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/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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/*static char *sccsid = "from: @(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro";*/
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/*static char *sccsid = "from: @(#)rpc_callmsg.c 2.1 88/07/29 4.0 RPCSRC";*/
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static char *rcsid = "$FreeBSD: src/lib/libc/rpc/rpc_callmsg.c,v 1.9 1999/08/28 00:00:45 peter Exp $";
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#endif
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/*
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* rpc_callmsg.c
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*
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* Copyright (C) 1984, Sun Microsystems, Inc.
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*
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*/
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#include <sys/param.h>
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#include <stdlib.h>
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#include <string.h>
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#include <rpc/rpc.h>
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/*
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* XDR a call message
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*/
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bool_t
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xdr_callmsg(xdrs, cmsg)
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register XDR *xdrs;
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register struct rpc_msg *cmsg;
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{
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register int32_t *buf;
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register struct opaque_auth *oa;
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if (xdrs->x_op == XDR_ENCODE) {
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if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) {
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return (FALSE);
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}
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if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) {
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return (FALSE);
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}
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buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT
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+ RNDUP(cmsg->rm_call.cb_cred.oa_length)
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+ 2 * BYTES_PER_XDR_UNIT
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+ RNDUP(cmsg->rm_call.cb_verf.oa_length));
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if (buf != NULL) {
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IXDR_PUT_LONG(buf, cmsg->rm_xid);
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IXDR_PUT_ENUM(buf, cmsg->rm_direction);
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if (cmsg->rm_direction != CALL) {
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return (FALSE);
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}
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IXDR_PUT_LONG(buf, cmsg->rm_call.cb_rpcvers);
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if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
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return (FALSE);
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}
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IXDR_PUT_LONG(buf, cmsg->rm_call.cb_prog);
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IXDR_PUT_LONG(buf, cmsg->rm_call.cb_vers);
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IXDR_PUT_LONG(buf, cmsg->rm_call.cb_proc);
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oa = &cmsg->rm_call.cb_cred;
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IXDR_PUT_ENUM(buf, oa->oa_flavor);
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IXDR_PUT_LONG(buf, oa->oa_length);
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if (oa->oa_length) {
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memcpy((caddr_t)buf, oa->oa_base, oa->oa_length);
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buf += RNDUP(oa->oa_length) / sizeof (int32_t);
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}
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oa = &cmsg->rm_call.cb_verf;
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IXDR_PUT_ENUM(buf, oa->oa_flavor);
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IXDR_PUT_LONG(buf, oa->oa_length);
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if (oa->oa_length) {
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memcpy((caddr_t)buf, oa->oa_base, oa->oa_length);
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/* no real need....
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buf += RNDUP(oa->oa_length) / sizeof (int32_t);
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*/
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}
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return (TRUE);
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}
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}
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if (xdrs->x_op == XDR_DECODE) {
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buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT);
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if (buf != NULL) {
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cmsg->rm_xid = IXDR_GET_LONG(buf);
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cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type);
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if (cmsg->rm_direction != CALL) {
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return (FALSE);
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}
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cmsg->rm_call.cb_rpcvers = IXDR_GET_LONG(buf);
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if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
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return (FALSE);
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}
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cmsg->rm_call.cb_prog = IXDR_GET_LONG(buf);
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cmsg->rm_call.cb_vers = IXDR_GET_LONG(buf);
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cmsg->rm_call.cb_proc = IXDR_GET_LONG(buf);
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oa = &cmsg->rm_call.cb_cred;
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oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
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oa->oa_length = IXDR_GET_LONG(buf);
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if (oa->oa_length) {
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if (oa->oa_length > MAX_AUTH_BYTES) {
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return (FALSE);
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}
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if (oa->oa_base == NULL) {
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oa->oa_base = (caddr_t)
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mem_alloc(oa->oa_length);
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}
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buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
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if (buf == NULL) {
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if (xdr_opaque(xdrs, oa->oa_base,
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oa->oa_length) == FALSE) {
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return (FALSE);
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}
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} else {
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memcpy(oa->oa_base, (caddr_t)buf,
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oa->oa_length);
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/* no real need....
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buf += RNDUP(oa->oa_length) /
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sizeof (int32_t);
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*/
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}
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}
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oa = &cmsg->rm_call.cb_verf;
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buf = XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT);
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if (buf == NULL) {
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if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE ||
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xdr_u_int(xdrs, &oa->oa_length) == FALSE) {
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return (FALSE);
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}
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} else {
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oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
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oa->oa_length = IXDR_GET_LONG(buf);
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}
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if (oa->oa_length) {
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if (oa->oa_length > MAX_AUTH_BYTES) {
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return (FALSE);
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}
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if (oa->oa_base == NULL) {
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oa->oa_base = (caddr_t)
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mem_alloc(oa->oa_length);
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}
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buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
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if (buf == NULL) {
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if (xdr_opaque(xdrs, oa->oa_base,
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oa->oa_length) == FALSE) {
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return (FALSE);
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}
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} else {
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memcpy(oa->oa_base, (caddr_t)buf,
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oa->oa_length);
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/* no real need...
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buf += RNDUP(oa->oa_length) /
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sizeof (int32_t);
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*/
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}
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}
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return (TRUE);
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}
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}
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if (
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xdr_u_int32_t(xdrs, &(cmsg->rm_xid)) &&
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xdr_enum(xdrs, (enum_t *)&(cmsg->rm_direction)) &&
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(cmsg->rm_direction == CALL) &&
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xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
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(cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) &&
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xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_prog)) &&
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xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_vers)) &&
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xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_proc)) &&
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xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) )
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return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf)));
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return (FALSE);
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}
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