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#!/usr/bin/perl -w
# ***************************************************************************
# * _ _ ____ _
# * Project ___| | | | _ \| |
# * / __| | | | |_) | |
# * | (__| |_| | _ <| |___
# * \___|\___/|_| \_\_____|
# *
# * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
# *
# * This software is licensed as described in the file COPYING, which
# * you should have received as part of this distribution. The terms
# * are also available at http://curl.haxx.se/docs/copyright.html.
# *
# * You may opt to use, copy, modify, merge, publish, distribute and/or sell
# * copies of the Software, and permit persons to whom the Software is
# * furnished to do so, under the terms of the COPYING file.
# *
# * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# * KIND, either express or implied.
# *
# ***************************************************************************
# This Perl script creates a fresh ca-bundle.crt file for use with libcurl.
# It downloads certdata.txt from Mozilla's source tree (see URL below),
# then parses certdata.txt and extracts CA Root Certificates into PEM format.
# These are then processed with the OpenSSL commandline tool to produce the
# final ca-bundle.crt file.
# The script is based on the parse-certs script written by Roland Krikava.
# This Perl script works on almost any platform since its only external
# dependency is the OpenSSL commandline tool for optional text listing.
# Hacked by Guenter Knauf.
#
use Getopt::Std;
use MIME::Base64;
use LWP::UserAgent;
use strict;
use vars qw($opt_b $opt_h $opt_i $opt_l $opt_n $opt_q $opt_t $opt_u $opt_v);
my $url = 'http://mxr.mozilla.org/mozilla/source/security/nss/lib/ckfw/builtins/certdata.txt?raw=1';
# If the OpenSSL commandline is not in search path you can configure it here!
my $openssl = 'openssl';
my $version = '1.16';
getopts('bhilnqtuv');
if ($opt_i) {
print ("=" x 78 . "\n");
print "Script Version : $version\n";
print "Perl Version : $]\n";
print "Operating System Name : $^O\n";
print "Getopt::Std.pm Version : ${Getopt::Std::VERSION}\n";
print "MIME::Base64.pm Version : ${MIME::Base64::VERSION}\n";
print "LWP::UserAgent.pm Version : ${LWP::UserAgent::VERSION}\n";
print "LWP.pm Version : ${LWP::VERSION}\n";
print ("=" x 78 . "\n");
}
$0 =~ s@.*(/|\\)@@;
if ($opt_h) {
printf("Usage:\t%s [-b] [-i] [-l] [-n] [-q] [-t] [-u] [-v] [<outputfile>]\n", $0);
print "\t-b\tbackup an existing version of ca-bundle.crt\n";
print "\t-i\tprint version info about used modules\n";
print "\t-l\tprint license info about certdata.txt\n";
print "\t-n\tno download of certdata.txt (to use existing)\n";
print "\t-q\tbe really quiet (no progress output at all)\n";
print "\t-t\tinclude plain text listing of certificates\n";
print "\t-u\tunlink (remove) certdata.txt after processing\n";
print "\t-v\tbe verbose and print out processed CAs\n";
exit;
}
my $crt = $ARGV[0] || 'ca-bundle.crt';
(my $txt = $url) =~ s@(.*/|\?.*)@@g;
my $resp;
unless ($opt_n and -e $txt) {
print "Downloading '$txt' ...\n" if (!$opt_q);
my $ua = new LWP::UserAgent(agent => "$0/$version");
$ua->env_proxy();
$resp = $ua->mirror($url, $txt);
if ($resp && $resp->code eq '304') {
print "Not modified\n" unless $opt_q;
exit 0;
}
}
my $currentdate = scalar gmtime($resp ? $resp->last_modified : (stat($txt))[9]);
if ($opt_b && -e $crt) {
my $bk = 1;
while (-e "$crt.~${bk}~") {
$bk++;
}
rename $crt, "$crt.~${bk}~";
}
my $format = $opt_t ? "plain text and " : "";
open(CRT,">$crt") or die "Couldn't open $crt: $!";
print CRT <<EOT;
##
## $crt -- Bundle of CA Root Certificates
##
## Certificate data from Mozilla as of: ${currentdate}
##
## This is a bundle of X.509 certificates of public Certificate Authorities
## (CA). These were automatically extracted from Mozilla's root certificates
## file (certdata.txt). This file can be found in the mozilla source tree:
## $url
##
## It contains the certificates in ${format}PEM format and therefore
## can be directly used with curl / libcurl / php_curl, or with
## an Apache+mod_ssl webserver for SSL client authentication.
## Just configure this file as the SSLCACertificateFile.
##
EOT
close(CRT) or die "Couldn't close $crt: $!";
print "Processing '$txt' ...\n" if (!$opt_q);
my $caname;
my $certnum = 0;
my $skipnum = 0;
open(TXT,"$txt") or die "Couldn't open $txt: $!";
while (<TXT>) {
if (/\*\*\*\*\* BEGIN LICENSE BLOCK \*\*\*\*\*/) {
open(CRT, ">>$crt") or die "Couldn't open $crt: $!";
print CRT;
print if ($opt_l);
while (<TXT>) {
print CRT;
print if ($opt_l);
last if (/\*\*\*\*\* END LICENSE BLOCK \*\*\*\*\*/);
}
close(CRT) or die "Couldn't close $crt: $!";
}
next if /^#|^\s*$/;
chomp;
if (/^CVS_ID\s+\"(.*)\"/) {
open(CRT, ">>$crt") or die "Couldn't open $crt: $!";
print CRT "# $1\n";
close(CRT) or die "Couldn't close $crt: $!";
}
if (/^CKA_LABEL\s+[A-Z0-9]+\s+\"(.*)\"/) {
$caname = $1;
}
my $untrusted = 0;
if (/^CKA_VALUE MULTILINE_OCTAL/) {
my $data;
while (<TXT>) {
last if (/^END/);
chomp;
my @octets = split(/\\/);
shift @octets;
for (@octets) {
$data .= chr(oct);
}
}
while (<TXT>) {
last if (/^#$/);
$untrusted = 1 if (/^CKA_TRUST_SERVER_AUTH\s+CK_TRUST\s+CKT_NSS_NOT_TRUSTED$/
or /^CKA_TRUST_SERVER_AUTH\s+CK_TRUST\s+CKT_NSS_TRUST_UNKNOWN$/);
}
if ($untrusted) {
$skipnum ++;
} else {
my $pem = "-----BEGIN CERTIFICATE-----\n"
. MIME::Base64::encode($data)
. "-----END CERTIFICATE-----\n";
open(CRT, ">>$crt") or die "Couldn't open $crt: $!";
print CRT "\n$caname\n";
print CRT ("=" x length($caname) . "\n");
if (!$opt_t) {
print CRT $pem;
}
close(CRT) or die "Couldn't close $crt: $!";
if ($opt_t) {
open(TMP, "|$openssl x509 -md5 -fingerprint -text -inform PEM >> $crt") or die "Couldn't open openssl pipe: $!";
print TMP $pem;
close(TMP) or die "Couldn't close openssl pipe: $!";
}
print "Parsing: $caname\n" if ($opt_v);
$certnum ++;
}
}
}
close(TXT) or die "Couldn't close $txt: $!";
unlink $txt if ($opt_u);
print "Done ($certnum CA certs processed, $skipnum untrusted skipped).\n" if (!$opt_q);
exit;
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