pkgsrc/mk/bulk/mksandbox
dmcmahill 51352eff3c by default don't try to include src and xsrc in the list of things to
mount in the sandbox.  Then in the individual OS section, turn it back
on if needed.  Right now, just turn on NetBSD.  At some point we should
probably fill out the other supported OS's or figure out a way to pull
in the information from the makefiles which already define much of whats
needed.
2005-04-21 21:44:56 +00:00

358 lines
9 KiB
Bash
Executable file

#! /bin/sh
# $NetBSD: mksandbox,v 1.40 2005/04/21 21:44:56 dmcmahill Exp $
#
#
# Copyright (c) 2002 Alistair G. Crooks. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
# This product includes software developed by Alistair G. Crooks
# for the NetBSD project.
# 4. The name of the author may not be used to endorse or promote
# products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
# GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Usage: mksandbox [--pkgsrc=dir] [--src=srcdir] [--xsrc=xsrcdir] [--verbose] sandbox-dir
#
# A small shell script to set up a sandbox (usually for a pkgsrc bulk
# build), using null mounts.
pkgsrc=/usr/pkgsrc
src=/usr/src
xsrc=/usr/xsrc
kernel=""
sandboxMountDirs="/bin /sbin /lib /libexec /usr/X11R6 /usr/bin /usr/games /usr/include /usr/lib /usr/libdata /usr/libexec /usr/lkm /usr/share /usr/sbin /var/mail"
sandboxEmptyDirs="/var/run /var/log /var/spool/mqueue"
sandboxEmptyFiles="/var/run/utmp /var/run/utmpx /var/log/wtmp /var/log/wtmpx /var/log/lastlog /var/log/lastlogx"
usage()
{
echo "Usage: mksandbox [--pkgsrc=dir] [--src=srcdir] [--xsrc=xsrcdir] [--verbose] sandbox-dir"
exit 1
}
err()
{
echo "error: $1"
exit 1
}
# by default, don't require src and xsrc to be available
need_src=no
need_xsrc=no
opsys=`uname -s`
case "$opsys" in
Darwin)
bmakeprog=bmake
chmodprog=/bin/chmod
chownprog=/usr/sbin/chown
cpprog=/bin/cp
gtarprog=/usr/bin/gnutar
idprog=/usr/bin/id
mkdirprog="/bin/mkdir -p"
mountflags="-t null"
mountprog=/sbin/mount
paxprog=/bin/pax
sedprog=/usr/bin/sed
;;
Linux)
bmakeprog=bmake
chmodprog=/bin/chmod
chownprog=/bin/chown
cpprog=/bin/cp
gtarprog=/bin/tar
idprog=/usr/bin/id
mkdirprog="/bin/mkdir -p"
mountflags="--bind"
mountprog=/sbin/mount
paxprog=""
sedprog=/bin/sed
sandboxMountDirs="$sandboxMountDirs /proc"
;;
NetBSD)
bmakeprog=make
chmodprog=/bin/chmod
chownprog=/usr/sbin/chown
cpprog=/bin/cp
gtarprog=/usr/bin/tar
idprog=/usr/bin/id
kernel=/netbsd
mkdirprog="/bin/mkdir -p"
mountflags="-t null"
mountprog=/sbin/mount
paxprog=/bin/pax
sedprog=/usr/bin/sed
need_src=yes
need_xsrc=yes
;;
SunOS)
bmakeprog=bmake
chmodprog=/usr/bin/chmod
chownprog=/usr/bin/chown
cpprog=/usr/bin/cp
gtarprog=""
idprog=/usr/xpg4/bin/id
mkdirprog="/usr/bin/mkdir -p"
mountflags="-F lofs"
mountprog=/sbin/mount
paxprog=/bin/pax
sedprog=/usr/xpg4/bin/sed
sandboxMountDirs="/bin /sbin /kernel /lib /proc /opt/SUNWspro /usr/X11R6 /usr/5bin /usr/bin /usr/ccs /usr/dt /usr/games /usr/include /usr/lib /usr/openwin /usr/share /usr/sbin /usr/ucb /usr/ucblib /usr/xpg4 /var/mail /var/sadm"
sandboxEmptyDirs="$sandboxEmptyDirs /usr/tmp /var/tmp"
;;
*)
echo "Unknown Operating System ($opsys) - good luck"
bmakeprog=bmake
chmodprog=chmod
chownprog=chown
cpprog=cp
gtarprog="tar"
idprog="id"
mkdirprog="mkdir -p"
mountflags="-t null"
mountprog=mount
paxprog=pax
sedprog=sed
;;
esac
while [ $# -gt 0 ]; do
case "$1" in
--pkgsrc=*) pkgsrc=`echo $1 | $sedprog -e 's|^--pkgsrc=||'` ;;
--src=*) src=`echo $1 | $sedprog -e 's|^--src=||'` ;;
--xsrc=*) xsrc=`echo $1 | $sedprog -e 's|^--xsrc=||'` ;;
--verbose) set -x ;;
-*) usage ;;
*) break ;;
esac
shift
done
if [ $# -ne 1 ]; then
usage
fi
if [ `$idprog -u` -ne 0 ]; then
err "You must be root to run this script."
fi
if [ ! -d $pkgsrc ]; then
err "pkgsrc directory $pkgsrc does not exist."
fi
if [ ! -d $src -a "$need_src" = "yes" ]; then
err "source directory $src does not exist."
fi
if [ ! -d $xsrc -a "$need_xsrc" = "yes" ]; then
err "xsrc directory $xsrc does not exist."
fi
sandbox=$1
sandbox_script="$sandbox/sandbox"
packages=`(cd $pkgsrc/pkgtools/pkglint; $bmakeprog show-var VARNAME=PACKAGES)`
distfiles=`(cd $pkgsrc/pkgtools/pkglint; $bmakeprog show-var VARNAME=DISTDIR)`
localbase=`(cd $pkgsrc/pkgtools/pkglint; $bmakeprog show-var VARNAME=LOCALBASE)`
pkg_dbdir=`(cd $pkgsrc/pkgtools/pkglint; $bmakeprog show-var VARNAME=PKG_DBDIR)`
localpatches=`(cd $pkgsrc/pkgtools/pkglint; $bmakeprog show-var VARNAME=LOCALPATCHES)`
test -d "$localpatches" || echo "WARNING: LOCALPATCHES directory does not exist - ignoring"
$mkdirprog $sandbox
cat > $sandbox_script <<EOS
#! /bin/sh -
sandbox=$sandbox
r3() {
_R=
while [ \$# -ge 3 ]
do
_R="\$1 \$2 \$3 \$_R"
shift; shift; shift
done
echo "\$_R"
}
fses="\\
EOS
if [ ! -z "$kernel" ]; then
echo "Copying the kernel"
$cpprog $kernel $sandbox
fi
echo "Checking package hierarchy in $localbase and package database in $pkg_dbdir exist"
$mkdirprog $sandbox/$localbase $sandbox/$pkg_dbdir
echo "Make and populate $sandbox/dev"
$mkdirprog $sandbox/dev
case "$opsys" in
SunOS)
/usr/sbin/devfsadm -r $sandbox
if [ -f /usr/ucblib/ucblinks.awk -a -x /usr/ucb/ucblinks ]; then
/usr/ucb/ucblinks -r $sandbox
fi
;;
Linux)
$cpprog /dev/MAKEDEV* $sandbox/dev
(cd $sandbox/dev; ./MAKEDEV generic)
;;
*)
$cpprog /dev/MAKEDEV* $sandbox/dev
(cd $sandbox/dev; ./MAKEDEV all)
esac
echo "Make and populate $sandbox/etc"
$mkdirprog $sandbox/etc
case "$paxprog" in
"") (cd /etc; $gtarprog -cf - . | (cd $sandbox/etc; $gtarprog xf - )) ;;
*) (cd /etc; $paxprog -rwpe . $sandbox/etc) ;;
esac
rm -f $sandbox/etc/localtime
case "$opsys" in
SunOS)
$cpprog /etc/TIMEZONE $sandbox/etc/TIMEZONE
;;
*)
$cpprog /usr/share/zoneinfo/GMT $sandbox/etc/localtime
;;
esac
echo "Make empty dirs upon which to mount the null mounts"
for d in $sandboxMountDirs; do
test -d $d || continue;
$mkdirprog $sandbox$d;
$mountprog $mountflags -r $d $sandbox$d;
echo "$d $d ro \\" >> $sandbox_script
done
echo "Making /tmp in $sandbox"
$mkdirprog $sandbox/tmp $sandbox/var/tmp
$chmodprog 1777 $sandbox/tmp $sandbox/var/tmp
echo "Making /var/games in $sandbox"
$mkdirprog $sandbox/var/games
$chownprog games:games $sandbox/var/games
$chmodprog 2775 $sandbox/var/games
for d in $sandboxEmptyDirs; do
test -d $d || continue
echo "Making $d in $sandbox"
$mkdirprog $sandbox$d
done
for f in $sandboxEmptyFiles; do
test -f $f || continue
echo "Making $f in $sandbox"
$cpprog /dev/null $sandbox$f
done
if [ "$need_src" = "yes" ]; then
echo "Mount $src from $sandbox"
$mkdirprog $sandbox/usr/src
$mountprog $mountflags -r $src $sandbox/usr/src
echo "$src /usr/src ro \\" >> $sandbox_script
fi
echo "Mount $pkgsrc from $sandbox"
$mkdirprog $sandbox/usr/pkgsrc
$mountprog $mountflags $pkgsrc $sandbox/usr/pkgsrc
echo "$pkgsrc /usr/pkgsrc rw \\" >> $sandbox_script
if [ "$need_xsrc" = "yes" ]; then
echo "Mount $xsrc from $sandbox"
$mkdirprog $sandbox/usr/xsrc
$mountprog $mountflags -r $xsrc $sandbox/usr/xsrc
echo "$xsrc /usr/xsrc ro \\" >> $sandbox_script
fi
echo "Mounting $packages and $distfiles from $sandbox"
$mkdirprog $sandbox/$packages $sandbox/$distfiles
$mkdirprog $packages $distfiles
$mountprog $mountflags $packages $sandbox/$packages
$mountprog $mountflags $distfiles $sandbox/$distfiles
echo "$packages $packages rw \\" >> $sandbox_script
echo "$distfiles $distfiles rw \\" >> $sandbox_script
if [ -n "$localpatches" ] && [ -d "$localpatches" ]; then
echo "Mounting $localpatches from $sandbox"
$mkdirprog $sandbox/$localpatches
$mountprog $mountflags $localpatches $sandbox/$localpatches
echo "$localpatches $localpatches rw \\" >> $sandbox_script
fi
cat >> $sandbox_script <<EOS
"
case x\$1 in
xmount)
set dummy \$fses
shift
while [ \$# -ge 3 ]; do
fs=\$1; shift
mntpoint=\$1; shift
rwro=\$1; shift
case \$rwro in
ro) mount $mountflags -r \$fs \$sandbox/\$mntpoint || exit 1 ;;
rw) mount $mountflags \$fs \$sandbox/\$mntpoint || exit 1 ;;
esac
done
;;
xumount)
set dummy \`r3 \$fses\`
shift
while [ \$# -ge 3 ]; do
fs=\$1; shift
mntpoint=\$1; shift
dummy=\$1; shift
umount \$sandbox/\$mntpoint
done
;;
*)
if [ \$# -eq 0 ]; then
set dummy /bin/sh
shift
fi
chroot \$sandbox "\$@"
;;
esac
EOS
chmod +x $sandbox_script
case $opsys in
SunOS)
$cpprog /etc/mnttab $sandbox/etc/mnttab
;;
*)
esac
echo "Sandbox creation is now complete"
exit 0