int
_eXosip_insubscription_answer_3456xx (struct eXosip_t *excontext, eXosip_notify_t * jn, eXosip_dialog_t * jd, int code)
{
osip_event_t *evt_answer;
osip_message_t *response;
int i;
osip_transaction_t *tr;
tr = _eXosip_find_last_inc_subscribe (jn, jd);
if (tr == NULL) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: cannot find transaction to answer"));
return OSIP_NOTFOUND;
}
if (jd == NULL)
i = _eXosip_build_response_default (excontext, &response, NULL, code, tr->orig_request);
else
i = _eXosip_build_response_default (excontext, &response, jd->d_dialog, code, tr->orig_request);
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_INFO1, NULL, "ERROR: Could not create response for subscribe\n"));
return i;
}
if ((300 <= code) && (code <= 399)) {
/* Should add contact fields */
/* ... */
}
evt_answer = osip_new_outgoing_sipmessage (response);
evt_answer->transactionid = tr->transactionid;
osip_transaction_add_event (tr, evt_answer);
_eXosip_wakeup (excontext);
return OSIP_SUCCESS;
}
int
eXosip_subscribe_send_refresh_request (struct eXosip_t *excontext, int did, osip_message_t * sub)
{
eXosip_dialog_t *jd = NULL;
eXosip_subscribe_t *js = NULL;
osip_transaction_t *transaction;
osip_event_t *sipevent;
int i;
if (did <= 0)
return OSIP_BADPARAMETER;
if (did > 0) {
_eXosip_subscribe_dialog_find (excontext, did, &js, &jd);
}
if (jd == NULL) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: No subscribe here?\n"));
osip_message_free (sub);
return OSIP_NOTFOUND;
}
transaction = NULL;
transaction = _eXosip_find_last_out_subscribe (js, jd);
if (transaction != NULL) {
if (transaction->state != NICT_TERMINATED && transaction->state != NIST_TERMINATED && transaction->state != NICT_COMPLETED && transaction->state != NIST_COMPLETED) {
osip_message_free (sub);
return OSIP_WRONG_STATE;
}
transaction = NULL;
}
transaction = NULL;
i = _eXosip_transaction_init (excontext, &transaction, NICT, excontext->j_osip, sub);
if (i != 0) {
osip_message_free (sub);
return i;
}
js->s_reg_period = 3600;
_eXosip_subscribe_set_refresh_interval (js, sub);
osip_list_add (jd->d_out_trs, transaction, 0);
sipevent = osip_new_outgoing_sipmessage (sub);
sipevent->transactionid = transaction->transactionid;
osip_transaction_set_reserved5 (transaction, js);
osip_transaction_set_reserved3 (transaction, jd);
osip_transaction_add_event (transaction, sipevent);
_eXosip_wakeup (excontext);
return OSIP_SUCCESS;
}
int eXosip_options_send_answer(struct eXosip_t *excontext, int tid, int status, osip_message_t * answer)
{
osip_transaction_t *tr = NULL;
osip_event_t *evt_answer;
int i = -1;
if (tid <= 0)
return OSIP_BADPARAMETER;
if (status <= 100 || status > 699)
return OSIP_BADPARAMETER;
if (answer == NULL && status > 100 && status < 200)
return OSIP_BADPARAMETER;
if (tid > 0) {
_eXosip_transaction_find(excontext, tid, &tr);
}
if (tr == NULL) {
OSIP_TRACE(osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No OPTIONS transaction found\n"));
osip_message_free(answer);
return OSIP_NOTFOUND;
}
/* is the transaction already answered? */
if (tr->state == NIST_COMPLETED || tr->state == NIST_TERMINATED) {
OSIP_TRACE(osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: transaction already answered\n"));
osip_message_free(answer);
return OSIP_WRONG_STATE;
}
if (answer == NULL) {
i = -1;
if (status > 199 && status < 300)
i = _eXosip_build_response_default(excontext, &answer, NULL, status,
tr->orig_request);
else if (status > 300 && status <= 699)
i = _eXosip_build_response_default(excontext, &answer, NULL, status,
tr->orig_request);
if (i != 0)
return i;
}
evt_answer = osip_new_outgoing_sipmessage(answer);
evt_answer->transactionid = tr->transactionid;
osip_transaction_add_event(tr, evt_answer);
_eXosip_wakeup(excontext);
return OSIP_SUCCESS;
}
int
_eXosip_insubscription_answer_1xx (struct eXosip_t *excontext, eXosip_notify_t * jn, eXosip_dialog_t * jd, int code)
{
osip_event_t *evt_answer;
osip_message_t *response;
int i;
osip_transaction_t *tr;
tr = _eXosip_find_last_inc_subscribe (jn, jd);
if (tr == NULL) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: cannot find transaction to answer"));
return OSIP_NOTFOUND;
}
if (jd == NULL)
i = _eXosip_build_response_default (excontext, &response, NULL, code, tr->orig_request);
else
i = _eXosip_build_response_default (excontext, &response, jd->d_dialog, code, tr->orig_request);
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "ERROR: Could not create response for subscribe\n"));
return i;
}
if (code > 100) {
/* request that estabish a dialog: */
/* 12.1.1 UAS Behavior */
i = _eXosip_complete_answer_that_establish_a_dialog (excontext, response, tr->orig_request);
if (i != 0) {
}
if (jd == NULL) {
i = _eXosip_dialog_init_as_uas (&jd, tr->orig_request, response);
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: cannot create dialog!\n"));
}
else
ADD_ELEMENT (jn->n_dialogs, jd);
}
}
evt_answer = osip_new_outgoing_sipmessage (response);
evt_answer->transactionid = tr->transactionid;
osip_transaction_add_event (tr, evt_answer);
_eXosip_wakeup (excontext);
return i;
}
int eXosip_options_send_request(struct eXosip_t *excontext, osip_message_t * options)
{
osip_transaction_t *transaction;
osip_event_t *sipevent;
int i;
i = _eXosip_transaction_init(excontext, &transaction, NICT, excontext->j_osip, options);
if (i != 0) {
osip_message_free(options);
return i;
}
osip_list_add(&excontext->j_transactions, transaction, 0);
sipevent = osip_new_outgoing_sipmessage(options);
sipevent->transactionid = transaction->transactionid;
osip_transaction_add_event(transaction, sipevent);
_eXosip_wakeup(excontext);
return OSIP_SUCCESS;
}
int
eXosip_subscribe_send_initial_request (struct eXosip_t *excontext, osip_message_t * subscribe)
{
eXosip_subscribe_t *js = NULL;
osip_transaction_t *transaction;
osip_event_t *sipevent;
int i;
i = _eXosip_subscribe_init (&js);
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: cannot subscribe."));
osip_message_free (subscribe);
return i;
}
i = _eXosip_transaction_init (excontext, &transaction, NICT, excontext->j_osip, subscribe);
if (i != 0) {
_eXosip_subscribe_free (excontext, js);
osip_message_free (subscribe);
return i;
}
js->s_reg_period = 3600;
_eXosip_subscribe_set_refresh_interval (js, subscribe);
js->s_out_tr = transaction;
sipevent = osip_new_outgoing_sipmessage (subscribe);
sipevent->transactionid = transaction->transactionid;
osip_transaction_set_reserved5 (transaction, js);
osip_transaction_add_event (transaction, sipevent);
ADD_ELEMENT (excontext->j_subscribes, js);
_eXosip_update (excontext); /* fixed? */
_eXosip_wakeup (excontext);
return js->s_id;
}
int
eXosip_publish (struct eXosip_t *excontext, osip_message_t * message, const char *to)
{
osip_transaction_t *transaction;
osip_event_t *sipevent;
int i;
eXosip_pub_t *pub = NULL;
if (message == NULL)
return OSIP_BADPARAMETER;
if (message->cseq == NULL || message->cseq->number == NULL) {
osip_message_free (message);
return OSIP_SYNTAXERROR;
}
if (to == NULL) {
osip_message_free (message);
return OSIP_BADPARAMETER;
}
i = _eXosip_pub_find_by_aor (excontext, &pub, to);
if (i != 0 || pub == NULL) {
osip_header_t *expires;
osip_message_get_expires (message, 0, &expires);
if (expires == NULL || expires->hvalue == NULL) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: missing expires header in PUBLISH!"));
osip_message_free (message);
return OSIP_SYNTAXERROR;
}
else {
/* start a new publication context */
i = _eXosip_pub_init (&pub, to, expires->hvalue);
if (i != 0) {
osip_message_free (message);
return i;
}
ADD_ELEMENT (excontext->j_pub, pub);
}
}
else {
if (pub->p_sip_etag[0] != '\0') {
/* increase cseq */
osip_message_set_header (message, "SIP-If-Match", pub->p_sip_etag);
}
{
osip_header_t *expires;
osip_message_get_expires (message, 0, &expires);
if (expires == NULL || expires->hvalue == NULL) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: missing expires header in PUBLISH!"));
osip_message_free (message);
return OSIP_SYNTAXERROR;
}
pub->p_period = atoi (expires->hvalue);
}
if (pub->p_last_tr != NULL && pub->p_last_tr->cseq != NULL && pub->p_last_tr->cseq->number != NULL) {
int osip_cseq_num = osip_atoi (pub->p_last_tr->cseq->number);
int length = (int) strlen (pub->p_last_tr->cseq->number);
osip_cseq_num++;
osip_free (message->cseq->number);
message->cseq->number = (char *) osip_malloc (length + 2); /* +2 like for 9 to 10 */
if (message->cseq->number == NULL) {
osip_message_free (message);
return OSIP_NOMEM;
}
snprintf (message->cseq->number, length + 2, "%i", osip_cseq_num);
}
}
i = _eXosip_transaction_init (excontext, &transaction, NICT, excontext->j_osip, message);
if (i != 0) {
osip_message_free (message);
return i;
}
if (pub->p_last_tr != NULL)
osip_list_add (&excontext->j_transactions, pub->p_last_tr, 0);
pub->p_last_tr = transaction;
sipevent = osip_new_outgoing_sipmessage (message);
sipevent->transactionid = transaction->transactionid;
osip_transaction_add_event (transaction, sipevent);
_eXosip_wakeup (excontext);
return transaction->transactionid;
}
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_answer_invite_123456xx (struct eXosip_t *excontext, eXosip_call_t * jc, eXosip_dialog_t * jd, int code, osip_message_t ** answer, int send)
{
int i;
osip_transaction_t *tr;
*answer = NULL;
tr = _eXosip_find_last_inc_invite (jc, jd);
if (tr == NULL || tr->orig_request == NULL) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: cannot find transaction to answer\n"));
return OSIP_NOTFOUND;
}
if (code >= 200 && code < 300 && jd != NULL && jd->d_dialog == NULL) { /* element previously removed */
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: cannot answer this closed transaction\n"));
return OSIP_WRONG_STATE;
}
/* is the transaction already answered? */
if (tr->state == IST_COMPLETED || tr->state == IST_CONFIRMED || tr->state == IST_TERMINATED) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: transaction already answered\n"));
return OSIP_WRONG_STATE;
}
if (jd == NULL)
i = _eXosip_build_response_default (excontext, answer, NULL, code, tr->orig_request);
else
i = _eXosip_build_response_default (excontext, answer, jd->d_dialog, code, tr->orig_request);
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_INFO1, NULL, "ERROR: Could not create response for invite\n"));
*answer = NULL;
return i;
}
/* request that estabish a dialog: */
/* 12.1.1 UAS Behavior */
if (code > 100 && code < 300) {
i = _eXosip_complete_answer_that_establish_a_dialog (excontext, *answer, tr->orig_request);
if (i != 0) {
osip_message_free (*answer);
*answer = NULL;
return i;
}
}
if (send == 1) {
osip_event_t *evt_answer;
if (code >= 200 && code < 300 && jd != NULL) {
_eXosip_dialog_set_200ok (jd, *answer);
/* wait for a ACK */
osip_dialog_set_state (jd->d_dialog, DIALOG_CONFIRMED);
}
evt_answer = osip_new_outgoing_sipmessage (*answer);
evt_answer->transactionid = tr->transactionid;
osip_transaction_add_event (tr, evt_answer);
_eXosip_wakeup (excontext);
*answer = NULL;
}
return OSIP_SUCCESS;
}