diff options
Diffstat (limited to 'make')
| -rw-r--r-- | make/utilities.pm | 107 |
1 files changed, 64 insertions, 43 deletions
diff --git a/make/utilities.pm b/make/utilities.pm index 0109bf929..5e0193361 100644 --- a/make/utilities.pm +++ b/make/utilities.pm @@ -121,54 +121,75 @@ sub pkgconfig_get_lib_dirs($$$) # Translate a $CompileFlags etc line and parse out function calls # to functions within these modules at configure time. -sub translate_functions($) +sub translate_functions($$) { - my ($line) = @_; - while ($line =~ /exec\("(.+?)"\)/) + eval { - my $replace = `$1`; - chomp($replace); - $line =~ s/exec\("(.+?)"\)/$replace/; - } - while ($line =~ /eval\("(.+?)"\)/) - { - my $tmpfile; - do + my ($line,$module) = @_; + + # This is only a cursory check, just designed to catch casual accidental use of backticks. + # There are pleanty of ways around it, but its not supposed to be for security, just checking + # that people are using the new configuration api as theyre supposed to and not just using + # backticks instead of eval(), being as eval has accountability. People wanting to get around + # the accountability will do so anyway. + if (($line =~ /`/) && ($line !~ /eval\(.+?`.+?\)/)) { - $tmpfile = tmpnam(); - } until sysopen(TF, $tmpfile, O_RDWR|O_CREAT|O_EXCL, 0700); - print TF $1; - close TF; - my $replace = `perl $tmpfile`; - chomp($replace); - $line =~ s/eval\("(.+?)"\)/$replace/; - } - while ($line =~ /pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/) - { - my $replace = pkgconfig_get_lib_dirs($1, $2, $3); - $line =~ s/pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/$replace/; - } - while ($line =~ /pkgconflibs\("(.+?)","(.+?)",""\)/) - { - my $replace = pkgconfig_get_lib_dirs($1, $2, ""); - $line =~ s/pkgconflibs\("(.+?)","(.+?)",""\)/$replace/; - } - while ($line =~ /pkgconfincludes\("(.+?)","(.+?)",""\)/) - { - my $replace = pkgconfig_get_include_dirs($1, $2, ""); - $line =~ s/pkgconfincludes\("(.+?)","(.+?)",""\)/$replace/; - } - while ($line =~ /pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/) - { - my $replace = pkgconfig_get_include_dirs($1, $2, $3); - $line =~ s/pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/$replace/; - } - while ($line =~ /rpath\("(.+?)"\)/) + die "Developers should no longer use backticks in configuration macros. Please use exec() and eval() macros instead. Offending line: $line (In module: $module)"; + } + while ($line =~ /exec\("(.+?)"\)/) + { + print "Executing program ... \033[1;32m$1\033[0m\n"; + my $replace = `$1`; + chomp($replace); + $line =~ s/exec\("(.+?)"\)/$replace/; + } + while ($line =~ /eval\("(.+?)"\)/) + { + print "Evaluating perl code ... "; + my $tmpfile; + do + { + $tmpfile = tmpnam(); + } until sysopen(TF, $tmpfile, O_RDWR|O_CREAT|O_EXCL, 0700); + print "(Created and executed \033[1;32m$tmpfile)\033[0m\n"; + print TF $1; + close TF; + my $replace = `perl $tmpfile`; + chomp($replace); + $line =~ s/eval\("(.+?)"\)/$replace/; + } + while ($line =~ /pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/) + { + my $replace = pkgconfig_get_lib_dirs($1, $2, $3); + $line =~ s/pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/$replace/; + } + while ($line =~ /pkgconflibs\("(.+?)","(.+?)",""\)/) + { + my $replace = pkgconfig_get_lib_dirs($1, $2, ""); + $line =~ s/pkgconflibs\("(.+?)","(.+?)",""\)/$replace/; + } + while ($line =~ /pkgconfincludes\("(.+?)","(.+?)",""\)/) + { + my $replace = pkgconfig_get_include_dirs($1, $2, ""); + $line =~ s/pkgconfincludes\("(.+?)","(.+?)",""\)/$replace/; + } + while ($line =~ /pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/) + { + my $replace = pkgconfig_get_include_dirs($1, $2, $3); + $line =~ s/pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/$replace/; + } + while ($line =~ /rpath\("(.+?)"\)/) + { + my $replace = make_rpath($1); + $line =~ s/rpath\("(.+?)"\)/$replace/; + } + return $line; + }; + if ($@) { - my $replace = make_rpath($1); - $line =~ s/rpath\("(.+?)"\)/$replace/; + print "\n\nConfiguration failed. The following error occured:\n\n$@\n"; + exit; } - return $line; } 1; |