/**
* Handler for incoming Diameter requests.
* @param request - the received request
* @param param - generic pointer
* @returns the answer to this request
* but we wont/should not recieve any request here
*/
AAAMessage* RfRequestHandler(AAAMessage *request,void *param)
{
if (is_req(request)){
LOG(L_INFO,"INFO: RfRequestHandler(): We have received a request!!!\n");
#ifdef WITH_IMS_PM
ims_pm_diameter_request(request);
#endif
switch(request->applicationId){
case IMS_Rf:
switch(request->commandCode){
default :
LOG(L_ERR,"ERR: RfRequestHandler(): - Received unknown request for Rf command %d\n",request->commandCode);
break;
}
break;
default:
LOG(L_ERR,"ERR: RfRequestHandler(): - Received unknown request for app %d command %d\n",
request->applicationId,
request->commandCode);
break;
}
}
return 0;
}
/**
* Handler for incoming Diameter requests.
* @param request - the received request
* @param param - generic pointer
* @returns the answer to this request
*/
AAAMessage* CxRequestHandler(AAAMessage *request,void *param)
{
if (is_req(request)){
LOG(L_INFO,"INFO:"M_NAME":CxRequestHandler(): We have received a request\n");
#ifdef WITH_IMS_PM
ims_pm_diameter_request(request);
#endif
switch(request->applicationId){
case IMS_Cx:
switch(request->commandCode){
case IMS_RTR:
LOG(L_INFO,"INFO:"M_NAME":CxRequestHandler():- Received an IMS_RTR \n");
return Cx_RTA(request);
break;
case IMS_PPR:
LOG(L_INFO,"INFO:"M_NAME":CxRequestHandler(): - Received an IMS_PPR \n");
return Cx_PPA(request);
break;
default :
LOG(L_ERR,"ERR:"M_NAME":CxRequestHandler(): - Received unknown request for Cx command %d\n",request->commandCode);
break;
}
break;
default:
LOG(L_ERR,"ERR:"M_NAME":CxRequestHandler(): - Received unknown request for app %d command %d\n",
request->applicationId,
request->commandCode);
break;
}
}
return 0;
}
/**
* Create and send a Server-Assignment-Request and returns the Answer received for it.
* This function performs the Server Assignment operation.
* @param msg - the SIP message to send for
* @parma public_identity - the public identity of the user
* @param server_name - local name of the S-CSCF to save on the HSS
* @param realm - Realm of the user
* @param assignment_type - type of the assignment
* @param data_available - if the data is already available
* @returns the SAA
*/
AAAMessage *Cx_SAR(struct sip_msg *msg, str public_identity, str private_identity,
str server_name,str realm,int assignment_type, int data_available)
{
AAAMessage *sar=0,*saa=0;
AAASession *session=0;
AAATransaction *trans=0;
// struct cell* t;
unsigned int hash=0,label=0;
session = cdpb.AAACreateSession(0);
trans=cdpb.AAACreateTransaction(IMS_Cx,IMS_SAR);
sar = cdpb.AAACreateRequest(IMS_Cx,IMS_SAR,Flag_Proxyable,session);
if (session) {
cdpb.AAADropSession(session);
session=0;
}
if (!sar) goto error;
if (!Cx_add_destination_realm(sar,realm)) goto error;
if (!Cx_add_vendor_specific_appid(sar,IMS_vendor_id_3GPP,IMS_Cx,0 /*IMS_Cx*/)) goto error;
if (!Cx_add_auth_session_state(sar,1)) goto error;
if (!Cx_add_public_identity(sar,public_identity)) goto error;
if (!Cx_add_server_name(sar,server_name)) goto error;
if (private_identity.len)
if (!Cx_add_user_name(sar,private_identity)) goto error;
if (!Cx_add_server_assignment_type(sar,assignment_type)) goto error;
if (!Cx_add_userdata_available(sar,data_available)) goto error;
if (msg&&tmb.t_get_trans_ident(msg,&hash,&label)<0){
// it's ok cause we can call this async with a message
//LOG(L_ERR,"INF:"M_NAME":Cx_MAR: SIP message without transaction... very strange\n");
//return 0;
}
trans->hash=hash;
trans->label=label;
trans->application_id=sar->applicationId;
trans->command_code=sar->commandCode;
#ifdef WITH_IMS_PM
ims_pm_diameter_request(sar);
#endif
if (scscf_forced_hss_peer_str.len)
saa = cdpb.AAASendRecvMessageToPeer(sar,&scscf_forced_hss_peer_str);
else
saa = cdpb.AAASendRecvMessage(sar);
#ifdef WITH_IMS_PM
ims_pm_diameter_answer(saa);
#endif
cdpb.AAADropTransaction(trans);
return saa;
error:
//free stuff
if (trans) cdpb.AAADropTransaction(trans);
if (session) cdpb.AAADropSession(session);
if (sar) cdpb.AAAFreeMessage(&sar);
return 0;
}
/**
* Create and send a Multimedia-Authentication-Request and returns the Answer received for it.
* This function retrieves authentication vectors from the HSS.
* @param msg - the SIP message to send for
* @parma public_identity - the public identity of the user
* @param private_identity - the private identity of the user
* @param count - how many authentication vectors to ask for
* @param algorithm - for which algorithm
* @param authorization - the authorization value
* @param server_name - local name of the S-CSCF to save on the HSS
* @param realm - Realm of the user
* @returns the MAA
*/
AAAMessage *Cx_MAR(struct sip_msg *msg, str public_identity, str private_identity,
unsigned int count,str algorithm,str authorization,str server_name,str realm)
{
AAAMessage *mar=0,*maa=0;
AAASession *session=0;
AAATransaction *trans=0;
unsigned int hash=0,label=0;
session = cdpb.AAACreateSession(0);
trans=cdpb.AAACreateTransaction(IMS_Cx,IMS_MAR);
mar = cdpb.AAACreateRequest(IMS_Cx,IMS_MAR,Flag_Proxyable,session);
if (session) {
cdpb.AAADropSession(session);
session=0;
}
if (!mar) goto error;
if (!Cx_add_destination_realm(mar,realm)) goto error;
if (!Cx_add_vendor_specific_appid(mar,IMS_vendor_id_3GPP,IMS_Cx,0 /*IMS_Cx*/)) goto error;
if (!Cx_add_auth_session_state(mar,1)) goto error;
if (!Cx_add_public_identity(mar,public_identity)) goto error;
if (!Cx_add_user_name(mar,private_identity)) goto error;
if (!Cx_add_sip_number_auth_items(mar, count)) goto error;
if (algorithm.len==auth_scheme_types[AUTH_HTTP_DIGEST_MD5].len &&
strncasecmp(algorithm.s,auth_scheme_types[AUTH_HTTP_DIGEST_MD5].s,algorithm.len)==0) {
if (!Cx_add_sip_auth_data_item_request(mar, algorithm, authorization, private_identity, realm,
msg->first_line.u.request.method, server_name)) goto error;
}else{
if (!Cx_add_sip_auth_data_item_request(mar, algorithm, authorization, private_identity, realm,
msg->first_line.u.request.method, s_empty)) goto error;
}
if (!Cx_add_server_name(mar,server_name)) goto error;
//TODO - add the realm also - and don't add when sending if added here
if (tmb.t_get_trans_ident(msg,&hash,&label)<0){
LOG(L_ERR,"INF:"M_NAME":Cx_MAR: SIP message without transaction... very strange\n");
return 0;
}
trans->hash=hash;
trans->label=label;
trans->application_id=mar->applicationId;
trans->command_code=mar->commandCode;
#ifdef WITH_IMS_PM
ims_pm_diameter_request(mar);
#endif
if (scscf_forced_hss_peer_str.len)
maa = cdpb.AAASendRecvMessageToPeer(mar,&scscf_forced_hss_peer_str);
else
maa = cdpb.AAASendRecvMessage(mar);
#ifdef WITH_IMS_PM
ims_pm_diameter_answer(maa);
#endif
cdpb.AAADropTransaction(trans);
return maa;
error:
//free stuff
if (trans) cdpb.AAADropTransaction(trans);
if (session) cdpb.AAADropSession(session);
if (mar) cdpb.AAAFreeMessage(&mar);
return 0;
}
