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
|
#
# ChrootSetup.pm: chroot maintenance operations
# Copyright © 2005-2009 Roger Leigh <rleigh@debian.org
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see
# <http://www.gnu.org/licenses/>.
#
#######################################################################
package Sbuild::ChrootSetup;
use strict;
use warnings;
use File::Temp qw(tempfile);
use Sbuild qw($devnull shellescape);
BEGIN {
use Exporter ();
our (@ISA, @EXPORT);
@ISA = qw(Exporter);
@EXPORT = qw(basesetup shell hold_packages unhold_packages
list_packages set_package_status);
}
sub basesetup ($$);
sub shell ($$);
sub hold_packages ($$@);
sub unhold_packages ($$@);
sub list_packages ($$@);
sub set_package_status ($$$@);
sub basesetup ($$) {
my $session = shift;
my $conf = shift;
# Add sbuild group
$session->run_command(
{ COMMAND => ['getent', 'group', 'sbuild'],
USER => 'root',
STREAMIN => $devnull,
STREAMOUT => $devnull,
DIR => '/' });
if ($?) {
# This will require root privileges. However, this should
# only get run at initial chroot setup time.
if ($session->groupadd("--system", "sbuild")) {
print STDERR "E: Failed to create group sbuild\n";
return $?
}
}
# Add users
foreach my $user ('sbuild', $session->get_conf('BUILD_USER')) {
$session->run_command(
{ COMMAND => ['getent', 'passwd', $user],
USER => 'root',
STREAMIN => $devnull,
STREAMOUT => $devnull,
DIR => '/' });
if ($?) {
# This will require root privileges. However, this should
# only get run at initial chroot setup time.
if ($session->useradd("--system",
'--home-dir', '/var/lib/sbuild', '--no-create-home',
'--shell', '/bin/bash', '--gid', 'sbuild',
'--comment', 'Debian source builder,,,', $user)) {
print STDERR "E: Failed to create user $user\n";
return $?
}
}
}
my $build_path = '/build';
if (defined($session->get_conf('BUILD_PATH')) && $session->get_conf('BUILD_PATH')) {
$build_path = $session->get_conf('BUILD_PATH');
}
$session->run_command(
{ COMMAND => ['/bin/sh', '-c',
'set -e; if [ ! -d ' . (shellescape $build_path) . ' ] ; then mkdir -p -m 0775 ' . (shellescape $build_path) . '; fi'],
USER => 'root',
DIR => '/' });
if ($?) {
print STDERR "E: Failed to create build directory $build_path\n";
return $?
}
$session->run_command(
{ COMMAND => ['chown', 'sbuild:sbuild', $build_path],
USER => 'root',
DIR => '/' });
if ($?) {
print STDERR "E: Failed to set sbuild:sbuild ownership on $build_path\n";
return $?
}
$session->run_command(
{ COMMAND => ['chmod', '02770', $build_path],
USER => 'root',
DIR => '/' });
if ($?) {
print STDERR "E: Failed to set 0750 permissions on $build_path\n";
return $?
}
$session->run_command(
{ COMMAND => ['/bin/sh', '-c',
'set -e; if [ ! -d /var/lib/sbuild ] ; then mkdir -m 2775 /var/lib/sbuild; fi'],
USER => 'root',
DIR => '/' });
if ($?) {
print STDERR "E: Failed to create build directory /var/lib/sbuild\n";
return $?
}
$session->run_command(
{ COMMAND => ['/bin/sh', '-c',
'set -e; if [ ! -d /var/lib/sbuild/srcdep-lock ] ; then mkdir -m 2770 /var/lib/sbuild/srcdep-lock; fi'],
USER => 'root',
DIR => '/' });
if ($?) {
print STDERR "E: Failed to create sbuild directory /var/lib/sbuild/srcdep-lock\n";
return $?
}
$session->run_command(
{ COMMAND => ['chown', '-R', 'sbuild:sbuild', '/var/lib/sbuild'],
USER => 'root',
DIR => '/' });
if ($?) {
print STDERR "E: Failed to set sbuild:sbuild ownership on /var/lib/sbuild/\n";
return $?
}
$session->run_command(
{ COMMAND => ['chmod', '02775', '/var/lib/sbuild'],
USER => 'root',
DIR => '/' });
if ($?) {
print STDERR "E: Failed to set 02775 permissions on /var/lib/sbuild/\n";
return $?
}
# Set up debconf selections.
my $pipe = $session->pipe_command(
{ COMMAND => ['/usr/bin/debconf-set-selections'],
PIPE => 'out',
USER => 'root',
PRIORITY => 0,
DIR => '/' });
if (!$pipe) {
warn "Cannot open pipe: $!\n";
} else {
foreach my $selection ('man-db man-db/auto-update boolean false') {
print $pipe "$selection\n";
}
close($pipe);
if ($?) {
print STDERR "E: debconf-set-selections failed\n";
return $?
}
}
return 0;
}
sub shell ($$) {
my $session = shift;
my $conf = shift;
$session->run_command(
{ COMMAND => ['/bin/sh'],
PRIORITY => 1,
USER => $conf->get('BUILD_USER'),
STREAMIN => \*STDIN,
STREAMOUT => \*STDOUT,
STREAMERR => \*STDERR });
return $?
}
sub hold_packages ($$@) {
my $session = shift;
my $conf = shift;
my $status = set_package_status($session, $conf, "hold", @_);
return $status;
}
sub unhold_packages ($$@) {
my $session = shift;
my $conf = shift;
my $status = set_package_status($session, $conf, "install", @_);
return $status;
}
sub list_packages ($$@) {
my $session = shift;
my $conf = shift;
$session->run_command(
{COMMAND => ['dpkg', '--list', @_],
USER => 'root',
PRIORITY => 0});
return $?;
}
sub set_package_status ($$$@) {
my $session = shift;
my $conf = shift;
my $status = shift;
my $pipe = $session->pipe_command(
{COMMAND => ['dpkg', '--set-selections'],
PIPE => 'out',
USER => 'root',
PRIORITY => 0});
if (!$pipe) {
print STDERR "Can't run dpkg --set-selections in chroot\n";
return 1;
}
foreach (@_) {
print $pipe "$_ $status\n";
}
if (!close $pipe) {
print STDERR "Can't run dpkg --set-selections in chroot\n";
}
return $?;
}
1;
|
