[Task-ID: ODUHIGH-484] Support for NAS Authentication Messages

[o-du/l2.git] / src / cu_stub / cu_f1ap_msg_hdl.c

diff --git a/src/cu_stub/cu_f1ap_msg_hdl.c b/src/cu_stub/cu_f1ap_msg_hdl.c
index 6fd26b6..4f1858e 100644 (file)
--- a/src/cu_stub/cu_f1ap_msg_hdl.c
+++ b/src/cu_stub/cu_f1ap_msg_hdl.c
@@ -1519,6 +1519,28 @@ uint8_t  BuildDLRRCContainer(CuUeCb *ueCb, uint8_t rrcMsgType, RRCContainer_t *rr
          DU_LOG("\nERROR  -->  F1AP: Failed to fill DL-CCCH Msg at RRC SETUP");
    }
    else if(rrcMsgType == RRC_SETUP_COMPLETE)
+   {
+      DU_LOG("\nINFO --> F1AP : Sending NAS Authentication Request");
+      char authReqBuf[51] = {0x00, ueCb->pdcpSn++, 0x2a, 0x85, 0x4f, 0xc0, 0x0a, 0xc0, 0x40, 0x40, 0x00, 0x04, 0x2f, 0x58, 0x39, 0x12,\
+                             0x37, 0x15, 0x74, 0x16, 0x4c, 0x8d, 0xd3, 0x95, 0xa6, 0x9e, 0x94, 0x03, 0x24, 0x02, 0x00, 0x6f,\
+                             0x0b, 0x39, 0x5e, 0xbc, 0xb0, 0x00, 0x1a, 0xb1, 0xc1, 0x3f, 0x84, 0x4f, 0x77, 0xe3, 0x20, 0x00,\
+                             0x00, 0x00, 0x00};
+      bufLen = 51;
+      rrcContainer->size = bufLen;
+      CU_ALLOC(rrcContainer->buf, rrcContainer->size);
+      if(rrcContainer->buf != NULLP)
+      {
+         memset(rrcContainer->buf, 0, bufLen); 
+         memcpy(rrcContainer->buf, authReqBuf, bufLen);
+      }
+      else
+      {
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation failure for RRC Container buffer");
+         ret = RFAILED;
+
+      }     
+   }
+   else if(rrcMsgType == NAS_AUTHENTICATION_RSP)
    {
       DU_LOG("\nINFO --> F1AP : Sending NAS Security mode command");
       char secModeBuf[30]={0x00, ueCb->pdcpSn++, 0x2e, 0x82, 0xaf, 0xc0, 0x7d, 0x1c, 0x4e, 0xfc, 0x80, 0x0f, 0xc0, 
@@ -1807,6 +1829,9 @@ uint8_t setDlRRCMsgType(CuUeCb *ueCb)
       case RRC_SETUP_COMPLETE:
          rrcMsgType = RRC_SETUP_COMPLETE;
          break;
+      case NAS_AUTHENTICATION_RSP:
+         rrcMsgType = NAS_AUTHENTICATION_RSP;
+         break;
       case NAS_SECURITY_MODE_COMPLETE:
          rrcMsgType = NAS_SECURITY_MODE_COMPLETE;
          break;
@@ -9829,22 +9854,7 @@ uint8_t procUlRrcMsg(uint32_t duId, F1AP_PDU_t *f1apMsg)
       ueCb = &duDb->ueCb[duUeF1apId-1];
       ueCb->f1apMsgDb.dlRrcMsgCount++;
       rrcMsgType = setDlRRCMsgType(ueCb);
-      if(rrcMsgType == RRC_SETUP_COMPLETE)
-      {
-         DU_LOG("\nINFO  -->  F1AP: Sending DL RRC MSG for NAS Security Mode Command");
-         ret = BuildAndSendDLRRCMessageTransfer(duId, ueCb, srbId, rrcMsgType);
-      }
-      if(rrcMsgType == NAS_SECURITY_MODE_COMPLETE)
-      {
-         DU_LOG("\nINFO  -->  F1AP: Sending DL RRC MSG for RRC Security Mode Command"); 
-         ret = BuildAndSendDLRRCMessageTransfer(duId, ueCb, srbId, rrcMsgType);
-      }
-      else if(rrcMsgType == RRC_SECURITY_MODE_COMPLETE)
-      {
-         DU_LOG("\nINFO  -->  F1AP: Sending DL RRC MSG for RRC Registration Accept");
-         BuildAndSendDLRRCMessageTransfer(duId, ueCb, srbId, rrcMsgType);
-      }
-      else if(rrcMsgType == REGISTRATION_COMPLETE)
+      if(rrcMsgType == REGISTRATION_COMPLETE)
       {
          DU_LOG("\nINFO  -->  F1AP: Sending Ue Context Setup Request"); 
          ret = BuildAndSendUeContextSetupReq(duId, ueCb);
@@ -9854,6 +9864,11 @@ uint8_t procUlRrcMsg(uint32_t duId, F1AP_PDU_t *f1apMsg)
          DU_LOG("\nINFO  -->  F1AP: Sending UE Context Modification Request");
          BuildAndSendUeContextModificationReq(duId, ueCb, RRC_RECONFIG_COMPLETE_IND);
       }
+      else
+      {
+         /* In case rrcMsgType is RRC_SETUP_COMPLETE / NAS_AUTHENTICATION_RSP / NAS_SECURITY_MODE_COMPLETE / RRC_SECURITY_MODE_COMPLETE */
+         BuildAndSendDLRRCMessageTransfer(duId, ueCb, srbId, rrcMsgType);
+      }
    }
    return ret;
 }