--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/com/trilead/ssh2/channel/ChannelInputStream.java	Thu May 22 10:41:19 2014 -0700
@@ -0,0 +1,74 @@
+
+package com.trilead.ssh2.channel;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * ChannelInputStream.
+ *
+ * @author Christian Plattner, plattner@trilead.com
+ * @version $Id: ChannelInputStream.java,v 1.1 2007/10/15 12:49:56 cplattne Exp $
+ */
+public final class ChannelInputStream extends InputStream {
+    Channel c;
+
+    boolean isClosed = false;
+    boolean isEOF = false;
+    boolean extendedFlag = false;
+
+    ChannelInputStream(Channel c, boolean isExtended) {
+        this.c = c;
+        this.extendedFlag = isExtended;
+    }
+
+    public int available() throws IOException {
+        if (isEOF)
+            return 0;
+
+        int avail = c.cm.getAvailable(c, extendedFlag);
+        /* We must not return -1 on EOF */
+        return (avail > 0) ? avail : 0;
+    }
+
+    public void close() throws IOException {
+        isClosed = true;
+    }
+
+    public int read(byte[] b, int off, int len) throws IOException {
+        if (b == null)
+            throw new NullPointerException();
+
+        if ((off < 0) || (len < 0) || ((off + len) > b.length) || ((off + len) < 0) || (off > b.length))
+            throw new IndexOutOfBoundsException();
+
+        if (len == 0)
+            return 0;
+
+        if (isEOF)
+            return -1;
+
+        int ret = c.cm.getChannelData(c, extendedFlag, b, off, len);
+
+        if (ret == -1) {
+            isEOF = true;
+        }
+
+        return ret;
+    }
+
+    public int read(byte[] b) throws IOException {
+        return read(b, 0, b.length);
+    }
+
+    public int read() throws IOException {
+        /* Yes, this stream is pure and unbuffered, a single byte read() is slow */
+        final byte b[] = new byte[1];
+        int ret = read(b, 0, 1);
+
+        if (ret != 1)
+            return -1;
+
+        return b[0] & 0xff;
+    }
+}