--- /dev/null
+# binaries -- lintian check script -*- perl -*-
+
+# Copyright (C) 1998 Christian Schwarz and Richard Braakman
+#
+# 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::binaries;
+use strict;
+use Tags;
+use Util;
+
+use File::Spec;
+
+sub run {
+
+my $pkg = shift;
+my $type = shift;
+
+my $arch;
+my $dynsyms = 0;
+my $needs_libc = '';
+my $needs_libc_file;
+my $needs_libc_count = 0;
+my $needs_depends_line = 0;
+my $has_perl_lib = 0;
+
+my %COMMENT;
+my %NOTE;
+my %RPATH;
+my %NEEDED;
+my %CXXABI;
+my %OCAML;
+my %SONAME;
+my %KLIBC;
+
+# read architecture file
+if (open(IN, '<', "fields/architecture")) {
+ chop($arch = <IN>);
+ close(IN);
+}
+
+my $file;
+
+# read data from objdump-info file
+open(IN, '<', "objdump-info")
+ or fail("cannot find objdump-info for $type package $pkg");
+while (<IN>) {
+ chop;
+
+ next if m/^\s*$/o;
+
+ if (m/^-- (\S+)\s*$/o) {
+ $file = $1;
+ $dynsyms = 0;
+ } elsif ($dynsyms) {
+ # The .*? near the end is added because a number of optional fields
+ # might be printed. The symbol name should be the last word.
+ if (m/^[0-9a-fA-F]+.{6}\w\w?\s+(\S+)\s+[0-9a-zA-Z]+\s+(\S+)\s+(\S+)$/){
+ my ($foo, $sec, $sym) = ($1, $2, $3);
+ if ($arch ne 'hppa') {
+ if ($foo eq '.text' and $sec eq 'Base' and
+ $sym eq '__gmon_start__') {
+ tag "binary-compiled-with-profiling-enabled", "$file";
+ }
+ } else {
+ if ( ($sec =~ /^GLIBC_.*/) and ($sym eq '_mcount') ) {
+ tag "binary-compiled-with-profiling-enabled", "$file";
+ }
+ }
+
+ if ($foo eq '.text' and $sec eq 'Base' and $sym eq 'caml_main') {
+ $OCAML{$file} = 1;
+ }
+ }
+ } else {
+ if (m/^\s*NEEDED\s*(\S+)/o) {
+ push @{$NEEDED{$file}}, $1;
+ } elsif (m/^\s*RPATH\s*(\S+)/o) {
+ foreach (split m/:/, $1) {
+ $RPATH{$file}{$_}++;
+ }
+ } elsif (m/^\s*SONAME\s*(\S+)/o) {
+ $SONAME{$1} ||= [];
+ push @{$SONAME{$1}}, $file;
+ } elsif (m/^\s*\d+\s+\.comment\s+/o) {
+ $COMMENT{$file} = 1;
+ } elsif (m/^\s*\d+\s+\.note\s+/o) {
+ $NOTE{$file} = 1;
+ } elsif (m/^DYNAMIC SYMBOL TABLE:/) {
+ $dynsyms = 1;
+ } elsif (m/^objdump: (.*?): File format not recognized$/) {
+ tag "apparently-corrupted-elf-binary", "$file";
+ } elsif (m/^objdump: \.(.*?): Packed with UPX$/) {
+ tag "binary-file-compressed-with-upx", "$file";
+ } elsif (m/objdump: \.(.*?): Invalid operation$/) {
+ # Don't anchor this regex since it can be interspersed with other
+ # output and hence not on the beginning of a line.
+ tag "binary-with-bad-dynamic-table", "$file" unless $file =~ m%^\./usr/lib/debug/%;
+ } elsif (m/CXXABI/) {
+ $CXXABI{$file} = 1;
+ } elsif (m%Requesting program interpreter:\s+/lib/klibc-\S+\.so%) {
+ $KLIBC{$file} = 1;
+ }
+ }
+}
+close(IN);
+
+# For the package naming check, filter out SONAMEs where all the files are at
+# paths other than /lib, /usr/lib, or /usr/X11R6/lib. This avoids false
+# positives with plugins like Apache modules, which may have their own SONAMEs
+# but which don't matter for the purposes of this check. Also filter out
+# nsswitch modules
+sub lib_soname_path {
+ my (@paths) = @_;
+ foreach my $path (@paths) {
+ next if $path =~ m%^(\.?/)?lib/libnss_[^.]+\.so(\.[0-9]+)$%;
+ return 1 if $path =~ m%^(\.?/)?lib/[^/]+$%;
+ return 1 if $path =~ m%^(\.?/)?usr/lib/[^/]+$%;
+ return 1 if $path =~ m%^(\.?/)?usr/X11R6/lib/[^/]+$%;
+ }
+ return 0;
+}
+my @sonames = sort grep { lib_soname_path (@{$SONAME{$_}}) } keys %SONAME;
+
+# try to identify transition strings
+my $base_pkg = $pkg;
+$base_pkg =~ s/c102\b//o;
+$base_pkg =~ s/c2a?\b//o;
+$base_pkg =~ s/\dg$//o;
+$base_pkg =~ s/gf$//o;
+$base_pkg =~ s/-udeb$//o;
+$base_pkg =~ s/^lib64/lib/o;
+
+my $match_found = 0;
+foreach my $expected_name (@sonames) {
+ $expected_name =~ s/([0-9])\.so\./$1-/;
+ $expected_name =~ s/\.so(\.|\z)//;
+ $expected_name =~ s/_/-/g;
+
+ if ((lc($expected_name) eq $pkg)
+ || (lc($expected_name) eq $base_pkg)) {
+ $match_found = 1;
+ last;
+ }
+}
+
+tag "package-name-doesnt-match-sonames", "@sonames"
+ if @sonames && !$match_found;
+
+my %directories;
+open(IN, '<', "index") or fail("cannot open index file index: $!");
+while (<IN>) {
+ chomp;
+ next unless /^[dl]/;
+ my $dir = (split(' ', $_, 6))[-1];
+ $dir =~ s,^\./,/,;
+ $dir =~ s,/+$,,;
+ $dir =~ s/ link to .*//;
+ $dir =~ s/ -> .*//;
+
+ $directories{$dir}++;
+}
+close IN;
+
+# process all files in package
+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,$2);
+
+ # binary or object file?
+ next unless ($info =~ m/^[^,]*\bELF\b/) or ($info =~ m/\bcurrent ar archive\b/);
+
+ # Warn about Architecture: all packages that contain shared libraries, but
+ # only if those libraries aren't installed in a multiarch directory. The
+ # package may be a support package for cross-compiles.
+ if ($arch eq 'all') {
+ my ($arch) = ($file =~ m,^\./(?:usr/)?lib/([^/]+)/,);
+ my $multiarch = Lintian::Data->new('binaries/multiarch');
+ unless ($arch and $multiarch->known($arch)) {
+ tag "arch-independent-package-contains-binary-or-object", "$file";
+ }
+ }
+
+ # ELF?
+ next unless $info =~ m/^[^,]*\bELF\b/o;
+
+ if ($file =~ m,^\./etc/,) {
+ tag "binary-in-etc", "$file";
+ }
+
+ if ($file =~ m,^\./usr/share/,) {
+ tag "arch-dependent-file-in-usr-share", "$file";
+ }
+
+ # stripped?
+ if ($info =~ m,not stripped\s*$,o) {
+ # Is it an object file (which generally can not be stripped),
+ # a kernel module, debugging symbols, or perhaps a debugging package?
+ # Ocaml executables are exempted, see #252695
+ unless ($file =~ m,\.k?o$, or $pkg =~ m/-dbg$/ or $pkg =~ m/debug/
+ or $file =~ m,/lib/debug/, or exists $OCAML{$file}) {
+ tag "unstripped-binary-or-object", "$file";
+ }
+ } else {
+ # stripped but a debug or profiling library?
+ if (($file =~ m,/lib/debug/,o) or ($file =~ m,/lib/profile/,o)) {
+ tag "library-in-debug-or-profile-should-not-be-stripped", "$file";
+ } else {
+ # appropriately stripped, but is it stripped enough?
+ if (exists $NOTE{$file}) {
+ tag "binary-has-unneeded-section", "$file .note";
+ }
+ if (exists $COMMENT{$file}) {
+ tag "binary-has-unneeded-section", "$file .comment";
+ }
+ }
+ }
+
+ # rpath is disallowed, except in private directories
+ if (exists $RPATH{$file}) {
+ foreach my $rpath (map {File::Spec->canonpath($_)} keys %{$RPATH{$file}}) {
+ next if $rpath =~ m,^/usr/lib/(games/)?\Q$pkg\E(?:/|\z),;
+ next if $rpath =~ m,^\$ORIGIN$,;
+ next if $directories{$rpath};
+ tag "binary-or-shlib-defines-rpath", "$file $rpath";
+ }
+ }
+
+ # binary or shared object?
+ next unless ($info =~ m/executable/) or ($info =~ m/shared object/);
+ next if $type eq 'udeb';
+
+ # Perl library?
+ if ($file =~ m,^\./usr/lib/perl5/.*\.so$,) {
+ $has_perl_lib = 1;
+ }
+
+ # Something other than detached debugging symbols in /usr/lib/debug paths.
+ if ($file =~ m,^\./usr/lib/debug/(lib\d*|s?bin|usr|opt|dev|emul)/,) {
+ if (exists($NEEDED{$file})) {
+ tag "debug-file-should-use-detached-symbols", $file;
+ }
+ }
+
+ # statically linked?
+ if (!exists($NEEDED{$file}) || !defined($NEEDED{$file})) {
+ if ($info =~ m/shared object/o) {
+ # Some exceptions: detached debugging information and the dynamic
+ # loader (which itself has no dependencies).
+ next if ($file =~ m%^\./usr/lib/debug/%);
+ next if ($file =~ m%^\./lib/(?:[\w/]+/)?ld-[\d.]+\.so$%);
+ tag "shared-lib-without-dependency-information", "$file";
+ } else {
+ # Some exceptions: files in /boot, /usr/lib/debug/*, named *-static or
+ # *.static, or *-static as package-name.
+ next if ($file =~ m%^./boot/%);
+ # klibc binaries appear to be static.
+ next if ($KLIBC{$file});
+ # Location of debugging symbols:
+ next if ($file =~ m%^./usr/lib/debug/%);
+ next if ($file =~ /(\.|-)static$/);
+ next if ($pkg =~ /-static$/);
+ tag "statically-linked-binary", "$file";
+ }
+ } else {
+ my $lib;
+ my $no_libc = 1;
+ $needs_depends_line = 1;
+ for $lib (@{$NEEDED{$file}}) {
+ if ($lib =~ /^libc\.so\.(\d+.*)/) {
+ $needs_libc = "libc$1";
+ $needs_libc_file = $file unless $needs_libc_file;
+ $needs_libc_count++;
+ $no_libc = 0;
+ }
+ }
+ if ($no_libc and not $file =~ m,/libc\b,) {
+ if ($info =~ m/shared object/) {
+ tag "library-not-linked-against-libc", "$file";
+ } else {
+ tag "program-not-linked-against-libc", "$file";
+ }
+ }
+ }
+}
+close(IN);
+
+# Find the package dependencies, which is used by various checks.
+my $depends = '';
+if (-f 'fields/pre-depends') {
+ $depends = slurp_entire_file('fields/pre-depends');
+}
+if (-f 'fields/depends') {
+ $depends .= ', ' if $depends;
+ $depends .= slurp_entire_file('fields/depends');
+}
+$depends =~ s/\n/ /g;
+
+# Check for a libc dependency.
+if ($needs_depends_line) {
+ if ($depends && $needs_libc && $pkg !~ /^libc[\d.]+(-|\z)/) {
+ # Match libcXX or libcXX-*, but not libc3p0.
+ my $re = qr/(?:^|,)\s*\Q$needs_libc\E\b/o;
+ if ($depends !~ /$re/) {
+ my $others = '';
+ $needs_libc_count--;
+ if ($needs_libc_count > 0) {
+ $others = " and $needs_libc_count others";
+ }
+ tag "missing-dependency-on-libc",
+ "needed by $needs_libc_file$others";
+ }
+ } elsif (!$depends) {
+ tag "missing-depends-line";
+ }
+}
+
+# Check for a Perl dependency.
+if ($has_perl_lib) {
+ my $re = qr/(?:^|,)\s*perlapi-[\d.]+(?:\s*\[[^\]]+\])?\s*(?:,|\z)/;
+ unless ($depends =~ /$re/) {
+ tag 'missing-dependency-on-perlapi';
+ }
+}
+
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: t
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl ts=8 sw=4
projects / maemian / blobdiff