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- /* @(#)rpc_msg.h 1.1 88/03/04 4.0NFSSRC SMI */
-
- /*
- * Copyright (c) 1988 by Sun Microsystems, Inc.
- * @(#)rpc_msg.h 1.8 88/02/08 SMI
- */
-
-
- /*
- * rpc_msg.h
- * rpc message definition
- */
-
- #define RPC_MSG_VERSION ((u_long) 2)
- #define RPC_SERVICE_PORT ((u_short) 2048)
-
- /*
- * Bottom up definition of an rpc message.
- * NOTE: call and reply use the same overall stuct 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 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 routine to handle a rpc reply.
- * xdr_replymsg(xdrs, rmsg)
- * XDR *xdrs;
- * struct rpc_msg *rmsg;
- */
- extern bool_t xdr_replymsg();
-
- /*
- * 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();
-