int
eXosip_options_build_request (osip_message_t ** options, const char *to,
const char *from, const char *route)
{
int i;
*options = NULL;
if (to != NULL && *to == '\0')
return -1;
if (from != NULL && *from == '\0')
return -1;
if (route != NULL && *route == '\0')
route = NULL;
i = generating_request_out_of_dialog (options, "OPTIONS", to, "UDP", from,
route);
if (i != 0)
return -1;
/* after this delay, we should send a CANCEL */
osip_message_set_expires (*options, "120");
/* osip_message_set_organization(*invite, "Jack's Org"); */
return 0;
}
int
eXosip_build_publish (struct eXosip_t *excontext, osip_message_t ** message, const char *to, const char *from, const char *route, const char *event, const char *expires, const char *ctype, const char *body)
{
int i;
*message = NULL;
if (to == NULL || to[0] == '\0')
return OSIP_BADPARAMETER;
if (from == NULL || from[0] == '\0')
return OSIP_BADPARAMETER;
if (event == NULL || event[0] == '\0')
return OSIP_BADPARAMETER;
if (ctype == NULL || ctype[0] == '\0') {
if (body != NULL && body[0] != '\0')
return OSIP_BADPARAMETER;
}
else {
if (body == NULL || body[0] == '\0')
return OSIP_BADPARAMETER;
}
i = _eXosip_generating_publish (excontext, message, to, from, route);
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: cannot send message (cannot build PUBLISH)! "));
return i;
}
if (body != NULL && body[0] != '\0' && ctype != NULL && ctype[0] != '\0') {
osip_message_set_content_type (*message, ctype);
osip_message_set_body (*message, body, strlen (body));
/*
osip_message_set_header (*message, "Content-Disposition",
"render;handling=required");
*/
}
if (expires != NULL && expires[0] != '\0')
osip_message_set_expires (*message, expires);
else
osip_message_set_expires (*message, "3600");
osip_message_set_header (*message, "Event", event);
return OSIP_SUCCESS;
}
int sal_unsubscribe(SalOp *op){
osip_message_t *msg=NULL;
if (op->did==-1){
ms_error("cannot unsubscribe, no dialog !");
return -1;
}
eXosip_lock();
eXosip_subscribe_build_refresh_request(op->did,&msg);
if (msg){
osip_message_set_expires(msg,"0");
eXosip_subscribe_send_refresh_request(op->did,msg);
}else ms_error("Could not build subscribe refresh request ! op->sid=%i, op->did=%i",
op->sid,op->did);
eXosip_unlock();
return 0;
}
void
_eXosip_notify_add_expires_in_2XX_for_subscribe(eXosip_notify_t * jn,
osip_message_t * answer)
{
char tmp[20];
time_t now;
now = osip_getsystemtime(NULL);
if (jn->n_ss_expires - now < 0) {
tmp[0] = '0';
tmp[1] = '\0';
} else {
snprintf(tmp, 20, "%li", jn->n_ss_expires - now);
}
osip_message_set_expires(answer, tmp);
}
int eXosip_subscribe_send_subscribe(eXosip_subscribe_t *js,
eXosip_dialog_t *jd, const char *expires)
{
osip_transaction_t *transaction;
osip_message_t *subscribe;
osip_event_t *sipevent;
int i;
transaction = eXosip_find_last_out_subscribe(js, jd);
if (transaction!=NULL)
{
if (transaction->state!=NICT_TERMINATED &&
transaction->state!=NIST_TERMINATED)
return -1;
}
i = _eXosip_build_request_within_dialog(&subscribe, "SUBSCRIBE",
jd->d_dialog, "UDP");
if (i!=0)
return -2;
osip_message_set_expires(subscribe, expires);
i = osip_transaction_init(&transaction,
NICT,
eXosip.j_osip,
subscribe);
if (i!=0)
{
/* TODO: release the j_call.. */
osip_message_free(subscribe);
return -1;
}
_eXosip_subscribe_set_refresh_interval(js, subscribe);
osip_list_add(jd->d_out_trs, transaction, 0);
sipevent = osip_new_outgoing_sipmessage(subscribe);
sipevent->transactionid = transaction->transactionid;
osip_transaction_add_event(transaction, sipevent);
osip_transaction_set_your_instance(transaction, __eXosip_new_jinfo(NULL, jd, js, NULL));
__eXosip_wakeup();
return 0;
}
/* this method can't be called unless the previous
INVITE transaction is over. */
int
eXosip_call_build_initial_invite (osip_message_t ** invite,
const char *to,
const char *from,
const char *route, const char *subject)
{
int i;
osip_to_t *_to = NULL;
*invite = NULL;
if (to != NULL && *to == '\0')
return OSIP_BADPARAMETER;
if (route != NULL && *route == '\0')
route = NULL;
if (subject != NULL && *subject == '\0')
subject = NULL;
i = osip_to_init (&_to);
if (i != 0)
return i;
i = osip_to_parse (_to, to);
if (i != 0)
{
osip_to_free (_to);
return i;
}
i = generating_request_out_of_dialog (invite, "INVITE", to,
eXosip.transport, from, route);
osip_to_free (_to);
if (i != 0)
return i;
_eXosip_dialog_add_contact (*invite, NULL);
if (subject != NULL)
osip_message_set_subject (*invite, subject);
/* after this delay, we should send a CANCEL */
osip_message_set_expires (*invite, "120");
return OSIP_SUCCESS;
}
int
eXosip_subscribe_build_initial_request (struct eXosip_t *excontext, osip_message_t ** sub, const char *to, const char *from, const char *route, const char *event, int expires)
{
char tmp[10];
int i;
osip_to_t *_to = NULL;
*sub = NULL;
if (to == NULL || *to == '\0')
return OSIP_BADPARAMETER;
if (from == NULL || *from == '\0')
return OSIP_BADPARAMETER;
if (event == NULL || *event == '\0')
return OSIP_BADPARAMETER;
if (route == NULL || *route == '\0')
route = NULL;
i = osip_to_init (&_to);
if (i != 0)
return i;
i = osip_to_parse (_to, to);
if (i != 0) {
osip_to_free (_to);
return i;
}
i = _eXosip_generating_request_out_of_dialog (excontext, sub, "SUBSCRIBE", to, excontext->transport, from, route);
osip_to_free (_to);
if (i != 0)
return i;
_eXosip_dialog_add_contact (excontext, *sub, NULL);
snprintf (tmp, 10, "%i", expires);
osip_message_set_expires (*sub, tmp);
osip_message_set_header (*sub, "Event", event);
return OSIP_SUCCESS;
}
/*
* send answer to a registration request.
* flag = STS_SUCCESS -> positive answer (200)
* flag = STS_FAILURE -> negative answer (503)
* flag = STS_NEED_AUTH -> proxy authentication needed (407)
*
* RETURNS
* STS_SUCCESS on success
* STS_FAILURE on error
*/
int register_response(sip_ticket_t *ticket, int flag) {
osip_message_t *response;
int code;
int sts;
osip_via_t *via;
int port;
char *buffer;
size_t buflen;
struct in_addr addr;
osip_header_t *expires_hdr;
/* ok -> 200, fail -> 503 */
switch (flag) {
case STS_SUCCESS:
code = 200; /* OK */
break;
case STS_FAILURE:
code = 503; /* failed */
break;
case STS_NEED_AUTH:
code = 407; /* proxy authentication needed */
break;
default:
code = 503; /* failed */
break;
}
/* create the response template */
if ((response=msg_make_template_reply(ticket, code))==NULL) {
ERROR("register_response: error in msg_make_template_reply");
return STS_FAILURE;
}
/* insert the expiration header */
osip_message_get_expires(ticket->sipmsg, 0, &expires_hdr);
if (expires_hdr) {
osip_message_set_expires(response, expires_hdr->hvalue);
}
/* if we send back an proxy authentication needed,
include the Proxy-Authenticate field */
if (code == 407) {
auth_include_authrq(response);
}
/* get the IP address from existing VIA header */
osip_message_get_via (response, 0, &via);
if (via == NULL) {
ERROR("register_response: Cannot send response - no via field");
return STS_FAILURE;
}
/* name resolution needed? */
if (utils_inet_aton(via->host,&addr) == 0) {
/* yes, get IP address */
sts = get_ip_by_host(via->host, &addr);
if (sts == STS_FAILURE) {
DEBUGC(DBCLASS_REG, "register_response: cannot resolve VIA [%s]",
via->host);
return STS_FAILURE;
}
}
sts = sip_message_to_str(response, &buffer, &buflen);
if (sts != 0) {
ERROR("register_response: msg_2char failed");
return STS_FAILURE;
}
/* send answer back */
if (via->port) {
port=atoi(via->port);
if ((port<=0) || (port>65535)) port=SIP_PORT;
} else {
port=configuration.sip_listen_port;
}
sipsock_send(addr, port, ticket->protocol, buffer, buflen);
/* free the resources */
osip_message_free(response);
free(buffer);
return STS_SUCCESS;
}
/*
* handles register requests and updates the URL mapping table
*
* RETURNS:
* STS_SUCCESS : successfully registered
* STS_FAILURE : registration failed
* STS_NEED_AUTH : authentication needed
*/
int register_client(sip_ticket_t *ticket, int force_lcl_masq) {
int i, j, n, sts;
int expires;
time_t time_now;
osip_contact_t *contact;
osip_uri_t *url1_to, *url1_contact=NULL;
osip_uri_t *url2_to;
osip_header_t *expires_hdr;
osip_uri_param_t *expires_param=NULL;
/*
* Authorization - do only if I'm not just acting as outbound proxy
* but am ment to be the registrar
*/
if (force_lcl_masq == 0) {
/*
* RFC 3261, Section 16.3 step 6
* Proxy Behavior - Request Validation - Proxy-Authorization
*/
sts = authenticate_proxy(ticket->sipmsg);
if (sts == STS_FAILURE) {
/* failed */
WARN("proxy authentication failed for %s@%s",
(ticket->sipmsg->to->url->username)?
ticket->sipmsg->to->url->username : "******",
ticket->sipmsg->to->url->host);
return STS_FAILURE;
} else if (sts == STS_NEED_AUTH) {
/* needed */
DEBUGC(DBCLASS_REG,"proxy authentication needed for %s@%s",
ticket->sipmsg->to->url->username,
ticket->sipmsg->to->url->host);
return STS_NEED_AUTH;
}
}
/*
fetch 1st Via entry and remember this address. Incoming requests
for the registered address have to be passed on to that host.
To: -> address to be registered
Contact: -> host is reachable there
Note: in case of un-REGISTER, the contact header may
contain '*' only - which means "all registrations
made by this UA"
=> Mapping is
To: <1--n> Contact
*/
time(&time_now);
DEBUGC(DBCLASS_BABBLE,"sip_register:");
/*
* First make sure, we have a proper Contact header:
* - url
* - url -> hostname
*
* Libosip parses an:
* "Contact: *"
* the following way (Note: Display name!! and URL is NULL)
* (gdb) p *((osip_contact_t*)(sip->contacts.node->element))
* $5 = {displayname = 0x8af8848 "*", url = 0x0, gen_params = 0x8af8838}
*/
osip_message_get_contact(ticket->sipmsg, 0, &contact);
if ((contact == NULL) ||
(contact->url == NULL) ||
(contact->url->host == NULL)) {
/* Don't have required Contact fields.
This may be a Registration query or unregistering all registered
records for this UA. We should simply forward this request to its
destination. However, if this is an unregistration from a client
that is not registered (Grandstream "unregister at startup" option)
-> How do I handle this one?
Right now we do a direction lookup and if this fails we generate
an OK message by ourself (fake) */
DEBUGC(DBCLASS_REG, "empty Contact header - "
"seems to be a registration query");
sts = sip_find_direction(ticket, NULL);
if (sts != STS_SUCCESS) {
/* answer the request myself. Most likely this is an UNREGISTER
* request when the client just booted */
sts = register_response(ticket, STS_SUCCESS);
return STS_SIP_SENT;
}
return STS_SUCCESS;
}
url1_contact=contact->url;
/* evaluate Expires Header field */
osip_message_get_expires(ticket->sipmsg, 0, &expires_hdr);
/*
* look for an Contact expires parameter - in case of REGISTER
* these two are equal. The Contact expires has higher priority!
*/
if (ticket->sipmsg->contacts.node &&
ticket->sipmsg->contacts.node->element) {
osip_contact_param_get_byname(
(osip_contact_t*) ticket->sipmsg->contacts.node->element,
EXPIRES, &expires_param);
}
if (expires_param && expires_param->gvalue) {
/* get expires from contact Header */
expires=atoi(expires_param->gvalue);
if ((expires < 0) || (expires >= UINT_MAX ))
expires=configuration.default_expires;
} else if (expires_hdr && expires_hdr->hvalue) {
/* get expires from expires Header */
expires=atoi(expires_hdr->hvalue);
if ((expires < 0) || (expires >= UINT_MAX ))
expires=configuration.default_expires;
} else {
char tmp[16];
/* it seems, the expires field is not present everywhere... */
DEBUGC(DBCLASS_REG,"no 'expires' header found - set time to %i sec",
configuration.default_expires);
expires=configuration.default_expires;
sprintf(tmp,"%i",expires);
osip_message_set_expires(ticket->sipmsg, tmp);
}
url1_to=ticket->sipmsg->to->url;
/*
* REGISTER
*/
if (expires > 0) {
DEBUGC(DBCLASS_REG,"register: %s@%s expires=%i seconds",
(url1_contact->username) ? url1_contact->username : "******",
(url1_contact->host) ? url1_contact->host : "*NULL*",
expires);
/*
* Update registration. There are two possibilities:
* - already registered, then update the existing record
* - not registered, then create a new record
*/
j=-1;
for (i=0; i<URLMAP_SIZE; i++) {
if (urlmap[i].active == 0) {
if (j < 0) j=i; /* remember first hole */
continue;
}
url2_to=urlmap[i].reg_url;
/* check address-of-record ("public address" of user) */
if (compare_url(url1_to, url2_to)==STS_SUCCESS) {
DEBUGC(DBCLASS_REG, "found entry for %s@%s <-> %s@%s at "
"slot=%i, exp=%li",
(url1_contact->username) ? url1_contact->username : "******",
(url1_contact->host) ? url1_contact->host : "*NULL*",
(url2_to->username) ? url2_to->username : "******",
(url2_to->host) ? url2_to->host : "*NULL*",
i, (long)urlmap[i].expires-time_now);
break;
}
}
if ( (j < 0) && (i >= URLMAP_SIZE) ) {
/* oops, no free entries left... */
ERROR("URLMAP is full - registration failed");
return STS_FAILURE;
}
if (i >= URLMAP_SIZE) {
/* entry not existing, create new one */
i=j;
/* write entry */
urlmap[i].active=1;
/* Contact: field */
osip_uri_clone( ((osip_contact_t*)
(ticket->sipmsg->contacts.node->element))->url,
&urlmap[i].true_url);
/* To: field */
osip_uri_clone( ticket->sipmsg->to->url,
&urlmap[i].reg_url);
DEBUGC(DBCLASS_REG,"create new entry for %s@%s <-> %s@%s at slot=%i",
(url1_contact->username) ? url1_contact->username : "******",
(url1_contact->host) ? url1_contact->host : "*NULL*",
(urlmap[i].reg_url->username) ? urlmap[i].reg_url->username : "******",
(urlmap[i].reg_url->host) ? urlmap[i].reg_url->host : "*NULL*",
i);
/*
* try to figure out if we ought to do some masquerading
*/
osip_uri_clone( ticket->sipmsg->to->url,
&urlmap[i].masq_url);
n=configuration.mask_host.used;
if (n != configuration.masked_host.used) {
ERROR("# of mask_host is not equal to # of masked_host in config!");
n=0;
}
DEBUG("%i entries in MASK config table", n);
for (j=0; j<n; j++) {
DEBUG("compare [%s] <-> [%s]",configuration.mask_host.string[j],
ticket->sipmsg->to->url->host);
if (strcmp(configuration.mask_host.string[j],
ticket->sipmsg->to->url->host)==0)
break;
}
if (j<n) {
/* we are masquerading this UA, replace the host part of the url */
DEBUGC(DBCLASS_REG,"masquerading UA %s@%s as %s@%s",
(url1_contact->username) ? url1_contact->username : "******",
(url1_contact->host) ? url1_contact->host : "*NULL*",
(url1_contact->username) ? url1_contact->username : "******",
configuration.masked_host.string[j]);
urlmap[i].masq_url->host=realloc(urlmap[i].masq_url->host,
strlen(configuration.masked_host.string[j])+1);
strcpy(urlmap[i].masq_url->host, configuration.masked_host.string[j]);
}
} else { /* if new entry */
/* This is an existing entry */
/*
* Some phones (like BudgeTones *may* dynamically grab a SIP port
* so we might want to update the true_url and reg_url each time
* we get an REGISTER
*/
/* Contact: field (true_url) */
osip_uri_free(urlmap[i].true_url);
osip_uri_clone( ((osip_contact_t*)
(ticket->sipmsg->contacts.node->element))->url,
&urlmap[i].true_url);
/* To: field (reg_url) */
osip_uri_free(urlmap[i].reg_url);
osip_uri_clone( ticket->sipmsg->to->url,
&urlmap[i].reg_url);
}
/*
* for proxying: force device to be masqueraded
* as with the outbound IP (masq_url)
*/
if (force_lcl_masq) {
struct in_addr addr;
char *addrstr;
if (get_interface_ip(IF_OUTBOUND, &addr) != STS_SUCCESS) {
return STS_FAILURE;
}
/* host part */
addrstr = utils_inet_ntoa(addr);
DEBUGC(DBCLASS_REG,"masquerading UA %s@%s local %s@%s",
(url1_contact->username) ? url1_contact->username : "******",
(url1_contact->host) ? url1_contact->host : "*NULL*",
(url1_contact->username) ? url1_contact->username : "******",
addrstr);
urlmap[i].masq_url->host=realloc(urlmap[i].masq_url->host,
strlen(addrstr)+1);
strcpy(urlmap[i].masq_url->host, addrstr);
/* port number if required */
if (configuration.sip_listen_port != SIP_PORT) {
urlmap[i].masq_url->port=realloc(urlmap[i].masq_url->port, 16);
sprintf(urlmap[i].masq_url->port, "%i",
configuration.sip_listen_port);
}
}
/* give some safety margin for the next update */
if (expires > 0) expires+=30;
/* update registration timeout */
urlmap[i].expires=time_now+expires;
/*
* un-REGISTER
*/
} else { /* expires > 0 */
/*
* Remove registration
* Siproxd will ALWAYS remove ALL bindings for a given
* address-of-record
*/
for (i=0; i<URLMAP_SIZE; i++) {
if (urlmap[i].active == 0) continue;
url2_to=urlmap[i].reg_url;
if (compare_url(url1_to, url2_to)==STS_SUCCESS) {
DEBUGC(DBCLASS_REG, "removing registration for %s@%s at slot=%i",
(url2_to->username) ? url2_to->username : "******",
(url2_to->host) ? url2_to->host : "*NULL*", i);
urlmap[i].expires=0;
break;
}
}
}
return STS_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
generating_register (eXosip_reg_t * jreg, osip_message_t ** reg, char *transport,
char *from, char *proxy, char *contact, int expires)
{
int i;
char locip[65];
char firewall_ip[65];
char firewall_port[10];
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 =
generating_request_out_of_dialog (reg, "REGISTER", NULL, transport, from,
proxy);
if (i != 0)
return i;
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 (*reg);
*reg = NULL;
return OSIP_NO_NETWORK;
}
if (contact == NULL)
{
osip_contact_t *new_contact = NULL;
osip_uri_t *new_contact_url = NULL;
i = osip_contact_init (&new_contact);
if (i == 0)
i = osip_uri_init (&new_contact_url);
new_contact->url = new_contact_url;
if (i == 0 && (*reg)->from != NULL
&& (*reg)->from->url != NULL && (*reg)->from->url->username != NULL)
{
new_contact_url->username = osip_strdup ((*reg)->from->url->username);
}
if (i == 0 && (*reg)->from != NULL && (*reg)->from->url != NULL)
{
/* serach for correct ip */
if (firewall_ip[0] != '\0')
{
char *c_address = (*reg)->req_uri->host;
struct addrinfo *addrinfo;
struct __eXosip_sockaddr addr;
i =
eXosip_get_addrinfo (&addrinfo, (*reg)->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))
{
new_contact_url->host = osip_strdup (firewall_ip);
new_contact_url->port = osip_strdup (firewall_port);
} else
{
new_contact_url->host = osip_strdup (locip);
new_contact_url->port = osip_strdup (firewall_port);
}
} else
{
new_contact_url->host = osip_strdup (locip);
new_contact_url->port = osip_strdup (firewall_port);
}
if (transport != NULL && osip_strcasecmp (transport, "UDP") != 0)
{
osip_uri_uparam_add (new_contact_url, osip_strdup ("transport"),
osip_strdup (transport));
}
if (jreg->r_line[0] != '\0')
{
osip_uri_uparam_add (new_contact_url, osip_strdup ("line"),
osip_strdup (jreg->r_line));
}
osip_list_add (&(*reg)->contacts, new_contact, -1);
}
} else
{
osip_message_set_contact (*reg, contact);
}
{
char exp[10]; /* MUST never be ouside 1 and 3600 */
snprintf (exp, 9, "%i", expires);
osip_message_set_expires (*reg, exp);
}
osip_message_set_content_length (*reg, "0");
return OSIP_SUCCESS;
}
int
_eXosip_subscribe_automatic_refresh (struct eXosip_t *excontext, eXosip_subscribe_t * js, eXosip_dialog_t * jd, osip_transaction_t * out_tr)
{
osip_message_t *sub = NULL;
osip_header_t *expires;
int i;
if (js == NULL || jd == NULL || out_tr == NULL || out_tr->orig_request == NULL)
return OSIP_BADPARAMETER;
i = eXosip_subscribe_build_refresh_request (excontext, jd->d_id, &sub);
if (i != 0)
return i;
i = osip_message_get_expires (out_tr->orig_request, 0, &expires);
if (expires != NULL && expires->hvalue != NULL) {
osip_message_set_expires (sub, expires->hvalue);
}
{
int pos = 0;
osip_accept_t *_accept = NULL;
i = osip_message_get_accept (out_tr->orig_request, pos, &_accept);
while (i >= 0 && _accept != NULL) {
osip_accept_t *_accept2;
i = osip_accept_clone (_accept, &_accept2);
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "Error in Accept header\n"));
break;
}
osip_list_add (&sub->accepts, _accept2, -1);
_accept = NULL;
pos++;
i = osip_message_get_accept (out_tr->orig_request, pos, &_accept);
}
}
{
int pos = 0;
osip_header_t *_event = NULL;
pos = osip_message_header_get_byname (out_tr->orig_request, "Event", 0, &_event);
while (pos >= 0 && _event != NULL) {
osip_header_t *_event2;
i = osip_header_clone (_event, &_event2);
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "Error in Event header\n"));
break;
}
osip_list_add (&sub->headers, _event2, -1);
_event = NULL;
pos++;
pos = osip_message_header_get_byname (out_tr->orig_request, "Event", pos, &_event);
}
}
i = eXosip_subscribe_send_refresh_request (excontext, jd->d_id, sub);
return i;
}
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;
}
int eXosip_subscribe_send_subscribe(eXosip_subscribe_t *js,
eXosip_dialog_t *jd, const char *expires)
{
osip_transaction_t *transaction;
osip_message_t *subscribe;
osip_event_t *sipevent;
int i;
assert(jd && jd->d_dialog);
transaction = eXosip_find_last_out_subscribe(js, jd);
if (transaction!=NULL)
{
if (transaction->state!=NICT_TERMINATED && transaction->state!=NIST_TERMINATED)
return -1;
//<MINHPQ>
// Remove the transaction from dialog structure
if (jd)
osip_list_remove_element (jd->d_out_trs, transaction); // Remove the transaction from jd->d_out_trs list
if (js && (js->s_out_tr == transaction))
{
js->s_out_tr = NULL; // Remove the transaction from js->s_out_tr
}
eXosip_transaction_free(transaction);
transaction = NULL;
//</MINHPQ>
}
i = _eXosip_build_request_within_dialog(&subscribe, "SUBSCRIBE",
jd->d_dialog, "UDP");
if (i!=0)
return -2;
//<MINHPQ>
if (js->winfo)
{
osip_message_set_header(subscribe, "Event", "presence.winfo");
osip_message_set_header(subscribe, "Accept", "application/watcherinfo+xml");
}
//</MINHPQ>
osip_message_set_expires(subscribe, expires);
i = osip_transaction_init(&transaction,
NICT,
eXosip.j_osip,
subscribe);
if (i!=0)
{
/* TODO: release the j_call.. */
osip_message_free(subscribe);
return -1;
}
_eXosip_subscribe_set_refresh_interval(js, subscribe);
osip_list_add(jd->d_out_trs, transaction, 0);
sipevent = osip_new_outgoing_sipmessage(subscribe);
sipevent->transactionid = transaction->transactionid;
osip_transaction_add_event(transaction, sipevent);
osip_transaction_set_your_instance(transaction, __eXosip_new_jinfo(NULL, jd, js, NULL));
__eXosip_wakeup();
return 0;
}