From: Jeremy Allison <jra@samba.org>
Date: Thu, 11 Feb 2021 19:02:28 +0000 (-0800)
Subject: s3: VFS: glusterfs: Fix vfs_gluster_readlinkat() to cope with real directory fsps.
X-Git-Tag: tevent-0.11.0~1758
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2786a564e6afcc678347b616ab2ab0a8cca58d18;p=thirdparty%2Fsamba.git

s3: VFS: glusterfs: Fix vfs_gluster_readlinkat() to cope with real directory fsps.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Noel Power <noel.power@suse.com>
---

diff --git a/source3/modules/vfs_glusterfs.c b/source3/modules/vfs_glusterfs.c
index b1fd2a7f098..af0ce70e1e8 100644
--- a/source3/modules/vfs_glusterfs.c
+++ b/source3/modules/vfs_glusterfs.c
@@ -1876,11 +1876,23 @@ static int vfs_gluster_readlinkat(struct vfs_handle_struct *handle,
 				char *buf,
 				size_t bufsiz)
 {
+	struct smb_filename *full_fname = NULL;
 	int ret;
 
 	START_PROFILE(syscall_readlinkat);
-	SMB_ASSERT(dirfsp == dirfsp->conn->cwd_fsp);
-	ret = glfs_readlink(handle->data, smb_fname->base_name, buf, bufsiz);
+
+	full_fname = full_path_from_dirfsp_atname(talloc_tos(),
+						dirfsp,
+						smb_fname);
+	if (full_fname == NULL) {
+		END_PROFILE(syscall_readlinkat);
+		return -1;
+	}
+
+	ret = glfs_readlink(handle->data, full_fname->base_name, buf, bufsiz);
+
+	TALLOC_FREE(full_fname);
+
 	END_PROFILE(syscall_readlinkat);
 
 	return ret;