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 27 #ifndef _ISNS_H 28 #define _ISNS_H 29 30 #define ISNS_VERSION 0x0001 31 32 #define ISNS_FUNC_DEVATTRREG 0x0001 33 #define ISNS_FUNC_DEVATTRQRY 0x0002 34 #define ISNS_FUNC_DEVGETNEXT 0x0003 35 #define ISNS_FUNC_DEVDEREG 0x0004 36 #define ISNS_FUNC_SCNREG 0x0005 37 #define ISNS_FUNC_SCNDEREG 0x0006 38 #define ISNS_FUNC_SCNEVENT 0x0007 39 #define ISNS_FUNC_SCN 0x0008 40 #define ISNS_FUNC_DDREG 0x0009 41 #define ISNS_FUNC_DDDEREG 0x000a 42 #define ISNS_FUNC_DDSREG 0x000b 43 #define ISNS_FUNC_DDSDEREG 0x000c 44 #define ISNS_FUNC_ESI 0x000d 45 #define ISNS_FUNC_HEARTBEAT 0x000e 46 #define ISNS_FUNC_RESPONSE 0x8000 47 48 #define ISNS_FLAG_CLIENT 0x8000 49 #define ISNS_FLAG_SERVER 0x4000 50 #define ISNS_FLAG_AUTH 0x2000 51 #define ISNS_FLAG_REPLACE 0x1000 52 #define ISNS_FLAG_LAST 0x0800 53 #define ISNS_FLAG_FIRST 0x0400 54 55 struct isns_hdr { 56 uint8_t ih_version[2]; 57 uint8_t ih_function[2]; 58 uint8_t ih_length[2]; 59 uint8_t ih_flags[2]; 60 uint8_t ih_transaction[2]; 61 uint8_t ih_sequence[2]; 62 }; 63 64 struct isns_tlv { 65 uint8_t it_tag[4]; 66 uint8_t it_length[4]; 67 uint8_t it_value[]; 68 }; 69 70 struct isns_req { 71 u_int ir_buflen; 72 u_int ir_usedlen; 73 uint8_t *ir_buf; 74 }; 75 76 struct isns_req * isns_req_alloc(void); 77 struct isns_req * isns_req_create(uint16_t func, uint16_t flags); 78 void isns_req_free(struct isns_req *req); 79 void isns_req_add(struct isns_req *req, uint32_t tag, uint32_t len, 80 const void *value); 81 void isns_req_add_delim(struct isns_req *req); 82 void isns_req_add_str(struct isns_req *req, uint32_t tag, const char *value); 83 void isns_req_add_32(struct isns_req *req, uint32_t tag, uint32_t value); 84 void isns_req_add_addr(struct isns_req *req, uint32_t tag, struct addrinfo *ai); 85 void isns_req_add_port(struct isns_req *req, uint32_t tag, struct addrinfo *ai); 86 int isns_req_send(int s, struct isns_req *req); 87 int isns_req_receive(int s, struct isns_req *req); 88 uint32_t isns_req_get_status(struct isns_req *req); 89 90 #endif /* _ISNS_H */ 91