summaryrefslogtreecommitdiff
path: root/mk/bulk/mksandbox
blob: 58bf967951aab6584c6c254fa0cc59f97e0e662e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
#! /bin/sh

# $NetBSD: mksandbox,v 1.42 2006/06/08 01:11:43 minskim 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/lock /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 "$opsys" in
Darwin)
	bmakeprog=bmake
	chmodprog=/bin/chmod
	chownprog=/usr/sbin/chown
	cpprog=/bin/cp
	gtarprog=/usr/bin/gnutar
	idprog=/usr/bin/id
	mkdirprog="/bin/mkdir -p"
	mountflags="-t null"
	mountprog=/sbin/mount
	paxprog=/bin/pax
	sedprog=/usr/bin/sed
	;;
Interix)
	echo >&2 "This script cannot be used on Interix; a different procedure is required."
	echo >&2 "(To be documented.)"
	exit 1
	;;
Linux)
	bmakeprog=bmake
	chmodprog=/bin/chmod
	chownprog=/bin/chown
	cpprog=/bin/cp
	gtarprog=/bin/tar
	idprog=/usr/bin/id
	mkdirprog="/bin/mkdir -p"
	mountflags="--bind"
	mountprog=/sbin/mount
	paxprog=""
	sedprog=/bin/sed
	sandboxMountDirs="$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