Put ssh back into the repository
Change-Id: I23324372188fa6ed3f93a32b84365f5df6367590
diff --git a/session.h b/session.h
new file mode 100644
index 0000000..cbb8e3a
--- /dev/null
+++ b/session.h
@@ -0,0 +1,83 @@
+/* $OpenBSD: session.h,v 1.30 2008/05/08 12:21:16 djm Exp $ */
+
+/*
+ * Copyright (c) 2000, 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.
+ */
+#ifndef SESSION_H
+#define SESSION_H
+
+#define TTYSZ 64
+typedef struct Session Session;
+struct Session {
+ int used;
+ int self;
+ int next_unused;
+ struct passwd *pw;
+ Authctxt *authctxt;
+ pid_t pid;
+
+ /* tty */
+ char *term;
+ int ptyfd, ttyfd, ptymaster;
+ u_int row, col, xpixel, ypixel;
+ char tty[TTYSZ];
+
+ /* X11 */
+ u_int display_number;
+ char *display;
+ u_int screen;
+ char *auth_display;
+ char *auth_proto;
+ char *auth_data;
+ int single_connection;
+
+ /* proto 2 */
+ int chanid;
+ int *x11_chanids;
+ int is_subsystem;
+ u_int num_env;
+ struct {
+ char *name;
+ char *val;
+ } *env;
+};
+
+void do_authenticated(Authctxt *);
+void do_cleanup(Authctxt *);
+
+int session_open(Authctxt *, int);
+void session_unused(int);
+int session_input_channel_req(Channel *, const char *);
+void session_close_by_pid(pid_t, int);
+void session_close_by_channel(int, void *);
+void session_destroy_all(void (*)(Session *));
+void session_pty_cleanup2(Session *);
+
+Session *session_new(void);
+Session *session_by_tty(char *);
+void session_close(Session *);
+void do_setusercontext(struct passwd *);
+void child_set_env(char ***envp, u_int *envsizep, const char *name,
+ const char *value);
+
+#endif