/* $NetBSD: rpc_callmsg.c,v 1.20 2013/03/11 20:19:29 tron Exp $ */ /* * Copyright (c) 2010, Oracle America, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * Neither the name of the "Oracle America, Inc." nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #if defined(LIBC_SCCS) && !defined(lint) #if 0 static char *sccsid = "@(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro"; static char *sccsid = "@(#)rpc_callmsg.c 2.1 88/07/29 4.0 RPCSRC"; #else __RCSID("$NetBSD: rpc_callmsg.c,v 1.20 2013/03/11 20:19:29 tron Exp $"); #endif #endif /* * rpc_callmsg.c * * Copyright (C) 1984, Sun Microsystems, Inc. * */ #include "namespace.h" #include #include #include #include #include #ifdef __weak_alias __weak_alias(xdr_callmsg,_xdr_callmsg) #endif /* * XDR a call message */ bool_t xdr_callmsg(XDR *xdrs, struct rpc_msg *cmsg) { int32_t *buf; struct opaque_auth *oa; _DIAGASSERT(xdrs != NULL); _DIAGASSERT(cmsg != NULL); 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_INT32(buf, cmsg->rm_xid); IXDR_PUT_ENUM(buf, cmsg->rm_direction); if (cmsg->rm_direction != CALL) { return (FALSE); } IXDR_PUT_INT32(buf, cmsg->rm_call.cb_rpcvers); if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) { return (FALSE); } IXDR_PUT_INT32(buf, cmsg->rm_call.cb_prog); IXDR_PUT_INT32(buf, cmsg->rm_call.cb_vers); IXDR_PUT_INT32(buf, cmsg->rm_call.cb_proc); oa = &cmsg->rm_call.cb_cred; IXDR_PUT_ENUM(buf, oa->oa_flavor); IXDR_PUT_INT32(buf, oa->oa_length); if (oa->oa_length) { memmove(buf, oa->oa_base, oa->oa_length); buf += RNDUP(oa->oa_length) / sizeof (int32_t); } oa = &cmsg->rm_call.cb_verf; IXDR_PUT_ENUM(buf, oa->oa_flavor); IXDR_PUT_INT32(buf, oa->oa_length); if (oa->oa_length) { memmove(buf, oa->oa_base, oa->oa_length); /* no real need.... buf += RNDUP(oa->oa_length) / sizeof (int32_t); */ } 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_U_INT32(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_U_INT32(buf); if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) { return (FALSE); } cmsg->rm_call.cb_prog = IXDR_GET_U_INT32(buf); cmsg->rm_call.cb_vers = IXDR_GET_U_INT32(buf); cmsg->rm_call.cb_proc = IXDR_GET_U_INT32(buf); oa = &cmsg->rm_call.cb_cred; oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t); oa->oa_length = (u_int)IXDR_GET_U_INT32(buf); if (oa->oa_length) { if (oa->oa_length > MAX_AUTH_BYTES) { return (FALSE); } if (oa->oa_base == NULL) { oa->oa_base = mem_alloc(oa->oa_length); if (oa->oa_base == NULL) return (FALSE); } 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 { memmove(oa->oa_base, buf, oa->oa_length); /* no real need.... buf += RNDUP(oa->oa_length) / sizeof (int32_t); */ } } 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 = (u_int)IXDR_GET_U_INT32(buf); } if (oa->oa_length) { if (oa->oa_length > MAX_AUTH_BYTES) { return (FALSE); } if (oa->oa_base == NULL) { oa->oa_base = mem_alloc(oa->oa_length); if (oa->oa_base == NULL) return (FALSE); } 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 { memmove(oa->oa_base, buf, oa->oa_length); /* no real need... buf += RNDUP(oa->oa_length) / sizeof (int32_t); */ } } return (TRUE); } } if ( xdr_u_int32_t(xdrs, &(cmsg->rm_xid)) && xdr_enum(xdrs, (enum_t *)(void *)&(cmsg->rm_direction)) && (cmsg->rm_direction == CALL) && xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_rpcvers)) && (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) && xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_prog)) && xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_vers)) && xdr_u_int32_t(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); }