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 = $opt_d; 137} 138 139if ($opt_i) { 140 print ("=" x 78 . "\n"); 141 print "Script Version : $version\n"; 142 print "Perl Version : $]\n"; 143 print "Operating System Name : $^O\n"; 144 print "Getopt::Std.pm Version : ${Getopt::Std::VERSION}\n"; 145 print "Encode::Encoding.pm Version : ${Encode::Encoding::VERSION}\n"; 146 print "MIME::Base64.pm Version : ${MIME::Base64::VERSION}\n"; 147 print "LWP::UserAgent.pm Version : ${LWP::UserAgent::VERSION}\n" if($LWP::UserAgent::VERSION); 148 print "LWP.pm Version : ${LWP::VERSION}\n" if($LWP::VERSION); 149 print "Digest::SHA.pm Version : ${Digest::SHA::VERSION}\n" if ($Digest::SHA::VERSION); 150 print "Digest::SHA::PurePerl.pm Version : ${Digest::SHA::PurePerl::VERSION}\n" if ($Digest::SHA::PurePerl::VERSION); 151 print ("=" x 78 . "\n"); 152} 153 154sub warning_message() { 155 if ( $opt_d =~ m/^risk$/i ) { # Long Form Warning and Exit 156 print "Warning: Use of this script may pose some risk:\n"; 157 print "\n"; 158 print " 1) If you use HTTP URLs they are subject to a man in the middle attack\n"; 159 print " 2) Default to 'release', but more recent updates may be found in other trees\n"; 160 print " 3) certdata.txt file format may change, lag time to update this script\n"; 161 print " 4) Generally unwise to blindly trust CAs without manual review & verification\n"; 162 print " 5) Mozilla apps use additional security checks aren't represented in certdata\n"; 163 print " 6) Use of this script will make a security engineer grind his teeth and\n"; 164 print " swear at you. ;)\n"; 165 exit; 166 } else { # Short Form Warning 167 print "Warning: Use of this script may pose some risk, -d risk for more details.\n"; 168 } 169} 170 171sub HELP_MESSAGE() { 172 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"; 173 print "\t-b\tbackup an existing version of ca-bundle.crt\n"; 174 print "\t-d\tspecify Mozilla tree to pull certdata.txt or custom URL\n"; 175 print "\t\t Valid names are:\n"; 176 print "\t\t ", join( ", ", map { ( $_ =~ m/$opt_d/ ) ? "$_ (default)" : "$_" } sort keys %urls ), "\n"; 177 print "\t-f\tforce rebuild even if certdata.txt is current\n"; 178 print "\t-i\tprint version info about used modules\n"; 179 print "\t-k\tallow URLs other than HTTPS, enable HTTP fallback (insecure)\n"; 180 print "\t-l\tprint license info about certdata.txt\n"; 181 print "\t-m\tinclude meta data in output\n"; 182 print "\t-n\tno download of certdata.txt (to use existing)\n"; 183 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"; 184 print "\t\t Valid purposes are:\n"; 185 print wrap("\t\t ","\t\t ", join( ", ", "ALL", @valid_mozilla_trust_purposes ) ), "\n"; 186 print "\t\t Valid levels are:\n"; 187 print wrap("\t\t ","\t\t ", join( ", ", "ALL", @valid_mozilla_trust_levels ) ), "\n"; 188 print "\t-q\tbe really quiet (no progress output at all)\n"; 189 print wrap("\t","\t\t", "-s\tcomma separated list of certificate signatures/hashes to output in plain text mode. (default: $default_signature_algorithms)\n"); 190 print "\t\t Valid signature algorithms are:\n"; 191 print wrap("\t\t ","\t\t ", join( ", ", "ALL", @valid_signature_algorithms ) ), "\n"; 192 print "\t-t\tinclude plain text listing of certificates\n"; 193 print "\t-u\tunlink (remove) certdata.txt after processing\n"; 194 print "\t-v\tbe verbose and print out processed CAs\n"; 195 print "\t-w <l>\twrap base64 output lines after <l> chars (default: ${opt_w})\n"; 196 exit; 197} 198 199sub VERSION_MESSAGE() { 200 print "${0} version ${version} running Perl ${]} on ${^O}\n"; 201} 202 203warning_message() unless ($opt_q || $url =~ m/^(ht|f)tps:/i ); 204HELP_MESSAGE() if ($opt_h); 205 206sub report($@) { 207 my $output = shift; 208 209 print STDERR $output . "\n" unless $opt_q; 210} 211 212sub is_in_list($@) { 213 my $target = shift; 214 215 return defined(List::Util::first { $target eq $_ } @_); 216} 217 218# Parses $param_string as a case insensitive comma separated list with optional 219# whitespace validates that only allowed parameters are supplied 220sub parse_csv_param($$@) { 221 my $description = shift; 222 my $param_string = shift; 223 my @valid_values = @_; 224 225 my @values = map { 226 s/^\s+//; # strip leading spaces 227 s/\s+$//; # strip trailing spaces 228 uc $_ # return the modified string as upper case 229 } split( ',', $param_string ); 230 231 # Find all values which are not in the list of valid values or "ALL" 232 my @invalid = grep { !is_in_list($_,"ALL",@valid_values) } @values; 233 234 if ( scalar(@invalid) > 0 ) { 235 # Tell the user which parameters were invalid and print the standard help 236 # message which will exit 237 print "Error: Invalid ", $description, scalar(@invalid) == 1 ? ": " : "s: ", join( ", ", map { "\"$_\"" } @invalid ), "\n"; 238 HELP_MESSAGE(); 239 } 240 241 @values = @valid_values if ( is_in_list("ALL",@values) ); 242 243 return @values; 244} 245 246sub sha256 { 247 my $result; 248 if ($Digest::SHA::VERSION || $Digest::SHA::PurePerl::VERSION) { 249 open(FILE, $_[0]) or die "Can't open '$_[0]': $!"; 250 binmode(FILE); 251 $result = $MOD_SHA->new(256)->addfile(*FILE)->hexdigest; 252 close(FILE); 253 } else { 254 # Use OpenSSL command if Perl Digest::SHA modules not available 255 $result = `"$openssl" dgst -r -sha256 "$_[0]"`; 256 $result =~ s/^([0-9a-f]{64}) .+/$1/is; 257 } 258 return $result; 259} 260 261 262sub oldhash { 263 my $hash = ""; 264 open(C, "<$_[0]") || return 0; 265 while(<C>) { 266 chomp; 267 if($_ =~ /^\#\# SHA256: (.*)/) { 268 $hash = $1; 269 last; 270 } 271 } 272 close(C); 273 return $hash; 274} 275 276if ( $opt_p !~ m/:/ ) { 277 print "Error: Mozilla trust identifier list must include both purposes and levels\n"; 278 HELP_MESSAGE(); 279} 280 281(my $included_mozilla_trust_purposes_string, my $included_mozilla_trust_levels_string) = split( ':', $opt_p ); 282my @included_mozilla_trust_purposes = parse_csv_param( "trust purpose", $included_mozilla_trust_purposes_string, @valid_mozilla_trust_purposes ); 283my @included_mozilla_trust_levels = parse_csv_param( "trust level", $included_mozilla_trust_levels_string, @valid_mozilla_trust_levels ); 284 285my @included_signature_algorithms = parse_csv_param( "signature algorithm", $opt_s, @valid_signature_algorithms ); 286 287sub should_output_cert(%) { 288 my %trust_purposes_by_level = @_; 289 290 foreach my $level (@included_mozilla_trust_levels) { 291 # for each level we want to output, see if any of our desired purposes are 292 # included 293 return 1 if ( defined( List::Util::first { is_in_list( $_, @included_mozilla_trust_purposes ) } @{$trust_purposes_by_level{$level}} ) ); 294 } 295 296 return 0; 297} 298 299my $crt = $ARGV[0] || 'ca-bundle.crt'; 300(my $txt = $url) =~ s@(.*/|\?.*)@@g; 301 302my $stdout = $crt eq '-'; 303my $resp; 304my $fetched; 305 306my $oldhash = oldhash($crt); 307 308report "SHA256 of old file: $oldhash"; 309 310if(!$opt_n) { 311 report "Downloading $txt ..."; 312 313 # If we have an HTTPS URL then use curl 314 if($url =~ /^https:\/\//i) { 315 my $curl = `curl -V`; 316 if($curl) { 317 if($curl =~ /^Protocols:.* https( |$)/m) { 318 report "Get certdata with curl!"; 319 my $proto = !$opt_k ? "--proto =https" : ""; 320 my $quiet = $opt_q ? "-s" : ""; 321 my @out = `curl -w %{response_code} $proto $quiet -o "$txt" "$url"`; 322 if(!$? && @out && $out[0] == 200) { 323 $fetched = 1; 324 report "Downloaded $txt"; 325 } 326 else { 327 report "Failed downloading via HTTPS with curl"; 328 if(-e $txt && !unlink($txt)) { 329 report "Failed to remove '$txt': $!"; 330 } 331 } 332 } 333 else { 334 report "curl lacks https support"; 335 } 336 } 337 else { 338 report "curl not found"; 339 } 340 } 341 342 # If nothing was fetched then use LWP 343 if(!$fetched) { 344 if($url =~ /^https:\/\//i) { 345 report "Falling back to HTTP"; 346 $url =~ s/^https:\/\//http:\/\//i; 347 } 348 if(!$opt_k) { 349 report "URLs other than HTTPS are disabled by default, to enable use -k"; 350 exit 1; 351 } 352 report "Get certdata with LWP!"; 353 if(!defined(${LWP::UserAgent::VERSION})) { 354 report "LWP is not available (LWP::UserAgent not found)"; 355 exit 1; 356 } 357 my $ua = new LWP::UserAgent(agent => "$0/$version"); 358 $ua->env_proxy(); 359 $resp = $ua->mirror($url, $txt); 360 if($resp && $resp->code eq '304') { 361 report "Not modified"; 362 exit 0 if -e $crt && !$opt_f; 363 } 364 else { 365 $fetched = 1; 366 report "Downloaded $txt"; 367 } 368 if(!$resp || $resp->code !~ /^(?:200|304)$/) { 369 report "Unable to download latest data: " 370 . ($resp? $resp->code . ' - ' . $resp->message : "LWP failed"); 371 exit 1 if -e $crt || ! -r $txt; 372 } 373 } 374} 375 376my $filedate = $resp ? $resp->last_modified : (stat($txt))[9]; 377my $datesrc = "as of"; 378if(!$filedate) { 379 # mxr.mozilla.org gave us a time, hg.mozilla.org does not! 380 $filedate = time(); 381 $datesrc="downloaded on"; 382} 383 384# get the hash from the download file 385my $newhash= sha256($txt); 386 387if(!$opt_f && $oldhash eq $newhash) { 388 report "Downloaded file identical to previous run\'s source file. Exiting"; 389 if($opt_u && -e $txt && !unlink($txt)) { 390 report "Failed to remove $txt: $!\n"; 391 } 392 exit; 393} 394 395report "SHA256 of new file: $newhash"; 396 397my $currentdate = scalar gmtime($filedate); 398 399my $format = $opt_t ? "plain text and " : ""; 400if( $stdout ) { 401 open(CRT, '> -') or die "Couldn't open STDOUT: $!\n"; 402} else { 403 open(CRT,">$crt.~") or die "Couldn't open $crt.~: $!\n"; 404} 405print CRT <<EOT; 406## 407## Bundle of CA Root Certificates 408## 409## Certificate data from Mozilla ${datesrc}: ${currentdate} GMT 410## 411## Find updated versions here: https://curl.se/docs/caextract.html 412## 413## This is a bundle of X.509 certificates of public Certificate Authorities 414## (CA). These were automatically extracted from Mozilla's root certificates 415## file (certdata.txt). This file can be found in the mozilla source tree: 416## ${url} 417## 418## It contains the certificates in ${format}PEM format and therefore 419## can be directly used with curl / libcurl / php_curl, or with 420## an Apache+mod_ssl webserver for SSL client authentication. 421## Just configure this file as the SSLCACertificateFile. 422## 423## Conversion done with mk-ca-bundle.pl version $version. 424## SHA256: $newhash 425## 426 427EOT 428 429report "Processing '$txt' ..."; 430my $caname; 431my $certnum = 0; 432my $skipnum = 0; 433my $start_of_cert = 0; 434my $main_block = 0; 435my $main_block_name; 436my $trust_block = 0; 437my $trust_block_name; 438my @precert; 439my $cka_value; 440my $valid = 0; 441 442open(TXT,"$txt") or die "Couldn't open $txt: $!\n"; 443while (<TXT>) { 444 if (/\*\*\*\*\* BEGIN LICENSE BLOCK \*\*\*\*\*/) { 445 print CRT; 446 print if ($opt_l); 447 while (<TXT>) { 448 print CRT; 449 print if ($opt_l); 450 last if (/\*\*\*\*\* END LICENSE BLOCK \*\*\*\*\*/); 451 } 452 next; 453 } 454 # The input file format consists of blocks of Mozilla objects. 455 # The blocks are separated by blank lines but may be related. 456 elsif(/^\s*$/) { 457 $main_block = 0; 458 $trust_block = 0; 459 next; 460 } 461 # Each certificate has a main block. 462 elsif(/^# Certificate "(.*)"/) { 463 (!$main_block && !$trust_block) or die "Unexpected certificate block"; 464 $main_block = 1; 465 $main_block_name = $1; 466 # Reset all other certificate variables. 467 $trust_block = 0; 468 $trust_block_name = ""; 469 $valid = 0; 470 $start_of_cert = 0; 471 $caname = ""; 472 $cka_value = ""; 473 undef @precert; 474 next; 475 } 476 # Each certificate's main block is followed by a trust block. 477 elsif(/^# Trust for (?:Certificate )?"(.*)"/) { 478 (!$main_block && !$trust_block) or die "Unexpected trust block"; 479 $trust_block = 1; 480 $trust_block_name = $1; 481 if($main_block_name ne $trust_block_name) { 482 die "cert name \"$main_block_name\" != trust name \"$trust_block_name\""; 483 } 484 next; 485 } 486 # Ignore other blocks. 487 # 488 # There is a documentation comment block, a BEGINDATA block, and a bunch of 489 # blocks starting with "# Explicitly Distrust <certname>". 490 # 491 # The latter is for certificates that have already been removed and are not 492 # included. Not all explicitly distrusted certificates are ignored at this 493 # point, just those without an actual certificate. 494 elsif(!$main_block && !$trust_block) { 495 next; 496 } 497 elsif(/^#/) { 498 # The commented lines in a main block are plaintext metadata that describes 499 # the certificate. Issuer, Subject, Fingerprint, etc. 500 if($main_block) { 501 push @precert, $_ if not /^#$/; 502 if(/^# Not Valid After : (.*)/) { 503 my $stamp = $1; 504 use Time::Piece; 505 # Not Valid After : Thu Sep 30 14:01:15 2021 506 my $t = Time::Piece->strptime($stamp, "%a %b %d %H:%M:%S %Y"); 507 my $delta = ($t->epoch - time()); # negative means no longer valid 508 if($delta < 0) { 509 $skipnum++; 510 report "Skipping: $main_block_name is not valid anymore" if ($opt_v); 511 $valid = 0; 512 } 513 else { 514 $valid = 1; 515 } 516 } 517 } 518 next; 519 } 520 elsif(!$valid) { 521 next; 522 } 523 524 chomp; 525 526 if($main_block) { 527 if(/^CKA_CLASS CK_OBJECT_CLASS CKO_CERTIFICATE/) { 528 !$start_of_cert or die "Duplicate CKO_CERTIFICATE object"; 529 $start_of_cert = 1; 530 next; 531 } 532 elsif(!$start_of_cert) { 533 next; 534 } 535 elsif(/^CKA_LABEL UTF8 \"(.*)\"/) { 536 ($caname eq "") or die "Duplicate CKA_LABEL attribute"; 537 $caname = $1; 538 if($caname ne $main_block_name) { 539 die "caname \"$caname\" != cert name \"$main_block_name\""; 540 } 541 next; 542 } 543 elsif(/^CKA_VALUE MULTILINE_OCTAL/) { 544 ($cka_value eq "") or die "Duplicate CKA_VALUE attribute"; 545 while (<TXT>) { 546 last if (/^END/); 547 chomp; 548 my @octets = split(/\\/); 549 shift @octets; 550 for (@octets) { 551 $cka_value .= chr(oct); 552 } 553 } 554 next; 555 } 556 elsif (/^CKA_NSS_SERVER_DISTRUST_AFTER (CK_BBOOL CK_FALSE|MULTILINE_OCTAL)/) { 557 # Example: 558 # CKA_NSS_SERVER_DISTRUST_AFTER MULTILINE_OCTAL 559 # \062\060\060\066\061\067\060\060\060\060\060\060\132 560 # END 561 if($1 eq "MULTILINE_OCTAL") { 562 my @timestamp; 563 while (<TXT>) { 564 last if (/^END/); 565 chomp; 566 my @octets = split(/\\/); 567 shift @octets; 568 for (@octets) { 569 push @timestamp, chr(oct); 570 } 571 } 572 scalar(@timestamp) == 13 or die "Failed parsing timestamp"; 573 # A trailing Z in the timestamp signifies UTC 574 if($timestamp[12] ne "Z") { 575 report "distrust date stamp is not using UTC"; 576 } 577 # Example date: 200617000000Z 578 # Means 2020-06-17 00:00:00 UTC 579 my $distrustat = 580 timegm($timestamp[10] . $timestamp[11], # second 581 $timestamp[8] . $timestamp[9], # minute 582 $timestamp[6] . $timestamp[7], # hour 583 $timestamp[4] . $timestamp[5], # day 584 ($timestamp[2] . $timestamp[3]) - 1, # month 585 "20" . $timestamp[0] . $timestamp[1]); # year 586 if(time >= $distrustat) { 587 # not trusted anymore 588 $skipnum++; 589 report "Skipping: $main_block_name is not trusted anymore" if ($opt_v); 590 $valid = 0; 591 } 592 else { 593 # still trusted 594 } 595 } 596 next; 597 } 598 else { 599 next; 600 } 601 } 602 603 if(!$trust_block || !$start_of_cert || $caname eq "" || $cka_value eq "") { 604 die "Certificate extraction failed"; 605 } 606 607 my %trust_purposes_by_level; 608 609 if(/^CKA_CLASS CK_OBJECT_CLASS CKO_NSS_TRUST/) { 610 # now scan the trust part to determine how we should trust this cert 611 while (<TXT>) { 612 if(/^\s*$/) { 613 $trust_block = 0; 614 last; 615 } 616 if (/^CKA_TRUST_([A-Z_]+)\s+CK_TRUST\s+CKT_NSS_([A-Z_]+)\s*$/) { 617 if ( !is_in_list($1,@valid_mozilla_trust_purposes) ) { 618 report "Warning: Unrecognized trust purpose for cert: $caname. Trust purpose: $1. Trust Level: $2"; 619 } elsif ( !is_in_list($2,@valid_mozilla_trust_levels) ) { 620 report "Warning: Unrecognized trust level for cert: $caname. Trust purpose: $1. Trust Level: $2"; 621 } else { 622 push @{$trust_purposes_by_level{$2}}, $1; 623 } 624 } 625 } 626 627 # Sanity check that an explicitly distrusted certificate only has trust 628 # purposes with a trust level of NOT_TRUSTED. 629 # 630 # Certificate objects that are explicitly distrusted are in a certificate 631 # block that starts # Certificate "Explicitly Distrust(ed) <certname>", 632 # where "Explicitly Distrust(ed) " was prepended to the original cert name. 633 if($caname =~ /distrust/i || 634 $main_block_name =~ /distrust/i || 635 $trust_block_name =~ /distrust/i) { 636 my @levels = keys %trust_purposes_by_level; 637 if(scalar(@levels) != 1 || $levels[0] ne "NOT_TRUSTED") { 638 die "\"$caname\" must have all trust purposes at level NOT_TRUSTED."; 639 } 640 } 641 642 if ( !should_output_cert(%trust_purposes_by_level) ) { 643 $skipnum ++; 644 report "Skipping: $caname lacks acceptable trust level" if ($opt_v); 645 } else { 646 my $encoded = MIME::Base64::encode_base64($cka_value, ''); 647 $encoded =~ s/(.{1,${opt_w}})/$1\n/g; 648 my $pem = "-----BEGIN CERTIFICATE-----\n" 649 . $encoded 650 . "-----END CERTIFICATE-----\n"; 651 print CRT "\n$caname\n"; 652 my $maxStringLength = length(decode('UTF-8', $caname, Encode::FB_CROAK | Encode::LEAVE_SRC)); 653 print CRT ("=" x $maxStringLength . "\n"); 654 if ($opt_t) { 655 foreach my $key (sort keys %trust_purposes_by_level) { 656 my $string = $key . ": " . join(", ", @{$trust_purposes_by_level{$key}}); 657 print CRT $string . "\n"; 658 } 659 } 660 if($opt_m) { 661 print CRT for @precert; 662 } 663 if (!$opt_t) { 664 print CRT $pem; 665 } else { 666 my $pipe = ""; 667 foreach my $hash (@included_signature_algorithms) { 668 $pipe = "|$openssl x509 -" . $hash . " -fingerprint -noout -inform PEM"; 669 if (!$stdout) { 670 $pipe .= " >> $crt.~"; 671 close(CRT) or die "Couldn't close $crt.~: $!"; 672 } 673 open(TMP, $pipe) or die "Couldn't open openssl pipe: $!"; 674 print TMP $pem; 675 close(TMP) or die "Couldn't close openssl pipe: $!"; 676 if (!$stdout) { 677 open(CRT, ">>$crt.~") or die "Couldn't open $crt.~: $!"; 678 } 679 } 680 $pipe = "|$openssl x509 -text -inform PEM"; 681 if (!$stdout) { 682 $pipe .= " >> $crt.~"; 683 close(CRT) or die "Couldn't close $crt.~: $!"; 684 } 685 open(TMP, $pipe) or die "Couldn't open openssl pipe: $!"; 686 print TMP $pem; 687 close(TMP) or die "Couldn't close openssl pipe: $!"; 688 if (!$stdout) { 689 open(CRT, ">>$crt.~") or die "Couldn't open $crt.~: $!"; 690 } 691 } 692 report "Processed: $caname" if ($opt_v); 693 $certnum ++; 694 } 695 } 696} 697close(TXT) or die "Couldn't close $txt: $!\n"; 698close(CRT) or die "Couldn't close $crt.~: $!\n"; 699unless( $stdout ) { 700 if ($opt_b && -e $crt) { 701 my $bk = 1; 702 while (-e "$crt.~${bk}~") { 703 $bk++; 704 } 705 rename $crt, "$crt.~${bk}~" or die "Failed to create backup $crt.~$bk}~: $!\n"; 706 } elsif( -e $crt ) { 707 unlink( $crt ) or die "Failed to remove $crt: $!\n"; 708 } 709 rename "$crt.~", $crt or die "Failed to rename $crt.~ to $crt: $!\n"; 710} 711if($opt_u && -e $txt && !unlink($txt)) { 712 report "Failed to remove $txt: $!\n"; 713} 714report "Done ($certnum CA certs processed, $skipnum skipped)."; 715
