static int
_eXosip_retry_with_auth (eXosip_dialog_t * jd, osip_transaction_t ** ptr,
int *retry)
{
osip_transaction_t *out_tr = NULL;
osip_transaction_t *tr = NULL;
osip_message_t *msg = NULL;
osip_event_t *sipevent;
jinfo_t *ji = NULL;
int cseq;
osip_via_t *via;
int i;
if (!ptr)
return -1;
if (jd != NULL)
{
if (jd->d_out_trs == NULL)
return -1;
}
out_tr = *ptr;
if (out_tr == NULL
|| out_tr->orig_request == NULL || out_tr->last_response == NULL)
return -1;
if (retry && (*retry >= 3))
return -1;
osip_message_clone (out_tr->orig_request, &msg);
if (msg == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: could not clone msg for authentication\n"));
return -1;
}
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 -1;
}
/* increment cseq */
cseq = atoi (msg->cseq->number);
osip_free (msg->cseq->number);
msg->cseq->number = strdup_printf ("%i", cseq + 1);
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);
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: unsupported protocol\n"));
return -1;
}
if (eXosip_add_authentication_information (msg, out_tr->last_response) < 0)
{
osip_message_free (msg);
return -1;
}
osip_message_force_update (msg);
if (MSG_IS_INVITE (msg))
i = _eXosip_transaction_init (&tr, ICT, eXosip.j_osip, msg);
else
i = _eXosip_transaction_init (&tr, NICT, eXosip.j_osip, msg);
if (i != 0)
{
osip_message_free (msg);
return -1;
}
/* replace with the new tr */
if (MSG_IS_PUBLISH(msg))
{
/* old transaction is put in the garbage list */
osip_list_add (eXosip.j_transactions, out_tr, 0);
/* new transaction is put in the publish context */
*ptr = tr;
}
else
osip_list_add (eXosip.j_transactions, tr, 0);
sipevent = osip_new_outgoing_sipmessage (msg);
ji = osip_transaction_get_your_instance (out_tr);
osip_transaction_set_your_instance (out_tr, NULL);
osip_transaction_set_your_instance (tr, ji);
osip_transaction_add_event (tr, sipevent);
if (retry)
(*retry)++;
eXosip_update (); /* fixed? */
__eXosip_wakeup ();
return 0;
}
int
_eXosip_call_retry_request (eXosip_call_t * jc,
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;
osip_contact_t *co;
int pos;
int i;
int protocol = IPPROTO_UDP;
if (jc == NULL)
return OSIP_BADPARAMETER;
if (jd != NULL)
{
if (jd->d_out_trs == NULL)
return OSIP_BADPARAMETER;
}
if (out_tr == NULL
|| out_tr->orig_request == NULL || out_tr->last_response == NULL)
return OSIP_BADPARAMETER;
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;
}
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;
}
if (MSG_IS_STATUS_3XX (out_tr->last_response))
{
co = NULL;
pos = 0;
while (!osip_list_eol (&out_tr->last_response->contacts, pos))
{
co =
(osip_contact_t *) osip_list_get (&out_tr->last_response->contacts,
pos);
if (co != NULL && co->url != NULL)
{
/* check tranport? Only allow UDP, right now */
osip_uri_param_t *u_param;
int pos2;
u_param = NULL;
pos2 = 0;
while (!osip_list_eol (&co->url->url_params, pos2))
{
u_param =
(osip_uri_param_t *) osip_list_get (&co->url->url_params,
pos2);
if (u_param == NULL || u_param->gname == NULL
|| u_param->gvalue == NULL)
{
u_param = NULL;
/* skip */
} else if (0 == osip_strcasecmp (u_param->gname, "transport"))
{
if (0 == osip_strcasecmp (u_param->gvalue, "udp"))
{
u_param = NULL;
protocol = IPPROTO_UDP;
break; /* ok */
} else if (0 == osip_strcasecmp (u_param->gvalue, "tcp"))
{
protocol = IPPROTO_TCP;
u_param = NULL;
}
break;
}
pos2++;
}
if (u_param == NULL || u_param->gname == NULL
|| u_param->gvalue == NULL)
{
break; /* default is udp! */
}
}
pos++;
co = NULL;
}
if (co == NULL || co->url == NULL)
{
osip_message_free (msg);
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: contact header\n"));
return OSIP_SYNTAXERROR;
}
/* TODO:
remove extra parameter from new request-uri
check usual parameter like "transport"
*/
if (msg->req_uri != NULL && msg->req_uri->host != NULL
&& co->url->host != NULL
&& 0 == osip_strcasecmp (co->url->host, msg->req_uri->host))
{
osip_uri_param_t *maddr_param = NULL;
osip_uri_uparam_get_byname (co->url, "maddr", &maddr_param);
if (maddr_param != NULL && maddr_param->gvalue != NULL)
{
/* This is a redirect server, the route should probably be removed? */
osip_route_t *route = NULL;
osip_generic_param_t *tag = NULL;
osip_message_get_route (msg, 0, &route);
if (route != NULL)
{
osip_to_get_tag (msg->to, &tag);
if (tag == NULL && route != NULL && route->url != NULL)
{
osip_list_remove (&msg->routes, 0);
osip_route_free (route);
}
}
}
}
/* replace request-uri with NEW contact address */
osip_uri_free (msg->req_uri);
msg->req_uri = NULL;
osip_uri_clone (co->url, &msg->req_uri);
/* support for diversions headers/draft! */
{
int count = 0;
pos = 0;
while (!osip_list_eol (&out_tr->last_response->headers, pos))
{
osip_header_t *copy = NULL;
osip_header_t *head =
osip_list_get (&out_tr->last_response->headers, pos);
if (head != NULL && 0 == osip_strcasecmp (head->hname, "diversion"))
{
i = osip_header_clone (head, ©);
if (i == 0)
{
osip_list_add (&msg->headers, copy, count);
count++;
}
}
pos++;
}
}
}
/* remove all previous authentication headers */
osip_list_special_free (&msg->authorizations,
(void *(*)(void *)) &osip_authorization_free);
osip_list_special_free (&msg->proxy_authorizations,
(void *(*)(void *)) &osip_proxy_authorization_free);
/* increment cseq */
cseq = atoi (msg->cseq->number);
osip_free (msg->cseq->number);
msg->cseq->number = strdup_printf ("%i", cseq + 1);
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;
}
if (out_tr->last_response->status_code == 401
|| out_tr->last_response->status_code == 407)
eXosip_add_authentication_information (msg, out_tr->last_response);
else
eXosip_add_authentication_information (msg, NULL);
osip_message_force_update (msg);
if (0 != osip_strcasecmp (msg->sip_method, "INVITE"))
{
i = _eXosip_transaction_init (&tr, NICT, eXosip.j_osip, msg);
} else
{
i = _eXosip_transaction_init (&tr, ICT, eXosip.j_osip, msg);
}
if (i != 0)
{
osip_message_free (msg);
return i;
}
if (out_tr == jc->c_out_tr)
{
/* replace with the new tr */
osip_list_add (&eXosip.j_transactions, jc->c_out_tr, 0);
jc->c_out_tr = tr;
/* fix dialog issue */
if (jd != NULL)
{
REMOVE_ELEMENT (jc->c_dialogs, jd);
eXosip_dialog_free (jd);
jd = NULL;
}
} else
{
/* add the new tr for the current dialog */
osip_list_add (jd->d_out_trs, tr, 0);
}
sipevent = osip_new_outgoing_sipmessage (msg);
#ifndef MINISIZE
osip_transaction_set_your_instance (tr, __eXosip_new_jinfo (jc, jd, NULL, NULL));
#else
osip_transaction_set_your_instance (tr, __eXosip_new_jinfo (jc, jd));
#endif
osip_transaction_add_event (tr, sipevent);
eXosip_update (); /* fixed? */
__eXosip_wakeup ();
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;
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;
}
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;
}
int
_eXosip_insubscription_send_request_with_credential (eXosip_notify_t * jn,
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 (jn == 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_notify (jn, 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;
}
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 = 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);
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: unsupported protocol\n"));
return i;
}
if (out_tr->last_response->status_code == 401
|| out_tr->last_response->status_code == 407)
eXosip_add_authentication_information (msg, out_tr->last_response);
else
eXosip_add_authentication_information (msg, NULL);
osip_message_force_update (msg);
i = _eXosip_transaction_init (&tr, NICT, eXosip.j_osip, msg);
if (i != 0)
{
osip_message_free (msg);
return i;
}
/* 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_your_instance (tr, __eXosip_new_jinfo (NULL, jd, NULL, jn));
osip_transaction_add_event (tr, sipevent);
eXosip_update (); /* fixed? */
__eXosip_wakeup ();
return OSIP_SUCCESS;
}
