/pidgin/main: d044fd4a4cb9: Import mk-ca-bundle.pl
Richard Laager <[email protected]>
| Newsgroups | gmane.comp.gnome.gaim.cvs |
|---|---|
| Message-ID | <[email protected]> |
Changeset: d044fd4a4cb9a6e6beb59736d2cb0f6434fafeab Author: Richard Laager <[email protected]> Date: 2016-06-17 23:20 -0500 Branch: release-2.x.y URL: https://hg.pidgin.im/pidgin/main/rev/d044fd4a4cb9 Description: Import mk-ca-bundle.pl This is used to generate mozilla.pem. diffstat: share/ca-certs/mk-ca-bundle.pl | 499 +++++++++++++++++++++++++++++++++++++++++ 1 files changed, 499 insertions(+), 0 deletions(-) diffs (truncated from 504 to 300 lines): diff --git a/share/ca-certs/mk-ca-bundle.pl b/share/ca-certs/mk-ca-bundle.pl new file mode 100755 --- /dev/null +++ b/share/ca-certs/mk-ca-bundle.pl @@ -0,0 +1,499 @@ +#!/usr/bin/perl -w +# *************************************************************************** +# * _ _ ____ _ +# * Project ___| | | | _ \| | +# * / __| | | | |_) | | +# * | (__| |_| | _ <| |___ +# * \___|\___/|_| \_\_____| +# * +# * Copyright (C) 1998 - 2014, Daniel Stenberg, <[email protected]>, 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 https://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_d $opt_f $opt_h $opt_i $opt_l $opt_n $opt_p $opt_q $opt_s $opt_t $opt_u $opt_v $opt_w); +use List::Util; +use Text::Wrap; +my $MOD_SHA = "Digest::SHA"; +eval "require $MOD_SHA"; +if ($@) { + $MOD_SHA = "Digest::SHA::PurePerl"; + eval "require $MOD_SHA"; +} + +my %urls = ( + 'nss' => + 'http://hg.mozilla.org/projects/nss/raw-file/tip/lib/ckfw/builtins/certdata.txt', + 'central' => + 'http://hg.mozilla.org/mozilla-central/raw-file/default/security/nss/lib/ckfw/builtins/certdata.txt', + 'aurora' => + 'http://hg.mozilla.org/releases/mozilla-aurora/raw-file/default/security/nss/lib/ckfw/builtins/certdata.txt', + 'beta' => + 'http://hg.mozilla.org/releases/mozilla-beta/raw-file/default/security/nss/lib/ckfw/builtins/certdata.txt', + 'release' => + 'http://hg.mozilla.org/releases/mozilla-release/raw-file/default/security/nss/lib/ckfw/builtins/certdata.txt', +); + +$opt_d = 'release'; + +# If the OpenSSL commandline is not in search path you can configure it here! +my $openssl = 'openssl'; + +my $version = '1.25'; + +$opt_w = 76; # default base64 encoded lines length + +# default cert types to include in the output (default is to include CAs which may issue SSL server certs) +my $default_mozilla_trust_purposes = "SERVER_AUTH"; +my $default_mozilla_trust_levels = "TRUSTED_DELEGATOR"; +$opt_p = $default_mozilla_trust_purposes . ":" . $default_mozilla_trust_levels; + +my @valid_mozilla_trust_purposes = ( + "DIGITAL_SIGNATURE", + "NON_REPUDIATION", + "KEY_ENCIPHERMENT", + "DATA_ENCIPHERMENT", + "KEY_AGREEMENT", + "KEY_CERT_SIGN", + "CRL_SIGN", + "SERVER_AUTH", + "CLIENT_AUTH", + "CODE_SIGNING", + "EMAIL_PROTECTION", + "IPSEC_END_SYSTEM", + "IPSEC_TUNNEL", + "IPSEC_USER", + "TIME_STAMPING", + "STEP_UP_APPROVED" +); + +my @valid_mozilla_trust_levels = ( + "TRUSTED_DELEGATOR", # CAs + "NOT_TRUSTED", # Don't trust these certs. + "MUST_VERIFY_TRUST", # This explicitly tells us that it ISN'T a CA but is otherwise ok. In other words, this should tell the app to ignore any other sources that claim this is a CA. + "TRUSTED" # This cert is trusted, but only for itself and not for delegates (i.e. it is not a CA). +); + +my $default_signature_algorithms = $opt_s = "MD5"; + +my @valid_signature_algorithms = ( + "MD5", + "SHA1", + "SHA256", + "SHA384", + "SHA512" +); + +$0 =~ s@.*(/|\\)@@; +$Getopt::Std::STANDARD_HELP_VERSION = 1; +getopts('bd:fhilnp:qs:tuvw:'); + +if(!defined($opt_d)) { + # to make plain "-d" use not cause warnings, and actually still work + $opt_d = 'release'; +} + +# Use predefined URL or else custom URL specified on command line. +my $url = ( defined( $urls{$opt_d} ) ) ? $urls{$opt_d} : $opt_d; + +my $curl = `curl -V`; + +if ($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 "Digest::SHA.pm Version : ${Digest::SHA::VERSION}\n" if ($Digest::SHA::VERSION); + print "Digest::SHA::PurePerl.pm Version : ${Digest::SHA::PurePerl::VERSION}\n" if ($Digest::SHA::PurePerl::VERSION); + print ("=" x 78 . "\n"); +} + +sub warning_message() { + if ( $opt_d =~ m/^risk$/i ) { # Long Form Warning and Exit + print "Warning: Use of this script may pose some risk:\n"; + print "\n"; + print " 1) Using http is subject to man in the middle attack of certdata content\n"; + print " 2) Default to 'release', but more recent updates may be found in other trees\n"; + print " 3) certdata.txt file format may change, lag time to update this script\n"; + print " 4) Generally unwise to blindly trust CAs without manual review & verification\n"; + print " 5) Mozilla apps use additional security checks aren't represented in certdata\n"; + print " 6) Use of this script will make a security engineer grind his teeth and\n"; + print " swear at you. ;)\n"; + exit; + } else { # Short Form Warning + print "Warning: Use of this script may pose some risk, -d risk for more details.\n"; + } +} + +sub HELP_MESSAGE() { + print "Usage:\t${0} [-b] [-d<certdata>] [-f] [-i] [-l] [-n] [-p<purposes:levels>] [-q] [-s<algorithms>] [-t] [-u] [-v] [-w<l>] [<outputfile>]\n"; + print "\t-b\tbackup an existing version of ca-bundle.crt\n"; + print "\t-d\tspecify Mozilla tree to pull certdata.txt or custom URL\n"; + print "\t\t Valid names are:\n"; + print "\t\t ", join( ", ", map { ( $_ =~ m/$opt_d/ ) ? "$_ (default)" : "$_" } sort keys %urls ), "\n"; + print "\t-f\tforce rebuild even if certdata.txt is current\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 wrap("\t","\t\t", "-p\tlist of Mozilla trust purposes and levels for certificates to include in output. Takes the form of a comma separated list of purposes, a colon, and a comma separated list of levels. (default: $default_mozilla_trust_purposes:$default_mozilla_trust_levels)"), "\n"; + print "\t\t Valid purposes are:\n"; + print wrap("\t\t ","\t\t ", join( ", ", "ALL", @valid_mozilla_trust_purposes ) ), "\n"; + print "\t\t Valid levels are:\n"; + print wrap("\t\t ","\t\t ", join( ", ", "ALL", @valid_mozilla_trust_levels ) ), "\n"; + print "\t-q\tbe really quiet (no progress output at all)\n"; + print wrap("\t","\t\t", "-s\tcomma separated list of certificate signatures/hashes to output in plain text mode. (default: $default_signature_algorithms)\n"); + print "\t\t Valid signature algorithms are:\n"; + print wrap("\t\t ","\t\t ", join( ", ", "ALL", @valid_signature_algorithms ) ), "\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"; + print "\t-w <l>\twrap base64 output lines after <l> chars (default: ${opt_w})\n"; + exit; +} + +sub VERSION_MESSAGE() { + print "${0} version ${version} running Perl ${]} on ${^O}\n"; +} + +warning_message() unless ($opt_q || $url =~ m/^(ht|f)tps:/i ); +HELP_MESSAGE() if ($opt_h); + +sub report($@) { + my $output = shift; + + print STDERR $output . "\n" unless $opt_q; +} + +sub is_in_list($@) { + my $target = shift; + + return defined(List::Util::first { $target eq $_ } @_); +} + +# Parses $param_string as a case insensitive comma separated list with optional whitespace +# validates that only allowed parameters are supplied +sub parse_csv_param($$@) { + my $description = shift; + my $param_string = shift; + my @valid_values = @_; + + my @values = map { + s/^\s+//; # strip leading spaces + s/\s+$//; # strip trailing spaces + uc $_ # return the modified string as upper case + } split( ',', $param_string ); + + # Find all values which are not in the list of valid values or "ALL" + my @invalid = grep { !is_in_list($_,"ALL",@valid_values) } @values; + + if ( scalar(@invalid) > 0 ) { + # Tell the user which parameters were invalid and print the standard help message which will exit + print "Error: Invalid ", $description, scalar(@invalid) == 1 ? ": " : "s: ", join( ", ", map { "\"$_\"" } @invalid ), "\n"; + HELP_MESSAGE(); + } + + @values = @valid_values if ( is_in_list("ALL",@values) ); + + return @values; +} + +sub sha1 { + my $result; + if ($Digest::SHA::VERSION || $Digest::SHA::PurePerl::VERSION) { + open(FILE, $_[0]) or die "Can't open '$_[0]': $!"; + binmode(FILE); + $result = $MOD_SHA->new(1)->addfile(*FILE)->hexdigest; + close(FILE); + } else { + # Use OpenSSL command if Perl Digest::SHA modules not available + $result = (split(/ |\r|\n/,`$openssl dgst -sha1 $_[0]`))[1]; + } + return $result; +} + + +sub oldsha1 { + my $sha1 = ""; + open(C, "<$_[0]") || return 0; + while(<C>) { + chomp; + if($_ =~ /^\#\# SHA1: (.*)/) { + $sha1 = $1; + last; + } + } + close(C); + return $sha1; +} + +if ( $opt_p !~ m/:/ ) { + print "Error: Mozilla trust identifier list must include both purposes and levels\n"; + HELP_MESSAGE(); +} + +(my $included_mozilla_trust_purposes_string, my $included_mozilla_trust_levels_string) = split( ':', $opt_p ); +my @included_mozilla_trust_purposes = parse_csv_param( "trust purpose", $included_mozilla_trust_purposes_string, @valid_mozilla_trust_purposes ); +my @included_mozilla_trust_levels = parse_csv_param( "trust level", $included_mozilla_trust_levels_string, @valid_mozilla_trust_levels ); + +my @included_signature_algorithms = parse_csv_param( "signature algorithm", $opt_s, @valid_signature_algorithms ); + +sub should_output_cert(%) { + my %trust_purposes_by_level = @_; + + foreach my $level (@included_mozilla_trust_levels) { + # for each level we want to output, see if any of our desired purposes are included + return 1 if ( defined( List::Util::first { is_in_list( $_, @included_mozilla_trust_purposes ) } @{$trust_purposes_by_level{$level}} ) ); + } + + return 0; +} + +my $crt = $ARGV[0] || 'ca-bundle.crt'; +(my $txt = $url) =~ s@(.*/|\?.*)@@g; + +my $stdout = $crt eq '-'; +my $resp; +my $fetched; + +my $oldsha1 = oldsha1($crt); + +report "SHA1 of old file: $oldsha1"; + +report "Downloading '$txt' ..."; + +if($curl && !$opt_n) { + my $https = $url; + $https =~ s/^http:/https:/; + report "Get certdata over HTTPS with curl!"; + my $quiet = $opt_q ? "-s" : ""; _______________________________________________ Commits mailing list [email protected] https://pidgin.im/cgi-bin/mailman/listinfo/commits