openssl/util/fipslink.pl
2011-02-03 14:20:59 +00:00

83 lines
2.1 KiB
Perl

#!/usr/bin/perl
sub check_env
{
my @ret;
foreach (@_)
{
die "Environment variable $_ not defined!\n" unless exists $ENV{$_};
push @ret, $ENV{$_};
}
return @ret;
}
my ($fips_cc,$fips_cc_args, $fips_link,$fips_target, $fips_libdir, $sha1_exe)
= check_env("FIPS_CC", "FIPS_CC_ARGS", "FIPS_LINK", "FIPS_TARGET",
"FIPSLIB_D", "FIPS_SHA1_EXE");
if (exists $ENV{"PREMAIN_DSO_EXE"})
{
$fips_premain_dso = $ENV{"PREMAIN_DSO_EXE"};
}
else
{
$fips_premain_dso = "";
}
check_hash($sha1_exe, "fips_premain.c");
check_hash($sha1_exe, "fipscanister.lib");
print "Integrity check OK\n";
print "$fips_cc $fips_cc_args $fips_libdir/fips_premain.c\n";
system "$fips_cc $fips_cc_args $fips_libdir/fips_premain.c";
die "First stage Compile failure" if $? != 0;
print "$fips_link @ARGV\n";
system "$fips_link @ARGV";
die "First stage Link failure" if $? != 0;
print "$fips_premain_dso $fips_target\n";
system("$fips_premain_dso $fips_target >$fips_target.sha1");
die "Get hash failure" if $? != 0;
open my $sha1_res, '<', $fips_target.".sha1" or die "Get hash failure";
$fips_hash=<$sha1_res>;
close $sha1_res;
unlink $fips_target.".sha1";
chomp $fips_hash;
die "Get hash failure" if $? != 0;
print "$fips_cc -DHMAC_SHA1_SIG=\\\"$fips_hash\\\" $fips_cc_args $fips_libdir/fips_premain.c\n";
system "$fips_cc -DHMAC_SHA1_SIG=\\\"$fips_hash\\\" $fips_cc_args $fips_libdir/fips_premain.c";
die "Second stage Compile failure" if $? != 0;
print "$fips_link @ARGV\n";
system "$fips_link @ARGV";
die "Second stage Link failure" if $? != 0;
sub check_hash
{
my ($sha1_exe, $filename) = @_;
my ($hashfile, $hashval);
open(IN, "${fips_libdir}/${filename}.sha1") || die "Cannot open file hash file ${fips_libdir}/${filename}.sha1";
$hashfile = <IN>;
close IN;
$hashval = `$sha1_exe ${fips_libdir}/$filename`;
chomp $hashfile;
chomp $hashval;
$hashfile =~ s/^.*=\s+//;
$hashval =~ s/^.*=\s+//;
die "Invalid hash syntax in file" if (length($hashfile) != 40);
die "Invalid hash received for file" if (length($hashval) != 40);
die "***HASH VALUE MISMATCH FOR FILE $filename ***" if ($hashval ne $hashfile);
}