/**
* Create a Diameter Request.
* @param app_id - application id to be set
* @param command_code - the command code for this message
* @param flags - flags to be set
* @param sessId - session id to be set
* @returns the AAAMessage* or NULL on error
*/
AAAMessage *AAACreateRequest(AAAApplicationId app_id,
AAACommandCode command_code,
AAAMsgFlag flags,
AAASession *session)
{
AAAMessage *msg;
AAA_AVP *avp;
msg = AAANewMessage(command_code,app_id,session,0);
if (!msg) return 0;
msg->hopbyhopId = next_hopbyhop();
msg->endtoendId = next_endtoend();
msg->flags |= flags;
if(session){
/* add destination host and destination realm */
if(session->dest_host.s){
avp = AAACreateAVP(AVP_Destination_Host,AAA_AVP_FLAG_MANDATORY,0,
session->dest_host.s,session->dest_host.len,AVP_DUPLICATE_DATA);
if (!avp) {
LOG(L_ERR,"ERR:AAACreateRequest: Failed creating Destination Host avp\n");
goto error;
}
if (AAAAddAVPToMessage(msg,avp,msg->avpList.tail)!=AAA_ERR_SUCCESS) {
LOG(L_ERR,"ERR:AAACreateRequest: Failed adding Destination Host avp to message\n");
AAAFreeAVP(&avp);
goto error;
}
}
if(session->dest_realm.s){
avp = AAACreateAVP(AVP_Destination_Realm,AAA_AVP_FLAG_MANDATORY,0,
session->dest_realm.s,session->dest_realm.len,AVP_DUPLICATE_DATA);
if (!avp) {
LOG(L_ERR,"ERR:AAACreateRequest: Failed creating Destination Realm avp\n");
goto error;
}
if (AAAAddAVPToMessage(msg,avp,msg->avpList.tail)!=AAA_ERR_SUCCESS) {
LOG(L_ERR,"ERR:AAACreateRequest: Failed adding Destination Realm avp to message\n");
AAAFreeAVP(&avp);
goto error;
}
}
}
return msg;
error:
AAAFreeMessage(&msg);
return NULL;
}
/* copies the Origin-Host AVP from the src message in a Destination-Host AVP in the dest message
* copies the Origin-Realm AVP from the src message in a Destination-Realm AVP in the dest message
*
*/
int dup_routing_avps(AAAMessage* src, AAAMessage *dest){
AAA_AVP * avp;
str dest_host, dest_realm;
if(!src)
return 1;
avp = AAAFindMatchingAVP(src,src->avpList.head,AVP_Origin_Host,0,AAA_FORWARD_SEARCH);
if(avp && avp->data.s && avp->data.len) {
LOG(L_DBG,"DBG:dup_routing_avps: Origin Host AVP present, duplicating %.*s\n",
avp->data.len, avp->data.s);
dest_host = avp->data;
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:dup_routing_avps: Failed creating Destination Host avp\n");
goto error;
}
if (AAAAddAVPToMessage(dest,avp,dest->avpList.tail)!=AAA_ERR_SUCCESS) {
LOG(L_ERR,"ERR:dup_routing_avps: Failed adding Destination Host avp to message\n");
AAAFreeAVP(&avp);
goto error;
}
}
avp = AAAFindMatchingAVP(src,src->avpList.head,AVP_Origin_Realm,0,AAA_FORWARD_SEARCH);
if(avp && avp->data.s && avp->data.len) {
LOG(L_DBG,"DBG:dup_routing_avps: Origin Realm AVP present, duplicating %.*s\n",
avp->data.len, avp->data.s);
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:dup_routing_avps: Failed creating Destination Host avp\n");
goto error;
}
if (AAAAddAVPToMessage(dest,avp,dest->avpList.tail)!=AAA_ERR_SUCCESS) {
LOG(L_ERR,"ERR:dup_routing_avps: Failed adding Destination Host avp to message\n");
AAAFreeAVP(&avp);
goto error;
}
}
return 1;
error:
return 0;
}
/* frees a message allocated through AAANewMessage()
*/
AAAReturnCode AAAFreeMessage(AAAMessage **msg)
{
AAA_AVP *avp_t;
AAA_AVP *avp;
/* param check */
if (!msg || !(*msg))
goto done;
/* free the avp list */
avp = (*msg)->avpList.head;
while (avp) {
avp_t = avp;
avp = avp->next;
/*free the avp*/
AAAFreeAVP(&avp_t);
}
/* free the buffer (if any) */
if ( (*msg)->buf.s )
ad_free( (*msg)->buf.s );
/* free the AAA msg */
ad_free(*msg);
msg = 0;
done:
return AAA_ERR_SUCCESS;
}
AAAMessage *send_unknown_request_answer(AAAMessage *req)
{
AAAMessage *ans=0;
char x[4];
AAA_AVP *avp;
/* UAA header is created based on the UAR */
ans = AAANewMessage(req->commandCode,req->applicationId,0,req);
if (!ans) return 0;
set_4bytes(x,(unsigned int) DIAMETER_UNABLE_TO_COMPLY);
avp = AAACreateAVP(AVP_Result_Code,AAA_AVP_FLAG_MANDATORY,0,x,4,AVP_DUPLICATE_DATA);
if (!avp) {
LOG(L_ERR,"ERR: Failed creating avp for result code\n");
AAAFreeMessage(&ans);
return 0;
}
if (AAAAddAVPToMessage(ans,avp,ans->avpList.tail)!=AAA_ERR_SUCCESS) {
LOG(L_ERR,"ERR: Failed adding avp to message\n");
AAAFreeAVP(&avp);
AAAFreeMessage(&ans);
return 0;
}
return ans;
}
/**
* Accounting client: sends an ACR Event and returns answer
* @param acr ACR with EVENT_RECORD Accounting-Record-Type
* @param dlgid app-level session/dialog id
* @param peer_fqdn FQDN of diameter peer to send message to
* @return answer (ACA) or NULL if sending failed
*/
AAAMessage* AAAAcctCliEvent(AAAMessage* acr, str* dlgid, str* peer_fqdn) {
// TODO: check acr has Accounting-Record-Type with EVENT_RECORD value
AAAMessage* aca = 0;
AAA_AVP *avp;
AAAAcctSession* s = AAACreateAcctSession(peer_fqdn, dlgid);
if (!s) return 0;
// add Session-Id AVP
avp = AAACreateAVP( 263, 0, 0, s->sID->s, s->sID->len,
AVP_DUPLICATE_DATA);
if ( !avp || AAAAddAVPToMessage(acr,avp,0)!=AAA_ERR_SUCCESS) {
LOG(L_ERR,"ERROR:AAAAcctCliEvent: cannot create/add Session-Id avp\n");
if (avp) AAAFreeAVP( &avp );
goto error;
}
acr->sessionId = avp;
acct_cli_sm_process(s, ACC_EV_EVENT, acr, aca, 0);
AAADropAcctSession(s); // TODO: only drop if received successfull answer, otherwise need to buffer and follow Accounting client state machine...
return aca;
error:
return 0;
}
/* copies the Origin-Host AVP from the src message in a Destination-Host AVP in the dest message
* copies the Origin-Realm AVP from the src message in a Destination-Realm AVP in the dest message
*
*/
int dup_routing_avps(AAAMessage* src, AAAMessage *dest) {
AAA_AVP * avp;
str dest_realm;
if (!src)
return 1;
/* Removed By Jason to facilitate use of Diameter clustering (MUX) in SLEE architecture (Realm-routing only) - TODO - check spec */
/*avp = AAAFindMatchingAVP(src,src->avpList.head,AVP_Origin_Host,0,AAA_FORWARD_SEARCH);
if(avp && avp->data.s && avp->data.len) {
LM_DBG("dup_routing_avps: Origin Host AVP present, duplicating %.*s\n",
avp->data.len, avp->data.s);
dest_host = avp->data;
avp = AAACreateAVP(AVP_Destination_Host,AAA_AVP_FLAG_MANDATORY,0,
dest_host.s,dest_host.len,AVP_DUPLICATE_DATA);
if (!avp) {
LM_ERR("dup_routing_avps: Failed creating Destination Host avp\n");
goto error;
}
if (AAAAddAVPToMessage(dest,avp,dest->avpList.tail)!=AAA_ERR_SUCCESS) {
LM_ERR("dup_routing_avps: Failed adding Destination Host avp to message\n");
AAAFreeAVP(&avp);
goto error;
}
}*/
avp = AAAFindMatchingAVP(src, src->avpList.head, AVP_Origin_Realm, 0, AAA_FORWARD_SEARCH);
if (avp && avp->data.s && avp->data.len) {
LM_DBG("dup_routing_avps: Origin Realm AVP present, duplicating %.*s\n",
avp->data.len, avp->data.s);
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("dup_routing_avps: Failed creating Destination Host avp\n");
goto error;
}
if (AAAAddAVPToMessage(dest, avp, dest->avpList.tail) != AAA_ERR_SUCCESS) {
LM_ERR("dup_routing_avps: Failed adding Destination Host avp to message\n");
AAAFreeAVP(&avp);
goto error;
}
}
return 1;
error:
return 0;
}
/**
* Frees a AVP List and all the members
* @param avpList - list to be freed
* @returns AAA_ERR_SUCCESS
*/
AAAReturnCode AAAFreeAVPList(AAA_AVP_LIST *avpList)
{
AAA_AVP *avp_t;
AAA_AVP *avp;
/* free the avp list */
avp = avpList->head;
while (avp) {
avp_t = avp;
avp = avp->next;
/*free the avp*/
AAAFreeAVP(&avp_t);
}
avpList->head = 0;
avpList->tail = 0;
return AAA_ERR_SUCCESS;
}
/**
* Create and add an AVP to a Diameter message.
* @param m - Diameter message to add to
* @param d - the payload data
* @param len - length of the payload data
* @param avp_code - the code of the AVP
* @param flags - flags for the AVP
* @param vendorid - the value of the vendor id or 0 if none - Diameter base protocol
* @param data_do - what to do with the data when done
* @param func - the name of the calling function, for debugging purposes
* @returns 1 on success or 0 on failure
*/
static inline int Rf_add_avp(AAAMessage *m,char *d,int len,int avp_code,
int flags,int vendorid,int data_do,const char *func)
{
AAA_AVP *avp;
if (vendorid!=0) flags |= AAA_AVP_FLAG_VENDOR_SPECIFIC;
avp = AAACreateAVP(avp_code,flags,vendorid,d,len,data_do);
if (!avp) {
LOG(L_ERR,"ERR: Failed creating avp\n");
return 0;
}
if ( AAAAddAVPToMessage(m,avp,m->avpList.tail)!=AAA_ERR_SUCCESS) {
LOG(L_ERR,"ERR: Failed adding avp to message\n");
AAAFreeAVP(&avp);
return 0;
}
return 1;
}
/**
* Accounting client sends an ACR Stop and returns answer
* @param acr ACR with STOP_RECORD Accounting-Record-Type
* @param peer_fqdn FQDN of diameter peer
* @param s pointer to existing session
* @return answer (ACA) or NULL if sending failed
*/
AAAMessage* AAAAcctCliStop(AAAMessage* acr, str* peer_fqdn, AAAAcctSession *s) {
// TODO: check acr has Accounting-Record-Type with STOP_RECORD value
AAAMessage* aca = 0;
AAA_AVP *avp;
// add Session-Id AVP
avp = AAACreateAVP( 263, 0, 0, s->sID->s, s->sID->len,
AVP_DUPLICATE_DATA);
if ( !avp || AAAAddAVPToMessage(acr,avp,0)!=AAA_ERR_SUCCESS) {
LOG(L_ERR,"ERROR:AAAAcctCliEvent: cannot create/add Session-Id avp\n");
if (avp) AAAFreeAVP( &avp );
goto error;
}
acr->sessionId = avp;
acct_cli_sm_process(s, ACC_EV_STOP, acr, aca, 0);
return aca;
error:
return 0;
}
/*
* This function creates and submits diameter authentication request as per
* draft-srinivas-aaa-basic-digest-00.txt.
* Service type of the request is Authenticate-Only.
* Returns:
* 1 - success
* -1 - error
*
*/
int diameter_authorize(struct hdr_field* hdr, str* p_method, struct sip_uri uri,
struct sip_uri ruri, unsigned int m_id, rd_buf_t* rb)
{
str method, user_name;
AAAMessage *req;
AAA_AVP *avp, *position;
int name_flag, port_flag;
dig_cred_t* cred;
unsigned int tmp;
user_name.s=0; /* fixes gcc 4.0 warning */
if ( !p_method )
{
LOG(L_ERR, M_NAME":diameter_authorize(): Invalid parameter value\n");
return -1;
}
if ( (req=AAAInMessage(AA_REQUEST, AAA_APP_NASREQ))==NULL)
return -1;
if(hdr && hdr->parsed)
cred = &(((auth_body_t*)hdr->parsed)->digest);
else
cred = NULL;
method = *p_method;
if(!cred)
{
/* Username AVP */
user_name.len = uri.user.len + uri.host.len;
if(user_name.len>0)
{
user_name.len += 2;
user_name.s = (char*)ad_malloc(user_name.len*sizeof(char));
memset(user_name.s, 0, user_name.len);
memcpy(user_name.s, uri.user.s, uri.user.len);
if(uri.user.len>0)
{
memcpy(user_name.s+uri.user.len, "@", 1);
memcpy(user_name.s+uri.user.len+1, uri.host.s, uri.host.len);
}
else
memcpy(user_name.s, uri.host.s, uri.host.len);
}
if( (avp=AAACreateAVP(AVP_User_Name, 0, 0, user_name.s,
user_name.len, AVP_FREE_DATA)) == 0)
{
LOG(L_ERR,M_NAME":diameter_authorize(): no more free memory!\n");
if(user_name.len>0)
pkg_free(user_name.s);
goto error;
}
if( AAAAddAVPToMessage(req, avp, 0)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, M_NAME":diameter_authorize(): avp not added \n");
goto error1;
}
}
else /* it is a SIP message with credentials */
{
/* Add Username AVP */
if (cred->username.domain.len>0)
{
if( (avp=AAACreateAVP(AVP_User_Name, 0, 0, cred->username.whole.s,
cred->username.whole.len, AVP_DUPLICATE_DATA)) == 0)
{
LOG(L_ERR, M_NAME":diameter_authorize(): no more free "
"memory!\n");
goto error;
}
if( AAAAddAVPToMessage(req, avp, 0)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, M_NAME":diameter_authorize(): avp not added \n");
goto error1;
}
}
else
{
user_name.len = cred->username.user.len + cred->realm.len;
if(user_name.len>0)
{
user_name.s = ad_malloc(user_name.len);
if (!user_name.s)
{
LOG(L_ERR, M_NAME":diameter_authorize(): no more free "
"memory\n");
goto error;
}
memcpy(user_name.s, cred->username.whole.s,
cred->username.whole.len);
if(cred->username.whole.len>0)
{
user_name.s[cred->username.whole.len] = '@';
memcpy(user_name.s + cred->username.whole.len + 1,
cred->realm.s, cred->realm.len);
}
else
memcpy(user_name.s, cred->realm.s, cred->realm.len);
}
if( (avp=AAACreateAVP(AVP_User_Name, 0, 0, user_name.s,
user_name.len, AVP_FREE_DATA)) == 0)
{
LOG(L_ERR, M_NAME":diameter_authorize(): no more free "
"memory!\n");
if(user_name.len>0)
pkg_free(user_name.s);
goto error;
}
if( AAAAddAVPToMessage(req, avp, 0)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, M_NAME":diameter_authorize(): avp not added \n");
goto error1;
}
}
}
/* SIP_MSGID AVP */
DBG("******* m_id=%d\n", m_id);
tmp = m_id;
if( (avp=AAACreateAVP(AVP_SIP_MSGID, 0, 0, (char*)(&tmp),
sizeof(m_id), AVP_DUPLICATE_DATA)) == 0)
{
LOG(L_ERR, M_NAME":diameter_authorize(): no more free memory!\n");
goto error;
}
if( AAAAddAVPToMessage(req, avp, 0)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, M_NAME":diameter_authorize(): avp not added \n");
goto error1;
}
/* SIP Service AVP */
if( (avp=AAACreateAVP(AVP_Service_Type, 0, 0, SIP_AUTHENTICATION,
SERVICE_LEN, AVP_DUPLICATE_DATA)) == 0)
{
LOG(L_ERR, M_NAME":diameter_authorize(): no more free memory!\n");
goto error;
}
if( AAAAddAVPToMessage(req, avp, 0)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, M_NAME":diameter_authorize(): avp not added \n");
goto error1;
}
/* Destination-Realm AVP */
if( (avp=AAACreateAVP(AVP_Destination_Realm, 0, 0, uri.host.s,
uri.host.len, AVP_DUPLICATE_DATA)) == 0)
{
LOG(L_ERR, M_NAME":diameter_authorize(): no more free memory!\n");
goto error;
}
#ifdef DEBUG
DBG("Destination Realm: %.*s\n", uri.host.len, uri.host.s);
#endif
if( AAAAddAVPToMessage(req, avp, 0)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, M_NAME":diameter_authorize(): avp not added \n");
goto error1;
}
/* Resource AVP */
user_name.len = ruri.user.len + ruri.host.len + ruri.port.len + 2;
user_name.s = (char*)ad_malloc(user_name.len*sizeof(char));
memset(user_name.s, 0, user_name.len);
memcpy(user_name.s, ruri.user.s, ruri.user.len);
name_flag= 0;
if(ruri.user.s)
{
name_flag = 1;
memcpy(user_name.s+ruri.user.len, "@", 1);
}
memcpy(user_name.s+ruri.user.len+name_flag, ruri.host.s, ruri.host.len);
port_flag=0;
if(ruri.port.s)
{
port_flag = 1;
memcpy(user_name.s+ruri.user.len+ruri.host.len+1, ":", 1);
}
memcpy(user_name.s+ruri.user.len+ruri.host.len+name_flag+port_flag,
ruri.port.s, ruri.port.len);
#ifdef DEBUG
DBG(M_NAME": AVP_Resource=%.*s\n", user_name.len, user_name.s);
#endif
if( (avp=AAACreateAVP(AVP_Resource, 0, 0, user_name.s,
user_name.len, AVP_FREE_DATA)) == 0)
{
LOG(L_ERR, M_NAME":diameter_authorize(): no more free memory!\n");
if(user_name.s)
pkg_free(user_name.s);
goto error;
}
if( AAAAddAVPToMessage(req, avp, 0)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, M_NAME":diameter_authorize(): avp not added \n");
goto error1;
}
if(cred) /* it is a SIP message with credentials */
{
/* Response AVP */
if( (avp=AAACreateAVP(AVP_Response, 0, 0, hdr->body.s,
hdr->body.len, AVP_DUPLICATE_DATA)) == 0)
{
LOG(L_ERR, M_NAME":diameter_authorize(): no more free memory!\n");
goto error;
}
position = AAAGetLastAVP(&(req->avpList));
if( AAAAddAVPToMessage(req, avp, position)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, M_NAME":diameter_authorize(): avp not added \n");
goto error1;
}
/* Method AVP */
if( (avp=AAACreateAVP(AVP_Method, 0, 0, p_method->s,
p_method->len, AVP_DUPLICATE_DATA)) == 0)
{
LOG(L_ERR, M_NAME":diameter_authorize(): no more free memory!\n");
goto error;
}
position = AAAGetLastAVP(&(req->avpList));
if( AAAAddAVPToMessage(req, avp, position)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, M_NAME":diameter_authorize(): avp not added \n");
goto error1;
}
}
#ifdef DEBUG
AAAPrintMessage(req);
#endif
/* build a AAA message buffer */
if(AAABuildMsgBuffer(req) != AAA_ERR_SUCCESS)
{
LOG(L_ERR, M_NAME":diameter_authorize(): message buffer not created\n");
goto error;
}
if(sockfd==AAA_NO_CONNECTION)
{
sockfd = init_mytcp(diameter_client_host, diameter_client_port);
if(sockfd==AAA_NO_CONNECTION)
{
LOG(L_ERR, M_NAME":diameter_authorize(): failed to reconnect"
" to Diameter client\n");
goto error;
}
}
/* send the message to the DIAMETER CLIENT */
switch( tcp_send_recv(sockfd, req->buf.s, req->buf.len, rb, m_id) )
{
case AAA_ERROR: /* a transmission error occurred */
LOG(L_ERR, M_NAME":diameter_authorize(): message sending to the"
" DIAMETER backend authorization server failed\n");
goto error;
case AAA_CONN_CLOSED:
LOG(L_NOTICE, M_NAME":diameter_authorize(): connection to Diameter"
" client closed.It will be reopened by the next request\n");
close(sockfd);
sockfd = AAA_NO_CONNECTION;
goto error;
case AAA_TIMEOUT:
LOG(L_NOTICE,M_NAME":diameter_authorize(): no response received\n");
close(sockfd);
sockfd = AAA_NO_CONNECTION;
goto error;
}
AAAFreeMessage(&req);
return 1;
error1:
AAAFreeAVP(&avp);
error:
AAAFreeMessage(&req);
return -1;
}
/**
* 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;
}
int acc_diam_request( struct sip_msg *req )
{
int attr_cnt;
int cnt;
AAAMessage *send = NULL;
AAA_AVP *avp;
struct sip_uri puri;
str *uri;
int ret;
int i;
int status;
char tmp[2];
unsigned int mid;
attr_cnt = core2strar( req, val_arr, int_arr, type_arr );
/* last value is not used */
attr_cnt--;
if ( (send=AAAInMessage(ACCOUNTING_REQUEST, AAA_APP_NASREQ))==NULL) {
LM_ERR("failed to create new AAA request\n");
return -1;
}
/* AVP_ACCOUNTIG_RECORD_TYPE */
if( (status = diam_status(req, acc_env.code))<0) {
LM_ERR("status unknown\n");
goto error;
}
tmp[0] = status+'0';
tmp[1] = 0;
if( (avp=AAACreateAVP(AVP_Accounting_Record_Type, 0, 0, tmp,
1, AVP_DUPLICATE_DATA)) == 0) {
LM_ERR("failed to create AVP:no more free memory!\n");
goto error;
}
if( AAAAddAVPToMessage(send, avp, 0)!= AAA_ERR_SUCCESS) {
LM_ERR("avp not added \n");
AAAFreeAVP(&avp);
goto error;
}
/* SIP_MSGID AVP */
mid = req->id;
if( (avp=AAACreateAVP(AVP_SIP_MSGID, 0, 0, (char*)(&mid),
sizeof(mid), AVP_DUPLICATE_DATA)) == 0) {
LM_ERR("failed to create AVP:no more free memory!\n");
goto error;
}
if( AAAAddAVPToMessage(send, avp, 0)!= AAA_ERR_SUCCESS) {
LM_ERR("avp not added \n");
AAAFreeAVP(&avp);
goto error;
}
/* SIP Service AVP */
if( (avp=AAACreateAVP(AVP_Service_Type, 0, 0, SIP_ACCOUNTING,
SERVICE_LEN, AVP_DUPLICATE_DATA)) == 0) {
LM_ERR("failed to create AVP:no more free memory!\n");
goto error;
}
if( AAAAddAVPToMessage(send, avp, 0)!= AAA_ERR_SUCCESS) {
LM_ERR("avp not added \n");
AAAFreeAVP(&avp);
goto error;
}
/* also the extra attributes */
attr_cnt += extra2strar( dia_extra, req, val_arr, int_arr, type_arr);
/* add attributes */
for(i=0; i<attr_cnt; i++) {
if((avp=AAACreateAVP(diam_attrs[i], 0,0, val_arr[i].s, val_arr[i].len,
AVP_DUPLICATE_DATA)) == 0) {
LM_ERR("failed to create AVP: no more free memory!\n");
goto error;
}
if( AAAAddAVPToMessage(send, avp, 0)!= AAA_ERR_SUCCESS) {
LM_ERR("avp not added \n");
AAAFreeAVP(&avp);
goto error;
}
}
/* and the leg attributes */
if ( leg_info ) {
cnt = legs2strar(leg_info,req,val_arr,int_arr,type_arr,1);
do {
for (i=0; i<cnt; i++) {
if((avp=AAACreateAVP(diam_attrs[attr_cnt+i], 0, 0,
val_arr[i].s, val_arr[i].len, AVP_DUPLICATE_DATA)) == 0) {
LM_ERR("failed to create AVP: no more free memory!\n");
goto error;
}
if( AAAAddAVPToMessage(send, avp, 0)!= AAA_ERR_SUCCESS) {
LM_ERR("avp not added \n");
AAAFreeAVP(&avp);
goto error;
}
}
} while ( (cnt=legs2strar(leg_info,req,val_arr,int_arr,
type_arr,0))!=0 );
}
if (get_uri(req, &uri) < 0) {
LM_ERR("failed to get uri, From/To URI not found\n");
goto error;
}
if (parse_uri(uri->s, uri->len, &puri) < 0) {
LM_ERR("failed to parse From/To URI\n");
goto error;
}
/* Destination-Realm AVP */
if( (avp=AAACreateAVP(AVP_Destination_Realm, 0, 0, puri.host.s,
puri.host.len, AVP_DUPLICATE_DATA)) == 0) {
LM_ERR("failed to create AVP:no more free memory!\n");
goto error;
}
if( AAAAddAVPToMessage(send, avp, 0)!= AAA_ERR_SUCCESS) {
LM_ERR("avp not added \n");
AAAFreeAVP(&avp);
goto error;
}
/* prepare the message to be sent over the network */
if(AAABuildMsgBuffer(send) != AAA_ERR_SUCCESS) {
LM_ERR("message buffer not created\n");
goto error;
}
if(sockfd==AAA_NO_CONNECTION) {
sockfd = init_mytcp(diameter_client_host, diameter_client_port);
if(sockfd==AAA_NO_CONNECTION) {
LM_ERR("failed to reconnect to Diameter client\n");
goto error;
}
}
/* send the message to the DIAMETER client */
ret = tcp_send_recv(sockfd, send->buf.s, send->buf.len, rb, req->id);
if(ret == AAA_CONN_CLOSED) {
LM_NOTICE("connection to Diameter client closed.It will be "
"reopened by the next request\n");
close(sockfd);
sockfd = AAA_NO_CONNECTION;
goto error;
}
if(ret != ACC_SUCCESS) {
/* a transmission error occurred */
LM_ERR("message sending to the DIAMETER backend authorization "
"server failed\n");
goto error;
}
AAAFreeMessage(&send);
return 1;
error:
AAAFreeMessage(&send);
return -1;
}
int acc_diam_request( struct sip_msg *rq, struct hdr_field *to, str *phrase )
{
str* val_arr[ALL_LOG_FMT_LEN+1];
str atr_arr[ALL_LOG_FMT_LEN+1];
int attr_cnt;
AAAMessage *send = NULL;
AAA_AVP *avp;
int i;
int dummy_len;
str* user;
str* realm;
str user_name;
str value;
str *uri;
struct sip_uri puri;
struct to_body* from;
int ret, free_user_name;
int status;
char tmp[2];
unsigned int mid;
if (skip_cancel(rq)) return 1;
attr_cnt=fmt2strar( DIAM_ACC_FMT, rq, to, phrase,
&dummy_len, &dummy_len, val_arr, atr_arr);
if (attr_cnt!=(sizeof(DIAM_ACC_FMT)-1))
{
LOG(L_ERR, "ERROR: acc_diam_request: fmt2strar failed\n");
return -1;
}
if ( (send=AAAInMessage(ACCOUNTING_REQUEST, AAA_APP_NASREQ))==NULL)
{
LOG(L_ERR, "ERROR: acc_diam_request: new AAA message not created\n");
return -1;
}
/* AVP_ACCOUNTIG_RECORD_TYPE */
if( (status = diam_status(rq, phrase))<0)
{
LOG(L_ERR, "ERROR: acc_diam_request: status unknown\n");
goto error;
}
tmp[0] = status+'0';
tmp[1] = 0;
if( (avp=AAACreateAVP(AVP_Accounting_Record_Type, 0, 0, tmp,
1, AVP_DUPLICATE_DATA)) == 0)
{
LOG(L_ERR,"ERROR: acc_diam_request: no more free memory!\n");
goto error;
}
if( AAAAddAVPToMessage(send, avp, 0)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, "ERROR: acc_diam_request: avp not added \n");
AAAFreeAVP(&avp);
goto error;
}
/* SIP_MSGID AVP */
DBG("**ACC***** m_id=%d\n", rq->id);
mid = rq->id;
if( (avp=AAACreateAVP(AVP_SIP_MSGID, 0, 0, (char*)(&mid),
sizeof(mid), AVP_DUPLICATE_DATA)) == 0)
{
LOG(L_ERR, M_NAME":diameter_authorize(): no more free memory!\n");
goto error;
}
if( AAAAddAVPToMessage(send, avp, 0)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, M_NAME":diameter_authorize(): avp not added \n");
AAAFreeAVP(&avp);
goto error;
}
/* SIP Service AVP */
if( (avp=AAACreateAVP(AVP_Service_Type, 0, 0, SIP_ACCOUNTING,
SERVICE_LEN, AVP_DUPLICATE_DATA)) == 0)
{
LOG(L_ERR,"ERROR: acc_diam_request: no more free memory!\n");
goto error;
}
if( AAAAddAVPToMessage(send, avp, 0)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, "ERROR: acc_diam_request: avp not added \n");
AAAFreeAVP(&avp);
goto error;
}
/* SIP_STATUS avp */
if( (avp=AAACreateAVP(AVP_SIP_STATUS, 0, 0, phrase->s,
phrase->len, AVP_DUPLICATE_DATA)) == 0)
{
LOG(L_ERR,"ERROR: acc_diam_request: no more free memory!\n");
goto error;
}
if( AAAAddAVPToMessage(send, avp, 0)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, "ERROR: acc_diam_request: avp not added \n");
AAAFreeAVP(&avp);
goto error;
}
/* SIP_METHOD avp */
value = rq->first_line.u.request.method;
if( (avp=AAACreateAVP(AVP_SIP_METHOD, 0, 0, value.s,
value.len, AVP_DUPLICATE_DATA)) == 0)
{
LOG(L_ERR,"ERROR: acc_diam_request: no more free memory!\n");
goto error;
}
if( AAAAddAVPToMessage(send, avp, 0)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, "ERROR: acc_diam_request: avp not added \n");
AAAFreeAVP(&avp);
goto error;
}
/* Handle AVP_USER_NAME as a special case */
free_user_name = 0;
user=cred_user(rq); /* try to take it from credentials */
if (user)
{
realm = cred_realm(rq);
if (realm)
{
user_name.len = user->len+1+realm->len;
user_name.s = pkg_malloc(user_name.len);
if (!user_name.s)
{
LOG(L_ERR, "ERROR: acc_diam_request: no memory\n");
goto error;
}
memcpy(user_name.s, user->s, user->len);
user_name.s[user->len] = '@';
memcpy(user_name.s+user->len+1, realm->s, realm->len);
free_user_name = 1;
}
else
{
user_name.len = user->len;
user_name.s = user->s;
}
}
else
{ /* from from uri */
if (rq->from && (from=get_from(rq)) && from->uri.len)
{
if (parse_uri(from->uri.s, from->uri.len, &puri) < 0 )
{
LOG(L_ERR, "ERROR: acc_diam_request: Bad From URI\n");
goto error;
}
user_name.len = puri.user.len+1+puri.host.len;
user_name.s = pkg_malloc(user_name.len);
if (!user_name.s) {
LOG(L_ERR, "ERROR: acc_diam_request: no memory\n");
goto error;
}
memcpy(user_name.s, puri.user.s, puri.user.len);
user_name.s[puri.user.len] = '@';
memcpy(user_name.s+puri.user.len+1, puri.host.s, puri.host.len);
free_user_name = 1;
}
else
{
user_name.len = na.len;
user_name.s = na.s;
}
}
if( (avp=AAACreateAVP(AVP_User_Name, 0, 0, user_name.s, user_name.len,
free_user_name?AVP_FREE_DATA:AVP_DUPLICATE_DATA)) == 0)
{
LOG(L_ERR,"ERROR: acc_diam_request: no more free memory!\n");
if(free_user_name)
pkg_free(user_name.s);
goto error;
}
if( AAAAddAVPToMessage(send, avp, 0)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, "ERROR: acc_diam_request: avp not added \n");
AAAFreeAVP(&avp);
goto error;
}
/* Remaining attributes from diam_attr vector */
for(i=0; i<attr_cnt; i++)
{
if((avp=AAACreateAVP(diam_attr[i], 0,0, val_arr[i]->s, val_arr[i]->len,
AVP_DUPLICATE_DATA)) == 0)
{
LOG(L_ERR,"ERROR: acc_diam_request: no more free memory!\n");
goto error;
}
if( AAAAddAVPToMessage(send, avp, 0)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, "ERROR: acc_diam_request: avp not added \n");
AAAFreeAVP(&avp);
goto error;
}
}
if (get_uri(rq, &uri) < 0)
{
LOG(L_ERR, "ERROR: acc_diam_request: From/To URI not found\n");
goto error;
}
if (parse_uri(uri->s, uri->len, &puri) < 0)
{
LOG(L_ERR, "ERROR: acc_diam_request: Error parsing From/To URI\n");
goto error;
}
/* Destination-Realm AVP */
if( (avp=AAACreateAVP(AVP_Destination_Realm, 0, 0, puri.host.s,
puri.host.len, AVP_DUPLICATE_DATA)) == 0)
{
LOG(L_ERR,"acc_diam_request: no more free memory!\n");
goto error;
}
if( AAAAddAVPToMessage(send, avp, 0)!= AAA_ERR_SUCCESS)
{
LOG(L_ERR, "acc_diam_request: avp not added \n");
AAAFreeAVP(&avp);
goto error;
}
/* prepare the message to be sent over the network */
if(AAABuildMsgBuffer(send) != AAA_ERR_SUCCESS)
{
LOG(L_ERR, "ERROR: acc_diam_request: message buffer not created\n");
goto error;
}
if(sockfd==AAA_NO_CONNECTION)
{
sockfd = init_mytcp(diameter_client_host, diameter_client_port);
if(sockfd==AAA_NO_CONNECTION)
{
LOG(L_ERR, M_NAME":acc_diam_request: failed to reconnect"
" to Diameter client\n");
goto error;
}
}
/* send the message to the DIAMETER client */
ret = tcp_send_recv(sockfd, send->buf.s, send->buf.len, rb, rq->id);
if(ret == AAA_CONN_CLOSED)
{
LOG(L_NOTICE, M_NAME":acc_diam_request: connection to Diameter"
" client closed.It will be reopened by the next request\n");
close(sockfd);
sockfd = AAA_NO_CONNECTION;
goto error;
}
if(ret != ACC_SUCCESS) /* a transmission error occurred */
{
LOG(L_ERR, M_NAME":acc_diam_request: message sending to the"
" DIAMETER backend authorization server failed\n");
goto error;
}
AAAFreeMessage(&send);
return 1;
error:
AAAFreeMessage(&send);
return -1;
}
/* it checks if a user is member of a group */
int diameter_is_user_in(struct sip_msg* _m, char* _hf, char* _group)
{
str *grp, user_name, user, domain, uri;
dig_cred_t* cred = 0;
int hf_type;
struct hdr_field* h;
struct sip_uri puri;
AAAMessage *req;
AAA_AVP *avp;
int ret;
unsigned int tmp;
grp = (str*)_group; /* via fixup */
hf_type = (int)(long)_hf;
uri.s = 0;
uri.len = 0;
/* extract the uri according with the _hf parameter */
switch(hf_type)
{
case 1: /* Request-URI */
uri = *(GET_RURI(_m));
break;
case 2: /* To */
if (get_to_uri(_m, &uri) < 0)
{
LM_ERR("failed to extract To\n");
return -2;
}
break;
case 3: /* From */
if (get_from_uri(_m, &uri) < 0)
{
LM_ERR("failed to extract From URI\n");
return -3;
}
break;
case 4: /* Credentials */
get_authorized_cred(_m->authorization, &h);
if (!h)
{
get_authorized_cred(_m->proxy_auth, &h);
if (!h)
{
LM_ERR("no authorized credentials found "
"(error in scripts)\n");
return -4;
}
}
cred = &((auth_body_t*)(h->parsed))->digest;
break;
}
if (hf_type != 4)
{
if (parse_uri(uri.s, uri.len, &puri) < 0)
{
LM_ERR("failed to parse URI\n");
return -5;
}
user = puri.user;
domain = puri.host;
}
else
{
user = cred->username.user;
domain = cred->realm;
}
/* user@domain mode */
if (use_domain)
{
user_name.s = 0;
user_name.len = user.len + domain.len;
if(user_name.len>0)
{
user_name.len++;
user_name.s = (char*)pkg_malloc(user_name.len);
if (!user_name.s)
{
LM_ERR("no pkg memory left\n");
return -6;
}
memcpy(user_name.s, user.s, user.len);
if(user.len>0)
{
user_name.s[user.len] = '@';
memcpy(user_name.s + user.len + 1, domain.s, domain.len);
}
else
memcpy(user_name.s, domain.s, domain.len);
}
}
else
user_name = user;
if ( (req=AAAInMessage(AA_REQUEST, AAA_APP_NASREQ))==NULL)
{
LM_ERR("can't create new AAA message!\n");
return -1;
}
/* Username AVP */
if( (avp=AAACreateAVP(AVP_User_Name, 0, 0, user_name.s,
user_name.len, AVP_DUPLICATE_DATA)) == 0)
{
LM_ERR("no more pkg memory!\n");
goto error;
}
if( AAAAddAVPToMessage(req, avp, 0)!= AAA_ERR_SUCCESS)
{
LM_ERR("avp not added \n");
goto error1;
}
/* Usergroup AVP */
if( (avp=AAACreateAVP(AVP_User_Group, 0, 0, grp->s,
grp->len, AVP_DUPLICATE_DATA)) == 0)
{
LM_ERR("no more pkg memory!\n");
goto error;
}
if( AAAAddAVPToMessage(req, avp, 0)!= AAA_ERR_SUCCESS)
{
LM_ERR("avp not added \n");
goto error1;
}
/* SIP_MSGID AVP */
LM_DBG("******* m_id=%d\n", _m->id);
tmp = _m->id;
if( (avp=AAACreateAVP(AVP_SIP_MSGID, 0, 0, (char*)(&tmp),
sizeof(tmp), AVP_DUPLICATE_DATA)) == 0)
{
LM_ERR("no more pkg memory!\n");
goto error;
}
if( AAAAddAVPToMessage(req, avp, 0)!= AAA_ERR_SUCCESS)
{
LM_ERR("avp not added \n");
goto error1;
}
/* ServiceType AVP */
if( (avp=AAACreateAVP(AVP_Service_Type, 0, 0, SIP_GROUP_CHECK,
SERVICE_LEN, AVP_DUPLICATE_DATA)) == 0)
{
LM_ERR("no more pkg memory!\n");
goto error;
}
if( AAAAddAVPToMessage(req, avp, 0)!= AAA_ERR_SUCCESS)
{
LM_ERR("avp not added \n");
goto error1;
}
/* Destination-Realm AVP */
uri = *(GET_RURI(_m));
parse_uri(uri.s, uri.len, &puri);
if( (avp=AAACreateAVP(AVP_Destination_Realm, 0, 0, puri.host.s,
puri.host.len, AVP_DUPLICATE_DATA)) == 0)
{
LM_ERR("no more pkg memory!\n");
goto error;
}
if( AAAAddAVPToMessage(req, avp, 0)!= AAA_ERR_SUCCESS)
{
LM_ERR("avp not added \n");
goto error1;
}
#ifdef DEBUG
AAAPrintMessage(req);
#endif
/* build a AAA message buffer */
if(AAABuildMsgBuffer(req) != AAA_ERR_SUCCESS)
{
LM_ERR("message buffer not created\n");
goto error;
}
if(sockfd==AAA_NO_CONNECTION)
{
sockfd = init_mytcp(diameter_client_host, diameter_client_port);
if(sockfd==AAA_NO_CONNECTION)
{
LM_ERR("failed to reconnect to Diameter client\n");
goto error;
}
}
ret =tcp_send_recv(sockfd, req->buf.s, req->buf.len, rb, _m->id);
if(ret == AAA_CONN_CLOSED)
{
LM_NOTICE("connection to Diameter client closed."
"It will be reopened by the next request\n");
close(sockfd);
sockfd = AAA_NO_CONNECTION;
goto error;
}
if(ret != AAA_USER_IN_GROUP)
{
LM_ERR("message sending to the DIAMETER backend authorization server"
"failed or user is not in group\n");
goto error;
}
AAAFreeMessage(&req);
return 1;
error1:
AAAFreeAVP(&avp);
error:
AAAFreeMessage(&req);
return -1;
}
/**
* 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;
}
