xref: /freebsd/crypto/openssl/apps/CA.pl.in (revision 2a63c3be158216222d89a073dcbd6a72ee4aab5a)
1#!{- $config{HASHBANGPERL} -}
2# Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
3#
4# Licensed under the Apache License 2.0 (the "License").  You may not use
5# this file except in compliance with the License.  You can obtain a copy
6# in the file LICENSE in the source distribution or at
7# https://www.openssl.org/source/license.html
8
9#
10# Wrapper around the ca to make it easier to use
11#
12# {- join("\n# ", @autowarntext) -}
13
14use strict;
15use warnings;
16
17my $verbose = 1;
18my @OPENSSL_CMDS = ("req", "ca", "pkcs12", "x509", "verify");
19
20my $openssl = $ENV{'OPENSSL'} // "openssl";
21$ENV{'OPENSSL'} = $openssl;
22my $OPENSSL_CONFIG = $ENV{"OPENSSL_CONFIG"} // "";
23
24# Command invocations.
25my $REQ = "$openssl req $OPENSSL_CONFIG";
26my $CA = "$openssl ca $OPENSSL_CONFIG";
27my $VERIFY = "$openssl verify";
28my $X509 = "$openssl x509";
29my $PKCS12 = "$openssl pkcs12";
30
31# Default values for various configuration settings.
32my $CATOP = "./demoCA";
33my $CAKEY = "cakey.pem";
34my $CAREQ = "careq.pem";
35my $CACERT = "cacert.pem";
36my $CACRL = "crl.pem";
37my $DAYS = "-days 365";
38my $CADAYS = "-days 1095";	# 3 years
39my $NEWKEY = "newkey.pem";
40my $NEWREQ = "newreq.pem";
41my $NEWCERT = "newcert.pem";
42my $NEWP12 = "newcert.p12";
43
44# Commandline parsing
45my %EXTRA;
46my $WHAT = shift @ARGV || "";
47@ARGV = parse_extra(@ARGV);
48my $RET = 0;
49
50# Split out "-extra-CMD value", and return new |@ARGV|. Fill in
51# |EXTRA{CMD}| with list of values.
52sub parse_extra
53{
54    foreach ( @OPENSSL_CMDS ) {
55        $EXTRA{$_} = '';
56    }
57
58    my @result;
59    while ( scalar(@_) > 0 ) {
60        my $arg = shift;
61        if ( $arg !~ m/-extra-([a-z0-9]+)/ ) {
62            push @result, $arg;
63            next;
64        }
65        $arg =~ s/-extra-//;
66        die("Unknown \"-${arg}-extra\" option, exiting")
67            unless scalar grep { $arg eq $_ } @OPENSSL_CMDS;
68        $EXTRA{$arg} .= " " . shift;
69    }
70    return @result;
71}
72
73
74# See if reason for a CRL entry is valid; exit if not.
75sub crl_reason_ok
76{
77    my $r = shift;
78
79    if ($r eq 'unspecified' || $r eq 'keyCompromise'
80        || $r eq 'CACompromise' || $r eq 'affiliationChanged'
81        || $r eq 'superseded' || $r eq 'cessationOfOperation'
82        || $r eq 'certificateHold' || $r eq 'removeFromCRL') {
83        return 1;
84    }
85    print STDERR "Invalid CRL reason; must be one of:\n";
86    print STDERR "    unspecified, keyCompromise, CACompromise,\n";
87    print STDERR "    affiliationChanged, superseded, cessationOfOperation\n";
88    print STDERR "    certificateHold, removeFromCRL";
89    exit 1;
90}
91
92# Copy a PEM-format file; return like exit status (zero means ok)
93sub copy_pemfile
94{
95    my ($infile, $outfile, $bound) = @_;
96    my $found = 0;
97
98    open IN, $infile || die "Cannot open $infile, $!";
99    open OUT, ">$outfile" || die "Cannot write to $outfile, $!";
100    while (<IN>) {
101        $found = 1 if /^-----BEGIN.*$bound/;
102        print OUT $_ if $found;
103        $found = 2, last if /^-----END.*$bound/;
104    }
105    close IN;
106    close OUT;
107    return $found == 2 ? 0 : 1;
108}
109
110# Wrapper around system; useful for debugging.  Returns just the exit status
111sub run
112{
113    my $cmd = shift;
114    print "====\n$cmd\n" if $verbose;
115    my $status = system($cmd);
116    print "==> $status\n====\n" if $verbose;
117    return $status >> 8;
118}
119
120
121if ( $WHAT =~ /^(-\?|-h|-help)$/ ) {
122    print STDERR <<EOF;
123Usage:
124    CA.pl -newcert | -newreq | -newreq-nodes | -xsign | -sign | -signCA | -signcert | -crl | -newca [-extra-cmd parameter]
125    CA.pl -pkcs12 [certname]
126    CA.pl -verify certfile ...
127    CA.pl -revoke certfile [reason]
128EOF
129    exit 0;
130}
131
132if ($WHAT eq '-newcert' ) {
133    # create a certificate
134    $RET = run("$REQ -new -x509 -keyout $NEWKEY -out $NEWCERT $DAYS"
135            . " $EXTRA{req}");
136    print "Cert is in $NEWCERT, private key is in $NEWKEY\n" if $RET == 0;
137} elsif ($WHAT eq '-precert' ) {
138    # create a pre-certificate
139    $RET = run("$REQ -x509 -precert -keyout $NEWKEY -out $NEWCERT $DAYS"
140            . " $EXTRA{req}");
141    print "Pre-cert is in $NEWCERT, private key is in $NEWKEY\n" if $RET == 0;
142} elsif ($WHAT =~ /^\-newreq(\-nodes)?$/ ) {
143    # create a certificate request
144    $RET = run("$REQ -new $1 -keyout $NEWKEY -out $NEWREQ $DAYS $EXTRA{req}");
145    print "Request is in $NEWREQ, private key is in $NEWKEY\n" if $RET == 0;
146} elsif ($WHAT eq '-newca' ) {
147    # create the directory hierarchy
148    my @dirs = ( "${CATOP}", "${CATOP}/certs", "${CATOP}/crl",
149                "${CATOP}/newcerts", "${CATOP}/private" );
150    die "${CATOP}/index.txt exists.\nRemove old sub-tree to proceed,"
151        if -f "${CATOP}/index.txt";
152    die "${CATOP}/serial exists.\nRemove old sub-tree to proceed,"
153        if -f "${CATOP}/serial";
154    foreach my $d ( @dirs ) {
155        if ( -d $d ) {
156            warn "Directory $d exists" if -d $d;
157        } else {
158            mkdir $d or die "Can't mkdir $d, $!";
159        }
160    }
161
162    open OUT, ">${CATOP}/index.txt";
163    close OUT;
164    open OUT, ">${CATOP}/crlnumber";
165    print OUT "01\n";
166    close OUT;
167    # ask user for existing CA certificate
168    print "CA certificate filename (or enter to create)\n";
169    my $FILE;
170    $FILE = "" unless defined($FILE = <STDIN>);
171    $FILE =~ s{\R$}{};
172    if ($FILE ne "") {
173        copy_pemfile($FILE,"${CATOP}/private/$CAKEY", "PRIVATE");
174        copy_pemfile($FILE,"${CATOP}/$CACERT", "CERTIFICATE");
175    } else {
176        print "Making CA certificate ...\n";
177        $RET = run("$REQ -new -keyout ${CATOP}/private/$CAKEY"
178                . " -out ${CATOP}/$CAREQ $EXTRA{req}");
179        $RET = run("$CA -create_serial"
180                . " -out ${CATOP}/$CACERT $CADAYS -batch"
181                . " -keyfile ${CATOP}/private/$CAKEY -selfsign"
182                . " -extensions v3_ca"
183                . " -infiles ${CATOP}/$CAREQ $EXTRA{ca}") if $RET == 0;
184        print "CA certificate is in ${CATOP}/$CACERT\n" if $RET == 0;
185    }
186} elsif ($WHAT eq '-pkcs12' ) {
187    my $cname = $ARGV[0];
188    $cname = "My Certificate" unless defined $cname;
189    $RET = run("$PKCS12 -in $NEWCERT -inkey $NEWKEY"
190            . " -certfile ${CATOP}/$CACERT -out $NEWP12"
191            . " -export -name \"$cname\" $EXTRA{pkcs12}");
192    print "PKCS #12 file is in $NEWP12\n" if $RET == 0;
193} elsif ($WHAT eq '-xsign' ) {
194    $RET = run("$CA -policy policy_anything -infiles $NEWREQ $EXTRA{ca}");
195} elsif ($WHAT eq '-sign' ) {
196    $RET = run("$CA -policy policy_anything -out $NEWCERT"
197            . " -infiles $NEWREQ $EXTRA{ca}");
198    print "Signed certificate is in $NEWCERT\n" if $RET == 0;
199} elsif ($WHAT eq '-signCA' ) {
200    $RET = run("$CA -policy policy_anything -out $NEWCERT"
201            . " -extensions v3_ca -infiles $NEWREQ $EXTRA{ca}");
202    print "Signed CA certificate is in $NEWCERT\n" if $RET == 0;
203} elsif ($WHAT eq '-signcert' ) {
204    $RET = run("$X509 -x509toreq -in $NEWREQ -signkey $NEWREQ"
205            . " -out tmp.pem $EXTRA{x509}");
206    $RET = run("$CA -policy policy_anything -out $NEWCERT"
207            .  "-infiles tmp.pem $EXTRA{ca}") if $RET == 0;
208    print "Signed certificate is in $NEWCERT\n" if $RET == 0;
209} elsif ($WHAT eq '-verify' ) {
210    my @files = @ARGV ? @ARGV : ( $NEWCERT );
211    foreach my $file (@files) {
212        # -CAfile quoted for VMS, since the C RTL downcases all unquoted
213        # arguments to C programs
214        my $status = run("$VERIFY \"-CAfile\" ${CATOP}/$CACERT $file $EXTRA{verify}");
215        $RET = $status if $status != 0;
216    }
217} elsif ($WHAT eq '-crl' ) {
218    $RET = run("$CA -gencrl -out ${CATOP}/crl/$CACRL $EXTRA{ca}");
219    print "Generated CRL is in ${CATOP}/crl/$CACRL\n" if $RET == 0;
220} elsif ($WHAT eq '-revoke' ) {
221    my $cname = $ARGV[0];
222    if (!defined $cname) {
223        print "Certificate filename is required; reason optional.\n";
224        exit 1;
225    }
226    my $reason = $ARGV[1];
227    $reason = " -crl_reason $reason"
228        if defined $reason && crl_reason_ok($reason);
229    $RET = run("$CA -revoke \"$cname\"" . $reason . $EXTRA{ca});
230} else {
231    print STDERR "Unknown arg \"$WHAT\"\n";
232    print STDERR "Use -help for help.\n";
233    exit 1;
234}
235
236exit $RET;
237