apps/CA.pl.in

   1 #!{- $config{hashbangperl} -}
   2 # Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
   3 #
   4 # Licensed under the OpenSSL license (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
  14 use strict;
  15 use warnings;
  16
  17 my $openssl = "openssl";
  18 if(defined $ENV{'OPENSSL'}) {
  19     $openssl = $ENV{'OPENSSL'};
  20 } else {
  21     $ENV{'OPENSSL'} = $openssl;
  22 }
  23
  24 my $verbose = 1;
  25
  26 my $OPENSSL_CONFIG = $ENV{"OPENSSL_CONFIG"} || "";
  27 my $DAYS = "-days 365";
  28 my $CADAYS = "-days 1095";      # 3 years
  29 my $REQ = "$openssl req $OPENSSL_CONFIG";
  30 my $CA = "$openssl ca $OPENSSL_CONFIG";
  31 my $VERIFY = "$openssl verify";
  32 my $X509 = "$openssl x509";
  33 my $PKCS12 = "$openssl pkcs12";
  34
  35 # default openssl.cnf file has setup as per the following
  36 my $CATOP = "./demoCA";
  37 my $CAKEY = "cakey.pem";
  38 my $CAREQ = "careq.pem";
  39 my $CACERT = "cacert.pem";
  40 my $CACRL = "crl.pem";
  41 my $DIRMODE = 0777;
  42
  43 my $NEWKEY = "newkey.pem";
  44 my $NEWREQ = "newreq.pem";
  45 my $NEWCERT = "newcert.pem";
  46 my $NEWP12 = "newcert.p12";
  47 my $RET = 0;
  48 my $WHAT = shift @ARGV || "";
  49 my @OPENSSL_CMDS = ("req", "ca", "pkcs12", "x509", "verify");
  50 my %EXTRA = extra_args(\@ARGV, "-extra-");
  51 my $FILE;
  52
  53 sub extra_args {
  54     my ($args_ref, $arg_prefix) = @_;
  55     my %eargs = map {
  56         if ($_ < $#$args_ref) {
  57             my ($arg, $value) = splice(@$args_ref, $_, 2);
  58             $arg =~ s/$arg_prefix//;
  59             ($arg, $value);
  60         } else {
  61             ();
  62         }
  63     } reverse grep($$args_ref[$_] =~ /$arg_prefix/, 0..$#$args_ref);
  64     my %empty = map { ($_, "") } @OPENSSL_CMDS;
  65     return (%empty, %eargs);
  66 }
  67
  68 # See if reason for a CRL entry is valid; exit if not.
  69 sub crl_reason_ok
  70 {
  71     my $r = shift;
  72
  73     if ($r eq 'unspecified' || $r eq 'keyCompromise'
  74         || $r eq 'CACompromise' || $r eq 'affiliationChanged'
  75         || $r eq 'superseded' || $r eq 'cessationOfOperation'
  76         || $r eq 'certificateHold' || $r eq 'removeFromCRL') {
  77         return 1;
  78     }
  79     print STDERR "Invalid CRL reason; must be one of:\n";
  80     print STDERR "    unspecified, keyCompromise, CACompromise,\n";
  81     print STDERR "    affiliationChanged, superseded, cessationOfOperation\n";
  82     print STDERR "    certificateHold, removeFromCRL";
  83     exit 1;
  84 }
  85
  86 # Copy a PEM-format file; return like exit status (zero means ok)
  87 sub copy_pemfile
  88 {
  89     my ($infile, $outfile, $bound) = @_;
  90     my $found = 0;
  91
  92     open IN, $infile || die "Cannot open $infile, $!";
  93     open OUT, ">$outfile" || die "Cannot write to $outfile, $!";
  94     while (<IN>) {
  95         $found = 1 if /^-----BEGIN.*$bound/;
  96         print OUT $_ if $found;
  97         $found = 2, last if /^-----END.*$bound/;
  98     }
  99     close IN;
 100     close OUT;
 101     return $found == 2 ? 0 : 1;
 102 }
 103
 104 # Wrapper around system; useful for debugging.  Returns just the exit status
 105 sub run
 106 {
 107     my $cmd = shift;
 108     print "====\n$cmd\n" if $verbose;
 109     my $status = system($cmd);
 110     print "==> $status\n====\n" if $verbose;
 111     return $status >> 8;
 112 }
 113
 114
 115 if ( $WHAT =~ /^(-\?|-h|-help)$/ ) {
 116     print STDERR "usage: CA.pl -newcert | -newreq | -newreq-nodes | -xsign | -sign | -signCA | -signcert | -crl | -newca [-extra-cmd extra-params]\n";
 117     print STDERR "       CA.pl -pkcs12 [-extra-pkcs12 extra-params] [certname]\n";
 118     print STDERR "       CA.pl -verify [-extra-verify extra-params] certfile ...\n";
 119     print STDERR "       CA.pl -revoke [-extra-ca extra-params] certfile [reason]\n";
 120     exit 0;
 121 }
 122 if ($WHAT eq '-newcert' ) {
 123     # create a certificate
 124     $RET = run("$REQ -new -x509 -keyout $NEWKEY -out $NEWCERT $DAYS $EXTRA{req}");
 125     print "Cert is in $NEWCERT, private key is in $NEWKEY\n" if $RET == 0;
 126 } elsif ($WHAT eq '-precert' ) {
 127     # create a pre-certificate
 128     $RET = run("$REQ -x509 -precert -keyout $NEWKEY -out $NEWCERT $DAYS");
 129     print "Pre-cert is in $NEWCERT, private key is in $NEWKEY\n" if $RET == 0;
 130 } elsif ($WHAT =~ /^\-newreq(\-nodes)?$/ ) {
 131     # create a certificate request
 132     $RET = run("$REQ -new $1 -keyout $NEWKEY -out $NEWREQ $DAYS $EXTRA{req}");
 133     print "Request is in $NEWREQ, private key is in $NEWKEY\n" if $RET == 0;
 134 } elsif ($WHAT eq '-newca' ) {
 135     # create the directory hierarchy
 136     mkdir ${CATOP}, $DIRMODE;
 137     mkdir "${CATOP}/certs", $DIRMODE;
 138     mkdir "${CATOP}/crl", $DIRMODE ;
 139     mkdir "${CATOP}/newcerts", $DIRMODE;
 140     mkdir "${CATOP}/private", $DIRMODE;
 141     open OUT, ">${CATOP}/index.txt";
 142     close OUT;
 143     open OUT, ">${CATOP}/crlnumber";
 144     print OUT "01\n";
 145     close OUT;
 146     # ask user for existing CA certificate
 147     print "CA certificate filename (or enter to create)\n";
 148     $FILE = "" unless defined($FILE = <STDIN>);
 149     $FILE =~ s{\R$}{};
 150     if ($FILE ne "") {
 151         copy_pemfile($FILE,"${CATOP}/private/$CAKEY", "PRIVATE");
 152         copy_pemfile($FILE,"${CATOP}/$CACERT", "CERTIFICATE");
 153     } else {
 154         print "Making CA certificate ...\n";
 155         $RET = run("$REQ -new -keyout"
 156                 . " ${CATOP}/private/$CAKEY"
 157                 . " -out ${CATOP}/$CAREQ $EXTRA{req}");
 158         $RET = run("$CA -create_serial"
 159                 . " -out ${CATOP}/$CACERT $CADAYS -batch"
 160                 . " -keyfile ${CATOP}/private/$CAKEY -selfsign"
 161                 . " -extensions v3_ca $EXTRA{ca}"
 162                 . " -infiles ${CATOP}/$CAREQ") if $RET == 0;
 163         print "CA certificate is in ${CATOP}/$CACERT\n" if $RET == 0;
 164     }
 165 } elsif ($WHAT eq '-pkcs12' ) {
 166     my $cname = $ARGV[0];
 167     $cname = "My Certificate" unless defined $cname;
 168     $RET = run("$PKCS12 -in $NEWCERT -inkey $NEWKEY"
 169             . " -certfile ${CATOP}/$CACERT"
 170             . " -out $NEWP12"
 171             . " -export -name \"$cname\" $EXTRA{pkcs12}");
 172     print "PKCS #12 file is in $NEWP12\n" if $RET == 0;
 173 } elsif ($WHAT eq '-xsign' ) {
 174     $RET = run("$CA -policy policy_anything $EXTRA{ca} -infiles $NEWREQ");
 175 } elsif ($WHAT eq '-sign' ) {
 176     $RET = run("$CA -policy policy_anything -out $NEWCERT $EXTRA{ca} -infiles $NEWREQ");
 177     print "Signed certificate is in $NEWCERT\n" if $RET == 0;
 178 } elsif ($WHAT eq '-signCA' ) {
 179     $RET = run("$CA -policy policy_anything -out $NEWCERT"
 180             . " -extensions v3_ca $EXTRA{ca} -infiles $NEWREQ");
 181     print "Signed CA certificate is in $NEWCERT\n" if $RET == 0;
 182 } elsif ($WHAT eq '-signcert' ) {
 183     $RET = run("$X509 -x509toreq -in $NEWREQ -signkey $NEWREQ"
 184             . " -out tmp.pem $EXTRA{x509}");
 185     $RET = run("$CA -policy policy_anything -out $NEWCERT"
 186             . "$EXTRA{ca} -infiles tmp.pem") if $RET == 0;
 187     print "Signed certificate is in $NEWCERT\n" if $RET == 0;
 188 } elsif ($WHAT eq '-verify' ) {
 189     my @files = @ARGV ? @ARGV : ( $NEWCERT );
 190     my $file;
 191     foreach $file (@files) {
 192         my $status = run("$VERIFY \"-CAfile\" ${CATOP}/$CACERT $file $EXTRA{verify}");
 193         $RET = $status if $status != 0;
 194     }
 195 } elsif ($WHAT eq '-crl' ) {
 196     $RET = run("$CA -gencrl -out ${CATOP}/crl/$CACRL $EXTRA{ca}");
 197     print "Generated CRL is in ${CATOP}/crl/$CACRL\n" if $RET == 0;
 198 } elsif ($WHAT eq '-revoke' ) {
 199     my $cname = $ARGV[0];
 200     if (!defined $cname) {
 201         print "Certificate filename is required; reason optional.\n";
 202         exit 1;
 203     }
 204     my $reason = $ARGV[1];
 205     $reason = " -crl_reason $reason"
 206         if defined $reason && crl_reason_ok($reason);
 207     $RET = run("$CA -revoke \"$cname\"" . $reason . $EXTRA{ca});
 208 } else {
 209     print STDERR "Unknown arg \"$WHAT\"\n";
 210     print STDERR "Use -help for help.\n";
 211     exit 1;
 212 }
 213
 214 exit $RET;