1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
#!{- $config{HASHBANGPERL} -}
# Copyright 2000-2018 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 $openssl = "openssl";
if(defined $ENV{'OPENSSL'}) {
$openssl = $ENV{'OPENSSL'};
} else {
$ENV{'OPENSSL'} = $openssl;
}
my $verbose = 1;
my $OPENSSL_CONFIG = $ENV{"OPENSSL_CONFIG"} || "";
my $DAYS = "-days 365";
my $CADAYS = "-days 1095"; # 3 years
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 openssl.cnf file has setup as per the following
my $CATOP = "./demoCA";
my $CAKEY = "cakey.pem";
my $CAREQ = "careq.pem";
my $CACERT = "cacert.pem";
my $CACRL = "crl.pem";
my $DIRMODE = 0777;
my $NEWKEY = "newkey.pem";
my $NEWREQ = "newreq.pem";
my $NEWCERT = "newcert.pem";
my $NEWP12 = "newcert.p12";
my $RET = 0;
my $WHAT = shift @ARGV || "";
my @OPENSSL_CMDS = ("req", "ca", "pkcs12", "x509", "verify");
my %EXTRA = extra_args(\@ARGV, "-extra-");
my $FILE;
sub extra_args {
my ($args_ref, $arg_prefix) = @_;
my %eargs = map {
if ($_ < $#$args_ref) {
my ($arg, $value) = splice(@$args_ref, $_, 2);
$arg =~ s/$arg_prefix//;
($arg, $value);
} else {
();
}
} reverse grep($$args_ref[$_] =~ /$arg_prefix/, 0..$#$args_ref);
my %empty = map { ($_, "") } @OPENSSL_CMDS;
return (%empty, %eargs);
}
# 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 "usage: CA.pl -newcert | -newreq | -newreq-nodes | -xsign | -sign | -signCA | -signcert | -crl | -newca [-extra-cmd extra-params]\n";
print STDERR " CA.pl -pkcs12 [-extra-pkcs12 extra-params] [certname]\n";
print STDERR " CA.pl -verify [-extra-verify extra-params] certfile ...\n";
print STDERR " CA.pl -revoke [-extra-ca extra-params] certfile [reason]\n";
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");
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
mkdir ${CATOP}, $DIRMODE;
mkdir "${CATOP}/certs", $DIRMODE;
mkdir "${CATOP}/crl", $DIRMODE ;
mkdir "${CATOP}/newcerts", $DIRMODE;
mkdir "${CATOP}/private", $DIRMODE;
open OUT, ">${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";
$FILE = "" unless defined($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 v3_ca $EXTRA{ca}"
. " -infiles ${CATOP}/$CAREQ") 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 policy_anything $EXTRA{ca} -infiles $NEWREQ");
} elsif ($WHAT eq '-sign' ) {
$RET = run("$CA -policy policy_anything -out $NEWCERT $EXTRA{ca} -infiles $NEWREQ");
print "Signed certificate is in $NEWCERT\n" if $RET == 0;
} elsif ($WHAT eq '-signCA' ) {
$RET = run("$CA -policy policy_anything -out $NEWCERT"
. " -extensions v3_ca $EXTRA{ca} -infiles $NEWREQ");
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 policy_anything -out $NEWCERT"
. "$EXTRA{ca} -infiles tmp.pem") if $RET == 0;
print "Signed certificate is in $NEWCERT\n" if $RET == 0;
} elsif ($WHAT eq '-verify' ) {
my @files = @ARGV ? @ARGV : ( $NEWCERT );
my $file;
foreach $file (@files) {
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;
|
