Correction to work with gatekeeper which don't send GK ID

Don't use GK ID if it's not presented in GK replies
Extract GK ID not only in GK confirm but in GK register confirm also

(issue #18401)
Reported by: MrHanMan
Patches:
      no-gkid-2.patch uploaded by may213 (license 454)
Tested by: may213, MrHanMan


git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.8@298099 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 57 insertions, 31 deletions

diff --git a/addons/ooh323c/src/ooGkClient.c b/addons/ooh323c/src/ooGkClient.c
index efbf98385..3dce5eb59 100644
--- a/addons/ooh323c/src/ooGkClient.c
+++ b/addons/ooh323c/src/ooGkClient.c
@@ -823,10 +823,9 @@ int ooGkClientHandleGatekeeperConfirm
              sizeof(ASN116BITCHAR)* pGkClient->gkId.nchars);
    }
    else{
-      OOTRACEERR1("ERROR:No Gatekeeper ID present in received GKConfirmed "
+      OOTRACEINFO1("ERROR:No Gatekeeper ID present in received GKConfirmed "
                   "message\n");
-      OOTRACEINFO1("Ignoring message and will retransmit GRQ after timeout\n");
-      return OO_FAILED;
+      pGkClient->gkId.nchars = 0;
    }
    
    /* Extract Gatekeeper's RAS address */
@@ -1018,21 +1017,23 @@ int ooGkClientSendRRQ(ooGkClient *pGkClient, ASN1BOOL keepAlive)
      return OO_FAILED;
    }
    
-   pRegReq->m.gatekeeperIdentifierPresent=TRUE;
-   pRegReq->gatekeeperIdentifier.nchars = pGkClient->gkId.nchars;
-   pRegReq->gatekeeperIdentifier.data = (ASN116BITCHAR*)memAlloc
+   if (pGkClient->gkId.nchars) {
+    pRegReq->m.gatekeeperIdentifierPresent=TRUE;
+    pRegReq->gatekeeperIdentifier.nchars = pGkClient->gkId.nchars;
+    pRegReq->gatekeeperIdentifier.data = (ASN116BITCHAR*)memAlloc
                          (pctxt, pGkClient->gkId.nchars*sizeof(ASN116BITCHAR));
-   if(!pRegReq->gatekeeperIdentifier.data)
-   {
+    if(!pRegReq->gatekeeperIdentifier.data)
+    {
       OOTRACEERR1("Error: Failed to allocate memory for GKIdentifier in RRQ "
                    "message.\n");
       memReset(pctxt);
       pGkClient->state = GkClientFailed;
       ast_mutex_unlock(&pGkClient->Lock);
       return OO_FAILED;
-   }
-   memcpy(pRegReq->gatekeeperIdentifier.data, pGkClient->gkId.data, 
+    }
+    memcpy(pRegReq->gatekeeperIdentifier.data, pGkClient->gkId.data, 
                                 pGkClient->gkId.nchars*sizeof(ASN116BITCHAR));
+   }
    
    ooGkClientFillVendor(pGkClient, &pRegReq->endpointVendor);
    
@@ -1149,7 +1150,26 @@ int ooGkClientHandleRegistrationConfirm
    memcpy(pGkClient->endpointId.data, 
           pRegistrationConfirm->endpointIdentifier.data,
           sizeof(ASN116BITCHAR)*pGkClient->endpointId.nchars);
+
+   /* Extract GK Identifier */
    
+   if(pRegistrationConfirm->m.gatekeeperIdentifierPresent && pGkClient->gkId.nchars == 0)
+   {
+      pGkClient->gkId.nchars = pRegistrationConfirm->gatekeeperIdentifier.nchars;
+      pGkClient->gkId.data = (ASN116BITCHAR*)memAlloc(&pGkClient->ctxt,
+                              sizeof(ASN116BITCHAR)*pGkClient->gkId.nchars);
+      if(!pGkClient->gkId.data)
+      {
+         OOTRACEERR1("Error:Failed to allocate memory for GK ID data\n");
+         pGkClient->state = GkClientFailed;
+         return OO_FAILED;
+      }
+
+      memcpy(pGkClient->gkId.data, 
+             pRegistrationConfirm->gatekeeperIdentifier.data,
+             sizeof(ASN116BITCHAR)* pGkClient->gkId.nchars);
+   }
+
    /* Extract CallSignalling Address */
    for(i=0; i<(int)pRegistrationConfirm->callSignalAddress.count; i++)
    {
@@ -1437,21 +1457,23 @@ int ooGkClientSendURQ(ooGkClient *pGkClient, ooAliases *aliases)
           sizeof(ASN116BITCHAR)*pGkClient->endpointId.nchars);
 
    /* Populate gatekeeper identifier */
-   pUnregReq->m.gatekeeperIdentifierPresent = TRUE;
-   pUnregReq->gatekeeperIdentifier.nchars = pGkClient->gkId.nchars;
-   pUnregReq->gatekeeperIdentifier.data = (ASN116BITCHAR*)memAlloc(pctxt,
+   if (pGkClient->gkId.nchars) {
+    pUnregReq->m.gatekeeperIdentifierPresent = TRUE;
+    pUnregReq->gatekeeperIdentifier.nchars = pGkClient->gkId.nchars;
+    pUnregReq->gatekeeperIdentifier.data = (ASN116BITCHAR*)memAlloc(pctxt,
                                  sizeof(ASN116BITCHAR)*pGkClient->gkId.nchars);
-   if(!pUnregReq->gatekeeperIdentifier.data)
-   {
+    if(!pUnregReq->gatekeeperIdentifier.data)
+    {
       OOTRACEERR1("Error:Failed to allocate memory for GKID of URQ message\n");
       memReset(pctxt);
       pGkClient->state = GkClientFailed;
       ast_mutex_unlock(&pGkClient->Lock);
       return OO_FAILED;
-   }
-   memcpy((void*)pUnregReq->gatekeeperIdentifier.data, 
+    }
+    memcpy((void*)pUnregReq->gatekeeperIdentifier.data, 
           (void*)pGkClient->gkId.data, 
           sizeof(ASN116BITCHAR)*pGkClient->gkId.nchars);   
+   }
 
    /* Check whether specific aliases are to be unregistered*/
    if(aliases)
@@ -1766,21 +1788,23 @@ int ooGkClientSendAdmissionRequest
                                              sizeof(H225CallIdentifier));
 
    /* Populate Gatekeeper Id */
-   pAdmReq->m.gatekeeperIdentifierPresent = TRUE;
-   pAdmReq->gatekeeperIdentifier.nchars = pGkClient->gkId.nchars;
-   pAdmReq->gatekeeperIdentifier.data = (ASN116BITCHAR*)memAlloc(pctxt,
+   if (pGkClient->gkId.nchars) {
+    pAdmReq->m.gatekeeperIdentifierPresent = TRUE;
+    pAdmReq->gatekeeperIdentifier.nchars = pGkClient->gkId.nchars;
+    pAdmReq->gatekeeperIdentifier.data = (ASN116BITCHAR*)memAlloc(pctxt,
                                  sizeof(ASN116BITCHAR)*pGkClient->gkId.nchars);
-   if(!pAdmReq->gatekeeperIdentifier.data)
-   {
+    if(!pAdmReq->gatekeeperIdentifier.data)
+    {
       OOTRACEERR1("Error:Failed to allocate memory for GKID of ARQ message\n");
       memReset(pctxt);
       pGkClient->state = GkClientFailed;
       ast_mutex_unlock(&pGkClient->Lock);
       return OO_FAILED;
-   }
-   memcpy((void*)pAdmReq->gatekeeperIdentifier.data, 
+    }
+    memcpy((void*)pAdmReq->gatekeeperIdentifier.data, 
           (void*)pGkClient->gkId.data, 
           sizeof(ASN116BITCHAR)*pGkClient->gkId.nchars);
+   }
 
    pAdmReq->m.willSupplyUUIEsPresent = 1;
    pAdmReq->willSupplyUUIEs = FALSE;
@@ -2416,20 +2440,22 @@ int ooGkClientSendDisengageRequest(ooGkClient *pGkClient, OOH323CallData *call)
    pDRQ->m.callIdentifierPresent = 1;
    memcpy((void*)&pDRQ->callIdentifier, (void*)&call->callIdentifier,
                                              sizeof(H225CallIdentifier));
-   pDRQ->m.gatekeeperIdentifierPresent = 1;
-   pDRQ->gatekeeperIdentifier.nchars = pGkClient->gkId.nchars;
-   pDRQ->gatekeeperIdentifier.data = (ASN116BITCHAR*)memAlloc
+   if (pGkClient->gkId.nchars) {
+    pDRQ->m.gatekeeperIdentifierPresent = 1;
+    pDRQ->gatekeeperIdentifier.nchars = pGkClient->gkId.nchars;
+    pDRQ->gatekeeperIdentifier.data = (ASN116BITCHAR*)memAlloc
                        (pctxt, pGkClient->gkId.nchars*sizeof(ASN116BITCHAR));
-   if(!pDRQ->gatekeeperIdentifier.data)
-   {
+    if(!pDRQ->gatekeeperIdentifier.data)
+    {
       OOTRACEERR1("Error:Failed to allocate memory for GKId in DRQ.\n");
       memReset(pctxt);
       pGkClient->state = GkClientFailed;
       ast_mutex_unlock(&pGkClient->Lock);
       return OO_FAILED;
-   }
-   memcpy(pDRQ->gatekeeperIdentifier.data, pGkClient->gkId.data, 
+    }
+    memcpy(pDRQ->gatekeeperIdentifier.data, pGkClient->gkId.data, 
                                 pGkClient->gkId.nchars*sizeof(ASN116BITCHAR));
+   }
 
    pDRQ->m.terminationCausePresent = 1;
    pDRQ->terminationCause.t = T_H225CallTerminationCause_releaseCompleteCauseIE;