Put ssh back into the repository
Change-Id: I23324372188fa6ed3f93a32b84365f5df6367590
diff --git a/clientloop.h b/clientloop.h
new file mode 100644
index 0000000..a259b5e
--- /dev/null
+++ b/clientloop.h
@@ -0,0 +1,78 @@
+/* $OpenBSD: clientloop.h,v 1.28 2011/06/22 22:08:42 djm Exp $ */
+
+/*
+ * Author: Tatu Ylonen <ylo@cs.hut.fi>
+ * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
+ * All rights reserved
+ *
+ * As far as I am concerned, the code I have written for this software
+ * can be used freely for any purpose. Any derived versions of this
+ * software must be clearly marked as such, and if the derived work is
+ * incompatible with the protocol description in the RFC file, it must be
+ * called by a name other than "ssh" or "Secure Shell".
+ */
+/*
+ * Copyright (c) 2001 Markus Friedl. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <termios.h>
+
+/* Client side main loop for the interactive session. */
+int client_loop(int, int, int);
+void client_x11_get_proto(const char *, const char *, u_int, u_int,
+ char **, char **);
+void client_global_request_reply_fwd(int, u_int32_t, void *);
+void client_session2_setup(int, int, int, const char *, struct termios *,
+ int, Buffer *, char **);
+int client_request_tun_fwd(int, int, int);
+void client_stop_mux(void);
+
+/* Escape filter for protocol 2 sessions */
+void *client_new_escape_filter_ctx(int);
+void client_filter_cleanup(int, void *);
+int client_simple_escape_filter(Channel *, char *, int);
+
+/* Global request confirmation callbacks */
+typedef void global_confirm_cb(int, u_int32_t seq, void *);
+void client_register_global_confirm(global_confirm_cb *, void *);
+
+/* Channel request confirmation callbacks */
+enum confirm_action { CONFIRM_WARN = 0, CONFIRM_CLOSE, CONFIRM_TTY };
+void client_expect_confirm(int, const char *, enum confirm_action);
+
+/* Multiplexing protocol version */
+#define SSHMUX_VER 4
+
+/* Multiplexing control protocol flags */
+#define SSHMUX_COMMAND_OPEN 1 /* Open new connection */
+#define SSHMUX_COMMAND_ALIVE_CHECK 2 /* Check master is alive */
+#define SSHMUX_COMMAND_TERMINATE 3 /* Ask master to exit */
+#define SSHMUX_COMMAND_STDIO_FWD 4 /* Open stdio fwd (ssh -W) */
+#define SSHMUX_COMMAND_FORWARD 5 /* Forward only, no command */
+#define SSHMUX_COMMAND_STOP 6 /* Disable mux but not conn */
+
+void muxserver_listen(void);
+void muxclient(const char *);
+void mux_exit_message(Channel *, int);
+void mux_tty_alloc_failed(Channel *);
+