--- /dev/null
+# manpages -- lintian check script -*- perl -*-
+
+# Copyright (C) 1998 Christian Schwarz
+#
+# 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, you can find it on the World Wide
+# Web at http://www.gnu.org/copyleft/gpl.html, or write to the Free
+# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+package Lintian::manpages;
+use strict;
+use Dep;
+use Tags;
+use Util;
+
+# Set to true if the man program supports --warnings based on its version
+# number. This is probed if this variable is undefined and set to 0 or 1.
+our $MAN_WARNINGS;
+
+sub run {
+
+my $pkg = shift;
+my $type = shift;
+
+use File::Basename;
+
+my %file_info;
+my %binary;
+my %link;
+# my %sect_by_binary;
+# my %sect_by_manpage;
+my %manpage;
+
+# Read file info...
+open(IN, '<', "file-info")
+ or fail("cannot find file-info for $type package $pkg");
+while (<IN>) {
+ chop;
+
+ m/^(.*?):\s+(.*)$/o or fail("an error in the file pkg is preventing lintian from checking this package: $_");
+ my ($file,$info) = ($1,$2);
+
+ next unless $file =~ m/man/o;
+ $file =~ s,^(\./)?,,;
+
+ $file_info{$file} = $info;
+}
+close(IN);
+
+# Read package contents...
+open(IN, '<', "index") or fail("cannot open index file index: $!");
+while (<IN>) {
+ chop;
+
+ my ($perm,$owner,$size,$date,$time,$file) = split(' ', $_, 6);
+ my $link;
+
+ $file =~ s,^(\./),,;
+ $file =~ s/ link to .*//;
+
+ if ($perm =~ m/^l/) {
+ ($file, $link) = split(' -> ', $file);
+ }
+
+ my ($fname,$path,$suffix) = fileparse($file);
+
+ # Binary that wants a manual page?
+ #
+ # It's tempting to check the section of the man page depending on the
+ # location of the binary, but there are too many mismatches between
+ # bin/sbin and 1/8 that it's not clear it's the right thing to do.
+ if (($perm =~ m,^[\-l],o) and
+ (($path =~ m,^bin/$,o) or
+ ($path =~ m,^sbin/$,o) or
+ ($path =~ m,^usr/bin/$,o) or
+ ($path =~ m,^usr/bin/X11/$,o) or
+ ($path =~ m,^usr/bin/mh/$,o) or
+ ($path =~ m,^usr/sbin/$,o) or
+ ($path =~ m,^usr/games/$,o) or
+ ($path =~ m,^usr/X11R6/bin/$,o) )) {
+
+ my $bin = $fname;
+
+ $binary{$bin} = $file;
+ $link{$bin} = $link if $link;
+
+ next;
+ }
+
+ if (($path =~ m,usr/(share|X11R6)/man/$,) and ($fname ne "")) {
+ tag "manpage-in-wrong-directory", "$file";
+ next;
+ }
+
+ # manual page?
+ next unless ($perm =~ m,^[\-l],o) and
+ (($path =~ m,^usr/man(/\S+),o)
+ or ($path =~ m,^usr/X11R6/man(/\S+),o)
+ or ($path =~ m,^usr/share/man(/\S+),o) );
+
+ my $t = $1;
+ if (not $t =~ m,^.*man(\d)/$,o) {
+ tag "manpage-in-wrong-directory", "$file";
+ next;
+ }
+ my ($section,$name) = ($1,$fname);
+ my $lang = "";
+ $lang = $1 if $t =~ m,^/([^/]+)/man\d/$,o;
+
+ # The country should not be part of the man page locale directory unless
+ # it's one of the known cases where the language is significantly
+ # different between countries.
+ if ($lang =~ /_/ && $lang !~ /^(pt_BR|zh_[A-Z][A-Z])$/) {
+ tag "manpage-locale-dir-country-specific", "$file";
+ }
+
+ my @pieces = split(/\./, $name);
+ my $ext = pop @pieces;
+ if ($ext ne 'gz') {
+ push @pieces, $ext;
+ tag "manpage-not-compressed", "$file";
+ } elsif ($perm =~ m,^-,o) { # so it's .gz... files first; links later
+ my $info = $file_info{$file};
+ if ($info !~ m/gzip compressed data/o) {
+ tag "manpage-not-compressed-with-gzip", "$file";
+ } elsif ($info !~ m/max compression/o) {
+ tag "manpage-not-compressed-with-max-compression", "$file";
+ }
+ }
+ my $fn_section = pop @pieces;
+ my $section_num = $fn_section;
+ if (scalar @pieces && $section_num =~ s/^(\d).*$/$1/) {
+ my $bin = join(".", @pieces);
+ $manpage{$bin} = [] unless $manpage{$bin};
+ push @{$manpage{$bin}}, { file => $file, lang => $lang };
+
+ # number of directory and manpage extension equal?
+ if ($section_num != $section) {
+ tag "manpage-in-wrong-directory", "$file";
+ }
+ } else {
+ tag "manpage-has-wrong-extension", "$file";
+ }
+
+ # special check for manual pages for X11 games
+ if ($path =~ m,^usr/X11R6/man/man6/,o) {
+ tag "x11-games-should-be-in-usr-games", "$file";
+ }
+
+ # check symbolic links to other manual pages
+ if ($perm =~ m,^l,o) {
+ if ($link =~ m,(^|/)undocumented,o) {
+ if ($path =~ m,^usr/share/man,o) {
+ # undocumented link in /usr/share/man -- possibilities
+ # undocumented... (if in the appropriate section)
+ # ../man?/undocumented...
+ # ../../man/man?/undocumented...
+ # ../../../share/man/man?/undocumented...
+ # ../../../../usr/share/man/man?/undocumented...
+ if ((($link =~ m,^undocumented\.([237])\.gz,o) and
+ ($path =~ m,^usr/share/man/man$1,)) or
+ ($link =~ m,^\.\./man[237]/undocumented\.[237]\.gz$,o) or
+ ($link =~ m,^\.\./\.\./man/man[237]/undocumented\.[237]\.gz$,o) or
+ ($link =~ m,^\.\./\.\./\.\./share/man/man[237]/undocumented\.[237]\.gz$,o) or
+ ($link =~ m,^\.\./\.\./\.\./\.\./usr/share/man/man[237]/undocumented\.[237]\.gz$,o)) {
+ tag "link-to-undocumented-manpage", "$file";
+ } else {
+ tag "bad-link-to-undocumented-manpage", "$file";
+ }
+ } else {
+ # undocumented link in /usr/X11R6/man -- possibilities:
+ # ../../../share/man/man?/undocumented...
+ # ../../../../usr/share/man/man?/undocumented...
+ if (($link =~ m,^\.\./\.\./\.\./share/man/man[237]/undocumented\.[237]\.gz$,o) or
+ ($link =~ m,^\.\./\.\./\.\./\.\./usr/share/man/man[237]/undocumented\.[237]\.gz$,o)) {
+ tag "link-to-undocumented-manpage", "$file";
+ } else {
+ tag "bad-link-to-undocumented-manpage", "$file";
+ }
+ }
+ }
+ } else { # not a symlink
+ open (MANFILE, '-|', "zcat unpacked/\Q$file\E 2>/dev/null")
+ or fail("cannot open $file: $!");
+ my @manfile = ();
+ while (<MANFILE>) { push @manfile, $_; }
+ close MANFILE;
+ # Is it a .so link?
+ if ($size < 256) {
+ my ($i, $first) = (0, "");
+ do {
+ $first = $manfile[$i++] || "";
+ } while ($first =~ /^\.\\"/ && $manfile[$i]); #");
+
+ unless ($first) {
+ tag "empty-manual-page", "$file";
+ } elsif ($first =~ /^\.so\s+(.+)?$/) {
+ my $dest = $1;
+ if ($dest =~ m,^([^/]+)/(.+)$,) {
+ my ($manxorlang, $rest) = ($1, $2);
+ if ($manxorlang !~ /^man\d+$/) {
+ # then it's likely a language subdir, so let's run
+ # the other component through the same check
+ if ($rest =~ m,^([^/]+)/(.+)$,) {
+ my ($lang, $rest) = ($1, $2);
+ if ($rest !~ m,^[^/]+\.\d(?:\S+)?(?:\.gz)?$,) {
+ tag "bad-so-link-within-manual-page", "$file";
+ }
+ } else {
+ tag "bad-so-link-within-manual-page", "$file";
+ }
+ }
+ } else {
+ tag "bad-so-link-within-manual-page", "$file";
+ }
+ next;
+ }
+ }
+
+ # If it's not a .so link, use lexgrog to find out if the man page
+ # parses correctly and make sure the short description is reasonable.
+ #
+ # This check is currently not applied to pages in language-specific
+ # hierarchies, because those pages are not currently scanned by
+ # mandb (bug #29448), and because lexgrog can't handle pages in all
+ # languages at the moment, leading to huge numbers of false
+ # negatives. When man-db is fixed, this limitation should be
+ # removed.
+ if ($path =~ m,/man/man\d/,) {
+ my $pid = open LEXGROG, '-|';
+ if (not defined $pid) {
+ fail("cannot run lexgrog: $!");
+ } elsif ($pid == 0) {
+ my %newenv = (LANG => 'C', PATH => $ENV{PATH});
+ undef %ENV;
+ %ENV = %newenv;
+ exec "lexgrog unpacked/\Q$file\E 2>&1"
+ or fail("cannot run lexgrog: $!");
+ }
+ my $desc = <LEXGROG>;
+ $desc =~ s/^[^:]+: \"(.*)\"$/$1/;
+ if ($desc =~ /(\S+)\s+-\s+manual page for \1/i) {
+ tag "manpage-has-useless-whatis-entry", "$file";
+ } elsif ($desc =~ /(\S+)\s+-\s+programs? to do something/i) {
+ tag "manpage-is-dh_make-template", "$file";
+ }
+ 1 while <LEXGROG>;
+ close LEXGROG;
+ tag "manpage-has-bad-whatis-entry", "$file" if $? != 0;
+ }
+
+ # If we've not probed yet, determine if man supports --warnings.
+ # This can be removed once man 2.5.1 makes it to testing.
+ unless (defined $MAN_WARNINGS) {
+ my $version = `man -V 2>&1`;
+ if ($? == 0 && $version =~ / (\d+\.[\d.]+)(,|\Z)/) {
+ $MAN_WARNINGS = Dep::versions_gte($1, '2.5.1');
+ } else {
+ $MAN_WARNINGS = 0;
+ }
+ }
+
+ # If it's not a .so link, run it through "man" to check for errors.
+ # If it is in a directory with the standard man layout, cd to the
+ # parent directory before running man so that .so directives are
+ # processed properly. (Yes, there are man pages that include other
+ # pages with .so but aren't simple links; rbash, for instance.)
+ my $cmd;
+ my $warnings = $MAN_WARNINGS ? ' --warnings' : '';
+ if ($file =~ m,^(.*)/(man\d/.*)$,) {
+ $cmd = "cd unpacked/\Q$1\E && man$warnings -l \Q$2\E";
+ } else {
+ $cmd = "man$warnings -l unpacked/\Q$file\E";
+ }
+ my $pid = open MANERRS, '-|';
+ if (not defined $pid) {
+ fail("cannot run man -l: $!");
+ } elsif ($pid == 0) {
+ my %newenv = (LANG => 'C', PATH => $ENV{PATH});
+ undef %ENV;
+ %ENV = %newenv;
+ exec "($cmd >/dev/null) 2>&1"
+ or fail("cannot run man -l: $!");
+ }
+ while (<MANERRS>) {
+ # ignore progress information from man
+ next if /^Reformatting/;
+ next if /^\s*$/;
+ # ignore errors from gzip, will be dealt with at other places
+ next if /^(man|gzip)/;
+ # ignore wrapping failures for Asian man pages (groff problem)
+ if ($lang =~ /^(?:ja|ko|zh)/) {
+ next if /warning \[.*\]: cannot adjust line/;
+ next if /warning \[.*\]: can\'t break line/;
+ }
+ # ignore charset issues with old versions of man for all man pages
+ # since we can't know, with old versions, whether that was just a
+ # Unicode issue
+ if (!$MAN_WARNINGS and
+ (m/warning: can\'t find numbered character/
+ or m/a magic token is not allowed in a name/
+ or m/name expected \(got a magic token\)/)) {
+ next;
+ }
+ # ignore common undefined macros from pod2man << Perl 5.10
+ next if /warning: \`(Tr|IX)\' not defined/;
+ chomp;
+ s/^[^:]+://o;
+ tag "manpage-has-errors-from-man", "$file", "$_";
+ last;
+ }
+ close(MANERRS);
+ # Now we search through the whole man page for some common errors
+ my $lc = 0;
+ my $hc = 0;
+ foreach my $line (@manfile) {
+ $lc++;
+ chomp $line;
+ next if $line =~ /^\.\\\"/o; # comments .\"
+ if ($line =~ /^\.TH\s/) { # header
+ require Text::ParseWords;
+ my ($th_command, $th_title, $th_section, $th_date ) =
+ Text::ParseWords::parse_line( '\s+', 0, $line);
+ if ($th_section && (lc($fn_section) ne lc($th_section))) {
+ tag "manpage-section-mismatch", "$file:$lc $fn_section != $th_section";
+ }
+ }
+ # Catch hyphens used as minus signs by looking for ones at the
+ # beginning of a word, but don't generate false positives on \s-1
+ # (small font), \*(-- (pod2man long dash), or things like \h'-1'.
+ if ($line =~ /^(
+ ([^\.].*)?
+ [\s\'\"\`\(\[]
+ (?<! \\s | \*\( | \(- | \w\' )
+ )?
+ (--?\w+)/ox) {
+ $hc++;
+ tag "hyphen-used-as-minus-sign", "$file:$lc" if $hc <= 10 or $ENV{'LINTIAN_DEBUG'};
+ }
+ if (($line =~ m,(/usr/(dict|doc|etc|info|man|adm|preserve)/),o)
+ || ($line =~ m,(/var/(adm|catman|named|nis|preserve)/),o)) {
+ # FSSTND dirs in man pages
+ # regexes taken from checks/files
+ tag "FSSTND-dir-in-manual-page", "$file:$lc $1";
+ }
+ }
+ tag "hyphen-used-as-minus-sign", $file, ($hc-10), "more occurrences not shown" if $hc > 10 and ! $ENV{'LINTIAN_DEBUG'};
+ }
+}
+close(IN);
+
+for my $f (sort keys %binary) {
+ if (exists $manpage{$f}) {
+ # X11 binary? This shouldn't happen any more; these are no longer
+ # allowed.
+ if ($binary{$f} =~ m,usr/X11R6, or
+ ($link{$f} && $link{$f} =~ m,(\.\.|usr)/X11R6,)) {
+ # yes. manpage in X11 too?
+ for my $manp_info (@{$manpage{$f}}) {
+ if ($manp_info->{file} =~ m/X11R6/) {
+ # ok.
+ } else {
+ tag "manpage-for-x11-binary-in-wrong-directory", "$binary{$f} $manp_info->{file}";
+ }
+ }
+ } else {
+ for my $manp_info (@{$manpage{$f}}) {
+ # no. manpage in X11?
+ if ($manp_info->{file} =~ m/X11R6/) {
+ tag "manpage-for-non-x11-binary-in-wrong-directory", "$binary{$f} $manp_info->{file}";
+ } else {
+ # ok.
+ }
+ }
+ }
+
+ if (not grep { $_->{lang} eq "" } @{$manpage{$f}}) {
+ tag "binary-without-english-manpage", "$binary{$f}";
+ }
+ } else {
+ tag "binary-without-manpage", "$binary{$f}";
+ }
+}
+
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: t
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 ts=8