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+/*
+ * Copyright 2002 Niels Provos <provos@citi.umich.edu>
+ * 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 _MONITOR_H_
+#define _MONITOR_H_
+
+enum monitor_reqtype {
+	MONITOR_REQ_MODULI, MONITOR_ANS_MODULI,
+	MONITOR_REQ_FREE, MONITOR_REQ_AUTHSERV,
+	MONITOR_REQ_SIGN, MONITOR_ANS_SIGN,
+	MONITOR_REQ_PWNAM, MONITOR_ANS_PWNAM,
+	MONITOR_REQ_AUTHPASSWORD, MONITOR_ANS_AUTHPASSWORD,
+	MONITOR_REQ_KEYALLOWED, MONITOR_ANS_KEYALLOWED,
+	MONITOR_REQ_KEYVERIFY, MONITOR_ANS_KEYVERIFY,
+	MONITOR_REQ_KEYEXPORT,
+	MONITOR_REQ_PTY, MONITOR_ANS_PTY,
+	MONITOR_REQ_TERM
+};
+
+struct monitor_req {
+	enum monitor_reqtype type;
+	void *address;
+	size_t size;
+};
+
+void monitor_socketpair(int *pair);
+
+struct Authctxt;
+struct Authctxt *monitor_child_preauth(int);
+void monitor_child_postauth(int);
+
+struct mon_table;
+int monitor_read(int, struct mon_table *);
+
+#endif /* _MONITOR_H_ */