1#!/bin/ksh -p 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance with the License. 8# 9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10# or https://opensource.org/licenses/CDDL-1.0. 11# See the License for the specific language governing permissions 12# and limitations under the License. 13# 14# When distributing Covered Code, include this CDDL HEADER in each 15# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16# If applicable, add the following below this CDDL HEADER, with the 17# fields enclosed by brackets "[]" replaced with your own identifying 18# information: Portions Copyright [yyyy] [name of copyright owner] 19# 20# CDDL HEADER END 21# 22 23# 24# Copyright 2007 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26# 27 28. $STF_SUITE/tests/functional/slog/slog.kshlib 29 30verify_runnable "global" 31 32function cleanup_fs 33{ 34 cleanup 35} 36 37log_assert "Verify ZIL replay results in correct SUID/SGID bits for unprivileged write to SUID/SGID files" 38log_onexit cleanup_fs 39log_must setup 40 41# 42# 1. Create a file system (TESTFS) 43# 44log_must zpool destroy "$TESTPOOL" 45log_must zpool create $TESTPOOL $VDEV log mirror $LDEV 46log_must zfs set compression=on $TESTPOOL 47log_must zfs create -o mountpoint="$TESTDIR" $TESTPOOL/$TESTFS 48 49# Make all the writes from suid_write_to_file.c sync 50log_must zfs set sync=always "$TESTPOOL/$TESTFS" 51 52# 53# This dd command works around an issue where ZIL records aren't created 54# after freezing the pool unless a ZIL header already exists. Create a file 55# synchronously to force ZFS to write one out. 56# 57log_must dd if=/dev/zero of=$TESTDIR/sync \ 58 conv=fdatasync,fsync bs=1 count=1 59 60# 61# 2. Freeze TESTFS 62# 63log_must zpool freeze $TESTPOOL 64 65# 66# 3. Unprivileged write to a setuid file 67# 68log_must suid_write_to_file "NONE" "PRECRASH" 69log_must suid_write_to_file "SUID" "PRECRASH" 70log_must suid_write_to_file "SGID" "PRECRASH" 71log_must suid_write_to_file "SUID_SGID" "PRECRASH" 72 73# 74# 4. Unmount filesystem and export the pool 75# 76# At this stage TESTFS is empty again and frozen, the intent log contains 77# a complete set of deltas to replay. 78# 79log_must zfs unmount $TESTPOOL/$TESTFS 80 81log_note "List transactions to replay:" 82log_must zdb -iv $TESTPOOL/$TESTFS 83 84log_must zpool export $TESTPOOL 85 86# 87# 5. Remount TESTFS <which replays the intent log> 88# 89# Import the pool to unfreeze it and claim log blocks. It has to be 90# `zpool import -f` because we can't write a frozen pool's labels! 91# 92log_must zpool import -f -d $VDIR $TESTPOOL 93 94log_must suid_write_to_file "NONE" "REPLAY" 95log_must suid_write_to_file "SUID" "REPLAY" 96log_must suid_write_to_file "SGID" "REPLAY" 97log_must suid_write_to_file "SUID_SGID" "REPLAY" 98 99log_pass 100