From: Jeremy Allison <jra@samba.org>
Date: Wed, 20 Jan 2021 19:59:16 +0000 (-0800)
Subject: VFS: shadow_copy2: Fixup shadow_copy2_mknodat() to correctly use the dirfsp path.
X-Git-Tag: tevent-0.11.0~2033
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2f74056a916aef9925cae76016378b993560e22b;p=thirdparty%2Fsamba.git

VFS: shadow_copy2: Fixup shadow_copy2_mknodat() to correctly use the dirfsp path.

Missed in my original fixes.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Böhme <slow@samba.org>
---

diff --git a/source3/modules/vfs_shadow_copy2.c b/source3/modules/vfs_shadow_copy2.c
index 227ac148260..174f246bdad 100644
--- a/source3/modules/vfs_shadow_copy2.c
+++ b/source3/modules/vfs_shadow_copy2.c
@@ -1625,13 +1625,23 @@ static int shadow_copy2_mknodat(vfs_handle_struct *handle,
 			mode_t mode,
 			SMB_DEV_T dev)
 {
+	struct smb_filename *full_fname = NULL;
 	time_t timestamp = 0;
 
+	full_fname = full_path_from_dirfsp_atname(talloc_tos(),
+						dirfsp,
+						smb_fname);
+	if (full_fname == NULL) {
+		return -1;
+	}
+
 	if (!shadow_copy2_strip_snapshot(talloc_tos(), handle,
-					 smb_fname,
+					 full_fname,
 					 &timestamp, NULL)) {
+		TALLOC_FREE(full_fname);
 		return -1;
 	}
+	TALLOC_FREE(full_fname);
 	if (timestamp != 0) {
 		errno = EROFS;
 		return -1;