2 * Copyright (c) 1998, 2001, Juniper Networks, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/lib/libtacplus/taclib_private.h,v 1.1.1.1.6.1 2002/10/09 08:50:42 pst Exp $
27 * $DragonFly: src/lib/libtacplus/taclib_private.h,v 1.2 2003/06/17 04:26:51 dillon Exp $
30 #ifndef TACLIB_PRIVATE_H
31 #define TACLIB_PRIVATE_H
36 #define PATH_TACPLUS_CONF "/etc/tacplus.conf"
37 #define TACPLUS_PORT 49
38 #define TIMEOUT 3 /* In seconds */
41 #define BODYSIZE 8150 /* Maximum message body size */
42 #define ERRSIZE 128 /* Maximum error message length */
43 #define MAXCONFLINE 1024 /* Maximum config file line length */
44 #define MAXSERVERS 10 /* Maximum number of servers to try */
45 #define MAXAVPAIRS 255 /* Maximum number of AV pairs */
47 /* Protocol constants. */
48 #define HDRSIZE 12 /* Size of message header */
50 /* Protocol version number */
51 #define TAC_VER_MAJOR 0xc /* Major version number */
53 /* Protocol packet types */
54 #define TAC_AUTHEN 0x01 /* Authentication */
55 #define TAC_AUTHOR 0x02 /* Authorization */
56 #define TAC_ACCT 0x03 /* Accouting */
58 /* Protocol header flags */
59 #define TAC_UNENCRYPTED 0x01
60 #define TAC_SINGLE_CONNECT 0x04
63 struct sockaddr_in addr; /* Address of server */
64 char *secret; /* Shared secret */
65 int timeout; /* Timeout in seconds */
70 * An optional string of bytes specified by the client for inclusion in
71 * a request. The data is always a dynamically allocated copy that
72 * belongs to the library. It is copied into the request packet just
73 * before sending the request.
81 * An optional string of bytes from a server response. The data resides
82 * in the response packet itself, and must not be freed.
89 struct tac_authen_start {
96 u_int8_t rem_addr_len;
98 unsigned char rest[1];
101 struct tac_authen_reply {
106 unsigned char rest[1];
109 struct tac_authen_cont {
110 u_int16_t user_msg_len;
113 unsigned char rest[1];
116 struct tac_author_request {
117 u_int8_t authen_meth;
119 u_int8_t authen_type;
123 u_int8_t rem_addr_len;
125 unsigned char rest[1];
128 struct tac_author_response {
133 unsigned char rest[1];
141 u_int8_t session_id[4];
144 struct tac_authen_start authen_start;
145 struct tac_authen_reply authen_reply;
146 struct tac_authen_cont authen_cont;
147 struct tac_author_request author_request;
148 struct tac_author_response author_response;
149 unsigned char body[BODYSIZE];
154 int fd; /* Socket file descriptor */
155 struct tac_server servers[MAXSERVERS]; /* Servers to contact */
156 int num_servers; /* Number of valid server entries */
157 int cur_server; /* Server we are currently using */
158 int single_connect; /* Use a single connection */
160 char errmsg[ERRSIZE]; /* Most recent error message */
162 struct clnt_str user;
163 struct clnt_str port;
164 struct clnt_str rem_addr;
165 struct clnt_str data;
166 struct clnt_str user_msg;
167 struct clnt_str avs[MAXAVPAIRS];
169 struct tac_msg request;
170 struct tac_msg response;
172 int srvr_pos; /* Scan position in response body */
173 struct srvr_str srvr_msg;
174 struct srvr_str srvr_data;
175 struct srvr_str srvr_avs[MAXAVPAIRS];