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 http://www.opensolaris.org/os/licensing. 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# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. 24# 25# s10 boot script. 26# 27# The arguments to this script are the zone name and the zonepath. 28# 29 30. /usr/lib/brand/solaris10/common.ksh 31 32ZONENAME=$1 33ZONEPATH=$2 34ZONEROOT=$ZONEPATH/root 35 36w_missing=$(gettext "Warning: \"%s\" is not installed in the global zone") 37 38arch=`uname -p` 39if [ "$arch" = "i386" ]; then 40 ARCH32=i86 41 ARCH64=amd64 42elif [ "$arch" = "sparc" ]; then 43 # 32-bit SPARC not supported! 44 ARCH32= 45 ARCH64=sparcv9 46else 47 echo "Unsupported architecture: $arch" 48 exit 2 49fi 50 51# 52# Run the s10_support boot hook. 53# 54/usr/lib/brand/solaris10/s10_support boot $ZONENAME 55if (( $? != 0 )) ; then 56 exit 1 57fi 58 59BRANDDIR=/.SUNWnative/usr/lib/brand/solaris10; 60FILEDIR=$BRANDDIR/files; 61EXIT_CODE=1 62 63# 64# Replace the specified file in the booting zone with a wrapper script that 65# invokes s10_isaexec_wrapper. This is a convenience function that reduces 66# clutter and code duplication. 67# 68# Parameters: 69# $1 The full path of the file to replace (e.g., /sbin/ifconfig) 70# $2 The access mode of the replacement file in hex (e.g., 0555) 71# $3 The name of the replacement file's owner (e.g., root:bin) 72# 73# NOTE: The checks performed in the 'if' statement below are not generic: they 74# depend on the success of the zone filesystem structure validation performed 75# above to ensure that intermediate directories exist and aren't symlinks. 76# 77replace_with_native() { 78 path_dname=$ZONEROOT/`dirname $1` 79 80 [ ! -f $1 ] && printf "$w_missing" "$1" 81 if [ ! -h $path_dname -a -d $path_dname ]; then 82 safe_replace $ZONEROOT/$1 $BRANDDIR/s10_isaexec_wrapper $2 $3 \ 83 remove 84 fi 85} 86 87replace_with_native_py() { 88 path_dname=$ZONEROOT/`dirname $1` 89 90 [ ! -f $1 ] && printf "$w_missing" "$1" 91 92 if [ ! -h $path_dname -a -d $path_dname ]; then 93 safe_replace $ZONEROOT/$1 $BRANDDIR/s10_python_wrapper $2 $3 \ 94 remove 95 fi 96} 97 98wrap_with_native() { 99 100 [ ! -f $1 ] && printf "$w_missing" "$1" 101 102 safe_wrap $ZONEROOT/$1 $BRANDDIR/s10_isaexec_wrapper $2 $3 103} 104 105# 106# Before we boot we validate and fix, if necessary, the required files within 107# the zone. These modifications can be lost if a patch is applied within the 108# zone, so we validate and fix the zone every time it boots. 109# 110 111# 112# BINARY REPLACEMENT 113# 114# This section of the boot script is responsible for replacing Solaris 10 115# binaries within the booting zone with Nevada binaries. This is a two-step 116# process: First, the directory structure of the zone is validated to ensure 117# that binary replacement will proceed safely. Second, Solaris 10 binaries 118# are replaced with Nevada binaries. 119# 120# Here's an example. Suppose that you want to replace /usr/bin/zcat with the 121# Nevada /usr/bin/zcat binary. Then you should do the following: 122# 123# 1. Go to the section below labeled "STEP ONE" and add the following 124# two lines: 125# 126# safe_dir /usr 127# safe_dir /usr/bin 128# 129# These lines ensure that both /usr and /usr/bin are directories 130# within the booting zone that can be safely accessed by the global 131# zone. 132# 2. Go to the section below labeled "STEP TWO" and add the following 133# line: 134# 135# replace_with_native /usr/bin/zcat 0555 root:bin 136# 137# Details about the binary replacement procedure can be found in the Solaris 10 138# Containers Developer Guide. 139# 140 141# 142# STEP ONE 143# 144# Validate that the zone filesystem looks like we expect it to. 145# 146safe_dir /usr 147safe_dir /usr/lib 148safe_dir /usr/lib/autofs 149safe_dir /usr/lib/fs 150safe_dir /usr/lib/fs/autofs 151safe_dir /usr/lib/fs/ufs 152safe_dir /usr/lib/fs/zfs 153safe_dir /usr/lib/zfs 154safe_dir /usr/bin 155safe_dir /usr/sbin 156safe_dir /sbin 157 158# 159# STEP TWO 160# 161# Replace Solaris 10 binaries with Nevada binaries. 162# 163 164# 165# Replace various network-related programs with native wrappers. 166# 167replace_with_native /sbin/ifconfig 0555 root:bin 168 169# 170# PSARC 2009/306 removed the ND_SET/ND_GET ioctl's for modifying 171# IP/TCP/UDP/SCTP/ICMP tunables. If S10 ndd(1M) is used within an 172# S10 container, the kernel will return EINVAL. So we need this. 173# 174replace_with_native /usr/sbin/ndd 0555 root:bin 175 176# 177# Replace various ZFS-related programs with native wrappers. These commands 178# either link with libzfs, dlopen libzfs or link with libraries that link 179# or dlopen libzfs. Commands which fall into these categories but which can 180# only be used in the global zone are not wrapped. The libdiskmgt dm_in_use 181# code uses libfs, but only the zpool_in_use() -> zpool_read_label() code path. 182# That code does not issue ioctls on /dev/zfs and does not need wrapping. 183# 184replace_with_native /sbin/zfs 0555 root:bin 185replace_with_native /sbin/zpool 0555 root:bin 186replace_with_native /usr/lib/fs/ufs/quota 0555 root:bin 187replace_with_native /usr/lib/fs/zfs/fstyp 0555 root:bin 188replace_with_native /usr/lib/zfs/availdevs 0555 root:bin 189replace_with_native /usr/sbin/df 0555 root:bin 190replace_with_native /usr/sbin/zstreamdump 0555 root:bin 191replace_with_native_py /usr/lib/zfs/pyzfs.py 0555 root:bin 192 193# 194# Replace automount and automountd with native wrappers. 195# 196replace_with_native /usr/lib/fs/autofs/automount 0555 root:bin 197replace_with_native /usr/lib/autofs/automountd 0555 root:bin 198 199# 200# The class-specific dispadmin(1M) and priocntl(1) binaries must be native 201# wrappers, and we must have all of the ones the native zone does. This 202# allows new scheduling classes to appear without causing dispadmin and 203# priocntl to be unhappy. 204# 205rm -rf $ZONEROOT/usr/lib/class 206mkdir $ZONEROOT/usr/lib/class || exit 1 207 208find /usr/lib/class -type d -o -type f | while read x; do 209 [ -d $x ] && mkdir -p -m 755 $ZONEROOT$x 210 [ -f $x ] && wrap_with_native $x 0555 root:bin 211done 212 213# 214# END OF STEP TWO 215# 216 217# 218# Replace add_drv and rem_drv with /usr/bin/true so that pkgs/patches which 219# install or remove drivers will work. NOTE: add_drv and rem_drv are hard 220# linked to isaexec so we want to remove the current executable and 221# then copy true so that we don't clobber isaexec. 222# 223filename=$ZONEROOT/usr/sbin/add_drv 224[ ! -f $filename.pre_p2v ] && safe_backup $filename $filename.pre_p2v 225rm -f $filename 226safe_copy $ZONEROOT/usr/bin/true $filename 227 228filename=$ZONEROOT/usr/sbin/rem_drv 229[ ! -f $filename.pre_p2v ] && safe_backup $filename $filename.pre_p2v 230rm -f $filename 231safe_copy $ZONEROOT/usr/bin/true $filename 232 233exit 0 234