X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=bin%2Fblhc;h=dda96124fe76f12318a56683efd4c173dbb4e868;hb=5729a02f54e5cbc1ff346f457a9e56effcdee96d;hp=c4fac96d01db2bdc7c21e8bed2a4755aa8e649b1;hpb=018466d7ddd9c78f1e1efbafbb7be2f969e1bbd1;p=blhc%2Fblhc.git diff --git a/bin/blhc b/bin/blhc index c4fac96..dda9612 100755 --- a/bin/blhc +++ b/bin/blhc @@ -2,7 +2,7 @@ # Build log hardening check, checks build logs for missing hardening flags. -# Copyright (C) 2012-2021 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 @@ -206,7 +206,7 @@ my $file_extension_regex = qr/ # 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 = ( @@ -243,7 +243,7 @@ my @def_cxxflags = ( # @def_cxxflags_* is the same as @def_cflags_*. my @def_cppflags = (); my @def_cppflags_fortify = ( - '-D_FORTIFY_SOURCE=2', # must be first, see cppflags_fortify_broken() + '-D_FORTIFY_SOURCE=[23]', # must be first, see cppflags_fortify_broken() # If you add another flag fix hack below (search for "Hack to fix") and # $def_cppflags_fortify[0]. ); @@ -296,9 +296,11 @@ my @flag_refs_all = ( # Renaming rules for the output so the regex parts are not visible. Also # stores string values of flag regexps above, see compile_flag_regexp(). my %flag_renames = ( + '-g3?' => '-g', '-O(?:2|3)' => '-O2', '-Wformat(?:=2)?' => '-Wformat', '--param[= ]ssp-buffer-size=4' => '--param=ssp-buffer-size=4', + '-D_FORTIFY_SOURCE=[23]' => '-D_FORTIFY_SOURCE=2', '-Wl,(?:-z,)?relro' => '-Wl,-z,relro', '-Wl,(?:-z,)?now' => '-Wl,-z,now', ); @@ -690,7 +692,7 @@ if ($option_help) { } if ($option_version) { print <<"EOF"; -blhc $VERSION Copyright (C) 2012-2021 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 @@ -1080,6 +1082,8 @@ foreach my $file (@ARGV) { \s.+\s -I\S+/mkspecs/[a-z]+-g\++(?:-64)? \s}x; + # nvcc is not a regular C compiler + next if $line =~ m{^\S+/bin/nvcc\s}; # Ignore false positives when the line contains only CC=gcc but no # other gcc command. if ($line =~ /(.*)CC=$cc_regex_full(.*)/o) { @@ -1150,11 +1154,12 @@ foreach my $file (@ARGV) { # Option or auto detected. if ($arch) { - # The following was partially copied from dpkg-dev 1.20.5 - # (/usr/share/perl5/Dpkg/Vendor/Debian.pm, _add_build_flags()), - # copyright Raphaël Hertzog , Guillem Jover - # , Kees Cook , Canonical, Ltd. - # licensed under GPL version 2 or later. Keep it in sync. + # The following was partially copied from dpkg-dev 1.22.0 + # (/usr/share/perl5/Dpkg/Vendor/Debian.pm, set_build_features and + # _add_build_flags()), copyright Raphaël Hertzog , + # Guillem Jover , Kees Cook , + # Canonical, Ltd. licensed under GPL version 2 or later. Keep it in + # sync. require Dpkg::Arch; my ($os, $cpu); @@ -1171,13 +1176,23 @@ foreach my $file (@ARGV) { arm64 armel armhf + hurd-amd64 hurd-i386 i386 kfreebsd-amd64 kfreebsd-i386 mips - mipsel + mips64 mips64el + mips64r6 + mips64r6el + mipsel + mipsn32 + mipsn32el + mipsn32r6 + mipsn32r6el + mipsr6 + mipsr6el powerpc ppc64 ppc64el @@ -1188,15 +1203,14 @@ foreach my $file (@ARGV) { ); # Disable unsupported hardening options. - if ($os !~ /^(?:linux|kfreebsd|knetbsd|hurd)$/ - or $cpu =~ /^(?:hppa|avr32)$/) { + if ($os !~ /^(?:linux|kfreebsd|knetbsd|hurd)$/ or $cpu eq 'hppa') { $harden_pie = 0; } if ($cpu =~ /^(?:ia64|alpha|hppa|nios2)$/ or $arch eq 'arm') { $harden_stack = 0; $harden_stack_strong = 0; } - if ($cpu =~ /^(?:ia64|hppa|avr32)$/) { + if ($cpu =~ /^(?:ia64|hppa)$/) { $harden_relro = 0; $harden_bindnow = 0; } @@ -1565,7 +1579,8 @@ log: blhc: ignore-line-regexp: REGEXP All lines fully matching REGEXP (see B<--ignore-line> for details) will be -ignored. +ignored. The string can be embedded multiple times to ignore different +regexps. Please use this feature sparingly so that missing flags are not overlooked. If you find false positives which affect more packages please report a bug. @@ -1821,7 +1836,7 @@ Ejari.aalto@cante.netE for their valuable input and suggestions. =head1 LICENSE AND COPYRIGHT -Copyright (C) 2012-2020 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