/*
* SIP_ADD_MYVIA
*
* interface == IF_OUTBOUND, IF_INBOUND
*
* RETURNS
* STS_SUCCESS on success
* STS_FAILURE on error
*/
int sip_add_myvia (sip_ticket_t *ticket, int interface) {
struct in_addr addr;
char tmp[URL_STRING_SIZE];
osip_via_t *via;
int sts;
char branch_id[VIA_BRANCH_SIZE];
char *myaddr;
if (get_interface_ip(interface, &addr) != STS_SUCCESS) {
return STS_FAILURE;
}
sts = sip_calculate_branch_id(ticket, branch_id);
myaddr=utils_inet_ntoa(addr);
sprintf(tmp, "SIP/2.0/UDP %s:%i;branch=%s",
myaddr, configuration.sip_listen_port,
branch_id);
DEBUGC(DBCLASS_BABBLE,"adding VIA:%s",tmp);
sts = osip_via_init(&via);
if (sts!=0) return STS_FAILURE; /* allocation failed */
sts = osip_via_parse(via, tmp);
if (sts!=0) return STS_FAILURE;
osip_list_add(ticket->sipmsg->vias,via,0);
return STS_SUCCESS;
}
int
main (int argc, char **argv)
{
FILE *vias_file;
osip_via_t *via;
char *a_via;
char *dest;
char *res;
vias_file = fopen (argv[1], "r");
if (vias_file == NULL)
{
fprintf (stdout, "Failed to open %s file.\nUsage: tvia vias.txt\n", argv[1]);
exit (0);
}
a_via = (char *) osip_malloc (200);
res = fgets (a_via, 200, vias_file); /* lines are under 200 */
while (res != NULL)
{
int errcode;
/* remove the last '\n' before parsing */
osip_strncpy (a_via + strlen (a_via) - 1, "\0", 1);
if (0 != strncmp (a_via, "#", 1))
{
/* allocate & init via */
osip_via_init (&via);
printf ("=================================================\n");
printf ("VIA TO PARSE: |%s|\n", a_via);
errcode = osip_via_parse (via, a_via);
if (errcode != -1)
{
if (osip_via_to_str (via, &dest) != -1)
{
printf ("result: |%s|\n", dest);
osip_free (dest);
}
} else
printf ("Bad via format: %s\n", a_via);
osip_via_free (via);
printf ("=================================================\n");
}
res = fgets (a_via, 200, vias_file); /* lines are under 200 */
}
osip_free (a_via);
return 0;
}
/* returns -1 on error. */
int
osip_message_append_via (osip_message_t * sip, const char *hvalue)
{
osip_via_t *via;
int i;
i = osip_via_init (&via);
if (i != 0)
return -1;
i = osip_via_parse (via, hvalue);
if (i != 0)
{
osip_via_free (via);
return -1;
}
sip->message_property = 2;
osip_list_add (sip->vias, via, 0);
return 0;
}
/*
* SIP_ADD_MYVIA
*
* interface == IF_OUTBOUND, IF_INBOUND
*
* RETURNS
* STS_SUCCESS on success
* STS_FAILURE on error
*/
int sip_add_myvia (sip_ticket_t *ticket, int interface,
struct in_addr *local_ip) {
struct in_addr addr;
char tmp[URL_STRING_SIZE] = {0};
osip_via_t *via;
int sts;
char branch_id[VIA_BRANCH_SIZE];
if (local_ip == NULL) {
if (interface == IF_OUTBOUND) {
if (get_ip_by_ifname(configuration.outbound_if, &addr) != STS_SUCCESS) {
ERROR("can't find interface %s - configuration error?",
configuration.outbound_if);
return STS_FAILURE;
}
} else {
if (get_ip_by_ifname(configuration.inbound_if, &addr) != STS_SUCCESS) {
ERROR("can't find inbound interface %s - configuration error?",
configuration.inbound_if);
return STS_FAILURE;
}
}
} else {
addr = *local_ip;
}
sts = sip_calculate_branch_id(ticket, branch_id);
snprintf(tmp,URL_STRING_SIZE, "SIP/2.0/UDP %s:%i;branch=%s;", utils_inet_ntoa(addr),
configuration.sip_listen_port, branch_id);
DEBUGC(DBCLASS_BABBLE,"adding VIA:%s",tmp);
sts = osip_via_init(&via);
if (sts!=0) return STS_FAILURE; /* allocation failed */
sts = osip_via_parse(via, tmp);
if (sts!=0) return STS_FAILURE;
osip_list_add(ticket->sipmsg->vias,via,0);
return STS_SUCCESS;
}
/* returns -1 on error. */
int
osip_message_set_via (osip_message_t * sip, const char *hvalue)
{
osip_via_t *via;
int i;
if (hvalue == NULL || hvalue[0] == '\0')
return 0;
i = osip_via_init (&via);
if (i != 0)
return -1;
i = osip_via_parse (via, hvalue);
if (i != 0)
{
osip_via_free (via);
return -1;
}
sip->message_property = 2;
osip_list_add (sip->vias, via, -1);
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;
char locip[256];
int cseq;
char tmp[256];
osip_via_t *via;
int i;
if (jn == NULL)
return -1;
if (jd != NULL)
{
if (jd->d_out_trs == NULL)
return -1;
}
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 -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++;
}
osip_list_remove (msg->vias, 0);
osip_via_free (via);
i = _eXosip_find_protocol (out_tr->orig_request);
if (i == IPPROTO_UDP)
{
eXosip_guess_ip_for_via (eXosip.net_interfaces[0].net_ip_family, locip,
sizeof (locip));
if (eXosip.net_interfaces[0].net_ip_family == AF_INET6)
snprintf (tmp, 256, "SIP/2.0/UDP [%s]:%s;branch=z9hG4bK%u",
locip, eXosip.net_interfaces[0].net_port,
via_branch_new_random ());
else
snprintf (tmp, 256, "SIP/2.0/UDP %s:%s;rport;branch=z9hG4bK%u",
locip, eXosip.net_interfaces[0].net_port,
via_branch_new_random ());
} else if (i == IPPROTO_TCP)
{
eXosip_guess_ip_for_via (eXosip.net_interfaces[1].net_ip_family, locip,
sizeof (locip));
if (eXosip.net_interfaces[1].net_ip_family == AF_INET6)
snprintf (tmp, 256, "SIP/2.0/TCP [%s]:%s;branch=z9hG4bK%u",
locip, eXosip.net_interfaces[1].net_port,
via_branch_new_random ());
else
snprintf (tmp, 256, "SIP/2.0/TCP %s:%s;rport;branch=z9hG4bK%u",
locip, eXosip.net_interfaces[1].net_port,
via_branch_new_random ());
} else
{
/* tls? */
osip_message_free (msg);
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: unsupported protocol\n"));
return -1;
}
osip_via_init (&via);
osip_via_parse (via, tmp);
osip_list_add (msg->vias, via, 0);
eXosip_add_authentication_information (msg, out_tr->last_response);
osip_message_force_update (msg);
i = osip_transaction_init (&tr, NICT, eXosip.j_osip, msg);
if (i != 0)
{
osip_message_free (msg);
return -1;
}
/* 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 0;
}
int eXosip_reinvite_with_authentication (struct eXosip_call_t *jc)
{
struct eXosip_call_t *jcc;
#ifdef SM
char *locip;
#else
char locip[50];
#endif
osip_message_t * cloneinvite;
osip_event_t *sipevent;
osip_transaction_t *transaction;
int osip_cseq_num,length;
osip_via_t *via;
char *tmp;
int i;
osip_message_clone (jc->c_out_tr->orig_request, &cloneinvite);
osip_cseq_num = osip_atoi(jc->c_out_tr->orig_request->cseq->number);
length = strlen(jc->c_out_tr->orig_request->cseq->number);
tmp = (char *)osip_malloc(90*sizeof(char));
via = (osip_via_t *) osip_list_get (cloneinvite->vias, 0);
osip_list_remove(cloneinvite->vias, 0);
osip_via_free(via);
#ifdef SM
eXosip_get_localip_for(cloneinvite->req_uri->host,&locip);
#else
eXosip_guess_ip_for_via(eXosip.ip_family, locip, 49);
#endif
if (eXosip.ip_family==AF_INET6) {
sprintf(tmp, "SIP/2.0/UDP [%s]:%s;branch=z9hG4bK%u", locip,
eXosip.localport, via_branch_new_random());
} else {
sprintf(tmp, "SIP/2.0/UDP %s:%s;branch=z9hG4bK%u", locip,
eXosip.localport, via_branch_new_random());
}
#ifdef SM
osip_free(locip);
#endif
osip_via_init(&via);
osip_via_parse(via, tmp);
osip_list_add(cloneinvite->vias, via, 0);
osip_free(tmp);
osip_cseq_num++;
osip_free(cloneinvite->cseq->number);
cloneinvite->cseq->number = (char*)osip_malloc(length + 2);
sprintf(cloneinvite->cseq->number, "%i", osip_cseq_num);
eXosip_add_authentication_information(cloneinvite, jc->c_out_tr->last_response);
cloneinvite->message_property = 0;
eXosip_call_init(&jcc);
i = osip_transaction_init(&transaction,
ICT,
eXosip.j_osip,
cloneinvite);
if (i!=0)
{
eXosip_call_free(jc);
osip_message_free(cloneinvite);
return -1;
}
jcc->c_out_tr = transaction;
sipevent = osip_new_outgoing_sipmessage(cloneinvite);
sipevent->transactionid = transaction->transactionid;
osip_transaction_set_your_instance(transaction, __eXosip_new_jinfo(jcc,
NULL, NULL, NULL));
osip_transaction_add_event(transaction, sipevent);
jcc->external_reference = 0;
ADD_ELEMENT(eXosip.j_calls, jcc);
eXosip_update(); /* fixed? */
__eXosip_wakeup();
return 0;
}
