1 /* @(#)auth_none.c 2.1 88/07/29 4.0 RPCSRC */ 2 /* 3 * Copyright (c) 2010, Oracle America, Inc. 4 * 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 18 * * Neither the name of the "Oracle America, Inc." nor the names of 19 * its contributors may be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 23 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 25 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 26 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 28 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 29 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 30 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 31 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 32 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 #if !defined(lint) && defined(SCCSIDS) 35 static char sccsid[] = "@(#)auth_none.c 1.19 87/08/11 Copyr 1984 Sun Micro"; 36 #endif 37 38 /* 39 * auth_none.c 40 * Creates a client authentication handle for passing "null" 41 * credentials and verifiers to remote systems. 42 */ 43 44 #include <gssrpc/types.h> 45 #include <gssrpc/xdr.h> 46 #include <gssrpc/auth.h> 47 #include <stdlib.h> 48 #define MAX_MARSHEL_SIZE 20 49 50 /* 51 * Authenticator operations routines 52 */ 53 static void authnone_verf(AUTH *); 54 static void authnone_destroy(AUTH *); 55 static bool_t authnone_marshal(AUTH *, XDR *); 56 static bool_t authnone_validate(AUTH *, struct opaque_auth *); 57 static bool_t authnone_refresh(AUTH *, struct rpc_msg *); 58 static bool_t authnone_wrap(AUTH *, XDR *, xdrproc_t, caddr_t); 59 60 static struct auth_ops ops = { 61 authnone_verf, 62 authnone_marshal, 63 authnone_validate, 64 authnone_refresh, 65 authnone_destroy, 66 authnone_wrap, 67 authnone_wrap 68 }; 69 70 static struct authnone_private { 71 AUTH no_client; 72 char marshalled_client[MAX_MARSHEL_SIZE]; 73 u_int mcnt; 74 } *authnone_private; 75 76 AUTH * 77 authnone_create(void) 78 { 79 struct authnone_private *ap = authnone_private; 80 XDR xdr_stream; 81 XDR *xdrs; 82 83 if (ap == 0) { 84 ap = (struct authnone_private *)calloc(1, sizeof (*ap)); 85 if (ap == 0) 86 return (0); 87 authnone_private = ap; 88 } 89 if (!ap->mcnt) { 90 ap->no_client.ah_cred = ap->no_client.ah_verf = gssrpc__null_auth; 91 ap->no_client.ah_ops = &ops; 92 xdrs = &xdr_stream; 93 xdrmem_create(xdrs, ap->marshalled_client, (u_int)MAX_MARSHEL_SIZE, 94 XDR_ENCODE); 95 (void)xdr_opaque_auth(xdrs, &ap->no_client.ah_cred); 96 (void)xdr_opaque_auth(xdrs, &ap->no_client.ah_verf); 97 ap->mcnt = XDR_GETPOS(xdrs); 98 XDR_DESTROY(xdrs); 99 } 100 return (&ap->no_client); 101 } 102 103 /*ARGSUSED*/ 104 static bool_t 105 authnone_marshal(AUTH *client, XDR *xdrs) 106 { 107 struct authnone_private *ap = authnone_private; 108 109 if (ap == 0) 110 return (0); 111 return ((*xdrs->x_ops->x_putbytes)(xdrs, 112 ap->marshalled_client, ap->mcnt)); 113 } 114 115 /*ARGSUSED*/ 116 static void 117 authnone_verf(AUTH *auth) 118 { 119 } 120 121 /*ARGSUSED*/ 122 static bool_t 123 authnone_validate(AUTH *auth, struct opaque_auth *verf) 124 { 125 126 return (TRUE); 127 } 128 129 /*ARGSUSED*/ 130 static bool_t 131 authnone_refresh(AUTH *auth, struct rpc_msg *msg) 132 { 133 134 return (FALSE); 135 } 136 137 /*ARGSUSED*/ 138 static void 139 authnone_destroy(AUTH *auth) 140 { 141 } 142 143 static bool_t 144 authnone_wrap(AUTH *auth, XDR *xdrs, xdrproc_t xfunc, caddr_t xwhere) 145 { 146 return ((*xfunc)(xdrs, xwhere)); 147 } 148