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 */ 21*483b029bSYuri Pankov 22a6d42e7dSPeter Dunlap /* 234558d122SViswanathan Kannappan * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. 24*483b029bSYuri Pankov * Copyright 2014 Nexenta Systems, Inc. All rights reserved. 25a6d42e7dSPeter Dunlap */ 26a6d42e7dSPeter Dunlap 27a6d42e7dSPeter Dunlap #include <sys/cpuvar.h> 28a6d42e7dSPeter Dunlap #include <sys/types.h> 29a6d42e7dSPeter Dunlap #include <sys/conf.h> 30a6d42e7dSPeter Dunlap #include <sys/file.h> 31a6d42e7dSPeter Dunlap #include <sys/ddi.h> 32a6d42e7dSPeter Dunlap #include <sys/sunddi.h> 33a6d42e7dSPeter Dunlap #include <sys/modctl.h> 34716c1805SNattuvetty Bhavyan #include <sys/scsi/generic/persist.h> 35a6d42e7dSPeter Dunlap 36a6d42e7dSPeter Dunlap #include <sys/socket.h> 37a6d42e7dSPeter Dunlap #include <sys/strsubr.h> 38a6d42e7dSPeter Dunlap #include <sys/sysmacros.h> 39a6d42e7dSPeter Dunlap #include <sys/note.h> 40a6d42e7dSPeter Dunlap #include <sys/sdt.h> 41a6d42e7dSPeter Dunlap 42a6d42e7dSPeter Dunlap #include <sys/stmf.h> 43a6d42e7dSPeter Dunlap #include <sys/stmf_ioctl.h> 44a6d42e7dSPeter Dunlap #include <sys/portif.h> 45a6d42e7dSPeter Dunlap #include <sys/idm/idm.h> 46a6d42e7dSPeter Dunlap #include <sys/idm/idm_text.h> 47a6d42e7dSPeter Dunlap 48a6d42e7dSPeter Dunlap #define ISCSIT_LOGIN_SM_STRINGS 494558d122SViswanathan Kannappan #include "iscsit.h" 504558d122SViswanathan Kannappan #include "iscsit_auth.h" 51a6d42e7dSPeter Dunlap 52a6d42e7dSPeter Dunlap typedef struct { 53a6d42e7dSPeter Dunlap list_node_t le_ctx_node; 54a6d42e7dSPeter Dunlap iscsit_login_event_t le_ctx_event; 55a6d42e7dSPeter Dunlap idm_pdu_t *le_pdu; 56a6d42e7dSPeter Dunlap } login_event_ctx_t; 57a6d42e7dSPeter Dunlap 58a6d42e7dSPeter Dunlap #ifndef TRUE 59a6d42e7dSPeter Dunlap #define TRUE B_TRUE 60a6d42e7dSPeter Dunlap #endif 61a6d42e7dSPeter Dunlap 62a6d42e7dSPeter Dunlap #ifndef FALSE 63a6d42e7dSPeter Dunlap #define FALSE B_FALSE 64a6d42e7dSPeter Dunlap #endif 65a6d42e7dSPeter Dunlap 66a6d42e7dSPeter Dunlap #define DEFAULT_RADIUS_PORT 1812 67a6d42e7dSPeter Dunlap 68a6d42e7dSPeter Dunlap static void 69a6d42e7dSPeter Dunlap login_sm_complete(void *ict_void); 70a6d42e7dSPeter Dunlap 71a6d42e7dSPeter Dunlap static void 72a6d42e7dSPeter Dunlap login_sm_event_dispatch(iscsit_conn_login_t *lsm, iscsit_conn_t *ict, 73a6d42e7dSPeter Dunlap login_event_ctx_t *ctx); 74a6d42e7dSPeter Dunlap 75a6d42e7dSPeter Dunlap static void 76a6d42e7dSPeter Dunlap login_sm_init(iscsit_conn_t *ict, login_event_ctx_t *ctx); 77a6d42e7dSPeter Dunlap 78a6d42e7dSPeter Dunlap static void 79a6d42e7dSPeter Dunlap login_sm_waiting(iscsit_conn_t *ict, login_event_ctx_t *ctx); 80a6d42e7dSPeter Dunlap 81a6d42e7dSPeter Dunlap static void 82a6d42e7dSPeter Dunlap login_sm_processing(iscsit_conn_t *ict, login_event_ctx_t *ctx); 83a6d42e7dSPeter Dunlap 84a6d42e7dSPeter Dunlap static void 85a6d42e7dSPeter Dunlap login_sm_responding(iscsit_conn_t *ict, login_event_ctx_t *ctx); 86a6d42e7dSPeter Dunlap 87a6d42e7dSPeter Dunlap static void 88a6d42e7dSPeter Dunlap login_sm_responded(iscsit_conn_t *ict, login_event_ctx_t *ctx); 89a6d42e7dSPeter Dunlap 90a6d42e7dSPeter Dunlap static void 91a6d42e7dSPeter Dunlap login_sm_ffp(iscsit_conn_t *ict, login_event_ctx_t *ctx); 92a6d42e7dSPeter Dunlap 93a6d42e7dSPeter Dunlap static void 94a6d42e7dSPeter Dunlap login_sm_done(iscsit_conn_t *ict, login_event_ctx_t *ctx); 95a6d42e7dSPeter Dunlap 96a6d42e7dSPeter Dunlap static void 97a6d42e7dSPeter Dunlap login_sm_error(iscsit_conn_t *ict, login_event_ctx_t *ctx); 98a6d42e7dSPeter Dunlap 99a6d42e7dSPeter Dunlap static void 100a6d42e7dSPeter Dunlap login_sm_new_state(iscsit_conn_t *ict, login_event_ctx_t *ctx, 101a6d42e7dSPeter Dunlap iscsit_login_state_t new_state); 102a6d42e7dSPeter Dunlap 103a6d42e7dSPeter Dunlap static void 104a6d42e7dSPeter Dunlap login_sm_send_ack(iscsit_conn_t *ict, idm_pdu_t *pdu); 105a6d42e7dSPeter Dunlap 106a6d42e7dSPeter Dunlap static idm_status_t 107a6d42e7dSPeter Dunlap login_sm_validate_ack(iscsit_conn_t *ict, idm_pdu_t *pdu); 108a6d42e7dSPeter Dunlap 109a6d42e7dSPeter Dunlap static boolean_t 1104142b486SJames Moore login_sm_is_last_response(idm_pdu_t *pdu); 111a6d42e7dSPeter Dunlap 112a6d42e7dSPeter Dunlap static void 113a6d42e7dSPeter Dunlap login_sm_handle_initial_login(iscsit_conn_t *ict, idm_pdu_t *pdu); 114a6d42e7dSPeter Dunlap 115a6d42e7dSPeter Dunlap static void 1164142b486SJames Moore login_sm_send_next_response(iscsit_conn_t *ict, idm_pdu_t *pdu); 117a6d42e7dSPeter Dunlap 118a6d42e7dSPeter Dunlap static void 119a6d42e7dSPeter Dunlap login_sm_process_request(iscsit_conn_t *ict); 120a6d42e7dSPeter Dunlap 121a6d42e7dSPeter Dunlap static idm_status_t 122a6d42e7dSPeter Dunlap login_sm_req_pdu_check(iscsit_conn_t *ict, idm_pdu_t *pdu); 123a6d42e7dSPeter Dunlap 124a6d42e7dSPeter Dunlap static idm_status_t 125a6d42e7dSPeter Dunlap login_sm_process_nvlist(iscsit_conn_t *ict); 126a6d42e7dSPeter Dunlap 127a6d42e7dSPeter Dunlap static idm_status_t 128a6d42e7dSPeter Dunlap login_sm_check_security(iscsit_conn_t *ict); 129a6d42e7dSPeter Dunlap 1304142b486SJames Moore static idm_pdu_t * 131a6d42e7dSPeter Dunlap login_sm_build_login_response(iscsit_conn_t *ict); 132a6d42e7dSPeter Dunlap 133a6d42e7dSPeter Dunlap static void 134a6d42e7dSPeter Dunlap login_sm_ffp_actions(iscsit_conn_t *ict); 135a6d42e7dSPeter Dunlap 136a6d42e7dSPeter Dunlap static idm_status_t 137a6d42e7dSPeter Dunlap login_sm_validate_initial_parameters(iscsit_conn_t *ict); 138a6d42e7dSPeter Dunlap 139a6d42e7dSPeter Dunlap static idm_status_t 140a6d42e7dSPeter Dunlap login_sm_session_bind(iscsit_conn_t *ict); 141a6d42e7dSPeter Dunlap 142a6d42e7dSPeter Dunlap static idm_status_t 143a6d42e7dSPeter Dunlap login_sm_set_auth(iscsit_conn_t *ict); 144a6d42e7dSPeter Dunlap 145a6d42e7dSPeter Dunlap static idm_status_t 146a6d42e7dSPeter Dunlap login_sm_session_register(iscsit_conn_t *ict); 147a6d42e7dSPeter Dunlap 148a6d42e7dSPeter Dunlap static kv_status_t 149a6d42e7dSPeter Dunlap iscsit_handle_key(iscsit_conn_t *ict, nvpair_t *nvp, char *nvp_name); 150a6d42e7dSPeter Dunlap 151a6d42e7dSPeter Dunlap static kv_status_t 152a6d42e7dSPeter Dunlap iscsit_handle_common_key(iscsit_conn_t *ict, nvpair_t *nvp, 153a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx); 154a6d42e7dSPeter Dunlap 155a6d42e7dSPeter Dunlap static kv_status_t 156a6d42e7dSPeter Dunlap iscsit_handle_security_key(iscsit_conn_t *ict, nvpair_t *nvp, 157a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx); 158a6d42e7dSPeter Dunlap 159a6d42e7dSPeter Dunlap static kv_status_t 160a6d42e7dSPeter Dunlap iscsit_reply_security_key(iscsit_conn_t *ict); 161a6d42e7dSPeter Dunlap 162a6d42e7dSPeter Dunlap static kv_status_t 163a6d42e7dSPeter Dunlap iscsit_handle_operational_key(iscsit_conn_t *ict, nvpair_t *nvp, 164a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx); 165a6d42e7dSPeter Dunlap 166a6d42e7dSPeter Dunlap static kv_status_t 167a6d42e7dSPeter Dunlap iscsit_reply_numerical(iscsit_conn_t *ict, 168a6d42e7dSPeter Dunlap const char *nvp_name, const uint64_t value); 169a6d42e7dSPeter Dunlap 170a6d42e7dSPeter Dunlap static kv_status_t 171a6d42e7dSPeter Dunlap iscsit_reply_string(iscsit_conn_t *ict, 172a6d42e7dSPeter Dunlap const char *nvp_name, const char *text); 173a6d42e7dSPeter Dunlap 174a6d42e7dSPeter Dunlap static kv_status_t 175a6d42e7dSPeter Dunlap iscsit_handle_digest(iscsit_conn_t *ict, nvpair_t *choices, 176a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx); 177a6d42e7dSPeter Dunlap 178a6d42e7dSPeter Dunlap static kv_status_t 179a6d42e7dSPeter Dunlap iscsit_handle_boolean(iscsit_conn_t *ict, nvpair_t *nvp, boolean_t value, 180a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx, boolean_t iscsit_value); 181a6d42e7dSPeter Dunlap 182a6d42e7dSPeter Dunlap static kv_status_t 183a6d42e7dSPeter Dunlap iscsit_handle_numerical(iscsit_conn_t *ict, nvpair_t *nvp, uint64_t value, 184a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx, 185a6d42e7dSPeter Dunlap uint64_t iscsi_min_value, uint64_t iscsi_max_value, 186a6d42e7dSPeter Dunlap uint64_t iscsit_max_value); 187a6d42e7dSPeter Dunlap 188a6d42e7dSPeter Dunlap static void 189a6d42e7dSPeter Dunlap iscsit_process_negotiated_values(iscsit_conn_t *ict); 190a6d42e7dSPeter Dunlap 191a6d42e7dSPeter Dunlap static void 192a6d42e7dSPeter Dunlap login_resp_complete_cb(idm_pdu_t *pdu, idm_status_t status); 193a6d42e7dSPeter Dunlap 19456261083SCharles Ting static idm_status_t 19556261083SCharles Ting iscsit_add_declarative_keys(iscsit_conn_t *ict); 19656261083SCharles Ting 19756261083SCharles Ting uint64_t max_dataseglen_target = ISCSIT_MAX_RECV_DATA_SEGMENT_LENGTH; 19856261083SCharles Ting 1993fc1e17eSPriya Krishnan /* 2003fc1e17eSPriya Krishnan * global mutex defined in iscsit.c to enforce 2013fc1e17eSPriya Krishnan * login_sm_session_bind as a critical section 2023fc1e17eSPriya Krishnan */ 2033fc1e17eSPriya Krishnan extern kmutex_t login_sm_session_mutex; 2043fc1e17eSPriya Krishnan 205a6d42e7dSPeter Dunlap idm_status_t 206a6d42e7dSPeter Dunlap iscsit_login_sm_init(iscsit_conn_t *ict) 207a6d42e7dSPeter Dunlap { 208a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 209a6d42e7dSPeter Dunlap 210a6d42e7dSPeter Dunlap bzero(lsm, sizeof (iscsit_conn_login_t)); 211a6d42e7dSPeter Dunlap 212a6d42e7dSPeter Dunlap (void) nvlist_alloc(&lsm->icl_negotiated_values, NV_UNIQUE_NAME, 213a6d42e7dSPeter Dunlap KM_SLEEP); 214a6d42e7dSPeter Dunlap 215a6d42e7dSPeter Dunlap /* 216a6d42e7dSPeter Dunlap * Hold connection until the login state machine completes 217a6d42e7dSPeter Dunlap */ 218a6d42e7dSPeter Dunlap iscsit_conn_hold(ict); 219a6d42e7dSPeter Dunlap 220a6d42e7dSPeter Dunlap /* 221a6d42e7dSPeter Dunlap * Pre-allocating a login response PDU means we will always be 222a6d42e7dSPeter Dunlap * able to respond to a login request -- even if we can't allocate 223a6d42e7dSPeter Dunlap * a data buffer to hold the text responses we can at least send 224a6d42e7dSPeter Dunlap * a login failure. 225a6d42e7dSPeter Dunlap */ 226a6d42e7dSPeter Dunlap lsm->icl_login_resp_tmpl = kmem_zalloc(sizeof (iscsi_login_rsp_hdr_t), 227a6d42e7dSPeter Dunlap KM_SLEEP); 228a6d42e7dSPeter Dunlap 229a6d42e7dSPeter Dunlap idm_sm_audit_init(&lsm->icl_state_audit); 230a6d42e7dSPeter Dunlap mutex_init(&lsm->icl_mutex, NULL, MUTEX_DEFAULT, NULL); 231a6d42e7dSPeter Dunlap list_create(&lsm->icl_login_events, sizeof (login_event_ctx_t), 232a6d42e7dSPeter Dunlap offsetof(login_event_ctx_t, le_ctx_node)); 233a6d42e7dSPeter Dunlap list_create(&lsm->icl_pdu_list, sizeof (idm_pdu_t), 234a6d42e7dSPeter Dunlap offsetof(idm_pdu_t, isp_client_lnd)); 235a6d42e7dSPeter Dunlap 236a6d42e7dSPeter Dunlap lsm->icl_login_state = ILS_LOGIN_INIT; 237a6d42e7dSPeter Dunlap lsm->icl_login_last_state = ILS_LOGIN_INIT; 238a6d42e7dSPeter Dunlap 239a6d42e7dSPeter Dunlap /* 240a6d42e7dSPeter Dunlap * Initialize operational parameters to default values. Anything 241a6d42e7dSPeter Dunlap * we don't specifically negotiate stays at the default. 242a6d42e7dSPeter Dunlap */ 243a6d42e7dSPeter Dunlap ict->ict_op.op_discovery_session = B_FALSE; 244a6d42e7dSPeter Dunlap ict->ict_op.op_initial_r2t = ISCSI_DEFAULT_INITIALR2T; 245a6d42e7dSPeter Dunlap ict->ict_op.op_immed_data = ISCSI_DEFAULT_IMMEDIATE_DATA; 246a6d42e7dSPeter Dunlap ict->ict_op.op_data_pdu_in_order = ISCSI_DEFAULT_DATA_PDU_IN_ORDER; 247a6d42e7dSPeter Dunlap ict->ict_op.op_data_sequence_in_order = 248a6d42e7dSPeter Dunlap ISCSI_DEFAULT_DATA_SEQUENCE_IN_ORDER; 249a6d42e7dSPeter Dunlap ict->ict_op.op_max_connections = ISCSI_DEFAULT_MAX_CONNECTIONS; 250a6d42e7dSPeter Dunlap ict->ict_op.op_max_recv_data_segment_length = 251a6d42e7dSPeter Dunlap ISCSI_DEFAULT_MAX_RECV_SEG_LEN; 252a6d42e7dSPeter Dunlap ict->ict_op.op_max_burst_length = ISCSI_DEFAULT_MAX_BURST_LENGTH; 253a6d42e7dSPeter Dunlap ict->ict_op.op_first_burst_length = ISCSI_DEFAULT_FIRST_BURST_LENGTH; 254a6d42e7dSPeter Dunlap ict->ict_op.op_default_time_2_wait = ISCSI_DEFAULT_TIME_TO_WAIT; 255a6d42e7dSPeter Dunlap ict->ict_op.op_default_time_2_retain = ISCSI_DEFAULT_TIME_TO_RETAIN; 256a6d42e7dSPeter Dunlap ict->ict_op.op_max_outstanding_r2t = ISCSI_DEFAULT_MAX_OUT_R2T; 257a6d42e7dSPeter Dunlap ict->ict_op.op_error_recovery_level = 258a6d42e7dSPeter Dunlap ISCSI_DEFAULT_ERROR_RECOVERY_LEVEL; 259a6d42e7dSPeter Dunlap 260a6d42e7dSPeter Dunlap return (IDM_STATUS_SUCCESS); 261a6d42e7dSPeter Dunlap } 262a6d42e7dSPeter Dunlap 263a6d42e7dSPeter Dunlap static void 264a6d42e7dSPeter Dunlap login_resp_complete_cb(idm_pdu_t *pdu, idm_status_t status) 265a6d42e7dSPeter Dunlap { 266a6d42e7dSPeter Dunlap iscsit_conn_t *ict = pdu->isp_private; 267a6d42e7dSPeter Dunlap 268a6d42e7dSPeter Dunlap /* 2694142b486SJames Moore * Check that this is a login pdu 270a6d42e7dSPeter Dunlap */ 271a6d42e7dSPeter Dunlap ASSERT((pdu->isp_flags & IDM_PDU_LOGIN_TX) != 0); 2724142b486SJames Moore idm_pdu_free(pdu); 273a6d42e7dSPeter Dunlap 274a6d42e7dSPeter Dunlap if ((status != IDM_STATUS_SUCCESS) || 275a6d42e7dSPeter Dunlap (ict->ict_login_sm.icl_login_resp_err_class != 0)) { 2764142b486SJames Moore /* 2774142b486SJames Moore * Transport or login error occurred. 2784142b486SJames Moore */ 279a6d42e7dSPeter Dunlap iscsit_login_sm_event(ict, ILE_LOGIN_ERROR, NULL); 280a6d42e7dSPeter Dunlap } 2814142b486SJames Moore iscsit_conn_rele(ict); 282a6d42e7dSPeter Dunlap } 283a6d42e7dSPeter Dunlap 284a6d42e7dSPeter Dunlap void 285a6d42e7dSPeter Dunlap iscsit_login_sm_fini(iscsit_conn_t *ict) 286a6d42e7dSPeter Dunlap { 287a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 288a6d42e7dSPeter Dunlap 289a6d42e7dSPeter Dunlap mutex_enter(&lsm->icl_mutex); 290a6d42e7dSPeter Dunlap list_destroy(&lsm->icl_pdu_list); 291a6d42e7dSPeter Dunlap list_destroy(&lsm->icl_login_events); 292a6d42e7dSPeter Dunlap 293a6d42e7dSPeter Dunlap kmem_free(lsm->icl_login_resp_tmpl, sizeof (iscsi_login_rsp_hdr_t)); 294a6d42e7dSPeter Dunlap 295a6d42e7dSPeter Dunlap /* clean up the login response idm text buffer */ 296a6d42e7dSPeter Dunlap if (lsm->icl_login_resp_itb != NULL) { 297a6d42e7dSPeter Dunlap idm_itextbuf_free(lsm->icl_login_resp_itb); 298a6d42e7dSPeter Dunlap lsm->icl_login_resp_itb = NULL; 299a6d42e7dSPeter Dunlap } 300a6d42e7dSPeter Dunlap 301a6d42e7dSPeter Dunlap nvlist_free(lsm->icl_negotiated_values); 3024142b486SJames Moore mutex_destroy(&lsm->icl_mutex); 303a6d42e7dSPeter Dunlap } 304a6d42e7dSPeter Dunlap 305a6d42e7dSPeter Dunlap void 306a6d42e7dSPeter Dunlap iscsit_login_sm_event(iscsit_conn_t *ict, iscsit_login_event_t event, 307a6d42e7dSPeter Dunlap idm_pdu_t *pdu) 308a6d42e7dSPeter Dunlap { 309a6d42e7dSPeter Dunlap /* 310a6d42e7dSPeter Dunlap * This is a bit ugly but if we're already in ILS_LOGIN_ERROR 311a6d42e7dSPeter Dunlap * or ILS_LOGIN_DONE then just drop any additional events. They 312a6d42e7dSPeter Dunlap * won't change the state and it's possible we've already called 313a6d42e7dSPeter Dunlap * iscsit_login_sm_fini in which case the mutex is destroyed. 314a6d42e7dSPeter Dunlap */ 315a6d42e7dSPeter Dunlap if ((ict->ict_login_sm.icl_login_state == ILS_LOGIN_ERROR) || 316a6d42e7dSPeter Dunlap (ict->ict_login_sm.icl_login_state == ILS_LOGIN_DONE)) 317a6d42e7dSPeter Dunlap return; 318a6d42e7dSPeter Dunlap 319a6d42e7dSPeter Dunlap mutex_enter(&ict->ict_login_sm.icl_mutex); 320a6d42e7dSPeter Dunlap iscsit_login_sm_event_locked(ict, event, pdu); 321a6d42e7dSPeter Dunlap mutex_exit(&ict->ict_login_sm.icl_mutex); 322a6d42e7dSPeter Dunlap } 323a6d42e7dSPeter Dunlap void 324a6d42e7dSPeter Dunlap iscsit_login_sm_event_locked(iscsit_conn_t *ict, iscsit_login_event_t event, 325a6d42e7dSPeter Dunlap idm_pdu_t *pdu) 326a6d42e7dSPeter Dunlap { 327a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 328a6d42e7dSPeter Dunlap login_event_ctx_t *ctx; 329a6d42e7dSPeter Dunlap 3304142b486SJames Moore ASSERT(mutex_owned(&lsm->icl_mutex)); 331a6d42e7dSPeter Dunlap ctx = kmem_zalloc(sizeof (*ctx), KM_SLEEP); 332a6d42e7dSPeter Dunlap 333a6d42e7dSPeter Dunlap ctx->le_ctx_event = event; 334a6d42e7dSPeter Dunlap ctx->le_pdu = pdu; 335a6d42e7dSPeter Dunlap 336a6d42e7dSPeter Dunlap list_insert_tail(&lsm->icl_login_events, ctx); 337a6d42e7dSPeter Dunlap 338a6d42e7dSPeter Dunlap /* 339a6d42e7dSPeter Dunlap * Use the icl_busy flag to keep the state machine single threaded. 340a6d42e7dSPeter Dunlap * This also serves as recursion avoidance since this flag will 341a6d42e7dSPeter Dunlap * always be set if we call login_sm_event from within the 342a6d42e7dSPeter Dunlap * state machine code. 343a6d42e7dSPeter Dunlap */ 344a6d42e7dSPeter Dunlap if (!lsm->icl_busy) { 345a6d42e7dSPeter Dunlap lsm->icl_busy = B_TRUE; 346a6d42e7dSPeter Dunlap while (!list_is_empty(&lsm->icl_login_events)) { 347a6d42e7dSPeter Dunlap ctx = list_head(&lsm->icl_login_events); 348a6d42e7dSPeter Dunlap list_remove(&lsm->icl_login_events, ctx); 349a6d42e7dSPeter Dunlap idm_sm_audit_event(&lsm->icl_state_audit, 350a6d42e7dSPeter Dunlap SAS_ISCSIT_LOGIN, (int)lsm->icl_login_state, 351a6d42e7dSPeter Dunlap (int)ctx->le_ctx_event, (uintptr_t)pdu); 352a6d42e7dSPeter Dunlap 35330e7468fSPeter Dunlap /* 35430e7468fSPeter Dunlap * If the lsm is in a terminal state, just drain 35530e7468fSPeter Dunlap * any remaining events. 35630e7468fSPeter Dunlap */ 35730e7468fSPeter Dunlap if ((lsm->icl_login_state == ILS_LOGIN_ERROR) || 35830e7468fSPeter Dunlap (lsm->icl_login_state == ILS_LOGIN_DONE)) { 35930e7468fSPeter Dunlap kmem_free(ctx, sizeof (*ctx)); 36030e7468fSPeter Dunlap continue; 36130e7468fSPeter Dunlap } 362a6d42e7dSPeter Dunlap mutex_exit(&lsm->icl_mutex); 363a6d42e7dSPeter Dunlap login_sm_event_dispatch(lsm, ict, ctx); 364a6d42e7dSPeter Dunlap mutex_enter(&lsm->icl_mutex); 365a6d42e7dSPeter Dunlap } 366a6d42e7dSPeter Dunlap lsm->icl_busy = B_FALSE; 367a6d42e7dSPeter Dunlap 368a6d42e7dSPeter Dunlap /* 369a6d42e7dSPeter Dunlap * When the state machine reaches ILS_LOGIN_DONE or 370a6d42e7dSPeter Dunlap * ILS_LOGIN_ERROR state the login process has completed 371a6d42e7dSPeter Dunlap * and it's time to cleanup. The state machine code will 372a6d42e7dSPeter Dunlap * mark itself "complete" when this happens. 373a6d42e7dSPeter Dunlap * 374a6d42e7dSPeter Dunlap * To protect against spurious events (which shouldn't 375a6d42e7dSPeter Dunlap * happen) set icl_busy again. 376a6d42e7dSPeter Dunlap */ 377a6d42e7dSPeter Dunlap if (lsm->icl_login_complete) { 378a6d42e7dSPeter Dunlap lsm->icl_busy = B_TRUE; 379a6d42e7dSPeter Dunlap if (taskq_dispatch(iscsit_global.global_dispatch_taskq, 380a6d42e7dSPeter Dunlap login_sm_complete, ict, DDI_SLEEP) == NULL) { 381a6d42e7dSPeter Dunlap cmn_err(CE_WARN, "iscsit_login_sm_event_locked:" 382a6d42e7dSPeter Dunlap " Failed to dispatch task"); 383a6d42e7dSPeter Dunlap } 384a6d42e7dSPeter Dunlap } 385a6d42e7dSPeter Dunlap } 386a6d42e7dSPeter Dunlap } 387a6d42e7dSPeter Dunlap 388a6d42e7dSPeter Dunlap static void 389a6d42e7dSPeter Dunlap login_sm_complete(void *ict_void) 390a6d42e7dSPeter Dunlap { 391a6d42e7dSPeter Dunlap iscsit_conn_t *ict = ict_void; 392a6d42e7dSPeter Dunlap 393a6d42e7dSPeter Dunlap /* 3944142b486SJames Moore * State machine has run to completion, resources 3954142b486SJames Moore * will be cleaned up when connection is destroyed. 396a6d42e7dSPeter Dunlap */ 3974142b486SJames Moore iscsit_conn_rele(ict); 398a6d42e7dSPeter Dunlap } 399a6d42e7dSPeter Dunlap 400a6d42e7dSPeter Dunlap static void 401a6d42e7dSPeter Dunlap login_sm_event_dispatch(iscsit_conn_login_t *lsm, iscsit_conn_t *ict, 402a6d42e7dSPeter Dunlap login_event_ctx_t *ctx) 403a6d42e7dSPeter Dunlap { 404a6d42e7dSPeter Dunlap idm_pdu_t *pdu = ctx->le_pdu; /* Only valid for some events */ 405a6d42e7dSPeter Dunlap 406a6d42e7dSPeter Dunlap DTRACE_PROBE2(login__event, iscsit_conn_t *, ict, 407a6d42e7dSPeter Dunlap login_event_ctx_t *, ctx); 408a6d42e7dSPeter Dunlap 409a6d42e7dSPeter Dunlap IDM_SM_LOG(CE_NOTE, "login_sm_event_dispatch: ict %p event %s(%d)", 410a6d42e7dSPeter Dunlap (void *)ict, 411a6d42e7dSPeter Dunlap iscsit_ile_name[ctx->le_ctx_event], ctx->le_ctx_event); 412a6d42e7dSPeter Dunlap 413a6d42e7dSPeter Dunlap /* State independent actions */ 414a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 415a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 416a6d42e7dSPeter Dunlap /* Perform basic sanity checks on the header */ 417a6d42e7dSPeter Dunlap if (login_sm_req_pdu_check(ict, pdu) != IDM_STATUS_SUCCESS) { 4184142b486SJames Moore idm_pdu_t *rpdu; 4194142b486SJames Moore 420a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_INITIATOR_ERR, 421a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_INVALID_REQUEST); 422a6d42e7dSPeter Dunlap /* 423a6d42e7dSPeter Dunlap * If we haven't processed any PDU's yet then use 424a6d42e7dSPeter Dunlap * this one as a template for the response 425a6d42e7dSPeter Dunlap */ 426a6d42e7dSPeter Dunlap if (ict->ict_login_sm.icl_login_resp_tmpl->opcode == 0) 427a6d42e7dSPeter Dunlap login_sm_handle_initial_login(ict, pdu); 4284142b486SJames Moore rpdu = login_sm_build_login_response(ict); 4294142b486SJames Moore login_sm_send_next_response(ict, rpdu); 430a6d42e7dSPeter Dunlap idm_pdu_complete(pdu, IDM_STATUS_SUCCESS); 43130e7468fSPeter Dunlap kmem_free(ctx, sizeof (*ctx)); 432a6d42e7dSPeter Dunlap return; 433a6d42e7dSPeter Dunlap } 434a6d42e7dSPeter Dunlap break; 435a6d42e7dSPeter Dunlap default: 436a6d42e7dSPeter Dunlap break; 437a6d42e7dSPeter Dunlap } 438a6d42e7dSPeter Dunlap 439a6d42e7dSPeter Dunlap /* State dependent actions */ 440a6d42e7dSPeter Dunlap switch (lsm->icl_login_state) { 441a6d42e7dSPeter Dunlap case ILS_LOGIN_INIT: 442a6d42e7dSPeter Dunlap login_sm_init(ict, ctx); 443a6d42e7dSPeter Dunlap break; 444a6d42e7dSPeter Dunlap case ILS_LOGIN_WAITING: 445a6d42e7dSPeter Dunlap login_sm_waiting(ict, ctx); 446a6d42e7dSPeter Dunlap break; 447a6d42e7dSPeter Dunlap case ILS_LOGIN_PROCESSING: 448a6d42e7dSPeter Dunlap login_sm_processing(ict, ctx); 449a6d42e7dSPeter Dunlap break; 450a6d42e7dSPeter Dunlap case ILS_LOGIN_RESPONDING: 451a6d42e7dSPeter Dunlap login_sm_responding(ict, ctx); 452a6d42e7dSPeter Dunlap break; 453a6d42e7dSPeter Dunlap case ILS_LOGIN_RESPONDED: 454a6d42e7dSPeter Dunlap login_sm_responded(ict, ctx); 455a6d42e7dSPeter Dunlap break; 456a6d42e7dSPeter Dunlap case ILS_LOGIN_FFP: 457a6d42e7dSPeter Dunlap login_sm_ffp(ict, ctx); 458a6d42e7dSPeter Dunlap break; 459a6d42e7dSPeter Dunlap case ILS_LOGIN_DONE: 460a6d42e7dSPeter Dunlap login_sm_done(ict, ctx); 461a6d42e7dSPeter Dunlap break; 462a6d42e7dSPeter Dunlap case ILS_LOGIN_ERROR: 463a6d42e7dSPeter Dunlap login_sm_error(ict, ctx); 464a6d42e7dSPeter Dunlap break; 465a6d42e7dSPeter Dunlap } 466a6d42e7dSPeter Dunlap 467a6d42e7dSPeter Dunlap kmem_free(ctx, sizeof (*ctx)); 468a6d42e7dSPeter Dunlap } 469a6d42e7dSPeter Dunlap 470a6d42e7dSPeter Dunlap static void 471a6d42e7dSPeter Dunlap login_sm_init(iscsit_conn_t *ict, login_event_ctx_t *ctx) 472a6d42e7dSPeter Dunlap { 473a6d42e7dSPeter Dunlap idm_pdu_t *pdu; 474a6d42e7dSPeter Dunlap 475a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 476a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 477a6d42e7dSPeter Dunlap pdu = ctx->le_pdu; 478a6d42e7dSPeter Dunlap 479a6d42e7dSPeter Dunlap /* 480a6d42e7dSPeter Dunlap * This is the first login PDU we've received so use 481a6d42e7dSPeter Dunlap * it to build the login response template and set our CSG. 482a6d42e7dSPeter Dunlap */ 483a6d42e7dSPeter Dunlap login_sm_handle_initial_login(ict, pdu); 484a6d42e7dSPeter Dunlap 485a6d42e7dSPeter Dunlap /* 486a6d42e7dSPeter Dunlap * Accumulate all the login PDU's that make up this 487a6d42e7dSPeter Dunlap * request on a queue. 488a6d42e7dSPeter Dunlap */ 489a6d42e7dSPeter Dunlap mutex_enter(&ict->ict_login_sm.icl_mutex); 490a6d42e7dSPeter Dunlap list_insert_tail(&ict->ict_login_sm.icl_pdu_list, pdu); 491a6d42e7dSPeter Dunlap mutex_exit(&ict->ict_login_sm.icl_mutex); 492a6d42e7dSPeter Dunlap 493a6d42e7dSPeter Dunlap if (pdu->isp_hdr->flags & ISCSI_FLAG_LOGIN_CONTINUE) { 494a6d42e7dSPeter Dunlap login_sm_send_ack(ict, pdu); 495a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_WAITING); 496a6d42e7dSPeter Dunlap } else { 497a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_PROCESSING); 498a6d42e7dSPeter Dunlap } 499a6d42e7dSPeter Dunlap break; 500a6d42e7dSPeter Dunlap case ILE_LOGIN_CONN_ERROR: 501a6d42e7dSPeter Dunlap case ILE_LOGIN_ERROR: 502a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_ERROR); 503a6d42e7dSPeter Dunlap break; 504a6d42e7dSPeter Dunlap default: 505a6d42e7dSPeter Dunlap ASSERT(0); 506a6d42e7dSPeter Dunlap } 507a6d42e7dSPeter Dunlap } 508a6d42e7dSPeter Dunlap 509a6d42e7dSPeter Dunlap static void 510a6d42e7dSPeter Dunlap login_sm_waiting(iscsit_conn_t *ict, login_event_ctx_t *ctx) 511a6d42e7dSPeter Dunlap { 512a6d42e7dSPeter Dunlap idm_pdu_t *pdu; 513a6d42e7dSPeter Dunlap 514a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 515a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 516a6d42e7dSPeter Dunlap pdu = ctx->le_pdu; 517a6d42e7dSPeter Dunlap mutex_enter(&ict->ict_login_sm.icl_mutex); 518a6d42e7dSPeter Dunlap list_insert_tail(&ict->ict_login_sm.icl_pdu_list, pdu); 519a6d42e7dSPeter Dunlap mutex_exit(&ict->ict_login_sm.icl_mutex); 520a6d42e7dSPeter Dunlap if (!(pdu->isp_hdr->flags & ISCSI_FLAG_LOGIN_CONTINUE)) { 521a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_PROCESSING); 522a6d42e7dSPeter Dunlap } else { 523a6d42e7dSPeter Dunlap login_sm_send_ack(ict, pdu); 524a6d42e7dSPeter Dunlap } 525a6d42e7dSPeter Dunlap break; 526a6d42e7dSPeter Dunlap case ILE_LOGIN_ERROR: 527a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_ERROR); 528a6d42e7dSPeter Dunlap break; 529a6d42e7dSPeter Dunlap case ILE_LOGIN_RESP_COMPLETE: 530a6d42e7dSPeter Dunlap break; 531a6d42e7dSPeter Dunlap default: 532a6d42e7dSPeter Dunlap ASSERT(0); 533a6d42e7dSPeter Dunlap } 534a6d42e7dSPeter Dunlap } 535a6d42e7dSPeter Dunlap 536a6d42e7dSPeter Dunlap static void 537a6d42e7dSPeter Dunlap login_sm_processing(iscsit_conn_t *ict, login_event_ctx_t *ctx) 538a6d42e7dSPeter Dunlap { 539a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 540a6d42e7dSPeter Dunlap case ILE_LOGIN_RESP_READY: 541a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_RESPONDING); 542a6d42e7dSPeter Dunlap break; 543a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 544a6d42e7dSPeter Dunlap idm_pdu_complete(ctx->le_pdu, IDM_STATUS_SUCCESS); 545a6d42e7dSPeter Dunlap /*FALLTHROUGH*/ 546a6d42e7dSPeter Dunlap case ILE_LOGIN_CONN_ERROR: 547a6d42e7dSPeter Dunlap case ILE_LOGIN_ERROR: 548a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_ERROR); 549a6d42e7dSPeter Dunlap break; 550a6d42e7dSPeter Dunlap default: 551a6d42e7dSPeter Dunlap ASSERT(0); 552a6d42e7dSPeter Dunlap } 553a6d42e7dSPeter Dunlap } 554a6d42e7dSPeter Dunlap 555a6d42e7dSPeter Dunlap static void 556a6d42e7dSPeter Dunlap login_sm_responding(iscsit_conn_t *ict, login_event_ctx_t *ctx) 557a6d42e7dSPeter Dunlap { 5584142b486SJames Moore idm_pdu_t *pdu, *rpdu; 559a6d42e7dSPeter Dunlap 560a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 561a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 562a6d42e7dSPeter Dunlap pdu = ctx->le_pdu; 563a6d42e7dSPeter Dunlap /* 564a6d42e7dSPeter Dunlap * We should only be in "responding" state if we have not 565a6d42e7dSPeter Dunlap * sent the last PDU of a multi-PDU login response sequence. 566a6d42e7dSPeter Dunlap * In that case we expect this received PDU to be an 567a6d42e7dSPeter Dunlap * acknowledgement from the initiator (login PDU with C 568a6d42e7dSPeter Dunlap * bit cleared and no data). If it's the acknowledgement 569a6d42e7dSPeter Dunlap * we are expecting then we send the next PDU in the login 570a6d42e7dSPeter Dunlap * response sequence. Otherwise it's a protocol error and 571a6d42e7dSPeter Dunlap * the login fails. 572a6d42e7dSPeter Dunlap */ 573a6d42e7dSPeter Dunlap if (login_sm_validate_ack(ict, pdu) == IDM_STATUS_SUCCESS) { 5744142b486SJames Moore rpdu = login_sm_build_login_response(ict); 5754142b486SJames Moore login_sm_send_next_response(ict, rpdu); 576a6d42e7dSPeter Dunlap } else { 577a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_ERROR); 578a6d42e7dSPeter Dunlap } 579a6d42e7dSPeter Dunlap idm_pdu_complete(pdu, IDM_STATUS_SUCCESS); 580a6d42e7dSPeter Dunlap break; 581a6d42e7dSPeter Dunlap case ILE_LOGIN_FFP: 582a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_FFP); 583a6d42e7dSPeter Dunlap break; 584a6d42e7dSPeter Dunlap case ILE_LOGIN_RESP_COMPLETE: 585a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_RESPONDED); 586a6d42e7dSPeter Dunlap break; 587a6d42e7dSPeter Dunlap case ILE_LOGIN_CONN_ERROR: 588a6d42e7dSPeter Dunlap case ILE_LOGIN_ERROR: 589a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_ERROR); 590a6d42e7dSPeter Dunlap break; 591a6d42e7dSPeter Dunlap default: 592a6d42e7dSPeter Dunlap ASSERT(0); 593a6d42e7dSPeter Dunlap } 594a6d42e7dSPeter Dunlap } 595a6d42e7dSPeter Dunlap 596a6d42e7dSPeter Dunlap static void 597a6d42e7dSPeter Dunlap login_sm_responded(iscsit_conn_t *ict, login_event_ctx_t *ctx) 598a6d42e7dSPeter Dunlap { 599a6d42e7dSPeter Dunlap idm_pdu_t *pdu; 600a6d42e7dSPeter Dunlap iscsi_login_hdr_t *lh; 601a6d42e7dSPeter Dunlap 602a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 603a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 604a6d42e7dSPeter Dunlap pdu = ctx->le_pdu; 605a6d42e7dSPeter Dunlap lh = (iscsi_login_hdr_t *)pdu->isp_hdr; 606a6d42e7dSPeter Dunlap /* 607a6d42e7dSPeter Dunlap * Set the CSG, NSG and Transit bits based on the this PDU. 608a6d42e7dSPeter Dunlap * The CSG already validated in login_sm_req_pdu_check(). 609a6d42e7dSPeter Dunlap * We'll clear the transit bit if we encounter any login 610a6d42e7dSPeter Dunlap * parameters in the request that required an additional 611a6d42e7dSPeter Dunlap * login transfer (i.e. no acceptable 612a6d42e7dSPeter Dunlap * choices in range or we needed to change a boolean 613a6d42e7dSPeter Dunlap * value from "Yes" to "No"). 614a6d42e7dSPeter Dunlap */ 615a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_login_csg = 616a6d42e7dSPeter Dunlap ISCSI_LOGIN_CURRENT_STAGE(lh->flags); 617a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_login_nsg = 618a6d42e7dSPeter Dunlap ISCSI_LOGIN_NEXT_STAGE(lh->flags); 619a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_login_transit = 620a6d42e7dSPeter Dunlap lh->flags & ISCSI_FLAG_LOGIN_TRANSIT; 621a6d42e7dSPeter Dunlap mutex_enter(&ict->ict_login_sm.icl_mutex); 622a6d42e7dSPeter Dunlap list_insert_tail(&ict->ict_login_sm.icl_pdu_list, pdu); 623a6d42e7dSPeter Dunlap mutex_exit(&ict->ict_login_sm.icl_mutex); 624a6d42e7dSPeter Dunlap if (pdu->isp_hdr->flags & ISCSI_FLAG_LOGIN_CONTINUE) { 625a6d42e7dSPeter Dunlap login_sm_send_ack(ict, pdu); 626a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_WAITING); 627a6d42e7dSPeter Dunlap } else { 628a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_PROCESSING); 629a6d42e7dSPeter Dunlap } 630a6d42e7dSPeter Dunlap break; 631a6d42e7dSPeter Dunlap case ILE_LOGIN_CONN_ERROR: 632a6d42e7dSPeter Dunlap case ILE_LOGIN_ERROR: 633a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_ERROR); 634a6d42e7dSPeter Dunlap break; 635a6d42e7dSPeter Dunlap default: 636a6d42e7dSPeter Dunlap ASSERT(0); 637a6d42e7dSPeter Dunlap } 638a6d42e7dSPeter Dunlap } 639a6d42e7dSPeter Dunlap 640a6d42e7dSPeter Dunlap static void 641a6d42e7dSPeter Dunlap login_sm_ffp(iscsit_conn_t *ict, login_event_ctx_t *ctx) 642a6d42e7dSPeter Dunlap { 643a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 644a6d42e7dSPeter Dunlap case ILE_LOGIN_RESP_COMPLETE: 645a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_DONE); 646a6d42e7dSPeter Dunlap break; 647a6d42e7dSPeter Dunlap case ILE_LOGIN_CONN_ERROR: 648a6d42e7dSPeter Dunlap case ILE_LOGIN_ERROR: 649a6d42e7dSPeter Dunlap login_sm_new_state(ict, ctx, ILS_LOGIN_ERROR); 650a6d42e7dSPeter Dunlap break; 651a6d42e7dSPeter Dunlap default: 652a6d42e7dSPeter Dunlap ASSERT(0); 653a6d42e7dSPeter Dunlap } 654a6d42e7dSPeter Dunlap 655a6d42e7dSPeter Dunlap } 656a6d42e7dSPeter Dunlap 657a6d42e7dSPeter Dunlap /*ARGSUSED*/ 658a6d42e7dSPeter Dunlap static void 659a6d42e7dSPeter Dunlap login_sm_done(iscsit_conn_t *ict, login_event_ctx_t *ctx) 660a6d42e7dSPeter Dunlap { 661a6d42e7dSPeter Dunlap /* Terminal state, we should get no events */ 662a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 663a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 664a6d42e7dSPeter Dunlap /* 665a6d42e7dSPeter Dunlap * We've already processed everything we're going to 666a6d42e7dSPeter Dunlap * process. Drop any additional login PDU's. 667a6d42e7dSPeter Dunlap */ 668a6d42e7dSPeter Dunlap idm_pdu_complete(ctx->le_pdu, IDM_STATUS_SUCCESS); 669a6d42e7dSPeter Dunlap break; 670a6d42e7dSPeter Dunlap case ILE_LOGIN_CONN_ERROR: 671a6d42e7dSPeter Dunlap /* Don't care */ 672a6d42e7dSPeter Dunlap break; 673a6d42e7dSPeter Dunlap default: 674a6d42e7dSPeter Dunlap ASSERT(0); 675a6d42e7dSPeter Dunlap } 676a6d42e7dSPeter Dunlap } 677a6d42e7dSPeter Dunlap 678a6d42e7dSPeter Dunlap /*ARGSUSED*/ 679a6d42e7dSPeter Dunlap static void 680a6d42e7dSPeter Dunlap login_sm_error(iscsit_conn_t *ict, login_event_ctx_t *ctx) 681a6d42e7dSPeter Dunlap { 682a6d42e7dSPeter Dunlap switch (ctx->le_ctx_event) { 683a6d42e7dSPeter Dunlap case ILE_LOGIN_RCV: 684a6d42e7dSPeter Dunlap /* 685a6d42e7dSPeter Dunlap * We've already processed everything we're going to 686a6d42e7dSPeter Dunlap * process. Drop any additional login PDU's. 687a6d42e7dSPeter Dunlap */ 688a6d42e7dSPeter Dunlap idm_pdu_complete(ctx->le_pdu, IDM_STATUS_SUCCESS); 689a6d42e7dSPeter Dunlap break; 690a6d42e7dSPeter Dunlap case ILE_LOGIN_CONN_ERROR: 691a6d42e7dSPeter Dunlap /* Don't care */ 692a6d42e7dSPeter Dunlap break; 693a6d42e7dSPeter Dunlap default: 694a6d42e7dSPeter Dunlap ASSERT(0); 695a6d42e7dSPeter Dunlap } 696a6d42e7dSPeter Dunlap } 697a6d42e7dSPeter Dunlap 698a6d42e7dSPeter Dunlap static void 699a6d42e7dSPeter Dunlap login_sm_new_state(iscsit_conn_t *ict, login_event_ctx_t *ctx, 700a6d42e7dSPeter Dunlap iscsit_login_state_t new_state) 701a6d42e7dSPeter Dunlap { 702a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 7034142b486SJames Moore idm_pdu_t *rpdu; 704a6d42e7dSPeter Dunlap 705a6d42e7dSPeter Dunlap /* 706a6d42e7dSPeter Dunlap * Validate new state 707a6d42e7dSPeter Dunlap */ 708a6d42e7dSPeter Dunlap ASSERT(new_state != ILS_UNDEFINED); 709a6d42e7dSPeter Dunlap ASSERT3U(new_state, <, ILS_MAX_STATE); 710a6d42e7dSPeter Dunlap 711a6d42e7dSPeter Dunlap new_state = (new_state < ILS_MAX_STATE) ? 712a6d42e7dSPeter Dunlap new_state : ILS_UNDEFINED; 713a6d42e7dSPeter Dunlap 714a6d42e7dSPeter Dunlap IDM_SM_LOG(CE_NOTE, "login_sm_new_state: conn %p " 715a6d42e7dSPeter Dunlap "%s (%d) --> %s (%d)\n", (void *)ict->ict_ic, 716a6d42e7dSPeter Dunlap iscsit_ils_name[lsm->icl_login_state], lsm->icl_login_state, 717a6d42e7dSPeter Dunlap iscsit_ils_name[new_state], new_state); 718a6d42e7dSPeter Dunlap 719a6d42e7dSPeter Dunlap DTRACE_PROBE3(login__state__change, 720a6d42e7dSPeter Dunlap iscsit_conn_t *, ict, login_event_ctx_t *, ctx, 721a6d42e7dSPeter Dunlap iscsit_login_state_t, new_state); 722a6d42e7dSPeter Dunlap 723a6d42e7dSPeter Dunlap mutex_enter(&lsm->icl_mutex); 724a6d42e7dSPeter Dunlap idm_sm_audit_state_change(&lsm->icl_state_audit, SAS_ISCSIT_LOGIN, 725a6d42e7dSPeter Dunlap (int)lsm->icl_login_state, (int)new_state); 726a6d42e7dSPeter Dunlap lsm->icl_login_last_state = lsm->icl_login_state; 727a6d42e7dSPeter Dunlap lsm->icl_login_state = new_state; 728a6d42e7dSPeter Dunlap mutex_exit(&lsm->icl_mutex); 729a6d42e7dSPeter Dunlap 730a6d42e7dSPeter Dunlap switch (lsm->icl_login_state) { 731a6d42e7dSPeter Dunlap case ILS_LOGIN_WAITING: 732a6d42e7dSPeter Dunlap /* Do nothing, waiting for more login PDU's */ 733a6d42e7dSPeter Dunlap break; 734a6d42e7dSPeter Dunlap case ILS_LOGIN_PROCESSING: 735a6d42e7dSPeter Dunlap /* All login PDU's received, process login request */ 736a6d42e7dSPeter Dunlap login_sm_process_request(ict); 737a6d42e7dSPeter Dunlap break; 738a6d42e7dSPeter Dunlap case ILS_LOGIN_RESPONDING: 7394142b486SJames Moore rpdu = login_sm_build_login_response(ict); 7404142b486SJames Moore login_sm_send_next_response(ict, rpdu); 741a6d42e7dSPeter Dunlap break; 742a6d42e7dSPeter Dunlap case ILS_LOGIN_RESPONDED: 743a6d42e7dSPeter Dunlap /* clean up the login response idm text buffer */ 744a6d42e7dSPeter Dunlap if (lsm->icl_login_resp_itb != NULL) { 745a6d42e7dSPeter Dunlap idm_itextbuf_free(lsm->icl_login_resp_itb); 746a6d42e7dSPeter Dunlap lsm->icl_login_resp_itb = NULL; 747a6d42e7dSPeter Dunlap } 748a6d42e7dSPeter Dunlap break; 749a6d42e7dSPeter Dunlap case ILS_LOGIN_FFP: 750a6d42e7dSPeter Dunlap login_sm_ffp_actions(ict); 751a6d42e7dSPeter Dunlap break; 752a6d42e7dSPeter Dunlap case ILS_LOGIN_DONE: 753a6d42e7dSPeter Dunlap case ILS_LOGIN_ERROR: 7544142b486SJames Moore /* 7554142b486SJames Moore * Flag the terminal state for the dispatcher 7564142b486SJames Moore */ 757a6d42e7dSPeter Dunlap lsm->icl_login_complete = B_TRUE; 758a6d42e7dSPeter Dunlap break; 759a6d42e7dSPeter Dunlap case ILS_LOGIN_INIT: /* Initial state, can't return */ 760a6d42e7dSPeter Dunlap default: 761a6d42e7dSPeter Dunlap ASSERT(0); 762a6d42e7dSPeter Dunlap /*NOTREACHED*/ 763a6d42e7dSPeter Dunlap } 764a6d42e7dSPeter Dunlap } 765a6d42e7dSPeter Dunlap 766a6d42e7dSPeter Dunlap /*ARGSUSED*/ 767a6d42e7dSPeter Dunlap static void 768a6d42e7dSPeter Dunlap login_sm_send_ack(iscsit_conn_t *ict, idm_pdu_t *pdu) 769a6d42e7dSPeter Dunlap { 770a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 7714142b486SJames Moore idm_pdu_t *lack; 772a6d42e7dSPeter Dunlap 7734142b486SJames Moore /* 7744142b486SJames Moore * allocate the response pdu 7754142b486SJames Moore */ 7764142b486SJames Moore lack = idm_pdu_alloc(sizeof (iscsi_hdr_t), 0); 7774142b486SJames Moore idm_pdu_init(lack, ict->ict_ic, ict, login_resp_complete_cb); 7784142b486SJames Moore lack->isp_flags |= IDM_PDU_LOGIN_TX; 7794142b486SJames Moore 7804142b486SJames Moore /* 7814142b486SJames Moore * copy the response template into the response pdu 7824142b486SJames Moore */ 7834142b486SJames Moore bcopy(lsm->icl_login_resp_tmpl, lack->isp_hdr, sizeof (iscsi_hdr_t)); 7844142b486SJames Moore 7854142b486SJames Moore iscsit_conn_hold(ict); 7864142b486SJames Moore idm_pdu_tx(lack); 787a6d42e7dSPeter Dunlap } 788a6d42e7dSPeter Dunlap 789a6d42e7dSPeter Dunlap /*ARGSUSED*/ 790a6d42e7dSPeter Dunlap static idm_status_t 791a6d42e7dSPeter Dunlap login_sm_validate_ack(iscsit_conn_t *ict, idm_pdu_t *pdu) 792a6d42e7dSPeter Dunlap { 793a6d42e7dSPeter Dunlap iscsi_hdr_t *ihp = pdu->isp_hdr; 794a6d42e7dSPeter Dunlap if (ihp->flags & ISCSI_FLAG_TEXT_CONTINUE) { 795a6d42e7dSPeter Dunlap return (IDM_STATUS_FAIL); 796a6d42e7dSPeter Dunlap } 797a6d42e7dSPeter Dunlap if (ntoh24(ihp->dlength) != 0) { 798a6d42e7dSPeter Dunlap return (IDM_STATUS_FAIL); 799a6d42e7dSPeter Dunlap } 800a6d42e7dSPeter Dunlap return (IDM_STATUS_SUCCESS); 801a6d42e7dSPeter Dunlap } 802a6d42e7dSPeter Dunlap 803a6d42e7dSPeter Dunlap static boolean_t 8044142b486SJames Moore login_sm_is_last_response(idm_pdu_t *pdu) 805a6d42e7dSPeter Dunlap { 806a6d42e7dSPeter Dunlap 8074142b486SJames Moore if (pdu->isp_hdr->flags & ISCSI_FLAG_LOGIN_CONTINUE) { 808a6d42e7dSPeter Dunlap return (B_FALSE); 809a6d42e7dSPeter Dunlap } 810a6d42e7dSPeter Dunlap return (B_TRUE); 811a6d42e7dSPeter Dunlap } 812a6d42e7dSPeter Dunlap 813a6d42e7dSPeter Dunlap 814a6d42e7dSPeter Dunlap static void 815a6d42e7dSPeter Dunlap login_sm_handle_initial_login(iscsit_conn_t *ict, idm_pdu_t *pdu) 816a6d42e7dSPeter Dunlap { 817a6d42e7dSPeter Dunlap iscsi_login_hdr_t *lh_req = (iscsi_login_hdr_t *)pdu->isp_hdr; 818a6d42e7dSPeter Dunlap iscsi_login_rsp_hdr_t *lh_resp = 819a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_login_resp_tmpl; 820a6d42e7dSPeter Dunlap 821a6d42e7dSPeter Dunlap /* 822a6d42e7dSPeter Dunlap * First login PDU, this connection should not have a sesssion 823a6d42e7dSPeter Dunlap * associated. 824a6d42e7dSPeter Dunlap */ 825a6d42e7dSPeter Dunlap ASSERT(ict->ict_sess == NULL); 826a6d42e7dSPeter Dunlap 827a6d42e7dSPeter Dunlap /* 828a6d42e7dSPeter Dunlap * Save off TSIH and ISID for later use in finding a session 829a6d42e7dSPeter Dunlap */ 830a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_cmdsn = ntohl(lh_req->cmdsn); 831a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_tsih = ntohs(lh_req->tsid); 832a6d42e7dSPeter Dunlap bcopy(lh_req->isid, ict->ict_login_sm.icl_isid, ISCSI_ISID_LEN); 833a6d42e7dSPeter Dunlap 834a6d42e7dSPeter Dunlap /* 835a6d42e7dSPeter Dunlap * We'll need the CID as well 836a6d42e7dSPeter Dunlap */ 837a6d42e7dSPeter Dunlap ict->ict_cid = ntohs(lh_req->cid); 838a6d42e7dSPeter Dunlap 839a6d42e7dSPeter Dunlap /* 840a6d42e7dSPeter Dunlap * Set the CSG, NSG and Transit bits based on the first PDU 841a6d42e7dSPeter Dunlap * in the login sequence. The CSG already validated in 842a6d42e7dSPeter Dunlap * login_sm_req_pdu_check(). We'll clear the transit bit if 843a6d42e7dSPeter Dunlap * we encounter any login parameters in the request that 844a6d42e7dSPeter Dunlap * required an additional login transfer (i.e. no acceptable 845a6d42e7dSPeter Dunlap * choices in range or we needed to change a boolean 846a6d42e7dSPeter Dunlap * value from "Yes" to "No"). 847a6d42e7dSPeter Dunlap */ 848a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_login_csg = 849a6d42e7dSPeter Dunlap ISCSI_LOGIN_CURRENT_STAGE(lh_req->flags); 850a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_login_nsg = 851a6d42e7dSPeter Dunlap ISCSI_LOGIN_NEXT_STAGE(lh_req->flags); 852a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_login_transit = 853a6d42e7dSPeter Dunlap lh_req->flags & ISCSI_FLAG_LOGIN_TRANSIT; 854a6d42e7dSPeter Dunlap 855a6d42e7dSPeter Dunlap /* 856a6d42e7dSPeter Dunlap * Initialize header for login reject response. This will also 857a6d42e7dSPeter Dunlap * be copied for use as a template for other login responses 858a6d42e7dSPeter Dunlap */ 859a6d42e7dSPeter Dunlap lh_resp->opcode = ISCSI_OP_LOGIN_RSP; 860a6d42e7dSPeter Dunlap lh_resp->max_version = ISCSIT_MAX_VERSION; 861a6d42e7dSPeter Dunlap 862a6d42e7dSPeter Dunlap /* 863a6d42e7dSPeter Dunlap * We already validated that we can support one of the initiator's 864a6d42e7dSPeter Dunlap * versions in login_sm_req_pdu_check(). 865a6d42e7dSPeter Dunlap */ 866a6d42e7dSPeter Dunlap #if (ISCSIT_MAX_VERSION > 0) 867a6d42e7dSPeter Dunlap if (ISCSIT_MAX_VERSION >= lh_req->min_version) { 868a6d42e7dSPeter Dunlap lh_resp->active_version = 869a6d42e7dSPeter Dunlap MIN(lh_req->max_version, ISCSIT_MAX_VERSION); 870a6d42e7dSPeter Dunlap } else { 871a6d42e7dSPeter Dunlap ASSERT(ISCSIT_MAX_VERSION <= lh_req->max_version); 872a6d42e7dSPeter Dunlap lh_resp->active_version = ISCSIT_MAX_VERSION; 873a6d42e7dSPeter Dunlap } 874a6d42e7dSPeter Dunlap #endif 875a6d42e7dSPeter Dunlap 876a6d42e7dSPeter Dunlap lh_resp->hlength = 0; /* No AHS */ 877a6d42e7dSPeter Dunlap bcopy(lh_req->isid, lh_resp->isid, ISCSI_ISID_LEN); 878a6d42e7dSPeter Dunlap lh_resp->tsid = lh_req->tsid; 879a6d42e7dSPeter Dunlap lh_resp->itt = lh_req->itt; 880a6d42e7dSPeter Dunlap 881a6d42e7dSPeter Dunlap /* 882a6d42e7dSPeter Dunlap * StatSn, ExpCmdSn and MaxCmdSn will be set immediately before 883a6d42e7dSPeter Dunlap * transmission 884a6d42e7dSPeter Dunlap */ 885a6d42e7dSPeter Dunlap } 886a6d42e7dSPeter Dunlap 887a6d42e7dSPeter Dunlap static void 8884142b486SJames Moore login_sm_send_next_response(iscsit_conn_t *ict, idm_pdu_t *pdu) 889a6d42e7dSPeter Dunlap { 890a6d42e7dSPeter Dunlap iscsi_login_rsp_hdr_t *lh_resp = (iscsi_login_rsp_hdr_t *)pdu->isp_hdr; 891a6d42e7dSPeter Dunlap 8924142b486SJames Moore /* Make sure this PDU is part of the login phase */ 893a6d42e7dSPeter Dunlap ASSERT((pdu->isp_flags & IDM_PDU_LOGIN_TX) != 0); 894a6d42e7dSPeter Dunlap 895a6d42e7dSPeter Dunlap /* 896a6d42e7dSPeter Dunlap * Fill in header values 897a6d42e7dSPeter Dunlap */ 898a6d42e7dSPeter Dunlap hton24(lh_resp->dlength, pdu->isp_datalen); 899a6d42e7dSPeter Dunlap 900a6d42e7dSPeter Dunlap /* 90160220f10SPriya Krishnan * If the login is successful, this login response will contain 90260220f10SPriya Krishnan * the next StatSN and advance the StatSN for the connection. 903a6d42e7dSPeter Dunlap */ 904a6d42e7dSPeter Dunlap if (lh_resp->status_class == ISCSI_STATUS_CLASS_SUCCESS) { 905a6d42e7dSPeter Dunlap ASSERT(ict->ict_sess != NULL); 906a6d42e7dSPeter Dunlap 907a6d42e7dSPeter Dunlap if ((lh_resp->flags & ISCSI_FLAG_LOGIN_TRANSIT) && 908a6d42e7dSPeter Dunlap (ISCSI_LOGIN_NEXT_STAGE(lh_resp->flags) == 909a6d42e7dSPeter Dunlap ISCSI_FULL_FEATURE_PHASE) && 910a6d42e7dSPeter Dunlap !(lh_resp->flags & ISCSI_FLAG_LOGIN_CONTINUE)) { 9114142b486SJames Moore iscsit_login_sm_event(ict, ILE_LOGIN_FFP, NULL); 9124142b486SJames Moore } 9134142b486SJames Moore if (login_sm_is_last_response(pdu) == B_TRUE) { 9144142b486SJames Moore /* 9154142b486SJames Moore * The last of a potentially mult-PDU response finished. 9164142b486SJames Moore */ 9174142b486SJames Moore iscsit_login_sm_event(ict, ILE_LOGIN_RESP_COMPLETE, 9184142b486SJames Moore NULL); 919a6d42e7dSPeter Dunlap } 920a6d42e7dSPeter Dunlap 9214142b486SJames Moore iscsit_conn_hold(ict); 92260220f10SPriya Krishnan pdu->isp_flags |= IDM_PDU_SET_STATSN | IDM_PDU_ADVANCE_STATSN; 923a6d42e7dSPeter Dunlap iscsit_pdu_tx(pdu); 924a6d42e7dSPeter Dunlap } else { 925a6d42e7dSPeter Dunlap /* 926a6d42e7dSPeter Dunlap * If status_class != ISCSI_STATUS_CLASS_SUCCESS then 927a6d42e7dSPeter Dunlap * StatSN is not valid and we can call idm_pdu_tx instead 928a6d42e7dSPeter Dunlap * of iscsit_pdu_tx. This is very good thing since in 929a6d42e7dSPeter Dunlap * some cases of login failure we may not have a session. 930a6d42e7dSPeter Dunlap * Since iscsit_calc_rspsn grabs the session mutex while 931a6d42e7dSPeter Dunlap * it is retrieving values for expcmdsn and maxcmdsn this 932a6d42e7dSPeter Dunlap * would cause a panic. 933a6d42e7dSPeter Dunlap * 934a6d42e7dSPeter Dunlap * Since we still want a value for expcmdsn, fill in an 935a6d42e7dSPeter Dunlap * appropriate value based on the login request before 9361050fd6dSJames Moore * sending the response. Cmdsn/expcmdsn do not advance during 9371050fd6dSJames Moore * login phase. 938a6d42e7dSPeter Dunlap */ 9391050fd6dSJames Moore lh_resp->expcmdsn = htonl(ict->ict_login_sm.icl_cmdsn); 9401050fd6dSJames Moore lh_resp->maxcmdsn = htonl(ict->ict_login_sm.icl_cmdsn + 1); 941a6d42e7dSPeter Dunlap 9424142b486SJames Moore iscsit_conn_hold(ict); 9434142b486SJames Moore idm_pdu_tx(pdu); 944a6d42e7dSPeter Dunlap } 945a6d42e7dSPeter Dunlap 946a6d42e7dSPeter Dunlap } 947a6d42e7dSPeter Dunlap 948a6d42e7dSPeter Dunlap static void 949a6d42e7dSPeter Dunlap login_sm_process_request(iscsit_conn_t *ict) 950a6d42e7dSPeter Dunlap { 951a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 952a6d42e7dSPeter Dunlap uint8_t error_class = 0; 953a6d42e7dSPeter Dunlap uint8_t error_detail = 0; 954a6d42e7dSPeter Dunlap 955a6d42e7dSPeter Dunlap /* 956a6d42e7dSPeter Dunlap * First walk all the PDU's that make up this login request 957a6d42e7dSPeter Dunlap * and compile all the iSCSI key-value pairs into nvlist format. 958a6d42e7dSPeter Dunlap */ 959a6d42e7dSPeter Dunlap 960a6d42e7dSPeter Dunlap ASSERT(lsm->icl_request_nvlist == NULL); 961a6d42e7dSPeter Dunlap /* create an nvlist for request key/value pairs */ 962a6d42e7dSPeter Dunlap if (idm_pdu_list_to_nvlist(&lsm->icl_pdu_list, 963a6d42e7dSPeter Dunlap &lsm->icl_request_nvlist, &error_detail) != IDM_STATUS_SUCCESS) { 964a6d42e7dSPeter Dunlap error_class = ISCSI_STATUS_CLASS_TARGET_ERR; 965a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 966a6d42e7dSPeter Dunlap goto request_fail; 967a6d42e7dSPeter Dunlap } 968a6d42e7dSPeter Dunlap 969a6d42e7dSPeter Dunlap /* Allocate a new nvlist for response key/value pairs */ 970a6d42e7dSPeter Dunlap ASSERT(lsm->icl_response_nvlist == NULL); 971a6d42e7dSPeter Dunlap if (nvlist_alloc(&lsm->icl_response_nvlist, NV_UNIQUE_NAME, 972a6d42e7dSPeter Dunlap KM_NOSLEEP) != 0) { 973a6d42e7dSPeter Dunlap error_class = ISCSI_STATUS_CLASS_TARGET_ERR; 974a6d42e7dSPeter Dunlap error_detail = ISCSI_LOGIN_STATUS_NO_RESOURCES; 975a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 976a6d42e7dSPeter Dunlap goto request_fail; 977a6d42e7dSPeter Dunlap } 978a6d42e7dSPeter Dunlap 979a6d42e7dSPeter Dunlap /* 980a6d42e7dSPeter Dunlap * This would be a very good time to make sure we have 981a6d42e7dSPeter Dunlap * negotiated the required values for the login phase. For 982a6d42e7dSPeter Dunlap * example we definitely should have defined InitiatorName, 983a6d42e7dSPeter Dunlap * and Target name regardless of our current login phase. 984a6d42e7dSPeter Dunlap */ 985a6d42e7dSPeter Dunlap if (!ict->ict_op.op_initial_params_set) { 986a6d42e7dSPeter Dunlap if (login_sm_validate_initial_parameters(ict) != 987a6d42e7dSPeter Dunlap IDM_STATUS_SUCCESS) { 988a6d42e7dSPeter Dunlap goto request_fail; 989a6d42e7dSPeter Dunlap } 990a6d42e7dSPeter Dunlap 991a6d42e7dSPeter Dunlap /* 992a6d42e7dSPeter Dunlap * Now setup our session association. This includes 993a6d42e7dSPeter Dunlap * create a new session or looking up an existing session, 994a6d42e7dSPeter Dunlap * and if this is not a discovery session then we will 995a6d42e7dSPeter Dunlap * also register this session with STMF. 996a6d42e7dSPeter Dunlap */ 997a6d42e7dSPeter Dunlap if (login_sm_session_bind(ict) != IDM_STATUS_SUCCESS) { 998a6d42e7dSPeter Dunlap goto request_fail; 999a6d42e7dSPeter Dunlap } 1000a6d42e7dSPeter Dunlap 1001a6d42e7dSPeter Dunlap if (login_sm_set_auth(ict) != IDM_STATUS_SUCCESS) { 1002a6d42e7dSPeter Dunlap goto request_fail; 1003a6d42e7dSPeter Dunlap } 1004a6d42e7dSPeter Dunlap 1005a6d42e7dSPeter Dunlap /* 1006a6d42e7dSPeter Dunlap * Prepend TargetAlias and PortalGroupTag 1007a6d42e7dSPeter Dunlap */ 1008a6d42e7dSPeter Dunlap if (ict->ict_op.op_discovery_session == B_FALSE) { 1009a6d42e7dSPeter Dunlap if ((lsm->icl_auth.ca_tgt_alias[0]) != '\0') { 1010a6d42e7dSPeter Dunlap (void) iscsit_reply_string(ict, 1011a6d42e7dSPeter Dunlap "TargetAlias", 1012a6d42e7dSPeter Dunlap &lsm->icl_auth.ca_tgt_alias[0]); 1013a6d42e7dSPeter Dunlap } 1014a6d42e7dSPeter Dunlap (void) iscsit_reply_numerical(ict, 1015a6d42e7dSPeter Dunlap "TargetPortalGroupTag", 1016a6d42e7dSPeter Dunlap (uint64_t)lsm->icl_tpgt_tag); 1017a6d42e7dSPeter Dunlap } 1018a6d42e7dSPeter Dunlap 1019a6d42e7dSPeter Dunlap ict->ict_op.op_initial_params_set = B_TRUE; 1020a6d42e7dSPeter Dunlap } 1021a6d42e7dSPeter Dunlap 1022a6d42e7dSPeter Dunlap if (login_sm_process_nvlist(ict) != IDM_STATUS_SUCCESS) { 1023a6d42e7dSPeter Dunlap goto request_fail; 1024a6d42e7dSPeter Dunlap } 1025a6d42e7dSPeter Dunlap 1026a6d42e7dSPeter Dunlap if (login_sm_check_security(ict) != IDM_STATUS_SUCCESS) { 1027a6d42e7dSPeter Dunlap goto request_fail; 1028a6d42e7dSPeter Dunlap } 1029a6d42e7dSPeter Dunlap 10304142b486SJames Moore /* clean up request_nvlist */ 10314142b486SJames Moore if (lsm->icl_request_nvlist != NULL) { 10324142b486SJames Moore nvlist_free(lsm->icl_request_nvlist); 10334142b486SJames Moore lsm->icl_request_nvlist = NULL; 10344142b486SJames Moore } 10354142b486SJames Moore 10364142b486SJames Moore /* convert any responses to textbuf form */ 10374142b486SJames Moore ASSERT(lsm->icl_login_resp_itb == NULL); 10384142b486SJames Moore if (lsm->icl_response_nvlist) { 10394142b486SJames Moore lsm->icl_login_resp_itb = idm_nvlist_to_itextbuf( 10404142b486SJames Moore lsm->icl_response_nvlist); 10414142b486SJames Moore if (lsm->icl_login_resp_itb == NULL) { 10424142b486SJames Moore /* Still need to send the resp so continue */ 10434142b486SJames Moore SET_LOGIN_ERROR(ict, 10444142b486SJames Moore ISCSI_STATUS_CLASS_TARGET_ERR, 10454142b486SJames Moore ISCSI_LOGIN_STATUS_NO_RESOURCES); 10464142b486SJames Moore } 10474142b486SJames Moore /* clean up response_nvlist */ 10484142b486SJames Moore nvlist_free(lsm->icl_response_nvlist); 10494142b486SJames Moore lsm->icl_response_nvlist = NULL; 10504142b486SJames Moore } 10514142b486SJames Moore 10524142b486SJames Moore /* tell the state machine to send the textbuf */ 1053a6d42e7dSPeter Dunlap iscsit_login_sm_event(ict, ILE_LOGIN_RESP_READY, NULL); 10544142b486SJames Moore return; 10554142b486SJames Moore 10564142b486SJames Moore request_fail: 1057a6d42e7dSPeter Dunlap 1058a6d42e7dSPeter Dunlap /* clean up request_nvlist and response_nvlist */ 1059a6d42e7dSPeter Dunlap if (lsm->icl_request_nvlist != NULL) { 1060a6d42e7dSPeter Dunlap nvlist_free(lsm->icl_request_nvlist); 1061a6d42e7dSPeter Dunlap lsm->icl_request_nvlist = NULL; 1062a6d42e7dSPeter Dunlap } 1063a6d42e7dSPeter Dunlap if (lsm->icl_response_nvlist != NULL) { 1064a6d42e7dSPeter Dunlap nvlist_free(lsm->icl_response_nvlist); 1065a6d42e7dSPeter Dunlap lsm->icl_response_nvlist = NULL; 1066a6d42e7dSPeter Dunlap } 1067e2073a1dSCharles Ting /* Make sure we already set the login error */ 1068e2073a1dSCharles Ting if (ict->ict_login_sm.icl_login_resp_err_class == 1069e2073a1dSCharles Ting ISCSI_STATUS_CLASS_SUCCESS) { 1070e2073a1dSCharles Ting SET_LOGIN_ERROR(ict, 1071e2073a1dSCharles Ting ISCSI_STATUS_CLASS_TARGET_ERR, 1072e2073a1dSCharles Ting ISCSI_LOGIN_STATUS_TARGET_ERROR); 1073e2073a1dSCharles Ting } 1074e2073a1dSCharles Ting iscsit_login_sm_event(ict, ILE_LOGIN_RESP_READY, NULL); 1075a6d42e7dSPeter Dunlap } 1076a6d42e7dSPeter Dunlap 1077a6d42e7dSPeter Dunlap 1078a6d42e7dSPeter Dunlap static void 1079a6d42e7dSPeter Dunlap login_sm_ffp_actions(iscsit_conn_t *ict) 1080a6d42e7dSPeter Dunlap { 1081a6d42e7dSPeter Dunlap iscsit_process_negotiated_values(ict); 1082a6d42e7dSPeter Dunlap } 1083a6d42e7dSPeter Dunlap 1084a6d42e7dSPeter Dunlap static idm_status_t 1085a6d42e7dSPeter Dunlap login_sm_validate_initial_parameters(iscsit_conn_t *ict) 1086a6d42e7dSPeter Dunlap { 1087a6d42e7dSPeter Dunlap int nvrc; 1088a6d42e7dSPeter Dunlap char *string_val; 1089a6d42e7dSPeter Dunlap uint8_t error_class = ISCSI_STATUS_CLASS_INITIATOR_ERR; 1090a6d42e7dSPeter Dunlap uint8_t error_detail = ISCSI_LOGIN_STATUS_MISSING_FIELDS; 1091a6d42e7dSPeter Dunlap idm_status_t status = IDM_STATUS_FAIL; 1092a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 1093a6d42e7dSPeter Dunlap 1094a6d42e7dSPeter Dunlap /* 1095a6d42e7dSPeter Dunlap * Make sure we received the required information from the initial 1096a6d42e7dSPeter Dunlap * login. Add these declaratives to the negotiated list and 1097a6d42e7dSPeter Dunlap * remove them from the request list as we go. If anything fails, 1098a6d42e7dSPeter Dunlap * the caller will clean-up the nvlists. 1099a6d42e7dSPeter Dunlap */ 1100a6d42e7dSPeter Dunlap 1101a6d42e7dSPeter Dunlap /* 1102a6d42e7dSPeter Dunlap * Initiator name 1103a6d42e7dSPeter Dunlap */ 1104a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_string(lsm->icl_request_nvlist, 1105a6d42e7dSPeter Dunlap "InitiatorName", &string_val)) != 0) { 1106a6d42e7dSPeter Dunlap goto initial_params_done; 1107a6d42e7dSPeter Dunlap } 1108a6d42e7dSPeter Dunlap if ((nvrc = nvlist_add_string(lsm->icl_negotiated_values, 1109a6d42e7dSPeter Dunlap "InitiatorName", string_val)) != 0) { 1110a6d42e7dSPeter Dunlap goto initial_params_done; 1111a6d42e7dSPeter Dunlap } 1112a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_string(lsm->icl_negotiated_values, 1113a6d42e7dSPeter Dunlap "InitiatorName", &string_val)) != 0) { 1114a6d42e7dSPeter Dunlap goto initial_params_done; 1115a6d42e7dSPeter Dunlap } 1116a6d42e7dSPeter Dunlap lsm->icl_initiator_name = string_val; 1117a668b114SPriya Krishnan idm_conn_set_initiator_name(ict->ict_ic, lsm->icl_initiator_name); 1118a6d42e7dSPeter Dunlap if ((nvrc = nvlist_remove(lsm->icl_request_nvlist, 1119a6d42e7dSPeter Dunlap "InitiatorName", DATA_TYPE_STRING)) != 0) { 1120a6d42e7dSPeter Dunlap goto initial_params_done; 1121a6d42e7dSPeter Dunlap } 1122a6d42e7dSPeter Dunlap 1123a6d42e7dSPeter Dunlap /* 1124a6d42e7dSPeter Dunlap * Session type 1125a6d42e7dSPeter Dunlap */ 1126a6d42e7dSPeter Dunlap ict->ict_op.op_discovery_session = B_FALSE; 1127a6d42e7dSPeter Dunlap nvrc = nvlist_lookup_string(lsm->icl_request_nvlist, 1128a6d42e7dSPeter Dunlap "SessionType", &string_val); 1129a6d42e7dSPeter Dunlap if (nvrc != ENOENT && nvrc != 0) { 1130a6d42e7dSPeter Dunlap goto initial_params_done; 1131a6d42e7dSPeter Dunlap } 1132a6d42e7dSPeter Dunlap if (nvrc == 0) { 1133a6d42e7dSPeter Dunlap if (strcmp(string_val, "Discovery") == 0) { 1134a6d42e7dSPeter Dunlap ict->ict_op.op_discovery_session = B_TRUE; 1135a6d42e7dSPeter Dunlap } else if (strcmp(string_val, "Normal") != 0) { 1136a6d42e7dSPeter Dunlap goto initial_params_done; 1137a6d42e7dSPeter Dunlap } 1138a6d42e7dSPeter Dunlap if ((nvrc = nvlist_add_string(lsm->icl_negotiated_values, 1139a6d42e7dSPeter Dunlap "SessionType", string_val)) != 0) { 1140a6d42e7dSPeter Dunlap goto initial_params_done; 1141a6d42e7dSPeter Dunlap } 1142a6d42e7dSPeter Dunlap if ((nvrc = nvlist_remove(lsm->icl_request_nvlist, 1143a6d42e7dSPeter Dunlap "SessionType", DATA_TYPE_STRING)) != 0) { 1144a6d42e7dSPeter Dunlap goto initial_params_done; 1145a6d42e7dSPeter Dunlap } 1146a6d42e7dSPeter Dunlap } 1147a6d42e7dSPeter Dunlap 1148a6d42e7dSPeter Dunlap /* 1149a6d42e7dSPeter Dunlap * Must have either TargetName or SessionType==Discovery 1150a6d42e7dSPeter Dunlap */ 1151a6d42e7dSPeter Dunlap lsm->icl_target_name = NULL; 1152a6d42e7dSPeter Dunlap nvrc = nvlist_lookup_string(lsm->icl_request_nvlist, 1153a6d42e7dSPeter Dunlap "TargetName", &string_val); 1154a6d42e7dSPeter Dunlap if (nvrc != ENOENT && nvrc != 0) { 1155a6d42e7dSPeter Dunlap goto initial_params_done; 1156a6d42e7dSPeter Dunlap } 1157a6d42e7dSPeter Dunlap if (nvrc == 0) { 1158a6d42e7dSPeter Dunlap if ((nvrc = nvlist_add_string(lsm->icl_negotiated_values, 1159a6d42e7dSPeter Dunlap "TargetName", string_val)) != 0) { 1160a6d42e7dSPeter Dunlap goto initial_params_done; 1161a6d42e7dSPeter Dunlap } 1162a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_string(lsm->icl_negotiated_values, 1163a6d42e7dSPeter Dunlap "TargetName", &string_val)) != 0) { 1164a6d42e7dSPeter Dunlap goto initial_params_done; 1165a6d42e7dSPeter Dunlap } 1166a6d42e7dSPeter Dunlap lsm->icl_target_name = string_val; 1167a668b114SPriya Krishnan idm_conn_set_target_name(ict->ict_ic, lsm->icl_target_name); 1168a6d42e7dSPeter Dunlap if ((nvrc = nvlist_remove(lsm->icl_request_nvlist, 1169a6d42e7dSPeter Dunlap "TargetName", DATA_TYPE_STRING)) != 0) { 1170a6d42e7dSPeter Dunlap goto initial_params_done; 1171a6d42e7dSPeter Dunlap } 1172a6d42e7dSPeter Dunlap } else if (ict->ict_op.op_discovery_session == B_FALSE) { 1173a6d42e7dSPeter Dunlap /* 1174a6d42e7dSPeter Dunlap * Missing target name 1175a6d42e7dSPeter Dunlap */ 1176a6d42e7dSPeter Dunlap goto initial_params_done; 1177a6d42e7dSPeter Dunlap } 1178a6d42e7dSPeter Dunlap 1179a668b114SPriya Krishnan idm_conn_set_isid(ict->ict_ic, lsm->icl_isid); 1180a668b114SPriya Krishnan (void) snprintf(ict->ict_ic->ic_tsih, ISCSI_MAX_TSIH_LEN + 1, "0x%04x", 1181a668b114SPriya Krishnan lsm->icl_tsih); 1182a668b114SPriya Krishnan 1183a6d42e7dSPeter Dunlap IDM_SM_LOG(CE_NOTE, "conn %p: initiator=%s", (void *)ict->ict_ic, 1184a6d42e7dSPeter Dunlap (lsm->icl_initiator_name == NULL) ? "N/A" : 1185a6d42e7dSPeter Dunlap lsm->icl_initiator_name); 1186a6d42e7dSPeter Dunlap IDM_SM_LOG(CE_NOTE, "conn %p: target=%s", (void *)ict->ict_ic, 1187a6d42e7dSPeter Dunlap (lsm->icl_target_name == NULL) ? "N/A" : 1188a6d42e7dSPeter Dunlap lsm->icl_target_name); 1189a6d42e7dSPeter Dunlap IDM_SM_LOG(CE_NOTE, "conn %p: sessiontype=%s", (void *)ict->ict_ic, 1190a6d42e7dSPeter Dunlap ict->ict_op.op_discovery_session ? "Discovery" : "Normal"); 1191a6d42e7dSPeter Dunlap 1192a6d42e7dSPeter Dunlap /* Sucess */ 1193a6d42e7dSPeter Dunlap status = IDM_STATUS_SUCCESS; 1194a6d42e7dSPeter Dunlap error_class = ISCSI_STATUS_CLASS_SUCCESS; 1195a6d42e7dSPeter Dunlap error_detail = ISCSI_LOGIN_STATUS_ACCEPT; 1196a6d42e7dSPeter Dunlap 1197a6d42e7dSPeter Dunlap initial_params_done: 1198a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 1199a6d42e7dSPeter Dunlap return (status); 1200a6d42e7dSPeter Dunlap } 1201a6d42e7dSPeter Dunlap 1202a6d42e7dSPeter Dunlap 1203a6d42e7dSPeter Dunlap /* 1204a6d42e7dSPeter Dunlap * login_sm_session_bind 1205a6d42e7dSPeter Dunlap * 1206a6d42e7dSPeter Dunlap * This function looks at the data from the initial login request 1207a6d42e7dSPeter Dunlap * of a new connection and either looks up and existing session, 1208a6d42e7dSPeter Dunlap * creates a new session, or returns an error. RFC3720 section 5.3.1 1209a6d42e7dSPeter Dunlap * defines these rules: 1210a6d42e7dSPeter Dunlap * 1211a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1212a6d42e7dSPeter Dunlap * |ISID | TSIH | CID | Target action | 1213a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1214a6d42e7dSPeter Dunlap * |new | non-zero | any | fail the login | 1215a6d42e7dSPeter Dunlap * | | | | ("session does not exist") | 1216a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1217a6d42e7dSPeter Dunlap * |new | zero | any | instantiate a new session | 1218a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1219a6d42e7dSPeter Dunlap * |existing | zero | any | do session reinstatement | 1220a6d42e7dSPeter Dunlap * | | | | (see section 5.3.5) | 1221a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1222a6d42e7dSPeter Dunlap * |existing | non-zero | new | add a new connection to | 1223a6d42e7dSPeter Dunlap * | | existing | | the session | 1224a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1225a6d42e7dSPeter Dunlap * |existing | non-zero |existing| do connection reinstatement| 1226a6d42e7dSPeter Dunlap * | | existing | | (see section 5.3.4) | 1227a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1228a6d42e7dSPeter Dunlap * |existing | non-zero | any | fail the login | 1229a6d42e7dSPeter Dunlap * | | new | | ("session does not exist") | 1230a6d42e7dSPeter Dunlap * +------------------------------------------------------------------+ 1231a6d42e7dSPeter Dunlap * 1232a6d42e7dSPeter Dunlap */ 1233a6d42e7dSPeter Dunlap 1234a6d42e7dSPeter Dunlap /* 1235a6d42e7dSPeter Dunlap * Map an <ipv6,port> address to an <ipv4,port> address if possible. 1236a6d42e7dSPeter Dunlap * Returns: 1237a6d42e7dSPeter Dunlap * 1 - success 1238a6d42e7dSPeter Dunlap * 0 - address not mapable 1239a6d42e7dSPeter Dunlap */ 1240a6d42e7dSPeter Dunlap 1241*483b029bSYuri Pankov int 1242a6d42e7dSPeter Dunlap iscsit_is_v4_mapped(struct sockaddr_storage *sa, struct sockaddr_storage *v4sa) 1243a6d42e7dSPeter Dunlap { 1244a6d42e7dSPeter Dunlap struct sockaddr_in *sin; 1245a6d42e7dSPeter Dunlap struct in_addr *in; 1246a6d42e7dSPeter Dunlap struct sockaddr_in6 *sin6; 1247a6d42e7dSPeter Dunlap struct in6_addr *in6; 1248a6d42e7dSPeter Dunlap int ret = 0; 1249a6d42e7dSPeter Dunlap 1250a6d42e7dSPeter Dunlap sin6 = (struct sockaddr_in6 *)sa; 1251a6d42e7dSPeter Dunlap in6 = &sin6->sin6_addr; 1252a6d42e7dSPeter Dunlap if ((sa->ss_family == AF_INET6) && 1253a6d42e7dSPeter Dunlap (IN6_IS_ADDR_V4MAPPED(in6) || IN6_IS_ADDR_V4COMPAT(in6))) { 1254a6d42e7dSPeter Dunlap sin = (struct sockaddr_in *)v4sa; 1255a6d42e7dSPeter Dunlap in = &sin->sin_addr; 1256a6d42e7dSPeter Dunlap v4sa->ss_family = AF_INET; 1257a6d42e7dSPeter Dunlap sin->sin_port = sin6->sin6_port; 1258a6d42e7dSPeter Dunlap IN6_V4MAPPED_TO_INADDR(in6, in); 1259a6d42e7dSPeter Dunlap ret = 1; 1260a6d42e7dSPeter Dunlap } 1261a6d42e7dSPeter Dunlap return (ret); 1262a6d42e7dSPeter Dunlap } 1263a6d42e7dSPeter Dunlap 1264a6d42e7dSPeter Dunlap static idm_status_t 1265a6d42e7dSPeter Dunlap login_sm_session_bind(iscsit_conn_t *ict) 1266a6d42e7dSPeter Dunlap { 1267a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 1268a6d42e7dSPeter Dunlap iscsit_tgt_t *tgt = NULL; 1269a6d42e7dSPeter Dunlap iscsit_tpgt_t *tpgt = NULL; 1270a6d42e7dSPeter Dunlap iscsit_portal_t *portal = NULL; 1271a6d42e7dSPeter Dunlap iscsit_sess_t *existing_sess = NULL; 1272a6d42e7dSPeter Dunlap iscsit_sess_t *new_sess = NULL; 1273a6d42e7dSPeter Dunlap iscsit_conn_t *existing_ict = NULL; 1274a6d42e7dSPeter Dunlap uint8_t error_class; 1275a6d42e7dSPeter Dunlap uint8_t error_detail; 1276a6d42e7dSPeter Dunlap 12773fc1e17eSPriya Krishnan /* 12783fc1e17eSPriya Krishnan * The multi-threaded execution of binding login sessions to target 12793fc1e17eSPriya Krishnan * introduced race conditions in the session creation/binding and 12803fc1e17eSPriya Krishnan * allowed duplicate sessions to tbe created. The addition of the 12813fc1e17eSPriya Krishnan * global mutex login_sm_session_mutex makes this function single 12823fc1e17eSPriya Krishnan * threaded to avoid such race conditions. Although this causes 12833fc1e17eSPriya Krishnan * a small portion of the login to be serialized, it is unlikely 12843fc1e17eSPriya Krishnan * that there would be numerous simultaneous logins to become a 12853fc1e17eSPriya Krishnan * performance issue. 12863fc1e17eSPriya Krishnan */ 12873fc1e17eSPriya Krishnan mutex_enter(&login_sm_session_mutex); 12883fc1e17eSPriya Krishnan 1289a6d42e7dSPeter Dunlap /* 1290a6d42e7dSPeter Dunlap * Look up target and then check if there are sessions or connections 1291a6d42e7dSPeter Dunlap * that match this request (see below). Any holds taken on objects 1292a6d42e7dSPeter Dunlap * must be released at the end of the function (let's keep things 1293a6d42e7dSPeter Dunlap * simple). 1294a6d42e7dSPeter Dunlap * 1295a6d42e7dSPeter Dunlap * If target name is set then we should have a corresponding target 1296a6d42e7dSPeter Dunlap * context configured. 1297a6d42e7dSPeter Dunlap */ 1298a6d42e7dSPeter Dunlap if (lsm->icl_target_name != NULL) { 1299a6d42e7dSPeter Dunlap /* 1300a6d42e7dSPeter Dunlap * iscsit_tgt_lookup implicitly takes a ref on the target 1301a6d42e7dSPeter Dunlap */ 1302a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_LOCK(RW_READER); 1303a6d42e7dSPeter Dunlap tgt = iscsit_tgt_lookup_locked(lsm->icl_target_name); 1304a6d42e7dSPeter Dunlap if (tgt == NULL) { 1305a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_UNLOCK(); 1306a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_INITIATOR_ERR, 1307a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_TGT_NOT_FOUND); 1308a6d42e7dSPeter Dunlap goto session_bind_error; 1309a6d42e7dSPeter Dunlap } else { 1310a6d42e7dSPeter Dunlap mutex_enter(&tgt->target_mutex); 1311a6d42e7dSPeter Dunlap tpgt = avl_first(&tgt->target_tpgt_list); 1312a6d42e7dSPeter Dunlap 1313a6d42e7dSPeter Dunlap if (IS_DEFAULT_TPGT(tpgt)) { 1314a6d42e7dSPeter Dunlap lsm->icl_tpgt_tag = ISCSIT_DEFAULT_TPGT; 1315a6d42e7dSPeter Dunlap } else { 1316a6d42e7dSPeter Dunlap /* 1317a6d42e7dSPeter Dunlap * Find the portal group tag for the 1318a6d42e7dSPeter Dunlap * login response. 1319a6d42e7dSPeter Dunlap */ 1320a6d42e7dSPeter Dunlap struct sockaddr_storage v4sa, *sa; 1321a6d42e7dSPeter Dunlap 1322a6d42e7dSPeter Dunlap sa = &ict->ict_ic->ic_laddr; 1323a6d42e7dSPeter Dunlap portal = iscsit_tgt_lookup_portal(tgt, 1324a6d42e7dSPeter Dunlap sa, &tpgt); 1325a6d42e7dSPeter Dunlap if (portal == NULL && 1326a6d42e7dSPeter Dunlap iscsit_is_v4_mapped(sa, &v4sa)) { 1327a6d42e7dSPeter Dunlap /* 1328a6d42e7dSPeter Dunlap * Try again if the local address 1329a6d42e7dSPeter Dunlap * was v6 mappable to v4. 1330a6d42e7dSPeter Dunlap */ 1331a6d42e7dSPeter Dunlap portal = iscsit_tgt_lookup_portal(tgt, 1332a6d42e7dSPeter Dunlap &v4sa, &tpgt); 1333a6d42e7dSPeter Dunlap 1334a6d42e7dSPeter Dunlap } 1335a6d42e7dSPeter Dunlap if (portal == NULL) { 1336a6d42e7dSPeter Dunlap /* 1337a6d42e7dSPeter Dunlap * Initiator came in on wrong address 1338a6d42e7dSPeter Dunlap */ 1339a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, 1340a6d42e7dSPeter Dunlap ISCSI_STATUS_CLASS_INITIATOR_ERR, 1341a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_TGT_NOT_FOUND); 1342a6d42e7dSPeter Dunlap mutex_exit(&tgt->target_mutex); 1343a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_UNLOCK(); 1344a6d42e7dSPeter Dunlap goto session_bind_error; 1345a6d42e7dSPeter Dunlap } 1346a6d42e7dSPeter Dunlap 1347a6d42e7dSPeter Dunlap /* 1348a6d42e7dSPeter Dunlap * Need to release holds on the portal and 1349a6d42e7dSPeter Dunlap * tpgt after processing is complete. 1350a6d42e7dSPeter Dunlap */ 1351a6d42e7dSPeter Dunlap lsm->icl_tpgt_tag = tpgt->tpgt_tag; 1352a6d42e7dSPeter Dunlap iscsit_portal_rele(portal); 1353a6d42e7dSPeter Dunlap iscsit_tpgt_rele(tpgt); 1354a6d42e7dSPeter Dunlap } 1355a6d42e7dSPeter Dunlap 13568c629652SPeter Cudhea - Sun Microsystems - Burlington, MA United States mutex_enter(&iscsit_global.global_state_mutex); 1357a6d42e7dSPeter Dunlap if ((tgt->target_state != TS_STMF_ONLINE) || 1358a6d42e7dSPeter Dunlap ((iscsit_global.global_svc_state != ISE_ENABLED) && 1359a6d42e7dSPeter Dunlap ((iscsit_global.global_svc_state != ISE_BUSY)))) { 13608c629652SPeter Cudhea - Sun Microsystems - Burlington, MA United States mutex_exit(&iscsit_global.global_state_mutex); 1361a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, 136272cf3143Speter dunlap ISCSI_STATUS_CLASS_TARGET_ERR, 136372cf3143Speter dunlap ISCSI_LOGIN_STATUS_SVC_UNAVAILABLE); 1364a6d42e7dSPeter Dunlap mutex_exit(&tgt->target_mutex); 1365a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_UNLOCK(); 1366a6d42e7dSPeter Dunlap goto session_bind_error; 1367a6d42e7dSPeter Dunlap } 13688c629652SPeter Cudhea - Sun Microsystems - Burlington, MA United States mutex_exit(&iscsit_global.global_state_mutex); 1369a6d42e7dSPeter Dunlap mutex_exit(&tgt->target_mutex); 1370a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_UNLOCK(); 1371a6d42e7dSPeter Dunlap } 1372a6d42e7dSPeter Dunlap } 1373a6d42e7dSPeter Dunlap 1374a6d42e7dSPeter Dunlap ASSERT((tgt != NULL) || (ict->ict_op.op_discovery_session == B_TRUE)); 1375a6d42e7dSPeter Dunlap 1376a6d42e7dSPeter Dunlap /* 1377a6d42e7dSPeter Dunlap * Check if there is an existing session matching this ISID. If 1378a6d42e7dSPeter Dunlap * tgt == NULL then we'll look for the session on the global list 1379a6d42e7dSPeter Dunlap * of discovery session. If we find a session then the ISID 1380a6d42e7dSPeter Dunlap * exists. 1381a6d42e7dSPeter Dunlap */ 1382a6d42e7dSPeter Dunlap existing_sess = iscsit_tgt_lookup_sess(tgt, lsm->icl_initiator_name, 1383a6d42e7dSPeter Dunlap lsm->icl_isid, lsm->icl_tsih, lsm->icl_tpgt_tag); 1384a6d42e7dSPeter Dunlap if (existing_sess != NULL) { 1385a6d42e7dSPeter Dunlap existing_ict = iscsit_sess_lookup_conn(existing_sess, 1386a6d42e7dSPeter Dunlap ict->ict_cid); 1387a6d42e7dSPeter Dunlap } 1388a6d42e7dSPeter Dunlap 1389a6d42e7dSPeter Dunlap /* 1390a6d42e7dSPeter Dunlap * If this is a discovery session, make sure it has appropriate 1391a6d42e7dSPeter Dunlap * parameters. 1392a6d42e7dSPeter Dunlap */ 1393a6d42e7dSPeter Dunlap if ((ict->ict_op.op_discovery_session == B_TRUE) && 1394a6d42e7dSPeter Dunlap ((lsm->icl_tsih != ISCSI_UNSPEC_TSIH) || (existing_sess != NULL))) { 1395a6d42e7dSPeter Dunlap /* XXX Do we need to check for existing ISID (sess != NULL)? */ 1396a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_INITIATOR_ERR, 1397a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_INVALID_REQUEST); 1398a6d42e7dSPeter Dunlap goto session_bind_error; 1399a6d42e7dSPeter Dunlap } 1400a6d42e7dSPeter Dunlap 1401a6d42e7dSPeter Dunlap /* 1402a6d42e7dSPeter Dunlap * Check the two error conditions from the table. 1403a6d42e7dSPeter Dunlap * 1404a6d42e7dSPeter Dunlap * ISID=new, TSIH=non-zero 1405a6d42e7dSPeter Dunlap */ 1406a6d42e7dSPeter Dunlap if ((existing_sess == NULL) && (lsm->icl_tsih != ISCSI_UNSPEC_TSIH)) { 1407a6d42e7dSPeter Dunlap /* fail the login */ 1408a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_INITIATOR_ERR, 1409a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_NO_SESSION); 1410a6d42e7dSPeter Dunlap goto session_bind_error; 1411a6d42e7dSPeter Dunlap } 1412a6d42e7dSPeter Dunlap 1413a6d42e7dSPeter Dunlap /* ISID=existing, TSIH=non-zero new */ 1414a6d42e7dSPeter Dunlap if ((existing_sess != NULL) && (lsm->icl_tsih != 0) && 1415a6d42e7dSPeter Dunlap (existing_sess->ist_tsih != lsm->icl_tsih)) { 1416a6d42e7dSPeter Dunlap /* fail the login */ 1417a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_INITIATOR_ERR, 1418a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_NO_SESSION); 1419a6d42e7dSPeter Dunlap goto session_bind_error; 1420a6d42e7dSPeter Dunlap } 1421a6d42e7dSPeter Dunlap 1422a6d42e7dSPeter Dunlap /* 1423a6d42e7dSPeter Dunlap * Handle the remaining table cases in order 1424a6d42e7dSPeter Dunlap */ 1425a6d42e7dSPeter Dunlap if (existing_sess == NULL) { 1426a6d42e7dSPeter Dunlap /* Should have caught this above */ 1427a6d42e7dSPeter Dunlap ASSERT(lsm->icl_tsih == ISCSI_UNSPEC_TSIH); 1428a6d42e7dSPeter Dunlap /* 1429a6d42e7dSPeter Dunlap * ISID=new, TSIH=zero --> instantiate a new session 1430a6d42e7dSPeter Dunlap */ 1431a6d42e7dSPeter Dunlap new_sess = iscsit_sess_create(tgt, ict, lsm->icl_cmdsn, 1432a6d42e7dSPeter Dunlap lsm->icl_isid, lsm->icl_tpgt_tag, lsm->icl_initiator_name, 1433a6d42e7dSPeter Dunlap lsm->icl_target_name, &error_class, &error_detail); 1434a6d42e7dSPeter Dunlap ASSERT(new_sess != NULL); 1435a6d42e7dSPeter Dunlap 1436a6d42e7dSPeter Dunlap /* Session create may have failed even if it returned a value */ 1437a6d42e7dSPeter Dunlap if (error_class != ISCSI_STATUS_CLASS_SUCCESS) { 1438a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 1439a6d42e7dSPeter Dunlap goto session_bind_error; 1440a6d42e7dSPeter Dunlap } 1441a6d42e7dSPeter Dunlap 1442a6d42e7dSPeter Dunlap /* 1443a6d42e7dSPeter Dunlap * If we don't already have an STMF session and this is not 1444a6d42e7dSPeter Dunlap * a discovery session then we need to allocate and register 1445a6d42e7dSPeter Dunlap * one. 1446a6d42e7dSPeter Dunlap */ 1447a6d42e7dSPeter Dunlap if (!ict->ict_op.op_discovery_session) { 1448a6d42e7dSPeter Dunlap if (login_sm_session_register(ict) != 1449a6d42e7dSPeter Dunlap IDM_STATUS_SUCCESS) { 1450a6d42e7dSPeter Dunlap /* login_sm_session_register sets error codes */ 1451a6d42e7dSPeter Dunlap goto session_bind_error; 1452a6d42e7dSPeter Dunlap } 1453a6d42e7dSPeter Dunlap } 1454a6d42e7dSPeter Dunlap 1455a6d42e7dSPeter Dunlap } else { 1456a6d42e7dSPeter Dunlap if (lsm->icl_tsih == ISCSI_UNSPEC_TSIH) { 1457a6d42e7dSPeter Dunlap /* 1458a6d42e7dSPeter Dunlap * ISID=existing, TSIH=zero --> Session reinstatement 1459a6d42e7dSPeter Dunlap */ 1460a6d42e7dSPeter Dunlap new_sess = iscsit_sess_reinstate(tgt, existing_sess, 1461a6d42e7dSPeter Dunlap ict, &error_class, &error_detail); 1462a6d42e7dSPeter Dunlap ASSERT(new_sess != NULL); 1463a6d42e7dSPeter Dunlap 1464a6d42e7dSPeter Dunlap if (error_class != ISCSI_STATUS_CLASS_SUCCESS) { 1465a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 1466a6d42e7dSPeter Dunlap goto session_bind_error; 1467a6d42e7dSPeter Dunlap } 1468a6d42e7dSPeter Dunlap 1469a6d42e7dSPeter Dunlap /* 1470a6d42e7dSPeter Dunlap * If we don't already have an STMF session and this is 1471a6d42e7dSPeter Dunlap * not a discovery session then we need to allocate and 1472a6d42e7dSPeter Dunlap * register one. 1473a6d42e7dSPeter Dunlap */ 1474a6d42e7dSPeter Dunlap if (!ict->ict_op.op_discovery_session) { 1475a6d42e7dSPeter Dunlap if (login_sm_session_register(ict) != 1476a6d42e7dSPeter Dunlap IDM_STATUS_SUCCESS) { 1477a6d42e7dSPeter Dunlap /* 1478a6d42e7dSPeter Dunlap * login_sm_session_register sets 1479a6d42e7dSPeter Dunlap * error codes 1480a6d42e7dSPeter Dunlap */ 1481a6d42e7dSPeter Dunlap goto session_bind_error; 1482a6d42e7dSPeter Dunlap } 1483a6d42e7dSPeter Dunlap } 1484a6d42e7dSPeter Dunlap } else { 1485a6d42e7dSPeter Dunlap /* 1486a6d42e7dSPeter Dunlap * The following code covers these two cases: 1487a6d42e7dSPeter Dunlap * ISID=existing, TSIH=non-zero existing, CID=new 1488a6d42e7dSPeter Dunlap * --> add new connection to MC/S session 1489a6d42e7dSPeter Dunlap * ISID=existing, TSIH=non-zero existing, CID=existing 1490a6d42e7dSPeter Dunlap * --> do connection reinstatement 1491a6d42e7dSPeter Dunlap * 1492a6d42e7dSPeter Dunlap * Session continuation uses this path as well 1493a6d42e7dSPeter Dunlap */ 1494a6d42e7dSPeter Dunlap cmn_err(CE_NOTE, "login_sm_session_bind: add new " 1495a6d42e7dSPeter Dunlap "conn/sess continue"); 1496a6d42e7dSPeter Dunlap if (existing_ict != NULL) { 1497a6d42e7dSPeter Dunlap /* 1498a6d42e7dSPeter Dunlap * ISID=existing, TSIH=non-zero existing, 1499a6d42e7dSPeter Dunlap * CID=existing --> do connection reinstatement 1500a6d42e7dSPeter Dunlap */ 1501a6d42e7dSPeter Dunlap if (iscsit_conn_reinstate(existing_ict, ict) != 1502a6d42e7dSPeter Dunlap IDM_STATUS_SUCCESS) { 1503a6d42e7dSPeter Dunlap /* 1504a6d42e7dSPeter Dunlap * Most likely this means the connection 1505a6d42e7dSPeter Dunlap * the initiator is trying to reinstate 1506a6d42e7dSPeter Dunlap * is not in an acceptable state. 1507a6d42e7dSPeter Dunlap */ 1508a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, 1509a6d42e7dSPeter Dunlap ISCSI_STATUS_CLASS_INITIATOR_ERR, 1510a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_INIT_ERR); 1511a6d42e7dSPeter Dunlap goto session_bind_error; 1512a6d42e7dSPeter Dunlap } 1513a6d42e7dSPeter Dunlap } 1514a6d42e7dSPeter Dunlap 1515a6d42e7dSPeter Dunlap iscsit_sess_sm_event(existing_sess, SE_CONN_IN_LOGIN, 1516a6d42e7dSPeter Dunlap ict); 1517a6d42e7dSPeter Dunlap } 1518a6d42e7dSPeter Dunlap } 1519a6d42e7dSPeter Dunlap 1520a6d42e7dSPeter Dunlap if (tgt != NULL) 1521a6d42e7dSPeter Dunlap iscsit_tgt_rele(tgt); 1522a6d42e7dSPeter Dunlap if (existing_sess != NULL) 1523a6d42e7dSPeter Dunlap iscsit_sess_rele(existing_sess); 1524a6d42e7dSPeter Dunlap if (existing_ict != NULL) 1525a6d42e7dSPeter Dunlap iscsit_conn_rele(existing_ict); 1526a6d42e7dSPeter Dunlap 15273fc1e17eSPriya Krishnan mutex_exit(&login_sm_session_mutex); 1528a6d42e7dSPeter Dunlap return (IDM_STATUS_SUCCESS); 1529a6d42e7dSPeter Dunlap 1530a6d42e7dSPeter Dunlap session_bind_error: 1531a6d42e7dSPeter Dunlap if (tgt != NULL) 1532a6d42e7dSPeter Dunlap iscsit_tgt_rele(tgt); 1533a6d42e7dSPeter Dunlap if (existing_sess != NULL) 1534a6d42e7dSPeter Dunlap iscsit_sess_rele(existing_sess); 1535a6d42e7dSPeter Dunlap if (existing_ict != NULL) 1536a6d42e7dSPeter Dunlap iscsit_conn_rele(existing_ict); 1537a6d42e7dSPeter Dunlap 1538a6d42e7dSPeter Dunlap /* 1539a6d42e7dSPeter Dunlap * If session bind fails we will fail the login but don't destroy 1540a6d42e7dSPeter Dunlap * the session until later. 1541a6d42e7dSPeter Dunlap */ 15423fc1e17eSPriya Krishnan mutex_exit(&login_sm_session_mutex); 1543a6d42e7dSPeter Dunlap return (IDM_STATUS_FAIL); 1544a6d42e7dSPeter Dunlap } 1545a6d42e7dSPeter Dunlap 1546a6d42e7dSPeter Dunlap 1547a6d42e7dSPeter Dunlap static idm_status_t 1548a6d42e7dSPeter Dunlap login_sm_set_auth(iscsit_conn_t *ict) 1549a6d42e7dSPeter Dunlap { 1550a6d42e7dSPeter Dunlap idm_status_t idmrc = IDM_STATUS_SUCCESS; 1551a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 1552a6d42e7dSPeter Dunlap iscsit_ini_t *ini; 1553a6d42e7dSPeter Dunlap iscsit_tgt_t *tgt; 1554a6d42e7dSPeter Dunlap char *auth = ""; 1555a6d42e7dSPeter Dunlap char *radiusserver = ""; 1556a6d42e7dSPeter Dunlap char *radiussecret = ""; 1557a6d42e7dSPeter Dunlap char *chapuser = ""; 1558a6d42e7dSPeter Dunlap char *chapsecret = ""; 1559a6d42e7dSPeter Dunlap char *targetchapuser = ""; 1560a6d42e7dSPeter Dunlap char *targetchapsecret = ""; 1561a6d42e7dSPeter Dunlap char *targetalias = ""; 1562a6d42e7dSPeter Dunlap int i; 1563a6d42e7dSPeter Dunlap 1564a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_LOCK(RW_READER); 1565a6d42e7dSPeter Dunlap 1566a6d42e7dSPeter Dunlap /* 1567a6d42e7dSPeter Dunlap * Set authentication method to none for discovery session. 1568a6d42e7dSPeter Dunlap */ 1569a6d42e7dSPeter Dunlap if (ict->ict_op.op_discovery_session == B_TRUE) { 1570a6d42e7dSPeter Dunlap lsm->icl_auth.ca_method_valid_list[0] = AM_NONE; 1571a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_UNLOCK(); 1572a6d42e7dSPeter Dunlap return (idmrc); 1573a6d42e7dSPeter Dunlap } 1574a6d42e7dSPeter Dunlap 1575a6d42e7dSPeter Dunlap /* 1576a6d42e7dSPeter Dunlap * Get all the authentication parameters we need -- since we hold 1577a6d42e7dSPeter Dunlap * the global config lock we guarantee that the parameters will 1578a6d42e7dSPeter Dunlap * be consistent with each other. 1579a6d42e7dSPeter Dunlap */ 1580a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(iscsit_global.global_props, 1581a6d42e7dSPeter Dunlap PROP_AUTH, &auth); 1582a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(iscsit_global.global_props, 1583a6d42e7dSPeter Dunlap PROP_RADIUS_SERVER, &radiusserver); 1584a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(iscsit_global.global_props, 1585a6d42e7dSPeter Dunlap PROP_RADIUS_SECRET, &radiussecret); 1586a6d42e7dSPeter Dunlap 1587a6d42e7dSPeter Dunlap ini = iscsit_ini_lookup_locked(lsm->icl_initiator_name); 1588a6d42e7dSPeter Dunlap if (ini != NULL) { 1589a6d42e7dSPeter Dunlap /* Get Initiator CHAP parameters */ 1590a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(ini->ini_props, PROP_CHAP_USER, 1591a6d42e7dSPeter Dunlap &chapuser); 1592a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(ini->ini_props, PROP_CHAP_SECRET, 1593a6d42e7dSPeter Dunlap &chapsecret); 1594a6d42e7dSPeter Dunlap } 1595a6d42e7dSPeter Dunlap 1596a6d42e7dSPeter Dunlap tgt = ict->ict_sess->ist_tgt; 1597a6d42e7dSPeter Dunlap if (tgt != NULL) { 1598a6d42e7dSPeter Dunlap /* See if we have a target-specific authentication setting */ 1599a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(tgt->target_props, PROP_AUTH, 1600a6d42e7dSPeter Dunlap &auth); 1601a6d42e7dSPeter Dunlap /* Get target CHAP parameters */ 1602a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(tgt->target_props, 1603a6d42e7dSPeter Dunlap PROP_TARGET_CHAP_USER, &targetchapuser); 1604a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(tgt->target_props, 1605a6d42e7dSPeter Dunlap PROP_TARGET_CHAP_SECRET, &targetchapsecret); 1606a6d42e7dSPeter Dunlap /* Get alias */ 1607a6d42e7dSPeter Dunlap (void) nvlist_lookup_string(tgt->target_props, 1608a6d42e7dSPeter Dunlap PROP_ALIAS, &targetalias); 1609a6d42e7dSPeter Dunlap } 1610a6d42e7dSPeter Dunlap 1611a6d42e7dSPeter Dunlap /* Set authentication method */ 1612a6d42e7dSPeter Dunlap i = 0; 1613a6d42e7dSPeter Dunlap if (strcmp(auth, PA_AUTH_RADIUS) == 0) { 1614a6d42e7dSPeter Dunlap /* CHAP authentication using RADIUS server */ 1615a6d42e7dSPeter Dunlap lsm->icl_auth.ca_method_valid_list[i++] = AM_CHAP; 1616a6d42e7dSPeter Dunlap lsm->icl_auth.ca_use_radius = B_TRUE; 1617a6d42e7dSPeter Dunlap } else if (strcmp(auth, PA_AUTH_CHAP) == 0) { 1618a6d42e7dSPeter Dunlap /* Local CHAP authentication */ 1619a6d42e7dSPeter Dunlap lsm->icl_auth.ca_method_valid_list[i++] = AM_CHAP; 1620a6d42e7dSPeter Dunlap lsm->icl_auth.ca_use_radius = B_FALSE; 1621a6d42e7dSPeter Dunlap } else if ((strcmp(auth, PA_AUTH_NONE) == 0) || 1622a6d42e7dSPeter Dunlap (strcmp(auth, "") == 0)) { 1623a6d42e7dSPeter Dunlap /* No authentication */ 1624a6d42e7dSPeter Dunlap lsm->icl_auth.ca_method_valid_list[i++] = AM_NONE; 1625a6d42e7dSPeter Dunlap } 1626a6d42e7dSPeter Dunlap 1627a6d42e7dSPeter Dunlap /* 1628a6d42e7dSPeter Dunlap * If initiator/target CHAP username is not set then use the 1629a6d42e7dSPeter Dunlap * node name. If lsm->icl_target_name == NULL then this is 1630a6d42e7dSPeter Dunlap * a discovery session so we don't need to work about the target. 1631a6d42e7dSPeter Dunlap */ 1632a6d42e7dSPeter Dunlap if (strcmp(chapuser, "") == 0) { 1633a6d42e7dSPeter Dunlap (void) strlcpy(lsm->icl_auth.ca_ini_chapuser, 1634a6d42e7dSPeter Dunlap lsm->icl_initiator_name, 163530e7468fSPeter Dunlap min(iscsitAuthStringMaxLength, MAX_ISCSI_NODENAMELEN)); 1636a6d42e7dSPeter Dunlap } else { 1637a6d42e7dSPeter Dunlap (void) strlcpy(lsm->icl_auth.ca_ini_chapuser, chapuser, 163830e7468fSPeter Dunlap iscsitAuthStringMaxLength); 1639a6d42e7dSPeter Dunlap } 1640a6d42e7dSPeter Dunlap if ((lsm->icl_target_name != NULL) && 1641a6d42e7dSPeter Dunlap (strcmp(targetchapuser, "") == 0)) { 1642a6d42e7dSPeter Dunlap (void) strlcpy(lsm->icl_auth.ca_tgt_chapuser, 1643a6d42e7dSPeter Dunlap lsm->icl_target_name, 164430e7468fSPeter Dunlap min(iscsitAuthStringMaxLength, MAX_ISCSI_NODENAMELEN)); 1645a6d42e7dSPeter Dunlap } else { 1646a6d42e7dSPeter Dunlap (void) strlcpy(lsm->icl_auth.ca_tgt_chapuser, 164730e7468fSPeter Dunlap targetchapuser, iscsitAuthStringMaxLength); 1648a6d42e7dSPeter Dunlap } 1649a6d42e7dSPeter Dunlap 1650a6d42e7dSPeter Dunlap /* 1651a6d42e7dSPeter Dunlap * Secrets are stored in base64-encoded format so we need to 1652a6d42e7dSPeter Dunlap * decode them into binary form 1653a6d42e7dSPeter Dunlap */ 1654a6d42e7dSPeter Dunlap if (strcmp(chapsecret, "") == 0) { 1655a6d42e7dSPeter Dunlap lsm->icl_auth.ca_ini_chapsecretlen = 0; 1656a6d42e7dSPeter Dunlap } else { 1657a6d42e7dSPeter Dunlap if (iscsi_base64_str_to_binary(chapsecret, 165830e7468fSPeter Dunlap strnlen(chapsecret, iscsitAuthStringMaxLength), 165930e7468fSPeter Dunlap lsm->icl_auth.ca_ini_chapsecret, iscsitAuthStringMaxLength, 1660a6d42e7dSPeter Dunlap &lsm->icl_auth.ca_ini_chapsecretlen) != 0) { 1661a6d42e7dSPeter Dunlap cmn_err(CE_WARN, "Corrupted CHAP secret" 1662a6d42e7dSPeter Dunlap " for initiator %s", lsm->icl_initiator_name); 1663a6d42e7dSPeter Dunlap lsm->icl_auth.ca_ini_chapsecretlen = 0; 1664a6d42e7dSPeter Dunlap } 1665a6d42e7dSPeter Dunlap } 1666a6d42e7dSPeter Dunlap if (strcmp(targetchapsecret, "") == 0) { 1667a6d42e7dSPeter Dunlap lsm->icl_auth.ca_tgt_chapsecretlen = 0; 1668a6d42e7dSPeter Dunlap } else { 1669a6d42e7dSPeter Dunlap if (iscsi_base64_str_to_binary(targetchapsecret, 167030e7468fSPeter Dunlap strnlen(targetchapsecret, iscsitAuthStringMaxLength), 167130e7468fSPeter Dunlap lsm->icl_auth.ca_tgt_chapsecret, iscsitAuthStringMaxLength, 1672a6d42e7dSPeter Dunlap &lsm->icl_auth.ca_tgt_chapsecretlen) != 0) { 1673a6d42e7dSPeter Dunlap cmn_err(CE_WARN, "Corrupted CHAP secret" 1674a6d42e7dSPeter Dunlap " for target %s", lsm->icl_target_name); 1675a6d42e7dSPeter Dunlap lsm->icl_auth.ca_tgt_chapsecretlen = 0; 1676a6d42e7dSPeter Dunlap } 1677a6d42e7dSPeter Dunlap } 1678a6d42e7dSPeter Dunlap if (strcmp(radiussecret, "") == 0) { 1679a6d42e7dSPeter Dunlap lsm->icl_auth.ca_radius_secretlen = 0; 1680a6d42e7dSPeter Dunlap } else { 1681a6d42e7dSPeter Dunlap if (iscsi_base64_str_to_binary(radiussecret, 168230e7468fSPeter Dunlap strnlen(radiussecret, iscsitAuthStringMaxLength), 168330e7468fSPeter Dunlap lsm->icl_auth.ca_radius_secret, iscsitAuthStringMaxLength, 1684a6d42e7dSPeter Dunlap &lsm->icl_auth.ca_radius_secretlen) != 0) { 1685a6d42e7dSPeter Dunlap cmn_err(CE_WARN, "Corrupted RADIUS secret"); 1686a6d42e7dSPeter Dunlap lsm->icl_auth.ca_radius_secretlen = 0; 1687a6d42e7dSPeter Dunlap } 1688a6d42e7dSPeter Dunlap } 1689a6d42e7dSPeter Dunlap 1690a6d42e7dSPeter Dunlap /* 1691a6d42e7dSPeter Dunlap * Set alias 1692a6d42e7dSPeter Dunlap */ 1693a6d42e7dSPeter Dunlap (void) strlcpy(lsm->icl_auth.ca_tgt_alias, targetalias, 1694a6d42e7dSPeter Dunlap MAX_ISCSI_NODENAMELEN); 1695a6d42e7dSPeter Dunlap 1696a6d42e7dSPeter Dunlap /* 1697a6d42e7dSPeter Dunlap * Now that authentication parameters are setup, validate the parameters 1698a6d42e7dSPeter Dunlap * against the authentication mode 1699a6d42e7dSPeter Dunlap * Decode RADIUS server value int lsm->icl_auth.ca_radius_server 1700a6d42e7dSPeter Dunlap */ 1701a6d42e7dSPeter Dunlap if ((strcmp(auth, PA_AUTH_RADIUS) == 0) && 1702a6d42e7dSPeter Dunlap ((lsm->icl_auth.ca_radius_secretlen == 0) || 1703a6d42e7dSPeter Dunlap (strcmp(radiusserver, "") == 0) || 1704a6d42e7dSPeter Dunlap it_common_convert_sa(radiusserver, 1705a6d42e7dSPeter Dunlap &lsm->icl_auth.ca_radius_server, 1706a6d42e7dSPeter Dunlap DEFAULT_RADIUS_PORT) == NULL)) { 1707a6d42e7dSPeter Dunlap cmn_err(CE_WARN, "RADIUS authentication selected " 1708a6d42e7dSPeter Dunlap "for target %s but RADIUS parameters are not " 1709a6d42e7dSPeter Dunlap "configured.", lsm->icl_target_name); 1710a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_TARGET_ERR, 1711a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_TARGET_ERROR); 1712a6d42e7dSPeter Dunlap idmrc = IDM_STATUS_FAIL; 1713a6d42e7dSPeter Dunlap } else if ((strcmp(auth, PA_AUTH_CHAP) == 0) && 1714a6d42e7dSPeter Dunlap (lsm->icl_auth.ca_ini_chapsecretlen == 0)) { 1715a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_INITIATOR_ERR, 1716a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_AUTH_FAILED); 1717a6d42e7dSPeter Dunlap idmrc = IDM_STATUS_FAIL; 1718a6d42e7dSPeter Dunlap } 1719a6d42e7dSPeter Dunlap 1720a6d42e7dSPeter Dunlap ISCSIT_GLOBAL_UNLOCK(); 1721a6d42e7dSPeter Dunlap 1722a6d42e7dSPeter Dunlap return (idmrc); 1723a6d42e7dSPeter Dunlap } 1724a6d42e7dSPeter Dunlap 1725a6d42e7dSPeter Dunlap 1726a6d42e7dSPeter Dunlap static idm_status_t 1727a6d42e7dSPeter Dunlap login_sm_session_register(iscsit_conn_t *ict) 1728a6d42e7dSPeter Dunlap { 1729a6d42e7dSPeter Dunlap iscsit_sess_t *ist = ict->ict_sess; 1730a6d42e7dSPeter Dunlap stmf_scsi_session_t *ss; 1731716c1805SNattuvetty Bhavyan iscsi_transport_id_t *iscsi_tptid; 1732716c1805SNattuvetty Bhavyan uint16_t ident_len, adn_len, tptid_sz; 1733a6d42e7dSPeter Dunlap 1734a6d42e7dSPeter Dunlap /* 1735a6d42e7dSPeter Dunlap * Hold target mutex until we have finished registering with STMF 1736a6d42e7dSPeter Dunlap */ 1737a6d42e7dSPeter Dunlap mutex_enter(&ist->ist_tgt->target_mutex); 1738a6d42e7dSPeter Dunlap if (ist->ist_tgt->target_state != TS_STMF_ONLINE) { 1739a6d42e7dSPeter Dunlap mutex_exit(&ist->ist_tgt->target_mutex); 1740a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_INITIATOR_ERR, 1741a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_TGT_REMOVED); 1742a6d42e7dSPeter Dunlap return (IDM_STATUS_FAIL); 1743a6d42e7dSPeter Dunlap } 1744a6d42e7dSPeter Dunlap 1745a6d42e7dSPeter Dunlap ss = stmf_alloc(STMF_STRUCT_SCSI_SESSION, 0, 1746a6d42e7dSPeter Dunlap 0); 1747a6d42e7dSPeter Dunlap if (ss == NULL) { 1748a6d42e7dSPeter Dunlap mutex_exit(&ist->ist_tgt->target_mutex); 1749a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_TARGET_ERR, 1750a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_NO_RESOURCES); 1751a6d42e7dSPeter Dunlap return (IDM_STATUS_FAIL); 1752a6d42e7dSPeter Dunlap } 1753a6d42e7dSPeter Dunlap 1754716c1805SNattuvetty Bhavyan ident_len = strlen(ist->ist_initiator_name) + 1; 1755a6d42e7dSPeter Dunlap ss->ss_rport_id = kmem_zalloc(sizeof (scsi_devid_desc_t) + 1756716c1805SNattuvetty Bhavyan ident_len, KM_SLEEP); 1757a6d42e7dSPeter Dunlap (void) strcpy((char *)ss->ss_rport_id->ident, ist->ist_initiator_name); 1758716c1805SNattuvetty Bhavyan ss->ss_rport_id->ident_length = ident_len - 1; 1759a6d42e7dSPeter Dunlap ss->ss_rport_id->protocol_id = PROTOCOL_iSCSI; 1760a6d42e7dSPeter Dunlap ss->ss_rport_id->piv = 1; 1761a6d42e7dSPeter Dunlap ss->ss_rport_id->code_set = CODE_SET_ASCII; 1762a6d42e7dSPeter Dunlap ss->ss_rport_id->association = ID_IS_TARGET_PORT; 1763a6d42e7dSPeter Dunlap 1764716c1805SNattuvetty Bhavyan /* adn_len should be 4 byte aligned, SPC3 rev 23, section 7.54.6 */ 1765716c1805SNattuvetty Bhavyan adn_len = (ident_len + 3) & ~ 3; 1766716c1805SNattuvetty Bhavyan tptid_sz = sizeof (iscsi_transport_id_t) - 1 + adn_len; 1767716c1805SNattuvetty Bhavyan ss->ss_rport = stmf_remote_port_alloc(tptid_sz); 1768716c1805SNattuvetty Bhavyan ss->ss_rport->rport_tptid->protocol_id = PROTOCOL_iSCSI; 1769716c1805SNattuvetty Bhavyan ss->ss_rport->rport_tptid->format_code = 0; 1770716c1805SNattuvetty Bhavyan iscsi_tptid = (iscsi_transport_id_t *)ss->ss_rport->rport_tptid; 1771716c1805SNattuvetty Bhavyan SCSI_WRITE16(&iscsi_tptid->add_len, adn_len); 1772716c1805SNattuvetty Bhavyan (void) strlcpy((char *)iscsi_tptid->iscsi_name, 1773716c1805SNattuvetty Bhavyan ist->ist_initiator_name, ident_len); 1774716c1805SNattuvetty Bhavyan 1775a6d42e7dSPeter Dunlap ss->ss_lport = ist->ist_lport; 1776a6d42e7dSPeter Dunlap 1777a6d42e7dSPeter Dunlap if (stmf_register_scsi_session(ict->ict_sess->ist_lport, ss) != 1778a6d42e7dSPeter Dunlap STMF_SUCCESS) { 1779a6d42e7dSPeter Dunlap mutex_exit(&ist->ist_tgt->target_mutex); 1780a6d42e7dSPeter Dunlap kmem_free(ss->ss_rport_id, 1781a6d42e7dSPeter Dunlap sizeof (scsi_devid_desc_t) + 1782a6d42e7dSPeter Dunlap strlen(ist->ist_initiator_name) + 1); 1783716c1805SNattuvetty Bhavyan stmf_remote_port_free(ss->ss_rport); 1784a6d42e7dSPeter Dunlap stmf_free(ss); 1785a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, ISCSI_STATUS_CLASS_TARGET_ERR, 1786a6d42e7dSPeter Dunlap ISCSI_LOGIN_STATUS_TARGET_ERROR); 1787a6d42e7dSPeter Dunlap return (IDM_STATUS_FAIL); 1788a6d42e7dSPeter Dunlap } 1789a6d42e7dSPeter Dunlap 1790a6d42e7dSPeter Dunlap ss->ss_port_private = ict->ict_sess; 1791a6d42e7dSPeter Dunlap ict->ict_sess->ist_stmf_sess = ss; 1792a6d42e7dSPeter Dunlap mutex_exit(&ist->ist_tgt->target_mutex); 1793a6d42e7dSPeter Dunlap 1794a6d42e7dSPeter Dunlap return (IDM_STATUS_SUCCESS); 1795a6d42e7dSPeter Dunlap } 1796a6d42e7dSPeter Dunlap 1797a6d42e7dSPeter Dunlap 1798a6d42e7dSPeter Dunlap static idm_status_t 1799a6d42e7dSPeter Dunlap login_sm_req_pdu_check(iscsit_conn_t *ict, idm_pdu_t *pdu) 1800a6d42e7dSPeter Dunlap { 1801a6d42e7dSPeter Dunlap uint8_t csg_req; 1802a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 1803a6d42e7dSPeter Dunlap iscsi_login_hdr_t *lh = (iscsi_login_hdr_t *)pdu->isp_hdr; 1804a6d42e7dSPeter Dunlap iscsi_login_rsp_hdr_t *lh_resp = lsm->icl_login_resp_tmpl; 1805a6d42e7dSPeter Dunlap 1806a6d42e7dSPeter Dunlap /* 1807a6d42e7dSPeter Dunlap * Check CSG 1808a6d42e7dSPeter Dunlap */ 1809a6d42e7dSPeter Dunlap csg_req = ISCSI_LOGIN_CURRENT_STAGE(lh->flags); 1810a6d42e7dSPeter Dunlap switch (csg_req) { 1811a6d42e7dSPeter Dunlap case ISCSI_SECURITY_NEGOTIATION_STAGE: 1812a6d42e7dSPeter Dunlap case ISCSI_OP_PARMS_NEGOTIATION_STAGE: 1813a6d42e7dSPeter Dunlap if ((csg_req != lsm->icl_login_csg) && 1814a6d42e7dSPeter Dunlap (lsm->icl_login_state != ILS_LOGIN_INIT)) { 1815a6d42e7dSPeter Dunlap /* 1816a6d42e7dSPeter Dunlap * Inappropriate CSG change. Initiator can only 1817a6d42e7dSPeter Dunlap * change CSG after we've responded with the 1818a6d42e7dSPeter Dunlap * transit bit set. If we had responded with 1819a6d42e7dSPeter Dunlap * a CSG change previous we would have updated 1820a6d42e7dSPeter Dunlap * our copy of CSG. 1821a6d42e7dSPeter Dunlap * 1822a6d42e7dSPeter Dunlap * The exception is when we are in ILS_LOGIN_INIT 1823a6d42e7dSPeter Dunlap * state since we haven't determined our initial 1824a6d42e7dSPeter Dunlap * CSG value yet. 1825a6d42e7dSPeter Dunlap */ 1826a6d42e7dSPeter Dunlap goto pdu_check_fail; 1827a6d42e7dSPeter Dunlap } 1828a6d42e7dSPeter Dunlap break; 1829a6d42e7dSPeter Dunlap case ISCSI_FULL_FEATURE_PHASE: 1830a6d42e7dSPeter Dunlap default: 1831a6d42e7dSPeter Dunlap goto pdu_check_fail; 1832a6d42e7dSPeter Dunlap } 1833a6d42e7dSPeter Dunlap 1834a6d42e7dSPeter Dunlap /* 1835a6d42e7dSPeter Dunlap * If this is the first login PDU for a new connection then 1836a6d42e7dSPeter Dunlap * the session will be NULL. 1837a6d42e7dSPeter Dunlap */ 1838a6d42e7dSPeter Dunlap if (ict->ict_sess != NULL) { 1839a6d42e7dSPeter Dunlap /* 1840a6d42e7dSPeter Dunlap * We've already created a session on a previous PDU. Make 1841a6d42e7dSPeter Dunlap * sure this PDU is consistent with what we've already seen 1842a6d42e7dSPeter Dunlap */ 1843a6d42e7dSPeter Dunlap if ((ict->ict_cid != ntohs(lh->cid)) || 1844a6d42e7dSPeter Dunlap (bcmp(ict->ict_sess->ist_isid, lh->isid, 1845a6d42e7dSPeter Dunlap ISCSI_ISID_LEN) != 0)) { 1846a6d42e7dSPeter Dunlap goto pdu_check_fail; 1847a6d42e7dSPeter Dunlap } 1848a6d42e7dSPeter Dunlap } 1849a6d42e7dSPeter Dunlap 1850a6d42e7dSPeter Dunlap /* 1851a6d42e7dSPeter Dunlap * Make sure we are compatible with the version range 1852a6d42e7dSPeter Dunlap */ 1853a6d42e7dSPeter Dunlap #if (ISCSIT_MAX_VERSION > 0) 1854a6d42e7dSPeter Dunlap if ((lh->min_version > ISCSIT_MAX_VERSION) || 1855a6d42e7dSPeter Dunlap (lh->max_version < ISCSIT_MIN_VERSION)) { 1856a6d42e7dSPeter Dunlap goto pdu_check_fail; 1857a6d42e7dSPeter Dunlap } 1858a6d42e7dSPeter Dunlap #endif 1859a6d42e7dSPeter Dunlap 1860a6d42e7dSPeter Dunlap /* 1861a6d42e7dSPeter Dunlap * Just in case the initiator changes things up on us along the way 1862a6d42e7dSPeter Dunlap * check against our active_version -- we can't change the active 1863a6d42e7dSPeter Dunlap * version and the initiator is not *supposed* to change its 1864a6d42e7dSPeter Dunlap * min_version and max_version values so this should never happen. 1865a6d42e7dSPeter Dunlap * Of course we only do this if the response header template has 1866a6d42e7dSPeter Dunlap * been built. 1867a6d42e7dSPeter Dunlap */ 1868a6d42e7dSPeter Dunlap if ((lh_resp->opcode == ISCSI_OP_LOGIN_RSP) && /* header valid */ 1869a6d42e7dSPeter Dunlap ((lh->min_version > lh_resp->active_version) || 1870a6d42e7dSPeter Dunlap (lh->max_version < lh_resp->active_version))) { 1871a6d42e7dSPeter Dunlap goto pdu_check_fail; 1872a6d42e7dSPeter Dunlap } 1873a6d42e7dSPeter Dunlap 1874a6d42e7dSPeter Dunlap return (IDM_STATUS_SUCCESS); 1875a6d42e7dSPeter Dunlap 1876a6d42e7dSPeter Dunlap pdu_check_fail: 1877a6d42e7dSPeter Dunlap return (IDM_STATUS_FAIL); 1878a6d42e7dSPeter Dunlap } 1879a6d42e7dSPeter Dunlap 1880a6d42e7dSPeter Dunlap static idm_status_t 1881a6d42e7dSPeter Dunlap login_sm_process_nvlist(iscsit_conn_t *ict) 1882a6d42e7dSPeter Dunlap { 1883a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 1884a6d42e7dSPeter Dunlap char *nvp_name; 1885a6d42e7dSPeter Dunlap nvpair_t *nvp; 1886a6d42e7dSPeter Dunlap nvpair_t *next_nvp; 1887a6d42e7dSPeter Dunlap nvpair_t *negotiated_nvp; 1888a6d42e7dSPeter Dunlap kv_status_t kvrc; 1889a6d42e7dSPeter Dunlap uint8_t error_class; 1890a6d42e7dSPeter Dunlap uint8_t error_detail; 1891a6d42e7dSPeter Dunlap idm_status_t idm_status; 1892a6d42e7dSPeter Dunlap 1893a6d42e7dSPeter Dunlap error_class = ISCSI_STATUS_CLASS_SUCCESS; 1894a6d42e7dSPeter Dunlap error_detail = ISCSI_LOGIN_STATUS_ACCEPT; 1895a6d42e7dSPeter Dunlap 1896a6d42e7dSPeter Dunlap /* First, request that the transport process the list */ 1897a6d42e7dSPeter Dunlap kvrc = idm_negotiate_key_values(ict->ict_ic, lsm->icl_request_nvlist, 1898a6d42e7dSPeter Dunlap lsm->icl_response_nvlist, lsm->icl_negotiated_values); 1899a6d42e7dSPeter Dunlap idm_kvstat_to_error(kvrc, &error_class, &error_detail); 1900a6d42e7dSPeter Dunlap if (error_class != ISCSI_STATUS_CLASS_SUCCESS) { 1901a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 1902a6d42e7dSPeter Dunlap idm_status = IDM_STATUS_FAIL; 1903a6d42e7dSPeter Dunlap return (idm_status); 1904a6d42e7dSPeter Dunlap } 1905a6d42e7dSPeter Dunlap 1906a6d42e7dSPeter Dunlap /* Ensure we clear transit bit if the transport layer has countered */ 1907a6d42e7dSPeter Dunlap if (kvrc == KV_HANDLED_NO_TRANSIT) { 1908a6d42e7dSPeter Dunlap lsm->icl_login_transit = B_FALSE; 1909a6d42e7dSPeter Dunlap } 1910a6d42e7dSPeter Dunlap 191178264421SCharles Ting /* Prepend the declarative params */ 191278264421SCharles Ting if (!ict->ict_op.op_declarative_params_set && 191378264421SCharles Ting lsm->icl_login_csg == ISCSI_OP_PARMS_NEGOTIATION_STAGE) { 191478264421SCharles Ting if (iscsit_add_declarative_keys(ict) != IDM_STATUS_SUCCESS) { 191578264421SCharles Ting idm_status = IDM_STATUS_FAIL; 191678264421SCharles Ting return (idm_status); 191778264421SCharles Ting } 191878264421SCharles Ting ict->ict_op.op_declarative_params_set = B_TRUE; 191978264421SCharles Ting } 192078264421SCharles Ting 1921a6d42e7dSPeter Dunlap /* Now, move on and process the rest of the pairs */ 1922a6d42e7dSPeter Dunlap nvp = nvlist_next_nvpair(lsm->icl_request_nvlist, NULL); 1923a6d42e7dSPeter Dunlap while (nvp != NULL) { 1924a6d42e7dSPeter Dunlap next_nvp = nvlist_next_nvpair(lsm->icl_request_nvlist, nvp); 1925a6d42e7dSPeter Dunlap nvp_name = nvpair_name(nvp); 1926a6d42e7dSPeter Dunlap /* 1927a6d42e7dSPeter Dunlap * If we've already agreed upon a value then make sure this 1928a6d42e7dSPeter Dunlap * is not attempting to change that value. From RFC3270 1929a6d42e7dSPeter Dunlap * section 5.3: 1930a6d42e7dSPeter Dunlap * 1931a6d42e7dSPeter Dunlap * "Neither the initiator nor the target should attempt to 1932a6d42e7dSPeter Dunlap * declare or negotiate a parameter more than once during 1933a6d42e7dSPeter Dunlap * login except for responses to specific keys that 1934a6d42e7dSPeter Dunlap * explicitly allow repeated key declarations (e.g., 1935a6d42e7dSPeter Dunlap * TargetAddress). An attempt to renegotiate/redeclare 1936a6d42e7dSPeter Dunlap * parameters not specifically allowed MUST be detected 1937a6d42e7dSPeter Dunlap * by the initiator and target. If such an attempt is 1938a6d42e7dSPeter Dunlap * detected by the target, the target MUST respond 1939a6d42e7dSPeter Dunlap * with Login reject (initiator error); ..." 1940a6d42e7dSPeter Dunlap */ 1941a6d42e7dSPeter Dunlap if (nvlist_lookup_nvpair(lsm->icl_negotiated_values, 1942a6d42e7dSPeter Dunlap nvp_name, &negotiated_nvp) == 0) { 1943a6d42e7dSPeter Dunlap kvrc = KV_HANDLED; 1944a6d42e7dSPeter Dunlap } else { 1945a6d42e7dSPeter Dunlap kvrc = iscsit_handle_key(ict, nvp, nvp_name); 1946a6d42e7dSPeter Dunlap } 1947a6d42e7dSPeter Dunlap 1948a6d42e7dSPeter Dunlap idm_kvstat_to_error(kvrc, &error_class, &error_detail); 1949a6d42e7dSPeter Dunlap if (error_class != ISCSI_STATUS_CLASS_SUCCESS) { 1950a6d42e7dSPeter Dunlap break; 1951a6d42e7dSPeter Dunlap } 1952a6d42e7dSPeter Dunlap 1953a6d42e7dSPeter Dunlap nvp = next_nvp; 1954a6d42e7dSPeter Dunlap } 1955a6d42e7dSPeter Dunlap 1956a6d42e7dSPeter Dunlap if (error_class == ISCSI_STATUS_CLASS_SUCCESS) { 1957a6d42e7dSPeter Dunlap idm_status = IDM_STATUS_SUCCESS; 1958a6d42e7dSPeter Dunlap } else { 1959a6d42e7dSPeter Dunlap /* supply login class/detail for login errors */ 1960a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 1961a6d42e7dSPeter Dunlap idm_status = IDM_STATUS_FAIL; 1962a6d42e7dSPeter Dunlap } 1963a6d42e7dSPeter Dunlap 1964a6d42e7dSPeter Dunlap return (idm_status); 1965a6d42e7dSPeter Dunlap } 1966a6d42e7dSPeter Dunlap 1967a6d42e7dSPeter Dunlap static idm_status_t 1968a6d42e7dSPeter Dunlap login_sm_check_security(iscsit_conn_t *ict) 1969a6d42e7dSPeter Dunlap { 1970a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 1971a6d42e7dSPeter Dunlap conn_auth_t *auth = &lsm->icl_auth; 1972a6d42e7dSPeter Dunlap iscsit_auth_method_t *am_list = &auth->ca_method_valid_list[0]; 1973a6d42e7dSPeter Dunlap kv_status_t kvrc; 1974a6d42e7dSPeter Dunlap uint8_t error_class; 1975a6d42e7dSPeter Dunlap uint8_t error_detail; 1976a6d42e7dSPeter Dunlap idm_status_t idm_status; 1977a6d42e7dSPeter Dunlap 1978a6d42e7dSPeter Dunlap error_class = ISCSI_STATUS_CLASS_SUCCESS; 1979a6d42e7dSPeter Dunlap error_detail = ISCSI_LOGIN_STATUS_ACCEPT; 1980a6d42e7dSPeter Dunlap 1981a6d42e7dSPeter Dunlap /* Check authentication status. */ 1982a6d42e7dSPeter Dunlap if (lsm->icl_login_csg == ISCSI_SECURITY_NEGOTIATION_STAGE) { 1983a6d42e7dSPeter Dunlap /* 1984a6d42e7dSPeter Dunlap * We should have some authentication key/value pair(s) 1985a6d42e7dSPeter Dunlap * received from initiator and the authentication phase 1986a6d42e7dSPeter Dunlap * has been shifted when the key/value pair(s) are being 1987a6d42e7dSPeter Dunlap * handled in the previous call iscsit_handle_security_key. 1988a6d42e7dSPeter Dunlap * Now it turns to target to check the authentication phase 1989a6d42e7dSPeter Dunlap * and shift it after taking some authentication action. 1990a6d42e7dSPeter Dunlap */ 1991a6d42e7dSPeter Dunlap kvrc = iscsit_reply_security_key(ict); 1992a6d42e7dSPeter Dunlap idm_kvstat_to_error(kvrc, &error_class, &error_detail); 1993a6d42e7dSPeter Dunlap } else if (!ict->ict_login_sm.icl_auth_pass) { 1994a6d42e7dSPeter Dunlap /* 1995a6d42e7dSPeter Dunlap * Check to see if the target allows initiators to bypass the 1996a6d42e7dSPeter Dunlap * security check. If the target is configured to require 1997a6d42e7dSPeter Dunlap * authentication, we reject the connection. 1998a6d42e7dSPeter Dunlap */ 1999a6d42e7dSPeter Dunlap if (am_list[0] == AM_NONE || am_list[0] == 0) { 2000a6d42e7dSPeter Dunlap ict->ict_login_sm.icl_auth_pass = 1; 2001a6d42e7dSPeter Dunlap } else { 2002a6d42e7dSPeter Dunlap error_class = ISCSI_STATUS_CLASS_INITIATOR_ERR; 2003a6d42e7dSPeter Dunlap error_detail = ISCSI_LOGIN_STATUS_AUTH_FAILED; 2004a6d42e7dSPeter Dunlap } 2005a6d42e7dSPeter Dunlap } 2006a6d42e7dSPeter Dunlap 2007a6d42e7dSPeter Dunlap if (error_class == ISCSI_STATUS_CLASS_SUCCESS) { 2008a6d42e7dSPeter Dunlap idm_status = IDM_STATUS_SUCCESS; 2009a6d42e7dSPeter Dunlap } else { 2010a6d42e7dSPeter Dunlap /* supply login class/detail for login errors */ 2011a6d42e7dSPeter Dunlap SET_LOGIN_ERROR(ict, error_class, error_detail); 2012a6d42e7dSPeter Dunlap idm_status = IDM_STATUS_FAIL; 2013a6d42e7dSPeter Dunlap } 2014a6d42e7dSPeter Dunlap 2015a6d42e7dSPeter Dunlap return (idm_status); 2016a6d42e7dSPeter Dunlap } 2017a6d42e7dSPeter Dunlap 20184142b486SJames Moore static idm_pdu_t * 2019a6d42e7dSPeter Dunlap login_sm_build_login_response(iscsit_conn_t *ict) 2020a6d42e7dSPeter Dunlap { 2021a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2022a6d42e7dSPeter Dunlap iscsi_login_rsp_hdr_t *lh; 2023a6d42e7dSPeter Dunlap int transit, text_transit = 1; 20244142b486SJames Moore idm_pdu_t *login_resp; 2025a6d42e7dSPeter Dunlap 2026a6d42e7dSPeter Dunlap /* 20274142b486SJames Moore * Create a response PDU and fill it with as much of 20284142b486SJames Moore * the response text that will fit. 2029a6d42e7dSPeter Dunlap */ 2030a6d42e7dSPeter Dunlap 20314142b486SJames Moore if (lsm->icl_login_resp_itb) { 20324142b486SJames Moore /* allocate a pdu with space for text */ 20334142b486SJames Moore login_resp = idm_pdu_alloc(sizeof (iscsi_hdr_t), 20344142b486SJames Moore ISCSI_DEFAULT_MAX_RECV_SEG_LEN); 20354142b486SJames Moore /* copy a chunk of text into the pdu */ 20364142b486SJames Moore lsm->icl_login_resp_buf = idm_pdu_init_text_data( 20374142b486SJames Moore login_resp, lsm->icl_login_resp_itb, 20384142b486SJames Moore ISCSI_DEFAULT_MAX_RECV_SEG_LEN, 20394142b486SJames Moore lsm->icl_login_resp_buf, &text_transit); 20404142b486SJames Moore if (text_transit) { 20414142b486SJames Moore /* text buf has been consumed */ 20424142b486SJames Moore idm_itextbuf_free(lsm->icl_login_resp_itb); 20434142b486SJames Moore lsm->icl_login_resp_itb = NULL; 20444142b486SJames Moore lsm->icl_login_resp_buf = NULL; 2045a6d42e7dSPeter Dunlap } 2046a6d42e7dSPeter Dunlap } else { 20474142b486SJames Moore /* allocate a pdu for just a header */ 20484142b486SJames Moore login_resp = idm_pdu_alloc(sizeof (iscsi_hdr_t), 0); 2049a6d42e7dSPeter Dunlap } 20504142b486SJames Moore /* finish initializing the pdu */ 20514142b486SJames Moore idm_pdu_init(login_resp, 20524142b486SJames Moore ict->ict_ic, ict, login_resp_complete_cb); 20534142b486SJames Moore login_resp->isp_flags |= IDM_PDU_LOGIN_TX; 2054a6d42e7dSPeter Dunlap 2055a6d42e7dSPeter Dunlap /* 2056a6d42e7dSPeter Dunlap * Use the BHS header values from the response template 2057a6d42e7dSPeter Dunlap */ 2058a6d42e7dSPeter Dunlap bcopy(lsm->icl_login_resp_tmpl, 20594142b486SJames Moore login_resp->isp_hdr, sizeof (iscsi_login_rsp_hdr_t)); 2060a6d42e7dSPeter Dunlap 20614142b486SJames Moore lh = (iscsi_login_rsp_hdr_t *)login_resp->isp_hdr; 2062a6d42e7dSPeter Dunlap 2063a6d42e7dSPeter Dunlap /* Set error class/detail */ 2064a6d42e7dSPeter Dunlap lh->status_class = lsm->icl_login_resp_err_class; 2065a6d42e7dSPeter Dunlap lh->status_detail = lsm->icl_login_resp_err_detail; 2066a6d42e7dSPeter Dunlap /* Set CSG, NSG and Transit */ 2067a6d42e7dSPeter Dunlap lh->flags = 0; 2068a6d42e7dSPeter Dunlap lh->flags |= lsm->icl_login_csg << 2; 2069a6d42e7dSPeter Dunlap 2070a6d42e7dSPeter Dunlap 2071a6d42e7dSPeter Dunlap if (lh->status_class == ISCSI_STATUS_CLASS_SUCCESS) { 2072a6d42e7dSPeter Dunlap if (lsm->icl_login_transit && 2073a6d42e7dSPeter Dunlap lsm->icl_auth_pass != 0) { 2074a6d42e7dSPeter Dunlap transit = 1; 2075a6d42e7dSPeter Dunlap } else { 2076a6d42e7dSPeter Dunlap transit = 0; 2077a6d42e7dSPeter Dunlap } 2078a6d42e7dSPeter Dunlap /* 2079a6d42e7dSPeter Dunlap * inititalize the text data 2080a6d42e7dSPeter Dunlap */ 2081a6d42e7dSPeter Dunlap if (transit == 1 && text_transit == 1) { 2082a6d42e7dSPeter Dunlap lh->flags |= lsm->icl_login_nsg; 2083a6d42e7dSPeter Dunlap lsm->icl_login_csg = lsm->icl_login_nsg; 2084a6d42e7dSPeter Dunlap lh->flags |= ISCSI_FLAG_LOGIN_TRANSIT; 2085a6d42e7dSPeter Dunlap } else { 2086a6d42e7dSPeter Dunlap lh->flags &= ~ISCSI_FLAG_LOGIN_TRANSIT; 2087a6d42e7dSPeter Dunlap } 2088a6d42e7dSPeter Dunlap 2089a6d42e7dSPeter Dunlap /* If we are transitioning to FFP then set TSIH */ 2090a6d42e7dSPeter Dunlap if (transit && (lh->flags & ISCSI_FLAG_LOGIN_TRANSIT) && 2091a6d42e7dSPeter Dunlap lsm->icl_login_csg == ISCSI_FULL_FEATURE_PHASE) { 2092a6d42e7dSPeter Dunlap lh->tsid = htons(ict->ict_sess->ist_tsih); 2093a6d42e7dSPeter Dunlap } 2094a6d42e7dSPeter Dunlap } else { 20954142b486SJames Moore login_resp->isp_data = 0; 20964142b486SJames Moore login_resp->isp_datalen = 0; 2097a6d42e7dSPeter Dunlap } 20984142b486SJames Moore return (login_resp); 2099a6d42e7dSPeter Dunlap } 2100a6d42e7dSPeter Dunlap 2101a6d42e7dSPeter Dunlap static kv_status_t 2102a6d42e7dSPeter Dunlap iscsit_handle_key(iscsit_conn_t *ict, nvpair_t *nvp, char *nvp_name) 2103a6d42e7dSPeter Dunlap { 2104a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2105a6d42e7dSPeter Dunlap kv_status_t kvrc; 2106a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx; 2107a6d42e7dSPeter Dunlap 2108a6d42e7dSPeter Dunlap ikvx = idm_lookup_kv_xlate(nvp_name, strlen(nvp_name)); 2109a6d42e7dSPeter Dunlap if (ikvx->ik_key_id == KI_MAX_KEY) { 2110a6d42e7dSPeter Dunlap /* 2111a6d42e7dSPeter Dunlap * Any key not understood by the acceptor may be igonred 2112a6d42e7dSPeter Dunlap * by the acceptor without affecting the basic function. 2113a6d42e7dSPeter Dunlap * However, the answer for a key not understood MUST be 2114a6d42e7dSPeter Dunlap * key=NotUnderstood. 2115a6d42e7dSPeter Dunlap */ 2116a6d42e7dSPeter Dunlap kvrc = iscsit_reply_string(ict, nvp_name, 2117a6d42e7dSPeter Dunlap ISCSI_TEXT_NOTUNDERSTOOD); 2118a6d42e7dSPeter Dunlap } else { 2119a6d42e7dSPeter Dunlap kvrc = iscsit_handle_common_key(ict, nvp, ikvx); 2120a6d42e7dSPeter Dunlap if (kvrc == KV_UNHANDLED) { 2121a6d42e7dSPeter Dunlap switch (lsm->icl_login_csg) { 2122a6d42e7dSPeter Dunlap case ISCSI_SECURITY_NEGOTIATION_STAGE: 2123a6d42e7dSPeter Dunlap kvrc = iscsit_handle_security_key( 2124a6d42e7dSPeter Dunlap ict, nvp, ikvx); 2125a6d42e7dSPeter Dunlap break; 2126a6d42e7dSPeter Dunlap case ISCSI_OP_PARMS_NEGOTIATION_STAGE: 2127a6d42e7dSPeter Dunlap kvrc = iscsit_handle_operational_key( 2128a6d42e7dSPeter Dunlap ict, nvp, ikvx); 2129a6d42e7dSPeter Dunlap break; 2130a6d42e7dSPeter Dunlap case ISCSI_FULL_FEATURE_PHASE: 2131a6d42e7dSPeter Dunlap default: 2132a6d42e7dSPeter Dunlap /* What are we doing here? */ 2133a6d42e7dSPeter Dunlap ASSERT(0); 2134a6d42e7dSPeter Dunlap kvrc = KV_UNHANDLED; 2135a6d42e7dSPeter Dunlap } 2136a6d42e7dSPeter Dunlap } 2137a6d42e7dSPeter Dunlap } 2138a6d42e7dSPeter Dunlap 2139a6d42e7dSPeter Dunlap return (kvrc); 2140a6d42e7dSPeter Dunlap } 2141a6d42e7dSPeter Dunlap 2142a6d42e7dSPeter Dunlap static kv_status_t 2143a6d42e7dSPeter Dunlap iscsit_handle_common_key(iscsit_conn_t *ict, nvpair_t *nvp, 2144a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx) 2145a6d42e7dSPeter Dunlap { 2146a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2147a6d42e7dSPeter Dunlap kv_status_t kvrc; 2148a6d42e7dSPeter Dunlap char *string_val; 2149a6d42e7dSPeter Dunlap int nvrc; 2150a6d42e7dSPeter Dunlap 2151a6d42e7dSPeter Dunlap switch (ikvx->ik_key_id) { 2152a6d42e7dSPeter Dunlap case KI_INITIATOR_NAME: 2153a6d42e7dSPeter Dunlap case KI_INITIATOR_ALIAS: 2154a6d42e7dSPeter Dunlap nvrc = nvlist_add_nvpair(lsm->icl_negotiated_values, nvp); 2155a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2156a6d42e7dSPeter Dunlap break; 2157a6d42e7dSPeter Dunlap case KI_TARGET_NAME: 2158a6d42e7dSPeter Dunlap /* We'll validate the target during login_sm_session_bind() */ 2159a6d42e7dSPeter Dunlap nvrc = nvpair_value_string(nvp, &string_val); 2160a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); /* We built this nvlist */ 2161a6d42e7dSPeter Dunlap 2162a6d42e7dSPeter Dunlap nvrc = nvlist_add_nvpair(lsm->icl_negotiated_values, nvp); 2163a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2164a6d42e7dSPeter Dunlap break; 2165a6d42e7dSPeter Dunlap case KI_TARGET_ALIAS: 2166a6d42e7dSPeter Dunlap case KI_TARGET_ADDRESS: 2167a6d42e7dSPeter Dunlap case KI_TARGET_PORTAL_GROUP_TAG: 2168a6d42e7dSPeter Dunlap kvrc = KV_TARGET_ONLY; /* Only the target can declare this */ 2169a6d42e7dSPeter Dunlap break; 2170a6d42e7dSPeter Dunlap case KI_SESSION_TYPE: 2171a6d42e7dSPeter Dunlap /* 2172a6d42e7dSPeter Dunlap * If we don't receive this key on the initial login 2173a6d42e7dSPeter Dunlap * we assume this is a normal session. 2174a6d42e7dSPeter Dunlap */ 2175a6d42e7dSPeter Dunlap nvrc = nvlist_add_nvpair(lsm->icl_negotiated_values, nvp); 2176a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2177a6d42e7dSPeter Dunlap nvrc = nvpair_value_string(nvp, &string_val); 2178a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); /* We built this nvlist */ 2179a6d42e7dSPeter Dunlap ict->ict_op.op_discovery_session = 2180a6d42e7dSPeter Dunlap strcmp(string_val, "Discovery") == 0 ? B_TRUE : B_FALSE; 2181a6d42e7dSPeter Dunlap break; 2182a6d42e7dSPeter Dunlap default: 2183a6d42e7dSPeter Dunlap /* 2184a6d42e7dSPeter Dunlap * This is not really an error but we should 2185a6d42e7dSPeter Dunlap * leave this nvpair on the list since we 2186a6d42e7dSPeter Dunlap * didn't do anything with it. Either 2187a6d42e7dSPeter Dunlap * the security or operational phase 2188a6d42e7dSPeter Dunlap * handling functions should process it. 2189a6d42e7dSPeter Dunlap */ 2190a6d42e7dSPeter Dunlap kvrc = KV_UNHANDLED; 2191a6d42e7dSPeter Dunlap break; 2192a6d42e7dSPeter Dunlap } 2193a6d42e7dSPeter Dunlap 2194a6d42e7dSPeter Dunlap return (kvrc); 2195a6d42e7dSPeter Dunlap } 2196a6d42e7dSPeter Dunlap 2197a6d42e7dSPeter Dunlap static kv_status_t 2198a6d42e7dSPeter Dunlap iscsit_handle_security_key(iscsit_conn_t *ict, nvpair_t *nvp, 2199a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx) 2200a6d42e7dSPeter Dunlap { 2201a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2202a6d42e7dSPeter Dunlap iscsit_auth_client_t *client = &lsm->icl_auth_client; 2203a6d42e7dSPeter Dunlap iscsikey_id_t kv_id; 2204a6d42e7dSPeter Dunlap kv_status_t kvrc; 2205a6d42e7dSPeter Dunlap iscsit_auth_handler_t handler; 2206a6d42e7dSPeter Dunlap 2207a6d42e7dSPeter Dunlap /* 2208a6d42e7dSPeter Dunlap * After all of security keys are handled, this function will 2209a6d42e7dSPeter Dunlap * be called again to verify current authentication status 2210a6d42e7dSPeter Dunlap * and perform some actual authentication work. At this time, 2211a6d42e7dSPeter Dunlap * the nvp and ikvx will be passed in as NULLs. 2212a6d42e7dSPeter Dunlap */ 2213a6d42e7dSPeter Dunlap if (ikvx != NULL) { 2214a6d42e7dSPeter Dunlap kv_id = ikvx->ik_key_id; 2215a6d42e7dSPeter Dunlap } else { 2216a6d42e7dSPeter Dunlap kv_id = 0; 2217a6d42e7dSPeter Dunlap } 2218a6d42e7dSPeter Dunlap 2219a6d42e7dSPeter Dunlap handler = iscsit_auth_get_handler(client, kv_id); 2220a6d42e7dSPeter Dunlap if (handler) { 2221a6d42e7dSPeter Dunlap kvrc = handler(ict, nvp, ikvx); 2222a6d42e7dSPeter Dunlap } else { 2223a6d42e7dSPeter Dunlap kvrc = KV_UNHANDLED; /* invalid request */ 2224a6d42e7dSPeter Dunlap } 2225a6d42e7dSPeter Dunlap 2226a6d42e7dSPeter Dunlap return (kvrc); 2227a6d42e7dSPeter Dunlap } 2228a6d42e7dSPeter Dunlap 2229a6d42e7dSPeter Dunlap static kv_status_t 2230a6d42e7dSPeter Dunlap iscsit_reply_security_key(iscsit_conn_t *ict) 2231a6d42e7dSPeter Dunlap { 2232a6d42e7dSPeter Dunlap return (iscsit_handle_security_key(ict, NULL, NULL)); 2233a6d42e7dSPeter Dunlap } 2234a6d42e7dSPeter Dunlap 2235a6d42e7dSPeter Dunlap static kv_status_t 2236a6d42e7dSPeter Dunlap iscsit_handle_operational_key(iscsit_conn_t *ict, nvpair_t *nvp, 2237a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx) 2238a6d42e7dSPeter Dunlap { 2239a6d42e7dSPeter Dunlap kv_status_t kvrc = KV_UNHANDLED; 2240a6d42e7dSPeter Dunlap boolean_t bool_val; 2241a6d42e7dSPeter Dunlap uint64_t num_val; 2242a6d42e7dSPeter Dunlap int nvrc; 2243a6d42e7dSPeter Dunlap 2244a6d42e7dSPeter Dunlap /* 2245a6d42e7dSPeter Dunlap * Retrieve values. All value lookups are expected to succeed 2246a6d42e7dSPeter Dunlap * since we build the nvlist while decoding the text buffer. This 2247a6d42e7dSPeter Dunlap * step is intended to eliminate some duplication of code (for example 2248a6d42e7dSPeter Dunlap * we only need to code the numerical value lookup once). We will 2249a6d42e7dSPeter Dunlap * handle the values (if necessary) below. 2250a6d42e7dSPeter Dunlap */ 2251a6d42e7dSPeter Dunlap switch (ikvx->ik_key_id) { 2252a6d42e7dSPeter Dunlap /* Lists */ 2253a6d42e7dSPeter Dunlap case KI_HEADER_DIGEST: 2254a6d42e7dSPeter Dunlap case KI_DATA_DIGEST: 2255a6d42e7dSPeter Dunlap break; 2256a6d42e7dSPeter Dunlap /* Booleans */ 2257a6d42e7dSPeter Dunlap case KI_INITIAL_R2T: 2258a6d42e7dSPeter Dunlap case KI_IMMEDIATE_DATA: 2259a6d42e7dSPeter Dunlap case KI_DATA_PDU_IN_ORDER: 2260a6d42e7dSPeter Dunlap case KI_DATA_SEQUENCE_IN_ORDER: 2261a6d42e7dSPeter Dunlap case KI_IFMARKER: 2262a6d42e7dSPeter Dunlap case KI_OFMARKER: 2263a6d42e7dSPeter Dunlap nvrc = nvpair_value_boolean_value(nvp, &bool_val); 2264a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); /* We built this nvlist */ 2265a6d42e7dSPeter Dunlap break; 2266a6d42e7dSPeter Dunlap /* Numericals */ 2267a6d42e7dSPeter Dunlap case KI_MAX_CONNECTIONS: 2268a6d42e7dSPeter Dunlap case KI_MAX_RECV_DATA_SEGMENT_LENGTH: 2269a6d42e7dSPeter Dunlap case KI_MAX_BURST_LENGTH: 2270a6d42e7dSPeter Dunlap case KI_FIRST_BURST_LENGTH: 2271a6d42e7dSPeter Dunlap case KI_DEFAULT_TIME_2_WAIT: 2272a6d42e7dSPeter Dunlap case KI_DEFAULT_TIME_2_RETAIN: 2273a6d42e7dSPeter Dunlap case KI_MAX_OUTSTANDING_R2T: 2274a6d42e7dSPeter Dunlap case KI_ERROR_RECOVERY_LEVEL: 2275a6d42e7dSPeter Dunlap nvrc = nvpair_value_uint64(nvp, &num_val); 2276a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2277a6d42e7dSPeter Dunlap break; 2278a6d42e7dSPeter Dunlap /* Ranges */ 2279a6d42e7dSPeter Dunlap case KI_OFMARKERINT: 2280a6d42e7dSPeter Dunlap case KI_IFMARKERINT: 2281a6d42e7dSPeter Dunlap break; 2282a6d42e7dSPeter Dunlap default: 2283a6d42e7dSPeter Dunlap break; 2284a6d42e7dSPeter Dunlap } 2285a6d42e7dSPeter Dunlap 2286a6d42e7dSPeter Dunlap /* 2287a6d42e7dSPeter Dunlap * Now handle the values according to the key name. Sometimes we 2288a6d42e7dSPeter Dunlap * don't care what the value is -- in that case we just add the nvpair 2289a6d42e7dSPeter Dunlap * to the negotiated values list. 2290a6d42e7dSPeter Dunlap */ 2291a6d42e7dSPeter Dunlap switch (ikvx->ik_key_id) { 2292a6d42e7dSPeter Dunlap case KI_HEADER_DIGEST: 2293a6d42e7dSPeter Dunlap kvrc = iscsit_handle_digest(ict, nvp, ikvx); 2294a6d42e7dSPeter Dunlap break; 2295a6d42e7dSPeter Dunlap case KI_DATA_DIGEST: 2296a6d42e7dSPeter Dunlap kvrc = iscsit_handle_digest(ict, nvp, ikvx); 2297a6d42e7dSPeter Dunlap break; 2298a6d42e7dSPeter Dunlap case KI_INITIAL_R2T: 2299a6d42e7dSPeter Dunlap /* We *require* INITIAL_R2T=yes */ 2300a6d42e7dSPeter Dunlap kvrc = iscsit_handle_boolean(ict, nvp, bool_val, ikvx, 2301a6d42e7dSPeter Dunlap B_TRUE); 2302a6d42e7dSPeter Dunlap break; 2303a6d42e7dSPeter Dunlap case KI_IMMEDIATE_DATA: 2304a6d42e7dSPeter Dunlap kvrc = iscsit_handle_boolean(ict, nvp, bool_val, ikvx, 2305263f58aaSPriya Krishnan bool_val); 2306a6d42e7dSPeter Dunlap break; 2307a6d42e7dSPeter Dunlap case KI_DATA_PDU_IN_ORDER: 2308a6d42e7dSPeter Dunlap kvrc = iscsit_handle_boolean(ict, nvp, bool_val, ikvx, 2309a6d42e7dSPeter Dunlap B_TRUE); 2310a6d42e7dSPeter Dunlap break; 2311a6d42e7dSPeter Dunlap case KI_DATA_SEQUENCE_IN_ORDER: 2312a6d42e7dSPeter Dunlap /* We allow any value for DATA_SEQUENCE_IN_ORDER */ 2313a6d42e7dSPeter Dunlap kvrc = iscsit_handle_boolean(ict, nvp, bool_val, ikvx, 2314a6d42e7dSPeter Dunlap bool_val); 2315a6d42e7dSPeter Dunlap break; 2316a6d42e7dSPeter Dunlap case KI_OFMARKER: 2317a6d42e7dSPeter Dunlap case KI_IFMARKER: 2318a6d42e7dSPeter Dunlap /* We don't support markers */ 2319a6d42e7dSPeter Dunlap kvrc = iscsit_handle_boolean(ict, nvp, bool_val, ikvx, 2320a6d42e7dSPeter Dunlap B_FALSE); 2321a6d42e7dSPeter Dunlap break; 2322a6d42e7dSPeter Dunlap case KI_MAX_CONNECTIONS: 2323a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2324a6d42e7dSPeter Dunlap ISCSI_MIN_CONNECTIONS, 2325a6d42e7dSPeter Dunlap ISCSI_MAX_CONNECTIONS, 2326a6d42e7dSPeter Dunlap ISCSIT_MAX_CONNECTIONS); 2327a6d42e7dSPeter Dunlap break; 232856261083SCharles Ting /* this is a declartive param */ 2329a6d42e7dSPeter Dunlap case KI_MAX_RECV_DATA_SEGMENT_LENGTH: 2330a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2331a6d42e7dSPeter Dunlap ISCSI_MIN_RECV_DATA_SEGMENT_LENGTH, 2332a6d42e7dSPeter Dunlap ISCSI_MAX_RECV_DATA_SEGMENT_LENGTH, 233356261083SCharles Ting ISCSI_MAX_RECV_DATA_SEGMENT_LENGTH); 2334a6d42e7dSPeter Dunlap break; 2335a6d42e7dSPeter Dunlap case KI_MAX_BURST_LENGTH: 2336a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2337a6d42e7dSPeter Dunlap ISCSI_MIN_MAX_BURST_LENGTH, 2338a6d42e7dSPeter Dunlap ISCSI_MAX_BURST_LENGTH, 2339a6d42e7dSPeter Dunlap ISCSIT_MAX_BURST_LENGTH); 2340a6d42e7dSPeter Dunlap break; 2341a6d42e7dSPeter Dunlap case KI_FIRST_BURST_LENGTH: 2342a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2343a6d42e7dSPeter Dunlap ISCSI_MIN_FIRST_BURST_LENGTH, 2344a6d42e7dSPeter Dunlap ISCSI_MAX_FIRST_BURST_LENGTH, 2345a6d42e7dSPeter Dunlap ISCSIT_MAX_FIRST_BURST_LENGTH); 2346a6d42e7dSPeter Dunlap break; 2347a6d42e7dSPeter Dunlap case KI_DEFAULT_TIME_2_WAIT: 2348a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2349a6d42e7dSPeter Dunlap ISCSI_MIN_TIME2WAIT, 2350a6d42e7dSPeter Dunlap ISCSI_MAX_TIME2WAIT, 2351a6d42e7dSPeter Dunlap ISCSIT_MAX_TIME2WAIT); 2352a6d42e7dSPeter Dunlap break; 2353a6d42e7dSPeter Dunlap case KI_DEFAULT_TIME_2_RETAIN: 2354a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2355a6d42e7dSPeter Dunlap ISCSI_MIN_TIME2RETAIN, 2356a6d42e7dSPeter Dunlap ISCSI_MAX_TIME2RETAIN, 2357a6d42e7dSPeter Dunlap ISCSIT_MAX_TIME2RETAIN); 2358a6d42e7dSPeter Dunlap break; 2359a6d42e7dSPeter Dunlap case KI_MAX_OUTSTANDING_R2T: 2360a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2361a6d42e7dSPeter Dunlap ISCSI_MIN_MAX_OUTSTANDING_R2T, 2362a6d42e7dSPeter Dunlap ISCSI_MAX_OUTSTANDING_R2T, 2363a6d42e7dSPeter Dunlap ISCSIT_MAX_OUTSTANDING_R2T); 2364a6d42e7dSPeter Dunlap break; 2365a6d42e7dSPeter Dunlap case KI_ERROR_RECOVERY_LEVEL: 2366a6d42e7dSPeter Dunlap kvrc = iscsit_handle_numerical(ict, nvp, num_val, ikvx, 2367a6d42e7dSPeter Dunlap ISCSI_MIN_ERROR_RECOVERY_LEVEL, 2368a6d42e7dSPeter Dunlap ISCSI_MAX_ERROR_RECOVERY_LEVEL, 2369a6d42e7dSPeter Dunlap ISCSIT_MAX_ERROR_RECOVERY_LEVEL); 2370a6d42e7dSPeter Dunlap break; 2371a6d42e7dSPeter Dunlap case KI_OFMARKERINT: 2372a6d42e7dSPeter Dunlap case KI_IFMARKERINT: 2373a6d42e7dSPeter Dunlap kvrc = iscsit_reply_string(ict, ikvx->ik_key_name, 2374a6d42e7dSPeter Dunlap ISCSI_TEXT_IRRELEVANT); 2375a6d42e7dSPeter Dunlap break; 2376a6d42e7dSPeter Dunlap default: 2377a6d42e7dSPeter Dunlap kvrc = KV_UNHANDLED; /* invalid request */ 2378a6d42e7dSPeter Dunlap break; 2379a6d42e7dSPeter Dunlap } 2380a6d42e7dSPeter Dunlap 2381a6d42e7dSPeter Dunlap return (kvrc); 2382a6d42e7dSPeter Dunlap } 2383a6d42e7dSPeter Dunlap 2384a6d42e7dSPeter Dunlap static kv_status_t 2385a6d42e7dSPeter Dunlap iscsit_reply_numerical(iscsit_conn_t *ict, 2386a6d42e7dSPeter Dunlap const char *nvp_name, const uint64_t value) 2387a6d42e7dSPeter Dunlap { 2388a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2389a6d42e7dSPeter Dunlap kv_status_t kvrc; 2390a6d42e7dSPeter Dunlap int nvrc; 2391a6d42e7dSPeter Dunlap 2392a6d42e7dSPeter Dunlap nvrc = nvlist_add_uint64(lsm->icl_response_nvlist, 2393a6d42e7dSPeter Dunlap nvp_name, value); 2394a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2395a6d42e7dSPeter Dunlap 2396a6d42e7dSPeter Dunlap return (kvrc); 2397a6d42e7dSPeter Dunlap } 2398a6d42e7dSPeter Dunlap 2399a6d42e7dSPeter Dunlap static kv_status_t 2400a6d42e7dSPeter Dunlap iscsit_reply_string(iscsit_conn_t *ict, 2401a6d42e7dSPeter Dunlap const char *nvp_name, const char *text) 2402a6d42e7dSPeter Dunlap { 2403a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2404a6d42e7dSPeter Dunlap kv_status_t kvrc; 2405a6d42e7dSPeter Dunlap int nvrc; 2406a6d42e7dSPeter Dunlap 2407a6d42e7dSPeter Dunlap nvrc = nvlist_add_string(lsm->icl_response_nvlist, 2408a6d42e7dSPeter Dunlap nvp_name, text); 2409a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2410a6d42e7dSPeter Dunlap 2411a6d42e7dSPeter Dunlap return (kvrc); 2412a6d42e7dSPeter Dunlap } 2413a6d42e7dSPeter Dunlap 2414a6d42e7dSPeter Dunlap static kv_status_t 2415a6d42e7dSPeter Dunlap iscsit_handle_digest(iscsit_conn_t *ict, nvpair_t *choices, 2416a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx) 2417a6d42e7dSPeter Dunlap { 2418a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2419a6d42e7dSPeter Dunlap kv_status_t kvrc = KV_VALUE_ERROR; 2420a6d42e7dSPeter Dunlap int nvrc; 2421a6d42e7dSPeter Dunlap nvpair_t *digest_choice; 2422a6d42e7dSPeter Dunlap char *digest_choice_string; 2423a6d42e7dSPeter Dunlap 2424a6d42e7dSPeter Dunlap /* 2425a6d42e7dSPeter Dunlap * Need to add persistent config here if we want users to allow 2426a6d42e7dSPeter Dunlap * disabling of digests on the target side. You could argue that 2427a6d42e7dSPeter Dunlap * this makes things too complicated... just let the initiator state 2428a6d42e7dSPeter Dunlap * what it wants and we'll take it. For now that's exactly what 2429a6d42e7dSPeter Dunlap * we'll do. 2430a6d42e7dSPeter Dunlap * 2431a6d42e7dSPeter Dunlap * Basic digest negotiation happens here at iSCSI level. IDM 2432a6d42e7dSPeter Dunlap * can override this during negotiate_key_values phase to 2433a6d42e7dSPeter Dunlap * decline to set up any digest processing. 2434a6d42e7dSPeter Dunlap */ 2435a6d42e7dSPeter Dunlap digest_choice = idm_get_next_listvalue(choices, NULL); 2436a6d42e7dSPeter Dunlap 2437a6d42e7dSPeter Dunlap /* 2438a6d42e7dSPeter Dunlap * Loop through all choices. As soon as we find a choice 2439a6d42e7dSPeter Dunlap * that we support add the value to our negotiated values list 2440a6d42e7dSPeter Dunlap * and respond with that value in the login response. 2441a6d42e7dSPeter Dunlap */ 2442a6d42e7dSPeter Dunlap while (digest_choice != NULL) { 2443a6d42e7dSPeter Dunlap nvrc = nvpair_value_string(digest_choice, 2444a6d42e7dSPeter Dunlap &digest_choice_string); 2445a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2446a6d42e7dSPeter Dunlap 2447a6d42e7dSPeter Dunlap if ((strcasecmp(digest_choice_string, "crc32c") == 0) || 2448a6d42e7dSPeter Dunlap (strcasecmp(digest_choice_string, "none") == 0)) { 2449a6d42e7dSPeter Dunlap /* Add to negotiated values list */ 2450a6d42e7dSPeter Dunlap nvrc = nvlist_add_string(lsm->icl_negotiated_values, 2451a6d42e7dSPeter Dunlap ikvx->ik_key_name, digest_choice_string); 2452a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2453a6d42e7dSPeter Dunlap if (nvrc == 0) { 2454a6d42e7dSPeter Dunlap /* Add to login response list */ 2455a6d42e7dSPeter Dunlap nvrc = nvlist_add_string( 2456a6d42e7dSPeter Dunlap lsm->icl_response_nvlist, 2457a6d42e7dSPeter Dunlap ikvx->ik_key_name, digest_choice_string); 2458a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2459a6d42e7dSPeter Dunlap } 2460a6d42e7dSPeter Dunlap break; 2461a6d42e7dSPeter Dunlap } 2462a6d42e7dSPeter Dunlap digest_choice = idm_get_next_listvalue(choices, 2463a6d42e7dSPeter Dunlap digest_choice); 2464a6d42e7dSPeter Dunlap } 2465a6d42e7dSPeter Dunlap 2466a6d42e7dSPeter Dunlap if (digest_choice == NULL) 2467a6d42e7dSPeter Dunlap kvrc = KV_VALUE_ERROR; 2468a6d42e7dSPeter Dunlap 2469a6d42e7dSPeter Dunlap return (kvrc); 2470a6d42e7dSPeter Dunlap } 2471a6d42e7dSPeter Dunlap 2472a6d42e7dSPeter Dunlap static kv_status_t 2473a6d42e7dSPeter Dunlap iscsit_handle_boolean(iscsit_conn_t *ict, nvpair_t *nvp, boolean_t value, 2474a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx, boolean_t iscsit_value) 2475a6d42e7dSPeter Dunlap { 2476a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2477a6d42e7dSPeter Dunlap kv_status_t kvrc; 2478a6d42e7dSPeter Dunlap int nvrc; 2479a6d42e7dSPeter Dunlap 248056261083SCharles Ting if (ikvx->ik_declarative) { 248156261083SCharles Ting nvrc = nvlist_add_nvpair(lsm->icl_negotiated_values, nvp); 2482a6d42e7dSPeter Dunlap } else { 248356261083SCharles Ting if (value != iscsit_value) { 248456261083SCharles Ting /* Respond back to initiator with our value */ 248556261083SCharles Ting value = iscsit_value; 2486c050a449SPeter Gill nvrc = nvlist_add_boolean_value( 2487c050a449SPeter Gill lsm->icl_negotiated_values, 2488c050a449SPeter Gill ikvx->ik_key_name, value); 248956261083SCharles Ting lsm->icl_login_transit = B_FALSE; 249056261083SCharles Ting } else { 249156261083SCharles Ting /* Add this to our negotiated values */ 249256261083SCharles Ting nvrc = nvlist_add_nvpair(lsm->icl_negotiated_values, 249356261083SCharles Ting nvp); 249456261083SCharles Ting } 2495a6d42e7dSPeter Dunlap 249656261083SCharles Ting /* Response of Simple-value Negotiation */ 249756261083SCharles Ting if (nvrc == 0) { 249856261083SCharles Ting nvrc = nvlist_add_boolean_value( 249956261083SCharles Ting lsm->icl_response_nvlist, ikvx->ik_key_name, value); 250056261083SCharles Ting } 2501a6d42e7dSPeter Dunlap } 250256261083SCharles Ting 2503a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2504a6d42e7dSPeter Dunlap 2505a6d42e7dSPeter Dunlap return (kvrc); 2506a6d42e7dSPeter Dunlap } 2507a6d42e7dSPeter Dunlap 2508a6d42e7dSPeter Dunlap static kv_status_t 2509a6d42e7dSPeter Dunlap iscsit_handle_numerical(iscsit_conn_t *ict, nvpair_t *nvp, uint64_t value, 2510a6d42e7dSPeter Dunlap const idm_kv_xlate_t *ikvx, 2511a6d42e7dSPeter Dunlap uint64_t iscsi_min_value, uint64_t iscsi_max_value, 2512a6d42e7dSPeter Dunlap uint64_t iscsit_max_value) 2513a6d42e7dSPeter Dunlap { 2514a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2515a6d42e7dSPeter Dunlap kv_status_t kvrc; 2516a6d42e7dSPeter Dunlap int nvrc; 2517a6d42e7dSPeter Dunlap 2518a6d42e7dSPeter Dunlap /* Validate against standard */ 2519a6d42e7dSPeter Dunlap if ((value < iscsi_min_value) || (value > iscsi_max_value)) { 2520a6d42e7dSPeter Dunlap kvrc = KV_VALUE_ERROR; 252156261083SCharles Ting } else if (ikvx->ik_declarative) { 252256261083SCharles Ting nvrc = nvlist_add_nvpair(lsm->icl_negotiated_values, nvp); 252356261083SCharles Ting kvrc = idm_nvstat_to_kvstat(nvrc); 2524a6d42e7dSPeter Dunlap } else { 2525a6d42e7dSPeter Dunlap if (value > iscsit_max_value) { 2526a6d42e7dSPeter Dunlap /* Respond back to initiator with our value */ 2527a6d42e7dSPeter Dunlap value = iscsit_max_value; 2528c050a449SPeter Gill nvrc = nvlist_add_uint64(lsm->icl_negotiated_values, 2529c050a449SPeter Gill ikvx->ik_key_name, value); 2530a6d42e7dSPeter Dunlap lsm->icl_login_transit = B_FALSE; 2531a6d42e7dSPeter Dunlap } else { 2532a6d42e7dSPeter Dunlap /* Add this to our negotiated values */ 2533a6d42e7dSPeter Dunlap nvrc = nvlist_add_nvpair(lsm->icl_negotiated_values, 2534a6d42e7dSPeter Dunlap nvp); 2535a6d42e7dSPeter Dunlap } 2536a6d42e7dSPeter Dunlap 2537a6d42e7dSPeter Dunlap /* Response of Simple-value Negotiation */ 253856261083SCharles Ting if (nvrc == 0) { 2539a6d42e7dSPeter Dunlap nvrc = nvlist_add_uint64(lsm->icl_response_nvlist, 2540a6d42e7dSPeter Dunlap ikvx->ik_key_name, value); 2541a6d42e7dSPeter Dunlap } 2542a6d42e7dSPeter Dunlap kvrc = idm_nvstat_to_kvstat(nvrc); 2543a6d42e7dSPeter Dunlap } 2544a6d42e7dSPeter Dunlap 2545a6d42e7dSPeter Dunlap return (kvrc); 2546a6d42e7dSPeter Dunlap } 2547a6d42e7dSPeter Dunlap 2548a6d42e7dSPeter Dunlap 2549a6d42e7dSPeter Dunlap static void 2550a6d42e7dSPeter Dunlap iscsit_process_negotiated_values(iscsit_conn_t *ict) 2551a6d42e7dSPeter Dunlap { 2552a6d42e7dSPeter Dunlap iscsit_conn_login_t *lsm = &ict->ict_login_sm; 2553a6d42e7dSPeter Dunlap char *string_val; 2554a6d42e7dSPeter Dunlap boolean_t boolean_val; 2555a6d42e7dSPeter Dunlap uint64_t uint64_val; 2556a6d42e7dSPeter Dunlap int nvrc; 2557a6d42e7dSPeter Dunlap 2558a6d42e7dSPeter Dunlap /* Let the IDM level activate its parameters first */ 255930e7468fSPeter Dunlap idm_notice_key_values(ict->ict_ic, lsm->icl_negotiated_values); 2560a6d42e7dSPeter Dunlap 2561a6d42e7dSPeter Dunlap /* 2562a6d42e7dSPeter Dunlap * Initiator alias and target alias 2563a6d42e7dSPeter Dunlap */ 2564a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_string(lsm->icl_negotiated_values, 2565a6d42e7dSPeter Dunlap "InitiatorAlias", &string_val)) != ENOENT) { 2566a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2567a6d42e7dSPeter Dunlap ict->ict_sess->ist_initiator_alias = 2568a6d42e7dSPeter Dunlap kmem_alloc(strlen(string_val) + 1, KM_SLEEP); 2569a6d42e7dSPeter Dunlap (void) strcpy(ict->ict_sess->ist_initiator_alias, string_val); 2570ca3b8945SYuri Pankov if (ict->ict_sess->ist_stmf_sess) 2571ca3b8945SYuri Pankov ict->ict_sess->ist_stmf_sess->ss_rport_alias = 2572ca3b8945SYuri Pankov strdup(string_val); 2573a6d42e7dSPeter Dunlap } 2574a6d42e7dSPeter Dunlap 2575a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_string(lsm->icl_negotiated_values, 2576a6d42e7dSPeter Dunlap "TargetAlias", &string_val)) != ENOENT) { 2577a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2578a6d42e7dSPeter Dunlap ict->ict_sess->ist_target_alias = 2579a6d42e7dSPeter Dunlap kmem_alloc(strlen(string_val) + 1, KM_SLEEP); 2580a6d42e7dSPeter Dunlap (void) strcpy(ict->ict_sess->ist_target_alias, string_val); 2581a6d42e7dSPeter Dunlap } 2582a6d42e7dSPeter Dunlap 2583a6d42e7dSPeter Dunlap /* 2584a6d42e7dSPeter Dunlap * Operational parameters. We process SessionType when it is 2585a6d42e7dSPeter Dunlap * initially received since it is required on the initial login. 2586a6d42e7dSPeter Dunlap */ 2587a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_boolean_value(lsm->icl_negotiated_values, 2588a6d42e7dSPeter Dunlap "InitialR2T", &boolean_val)) != ENOENT) { 2589a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2590a6d42e7dSPeter Dunlap ict->ict_op.op_initial_r2t = boolean_val; 2591a6d42e7dSPeter Dunlap } 2592a6d42e7dSPeter Dunlap 2593a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_boolean_value(lsm->icl_negotiated_values, 2594a6d42e7dSPeter Dunlap "ImmediateData", &boolean_val)) != ENOENT) { 2595a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2596a6d42e7dSPeter Dunlap ict->ict_op.op_immed_data = boolean_val; 2597a6d42e7dSPeter Dunlap } 2598a6d42e7dSPeter Dunlap 2599a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_boolean_value(lsm->icl_negotiated_values, 2600a6d42e7dSPeter Dunlap "DataPDUInOrder", &boolean_val)) != ENOENT) { 2601a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2602a6d42e7dSPeter Dunlap ict->ict_op.op_data_pdu_in_order = boolean_val; 2603a6d42e7dSPeter Dunlap } 2604a6d42e7dSPeter Dunlap 2605a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_boolean_value(lsm->icl_negotiated_values, 2606a6d42e7dSPeter Dunlap "DataSequenceInOrder", &boolean_val)) != ENOENT) { 2607a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2608a6d42e7dSPeter Dunlap ict->ict_op.op_data_sequence_in_order = boolean_val; 2609a6d42e7dSPeter Dunlap } 2610a6d42e7dSPeter Dunlap 2611a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2612a6d42e7dSPeter Dunlap "MaxConnections", &uint64_val)) != ENOENT) { 2613a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2614a6d42e7dSPeter Dunlap ict->ict_op.op_max_connections = uint64_val; 2615a6d42e7dSPeter Dunlap } 2616a6d42e7dSPeter Dunlap 2617a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2618a6d42e7dSPeter Dunlap "MaxRecvDataSegmentLength", &uint64_val)) != ENOENT) { 2619a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2620a6d42e7dSPeter Dunlap ict->ict_op.op_max_recv_data_segment_length = uint64_val; 2621a6d42e7dSPeter Dunlap } 2622a6d42e7dSPeter Dunlap 2623a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2624a6d42e7dSPeter Dunlap "MaxBurstLength", &uint64_val)) != ENOENT) { 2625a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2626a6d42e7dSPeter Dunlap ict->ict_op.op_max_burst_length = uint64_val; 2627a6d42e7dSPeter Dunlap } 2628a6d42e7dSPeter Dunlap 2629a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2630a6d42e7dSPeter Dunlap "FirstBurstLength", &uint64_val)) != ENOENT) { 2631a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2632a6d42e7dSPeter Dunlap ict->ict_op.op_first_burst_length = uint64_val; 2633a6d42e7dSPeter Dunlap } 2634a6d42e7dSPeter Dunlap 2635a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2636a6d42e7dSPeter Dunlap "DefaultTime2Wait", &uint64_val)) != ENOENT) { 2637a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2638a6d42e7dSPeter Dunlap ict->ict_op.op_default_time_2_wait = uint64_val; 2639a6d42e7dSPeter Dunlap } 2640a6d42e7dSPeter Dunlap 2641a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2642a6d42e7dSPeter Dunlap "DefaultTime2Retain", &uint64_val)) != ENOENT) { 2643a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2644a6d42e7dSPeter Dunlap ict->ict_op.op_default_time_2_retain = uint64_val; 2645a6d42e7dSPeter Dunlap } 2646a6d42e7dSPeter Dunlap 2647a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2648a6d42e7dSPeter Dunlap "MaxOutstandingR2T", &uint64_val)) != ENOENT) { 2649a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2650a6d42e7dSPeter Dunlap ict->ict_op.op_max_outstanding_r2t = uint64_val; 2651a6d42e7dSPeter Dunlap } 2652a6d42e7dSPeter Dunlap 2653a6d42e7dSPeter Dunlap if ((nvrc = nvlist_lookup_uint64(lsm->icl_negotiated_values, 2654a6d42e7dSPeter Dunlap "ErrorRecoveryLevel", &uint64_val)) != ENOENT) { 2655a6d42e7dSPeter Dunlap ASSERT(nvrc == 0); 2656a6d42e7dSPeter Dunlap ict->ict_op.op_error_recovery_level = uint64_val; 2657a6d42e7dSPeter Dunlap } 2658a6d42e7dSPeter Dunlap } 265956261083SCharles Ting 266056261083SCharles Ting static idm_status_t 266156261083SCharles Ting iscsit_add_declarative_keys(iscsit_conn_t *ict) 266256261083SCharles Ting { 266356261083SCharles Ting nvlist_t *cfg_nv = NULL; 266456261083SCharles Ting kv_status_t kvrc; 266556261083SCharles Ting int nvrc; 266656261083SCharles Ting iscsit_conn_login_t *lsm = &ict->ict_login_sm; 266756261083SCharles Ting uint8_t error_class; 266856261083SCharles Ting uint8_t error_detail; 266956261083SCharles Ting idm_status_t idm_status; 267056261083SCharles Ting 267156261083SCharles Ting if ((nvrc = nvlist_alloc(&cfg_nv, NV_UNIQUE_NAME, KM_NOSLEEP)) != 0) { 267256261083SCharles Ting kvrc = idm_nvstat_to_kvstat(nvrc); 267356261083SCharles Ting goto alloc_fail; 267456261083SCharles Ting } 267556261083SCharles Ting if ((nvrc = nvlist_add_uint64(cfg_nv, "MaxRecvDataSegmentLength", 267656261083SCharles Ting max_dataseglen_target)) != 0) { 267756261083SCharles Ting kvrc = idm_nvstat_to_kvstat(nvrc); 267856261083SCharles Ting goto done; 267956261083SCharles Ting } 268056261083SCharles Ting 268156261083SCharles Ting kvrc = idm_declare_key_values(ict->ict_ic, cfg_nv, 268256261083SCharles Ting lsm->icl_response_nvlist); 268356261083SCharles Ting done: 268456261083SCharles Ting nvlist_free(cfg_nv); 268556261083SCharles Ting alloc_fail: 268656261083SCharles Ting idm_kvstat_to_error(kvrc, &error_class, &error_detail); 268756261083SCharles Ting if (error_class == ISCSI_STATUS_CLASS_SUCCESS) { 268856261083SCharles Ting idm_status = IDM_STATUS_SUCCESS; 268956261083SCharles Ting } else { 269056261083SCharles Ting SET_LOGIN_ERROR(ict, error_class, error_detail); 269156261083SCharles Ting idm_status = IDM_STATUS_FAIL; 269256261083SCharles Ting } 269356261083SCharles Ting return (idm_status); 269456261083SCharles Ting } 2695