1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 1998, 2001, Juniper Networks, Inc.
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
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _TACLIB_H_
30#define _TACLIB_H_
31
32#include <sys/types.h>
33
34struct tac_handle;
35
36/* Flags for tac_add_server(). */
37#define TAC_SRVR_SINGLE_CONNECT	0x04	/* Keep connection open for multiple
38					   sessions. */
39
40/* Disassembly of tac_send_authen() return value. */
41#define	TAC_AUTHEN_STATUS(s)	((s) & 0xff)
42#define TAC_AUTHEN_NOECHO(s)	((s) & (1<<8))
43
44/* Disassembly of tac_send_author() return value. */
45#define	TAC_AUTHOR_STATUS(s)	((s) & 0xff)
46#define TAC_AUTHEN_AV_COUNT(s)	(((s)>>8) & 0xff)
47
48/* Privilege levels */
49#define TAC_PRIV_LVL_MIN	0x00
50#define TAC_PRIV_LVL_USER	0x01
51#define TAC_PRIV_LVL_ROOT	0x0f
52#define TAC_PRIV_LVL_MAX	0x0f
53
54/* Authentication actions */
55#define TAC_AUTHEN_LOGIN	0x01
56#define TAC_AUTHEN_CHPASS	0x02
57#define TAC_AUTHEN_SENDPASS	0x03
58#define TAC_AUTHEN_SENDAUTH	0x04
59
60/* Authentication types */
61#define TAC_AUTHEN_TYPE_NOT_SET	0x00
62#define TAC_AUTHEN_TYPE_ASCII	0x01
63#define TAC_AUTHEN_TYPE_PAP	0x02
64#define TAC_AUTHEN_TYPE_CHAP	0x03
65#define TAC_AUTHEN_TYPE_ARAP	0x04
66#define TAC_AUTHEN_TYPE_MSCHAP	0x05
67
68/* Authentication services */
69#define TAC_AUTHEN_SVC_NONE	0x00
70#define TAC_AUTHEN_SVC_LOGIN	0x01
71#define TAC_AUTHEN_SVC_ENABLE	0x02
72#define TAC_AUTHEN_SVC_PPP	0x03
73#define TAC_AUTHEN_SVC_ARAP	0x04
74#define TAC_AUTHEN_SVC_PT	0x05
75#define TAC_AUTHEN_SVC_RCMD	0x06
76#define TAC_AUTHEN_SVC_X25	0x07
77#define TAC_AUTHEN_SVC_NASI	0x08
78#define TAC_AUTHEN_SVC_FWPROXY	0x09
79
80/* Authentication reply status codes */
81#define TAC_AUTHEN_STATUS_PASS		0x01
82#define TAC_AUTHEN_STATUS_FAIL		0x02
83#define TAC_AUTHEN_STATUS_GETDATA	0x03
84#define TAC_AUTHEN_STATUS_GETUSER	0x04
85#define TAC_AUTHEN_STATUS_GETPASS	0x05
86#define TAC_AUTHEN_STATUS_RESTART	0x06
87#define TAC_AUTHEN_STATUS_ERROR		0x07
88#define TAC_AUTHEN_STATUS_FOLLOW	0x21
89
90/* Authorization authenticatication methods */
91#define TAC_AUTHEN_METH_NOT_SET         0x00
92#define TAC_AUTHEN_METH_NONE            0x01
93#define TAC_AUTHEN_METH_KRB5            0x02
94#define TAC_AUTHEN_METH_LINE            0x03
95#define TAC_AUTHEN_METH_ENABLE          0x04
96#define TAC_AUTHEN_METH_LOCAL           0x05
97#define TAC_AUTHEN_METH_TACACSPLUS      0x06
98#define TAC_AUTHEN_METH_RCMD            0x20
99/* If adding more, see comments in protocol_version() in taclib.c */
100
101/* Authorization status */
102#define TAC_AUTHOR_STATUS_PASS_ADD      0x01
103#define TAC_AUTHOR_STATUS_PASS_REPL     0x02
104#define TAC_AUTHOR_STATUS_FAIL          0x10
105#define TAC_AUTHOR_STATUS_ERROR         0x11
106
107/* Accounting actions */
108#define TAC_ACCT_MORE			0x1
109#define TAC_ACCT_START			0x2
110#define TAC_ACCT_STOP			0x4
111#define TAC_ACCT_WATCHDOG		0x8
112
113/* Accounting status */
114#define TAC_ACCT_STATUS_SUCCESS		0x1
115#define TAC_ACCT_STATUS_ERROR		0x2
116#define TAC_ACCT_STATUS_FOLLOW		0x21
117
118__BEGIN_DECLS
119int			 tac_add_server(struct tac_handle *,
120			    const char *, int, const char *, int, int);
121void			 tac_close(struct tac_handle *);
122int			 tac_config(struct tac_handle *, const char *);
123int			 tac_create_authen(struct tac_handle *, int, int, int);
124void			*tac_get_data(struct tac_handle *, size_t *);
125char			*tac_get_msg(struct tac_handle *);
126struct tac_handle	*tac_open(void);
127int			 tac_send_authen(struct tac_handle *);
128int			 tac_set_data(struct tac_handle *,
129			    const void *, size_t);
130int			 tac_set_msg(struct tac_handle *, const char *);
131int			 tac_set_port(struct tac_handle *, const char *);
132int			 tac_set_priv(struct tac_handle *, int);
133int			 tac_set_rem_addr(struct tac_handle *, const char *);
134int			 tac_set_user(struct tac_handle *, const char *);
135const char		*tac_strerror(struct tac_handle *);
136int			 tac_send_author(struct tac_handle *);
137int			 tac_create_author(struct tac_handle *, int, int, int);
138int			 tac_set_av(struct tac_handle *, u_int, const char *);
139char			*tac_get_av(struct tac_handle *, u_int);
140char			*tac_get_av_value(struct tac_handle *, const char *);
141void			 tac_clear_avs(struct tac_handle *);
142int			 tac_create_acct(struct tac_handle *, int, int, int, int);
143int			 tac_send_acct(struct tac_handle *);
144__END_DECLS
145
146#endif /* _TACLIB_H_ */
147