Windows: memory leak when setting tokens via smb

The SID string of the RPC used to set the token sessionKey
was being leaked.  Be sure to free it when it is no longer
required.

Change-Id: I28261643680d608d5c8805e095650a751193ab6d
Reviewed-on: http://gerrit.openafs.org/6244
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@secure-endpoints.com>
Tested-by: Jeffrey Altman <jaltman@secure-endpoints.com>

diff --git a/src/WINNT/afsd/smb_ioctl.c b/src/WINNT/afsd/smb_ioctl.c
index 0c6313a..c431374 100644 (file)
--- a/src/WINNT/afsd/smb_ioctl.c
+++ b/src/WINNT/afsd/smb_ioctl.c
@@ -1091,11 +1091,14 @@ smb_IoctlSetToken(struct smb_ioctl *ioctlp, struct cm_user *userp, afs_uint32 pf
             goto done;
         }
 
-        if (!(pflags & AFSCALL_FLAG_LOCAL_SYSTEM) && rpc_sid) {
-            osi_Log1(smb_logp,"smb_IoctlSetToken Rpc Sid [%S]",
-                     osi_LogSaveClientString(smb_logp, rpc_sid));
-            if (!cm_ClientStrCmp(NTSID_LOCAL_SYSTEM, rpc_sid))
-                pflags |= AFSCALL_FLAG_LOCAL_SYSTEM;
+        if (rpc_sid) {
+            if (!(pflags & AFSCALL_FLAG_LOCAL_SYSTEM)) {
+                osi_Log1(smb_logp,"smb_IoctlSetToken Rpc Sid [%S]",
+                         osi_LogSaveClientString(smb_logp, rpc_sid));
+                if (!cm_ClientStrCmp(NTSID_LOCAL_SYSTEM, rpc_sid))
+                    pflags |= AFSCALL_FLAG_LOCAL_SYSTEM;
+            }
+            LocalFree(rpc_sid);
         }
 
         if (!(pflags & AFSCALL_FLAG_LOCAL_SYSTEM) && (flags & PIOCTL_LOGON)) {