179110Sjoerg/*- 279110Sjoerg * Copyright (c) 2012 The FreeBSD Foundation 379110Sjoerg * All rights reserved. 479110Sjoerg * 579110Sjoerg * This software was developed by Edward Tomasz Napierala under sponsorship 679110Sjoerg * from the FreeBSD Foundation. 779110Sjoerg * 879110Sjoerg * Redistribution and use in source and binary forms, with or without 979110Sjoerg * modification, are permitted provided that the following conditions 1079110Sjoerg * are met: 1179110Sjoerg * 1. Redistributions of source code must retain the above copyright 1279110Sjoerg * notice, this list of conditions and the following disclaimer. 1379110Sjoerg * 2. Redistributions in binary form must reproduce the above copyright 1479110Sjoerg * notice, this list of conditions and the following disclaimer in the 1579110Sjoerg * documentation and/or other materials provided with the distribution. 1679110Sjoerg * 1779110Sjoerg * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1879110Sjoerg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1979110Sjoerg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2079110Sjoerg * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2179110Sjoerg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2279110Sjoerg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2379110Sjoerg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2479110Sjoerg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2579110Sjoerg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2679110Sjoerg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2779110Sjoerg * SUCH DAMAGE. 2879110Sjoerg * 2987992Sjoerg * $FreeBSD$ 3079110Sjoerg */ 3187992Sjoerg 3287992Sjoerg#ifndef ISCSID_H 3387992Sjoerg#define ISCSID_H 3487992Sjoerg 3587992Sjoerg#include <stdbool.h> 3687992Sjoerg#include <stdint.h> 3787992Sjoerg 38#include <iscsi_ioctl.h> 39 40#define DEFAULT_PIDFILE "/var/run/iscsid.pid" 41 42#define CONN_DIGEST_NONE 0 43#define CONN_DIGEST_CRC32C 1 44 45#define CONN_MUTUAL_CHALLENGE_LEN 1024 46 47struct connection { 48 int conn_iscsi_fd; 49 int conn_socket; 50 unsigned int conn_session_id; 51 struct iscsi_session_conf conn_conf; 52 char conn_target_alias[ISCSI_ADDR_LEN]; 53 uint8_t conn_isid[6]; 54 uint16_t conn_tsih; 55 uint32_t conn_statsn; 56 int conn_header_digest; 57 int conn_data_digest; 58 bool conn_initial_r2t; 59 bool conn_immediate_data; 60 size_t conn_max_data_segment_length; 61 size_t conn_max_burst_length; 62 size_t conn_first_burst_length; 63 char conn_mutual_challenge[CONN_MUTUAL_CHALLENGE_LEN]; 64 unsigned char conn_mutual_id; 65}; 66 67struct pdu { 68 struct connection *pdu_connection; 69 struct iscsi_bhs *pdu_bhs; 70 char *pdu_data; 71 size_t pdu_data_len; 72}; 73 74#define KEYS_MAX 1024 75 76struct keys { 77 char *keys_names[KEYS_MAX]; 78 char *keys_values[KEYS_MAX]; 79 char *keys_data; 80 size_t keys_data_len; 81}; 82 83struct keys *keys_new(void); 84void keys_delete(struct keys *key); 85void keys_load(struct keys *keys, const struct pdu *pdu); 86void keys_save(struct keys *keys, struct pdu *pdu); 87const char *keys_find(struct keys *keys, const char *name); 88int keys_find_int(struct keys *keys, const char *name); 89void keys_add(struct keys *keys, 90 const char *name, const char *value); 91void keys_add_int(struct keys *keys, 92 const char *name, int value); 93 94struct pdu *pdu_new(struct connection *ic); 95struct pdu *pdu_new_response(struct pdu *request); 96void pdu_receive(struct pdu *request); 97void pdu_send(struct pdu *response); 98void pdu_delete(struct pdu *ip); 99 100void login(struct connection *ic); 101 102void discovery(struct connection *ic); 103 104void log_init(int level); 105void log_set_peer_name(const char *name); 106void log_set_peer_addr(const char *addr); 107void log_err(int, const char *, ...) 108 __dead2 __printflike(2, 3); 109void log_errx(int, const char *, ...) 110 __dead2 __printflike(2, 3); 111void log_warn(const char *, ...) __printflike(1, 2); 112void log_warnx(const char *, ...) __printflike(1, 2); 113void log_debugx(const char *, ...) __printflike(1, 2); 114 115char *checked_strdup(const char *); 116bool timed_out(void); 117void fail(const struct connection *, const char *); 118 119#endif /* !ISCSID_H */ 120