1#!/usr/bin/env perl 2# *************************************************************************** 3# * _ _ ____ _ 4# * Project ___| | | | _ \| | 5# * / __| | | | |_) | | 6# * | (__| |_| | _ <| |___ 7# * \___|\___/|_| \_\_____| 8# * 9# * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 10# * 11# * This software is licensed as described in the file COPYING, which 12# * you should have received as part of this distribution. The terms 13# * are also available at https://curl.se/docs/copyright.html. 14# * 15# * You may opt to use, copy, modify, merge, publish, distribute and/or sell 16# * copies of the Software, and permit persons to whom the Software is 17# * furnished to do so, under the terms of the COPYING file. 18# * 19# * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 20# * KIND, either express or implied. 21# * 22# * SPDX-License-Identifier: curl 23# * 24# *************************************************************************** 25# This Perl script creates a fresh ca-bundle.crt file for use with libcurl. 26# It downloads certdata.txt from Mozilla's source tree (see URL below), 27# then parses certdata.txt and extracts CA Root Certificates into PEM format. 28# These are then processed with the OpenSSL commandline tool to produce the 29# final ca-bundle.crt file. 30# The script is based on the parse-certs script written by Roland Krikava. 31# This Perl script works on almost any platform since its only external 32# dependency is the OpenSSL commandline tool for optional text listing. 33# Hacked by Guenter Knauf. 34# 35use Encode; 36use Getopt::Std; 37use MIME::Base64; 38use strict; 39use warnings; 40use vars qw($opt_b $opt_d $opt_f $opt_h $opt_i $opt_k $opt_l $opt_m $opt_n $opt_p $opt_q $opt_s $opt_t $opt_u $opt_v $opt_w); 41use List::Util; 42use Text::Wrap; 43use Time::Local; 44my $MOD_SHA = "Digest::SHA"; 45eval "require $MOD_SHA"; 46if ($@) { 47 $MOD_SHA = "Digest::SHA::PurePerl"; 48 eval "require $MOD_SHA"; 49} 50eval "require LWP::UserAgent"; 51 52my %urls = ( 53 'nss' => 54 'https://hg.mozilla.org/projects/nss/raw-file/default/lib/ckfw/builtins/certdata.txt', 55 'central' => 56 'https://hg.mozilla.org/mozilla-central/raw-file/default/security/nss/lib/ckfw/builtins/certdata.txt', 57 'beta' => 58 'https://hg.mozilla.org/releases/mozilla-beta/raw-file/default/security/nss/lib/ckfw/builtins/certdata.txt', 59 'release' => 60 'https://hg.mozilla.org/releases/mozilla-release/raw-file/default/security/nss/lib/ckfw/builtins/certdata.txt', 61); 62 63$opt_d = 'release'; 64 65# If the OpenSSL commandline is not in search path you can configure it here! 66my $openssl = 'openssl'; 67 68my $version = '1.29'; 69 70$opt_w = 76; # default base64 encoded lines length 71 72# default cert types to include in the output (default is to include CAs which 73# may issue SSL server certs) 74my $default_mozilla_trust_purposes = "SERVER_AUTH"; 75my $default_mozilla_trust_levels = "TRUSTED_DELEGATOR"; 76$opt_p = $default_mozilla_trust_purposes . ":" . $default_mozilla_trust_levels; 77 78my @valid_mozilla_trust_purposes = ( 79 "DIGITAL_SIGNATURE", 80 "NON_REPUDIATION", 81 "KEY_ENCIPHERMENT", 82 "DATA_ENCIPHERMENT", 83 "KEY_AGREEMENT", 84 "KEY_CERT_SIGN", 85 "CRL_SIGN", 86 "SERVER_AUTH", 87 "CLIENT_AUTH", 88 "CODE_SIGNING", 89 "EMAIL_PROTECTION", 90 "IPSEC_END_SYSTEM", 91 "IPSEC_TUNNEL", 92 "IPSEC_USER", 93 "TIME_STAMPING", 94 "STEP_UP_APPROVED" 95); 96 97my @valid_mozilla_trust_levels = ( 98 "TRUSTED_DELEGATOR", # CAs 99 "NOT_TRUSTED", # Don't trust these certs. 100 "MUST_VERIFY_TRUST", # This explicitly tells us that it ISN'T a CA but is 101 # otherwise ok. In other words, this should tell the 102 # app to ignore any other sources that claim this is 103 # a CA. 104 "TRUSTED" # This cert is trusted, but only for itself and not 105 # for delegates (i.e. it is not a CA). 106); 107 108my $default_signature_algorithms = $opt_s = "MD5"; 109 110my @valid_signature_algorithms = ( 111 "MD5", 112 "SHA1", 113 "SHA256", 114 "SHA384", 115 "SHA512" 116); 117 118$0 =~ s@.*(/|\\)@@; 119$Getopt::Std::STANDARD_HELP_VERSION = 1; 120getopts('bd:fhiklmnp:qs:tuvw:'); 121 122if(!defined($opt_d)) { 123 # to make plain "-d" use not cause warnings, and actually still work 124 $opt_d = 'release'; 125} 126 127# Use predefined URL or else custom URL specified on command line. 128my $url; 129if(defined($urls{$opt_d})) { 130 $url = $urls{$opt_d}; 131 if(!$opt_k && $url !~ /^https:\/\//i) { 132 die "The URL for '$opt_d' is not HTTPS. Use -k to override (insecure).\n"; 133 } 134} 135else { 136 $url = $opt_d; 137} 138 139my $curl = `curl -V`; 140 141if ($opt_i) { 142 print ("=" x 78 . "\n"); 143 print "Script Version : $version\n"; 144 print "Perl Version : $]\n"; 145 print "Operating System Name : $^O\n"; 146 print "Getopt::Std.pm Version : ${Getopt::Std::VERSION}\n"; 147 print "Encode::Encoding.pm Version : ${Encode::Encoding::VERSION}\n"; 148 print "MIME::Base64.pm Version : ${MIME::Base64::VERSION}\n"; 149 print "LWP::UserAgent.pm Version : ${LWP::UserAgent::VERSION}\n" if($LWP::UserAgent::VERSION); 150 print "LWP.pm Version : ${LWP::VERSION}\n" if($LWP::VERSION); 151 print "Digest::SHA.pm Version : ${Digest::SHA::VERSION}\n" if ($Digest::SHA::VERSION); 152 print "Digest::SHA::PurePerl.pm Version : ${Digest::SHA::PurePerl::VERSION}\n" if ($Digest::SHA::PurePerl::VERSION); 153 print ("=" x 78 . "\n"); 154} 155 156sub warning_message() { 157 if ( $opt_d =~ m/^risk$/i ) { # Long Form Warning and Exit 158 print "Warning: Use of this script may pose some risk:\n"; 159 print "\n"; 160 print " 1) If you use HTTP URLs they are subject to a man in the middle attack\n"; 161 print " 2) Default to 'release', but more recent updates may be found in other trees\n"; 162 print " 3) certdata.txt file format may change, lag time to update this script\n"; 163 print " 4) Generally unwise to blindly trust CAs without manual review & verification\n"; 164 print " 5) Mozilla apps use additional security checks aren't represented in certdata\n"; 165 print " 6) Use of this script will make a security engineer grind his teeth and\n"; 166 print " swear at you. ;)\n"; 167 exit; 168 } else { # Short Form Warning 169 print "Warning: Use of this script may pose some risk, -d risk for more details.\n"; 170 } 171} 172 173sub HELP_MESSAGE() { 174 print "Usage:\t${0} [-b] [-d<certdata>] [-f] [-i] [-k] [-l] [-n] [-p<purposes:levels>] [-q] [-s<algorithms>] [-t] [-u] [-v] [-w<l>] [<outputfile>]\n"; 175 print "\t-b\tbackup an existing version of ca-bundle.crt\n"; 176 print "\t-d\tspecify Mozilla tree to pull certdata.txt or custom URL\n"; 177 print "\t\t Valid names are:\n"; 178 print "\t\t ", join( ", ", map { ( $_ =~ m/$opt_d/ ) ? "$_ (default)" : "$_" } sort keys %urls ), "\n"; 179 print "\t-f\tforce rebuild even if certdata.txt is current\n"; 180 print "\t-i\tprint version info about used modules\n"; 181 print "\t-k\tallow URLs other than HTTPS, enable HTTP fallback (insecure)\n"; 182 print "\t-l\tprint license info about certdata.txt\n"; 183 print "\t-m\tinclude meta data in output\n"; 184 print "\t-n\tno download of certdata.txt (to use existing)\n"; 185 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"; 186 print "\t\t Valid purposes are:\n"; 187 print wrap("\t\t ","\t\t ", join( ", ", "ALL", @valid_mozilla_trust_purposes ) ), "\n"; 188 print "\t\t Valid levels are:\n"; 189 print wrap("\t\t ","\t\t ", join( ", ", "ALL", @valid_mozilla_trust_levels ) ), "\n"; 190 print "\t-q\tbe really quiet (no progress output at all)\n"; 191 print wrap("\t","\t\t", "-s\tcomma separated list of certificate signatures/hashes to output in plain text mode. (default: $default_signature_algorithms)\n"); 192 print "\t\t Valid signature algorithms are:\n"; 193 print wrap("\t\t ","\t\t ", join( ", ", "ALL", @valid_signature_algorithms ) ), "\n"; 194 print "\t-t\tinclude plain text listing of certificates\n"; 195 print "\t-u\tunlink (remove) certdata.txt after processing\n"; 196 print "\t-v\tbe verbose and print out processed CAs\n"; 197 print "\t-w <l>\twrap base64 output lines after <l> chars (default: ${opt_w})\n"; 198 exit; 199} 200 201sub VERSION_MESSAGE() { 202 print "${0} version ${version} running Perl ${]} on ${^O}\n"; 203} 204 205warning_message() unless ($opt_q || $url =~ m/^(ht|f)tps:/i ); 206HELP_MESSAGE() if ($opt_h); 207 208sub report($@) { 209 my $output = shift; 210 211 print STDERR $output . "\n" unless $opt_q; 212} 213 214sub is_in_list($@) { 215 my $target = shift; 216 217 return defined(List::Util::first { $target eq $_ } @_); 218} 219 220# Parses $param_string as a case insensitive comma separated list with optional 221# whitespace validates that only allowed parameters are supplied 222sub parse_csv_param($$@) { 223 my $description = shift; 224 my $param_string = shift; 225 my @valid_values = @_; 226 227 my @values = map { 228 s/^\s+//; # strip leading spaces 229 s/\s+$//; # strip trailing spaces 230 uc $_ # return the modified string as upper case 231 } split( ',', $param_string ); 232 233 # Find all values which are not in the list of valid values or "ALL" 234 my @invalid = grep { !is_in_list($_,"ALL",@valid_values) } @values; 235 236 if ( scalar(@invalid) > 0 ) { 237 # Tell the user which parameters were invalid and print the standard help 238 # message which will exit 239 print "Error: Invalid ", $description, scalar(@invalid) == 1 ? ": " : "s: ", join( ", ", map { "\"$_\"" } @invalid ), "\n"; 240 HELP_MESSAGE(); 241 } 242 243 @values = @valid_values if ( is_in_list("ALL",@values) ); 244 245 return @values; 246} 247 248sub sha256 { 249 my $result; 250 if ($Digest::SHA::VERSION || $Digest::SHA::PurePerl::VERSION) { 251 open(FILE, $_[0]) or die "Can't open '$_[0]': $!"; 252 binmode(FILE); 253 $result = $MOD_SHA->new(256)->addfile(*FILE)->hexdigest; 254 close(FILE); 255 } else { 256 # Use OpenSSL command if Perl Digest::SHA modules not available 257 $result = `"$openssl" dgst -r -sha256 "$_[0]"`; 258 $result =~ s/^([0-9a-f]{64}) .+/$1/is; 259 } 260 return $result; 261} 262 263 264sub oldhash { 265 my $hash = ""; 266 open(C, "<$_[0]") || return 0; 267 while(<C>) { 268 chomp; 269 if($_ =~ /^\#\# SHA256: (.*)/) { 270 $hash = $1; 271 last; 272 } 273 } 274 close(C); 275 return $hash; 276} 277 278if ( $opt_p !~ m/:/ ) { 279 print "Error: Mozilla trust identifier list must include both purposes and levels\n"; 280 HELP_MESSAGE(); 281} 282 283(my $included_mozilla_trust_purposes_string, my $included_mozilla_trust_levels_string) = split( ':', $opt_p ); 284my @included_mozilla_trust_purposes = parse_csv_param( "trust purpose", $included_mozilla_trust_purposes_string, @valid_mozilla_trust_purposes ); 285my @included_mozilla_trust_levels = parse_csv_param( "trust level", $included_mozilla_trust_levels_string, @valid_mozilla_trust_levels ); 286 287my @included_signature_algorithms = parse_csv_param( "signature algorithm", $opt_s, @valid_signature_algorithms ); 288 289sub should_output_cert(%) { 290 my %trust_purposes_by_level = @_; 291 292 foreach my $level (@included_mozilla_trust_levels) { 293 # for each level we want to output, see if any of our desired purposes are 294 # included 295 return 1 if ( defined( List::Util::first { is_in_list( $_, @included_mozilla_trust_purposes ) } @{$trust_purposes_by_level{$level}} ) ); 296 } 297 298 return 0; 299} 300 301my $crt = $ARGV[0] || 'ca-bundle.crt'; 302(my $txt = $url) =~ s@(.*/|\?.*)@@g; 303 304my $stdout = $crt eq '-'; 305my $resp; 306my $fetched; 307 308my $oldhash = oldhash($crt); 309 310report "SHA256 of old file: $oldhash"; 311 312if(!$opt_n) { 313 report "Downloading $txt ..."; 314 315 # If we have an HTTPS URL then use curl 316 if($url =~ /^https:\/\//i) { 317 if($curl) { 318 if($curl =~ /^Protocols:.* https( |$)/m) { 319 report "Get certdata with curl!"; 320 my $proto = !$opt_k ? "--proto =https" : ""; 321 my $quiet = $opt_q ? "-s" : ""; 322 my @out = `curl -w %{response_code} $proto $quiet -o "$txt" "$url"`; 323 if(!$? && @out && $out[0] == 200) { 324 $fetched = 1; 325 report "Downloaded $txt"; 326 } 327 else { 328 report "Failed downloading via HTTPS with curl"; 329 if(-e $txt && !unlink($txt)) { 330 report "Failed to remove '$txt': $!"; 331 } 332 } 333 } 334 else { 335 report "curl lacks https support"; 336 } 337 } 338 else { 339 report "curl not found"; 340 } 341 } 342 343 # If nothing was fetched then use LWP 344 if(!$fetched) { 345 if($url =~ /^https:\/\//i) { 346 report "Falling back to HTTP"; 347 $url =~ s/^https:\/\//http:\/\//i; 348 } 349 if(!$opt_k) { 350 report "URLs other than HTTPS are disabled by default, to enable use -k"; 351 exit 1; 352 } 353 report "Get certdata with LWP!"; 354 if(!defined(${LWP::UserAgent::VERSION})) { 355 report "LWP is not available (LWP::UserAgent not found)"; 356 exit 1; 357 } 358 my $ua = new LWP::UserAgent(agent => "$0/$version"); 359 $ua->env_proxy(); 360 $resp = $ua->mirror($url, $txt); 361 if($resp && $resp->code eq '304') { 362 report "Not modified"; 363 exit 0 if -e $crt && !$opt_f; 364 } 365 else { 366 $fetched = 1; 367 report "Downloaded $txt"; 368 } 369 if(!$resp || $resp->code !~ /^(?:200|304)$/) { 370 report "Unable to download latest data: " 371 . ($resp? $resp->code . ' - ' . $resp->message : "LWP failed"); 372 exit 1 if -e $crt || ! -r $txt; 373 } 374 } 375} 376 377my $filedate = $resp ? $resp->last_modified : (stat($txt))[9]; 378my $datesrc = "as of"; 379if(!$filedate) { 380 # mxr.mozilla.org gave us a time, hg.mozilla.org does not! 381 $filedate = time(); 382 $datesrc="downloaded on"; 383} 384 385# get the hash from the download file 386my $newhash= sha256($txt); 387 388if(!$opt_f && $oldhash eq $newhash) { 389 report "Downloaded file identical to previous run\'s source file. Exiting"; 390 if($opt_u && -e $txt && !unlink($txt)) { 391 report "Failed to remove $txt: $!\n"; 392 } 393 exit; 394} 395 396report "SHA256 of new file: $newhash"; 397 398my $currentdate = scalar gmtime($filedate); 399 400my $format = $opt_t ? "plain text and " : ""; 401if( $stdout ) { 402 open(CRT, '> -') or die "Couldn't open STDOUT: $!\n"; 403} else { 404 open(CRT,">$crt.~") or die "Couldn't open $crt.~: $!\n"; 405} 406print CRT <<EOT; 407## 408## Bundle of CA Root Certificates 409## 410## Certificate data from Mozilla ${datesrc}: ${currentdate} GMT 411## 412## This is a bundle of X.509 certificates of public Certificate Authorities 413## (CA). These were automatically extracted from Mozilla's root certificates 414## file (certdata.txt). This file can be found in the mozilla source tree: 415## ${url} 416## 417## It contains the certificates in ${format}PEM format and therefore 418## can be directly used with curl / libcurl / php_curl, or with 419## an Apache+mod_ssl webserver for SSL client authentication. 420## Just configure this file as the SSLCACertificateFile. 421## 422## Conversion done with mk-ca-bundle.pl version $version. 423## SHA256: $newhash 424## 425 426EOT 427 428report "Processing '$txt' ..."; 429my $caname; 430my $certnum = 0; 431my $skipnum = 0; 432my $start_of_cert = 0; 433my $main_block = 0; 434my $main_block_name; 435my $trust_block = 0; 436my $trust_block_name; 437my @precert; 438my $cka_value; 439my $valid = 0; 440 441open(TXT,"$txt") or die "Couldn't open $txt: $!\n"; 442while (<TXT>) { 443 if (/\*\*\*\*\* BEGIN LICENSE BLOCK \*\*\*\*\*/) { 444 print CRT; 445 print if ($opt_l); 446 while (<TXT>) { 447 print CRT; 448 print if ($opt_l); 449 last if (/\*\*\*\*\* END LICENSE BLOCK \*\*\*\*\*/); 450 } 451 next; 452 } 453 # The input file format consists of blocks of Mozilla objects. 454 # The blocks are separated by blank lines but may be related. 455 elsif(/^\s*$/) { 456 $main_block = 0; 457 $trust_block = 0; 458 next; 459 } 460 # Each certificate has a main block. 461 elsif(/^# Certificate "(.*)"/) { 462 (!$main_block && !$trust_block) or die "Unexpected certificate block"; 463 $main_block = 1; 464 $main_block_name = $1; 465 # Reset all other certificate variables. 466 $trust_block = 0; 467 $trust_block_name = ""; 468 $valid = 0; 469 $start_of_cert = 0; 470 $caname = ""; 471 $cka_value = ""; 472 undef @precert; 473 next; 474 } 475 # Each certificate's main block is followed by a trust block. 476 elsif(/^# Trust for (?:Certificate )?"(.*)"/) { 477 (!$main_block && !$trust_block) or die "Unexpected trust block"; 478 $trust_block = 1; 479 $trust_block_name = $1; 480 if($main_block_name ne $trust_block_name) { 481 die "cert name \"$main_block_name\" != trust name \"$trust_block_name\""; 482 } 483 next; 484 } 485 # Ignore other blocks. 486 # 487 # There is a documentation comment block, a BEGINDATA block, and a bunch of 488 # blocks starting with "# Explicitly Distrust <certname>". 489 # 490 # The latter is for certificates that have already been removed and are not 491 # included. Not all explicitly distrusted certificates are ignored at this 492 # point, just those without an actual certificate. 493 elsif(!$main_block && !$trust_block) { 494 next; 495 } 496 elsif(/^#/) { 497 # The commented lines in a main block are plaintext metadata that describes 498 # the certificate. Issuer, Subject, Fingerprint, etc. 499 if($main_block) { 500 push @precert, $_ if not /^#$/; 501 if(/^# Not Valid After : (.*)/) { 502 my $stamp = $1; 503 use Time::Piece; 504 # Not Valid After : Thu Sep 30 14:01:15 2021 505 my $t = Time::Piece->strptime($stamp, "%a %b %d %H:%M:%S %Y"); 506 my $delta = ($t->epoch - time()); # negative means no longer valid 507 if($delta < 0) { 508 $skipnum++; 509 report "Skipping: $main_block_name is not valid anymore" if ($opt_v); 510 $valid = 0; 511 } 512 else { 513 $valid = 1; 514 } 515 } 516 } 517 next; 518 } 519 elsif(!$valid) { 520 next; 521 } 522 523 chomp; 524 525 if($main_block) { 526 if(/^CKA_CLASS CK_OBJECT_CLASS CKO_CERTIFICATE/) { 527 !$start_of_cert or die "Duplicate CKO_CERTIFICATE object"; 528 $start_of_cert = 1; 529 next; 530 } 531 elsif(!$start_of_cert) { 532 next; 533 } 534 elsif(/^CKA_LABEL UTF8 \"(.*)\"/) { 535 ($caname eq "") or die "Duplicate CKA_LABEL attribute"; 536 $caname = $1; 537 if($caname ne $main_block_name) { 538 die "caname \"$caname\" != cert name \"$main_block_name\""; 539 } 540 next; 541 } 542 elsif(/^CKA_VALUE MULTILINE_OCTAL/) { 543 ($cka_value eq "") or die "Duplicate CKA_VALUE attribute"; 544 while (<TXT>) { 545 last if (/^END/); 546 chomp; 547 my @octets = split(/\\/); 548 shift @octets; 549 for (@octets) { 550 $cka_value .= chr(oct); 551 } 552 } 553 next; 554 } 555 elsif (/^CKA_NSS_SERVER_DISTRUST_AFTER (CK_BBOOL CK_FALSE|MULTILINE_OCTAL)/) { 556 # Example: 557 # CKA_NSS_SERVER_DISTRUST_AFTER MULTILINE_OCTAL 558 # \062\060\060\066\061\067\060\060\060\060\060\060\132 559 # END 560 if($1 eq "MULTILINE_OCTAL") { 561 my @timestamp; 562 while (<TXT>) { 563 last if (/^END/); 564 chomp; 565 my @octets = split(/\\/); 566 shift @octets; 567 for (@octets) { 568 push @timestamp, chr(oct); 569 } 570 } 571 scalar(@timestamp) == 13 or die "Failed parsing timestamp"; 572 # A trailing Z in the timestamp signifies UTC 573 if($timestamp[12] ne "Z") { 574 report "distrust date stamp is not using UTC"; 575 } 576 # Example date: 200617000000Z 577 # Means 2020-06-17 00:00:00 UTC 578 my $distrustat = 579 timegm($timestamp[10] . $timestamp[11], # second 580 $timestamp[8] . $timestamp[9], # minute 581 $timestamp[6] . $timestamp[7], # hour 582 $timestamp[4] . $timestamp[5], # day 583 ($timestamp[2] . $timestamp[3]) - 1, # month 584 "20" . $timestamp[0] . $timestamp[1]); # year 585 if(time >= $distrustat) { 586 # not trusted anymore 587 $skipnum++; 588 report "Skipping: $main_block_name is not trusted anymore" if ($opt_v); 589 $valid = 0; 590 } 591 else { 592 # still trusted 593 } 594 } 595 next; 596 } 597 else { 598 next; 599 } 600 } 601 602 if(!$trust_block || !$start_of_cert || $caname eq "" || $cka_value eq "") { 603 die "Certificate extraction failed"; 604 } 605 606 my %trust_purposes_by_level; 607 608 if(/^CKA_CLASS CK_OBJECT_CLASS CKO_NSS_TRUST/) { 609 # now scan the trust part to determine how we should trust this cert 610 while (<TXT>) { 611 if(/^\s*$/) { 612 $trust_block = 0; 613 last; 614 } 615 if (/^CKA_TRUST_([A-Z_]+)\s+CK_TRUST\s+CKT_NSS_([A-Z_]+)\s*$/) { 616 if ( !is_in_list($1,@valid_mozilla_trust_purposes) ) { 617 report "Warning: Unrecognized trust purpose for cert: $caname. Trust purpose: $1. Trust Level: $2"; 618 } elsif ( !is_in_list($2,@valid_mozilla_trust_levels) ) { 619 report "Warning: Unrecognized trust level for cert: $caname. Trust purpose: $1. Trust Level: $2"; 620 } else { 621 push @{$trust_purposes_by_level{$2}}, $1; 622 } 623 } 624 } 625 626 # Sanity check that an explicitly distrusted certificate only has trust 627 # purposes with a trust level of NOT_TRUSTED. 628 # 629 # Certificate objects that are explicitly distrusted are in a certificate 630 # block that starts # Certificate "Explicitly Distrust(ed) <certname>", 631 # where "Explicitly Distrust(ed) " was prepended to the original cert name. 632 if($caname =~ /distrust/i || 633 $main_block_name =~ /distrust/i || 634 $trust_block_name =~ /distrust/i) { 635 my @levels = keys %trust_purposes_by_level; 636 if(scalar(@levels) != 1 || $levels[0] ne "NOT_TRUSTED") { 637 die "\"$caname\" must have all trust purposes at level NOT_TRUSTED."; 638 } 639 } 640 641 if ( !should_output_cert(%trust_purposes_by_level) ) { 642 $skipnum ++; 643 report "Skipping: $caname lacks acceptable trust level" if ($opt_v); 644 } else { 645 my $encoded = MIME::Base64::encode_base64($cka_value, ''); 646 $encoded =~ s/(.{1,${opt_w}})/$1\n/g; 647 my $pem = "-----BEGIN CERTIFICATE-----\n" 648 . $encoded 649 . "-----END CERTIFICATE-----\n"; 650 print CRT "\n$caname\n"; 651 my $maxStringLength = length(decode('UTF-8', $caname, Encode::FB_CROAK | Encode::LEAVE_SRC)); 652 print CRT ("=" x $maxStringLength . "\n"); 653 if ($opt_t) { 654 foreach my $key (sort keys %trust_purposes_by_level) { 655 my $string = $key . ": " . join(", ", @{$trust_purposes_by_level{$key}}); 656 print CRT $string . "\n"; 657 } 658 } 659 if($opt_m) { 660 print CRT for @precert; 661 } 662 if (!$opt_t) { 663 print CRT $pem; 664 } else { 665 my $pipe = ""; 666 foreach my $hash (@included_signature_algorithms) { 667 $pipe = "|$openssl x509 -" . $hash . " -fingerprint -noout -inform PEM"; 668 if (!$stdout) { 669 $pipe .= " >> $crt.~"; 670 close(CRT) or die "Couldn't close $crt.~: $!"; 671 } 672 open(TMP, $pipe) or die "Couldn't open openssl pipe: $!"; 673 print TMP $pem; 674 close(TMP) or die "Couldn't close openssl pipe: $!"; 675 if (!$stdout) { 676 open(CRT, ">>$crt.~") or die "Couldn't open $crt.~: $!"; 677 } 678 } 679 $pipe = "|$openssl x509 -text -inform PEM"; 680 if (!$stdout) { 681 $pipe .= " >> $crt.~"; 682 close(CRT) or die "Couldn't close $crt.~: $!"; 683 } 684 open(TMP, $pipe) or die "Couldn't open openssl pipe: $!"; 685 print TMP $pem; 686 close(TMP) or die "Couldn't close openssl pipe: $!"; 687 if (!$stdout) { 688 open(CRT, ">>$crt.~") or die "Couldn't open $crt.~: $!"; 689 } 690 } 691 report "Processed: $caname" if ($opt_v); 692 $certnum ++; 693 } 694 } 695} 696close(TXT) or die "Couldn't close $txt: $!\n"; 697close(CRT) or die "Couldn't close $crt.~: $!\n"; 698unless( $stdout ) { 699 if ($opt_b && -e $crt) { 700 my $bk = 1; 701 while (-e "$crt.~${bk}~") { 702 $bk++; 703 } 704 rename $crt, "$crt.~${bk}~" or die "Failed to create backup $crt.~$bk}~: $!\n"; 705 } elsif( -e $crt ) { 706 unlink( $crt ) or die "Failed to remove $crt: $!\n"; 707 } 708 rename "$crt.~", $crt or die "Failed to rename $crt.~ to $crt: $!\n"; 709} 710if($opt_u && -e $txt && !unlink($txt)) { 711 report "Failed to remove $txt: $!\n"; 712} 713report "Done ($certnum CA certs processed, $skipnum skipped)."; 714
