rpc_callmsg.c
上传用户:nvosite88
上传日期:2007-01-17
资源大小:4983k
文件大小:6k
- /* rpc_callmsg.c - the rpc call message definition */
- /* Copyright 1984-2001 Wind River Systems, Inc. */
- #include "copyright_wrs.h"
- /* @(#)rpc_callmsg.c 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
- */
- #if !defined(lint) && defined(SCCSIDS)
- /* static char sccsid[] = "@(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro"; */
- #endif
- /*
- modification history
- --------------------
- 01h,05nov01,vvv cleaned up register definitions; unconditionally import
- ixdr_get_long
- 01g,26oct01,vvv fixed compilation errors/warnings (SPR #70760)
- 01f,18apr00,ham fixed compilation warnings.
- 01e,26may92,rrr the tree shuffle
- 01d,04oct91,rrr passed through the ansification filter
- -changed includes to have absolute path from h/
- -fixed #else and #endif
- -changed copyright notice
- 01c,05aug91,del made ulong *buf non-register for I960 version.
- 01b,19apr90,hjb de-linted.
- 01a,21jul89,hjb first VxWorks version - 4.0
- */
- /*
- * rpc_callmsg.c
- *
- * Copyright (C) 1984, Sun Microsystems, Inc.
- *
- */
- #include "vxWorks.h"
- #include "rpc/rpc.h"
- #include "memLib.h"
- #include "stdlib.h"
- IMPORT bool_t xdr_opaque_auth ();
- IMPORT u_long ixdr_get_long ();
- /*
- * XDR a call message
- */
- bool_t
- xdr_callmsg(xdrs, cmsg)
- XDR *xdrs;
- struct rpc_msg *cmsg;
- {
- long *buf;
- struct opaque_auth *oa;
- if (xdrs->x_op == XDR_ENCODE) {
- if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) {
- return (FALSE);
- }
- if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) {
- return (FALSE);
- }
- buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT
- + RNDUP(cmsg->rm_call.cb_cred.oa_length)
- + 2 * BYTES_PER_XDR_UNIT
- + RNDUP(cmsg->rm_call.cb_verf.oa_length));
- if (buf != NULL) {
- IXDR_PUT_LONG(buf, cmsg->rm_xid);
- IXDR_PUT_ENUM(buf, cmsg->rm_direction);
- if (cmsg->rm_direction != CALL) {
- return (FALSE);
- }
- IXDR_PUT_LONG(buf, cmsg->rm_call.cb_rpcvers);
- if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
- return (FALSE);
- }
- IXDR_PUT_LONG(buf, cmsg->rm_call.cb_prog);
- IXDR_PUT_LONG(buf, cmsg->rm_call.cb_vers);
- IXDR_PUT_LONG(buf, cmsg->rm_call.cb_proc);
- oa = &cmsg->rm_call.cb_cred;
- IXDR_PUT_ENUM(buf, oa->oa_flavor);
- IXDR_PUT_LONG(buf, oa->oa_length);
- if (oa->oa_length) {
- bcopy(oa->oa_base, (caddr_t)buf,
- (int) oa->oa_length);
- buf += RNDUP(oa->oa_length) / sizeof (long);
- }
- oa = &cmsg->rm_call.cb_verf;
- IXDR_PUT_ENUM(buf, oa->oa_flavor);
- IXDR_PUT_LONG(buf, oa->oa_length);
- if (oa->oa_length) {
- bcopy(oa->oa_base, (caddr_t)buf,
- (int) oa->oa_length);
- /* no real need....
- buf += RNDUP(oa->oa_length) / sizeof (long);
- */
- }
- return (TRUE);
- }
- }
- if (xdrs->x_op == XDR_DECODE) {
- buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT);
- if (buf != NULL) {
- cmsg->rm_xid = IXDR_GET_LONG(buf);
- cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type);
- if (cmsg->rm_direction != CALL) {
- return (FALSE);
- }
- cmsg->rm_call.cb_rpcvers = IXDR_GET_LONG(buf);
- if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
- return (FALSE);
- }
- cmsg->rm_call.cb_prog = IXDR_GET_LONG(buf);
- cmsg->rm_call.cb_vers = IXDR_GET_LONG(buf);
- cmsg->rm_call.cb_proc = IXDR_GET_LONG(buf);
- oa = &cmsg->rm_call.cb_cred;
- oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
- oa->oa_length = IXDR_GET_LONG(buf);
- if (oa->oa_length) {
- if (oa->oa_length > MAX_AUTH_BYTES) {
- return (FALSE);
- }
- if (oa->oa_base == NULL) {
- oa->oa_base = (caddr_t)
- mem_alloc(oa->oa_length);
- }
- buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
- if (buf == NULL) {
- if (xdr_opaque(xdrs, oa->oa_base,
- oa->oa_length) == FALSE) {
- return (FALSE);
- }
- } else {
- bcopy((caddr_t)buf, oa->oa_base,
- (int) oa->oa_length);
- /* no real need....
- buf += RNDUP(oa->oa_length) /
- sizeof (long);
- */
- }
- }
- oa = &cmsg->rm_call.cb_verf;
- buf = XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT);
- if (buf == NULL) {
- if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE ||
- xdr_u_int(xdrs, &oa->oa_length) == FALSE) {
- return (FALSE);
- }
- } else {
- oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
- oa->oa_length = IXDR_GET_LONG(buf);
- }
- if (oa->oa_length) {
- if (oa->oa_length > MAX_AUTH_BYTES) {
- return (FALSE);
- }
- if (oa->oa_base == NULL) {
- oa->oa_base = (caddr_t)
- mem_alloc(oa->oa_length);
- }
- buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
- if (buf == NULL) {
- if (xdr_opaque(xdrs, oa->oa_base,
- oa->oa_length) == FALSE) {
- return (FALSE);
- }
- } else {
- bcopy((caddr_t)buf, oa->oa_base,
- (int) oa->oa_length);
- /* no real need...
- buf += RNDUP(oa->oa_length) /
- sizeof (long);
- */
- }
- }
- return (TRUE);
- }
- }
- if (
- xdr_u_long(xdrs, &(cmsg->rm_xid)) &&
- xdr_enum(xdrs, (enum_t *)&(cmsg->rm_direction)) &&
- (cmsg->rm_direction == CALL) &&
- xdr_u_long(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
- (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) &&
- xdr_u_long(xdrs, &(cmsg->rm_call.cb_prog)) &&
- xdr_u_long(xdrs, &(cmsg->rm_call.cb_vers)) &&
- xdr_u_long(xdrs, &(cmsg->rm_call.cb_proc)) &&
- xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) )
- return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf)));
- return (FALSE);
- }