1a6d42e7dSPeter Dunlap /* 2a6d42e7dSPeter Dunlap * CDDL HEADER START 3a6d42e7dSPeter Dunlap * 4a6d42e7dSPeter Dunlap * The contents of this file are subject to the terms of the 5a6d42e7dSPeter Dunlap * Common Development and Distribution License (the "License"). 6a6d42e7dSPeter Dunlap * You may not use this file except in compliance with the License. 7a6d42e7dSPeter Dunlap * 8a6d42e7dSPeter Dunlap * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9a6d42e7dSPeter Dunlap * or http://www.opensolaris.org/os/licensing. 10a6d42e7dSPeter Dunlap * See the License for the specific language governing permissions 11a6d42e7dSPeter Dunlap * and limitations under the License. 12a6d42e7dSPeter Dunlap * 13a6d42e7dSPeter Dunlap * When distributing Covered Code, include this CDDL HEADER in each 14a6d42e7dSPeter Dunlap * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15a6d42e7dSPeter Dunlap * If applicable, add the following below this CDDL HEADER, with the 16a6d42e7dSPeter Dunlap * fields enclosed by brackets "[]" replaced with your own identifying 17a6d42e7dSPeter Dunlap * information: Portions Copyright [yyyy] [name of copyright owner] 18a6d42e7dSPeter Dunlap * 19a6d42e7dSPeter Dunlap * CDDL HEADER END 20a6d42e7dSPeter Dunlap */ 21a6d42e7dSPeter Dunlap /* 221a1a84a3SPeter Dunlap * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23a6d42e7dSPeter Dunlap * Use is subject to license terms. 24a6d42e7dSPeter Dunlap */ 25a6d42e7dSPeter Dunlap 26a6d42e7dSPeter Dunlap #include <sys/cpuvar.h> 27a6d42e7dSPeter Dunlap #include <sys/types.h> 28a6d42e7dSPeter Dunlap #include <sys/conf.h> 29a6d42e7dSPeter Dunlap #include <sys/file.h> 30a6d42e7dSPeter Dunlap #include <sys/ddi.h> 31a6d42e7dSPeter Dunlap #include <sys/sunddi.h> 32a6d42e7dSPeter Dunlap #include <sys/modctl.h> 33a6d42e7dSPeter Dunlap 34a6d42e7dSPeter Dunlap #include <sys/socket.h> 35a6d42e7dSPeter Dunlap #include <sys/strsubr.h> 36a6d42e7dSPeter Dunlap #include <sys/sysmacros.h> 37a6d42e7dSPeter Dunlap #include <sys/note.h> 38a6d42e7dSPeter Dunlap #include <sys/sdt.h> 39a6d42e7dSPeter Dunlap 40a6d42e7dSPeter Dunlap #include <sys/stmf.h> 41a6d42e7dSPeter Dunlap #include <sys/stmf_ioctl.h> 42a6d42e7dSPeter Dunlap #include <sys/portif.h> 43a6d42e7dSPeter Dunlap #include <sys/idm/idm.h> 44a6d42e7dSPeter Dunlap #include <sys/idm/idm_text.h> 45a6d42e7dSPeter Dunlap 46a6d42e7dSPeter Dunlap #define ISCSIT_LOGIN_SM_STRINGS 47a6d42e7dSPeter Dunlap #include <iscsit.h> 48a6d42e7dSPeter Dunlap #include <iscsit_auth.h> 49a6d42e7dSPeter Dunlap 50a6d42e7dSPeter Dunlap typedef struct { 51a6d42e7dSPeter Dunlap list_node_t le_ctx_node; 52a6d42e7dSPeter Dunlap iscsit_login_event_t le_ctx_event; 53a6d42e7dSPeter Dunlap idm_pdu_t *le_pdu; 54a6d42e7dSPeter Dunlap } login_event_ctx_t; 55a6d42e7dSPeter Dunlap 56a6d42e7dSPeter Dunlap #ifndef TRUE 57a6d42e7dSPeter Dunlap #define TRUE B_TRUE 58a6d42e7dSPeter Dunlap #endif 59a6d42e7dSPeter Dunlap 60a6d42e7dSPeter Dunlap #ifndef FALSE 61a6d42e7dSPeter Dunlap #define FALSE B_FALSE 62a6d42e7dSPeter Dunlap #endif 63a6d42e7dSPeter Dunlap 64a6d42e7dSPeter Dunlap #define DEFAULT_RADIUS_PORT 1812 65a6d42e7dSPeter Dunlap 66a6d42e7dSPeter Dunlap static void 67a6d42e7dSPeter Dunlap login_sm_complete(void *ict_void); 68a6d42e7dSPeter Dunlap 69a6d42e7dSPeter Dunlap static void 70a6d42e7dSPeter Dunlap login_sm_event_dispatch(iscsit_conn_login_t *lsm, iscsit_conn_t *ict, 71a6d42e7dSPeter Dunlap login_event_ctx_t *ctx); 72a6d42e7dSPeter Dunlap 73a6d42e7dSPeter Dunlap static void 74a6d42e7dSPeter Dunlap login_sm_init(iscsit_conn_t *ict, login_event_ctx_t *ctx); 75a6d42e7dSPeter Dunlap 76a6d42e7dSPeter Dunlap static void 77a6d42e7dSPeter Dunlap login_sm_waiting(iscsit_conn_t *ict, login_event_ctx_t *ctx); 78a6d42e7dSPeter Dunlap 79a6d42e7dSPeter Dunlap static void 80a6d42e7dSPeter Dunlap login_sm_processing(iscsit_conn_t *ict, login_event_ctx_t *ctx); 81a6d42e7dSPeter Dunlap 82a6d42e7dSPeter Dunlap static void 83a6d42e7dSPeter Dunlap login_sm_responding(iscsit_conn_t *ict, login_event_ctx_t *ctx); 84a6d42e7dSPeter Dunlap 85a6d42e7dSPeter Dunlap static void 86a6d42e7dSPeter Dunlap login_sm_responded(iscsit_conn_t *ict, login_event_ctx_t *ctx); 87a6d42e7dSPeter Dunlap 88a6d42e7dSPeter Dunlap static void 89a6d42e7dSPeter Dunlap login_sm_ffp(iscsit_conn_t *ict, login_event_ctx_t *ctx); 90a6d42e7dSPeter Dunlap 91a6d42e7dSPeter Dunlap static void 92a6d42e7dSPeter Dunlap login_sm_done(iscsit_conn_t *ict, login_event_ctx_t *ctx); 93a6d42e7dSPeter Dunlap 94a6d42e7dSPeter Dunlap static void 95a6d42e7dSPeter Dunlap login_sm_error(iscsit_conn_t *ict, login_event_ctx_t *ctx); 96a6d42e7dSPeter Dunlap 97a6d42e7dSPeter Dunlap static void 98a6d42e7dSPeter Dunlap login_sm_new_state(iscsit_conn_t *ict, login_event_ctx_t *ctx, 99a6d42e7dSPeter Dunlap iscsit_login_state_t new_state); 100a6d42e7dSPeter Dunlap 101a6d42e7dSPeter Dunlap static void 102a6d42e7dSPeter Dunlap login_sm_send_ack(iscsit_conn_t *ict, idm_pdu_t *pdu); 103a6d42e7dSPeter Dunlap 104a6d42e7dSPeter Dunlap static idm_status_t 105a6d42e7dSPeter Dunlap login_sm_validate_ack(iscsit_conn_t *ict, idm_pdu_t *pdu); 106a6d42e7dSPeter Dunlap 107a6d42e7dSPeter Dunlap static boolean_t 108a6d42e7dSPeter Dunlap login_sm_is_last_response(iscsit_conn_t *ict); 109a6d42e7dSPeter Dunlap 110a6d42e7dSPeter Dunlap static void 111a6d42e7dSPeter Dunlap login_sm_handle_initial_login(iscsit_conn_t *ict, idm_pdu_t *pdu); 112a6d42e7dSPeter Dunlap 113a6d42e7dSPeter Dunlap static void 114a6d42e7dSPeter Dunlap login_sm_send_next_response(iscsit_conn_t *ict); 115a6d42e7dSPeter Dunlap 116a6d42e7dSPeter Dunlap static void 117a6d42e7dSPeter Dunlap login_sm_process_request(iscsit_conn_t *ict); 118a6d42e7dSPeter Dunlap 119a6d42e7dSPeter Dunlap static idm_status_t 120a6d42e7dSPeter Dunlap login_sm_req_pdu_check(iscsit_conn_t *ict, idm_pdu_t *pdu); 121a6d42e7dSPeter Dunlap 122a6d42e7dSPeter Dunlap static idm_status_t 123a6d42e7dSPeter Dunlap login_sm_process_nvlist(iscsit_conn_t *ict); 124a6d42e7dSPeter Dunlap 125a6d42e7dSPeter Dunlap static idm_status_t 126a6d42e7dSPeter Dunlap login_sm_check_security(iscsit_conn_t *ict); 127a6d42e7dSPeter Dunlap 128a6d42e7dSPeter Dunlap static void 129a6d42e7dSPeter Dunlap login_sm_build_login_response(iscsit_conn_t *ict); 130a6d42e7dSPeter Dunlap 131a6d42e7dSPeter Dunlap static void 132a6d42e7dSPeter Dunlap login_sm_ffp_actions(iscsit_conn_t *ict); 133a6d42e7dSPeter Dunlap 134a6d42e7dSPeter Dunlap static idm_status_t 135a6d42e7dSPeter Dunlap login_sm_validate_initial_parameters(iscsit_conn_t *ict); 136a6d42e7dSPeter Dunlap 137a6d42e7dSPeter Dunlap static idm_status_t 138a6d42e7dSPeter Dunlap login_sm_session_bind(iscsit_conn_t *ict); 139a6d42e7dSPeter Dunlap 140a6d42e7dSPeter Dunlap static idm_status_t 141a6d42e7dSPeter Dunlap login_sm_set_auth(iscsit_conn_t *ict); 142a6d42e7dSPeter Dunlap 143a6d42e7dSPeter Dunlap static idm_status_t 144a6d42e7dSPeter Dunlap login_sm_session_register(iscsit_conn_t *ict); 145a6d42e7dSPeter Dunlap 146a6d42e7dSPeter Dunlap static kv_status_t 147a6d42e7dSPeter Dunlap iscsit_handle_key(iscsit_conn_t *ict, nvpair_t *nvp, char *nvp_name); 148a6d42e7dSPeter Dunlap 149a6d42e7dSPeter Dunlap static kv_status_t 150a6d42e7dSPeter Dunlap iscsit_handle_common_key(iscsit_conn_t *ict, nvpair_t *nvp, 151a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx); 152a6d42e7dSPeter Dunlap 153a6d42e7dSPeter Dunlap static kv_status_t 154a6d42e7dSPeter Dunlap iscsit_handle_security_key(iscsit_conn_t *ict, nvpair_t *nvp, 155a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx); 156a6d42e7dSPeter Dunlap 157a6d42e7dSPeter Dunlap static kv_status_t 158a6d42e7dSPeter Dunlap iscsit_reply_security_key(iscsit_conn_t *ict); 159a6d42e7dSPeter Dunlap 160a6d42e7dSPeter Dunlap static kv_status_t 161a6d42e7dSPeter Dunlap iscsit_handle_operational_key(iscsit_conn_t *ict, nvpair_t *nvp, 162a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx); 163a6d42e7dSPeter Dunlap 164a6d42e7dSPeter Dunlap static kv_status_t 165a6d42e7dSPeter Dunlap iscsit_reply_numerical(iscsit_conn_t *ict, 166a6d42e7dSPeter Dunlap const char *nvp_name, const uint64_t value); 167a6d42e7dSPeter Dunlap 168a6d42e7dSPeter Dunlap static kv_status_t 169a6d42e7dSPeter Dunlap iscsit_reply_string(iscsit_conn_t *ict, 170a6d42e7dSPeter Dunlap const char *nvp_name, const char *text); 171a6d42e7dSPeter Dunlap 172a6d42e7dSPeter Dunlap static kv_status_t 173a6d42e7dSPeter Dunlap iscsit_handle_digest(iscsit_conn_t *ict, nvpair_t *choices, 174a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx); 175a6d42e7dSPeter Dunlap 176a6d42e7dSPeter Dunlap static kv_status_t 177a6d42e7dSPeter Dunlap iscsit_handle_boolean(iscsit_conn_t *ict, nvpair_t *nvp, boolean_t value, 178a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx, boolean_t iscsit_value); 179a6d42e7dSPeter Dunlap 180a6d42e7dSPeter Dunlap static kv_status_t 181a6d42e7dSPeter Dunlap iscsit_handle_numerical(iscsit_conn_t *ict, nvpair_t *nvp, uint64_t value, 182a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx, 183a6d42e7dSPeter Dunlap uint64_t iscsi_min_value, uint64_t iscsi_max_value, 184a6d42e7dSPeter Dunlap uint64_t iscsit_max_value); 185a6d42e7dSPeter Dunlap 186a6d42e7dSPeter Dunlap static void 187a6d42e7dSPeter Dunlap iscsit_process_negotiated_values(iscsit_conn_t *ict); 188a6d42e7dSPeter Dunlap 189a6d42e7dSPeter Dunlap static void 190a6d42e7dSPeter Dunlap login_resp_complete_cb(idm_pdu_t *pdu, idm_status_t status); 191a6d42e7dSPeter Dunlap 192a6d42e7dSPeter Dunlap idm_status_t 193a6d42e7dSPeter Dunlap iscsit_login_sm_init(iscsit_conn_t *ict) 194a6d42e7dSPeter Dunlap { 195a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 196a6d42e7dSPeter Dunlap 197a6d42e7dSPeter Dunlap bzero(lsm, sizeof (iscsit_conn_login_t)); 198a6d42e7dSPeter Dunlap 199a6d42e7dSPeter Dunlap /* initialize the response pdu */ 200a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_login_resp = 201a6d42e7dSPeter Dunlap idm_pdu_alloc(sizeof (iscsi_hdr_t), 0); 202a6d42e7dSPeter Dunlap if (ict->ict_login_sm.icl_login_resp == NULL) { 203a6d42e7dSPeter Dunlap return (IDM_STATUS_FAIL); 204a6d42e7dSPeter Dunlap } 205a6d42e7dSPeter Dunlap idm_pdu_init(ict->ict_login_sm.icl_login_resp, 206a6d42e7dSPeter Dunlap ict->ict_ic, ict, login_resp_complete_cb); 207a6d42e7dSPeter Dunlap lsm->icl_login_resp->isp_flags |= IDM_PDU_LOGIN_TX; 208a6d42e7dSPeter Dunlap 209a6d42e7dSPeter Dunlap (void) nvlist_alloc(&lsm->icl_negotiated_values, NV_UNIQUE_NAME, 210a6d42e7dSPeter Dunlap KM_SLEEP); 211a6d42e7dSPeter Dunlap 212a6d42e7dSPeter Dunlap /* 213a6d42e7dSPeter Dunlap * Hold connection until the login state machine completes 214a6d42e7dSPeter Dunlap */ 215a6d42e7dSPeter Dunlap iscsit_conn_hold(ict); 216a6d42e7dSPeter Dunlap 217a6d42e7dSPeter Dunlap /* 218a6d42e7dSPeter Dunlap * Pre-allocating a login response PDU means we will always be 219a6d42e7dSPeter Dunlap * able to respond to a login request -- even if we can't allocate 220a6d42e7dSPeter Dunlap * a data buffer to hold the text responses we can at least send 221a6d42e7dSPeter Dunlap * a login failure. 222a6d42e7dSPeter Dunlap */ 223a6d42e7dSPeter Dunlap lsm->icl_login_resp_tmpl = kmem_zalloc(sizeof (iscsi_login_rsp_hdr_t), 224a6d42e7dSPeter Dunlap KM_SLEEP); 225a6d42e7dSPeter Dunlap 226a6d42e7dSPeter Dunlap idm_sm_audit_init(&lsm->icl_state_audit); 227a6d42e7dSPeter Dunlap mutex_init(&lsm->icl_mutex, NULL, MUTEX_DEFAULT, NULL); 228a6d42e7dSPeter Dunlap list_create(&lsm->icl_login_events, sizeof (login_event_ctx_t), 229a6d42e7dSPeter Dunlap offsetof(login_event_ctx_t, le_ctx_node)); 230a6d42e7dSPeter Dunlap list_create(&lsm->icl_pdu_list, sizeof (idm_pdu_t), 231a6d42e7dSPeter Dunlap offsetof(idm_pdu_t, isp_client_lnd)); 232a6d42e7dSPeter Dunlap 233a6d42e7dSPeter Dunlap lsm->icl_login_state = ILS_LOGIN_INIT; 234a6d42e7dSPeter Dunlap lsm->icl_login_last_state = ILS_LOGIN_INIT; 235a6d42e7dSPeter Dunlap 236a6d42e7dSPeter Dunlap /* 237a6d42e7dSPeter Dunlap * Initialize operational parameters to default values. Anything 238a6d42e7dSPeter Dunlap * we don't specifically negotiate stays at the default. 239a6d42e7dSPeter Dunlap */ 240a6d42e7dSPeter Dunlap ict->ict_op.op_discovery_session = B_FALSE; 241a6d42e7dSPeter Dunlap ict->ict_op.op_initial_r2t = ISCSI_DEFAULT_INITIALR2T; 242a6d42e7dSPeter Dunlap ict->ict_op.op_immed_data = ISCSI_DEFAULT_IMMEDIATE_DATA; 243a6d42e7dSPeter Dunlap ict->ict_op.op_data_pdu_in_order = ISCSI_DEFAULT_DATA_PDU_IN_ORDER; 244a6d42e7dSPeter Dunlap ict->ict_op.op_data_sequence_in_order = 245a6d42e7dSPeter Dunlap ISCSI_DEFAULT_DATA_SEQUENCE_IN_ORDER; 246a6d42e7dSPeter Dunlap ict->ict_op.op_max_connections = ISCSI_DEFAULT_MAX_CONNECTIONS; 247a6d42e7dSPeter Dunlap ict->ict_op.op_max_recv_data_segment_length = 248a6d42e7dSPeter Dunlap ISCSI_DEFAULT_MAX_RECV_SEG_LEN; 249a6d42e7dSPeter Dunlap ict->ict_op.op_max_burst_length = ISCSI_DEFAULT_MAX_BURST_LENGTH; 250a6d42e7dSPeter Dunlap ict->ict_op.op_first_burst_length = ISCSI_DEFAULT_FIRST_BURST_LENGTH; 251a6d42e7dSPeter Dunlap ict->ict_op.op_default_time_2_wait = ISCSI_DEFAULT_TIME_TO_WAIT; 252a6d42e7dSPeter Dunlap ict->ict_op.op_default_time_2_retain = ISCSI_DEFAULT_TIME_TO_RETAIN; 253a6d42e7dSPeter Dunlap ict->ict_op.op_max_outstanding_r2t = ISCSI_DEFAULT_MAX_OUT_R2T; 254a6d42e7dSPeter Dunlap ict->ict_op.op_error_recovery_level = 255a6d42e7dSPeter Dunlap ISCSI_DEFAULT_ERROR_RECOVERY_LEVEL; 256a6d42e7dSPeter Dunlap 257a6d42e7dSPeter Dunlap return (IDM_STATUS_SUCCESS); 258a6d42e7dSPeter Dunlap } 259a6d42e7dSPeter Dunlap 260a6d42e7dSPeter Dunlap static void 261a6d42e7dSPeter Dunlap login_resp_complete_cb(idm_pdu_t *pdu, idm_status_t status) 262a6d42e7dSPeter Dunlap { 263a6d42e7dSPeter Dunlap iscsit_conn_t *ict = pdu->isp_private; 264a6d42e7dSPeter Dunlap 265a6d42e7dSPeter Dunlap ASSERT(ict->ict_login_sm.icl_login_resp == pdu); 266a6d42e7dSPeter Dunlap /* 267a6d42e7dSPeter Dunlap * The icl_login_resp response buffer should only ever be used 268a6d42e7dSPeter Dunlap * during the LOGIN phase. 269a6d42e7dSPeter Dunlap */ 270a6d42e7dSPeter Dunlap ASSERT((pdu->isp_flags & IDM_PDU_LOGIN_TX) != 0); 271a6d42e7dSPeter Dunlap 272a6d42e7dSPeter Dunlap if ((status != IDM_STATUS_SUCCESS) || 273a6d42e7dSPeter Dunlap (ict->ict_login_sm.icl_login_resp_err_class != 0)) { 274a6d42e7dSPeter Dunlap iscsit_login_sm_event(ict, ILE_LOGIN_ERROR, NULL); 275a6d42e7dSPeter Dunlap } else if (login_sm_is_last_response(ict) == B_TRUE) { 276a6d42e7dSPeter Dunlap iscsit_login_sm_event(ict, ILE_LOGIN_RESP_COMPLETE, NULL); 277a6d42e7dSPeter Dunlap } 278a6d42e7dSPeter Dunlap } 279a6d42e7dSPeter Dunlap 280a6d42e7dSPeter Dunlap void 281a6d42e7dSPeter Dunlap iscsit_login_sm_fini(iscsit_conn_t *ict) 282a6d42e7dSPeter Dunlap { 283a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 284a6d42e7dSPeter Dunlap 285a6d42e7dSPeter Dunlap mutex_enter(&lsm->icl_mutex); 286a6d42e7dSPeter Dunlap list_destroy(&lsm->icl_pdu_list); 287a6d42e7dSPeter Dunlap list_destroy(&lsm->icl_login_events); 288a6d42e7dSPeter Dunlap mutex_exit(&lsm->icl_mutex); 289a6d42e7dSPeter Dunlap mutex_destroy(&lsm->icl_mutex); 290a6d42e7dSPeter Dunlap 291a6d42e7dSPeter Dunlap kmem_free(lsm->icl_login_resp_tmpl, sizeof (iscsi_login_rsp_hdr_t)); 292a6d42e7dSPeter Dunlap idm_pdu_free(lsm->icl_login_resp); 293a6d42e7dSPeter Dunlap 294a6d42e7dSPeter Dunlap /* clean up the login response idm text buffer */ 295a6d42e7dSPeter Dunlap if (lsm->icl_login_resp_itb != NULL) { 296a6d42e7dSPeter Dunlap idm_itextbuf_free(lsm->icl_login_resp_itb); 297a6d42e7dSPeter Dunlap lsm->icl_login_resp_itb = NULL; 298a6d42e7dSPeter Dunlap } 299a6d42e7dSPeter Dunlap 300a6d42e7dSPeter Dunlap nvlist_free(lsm->icl_negotiated_values); 301a6d42e7dSPeter Dunlap iscsit_conn_rele(ict); 302a6d42e7dSPeter Dunlap } 303a6d42e7dSPeter Dunlap 304a6d42e7dSPeter Dunlap void 305a6d42e7dSPeter Dunlap iscsit_login_sm_event(iscsit_conn_t *ict, iscsit_login_event_t event, 306a6d42e7dSPeter Dunlap idm_pdu_t *pdu) 307a6d42e7dSPeter Dunlap { 308a6d42e7dSPeter Dunlap /* 309a6d42e7dSPeter Dunlap * This is a bit ugly but if we're already in ILS_LOGIN_ERROR 310a6d42e7dSPeter Dunlap * or ILS_LOGIN_DONE then just drop any additional events. They 311a6d42e7dSPeter Dunlap * won't change the state and it's possible we've already called 312a6d42e7dSPeter Dunlap * iscsit_login_sm_fini in which case the mutex is destroyed. 313a6d42e7dSPeter Dunlap */ 314a6d42e7dSPeter Dunlap if ((ict->ict_login_sm.icl_login_state == ILS_LOGIN_ERROR) || 315a6d42e7dSPeter Dunlap (ict->ict_login_sm.icl_login_state == ILS_LOGIN_DONE)) 316a6d42e7dSPeter Dunlap return; 317a6d42e7dSPeter Dunlap 318a6d42e7dSPeter Dunlap mutex_enter(&ict->ict_login_sm.icl_mutex); 319a6d42e7dSPeter Dunlap iscsit_login_sm_event_locked(ict, event, pdu); 320a6d42e7dSPeter Dunlap mutex_exit(&ict->ict_login_sm.icl_mutex); 321a6d42e7dSPeter Dunlap } 322a6d42e7dSPeter Dunlap void 323a6d42e7dSPeter Dunlap iscsit_login_sm_event_locked(iscsit_conn_t *ict, iscsit_login_event_t event, 324a6d42e7dSPeter Dunlap idm_pdu_t *pdu) 325a6d42e7dSPeter Dunlap { 326a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 327a6d42e7dSPeter Dunlap login_event_ctx_t *ctx; 328a6d42e7dSPeter Dunlap 329a6d42e7dSPeter Dunlap ctx = kmem_zalloc(sizeof (*ctx), KM_SLEEP); 330a6d42e7dSPeter Dunlap 331a6d42e7dSPeter Dunlap ctx->le_ctx_event = event; 332a6d42e7dSPeter Dunlap ctx->le_pdu = pdu; 333a6d42e7dSPeter Dunlap 334a6d42e7dSPeter Dunlap list_insert_tail(&lsm->icl_login_events, ctx); 335a6d42e7dSPeter Dunlap 336a6d42e7dSPeter Dunlap /* 337a6d42e7dSPeter Dunlap * Use the icl_busy flag to keep the state machine single threaded. 338a6d42e7dSPeter Dunlap * This also serves as recursion avoidance since this flag will 339a6d42e7dSPeter Dunlap * always be set if we call login_sm_event from within the 340a6d42e7dSPeter Dunlap * state machine code. 341a6d42e7dSPeter Dunlap */ 342a6d42e7dSPeter Dunlap if (!lsm->icl_busy) { 343a6d42e7dSPeter Dunlap lsm->icl_busy = B_TRUE; 344a6d42e7dSPeter Dunlap while (!list_is_empty(&lsm->icl_login_events)) { 345a6d42e7dSPeter Dunlap ctx = list_head(&lsm->icl_login_events); 346a6d42e7dSPeter Dunlap list_remove(&lsm->icl_login_events, ctx); 347a6d42e7dSPeter Dunlap idm_sm_audit_event(&lsm->icl_state_audit, 348a6d42e7dSPeter Dunlap SAS_ISCSIT_LOGIN, (int)lsm->icl_login_state, 349a6d42e7dSPeter Dunlap (int)ctx->le_ctx_event, (uintptr_t)pdu); 350a6d42e7dSPeter Dunlap 351*30e7468fSPeter Dunlap /* 352*30e7468fSPeter Dunlap * If the lsm is in a terminal state, just drain 353*30e7468fSPeter Dunlap * any remaining events. 354*30e7468fSPeter Dunlap */ 355*30e7468fSPeter Dunlap if ((lsm->icl_login_state == ILS_LOGIN_ERROR) || 356*30e7468fSPeter Dunlap (lsm->icl_login_state == ILS_LOGIN_DONE)) { 357*30e7468fSPeter Dunlap kmem_free(ctx, sizeof (*ctx)); 358*30e7468fSPeter Dunlap continue; 359*30e7468fSPeter Dunlap } 360a6d42e7dSPeter Dunlap mutex_exit(&lsm->icl_mutex); 361a6d42e7dSPeter Dunlap login_sm_event_dispatch(lsm, ict, ctx); 362a6d42e7dSPeter Dunlap mutex_enter(&lsm->icl_mutex); 363a6d42e7dSPeter Dunlap } 364a6d42e7dSPeter Dunlap lsm->icl_busy = B_FALSE; 365a6d42e7dSPeter Dunlap 366a6d42e7dSPeter Dunlap /* 367a6d42e7dSPeter Dunlap * When the state machine reaches ILS_LOGIN_DONE or 368a6d42e7dSPeter Dunlap * ILS_LOGIN_ERROR state the login process has completed 369a6d42e7dSPeter Dunlap * and it's time to cleanup. The state machine code will 370a6d42e7dSPeter Dunlap * mark itself "complete" when this happens. 371a6d42e7dSPeter Dunlap * 372a6d42e7dSPeter Dunlap * To protect against spurious events (which shouldn't 373a6d42e7dSPeter Dunlap * happen) set icl_busy again. 374a6d42e7dSPeter Dunlap */ 375a6d42e7dSPeter Dunlap if (lsm->icl_login_complete) { 376a6d42e7dSPeter Dunlap lsm->icl_busy = B_TRUE; 377a6d42e7dSPeter Dunlap if (taskq_dispatch(iscsit_global.global_dispatch_taskq, 378a6d42e7dSPeter Dunlap login_sm_complete, ict, DDI_SLEEP) == NULL) { 379a6d42e7dSPeter Dunlap cmn_err(CE_WARN, "iscsit_login_sm_event_locked:" 380a6d42e7dSPeter Dunlap " Failed to dispatch task"); 381a6d42e7dSPeter Dunlap } 382a6d42e7dSPeter Dunlap } 383a6d42e7dSPeter Dunlap } 384a6d42e7dSPeter Dunlap } 385a6d42e7dSPeter Dunlap 386a6d42e7dSPeter Dunlap static void 387a6d42e7dSPeter Dunlap login_sm_complete(void *ict_void) 388a6d42e7dSPeter Dunlap { 389a6d42e7dSPeter Dunlap iscsit_conn_t *ict = ict_void; 390a6d42e7dSPeter Dunlap 391a6d42e7dSPeter Dunlap /* 392a6d42e7dSPeter Dunlap * State machine has run to completion, release state machine resources 393a6d42e7dSPeter Dunlap */ 394a6d42e7dSPeter Dunlap iscsit_login_sm_fini(ict); 395a6d42e7dSPeter Dunlap } 396a6d42e7dSPeter Dunlap 397a6d42e7dSPeter Dunlap static void 398a6d42e7dSPeter Dunlap login_sm_event_dispatch(iscsit_conn_login_t *lsm, iscsit_conn_t *ict, 399a6d42e7dSPeter Dunlap login_event_ctx_t *ctx) 400a6d42e7dSPeter Dunlap { 401a6d42e7dSPeter Dunlap idm_pdu_t *pdu = ctx->le_pdu; /* Only valid for some events */ 402a6d42e7dSPeter Dunlap 403a6d42e7dSPeter Dunlap DTRACE_PROBE2(login__event, iscsit_conn_t *, ict, 404a6d42e7dSPeter Dunlap login_event_ctx_t *, ctx); 405a6d42e7dSPeter Dunlap 406a6d42e7dSPeter Dunlap IDM_SM_LOG(CE_NOTE, "login_sm_event_dispatch: ict %p event %s(%d)", 407a6d42e7dSPeter Dunlap (void *)ict, 408a6d42e7dSPeter Dunlap iscsit_ile_name[ctx->le_ctx_event], ctx->le_ctx_event); 409a6d42e7dSPeter Dunlap 410a6d42e7dSPeter Dunlap /* State independent actions */ 411a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 412a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 413a6d42e7dSPeter Dunlap /* Perform basic sanity checks on the header */ 414a6d42e7dSPeter Dunlap if (login_sm_req_pdu_check(ict, pdu) != IDM_STATUS_SUCCESS) { 415a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_INITIATOR_ERR, 416a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_INVALID_REQUEST); 417a6d42e7dSPeter Dunlap /* 418a6d42e7dSPeter Dunlap * If we haven't processed any PDU's yet then use 419a6d42e7dSPeter Dunlap * this one as a template for the response 420a6d42e7dSPeter Dunlap */ 421a6d42e7dSPeter Dunlap if (ict->ict_login_sm.icl_login_resp_tmpl->opcode == 0) 422a6d42e7dSPeter Dunlap login_sm_handle_initial_login(ict, pdu); 423a6d42e7dSPeter Dunlap login_sm_build_login_response(ict); 424a6d42e7dSPeter Dunlap login_sm_send_next_response(ict); 425a6d42e7dSPeter Dunlap idm_pdu_complete(pdu, IDM_STATUS_SUCCESS); 426*30e7468fSPeter Dunlap kmem_free(ctx, sizeof (*ctx)); 427a6d42e7dSPeter Dunlap return; 428a6d42e7dSPeter Dunlap } 429a6d42e7dSPeter Dunlap break; 430a6d42e7dSPeter Dunlap default: 431a6d42e7dSPeter Dunlap break; 432a6d42e7dSPeter Dunlap } 433a6d42e7dSPeter Dunlap 434a6d42e7dSPeter Dunlap /* State dependent actions */ 435a6d42e7dSPeter Dunlap switch (lsm->icl_login_state) { 436a6d42e7dSPeter Dunlap case ILS_LOGIN_INIT: 437a6d42e7dSPeter Dunlap login_sm_init(ict, ctx); 438a6d42e7dSPeter Dunlap break; 439a6d42e7dSPeter Dunlap case ILS_LOGIN_WAITING: 440a6d42e7dSPeter Dunlap login_sm_waiting(ict, ctx); 441a6d42e7dSPeter Dunlap break; 442a6d42e7dSPeter Dunlap case ILS_LOGIN_PROCESSING: 443a6d42e7dSPeter Dunlap login_sm_processing(ict, ctx); 444a6d42e7dSPeter Dunlap break; 445a6d42e7dSPeter Dunlap case ILS_LOGIN_RESPONDING: 446a6d42e7dSPeter Dunlap login_sm_responding(ict, ctx); 447a6d42e7dSPeter Dunlap break; 448a6d42e7dSPeter Dunlap case ILS_LOGIN_RESPONDED: 449a6d42e7dSPeter Dunlap login_sm_responded(ict, ctx); 450a6d42e7dSPeter Dunlap break; 451a6d42e7dSPeter Dunlap case ILS_LOGIN_FFP: 452a6d42e7dSPeter Dunlap login_sm_ffp(ict, ctx); 453a6d42e7dSPeter Dunlap break; 454a6d42e7dSPeter Dunlap case ILS_LOGIN_DONE: 455a6d42e7dSPeter Dunlap login_sm_done(ict, ctx); 456a6d42e7dSPeter Dunlap break; 457a6d42e7dSPeter Dunlap case ILS_LOGIN_ERROR: 458a6d42e7dSPeter Dunlap login_sm_error(ict, ctx); 459a6d42e7dSPeter Dunlap break; 460a6d42e7dSPeter Dunlap } 461a6d42e7dSPeter Dunlap 462a6d42e7dSPeter Dunlap kmem_free(ctx, sizeof (*ctx)); 463a6d42e7dSPeter Dunlap } 464a6d42e7dSPeter Dunlap 465a6d42e7dSPeter Dunlap static void 466a6d42e7dSPeter Dunlap login_sm_init(iscsit_conn_t *ict, login_event_ctx_t *ctx) 467a6d42e7dSPeter Dunlap { 468a6d42e7dSPeter Dunlap idm_pdu_t *pdu; 469a6d42e7dSPeter Dunlap 470a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 471a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 472a6d42e7dSPeter Dunlap pdu = ctx->le_pdu; 473a6d42e7dSPeter Dunlap 474a6d42e7dSPeter Dunlap /* 475a6d42e7dSPeter Dunlap * This is the first login PDU we've received so use 476a6d42e7dSPeter Dunlap * it to build the login response template and set our CSG. 477a6d42e7dSPeter Dunlap */ 478a6d42e7dSPeter Dunlap login_sm_handle_initial_login(ict, pdu); 479a6d42e7dSPeter Dunlap 480a6d42e7dSPeter Dunlap /* 481a6d42e7dSPeter Dunlap * Accumulate all the login PDU's that make up this 482a6d42e7dSPeter Dunlap * request on a queue. 483a6d42e7dSPeter Dunlap */ 484a6d42e7dSPeter Dunlap mutex_enter(&ict->ict_login_sm.icl_mutex); 485a6d42e7dSPeter Dunlap list_insert_tail(&ict->ict_login_sm.icl_pdu_list, pdu); 486a6d42e7dSPeter Dunlap mutex_exit(&ict->ict_login_sm.icl_mutex); 487a6d42e7dSPeter Dunlap 488a6d42e7dSPeter Dunlap if (pdu->isp_hdr->flags & ISCSI_FLAG_LOGIN_CONTINUE) { 489a6d42e7dSPeter Dunlap login_sm_send_ack(ict, pdu); 490a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_WAITING); 491a6d42e7dSPeter Dunlap } else { 492a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_PROCESSING); 493a6d42e7dSPeter Dunlap } 494a6d42e7dSPeter Dunlap break; 495a6d42e7dSPeter Dunlap case ILE_LOGIN_CONN_ERROR: 496a6d42e7dSPeter Dunlap case ILE_LOGIN_ERROR: 497a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_ERROR); 498a6d42e7dSPeter Dunlap break; 499a6d42e7dSPeter Dunlap default: 500a6d42e7dSPeter Dunlap ASSERT(0); 501a6d42e7dSPeter Dunlap } 502a6d42e7dSPeter Dunlap } 503a6d42e7dSPeter Dunlap 504a6d42e7dSPeter Dunlap static void 505a6d42e7dSPeter Dunlap login_sm_waiting(iscsit_conn_t *ict, login_event_ctx_t *ctx) 506a6d42e7dSPeter Dunlap { 507a6d42e7dSPeter Dunlap idm_pdu_t *pdu; 508a6d42e7dSPeter Dunlap 509a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 510a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 511a6d42e7dSPeter Dunlap pdu = ctx->le_pdu; 512a6d42e7dSPeter Dunlap mutex_enter(&ict->ict_login_sm.icl_mutex); 513a6d42e7dSPeter Dunlap list_insert_tail(&ict->ict_login_sm.icl_pdu_list, pdu); 514a6d42e7dSPeter Dunlap mutex_exit(&ict->ict_login_sm.icl_mutex); 515a6d42e7dSPeter Dunlap if (!(pdu->isp_hdr->flags & ISCSI_FLAG_LOGIN_CONTINUE)) { 516a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_PROCESSING); 517a6d42e7dSPeter Dunlap } else { 518a6d42e7dSPeter Dunlap login_sm_send_ack(ict, pdu); 519a6d42e7dSPeter Dunlap } 520a6d42e7dSPeter Dunlap break; 521a6d42e7dSPeter Dunlap case ILE_LOGIN_ERROR: 522a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_ERROR); 523a6d42e7dSPeter Dunlap break; 524a6d42e7dSPeter Dunlap case ILE_LOGIN_RESP_COMPLETE: 525a6d42e7dSPeter Dunlap break; 526a6d42e7dSPeter Dunlap default: 527a6d42e7dSPeter Dunlap ASSERT(0); 528a6d42e7dSPeter Dunlap } 529a6d42e7dSPeter Dunlap } 530a6d42e7dSPeter Dunlap 531a6d42e7dSPeter Dunlap static void 532a6d42e7dSPeter Dunlap login_sm_processing(iscsit_conn_t *ict, login_event_ctx_t *ctx) 533a6d42e7dSPeter Dunlap { 534a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 535a6d42e7dSPeter Dunlap case ILE_LOGIN_RESP_READY: 536a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_RESPONDING); 537a6d42e7dSPeter Dunlap break; 538a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 539a6d42e7dSPeter Dunlap idm_pdu_complete(ctx->le_pdu, IDM_STATUS_SUCCESS); 540a6d42e7dSPeter Dunlap /*FALLTHROUGH*/ 541a6d42e7dSPeter Dunlap case ILE_LOGIN_CONN_ERROR: 542a6d42e7dSPeter Dunlap case ILE_LOGIN_ERROR: 543a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_ERROR); 544a6d42e7dSPeter Dunlap break; 545a6d42e7dSPeter Dunlap default: 546a6d42e7dSPeter Dunlap ASSERT(0); 547a6d42e7dSPeter Dunlap } 548a6d42e7dSPeter Dunlap } 549a6d42e7dSPeter Dunlap 550a6d42e7dSPeter Dunlap static void 551a6d42e7dSPeter Dunlap login_sm_responding(iscsit_conn_t *ict, login_event_ctx_t *ctx) 552a6d42e7dSPeter Dunlap { 553a6d42e7dSPeter Dunlap idm_pdu_t *pdu; 554a6d42e7dSPeter Dunlap 555a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 556a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 557a6d42e7dSPeter Dunlap pdu = ctx->le_pdu; 558a6d42e7dSPeter Dunlap /* 559a6d42e7dSPeter Dunlap * We should only be in "responding" state if we have not 560a6d42e7dSPeter Dunlap * sent the last PDU of a multi-PDU login response sequence. 561a6d42e7dSPeter Dunlap * In that case we expect this received PDU to be an 562a6d42e7dSPeter Dunlap * acknowledgement from the initiator (login PDU with C 563a6d42e7dSPeter Dunlap * bit cleared and no data). If it's the acknowledgement 564a6d42e7dSPeter Dunlap * we are expecting then we send the next PDU in the login 565a6d42e7dSPeter Dunlap * response sequence. Otherwise it's a protocol error and 566a6d42e7dSPeter Dunlap * the login fails. 567a6d42e7dSPeter Dunlap */ 568a6d42e7dSPeter Dunlap if (login_sm_validate_ack(ict, pdu) == IDM_STATUS_SUCCESS) { 569a6d42e7dSPeter Dunlap login_sm_build_login_response(ict); 570a6d42e7dSPeter Dunlap login_sm_send_next_response(ict); 571a6d42e7dSPeter Dunlap } else { 572a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_ERROR); 573a6d42e7dSPeter Dunlap } 574a6d42e7dSPeter Dunlap idm_pdu_complete(pdu, IDM_STATUS_SUCCESS); 575a6d42e7dSPeter Dunlap break; 576a6d42e7dSPeter Dunlap case ILE_LOGIN_FFP: 577a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_FFP); 578a6d42e7dSPeter Dunlap break; 579a6d42e7dSPeter Dunlap case ILE_LOGIN_RESP_COMPLETE: 580a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_RESPONDED); 581a6d42e7dSPeter Dunlap break; 582a6d42e7dSPeter Dunlap case ILE_LOGIN_CONN_ERROR: 583a6d42e7dSPeter Dunlap case ILE_LOGIN_ERROR: 584a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_ERROR); 585a6d42e7dSPeter Dunlap break; 586a6d42e7dSPeter Dunlap default: 587a6d42e7dSPeter Dunlap ASSERT(0); 588a6d42e7dSPeter Dunlap } 589a6d42e7dSPeter Dunlap } 590a6d42e7dSPeter Dunlap 591a6d42e7dSPeter Dunlap static void 592a6d42e7dSPeter Dunlap login_sm_responded(iscsit_conn_t *ict, login_event_ctx_t *ctx) 593a6d42e7dSPeter Dunlap { 594a6d42e7dSPeter Dunlap idm_pdu_t *pdu; 595a6d42e7dSPeter Dunlap iscsi_login_hdr_t *lh; 596a6d42e7dSPeter Dunlap 597a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 598a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 599a6d42e7dSPeter Dunlap pdu = ctx->le_pdu; 600a6d42e7dSPeter Dunlap lh = (iscsi_login_hdr_t *)pdu->isp_hdr; 601a6d42e7dSPeter Dunlap /* 602a6d42e7dSPeter Dunlap * Set the CSG, NSG and Transit bits based on the this PDU. 603a6d42e7dSPeter Dunlap * The CSG already validated in login_sm_req_pdu_check(). 604a6d42e7dSPeter Dunlap * We'll clear the transit bit if we encounter any login 605a6d42e7dSPeter Dunlap * parameters in the request that required an additional 606a6d42e7dSPeter Dunlap * login transfer (i.e. no acceptable 607a6d42e7dSPeter Dunlap * choices in range or we needed to change a boolean 608a6d42e7dSPeter Dunlap * value from "Yes" to "No"). 609a6d42e7dSPeter Dunlap */ 610a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_login_csg = 611a6d42e7dSPeter Dunlap ISCSI_LOGIN_CURRENT_STAGE(lh->flags); 612a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_login_nsg = 613a6d42e7dSPeter Dunlap ISCSI_LOGIN_NEXT_STAGE(lh->flags); 614a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_login_transit = 615a6d42e7dSPeter Dunlap lh->flags & ISCSI_FLAG_LOGIN_TRANSIT; 616a6d42e7dSPeter Dunlap mutex_enter(&ict->ict_login_sm.icl_mutex); 617a6d42e7dSPeter Dunlap list_insert_tail(&ict->ict_login_sm.icl_pdu_list, pdu); 618a6d42e7dSPeter Dunlap mutex_exit(&ict->ict_login_sm.icl_mutex); 619a6d42e7dSPeter Dunlap if (pdu->isp_hdr->flags & ISCSI_FLAG_LOGIN_CONTINUE) { 620a6d42e7dSPeter Dunlap login_sm_send_ack(ict, pdu); 621a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_WAITING); 622a6d42e7dSPeter Dunlap } else { 623a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_PROCESSING); 624a6d42e7dSPeter Dunlap } 625a6d42e7dSPeter Dunlap break; 626a6d42e7dSPeter Dunlap case ILE_LOGIN_CONN_ERROR: 627a6d42e7dSPeter Dunlap case ILE_LOGIN_ERROR: 628a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_ERROR); 629a6d42e7dSPeter Dunlap break; 630a6d42e7dSPeter Dunlap default: 631a6d42e7dSPeter Dunlap ASSERT(0); 632a6d42e7dSPeter Dunlap } 633a6d42e7dSPeter Dunlap } 634a6d42e7dSPeter Dunlap 635a6d42e7dSPeter Dunlap static void 636a6d42e7dSPeter Dunlap login_sm_ffp(iscsit_conn_t *ict, login_event_ctx_t *ctx) 637a6d42e7dSPeter Dunlap { 638a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 639a6d42e7dSPeter Dunlap case ILE_LOGIN_RESP_COMPLETE: 640a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_DONE); 641a6d42e7dSPeter Dunlap break; 642a6d42e7dSPeter Dunlap case ILE_LOGIN_CONN_ERROR: 643a6d42e7dSPeter Dunlap case ILE_LOGIN_ERROR: 644a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_ERROR); 645a6d42e7dSPeter Dunlap break; 646a6d42e7dSPeter Dunlap default: 647a6d42e7dSPeter Dunlap ASSERT(0); 648a6d42e7dSPeter Dunlap } 649a6d42e7dSPeter Dunlap 650a6d42e7dSPeter Dunlap } 651a6d42e7dSPeter Dunlap 652a6d42e7dSPeter Dunlap /*ARGSUSED*/ 653a6d42e7dSPeter Dunlap static void 654a6d42e7dSPeter Dunlap login_sm_done(iscsit_conn_t *ict, login_event_ctx_t *ctx) 655a6d42e7dSPeter Dunlap { 656a6d42e7dSPeter Dunlap /* Terminal state, we should get no events */ 657a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 658a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 659a6d42e7dSPeter Dunlap /* 660a6d42e7dSPeter Dunlap * We've already processed everything we're going to 661a6d42e7dSPeter Dunlap * process. Drop any additional login PDU's. 662a6d42e7dSPeter Dunlap */ 663a6d42e7dSPeter Dunlap idm_pdu_complete(ctx->le_pdu, IDM_STATUS_SUCCESS); 664a6d42e7dSPeter Dunlap break; 665a6d42e7dSPeter Dunlap case ILE_LOGIN_CONN_ERROR: 666a6d42e7dSPeter Dunlap /* Don't care */ 667a6d42e7dSPeter Dunlap break; 668a6d42e7dSPeter Dunlap default: 669a6d42e7dSPeter Dunlap ASSERT(0); 670a6d42e7dSPeter Dunlap } 671a6d42e7dSPeter Dunlap } 672a6d42e7dSPeter Dunlap 673a6d42e7dSPeter Dunlap /*ARGSUSED*/ 674a6d42e7dSPeter Dunlap static void 675a6d42e7dSPeter Dunlap login_sm_error(iscsit_conn_t *ict, login_event_ctx_t *ctx) 676a6d42e7dSPeter Dunlap { 677a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 678a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 679a6d42e7dSPeter Dunlap /* 680a6d42e7dSPeter Dunlap * We've already processed everything we're going to 681a6d42e7dSPeter Dunlap * process. Drop any additional login PDU's. 682a6d42e7dSPeter Dunlap */ 683a6d42e7dSPeter Dunlap idm_pdu_complete(ctx->le_pdu, IDM_STATUS_SUCCESS); 684a6d42e7dSPeter Dunlap break; 685a6d42e7dSPeter Dunlap case ILE_LOGIN_CONN_ERROR: 686a6d42e7dSPeter Dunlap /* Don't care */ 687a6d42e7dSPeter Dunlap break; 688a6d42e7dSPeter Dunlap default: 689a6d42e7dSPeter Dunlap ASSERT(0); 690a6d42e7dSPeter Dunlap } 691a6d42e7dSPeter Dunlap } 692a6d42e7dSPeter Dunlap 693a6d42e7dSPeter Dunlap static void 694a6d42e7dSPeter Dunlap login_sm_new_state(iscsit_conn_t *ict, login_event_ctx_t *ctx, 695a6d42e7dSPeter Dunlap iscsit_login_state_t new_state) 696a6d42e7dSPeter Dunlap { 697a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 698a6d42e7dSPeter Dunlap 699a6d42e7dSPeter Dunlap /* 700a6d42e7dSPeter Dunlap * Validate new state 701a6d42e7dSPeter Dunlap */ 702a6d42e7dSPeter Dunlap ASSERT(new_state != ILS_UNDEFINED); 703a6d42e7dSPeter Dunlap ASSERT3U(new_state, <, ILS_MAX_STATE); 704a6d42e7dSPeter Dunlap 705a6d42e7dSPeter Dunlap new_state = (new_state < ILS_MAX_STATE) ? 706a6d42e7dSPeter Dunlap new_state : ILS_UNDEFINED; 707a6d42e7dSPeter Dunlap 708a6d42e7dSPeter Dunlap IDM_SM_LOG(CE_NOTE, "login_sm_new_state: conn %p " 709a6d42e7dSPeter Dunlap "%s (%d) --> %s (%d)\n", (void *)ict->ict_ic, 710a6d42e7dSPeter Dunlap iscsit_ils_name[lsm->icl_login_state], lsm->icl_login_state, 711a6d42e7dSPeter Dunlap iscsit_ils_name[new_state], new_state); 712a6d42e7dSPeter Dunlap 713a6d42e7dSPeter Dunlap DTRACE_PROBE3(login__state__change, 714a6d42e7dSPeter Dunlap iscsit_conn_t *, ict, login_event_ctx_t *, ctx, 715a6d42e7dSPeter Dunlap iscsit_login_state_t, new_state); 716a6d42e7dSPeter Dunlap 717a6d42e7dSPeter Dunlap mutex_enter(&lsm->icl_mutex); 718a6d42e7dSPeter Dunlap idm_sm_audit_state_change(&lsm->icl_state_audit, SAS_ISCSIT_LOGIN, 719a6d42e7dSPeter Dunlap (int)lsm->icl_login_state, (int)new_state); 720a6d42e7dSPeter Dunlap lsm->icl_login_last_state = lsm->icl_login_state; 721a6d42e7dSPeter Dunlap lsm->icl_login_state = new_state; 722a6d42e7dSPeter Dunlap mutex_exit(&lsm->icl_mutex); 723a6d42e7dSPeter Dunlap 724a6d42e7dSPeter Dunlap switch (lsm->icl_login_state) { 725a6d42e7dSPeter Dunlap case ILS_LOGIN_WAITING: 726a6d42e7dSPeter Dunlap /* Do nothing, waiting for more login PDU's */ 727a6d42e7dSPeter Dunlap break; 728a6d42e7dSPeter Dunlap case ILS_LOGIN_PROCESSING: 729a6d42e7dSPeter Dunlap /* All login PDU's received, process login request */ 730a6d42e7dSPeter Dunlap login_sm_process_request(ict); 731a6d42e7dSPeter Dunlap break; 732a6d42e7dSPeter Dunlap case ILS_LOGIN_RESPONDING: 733a6d42e7dSPeter Dunlap login_sm_send_next_response(ict); 734a6d42e7dSPeter Dunlap break; 735a6d42e7dSPeter Dunlap case ILS_LOGIN_RESPONDED: 736a6d42e7dSPeter Dunlap /* clean up the login response idm text buffer */ 737a6d42e7dSPeter Dunlap if (lsm->icl_login_resp_itb != NULL) { 738a6d42e7dSPeter Dunlap idm_itextbuf_free(lsm->icl_login_resp_itb); 739a6d42e7dSPeter Dunlap lsm->icl_login_resp_itb = NULL; 740a6d42e7dSPeter Dunlap } 741a6d42e7dSPeter Dunlap break; 742a6d42e7dSPeter Dunlap case ILS_LOGIN_FFP: 743a6d42e7dSPeter Dunlap login_sm_ffp_actions(ict); 744a6d42e7dSPeter Dunlap break; 745a6d42e7dSPeter Dunlap case ILS_LOGIN_DONE: 746a6d42e7dSPeter Dunlap case ILS_LOGIN_ERROR: 747a6d42e7dSPeter Dunlap /* Free login SM resources */ 748a6d42e7dSPeter Dunlap lsm->icl_login_complete = B_TRUE; 749a6d42e7dSPeter Dunlap break; 750a6d42e7dSPeter Dunlap case ILS_LOGIN_INIT: /* Initial state, can't return */ 751a6d42e7dSPeter Dunlap default: 752a6d42e7dSPeter Dunlap ASSERT(0); 753a6d42e7dSPeter Dunlap /*NOTREACHED*/ 754a6d42e7dSPeter Dunlap } 755a6d42e7dSPeter Dunlap } 756a6d42e7dSPeter Dunlap 757a6d42e7dSPeter Dunlap /*ARGSUSED*/ 758a6d42e7dSPeter Dunlap static void 759a6d42e7dSPeter Dunlap login_sm_send_ack(iscsit_conn_t *ict, idm_pdu_t *pdu) 760a6d42e7dSPeter Dunlap { 761a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 762a6d42e7dSPeter Dunlap 763a6d42e7dSPeter Dunlap ASSERT((lsm->icl_login_resp->isp_flags & IDM_PDU_LOGIN_TX) != 0); 764a6d42e7dSPeter Dunlap bcopy(lsm->icl_login_resp_tmpl, 765a6d42e7dSPeter Dunlap lsm->icl_login_resp->isp_hdr, sizeof (iscsi_hdr_t)); 766a6d42e7dSPeter Dunlap idm_pdu_tx(lsm->icl_login_resp); 767a6d42e7dSPeter Dunlap } 768a6d42e7dSPeter Dunlap 769a6d42e7dSPeter Dunlap /*ARGSUSED*/ 770a6d42e7dSPeter Dunlap static idm_status_t 771a6d42e7dSPeter Dunlap login_sm_validate_ack(iscsit_conn_t *ict, idm_pdu_t *pdu) 772a6d42e7dSPeter Dunlap { 773a6d42e7dSPeter Dunlap iscsi_hdr_t *ihp = pdu->isp_hdr; 774a6d42e7dSPeter Dunlap if (ihp->flags & ISCSI_FLAG_TEXT_CONTINUE) { 775a6d42e7dSPeter Dunlap return (IDM_STATUS_FAIL); 776a6d42e7dSPeter Dunlap } 777a6d42e7dSPeter Dunlap if (ntoh24(ihp->dlength) != 0) { 778a6d42e7dSPeter Dunlap return (IDM_STATUS_FAIL); 779a6d42e7dSPeter Dunlap } 780a6d42e7dSPeter Dunlap return (IDM_STATUS_SUCCESS); 781a6d42e7dSPeter Dunlap } 782a6d42e7dSPeter Dunlap 783a6d42e7dSPeter Dunlap static boolean_t 784a6d42e7dSPeter Dunlap login_sm_is_last_response(iscsit_conn_t *ict) 785a6d42e7dSPeter Dunlap { 786a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 787a6d42e7dSPeter Dunlap 788a6d42e7dSPeter Dunlap if (lsm->icl_login_resp->isp_hdr->flags & ISCSI_FLAG_LOGIN_CONTINUE) { 789a6d42e7dSPeter Dunlap return (B_FALSE); 790a6d42e7dSPeter Dunlap } 791a6d42e7dSPeter Dunlap return (B_TRUE); 792a6d42e7dSPeter Dunlap } 793a6d42e7dSPeter Dunlap 794a6d42e7dSPeter Dunlap 795a6d42e7dSPeter Dunlap static void 796a6d42e7dSPeter Dunlap login_sm_handle_initial_login(iscsit_conn_t *ict, idm_pdu_t *pdu) 797a6d42e7dSPeter Dunlap { 798a6d42e7dSPeter Dunlap iscsi_login_hdr_t *lh_req = (iscsi_login_hdr_t *)pdu->isp_hdr; 799a6d42e7dSPeter Dunlap iscsi_login_rsp_hdr_t *lh_resp = 800a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_login_resp_tmpl; 801a6d42e7dSPeter Dunlap 802a6d42e7dSPeter Dunlap /* 803a6d42e7dSPeter Dunlap * First login PDU, this connection should not have a sesssion 804a6d42e7dSPeter Dunlap * associated. 805a6d42e7dSPeter Dunlap */ 806a6d42e7dSPeter Dunlap ASSERT(ict->ict_sess == NULL); 807a6d42e7dSPeter Dunlap 808a6d42e7dSPeter Dunlap /* 809a6d42e7dSPeter Dunlap * Save off TSIH and ISID for later use in finding a session 810a6d42e7dSPeter Dunlap */ 811a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_cmdsn = ntohl(lh_req->cmdsn); 812a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_tsih = ntohs(lh_req->tsid); 813a6d42e7dSPeter Dunlap bcopy(lh_req->isid, ict->ict_login_sm.icl_isid, ISCSI_ISID_LEN); 814a6d42e7dSPeter Dunlap 815a6d42e7dSPeter Dunlap /* 816a6d42e7dSPeter Dunlap * We'll need the CID as well 817a6d42e7dSPeter Dunlap */ 818a6d42e7dSPeter Dunlap ict->ict_cid = ntohs(lh_req->cid); 819a6d42e7dSPeter Dunlap 820a6d42e7dSPeter Dunlap /* 821a6d42e7dSPeter Dunlap * Set the CSG, NSG and Transit bits based on the first PDU 822a6d42e7dSPeter Dunlap * in the login sequence. The CSG already validated in 823a6d42e7dSPeter Dunlap * login_sm_req_pdu_check(). We'll clear the transit bit if 824a6d42e7dSPeter Dunlap * we encounter any login parameters in the request that 825a6d42e7dSPeter Dunlap * required an additional login transfer (i.e. no acceptable 826a6d42e7dSPeter Dunlap * choices in range or we needed to change a boolean 827a6d42e7dSPeter Dunlap * value from "Yes" to "No"). 828a6d42e7dSPeter Dunlap */ 829a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_login_csg = 830a6d42e7dSPeter Dunlap ISCSI_LOGIN_CURRENT_STAGE(lh_req->flags); 831a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_login_nsg = 832a6d42e7dSPeter Dunlap ISCSI_LOGIN_NEXT_STAGE(lh_req->flags); 833a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_login_transit = 834a6d42e7dSPeter Dunlap lh_req->flags & ISCSI_FLAG_LOGIN_TRANSIT; 835a6d42e7dSPeter Dunlap 836a6d42e7dSPeter Dunlap /* 837a6d42e7dSPeter Dunlap * Initialize header for login reject response. This will also 838a6d42e7dSPeter Dunlap * be copied for use as a template for other login responses 839a6d42e7dSPeter Dunlap */ 840a6d42e7dSPeter Dunlap lh_resp->opcode = ISCSI_OP_LOGIN_RSP; 841a6d42e7dSPeter Dunlap lh_resp->max_version = ISCSIT_MAX_VERSION; 842a6d42e7dSPeter Dunlap 843a6d42e7dSPeter Dunlap /* 844a6d42e7dSPeter Dunlap * We already validated that we can support one of the initiator's 845a6d42e7dSPeter Dunlap * versions in login_sm_req_pdu_check(). 846a6d42e7dSPeter Dunlap */ 847a6d42e7dSPeter Dunlap #if (ISCSIT_MAX_VERSION > 0) 848a6d42e7dSPeter Dunlap if (ISCSIT_MAX_VERSION >= lh_req->min_version) { 849a6d42e7dSPeter Dunlap lh_resp->active_version = 850a6d42e7dSPeter Dunlap MIN(lh_req->max_version, ISCSIT_MAX_VERSION); 851a6d42e7dSPeter Dunlap } else { 852a6d42e7dSPeter Dunlap ASSERT(ISCSIT_MAX_VERSION <= lh_req->max_version); 853a6d42e7dSPeter Dunlap lh_resp->active_version = ISCSIT_MAX_VERSION; 854a6d42e7dSPeter Dunlap } 855a6d42e7dSPeter Dunlap #endif 856a6d42e7dSPeter Dunlap 857a6d42e7dSPeter Dunlap lh_resp->hlength = 0; /* No AHS */ 858a6d42e7dSPeter Dunlap bcopy(lh_req->isid, lh_resp->isid, ISCSI_ISID_LEN); 859a6d42e7dSPeter Dunlap lh_resp->tsid = lh_req->tsid; 860a6d42e7dSPeter Dunlap lh_resp->itt = lh_req->itt; 861a6d42e7dSPeter Dunlap 862a6d42e7dSPeter Dunlap /* 863a6d42e7dSPeter Dunlap * StatSn, ExpCmdSn and MaxCmdSn will be set immediately before 864a6d42e7dSPeter Dunlap * transmission 865a6d42e7dSPeter Dunlap */ 866a6d42e7dSPeter Dunlap } 867a6d42e7dSPeter Dunlap 868a6d42e7dSPeter Dunlap static void 869a6d42e7dSPeter Dunlap login_sm_send_next_response(iscsit_conn_t *ict) 870a6d42e7dSPeter Dunlap { 871a6d42e7dSPeter Dunlap idm_pdu_t *pdu = ict->ict_login_sm.icl_login_resp; 872a6d42e7dSPeter Dunlap iscsi_login_rsp_hdr_t *lh_resp = (iscsi_login_rsp_hdr_t *)pdu->isp_hdr; 873a6d42e7dSPeter Dunlap 874a6d42e7dSPeter Dunlap /* Tell the IDM layer this PDU is part of the login phase */ 875a6d42e7dSPeter Dunlap ASSERT((pdu->isp_flags & IDM_PDU_LOGIN_TX) != 0); 876a6d42e7dSPeter Dunlap 877a6d42e7dSPeter Dunlap /* 878a6d42e7dSPeter Dunlap * Fill in header values 879a6d42e7dSPeter Dunlap */ 880a6d42e7dSPeter Dunlap hton24(lh_resp->dlength, pdu->isp_datalen); 881a6d42e7dSPeter Dunlap 882a6d42e7dSPeter Dunlap /* 883a6d42e7dSPeter Dunlap * If this is going to be the last PDU of a login response 884a6d42e7dSPeter Dunlap * that moves us to FFP then generate the ILE_LOGIN_FFP event. 885a6d42e7dSPeter Dunlap */ 886a6d42e7dSPeter Dunlap if (lh_resp->status_class == ISCSI_STATUS_CLASS_SUCCESS) { 887a6d42e7dSPeter Dunlap ASSERT(ict->ict_sess != NULL); 888a6d42e7dSPeter Dunlap 889a6d42e7dSPeter Dunlap if ((lh_resp->flags & ISCSI_FLAG_LOGIN_TRANSIT) && 890a6d42e7dSPeter Dunlap (ISCSI_LOGIN_NEXT_STAGE(lh_resp->flags) == 891a6d42e7dSPeter Dunlap ISCSI_FULL_FEATURE_PHASE) && 892a6d42e7dSPeter Dunlap !(lh_resp->flags & ISCSI_FLAG_LOGIN_CONTINUE)) { 893a6d42e7dSPeter Dunlap iscsit_login_sm_event_locked(ict, ILE_LOGIN_FFP, NULL); 894a6d42e7dSPeter Dunlap } 895a6d42e7dSPeter Dunlap 896a6d42e7dSPeter Dunlap iscsit_pdu_tx(pdu); 897a6d42e7dSPeter Dunlap } else { 898a6d42e7dSPeter Dunlap /* 899a6d42e7dSPeter Dunlap * If status_class != ISCSI_STATUS_CLASS_SUCCESS then 900a6d42e7dSPeter Dunlap * StatSN is not valid and we can call idm_pdu_tx instead 901a6d42e7dSPeter Dunlap * of iscsit_pdu_tx. This is very good thing since in 902a6d42e7dSPeter Dunlap * some cases of login failure we may not have a session. 903a6d42e7dSPeter Dunlap * Since iscsit_calc_rspsn grabs the session mutex while 904a6d42e7dSPeter Dunlap * it is retrieving values for expcmdsn and maxcmdsn this 905a6d42e7dSPeter Dunlap * would cause a panic. 906a6d42e7dSPeter Dunlap * 907a6d42e7dSPeter Dunlap * Since we still want a value for expcmdsn, fill in an 908a6d42e7dSPeter Dunlap * appropriate value based on the login request before 909a6d42e7dSPeter Dunlap * sending the response. 910a6d42e7dSPeter Dunlap */ 911a6d42e7dSPeter Dunlap lh_resp->expcmdsn = htonl(ict->ict_login_sm.icl_cmdsn + 1); 912a6d42e7dSPeter Dunlap lh_resp->maxcmdsn = htonl(ict->ict_login_sm.icl_cmdsn + 2); 913a6d42e7dSPeter Dunlap 914a6d42e7dSPeter Dunlap idm_pdu_tx(ict->ict_login_sm.icl_login_resp); 915a6d42e7dSPeter Dunlap } 916a6d42e7dSPeter Dunlap 917a6d42e7dSPeter Dunlap } 918a6d42e7dSPeter Dunlap 919a6d42e7dSPeter Dunlap static void 920a6d42e7dSPeter Dunlap login_sm_process_request(iscsit_conn_t *ict) 921a6d42e7dSPeter Dunlap { 922a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 923a6d42e7dSPeter Dunlap uint8_t error_class = 0; 924a6d42e7dSPeter Dunlap uint8_t error_detail = 0; 925a6d42e7dSPeter Dunlap 926a6d42e7dSPeter Dunlap /* 927a6d42e7dSPeter Dunlap * First walk all the PDU's that make up this login request 928a6d42e7dSPeter Dunlap * and compile all the iSCSI key-value pairs into nvlist format. 929a6d42e7dSPeter Dunlap */ 930a6d42e7dSPeter Dunlap 931a6d42e7dSPeter Dunlap ASSERT(lsm->icl_request_nvlist == NULL); 932a6d42e7dSPeter Dunlap /* create an nvlist for request key/value pairs */ 933a6d42e7dSPeter Dunlap if (idm_pdu_list_to_nvlist(&lsm->icl_pdu_list, 934a6d42e7dSPeter Dunlap &lsm->icl_request_nvlist, &error_detail) != IDM_STATUS_SUCCESS) { 935a6d42e7dSPeter Dunlap error_class = ISCSI_STATUS_CLASS_TARGET_ERR; 936a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 937a6d42e7dSPeter Dunlap goto request_fail; 938a6d42e7dSPeter Dunlap } 939a6d42e7dSPeter Dunlap 940a6d42e7dSPeter Dunlap /* Allocate a new nvlist for response key/value pairs */ 941a6d42e7dSPeter Dunlap ASSERT(lsm->icl_response_nvlist == NULL); 942a6d42e7dSPeter Dunlap if (nvlist_alloc(&lsm->icl_response_nvlist, NV_UNIQUE_NAME, 943a6d42e7dSPeter Dunlap KM_NOSLEEP) != 0) { 944a6d42e7dSPeter Dunlap error_class = ISCSI_STATUS_CLASS_TARGET_ERR; 945a6d42e7dSPeter Dunlap error_detail = ISCSI_LOGIN_STATUS_NO_RESOURCES; 946a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 947a6d42e7dSPeter Dunlap goto request_fail; 948a6d42e7dSPeter Dunlap } 949a6d42e7dSPeter Dunlap 950a6d42e7dSPeter Dunlap /* 951a6d42e7dSPeter Dunlap * This would be a very good time to make sure we have 952a6d42e7dSPeter Dunlap * negotiated the required values for the login phase. For 953a6d42e7dSPeter Dunlap * example we definitely should have defined InitiatorName, 954a6d42e7dSPeter Dunlap * and Target name regardless of our current login phase. 955a6d42e7dSPeter Dunlap */ 956a6d42e7dSPeter Dunlap if (!ict->ict_op.op_initial_params_set) { 957a6d42e7dSPeter Dunlap if (login_sm_validate_initial_parameters(ict) != 958a6d42e7dSPeter Dunlap IDM_STATUS_SUCCESS) { 959a6d42e7dSPeter Dunlap goto request_fail; 960a6d42e7dSPeter Dunlap } 961a6d42e7dSPeter Dunlap 962a6d42e7dSPeter Dunlap /* 963a6d42e7dSPeter Dunlap * Now setup our session association. This includes 964a6d42e7dSPeter Dunlap * create a new session or looking up an existing session, 965a6d42e7dSPeter Dunlap * and if this is not a discovery session then we will 966a6d42e7dSPeter Dunlap * also register this session with STMF. 967a6d42e7dSPeter Dunlap */ 968a6d42e7dSPeter Dunlap if (login_sm_session_bind(ict) != IDM_STATUS_SUCCESS) { 969a6d42e7dSPeter Dunlap goto request_fail; 970a6d42e7dSPeter Dunlap } 971a6d42e7dSPeter Dunlap 972a6d42e7dSPeter Dunlap if (login_sm_set_auth(ict) != IDM_STATUS_SUCCESS) { 973a6d42e7dSPeter Dunlap goto request_fail; 974a6d42e7dSPeter Dunlap } 975a6d42e7dSPeter Dunlap 976a6d42e7dSPeter Dunlap /* 977a6d42e7dSPeter Dunlap * Prepend TargetAlias and PortalGroupTag 978a6d42e7dSPeter Dunlap */ 979a6d42e7dSPeter Dunlap if (ict->ict_op.op_discovery_session == B_FALSE) { 980a6d42e7dSPeter Dunlap if ((lsm->icl_auth.ca_tgt_alias[0]) != '\0') { 981a6d42e7dSPeter Dunlap (void) iscsit_reply_string(ict, 982a6d42e7dSPeter Dunlap "TargetAlias", 983a6d42e7dSPeter Dunlap &lsm->icl_auth.ca_tgt_alias[0]); 984a6d42e7dSPeter Dunlap } 985a6d42e7dSPeter Dunlap (void) iscsit_reply_numerical(ict, 986a6d42e7dSPeter Dunlap "TargetPortalGroupTag", 987a6d42e7dSPeter Dunlap (uint64_t)lsm->icl_tpgt_tag); 988a6d42e7dSPeter Dunlap } 989a6d42e7dSPeter Dunlap 990a6d42e7dSPeter Dunlap ict->ict_op.op_initial_params_set = B_TRUE; 991a6d42e7dSPeter Dunlap } 992a6d42e7dSPeter Dunlap 993a6d42e7dSPeter Dunlap if (login_sm_process_nvlist(ict) != IDM_STATUS_SUCCESS) { 994a6d42e7dSPeter Dunlap goto request_fail; 995a6d42e7dSPeter Dunlap } 996a6d42e7dSPeter Dunlap 997a6d42e7dSPeter Dunlap if (login_sm_check_security(ict) != IDM_STATUS_SUCCESS) { 998a6d42e7dSPeter Dunlap goto request_fail; 999a6d42e7dSPeter Dunlap } 1000a6d42e7dSPeter Dunlap 1001a6d42e7dSPeter Dunlap request_fail: 1002a6d42e7dSPeter Dunlap login_sm_build_login_response(ict); 1003a6d42e7dSPeter Dunlap iscsit_login_sm_event(ict, ILE_LOGIN_RESP_READY, NULL); 1004a6d42e7dSPeter Dunlap 1005a6d42e7dSPeter Dunlap /* clean up request_nvlist and response_nvlist */ 1006a6d42e7dSPeter Dunlap if (lsm->icl_request_nvlist != NULL) { 1007a6d42e7dSPeter Dunlap nvlist_free(lsm->icl_request_nvlist); 1008a6d42e7dSPeter Dunlap lsm->icl_request_nvlist = NULL; 1009a6d42e7dSPeter Dunlap } 1010a6d42e7dSPeter Dunlap if (lsm->icl_response_nvlist != NULL) { 1011a6d42e7dSPeter Dunlap nvlist_free(lsm->icl_response_nvlist); 1012a6d42e7dSPeter Dunlap lsm->icl_response_nvlist = NULL; 1013a6d42e7dSPeter Dunlap } 1014a6d42e7dSPeter Dunlap } 1015a6d42e7dSPeter Dunlap 1016a6d42e7dSPeter Dunlap 1017a6d42e7dSPeter Dunlap static void 1018a6d42e7dSPeter Dunlap login_sm_ffp_actions(iscsit_conn_t *ict) 1019a6d42e7dSPeter Dunlap { 1020a6d42e7dSPeter Dunlap iscsit_process_negotiated_values(ict); 1021a6d42e7dSPeter Dunlap } 1022a6d42e7dSPeter Dunlap 1023a6d42e7dSPeter Dunlap static idm_status_t 1024a6d42e7dSPeter Dunlap login_sm_validate_initial_parameters(iscsit_conn_t *ict) 1025a6d42e7dSPeter Dunlap { 1026a6d42e7dSPeter Dunlap int nvrc; 1027a6d42e7dSPeter Dunlap char *string_val; 1028a6d42e7dSPeter Dunlap uint8_t error_class = ISCSI_STATUS_CLASS_INITIATOR_ERR; 1029a6d42e7dSPeter Dunlap uint8_t error_detail = ISCSI_LOGIN_STATUS_MISSING_FIELDS; 1030a6d42e7dSPeter Dunlap idm_status_t status = IDM_STATUS_FAIL; 1031a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 1032a6d42e7dSPeter Dunlap 1033a6d42e7dSPeter Dunlap /* 1034a6d42e7dSPeter Dunlap * Make sure we received the required information from the initial 1035a6d42e7dSPeter Dunlap * login. Add these declaratives to the negotiated list and 1036a6d42e7dSPeter Dunlap * remove them from the request list as we go. If anything fails, 1037a6d42e7dSPeter Dunlap * the caller will clean-up the nvlists. 1038a6d42e7dSPeter Dunlap */ 1039a6d42e7dSPeter Dunlap 1040a6d42e7dSPeter Dunlap /* 1041a6d42e7dSPeter Dunlap * Initiator name 1042a6d42e7dSPeter Dunlap */ 1043a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_string(lsm->icl_request_nvlist, 1044a6d42e7dSPeter Dunlap "InitiatorName", &string_val)) != 0) { 1045a6d42e7dSPeter Dunlap goto initial_params_done; 1046a6d42e7dSPeter Dunlap } 1047a6d42e7dSPeter Dunlap if ((nvrc = nvlist_add_string(lsm->icl_negotiated_values, 1048a6d42e7dSPeter Dunlap "InitiatorName", string_val)) != 0) { 1049a6d42e7dSPeter Dunlap goto initial_params_done; 1050a6d42e7dSPeter Dunlap } 1051a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_string(lsm->icl_negotiated_values, 1052a6d42e7dSPeter Dunlap "InitiatorName", &string_val)) != 0) { 1053a6d42e7dSPeter Dunlap goto initial_params_done; 1054a6d42e7dSPeter Dunlap } 1055a6d42e7dSPeter Dunlap lsm->icl_initiator_name = string_val; 1056a6d42e7dSPeter Dunlap if ((nvrc = nvlist_remove(lsm->icl_request_nvlist, 1057a6d42e7dSPeter Dunlap "InitiatorName", DATA_TYPE_STRING)) != 0) { 1058a6d42e7dSPeter Dunlap goto initial_params_done; 1059a6d42e7dSPeter Dunlap } 1060a6d42e7dSPeter Dunlap 1061a6d42e7dSPeter Dunlap /* 1062a6d42e7dSPeter Dunlap * Session type 1063a6d42e7dSPeter Dunlap */ 1064a6d42e7dSPeter Dunlap ict->ict_op.op_discovery_session = B_FALSE; 1065a6d42e7dSPeter Dunlap nvrc = nvlist_lookup_string(lsm->icl_request_nvlist, 1066a6d42e7dSPeter Dunlap "SessionType", &string_val); 1067a6d42e7dSPeter Dunlap if (nvrc != ENOENT && nvrc != 0) { 1068a6d42e7dSPeter Dunlap goto initial_params_done; 1069a6d42e7dSPeter Dunlap } 1070a6d42e7dSPeter Dunlap if (nvrc == 0) { 1071a6d42e7dSPeter Dunlap if (strcmp(string_val, "Discovery") == 0) { 1072a6d42e7dSPeter Dunlap ict->ict_op.op_discovery_session = B_TRUE; 1073a6d42e7dSPeter Dunlap } else if (strcmp(string_val, "Normal") != 0) { 1074a6d42e7dSPeter Dunlap goto initial_params_done; 1075a6d42e7dSPeter Dunlap } 1076a6d42e7dSPeter Dunlap if ((nvrc = nvlist_add_string(lsm->icl_negotiated_values, 1077a6d42e7dSPeter Dunlap "SessionType", string_val)) != 0) { 1078a6d42e7dSPeter Dunlap goto initial_params_done; 1079a6d42e7dSPeter Dunlap } 1080a6d42e7dSPeter Dunlap if ((nvrc = nvlist_remove(lsm->icl_request_nvlist, 1081a6d42e7dSPeter Dunlap "SessionType", DATA_TYPE_STRING)) != 0) { 1082a6d42e7dSPeter Dunlap goto initial_params_done; 1083a6d42e7dSPeter Dunlap } 1084a6d42e7dSPeter Dunlap } 1085a6d42e7dSPeter Dunlap 1086a6d42e7dSPeter Dunlap /* 1087a6d42e7dSPeter Dunlap * Must have either TargetName or SessionType==Discovery 1088a6d42e7dSPeter Dunlap */ 1089a6d42e7dSPeter Dunlap lsm->icl_target_name = NULL; 1090a6d42e7dSPeter Dunlap nvrc = nvlist_lookup_string(lsm->icl_request_nvlist, 1091a6d42e7dSPeter Dunlap "TargetName", &string_val); 1092a6d42e7dSPeter Dunlap if (nvrc != ENOENT && nvrc != 0) { 1093a6d42e7dSPeter Dunlap goto initial_params_done; 1094a6d42e7dSPeter Dunlap } 1095a6d42e7dSPeter Dunlap if (nvrc == 0) { 1096a6d42e7dSPeter Dunlap if ((nvrc = nvlist_add_string(lsm->icl_negotiated_values, 1097a6d42e7dSPeter Dunlap "TargetName", string_val)) != 0) { 1098a6d42e7dSPeter Dunlap goto initial_params_done; 1099a6d42e7dSPeter Dunlap } 1100a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_string(lsm->icl_negotiated_values, 1101a6d42e7dSPeter Dunlap "TargetName", &string_val)) != 0) { 1102a6d42e7dSPeter Dunlap goto initial_params_done; 1103a6d42e7dSPeter Dunlap } 1104a6d42e7dSPeter Dunlap lsm->icl_target_name = string_val; 1105a6d42e7dSPeter Dunlap if ((nvrc = nvlist_remove(lsm->icl_request_nvlist, 1106a6d42e7dSPeter Dunlap "TargetName", DATA_TYPE_STRING)) != 0) { 1107a6d42e7dSPeter Dunlap goto initial_params_done; 1108a6d42e7dSPeter Dunlap } 1109a6d42e7dSPeter Dunlap } else if (ict->ict_op.op_discovery_session == B_FALSE) { 1110a6d42e7dSPeter Dunlap /* 1111a6d42e7dSPeter Dunlap * Missing target name 1112a6d42e7dSPeter Dunlap */ 1113a6d42e7dSPeter Dunlap goto initial_params_done; 1114a6d42e7dSPeter Dunlap } 1115a6d42e7dSPeter Dunlap 1116a6d42e7dSPeter Dunlap IDM_SM_LOG(CE_NOTE, "conn %p: initiator=%s", (void *)ict->ict_ic, 1117a6d42e7dSPeter Dunlap (lsm->icl_initiator_name == NULL) ? "N/A" : 1118a6d42e7dSPeter Dunlap lsm->icl_initiator_name); 1119a6d42e7dSPeter Dunlap IDM_SM_LOG(CE_NOTE, "conn %p: target=%s", (void *)ict->ict_ic, 1120a6d42e7dSPeter Dunlap (lsm->icl_target_name == NULL) ? "N/A" : 1121a6d42e7dSPeter Dunlap lsm->icl_target_name); 1122a6d42e7dSPeter Dunlap IDM_SM_LOG(CE_NOTE, "conn %p: sessiontype=%s", (void *)ict->ict_ic, 1123a6d42e7dSPeter Dunlap ict->ict_op.op_discovery_session ? "Discovery" : "Normal"); 1124a6d42e7dSPeter Dunlap 1125a6d42e7dSPeter Dunlap /* Sucess */ 1126a6d42e7dSPeter Dunlap status = IDM_STATUS_SUCCESS; 1127a6d42e7dSPeter Dunlap error_class = ISCSI_STATUS_CLASS_SUCCESS; 1128a6d42e7dSPeter Dunlap error_detail = ISCSI_LOGIN_STATUS_ACCEPT; 1129a6d42e7dSPeter Dunlap 1130a6d42e7dSPeter Dunlap initial_params_done: 1131a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 1132a6d42e7dSPeter Dunlap return (status); 1133a6d42e7dSPeter Dunlap } 1134a6d42e7dSPeter Dunlap 1135a6d42e7dSPeter Dunlap 1136a6d42e7dSPeter Dunlap /* 1137a6d42e7dSPeter Dunlap * login_sm_session_bind 1138a6d42e7dSPeter Dunlap * 1139a6d42e7dSPeter Dunlap * This function looks at the data from the initial login request 1140a6d42e7dSPeter Dunlap * of a new connection and either looks up and existing session, 1141a6d42e7dSPeter Dunlap * creates a new session, or returns an error. RFC3720 section 5.3.1 1142a6d42e7dSPeter Dunlap * defines these rules: 1143a6d42e7dSPeter Dunlap * 1144a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1145a6d42e7dSPeter Dunlap * |ISID | TSIH | CID | Target action | 1146a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1147a6d42e7dSPeter Dunlap * |new | non-zero | any | fail the login | 1148a6d42e7dSPeter Dunlap * | | | | ("session does not exist") | 1149a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1150a6d42e7dSPeter Dunlap * |new | zero | any | instantiate a new session | 1151a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1152a6d42e7dSPeter Dunlap * |existing | zero | any | do session reinstatement | 1153a6d42e7dSPeter Dunlap * | | | | (see section 5.3.5) | 1154a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1155a6d42e7dSPeter Dunlap * |existing | non-zero | new | add a new connection to | 1156a6d42e7dSPeter Dunlap * | | existing | | the session | 1157a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1158a6d42e7dSPeter Dunlap * |existing | non-zero |existing| do connection reinstatement| 1159a6d42e7dSPeter Dunlap * | | existing | | (see section 5.3.4) | 1160a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1161a6d42e7dSPeter Dunlap * |existing | non-zero | any | fail the login | 1162a6d42e7dSPeter Dunlap * | | new | | ("session does not exist") | 1163a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1164a6d42e7dSPeter Dunlap * 1165a6d42e7dSPeter Dunlap */ 1166a6d42e7dSPeter Dunlap 1167a6d42e7dSPeter Dunlap /* 1168a6d42e7dSPeter Dunlap * Map an <ipv6,port> address to an <ipv4,port> address if possible. 1169a6d42e7dSPeter Dunlap * Returns: 1170a6d42e7dSPeter Dunlap * 1 - success 1171a6d42e7dSPeter Dunlap * 0 - address not mapable 1172a6d42e7dSPeter Dunlap */ 1173a6d42e7dSPeter Dunlap 1174a6d42e7dSPeter Dunlap static int 1175a6d42e7dSPeter Dunlap iscsit_is_v4_mapped(struct sockaddr_storage *sa, struct sockaddr_storage *v4sa) 1176a6d42e7dSPeter Dunlap { 1177a6d42e7dSPeter Dunlap struct sockaddr_in *sin; 1178a6d42e7dSPeter Dunlap struct in_addr *in; 1179a6d42e7dSPeter Dunlap struct sockaddr_in6 *sin6; 1180a6d42e7dSPeter Dunlap struct in6_addr *in6; 1181a6d42e7dSPeter Dunlap int ret = 0; 1182a6d42e7dSPeter Dunlap 1183a6d42e7dSPeter Dunlap sin6 = (struct sockaddr_in6 *)sa; 1184a6d42e7dSPeter Dunlap in6 = &sin6->sin6_addr; 1185a6d42e7dSPeter Dunlap if ((sa->ss_family == AF_INET6) && 1186a6d42e7dSPeter Dunlap (IN6_IS_ADDR_V4MAPPED(in6) || IN6_IS_ADDR_V4COMPAT(in6))) { 1187a6d42e7dSPeter Dunlap sin = (struct sockaddr_in *)v4sa; 1188a6d42e7dSPeter Dunlap in = &sin->sin_addr; 1189a6d42e7dSPeter Dunlap v4sa->ss_family = AF_INET; 1190a6d42e7dSPeter Dunlap sin->sin_port = sin6->sin6_port; 1191a6d42e7dSPeter Dunlap IN6_V4MAPPED_TO_INADDR(in6, in); 1192a6d42e7dSPeter Dunlap ret = 1; 1193a6d42e7dSPeter Dunlap } 1194a6d42e7dSPeter Dunlap return (ret); 1195a6d42e7dSPeter Dunlap } 1196a6d42e7dSPeter Dunlap 1197a6d42e7dSPeter Dunlap static idm_status_t 1198a6d42e7dSPeter Dunlap login_sm_session_bind(iscsit_conn_t *ict) 1199a6d42e7dSPeter Dunlap { 1200a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 1201a6d42e7dSPeter Dunlap iscsit_tgt_t *tgt = NULL; 1202a6d42e7dSPeter Dunlap iscsit_tpgt_t *tpgt = NULL; 1203a6d42e7dSPeter Dunlap iscsit_portal_t *portal = NULL; 1204a6d42e7dSPeter Dunlap iscsit_sess_t *existing_sess = NULL; 1205a6d42e7dSPeter Dunlap iscsit_sess_t *new_sess = NULL; 1206a6d42e7dSPeter Dunlap iscsit_conn_t *existing_ict = NULL; 1207a6d42e7dSPeter Dunlap uint8_t error_class; 1208a6d42e7dSPeter Dunlap uint8_t error_detail; 1209a6d42e7dSPeter Dunlap 1210a6d42e7dSPeter Dunlap /* 1211a6d42e7dSPeter Dunlap * Look up target and then check if there are sessions or connections 1212a6d42e7dSPeter Dunlap * that match this request (see below). Any holds taken on objects 1213a6d42e7dSPeter Dunlap * must be released at the end of the function (let's keep things 1214a6d42e7dSPeter Dunlap * simple). 1215a6d42e7dSPeter Dunlap * 1216a6d42e7dSPeter Dunlap * If target name is set then we should have a corresponding target 1217a6d42e7dSPeter Dunlap * context configured. 1218a6d42e7dSPeter Dunlap */ 1219a6d42e7dSPeter Dunlap if (lsm->icl_target_name != NULL) { 1220a6d42e7dSPeter Dunlap /* 1221a6d42e7dSPeter Dunlap * iscsit_tgt_lookup implicitly takes a ref on the target 1222a6d42e7dSPeter Dunlap */ 1223a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_LOCK(RW_READER); 1224a6d42e7dSPeter Dunlap tgt = iscsit_tgt_lookup_locked(lsm->icl_target_name); 1225a6d42e7dSPeter Dunlap if (tgt == NULL) { 1226a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_UNLOCK(); 1227a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_INITIATOR_ERR, 1228a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_TGT_NOT_FOUND); 1229a6d42e7dSPeter Dunlap goto session_bind_error; 1230a6d42e7dSPeter Dunlap } else { 1231a6d42e7dSPeter Dunlap mutex_enter(&tgt->target_mutex); 1232a6d42e7dSPeter Dunlap tpgt = avl_first(&tgt->target_tpgt_list); 1233a6d42e7dSPeter Dunlap 1234a6d42e7dSPeter Dunlap if (IS_DEFAULT_TPGT(tpgt)) { 1235a6d42e7dSPeter Dunlap lsm->icl_tpgt_tag = ISCSIT_DEFAULT_TPGT; 1236a6d42e7dSPeter Dunlap } else { 1237a6d42e7dSPeter Dunlap /* 1238a6d42e7dSPeter Dunlap * Find the portal group tag for the 1239a6d42e7dSPeter Dunlap * login response. 1240a6d42e7dSPeter Dunlap */ 1241a6d42e7dSPeter Dunlap struct sockaddr_storage v4sa, *sa; 1242a6d42e7dSPeter Dunlap 1243a6d42e7dSPeter Dunlap sa = &ict->ict_ic->ic_laddr; 1244a6d42e7dSPeter Dunlap portal = iscsit_tgt_lookup_portal(tgt, 1245a6d42e7dSPeter Dunlap sa, &tpgt); 1246a6d42e7dSPeter Dunlap if (portal == NULL && 1247a6d42e7dSPeter Dunlap iscsit_is_v4_mapped(sa, &v4sa)) { 1248a6d42e7dSPeter Dunlap /* 1249a6d42e7dSPeter Dunlap * Try again if the local address 1250a6d42e7dSPeter Dunlap * was v6 mappable to v4. 1251a6d42e7dSPeter Dunlap */ 1252a6d42e7dSPeter Dunlap portal = iscsit_tgt_lookup_portal(tgt, 1253a6d42e7dSPeter Dunlap &v4sa, &tpgt); 1254a6d42e7dSPeter Dunlap 1255a6d42e7dSPeter Dunlap } 1256a6d42e7dSPeter Dunlap if (portal == NULL) { 1257a6d42e7dSPeter Dunlap /* 1258a6d42e7dSPeter Dunlap * Initiator came in on wrong address 1259a6d42e7dSPeter Dunlap */ 1260a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, 1261a6d42e7dSPeter Dunlap ISCSI_STATUS_CLASS_INITIATOR_ERR, 1262a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_TGT_NOT_FOUND); 1263a6d42e7dSPeter Dunlap mutex_exit(&tgt->target_mutex); 1264a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_UNLOCK(); 1265a6d42e7dSPeter Dunlap goto session_bind_error; 1266a6d42e7dSPeter Dunlap } 1267a6d42e7dSPeter Dunlap 1268a6d42e7dSPeter Dunlap /* 1269a6d42e7dSPeter Dunlap * Need to release holds on the portal and 1270a6d42e7dSPeter Dunlap * tpgt after processing is complete. 1271a6d42e7dSPeter Dunlap */ 1272a6d42e7dSPeter Dunlap lsm->icl_tpgt_tag = tpgt->tpgt_tag; 1273a6d42e7dSPeter Dunlap iscsit_portal_rele(portal); 1274a6d42e7dSPeter Dunlap iscsit_tpgt_rele(tpgt); 1275a6d42e7dSPeter Dunlap } 1276a6d42e7dSPeter Dunlap 1277a6d42e7dSPeter Dunlap if ((tgt->target_state != TS_STMF_ONLINE) || 1278a6d42e7dSPeter Dunlap ((iscsit_global.global_svc_state != ISE_ENABLED) && 1279a6d42e7dSPeter Dunlap ((iscsit_global.global_svc_state != ISE_BUSY)))) { 1280a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, 1281a6d42e7dSPeter Dunlap ISCSI_STATUS_CLASS_INITIATOR_ERR, 1282a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_TGT_REMOVED); 1283a6d42e7dSPeter Dunlap mutex_exit(&tgt->target_mutex); 1284a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_UNLOCK(); 1285a6d42e7dSPeter Dunlap goto session_bind_error; 1286a6d42e7dSPeter Dunlap } 1287a6d42e7dSPeter Dunlap mutex_exit(&tgt->target_mutex); 1288a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_UNLOCK(); 1289a6d42e7dSPeter Dunlap } 1290a6d42e7dSPeter Dunlap } 1291a6d42e7dSPeter Dunlap 1292a6d42e7dSPeter Dunlap ASSERT((tgt != NULL) || (ict->ict_op.op_discovery_session == B_TRUE)); 1293a6d42e7dSPeter Dunlap 1294a6d42e7dSPeter Dunlap /* 1295a6d42e7dSPeter Dunlap * Check if there is an existing session matching this ISID. If 1296a6d42e7dSPeter Dunlap * tgt == NULL then we'll look for the session on the global list 1297a6d42e7dSPeter Dunlap * of discovery session. If we find a session then the ISID 1298a6d42e7dSPeter Dunlap * exists. 1299a6d42e7dSPeter Dunlap */ 1300a6d42e7dSPeter Dunlap existing_sess = iscsit_tgt_lookup_sess(tgt, lsm->icl_initiator_name, 1301a6d42e7dSPeter Dunlap lsm->icl_isid, lsm->icl_tsih, lsm->icl_tpgt_tag); 1302a6d42e7dSPeter Dunlap if (existing_sess != NULL) { 1303a6d42e7dSPeter Dunlap existing_ict = iscsit_sess_lookup_conn(existing_sess, 1304a6d42e7dSPeter Dunlap ict->ict_cid); 1305a6d42e7dSPeter Dunlap } 1306a6d42e7dSPeter Dunlap 1307a6d42e7dSPeter Dunlap /* 1308a6d42e7dSPeter Dunlap * If this is a discovery session, make sure it has appropriate 1309a6d42e7dSPeter Dunlap * parameters. 1310a6d42e7dSPeter Dunlap */ 1311a6d42e7dSPeter Dunlap if ((ict->ict_op.op_discovery_session == B_TRUE) && 1312a6d42e7dSPeter Dunlap ((lsm->icl_tsih != ISCSI_UNSPEC_TSIH) || (existing_sess != NULL))) { 1313a6d42e7dSPeter Dunlap /* XXX Do we need to check for existing ISID (sess != NULL)? */ 1314a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_INITIATOR_ERR, 1315a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_INVALID_REQUEST); 1316a6d42e7dSPeter Dunlap goto session_bind_error; 1317a6d42e7dSPeter Dunlap } 1318a6d42e7dSPeter Dunlap 1319a6d42e7dSPeter Dunlap /* 1320a6d42e7dSPeter Dunlap * Check the two error conditions from the table. 1321a6d42e7dSPeter Dunlap * 1322a6d42e7dSPeter Dunlap * ISID=new, TSIH=non-zero 1323a6d42e7dSPeter Dunlap */ 1324a6d42e7dSPeter Dunlap if ((existing_sess == NULL) && (lsm->icl_tsih != ISCSI_UNSPEC_TSIH)) { 1325a6d42e7dSPeter Dunlap /* fail the login */ 1326a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_INITIATOR_ERR, 1327a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_NO_SESSION); 1328a6d42e7dSPeter Dunlap goto session_bind_error; 1329a6d42e7dSPeter Dunlap } 1330a6d42e7dSPeter Dunlap 1331a6d42e7dSPeter Dunlap /* ISID=existing, TSIH=non-zero new */ 1332a6d42e7dSPeter Dunlap if ((existing_sess != NULL) && (lsm->icl_tsih != 0) && 1333a6d42e7dSPeter Dunlap (existing_sess->ist_tsih != lsm->icl_tsih)) { 1334a6d42e7dSPeter Dunlap /* fail the login */ 1335a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_INITIATOR_ERR, 1336a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_NO_SESSION); 1337a6d42e7dSPeter Dunlap goto session_bind_error; 1338a6d42e7dSPeter Dunlap } 1339a6d42e7dSPeter Dunlap 1340a6d42e7dSPeter Dunlap /* 1341a6d42e7dSPeter Dunlap * Handle the remaining table cases in order 1342a6d42e7dSPeter Dunlap */ 1343a6d42e7dSPeter Dunlap if (existing_sess == NULL) { 1344a6d42e7dSPeter Dunlap /* Should have caught this above */ 1345a6d42e7dSPeter Dunlap ASSERT(lsm->icl_tsih == ISCSI_UNSPEC_TSIH); 1346a6d42e7dSPeter Dunlap /* 1347a6d42e7dSPeter Dunlap * ISID=new, TSIH=zero --> instantiate a new session 1348a6d42e7dSPeter Dunlap */ 1349a6d42e7dSPeter Dunlap new_sess = iscsit_sess_create(tgt, ict, lsm->icl_cmdsn, 1350a6d42e7dSPeter Dunlap lsm->icl_isid, lsm->icl_tpgt_tag, lsm->icl_initiator_name, 1351a6d42e7dSPeter Dunlap lsm->icl_target_name, &error_class, &error_detail); 1352a6d42e7dSPeter Dunlap ASSERT(new_sess != NULL); 1353a6d42e7dSPeter Dunlap 1354a6d42e7dSPeter Dunlap /* Session create may have failed even if it returned a value */ 1355a6d42e7dSPeter Dunlap if (error_class != ISCSI_STATUS_CLASS_SUCCESS) { 1356a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 1357a6d42e7dSPeter Dunlap goto session_bind_error; 1358a6d42e7dSPeter Dunlap } 1359a6d42e7dSPeter Dunlap 1360a6d42e7dSPeter Dunlap /* 1361a6d42e7dSPeter Dunlap * If we don't already have an STMF session and this is not 1362a6d42e7dSPeter Dunlap * a discovery session then we need to allocate and register 1363a6d42e7dSPeter Dunlap * one. 1364a6d42e7dSPeter Dunlap */ 1365a6d42e7dSPeter Dunlap if (!ict->ict_op.op_discovery_session) { 1366a6d42e7dSPeter Dunlap if (login_sm_session_register(ict) != 1367a6d42e7dSPeter Dunlap IDM_STATUS_SUCCESS) { 1368a6d42e7dSPeter Dunlap /* login_sm_session_register sets error codes */ 1369a6d42e7dSPeter Dunlap goto session_bind_error; 1370a6d42e7dSPeter Dunlap } 1371a6d42e7dSPeter Dunlap } 1372a6d42e7dSPeter Dunlap 1373a6d42e7dSPeter Dunlap } else { 1374a6d42e7dSPeter Dunlap if (lsm->icl_tsih == ISCSI_UNSPEC_TSIH) { 1375a6d42e7dSPeter Dunlap /* 1376a6d42e7dSPeter Dunlap * ISID=existing, TSIH=zero --> Session reinstatement 1377a6d42e7dSPeter Dunlap */ 1378a6d42e7dSPeter Dunlap new_sess = iscsit_sess_reinstate(tgt, existing_sess, 1379a6d42e7dSPeter Dunlap ict, &error_class, &error_detail); 1380a6d42e7dSPeter Dunlap ASSERT(new_sess != NULL); 1381a6d42e7dSPeter Dunlap 1382a6d42e7dSPeter Dunlap if (error_class != ISCSI_STATUS_CLASS_SUCCESS) { 1383a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 1384a6d42e7dSPeter Dunlap goto session_bind_error; 1385a6d42e7dSPeter Dunlap } 1386a6d42e7dSPeter Dunlap 1387a6d42e7dSPeter Dunlap /* 1388a6d42e7dSPeter Dunlap * If we don't already have an STMF session and this is 1389a6d42e7dSPeter Dunlap * not a discovery session then we need to allocate and 1390a6d42e7dSPeter Dunlap * register one. 1391a6d42e7dSPeter Dunlap */ 1392a6d42e7dSPeter Dunlap if (!ict->ict_op.op_discovery_session) { 1393a6d42e7dSPeter Dunlap if (login_sm_session_register(ict) != 1394a6d42e7dSPeter Dunlap IDM_STATUS_SUCCESS) { 1395a6d42e7dSPeter Dunlap /* 1396a6d42e7dSPeter Dunlap * login_sm_session_register sets 1397a6d42e7dSPeter Dunlap * error codes 1398a6d42e7dSPeter Dunlap */ 1399a6d42e7dSPeter Dunlap goto session_bind_error; 1400a6d42e7dSPeter Dunlap } 1401a6d42e7dSPeter Dunlap } 1402a6d42e7dSPeter Dunlap } else { 1403a6d42e7dSPeter Dunlap /* 1404a6d42e7dSPeter Dunlap * The following code covers these two cases: 1405a6d42e7dSPeter Dunlap * ISID=existing, TSIH=non-zero existing, CID=new 1406a6d42e7dSPeter Dunlap * --> add new connection to MC/S session 1407a6d42e7dSPeter Dunlap * ISID=existing, TSIH=non-zero existing, CID=existing 1408a6d42e7dSPeter Dunlap * --> do connection reinstatement 1409a6d42e7dSPeter Dunlap * 1410a6d42e7dSPeter Dunlap * Session continuation uses this path as well 1411a6d42e7dSPeter Dunlap */ 1412a6d42e7dSPeter Dunlap cmn_err(CE_NOTE, "login_sm_session_bind: add new " 1413a6d42e7dSPeter Dunlap "conn/sess continue"); 1414a6d42e7dSPeter Dunlap if (existing_ict != NULL) { 1415a6d42e7dSPeter Dunlap /* 1416a6d42e7dSPeter Dunlap * ISID=existing, TSIH=non-zero existing, 1417a6d42e7dSPeter Dunlap * CID=existing --> do connection reinstatement 1418a6d42e7dSPeter Dunlap */ 1419a6d42e7dSPeter Dunlap if (iscsit_conn_reinstate(existing_ict, ict) != 1420a6d42e7dSPeter Dunlap IDM_STATUS_SUCCESS) { 1421a6d42e7dSPeter Dunlap /* 1422a6d42e7dSPeter Dunlap * Most likely this means the connection 1423a6d42e7dSPeter Dunlap * the initiator is trying to reinstate 1424a6d42e7dSPeter Dunlap * is not in an acceptable state. 1425a6d42e7dSPeter Dunlap */ 1426a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, 1427a6d42e7dSPeter Dunlap ISCSI_STATUS_CLASS_INITIATOR_ERR, 1428a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_INIT_ERR); 1429a6d42e7dSPeter Dunlap goto session_bind_error; 1430a6d42e7dSPeter Dunlap } 1431a6d42e7dSPeter Dunlap } 1432a6d42e7dSPeter Dunlap 1433a6d42e7dSPeter Dunlap iscsit_sess_sm_event(existing_sess, SE_CONN_IN_LOGIN, 1434a6d42e7dSPeter Dunlap ict); 1435a6d42e7dSPeter Dunlap } 1436a6d42e7dSPeter Dunlap } 1437a6d42e7dSPeter Dunlap 1438a6d42e7dSPeter Dunlap if (tgt != NULL) 1439a6d42e7dSPeter Dunlap iscsit_tgt_rele(tgt); 1440a6d42e7dSPeter Dunlap if (existing_sess != NULL) 1441a6d42e7dSPeter Dunlap iscsit_sess_rele(existing_sess); 1442a6d42e7dSPeter Dunlap if (existing_ict != NULL) 1443a6d42e7dSPeter Dunlap iscsit_conn_rele(existing_ict); 1444a6d42e7dSPeter Dunlap 1445a6d42e7dSPeter Dunlap return (IDM_STATUS_SUCCESS); 1446a6d42e7dSPeter Dunlap 1447a6d42e7dSPeter Dunlap session_bind_error: 1448a6d42e7dSPeter Dunlap if (tgt != NULL) 1449a6d42e7dSPeter Dunlap iscsit_tgt_rele(tgt); 1450a6d42e7dSPeter Dunlap if (existing_sess != NULL) 1451a6d42e7dSPeter Dunlap iscsit_sess_rele(existing_sess); 1452a6d42e7dSPeter Dunlap if (existing_ict != NULL) 1453a6d42e7dSPeter Dunlap iscsit_conn_rele(existing_ict); 1454a6d42e7dSPeter Dunlap 1455a6d42e7dSPeter Dunlap /* 1456a6d42e7dSPeter Dunlap * If session bind fails we will fail the login but don't destroy 1457a6d42e7dSPeter Dunlap * the session until later. 1458a6d42e7dSPeter Dunlap */ 1459a6d42e7dSPeter Dunlap return (IDM_STATUS_FAIL); 1460a6d42e7dSPeter Dunlap } 1461a6d42e7dSPeter Dunlap 1462a6d42e7dSPeter Dunlap 1463a6d42e7dSPeter Dunlap static idm_status_t 1464a6d42e7dSPeter Dunlap login_sm_set_auth(iscsit_conn_t *ict) 1465a6d42e7dSPeter Dunlap { 1466a6d42e7dSPeter Dunlap idm_status_t idmrc = IDM_STATUS_SUCCESS; 1467a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 1468a6d42e7dSPeter Dunlap iscsit_ini_t *ini; 1469a6d42e7dSPeter Dunlap iscsit_tgt_t *tgt; 1470a6d42e7dSPeter Dunlap char *auth = ""; 1471a6d42e7dSPeter Dunlap char *radiusserver = ""; 1472a6d42e7dSPeter Dunlap char *radiussecret = ""; 1473a6d42e7dSPeter Dunlap char *chapuser = ""; 1474a6d42e7dSPeter Dunlap char *chapsecret = ""; 1475a6d42e7dSPeter Dunlap char *targetchapuser = ""; 1476a6d42e7dSPeter Dunlap char *targetchapsecret = ""; 1477a6d42e7dSPeter Dunlap char *targetalias = ""; 1478a6d42e7dSPeter Dunlap int i; 1479a6d42e7dSPeter Dunlap 1480a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_LOCK(RW_READER); 1481a6d42e7dSPeter Dunlap 1482a6d42e7dSPeter Dunlap /* 1483a6d42e7dSPeter Dunlap * Set authentication method to none for discovery session. 1484a6d42e7dSPeter Dunlap */ 1485a6d42e7dSPeter Dunlap if (ict->ict_op.op_discovery_session == B_TRUE) { 1486a6d42e7dSPeter Dunlap lsm->icl_auth.ca_method_valid_list[0] = AM_NONE; 1487a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_UNLOCK(); 1488a6d42e7dSPeter Dunlap return (idmrc); 1489a6d42e7dSPeter Dunlap } 1490a6d42e7dSPeter Dunlap 1491a6d42e7dSPeter Dunlap /* 1492a6d42e7dSPeter Dunlap * Get all the authentication parameters we need -- since we hold 1493a6d42e7dSPeter Dunlap * the global config lock we guarantee that the parameters will 1494a6d42e7dSPeter Dunlap * be consistent with each other. 1495a6d42e7dSPeter Dunlap */ 1496a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(iscsit_global.global_props, 1497a6d42e7dSPeter Dunlap PROP_AUTH, &auth); 1498a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(iscsit_global.global_props, 1499a6d42e7dSPeter Dunlap PROP_RADIUS_SERVER, &radiusserver); 1500a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(iscsit_global.global_props, 1501a6d42e7dSPeter Dunlap PROP_RADIUS_SECRET, &radiussecret); 1502a6d42e7dSPeter Dunlap 1503a6d42e7dSPeter Dunlap ini = iscsit_ini_lookup_locked(lsm->icl_initiator_name); 1504a6d42e7dSPeter Dunlap if (ini != NULL) { 1505a6d42e7dSPeter Dunlap /* Get Initiator CHAP parameters */ 1506a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(ini->ini_props, PROP_CHAP_USER, 1507a6d42e7dSPeter Dunlap &chapuser); 1508a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(ini->ini_props, PROP_CHAP_SECRET, 1509a6d42e7dSPeter Dunlap &chapsecret); 1510a6d42e7dSPeter Dunlap } 1511a6d42e7dSPeter Dunlap 1512a6d42e7dSPeter Dunlap tgt = ict->ict_sess->ist_tgt; 1513a6d42e7dSPeter Dunlap if (tgt != NULL) { 1514a6d42e7dSPeter Dunlap /* See if we have a target-specific authentication setting */ 1515a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(tgt->target_props, PROP_AUTH, 1516a6d42e7dSPeter Dunlap &auth); 1517a6d42e7dSPeter Dunlap /* Get target CHAP parameters */ 1518a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(tgt->target_props, 1519a6d42e7dSPeter Dunlap PROP_TARGET_CHAP_USER, &targetchapuser); 1520a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(tgt->target_props, 1521a6d42e7dSPeter Dunlap PROP_TARGET_CHAP_SECRET, &targetchapsecret); 1522a6d42e7dSPeter Dunlap /* Get alias */ 1523a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(tgt->target_props, 1524a6d42e7dSPeter Dunlap PROP_ALIAS, &targetalias); 1525a6d42e7dSPeter Dunlap } 1526a6d42e7dSPeter Dunlap 1527a6d42e7dSPeter Dunlap /* Set authentication method */ 1528a6d42e7dSPeter Dunlap i = 0; 1529a6d42e7dSPeter Dunlap if (strcmp(auth, PA_AUTH_RADIUS) == 0) { 1530a6d42e7dSPeter Dunlap /* CHAP authentication using RADIUS server */ 1531a6d42e7dSPeter Dunlap lsm->icl_auth.ca_method_valid_list[i++] = AM_CHAP; 1532a6d42e7dSPeter Dunlap lsm->icl_auth.ca_use_radius = B_TRUE; 1533a6d42e7dSPeter Dunlap } else if (strcmp(auth, PA_AUTH_CHAP) == 0) { 1534a6d42e7dSPeter Dunlap /* Local CHAP authentication */ 1535a6d42e7dSPeter Dunlap lsm->icl_auth.ca_method_valid_list[i++] = AM_CHAP; 1536a6d42e7dSPeter Dunlap lsm->icl_auth.ca_use_radius = B_FALSE; 1537a6d42e7dSPeter Dunlap } else if ((strcmp(auth, PA_AUTH_NONE) == 0) || 1538a6d42e7dSPeter Dunlap (strcmp(auth, "") == 0)) { 1539a6d42e7dSPeter Dunlap /* No authentication */ 1540a6d42e7dSPeter Dunlap lsm->icl_auth.ca_method_valid_list[i++] = AM_NONE; 1541a6d42e7dSPeter Dunlap } 1542a6d42e7dSPeter Dunlap 1543a6d42e7dSPeter Dunlap /* 1544a6d42e7dSPeter Dunlap * If initiator/target CHAP username is not set then use the 1545a6d42e7dSPeter Dunlap * node name. If lsm->icl_target_name == NULL then this is 1546a6d42e7dSPeter Dunlap * a discovery session so we don't need to work about the target. 1547a6d42e7dSPeter Dunlap */ 1548a6d42e7dSPeter Dunlap if (strcmp(chapuser, "") == 0) { 1549a6d42e7dSPeter Dunlap (void) strlcpy(lsm->icl_auth.ca_ini_chapuser, 1550a6d42e7dSPeter Dunlap lsm->icl_initiator_name, 1551*30e7468fSPeter Dunlap min(iscsitAuthStringMaxLength, MAX_ISCSI_NODENAMELEN)); 1552a6d42e7dSPeter Dunlap } else { 1553a6d42e7dSPeter Dunlap (void) strlcpy(lsm->icl_auth.ca_ini_chapuser, chapuser, 1554*30e7468fSPeter Dunlap iscsitAuthStringMaxLength); 1555a6d42e7dSPeter Dunlap } 1556a6d42e7dSPeter Dunlap if ((lsm->icl_target_name != NULL) && 1557a6d42e7dSPeter Dunlap (strcmp(targetchapuser, "") == 0)) { 1558a6d42e7dSPeter Dunlap (void) strlcpy(lsm->icl_auth.ca_tgt_chapuser, 1559a6d42e7dSPeter Dunlap lsm->icl_target_name, 1560*30e7468fSPeter Dunlap min(iscsitAuthStringMaxLength, MAX_ISCSI_NODENAMELEN)); 1561a6d42e7dSPeter Dunlap } else { 1562a6d42e7dSPeter Dunlap (void) strlcpy(lsm->icl_auth.ca_tgt_chapuser, 1563*30e7468fSPeter Dunlap targetchapuser, iscsitAuthStringMaxLength); 1564a6d42e7dSPeter Dunlap } 1565a6d42e7dSPeter Dunlap 1566a6d42e7dSPeter Dunlap /* 1567a6d42e7dSPeter Dunlap * Secrets are stored in base64-encoded format so we need to 1568a6d42e7dSPeter Dunlap * decode them into binary form 1569a6d42e7dSPeter Dunlap */ 1570a6d42e7dSPeter Dunlap if (strcmp(chapsecret, "") == 0) { 1571a6d42e7dSPeter Dunlap lsm->icl_auth.ca_ini_chapsecretlen = 0; 1572a6d42e7dSPeter Dunlap } else { 1573a6d42e7dSPeter Dunlap if (iscsi_base64_str_to_binary(chapsecret, 1574*30e7468fSPeter Dunlap strnlen(chapsecret, iscsitAuthStringMaxLength), 1575*30e7468fSPeter Dunlap lsm->icl_auth.ca_ini_chapsecret, iscsitAuthStringMaxLength, 1576a6d42e7dSPeter Dunlap &lsm->icl_auth.ca_ini_chapsecretlen) != 0) { 1577a6d42e7dSPeter Dunlap cmn_err(CE_WARN, "Corrupted CHAP secret" 1578a6d42e7dSPeter Dunlap " for initiator %s", lsm->icl_initiator_name); 1579a6d42e7dSPeter Dunlap lsm->icl_auth.ca_ini_chapsecretlen = 0; 1580a6d42e7dSPeter Dunlap } 1581a6d42e7dSPeter Dunlap } 1582a6d42e7dSPeter Dunlap if (strcmp(targetchapsecret, "") == 0) { 1583a6d42e7dSPeter Dunlap lsm->icl_auth.ca_tgt_chapsecretlen = 0; 1584a6d42e7dSPeter Dunlap } else { 1585a6d42e7dSPeter Dunlap if (iscsi_base64_str_to_binary(targetchapsecret, 1586*30e7468fSPeter Dunlap strnlen(targetchapsecret, iscsitAuthStringMaxLength), 1587*30e7468fSPeter Dunlap lsm->icl_auth.ca_tgt_chapsecret, iscsitAuthStringMaxLength, 1588a6d42e7dSPeter Dunlap &lsm->icl_auth.ca_tgt_chapsecretlen) != 0) { 1589a6d42e7dSPeter Dunlap cmn_err(CE_WARN, "Corrupted CHAP secret" 1590a6d42e7dSPeter Dunlap " for target %s", lsm->icl_target_name); 1591a6d42e7dSPeter Dunlap lsm->icl_auth.ca_tgt_chapsecretlen = 0; 1592a6d42e7dSPeter Dunlap } 1593a6d42e7dSPeter Dunlap } 1594a6d42e7dSPeter Dunlap if (strcmp(radiussecret, "") == 0) { 1595a6d42e7dSPeter Dunlap lsm->icl_auth.ca_radius_secretlen = 0; 1596a6d42e7dSPeter Dunlap } else { 1597a6d42e7dSPeter Dunlap if (iscsi_base64_str_to_binary(radiussecret, 1598*30e7468fSPeter Dunlap strnlen(radiussecret, iscsitAuthStringMaxLength), 1599*30e7468fSPeter Dunlap lsm->icl_auth.ca_radius_secret, iscsitAuthStringMaxLength, 1600a6d42e7dSPeter Dunlap &lsm->icl_auth.ca_radius_secretlen) != 0) { 1601a6d42e7dSPeter Dunlap cmn_err(CE_WARN, "Corrupted RADIUS secret"); 1602a6d42e7dSPeter Dunlap lsm->icl_auth.ca_radius_secretlen = 0; 1603a6d42e7dSPeter Dunlap } 1604a6d42e7dSPeter Dunlap } 1605a6d42e7dSPeter Dunlap 1606a6d42e7dSPeter Dunlap /* 1607a6d42e7dSPeter Dunlap * Set alias 1608a6d42e7dSPeter Dunlap */ 1609a6d42e7dSPeter Dunlap (void) strlcpy(lsm->icl_auth.ca_tgt_alias, targetalias, 1610a6d42e7dSPeter Dunlap MAX_ISCSI_NODENAMELEN); 1611a6d42e7dSPeter Dunlap 1612a6d42e7dSPeter Dunlap /* 1613a6d42e7dSPeter Dunlap * Now that authentication parameters are setup, validate the parameters 1614a6d42e7dSPeter Dunlap * against the authentication mode 1615a6d42e7dSPeter Dunlap * Decode RADIUS server value int lsm->icl_auth.ca_radius_server 1616a6d42e7dSPeter Dunlap */ 1617a6d42e7dSPeter Dunlap if ((strcmp(auth, PA_AUTH_RADIUS) == 0) && 1618a6d42e7dSPeter Dunlap ((lsm->icl_auth.ca_radius_secretlen == 0) || 1619a6d42e7dSPeter Dunlap (strcmp(radiusserver, "") == 0) || 1620a6d42e7dSPeter Dunlap it_common_convert_sa(radiusserver, 1621a6d42e7dSPeter Dunlap &lsm->icl_auth.ca_radius_server, 1622a6d42e7dSPeter Dunlap DEFAULT_RADIUS_PORT) == NULL)) { 1623a6d42e7dSPeter Dunlap cmn_err(CE_WARN, "RADIUS authentication selected " 1624a6d42e7dSPeter Dunlap "for target %s but RADIUS parameters are not " 1625a6d42e7dSPeter Dunlap "configured.", lsm->icl_target_name); 1626a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_TARGET_ERR, 1627a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_TARGET_ERROR); 1628a6d42e7dSPeter Dunlap idmrc = IDM_STATUS_FAIL; 1629a6d42e7dSPeter Dunlap } else if ((strcmp(auth, PA_AUTH_CHAP) == 0) && 1630a6d42e7dSPeter Dunlap (lsm->icl_auth.ca_ini_chapsecretlen == 0)) { 1631a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_INITIATOR_ERR, 1632a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_AUTH_FAILED); 1633a6d42e7dSPeter Dunlap idmrc = IDM_STATUS_FAIL; 1634a6d42e7dSPeter Dunlap } 1635a6d42e7dSPeter Dunlap 1636a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_UNLOCK(); 1637a6d42e7dSPeter Dunlap 1638a6d42e7dSPeter Dunlap return (idmrc); 1639a6d42e7dSPeter Dunlap } 1640a6d42e7dSPeter Dunlap 1641a6d42e7dSPeter Dunlap 1642a6d42e7dSPeter Dunlap static idm_status_t 1643a6d42e7dSPeter Dunlap login_sm_session_register(iscsit_conn_t *ict) 1644a6d42e7dSPeter Dunlap { 1645a6d42e7dSPeter Dunlap iscsit_sess_t *ist = ict->ict_sess; 1646a6d42e7dSPeter Dunlap stmf_scsi_session_t *ss; 1647a6d42e7dSPeter Dunlap 1648a6d42e7dSPeter Dunlap /* 1649a6d42e7dSPeter Dunlap * Hold target mutex until we have finished registering with STMF 1650a6d42e7dSPeter Dunlap */ 1651a6d42e7dSPeter Dunlap mutex_enter(&ist->ist_tgt->target_mutex); 1652a6d42e7dSPeter Dunlap if (ist->ist_tgt->target_state != TS_STMF_ONLINE) { 1653a6d42e7dSPeter Dunlap mutex_exit(&ist->ist_tgt->target_mutex); 1654a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_INITIATOR_ERR, 1655a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_TGT_REMOVED); 1656a6d42e7dSPeter Dunlap return (IDM_STATUS_FAIL); 1657a6d42e7dSPeter Dunlap } 1658a6d42e7dSPeter Dunlap 1659a6d42e7dSPeter Dunlap ss = stmf_alloc(STMF_STRUCT_SCSI_SESSION, 0, 1660a6d42e7dSPeter Dunlap 0); 1661a6d42e7dSPeter Dunlap if (ss == NULL) { 1662a6d42e7dSPeter Dunlap mutex_exit(&ist->ist_tgt->target_mutex); 1663a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_TARGET_ERR, 1664a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_NO_RESOURCES); 1665a6d42e7dSPeter Dunlap return (IDM_STATUS_FAIL); 1666a6d42e7dSPeter Dunlap } 1667a6d42e7dSPeter Dunlap 1668a6d42e7dSPeter Dunlap ss->ss_rport_id = kmem_zalloc(sizeof (scsi_devid_desc_t) + 1669a6d42e7dSPeter Dunlap strlen(ist->ist_initiator_name) + 1, KM_SLEEP); 1670a6d42e7dSPeter Dunlap (void) strcpy((char *)ss->ss_rport_id->ident, ist->ist_initiator_name); 1671a6d42e7dSPeter Dunlap ss->ss_rport_id->ident_length = strlen(ist->ist_initiator_name); 1672a6d42e7dSPeter Dunlap ss->ss_rport_id->protocol_id = PROTOCOL_iSCSI; 1673a6d42e7dSPeter Dunlap ss->ss_rport_id->piv = 1; 1674a6d42e7dSPeter Dunlap ss->ss_rport_id->code_set = CODE_SET_ASCII; 1675a6d42e7dSPeter Dunlap ss->ss_rport_id->association = ID_IS_TARGET_PORT; 1676a6d42e7dSPeter Dunlap 1677a6d42e7dSPeter Dunlap ss->ss_lport = ist->ist_lport; 1678a6d42e7dSPeter Dunlap 1679a6d42e7dSPeter Dunlap if (stmf_register_scsi_session(ict->ict_sess->ist_lport, ss) != 1680a6d42e7dSPeter Dunlap STMF_SUCCESS) { 1681a6d42e7dSPeter Dunlap mutex_exit(&ist->ist_tgt->target_mutex); 1682a6d42e7dSPeter Dunlap kmem_free(ss->ss_rport_id, 1683a6d42e7dSPeter Dunlap sizeof (scsi_devid_desc_t) + 1684a6d42e7dSPeter Dunlap strlen(ist->ist_initiator_name) + 1); 1685a6d42e7dSPeter Dunlap stmf_free(ss); 1686a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_TARGET_ERR, 1687a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_TARGET_ERROR); 1688a6d42e7dSPeter Dunlap return (IDM_STATUS_FAIL); 1689a6d42e7dSPeter Dunlap } 1690a6d42e7dSPeter Dunlap 1691a6d42e7dSPeter Dunlap ss->ss_port_private = ict->ict_sess; 1692a6d42e7dSPeter Dunlap ict->ict_sess->ist_stmf_sess = ss; 1693a6d42e7dSPeter Dunlap mutex_exit(&ist->ist_tgt->target_mutex); 1694a6d42e7dSPeter Dunlap 1695a6d42e7dSPeter Dunlap return (IDM_STATUS_SUCCESS); 1696a6d42e7dSPeter Dunlap } 1697a6d42e7dSPeter Dunlap 1698a6d42e7dSPeter Dunlap 1699a6d42e7dSPeter Dunlap static idm_status_t 1700a6d42e7dSPeter Dunlap login_sm_req_pdu_check(iscsit_conn_t *ict, idm_pdu_t *pdu) 1701a6d42e7dSPeter Dunlap { 1702a6d42e7dSPeter Dunlap uint8_t csg_req; 1703a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 1704a6d42e7dSPeter Dunlap iscsi_login_hdr_t *lh = (iscsi_login_hdr_t *)pdu->isp_hdr; 1705a6d42e7dSPeter Dunlap iscsi_login_rsp_hdr_t *lh_resp = lsm->icl_login_resp_tmpl; 1706a6d42e7dSPeter Dunlap 1707a6d42e7dSPeter Dunlap /* 1708a6d42e7dSPeter Dunlap * Check CSG 1709a6d42e7dSPeter Dunlap */ 1710a6d42e7dSPeter Dunlap csg_req = ISCSI_LOGIN_CURRENT_STAGE(lh->flags); 1711a6d42e7dSPeter Dunlap switch (csg_req) { 1712a6d42e7dSPeter Dunlap case ISCSI_SECURITY_NEGOTIATION_STAGE: 1713a6d42e7dSPeter Dunlap case ISCSI_OP_PARMS_NEGOTIATION_STAGE: 1714a6d42e7dSPeter Dunlap if ((csg_req != lsm->icl_login_csg) && 1715a6d42e7dSPeter Dunlap (lsm->icl_login_state != ILS_LOGIN_INIT)) { 1716a6d42e7dSPeter Dunlap /* 1717a6d42e7dSPeter Dunlap * Inappropriate CSG change. Initiator can only 1718a6d42e7dSPeter Dunlap * change CSG after we've responded with the 1719a6d42e7dSPeter Dunlap * transit bit set. If we had responded with 1720a6d42e7dSPeter Dunlap * a CSG change previous we would have updated 1721a6d42e7dSPeter Dunlap * our copy of CSG. 1722a6d42e7dSPeter Dunlap * 1723a6d42e7dSPeter Dunlap * The exception is when we are in ILS_LOGIN_INIT 1724a6d42e7dSPeter Dunlap * state since we haven't determined our initial 1725a6d42e7dSPeter Dunlap * CSG value yet. 1726a6d42e7dSPeter Dunlap */ 1727a6d42e7dSPeter Dunlap goto pdu_check_fail; 1728a6d42e7dSPeter Dunlap } 1729a6d42e7dSPeter Dunlap break; 1730a6d42e7dSPeter Dunlap case ISCSI_FULL_FEATURE_PHASE: 1731a6d42e7dSPeter Dunlap default: 1732a6d42e7dSPeter Dunlap goto pdu_check_fail; 1733a6d42e7dSPeter Dunlap } 1734a6d42e7dSPeter Dunlap 1735a6d42e7dSPeter Dunlap /* 1736a6d42e7dSPeter Dunlap * If this is the first login PDU for a new connection then 1737a6d42e7dSPeter Dunlap * the session will be NULL. 1738a6d42e7dSPeter Dunlap */ 1739a6d42e7dSPeter Dunlap if (ict->ict_sess != NULL) { 1740a6d42e7dSPeter Dunlap /* 1741a6d42e7dSPeter Dunlap * We've already created a session on a previous PDU. Make 1742a6d42e7dSPeter Dunlap * sure this PDU is consistent with what we've already seen 1743a6d42e7dSPeter Dunlap */ 1744a6d42e7dSPeter Dunlap if ((ict->ict_cid != ntohs(lh->cid)) || 1745a6d42e7dSPeter Dunlap (bcmp(ict->ict_sess->ist_isid, lh->isid, 1746a6d42e7dSPeter Dunlap ISCSI_ISID_LEN) != 0)) { 1747a6d42e7dSPeter Dunlap goto pdu_check_fail; 1748a6d42e7dSPeter Dunlap } 1749a6d42e7dSPeter Dunlap } 1750a6d42e7dSPeter Dunlap 1751a6d42e7dSPeter Dunlap /* 1752a6d42e7dSPeter Dunlap * Make sure we are compatible with the version range 1753a6d42e7dSPeter Dunlap */ 1754a6d42e7dSPeter Dunlap #if (ISCSIT_MAX_VERSION > 0) 1755a6d42e7dSPeter Dunlap if ((lh->min_version > ISCSIT_MAX_VERSION) || 1756a6d42e7dSPeter Dunlap (lh->max_version < ISCSIT_MIN_VERSION)) { 1757a6d42e7dSPeter Dunlap goto pdu_check_fail; 1758a6d42e7dSPeter Dunlap } 1759a6d42e7dSPeter Dunlap #endif 1760a6d42e7dSPeter Dunlap 1761a6d42e7dSPeter Dunlap /* 1762a6d42e7dSPeter Dunlap * Just in case the initiator changes things up on us along the way 1763a6d42e7dSPeter Dunlap * check against our active_version -- we can't change the active 1764a6d42e7dSPeter Dunlap * version and the initiator is not *supposed* to change its 1765a6d42e7dSPeter Dunlap * min_version and max_version values so this should never happen. 1766a6d42e7dSPeter Dunlap * Of course we only do this if the response header template has 1767a6d42e7dSPeter Dunlap * been built. 1768a6d42e7dSPeter Dunlap */ 1769a6d42e7dSPeter Dunlap if ((lh_resp->opcode == ISCSI_OP_LOGIN_RSP) && /* header valid */ 1770a6d42e7dSPeter Dunlap ((lh->min_version > lh_resp->active_version) || 1771a6d42e7dSPeter Dunlap (lh->max_version < lh_resp->active_version))) { 1772a6d42e7dSPeter Dunlap goto pdu_check_fail; 1773a6d42e7dSPeter Dunlap } 1774a6d42e7dSPeter Dunlap 1775a6d42e7dSPeter Dunlap return (IDM_STATUS_SUCCESS); 1776a6d42e7dSPeter Dunlap 1777a6d42e7dSPeter Dunlap pdu_check_fail: 1778a6d42e7dSPeter Dunlap return (IDM_STATUS_FAIL); 1779a6d42e7dSPeter Dunlap } 1780a6d42e7dSPeter Dunlap 1781a6d42e7dSPeter Dunlap static idm_status_t 1782a6d42e7dSPeter Dunlap login_sm_process_nvlist(iscsit_conn_t *ict) 1783a6d42e7dSPeter Dunlap { 1784a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 1785a6d42e7dSPeter Dunlap char *nvp_name; 1786a6d42e7dSPeter Dunlap nvpair_t *nvp; 1787a6d42e7dSPeter Dunlap nvpair_t *next_nvp; 1788a6d42e7dSPeter Dunlap nvpair_t *negotiated_nvp; 1789a6d42e7dSPeter Dunlap kv_status_t kvrc; 1790a6d42e7dSPeter Dunlap uint8_t error_class; 1791a6d42e7dSPeter Dunlap uint8_t error_detail; 1792a6d42e7dSPeter Dunlap idm_status_t idm_status; 1793a6d42e7dSPeter Dunlap 1794a6d42e7dSPeter Dunlap error_class = ISCSI_STATUS_CLASS_SUCCESS; 1795a6d42e7dSPeter Dunlap error_detail = ISCSI_LOGIN_STATUS_ACCEPT; 1796a6d42e7dSPeter Dunlap 1797a6d42e7dSPeter Dunlap /* First, request that the transport process the list */ 1798a6d42e7dSPeter Dunlap kvrc = idm_negotiate_key_values(ict->ict_ic, lsm->icl_request_nvlist, 1799a6d42e7dSPeter Dunlap lsm->icl_response_nvlist, lsm->icl_negotiated_values); 1800a6d42e7dSPeter Dunlap idm_kvstat_to_error(kvrc, &error_class, &error_detail); 1801a6d42e7dSPeter Dunlap if (error_class != ISCSI_STATUS_CLASS_SUCCESS) { 1802a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 1803a6d42e7dSPeter Dunlap idm_status = IDM_STATUS_FAIL; 1804a6d42e7dSPeter Dunlap return (idm_status); 1805a6d42e7dSPeter Dunlap } 1806a6d42e7dSPeter Dunlap 1807a6d42e7dSPeter Dunlap /* Ensure we clear transit bit if the transport layer has countered */ 1808a6d42e7dSPeter Dunlap if (kvrc == KV_HANDLED_NO_TRANSIT) { 1809a6d42e7dSPeter Dunlap lsm->icl_login_transit = B_FALSE; 1810a6d42e7dSPeter Dunlap } 1811a6d42e7dSPeter Dunlap 1812a6d42e7dSPeter Dunlap /* Now, move on and process the rest of the pairs */ 1813a6d42e7dSPeter Dunlap nvp = nvlist_next_nvpair(lsm->icl_request_nvlist, NULL); 1814a6d42e7dSPeter Dunlap while (nvp != NULL) { 1815a6d42e7dSPeter Dunlap next_nvp = nvlist_next_nvpair(lsm->icl_request_nvlist, nvp); 1816a6d42e7dSPeter Dunlap nvp_name = nvpair_name(nvp); 1817a6d42e7dSPeter Dunlap /* 1818a6d42e7dSPeter Dunlap * If we've already agreed upon a value then make sure this 1819a6d42e7dSPeter Dunlap * is not attempting to change that value. From RFC3270 1820a6d42e7dSPeter Dunlap * section 5.3: 1821a6d42e7dSPeter Dunlap * 1822a6d42e7dSPeter Dunlap * "Neither the initiator nor the target should attempt to 1823a6d42e7dSPeter Dunlap * declare or negotiate a parameter more than once during 1824a6d42e7dSPeter Dunlap * login except for responses to specific keys that 1825a6d42e7dSPeter Dunlap * explicitly allow repeated key declarations (e.g., 1826a6d42e7dSPeter Dunlap * TargetAddress). An attempt to renegotiate/redeclare 1827a6d42e7dSPeter Dunlap * parameters not specifically allowed MUST be detected 1828a6d42e7dSPeter Dunlap * by the initiator and target. If such an attempt is 1829a6d42e7dSPeter Dunlap * detected by the target, the target MUST respond 1830a6d42e7dSPeter Dunlap * with Login reject (initiator error); ..." 1831a6d42e7dSPeter Dunlap */ 1832a6d42e7dSPeter Dunlap if (nvlist_lookup_nvpair(lsm->icl_negotiated_values, 1833a6d42e7dSPeter Dunlap nvp_name, &negotiated_nvp) == 0) { 1834a6d42e7dSPeter Dunlap kvrc = KV_HANDLED; 1835a6d42e7dSPeter Dunlap } else { 1836a6d42e7dSPeter Dunlap kvrc = iscsit_handle_key(ict, nvp, nvp_name); 1837a6d42e7dSPeter Dunlap } 1838a6d42e7dSPeter Dunlap 1839a6d42e7dSPeter Dunlap idm_kvstat_to_error(kvrc, &error_class, &error_detail); 1840a6d42e7dSPeter Dunlap if (error_class != ISCSI_STATUS_CLASS_SUCCESS) { 1841a6d42e7dSPeter Dunlap break; 1842a6d42e7dSPeter Dunlap } 1843a6d42e7dSPeter Dunlap 1844a6d42e7dSPeter Dunlap nvp = next_nvp; 1845a6d42e7dSPeter Dunlap } 1846a6d42e7dSPeter Dunlap 1847a6d42e7dSPeter Dunlap if (error_class == ISCSI_STATUS_CLASS_SUCCESS) { 1848a6d42e7dSPeter Dunlap idm_status = IDM_STATUS_SUCCESS; 1849a6d42e7dSPeter Dunlap } else { 1850a6d42e7dSPeter Dunlap /* supply login class/detail for login errors */ 1851a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 1852a6d42e7dSPeter Dunlap idm_status = IDM_STATUS_FAIL; 1853a6d42e7dSPeter Dunlap } 1854a6d42e7dSPeter Dunlap 1855a6d42e7dSPeter Dunlap return (idm_status); 1856a6d42e7dSPeter Dunlap } 1857a6d42e7dSPeter Dunlap 1858a6d42e7dSPeter Dunlap static idm_status_t 1859a6d42e7dSPeter Dunlap login_sm_check_security(iscsit_conn_t *ict) 1860a6d42e7dSPeter Dunlap { 1861a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 1862a6d42e7dSPeter Dunlap conn_auth_t *auth = &lsm->icl_auth; 1863a6d42e7dSPeter Dunlap iscsit_auth_method_t *am_list = &auth->ca_method_valid_list[0]; 1864a6d42e7dSPeter Dunlap kv_status_t kvrc; 1865a6d42e7dSPeter Dunlap uint8_t error_class; 1866a6d42e7dSPeter Dunlap uint8_t error_detail; 1867a6d42e7dSPeter Dunlap idm_status_t idm_status; 1868a6d42e7dSPeter Dunlap 1869a6d42e7dSPeter Dunlap error_class = ISCSI_STATUS_CLASS_SUCCESS; 1870a6d42e7dSPeter Dunlap error_detail = ISCSI_LOGIN_STATUS_ACCEPT; 1871a6d42e7dSPeter Dunlap 1872a6d42e7dSPeter Dunlap /* Check authentication status. */ 1873a6d42e7dSPeter Dunlap if (lsm->icl_login_csg == ISCSI_SECURITY_NEGOTIATION_STAGE) { 1874a6d42e7dSPeter Dunlap /* 1875a6d42e7dSPeter Dunlap * We should have some authentication key/value pair(s) 1876a6d42e7dSPeter Dunlap * received from initiator and the authentication phase 1877a6d42e7dSPeter Dunlap * has been shifted when the key/value pair(s) are being 1878a6d42e7dSPeter Dunlap * handled in the previous call iscsit_handle_security_key. 1879a6d42e7dSPeter Dunlap * Now it turns to target to check the authentication phase 1880a6d42e7dSPeter Dunlap * and shift it after taking some authentication action. 1881a6d42e7dSPeter Dunlap */ 1882a6d42e7dSPeter Dunlap kvrc = iscsit_reply_security_key(ict); 1883a6d42e7dSPeter Dunlap idm_kvstat_to_error(kvrc, &error_class, &error_detail); 1884a6d42e7dSPeter Dunlap } else if (!ict->ict_login_sm.icl_auth_pass) { 1885a6d42e7dSPeter Dunlap /* 1886a6d42e7dSPeter Dunlap * Check to see if the target allows initiators to bypass the 1887a6d42e7dSPeter Dunlap * security check. If the target is configured to require 1888a6d42e7dSPeter Dunlap * authentication, we reject the connection. 1889a6d42e7dSPeter Dunlap */ 1890a6d42e7dSPeter Dunlap if (am_list[0] == AM_NONE || am_list[0] == 0) { 1891a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_auth_pass = 1; 1892a6d42e7dSPeter Dunlap } else { 1893a6d42e7dSPeter Dunlap error_class = ISCSI_STATUS_CLASS_INITIATOR_ERR; 1894a6d42e7dSPeter Dunlap error_detail = ISCSI_LOGIN_STATUS_AUTH_FAILED; 1895a6d42e7dSPeter Dunlap } 1896a6d42e7dSPeter Dunlap } 1897a6d42e7dSPeter Dunlap 1898a6d42e7dSPeter Dunlap if (error_class == ISCSI_STATUS_CLASS_SUCCESS) { 1899a6d42e7dSPeter Dunlap idm_status = IDM_STATUS_SUCCESS; 1900a6d42e7dSPeter Dunlap } else { 1901a6d42e7dSPeter Dunlap /* supply login class/detail for login errors */ 1902a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 1903a6d42e7dSPeter Dunlap idm_status = IDM_STATUS_FAIL; 1904a6d42e7dSPeter Dunlap } 1905a6d42e7dSPeter Dunlap 1906a6d42e7dSPeter Dunlap return (idm_status); 1907a6d42e7dSPeter Dunlap } 1908a6d42e7dSPeter Dunlap 1909a6d42e7dSPeter Dunlap static void 1910a6d42e7dSPeter Dunlap login_sm_build_login_response(iscsit_conn_t *ict) 1911a6d42e7dSPeter Dunlap { 1912a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 1913a6d42e7dSPeter Dunlap iscsi_login_rsp_hdr_t *lh; 1914a6d42e7dSPeter Dunlap int transit, text_transit = 1; 1915a6d42e7dSPeter Dunlap 1916a6d42e7dSPeter Dunlap /* 1917a6d42e7dSPeter Dunlap * 1. Convert response nvlist to an idm text buffer that holds 1918a6d42e7dSPeter Dunlap * response key-value pairs. 1919a6d42e7dSPeter Dunlap * 2. Build a PDU to transmit the first login response PDU 1920a6d42e7dSPeter Dunlap * 3. If there is more data, wait for an ack then goto step 2. 1921a6d42e7dSPeter Dunlap */ 1922a6d42e7dSPeter Dunlap ASSERT(lsm->icl_login_resp != NULL); 1923a6d42e7dSPeter Dunlap 1924a6d42e7dSPeter Dunlap if (lsm->icl_response_nvlist) { 1925a6d42e7dSPeter Dunlap if (lsm->icl_login_resp_itb == NULL) { 1926a6d42e7dSPeter Dunlap /* initialze the idm text buf to send pdus */ 1927a6d42e7dSPeter Dunlap lsm->icl_login_resp_itb = idm_nvlist_to_itextbuf( 1928a6d42e7dSPeter Dunlap lsm->icl_response_nvlist); 1929a6d42e7dSPeter Dunlap if (lsm->icl_login_resp_itb == NULL) { 1930a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, 1931a6d42e7dSPeter Dunlap ISCSI_STATUS_CLASS_TARGET_ERR, 1932a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_NO_RESOURCES); 1933a6d42e7dSPeter Dunlap /* Still need to send the resp so continue */ 1934a6d42e7dSPeter Dunlap } else { 1935a6d42e7dSPeter Dunlap lsm->icl_login_resp_buf = 1936a6d42e7dSPeter Dunlap idm_pdu_init_text_data(lsm->icl_login_resp, 1937a6d42e7dSPeter Dunlap lsm->icl_login_resp_itb, 19381a1a84a3SPeter Dunlap ISCSI_DEFAULT_MAX_RECV_SEG_LEN, 1939a6d42e7dSPeter Dunlap lsm->icl_login_resp_buf, &text_transit); 1940a6d42e7dSPeter Dunlap } 1941a6d42e7dSPeter Dunlap } else { 1942a6d42e7dSPeter Dunlap lsm->icl_login_resp_buf = idm_pdu_init_text_data( 1943a6d42e7dSPeter Dunlap lsm->icl_login_resp, lsm->icl_login_resp_itb, 19441a1a84a3SPeter Dunlap ISCSI_DEFAULT_MAX_RECV_SEG_LEN, 1945a6d42e7dSPeter Dunlap lsm->icl_login_resp_buf, &text_transit); 1946a6d42e7dSPeter Dunlap } 1947a6d42e7dSPeter Dunlap } else { 1948a6d42e7dSPeter Dunlap lsm->icl_login_resp->isp_data = NULL; 1949a6d42e7dSPeter Dunlap lsm->icl_login_resp->isp_datalen = 0; 1950a6d42e7dSPeter Dunlap } 1951a6d42e7dSPeter Dunlap 1952a6d42e7dSPeter Dunlap /* 1953a6d42e7dSPeter Dunlap * Use the BHS header values from the response template 1954a6d42e7dSPeter Dunlap */ 1955a6d42e7dSPeter Dunlap bcopy(lsm->icl_login_resp_tmpl, 1956a6d42e7dSPeter Dunlap lsm->icl_login_resp->isp_hdr, sizeof (iscsi_login_rsp_hdr_t)); 1957a6d42e7dSPeter Dunlap 1958a6d42e7dSPeter Dunlap lh = (iscsi_login_rsp_hdr_t *)lsm->icl_login_resp->isp_hdr; 1959a6d42e7dSPeter Dunlap 1960a6d42e7dSPeter Dunlap /* Set error class/detail */ 1961a6d42e7dSPeter Dunlap lh->status_class = lsm->icl_login_resp_err_class; 1962a6d42e7dSPeter Dunlap lh->status_detail = lsm->icl_login_resp_err_detail; 1963a6d42e7dSPeter Dunlap /* Set CSG, NSG and Transit */ 1964a6d42e7dSPeter Dunlap lh->flags = 0; 1965a6d42e7dSPeter Dunlap lh->flags |= lsm->icl_login_csg << 2; 1966a6d42e7dSPeter Dunlap 1967a6d42e7dSPeter Dunlap 1968a6d42e7dSPeter Dunlap if (lh->status_class == ISCSI_STATUS_CLASS_SUCCESS) { 1969a6d42e7dSPeter Dunlap if (lsm->icl_login_transit && 1970a6d42e7dSPeter Dunlap lsm->icl_auth_pass != 0) { 1971a6d42e7dSPeter Dunlap transit = 1; 1972a6d42e7dSPeter Dunlap } else { 1973a6d42e7dSPeter Dunlap transit = 0; 1974a6d42e7dSPeter Dunlap } 1975a6d42e7dSPeter Dunlap /* 1976a6d42e7dSPeter Dunlap * inititalize the text data 1977a6d42e7dSPeter Dunlap */ 1978a6d42e7dSPeter Dunlap if (transit == 1 && text_transit == 1) { 1979a6d42e7dSPeter Dunlap lh->flags |= lsm->icl_login_nsg; 1980a6d42e7dSPeter Dunlap lsm->icl_login_csg = lsm->icl_login_nsg; 1981a6d42e7dSPeter Dunlap lh->flags |= ISCSI_FLAG_LOGIN_TRANSIT; 1982a6d42e7dSPeter Dunlap } else { 1983a6d42e7dSPeter Dunlap lh->flags &= ~ISCSI_FLAG_LOGIN_TRANSIT; 1984a6d42e7dSPeter Dunlap } 1985a6d42e7dSPeter Dunlap 1986a6d42e7dSPeter Dunlap /* If we are transitioning to FFP then set TSIH */ 1987a6d42e7dSPeter Dunlap if (transit && (lh->flags & ISCSI_FLAG_LOGIN_TRANSIT) && 1988a6d42e7dSPeter Dunlap lsm->icl_login_csg == ISCSI_FULL_FEATURE_PHASE) { 1989a6d42e7dSPeter Dunlap lh->tsid = htons(ict->ict_sess->ist_tsih); 1990a6d42e7dSPeter Dunlap } 1991a6d42e7dSPeter Dunlap } else { 1992a6d42e7dSPeter Dunlap lsm->icl_login_resp->isp_data = 0; 1993a6d42e7dSPeter Dunlap lsm->icl_login_resp->isp_datalen = 0; 1994a6d42e7dSPeter Dunlap } 1995a6d42e7dSPeter Dunlap } 1996a6d42e7dSPeter Dunlap 1997a6d42e7dSPeter Dunlap static kv_status_t 1998a6d42e7dSPeter Dunlap iscsit_handle_key(iscsit_conn_t *ict, nvpair_t *nvp, char *nvp_name) 1999a6d42e7dSPeter Dunlap { 2000a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2001a6d42e7dSPeter Dunlap kv_status_t kvrc; 2002a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx; 2003a6d42e7dSPeter Dunlap 2004a6d42e7dSPeter Dunlap ikvx = idm_lookup_kv_xlate(nvp_name, strlen(nvp_name)); 2005a6d42e7dSPeter Dunlap if (ikvx->ik_key_id == KI_MAX_KEY) { 2006a6d42e7dSPeter Dunlap /* 2007a6d42e7dSPeter Dunlap * Any key not understood by the acceptor may be igonred 2008a6d42e7dSPeter Dunlap * by the acceptor without affecting the basic function. 2009a6d42e7dSPeter Dunlap * However, the answer for a key not understood MUST be 2010a6d42e7dSPeter Dunlap * key=NotUnderstood. 2011a6d42e7dSPeter Dunlap */ 2012a6d42e7dSPeter Dunlap kvrc = iscsit_reply_string(ict, nvp_name, 2013a6d42e7dSPeter Dunlap ISCSI_TEXT_NOTUNDERSTOOD); 2014a6d42e7dSPeter Dunlap } else { 2015a6d42e7dSPeter Dunlap kvrc = iscsit_handle_common_key(ict, nvp, ikvx); 2016a6d42e7dSPeter Dunlap if (kvrc == KV_UNHANDLED) { 2017a6d42e7dSPeter Dunlap switch (lsm->icl_login_csg) { 2018a6d42e7dSPeter Dunlap case ISCSI_SECURITY_NEGOTIATION_STAGE: 2019a6d42e7dSPeter Dunlap kvrc = iscsit_handle_security_key( 2020a6d42e7dSPeter Dunlap ict, nvp, ikvx); 2021a6d42e7dSPeter Dunlap break; 2022a6d42e7dSPeter Dunlap case ISCSI_OP_PARMS_NEGOTIATION_STAGE: 2023a6d42e7dSPeter Dunlap kvrc = iscsit_handle_operational_key( 2024a6d42e7dSPeter Dunlap ict, nvp, ikvx); 2025a6d42e7dSPeter Dunlap break; 2026a6d42e7dSPeter Dunlap case ISCSI_FULL_FEATURE_PHASE: 2027a6d42e7dSPeter Dunlap default: 2028a6d42e7dSPeter Dunlap /* What are we doing here? */ 2029a6d42e7dSPeter Dunlap ASSERT(0); 2030a6d42e7dSPeter Dunlap kvrc = KV_UNHANDLED; 2031a6d42e7dSPeter Dunlap } 2032a6d42e7dSPeter Dunlap } 2033a6d42e7dSPeter Dunlap } 2034a6d42e7dSPeter Dunlap 2035a6d42e7dSPeter Dunlap return (kvrc); 2036a6d42e7dSPeter Dunlap } 2037a6d42e7dSPeter Dunlap 2038a6d42e7dSPeter Dunlap static kv_status_t 2039a6d42e7dSPeter Dunlap iscsit_handle_common_key(iscsit_conn_t *ict, nvpair_t *nvp, 2040a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx) 2041a6d42e7dSPeter Dunlap { 2042a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2043a6d42e7dSPeter Dunlap kv_status_t kvrc; 2044a6d42e7dSPeter Dunlap char *string_val; 2045a6d42e7dSPeter Dunlap int nvrc; 2046a6d42e7dSPeter Dunlap 2047a6d42e7dSPeter Dunlap switch (ikvx->ik_key_id) { 2048a6d42e7dSPeter Dunlap case KI_INITIATOR_NAME: 2049a6d42e7dSPeter Dunlap case KI_INITIATOR_ALIAS: 2050a6d42e7dSPeter Dunlap nvrc = nvlist_add_nvpair(lsm->icl_negotiated_values, nvp); 2051a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2052a6d42e7dSPeter Dunlap break; 2053a6d42e7dSPeter Dunlap case KI_TARGET_NAME: 2054a6d42e7dSPeter Dunlap /* We'll validate the target during login_sm_session_bind() */ 2055a6d42e7dSPeter Dunlap nvrc = nvpair_value_string(nvp, &string_val); 2056a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); /* We built this nvlist */ 2057a6d42e7dSPeter Dunlap 2058a6d42e7dSPeter Dunlap nvrc = nvlist_add_nvpair(lsm->icl_negotiated_values, nvp); 2059a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2060a6d42e7dSPeter Dunlap break; 2061a6d42e7dSPeter Dunlap case KI_TARGET_ALIAS: 2062a6d42e7dSPeter Dunlap case KI_TARGET_ADDRESS: 2063a6d42e7dSPeter Dunlap case KI_TARGET_PORTAL_GROUP_TAG: 2064a6d42e7dSPeter Dunlap kvrc = KV_TARGET_ONLY; /* Only the target can declare this */ 2065a6d42e7dSPeter Dunlap break; 2066a6d42e7dSPeter Dunlap case KI_SESSION_TYPE: 2067a6d42e7dSPeter Dunlap /* 2068a6d42e7dSPeter Dunlap * If we don't receive this key on the initial login 2069a6d42e7dSPeter Dunlap * we assume this is a normal session. 2070a6d42e7dSPeter Dunlap */ 2071a6d42e7dSPeter Dunlap nvrc = nvlist_add_nvpair(lsm->icl_negotiated_values, nvp); 2072a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2073a6d42e7dSPeter Dunlap nvrc = nvpair_value_string(nvp, &string_val); 2074a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); /* We built this nvlist */ 2075a6d42e7dSPeter Dunlap ict->ict_op.op_discovery_session = 2076a6d42e7dSPeter Dunlap strcmp(string_val, "Discovery") == 0 ? B_TRUE : B_FALSE; 2077a6d42e7dSPeter Dunlap break; 2078a6d42e7dSPeter Dunlap default: 2079a6d42e7dSPeter Dunlap /* 2080a6d42e7dSPeter Dunlap * This is not really an error but we should 2081a6d42e7dSPeter Dunlap * leave this nvpair on the list since we 2082a6d42e7dSPeter Dunlap * didn't do anything with it. Either 2083a6d42e7dSPeter Dunlap * the security or operational phase 2084a6d42e7dSPeter Dunlap * handling functions should process it. 2085a6d42e7dSPeter Dunlap */ 2086a6d42e7dSPeter Dunlap kvrc = KV_UNHANDLED; 2087a6d42e7dSPeter Dunlap break; 2088a6d42e7dSPeter Dunlap } 2089a6d42e7dSPeter Dunlap 2090a6d42e7dSPeter Dunlap return (kvrc); 2091a6d42e7dSPeter Dunlap } 2092a6d42e7dSPeter Dunlap 2093a6d42e7dSPeter Dunlap static kv_status_t 2094a6d42e7dSPeter Dunlap iscsit_handle_security_key(iscsit_conn_t *ict, nvpair_t *nvp, 2095a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx) 2096a6d42e7dSPeter Dunlap { 2097a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2098a6d42e7dSPeter Dunlap iscsit_auth_client_t *client = &lsm->icl_auth_client; 2099a6d42e7dSPeter Dunlap iscsikey_id_t kv_id; 2100a6d42e7dSPeter Dunlap kv_status_t kvrc; 2101a6d42e7dSPeter Dunlap iscsit_auth_handler_t handler; 2102a6d42e7dSPeter Dunlap 2103a6d42e7dSPeter Dunlap /* 2104a6d42e7dSPeter Dunlap * After all of security keys are handled, this function will 2105a6d42e7dSPeter Dunlap * be called again to verify current authentication status 2106a6d42e7dSPeter Dunlap * and perform some actual authentication work. At this time, 2107a6d42e7dSPeter Dunlap * the nvp and ikvx will be passed in as NULLs. 2108a6d42e7dSPeter Dunlap */ 2109a6d42e7dSPeter Dunlap if (ikvx != NULL) { 2110a6d42e7dSPeter Dunlap kv_id = ikvx->ik_key_id; 2111a6d42e7dSPeter Dunlap } else { 2112a6d42e7dSPeter Dunlap kv_id = 0; 2113a6d42e7dSPeter Dunlap } 2114a6d42e7dSPeter Dunlap 2115a6d42e7dSPeter Dunlap handler = iscsit_auth_get_handler(client, kv_id); 2116a6d42e7dSPeter Dunlap if (handler) { 2117a6d42e7dSPeter Dunlap kvrc = handler(ict, nvp, ikvx); 2118a6d42e7dSPeter Dunlap } else { 2119a6d42e7dSPeter Dunlap kvrc = KV_UNHANDLED; /* invalid request */ 2120a6d42e7dSPeter Dunlap } 2121a6d42e7dSPeter Dunlap 2122a6d42e7dSPeter Dunlap return (kvrc); 2123a6d42e7dSPeter Dunlap } 2124a6d42e7dSPeter Dunlap 2125a6d42e7dSPeter Dunlap static kv_status_t 2126a6d42e7dSPeter Dunlap iscsit_reply_security_key(iscsit_conn_t *ict) 2127a6d42e7dSPeter Dunlap { 2128a6d42e7dSPeter Dunlap return (iscsit_handle_security_key(ict, NULL, NULL)); 2129a6d42e7dSPeter Dunlap } 2130a6d42e7dSPeter Dunlap 2131a6d42e7dSPeter Dunlap static kv_status_t 2132a6d42e7dSPeter Dunlap iscsit_handle_operational_key(iscsit_conn_t *ict, nvpair_t *nvp, 2133a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx) 2134a6d42e7dSPeter Dunlap { 2135a6d42e7dSPeter Dunlap kv_status_t kvrc = KV_UNHANDLED; 2136a6d42e7dSPeter Dunlap boolean_t bool_val; 2137a6d42e7dSPeter Dunlap uint64_t num_val; 2138a6d42e7dSPeter Dunlap int nvrc; 2139a6d42e7dSPeter Dunlap 2140a6d42e7dSPeter Dunlap /* 2141a6d42e7dSPeter Dunlap * Retrieve values. All value lookups are expected to succeed 2142a6d42e7dSPeter Dunlap * since we build the nvlist while decoding the text buffer. This 2143a6d42e7dSPeter Dunlap * step is intended to eliminate some duplication of code (for example 2144a6d42e7dSPeter Dunlap * we only need to code the numerical value lookup once). We will 2145a6d42e7dSPeter Dunlap * handle the values (if necessary) below. 2146a6d42e7dSPeter Dunlap */ 2147a6d42e7dSPeter Dunlap switch (ikvx->ik_key_id) { 2148a6d42e7dSPeter Dunlap /* Lists */ 2149a6d42e7dSPeter Dunlap case KI_HEADER_DIGEST: 2150a6d42e7dSPeter Dunlap case KI_DATA_DIGEST: 2151a6d42e7dSPeter Dunlap break; 2152a6d42e7dSPeter Dunlap /* Booleans */ 2153a6d42e7dSPeter Dunlap case KI_INITIAL_R2T: 2154a6d42e7dSPeter Dunlap case KI_IMMEDIATE_DATA: 2155a6d42e7dSPeter Dunlap case KI_DATA_PDU_IN_ORDER: 2156a6d42e7dSPeter Dunlap case KI_DATA_SEQUENCE_IN_ORDER: 2157a6d42e7dSPeter Dunlap case KI_IFMARKER: 2158a6d42e7dSPeter Dunlap case KI_OFMARKER: 2159a6d42e7dSPeter Dunlap nvrc = nvpair_value_boolean_value(nvp, &bool_val); 2160a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); /* We built this nvlist */ 2161a6d42e7dSPeter Dunlap break; 2162a6d42e7dSPeter Dunlap /* Numericals */ 2163a6d42e7dSPeter Dunlap case KI_MAX_CONNECTIONS: 2164a6d42e7dSPeter Dunlap case KI_MAX_RECV_DATA_SEGMENT_LENGTH: 2165a6d42e7dSPeter Dunlap case KI_MAX_BURST_LENGTH: 2166a6d42e7dSPeter Dunlap case KI_FIRST_BURST_LENGTH: 2167a6d42e7dSPeter Dunlap case KI_DEFAULT_TIME_2_WAIT: 2168a6d42e7dSPeter Dunlap case KI_DEFAULT_TIME_2_RETAIN: 2169a6d42e7dSPeter Dunlap case KI_MAX_OUTSTANDING_R2T: 2170a6d42e7dSPeter Dunlap case KI_ERROR_RECOVERY_LEVEL: 2171a6d42e7dSPeter Dunlap nvrc = nvpair_value_uint64(nvp, &num_val); 2172a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2173a6d42e7dSPeter Dunlap break; 2174a6d42e7dSPeter Dunlap /* Ranges */ 2175a6d42e7dSPeter Dunlap case KI_OFMARKERINT: 2176a6d42e7dSPeter Dunlap case KI_IFMARKERINT: 2177a6d42e7dSPeter Dunlap break; 2178a6d42e7dSPeter Dunlap default: 2179a6d42e7dSPeter Dunlap break; 2180a6d42e7dSPeter Dunlap } 2181a6d42e7dSPeter Dunlap 2182a6d42e7dSPeter Dunlap /* 2183a6d42e7dSPeter Dunlap * Now handle the values according to the key name. Sometimes we 2184a6d42e7dSPeter Dunlap * don't care what the value is -- in that case we just add the nvpair 2185a6d42e7dSPeter Dunlap * to the negotiated values list. 2186a6d42e7dSPeter Dunlap */ 2187a6d42e7dSPeter Dunlap switch (ikvx->ik_key_id) { 2188a6d42e7dSPeter Dunlap case KI_HEADER_DIGEST: 2189a6d42e7dSPeter Dunlap kvrc = iscsit_handle_digest(ict, nvp, ikvx); 2190a6d42e7dSPeter Dunlap break; 2191a6d42e7dSPeter Dunlap case KI_DATA_DIGEST: 2192a6d42e7dSPeter Dunlap kvrc = iscsit_handle_digest(ict, nvp, ikvx); 2193a6d42e7dSPeter Dunlap break; 2194a6d42e7dSPeter Dunlap case KI_INITIAL_R2T: 2195a6d42e7dSPeter Dunlap /* We *require* INITIAL_R2T=yes */ 2196a6d42e7dSPeter Dunlap kvrc = iscsit_handle_boolean(ict, nvp, bool_val, ikvx, 2197a6d42e7dSPeter Dunlap B_TRUE); 2198a6d42e7dSPeter Dunlap break; 2199a6d42e7dSPeter Dunlap case KI_IMMEDIATE_DATA: 2200a6d42e7dSPeter Dunlap kvrc = iscsit_handle_boolean(ict, nvp, bool_val, ikvx, 2201263f58aaSPriya Krishnan bool_val); 2202a6d42e7dSPeter Dunlap break; 2203a6d42e7dSPeter Dunlap case KI_DATA_PDU_IN_ORDER: 2204a6d42e7dSPeter Dunlap kvrc = iscsit_handle_boolean(ict, nvp, bool_val, ikvx, 2205a6d42e7dSPeter Dunlap B_TRUE); 2206a6d42e7dSPeter Dunlap break; 2207a6d42e7dSPeter Dunlap case KI_DATA_SEQUENCE_IN_ORDER: 2208a6d42e7dSPeter Dunlap /* We allow any value for DATA_SEQUENCE_IN_ORDER */ 2209a6d42e7dSPeter Dunlap kvrc = iscsit_handle_boolean(ict, nvp, bool_val, ikvx, 2210a6d42e7dSPeter Dunlap bool_val); 2211a6d42e7dSPeter Dunlap break; 2212a6d42e7dSPeter Dunlap case KI_OFMARKER: 2213a6d42e7dSPeter Dunlap case KI_IFMARKER: 2214a6d42e7dSPeter Dunlap /* We don't support markers */ 2215a6d42e7dSPeter Dunlap kvrc = iscsit_handle_boolean(ict, nvp, bool_val, ikvx, 2216a6d42e7dSPeter Dunlap B_FALSE); 2217a6d42e7dSPeter Dunlap break; 2218a6d42e7dSPeter Dunlap case KI_MAX_CONNECTIONS: 2219a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2220a6d42e7dSPeter Dunlap ISCSI_MIN_CONNECTIONS, 2221a6d42e7dSPeter Dunlap ISCSI_MAX_CONNECTIONS, 2222a6d42e7dSPeter Dunlap ISCSIT_MAX_CONNECTIONS); 2223a6d42e7dSPeter Dunlap break; 2224a6d42e7dSPeter Dunlap case KI_MAX_RECV_DATA_SEGMENT_LENGTH: 2225a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2226a6d42e7dSPeter Dunlap ISCSI_MIN_RECV_DATA_SEGMENT_LENGTH, 2227a6d42e7dSPeter Dunlap ISCSI_MAX_RECV_DATA_SEGMENT_LENGTH, 2228a6d42e7dSPeter Dunlap ISCSIT_MAX_RECV_DATA_SEGMENT_LENGTH); 2229a6d42e7dSPeter Dunlap break; 2230a6d42e7dSPeter Dunlap case KI_MAX_BURST_LENGTH: 2231a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2232a6d42e7dSPeter Dunlap ISCSI_MIN_MAX_BURST_LENGTH, 2233a6d42e7dSPeter Dunlap ISCSI_MAX_BURST_LENGTH, 2234a6d42e7dSPeter Dunlap ISCSIT_MAX_BURST_LENGTH); 2235a6d42e7dSPeter Dunlap break; 2236a6d42e7dSPeter Dunlap case KI_FIRST_BURST_LENGTH: 2237a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2238a6d42e7dSPeter Dunlap ISCSI_MIN_FIRST_BURST_LENGTH, 2239a6d42e7dSPeter Dunlap ISCSI_MAX_FIRST_BURST_LENGTH, 2240a6d42e7dSPeter Dunlap ISCSIT_MAX_FIRST_BURST_LENGTH); 2241a6d42e7dSPeter Dunlap break; 2242a6d42e7dSPeter Dunlap case KI_DEFAULT_TIME_2_WAIT: 2243a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2244a6d42e7dSPeter Dunlap ISCSI_MIN_TIME2WAIT, 2245a6d42e7dSPeter Dunlap ISCSI_MAX_TIME2WAIT, 2246a6d42e7dSPeter Dunlap ISCSIT_MAX_TIME2WAIT); 2247a6d42e7dSPeter Dunlap break; 2248a6d42e7dSPeter Dunlap case KI_DEFAULT_TIME_2_RETAIN: 2249a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2250a6d42e7dSPeter Dunlap ISCSI_MIN_TIME2RETAIN, 2251a6d42e7dSPeter Dunlap ISCSI_MAX_TIME2RETAIN, 2252a6d42e7dSPeter Dunlap ISCSIT_MAX_TIME2RETAIN); 2253a6d42e7dSPeter Dunlap break; 2254a6d42e7dSPeter Dunlap case KI_MAX_OUTSTANDING_R2T: 2255a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2256a6d42e7dSPeter Dunlap ISCSI_MIN_MAX_OUTSTANDING_R2T, 2257a6d42e7dSPeter Dunlap ISCSI_MAX_OUTSTANDING_R2T, 2258a6d42e7dSPeter Dunlap ISCSIT_MAX_OUTSTANDING_R2T); 2259a6d42e7dSPeter Dunlap break; 2260a6d42e7dSPeter Dunlap case KI_ERROR_RECOVERY_LEVEL: 2261a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2262a6d42e7dSPeter Dunlap ISCSI_MIN_ERROR_RECOVERY_LEVEL, 2263a6d42e7dSPeter Dunlap ISCSI_MAX_ERROR_RECOVERY_LEVEL, 2264a6d42e7dSPeter Dunlap ISCSIT_MAX_ERROR_RECOVERY_LEVEL); 2265a6d42e7dSPeter Dunlap break; 2266a6d42e7dSPeter Dunlap case KI_OFMARKERINT: 2267a6d42e7dSPeter Dunlap case KI_IFMARKERINT: 2268a6d42e7dSPeter Dunlap kvrc = iscsit_reply_string(ict, ikvx->ik_key_name, 2269a6d42e7dSPeter Dunlap ISCSI_TEXT_IRRELEVANT); 2270a6d42e7dSPeter Dunlap break; 2271a6d42e7dSPeter Dunlap default: 2272a6d42e7dSPeter Dunlap kvrc = KV_UNHANDLED; /* invalid request */ 2273a6d42e7dSPeter Dunlap break; 2274a6d42e7dSPeter Dunlap } 2275a6d42e7dSPeter Dunlap 2276a6d42e7dSPeter Dunlap return (kvrc); 2277a6d42e7dSPeter Dunlap } 2278a6d42e7dSPeter Dunlap 2279a6d42e7dSPeter Dunlap static kv_status_t 2280a6d42e7dSPeter Dunlap iscsit_reply_numerical(iscsit_conn_t *ict, 2281a6d42e7dSPeter Dunlap const char *nvp_name, const uint64_t value) 2282a6d42e7dSPeter Dunlap { 2283a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2284a6d42e7dSPeter Dunlap kv_status_t kvrc; 2285a6d42e7dSPeter Dunlap int nvrc; 2286a6d42e7dSPeter Dunlap 2287a6d42e7dSPeter Dunlap nvrc = nvlist_add_uint64(lsm->icl_response_nvlist, 2288a6d42e7dSPeter Dunlap nvp_name, value); 2289a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2290a6d42e7dSPeter Dunlap 2291a6d42e7dSPeter Dunlap return (kvrc); 2292a6d42e7dSPeter Dunlap } 2293a6d42e7dSPeter Dunlap 2294a6d42e7dSPeter Dunlap static kv_status_t 2295a6d42e7dSPeter Dunlap iscsit_reply_string(iscsit_conn_t *ict, 2296a6d42e7dSPeter Dunlap const char *nvp_name, const char *text) 2297a6d42e7dSPeter Dunlap { 2298a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2299a6d42e7dSPeter Dunlap kv_status_t kvrc; 2300a6d42e7dSPeter Dunlap int nvrc; 2301a6d42e7dSPeter Dunlap 2302a6d42e7dSPeter Dunlap nvrc = nvlist_add_string(lsm->icl_response_nvlist, 2303a6d42e7dSPeter Dunlap nvp_name, text); 2304a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2305a6d42e7dSPeter Dunlap 2306a6d42e7dSPeter Dunlap return (kvrc); 2307a6d42e7dSPeter Dunlap } 2308a6d42e7dSPeter Dunlap 2309a6d42e7dSPeter Dunlap static kv_status_t 2310a6d42e7dSPeter Dunlap iscsit_handle_digest(iscsit_conn_t *ict, nvpair_t *choices, 2311a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx) 2312a6d42e7dSPeter Dunlap { 2313a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2314a6d42e7dSPeter Dunlap kv_status_t kvrc = KV_VALUE_ERROR; 2315a6d42e7dSPeter Dunlap int nvrc; 2316a6d42e7dSPeter Dunlap nvpair_t *digest_choice; 2317a6d42e7dSPeter Dunlap char *digest_choice_string; 2318a6d42e7dSPeter Dunlap 2319a6d42e7dSPeter Dunlap /* 2320a6d42e7dSPeter Dunlap * Need to add persistent config here if we want users to allow 2321a6d42e7dSPeter Dunlap * disabling of digests on the target side. You could argue that 2322a6d42e7dSPeter Dunlap * this makes things too complicated... just let the initiator state 2323a6d42e7dSPeter Dunlap * what it wants and we'll take it. For now that's exactly what 2324a6d42e7dSPeter Dunlap * we'll do. 2325a6d42e7dSPeter Dunlap * 2326a6d42e7dSPeter Dunlap * Basic digest negotiation happens here at iSCSI level. IDM 2327a6d42e7dSPeter Dunlap * can override this during negotiate_key_values phase to 2328a6d42e7dSPeter Dunlap * decline to set up any digest processing. 2329a6d42e7dSPeter Dunlap */ 2330a6d42e7dSPeter Dunlap digest_choice = idm_get_next_listvalue(choices, NULL); 2331a6d42e7dSPeter Dunlap 2332a6d42e7dSPeter Dunlap /* 2333a6d42e7dSPeter Dunlap * Loop through all choices. As soon as we find a choice 2334a6d42e7dSPeter Dunlap * that we support add the value to our negotiated values list 2335a6d42e7dSPeter Dunlap * and respond with that value in the login response. 2336a6d42e7dSPeter Dunlap */ 2337a6d42e7dSPeter Dunlap while (digest_choice != NULL) { 2338a6d42e7dSPeter Dunlap nvrc = nvpair_value_string(digest_choice, 2339a6d42e7dSPeter Dunlap &digest_choice_string); 2340a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2341a6d42e7dSPeter Dunlap 2342a6d42e7dSPeter Dunlap if ((strcasecmp(digest_choice_string, "crc32c") == 0) || 2343a6d42e7dSPeter Dunlap (strcasecmp(digest_choice_string, "none") == 0)) { 2344a6d42e7dSPeter Dunlap /* Add to negotiated values list */ 2345a6d42e7dSPeter Dunlap nvrc = nvlist_add_string(lsm->icl_negotiated_values, 2346a6d42e7dSPeter Dunlap ikvx->ik_key_name, digest_choice_string); 2347a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2348a6d42e7dSPeter Dunlap if (nvrc == 0) { 2349a6d42e7dSPeter Dunlap /* Add to login response list */ 2350a6d42e7dSPeter Dunlap nvrc = nvlist_add_string( 2351a6d42e7dSPeter Dunlap lsm->icl_response_nvlist, 2352a6d42e7dSPeter Dunlap ikvx->ik_key_name, digest_choice_string); 2353a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2354a6d42e7dSPeter Dunlap } 2355a6d42e7dSPeter Dunlap break; 2356a6d42e7dSPeter Dunlap } 2357a6d42e7dSPeter Dunlap digest_choice = idm_get_next_listvalue(choices, 2358a6d42e7dSPeter Dunlap digest_choice); 2359a6d42e7dSPeter Dunlap } 2360a6d42e7dSPeter Dunlap 2361a6d42e7dSPeter Dunlap if (digest_choice == NULL) 2362a6d42e7dSPeter Dunlap kvrc = KV_VALUE_ERROR; 2363a6d42e7dSPeter Dunlap 2364a6d42e7dSPeter Dunlap return (kvrc); 2365a6d42e7dSPeter Dunlap } 2366a6d42e7dSPeter Dunlap 2367a6d42e7dSPeter Dunlap static kv_status_t 2368a6d42e7dSPeter Dunlap iscsit_handle_boolean(iscsit_conn_t *ict, nvpair_t *nvp, boolean_t value, 2369a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx, boolean_t iscsit_value) 2370a6d42e7dSPeter Dunlap { 2371a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2372a6d42e7dSPeter Dunlap kv_status_t kvrc; 2373a6d42e7dSPeter Dunlap int nvrc; 2374a6d42e7dSPeter Dunlap 2375a6d42e7dSPeter Dunlap if (value != iscsit_value) { 2376a6d42e7dSPeter Dunlap /* Respond back to initiator with our value */ 2377a6d42e7dSPeter Dunlap value = iscsit_value; 2378a6d42e7dSPeter Dunlap lsm->icl_login_transit = B_FALSE; 2379a6d42e7dSPeter Dunlap nvrc = 0; 2380a6d42e7dSPeter Dunlap } else { 2381a6d42e7dSPeter Dunlap /* Add this to our negotiated values */ 2382a6d42e7dSPeter Dunlap nvrc = nvlist_add_nvpair(lsm->icl_negotiated_values, 2383a6d42e7dSPeter Dunlap nvp); 2384a6d42e7dSPeter Dunlap } 2385a6d42e7dSPeter Dunlap 2386a6d42e7dSPeter Dunlap /* Response of Simple-value Negotiation */ 2387a6d42e7dSPeter Dunlap if (nvrc == 0 && !ikvx->ik_declarative) { 2388a6d42e7dSPeter Dunlap nvrc = nvlist_add_boolean_value( 2389a6d42e7dSPeter Dunlap lsm->icl_response_nvlist, ikvx->ik_key_name, value); 2390a6d42e7dSPeter Dunlap } 2391a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2392a6d42e7dSPeter Dunlap 2393a6d42e7dSPeter Dunlap return (kvrc); 2394a6d42e7dSPeter Dunlap } 2395a6d42e7dSPeter Dunlap 2396a6d42e7dSPeter Dunlap static kv_status_t 2397a6d42e7dSPeter Dunlap iscsit_handle_numerical(iscsit_conn_t *ict, nvpair_t *nvp, uint64_t value, 2398a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx, 2399a6d42e7dSPeter Dunlap uint64_t iscsi_min_value, uint64_t iscsi_max_value, 2400a6d42e7dSPeter Dunlap uint64_t iscsit_max_value) 2401a6d42e7dSPeter Dunlap { 2402a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2403a6d42e7dSPeter Dunlap kv_status_t kvrc; 2404a6d42e7dSPeter Dunlap int nvrc; 2405a6d42e7dSPeter Dunlap 2406a6d42e7dSPeter Dunlap /* Validate against standard */ 2407a6d42e7dSPeter Dunlap if ((value < iscsi_min_value) || (value > iscsi_max_value)) { 2408a6d42e7dSPeter Dunlap kvrc = KV_VALUE_ERROR; 2409a6d42e7dSPeter Dunlap } else { 2410a6d42e7dSPeter Dunlap if (value > iscsit_max_value) { 2411a6d42e7dSPeter Dunlap /* Respond back to initiator with our value */ 2412a6d42e7dSPeter Dunlap value = iscsit_max_value; 2413a6d42e7dSPeter Dunlap lsm->icl_login_transit = B_FALSE; 2414a6d42e7dSPeter Dunlap nvrc = 0; 2415a6d42e7dSPeter Dunlap } else { 2416a6d42e7dSPeter Dunlap /* Add this to our negotiated values */ 2417a6d42e7dSPeter Dunlap nvrc = nvlist_add_nvpair(lsm->icl_negotiated_values, 2418a6d42e7dSPeter Dunlap nvp); 2419a6d42e7dSPeter Dunlap } 2420a6d42e7dSPeter Dunlap 2421a6d42e7dSPeter Dunlap /* Response of Simple-value Negotiation */ 2422a6d42e7dSPeter Dunlap if (nvrc == 0 && !ikvx->ik_declarative) { 2423a6d42e7dSPeter Dunlap nvrc = nvlist_add_uint64(lsm->icl_response_nvlist, 2424a6d42e7dSPeter Dunlap ikvx->ik_key_name, value); 2425a6d42e7dSPeter Dunlap } 2426a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2427a6d42e7dSPeter Dunlap } 2428a6d42e7dSPeter Dunlap 2429a6d42e7dSPeter Dunlap return (kvrc); 2430a6d42e7dSPeter Dunlap } 2431a6d42e7dSPeter Dunlap 2432a6d42e7dSPeter Dunlap 2433a6d42e7dSPeter Dunlap static void 2434a6d42e7dSPeter Dunlap iscsit_process_negotiated_values(iscsit_conn_t *ict) 2435a6d42e7dSPeter Dunlap { 2436a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2437a6d42e7dSPeter Dunlap char *string_val; 2438a6d42e7dSPeter Dunlap boolean_t boolean_val; 2439a6d42e7dSPeter Dunlap uint64_t uint64_val; 2440a6d42e7dSPeter Dunlap int nvrc; 2441a6d42e7dSPeter Dunlap 2442a6d42e7dSPeter Dunlap /* Let the IDM level activate its parameters first */ 2443*30e7468fSPeter Dunlap idm_notice_key_values(ict->ict_ic, lsm->icl_negotiated_values); 2444a6d42e7dSPeter Dunlap 2445a6d42e7dSPeter Dunlap /* 2446a6d42e7dSPeter Dunlap * Initiator alias and target alias 2447a6d42e7dSPeter Dunlap */ 2448a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_string(lsm->icl_negotiated_values, 2449a6d42e7dSPeter Dunlap "InitiatorAlias", &string_val)) != ENOENT) { 2450a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2451a6d42e7dSPeter Dunlap ict->ict_sess->ist_initiator_alias = 2452a6d42e7dSPeter Dunlap kmem_alloc(strlen(string_val) + 1, KM_SLEEP); 2453a6d42e7dSPeter Dunlap (void) strcpy(ict->ict_sess->ist_initiator_alias, string_val); 2454a6d42e7dSPeter Dunlap } 2455a6d42e7dSPeter Dunlap 2456a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_string(lsm->icl_negotiated_values, 2457a6d42e7dSPeter Dunlap "TargetAlias", &string_val)) != ENOENT) { 2458a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2459a6d42e7dSPeter Dunlap ict->ict_sess->ist_target_alias = 2460a6d42e7dSPeter Dunlap kmem_alloc(strlen(string_val) + 1, KM_SLEEP); 2461a6d42e7dSPeter Dunlap (void) strcpy(ict->ict_sess->ist_target_alias, string_val); 2462a6d42e7dSPeter Dunlap } 2463a6d42e7dSPeter Dunlap 2464a6d42e7dSPeter Dunlap /* 2465a6d42e7dSPeter Dunlap * Operational parameters. We process SessionType when it is 2466a6d42e7dSPeter Dunlap * initially received since it is required on the initial login. 2467a6d42e7dSPeter Dunlap */ 2468a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_boolean_value(lsm->icl_negotiated_values, 2469a6d42e7dSPeter Dunlap "InitialR2T", &boolean_val)) != ENOENT) { 2470a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2471a6d42e7dSPeter Dunlap ict->ict_op.op_initial_r2t = boolean_val; 2472a6d42e7dSPeter Dunlap } 2473a6d42e7dSPeter Dunlap 2474a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_boolean_value(lsm->icl_negotiated_values, 2475a6d42e7dSPeter Dunlap "ImmediateData", &boolean_val)) != ENOENT) { 2476a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2477a6d42e7dSPeter Dunlap ict->ict_op.op_immed_data = boolean_val; 2478a6d42e7dSPeter Dunlap } 2479a6d42e7dSPeter Dunlap 2480a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_boolean_value(lsm->icl_negotiated_values, 2481a6d42e7dSPeter Dunlap "DataPDUInOrder", &boolean_val)) != ENOENT) { 2482a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2483a6d42e7dSPeter Dunlap ict->ict_op.op_data_pdu_in_order = boolean_val; 2484a6d42e7dSPeter Dunlap } 2485a6d42e7dSPeter Dunlap 2486a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_boolean_value(lsm->icl_negotiated_values, 2487a6d42e7dSPeter Dunlap "DataSequenceInOrder", &boolean_val)) != ENOENT) { 2488a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2489a6d42e7dSPeter Dunlap ict->ict_op.op_data_sequence_in_order = boolean_val; 2490a6d42e7dSPeter Dunlap } 2491a6d42e7dSPeter Dunlap 2492a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2493a6d42e7dSPeter Dunlap "MaxConnections", &uint64_val)) != ENOENT) { 2494a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2495a6d42e7dSPeter Dunlap ict->ict_op.op_max_connections = uint64_val; 2496a6d42e7dSPeter Dunlap } 2497a6d42e7dSPeter Dunlap 2498a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2499a6d42e7dSPeter Dunlap "MaxRecvDataSegmentLength", &uint64_val)) != ENOENT) { 2500a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2501a6d42e7dSPeter Dunlap ict->ict_op.op_max_recv_data_segment_length = uint64_val; 2502a6d42e7dSPeter Dunlap } 2503a6d42e7dSPeter Dunlap 2504a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2505a6d42e7dSPeter Dunlap "MaxBurstLength", &uint64_val)) != ENOENT) { 2506a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2507a6d42e7dSPeter Dunlap ict->ict_op.op_max_burst_length = uint64_val; 2508a6d42e7dSPeter Dunlap } 2509a6d42e7dSPeter Dunlap 2510a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2511a6d42e7dSPeter Dunlap "FirstBurstLength", &uint64_val)) != ENOENT) { 2512a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2513a6d42e7dSPeter Dunlap ict->ict_op.op_first_burst_length = uint64_val; 2514a6d42e7dSPeter Dunlap } 2515a6d42e7dSPeter Dunlap 2516a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2517a6d42e7dSPeter Dunlap "DefaultTime2Wait", &uint64_val)) != ENOENT) { 2518a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2519a6d42e7dSPeter Dunlap ict->ict_op.op_default_time_2_wait = uint64_val; 2520a6d42e7dSPeter Dunlap } 2521a6d42e7dSPeter Dunlap 2522a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2523a6d42e7dSPeter Dunlap "DefaultTime2Retain", &uint64_val)) != ENOENT) { 2524a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2525a6d42e7dSPeter Dunlap ict->ict_op.op_default_time_2_retain = uint64_val; 2526a6d42e7dSPeter Dunlap } 2527a6d42e7dSPeter Dunlap 2528a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2529a6d42e7dSPeter Dunlap "MaxOutstandingR2T", &uint64_val)) != ENOENT) { 2530a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2531a6d42e7dSPeter Dunlap ict->ict_op.op_max_outstanding_r2t = uint64_val; 2532a6d42e7dSPeter Dunlap } 2533a6d42e7dSPeter Dunlap 2534a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2535a6d42e7dSPeter Dunlap "ErrorRecoveryLevel", &uint64_val)) != ENOENT) { 2536a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2537a6d42e7dSPeter Dunlap ict->ict_op.op_error_recovery_level = uint64_val; 2538a6d42e7dSPeter Dunlap } 2539a6d42e7dSPeter Dunlap } 2540