xref: /freebsd/lib/libtacplus/taclib.h (revision 61ba55bcf70f2340f9c943c9571113b3fd8eda69)
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 
34 struct 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
119 int			 tac_add_server(struct tac_handle *,
120 			    const char *, int, const char *, int, int);
121 void			 tac_close(struct tac_handle *);
122 int			 tac_config(struct tac_handle *, const char *);
123 int			 tac_create_authen(struct tac_handle *, int, int, int);
124 void			*tac_get_data(struct tac_handle *, size_t *);
125 char			*tac_get_msg(struct tac_handle *);
126 struct tac_handle	*tac_open(void);
127 int			 tac_send_authen(struct tac_handle *);
128 int			 tac_set_data(struct tac_handle *,
129 			    const void *, size_t);
130 int			 tac_set_msg(struct tac_handle *, const char *);
131 int			 tac_set_port(struct tac_handle *, const char *);
132 int			 tac_set_priv(struct tac_handle *, int);
133 int			 tac_set_rem_addr(struct tac_handle *, const char *);
134 int			 tac_set_user(struct tac_handle *, const char *);
135 const char		*tac_strerror(struct tac_handle *);
136 int			 tac_send_author(struct tac_handle *);
137 int			 tac_create_author(struct tac_handle *, int, int, int);
138 int			 tac_set_av(struct tac_handle *, u_int, const char *);
139 char			*tac_get_av(struct tac_handle *, u_int);
140 char			*tac_get_av_value(struct tac_handle *, const char *);
141 void			 tac_clear_avs(struct tac_handle *);
142 int			 tac_create_acct(struct tac_handle *, int, int, int, int);
143 int			 tac_send_acct(struct tac_handle *);
144 __END_DECLS
145 
146 #endif /* _TACLIB_H_ */
147