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tools: customize mk-ca-bundle.pl

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Remove unneeded functionality and tweak the generated output so we
can #include it in C++ source code.
This commit is contained in:
Ben Noordhuis 2013-11-09 23:31:54 +01:00
parent 5ab863de22
commit e159073da5
1 changed files with 30 additions and 70 deletions
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100
tools/mk-ca-bundle.pl
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@ -30,11 +30,11 @@
# dependency is the OpenSSL commandline tool for optional text listing. # dependency is the OpenSSL commandline tool for optional text listing.
# Hacked by Guenter Knauf. # Hacked by Guenter Knauf.
# #
use File::Basename 'dirname';
use Getopt::Std; use Getopt::Std;
use MIME::Base64; use MIME::Base64;
use LWP::UserAgent;
use strict; use strict;
use vars qw($opt_b $opt_f $opt_h $opt_i $opt_l $opt_n $opt_q $opt_t $opt_u $opt_v $opt_w); use vars qw($opt_h $opt_i $opt_l $opt_q $opt_t $opt_v $opt_w);
my $url = 'http://mxr.mozilla.org/mozilla/source/security/nss/lib/ckfw/builtins/certdata.txt?raw=1'; my $url = 'http://mxr.mozilla.org/mozilla/source/security/nss/lib/ckfw/builtins/certdata.txt?raw=1';
# If the OpenSSL commandline is not in search path you can configure it here! # If the OpenSSL commandline is not in search path you can configure it here!
@ -42,7 +42,7 @@ my $openssl = 'openssl';
my $version = '1.19'; my $version = '1.19';
$opt_w = 76; # default base64 encoded lines length $opt_w = 72; # default base64 encoded lines length
$0 =~ s@.*(/|\\)@@; $0 =~ s@.*(/|\\)@@;
$Getopt::Std::STANDARD_HELP_VERSION = 1; $Getopt::Std::STANDARD_HELP_VERSION = 1;
@ -55,21 +55,15 @@ if ($opt_i) {
print "Operating System Name : $^O\n"; print "Operating System Name : $^O\n";
print "Getopt::Std.pm Version : ${Getopt::Std::VERSION}\n"; print "Getopt::Std.pm Version : ${Getopt::Std::VERSION}\n";
print "MIME::Base64.pm Version : ${MIME::Base64::VERSION}\n"; print "MIME::Base64.pm Version : ${MIME::Base64::VERSION}\n";
print "LWP::UserAgent.pm Version : ${LWP::UserAgent::VERSION}\n";
print "LWP.pm Version : ${LWP::VERSION}\n";
print ("=" x 78 . "\n"); print ("=" x 78 . "\n");
} }
sub HELP_MESSAGE() { sub HELP_MESSAGE() {
print "Usage:\t${0} [-b] [-f] [-i] [-l] [-n] [-q] [-t] [-u] [-v] [-w<l>] [<outputfile>]\n"; print "Usage:\t${0} [-i] [-l] [-q] [-t] [-v] [-w<l>] [<outputfile>]\n";
print "\t-b\tbackup an existing version of ca-bundle.crt\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-i\tprint version info about used modules\n";
print "\t-l\tprint license info about certdata.txt\n"; print "\t-l\tprint license info about certdata.txt\n";
print "\t-n\tno download of certdata.txt (to use existing)\n";
print "\t-q\tbe really quiet (no progress output at all)\n"; print "\t-q\tbe really quiet (no progress output at all)\n";
print "\t-t\tinclude plain text listing of certificates\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-v\tbe verbose and print out processed CAs\n";
print "\t-w <l>\twrap base64 output lines after <l> chars (default: ${opt_w})\n"; print "\t-w <l>\twrap base64 output lines after <l> chars (default: ${opt_w})\n";
exit; exit;
@ -81,56 +75,36 @@ sub VERSION_MESSAGE() {
HELP_MESSAGE() if ($opt_h); HELP_MESSAGE() if ($opt_h);
my $crt = $ARGV[0] || 'ca-bundle.crt'; my $crt = $ARGV[0] || dirname(__FILE__) . '/../src/node_root_certs.h';
(my $txt = $url) =~ s@(.*/|\?.*)@@g; my $txt = dirname(__FILE__) . '/certdata.txt';
my $stdout = $crt eq '-'; my $stdout = $crt eq '-';
my $resp; my $resp;
my $fetched; my $fetched;
unless ($opt_n and -e $txt) {
print STDERR "Downloading '$txt' ...\n" if (!$opt_q);
my $ua = new LWP::UserAgent(agent => "$0/$version");
$ua->env_proxy();
$resp = $ua->mirror($url, $txt);
if ($resp && $resp->code eq '304') {
print STDERR "Not modified\n" unless $opt_q;
exit 0 if -e $crt && !$opt_f;
} else {
$fetched = 1;
}
if( !$resp || $resp->code !~ /^(?:200|304)$/ ) {
print STDERR "Unable to download latest data: "
. ($resp? $resp->code . ' - ' . $resp->message : "LWP failed") . "\n"
unless $opt_q;
exit 1 if -e $crt || ! -r $txt;
}
}
my $currentdate = scalar gmtime($fetched ? $resp->last_modified : (stat($txt))[9]); my $currentdate = scalar gmtime($fetched ? $resp->last_modified : (stat($txt))[9]);
my $format = $opt_t ? "plain text and " : ""; my $format = $opt_t ? "plain text and " : "";
if( $stdout ) { if( $stdout ) {
open(CRT, '> -') or die "Couldn't open STDOUT: $!\n"; open(CRT, '> -') or die "Couldn't open STDOUT: $!\n";
} else { } else {
open(CRT,">$crt.~") or die "Couldn't open $crt.~: $!\n"; open(CRT,">$crt") or die "Couldn't open $crt: $!\n";
} }
print CRT <<EOT; print CRT <<EOT;
## /* $crt -- Bundle of CA Root Certificates
## $crt -- Bundle of CA Root Certificates *
## * Certificate data from Mozilla as of: ${currentdate}
## Certificate data from Mozilla as of: ${currentdate} *
## * This is a bundle of X.509 certificates of public Certificate Authorities
## This is a bundle of X.509 certificates of public Certificate Authorities * (CA). These were automatically extracted from Mozilla's root certificates
## (CA). These were automatically extracted from Mozilla's root certificates * file (certdata.txt). This file can be found in the mozilla source tree:
## file (certdata.txt). This file can be found in the mozilla source tree: * ${url}
## ${url} *
## * It contains the certificates in ${format}PEM format and therefore
## It contains the certificates in ${format}PEM format and therefore * can be directly used with curl / libcurl / php_curl, or with
## can be directly used with curl / libcurl / php_curl, or with * an Apache+mod_ssl webserver for SSL client authentication.
## an Apache+mod_ssl webserver for SSL client authentication. * Just configure this file as the SSLCACertificateFile.
## Just configure this file as the SSLCACertificateFile. */
##
EOT EOT
@ -154,7 +128,7 @@ while (<TXT>) {
next if /^#|^\s*$/; next if /^#|^\s*$/;
chomp; chomp;
if (/^CVS_ID\s+\"(.*)\"/) { if (/^CVS_ID\s+\"(.*)\"/) {
print CRT "# $1\n"; print CRT "/* $1 */\n";
} }
# this is a match for the start of a certificate # this is a match for the start of a certificate
@ -192,25 +166,24 @@ while (<TXT>) {
$skipnum ++; $skipnum ++;
} else { } else {
my $encoded = MIME::Base64::encode_base64($data, ''); my $encoded = MIME::Base64::encode_base64($data, '');
$encoded =~ s/(.{1,${opt_w}})/$1\n/g; $encoded =~ s/(.{1,${opt_w}})/"$1\\n"\n/g;
my $pem = "-----BEGIN CERTIFICATE-----\n" my $pem = "\"-----BEGIN CERTIFICATE-----\\n\"\n"
. $encoded . $encoded
. "-----END CERTIFICATE-----\n"; . "\"-----END CERTIFICATE-----\\n\",\n";
print CRT "\n$caname\n"; print CRT "\n/* $caname */\n";
print CRT ("=" x length($caname) . "\n");
if (!$opt_t) { if (!$opt_t) {
print CRT $pem; print CRT $pem;
} else { } else {
my $pipe = "|$openssl x509 -md5 -fingerprint -text -inform PEM"; my $pipe = "|$openssl x509 -md5 -fingerprint -text -inform PEM";
if (!$stdout) { if (!$stdout) {
$pipe .= " >> $crt.~"; $pipe .= " >> $crt";
close(CRT) or die "Couldn't close $crt.~: $!"; close(CRT) or die "Couldn't close $crt: $!";
} }
open(TMP, $pipe) or die "Couldn't open openssl pipe: $!"; open(TMP, $pipe) or die "Couldn't open openssl pipe: $!";
print TMP $pem; print TMP $pem;
close(TMP) or die "Couldn't close openssl pipe: $!"; close(TMP) or die "Couldn't close openssl pipe: $!";
if (!$stdout) { if (!$stdout) {
open(CRT, ">>$crt.~") or die "Couldn't open $crt.~: $!"; open(CRT, ">>$crt") or die "Couldn't open $crt: $!";
} }
} }
print STDERR "Parsing: $caname\n" if ($opt_v); print STDERR "Parsing: $caname\n" if ($opt_v);
@ -220,20 +193,7 @@ while (<TXT>) {
} }
} }
close(TXT) or die "Couldn't close $txt: $!\n"; close(TXT) or die "Couldn't close $txt: $!\n";
close(CRT) or die "Couldn't close $crt.~: $!\n"; close(CRT) or die "Couldn't close $crt: $!\n";
unless( $stdout ) {
if ($opt_b && -e $crt) {
my $bk = 1;
while (-e "$crt.~${bk}~") {
$bk++;
}
rename $crt, "$crt.~${bk}~" or die "Failed to create backup $crt.~$bk}~: $!\n";
} elsif( -e $crt ) {
unlink( $crt ) or die "Failed to remove $crt: $!\n";
}
rename "$crt.~", $crt or die "Failed to rename $crt.~ to $crt: $!\n";
}
unlink $txt if ($opt_u);
print STDERR "Done ($certnum CA certs processed, $skipnum untrusted skipped).\n" if (!$opt_q); print STDERR "Done ($certnum CA certs processed, $skipnum untrusted skipped).\n" if (!$opt_q);
exit; exit;