1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. 23 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 24 */ 25 26 /* 27 * General Structures Layout 28 * ------------------------- 29 * 30 * This is a simplified diagram showing the relationship between most of the 31 * main structures. 32 * 33 * +-------------------+ 34 * | SMB_SERVER | 35 * +-------------------+ 36 * | 37 * | 38 * v 39 * +-------------------+ +-------------------+ +-------------------+ 40 * | SESSION |<----->| SESSION |......| SESSION | 41 * +-------------------+ +-------------------+ +-------------------+ 42 * | 43 * | 44 * v 45 * +-------------------+ +-------------------+ +-------------------+ 46 * | USER |<----->| USER |......| USER | 47 * +-------------------+ +-------------------+ +-------------------+ 48 * | 49 * | 50 * v 51 * +-------------------+ +-------------------+ +-------------------+ 52 * | TREE |<----->| TREE |......| TREE | 53 * +-------------------+ +-------------------+ +-------------------+ 54 * | | 55 * | | 56 * | v 57 * | +-------+ +-------+ +-------+ 58 * | | OFILE |<----->| OFILE |......| OFILE | 59 * | +-------+ +-------+ +-------+ 60 * | 61 * | 62 * v 63 * +-------+ +------+ +------+ 64 * | ODIR |<----->| ODIR |......| ODIR | 65 * +-------+ +------+ +------+ 66 * 67 * 68 * Module Interface Overview 69 * ------------------------- 70 * 71 * 72 * +===================================+ 73 * | smbd daemon | 74 * +===================================+ 75 * | | ^ 76 * | | | 77 * User | | | 78 * -----------|--------------|----------------|-------------------------------- 79 * Kernel | | | 80 * | | | 81 * | | | 82 * +=========|==============|================|=================+ 83 * | v v | | 84 * | +-----------+ +--------------------+ +------------------+ | 85 * | | IO | | Kernel Door Server | | User Door Servers| | 86 * | | Interface | | Interface | | Interface | | 87 * | +-----------+ +--------------------+ +------------------+ | 88 * | | | ^ ^ | 89 * | v v | | | +=========+ 90 * | +-----------------------------------+ | | | | 91 * | + SMB Server Management (this file) |<------------------| ZFS | 92 * | +-----------------------------------+ | | | | 93 * | | | | Module | 94 * | +-----------------------------------+ | | | | 95 * | + SMB Server Internal Layers |------+ | +=========+ 96 * | +-----------------------------------+ | 97 * | | 98 * | | 99 * +===========================================================+ 100 * 101 * 102 * Server State Machine 103 * -------------------- 104 * | 105 * | T0 106 * | 107 * v 108 * +-----------------------------+ 109 * | SMB_SERVER_STATE_CREATED | 110 * +-----------------------------+ 111 * | 112 * | T1 113 * | 114 * v 115 * +-----------------------------+ 116 * | SMB_SERVER_STATE_CONFIGURED | 117 * +-----------------------------+ 118 * | 119 * | T2 120 * | 121 * v 122 * +-----------------------------+ 123 * | SMB_SERVER_STATE_RUNNING / | 124 * | SMB_SERVER_STATE_STOPPING | 125 * +-----------------------------+ 126 * | 127 * | T3 128 * | 129 * v 130 * +-----------------------------+ 131 * | SMB_SERVER_STATE_DELETING | 132 * +-----------------------------+ 133 * | 134 * | 135 * | 136 * v 137 * 138 * States 139 * ------ 140 * 141 * SMB_SERVER_STATE_CREATED 142 * 143 * This is the state of the server just after creation. 144 * 145 * SMB_SERVER_STATE_CONFIGURED 146 * 147 * The server has been configured. 148 * 149 * SMB_SERVER_STATE_RUNNING 150 * 151 * The server has been started. While in this state the threads listening on 152 * the sockets are started. 153 * 154 * When a client establishes a connection the thread listening dispatches 155 * a task with the new session as an argument. If the dispatch fails the new 156 * session context is destroyed. 157 * 158 * SMB_SERVER_STATE_STOPPING 159 * 160 * The threads listening on the NBT and TCP sockets are being terminated. 161 * 162 * 163 * Transitions 164 * ----------- 165 * 166 * Transition T0 167 * 168 * The daemon smbd triggers its creation by opening the smbsrv device. If 169 * the zone where the daemon lives doesn't have an smb server yet it is 170 * created. 171 * 172 * smb_drv_open() --> smb_server_create() 173 * 174 * Transition T1 175 * 176 * This transition occurs in smb_server_configure(). It is triggered by the 177 * daemon through an Ioctl. 178 * 179 * smb_drv_ioctl(SMB_IOC_CONFIG) --> smb_server_configure() 180 * 181 * Transition T2 182 * 183 * This transition occurs in smb_server_start(). It is triggered by the 184 * daemon through an Ioctl. 185 * 186 * smb_drv_ioctl(SMB_IOC_START) --> smb_server_start() 187 * 188 * Transition T3 189 * 190 * This transition occurs in smb_server_delete(). It is triggered by the 191 * daemon when closing the smbsrv device 192 * 193 * smb_drv_close() --> smb_server_delete() 194 * 195 * Comments 196 * -------- 197 * 198 * This files assumes that there will one SMB server per zone. For now the 199 * smb server works only in global zone. There's nothing in this file preventing 200 * an smb server from being created in a non global zone. That limitation is 201 * enforced in user space. 202 */ 203 204 #include <sys/strsubr.h> 205 #include <sys/cmn_err.h> 206 #include <sys/priv.h> 207 #include <sys/socketvar.h> 208 #include <sys/zone.h> 209 #include <netinet/in.h> 210 #include <netinet/in_systm.h> 211 #include <netinet/ip.h> 212 #include <netinet/ip_icmp.h> 213 #include <netinet/ip_var.h> 214 #include <netinet/tcp.h> 215 #include <smbsrv/smb_kproto.h> 216 #include <smbsrv/string.h> 217 #include <smbsrv/netbios.h> 218 #include <smbsrv/smb_fsops.h> 219 #include <smbsrv/smb_share.h> 220 #include <smbsrv/smb_door.h> 221 #include <smbsrv/smb_kstat.h> 222 223 extern void smb_reply_notify_change_request(smb_request_t *); 224 225 typedef struct { 226 smb_listener_daemon_t *ra_listener; 227 smb_session_t *ra_session; 228 } smb_receiver_arg_t; 229 230 static void smb_server_kstat_init(smb_server_t *); 231 static void smb_server_kstat_fini(smb_server_t *); 232 static void smb_server_timers(smb_thread_t *, void *); 233 static int smb_server_lookup(smb_server_t **); 234 static void smb_server_release(smb_server_t *); 235 static void smb_server_store_cfg(smb_server_t *, smb_ioc_cfg_t *); 236 static void smb_server_shutdown(smb_server_t *); 237 static int smb_server_fsop_start(smb_server_t *); 238 static void smb_server_fsop_stop(smb_server_t *); 239 static void smb_event_cancel(smb_server_t *, uint32_t); 240 static uint32_t smb_event_alloc_txid(void); 241 242 static void smb_server_disconnect_share(smb_llist_t *, const char *); 243 static void smb_server_enum_private(smb_llist_t *, smb_svcenum_t *); 244 static int smb_server_session_disconnect(smb_llist_t *, const char *, 245 const char *); 246 static int smb_server_fclose(smb_llist_t *, uint32_t); 247 static int smb_server_kstat_update(kstat_t *, int); 248 static int smb_server_legacy_kstat_update(kstat_t *, int); 249 static void smb_server_listener_init(smb_server_t *, smb_listener_daemon_t *, 250 char *, in_port_t, int); 251 static void smb_server_listener_destroy(smb_listener_daemon_t *); 252 static int smb_server_listener_start(smb_listener_daemon_t *); 253 static void smb_server_listener_stop(smb_listener_daemon_t *); 254 static void smb_server_listener(smb_thread_t *, void *); 255 static void smb_server_receiver(void *); 256 static void smb_server_create_session(smb_listener_daemon_t *, ksocket_t); 257 static void smb_server_destroy_session(smb_listener_daemon_t *, 258 smb_session_t *); 259 static uint16_t smb_spool_get_fid(smb_server_t *); 260 static boolean_t smb_spool_lookup_doc_byfid(smb_server_t *, uint16_t, 261 smb_kspooldoc_t *); 262 263 int smb_event_debug = 0; 264 265 static smb_llist_t smb_servers; 266 267 /* 268 * ***************************************************************************** 269 * **************** Functions called from the device interface ***************** 270 * ***************************************************************************** 271 * 272 * These functions typically have to determine the relevant smb server 273 * to which the call applies. 274 */ 275 276 /* 277 * smb_server_svc_init 278 * 279 * This function must be called from smb_drv_attach(). 280 */ 281 int 282 smb_server_svc_init(void) 283 { 284 int rc = 0; 285 286 while (rc == 0) { 287 if (rc = smb_mbc_init()) 288 continue; 289 if (rc = smb_vop_init()) 290 continue; 291 if (rc = smb_node_init()) 292 continue; 293 if (rc = smb_oplock_init()) 294 continue; 295 if (rc = smb_fem_init()) 296 continue; 297 if (rc = smb_notify_init()) 298 continue; 299 if (rc = smb_net_init()) 300 continue; 301 smb_llist_init(); 302 smb_llist_constructor(&smb_servers, sizeof (smb_server_t), 303 offsetof(smb_server_t, sv_lnd)); 304 return (0); 305 } 306 307 smb_llist_fini(); 308 smb_net_fini(); 309 smb_notify_fini(); 310 smb_fem_fini(); 311 smb_node_fini(); 312 smb_vop_fini(); 313 smb_mbc_fini(); 314 return (rc); 315 } 316 317 /* 318 * smb_server_svc_fini 319 * 320 * This function must called from smb_drv_detach(). It will fail if servers 321 * still exist. 322 */ 323 int 324 smb_server_svc_fini(void) 325 { 326 int rc = EBUSY; 327 328 if (smb_llist_get_count(&smb_servers) == 0) { 329 smb_llist_fini(); 330 smb_net_fini(); 331 smb_notify_fini(); 332 smb_fem_fini(); 333 smb_node_fini(); 334 smb_oplock_fini(); 335 smb_vop_fini(); 336 smb_mbc_fini(); 337 smb_llist_destructor(&smb_servers); 338 rc = 0; 339 } 340 return (rc); 341 } 342 343 /* 344 * smb_server_create 345 * 346 * This function will fail if there's already a server associated with the 347 * caller's zone. 348 */ 349 int 350 smb_server_create(void) 351 { 352 zoneid_t zid; 353 smb_server_t *sv; 354 355 zid = getzoneid(); 356 357 smb_llist_enter(&smb_servers, RW_WRITER); 358 sv = smb_llist_head(&smb_servers); 359 while (sv) { 360 SMB_SERVER_VALID(sv); 361 if (sv->sv_zid == zid) { 362 smb_llist_exit(&smb_servers); 363 return (EPERM); 364 } 365 sv = smb_llist_next(&smb_servers, sv); 366 } 367 368 sv = kmem_zalloc(sizeof (smb_server_t), KM_NOSLEEP); 369 if (sv == NULL) { 370 smb_llist_exit(&smb_servers); 371 return (ENOMEM); 372 } 373 374 smb_llist_constructor(&sv->sv_opipe_list, sizeof (smb_opipe_t), 375 offsetof(smb_opipe_t, p_lnd)); 376 377 smb_llist_constructor(&sv->sv_event_list, sizeof (smb_event_t), 378 offsetof(smb_event_t, se_lnd)); 379 380 smb_llist_constructor(&sv->sp_info.sp_list, sizeof (smb_kspooldoc_t), 381 offsetof(smb_kspooldoc_t, sd_lnd)); 382 383 smb_llist_constructor(&sv->sp_info.sp_fidlist, 384 sizeof (smb_spoolfid_t), offsetof(smb_spoolfid_t, sf_lnd)); 385 386 sv->si_cache_request = kmem_cache_create("smb_request_cache", 387 sizeof (smb_request_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 388 sv->si_cache_session = kmem_cache_create("smb_session_cache", 389 sizeof (smb_session_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 390 sv->si_cache_user = kmem_cache_create("smb_user_cache", 391 sizeof (smb_user_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 392 sv->si_cache_tree = kmem_cache_create("smb_tree_cache", 393 sizeof (smb_tree_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 394 sv->si_cache_ofile = kmem_cache_create("smb_ofile_cache", 395 sizeof (smb_ofile_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 396 sv->si_cache_odir = kmem_cache_create("smb_odir_cache", 397 sizeof (smb_odir_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 398 sv->si_cache_opipe = kmem_cache_create("smb_opipe_cache", 399 sizeof (smb_opipe_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 400 sv->si_cache_event = kmem_cache_create("smb_event_cache", 401 sizeof (smb_event_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 402 403 smb_thread_init(&sv->si_thread_timers, 404 "smb_timers", smb_server_timers, sv); 405 406 sv->sv_pid = curproc->p_pid; 407 smb_srqueue_init(&sv->sv_srqueue); 408 409 smb_kdoor_init(); 410 smb_opipe_door_init(); 411 smb_server_kstat_init(sv); 412 413 mutex_init(&sv->sv_mutex, NULL, MUTEX_DEFAULT, NULL); 414 cv_init(&sv->sv_cv, NULL, CV_DEFAULT, NULL); 415 cv_init(&sv->sp_info.sp_cv, NULL, CV_DEFAULT, NULL); 416 417 sv->sv_state = SMB_SERVER_STATE_CREATED; 418 sv->sv_magic = SMB_SERVER_MAGIC; 419 sv->sv_zid = zid; 420 421 smb_llist_insert_tail(&smb_servers, sv); 422 smb_llist_exit(&smb_servers); 423 424 smb_threshold_init(&sv->sv_ssetup_ct, SMB_SSETUP_CMD, 425 smb_ssetup_threshold, smb_ssetup_timeout); 426 smb_threshold_init(&sv->sv_tcon_ct, SMB_TCON_CMD, smb_tcon_threshold, 427 smb_tcon_timeout); 428 smb_threshold_init(&sv->sv_opipe_ct, SMB_OPIPE_CMD, smb_opipe_threshold, 429 smb_opipe_timeout); 430 431 return (0); 432 } 433 434 /* 435 * smb_server_delete 436 * 437 * This function will delete the server passed in. It will make sure that all 438 * activity associated that server has ceased before destroying it. 439 */ 440 int 441 smb_server_delete(void) 442 { 443 smb_server_t *sv; 444 int rc; 445 446 rc = smb_server_lookup(&sv); 447 if (rc != 0) 448 return (rc); 449 450 smb_threshold_fini(&sv->sv_ssetup_ct); 451 smb_threshold_fini(&sv->sv_tcon_ct); 452 smb_threshold_fini(&sv->sv_opipe_ct); 453 454 mutex_enter(&sv->sv_mutex); 455 switch (sv->sv_state) { 456 case SMB_SERVER_STATE_RUNNING: 457 sv->sv_state = SMB_SERVER_STATE_STOPPING; 458 mutex_exit(&sv->sv_mutex); 459 smb_server_shutdown(sv); 460 mutex_enter(&sv->sv_mutex); 461 cv_broadcast(&sv->sp_info.sp_cv); 462 sv->sv_state = SMB_SERVER_STATE_DELETING; 463 break; 464 case SMB_SERVER_STATE_STOPPING: 465 sv->sv_state = SMB_SERVER_STATE_DELETING; 466 break; 467 case SMB_SERVER_STATE_CONFIGURED: 468 case SMB_SERVER_STATE_CREATED: 469 sv->sv_state = SMB_SERVER_STATE_DELETING; 470 break; 471 default: 472 SMB_SERVER_STATE_VALID(sv->sv_state); 473 mutex_exit(&sv->sv_mutex); 474 smb_server_release(sv); 475 return (ENOTTY); 476 } 477 478 ASSERT(sv->sv_state == SMB_SERVER_STATE_DELETING); 479 480 sv->sv_refcnt--; 481 while (sv->sv_refcnt) 482 cv_wait(&sv->sv_cv, &sv->sv_mutex); 483 484 mutex_exit(&sv->sv_mutex); 485 486 smb_llist_enter(&smb_servers, RW_WRITER); 487 smb_llist_remove(&smb_servers, sv); 488 smb_llist_exit(&smb_servers); 489 490 smb_server_listener_destroy(&sv->sv_nbt_daemon); 491 smb_server_listener_destroy(&sv->sv_tcp_daemon); 492 rw_destroy(&sv->sv_cfg_lock); 493 smb_opipe_door_fini(); 494 smb_kdoor_fini(); 495 smb_server_kstat_fini(sv); 496 smb_llist_destructor(&sv->sv_opipe_list); 497 smb_llist_destructor(&sv->sv_event_list); 498 499 kmem_cache_destroy(sv->si_cache_request); 500 kmem_cache_destroy(sv->si_cache_session); 501 kmem_cache_destroy(sv->si_cache_user); 502 kmem_cache_destroy(sv->si_cache_tree); 503 kmem_cache_destroy(sv->si_cache_ofile); 504 kmem_cache_destroy(sv->si_cache_odir); 505 kmem_cache_destroy(sv->si_cache_opipe); 506 kmem_cache_destroy(sv->si_cache_event); 507 508 smb_srqueue_destroy(&sv->sv_srqueue); 509 510 smb_thread_destroy(&sv->si_thread_timers); 511 mutex_destroy(&sv->sv_mutex); 512 cv_destroy(&sv->sv_cv); 513 sv->sv_magic = 0; 514 kmem_free(sv, sizeof (smb_server_t)); 515 516 return (0); 517 } 518 519 /* 520 * smb_server_configure 521 */ 522 int 523 smb_server_configure(smb_ioc_cfg_t *ioc) 524 { 525 int rc = 0; 526 smb_server_t *sv; 527 528 rc = smb_server_lookup(&sv); 529 if (rc) 530 return (rc); 531 532 mutex_enter(&sv->sv_mutex); 533 switch (sv->sv_state) { 534 case SMB_SERVER_STATE_CREATED: 535 smb_server_store_cfg(sv, ioc); 536 sv->sv_state = SMB_SERVER_STATE_CONFIGURED; 537 break; 538 539 case SMB_SERVER_STATE_CONFIGURED: 540 smb_server_store_cfg(sv, ioc); 541 break; 542 543 case SMB_SERVER_STATE_RUNNING: 544 case SMB_SERVER_STATE_STOPPING: 545 rw_enter(&sv->sv_cfg_lock, RW_WRITER); 546 smb_server_store_cfg(sv, ioc); 547 rw_exit(&sv->sv_cfg_lock); 548 break; 549 550 default: 551 SMB_SERVER_STATE_VALID(sv->sv_state); 552 rc = EFAULT; 553 break; 554 } 555 mutex_exit(&sv->sv_mutex); 556 557 smb_server_release(sv); 558 559 return (rc); 560 } 561 562 /* 563 * smb_server_start 564 */ 565 int 566 smb_server_start(smb_ioc_start_t *ioc) 567 { 568 int rc = 0; 569 int family; 570 smb_server_t *sv; 571 572 rc = smb_server_lookup(&sv); 573 if (rc) 574 return (rc); 575 576 mutex_enter(&sv->sv_mutex); 577 switch (sv->sv_state) { 578 case SMB_SERVER_STATE_CONFIGURED: 579 smb_codepage_init(); 580 581 sv->sv_worker_pool = taskq_create("smb_workers", 582 sv->sv_cfg.skc_maxworkers, SMB_WORKER_PRIORITY, 583 sv->sv_cfg.skc_maxworkers, INT_MAX, 584 TASKQ_DYNAMIC|TASKQ_PREPOPULATE); 585 586 sv->sv_receiver_pool = taskq_create("smb_receivers", 587 sv->sv_cfg.skc_maxconnections, SMB_WORKER_PRIORITY, 588 sv->sv_cfg.skc_maxconnections, INT_MAX, 589 TASKQ_DYNAMIC); 590 591 sv->sv_session = smb_session_create(NULL, 0, sv, 0); 592 593 if (sv->sv_worker_pool == NULL || sv->sv_session == NULL) { 594 rc = ENOMEM; 595 break; 596 } 597 598 if (rc = smb_server_fsop_start(sv)) 599 break; 600 ASSERT(sv->sv_lmshrd == NULL); 601 sv->sv_lmshrd = smb_kshare_door_init(ioc->lmshrd); 602 if (sv->sv_lmshrd == NULL) 603 break; 604 if (rc = smb_kdoor_open(ioc->udoor)) { 605 cmn_err(CE_WARN, "Cannot open smbd door"); 606 break; 607 } 608 if (rc = smb_opipe_door_open(ioc->opipe)) { 609 cmn_err(CE_WARN, "Cannot open opipe door"); 610 break; 611 } 612 if (rc = smb_thread_start(&sv->si_thread_timers)) 613 break; 614 615 family = AF_INET; 616 smb_server_listener_init(sv, &sv->sv_nbt_daemon, 617 "smb_nbt_listener", IPPORT_NETBIOS_SSN, family); 618 if (sv->sv_cfg.skc_ipv6_enable) 619 family = AF_INET6; 620 smb_server_listener_init(sv, &sv->sv_tcp_daemon, 621 "smb_tcp_listener", IPPORT_SMB, family); 622 rc = smb_server_listener_start(&sv->sv_nbt_daemon); 623 if (rc != 0) 624 break; 625 rc = smb_server_listener_start(&sv->sv_tcp_daemon); 626 if (rc != 0) 627 break; 628 629 sv->sv_state = SMB_SERVER_STATE_RUNNING; 630 sv->sv_start_time = gethrtime(); 631 mutex_exit(&sv->sv_mutex); 632 smb_server_release(sv); 633 smb_export_start(); 634 return (0); 635 default: 636 SMB_SERVER_STATE_VALID(sv->sv_state); 637 mutex_exit(&sv->sv_mutex); 638 smb_server_release(sv); 639 return (ENOTTY); 640 } 641 642 mutex_exit(&sv->sv_mutex); 643 smb_server_shutdown(sv); 644 smb_server_release(sv); 645 return (rc); 646 } 647 648 /* 649 * An smbd is shutting down. 650 */ 651 int 652 smb_server_stop(void) 653 { 654 smb_server_t *sv; 655 int rc; 656 657 if ((rc = smb_server_lookup(&sv)) != 0) 658 return (rc); 659 660 mutex_enter(&sv->sv_mutex); 661 switch (sv->sv_state) { 662 case SMB_SERVER_STATE_RUNNING: 663 sv->sv_state = SMB_SERVER_STATE_STOPPING; 664 mutex_exit(&sv->sv_mutex); 665 smb_server_shutdown(sv); 666 mutex_enter(&sv->sv_mutex); 667 cv_broadcast(&sv->sp_info.sp_cv); 668 break; 669 default: 670 SMB_SERVER_STATE_VALID(sv->sv_state); 671 break; 672 } 673 mutex_exit(&sv->sv_mutex); 674 675 smb_server_release(sv); 676 return (0); 677 } 678 679 boolean_t 680 smb_server_is_stopping(void) 681 { 682 smb_server_t *sv; 683 boolean_t status; 684 685 if (smb_server_lookup(&sv) != 0) 686 return (B_TRUE); 687 688 SMB_SERVER_VALID(sv); 689 690 mutex_enter(&sv->sv_mutex); 691 692 switch (sv->sv_state) { 693 case SMB_SERVER_STATE_STOPPING: 694 case SMB_SERVER_STATE_DELETING: 695 status = B_TRUE; 696 break; 697 default: 698 status = B_FALSE; 699 break; 700 } 701 702 mutex_exit(&sv->sv_mutex); 703 smb_server_release(sv); 704 return (status); 705 } 706 707 int 708 smb_server_cancel_event(uint32_t txid) 709 { 710 smb_server_t *sv; 711 int rc; 712 713 if ((rc = smb_server_lookup(&sv)) == 0) { 714 smb_event_cancel(sv, txid); 715 smb_server_release(sv); 716 } 717 718 return (rc); 719 } 720 721 int 722 smb_server_notify_event(smb_ioc_event_t *ioc) 723 { 724 smb_server_t *sv; 725 int rc; 726 727 if ((rc = smb_server_lookup(&sv)) == 0) { 728 smb_event_notify(sv, ioc->txid); 729 smb_server_release(sv); 730 } 731 732 return (rc); 733 } 734 735 /* 736 * smb_server_spooldoc 737 * 738 * Waits for print file close broadcast. 739 * Gets the head of the fid list, 740 * then searches the spooldoc list and returns 741 * this info via the ioctl to user land. 742 * 743 * rc - 0 success 744 */ 745 746 int 747 smb_server_spooldoc(smb_ioc_spooldoc_t *ioc) 748 { 749 smb_server_t *sv; 750 int rc; 751 smb_kspooldoc_t *spdoc; 752 uint16_t fid; 753 754 if ((rc = smb_server_lookup(&sv)) != 0) 755 return (rc); 756 757 mutex_enter(&sv->sv_mutex); 758 for (;;) { 759 if (sv->sv_state != SMB_SERVER_STATE_RUNNING) { 760 rc = ECANCELED; 761 break; 762 } 763 if ((fid = smb_spool_get_fid(sv)) != 0) { 764 rc = 0; 765 break; 766 } 767 if (cv_wait_sig(&sv->sp_info.sp_cv, &sv->sv_mutex) == 0) { 768 rc = EINTR; 769 break; 770 } 771 } 772 mutex_exit(&sv->sv_mutex); 773 if (rc == 0) { 774 spdoc = kmem_zalloc(sizeof (*spdoc), KM_SLEEP); 775 if (smb_spool_lookup_doc_byfid(sv, fid, spdoc)) { 776 ioc->spool_num = spdoc->sd_spool_num; 777 ioc->ipaddr = spdoc->sd_ipaddr; 778 (void) strlcpy(ioc->path, spdoc->sd_path, 779 MAXPATHLEN); 780 (void) strlcpy(ioc->username, 781 spdoc->sd_username, MAXNAMELEN); 782 } else { 783 /* Did not find that print job. */ 784 rc = EAGAIN; 785 } 786 kmem_free(spdoc, sizeof (*spdoc)); 787 } 788 789 smb_server_release(sv); 790 return (rc); 791 } 792 793 int 794 smb_server_set_gmtoff(smb_ioc_gmt_t *ioc) 795 { 796 int rc; 797 smb_server_t *sv; 798 799 if ((rc = smb_server_lookup(&sv)) == 0) { 800 sv->si_gmtoff = ioc->offset; 801 smb_server_release(sv); 802 } 803 804 return (rc); 805 } 806 807 int 808 smb_server_numopen(smb_ioc_opennum_t *ioc) 809 { 810 smb_server_t *sv; 811 int rc; 812 813 if ((rc = smb_server_lookup(&sv)) == 0) { 814 ioc->open_users = sv->sv_users; 815 ioc->open_trees = sv->sv_trees; 816 ioc->open_files = sv->sv_files + sv->sv_pipes; 817 smb_server_release(sv); 818 } 819 return (rc); 820 } 821 822 /* 823 * Enumerate objects within the server. The svcenum provides the 824 * enumeration context, i.e. what the caller want to get back. 825 */ 826 int 827 smb_server_enum(smb_ioc_svcenum_t *ioc) 828 { 829 smb_svcenum_t *svcenum = &ioc->svcenum; 830 smb_server_t *sv; 831 int rc; 832 833 switch (svcenum->se_type) { 834 case SMB_SVCENUM_TYPE_USER: 835 case SMB_SVCENUM_TYPE_TREE: 836 case SMB_SVCENUM_TYPE_FILE: 837 break; 838 default: 839 return (EINVAL); 840 } 841 842 if ((rc = smb_server_lookup(&sv)) != 0) 843 return (rc); 844 845 svcenum->se_bavail = svcenum->se_buflen; 846 svcenum->se_bused = 0; 847 svcenum->se_nitems = 0; 848 849 smb_server_enum_private(&sv->sv_nbt_daemon.ld_session_list, svcenum); 850 smb_server_enum_private(&sv->sv_tcp_daemon.ld_session_list, svcenum); 851 852 smb_server_release(sv); 853 return (0); 854 } 855 856 /* 857 * Look for sessions to disconnect by client and user name. 858 */ 859 int 860 smb_server_session_close(smb_ioc_session_t *ioc) 861 { 862 smb_llist_t *ll; 863 smb_server_t *sv; 864 int nbt_cnt; 865 int tcp_cnt; 866 int rc; 867 868 if ((rc = smb_server_lookup(&sv)) != 0) 869 return (rc); 870 871 ll = &sv->sv_nbt_daemon.ld_session_list; 872 nbt_cnt = smb_server_session_disconnect(ll, ioc->client, ioc->username); 873 874 ll = &sv->sv_tcp_daemon.ld_session_list; 875 tcp_cnt = smb_server_session_disconnect(ll, ioc->client, ioc->username); 876 877 smb_server_release(sv); 878 879 if ((nbt_cnt == 0) && (tcp_cnt == 0)) 880 return (ENOENT); 881 return (0); 882 } 883 884 /* 885 * Close a file by uniqid. 886 */ 887 int 888 smb_server_file_close(smb_ioc_fileid_t *ioc) 889 { 890 uint32_t uniqid = ioc->uniqid; 891 smb_llist_t *ll; 892 smb_server_t *sv; 893 int rc; 894 895 if ((rc = smb_server_lookup(&sv)) != 0) 896 return (rc); 897 898 ll = &sv->sv_nbt_daemon.ld_session_list; 899 rc = smb_server_fclose(ll, uniqid); 900 901 if (rc == ENOENT) { 902 ll = &sv->sv_tcp_daemon.ld_session_list; 903 rc = smb_server_fclose(ll, uniqid); 904 } 905 906 smb_server_release(sv); 907 return (rc); 908 } 909 910 /* 911 * These functions determine the relevant smb server to which the call apply. 912 */ 913 914 uint32_t 915 smb_server_get_session_count(void) 916 { 917 smb_server_t *sv; 918 uint32_t counter = 0; 919 920 if (smb_server_lookup(&sv)) 921 return (0); 922 923 counter = smb_llist_get_count(&sv->sv_nbt_daemon.ld_session_list); 924 counter += smb_llist_get_count(&sv->sv_tcp_daemon.ld_session_list); 925 926 smb_server_release(sv); 927 928 return (counter); 929 } 930 931 /* 932 * Gets the vnode of the specified share path. 933 * 934 * A hold on the returned vnode pointer is taken so the caller 935 * must call VN_RELE. 936 */ 937 int 938 smb_server_sharevp(const char *shr_path, vnode_t **vp) 939 { 940 smb_server_t *sv; 941 smb_request_t *sr; 942 smb_node_t *fnode = NULL; 943 smb_node_t *dnode; 944 char last_comp[MAXNAMELEN]; 945 int rc = 0; 946 947 ASSERT(shr_path); 948 949 if ((rc = smb_server_lookup(&sv))) 950 return (rc); 951 952 mutex_enter(&sv->sv_mutex); 953 switch (sv->sv_state) { 954 case SMB_SERVER_STATE_RUNNING: 955 break; 956 default: 957 mutex_exit(&sv->sv_mutex); 958 smb_server_release(sv); 959 return (ENOTACTIVE); 960 } 961 mutex_exit(&sv->sv_mutex); 962 963 if ((sr = smb_request_alloc(sv->sv_session, 0)) == NULL) { 964 smb_server_release(sv); 965 return (ENOMEM); 966 } 967 sr->user_cr = kcred; 968 969 rc = smb_pathname_reduce(sr, sr->user_cr, shr_path, 970 NULL, NULL, &dnode, last_comp); 971 972 if (rc == 0) { 973 rc = smb_fsop_lookup(sr, sr->user_cr, SMB_FOLLOW_LINKS, 974 sv->si_root_smb_node, dnode, last_comp, &fnode); 975 smb_node_release(dnode); 976 } 977 978 smb_request_free(sr); 979 smb_server_release(sv); 980 981 if (rc != 0) 982 return (rc); 983 984 ASSERT(fnode->vp && fnode->vp->v_vfsp); 985 986 VN_HOLD(fnode->vp); 987 *vp = fnode->vp; 988 989 smb_node_release(fnode); 990 991 return (0); 992 } 993 994 995 /* 996 * This is a special interface that will be utilized by ZFS to cause a share to 997 * be added/removed. 998 * 999 * arg is either a lmshare_info_t or share_name from userspace. 1000 * It will need to be copied into the kernel. It is lmshare_info_t 1001 * for add operations and share_name for delete operations. 1002 */ 1003 int 1004 smb_server_share(void *arg, boolean_t add_share) 1005 { 1006 smb_server_t *sv; 1007 int rc; 1008 1009 if ((rc = smb_server_lookup(&sv)) == 0) { 1010 mutex_enter(&sv->sv_mutex); 1011 switch (sv->sv_state) { 1012 case SMB_SERVER_STATE_RUNNING: 1013 mutex_exit(&sv->sv_mutex); 1014 (void) smb_kshare_upcall(sv->sv_lmshrd, arg, add_share); 1015 break; 1016 default: 1017 mutex_exit(&sv->sv_mutex); 1018 break; 1019 } 1020 smb_server_release(sv); 1021 } 1022 1023 return (rc); 1024 } 1025 1026 int 1027 smb_server_unshare(const char *sharename) 1028 { 1029 smb_server_t *sv; 1030 smb_llist_t *ll; 1031 int rc; 1032 1033 if ((rc = smb_server_lookup(&sv))) 1034 return (rc); 1035 1036 mutex_enter(&sv->sv_mutex); 1037 switch (sv->sv_state) { 1038 case SMB_SERVER_STATE_RUNNING: 1039 case SMB_SERVER_STATE_STOPPING: 1040 break; 1041 default: 1042 mutex_exit(&sv->sv_mutex); 1043 smb_server_release(sv); 1044 return (ENOTACTIVE); 1045 } 1046 mutex_exit(&sv->sv_mutex); 1047 1048 ll = &sv->sv_nbt_daemon.ld_session_list; 1049 smb_server_disconnect_share(ll, sharename); 1050 1051 ll = &sv->sv_tcp_daemon.ld_session_list; 1052 smb_server_disconnect_share(ll, sharename); 1053 1054 smb_server_release(sv); 1055 return (0); 1056 } 1057 1058 /* 1059 * Disconnect the specified share. 1060 * Typically called when a share has been removed. 1061 */ 1062 static void 1063 smb_server_disconnect_share(smb_llist_t *ll, const char *sharename) 1064 { 1065 smb_session_t *session; 1066 1067 smb_llist_enter(ll, RW_READER); 1068 1069 session = smb_llist_head(ll); 1070 while (session) { 1071 SMB_SESSION_VALID(session); 1072 smb_rwx_rwenter(&session->s_lock, RW_READER); 1073 switch (session->s_state) { 1074 case SMB_SESSION_STATE_NEGOTIATED: 1075 case SMB_SESSION_STATE_OPLOCK_BREAKING: 1076 case SMB_SESSION_STATE_WRITE_RAW_ACTIVE: 1077 smb_session_disconnect_share(session, sharename); 1078 break; 1079 default: 1080 break; 1081 } 1082 smb_rwx_rwexit(&session->s_lock); 1083 session = smb_llist_next(ll, session); 1084 } 1085 1086 smb_llist_exit(ll); 1087 } 1088 1089 /* 1090 * ***************************************************************************** 1091 * **************** Functions called from the internal layers ****************** 1092 * ***************************************************************************** 1093 * 1094 * These functions are provided the relevant smb server by the caller. 1095 */ 1096 1097 void 1098 smb_server_reconnection_check(smb_server_t *sv, smb_session_t *session) 1099 { 1100 ASSERT(sv == session->s_server); 1101 1102 smb_session_reconnection_check(&sv->sv_nbt_daemon.ld_session_list, 1103 session); 1104 smb_session_reconnection_check(&sv->sv_tcp_daemon.ld_session_list, 1105 session); 1106 } 1107 1108 void 1109 smb_server_get_cfg(smb_server_t *sv, smb_kmod_cfg_t *cfg) 1110 { 1111 rw_enter(&sv->sv_cfg_lock, RW_READER); 1112 bcopy(&sv->sv_cfg, cfg, sizeof (*cfg)); 1113 rw_exit(&sv->sv_cfg_lock); 1114 } 1115 1116 /* 1117 * 1118 */ 1119 void 1120 smb_server_inc_nbt_sess(smb_server_t *sv) 1121 { 1122 SMB_SERVER_VALID(sv); 1123 atomic_inc_32(&sv->sv_nbt_sess); 1124 } 1125 1126 void 1127 smb_server_dec_nbt_sess(smb_server_t *sv) 1128 { 1129 SMB_SERVER_VALID(sv); 1130 atomic_dec_32(&sv->sv_nbt_sess); 1131 } 1132 1133 void 1134 smb_server_inc_tcp_sess(smb_server_t *sv) 1135 { 1136 SMB_SERVER_VALID(sv); 1137 atomic_inc_32(&sv->sv_tcp_sess); 1138 } 1139 1140 void 1141 smb_server_dec_tcp_sess(smb_server_t *sv) 1142 { 1143 SMB_SERVER_VALID(sv); 1144 atomic_dec_32(&sv->sv_tcp_sess); 1145 } 1146 1147 void 1148 smb_server_inc_users(smb_server_t *sv) 1149 { 1150 SMB_SERVER_VALID(sv); 1151 atomic_inc_32(&sv->sv_users); 1152 } 1153 1154 void 1155 smb_server_dec_users(smb_server_t *sv) 1156 { 1157 SMB_SERVER_VALID(sv); 1158 atomic_dec_32(&sv->sv_users); 1159 } 1160 1161 void 1162 smb_server_inc_trees(smb_server_t *sv) 1163 { 1164 SMB_SERVER_VALID(sv); 1165 atomic_inc_32(&sv->sv_trees); 1166 } 1167 1168 void 1169 smb_server_dec_trees(smb_server_t *sv) 1170 { 1171 SMB_SERVER_VALID(sv); 1172 atomic_dec_32(&sv->sv_trees); 1173 } 1174 1175 void 1176 smb_server_inc_files(smb_server_t *sv) 1177 { 1178 SMB_SERVER_VALID(sv); 1179 atomic_inc_32(&sv->sv_files); 1180 } 1181 1182 void 1183 smb_server_dec_files(smb_server_t *sv) 1184 { 1185 SMB_SERVER_VALID(sv); 1186 atomic_dec_32(&sv->sv_files); 1187 } 1188 1189 void 1190 smb_server_inc_pipes(smb_server_t *sv) 1191 { 1192 SMB_SERVER_VALID(sv); 1193 atomic_inc_32(&sv->sv_pipes); 1194 } 1195 1196 void 1197 smb_server_dec_pipes(smb_server_t *sv) 1198 { 1199 SMB_SERVER_VALID(sv); 1200 atomic_dec_32(&sv->sv_pipes); 1201 } 1202 1203 void 1204 smb_server_add_rxb(smb_server_t *sv, int64_t value) 1205 { 1206 SMB_SERVER_VALID(sv); 1207 atomic_add_64(&sv->sv_rxb, value); 1208 } 1209 1210 void 1211 smb_server_add_txb(smb_server_t *sv, int64_t value) 1212 { 1213 SMB_SERVER_VALID(sv); 1214 atomic_add_64(&sv->sv_txb, value); 1215 } 1216 1217 void 1218 smb_server_inc_req(smb_server_t *sv) 1219 { 1220 SMB_SERVER_VALID(sv); 1221 atomic_inc_64(&sv->sv_nreq); 1222 } 1223 1224 /* 1225 * ***************************************************************************** 1226 * *************************** Static Functions ******************************** 1227 * ***************************************************************************** 1228 */ 1229 1230 static void 1231 smb_server_timers(smb_thread_t *thread, void *arg) 1232 { 1233 smb_server_t *sv = (smb_server_t *)arg; 1234 1235 ASSERT(sv != NULL); 1236 1237 while (smb_thread_continue_timedwait(thread, 1 /* Seconds */)) { 1238 smb_session_timers(&sv->sv_nbt_daemon.ld_session_list); 1239 smb_session_timers(&sv->sv_tcp_daemon.ld_session_list); 1240 } 1241 } 1242 1243 /* 1244 * smb_server_kstat_init 1245 */ 1246 static void 1247 smb_server_kstat_init(smb_server_t *sv) 1248 { 1249 char name[KSTAT_STRLEN]; 1250 1251 sv->sv_ksp = kstat_create_zone(SMBSRV_KSTAT_MODULE, sv->sv_zid, 1252 SMBSRV_KSTAT_STATISTICS, SMBSRV_KSTAT_CLASS, KSTAT_TYPE_RAW, 1253 sizeof (smbsrv_kstats_t), 0, sv->sv_zid); 1254 1255 if (sv->sv_ksp != NULL) { 1256 sv->sv_ksp->ks_update = smb_server_kstat_update; 1257 sv->sv_ksp->ks_private = sv; 1258 ((smbsrv_kstats_t *)sv->sv_ksp->ks_data)->ks_start_time = 1259 sv->sv_start_time; 1260 smb_dispatch_stats_init( 1261 ((smbsrv_kstats_t *)sv->sv_ksp->ks_data)->ks_reqs); 1262 kstat_install(sv->sv_ksp); 1263 } else { 1264 cmn_err(CE_WARN, "SMB Server: Statistics unavailable"); 1265 } 1266 1267 (void) snprintf(name, sizeof (name), "%s%d", 1268 SMBSRV_KSTAT_NAME, sv->sv_zid); 1269 1270 sv->sv_legacy_ksp = kstat_create(SMBSRV_KSTAT_MODULE, sv->sv_zid, 1271 name, SMBSRV_KSTAT_CLASS, KSTAT_TYPE_NAMED, 1272 sizeof (smb_server_legacy_kstat_t) / sizeof (kstat_named_t), 0); 1273 1274 if (sv->sv_legacy_ksp != NULL) { 1275 smb_server_legacy_kstat_t *ksd; 1276 1277 ksd = sv->sv_legacy_ksp->ks_data; 1278 1279 (void) strlcpy(ksd->ls_files.name, "open_files", 1280 sizeof (ksd->ls_files.name)); 1281 ksd->ls_files.data_type = KSTAT_DATA_UINT32; 1282 1283 (void) strlcpy(ksd->ls_trees.name, "connections", 1284 sizeof (ksd->ls_trees.name)); 1285 ksd->ls_trees.data_type = KSTAT_DATA_UINT32; 1286 1287 (void) strlcpy(ksd->ls_users.name, "connections", 1288 sizeof (ksd->ls_users.name)); 1289 ksd->ls_users.data_type = KSTAT_DATA_UINT32; 1290 1291 mutex_init(&sv->sv_legacy_ksmtx, NULL, MUTEX_DEFAULT, NULL); 1292 sv->sv_legacy_ksp->ks_lock = &sv->sv_legacy_ksmtx; 1293 sv->sv_legacy_ksp->ks_update = smb_server_legacy_kstat_update; 1294 kstat_install(sv->sv_legacy_ksp); 1295 } 1296 } 1297 1298 /* 1299 * smb_server_kstat_fini 1300 */ 1301 static void 1302 smb_server_kstat_fini(smb_server_t *sv) 1303 { 1304 if (sv->sv_legacy_ksp != NULL) { 1305 kstat_delete(sv->sv_legacy_ksp); 1306 mutex_destroy(&sv->sv_legacy_ksmtx); 1307 sv->sv_legacy_ksp = NULL; 1308 } 1309 1310 if (sv->sv_ksp != NULL) { 1311 kstat_delete(sv->sv_ksp); 1312 sv->sv_ksp = NULL; 1313 smb_dispatch_stats_fini(); 1314 } 1315 } 1316 1317 /* 1318 * smb_server_kstat_update 1319 */ 1320 static int 1321 smb_server_kstat_update(kstat_t *ksp, int rw) 1322 { 1323 smb_server_t *sv; 1324 smbsrv_kstats_t *ksd; 1325 1326 if (rw == KSTAT_READ) { 1327 sv = ksp->ks_private; 1328 SMB_SERVER_VALID(sv); 1329 ksd = (smbsrv_kstats_t *)ksp->ks_data; 1330 /* 1331 * Counters 1332 */ 1333 ksd->ks_nbt_sess = sv->sv_nbt_sess; 1334 ksd->ks_tcp_sess = sv->sv_tcp_sess; 1335 ksd->ks_users = sv->sv_users; 1336 ksd->ks_trees = sv->sv_trees; 1337 ksd->ks_files = sv->sv_files; 1338 ksd->ks_pipes = sv->sv_pipes; 1339 /* 1340 * Throughput 1341 */ 1342 ksd->ks_txb = sv->sv_txb; 1343 ksd->ks_rxb = sv->sv_rxb; 1344 ksd->ks_nreq = sv->sv_nreq; 1345 /* 1346 * Busyness 1347 */ 1348 ksd->ks_maxreqs = sv->sv_cfg.skc_maxworkers; 1349 smb_srqueue_update(&sv->sv_srqueue, 1350 &ksd->ks_utilization); 1351 /* 1352 * Latency & Throughput of the requests 1353 */ 1354 smb_dispatch_stats_update(ksd->ks_reqs, 0, SMB_COM_NUM); 1355 return (0); 1356 } 1357 if (rw == KSTAT_WRITE) 1358 return (EACCES); 1359 1360 return (EIO); 1361 } 1362 1363 static int 1364 smb_server_legacy_kstat_update(kstat_t *ksp, int rw) 1365 { 1366 smb_server_t *sv; 1367 smb_server_legacy_kstat_t *ksd; 1368 int rc; 1369 1370 switch (rw) { 1371 case KSTAT_WRITE: 1372 rc = EACCES; 1373 break; 1374 case KSTAT_READ: 1375 if (!smb_server_lookup(&sv)) { 1376 ASSERT(MUTEX_HELD(ksp->ks_lock)); 1377 ASSERT(sv->sv_legacy_ksp == ksp); 1378 ksd = (smb_server_legacy_kstat_t *)ksp->ks_data; 1379 ksd->ls_files.value.ui32 = sv->sv_files + sv->sv_pipes; 1380 ksd->ls_trees.value.ui32 = sv->sv_trees; 1381 ksd->ls_users.value.ui32 = sv->sv_users; 1382 smb_server_release(sv); 1383 rc = 0; 1384 break; 1385 } 1386 _NOTE(FALLTHRU) 1387 default: 1388 rc = EIO; 1389 break; 1390 } 1391 return (rc); 1392 1393 } 1394 1395 /* 1396 * smb_server_shutdown 1397 */ 1398 static void 1399 smb_server_shutdown(smb_server_t *sv) 1400 { 1401 SMB_SERVER_VALID(sv); 1402 1403 smb_opipe_door_close(); 1404 smb_thread_stop(&sv->si_thread_timers); 1405 smb_kdoor_close(); 1406 smb_kshare_door_fini(sv->sv_lmshrd); 1407 sv->sv_lmshrd = NULL; 1408 smb_export_stop(); 1409 smb_server_fsop_stop(sv); 1410 1411 smb_server_listener_stop(&sv->sv_nbt_daemon); 1412 smb_server_listener_stop(&sv->sv_tcp_daemon); 1413 1414 if (sv->sv_session != NULL) { 1415 smb_session_delete(sv->sv_session); 1416 sv->sv_session = NULL; 1417 } 1418 1419 if (sv->sv_receiver_pool != NULL) { 1420 taskq_destroy(sv->sv_receiver_pool); 1421 sv->sv_receiver_pool = NULL; 1422 } 1423 1424 if (sv->sv_worker_pool != NULL) { 1425 taskq_destroy(sv->sv_worker_pool); 1426 sv->sv_worker_pool = NULL; 1427 } 1428 } 1429 1430 /* 1431 * smb_server_listener_init 1432 * 1433 * Initializes listener contexts. 1434 */ 1435 static void 1436 smb_server_listener_init( 1437 smb_server_t *sv, 1438 smb_listener_daemon_t *ld, 1439 char *name, 1440 in_port_t port, 1441 int family) 1442 { 1443 ASSERT(ld->ld_magic != SMB_LISTENER_MAGIC); 1444 1445 bzero(ld, sizeof (*ld)); 1446 1447 ld->ld_sv = sv; 1448 ld->ld_family = family; 1449 ld->ld_port = port; 1450 1451 if (family == AF_INET) { 1452 ld->ld_sin.sin_family = (uint32_t)family; 1453 ld->ld_sin.sin_port = htons(port); 1454 ld->ld_sin.sin_addr.s_addr = htonl(INADDR_ANY); 1455 } else { 1456 ld->ld_sin6.sin6_family = (uint32_t)family; 1457 ld->ld_sin6.sin6_port = htons(port); 1458 (void) memset(&ld->ld_sin6.sin6_addr.s6_addr, 0, 1459 sizeof (ld->ld_sin6.sin6_addr.s6_addr)); 1460 } 1461 1462 smb_llist_constructor(&ld->ld_session_list, sizeof (smb_session_t), 1463 offsetof(smb_session_t, s_lnd)); 1464 smb_thread_init(&ld->ld_thread, name, smb_server_listener, ld); 1465 ld->ld_magic = SMB_LISTENER_MAGIC; 1466 } 1467 1468 /* 1469 * smb_server_listener_destroy 1470 * 1471 * Destroyes listener contexts. 1472 */ 1473 static void 1474 smb_server_listener_destroy(smb_listener_daemon_t *ld) 1475 { 1476 SMB_LISTENER_VALID(ld); 1477 ASSERT(ld->ld_so == NULL); 1478 smb_thread_destroy(&ld->ld_thread); 1479 smb_llist_destructor(&ld->ld_session_list); 1480 ld->ld_magic = 0; 1481 } 1482 1483 /* 1484 * smb_server_listener_start 1485 * 1486 * Starts the listener associated with the context passed in. 1487 * 1488 * Return: 0 Success 1489 * not 0 Failure 1490 */ 1491 static int 1492 smb_server_listener_start(smb_listener_daemon_t *ld) 1493 { 1494 int rc; 1495 uint32_t on; 1496 uint32_t off; 1497 1498 SMB_LISTENER_VALID(ld); 1499 1500 if (ld->ld_so != NULL) 1501 return (EINVAL); 1502 1503 ld->ld_so = smb_socreate(ld->ld_family, SOCK_STREAM, 0); 1504 if (ld->ld_so == NULL) { 1505 cmn_err(CE_WARN, "port %d: socket create failed", ld->ld_port); 1506 return (ENOMEM); 1507 } 1508 1509 off = 0; 1510 (void) ksocket_setsockopt(ld->ld_so, SOL_SOCKET, 1511 SO_MAC_EXEMPT, &off, sizeof (off), CRED()); 1512 1513 on = 1; 1514 (void) ksocket_setsockopt(ld->ld_so, SOL_SOCKET, 1515 SO_REUSEADDR, &on, sizeof (on), CRED()); 1516 1517 if (ld->ld_family == AF_INET) { 1518 rc = ksocket_bind(ld->ld_so, 1519 (struct sockaddr *)&ld->ld_sin, 1520 sizeof (ld->ld_sin), CRED()); 1521 } else { 1522 rc = ksocket_bind(ld->ld_so, 1523 (struct sockaddr *)&ld->ld_sin6, 1524 sizeof (ld->ld_sin6), CRED()); 1525 } 1526 1527 if (rc != 0) { 1528 cmn_err(CE_WARN, "port %d: bind failed", ld->ld_port); 1529 return (rc); 1530 } 1531 1532 rc = ksocket_listen(ld->ld_so, 20, CRED()); 1533 if (rc < 0) { 1534 cmn_err(CE_WARN, "port %d: listen failed", ld->ld_port); 1535 return (rc); 1536 } 1537 1538 ksocket_hold(ld->ld_so); 1539 rc = smb_thread_start(&ld->ld_thread); 1540 if (rc != 0) { 1541 ksocket_rele(ld->ld_so); 1542 cmn_err(CE_WARN, "port %d: listener failed to start", 1543 ld->ld_port); 1544 return (rc); 1545 } 1546 return (0); 1547 } 1548 1549 /* 1550 * smb_server_listener_stop 1551 * 1552 * Stops the listener associated with the context passed in. 1553 */ 1554 static void 1555 smb_server_listener_stop(smb_listener_daemon_t *ld) 1556 { 1557 SMB_LISTENER_VALID(ld); 1558 1559 if (ld->ld_so != NULL) { 1560 smb_soshutdown(ld->ld_so); 1561 smb_sodestroy(ld->ld_so); 1562 smb_thread_stop(&ld->ld_thread); 1563 ld->ld_so = NULL; 1564 } 1565 } 1566 1567 /* 1568 * smb_server_listener 1569 * 1570 * Entry point of the listeners. 1571 */ 1572 static void 1573 smb_server_listener(smb_thread_t *thread, void *arg) 1574 { 1575 _NOTE(ARGUNUSED(thread)) 1576 smb_listener_daemon_t *ld; 1577 smb_session_t *session; 1578 ksocket_t s_so; 1579 int on; 1580 int txbuf_size; 1581 1582 ld = (smb_listener_daemon_t *)arg; 1583 1584 SMB_LISTENER_VALID(ld); 1585 1586 DTRACE_PROBE1(so__wait__accept, struct sonode *, ld->ld_so); 1587 1588 while (ksocket_accept(ld->ld_so, NULL, NULL, &s_so, CRED()) 1589 == 0) { 1590 DTRACE_PROBE1(so__accept, struct sonode *, s_so); 1591 1592 on = 1; 1593 (void) ksocket_setsockopt(s_so, IPPROTO_TCP, TCP_NODELAY, 1594 &on, sizeof (on), CRED()); 1595 1596 on = 1; 1597 (void) ksocket_setsockopt(s_so, SOL_SOCKET, SO_KEEPALIVE, 1598 &on, sizeof (on), CRED()); 1599 1600 txbuf_size = 128*1024; 1601 (void) ksocket_setsockopt(s_so, SOL_SOCKET, SO_SNDBUF, 1602 (const void *)&txbuf_size, sizeof (txbuf_size), CRED()); 1603 1604 /* 1605 * Create a session for this connection. 1606 */ 1607 smb_server_create_session(ld, s_so); 1608 } 1609 /* Disconnect all the sessions this listener created. */ 1610 smb_llist_enter(&ld->ld_session_list, RW_READER); 1611 session = smb_llist_head(&ld->ld_session_list); 1612 while (session != NULL) { 1613 smb_session_disconnect(session); 1614 session = smb_llist_next(&ld->ld_session_list, session); 1615 } 1616 smb_llist_exit(&ld->ld_session_list); 1617 ksocket_rele(ld->ld_so); 1618 } 1619 1620 /* 1621 * smb_server_receiver 1622 * 1623 * Entry point of the receiver threads. 1624 */ 1625 static void 1626 smb_server_receiver(void *arg) 1627 { 1628 smb_listener_daemon_t *ld; 1629 smb_session_t *session; 1630 1631 ld = ((smb_receiver_arg_t *)arg)->ra_listener; 1632 session = ((smb_receiver_arg_t *)arg)->ra_session; 1633 smb_mem_free(arg); 1634 smb_session_receiver(session); 1635 smb_server_destroy_session(ld, session); 1636 } 1637 1638 /* 1639 * smb_server_lookup 1640 * 1641 * This function tries to find the server associated with the zone of the 1642 * caller. 1643 */ 1644 static int 1645 smb_server_lookup(smb_server_t **psv) 1646 { 1647 zoneid_t zid; 1648 smb_server_t *sv; 1649 1650 zid = getzoneid(); 1651 1652 smb_llist_enter(&smb_servers, RW_READER); 1653 sv = smb_llist_head(&smb_servers); 1654 while (sv) { 1655 SMB_SERVER_VALID(sv); 1656 if (sv->sv_zid == zid) { 1657 mutex_enter(&sv->sv_mutex); 1658 if (sv->sv_state != SMB_SERVER_STATE_DELETING) { 1659 sv->sv_refcnt++; 1660 mutex_exit(&sv->sv_mutex); 1661 smb_llist_exit(&smb_servers); 1662 *psv = sv; 1663 return (0); 1664 } 1665 mutex_exit(&sv->sv_mutex); 1666 break; 1667 } 1668 sv = smb_llist_next(&smb_servers, sv); 1669 } 1670 smb_llist_exit(&smb_servers); 1671 return (EPERM); 1672 } 1673 1674 /* 1675 * smb_server_release 1676 * 1677 * This function decrements the reference count of the server and signals its 1678 * condition variable if the state of the server is SMB_SERVER_STATE_DELETING. 1679 */ 1680 static void 1681 smb_server_release(smb_server_t *sv) 1682 { 1683 SMB_SERVER_VALID(sv); 1684 1685 mutex_enter(&sv->sv_mutex); 1686 ASSERT(sv->sv_refcnt); 1687 sv->sv_refcnt--; 1688 if ((sv->sv_refcnt == 0) && (sv->sv_state == SMB_SERVER_STATE_DELETING)) 1689 cv_signal(&sv->sv_cv); 1690 mutex_exit(&sv->sv_mutex); 1691 } 1692 1693 /* 1694 * Enumerate the users associated with a session list. 1695 */ 1696 static void 1697 smb_server_enum_private(smb_llist_t *ll, smb_svcenum_t *svcenum) 1698 { 1699 smb_session_t *sn; 1700 smb_llist_t *ulist; 1701 smb_user_t *user; 1702 int rc = 0; 1703 1704 smb_llist_enter(ll, RW_READER); 1705 sn = smb_llist_head(ll); 1706 1707 while (sn != NULL) { 1708 SMB_SESSION_VALID(sn); 1709 ulist = &sn->s_user_list; 1710 smb_llist_enter(ulist, RW_READER); 1711 user = smb_llist_head(ulist); 1712 1713 while (user != NULL) { 1714 if (smb_user_hold(user)) { 1715 rc = smb_user_enum(user, svcenum); 1716 smb_user_release(user); 1717 } 1718 1719 user = smb_llist_next(ulist, user); 1720 } 1721 1722 smb_llist_exit(ulist); 1723 1724 if (rc != 0) 1725 break; 1726 1727 sn = smb_llist_next(ll, sn); 1728 } 1729 1730 smb_llist_exit(ll); 1731 } 1732 1733 /* 1734 * Disconnect sessions associated with the specified client and username. 1735 * Empty strings are treated as wildcards. 1736 */ 1737 static int 1738 smb_server_session_disconnect(smb_llist_t *ll, 1739 const char *client, const char *name) 1740 { 1741 smb_session_t *sn; 1742 smb_llist_t *ulist; 1743 smb_user_t *user; 1744 boolean_t match; 1745 int count = 0; 1746 1747 smb_llist_enter(ll, RW_READER); 1748 sn = smb_llist_head(ll); 1749 1750 while (sn != NULL) { 1751 SMB_SESSION_VALID(sn); 1752 1753 if ((*client != '\0') && (!smb_session_isclient(sn, client))) { 1754 sn = smb_llist_next(ll, sn); 1755 continue; 1756 } 1757 1758 ulist = &sn->s_user_list; 1759 smb_llist_enter(ulist, RW_READER); 1760 user = smb_llist_head(ulist); 1761 1762 while (user != NULL) { 1763 if (smb_user_hold(user)) { 1764 match = (*name == '\0'); 1765 if (!match) 1766 match = smb_user_namecmp(user, name); 1767 1768 if (match) { 1769 smb_llist_exit(ulist); 1770 smb_user_logoff(user); 1771 ++count; 1772 smb_user_release(user); 1773 smb_llist_enter(ulist, RW_READER); 1774 user = smb_llist_head(ulist); 1775 continue; 1776 } 1777 1778 smb_user_release(user); 1779 } 1780 1781 user = smb_llist_next(ulist, user); 1782 } 1783 1784 smb_llist_exit(ulist); 1785 sn = smb_llist_next(ll, sn); 1786 } 1787 1788 smb_llist_exit(ll); 1789 return (count); 1790 } 1791 1792 /* 1793 * Close a file by its unique id. 1794 */ 1795 static int 1796 smb_server_fclose(smb_llist_t *ll, uint32_t uniqid) 1797 { 1798 smb_session_t *sn; 1799 smb_llist_t *ulist; 1800 smb_user_t *user; 1801 int rc = ENOENT; 1802 1803 smb_llist_enter(ll, RW_READER); 1804 sn = smb_llist_head(ll); 1805 1806 while ((sn != NULL) && (rc == ENOENT)) { 1807 SMB_SESSION_VALID(sn); 1808 ulist = &sn->s_user_list; 1809 smb_llist_enter(ulist, RW_READER); 1810 user = smb_llist_head(ulist); 1811 1812 while ((user != NULL) && (rc == ENOENT)) { 1813 if (smb_user_hold(user)) { 1814 rc = smb_user_fclose(user, uniqid); 1815 smb_user_release(user); 1816 } 1817 1818 user = smb_llist_next(ulist, user); 1819 } 1820 1821 smb_llist_exit(ulist); 1822 sn = smb_llist_next(ll, sn); 1823 } 1824 1825 smb_llist_exit(ll); 1826 return (rc); 1827 } 1828 1829 static void 1830 smb_server_store_cfg(smb_server_t *sv, smb_ioc_cfg_t *ioc) 1831 { 1832 if (ioc->maxconnections == 0) 1833 ioc->maxconnections = 0xFFFFFFFF; 1834 1835 smb_session_correct_keep_alive_values( 1836 &sv->sv_nbt_daemon.ld_session_list, ioc->keepalive); 1837 smb_session_correct_keep_alive_values( 1838 &sv->sv_tcp_daemon.ld_session_list, ioc->keepalive); 1839 1840 sv->sv_cfg.skc_maxworkers = ioc->maxworkers; 1841 sv->sv_cfg.skc_maxconnections = ioc->maxconnections; 1842 sv->sv_cfg.skc_keepalive = ioc->keepalive; 1843 sv->sv_cfg.skc_restrict_anon = ioc->restrict_anon; 1844 sv->sv_cfg.skc_signing_enable = ioc->signing_enable; 1845 sv->sv_cfg.skc_signing_required = ioc->signing_required; 1846 sv->sv_cfg.skc_oplock_enable = ioc->oplock_enable; 1847 sv->sv_cfg.skc_sync_enable = ioc->sync_enable; 1848 sv->sv_cfg.skc_secmode = ioc->secmode; 1849 sv->sv_cfg.skc_ipv6_enable = ioc->ipv6_enable; 1850 sv->sv_cfg.skc_print_enable = ioc->print_enable; 1851 sv->sv_cfg.skc_execflags = ioc->exec_flags; 1852 sv->sv_cfg.skc_version = ioc->version; 1853 (void) strlcpy(sv->sv_cfg.skc_nbdomain, ioc->nbdomain, 1854 sizeof (sv->sv_cfg.skc_nbdomain)); 1855 (void) strlcpy(sv->sv_cfg.skc_fqdn, ioc->fqdn, 1856 sizeof (sv->sv_cfg.skc_fqdn)); 1857 (void) strlcpy(sv->sv_cfg.skc_hostname, ioc->hostname, 1858 sizeof (sv->sv_cfg.skc_hostname)); 1859 (void) strlcpy(sv->sv_cfg.skc_system_comment, ioc->system_comment, 1860 sizeof (sv->sv_cfg.skc_system_comment)); 1861 } 1862 1863 static int 1864 smb_server_fsop_start(smb_server_t *sv) 1865 { 1866 int error; 1867 1868 error = smb_node_root_init(rootdir, sv, &sv->si_root_smb_node); 1869 if (error != 0) 1870 sv->si_root_smb_node = NULL; 1871 1872 return (error); 1873 } 1874 1875 static void 1876 smb_server_fsop_stop(smb_server_t *sv) 1877 { 1878 if (sv->si_root_smb_node != NULL) { 1879 smb_node_release(sv->si_root_smb_node); 1880 sv->si_root_smb_node = NULL; 1881 } 1882 } 1883 1884 smb_event_t * 1885 smb_event_create(int timeout) 1886 { 1887 smb_server_t *sv; 1888 smb_event_t *event; 1889 1890 if (smb_server_is_stopping()) 1891 return (NULL); 1892 1893 if (smb_server_lookup(&sv) != 0) { 1894 cmn_err(CE_NOTE, "smb_event_create failed"); 1895 return (NULL); 1896 } 1897 1898 event = kmem_cache_alloc(sv->si_cache_event, KM_SLEEP); 1899 1900 bzero(event, sizeof (smb_event_t)); 1901 mutex_init(&event->se_mutex, NULL, MUTEX_DEFAULT, NULL); 1902 cv_init(&event->se_cv, NULL, CV_DEFAULT, NULL); 1903 event->se_magic = SMB_EVENT_MAGIC; 1904 event->se_txid = smb_event_alloc_txid(); 1905 event->se_server = sv; 1906 event->se_timeout = timeout; 1907 1908 smb_llist_enter(&sv->sv_event_list, RW_WRITER); 1909 smb_llist_insert_tail(&sv->sv_event_list, event); 1910 smb_llist_exit(&sv->sv_event_list); 1911 1912 smb_server_release(sv); 1913 return (event); 1914 } 1915 1916 void 1917 smb_event_destroy(smb_event_t *event) 1918 { 1919 smb_server_t *sv; 1920 1921 if (event == NULL) 1922 return; 1923 1924 SMB_EVENT_VALID(event); 1925 ASSERT(event->se_waittime == 0); 1926 1927 if (smb_server_lookup(&sv) != 0) 1928 return; 1929 1930 smb_llist_enter(&sv->sv_event_list, RW_WRITER); 1931 smb_llist_remove(&sv->sv_event_list, event); 1932 smb_llist_exit(&sv->sv_event_list); 1933 1934 event->se_magic = (uint32_t)~SMB_EVENT_MAGIC; 1935 cv_destroy(&event->se_cv); 1936 mutex_destroy(&event->se_mutex); 1937 1938 kmem_cache_free(sv->si_cache_event, event); 1939 smb_server_release(sv); 1940 } 1941 1942 /* 1943 * Get the txid for the specified event. 1944 */ 1945 uint32_t 1946 smb_event_txid(smb_event_t *event) 1947 { 1948 if (event != NULL) { 1949 SMB_EVENT_VALID(event); 1950 return (event->se_txid); 1951 } 1952 1953 cmn_err(CE_NOTE, "smb_event_txid failed"); 1954 return ((uint32_t)-1); 1955 } 1956 1957 /* 1958 * Wait for event notification. 1959 */ 1960 int 1961 smb_event_wait(smb_event_t *event) 1962 { 1963 int seconds = 1; 1964 int ticks; 1965 1966 if (event == NULL) 1967 return (EINVAL); 1968 1969 SMB_EVENT_VALID(event); 1970 1971 mutex_enter(&event->se_mutex); 1972 event->se_waittime = 1; 1973 event->se_errno = 0; 1974 1975 while (!(event->se_notified)) { 1976 if (smb_event_debug && ((event->se_waittime % 30) == 0)) 1977 cmn_err(CE_NOTE, "smb_event_wait[%d] (%d sec)", 1978 event->se_txid, event->se_waittime); 1979 1980 if (event->se_errno != 0) 1981 break; 1982 1983 if (event->se_waittime > event->se_timeout) { 1984 event->se_errno = ETIME; 1985 break; 1986 } 1987 1988 ticks = SEC_TO_TICK(seconds); 1989 (void) cv_reltimedwait(&event->se_cv, 1990 &event->se_mutex, (clock_t)ticks, TR_CLOCK_TICK); 1991 ++event->se_waittime; 1992 } 1993 1994 event->se_waittime = 0; 1995 event->se_notified = B_FALSE; 1996 cv_signal(&event->se_cv); 1997 mutex_exit(&event->se_mutex); 1998 return (event->se_errno); 1999 } 2000 2001 /* 2002 * If txid is non-zero, cancel the specified event. 2003 * Otherwise, cancel all events. 2004 */ 2005 static void 2006 smb_event_cancel(smb_server_t *sv, uint32_t txid) 2007 { 2008 smb_event_t *event; 2009 smb_llist_t *event_list; 2010 2011 SMB_SERVER_VALID(sv); 2012 2013 event_list = &sv->sv_event_list; 2014 smb_llist_enter(event_list, RW_WRITER); 2015 2016 event = smb_llist_head(event_list); 2017 while (event) { 2018 SMB_EVENT_VALID(event); 2019 2020 if (txid == 0 || event->se_txid == txid) { 2021 mutex_enter(&event->se_mutex); 2022 event->se_errno = ECANCELED; 2023 event->se_notified = B_TRUE; 2024 cv_signal(&event->se_cv); 2025 mutex_exit(&event->se_mutex); 2026 2027 if (txid != 0) 2028 break; 2029 } 2030 2031 event = smb_llist_next(event_list, event); 2032 } 2033 2034 smb_llist_exit(event_list); 2035 } 2036 2037 /* 2038 * If txid is non-zero, notify the specified event. 2039 * Otherwise, notify all events. 2040 */ 2041 void 2042 smb_event_notify(smb_server_t *sv, uint32_t txid) 2043 { 2044 smb_event_t *event; 2045 smb_llist_t *event_list; 2046 2047 SMB_SERVER_VALID(sv); 2048 2049 event_list = &sv->sv_event_list; 2050 smb_llist_enter(event_list, RW_READER); 2051 2052 event = smb_llist_head(event_list); 2053 while (event) { 2054 SMB_EVENT_VALID(event); 2055 2056 if (txid == 0 || event->se_txid == txid) { 2057 mutex_enter(&event->se_mutex); 2058 event->se_notified = B_TRUE; 2059 cv_signal(&event->se_cv); 2060 mutex_exit(&event->se_mutex); 2061 2062 if (txid != 0) 2063 break; 2064 } 2065 2066 event = smb_llist_next(event_list, event); 2067 } 2068 2069 smb_llist_exit(event_list); 2070 } 2071 2072 /* 2073 * Allocate a new transaction id (txid). 2074 * 2075 * 0 or -1 are not assigned because they are used to detect invalid 2076 * conditions or to indicate all open id's. 2077 */ 2078 static uint32_t 2079 smb_event_alloc_txid(void) 2080 { 2081 static kmutex_t txmutex; 2082 static uint32_t txid; 2083 uint32_t txid_ret; 2084 2085 mutex_enter(&txmutex); 2086 2087 if (txid == 0) 2088 txid = ddi_get_lbolt() << 11; 2089 2090 do { 2091 ++txid; 2092 } while (txid == 0 || txid == (uint32_t)-1); 2093 2094 txid_ret = txid; 2095 mutex_exit(&txmutex); 2096 2097 return (txid_ret); 2098 } 2099 2100 /* 2101 * Called by the ioctl to find the corresponding 2102 * spooldoc node. removes node on success 2103 * 2104 * Return values 2105 * rc 2106 * B_FALSE - not found 2107 * B_TRUE - found 2108 * 2109 */ 2110 2111 static boolean_t 2112 smb_spool_lookup_doc_byfid(smb_server_t *sv, uint16_t fid, 2113 smb_kspooldoc_t *spdoc) 2114 { 2115 smb_kspooldoc_t *sp; 2116 smb_llist_t *splist; 2117 2118 splist = &sv->sp_info.sp_list; 2119 smb_llist_enter(splist, RW_WRITER); 2120 sp = smb_llist_head(splist); 2121 while (sp != NULL) { 2122 /* 2123 * check for a matching fid 2124 */ 2125 if (sp->sd_fid == fid) { 2126 *spdoc = *sp; 2127 smb_llist_remove(splist, sp); 2128 smb_llist_exit(splist); 2129 kmem_free(sp, sizeof (smb_kspooldoc_t)); 2130 return (B_TRUE); 2131 } 2132 sp = smb_llist_next(splist, sp); 2133 } 2134 cmn_err(CE_WARN, "smb_spool_lookup_user_byfid: no fid:%d", fid); 2135 smb_llist_exit(splist); 2136 return (B_FALSE); 2137 } 2138 2139 /* 2140 * Adds the spool fid to a linked list to be used 2141 * as a search key in the spooldoc queue 2142 * 2143 * Return values 2144 * rc non-zero error 2145 * rc zero success 2146 * 2147 */ 2148 2149 int 2150 smb_spool_add_fid(uint16_t fid) 2151 { 2152 smb_llist_t *fidlist; 2153 smb_server_t *sv; 2154 smb_spoolfid_t *sf; 2155 int rc = 0; 2156 2157 rc = smb_server_lookup(&sv); 2158 if (rc) 2159 return (rc); 2160 2161 sf = kmem_zalloc(sizeof (smb_spoolfid_t), KM_SLEEP); 2162 fidlist = &sv->sp_info.sp_fidlist; 2163 smb_llist_enter(fidlist, RW_WRITER); 2164 sf->sf_fid = fid; 2165 smb_llist_insert_tail(fidlist, sf); 2166 smb_llist_exit(fidlist); 2167 smb_server_release(sv); 2168 return (rc); 2169 } 2170 2171 /* 2172 * Called by the ioctl to get and remove the head of the fid list 2173 * 2174 * Return values 2175 * int fd 2176 * greater than 0 success 2177 * 0 - error 2178 * 2179 */ 2180 2181 static uint16_t 2182 smb_spool_get_fid(smb_server_t *sv) 2183 { 2184 smb_spoolfid_t *spfid; 2185 smb_llist_t *splist; 2186 uint16_t fid; 2187 2188 splist = &sv->sp_info.sp_fidlist; 2189 smb_llist_enter(splist, RW_WRITER); 2190 spfid = smb_llist_head(splist); 2191 if (spfid != NULL) { 2192 fid = spfid->sf_fid; 2193 smb_llist_remove(&sv->sp_info.sp_fidlist, spfid); 2194 kmem_free(spfid, sizeof (smb_spoolfid_t)); 2195 } else { 2196 fid = 0; 2197 } 2198 smb_llist_exit(splist); 2199 return (fid); 2200 } 2201 2202 /* 2203 * Adds the spooldoc to the tail of the spooldoc list 2204 * 2205 * Return values 2206 * rc non-zero error 2207 * rc zero success 2208 */ 2209 int 2210 smb_spool_add_doc(smb_kspooldoc_t *sp) 2211 { 2212 smb_llist_t *splist; 2213 smb_server_t *sv; 2214 int rc = 0; 2215 2216 rc = smb_server_lookup(&sv); 2217 if (rc) 2218 return (rc); 2219 2220 splist = &sv->sp_info.sp_list; 2221 smb_llist_enter(splist, RW_WRITER); 2222 sp->sd_spool_num = atomic_inc_32_nv(&sv->sp_info.sp_cnt); 2223 smb_llist_insert_tail(splist, sp); 2224 smb_llist_exit(splist); 2225 smb_server_release(sv); 2226 return (rc); 2227 } 2228 2229 /* 2230 * smb_server_create_session 2231 */ 2232 static void 2233 smb_server_create_session(smb_listener_daemon_t *ld, ksocket_t s_so) 2234 { 2235 smb_session_t *session; 2236 smb_receiver_arg_t *rarg; 2237 2238 session = smb_session_create(s_so, ld->ld_port, ld->ld_sv, 2239 ld->ld_family); 2240 2241 if (session != NULL) { 2242 smb_llist_enter(&ld->ld_session_list, RW_WRITER); 2243 smb_llist_insert_tail(&ld->ld_session_list, session); 2244 smb_llist_exit(&ld->ld_session_list); 2245 2246 rarg = (smb_receiver_arg_t *)smb_mem_alloc( 2247 sizeof (smb_receiver_arg_t)); 2248 rarg->ra_listener = ld; 2249 rarg->ra_session = session; 2250 2251 if (taskq_dispatch(ld->ld_sv->sv_receiver_pool, 2252 smb_server_receiver, rarg, TQ_NOQUEUE) != 0) 2253 return; 2254 2255 smb_mem_free(rarg); 2256 smb_session_disconnect(session); 2257 smb_server_destroy_session(ld, session); 2258 } else { 2259 smb_soshutdown(s_so); 2260 smb_sodestroy(s_so); 2261 } 2262 cmn_err(CE_WARN, "SMB Session: creation failed"); 2263 } 2264 2265 static void 2266 smb_server_destroy_session(smb_listener_daemon_t *ld, smb_session_t *session) 2267 { 2268 smb_llist_enter(&ld->ld_session_list, RW_WRITER); 2269 smb_llist_remove(&ld->ld_session_list, session); 2270 smb_llist_exit(&ld->ld_session_list); 2271 smb_session_delete(session); 2272 } 2273