#!/usr/bin/perl -w
#
# Used to regenerate ca-bundle.crt from the Mozilla certdata.txt.
# Run as ./mkcabundle.pl > ca-bundle.crt
#

my $cvsroot = ':pserver:anonymous@cvs-mirror.mozilla.org:/cvsroot';
my $certdata = 'mozilla/security/nss/lib/ckfw/builtins/certdata.txt';

open(IN, "cvs -d $cvsroot co -p $certdata|")
    || die "could not check out certdata.txt";

my $incert = 0;
my $skipcert = 0;

print<<EOH;
# This is a bundle of X.509 certificates of public Certificate
# Authorities.  It was generated from the Mozilla root CA list.
#
# Source: $certdata
#
EOH

while (<IN>) {
    if (/^CKA_VALUE MULTILINE_OCTAL/) {
        $incert = 1;
        if (!$skipcert) {
            open(OUT, "|openssl x509 -text -inform DER -fingerprint")
                || die "could not pipe to openssl x509";
        }
    } elsif (/^END/ && $incert) {
        if (!$skipcert) {
            close(OUT);
            print "\n\n";
        }
        $incert = 0;
        $skipcert = 0;
    } elsif ($incert && !$skipcert) {
        my @bs = split(/\\/);
        foreach my $b (@bs) {
            chomp $b;
            printf(OUT "%c", oct($b)) unless $b eq '';
        }
    } elsif (/^CVS_ID.*Revision: ([^ ]*).*/) {
        print "# Generated from certdata.txt RCS revision $1\n#\n";
    } elsif (/^CKA_LABEL.*ECC.*/) {
        # Ugly hack to avoid picking up ECC certs.
        $skipcert = 1;
    }
}