s3:vfs: Correctly check if OFD locks should be enabled or not

[kai/samba-autobuild/.git] / source3 / lib / util.c

diff --git a/source3/lib/util.c b/source3/lib/util.c
index a3fe7c8aea2373b56c5cc245828c2c155838f0e7..7530ea6797301e474e54b496b79dc66640f1b8c6 100644 (file)
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -453,6 +453,13 @@ NTSTATUS reinit_after_fork(struct messaging_context *msg_ctx,
        NTSTATUS status = NT_STATUS_OK;
        int ret;
 
+       /*
+        * The main process thread should never
+        * allow per_thread_cwd_enable() to be
+        * called.
+        */
+       per_thread_cwd_disable();
+
        if (reinit_after_fork_pipe[1] != -1) {
                close(reinit_after_fork_pipe[1]);
                reinit_after_fork_pipe[1] = -1;
@@ -1072,7 +1079,7 @@ bool fcntl_getlock(int fd, int op, off_t *poffset, off_t *pcount, int *ptype, pi
 }
 
 #if defined(HAVE_OFD_LOCKS)
-int map_process_lock_to_ofd_lock(int op, bool *use_ofd_locks)
+int map_process_lock_to_ofd_lock(int op)
 {
        switch (op) {
        case F_GETLK:
@@ -1088,16 +1095,13 @@ int map_process_lock_to_ofd_lock(int op, bool *use_ofd_locks)
                op = F_OFD_SETLKW;
                break;
        default:
-               *use_ofd_locks = false;
                return -1;
        }
-       *use_ofd_locks = true;
        return op;
 }
 #else /* HAVE_OFD_LOCKS */
-int map_process_lock_to_ofd_lock(int op, bool *use_ofd_locks)
+int map_process_lock_to_ofd_lock(int op)
 {
-       *use_ofd_locks = false;
        return op;
 }
 #endif /* HAVE_OFD_LOCKS */
@@ -2143,6 +2147,32 @@ struct security_unix_token *copy_unix_token(TALLOC_CTX *ctx, const struct securi
        return cpy;
 }
 
+/****************************************************************************
+ Return a root token
+****************************************************************************/
+
+struct security_unix_token *root_unix_token(TALLOC_CTX *mem_ctx)
+{
+       struct security_unix_token *t = NULL;
+
+       t = talloc_zero(mem_ctx, struct security_unix_token);
+       if (t == NULL) {
+               return NULL;
+       }
+
+       /*
+        * This is not needed, but lets make it explicit, not implicit.
+        */
+       *t = (struct security_unix_token) {
+               .uid = 0,
+               .gid = 0,
+               .ngroups = 0,
+               .groups = NULL
+       };
+
+       return t;
+}
+
 /****************************************************************************
  Check that a file matches a particular file type.
 ****************************************************************************/