--- /dev/null
+#!/usr/bin/perl -w
+# objdump-info -- maemian collection script
+
+# The original shell script version of this script is
+# Copyright (C) 1998 Christian Schwarz
+#
+# This version, including support for etch's binutils, is
+# Copyright (C) 2008 Adam D. Barratt
+#
+# 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.
+
+use strict;
+
+# Sanity check
+unless (-f "fields/package") {
+ print STDERR "error: collection script called in wrong directory!\n";
+ exit 2;
+}
+
+my $failed = 0;
+
+open (FILES, '<', "file-info")
+ or fail("cannot open file-info: $!");
+
+open (OUT, '>', "objdump-info")
+ or fail("cannot open objdump-info: $!");
+
+open(PIPE, '-|', "dpkg-query -W -f='\${Version}\n' binutils")
+ or fail("unable to run dpkg-query: $!");
+my $binutils_version = <PIPE>;
+chomp $binutils_version;
+close PIPE;
+
+chdir ("unpacked")
+ or fail ("unable to chdir to unpacked: $!\n");
+
+while (<FILES>) {
+ if (m/^(.+?):\s.*ELF/) {
+ my $bin = $1;
+
+ print OUT "-- $bin\n";
+
+ system("head $bin | grep -q 'packed.*with.*UPX'");
+ print OUT "objdump: $bin: Packed with UPX" if $? == 0;
+
+ if (open(PIPE, '-|', "readelf -l $bin 2>&1")) {
+ local $/;
+ local $_ = <PIPE>;
+ print OUT $_;
+ close PIPE;
+ }
+
+ system("objdump -T $bin >/dev/null 2>&1");
+ if ($? == 0) {
+ # Seems happy so slurp the full output
+ if (open(PIPE, '-|', "objdump --headers --private-headers -T $bin 2>&1")) {
+ local $/;
+ local $_ = <PIPE>;
+ print OUT $_;
+ close PIPE;
+ }
+ } else {
+ $failed = 1;
+ my $invalidop = 0;
+ my $objdumpout = '';
+ if (open(PIPE, '-|', "objdump --headers --private-headers -T $bin 2>&1")) {
+ while(<PIPE>) {
+ $objdumpout .= $_;
+ if (m/Invalid operation$/) {
+ $invalidop = 1;
+ $failed = 0;
+ } elsif (m/File format not recognized$/) {
+ $failed = 0;
+ } elsif (m/File truncated$/) {
+ $failed = 0;
+ }
+ }
+ close PIPE;
+ }
+
+ last if $failed;
+
+ if ($invalidop or $binutils_version !~ m/^2\.17/) {
+ # If we're using a binutils newer than etch's then either
+ # "invalid operation" or "file format not recognized"
+ # are simply passed through to the checks scripts
+ # which handle the output themselves
+ #
+ # If objdump returned "invalid operation" and we are
+ # using etch's binutils then the readelf code will tend
+ # to produce false positives so we just return the
+ # objdump output and let the scripts handle it
+
+ print OUT $objdumpout;
+ } elsif (system("readelf -l $bin 2>&1 | grep -q 'Error: Not an ELF file'") == 0) {
+ print OUT "objdump: $bin: File format not recognized\n";
+ } else {
+ # We're using etch's binutils so attempt to build an output
+ # file in the expected format without using objdump; we lose
+ # some data but none that our later checks actually use
+
+ my @sections;
+ my @symbol_versions;
+
+ if (open(PIPE, '-|', "readelf -W -l -t -d -V $bin")) {
+ my $section = '';
+ my %program_headers;
+
+ while(<PIPE>) {
+ chomp;
+ if (m/^Program Headers:/) {
+ $section = 'PH';
+ print OUT "$_\n";
+ } elsif (m/^Section Headers:/) {
+ $section = 'SH';
+ print OUT "$_\n";
+ } elsif (m/^Dynamic section at offset .*:/) {
+ $section = 'DS';
+ print OUT "$_\n";
+ } elsif (m/^Version symbols section /) {
+ $section = 'VS';
+ } elsif (m/^\s*$/) {
+ $section = '';
+ } elsif (m/^\s*(\S+)\s*(?:(?:\S+\s+){4})\S+\s(...)/
+ and $section eq 'PH') {
+ my ($header, $flags) = ($1, $2);
+ $header =~ s/^GNU_//g;
+ next if $header eq 'Type';
+
+ my $newflags = '';
+ $newflags .= ($flags =~ m/R/) ? 'r' : '-';
+ $newflags .= ($flags =~ m/W/) ? 'w' : '-';
+ $newflags .= ($flags =~ m/E/) ? 'x' : '-';
+
+ $program_headers{$header} = $newflags;
+
+ print OUT " $header off 0x0 X 0x0 X 0x0\n flags $newflags\n";
+ } elsif (m/^\s*\[(\d+)\]\s*(\S+)(?:\s|\Z)/
+ and $section eq 'SH') {
+ $sections[$1] = $2;
+ } elsif (m/^\s*0x(?:[0-9A-F]+)\s+\((.*?)\)\s+(\S.*)\Z/i
+ and $section eq 'DS') {
+ my ($type, $value) = ($1, $2);
+
+ $value =~ s/^(?:Shared library|Library soname): \[(.*)\]/$1/;
+ print OUT " $type $value\n";
+ } elsif (m/^\s*[0-9A-F]+:\s+(\S+)\s*(?:\((\S+)\))?(\s|\Z)/i
+ and $section eq 'VS') {
+ while (m/([0-9A-F]+h?)\s*(?:\((\S+)\))?(\s|\Z)/gci) {
+ my ($vernum, $verstring) = ($1, $2);
+ $verstring ||= '';
+ if ($vernum =~ m/h$/) {
+ $verstring = "($verstring)";
+ }
+ push @symbol_versions, $verstring;
+ }
+ } elsif (m/^There is no dynamic section in this file/
+ and exists $program_headers{DYNAMIC}) {
+ # The headers declare a dynamic section but it's
+ # empty. Generate the same error as objdump,
+ # the checks scripts special-case the string.
+ print OUT "\n\nobjdump: $bin: Invalid operation\n";
+ }
+ }
+ close PIPE;
+ }
+
+ if (open(PIPE, '-|', "readelf -W -s -D $bin")) {
+ print OUT "DYNAMIC SYMBOL TABLE:\n";
+
+ while(<PIPE>) {
+ last if m/^Symbol table of/;
+
+ if (m/^\s*(\d+)\s+\d+:\s*[0-9a-f]+\s+\d+\s+(?:(?:\S+\s+){3})(\S+)\s+(.*)\Z/) {
+ my ($symnum, $seg, $sym, $ver) = ($1, $2, $3, '');
+
+ if ($sym =~ m/^(.*)@(.*)$/) {
+ $sym = $1;
+ $ver = $2;
+ } elsif (@symbol_versions == 0) {
+ # No versioned symbols...
+ $ver = '';
+ } else {
+ $ver = $symbol_versions[$symnum];
+
+ if ($ver eq '*local*' or $ver eq '*global*') {
+ if ($seg eq 'UND') {
+ $ver = ' ';
+ } else {
+ $ver = 'Base';
+ }
+ } elsif ($ver eq '()') {
+ $ver = '(Base)';
+ }
+ }
+
+ if ($seg =~ m/^\d+$/ and defined $sections[$seg]) {
+ $seg = $sections[$seg];
+ }
+
+ print OUT "00 XX $seg 000000 $ver $sym\n";
+ }
+ }
+
+ close PIPE;
+ }
+ }
+ }
+ }
+}
+
+close FILES;
+close OUT;
+
+exit $failed;
+
+sub fail {
+ if ($_[0]) {
+ print STDERR "internal error: $_[0]\n";
+ } elsif ($!) {
+ print STDERR "internal error: $!\n";
+ } else {
+ print STDERR "internal error.\n";
+ }
+ exit 1;
+}
projects / maemian / blobdiff