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#!{- $config{HASHBANGPERL} -}
# Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
#
# Wrapper around the ca to make it easier to use
#
# {- join("\n# ", @autowarntext) -}
use strict;
use warnings;
my $verbose = 1;
my @OPENSSL_CMDS = ("req", "ca", "pkcs12", "x509", "verify");
my $openssl = $ENV{'OPENSSL'} // "openssl";
$ENV{'OPENSSL'} = $openssl;
my $OPENSSL_CONFIG = $ENV{"OPENSSL_CONFIG"} // "";
# Command invocations.
my $REQ = "$openssl req $OPENSSL_CONFIG";
my $CA = "$openssl ca $OPENSSL_CONFIG";
my $VERIFY = "$openssl verify";
my $X509 = "$openssl x509";
my $PKCS12 = "$openssl pkcs12";
# Default values for various configuration settings.
my $CATOP = "./demoCA";
my $CAKEY = "cakey.pem";
my $CAREQ = "careq.pem";
my $CACERT = "cacert.pem";
my $CACRL = "crl.pem";
my $DAYS = "-days 365";
my $CADAYS = "-days 1095"; # 3 years
my $EXTENSIONS = "-extensions v3_ca";
my $POLICY = "-policy policy_anything";
my $NEWKEY = "newkey.pem";
my $NEWREQ = "newreq.pem";
my $NEWCERT = "newcert.pem";
my $NEWP12 = "newcert.p12";
# Commandline parsing
my %EXTRA;
my $WHAT = shift @ARGV || "";
@ARGV = parse_extra(@ARGV);
my $RET = 0;
# Split out "-extra-CMD value", and return new |@ARGV|. Fill in
# |EXTRA{CMD}| with list of values.
sub parse_extra
{
foreach ( @OPENSSL_CMDS ) {
$EXTRA{$_} = '';
}
my @result;
while ( scalar(@_) > 0 ) {
my $arg = shift;
if ( $arg !~ m/-extra-([a-z0-9]+)/ ) {
push @result, $arg;
next;
}
$arg =~ s/-extra-//;
die("Unknown \"-${arg}-extra\" option, exiting")
unless scalar grep { $arg eq $_ } @OPENSSL_CMDS;
$EXTRA{$arg} .= " " . shift;
}
return @result;
}
# See if reason for a CRL entry is valid; exit if not.
sub crl_reason_ok
{
my $r = shift;
if ($r eq 'unspecified' || $r eq 'keyCompromise'
|| $r eq 'CACompromise' || $r eq 'affiliationChanged'
|| $r eq 'superseded' || $r eq 'cessationOfOperation'
|| $r eq 'certificateHold' || $r eq 'removeFromCRL') {
return 1;
}
print STDERR "Invalid CRL reason; must be one of:\n";
print STDERR " unspecified, keyCompromise, CACompromise,\n";
print STDERR " affiliationChanged, superseded, cessationOfOperation\n";
print STDERR " certificateHold, removeFromCRL";
exit 1;
}
# Copy a PEM-format file; return like exit status (zero means ok)
sub copy_pemfile
{
my ($infile, $outfile, $bound) = @_;
my $found = 0;
open IN, $infile || die "Cannot open $infile, $!";
open OUT, ">$outfile" || die "Cannot write to $outfile, $!";
while (<IN>) {
$found = 1 if /^-----BEGIN.*$bound/;
print OUT $_ if $found;
$found = 2, last if /^-----END.*$bound/;
}
close IN;
close OUT;
return $found == 2 ? 0 : 1;
}
# Wrapper around system; useful for debugging. Returns just the exit status
sub run
{
my $cmd = shift;
print "====\n$cmd\n" if $verbose;
my $status = system($cmd);
print "==> $status\n====\n" if $verbose;
return $status >> 8;
}
if ( $WHAT =~ /^(-\?|-h|-help)$/ ) {
print STDERR <<EOF;
Usage:
CA.pl -newcert | -newreq | -newreq-nodes | -xsign | -sign | -signCA | -signcert | -crl | -newca [-extra-cmd parameter]
CA.pl -pkcs12 [certname]
CA.pl -verify certfile ...
CA.pl -revoke certfile [reason]
EOF
exit 0;
}
if ($WHAT eq '-newcert' ) {
# create a certificate
$RET = run("$REQ -new -x509 -keyout $NEWKEY -out $NEWCERT $DAYS"
. " $EXTRA{req}");
print "Cert is in $NEWCERT, private key is in $NEWKEY\n" if $RET == 0;
} elsif ($WHAT eq '-precert' ) {
# create a pre-certificate
$RET = run("$REQ -x509 -precert -keyout $NEWKEY -out $NEWCERT $DAYS"
. " $EXTRA{req}");
print "Pre-cert is in $NEWCERT, private key is in $NEWKEY\n" if $RET == 0;
} elsif ($WHAT =~ /^\-newreq(\-nodes)?$/ ) {
# create a certificate request
$RET = run("$REQ -new $1 -keyout $NEWKEY -out $NEWREQ $DAYS $EXTRA{req}");
print "Request is in $NEWREQ, private key is in $NEWKEY\n" if $RET == 0;
} elsif ($WHAT eq '-newca' ) {
# create the directory hierarchy
my @dirs = ( "${CATOP}", "${CATOP}/certs", "${CATOP}/crl",
"${CATOP}/newcerts", "${CATOP}/private" );
die "${CATOP}/index.txt exists.\nRemove old sub-tree to proceed,"
if -f "${CATOP}/index.txt";
die "${CATOP}/serial exists.\nRemove old sub-tree to proceed,"
if -f "${CATOP}/serial";
foreach my $d ( @dirs ) {
if ( -d $d ) {
warn "Directory $d exists" if -d $d;
} else {
mkdir $d or die "Can't mkdir $d, $!";
}
}
open OUT, ">${CATOP}/index.txt";
close OUT;
open OUT, ">${CATOP}/crlnumber";
print OUT "01\n";
close OUT;
# ask user for existing CA certificate
print "CA certificate filename (or enter to create)\n";
my $FILE;
$FILE = "" unless defined($FILE = <STDIN>);
$FILE =~ s{\R$}{};
if ($FILE ne "") {
copy_pemfile($FILE,"${CATOP}/private/$CAKEY", "PRIVATE");
copy_pemfile($FILE,"${CATOP}/$CACERT", "CERTIFICATE");
} else {
print "Making CA certificate ...\n";
$RET = run("$REQ -new -keyout ${CATOP}/private/$CAKEY"
. " -out ${CATOP}/$CAREQ $EXTRA{req}");
$RET = run("$CA -create_serial"
. " -out ${CATOP}/$CACERT $CADAYS -batch"
. " -keyfile ${CATOP}/private/$CAKEY -selfsign"
. " $EXTENSIONS"
. " -infiles ${CATOP}/$CAREQ $EXTRA{ca}") if $RET == 0;
print "CA certificate is in ${CATOP}/$CACERT\n" if $RET == 0;
}
} elsif ($WHAT eq '-pkcs12' ) {
my $cname = $ARGV[0];
$cname = "My Certificate" unless defined $cname;
$RET = run("$PKCS12 -in $NEWCERT -inkey $NEWKEY"
. " -certfile ${CATOP}/$CACERT -out $NEWP12"
. " -export -name \"$cname\" $EXTRA{pkcs12}");
print "PKCS #12 file is in $NEWP12\n" if $RET == 0;
} elsif ($WHAT eq '-xsign' ) {
$RET = run("$CA $POLICY -infiles $NEWREQ $EXTRA{ca}");
} elsif ($WHAT eq '-sign' ) {
$RET = run("$CA $POLICY -out $NEWCERT"
. " -infiles $NEWREQ $EXTRA{ca}");
print "Signed certificate is in $NEWCERT\n" if $RET == 0;
} elsif ($WHAT eq '-signCA' ) {
$RET = run("$CA $POLICY -out $NEWCERT"
. " $EXTENSIONS -infiles $NEWREQ $EXTRA{ca}");
print "Signed CA certificate is in $NEWCERT\n" if $RET == 0;
} elsif ($WHAT eq '-signcert' ) {
$RET = run("$X509 -x509toreq -in $NEWREQ -signkey $NEWREQ"
. " -out tmp.pem $EXTRA{x509}");
$RET = run("$CA $POLICY -out $NEWCERT"
. "-infiles tmp.pem $EXTRA{ca}") if $RET == 0;
print "Signed certificate is in $NEWCERT\n" if $RET == 0;
} elsif ($WHAT eq '-verify' ) {
my @files = @ARGV ? @ARGV : ( $NEWCERT );
foreach my $file (@files) {
# -CAfile quoted for VMS, since the C RTL downcases all unquoted
# arguments to C programs
my $status = run("$VERIFY \"-CAfile\" ${CATOP}/$CACERT $file $EXTRA{verify}");
$RET = $status if $status != 0;
}
} elsif ($WHAT eq '-crl' ) {
$RET = run("$CA -gencrl -out ${CATOP}/crl/$CACRL $EXTRA{ca}");
print "Generated CRL is in ${CATOP}/crl/$CACRL\n" if $RET == 0;
} elsif ($WHAT eq '-revoke' ) {
my $cname = $ARGV[0];
if (!defined $cname) {
print "Certificate filename is required; reason optional.\n";
exit 1;
}
my $reason = $ARGV[1];
$reason = " -crl_reason $reason"
if defined $reason && crl_reason_ok($reason);
$RET = run("$CA -revoke \"$cname\"" . $reason . $EXTRA{ca});
} else {
print STDERR "Unknown arg \"$WHAT\"\n";
print STDERR "Use -help for help.\n";
exit 1;
}
exit $RET;