1 /* 2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 3 * unrestricted use provided that this legend is included on all tape 4 * media and as a part of the software program in whole or part. Users 5 * may copy or modify Sun RPC without charge, but are not authorized 6 * to license or distribute it to anyone else except as part of a product or 7 * program developed by the user. 8 * 9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 10 * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR 11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 12 * 13 * Sun RPC is provided with no support and without any obligation on the 14 * part of Sun Microsystems, Inc. to assist in its use, correction, 15 * modification or enhancement. 16 * 17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 19 * OR ANY PART THEREOF. 20 * 21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 22 * or profits or other special, indirect and consequential damages, even if 23 * Sun has been advised of the possibility of such damages. 24 * 25 * Sun Microsystems, Inc. 26 * 2550 Garcia Avenue 27 * Mountain View, California 94043 28 * 29 * from: @(#)rpc_msg.h 1.7 86/07/16 SMI 30 * from: @(#)rpc_msg.h 2.1 88/07/29 4.0 RPCSRC 31 * $FreeBSD: projects/clang400-import/contrib/tcpdump/rpc_msg.h 276788 2015-01-07 19:55:18Z delphij $ 32 */ 33 34 /* 35 * rpc_msg.h 36 * rpc message definition 37 * 38 * Copyright (C) 1984, Sun Microsystems, Inc. 39 */ 40 41 #define SUNRPC_MSG_VERSION ((uint32_t) 2) 42 43 /* 44 * Bottom up definition of an rpc message. 45 * NOTE: call and reply use the same overall stuct but 46 * different parts of unions within it. 47 */ 48 49 enum sunrpc_msg_type { 50 SUNRPC_CALL=0, 51 SUNRPC_REPLY=1 52 }; 53 54 enum sunrpc_reply_stat { 55 SUNRPC_MSG_ACCEPTED=0, 56 SUNRPC_MSG_DENIED=1 57 }; 58 59 enum sunrpc_accept_stat { 60 SUNRPC_SUCCESS=0, 61 SUNRPC_PROG_UNAVAIL=1, 62 SUNRPC_PROG_MISMATCH=2, 63 SUNRPC_PROC_UNAVAIL=3, 64 SUNRPC_GARBAGE_ARGS=4, 65 SUNRPC_SYSTEM_ERR=5 66 }; 67 68 enum sunrpc_reject_stat { 69 SUNRPC_RPC_MISMATCH=0, 70 SUNRPC_AUTH_ERROR=1 71 }; 72 73 /* 74 * Reply part of an rpc exchange 75 */ 76 77 /* 78 * Reply to an rpc request that was rejected by the server. 79 */ 80 struct sunrpc_rejected_reply { 81 uint32_t rj_stat; /* enum reject_stat */ 82 union { 83 struct { 84 uint32_t low; 85 uint32_t high; 86 } RJ_versions; 87 uint32_t RJ_why; /* enum auth_stat - why authentication did not work */ 88 } ru; 89 #define rj_vers ru.RJ_versions 90 #define rj_why ru.RJ_why 91 }; 92 93 /* 94 * Body of a reply to an rpc request. 95 */ 96 struct sunrpc_reply_body { 97 uint32_t rp_stat; /* enum reply_stat */ 98 struct sunrpc_rejected_reply rp_reject; /* if rejected */ 99 }; 100 101 /* 102 * Body of an rpc request call. 103 */ 104 struct sunrpc_call_body { 105 uint32_t cb_rpcvers; /* must be equal to two */ 106 uint32_t cb_prog; 107 uint32_t cb_vers; 108 uint32_t cb_proc; 109 struct sunrpc_opaque_auth cb_cred; 110 /* followed by opaque verifier */ 111 }; 112 113 /* 114 * The rpc message 115 */ 116 struct sunrpc_msg { 117 uint32_t rm_xid; 118 uint32_t rm_direction; /* enum msg_type */ 119 union { 120 struct sunrpc_call_body RM_cmb; 121 struct sunrpc_reply_body RM_rmb; 122 } ru; 123 #define rm_call ru.RM_cmb 124 #define rm_reply ru.RM_rmb 125 }; 126 #define acpted_rply ru.RM_rmb.ru.RP_ar 127 #define rjcted_rply ru.RM_rmb.ru.RP_dr 128