From: Noel Power <noel.power@suse.com>
Date: Fri, 11 Jun 2021 14:46:56 +0000 (+0100)
Subject: VFS: snapper: Add SMB_VFS_FCHFLAGS implementation
X-Git-Tag: tevent-0.11.0~125
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a346647edd2e0b9b81dc75067b584a92fcd1eb56;p=thirdparty%2Fsamba.git

VFS: snapper: 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_snapper.c b/source3/modules/vfs_snapper.c
index d475dff7663..ba27a12367c 100644
--- a/source3/modules/vfs_snapper.c
+++ b/source3/modules/vfs_snapper.c
@@ -2408,6 +2408,23 @@ static int snapper_gmt_chflags(vfs_handle_struct *handle,
 	return SMB_VFS_NEXT_CHFLAGS(handle, smb_fname, flags);
 }
 
+static int snapper_gmt_fchflags(vfs_handle_struct *handle,
+				struct files_struct *fsp,
+				unsigned int flags)
+{
+	time_t timestamp = 0;
+
+	if (!snapper_gmt_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 snapper_gmt_getxattr(vfs_handle_struct *handle,
 				const struct smb_filename *smb_fname,
 				const char *aname,
@@ -2686,6 +2703,7 @@ static struct vfs_fn_pointers snapper_fns = {
 	.getxattrat_recv_fn = vfs_not_implemented_getxattrat_recv,
 	.fsetxattr_fn = snapper_gmt_fsetxattr,
 	.chflags_fn = snapper_gmt_chflags,
+	.fchflags_fn = snapper_gmt_fchflags,
 	.get_real_filename_fn = snapper_gmt_get_real_filename,
 };