Home | History | Annotate | Download | only in tcpdump 
      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: src/include/rpc/rpc_msg.h,v 1.11.2.1 1999/08/29 14:39:07 peter Exp $
     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