mirror of
https://github.com/moparisthebest/curl
synced 2024-11-15 14:05:03 -05:00
0ce410a629
This changes the previous check for untrusted certs to a check for certs explicitely marked as trusted. The change is backward-compatible (tested with certdata.txt v1.80).
242 lines
7.9 KiB
Perl
Executable File
242 lines
7.9 KiB
Perl
Executable File
#!/usr/bin/perl -w
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# ***************************************************************************
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# * _ _ ____ _
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# * Project ___| | | | _ \| |
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# * / __| | | | |_) | |
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# * | (__| |_| | _ <| |___
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# * \___|\___/|_| \_\_____|
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# *
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# * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
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# *
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# * This software is licensed as described in the file COPYING, which
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# * you should have received as part of this distribution. The terms
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# * are also available at http://curl.haxx.se/docs/copyright.html.
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# *
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# * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# * copies of the Software, and permit persons to whom the Software is
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# * furnished to do so, under the terms of the COPYING file.
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# *
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# * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# * KIND, either express or implied.
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# *
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# ***************************************************************************
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# This Perl script creates a fresh ca-bundle.crt file for use with libcurl.
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# It downloads certdata.txt from Mozilla's source tree (see URL below),
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# then parses certdata.txt and extracts CA Root Certificates into PEM format.
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# These are then processed with the OpenSSL commandline tool to produce the
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# final ca-bundle.crt file.
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# The script is based on the parse-certs script written by Roland Krikava.
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# This Perl script works on almost any platform since its only external
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# dependency is the OpenSSL commandline tool for optional text listing.
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# Hacked by Guenter Knauf.
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#
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use Getopt::Std;
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use MIME::Base64;
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use LWP::UserAgent;
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use strict;
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use vars qw($opt_b $opt_f $opt_h $opt_i $opt_l $opt_n $opt_q $opt_t $opt_u $opt_v $opt_w);
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my $url = 'http://mxr.mozilla.org/mozilla/source/security/nss/lib/ckfw/builtins/certdata.txt?raw=1';
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# If the OpenSSL commandline is not in search path you can configure it here!
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my $openssl = 'openssl';
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my $version = '1.19';
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$opt_w = 76; # default base64 encoded lines length
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$0 =~ s@.*(/|\\)@@;
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$Getopt::Std::STANDARD_HELP_VERSION = 1;
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getopts('bfhilnqtuvw:');
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if ($opt_i) {
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print ("=" x 78 . "\n");
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print "Script Version : $version\n";
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print "Perl Version : $]\n";
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print "Operating System Name : $^O\n";
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print "Getopt::Std.pm Version : ${Getopt::Std::VERSION}\n";
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print "MIME::Base64.pm Version : ${MIME::Base64::VERSION}\n";
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print "LWP::UserAgent.pm Version : ${LWP::UserAgent::VERSION}\n";
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print "LWP.pm Version : ${LWP::VERSION}\n";
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print ("=" x 78 . "\n");
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}
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sub HELP_MESSAGE() {
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print "Usage:\t${0} [-b] [-f] [-i] [-l] [-n] [-q] [-t] [-u] [-v] [-w<l>] [<outputfile>]\n";
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print "\t-b\tbackup an existing version of ca-bundle.crt\n";
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print "\t-f\tforce rebuild even if certdata.txt is current\n";
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print "\t-i\tprint version info about used modules\n";
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print "\t-l\tprint license info about certdata.txt\n";
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print "\t-n\tno download of certdata.txt (to use existing)\n";
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print "\t-q\tbe really quiet (no progress output at all)\n";
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print "\t-t\tinclude plain text listing of certificates\n";
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print "\t-u\tunlink (remove) certdata.txt after processing\n";
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print "\t-v\tbe verbose and print out processed CAs\n";
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print "\t-w <l>\twrap base64 output lines after <l> chars (default: ${opt_w})\n";
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exit;
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}
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sub VERSION_MESSAGE() {
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print "${0} version ${version} running Perl ${]} on ${^O}\n";
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}
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HELP_MESSAGE() if ($opt_h);
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my $crt = $ARGV[0] || 'ca-bundle.crt';
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(my $txt = $url) =~ s@(.*/|\?.*)@@g;
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my $stdout = $crt eq '-';
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my $resp;
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my $fetched;
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unless ($opt_n and -e $txt) {
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print STDERR "Downloading '$txt' ...\n" if (!$opt_q);
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my $ua = new LWP::UserAgent(agent => "$0/$version");
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$ua->env_proxy();
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$resp = $ua->mirror($url, $txt);
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if ($resp && $resp->code eq '304') {
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print STDERR "Not modified\n" unless $opt_q;
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exit 0 if -e $crt && !$opt_f;
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} else {
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$fetched = 1;
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}
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if( !$resp || $resp->code !~ /^(?:200|304)$/ ) {
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print STDERR "Unable to download latest data: "
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. ($resp? $resp->code . ' - ' . $resp->message : "LWP failed") . "\n"
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unless $opt_q;
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exit 1 if -e $crt || ! -r $txt;
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}
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}
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my $currentdate = scalar gmtime($fetched ? $resp->last_modified : (stat($txt))[9]);
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my $format = $opt_t ? "plain text and " : "";
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if( $stdout ) {
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open(CRT, '> -') or die "Couldn't open STDOUT: $!\n";
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} else {
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open(CRT,">$crt.~") or die "Couldn't open $crt.~: $!\n";
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}
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print CRT <<EOT;
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##
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## $crt -- Bundle of CA Root Certificates
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##
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## Certificate data from Mozilla as of: ${currentdate}
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##
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## This is a bundle of X.509 certificates of public Certificate Authorities
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## (CA). These were automatically extracted from Mozilla's root certificates
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## file (certdata.txt). This file can be found in the mozilla source tree:
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## ${url}
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##
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## It contains the certificates in ${format}PEM format and therefore
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## can be directly used with curl / libcurl / php_curl, or with
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## an Apache+mod_ssl webserver for SSL client authentication.
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## Just configure this file as the SSLCACertificateFile.
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##
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EOT
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print STDERR "Processing '$txt' ...\n" if (!$opt_q);
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my $caname;
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my $certnum = 0;
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my $skipnum = 0;
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my $start_of_cert = 0;
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open(TXT,"$txt") or die "Couldn't open $txt: $!\n";
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while (<TXT>) {
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if (/\*\*\*\*\* BEGIN LICENSE BLOCK \*\*\*\*\*/) {
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print CRT;
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print if ($opt_l);
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while (<TXT>) {
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print CRT;
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print if ($opt_l);
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last if (/\*\*\*\*\* END LICENSE BLOCK \*\*\*\*\*/);
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}
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}
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next if /^#|^\s*$/;
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chomp;
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if (/^CVS_ID\s+\"(.*)\"/) {
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print CRT "# $1\n";
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}
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# this is a match for the start of a certificate
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if (/^CKA_CLASS CK_OBJECT_CLASS CKO_CERTIFICATE/) {
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$start_of_cert = 1
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}
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if ($start_of_cert && /^CKA_LABEL UTF8 \"(.*)\"/) {
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$caname = $1;
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}
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my $untrusted = 1;
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if ($start_of_cert && /^CKA_VALUE MULTILINE_OCTAL/) {
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my $data;
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while (<TXT>) {
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last if (/^END/);
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chomp;
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my @octets = split(/\\/);
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shift @octets;
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for (@octets) {
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$data .= chr(oct);
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}
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}
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# scan forwards until the trust part
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while (<TXT>) {
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last if (/^CKA_CLASS CK_OBJECT_CLASS CKO_NSS_TRUST/);
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chomp;
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}
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# now scan the trust part for untrusted certs
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while (<TXT>) {
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last if (/^#/);
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if (/^CKA_TRUST_SERVER_AUTH\s+CK_TRUST\s+CKT_NSS_TRUSTED_DELEGATOR$/) {
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$untrusted = 0;
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}
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}
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if ($untrusted) {
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$skipnum ++;
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} else {
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my $encoded = MIME::Base64::encode_base64($data, '');
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$encoded =~ s/(.{1,${opt_w}})/$1\n/g;
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my $pem = "-----BEGIN CERTIFICATE-----\n"
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. $encoded
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. "-----END CERTIFICATE-----\n";
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print CRT "\n$caname\n";
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print CRT ("=" x length($caname) . "\n");
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if (!$opt_t) {
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print CRT $pem;
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} else {
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my $pipe = "|$openssl x509 -md5 -fingerprint -text -inform PEM";
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if (!$stdout) {
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$pipe .= " >> $crt.~";
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close(CRT) or die "Couldn't close $crt.~: $!";
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}
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open(TMP, $pipe) or die "Couldn't open openssl pipe: $!";
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print TMP $pem;
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close(TMP) or die "Couldn't close openssl pipe: $!";
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if (!$stdout) {
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open(CRT, ">>$crt.~") or die "Couldn't open $crt.~: $!";
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}
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}
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print STDERR "Parsing: $caname\n" if ($opt_v);
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$certnum ++;
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$start_of_cert = 0;
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}
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}
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}
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close(TXT) or die "Couldn't close $txt: $!\n";
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close(CRT) or die "Couldn't close $crt.~: $!\n";
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unless( $stdout ) {
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if ($opt_b && -e $crt) {
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my $bk = 1;
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while (-e "$crt.~${bk}~") {
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$bk++;
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}
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rename $crt, "$crt.~${bk}~" or die "Failed to create backup $crt.~$bk}~: $!\n";
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} elsif( -e $crt ) {
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unlink( $crt ) or die "Failed to remove $crt: $!\n";
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}
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rename "$crt.~", $crt or die "Failed to rename $crt.~ to $crt: $!\n";
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}
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unlink $txt if ($opt_u);
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print STDERR "Done ($certnum CA certs processed, $skipnum untrusted skipped).\n" if (!$opt_q);
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exit;
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