From: Noel Power <noel.power@suse.com>
Date: Fri, 9 Apr 2021 13:49:15 +0000 (+0200)
Subject: s3/modules: VFS: ceph_snapshots: Add new fchmod_fn implementation
X-Git-Tag: tevent-0.11.0~1223
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c1e9aea0da1f1f0ad40e5089d92a76c29f51ceee;p=thirdparty%2Fsamba.git

s3/modules: VFS: ceph_snapshots: Add new fchmod_fn implementation

Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Ralph Boehme <slow@samba.org>
---

diff --git a/source3/modules/vfs_ceph_snapshots.c b/source3/modules/vfs_ceph_snapshots.c
index 7b2307b19ee..0e72aae574a 100644
--- a/source3/modules/vfs_ceph_snapshots.c
+++ b/source3/modules/vfs_ceph_snapshots.c
@@ -960,6 +960,29 @@ static int ceph_snap_gmt_chmod(vfs_handle_struct *handle,
 	return SMB_VFS_NEXT_CHMOD(handle, csmb_fname, mode);
 }
 
+static int ceph_snap_gmt_fchmod(vfs_handle_struct *handle,
+				struct files_struct *fsp,
+				mode_t mode)
+{
+	const struct smb_filename *csmb_fname = NULL;
+	time_t timestamp = 0;
+	int ret;
+
+	csmb_fname = fsp->fsp_name;
+	ret = ceph_snap_gmt_strip_snapshot(handle,
+					csmb_fname,
+					&timestamp, NULL, 0);
+	if (ret < 0) {
+		errno = -ret;
+		return -1;
+	}
+	if (timestamp != 0) {
+		errno = EROFS;
+		return -1;
+	}
+	return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
+}
+
 static int ceph_snap_gmt_chdir(vfs_handle_struct *handle,
 			const struct smb_filename *csmb_fname)
 {
@@ -1461,6 +1484,7 @@ static struct vfs_fn_pointers ceph_snap_fns = {
 	.openat_fn = ceph_snap_gmt_openat,
 	.unlinkat_fn = ceph_snap_gmt_unlinkat,
 	.chmod_fn = ceph_snap_gmt_chmod,
+	.fchmod_fn = ceph_snap_gmt_fchmod,
 	.chdir_fn = ceph_snap_gmt_chdir,
 	.ntimes_fn = ceph_snap_gmt_ntimes,
 	.readlinkat_fn = ceph_snap_gmt_readlinkat,