diff options
Diffstat (limited to 'lib/src/main/java/com/trilead/ssh2/packets/TypesWriter.java')
-rw-r--r-- | lib/src/main/java/com/trilead/ssh2/packets/TypesWriter.java | 338 |
1 files changed, 169 insertions, 169 deletions
diff --git a/lib/src/main/java/com/trilead/ssh2/packets/TypesWriter.java b/lib/src/main/java/com/trilead/ssh2/packets/TypesWriter.java index f2e5ef3..9f7336b 100644 --- a/lib/src/main/java/com/trilead/ssh2/packets/TypesWriter.java +++ b/lib/src/main/java/com/trilead/ssh2/packets/TypesWriter.java @@ -1,169 +1,169 @@ -
-package com.trilead.ssh2.packets;
-
-import java.io.UnsupportedEncodingException;
-import java.math.BigInteger;
-
-/**
- * TypesWriter.
- *
- * @author Christian Plattner, plattner@trilead.com
- * @version $Id: TypesWriter.java,v 1.2 2008/04/01 12:38:09 cplattne Exp $
- */
-public class TypesWriter
-{
- byte arr[];
- int pos;
-
- public TypesWriter()
- {
- arr = new byte[256];
- pos = 0;
- }
-
- private void resize(int len)
- {
- byte new_arr[] = new byte[len];
- System.arraycopy(arr, 0, new_arr, 0, arr.length);
- arr = new_arr;
- }
-
- public int length()
- {
- return pos;
- }
-
- public byte[] getBytes()
- {
- byte[] dst = new byte[pos];
- System.arraycopy(arr, 0, dst, 0, pos);
- return dst;
- }
-
- public void getBytes(byte dst[])
- {
- System.arraycopy(arr, 0, dst, 0, pos);
- }
-
- public void writeUINT32(int val, int off)
- {
- if ((off + 4) > arr.length)
- resize(off + 32);
-
- arr[off++] = (byte) (val >> 24);
- arr[off++] = (byte) (val >> 16);
- arr[off++] = (byte) (val >> 8);
- arr[off++] = (byte) val;
- }
-
- public void writeUINT32(int val)
- {
- writeUINT32(val, pos);
- pos += 4;
- }
-
- public void writeUINT64(long val)
- {
- if ((pos + 8) > arr.length)
- resize(arr.length + 32);
-
- arr[pos++] = (byte) (val >> 56);
- arr[pos++] = (byte) (val >> 48);
- arr[pos++] = (byte) (val >> 40);
- arr[pos++] = (byte) (val >> 32);
- arr[pos++] = (byte) (val >> 24);
- arr[pos++] = (byte) (val >> 16);
- arr[pos++] = (byte) (val >> 8);
- arr[pos++] = (byte) val;
- }
-
- public void writeBoolean(boolean v)
- {
- if ((pos + 1) > arr.length)
- resize(arr.length + 32);
-
- arr[pos++] = v ? (byte) 1 : (byte) 0;
- }
-
- public void writeByte(int v, int off)
- {
- if ((off + 1) > arr.length)
- resize(off + 32);
-
- arr[off] = (byte) v;
- }
-
- public void writeByte(int v)
- {
- writeByte(v, pos);
- pos++;
- }
-
- public void writeMPInt(BigInteger b)
- {
- byte raw[] = b.toByteArray();
-
- if ((raw.length == 1) && (raw[0] == 0))
- writeUINT32(0); /* String with zero bytes of data */
- else
- writeString(raw, 0, raw.length);
- }
-
- public void writeBytes(byte[] buff)
- {
- writeBytes(buff, 0, buff.length);
- }
-
- public void writeBytes(byte[] buff, int off, int len)
- {
- if ((pos + len) > arr.length)
- resize(arr.length + len + 32);
-
- System.arraycopy(buff, off, arr, pos, len);
- pos += len;
- }
-
- public void writeString(byte[] buff, int off, int len)
- {
- writeUINT32(len);
- writeBytes(buff, off, len);
- }
-
- public void writeString(String v)
- {
- byte[] b;
-
- try
- {
- /* All Java JVMs must support ISO-8859-1 */
- b = v.getBytes("ISO-8859-1");
- }
- catch (UnsupportedEncodingException ignore)
- {
- b = v.getBytes();
- }
-
- writeUINT32(b.length);
- writeBytes(b, 0, b.length);
- }
-
- public void writeString(String v, String charsetName) throws UnsupportedEncodingException
- {
- byte[] b = (charsetName == null) ? v.getBytes() : v.getBytes(charsetName);
-
- writeUINT32(b.length);
- writeBytes(b, 0, b.length);
- }
-
- public void writeNameList(String v[])
- {
- StringBuffer sb = new StringBuffer();
- for (int i = 0; i < v.length; i++)
- {
- if (i > 0)
- sb.append(',');
- sb.append(v[i]);
- }
- writeString(sb.toString());
- }
-}
+ +package com.trilead.ssh2.packets; + +import java.io.UnsupportedEncodingException; +import java.math.BigInteger; + +/** + * TypesWriter. + * + * @author Christian Plattner, plattner@trilead.com + * @version $Id: TypesWriter.java,v 1.2 2008/04/01 12:38:09 cplattne Exp $ + */ +public class TypesWriter +{ + byte arr[]; + int pos; + + public TypesWriter() + { + arr = new byte[256]; + pos = 0; + } + + private void resize(int len) + { + byte new_arr[] = new byte[len]; + System.arraycopy(arr, 0, new_arr, 0, arr.length); + arr = new_arr; + } + + public int length() + { + return pos; + } + + public byte[] getBytes() + { + byte[] dst = new byte[pos]; + System.arraycopy(arr, 0, dst, 0, pos); + return dst; + } + + public void getBytes(byte dst[]) + { + System.arraycopy(arr, 0, dst, 0, pos); + } + + public void writeUINT32(int val, int off) + { + if ((off + 4) > arr.length) + resize(off + 32); + + arr[off++] = (byte) (val >> 24); + arr[off++] = (byte) (val >> 16); + arr[off++] = (byte) (val >> 8); + arr[off++] = (byte) val; + } + + public void writeUINT32(int val) + { + writeUINT32(val, pos); + pos += 4; + } + + public void writeUINT64(long val) + { + if ((pos + 8) > arr.length) + resize(arr.length + 32); + + arr[pos++] = (byte) (val >> 56); + arr[pos++] = (byte) (val >> 48); + arr[pos++] = (byte) (val >> 40); + arr[pos++] = (byte) (val >> 32); + arr[pos++] = (byte) (val >> 24); + arr[pos++] = (byte) (val >> 16); + arr[pos++] = (byte) (val >> 8); + arr[pos++] = (byte) val; + } + + public void writeBoolean(boolean v) + { + if ((pos + 1) > arr.length) + resize(arr.length + 32); + + arr[pos++] = v ? (byte) 1 : (byte) 0; + } + + public void writeByte(int v, int off) + { + if ((off + 1) > arr.length) + resize(off + 32); + + arr[off] = (byte) v; + } + + public void writeByte(int v) + { + writeByte(v, pos); + pos++; + } + + public void writeMPInt(BigInteger b) + { + byte raw[] = b.toByteArray(); + + if ((raw.length == 1) && (raw[0] == 0)) + writeUINT32(0); /* String with zero bytes of data */ + else + writeString(raw, 0, raw.length); + } + + public void writeBytes(byte[] buff) + { + writeBytes(buff, 0, buff.length); + } + + public void writeBytes(byte[] buff, int off, int len) + { + if ((pos + len) > arr.length) + resize(arr.length + len + 32); + + System.arraycopy(buff, off, arr, pos, len); + pos += len; + } + + public void writeString(byte[] buff, int off, int len) + { + writeUINT32(len); + writeBytes(buff, off, len); + } + + public void writeString(String v) + { + byte[] b; + + try + { + /* All Java JVMs must support ISO-8859-1 */ + b = v.getBytes("ISO-8859-1"); + } + catch (UnsupportedEncodingException ignore) + { + b = v.getBytes(); + } + + writeUINT32(b.length); + writeBytes(b, 0, b.length); + } + + public void writeString(String v, String charsetName) throws UnsupportedEncodingException + { + byte[] b = (charsetName == null) ? v.getBytes() : v.getBytes(charsetName); + + writeUINT32(b.length); + writeBytes(b, 0, b.length); + } + + public void writeNameList(String v[]) + { + StringBuffer sb = new StringBuffer(); + for (int i = 0; i < v.length; i++) + { + if (i > 0) + sb.append(','); + sb.append(v[i]); + } + writeString(sb.toString()); + } +} |