1 /* $NetBSD: auth_none.c,v 1.5 1997/07/21 14:08:19 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 = "@(#)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 1.5 1997/07/21 14:08:19 jtc 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 #include <stdlib.h> 52 #include <rpc/types.h> 53 #include <rpc/xdr.h> 54 #include <rpc/auth.h> 55 56 #ifdef __weak_alias 57 __weak_alias(authnone_create,_authnone_create); 58 #endif 59 60 #define MAX_MARSHEL_SIZE 20 61 62 /* 63 * Authenticator operations routines 64 */ 65 66 static bool_t authnone_marshal __P((AUTH *, XDR *)); 67 static void authnone_verf __P((AUTH *)); 68 static bool_t authnone_validate __P((AUTH *, struct opaque_auth *)); 69 static bool_t authnone_refresh __P((AUTH *)); 70 static void authnone_destroy __P((AUTH *)); 71 72 static struct auth_ops ops = { 73 authnone_verf, 74 authnone_marshal, 75 authnone_validate, 76 authnone_refresh, 77 authnone_destroy 78 }; 79 80 static struct authnone_private { 81 AUTH no_client; 82 char marshalled_client[MAX_MARSHEL_SIZE]; 83 u_int mcnt; 84 } *authnone_private; 85 86 AUTH * 87 authnone_create() 88 { 89 register struct authnone_private *ap = authnone_private; 90 XDR xdr_stream; 91 register XDR *xdrs; 92 93 if (ap == 0) { 94 ap = (struct authnone_private *)calloc(1, sizeof (*ap)); 95 if (ap == 0) 96 return (0); 97 authnone_private = ap; 98 } 99 if (!ap->mcnt) { 100 ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth; 101 ap->no_client.ah_ops = &ops; 102 xdrs = &xdr_stream; 103 xdrmem_create(xdrs, ap->marshalled_client, (u_int)MAX_MARSHEL_SIZE, 104 XDR_ENCODE); 105 (void)xdr_opaque_auth(xdrs, &ap->no_client.ah_cred); 106 (void)xdr_opaque_auth(xdrs, &ap->no_client.ah_verf); 107 ap->mcnt = XDR_GETPOS(xdrs); 108 XDR_DESTROY(xdrs); 109 } 110 return (&ap->no_client); 111 } 112 113 /*ARGSUSED*/ 114 static bool_t 115 authnone_marshal(client, xdrs) 116 AUTH *client; 117 XDR *xdrs; 118 { 119 register struct authnone_private *ap = authnone_private; 120 121 if (ap == 0) 122 return (0); 123 return ((*xdrs->x_ops->x_putbytes)(xdrs, 124 ap->marshalled_client, ap->mcnt)); 125 } 126 127 /*ARGSUSED*/ 128 static void 129 authnone_verf(client) 130 AUTH *client; 131 { 132 } 133 134 /*ARGSUSED*/ 135 static bool_t 136 authnone_validate(client, auth) 137 AUTH *client; 138 struct opaque_auth *auth; 139 { 140 141 return (TRUE); 142 } 143 144 /*ARGSUSED*/ 145 static bool_t 146 authnone_refresh(client) 147 AUTH *client; 148 { 149 150 return (FALSE); 151 } 152 153 /*ARGSUSED*/ 154 static void 155 authnone_destroy(client) 156 AUTH *client; 157 { 158 } 159