/* @(#)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 /* * rpc_callmsg.c * * Copyright (C) 1984, Sun Microsystems, Inc. * */ #include <string.h> #include <sys/param.h> #include <rpc/rpc.h> /* * XDR a call message */ bool_t xdr_callmsg (XDR *xdrs, struct rpc_msg *cmsg) { int32_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 = 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_INT32 (buf, oa->oa_length); if (oa->oa_length) { memcpy ((caddr_t) buf, oa->oa_base, oa->oa_length); buf = (int32_t *) ((char *) buf + RNDUP (oa->oa_length)); } oa = &cmsg->rm_call.cb_verf; IXDR_PUT_ENUM (buf, oa->oa_flavor); IXDR_PUT_INT32 (buf, oa->oa_length); if (oa->oa_length) { memcpy ((caddr_t) buf, oa->oa_base, oa->oa_length); /* no real need.... buf = (long *) ((char *) buf + RNDUP(oa->oa_length)); */ } 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_INT32 (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 (INTUSE(xdr_opaque) (xdrs, oa->oa_base, oa->oa_length) == FALSE) return FALSE; } else { memcpy (oa->oa_base, (caddr_t) buf, oa->oa_length); /* no real need.... buf = (long *) ((char *) buf + RNDUP(oa->oa_length)); */ } } oa = &cmsg->rm_call.cb_verf; buf = XDR_INLINE (xdrs, 2 * BYTES_PER_XDR_UNIT); if (buf == NULL) { if (INTUSE(xdr_enum) (xdrs, &oa->oa_flavor) == FALSE || INTUSE(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_INT32 (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 (INTUSE(xdr_opaque) (xdrs, oa->oa_base, oa->oa_length) == FALSE) return FALSE; } else { memcpy (oa->oa_base, (caddr_t) buf, oa->oa_length); /* no real need... buf = (long *) ((char *) buf + RNDUP(oa->oa_length)); */ } } return TRUE; } } if ( INTUSE(xdr_u_long) (xdrs, &(cmsg->rm_xid)) && INTUSE(xdr_enum) (xdrs, (enum_t *) & (cmsg->rm_direction)) && (cmsg->rm_direction == CALL) && INTUSE(xdr_u_long) (xdrs, &(cmsg->rm_call.cb_rpcvers)) && (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) && INTUSE(xdr_u_long) (xdrs, &(cmsg->rm_call.cb_prog)) && INTUSE(xdr_u_long) (xdrs, &(cmsg->rm_call.cb_vers)) && INTUSE(xdr_u_long) (xdrs, &(cmsg->rm_call.cb_proc)) && INTUSE(xdr_opaque_auth) (xdrs, &(cmsg->rm_call.cb_cred))) return INTUSE(xdr_opaque_auth) (xdrs, &(cmsg->rm_call.cb_verf)); return FALSE; } INTDEF(xdr_callmsg)