/**
* Allocates a new AAAMessage.
* @param commandCode - the command code for this message
* @param applicationId - application id to be set
* @param sessionId - session id to be set
* @param request - if you want to create a response, put the request here. If you want a
* request, call with NULL
* @returns the AAAMessage* or NULL on error
* \note This function is taken from DISC http://developer.berlios.de/projects/disc/
*/
AAAMessage *AAANewMessage(
AAACommandCode commandCode,
AAAApplicationId applicationId,
AAASessionId *sessionId,
AAAMessage *request)
{
AAAMessage *msg;
AAA_AVP *avp;
AAA_AVP *avp_t;
#if 0
unsigned int code;
#endif
str dest_host={"?",1};
str dest_realm={"?",1};
msg = 0;
if (!sessionId||!sessionId->s) {
if (request && request->sessionId){
/* copy old session id */
avp = request->sessionId;
if (avp) {
sessionId = &(avp->data);
}
}else{
//because of diameter base messages etc
// LOG(L_ERR,"ERROR:AAANewMessage: param session-ID received null and it's a request!!\n");
// goto error;
}
}
/* allocated a new AAAMessage structure and set it to 0 */
msg = (AAAMessage*)shm_malloc(sizeof(AAAMessage));
if (!msg) {
LOG(L_ERR,"ERROR:AAANewMessage: no more free memory!!\n");
goto error;
}
memset(msg,0,sizeof(AAAMessage));
/* command code */
msg->commandCode = commandCode;
/* application ID */
msg->applicationId = applicationId;
/* add session ID */
if (sessionId){
avp = AAACreateAVP( 263, 0, 0, sessionId->s, sessionId->len,
AVP_DUPLICATE_DATA);
if ( !avp || AAAAddAVPToMessage(msg,avp,0)!=AAA_ERR_SUCCESS) {
LOG(L_ERR,"ERROR:AAANewMessage: cannot create/add Session-Id avp\n");
if (avp) AAAFreeAVP( &avp );
goto error;
}
msg->sessionId = avp;
}
/* add origin host AVP */
/* changed by cristian to comply with rfc3588:
* 6.3. Origin-Host AVP
*
* The Origin-Host AVP (AVP Code 264) is of type
* DiameterIdentity... */
avp = AAACreateAVP( 264, 0, 0, config->fqdn.s, config->fqdn.len,
AVP_DUPLICATE_DATA);
if (!avp||AAAAddAVPToMessage(msg,avp,msg->avpList.tail)!=AAA_ERR_SUCCESS) {
LOG(L_ERR,"ERROR:AAANewMessage: cannot create/add Origin-Host avp\n");
if (avp) AAAFreeAVP( &avp );
goto error;
}
msg->orig_host = avp;
/* add origin realm AVP */
avp = AAACreateAVP( 296, 0, 0, config->realm.s, config->realm.len,
AVP_DUPLICATE_DATA);
if (!avp||AAAAddAVPToMessage(msg,avp,msg->avpList.tail)!=AAA_ERR_SUCCESS) {
LOG(L_ERR,"ERROR:AAANewMessage: cannot create/add Origin-Realm avp\n");
if (avp) AAAFreeAVP( &avp );
goto error;
}
msg->orig_realm = avp;
if (!request) {
/* it's a new request -> set the flag */
msg->flags = 0x80;
/* keep track of the session -> SendMessage will need it! */
msg->sId = sessionId;
} else {
/* it'a an answer -> it will have the same session Id */
msg->sId = request->sId;
/* link the incoming peer to the answer */
msg->in_peer = request->in_peer;
/* set the P flag as in request */
msg->flags |= request->flags&0x40;
/**/
msg->endtoendId = request->endtoendId;
msg->hopbyhopId = request->hopbyhopId;
/* Mirror the old originhost/realm to destinationhost/realm*/
avp = AAAFindMatchingAVP(request,0,AVP_Origin_Host,0,0);
if (avp) dest_host = avp->data;
/* add destination host and destination realm */
avp = AAACreateAVP(AVP_Destination_Host,AAA_AVP_FLAG_MANDATORY,0,
dest_host.s,dest_host.len,AVP_DUPLICATE_DATA);
if (!avp) {
LOG(L_ERR,"ERR:AAANewMessage: Failed creating Destination Host avp\n");
return 0;
}
if (AAAAddAVPToMessage(msg,avp,msg->avpList.tail)!=AAA_ERR_SUCCESS) {
LOG(L_ERR,"ERR:AAANewMessage: Failed adding Destination Host avp to message\n");
AAAFreeAVP(&avp);
return 0;
}
avp = AAAFindMatchingAVP(request,0,AVP_Origin_Realm,0,0);
if (avp) dest_realm = avp->data;
avp = AAACreateAVP(AVP_Destination_Realm,AAA_AVP_FLAG_MANDATORY,0,
dest_realm.s,dest_realm.len,AVP_DUPLICATE_DATA);
if (!avp) {
LOG(L_ERR,"ERR:AAANewMessage: Failed creating Destination Realm avp\n");
return 0;
}
if (AAAAddAVPToMessage(msg,avp,msg->avpList.tail)!=AAA_ERR_SUCCESS) {
LOG(L_ERR,"ERR:AAANewMessage: Failed adding Destination Realm avp to message\n");
AAAFreeAVP(&avp);
return 0;
}
msg->res_code=0;
/* mirror all the proxy-info avp in the same order */
avp_t = request->avpList.head;
while ( (avp_t=AAAFindMatchingAVP
(request,avp_t,284,0,AAA_FORWARD_SEARCH))!=0 ) {
if ( (avp=AAACloneAVP(avp_t,1))==0 || AAAAddAVPToMessage( msg, avp,
msg->avpList.tail)!=AAA_ERR_SUCCESS )
goto error;
}
}
return msg;
error:
LOG(L_ERR,"ERROR:AAANewMessage: failed to create a new AAA message!\n");
AAAFreeMessage(&msg);
return 0;
}
/**
* Allocates a new AAAMessage.
* @param commandCode - the command code for this message
* @param applicationId - application id to be set
* @param sessionId - session id to be set
* @param request - if you want to create a response, put the request here. If you want a
* request, call with NULL
* @returns the AAAMessage* or NULL on error
* \note This function is taken from DISC http://developer.berlios.de/projects/disc/
*/
AAAMessage *AAANewMessage(
AAACommandCode commandCode,
AAAApplicationId applicationId,
AAASession *session,
AAAMessage *request)
{
AAAMessage *msg;
AAA_AVP *avp;
AAA_AVP *avp_t;
str *sessionId=0;
#if 0
unsigned int code;
#endif
// str dest_host={"?",1};
str dest_realm={"?",1};
msg = 0;
if (!session||!session->id.s) {
if (request){
/* copy old session id from AVP */
if (request->sessionId)
sessionId = &(request->sessionId->data);
}else{
if (commandCode!=Code_DW)
LM_DBG("AAANewMessage: param session received null and it's a request!!\n");
}
}else{
sessionId = &(session->id);
}
/* allocated a new AAAMessage structure and set it to 0 */
msg = (AAAMessage*)shm_malloc(sizeof(AAAMessage));
if (!msg) {
LM_ERR("AAANewMessage: no more free memory!!\n");
goto error;
}
memset(msg,0,sizeof(AAAMessage));
/* command code */
msg->commandCode = commandCode;
/* application ID */
msg->applicationId = applicationId;
/*add session ID */
if (sessionId){
avp = AAACreateAVP( 263, 0, 0, sessionId->s, sessionId->len,
AVP_DUPLICATE_DATA);
if ( !avp || AAAAddAVPToMessage(msg,avp,0)!=AAA_ERR_SUCCESS) {
LM_ERR("AAANewMessage: cannot create/add Session-Id avp\n");
if (avp) AAAFreeAVP( &avp );
goto error;
}
msg->sessionId = avp;
}
/* add origin host AVP */
/* changed by cristian to comply with rfc3588:
* 6.3. Origin-Host AVP
*
* The Origin-Host AVP (AVP Code 264) is of type
* DiameterIdentity... */
avp = AAACreateAVP( 264, 0, 0, config->fqdn.s, config->fqdn.len,
AVP_DUPLICATE_DATA);
if (!avp||AAAAddAVPToMessage(msg,avp,msg->avpList.tail)!=AAA_ERR_SUCCESS) {
LM_ERR("AAANewMessage: cannot create/add Origin-Host avp\n");
if (avp) AAAFreeAVP( &avp );
goto error;
}
msg->orig_host = avp;
/* add origin realm AVP */
avp = AAACreateAVP( 296, 0, 0, config->realm.s, config->realm.len,
AVP_DUPLICATE_DATA);
if (!avp||AAAAddAVPToMessage(msg,avp,msg->avpList.tail)!=AAA_ERR_SUCCESS) {
LM_ERR("AAANewMessage: cannot create/add Origin-Realm avp\n");
if (avp) AAAFreeAVP( &avp );
goto error;
}
msg->orig_realm = avp;
if (!request) {
/* it's a new request -> set the flag */
msg->flags = 0x80;
} else {
/* link the incoming peer to the answer */
msg->in_peer = request->in_peer;
/* set the P flag as in request */
msg->flags |= request->flags&0x40;
/**/
msg->endtoendId = request->endtoendId;
msg->hopbyhopId = request->hopbyhopId;
//TODO: aon:move this information in the AAASession structure, do not add these fields for
if (msg->commandCode==Code_CE||msg->commandCode==Code_DP||msg->commandCode==Code_DW ||
msg->commandCode==Diameter_CCR || msg->commandCode==Diameter_RAR){
// Don't add Destination Host/Realm because some stacks are way to picky and will just refuse it
}else{
/* Mirror the old originhost/realm to destinationhost/realm*/
//avp = AAAFindMatchingAVP(request,0,AVP_Origin_Host,0,0);
//if (avp) dest_host = avp->data;
/* add destination host and destination realm */
//avp = AAACreateAVP(AVP_Destination_Host,AAA_AVP_FLAG_MANDATORY,0,
// dest_host.s,dest_host.len,AVP_DUPLICATE_DATA);
//if (!avp) {
// LM_ERR("ERR:AAANewMessage: Failed creating Destination Host avp\n");
// goto error;
// }
// if (AAAAddAVPToMessage(msg,avp,msg->avpList.tail)!=AAA_ERR_SUCCESS) {
// LM_ERR("ERR:AAANewMessage: Failed adding Destination Host avp to message\n");
// AAAFreeAVP(&avp);
// goto error;
// }
avp = AAAFindMatchingAVP(request,0,AVP_Origin_Realm,0,0);
if (avp) dest_realm = avp->data;
avp = AAACreateAVP(AVP_Destination_Realm,AAA_AVP_FLAG_MANDATORY,0,
dest_realm.s,dest_realm.len,AVP_DUPLICATE_DATA);
if (!avp) {
LM_ERR("ERR:AAANewMessage: Failed creating Destination Realm avp\n");
goto error;
}
if (AAAAddAVPToMessage(msg,avp,msg->avpList.tail)!=AAA_ERR_SUCCESS) {
LM_ERR("ERR:AAANewMessage: Failed adding Destination Realm avp to message\n");
AAAFreeAVP(&avp);
goto error;
}
}
msg->res_code=0;
/* mirror all the proxy-info avp in the same order */
avp_t = request->avpList.head;
while ( (avp_t=AAAFindMatchingAVP
(request,avp_t,284,0,AAA_FORWARD_SEARCH))!=0 ) {
if ( (avp=AAACloneAVP(avp_t,1))==0 || AAAAddAVPToMessage( msg, avp,
msg->avpList.tail)!=AAA_ERR_SUCCESS )
goto error;
}
}
return msg;
error:
LM_ERR("AAANewMessage: failed to create a new AAA message!\n");
AAAFreeMessage(&msg);
return 0;
}