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
29 #ifndef TACLIB_PRIVATE_H
30 #define TACLIB_PRIVATE_H
35 #define PATH_TACPLUS_CONF "/etc/tacplus.conf"
36 #define TACPLUS_PORT 49
37 #define TIMEOUT 3 /* In seconds */
40 #define BODYSIZE 8150 /* Maximum message body size */
41 #define ERRSIZE 128 /* Maximum error message length */
42 #define MAXCONFLINE 1024 /* Maximum config file line length */
43 #define MAXSERVERS 10 /* Maximum number of servers to try */
44 #define MAXAVPAIRS 255 /* Maximum number of AV pairs */
46 /* Protocol constants. */
47 #define HDRSIZE 12 /* Size of message header */
49 /* Protocol version number */
50 #define TAC_VER_MAJOR 0xc /* Major version number */
52 /* Protocol packet types */
53 #define TAC_AUTHEN 0x01 /* Authentication */
54 #define TAC_AUTHOR 0x02 /* Authorization */
55 #define TAC_ACCT 0x03 /* Accouting */
57 /* Protocol header flags */
58 #define TAC_UNENCRYPTED 0x01
59 #define TAC_SINGLE_CONNECT 0x04
62 struct sockaddr_in addr; /* Address of server */
63 char *secret; /* Shared secret */
64 int timeout; /* Timeout in seconds */
69 * An optional string of bytes specified by the client for inclusion in
70 * a request. The data is always a dynamically allocated copy that
71 * belongs to the library. It is copied into the request packet just
72 * before sending the request.
80 * An optional string of bytes from a server response. The data resides
81 * in the response packet itself, and must not be freed.
88 struct tac_authen_start {
95 u_int8_t rem_addr_len;
97 unsigned char rest[1];
100 struct tac_authen_reply {
105 unsigned char rest[1];
108 struct tac_authen_cont {
109 u_int16_t user_msg_len;
112 unsigned char rest[1];
115 struct tac_author_request {
116 u_int8_t authen_meth;
118 u_int8_t authen_type;
122 u_int8_t rem_addr_len;
124 unsigned char rest[1];
127 struct tac_author_response {
132 unsigned char rest[1];
135 struct tac_acct_start {
137 u_int8_t authen_action;
139 u_int8_t authen_type;
140 u_int8_t authen_service;
143 u_int8_t rem_addr_len;
145 unsigned char rest[1];
148 struct tac_acct_reply {
152 unsigned char rest[1];
160 u_int8_t session_id[4];
163 struct tac_authen_start authen_start;
164 struct tac_authen_reply authen_reply;
165 struct tac_authen_cont authen_cont;
166 struct tac_author_request author_request;
167 struct tac_author_response author_response;
168 struct tac_acct_start acct_start;
169 struct tac_acct_reply acct_reply;
170 unsigned char body[BODYSIZE];
175 int fd; /* Socket file descriptor */
176 struct tac_server servers[MAXSERVERS]; /* Servers to contact */
177 int num_servers; /* Number of valid server entries */
178 int cur_server; /* Server we are currently using */
179 int single_connect; /* Use a single connection */
181 char errmsg[ERRSIZE]; /* Most recent error message */
183 struct clnt_str user;
184 struct clnt_str port;
185 struct clnt_str rem_addr;
186 struct clnt_str data;
187 struct clnt_str user_msg;
188 struct clnt_str avs[MAXAVPAIRS];
190 struct tac_msg request;
191 struct tac_msg response;
193 int srvr_pos; /* Scan position in response body */
194 struct srvr_str srvr_msg;
195 struct srvr_str srvr_data;
196 struct srvr_str srvr_avs[MAXAVPAIRS];