# Build log hardening check, checks build logs for missing hardening flags.
-# Copyright (C) 2012-2023 Simon Ruderich
+# Copyright (C) 2012-2024 Simon Ruderich
#
# 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
my $cc_regex_normal = qr/
\b$cc_regex(?:\s|\\)
/x;
+my $rustc_regex = qr/
+ \brustc\b
+ /x;
# Regex to catch (GCC) compiler warnings.
my $warning_regex = qr/^(.+?):(\d+):\d+: warning: (.+?) \[(.+?)\]$/;
# Regex to catch libtool commands and not lines which show commands executed
# Expected (hardening) flags. All flags are used as regexps (and compiled to
# real regexps below for better execution speed).
my @def_cflags = (
- '-g',
+ '-g3?',
'-O(?:2|3)', # keep at index 1, search for @def_cflags_debug to change it
);
my @def_cflags_debug = (
# Renaming rules for the output so the regex parts are not visible. Also
# stores string values of flag regexps above, see compile_flag_regexp().
my %flag_renames = (
+ '-g3?' => '-g',
'-O(?:2|3)' => '-O2',
'-Wformat(?:=2)?' => '-Wformat',
'--param[= ]ssp-buffer-size=4' => '--param=ssp-buffer-size=4',
}
sub is_non_verbose_build {
- my ($line, $skip_ref, $input_ref, $line_offset, $line_count) = @_;
+ my ($line, $cargo, $skip_ref, $input_ref, $line_offset, $line_count) = @_;
if ($line =~ /$libtool_regex/o) {
# libtool's --silent hides the real compiler flags.
# "Compiling" non binary files.
return 0 if $line =~ /^\s*Compiling \S+\.(?:py|pyx|el)['"]?\s*(?:\.\.\.|because it changed\.)?$/;
return 0 if $line =~ /^\s*[Cc]ompiling catalog \S+\.po\b/;
+ # cargo build
+ return 0 if $cargo and $line =~ m{^\s*Compiling\s+\S+\s+v\S+(?:\s+\(/<<PKGBUILDDIR>>\))?$};
# "Compiling" with no file name.
if ($line =~ /^\s*[Cc]ompiling\s+(.+?)(?:\.\.\.)?$/) {
# $file_extension_regex may need spaces around the filename.
}
if ($option_version) {
print <<"EOF";
-blhc $VERSION Copyright (C) 2012-2023 Simon Ruderich
+blhc $VERSION Copyright (C) 2012-2024 Simon Ruderich
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
$disable_harden_pie = 1;
}
+ # Ignore additional false positives if cargo/rust is used
+ my $cargo = 0;
+
my $number = 0;
while (my $line = <$fh>) {
$number++;
}
next FILE;
}
+
+ if ($line =~ /\bcargo\b/) {
+ $cargo = 1;
+ }
}
# This flags is not always available, but if it is use it.
# Check if this line indicates a non verbose build.
my $skip = 0;
- $non_verbose |= is_non_verbose_build($line, \$skip);
+ $non_verbose |= is_non_verbose_build($line, $cargo, \$skip);
next if $skip;
# Treat each command as a single line so we don't ignore valid
# Embedded `gcc -print-*` commands
next if $line =~ /`$cc_regex_normal\s*[^`]*-print-\S+`/;
# cmake checking for compiler flags without setting CPPFLAGS
- next if $line =~ m{^\s*/usr/(bin|lib)/(ccache/)?c\+\+ -dM -E -c /usr/share/cmake-\S+/Modules/CMakeCXXCompilerABI\.cpp};
+ next if $line =~ m{^\s*/usr/(bin|lib)/(ccache/)?c\+\+ (?:-std=\S+ )?-dM -E -c /usr/share/cmake-\S+/Modules/CMakeCXXCompilerABI\.cpp};
+ # Some rustc lines look like linker commands
+ next if $cargo and $line =~ /$rustc_regex/o;
# Check if additional hardening options were used. Used to ensure
# they are used for the complete build.
my $skip = 0;
if ($input_nonverbose[$i]
- and is_non_verbose_build($line, \$skip,
+ and is_non_verbose_build($line, $cargo, \$skip,
\@input, $i, $parallel)) {
if (not $option_buildd) {
error_non_verbose_build($line, $input_number[$i]);
=head1 LICENSE AND COPYRIGHT
-Copyright (C) 2012-2023 by Simon Ruderich
+Copyright (C) 2012-2024 by Simon Ruderich
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