1 /* $NetBSD: auth_none.c,v 1.15 2012/03/20 17:14:50 matt 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 = "@(#)auth_none.c 1.19 87/08/11 Copyr 1984 Sun Micro"; 36 static char *sccsid = "@(#)auth_none.c 2.1 88/07/29 4.0 RPCSRC"; 37 #else 38 __RCSID("$NetBSD: auth_none.c,v 1.15 2012/03/20 17:14:50 matt Exp $"); 39 #endif 40 #endif 41 42 /* 43 * auth_none.c 44 * Creates a client authentication handle for passing "null" 45 * credentials and verifiers to remote systems. 46 * 47 * Copyright (C) 1984, Sun Microsystems, Inc. 48 */ 49 50 #include "namespace.h" 51 52 #include <assert.h> 53 #include <stdlib.h> 54 55 #include <rpc/types.h> 56 #include <rpc/xdr.h> 57 #include <rpc/auth.h> 58 59 #ifdef __weak_alias 60 __weak_alias(authnone_create,_authnone_create) 61 #endif 62 63 #define MAX_MARSHAL_SIZE 20 64 65 /* 66 * Authenticator operations routines 67 */ 68 69 static bool_t authnone_marshal(AUTH *, XDR *); 70 static void authnone_verf(AUTH *); 71 static bool_t authnone_validate(AUTH *, struct opaque_auth *); 72 static bool_t authnone_refresh(AUTH *); 73 static void authnone_destroy(AUTH *); 74 75 static const struct auth_ops ops = { 76 authnone_verf, 77 authnone_marshal, 78 authnone_validate, 79 authnone_refresh, 80 authnone_destroy 81 }; 82 83 static struct authnone_private { 84 AUTH no_client; 85 char marshalled_client[MAX_MARSHAL_SIZE]; 86 u_int mcnt; 87 } *authnone_private; 88 89 AUTH * 90 authnone_create(void) 91 { 92 struct authnone_private *ap = authnone_private; 93 XDR xdr_stream; 94 XDR *xdrs; 95 96 if (ap == 0) { 97 ap = (struct authnone_private *)calloc(1, sizeof (*ap)); 98 if (ap == 0) 99 return (0); 100 authnone_private = ap; 101 } 102 if (!ap->mcnt) { 103 ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth; 104 ap->no_client.ah_ops = &ops; 105 xdrs = &xdr_stream; 106 xdrmem_create(xdrs, ap->marshalled_client, 107 (u_int)MAX_MARSHAL_SIZE, XDR_ENCODE); 108 (void)xdr_opaque_auth(xdrs, &ap->no_client.ah_cred); 109 (void)xdr_opaque_auth(xdrs, &ap->no_client.ah_verf); 110 ap->mcnt = XDR_GETPOS(xdrs); 111 XDR_DESTROY(xdrs); 112 } 113 return (&ap->no_client); 114 } 115 116 /*ARGSUSED*/ 117 static bool_t 118 authnone_marshal(AUTH *client, XDR *xdrs) 119 { 120 struct authnone_private *ap = authnone_private; 121 122 _DIAGASSERT(xdrs != NULL); 123 124 if (ap == 0) 125 return (0); 126 return ((*xdrs->x_ops->x_putbytes)(xdrs, 127 ap->marshalled_client, ap->mcnt)); 128 } 129 130 /*ARGSUSED*/ 131 static void 132 authnone_verf(AUTH *client) 133 { 134 } 135 136 /*ARGSUSED*/ 137 static bool_t 138 authnone_validate(AUTH *client, struct opaque_auth *auth) 139 { 140 141 return (TRUE); 142 } 143 144 /*ARGSUSED*/ 145 static bool_t 146 authnone_refresh(AUTH *client) 147 { 148 149 return (FALSE); 150 } 151 152 /*ARGSUSED*/ 153 static void 154 authnone_destroy(AUTH *client) 155 { 156 } 157