vfs: perform impersonation in smb_vfs_call_getxattrat_done()

[nivanova/samba-autobuild/.git] / source3 / smbd / vfs.c

diff --git a/source3/smbd/vfs.c b/source3/smbd/vfs.c
index d31610f8ebb06a0d037b7b6c8f7f47c7aca0a6a3..d3bb9c5d63fbb93e423012e3b530a60b072dd982 100644 (file)
--- a/source3/smbd/vfs.c
+++ b/source3/smbd/vfs.c
@@ -2659,6 +2659,7 @@ ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
 
 
 struct smb_vfs_call_getxattrat_state {
+       files_struct *dir_fsp;
        ssize_t (*recv_fn)(struct tevent_req *req,
                           struct vfs_aio_state *aio_state,
                           TALLOC_CTX *mem_ctx,
@@ -2692,6 +2693,7 @@ struct tevent_req *smb_vfs_call_getxattrat_send(
        VFS_FIND(getxattrat_send);
 
        *state = (struct smb_vfs_call_getxattrat_state) {
+               .dir_fsp = dir_fsp,
                .recv_fn = handle->fns->getxattrat_recv_fn,
        };
 
@@ -2717,6 +2719,13 @@ static void smb_vfs_call_getxattrat_done(struct tevent_req *subreq)
                subreq, struct tevent_req);
        struct smb_vfs_call_getxattrat_state *state = tevent_req_data(
                req, struct smb_vfs_call_getxattrat_state);
+       bool ok;
+
+       /*
+        * Make sure we run as the user again
+        */
+       ok = change_to_user_by_fsp(state->dir_fsp);
+       SMB_ASSERT(ok);
 
        state->retval = state->recv_fn(subreq,
                                       &state->aio_state,