1 /* $NetBSD: auth_none.c,v 1.10 1998/07/26 11:39:26 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 = "@(#)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 1.10 1998/07/26 11:39:26 mycroft 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 <stdlib.h> 53 54 #include <rpc/types.h> 55 #include <rpc/xdr.h> 56 #include <rpc/auth.h> 57 58 #ifdef __weak_alias 59 __weak_alias(authnone_create,_authnone_create); 60 #endif 61 62 #define MAX_MARSHEL_SIZE 20 63 64 /* 65 * Authenticator operations routines 66 */ 67 68 static bool_t authnone_marshal __P((AUTH *, XDR *)); 69 static void authnone_verf __P((AUTH *)); 70 static bool_t authnone_validate __P((AUTH *, struct opaque_auth *)); 71 static bool_t authnone_refresh __P((AUTH *)); 72 static void authnone_destroy __P((AUTH *)); 73 74 static const struct auth_ops ops = { 75 authnone_verf, 76 authnone_marshal, 77 authnone_validate, 78 authnone_refresh, 79 authnone_destroy 80 }; 81 82 static struct authnone_private { 83 AUTH no_client; 84 char marshalled_client[MAX_MARSHEL_SIZE]; 85 u_int mcnt; 86 } *authnone_private; 87 88 AUTH * 89 authnone_create() 90 { 91 struct authnone_private *ap = authnone_private; 92 XDR xdr_stream; 93 XDR *xdrs; 94 95 if (ap == 0) { 96 ap = (struct authnone_private *)calloc(1, sizeof (*ap)); 97 if (ap == 0) 98 return (0); 99 authnone_private = ap; 100 } 101 if (!ap->mcnt) { 102 ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth; 103 ap->no_client.ah_ops = &ops; 104 xdrs = &xdr_stream; 105 xdrmem_create(xdrs, ap->marshalled_client, (u_int)MAX_MARSHEL_SIZE, 106 XDR_ENCODE); 107 (void)xdr_opaque_auth(xdrs, &ap->no_client.ah_cred); 108 (void)xdr_opaque_auth(xdrs, &ap->no_client.ah_verf); 109 ap->mcnt = XDR_GETPOS(xdrs); 110 XDR_DESTROY(xdrs); 111 } 112 return (&ap->no_client); 113 } 114 115 /*ARGSUSED*/ 116 static bool_t 117 authnone_marshal(client, xdrs) 118 AUTH *client; 119 XDR *xdrs; 120 { 121 struct authnone_private *ap = authnone_private; 122 123 if (ap == 0) 124 return (0); 125 return ((*xdrs->x_ops->x_putbytes)(xdrs, 126 ap->marshalled_client, ap->mcnt)); 127 } 128 129 /*ARGSUSED*/ 130 static void 131 authnone_verf(client) 132 AUTH *client; 133 { 134 } 135 136 /*ARGSUSED*/ 137 static bool_t 138 authnone_validate(client, auth) 139 AUTH *client; 140 struct opaque_auth *auth; 141 { 142 143 return (TRUE); 144 } 145 146 /*ARGSUSED*/ 147 static bool_t 148 authnone_refresh(client) 149 AUTH *client; 150 { 151 152 return (FALSE); 153 } 154 155 /*ARGSUSED*/ 156 static void 157 authnone_destroy(client) 158 AUTH *client; 159 { 160 } 161