1 /* $NetBSD: auth_none.c,v 1.13 2000/01/22 22:19:17 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 #if defined(LIBC_SCCS) && !defined(lint) 33 static char *sccsid2 = "@(#)auth_none.c 1.19 87/08/11 Copyr 1984 Sun Micro"; 34 static char *sccsid = "@(#)auth_none.c 2.1 88/07/29 4.0 RPCSRC"; 35 #endif 36 #include <sys/cdefs.h> 37 __FBSDID("$FreeBSD$"); 38 39 /* 40 * auth_none.c 41 * Creates a client authentication handle for passing "null" 42 * credentials and verifiers to remote systems. 43 * 44 * Copyright (C) 1984, Sun Microsystems, Inc. 45 */ 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/kernel.h> 50 #include <sys/lock.h> 51 #include <sys/malloc.h> 52 #include <sys/mutex.h> 53 54 #include <rpc/types.h> 55 #include <rpc/xdr.h> 56 #include <rpc/auth.h> 57 #include <rpc/clnt.h> 58 59 #define MAX_MARSHAL_SIZE 20 60 61 /* 62 * Authenticator operations routines 63 */ 64 65 static bool_t authnone_marshal (AUTH *, uint32_t, XDR *, struct mbuf *); 66 static void authnone_verf (AUTH *); 67 static bool_t authnone_validate (AUTH *, uint32_t, struct opaque_auth *, 68 struct mbuf **); 69 static bool_t authnone_refresh (AUTH *, void *); 70 static void authnone_destroy (AUTH *); 71 72 static struct auth_ops authnone_ops = { 73 .ah_nextverf = authnone_verf, 74 .ah_marshal = authnone_marshal, 75 .ah_validate = authnone_validate, 76 .ah_refresh = authnone_refresh, 77 .ah_destroy = authnone_destroy, 78 }; 79 80 struct authnone_private { 81 AUTH no_client; 82 char mclient[MAX_MARSHAL_SIZE]; 83 u_int mcnt; 84 }; 85 86 static struct authnone_private authnone_private; 87 88 static void 89 authnone_init(void *dummy) 90 { 91 struct authnone_private *ap = &authnone_private; 92 XDR xdrs; 93 94 ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth; 95 ap->no_client.ah_ops = &authnone_ops; 96 xdrmem_create(&xdrs, ap->mclient, MAX_MARSHAL_SIZE, XDR_ENCODE); 97 xdr_opaque_auth(&xdrs, &ap->no_client.ah_cred); 98 xdr_opaque_auth(&xdrs, &ap->no_client.ah_verf); 99 ap->mcnt = XDR_GETPOS(&xdrs); 100 XDR_DESTROY(&xdrs); 101 } 102 SYSINIT(authnone_init, SI_SUB_KMEM, SI_ORDER_ANY, authnone_init, NULL); 103 104 AUTH * 105 authnone_create() 106 { 107 struct authnone_private *ap = &authnone_private; 108 109 return (&ap->no_client); 110 } 111 112 /*ARGSUSED*/ 113 static bool_t 114 authnone_marshal(AUTH *client, uint32_t xid, XDR *xdrs, struct mbuf *args) 115 { 116 struct authnone_private *ap = &authnone_private; 117 118 KASSERT(xdrs != NULL, ("authnone_marshal: xdrs is null")); 119 120 if (!XDR_PUTBYTES(xdrs, ap->mclient, ap->mcnt)) 121 return (FALSE); 122 123 xdrmbuf_append(xdrs, args); 124 125 return (TRUE); 126 } 127 128 /* All these unused parameters are required to keep ANSI-C from grumbling */ 129 /*ARGSUSED*/ 130 static void 131 authnone_verf(AUTH *client) 132 { 133 } 134 135 /*ARGSUSED*/ 136 static bool_t 137 authnone_validate(AUTH *client, uint32_t xid, struct opaque_auth *opaque, 138 struct mbuf **mrepp) 139 { 140 141 return (TRUE); 142 } 143 144 /*ARGSUSED*/ 145 static bool_t 146 authnone_refresh(AUTH *client, void *dummy) 147 { 148 149 return (FALSE); 150 } 151 152 /*ARGSUSED*/ 153 static void 154 authnone_destroy(AUTH *client) 155 { 156 } 157