GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libc/rpc/rpc_callmsg.c Lines: 0 93 0.0 %
Date: 2017-11-13 Branches: 0 72 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: rpc_callmsg.c,v 1.12 2015/09/13 15:36:56 guenther Exp $ */
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/*
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 * Copyright (c) 2010, Oracle America, Inc.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are
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 * met:
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 *
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 *     * Redistributions of source code must retain the above copyright
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 *       notice, this list of conditions and the following disclaimer.
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 *     * Redistributions in binary form must reproduce the above
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 *       copyright notice, this list of conditions and the following
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 *       disclaimer in the documentation and/or other materials
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 *       provided with the distribution.
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 *     * Neither the name of the "Oracle America, Inc." nor the names of its
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 *       contributors may be used to endorse or promote products derived
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 *       from this software without specific prior written permission.
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 *
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 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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 *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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 *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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 *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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 *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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 *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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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(XDR *xdrs, struct rpc_msg *cmsg)
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{
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	int32_t *buf;
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	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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					if (oa->oa_base == NULL)
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						return (FALSE);
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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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					if (oa->oa_base == NULL)
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						return (FALSE);
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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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DEF_WEAK(xdr_callmsg);