/**
* Registers tm callback to apply privacy to replies.
* @param msg - the SIP message
* @param str1 - not used
* @param str2 - not used
* @returns #CSCF_RETURN_TRUE
*/
int S_privacy_hook(struct sip_msg* msg, char* str1, char* str2) {
unsigned int a,b;
cscf_get_transaction(msg,&a,&b);
#ifdef SER_MOD_INTERFACE
tmb.register_tmcb(msg,0,TMCB_RESPONSE_IN,privacy_reply_cb,0,0);
#else
tmb.register_tmcb(msg,0,TMCB_RESPONSE_IN,privacy_reply_cb,0);
#endif
return CSCF_RETURN_TRUE;
}
/**
* Forwards the message to the application server.
* - Marks the message
* - fills routes
* - replaces dst_uri
* @param msg - the SIP message
* @param m - the isc_match that matched with info about where to forward it
* @param mark - the isc_mark that should be used to mark the message
* @returns #ISC_RETURN_TRUE if OK, #ISC_RETURN_ERROR if not
*/
int isc_forward( struct sip_msg *msg, isc_match *m,isc_mark *mark)
{
struct cell *t;
unsigned int hash,label;
ticks_t fr_timeout,fr_inv_timeout;
DBG( "DEBUG:"M_NAME":isc_forward(): marking for AS <%.*s>\n",
m->server_name.len, m->server_name.s );
isc_mark_set(msg,m,mark);
/* change destination so it forwards to the app server */
if (msg->dst_uri.s) pkg_free(msg->dst_uri.s);
msg->dst_uri.s = pkg_malloc(m->server_name.len);
if (!msg->dst_uri.s) {
LOG(L_ERR,"ERR:"M_NAME":isc_forward(): error allocating %d bytes\n",m->server_name.len);
return ISC_RETURN_ERROR;
}
msg->dst_uri.len = m->server_name.len;
memcpy(msg->dst_uri.s,m->server_name.s,m->server_name.len);
/* append branch if last trigger failed */
if (*isc_tmb.route_mode == MODE_ONFAILURE)
append_branch(msg,msg->first_line.u.request.uri.s,msg->first_line.u.request.uri.len,
msg->dst_uri.s,msg->dst_uri.len,0,0);
/* set the timeout timers to a lower value */
cscf_get_transaction(msg,&hash,&label);
t = isc_tmb.t_gett();
fr_timeout = t->fr_timeout;
fr_inv_timeout = t->fr_inv_timeout;
t->fr_timeout=S_TO_TICKS(isc_fr_timeout)/1000;
t->fr_inv_timeout=S_TO_TICKS(isc_fr_inv_timeout)/1000;
/* send it */
isc_tmb.t_relay(msg,0,0);
/* recover the timeouts */
t->fr_timeout=fr_timeout;
t->fr_inv_timeout=fr_inv_timeout;
LOG(L_INFO,"INFO:"M_NAME">> msg was fwded to AS\n");
// LOG(L_INFO,"INFO:"M_NAME":isc_forward: fw relayed with marking [%8X]\n",rc->mark.cnt);
// DBG( "DEBUG:"M_NAME":isc_forward: Forward sending finished, resuming operation\n" );
return ISC_RETURN_TRUE;
}
/* Send the OPTIONS response to the E-CSCF
* could be used after a LOCSIP NOTIFY is received
* @param msg - the OPTIONS request from the ECSCF
* @param str1 - not used
* @param str2 - not used
* @return CSCF_RETURN_TRUE if ok, or CSCF_RETURN_FALSE if error
*/
int LRF_call_query_resp(struct sip_msg* msg, char*str1, char*str2){
str user_uri;
user_d * d= NULL;
str service;
struct cell * trans = NULL;
str resp_body = {0,0};
str headers = {0,0};
unsigned int hash_index, label;
LOG(L_INFO, "INFO:"M_NAME":LRF_call_query_resp\n");
if (msg->first_line.u.request.method.len!=7||
memcmp(msg->first_line.u.request.method.s,"OPTIONS",7)!=0){
LOG(L_WARN,"WARN:"M_NAME":LRF_call_query_resp: The method is not an OPTIONS, trying to replace the message\n");
msg = cscf_get_request_from_reply(NULL);
if(! msg || msg->first_line.type!=SIP_REQUEST || msg->first_line.u.request.method.len!=7||
memcmp(msg->first_line.u.request.method.s,"OPTIONS",7)!=0){
LOG(L_ERR,"BUG:"M_NAME":LRF_call_query_resp: The new message is not an OPTIONS request either\n");
return CSCF_RETURN_ERROR;
}
}
service = cscf_get_headers_content(msg, service_hdr_name);
if(!service.len || !service.s){
LOG(L_ERR, "ERR:"M_NAME":LRF_call_query_resp: could not find the service header in the OPTIONS, or could not be parsed\n");
return CSCF_RETURN_FALSE;
}
str callid = cscf_get_call_id(msg, NULL);
if(!callid.s || !callid.len){
LOG(L_ERR, "ERR:"M_NAME":LRF_get_psap: could not find the callid header in the OPTIONS request\n");
return CSCF_RETURN_FALSE;
}
user_uri = msg->first_line.u.request.uri;
d = get_user_data(user_uri, service, callid);
if(!d) {
LOG(L_ERR, "ERR:"M_NAME":LRF_call_query_resp: could not found user data for uri %.*s and service %.*s\n",
user_uri.len, user_uri.s, service.len, service.s);
goto error;
}
if(!d->psap_uri.len || !d->psap_uri.s){
LOG(L_ERR, "ERR: "M_NAME":LRF_call_query_resp: null psap uri\n");
goto error;
}
if(d->loc && d->locsip_loc){
LOG(L_DBG, "DBG: "M_NAME":LRF_call_query_resp: LRF has location information from the LOCSIP server\n");
if(get_options_resp_body(&resp_body, d)){
LOG(L_ERR, "ERR:"M_NAME":LRF_call_query_resp:could not get the OPTIONS response body\n");
goto error;
}
}
if(get_options_resp_headers(&headers, d)){
LOG(L_ERR, "ERR:"M_NAME":LRF_call_query_resp:could not get the OPTIONS response headers\n");
goto error;
}
//get crt trans
if(cscf_get_transaction(msg, &hash_index, &label)<0){
LOG(L_ERR, "ERR:"M_NAME":LRF_call_query_resp: could not get the trans from the message\n");
goto error;
}
if(tmb.t_lookup_ident(&trans, hash_index, label)!=1){
LOG(L_ERR, "ERR:"M_NAME":LRF_call_query_resp: could not get the trans from the hash and index\n");
goto error;
}
if(tmb.t_reply_with_body(trans, 200, "OK - PSAP found", resp_body.s, headers.s, "lrf" )!= 1){
LOG(L_ERR, "ERR:"M_NAME":LRF_call_query_resp: could not send the response\n");
goto error2;
}
#ifndef TM_DEL_UNREF
LOG(L_ERR, "ERR:"M_NAME":LRF_call_query_resp: options ref count %i\n", trans->ref_count);
#endif
lrf_unlock(d->hash);
if(resp_body.s)
pkg_free(resp_body.s);
if(headers.s)
pkg_free(headers.s);
return CSCF_RETURN_TRUE;
error2:
//tmb.t_unref_ident(trans->hash_index, trans->label);
error:
LOG(L_DBG, "DBG: "M_NAME":LRF_call_query_resp: error label\n");
if(d)
lrf_unlock(d->hash);
LOG(L_DBG, "DBG: "M_NAME":LRF_call_query_resp: error label\n");
//if(resp_body.s) pkg_free(resp_body.s);
LOG(L_DBG, "DBG: "M_NAME":LRF_call_query_resp: error label\n");
//if(headers.s) pkg_free(headers.s);
LOG(L_DBG, "DBG: "M_NAME":LRF_call_query_resp: error label\n");
return CSCF_RETURN_FALSE;
}