909f1a2e51
Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/7767)
117 lines
4.3 KiB
Perl
117 lines
4.3 KiB
Perl
#! /usr/bin/env perl
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# -*- mode: Perl -*-
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# Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the Apache License 2.0 (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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use strict;
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use File::Spec::Functions qw(devnull);
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use OpenSSL::Test qw(:DEFAULT srctop_file bldtop_dir bldtop_file);
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use OpenSSL::Test::Utils;
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setup("test_symbol_presence");
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plan skip_all => "Only useful when building shared libraries"
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if disabled("shared");
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my @libnames = ("crypto", "ssl");
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my $testcount = scalar @libnames;
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plan tests => $testcount * 2;
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note
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"NOTE: developer test! It's possible that it won't run on your\n",
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"platform, and that's perfectly fine. This is mainly for developers\n",
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"on Unix to check that our shared libraries are consistent with the\n",
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"ordinals (util/*.num in the source tree), something that should be\n",
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"good enough a check for the other platforms as well.\n";
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foreach my $libname (@libnames) {
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SKIP:
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{
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my $shlibpath = bldtop_file("lib" . $libname . ".so");
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*OSTDERR = *STDERR;
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*OSTDOUT = *STDOUT;
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open STDERR, ">", devnull();
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open STDOUT, ">", devnull();
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my @nm_lines = map { s|\R$||; $_ } `nm -Pg $shlibpath 2> /dev/null`;
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close STDERR;
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close STDOUT;
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*STDERR = *OSTDERR;
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*STDOUT = *OSTDOUT;
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skip "Can't run 'nm -Pg $shlibpath' => $?... ignoring", 2
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unless $? == 0;
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my $bldtop = bldtop_dir();
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my @def_lines;
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indir $bldtop => sub {
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my $mkdefpath = srctop_file("util", "mkdef.pl");
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my $libnumpath = srctop_file("util", "lib$libname.num");
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@def_lines = map { s|\R$||; $_ } `$^X $mkdefpath --ordinals $libnumpath --name $libname --OS linux 2> /dev/null`;
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ok($? == 0, "running 'cd $bldtop; $^X $mkdefpath --ordinals $libnumpath --name $libname --OS linux' => $?");
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}, create => 0, cleanup => 0;
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note "Number of lines in \@nm_lines before massaging: ", scalar @nm_lines;
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note "Number of lines in \@def_lines before massaging: ", scalar @def_lines;
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# Massage the nm output to only contain defined symbols
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@nm_lines = sort map { s| .*||; $_ } grep(m|.* [BCDST] .*|, @nm_lines);
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# Massage the mkdef.pl output to only contain global symbols
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# The output we got is in Unix .map format, which has a global
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# and a local section. We're only interested in the global
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# section.
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my $in_global = 0;
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@def_lines =
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sort
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map { s|;||; s|\s+||g; $_ }
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grep { $in_global = 1 if m|global:|;
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$in_global = 0 if m|local:|;
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$in_global = 0 if m|\}|;
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$in_global && m|;|; } @def_lines;
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note "Number of lines in \@nm_lines after massaging: ", scalar @nm_lines;
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note "Number of lines in \@def_lines after massaging: ", scalar @def_lines;
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# Maintain lists of symbols that are missing in the shared library,
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# or that are extra.
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my @missing = ();
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my @extra = ();
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while (scalar @nm_lines || scalar @def_lines) {
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my $nm_first = $nm_lines[0];
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my $def_first = $def_lines[0];
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if (!defined($nm_first)) {
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push @missing, shift @def_lines;
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} elsif (!defined($def_first)) {
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push @extra, shift @nm_lines;
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} elsif ($nm_first gt $def_first) {
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push @missing, shift @def_lines;
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} elsif ($nm_first lt $def_first) {
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push @extra, shift @nm_lines;
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} else {
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shift @def_lines;
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shift @nm_lines;
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}
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}
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if (scalar @missing) {
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note "The following symbols are missing in lib$libname.so:";
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foreach (@missing) {
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note " $_";
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}
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}
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if (scalar @extra) {
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note "The following symbols are extra in lib$libname.so:";
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foreach (@extra) {
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note " $_";
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}
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}
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ok(scalar @missing == 0,
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"check that there are no missing symbols in lib$libname.so");
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}
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}
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