use warnings;
use Getopt::Long ();
+use Term::ANSIColor ();
our $VERSION = '0.01';
+# FUNCTIONS
+
+sub error_flags {
+ my ($message, $missing_flags_ref, $flag_renames_ref, $line) = @_;
+
+ # Rename flags if requested.
+ my @missing_flags = map {
+ (exists $flag_renames_ref->{$_})
+ ? $flag_renames_ref->{$_}
+ : $_
+ } @{$missing_flags_ref};
+
+ my $flags = join ' ', @missing_flags;
+ printf "%s (%s)%s %s",
+ error_color($message, 'red'), $flags, error_color(':', 'yellow'),
+ $line;
+}
+sub error_color {
+ my ($message, $color) = @_;
+
+ # Use colors when writing to a terminal.
+ if (-t STDOUT) {
+ return Term::ANSIColor::colored($message, $color);
+ } else {
+ return $message;
+ }
+}
+
+sub any_flags_used {
+ my ($line, @flags) = @_;
+
+ foreach my $flag (@flags) {
+ return 1 if $line =~ /\s$flag(\s|\\|$)/;
+ }
+
+ return 0;
+}
+sub all_flags_used {
+ my ($line, $missing_flags_ref, @flags) = @_;
+
+ my @missing_flags = ();
+ foreach my $flag (@flags) {
+ if ($line !~ /\s$flag(\s|\\|$)/) {
+ push @missing_flags, $flag;
+ }
+ }
+
+ if (scalar @missing_flags == 0) {
+ return 1;
+ }
+
+ @{$missing_flags_ref} = @missing_flags;
+ return 0;
+}
+
+# Modifies $missing_flags_ref array.
+sub pic_pie_conflict {
+ my ($line, $pie, $missing_flags_ref, @flags_pie) = @_;
+
+ return 0 if not $pie;
+ return 0 if not any_flags_used($line, ('-fPIC'));
+
+ my %flags = map { $_ => 1 } @flags_pie;
+
+ # Remove all PIE flags from @missing_flags as they are not required with
+ # -fPIC.
+ my @result = grep {
+ not exists $flags{$_}
+ } @{$missing_flags_ref};
+ @{$missing_flags_ref} = @result;
+
+ # We got a conflict when no flags are left, thus only PIE flags were
+ # missing. If other flags were missing abort because the conflict is not
+ # the problem.
+ return scalar @result == 0;
+}
+
+
+# CONSTANTS/VARIABLES
+
+# Regex to catch (GCC) compiler warnings.
+my $warning_regex = qr/^(.+?):([0-9]+):[0-9]+: warning: (.+?) \[(.+?)\]$/;
+
+# Expected hardening flags. All flags are used as regexps.
+my @cflags = (
+ '-g',
+ '-O2',
+ '-fstack-protector',
+ '--param=ssp-buffer-size=4',
+ '-Wformat',
+ '-Wformat-security',
+ '-Werror=format-security',
+);
+my @cflags_pie = (
+ '-fPIE',
+);
+my @cppflags = (
+ '-D_FORTIFY_SOURCE=2',
+);
+my @ldflags = (
+ '-Wl,(-z,)?relro',
+);
+my @ldflags_pie = (
+ '-fPIE',
+ '-pie',
+);
+my @ldflags_bindnow = (
+ '-Wl,(-z,)?now',
+);
+# All (hardening) flags.
+my @flags = (@cflags, @cflags_pie,
+ @cppflags,
+ @ldflags, @ldflags_pie, @ldflags_bindnow);
+# Renaming rules for the output so the regex parts are not visible.
+my %flag_renames = (
+ '-Wl,(-z,)?relro' => '-Wl,-z,relro',
+ '-Wl,(-z,)?now' => '-Wl,-z,now',
+);
+
+
+# MAIN
+
+# Additional hardening options.
+my $pie = 0;
+my $bindnow = 0;
+
# Parse command line arguments.
+my $option_all = 0;
my $option_help = 0;
my $option_version = 0;
if (not Getopt::Long::GetOptions(
'help|h|?' => \$option_help,
'version' => \$option_version,
+ 'pie' => \$pie,
+ 'bindnow' => \$bindnow,
+ 'all' => \$option_all,
)) {
require Pod::Usage;
Pod::Usage::pod2usage(2);
exit 0;
}
+if ($option_all) {
+ $pie = 1;
+ $bindnow = 1;
+}
+
+# Final exit code.
+my $exit = 0;
+
+# Input lines, contain only the lines with compiler commands.
+my @input = ();
+
+my $continuation = 0;
+while (my $line = <>) {
+ # Ignore compiler warnings for now.
+ next if $line =~ /$warning_regex/;
+
+ # One line may contain multiple commands (";"). Treat each one as single
+ # line.
+ my @line = split /(?<!\\);/, $line;
+ foreach $line (@line) {
+ # Add newline, drop all other whitespace at the end of a line.
+ $line =~ s/\s+$//;
+ $line .= "\n";
+
+ if ($continuation) {
+ $continuation = 0;
+
+ # Join lines, but leave the "\" in place so it's clear where the
+ # original line break was.
+ chomp $input[-1];
+ $input[-1] .= ' ' . $line;
+
+ } else {
+ # Ignore lines with no compiler commands.
+ next if $line !~ /\b(cc\b|gcc\b|g\+\+|c\+\+)/;
+
+ # Ignore false positives.
+ #
+ # `./configure` output.
+ if ($line =~ /^checking /) {
+ next;
+ }
+
+ push @input, $line;
+ }
+
+ # Line continuation, line ends with "\".
+ if ($line =~ /\\\s*$/) {
+ $continuation = 1;
+ }
+ }
+}
+
+if (scalar @input == 0) {
+ print "No compiler commands!\n";
+ $exit |= 1;
+ exit $exit;
+}
+
+# Check if additional hardening options were used. Used to ensure they are
+# used for the complete build.
+foreach my $line (@input) {
+ $pie = 1 if any_flags_used($line, @cflags_pie, @ldflags_pie);
+ $bindnow = 1 if any_flags_used($line, @ldflags_bindnow);
+}
+
+if ($pie) {
+ @cflags = (@cflags, @cflags_pie);
+ @ldflags = (@ldflags, @ldflags_pie);
+}
+if ($bindnow) {
+ @ldflags = (@ldflags, @ldflags_bindnow);
+}
+
+foreach my $line (@input) {
+ # Is this a compiler or linker command?
+ my $compiler = 1;
+ my $linker = 0;
+
+ # Linker commands.
+ if ($line =~ /\s-l[A-Za-z0-9.-]+(\s|\\|$)/
+ or $line =~ /^libtool: link: /
+ or $line =~ m{\s*/bin/bash (\.\./)+libtool\s+--tag=CC\s+--mode=link}) {
+ $compiler = 0;
+ $linker = 1;
+ }
+
+ # If there are source files then it's compiling/linking in one step and we
+ # must check both.
+ if ($line =~ /\.(c|cc|cpp)\b/) {
+ $compiler = 1;
+ }
+
+ # Check hardening flags.
+ my @missing;
+ if ($compiler and not all_flags_used($line, \@missing, @cflags)
+ # Libraries linked with -fPIC don't have to (and can't) be linked
+ # with -fPIE as well. It's no error if only PIE flags are missing.
+ and not pic_pie_conflict($line, $pie, \@missing, @cflags_pie)) {
+ error_flags('CFLAGS missing', \@missing, \%flag_renames, $line);
+ $exit |= 1 << 2;
+ }
+ if ($compiler and not all_flags_used($line, \@missing, @cppflags)) {
+ error_flags('CPPFLAGS missing', \@missing, \%flag_renames, $line);
+ $exit |= 1 << 2;
+ }
+ if ($linker and not all_flags_used($line, \@missing, @ldflags)
+ # Same here, -fPIC conflicts with -fPIE.
+ and not pic_pie_conflict($line, $pie, \@missing, @ldflags_pie)) {
+ error_flags('LDFLAGS missing', \@missing, \%flag_renames, $line);
+ $exit |= 1 << 2;
+ }
+}
+
+exit $exit;
+
__END__
B<blhc> [-h -? --help]
+B<blhc> [--pie] [--bindnow] [--all]
+
--help available options
--version version number and license
+ --pie force +pie check
+ --bindnow force +bindbow check
+ --all force +all (+pie, +bindnow) check
=head1 DESCRIPTION
Print version number and license.
+=item B<--pie>
+
+Force check for all +pie hardening flags. By default it's auto detected.
+
+=item B<--bindnow>
+
+Force check for all +bindnow hardening flags. By default it's auto detected.
+
+=item B<--all>
+
+Force check for all +all (+pie, +bindnow) hardening flags. By default it's
+auto detected.
+
+=back
+
+Auto detection only works if at least one command uses the required hardening
+flag (e.g. -fPIE). Then it's required for all other commands as well.
+
+=head1 EXIT STATUS
+
+The exit status is a "bit mask", each listed status is ORed when the error
+condition occurs to get the result.
+
+=over 8
+
+=item B<0>
+
+Success.
+
+=item B<1>
+
+No compiler commands were found.
+
+=item B<2>
+
+Invalid arguments/options given to blhc.
+
+=item B<4>
+
+Missing hardening flags.
+
=back
=head1 AUTHOR
--- /dev/null
+# Tests for blhc.
+#
+# Copyright (C) 2012 Simon Ruderich
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+use strict;
+use warnings;
+
+use Test::More tests => 66;
+
+
+sub is_blhc {
+ my ($file, $options, $exit, $expected) = @_;
+
+ my $output = `./bin/blhc $options ./t/logs/$file 2>&1`;
+
+ if ($options) {
+ $options = ' '. $options;
+ }
+ is $? >> 8, $exit, "$file$options (exit code)";
+ is $output, $expected, "$file$options (output)";
+}
+
+
+# Usage.
+
+is_blhc 'empty', '--invalid', 2,
+ "Unknown option: invalid
+Usage:
+ blhc [-h -? --help]
+
+ blhc [--pie] [--bindnow] [--all]
+
+ --help available options
+ --version version number and license
+ --pie force +pie check
+ --bindnow force +bindbow check
+ --all force +all (+pie, +bindnow) check
+
+";
+
+
+# No compiler commands found.
+
+is_blhc 'empty', '', 1,
+ "No compiler commands!\n";
+
+
+# Correct build logs.
+
+is_blhc 'good', '', 0,
+ '';
+is_blhc 'good-pie', '', 0,
+ '';
+is_blhc 'good-pie', '--pie', 0,
+ '';
+is_blhc 'good-bindnow', '', 0,
+ '';
+is_blhc 'good-bindnow', '--bindnow', 0,
+ '';
+is_blhc 'good-all', '', 0,
+ '';
+is_blhc 'good-all', '--all', 0,
+ '';
+is_blhc 'good-all', '--pie --bindnow', 0,
+ '';
+
+is_blhc 'good-multiline', '', 0,
+ '';
+is_blhc 'good-library', '--all', 0,
+ '';
+
+
+# Build logs with missing flags.
+
+is_blhc 'bad', '', 4,
+ "CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -g -O2 -c test-a.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -c test-a.c
+CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -g -O2 -c test-b.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -c test-b.c
+CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -g -O2 -c test-c.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -c test-c.c
+LDFLAGS missing (-Wl,-z,relro): gcc -o test test-a.o test-b.o test-c.o -ltest
+";
+is_blhc 'bad', '--pie', 4,
+ "CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): gcc -g -O2 -c test-a.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -c test-a.c
+CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): gcc -g -O2 -c test-b.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -c test-b.c
+CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): gcc -g -O2 -c test-c.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -c test-c.c
+LDFLAGS missing (-Wl,-z,relro -fPIE -pie): gcc -o test test-a.o test-b.o test-c.o -ltest
+";
+is_blhc 'bad', '--bindnow', 4,
+ "CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -g -O2 -c test-a.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -c test-a.c
+CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -g -O2 -c test-b.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -c test-b.c
+CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -g -O2 -c test-c.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -c test-c.c
+LDFLAGS missing (-Wl,-z,relro -Wl,-z,now): gcc -o test test-a.o test-b.o test-c.o -ltest
+";
+is_blhc 'bad', '--pie --bindnow', 4,
+ "CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): gcc -g -O2 -c test-a.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -c test-a.c
+CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): gcc -g -O2 -c test-b.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -c test-b.c
+CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): gcc -g -O2 -c test-c.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -c test-c.c
+LDFLAGS missing (-Wl,-z,relro -fPIE -pie -Wl,-z,now): gcc -o test test-a.o test-b.o test-c.o -ltest
+";
+is_blhc 'bad', '--all', 4,
+ "CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): gcc -g -O2 -c test-a.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -c test-a.c
+CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): gcc -g -O2 -c test-b.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -c test-b.c
+CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): gcc -g -O2 -c test-c.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -c test-c.c
+LDFLAGS missing (-Wl,-z,relro -fPIE -pie -Wl,-z,now): gcc -o test test-a.o test-b.o test-c.o -ltest
+";
+
+is_blhc 'bad-cflags', '', 4,
+ "CFLAGS missing (-Wformat): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-a.c
+CFLAGS missing (--param=ssp-buffer-size=4): gcc -g -O2 -fstack-protector -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-b.c
+CFLAGS missing (-Werror=format-security): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -D_FORTIFY_SOURCE=2 -c test-c.c
+CFLAGS missing (-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -Wl,-z,relro -o test test.c -ltest
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -Wl,-z,relro -o test test.c -ltest
+CFLAGS missing (-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -shared -fPIC -Wl,-z,relro -o test.so test.c -ltest
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -shared -fPIC -Wl,-z,relro -o test.so test.c -ltest
+";
+is_blhc 'bad-cflags', '--pie', 4,
+ "CFLAGS missing (-Wformat -fPIE): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-a.c
+CFLAGS missing (--param=ssp-buffer-size=4 -fPIE): gcc -g -O2 -fstack-protector -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-b.c
+CFLAGS missing (-Werror=format-security -fPIE): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -D_FORTIFY_SOURCE=2 -c test-c.c
+LDFLAGS missing (-fPIE -pie): gcc -Wl,-z,relro -o test test-a.o test-b.o test-c.o -ltest
+CFLAGS missing (-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): gcc -Wl,-z,relro -o test test.c -ltest
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -Wl,-z,relro -o test test.c -ltest
+LDFLAGS missing (-fPIE -pie): gcc -Wl,-z,relro -o test test.c -ltest
+CFLAGS missing (-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -shared -fPIC -Wl,-z,relro -o test.so test.c -ltest
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -shared -fPIC -Wl,-z,relro -o test.so test.c -ltest
+";
+is_blhc 'bad-cflags', '--bindnow', 4,
+ "CFLAGS missing (-Wformat): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-a.c
+CFLAGS missing (--param=ssp-buffer-size=4): gcc -g -O2 -fstack-protector -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-b.c
+CFLAGS missing (-Werror=format-security): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -D_FORTIFY_SOURCE=2 -c test-c.c
+LDFLAGS missing (-Wl,-z,now): gcc -Wl,-z,relro -o test test-a.o test-b.o test-c.o -ltest
+CFLAGS missing (-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -Wl,-z,relro -o test test.c -ltest
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -Wl,-z,relro -o test test.c -ltest
+LDFLAGS missing (-Wl,-z,now): gcc -Wl,-z,relro -o test test.c -ltest
+CFLAGS missing (-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -shared -fPIC -Wl,-z,relro -o test.so test.c -ltest
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -shared -fPIC -Wl,-z,relro -o test.so test.c -ltest
+LDFLAGS missing (-Wl,-z,now): gcc -shared -fPIC -Wl,-z,relro -o test.so test.c -ltest
+";
+is_blhc 'bad-cflags', '--pie --bindnow', 4,
+ "CFLAGS missing (-Wformat -fPIE): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-a.c
+CFLAGS missing (--param=ssp-buffer-size=4 -fPIE): gcc -g -O2 -fstack-protector -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-b.c
+CFLAGS missing (-Werror=format-security -fPIE): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -D_FORTIFY_SOURCE=2 -c test-c.c
+LDFLAGS missing (-fPIE -pie -Wl,-z,now): gcc -Wl,-z,relro -o test test-a.o test-b.o test-c.o -ltest
+CFLAGS missing (-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): gcc -Wl,-z,relro -o test test.c -ltest
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -Wl,-z,relro -o test test.c -ltest
+LDFLAGS missing (-fPIE -pie -Wl,-z,now): gcc -Wl,-z,relro -o test test.c -ltest
+CFLAGS missing (-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -shared -fPIC -Wl,-z,relro -o test.so test.c -ltest
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -shared -fPIC -Wl,-z,relro -o test.so test.c -ltest
+LDFLAGS missing (-Wl,-z,now): gcc -shared -fPIC -Wl,-z,relro -o test.so test.c -ltest
+";
+
+is_blhc 'bad-cppflags', '', 4,
+ "CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -c test-a.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -c test-b.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -c test-c.c
+";
+
+is_blhc 'bad-ldflags', '', 4,
+ "LDFLAGS missing (-Wl,-z,relro): gcc -o test test-a.o test-b.o test-c.o -ltest
+";
+is_blhc 'bad-ldflags', '--pie', 4,
+ "CFLAGS missing (-fPIE): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-a.c
+CFLAGS missing (-fPIE): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-b.c
+CFLAGS missing (-fPIE): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-c.c
+LDFLAGS missing (-Wl,-z,relro -fPIE -pie): gcc -o test test-a.o test-b.o test-c.o -ltest
+";
+is_blhc 'bad-ldflags', '--bindnow', 4,
+ "LDFLAGS missing (-Wl,-z,relro -Wl,-z,now): gcc -o test test-a.o test-b.o test-c.o -ltest
+";
+is_blhc 'bad-ldflags', '--pie --bindnow', 4,
+ "CFLAGS missing (-fPIE): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-a.c
+CFLAGS missing (-fPIE): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-b.c
+CFLAGS missing (-fPIE): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-c.c
+LDFLAGS missing (-Wl,-z,relro -fPIE -pie -Wl,-z,now): gcc -o test test-a.o test-b.o test-c.o -ltest
+";
+
+is_blhc 'bad-multiline', '', 4,
+ "CFLAGS missing (-Wformat): gcc \\ -g -O2 -fstack-protector\\ --param=ssp-buffer-size=4 -Wformat-security\\ -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-a.c
+CFLAGS missing (--param=ssp-buffer-size=4): gcc -g -O2 -fstack-protector -Wformat -Wformat-security -Werror=format-security\\ -D_FORTIFY_SOURCE=2\\ -c test-b.c
+CFLAGS missing (-Werror=format-security): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -D_FORTIFY_SOURCE=2 -c test-c.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -c test-a.c
+CFLAGS missing (-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -D_FORTIFY_SOURCE=2 -c test-b.c
+CFLAGS missing (-Wformat-security -Werror=format-security): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -D_FORTIFY_SOURCE=2 -c test-a.c
+CFLAGS missing (-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat): gcc -Wformat-security -Werror=format-security -c test-b.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -Wformat-security -Werror=format-security -c test-b.c
+CFLAGS missing (-O2): gcc -g -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -c test-a.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -c test-a.c
+CFLAGS missing (-g -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -O2 -D_FORTIFY_SOURCE=2 -c test-b.c
+CFLAGS missing (-fstack-protector): gcc -g -O2 --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -c test-a.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -c test-a.c
+CFLAGS missing (-g -O2 --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -D_FORTIFY_SOURCE=2 -fstack-protector -c test-b.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security \\; -Werror=format-security -D_FORTIFY_SOURCE=1 -c test-a.c
+";
+
+is_blhc 'bad-library', '--all', 4,
+ "CFLAGS missing (-fstack-protector): gcc -D_FORTIFY_SOURCE=2 -g -O2 --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security test.c -fPIC -DPIC -o libtest.o
+LDFLAGS missing (-Wl,-z,now): gcc -shared -fPIC -DPIC libtest.o -lpthread -O2 -Wl,relro -Wl,--as-needed -o libtest.so
+LDFLAGS missing (-Wl,-z,relro -Wl,-z,now): gcc -shared -fPIC -DPIC libtest.o -lpthread -O2 -Wl,--as-needed -o libtest.so
+";
+
+
+# cc
+
+is_blhc 'cc', '--pie --bindnow', 4,
+ "CFLAGS missing (-Wformat -fPIE): cc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-a.c
+CFLAGS missing (--param=ssp-buffer-size=4 -fPIE): cc -g -O2 -fstack-protector -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-b.c
+CFLAGS missing (-Werror=format-security -fPIE): cc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -D_FORTIFY_SOURCE=2 -c test-c.c
+LDFLAGS missing (-Wl,-z,relro -fPIE -pie -Wl,-z,now): cc -Wl,-z,defs -o test test-a.o test-b.o test-c.o -ltest
+";
+
+
+# debian
+
+is_blhc 'debian', '--all', 1,
+ "No compiler commands!
+";
+
+
+# c++
+
+is_blhc 'c++', '--pie --bindnow', 4,
+ "CFLAGS missing (-Wformat -fPIE): c++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-a.cpp
+CFLAGS missing (--param=ssp-buffer-size=4 -fPIE): c++ -g -O2 -fstack-protector -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-b.cpp
+CFLAGS missing (-Werror=format-security -fPIE): c++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -D_FORTIFY_SOURCE=2 -c test-c.cpp
+CFLAGS missing (-fPIE): c++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-d.cc
+LDFLAGS missing (-Wl,-z,relro -fPIE -pie -Wl,-z,now): c++ -Wl,-z,defs -o test test-a.o test-b.o test-c.o test-d.o -ltest
+";
+
+
+# g++
+
+is_blhc 'g++', '--pie --bindnow', 4,
+ "CFLAGS missing (-Wformat -fPIE): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-a.cpp
+CFLAGS missing (--param=ssp-buffer-size=4 -fPIE): g++ -g -O2 -fstack-protector -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-b.cpp
+CFLAGS missing (-Werror=format-security -fPIE): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -D_FORTIFY_SOURCE=2 -c test-c.cpp
+CFLAGS missing (-fPIE): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-d.cc
+LDFLAGS missing (-Wl,-z,relro -fPIE -pie -Wl,-z,now): g++ -Wl,-z,defs -o test test-a.o test-b.o test-c.o test-d.o -ltest
+";
+
+
+# libtool
+
+is_blhc 'libtool', '--bindnow', 4,
+ "LDFLAGS missing (-fPIE): libtool: link: g++ -shared test-a.o test-b.o test-b.o test-c.o -O2 -pie -Wl,relro -Wl,now -o test.so
+LDFLAGS missing (-fPIE -pie -Wl,-z,now): libtool: link: g++ -shared test-a.o test-b.o test-b.o test-c.o -O2 -Wl,relro -o test.so
+LDFLAGS missing (-fPIE -pie -Wl,-z,now): libtool: link: gcc -Wl,-z -Wl,relro -o test test.o
+LDFLAGS missing (-fPIE -pie -Wl,-z,now): /bin/bash ../libtool --tag=CC --mode=link gcc -Wl,-z,relro -o test.so test.o
+LDFLAGS missing (-fPIE -pie -Wl,-z,now): /bin/bash ../libtool --tag=CC --mode=link gcc -Wl,-z,relro -o test.so test.o
+LDFLAGS missing (-fPIE -pie -Wl,-z,now): /bin/bash ../libtool --tag=CC --mode=link gcc -Wl,-z,relro -o test.so test.o
+CFLAGS missing (-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): /bin/bash ../libtool --tag=CC --mode=link gcc -Wl,-z,relro -o test.so test.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): /bin/bash ../libtool --tag=CC --mode=link gcc -Wl,-z,relro -o test.so test.c
+LDFLAGS missing (-fPIE -pie -Wl,-z,now): /bin/bash ../libtool --tag=CC --mode=link gcc -Wl,-z,relro -o test.so test.c
+";
ruderich.org/simon / blhc / blhc.git / commitdiff