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https://github.com/moparisthebest/curl
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cc4ac82bb6
1. When the downloaded data file from Mozilla is current, but the output bundle does not exist: continue processing to create the bundle. The goal is to have the output file - not just download the latest input. 2. added -f option to force re-processing the file. Useful for debugging/testing the process. 3. added support for output to '-' (stdout), allowing the output to be piped. 4. All progress and error messages go to STDERR rather than STDOUT (3) 5. The script opened and closed the output file many times unnecessarily. It now opens it once, does the output and closes it. 6. Backup of the input files happens after successful processing, not before. 7. The output is written to a temporary file, and renamed to the requested name after backup - this greatly reduces the window where the file can be seen partially written. 8. all die calls have a \n at the end to suppress perl's traceback - the traceback isn't useful to end users. Patch: http://curl.haxx.se/mail/lib-2013-01/0045.html
224 lines
7.3 KiB
Perl
Executable File
224 lines
7.3 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);
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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 $version = '1.17';
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getopts('bfhilnqtuv');
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if ($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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$0 =~ s@.*(/|\\)@@;
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if ($opt_h) {
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printf("Usage:\t%s [-b] [-f] [-i] [-l] [-n] [-q] [-t] [-u] [-v] [<outputfile>]\n", $0);
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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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exit;
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}
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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 $untrusted = 0;
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if ($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_NOT_TRUSTED$/
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or /^CKA_TRUST_SERVER_AUTH\s+CK_TRUST\s+CKT_NSS_TRUST_UNKNOWN$/) {
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$untrusted = 1;
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}
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}
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if ($untrusted) {
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$skipnum ++;
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} else {
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my $pem = "-----BEGIN CERTIFICATE-----\n"
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. MIME::Base64::encode($data)
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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 $pem;
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}
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if ($opt_t) {
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open(TMP, "|$openssl x509 -md5 -fingerprint -text -inform PEM >> $crt") or die "Couldn't open openssl pipe: $!\n";
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print TMP $pem;
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close(TMP) or die "Couldn't close openssl pipe: $!\n";
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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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