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Member "openssl-1.1.1b/test/recipes/01-test_symbol_presence.t" (26 Feb 2019, 4249 Bytes) of package /linux/misc/openssl-1.1.1b.tar.gz:


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    1 #! /usr/bin/env perl
    2 # -*- mode: Perl -*-
    3 # Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
    4 #
    5 # Licensed under the OpenSSL license (the "License").  You may not use
    6 # this file except in compliance with the License.  You can obtain a copy
    7 # in the file LICENSE in the source distribution or at
    8 # https://www.openssl.org/source/license.html
    9 
   10 use strict;
   11 use File::Spec::Functions qw(devnull);
   12 use OpenSSL::Test qw(:DEFAULT srctop_file bldtop_dir bldtop_file);
   13 use OpenSSL::Test::Utils;
   14 
   15 setup("test_symbol_presence");
   16 
   17 plan skip_all => "Only useful when building shared libraries"
   18     if disabled("shared");
   19 
   20 my @libnames = ("crypto", "ssl");
   21 my $testcount = scalar @libnames;
   22 
   23 plan tests => $testcount * 2;
   24 
   25 note
   26     "NOTE: developer test!  It's possible that it won't run on your\n",
   27     "platform, and that's perfectly fine.  This is mainly for developers\n",
   28     "on Unix to check that our shared libraries are consistent with the\n",
   29     "ordinals (util/*.num in the source tree), something that should be\n",
   30     "good enough a check for the other platforms as well.\n";
   31 
   32 foreach my $libname (@libnames) {
   33  SKIP:
   34     {
   35         my $shlibpath = bldtop_file("lib" . $libname . ".so");
   36         *OSTDERR = *STDERR;
   37         *OSTDOUT = *STDOUT;
   38         open STDERR, ">", devnull();
   39         open STDOUT, ">", devnull();
   40         my @nm_lines = map { s|\R$||; $_ } `nm -Pg $shlibpath 2> /dev/null`;
   41         close STDERR;
   42         close STDOUT;
   43         *STDERR = *OSTDERR;
   44         *STDOUT = *OSTDOUT;
   45         skip "Can't run 'nm -Pg $shlibpath' => $?...  ignoring", 2
   46             unless $? == 0;
   47 
   48         my $bldtop = bldtop_dir();
   49         my @def_lines;
   50         indir $bldtop => sub {
   51             my $mkdefpath = srctop_file("util", "mkdef.pl");
   52             @def_lines = map { s|\R$||; $_ } `$^X $mkdefpath $libname linux 2> /dev/null`;
   53             ok($? == 0, "running 'cd $bldtop; $^X $mkdefpath $libname linux' => $?");
   54         }, create => 0, cleanup => 0;
   55 
   56         note "Number of lines in \@nm_lines before massaging: ", scalar @nm_lines;
   57         note "Number of lines in \@def_lines before massaging: ", scalar @def_lines;
   58 
   59         # Massage the nm output to only contain defined symbols
   60         @nm_lines = sort map { s| .*||; $_ } grep(m|.* [BCDST] .*|, @nm_lines);
   61 
   62         # Massage the mkdef.pl output to only contain global symbols
   63         # The output we got is in Unix .map format, which has a global
   64         # and a local section.  We're only interested in the global
   65         # section.
   66         my $in_global = 0;
   67         @def_lines =
   68             sort
   69             map { s|;||; s|\s+||g; $_ }
   70             grep { $in_global = 1 if m|global:|;
   71                    $in_global = 0 if m|local:|;
   72                    $in_global = 0 if m|\}|;
   73                    $in_global && m|;|; } @def_lines;
   74 
   75         note "Number of lines in \@nm_lines after massaging: ", scalar @nm_lines;
   76         note "Number of lines in \@def_lines after massaging: ", scalar @def_lines;
   77 
   78         # Maintain lists of symbols that are missing in the shared library,
   79         # or that are extra.
   80         my @missing = ();
   81         my @extra = ();
   82 
   83         while (scalar @nm_lines || scalar @def_lines) {
   84             my $nm_first = $nm_lines[0];
   85             my $def_first = $def_lines[0];
   86 
   87             if (!defined($nm_first)) {
   88                 push @missing, shift @def_lines;
   89             } elsif (!defined($def_first)) {
   90                 push @extra, shift @nm_lines;
   91             } elsif ($nm_first gt $def_first) {
   92                 push @missing, shift @def_lines;
   93             } elsif ($nm_first lt $def_first) {
   94                 push @extra, shift @nm_lines;
   95             } else {
   96                 shift @def_lines;
   97                 shift @nm_lines;
   98             }
   99         }
  100 
  101         if (scalar @missing) {
  102             note "The following symbols are missing in lib$libname.so:";
  103             foreach (@missing) {
  104                 note "  $_";
  105             }
  106         }
  107         if (scalar @extra) {
  108             note "The following symbols are extra in lib$libname.so:";
  109             foreach (@extra) {
  110                 note "  $_";
  111             }
  112         }
  113         ok(scalar @missing == 0,
  114            "check that there are no missing symbols in lib$libname.so");
  115     }
  116 }