/usr/share/perl5/Debian/DocBase/Utils.pm is in doc-base 0.10.6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# $Id: Utils.pm 223 2011-02-28 23:34:22Z robert $
#
package Debian::DocBase::Utils;
use Exporter();
use strict;
use warnings;
use vars qw(@ISA @EXPORT);
@ISA = qw(Exporter);
@EXPORT = qw(Execute HTMLEncode HTMLEncodeDescription Inform Debug Warn Error ErrorNF Fatal
IgnoreSignals RestoreSignals SetupSignals ReadMap);
use Debian::DocBase::Common;
use Debian::DocBase::Gettext;
sub HTMLEncode($) { # {{{
my $text = shift;
$text =~ s/&/&/g;
$text =~ s/</</g;
$text =~ s/>/>/g;
$text =~ s/"/"/g;
return $text;
} # }}}
sub HTMLEncodeDescription($) { # {{{
my $text = shift;
$text = HTMLEncode($text);
my @lines=split(/\n/, $text);
$text = "";
my $in_pre = 0;
foreach $_ (@lines) {
s/^\s//;
if (/^\s/) {
$_ = "<pre>\n$_" unless $in_pre;
$in_pre = 1;
} else {
$_ = "$_\n<\\pre>" if $in_pre;
$in_pre = 0;
}
s/^\.\s*$/<br> <br>/;
s/(http|ftp)s?:\/([\w\/~\.%#-])+[\w\/]/<a href="$&">$&<\/a>/g;
$text .= $_ . "\n";
}
$text .= "</pre>\n" if $in_pre;
return $text;
} # }}}
sub Execute(@) { # {{{
my @args = @_;
my $sargs = join " ", @args;
Fatal ($ERR_INTERNAL, _g("No arguments passed to %s.", "Execute()")) if $#args < 0;
if (-x $args[0]) {
Debug (_g("Executing `%s'"), $sargs);
if (system(@args) != 0) {
Warn (_g("Error occurred during execution of `%s'."), $sargs);
}
} else {
Debug (_g("Skipping execution of `%s'."), $sargs);
}
} # }}}
sub Debug(@) { # {{{
printf STDOUT ((shift) . "\n", @_) if $opt_debug;
} # }}}
sub Inform(@) { # {{{
printf STDOUT ((shift) . "\n", @_);
} # }}}
sub Warn(@) { # {{{
printf STDERR ((shift) . "\n", @_) if $opt_verbose;
} # }}}
sub Error(@) { # {{{
printf STDERR ((shift) . "\n", @_);
$exitval = $ERR_PARSING;
} # }}}
# non-fatal error - doesn't set exitval
sub ErrorNF(@) { # {{{
printf STDERR ((shift) . "\n", @_);
} # }}}
# fatal error, runs $on_fatal_handler and exits
sub Fatal($@) { # {{{
my $errCode = shift;
print STDERR _g("Internal error: ") if $errCode == $ERR_INTERNAL;
print STDERR _g("Database error: ") if $errCode == $ERR_DATABASE;
printf STDERR ((shift) . "\n", @_);
if ($on_fatal_handler and $errCode != $ERR_DATABASE)
{
Debug(_g("Running fatal errors handler."));
my $handler = $on_fatal_handler;
$on_fatal_handler = undef;
$handler->();
}
exit ($errCode);
} # }}}
{ # Signal handling routines - IgnoreSignals, RestoreSignals, SetupSignals # {{{
sub _SigHandler { # {{{
Fatal($ERR_PROCESSING, _g("Signal %s received, terminating."), shift);
} # }}}
our %sigactions = ('ignore_cnt' => 0);
sub _IgnoreRestoreSignals($) { # {{{
my $mode = shift;
my $ign_cnt = undef;
if ($mode eq "ignore") {
$ign_cnt = $sigactions{'ignore_cnt'}++;
Debug(_g("Ignore signals."));
} elsif ($mode eq "restore") {
$ign_cnt = --$sigactions{'ignore_cnt'};
Debug(_g("Restore signals."));
} elsif ($mode eq "setup") {
Debug(_g("Setup signals."));
}
else {
Fatal($ERR_INTERNAL, _g("Invalid argument of IgnoreRestoreSignals(): %s."), $mode);
}
if ($mode ne "setup")
{
Fatal($ERR_INTERNAL, _g("Invalid counter (%d) in IgnoreRestoreSignals(%s)."), $ign_cnt, $mode)
if $ign_cnt < 0;
return unless $ign_cnt == 0;
}
foreach my $sig ('INT', 'QUIT', 'HUP', 'TSTP', 'TERM') {
if ($mode eq "ignore") {
$sigactions{$sig} = $SIG{$sig} if defined $SIG{$sig};
$SIG{$sig} = "IGNORE";
} elsif ($mode eq "restore") {
$SIG{$sig} = defined $sigactions{$sig} ? $sigactions{$sig} : "DEFAULT";
} elsif ($mode eq "setup") {
$SIG{$sig} = \&_SigHandler;
} else {
Fatal($ERR_INTERNAL, _g("Invalid argument of IgnoreRestoreSignals(): %s."), $mode);
}
}
} # }}}
sub IgnoreSignals() {
return _IgnoreRestoreSignals("ignore");
}
sub RestoreSignals() {
return _IgnoreRestoreSignals("restore");
}
sub SetupSignals() {
return _IgnoreRestoreSignals("setup");
}
} # }}}
sub ReadMap($$;$) { # {{{
my $file = shift;
my $map = shift;
my $defval = shift;
$defval = "" unless $defval;
open (MAP, "<", $file) or Fatal($ERR_FSACCESS, _g("Cannot open file `%s' for reading: %s."), $file, $!);
while(<MAP>) {
chomp;
next if /^\s*$/;
next if /^#/;
my ($lv,$rv) = split(/\s*:\s*/, $_, 2);
$map->{lc($lv)} = $rv ? $rv : $defval;
}
close(MAP);
} # }}}
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