From: Noel Power <noel.power@suse.com>
Date: Fri, 11 Jun 2021 14:46:30 +0000 (+0100)
Subject: VFS: shadow_copy2: Add SMB_VFS_FCHFLAGS implementation
X-Git-Tag: tevent-0.11.0~126
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d8e5ffa94e9caf0a43864be6eadd36da4dec680e;p=thirdparty%2Fsamba.git

VFS: shadow_copy2: Add SMB_VFS_FCHFLAGS implementation

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

diff --git a/source3/modules/vfs_shadow_copy2.c b/source3/modules/vfs_shadow_copy2.c
index d45b76950d1..252ea3b4697 100644
--- a/source3/modules/vfs_shadow_copy2.c
+++ b/source3/modules/vfs_shadow_copy2.c
@@ -2185,6 +2185,26 @@ static int shadow_copy2_chflags(vfs_handle_struct *handle,
 	return SMB_VFS_NEXT_CHFLAGS(handle, smb_fname, flags);
 }
 
+static int shadow_copy2_fchflags(vfs_handle_struct *handle,
+				struct files_struct *fsp,
+				unsigned int flags)
+{
+	time_t timestamp = 0;
+
+	if (!shadow_copy2_strip_snapshot(talloc_tos(),
+					handle,
+					fsp->fsp_name,
+					&timestamp,
+					NULL)) {
+		return -1;
+	}
+	if (timestamp != 0) {
+		errno = EROFS;
+		return -1;
+	}
+	return SMB_VFS_NEXT_FCHFLAGS(handle, fsp, flags);
+}
+
 static ssize_t shadow_copy2_getxattr(vfs_handle_struct *handle,
 				const struct smb_filename *smb_fname,
 				const char *aname,
@@ -3205,6 +3225,7 @@ static struct vfs_fn_pointers vfs_shadow_copy2_fns = {
 	.getxattrat_recv_fn = vfs_not_implemented_getxattrat_recv,
 	.fsetxattr_fn = shadow_copy2_fsetxattr,
 	.chflags_fn = shadow_copy2_chflags,
+	.fchflags_fn = shadow_copy2_fchflags,
 	.get_real_filename_fn = shadow_copy2_get_real_filename,
 	.pwrite_fn = shadow_copy2_pwrite,
 	.pwrite_send_fn = shadow_copy2_pwrite_send,