-#!/usr/local/bin/perl
+#!/usr/bin/perl
#
-# CA - wrapper around ca to make it easier to use
-#
-# CA -newca ... will setup the right stuff
-# CA -newreq[-nodes] ... will generate a certificate request
-# CA -sign ... will sign the generated request and output
+# Wrapper around the ca to make it easier to use
+# Edit CA.pl.in not CA.pl!
-# default openssl.cnf file has setup as per the following
-# demoCA ... where everything is stored
-my $openssl;
-if(defined $ENV{OPENSSL}) {
- $openssl = $ENV{OPENSSL};
+use strict;
+use warnings;
+
+my $openssl = "openssl";
+if(defined $ENV{'OPENSSL'}) {
+ $openssl = $ENV{'OPENSSL'};
} else {
- $openssl = "openssl";
- $ENV{OPENSSL} = $openssl;
+ $ENV{'OPENSSL'} = $openssl;
}
-$SSLEAY_CONFIG=$ENV{"SSLEAY_CONFIG"};
-$DAYS="-days 365"; # 1 year
-$CADAYS="-days 1095"; # 3 years
-$REQ="$openssl req $SSLEAY_CONFIG";
-$CA="$openssl ca $SSLEAY_CONFIG";
-$VERIFY="$openssl verify";
-$X509="$openssl x509";
-$PKCS12="$openssl pkcs12";
+my $verbose = 1;
-$CATOP="./demoCA";
-$CAKEY="cakey.pem";
-$CAREQ="careq.pem";
-$CACERT="cacert.pem";
-$CACRL="crl.pem";
+my $SSLEAY_CONFIG = $ENV{"SSLEAY_CONFIG"};
+my $DAYS = "-days 365";
+my $CADAYS = "-days 1095"; # 3 years
+my $REQ = "$openssl req $SSLEAY_CONFIG";
+my $CA = "$openssl ca $SSLEAY_CONFIG";
+my $VERIFY = "$openssl verify";
+my $X509 = "$openssl x509";
+my $PKCS12 = "$openssl pkcs12";
-$DIRMODE = 0777;
-
-$RET = 0;
+# 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 $DIRMODE = 0777;
-foreach (@ARGV) {
- if ( /^(-\?|-h|-help)$/ ) {
- print STDERR "usage: CA -newcert|-newreq|-newreq-nodes|-newca|-sign|-verify\n";
- print STDERR " CA -crl|-revoke cert-filename [reason]\n";
- exit 0;
- } elsif (/^-newcert$/) {
- # create a certificate
- system ("$REQ -new -x509 -keyout newkey.pem -out newcert.pem $DAYS");
- $RET=$?;
- print "Certificate is in newcert.pem, private key is in newkey.pem\n"
- } elsif (/^-newreq$/) {
- # create a certificate request
- system ("$REQ -new -keyout newkey.pem -out newreq.pem $DAYS");
- $RET=$?;
- print "Request is in newreq.pem, private key is in newkey.pem\n";
- } elsif (/^-newreq-nodes$/) {
- # create a certificate request
- system ("$REQ -new -nodes -keyout newkey.pem -out newreq.pem $DAYS");
- $RET=$?;
- print "Request is in newreq.pem, private key is in newkey.pem\n";
- } elsif (/^-newca$/) {
- # if explicitly asked for or it doesn't exist then setup the
- # directory structure that Eric likes to manage things
- $NEW="1";
- if ( "$NEW" || ! -f "${CATOP}/serial" ) {
- # 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, ">${CATOP}/crlnumber";
- print OUT "01\n";
- close OUT;
- }
- if ( ! -f "${CATOP}/private/$CAKEY" ) {
- print "CA certificate filename (or enter to create)\n";
- $FILE = <STDIN>;
+my $NEWKEY = "newkey.pem";
+my $NEWREQ = "newreq.pem";
+my $NEWCERT = "newcert.pem";
+my $NEWP12 = "newcert.p12";
+my $RET = 0;
+my $WHAT = shift @ARGV;
+my $FILE;
- chop $FILE;
+# See if reason for a CRL entry is valid; exit if not.
+sub crl_reason_ok
+{
+ my $r = shift;
- # ask user for existing CA certificate
- if ($FILE) {
- cp_pem($FILE,"${CATOP}/private/$CAKEY", "PRIVATE");
- cp_pem($FILE,"${CATOP}/$CACERT", "CERTIFICATE");
- $RET=$?;
- } else {
- print "Making CA certificate ...\n";
- system ("$REQ -new -keyout " .
- "${CATOP}/private/$CAKEY -out ${CATOP}/$CAREQ");
- system ("$CA -create_serial " .
- "-out ${CATOP}/$CACERT $CADAYS -batch " .
- "-keyfile ${CATOP}/private/$CAKEY -selfsign " .
- "-extensions v3_ca " .
- "-infiles ${CATOP}/$CAREQ ");
- $RET=$?;
- }
- }
- } elsif (/^-pkcs12$/) {
- my $cname = $ARGV[1];
- $cname = "My Certificate" unless defined $cname;
- system ("$PKCS12 -in newcert.pem -inkey newkey.pem " .
- "-certfile ${CATOP}/$CACERT -out newcert.p12 " .
- "-export -name \"$cname\"");
- $RET=$?;
- print "PKCS #12 file is in newcert.p12\n";
- exit $RET;
- } elsif (/^-xsign$/) {
- system ("$CA -policy policy_anything -infiles newreq.pem");
- $RET=$?;
- } elsif (/^(-sign|-signreq)$/) {
- system ("$CA -policy policy_anything -out newcert.pem " .
- "-infiles newreq.pem");
- $RET=$?;
- print "Signed certificate is in newcert.pem\n";
- } elsif (/^(-signCA)$/) {
- system ("$CA -policy policy_anything -out newcert.pem " .
- "-extensions v3_ca -infiles newreq.pem");
- $RET=$?;
- print "Signed CA certificate is in newcert.pem\n";
- } elsif (/^-signcert$/) {
- system ("$X509 -x509toreq -in newreq.pem -signkey newreq.pem " .
- "-out tmp.pem");
- system ("$CA -policy policy_anything -out newcert.pem " .
- "-infiles tmp.pem");
- $RET = $?;
- print "Signed certificate is in newcert.pem\n";
- } elsif (/^-verify$/) {
- if (shift) {
- foreach $j (@ARGV) {
- system ("$VERIFY -CAfile $CATOP/$CACERT $j");
- $RET=$? if ($? != 0);
- }
- exit $RET;
- } else {
- system ("$VERIFY -CAfile $CATOP/$CACERT newcert.pem");
- $RET=$?;
- exit $RET;
- }
- } elsif (/^-crl$/) {
- system ("$CA -gencrl -out $CATOP/crl/$CACRL");
- $RET=$?;
- print "Generated CRL is in $CATOP/crl/$CACRL\n" if (!$RET);
- } elsif (/^-revoke$/) {
- my $cname = $ARGV[1];
- if (!defined $cname) {
- print "Certificate filename is required; reason optional.\n";
- exit 1;
- }
- my $reason = $ARGV[2];
- $reason = " -crl_reason $reason"
- if defined $reason && crl_reason_ok($reason);
- my $cmd = "$CA -revoke \"$cname\"".$reason;
- system ($cmd);
- $RET=$?;
- exit $RET;
- } else {
- print STDERR "Unknown arg $_\n";
- print STDERR "usage: CA -newcert|-newreq|-newreq-nodes|-newca|-sign|-verify\n";
- print STDERR " CA -crl|-revoke cert-filename [reason]\n";
- exit 1;
- }
+ if ($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;
}
-exit $RET;
+# Copy a PEM-format file; return like exit status (zero means ok)
+sub copy_pemfile
+{
+ my ($infile, $outfile, $bound) = @_;
+ my $found = 0;
-sub crl_reason_ok {
- my ($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;
+ 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 $found == 2 ? 0 : 1;
}
-sub cp_pem {
-my ($infile, $outfile, $bound) = @_;
-open IN, $infile;
-open OUT, ">$outfile";
-my $flag = 0;
-while (<IN>) {
- $flag = 1 if (/^-----BEGIN.*$bound/) ;
- print OUT $_ if ($flag);
- if (/^-----END.*$bound/) {
- close IN;
- close OUT;
- return;
- }
+# 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 -newcert|-newreq|-newreq-nodes|-newca|-sign|-verify\n";
+ print STDERR " CA -pkcs12 [certname]\n";
+ print STDERR " CA -crl|-revoke cert-filename [reason]\n";
+ exit 0;
+}
+if ($WHAT eq '-newcert' ) {
+ # create a certificate
+ $RET = run("$REQ -new -x509 -keyout $NEWKEY -out $NEWCERT $DAYS");
+ print "Cert is in $NEWCERT, private key is in $NEWKEY\n" if $RET == 0;
+} elsif ($WHAT eq '-newreq' ) {
+ # create a certificate request
+ $RET = run("$REQ -new -keyout $NEWKEY -out $NEWREQ $DAYS");
+ print "Request is in $NEWREQ, private key is in $NEWKEY\n" if $RET == 0;
+} elsif ($WHAT eq '-newreq-nodes' ) {
+ # create a certificate request
+ $RET = run("$REQ -new -nodes -keyout $NEWKEY -out $NEWREQ $DAYS");
+ 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 = <STDIN>;
+ chop $FILE;
+ if ($FILE) {
+ 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");
+ $RET = run("$CA -create_serial"
+ . " -out ${CATOP}/$CACERT $CADAYS -batch"
+ . " -keyfile ${CATOP}/private/$CAKEY -selfsign"
+ . " -extensions v3_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[1];
+ $cname = "My Certificate" unless defined $cname;
+ $RET = run("$PKCS12 -in $NEWCERT -inkey $NEWKEY"
+ . " -certfile ${CATOP}/$CACERT"
+ . " -out $NEWP12"
+ . " -export -name \"$cname\"");
+ print "PKCS #12 file is in $NEWP12\n" if $RET == 0;
+} elsif ($WHAT eq '-xsign' ) {
+ $RET = run("$CA -policy policy_anything -infiles $NEWREQ");
+} elsif ($WHAT eq '-sign' ) {
+ $RET = run("$CA -policy policy_anything -out $NEWCERT -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 -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");
+ $RET = run("$CA -policy policy_anything -out $NEWCERT"
+ . " -infiles tmp.pem") if $RET == 0;
+ print "Signed certificate is in $NEWCERT\n" if $RET == 0;
+} elsif ($WHAT eq '-verify' ) {
+ my @files = @ARGV ? @ARGV : ( $NEWCVERT );
+ foreach $file (@files) {
+ my $status = run("$VERIFY -CAfile ${CATOP}/$CACERT $file");
+ $RET = $status if $status != 0;
+ }
+} elsif ($WHAT eq '-crl' ) {
+ $RET = run("$CA -gencrl -out ${CATOP}/crl/$CACRL");
+ print "Generated CRL is in ${CATOP}/crl/$CACRL\n" if $RET == 0;
+} elsif ($WHAT eq '-revoke' ) {
+ my $cname = $ARGV[1];
+ if (!defined $cname) {
+ print "Certificate filename is required; reason optional.\n";
+ exit 1;
+ }
+ my $reason = $ARGV[2];
+ $reason = " -crl_reason $reason"
+ if defined $reason && crl_reason_ok($reason);
+ $RET = run("$CA -revoke \"$cname\"" . $reason);
+} else {
+ print STDERR "Unknown arg \"$WHAT\"\n";
+ print STDERR "Use -help for help.\n";
+ exit 1;
}
+exit $RET;