rpc_callmsg.c revision 1.6
1 /* $NetBSD: rpc_callmsg.c,v 1.6 1997/07/13 20:13:17 christos 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 1.6 1997/07/13 20:13:17 christos Exp $"); 39 #endif 40 #endif 41 42 /* 43 * rpc_callmsg.c 44 * 45 * Copyright (C) 1984, Sun Microsystems, Inc. 46 * 47 */ 48 49 #include <stdlib.h> 50 #include <string.h> 51 #include <sys/param.h> 52 53 #include <rpc/rpc.h> 54 55 /* 56 * XDR a call message 57 */ 58 bool_t 59 xdr_callmsg(xdrs, cmsg) 60 register XDR *xdrs; 61 register struct rpc_msg *cmsg; 62 { 63 register int32_t *buf; 64 register struct opaque_auth *oa; 65 66 if (xdrs->x_op == XDR_ENCODE) { 67 if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) { 68 return (FALSE); 69 } 70 if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) { 71 return (FALSE); 72 } 73 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT 74 + RNDUP(cmsg->rm_call.cb_cred.oa_length) 75 + 2 * BYTES_PER_XDR_UNIT 76 + RNDUP(cmsg->rm_call.cb_verf.oa_length)); 77 if (buf != NULL) { 78 IXDR_PUT_LONG(buf, cmsg->rm_xid); 79 IXDR_PUT_ENUM(buf, cmsg->rm_direction); 80 if (cmsg->rm_direction != CALL) { 81 return (FALSE); 82 } 83 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_rpcvers); 84 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) { 85 return (FALSE); 86 } 87 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_prog); 88 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_vers); 89 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_proc); 90 oa = &cmsg->rm_call.cb_cred; 91 IXDR_PUT_ENUM(buf, oa->oa_flavor); 92 IXDR_PUT_LONG(buf, oa->oa_length); 93 if (oa->oa_length) { 94 bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length); 95 buf += RNDUP(oa->oa_length) / sizeof (int32_t); 96 } 97 oa = &cmsg->rm_call.cb_verf; 98 IXDR_PUT_ENUM(buf, oa->oa_flavor); 99 IXDR_PUT_LONG(buf, oa->oa_length); 100 if (oa->oa_length) { 101 bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length); 102 /* no real need.... 103 buf += RNDUP(oa->oa_length) / sizeof (int32_t); 104 */ 105 } 106 return (TRUE); 107 } 108 } 109 if (xdrs->x_op == XDR_DECODE) { 110 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT); 111 if (buf != NULL) { 112 cmsg->rm_xid = IXDR_GET_LONG(buf); 113 cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type); 114 if (cmsg->rm_direction != CALL) { 115 return (FALSE); 116 } 117 cmsg->rm_call.cb_rpcvers = IXDR_GET_LONG(buf); 118 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) { 119 return (FALSE); 120 } 121 cmsg->rm_call.cb_prog = IXDR_GET_LONG(buf); 122 cmsg->rm_call.cb_vers = IXDR_GET_LONG(buf); 123 cmsg->rm_call.cb_proc = IXDR_GET_LONG(buf); 124 oa = &cmsg->rm_call.cb_cred; 125 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t); 126 oa->oa_length = IXDR_GET_LONG(buf); 127 if (oa->oa_length) { 128 if (oa->oa_length > MAX_AUTH_BYTES) { 129 return (FALSE); 130 } 131 if (oa->oa_base == NULL) { 132 oa->oa_base = (caddr_t) 133 mem_alloc(oa->oa_length); 134 } 135 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length)); 136 if (buf == NULL) { 137 if (xdr_opaque(xdrs, oa->oa_base, 138 oa->oa_length) == FALSE) { 139 return (FALSE); 140 } 141 } else { 142 bcopy((caddr_t)buf, oa->oa_base, 143 oa->oa_length); 144 /* no real need.... 145 buf += RNDUP(oa->oa_length) / 146 sizeof (int32_t); 147 */ 148 } 149 } 150 oa = &cmsg->rm_call.cb_verf; 151 buf = XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT); 152 if (buf == NULL) { 153 if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE || 154 xdr_u_int(xdrs, &oa->oa_length) == FALSE) { 155 return (FALSE); 156 } 157 } else { 158 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t); 159 oa->oa_length = IXDR_GET_LONG(buf); 160 } 161 if (oa->oa_length) { 162 if (oa->oa_length > MAX_AUTH_BYTES) { 163 return (FALSE); 164 } 165 if (oa->oa_base == NULL) { 166 oa->oa_base = (caddr_t) 167 mem_alloc(oa->oa_length); 168 } 169 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length)); 170 if (buf == NULL) { 171 if (xdr_opaque(xdrs, oa->oa_base, 172 oa->oa_length) == FALSE) { 173 return (FALSE); 174 } 175 } else { 176 bcopy((caddr_t)buf, oa->oa_base, 177 oa->oa_length); 178 /* no real need... 179 buf += RNDUP(oa->oa_length) / 180 sizeof (int32_t); 181 */ 182 } 183 } 184 return (TRUE); 185 } 186 } 187 if ( 188 xdr_u_int32_t(xdrs, &(cmsg->rm_xid)) && 189 xdr_enum(xdrs, (enum_t *)&(cmsg->rm_direction)) && 190 (cmsg->rm_direction == CALL) && 191 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_rpcvers)) && 192 (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) && 193 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_prog)) && 194 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_vers)) && 195 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_proc)) && 196 xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) ) 197 return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf))); 198 return (FALSE); 199 } 200 201
Indexes created Tue Sep 23 14:10:03 GMT 2025