/* @(#)rpc_msg.h 2.1 88/07/29 4.0 RPCSRC */ /* * 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, MERCHANTIBILITY 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 */ /* @(#)rpc_msg.h 1.7 86/07/16 SMI */ #ifndef _RPC_MSG_H #define _RPC_MSG_H 1 #include <sys/cdefs.h> #include <rpc/xdr.h> #include <rpc/clnt.h> /* * rpc_msg.h * rpc message definition * * Copyright (C) 1984, Sun Microsystems, Inc. */ #define RPC_MSG_VERSION ((u_long) 2) #define RPC_SERVICE_PORT ((u_short) 2048) __BEGIN_DECLS /* * Bottom up definition of an rpc message. * NOTE: call and reply use the same overall struct but * different parts of unions within it. */ enum msg_type { CALL=0, REPLY=1 }; enum reply_stat { MSG_ACCEPTED=0, MSG_DENIED=1 }; enum accept_stat { SUCCESS=0, PROG_UNAVAIL=1, PROG_MISMATCH=2, PROC_UNAVAIL=3, GARBAGE_ARGS=4, SYSTEM_ERR=5 }; enum reject_stat { RPC_MISMATCH=0, AUTH_ERROR=1 }; /* * Reply part of an rpc exchange */ /* * Reply to an rpc request that was accepted by the server. * Note: there could be an error even though the request was * accepted. */ struct accepted_reply { struct opaque_auth ar_verf; enum accept_stat ar_stat; union { struct { u_long low; u_long high; } AR_versions; struct { caddr_t where; xdrproc_t proc; } AR_results; /* and many other null cases */ } ru; #define ar_results ru.AR_results #define ar_vers ru.AR_versions }; /* * Reply to an rpc request that was rejected by the server. */ struct rejected_reply { enum reject_stat rj_stat; union { struct { u_long low; u_long high; } RJ_versions; enum auth_stat RJ_why; /* 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 reply_body { enum reply_stat rp_stat; union { struct accepted_reply RP_ar; struct rejected_reply RP_dr; } ru; #define rp_acpt ru.RP_ar #define rp_rjct ru.RP_dr }; /* * Body of an rpc request call. */ struct call_body { u_long cb_rpcvers; /* must be equal to two */ u_long cb_prog; u_long cb_vers; u_long cb_proc; struct opaque_auth cb_cred; struct opaque_auth cb_verf; /* protocol specific - provided by client */ }; /* * The rpc message */ struct rpc_msg { u_long rm_xid; enum msg_type rm_direction; union { struct call_body RM_cmb; struct 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 /* * XDR routine to handle a rpc message. * xdr_callmsg(xdrs, cmsg) * XDR *xdrs; * struct rpc_msg *cmsg; */ extern bool_t xdr_callmsg (XDR *__xdrs, struct rpc_msg *__cmsg) __THROW; /* * XDR routine to pre-serialize the static part of a rpc message. * xdr_callhdr(xdrs, cmsg) * XDR *xdrs; * struct rpc_msg *cmsg; */ extern bool_t xdr_callhdr (XDR *__xdrs, struct rpc_msg *__cmsg) __THROW; /* * XDR routine to handle a rpc reply. * xdr_replymsg(xdrs, rmsg) * XDR *xdrs; * struct rpc_msg *rmsg; */ extern bool_t xdr_replymsg (XDR *__xdrs, struct rpc_msg *__rmsg) __THROW; /* * Fills in the error part of a reply message. * _seterr_reply(msg, error) * struct rpc_msg *msg; * struct rpc_err *error; */ extern void _seterr_reply (struct rpc_msg *__msg, struct rpc_err *__error) __THROW; __END_DECLS #endif /* rpc/rpc_msg.h */