1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2012 The FreeBSD Foundation 5 * 6 * This software was developed by Edward Tomasz Napierala under sponsorship 7 * from the FreeBSD Foundation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef __ISCSI_HH__ 32 #define __ISCSI_HH__ 33 34 #define CONN_SESSION_TYPE_NONE 0 35 #define CONN_SESSION_TYPE_DISCOVERY 1 36 #define CONN_SESSION_TYPE_NORMAL 2 37 38 struct iscsi_connection { 39 iscsi_connection(struct portal *portal, freebsd::fd_up fd, 40 const char *host, const struct sockaddr *client_sa); 41 ~iscsi_connection(); 42 43 void handle(); 44 private: 45 void login(); 46 void login_chap(struct auth_group *ag); 47 void login_negotiate_key(struct pdu *request, const char *name, 48 const char *value, bool skipped_security, 49 struct keys *response_keys); 50 bool login_portal_redirect(struct pdu *request); 51 bool login_target_redirect(struct pdu *request); 52 void login_negotiate(struct pdu *request); 53 void login_wait_transition(); 54 55 void discovery(); 56 bool discovery_target_filtered_out(const struct port *port) const; 57 58 void kernel_handoff(); 59 60 struct connection conn; 61 struct portal *conn_portal = nullptr; 62 const struct port *conn_port = nullptr; 63 struct target *conn_target = nullptr; 64 freebsd::fd_up conn_fd; 65 int conn_session_type = CONN_SESSION_TYPE_NONE; 66 std::string conn_initiator_name; 67 std::string conn_initiator_addr; 68 std::string conn_initiator_alias; 69 uint8_t conn_initiator_isid[6]; 70 const struct sockaddr *conn_initiator_sa = nullptr; 71 int conn_max_recv_data_segment_limit = 0; 72 int conn_max_send_data_segment_limit = 0; 73 int conn_max_burst_limit = 0; 74 int conn_first_burst_limit = 0; 75 std::string conn_user; 76 struct chap *conn_chap = nullptr; 77 }; 78 79 #endif /* !__ISCSI_HH__ */ 80