Description: attempt to write to the socket multiple times until all data has been written
Author: Ludovico Cavedon <cavedon@lastline.com>

Index: proxytunnel-1.9.0/ptstream.c
===================================================================
--- proxytunnel-1.9.0.orig/ptstream.c	2013-07-24 12:45:01.000000000 -0700
+++ proxytunnel-1.9.0/ptstream.c	2013-07-24 13:59:10.325875786 -0700
@@ -98,21 +98,36 @@
 int stream_write(PTSTREAM *pts, void *buf, size_t len) {
 	/* Write the specified number of bytes from the buffer */
 	int bytes_written;
+	int total_bytes_written = 0;
 
-	if (!pts->ssl) {
-		/* For a non-SSL stream... */
-		bytes_written = write(pts->outgoing_fd, buf, len);
-	} else {
+	while (total_bytes_written < len) {
+		if (!pts->ssl) {
+			/* For a non-SSL stream... */
+			bytes_written = write(pts->outgoing_fd,
+					              buf + total_bytes_written,
+								  len - total_bytes_written);
+		} else {
 #ifdef USE_SSL
-		/* For an SSL stream... */
-		bytes_written = gnutls_record_send(pts->session, buf, len);
+			/* For an SSL stream... */
+			bytes_written = gnutls_record_send(pts->session,
+					                           buf + total_bytes_written,
+											   len - total_bytes_written
+					);
 #else
-		/* No SSL support, so must use a non-SSL stream */
-		bytes_written = write(pts->outgoing_fd, buf, len);
+			/* No SSL support, so must use a non-SSL stream */
+			bytes_written = write(pts->outgoing_fd,
+					              buf + total_bytes_written,
+								  len - total_bytes_written);
 #endif /* USE_SSL */
+		}
+
+		if (bytes_written <= 0) {
+			break;
+		}
+		total_bytes_written += bytes_written;
 	}
 
-	return bytes_written;
+	return total_bytes_written;
 }