int
_eXosip_pub_update (struct eXosip_t *excontext, eXosip_pub_t ** pub, osip_transaction_t * tr, osip_message_t * answer)
{
eXosip_pub_t *jpub;
*pub = NULL;
for (jpub = excontext->j_pub; jpub != NULL; jpub = jpub->next) {
if (jpub->p_last_tr == NULL) { /*bug? */
}
else if (tr == jpub->p_last_tr) {
/* update the sip_etag parameter */
if (answer == NULL) { /* bug? */
}
else if (MSG_IS_STATUS_2XX (answer)) {
osip_header_t *sip_etag = NULL;
osip_message_header_get_byname (answer, "SIP-ETag", 0, &sip_etag);
if (sip_etag != NULL && sip_etag->hvalue != NULL)
snprintf (jpub->p_sip_etag, 64, "%s", sip_etag->hvalue);
}
*pub = jpub;
return OSIP_SUCCESS;
}
}
return OSIP_NOTFOUND;
}
/* returns -1 on error. */
int
osip_message_replace_header (osip_message_t * sip, const char *hname,
const char *hvalue)
{
osip_header_t *h, *oldh;
int i, oldpos = -1;
if (sip == NULL || hname == NULL)
return OSIP_BADPARAMETER;
oldpos = osip_message_header_get_byname(sip, hname, 0, &oldh);
i = osip_header_init (&h);
if (i != 0)
return i;
h->hname = (char *) osip_malloc (strlen (hname) + 1);
if (h->hname == NULL)
{
osip_header_free (h);
return OSIP_NOMEM;
}
osip_clrncpy (h->hname, hname, strlen (hname));
if (hvalue != NULL)
{ /* some headers can be null ("subject:") */
h->hvalue = (char *) osip_malloc (strlen (hvalue) + 1);
if (h->hvalue == NULL)
{
osip_header_free (h);
return OSIP_NOMEM;
}
osip_clrncpy (h->hvalue, hvalue, strlen (hvalue));
} else
h->hvalue = NULL;
if (oldpos != -1)
{
osip_list_remove(&sip->headers, oldpos);
osip_header_free(oldh);
}
sip->message_property = 2;
osip_list_add (&sip->headers, h, -1);
return OSIP_SUCCESS; /* ok */
}
void sal_exosip_subscription_recv(Sal *sal, eXosip_event_t *ev){
/*workaround a bug in eXosip: incoming SUBSCRIBES within dialog with expires: 0 are
recognized as new incoming subscribes*/
SalOp *op=sal_find_in_subscribe_by_call_id(sal,ev->request->call_id);
if (op){
osip_header_t *h;
osip_message_header_get_byname(ev->request,"expires",0,&h);
if (h && h->hvalue && atoi(h->hvalue)==0){
ms_warning("This susbscribe is not a new one but terminates an old one.");
ev->did=op->did;
ev->nid=op->nid;
sal_exosip_subscription_closed(sal,ev);
}else {
osip_message_t *msg=NULL;
ms_warning("Probably a refresh subscribe");
eXosip_lock();
eXosip_insubscription_build_answer(ev->tid,202,&msg);
eXosip_insubscription_send_answer(ev->tid,202,msg);
eXosip_unlock();
}
}else _sal_exosip_subscription_recv(sal,ev);
}
int
_eXosip_build_response_default (osip_message_t ** dest,
osip_dialog_t * dialog, int status,
osip_message_t * request)
{
osip_generic_param_t *tag;
osip_message_t *response;
int pos;
int i;
*dest = NULL;
if (request == NULL)
return -1;
i = osip_message_init (&response);
if (i != 0)
return -1;
/* initialise osip_message_t structure */
/* yet done... */
response->sip_version = (char *) osip_malloc (8 * sizeof (char));
sprintf (response->sip_version, "SIP/2.0");
osip_message_set_status_code (response, status);
/* handle some internal reason definitions. */
if (MSG_IS_NOTIFY (request) && status == 481)
{
response->reason_phrase = osip_strdup ("Subcription Does Not Exist");
} else if (MSG_IS_SUBSCRIBE (request) && status == 202)
{
response->reason_phrase = osip_strdup ("Accepted subscription");
} else
{
response->reason_phrase = osip_strdup (osip_message_get_reason (status));
if (response->reason_phrase == NULL)
{
if (response->status_code == 101)
response->reason_phrase = osip_strdup ("Dialog Establishement");
else
response->reason_phrase = osip_strdup ("Unknown code");
}
response->req_uri = NULL;
response->sip_method = NULL;
}
i = osip_to_clone (request->to, &(response->to));
if (i != 0)
goto grd_error_1;
i = osip_to_get_tag (response->to, &tag);
if (i != 0)
{ /* we only add a tag if it does not already contains one! */
if ((dialog != NULL) && (dialog->local_tag != NULL))
/* it should contain the local TAG we created */
{
osip_to_set_tag (response->to, osip_strdup (dialog->local_tag));
} else
{
if (status != 100)
osip_to_set_tag (response->to, osip_to_tag_new_random ());
}
}
i = osip_from_clone (request->from, &(response->from));
if (i != 0)
goto grd_error_1;
pos = 0;
while (!osip_list_eol (request->vias, pos))
{
osip_via_t *via;
osip_via_t *via2;
via = (osip_via_t *) osip_list_get (request->vias, pos);
i = osip_via_clone (via, &via2);
if (i != -0)
goto grd_error_1;
osip_list_add (response->vias, via2, -1);
pos++;
}
i = osip_call_id_clone (request->call_id, &(response->call_id));
if (i != 0)
goto grd_error_1;
i = osip_cseq_clone (request->cseq, &(response->cseq));
if (i != 0)
goto grd_error_1;
if (MSG_IS_SUBSCRIBE (request))
{
osip_header_t *exp;
osip_header_t *evt_hdr;
osip_message_header_get_byname (request, "event", 0, &evt_hdr);
if (evt_hdr != NULL && evt_hdr->hvalue != NULL)
osip_message_set_header (response, "Event", evt_hdr->hvalue);
else
osip_message_set_header (response, "Event", "presence");
i = osip_message_get_expires (request, 0, &exp);
if (exp == NULL)
{
osip_header_t *cp;
i = osip_header_clone (exp, &cp);
if (cp != NULL)
osip_list_add (response->headers, cp, 0);
}
}
osip_message_set_allow (response, "INVITE");
osip_message_set_allow (response, "ACK");
osip_message_set_allow (response, "OPTIONS");
osip_message_set_allow (response, "CANCEL");
osip_message_set_allow (response, "BYE");
osip_message_set_allow (response, "SUBSCRIBE");
osip_message_set_allow (response, "NOTIFY");
osip_message_set_allow (response, "MESSAGE");
osip_message_set_allow (response, "INFO");
osip_message_set_allow (response, "REFER");
osip_message_set_allow (response, "UPDATE");
*dest = response;
return 0;
grd_error_1:
osip_message_free (response);
return -1;
}
int
eXosip_call_build_prack (int tid, osip_message_t ** prack)
{
eXosip_dialog_t *jd = NULL;
eXosip_call_t *jc = NULL;
osip_transaction_t *tr = NULL;
osip_header_t *rseq;
char *transport;
int i;
*prack = NULL;
if (tid < 0)
return OSIP_BADPARAMETER;
if (tid > 0)
{
_eXosip_call_transaction_find (tid, &jc, &jd, &tr);
}
if (jc == NULL || jd == NULL || jd->d_dialog == NULL
|| tr == NULL || tr->orig_request == NULL
|| tr->orig_request->sip_method == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No call here or no transaction for call\n"));
return OSIP_NOTFOUND;
}
if (0 != osip_strcasecmp (tr->orig_request->sip_method, "INVITE"))
return OSIP_BADPARAMETER;
/* PRACK are only send in the PROCEEDING state */
if (tr->state != ICT_PROCEEDING)
return OSIP_WRONG_STATE;
if (tr->orig_request->cseq == NULL
|| tr->orig_request->cseq->number == NULL
|| tr->orig_request->cseq->method == NULL)
return OSIP_SYNTAXERROR;
transport = NULL;
if (tr != NULL && tr->orig_request != NULL)
transport = _eXosip_transport_protocol (tr->orig_request);
if (transport == NULL)
i = _eXosip_build_request_within_dialog (prack, "PRACK", jd->d_dialog, "UDP");
else
i =
_eXosip_build_request_within_dialog (prack, "PRACK", jd->d_dialog,
transport);
if (i != 0)
return i;
osip_message_header_get_byname (tr->last_response, "RSeq", 0, &rseq);
if (rseq != NULL && rseq->hvalue != NULL)
{
char tmp[128];
memset (tmp, '\0', sizeof (tmp));
snprintf (tmp, 127, "%s %s %s", rseq->hvalue,
tr->orig_request->cseq->number, tr->orig_request->cseq->method);
osip_message_set_header (*prack, "RAck", tmp);
}
return OSIP_SUCCESS;
}
static int
_eXosip_register_build_register (eXosip_reg_t * jr, osip_message_t ** _reg)
{
osip_message_t *reg = NULL;
int i;
reg = NULL;
*_reg = NULL;
if (jr->r_last_tr != NULL)
{
if (jr->r_last_tr->state != NICT_TERMINATED
&& jr->r_last_tr->state != NICT_COMPLETED)
return -1;
else
{
osip_message_t *last_response = NULL;
osip_transaction_t *tr;
osip_message_clone (jr->r_last_tr->orig_request, ®);
if (reg == NULL)
return -1;
/* reg = jr->r_last_tr->orig_request; */
if (jr->r_last_tr->last_response != NULL)
{
osip_message_clone (jr->r_last_tr->last_response, &last_response);
if (last_response == NULL)
{
osip_message_free (reg);
return -1;
}
}
__eXosip_delete_jinfo (jr->r_last_tr);
tr = jr->r_last_tr;
jr->r_last_tr = NULL;
osip_list_add (eXosip.j_transactions, tr, 0);
/* modify the REGISTER request */
{
int osip_cseq_num = osip_atoi (reg->cseq->number);
int length = strlen (reg->cseq->number);
osip_list_special_free(®->authorizations, (void *(*)(void *)) &osip_authorization_free);
osip_list_special_free(®->proxy_authorizations, (void *(*)(void *)) &osip_proxy_authorization_free);
if (-1 == eXosip_update_top_via (reg))
{
osip_message_free (reg);
if (last_response != NULL)
osip_message_free (last_response);
return -1;
}
osip_cseq_num++;
osip_free (reg->cseq->number);
reg->cseq->number = (char *) osip_malloc (length + 2); /* +2 like for 9 to 10 */
sprintf (reg->cseq->number, "%i", osip_cseq_num);
{
osip_header_t *exp;
osip_message_header_get_byname (reg, "expires", 0, &exp);
if (exp!=NULL)
{
if (exp->hvalue!=NULL)
osip_free (exp->hvalue);
exp->hvalue = (char *) osip_malloc (10);
snprintf (exp->hvalue, 9, "%i", jr->r_reg_period);
}
}
osip_message_force_update (reg);
}
if (last_response != NULL)
{
if (last_response->status_code==401 || last_response->status_code==407)
{
eXosip_add_authentication_information (reg, last_response);
}
else
eXosip_add_authentication_information (reg, NULL);
osip_message_free (last_response);
}
}
}
if (reg == NULL)
{
i = generating_register (jr, ®, eXosip.transport,
jr->r_aor, jr->r_registrar, jr->r_contact,
jr->r_reg_period);
if (i != 0)
{
return -2;
}
}
*_reg = reg;
return 0;
}
static int
_eXosip_register_build_register(eXosip_reg_t * jr, osip_message_t ** _reg)
{
osip_message_t *reg = NULL;
int i;
*_reg = NULL;
if (jr == NULL)
return OSIP_BADPARAMETER;
if (jr->r_last_tr != NULL) {
if (jr->r_last_tr->state != NICT_TERMINATED
&& jr->r_last_tr->state != NICT_COMPLETED)
return OSIP_WRONG_STATE;
else {
osip_message_t *last_response = NULL;
osip_transaction_t *tr;
i = osip_message_clone(jr->r_last_tr->orig_request, ®);
if (i != 0)
return i;
if (jr->r_last_tr->last_response != NULL) {
i = osip_message_clone(jr->r_last_tr->last_response,
&last_response);
if (i != 0) {
osip_message_free(reg);
return i;
}
}
__eXosip_delete_jinfo(jr->r_last_tr);
tr = jr->r_last_tr;
jr->r_last_tr = NULL;
osip_list_add(&eXosip.j_transactions, tr, 0);
/* modify the REGISTER request */
{
int osip_cseq_num = osip_atoi(reg->cseq->number);
int length = strlen(reg->cseq->number);
osip_list_special_free(®->authorizations, (void (*)(void *))
&osip_authorization_free);
osip_list_special_free(®->proxy_authorizations,
(void (*)(void *))
&osip_proxy_authorization_free);
i = eXosip_update_top_via(reg);
if (i != 0) {
osip_message_free(reg);
if (last_response != NULL)
osip_message_free(last_response);
return i;
}
osip_cseq_num++;
osip_free(reg->cseq->number);
reg->cseq->number = (char *) osip_malloc(length + 2); /* +2 like for 9 to 10 */
if (reg->cseq->number == NULL) {
osip_message_free(reg);
if (last_response != NULL)
osip_message_free(last_response);
return OSIP_NOMEM;
}
snprintf(reg->cseq->number, length + 2, "%i", osip_cseq_num);
if (last_response != NULL && last_response->status_code == 423) {
/* increase expires value to "min-expires" value */
osip_header_t *exp;
osip_header_t *min_exp;
osip_message_header_get_byname(reg, "expires", 0, &exp);
osip_message_header_get_byname(last_response, "min-expires", 0,
&min_exp);
if (exp != NULL && exp->hvalue != NULL && min_exp != NULL
&& min_exp->hvalue != NULL) {
osip_free(exp->hvalue);
exp->hvalue = osip_strdup(min_exp->hvalue);
jr->r_reg_period = atoi(min_exp->hvalue);
} else {
osip_message_free(reg);
if (last_response != NULL)
osip_message_free(last_response);
OSIP_TRACE(osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: missing Min-Expires or Expires in REGISTER\n"));
return OSIP_SYNTAXERROR;
}
} else {
osip_header_t *exp;
osip_message_header_get_byname(reg, "expires", 0, &exp);
if (exp != NULL) {
if (exp->hvalue != NULL)
osip_free(exp->hvalue);
exp->hvalue = (char *) osip_malloc(10);
if (exp->hvalue == NULL) {
osip_message_free(reg);
if (last_response != NULL)
osip_message_free(last_response);
return OSIP_NOMEM;
}
snprintf(exp->hvalue, 9, "%i", jr->r_reg_period);
}
}
osip_message_force_update(reg);
}
if (last_response != NULL) {
if (last_response->status_code == 401
|| last_response->status_code == 407) {
eXosip_add_authentication_information(reg, last_response);
} else
eXosip_add_authentication_information(reg, NULL);
osip_message_free(last_response);
}
}
}
if (reg == NULL) {
i = generating_register(jr, ®, eXosip.transport,
jr->r_aor, jr->r_registrar, jr->r_contact,
jr->r_reg_period);
if (i != 0)
return i;
}
*_reg = reg;
return OSIP_SUCCESS;
}
int
_eXosip_subscribe_send_request_with_credential (struct eXosip_t *excontext, eXosip_subscribe_t * js, eXosip_dialog_t * jd, osip_transaction_t * out_tr)
{
osip_transaction_t *tr = NULL;
osip_message_t *msg = NULL;
osip_event_t *sipevent;
int cseq;
osip_via_t *via;
int i;
if (js == NULL)
return OSIP_BADPARAMETER;
if (jd != NULL) {
if (jd->d_out_trs == NULL)
return OSIP_BADPARAMETER;
}
if (out_tr == NULL) {
out_tr = _eXosip_find_last_out_subscribe (js, jd);
}
if (out_tr == NULL || out_tr->orig_request == NULL || out_tr->last_response == NULL)
return OSIP_NOTFOUND;
i = osip_message_clone (out_tr->orig_request, &msg);
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: could not clone msg for authentication\n"));
return i;
}
{
osip_generic_param_t *tag = NULL;
osip_to_get_tag (msg->to, &tag);
if (NULL == tag && jd != NULL && jd->d_dialog != NULL && jd->d_dialog->remote_tag != NULL) {
osip_to_set_tag (msg->to, osip_strdup (jd->d_dialog->remote_tag));
}
}
via = (osip_via_t *) osip_list_get (&msg->vias, 0);
if (via == NULL || msg->cseq == NULL || msg->cseq->number == NULL) {
osip_message_free (msg);
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: missing via or cseq header\n"));
return OSIP_SYNTAXERROR;
}
/* increment cseq */
cseq = atoi (msg->cseq->number);
osip_free (msg->cseq->number);
msg->cseq->number = _eXosip_strdup_printf ("%i", cseq + 1);
if (msg->cseq->number == NULL) {
osip_message_free (msg);
return OSIP_NOMEM;
}
if (jd != NULL && jd->d_dialog != NULL) {
jd->d_dialog->local_cseq++;
}
i = _eXosip_update_top_via (msg);
if (i != 0) {
osip_message_free (msg);
return i;
}
osip_list_special_free (&msg->authorizations, (void (*)(void *)) &osip_authorization_free);
osip_list_special_free (&msg->proxy_authorizations, (void (*)(void *)) &osip_proxy_authorization_free);
if (out_tr->last_response->status_code == 401 || out_tr->last_response->status_code == 407) {
_eXosip_add_authentication_information (excontext, msg, out_tr->last_response);
}
else
_eXosip_add_authentication_information (excontext, msg, NULL);
if (out_tr != NULL && out_tr->last_response != NULL && out_tr->last_response->status_code == 423) {
/* increase expires value to "min-expires" value */
osip_header_t *exp;
osip_header_t *min_exp;
osip_message_header_get_byname (msg, "expires", 0, &exp);
osip_message_header_get_byname (out_tr->last_response, "min-expires", 0, &min_exp);
if (exp != NULL && exp->hvalue != NULL && min_exp != NULL && min_exp->hvalue != NULL) {
osip_free (exp->hvalue);
exp->hvalue = osip_strdup (min_exp->hvalue);
}
else {
osip_message_free (msg);
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: missing Min-Expires or Expires in PUBLISH\n"));
return OSIP_SYNTAXERROR;
}
}
osip_message_force_update (msg);
i = _eXosip_transaction_init (excontext, &tr, NICT, excontext->j_osip, msg);
if (i != 0) {
osip_message_free (msg);
return i;
}
if (out_tr == js->s_out_tr) {
/* replace with the new tr */
osip_list_add (&excontext->j_transactions, js->s_out_tr, 0);
js->s_out_tr = tr;
}
else {
/* add the new tr for the current dialog */
osip_list_add (jd->d_out_trs, tr, 0);
}
sipevent = osip_new_outgoing_sipmessage (msg);
osip_transaction_set_reserved5 (tr, js);
osip_transaction_set_reserved3 (tr, jd);
osip_transaction_add_event (tr, sipevent);
_eXosip_update (excontext); /* fixed? */
_eXosip_wakeup (excontext);
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
_eXosip_build_response_default (struct eXosip_t *excontext, osip_message_t ** dest, osip_dialog_t * dialog, int status, osip_message_t * request)
{
osip_generic_param_t *tag;
osip_message_t *response;
int i;
*dest = NULL;
if (request == NULL)
return OSIP_BADPARAMETER;
i = osip_message_init (&response);
if (i != 0)
return i;
/* initialise osip_message_t structure */
/* yet done... */
response->sip_version = (char *) osip_malloc (8 * sizeof (char));
if (response->sip_version == NULL) {
osip_message_free (response);
return OSIP_NOMEM;
}
sprintf (response->sip_version, "SIP/2.0");
osip_message_set_status_code (response, status);
#ifndef MINISIZE
/* handle some internal reason definitions. */
if (MSG_IS_NOTIFY (request) && status == 481) {
response->reason_phrase = osip_strdup ("Subscription Does Not Exist");
}
else if (MSG_IS_SUBSCRIBE (request) && status == 202) {
response->reason_phrase = osip_strdup ("Accepted subscription");
}
else {
response->reason_phrase = osip_strdup (osip_message_get_reason (status));
if (response->reason_phrase == NULL) {
if (response->status_code == 101)
response->reason_phrase = osip_strdup ("Dialog Establishement");
else
response->reason_phrase = osip_strdup ("Unknown code");
}
response->req_uri = NULL;
response->sip_method = NULL;
}
#else
response->reason_phrase = osip_strdup (osip_message_get_reason (status));
if (response->reason_phrase == NULL) {
if (response->status_code == 101)
response->reason_phrase = osip_strdup ("Dialog Establishement");
else
response->reason_phrase = osip_strdup ("Unknown code");
}
response->req_uri = NULL;
response->sip_method = NULL;
#endif
if (response->reason_phrase == NULL) {
osip_message_free (response);
return OSIP_NOMEM;
}
i = osip_to_clone (request->to, &(response->to));
if (i != 0) {
osip_message_free (response);
return i;
}
i = osip_to_get_tag (response->to, &tag);
if (i != 0) { /* we only add a tag if it does not already contains one! */
if ((dialog != NULL) && (dialog->local_tag != NULL))
/* it should contain the local TAG we created */
{
osip_to_set_tag (response->to, osip_strdup (dialog->local_tag));
}
else {
if (status != 100)
osip_to_set_tag (response->to, _eXosip_malloc_new_random ());
}
}
i = osip_from_clone (request->from, &(response->from));
if (i != 0) {
osip_message_free (response);
return i;
}
{
osip_list_iterator_t it;
osip_via_t *via = (osip_via_t*)osip_list_get_first(&request->vias, &it);
while (via != NULL) {
osip_via_t *via2;
i = osip_via_clone (via, &via2);
if (i != 0) {
osip_message_free (response);
return i;
}
osip_list_add (&response->vias, via2, -1);
via = (osip_via_t *)osip_list_get_next(&it);
}
}
i = osip_call_id_clone (request->call_id, &(response->call_id));
if (i != 0) {
osip_message_free (response);
return i;
}
i = osip_cseq_clone (request->cseq, &(response->cseq));
if (i != 0) {
osip_message_free (response);
return i;
}
#ifndef MINISIZE
if (MSG_IS_SUBSCRIBE (request)) {
osip_header_t *exp;
osip_header_t *evt_hdr;
osip_message_header_get_byname (request, "event", 0, &evt_hdr);
if (evt_hdr != NULL && evt_hdr->hvalue != NULL)
osip_message_set_header (response, "Event", evt_hdr->hvalue);
else
osip_message_set_header (response, "Event", "presence");
i = osip_message_get_expires (request, 0, &exp);
if (exp == NULL) {
osip_header_t *cp;
i = osip_header_clone (exp, &cp);
if (cp != NULL)
osip_list_add (&response->headers, cp, 0);
}
}
#endif
osip_message_set_user_agent (response, excontext->user_agent);
*dest = response;
return OSIP_SUCCESS;
}
int
eXosip_insubscription_automatic (eXosip_event_t * evt)
{
eXosip_dialog_t *jd = NULL;
eXosip_notify_t *jn = NULL;
osip_header_t *event_header;
if (evt->did <= 0 || evt->nid <= 0)
return OSIP_BADPARAMETER;
if (evt->request == NULL)
return OSIP_BADPARAMETER;
eXosip_notify_dialog_find (evt->did, &jn, &jd);
if (jd == NULL || jn == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No incoming subscription here?\n"));
return OSIP_NOTFOUND;
}
osip_message_header_get_byname (evt->request, "event", 0, &event_header);
if (event_header == NULL || event_header->hvalue == NULL)
{
eXosip_insubscription_send_answer (evt->tid, 400, NULL);
return OSIP_SUCCESS;
}
/* this event should be handled internally */
if (osip_strcasecmp (event_header->hvalue, "dialog") == 0)
{
/* send 200 ok to SUBSCRIBEs */
if (evt->type == EXOSIP_IN_SUBSCRIPTION_NEW)
{
osip_message_t *answer;
int i;
i = eXosip_insubscription_build_answer (evt->tid, 202, &answer);
if (i == 0)
{
i = eXosip_insubscription_send_answer (evt->tid, 202, answer);
}
if (i != 0)
{
i = eXosip_insubscription_send_answer (evt->tid, 400, NULL);
return OSIP_SUCCESS;
}
/* send initial notify */
i =
_eXosip_insubscription_auto_send_notify (evt->did,
EXOSIP_SUBCRSTATE_ACTIVE,
PROBATION);
if (i != 0)
{
/* delete subscription... */
return OSIP_SUCCESS;
}
}
} else
{
if (evt->type == EXOSIP_IN_SUBSCRIPTION_NEW)
{
eXosip_insubscription_send_answer (evt->tid, 489, NULL);
}
}
return OSIP_SUCCESS;
}
