/* @(#)rpc_callmsg.c 2.1 88/07/29 4.0 RPCSRC */ /* * Copyright (c) 2010, Oracle America, Inc. * * All rights reserved. * * 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. */ #if !defined(lint) && defined(SCCSIDS) static char sccsid[] = "@(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro"; #endif /* * rpc_callmsg.c */ #include #include #include /* * XDR a call message */ bool_t xdr_callmsg(XDR *xdrs, struct rpc_msg *cmsg) { rpc_inline_t *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 = (rpc_inline_t *) XDR_INLINE(xdrs, (int) ( 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) { memmove((caddr_t)buf, oa->oa_base, oa->oa_length); buf += RNDUP(oa->oa_length) / BYTES_PER_XDR_UNIT; } oa = &cmsg->rm_call.cb_verf; IXDR_PUT_ENUM(buf, oa->oa_flavor); IXDR_PUT_LONG(buf, oa->oa_length); if (oa->oa_length) { memmove((caddr_t)buf, oa->oa_base, oa->oa_length); /* no real need.... buf += RNDUP(oa->oa_length) / BYTES_PER_XDR_UNIT; */ } return (TRUE); } } if (xdrs->x_op == XDR_DECODE) { buf = (rpc_inline_t *) 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 = (rpc_inline_t *) XDR_INLINE(xdrs, (int)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, (caddr_t)buf, oa->oa_length); /* no real need.... buf += RNDUP(oa->oa_length) / BYTES_PER_XDR_UNIT; */ } } oa = &cmsg->rm_call.cb_verf; buf = (rpc_inline_t *) 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 = (rpc_inline_t *) XDR_INLINE(xdrs, (int)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, (caddr_t) buf, oa->oa_length); /* no real need... buf += RNDUP(oa->oa_length) / BYTES_PER_XDR_UNIT; */ } } return (TRUE); } } if ( xdr_u_int32(xdrs, &(cmsg->rm_xid)) && xdr_enum(xdrs, (enum_t *)&(cmsg->rm_direction)) && (cmsg->rm_direction == CALL) && xdr_u_int32(xdrs, &(cmsg->rm_call.cb_rpcvers)) && (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) && xdr_u_int32(xdrs, &(cmsg->rm_call.cb_prog)) && xdr_u_int32(xdrs, &(cmsg->rm_call.cb_vers)) && xdr_u_int32(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); }