usr.sbin/iscsid/iscsid.c

80 resolve_addr(const struct connection *conn, const char *address,
91 		fail(conn, "empty address");
101 			fail(conn, "malformed address");
109 			fail(conn, "malformed address");
145 		fail(conn, gai_strerror(error));
155 	struct connection *conn;
163 	conn = calloc(1, sizeof(*conn));
164 	if (conn == NULL)
170 	conn->conn_header_digest = CONN_DIGEST_NONE;
171 	conn->conn_data_digest = CONN_DIGEST_NONE;
172 	conn->conn_initial_r2t = true;
173 	conn->conn_immediate_data = true;
174 	conn->conn_max_data_segment_length = 8192;
175 	conn->conn_max_burst_length = 262144;
176 	conn->conn_first_burst_length = 65536;
178 	conn->conn_session_id = session_id;
179 	conn->conn_iscsi_fd = iscsi_fd;
184 	memcpy(&conn->conn_conf, conf, sizeof(conn->conn_conf));
186 	from_addr = conn->conn_conf.isc_initiator_addr;
187 	to_addr = conn->conn_conf.isc_target_addr;
190 		resolve_addr(conn, from_addr, &from_ai, true);
194 	resolve_addr(conn, to_addr, &to_ai, false);
199 	idc.idc_session_id = conn->conn_session_id;
200 	if (conn->conn_conf.isc_iser)
215 		fail(conn, strerror(errno));
222 	if (conn->conn_conf.isc_iser) {
223 		fail(conn, "iSER not supported");
228 	conn->conn_socket = socket(to_ai->ai_family, to_ai->ai_socktype,
230 	if (conn->conn_socket < 0) {
231 		fail(conn, strerror(errno));
235 		error = bind(conn->conn_socket, from_ai->ai_addr,
238 			fail(conn, strerror(errno));
243 	error = connect(conn->conn_socket, to_ai->ai_addr, to_ai->ai_addrlen);
245 		fail(conn, strerror(errno));
251 	return (conn);
255 handoff(struct connection *conn)
263 	idh.idh_session_id = conn->conn_session_id;
265 	idh.idh_socket = conn->conn_socket;
267 	strlcpy(idh.idh_target_alias, conn->conn_target_alias,
269 	memcpy(idh.idh_isid, conn->conn_isid, sizeof(idh.idh_isid));
270 	idh.idh_statsn = conn->conn_statsn;
271 	idh.idh_header_digest = conn->conn_header_digest;
272 	idh.idh_data_digest = conn->conn_data_digest;
273 	idh.idh_initial_r2t = conn->conn_initial_r2t;
274 	idh.idh_immediate_data = conn->conn_immediate_data;
275 	idh.idh_max_data_segment_length = conn->conn_max_data_segment_length;
276 	idh.idh_max_burst_length = conn->conn_max_burst_length;
277 	idh.idh_first_burst_length = conn->conn_first_burst_length;
279 	error = ioctl(conn->conn_iscsi_fd, ISCSIDHANDOFF, &idh);
285 fail(const struct connection *conn, const char *reason)
291 	idf.idf_session_id = conn->conn_session_id;
294 	error = ioctl(conn->conn_iscsi_fd, ISCSIDFAIL, &idf);
303 capsicate(struct connection *conn)
316 	error = cap_rights_limit(conn->conn_iscsi_fd, &rights);
320 	error = cap_ioctls_limit(conn->conn_iscsi_fd, cmds,
399 	struct connection *conn;
409 	conn = connection_new(request->idr_session_id, &request->idr_conf, iscsi_fd);
411 	capsicate(conn);
412 	login(conn);
413 	if (conn->conn_conf.isc_discovery != 0)
414 		discovery(conn);
416 		handoff(conn);