rpc_callmsg.c revision 1.15
1 /* $NetBSD: rpc_callmsg.c,v 1.15 2000/01/22 22:19:18 mycroft 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 #include <sys/cdefs.h> 33 #if defined(LIBC_SCCS) && !defined(lint) 34 #if 0 35 static char *sccsid = "@(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro"; 36 static char *sccsid = "@(#)rpc_callmsg.c 2.1 88/07/29 4.0 RPCSRC"; 37 #else 38 __RCSID("$NetBSD: rpc_callmsg.c,v 1.15 2000/01/22 22:19:18 mycroft Exp $"); 39 #endif 40 #endif 41 42 /* 43 * rpc_callmsg.c 44 * 45 * Copyright (C) 1984, Sun Microsystems, Inc. 46 * 47 */ 48 49 #include "namespace.h" 50 51 #include <sys/param.h> 52 53 #include <assert.h> 54 #include <stdlib.h> 55 #include <string.h> 56 57 #include <rpc/rpc.h> 58 59 #ifdef __weak_alias 60 __weak_alias(xdr_callmsg,_xdr_callmsg) 61 #endif 62 63 /* 64 * XDR a call message 65 */ 66 bool_t 67 xdr_callmsg(xdrs, cmsg) 68 XDR *xdrs; 69 struct rpc_msg *cmsg; 70 { 71 int32_t *buf; 72 struct opaque_auth *oa; 73 74 _DIAGASSERT(xdrs != NULL); 75 _DIAGASSERT(cmsg != NULL); 76 77 if (xdrs->x_op == XDR_ENCODE) { 78 if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) { 79 return (FALSE); 80 } 81 if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) { 82 return (FALSE); 83 } 84 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT 85 + RNDUP(cmsg->rm_call.cb_cred.oa_length) 86 + 2 * BYTES_PER_XDR_UNIT 87 + RNDUP(cmsg->rm_call.cb_verf.oa_length)); 88 if (buf != NULL) { 89 IXDR_PUT_LONG(buf, cmsg->rm_xid); 90 IXDR_PUT_ENUM(buf, cmsg->rm_direction); 91 if (cmsg->rm_direction != CALL) { 92 return (FALSE); 93 } 94 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_rpcvers); 95 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) { 96 return (FALSE); 97 } 98 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_prog); 99 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_vers); 100 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_proc); 101 oa = &cmsg->rm_call.cb_cred; 102 IXDR_PUT_ENUM(buf, oa->oa_flavor); 103 IXDR_PUT_LONG(buf, oa->oa_length); 104 if (oa->oa_length) { 105 memmove(buf, oa->oa_base, oa->oa_length); 106 buf += RNDUP(oa->oa_length) / sizeof (int32_t); 107 } 108 oa = &cmsg->rm_call.cb_verf; 109 IXDR_PUT_ENUM(buf, oa->oa_flavor); 110 IXDR_PUT_LONG(buf, oa->oa_length); 111 if (oa->oa_length) { 112 memmove(buf, oa->oa_base, oa->oa_length); 113 /* no real need.... 114 buf += RNDUP(oa->oa_length) / sizeof (int32_t); 115 */ 116 } 117 return (TRUE); 118 } 119 } 120 if (xdrs->x_op == XDR_DECODE) { 121 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT); 122 if (buf != NULL) { 123 cmsg->rm_xid = (u_int32_t)IXDR_GET_LONG(buf); 124 cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type); 125 if (cmsg->rm_direction != CALL) { 126 return (FALSE); 127 } 128 cmsg->rm_call.cb_rpcvers = 129 (u_int32_t)IXDR_GET_LONG(buf); 130 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) { 131 return (FALSE); 132 } 133 cmsg->rm_call.cb_prog = 134 (u_int32_t)IXDR_GET_LONG(buf); 135 cmsg->rm_call.cb_vers = 136 (u_int32_t)IXDR_GET_LONG(buf); 137 cmsg->rm_call.cb_proc = 138 (u_int32_t)IXDR_GET_LONG(buf); 139 oa = &cmsg->rm_call.cb_cred; 140 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t); 141 oa->oa_length = (u_int)IXDR_GET_LONG(buf); 142 if (oa->oa_length) { 143 if (oa->oa_length > MAX_AUTH_BYTES) { 144 return (FALSE); 145 } 146 if (oa->oa_base == NULL) { 147 oa->oa_base = (caddr_t) 148 mem_alloc(oa->oa_length); 149 if (oa->oa_base == NULL) 150 return (FALSE); 151 } 152 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length)); 153 if (buf == NULL) { 154 if (xdr_opaque(xdrs, oa->oa_base, 155 oa->oa_length) == FALSE) { 156 return (FALSE); 157 } 158 } else { 159 memmove(oa->oa_base, buf, 160 oa->oa_length); 161 /* no real need.... 162 buf += RNDUP(oa->oa_length) / 163 sizeof (int32_t); 164 */ 165 } 166 } 167 oa = &cmsg->rm_call.cb_verf; 168 buf = XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT); 169 if (buf == NULL) { 170 if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE || 171 xdr_u_int(xdrs, &oa->oa_length) == FALSE) { 172 return (FALSE); 173 } 174 } else { 175 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t); 176 oa->oa_length = (u_int)IXDR_GET_LONG(buf); 177 } 178 if (oa->oa_length) { 179 if (oa->oa_length > MAX_AUTH_BYTES) { 180 return (FALSE); 181 } 182 if (oa->oa_base == NULL) { 183 oa->oa_base = (caddr_t) 184 mem_alloc(oa->oa_length); 185 if (oa->oa_base == NULL) 186 return (FALSE); 187 } 188 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length)); 189 if (buf == NULL) { 190 if (xdr_opaque(xdrs, oa->oa_base, 191 oa->oa_length) == FALSE) { 192 return (FALSE); 193 } 194 } else { 195 memmove(oa->oa_base, buf, 196 oa->oa_length); 197 /* no real need... 198 buf += RNDUP(oa->oa_length) / 199 sizeof (int32_t); 200 */ 201 } 202 } 203 return (TRUE); 204 } 205 } 206 if ( 207 xdr_u_int32_t(xdrs, &(cmsg->rm_xid)) && 208 xdr_enum(xdrs, (enum_t *)&(cmsg->rm_direction)) && 209 (cmsg->rm_direction == CALL) && 210 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_rpcvers)) && 211 (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) && 212 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_prog)) && 213 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_vers)) && 214 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_proc)) && 215 xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) ) 216 return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf))); 217 return (FALSE); 218 } 219
Indexes created Thu Sep 25 16:09:42 GMT 2025