rpc_callmsg.c revision 1.4.4.1
1 /* $NetBSD: rpc_callmsg.c,v 1.4.4.1 1996/09/16 23:44:32 jtc Exp $ */ 2 3 /* 4 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 5 * unrestricted use provided that this legend is included on all tape 6 * media and as a part of the software program in whole or part. Users 7 * may copy or modify Sun RPC without charge, but are not authorized 8 * to license or distribute it to anyone else except as part of a product or 9 * program developed by the user. 10 * 11 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 12 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 13 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 14 * 15 * Sun RPC is provided with no support and without any obligation on the 16 * part of Sun Microsystems, Inc. to assist in its use, correction, 17 * modification or enhancement. 18 * 19 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 20 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 21 * OR ANY PART THEREOF. 22 * 23 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 24 * or profits or other special, indirect and consequential damages, even if 25 * Sun has been advised of the possibility of such damages. 26 * 27 * Sun Microsystems, Inc. 28 * 2550 Garcia Avenue 29 * Mountain View, California 94043 30 */ 31 32 #if defined(LIBC_SCCS) && !defined(lint) 33 /*static char *sccsid = "from: @(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro";*/ 34 /*static char *sccsid = "from: @(#)rpc_callmsg.c 2.1 88/07/29 4.0 RPCSRC";*/ 35 static char *rcsid = "$NetBSD: rpc_callmsg.c,v 1.4.4.1 1996/09/16 23:44:32 jtc Exp $"; 36 #endif 37 38 /* 39 * rpc_callmsg.c 40 * 41 * Copyright (C) 1984, Sun Microsystems, Inc. 42 * 43 */ 44 45 #include "namespace.h" 46 #include <stdlib.h> 47 #include <sys/param.h> 48 #include <rpc/rpc.h> 49 50 #ifdef __weak_alias 51 __weak_alias(xdr_callmsg,_xdr_callmsg); 52 #endif 53 54 /* 55 * XDR a call message 56 */ 57 bool_t 58 xdr_callmsg(xdrs, cmsg) 59 register XDR *xdrs; 60 register struct rpc_msg *cmsg; 61 { 62 register int32_t *buf; 63 register struct opaque_auth *oa; 64 65 if (xdrs->x_op == XDR_ENCODE) { 66 if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) { 67 return (FALSE); 68 } 69 if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) { 70 return (FALSE); 71 } 72 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT 73 + RNDUP(cmsg->rm_call.cb_cred.oa_length) 74 + 2 * BYTES_PER_XDR_UNIT 75 + RNDUP(cmsg->rm_call.cb_verf.oa_length)); 76 if (buf != NULL) { 77 IXDR_PUT_LONG(buf, cmsg->rm_xid); 78 IXDR_PUT_ENUM(buf, cmsg->rm_direction); 79 if (cmsg->rm_direction != CALL) { 80 return (FALSE); 81 } 82 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_rpcvers); 83 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) { 84 return (FALSE); 85 } 86 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_prog); 87 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_vers); 88 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_proc); 89 oa = &cmsg->rm_call.cb_cred; 90 IXDR_PUT_ENUM(buf, oa->oa_flavor); 91 IXDR_PUT_LONG(buf, oa->oa_length); 92 if (oa->oa_length) { 93 bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length); 94 buf += RNDUP(oa->oa_length) / sizeof (int32_t); 95 } 96 oa = &cmsg->rm_call.cb_verf; 97 IXDR_PUT_ENUM(buf, oa->oa_flavor); 98 IXDR_PUT_LONG(buf, oa->oa_length); 99 if (oa->oa_length) { 100 bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length); 101 /* no real need.... 102 buf += RNDUP(oa->oa_length) / sizeof (int32_t); 103 */ 104 } 105 return (TRUE); 106 } 107 } 108 if (xdrs->x_op == XDR_DECODE) { 109 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT); 110 if (buf != NULL) { 111 cmsg->rm_xid = IXDR_GET_LONG(buf); 112 cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type); 113 if (cmsg->rm_direction != CALL) { 114 return (FALSE); 115 } 116 cmsg->rm_call.cb_rpcvers = IXDR_GET_LONG(buf); 117 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) { 118 return (FALSE); 119 } 120 cmsg->rm_call.cb_prog = IXDR_GET_LONG(buf); 121 cmsg->rm_call.cb_vers = IXDR_GET_LONG(buf); 122 cmsg->rm_call.cb_proc = IXDR_GET_LONG(buf); 123 oa = &cmsg->rm_call.cb_cred; 124 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t); 125 oa->oa_length = IXDR_GET_LONG(buf); 126 if (oa->oa_length) { 127 if (oa->oa_length > MAX_AUTH_BYTES) { 128 return (FALSE); 129 } 130 if (oa->oa_base == NULL) { 131 oa->oa_base = (caddr_t) 132 mem_alloc(oa->oa_length); 133 } 134 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length)); 135 if (buf == NULL) { 136 if (xdr_opaque(xdrs, oa->oa_base, 137 oa->oa_length) == FALSE) { 138 return (FALSE); 139 } 140 } else { 141 bcopy((caddr_t)buf, oa->oa_base, 142 oa->oa_length); 143 /* no real need.... 144 buf += RNDUP(oa->oa_length) / 145 sizeof (int32_t); 146 */ 147 } 148 } 149 oa = &cmsg->rm_call.cb_verf; 150 buf = XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT); 151 if (buf == NULL) { 152 if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE || 153 xdr_u_int(xdrs, &oa->oa_length) == FALSE) { 154 return (FALSE); 155 } 156 } else { 157 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t); 158 oa->oa_length = IXDR_GET_LONG(buf); 159 } 160 if (oa->oa_length) { 161 if (oa->oa_length > MAX_AUTH_BYTES) { 162 return (FALSE); 163 } 164 if (oa->oa_base == NULL) { 165 oa->oa_base = (caddr_t) 166 mem_alloc(oa->oa_length); 167 } 168 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length)); 169 if (buf == NULL) { 170 if (xdr_opaque(xdrs, oa->oa_base, 171 oa->oa_length) == FALSE) { 172 return (FALSE); 173 } 174 } else { 175 bcopy((caddr_t)buf, oa->oa_base, 176 oa->oa_length); 177 /* no real need... 178 buf += RNDUP(oa->oa_length) / 179 sizeof (int32_t); 180 */ 181 } 182 } 183 return (TRUE); 184 } 185 } 186 if ( 187 xdr_u_int32_t(xdrs, &(cmsg->rm_xid)) && 188 xdr_enum(xdrs, (enum_t *)&(cmsg->rm_direction)) && 189 (cmsg->rm_direction == CALL) && 190 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_rpcvers)) && 191 (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) && 192 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_prog)) && 193 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_vers)) && 194 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_proc)) && 195 xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) ) 196 return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf))); 197 return (FALSE); 198 } 199
Indexes created Tue Sep 30 20:09:53 GMT 2025