// --- BEGIN COPYRIGHT BLOCK --- // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; version 2 of the License. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License along // with this program; if not, write to the Free Software Foundation, Inc., // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. // // (C) 2007 Red Hat, Inc. // All rights reserved. // --- END COPYRIGHT BLOCK --- package netscape.security.x509; import java.io.IOException; import java.util.Enumeration; import java.util.Vector; import netscape.security.util.BitArray; import netscape.security.util.DerInputStream; import netscape.security.util.DerOutputStream; import netscape.security.util.DerValue; /** * Represent the CRL Reason Flags. * *
* This extension, if present, defines the identifies the reason for the certificate revocation.
*
* @author Hemma Prafullchandra
* @version 1.3
* @see Extension
* @see CertAttrSet
*/
public class ReasonFlags {
/**
* Reasons
*/
public static final String UNUSED = "unused";
public static final String KEY_COMPROMISE = "key_compromise";
public static final String CA_COMPROMISE = "ca_compromise";
public static final String AFFLIATION_CHANGED = "affliation_changed";
public static final String SUPERSEDED = "superseded";
public static final String CESSATION_OF_OPERATION = "cessation_of_operation";
public static final String CERTIFICATION_HOLD = "certification_hold";
public static final String PRIVILEGE_WITHDRAWN = "privilege_withdrawn";
public static final String AA_COMPROMISE = "aa_compromise";
// Private data members
private boolean[] bitString;
/**
* Check if bit is set.
*
* @param position the position in the bit string to check.
*/
private boolean isSet(int position) {
return bitString[position];
}
/**
* Set the bit at the specified position.
*/
private void set(int position, boolean val) {
// enlarge bitString if necessary
if (position >= bitString.length) {
boolean[] tmp = new boolean[position + 1];
System.arraycopy(bitString, 0, tmp, 0, bitString.length);
bitString = tmp;
}
bitString[position] = val;
}
/**
* Create a ReasonFlags with the passed bit settings.
*
* @param reasons the bits to be set for the ReasonFlags.
*/
public ReasonFlags(byte[] reasons) {
bitString = new BitArray(reasons.length * 8, reasons).toBooleanArray();
}
/**
* Create a ReasonFlags with the passed bit settings.
*
* @param reasons the bits to be set for the ReasonFlags.
*/
public ReasonFlags(boolean[] reasons) {
this.bitString = reasons;
}
/**
* Create a ReasonFlags with the passed bit settings.
*
* @param reasons the bits to be set for the ReasonFlags.
*/
public ReasonFlags(BitArray reasons) {
this.bitString = reasons.toBooleanArray();
}
/**
* Create the object from the passed DER encoded value.
*
* @param in the DerInputStream to read the ReasonFlags from.
* @exception IOException on decoding errors.
*/
public ReasonFlags(DerInputStream in) throws IOException {
DerValue derVal = in.getDerValue();
this.bitString = derVal.getUnalignedBitString(true).toBooleanArray();
}
/**
* Create the object from the passed DER encoded value.
*
* @param derVal the DerValue decoded from the stream.
* @exception IOException on decoding errors.
*/
public ReasonFlags(DerValue derVal) throws IOException {
this.bitString = derVal.getUnalignedBitString(true).toBooleanArray();
}
/**
* Set the attribute value.
*/
public void set(String name, Object obj) throws IOException {
if (!(obj instanceof Boolean)) {
throw new IOException("Attribute must be of type Boolean.");
}
boolean val = ((Boolean) obj).booleanValue();
if (name.equalsIgnoreCase(UNUSED)) {
set(0, val);
} else if (name.equalsIgnoreCase(KEY_COMPROMISE)) {
set(1, val);
} else if (name.equalsIgnoreCase(CA_COMPROMISE)) {
set(2, val);
} else if (name.equalsIgnoreCase(AFFLIATION_CHANGED)) {
set(3, val);
} else if (name.equalsIgnoreCase(SUPERSEDED)) {
set(4, val);
} else if (name.equalsIgnoreCase(CESSATION_OF_OPERATION)) {
set(5, val);
} else if (name.equalsIgnoreCase(CERTIFICATION_HOLD)) {
set(6, val);
} else if (name.equalsIgnoreCase(PRIVILEGE_WITHDRAWN)) {
set(7, val);
} else if (name.equalsIgnoreCase(AA_COMPROMISE)) {
set(8, val);
} else {
throw new IOException("Name not recognized by ReasonFlags");
}
}
/**
* Get the attribute value.
*/
public Object get(String name) throws IOException {
if (name.equalsIgnoreCase(UNUSED)) {
return Boolean.valueOf(isSet(0));
} else if (name.equalsIgnoreCase(KEY_COMPROMISE)) {
return Boolean.valueOf(isSet(1));
} else if (name.equalsIgnoreCase(CA_COMPROMISE)) {
return Boolean.valueOf(isSet(2));
} else if (name.equalsIgnoreCase(AFFLIATION_CHANGED)) {
return Boolean.valueOf(isSet(3));
} else if (name.equalsIgnoreCase(SUPERSEDED)) {
return Boolean.valueOf(isSet(4));
} else if (name.equalsIgnoreCase(CESSATION_OF_OPERATION)) {
return Boolean.valueOf(isSet(5));
} else if (name.equalsIgnoreCase(CERTIFICATION_HOLD)) {
return Boolean.valueOf(isSet(6));
} else if (name.equalsIgnoreCase(PRIVILEGE_WITHDRAWN)) {
return Boolean.valueOf(isSet(7));
} else if (name.equalsIgnoreCase(AA_COMPROMISE)) {
return Boolean.valueOf(isSet(8));
} else {
throw new IOException("Name not recognized by ReasonFlags");
}
}
/**
* Delete the attribute value.
*/
public void delete(String name) throws IOException {
if (name.equalsIgnoreCase(UNUSED)) {
set(0, false);
} else if (name.equalsIgnoreCase(KEY_COMPROMISE)) {
set(1, false);
} else if (name.equalsIgnoreCase(CA_COMPROMISE)) {
set(2, false);
} else if (name.equalsIgnoreCase(AFFLIATION_CHANGED)) {
set(3, false);
} else if (name.equalsIgnoreCase(SUPERSEDED)) {
set(4, false);
} else if (name.equalsIgnoreCase(CESSATION_OF_OPERATION)) {
set(5, false);
} else if (name.equalsIgnoreCase(CERTIFICATION_HOLD)) {
set(6, false);
} else if (name.equalsIgnoreCase(PRIVILEGE_WITHDRAWN)) {
set(7, false);
} else if (name.equalsIgnoreCase(AA_COMPROMISE)) {
set(8, false);
} else {
throw new IOException("Name not recognized by ReasonFlags");
}
}
/**
* Returns a printable representation of the ReasonFlags.
*/
public String toString() {
String s = super.toString() + "Reason Flags [\n";
try {
if (isSet(0)) {
s += " Unused\n";
}
if (isSet(1)) {
s += " Key Compromise\n";
}
if (isSet(2)) {
s += " CA_Compromise\n";
}
if (isSet(3)) {
s += " Affiliation_Changed\n";
}
if (isSet(4)) {
s += " Superseded\n";
}
if (isSet(5)) {
s += " Cessation Of Operation\n";
}
if (isSet(6)) {
s += " Certificate Hold\n";
}
if (isSet(7)) {
s += " Privilege Withdrawn\n";
}
if (isSet(8)) {
s += " AA Compromise\n";
}
} catch (ArrayIndexOutOfBoundsException ex) {
}
s += "]\n";
return (s);
}
/**
* Write the extension to the DerOutputStream.
*
* @param out the DerOutputStream to write the extension to.
* @exception IOException on encoding errors.
*/
public void encode(DerOutputStream out) throws IOException {
out.putUnalignedBitString(new BitArray(this.bitString));
}
/**
* Return an enumeration of names of attributes existing within this
* attribute.
*/
public Enumeration