From: Jeremy Allison <jra@samba.org>
Date: Mon, 13 Apr 2020 20:49:36 +0000 (-0700)
Subject: s3: VFS: ceph_snapshots. Add ceph_snap_gmt_get_nt_acl_at().
X-Git-Tag: ldb-2.2.0~608
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=0ebce107dc0a177549757d0b16f3720bcd34805c;p=thirdparty%2Fsamba.git

s3: VFS: ceph_snapshots. Add ceph_snap_gmt_get_nt_acl_at().

Not yet used.

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

diff --git a/source3/modules/vfs_ceph_snapshots.c b/source3/modules/vfs_ceph_snapshots.c
index eeb1eb678aa..cd7adc54630 100644
--- a/source3/modules/vfs_ceph_snapshots.c
+++ b/source3/modules/vfs_ceph_snapshots.c
@@ -1156,6 +1156,60 @@ static NTSTATUS ceph_snap_gmt_get_nt_acl(vfs_handle_struct *handle,
 	return status;
 }
 
+static NTSTATUS ceph_snap_gmt_get_nt_acl_at(vfs_handle_struct *handle,
+				struct files_struct *dirfsp,
+				const struct smb_filename *csmb_fname,
+				uint32_t security_info,
+				TALLOC_CTX *mem_ctx,
+				struct security_descriptor **ppdesc)
+{
+	time_t timestamp = 0;
+	char stripped[PATH_MAX + 1];
+	char conv[PATH_MAX + 1];
+	int ret;
+	NTSTATUS status;
+	struct smb_filename *new_fname;
+	int saved_errno;
+
+	SMB_ASSERT(dirfsp == handle->conn->cwd_fsp);
+
+	ret = ceph_snap_gmt_strip_snapshot(handle,
+					csmb_fname,
+					&timestamp, stripped, sizeof(stripped));
+	if (ret < 0) {
+		return map_nt_error_from_unix(-ret);
+	}
+	if (timestamp == 0) {
+		return SMB_VFS_NEXT_GET_NT_ACL_AT(handle,
+					dirfsp,
+					csmb_fname,
+					security_info,
+					mem_ctx,
+					ppdesc);
+	}
+	ret = ceph_snap_gmt_convert(handle, stripped,
+					timestamp, conv, sizeof(conv));
+	if (ret < 0) {
+		return map_nt_error_from_unix(-ret);
+	}
+	new_fname = cp_smb_filename(talloc_tos(), csmb_fname);
+	if (new_fname == NULL) {
+		return NT_STATUS_NO_MEMORY;
+	}
+	new_fname->base_name = conv;
+
+	status = SMB_VFS_NEXT_GET_NT_ACL_AT(handle,
+					dirfsp,
+					new_fname,
+					security_info,
+					mem_ctx,
+					ppdesc);
+	saved_errno = errno;
+	TALLOC_FREE(new_fname);
+	errno = saved_errno;
+	return status;
+}
+
 static int ceph_snap_gmt_mkdirat(vfs_handle_struct *handle,
 				struct files_struct *dirfsp,
 				const struct smb_filename *csmb_fname,
@@ -1475,6 +1529,7 @@ static struct vfs_fn_pointers ceph_snap_fns = {
 	.mknodat_fn = ceph_snap_gmt_mknodat,
 	.realpath_fn = ceph_snap_gmt_realpath,
 	.get_nt_acl_fn = ceph_snap_gmt_get_nt_acl,
+	.get_nt_acl_at_fn = ceph_snap_gmt_get_nt_acl_at,
 	.mkdirat_fn = ceph_snap_gmt_mkdirat,
 	.getxattr_fn = ceph_snap_gmt_getxattr,
 	.getxattrat_send_fn = vfs_not_implemented_getxattrat_send,