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