From dad377dbe4795f110da35bb751f800d6658fa7c0 Mon Sep 17 00:00:00 2001 From: Jeremy Allison Date: Fri, 16 Aug 2019 16:01:22 -0700 Subject: s3: VFS: vfs_snapper. Implement linkat(). MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Currently identical to link(). Signed-off-by: Jeremy Allison Reviewed-by: Ralph Böhme --- source3/modules/vfs_snapper.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) (limited to 'source3/modules/vfs_snapper.c') diff --git a/source3/modules/vfs_snapper.c b/source3/modules/vfs_snapper.c index 4975cdf6fb4..910591b1219 100644 --- a/source3/modules/vfs_snapper.c +++ b/source3/modules/vfs_snapper.c @@ -2099,6 +2099,42 @@ static int snapper_gmt_link(vfs_handle_struct *handle, return SMB_VFS_NEXT_LINK(handle, old_smb_fname, new_smb_fname); } +static int snapper_gmt_linkat(vfs_handle_struct *handle, + files_struct *srcfsp, + const struct smb_filename *old_smb_fname, + files_struct *dstfsp, + const struct smb_filename *new_smb_fname, + int flags) +{ + time_t timestamp_old = 0; + time_t timestamp_new = 0; + + if (!snapper_gmt_strip_snapshot(talloc_tos(), + handle, + old_smb_fname->base_name, + ×tamp_old, + NULL)) { + return -1; + } + if (!snapper_gmt_strip_snapshot(talloc_tos(), + handle, + new_smb_fname->base_name, + ×tamp_new, + NULL)) { + return -1; + } + if ((timestamp_old != 0) || (timestamp_new != 0)) { + errno = EROFS; + return -1; + } + return SMB_VFS_NEXT_LINKAT(handle, + srcfsp, + old_smb_fname, + dstfsp, + new_smb_fname, + flags); +} + static int snapper_gmt_stat(vfs_handle_struct *handle, struct smb_filename *smb_fname) { @@ -2863,6 +2899,7 @@ static struct vfs_fn_pointers snapper_fns = { .get_quota_fn = snapper_gmt_get_quota, .renameat_fn = snapper_gmt_renameat, .link_fn = snapper_gmt_link, + .linkat_fn = snapper_gmt_linkat, .symlink_fn = snapper_gmt_symlink, .stat_fn = snapper_gmt_stat, .lstat_fn = snapper_gmt_lstat, -- cgit v1.2.1