static int
ac_packetfilter_simple(ac_sip_t *asip, void *data)
{
osip_message_t* sip = asip->req->evt->sip;
int code = osip_message_get_status_code(sip);
LOG_DEBUG("Performing simple ac on %s->%s, remote: %d\n", asip->from, asip->to, asip->req->remote_msg);
/* filter only inbound */
if (asip->req->remote_msg && !asip->req->internally_generated) {
/* todo: we should check that the sip from == the aor
associated with the connection (on remote calls) */
/* except that that would mess up the gateway things. */
//ASSERT_ZERO(sipp_get_sip_aors_simple(sip, &local_aor, &remote_aor, 1), end);
/*
if ((!MSG_IS_RESPONSE(asip->evt->sip) &&
(strcmp(asip->from, asip->remote) || strcmp(asip->to, asip->local))) ||
(MSG_IS_RESPONSE(asip->evt->sip) &&
(strcmp(asip->to, asip->remote) || strcmp(asip->from, asip->local))))
asip->verdict = AC_VERDICT_REJECT;
else
*/
if (MSG_IS_RESPONSE(sip)) {
/* reject 482 merges, as server loops aren't of any interest to us */
if (code == 482) {
LOG_WARN("Skipping %d response\n", code);
asip->verdict = AC_VERDICT_REJECT;
}
} else if (MSG_IS_ACK(sip) || MSG_IS_BYE(sip) || MSG_IS_CANCEL(sip) || MSG_IS_UPDATE(sip)) {
/* this we should let through pretty much undisturbed */
} else if (MSG_IS_SUBSCRIBE(sip) || MSG_IS_PUBLISH(sip)) {
/* if this is remotely got, just reject */
asip->verdict = AC_VERDICT_REJECT;
} else if (MSG_IS_INVITE(sip) || MSG_IS_MESSAGE(sip)) {
/* hm, nothing.. */
// } else if (MSG_IS_NOTIFY(sip)) {
} else {
/* todo: what about OPTIONS? */
LOG_WARN("Got unsupported request\n");
asip->verdict = AC_VERDICT_UNSUPP;
}
} else {
/* allow *all* outgoing! */
asip->verdict = AC_VERDICT_ALLOW;
}
return 1;
}
static int
eXosip_retry_with_auth (eXosip_event_t * je)
{
if (!je || !je->request || !je->response)
return -1;
if (je->rid>0)
{
return _eXosip_retry_register_with_auth (je);
}
else if (je->cid>0)
{
return _eXosip_retry_invite_with_auth (je);
}
#ifndef MINISIZE
else if (je->sid>0)
{
return _eXosip_retry_subscribe_with_auth (je);
}
else if (je->nid>0)
{
return _eXosip_retry_notify_with_auth (je);
}
else if (MSG_IS_PUBLISH (je->request))
return _eXosip_retry_publish_with_auth (je);
#endif
else
{
osip_transaction_t *tr=NULL;
eXosip_transaction_find(je->tid, &tr);
if (tr!=NULL)
{
return _eXosip_retry_with_auth (NULL, &tr, NULL);
}
}
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: Can't retry event %d with auth\n", je->type));
return -1;
}
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;
}