--- /dev/null
+#ifndef lint
+static char sfs_rpc_prot_id[] = "@(#)rpc_prot.c 2.1 97/10/23";
+#endif
+/* @(#)rpc_prot.c 2.3 88/08/07 4.0 RPCSRC */
+/*
+ * Copyright (c) 1992-1997,2001 by Standard Performance Evaluation Corporation
+ * All rights reserved.
+ * Standard Performance Evaluation Corporation (SPEC)
+ * 6585 Merchant Place, Suite 100
+ * Warrenton, VA 20187
+ *
+ * This product contains benchmarks acquired from several sources who
+ * understand and agree with SPEC's goal of creating fair and objective
+ * benchmarks to measure computer performance.
+ *
+ * This copyright notice is placed here only to protect SPEC in the
+ * event the source is misused in any manner that is contrary to the
+ * spirit, the goals and the intent of SPEC.
+ *
+ * The source code is provided to the user or company under the license
+ * agreement for the SPEC Benchmark Suite for this product.
+ */
+/*
+ * 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
+ */
+#if !defined(lint) && defined(SCCSIDS)
+static char sccsid[] = "@(#)rpc_prot.c 1.36 87/08/11 Copyr 1984 Sun Micro";
+#endif
+
+/*
+ * rpc_prot.c
+ *
+ * Copyright (C) 1984, Sun Microsystems, Inc.
+ *
+ * This set of routines implements the rpc message definition,
+ * its serializer and some common rpc utility routines.
+ * The routines are meant for various implementations of rpc -
+ * they are NOT for the rpc client or rpc service implementations!
+ * Because authentication stuff is easy and is part of rpc, the opaque
+ * routines are also in this program.
+ */
+
+#include "rpc/rpc.h"
+
+/* * * * * * * * * * * * * * XDR Authentication * * * * * * * * * * * */
+
+struct opaque_auth _null_auth;
+
+/*
+ * XDR an opaque authentication struct
+ * (see auth.h)
+ */
+bool_t
+xdr_opaque_auth(
+ XDR *xdrs,
+ struct opaque_auth *ap)
+{
+
+ if (xdr_enum(xdrs, &(ap->oa_flavor)))
+ return (xdr_bytes(xdrs, (void *)&ap->oa_base,
+ &ap->oa_length, MAX_AUTH_BYTES));
+ return (FALSE);
+}
+
+/*
+ * XDR a DES block
+ */
+bool_t
+xdr_des_block(
+ XDR *xdrs,
+ des_block *blkp)
+{
+ return (xdr_opaque(xdrs, (void *)blkp, sizeof(des_block)));
+}
+
+/* * * * * * * * * * * * * * XDR RPC MESSAGE * * * * * * * * * * * * * * * */
+
+/*
+ * XDR the MSG_ACCEPTED part of a reply message union
+ */
+bool_t
+xdr_accepted_reply(
+ XDR *xdrs,
+ struct accepted_reply *ar)
+{
+
+ /* personalized union, rather than calling xdr_union */
+ if (! xdr_opaque_auth(xdrs, &(ar->ar_verf)))
+ return (FALSE);
+ if (! xdr_enum(xdrs, (enum_t *)&(ar->ar_stat)))
+ return (FALSE);
+ switch (ar->ar_stat) {
+
+ case SUCCESS:
+ return ((*(ar->ar_results.proc))(xdrs, ar->ar_results.where));
+
+ case PROG_MISMATCH:
+ if (! xdr_uint32_t(xdrs, &(ar->ar_vers.low)))
+ return (FALSE);
+ return (xdr_uint32_t(xdrs, &(ar->ar_vers.high)));
+ }
+ return (TRUE); /* TRUE => open ended set of problems */
+}
+
+/*
+ * XDR the MSG_DENIED part of a reply message union
+ */
+bool_t
+xdr_rejected_reply(
+ XDR *xdrs,
+ struct rejected_reply *rr)
+{
+
+ /* personalized union, rather than calling xdr_union */
+ if (! xdr_enum(xdrs, (enum_t *)&(rr->rj_stat)))
+ return (FALSE);
+ switch (rr->rj_stat) {
+
+ case RPC_MISMATCH:
+ if (! xdr_uint32_t(xdrs, &(rr->rj_vers.low)))
+ return (FALSE);
+ return (xdr_uint32_t(xdrs, &(rr->rj_vers.high)));
+
+ case AUTH_ERROR:
+ return (xdr_enum(xdrs, (enum_t *)&(rr->rj_why)));
+ }
+ return (FALSE);
+}
+
+static struct xdr_discrim reply_dscrm[3] = {
+ { (int)MSG_ACCEPTED, xdr_accepted_reply },
+ { (int)MSG_DENIED, xdr_rejected_reply },
+ { __dontcare__, NULL_xdrproc_t } };
+
+/*
+ * XDR a reply message
+ */
+bool_t
+xdr_replymsg(
+ XDR *xdrs,
+ struct rpc_msg *rmsg)
+{
+ if (
+ xdr_uint32_t(xdrs, &(rmsg->rm_xid)) &&
+ xdr_enum(xdrs, (enum_t *)&(rmsg->rm_direction)) &&
+ (rmsg->rm_direction == REPLY) )
+ return (xdr_union(xdrs, (enum_t *)&(rmsg->rm_reply.rp_stat),
+ (void *)&(rmsg->rm_reply.ru), reply_dscrm, NULL_xdrproc_t));
+ return (FALSE);
+}
+
+
+/*
+ * Serializes the "static part" of a call message header.
+ * The fields include: rm_xid, rm_direction, rpcvers, prog, and vers.
+ * The rm_xid is not really static, but the user can easily munge on the fly.
+ */
+bool_t
+xdr_callhdr(
+ XDR *xdrs,
+ struct rpc_msg *cmsg)
+{
+
+ cmsg->rm_direction = CALL;
+ cmsg->rm_call.cb_rpcvers = RPC_MSG_VERSION;
+ if (
+ (xdrs->x_op == XDR_ENCODE) &&
+ xdr_uint32_t(xdrs, &(cmsg->rm_xid)) &&
+ xdr_enum(xdrs, (enum_t *)&(cmsg->rm_direction)) &&
+ xdr_uint32_t(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
+ xdr_uint32_t(xdrs, &(cmsg->rm_call.cb_prog)) )
+ return (xdr_uint32_t(xdrs, &(cmsg->rm_call.cb_vers)));
+ return (FALSE);
+}
+
+/* ************************** Client utility routine ************* */
+
+static void
+accepted(
+ enum accept_stat acpt_stat,
+ struct rpc_err *error)
+{
+
+ switch (acpt_stat) {
+
+ case PROG_UNAVAIL:
+ error->re_status = RPC_PROGUNAVAIL;
+ return;
+
+ case PROG_MISMATCH:
+ error->re_status = RPC_PROGVERSMISMATCH;
+ return;
+
+ case PROC_UNAVAIL:
+ error->re_status = RPC_PROCUNAVAIL;
+ return;
+
+ case GARBAGE_ARGS:
+ error->re_status = RPC_CANTDECODEARGS;
+ return;
+
+ case SYSTEM_ERR:
+ error->re_status = RPC_SYSTEMERROR;
+ return;
+
+ case SUCCESS:
+ error->re_status = RPC_SUCCESS;
+ return;
+ }
+ /* something's wrong, but we don't know what ... */
+ error->re_status = RPC_FAILED;
+ error->re_lb.s1 = (int32_t)MSG_ACCEPTED;
+ error->re_lb.s2 = (int32_t)acpt_stat;
+}
+
+static void
+rejected(
+ enum reject_stat rjct_stat,
+ struct rpc_err *error)
+{
+
+ if ((int)rjct_stat == (int)RPC_VERSMISMATCH) {
+ error->re_status = RPC_VERSMISMATCH;
+ return;
+ }
+ if (rjct_stat == AUTH_ERROR) {
+ error->re_status = RPC_AUTHERROR;
+ return;
+ }
+
+ /* something's wrong, but we don't know what ... */
+ error->re_status = RPC_FAILED;
+ error->re_lb.s1 = (int32_t)MSG_DENIED;
+ error->re_lb.s2 = (int32_t)rjct_stat;
+}
+
+/*
+ * given a reply message, fills in the error
+ */
+void
+_seterr_reply(
+ struct rpc_msg *msg,
+ struct rpc_err *error)
+{
+
+ /* optimized for normal, SUCCESSful case */
+ switch (msg->rm_reply.rp_stat) {
+
+ case MSG_ACCEPTED:
+ if (msg->acpted_rply.ar_stat == SUCCESS) {
+ error->re_status = RPC_SUCCESS;
+ return;
+ };
+ accepted(msg->acpted_rply.ar_stat, error);
+ break;
+
+ case MSG_DENIED:
+ rejected(msg->rjcted_rply.rj_stat, error);
+ break;
+
+ default:
+ error->re_status = RPC_FAILED;
+ error->re_lb.s1 = (int32_t)(msg->rm_reply.rp_stat);
+ break;
+ }
+ switch (error->re_status) {
+
+ case RPC_VERSMISMATCH:
+ error->re_vers.low = msg->rjcted_rply.rj_vers.low;
+ error->re_vers.high = msg->rjcted_rply.rj_vers.high;
+ break;
+
+ case RPC_AUTHERROR:
+ error->re_why = msg->rjcted_rply.rj_why;
+ break;
+
+ case RPC_PROGVERSMISMATCH:
+ error->re_vers.low = msg->acpted_rply.ar_vers.low;
+ error->re_vers.high = msg->acpted_rply.ar_vers.high;
+ break;
+ }
+}
projects / bluesky.git / blobdiff