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 /* 23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright 2017 Nexenta Systems, Inc. All rights reserved. 25 */ 26 27 #include <mdb/mdb_modapi.h> 28 #include <mdb/mdb_ks.h> 29 #include <mdb/mdb_ctf.h> 30 #include <sys/note.h> 31 #include <sys/thread.h> 32 #include <sys/taskq.h> 33 #include <smbsrv/smb_vops.h> 34 #include <smbsrv/smb.h> 35 #include <smbsrv/smb_ktypes.h> 36 #include <smbsrv/smb_token.h> 37 #include <smbsrv/smb_oplock.h> 38 39 #ifndef _KMDB 40 #include "smbsrv_pcap.h" 41 #endif 42 43 #ifdef _KERNEL 44 #define SMBSRV_OBJNAME "smbsrv" 45 #else 46 #define SMBSRV_OBJNAME "libfksmbsrv.so.1" 47 #endif 48 49 #define SMBSRV_SCOPE SMBSRV_OBJNAME "`" 50 51 #define SMB_DCMD_INDENT 2 52 #define ACE_TYPE_TABLEN (ACE_ALL_TYPES + 1) 53 #define ACE_TYPE_ENTRY(_v_) {_v_, #_v_} 54 #define SMB_COM_ENTRY(_v_, _x_) {#_v_, _x_} 55 56 #define SMB_MDB_MAX_OPTS 10 57 58 #define SMB_OPT_SERVER 0x00000001 59 #define SMB_OPT_SESSION 0x00000002 60 #define SMB_OPT_REQUEST 0x00000004 61 #define SMB_OPT_USER 0x00000008 62 #define SMB_OPT_TREE 0x00000010 63 #define SMB_OPT_OFILE 0x00000020 64 #define SMB_OPT_ODIR 0x00000040 65 #define SMB_OPT_WALK 0x00000100 66 #define SMB_OPT_VERBOSE 0x00000200 67 #define SMB_OPT_ALL_OBJ 0x000000FF 68 69 /* 70 * Use CTF to set var = OFFSETOF(typ, mem) if possible, otherwise 71 * fall back to just OFFSETOF. The fall back is more convenient 72 * than trying to return an error where this is used, and also 73 * let's us find out at compile time if we're referring to any 74 * typedefs or member names that don't exist. Without that 75 * OFFSETOF fall back, we'd only find out at run time. 76 */ 77 #define GET_OFFSET(var, typ, mem) do { \ 78 var = mdb_ctf_offsetof_by_name(#typ, #mem); \ 79 if (var < 0) { \ 80 mdb_warn("cannot lookup: " #typ " ." #mem); \ 81 var = (int)OFFSETOF(typ, mem); \ 82 } \ 83 _NOTE(CONSTCOND) } while (0) 84 85 /* 86 * Structure associating an ACE type to a string. 87 */ 88 typedef struct { 89 uint8_t ace_type_value; 90 const char *ace_type_sting; 91 } ace_type_entry_t; 92 93 /* 94 * Structure containing strings describing an SMB command. 95 */ 96 typedef struct { 97 const char *smb_com; 98 const char *smb_andx; 99 } smb_com_entry_t; 100 101 /* 102 * Structure describing an object to be expanded (displayed). 103 */ 104 typedef struct { 105 uint_t ex_mask; 106 int (*ex_offset)(void); 107 const char *ex_dcmd; 108 const char *ex_name; 109 } smb_exp_t; 110 111 /* 112 * List of supported options. Ther order has the match the bits SMB_OPT_xxx. 113 */ 114 typedef struct smb_mdb_opts { 115 char *o_name; 116 uint32_t o_value; 117 } smb_mdb_opts_t; 118 119 static smb_mdb_opts_t smb_opts[SMB_MDB_MAX_OPTS] = 120 { 121 { "-s", SMB_OPT_SERVER }, 122 { "-e", SMB_OPT_SESSION }, 123 { "-r", SMB_OPT_REQUEST }, 124 { "-u", SMB_OPT_USER }, 125 { "-t", SMB_OPT_TREE }, 126 { "-f", SMB_OPT_OFILE }, 127 { "-d", SMB_OPT_ODIR }, 128 { "-w", SMB_OPT_WALK }, 129 { "-v", SMB_OPT_VERBOSE } 130 }; 131 132 /* 133 * These access mask bits are generic enough they could move into the 134 * genunix mdb module or somewhere so they could be shared. 135 */ 136 static const mdb_bitmask_t 137 nt_access_bits[] = { 138 { "READ_DATA", 139 FILE_READ_DATA, 140 FILE_READ_DATA }, 141 { "WRITE_DATA", 142 FILE_WRITE_DATA, 143 FILE_WRITE_DATA }, 144 { "APPEND_DATA", 145 FILE_APPEND_DATA, 146 FILE_APPEND_DATA }, 147 { "READ_EA", 148 FILE_READ_EA, 149 FILE_READ_EA }, 150 { "WRITE_EA", 151 FILE_WRITE_EA, 152 FILE_WRITE_EA }, 153 { "EXECUTE", 154 FILE_EXECUTE, 155 FILE_EXECUTE }, 156 { "DELETE_CHILD", 157 FILE_DELETE_CHILD, 158 FILE_DELETE_CHILD }, 159 { "READ_ATTR", 160 FILE_READ_ATTRIBUTES, 161 FILE_READ_ATTRIBUTES }, 162 { "WRITE_ATTR", 163 FILE_WRITE_ATTRIBUTES, 164 FILE_WRITE_ATTRIBUTES }, 165 { "DELETE", 166 DELETE, 167 DELETE }, 168 { "READ_CTRL", 169 READ_CONTROL, 170 READ_CONTROL }, 171 { "WRITE_DAC", 172 WRITE_DAC, 173 WRITE_DAC }, 174 { "WRITE_OWNER", 175 WRITE_OWNER, 176 WRITE_OWNER }, 177 { "SYNCH", 178 SYNCHRONIZE, 179 SYNCHRONIZE }, 180 { "ACC_SEC", 181 ACCESS_SYSTEM_SECURITY, 182 ACCESS_SYSTEM_SECURITY }, 183 { "MAX_ALLOWED", 184 MAXIMUM_ALLOWED, 185 MAXIMUM_ALLOWED }, 186 { "GEN_X", 187 GENERIC_EXECUTE, 188 GENERIC_EXECUTE }, 189 { "GEN_W", 190 GENERIC_WRITE, 191 GENERIC_WRITE }, 192 { "GEN_R", 193 GENERIC_READ, 194 GENERIC_READ }, 195 { NULL, 0, 0 } 196 }; 197 198 static smb_com_entry_t smb_com[256] = 199 { 200 SMB_COM_ENTRY(SMB_COM_CREATE_DIRECTORY, "No"), 201 SMB_COM_ENTRY(SMB_COM_DELETE_DIRECTORY, "No"), 202 SMB_COM_ENTRY(SMB_COM_OPEN, "No"), 203 SMB_COM_ENTRY(SMB_COM_CREATE, "No"), 204 SMB_COM_ENTRY(SMB_COM_CLOSE, "No"), 205 SMB_COM_ENTRY(SMB_COM_FLUSH, "No"), 206 SMB_COM_ENTRY(SMB_COM_DELETE, "No"), 207 SMB_COM_ENTRY(SMB_COM_RENAME, "No"), 208 SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION, "No"), 209 SMB_COM_ENTRY(SMB_COM_SET_INFORMATION, "No"), 210 SMB_COM_ENTRY(SMB_COM_READ, "No"), 211 SMB_COM_ENTRY(SMB_COM_WRITE, "No"), 212 SMB_COM_ENTRY(SMB_COM_LOCK_BYTE_RANGE, "No"), 213 SMB_COM_ENTRY(SMB_COM_UNLOCK_BYTE_RANGE, "No"), 214 SMB_COM_ENTRY(SMB_COM_CREATE_TEMPORARY, "No"), 215 SMB_COM_ENTRY(SMB_COM_CREATE_NEW, "No"), 216 SMB_COM_ENTRY(SMB_COM_CHECK_DIRECTORY, "No"), 217 SMB_COM_ENTRY(SMB_COM_PROCESS_EXIT, "No"), 218 SMB_COM_ENTRY(SMB_COM_SEEK, "No"), 219 SMB_COM_ENTRY(SMB_COM_LOCK_AND_READ, "No"), 220 SMB_COM_ENTRY(SMB_COM_WRITE_AND_UNLOCK, "No"), 221 SMB_COM_ENTRY(0x15, "?"), 222 SMB_COM_ENTRY(0x16, "?"), 223 SMB_COM_ENTRY(0x17, "?"), 224 SMB_COM_ENTRY(0x18, "?"), 225 SMB_COM_ENTRY(0x19, "?"), 226 SMB_COM_ENTRY(SMB_COM_READ_RAW, "No"), 227 SMB_COM_ENTRY(SMB_COM_READ_MPX, "No"), 228 SMB_COM_ENTRY(SMB_COM_READ_MPX_SECONDARY, "No"), 229 SMB_COM_ENTRY(SMB_COM_WRITE_RAW, "No"), 230 SMB_COM_ENTRY(SMB_COM_WRITE_MPX, "No"), 231 SMB_COM_ENTRY(SMB_COM_WRITE_MPX_SECONDARY, "No"), 232 SMB_COM_ENTRY(SMB_COM_WRITE_COMPLETE, "No"), 233 SMB_COM_ENTRY(SMB_COM_QUERY_SERVER, "No"), 234 SMB_COM_ENTRY(SMB_COM_SET_INFORMATION2, "No"), 235 SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION2, "No"), 236 SMB_COM_ENTRY(SMB_COM_LOCKING_ANDX, "No"), 237 SMB_COM_ENTRY(SMB_COM_TRANSACTION, "No"), 238 SMB_COM_ENTRY(SMB_COM_TRANSACTION_SECONDARY, "No"), 239 SMB_COM_ENTRY(SMB_COM_IOCTL, "No"), 240 SMB_COM_ENTRY(SMB_COM_IOCTL_SECONDARY, "No"), 241 SMB_COM_ENTRY(SMB_COM_COPY, "No"), 242 SMB_COM_ENTRY(SMB_COM_MOVE, "No"), 243 SMB_COM_ENTRY(SMB_COM_ECHO, "No"), 244 SMB_COM_ENTRY(SMB_COM_WRITE_AND_CLOSE, "No"), 245 SMB_COM_ENTRY(SMB_COM_OPEN_ANDX, "No"), 246 SMB_COM_ENTRY(SMB_COM_READ_ANDX, "No"), 247 SMB_COM_ENTRY(SMB_COM_WRITE_ANDX, "No"), 248 SMB_COM_ENTRY(SMB_COM_NEW_FILE_SIZE, "No"), 249 SMB_COM_ENTRY(SMB_COM_CLOSE_AND_TREE_DISC, "No"), 250 SMB_COM_ENTRY(SMB_COM_TRANSACTION2, "No"), 251 SMB_COM_ENTRY(SMB_COM_TRANSACTION2_SECONDARY, "No"), 252 SMB_COM_ENTRY(SMB_COM_FIND_CLOSE2, "No"), 253 SMB_COM_ENTRY(SMB_COM_FIND_NOTIFY_CLOSE, "No"), 254 SMB_COM_ENTRY(0x36, "?"), 255 SMB_COM_ENTRY(0x37, "?"), 256 SMB_COM_ENTRY(0x38, "?"), 257 SMB_COM_ENTRY(0x39, "?"), 258 SMB_COM_ENTRY(0x3A, "?"), 259 SMB_COM_ENTRY(0x3B, "?"), 260 SMB_COM_ENTRY(0x3C, "?"), 261 SMB_COM_ENTRY(0x3D, "?"), 262 SMB_COM_ENTRY(0x3E, "?"), 263 SMB_COM_ENTRY(0x3F, "?"), 264 SMB_COM_ENTRY(0x40, "?"), 265 SMB_COM_ENTRY(0x41, "?"), 266 SMB_COM_ENTRY(0x42, "?"), 267 SMB_COM_ENTRY(0x43, "?"), 268 SMB_COM_ENTRY(0x44, "?"), 269 SMB_COM_ENTRY(0x45, "?"), 270 SMB_COM_ENTRY(0x46, "?"), 271 SMB_COM_ENTRY(0x47, "?"), 272 SMB_COM_ENTRY(0x48, "?"), 273 SMB_COM_ENTRY(0x49, "?"), 274 SMB_COM_ENTRY(0x4A, "?"), 275 SMB_COM_ENTRY(0x4B, "?"), 276 SMB_COM_ENTRY(0x4C, "?"), 277 SMB_COM_ENTRY(0x4D, "?"), 278 SMB_COM_ENTRY(0x4E, "?"), 279 SMB_COM_ENTRY(0x4F, "?"), 280 SMB_COM_ENTRY(0x50, "?"), 281 SMB_COM_ENTRY(0x51, "?"), 282 SMB_COM_ENTRY(0x52, "?"), 283 SMB_COM_ENTRY(0x53, "?"), 284 SMB_COM_ENTRY(0x54, "?"), 285 SMB_COM_ENTRY(0x55, "?"), 286 SMB_COM_ENTRY(0x56, "?"), 287 SMB_COM_ENTRY(0x57, "?"), 288 SMB_COM_ENTRY(0x58, "?"), 289 SMB_COM_ENTRY(0x59, "?"), 290 SMB_COM_ENTRY(0x5A, "?"), 291 SMB_COM_ENTRY(0x5B, "?"), 292 SMB_COM_ENTRY(0x5C, "?"), 293 SMB_COM_ENTRY(0x5D, "?"), 294 SMB_COM_ENTRY(0x5E, "?"), 295 SMB_COM_ENTRY(0x5F, "?"), 296 SMB_COM_ENTRY(0x60, "?"), 297 SMB_COM_ENTRY(0x61, "?"), 298 SMB_COM_ENTRY(0x62, "?"), 299 SMB_COM_ENTRY(0x63, "?"), 300 SMB_COM_ENTRY(0x64, "?"), 301 SMB_COM_ENTRY(0x65, "?"), 302 SMB_COM_ENTRY(0x66, "?"), 303 SMB_COM_ENTRY(0x67, "?"), 304 SMB_COM_ENTRY(0x68, "?"), 305 SMB_COM_ENTRY(0x69, "?"), 306 SMB_COM_ENTRY(0x6A, "?"), 307 SMB_COM_ENTRY(0x6B, "?"), 308 SMB_COM_ENTRY(0x6C, "?"), 309 SMB_COM_ENTRY(0x6D, "?"), 310 SMB_COM_ENTRY(0x6E, "?"), 311 SMB_COM_ENTRY(0x6F, "?"), 312 SMB_COM_ENTRY(SMB_COM_TREE_CONNECT, "No"), 313 SMB_COM_ENTRY(SMB_COM_TREE_DISCONNECT, "No"), 314 SMB_COM_ENTRY(SMB_COM_NEGOTIATE, "No"), 315 SMB_COM_ENTRY(SMB_COM_SESSION_SETUP_ANDX, "No"), 316 SMB_COM_ENTRY(SMB_COM_LOGOFF_ANDX, "No"), 317 SMB_COM_ENTRY(SMB_COM_TREE_CONNECT_ANDX, "No"), 318 SMB_COM_ENTRY(0x76, "?"), 319 SMB_COM_ENTRY(0x77, "?"), 320 SMB_COM_ENTRY(0x78, "?"), 321 SMB_COM_ENTRY(0x79, "?"), 322 SMB_COM_ENTRY(0x7A, "?"), 323 SMB_COM_ENTRY(0x7B, "?"), 324 SMB_COM_ENTRY(0x7C, "?"), 325 SMB_COM_ENTRY(0x7D, "?"), 326 SMB_COM_ENTRY(0x7E, "?"), 327 SMB_COM_ENTRY(0x7F, "?"), 328 SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION_DISK, "No"), 329 SMB_COM_ENTRY(SMB_COM_SEARCH, "No"), 330 SMB_COM_ENTRY(SMB_COM_FIND, "No"), 331 SMB_COM_ENTRY(SMB_COM_FIND_UNIQUE, "No"), 332 SMB_COM_ENTRY(SMB_COM_FIND_CLOSE, "No"), 333 SMB_COM_ENTRY(0x85, "?"), 334 SMB_COM_ENTRY(0x86, "?"), 335 SMB_COM_ENTRY(0x87, "?"), 336 SMB_COM_ENTRY(0x88, "?"), 337 SMB_COM_ENTRY(0x89, "?"), 338 SMB_COM_ENTRY(0x8A, "?"), 339 SMB_COM_ENTRY(0x8B, "?"), 340 SMB_COM_ENTRY(0x8C, "?"), 341 SMB_COM_ENTRY(0x8D, "?"), 342 SMB_COM_ENTRY(0x8E, "?"), 343 SMB_COM_ENTRY(0x8F, "?"), 344 SMB_COM_ENTRY(0x90, "?"), 345 SMB_COM_ENTRY(0x91, "?"), 346 SMB_COM_ENTRY(0x92, "?"), 347 SMB_COM_ENTRY(0x93, "?"), 348 SMB_COM_ENTRY(0x94, "?"), 349 SMB_COM_ENTRY(0x95, "?"), 350 SMB_COM_ENTRY(0x96, "?"), 351 SMB_COM_ENTRY(0x97, "?"), 352 SMB_COM_ENTRY(0x98, "?"), 353 SMB_COM_ENTRY(0x99, "?"), 354 SMB_COM_ENTRY(0x9A, "?"), 355 SMB_COM_ENTRY(0x9B, "?"), 356 SMB_COM_ENTRY(0x9C, "?"), 357 SMB_COM_ENTRY(0x9D, "?"), 358 SMB_COM_ENTRY(0x9E, "?"), 359 SMB_COM_ENTRY(0x9F, "?"), 360 SMB_COM_ENTRY(SMB_COM_NT_TRANSACT, "No"), 361 SMB_COM_ENTRY(SMB_COM_NT_TRANSACT_SECONDARY, "No"), 362 SMB_COM_ENTRY(SMB_COM_NT_CREATE_ANDX, "No"), 363 SMB_COM_ENTRY(0xA3, "?"), 364 SMB_COM_ENTRY(SMB_COM_NT_CANCEL, "No"), 365 SMB_COM_ENTRY(SMB_COM_NT_RENAME, "No"), 366 SMB_COM_ENTRY(0xA6, "?"), 367 SMB_COM_ENTRY(0xA7, "?"), 368 SMB_COM_ENTRY(0xA8, "?"), 369 SMB_COM_ENTRY(0xA9, "?"), 370 SMB_COM_ENTRY(0xAA, "?"), 371 SMB_COM_ENTRY(0xAB, "?"), 372 SMB_COM_ENTRY(0xAC, "?"), 373 SMB_COM_ENTRY(0xAD, "?"), 374 SMB_COM_ENTRY(0xAE, "?"), 375 SMB_COM_ENTRY(0xAF, "?"), 376 SMB_COM_ENTRY(0xB0, "?"), 377 SMB_COM_ENTRY(0xB1, "?"), 378 SMB_COM_ENTRY(0xB2, "?"), 379 SMB_COM_ENTRY(0xB3, "?"), 380 SMB_COM_ENTRY(0xB4, "?"), 381 SMB_COM_ENTRY(0xB5, "?"), 382 SMB_COM_ENTRY(0xB6, "?"), 383 SMB_COM_ENTRY(0xB7, "?"), 384 SMB_COM_ENTRY(0xB8, "?"), 385 SMB_COM_ENTRY(0xB9, "?"), 386 SMB_COM_ENTRY(0xBA, "?"), 387 SMB_COM_ENTRY(0xBB, "?"), 388 SMB_COM_ENTRY(0xBC, "?"), 389 SMB_COM_ENTRY(0xBD, "?"), 390 SMB_COM_ENTRY(0xBE, "?"), 391 SMB_COM_ENTRY(0xBF, "?"), 392 SMB_COM_ENTRY(SMB_COM_OPEN_PRINT_FILE, "No"), 393 SMB_COM_ENTRY(SMB_COM_WRITE_PRINT_FILE, "No"), 394 SMB_COM_ENTRY(SMB_COM_CLOSE_PRINT_FILE, "No"), 395 SMB_COM_ENTRY(SMB_COM_GET_PRINT_QUEUE, "No"), 396 SMB_COM_ENTRY(0xC4, "?"), 397 SMB_COM_ENTRY(0xC5, "?"), 398 SMB_COM_ENTRY(0xC6, "?"), 399 SMB_COM_ENTRY(0xC7, "?"), 400 SMB_COM_ENTRY(0xC8, "?"), 401 SMB_COM_ENTRY(0xC9, "?"), 402 SMB_COM_ENTRY(0xCA, "?"), 403 SMB_COM_ENTRY(0xCB, "?"), 404 SMB_COM_ENTRY(0xCC, "?"), 405 SMB_COM_ENTRY(0xCD, "?"), 406 SMB_COM_ENTRY(0xCE, "?"), 407 SMB_COM_ENTRY(0xCF, "?"), 408 SMB_COM_ENTRY(0xD0, "?"), 409 SMB_COM_ENTRY(0xD1, "?"), 410 SMB_COM_ENTRY(0xD2, "?"), 411 SMB_COM_ENTRY(0xD3, "?"), 412 SMB_COM_ENTRY(0xD4, "?"), 413 SMB_COM_ENTRY(0xD5, "?"), 414 SMB_COM_ENTRY(0xD6, "?"), 415 SMB_COM_ENTRY(0xD7, "?"), 416 SMB_COM_ENTRY(SMB_COM_READ_BULK, "No"), 417 SMB_COM_ENTRY(SMB_COM_WRITE_BULK, "No"), 418 SMB_COM_ENTRY(SMB_COM_WRITE_BULK_DATA, "No"), 419 SMB_COM_ENTRY(0xDB, "?"), 420 SMB_COM_ENTRY(0xDC, "?"), 421 SMB_COM_ENTRY(0xDD, "?"), 422 SMB_COM_ENTRY(0xDE, "?"), 423 SMB_COM_ENTRY(0xDF, "?"), 424 SMB_COM_ENTRY(0xE0, "?"), 425 SMB_COM_ENTRY(0xE1, "?"), 426 SMB_COM_ENTRY(0xE2, "?"), 427 SMB_COM_ENTRY(0xE3, "?"), 428 SMB_COM_ENTRY(0xE4, "?"), 429 SMB_COM_ENTRY(0xE5, "?"), 430 SMB_COM_ENTRY(0xE6, "?"), 431 SMB_COM_ENTRY(0xE7, "?"), 432 SMB_COM_ENTRY(0xE8, "?"), 433 SMB_COM_ENTRY(0xE9, "?"), 434 SMB_COM_ENTRY(0xEA, "?"), 435 SMB_COM_ENTRY(0xEB, "?"), 436 SMB_COM_ENTRY(0xEC, "?"), 437 SMB_COM_ENTRY(0xED, "?"), 438 SMB_COM_ENTRY(0xEE, "?"), 439 SMB_COM_ENTRY(0xEF, "?"), 440 SMB_COM_ENTRY(0xF0, "?"), 441 SMB_COM_ENTRY(0xF1, "?"), 442 SMB_COM_ENTRY(0xF2, "?"), 443 SMB_COM_ENTRY(0xF3, "?"), 444 SMB_COM_ENTRY(0xF4, "?"), 445 SMB_COM_ENTRY(0xF5, "?"), 446 SMB_COM_ENTRY(0xF6, "?"), 447 SMB_COM_ENTRY(0xF7, "?"), 448 SMB_COM_ENTRY(0xF8, "?"), 449 SMB_COM_ENTRY(0xF9, "?"), 450 SMB_COM_ENTRY(0xFA, "?"), 451 SMB_COM_ENTRY(0xFB, "?"), 452 SMB_COM_ENTRY(0xFC, "?"), 453 SMB_COM_ENTRY(0xFD, "?"), 454 SMB_COM_ENTRY(0xFE, "?"), 455 SMB_COM_ENTRY(0xFF, "?") 456 }; 457 458 static const char *smb2_cmd_names[SMB2__NCMDS] = { 459 "smb2_negotiate", 460 "smb2_session_setup", 461 "smb2_logoff", 462 "smb2_tree_connect", 463 "smb2_tree_disconn", 464 "smb2_create", 465 "smb2_close", 466 "smb2_flush", 467 "smb2_read", 468 "smb2_write", 469 "smb2_lock", 470 "smb2_ioctl", 471 "smb2_cancel", 472 "smb2_echo", 473 "smb2_query_dir", 474 "smb2_change_notify", 475 "smb2_query_info", 476 "smb2_set_info", 477 "smb2_oplock_break", 478 "smb2_invalid_cmd" 479 }; 480 481 struct mdb_smb_oplock; 482 483 static int smb_sid_print(uintptr_t); 484 static int smb_dcmd_getopt(uint_t *, int, const mdb_arg_t *); 485 static int smb_dcmd_setopt(uint_t, int, mdb_arg_t *); 486 static int smb_obj_expand(uintptr_t, uint_t, const smb_exp_t *, ulong_t); 487 static int smb_obj_list(const char *, uint_t, uint_t); 488 static int smb_worker_findstack(uintptr_t); 489 static int smb_node_get_oplock(uintptr_t, struct mdb_smb_oplock **); 490 static int smb_node_oplock_cnt(struct mdb_smb_oplock *); 491 static void smb_inaddr_ntop(smb_inaddr_t *, char *, size_t); 492 static void get_enum(char *, size_t, const char *, int, const char *); 493 494 typedef int (*dump_func_t)(struct mbuf_chain *, int32_t, 495 smb_inaddr_t *, uint16_t, smb_inaddr_t *, uint16_t, 496 hrtime_t, boolean_t); 497 static int smb_req_dump(struct mbuf_chain *, int32_t, 498 smb_inaddr_t *, uint16_t, smb_inaddr_t *, uint16_t, 499 hrtime_t, boolean_t); 500 static int smb_req_dump_m(uintptr_t, const void *, void *); 501 502 /* 503 * ***************************************************************************** 504 * ****************************** Top level DCMD ******************************* 505 * ***************************************************************************** 506 */ 507 508 static void 509 smblist_help(void) 510 { 511 mdb_printf( 512 "Displays the list of objects using an indented tree format.\n" 513 "If no option is specified the entire tree is displayed\n\n"); 514 (void) mdb_dec_indent(2); 515 mdb_printf("%<b>OPTIONS%</b>\n"); 516 (void) mdb_inc_indent(2); 517 mdb_printf( 518 "-v\tDisplay verbose information\n" 519 "-s\tDisplay the list of servers\n" 520 "-e\tDisplay the list of sessions\n" 521 "-r\tDisplay the list of smb requests\n" 522 "-u\tDisplay the list of users\n" 523 "-t\tDisplay the list of trees\n" 524 "-f\tDisplay the list of open files\n" 525 "-d\tDisplay the list of open searches\n"); 526 } 527 528 /* 529 * ::smblist 530 * 531 * This function lists the objects specified on the command line. If no object 532 * is specified the entire tree (server through ofile and odir) is displayed. 533 * 534 */ 535 /*ARGSUSED*/ 536 static int 537 smblist_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 538 { 539 GElf_Sym sym; 540 uint_t opts = 0; 541 int new_argc; 542 mdb_arg_t new_argv[SMB_MDB_MAX_OPTS]; 543 int ll_off; 544 545 if (smb_dcmd_getopt(&opts, argc, argv)) 546 return (DCMD_USAGE); 547 548 if (!(opts & ~(SMB_OPT_WALK | SMB_OPT_VERBOSE))) 549 opts |= SMB_OPT_ALL_OBJ; 550 551 opts |= SMB_OPT_WALK; 552 553 new_argc = smb_dcmd_setopt(opts, SMB_MDB_MAX_OPTS, new_argv); 554 555 if (mdb_lookup_by_obj(SMBSRV_OBJNAME, "smb_servers", &sym) == -1) { 556 mdb_warn("failed to find symbol smb_servers"); 557 return (DCMD_ERR); 558 } 559 560 GET_OFFSET(ll_off, smb_llist_t, ll_list); 561 addr = (uintptr_t)sym.st_value + ll_off; 562 563 if (mdb_pwalk_dcmd("list", "smbsrv", new_argc, new_argv, addr)) { 564 mdb_warn("cannot walk smb_server list"); 565 return (DCMD_ERR); 566 } 567 return (DCMD_OK); 568 } 569 570 /* 571 * ***************************************************************************** 572 * ***************************** smb_server_t ********************************** 573 * ***************************************************************************** 574 */ 575 576 typedef struct mdb_smb_server { 577 smb_server_state_t sv_state; 578 zoneid_t sv_zid; 579 smb_hash_t *sv_persistid_ht; 580 } mdb_smb_server_t; 581 582 static int 583 smb_server_exp_off_sv_list(void) 584 { 585 int svl_off, ll_off; 586 587 /* OFFSETOF(smb_server_t, sv_session_list.ll_list); */ 588 GET_OFFSET(svl_off, smb_server_t, sv_session_list); 589 GET_OFFSET(ll_off, smb_llist_t, ll_list); 590 return (svl_off + ll_off); 591 } 592 593 static int 594 smb_server_exp_off_nbt_list(void) 595 { 596 int svd_off, lds_off, ll_off; 597 598 /* OFFSETOF(smb_server_t, sv_nbt_daemon.ld_session_list.ll_list); */ 599 GET_OFFSET(svd_off, smb_server_t, sv_nbt_daemon); 600 /* 601 * We can't do OFFSETOF() because the member doesn't exist, 602 * but we want backwards compatibility to old cores 603 */ 604 lds_off = mdb_ctf_offsetof_by_name("smb_listener_daemon_t", 605 "ld_session_list"); 606 if (lds_off < 0) { 607 mdb_warn("cannot lookup: " 608 "smb_listener_daemon_t .ld_session_list"); 609 return (-1); 610 } 611 GET_OFFSET(ll_off, smb_llist_t, ll_list); 612 return (svd_off + lds_off + ll_off); 613 } 614 615 static int 616 smb_server_exp_off_tcp_list(void) 617 { 618 int svd_off, lds_off, ll_off; 619 620 /* OFFSETOF(smb_server_t, sv_tcp_daemon.ld_session_list.ll_list); */ 621 GET_OFFSET(svd_off, smb_server_t, sv_tcp_daemon); 622 /* 623 * We can't do OFFSETOF() because the member doesn't exist, 624 * but we want backwards compatibility to old cores 625 */ 626 lds_off = mdb_ctf_offsetof_by_name("smb_listener_daemon_t", 627 "ld_session_list"); 628 if (lds_off < 0) { 629 mdb_warn("cannot lookup: " 630 "smb_listener_daemon_t .ld_session_list"); 631 return (-1); 632 } 633 GET_OFFSET(ll_off, smb_llist_t, ll_list); 634 return (svd_off + lds_off + ll_off); 635 } 636 637 /* 638 * List of objects that can be expanded under a server structure. 639 */ 640 static const smb_exp_t smb_server_exp[] = 641 { 642 { SMB_OPT_ALL_OBJ, 643 smb_server_exp_off_sv_list, 644 "smbsess", "smb_session"}, 645 { 0, 0, NULL, NULL } 646 }; 647 648 /* for backwards compatibility only */ 649 static const smb_exp_t smb_server_exp_old[] = 650 { 651 { SMB_OPT_ALL_OBJ, 652 smb_server_exp_off_nbt_list, 653 "smbsess", "smb_session"}, 654 { SMB_OPT_ALL_OBJ, 655 smb_server_exp_off_tcp_list, 656 "smbsess", "smb_session"}, 657 { 0, 0, NULL, NULL } 658 }; 659 660 /* 661 * ::smbsrv 662 * 663 * smbsrv dcmd - Print out smb_server structures. 664 */ 665 /*ARGSUSED*/ 666 static int 667 smbsrv_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 668 { 669 uint_t opts; 670 ulong_t indent = 0; 671 const smb_exp_t *sv_exp; 672 mdb_ctf_id_t id; 673 ulong_t off; 674 675 if (smb_dcmd_getopt(&opts, argc, argv)) 676 return (DCMD_USAGE); 677 678 if (!(flags & DCMD_ADDRSPEC)) 679 return (smb_obj_list("smb_server", opts | SMB_OPT_SERVER, 680 flags)); 681 682 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_SERVER)) || 683 !(opts & SMB_OPT_WALK)) { 684 mdb_smb_server_t *sv; 685 char state[40]; 686 687 sv = mdb_zalloc(sizeof (*sv), UM_SLEEP | UM_GC); 688 if (mdb_ctf_vread(sv, SMBSRV_SCOPE "smb_server_t", 689 "mdb_smb_server_t", addr, 0) < 0) { 690 mdb_warn("failed to read smb_server at %p", addr); 691 return (DCMD_ERR); 692 } 693 694 indent = SMB_DCMD_INDENT; 695 696 if (opts & SMB_OPT_VERBOSE) { 697 mdb_arg_t argv; 698 699 argv.a_type = MDB_TYPE_STRING; 700 argv.a_un.a_str = "smb_server_t"; 701 if (mdb_call_dcmd("print", addr, flags, 1, &argv)) 702 return (DCMD_ERR); 703 } else { 704 if (DCMD_HDRSPEC(flags)) 705 mdb_printf( 706 "%<b>%<u>%-?s% " 707 "%-4s% " 708 "%-32s% " 709 "%</u>%</b>\n", 710 "SERVER", "ZONE", "STATE"); 711 712 get_enum(state, sizeof (state), 713 "smb_server_state_t", sv->sv_state, 714 "SMB_SERVER_STATE_"); 715 716 mdb_printf("%-?p %-4d %-32s \n", 717 addr, sv->sv_zid, state); 718 } 719 } 720 721 /* if we can't look up the type name, just error out */ 722 if (mdb_ctf_lookup_by_name("smb_server_t", &id) == -1) 723 return (DCMD_ERR); 724 725 if (mdb_ctf_offsetof(id, "sv_session_list", &off) == -1) 726 /* sv_session_list doesn't exist; old core */ 727 sv_exp = smb_server_exp_old; 728 else 729 sv_exp = smb_server_exp; 730 731 if (smb_obj_expand(addr, opts, sv_exp, indent)) 732 return (DCMD_ERR); 733 return (DCMD_OK); 734 } 735 736 /* 737 * ***************************************************************************** 738 * ***************************** smb_session_t ********************************* 739 * ***************************************************************************** 740 */ 741 742 /* 743 * After some changes merged from upstream, "::smblist" was failing with 744 * "inexact match for union au_addr (au_addr)" because the CTF data for 745 * the target vs mdb were apparently not exactly the same (unknown why). 746 * 747 * As described above mdb_ctf_vread(), the recommended way to read a 748 * union is to use an mdb struct with only the union "arm" appropriate 749 * to the given type instance. That's difficult in this case, so we 750 * use a local union with only the in6_addr_t union arm (otherwise 751 * identical to smb_inaddr_t) and just cast it to an smb_inaddr_t 752 */ 753 754 typedef struct mdb_smb_inaddr { 755 union { 756 #if 0 /* The real smb_inaddr_t has these too. */ 757 in_addr_t au_ipv4; 758 in6_addr_t au_ipv6; 759 #endif 760 in6_addr_t au_ip; 761 } au_addr; 762 int a_family; 763 } mdb_smb_inaddr_t; 764 765 typedef struct mdb_smb_session { 766 uint64_t s_kid; 767 smb_session_state_t s_state; 768 uint32_t s_flags; 769 uint16_t s_local_port; 770 uint16_t s_remote_port; 771 mdb_smb_inaddr_t ipaddr; 772 mdb_smb_inaddr_t local_ipaddr; 773 int dialect; 774 775 smb_slist_t s_req_list; 776 smb_llist_t s_xa_list; 777 smb_llist_t s_user_list; 778 smb_llist_t s_tree_list; 779 780 volatile uint32_t s_tree_cnt; 781 volatile uint32_t s_file_cnt; 782 volatile uint32_t s_dir_cnt; 783 784 char workstation[SMB_PI_MAX_HOST]; 785 } mdb_smb_session_t; 786 787 static int 788 smb_session_exp_off_req_list(void) 789 { 790 int rl_off, sl_off; 791 792 /* OFFSETOF(smb_session_t, s_req_list.sl_list); */ 793 GET_OFFSET(rl_off, smb_session_t, s_req_list); 794 GET_OFFSET(sl_off, smb_slist_t, sl_list); 795 return (rl_off + sl_off); 796 } 797 798 static int 799 smb_session_exp_off_user_list(void) 800 { 801 int ul_off, ll_off; 802 803 /* OFFSETOF(smb_session_t, s_user_list.ll_list); */ 804 GET_OFFSET(ul_off, smb_session_t, s_user_list); 805 GET_OFFSET(ll_off, smb_llist_t, ll_list); 806 return (ul_off + ll_off); 807 } 808 809 static int 810 smb_session_exp_off_tree_list(void) 811 { 812 int tl_off, ll_off; 813 814 /* OFFSETOF(smb_session_t, s_tree_list.ll_list); */ 815 GET_OFFSET(tl_off, smb_session_t, s_tree_list); 816 GET_OFFSET(ll_off, smb_llist_t, ll_list); 817 return (tl_off + ll_off); 818 } 819 820 /* 821 * List of objects that can be expanded under a session structure. 822 */ 823 static const smb_exp_t smb_session_exp[] = 824 { 825 { SMB_OPT_USER, 826 smb_session_exp_off_user_list, 827 "smbuser", "smb_user"}, 828 { SMB_OPT_TREE | SMB_OPT_OFILE | SMB_OPT_ODIR, 829 smb_session_exp_off_tree_list, 830 "smbtree", "smb_tree"}, 831 { SMB_OPT_REQUEST, 832 smb_session_exp_off_req_list, 833 "smbreq", "smb_request"}, 834 { 0, 0, NULL, NULL} 835 }; 836 837 static void 838 smbsess_help(void) 839 { 840 mdb_printf( 841 "Display the contents of smb_session_t, with optional" 842 " filtering.\n\n"); 843 (void) mdb_dec_indent(2); 844 mdb_printf("%<b>OPTIONS%</b>\n"); 845 (void) mdb_inc_indent(2); 846 mdb_printf( 847 "-v\tDisplay verbose smb_session information\n" 848 "-r\tDisplay the list of smb requests attached\n" 849 "-u\tDisplay the list of users attached\n"); 850 } 851 852 /* 853 * ::smbsess 854 * 855 * smbsess dcmd - Print out the smb_session structure. 856 */ 857 static int 858 smbsess_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 859 { 860 uint_t opts; 861 ulong_t indent = 0; 862 863 if (smb_dcmd_getopt(&opts, argc, argv)) 864 return (DCMD_USAGE); 865 866 if (!(flags & DCMD_ADDRSPEC)) { 867 opts |= SMB_OPT_SESSION; 868 opts &= ~SMB_OPT_SERVER; 869 return (smb_obj_list("smb_session", opts, flags)); 870 } 871 872 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_SESSION)) || 873 !(opts & SMB_OPT_WALK)) { 874 char cipaddr[INET6_ADDRSTRLEN]; 875 char lipaddr[INET6_ADDRSTRLEN]; 876 int ipaddrstrlen = INET6_ADDRSTRLEN; 877 mdb_smb_session_t *se; 878 char state[40]; 879 880 indent = SMB_DCMD_INDENT; 881 882 se = mdb_zalloc(sizeof (*se), UM_SLEEP | UM_GC); 883 if (mdb_ctf_vread(se, SMBSRV_SCOPE "smb_session_t", 884 "mdb_smb_session_t", addr, 0) < 0) { 885 mdb_warn("failed to read smb_session at %p", addr); 886 return (DCMD_ERR); 887 } 888 889 get_enum(state, sizeof (state), 890 "smb_session_state_t", se->s_state, 891 "SMB_SESSION_STATE_"); 892 893 smb_inaddr_ntop((smb_inaddr_t *)&se->ipaddr, 894 cipaddr, ipaddrstrlen); 895 smb_inaddr_ntop((smb_inaddr_t *)&se->local_ipaddr, 896 lipaddr, ipaddrstrlen); 897 898 if (opts & SMB_OPT_VERBOSE) { 899 mdb_printf("%<b>%<u>SMB session information " 900 "(%p): %</u>%</b>\n", addr); 901 mdb_printf("Client IP address: %s %d\n", 902 cipaddr, se->s_remote_port); 903 mdb_printf("Local IP Address: %s %d\n", 904 lipaddr, se->s_local_port); 905 mdb_printf("Session KID: %u\n", se->s_kid); 906 mdb_printf("Workstation Name: %s\n", 907 se->workstation); 908 mdb_printf("Session state: %u (%s)\n", se->s_state, 909 state); 910 mdb_printf("Session dialect: %#x\n", se->dialect); 911 mdb_printf("Number of Users: %u\n", 912 se->s_user_list.ll_count); 913 mdb_printf("Number of Trees: %u\n", se->s_tree_cnt); 914 mdb_printf("Number of Files: %u\n", se->s_file_cnt); 915 mdb_printf("Number of Shares: %u\n", se->s_dir_cnt); 916 mdb_printf("Number of active Transact.: %u\n\n", 917 se->s_xa_list.ll_count); 918 } else { 919 /* 920 * Use a reasonable mininum field width for the 921 * IP addr so the summary (usually) won't wrap. 922 */ 923 int ipwidth = 22; 924 925 if (DCMD_HDRSPEC(flags)) { 926 mdb_printf( 927 "%<b>%<u>%-?s %-*s %-8s %-8s %-12s%</u>%</b>\n", 928 "SESSION", ipwidth, "IP_ADDR", 929 "PORT", "DIALECT", "STATE"); 930 } 931 mdb_printf("%-?p %-*s %-8d %-8#x %s\n", 932 addr, ipwidth, cipaddr, 933 se->s_remote_port, se->dialect, state); 934 } 935 } 936 if (smb_obj_expand(addr, opts, smb_session_exp, indent)) 937 return (DCMD_ERR); 938 939 return (DCMD_OK); 940 } 941 942 /* 943 * ***************************************************************************** 944 * **************************** smb_request_t ********************************** 945 * ***************************************************************************** 946 */ 947 948 typedef struct mdb_smb_request { 949 smb_req_state_t sr_state; 950 smb_session_t *session; 951 struct mbuf_chain command; 952 struct mbuf_chain reply; 953 954 unsigned char first_smb_com; 955 unsigned char smb_com; 956 957 uint16_t smb_tid; 958 uint32_t smb_pid; 959 uint16_t smb_uid; 960 uint16_t smb_mid; 961 uint16_t smb_fid; 962 963 uint16_t smb2_cmd_code; 964 uint64_t smb2_messageid; 965 uint64_t smb2_ssnid; 966 967 struct smb_tree *tid_tree; 968 struct smb_ofile *fid_ofile; 969 smb_user_t *uid_user; 970 971 kthread_t *sr_worker; 972 hrtime_t sr_time_submitted; 973 hrtime_t sr_time_active; 974 hrtime_t sr_time_start; 975 976 } mdb_smb_request_t; 977 978 #define SMB_REQUEST_BANNER \ 979 "%<b>%<u>%-?s %-14s %-?s %-16s %-16s%</u>%</b>\n" 980 #define SMB_REQUEST_FORMAT \ 981 "%-?p 0x%-12llx %-?p %-16s %s\n" 982 983 /* 984 * ::smbreq 985 * 986 * smbreq dcmd - Print out smb_request_t 987 */ 988 static int 989 smbreq_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 990 { 991 uint_t opts; 992 993 if (smb_dcmd_getopt(&opts, argc, argv)) 994 return (DCMD_USAGE); 995 996 if (!(flags & DCMD_ADDRSPEC)) { 997 opts |= SMB_OPT_REQUEST; 998 opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_USER); 999 return (smb_obj_list("smb_request", opts, flags)); 1000 } 1001 1002 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_REQUEST)) || 1003 !(opts & SMB_OPT_WALK)) { 1004 mdb_smb_request_t *sr; 1005 char state[40]; 1006 const char *cur_cmd_name; 1007 uint_t cur_cmd_code; 1008 uint64_t msg_id; 1009 1010 sr = mdb_zalloc(sizeof (*sr), UM_SLEEP | UM_GC); 1011 if (mdb_ctf_vread(sr, SMBSRV_SCOPE "smb_request_t", 1012 "mdb_smb_request_t", addr, 0) < 0) { 1013 mdb_warn("failed to read smb_request at %p", addr); 1014 return (DCMD_ERR); 1015 } 1016 1017 get_enum(state, sizeof (state), 1018 "smb_req_state_t", sr->sr_state, 1019 "SMB_REQ_STATE_"); 1020 1021 if (sr->smb2_cmd_code != 0) { 1022 /* SMB2 request */ 1023 cur_cmd_code = sr->smb2_cmd_code; 1024 if (cur_cmd_code > SMB2_INVALID_CMD) 1025 cur_cmd_code = SMB2_INVALID_CMD; 1026 cur_cmd_name = smb2_cmd_names[cur_cmd_code]; 1027 msg_id = sr->smb2_messageid; 1028 } else { 1029 /* SMB1 request */ 1030 cur_cmd_code = sr->smb_com & 0xFF; 1031 cur_cmd_name = smb_com[cur_cmd_code].smb_com; 1032 msg_id = sr->smb_mid; 1033 } 1034 1035 if (opts & SMB_OPT_VERBOSE) { 1036 mdb_printf( 1037 "%</b>%</u>SMB request information (%p):" 1038 "%</u>%</b>\n\n", addr); 1039 1040 if (sr->smb2_cmd_code == 0) { 1041 /* SMB1 request */ 1042 mdb_printf( 1043 "first SMB COM: %u (%s)\n", 1044 sr->first_smb_com, 1045 smb_com[sr->first_smb_com].smb_com); 1046 } 1047 1048 mdb_printf( 1049 "current SMB COM: %u (%s)\n", 1050 cur_cmd_code, cur_cmd_name); 1051 1052 mdb_printf( 1053 "state: %u (%s)\n", 1054 sr->sr_state, state); 1055 1056 if (sr->smb2_ssnid != 0) { 1057 mdb_printf( 1058 "SSNID(user): 0x%llx (%p)\n", 1059 sr->smb2_ssnid, sr->uid_user); 1060 } else { 1061 mdb_printf( 1062 "UID(user): %u (%p)\n", 1063 sr->smb_uid, sr->uid_user); 1064 } 1065 1066 mdb_printf( 1067 "TID(tree): %u (%p)\n", 1068 sr->smb_tid, sr->tid_tree); 1069 1070 mdb_printf( 1071 "FID(file): %u (%p)\n", 1072 sr->smb_fid, sr->fid_ofile); 1073 1074 mdb_printf( 1075 "PID: %u\n", 1076 sr->smb_pid); 1077 1078 mdb_printf( 1079 "MID: 0x%llx\n", 1080 msg_id); 1081 1082 /* 1083 * Note: mdb_gethrtime() is only available in kmdb 1084 */ 1085 #ifdef _KERNEL 1086 if (sr->sr_time_submitted != 0) { 1087 uint64_t waiting = 0; 1088 uint64_t running = 0; 1089 1090 if (sr->sr_time_active != 0) { 1091 waiting = sr->sr_time_active - 1092 sr->sr_time_submitted; 1093 running = mdb_gethrtime() - 1094 sr->sr_time_active; 1095 } else { 1096 waiting = mdb_gethrtime() - 1097 sr->sr_time_submitted; 1098 } 1099 waiting /= NANOSEC; 1100 running /= NANOSEC; 1101 1102 mdb_printf( 1103 "waiting time: %lld\n", 1104 waiting); 1105 1106 mdb_printf( 1107 "running time: %lld\n", 1108 running); 1109 } 1110 #endif /* _KERNEL */ 1111 1112 mdb_printf( 1113 "worker thread: %p\n", 1114 sr->sr_worker); 1115 if (sr->sr_worker != NULL) { 1116 smb_worker_findstack((uintptr_t)sr->sr_worker); 1117 } 1118 } else { 1119 if (DCMD_HDRSPEC(flags)) 1120 mdb_printf( 1121 SMB_REQUEST_BANNER, 1122 "REQUEST", 1123 "MSG_ID", 1124 "WORKER", 1125 "STATE", 1126 "COMMAND"); 1127 1128 mdb_printf( 1129 SMB_REQUEST_FORMAT, 1130 addr, 1131 msg_id, 1132 sr->sr_worker, 1133 state, 1134 cur_cmd_name); 1135 } 1136 } 1137 return (DCMD_OK); 1138 } 1139 1140 static void 1141 smbreq_dump_help(void) 1142 { 1143 mdb_printf( 1144 "Dump the network data for an smb_request_t, either" 1145 " command, reply, or (by default) both. Optionally" 1146 " append data to a pcap file (mdb only, not kmdb).\n\n"); 1147 (void) mdb_dec_indent(2); 1148 mdb_printf("%<b>OPTIONS%</b>\n"); 1149 (void) mdb_inc_indent(2); 1150 mdb_printf( 1151 "-c\tDump only the SMB command message\n" 1152 "-r\tDump only the SMB reply message (if present)\n" 1153 "-o FILE\tOutput to FILE (append) in pcap format\n"); 1154 } 1155 1156 #define SMB_RDOPT_COMMAND 1 1157 #define SMB_RDOPT_REPLY 2 1158 #define SMB_RDOPT_OUTFILE 4 1159 1160 /* 1161 * Like "smbreq" but just dump the command/reply messages. 1162 * With the output file option, append to a pcap file. 1163 */ 1164 static int 1165 smbreq_dump_dcmd(uintptr_t rqaddr, uint_t flags, int argc, 1166 const mdb_arg_t *argv) 1167 { 1168 mdb_smb_session_t *ssn; 1169 mdb_smb_request_t *sr; 1170 char *outfile = NULL; 1171 dump_func_t dump_func; 1172 uint64_t msgid; 1173 uintptr_t ssnaddr; 1174 uint_t opts = 0; 1175 int rc = DCMD_OK; 1176 1177 if (!(flags & DCMD_ADDRSPEC)) 1178 return (DCMD_USAGE); 1179 1180 if (mdb_getopts(argc, argv, 1181 'c', MDB_OPT_SETBITS, SMB_RDOPT_COMMAND, &opts, 1182 'r', MDB_OPT_SETBITS, SMB_RDOPT_REPLY, &opts, 1183 'o', MDB_OPT_STR, &outfile, 1184 NULL) != argc) 1185 return (DCMD_USAGE); 1186 #ifdef _KMDB 1187 if (outfile != NULL) { 1188 mdb_warn("smbreq_dump -o option not supported in kmdb\n"); 1189 return (DCMD_ERR); 1190 } 1191 #endif /* _KMDB */ 1192 1193 /* 1194 * Default without -c or -r is to dump both. 1195 */ 1196 if ((opts & (SMB_RDOPT_COMMAND | SMB_RDOPT_REPLY)) == 0) 1197 opts |= SMB_RDOPT_COMMAND | SMB_RDOPT_REPLY; 1198 1199 /* 1200 * Get the smb_request_t, for the cmd/reply messages. 1201 */ 1202 sr = mdb_zalloc(sizeof (*sr), UM_SLEEP | UM_GC); 1203 if (mdb_ctf_vread(sr, SMBSRV_SCOPE "smb_request_t", 1204 "mdb_smb_request_t", rqaddr, 0) < 0) { 1205 mdb_warn("failed to read smb_request at %p", rqaddr); 1206 return (DCMD_ERR); 1207 } 1208 1209 /* 1210 * Get the session too, for the IP addresses & ports. 1211 */ 1212 ssnaddr = (uintptr_t)sr->session; 1213 ssn = mdb_zalloc(sizeof (*ssn), UM_SLEEP | UM_GC); 1214 if (mdb_ctf_vread(ssn, SMBSRV_SCOPE "smb_session_t", 1215 "mdb_smb_session_t", ssnaddr, 0) < 0) { 1216 mdb_warn("failed to read smb_request at %p", ssnaddr); 1217 return (DCMD_ERR); 1218 } 1219 1220 #ifndef _KMDB 1221 if (outfile != NULL) { 1222 rc = smbsrv_pcap_open(outfile); 1223 if (rc != DCMD_OK) 1224 return (rc); 1225 dump_func = smbsrv_pcap_dump; 1226 } else 1227 #endif /* _KMDB */ 1228 { 1229 dump_func = smb_req_dump; 1230 } 1231 1232 if (sr->smb2_messageid != 0) 1233 msgid = sr->smb2_messageid; 1234 else 1235 msgid = sr->smb_mid; 1236 mdb_printf("Dumping request %-?p, Msg_ID 0x%llx\n", 1237 rqaddr, msgid); 1238 1239 if (opts & SMB_RDOPT_COMMAND) { 1240 /* 1241 * Dump the command, length=max_bytes 1242 * src=remote, dst=local 1243 */ 1244 rc = dump_func(&sr->command, sr->command.max_bytes, 1245 (smb_inaddr_t *)&ssn->ipaddr, ssn->s_remote_port, 1246 (smb_inaddr_t *)&ssn->local_ipaddr, ssn->s_local_port, 1247 sr->sr_time_submitted, B_FALSE); 1248 } 1249 1250 if ((opts & SMB_RDOPT_REPLY) != 0 && 1251 rc == DCMD_OK) { 1252 /* 1253 * Dump the reply, length=chain_offset 1254 * src=local, dst=remote 1255 */ 1256 rc = dump_func(&sr->reply, sr->reply.chain_offset, 1257 (smb_inaddr_t *)&ssn->local_ipaddr, ssn->s_local_port, 1258 (smb_inaddr_t *)&ssn->ipaddr, ssn->s_remote_port, 1259 sr->sr_time_start, B_TRUE); 1260 } 1261 1262 #ifndef _KMDB 1263 if (outfile != NULL) { 1264 smbsrv_pcap_close(); 1265 } 1266 #endif 1267 1268 return (DCMD_OK); 1269 } 1270 1271 struct req_dump_state { 1272 int32_t rem_len; 1273 }; 1274 1275 static int 1276 smb_req_dump(struct mbuf_chain *mbc, int32_t smb_len, 1277 smb_inaddr_t *src_ip, uint16_t src_port, 1278 smb_inaddr_t *dst_ip, uint16_t dst_port, 1279 hrtime_t rqtime, boolean_t is_reply) 1280 { 1281 char src_buf[INET6_ADDRSTRLEN]; 1282 char dst_buf[INET6_ADDRSTRLEN]; 1283 struct req_dump_state dump_state; 1284 _NOTE(ARGUNUSED(rqtime)); 1285 1286 if (smb_len < 4) 1287 return (DCMD_OK); 1288 if (mbc->chain == NULL) 1289 return (DCMD_ERR); 1290 1291 smb_inaddr_ntop(src_ip, src_buf, sizeof (src_buf)); 1292 smb_inaddr_ntop(dst_ip, dst_buf, sizeof (dst_buf)); 1293 1294 mdb_printf("%-8s SRC: %s/%u DST: %s/%u LEN: %u\n", 1295 (is_reply) ? "Reply:" : "Call:", 1296 src_buf, src_port, dst_buf, dst_port, smb_len); 1297 1298 /* 1299 * Calling "smb_mbuf_dump" with a wrapper function 1300 * so we can set its length arg, and decrement 1301 * req_dump_state.rem_len as it goes. 1302 */ 1303 dump_state.rem_len = smb_len; 1304 if (mdb_pwalk("smb_mbuf_walker", smb_req_dump_m, 1305 &dump_state, (uintptr_t)mbc->chain) == -1) { 1306 mdb_warn("cannot walk smb_req mbuf_chain"); 1307 return (DCMD_ERR); 1308 } 1309 return (DCMD_OK); 1310 } 1311 1312 static int 1313 smb_req_dump_m(uintptr_t m_addr, const void *data, void *arg) 1314 { 1315 struct req_dump_state *st = arg; 1316 const struct mbuf *m = data; 1317 mdb_arg_t argv; 1318 int cnt; 1319 1320 cnt = st->rem_len; 1321 if (cnt > m->m_len) 1322 cnt = m->m_len; 1323 if (cnt <= 0) 1324 return (WALK_DONE); 1325 1326 argv.a_type = MDB_TYPE_IMMEDIATE; 1327 argv.a_un.a_val = cnt; 1328 if (mdb_call_dcmd("smb_mbuf_dump", m_addr, 0, 1, &argv) < 0) { 1329 mdb_warn("%p::smb_mbuf_dump failed\n", m_addr); 1330 return (WALK_ERR); 1331 } 1332 1333 st->rem_len -= cnt; 1334 return (WALK_NEXT); 1335 } 1336 1337 /* 1338 * ***************************************************************************** 1339 * ****************************** smb_user_t *********************************** 1340 * ***************************************************************************** 1341 */ 1342 typedef struct mdb_smb_user { 1343 smb_user_state_t u_state; 1344 1345 struct smb_server *u_server; 1346 smb_session_t *u_session; 1347 1348 uint16_t u_name_len; 1349 char *u_name; 1350 uint16_t u_domain_len; 1351 char *u_domain; 1352 time_t u_logon_time; 1353 cred_t *u_cred; 1354 cred_t *u_privcred; 1355 1356 uint64_t u_ssnid; 1357 uint32_t u_refcnt; 1358 uint32_t u_flags; 1359 uint32_t u_privileges; 1360 uint16_t u_uid; 1361 } mdb_smb_user_t; 1362 1363 static const mdb_bitmask_t 1364 user_flag_bits[] = { 1365 { "ANON", 1366 SMB_USER_FLAG_ANON, 1367 SMB_USER_FLAG_ANON }, 1368 { "GUEST", 1369 SMB_USER_FLAG_GUEST, 1370 SMB_USER_FLAG_GUEST }, 1371 { "POWER_USER", 1372 SMB_USER_FLAG_POWER_USER, 1373 SMB_USER_FLAG_POWER_USER }, 1374 { "BACKUP_OP", 1375 SMB_USER_FLAG_BACKUP_OPERATOR, 1376 SMB_USER_FLAG_BACKUP_OPERATOR }, 1377 { "ADMIN", 1378 SMB_USER_FLAG_ADMIN, 1379 SMB_USER_FLAG_ADMIN }, 1380 { NULL, 0, 0 } 1381 }; 1382 1383 static const mdb_bitmask_t 1384 user_priv_bits[] = { 1385 /* 1386 * Old definitions of these bits, for when we're 1387 * looking at an older core file. These happen to 1388 * have no overlap with the current definitions. 1389 */ 1390 { "TAKE_OWNER", 1, 1 }, 1391 { "BACKUP", 2, 2 }, 1392 { "RESTORE", 4, 4 }, 1393 { "SECURITY", 8, 8 }, 1394 /* 1395 * Current definitions 1396 */ 1397 { "SECURITY", 1398 SMB_USER_PRIV_SECURITY, 1399 SMB_USER_PRIV_SECURITY }, 1400 { "TAKE_OWNER", 1401 SMB_USER_PRIV_TAKE_OWNERSHIP, 1402 SMB_USER_PRIV_TAKE_OWNERSHIP }, 1403 { "BACKUP", 1404 SMB_USER_PRIV_BACKUP, 1405 SMB_USER_PRIV_BACKUP }, 1406 { "RESTORE", 1407 SMB_USER_PRIV_RESTORE, 1408 SMB_USER_PRIV_RESTORE }, 1409 { "CHANGE_NOTIFY", 1410 SMB_USER_PRIV_CHANGE_NOTIFY, 1411 SMB_USER_PRIV_CHANGE_NOTIFY }, 1412 { NULL, 0, 0 } 1413 }; 1414 1415 static void 1416 smbuser_help(void) 1417 { 1418 mdb_printf( 1419 "Display the contents of smb_user_t, with optional filtering.\n\n"); 1420 (void) mdb_dec_indent(2); 1421 mdb_printf("%<b>OPTIONS%</b>\n"); 1422 (void) mdb_inc_indent(2); 1423 mdb_printf( 1424 "-v\tDisplay verbose smb_user information\n"); 1425 } 1426 1427 static int 1428 smbuser_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1429 { 1430 uint_t opts; 1431 1432 if (smb_dcmd_getopt(&opts, argc, argv)) 1433 return (DCMD_USAGE); 1434 1435 if (!(flags & DCMD_ADDRSPEC)) { 1436 opts |= SMB_OPT_USER; 1437 opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST); 1438 return (smb_obj_list("smb_user", opts, flags)); 1439 } 1440 1441 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_USER)) || 1442 !(opts & SMB_OPT_WALK)) { 1443 mdb_smb_user_t *user; 1444 char *account; 1445 1446 user = mdb_zalloc(sizeof (*user), UM_SLEEP | UM_GC); 1447 if (mdb_ctf_vread(user, SMBSRV_SCOPE "smb_user_t", 1448 "mdb_smb_user_t", addr, 0) < 0) { 1449 mdb_warn("failed to read smb_user at %p", addr); 1450 return (DCMD_ERR); 1451 } 1452 account = mdb_zalloc(user->u_domain_len + user->u_name_len + 2, 1453 UM_SLEEP | UM_GC); 1454 1455 if (user->u_domain_len) 1456 (void) mdb_vread(account, user->u_domain_len, 1457 (uintptr_t)user->u_domain); 1458 1459 strcat(account, "\\"); 1460 1461 if (user->u_name_len) 1462 (void) mdb_vread(account + strlen(account), 1463 user->u_name_len, (uintptr_t)user->u_name); 1464 1465 if (opts & SMB_OPT_VERBOSE) { 1466 char state[40]; 1467 1468 get_enum(state, sizeof (state), 1469 "smb_user_state_t", user->u_state, 1470 "SMB_USER_STATE_"); 1471 1472 mdb_printf("%<b>%<u>SMB user information (%p):" 1473 "%</u>%</b>\n", addr); 1474 mdb_printf("UID: %u\n", user->u_uid); 1475 mdb_printf("SSNID: %llx\n", user->u_ssnid); 1476 mdb_printf("State: %d (%s)\n", user->u_state, state); 1477 mdb_printf("Flags: 0x%08x <%b>\n", user->u_flags, 1478 user->u_flags, user_flag_bits); 1479 mdb_printf("Privileges: 0x%08x <%b>\n", 1480 user->u_privileges, 1481 user->u_privileges, user_priv_bits); 1482 mdb_printf("Credential: %p\n", user->u_cred); 1483 mdb_printf("Reference Count: %d\n", user->u_refcnt); 1484 mdb_printf("User Account: %s\n\n", account); 1485 } else { 1486 if (DCMD_HDRSPEC(flags)) 1487 mdb_printf( 1488 "%<b>%<u>%?-s " 1489 "%-5s " 1490 "%-16s " 1491 "%-32s%</u>%</b>\n", 1492 "USER", "UID", "SSNID", "ACCOUNT"); 1493 1494 mdb_printf("%-?p %-5u %-16llx %-32s\n", 1495 addr, user->u_uid, user->u_ssnid, account); 1496 } 1497 } 1498 return (DCMD_OK); 1499 } 1500 1501 /* 1502 * ***************************************************************************** 1503 * ****************************** smb_tree_t *********************************** 1504 * ***************************************************************************** 1505 */ 1506 1507 typedef struct mdb_smb_tree { 1508 smb_tree_state_t t_state; 1509 1510 smb_node_t *t_snode; 1511 smb_llist_t t_ofile_list; 1512 smb_llist_t t_odir_list; 1513 1514 uint32_t t_refcnt; 1515 uint32_t t_flags; 1516 int32_t t_res_type; 1517 uint16_t t_tid; 1518 uint16_t t_umask; 1519 char t_sharename[MAXNAMELEN]; 1520 char t_resource[MAXPATHLEN]; 1521 char t_typename[SMB_TYPENAMELEN]; 1522 char t_volume[SMB_VOLNAMELEN]; 1523 } mdb_smb_tree_t; 1524 1525 static int 1526 smb_tree_exp_off_ofile_list(void) 1527 { 1528 int tf_off, ll_off; 1529 1530 /* OFFSETOF(smb_tree_t, t_ofile_list.ll_list); */ 1531 GET_OFFSET(tf_off, smb_tree_t, t_ofile_list); 1532 GET_OFFSET(ll_off, smb_llist_t, ll_list); 1533 return (tf_off + ll_off); 1534 } 1535 1536 static int 1537 smb_tree_exp_off_odir_list(void) 1538 { 1539 int td_off, ll_off; 1540 1541 /* OFFSETOF(smb_tree_t, t_odir_list.ll_list); */ 1542 GET_OFFSET(td_off, smb_tree_t, t_odir_list); 1543 GET_OFFSET(ll_off, smb_llist_t, ll_list); 1544 return (td_off + ll_off); 1545 } 1546 1547 /* 1548 * List of objects that can be expanded under a tree structure. 1549 */ 1550 static const smb_exp_t smb_tree_exp[] = 1551 { 1552 { SMB_OPT_OFILE, 1553 smb_tree_exp_off_ofile_list, 1554 "smbofile", "smb_ofile"}, 1555 { SMB_OPT_ODIR, 1556 smb_tree_exp_off_odir_list, 1557 "smbodir", "smb_odir"}, 1558 { 0, 0, NULL, NULL} 1559 }; 1560 1561 static const mdb_bitmask_t 1562 tree_flag_bits[] = { 1563 { "RO", 1564 SMB_TREE_READONLY, 1565 SMB_TREE_READONLY }, 1566 { "ACLS", 1567 SMB_TREE_SUPPORTS_ACLS, 1568 SMB_TREE_SUPPORTS_ACLS }, 1569 { "STREAMS", 1570 SMB_TREE_STREAMS, 1571 SMB_TREE_STREAMS }, 1572 { "CI", 1573 SMB_TREE_CASEINSENSITIVE, 1574 SMB_TREE_CASEINSENSITIVE }, 1575 { "NO_CS", 1576 SMB_TREE_NO_CASESENSITIVE, 1577 SMB_TREE_NO_CASESENSITIVE }, 1578 { "NO_EXPORT", 1579 SMB_TREE_NO_EXPORT, 1580 SMB_TREE_NO_EXPORT }, 1581 { "OPLOCKS", 1582 SMB_TREE_OPLOCKS, 1583 SMB_TREE_OPLOCKS }, 1584 { "SHORTNAMES", 1585 SMB_TREE_SHORTNAMES, 1586 SMB_TREE_SHORTNAMES }, 1587 { "XVATTR", 1588 SMB_TREE_XVATTR, 1589 SMB_TREE_XVATTR }, 1590 { "DIRENTFLAGS", 1591 SMB_TREE_DIRENTFLAGS, 1592 SMB_TREE_DIRENTFLAGS }, 1593 { "ACL_CR", 1594 SMB_TREE_ACLONCREATE, 1595 SMB_TREE_ACLONCREATE }, 1596 { "ACEMASK", 1597 SMB_TREE_ACEMASKONACCESS, 1598 SMB_TREE_ACEMASKONACCESS }, 1599 { "NFS_MNT", 1600 SMB_TREE_NFS_MOUNTED, 1601 SMB_TREE_NFS_MOUNTED }, 1602 { "UNICODE", 1603 SMB_TREE_UNICODE_ON_DISK, 1604 SMB_TREE_UNICODE_ON_DISK }, 1605 { "CATIA", 1606 SMB_TREE_CATIA, 1607 SMB_TREE_CATIA }, 1608 { "ABE", 1609 SMB_TREE_ABE, 1610 SMB_TREE_ABE }, 1611 { "QUOTA", 1612 SMB_TREE_QUOTA, 1613 SMB_TREE_QUOTA }, 1614 { "DFSROOT", 1615 SMB_TREE_DFSROOT, 1616 SMB_TREE_DFSROOT }, 1617 { "SPARSE", 1618 SMB_TREE_SPARSE, 1619 SMB_TREE_SPARSE }, 1620 { "XMOUNTS", 1621 SMB_TREE_TRAVERSE_MOUNTS, 1622 SMB_TREE_TRAVERSE_MOUNTS }, 1623 { "FORCE_L2_OPLOCK", 1624 SMB_TREE_FORCE_L2_OPLOCK, 1625 SMB_TREE_FORCE_L2_OPLOCK }, 1626 { "CA", 1627 SMB_TREE_CA, 1628 SMB_TREE_CA }, 1629 { NULL, 0, 0 } 1630 }; 1631 1632 static void 1633 smbtree_help(void) 1634 { 1635 mdb_printf( 1636 "Display the contents of smb_tree_t, with optional filtering.\n\n"); 1637 (void) mdb_dec_indent(2); 1638 mdb_printf("%<b>OPTIONS%</b>\n"); 1639 (void) mdb_inc_indent(2); 1640 mdb_printf( 1641 "-v\tDisplay verbose smb_tree information\n" 1642 "-d\tDisplay the list of smb_odirs attached\n" 1643 "-f\tDisplay the list of smb_ofiles attached\n"); 1644 } 1645 1646 static int 1647 smbtree_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1648 { 1649 uint_t opts; 1650 ulong_t indent = 0; 1651 1652 if (smb_dcmd_getopt(&opts, argc, argv)) 1653 return (DCMD_USAGE); 1654 1655 if (!(flags & DCMD_ADDRSPEC)) { 1656 opts |= SMB_OPT_TREE; 1657 opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST | 1658 SMB_OPT_USER); 1659 return (smb_obj_list("smb_tree", opts, flags)); 1660 } 1661 1662 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_TREE)) || 1663 !(opts & SMB_OPT_WALK)) { 1664 mdb_smb_tree_t *tree; 1665 1666 indent = SMB_DCMD_INDENT; 1667 1668 tree = mdb_zalloc(sizeof (*tree), UM_SLEEP | UM_GC); 1669 if (mdb_ctf_vread(tree, SMBSRV_SCOPE "smb_tree_t", 1670 "mdb_smb_tree_t", addr, 0) < 0) { 1671 mdb_warn("failed to read smb_tree at %p", addr); 1672 return (DCMD_ERR); 1673 } 1674 if (opts & SMB_OPT_VERBOSE) { 1675 char state[40]; 1676 1677 get_enum(state, sizeof (state), 1678 "smb_tree_state_t", tree->t_state, 1679 "SMB_TREE_STATE_"); 1680 1681 mdb_printf("%<b>%<u>SMB tree information (%p):" 1682 "%</u>%</b>\n\n", addr); 1683 mdb_printf("TID: %04x\n", tree->t_tid); 1684 mdb_printf("State: %d (%s)\n", tree->t_state, state); 1685 mdb_printf("Share: %s\n", tree->t_sharename); 1686 mdb_printf("Resource: %s\n", tree->t_resource); 1687 mdb_printf("Type: %s\n", tree->t_typename); 1688 mdb_printf("Volume: %s\n", tree->t_volume); 1689 mdb_printf("Umask: %04x\n", tree->t_umask); 1690 mdb_printf("Flags: %08x <%b>\n", tree->t_flags, 1691 tree->t_flags, tree_flag_bits); 1692 mdb_printf("SMB Node: %llx\n", tree->t_snode); 1693 mdb_printf("Reference Count: %d\n\n", tree->t_refcnt); 1694 } else { 1695 if (DCMD_HDRSPEC(flags)) 1696 mdb_printf( 1697 "%<b>%<u>%-?s %-5s %-16s %-32s%</u>%</b>\n", 1698 "TREE", "TID", "SHARE NAME", "RESOURCE"); 1699 1700 mdb_printf("%-?p %-5u %-16s %-32s\n", addr, 1701 tree->t_tid, tree->t_sharename, tree->t_resource); 1702 } 1703 } 1704 if (smb_obj_expand(addr, opts, smb_tree_exp, indent)) 1705 return (DCMD_ERR); 1706 return (DCMD_OK); 1707 } 1708 1709 /* 1710 * ***************************************************************************** 1711 * ****************************** smb_odir_t *********************************** 1712 * ***************************************************************************** 1713 */ 1714 1715 typedef struct mdb_smb_odir { 1716 smb_odir_state_t d_state; 1717 smb_session_t *d_session; 1718 smb_user_t *d_user; 1719 smb_tree_t *d_tree; 1720 smb_node_t *d_dnode; 1721 uint16_t d_odid; 1722 uint32_t d_refcnt; 1723 char d_pattern[MAXNAMELEN]; 1724 } mdb_smb_odir_t; 1725 1726 static int 1727 smbodir_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1728 { 1729 uint_t opts; 1730 1731 if (smb_dcmd_getopt(&opts, argc, argv)) 1732 return (DCMD_USAGE); 1733 1734 if (!(flags & DCMD_ADDRSPEC)) { 1735 opts |= SMB_OPT_ODIR; 1736 opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST | 1737 SMB_OPT_USER | SMB_OPT_TREE | SMB_OPT_OFILE); 1738 return (smb_obj_list("smb_odir", opts, flags)); 1739 } 1740 1741 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_ODIR)) || 1742 !(opts & SMB_OPT_WALK)) { 1743 mdb_smb_odir_t *od; 1744 1745 od = mdb_zalloc(sizeof (*od), UM_SLEEP | UM_GC); 1746 if (mdb_ctf_vread(od, SMBSRV_SCOPE "smb_odir_t", 1747 "mdb_smb_odir_t", addr, 0) < 0) { 1748 mdb_warn("failed to read smb_odir at %p", addr); 1749 return (DCMD_ERR); 1750 } 1751 if (opts & SMB_OPT_VERBOSE) { 1752 char state[40]; 1753 1754 get_enum(state, sizeof (state), 1755 "smb_odir_state_t", od->d_state, 1756 "SMB_ODIR_STATE_"); 1757 1758 mdb_printf( 1759 "%<b>%<u>SMB odir information (%p):%</u>%</b>\n\n", 1760 addr); 1761 mdb_printf("State: %d (%s)\n", od->d_state, state); 1762 mdb_printf("SID: %u\n", od->d_odid); 1763 mdb_printf("User: %p\n", od->d_user); 1764 mdb_printf("Tree: %p\n", od->d_tree); 1765 mdb_printf("Reference Count: %d\n", od->d_refcnt); 1766 mdb_printf("Pattern: %s\n", od->d_pattern); 1767 mdb_printf("SMB Node: %p\n\n", od->d_dnode); 1768 } else { 1769 if (DCMD_HDRSPEC(flags)) 1770 mdb_printf( 1771 "%<b>%<u>%-?s " 1772 "%-5s " 1773 "%-?s " 1774 "%-16s%</u>%</b>\n", 1775 "ODIR", "SID", "VNODE", "PATTERN"); 1776 1777 mdb_printf("%?p %-5u %-16p %s\n", 1778 addr, od->d_odid, od->d_dnode, od->d_pattern); 1779 } 1780 } 1781 return (DCMD_OK); 1782 } 1783 1784 /* 1785 * ***************************************************************************** 1786 * ****************************** smb_ofile_t ********************************** 1787 * ***************************************************************************** 1788 */ 1789 1790 typedef struct mdb_smb_ofile { 1791 smb_ofile_state_t f_state; 1792 1793 struct smb_server *f_server; 1794 smb_session_t *f_session; 1795 smb_user_t *f_user; 1796 smb_tree_t *f_tree; 1797 smb_node_t *f_node; 1798 smb_odir_t *f_odir; 1799 smb_opipe_t *f_pipe; 1800 1801 uint32_t f_uniqid; 1802 uint32_t f_refcnt; 1803 uint32_t f_flags; 1804 uint32_t f_granted_access; 1805 uint32_t f_share_access; 1806 1807 uint16_t f_fid; 1808 uint16_t f_ftype; 1809 uint64_t f_llf_pos; 1810 int f_mode; 1811 cred_t *f_cr; 1812 pid_t f_pid; 1813 uintptr_t f_lease; 1814 smb_dh_vers_t dh_vers; 1815 } mdb_smb_ofile_t; 1816 1817 static const mdb_bitmask_t 1818 ofile_flag_bits[] = { 1819 { "RO", 1, 1 }, /* old SMB_OFLAGS_READONLY */ 1820 { "EXEC", 1821 SMB_OFLAGS_EXECONLY, 1822 SMB_OFLAGS_EXECONLY }, 1823 { "DELETE", 1824 SMB_OFLAGS_SET_DELETE_ON_CLOSE, 1825 SMB_OFLAGS_SET_DELETE_ON_CLOSE }, 1826 { "POS_VALID", 1827 SMB_OFLAGS_LLF_POS_VALID, 1828 SMB_OFLAGS_LLF_POS_VALID }, 1829 { NULL, 0, 0} 1830 }; 1831 1832 static const mdb_bitmask_t 1833 smb_sharemode_bits[] = { 1834 { "READ", 1835 FILE_SHARE_READ, 1836 FILE_SHARE_READ }, 1837 { "WRITE", 1838 FILE_SHARE_WRITE, 1839 FILE_SHARE_WRITE }, 1840 { "DELETE", 1841 FILE_SHARE_DELETE, 1842 FILE_SHARE_DELETE }, 1843 { NULL, 0, 0} 1844 }; 1845 1846 static int 1847 smbofile_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1848 { 1849 uint_t opts; 1850 1851 if (smb_dcmd_getopt(&opts, argc, argv)) 1852 return (DCMD_USAGE); 1853 1854 if (!(flags & DCMD_ADDRSPEC)) { 1855 opts |= SMB_OPT_OFILE; 1856 opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST | 1857 SMB_OPT_USER | SMB_OPT_TREE | SMB_OPT_ODIR); 1858 return (smb_obj_list("smb_ofile", opts, flags)); 1859 } 1860 1861 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_OFILE)) || 1862 !(opts & SMB_OPT_WALK)) { 1863 mdb_smb_ofile_t *of; 1864 1865 of = mdb_zalloc(sizeof (*of), UM_SLEEP | UM_GC); 1866 if (mdb_ctf_vread(of, SMBSRV_SCOPE "smb_ofile_t", 1867 "mdb_smb_ofile_t", addr, 0) < 0) { 1868 mdb_warn("failed to read smb_ofile at %p", addr); 1869 return (DCMD_ERR); 1870 } 1871 if (opts & SMB_OPT_VERBOSE) { 1872 char state[40]; 1873 char durable[40]; 1874 1875 get_enum(state, sizeof (state), 1876 "smb_ofile_state_t", of->f_state, 1877 "SMB_OFILE_STATE_"); 1878 1879 get_enum(durable, sizeof (durable), 1880 "smb_dh_vers_t", of->dh_vers, 1881 "SMB2_"); 1882 1883 mdb_printf( 1884 "%<b>%<u>SMB ofile information (%p):%</u>%</b>\n\n", 1885 addr); 1886 mdb_printf("FID: %u\n", of->f_fid); 1887 mdb_printf("State: %d (%s)\n", of->f_state, state); 1888 mdb_printf("DH Type: %d (%s)\n", of->dh_vers, 1889 durable); 1890 mdb_printf("Lease: %p\n", of->f_lease); 1891 mdb_printf("SMB Node: %p\n", of->f_node); 1892 mdb_printf("LLF Offset: 0x%llx (%s)\n", 1893 of->f_llf_pos, 1894 ((of->f_flags & SMB_OFLAGS_LLF_POS_VALID) ? 1895 "Valid" : "Invalid")); 1896 mdb_printf("Flags: 0x%08x <%b>\n", of->f_flags, 1897 of->f_flags, ofile_flag_bits); 1898 mdb_printf("Granted Acc.: 0x%08x <%b>\n", 1899 of->f_granted_access, 1900 of->f_granted_access, nt_access_bits); 1901 mdb_printf("Share Mode: 0x%08x <%b>\n", 1902 of->f_share_access, 1903 of->f_share_access, smb_sharemode_bits); 1904 mdb_printf("User: %p\n", of->f_user); 1905 mdb_printf("Tree: %p\n", of->f_tree); 1906 mdb_printf("Credential: %p\n\n", of->f_cr); 1907 } else { 1908 if (DCMD_HDRSPEC(flags)) 1909 mdb_printf( 1910 "%<b>%<u>%-?s " 1911 "%-5s " 1912 "%-?s " 1913 "%-?s " 1914 "%-?s " 1915 "%</u>%</b>\n", 1916 "OFILE", 1917 "FID", 1918 "NODE", 1919 "CRED", 1920 "LEASE"); 1921 1922 mdb_printf("%?p %-5u %-p %-p %-p\n", addr, 1923 of->f_fid, of->f_node, of->f_cr, of->f_lease); 1924 } 1925 } 1926 return (DCMD_OK); 1927 } 1928 1929 static int 1930 smbdurable_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1931 { 1932 mdb_smb_server_t *sv; 1933 1934 if (!(flags & DCMD_ADDRSPEC)) { 1935 mdb_printf("require address of an smb_server_t\n"); 1936 return (WALK_ERR); 1937 } 1938 1939 sv = mdb_zalloc(sizeof (*sv), UM_SLEEP | UM_GC); 1940 if (mdb_ctf_vread(sv, SMBSRV_SCOPE "smb_server_t", 1941 "mdb_smb_server_t", addr, 0) < 0) { 1942 mdb_warn("failed to read smb_server at %p", addr); 1943 return (DCMD_ERR); 1944 } 1945 1946 if (mdb_pwalk_dcmd("smb_hash_walker", "smbofile", 1947 argc, argv, (uintptr_t)sv->sv_persistid_ht) == -1) { 1948 mdb_warn("failed to walk 'smb_ofile'"); 1949 return (DCMD_ERR); 1950 } 1951 return (DCMD_OK); 1952 } 1953 1954 static int 1955 smb_hash_walk_init(mdb_walk_state_t *wsp) 1956 { 1957 smb_hash_t hash; 1958 int ll_off, sll_off, i; 1959 uintptr_t addr = wsp->walk_addr; 1960 1961 if (addr == 0) { 1962 mdb_printf("require address of an smb_hash_t\n"); 1963 return (WALK_ERR); 1964 } 1965 1966 GET_OFFSET(sll_off, smb_bucket_t, b_list); 1967 GET_OFFSET(ll_off, smb_llist_t, ll_list); 1968 1969 if (mdb_vread(&hash, sizeof (hash), addr) == -1) { 1970 mdb_warn("failed to read smb_hash_t at %p", addr); 1971 return (WALK_ERR); 1972 } 1973 1974 for (i = 0; i < hash.num_buckets; i++) { 1975 wsp->walk_addr = (uintptr_t)hash.buckets + 1976 (i * sizeof (smb_bucket_t)) + sll_off + ll_off; 1977 if (mdb_layered_walk("list", wsp) == -1) { 1978 mdb_warn("failed to walk 'list'"); 1979 return (WALK_ERR); 1980 } 1981 } 1982 1983 return (WALK_NEXT); 1984 } 1985 1986 static int 1987 smb_hash_walk_step(mdb_walk_state_t *wsp) 1988 { 1989 return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer, 1990 wsp->walk_cbdata)); 1991 } 1992 1993 static int 1994 smbhashstat_cb(uintptr_t addr, const void *data, void *varg) 1995 { 1996 _NOTE(ARGUNUSED(varg)) 1997 const smb_bucket_t *bucket = data; 1998 1999 mdb_printf("%-?p ", addr); /* smb_bucket_t */ 2000 mdb_printf("%-6u ", bucket->b_list.ll_count); 2001 mdb_printf("%-16u", bucket->b_max_seen); 2002 mdb_printf("%-u\n", (bucket->b_list.ll_wrop + 2003 bucket->b_list.ll_count) / 2); 2004 return (WALK_NEXT); 2005 } 2006 2007 static int 2008 smbhashstat_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2009 { 2010 _NOTE(ARGUNUSED(argc, argv)) 2011 if (!(flags & DCMD_ADDRSPEC)) { 2012 mdb_printf("require address of an smb_hash_t\n"); 2013 return (DCMD_USAGE); 2014 } 2015 2016 if (DCMD_HDRSPEC(flags)) { 2017 mdb_printf( 2018 "%<b>%<u>" 2019 "%-?s " 2020 "%-6s " 2021 "%-16s" 2022 "%-s" 2023 "%</u>%</b>\n", 2024 "smb_bucket_t", "count", "largest seen", "inserts"); 2025 } 2026 2027 if (mdb_pwalk("smb_hashstat_walker", smbhashstat_cb, 2028 NULL, addr) == -1) { 2029 mdb_warn("failed to walk 'smb_ofile'"); 2030 return (DCMD_ERR); 2031 } 2032 return (DCMD_OK); 2033 } 2034 2035 typedef struct smb_hash_wd { 2036 smb_bucket_t *bucket; 2037 smb_bucket_t *end; 2038 } smb_hash_wd_t; 2039 2040 static int 2041 smb_hashstat_walk_init(mdb_walk_state_t *wsp) 2042 { 2043 int sll_off, ll_off; 2044 smb_hash_t hash; 2045 smb_bucket_t *buckets; 2046 uintptr_t addr = wsp->walk_addr; 2047 uint32_t arr_sz; 2048 smb_hash_wd_t *wd; 2049 2050 if (addr == 0) { 2051 mdb_printf("require address of an smb_hash_t\n"); 2052 return (WALK_ERR); 2053 } 2054 2055 GET_OFFSET(sll_off, smb_bucket_t, b_list); 2056 GET_OFFSET(ll_off, smb_llist_t, ll_list); 2057 2058 if (mdb_vread(&hash, sizeof (hash), addr) == -1) { 2059 mdb_warn("failed to read smb_hash_t at %p", addr); 2060 return (WALK_ERR); 2061 } 2062 2063 arr_sz = hash.num_buckets * sizeof (smb_bucket_t); 2064 buckets = mdb_alloc(arr_sz, UM_SLEEP | UM_GC); 2065 if (mdb_vread(buckets, arr_sz, (uintptr_t)hash.buckets) == -1) { 2066 mdb_warn("failed to read smb_bucket_t array at %p", 2067 hash.buckets); 2068 return (WALK_ERR); 2069 } 2070 2071 wd = mdb_alloc(sizeof (*wd), UM_SLEEP | UM_GC); 2072 wd->bucket = buckets; 2073 wd->end = buckets + hash.num_buckets; 2074 2075 wsp->walk_addr = (uintptr_t)hash.buckets; 2076 wsp->walk_data = wd; 2077 2078 return (WALK_NEXT); 2079 } 2080 2081 static int 2082 smb_hashstat_walk_step(mdb_walk_state_t *wsp) 2083 { 2084 int rc; 2085 smb_hash_wd_t *wd = wsp->walk_data; 2086 2087 if (wd->bucket >= wd->end) 2088 return (WALK_DONE); 2089 2090 rc = wsp->walk_callback(wsp->walk_addr, wd->bucket++, 2091 wsp->walk_cbdata); 2092 2093 wsp->walk_addr += sizeof (smb_bucket_t); 2094 return (rc); 2095 } 2096 2097 /* 2098 * smbsrv_leases 2099 */ 2100 static int 2101 smbsrv_leases_dcmd(uintptr_t addr, uint_t flags, int argc, 2102 const mdb_arg_t *argv) 2103 { 2104 uint_t opts; 2105 int ht_off; 2106 uintptr_t ht_addr; 2107 2108 if (smb_dcmd_getopt(&opts, argc, argv)) 2109 return (DCMD_USAGE); 2110 2111 if (!(flags & DCMD_ADDRSPEC)) { 2112 mdb_printf("require address of an smb_server_t\n"); 2113 return (DCMD_USAGE); 2114 } 2115 2116 ht_off = mdb_ctf_offsetof_by_name("smb_server_t", "sv_lease_ht"); 2117 if (ht_off < 0) { 2118 mdb_warn("No .sv_lease_ht in server (old kernel?)"); 2119 return (DCMD_ERR); 2120 } 2121 addr += ht_off; 2122 2123 if (mdb_vread(&ht_addr, sizeof (ht_addr), addr) <= 0) { 2124 mdb_warn("failed to read server .sv_lease_ht"); 2125 return (DCMD_ERR); 2126 } 2127 2128 if (mdb_pwalk_dcmd("smb_hash_walker", "smblease", 2129 argc, argv, ht_addr) == -1) { 2130 mdb_warn("failed to walk 'smb_lease'"); 2131 return (DCMD_ERR); 2132 } 2133 return (DCMD_OK); 2134 } 2135 2136 typedef struct mdb_smb_lease { 2137 struct smb_node *ls_node; 2138 uint32_t ls_refcnt; 2139 uint16_t ls_epoch; 2140 uint8_t ls_key[SMB_LEASE_KEY_SZ]; 2141 } mdb_smb_lease_t; 2142 2143 static int 2144 smblease_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2145 { 2146 mdb_smb_lease_t *ls; 2147 uint_t opts; 2148 int i; 2149 2150 if (smb_dcmd_getopt(&opts, argc, argv)) 2151 return (DCMD_USAGE); 2152 2153 if (!(flags & DCMD_ADDRSPEC)) { 2154 mdb_printf("require address of an smb_lease_t\n"); 2155 return (DCMD_USAGE); 2156 } 2157 2158 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_OFILE)) || 2159 !(opts & SMB_OPT_WALK)) { 2160 2161 ls = mdb_zalloc(sizeof (*ls), UM_SLEEP | UM_GC); 2162 if (mdb_ctf_vread(ls, SMBSRV_SCOPE "smb_lease_t", 2163 "mdb_smb_lease_t", addr, 0) < 0) { 2164 mdb_warn("failed to read smb_lease_t at %p", addr); 2165 return (DCMD_ERR); 2166 } 2167 if (opts & SMB_OPT_VERBOSE) { 2168 2169 mdb_printf( 2170 "%<b>%<u>SMB lease (%p):%</u>%</b>\n\n", addr); 2171 2172 mdb_printf("SMB Node: %p\n", ls->ls_node); 2173 mdb_printf("Refcount: %u\n", ls->ls_refcnt); 2174 mdb_printf("Epoch: %u\n", ls->ls_epoch); 2175 2176 mdb_printf("Key: ["); 2177 for (i = 0; i < SMB_LEASE_KEY_SZ; i++) { 2178 mdb_printf(" %02x", ls->ls_key[i] & 0xFF); 2179 if ((i & 3) == 3) 2180 mdb_printf(" "); 2181 } 2182 mdb_printf(" ]\n"); 2183 } else { 2184 if (DCMD_HDRSPEC(flags)) 2185 mdb_printf( 2186 "%<b>%<u>" 2187 "%-?s " 2188 "%-?s " 2189 "%-?s%</u>%</b>\n", 2190 "LEASE", "SMB NODE", "KEY"); 2191 2192 mdb_printf("%?p %-p [", addr, ls->ls_node); 2193 for (i = 0; i < 8; i++) { 2194 mdb_printf(" %02x", ls->ls_key[i] & 0xFF); 2195 } 2196 mdb_printf(" ...]\n"); 2197 } 2198 } 2199 2200 return (DCMD_OK); 2201 } 2202 2203 /* 2204 * ***************************************************************************** 2205 * ******************************** smb_kshare_t ******************************* 2206 * ***************************************************************************** 2207 */ 2208 2209 struct smb_kshare_cb_args { 2210 uint_t opts; 2211 char name[MAXNAMELEN]; 2212 char path[MAXPATHLEN]; 2213 }; 2214 2215 static int 2216 smb_kshare_cb(uintptr_t addr, const void *data, void *varg) 2217 { 2218 struct smb_kshare_cb_args *args = varg; 2219 const smb_kshare_t *shr = data; 2220 2221 if (args->opts & SMB_OPT_VERBOSE) { 2222 mdb_arg_t argv; 2223 2224 argv.a_type = MDB_TYPE_STRING; 2225 argv.a_un.a_str = "smb_kshare_t"; 2226 /* Don't fail the walk if this fails. */ 2227 mdb_printf("%-?p ", addr); 2228 mdb_call_dcmd("print", addr, 0, 1, &argv); 2229 return (WALK_NEXT); 2230 } 2231 2232 /* 2233 * Summary line for an smb_kshare_t 2234 * Don't fail the walk if any of these fail. 2235 * 2236 * Get the shr_name and shr_path strings. 2237 */ 2238 if (mdb_readstr(args->name, sizeof (args->name), 2239 (uintptr_t)shr->shr_name) <= 0) 2240 strcpy(args->name, "?"); 2241 2242 if (mdb_readstr(args->path, sizeof (args->path), 2243 (uintptr_t)shr->shr_path) <= 0) 2244 strcpy(args->path, "?"); 2245 2246 mdb_printf("%-?p ", addr); /* smb_kshare_t */ 2247 mdb_printf("%-16s ", args->name); 2248 mdb_printf("%-s\n", args->path); 2249 2250 return (WALK_NEXT); 2251 } 2252 2253 /* 2254 * ::smbshare 2255 * 2256 * smbshare dcmd - Print out smb_kshare structures. 2257 * requires addr of an smb_server_t 2258 */ 2259 /*ARGSUSED*/ 2260 static int 2261 smbshare_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2262 { 2263 struct smb_kshare_cb_args *args; 2264 2265 args = mdb_zalloc(sizeof (*args), UM_SLEEP | UM_GC); 2266 if (mdb_getopts(argc, argv, 2267 'v', MDB_OPT_SETBITS, SMB_OPT_VERBOSE, &args->opts, 2268 NULL) != argc) 2269 return (DCMD_USAGE); 2270 2271 if (!(flags & DCMD_ADDRSPEC)) 2272 return (DCMD_USAGE); 2273 2274 if (DCMD_HDRSPEC(flags)) { 2275 if ((args->opts & SMB_OPT_VERBOSE) != 0) { 2276 mdb_printf("%<b>%<u>SMB kshares list:%</u>%</b>\n"); 2277 } else { 2278 mdb_printf( 2279 "%<b>%<u>" 2280 "%-?s " 2281 "%-16s " 2282 "%-s" 2283 "%</u>%</b>\n", 2284 "smb_kshare_t", "name", "path"); 2285 } 2286 } 2287 2288 if (mdb_pwalk("smbshare_walker", smb_kshare_cb, args, addr) == -1) { 2289 mdb_warn("cannot walk smb_kshare avl"); 2290 return (DCMD_ERR); 2291 } 2292 2293 return (DCMD_OK); 2294 } 2295 2296 /* 2297 * Initialize the smb_kshare_t walker to point to the smb_export 2298 * in the specified smb_server_t instance. (no global walks) 2299 */ 2300 static int 2301 smb_kshare_walk_init(mdb_walk_state_t *wsp) 2302 { 2303 int sv_exp_off, ex_sha_off, avl_tr_off; 2304 2305 if (wsp->walk_addr == 0) { 2306 mdb_printf("require address of an smb_server_t\n"); 2307 return (WALK_ERR); 2308 } 2309 2310 /* 2311 * Using CTF to get the equivalent of: 2312 * OFFSETOF(smb_server_t, sv_export.e_share_avl.avl_tree); 2313 */ 2314 GET_OFFSET(sv_exp_off, smb_server_t, sv_export); 2315 GET_OFFSET(ex_sha_off, smb_export_t, e_share_avl); 2316 GET_OFFSET(avl_tr_off, smb_avl_t, avl_tree); 2317 wsp->walk_addr += (sv_exp_off + ex_sha_off + avl_tr_off); 2318 2319 if (mdb_layered_walk("avl", wsp) == -1) { 2320 mdb_warn("failed to walk list of smb_kshare_t"); 2321 return (WALK_ERR); 2322 } 2323 2324 return (WALK_NEXT); 2325 } 2326 2327 static int 2328 smb_kshare_walk_step(mdb_walk_state_t *wsp) 2329 { 2330 return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer, 2331 wsp->walk_cbdata)); 2332 } 2333 2334 /* 2335 * ***************************************************************************** 2336 * ******************************** smb_vfs_t ********************************** 2337 * ***************************************************************************** 2338 */ 2339 2340 typedef struct mdb_smb_vfs { 2341 list_node_t sv_lnd; 2342 uint32_t sv_magic; 2343 uint32_t sv_refcnt; 2344 vfs_t *sv_vfsp; 2345 vnode_t *sv_rootvp; 2346 } mdb_smb_vfs_t; 2347 2348 struct smb_vfs_cb_args { 2349 uint_t opts; 2350 vnode_t vn; 2351 char path[MAXPATHLEN]; 2352 }; 2353 2354 /*ARGSUSED*/ 2355 static int 2356 smb_vfs_cb(uintptr_t addr, const void *data, void *varg) 2357 { 2358 struct smb_vfs_cb_args *args = varg; 2359 mdb_smb_vfs_t sf; 2360 2361 if (args->opts & SMB_OPT_VERBOSE) { 2362 mdb_arg_t argv; 2363 2364 argv.a_type = MDB_TYPE_STRING; 2365 argv.a_un.a_str = "smb_vfs_t"; 2366 /* Don't fail the walk if this fails. */ 2367 mdb_printf("%-?p ", addr); 2368 mdb_call_dcmd("print", addr, 0, 1, &argv); 2369 return (WALK_NEXT); 2370 } 2371 2372 /* 2373 * Summary line for an smb_vfs_t 2374 * Don't fail the walk if any of these fail. 2375 * 2376 * Get the vnode v_path string if we can. 2377 */ 2378 if (mdb_ctf_vread(&sf, SMBSRV_SCOPE "smb_vfs_t", 2379 "mdb_smb_vfs_t", addr, 0) < 0) { 2380 mdb_warn("failed to read struct smb_vfs at %p", addr); 2381 return (DCMD_ERR); 2382 } 2383 strcpy(args->path, "?"); 2384 if (mdb_vread(&args->vn, sizeof (args->vn), 2385 (uintptr_t)sf.sv_rootvp) == sizeof (args->vn)) 2386 (void) mdb_readstr(args->path, sizeof (args->path), 2387 (uintptr_t)args->vn.v_path); 2388 2389 mdb_printf("%-?p ", addr); 2390 mdb_printf("%-10d ", sf.sv_refcnt); 2391 mdb_printf("%-?p ", sf.sv_vfsp); 2392 mdb_printf("%-?p ", sf.sv_rootvp); 2393 mdb_printf("%-s\n", args->path); 2394 2395 return (WALK_NEXT); 2396 } 2397 2398 /* 2399 * ::smbvfs 2400 * 2401 * smbvfs dcmd - Prints out smb_vfs structures. 2402 * requires addr of an smb_server_t 2403 */ 2404 /*ARGSUSED*/ 2405 static int 2406 smbvfs_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2407 { 2408 struct smb_vfs_cb_args *args; 2409 2410 args = mdb_zalloc(sizeof (*args), UM_SLEEP | UM_GC); 2411 if (mdb_getopts(argc, argv, 2412 'v', MDB_OPT_SETBITS, SMB_OPT_VERBOSE, &args->opts, 2413 NULL) != argc) 2414 return (DCMD_USAGE); 2415 2416 if (!(flags & DCMD_ADDRSPEC)) 2417 return (DCMD_USAGE); 2418 2419 if (DCMD_HDRSPEC(flags)) { 2420 if ((args->opts & SMB_OPT_VERBOSE) != 0) { 2421 mdb_printf("%<b>%<u>SMB VFS list:%</u>%</b>\n"); 2422 } else { 2423 mdb_printf( 2424 "%<b>%<u>" 2425 "%-?s " 2426 "%-10s " 2427 "%-16s " 2428 "%-16s" 2429 "%-s" 2430 "%</u>%</b>\n", 2431 "SMB_VFS", "REFCNT", "VFS", "VNODE", "ROOT"); 2432 } 2433 } 2434 2435 if (mdb_pwalk("smbvfs_walker", smb_vfs_cb, args, addr) == -1) { 2436 mdb_warn("cannot walk smb_vfs list"); 2437 return (DCMD_ERR); 2438 } 2439 2440 return (DCMD_OK); 2441 } 2442 2443 /* 2444 * Initialize the smb_vfs_t walker to point to the smb_export 2445 * in the specified smb_server_t instance. (no global walks) 2446 */ 2447 static int 2448 smb_vfs_walk_init(mdb_walk_state_t *wsp) 2449 { 2450 int sv_exp_off, ex_vfs_off, ll_off; 2451 2452 if (wsp->walk_addr == 0) { 2453 mdb_printf("require address of an smb_server_t\n"); 2454 return (WALK_ERR); 2455 } 2456 2457 /* 2458 * Using CTF to get the equivalent of: 2459 * OFFSETOF(smb_server_t, sv_export.e_vfs_list.ll_list); 2460 */ 2461 GET_OFFSET(sv_exp_off, smb_server_t, sv_export); 2462 /* GET_OFFSET(ex_vfs_off, smb_export_t, e_vfs_list); */ 2463 ex_vfs_off = mdb_ctf_offsetof_by_name("smb_export_t", "e_vfs_list"); 2464 if (ex_vfs_off < 0) { 2465 mdb_warn("cannot lookup: smb_export_t .e_vfs_list"); 2466 return (WALK_ERR); 2467 } 2468 GET_OFFSET(ll_off, smb_llist_t, ll_list); 2469 wsp->walk_addr += (sv_exp_off + ex_vfs_off + ll_off); 2470 2471 if (mdb_layered_walk("list", wsp) == -1) { 2472 mdb_warn("failed to walk list of smb_vfs_t"); 2473 return (WALK_ERR); 2474 } 2475 2476 return (WALK_NEXT); 2477 } 2478 2479 static int 2480 smb_vfs_walk_step(mdb_walk_state_t *wsp) 2481 { 2482 return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer, 2483 wsp->walk_cbdata)); 2484 } 2485 2486 /* 2487 * ***************************************************************************** 2488 * ******************************* smb_node_t ********************************** 2489 * ***************************************************************************** 2490 */ 2491 2492 typedef struct mdb_smb_node { 2493 smb_node_state_t n_state; 2494 uint32_t n_refcnt; 2495 uint32_t n_open_count; 2496 uint32_t n_opening_count; 2497 smb_llist_t n_ofile_list; 2498 smb_llist_t n_lock_list; 2499 volatile int flags; 2500 struct smb_node *n_dnode; 2501 struct smb_node *n_unode; 2502 char od_name[MAXNAMELEN]; 2503 vnode_t *vp; 2504 smb_audit_buf_node_t *n_audit_buf; 2505 /* Newer members (not in old kernels) - keep last! */ 2506 smb_llist_t n_wlock_list; 2507 } mdb_smb_node_t; 2508 typedef struct mdb_smb_node_old { 2509 /* Note: MUST be layout as above! */ 2510 smb_node_state_t n_state; 2511 uint32_t n_refcnt; 2512 uint32_t n_open_count; 2513 uint32_t n_opening_count; 2514 smb_llist_t n_ofile_list; 2515 smb_llist_t n_lock_list; 2516 volatile int flags; 2517 struct smb_node *n_dnode; 2518 struct smb_node *n_unode; 2519 char od_name[MAXNAMELEN]; 2520 vnode_t *vp; 2521 smb_audit_buf_node_t *n_audit_buf; 2522 /* Newer members omitted from _old */ 2523 } mdb_smb_node_old_t; 2524 2525 static void 2526 smbnode_help(void) 2527 { 2528 mdb_printf( 2529 "Display the contents of smb_node_t, with optional filtering.\n\n"); 2530 (void) mdb_dec_indent(2); 2531 mdb_printf("%<b>OPTIONS%</b>\n"); 2532 (void) mdb_inc_indent(2); 2533 mdb_printf( 2534 "-v\tDisplay verbose smb_node information\n" 2535 "-p\tDisplay the full path of the vnode associated\n" 2536 "-s\tDisplay the stack of the last 16 calls that modified the " 2537 "reference\n\tcount\n"); 2538 } 2539 2540 /* 2541 * ::smbnode 2542 * 2543 * smb_node dcmd - Print out smb_node structure. 2544 */ 2545 static int 2546 smbnode_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2547 { 2548 static smb_llist_t zero_llist = {0}; 2549 mdb_smb_node_t node; 2550 int rc; 2551 int verbose = FALSE; 2552 int print_full_path = FALSE; 2553 int stack_trace = FALSE; 2554 int ol_cnt = 0; 2555 vnode_t vnode; 2556 char od_name[MAXNAMELEN]; 2557 char path_name[1024]; 2558 uintptr_t list_addr; 2559 struct mdb_smb_oplock *node_oplock; 2560 2561 if (mdb_getopts(argc, argv, 2562 'v', MDB_OPT_SETBITS, TRUE, &verbose, 2563 'p', MDB_OPT_SETBITS, TRUE, &print_full_path, 2564 's', MDB_OPT_SETBITS, TRUE, &stack_trace, 2565 NULL) != argc) 2566 return (DCMD_USAGE); 2567 2568 /* 2569 * If no smb_node address was specified on the command line, we can 2570 * print out all smb nodes by invoking the smb_node walker, using 2571 * this dcmd itself as the callback. 2572 */ 2573 if (!(flags & DCMD_ADDRSPEC)) { 2574 if (mdb_walk_dcmd("smbnode_walker", "smbnode", 2575 argc, argv) == -1) { 2576 mdb_warn("failed to walk 'smb_node'"); 2577 return (DCMD_ERR); 2578 } 2579 return (DCMD_OK); 2580 } 2581 2582 /* 2583 * For each smb_node, we just need to read the smb_node_t struct, read 2584 * and then print out the following fields. 2585 */ 2586 if (mdb_ctf_vread(&node, SMBSRV_SCOPE "smb_node_t", 2587 "mdb_smb_node_t", addr, 0) < 0) { 2588 /* 2589 * Fall-back handling for mdb_smb_node_old_t 2590 * Should remove after a while. 2591 */ 2592 if (mdb_ctf_vread(&node, SMBSRV_SCOPE "smb_node_t", 2593 "mdb_smb_node_old_t", addr, 0) < 0) { 2594 mdb_warn("failed to read struct smb_node at %p", addr); 2595 return (DCMD_ERR); 2596 } 2597 node.n_wlock_list = zero_llist; 2598 } 2599 2600 (void) mdb_snprintf(od_name, sizeof (od_name), "%s", 2601 node.od_name); 2602 if (print_full_path) { 2603 if (mdb_vread(&vnode, sizeof (vnode_t), 2604 (uintptr_t)node.vp) == sizeof (vnode_t)) { 2605 if (mdb_readstr(path_name, sizeof (path_name), 2606 (uintptr_t)vnode.v_path) <= 0) { 2607 (void) mdb_snprintf(path_name, 2608 sizeof (path_name), "N/A"); 2609 } 2610 } 2611 } 2612 2613 rc = smb_node_get_oplock(addr, &node_oplock); 2614 if (rc != DCMD_OK) 2615 return (rc); 2616 ol_cnt = smb_node_oplock_cnt(node_oplock); 2617 2618 if (verbose) { 2619 int nol_off, nll_off, wll_off, ll_off; 2620 2621 GET_OFFSET(nol_off, smb_node_t, n_ofile_list); 2622 GET_OFFSET(nll_off, smb_node_t, n_lock_list); 2623 GET_OFFSET(ll_off, smb_llist_t, ll_list); 2624 /* This one is optional (for now). */ 2625 /* GET_OFFSET(wll_off, smb_node_t, n_wlock_list); */ 2626 wll_off = mdb_ctf_offsetof_by_name( 2627 "smb_node_t", "n_wlock_list"); 2628 2629 mdb_printf("%<b>%<u>SMB node information " 2630 "(%p):%</u>%</b>\n", addr); 2631 mdb_printf("VP: %p\n", node.vp); 2632 mdb_printf("Name: %s\n", od_name); 2633 if (print_full_path) 2634 mdb_printf("V-node Path: %s\n", path_name); 2635 mdb_printf("Reference Count: %u\n", node.n_refcnt); 2636 mdb_printf("Ofiles: %u\n", node.n_ofile_list.ll_count); 2637 if (node.n_ofile_list.ll_count != 0 && nol_off != -1) { 2638 (void) mdb_inc_indent(SMB_DCMD_INDENT); 2639 list_addr = addr + nol_off + ll_off; 2640 if (mdb_pwalk_dcmd("list", "smbofile", 0, 2641 NULL, list_addr)) { 2642 mdb_warn("failed to walk node's ofiles"); 2643 } 2644 (void) mdb_dec_indent(SMB_DCMD_INDENT); 2645 } 2646 2647 mdb_printf("Granted Locks: %u\n", 2648 node.n_lock_list.ll_count); 2649 if (node.n_lock_list.ll_count != 0) { 2650 (void) mdb_inc_indent(SMB_DCMD_INDENT); 2651 list_addr = addr + nll_off + ll_off; 2652 if (mdb_pwalk_dcmd("list", "smblock", 0, 2653 NULL, list_addr)) { 2654 mdb_warn("failed to walk node's granted" 2655 " locks"); 2656 } 2657 (void) mdb_dec_indent(SMB_DCMD_INDENT); 2658 } 2659 mdb_printf("Waiting Locks: %u\n", 2660 node.n_wlock_list.ll_count); 2661 if (node.n_wlock_list.ll_count != 0 && wll_off != -1) { 2662 (void) mdb_inc_indent(SMB_DCMD_INDENT); 2663 list_addr = addr + wll_off + ll_off; 2664 if (mdb_pwalk_dcmd("list", "smblock", 0, 2665 NULL, list_addr)) { 2666 mdb_warn("failed to walk node's waiting" 2667 " locks"); 2668 } 2669 (void) mdb_dec_indent(SMB_DCMD_INDENT); 2670 } 2671 if (ol_cnt == 0) { 2672 mdb_printf("Opportunistic Locks: (none)\n"); 2673 } else { 2674 mdb_printf("Opportunistic Locks:\n"); 2675 (void) mdb_inc_indent(SMB_DCMD_INDENT); 2676 /* Takes node address */ 2677 rc = mdb_call_dcmd("smbnode_oplock", addr, 2678 flags, argc, argv); 2679 (void) mdb_dec_indent(SMB_DCMD_INDENT); 2680 if (rc != DCMD_OK) 2681 return (rc); 2682 } 2683 } else { 2684 if (DCMD_HDRSPEC(flags)) { 2685 mdb_printf( 2686 "%<b>%<u>%-?s " 2687 "%-?s " 2688 "%-18s " 2689 "%-6s " 2690 "%-6s " 2691 "%-8s " 2692 "%-8s " 2693 "%-6s%</u>%</b>\n", 2694 "ADDR", "VP", "NODE-NAME", "OFILES", "LOCKS", 2695 "WLOCKS", "OPLOCK", "REF"); 2696 } 2697 2698 mdb_printf("%-?p %-?p %-18s %-6d %-6d %-8d %-8d %-6d ", 2699 addr, node.vp, od_name, node.n_ofile_list.ll_count, 2700 node.n_lock_list.ll_count, node.n_wlock_list.ll_count, 2701 ol_cnt, node.n_refcnt); 2702 2703 if (print_full_path) 2704 mdb_printf("\t%s\n", path_name); 2705 } 2706 if (stack_trace && node.n_audit_buf) { 2707 int ctr; 2708 smb_audit_buf_node_t *anb; 2709 2710 anb = mdb_alloc(sizeof (smb_audit_buf_node_t), 2711 UM_SLEEP | UM_GC); 2712 2713 if (mdb_vread(anb, sizeof (*anb), 2714 (uintptr_t)node.n_audit_buf) != sizeof (*anb)) { 2715 mdb_warn("failed to read audit buffer"); 2716 return (DCMD_ERR); 2717 } 2718 ctr = anb->anb_max_index + 1; 2719 anb->anb_index--; 2720 anb->anb_index &= anb->anb_max_index; 2721 2722 while (ctr) { 2723 smb_audit_record_node_t *anr; 2724 2725 anr = anb->anb_records + anb->anb_index; 2726 2727 if (anr->anr_depth) { 2728 char c[MDB_SYM_NAMLEN]; 2729 GElf_Sym sym; 2730 int i; 2731 2732 mdb_printf("\nRefCnt: %u\t", 2733 anr->anr_refcnt); 2734 2735 for (i = 0; 2736 i < anr->anr_depth; 2737 i++) { 2738 if (mdb_lookup_by_addr( 2739 anr->anr_stack[i], 2740 MDB_SYM_FUZZY, 2741 c, sizeof (c), 2742 &sym) == -1) { 2743 continue; 2744 } 2745 mdb_printf("%s+0x%1x", 2746 c, 2747 anr->anr_stack[i] - 2748 (uintptr_t)sym.st_value); 2749 ++i; 2750 break; 2751 } 2752 2753 while (i < anr->anr_depth) { 2754 if (mdb_lookup_by_addr( 2755 anr->anr_stack[i], 2756 MDB_SYM_FUZZY, 2757 c, sizeof (c), 2758 &sym) == -1) { 2759 ++i; 2760 continue; 2761 } 2762 mdb_printf("\n\t\t%s+0x%1x", 2763 c, 2764 anr->anr_stack[i] - 2765 (uintptr_t)sym.st_value); 2766 ++i; 2767 } 2768 mdb_printf("\n"); 2769 } 2770 anb->anb_index--; 2771 anb->anb_index &= anb->anb_max_index; 2772 ctr--; 2773 } 2774 } 2775 2776 return (DCMD_OK); 2777 } 2778 2779 /* 2780 * Initialize the smb_node_t walker by reading the value of smb_node_hash_table 2781 * in the kernel's symbol table. Only global walk supported. 2782 */ 2783 static int 2784 smb_node_walk_init(mdb_walk_state_t *wsp) 2785 { 2786 GElf_Sym sym; 2787 uintptr_t node_hash_table_addr; 2788 int ll_off; 2789 int i; 2790 2791 if (wsp->walk_addr == 0) { 2792 if (mdb_lookup_by_obj(SMBSRV_OBJNAME, "smb_node_hash_table", 2793 &sym) == -1) { 2794 mdb_warn("failed to find 'smb_node_hash_table'"); 2795 return (WALK_ERR); 2796 } 2797 node_hash_table_addr = (uintptr_t)sym.st_value; 2798 } else { 2799 mdb_printf("smb_node walk only supports global walks\n"); 2800 return (WALK_ERR); 2801 } 2802 2803 GET_OFFSET(ll_off, smb_llist_t, ll_list); 2804 2805 for (i = 0; i < SMBND_HASH_MASK + 1; i++) { 2806 wsp->walk_addr = node_hash_table_addr + 2807 (i * sizeof (smb_llist_t)) + ll_off; 2808 if (mdb_layered_walk("list", wsp) == -1) { 2809 mdb_warn("failed to walk 'list'"); 2810 return (WALK_ERR); 2811 } 2812 } 2813 2814 return (WALK_NEXT); 2815 } 2816 2817 static int 2818 smb_node_walk_step(mdb_walk_state_t *wsp) 2819 { 2820 return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer, 2821 wsp->walk_cbdata)); 2822 } 2823 2824 /* 2825 * ***************************************************************************** 2826 * ****************************** smb_lock_t *********************************** 2827 * ***************************************************************************** 2828 */ 2829 2830 typedef struct mdb_smb_lock { 2831 smb_ofile_t *l_file; 2832 struct smb_lock *l_blocked_by; 2833 uint64_t l_start; 2834 uint64_t l_length; 2835 uint32_t l_pid; 2836 uint32_t l_type; 2837 uint32_t l_flags; 2838 /* Newer members (not in old kernels) - keep last! */ 2839 uint32_t l_conflicts; 2840 } mdb_smb_lock_t; 2841 typedef struct mdb_smb_lock_old { 2842 /* Note: MUST be same layout as above! */ 2843 smb_ofile_t *l_file; 2844 struct smb_lock *l_blocked_by; 2845 uint64_t l_start; 2846 uint64_t l_length; 2847 uint32_t l_pid; 2848 uint32_t l_type; 2849 uint32_t l_flags; 2850 /* Newer members omitted from _old */ 2851 } mdb_smb_lock_old_t; 2852 2853 static int 2854 smblock_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2855 { 2856 mdb_smb_lock_t lock; 2857 int verbose = FALSE; 2858 char *lock_type; 2859 2860 if (mdb_getopts(argc, argv, 2861 'v', MDB_OPT_SETBITS, TRUE, &verbose, 2862 NULL) != argc) 2863 return (DCMD_USAGE); 2864 2865 /* 2866 * An smb_lock_t address must be specified. 2867 */ 2868 if (!(flags & DCMD_ADDRSPEC)) 2869 return (DCMD_USAGE); 2870 2871 if (mdb_ctf_vread(&lock, SMBSRV_SCOPE "smb_lock_t", 2872 "mdb_smb_lock_t", addr, 0) < 0) { 2873 /* 2874 * Fall-back handling for mdb_smb_lock_old_t 2875 * Should remove after a while. 2876 */ 2877 if (mdb_ctf_vread(&lock, SMBSRV_SCOPE "smb_lock_t", 2878 "mdb_smb_lock_old_t", addr, 0) < 0) { 2879 mdb_warn("failed to read struct smb_lock at %p", addr); 2880 return (DCMD_ERR); 2881 } 2882 lock.l_conflicts = 0; 2883 } 2884 2885 switch (lock.l_type) { 2886 case SMB_LOCK_TYPE_READWRITE: 2887 lock_type = "RW"; 2888 break; 2889 case SMB_LOCK_TYPE_READONLY: 2890 lock_type = "RO"; 2891 break; 2892 default: 2893 lock_type = "?"; 2894 break; 2895 } 2896 if (verbose) { 2897 mdb_printf("%<b>%<u>SMB lock information " 2898 "(%p):%</u>%</b>\n", addr); 2899 2900 mdb_printf("Type :\t%s (%u)\n", 2901 lock_type, lock.l_type); 2902 mdb_printf("Start :\t%llu\n", 2903 lock.l_start); 2904 mdb_printf("Length :\t%llu\n", 2905 lock.l_length); 2906 mdb_printf("OFile :\t%p\n", 2907 lock.l_file); 2908 mdb_printf("Process ID :\t%u\n", 2909 lock.l_pid); 2910 mdb_printf("Conflicts :\t%u\n", 2911 lock.l_conflicts); 2912 mdb_printf("Blocked by :\t%p\n", 2913 lock.l_blocked_by); 2914 mdb_printf("Flags :\t0x%x\n", 2915 lock.l_flags); 2916 mdb_printf("\n"); 2917 } else { 2918 if (DCMD_HDRSPEC(flags)) { 2919 mdb_printf("%<u>%-?s %4s %16s %8s %9s %-?s%</u>\n", 2920 "Locks: ", "TYPE", "START", "LENGTH", 2921 "CONFLICTS", "BLOCKED-BY"); 2922 } 2923 mdb_printf("%?p %4s %16llx %08llx %9u %?p", 2924 addr, lock_type, lock.l_start, lock.l_length, 2925 lock.l_conflicts, lock.l_blocked_by); 2926 } 2927 2928 return (DCMD_OK); 2929 } 2930 2931 /* 2932 * ***************************************************************************** 2933 * ************************** smb_oplock_grant_t ******************************* 2934 * ***************************************************************************** 2935 */ 2936 2937 typedef struct mdb_smb_oplock_grant { 2938 uint32_t og_state; /* latest sent to client */ 2939 uint8_t onlist_II; 2940 uint8_t onlist_R; 2941 uint8_t onlist_RH; 2942 uint8_t onlist_RHBQ; 2943 uint8_t BreakingToRead; 2944 } mdb_smb_oplock_grant_t; 2945 2946 static const mdb_bitmask_t 2947 oplock_bits[] = { 2948 { "READ_CACHING", 2949 READ_CACHING, 2950 READ_CACHING }, 2951 { "HANDLE_CACHING", 2952 HANDLE_CACHING, 2953 HANDLE_CACHING }, 2954 { "WRITE_CACHING", 2955 WRITE_CACHING, 2956 WRITE_CACHING }, 2957 { "EXCLUSIVE", 2958 EXCLUSIVE, 2959 EXCLUSIVE }, 2960 { "MIXED_R_AND_RH", 2961 MIXED_R_AND_RH, 2962 MIXED_R_AND_RH }, 2963 { "LEVEL_TWO_OPLOCK", 2964 LEVEL_TWO_OPLOCK, 2965 LEVEL_TWO_OPLOCK }, 2966 { "LEVEL_ONE_OPLOCK", 2967 LEVEL_ONE_OPLOCK, 2968 LEVEL_ONE_OPLOCK }, 2969 { "BATCH_OPLOCK", 2970 BATCH_OPLOCK, 2971 BATCH_OPLOCK }, 2972 { "BREAK_TO_TWO", 2973 BREAK_TO_TWO, 2974 BREAK_TO_TWO }, 2975 { "BREAK_TO_NONE", 2976 BREAK_TO_NONE, 2977 BREAK_TO_NONE }, 2978 { "BREAK_TO_TWO_TO_NONE", 2979 BREAK_TO_TWO_TO_NONE, 2980 BREAK_TO_TWO_TO_NONE }, 2981 { "BREAK_TO_READ_CACHING", 2982 BREAK_TO_READ_CACHING, 2983 BREAK_TO_READ_CACHING }, 2984 { "BREAK_TO_HANDLE_CACHING", 2985 BREAK_TO_HANDLE_CACHING, 2986 BREAK_TO_HANDLE_CACHING }, 2987 { "BREAK_TO_WRITE_CACHING", 2988 BREAK_TO_WRITE_CACHING, 2989 BREAK_TO_WRITE_CACHING }, 2990 { "BREAK_TO_NO_CACHING", 2991 BREAK_TO_NO_CACHING, 2992 BREAK_TO_NO_CACHING }, 2993 { "NO_OPLOCK", 2994 NO_OPLOCK, 2995 NO_OPLOCK }, 2996 { NULL, 0, 0 } 2997 }; 2998 2999 /* 3000 * Show smb_ofile_t oplock info 3001 * address is the ofile 3002 */ 3003 3004 /*ARGSUSED*/ 3005 static int 3006 smbofile_oplock_dcmd(uintptr_t addr, uint_t flags, int argc, 3007 const mdb_arg_t *argv) 3008 { 3009 mdb_smb_oplock_grant_t og; 3010 int verbose = FALSE; 3011 static int og_off; 3012 3013 if (mdb_getopts(argc, argv, 3014 'v', MDB_OPT_SETBITS, TRUE, &verbose, 3015 NULL) != argc) 3016 return (DCMD_USAGE); 3017 3018 if (!(flags & DCMD_ADDRSPEC)) 3019 return (DCMD_USAGE); 3020 3021 if (og_off <= 0) { 3022 og_off = mdb_ctf_offsetof_by_name( 3023 "smb_ofile_t", "f_oplock"); 3024 if (og_off < 0) { 3025 mdb_warn("cannot lookup: smb_ofile_t .f_oplock"); 3026 return (DCMD_ERR); 3027 } 3028 } 3029 3030 if (mdb_ctf_vread(&og, SMBSRV_SCOPE "smb_oplock_grant_t", 3031 "mdb_smb_oplock_grant_t", addr + og_off, 0) < 0) { 3032 mdb_warn("failed to read oplock grant in ofile at %p", addr); 3033 return (DCMD_ERR); 3034 } 3035 3036 if (verbose) { 3037 mdb_printf("%<b>%<u>SMB ofile (oplock_grant) " 3038 "(%p):%</u>%</b>\n", addr); 3039 mdb_printf("State: 0x%x <%b>\n", 3040 og.og_state, 3041 og.og_state, 3042 oplock_bits); 3043 mdb_printf("OnList_II: %d\n", og.onlist_II); 3044 mdb_printf("OnList_R: %d\n", og.onlist_R); 3045 mdb_printf("OnList_RH: %d\n", og.onlist_RH); 3046 mdb_printf("OnList_RHBQ: %d\n", og.onlist_RHBQ); 3047 mdb_printf("BrkToRead: %d\n", og.BreakingToRead); 3048 3049 } else { 3050 3051 if (DCMD_HDRSPEC(flags)) { 3052 mdb_printf("%<u>%-16s %-10s %-16s%</u>\n", 3053 "OFILE", "STATE", "OnList..."); 3054 } 3055 3056 mdb_printf("%-16p", addr); 3057 mdb_printf(" 0x%x", og.og_state); 3058 if (og.onlist_II) 3059 mdb_printf(" II"); 3060 if (og.onlist_R) 3061 mdb_printf(" R"); 3062 if (og.onlist_RH) 3063 mdb_printf(" RH"); 3064 if (og.onlist_RHBQ) 3065 mdb_printf(" RHBQ"); 3066 if (og.BreakingToRead) 3067 mdb_printf(" BrkToRd"); 3068 mdb_printf("\n"); 3069 } 3070 3071 return (DCMD_OK); 3072 } 3073 3074 /* 3075 * ***************************************************************************** 3076 * ***************************** smb_oplock_t ********************************** 3077 * ***************************************************************************** 3078 */ 3079 3080 typedef struct mdb_smb_oplock { 3081 struct smb_ofile *excl_open; 3082 uint32_t ol_state; 3083 int32_t cnt_II; 3084 int32_t cnt_R; 3085 int32_t cnt_RH; 3086 int32_t cnt_RHBQ; 3087 int32_t waiters; 3088 } mdb_smb_oplock_t; 3089 3090 /* 3091 * Helpers for smbnode_dcmd and smbnode_oplock_dcmd 3092 */ 3093 3094 /* 3095 * Read the smb_oplock_t part of the node 3096 * addr is the smb_node 3097 */ 3098 static int 3099 smb_node_get_oplock(uintptr_t addr, struct mdb_smb_oplock **ol_ret) 3100 { 3101 mdb_smb_oplock_t *ol; 3102 static int ol_off; 3103 3104 if (ol_off <= 0) { 3105 ol_off = mdb_ctf_offsetof_by_name( 3106 "smb_node_t", "n_oplock"); 3107 if (ol_off < 0) { 3108 mdb_warn("cannot lookup: smb_node_t .n_oplock"); 3109 return (DCMD_ERR); 3110 } 3111 } 3112 3113 ol = mdb_alloc(sizeof (*ol), UM_SLEEP | UM_GC); 3114 3115 if (mdb_ctf_vread(ol, SMBSRV_SCOPE "smb_oplock_t", 3116 "mdb_smb_oplock_t", addr + ol_off, 0) < 0) { 3117 mdb_warn("failed to read smb_oplock in node at %p", addr); 3118 return (DCMD_ERR); 3119 } 3120 3121 *ol_ret = ol; 3122 return (DCMD_OK); 3123 } 3124 3125 /* 3126 * Return the oplock count 3127 */ 3128 static int 3129 smb_node_oplock_cnt(struct mdb_smb_oplock *ol) 3130 { 3131 int ol_cnt = 0; 3132 3133 /* Compute total oplock count. */ 3134 if (ol->excl_open != NULL) 3135 ol_cnt++; 3136 ol_cnt += ol->cnt_II; 3137 ol_cnt += ol->cnt_R; 3138 ol_cnt += ol->cnt_RH; 3139 3140 return (ol_cnt); 3141 } 3142 3143 /* 3144 * Show smb_node_t oplock info, and optionally the 3145 * list of ofiles with oplocks on this node. 3146 * Address is the smb_node_t. 3147 */ 3148 3149 /*ARGSUSED*/ 3150 static int 3151 smbnode_oplock_dcmd(uintptr_t addr, uint_t flags, int argc, 3152 const mdb_arg_t *argv) 3153 { 3154 mdb_smb_oplock_t *ol; 3155 int verbose = FALSE; 3156 int ol_cnt, rc; 3157 int fl_off, ll_off; 3158 3159 if (mdb_getopts(argc, argv, 3160 'v', MDB_OPT_SETBITS, TRUE, &verbose, 3161 NULL) != argc) 3162 return (DCMD_USAGE); 3163 3164 if (!(flags & DCMD_ADDRSPEC)) 3165 return (DCMD_USAGE); 3166 3167 rc = smb_node_get_oplock(addr, &ol); 3168 if (rc != DCMD_OK) 3169 return (rc); 3170 ol_cnt = smb_node_oplock_cnt(ol); 3171 3172 if (verbose) { 3173 mdb_printf("%<b>%<u>SMB node (oplock) " 3174 "(%p):%</u>%</b>\n", addr); 3175 mdb_printf("State: 0x%x <%b>\n", 3176 ol->ol_state, 3177 ol->ol_state, 3178 oplock_bits); 3179 mdb_printf("Exclusive Open: %p\n", ol->excl_open); 3180 mdb_printf("cnt_II: %d\n", ol->cnt_II); 3181 mdb_printf("cnt_R: %d\n", ol->cnt_R); 3182 mdb_printf("cnt_RH: %d\n", ol->cnt_RH); 3183 mdb_printf("cnt_RHBQ: %d\n", ol->cnt_RHBQ); 3184 mdb_printf("waiters: %d\n", ol->waiters); 3185 } else { 3186 if (DCMD_HDRSPEC(flags)) { 3187 mdb_printf("%<u>%-16s %-10s %-16s%</u>\n", 3188 "NODE", "STATE", "OPLOCKS"); 3189 } 3190 mdb_printf("%-16p 0x%x %d\n", 3191 addr, ol->ol_state, ol_cnt); 3192 } 3193 3194 if (ol_cnt == 0) 3195 return (DCMD_OK); 3196 3197 GET_OFFSET(fl_off, smb_node_t, n_ofile_list); 3198 GET_OFFSET(ll_off, smb_llist_t, ll_list); 3199 3200 (void) mdb_inc_indent(SMB_DCMD_INDENT); 3201 3202 if (mdb_pwalk_dcmd("list", "smbofile_oplock", 3203 argc, argv, addr + fl_off + ll_off)) { 3204 mdb_warn("failed to walk ofile oplocks"); 3205 } 3206 3207 (void) mdb_dec_indent(SMB_DCMD_INDENT); 3208 3209 return (DCMD_OK); 3210 } 3211 3212 /* 3213 * ******************************************************************* 3214 * (smb) mbuf_t 3215 * 3216 * ::smb_mbuf_dump [max_len] 3217 * dcmd to dump the data portion of an mbuf_t 3218 * stop at max_len 3219 */ 3220 static int 3221 smb_mbuf_dump_dcmd(uintptr_t addr, uint_t flags, int argc, 3222 const mdb_arg_t *argv) 3223 { 3224 struct m_hdr mh; 3225 uintptr_t mdata; 3226 int len, max_len; 3227 int dumpptr_flags; 3228 3229 if (mdb_vread(&mh, sizeof (mh), addr) < 0) { 3230 mdb_warn("failed to read mbuf at %p", addr); 3231 return (DCMD_ERR); 3232 } 3233 len = mh.mh_len; 3234 mdata = (uintptr_t)mh.mh_data; 3235 3236 if (argc > 0) { 3237 if (argv[0].a_type == MDB_TYPE_IMMEDIATE) 3238 max_len = argv[0].a_un.a_val; 3239 else 3240 max_len = mdb_strtoull(argv[0].a_un.a_str); 3241 if (len > max_len) 3242 len = max_len; 3243 } 3244 if (len <= 0) 3245 return (DCMD_OK); 3246 3247 if (DCMD_HDRSPEC(flags)) { 3248 mdb_printf("%<u>%-16s %-16s %-12s%</u>\n", 3249 "mbuf_t", "m_data", "m_len"); 3250 } 3251 mdb_printf("%-16p %-16p %-12u\n", 3252 addr, mdata, mh.mh_len); 3253 3254 dumpptr_flags = MDB_DUMP_RELATIVE | MDB_DUMP_ASCII | MDB_DUMP_HEADER; 3255 if (mdb_dumpptr(mdata, len, dumpptr_flags, 3256 (mdb_dumpptr_cb_t)mdb_vread, NULL) < 0) 3257 return (DCMD_ERR); 3258 3259 return (DCMD_OK); 3260 } 3261 3262 static int 3263 smb_mbuf_walk_init(mdb_walk_state_t *wsp) 3264 { 3265 mbuf_t *m; 3266 3267 if (wsp->walk_addr == 0) { 3268 mdb_printf("require address of an mbuf_t\n"); 3269 return (WALK_ERR); 3270 } 3271 m = mdb_alloc(sizeof (*m), UM_SLEEP | UM_GC); 3272 wsp->walk_data = m; 3273 return (WALK_NEXT); 3274 } 3275 3276 static int 3277 smb_mbuf_walk_step(mdb_walk_state_t *wsp) 3278 { 3279 uintptr_t addr = wsp->walk_addr; 3280 mbuf_t *m = wsp->walk_data; 3281 int rc; 3282 3283 if (wsp->walk_addr == 0) 3284 return (WALK_DONE); 3285 3286 if (mdb_vread(m, sizeof (*m), addr) == -1) { 3287 mdb_warn("failed to read mbuf_t at %p", addr); 3288 return (WALK_ERR); 3289 } 3290 3291 rc = wsp->walk_callback(addr, m, wsp->walk_cbdata); 3292 wsp->walk_addr = (uintptr_t)m->m_next; 3293 3294 return (rc); 3295 } 3296 3297 /* 3298 * ***************************************************************************** 3299 * ******************************** smb_ace_t ********************************** 3300 * ***************************************************************************** 3301 */ 3302 static const ace_type_entry_t ace_types[ACE_TYPE_TABLEN] = 3303 { 3304 ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_ACE_TYPE), 3305 ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_ACE_TYPE), 3306 ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_ACE_TYPE), 3307 ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_ACE_TYPE), 3308 ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_COMPOUND_ACE_TYPE), 3309 ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE), 3310 ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_OBJECT_ACE_TYPE), 3311 ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE), 3312 ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE), 3313 ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_CALLBACK_ACE_TYPE), 3314 ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_CALLBACK_ACE_TYPE), 3315 ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE), 3316 ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE), 3317 ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_CALLBACK_ACE_TYPE), 3318 ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_CALLBACK_ACE_TYPE), 3319 ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE), 3320 ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE), 3321 ACE_TYPE_ENTRY(0x11), 3322 ACE_TYPE_ENTRY(0x12), 3323 ACE_TYPE_ENTRY(0x13), 3324 ACE_TYPE_ENTRY(0x14), 3325 ACE_TYPE_ENTRY(0x15), 3326 ACE_TYPE_ENTRY(0x16), 3327 ACE_TYPE_ENTRY(0x17), 3328 ACE_TYPE_ENTRY(0x18), 3329 ACE_TYPE_ENTRY(0x19), 3330 ACE_TYPE_ENTRY(0x1A), 3331 ACE_TYPE_ENTRY(0x1B), 3332 ACE_TYPE_ENTRY(0x1C), 3333 ACE_TYPE_ENTRY(0x1D), 3334 ACE_TYPE_ENTRY(0x1E), 3335 ACE_TYPE_ENTRY(0x1F) 3336 }; 3337 3338 static const mdb_bitmask_t ace_flag_bits[] = { 3339 { "OBJECT_INHERIT_ACE", OBJECT_INHERIT_ACE, OBJECT_INHERIT_ACE }, 3340 { "CONTAINER_INHERIT_ACE", CONTAINER_INHERIT_ACE, 3341 CONTAINER_INHERIT_ACE }, 3342 { "NO_PROPOGATE_INHERIT_ACE", NO_PROPOGATE_INHERIT_ACE, 3343 NO_PROPOGATE_INHERIT_ACE }, 3344 { "INHERIT_ONLY_ACE", INHERIT_ONLY_ACE, INHERIT_ONLY_ACE }, 3345 { "INHERITED_ACE", INHERITED_ACE, INHERITED_ACE }, 3346 { "SUCCESSFUL_ACCESS_ACE_FLAG", SUCCESSFUL_ACCESS_ACE_FLAG, 3347 SUCCESSFUL_ACCESS_ACE_FLAG }, 3348 { "FAILED_ACCESS_ACE_FLAG", FAILED_ACCESS_ACE_FLAG, 3349 FAILED_ACCESS_ACE_FLAG }, 3350 { NULL, 0, 0 } 3351 }; 3352 3353 /* 3354 * ::smbace 3355 */ 3356 static int 3357 smbace_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 3358 { 3359 smb_ace_t ace; 3360 int verbose = FALSE; 3361 const char *ptr; 3362 int rc; 3363 3364 if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &verbose, 3365 NULL) != argc) 3366 return (DCMD_USAGE); 3367 3368 /* 3369 * An smb_ace address is required. 3370 */ 3371 if (!(flags & DCMD_ADDRSPEC)) 3372 return (DCMD_USAGE); 3373 3374 if (mdb_vread(&ace, sizeof (ace), addr) != sizeof (ace)) { 3375 mdb_warn("failed to read struct smb_ace at %p", addr); 3376 return (DCMD_ERR); 3377 } 3378 3379 if (verbose) { 3380 if (ace.se_hdr.se_type < ACE_TYPE_TABLEN) 3381 ptr = ace_types[ace.se_hdr.se_type].ace_type_sting; 3382 else 3383 ptr = "Unknown"; 3384 3385 mdb_printf("ACE Type: 0x%02x (%s)\n", ace.se_hdr.se_type, ptr); 3386 mdb_printf("ACE Flags: %b\n", (int)ace.se_hdr.se_flags, 3387 ace_flag_bits); 3388 mdb_printf("ACE Wire Size: 0x%04x\n", ace.se_hdr.se_bsize); 3389 mdb_printf("ACE Mask: 0x%08x\n", ace.se_mask); 3390 mdb_printf("ACE SID: "); 3391 } else { 3392 if (DCMD_HDRSPEC(flags)) 3393 mdb_printf( 3394 "%<b>%<u>%?-s %-4s %-4s %-8s %s%</u>%</b>\n", 3395 "ACE", "TYPE", "FLAGS", "MASK", "SID"); 3396 mdb_printf("%?p 0x%02x 0x%02x 0x%08x ", addr, 3397 ace.se_hdr.se_type, ace.se_hdr.se_flags, ace.se_mask); 3398 } 3399 rc = smb_sid_print((uintptr_t)ace.se_sid); 3400 mdb_printf("\n"); 3401 return (rc); 3402 } 3403 3404 static int 3405 smb_ace_walk_init(mdb_walk_state_t *wsp) 3406 { 3407 int sal_off; 3408 3409 if (wsp->walk_addr == 0) { 3410 mdb_printf("smb_ace walk only supports local walks\n"); 3411 return (WALK_ERR); 3412 } 3413 3414 GET_OFFSET(sal_off, smb_acl_t, sl_sorted); 3415 wsp->walk_addr += sal_off; 3416 3417 if (mdb_layered_walk("list", wsp) == -1) { 3418 mdb_warn("failed to walk list of ACEs"); 3419 return (WALK_ERR); 3420 } 3421 3422 return (WALK_NEXT); 3423 } 3424 3425 static int 3426 smb_ace_walk_step(mdb_walk_state_t *wsp) 3427 { 3428 return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer, 3429 wsp->walk_cbdata)); 3430 } 3431 3432 /* 3433 * ***************************************************************************** 3434 * ******************************** smb_acl_t ********************************** 3435 * ***************************************************************************** 3436 */ 3437 3438 /* 3439 * ::smbacl 3440 */ 3441 static int 3442 smbacl_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 3443 { 3444 smb_acl_t acl; 3445 3446 /* An smb_acl address is required. */ 3447 if (!(flags & DCMD_ADDRSPEC)) 3448 return (DCMD_USAGE); 3449 3450 if (mdb_vread(&acl, sizeof (acl), addr) != sizeof (acl)) { 3451 mdb_warn("failed to read struct smb_acl at %p", addr); 3452 return (DCMD_ERR); 3453 } 3454 3455 mdb_printf("ACL Revision: %d\n", acl.sl_revision); 3456 mdb_printf("ACL Size on Wire: %d\n", acl.sl_bsize); 3457 mdb_printf("ACL Number of ACEs: %d\n", acl.sl_acecnt); 3458 3459 (void) mdb_inc_indent(SMB_DCMD_INDENT); 3460 if (mdb_pwalk_dcmd("smbace_walker", "smbace", argc, argv, addr)) { 3461 (void) mdb_dec_indent(SMB_DCMD_INDENT); 3462 mdb_warn("failed to walk list of ACEs for ACL %p", addr); 3463 return (DCMD_ERR); 3464 } 3465 (void) mdb_dec_indent(SMB_DCMD_INDENT); 3466 return (DCMD_OK); 3467 } 3468 3469 /* 3470 * ***************************************************************************** 3471 * ********************************* smb_sd_t ********************************** 3472 * ***************************************************************************** 3473 */ 3474 3475 /* 3476 * ::smbsd 3477 */ 3478 static int 3479 smbsd_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 3480 { 3481 smb_sd_t sd; 3482 int rc; 3483 3484 /* 3485 * An smb_sid address is required. 3486 */ 3487 if (!(flags & DCMD_ADDRSPEC)) 3488 return (DCMD_USAGE); 3489 3490 if (mdb_vread(&sd, sizeof (sd), addr) != sizeof (sd)) { 3491 mdb_warn("failed to read struct smb_sd at %p", addr); 3492 return (DCMD_ERR); 3493 } 3494 3495 mdb_printf("SD Revision: %d\n", sd.sd_revision); 3496 mdb_printf("SD Control: %04x\n", sd.sd_control); 3497 if (sd.sd_control & SE_OWNER_DEFAULTED) 3498 mdb_printf("\t SE_OWNER_DEFAULTED\n"); 3499 if (sd.sd_control & SE_GROUP_DEFAULTED) 3500 mdb_printf("\t SE_GROUP_DEFAULTED\n"); 3501 if (sd.sd_control & SE_DACL_PRESENT) 3502 mdb_printf("\t SE_DACL_PRESENT\n"); 3503 if (sd.sd_control & SE_DACL_DEFAULTED) 3504 mdb_printf("\t SE_DACL_DEFAULTED\n"); 3505 if (sd.sd_control & SE_SACL_PRESENT) 3506 mdb_printf("\t SE_SACL_PRESENT\n"); 3507 if (sd.sd_control & SE_SACL_DEFAULTED) 3508 mdb_printf("\t SE_SACL_DEFAULTED\n"); 3509 if (sd.sd_control & SE_DACL_AUTO_INHERIT_REQ) 3510 mdb_printf("\t SE_DACL_AUTO_INHERIT_REQ\n"); 3511 if (sd.sd_control & SE_SACL_AUTO_INHERIT_REQ) 3512 mdb_printf("\t SE_SACL_AUTO_INHERIT_REQ\n"); 3513 if (sd.sd_control & SE_DACL_AUTO_INHERITED) 3514 mdb_printf("\t SE_DACL_AUTO_INHERITED\n"); 3515 if (sd.sd_control & SE_SACL_AUTO_INHERITED) 3516 mdb_printf("\t SE_SACL_AUTO_INHERITED\n"); 3517 if (sd.sd_control & SE_DACL_PROTECTED) 3518 mdb_printf("\t SE_DACL_PROTECTED\n"); 3519 if (sd.sd_control & SE_SACL_PROTECTED) 3520 mdb_printf("\t SE_SACL_PROTECTED\n"); 3521 if (sd.sd_control & SE_SELF_RELATIVE) 3522 mdb_printf("\t SE_SELF_RELATIVE\n"); 3523 3524 mdb_printf("SID of Owner: "); 3525 rc = smb_sid_print((uintptr_t)sd.sd_owner); 3526 if (rc != DCMD_OK) 3527 return (rc); 3528 mdb_printf("\nSID of Group: "); 3529 rc = smb_sid_print((uintptr_t)sd.sd_group); 3530 if (rc != DCMD_OK) 3531 return (rc); 3532 mdb_printf("\n"); 3533 3534 if (sd.sd_control & SE_SACL_PRESENT && sd.sd_sacl) { 3535 mdb_printf("%<b>%<u>System ACL%</u>%</b>\n"); 3536 (void) mdb_inc_indent(SMB_DCMD_INDENT); 3537 rc = mdb_call_dcmd("smbacl", (uintptr_t)sd.sd_sacl, flags, 3538 argc, argv); 3539 (void) mdb_dec_indent(SMB_DCMD_INDENT); 3540 if (rc != DCMD_OK) 3541 return (rc); 3542 } 3543 if (sd.sd_control & SE_DACL_PRESENT && sd.sd_dacl) { 3544 mdb_printf("%<b>%<u>Discretionary ACL%</u>%</b>\n"); 3545 (void) mdb_inc_indent(SMB_DCMD_INDENT); 3546 rc = mdb_call_dcmd("smbacl", (uintptr_t)sd.sd_dacl, flags, 3547 argc, argv); 3548 (void) mdb_dec_indent(SMB_DCMD_INDENT); 3549 if (rc != DCMD_OK) 3550 return (rc); 3551 } 3552 3553 return (DCMD_OK); 3554 } 3555 3556 /* 3557 * ***************************************************************************** 3558 * ********************************* smb_sid_t ********************************* 3559 * ***************************************************************************** 3560 */ 3561 3562 /* 3563 * ::smbsid 3564 */ 3565 /*ARGSUSED*/ 3566 static int 3567 smbsid_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 3568 { 3569 /* 3570 * An smb_sid address is required. 3571 */ 3572 if (!(flags & DCMD_ADDRSPEC)) 3573 return (DCMD_USAGE); 3574 3575 return (smb_sid_print(addr)); 3576 } 3577 3578 /* 3579 * smb_sid_print 3580 */ 3581 static int 3582 smb_sid_print(uintptr_t addr) 3583 { 3584 smb_sid_t sid; 3585 smb_sid_t *psid; 3586 size_t sid_size; 3587 uint64_t authority; 3588 int ssa_off; 3589 int i; 3590 3591 GET_OFFSET(ssa_off, smb_sid_t, sid_subauth); 3592 sid_size = ssa_off; 3593 3594 if (mdb_vread(&sid, sid_size, addr) != sid_size) { 3595 mdb_warn("failed to read struct smb_sid at %p", addr); 3596 return (DCMD_ERR); 3597 } 3598 3599 sid_size += sid.sid_subauthcnt * sizeof (sid.sid_subauth[0]); 3600 3601 psid = mdb_zalloc(sid_size, UM_SLEEP | UM_GC); 3602 if (mdb_vread(psid, sid_size, addr) != sid_size) { 3603 mdb_warn("failed to read struct smb_sid at %p", addr); 3604 return (DCMD_ERR); 3605 } 3606 3607 mdb_printf("S-%d", psid->sid_revision); 3608 authority = 0; 3609 for (i = 0; i < NT_SID_AUTH_MAX; i++) { 3610 authority += ((uint64_t)psid->sid_authority[i]) << 3611 (8 * (NT_SID_AUTH_MAX - 1) - i); 3612 } 3613 mdb_printf("-%ll", authority); 3614 3615 for (i = 0; i < psid->sid_subauthcnt; i++) 3616 mdb_printf("-%d", psid->sid_subauth[i]); 3617 3618 return (DCMD_OK); 3619 } 3620 3621 /* 3622 * ***************************************************************************** 3623 * ********************************* smb_fssd_t ******************************** 3624 * ***************************************************************************** 3625 */ 3626 3627 /* 3628 * ::smbfssd 3629 */ 3630 static int 3631 smbfssd_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 3632 { 3633 smb_fssd_t fssd; 3634 int rc; 3635 3636 /* 3637 * An smb_fssd address is required. 3638 */ 3639 if (!(flags & DCMD_ADDRSPEC)) 3640 return (DCMD_USAGE); 3641 3642 if (mdb_vread(&fssd, sizeof (fssd), addr) != sizeof (fssd)) { 3643 mdb_warn("failed to read struct smb_fssd at %p", addr); 3644 return (DCMD_ERR); 3645 } 3646 3647 mdb_printf("FSSD secinfo: 0x%x\n", fssd.sd_secinfo); 3648 if (fssd.sd_secinfo & SMB_OWNER_SECINFO) 3649 mdb_printf("FSSD uid: %d\n", fssd.sd_uid); 3650 if (fssd.sd_secinfo & SMB_GROUP_SECINFO) 3651 mdb_printf("FSSD gid: %d\n", fssd.sd_gid); 3652 if (fssd.sd_secinfo & SMB_SACL_SECINFO && fssd.sd_zsacl) { 3653 mdb_printf("%<b>%<u>System ACL%</u>%</b>\n"); 3654 (void) mdb_inc_indent(SMB_DCMD_INDENT); 3655 rc = mdb_call_dcmd("smbacl", (uintptr_t)fssd.sd_zsacl, flags, 3656 argc, argv); 3657 (void) mdb_dec_indent(SMB_DCMD_INDENT); 3658 if (rc != DCMD_OK) 3659 return (rc); 3660 } 3661 if (fssd.sd_secinfo & SMB_DACL_SECINFO && fssd.sd_zdacl) { 3662 mdb_printf("%<b>%<u>Discretionary ACL%</u>%</b>\n"); 3663 (void) mdb_inc_indent(SMB_DCMD_INDENT); 3664 rc = mdb_call_dcmd("smbacl", (uintptr_t)fssd.sd_zdacl, flags, 3665 argc, argv); 3666 (void) mdb_dec_indent(SMB_DCMD_INDENT); 3667 if (rc != DCMD_OK) 3668 return (rc); 3669 } 3670 3671 return (DCMD_OK); 3672 } 3673 3674 /* 3675 * ***************************************************************************** 3676 * **************************** Utility Funcions ******************************* 3677 * ***************************************************************************** 3678 */ 3679 3680 /* 3681 * smb_dcmd_getopt 3682 * 3683 * This function analyzes the arguments passed in and sets the bit corresponding 3684 * to the options found in the opts variable. 3685 * 3686 * Return Value 3687 * 3688 * -1 An error occured during the decoding 3689 * 0 The decoding was successful 3690 */ 3691 static int 3692 smb_dcmd_getopt(uint_t *opts, int argc, const mdb_arg_t *argv) 3693 { 3694 *opts = 0; 3695 3696 if (mdb_getopts(argc, argv, 3697 's', MDB_OPT_SETBITS, SMB_OPT_SERVER, opts, 3698 'e', MDB_OPT_SETBITS, SMB_OPT_SESSION, opts, 3699 'r', MDB_OPT_SETBITS, SMB_OPT_REQUEST, opts, 3700 'u', MDB_OPT_SETBITS, SMB_OPT_USER, opts, 3701 't', MDB_OPT_SETBITS, SMB_OPT_TREE, opts, 3702 'f', MDB_OPT_SETBITS, SMB_OPT_OFILE, opts, 3703 'd', MDB_OPT_SETBITS, SMB_OPT_ODIR, opts, 3704 'w', MDB_OPT_SETBITS, SMB_OPT_WALK, opts, 3705 'v', MDB_OPT_SETBITS, SMB_OPT_VERBOSE, opts, 3706 NULL) != argc) 3707 return (-1); 3708 3709 return (0); 3710 } 3711 3712 /* 3713 * smb_dcmd_setopt 3714 * 3715 * This function set the arguments corresponding to the bits set in opts. 3716 * 3717 * Return Value 3718 * 3719 * Number of arguments set. 3720 */ 3721 static int 3722 smb_dcmd_setopt(uint_t opts, int max_argc, mdb_arg_t *argv) 3723 { 3724 int i; 3725 int argc = 0; 3726 3727 for (i = 0; i < SMB_MDB_MAX_OPTS; i++) { 3728 if ((opts & smb_opts[i].o_value) && (argc < max_argc)) { 3729 argv->a_type = MDB_TYPE_STRING; 3730 argv->a_un.a_str = smb_opts[i].o_name; 3731 argc++; 3732 argv++; 3733 } 3734 } 3735 return (argc); 3736 } 3737 3738 /* 3739 * smb_obj_expand 3740 */ 3741 static int 3742 smb_obj_expand(uintptr_t addr, uint_t opts, const smb_exp_t *x, ulong_t indent) 3743 { 3744 int rc = 0; 3745 int ex_off; 3746 int argc; 3747 mdb_arg_t argv[SMB_MDB_MAX_OPTS]; 3748 3749 argc = smb_dcmd_setopt(opts | SMB_OPT_WALK, SMB_MDB_MAX_OPTS, argv); 3750 3751 (void) mdb_inc_indent(indent); 3752 while (x->ex_dcmd) { 3753 if (x->ex_mask & opts) { 3754 ex_off = (x->ex_offset)(); 3755 if (ex_off < 0) { 3756 mdb_warn("failed to get the list offset for %s", 3757 x->ex_name); 3758 rc = ex_off; 3759 break; 3760 } 3761 3762 rc = mdb_pwalk_dcmd("list", x->ex_dcmd, argc, argv, 3763 addr + ex_off); 3764 3765 if (rc) { 3766 mdb_warn("failed to walk the list of %s in %p", 3767 x->ex_name, addr + ex_off); 3768 break; 3769 } 3770 } 3771 x++; 3772 } 3773 (void) mdb_dec_indent(indent); 3774 return (rc); 3775 } 3776 3777 /* 3778 * smb_obj_list 3779 * 3780 * Function called by the DCMDs when no address is provided. It expands the 3781 * tree under the object type associated with the calling DCMD (based on the 3782 * flags passed in). 3783 * 3784 * Return Value 3785 * 3786 * DCMD_OK 3787 * DCMD_ERR 3788 */ 3789 static int 3790 smb_obj_list(const char *name, uint_t opts, uint_t flags) 3791 { 3792 int argc; 3793 mdb_arg_t argv[SMB_MDB_MAX_OPTS]; 3794 3795 argc = smb_dcmd_setopt(opts, SMB_MDB_MAX_OPTS, argv); 3796 3797 if (mdb_call_dcmd("smblist", 0, flags, argc, argv)) { 3798 mdb_warn("failed to list %s", name); 3799 return (DCMD_ERR); 3800 } 3801 return (DCMD_OK); 3802 } 3803 3804 static int 3805 smb_worker_findstack(uintptr_t addr) 3806 { 3807 char cmd[80]; 3808 mdb_arg_t cmdarg; 3809 3810 mdb_inc_indent(2); 3811 mdb_snprintf(cmd, sizeof (cmd), "<.$c%d", 16); 3812 cmdarg.a_type = MDB_TYPE_STRING; 3813 cmdarg.a_un.a_str = cmd; 3814 (void) mdb_call_dcmd("findstack", addr, DCMD_ADDRSPEC, 1, &cmdarg); 3815 mdb_dec_indent(2); 3816 mdb_printf("\n"); 3817 return (DCMD_OK); 3818 } 3819 3820 static void 3821 smb_inaddr_ntop(smb_inaddr_t *ina, char *buf, size_t sz) 3822 { 3823 3824 switch (ina->a_family) { 3825 case AF_INET: 3826 (void) mdb_snprintf(buf, sz, "%I", ina->a_ipv4); 3827 break; 3828 case AF_INET6: 3829 (void) mdb_snprintf(buf, sz, "%N", &ina->a_ipv6); 3830 break; 3831 default: 3832 (void) mdb_snprintf(buf, sz, "(?)"); 3833 break; 3834 } 3835 } 3836 3837 /* 3838 * Get the name for an enum value 3839 */ 3840 static void 3841 get_enum(char *out, size_t size, const char *type_str, int val, 3842 const char *prefix) 3843 { 3844 mdb_ctf_id_t type_id; 3845 const char *cp; 3846 3847 if (mdb_ctf_lookup_by_name(type_str, &type_id) != 0) 3848 goto errout; 3849 if (mdb_ctf_type_resolve(type_id, &type_id) != 0) 3850 goto errout; 3851 if ((cp = mdb_ctf_enum_name(type_id, val)) == NULL) 3852 goto errout; 3853 if (prefix != NULL) { 3854 size_t len = strlen(prefix); 3855 if (strncmp(cp, prefix, len) == 0) 3856 cp += len; 3857 } 3858 (void) strncpy(out, cp, size); 3859 return; 3860 3861 errout: 3862 mdb_snprintf(out, size, "? (%d)", val); 3863 } 3864 3865 /* 3866 * MDB module linkage information: 3867 * 3868 * We declare a list of structures describing our dcmds, a list of structures 3869 * describing our walkers and a function named _mdb_init to return a pointer 3870 * to our module information. 3871 */ 3872 static const mdb_dcmd_t dcmds[] = { 3873 { "smblist", 3874 "[-seutfdwv]", 3875 "print tree of SMB objects", 3876 smblist_dcmd, 3877 smblist_help }, 3878 { "smbsrv", 3879 "[-seutfdwv]", 3880 "print smb_server information", 3881 smbsrv_dcmd }, 3882 { "smbshare", 3883 ":[-v]", 3884 "print smb_kshare_t information", 3885 smbshare_dcmd }, 3886 { "smbvfs", 3887 ":[-v]", 3888 "print smb_vfs information", 3889 smbvfs_dcmd }, 3890 { "smbnode", 3891 "?[-vps]", 3892 "print smb_node_t information", 3893 smbnode_dcmd, 3894 smbnode_help }, 3895 { "smbsess", 3896 "[-utfdwv]", 3897 "print smb_session_t information", 3898 smbsess_dcmd, 3899 smbsess_help}, 3900 { "smbreq", 3901 ":[-v]", 3902 "print smb_request_t information", 3903 smbreq_dcmd }, 3904 { "smbreq_dump", 3905 ":[-cr] [-o outfile]", 3906 "dump smb_request_t packets (cmd/reply)", 3907 smbreq_dump_dcmd, 3908 smbreq_dump_help, 3909 }, 3910 { "smblock", ":[-v]", 3911 "print smb_lock_t information", 3912 smblock_dcmd }, 3913 { "smbuser", 3914 ":[-vdftq]", 3915 "print smb_user_t information", 3916 smbuser_dcmd, 3917 smbuser_help }, 3918 { "smbtree", 3919 ":[-vdf]", 3920 "print smb_tree_t information", 3921 smbtree_dcmd, 3922 smbtree_help }, 3923 { "smbodir", 3924 ":[-v]", 3925 "print smb_odir_t information", 3926 smbodir_dcmd }, 3927 { "smbofile", 3928 "[-v]", 3929 "print smb_file_t information", 3930 smbofile_dcmd }, 3931 { "smbsrv_leases", 3932 "[-v]", 3933 "print lease table for a server", 3934 smbsrv_leases_dcmd }, 3935 { "smblease", 3936 "[-v]", 3937 "print smb_lease_t information", 3938 smblease_dcmd }, 3939 { "smbnode_oplock", NULL, 3940 "print smb_node_t oplock information", 3941 smbnode_oplock_dcmd }, 3942 { "smbofile_oplock", NULL, 3943 "print smb_ofile_t oplock information", 3944 smbofile_oplock_dcmd }, 3945 { "smbace", "[-v]", 3946 "print smb_ace_t information", 3947 smbace_dcmd }, 3948 { "smbacl", "[-v]", 3949 "print smb_acl_t information", 3950 smbacl_dcmd }, 3951 { "smbsid", "[-v]", 3952 "print smb_sid_t information", 3953 smbsid_dcmd }, 3954 { "smbsd", "[-v]", 3955 "print smb_sd_t information", 3956 smbsd_dcmd }, 3957 { "smbfssd", "[-v]", 3958 "print smb_fssd_t information", 3959 smbfssd_dcmd }, 3960 { "smb_mbuf_dump", ":[max_len]", 3961 "print mbuf_t data", 3962 smb_mbuf_dump_dcmd }, 3963 { "smbdurable", 3964 "[-v]", 3965 "list ofiles on sv->sv_persistid_ht", 3966 smbdurable_dcmd }, 3967 { "smbhashstat", 3968 "[-v]", 3969 "list stats from an smb_hash_t structure", 3970 smbhashstat_dcmd }, 3971 3972 { NULL } 3973 }; 3974 3975 static const mdb_walker_t walkers[] = { 3976 { "smbnode_walker", 3977 "walk list of smb_node_t structures", 3978 smb_node_walk_init, 3979 smb_node_walk_step, 3980 NULL, 3981 NULL }, 3982 { "smbshare_walker", 3983 "walk list of smb_kshare_t structures", 3984 smb_kshare_walk_init, 3985 smb_kshare_walk_step, 3986 NULL, 3987 NULL }, 3988 { "smbvfs_walker", 3989 "walk list of smb_vfs_t structures", 3990 smb_vfs_walk_init, 3991 smb_vfs_walk_step, 3992 NULL, 3993 NULL }, 3994 { "smbace_walker", 3995 "walk list of smb_ace_t structures", 3996 smb_ace_walk_init, 3997 smb_ace_walk_step, 3998 NULL, 3999 NULL }, 4000 { "smb_mbuf_walker", 4001 "walk list of mbuf_t structures", 4002 smb_mbuf_walk_init, 4003 smb_mbuf_walk_step, 4004 NULL, 4005 NULL }, 4006 { "smb_hash_walker", 4007 "walk an smb_hash_t structure", 4008 smb_hash_walk_init, 4009 smb_hash_walk_step, 4010 NULL, 4011 NULL }, 4012 { "smb_hashstat_walker", 4013 "walk the buckets from an smb_hash_t structure", 4014 smb_hashstat_walk_init, 4015 smb_hashstat_walk_step, 4016 NULL, 4017 NULL }, 4018 4019 { NULL } 4020 }; 4021 4022 static const mdb_modinfo_t modinfo = { 4023 MDB_API_VERSION, dcmds, walkers 4024 }; 4025 4026 const mdb_modinfo_t * 4027 _mdb_init(void) 4028 { 4029 return (&modinfo); 4030 } 4031