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Diffstat (limited to 'gnu/javax/net/ssl/provider/CertificateStatusRequest.java')
| -rw-r--r-- | gnu/javax/net/ssl/provider/CertificateStatusRequest.java | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/gnu/javax/net/ssl/provider/CertificateStatusRequest.java b/gnu/javax/net/ssl/provider/CertificateStatusRequest.java new file mode 100644 index 000000000..059c6ec47 --- /dev/null +++ b/gnu/javax/net/ssl/provider/CertificateStatusRequest.java @@ -0,0 +1,272 @@ +/* CertificateStatusRequest.java -- + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is a part of GNU Classpath. + +GNU Classpath 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; either version 2 of the License, or (at +your option) any later version. + +GNU Classpath 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 GNU Classpath; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 +USA + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.javax.net.ssl.provider; + +import gnu.javax.net.ssl.provider.Extension.Value; + +import java.io.PrintWriter; +import java.io.StringWriter; +import java.nio.ByteBuffer; +import java.util.Iterator; +import java.util.List; +import java.util.NoSuchElementException; + +/** + * <pre> +struct { + CertificateStatusType status_type; + select (status_type) { + case ocsp: OCSPStatusRequest; + } request; +} CertificateStatusRequest; + +enum { ocsp(1), (255) } CertificateStatusType; + +struct { + ResponderID responder_id_list<0..2^16-1>; + Extensions request_extensions; +} OCSPStatusRequest; + +opaque ResponderID<1..2^16-1>; +opaque Extensions<0..2^16-1>;</pre> + * + * @author csm + */ +public class CertificateStatusRequest extends Value implements Iterable<byte[]> +{ + private ByteBuffer buffer; + + public CertificateStatusRequest(final ByteBuffer buffer) + { + this.buffer = buffer; + } + + public CertificateStatusRequest(CertificateStatusType type, + List<byte[]> responderIdList, + byte[] requestExtensions) + { + if (type != CertificateStatusType.OCSP) + throw new IllegalArgumentException(); + int length = 3; + int idsLength = 0; + for (byte[] responderId : responderIdList) + { + length += 2 + responderId.length; + idsLength += 2 + responderId.length; + } + length += 2 + requestExtensions.length; + buffer = ByteBuffer.allocate(length); + buffer.put((byte) 1); + buffer.putShort((short) idsLength); + for (byte[] responderId : responderIdList) + buffer.putShort((short) responderId.length).put(responderId); + buffer.putShort((short) requestExtensions.length); + buffer.put(requestExtensions); + buffer.rewind(); + } + + public int length() + { + int l = 3 + (buffer.getShort(1) & 0xFFFF); + return l + (buffer.getShort(l) & 0xFFFF) + 2; + } + + public ByteBuffer buffer() + { + return (ByteBuffer) buffer.duplicate().limit(length()); + } + + public CertificateStatusType statusType() + { + int x = buffer.get(0) & 0xFF; + if (x == 1) + return CertificateStatusType.OCSP; + throw new IllegalArgumentException ("invalid type: " + x); + } + + public int size() + { + int len = buffer.getShort(1) & 0xFFFF; + int n = 0; + for (int i = 3; i < len; ) + { + int l = buffer.getShort(i); + i += l + 2; + n++; + } + return n; + } + + public byte[] responderId(int index) + { + int len = buffer.getShort(1) & 0xFFFF; + int n = 0; + int i = 3; + while (i < len && n <= index) + { + int l = buffer.getShort(i) & 0xFFFF; + if (n == index) + { + byte[] b = new byte[l]; + ((ByteBuffer) buffer.duplicate().position(i+2)).get(b); + return b; + } + i += l + 2; + n++; + } + throw new IndexOutOfBoundsException(); + } + + public byte[] requestExtensions() + { + int l = 2 + (buffer.getShort(0) & 0xFFFF); + int ll = buffer.getShort(l) & 0xFFFF; + byte[] b = new byte[ll]; + ((ByteBuffer) buffer.duplicate().position(ll+2)).get(b); + return b; + } + + public void setStatusType(CertificateStatusType type) + { + buffer.put(0, (byte) type.value); + } + + public void setRequestIdListLength(int newLength) + { + if (newLength < 0 || newLength > 0xFFFF) + throw new IllegalArgumentException("length out of range"); + buffer.putShort(1, (short) newLength); + } + + public void putRequestId(int index, byte[] id) + { + if (id.length > 0xFFFF) + throw new IllegalArgumentException("request ID too large"); + int len = buffer.getShort(1) & 0xFFFF; + int n = 0; + int i = 3; + while (i < len && n < index) + { + int l = buffer.getShort(i) & 0xFFFF; + i += l + 2; + n++; + } + if (n < index) + throw new IndexOutOfBoundsException(); + buffer.putShort(i, (short) id.length); + ((ByteBuffer) buffer.duplicate().position(i)).put(id); + } + + public void setRequestExtensions(int index, byte[] ext) + { + if (ext.length > 0xFFFF) + throw new IllegalArgumentException("exceptions too large"); + int off = 3 + (buffer.getShort(1) & 0xFFFF); + buffer.putShort(off, (short) ext.length); + ((ByteBuffer) buffer.duplicate().position(off+2)).put(ext); + } + + public Iterator<byte[]> iterator() + { + return new ResponderIdIterator(); + } + + public String toString() + { + return toString(null); + } + + public String toString(String prefix) + { + StringWriter str = new StringWriter(); + PrintWriter out = new PrintWriter(str); + if (prefix != null) out.print(prefix); + out.println("struct {"); + if (prefix != null) out.print(prefix); + out.print(" status_type = "); + out.print(statusType()); + out.println(";"); + String subprefix = " "; + if (prefix != null) subprefix = prefix + subprefix; + if (prefix != null) out.print(prefix); + out.println(" responder_id_list = {"); + for (byte[] b : this) + out.print(Util.hexDump(b, subprefix)); + if (prefix != null) out.print(prefix); + out.println(" };"); + if (prefix != null) out.print(prefix); + out.println(" request_extensions ="); + out.print(Util.hexDump(requestExtensions(), subprefix)); + if (prefix != null) out.print(prefix); + out.print("} CertificateStatus;"); + return str.toString(); + } + + public class ResponderIdIterator implements Iterator<byte[]> + { + private int index; + + public ResponderIdIterator() + { + index = 0; + } + + public byte[] next() throws NoSuchElementException + { + try + { + return responderId(index++); + } + catch (IndexOutOfBoundsException ioobe) + { + throw new NoSuchElementException(); + } + } + + public boolean hasNext() + { + return index < size(); + } + + public void remove() + { + throw new UnsupportedOperationException(); + } + } +} |