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-rwxr-xr-xlib/mk-ca-bundle.pl121
1 files changed, 83 insertions, 38 deletions
diff --git a/lib/mk-ca-bundle.pl b/lib/mk-ca-bundle.pl
index 34497230d..38e7ff73c 100755
--- a/lib/mk-ca-bundle.pl
+++ b/lib/mk-ca-bundle.pl
@@ -32,9 +32,8 @@
#
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_m $opt_n $opt_p $opt_q $opt_s $opt_t $opt_u $opt_v $opt_w);
+use vars qw($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);
use List::Util;
use Text::Wrap;
my $MOD_SHA = "Digest::SHA";
@@ -43,18 +42,19 @@ if ($@) {
$MOD_SHA = "Digest::SHA::PurePerl";
eval "require $MOD_SHA";
}
+eval "require LWP::UserAgent";
my %urls = (
'nss' =>
- 'http://hg.mozilla.org/projects/nss/raw-file/tip/lib/ckfw/builtins/certdata.txt',
+ 'https://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',
+ 'https://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',
+ 'https://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',
+ 'https://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',
+ 'https://hg.mozilla.org/releases/mozilla-release/raw-file/default/security/nss/lib/ckfw/builtins/certdata.txt',
);
$opt_d = 'release';
@@ -62,7 +62,7 @@ $opt_d = 'release';
# If the OpenSSL commandline is not in search path you can configure it here!
my $openssl = 'openssl';
-my $version = '1.26';
+my $version = '1.27';
$opt_w = 76; # default base64 encoded lines length
@@ -109,7 +109,7 @@ my @valid_signature_algorithms = (
$0 =~ s@.*(/|\\)@@;
$Getopt::Std::STANDARD_HELP_VERSION = 1;
-getopts('bd:fhilmnp:qs:tuvw:');
+getopts('bd:fhiklmnp:qs:tuvw:');
if(!defined($opt_d)) {
# to make plain "-d" use not cause warnings, and actually still work
@@ -117,7 +117,16 @@ if(!defined($opt_d)) {
}
# Use predefined URL or else custom URL specified on command line.
-my $url = ( defined( $urls{$opt_d} ) ) ? $urls{$opt_d} : $opt_d;
+my $url;
+if(defined($urls{$opt_d})) {
+ $url = $urls{$opt_d};
+ if(!$opt_k && $url !~ /^https:\/\//i) {
+ die "The URL for '$opt_d' is not HTTPS. Use -k to override (insecure).\n";
+ }
+}
+else {
+ $url = $opt_d;
+}
my $curl = `curl -V`;
@@ -128,8 +137,8 @@ if ($opt_i) {
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 "LWP::UserAgent.pm Version : ${LWP::UserAgent::VERSION}\n" if($LWP::UserAgent::VERSION);
+ print "LWP.pm Version : ${LWP::VERSION}\n" if($LWP::VERSION);
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");
@@ -139,7 +148,7 @@ 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 " 1) If you use HTTP URLs they are subject to a man in the middle attack\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";
@@ -153,13 +162,14 @@ sub warning_message() {
}
sub HELP_MESSAGE() {
- print "Usage:\t${0} [-b] [-d<certdata>] [-f] [-i] [-l] [-n] [-p<purposes:levels>] [-q] [-s<algorithms>] [-t] [-u] [-v] [-w<l>] [<outputfile>]\n";
+ print "Usage:\t${0} [-b] [-d<certdata>] [-f] [-i] [-k] [-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-k\tallow URLs other than HTTPS, enable HTTP fallback (insecure)\n";
print "\t-l\tprint license info about certdata.txt\n";
print "\t-m\tinclude meta data in output\n";
print "\t-n\tno download of certdata.txt (to use existing)\n";
@@ -287,35 +297,68 @@ my $oldhash = oldhash($crt);
report "SHA256 of old file: $oldhash";
-report "Downloading '$txt' ...";
-
-if($curl && !$opt_n) {
- my $https = $url;
- $https =~ s/^http:/https:/;
- report "Get certdata over HTTPS with curl!";
- my $quiet = $opt_q ? "-s" : "";
- my @out = `curl -w %{response_code} $quiet -O $https`;
- if(@out && $out[0] == 200) {
- $fetched = 1;
- } else {
- report "Failed downloading HTTPS with curl, trying HTTP with LWP";
+if(!$opt_n) {
+ report "Downloading $txt ...";
+
+ # If we have an HTTPS URL then use curl
+ if($url =~ /^https:\/\//i) {
+ if($curl) {
+ if($curl =~ /^Protocols:.* https( |$)/m) {
+ report "Get certdata with curl!";
+ my $proto = !$opt_k ? "--proto =https" : "";
+ my $quiet = $opt_q ? "-s" : "";
+ my @out = `curl -w %{response_code} $proto $quiet -o "$txt" "$url"`;
+ if(@out && $out[0] == 200) {
+ $fetched = 1;
+ report "Downloaded $txt";
+ }
+ else {
+ report "Failed downloading via HTTPS with curl";
+ if(-e $txt && !unlink($txt)) {
+ report "Failed to remove '$txt': $!";
+ }
+ }
+ }
+ else {
+ report "curl lacks https support";
+ }
+ }
+ else {
+ report "curl not found";
+ }
}
-}
-unless ($fetched || ($opt_n and -e $txt)) {
- my $ua = new LWP::UserAgent(agent => "$0/$version");
- $ua->env_proxy();
- $resp = $ua->mirror($url, $txt);
- if ($resp && $resp->code eq '304') {
- report "Not modified";
- exit 0 if -e $crt && !$opt_f;
- } else {
+ # If nothing was fetched then use LWP
+ if(!$fetched) {
+ if($url =~ /^https:\/\//i) {
+ report "Falling back to HTTP";
+ $url =~ s/^https:\/\//http:\/\//i;
+ }
+ if(!$opt_k) {
+ report "URLs other than HTTPS are disabled by default, to enable use -k";
+ exit 1;
+ }
+ report "Get certdata with LWP!";
+ if(!defined(${LWP::UserAgent::VERSION})) {
+ report "LWP is not available (LWP::UserAgent not found)";
+ exit 1;
+ }
+ my $ua = new LWP::UserAgent(agent => "$0/$version");
+ $ua->env_proxy();
+ $resp = $ua->mirror($url, $txt);
+ if($resp && $resp->code eq '304') {
+ report "Not modified";
+ exit 0 if -e $crt && !$opt_f;
+ }
+ else {
$fetched = 1;
- }
- if( !$resp || $resp->code !~ /^(?:200|304)$/ ) {
+ report "Downloaded $txt";
+ }
+ if(!$resp || $resp->code !~ /^(?:200|304)$/) {
report "Unable to download latest data: "
. ($resp? $resp->code . ' - ' . $resp->message : "LWP failed");
exit 1 if -e $crt || ! -r $txt;
+ }
}
}
@@ -503,5 +546,7 @@ unless( $stdout ) {
}
rename "$crt.~", $crt or die "Failed to rename $crt.~ to $crt: $!\n";
}
-unlink $txt if ($opt_u);
+if($opt_u && -e $txt && !unlink($txt)) {
+ report "Failed to remove $txt: $!\n";
+}
report "Done ($certnum CA certs processed, $skipnum skipped).";