rpc_callmsg.c revision 1.7
1 /* $NetBSD: rpc_callmsg.c,v 1.7 1997/07/21 14:08:35 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 #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 1.7 1997/07/21 14:08:35 jtc 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 #include <stdlib.h> 51 #include <string.h> 52 #include <sys/param.h> 53 #include <rpc/rpc.h> 54 55 #ifdef __weak_alias 56 __weak_alias(xdr_callmsg,_xdr_callmsg); 57 #endif 58 59 /* 60 * XDR a call message 61 */ 62 bool_t 63 xdr_callmsg(xdrs, cmsg) 64 register XDR *xdrs; 65 register struct rpc_msg *cmsg; 66 { 67 register int32_t *buf; 68 register struct opaque_auth *oa; 69 70 if (xdrs->x_op == XDR_ENCODE) { 71 if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) { 72 return (FALSE); 73 } 74 if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) { 75 return (FALSE); 76 } 77 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT 78 + RNDUP(cmsg->rm_call.cb_cred.oa_length) 79 + 2 * BYTES_PER_XDR_UNIT 80 + RNDUP(cmsg->rm_call.cb_verf.oa_length)); 81 if (buf != NULL) { 82 IXDR_PUT_LONG(buf, cmsg->rm_xid); 83 IXDR_PUT_ENUM(buf, cmsg->rm_direction); 84 if (cmsg->rm_direction != CALL) { 85 return (FALSE); 86 } 87 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_rpcvers); 88 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) { 89 return (FALSE); 90 } 91 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_prog); 92 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_vers); 93 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_proc); 94 oa = &cmsg->rm_call.cb_cred; 95 IXDR_PUT_ENUM(buf, oa->oa_flavor); 96 IXDR_PUT_LONG(buf, oa->oa_length); 97 if (oa->oa_length) { 98 bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length); 99 buf += RNDUP(oa->oa_length) / sizeof (int32_t); 100 } 101 oa = &cmsg->rm_call.cb_verf; 102 IXDR_PUT_ENUM(buf, oa->oa_flavor); 103 IXDR_PUT_LONG(buf, oa->oa_length); 104 if (oa->oa_length) { 105 bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length); 106 /* no real need.... 107 buf += RNDUP(oa->oa_length) / sizeof (int32_t); 108 */ 109 } 110 return (TRUE); 111 } 112 } 113 if (xdrs->x_op == XDR_DECODE) { 114 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT); 115 if (buf != NULL) { 116 cmsg->rm_xid = IXDR_GET_LONG(buf); 117 cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type); 118 if (cmsg->rm_direction != CALL) { 119 return (FALSE); 120 } 121 cmsg->rm_call.cb_rpcvers = IXDR_GET_LONG(buf); 122 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) { 123 return (FALSE); 124 } 125 cmsg->rm_call.cb_prog = IXDR_GET_LONG(buf); 126 cmsg->rm_call.cb_vers = IXDR_GET_LONG(buf); 127 cmsg->rm_call.cb_proc = IXDR_GET_LONG(buf); 128 oa = &cmsg->rm_call.cb_cred; 129 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t); 130 oa->oa_length = IXDR_GET_LONG(buf); 131 if (oa->oa_length) { 132 if (oa->oa_length > MAX_AUTH_BYTES) { 133 return (FALSE); 134 } 135 if (oa->oa_base == NULL) { 136 oa->oa_base = (caddr_t) 137 mem_alloc(oa->oa_length); 138 } 139 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length)); 140 if (buf == NULL) { 141 if (xdr_opaque(xdrs, oa->oa_base, 142 oa->oa_length) == FALSE) { 143 return (FALSE); 144 } 145 } else { 146 bcopy((caddr_t)buf, oa->oa_base, 147 oa->oa_length); 148 /* no real need.... 149 buf += RNDUP(oa->oa_length) / 150 sizeof (int32_t); 151 */ 152 } 153 } 154 oa = &cmsg->rm_call.cb_verf; 155 buf = XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT); 156 if (buf == NULL) { 157 if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE || 158 xdr_u_int(xdrs, &oa->oa_length) == FALSE) { 159 return (FALSE); 160 } 161 } else { 162 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t); 163 oa->oa_length = IXDR_GET_LONG(buf); 164 } 165 if (oa->oa_length) { 166 if (oa->oa_length > MAX_AUTH_BYTES) { 167 return (FALSE); 168 } 169 if (oa->oa_base == NULL) { 170 oa->oa_base = (caddr_t) 171 mem_alloc(oa->oa_length); 172 } 173 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length)); 174 if (buf == NULL) { 175 if (xdr_opaque(xdrs, oa->oa_base, 176 oa->oa_length) == FALSE) { 177 return (FALSE); 178 } 179 } else { 180 bcopy((caddr_t)buf, oa->oa_base, 181 oa->oa_length); 182 /* no real need... 183 buf += RNDUP(oa->oa_length) / 184 sizeof (int32_t); 185 */ 186 } 187 } 188 return (TRUE); 189 } 190 } 191 if ( 192 xdr_u_int32_t(xdrs, &(cmsg->rm_xid)) && 193 xdr_enum(xdrs, (enum_t *)&(cmsg->rm_direction)) && 194 (cmsg->rm_direction == CALL) && 195 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_rpcvers)) && 196 (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) && 197 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_prog)) && 198 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_vers)) && 199 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_proc)) && 200 xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) ) 201 return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf))); 202 return (FALSE); 203 } 204 205
Indexes created Tue Sep 23 14:10:03 GMT 2025