Properly close token in sspi authentication

mhagander · mhagander · commit 6a61d1ff9dce · 2016-01-14T13:06:03.000+01:00
We can never leak more than one token, but we shouldn't do that. We
don't bother closing it in the error paths since the process will
exit shortly anyway.

Christian Ullrich
diff --git a/src/backend/libpq/auth.c b/src/backend/libpq/auth.c
@@ -1253,6 +1253,8 @@ pg_SSPI_recvauth(Port *port)
 				(errmsg_internal("could not get user token: error code %lu",
 								 GetLastError())));
 
+	CloseHandle(token);
+
 	if (!LookupAccountSid(NULL, tokenuser->User.Sid, accountname, &accountnamesize,
 						  domainname, &domainnamesize, &accountnameuse))
 		ereport(ERROR,
