Make config.pl more versatile
This commit is contained in:
Manuel Pégourié-Gonnard
parent
9dbe7c5f17
commit
ab3d8627f3
2 changed files with 112 additions and 71 deletions
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#!/usr/bin/perl
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use warnings;
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use strict;
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# Things that shouldn't be enabled.
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# Notes:
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# - POLARSSL_X509_ALLOW_EXTENSIONS_NON_V3 and
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# POLARSSL_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION could be enabled if the
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# respective tests were adapted
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my @excluded = qw(
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POLARSSL_HAVE_INT8
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POLARSSL_HAVE_INT16
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POLARSSL_HAVE_SSE2
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POLARSSL_PLATFORM_NO_STD_FUNCTIONS
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POLARSSL_ECP_DP_M221_ENABLED
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POLARSSL_ECP_DP_M383_ENABLED
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POLARSSL_ECP_DP_M511_ENABLED
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POLARSSL_NO_DEFAULT_ENTROPY_SOURCES
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POLARSSL_NO_PLATFORM_ENTROPY
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POLARSSL_SSL_HW_RECORD_ACCEL
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POLARSSL_X509_ALLOW_EXTENSIONS_NON_V3
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POLARSSL_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
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POLARSSL_ZLIB_SUPPORT
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POLARSSL_PKCS11_C
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_ALT\s*$
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);
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my $include_dir;
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if( @ARGV ) {
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die "Invalid number of arguments" if scalar @ARGV != 1;
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($include_dir) = @ARGV;
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-d $include_dir or die "No such directory: $include_dir\n";
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} else {
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$include_dir = 'include/polarssl';
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unless( -d $include_dir ) {
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chdir '..' or die;
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-d $include_dir
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or die "Without arguments, must be run from root or scripts\n"
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}
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}
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my $config_file = "$include_dir/config.h";
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open my $config_read, '<', $config_file or die "read $config_file: $!\n";
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my @config_lines = <$config_read>;
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close $config_read;
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my $exclude_re = join '|', @excluded;
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open my $config_write, '>', $config_file or die "write $config_file: $!\n";
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my $done;
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for my $line (@config_lines) {
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if ($line =~ /name SECTION: Module configuration options/) {
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$done = 1;
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}
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if (!$done && $line =~ m!^//\s?#define! && $line !~ /$exclude_re/) {
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$line =~ s!^//!!;
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}
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print $config_write $line;
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}
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close $config_write;
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__END__
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112
scripts/config.pl
Executable file
112
scripts/config.pl
Executable file
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@ -0,0 +1,112 @@
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#!/usr/bin/perl
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# Tune the configuration file
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use warnings;
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use strict;
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my $usage = <<EOU;
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$0 [-f <file>] full
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$0 [-f <file>] unset <name>
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$0 [-f <file>] set <name> [<value>]
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EOU
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# Things that shouldn't be enabled with "full".
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# Notes:
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# - POLARSSL_X509_ALLOW_EXTENSIONS_NON_V3 and
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# POLARSSL_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION could be enabled if the
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# respective tests were adapted
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my @excluded = qw(
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POLARSSL_HAVE_INT8
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POLARSSL_HAVE_INT16
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POLARSSL_HAVE_SSE2
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POLARSSL_PLATFORM_NO_STD_FUNCTIONS
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POLARSSL_ECP_DP_M221_ENABLED
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POLARSSL_ECP_DP_M383_ENABLED
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POLARSSL_ECP_DP_M511_ENABLED
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POLARSSL_NO_DEFAULT_ENTROPY_SOURCES
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POLARSSL_NO_PLATFORM_ENTROPY
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POLARSSL_SSL_HW_RECORD_ACCEL
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POLARSSL_X509_ALLOW_EXTENSIONS_NON_V3
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POLARSSL_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
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POLARSSL_ZLIB_SUPPORT
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POLARSSL_PKCS11_C
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_ALT\s*$
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);
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my $config_file = "include/polarssl/config.h";
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# get -f option
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if (@ARGV >= 2 && $ARGV[0] eq "-f") {
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shift; # -f
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$config_file = shift;
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-f $config_file or die "No such file: $config_file\n";
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} else {
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if (! -f $config_file) {
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chdir '..' or die;
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-d $config_file
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or die "Without -f, must be run from root or scripts\n"
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}
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}
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# get action
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die $usage unless @ARGV;
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my $action = shift;
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my ($name, $value);
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if ($action eq "full") {
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# nothing to do
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} elsif ($action eq "unset") {
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die $usage unless @ARGV;
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$name = shift;
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} elsif ($action eq "set") {
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die $usage unless @ARGV;
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$name = shift;
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$value = shift if @ARGV;
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} else {
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die $usage;
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}
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die $usage if @ARGV;
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open my $config_read, '<', $config_file or die "read $config_file: $!\n";
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my @config_lines = <$config_read>;
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close $config_read;
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my $exclude_re = join '|', @excluded;
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open my $config_write, '>', $config_file or die "write $config_file: $!\n";
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my $done;
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for my $line (@config_lines) {
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if ($action eq "full") {
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if ($line =~ /name SECTION: Module configuration options/) {
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$done = 1;
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}
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if (!$done && $line =~ m!^//\s?#define! && $line !~ /$exclude_re/) {
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$line =~ s!^//!!;
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}
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} elsif ($action eq "unset") {
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if (!$done && $line =~ /^\s*#define\s*$name/) {
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$line = '//' . $line;
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$done = 1;
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}
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} elsif (!$done && $action eq "set") {
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if ($line =~ m!^(?://)?\s*#define\s*$name!) {
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$line = "#define $name";
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$line .= " $value" if defined $value && $value ne "";
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$line .= "\n";
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$done = 1;
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}
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}
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print $config_write $line;
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}
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close $config_write;
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warn "configuration section not found" if ($action eq "full" && !$done);
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warn "$name not found" if ($action ne "full" && !$done);
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__END__
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