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