1 /* $FreeBSD$ */ 2 /*- 3 * SPDX-License-Identifier: BSD-3-Clause 4 * 5 * Copyright (c) 2009, Sun Microsystems, Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * - Redistributions of source code must retain the above copyright notice, 11 * this list of conditions and the following disclaimer. 12 * - Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * - Neither the name of Sun Microsystems, Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 /* 32 * auth_kerb.h, Protocol for Kerberos style authentication for RPC 33 * 34 * Copyright (C) 1986, Sun Microsystems, Inc. 35 */ 36 37 #ifndef _RPC_AUTH_KERB_H 38 #define _RPC_AUTH_KERB_H 39 40 #ifdef KERBEROS 41 42 #include <kerberos/krb.h> 43 #include <sys/socket.h> 44 #include <sys/t_kuser.h> 45 #include <netinet/in.h> 46 #include <rpc/svc.h> 47 48 /* 49 * There are two kinds of "names": fullnames and nicknames 50 */ 51 enum authkerb_namekind { 52 AKN_FULLNAME, 53 AKN_NICKNAME 54 }; 55 /* 56 * A fullname contains the ticket and the window 57 */ 58 struct authkerb_fullname { 59 KTEXT_ST ticket; 60 u_long window; /* associated window */ 61 }; 62 63 /* 64 * cooked credential stored in rq_clntcred 65 */ 66 struct authkerb_clnt_cred { 67 /* start of AUTH_DAT */ 68 unsigned char k_flags; /* Flags from ticket */ 69 char pname[ANAME_SZ]; /* Principal's name */ 70 char pinst[INST_SZ]; /* His Instance */ 71 char prealm[REALM_SZ]; /* His Realm */ 72 unsigned long checksum; /* Data checksum (opt) */ 73 C_Block session; /* Session Key */ 74 int life; /* Life of ticket */ 75 unsigned long time_sec; /* Time ticket issued */ 76 unsigned long address; /* Address in ticket */ 77 /* KTEXT_ST reply; Auth reply (opt) */ 78 /* end of AUTH_DAT */ 79 unsigned long expiry; /* time the ticket is expiring */ 80 u_long nickname; /* Nickname into cache */ 81 u_long window; /* associated window */ 82 }; 83 84 typedef struct authkerb_clnt_cred authkerb_clnt_cred; 85 86 /* 87 * A credential 88 */ 89 struct authkerb_cred { 90 enum authkerb_namekind akc_namekind; 91 struct authkerb_fullname akc_fullname; 92 u_long akc_nickname; 93 }; 94 95 /* 96 * A kerb authentication verifier 97 */ 98 struct authkerb_verf { 99 union { 100 struct timeval akv_ctime; /* clear time */ 101 des_block akv_xtime; /* crypt time */ 102 } akv_time_u; 103 u_long akv_int_u; 104 }; 105 106 /* 107 * des authentication verifier: client variety 108 * 109 * akv_timestamp is the current time. 110 * akv_winverf is the credential window + 1. 111 * Both are encrypted using the conversation key. 112 */ 113 #ifndef akv_timestamp 114 #define akv_timestamp akv_time_u.akv_ctime 115 #define akv_xtimestamp akv_time_u.akv_xtime 116 #define akv_winverf akv_int_u 117 #endif 118 /* 119 * des authentication verifier: server variety 120 * 121 * akv_timeverf is the client's timestamp + client's window 122 * akv_nickname is the server's nickname for the client. 123 * akv_timeverf is encrypted using the conversation key. 124 */ 125 #ifndef akv_timeverf 126 #define akv_timeverf akv_time_u.akv_ctime 127 #define akv_xtimeverf akv_time_u.akv_xtime 128 #define akv_nickname akv_int_u 129 #endif 130 131 /* 132 * Register the service name, instance and realm. 133 */ 134 extern int authkerb_create(char *, char *, char *, u_int, 135 struct netbuf *, int *, dev_t, int, AUTH **); 136 extern bool_t xdr_authkerb_cred(XDR *, struct authkerb_cred *); 137 extern bool_t xdr_authkerb_verf(XDR *, struct authkerb_verf *); 138 extern int svc_kerb_reg(SVCXPRT *, char *, char *, char *); 139 extern enum auth_stat _svcauth_kerb(struct svc_req *, struct rpc_msg *); 140 141 #endif /* KERBEROS */ 142 #endif /* !_RPC_AUTH_KERB_H */ 143