1/*-
2 * Copyright (c) 2014 Alexander Motin <mav@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 *
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
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/10/usr.sbin/ctld/isns.h 274939 2014-11-24 00:47:04Z mav $
27 */
28
29#ifndef _ISNS_H
30#define _ISNS_H
31
32#define ISNS_VERSION 0x0001
33
34#define ISNS_FUNC_DEVATTRREG 0x0001
35#define ISNS_FUNC_DEVATTRQRY 0x0002
36#define ISNS_FUNC_DEVGETNEXT 0x0003
37#define ISNS_FUNC_DEVDEREG 0x0004
38#define ISNS_FUNC_SCNREG 0x0005
39#define ISNS_FUNC_SCNDEREG 0x0006
40#define ISNS_FUNC_SCNEVENT 0x0007
41#define ISNS_FUNC_SCN 0x0008
42#define ISNS_FUNC_DDREG 0x0009
43#define ISNS_FUNC_DDDEREG 0x000a
44#define ISNS_FUNC_DDSREG 0x000b
45#define ISNS_FUNC_DDSDEREG 0x000c
46#define ISNS_FUNC_ESI 0x000d
47#define ISNS_FUNC_HEARTBEAT 0x000e
48#define ISNS_FUNC_RESPONSE 0x8000
49
50#define ISNS_FLAG_CLIENT 0x8000
51#define ISNS_FLAG_SERVER 0x4000
52#define ISNS_FLAG_AUTH 0x2000
53#define ISNS_FLAG_REPLACE 0x1000
54#define ISNS_FLAG_LAST 0x0800
55#define ISNS_FLAG_FIRST 0x0400
56
57struct isns_hdr {
58 uint8_t ih_version[2];
59 uint8_t ih_function[2];
60 uint8_t ih_length[2];
61 uint8_t ih_flags[2];
62 uint8_t ih_transaction[2];
63 uint8_t ih_sequence[2];
64};
65
66struct isns_tlv {
67 uint8_t it_tag[4];
68 uint8_t it_length[4];
69 uint8_t it_value[];
70};
71
72struct isns_req {
73 u_int ir_buflen;
74 u_int ir_usedlen;
75 uint8_t *ir_buf;
76};
77
78struct isns_req * isns_req_alloc(void);
79struct isns_req * isns_req_create(uint16_t func, uint16_t flags);
80void isns_req_free(struct isns_req *req);
81void isns_req_add(struct isns_req *req, uint32_t tag, uint32_t len,
82 const void *value);
83void isns_req_add_delim(struct isns_req *req);
84void isns_req_add_str(struct isns_req *req, uint32_t tag, const char *value);
85void isns_req_add_32(struct isns_req *req, uint32_t tag, uint32_t value);
86void isns_req_add_addr(struct isns_req *req, uint32_t tag, struct addrinfo *ai);
87void isns_req_add_port(struct isns_req *req, uint32_t tag, struct addrinfo *ai);
88int isns_req_send(int s, struct isns_req *req);
89int isns_req_receive(int s, struct isns_req *req);
90uint32_t isns_req_get_status(struct isns_req *req);
91
92#endif /* _ISNS_H */