-Forward header */
osip_message_set_max_forwards (request, "70"); /* a UA should start a request with 70 */
i = _eXosip_request_add_via (request, transport, locip);
if (i != 0)
{
osip_message_free (request);
return i;
}
/* add specific headers for each kind of request... */
{
char contact[200];
if (firewall_ip[0] != '\0')
{
char *c_address = request->req_uri->host;
struct addrinfo *addrinfo;
struct __eXosip_sockaddr addr;
i =
eXosip_get_addrinfo (&addrinfo, request->req_uri->host, 5060,
IPPROTO_UDP);
if (i == 0)
{
memcpy (&addr, addrinfo->ai_addr, addrinfo->ai_addrlen);
eXosip_freeaddrinfo (addrinfo);
c_address = inet_ntoa (((struct sockaddr_in *) &addr)->sin_addr);
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_INFO1, NULL,
"eXosip: here is the resolved destination host=%s\n",
c_address));
}
if (eXosip_is_public_address (c_address))
{
sprintf (contact, "<sip:%s@%s:%s>",
dialog->local_uri->url->username, firewall_ip, firewall_port);
} else
{
sprintf (contact, "<sip:%s@%s:%s>",
dialog->local_uri->url->username, locip, firewall_port);
}
} else
{
sprintf (contact, "<sip:%s@%s:%s>", dialog->local_uri->url->username,
locip, firewall_port);
}
osip_message_set_contact (request, contact);
/* Here we'll add the supported header if it's needed! */
/* the require header must be added by the upper layer if needed */
}
if (0 == strcmp ("NOTIFY", method))
{
} else if (0 == strcmp ("INFO", method))
{
} else if (0 == strcmp ("OPTIONS", method))
{
osip_message_set_accept (request, "application/sdp");
} else if (0 == strcmp ("ACK", method))
{
/* The ACK MUST contains the same credential than the INVITE!! */
/* TODO... */
}
osip_message_set_user_agent (request, eXosip.user_agent);
/* else if ... */
*dest = request;
return OSIP_SUCCESS;
}
/*
method is the type of request. ("INVITE", "REGISTER"...)
to is the remote target URI
transport is either "TCP" or "UDP" (by now, only UDP is implemented!)
*/
int
generating_request_out_of_dialog (osip_message_t ** dest, const char *method,
const char *to, const char *transport,
const char *from, const char *proxy)
{
/* Section 8.1:
A valid request contains at a minimum "To, From, Call-iD, Cseq,
Max-Forwards and Via
*/
int i;
osip_message_t *request;
char locip[65];
int doing_register;
char *register_callid_number = NULL;
*dest = NULL;
if (eXosip.eXtl == NULL)
return OSIP_NO_NETWORK;
/*guess the local ip since req uri is known */
memset (locip, '\0', sizeof (locip));
eXosip_guess_ip_for_via (eXosip.eXtl->proto_family, locip, 49);
if (locip[0] == '\0')
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: no default interface defined\n"));
return OSIP_NO_NETWORK;
}
i = osip_message_init (&request);
if (i != 0)
return i;
/* prepare the request-line */
osip_message_set_method (request, osip_strdup (method));
osip_message_set_version (request, osip_strdup ("SIP/2.0"));
osip_message_set_status_code (request, 0);
osip_message_set_reason_phrase (request, NULL);
doing_register = 0 == strcmp ("REGISTER", method);
if (doing_register)
{
osip_uri_init (&(request->req_uri));
i = osip_uri_parse (request->req_uri, proxy);
if (i != 0)
{
osip_message_free (request);
return i;
}
i = osip_message_set_to (request, from);
if (i != 0 || request->to == NULL)
{
if (i >= 0)
i = OSIP_SYNTAXERROR;
osip_message_free (request);
return i;
}
} else
{
/* in any cases except REGISTER: */
i = osip_message_set_to (request, to);
if (i != 0 || request->to == NULL)
{
if (i >= 0)
i = OSIP_SYNTAXERROR;
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"ERROR: callee address does not seems to be a sipurl: %s\n",
to));
osip_message_free (request);
return i;
}
/* REMOVE ALL URL PARAMETERS from to->url headers and add them as headers */
if (request->to != NULL && request->to->url != NULL)
{
osip_uri_t *url = request->to->url;
while (osip_list_size (&url->url_headers) > 0)
{
osip_uri_header_t *u_header;
u_header = (osip_uri_param_t *) osip_list_get (&url->url_headers, 0);
if (u_header == NULL)
break;
if (osip_strcasecmp (u_header->gname, "from") == 0)
{
} else if (osip_strcasecmp (u_header->gname, "to") == 0)
{
} else if (osip_strcasecmp (u_header->gname, "call-id") == 0)
{
} else if (osip_strcasecmp (u_header->gname, "cseq") == 0)
{
} else if (osip_strcasecmp (u_header->gname, "via") == 0)
{
} else if (osip_strcasecmp (u_header->gname, "contact") == 0)
{
} else
osip_message_set_header (request, u_header->gname,
u_header->gvalue);
osip_list_remove (&url->url_headers, 0);
osip_uri_param_free (u_header);
}
}
if (proxy != NULL && proxy[0] != 0)
{ /* equal to a pre-existing route set */
/* if the pre-existing route set contains a "lr" (compliance
with bis-08) then the req_uri should contains the remote target
URI */
osip_uri_param_t *lr_param;
osip_route_t *o_proxy;
osip_route_init (&o_proxy);
i = osip_route_parse (o_proxy, proxy);
if (i != 0)
{
osip_route_free (o_proxy);
osip_message_free (request);
return i;
}
osip_uri_uparam_get_byname (o_proxy->url, "lr", &lr_param);
if (lr_param != NULL) /* to is the remote target URI in this case! */
{
osip_uri_clone (request->to->url, &(request->req_uri));
/* "[request] MUST includes a Route header field containing
the route set values in order." */
osip_list_add (&request->routes, o_proxy, 0);
} else
/* if the first URI of route set does not contain "lr", the req_uri
is set to the first uri of route set */
{
request->req_uri = o_proxy->url;
o_proxy->url = NULL;
osip_route_free (o_proxy);
/* add the route set */
/* "The UAC MUST add a route header field containing
the remainder of the route set values in order.
The UAC MUST then place the remote target URI into
the route header field as the last value
*/
osip_message_set_route (request, to);
}
} else /* No route set (outbound proxy) is used */
{
/* The UAC must put the remote target URI (to field) in the req_uri */
i = osip_uri_clone (request->to->url, &(request->req_uri));
if (i != 0)
{
osip_message_free (request);
return i;
}
}
}
/* set To and From */
i = osip_message_set_from (request, from);
if (i != 0 || request->from == NULL)
{
if (i >= 0)
i = OSIP_SYNTAXERROR;
osip_message_free (request);
return i;
}
/* add a tag */
osip_from_set_tag (request->from, osip_from_tag_new_random ());
/* set the cseq and call_id header */
{
osip_call_id_t *callid;
osip_cseq_t *cseq;
char *num;
char *cidrand;
/* call-id is always the same for REGISTRATIONS */
i = osip_call_id_init (&callid);
if (i != 0)
{
osip_message_free (request);
return i;
}
cidrand = osip_call_id_new_random ();
osip_call_id_set_number (callid, cidrand);
if (doing_register)
register_callid_number = cidrand;
request->call_id = callid;
i = osip_cseq_init (&cseq);
if (i != 0)
{
osip_message_free (request);
return i;
}
num = osip_strdup (doing_register ? "1" : "20");
osip_cseq_set_number (cseq, num);
osip_cseq_set_method (cseq, osip_strdup (method));
request->cseq = cseq;
if (cseq->method == NULL || cseq->number == NULL)
{
osip_message_free (request);
return OSIP_NOMEM;
}
}
i = _eXosip_request_add_via (request, transport, locip);
if (i != 0)
{
osip_message_free (request);
return i;
}
/* always add the Max-Forward header */
osip_message_set_max_forwards (request, "70"); /* a UA should start a request with 70 */
if (0 == strcmp ("REGISTER", method))
{
} else if (0 == strcmp ("INFO", method))
{
} else if (0 == strcmp ("OPTIONS", method))
{
osip_message_set_accept (request, "application/sdp");
}
osip_message_set_user_agent (request, eXosip.user_agent);
/* else if ... */
*dest = request;
return OSIP_SUCCESS;
}
int bSipRegisterBuild(osip_message_t **regMsgPtrPtr)
{
static int gSeqNum = 1;
int status;
char *callidNumberStr = NULL;
char *seqNumStr = NULL;
osip_call_id_t *callidPtr;
char temp[MESSAGE_ENTRY_MAX_LENGTH];
char sipPort[MESSAGE_ENTRY_MAX_LENGTH];
osip_cseq_t *cseqPtr;
unsigned int number;
osip_message_t *regMsgPtr;
char expires[10];
if((status = osip_message_init(®MsgPtr)) != 0){
OSIP_TRACE(osip_trace(__FILE__,__LINE__,OSIP_BUG,NULL,"Can't init message!\n"));
return -1;
}
osip_message_set_method(regMsgPtr, osip_strdup("OPTIONS"));
osip_uri_init(&(regMsgPtr->req_uri));
if ( ( status = osip_uri_parse(regMsgPtr->req_uri, SIP_PROXY) ) != 0)
{
OSIP_TRACE(osip_trace(__FILE__,__LINE__,OSIP_BUG,NULL,"uri parse failed!\n"));
osip_message_free(regMsgPtr);
return -1;
}
osip_message_set_version(regMsgPtr, osip_strdup("SIP/2.0"));
osip_message_set_status_code(regMsgPtr, 0);
osip_message_set_reason_phrase(regMsgPtr, NULL);
osip_message_set_to(regMsgPtr, SIP_TO);
osip_message_set_from(regMsgPtr, SIP_FROM);
if((status = osip_call_id_init(&callidPtr)) != 0 ){
OSIP_TRACE(osip_trace(__FILE__,__LINE__,OSIP_BUG,NULL,"call id failed!\n"));
osip_message_free(regMsgPtr);
return -1;
}
callidNumberStr = (char *)osip_malloc(MAX_ADDR_STR);
number = osip_build_random_number();
sprintf(callidNumberStr,"%u",number);
osip_call_id_set_number(callidPtr, callidNumberStr);
osip_call_id_set_host(callidPtr, osip_strdup("10.1.1.63"));
regMsgPtr->call_id = callidPtr;
if((status = osip_cseq_init(&cseqPtr)) != 0 ){
OSIP_TRACE(osip_trace(__FILE__,__LINE__,OSIP_BUG,NULL,"seq init failed!\n"));
osip_message_free(regMsgPtr);
return -1;
}
gSeqNum++;
seqNumStr = (char *)osip_malloc(MAX_ADDR_STR);
sprintf(seqNumStr,"%i", gSeqNum);
osip_cseq_set_number(cseqPtr, seqNumStr);
osip_cseq_set_method(cseqPtr, osip_strdup("OPTIONS"));
regMsgPtr->cseq = cseqPtr;
osip_message_set_max_forwards(regMsgPtr, "70");
sprintf(sipPort, "%i", SIP_PORT);
sprintf(temp, "SIP/2.0/%s %s;branch=z9hG4bK%u", "UDP",LOCAL_IP,osip_build_random_number() );
osip_message_set_via(regMsgPtr, temp);
osip_message_set_contact(regMsgPtr, SIP_CONTACT);
sprintf(expires, "%i", EXPIRES_TIME_INSECS);
osip_message_set_expires(regMsgPtr, expires);
osip_message_set_content_length(regMsgPtr, "0");
osip_message_set_user_agent(regMsgPtr, "TotalView 1.0");
AddSupportedMethods(regMsgPtr);
*regMsgPtrPtr = regMsgPtr;
return 0;
}