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use strict; |
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use warnings; |
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my $verbose = 1; |
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my @OPENSSL_CMDS = ("req", "ca", "pkcs12", "x509", "verify"); |
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my $openssl = $ENV{'OPENSSL'} // "openssl"; |
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$ENV{'OPENSSL'} = $openssl; |
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my $OPENSSL_CONFIG = $ENV{"OPENSSL_CONFIG"} // ""; |
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my $REQ = "$openssl req $OPENSSL_CONFIG"; |
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my $CA = "$openssl ca $OPENSSL_CONFIG"; |
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my $VERIFY = "$openssl verify"; |
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my $X509 = "$openssl x509"; |
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my $PKCS12 = "$openssl pkcs12"; |
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my $CATOP = "./demoCA"; |
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my $CAKEY = "cakey.pem"; |
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my $CAREQ = "careq.pem"; |
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my $CACERT = "cacert.pem"; |
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my $CACRL = "crl.pem"; |
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my $DAYS = "-days 365"; |
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my $CADAYS = "-days 1095"; |
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my $NEWKEY = "newkey.pem"; |
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my $NEWREQ = "newreq.pem"; |
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my $NEWCERT = "newcert.pem"; |
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my $NEWP12 = "newcert.p12"; |
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my %EXTRA; |
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my $WHAT = shift @ARGV || ""; |
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@ARGV = parse_extra(@ARGV); |
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my $RET = 0; |
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sub parse_extra |
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{ |
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foreach ( @OPENSSL_CMDS ) { |
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$EXTRA{$_} = ''; |
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} |
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my @result; |
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while ( scalar(@_) > 0 ) { |
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my $arg = shift; |
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if ( $arg !~ m/-extra-([a-z0-9]+)/ ) { |
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push @result, $arg; |
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next; |
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} |
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$arg =~ s/-extra-//; |
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die("Unknown \"-${arg}-extra\" option, exiting") |
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unless scalar grep { $arg eq $_ } @OPENSSL_CMDS; |
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$EXTRA{$arg} .= " " . shift; |
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} |
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return @result; |
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} |
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sub crl_reason_ok |
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{ |
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my $r = shift; |
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if ($r eq 'unspecified' || $r eq 'keyCompromise' |
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|| $r eq 'CACompromise' || $r eq 'affiliationChanged' |
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|| $r eq 'superseded' || $r eq 'cessationOfOperation' |
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|| $r eq 'certificateHold' || $r eq 'removeFromCRL') { |
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return 1; |
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} |
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print STDERR "Invalid CRL reason; must be one of:\n"; |
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print STDERR " unspecified, keyCompromise, CACompromise,\n"; |
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print STDERR " affiliationChanged, superseded, cessationOfOperation\n"; |
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print STDERR " certificateHold, removeFromCRL"; |
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exit 1; |
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} |
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sub copy_pemfile |
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{ |
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my ($infile, $outfile, $bound) = @_; |
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my $found = 0; |
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open IN, $infile || die "Cannot open $infile, $!"; |
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open OUT, ">$outfile" || die "Cannot write to $outfile, $!"; |
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while (<IN>) { |
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$found = 1 if /^-----BEGIN.*$bound/; |
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print OUT $_ if $found; |
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$found = 2, last if /^-----END.*$bound/; |
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} |
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close IN; |
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close OUT; |
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return $found == 2 ? 0 : 1; |
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} |
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sub run |
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{ |
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my $cmd = shift; |
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print "====\n$cmd\n" if $verbose; |
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my $status = system($cmd); |
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print "==> $status\n====\n" if $verbose; |
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return $status >> 8; |
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} |
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if ( $WHAT =~ /^(-\?|-h|-help)$/ ) { |
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print STDERR <<EOF; |
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Usage: |
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CA.pl -newcert | -newreq | -newreq-nodes | -xsign | -sign | -signCA | -signcert | -crl | -newca [-extra-cmd parameter] |
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CA.pl -pkcs12 [certname] |
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CA.pl -verify certfile ... |
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CA.pl -revoke certfile [reason] |
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EOF |
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exit 0; |
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} |
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if ($WHAT eq '-newcert' ) { |
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$RET = run("$REQ -new -x509 -keyout $NEWKEY -out $NEWCERT $DAYS" |
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. " $EXTRA{req}"); |
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print "Cert is in $NEWCERT, private key is in $NEWKEY\n" if $RET == 0; |
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} elsif ($WHAT eq '-precert' ) { |
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$RET = run("$REQ -x509 -precert -keyout $NEWKEY -out $NEWCERT $DAYS" |
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. " $EXTRA{req}"); |
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print "Pre-cert is in $NEWCERT, private key is in $NEWKEY\n" if $RET == 0; |
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} elsif ($WHAT =~ /^\-newreq(\-nodes)?$/ ) { |
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$RET = run("$REQ -new $1 -keyout $NEWKEY -out $NEWREQ $DAYS $EXTRA{req}"); |
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print "Request is in $NEWREQ, private key is in $NEWKEY\n" if $RET == 0; |
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} elsif ($WHAT eq '-newca' ) { |
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my @dirs = ( "${CATOP}", "${CATOP}/certs", "${CATOP}/crl", |
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"${CATOP}/newcerts", "${CATOP}/private" ); |
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die "${CATOP}/index.txt exists.\nRemove old sub-tree to proceed," |
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if -f "${CATOP}/index.txt"; |
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die "${CATOP}/serial exists.\nRemove old sub-tree to proceed," |
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if -f "${CATOP}/serial"; |
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foreach my $d ( @dirs ) { |
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if ( -d $d ) { |
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warn "Directory $d exists" if -d $d; |
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} else { |
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mkdir $d or die "Can't mkdir $d, $!"; |
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} |
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} |
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open OUT, ">${CATOP}/index.txt"; |
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close OUT; |
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open OUT, ">${CATOP}/crlnumber"; |
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print OUT "01\n"; |
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close OUT; |
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print "CA certificate filename (or enter to create)\n"; |
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my $FILE; |
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$FILE = "" unless defined($FILE = <STDIN>); |
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$FILE =~ s{\R$}{}; |
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if ($FILE ne "") { |
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copy_pemfile($FILE,"${CATOP}/private/$CAKEY", "PRIVATE"); |
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copy_pemfile($FILE,"${CATOP}/$CACERT", "CERTIFICATE"); |
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} else { |
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print "Making CA certificate ...\n"; |
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$RET = run("$REQ -new -keyout ${CATOP}/private/$CAKEY" |
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. " -out ${CATOP}/$CAREQ $EXTRA{req}"); |
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$RET = run("$CA -create_serial" |
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. " -out ${CATOP}/$CACERT $CADAYS -batch" |
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. " -keyfile ${CATOP}/private/$CAKEY -selfsign" |
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. " -extensions v3_ca" |
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. " -infiles ${CATOP}/$CAREQ $EXTRA{ca}") if $RET == 0; |
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print "CA certificate is in ${CATOP}/$CACERT\n" if $RET == 0; |
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} |
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} elsif ($WHAT eq '-pkcs12' ) { |
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my $cname = $ARGV[0]; |
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$cname = "My Certificate" unless defined $cname; |
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$RET = run("$PKCS12 -in $NEWCERT -inkey $NEWKEY" |
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. " -certfile ${CATOP}/$CACERT -out $NEWP12" |
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. " -export -name \"$cname\" $EXTRA{pkcs12}"); |
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print "PKCS #12 file is in $NEWP12\n" if $RET == 0; |
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} elsif ($WHAT eq '-xsign' ) { |
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$RET = run("$CA -policy policy_anything -infiles $NEWREQ $EXTRA{ca}"); |
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} elsif ($WHAT eq '-sign' ) { |
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$RET = run("$CA -policy policy_anything -out $NEWCERT" |
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. " -infiles $NEWREQ $EXTRA{ca}"); |
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print "Signed certificate is in $NEWCERT\n" if $RET == 0; |
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} elsif ($WHAT eq '-signCA' ) { |
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$RET = run("$CA -policy policy_anything -out $NEWCERT" |
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. " -extensions v3_ca -infiles $NEWREQ $EXTRA{ca}"); |
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print "Signed CA certificate is in $NEWCERT\n" if $RET == 0; |
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} elsif ($WHAT eq '-signcert' ) { |
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$RET = run("$X509 -x509toreq -in $NEWREQ -signkey $NEWREQ" |
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. " -out tmp.pem $EXTRA{x509}"); |
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$RET = run("$CA -policy policy_anything -out $NEWCERT" |
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. "-infiles tmp.pem $EXTRA{ca}") if $RET == 0; |
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print "Signed certificate is in $NEWCERT\n" if $RET == 0; |
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} elsif ($WHAT eq '-verify' ) { |
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my @files = @ARGV ? @ARGV : ( $NEWCERT ); |
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foreach my $file (@files) { |
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my $status = run("$VERIFY \"-CAfile\" ${CATOP}/$CACERT $file $EXTRA{verify}"); |
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$RET = $status if $status != 0; |
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} |
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} elsif ($WHAT eq '-crl' ) { |
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$RET = run("$CA -gencrl -out ${CATOP}/crl/$CACRL $EXTRA{ca}"); |
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print "Generated CRL is in ${CATOP}/crl/$CACRL\n" if $RET == 0; |
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} elsif ($WHAT eq '-revoke' ) { |
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my $cname = $ARGV[0]; |
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if (!defined $cname) { |
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print "Certificate filename is required; reason optional.\n"; |
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exit 1; |
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} |
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my $reason = $ARGV[1]; |
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$reason = " -crl_reason $reason" |
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if defined $reason && crl_reason_ok($reason); |
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$RET = run("$CA -revoke \"$cname\"" . $reason . $EXTRA{ca}); |
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} else { |
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print STDERR "Unknown arg \"$WHAT\"\n"; |
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print STDERR "Use -help for help.\n"; |
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exit 1; |
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} |
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exit $RET; |
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