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+/*
+ * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
+ * unrestricted use provided that this legend is included on all tape
+ * media and as a part of the software program in whole or part. Users
+ * may copy or modify Sun RPC without charge, but are not authorized
+ * to license or distribute it to anyone else except as part of a product or
+ * program developed by the user.
+ *
+ * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
+ * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
+ *
+ * Sun RPC is provided with no support and without any obligation on the
+ * part of Sun Microsystems, Inc. to assist in its use, correction,
+ * modification or enhancement.
+ *
+ * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
+ * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
+ * OR ANY PART THEREOF.
+ *
+ * In no event will Sun Microsystems, Inc. be liable for any lost revenue
+ * or profits or other special, indirect and consequential damages, even if
+ * Sun has been advised of the possibility of such damages.
+ *
+ * Sun Microsystems, Inc.
+ * 2550 Garcia Avenue
+ * Mountain View, California 94043
+ *
+ * from: @(#)rpc_msg.h 1.7 86/07/16 SMI
+ * from: @(#)rpc_msg.h 2.1 88/07/29 4.0 RPCSRC
+ * $FreeBSD: src/include/rpc/rpc_msg.h,v 1.11.2.1 1999/08/29 14:39:07 peter Exp $
+ */
+
+/*
+ * rpc_msg.h
+ * rpc message definition
+ *
+ * Copyright (C) 1984, Sun Microsystems, Inc.
+ */
+
+#define SUNRPC_MSG_VERSION ((uint32_t) 2)
+
+/*
+ * Bottom up definition of an rpc message.
+ * NOTE: call and reply use the same overall struct but
+ * different parts of unions within it.
+ */
+
+enum sunrpc_msg_type {
+ SUNRPC_CALL=0,
+ SUNRPC_REPLY=1
+};
+
+enum sunrpc_reply_stat {
+ SUNRPC_MSG_ACCEPTED=0,
+ SUNRPC_MSG_DENIED=1
+};
+
+enum sunrpc_accept_stat {
+ SUNRPC_SUCCESS=0,
+ SUNRPC_PROG_UNAVAIL=1,
+ SUNRPC_PROG_MISMATCH=2,
+ SUNRPC_PROC_UNAVAIL=3,
+ SUNRPC_GARBAGE_ARGS=4,
+ SUNRPC_SYSTEM_ERR=5
+};
+
+enum sunrpc_reject_stat {
+ SUNRPC_RPC_MISMATCH=0,
+ SUNRPC_AUTH_ERROR=1
+};
+
+/*
+ * Reply part of an rpc exchange
+ */
+
+/*
+ * Reply to an rpc request that was rejected by the server.
+ */
+struct sunrpc_rejected_reply {
+ nd_uint32_t rj_stat; /* enum reject_stat */
+ union {
+ struct {
+ nd_uint32_t low;
+ nd_uint32_t high;
+ } RJ_versions;
+ nd_uint32_t RJ_why; /* enum auth_stat - why authentication did not work */
+ } ru;
+#define rj_vers ru.RJ_versions
+#define rj_why ru.RJ_why
+};
+
+/*
+ * Body of a reply to an rpc request.
+ */
+struct sunrpc_reply_body {
+ nd_uint32_t rp_stat; /* enum reply_stat */
+ struct sunrpc_rejected_reply rp_reject; /* if rejected */
+};
+
+/*
+ * Body of an rpc request call.
+ */
+struct sunrpc_call_body {
+ nd_uint32_t cb_rpcvers; /* must be equal to two */
+ nd_uint32_t cb_prog;
+ nd_uint32_t cb_vers;
+ nd_uint32_t cb_proc;
+ struct sunrpc_opaque_auth cb_cred;
+ /* followed by opaque verifier */
+};
+
+/*
+ * The rpc message
+ */
+struct sunrpc_msg {
+ nd_uint32_t rm_xid;
+ nd_uint32_t rm_direction; /* enum msg_type */
+ union {
+ struct sunrpc_call_body RM_cmb;
+ struct sunrpc_reply_body RM_rmb;
+ } ru;
+#define rm_call ru.RM_cmb
+#define rm_reply ru.RM_rmb
+};
+#define acpted_rply ru.RM_rmb.ru.RP_ar
+#define rjcted_rply ru.RM_rmb.ru.RP_dr