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
|
# ex:ts=8 sw=4:
# $OpenBSD: PackageInfo.pm,v 1.16 2005/01/14 02:25:12 espie Exp $
#
# Copyright (c) 2003-2004 Marc Espie <espie@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
use strict;
use warnings;
package OpenBSD::PackageInfo;
our @ISA=qw(Exporter);
our @EXPORT=qw(installed_packages installed_info installed_name info_names is_info_name
lock_db unlock_db
add_installed delete_installed is_installed borked_package CONTENTS COMMENT DESC INSTALL DEINSTALL REQUIRE
REQUIRED_BY REQUIRING DISPLAY UNDISPLAY MTREE_DIRS);
use OpenBSD::PackageName;
use constant {
CONTENTS => '+CONTENTS',
COMMENT => '+COMMENT',
DESC => '+DESC',
INSTALL => '+INSTALL',
DEINSTALL => '+DEINSTALL',
REQUIRE => '+REQUIRE',
REQUIRED_BY => '+REQUIRED_BY',
REQUIRING => '+REQUIRING',
DISPLAY => '+DISPLAY',
UNDISPLAY => '+UNDISPLAY',
MTREE_DIRS => '+MTREE_DIRS' };
use Fcntl qw/:flock/;
my $pkg_db = $ENV{"PKG_DBDIR"} || '/var/db/pkg';
our $list;
our @info = (CONTENTS, COMMENT, DESC, REQUIRE, INSTALL, DEINSTALL, REQUIRED_BY, REQUIRING, DISPLAY, UNDISPLAY, MTREE_DIRS);
our %info = ();
for my $i (@info) {
my $j = $i;
$j =~ s/\+/F/;
$info{$i} = $j;
}
sub _init_list
{
$list = {};
my @bad=();
opendir(my $dir, $pkg_db) or die "Bad pkg_db: $!";
while (my $e = readdir($dir)) {
next if $e eq '.' or $e eq '..';
next unless -d "$pkg_db/$e";
if (! -r _) {
push(@bad, $e);
next;
}
if (-f "$pkg_db/$e/+CONTENTS") {
$list->{$e} = 1;
} else {
print "Warning: $e is not really a package\n";
}
}
close($dir);
if (@bad > 0) {
print "Warning: can't access information for ", join(", ", @bad), "\n";
}
}
sub add_installed
{
if (!defined $list) {
_init_list();
}
for my $p (@_) {
$list->{$p} = 1;
}
}
sub delete_installed
{
if (!defined $list) {
_init_list();
}
for my $p (@_) {
delete $list->{$p};
}
}
sub installed_packages(;$)
{
if (!defined $list) {
_init_list();
}
if ($_[0]) {
return grep { !/^\./ } keys %$list;
} else {
return keys %$list;
}
}
sub installed_info($)
{
my $name = shift;
if ($name =~ m|^\Q$pkg_db\E/?|) {
return "$name/";
} else {
return "$pkg_db/$name/";
}
}
sub installed_contents($)
{
return installed_info(shift).CONTENTS;
}
sub borked_package($)
{
my $pkgname = $_[0];
unless (-e "$pkg_db/partial-$pkgname") {
return "partial-$pkgname";
}
my $i = 1;
while (-e "$pkg_db/partial-$pkgname.$i") {
$i++;
}
return "partial-$pkgname.$i";
}
sub is_installed($)
{
my $name = installed_name(shift);
if (!defined $list) {
installed_packages();
}
return defined $list->{$name};
}
sub installed_name($)
{
my $name = shift;
$name =~ s|/$||;
$name =~ s|^\Q$pkg_db\E/?||;
return $name;
}
sub info_names()
{
return @info;
}
sub is_info_name($)
{
my $name = shift;
return $info{$name};
}
my $dlock;
sub lock_db($)
{
my $shared = shift;
my $mode = $shared ? LOCK_SH : LOCK_EX;
open($dlock, '<', $pkg_db) or return;
if (flock($dlock, $mode | LOCK_NB)) {
return;
}
print "Package database already locked... awaiting release\n";
while (!flock($dlock, $mode)) {
}
return;
}
sub unlock_db()
{
if (defined $dlock) {
flock($dlock, LOCK_UN);
close($dlock);
}
}
1;
|
