davidb/jdnssec-tools
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 1 Wiki Activity

update to dnsjava-2.0.0; refactor command line parseing a bit; switch to java.util.logging

Browse Source 
git-svn-id: https://svn.verisignlabs.com/jdnssec/tools/trunk@16 4cbd57fe-54e5-0310-bd9a-f30fe5ea5e6e
This commit is contained in:
David Blacka 2005-08-14 02:08:48 +00:00
parent 0d5aed62b6
commit 4b84bbf4db
18 changed files with 1899 additions and 1860 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
bin/_makeDsSet.sh
View File

@ -1,27 +0,0 @@
#! /bin/sh
thisdir=`dirname $0`
basedir=`cd $thisdir/..; pwd`
ulimit -n `ulimit -H -n`
if [ x$JAVA_HOME = x ]; then
JAVA_HOME=/usr/local/jdk1.3
export JAVA_HOME
fi
LD_LIBRARY_PATH=${basedir}/obj:${LD_LIBRARY_PATH}
export LD_LIBRARY_PATH
# set the classpath
CLASSPATH=\
$JAVA_HOME/jre/lib/rt.jar:\
$basedir/obj/classes:\
$basedir/lib/dnsjava.jar:\
$basedir/lib/protomatter-1.1.5.jar:\
$basedir/lib/jdom-B6.jar:\
$basedir/lib/jce1_2_1.jar
export CLASSPATH
exec $JAVA_HOME/bin/java -Xmx64m com.nsi.dnssec.cl.MakeDSSet "$@"

27
bin/_makeKeySet.sh
View File

@ -1,27 +0,0 @@
#! /bin/sh
thisdir=`dirname $0`
basedir=`cd $thisdir/..; pwd`
ulimit -n `ulimit -H -n`
if [ x$JAVA_HOME = x ]; then
JAVA_HOME=/usr/local/jdk1.3
export JAVA_HOME
fi
LD_LIBRARY_PATH=${basedir}/obj:${LD_LIBRARY_PATH}
export LD_LIBRARY_PATH
# set the classpath
CLASSPATH=\
$JAVA_HOME/jre/lib/rt.jar:\
$basedir/obj/classes:\
$basedir/lib/dnsjava.jar:\
$basedir/lib/protomatter-1.1.5.jar:\
$basedir/lib/jdom-B6.jar:\
$basedir/lib/jce1_2_1.jar
export CLASSPATH
exec $JAVA_HOME/bin/java -Xmx64m com.nsi.dnssec.cl.MakeKeySet "$@"

BIN
lib/dnsjava-1.5.2.jar
View File

Binary file not shown.

BIN
lib/dnsjava-2.0.0.jar Normal file
View File

Binary file not shown.

BIN
lib/jce1_2_2.jar
View File

Binary file not shown.

260
src/com/verisignlabs/dnssec/cl/KeyGen.java
View File

@ -1,4 +1,4 @@
// $Id: KeyGen.java,v 1.2 2004/01/16 17:56:17 davidb Exp $
// $Id$
//
// Copyright (C) 2001-2003 VeriSign, Inc.
//
@ -20,6 +20,8 @@
package com.verisignlabs.dnssec.cl;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.io.*;
import java.text.SimpleDateFormat;
import java.text.ParseException;
@ -32,24 +34,24 @@ import com.verisignlabs.dnssec.security.*;
import org.apache.commons.cli.*;
import org.apache.commons.cli.Options;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/** This class forms the command line implementation of a DNSSEC key
* generator
/**
* This class forms the command line implementation of a DNSSEC key generator
*
* @author David Blacka (original)
* @author $Author: davidb $
* @version $Revision: 1.2 $
* @author $Author$
* @version $Revision$
*/
public class KeyGen
{
private static Log log;
private static Logger log;
/** This is a small inner class used to hold all of the command line
* option state. */
/**
* This is a small inner class used to hold all of the command line option
* state.
*/
private static class CLIState
{
private Options opts;
public int algorithm = 5;
public int keylength = 1024;
public String outputfile = null;
@ -59,37 +61,36 @@ public class KeyGen
public String owner = null;
public long ttl = 86400;
public CLIState() { }
public CLIState()
{
setupCLI();
}
public void parseCommandLine(Options opts, String[] args)
throws org.apache.commons.cli.ParseException, ParseException,
IOException
public void parseCommandLine(String[] args)
throws org.apache.commons.cli.ParseException
{
CommandLineParser cli_parser = new PosixParser();
CommandLine cli = cli_parser.parse(opts, args);
String optstr = null;
if (cli.hasOption('h')) usage(opts);
if (cli.hasOption('h')) usage();
if (cli.hasOption('v'))
{
int value = parseInt(cli.getOptionValue('v'), 5);
Logger rootLogger = Logger.getLogger("");
switch (value)
{
case 0:
System.setProperty("org.apache.commons.logging.simplelog.defaultlog",
"fatal");
case 0 :
rootLogger.setLevel(Level.OFF);
break;
case 5:
default:
System.setProperty("org.apache.commons.logging.simplelog.defaultlog",
"debug");
case 5 :
default :
rootLogger.setLevel(Level.FINE);
break;
case 6:
System.setProperty("org.apache.commons.logging.simplelog.defaultlog",
"trace");
case 6 :
rootLogger.setLevel(Level.ALL);
break;
}
}
@ -105,7 +106,7 @@ public class KeyGen
if ((optstr = cli.getOptionValue('n')) != null)
{
if (! optstr.equalsIgnoreCase("ZONE"))
if (!optstr.equalsIgnoreCase("ZONE"))
{
zoneKey = false;
}
@ -130,15 +131,94 @@ public class KeyGen
if (cl_args.length < 1)
{
System.err.println("error: missing key owner name");
usage(opts);
usage();
}
owner = cl_args[0];
}
/**
* Set up the command line options.
*
* @return a set of command line options.
*/
private void setupCLI()
{
opts = new Options();
// boolean options
opts.addOption("h", "help", false, "Print this message.");
opts.addOption("k",
"kskflag",
false,
"Key is a key-signing-key (sets the SEP flag).");
// Argument options
OptionBuilder.hasArg();
OptionBuilder.withLongOpt("nametype");
OptionBuilder.withArgName("type");
OptionBuilder.withDescription("ZONE | OTHER (default ZONE)");
opts.addOption(OptionBuilder.create('n'));
OptionBuilder.hasOptionalArg();
OptionBuilder.withLongOpt("verbose");
OptionBuilder.withArgName("level");
OptionBuilder.withDescription("verbosity level -- 0 is silence, "
+ "5 is debug information, " + "6 is trace information.\n"
+ "default is level 5.");
opts.addOption(OptionBuilder.create('v'));
OptionBuilder.hasArg();
OptionBuilder.withArgName("algorithm");
OptionBuilder.withDescription("RSA | RSASHA1 | RSAMD5 | DH | DSA, "
+ "RSASHA1 is default.");
opts.addOption(OptionBuilder.create('a'));
OptionBuilder.hasArg();
OptionBuilder.withArgName("size");
OptionBuilder.withDescription("key size, in bits. (default = 1024)\n"
+ "RSA|RSASHA1|RSAMD5: [512..4096]\n"
+ "DSA: [512..1024]\n"
+ "DH: [128..4096]");
opts.addOption(OptionBuilder.create('b'));
OptionBuilder.hasArg();
OptionBuilder.withArgName("file");
OptionBuilder.withLongOpt("output-file");
OptionBuilder.withDescription("base filename for the public/private key files");
opts.addOption(OptionBuilder.create('f'));
OptionBuilder.hasArg();
OptionBuilder.withLongOpt("keydir");
OptionBuilder.withArgName("dir");
OptionBuilder.withDescription("place generated key files in this directory");
opts.addOption(OptionBuilder.create('d'));
}
/** This is just a convenience method for parsing integers from
* strings.
/** Print out the usage and help statements, then quit. */
private void usage()
{
HelpFormatter f = new HelpFormatter();
PrintWriter out = new PrintWriter(System.err);
// print our own usage statement:
f.printHelp(out,
75,
"jdnssec-keygen [..options..] name",
null,
opts,
HelpFormatter.DEFAULT_LEFT_PAD,
HelpFormatter.DEFAULT_DESC_PAD,
null);
out.flush();
System.exit(64);
}
}
/**
* This is just a convenience method for parsing integers from strings.
*
* @param s the string to parse.
* @param def the default value, if the string doesn't parse.
@ -189,86 +269,12 @@ public class KeyGen
return DNSSEC.RSASHA1;
}
/** Set up the command line options.
*
* @return a set of command line options.
*/
private static Options setupCLI()
{
Options options = new Options();
// boolean options
options.addOption("h", "help", false, "Print this message.");
options.addOption("k", "kskflag", false,
"Key is a key-signing-key (sets the SEP flag).");
// Argument options
options.addOption(OptionBuilder.hasArg()
.withLongOpt("nametype")
.withArgName("type")
.withDescription("ZONE | OTHER (default ZONE)")
.create('n'));
options.addOption(OptionBuilder.hasOptionalArg()
.withLongOpt("verbose")
.withArgName("level")
.withDescription("verbosity level -- 0 is silence, " +
"5 is debug information, " +
"6 is trace information.\n"+
"default is level 5.")
.create('v'));
options.addOption(OptionBuilder.hasArg()
.withArgName("algorithm")
.withDescription("RSA | RSASHA1 | RSAMD5 | DH | DSA, " +
"RSASHA1 is default.")
.create('a'));
options.addOption(OptionBuilder.hasArg()
.withArgName("size")
.withDescription
("key size, in bits. (default = 1024)\n" +
"RSA|RSASHA1|RSAMD5: [512..4096]\n" +
"DSA: [512..1024]\n" +
"DH: [128..4096]")
.create('b'));
options.addOption(OptionBuilder.hasArg()
.withArgName("file")
.withLongOpt("output-file")
.withDescription
("base filename for the public/private key files")
.create('f'));
options.addOption(OptionBuilder.hasArg()
.withLongOpt("keydir")
.withArgName("dir")
.withDescription
("place generated key files in this directory")
.create('d'));
return options;
}
/** Print out the usage and help statements, then quit. */
private static void usage(Options opts)
{
HelpFormatter f = new HelpFormatter();
PrintWriter out = new PrintWriter(System.err);
// print our own usage statement:
f.printHelp(out, 75, "keyGen.sh [..options..] name", null, opts,
HelpFormatter.DEFAULT_LEFT_PAD,
HelpFormatter.DEFAULT_DESC_PAD, null);
out.flush();
System.exit(64);
}
public static void execute(CLIState state, Options opts)
throws Exception
public static void execute(CLIState state) throws Exception
{
JCEDnsSecSigner signer = new JCEDnsSecSigner();
// Minor hack to make the owner name absolute.
if (! state.owner.endsWith("."))
if (!state.owner.endsWith("."))
{
state.owner = state.owner + ".";
}
@ -277,13 +283,12 @@ public class KeyGen
// Calculate our flags
int flags = 0;
if (state.zoneKey) flags |= DNSKEYRecord.OWNER_ZONE;
if (state.kskFlag) flags |= DNSKEYRecord.FLAG_SEP;
log.debug("create key pair with (name = " + owner_name + ", ttl = " +
state.ttl + ", alg = " + state.algorithm + ", flags = " +
flags + ", length = " + state.keylength + ")");
if (state.zoneKey) flags |= DNSKEYRecord.Flags.ZONE_KEY;
if (state.kskFlag) flags |= DNSKEYRecord.Flags.SEP_KEY;
log.fine("create key pair with (name = " + owner_name + ", ttl = "
+ state.ttl + ", alg = " + state.algorithm + ", flags = " + flags
+ ", length = " + state.keylength + ")");
DnsKeyPair pair = signer.generateKey(owner_name,
state.ttl,
@ -304,45 +309,36 @@ public class KeyGen
public static void main(String[] args)
{
// set up logging.
// For now, we force the commons logging to use the built-in
// SimpleLog.
System.setProperty("org.apache.commons.logging.Log",
"org.apache.commons.logging.impl.SimpleLog");
// set up the command line options
Options opts = setupCLI();
CLIState state = new CLIState();
try
{
state.parseCommandLine(opts, args);
state.parseCommandLine(args);
}
catch (UnrecognizedOptionException e)
{
System.err.println("error: unknown option encountered: " +
e.getMessage());
usage(opts);
System.err.println("error: unknown option encountered: "
+ e.getMessage());
state.usage();
}
catch (AlreadySelectedException e)
{
System.err.println("error: mutually exclusive options have " +
"been selected:\n " + e.getMessage());
usage(opts);
System.err.println("error: mutually exclusive options have "
+ "been selected:\n " + e.getMessage());
state.usage();
}
catch (Exception e)
{
System.err.println("error: unknown command line parsing exception:");
e.printStackTrace();
usage(opts);
state.usage();
}
log = LogFactory.getLog(KeyGen.class);
log = Logger.getLogger(KeyGen.class.toString());
try
{
execute(state, opts);
execute(state);
}
catch (Exception e)
{

464
src/com/verisignlabs/dnssec/cl/SignZone.java
View File

@ -1,4 +1,4 @@
// $Id: SignZone.java,v 1.4 2004/01/16 17:57:47 davidb Exp $
// $Id$
//
// Copyright (C) 2001-2003 VeriSign, Inc.
//
@ -19,37 +19,56 @@
package com.verisignlabs.dnssec.cl;
import java.util.*;
import java.io.*;
import java.text.SimpleDateFormat;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileFilter;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.ParseException;
import java.security.GeneralSecurityException;
import org.xbill.DNS.*;
import com.verisignlabs.dnssec.security.*;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.TimeZone;
import java.util.logging.Logger;
import java.util.logging.Level;
import org.apache.commons.cli.*;
import org.apache.commons.cli.Options;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.xbill.DNS.DNSKEYRecord;
import org.xbill.DNS.DNSSEC;
import org.xbill.DNS.Name;
import org.xbill.DNS.RRset;
import org.xbill.DNS.Record;
import org.xbill.DNS.TextParseException;
/** This class forms the command line implementation of a DNSSEC zone
* signer.
import com.verisignlabs.dnssec.security.BINDKeyUtils;
import com.verisignlabs.dnssec.security.DnsKeyPair;
import com.verisignlabs.dnssec.security.DnsSecVerifier;
import com.verisignlabs.dnssec.security.JCEDnsSecSigner;
import com.verisignlabs.dnssec.security.SignUtils;
import com.verisignlabs.dnssec.security.ZoneUtils;
/**
* This class forms the command line implementation of a DNSSEC zone signer.
*
* @author David Blacka (original)
* @author $Author: davidb $
* @version $Revision: 1.4 $
* @author $Author$
* @version $Revision$
*/
public class SignZone
{
private static Log log;
private static Logger log;
/** This is a small inner class used to hold all of the command line
* option state. */
/**
* This is a small inner class used to hold all of the command line option
* state.
*/
private static class CLIState
{
private Options opts;
private File keyDirectory = null;
public File keysetDirectory = null;
public String[] kskFiles = null;
@ -65,9 +84,12 @@ public class SignZone
public boolean fullySignKeyset = false;
public List includeNames = null;
public CLIState() { }
public CLIState()
{
setupCLI();
}
public void parseCommandLine(Options opts, String[] args)
public void parseCommandLine(String[] args)
throws org.apache.commons.cli.ParseException, ParseException,
IOException
{
@ -76,26 +98,24 @@ public class SignZone
String optstr = null;
if (cli.hasOption('h')) usage(opts);
if (cli.hasOption('h')) usage();
if (cli.hasOption('v'))
{
int value = parseInt(cli.getOptionValue('v'), 5);
Logger rootLogger = Logger.getLogger("");
switch (value)
{
case 0:
System.setProperty("org.apache.commons.logging.simplelog.defaultlog",
"fatal");
case 0 :
rootLogger.setLevel(Level.OFF);
break;
case 5:
default:
System.setProperty("org.apache.commons.logging.simplelog.defaultlog",
"debug");
case 5 :
default :
rootLogger.setLevel(Level.FINE);
break;
case 6:
System.setProperty("org.apache.commons.logging.simplelog.defaultlog",
"trace");
case 6 :
rootLogger.setLevel(Level.ALL);
break;
}
}
@ -113,10 +133,10 @@ public class SignZone
if ((optstr = cli.getOptionValue('d')) != null)
{
keysetDirectory = new File(optstr);
if (! keysetDirectory.isDirectory())
if (!keysetDirectory.isDirectory())
{
System.err.println("error: " + optstr + " is not a directory");
usage(opts);
usage();
}
}
@ -124,10 +144,10 @@ public class SignZone
if ((optstr = cli.getOptionValue('D')) != null)
{
keyDirectory = new File(optstr);
if (! keyDirectory.isDirectory())
if (!keyDirectory.isDirectory())
{
System.err.println("error: " + optstr + " is not a directory");
usage(opts);
usage();
}
}
@ -165,17 +185,121 @@ public class SignZone
if (files.length < 2)
{
System.err.println("error: missing zone file and/or key files");
usage(opts);
usage();
}
zonefile = files[0];
keyFiles = new String[files.length - 1];
System.arraycopy(files, 1, keyFiles, 0, files.length - 1);
}
/**
* Set up the command line options.
*
* @return a set of command line options.
*/
private void setupCLI()
{
opts = new Options();
// boolean options
opts.addOption("h", "help", false, "Print this message.");
opts.addOption("a", false, "verify generated signatures>");
opts.addOption("F",
"fully-sign-keyset",
false,
"sign the zone apex keyset with all "
+ "available keys, instead of just key-signing-keys.");
// Opt-In generation switches
OptionGroup opt_in_opts = new OptionGroup();
opt_in_opts.addOption(new Option("O", "generate a fully Opt-In zone."));
opt_in_opts.addOption(new Option("C",
"generate a conservative Opt-In zone."));
opts.addOptionGroup(opt_in_opts);
// Argument options
OptionBuilder.hasOptionalArg();
OptionBuilder.withLongOpt("verbose");
OptionBuilder.withArgName("level");
OptionBuilder.withDescription("verbosity level -- 0 is silence, "
+ "5 is debug information, "
+ "6 is trace information. "
+ "No argument means 5.");
opts.addOption(OptionBuilder.create('v'));
OptionBuilder.hasArg();
OptionBuilder.withArgName("dir");
OptionBuilder.withLongOpt("keyset-directory");
OptionBuilder.withDescription("directory to find keyset files (default '.').");
opts.addOption(OptionBuilder.create('d'));
OptionBuilder.hasArg();
OptionBuilder.withArgName("dir");
OptionBuilder.withLongOpt("key-directory");
OptionBuilder.withDescription("directory to find key files (default '.').");
opts.addOption(OptionBuilder.create('D'));
OptionBuilder.hasArg();
OptionBuilder.withArgName("time/offset");
OptionBuilder.withLongOpt("start-time");
OptionBuilder.withDescription("signature starting time (default is now - 1 hour)");
opts.addOption(OptionBuilder.create('s'));
OptionBuilder.hasArg();
OptionBuilder.withArgName("time/offset");
OptionBuilder.withLongOpt("expire-time");
OptionBuilder.withDescription("signature expiration time (default is "
+ "start-time + 30 days");
opts.addOption(OptionBuilder.create('e'));
OptionBuilder.hasArg();
OptionBuilder.withArgName("outfile");
OptionBuilder.withDescription("file the signed zone is written "
+ "to (default is <origin>.signed).");
opts.addOption(OptionBuilder.create('f'));
OptionBuilder.hasArgs();
OptionBuilder.withArgName("KSK file");
OptionBuilder.withLongOpt("ksk-file");
OptionBuilder.withDescription("this key is a key signing key "
+ "(may repeat)");
opts.addOption(OptionBuilder.create('k'));
OptionBuilder.hasArg();
OptionBuilder.withArgName("file");
OptionBuilder.withLongOpt("include-file");
OptionBuilder.withDescription("include names in this file "
+ "in the NSEC chain");
opts.addOption(OptionBuilder.create('I'));
}
/** This is just a convenience method for parsing integers from
* strings.
/** Print out the usage and help statements, then quit. */
private void usage()
{
HelpFormatter f = new HelpFormatter();
PrintWriter out = new PrintWriter(System.err);
// print our own usage statement:
out.println("usage: signZone.sh [..options..] zone_file [key_file ...] ");
f.printHelp(out,
75,
"signZone.sh",
null,
opts,
HelpFormatter.DEFAULT_LEFT_PAD,
HelpFormatter.DEFAULT_DESC_PAD,
"\ntime/offset = YYYYMMDDHHmmss|+offset|\"now\"+offset\n");
out.flush();
System.exit(64);
}
}
/**
* This is just a convenience method for parsing integers from strings.
*
* @param s the string to parse.
* @param def the default value, if the string doesn't parse.
@ -194,7 +318,8 @@ public class SignZone
}
}
/** Verify the generated signatures.
/**
* Verify the generated signatures.
*
* @param zonename the origin name of the zone.
* @param records a list of {@link org.xbill.DNS.Record}s.
@ -208,7 +333,7 @@ public class SignZone
DnsSecVerifier verifier = new DnsSecVerifier();
for (Iterator i = keypairs.iterator(); i.hasNext(); )
for (Iterator i = keypairs.iterator(); i.hasNext();)
{
verifier.addTrustedKey((DnsKeyPair) i.next());
}
@ -217,19 +342,19 @@ public class SignZone
List rrsets = SignUtils.assembleIntoRRsets(records);
for (Iterator i = rrsets.iterator(); i.hasNext(); )
for (Iterator i = rrsets.iterator(); i.hasNext();)
{
RRset rrset = (RRset) i.next();
// skip unsigned rrsets.
if (!rrset.sigs().hasNext()) continue;
byte result = verifier.verify(rrset, null);
int result = verifier.verify(rrset, null);
if (result != DNSSEC.Secure)
{
log.debug("Signatures did not verify for RRset: (" + result + "): " +
rrset);
log.fine("Signatures did not verify for RRset: (" + result + "): "
+ rrset);
secure = false;
}
}
@ -237,19 +362,18 @@ public class SignZone
return secure;
}
/** Load the key pairs from the key files.
/**
* Load the key pairs from the key files.
*
* @param keyfiles a string array containing the base names or
* paths of the keys to be loaded.
* @param start_index the starting index of keyfiles string array
* to use. This allows us to use the straight command line
* argument array.
* @param keyfiles a string array containing the base names or paths of the
* keys to be loaded.
* @param start_index the starting index of keyfiles string array to use.
* This allows us to use the straight command line argument array.
* @param inDirectory the directory to look in (may be null).
* @return a list of keypair objects.
*/
private static List getKeys(String[] keyfiles, int start_index,
File inDirectory)
throws IOException
File inDirectory) throws IOException
{
if (keyfiles == null) return null;
@ -267,52 +391,31 @@ public class SignZone
return keys;
}
/** Load a single key from a given keyfile.
*
* @param keyfile the keyfile.
* @param inDirectory the default directory to look in (may be
* null).
* @return a list containing one or zero keypair objects.
/**
* This is an implementation of a file filter used for finding BIND 9-style
* keyset-* files.
*/
private static List getKeys(File keyfile, File inDirectory)
throws IOException
{
if (keyfile == null) return null;
DnsKeyPair k = BINDKeyUtils.loadKeyPair(keyfile.getPath(),
inDirectory);
if (k != null)
{
ArrayList keys = new ArrayList(1);
keys.add(k);
return keys;
}
return null;
}
/** This is an implementation of a file filter used for finding BIND
* 9-style keyset-* files. */
private static class KeysetFileFilter implements FileFilter
{
public boolean accept(File pathname)
{
if (! pathname.isFile()) return false;
if (!pathname.isFile()) return false;
String name = pathname.getName();
if (name.startsWith("keyset-")) return true;
return false;
}
}
/** Load keysets (which contain delegation point security info).
/**
* Load keysets (which contain delegation point security info).
*
* @param inDirectory the directory to look for the keyset files
* (may be null, in which case it defaults to looking in the
* current working directory).
* @param zonename the name of the zone we are signing, so we can
* ignore keysets that do not belong in the zone.
* @return a list of {@link org.xbill.DNS.Record}s found in the
* keyset files.
* @param inDirectory the directory to look for the keyset files (may be
* null, in which case it defaults to looking in the current
* working directory).
* @param zonename the name of the zone we are signing, so we can ignore
* keysets that do not belong in the zone.
* @return a list of {@link org.xbill.DNS.Record}s found in the keyset
* files.
*/
private static List getKeysets(File inDirectory, Name zonename)
throws IOException
@ -336,7 +439,7 @@ public class SignZone
}
// discard records that do not belong to the zone in question.
for (Iterator i = keysetRecords.iterator(); i.hasNext(); )
for (Iterator i = keysetRecords.iterator(); i.hasNext();)
{
Record r = (Record) i.next();
if (!r.getName().subdomain(zonename))
@ -348,20 +451,20 @@ public class SignZone
return keysetRecords;
}
/** Load a list of DNS names from a file.
/**
* Load a list of DNS names from a file.
*
* @param nameListFile the path of a file containing a bare list of
* DNS names.
* @param nameListFile the path of a file containing a bare list of DNS
* names.
* @return a list of {@link org.xbill.DNS.Name} objects.
*/
private static List getNameList(File nameListFile)
throws IOException
private static List getNameList(File nameListFile) throws IOException
{
BufferedReader br = new BufferedReader(new FileReader(nameListFile));
List res = new ArrayList();
String line = null;
while ( (line = br.readLine()) != null )
while ((line = br.readLine()) != null)
{
try
{
@ -370,13 +473,13 @@ public class SignZone
// FIXME: we should probably get some fancy logic here to
// detect if the name needs the origin appended, or just the
// root.
if (! n.isAbsolute()) n = Name.concatenate(n, Name.root);
if (!n.isAbsolute()) n = Name.concatenate(n, Name.root);
res.add(n);
}
catch (TextParseException e)
{
log.error("DNS Name parsing error", e);
log.severe("DNS Name parsing error:" + e);
}
}
@ -384,7 +487,8 @@ public class SignZone
return res;
}
/** Calculate a date/time from a command line time/offset duration string.
/**
* Calculate a date/time from a command line time/offset duration string.
*
* @param start the start time to calculate offsets from.
* @param duration the time/offset string to parse.
@ -413,17 +517,19 @@ public class SignZone
return dateFormatter.parse(duration);
}
/** Determine if the given keypairs can be used to sign the zone.
/**
* Determine if the given keypairs can be used to sign the zone.
*
* @param zonename the zone origin.
* @param keypairs a list of {@link DnsKeyPair} objects that will
* be used to sign the zone.
* @param keypairs a list of {@link DnsKeyPair} objects that will be used to
* sign the zone.
* @return true if the keypairs valid.
*/
private static boolean keyPairsValidForZone(Name zonename, List keypairs)
{
if (keypairs == null) return true; // technically true, I guess.
for (Iterator i = keypairs.iterator(); i.hasNext(); )
for (Iterator i = keypairs.iterator(); i.hasNext();)
{
DnsKeyPair kp = (DnsKeyPair) i.next();
Name keyname = kp.getDNSKEYRecord().getName();
@ -436,103 +542,8 @@ public class SignZone
return true;
}
/** Set up the command line options.
*
* @return a set of command line options.
*/
private static Options setupCLI()
{
Options options = new Options();
// boolean options
options.addOption("h", "help", false, "Print this message.");
options.addOption("a", false, "verify generated signatures>");
options.addOption("F", "fully-sign-keyset", false,
"sign the zone apex keyset with all " +
"available keys, instead of just key-signing-keys.");
// Opt-In generation switches
OptionGroup opt_in_opts = new OptionGroup();
opt_in_opts.addOption(new Option
("O", "generate a fully Opt-In zone."));
opt_in_opts.addOption(new Option
("C", "generate a conservative Opt-In zone."));
options.addOptionGroup(opt_in_opts);
// Argument options
options.addOption(OptionBuilder.hasOptionalArg()
.withArgName("level")
.withDescription("verbosity level -- 0 is silence, " +
"5 is debug information, " +
"6 is trace information. " +
"No argument means 5.")
.create('v'));
options.addOption(OptionBuilder.hasArg()
.withArgName("dir")
.withLongOpt("keyset-directory")
.withDescription
("directory to find keyset files (default '.').")
.create('d'));
options.addOption(OptionBuilder.hasArg()
.withArgName("dir")
.withLongOpt("key-directory")
.withDescription
("directory to find key files (default '.').")
.create('D'));
options.addOption(OptionBuilder.hasArg()
.withArgName("time/offset")
.withLongOpt("start-time")
.withDescription
("signature starting time (default is now - 1 hour)")
.create('s'));
options.addOption(OptionBuilder.hasArg()
.withArgName("time/offset")
.withLongOpt("expire-time")
.withDescription
("signature expiration time (default is " +
"start-time + 30 days")
.create('e'));
options.addOption(OptionBuilder.hasArg()
.withArgName("outfile")
.withDescription("file the signed zone is written " +
"to (default is <origin>.signed).")
.create('f'));
options.addOption(OptionBuilder.hasArgs()
.withArgName("KSK file")
.withLongOpt("ksk-file")
.withDescription("this key is a key signing key " +
"(may repeat)")
.create('k'));
options.addOption(OptionBuilder.hasArg()
.withArgName("file")
.withLongOpt("include-file")
.withDescription("include names in this file " +
"in the NSEC chain")
.create('I'));
return options;
}
/** Print out the usage and help statements, then quit. */
private static void usage(Options opts)
{
HelpFormatter f = new HelpFormatter();
PrintWriter out = new PrintWriter(System.err);
// print our own usage statement:
out.println("usage: signZone.sh [..options..] zone_file [key_file ...] ");
f.printHelp(out, 75, "signZone.sh", null, opts,
HelpFormatter.DEFAULT_LEFT_PAD, HelpFormatter.DEFAULT_DESC_PAD,
"\ntime/offset = YYYYMMDDHHmmss|+offset|\"now\"+offset\n");
out.flush();
System.exit(64);
}
public static void execute(CLIState state, Options opts)
throws Exception
public static void execute(CLIState state) throws Exception
{
// Load the key pairs.
@ -547,14 +558,14 @@ public class SignZone
// signing key (presumably), presume that the zone signing keys
// are just not differentiated and try to figure out which keys
// are actually ksks by looking at the SEP flag.
if ( (kskpairs == null || kskpairs.size() == 0) &&
keypairs != null && keypairs.size() > 1)
if ((kskpairs == null || kskpairs.size() == 0) && keypairs != null
&& keypairs.size() > 1)
{
for (Iterator i = keypairs.iterator(); i.hasNext(); )
for (Iterator i = keypairs.iterator(); i.hasNext();)
{
DnsKeyPair pair = (DnsKeyPair) i.next();
DNSKEYRecord kr = pair.getDNSKEYRecord();
if ((kr.getFlags() & DNSKEYRecord.FLAG_SEP) != 0)
if ((kr.getFlags() & DNSKEYRecord.Flags.SEP_KEY) != 0)
{
if (kskpairs == null) kskpairs = new ArrayList();
kskpairs.add(pair);
@ -568,7 +579,7 @@ public class SignZone
if (records == null || records.size() == 0)
{
System.err.println("error: empty zone file");
usage(opts);
state.usage();
}
// calculate the zone name.
@ -576,7 +587,7 @@ public class SignZone
if (zonename == null)
{
System.err.println("error: invalid zone file - no SOA");
usage(opts);
state.usage();
}
// default the output file, if not set.
@ -593,12 +604,10 @@ public class SignZone
}
// Verify that the keys can be in the zone.
List kpairs = keypairs;
if (!keyPairsValidForZone(zonename, keypairs) ||
!keyPairsValidForZone(zonename, kskpairs))
if (!keyPairsValidForZone(zonename, keypairs)
|| !keyPairsValidForZone(zonename, kskpairs))
{
usage(opts);
state.usage();
}
// We force the signing keys to be in the zone by just appending
@ -606,16 +615,16 @@ public class SignZone
// removes duplicate records.
if (kskpairs != null)
{
for (Iterator i = kskpairs.iterator(); i.hasNext(); )
for (Iterator i = kskpairs.iterator(); i.hasNext();)
{
records.add( ((DnsKeyPair) i.next()).getDNSKEYRecord() );
records.add(((DnsKeyPair) i.next()).getDNSKEYRecord());
}
}
if (keypairs != null)
{
for (Iterator i = keypairs.iterator(); i.hasNext(); )
for (Iterator i = keypairs.iterator(); i.hasNext();)
{
records.add( ((DnsKeyPair) i.next()).getDNSKEYRecord() );
records.add(((DnsKeyPair) i.next()).getDNSKEYRecord());
}
}
@ -653,7 +662,7 @@ public class SignZone
keypairs.addAll(kskpairs);
}
log.debug("verifying generated signatures");
log.fine("verifying generated signatures");
boolean res = verifyZoneSigs(zonename, signed_records, keypairs);
if (res)
@ -672,44 +681,35 @@ public class SignZone
public static void main(String[] args)
{
// set up logging.
// For now, we force the commons logging to use the built-in
// SimpleLog.
System.setProperty("org.apache.commons.logging.Log",
"org.apache.commons.logging.impl.SimpleLog");
// set up the command line options
Options opts = setupCLI();
CLIState state = new CLIState();
try
{
state.parseCommandLine(opts, args);
state.parseCommandLine(args);
}
catch (UnrecognizedOptionException e)
{
System.err.println("error: unknown option encountered: " +
e.getMessage());
usage(opts);
System.err.println("error: unknown option encountered: "
+ e.getMessage());
state.usage();
}
catch (AlreadySelectedException e)
{
System.err.println("error: mutually exclusive options have " +
"been selected:\n " + e.getMessage());
usage(opts);
System.err.println("error: mutually exclusive options have "
+ "been selected:\n " + e.getMessage());
state.usage();
}
catch (Exception e)
{
System.err.println("error: unknown command line parsing exception:");
e.printStackTrace();
usage(opts);
state.usage();
}
log = LogFactory.getLog(SignZone.class);
log = Logger.getLogger(SignZone.class.toString());
try
{
execute(state, opts);
execute(state);
}
catch (Exception e)
{

250
src/com/verisignlabs/dnssec/cl/VerifyZone.java
View File

@ -1,4 +1,4 @@
// $Id: VerifyZone.java,v 1.1 2004/01/16 17:57:59 davidb Exp $
// $Id$
//
// Copyright (C) 2001-2003 VeriSign, Inc.
//
@ -19,73 +19,82 @@
package com.verisignlabs.dnssec.cl;
import java.util.*;
import java.io.*;
import java.text.SimpleDateFormat;
import java.text.ParseException;
import java.security.GeneralSecurityException;
import org.xbill.DNS.*;
import com.verisignlabs.dnssec.security.*;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.commons.cli.*;
import org.apache.commons.cli.Options;
import org.xbill.DNS.DNSSEC;
import org.xbill.DNS.RRSIGRecord;
import org.xbill.DNS.RRset;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.verisignlabs.dnssec.security.BINDKeyUtils;
import com.verisignlabs.dnssec.security.DnsKeyPair;
import com.verisignlabs.dnssec.security.DnsSecVerifier;
import com.verisignlabs.dnssec.security.RecordComparator;
import com.verisignlabs.dnssec.security.SignUtils;
import com.verisignlabs.dnssec.security.ZoneUtils;
/** This class forms the command line implementation of a DNSSEC zone
/**
* This class forms the command line implementation of a DNSSEC zone
* validator.
*
* @author David Blacka (original)
* @author $Author: davidb $
* @version $Revision: 1.1 $
* @author $Author$
* @version $Revision$
*/
public class VerifyZone
{
private static Log log;
private static Logger log;
/** This is a small inner class used to hold all of the command line
* option state. */
/**
* This is a small inner class used to hold all of the command line option
* state.
*/
private static class CLIState
{
private Options opts;
public boolean strict = false;
public File keydir = null;
public String zonefile = null;
public String[] keyfiles = null;
public CLIState() { }
public CLIState()
{
setupCLI();
}
public void parseCommandLine(Options opts, String[] args)
throws org.apache.commons.cli.ParseException, ParseException,
IOException
public void parseCommandLine(String[] args)
throws org.apache.commons.cli.ParseException
{
CommandLineParser cli_parser = new PosixParser();
CommandLine cli = cli_parser.parse(opts, args);
String optstr = null;
if (cli.hasOption('h')) usage(opts);
if (cli.hasOption('h')) usage();
if (cli.hasOption('v'))
{
int value = parseInt(cli.getOptionValue('v'), 5);
Logger rootLogger = Logger.getLogger("");
switch (value)
{
case 0:
System.setProperty("org.apache.commons.logging.simplelog.defaultlog",
"fatal");
case 0 :
rootLogger.setLevel(Level.OFF);
break;
case 5:
default:
System.setProperty("org.apache.commons.logging.simplelog.defaultlog",
"debug");
case 5 :
default :
rootLogger.setLevel(Level.FINE);
break;
case 6:
System.setProperty("org.apache.commons.logging.simplelog.defaultlog",
"trace");
case 6 :
rootLogger.setLevel(Level.ALL);
break;
}
}
@ -97,13 +106,12 @@ public class VerifyZone
keydir = new File(optstr);
}
String[] cl_args = cli.getArgs();
if (cl_args.length < 1)
{
System.err.println("error: missing zone file");
usage(opts);
usage();
}
zonefile = cl_args[0];
@ -111,16 +119,71 @@ public class VerifyZone
if (cl_args.length < 2)
{
System.err.println("error: at least one trusted key is required");
usage(opts);
usage();
}
keyfiles = new String[cl_args.length - 1];
System.arraycopy(cl_args, 1, keyfiles, 0, keyfiles.length);
}
/**
* Set up the command line options.
*
* @return a set of command line options.
*/
private void setupCLI()
{
opts = new Options();
// boolean options
opts.addOption("h", "help", false, "Print this message.");
opts.addOption("s",
"strict",
false,
"Zone will only be considered valid if all "
+ "signatures could be cryptographically verified");
// Argument options
OptionBuilder.hasArg();
OptionBuilder.withLongOpt("keydir");
OptionBuilder.withArgName("dir");
OptionBuilder.withDescription("directory to find trusted key files");
opts.addOption(OptionBuilder.create('d'));
OptionBuilder.hasOptionalArg();
OptionBuilder.withLongOpt("verbose");
OptionBuilder.withArgName("level");
OptionBuilder.withDescription("verbosity level -- 0 is silence, "
+ "5 is debug information, 6 is trace information.\n"
+ "default is level 5.");
opts.addOption(OptionBuilder.create('v'));
}
/** This is just a convenience method for parsing integers from
* strings.
/** Print out the usage and help statements, then quit. */
public void usage()
{
HelpFormatter f = new HelpFormatter();
PrintWriter out = new PrintWriter(System.err);
// print our own usage statement:
f.printHelp(out,
75,
"verifyZone.sh [..options..] zonefile " + "keyfile [keyfile...]",
null,
opts,
HelpFormatter.DEFAULT_LEFT_PAD,
HelpFormatter.DEFAULT_DESC_PAD,
null);
out.flush();
System.exit(64);
}
/**
* This is just a convenience method for parsing integers from strings.
*
* @param s the string to parse.
* @param def the default value, if the string doesn't parse.
@ -139,58 +202,8 @@ public class VerifyZone
}
}
/** Set up the command line options.
*
* @return a set of command line options.
*/
private static Options setupCLI()
{
Options options = new Options();
// boolean options
options.addOption("h", "help", false, "Print this message.");
options.addOption("s", "strict", false,
"Zone will only be considered valid if all " +
"signatures could be cryptographically verified");
// Argument options
options.addOption(OptionBuilder.hasArg()
.withLongOpt("keydir")
.withArgName("dir")
.withDescription("directory to find trusted key files")
.create('d'));
options.addOption(OptionBuilder.hasOptionalArg()
.withLongOpt("verbose")
.withArgName("level")
.withDescription("verbosity level -- 0 is silence, " +
"5 is debug information, " +
"6 is trace information.\n" +
"default is level 5.")
.create('v'));
return options;
}
/** Print out the usage and help statements, then quit. */
private static void usage(Options opts)
{
HelpFormatter f = new HelpFormatter();
PrintWriter out = new PrintWriter(System.err);
// print our own usage statement:
f.printHelp(out, 75,
"verifyZone.sh [..options..] zonefile " +
"keyfile [keyfile...]", null, opts,
HelpFormatter.DEFAULT_LEFT_PAD,
HelpFormatter.DEFAULT_DESC_PAD, null);
out.flush();
System.exit(64);
}
private static byte verifyZoneSignatures(List records, List keypairs)
{
// Zone is secure until proven otherwise.
@ -198,25 +211,25 @@ public class VerifyZone
DnsSecVerifier verifier = new DnsSecVerifier();
for (Iterator i = keypairs.iterator(); i.hasNext(); )
for (Iterator i = keypairs.iterator(); i.hasNext();)
{
verifier.addTrustedKey((DnsKeyPair) i.next());
}
List rrsets = SignUtils.assembleIntoRRsets(records);
for (Iterator i = rrsets.iterator(); i.hasNext(); )
for (Iterator i = rrsets.iterator(); i.hasNext();)
{
RRset rrset = (RRset) i.next();
// We verify each signature separately so that we can report
// which exact signature failed.
for (Iterator j = rrset.sigs(); j.hasNext(); )
for (Iterator j = rrset.sigs(); j.hasNext();)
{
Object o = j.next();
if (! (o instanceof RRSIGRecord))
if (!(o instanceof RRSIGRecord))
{
log.debug("found " + o + " where expecting a RRSIG");
log.fine("found " + o + " where expecting a RRSIG");
continue;
}
RRSIGRecord sigrec = (RRSIGRecord) o;
@ -224,7 +237,8 @@ public class VerifyZone
byte res = verifier.verifySignature(rrset, sigrec, null);
if (res != DNSSEC.Secure)
{
log.info("Signature failed to verify RRset: " + rrset + "\nsig: " + sigrec);
log.info("Signature failed to verify RRset: " + rrset + "\nsig: "
+ sigrec);
}
if (res < result) result = res;
}
@ -249,8 +263,7 @@ public class VerifyZone
return keys;
}
public static void execute(CLIState state, Options opts)
throws Exception
public static void execute(CLIState state) throws Exception
{
List keypairs = getTrustedKeys(state.keyfiles, state.keydir);
@ -258,23 +271,23 @@ public class VerifyZone
List records = ZoneUtils.readZoneFile(state.zonefile, null);
Collections.sort(records, new RecordComparator());
log.debug("verifying signatures...");
log.fine("verifying signatures...");
byte result = verifyZoneSignatures(records, keypairs);
log.debug("completed verification process.");
log.fine("completed verification process.");
switch (result)
{
case DNSSEC.Failed:
case DNSSEC.Failed :
System.out.println("zone did not verify.");
System.exit(1);
break;
case DNSSEC.Insecure:
case DNSSEC.Insecure :
if (state.strict)
{
System.out.println("zone did not verify.");
System.exit(1);
}
case DNSSEC.Secure:
case DNSSEC.Secure :
System.out.println("zone verified.");
break;
}
@ -283,45 +296,36 @@ public class VerifyZone
public static void main(String[] args)
{
// set up logging.
// For now, we force the commons logging to use the built-in
// SimpleLog.
System.setProperty("org.apache.commons.logging.Log",
"org.apache.commons.logging.impl.SimpleLog");
// set up the command line options
Options opts = setupCLI();
CLIState state = new CLIState();
try
{
state.parseCommandLine(opts, args);
state.parseCommandLine(args);
}
catch (UnrecognizedOptionException e)
{
System.err.println("error: unknown option encountered: " +
e.getMessage());
usage(opts);
System.err.println("error: unknown option encountered: "
+ e.getMessage());
state.usage();
}
catch (AlreadySelectedException e)
{
System.err.println("error: mutually exclusive options have " +
"been selected:\n " + e.getMessage());
usage(opts);
System.err.println("error: mutually exclusive options have "
+ "been selected:\n " + e.getMessage());
state.usage();
}
catch (Exception e)
{
System.err.println("error: unknown command line parsing exception:");
e.printStackTrace();
usage(opts);
state.usage();
}
log = LogFactory.getLog(VerifyZone.class);
log = Logger.getLogger(VerifyZone.class.toString());
try
{
execute(state, opts);
execute(state);
}
catch (Exception e)
{

208
src/com/verisignlabs/dnssec/security/BINDKeyUtils.java
View File

@ -1,4 +1,4 @@
// $Id: BINDKeyUtils.java,v 1.5 2004/02/25 20:46:14 davidb Exp $
// $Id$
//
// Copyright (C) 2001-2003 VeriSign, Inc.
//
@ -19,22 +19,35 @@
package com.verisignlabs.dnssec.security;
import java.io.*;
import java.security.*;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.text.NumberFormat;
import org.xbill.DNS.*;
import org.xbill.DNS.DNSKEYRecord;
import org.xbill.DNS.Master;
import org.xbill.DNS.Name;
import org.xbill.DNS.RRset;
import org.xbill.DNS.Record;
import org.xbill.DNS.Type;
import org.xbill.DNS.utils.base64;
/** This class contains a series of static methods used for
* manipulating BIND 9.x.x-style DNSSEC key files.
/**
* This class contains a series of static methods used for manipulating BIND
* 9.x.x-style DNSSEC key files.
*
* In this class, the "base" key path or name is the file name
* without the trailing ".key" or ".private".
* In this class, the "base" key path or name is the file name without the
* trailing ".key" or ".private".
*
* @author David Blacka (original)
* @author $Author: davidb $
* @version $Revision: 1.5 $
* @author $Author$
* @version $Revision$
*/
public class BINDKeyUtils
{
@ -42,10 +55,11 @@ public class BINDKeyUtils
private static NumberFormat mAlgNumberFormatter;
private static NumberFormat mKeyIdNumberFormatter;
/** Calculate the BIND9 key file base name (i.e., without the ".key"
* or ".private" extensions) */
private static String getKeyFileBase(Name signer, int algorithm,
int keyid)
/**
* Calculate the BIND9 key file base name (i.e., without the ".key" or
* ".private" extensions)
*/
private static String getKeyFileBase(Name signer, int algorithm, int keyid)
{
if (mAlgNumberFormatter == null)
{
@ -64,15 +78,13 @@ public class BINDKeyUtils
keyid &= 0xFFFF;
String fn = "K" + signer + "+" +
mAlgNumberFormatter.format(algorithm) +
"+" +
mKeyIdNumberFormatter.format(keyid);
String fn = "K" + signer + "+" + mAlgNumberFormatter.format(algorithm)
+ "+" + mKeyIdNumberFormatter.format(keyid);
return fn;
}
/** Reads in the KEYRecord from the public key file */
/** Reads in the DNSKEYRecord from the public key file */
private static DNSKEYRecord loadPublicKeyFile(File publicKeyFile)
throws IOException
{
@ -81,7 +93,7 @@ public class BINDKeyUtils
Record r;
DNSKEYRecord result = null;
while ( (r = m.nextRecord()) != null )
while ((r = m.nextRecord()) != null)
{
if (r.getType() == Type.DNSKEY)
{
@ -101,7 +113,7 @@ public class BINDKeyUtils
String line;
while ( (line = in.readLine()) != null)
while ((line = in.readLine()) != null)
{
key_buf.append(line);
key_buf.append('\n');
@ -110,52 +122,51 @@ public class BINDKeyUtils
return key_buf.toString().trim();
}
/** Given an actual path for one of the key files, return the base
* name */
/**
* Given an actual path for one of the key files, return the base name
*/
private static String fixKeyFileBasePath(String basePath)
{
if (basePath == null) throw new IllegalArgumentException();
if (basePath.endsWith(".key") ||
basePath.endsWith(".private"))
if (basePath.endsWith(".key") || basePath.endsWith(".private"))
{
basePath = basePath.substring
(0, basePath.lastIndexOf("."));
basePath = basePath.substring(0, basePath.lastIndexOf("."));
}
return basePath;
}
/** Given the information necessary to construct the path to a BIND9
/**
* Given the information necessary to construct the path to a BIND9
* generated key pair, load the key pair.
*
* @param signer the DNS name of the key.
* @param algorithm the DNSSEC algorithm of the key.
* @param keyid the DNSSEC key footprint.
* @param inDirectory the directory to look for the files (may be
* null).
* @param inDirectory the directory to look for the files (may be null).
* @return the loaded key pair.
* @throws IOException if there was a problem reading the BIND9
* files. */
public static DnsKeyPair loadKeyPair(Name signer, int algorithm,
int keyid, File inDirectory)
throws IOException
* @throws IOException if there was a problem reading the BIND9 files.
*/
public static DnsKeyPair loadKeyPair(Name signer, int algorithm, int keyid,
File inDirectory) throws IOException
{
String keyFileBase = getKeyFileBase(signer, algorithm, keyid);
return loadKeyPair(keyFileBase, inDirectory);
}
/** Given a base path to a BIND9 key pair, load the key pair.
/**
* Given a base path to a BIND9 key pair, load the key pair.
*
* @param keyFileBasePath the base filename (or real filename for
* either the public or private key) of the key.
* @param inDirectory the directory to look in, if the
* keyFileBasePath is relative.
* @param keyFileBasePath the base filename (or real filename for either the
* public or private key) of the key.
* @param inDirectory the directory to look in, if the keyFileBasePath is
* relative.
* @return the loaded key pair.
* @throws IOException if there was a problem reading the files */
* @throws IOException if there was a problem reading the files
*/
public static DnsKeyPair loadKeyPair(String keyFileBasePath,
File inDirectory)
throws IOException
File inDirectory) throws IOException
{
keyFileBasePath = fixKeyFileBasePath(keyFileBasePath);
// FIXME: should we throw the IOException when one of the files
@ -174,17 +185,16 @@ public class BINDKeyUtils
return kp;
}
/** Given a base path to a BIND9 key pair, load the public part
* (only) of the key pair
/**
* Given a base path to a BIND9 key pair, load the public part (only) of the
* key pair
*
* @param keyFileBasePath the base or real path to the public part
* of a key pair.
* @param inDirectory the directory to look in if the path is
* relative (may be null).
* @return a {@link DnsKeyPair} containing just the public key
* information.
* @throws IOException if there was a problem reading the public
* key file.
* @param keyFileBasePath the base or real path to the public part of a key
* pair.
* @param inDirectory the directory to look in if the path is relative (may
* be null).
* @return a {@link DnsKeyPair} containing just the public key information.
* @throws IOException if there was a problem reading the public key file.
*/
public static DnsKeyPair loadKey(String keyFileBasePath, File inDirectory)
throws IOException
@ -200,18 +210,16 @@ public class BINDKeyUtils
return kp;
}
/** Load a BIND keyset file. The BIND 9 dnssec tools typically call
* these files "keyset-[signer]." where [signer] is the DNS owner
* name of the key. The keyset may be signed, but doesn't have to
* be.
/**
* Load a BIND keyset file. The BIND 9 dnssec tools typically call these
* files "keyset-[signer]." where [signer] is the DNS owner name of the key.
* The keyset may be signed, but doesn't have to be.
*
* @param keysetFileName the name of the keyset file.
* @param inDirectory the directory to look in if the path is
* relative (may be null, defaults to the current working
* directory).
* @param inDirectory the directory to look in if the path is relative (may
* be null, defaults to the current working directory).
* @return a RRset contain the KEY records and any associated SIG records.
* @throws IOException if there was a problem reading the keyset
* file.
* @throws IOException if there was a problem reading the keyset file.
*/
public static RRset loadKeySet(String keysetFileName, File inDirectory)
throws IOException
@ -222,7 +230,7 @@ public class BINDKeyUtils
Record r;
RRset keyset = new RRset();
while ( (r = m.nextRecord()) != null )
while ((r = m.nextRecord()) != null)
{
keyset.addRR(r);
}
@ -230,7 +238,8 @@ public class BINDKeyUtils
return keyset;
}
/** Calculate the key file base for this key pair.
/**
* Calculate the key file base for this key pair.
*
* @param pair the {@link DnsKeyPair} to work from. It only needs a public
* key.
@ -246,9 +255,10 @@ public class BINDKeyUtils
keyrec.getFootprint());
}
/** @return a {@link java.io.File} object representing the BIND9
* public key file. */
/**
* @return a {@link java.io.File} object representing the BIND9 public key
* file.
*/
public static File getPublicKeyFile(DnsKeyPair pair, File inDirectory)
{
String keyfilebase = keyFileBase(pair);
@ -257,8 +267,10 @@ public class BINDKeyUtils
return new File(inDirectory, keyfilebase + ".key");
}
/** @return a {@link java.io.File} object representing the BIND9
* private key file */
/**
* @return a {@link java.io.File} object representing the BIND9 private key
* file
*/
public static File getPrivateKeyFile(DnsKeyPair pair, File inDirectory)
{
String keyfilebase = keyFileBase(pair);
@ -267,10 +279,11 @@ public class BINDKeyUtils
return new File(inDirectory, keyfilebase + ".private");
}
/** Given a the contents of a BIND9 private key file, convert it
* into a native {@link java.security.PrivateKey} object.
* @param privateKeyString the contents of a BIND9 key file in
* string form.
/**
* Given a the contents of a BIND9 private key file, convert it into a
* native {@link java.security.PrivateKey} object.
*
* @param privateKeyString the contents of a BIND9 key file in string form.
* @return a {@link java.security.PrivateKey}
*/
public static PrivateKey convertPrivateKeyString(String privateKeyString)
@ -296,13 +309,14 @@ public class BINDKeyUtils
return null;
}
/** Given a native private key, convert it into a BIND9 private key
* file format.
/**
* Given a native private key, convert it into a BIND9 private key file
* format.
*
* @param priv the private key to convert.
* @param pub the private key's corresponding public key. Some
* algorithms require information from both.
* @return a string containing the contents of a BIND9 private key
* file.
* @param pub the private key's corresponding public key. Some algorithms
* require information from both.
* @return a string containing the contents of a BIND9 private key file.
*/
public static String convertPrivateKey(PrivateKey priv, PublicKey pub,
int alg)
@ -312,8 +326,7 @@ public class BINDKeyUtils
// debug
// System.out.println("converting from privatekey to bind9 string");
DnsKeyConverter keyconv = new DnsKeyConverter();
String priv_string
= keyconv.generatePrivateKeyString(priv, pub, alg);
String priv_string = keyconv.generatePrivateKeyString(priv, pub, alg);
return priv_string;
}
@ -321,11 +334,12 @@ public class BINDKeyUtils
return null;
}
/** Convert the KEY record to the exact string format that the
* dnssec-* routines need. Currently, the DNSJAVA package uses a
* multiline mode for its record formatting. The BIND9 tools
* require everything on a single line. */
/**
* Convert the KEY record to the exact string format that the dnssec-*
* routines need. Currently, the DNSJAVA package uses a multiline mode for
* its record formatting. The BIND9 tools require everything on a single
* line.
*/
private static String DNSKEYtoString(DNSKEYRecord rec)
{
StringBuffer buf = new StringBuffer();
@ -343,25 +357,25 @@ public class BINDKeyUtils
return buf.toString();
}
/** This routine will write out the BIND9 dnssec-* tool compatible
* files.
/**
* This routine will write out the BIND9 dnssec-* tool compatible files.
*
* @param baseFileName use this base file name. If null, the
* standard BIND9 base file name will be computed.
* @param baseFileName use this base file name. If null, the standard BIND9
* base file name will be computed.
* @param pair the keypair in question.
* @param inDirectory the directory to write to (may be null).
* @throws IOException if there is a problem writing the files.
*/
public static void writeKeyFiles(String baseFileName, DnsKeyPair pair,
File inDirectory)
throws IOException
File inDirectory) throws IOException
{
DNSKEYRecord pub = pair.getDNSKEYRecord();
String priv = pair.getPrivateKeyString();
if (priv == null)
{
priv = convertPrivateKey(pair.getPrivate(), pair.getPublic(),
priv = convertPrivateKey(pair.getPrivate(),
pair.getPublic(),
pair.getDNSKEYAlgorithm());
}
@ -369,8 +383,7 @@ public class BINDKeyUtils
// Write the public key file
File pubkeyfile = new File(inDirectory, baseFileName + ".key");
PrintWriter out
= new PrintWriter(new FileWriter(pubkeyfile));
PrintWriter out = new PrintWriter(new FileWriter(pubkeyfile));
out.println(DNSKEYtoString(pub));
out.close();
@ -382,8 +395,9 @@ public class BINDKeyUtils
}
/** This routine will write out the BIND9 dnssec-* tool compatible
* files to the standard file names.
/**
* This routine will write out the BIND9 dnssec-* tool compatible files to
* the standard file names.
*
* @param pair the key pair in question.
* @param inDirectory the directory to write to (may be null).

23
src/com/verisignlabs/dnssec/security/ByteArrayComparator.java
View File

@ -1,4 +1,4 @@
// $Id: ByteArrayComparator.java,v 1.2 2004/02/25 20:46:14 davidb Exp $
// $Id$
//
// Copyright (C) 2001-2003 VeriSign, Inc.
//
@ -18,16 +18,16 @@
package com.verisignlabs.dnssec.security;
import java.util.*;
import java.util.Comparator;
/** This class implements a basic comparitor for byte arrays. It is
* primarily useful for comparing RDATA portions of DNS records in
* doing DNSSEC canonical ordering.
/**
* This class implements a basic comparitor for byte arrays. It is primarily
* useful for comparing RDATA portions of DNS records in doing DNSSEC
* canonical ordering.
*
* @author David Blacka (original)
* @author $Author: davidb $
* @version $Revision: 1.2 $
* @author $Author$
* @version $Revision$
*/
public class ByteArrayComparator implements Comparator
{
@ -35,7 +35,8 @@ public class ByteArrayComparator implements Comparator
private boolean mDebug = false;
public ByteArrayComparator()
{}
{
}
public ByteArrayComparator(int offset, boolean debug)
{
@ -54,8 +55,8 @@ public class ByteArrayComparator implements Comparator
{
if (mDebug)
{
System.out.println("offset " + i + " differs (this is " +
(i - mOffset) +" bytes in from our offset.)");
System.out.println("offset " + i + " differs (this is "
+ (i - mOffset) + " bytes in from our offset.)");
}
return (b1[i] & 0xFF) - (b2[i] & 0xFF);
}

229
src/com/verisignlabs/dnssec/security/DnsKeyConverter.java
View File

@ -1,4 +1,4 @@
// $Id: DnsKeyConverter.java,v 1.4 2004/02/23 15:06:15 davidb Exp $
// $Id$
//
// Copyright (C) 2001-2003 VeriSign, Inc.
//
@ -18,27 +18,45 @@
package com.verisignlabs.dnssec.security;
import java.io.*;
import java.util.StringTokenizer;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.math.BigInteger;
import java.security.*;
import java.security.spec.*;
import javax.crypto.spec.DHPrivateKeySpec;
import javax.crypto.spec.DHParameterSpec;
import java.security.GeneralSecurityException;
import java.security.KeyFactory;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.interfaces.DSAParams;
import java.security.interfaces.DSAPrivateKey;
import java.security.interfaces.DSAPublicKey;
import java.security.interfaces.RSAPrivateCrtKey;
import java.security.spec.DSAPrivateKeySpec;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.KeySpec;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.RSAPrivateCrtKeySpec;
import java.util.StringTokenizer;
import javax.crypto.interfaces.DHPrivateKey;
import javax.crypto.interfaces.DHPublicKey;
import java.security.interfaces.*;
import javax.crypto.spec.DHParameterSpec;
import javax.crypto.spec.DHPrivateKeySpec;
import org.xbill.DNS.*;
import org.xbill.DNS.DNSKEYRecord;
import org.xbill.DNS.DNSSEC;
import org.xbill.DNS.KEYRecord;
import org.xbill.DNS.Name;
import org.xbill.DNS.security.KEYConverter;
import org.xbill.DNS.utils.base64;
/** This class handles conversions between JCA key formats and DNSSEC
* and BIND9 key formats.
/**
* This class handles conversions between JCA key formats and DNSSEC and BIND9
* key formats.
*
* @author David Blacka (original)
* @author $Author: davidb $ (latest)
* @version $Revision: 1.4 $
* @author $Author$ (latest)
* @version $Revision$
*/
public class DnsKeyConverter
{
@ -58,31 +76,31 @@ public class DnsKeyConverter
return KEYConverter.parseRecord(pKeyRecord);
}
/** Given a JCA public key and the ancillary data, generate a DNSKEY
* record. */
public DNSKEYRecord generateDNSKEYRecord(Name name,
int dclass,
long ttl,
int flags,
int alg,
PublicKey key)
/**
* Given a JCA public key and the ancillary data, generate a DNSKEY record.
*/
public DNSKEYRecord generateDNSKEYRecord(Name name, int dclass, long ttl,
int flags, int alg, PublicKey key)
{
// FIXME: currenty org.xbill.DNS.security.KEYConverter will only
// convert to KEYRecords, and even then, assume that an RSA
// PublicKey means alg 1.
KEYRecord kr = KEYConverter.buildRecord(name, dclass, ttl, flags,
KEYRecord.PROTOCOL_DNSSEC, key);
KEYRecord kr = KEYConverter.buildRecord(name,
dclass,
ttl,
flags,
KEYRecord.PROTOCOL_DNSSEC,
key);
return new DNSKEYRecord(name, dclass, ttl, flags,
DNSKEYRecord.Protocol.DNSSEC, alg,
kr.getKey());
DNSKEYRecord.Protocol.DNSSEC, alg, kr.getKey());
}
// Private Key Specific Parsing routines
/** Convert a PKCS#8 encoded private key into a PrivateKey
* object. */
/**
* Convert a PKCS#8 encoded private key into a PrivateKey object.
*/
public PrivateKey convertEncodedPrivateKey(byte[] key, int algorithm)
{
PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(key);
@ -91,24 +109,24 @@ public class DnsKeyConverter
{
switch (algorithm)
{
case DNSSEC.RSAMD5:
case DNSSEC.RSASHA1:
case DNSSEC.RSAMD5 :
case DNSSEC.RSASHA1 :
return mRSAKeyFactory.generatePrivate(spec);
case DNSSEC.DSA:
case DNSSEC.DSA :
return mDSAKeyFactory.generatePrivate(spec);
}
}
catch (GeneralSecurityException e)
{
}
{}
return null;
}
/** @return a JCA private key, given a BIND9-style textual
* encoding */
public PrivateKey parsePrivateKeyString(String key)
throws IOException, NoSuchAlgorithmException
/**
* @return a JCA private key, given a BIND9-style textual encoding
*/
public PrivateKey parsePrivateKeyString(String key) throws IOException,
NoSuchAlgorithmException
{
StringTokenizer lines = new StringTokenizer(key, "\n");
@ -124,7 +142,7 @@ public class DnsKeyConverter
if (line.startsWith("Private-key-format: "))
{
if (! val.equals("v1.2"))
if (!val.equals("v1.2"))
{
throw new IOException("unsupported private key format: " + val);
}
@ -141,8 +159,10 @@ public class DnsKeyConverter
return null;
}
/** @return the value part of an "attribute:value" pair. The value
* is trimmed. */
/**
* @return the value part of an "attribute:value" pair. The value is
* trimmed.
*/
private String value(String av)
{
if (av == null) return null;
@ -155,30 +175,12 @@ public class DnsKeyConverter
return av.substring(pos + 1).trim();
}
/** prints the bytes of an original byte array and the BigInteger
* copy */
private void printBigIntCompare(byte[] orig, BigInteger copy)
{
byte[] copy_bytes = copy.toByteArray();
for (int i = 0; i < 10 && i < orig.length; i++) {
System.err.print((int) orig[i] & 0xFF);
System.err.print(" ");
}
System.err.println();
for (int i = 0; i < 10 && i < copy_bytes.length; i++) {
System.err.print((int) copy_bytes[i] & 0xFF);
System.err.print(" ");
}
System.err.println();
}
/** Given the rest of the RSA BIND9 string format private key, parse
* and translate into a JCA private key
/**
* Given the rest of the RSA BIND9 string format private key, parse and
* translate into a JCA private key
*
* @throws NoSuchAlgorithmException if the RSA algorithm is not
* available. */
* @throws NoSuchAlgorithmException if the RSA algorithm is not available.
*/
private PrivateKey parsePrivateRSA(StringTokenizer lines)
throws NoSuchAlgorithmException
{
@ -203,26 +205,41 @@ public class DnsKeyConverter
byte[] data = base64.fromString(val);
if (line.startsWith("Modulus: ")) {
if (line.startsWith("Modulus: "))
{
modulus = new BigInteger(1, data);
// printBigIntCompare(data, modulus);
} else if (line.startsWith("PublicExponent: ")) {
}
else if (line.startsWith("PublicExponent: "))
{
public_exponent = new BigInteger(1, data);
// printBigIntCompare(data, public_exponent);
} else if (line.startsWith("PrivateExponent: ")) {
}
else if (line.startsWith("PrivateExponent: "))
{
private_exponent = new BigInteger(1, data);
// printBigIntCompare(data, private_exponent);
} else if (line.startsWith("Prime1: ")) {
}
else if (line.startsWith("Prime1: "))
{
prime_p = new BigInteger(1, data);
// printBigIntCompare(data, prime_p);
} else if (line.startsWith("Prime2: ")) {
}
else if (line.startsWith("Prime2: "))
{
prime_q = new BigInteger(1, data);
// printBigIntCompare(data, prime_q);
} else if (line.startsWith("Exponent1: ")) {
}
else if (line.startsWith("Exponent1: "))
{
prime_p_exponent = new BigInteger(1, data);
} else if (line.startsWith("Exponent2: ")) {
}
else if (line.startsWith("Exponent2: "))
{
prime_q_exponent = new BigInteger(1, data);
} else if (line.startsWith("Coefficient: ")) {
}
else if (line.startsWith("Coefficient: "))
{
coefficient = new BigInteger(1, data);
}
}
@ -230,8 +247,7 @@ public class DnsKeyConverter
try
{
KeySpec spec = new RSAPrivateCrtKeySpec(modulus, public_exponent,
private_exponent, prime_p,
prime_q, prime_p_exponent,
private_exponent, prime_p, prime_q, prime_p_exponent,
prime_q_exponent, coefficient);
if (mRSAKeyFactory == null)
{
@ -246,11 +262,12 @@ public class DnsKeyConverter
}
}
/** Given the remaining lines in a BIND9 style DH private key, parse
* the key info and translate it into a JCA private key.
/**
* Given the remaining lines in a BIND9 style DH private key, parse the key
* info and translate it into a JCA private key.
*
* @throws NoSuchAlgorithmException if the DH algorithm is not
* available. */
* @throws NoSuchAlgorithmException if the DH algorithm is not available.
*/
private PrivateKey parsePrivateDH(StringTokenizer lines)
throws NoSuchAlgorithmException
{
@ -270,11 +287,16 @@ public class DnsKeyConverter
byte[] data = base64.fromString(val);
if (line.startsWith("Prime(p): ")) {
if (line.startsWith("Prime(p): "))
{
p = new BigInteger(1, data);
} else if (line.startsWith("Generator(g): ")) {
}
else if (line.startsWith("Generator(g): "))
{
g = new BigInteger(1, data);
} else if (line.startsWith("Private_value(x): ")) {
}
else if (line.startsWith("Private_value(x): "))
{
x = new BigInteger(1, data);
}
}
@ -295,11 +317,12 @@ public class DnsKeyConverter
}
}
/** Given the remaining lines in a BIND9 style DSA private key,
* parse the key info and translate it into a JCA private key.
/**
* Given the remaining lines in a BIND9 style DSA private key, parse the key
* info and translate it into a JCA private key.
*
* @throws NoSuchAlgorithmException if the DSA algorithm is not
* available. */
* @throws NoSuchAlgorithmException if the DSA algorithm is not available.
*/
private PrivateKey parsePrivateDSA(StringTokenizer lines)
throws NoSuchAlgorithmException
{
@ -320,13 +343,20 @@ public class DnsKeyConverter
byte[] data = base64.fromString(val);
if (line.startsWith("Prime(p): ")) {
if (line.startsWith("Prime(p): "))
{
p = new BigInteger(1, data);
} else if (line.startsWith("Subprime(q): ")) {
}
else if (line.startsWith("Subprime(q): "))
{
q = new BigInteger(1, data);
} else if (line.startsWith("Base(g): ")) {
}
else if (line.startsWith("Base(g): "))
{
g = new BigInteger(1, data);
} else if (line.startsWith("Private_value(x): ")) {
}
else if (line.startsWith("Private_value(x): "))
{
x = new BigInteger(1, data);
}
}
@ -347,8 +377,10 @@ public class DnsKeyConverter
}
}
/** Given a private key and public key, generate the BIND9 style
* private key format. */
/**
* Given a private key and public key, generate the BIND9 style private key
* format.
*/
public String generatePrivateKeyString(PrivateKey priv, PublicKey pub,
int alg)
{
@ -356,13 +388,11 @@ public class DnsKeyConverter
{
return generatePrivateRSA((RSAPrivateCrtKey) priv, alg);
}
else if (priv instanceof DSAPrivateKey &&
pub instanceof DSAPublicKey)
else if (priv instanceof DSAPrivateKey && pub instanceof DSAPublicKey)
{
return generatePrivateDSA((DSAPrivateKey) priv, (DSAPublicKey) pub);
}
else if (priv instanceof DHPrivateKey &&
pub instanceof DHPublicKey)
else if (priv instanceof DHPrivateKey && pub instanceof DHPublicKey)
{
return generatePrivateDH((DHPrivateKey) priv, (DHPublicKey) pub);
}
@ -370,8 +400,9 @@ public class DnsKeyConverter
return null;
}
/** Convert from 'unsigned' big integer to original 'signed format'
* in Base64 */
/**
* Convert from 'unsigned' big integer to original 'signed format' in Base64
*/
private String b64BigInt(BigInteger i)
{
byte[] orig_bytes = i.toByteArray();
@ -387,8 +418,10 @@ public class DnsKeyConverter
return base64.toString(signed_bytes);
}
/** Given a RSA private key (in Crt format), return the BIND9-style
* text encoding. */
/**
* Given a RSA private key (in Crt format), return the BIND9-style text
* encoding.
*/
private String generatePrivateRSA(RSAPrivateCrtKey key, int algorithm)
{
StringWriter sw = new StringWriter();

124
src/com/verisignlabs/dnssec/security/DnsKeyPair.java
View File

@ -1,4 +1,4 @@
// $Id: DnsKeyPair.java,v 1.3 2004/01/16 21:07:09 davidb Exp $
// $Id$
//
// Copyright (C) 2001-2003 VeriSign, Inc.
//
@ -20,67 +20,68 @@ package com.verisignlabs.dnssec.security;
import java.security.*;
import java.security.interfaces.*;
import java.util.logging.Logger;
import org.xbill.DNS.*;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/** This class forms the basis for representing public/private key
* pairs in a DNSSEC context. It is possible to get a JCA public and
* private key from this object, as well as a KEYRecord encoding of
* the public key. This class is implemented as a UNION of all the
* functionality needed for handing native java, BIND, and possibly
* other underlying KEY engines.
/**
* This class forms the basis for representing public/private key pairs in a
* DNSSEC context. It is possible to get a JCA public and private key from
* this object, as well as a DNSKEYRecord encoding of the public key. This
* class is implemented as a UNION of all the functionality needed for handing
* native java, BIND, and possibly other underlying DNSKEY engines.
*
* JCA == Java Cryptography Architecture.
*
* @author David Blacka (orig)
* @author $Author: davidb $ (latest)
* @version $Revision: 1.3 $
* @author $Author$ (latest)
* @version $Revision$
*/
// FIXME: this class is not a generic DnsKeyPair at all. It is really
// a JCEDnsKeyPair. We probably need to reexamine the class design here.
// NOTE: this class is designed to do "lazy" evaluation of it's
// various cached objects and format conversions, so methods should
// avoid direct access to the member variables.
public class DnsKeyPair
{
/** This is the real (base) encoding of the public key. */
protected DNSKEYRecord mPublicKeyRecord;
/** This is a precalcuated cache of the KEYRecord converted into a
* JCA public key. */
/**
* This is a precalcuated cache of the KEYRecord converted into a JCA public
* key.
*/
private PublicKey mPublicKey;
/** The private key in Base64 encoded format. This version is
* presumed to be opaque, so no attempts will be made to convert it
* to a JCA private key. */
/**
* The private key in Base64 encoded format. This version is presumed to be
* opaque, so no attempts will be made to convert it to a JCA private key.
*/
protected String mPrivateKeyString;
/** The private key in JCA format. This is the base encoding for
* instances were JCA private keys are used. */
/**
* The private key in JCA format. This is the base encoding for instances
* were JCA private keys are used.
*/
protected PrivateKey mPrivateKey;
/** The local key converter. */
protected DnsKeyConverter mKeyConverter;
/** a cached Signature used for signing (initialized with the
* private key) */
/**
* a cached Signature used for signing (initialized with the private key)
*/
protected Signature mSigner;
/** a caches Signature used for verifying (intialized with the
* public key) */
/**
* a caches Signature used for verifying (intialized with the public key)
*/
protected Signature mVerifier;
private Log log;
private Logger log;
public DnsKeyPair()
{
log = LogFactory.getLog(this.getClass());
log = Logger.getLogger(this.getClass().toString());
}
public DnsKeyPair(DNSKEYRecord keyRecord, PrivateKey privateKey)
@ -105,8 +106,12 @@ public class DnsKeyPair
this();
DnsKeyConverter conv = new DnsKeyConverter();
DNSKEYRecord keyrec = conv.generateDNSKEYRecord(keyName, DClass.IN, 0, 0,
algorithm, publicKey);
DNSKEYRecord keyrec = conv.generateDNSKEYRecord(keyName,
DClass.IN,
0,
0,
algorithm,
publicKey);
setDNSKEYRecord(keyrec);
setPrivate(privateKey);
}
@ -143,30 +148,31 @@ public class DnsKeyPair
{
switch (getDNSKEYAlgorithm())
{
case DNSSEC.RSAMD5:
case DNSSEC.RSAMD5 :
s = Signature.getInstance("MD5withRSA");
break;
case DNSSEC.DSA:
case DNSSEC.DSA :
s = Signature.getInstance("SHA1withDSA");
break;
case DNSSEC.RSASHA1:
case DNSSEC.RSASHA1 :
s = Signature.getInstance("SHA1withRSA");
break;
case -1:
case -1 :
s = null;
break;
}
}
catch (NoSuchAlgorithmException e)
{
log.error("error getting Signature object", e);
log.severe("error getting Signature object: " + e);
}
return s;
}
/** @return the public key, translated from the KEYRecord, if
* necessary. */
/**
* @return the public key, translated from the KEYRecord, if necessary.
*/
public PublicKey getPublic()
{
if (mPublicKey == null && getDNSKEYRecord() != null)
@ -178,9 +184,9 @@ public class DnsKeyPair
return mPublicKey;
}
/** sets the public key. This method is generally not used
* directly. */
/**
* sets the public key. This method is generally not used directly.
*/
protected void setPublic(PublicKey k)
{
mPublicKey = k;
@ -205,14 +211,16 @@ public class DnsKeyPair
mPrivateKey = k;
}
/** @return the opaque private key string, null if one doesn't
* exist. */
/**
* @return the opaque private key string, null if one doesn't exist.
*/
public String getPrivateKeyString()
{
if (mPrivateKeyString == null && mPrivateKey != null)
{
PublicKey pub = getPublic();
mPrivateKeyString = BINDKeyUtils.convertPrivateKey(mPrivateKey, pub,
mPrivateKeyString = BINDKeyUtils.convertPrivateKey(mPrivateKey,
pub,
getDNSKEYAlgorithm());
}
@ -233,9 +241,11 @@ public class DnsKeyPair
return null;
}
/** Sets the private key from the encoded form (PKCS#8). This
* routine requires that the public key already be assigned.
* Currently it can only handle DSA and RSA keys. */
/**
* Sets the private key from the encoded form (PKCS#8). This routine
* requires that the public key already be assigned. Currently it can only
* handle DSA and RSA keys.
*/
public void setEncodedPrivate(byte[] encoded)
{
int alg = getDNSKEYAlgorithm();
@ -253,8 +263,10 @@ public class DnsKeyPair
return mPublicKeyRecord;
}
/** @return a Signature object initialized for signing, or null if
* this key pair does not have a valid private key. */
/**
* @return a Signature object initialized for signing, or null if this key
* pair does not have a valid private key.
*/
public Signature getSigner()
{
if (mSigner == null)
@ -269,7 +281,7 @@ public class DnsKeyPair
}
catch (InvalidKeyException e)
{
log.error("Signature error", e);
log.severe("Signature error: " + e);
}
}
else
@ -282,8 +294,10 @@ public class DnsKeyPair
return mSigner;
}
/** @return a Signature object initialized for verifying, or null if
* this key pair does not have a valid public key. */
/**
* @return a Signature object initialized for verifying, or null if this key
* pair does not have a valid public key.
*/
public Signature getVerifier()
{
if (mVerifier == null)
@ -296,7 +310,8 @@ public class DnsKeyPair
{
mVerifier.initVerify(pk);
}
catch (InvalidKeyException e) {}
catch (InvalidKeyException e)
{}
}
else
{
@ -316,7 +331,6 @@ public class DnsKeyPair
mPublicKey = null;
}
public Name getDNSKEYName()
{
DNSKEYRecord kr = getDNSKEYRecord();

90
src/com/verisignlabs/dnssec/security/DnsSecVerifier.java
View File

@ -1,4 +1,4 @@
// $Id: DnsSecVerifier.java,v 1.5 2004/02/25 20:46:14 davidb Exp $
// $Id$
//
// Copyright (C) 2001-2003 VeriSign, Inc.
//
@ -19,23 +19,29 @@
package com.verisignlabs.dnssec.security;
import java.util.*;
import java.io.*;
import java.security.*;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.Signature;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Logger;
import org.xbill.DNS.*;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/** A class for performing basic DNSSEC verification. The DNSJAVA
* package contains a similar class. This differs (for the moment,
* anyway) by allowing timing "fudge" factors and logging more
* specifically why an RRset did not validate.
/**
* A class for performing basic DNSSEC verification. The DNSJAVA package
* contains a similar class. This differs (for the moment, anyway) by allowing
* timing "fudge" factors and logging more specifically why an RRset did not
* validate.
*
* @author David Blacka (original)
* @author $Author: davidb $
* @version $Revision: 1.5 $
* @author $Author$
* @version $Revision$
*/
public class DnsSecVerifier implements Verifier
{
@ -85,11 +91,11 @@ public class DnsSecVerifier implements Verifier
// FIXME: this algorithm assumes that name+alg+footprint is
// unique, which isn't necessarily true.
for (Iterator i = l.iterator(); i.hasNext(); )
for (Iterator i = l.iterator(); i.hasNext();)
{
DnsKeyPair p = (DnsKeyPair) i.next();
if (p.getDNSKEYAlgorithm() == algorithm &&
p.getDNSKEYFootprint() == keyid)
if (p.getDNSKEYAlgorithm() == algorithm
&& p.getDNSKEYFootprint() == keyid)
{
return p;
}
@ -103,11 +109,11 @@ public class DnsSecVerifier implements Verifier
private int mExpireFudge = 0;
private boolean mVerifyAllSigs = false;
private Log log;
private Logger log;
public DnsSecVerifier()
{
log = LogFactory.getLog(this.getClass());
log = Logger.getLogger(this.getClass().toString());
mKeyStore = new TrustedKeyStore();
}
@ -155,13 +161,13 @@ public class DnsSecVerifier implements Verifier
// look for the particular key
// FIXME: this assumes that name+alg+footprint is unique.
for (Iterator i = keysets[0].rrs(); i.hasNext(); )
for (Iterator i = keysets[0].rrs(); i.hasNext();)
{
Object o = i.next();
if (! (o instanceof DNSKEYRecord)) continue;
if (!(o instanceof DNSKEYRecord)) continue;
DNSKEYRecord keyrec = (DNSKEYRecord) o;
if (keyrec.getAlgorithm() == algorithm &&
keyrec.getFootprint() == footprint)
if (keyrec.getAlgorithm() == algorithm
&& keyrec.getFootprint() == footprint)
{
return new DnsKeyPair(keyrec, (PrivateKey) null);
}
@ -185,7 +191,7 @@ public class DnsSecVerifier implements Verifier
private byte validateSignature(RRset rrset, RRSIGRecord sigrec)
{
if (rrset == null || sigrec == null) return DNSSEC.Failed;
if (! rrset.getName().equals(sigrec.getName()))
if (!rrset.getName().equals(sigrec.getName()))
{
log.info("Signature name does not match RRset name");
return DNSSEC.Failed;
@ -220,8 +226,8 @@ public class DnsSecVerifier implements Verifier
}
if (now.after(expire))
{
log.info("Signature has expired (now = " + now +
", sig expires = " + expire);
log.info("Signature has expired (now = " + now + ", sig expires = "
+ expire);
return DNSSEC.Failed;
}
}
@ -229,18 +235,21 @@ public class DnsSecVerifier implements Verifier
return DNSSEC.Secure;
}
/** Verify an RRset against a particular signature.
/**
* Verify an RRset against a particular signature.
*
* @return DNSSEC.Secure if the signature verfied, DNSSEC.Failed if
* it did not verify (for any reason), and DNSSEC.Insecure if
* verification could not be completed (usually because the public
* key was not available). */
* @return DNSSEC.Secure if the signature verfied, DNSSEC.Failed if it did
* not verify (for any reason), and DNSSEC.Insecure if verification
* could not be completed (usually because the public key was not
* available).
*/
public byte verifySignature(RRset rrset, RRSIGRecord sigrec, Cache cache)
{
byte result = validateSignature(rrset, sigrec);
if (result != DNSSEC.Secure) return result;
DnsKeyPair keypair = findKey(cache, sigrec.getSigner(),
DnsKeyPair keypair = findKey(cache,
sigrec.getSigner(),
sigrec.getAlgorithm(),
sigrec.getFootprint());
@ -272,29 +281,30 @@ public class DnsSecVerifier implements Verifier
}
catch (IOException e)
{
log.error("I/O error", e);
log.severe("I/O error: " + e);
}
catch (GeneralSecurityException e)
{
log.error("Security error", e);
log.severe("Security error: " + e);
}
log.debug("Signature failed to verify due to exception");
log.fine("Signature failed to verify due to exception");
return DNSSEC.Insecure;
}
/** Verifies an RRset. This routine does not modify the RRset.
/**
* Verifies an RRset. This routine does not modify the RRset.
*
* @return DNSSEC.Secure if the set verified, DNSSEC.Failed if it
* did not, and DNSSEC.Insecure if verification could not
* complete. */
* @return DNSSEC.Secure if the set verified, DNSSEC.Failed if it did not,
* and DNSSEC.Insecure if verification could not complete.
*/
public int verify(RRset rrset, Cache cache)
{
int result = mVerifyAllSigs ? DNSSEC.Secure: DNSSEC.Insecure;
int result = mVerifyAllSigs ? DNSSEC.Secure : DNSSEC.Insecure;
Iterator i = rrset.sigs();
if ( ! i.hasNext())
if (!i.hasNext())
{
log.info("RRset failed to verify due to lack of signatures");
return DNSSEC.Insecure;

199
src/com/verisignlabs/dnssec/security/JCEDnsSecSigner.java
View File

@ -1,4 +1,4 @@
// $Id: JCEDnsSecSigner.java,v 1.3 2004/02/25 20:46:14 davidb Exp $
// $Id$
//
// Copyright (C) 2001-2003 VeriSign, Inc.
//
@ -16,24 +16,41 @@
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
package com.verisignlabs.dnssec.security;
import java.util.*;
import java.io.*;
import java.security.*;
import java.security.interfaces.*;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.Signature;
import java.security.interfaces.DSAPublicKey;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import org.xbill.DNS.*;
import org.xbill.DNS.DNSKEYRecord;
import org.xbill.DNS.DNSSEC;
import org.xbill.DNS.Name;
import org.xbill.DNS.RRSIGRecord;
import org.xbill.DNS.RRset;
import org.xbill.DNS.Record;
import org.xbill.DNS.Type;
/** This class contains routines for signing DNS zones.
/**
* This class contains routines for signing DNS zones.
*
* In particular, it contains both an ability to sign an individual
* RRset and the ability to sign and entire zone. It primarily glues
* together the more basic primitives found in {@link SignUtils}.
* In particular, it contains both an ability to sign an individual RRset and
* the ability to sign and entire zone. It primarily glues together the more
* basic primitives found in {@link SignUtils}.
*
* @author David Blacka (original)
* @author $Author: davidb $
* @version $Revision: 1.3 $
* @author $Author$
* @version $Revision$
*/
public class JCEDnsSecSigner
{
@ -42,8 +59,8 @@ public class JCEDnsSecSigner
private KeyPairGenerator mRSAKeyGenerator;
private KeyPairGenerator mDSAKeyGenerator;
/** Cryptographically generate a new DNSSEC key.
/**
* Cryptographically generate a new DNSSEC key.
*
* @param owner the KEY RR's owner name.
* @param ttl the KEY RR's TTL.
@ -53,13 +70,8 @@ public class JCEDnsSecSigner
* @param keysize the size of the key to generate.
* @return a DnsKeyPair with the public and private keys populated.
*/
public DnsKeyPair generateKey(Name owner,
long ttl,
int dclass,
int algorithm,
int flags,
int keysize)
throws IOException, NoSuchAlgorithmException
public DnsKeyPair generateKey(Name owner, long ttl, int dclass,
int algorithm, int flags, int keysize) throws NoSuchAlgorithmException
{
KeyPair pair;
@ -67,8 +79,8 @@ public class JCEDnsSecSigner
switch (algorithm)
{
case DNSSEC.RSAMD5:
case DNSSEC.RSASHA1:
case DNSSEC.RSAMD5 :
case DNSSEC.RSASHA1 :
if (mRSAKeyGenerator == null)
{
mRSAKeyGenerator = KeyPairGenerator.getInstance("RSA");
@ -76,7 +88,7 @@ public class JCEDnsSecSigner
mRSAKeyGenerator.initialize(keysize);
pair = mRSAKeyGenerator.generateKeyPair();
break;
case DNSSEC.DSA:
case DNSSEC.DSA :
if (mDSAKeyGenerator == null)
{
mDSAKeyGenerator = KeyPairGenerator.getInstance("DSA");
@ -84,7 +96,7 @@ public class JCEDnsSecSigner
mDSAKeyGenerator.initialize(keysize);
pair = mDSAKeyGenerator.generateKeyPair();
break;
default:
default :
throw new NoSuchAlgorithmException("Alg " + algorithm);
}
@ -107,7 +119,8 @@ public class JCEDnsSecSigner
return dnspair;
}
/** Sign an RRset.
/**
* Sign an RRset.
*
* @param rrset the RRset to sign -- any existing signatures are ignored.
* @param keypars a list of DnsKeyPair objects containing private keys.
@ -131,14 +144,17 @@ public class JCEDnsSecSigner
ArrayList sigs = new ArrayList(keypairs.size());
// for each keypair, sign the rrset.
for (Iterator i = keypairs.iterator(); i.hasNext(); )
for (Iterator i = keypairs.iterator(); i.hasNext();)
{
DnsKeyPair pair = (DnsKeyPair) i.next();
DNSKEYRecord keyrec = pair.getDNSKEYRecord();
if (keyrec == null) continue;
RRSIGRecord presig = SignUtils.generatePreRRSIG(rrset, keyrec, start,
expire, rrset.getTTL());
RRSIGRecord presig = SignUtils.generatePreRRSIG(rrset,
keyrec,
start,
expire,
rrset.getTTL());
byte[] sign_data = SignUtils.generateSigData(rrset_data, presig);
Signature signer = pair.getSigner();
@ -146,11 +162,11 @@ public class JCEDnsSecSigner
if (signer == null)
{
// debug
System.out.println("missing private key that goes with:\n" +
pair.getDNSKEYRecord());
throw new GeneralSecurityException
("cannot sign without a valid Signer " +
"(probably missing private key)");
System.out.println("missing private key that goes with:\n"
+ pair.getDNSKEYRecord());
throw new GeneralSecurityException(
"cannot sign without a valid Signer "
+ "(probably missing private key)");
}
// sign the data.
@ -160,8 +176,8 @@ public class JCEDnsSecSigner
// Convert to RFC 2536 format, if necessary.
if (pair.getDNSKEYAlgorithm() == DNSSEC.DSA)
{
sig = SignUtils.convertDSASignature
(((DSAPublicKey)pair.getPublic()).getParams(), sig);
sig = SignUtils.convertDSASignature(((DSAPublicKey) pair.getPublic()).getParams(),
sig);
}
RRSIGRecord sigrec = SignUtils.generateRRSIG(sig, presig);
sigs.add(sigrec);
@ -170,7 +186,8 @@ public class JCEDnsSecSigner
return sigs;
}
/** Create a completely self-signed KEY RRset.
/**
* Create a completely self-signed KEY RRset.
*
* @param keypairs the public & private keypairs to use in the keyset.
* @param start the RRSIG inception time.
@ -184,7 +201,7 @@ public class JCEDnsSecSigner
RRset keyset = new RRset();
for (Iterator i = keypairs.iterator(); i.hasNext(); )
for (Iterator i = keypairs.iterator(); i.hasNext();)
{
DnsKeyPair pair = (DnsKeyPair) i.next();
keyset.addRR(pair.getDNSKEYRecord());
@ -192,7 +209,7 @@ public class JCEDnsSecSigner
List records = signRRset(keyset, keypairs, start, expire);
for (Iterator i = records.iterator(); i.hasNext(); )
for (Iterator i = records.iterator(); i.hasNext();)
{
keyset.addRR((Record) i.next());
}
@ -200,7 +217,8 @@ public class JCEDnsSecSigner
return keyset;
}
/** Conditionally sign an RRset and add it to the toList.
/**
* Conditionally sign an RRset and add it to the toList.
*
* @param toList the list to which we are adding the processed RRsets.
* @param zonename the zone apex name.
@ -209,25 +227,26 @@ public class JCEDnsSecSigner
* @param zonekeypairs the List of zone keys.
* @param start the RRSIG inception time.
* @param expire the RRSIG expiration time.
* @param fullySignKeyset if true, sign the zone apex keyset with
* both KSKs and ZSKs.
* @param fullySignKeyset if true, sign the zone apex keyset with both KSKs
* and ZSKs.
* @param last_cut the name of the last delegation point encountered.
* @return the name of the new last_cut.
*/
private Name addRRset(List toList, Name zonename, RRset rrset,
List keysigningkeypairs, List zonekeypairs,
Date start, Date expire, boolean fullySignKeyset,
Name last_cut)
throws IOException, GeneralSecurityException
List keysigningkeypairs, List zonekeypairs, Date start, Date expire,
boolean fullySignKeyset, Name last_cut) throws IOException,
GeneralSecurityException
{
// add the records themselves
for (Iterator i = rrset.rrs(); i.hasNext(); )
for (Iterator i = rrset.rrs(); i.hasNext();)
{
toList.add(i.next());
}
int type = SignUtils.recordSecType(zonename, rrset.getName(),
rrset.getType(), last_cut);
int type = SignUtils.recordSecType(zonename,
rrset.getName(),
rrset.getType(),
last_cut);
// we don't sign non-normal sets (delegations, glue, invalid).
// we also don't sign the zone key set unless we've been asked.
@ -262,44 +281,37 @@ public class JCEDnsSecSigner
return last_cut;
}
/** Given a zone, sign it.
/**
* Given a zone, sign it.
*
* @param zonename the name of the zone.
* @param records the records comprising the zone. They do not
* have to be in any particular order, as this method will order
* them as necessary.
* @param keysigningkeypairs the key pairs that are designated as
* "key signing keys".
* @param zonekeypair this key pairs that are designated as "zone
* @param records the records comprising the zone. They do not have to be in
* any particular order, as this method will order them as
* necessary.
* @param keysigningkeypairs the key pairs that are designated as "key
* signing keys".
* @param zonekeypair this key pairs that are designated as "zone signing
* keys".
* @param start the RRSIG inception time.
* @param expire the RRSIG expiration time.
* @param useOptIn generate Opt-In style NXT records. It will
* consider any insecure delegation to be unsigned. To override
* this, include the name of the insecure delegation in the
* NXTIncludeNames list.
* @param useConservativeOptIn if true, Opt-In NXT records will
* only be generated if there are insecure, unsigned delegations in
* the span. Not effect if useOptIn is false.
* @param useOptIn generate Opt-In style NXT records. It will consider any
* insecure delegation to be unsigned. To override this, include
* the name of the insecure delegation in the NXTIncludeNames list.
* @param useConservativeOptIn if true, Opt-In NXT records will only be
* generated if there are insecure, unsigned delegations in the
* span. Not effect if useOptIn is false.
* @param fullySignKeyset sign the zone apex keyset with all available keys.
* @param NXTIncludeNames names that are to be included in the NXT
* chain regardless. This may be null and is only used if useOptIn
* is true.
* @param NXTIncludeNames names that are to be included in the NXT chain
* regardless. This may be null and is only used if useOptIn is
* true.
*
* @return an ordered list of {@link org.xbill.DNS.Record} objects,
* representing the signed zone.
*/
public List signZone(Name zonename,
List records,
List keysigningkeypairs,
List zonekeypairs,
Date start,
Date expire,
boolean useOptIn,
boolean useConservativeOptIn,
boolean fullySignKeyset,
List NSECIncludeNames)
throws IOException, GeneralSecurityException
public List signZone(Name zonename, List records, List keysigningkeypairs,
List zonekeypairs, Date start, Date expire, boolean useOptIn,
boolean useConservativeOptIn, boolean fullySignKeyset,
List NSECIncludeNames) throws IOException, GeneralSecurityException
{
// Remove any existing DNSSEC records (NSEC, RRSIG)
@ -316,7 +328,8 @@ public class JCEDnsSecSigner
// Generate NXT records
if (useOptIn)
{
SignUtils.generateOptInNSECRecords(zonename, records,
SignUtils.generateOptInNSECRecords(zonename,
records,
NSECIncludeNames,
useConservativeOptIn);
}
@ -330,10 +343,9 @@ public class JCEDnsSecSigner
ArrayList signed_records = new ArrayList();
Name last_cut = null;
for (ListIterator i = records.listIterator(); i.hasNext(); )
for (ListIterator i = records.listIterator(); i.hasNext();)
{
Record r = (Record) i.next();
Name r_name = r.getName();
// First record
if (rrset.getName() == null)
@ -343,9 +355,9 @@ public class JCEDnsSecSigner
}
// Current record is part of the current RRset.
if (rrset.getName().equals(r.getName()) &&
rrset.getDClass() == r.getDClass() &&
rrset.getType() == r.getType())
if (rrset.getName().equals(r.getName())
&& rrset.getDClass() == r.getDClass()
&& rrset.getType() == r.getType())
{
rrset.addRR(r);
continue;
@ -356,8 +368,14 @@ public class JCEDnsSecSigner
// add the RRset to the list of signed_records, regardless of
// whether or not we actually end up signing the set.
last_cut = addRRset(signed_records, zonename, rrset, keysigningkeypairs,
zonekeypairs, start, expire, fullySignKeyset,
last_cut = addRRset(signed_records,
zonename,
rrset,
keysigningkeypairs,
zonekeypairs,
start,
expire,
fullySignKeyset,
last_cut);
rrset.clear();
@ -365,8 +383,15 @@ public class JCEDnsSecSigner
}
// add the last RR set
addRRset(signed_records, zonename, rrset, keysigningkeypairs, zonekeypairs,
start, expire, fullySignKeyset, last_cut);
addRRset(signed_records,
zonename,
rrset,
keysigningkeypairs,
zonekeypairs,
start,
expire,
fullySignKeyset,
last_cut);
return signed_records;
}

34
src/com/verisignlabs/dnssec/security/RecordComparator.java
View File

@ -1,4 +1,4 @@
// $Id: RecordComparator.java,v 1.2 2004/01/16 17:54:48 davidb Exp $
// $Id$
//
// Copyright (C) 2000-2003 Network Solutions, Inc.
//
@ -19,26 +19,33 @@
package com.verisignlabs.dnssec.security;
import java.util.*;
import java.util.Comparator;
import org.xbill.DNS.*;
import org.xbill.DNS.RRSIGRecord;
import org.xbill.DNS.Record;
import org.xbill.DNS.Type;
/** This class implements a comparison operator for {@link
* org.xbill.DNS.Record} objects. It imposes a canonical order
* consistent with DNSSEC. It does not put records within a RRset
* into canonical order: see {@link ByteArrayComparator}.
/**
* This class implements a comparison operator for {@link
* org.xbill.DNS.Record} objects. It imposes a canonical order consistent with
* DNSSEC. It does not put records within a RRset into canonical order: see
* {@link ByteArrayComparator}.
*
* @author David Blacka (original)
* @author $Author: davidb $
* @version $Revision: 1.2 $ */
* @author $Author$
* @version $Revision$
*/
public class RecordComparator implements Comparator
{
public RecordComparator()
{}
{
}
/** In general, types are compared numerically. However, SOA and NS
* are ordered before the rest. */
/**
* In general, types are compared numerically. However, SOA and NS are
* ordered before the rest.
*/
private int compareTypes(int a, int b)
{
if (a == b) return 0;
@ -53,8 +60,7 @@ public class RecordComparator implements Comparator
return 1;
}
public int compare(Object o1, Object o2)
throws ClassCastException
public int compare(Object o1, Object o2) throws ClassCastException
{
Record a = (Record) o1;
Record b = (Record) o2;

447
src/com/verisignlabs/dnssec/security/SignUtils.java
View File

@ -1,4 +1,4 @@
// $Id: SignUtils.java,v 1.7 2004/03/23 17:53:57 davidb Exp $
// $Id$
//
// Copyright (C) 2001-2003 VeriSign, Inc.
//
@ -19,30 +19,30 @@
package com.verisignlabs.dnssec.security;
import java.util.*;
import java.io.*;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.security.MessageDigest;
import java.security.interfaces.DSAParams;
import java.security.NoSuchAlgorithmException;
import java.security.SignatureException;
import java.security.interfaces.DSAParams;
import java.util.*;
import java.util.logging.Logger;
import org.xbill.DNS.*;
import org.xbill.DNS.utils.base64; // debug only
import org.xbill.DNS.utils.base64;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/** This class contains a bunch of utility methods that are generally
* useful in signing zones.
/**
* This class contains a bunch of utility methods that are generally useful in
* signing zones.
*
* @author David Blacka (original)
* @author $Author: davidb $
* @version $Revision: 1.7 $
* @author $Author$
* @version $Revision$
*/
public class SignUtils
{
private static final int DSA_SIGNATURE_LENGTH = 20;
private static final int ASN1_INT = 0x02;
private static final int ASN1_SEQ = 0x30;
@ -51,80 +51,65 @@ public class SignUtils
public static final int RR_GLUE = 2;
public static final int RR_INVALID = 3;
private static Log log;
private static Logger log;
static {
log = LogFactory.getLog(SignUtils.class);
static
{
log = Logger.getLogger(SignUtils.class.toString());
}
public static void setLog(Log v)
public static void setLog(Logger v)
{
log = v;
}
/** Generate from some basic information a prototype SIG RR
* containing everything but the actual signature itself.
/**
* Generate from some basic information a prototype SIG RR containing
* everything but the actual signature itself.
*
* @param rrset the RRset being signed.
* @param key the public KEY RR counterpart to the key being used
* to sign the RRset
* @param key the public KEY RR counterpart to the key being used to sign
* the RRset
* @param start the SIG inception time.
* @param expire the SIG expiration time.
* @param sig_ttl the TTL of the resulting SIG record.
* @return a prototype signature based on the RRset and key
* information. */
* @return a prototype signature based on the RRset and key information.
*/
public static RRSIGRecord generatePreRRSIG(RRset rrset, DNSKEYRecord key,
Date start, Date expire,
long sig_ttl)
Date start, Date expire, long sig_ttl)
{
return new RRSIGRecord(rrset.getName(),
rrset.getDClass(),
sig_ttl,
rrset.getType(),
key.getAlgorithm(),
(int) rrset.getTTL(),
expire,
start,
key.getFootprint(),
key.getName(),
null);
return new RRSIGRecord(rrset.getName(), rrset.getDClass(), sig_ttl,
rrset.getType(), key.getAlgorithm(), (int) rrset.getTTL(), expire,
start, key.getFootprint(), key.getName(), null);
}
/** Generate from some basic information a prototype SIG RR
* containing everything but the actual signature itself.
/**
* Generate from some basic information a prototype SIG RR containing
* everything but the actual signature itself.
*
* @param rec the DNS record being signed (forming an entire RRset).
* @param key the public KEY RR counterpart to the key signing the
* record.
* @param key the public KEY RR counterpart to the key signing the record.
* @param start the SIG inception time.
* @param expire the SIG expiration time.
* @param sig_ttl the TTL of the result SIG record.
* @return a prototype signature based on the Record and key
* information. */
* @return a prototype signature based on the Record and key information.
*/
public static RRSIGRecord generatePreRRSIG(Record rec, DNSKEYRecord key,
Date start, Date expire,
long sig_ttl)
Date start, Date expire, long sig_ttl)
{
return new RRSIGRecord(rec.getName(),
rec.getDClass(),
sig_ttl,
rec.getType(),
key.getAlgorithm(),
rec.getTTL(),
expire,
start,
key.getFootprint(),
key.getName(),
null);
return new RRSIGRecord(rec.getName(), rec.getDClass(), sig_ttl,
rec.getType(), key.getAlgorithm(), rec.getTTL(), expire, start,
key.getFootprint(), key.getName(), null);
}
/** Generate the binary image of the prototype SIG RR.
/**
* Generate the binary image of the prototype SIG RR.
*
* @param presig the SIG RR prototype.
* @return the RDATA portion of the prototype SIG record. This
* forms the first part of the data to be signed. */
* @return the RDATA portion of the prototype SIG record. This forms the
* first part of the data to be signed.
*/
private static byte[] generatePreSigRdata(RRSIGRecord presig)
throws IOException
{
// Generate the binary image;
DNSOutput image = new DNSOutput();
@ -148,20 +133,21 @@ public class SignUtils
return image.toByteArray();
}
/** Calculate the canonical wire line format of the RRset.
/**
* Calculate the canonical wire line format of the RRset.
*
* @param rrset the RRset to convert.
* @return the canonical wire line format of the rrset. This is
* the second part of data to be signed.*/
* @return the canonical wire line format of the rrset. This is the second
* part of data to be signed.
*/
public static byte[] generateCanonicalRRsetData(RRset rrset)
throws IOException
{
DNSOutput image = new DNSOutput();
// now convert load the wire format records in the RRset into a
// list of byte arrays.
ArrayList canonical_rrs = new ArrayList();
for (Iterator i = rrset.rrs(); i.hasNext(); )
for (Iterator i = rrset.rrs(); i.hasNext();)
{
Record r = (Record) i.next();
byte[] wire_fmt = r.toWireCanonical();
@ -184,7 +170,7 @@ public class SignUtils
Collections.sort(canonical_rrs, bac);
for (Iterator i = canonical_rrs.iterator(); i.hasNext(); )
for (Iterator i = canonical_rrs.iterator(); i.hasNext();)
{
byte[] wire_fmt_rec = (byte[]) i.next();
image.writeByteArray(wire_fmt_rec);
@ -193,8 +179,9 @@ public class SignUtils
return image.toByteArray();
}
/** Given an RRset and the prototype signature, generate the
* canonical data that is to be signed.
/**
* Given an RRset and the prototype signature, generate the canonical data
* that is to be signed.
*
* @param rrset the RRset to be signed.
* @param presig a prototype SIG RR created using the same RRset.
@ -208,13 +195,14 @@ public class SignUtils
return generateSigData(rrset_data, presig);
}
/** Given an RRset and the prototype signature, generate the
* canonical data that is to be signed.
/**
* Given an RRset and the prototype signature, generate the canonical data
* that is to be signed.
*
* @param rrset_data the RRset converted into canonical wire line
* format (as per the canonicalization rules in RFC 2535).
* @param presig the prototype signature based on the same RRset
* represented in <code>rrset_data</code>.
* @param rrset_data the RRset converted into canonical wire line format (as
* per the canonicalization rules in RFC 2535).
* @param presig the prototype signature based on the same RRset represented
* in <code>rrset_data</code>.
* @return a block of data ready to be signed.
*/
public static byte[] generateSigData(byte[] rrset_data, RRSIGRecord presig)
@ -222,8 +210,8 @@ public class SignUtils
{
byte[] sig_rdata = generatePreSigRdata(presig);
ByteArrayOutputStream image
= new ByteArrayOutputStream(sig_rdata.length + rrset_data.length);
ByteArrayOutputStream image = new ByteArrayOutputStream(sig_rdata.length
+ rrset_data.length);
image.write(sig_rdata);
image.write(rrset_data);
@ -231,8 +219,9 @@ public class SignUtils
return image.toByteArray();
}
/** Given the acutal signature an the prototype signature, combine
* them and return the fully formed SIGRecord.
/**
* Given the acutal signature an the prototype signature, combine them and
* return the fully formed SIGRecord.
*
* @param signature the cryptographic signature, in DNSSEC format.
* @param presig the prototype SIG RR to add the signature to.
@ -240,33 +229,29 @@ public class SignUtils
*/
public static RRSIGRecord generateRRSIG(byte[] signature, RRSIGRecord presig)
{
return new RRSIGRecord(presig.getName(),
presig.getDClass(),
presig.getTTL(),
presig.getTypeCovered(),
presig.getAlgorithm(),
presig.getOrigTTL(),
presig.getExpire(),
presig.getTimeSigned(),
presig.getFootprint(),
presig.getSigner(),
signature);
return new RRSIGRecord(presig.getName(), presig.getDClass(),
presig.getTTL(), presig.getTypeCovered(), presig.getAlgorithm(),
presig.getOrigTTL(), presig.getExpire(), presig.getTimeSigned(),
presig.getFootprint(), presig.getSigner(), signature);
}
/** Converts from a RFC 2536 formatted DSA signature to a JCE
* (ASN.1) formatted signature.
/**
* Converts from a RFC 2536 formatted DSA signature to a JCE (ASN.1)
* formatted signature.
*
* <p>ASN.1 format = ASN1_SEQ . seq_length . ASN1_INT . Rlength . R
* . ANS1_INT . Slength . S</p>
* <p>
* ASN.1 format = ASN1_SEQ . seq_length . ASN1_INT . Rlength . R . ANS1_INT .
* Slength . S
* </p>
*
* The integers R and S may have a leading null byte to force the
* integer positive.
* The integers R and S may have a leading null byte to force the integer
* positive.
*
* @param signature the RFC 2536 formatted DSA signature.
* @return The ASN.1 formatted DSA signature.
* @throws SignatureException if there was something wrong with the
* RFC 2536 formatted signature.
**/
* @throws SignatureException if there was something wrong with the RFC 2536
* formatted signature.
*/
public static byte[] convertDSASignature(byte[] signature)
throws SignatureException
{
@ -310,40 +295,42 @@ public class SignUtils
return sig;
}
/** Converts from a JCE (ASN.1) formatted DSA signature to a RFC
* 2536 compliant signature.
/**
* Converts from a JCE (ASN.1) formatted DSA signature to a RFC 2536
* compliant signature.
*
* <p>rfc2536 format = T . R . S</p>
* <p>
* rfc2536 format = T . R . S
* </p>
*
* where T is a number between 0 and 8, which is based on the DSA
* key length, and R & S are formatted to be exactly 20 bytes each
* (no leading null bytes).
* where T is a number between 0 and 8, which is based on the DSA key
* length, and R & S are formatted to be exactly 20 bytes each (no leading
* null bytes).
*
* @param params the DSA parameters associated with the DSA key
* used to generate the signature.
* @param params the DSA parameters associated with the DSA key used to
* generate the signature.
* @param signature the ASN.1 formatted DSA signature.
* @return a RFC 2536 formatted DSA signature.
* @throws SignatureException if something is wrong with the ASN.1
* format.
* @throws SignatureException if something is wrong with the ASN.1 format.
*/
public static byte[] convertDSASignature(DSAParams params, byte[] signature)
throws SignatureException
{
if (signature[0] != ASN1_SEQ || signature[2] != ASN1_INT)
{
throw new SignatureException
("Invalid ASN.1 signature format: expected SEQ, INT");
throw new SignatureException(
"Invalid ASN.1 signature format: expected SEQ, INT");
}
byte r_pad = (byte) (signature[3] - 20);
if (signature[24 + r_pad] != ASN1_INT) {
throw new SignatureException
("Invalid ASN.1 signature format: expected SEQ, INT, INT");
if (signature[24 + r_pad] != ASN1_INT)
{
throw new SignatureException(
"Invalid ASN.1 signature format: expected SEQ, INT, INT");
}
log.trace("(start) ASN.1 DSA Sig:\n" + base64.toString(signature));
log.finer("(start) ASN.1 DSA Sig:\n" + base64.toString(signature));
byte s_pad = (byte) (signature[25 + r_pad] - 20);
@ -361,7 +348,7 @@ public class SignUtils
{
// R is shorter than 20 bytes, so right justify the number
// (r_pad is negative here, remember?).
Arrays.fill(sig, 1 , 1 - r_pad, (byte) 0);
Arrays.fill(sig, 1, 1 - r_pad, (byte) 0);
System.arraycopy(signature, 4, sig, 1 - r_pad, 20 + r_pad);
}
@ -380,49 +367,51 @@ public class SignUtils
if (r_pad < 0 || s_pad < 0)
{
log.trace("(finish ***) RFC 2536 DSA Sig:\n" + base64.toString(sig));
log.finer("(finish ***) RFC 2536 DSA Sig:\n" + base64.toString(sig));
}
else
{
log.trace("(finish) RFC 2536 DSA Sig:\n" + base64.toString(sig));
log.finer("(finish) RFC 2536 DSA Sig:\n" + base64.toString(sig));
}
return sig;
}
/** This is a convenience routine to help us classify records/RRsets.
/**
* This is a convenience routine to help us classify records/RRsets.
*
* It charaterizes a record/RRset as one of the following classes:<br/>
* <dl>
* <dt>NORMAL</dt><dd>This record/set is properly within the zone
* an subject to all NXT and SIG processing.</dd>
* <dt>DELEGATION</dt><dd>This is a zone delegation point (or
* cut). It is used in NXT processing but is not signed.</dd>
* <dt>GLUE</dt><dd>This is a glue record and therefore not
* properly within the zone. It is not included in NXT or SIG
* processing. Normally glue records are A records, but this
* routine calls anything that is below a zone delegation
*
* <dt>NORMAL</dt>
* <dd>This record/set is properly within the zone an subject to all NXT
* and SIG processing.</dd>
*
* <dt>DELEGATION</dt>
* <dd>This is a zone delegation point (or cut). It is used in NXT
* processing but is not signed.</dd>
*
* <dt>GLUE</dt>
* <dd>This is a glue record and therefore not properly within the zone. It
* is not included in NXT or SIG processing. Normally glue records are A
* records, but this routine calls anything that is below a zone delegation
* glue.</dd>
* <dt>INVALID</dt><dd>This record doesn't even belong in the
* zone.</dd>
* </dl><br/>
* This method must be called successively on records in the
* canonical name ordering, and the caller must maintain the
* last_cut parameter.
*
* <dt>INVALID</dt>
* <dd>This record doesn't even belong in the zone.</dd>
*
* </dl>
* <br/>
*
* This method must be called successively on records in the canonical name
* ordering, and the caller must maintain the last_cut parameter.
*
* @param zonename the name of the zone that is being processed.
* @param name the name of the record/set under consideration.
* @param type the type of the record/set under consideration.
* @param last_cut the name of the last DELEGATION record/set that
* was encountered while iterating over the zone in canonical
* order.
* @param last_cut the name of the last DELEGATION record/set that was
* encountered while iterating over the zone in canonical order.
*/
public static int recordSecType(Name zonename, Name name, int type,
Name last_cut)
@ -442,8 +431,8 @@ public class SignUtils
// NS record, then we either a DS record or glue.
if (name.equals(last_cut))
{
if (type == Type.DS || type == Type.NXT ||
type == Type.NSEC) return RR_NORMAL;
if (type == Type.DS || type == Type.NXT || type == Type.NSEC)
return RR_NORMAL;
// actually, this is probably INVALID, but it could be glue.
return RR_GLUE;
}
@ -454,11 +443,12 @@ public class SignUtils
return RR_NORMAL;
}
/** Given a canonical ordered list of records from a single zone,
* order the raw records into a list of RRsets.
/**
* Given a canonical ordered list of records from a single zone, order the
* raw records into a list of RRsets.
*
* @param records a list of {@link org.xbill.DNS.Record} objects,
* in DNSSEC canonical order.
* @param records a list of {@link org.xbill.DNS.Record} objects, in DNSSEC
* canonical order.
* @return a List of {@link org.xbill.DNS.RRset} objects.
*/
public static List assembleIntoRRsets(List records)
@ -466,19 +456,18 @@ public class SignUtils
RRset rrset = new RRset();
ArrayList rrsets = new ArrayList();
for (Iterator i = records.iterator(); i.hasNext(); )
for (Iterator i = records.iterator(); i.hasNext();)
{
Object o = i.next();
if (! (o instanceof Record))
if (!(o instanceof Record))
{
log.warn("assembleIntoRRsets: a non-record object was " +
"encountered and skipped: " + o + " (" + o.getClass() + ")");
log.warning("assembleIntoRRsets: a non-record object was "
+ "encountered and skipped: " + o + " (" + o.getClass() + ")");
continue;
}
Record r = (Record) o;
Name r_name = r.getName();
// First record
if (rrset.getName() == null)
@ -488,11 +477,9 @@ public class SignUtils
}
// Current record is part of the current RRset.
if (rrset.getName().equals(r.getName()) &&
rrset.getDClass() == r.getDClass() &&
((r.getType() == Type.RRSIG &&
rrset.getType() == ((RRSIGRecord)r).getTypeCovered()) ||
rrset.getType() == r.getType()))
if (rrset.getName().equals(r.getName())
&& rrset.getDClass() == r.getDClass()
&& ((r.getType() == Type.RRSIG && rrset.getType() == ((RRSIGRecord) r).getTypeCovered()) || rrset.getType() == r.getType()))
{
rrset.addRR(r);
continue;
@ -512,9 +499,9 @@ public class SignUtils
return rrsets;
}
/** A little private class to hold information about a given
* node. */
/**
* A little private class to hold information about a given node.
*/
private static class NodeInfo
{
public Name name;
@ -537,6 +524,7 @@ public class SignUtils
this.hasOptInSpan = false;
addType(type);
}
public void addType(int type)
{
this.typemap.add(new Integer(type));
@ -547,6 +535,7 @@ public class SignUtils
isSecureNode = true;
}
}
public String toString()
{
StringBuffer sb = new StringBuffer(name.toString());
@ -568,16 +557,17 @@ public class SignUtils
}
}
/** Given a canonical (by name) ordered list of records in a zone,
* generate the NXT records in place.
/**
* Given a canonical (by name) ordered list of records in a zone, generate
* the NXT records in place.
*
* Note that the list that the records are stored in must support
* the listIterator.add() operation.
* Note that the list that the records are stored in must support the
* listIterator.add() operation.
*
* @param zonename the name of the zone (used to distinguish
* between zone apex NS RRsets and delegations).
* @param records a list of {@link org.xbill.DNS.Record} objects in
* DNSSEC canonical order.
* @param zonename the name of the zone (used to distinguish between zone
* apex NS RRsets and delegations).
* @param records a list of {@link org.xbill.DNS.Record} objects in DNSSEC
* canonical order.
*/
public static void generateNSECRecords(Name zonename, List records)
{
@ -589,7 +579,7 @@ public class SignUtils
Name last_cut = null;
int backup;
for (ListIterator i = records.listIterator(); i.hasNext(); )
for (ListIterator i = records.listIterator(); i.hasNext();)
{
Record r = (Record) i.next();
Name r_name = r.getName();
@ -621,17 +611,18 @@ public class SignUtils
if (last_node != null)
{
NSECRecord nsec = new NSECRecord(last_node.name, last_node.dclass,
last_node.ttl, current_node.name,
last_node.getTypes());
last_node.ttl, current_node.name, last_node.getTypes());
// Note: we have to add this through the iterator, otherwise
// the next access via the iterator will generate a
// ConcurrencyModificationException.
backup = i.nextIndex() - last_node.nsecIndex;
for (int j = 0; j < backup; j++) i.previous();
for (int j = 0; j < backup; j++)
i.previous();
i.add(nsec);
for (int j = 0; j < backup; j++) i.next();
for (int j = 0; j < backup; j++)
i.next();
log.trace("Generated: " + nsec);
log.finer("Generated: " + nsec);
}
last_node = current_node;
@ -646,42 +637,37 @@ public class SignUtils
if (last_node != null)
{
NSECRecord nsec = new NSECRecord(last_node.name, last_node.dclass,
last_node.ttl, current_node.name,
last_node.getTypes());
last_node.ttl, current_node.name, last_node.getTypes());
records.add(last_node.nsecIndex - 1, nsec);
log.trace("Generated: " + nsec);
log.finer("Generated: " + nsec);
}
// Generate last NSEC
NSECRecord nsec = new NSECRecord(current_node.name, current_node.dclass,
current_node.ttl, zonename,
current_node.getTypes());
current_node.ttl, zonename, current_node.getTypes());
records.add(nsec);
log.trace("Generated: " + nsec);
log.finer("Generated: " + nsec);
}
/** Given a canonical (by name) ordered list of records in a zone,
* generate the NXT records in place.
/**
* Given a canonical (by name) ordered list of records in a zone, generate
* the NXT records in place.
*
* Note thatthe list that the records are stored in must support
* the <code>listIterator.add</code> operation.
* Note thatthe list that the records are stored in must support the
* <code>listIterator.add</code> operation.
*
* @param zonename the name of the zone apex, used to distinguish
* between authoritative and delegation NS RRsets.
* @param zonename the name of the zone apex, used to distinguish between
* authoritative and delegation NS RRsets.
* @param records a list of {@link org.xbill.DNS.Record}s in DNSSEC
* canonical order.
* @param includeNames a list of names that should be in the NXT
* chain regardless. This may be null.
* @param beConservative if true, then Opt-In NXTs will only be
* generated where there is actually a span of insecure
* delegations.
* @param includeNames a list of names that should be in the NXT chain
* regardless. This may be null.
* @param beConservative if true, then Opt-In NXTs will only be generated
* where there is actually a span of insecure delegations.
*/
public static void generateOptInNSECRecords(Name zonename,
List records,
List includeNames,
boolean beConservative)
public static void generateOptInNSECRecords(Name zonename, List records,
List includeNames, boolean beConservative)
{
// This works by iterating over a known sorted list of records.
@ -697,7 +683,7 @@ public class SignUtils
includeSet = new HashSet(includeNames);
}
for (ListIterator i = records.listIterator(); i.hasNext(); )
for (ListIterator i = records.listIterator(); i.hasNext();)
{
Record r = (Record) i.next();
Name r_name = r.getName();
@ -740,17 +726,18 @@ public class SignUtils
last_node.addType(Type.NSEC);
}
NSECRecord nsec = new NSECRecord(last_node.name, last_node.dclass,
last_node.ttl, current_node.name,
last_node.getTypes());
last_node.ttl, current_node.name, last_node.getTypes());
// Note: we have to add this through the iterator, otherwise
// the next access via the iterator will generate a
// ConcurrencyModificationException.
backup = i.nextIndex() - last_node.nsecIndex;
for (int j = 0; j < backup; j++) i.previous();
for (int j = 0; j < backup; j++)
i.previous();
i.add(nsec);
for (int j = 0; j < backup; j++) i.next();
for (int j = 0; j < backup; j++)
i.next();
log.trace("Generated: " + nsec);
log.finer("Generated: " + nsec);
}
if (current_node.isSecureNode)
@ -779,10 +766,9 @@ public class SignUtils
last_node.addType(Type.NSEC);
}
NSECRecord nsec = new NSECRecord(last_node.name, last_node.dclass,
last_node.ttl, current_node.name,
last_node.getTypes());
last_node.ttl, current_node.name, last_node.getTypes());
records.add(last_node.nsecIndex - 1, nsec);
log.trace("Generated: " + nsec);
log.finer("Generated: " + nsec);
}
// Generate last NSEC
@ -794,8 +780,7 @@ public class SignUtils
current_node.addType(Type.NSEC);
}
nsec = new NSECRecord(current_node.name, current_node.dclass,
current_node.ttl, zonename,
current_node.getTypes());
current_node.ttl, zonename, current_node.getTypes());
// we can just tack this on the end as we are working on the
// last node.
records.add(nsec);
@ -809,22 +794,21 @@ public class SignUtils
records.add(last_node.nsecIndex, nsec);
}
log.trace("Generated: " + nsec);
log.finer("Generated: " + nsec);
}
/** Given a zone with DNSKEY records at delegation points, convert
* those KEY records into their corresponding DS records in place.
/**
* Given a zone with DNSKEY records at delegation points, convert those KEY
* records into their corresponding DS records in place.
*
* @param zonename the name of the zone, used to reliably
* distinguish the zone apex from other records.
* @param zonename the name of the zone, used to reliably distinguish the
* zone apex from other records.
* @param records a list of {@link org.xbill.DNS.Record} objects.
*/
public static void generateDSRecords(Name zonename, List records)
throws IOException
{
for (ListIterator i = records.listIterator(); i.hasNext(); )
for (ListIterator i = records.listIterator(); i.hasNext();)
{
Record r = (Record) i.next();
if (r == null) continue; // this should never be true.
@ -842,36 +826,37 @@ public class SignUtils
}
}
/** Given a zone, remove all records that are generated.
/**
* Given a zone, remove all records that are generated.
*
* @param zonename the name of the zone.
* @param records a list of {@link org.xbill.DNS.Record} objects.
*/
public static void removeGeneratedRecords(Name zonename, List records)
{
for (Iterator i = records.iterator(); i.hasNext(); )
for (Iterator i = records.iterator(); i.hasNext();)
{
Record r = (Record) i.next();
if (r.getType() == Type.RRSIG ||
r.getType() == Type.NSEC)
if (r.getType() == Type.RRSIG || r.getType() == Type.NSEC)
{
i.remove();
}
}
}
/** Remove duplicate records from a list of records. This routine
* presumes the list of records is in a canonical sorted order, at
* least on name and RR type.
/**
* Remove duplicate records from a list of records. This routine presumes
* the list of records is in a canonical sorted order, at least on name and
* RR type.
*
* @param records a list of {@link org.xbill.DNS.Record} object, in
* sorted order.
* @param records a list of {@link org.xbill.DNS.Record} object, in sorted
* order.
*/
public static void removeDuplicateRecords(List records)
{
Record lastrec = null;
for (Iterator i = records.iterator(); i.hasNext(); )
for (Iterator i = records.iterator(); i.hasNext();)
{
Record r = (Record) i.next();
if (lastrec == null)
@ -888,15 +873,15 @@ public class SignUtils
}
}
/** Given a DNSKEY record, generate the DS record from it.
/**
* Given a DNSKEY record, generate the DS record from it.
*
* @param keyrec the KEY record in question.
* @param ttl the desired TTL for the generated DS record. If
* zero, or negative, the original KEY RR's TTL will be used.
* @param ttl the desired TTL for the generated DS record. If zero, or
* negative, the original KEY RR's TTL will be used.
* @return the corresponding {@link org.xbill.DNS.DSRecord}
*/
public static DSRecord calculateDSRecord(DNSKEYRecord keyrec, long ttl)
throws IOException
{
if (keyrec == null) return null;
@ -920,7 +905,7 @@ public class SignUtils
}
catch (NoSuchAlgorithmException e)
{
log.error("", e);
log.severe(e.toString());
return null;
}
}

34
src/com/verisignlabs/dnssec/security/TypeMap.java
View File

@ -1,17 +1,21 @@
// $Id: TypeMap.java,v 1.5 2004/03/23 17:53:57 davidb Exp $
// $Id$
//
// Copyright (C) 2004 Verisign, Inc.
package com.verisignlabs.dnssec.security;
import java.util.*;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import org.xbill.DNS.Type;
import org.xbill.DNS.DNSOutput;
import org.xbill.DNS.Type;
/** This class represents the multiple type maps of the NSEC
* record. Currently it is just used to convert the wire format type
* map to the int array that org.xbill.DNS.NSECRecord uses. */
/**
* This class represents the multiple type maps of the NSEC record. Currently
* it is just used to convert the wire format type map to the int array that
* org.xbill.DNS.NSECRecord uses.
*/
public class TypeMap
{
@ -42,7 +46,6 @@ public class TypeMap
return typeSet.contains(new Integer(type));
}
public static TypeMap fromTypes(int[] types)
{
TypeMap m = new TypeMap();
@ -54,8 +57,10 @@ public class TypeMap
return m;
}
/** Given an array of bytes representing a wire-format type map,
* construct the TypeMap object. */
/**
* Given an array of bytes representing a wire-format type map, construct
* the TypeMap object.
*/
public static TypeMap fromBytes(byte[] map)
{
int m = 0;
@ -73,7 +78,7 @@ public class TypeMap
{
for (int j = 0; j < 8; j++)
{
if ( (map[m + i] & (1 << (7 - j))) != 0 )
if ((map[m + i] & (1 << (7 - j))) != 0)
{
typemap.set(map_number * 8 + j);
}
@ -102,8 +107,8 @@ public class TypeMap
return sb.toString();
}
protected static void mapToWire(DNSOutput out, int[] types,
int base, int start, int end)
protected static void mapToWire(DNSOutput out, int[] types, int base,
int start, int end)
{
// calculate the length of this map by looking at the largest
// typecode in this section.
@ -121,7 +126,7 @@ public class TypeMap
// for each type in our sub-array, set its corresponding bit in the map.
for (int i = start; i < end; i++)
{
map[ (types[i] & 0xFF) / 8 ] |= ( 1 << (7 - types[i] % 8) );
map[(types[i] & 0xFF) / 8] |= (1 << (7 - types[i] % 8));
}
// write out the resulting binary bitmap.
for (int i = 0; i < map.length; i++)
@ -162,7 +167,8 @@ public class TypeMap
Integer[] a = (Integer[]) typeSet.toArray(integerArray);
int[] res = new int[a.length];
for (int i = 0; i < res.length; i++) {
for (int i = 0; i < res.length; i++)
{
res[i] = a[i].intValue();
}

71
src/com/verisignlabs/dnssec/security/ZoneUtils.java
View File

@ -1,4 +1,4 @@
// $Id: ZoneUtils.java,v 1.3 2004/01/15 17:32:18 davidb Exp $
// $Id$
//
// Copyright (C) 2003 VeriSign, Inc.
//
@ -19,41 +19,40 @@
package com.verisignlabs.dnssec.security;
import java.util.*;
import java.io.*;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.xbill.DNS.*;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.xbill.DNS.Master;
import org.xbill.DNS.Name;
import org.xbill.DNS.RRset;
import org.xbill.DNS.Record;
import org.xbill.DNS.Type;
/** This class contains a bunch of utility methods that are generally
* useful in manipulating zones.
/**
* This class contains a bunch of utility methods that are generally useful in
* manipulating zones.
*
* @author David Blacka (original)
* @author $Author: davidb $
* @version $Revision: 1.3 $
* @author $Author$
* @version $Revision$
*/
public class ZoneUtils
{
private static Log log;
static {
log = LogFactory.getLog(ZoneUtils.class);
}
/** Load a zone file.
/**
* Load a zone file.
*
* @param zonefile the filename/path of the zonefile to read.
* @param origin the origin to use for the zonefile (may be null if
* the origin is specified in the zone file itself).
* @return a {@link java.util.List} of {@link org.xbill.DNS.Record}
* objects.
* @throws IOException if something goes wrong reading the zone
* file.
* @param origin the origin to use for the zonefile (may be null if the
* origin is specified in the zone file itself).
* @return a {@link java.util.List} of {@link org.xbill.DNS.Record} objects.
* @throws IOException if something goes wrong reading the zone file.
*/
public static List readZoneFile(String zonefile, Name origin)
throws IOException
@ -63,7 +62,7 @@ public class ZoneUtils
Record r = null;
while ( (r = m.nextRecord()) != null )
while ((r = m.nextRecord()) != null)
{
records.add(r);
}
@ -71,12 +70,13 @@ public class ZoneUtils
return records;
}
/** Write the records out into a zone file.
/**
* Write the records out into a zone file.
*
* @param records a {@link java.util.List} of {@link
* org.xbill.DNS.Record} objects forming a zone.
* @param zonefile the file to write to. If null or equal to "-",
* System.out is used.
* @param records a {@link java.util.List} of {@link org.xbill.DNS.Record}
* objects forming a zone.
* @param zonefile the file to write to. If null or equal to "-", System.out
* is used.
*/
public static void writeZoneFile(List records, String zonefile)
throws IOException
@ -92,8 +92,7 @@ public class ZoneUtils
out = new PrintWriter(new BufferedWriter(new FileWriter(zonefile)));
}
for (Iterator i = records.iterator(); i.hasNext(); )
for (Iterator i = records.iterator(); i.hasNext();)
{
out.println(i.next());
}
@ -101,8 +100,8 @@ public class ZoneUtils
out.close();
}
/** Given just the list of records, determine the zone name
* (origin).
/**
* Given just the list of records, determine the zone name (origin).
*
* @param records a list of {@link org.xbill.DNS.Record} or {@link
* org.xbill.DNS.RRset} objects.
@ -110,7 +109,7 @@ public class ZoneUtils
*/
public static Name findZoneName(List records)
{
for (Iterator i = records.iterator(); i.hasNext(); )
for (Iterator i = records.iterator(); i.hasNext();)
{
int type = 0;
Name n = null;