159 lines
4.2 KiB
C
159 lines
4.2 KiB
C
#if !defined(lint) && defined(SCCSIDS)
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static char sccsid[] = "@(#)rpc_callmsg.c 1.1 92/07/30 Copyr 1984 Sun Micro";
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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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#ifdef KERNEL
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#include <rpc/types.h> /* spell 'em out for make depend */
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#include <rpc/xdr.h>
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#include <rpc/auth.h>
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#include <rpc/clnt.h>
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#include <rpc/rpc_msg.h>
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#include <netinet/in.h>
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#else
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#include <rpc/rpc.h>
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#endif
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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 long *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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bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length);
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buf += RNDUP(oa->oa_length) / sizeof (long);
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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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bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length);
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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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bcopy((caddr_t)buf, oa->oa_base,
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oa->oa_length);
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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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bcopy((caddr_t)buf, oa->oa_base,
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oa->oa_length);
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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_long(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_long(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
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(cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) &&
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xdr_u_long(xdrs, &(cmsg->rm_call.cb_prog)) &&
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xdr_u_long(xdrs, &(cmsg->rm_call.cb_vers)) &&
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xdr_u_long(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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