1 /* @(#) $Header: /tcpdump/master/tcpdump/rpc_msg.h,v 1.2 2005-04-27 21:43:48 guy Exp $ (LBL) */ 2 /* 3 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 4 * unrestricted use provided that this legend is included on all tape 5 * media and as a part of the software program in whole or part. Users 6 * may copy or modify Sun RPC without charge, but are not authorized 7 * to license or distribute it to anyone else except as part of a product or 8 * program developed by the user. 9 * 10 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 11 * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR 12 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 13 * 14 * Sun RPC is provided with no support and without any obligation on the 15 * part of Sun Microsystems, Inc. to assist in its use, correction, 16 * modification or enhancement. 17 * 18 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 20 * OR ANY PART THEREOF. 21 * 22 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 23 * or profits or other special, indirect and consequential damages, even if 24 * Sun has been advised of the possibility of such damages. 25 * 26 * Sun Microsystems, Inc. 27 * 2550 Garcia Avenue 28 * Mountain View, California 94043 29 * 30 * from: @(#)rpc_msg.h 1.7 86/07/16 SMI 31 * from: @(#)rpc_msg.h 2.1 88/07/29 4.0 RPCSRC 32 * $FreeBSD$ 33 * FreeBSD: src/include/rpc/rpc_msg.h,v 1.11.2.1 1999/08/29 14:39:07 peter Exp 34 */ 35 36 /* 37 * rpc_msg.h 38 * rpc message definition 39 * 40 * Copyright (C) 1984, Sun Microsystems, Inc. 41 */ 42 43 #define SUNRPC_MSG_VERSION ((u_int32_t) 2) 44 45 /* 46 * Bottom up definition of an rpc message. 47 * NOTE: call and reply use the same overall stuct but 48 * different parts of unions within it. 49 */ 50 51 enum sunrpc_msg_type { 52 SUNRPC_CALL=0, 53 SUNRPC_REPLY=1 54 }; 55 56 enum sunrpc_reply_stat { 57 SUNRPC_MSG_ACCEPTED=0, 58 SUNRPC_MSG_DENIED=1 59 }; 60 61 enum sunrpc_accept_stat { 62 SUNRPC_SUCCESS=0, 63 SUNRPC_PROG_UNAVAIL=1, 64 SUNRPC_PROG_MISMATCH=2, 65 SUNRPC_PROC_UNAVAIL=3, 66 SUNRPC_GARBAGE_ARGS=4, 67 SUNRPC_SYSTEM_ERR=5 68 }; 69 70 enum sunrpc_reject_stat { 71 SUNRPC_RPC_MISMATCH=0, 72 SUNRPC_AUTH_ERROR=1 73 }; 74 75 /* 76 * Reply part of an rpc exchange 77 */ 78 79 /* 80 * Reply to an rpc request that was rejected by the server. 81 */ 82 struct sunrpc_rejected_reply { 83 u_int32_t rj_stat; /* enum reject_stat */ 84 union { 85 struct { 86 u_int32_t low; 87 u_int32_t high; 88 } RJ_versions; 89 u_int32_t RJ_why; /* enum auth_stat - why authentication did not work */ 90 } ru; 91 #define rj_vers ru.RJ_versions 92 #define rj_why ru.RJ_why 93 }; 94 95 /* 96 * Body of a reply to an rpc request. 97 */ 98 struct sunrpc_reply_body { 99 u_int32_t rp_stat; /* enum reply_stat */ 100 struct sunrpc_rejected_reply rp_reject; /* if rejected */ 101 }; 102 103 /* 104 * Body of an rpc request call. 105 */ 106 struct sunrpc_call_body { 107 u_int32_t cb_rpcvers; /* must be equal to two */ 108 u_int32_t cb_prog; 109 u_int32_t cb_vers; 110 u_int32_t cb_proc; 111 struct sunrpc_opaque_auth cb_cred; 112 /* followed by opaque verifier */ 113 }; 114 115 /* 116 * The rpc message 117 */ 118 struct sunrpc_msg { 119 u_int32_t rm_xid; 120 u_int32_t rm_direction; /* enum msg_type */ 121 union { 122 struct sunrpc_call_body RM_cmb; 123 struct sunrpc_reply_body RM_rmb; 124 } ru; 125 #define rm_call ru.RM_cmb 126 #define rm_reply ru.RM_rmb 127 }; 128 #define acpted_rply ru.RM_rmb.ru.RP_ar 129 #define rjcted_rply ru.RM_rmb.ru.RP_dr 130