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 2012 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 void smb_server_store_cfg(smb_server_t *, smb_ioc_cfg_t *); 234 static void smb_server_shutdown(smb_server_t *); 235 static int smb_server_fsop_start(smb_server_t *); 236 static void smb_server_fsop_stop(smb_server_t *); 237 static void smb_event_cancel(smb_server_t *, uint32_t); 238 static uint32_t smb_event_alloc_txid(void); 239 240 static void smb_server_disconnect_share(smb_llist_t *, const char *); 241 static void smb_server_enum_users(smb_llist_t *, smb_svcenum_t *); 242 static void smb_server_enum_trees(smb_llist_t *, smb_svcenum_t *); 243 static int smb_server_session_disconnect(smb_llist_t *, const char *, 244 const char *); 245 static int smb_server_fclose(smb_llist_t *, uint32_t); 246 static int smb_server_kstat_update(kstat_t *, int); 247 static int smb_server_legacy_kstat_update(kstat_t *, int); 248 static void smb_server_listener_init(smb_server_t *, smb_listener_daemon_t *, 249 char *, in_port_t, int); 250 static void smb_server_listener_destroy(smb_listener_daemon_t *); 251 static int smb_server_listener_start(smb_listener_daemon_t *); 252 static void smb_server_listener_stop(smb_listener_daemon_t *); 253 static void smb_server_listener(smb_thread_t *, void *); 254 static void smb_server_receiver(void *); 255 static void smb_server_create_session(smb_listener_daemon_t *, ksocket_t); 256 static void smb_server_destroy_session(smb_listener_daemon_t *, 257 smb_session_t *); 258 static uint16_t smb_spool_get_fid(smb_server_t *); 259 static boolean_t smb_spool_lookup_doc_byfid(smb_server_t *, uint16_t, 260 smb_kspooldoc_t *); 261 262 int smb_event_debug = 0; 263 264 static smb_llist_t smb_servers; 265 266 kmem_cache_t *smb_cache_request; 267 kmem_cache_t *smb_cache_session; 268 kmem_cache_t *smb_cache_user; 269 kmem_cache_t *smb_cache_tree; 270 kmem_cache_t *smb_cache_ofile; 271 kmem_cache_t *smb_cache_odir; 272 kmem_cache_t *smb_cache_opipe; 273 kmem_cache_t *smb_cache_event; 274 275 /* 276 * ***************************************************************************** 277 * **************** Functions called from the device interface ***************** 278 * ***************************************************************************** 279 * 280 * These functions typically have to determine the relevant smb server 281 * to which the call applies. 282 */ 283 284 /* 285 * smb_server_g_init 286 * 287 * This function must be called from smb_drv_attach(). 288 */ 289 int 290 smb_server_g_init(void) 291 { 292 int rc; 293 294 if ((rc = smb_vop_init()) != 0) 295 goto errout; 296 if ((rc = smb_fem_init()) != 0) 297 goto errout; 298 if ((rc = smb_oplock_init()) != 0) 299 goto errout; 300 301 smb_kshare_g_init(); 302 smb_codepage_init(); 303 smb_mbc_init(); /* smb_mbc_cache */ 304 smb_net_init(); /* smb_txr_cache */ 305 smb_node_init(); /* smb_node_cache, lists */ 306 smb_sign_g_init(); 307 308 smb_cache_request = kmem_cache_create("smb_request_cache", 309 sizeof (smb_request_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 310 smb_cache_session = kmem_cache_create("smb_session_cache", 311 sizeof (smb_session_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 312 smb_cache_user = kmem_cache_create("smb_user_cache", 313 sizeof (smb_user_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 314 smb_cache_tree = kmem_cache_create("smb_tree_cache", 315 sizeof (smb_tree_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 316 smb_cache_ofile = kmem_cache_create("smb_ofile_cache", 317 sizeof (smb_ofile_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 318 smb_cache_odir = kmem_cache_create("smb_odir_cache", 319 sizeof (smb_odir_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 320 smb_cache_opipe = kmem_cache_create("smb_opipe_cache", 321 sizeof (smb_opipe_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 322 smb_cache_event = kmem_cache_create("smb_event_cache", 323 sizeof (smb_event_t), 8, NULL, NULL, NULL, NULL, NULL, 0); 324 325 smb_llist_init(); 326 smb_llist_constructor(&smb_servers, sizeof (smb_server_t), 327 offsetof(smb_server_t, sv_lnd)); 328 329 return (0); 330 331 errout: 332 smb_fem_fini(); 333 smb_vop_fini(); 334 return (rc); 335 } 336 337 /* 338 * smb_server_g_fini 339 * 340 * This function must called from smb_drv_detach(). It will fail if servers 341 * still exist. 342 */ 343 int 344 smb_server_g_fini(void) 345 { 346 347 if (smb_llist_get_count(&smb_servers) != 0) 348 return (EBUSY); 349 smb_llist_fini(); 350 351 kmem_cache_destroy(smb_cache_request); 352 kmem_cache_destroy(smb_cache_session); 353 kmem_cache_destroy(smb_cache_user); 354 kmem_cache_destroy(smb_cache_tree); 355 kmem_cache_destroy(smb_cache_ofile); 356 kmem_cache_destroy(smb_cache_odir); 357 kmem_cache_destroy(smb_cache_opipe); 358 kmem_cache_destroy(smb_cache_event); 359 360 smb_node_fini(); 361 smb_net_fini(); 362 smb_mbc_fini(); 363 smb_kshare_g_fini(); 364 365 smb_oplock_fini(); 366 smb_fem_fini(); 367 smb_vop_fini(); 368 369 smb_llist_destructor(&smb_servers); 370 371 return (0); 372 } 373 374 /* 375 * smb_server_create 376 * 377 * This function will fail if there's already a server associated with the 378 * caller's zone. 379 */ 380 int 381 smb_server_create(void) 382 { 383 zoneid_t zid; 384 smb_server_t *sv; 385 386 zid = getzoneid(); 387 388 smb_llist_enter(&smb_servers, RW_WRITER); 389 sv = smb_llist_head(&smb_servers); 390 while (sv) { 391 SMB_SERVER_VALID(sv); 392 if (sv->sv_zid == zid) { 393 smb_llist_exit(&smb_servers); 394 return (EPERM); 395 } 396 sv = smb_llist_next(&smb_servers, sv); 397 } 398 399 sv = kmem_zalloc(sizeof (smb_server_t), KM_SLEEP); 400 401 sv->sv_magic = SMB_SERVER_MAGIC; 402 sv->sv_state = SMB_SERVER_STATE_CREATED; 403 sv->sv_zid = zid; 404 sv->sv_pid = curproc->p_pid; 405 406 mutex_init(&sv->sv_mutex, NULL, MUTEX_DEFAULT, NULL); 407 cv_init(&sv->sv_cv, NULL, CV_DEFAULT, NULL); 408 cv_init(&sv->sp_info.sp_cv, NULL, CV_DEFAULT, NULL); 409 410 smb_llist_constructor(&sv->sv_opipe_list, sizeof (smb_opipe_t), 411 offsetof(smb_opipe_t, p_lnd)); 412 413 smb_llist_constructor(&sv->sv_event_list, sizeof (smb_event_t), 414 offsetof(smb_event_t, se_lnd)); 415 416 smb_llist_constructor(&sv->sp_info.sp_list, sizeof (smb_kspooldoc_t), 417 offsetof(smb_kspooldoc_t, sd_lnd)); 418 419 smb_llist_constructor(&sv->sp_info.sp_fidlist, 420 sizeof (smb_spoolfid_t), offsetof(smb_spoolfid_t, sf_lnd)); 421 422 sv->sv_disp_stats = kmem_zalloc(SMB_COM_NUM * 423 sizeof (smb_disp_stats_t), KM_SLEEP); 424 425 smb_thread_init(&sv->si_thread_timers, "smb_timers", 426 smb_server_timers, sv, smbsrv_timer_pri); 427 428 smb_srqueue_init(&sv->sv_srqueue); 429 430 smb_kdoor_init(sv); 431 smb_kshare_init(sv); 432 smb_opipe_door_init(sv); 433 smb_server_kstat_init(sv); 434 435 smb_threshold_init(&sv->sv_ssetup_ct, SMB_SSETUP_CMD, 436 smb_ssetup_threshold, smb_ssetup_timeout); 437 smb_threshold_init(&sv->sv_tcon_ct, SMB_TCON_CMD, 438 smb_tcon_threshold, smb_tcon_timeout); 439 smb_threshold_init(&sv->sv_opipe_ct, SMB_OPIPE_CMD, 440 smb_opipe_threshold, smb_opipe_timeout); 441 442 smb_llist_insert_tail(&smb_servers, sv); 443 smb_llist_exit(&smb_servers); 444 445 return (0); 446 } 447 448 /* 449 * smb_server_delete 450 * 451 * This function will delete the server passed in. It will make sure that all 452 * activity associated that server has ceased before destroying it. 453 */ 454 int 455 smb_server_delete(void) 456 { 457 smb_server_t *sv; 458 int rc; 459 460 rc = smb_server_lookup(&sv); 461 if (rc != 0) 462 return (rc); 463 464 mutex_enter(&sv->sv_mutex); 465 switch (sv->sv_state) { 466 case SMB_SERVER_STATE_RUNNING: 467 sv->sv_state = SMB_SERVER_STATE_STOPPING; 468 mutex_exit(&sv->sv_mutex); 469 smb_server_shutdown(sv); 470 mutex_enter(&sv->sv_mutex); 471 cv_broadcast(&sv->sp_info.sp_cv); 472 sv->sv_state = SMB_SERVER_STATE_DELETING; 473 break; 474 case SMB_SERVER_STATE_STOPPING: 475 sv->sv_state = SMB_SERVER_STATE_DELETING; 476 break; 477 case SMB_SERVER_STATE_CONFIGURED: 478 case SMB_SERVER_STATE_CREATED: 479 sv->sv_state = SMB_SERVER_STATE_DELETING; 480 break; 481 default: 482 SMB_SERVER_STATE_VALID(sv->sv_state); 483 mutex_exit(&sv->sv_mutex); 484 smb_server_release(sv); 485 return (ENOTTY); 486 } 487 488 ASSERT(sv->sv_state == SMB_SERVER_STATE_DELETING); 489 490 sv->sv_refcnt--; 491 while (sv->sv_refcnt) 492 cv_wait(&sv->sv_cv, &sv->sv_mutex); 493 494 mutex_exit(&sv->sv_mutex); 495 496 smb_llist_enter(&smb_servers, RW_WRITER); 497 smb_llist_remove(&smb_servers, sv); 498 smb_llist_exit(&smb_servers); 499 500 smb_threshold_fini(&sv->sv_ssetup_ct); 501 smb_threshold_fini(&sv->sv_tcon_ct); 502 smb_threshold_fini(&sv->sv_opipe_ct); 503 504 smb_server_listener_destroy(&sv->sv_nbt_daemon); 505 smb_server_listener_destroy(&sv->sv_tcp_daemon); 506 rw_destroy(&sv->sv_cfg_lock); 507 smb_server_kstat_fini(sv); 508 smb_opipe_door_fini(sv); 509 smb_kshare_fini(sv); 510 smb_kdoor_fini(sv); 511 smb_llist_destructor(&sv->sv_opipe_list); 512 smb_llist_destructor(&sv->sv_event_list); 513 514 kmem_free(sv->sv_disp_stats, 515 SMB_COM_NUM * sizeof (smb_disp_stats_t)); 516 517 smb_srqueue_destroy(&sv->sv_srqueue); 518 smb_thread_destroy(&sv->si_thread_timers); 519 520 mutex_destroy(&sv->sv_mutex); 521 cv_destroy(&sv->sv_cv); 522 sv->sv_magic = 0; 523 kmem_free(sv, sizeof (smb_server_t)); 524 525 return (0); 526 } 527 528 /* 529 * smb_server_configure 530 */ 531 int 532 smb_server_configure(smb_ioc_cfg_t *ioc) 533 { 534 int rc = 0; 535 smb_server_t *sv; 536 537 rc = smb_server_lookup(&sv); 538 if (rc) 539 return (rc); 540 541 mutex_enter(&sv->sv_mutex); 542 switch (sv->sv_state) { 543 case SMB_SERVER_STATE_CREATED: 544 smb_server_store_cfg(sv, ioc); 545 sv->sv_state = SMB_SERVER_STATE_CONFIGURED; 546 break; 547 548 case SMB_SERVER_STATE_CONFIGURED: 549 smb_server_store_cfg(sv, ioc); 550 break; 551 552 case SMB_SERVER_STATE_RUNNING: 553 case SMB_SERVER_STATE_STOPPING: 554 rw_enter(&sv->sv_cfg_lock, RW_WRITER); 555 smb_server_store_cfg(sv, ioc); 556 rw_exit(&sv->sv_cfg_lock); 557 break; 558 559 default: 560 SMB_SERVER_STATE_VALID(sv->sv_state); 561 rc = EFAULT; 562 break; 563 } 564 mutex_exit(&sv->sv_mutex); 565 566 smb_server_release(sv); 567 568 return (rc); 569 } 570 571 /* 572 * smb_server_start 573 */ 574 int 575 smb_server_start(smb_ioc_start_t *ioc) 576 { 577 int rc = 0; 578 int family; 579 smb_server_t *sv; 580 581 rc = smb_server_lookup(&sv); 582 if (rc) 583 return (rc); 584 585 mutex_enter(&sv->sv_mutex); 586 switch (sv->sv_state) { 587 case SMB_SERVER_STATE_CONFIGURED: 588 589 if ((rc = smb_server_fsop_start(sv)) != 0) 590 break; 591 592 if ((rc = smb_kshare_start(sv)) != 0) 593 break; 594 595 sv->sv_worker_pool = taskq_create_proc("smb_workers", 596 sv->sv_cfg.skc_maxworkers, smbsrv_worker_pri, 597 sv->sv_cfg.skc_maxworkers, INT_MAX, 598 curzone->zone_zsched, TASKQ_DYNAMIC); 599 600 sv->sv_receiver_pool = taskq_create_proc("smb_receivers", 601 sv->sv_cfg.skc_maxconnections, smbsrv_receive_pri, 602 sv->sv_cfg.skc_maxconnections, INT_MAX, 603 curzone->zone_zsched, TASKQ_DYNAMIC); 604 605 sv->sv_session = smb_session_create(NULL, 0, sv, 0); 606 607 if (sv->sv_worker_pool == NULL || sv->sv_session == NULL) { 608 rc = ENOMEM; 609 break; 610 } 611 612 ASSERT(sv->sv_lmshrd == NULL); 613 sv->sv_lmshrd = smb_kshare_door_init(ioc->lmshrd); 614 if (sv->sv_lmshrd == NULL) 615 break; 616 if (rc = smb_kdoor_open(sv, ioc->udoor)) { 617 cmn_err(CE_WARN, "Cannot open smbd door"); 618 break; 619 } 620 if (rc = smb_opipe_door_open(sv, ioc->opipe)) { 621 cmn_err(CE_WARN, "Cannot open opipe door"); 622 break; 623 } 624 if (rc = smb_thread_start(&sv->si_thread_timers)) 625 break; 626 627 family = AF_INET; 628 smb_server_listener_init(sv, &sv->sv_nbt_daemon, 629 "smb_nbt_listener", IPPORT_NETBIOS_SSN, family); 630 if (sv->sv_cfg.skc_ipv6_enable) 631 family = AF_INET6; 632 smb_server_listener_init(sv, &sv->sv_tcp_daemon, 633 "smb_tcp_listener", IPPORT_SMB, family); 634 rc = smb_server_listener_start(&sv->sv_nbt_daemon); 635 if (rc != 0) 636 break; 637 rc = smb_server_listener_start(&sv->sv_tcp_daemon); 638 if (rc != 0) 639 break; 640 641 sv->sv_state = SMB_SERVER_STATE_RUNNING; 642 sv->sv_start_time = gethrtime(); 643 mutex_exit(&sv->sv_mutex); 644 smb_server_release(sv); 645 smb_export_start(sv); 646 return (0); 647 default: 648 SMB_SERVER_STATE_VALID(sv->sv_state); 649 mutex_exit(&sv->sv_mutex); 650 smb_server_release(sv); 651 return (ENOTTY); 652 } 653 654 mutex_exit(&sv->sv_mutex); 655 smb_server_shutdown(sv); 656 smb_server_release(sv); 657 return (rc); 658 } 659 660 /* 661 * An smbd is shutting down. 662 */ 663 int 664 smb_server_stop(void) 665 { 666 smb_server_t *sv; 667 int rc; 668 669 if ((rc = smb_server_lookup(&sv)) != 0) 670 return (rc); 671 672 mutex_enter(&sv->sv_mutex); 673 switch (sv->sv_state) { 674 case SMB_SERVER_STATE_RUNNING: 675 sv->sv_state = SMB_SERVER_STATE_STOPPING; 676 mutex_exit(&sv->sv_mutex); 677 smb_server_shutdown(sv); 678 mutex_enter(&sv->sv_mutex); 679 cv_broadcast(&sv->sp_info.sp_cv); 680 break; 681 default: 682 SMB_SERVER_STATE_VALID(sv->sv_state); 683 break; 684 } 685 mutex_exit(&sv->sv_mutex); 686 687 smb_server_release(sv); 688 return (0); 689 } 690 691 boolean_t 692 smb_server_is_stopping(smb_server_t *sv) 693 { 694 boolean_t status; 695 696 SMB_SERVER_VALID(sv); 697 698 mutex_enter(&sv->sv_mutex); 699 700 switch (sv->sv_state) { 701 case SMB_SERVER_STATE_STOPPING: 702 case SMB_SERVER_STATE_DELETING: 703 status = B_TRUE; 704 break; 705 default: 706 status = B_FALSE; 707 break; 708 } 709 710 mutex_exit(&sv->sv_mutex); 711 return (status); 712 } 713 714 void 715 smb_server_cancel_event(smb_server_t *sv, uint32_t txid) 716 { 717 smb_event_cancel(sv, txid); 718 } 719 720 int 721 smb_server_notify_event(smb_ioc_event_t *ioc) 722 { 723 smb_server_t *sv; 724 int rc; 725 726 if ((rc = smb_server_lookup(&sv)) == 0) { 727 smb_event_notify(sv, ioc->txid); 728 smb_server_release(sv); 729 } 730 731 return (rc); 732 } 733 734 /* 735 * smb_server_spooldoc 736 * 737 * Waits for print file close broadcast. 738 * Gets the head of the fid list, 739 * then searches the spooldoc list and returns 740 * this info via the ioctl to user land. 741 * 742 * rc - 0 success 743 */ 744 745 int 746 smb_server_spooldoc(smb_ioc_spooldoc_t *ioc) 747 { 748 smb_server_t *sv; 749 int rc; 750 smb_kspooldoc_t *spdoc; 751 uint16_t fid; 752 753 if ((rc = smb_server_lookup(&sv)) != 0) 754 return (rc); 755 756 if (sv->sv_cfg.skc_print_enable == 0) { 757 rc = ENOTTY; 758 goto out; 759 } 760 761 mutex_enter(&sv->sv_mutex); 762 for (;;) { 763 if (sv->sv_state != SMB_SERVER_STATE_RUNNING) { 764 rc = ECANCELED; 765 break; 766 } 767 if ((fid = smb_spool_get_fid(sv)) != 0) { 768 rc = 0; 769 break; 770 } 771 if (cv_wait_sig(&sv->sp_info.sp_cv, &sv->sv_mutex) == 0) { 772 rc = EINTR; 773 break; 774 } 775 } 776 mutex_exit(&sv->sv_mutex); 777 if (rc != 0) 778 goto out; 779 780 spdoc = kmem_zalloc(sizeof (*spdoc), KM_SLEEP); 781 if (smb_spool_lookup_doc_byfid(sv, fid, spdoc)) { 782 ioc->spool_num = spdoc->sd_spool_num; 783 ioc->ipaddr = spdoc->sd_ipaddr; 784 (void) strlcpy(ioc->path, spdoc->sd_path, 785 MAXPATHLEN); 786 (void) strlcpy(ioc->username, 787 spdoc->sd_username, MAXNAMELEN); 788 } else { 789 /* Did not find that print job. */ 790 rc = EAGAIN; 791 } 792 kmem_free(spdoc, sizeof (*spdoc)); 793 794 out: 795 smb_server_release(sv); 796 return (rc); 797 } 798 799 int 800 smb_server_set_gmtoff(smb_ioc_gmt_t *ioc) 801 { 802 int rc; 803 smb_server_t *sv; 804 805 if ((rc = smb_server_lookup(&sv)) == 0) { 806 sv->si_gmtoff = ioc->offset; 807 smb_server_release(sv); 808 } 809 810 return (rc); 811 } 812 813 int 814 smb_server_numopen(smb_ioc_opennum_t *ioc) 815 { 816 smb_server_t *sv; 817 int rc; 818 819 if ((rc = smb_server_lookup(&sv)) == 0) { 820 ioc->open_users = sv->sv_users; 821 ioc->open_trees = sv->sv_trees; 822 ioc->open_files = sv->sv_files + sv->sv_pipes; 823 smb_server_release(sv); 824 } 825 return (rc); 826 } 827 828 /* 829 * Enumerate objects within the server. The svcenum provides the 830 * enumeration context, i.e. what the caller want to get back. 831 */ 832 int 833 smb_server_enum(smb_ioc_svcenum_t *ioc) 834 { 835 smb_svcenum_t *svcenum = &ioc->svcenum; 836 smb_server_t *sv; 837 int rc; 838 839 if ((rc = smb_server_lookup(&sv)) != 0) 840 return (rc); 841 842 svcenum->se_bavail = svcenum->se_buflen; 843 svcenum->se_bused = 0; 844 svcenum->se_nitems = 0; 845 846 switch (svcenum->se_type) { 847 case SMB_SVCENUM_TYPE_USER: 848 smb_server_enum_users(&sv->sv_nbt_daemon.ld_session_list, 849 svcenum); 850 smb_server_enum_users(&sv->sv_tcp_daemon.ld_session_list, 851 svcenum); 852 break; 853 case SMB_SVCENUM_TYPE_TREE: 854 case SMB_SVCENUM_TYPE_FILE: 855 smb_server_enum_trees(&sv->sv_nbt_daemon.ld_session_list, 856 svcenum); 857 smb_server_enum_trees(&sv->sv_tcp_daemon.ld_session_list, 858 svcenum); 859 break; 860 default: 861 rc = EINVAL; 862 } 863 864 smb_server_release(sv); 865 return (rc); 866 } 867 868 /* 869 * Look for sessions to disconnect by client and user name. 870 */ 871 int 872 smb_server_session_close(smb_ioc_session_t *ioc) 873 { 874 smb_llist_t *ll; 875 smb_server_t *sv; 876 int nbt_cnt; 877 int tcp_cnt; 878 int rc; 879 880 if ((rc = smb_server_lookup(&sv)) != 0) 881 return (rc); 882 883 ll = &sv->sv_nbt_daemon.ld_session_list; 884 nbt_cnt = smb_server_session_disconnect(ll, ioc->client, ioc->username); 885 886 ll = &sv->sv_tcp_daemon.ld_session_list; 887 tcp_cnt = smb_server_session_disconnect(ll, ioc->client, ioc->username); 888 889 smb_server_release(sv); 890 891 if ((nbt_cnt == 0) && (tcp_cnt == 0)) 892 return (ENOENT); 893 return (0); 894 } 895 896 /* 897 * Close a file by uniqid. 898 */ 899 int 900 smb_server_file_close(smb_ioc_fileid_t *ioc) 901 { 902 uint32_t uniqid = ioc->uniqid; 903 smb_llist_t *ll; 904 smb_server_t *sv; 905 int rc; 906 907 if ((rc = smb_server_lookup(&sv)) != 0) 908 return (rc); 909 910 ll = &sv->sv_nbt_daemon.ld_session_list; 911 rc = smb_server_fclose(ll, uniqid); 912 913 if (rc == ENOENT) { 914 ll = &sv->sv_tcp_daemon.ld_session_list; 915 rc = smb_server_fclose(ll, uniqid); 916 } 917 918 smb_server_release(sv); 919 return (rc); 920 } 921 922 /* 923 * These functions determine the relevant smb server to which the call apply. 924 */ 925 926 uint32_t 927 smb_server_get_session_count(smb_server_t *sv) 928 { 929 uint32_t counter = 0; 930 931 counter = smb_llist_get_count(&sv->sv_nbt_daemon.ld_session_list); 932 counter += smb_llist_get_count(&sv->sv_tcp_daemon.ld_session_list); 933 934 return (counter); 935 } 936 937 /* 938 * Gets the vnode of the specified share path. 939 * 940 * A hold on the returned vnode pointer is taken so the caller 941 * must call VN_RELE. 942 */ 943 int 944 smb_server_sharevp(smb_server_t *sv, const char *shr_path, vnode_t **vp) 945 { 946 smb_request_t *sr; 947 smb_node_t *fnode = NULL; 948 smb_node_t *dnode; 949 char last_comp[MAXNAMELEN]; 950 int rc = 0; 951 952 ASSERT(shr_path); 953 954 mutex_enter(&sv->sv_mutex); 955 switch (sv->sv_state) { 956 case SMB_SERVER_STATE_RUNNING: 957 break; 958 default: 959 mutex_exit(&sv->sv_mutex); 960 return (ENOTACTIVE); 961 } 962 mutex_exit(&sv->sv_mutex); 963 964 if ((sr = smb_request_alloc(sv->sv_session, 0)) == NULL) { 965 return (ENOMEM); 966 } 967 sr->user_cr = zone_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); 979 980 if (rc != 0) 981 return (rc); 982 983 ASSERT(fnode->vp && fnode->vp->v_vfsp); 984 985 VN_HOLD(fnode->vp); 986 *vp = fnode->vp; 987 988 smb_node_release(fnode); 989 990 return (0); 991 } 992 993 994 /* 995 * This is a special interface that will be utilized by ZFS to cause a share to 996 * be added/removed. 997 * 998 * arg is either a lmshare_info_t or share_name from userspace. 999 * It will need to be copied into the kernel. It is lmshare_info_t 1000 * for add operations and share_name for delete operations. 1001 */ 1002 int 1003 smb_server_share(void *arg, boolean_t add_share) 1004 { 1005 smb_server_t *sv; 1006 int rc; 1007 1008 if ((rc = smb_server_lookup(&sv)) == 0) { 1009 mutex_enter(&sv->sv_mutex); 1010 switch (sv->sv_state) { 1011 case SMB_SERVER_STATE_RUNNING: 1012 mutex_exit(&sv->sv_mutex); 1013 (void) smb_kshare_upcall(sv->sv_lmshrd, arg, add_share); 1014 break; 1015 default: 1016 mutex_exit(&sv->sv_mutex); 1017 break; 1018 } 1019 smb_server_release(sv); 1020 } 1021 1022 return (rc); 1023 } 1024 1025 int 1026 smb_server_unshare(const char *sharename) 1027 { 1028 smb_server_t *sv; 1029 smb_llist_t *ll; 1030 int rc; 1031 1032 if ((rc = smb_server_lookup(&sv))) 1033 return (rc); 1034 1035 mutex_enter(&sv->sv_mutex); 1036 switch (sv->sv_state) { 1037 case SMB_SERVER_STATE_RUNNING: 1038 case SMB_SERVER_STATE_STOPPING: 1039 break; 1040 default: 1041 mutex_exit(&sv->sv_mutex); 1042 smb_server_release(sv); 1043 return (ENOTACTIVE); 1044 } 1045 mutex_exit(&sv->sv_mutex); 1046 1047 ll = &sv->sv_nbt_daemon.ld_session_list; 1048 smb_server_disconnect_share(ll, sharename); 1049 1050 ll = &sv->sv_tcp_daemon.ld_session_list; 1051 smb_server_disconnect_share(ll, sharename); 1052 1053 smb_server_release(sv); 1054 return (0); 1055 } 1056 1057 /* 1058 * Disconnect the specified share. 1059 * Typically called when a share has been removed. 1060 */ 1061 static void 1062 smb_server_disconnect_share(smb_llist_t *ll, const char *sharename) 1063 { 1064 smb_session_t *session; 1065 1066 smb_llist_enter(ll, RW_READER); 1067 1068 session = smb_llist_head(ll); 1069 while (session) { 1070 SMB_SESSION_VALID(session); 1071 smb_rwx_rwenter(&session->s_lock, RW_READER); 1072 switch (session->s_state) { 1073 case SMB_SESSION_STATE_NEGOTIATED: 1074 case SMB_SESSION_STATE_OPLOCK_BREAKING: 1075 smb_session_disconnect_share(session, sharename); 1076 break; 1077 default: 1078 break; 1079 } 1080 smb_rwx_rwexit(&session->s_lock); 1081 session = smb_llist_next(ll, session); 1082 } 1083 1084 smb_llist_exit(ll); 1085 } 1086 1087 /* 1088 * ***************************************************************************** 1089 * **************** Functions called from the internal layers ****************** 1090 * ***************************************************************************** 1091 * 1092 * These functions are provided the relevant smb server by the caller. 1093 */ 1094 1095 void 1096 smb_server_get_cfg(smb_server_t *sv, smb_kmod_cfg_t *cfg) 1097 { 1098 rw_enter(&sv->sv_cfg_lock, RW_READER); 1099 bcopy(&sv->sv_cfg, cfg, sizeof (*cfg)); 1100 rw_exit(&sv->sv_cfg_lock); 1101 } 1102 1103 /* 1104 * 1105 */ 1106 void 1107 smb_server_inc_nbt_sess(smb_server_t *sv) 1108 { 1109 SMB_SERVER_VALID(sv); 1110 atomic_inc_32(&sv->sv_nbt_sess); 1111 } 1112 1113 void 1114 smb_server_dec_nbt_sess(smb_server_t *sv) 1115 { 1116 SMB_SERVER_VALID(sv); 1117 atomic_dec_32(&sv->sv_nbt_sess); 1118 } 1119 1120 void 1121 smb_server_inc_tcp_sess(smb_server_t *sv) 1122 { 1123 SMB_SERVER_VALID(sv); 1124 atomic_inc_32(&sv->sv_tcp_sess); 1125 } 1126 1127 void 1128 smb_server_dec_tcp_sess(smb_server_t *sv) 1129 { 1130 SMB_SERVER_VALID(sv); 1131 atomic_dec_32(&sv->sv_tcp_sess); 1132 } 1133 1134 void 1135 smb_server_inc_users(smb_server_t *sv) 1136 { 1137 SMB_SERVER_VALID(sv); 1138 atomic_inc_32(&sv->sv_users); 1139 } 1140 1141 void 1142 smb_server_dec_users(smb_server_t *sv) 1143 { 1144 SMB_SERVER_VALID(sv); 1145 atomic_dec_32(&sv->sv_users); 1146 } 1147 1148 void 1149 smb_server_inc_trees(smb_server_t *sv) 1150 { 1151 SMB_SERVER_VALID(sv); 1152 atomic_inc_32(&sv->sv_trees); 1153 } 1154 1155 void 1156 smb_server_dec_trees(smb_server_t *sv) 1157 { 1158 SMB_SERVER_VALID(sv); 1159 atomic_dec_32(&sv->sv_trees); 1160 } 1161 1162 void 1163 smb_server_inc_files(smb_server_t *sv) 1164 { 1165 SMB_SERVER_VALID(sv); 1166 atomic_inc_32(&sv->sv_files); 1167 } 1168 1169 void 1170 smb_server_dec_files(smb_server_t *sv) 1171 { 1172 SMB_SERVER_VALID(sv); 1173 atomic_dec_32(&sv->sv_files); 1174 } 1175 1176 void 1177 smb_server_inc_pipes(smb_server_t *sv) 1178 { 1179 SMB_SERVER_VALID(sv); 1180 atomic_inc_32(&sv->sv_pipes); 1181 } 1182 1183 void 1184 smb_server_dec_pipes(smb_server_t *sv) 1185 { 1186 SMB_SERVER_VALID(sv); 1187 atomic_dec_32(&sv->sv_pipes); 1188 } 1189 1190 void 1191 smb_server_add_rxb(smb_server_t *sv, int64_t value) 1192 { 1193 SMB_SERVER_VALID(sv); 1194 atomic_add_64(&sv->sv_rxb, value); 1195 } 1196 1197 void 1198 smb_server_add_txb(smb_server_t *sv, int64_t value) 1199 { 1200 SMB_SERVER_VALID(sv); 1201 atomic_add_64(&sv->sv_txb, value); 1202 } 1203 1204 void 1205 smb_server_inc_req(smb_server_t *sv) 1206 { 1207 SMB_SERVER_VALID(sv); 1208 atomic_inc_64(&sv->sv_nreq); 1209 } 1210 1211 /* 1212 * ***************************************************************************** 1213 * *************************** Static Functions ******************************** 1214 * ***************************************************************************** 1215 */ 1216 1217 static void 1218 smb_server_timers(smb_thread_t *thread, void *arg) 1219 { 1220 smb_server_t *sv = (smb_server_t *)arg; 1221 1222 ASSERT(sv != NULL); 1223 1224 while (smb_thread_continue_timedwait(thread, 1 /* Seconds */)) { 1225 smb_session_timers(&sv->sv_nbt_daemon.ld_session_list); 1226 smb_session_timers(&sv->sv_tcp_daemon.ld_session_list); 1227 } 1228 } 1229 1230 /* 1231 * smb_server_kstat_init 1232 */ 1233 static void 1234 smb_server_kstat_init(smb_server_t *sv) 1235 { 1236 1237 sv->sv_ksp = kstat_create_zone(SMBSRV_KSTAT_MODULE, 0, 1238 SMBSRV_KSTAT_STATISTICS, SMBSRV_KSTAT_CLASS, KSTAT_TYPE_RAW, 1239 sizeof (smbsrv_kstats_t), 0, sv->sv_zid); 1240 1241 if (sv->sv_ksp != NULL) { 1242 sv->sv_ksp->ks_update = smb_server_kstat_update; 1243 sv->sv_ksp->ks_private = sv; 1244 ((smbsrv_kstats_t *)sv->sv_ksp->ks_data)->ks_start_time = 1245 sv->sv_start_time; 1246 smb_dispatch_stats_init(sv); 1247 kstat_install(sv->sv_ksp); 1248 } else { 1249 cmn_err(CE_WARN, "SMB Server: Statistics unavailable"); 1250 } 1251 1252 sv->sv_legacy_ksp = kstat_create_zone(SMBSRV_KSTAT_MODULE, 0, 1253 SMBSRV_KSTAT_NAME, SMBSRV_KSTAT_CLASS, KSTAT_TYPE_NAMED, 1254 sizeof (smb_server_legacy_kstat_t) / sizeof (kstat_named_t), 1255 0, sv->sv_zid); 1256 1257 if (sv->sv_legacy_ksp != NULL) { 1258 smb_server_legacy_kstat_t *ksd; 1259 1260 ksd = sv->sv_legacy_ksp->ks_data; 1261 1262 (void) strlcpy(ksd->ls_files.name, "open_files", 1263 sizeof (ksd->ls_files.name)); 1264 ksd->ls_files.data_type = KSTAT_DATA_UINT32; 1265 1266 (void) strlcpy(ksd->ls_trees.name, "connections", 1267 sizeof (ksd->ls_trees.name)); 1268 ksd->ls_trees.data_type = KSTAT_DATA_UINT32; 1269 1270 (void) strlcpy(ksd->ls_users.name, "connections", 1271 sizeof (ksd->ls_users.name)); 1272 ksd->ls_users.data_type = KSTAT_DATA_UINT32; 1273 1274 mutex_init(&sv->sv_legacy_ksmtx, NULL, MUTEX_DEFAULT, NULL); 1275 sv->sv_legacy_ksp->ks_lock = &sv->sv_legacy_ksmtx; 1276 sv->sv_legacy_ksp->ks_update = smb_server_legacy_kstat_update; 1277 kstat_install(sv->sv_legacy_ksp); 1278 } 1279 } 1280 1281 /* 1282 * smb_server_kstat_fini 1283 */ 1284 static void 1285 smb_server_kstat_fini(smb_server_t *sv) 1286 { 1287 if (sv->sv_legacy_ksp != NULL) { 1288 kstat_delete(sv->sv_legacy_ksp); 1289 mutex_destroy(&sv->sv_legacy_ksmtx); 1290 sv->sv_legacy_ksp = NULL; 1291 } 1292 1293 if (sv->sv_ksp != NULL) { 1294 kstat_delete(sv->sv_ksp); 1295 sv->sv_ksp = NULL; 1296 smb_dispatch_stats_fini(sv); 1297 } 1298 } 1299 1300 /* 1301 * smb_server_kstat_update 1302 */ 1303 static int 1304 smb_server_kstat_update(kstat_t *ksp, int rw) 1305 { 1306 smb_server_t *sv; 1307 smbsrv_kstats_t *ksd; 1308 1309 if (rw == KSTAT_READ) { 1310 sv = ksp->ks_private; 1311 SMB_SERVER_VALID(sv); 1312 ksd = (smbsrv_kstats_t *)ksp->ks_data; 1313 /* 1314 * Counters 1315 */ 1316 ksd->ks_nbt_sess = sv->sv_nbt_sess; 1317 ksd->ks_tcp_sess = sv->sv_tcp_sess; 1318 ksd->ks_users = sv->sv_users; 1319 ksd->ks_trees = sv->sv_trees; 1320 ksd->ks_files = sv->sv_files; 1321 ksd->ks_pipes = sv->sv_pipes; 1322 /* 1323 * Throughput 1324 */ 1325 ksd->ks_txb = sv->sv_txb; 1326 ksd->ks_rxb = sv->sv_rxb; 1327 ksd->ks_nreq = sv->sv_nreq; 1328 /* 1329 * Busyness 1330 */ 1331 ksd->ks_maxreqs = sv->sv_cfg.skc_maxworkers; 1332 smb_srqueue_update(&sv->sv_srqueue, 1333 &ksd->ks_utilization); 1334 /* 1335 * Latency & Throughput of the requests 1336 */ 1337 smb_dispatch_stats_update(sv, ksd->ks_reqs, 0, SMB_COM_NUM); 1338 return (0); 1339 } 1340 if (rw == KSTAT_WRITE) 1341 return (EACCES); 1342 1343 return (EIO); 1344 } 1345 1346 static int 1347 smb_server_legacy_kstat_update(kstat_t *ksp, int rw) 1348 { 1349 smb_server_t *sv; 1350 smb_server_legacy_kstat_t *ksd; 1351 int rc; 1352 1353 switch (rw) { 1354 case KSTAT_WRITE: 1355 rc = EACCES; 1356 break; 1357 case KSTAT_READ: 1358 if (!smb_server_lookup(&sv)) { 1359 ASSERT(MUTEX_HELD(ksp->ks_lock)); 1360 ASSERT(sv->sv_legacy_ksp == ksp); 1361 ksd = (smb_server_legacy_kstat_t *)ksp->ks_data; 1362 ksd->ls_files.value.ui32 = sv->sv_files + sv->sv_pipes; 1363 ksd->ls_trees.value.ui32 = sv->sv_trees; 1364 ksd->ls_users.value.ui32 = sv->sv_users; 1365 smb_server_release(sv); 1366 rc = 0; 1367 break; 1368 } 1369 _NOTE(FALLTHRU) 1370 default: 1371 rc = EIO; 1372 break; 1373 } 1374 return (rc); 1375 1376 } 1377 1378 /* 1379 * smb_server_shutdown 1380 */ 1381 static void 1382 smb_server_shutdown(smb_server_t *sv) 1383 { 1384 SMB_SERVER_VALID(sv); 1385 1386 /* 1387 * Stop the listeners first, so we don't get any more 1388 * new work while we're trying to shut down. 1389 */ 1390 smb_server_listener_stop(&sv->sv_nbt_daemon); 1391 smb_server_listener_stop(&sv->sv_tcp_daemon); 1392 smb_thread_stop(&sv->si_thread_timers); 1393 1394 /* 1395 * Wake up any threads we might have blocked. 1396 * Must precede kdoor_close etc. because those will 1397 * wait for such threads to get out. 1398 */ 1399 smb_event_cancel(sv, 0); 1400 smb_threshold_wake_all(&sv->sv_ssetup_ct); 1401 smb_threshold_wake_all(&sv->sv_tcon_ct); 1402 smb_threshold_wake_all(&sv->sv_opipe_ct); 1403 1404 smb_opipe_door_close(sv); 1405 smb_kdoor_close(sv); 1406 smb_kshare_door_fini(sv->sv_lmshrd); 1407 sv->sv_lmshrd = NULL; 1408 smb_export_stop(sv); 1409 1410 if (sv->sv_session != NULL) { 1411 /* 1412 * smb_kshare_export may have a request on here. 1413 * Normal sessions do this in smb_session_cancel() 1414 * but this is a "fake" session used only for the 1415 * requests used by the kshare thread(s). 1416 */ 1417 smb_slist_wait_for_empty(&sv->sv_session->s_req_list); 1418 1419 smb_session_delete(sv->sv_session); 1420 sv->sv_session = NULL; 1421 } 1422 1423 if (sv->sv_receiver_pool != NULL) { 1424 taskq_destroy(sv->sv_receiver_pool); 1425 sv->sv_receiver_pool = NULL; 1426 } 1427 1428 if (sv->sv_worker_pool != NULL) { 1429 taskq_destroy(sv->sv_worker_pool); 1430 sv->sv_worker_pool = NULL; 1431 } 1432 1433 smb_kshare_stop(sv); 1434 smb_server_fsop_stop(sv); 1435 } 1436 1437 /* 1438 * smb_server_listener_init 1439 * 1440 * Initializes listener contexts. 1441 */ 1442 static void 1443 smb_server_listener_init( 1444 smb_server_t *sv, 1445 smb_listener_daemon_t *ld, 1446 char *name, 1447 in_port_t port, 1448 int family) 1449 { 1450 ASSERT(ld->ld_magic != SMB_LISTENER_MAGIC); 1451 1452 bzero(ld, sizeof (*ld)); 1453 1454 ld->ld_sv = sv; 1455 ld->ld_family = family; 1456 ld->ld_port = port; 1457 1458 if (family == AF_INET) { 1459 ld->ld_sin.sin_family = (uint32_t)family; 1460 ld->ld_sin.sin_port = htons(port); 1461 ld->ld_sin.sin_addr.s_addr = htonl(INADDR_ANY); 1462 } else { 1463 ld->ld_sin6.sin6_family = (uint32_t)family; 1464 ld->ld_sin6.sin6_port = htons(port); 1465 (void) memset(&ld->ld_sin6.sin6_addr.s6_addr, 0, 1466 sizeof (ld->ld_sin6.sin6_addr.s6_addr)); 1467 } 1468 1469 smb_llist_constructor(&ld->ld_session_list, sizeof (smb_session_t), 1470 offsetof(smb_session_t, s_lnd)); 1471 smb_thread_init(&ld->ld_thread, name, smb_server_listener, ld, 1472 smbsrv_listen_pri); 1473 ld->ld_magic = SMB_LISTENER_MAGIC; 1474 } 1475 1476 /* 1477 * smb_server_listener_destroy 1478 * 1479 * Destroyes listener contexts. 1480 */ 1481 static void 1482 smb_server_listener_destroy(smb_listener_daemon_t *ld) 1483 { 1484 SMB_LISTENER_VALID(ld); 1485 ASSERT(ld->ld_so == NULL); 1486 smb_thread_destroy(&ld->ld_thread); 1487 smb_llist_destructor(&ld->ld_session_list); 1488 ld->ld_magic = 0; 1489 } 1490 1491 /* 1492 * smb_server_listener_start 1493 * 1494 * Starts the listener associated with the context passed in. 1495 * 1496 * Return: 0 Success 1497 * not 0 Failure 1498 */ 1499 static int 1500 smb_server_listener_start(smb_listener_daemon_t *ld) 1501 { 1502 int rc; 1503 uint32_t on; 1504 uint32_t off; 1505 1506 SMB_LISTENER_VALID(ld); 1507 1508 if (ld->ld_so != NULL) 1509 return (EINVAL); 1510 1511 ld->ld_so = smb_socreate(ld->ld_family, SOCK_STREAM, 0); 1512 if (ld->ld_so == NULL) { 1513 cmn_err(CE_WARN, "port %d: socket create failed", ld->ld_port); 1514 return (ENOMEM); 1515 } 1516 1517 off = 0; 1518 (void) ksocket_setsockopt(ld->ld_so, SOL_SOCKET, 1519 SO_MAC_EXEMPT, &off, sizeof (off), CRED()); 1520 1521 on = 1; 1522 (void) ksocket_setsockopt(ld->ld_so, SOL_SOCKET, 1523 SO_REUSEADDR, &on, sizeof (on), CRED()); 1524 1525 if (ld->ld_family == AF_INET) { 1526 rc = ksocket_bind(ld->ld_so, 1527 (struct sockaddr *)&ld->ld_sin, 1528 sizeof (ld->ld_sin), CRED()); 1529 } else { 1530 rc = ksocket_bind(ld->ld_so, 1531 (struct sockaddr *)&ld->ld_sin6, 1532 sizeof (ld->ld_sin6), CRED()); 1533 } 1534 1535 if (rc != 0) { 1536 cmn_err(CE_WARN, "port %d: bind failed", ld->ld_port); 1537 return (rc); 1538 } 1539 1540 rc = ksocket_listen(ld->ld_so, 20, CRED()); 1541 if (rc < 0) { 1542 cmn_err(CE_WARN, "port %d: listen failed", ld->ld_port); 1543 return (rc); 1544 } 1545 1546 ksocket_hold(ld->ld_so); 1547 rc = smb_thread_start(&ld->ld_thread); 1548 if (rc != 0) { 1549 ksocket_rele(ld->ld_so); 1550 cmn_err(CE_WARN, "port %d: listener failed to start", 1551 ld->ld_port); 1552 return (rc); 1553 } 1554 return (0); 1555 } 1556 1557 /* 1558 * smb_server_listener_stop 1559 * 1560 * Stops the listener associated with the context passed in. 1561 */ 1562 static void 1563 smb_server_listener_stop(smb_listener_daemon_t *ld) 1564 { 1565 SMB_LISTENER_VALID(ld); 1566 1567 if (ld->ld_so != NULL) { 1568 smb_soshutdown(ld->ld_so); 1569 smb_sodestroy(ld->ld_so); 1570 smb_thread_stop(&ld->ld_thread); 1571 ld->ld_so = NULL; 1572 } 1573 } 1574 1575 /* 1576 * smb_server_listener 1577 * 1578 * Entry point of the listeners. 1579 */ 1580 static void 1581 smb_server_listener(smb_thread_t *thread, void *arg) 1582 { 1583 _NOTE(ARGUNUSED(thread)) 1584 smb_listener_daemon_t *ld; 1585 smb_session_t *session; 1586 ksocket_t s_so; 1587 int on; 1588 int txbuf_size; 1589 1590 ld = (smb_listener_daemon_t *)arg; 1591 1592 SMB_LISTENER_VALID(ld); 1593 1594 DTRACE_PROBE1(so__wait__accept, struct sonode *, ld->ld_so); 1595 1596 while (ksocket_accept(ld->ld_so, NULL, NULL, &s_so, CRED()) 1597 == 0) { 1598 DTRACE_PROBE1(so__accept, struct sonode *, s_so); 1599 1600 on = 1; 1601 (void) ksocket_setsockopt(s_so, IPPROTO_TCP, TCP_NODELAY, 1602 &on, sizeof (on), CRED()); 1603 1604 on = 1; 1605 (void) ksocket_setsockopt(s_so, SOL_SOCKET, SO_KEEPALIVE, 1606 &on, sizeof (on), CRED()); 1607 1608 txbuf_size = 128*1024; 1609 (void) ksocket_setsockopt(s_so, SOL_SOCKET, SO_SNDBUF, 1610 (const void *)&txbuf_size, sizeof (txbuf_size), CRED()); 1611 1612 /* 1613 * Create a session for this connection. 1614 */ 1615 smb_server_create_session(ld, s_so); 1616 } 1617 /* Disconnect all the sessions this listener created. */ 1618 smb_llist_enter(&ld->ld_session_list, RW_READER); 1619 session = smb_llist_head(&ld->ld_session_list); 1620 while (session != NULL) { 1621 smb_session_disconnect(session); 1622 session = smb_llist_next(&ld->ld_session_list, session); 1623 } 1624 smb_llist_exit(&ld->ld_session_list); 1625 ksocket_rele(ld->ld_so); 1626 } 1627 1628 /* 1629 * smb_server_receiver 1630 * 1631 * Entry point of the receiver threads. 1632 */ 1633 static void 1634 smb_server_receiver(void *arg) 1635 { 1636 smb_listener_daemon_t *ld; 1637 smb_session_t *session; 1638 1639 ld = ((smb_receiver_arg_t *)arg)->ra_listener; 1640 session = ((smb_receiver_arg_t *)arg)->ra_session; 1641 smb_mem_free(arg); 1642 smb_session_receiver(session); 1643 smb_server_destroy_session(ld, session); 1644 } 1645 1646 /* 1647 * smb_server_lookup 1648 * 1649 * This function finds the server associated with the zone of the 1650 * caller. Note: requires a fix in the dynamic taskq code: 1651 * 1501 taskq_create_proc ... TQ_DYNAMIC puts tasks in p0 1652 */ 1653 int 1654 smb_server_lookup(smb_server_t **psv) 1655 { 1656 zoneid_t zid; 1657 smb_server_t *sv; 1658 1659 zid = getzoneid(); 1660 1661 smb_llist_enter(&smb_servers, RW_READER); 1662 sv = smb_llist_head(&smb_servers); 1663 while (sv) { 1664 SMB_SERVER_VALID(sv); 1665 if (sv->sv_zid == zid) { 1666 mutex_enter(&sv->sv_mutex); 1667 if (sv->sv_state != SMB_SERVER_STATE_DELETING) { 1668 sv->sv_refcnt++; 1669 mutex_exit(&sv->sv_mutex); 1670 smb_llist_exit(&smb_servers); 1671 *psv = sv; 1672 return (0); 1673 } 1674 mutex_exit(&sv->sv_mutex); 1675 break; 1676 } 1677 sv = smb_llist_next(&smb_servers, sv); 1678 } 1679 smb_llist_exit(&smb_servers); 1680 return (EPERM); 1681 } 1682 1683 /* 1684 * smb_server_release 1685 * 1686 * This function decrements the reference count of the server and signals its 1687 * condition variable if the state of the server is SMB_SERVER_STATE_DELETING. 1688 */ 1689 void 1690 smb_server_release(smb_server_t *sv) 1691 { 1692 SMB_SERVER_VALID(sv); 1693 1694 mutex_enter(&sv->sv_mutex); 1695 ASSERT(sv->sv_refcnt); 1696 sv->sv_refcnt--; 1697 if ((sv->sv_refcnt == 0) && (sv->sv_state == SMB_SERVER_STATE_DELETING)) 1698 cv_signal(&sv->sv_cv); 1699 mutex_exit(&sv->sv_mutex); 1700 } 1701 1702 /* 1703 * Enumerate the users associated with a session list. 1704 */ 1705 static void 1706 smb_server_enum_users(smb_llist_t *ll, smb_svcenum_t *svcenum) 1707 { 1708 smb_session_t *sn; 1709 smb_llist_t *ulist; 1710 smb_user_t *user; 1711 int rc = 0; 1712 1713 smb_llist_enter(ll, RW_READER); 1714 sn = smb_llist_head(ll); 1715 1716 while (sn != NULL) { 1717 SMB_SESSION_VALID(sn); 1718 ulist = &sn->s_user_list; 1719 smb_llist_enter(ulist, RW_READER); 1720 user = smb_llist_head(ulist); 1721 1722 while (user != NULL) { 1723 if (smb_user_hold(user)) { 1724 rc = smb_user_enum(user, svcenum); 1725 smb_user_release(user); 1726 if (rc != 0) 1727 break; 1728 } 1729 1730 user = smb_llist_next(ulist, user); 1731 } 1732 1733 smb_llist_exit(ulist); 1734 1735 if (rc != 0) 1736 break; 1737 1738 sn = smb_llist_next(ll, sn); 1739 } 1740 1741 smb_llist_exit(ll); 1742 } 1743 1744 /* 1745 * Enumerate the trees/files associated with a session list. 1746 */ 1747 static void 1748 smb_server_enum_trees(smb_llist_t *ll, smb_svcenum_t *svcenum) 1749 { 1750 smb_session_t *sn; 1751 smb_llist_t *tlist; 1752 smb_tree_t *tree; 1753 int rc = 0; 1754 1755 smb_llist_enter(ll, RW_READER); 1756 sn = smb_llist_head(ll); 1757 1758 while (sn != NULL) { 1759 SMB_SESSION_VALID(sn); 1760 tlist = &sn->s_tree_list; 1761 smb_llist_enter(tlist, RW_READER); 1762 tree = smb_llist_head(tlist); 1763 1764 while (tree != NULL) { 1765 if (smb_tree_hold(tree)) { 1766 rc = smb_tree_enum(tree, svcenum); 1767 smb_tree_release(tree); 1768 if (rc != 0) 1769 break; 1770 } 1771 1772 tree = smb_llist_next(tlist, tree); 1773 } 1774 1775 smb_llist_exit(tlist); 1776 1777 if (rc != 0) 1778 break; 1779 1780 sn = smb_llist_next(ll, sn); 1781 } 1782 1783 smb_llist_exit(ll); 1784 } 1785 1786 /* 1787 * Disconnect sessions associated with the specified client and username. 1788 * Empty strings are treated as wildcards. 1789 */ 1790 static int 1791 smb_server_session_disconnect(smb_llist_t *ll, 1792 const char *client, const char *name) 1793 { 1794 smb_session_t *sn; 1795 smb_llist_t *ulist; 1796 smb_user_t *user; 1797 boolean_t match; 1798 int count = 0; 1799 1800 smb_llist_enter(ll, RW_READER); 1801 sn = smb_llist_head(ll); 1802 1803 while (sn != NULL) { 1804 SMB_SESSION_VALID(sn); 1805 1806 if ((*client != '\0') && (!smb_session_isclient(sn, client))) { 1807 sn = smb_llist_next(ll, sn); 1808 continue; 1809 } 1810 1811 ulist = &sn->s_user_list; 1812 smb_llist_enter(ulist, RW_READER); 1813 user = smb_llist_head(ulist); 1814 1815 while (user != NULL) { 1816 if (smb_user_hold(user)) { 1817 match = (*name == '\0'); 1818 if (!match) 1819 match = smb_user_namecmp(user, name); 1820 1821 if (match) { 1822 smb_llist_exit(ulist); 1823 smb_user_logoff(user); 1824 ++count; 1825 smb_user_release(user); 1826 smb_llist_enter(ulist, RW_READER); 1827 user = smb_llist_head(ulist); 1828 continue; 1829 } 1830 1831 smb_user_release(user); 1832 } 1833 1834 user = smb_llist_next(ulist, user); 1835 } 1836 1837 smb_llist_exit(ulist); 1838 sn = smb_llist_next(ll, sn); 1839 } 1840 1841 smb_llist_exit(ll); 1842 return (count); 1843 } 1844 1845 /* 1846 * Close a file by its unique id. 1847 */ 1848 static int 1849 smb_server_fclose(smb_llist_t *ll, uint32_t uniqid) 1850 { 1851 smb_session_t *sn; 1852 smb_llist_t *tlist; 1853 smb_tree_t *tree; 1854 int rc = ENOENT; 1855 1856 smb_llist_enter(ll, RW_READER); 1857 sn = smb_llist_head(ll); 1858 1859 while ((sn != NULL) && (rc == ENOENT)) { 1860 SMB_SESSION_VALID(sn); 1861 tlist = &sn->s_tree_list; 1862 smb_llist_enter(tlist, RW_READER); 1863 tree = smb_llist_head(tlist); 1864 1865 while ((tree != NULL) && (rc == ENOENT)) { 1866 if (smb_tree_hold(tree)) { 1867 rc = smb_tree_fclose(tree, uniqid); 1868 smb_tree_release(tree); 1869 } 1870 1871 tree = smb_llist_next(tlist, tree); 1872 } 1873 1874 smb_llist_exit(tlist); 1875 sn = smb_llist_next(ll, sn); 1876 } 1877 1878 smb_llist_exit(ll); 1879 return (rc); 1880 } 1881 1882 static void 1883 smb_server_store_cfg(smb_server_t *sv, smb_ioc_cfg_t *ioc) 1884 { 1885 if (ioc->maxconnections == 0) 1886 ioc->maxconnections = 0xFFFFFFFF; 1887 1888 smb_session_correct_keep_alive_values( 1889 &sv->sv_nbt_daemon.ld_session_list, ioc->keepalive); 1890 smb_session_correct_keep_alive_values( 1891 &sv->sv_tcp_daemon.ld_session_list, ioc->keepalive); 1892 1893 sv->sv_cfg.skc_maxworkers = ioc->maxworkers; 1894 sv->sv_cfg.skc_maxconnections = ioc->maxconnections; 1895 sv->sv_cfg.skc_keepalive = ioc->keepalive; 1896 sv->sv_cfg.skc_restrict_anon = ioc->restrict_anon; 1897 sv->sv_cfg.skc_signing_enable = ioc->signing_enable; 1898 sv->sv_cfg.skc_signing_required = ioc->signing_required; 1899 sv->sv_cfg.skc_oplock_enable = ioc->oplock_enable; 1900 sv->sv_cfg.skc_sync_enable = ioc->sync_enable; 1901 sv->sv_cfg.skc_secmode = ioc->secmode; 1902 sv->sv_cfg.skc_ipv6_enable = ioc->ipv6_enable; 1903 sv->sv_cfg.skc_print_enable = ioc->print_enable; 1904 sv->sv_cfg.skc_traverse_mounts = ioc->traverse_mounts; 1905 sv->sv_cfg.skc_execflags = ioc->exec_flags; 1906 sv->sv_cfg.skc_version = ioc->version; 1907 (void) strlcpy(sv->sv_cfg.skc_nbdomain, ioc->nbdomain, 1908 sizeof (sv->sv_cfg.skc_nbdomain)); 1909 (void) strlcpy(sv->sv_cfg.skc_fqdn, ioc->fqdn, 1910 sizeof (sv->sv_cfg.skc_fqdn)); 1911 (void) strlcpy(sv->sv_cfg.skc_hostname, ioc->hostname, 1912 sizeof (sv->sv_cfg.skc_hostname)); 1913 (void) strlcpy(sv->sv_cfg.skc_system_comment, ioc->system_comment, 1914 sizeof (sv->sv_cfg.skc_system_comment)); 1915 } 1916 1917 static int 1918 smb_server_fsop_start(smb_server_t *sv) 1919 { 1920 int error; 1921 1922 error = smb_node_root_init(sv, &sv->si_root_smb_node); 1923 if (error != 0) 1924 sv->si_root_smb_node = NULL; 1925 1926 return (error); 1927 } 1928 1929 static void 1930 smb_server_fsop_stop(smb_server_t *sv) 1931 { 1932 if (sv->si_root_smb_node != NULL) { 1933 smb_node_release(sv->si_root_smb_node); 1934 sv->si_root_smb_node = NULL; 1935 } 1936 } 1937 1938 smb_event_t * 1939 smb_event_create(smb_server_t *sv, int timeout) 1940 { 1941 smb_event_t *event; 1942 1943 if (smb_server_is_stopping(sv)) 1944 return (NULL); 1945 1946 event = kmem_cache_alloc(smb_cache_event, KM_SLEEP); 1947 1948 bzero(event, sizeof (smb_event_t)); 1949 mutex_init(&event->se_mutex, NULL, MUTEX_DEFAULT, NULL); 1950 cv_init(&event->se_cv, NULL, CV_DEFAULT, NULL); 1951 event->se_magic = SMB_EVENT_MAGIC; 1952 event->se_txid = smb_event_alloc_txid(); 1953 event->se_server = sv; 1954 event->se_timeout = timeout; 1955 1956 smb_llist_enter(&sv->sv_event_list, RW_WRITER); 1957 smb_llist_insert_tail(&sv->sv_event_list, event); 1958 smb_llist_exit(&sv->sv_event_list); 1959 1960 return (event); 1961 } 1962 1963 void 1964 smb_event_destroy(smb_event_t *event) 1965 { 1966 smb_server_t *sv; 1967 1968 if (event == NULL) 1969 return; 1970 1971 SMB_EVENT_VALID(event); 1972 ASSERT(event->se_waittime == 0); 1973 sv = event->se_server; 1974 SMB_SERVER_VALID(sv); 1975 1976 smb_llist_enter(&sv->sv_event_list, RW_WRITER); 1977 smb_llist_remove(&sv->sv_event_list, event); 1978 smb_llist_exit(&sv->sv_event_list); 1979 1980 event->se_magic = (uint32_t)~SMB_EVENT_MAGIC; 1981 cv_destroy(&event->se_cv); 1982 mutex_destroy(&event->se_mutex); 1983 1984 kmem_cache_free(smb_cache_event, event); 1985 } 1986 1987 /* 1988 * Get the txid for the specified event. 1989 */ 1990 uint32_t 1991 smb_event_txid(smb_event_t *event) 1992 { 1993 if (event != NULL) { 1994 SMB_EVENT_VALID(event); 1995 return (event->se_txid); 1996 } 1997 1998 cmn_err(CE_NOTE, "smb_event_txid failed"); 1999 return ((uint32_t)-1); 2000 } 2001 2002 /* 2003 * Wait for event notification. 2004 */ 2005 int 2006 smb_event_wait(smb_event_t *event) 2007 { 2008 int seconds = 1; 2009 int ticks; 2010 int err; 2011 2012 if (event == NULL) 2013 return (EINVAL); 2014 2015 SMB_EVENT_VALID(event); 2016 2017 mutex_enter(&event->se_mutex); 2018 event->se_waittime = 1; 2019 event->se_errno = 0; 2020 2021 while (!(event->se_notified)) { 2022 if (smb_event_debug && ((event->se_waittime % 30) == 0)) 2023 cmn_err(CE_NOTE, "smb_event_wait[%d] (%d sec)", 2024 event->se_txid, event->se_waittime); 2025 2026 if (event->se_errno != 0) 2027 break; 2028 2029 if (event->se_waittime > event->se_timeout) { 2030 event->se_errno = ETIME; 2031 break; 2032 } 2033 2034 ticks = SEC_TO_TICK(seconds); 2035 (void) cv_reltimedwait(&event->se_cv, 2036 &event->se_mutex, (clock_t)ticks, TR_CLOCK_TICK); 2037 ++event->se_waittime; 2038 } 2039 2040 err = event->se_errno; 2041 event->se_waittime = 0; 2042 event->se_notified = B_FALSE; 2043 cv_signal(&event->se_cv); 2044 mutex_exit(&event->se_mutex); 2045 return (err); 2046 } 2047 2048 /* 2049 * If txid is non-zero, cancel the specified event. 2050 * Otherwise, cancel all events. 2051 */ 2052 static void 2053 smb_event_cancel(smb_server_t *sv, uint32_t txid) 2054 { 2055 smb_event_t *event; 2056 smb_llist_t *event_list; 2057 2058 SMB_SERVER_VALID(sv); 2059 2060 event_list = &sv->sv_event_list; 2061 smb_llist_enter(event_list, RW_WRITER); 2062 2063 event = smb_llist_head(event_list); 2064 while (event) { 2065 SMB_EVENT_VALID(event); 2066 2067 if (txid == 0 || event->se_txid == txid) { 2068 mutex_enter(&event->se_mutex); 2069 event->se_errno = ECANCELED; 2070 event->se_notified = B_TRUE; 2071 cv_signal(&event->se_cv); 2072 mutex_exit(&event->se_mutex); 2073 2074 if (txid != 0) 2075 break; 2076 } 2077 2078 event = smb_llist_next(event_list, event); 2079 } 2080 2081 smb_llist_exit(event_list); 2082 } 2083 2084 /* 2085 * If txid is non-zero, notify the specified event. 2086 * Otherwise, notify all events. 2087 */ 2088 void 2089 smb_event_notify(smb_server_t *sv, uint32_t txid) 2090 { 2091 smb_event_t *event; 2092 smb_llist_t *event_list; 2093 2094 SMB_SERVER_VALID(sv); 2095 2096 event_list = &sv->sv_event_list; 2097 smb_llist_enter(event_list, RW_READER); 2098 2099 event = smb_llist_head(event_list); 2100 while (event) { 2101 SMB_EVENT_VALID(event); 2102 2103 if (txid == 0 || event->se_txid == txid) { 2104 mutex_enter(&event->se_mutex); 2105 event->se_notified = B_TRUE; 2106 cv_signal(&event->se_cv); 2107 mutex_exit(&event->se_mutex); 2108 2109 if (txid != 0) 2110 break; 2111 } 2112 2113 event = smb_llist_next(event_list, event); 2114 } 2115 2116 smb_llist_exit(event_list); 2117 } 2118 2119 /* 2120 * Allocate a new transaction id (txid). 2121 * 2122 * 0 or -1 are not assigned because they are used to detect invalid 2123 * conditions or to indicate all open id's. 2124 */ 2125 static uint32_t 2126 smb_event_alloc_txid(void) 2127 { 2128 static kmutex_t txmutex; 2129 static uint32_t txid; 2130 uint32_t txid_ret; 2131 2132 mutex_enter(&txmutex); 2133 2134 if (txid == 0) 2135 txid = ddi_get_lbolt() << 11; 2136 2137 do { 2138 ++txid; 2139 } while (txid == 0 || txid == (uint32_t)-1); 2140 2141 txid_ret = txid; 2142 mutex_exit(&txmutex); 2143 2144 return (txid_ret); 2145 } 2146 2147 /* 2148 * Called by the ioctl to find the corresponding 2149 * spooldoc node. removes node on success 2150 * 2151 * Return values 2152 * rc 2153 * B_FALSE - not found 2154 * B_TRUE - found 2155 * 2156 */ 2157 2158 static boolean_t 2159 smb_spool_lookup_doc_byfid(smb_server_t *sv, uint16_t fid, 2160 smb_kspooldoc_t *spdoc) 2161 { 2162 smb_kspooldoc_t *sp; 2163 smb_llist_t *splist; 2164 2165 splist = &sv->sp_info.sp_list; 2166 smb_llist_enter(splist, RW_WRITER); 2167 sp = smb_llist_head(splist); 2168 while (sp != NULL) { 2169 /* 2170 * check for a matching fid 2171 */ 2172 if (sp->sd_fid == fid) { 2173 *spdoc = *sp; 2174 smb_llist_remove(splist, sp); 2175 smb_llist_exit(splist); 2176 kmem_free(sp, sizeof (smb_kspooldoc_t)); 2177 return (B_TRUE); 2178 } 2179 sp = smb_llist_next(splist, sp); 2180 } 2181 cmn_err(CE_WARN, "smb_spool_lookup_user_byfid: no fid:%d", fid); 2182 smb_llist_exit(splist); 2183 return (B_FALSE); 2184 } 2185 2186 /* 2187 * Adds the spool fid to a linked list to be used 2188 * as a search key in the spooldoc queue 2189 * 2190 * Return values 2191 * rc non-zero error 2192 * rc zero success 2193 * 2194 */ 2195 2196 void 2197 smb_spool_add_fid(smb_server_t *sv, uint16_t fid) 2198 { 2199 smb_llist_t *fidlist; 2200 smb_spoolfid_t *sf; 2201 2202 if (sv->sv_cfg.skc_print_enable == 0) 2203 return; 2204 2205 sf = kmem_zalloc(sizeof (smb_spoolfid_t), KM_SLEEP); 2206 fidlist = &sv->sp_info.sp_fidlist; 2207 smb_llist_enter(fidlist, RW_WRITER); 2208 sf->sf_fid = fid; 2209 smb_llist_insert_tail(fidlist, sf); 2210 smb_llist_exit(fidlist); 2211 cv_broadcast(&sv->sp_info.sp_cv); 2212 } 2213 2214 /* 2215 * Called by the ioctl to get and remove the head of the fid list 2216 * 2217 * Return values 2218 * int fd 2219 * greater than 0 success 2220 * 0 - error 2221 * 2222 */ 2223 2224 static uint16_t 2225 smb_spool_get_fid(smb_server_t *sv) 2226 { 2227 smb_spoolfid_t *spfid; 2228 smb_llist_t *splist; 2229 uint16_t fid; 2230 2231 splist = &sv->sp_info.sp_fidlist; 2232 smb_llist_enter(splist, RW_WRITER); 2233 spfid = smb_llist_head(splist); 2234 if (spfid != NULL) { 2235 fid = spfid->sf_fid; 2236 smb_llist_remove(&sv->sp_info.sp_fidlist, spfid); 2237 kmem_free(spfid, sizeof (smb_spoolfid_t)); 2238 } else { 2239 fid = 0; 2240 } 2241 smb_llist_exit(splist); 2242 return (fid); 2243 } 2244 2245 /* 2246 * Adds the spooldoc to the tail of the spooldoc list 2247 * 2248 * Return values 2249 * rc non-zero error 2250 * rc zero success 2251 */ 2252 int 2253 smb_spool_add_doc(smb_tree_t *tree, smb_kspooldoc_t *sp) 2254 { 2255 smb_llist_t *splist; 2256 smb_server_t *sv = tree->t_server; 2257 int rc = 0; 2258 2259 splist = &sv->sp_info.sp_list; 2260 smb_llist_enter(splist, RW_WRITER); 2261 sp->sd_spool_num = atomic_inc_32_nv(&sv->sp_info.sp_cnt); 2262 smb_llist_insert_tail(splist, sp); 2263 smb_llist_exit(splist); 2264 2265 return (rc); 2266 } 2267 2268 /* 2269 * smb_server_create_session 2270 */ 2271 static void 2272 smb_server_create_session(smb_listener_daemon_t *ld, ksocket_t s_so) 2273 { 2274 smb_session_t *session; 2275 smb_receiver_arg_t *rarg; 2276 taskqid_t tqid; 2277 2278 session = smb_session_create(s_so, ld->ld_port, ld->ld_sv, 2279 ld->ld_family); 2280 2281 if (session == NULL) { 2282 smb_soshutdown(s_so); 2283 smb_sodestroy(s_so); 2284 cmn_err(CE_WARN, "SMB Session: alloc failed"); 2285 return; 2286 } 2287 2288 smb_llist_enter(&ld->ld_session_list, RW_WRITER); 2289 smb_llist_insert_tail(&ld->ld_session_list, session); 2290 smb_llist_exit(&ld->ld_session_list); 2291 2292 rarg = (smb_receiver_arg_t *)smb_mem_alloc( 2293 sizeof (smb_receiver_arg_t)); 2294 rarg->ra_listener = ld; 2295 rarg->ra_session = session; 2296 2297 /* 2298 * These taskq entries must run independently of one another, 2299 * so TQ_NOQUEUE. TQ_SLEEP (==0) just for clarity. 2300 */ 2301 tqid = taskq_dispatch(ld->ld_sv->sv_receiver_pool, 2302 smb_server_receiver, rarg, TQ_NOQUEUE | TQ_SLEEP); 2303 if (tqid == 0) { 2304 smb_mem_free(rarg); 2305 smb_session_disconnect(session); 2306 smb_server_destroy_session(ld, session); 2307 cmn_err(CE_WARN, "SMB Session: taskq_dispatch failed"); 2308 return; 2309 } 2310 /* handy for debugging */ 2311 session->s_receiver_tqid = tqid; 2312 } 2313 2314 static void 2315 smb_server_destroy_session(smb_listener_daemon_t *ld, smb_session_t *session) 2316 { 2317 smb_llist_enter(&ld->ld_session_list, RW_WRITER); 2318 smb_llist_remove(&ld->ld_session_list, session); 2319 smb_llist_exit(&ld->ld_session_list); 2320 smb_session_delete(session); 2321 } 2322