/usr/share/insserv/check-archive-initd-scripts is in insserv 1.14.0-5.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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 | #!/usr/bin/perl
#
# Check the consistency of all init.d scripts in the archive. Run
# this on bellini.debian.org.
use warnings;
use strict;
use File::Basename;
my $warn = 1;
my $basedir = "/org/lintian.debian.org/laboratory/binary";
my @scripts = @ARGV;
@scripts = <$basedir/*/init.d/*> unless (@scripts);
my %scriptinfo;
my %provides;
my @virts = qw($local_fs $remote_fs $syslog $time $named
$portmap $network $all
$mail-transport-agent $x-font-server
$null $x-display-manager
);
my @harddepheaders = qw(required-start required-stop);
my @softdepheaders = qw(should-start
should-stop x-start-before x-stop-after);
my $lsbheaders = "Provides|Required-Start|Required-Stop|Default-Start|Default-Stop";
my $optheaders = "x-start-before|x-stop-after|should-start|should-stop";
for my $virt (@virts) {
$provides{$virt} = ['insserv/etc/insserv.conf'];
}
# Ignore obsolete scripts, as these are unlikely to cause problems.
for my $old (qw(glibc evms raid2 ldm sdm)) {
$provides{$old} = ['obsolete'];
}
# First pass to load the database
for my $initdscript (@scripts) {
next if $initdscript =~ m%/rc|/rcS|/README%;
my %lsbinfo = parse_lsb_header($initdscript);
$scriptinfo{$initdscript} = \%lsbinfo;
next unless ($lsbinfo{'found'});
my %checked;
for my $provide (split(/[ ,\t]+/, $lsbinfo{provides})) {
if (exists $provides{$provide}) {
push(@{$provides{$provide}}, $initdscript)
} else {
$provides{$provide} = [$initdscript];
}
$checked{$provide} = 1;
}
}
for my $provide (sort keys %provides) {
if (1 < scalar @{$provides{$provide}}) {
my %script;
map { $script{basename($_)} = 1; } @{$provides{$provide}};
if (1 < scalar keys %script) {
error(sprintf("scripts %s provide duplicate '%s'",
join(",", short_name(@{$provides{$provide}})),
$provide));
}
}
}
# Second pass, to see which dependencies are missing
for my $initdscript (@scripts) {
next unless ($scriptinfo{$initdscript}->{'found'});
my $short = short_name($initdscript);
my %checked;
my @hardmissing = ();
for my $header (@harddepheaders) {
my $list = $scriptinfo{$initdscript}->{$header};
next unless defined $list;
for my $facility (split(/[ ,\t]+/, $list)) {
next if exists $checked{$facility};
$checked{$facility} = 1;
push(@hardmissing, $facility)
unless exists $provides{$facility};
}
}
error("script $short depend on non-existing provides: "
. join(" ", @hardmissing)) if (@hardmissing);
my @softmissing = ();
for my $header (@softdepheaders) {
my $list = $scriptinfo{$initdscript}->{$header};
next unless defined $list;
for my $facility (split(/[ ,\t]+/, $list)) {
next if exists $checked{$facility};
$checked{$facility} = 1;
push(@softmissing, $facility)
unless exists $provides{$facility};
}
}
warning("script $short relate to non-existing provides: "
. join(" ", @softmissing)) if (@softmissing);
if (exists $checked{'$syslog'}
&& $scriptinfo{$initdscript}->{'default-start'} =~ m/s/i) {
error("script $short depend on \$syslog and start from rcS.d/");
}
if (!exists $checked{'$remote_fs'}
&& !exists $checked{'$syslog'}
&& $scriptinfo{$initdscript}->{'need_remote_fs'}
&& $scriptinfo{$initdscript}->{'default-start'} =~ m/s/i) {
warning("script $short possibly missing dependency on \$remote_fs");
} elsif (!exists $checked{'$local_fs'}
&& !exists $checked{'$remote_fs'}
&& !exists $checked{'$syslog'}
&& $scriptinfo{$initdscript}->{'need_local_fs'}
&& $scriptinfo{$initdscript}->{'default-start'} =~ m/s/i) {
warning("script $short possibly missing dependency on \$local_fs");
}
if (!exists $checked{'$syslog'}
&& $scriptinfo{$initdscript}->{'need_syslog'}) {
warning("script $short possibly missing dependency on \$syslog");
}
my %provided;
for my $provide (split(/[ ,\t]+/,
$scriptinfo{$initdscript}->{provides})) {
$provided{$provide} = 1;
if ($provide =~ m/\$/) {
error("script $short provide virtual facility $provide");
}
}
my $basename = basename($initdscript, ".sh");
info("script $short does not provide its own name")
unless exists $provided{$basename};
# Detect common problems with runlevel settings.
my @startrl = sort split(/\s+/, lc($scriptinfo{$initdscript}->{'default-start'}));
my @stoprl = sort split(/\s+/, lc($scriptinfo{$initdscript}->{'default-stop'}));
unless ( @startrl || @stoprl) {
error("script $short do not start or stop in any runlevels");
}
# Scripts starting in rcS.d/ normally do not stop or only stop
# during hald and shutdown.
elsif ((array_equal(['s'], \@startrl) && array_equal([], \@stoprl))
|| ( array_equal(['s'], \@startrl)
&& array_equal(['0','6'], \@stoprl))) {
# OK
} else {
# Most scripts either start in rcS.d, or in runlevels 2-5
if (!array_equal(['2', '3', '4', '5'], \@startrl) &&
!array_equal(['s'], \@startrl) &&
(!array_equal([], \@startrl) && @stoprl)) {
# Some obvious errors (runlevels 2-5 are equivalent in Debian)
if (array_equal(['3', '5'], \@startrl)
|| array_equal(['3', '4', '5'], \@startrl)) {
error("script $short have inconsistent start runlevels: ",
join(" ", @startrl));
} else {
warning("script $short does not start in the usual runlevels: ",
join(" ", @startrl));
}
}
# And most scripts stop in runlevel (1) runlevels (0, 1, 6),
# only starts or only stops in (0) or (6).
if (!array_equal(['0', '1', '6'], \@stoprl) &&
!array_equal(['1'], \@stoprl) &&
!array_equal(['0', '6'], \@stoprl) &&
!(array_equal(['0'], \@stoprl) && !@startrl) &&
!(array_equal(['6'], \@stoprl) && !@startrl) &&
!(array_equal([], \@stoprl) && @startrl)) {
warning("script $short does not stop in the usual runlevels: ",
join(" ", @stoprl));
}
}
}
exit 0;
sub parse_lsb_header {
my $initdscript = shift;
my $short = short_name($initdscript);
my %lsbinfo;
unless (open(INIT, "<", $initdscript)) {
error("script $short is unreadable");
return ();
}
my $inheader = 0;
while (<INIT>) {
# print;
chomp;
if (m/^\#\#\# BEGIN INIT INFO\s*$/) {
$lsbinfo{'found'} = 1;
$inheader = 1;
}
$inheader = 0 if (m/\#\#\# END INIT INFO$/);
if ($inheader
&& m/^\# ($lsbheaders|$optheaders):\s*(\S?.*)$/i) {
# print "$1\n";
$lsbinfo{lc($1)} = $2;
}
s/\#.*$//; # Remove comments
$lsbinfo{'need_remote_fs'} = 1 if m%/usr/s?bin/%;
$lsbinfo{'need_local_fs'} = 1 if m%/var/%;
# Detect the use of tools resting in /usr/
$lsbinfo{'need_remote_fs'} = 1 if m%awk%;
$lsbinfo{'need_remote_fs'} = 1 if m%which%;
}
close(INIT);
# When running on bellini.debian.org, check if $syslog is needed
my $objdumpinfo = dirname($initdscript) . "/../objdump-info";
if ( -f $objdumpinfo) {
print "Checking for syslog symbol\n";
if (open(OBJDUMP, "<", $objdumpinfo)) {
while (<OBJDUMP>) {
$lsbinfo{'need_syslog'} = 1 if /GLIBC.* syslog/;
}
close OBJDUMP;
}
}
# Check that all the required headers are present
if (!$lsbinfo{'found'}) {
error("script $short is missing LSB header");
} else {
for my $key (split(/\|/, lc($lsbheaders))) {
if (!exists $lsbinfo{$key}) {
error("script $short missing LSB keyword '$key'");
}
}
}
return %lsbinfo
}
sub short_name {
my @scripts;
for my $script ( @_ ) {
my $copy = $script;
$copy =~ s%$basedir/%%g;
push @scripts, $copy;
}
if (wantarray) {
return @scripts;
} else {
return $scripts[0];
}
}
sub array_equal {
my ($a1, $a2) = @_;
return 0 if (scalar @{$a1} != scalar @{$a2});
my $i = 0;
while ($i < scalar @{$a1}) {
return 0 if $a1->[$i] ne $a2->[$i];
$i++;
}
return 1;
}
sub info {
print "info: @_\n";
}
sub warning {
print "warning: @_\n" if $warn;
}
sub error {
print "error: @_\n";
}
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