1009ea47eSEdward Tomasz Napierala /*- 2009ea47eSEdward Tomasz Napierala * Copyright (c) 2012 The FreeBSD Foundation 3009ea47eSEdward Tomasz Napierala * All rights reserved. 4009ea47eSEdward Tomasz Napierala * 5009ea47eSEdward Tomasz Napierala * This software was developed by Edward Tomasz Napierala under sponsorship 6009ea47eSEdward Tomasz Napierala * from the FreeBSD Foundation. 7009ea47eSEdward Tomasz Napierala * 8009ea47eSEdward Tomasz Napierala * Redistribution and use in source and binary forms, with or without 9009ea47eSEdward Tomasz Napierala * modification, are permitted provided that the following conditions 10009ea47eSEdward Tomasz Napierala * are met: 11009ea47eSEdward Tomasz Napierala * 1. Redistributions of source code must retain the above copyright 12009ea47eSEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer. 13009ea47eSEdward Tomasz Napierala * 2. Redistributions in binary form must reproduce the above copyright 14009ea47eSEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer in the 15009ea47eSEdward Tomasz Napierala * documentation and/or other materials provided with the distribution. 16009ea47eSEdward Tomasz Napierala * 17009ea47eSEdward Tomasz Napierala * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18009ea47eSEdward Tomasz Napierala * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19009ea47eSEdward Tomasz Napierala * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20009ea47eSEdward Tomasz Napierala * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21009ea47eSEdward Tomasz Napierala * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22009ea47eSEdward Tomasz Napierala * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23009ea47eSEdward Tomasz Napierala * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24009ea47eSEdward Tomasz Napierala * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25009ea47eSEdward Tomasz Napierala * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26009ea47eSEdward Tomasz Napierala * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27009ea47eSEdward Tomasz Napierala * SUCH DAMAGE. 28009ea47eSEdward Tomasz Napierala * 29009ea47eSEdward Tomasz Napierala * $FreeBSD$ 30009ea47eSEdward Tomasz Napierala */ 31009ea47eSEdward Tomasz Napierala 32009ea47eSEdward Tomasz Napierala #ifndef ISCSID_H 33009ea47eSEdward Tomasz Napierala #define ISCSID_H 34009ea47eSEdward Tomasz Napierala 35009ea47eSEdward Tomasz Napierala #include <stdbool.h> 36009ea47eSEdward Tomasz Napierala #include <stdint.h> 37009ea47eSEdward Tomasz Napierala 38009ea47eSEdward Tomasz Napierala #include <iscsi_ioctl.h> 39009ea47eSEdward Tomasz Napierala 40009ea47eSEdward Tomasz Napierala #define DEFAULT_PIDFILE "/var/run/iscsid.pid" 41009ea47eSEdward Tomasz Napierala 42009ea47eSEdward Tomasz Napierala #define CONN_DIGEST_NONE 0 43009ea47eSEdward Tomasz Napierala #define CONN_DIGEST_CRC32C 1 44009ea47eSEdward Tomasz Napierala 45009ea47eSEdward Tomasz Napierala #define CONN_MUTUAL_CHALLENGE_LEN 1024 46009ea47eSEdward Tomasz Napierala 47009ea47eSEdward Tomasz Napierala struct connection { 48009ea47eSEdward Tomasz Napierala int conn_iscsi_fd; 49009ea47eSEdward Tomasz Napierala #ifndef ICL_KERNEL_PROXY 50009ea47eSEdward Tomasz Napierala int conn_socket; 51009ea47eSEdward Tomasz Napierala #endif 52009ea47eSEdward Tomasz Napierala unsigned int conn_session_id; 53009ea47eSEdward Tomasz Napierala struct iscsi_session_conf conn_conf; 54009ea47eSEdward Tomasz Napierala char conn_target_alias[ISCSI_ADDR_LEN]; 55009ea47eSEdward Tomasz Napierala uint8_t conn_isid[6]; 56009ea47eSEdward Tomasz Napierala uint32_t conn_statsn; 57009ea47eSEdward Tomasz Napierala int conn_header_digest; 58009ea47eSEdward Tomasz Napierala int conn_data_digest; 59009ea47eSEdward Tomasz Napierala bool conn_initial_r2t; 60009ea47eSEdward Tomasz Napierala bool conn_immediate_data; 61009ea47eSEdward Tomasz Napierala size_t conn_max_data_segment_length; 62009ea47eSEdward Tomasz Napierala size_t conn_max_burst_length; 63009ea47eSEdward Tomasz Napierala size_t conn_first_burst_length; 64009ea47eSEdward Tomasz Napierala char conn_mutual_challenge[CONN_MUTUAL_CHALLENGE_LEN]; 65009ea47eSEdward Tomasz Napierala unsigned char conn_mutual_id; 66009ea47eSEdward Tomasz Napierala }; 67009ea47eSEdward Tomasz Napierala 68009ea47eSEdward Tomasz Napierala struct pdu { 69009ea47eSEdward Tomasz Napierala struct connection *pdu_connection; 70009ea47eSEdward Tomasz Napierala struct iscsi_bhs *pdu_bhs; 71009ea47eSEdward Tomasz Napierala char *pdu_data; 72009ea47eSEdward Tomasz Napierala size_t pdu_data_len; 73009ea47eSEdward Tomasz Napierala }; 74009ea47eSEdward Tomasz Napierala 75009ea47eSEdward Tomasz Napierala #define KEYS_MAX 1024 76009ea47eSEdward Tomasz Napierala 77009ea47eSEdward Tomasz Napierala struct keys { 78009ea47eSEdward Tomasz Napierala char *keys_names[KEYS_MAX]; 79009ea47eSEdward Tomasz Napierala char *keys_values[KEYS_MAX]; 80009ea47eSEdward Tomasz Napierala char *keys_data; 81009ea47eSEdward Tomasz Napierala size_t keys_data_len; 82009ea47eSEdward Tomasz Napierala }; 83009ea47eSEdward Tomasz Napierala 84009ea47eSEdward Tomasz Napierala struct keys *keys_new(void); 85009ea47eSEdward Tomasz Napierala void keys_delete(struct keys *key); 86009ea47eSEdward Tomasz Napierala void keys_load(struct keys *keys, const struct pdu *pdu); 87009ea47eSEdward Tomasz Napierala void keys_save(struct keys *keys, struct pdu *pdu); 88009ea47eSEdward Tomasz Napierala const char *keys_find(struct keys *keys, const char *name); 89009ea47eSEdward Tomasz Napierala int keys_find_int(struct keys *keys, const char *name); 90009ea47eSEdward Tomasz Napierala void keys_add(struct keys *keys, 91009ea47eSEdward Tomasz Napierala const char *name, const char *value); 92009ea47eSEdward Tomasz Napierala void keys_add_int(struct keys *keys, 93009ea47eSEdward Tomasz Napierala const char *name, int value); 94009ea47eSEdward Tomasz Napierala 95009ea47eSEdward Tomasz Napierala struct pdu *pdu_new(struct connection *ic); 96009ea47eSEdward Tomasz Napierala struct pdu *pdu_new_response(struct pdu *request); 97009ea47eSEdward Tomasz Napierala void pdu_receive(struct pdu *request); 98009ea47eSEdward Tomasz Napierala void pdu_send(struct pdu *response); 99009ea47eSEdward Tomasz Napierala void pdu_delete(struct pdu *ip); 100009ea47eSEdward Tomasz Napierala 101009ea47eSEdward Tomasz Napierala void login(struct connection *ic); 102009ea47eSEdward Tomasz Napierala 103009ea47eSEdward Tomasz Napierala void discovery(struct connection *ic); 104009ea47eSEdward Tomasz Napierala 105009ea47eSEdward Tomasz Napierala void log_init(int level); 106009ea47eSEdward Tomasz Napierala void log_set_peer_name(const char *name); 107009ea47eSEdward Tomasz Napierala void log_set_peer_addr(const char *addr); 108009ea47eSEdward Tomasz Napierala void log_err(int, const char *, ...) 109*3fa953a0SEdward Tomasz Napierala __dead2 __printflike(2, 3); 110009ea47eSEdward Tomasz Napierala void log_errx(int, const char *, ...) 111*3fa953a0SEdward Tomasz Napierala __dead2 __printflike(2, 3); 112*3fa953a0SEdward Tomasz Napierala void log_warn(const char *, ...) __printflike(1, 2); 113009ea47eSEdward Tomasz Napierala void log_warnx(const char *, ...) __printflike(1, 2); 114*3fa953a0SEdward Tomasz Napierala void log_debugx(const char *, ...) __printflike(1, 2); 115009ea47eSEdward Tomasz Napierala 116009ea47eSEdward Tomasz Napierala char *checked_strdup(const char *); 117009ea47eSEdward Tomasz Napierala bool timed_out(void); 118009ea47eSEdward Tomasz Napierala void fail(const struct connection *, const char *); 119009ea47eSEdward Tomasz Napierala 120009ea47eSEdward Tomasz Napierala #endif /* !ISCSID_H */ 121