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 2019 Nexenta by DDN, Inc. All rights reserved.
25 * Copyright 2022 RackTop Systems, Inc.
26 */
27
28 #include <mdb/mdb_modapi.h>
29 #include <mdb/mdb_ks.h>
30 #include <mdb/mdb_ctf.h>
31 #include <sys/note.h>
32 #include <sys/thread.h>
33 #include <sys/taskq.h>
34 #include <smbsrv/smb_vops.h>
35 #include <smbsrv/smb.h>
36 #include <smbsrv/smb_ktypes.h>
37 #include <smbsrv/smb_token.h>
38 #include <smbsrv/smb_oplock.h>
39
40 #ifndef _KMDB
41 #include "smbsrv_pcap.h"
42 #endif
43
44 #ifdef _KERNEL
45 #define SMBSRV_OBJNAME "smbsrv"
46 #else
47 #define SMBSRV_OBJNAME "libfksmbsrv.so.1"
48 #endif
49
50 #define SMBSRV_SCOPE SMBSRV_OBJNAME "`"
51
52 #define SMB_DCMD_INDENT 2
53 #define ACE_TYPE_TABLEN (ACE_ALL_TYPES + 1)
54 #define ACE_TYPE_ENTRY(_v_) {_v_, #_v_}
55 #define SMB_COM_ENTRY(_v_, _x_) {#_v_, _x_}
56
57 #define SMB_MDB_MAX_OPTS 10
58
59 #define SMB_OPT_SERVER 0x00000001
60 #define SMB_OPT_SESSION 0x00000002
61 #define SMB_OPT_REQUEST 0x00000004
62 #define SMB_OPT_USER 0x00000008
63 #define SMB_OPT_TREE 0x00000010
64 #define SMB_OPT_OFILE 0x00000020
65 #define SMB_OPT_ODIR 0x00000040
66 #define SMB_OPT_WALK 0x00000100
67 #define SMB_OPT_VERBOSE 0x00000200
68 #define SMB_OPT_ALL_OBJ 0x000000FF
69
70 /*
71 * Use CTF to set var = OFFSETOF(typ, mem) if possible, otherwise
72 * fall back to just OFFSETOF. The fall back is more convenient
73 * than trying to return an error where this is used, and also
74 * let's us find out at compile time if we're referring to any
75 * typedefs or member names that don't exist. Without that
76 * OFFSETOF fall back, we'd only find out at run time.
77 */
78 #define GET_OFFSET(var, typ, mem) do { \
79 var = mdb_ctf_offsetof_by_name(#typ, #mem); \
80 if (var < 0) { \
81 mdb_warn("cannot lookup: " #typ " ." #mem); \
82 var = (int)OFFSETOF(typ, mem); \
83 } \
84 _NOTE(CONSTCOND) } while (0)
85
86 /*
87 * Structure associating an ACE type to a string.
88 */
89 typedef struct {
90 uint8_t ace_type_value;
91 const char *ace_type_sting;
92 } ace_type_entry_t;
93
94 /*
95 * Structure containing strings describing an SMB command.
96 */
97 typedef struct {
98 const char *smb_com;
99 const char *smb_andx;
100 } smb_com_entry_t;
101
102 /*
103 * Structure describing an object to be expanded (displayed).
104 */
105 typedef struct {
106 uint_t ex_mask;
107 const char *ex_walker;
108 int (*ex_offset)(void);
109 const char *ex_dcmd;
110 const char *ex_name;
111 } smb_exp_t;
112
113 /*
114 * List of supported options. Ther order has the match the bits SMB_OPT_xxx.
115 */
116 typedef struct smb_mdb_opts {
117 char *o_name;
118 uint32_t o_value;
119 } smb_mdb_opts_t;
120
121 static smb_mdb_opts_t smb_opts[SMB_MDB_MAX_OPTS] =
122 {
123 { "-s", SMB_OPT_SERVER },
124 { "-e", SMB_OPT_SESSION },
125 { "-r", SMB_OPT_REQUEST },
126 { "-u", SMB_OPT_USER },
127 { "-t", SMB_OPT_TREE },
128 { "-f", SMB_OPT_OFILE },
129 { "-d", SMB_OPT_ODIR },
130 { "-w", SMB_OPT_WALK },
131 { "-v", SMB_OPT_VERBOSE }
132 };
133
134 /*
135 * These access mask bits are generic enough they could move into the
136 * genunix mdb module or somewhere so they could be shared.
137 */
138 static const mdb_bitmask_t
139 nt_access_bits[] = {
140 { "READ_DATA",
141 FILE_READ_DATA,
142 FILE_READ_DATA },
143 { "WRITE_DATA",
144 FILE_WRITE_DATA,
145 FILE_WRITE_DATA },
146 { "APPEND_DATA",
147 FILE_APPEND_DATA,
148 FILE_APPEND_DATA },
149 { "READ_EA",
150 FILE_READ_EA,
151 FILE_READ_EA },
152 { "WRITE_EA",
153 FILE_WRITE_EA,
154 FILE_WRITE_EA },
155 { "EXECUTE",
156 FILE_EXECUTE,
157 FILE_EXECUTE },
158 { "DELETE_CHILD",
159 FILE_DELETE_CHILD,
160 FILE_DELETE_CHILD },
161 { "READ_ATTR",
162 FILE_READ_ATTRIBUTES,
163 FILE_READ_ATTRIBUTES },
164 { "WRITE_ATTR",
165 FILE_WRITE_ATTRIBUTES,
166 FILE_WRITE_ATTRIBUTES },
167 { "DELETE",
168 DELETE,
169 DELETE },
170 { "READ_CTRL",
171 READ_CONTROL,
172 READ_CONTROL },
173 { "WRITE_DAC",
174 WRITE_DAC,
175 WRITE_DAC },
176 { "WRITE_OWNER",
177 WRITE_OWNER,
178 WRITE_OWNER },
179 { "SYNCH",
180 SYNCHRONIZE,
181 SYNCHRONIZE },
182 { "ACC_SEC",
183 ACCESS_SYSTEM_SECURITY,
184 ACCESS_SYSTEM_SECURITY },
185 { "MAX_ALLOWED",
186 MAXIMUM_ALLOWED,
187 MAXIMUM_ALLOWED },
188 { "GEN_X",
189 GENERIC_EXECUTE,
190 GENERIC_EXECUTE },
191 { "GEN_W",
192 GENERIC_WRITE,
193 GENERIC_WRITE },
194 { "GEN_R",
195 GENERIC_READ,
196 GENERIC_READ },
197 { NULL, 0, 0 }
198 };
199
200 static smb_com_entry_t smb_com[256] =
201 {
202 SMB_COM_ENTRY(SMB_COM_CREATE_DIRECTORY, "No"),
203 SMB_COM_ENTRY(SMB_COM_DELETE_DIRECTORY, "No"),
204 SMB_COM_ENTRY(SMB_COM_OPEN, "No"),
205 SMB_COM_ENTRY(SMB_COM_CREATE, "No"),
206 SMB_COM_ENTRY(SMB_COM_CLOSE, "No"),
207 SMB_COM_ENTRY(SMB_COM_FLUSH, "No"),
208 SMB_COM_ENTRY(SMB_COM_DELETE, "No"),
209 SMB_COM_ENTRY(SMB_COM_RENAME, "No"),
210 SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION, "No"),
211 SMB_COM_ENTRY(SMB_COM_SET_INFORMATION, "No"),
212 SMB_COM_ENTRY(SMB_COM_READ, "No"),
213 SMB_COM_ENTRY(SMB_COM_WRITE, "No"),
214 SMB_COM_ENTRY(SMB_COM_LOCK_BYTE_RANGE, "No"),
215 SMB_COM_ENTRY(SMB_COM_UNLOCK_BYTE_RANGE, "No"),
216 SMB_COM_ENTRY(SMB_COM_CREATE_TEMPORARY, "No"),
217 SMB_COM_ENTRY(SMB_COM_CREATE_NEW, "No"),
218 SMB_COM_ENTRY(SMB_COM_CHECK_DIRECTORY, "No"),
219 SMB_COM_ENTRY(SMB_COM_PROCESS_EXIT, "No"),
220 SMB_COM_ENTRY(SMB_COM_SEEK, "No"),
221 SMB_COM_ENTRY(SMB_COM_LOCK_AND_READ, "No"),
222 SMB_COM_ENTRY(SMB_COM_WRITE_AND_UNLOCK, "No"),
223 SMB_COM_ENTRY(0x15, "?"),
224 SMB_COM_ENTRY(0x16, "?"),
225 SMB_COM_ENTRY(0x17, "?"),
226 SMB_COM_ENTRY(0x18, "?"),
227 SMB_COM_ENTRY(0x19, "?"),
228 SMB_COM_ENTRY(SMB_COM_READ_RAW, "No"),
229 SMB_COM_ENTRY(SMB_COM_READ_MPX, "No"),
230 SMB_COM_ENTRY(SMB_COM_READ_MPX_SECONDARY, "No"),
231 SMB_COM_ENTRY(SMB_COM_WRITE_RAW, "No"),
232 SMB_COM_ENTRY(SMB_COM_WRITE_MPX, "No"),
233 SMB_COM_ENTRY(SMB_COM_WRITE_MPX_SECONDARY, "No"),
234 SMB_COM_ENTRY(SMB_COM_WRITE_COMPLETE, "No"),
235 SMB_COM_ENTRY(SMB_COM_QUERY_SERVER, "No"),
236 SMB_COM_ENTRY(SMB_COM_SET_INFORMATION2, "No"),
237 SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION2, "No"),
238 SMB_COM_ENTRY(SMB_COM_LOCKING_ANDX, "No"),
239 SMB_COM_ENTRY(SMB_COM_TRANSACTION, "No"),
240 SMB_COM_ENTRY(SMB_COM_TRANSACTION_SECONDARY, "No"),
241 SMB_COM_ENTRY(SMB_COM_IOCTL, "No"),
242 SMB_COM_ENTRY(SMB_COM_IOCTL_SECONDARY, "No"),
243 SMB_COM_ENTRY(SMB_COM_COPY, "No"),
244 SMB_COM_ENTRY(SMB_COM_MOVE, "No"),
245 SMB_COM_ENTRY(SMB_COM_ECHO, "No"),
246 SMB_COM_ENTRY(SMB_COM_WRITE_AND_CLOSE, "No"),
247 SMB_COM_ENTRY(SMB_COM_OPEN_ANDX, "No"),
248 SMB_COM_ENTRY(SMB_COM_READ_ANDX, "No"),
249 SMB_COM_ENTRY(SMB_COM_WRITE_ANDX, "No"),
250 SMB_COM_ENTRY(SMB_COM_NEW_FILE_SIZE, "No"),
251 SMB_COM_ENTRY(SMB_COM_CLOSE_AND_TREE_DISC, "No"),
252 SMB_COM_ENTRY(SMB_COM_TRANSACTION2, "No"),
253 SMB_COM_ENTRY(SMB_COM_TRANSACTION2_SECONDARY, "No"),
254 SMB_COM_ENTRY(SMB_COM_FIND_CLOSE2, "No"),
255 SMB_COM_ENTRY(SMB_COM_FIND_NOTIFY_CLOSE, "No"),
256 SMB_COM_ENTRY(0x36, "?"),
257 SMB_COM_ENTRY(0x37, "?"),
258 SMB_COM_ENTRY(0x38, "?"),
259 SMB_COM_ENTRY(0x39, "?"),
260 SMB_COM_ENTRY(0x3A, "?"),
261 SMB_COM_ENTRY(0x3B, "?"),
262 SMB_COM_ENTRY(0x3C, "?"),
263 SMB_COM_ENTRY(0x3D, "?"),
264 SMB_COM_ENTRY(0x3E, "?"),
265 SMB_COM_ENTRY(0x3F, "?"),
266 SMB_COM_ENTRY(0x40, "?"),
267 SMB_COM_ENTRY(0x41, "?"),
268 SMB_COM_ENTRY(0x42, "?"),
269 SMB_COM_ENTRY(0x43, "?"),
270 SMB_COM_ENTRY(0x44, "?"),
271 SMB_COM_ENTRY(0x45, "?"),
272 SMB_COM_ENTRY(0x46, "?"),
273 SMB_COM_ENTRY(0x47, "?"),
274 SMB_COM_ENTRY(0x48, "?"),
275 SMB_COM_ENTRY(0x49, "?"),
276 SMB_COM_ENTRY(0x4A, "?"),
277 SMB_COM_ENTRY(0x4B, "?"),
278 SMB_COM_ENTRY(0x4C, "?"),
279 SMB_COM_ENTRY(0x4D, "?"),
280 SMB_COM_ENTRY(0x4E, "?"),
281 SMB_COM_ENTRY(0x4F, "?"),
282 SMB_COM_ENTRY(0x50, "?"),
283 SMB_COM_ENTRY(0x51, "?"),
284 SMB_COM_ENTRY(0x52, "?"),
285 SMB_COM_ENTRY(0x53, "?"),
286 SMB_COM_ENTRY(0x54, "?"),
287 SMB_COM_ENTRY(0x55, "?"),
288 SMB_COM_ENTRY(0x56, "?"),
289 SMB_COM_ENTRY(0x57, "?"),
290 SMB_COM_ENTRY(0x58, "?"),
291 SMB_COM_ENTRY(0x59, "?"),
292 SMB_COM_ENTRY(0x5A, "?"),
293 SMB_COM_ENTRY(0x5B, "?"),
294 SMB_COM_ENTRY(0x5C, "?"),
295 SMB_COM_ENTRY(0x5D, "?"),
296 SMB_COM_ENTRY(0x5E, "?"),
297 SMB_COM_ENTRY(0x5F, "?"),
298 SMB_COM_ENTRY(0x60, "?"),
299 SMB_COM_ENTRY(0x61, "?"),
300 SMB_COM_ENTRY(0x62, "?"),
301 SMB_COM_ENTRY(0x63, "?"),
302 SMB_COM_ENTRY(0x64, "?"),
303 SMB_COM_ENTRY(0x65, "?"),
304 SMB_COM_ENTRY(0x66, "?"),
305 SMB_COM_ENTRY(0x67, "?"),
306 SMB_COM_ENTRY(0x68, "?"),
307 SMB_COM_ENTRY(0x69, "?"),
308 SMB_COM_ENTRY(0x6A, "?"),
309 SMB_COM_ENTRY(0x6B, "?"),
310 SMB_COM_ENTRY(0x6C, "?"),
311 SMB_COM_ENTRY(0x6D, "?"),
312 SMB_COM_ENTRY(0x6E, "?"),
313 SMB_COM_ENTRY(0x6F, "?"),
314 SMB_COM_ENTRY(SMB_COM_TREE_CONNECT, "No"),
315 SMB_COM_ENTRY(SMB_COM_TREE_DISCONNECT, "No"),
316 SMB_COM_ENTRY(SMB_COM_NEGOTIATE, "No"),
317 SMB_COM_ENTRY(SMB_COM_SESSION_SETUP_ANDX, "No"),
318 SMB_COM_ENTRY(SMB_COM_LOGOFF_ANDX, "No"),
319 SMB_COM_ENTRY(SMB_COM_TREE_CONNECT_ANDX, "No"),
320 SMB_COM_ENTRY(0x76, "?"),
321 SMB_COM_ENTRY(0x77, "?"),
322 SMB_COM_ENTRY(0x78, "?"),
323 SMB_COM_ENTRY(0x79, "?"),
324 SMB_COM_ENTRY(0x7A, "?"),
325 SMB_COM_ENTRY(0x7B, "?"),
326 SMB_COM_ENTRY(0x7C, "?"),
327 SMB_COM_ENTRY(0x7D, "?"),
328 SMB_COM_ENTRY(0x7E, "?"),
329 SMB_COM_ENTRY(0x7F, "?"),
330 SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION_DISK, "No"),
331 SMB_COM_ENTRY(SMB_COM_SEARCH, "No"),
332 SMB_COM_ENTRY(SMB_COM_FIND, "No"),
333 SMB_COM_ENTRY(SMB_COM_FIND_UNIQUE, "No"),
334 SMB_COM_ENTRY(SMB_COM_FIND_CLOSE, "No"),
335 SMB_COM_ENTRY(0x85, "?"),
336 SMB_COM_ENTRY(0x86, "?"),
337 SMB_COM_ENTRY(0x87, "?"),
338 SMB_COM_ENTRY(0x88, "?"),
339 SMB_COM_ENTRY(0x89, "?"),
340 SMB_COM_ENTRY(0x8A, "?"),
341 SMB_COM_ENTRY(0x8B, "?"),
342 SMB_COM_ENTRY(0x8C, "?"),
343 SMB_COM_ENTRY(0x8D, "?"),
344 SMB_COM_ENTRY(0x8E, "?"),
345 SMB_COM_ENTRY(0x8F, "?"),
346 SMB_COM_ENTRY(0x90, "?"),
347 SMB_COM_ENTRY(0x91, "?"),
348 SMB_COM_ENTRY(0x92, "?"),
349 SMB_COM_ENTRY(0x93, "?"),
350 SMB_COM_ENTRY(0x94, "?"),
351 SMB_COM_ENTRY(0x95, "?"),
352 SMB_COM_ENTRY(0x96, "?"),
353 SMB_COM_ENTRY(0x97, "?"),
354 SMB_COM_ENTRY(0x98, "?"),
355 SMB_COM_ENTRY(0x99, "?"),
356 SMB_COM_ENTRY(0x9A, "?"),
357 SMB_COM_ENTRY(0x9B, "?"),
358 SMB_COM_ENTRY(0x9C, "?"),
359 SMB_COM_ENTRY(0x9D, "?"),
360 SMB_COM_ENTRY(0x9E, "?"),
361 SMB_COM_ENTRY(0x9F, "?"),
362 SMB_COM_ENTRY(SMB_COM_NT_TRANSACT, "No"),
363 SMB_COM_ENTRY(SMB_COM_NT_TRANSACT_SECONDARY, "No"),
364 SMB_COM_ENTRY(SMB_COM_NT_CREATE_ANDX, "No"),
365 SMB_COM_ENTRY(0xA3, "?"),
366 SMB_COM_ENTRY(SMB_COM_NT_CANCEL, "No"),
367 SMB_COM_ENTRY(SMB_COM_NT_RENAME, "No"),
368 SMB_COM_ENTRY(0xA6, "?"),
369 SMB_COM_ENTRY(0xA7, "?"),
370 SMB_COM_ENTRY(0xA8, "?"),
371 SMB_COM_ENTRY(0xA9, "?"),
372 SMB_COM_ENTRY(0xAA, "?"),
373 SMB_COM_ENTRY(0xAB, "?"),
374 SMB_COM_ENTRY(0xAC, "?"),
375 SMB_COM_ENTRY(0xAD, "?"),
376 SMB_COM_ENTRY(0xAE, "?"),
377 SMB_COM_ENTRY(0xAF, "?"),
378 SMB_COM_ENTRY(0xB0, "?"),
379 SMB_COM_ENTRY(0xB1, "?"),
380 SMB_COM_ENTRY(0xB2, "?"),
381 SMB_COM_ENTRY(0xB3, "?"),
382 SMB_COM_ENTRY(0xB4, "?"),
383 SMB_COM_ENTRY(0xB5, "?"),
384 SMB_COM_ENTRY(0xB6, "?"),
385 SMB_COM_ENTRY(0xB7, "?"),
386 SMB_COM_ENTRY(0xB8, "?"),
387 SMB_COM_ENTRY(0xB9, "?"),
388 SMB_COM_ENTRY(0xBA, "?"),
389 SMB_COM_ENTRY(0xBB, "?"),
390 SMB_COM_ENTRY(0xBC, "?"),
391 SMB_COM_ENTRY(0xBD, "?"),
392 SMB_COM_ENTRY(0xBE, "?"),
393 SMB_COM_ENTRY(0xBF, "?"),
394 SMB_COM_ENTRY(SMB_COM_OPEN_PRINT_FILE, "No"),
395 SMB_COM_ENTRY(SMB_COM_WRITE_PRINT_FILE, "No"),
396 SMB_COM_ENTRY(SMB_COM_CLOSE_PRINT_FILE, "No"),
397 SMB_COM_ENTRY(SMB_COM_GET_PRINT_QUEUE, "No"),
398 SMB_COM_ENTRY(0xC4, "?"),
399 SMB_COM_ENTRY(0xC5, "?"),
400 SMB_COM_ENTRY(0xC6, "?"),
401 SMB_COM_ENTRY(0xC7, "?"),
402 SMB_COM_ENTRY(0xC8, "?"),
403 SMB_COM_ENTRY(0xC9, "?"),
404 SMB_COM_ENTRY(0xCA, "?"),
405 SMB_COM_ENTRY(0xCB, "?"),
406 SMB_COM_ENTRY(0xCC, "?"),
407 SMB_COM_ENTRY(0xCD, "?"),
408 SMB_COM_ENTRY(0xCE, "?"),
409 SMB_COM_ENTRY(0xCF, "?"),
410 SMB_COM_ENTRY(0xD0, "?"),
411 SMB_COM_ENTRY(0xD1, "?"),
412 SMB_COM_ENTRY(0xD2, "?"),
413 SMB_COM_ENTRY(0xD3, "?"),
414 SMB_COM_ENTRY(0xD4, "?"),
415 SMB_COM_ENTRY(0xD5, "?"),
416 SMB_COM_ENTRY(0xD6, "?"),
417 SMB_COM_ENTRY(0xD7, "?"),
418 SMB_COM_ENTRY(SMB_COM_READ_BULK, "No"),
419 SMB_COM_ENTRY(SMB_COM_WRITE_BULK, "No"),
420 SMB_COM_ENTRY(SMB_COM_WRITE_BULK_DATA, "No"),
421 SMB_COM_ENTRY(0xDB, "?"),
422 SMB_COM_ENTRY(0xDC, "?"),
423 SMB_COM_ENTRY(0xDD, "?"),
424 SMB_COM_ENTRY(0xDE, "?"),
425 SMB_COM_ENTRY(0xDF, "?"),
426 SMB_COM_ENTRY(0xE0, "?"),
427 SMB_COM_ENTRY(0xE1, "?"),
428 SMB_COM_ENTRY(0xE2, "?"),
429 SMB_COM_ENTRY(0xE3, "?"),
430 SMB_COM_ENTRY(0xE4, "?"),
431 SMB_COM_ENTRY(0xE5, "?"),
432 SMB_COM_ENTRY(0xE6, "?"),
433 SMB_COM_ENTRY(0xE7, "?"),
434 SMB_COM_ENTRY(0xE8, "?"),
435 SMB_COM_ENTRY(0xE9, "?"),
436 SMB_COM_ENTRY(0xEA, "?"),
437 SMB_COM_ENTRY(0xEB, "?"),
438 SMB_COM_ENTRY(0xEC, "?"),
439 SMB_COM_ENTRY(0xED, "?"),
440 SMB_COM_ENTRY(0xEE, "?"),
441 SMB_COM_ENTRY(0xEF, "?"),
442 SMB_COM_ENTRY(0xF0, "?"),
443 SMB_COM_ENTRY(0xF1, "?"),
444 SMB_COM_ENTRY(0xF2, "?"),
445 SMB_COM_ENTRY(0xF3, "?"),
446 SMB_COM_ENTRY(0xF4, "?"),
447 SMB_COM_ENTRY(0xF5, "?"),
448 SMB_COM_ENTRY(0xF6, "?"),
449 SMB_COM_ENTRY(0xF7, "?"),
450 SMB_COM_ENTRY(0xF8, "?"),
451 SMB_COM_ENTRY(0xF9, "?"),
452 SMB_COM_ENTRY(0xFA, "?"),
453 SMB_COM_ENTRY(0xFB, "?"),
454 SMB_COM_ENTRY(0xFC, "?"),
455 SMB_COM_ENTRY(0xFD, "?"),
456 SMB_COM_ENTRY(0xFE, "?"),
457 SMB_COM_ENTRY(0xFF, "?")
458 };
459
460 static const char *smb2_cmd_names[SMB2__NCMDS] = {
461 "smb2_negotiate",
462 "smb2_session_setup",
463 "smb2_logoff",
464 "smb2_tree_connect",
465 "smb2_tree_disconn",
466 "smb2_create",
467 "smb2_close",
468 "smb2_flush",
469 "smb2_read",
470 "smb2_write",
471 "smb2_lock",
472 "smb2_ioctl",
473 "smb2_cancel",
474 "smb2_echo",
475 "smb2_query_dir",
476 "smb2_change_notify",
477 "smb2_query_info",
478 "smb2_set_info",
479 "smb2_oplock_break",
480 "smb2_invalid_cmd"
481 };
482
483 struct mdb_smb_oplock;
484
485 static int smb_sid_print(uintptr_t);
486 static int smb_dcmd_getopt(uint_t *, int, const mdb_arg_t *);
487 static int smb_dcmd_setopt(uint_t, int, mdb_arg_t *);
488 static int smb_obj_expand(uintptr_t, uint_t, const smb_exp_t *, ulong_t);
489 static int smb_obj_list(const char *, uint_t, uint_t);
490 static int smb_worker_findstack(uintptr_t);
491 static int smb_node_get_oplock(uintptr_t, struct mdb_smb_oplock **);
492 static int smb_node_oplock_cnt(struct mdb_smb_oplock *);
493 static void smb_inaddr_ntop(smb_inaddr_t *, char *, size_t);
494 static void get_enum(char *, size_t, const char *, int, const char *);
495
496 typedef int (*dump_func_t)(struct mbuf_chain *, int32_t,
497 smb_inaddr_t *, uint16_t, smb_inaddr_t *, uint16_t,
498 hrtime_t, boolean_t);
499 static int smb_req_dump(struct mbuf_chain *, int32_t,
500 smb_inaddr_t *, uint16_t, smb_inaddr_t *, uint16_t,
501 hrtime_t, boolean_t);
502 static int smb_req_dump_m(uintptr_t, const void *, void *);
503
504 /*
505 * *****************************************************************************
506 * ****************************** Top level DCMD *******************************
507 * *****************************************************************************
508 */
509
510 static void
smblist_help(void)511 smblist_help(void)
512 {
513 mdb_printf(
514 "Displays the list of objects using an indented tree format.\n"
515 "If no option is specified the entire tree is displayed\n\n");
516 (void) mdb_dec_indent(2);
517 mdb_printf("%<b>OPTIONS%</b>\n");
518 (void) mdb_inc_indent(2);
519 mdb_printf(
520 "-v\tDisplay verbose information\n"
521 "-s\tDisplay the list of servers\n"
522 "-e\tDisplay the list of sessions\n"
523 "-r\tDisplay the list of smb requests\n"
524 "-u\tDisplay the list of users\n"
525 "-t\tDisplay the list of trees\n"
526 "-f\tDisplay the list of open files\n"
527 "-d\tDisplay the list of open searches\n");
528 }
529
530 /*
531 * ::smblist
532 *
533 * This function lists the objects specified on the command line. If no object
534 * is specified the entire tree (server through ofile and odir) is displayed.
535 *
536 */
537 /*ARGSUSED*/
538 static int
smblist_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)539 smblist_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
540 {
541 GElf_Sym sym;
542 uint_t opts = 0;
543 int new_argc;
544 mdb_arg_t new_argv[SMB_MDB_MAX_OPTS];
545 int ll_off;
546
547 if (smb_dcmd_getopt(&opts, argc, argv))
548 return (DCMD_USAGE);
549
550 if (!(opts & ~(SMB_OPT_WALK | SMB_OPT_VERBOSE)))
551 opts |= SMB_OPT_ALL_OBJ;
552
553 opts |= SMB_OPT_WALK;
554
555 new_argc = smb_dcmd_setopt(opts, SMB_MDB_MAX_OPTS, new_argv);
556
557 if (mdb_lookup_by_obj(SMBSRV_OBJNAME, "smb_servers", &sym) == -1) {
558 mdb_warn("failed to find symbol smb_servers");
559 return (DCMD_ERR);
560 }
561
562 GET_OFFSET(ll_off, smb_llist_t, ll_list);
563 addr = (uintptr_t)sym.st_value + ll_off;
564
565 if (mdb_pwalk_dcmd("list", "smbsrv", new_argc, new_argv, addr)) {
566 mdb_warn("cannot walk smb_server list");
567 return (DCMD_ERR);
568 }
569 return (DCMD_OK);
570 }
571
572 /*
573 * *****************************************************************************
574 * ***************************** smb_server_t **********************************
575 * *****************************************************************************
576 */
577
578 typedef struct mdb_smb_server {
579 smb_server_state_t sv_state;
580 zoneid_t sv_zid;
581 smb_hash_t *sv_persistid_ht;
582 } mdb_smb_server_t;
583
584 static int
smb_server_exp_off_sv_list(void)585 smb_server_exp_off_sv_list(void)
586 {
587 int svl_off, ll_off;
588
589 /* OFFSETOF(smb_server_t, sv_session_list.ll_list); */
590 GET_OFFSET(svl_off, smb_server_t, sv_session_list);
591 GET_OFFSET(ll_off, smb_llist_t, ll_list);
592 return (svl_off + ll_off);
593 }
594
595 static int
smb_server_exp_off_nbt_list(void)596 smb_server_exp_off_nbt_list(void)
597 {
598 int svd_off, lds_off, ll_off;
599
600 /* OFFSETOF(smb_server_t, sv_nbt_daemon.ld_session_list.ll_list); */
601 GET_OFFSET(svd_off, smb_server_t, sv_nbt_daemon);
602 /*
603 * We can't do OFFSETOF() because the member doesn't exist,
604 * but we want backwards compatibility to old cores
605 */
606 lds_off = mdb_ctf_offsetof_by_name("smb_listener_daemon_t",
607 "ld_session_list");
608 if (lds_off < 0) {
609 mdb_warn("cannot lookup: "
610 "smb_listener_daemon_t .ld_session_list");
611 return (-1);
612 }
613 GET_OFFSET(ll_off, smb_llist_t, ll_list);
614 return (svd_off + lds_off + ll_off);
615 }
616
617 static int
smb_server_exp_off_tcp_list(void)618 smb_server_exp_off_tcp_list(void)
619 {
620 int svd_off, lds_off, ll_off;
621
622 /* OFFSETOF(smb_server_t, sv_tcp_daemon.ld_session_list.ll_list); */
623 GET_OFFSET(svd_off, smb_server_t, sv_tcp_daemon);
624 /*
625 * We can't do OFFSETOF() because the member doesn't exist,
626 * but we want backwards compatibility to old cores
627 */
628 lds_off = mdb_ctf_offsetof_by_name("smb_listener_daemon_t",
629 "ld_session_list");
630 if (lds_off < 0) {
631 mdb_warn("cannot lookup: "
632 "smb_listener_daemon_t .ld_session_list");
633 return (-1);
634 }
635 GET_OFFSET(ll_off, smb_llist_t, ll_list);
636 return (svd_off + lds_off + ll_off);
637 }
638
639 /*
640 * List of objects that can be expanded under a server structure.
641 */
642 static const smb_exp_t smb_server_exp[] =
643 {
644 { SMB_OPT_ALL_OBJ, "list",
645 smb_server_exp_off_sv_list,
646 "smbsess", "smb_session"},
647 { 0 }
648 };
649
650 /* for backwards compatibility only */
651 static const smb_exp_t smb_server_exp_old[] =
652 {
653 { SMB_OPT_ALL_OBJ, "list",
654 smb_server_exp_off_nbt_list,
655 "smbsess", "smb_session"},
656 { SMB_OPT_ALL_OBJ, "list",
657 smb_server_exp_off_tcp_list,
658 "smbsess", "smb_session"},
659 { 0 }
660 };
661
662 /*
663 * ::smbsrv
664 *
665 * smbsrv dcmd - Print out smb_server structures.
666 */
667 /*ARGSUSED*/
668 static int
smbsrv_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)669 smbsrv_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
670 {
671 uint_t opts;
672 ulong_t indent = 0;
673 const smb_exp_t *sv_exp;
674 mdb_ctf_id_t id;
675 ulong_t off;
676
677 if (smb_dcmd_getopt(&opts, argc, argv))
678 return (DCMD_USAGE);
679
680 if (!(flags & DCMD_ADDRSPEC))
681 return (smb_obj_list("smb_server", opts | SMB_OPT_SERVER,
682 flags));
683
684 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_SERVER)) ||
685 !(opts & SMB_OPT_WALK)) {
686 mdb_smb_server_t *sv;
687 char state[40];
688
689 sv = mdb_zalloc(sizeof (*sv), UM_SLEEP | UM_GC);
690 if (mdb_ctf_vread(sv, SMBSRV_SCOPE "smb_server_t",
691 "mdb_smb_server_t", addr, 0) < 0) {
692 mdb_warn("failed to read smb_server at %p", addr);
693 return (DCMD_ERR);
694 }
695
696 indent = SMB_DCMD_INDENT;
697
698 if (opts & SMB_OPT_VERBOSE) {
699 mdb_arg_t argv;
700
701 argv.a_type = MDB_TYPE_STRING;
702 argv.a_un.a_str = "smb_server_t";
703 if (mdb_call_dcmd("print", addr, flags, 1, &argv))
704 return (DCMD_ERR);
705 } else {
706 if (DCMD_HDRSPEC(flags))
707 mdb_printf(
708 "%<b>%<u>%-?s% "
709 "%-4s% "
710 "%-32s% "
711 "%</u>%</b>\n",
712 "SERVER", "ZONE", "STATE");
713
714 get_enum(state, sizeof (state),
715 "smb_server_state_t", sv->sv_state,
716 "SMB_SERVER_STATE_");
717
718 mdb_printf("%-?p %-4d %-32s \n",
719 addr, sv->sv_zid, state);
720 }
721 }
722
723 /* if we can't look up the type name, just error out */
724 if (mdb_ctf_lookup_by_name("smb_server_t", &id) == -1)
725 return (DCMD_ERR);
726
727 if (mdb_ctf_offsetof(id, "sv_session_list", &off) == -1)
728 /* sv_session_list doesn't exist; old core */
729 sv_exp = smb_server_exp_old;
730 else
731 sv_exp = smb_server_exp;
732
733 if (smb_obj_expand(addr, opts, sv_exp, indent))
734 return (DCMD_ERR);
735 return (DCMD_OK);
736 }
737
738 /*
739 * *****************************************************************************
740 * ***************************** smb_session_t *********************************
741 * *****************************************************************************
742 */
743
744 /*
745 * After some changes merged from upstream, "::smblist" was failing with
746 * "inexact match for union au_addr (au_addr)" because the CTF data for
747 * the target vs mdb were apparently not exactly the same (unknown why).
748 *
749 * As described above mdb_ctf_vread(), the recommended way to read a
750 * union is to use an mdb struct with only the union "arm" appropriate
751 * to the given type instance. That's difficult in this case, so we
752 * use a local union with only the in6_addr_t union arm (otherwise
753 * identical to smb_inaddr_t) and just cast it to an smb_inaddr_t
754 */
755
756 typedef struct mdb_smb_inaddr {
757 union {
758 #if 0 /* The real smb_inaddr_t has these too. */
759 in_addr_t au_ipv4;
760 in6_addr_t au_ipv6;
761 #endif
762 in6_addr_t au_ip;
763 } au_addr;
764 int a_family;
765 } mdb_smb_inaddr_t;
766
767 typedef struct mdb_smb_session {
768 uint64_t s_kid;
769 smb_session_state_t s_state;
770 uint32_t s_flags;
771 uint16_t s_local_port;
772 uint16_t s_remote_port;
773 mdb_smb_inaddr_t ipaddr;
774 mdb_smb_inaddr_t local_ipaddr;
775 int dialect;
776
777 smb_slist_t s_req_list;
778 smb_llist_t s_xa_list;
779 smb_llist_t s_user_list;
780 smb_llist_t s_tree_list;
781
782 volatile uint32_t s_tree_cnt;
783 volatile uint32_t s_file_cnt;
784 volatile uint32_t s_dir_cnt;
785
786 char workstation[SMB_PI_MAX_HOST];
787 } mdb_smb_session_t;
788
789 static int
smb_session_exp_off_req_list(void)790 smb_session_exp_off_req_list(void)
791 {
792 int rl_off, sl_off;
793
794 /* OFFSETOF(smb_session_t, s_req_list.sl_list); */
795 GET_OFFSET(rl_off, smb_session_t, s_req_list);
796 GET_OFFSET(sl_off, smb_slist_t, sl_list);
797 return (rl_off + sl_off);
798 }
799
800 static int
smb_session_exp_off_user_list(void)801 smb_session_exp_off_user_list(void)
802 {
803 int ul_off, ll_off;
804
805 /* OFFSETOF(smb_session_t, s_user_list.ll_list); */
806 GET_OFFSET(ul_off, smb_session_t, s_user_list);
807 GET_OFFSET(ll_off, smb_llist_t, ll_list);
808 return (ul_off + ll_off);
809 }
810
811 static int
smb_session_exp_off_tree_list(void)812 smb_session_exp_off_tree_list(void)
813 {
814 int tl_off, ll_off;
815
816 /* OFFSETOF(smb_session_t, s_tree_list.ll_list); */
817 GET_OFFSET(tl_off, smb_session_t, s_tree_list);
818 GET_OFFSET(ll_off, smb_llist_t, ll_list);
819 return (tl_off + ll_off);
820 }
821
822 /*
823 * List of objects that can be expanded under a session structure.
824 */
825 static const smb_exp_t smb_session_exp[] =
826 {
827 { SMB_OPT_USER, "list",
828 smb_session_exp_off_user_list,
829 "smbuser", "smb_user"},
830 { SMB_OPT_TREE | SMB_OPT_OFILE | SMB_OPT_ODIR, "list",
831 smb_session_exp_off_tree_list,
832 "smbtree", "smb_tree"},
833 { SMB_OPT_REQUEST, "list",
834 smb_session_exp_off_req_list,
835 "smbreq", "smb_request"},
836 { 0 }
837 };
838
839 static void
smbsess_help(void)840 smbsess_help(void)
841 {
842 mdb_printf(
843 "Display the contents of smb_session_t, with optional"
844 " filtering.\n\n");
845 (void) mdb_dec_indent(2);
846 mdb_printf("%<b>OPTIONS%</b>\n");
847 (void) mdb_inc_indent(2);
848 mdb_printf(
849 "-v\tDisplay verbose smb_session information\n"
850 "-r\tDisplay the list of smb requests attached\n"
851 "-u\tDisplay the list of users attached\n");
852 }
853
854 /*
855 * ::smbsess
856 *
857 * smbsess dcmd - Print out the smb_session structure.
858 */
859 static int
smbsess_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)860 smbsess_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
861 {
862 uint_t opts;
863 ulong_t indent = 0;
864
865 if (smb_dcmd_getopt(&opts, argc, argv))
866 return (DCMD_USAGE);
867
868 if (!(flags & DCMD_ADDRSPEC)) {
869 opts |= SMB_OPT_SESSION;
870 opts &= ~SMB_OPT_SERVER;
871 return (smb_obj_list("smb_session", opts, flags));
872 }
873
874 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_SESSION)) ||
875 !(opts & SMB_OPT_WALK)) {
876 char cipaddr[INET6_ADDRSTRLEN];
877 char lipaddr[INET6_ADDRSTRLEN];
878 int ipaddrstrlen = INET6_ADDRSTRLEN;
879 mdb_smb_session_t *se;
880 char state[40];
881
882 indent = SMB_DCMD_INDENT;
883
884 se = mdb_zalloc(sizeof (*se), UM_SLEEP | UM_GC);
885 if (mdb_ctf_vread(se, SMBSRV_SCOPE "smb_session_t",
886 "mdb_smb_session_t", addr, 0) < 0) {
887 mdb_warn("failed to read smb_session at %p", addr);
888 return (DCMD_ERR);
889 }
890
891 get_enum(state, sizeof (state),
892 "smb_session_state_t", se->s_state,
893 "SMB_SESSION_STATE_");
894
895 smb_inaddr_ntop((smb_inaddr_t *)&se->ipaddr,
896 cipaddr, ipaddrstrlen);
897 smb_inaddr_ntop((smb_inaddr_t *)&se->local_ipaddr,
898 lipaddr, ipaddrstrlen);
899
900 if (opts & SMB_OPT_VERBOSE) {
901 mdb_printf("%<b>%<u>SMB session information "
902 "(%p): %</u>%</b>\n", addr);
903 mdb_printf("Client IP address: %s %d\n",
904 cipaddr, se->s_remote_port);
905 mdb_printf("Local IP Address: %s %d\n",
906 lipaddr, se->s_local_port);
907 mdb_printf("Session KID: %u\n", se->s_kid);
908 mdb_printf("Workstation Name: %s\n",
909 se->workstation);
910 mdb_printf("Session state: %u (%s)\n", se->s_state,
911 state);
912 mdb_printf("Session dialect: %#x\n", se->dialect);
913 mdb_printf("Number of Users: %u\n",
914 se->s_user_list.ll_count);
915 mdb_printf("Number of Trees: %u\n", se->s_tree_cnt);
916 mdb_printf("Number of Files: %u\n", se->s_file_cnt);
917 mdb_printf("Number of Shares: %u\n", se->s_dir_cnt);
918 mdb_printf("Number of active Transact.: %u\n\n",
919 se->s_xa_list.ll_count);
920 } else {
921 /*
922 * Use a reasonable mininum field width for the
923 * IP addr so the summary (usually) won't wrap.
924 */
925 int ipwidth = 22;
926
927 if (DCMD_HDRSPEC(flags)) {
928 mdb_printf(
929 "%<b>%<u>%-?s %-*s %-8s %-8s %-12s%</u>%</b>\n",
930 "SESSION", ipwidth, "IP_ADDR",
931 "PORT", "DIALECT", "STATE");
932 }
933 mdb_printf("%-?p %-*s %-8d %-8#x %s\n",
934 addr, ipwidth, cipaddr,
935 se->s_remote_port, se->dialect, state);
936 }
937 }
938 if (smb_obj_expand(addr, opts, smb_session_exp, indent))
939 return (DCMD_ERR);
940
941 return (DCMD_OK);
942 }
943
944 /*
945 * *****************************************************************************
946 * **************************** smb_request_t **********************************
947 * *****************************************************************************
948 */
949
950 typedef struct mdb_smb_request {
951 smb_req_state_t sr_state;
952 smb_session_t *session;
953 struct mbuf_chain command;
954 struct mbuf_chain reply;
955
956 unsigned char first_smb_com;
957 unsigned char smb_com;
958
959 uint16_t smb_tid;
960 uint32_t smb_pid;
961 uint16_t smb_uid;
962 uint16_t smb_mid;
963 uint16_t smb_fid;
964
965 uint16_t smb2_cmd_code;
966 uint64_t smb2_messageid;
967 uint64_t smb2_ssnid;
968
969 struct smb_tree *tid_tree;
970 struct smb_ofile *fid_ofile;
971 smb_user_t *uid_user;
972
973 kthread_t *sr_worker;
974 hrtime_t sr_time_submitted;
975 hrtime_t sr_time_active;
976 hrtime_t sr_time_start;
977
978 } mdb_smb_request_t;
979
980 #define SMB_REQUEST_BANNER \
981 "%<b>%<u>%-?s %-14s %-?s %-16s %-16s%</u>%</b>\n"
982 #define SMB_REQUEST_FORMAT \
983 "%-?p 0x%-12llx %-?p %-16s %s\n"
984
985 /*
986 * ::smbreq
987 *
988 * smbreq dcmd - Print out smb_request_t
989 */
990 static int
smbreq_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)991 smbreq_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
992 {
993 uint_t opts;
994
995 if (smb_dcmd_getopt(&opts, argc, argv))
996 return (DCMD_USAGE);
997
998 if (!(flags & DCMD_ADDRSPEC)) {
999 opts |= SMB_OPT_REQUEST;
1000 opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_USER);
1001 return (smb_obj_list("smb_request", opts, flags));
1002 }
1003
1004 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_REQUEST)) ||
1005 !(opts & SMB_OPT_WALK)) {
1006 mdb_smb_request_t *sr;
1007 char state[40];
1008 const char *cur_cmd_name;
1009 uint_t cur_cmd_code;
1010 uint64_t msg_id;
1011
1012 sr = mdb_zalloc(sizeof (*sr), UM_SLEEP | UM_GC);
1013 if (mdb_ctf_vread(sr, SMBSRV_SCOPE "smb_request_t",
1014 "mdb_smb_request_t", addr, 0) < 0) {
1015 mdb_warn("failed to read smb_request at %p", addr);
1016 return (DCMD_ERR);
1017 }
1018
1019 get_enum(state, sizeof (state),
1020 "smb_req_state_t", sr->sr_state,
1021 "SMB_REQ_STATE_");
1022
1023 if (sr->smb2_cmd_code != 0) {
1024 /* SMB2 request */
1025 cur_cmd_code = sr->smb2_cmd_code;
1026 if (cur_cmd_code > SMB2_INVALID_CMD)
1027 cur_cmd_code = SMB2_INVALID_CMD;
1028 cur_cmd_name = smb2_cmd_names[cur_cmd_code];
1029 msg_id = sr->smb2_messageid;
1030 } else {
1031 /* SMB1 request */
1032 cur_cmd_code = sr->smb_com & 0xFF;
1033 cur_cmd_name = smb_com[cur_cmd_code].smb_com;
1034 msg_id = sr->smb_mid;
1035 }
1036
1037 if (opts & SMB_OPT_VERBOSE) {
1038 mdb_printf(
1039 "%</b>%</u>SMB request information (%p):"
1040 "%</u>%</b>\n\n", addr);
1041
1042 if (sr->smb2_cmd_code == 0) {
1043 /* SMB1 request */
1044 mdb_printf(
1045 "first SMB COM: %u (%s)\n",
1046 sr->first_smb_com,
1047 smb_com[sr->first_smb_com].smb_com);
1048 }
1049
1050 mdb_printf(
1051 "current SMB COM: %u (%s)\n",
1052 cur_cmd_code, cur_cmd_name);
1053
1054 mdb_printf(
1055 "state: %u (%s)\n",
1056 sr->sr_state, state);
1057
1058 if (sr->smb2_ssnid != 0) {
1059 mdb_printf(
1060 "SSNID(user): 0x%llx (%p)\n",
1061 sr->smb2_ssnid, sr->uid_user);
1062 } else {
1063 mdb_printf(
1064 "UID(user): %u (%p)\n",
1065 sr->smb_uid, sr->uid_user);
1066 }
1067
1068 mdb_printf(
1069 "TID(tree): %u (%p)\n",
1070 sr->smb_tid, sr->tid_tree);
1071
1072 mdb_printf(
1073 "FID(file): %u (%p)\n",
1074 sr->smb_fid, sr->fid_ofile);
1075
1076 mdb_printf(
1077 "PID: %u\n",
1078 sr->smb_pid);
1079
1080 mdb_printf(
1081 "MID: 0x%llx\n",
1082 msg_id);
1083
1084 /*
1085 * Note: mdb_gethrtime() is only available in kmdb
1086 */
1087 #ifdef _KERNEL
1088 if (sr->sr_time_submitted != 0) {
1089 uint64_t waiting = 0;
1090 uint64_t running = 0;
1091
1092 if (sr->sr_time_active != 0) {
1093 waiting = sr->sr_time_active -
1094 sr->sr_time_submitted;
1095 running = mdb_gethrtime() -
1096 sr->sr_time_active;
1097 } else {
1098 waiting = mdb_gethrtime() -
1099 sr->sr_time_submitted;
1100 }
1101 waiting /= NANOSEC;
1102 running /= NANOSEC;
1103
1104 mdb_printf(
1105 "waiting time: %lld\n",
1106 waiting);
1107
1108 mdb_printf(
1109 "running time: %lld\n",
1110 running);
1111 }
1112 #endif /* _KERNEL */
1113
1114 mdb_printf(
1115 "worker thread: %p\n",
1116 sr->sr_worker);
1117 if (sr->sr_worker != NULL) {
1118 smb_worker_findstack((uintptr_t)sr->sr_worker);
1119 }
1120 } else {
1121 if (DCMD_HDRSPEC(flags))
1122 mdb_printf(
1123 SMB_REQUEST_BANNER,
1124 "REQUEST",
1125 "MSG_ID",
1126 "WORKER",
1127 "STATE",
1128 "COMMAND");
1129
1130 mdb_printf(
1131 SMB_REQUEST_FORMAT,
1132 addr,
1133 msg_id,
1134 sr->sr_worker,
1135 state,
1136 cur_cmd_name);
1137 }
1138 }
1139 return (DCMD_OK);
1140 }
1141
1142 static void
smbreq_dump_help(void)1143 smbreq_dump_help(void)
1144 {
1145 mdb_printf(
1146 "Dump the network data for an smb_request_t, either"
1147 " command, reply, or (by default) both. Optionally"
1148 " append data to a pcap file (mdb only, not kmdb).\n\n");
1149 (void) mdb_dec_indent(2);
1150 mdb_printf("%<b>OPTIONS%</b>\n");
1151 (void) mdb_inc_indent(2);
1152 mdb_printf(
1153 "-c\tDump only the SMB command message\n"
1154 "-r\tDump only the SMB reply message (if present)\n"
1155 "-o FILE\tOutput to FILE (append) in pcap format\n");
1156 }
1157
1158 #define SMB_RDOPT_COMMAND 1
1159 #define SMB_RDOPT_REPLY 2
1160 #define SMB_RDOPT_OUTFILE 4
1161
1162 /*
1163 * Like "smbreq" but just dump the command/reply messages.
1164 * With the output file option, append to a pcap file.
1165 */
1166 static int
smbreq_dump_dcmd(uintptr_t rqaddr,uint_t flags,int argc,const mdb_arg_t * argv)1167 smbreq_dump_dcmd(uintptr_t rqaddr, uint_t flags, int argc,
1168 const mdb_arg_t *argv)
1169 {
1170 mdb_smb_session_t *ssn;
1171 mdb_smb_request_t *sr;
1172 char *outfile = NULL;
1173 dump_func_t dump_func;
1174 uint64_t msgid;
1175 uintptr_t ssnaddr;
1176 uint_t opts = 0;
1177 int rc = DCMD_OK;
1178
1179 if (!(flags & DCMD_ADDRSPEC))
1180 return (DCMD_USAGE);
1181
1182 if (mdb_getopts(argc, argv,
1183 'c', MDB_OPT_SETBITS, SMB_RDOPT_COMMAND, &opts,
1184 'r', MDB_OPT_SETBITS, SMB_RDOPT_REPLY, &opts,
1185 'o', MDB_OPT_STR, &outfile,
1186 NULL) != argc)
1187 return (DCMD_USAGE);
1188 #ifdef _KMDB
1189 if (outfile != NULL) {
1190 mdb_warn("smbreq_dump -o option not supported in kmdb\n");
1191 return (DCMD_ERR);
1192 }
1193 #endif /* _KMDB */
1194
1195 /*
1196 * Default without -c or -r is to dump both.
1197 */
1198 if ((opts & (SMB_RDOPT_COMMAND | SMB_RDOPT_REPLY)) == 0)
1199 opts |= SMB_RDOPT_COMMAND | SMB_RDOPT_REPLY;
1200
1201 /*
1202 * Get the smb_request_t, for the cmd/reply messages.
1203 */
1204 sr = mdb_zalloc(sizeof (*sr), UM_SLEEP | UM_GC);
1205 if (mdb_ctf_vread(sr, SMBSRV_SCOPE "smb_request_t",
1206 "mdb_smb_request_t", rqaddr, 0) < 0) {
1207 mdb_warn("failed to read smb_request at %p", rqaddr);
1208 return (DCMD_ERR);
1209 }
1210
1211 /*
1212 * Get the session too, for the IP addresses & ports.
1213 */
1214 ssnaddr = (uintptr_t)sr->session;
1215 ssn = mdb_zalloc(sizeof (*ssn), UM_SLEEP | UM_GC);
1216 if (mdb_ctf_vread(ssn, SMBSRV_SCOPE "smb_session_t",
1217 "mdb_smb_session_t", ssnaddr, 0) < 0) {
1218 mdb_warn("failed to read smb_request at %p", ssnaddr);
1219 return (DCMD_ERR);
1220 }
1221
1222 #ifndef _KMDB
1223 if (outfile != NULL) {
1224 rc = smbsrv_pcap_open(outfile);
1225 if (rc != DCMD_OK)
1226 return (rc);
1227 dump_func = smbsrv_pcap_dump;
1228 } else
1229 #endif /* _KMDB */
1230 {
1231 dump_func = smb_req_dump;
1232 }
1233
1234 if (sr->smb2_messageid != 0)
1235 msgid = sr->smb2_messageid;
1236 else
1237 msgid = sr->smb_mid;
1238 mdb_printf("Dumping request %-?p, Msg_ID 0x%llx\n",
1239 rqaddr, msgid);
1240
1241 if (opts & SMB_RDOPT_COMMAND) {
1242 /*
1243 * Dump the command, length=max_bytes
1244 * src=remote, dst=local
1245 */
1246 rc = dump_func(&sr->command, sr->command.max_bytes,
1247 (smb_inaddr_t *)&ssn->ipaddr, ssn->s_remote_port,
1248 (smb_inaddr_t *)&ssn->local_ipaddr, ssn->s_local_port,
1249 sr->sr_time_submitted, B_FALSE);
1250 }
1251
1252 if ((opts & SMB_RDOPT_REPLY) != 0 &&
1253 rc == DCMD_OK) {
1254 /*
1255 * Dump the reply, length=chain_offset
1256 * src=local, dst=remote
1257 */
1258 rc = dump_func(&sr->reply, sr->reply.chain_offset,
1259 (smb_inaddr_t *)&ssn->local_ipaddr, ssn->s_local_port,
1260 (smb_inaddr_t *)&ssn->ipaddr, ssn->s_remote_port,
1261 sr->sr_time_start, B_TRUE);
1262 }
1263
1264 #ifndef _KMDB
1265 if (outfile != NULL) {
1266 smbsrv_pcap_close();
1267 }
1268 #endif
1269
1270 return (DCMD_OK);
1271 }
1272
1273 struct req_dump_state {
1274 int32_t rem_len;
1275 };
1276
1277 static int
smb_req_dump(struct mbuf_chain * mbc,int32_t smb_len,smb_inaddr_t * src_ip,uint16_t src_port,smb_inaddr_t * dst_ip,uint16_t dst_port,hrtime_t rqtime,boolean_t is_reply)1278 smb_req_dump(struct mbuf_chain *mbc, int32_t smb_len,
1279 smb_inaddr_t *src_ip, uint16_t src_port,
1280 smb_inaddr_t *dst_ip, uint16_t dst_port,
1281 hrtime_t rqtime, boolean_t is_reply)
1282 {
1283 char src_buf[INET6_ADDRSTRLEN];
1284 char dst_buf[INET6_ADDRSTRLEN];
1285 struct req_dump_state dump_state;
1286 _NOTE(ARGUNUSED(rqtime));
1287
1288 if (smb_len < 4)
1289 return (DCMD_OK);
1290 if (mbc->chain == NULL)
1291 return (DCMD_ERR);
1292
1293 smb_inaddr_ntop(src_ip, src_buf, sizeof (src_buf));
1294 smb_inaddr_ntop(dst_ip, dst_buf, sizeof (dst_buf));
1295
1296 mdb_printf("%-8s SRC: %s/%u DST: %s/%u LEN: %u\n",
1297 (is_reply) ? "Reply:" : "Call:",
1298 src_buf, src_port, dst_buf, dst_port, smb_len);
1299
1300 /*
1301 * Calling "smb_mbuf_dump" with a wrapper function
1302 * so we can set its length arg, and decrement
1303 * req_dump_state.rem_len as it goes.
1304 */
1305 dump_state.rem_len = smb_len;
1306 if (mdb_pwalk("smb_mbuf_walker", smb_req_dump_m,
1307 &dump_state, (uintptr_t)mbc->chain) == -1) {
1308 mdb_warn("cannot walk smb_req mbuf_chain");
1309 return (DCMD_ERR);
1310 }
1311 return (DCMD_OK);
1312 }
1313
1314 static int
smb_req_dump_m(uintptr_t m_addr,const void * data,void * arg)1315 smb_req_dump_m(uintptr_t m_addr, const void *data, void *arg)
1316 {
1317 struct req_dump_state *st = arg;
1318 const struct mbuf *m = data;
1319 mdb_arg_t argv;
1320 int cnt;
1321
1322 cnt = st->rem_len;
1323 if (cnt > m->m_len)
1324 cnt = m->m_len;
1325 if (cnt <= 0)
1326 return (WALK_DONE);
1327
1328 argv.a_type = MDB_TYPE_IMMEDIATE;
1329 argv.a_un.a_val = cnt;
1330 if (mdb_call_dcmd("smb_mbuf_dump", m_addr, 0, 1, &argv) < 0) {
1331 mdb_warn("%p::smb_mbuf_dump failed\n", m_addr);
1332 return (WALK_ERR);
1333 }
1334
1335 st->rem_len -= cnt;
1336 return (WALK_NEXT);
1337 }
1338
1339 /*
1340 * *****************************************************************************
1341 * ****************************** smb_user_t ***********************************
1342 * *****************************************************************************
1343 */
1344 typedef struct mdb_smb_user {
1345 smb_user_state_t u_state;
1346
1347 struct smb_server *u_server;
1348 smb_session_t *u_session;
1349
1350 uint16_t u_name_len;
1351 char *u_name;
1352 uint16_t u_domain_len;
1353 char *u_domain;
1354 time_t u_logon_time;
1355 cred_t *u_cred;
1356 cred_t *u_privcred;
1357
1358 uint64_t u_ssnid;
1359 uint32_t u_refcnt;
1360 uint32_t u_flags;
1361 uint32_t u_privileges;
1362 uint16_t u_uid;
1363 } mdb_smb_user_t;
1364
1365 static const mdb_bitmask_t
1366 user_flag_bits[] = {
1367 { "ANON",
1368 SMB_USER_FLAG_ANON,
1369 SMB_USER_FLAG_ANON },
1370 { "GUEST",
1371 SMB_USER_FLAG_GUEST,
1372 SMB_USER_FLAG_GUEST },
1373 { "POWER_USER",
1374 SMB_USER_FLAG_POWER_USER,
1375 SMB_USER_FLAG_POWER_USER },
1376 { "BACKUP_OP",
1377 SMB_USER_FLAG_BACKUP_OPERATOR,
1378 SMB_USER_FLAG_BACKUP_OPERATOR },
1379 { "ADMIN",
1380 SMB_USER_FLAG_ADMIN,
1381 SMB_USER_FLAG_ADMIN },
1382 { NULL, 0, 0 }
1383 };
1384
1385 static const mdb_bitmask_t
1386 user_priv_bits[] = {
1387 /*
1388 * Old definitions of these bits, for when we're
1389 * looking at an older core file. These happen to
1390 * have no overlap with the current definitions.
1391 */
1392 { "TAKE_OWNER", 1, 1 },
1393 { "BACKUP", 2, 2 },
1394 { "RESTORE", 4, 4 },
1395 { "SECURITY", 8, 8 },
1396 /*
1397 * Current definitions
1398 */
1399 { "SECURITY",
1400 SMB_USER_PRIV_SECURITY,
1401 SMB_USER_PRIV_SECURITY },
1402 { "TAKE_OWNER",
1403 SMB_USER_PRIV_TAKE_OWNERSHIP,
1404 SMB_USER_PRIV_TAKE_OWNERSHIP },
1405 { "BACKUP",
1406 SMB_USER_PRIV_BACKUP,
1407 SMB_USER_PRIV_BACKUP },
1408 { "RESTORE",
1409 SMB_USER_PRIV_RESTORE,
1410 SMB_USER_PRIV_RESTORE },
1411 { "CHANGE_NOTIFY",
1412 SMB_USER_PRIV_CHANGE_NOTIFY,
1413 SMB_USER_PRIV_CHANGE_NOTIFY },
1414 { "READ_FILE",
1415 SMB_USER_PRIV_READ_FILE,
1416 SMB_USER_PRIV_READ_FILE },
1417 { "WRITE_FILE",
1418 SMB_USER_PRIV_WRITE_FILE,
1419 SMB_USER_PRIV_WRITE_FILE },
1420 { NULL, 0, 0 }
1421 };
1422
1423 static void
smbuser_help(void)1424 smbuser_help(void)
1425 {
1426 mdb_printf(
1427 "Display the contents of smb_user_t, with optional filtering.\n\n");
1428 (void) mdb_dec_indent(2);
1429 mdb_printf("%<b>OPTIONS%</b>\n");
1430 (void) mdb_inc_indent(2);
1431 mdb_printf(
1432 "-v\tDisplay verbose smb_user information\n");
1433 }
1434
1435 static int
smbuser_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)1436 smbuser_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1437 {
1438 uint_t opts;
1439
1440 if (smb_dcmd_getopt(&opts, argc, argv))
1441 return (DCMD_USAGE);
1442
1443 if (!(flags & DCMD_ADDRSPEC)) {
1444 opts |= SMB_OPT_USER;
1445 opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST);
1446 return (smb_obj_list("smb_user", opts, flags));
1447 }
1448
1449 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_USER)) ||
1450 !(opts & SMB_OPT_WALK)) {
1451 mdb_smb_user_t *user;
1452 char *account;
1453
1454 user = mdb_zalloc(sizeof (*user), UM_SLEEP | UM_GC);
1455 if (mdb_ctf_vread(user, SMBSRV_SCOPE "smb_user_t",
1456 "mdb_smb_user_t", addr, 0) < 0) {
1457 mdb_warn("failed to read smb_user at %p", addr);
1458 return (DCMD_ERR);
1459 }
1460 account = mdb_zalloc(user->u_domain_len + user->u_name_len + 2,
1461 UM_SLEEP | UM_GC);
1462
1463 if (user->u_domain_len)
1464 (void) mdb_vread(account, user->u_domain_len,
1465 (uintptr_t)user->u_domain);
1466
1467 strcat(account, "\\");
1468
1469 if (user->u_name_len)
1470 (void) mdb_vread(account + strlen(account),
1471 user->u_name_len, (uintptr_t)user->u_name);
1472
1473 if (opts & SMB_OPT_VERBOSE) {
1474 char state[40];
1475
1476 get_enum(state, sizeof (state),
1477 "smb_user_state_t", user->u_state,
1478 "SMB_USER_STATE_");
1479
1480 mdb_printf("%<b>%<u>SMB user information (%p):"
1481 "%</u>%</b>\n", addr);
1482 mdb_printf("UID: %u\n", user->u_uid);
1483 mdb_printf("SSNID: %llx\n", user->u_ssnid);
1484 mdb_printf("State: %d (%s)\n", user->u_state, state);
1485 mdb_printf("Flags: 0x%08x <%b>\n", user->u_flags,
1486 user->u_flags, user_flag_bits);
1487 mdb_printf("Privileges: 0x%08x <%b>\n",
1488 user->u_privileges,
1489 user->u_privileges, user_priv_bits);
1490 mdb_printf("Credential: %p\n", user->u_cred);
1491 mdb_printf("Reference Count: %d\n", user->u_refcnt);
1492 mdb_printf("User Account: %s\n\n", account);
1493 } else {
1494 if (DCMD_HDRSPEC(flags))
1495 mdb_printf(
1496 "%<b>%<u>%?-s "
1497 "%-5s "
1498 "%-16s "
1499 "%-32s%</u>%</b>\n",
1500 "USER", "UID", "SSNID", "ACCOUNT");
1501
1502 mdb_printf("%-?p %-5u %-16llx %-32s\n",
1503 addr, user->u_uid, user->u_ssnid, account);
1504 }
1505 }
1506 return (DCMD_OK);
1507 }
1508
1509 /*
1510 * *****************************************************************************
1511 * ****************************** smb_tree_t ***********************************
1512 * *****************************************************************************
1513 */
1514
1515 typedef struct mdb_smb_tree {
1516 smb_tree_state_t t_state;
1517
1518 smb_node_t *t_snode;
1519 smb_lavl_t t_ofile_list;
1520 smb_llist_t t_odir_list;
1521
1522 uint32_t t_refcnt;
1523 uint32_t t_flags;
1524 int32_t t_res_type;
1525 uint16_t t_tid;
1526 uint16_t t_umask;
1527 char t_sharename[MAXNAMELEN];
1528 char t_resource[MAXPATHLEN];
1529 char t_typename[SMB_TYPENAMELEN];
1530 char t_volume[SMB_VOLNAMELEN];
1531 } mdb_smb_tree_t;
1532
1533 static int
smb_tree_exp_off_ofile_avl(void)1534 smb_tree_exp_off_ofile_avl(void)
1535 {
1536 int tf_off, la_off;
1537
1538 /* OFFSETOF(smb_tree_t, t_ofile_list.ll_list); */
1539 GET_OFFSET(tf_off, smb_tree_t, t_ofile_list);
1540 GET_OFFSET(la_off, smb_lavl_t, la_tree);
1541 return (tf_off + la_off);
1542 }
1543
1544 static int
smb_tree_exp_off_odir_list(void)1545 smb_tree_exp_off_odir_list(void)
1546 {
1547 int td_off, ll_off;
1548
1549 /* OFFSETOF(smb_tree_t, t_odir_list.ll_list); */
1550 GET_OFFSET(td_off, smb_tree_t, t_odir_list);
1551 GET_OFFSET(ll_off, smb_llist_t, ll_list);
1552 return (td_off + ll_off);
1553 }
1554
1555 /*
1556 * List of objects that can be expanded under a tree structure.
1557 */
1558 static const smb_exp_t smb_tree_exp[] =
1559 {
1560 { SMB_OPT_OFILE, "avl",
1561 smb_tree_exp_off_ofile_avl,
1562 "smbofile", "smb_ofile"},
1563 { SMB_OPT_ODIR, "list",
1564 smb_tree_exp_off_odir_list,
1565 "smbodir", "smb_odir"},
1566 { 0 }
1567 };
1568
1569 static const mdb_bitmask_t
1570 tree_flag_bits[] = {
1571 { "RO",
1572 SMB_TREE_READONLY,
1573 SMB_TREE_READONLY },
1574 { "ACLS",
1575 SMB_TREE_SUPPORTS_ACLS,
1576 SMB_TREE_SUPPORTS_ACLS },
1577 { "STREAMS",
1578 SMB_TREE_STREAMS,
1579 SMB_TREE_STREAMS },
1580 { "CI",
1581 SMB_TREE_CASEINSENSITIVE,
1582 SMB_TREE_CASEINSENSITIVE },
1583 { "NO_CS",
1584 SMB_TREE_NO_CASESENSITIVE,
1585 SMB_TREE_NO_CASESENSITIVE },
1586 { "NO_EXPORT",
1587 SMB_TREE_NO_EXPORT,
1588 SMB_TREE_NO_EXPORT },
1589 { "OPLOCKS",
1590 SMB_TREE_OPLOCKS,
1591 SMB_TREE_OPLOCKS },
1592 { "SHORTNAMES",
1593 SMB_TREE_SHORTNAMES,
1594 SMB_TREE_SHORTNAMES },
1595 { "XVATTR",
1596 SMB_TREE_XVATTR,
1597 SMB_TREE_XVATTR },
1598 { "DIRENTFLAGS",
1599 SMB_TREE_DIRENTFLAGS,
1600 SMB_TREE_DIRENTFLAGS },
1601 { "ACL_CR",
1602 SMB_TREE_ACLONCREATE,
1603 SMB_TREE_ACLONCREATE },
1604 { "ACEMASK",
1605 SMB_TREE_ACEMASKONACCESS,
1606 SMB_TREE_ACEMASKONACCESS },
1607 { "NFS_MNT",
1608 SMB_TREE_NFS_MOUNTED,
1609 SMB_TREE_NFS_MOUNTED },
1610 { "UNICODE",
1611 SMB_TREE_UNICODE_ON_DISK,
1612 SMB_TREE_UNICODE_ON_DISK },
1613 { "CATIA",
1614 SMB_TREE_CATIA,
1615 SMB_TREE_CATIA },
1616 { "ABE",
1617 SMB_TREE_ABE,
1618 SMB_TREE_ABE },
1619 { "QUOTA",
1620 SMB_TREE_QUOTA,
1621 SMB_TREE_QUOTA },
1622 { "DFSROOT",
1623 SMB_TREE_DFSROOT,
1624 SMB_TREE_DFSROOT },
1625 { "SPARSE",
1626 SMB_TREE_SPARSE,
1627 SMB_TREE_SPARSE },
1628 { "XMOUNTS",
1629 SMB_TREE_TRAVERSE_MOUNTS,
1630 SMB_TREE_TRAVERSE_MOUNTS },
1631 { "FORCE_L2_OPLOCK",
1632 SMB_TREE_FORCE_L2_OPLOCK,
1633 SMB_TREE_FORCE_L2_OPLOCK },
1634 { "CA",
1635 SMB_TREE_CA,
1636 SMB_TREE_CA },
1637 { NULL, 0, 0 }
1638 };
1639
1640 static void
smbtree_help(void)1641 smbtree_help(void)
1642 {
1643 mdb_printf(
1644 "Display the contents of smb_tree_t, with optional filtering.\n\n");
1645 (void) mdb_dec_indent(2);
1646 mdb_printf("%<b>OPTIONS%</b>\n");
1647 (void) mdb_inc_indent(2);
1648 mdb_printf(
1649 "-v\tDisplay verbose smb_tree information\n"
1650 "-d\tDisplay the list of smb_odirs attached\n"
1651 "-f\tDisplay the list of smb_ofiles attached\n");
1652 }
1653
1654 static int
smbtree_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)1655 smbtree_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1656 {
1657 uint_t opts;
1658 ulong_t indent = 0;
1659
1660 if (smb_dcmd_getopt(&opts, argc, argv))
1661 return (DCMD_USAGE);
1662
1663 if (!(flags & DCMD_ADDRSPEC)) {
1664 opts |= SMB_OPT_TREE;
1665 opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST |
1666 SMB_OPT_USER);
1667 return (smb_obj_list("smb_tree", opts, flags));
1668 }
1669
1670 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_TREE)) ||
1671 !(opts & SMB_OPT_WALK)) {
1672 mdb_smb_tree_t *tree;
1673
1674 indent = SMB_DCMD_INDENT;
1675
1676 tree = mdb_zalloc(sizeof (*tree), UM_SLEEP | UM_GC);
1677 if (mdb_ctf_vread(tree, SMBSRV_SCOPE "smb_tree_t",
1678 "mdb_smb_tree_t", addr, 0) < 0) {
1679 mdb_warn("failed to read smb_tree at %p", addr);
1680 return (DCMD_ERR);
1681 }
1682 if (opts & SMB_OPT_VERBOSE) {
1683 char state[40];
1684
1685 get_enum(state, sizeof (state),
1686 "smb_tree_state_t", tree->t_state,
1687 "SMB_TREE_STATE_");
1688
1689 mdb_printf("%<b>%<u>SMB tree information (%p):"
1690 "%</u>%</b>\n\n", addr);
1691 mdb_printf("TID: %04x\n", tree->t_tid);
1692 mdb_printf("State: %d (%s)\n", tree->t_state, state);
1693 mdb_printf("Share: %s\n", tree->t_sharename);
1694 mdb_printf("Resource: %s\n", tree->t_resource);
1695 mdb_printf("Type: %s\n", tree->t_typename);
1696 mdb_printf("Volume: %s\n", tree->t_volume);
1697 mdb_printf("Umask: %04x\n", tree->t_umask);
1698 mdb_printf("Flags: %08x <%b>\n", tree->t_flags,
1699 tree->t_flags, tree_flag_bits);
1700 mdb_printf("SMB Node: %llx\n", tree->t_snode);
1701 mdb_printf("Reference Count: %d\n\n", tree->t_refcnt);
1702 } else {
1703 if (DCMD_HDRSPEC(flags))
1704 mdb_printf(
1705 "%<b>%<u>%-?s %-5s %-16s %-32s%</u>%</b>\n",
1706 "TREE", "TID", "SHARE NAME", "RESOURCE");
1707
1708 mdb_printf("%-?p %-5u %-16s %-32s\n", addr,
1709 tree->t_tid, tree->t_sharename, tree->t_resource);
1710 }
1711 }
1712 if (smb_obj_expand(addr, opts, smb_tree_exp, indent))
1713 return (DCMD_ERR);
1714 return (DCMD_OK);
1715 }
1716
1717 /*
1718 * *****************************************************************************
1719 * ****************************** smb_odir_t ***********************************
1720 * *****************************************************************************
1721 */
1722
1723 typedef struct mdb_smb_odir {
1724 smb_odir_state_t d_state;
1725 smb_session_t *d_session;
1726 smb_user_t *d_user;
1727 smb_tree_t *d_tree;
1728 smb_node_t *d_dnode;
1729 uint16_t d_odid;
1730 uint32_t d_refcnt;
1731 char d_pattern[MAXNAMELEN];
1732 } mdb_smb_odir_t;
1733
1734 static int
smbodir_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)1735 smbodir_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1736 {
1737 uint_t opts;
1738
1739 if (smb_dcmd_getopt(&opts, argc, argv))
1740 return (DCMD_USAGE);
1741
1742 if (!(flags & DCMD_ADDRSPEC)) {
1743 opts |= SMB_OPT_ODIR;
1744 opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST |
1745 SMB_OPT_USER | SMB_OPT_TREE | SMB_OPT_OFILE);
1746 return (smb_obj_list("smb_odir", opts, flags));
1747 }
1748
1749 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_ODIR)) ||
1750 !(opts & SMB_OPT_WALK)) {
1751 mdb_smb_odir_t *od;
1752
1753 od = mdb_zalloc(sizeof (*od), UM_SLEEP | UM_GC);
1754 if (mdb_ctf_vread(od, SMBSRV_SCOPE "smb_odir_t",
1755 "mdb_smb_odir_t", addr, 0) < 0) {
1756 mdb_warn("failed to read smb_odir at %p", addr);
1757 return (DCMD_ERR);
1758 }
1759 if (opts & SMB_OPT_VERBOSE) {
1760 char state[40];
1761
1762 get_enum(state, sizeof (state),
1763 "smb_odir_state_t", od->d_state,
1764 "SMB_ODIR_STATE_");
1765
1766 mdb_printf(
1767 "%<b>%<u>SMB odir information (%p):%</u>%</b>\n\n",
1768 addr);
1769 mdb_printf("State: %d (%s)\n", od->d_state, state);
1770 mdb_printf("SID: %u\n", od->d_odid);
1771 mdb_printf("User: %p\n", od->d_user);
1772 mdb_printf("Tree: %p\n", od->d_tree);
1773 mdb_printf("Reference Count: %d\n", od->d_refcnt);
1774 mdb_printf("Pattern: %s\n", od->d_pattern);
1775 mdb_printf("SMB Node: %p\n\n", od->d_dnode);
1776 } else {
1777 if (DCMD_HDRSPEC(flags))
1778 mdb_printf(
1779 "%<b>%<u>%-?s "
1780 "%-5s "
1781 "%-?s "
1782 "%-16s%</u>%</b>\n",
1783 "ODIR", "SID", "VNODE", "PATTERN");
1784
1785 mdb_printf("%?p %-5u %-16p %s\n",
1786 addr, od->d_odid, od->d_dnode, od->d_pattern);
1787 }
1788 }
1789 return (DCMD_OK);
1790 }
1791
1792 /*
1793 * *****************************************************************************
1794 * ****************************** smb_ofile_t **********************************
1795 * *****************************************************************************
1796 */
1797
1798 typedef struct mdb_smb_ofile {
1799 smb_ofile_state_t f_state;
1800
1801 struct smb_server *f_server;
1802 smb_session_t *f_session;
1803 smb_user_t *f_user;
1804 smb_tree_t *f_tree;
1805 smb_node_t *f_node;
1806 smb_odir_t *f_odir;
1807 smb_opipe_t *f_pipe;
1808
1809 uint32_t f_uniqid;
1810 uint32_t f_refcnt;
1811 uint32_t f_flags;
1812 uint32_t f_granted_access;
1813 uint32_t f_share_access;
1814
1815 uint16_t f_fid;
1816 uint16_t f_ftype;
1817 uint64_t f_llf_pos;
1818 int f_mode;
1819 cred_t *f_cr;
1820 pid_t f_pid;
1821 uintptr_t f_lease;
1822 smb_dh_vers_t dh_vers;
1823 } mdb_smb_ofile_t;
1824
1825 static const mdb_bitmask_t
1826 ofile_flag_bits[] = {
1827 { "RO", 1, 1 }, /* old SMB_OFLAGS_READONLY */
1828 { "EXEC",
1829 SMB_OFLAGS_EXECONLY,
1830 SMB_OFLAGS_EXECONLY },
1831 { "DELETE",
1832 SMB_OFLAGS_SET_DELETE_ON_CLOSE,
1833 SMB_OFLAGS_SET_DELETE_ON_CLOSE },
1834 { "POS_VALID",
1835 SMB_OFLAGS_LLF_POS_VALID,
1836 SMB_OFLAGS_LLF_POS_VALID },
1837 { NULL, 0, 0}
1838 };
1839
1840 static const mdb_bitmask_t
1841 smb_sharemode_bits[] = {
1842 { "READ",
1843 FILE_SHARE_READ,
1844 FILE_SHARE_READ },
1845 { "WRITE",
1846 FILE_SHARE_WRITE,
1847 FILE_SHARE_WRITE },
1848 { "DELETE",
1849 FILE_SHARE_DELETE,
1850 FILE_SHARE_DELETE },
1851 { NULL, 0, 0}
1852 };
1853
1854 static int
smbofile_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)1855 smbofile_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1856 {
1857 uint_t opts;
1858
1859 if (smb_dcmd_getopt(&opts, argc, argv))
1860 return (DCMD_USAGE);
1861
1862 if (!(flags & DCMD_ADDRSPEC)) {
1863 opts |= SMB_OPT_OFILE;
1864 opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST |
1865 SMB_OPT_USER | SMB_OPT_TREE | SMB_OPT_ODIR);
1866 return (smb_obj_list("smb_ofile", opts, flags));
1867 }
1868
1869 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_OFILE)) ||
1870 !(opts & SMB_OPT_WALK)) {
1871 mdb_smb_ofile_t *of;
1872
1873 of = mdb_zalloc(sizeof (*of), UM_SLEEP | UM_GC);
1874 if (mdb_ctf_vread(of, SMBSRV_SCOPE "smb_ofile_t",
1875 "mdb_smb_ofile_t", addr, 0) < 0) {
1876 mdb_warn("failed to read smb_ofile at %p", addr);
1877 return (DCMD_ERR);
1878 }
1879 if (opts & SMB_OPT_VERBOSE) {
1880 char state[40];
1881 char durable[40];
1882
1883 get_enum(state, sizeof (state),
1884 "smb_ofile_state_t", of->f_state,
1885 "SMB_OFILE_STATE_");
1886
1887 get_enum(durable, sizeof (durable),
1888 "smb_dh_vers_t", of->dh_vers,
1889 "SMB2_");
1890
1891 mdb_printf(
1892 "%<b>%<u>SMB ofile information (%p):%</u>%</b>\n\n",
1893 addr);
1894 mdb_printf("FID: %u\n", of->f_fid);
1895 mdb_printf("State: %d (%s)\n", of->f_state, state);
1896 mdb_printf("DH Type: %d (%s)\n", of->dh_vers,
1897 durable);
1898 mdb_printf("Lease: %p\n", of->f_lease);
1899 mdb_printf("SMB Node: %p\n", of->f_node);
1900 mdb_printf("LLF Offset: 0x%llx (%s)\n",
1901 of->f_llf_pos,
1902 ((of->f_flags & SMB_OFLAGS_LLF_POS_VALID) ?
1903 "Valid" : "Invalid"));
1904 mdb_printf("Flags: 0x%08x <%b>\n", of->f_flags,
1905 of->f_flags, ofile_flag_bits);
1906 mdb_printf("Granted Acc.: 0x%08x <%b>\n",
1907 of->f_granted_access,
1908 of->f_granted_access, nt_access_bits);
1909 mdb_printf("Share Mode: 0x%08x <%b>\n",
1910 of->f_share_access,
1911 of->f_share_access, smb_sharemode_bits);
1912 mdb_printf("User: %p\n", of->f_user);
1913 mdb_printf("Tree: %p\n", of->f_tree);
1914 mdb_printf("Credential: %p\n\n", of->f_cr);
1915 } else {
1916 if (DCMD_HDRSPEC(flags))
1917 mdb_printf(
1918 "%<b>%<u>%-?s "
1919 "%-5s "
1920 "%-?s "
1921 "%-?s "
1922 "%-?s "
1923 "%</u>%</b>\n",
1924 "OFILE",
1925 "FID",
1926 "NODE",
1927 "CRED",
1928 "LEASE");
1929
1930 mdb_printf("%?p %-5u %-p %-p %-p\n", addr,
1931 of->f_fid, of->f_node, of->f_cr, of->f_lease);
1932 }
1933 }
1934 return (DCMD_OK);
1935 }
1936
1937 static int
smbdurable_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)1938 smbdurable_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1939 {
1940 mdb_smb_server_t *sv;
1941
1942 if (!(flags & DCMD_ADDRSPEC)) {
1943 mdb_printf("require address of an smb_server_t\n");
1944 return (WALK_ERR);
1945 }
1946
1947 sv = mdb_zalloc(sizeof (*sv), UM_SLEEP | UM_GC);
1948 if (mdb_ctf_vread(sv, SMBSRV_SCOPE "smb_server_t",
1949 "mdb_smb_server_t", addr, 0) < 0) {
1950 mdb_warn("failed to read smb_server at %p", addr);
1951 return (DCMD_ERR);
1952 }
1953
1954 if (mdb_pwalk_dcmd("smb_hash_walker", "smbofile",
1955 argc, argv, (uintptr_t)sv->sv_persistid_ht) == -1) {
1956 mdb_warn("failed to walk 'smb_ofile'");
1957 return (DCMD_ERR);
1958 }
1959 return (DCMD_OK);
1960 }
1961
1962 static int
smb_hash_walk_init(mdb_walk_state_t * wsp)1963 smb_hash_walk_init(mdb_walk_state_t *wsp)
1964 {
1965 smb_hash_t hash;
1966 int ll_off, sll_off, i;
1967 uintptr_t addr = wsp->walk_addr;
1968
1969 if (addr == 0) {
1970 mdb_printf("require address of an smb_hash_t\n");
1971 return (WALK_ERR);
1972 }
1973
1974 GET_OFFSET(sll_off, smb_bucket_t, b_list);
1975 GET_OFFSET(ll_off, smb_llist_t, ll_list);
1976
1977 if (mdb_vread(&hash, sizeof (hash), addr) == -1) {
1978 mdb_warn("failed to read smb_hash_t at %p", addr);
1979 return (WALK_ERR);
1980 }
1981
1982 for (i = 0; i < hash.num_buckets; i++) {
1983 wsp->walk_addr = (uintptr_t)hash.buckets +
1984 (i * sizeof (smb_bucket_t)) + sll_off + ll_off;
1985 if (mdb_layered_walk("list", wsp) == -1) {
1986 mdb_warn("failed to walk 'list'");
1987 return (WALK_ERR);
1988 }
1989 }
1990
1991 return (WALK_NEXT);
1992 }
1993
1994 static int
smb_hash_walk_step(mdb_walk_state_t * wsp)1995 smb_hash_walk_step(mdb_walk_state_t *wsp)
1996 {
1997 return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
1998 wsp->walk_cbdata));
1999 }
2000
2001 static int
smbhashstat_cb(uintptr_t addr,const void * data,void * varg)2002 smbhashstat_cb(uintptr_t addr, const void *data, void *varg)
2003 {
2004 _NOTE(ARGUNUSED(varg))
2005 const smb_bucket_t *bucket = data;
2006
2007 mdb_printf("%-?p ", addr); /* smb_bucket_t */
2008 mdb_printf("%-6u ", bucket->b_list.ll_count);
2009 mdb_printf("%-16u", bucket->b_max_seen);
2010 mdb_printf("%-u\n", (bucket->b_list.ll_wrop +
2011 bucket->b_list.ll_count) / 2);
2012 return (WALK_NEXT);
2013 }
2014
2015 static int
smbhashstat_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)2016 smbhashstat_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2017 {
2018 _NOTE(ARGUNUSED(argc, argv))
2019 if (!(flags & DCMD_ADDRSPEC)) {
2020 mdb_printf("require address of an smb_hash_t\n");
2021 return (DCMD_USAGE);
2022 }
2023
2024 if (DCMD_HDRSPEC(flags)) {
2025 mdb_printf(
2026 "%<b>%<u>"
2027 "%-?s "
2028 "%-6s "
2029 "%-16s"
2030 "%-s"
2031 "%</u>%</b>\n",
2032 "smb_bucket_t", "count", "largest seen", "inserts");
2033 }
2034
2035 if (mdb_pwalk("smb_hashstat_walker", smbhashstat_cb,
2036 NULL, addr) == -1) {
2037 mdb_warn("failed to walk 'smb_ofile'");
2038 return (DCMD_ERR);
2039 }
2040 return (DCMD_OK);
2041 }
2042
2043 typedef struct smb_hash_wd {
2044 smb_bucket_t *bucket;
2045 smb_bucket_t *end;
2046 } smb_hash_wd_t;
2047
2048 static int
smb_hashstat_walk_init(mdb_walk_state_t * wsp)2049 smb_hashstat_walk_init(mdb_walk_state_t *wsp)
2050 {
2051 int sll_off, ll_off;
2052 smb_hash_t hash;
2053 smb_bucket_t *buckets;
2054 uintptr_t addr = wsp->walk_addr;
2055 uint32_t arr_sz;
2056 smb_hash_wd_t *wd;
2057
2058 if (addr == 0) {
2059 mdb_printf("require address of an smb_hash_t\n");
2060 return (WALK_ERR);
2061 }
2062
2063 GET_OFFSET(sll_off, smb_bucket_t, b_list);
2064 GET_OFFSET(ll_off, smb_llist_t, ll_list);
2065
2066 if (mdb_vread(&hash, sizeof (hash), addr) == -1) {
2067 mdb_warn("failed to read smb_hash_t at %p", addr);
2068 return (WALK_ERR);
2069 }
2070
2071 arr_sz = hash.num_buckets * sizeof (smb_bucket_t);
2072 buckets = mdb_alloc(arr_sz, UM_SLEEP | UM_GC);
2073 if (mdb_vread(buckets, arr_sz, (uintptr_t)hash.buckets) == -1) {
2074 mdb_warn("failed to read smb_bucket_t array at %p",
2075 hash.buckets);
2076 return (WALK_ERR);
2077 }
2078
2079 wd = mdb_alloc(sizeof (*wd), UM_SLEEP | UM_GC);
2080 wd->bucket = buckets;
2081 wd->end = buckets + hash.num_buckets;
2082
2083 wsp->walk_addr = (uintptr_t)hash.buckets;
2084 wsp->walk_data = wd;
2085
2086 return (WALK_NEXT);
2087 }
2088
2089 static int
smb_hashstat_walk_step(mdb_walk_state_t * wsp)2090 smb_hashstat_walk_step(mdb_walk_state_t *wsp)
2091 {
2092 int rc;
2093 smb_hash_wd_t *wd = wsp->walk_data;
2094
2095 if (wd->bucket >= wd->end)
2096 return (WALK_DONE);
2097
2098 rc = wsp->walk_callback(wsp->walk_addr, wd->bucket++,
2099 wsp->walk_cbdata);
2100
2101 wsp->walk_addr += sizeof (smb_bucket_t);
2102 return (rc);
2103 }
2104
2105 /*
2106 * smbsrv_leases
2107 */
2108 static int
smbsrv_leases_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)2109 smbsrv_leases_dcmd(uintptr_t addr, uint_t flags, int argc,
2110 const mdb_arg_t *argv)
2111 {
2112 uint_t opts;
2113 int ht_off;
2114 uintptr_t ht_addr;
2115
2116 if (smb_dcmd_getopt(&opts, argc, argv))
2117 return (DCMD_USAGE);
2118
2119 if (!(flags & DCMD_ADDRSPEC)) {
2120 mdb_printf("require address of an smb_server_t\n");
2121 return (DCMD_USAGE);
2122 }
2123
2124 ht_off = mdb_ctf_offsetof_by_name("smb_server_t", "sv_lease_ht");
2125 if (ht_off < 0) {
2126 mdb_warn("No .sv_lease_ht in server (old kernel?)");
2127 return (DCMD_ERR);
2128 }
2129 addr += ht_off;
2130
2131 if (mdb_vread(&ht_addr, sizeof (ht_addr), addr) <= 0) {
2132 mdb_warn("failed to read server .sv_lease_ht");
2133 return (DCMD_ERR);
2134 }
2135
2136 if (mdb_pwalk_dcmd("smb_hash_walker", "smblease",
2137 argc, argv, ht_addr) == -1) {
2138 mdb_warn("failed to walk 'smb_lease'");
2139 return (DCMD_ERR);
2140 }
2141 return (DCMD_OK);
2142 }
2143
2144 typedef struct mdb_smb_lease {
2145 struct smb_node *ls_node;
2146 uint32_t ls_refcnt;
2147 uint32_t ls_state;
2148 uint16_t ls_epoch;
2149 uint8_t ls_key[SMB_LEASE_KEY_SZ];
2150 } mdb_smb_lease_t;
2151
2152 static const mdb_bitmask_t oplock_bits[];
2153
2154 static int
smblease_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)2155 smblease_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2156 {
2157 mdb_smb_lease_t *ls;
2158 uint_t opts;
2159 int i;
2160
2161 if (smb_dcmd_getopt(&opts, argc, argv))
2162 return (DCMD_USAGE);
2163
2164 if (!(flags & DCMD_ADDRSPEC)) {
2165 mdb_printf("require address of an smb_lease_t\n");
2166 return (DCMD_USAGE);
2167 }
2168
2169 if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_OFILE)) ||
2170 !(opts & SMB_OPT_WALK)) {
2171
2172 ls = mdb_zalloc(sizeof (*ls), UM_SLEEP | UM_GC);
2173 if (mdb_ctf_vread(ls, SMBSRV_SCOPE "smb_lease_t",
2174 "mdb_smb_lease_t", addr, 0) < 0) {
2175 mdb_warn("failed to read smb_lease_t at %p", addr);
2176 return (DCMD_ERR);
2177 }
2178 if (opts & SMB_OPT_VERBOSE) {
2179
2180 mdb_printf(
2181 "%<b>%<u>SMB lease (%p):%</u>%</b>\n\n", addr);
2182
2183 mdb_printf("SMB Node: %p\n", ls->ls_node);
2184 mdb_printf("Refcount: %u\n", ls->ls_refcnt);
2185 mdb_printf("Epoch: %u\n", ls->ls_epoch);
2186 mdb_printf("State: 0x%x <%b>\n",
2187 ls->ls_state, ls->ls_state, oplock_bits);
2188
2189 mdb_printf("Key: [");
2190 for (i = 0; i < SMB_LEASE_KEY_SZ; i++) {
2191 mdb_printf(" %02x", ls->ls_key[i] & 0xFF);
2192 if ((i & 3) == 3)
2193 mdb_printf(" ");
2194 }
2195 mdb_printf(" ]\n");
2196 } else {
2197 if (DCMD_HDRSPEC(flags))
2198 mdb_printf(
2199 "%<b>%<u>"
2200 "%-?s %-?s %-?s %-?s"
2201 "%</u>%</b>\n",
2202 "LEASE", "SMB NODE", "STATE", "KEY");
2203
2204 mdb_printf("%?p ", addr);
2205 mdb_printf("%-?p ", ls->ls_node);
2206 mdb_printf("%#-?x ", ls->ls_state);
2207
2208 mdb_printf("[");
2209 for (i = 0; i < 8; i++) {
2210 mdb_printf(" %02x", ls->ls_key[i] & 0xFF);
2211 }
2212 mdb_printf(" ...]\n");
2213 }
2214 }
2215
2216 return (DCMD_OK);
2217 }
2218
2219 /*
2220 * *****************************************************************************
2221 * ******************************** smb_kshare_t *******************************
2222 * *****************************************************************************
2223 */
2224
2225 struct smb_kshare_cb_args {
2226 uint_t opts;
2227 char name[MAXNAMELEN];
2228 char path[MAXPATHLEN];
2229 };
2230
2231 static int
smb_kshare_cb(uintptr_t addr,const void * data,void * varg)2232 smb_kshare_cb(uintptr_t addr, const void *data, void *varg)
2233 {
2234 struct smb_kshare_cb_args *args = varg;
2235 const smb_kshare_t *shr = data;
2236
2237 if (args->opts & SMB_OPT_VERBOSE) {
2238 mdb_arg_t argv;
2239
2240 argv.a_type = MDB_TYPE_STRING;
2241 argv.a_un.a_str = "smb_kshare_t";
2242 /* Don't fail the walk if this fails. */
2243 mdb_printf("%-?p ", addr);
2244 mdb_call_dcmd("print", addr, 0, 1, &argv);
2245 return (WALK_NEXT);
2246 }
2247
2248 /*
2249 * Summary line for an smb_kshare_t
2250 * Don't fail the walk if any of these fail.
2251 *
2252 * Get the shr_name and shr_path strings.
2253 */
2254 if (mdb_readstr(args->name, sizeof (args->name),
2255 (uintptr_t)shr->shr_name) <= 0)
2256 strcpy(args->name, "?");
2257
2258 if (mdb_readstr(args->path, sizeof (args->path),
2259 (uintptr_t)shr->shr_path) <= 0)
2260 strcpy(args->path, "?");
2261
2262 mdb_printf("%-?p ", addr); /* smb_kshare_t */
2263 mdb_printf("%-16s ", args->name);
2264 mdb_printf("%-s\n", args->path);
2265
2266 return (WALK_NEXT);
2267 }
2268
2269 /*
2270 * ::smbshare
2271 *
2272 * smbshare dcmd - Print out smb_kshare structures.
2273 * requires addr of an smb_server_t
2274 */
2275 /*ARGSUSED*/
2276 static int
smbshare_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)2277 smbshare_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2278 {
2279 struct smb_kshare_cb_args *args;
2280
2281 args = mdb_zalloc(sizeof (*args), UM_SLEEP | UM_GC);
2282 if (mdb_getopts(argc, argv,
2283 'v', MDB_OPT_SETBITS, SMB_OPT_VERBOSE, &args->opts,
2284 NULL) != argc)
2285 return (DCMD_USAGE);
2286
2287 if (!(flags & DCMD_ADDRSPEC))
2288 return (DCMD_USAGE);
2289
2290 if (DCMD_HDRSPEC(flags)) {
2291 if ((args->opts & SMB_OPT_VERBOSE) != 0) {
2292 mdb_printf("%<b>%<u>SMB kshares list:%</u>%</b>\n");
2293 } else {
2294 mdb_printf(
2295 "%<b>%<u>"
2296 "%-?s "
2297 "%-16s "
2298 "%-s"
2299 "%</u>%</b>\n",
2300 "smb_kshare_t", "name", "path");
2301 }
2302 }
2303
2304 if (mdb_pwalk("smbshare_walker", smb_kshare_cb, args, addr) == -1) {
2305 mdb_warn("cannot walk smb_kshare avl");
2306 return (DCMD_ERR);
2307 }
2308
2309 return (DCMD_OK);
2310 }
2311
2312 /*
2313 * Initialize the smb_kshare_t walker to point to the smb_export
2314 * in the specified smb_server_t instance. (no global walks)
2315 */
2316 static int
smb_kshare_walk_init(mdb_walk_state_t * wsp)2317 smb_kshare_walk_init(mdb_walk_state_t *wsp)
2318 {
2319 int sv_exp_off, ex_sha_off, avl_tr_off;
2320
2321 if (wsp->walk_addr == 0) {
2322 mdb_printf("require address of an smb_server_t\n");
2323 return (WALK_ERR);
2324 }
2325
2326 /*
2327 * Using CTF to get the equivalent of:
2328 * OFFSETOF(smb_server_t, sv_export.e_share_avl.avl_tree);
2329 */
2330 GET_OFFSET(sv_exp_off, smb_server_t, sv_export);
2331 GET_OFFSET(ex_sha_off, smb_export_t, e_share_avl);
2332 GET_OFFSET(avl_tr_off, smb_avl_t, avl_tree);
2333 wsp->walk_addr += (sv_exp_off + ex_sha_off + avl_tr_off);
2334
2335 if (mdb_layered_walk("avl", wsp) == -1) {
2336 mdb_warn("failed to walk list of smb_kshare_t");
2337 return (WALK_ERR);
2338 }
2339
2340 return (WALK_NEXT);
2341 }
2342
2343 static int
smb_kshare_walk_step(mdb_walk_state_t * wsp)2344 smb_kshare_walk_step(mdb_walk_state_t *wsp)
2345 {
2346 return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
2347 wsp->walk_cbdata));
2348 }
2349
2350 /*
2351 * *****************************************************************************
2352 * ******************************** smb_vfs_t **********************************
2353 * *****************************************************************************
2354 */
2355
2356 typedef struct mdb_smb_vfs {
2357 list_node_t sv_lnd;
2358 uint32_t sv_magic;
2359 uint32_t sv_refcnt;
2360 vfs_t *sv_vfsp;
2361 vnode_t *sv_rootvp;
2362 } mdb_smb_vfs_t;
2363
2364 struct smb_vfs_cb_args {
2365 uint_t opts;
2366 vnode_t vn;
2367 char path[MAXPATHLEN];
2368 };
2369
2370 /*ARGSUSED*/
2371 static int
smb_vfs_cb(uintptr_t addr,const void * data,void * varg)2372 smb_vfs_cb(uintptr_t addr, const void *data, void *varg)
2373 {
2374 struct smb_vfs_cb_args *args = varg;
2375 mdb_smb_vfs_t sf;
2376
2377 if (args->opts & SMB_OPT_VERBOSE) {
2378 mdb_arg_t argv;
2379
2380 argv.a_type = MDB_TYPE_STRING;
2381 argv.a_un.a_str = "smb_vfs_t";
2382 /* Don't fail the walk if this fails. */
2383 mdb_printf("%-?p ", addr);
2384 mdb_call_dcmd("print", addr, 0, 1, &argv);
2385 return (WALK_NEXT);
2386 }
2387
2388 /*
2389 * Summary line for an smb_vfs_t
2390 * Don't fail the walk if any of these fail.
2391 *
2392 * Get the vnode v_path string if we can.
2393 */
2394 if (mdb_ctf_vread(&sf, SMBSRV_SCOPE "smb_vfs_t",
2395 "mdb_smb_vfs_t", addr, 0) < 0) {
2396 mdb_warn("failed to read struct smb_vfs at %p", addr);
2397 return (DCMD_ERR);
2398 }
2399 strcpy(args->path, "?");
2400 if (mdb_vread(&args->vn, sizeof (args->vn),
2401 (uintptr_t)sf.sv_rootvp) == sizeof (args->vn))
2402 (void) mdb_readstr(args->path, sizeof (args->path),
2403 (uintptr_t)args->vn.v_path);
2404
2405 mdb_printf("%-?p ", addr);
2406 mdb_printf("%-10d ", sf.sv_refcnt);
2407 mdb_printf("%-?p ", sf.sv_vfsp);
2408 mdb_printf("%-?p ", sf.sv_rootvp);
2409 mdb_printf("%-s\n", args->path);
2410
2411 return (WALK_NEXT);
2412 }
2413
2414 /*
2415 * ::smbvfs
2416 *
2417 * smbvfs dcmd - Prints out smb_vfs structures.
2418 * requires addr of an smb_server_t
2419 */
2420 /*ARGSUSED*/
2421 static int
smbvfs_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)2422 smbvfs_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2423 {
2424 struct smb_vfs_cb_args *args;
2425
2426 args = mdb_zalloc(sizeof (*args), UM_SLEEP | UM_GC);
2427 if (mdb_getopts(argc, argv,
2428 'v', MDB_OPT_SETBITS, SMB_OPT_VERBOSE, &args->opts,
2429 NULL) != argc)
2430 return (DCMD_USAGE);
2431
2432 if (!(flags & DCMD_ADDRSPEC))
2433 return (DCMD_USAGE);
2434
2435 if (DCMD_HDRSPEC(flags)) {
2436 if ((args->opts & SMB_OPT_VERBOSE) != 0) {
2437 mdb_printf("%<b>%<u>SMB VFS list:%</u>%</b>\n");
2438 } else {
2439 mdb_printf(
2440 "%<b>%<u>"
2441 "%-?s "
2442 "%-10s "
2443 "%-16s "
2444 "%-16s"
2445 "%-s"
2446 "%</u>%</b>\n",
2447 "SMB_VFS", "REFCNT", "VFS", "VNODE", "ROOT");
2448 }
2449 }
2450
2451 if (mdb_pwalk("smbvfs_walker", smb_vfs_cb, args, addr) == -1) {
2452 mdb_warn("cannot walk smb_vfs list");
2453 return (DCMD_ERR);
2454 }
2455
2456 return (DCMD_OK);
2457 }
2458
2459 /*
2460 * Initialize the smb_vfs_t walker to point to the smb_export
2461 * in the specified smb_server_t instance. (no global walks)
2462 */
2463 static int
smb_vfs_walk_init(mdb_walk_state_t * wsp)2464 smb_vfs_walk_init(mdb_walk_state_t *wsp)
2465 {
2466 int sv_exp_off, ex_vfs_off, ll_off;
2467
2468 if (wsp->walk_addr == 0) {
2469 mdb_printf("require address of an smb_server_t\n");
2470 return (WALK_ERR);
2471 }
2472
2473 /*
2474 * Using CTF to get the equivalent of:
2475 * OFFSETOF(smb_server_t, sv_export.e_vfs_list.ll_list);
2476 */
2477 GET_OFFSET(sv_exp_off, smb_server_t, sv_export);
2478 /* GET_OFFSET(ex_vfs_off, smb_export_t, e_vfs_list); */
2479 ex_vfs_off = mdb_ctf_offsetof_by_name("smb_export_t", "e_vfs_list");
2480 if (ex_vfs_off < 0) {
2481 mdb_warn("cannot lookup: smb_export_t .e_vfs_list");
2482 return (WALK_ERR);
2483 }
2484 GET_OFFSET(ll_off, smb_llist_t, ll_list);
2485 wsp->walk_addr += (sv_exp_off + ex_vfs_off + ll_off);
2486
2487 if (mdb_layered_walk("list", wsp) == -1) {
2488 mdb_warn("failed to walk list of smb_vfs_t");
2489 return (WALK_ERR);
2490 }
2491
2492 return (WALK_NEXT);
2493 }
2494
2495 static int
smb_vfs_walk_step(mdb_walk_state_t * wsp)2496 smb_vfs_walk_step(mdb_walk_state_t *wsp)
2497 {
2498 return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
2499 wsp->walk_cbdata));
2500 }
2501
2502 /*
2503 * *****************************************************************************
2504 * ******************************* smb_node_t **********************************
2505 * *****************************************************************************
2506 */
2507
2508 typedef struct mdb_smb_node {
2509 smb_node_state_t n_state;
2510 uint32_t n_refcnt;
2511 uint32_t n_open_count;
2512 uint32_t n_opening_count;
2513 smb_llist_t n_ofile_list;
2514 smb_llist_t n_lock_list;
2515 volatile int flags;
2516 struct smb_node *n_dnode;
2517 struct smb_node *n_unode;
2518 char od_name[MAXNAMELEN];
2519 vnode_t *vp;
2520 smb_audit_buf_node_t *n_audit_buf;
2521 /* Newer members (not in old kernels) - keep last! */
2522 smb_llist_t n_wlock_list;
2523 } mdb_smb_node_t;
2524 typedef struct mdb_smb_node_old {
2525 /* Note: MUST be layout as above! */
2526 smb_node_state_t n_state;
2527 uint32_t n_refcnt;
2528 uint32_t n_open_count;
2529 uint32_t n_opening_count;
2530 smb_llist_t n_ofile_list;
2531 smb_llist_t n_lock_list;
2532 volatile int flags;
2533 struct smb_node *n_dnode;
2534 struct smb_node *n_unode;
2535 char od_name[MAXNAMELEN];
2536 vnode_t *vp;
2537 smb_audit_buf_node_t *n_audit_buf;
2538 /* Newer members omitted from _old */
2539 } mdb_smb_node_old_t;
2540
2541 static void
smbnode_help(void)2542 smbnode_help(void)
2543 {
2544 mdb_printf(
2545 "Display the contents of smb_node_t, with optional filtering.\n\n");
2546 (void) mdb_dec_indent(2);
2547 mdb_printf("%<b>OPTIONS%</b>\n");
2548 (void) mdb_inc_indent(2);
2549 mdb_printf(
2550 "-v\tDisplay verbose smb_node information\n"
2551 "-p\tDisplay the full path of the vnode associated\n"
2552 "-s\tDisplay the stack of the last 16 calls that modified the "
2553 "reference\n\tcount\n");
2554 }
2555
2556 /*
2557 * ::smbnode
2558 *
2559 * smb_node dcmd - Print out smb_node structure.
2560 */
2561 static int
smbnode_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)2562 smbnode_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2563 {
2564 static smb_llist_t zero_llist = {0};
2565 mdb_smb_node_t node;
2566 int rc;
2567 int verbose = FALSE;
2568 int print_full_path = FALSE;
2569 int stack_trace = FALSE;
2570 int ol_cnt = 0;
2571 vnode_t vnode;
2572 char od_name[MAXNAMELEN];
2573 char path_name[1024];
2574 uintptr_t list_addr;
2575 struct mdb_smb_oplock *node_oplock;
2576
2577 if (mdb_getopts(argc, argv,
2578 'v', MDB_OPT_SETBITS, TRUE, &verbose,
2579 'p', MDB_OPT_SETBITS, TRUE, &print_full_path,
2580 's', MDB_OPT_SETBITS, TRUE, &stack_trace,
2581 NULL) != argc)
2582 return (DCMD_USAGE);
2583
2584 /*
2585 * If no smb_node address was specified on the command line, we can
2586 * print out all smb nodes by invoking the smb_node walker, using
2587 * this dcmd itself as the callback.
2588 */
2589 if (!(flags & DCMD_ADDRSPEC)) {
2590 if (mdb_walk_dcmd("smbnode_walker", "smbnode",
2591 argc, argv) == -1) {
2592 mdb_warn("failed to walk 'smb_node'");
2593 return (DCMD_ERR);
2594 }
2595 return (DCMD_OK);
2596 }
2597
2598 /*
2599 * For each smb_node, we just need to read the smb_node_t struct, read
2600 * and then print out the following fields.
2601 */
2602 if (mdb_ctf_vread(&node, SMBSRV_SCOPE "smb_node_t",
2603 "mdb_smb_node_t", addr, 0) < 0) {
2604 /*
2605 * Fall-back handling for mdb_smb_node_old_t
2606 * Should remove after a while.
2607 */
2608 if (mdb_ctf_vread(&node, SMBSRV_SCOPE "smb_node_t",
2609 "mdb_smb_node_old_t", addr, 0) < 0) {
2610 mdb_warn("failed to read struct smb_node at %p", addr);
2611 return (DCMD_ERR);
2612 }
2613 node.n_wlock_list = zero_llist;
2614 }
2615
2616 (void) mdb_snprintf(od_name, sizeof (od_name), "%s",
2617 node.od_name);
2618 if (print_full_path) {
2619 if (mdb_vread(&vnode, sizeof (vnode_t),
2620 (uintptr_t)node.vp) == sizeof (vnode_t)) {
2621 if (mdb_readstr(path_name, sizeof (path_name),
2622 (uintptr_t)vnode.v_path) <= 0) {
2623 (void) mdb_snprintf(path_name,
2624 sizeof (path_name), "N/A");
2625 }
2626 }
2627 }
2628
2629 rc = smb_node_get_oplock(addr, &node_oplock);
2630 if (rc != DCMD_OK)
2631 return (rc);
2632 ol_cnt = smb_node_oplock_cnt(node_oplock);
2633
2634 if (verbose) {
2635 int nol_off, nll_off, wll_off, ll_off;
2636
2637 GET_OFFSET(nol_off, smb_node_t, n_ofile_list);
2638 GET_OFFSET(nll_off, smb_node_t, n_lock_list);
2639 GET_OFFSET(ll_off, smb_llist_t, ll_list);
2640 /* This one is optional (for now). */
2641 /* GET_OFFSET(wll_off, smb_node_t, n_wlock_list); */
2642 wll_off = mdb_ctf_offsetof_by_name(
2643 "smb_node_t", "n_wlock_list");
2644
2645 mdb_printf("%<b>%<u>SMB node information "
2646 "(%p):%</u>%</b>\n", addr);
2647 mdb_printf("VP: %p\n", node.vp);
2648 mdb_printf("Name: %s\n", od_name);
2649 if (print_full_path)
2650 mdb_printf("V-node Path: %s\n", path_name);
2651 mdb_printf("Reference Count: %u\n", node.n_refcnt);
2652 mdb_printf("Ofiles: %u\n", node.n_ofile_list.ll_count);
2653 if (node.n_ofile_list.ll_count != 0 && nol_off != -1) {
2654 (void) mdb_inc_indent(SMB_DCMD_INDENT);
2655 list_addr = addr + nol_off + ll_off;
2656 if (mdb_pwalk_dcmd("list", "smbofile", 0,
2657 NULL, list_addr)) {
2658 mdb_warn("failed to walk node's ofiles");
2659 }
2660 (void) mdb_dec_indent(SMB_DCMD_INDENT);
2661 }
2662
2663 mdb_printf("Granted Locks: %u\n",
2664 node.n_lock_list.ll_count);
2665 if (node.n_lock_list.ll_count != 0) {
2666 (void) mdb_inc_indent(SMB_DCMD_INDENT);
2667 list_addr = addr + nll_off + ll_off;
2668 if (mdb_pwalk_dcmd("list", "smblock", 0,
2669 NULL, list_addr)) {
2670 mdb_warn("failed to walk node's granted"
2671 " locks");
2672 }
2673 (void) mdb_dec_indent(SMB_DCMD_INDENT);
2674 }
2675 mdb_printf("Waiting Locks: %u\n",
2676 node.n_wlock_list.ll_count);
2677 if (node.n_wlock_list.ll_count != 0 && wll_off != -1) {
2678 (void) mdb_inc_indent(SMB_DCMD_INDENT);
2679 list_addr = addr + wll_off + ll_off;
2680 if (mdb_pwalk_dcmd("list", "smblock", 0,
2681 NULL, list_addr)) {
2682 mdb_warn("failed to walk node's waiting"
2683 " locks");
2684 }
2685 (void) mdb_dec_indent(SMB_DCMD_INDENT);
2686 }
2687 if (ol_cnt == 0) {
2688 mdb_printf("Opportunistic Locks: (none)\n");
2689 } else {
2690 mdb_printf("Opportunistic Locks:\n");
2691 (void) mdb_inc_indent(SMB_DCMD_INDENT);
2692 /* Takes node address */
2693 rc = mdb_call_dcmd("smbnode_oplock", addr,
2694 flags, argc, argv);
2695 (void) mdb_dec_indent(SMB_DCMD_INDENT);
2696 if (rc != DCMD_OK)
2697 return (rc);
2698 }
2699 } else {
2700 if (DCMD_HDRSPEC(flags)) {
2701 mdb_printf(
2702 "%<b>%<u>%-?s "
2703 "%-?s "
2704 "%-18s "
2705 "%-6s "
2706 "%-6s "
2707 "%-8s "
2708 "%-8s "
2709 "%-6s%</u>%</b>\n",
2710 "ADDR", "VP", "NODE-NAME", "OFILES", "LOCKS",
2711 "WLOCKS", "OPLOCK", "REF");
2712 }
2713
2714 mdb_printf("%-?p %-?p %-18s %-6d %-6d %-8d %-8d %-6d ",
2715 addr, node.vp, od_name, node.n_ofile_list.ll_count,
2716 node.n_lock_list.ll_count, node.n_wlock_list.ll_count,
2717 ol_cnt, node.n_refcnt);
2718
2719 if (print_full_path)
2720 mdb_printf("\t%s\n", path_name);
2721 }
2722 if (stack_trace && node.n_audit_buf) {
2723 int ctr;
2724 smb_audit_buf_node_t *anb;
2725
2726 anb = mdb_alloc(sizeof (smb_audit_buf_node_t),
2727 UM_SLEEP | UM_GC);
2728
2729 if (mdb_vread(anb, sizeof (*anb),
2730 (uintptr_t)node.n_audit_buf) != sizeof (*anb)) {
2731 mdb_warn("failed to read audit buffer");
2732 return (DCMD_ERR);
2733 }
2734 ctr = anb->anb_max_index + 1;
2735 anb->anb_index--;
2736 anb->anb_index &= anb->anb_max_index;
2737
2738 while (ctr) {
2739 smb_audit_record_node_t *anr;
2740
2741 anr = anb->anb_records + anb->anb_index;
2742
2743 if (anr->anr_depth) {
2744 char c[MDB_SYM_NAMLEN];
2745 GElf_Sym sym;
2746 int i;
2747
2748 mdb_printf("\nRefCnt: %u\t",
2749 anr->anr_refcnt);
2750
2751 for (i = 0;
2752 i < anr->anr_depth;
2753 i++) {
2754 if (mdb_lookup_by_addr(
2755 anr->anr_stack[i],
2756 MDB_SYM_FUZZY,
2757 c, sizeof (c),
2758 &sym) == -1) {
2759 continue;
2760 }
2761 mdb_printf("%s+0x%1x",
2762 c,
2763 anr->anr_stack[i] -
2764 (uintptr_t)sym.st_value);
2765 ++i;
2766 break;
2767 }
2768
2769 while (i < anr->anr_depth) {
2770 if (mdb_lookup_by_addr(
2771 anr->anr_stack[i],
2772 MDB_SYM_FUZZY,
2773 c, sizeof (c),
2774 &sym) == -1) {
2775 ++i;
2776 continue;
2777 }
2778 mdb_printf("\n\t\t%s+0x%1x",
2779 c,
2780 anr->anr_stack[i] -
2781 (uintptr_t)sym.st_value);
2782 ++i;
2783 }
2784 mdb_printf("\n");
2785 }
2786 anb->anb_index--;
2787 anb->anb_index &= anb->anb_max_index;
2788 ctr--;
2789 }
2790 }
2791
2792 return (DCMD_OK);
2793 }
2794
2795 /*
2796 * Initialize the smb_node_t walker by reading the value of smb_node_hash_table
2797 * in the kernel's symbol table. Only global walk supported.
2798 */
2799 static int
smb_node_walk_init(mdb_walk_state_t * wsp)2800 smb_node_walk_init(mdb_walk_state_t *wsp)
2801 {
2802 GElf_Sym sym;
2803 uintptr_t node_hash_table_addr;
2804 int ll_off;
2805 int i;
2806
2807 if (wsp->walk_addr == 0) {
2808 if (mdb_lookup_by_obj(SMBSRV_OBJNAME, "smb_node_hash_table",
2809 &sym) == -1) {
2810 mdb_warn("failed to find 'smb_node_hash_table'");
2811 return (WALK_ERR);
2812 }
2813 node_hash_table_addr = (uintptr_t)sym.st_value;
2814 } else {
2815 mdb_printf("smb_node walk only supports global walks\n");
2816 return (WALK_ERR);
2817 }
2818
2819 GET_OFFSET(ll_off, smb_llist_t, ll_list);
2820
2821 for (i = 0; i < SMBND_HASH_MASK + 1; i++) {
2822 wsp->walk_addr = node_hash_table_addr +
2823 (i * sizeof (smb_llist_t)) + ll_off;
2824 if (mdb_layered_walk("list", wsp) == -1) {
2825 mdb_warn("failed to walk 'list'");
2826 return (WALK_ERR);
2827 }
2828 }
2829
2830 return (WALK_NEXT);
2831 }
2832
2833 static int
smb_node_walk_step(mdb_walk_state_t * wsp)2834 smb_node_walk_step(mdb_walk_state_t *wsp)
2835 {
2836 return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
2837 wsp->walk_cbdata));
2838 }
2839
2840 /*
2841 * *****************************************************************************
2842 * ****************************** smb_lock_t ***********************************
2843 * *****************************************************************************
2844 */
2845
2846 typedef struct mdb_smb_lock {
2847 smb_ofile_t *l_file;
2848 struct smb_lock *l_blocked_by;
2849 uint64_t l_start;
2850 uint64_t l_length;
2851 uint32_t l_pid;
2852 uint32_t l_type;
2853 uint32_t l_flags;
2854 /* Newer members (not in old kernels) - keep last! */
2855 uint32_t l_conflicts;
2856 } mdb_smb_lock_t;
2857 typedef struct mdb_smb_lock_old {
2858 /* Note: MUST be same layout as above! */
2859 smb_ofile_t *l_file;
2860 struct smb_lock *l_blocked_by;
2861 uint64_t l_start;
2862 uint64_t l_length;
2863 uint32_t l_pid;
2864 uint32_t l_type;
2865 uint32_t l_flags;
2866 /* Newer members omitted from _old */
2867 } mdb_smb_lock_old_t;
2868
2869 static int
smblock_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)2870 smblock_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2871 {
2872 mdb_smb_lock_t lock;
2873 int verbose = FALSE;
2874 char *lock_type;
2875
2876 if (mdb_getopts(argc, argv,
2877 'v', MDB_OPT_SETBITS, TRUE, &verbose,
2878 NULL) != argc)
2879 return (DCMD_USAGE);
2880
2881 /*
2882 * An smb_lock_t address must be specified.
2883 */
2884 if (!(flags & DCMD_ADDRSPEC))
2885 return (DCMD_USAGE);
2886
2887 if (mdb_ctf_vread(&lock, SMBSRV_SCOPE "smb_lock_t",
2888 "mdb_smb_lock_t", addr, 0) < 0) {
2889 /*
2890 * Fall-back handling for mdb_smb_lock_old_t
2891 * Should remove after a while.
2892 */
2893 if (mdb_ctf_vread(&lock, SMBSRV_SCOPE "smb_lock_t",
2894 "mdb_smb_lock_old_t", addr, 0) < 0) {
2895 mdb_warn("failed to read struct smb_lock at %p", addr);
2896 return (DCMD_ERR);
2897 }
2898 lock.l_conflicts = 0;
2899 }
2900
2901 switch (lock.l_type) {
2902 case SMB_LOCK_TYPE_READWRITE:
2903 lock_type = "RW";
2904 break;
2905 case SMB_LOCK_TYPE_READONLY:
2906 lock_type = "RO";
2907 break;
2908 default:
2909 lock_type = "?";
2910 break;
2911 }
2912 if (verbose) {
2913 mdb_printf("%<b>%<u>SMB lock information "
2914 "(%p):%</u>%</b>\n", addr);
2915
2916 mdb_printf("Type :\t%s (%u)\n",
2917 lock_type, lock.l_type);
2918 mdb_printf("Start :\t%llu\n",
2919 lock.l_start);
2920 mdb_printf("Length :\t%llu\n",
2921 lock.l_length);
2922 mdb_printf("OFile :\t%p\n",
2923 lock.l_file);
2924 mdb_printf("Process ID :\t%u\n",
2925 lock.l_pid);
2926 mdb_printf("Conflicts :\t%u\n",
2927 lock.l_conflicts);
2928 mdb_printf("Blocked by :\t%p\n",
2929 lock.l_blocked_by);
2930 mdb_printf("Flags :\t0x%x\n",
2931 lock.l_flags);
2932 mdb_printf("\n");
2933 } else {
2934 if (DCMD_HDRSPEC(flags)) {
2935 mdb_printf("%<u>%-?s %4s %16s %8s %9s %-?s%</u>\n",
2936 "Locks: ", "TYPE", "START", "LENGTH",
2937 "CONFLICTS", "BLOCKED-BY");
2938 }
2939 mdb_printf("%?p %4s %16llx %08llx %9u %?p",
2940 addr, lock_type, lock.l_start, lock.l_length,
2941 lock.l_conflicts, lock.l_blocked_by);
2942 }
2943
2944 return (DCMD_OK);
2945 }
2946
2947 /*
2948 * *****************************************************************************
2949 * ************************** smb_oplock_grant_t *******************************
2950 * *****************************************************************************
2951 */
2952
2953 typedef struct mdb_smb_oplock_grant {
2954 uint32_t og_state; /* latest sent to client */
2955 uint8_t onlist_II;
2956 uint8_t onlist_R;
2957 uint8_t onlist_RH;
2958 uint8_t onlist_RHBQ;
2959 uint8_t BreakingToRead;
2960 } mdb_smb_oplock_grant_t;
2961
2962 static const mdb_bitmask_t
2963 oplock_bits[] = {
2964 { "READ_CACHING",
2965 READ_CACHING,
2966 READ_CACHING },
2967 { "HANDLE_CACHING",
2968 HANDLE_CACHING,
2969 HANDLE_CACHING },
2970 { "WRITE_CACHING",
2971 WRITE_CACHING,
2972 WRITE_CACHING },
2973 { "EXCLUSIVE",
2974 EXCLUSIVE,
2975 EXCLUSIVE },
2976 { "MIXED_R_AND_RH",
2977 MIXED_R_AND_RH,
2978 MIXED_R_AND_RH },
2979 { "LEVEL_TWO_OPLOCK",
2980 LEVEL_TWO_OPLOCK,
2981 LEVEL_TWO_OPLOCK },
2982 { "LEVEL_ONE_OPLOCK",
2983 LEVEL_ONE_OPLOCK,
2984 LEVEL_ONE_OPLOCK },
2985 { "BATCH_OPLOCK",
2986 BATCH_OPLOCK,
2987 BATCH_OPLOCK },
2988 { "BREAK_TO_TWO",
2989 BREAK_TO_TWO,
2990 BREAK_TO_TWO },
2991 { "BREAK_TO_NONE",
2992 BREAK_TO_NONE,
2993 BREAK_TO_NONE },
2994 { "BREAK_TO_TWO_TO_NONE",
2995 BREAK_TO_TWO_TO_NONE,
2996 BREAK_TO_TWO_TO_NONE },
2997 { "BREAK_TO_READ_CACHING",
2998 BREAK_TO_READ_CACHING,
2999 BREAK_TO_READ_CACHING },
3000 { "BREAK_TO_HANDLE_CACHING",
3001 BREAK_TO_HANDLE_CACHING,
3002 BREAK_TO_HANDLE_CACHING },
3003 { "BREAK_TO_WRITE_CACHING",
3004 BREAK_TO_WRITE_CACHING,
3005 BREAK_TO_WRITE_CACHING },
3006 { "BREAK_TO_NO_CACHING",
3007 BREAK_TO_NO_CACHING,
3008 BREAK_TO_NO_CACHING },
3009 { "NO_OPLOCK",
3010 NO_OPLOCK,
3011 NO_OPLOCK },
3012 { NULL, 0, 0 }
3013 };
3014
3015 /*
3016 * Show smb_ofile_t oplock info
3017 * address is the ofile
3018 */
3019
3020 /*ARGSUSED*/
3021 static int
smbofile_oplock_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)3022 smbofile_oplock_dcmd(uintptr_t addr, uint_t flags, int argc,
3023 const mdb_arg_t *argv)
3024 {
3025 mdb_smb_oplock_grant_t og;
3026 int verbose = FALSE;
3027 static int og_off;
3028
3029 if (mdb_getopts(argc, argv,
3030 'v', MDB_OPT_SETBITS, TRUE, &verbose,
3031 NULL) != argc)
3032 return (DCMD_USAGE);
3033
3034 if (!(flags & DCMD_ADDRSPEC))
3035 return (DCMD_USAGE);
3036
3037 if (og_off <= 0) {
3038 og_off = mdb_ctf_offsetof_by_name(
3039 "smb_ofile_t", "f_oplock");
3040 if (og_off < 0) {
3041 mdb_warn("cannot lookup: smb_ofile_t .f_oplock");
3042 return (DCMD_ERR);
3043 }
3044 }
3045
3046 if (mdb_ctf_vread(&og, SMBSRV_SCOPE "smb_oplock_grant_t",
3047 "mdb_smb_oplock_grant_t", addr + og_off, 0) < 0) {
3048 mdb_warn("failed to read oplock grant in ofile at %p", addr);
3049 return (DCMD_ERR);
3050 }
3051
3052 if (verbose) {
3053 mdb_printf("%<b>%<u>SMB ofile (oplock_grant) "
3054 "(%p):%</u>%</b>\n", addr);
3055 mdb_printf("State: 0x%x <%b>\n",
3056 og.og_state,
3057 og.og_state,
3058 oplock_bits);
3059 mdb_printf("OnList_II: %d\n", og.onlist_II);
3060 mdb_printf("OnList_R: %d\n", og.onlist_R);
3061 mdb_printf("OnList_RH: %d\n", og.onlist_RH);
3062 mdb_printf("OnList_RHBQ: %d\n", og.onlist_RHBQ);
3063 mdb_printf("BrkToRead: %d\n", og.BreakingToRead);
3064
3065 } else {
3066
3067 if (DCMD_HDRSPEC(flags)) {
3068 mdb_printf("%<u>%-16s %-10s %-16s%</u>\n",
3069 "OFILE", "STATE", "OnList...");
3070 }
3071
3072 mdb_printf("%-16p", addr);
3073 mdb_printf(" 0x%x", og.og_state);
3074 if (og.onlist_II)
3075 mdb_printf(" II");
3076 if (og.onlist_R)
3077 mdb_printf(" R");
3078 if (og.onlist_RH)
3079 mdb_printf(" RH");
3080 if (og.onlist_RHBQ)
3081 mdb_printf(" RHBQ");
3082 if (og.BreakingToRead)
3083 mdb_printf(" BrkToRd");
3084 mdb_printf("\n");
3085 }
3086
3087 return (DCMD_OK);
3088 }
3089
3090 /*
3091 * *****************************************************************************
3092 * ***************************** smb_oplock_t **********************************
3093 * *****************************************************************************
3094 */
3095
3096 typedef struct mdb_smb_oplock {
3097 struct smb_ofile *excl_open;
3098 uint32_t ol_state;
3099 int32_t cnt_II;
3100 int32_t cnt_R;
3101 int32_t cnt_RH;
3102 int32_t cnt_RHBQ;
3103 int32_t waiters;
3104 } mdb_smb_oplock_t;
3105
3106 /*
3107 * Helpers for smbnode_dcmd and smbnode_oplock_dcmd
3108 */
3109
3110 /*
3111 * Read the smb_oplock_t part of the node
3112 * addr is the smb_node
3113 */
3114 static int
smb_node_get_oplock(uintptr_t addr,struct mdb_smb_oplock ** ol_ret)3115 smb_node_get_oplock(uintptr_t addr, struct mdb_smb_oplock **ol_ret)
3116 {
3117 mdb_smb_oplock_t *ol;
3118 static int ol_off;
3119
3120 if (ol_off <= 0) {
3121 ol_off = mdb_ctf_offsetof_by_name(
3122 "smb_node_t", "n_oplock");
3123 if (ol_off < 0) {
3124 mdb_warn("cannot lookup: smb_node_t .n_oplock");
3125 return (DCMD_ERR);
3126 }
3127 }
3128
3129 ol = mdb_alloc(sizeof (*ol), UM_SLEEP | UM_GC);
3130
3131 if (mdb_ctf_vread(ol, SMBSRV_SCOPE "smb_oplock_t",
3132 "mdb_smb_oplock_t", addr + ol_off, 0) < 0) {
3133 mdb_warn("failed to read smb_oplock in node at %p", addr);
3134 return (DCMD_ERR);
3135 }
3136
3137 *ol_ret = ol;
3138 return (DCMD_OK);
3139 }
3140
3141 /*
3142 * Return the oplock count
3143 */
3144 static int
smb_node_oplock_cnt(struct mdb_smb_oplock * ol)3145 smb_node_oplock_cnt(struct mdb_smb_oplock *ol)
3146 {
3147 int ol_cnt = 0;
3148
3149 /* Compute total oplock count. */
3150 if (ol->excl_open != NULL)
3151 ol_cnt++;
3152 ol_cnt += ol->cnt_II;
3153 ol_cnt += ol->cnt_R;
3154 ol_cnt += ol->cnt_RH;
3155
3156 return (ol_cnt);
3157 }
3158
3159 /*
3160 * Show smb_node_t oplock info, and optionally the
3161 * list of ofiles with oplocks on this node.
3162 * Address is the smb_node_t.
3163 */
3164
3165 /*ARGSUSED*/
3166 static int
smbnode_oplock_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)3167 smbnode_oplock_dcmd(uintptr_t addr, uint_t flags, int argc,
3168 const mdb_arg_t *argv)
3169 {
3170 mdb_smb_oplock_t *ol;
3171 int verbose = FALSE;
3172 int ol_cnt, rc;
3173 int fl_off, ll_off;
3174
3175 if (mdb_getopts(argc, argv,
3176 'v', MDB_OPT_SETBITS, TRUE, &verbose,
3177 NULL) != argc)
3178 return (DCMD_USAGE);
3179
3180 if (!(flags & DCMD_ADDRSPEC))
3181 return (DCMD_USAGE);
3182
3183 rc = smb_node_get_oplock(addr, &ol);
3184 if (rc != DCMD_OK)
3185 return (rc);
3186 ol_cnt = smb_node_oplock_cnt(ol);
3187
3188 if (verbose) {
3189 mdb_printf("%<b>%<u>SMB node (oplock) "
3190 "(%p):%</u>%</b>\n", addr);
3191 mdb_printf("State: 0x%x <%b>\n",
3192 ol->ol_state,
3193 ol->ol_state,
3194 oplock_bits);
3195 mdb_printf("Exclusive Open: %p\n", ol->excl_open);
3196 mdb_printf("cnt_II: %d\n", ol->cnt_II);
3197 mdb_printf("cnt_R: %d\n", ol->cnt_R);
3198 mdb_printf("cnt_RH: %d\n", ol->cnt_RH);
3199 mdb_printf("cnt_RHBQ: %d\n", ol->cnt_RHBQ);
3200 mdb_printf("waiters: %d\n", ol->waiters);
3201 } else {
3202 if (DCMD_HDRSPEC(flags)) {
3203 mdb_printf("%<u>%-16s %-10s %-16s%</u>\n",
3204 "NODE", "STATE", "OPLOCKS");
3205 }
3206 mdb_printf("%-16p 0x%x %d\n",
3207 addr, ol->ol_state, ol_cnt);
3208 }
3209
3210 if (ol_cnt == 0)
3211 return (DCMD_OK);
3212
3213 GET_OFFSET(fl_off, smb_node_t, n_ofile_list);
3214 GET_OFFSET(ll_off, smb_llist_t, ll_list);
3215
3216 (void) mdb_inc_indent(SMB_DCMD_INDENT);
3217
3218 if (mdb_pwalk_dcmd("list", "smbofile_oplock",
3219 argc, argv, addr + fl_off + ll_off)) {
3220 mdb_warn("failed to walk ofile oplocks");
3221 }
3222
3223 (void) mdb_dec_indent(SMB_DCMD_INDENT);
3224
3225 return (DCMD_OK);
3226 }
3227
3228 /*
3229 * *******************************************************************
3230 * (smb) mbuf_t
3231 *
3232 * ::smb_mbuf_dump [max_len]
3233 * dcmd to dump the data portion of an mbuf_t
3234 * stop at max_len
3235 */
3236 static int
smb_mbuf_dump_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)3237 smb_mbuf_dump_dcmd(uintptr_t addr, uint_t flags, int argc,
3238 const mdb_arg_t *argv)
3239 {
3240 struct m_hdr mh;
3241 uintptr_t mdata;
3242 int len, max_len;
3243 int dumpptr_flags;
3244
3245 if (mdb_vread(&mh, sizeof (mh), addr) < 0) {
3246 mdb_warn("failed to read mbuf at %p", addr);
3247 return (DCMD_ERR);
3248 }
3249 len = mh.mh_len;
3250 mdata = (uintptr_t)mh.mh_data;
3251
3252 if (argc > 0) {
3253 if (argv[0].a_type == MDB_TYPE_IMMEDIATE)
3254 max_len = argv[0].a_un.a_val;
3255 else
3256 max_len = mdb_strtoull(argv[0].a_un.a_str);
3257 if (len > max_len)
3258 len = max_len;
3259 }
3260 if (len <= 0)
3261 return (DCMD_OK);
3262
3263 if (DCMD_HDRSPEC(flags)) {
3264 mdb_printf("%<u>%-16s %-16s %-12s%</u>\n",
3265 "mbuf_t", "m_data", "m_len");
3266 }
3267 mdb_printf("%-16p %-16p %-12u\n",
3268 addr, mdata, mh.mh_len);
3269
3270 dumpptr_flags = MDB_DUMP_RELATIVE | MDB_DUMP_ASCII | MDB_DUMP_HEADER;
3271 if (mdb_dumpptr(mdata, len, dumpptr_flags, NULL, NULL) < 0)
3272 return (DCMD_ERR);
3273
3274 return (DCMD_OK);
3275 }
3276
3277 static int
smb_mbuf_walk_init(mdb_walk_state_t * wsp)3278 smb_mbuf_walk_init(mdb_walk_state_t *wsp)
3279 {
3280 mbuf_t *m;
3281
3282 if (wsp->walk_addr == 0) {
3283 mdb_printf("require address of an mbuf_t\n");
3284 return (WALK_ERR);
3285 }
3286 m = mdb_alloc(sizeof (*m), UM_SLEEP | UM_GC);
3287 wsp->walk_data = m;
3288 return (WALK_NEXT);
3289 }
3290
3291 static int
smb_mbuf_walk_step(mdb_walk_state_t * wsp)3292 smb_mbuf_walk_step(mdb_walk_state_t *wsp)
3293 {
3294 uintptr_t addr = wsp->walk_addr;
3295 mbuf_t *m = wsp->walk_data;
3296 int rc;
3297
3298 if (wsp->walk_addr == 0)
3299 return (WALK_DONE);
3300
3301 if (mdb_vread(m, sizeof (*m), addr) == -1) {
3302 mdb_warn("failed to read mbuf_t at %p", addr);
3303 return (WALK_ERR);
3304 }
3305
3306 rc = wsp->walk_callback(addr, m, wsp->walk_cbdata);
3307 wsp->walk_addr = (uintptr_t)m->m_next;
3308
3309 return (rc);
3310 }
3311
3312 /*
3313 * *****************************************************************************
3314 * ******************************** smb_ace_t **********************************
3315 * *****************************************************************************
3316 */
3317 static const ace_type_entry_t ace_types[ACE_TYPE_TABLEN] =
3318 {
3319 ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_ACE_TYPE),
3320 ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_ACE_TYPE),
3321 ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_ACE_TYPE),
3322 ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_ACE_TYPE),
3323 ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_COMPOUND_ACE_TYPE),
3324 ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE),
3325 ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_OBJECT_ACE_TYPE),
3326 ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE),
3327 ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE),
3328 ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_CALLBACK_ACE_TYPE),
3329 ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_CALLBACK_ACE_TYPE),
3330 ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE),
3331 ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE),
3332 ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_CALLBACK_ACE_TYPE),
3333 ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_CALLBACK_ACE_TYPE),
3334 ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE),
3335 ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE),
3336 ACE_TYPE_ENTRY(0x11),
3337 ACE_TYPE_ENTRY(0x12),
3338 ACE_TYPE_ENTRY(0x13),
3339 ACE_TYPE_ENTRY(0x14),
3340 ACE_TYPE_ENTRY(0x15),
3341 ACE_TYPE_ENTRY(0x16),
3342 ACE_TYPE_ENTRY(0x17),
3343 ACE_TYPE_ENTRY(0x18),
3344 ACE_TYPE_ENTRY(0x19),
3345 ACE_TYPE_ENTRY(0x1A),
3346 ACE_TYPE_ENTRY(0x1B),
3347 ACE_TYPE_ENTRY(0x1C),
3348 ACE_TYPE_ENTRY(0x1D),
3349 ACE_TYPE_ENTRY(0x1E),
3350 ACE_TYPE_ENTRY(0x1F)
3351 };
3352
3353 static const mdb_bitmask_t ace_flag_bits[] = {
3354 { "OBJECT_INHERIT_ACE", OBJECT_INHERIT_ACE, OBJECT_INHERIT_ACE },
3355 { "CONTAINER_INHERIT_ACE", CONTAINER_INHERIT_ACE,
3356 CONTAINER_INHERIT_ACE },
3357 { "NO_PROPOGATE_INHERIT_ACE", NO_PROPOGATE_INHERIT_ACE,
3358 NO_PROPOGATE_INHERIT_ACE },
3359 { "INHERIT_ONLY_ACE", INHERIT_ONLY_ACE, INHERIT_ONLY_ACE },
3360 { "INHERITED_ACE", INHERITED_ACE, INHERITED_ACE },
3361 { "SUCCESSFUL_ACCESS_ACE_FLAG", SUCCESSFUL_ACCESS_ACE_FLAG,
3362 SUCCESSFUL_ACCESS_ACE_FLAG },
3363 { "FAILED_ACCESS_ACE_FLAG", FAILED_ACCESS_ACE_FLAG,
3364 FAILED_ACCESS_ACE_FLAG },
3365 { NULL, 0, 0 }
3366 };
3367
3368 /*
3369 * ::smbace
3370 */
3371 static int
smbace_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)3372 smbace_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3373 {
3374 smb_ace_t ace;
3375 int verbose = FALSE;
3376 const char *ptr;
3377 int rc;
3378
3379 if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &verbose,
3380 NULL) != argc)
3381 return (DCMD_USAGE);
3382
3383 /*
3384 * An smb_ace address is required.
3385 */
3386 if (!(flags & DCMD_ADDRSPEC))
3387 return (DCMD_USAGE);
3388
3389 if (mdb_vread(&ace, sizeof (ace), addr) != sizeof (ace)) {
3390 mdb_warn("failed to read struct smb_ace at %p", addr);
3391 return (DCMD_ERR);
3392 }
3393
3394 if (verbose) {
3395 if (ace.se_hdr.se_type < ACE_TYPE_TABLEN)
3396 ptr = ace_types[ace.se_hdr.se_type].ace_type_sting;
3397 else
3398 ptr = "Unknown";
3399
3400 mdb_printf("ACE Type: 0x%02x (%s)\n", ace.se_hdr.se_type, ptr);
3401 mdb_printf("ACE Flags: %b\n", (int)ace.se_hdr.se_flags,
3402 ace_flag_bits);
3403 mdb_printf("ACE Wire Size: 0x%04x\n", ace.se_hdr.se_bsize);
3404 mdb_printf("ACE Mask: 0x%08x\n", ace.se_mask);
3405 mdb_printf("ACE SID: ");
3406 } else {
3407 if (DCMD_HDRSPEC(flags))
3408 mdb_printf(
3409 "%<b>%<u>%?-s %-4s %-4s %-8s %s%</u>%</b>\n",
3410 "ACE", "TYPE", "FLAGS", "MASK", "SID");
3411 mdb_printf("%?p 0x%02x 0x%02x 0x%08x ", addr,
3412 ace.se_hdr.se_type, ace.se_hdr.se_flags, ace.se_mask);
3413 }
3414 rc = smb_sid_print((uintptr_t)ace.se_sid);
3415 mdb_printf("\n");
3416 return (rc);
3417 }
3418
3419 static int
smb_ace_walk_init(mdb_walk_state_t * wsp)3420 smb_ace_walk_init(mdb_walk_state_t *wsp)
3421 {
3422 int sal_off;
3423
3424 if (wsp->walk_addr == 0) {
3425 mdb_printf("smb_ace walk only supports local walks\n");
3426 return (WALK_ERR);
3427 }
3428
3429 GET_OFFSET(sal_off, smb_acl_t, sl_sorted);
3430 wsp->walk_addr += sal_off;
3431
3432 if (mdb_layered_walk("list", wsp) == -1) {
3433 mdb_warn("failed to walk list of ACEs");
3434 return (WALK_ERR);
3435 }
3436
3437 return (WALK_NEXT);
3438 }
3439
3440 static int
smb_ace_walk_step(mdb_walk_state_t * wsp)3441 smb_ace_walk_step(mdb_walk_state_t *wsp)
3442 {
3443 return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
3444 wsp->walk_cbdata));
3445 }
3446
3447 /*
3448 * *****************************************************************************
3449 * ******************************** smb_acl_t **********************************
3450 * *****************************************************************************
3451 */
3452
3453 /*
3454 * ::smbacl
3455 */
3456 static int
smbacl_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)3457 smbacl_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3458 {
3459 smb_acl_t acl;
3460
3461 /* An smb_acl address is required. */
3462 if (!(flags & DCMD_ADDRSPEC))
3463 return (DCMD_USAGE);
3464
3465 if (mdb_vread(&acl, sizeof (acl), addr) != sizeof (acl)) {
3466 mdb_warn("failed to read struct smb_acl at %p", addr);
3467 return (DCMD_ERR);
3468 }
3469
3470 mdb_printf("ACL Revision: %d\n", acl.sl_revision);
3471 mdb_printf("ACL Size on Wire: %d\n", acl.sl_bsize);
3472 mdb_printf("ACL Number of ACEs: %d\n", acl.sl_acecnt);
3473
3474 (void) mdb_inc_indent(SMB_DCMD_INDENT);
3475 if (mdb_pwalk_dcmd("smbace_walker", "smbace", argc, argv, addr)) {
3476 (void) mdb_dec_indent(SMB_DCMD_INDENT);
3477 mdb_warn("failed to walk list of ACEs for ACL %p", addr);
3478 return (DCMD_ERR);
3479 }
3480 (void) mdb_dec_indent(SMB_DCMD_INDENT);
3481 return (DCMD_OK);
3482 }
3483
3484 /*
3485 * *****************************************************************************
3486 * ********************************* smb_sd_t **********************************
3487 * *****************************************************************************
3488 */
3489
3490 /*
3491 * ::smbsd
3492 */
3493 static int
smbsd_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)3494 smbsd_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3495 {
3496 smb_sd_t sd;
3497 int rc;
3498
3499 /*
3500 * An smb_sid address is required.
3501 */
3502 if (!(flags & DCMD_ADDRSPEC))
3503 return (DCMD_USAGE);
3504
3505 if (mdb_vread(&sd, sizeof (sd), addr) != sizeof (sd)) {
3506 mdb_warn("failed to read struct smb_sd at %p", addr);
3507 return (DCMD_ERR);
3508 }
3509
3510 mdb_printf("SD Revision: %d\n", sd.sd_revision);
3511 mdb_printf("SD Control: %04x\n", sd.sd_control);
3512 if (sd.sd_control & SE_OWNER_DEFAULTED)
3513 mdb_printf("\t SE_OWNER_DEFAULTED\n");
3514 if (sd.sd_control & SE_GROUP_DEFAULTED)
3515 mdb_printf("\t SE_GROUP_DEFAULTED\n");
3516 if (sd.sd_control & SE_DACL_PRESENT)
3517 mdb_printf("\t SE_DACL_PRESENT\n");
3518 if (sd.sd_control & SE_DACL_DEFAULTED)
3519 mdb_printf("\t SE_DACL_DEFAULTED\n");
3520 if (sd.sd_control & SE_SACL_PRESENT)
3521 mdb_printf("\t SE_SACL_PRESENT\n");
3522 if (sd.sd_control & SE_SACL_DEFAULTED)
3523 mdb_printf("\t SE_SACL_DEFAULTED\n");
3524 if (sd.sd_control & SE_DACL_AUTO_INHERIT_REQ)
3525 mdb_printf("\t SE_DACL_AUTO_INHERIT_REQ\n");
3526 if (sd.sd_control & SE_SACL_AUTO_INHERIT_REQ)
3527 mdb_printf("\t SE_SACL_AUTO_INHERIT_REQ\n");
3528 if (sd.sd_control & SE_DACL_AUTO_INHERITED)
3529 mdb_printf("\t SE_DACL_AUTO_INHERITED\n");
3530 if (sd.sd_control & SE_SACL_AUTO_INHERITED)
3531 mdb_printf("\t SE_SACL_AUTO_INHERITED\n");
3532 if (sd.sd_control & SE_DACL_PROTECTED)
3533 mdb_printf("\t SE_DACL_PROTECTED\n");
3534 if (sd.sd_control & SE_SACL_PROTECTED)
3535 mdb_printf("\t SE_SACL_PROTECTED\n");
3536 if (sd.sd_control & SE_SELF_RELATIVE)
3537 mdb_printf("\t SE_SELF_RELATIVE\n");
3538
3539 mdb_printf("SID of Owner: ");
3540 rc = smb_sid_print((uintptr_t)sd.sd_owner);
3541 if (rc != DCMD_OK)
3542 return (rc);
3543 mdb_printf("\nSID of Group: ");
3544 rc = smb_sid_print((uintptr_t)sd.sd_group);
3545 if (rc != DCMD_OK)
3546 return (rc);
3547 mdb_printf("\n");
3548
3549 if (sd.sd_control & SE_SACL_PRESENT && sd.sd_sacl) {
3550 mdb_printf("%<b>%<u>System ACL%</u>%</b>\n");
3551 (void) mdb_inc_indent(SMB_DCMD_INDENT);
3552 rc = mdb_call_dcmd("smbacl", (uintptr_t)sd.sd_sacl, flags,
3553 argc, argv);
3554 (void) mdb_dec_indent(SMB_DCMD_INDENT);
3555 if (rc != DCMD_OK)
3556 return (rc);
3557 }
3558 if (sd.sd_control & SE_DACL_PRESENT && sd.sd_dacl) {
3559 mdb_printf("%<b>%<u>Discretionary ACL%</u>%</b>\n");
3560 (void) mdb_inc_indent(SMB_DCMD_INDENT);
3561 rc = mdb_call_dcmd("smbacl", (uintptr_t)sd.sd_dacl, flags,
3562 argc, argv);
3563 (void) mdb_dec_indent(SMB_DCMD_INDENT);
3564 if (rc != DCMD_OK)
3565 return (rc);
3566 }
3567
3568 return (DCMD_OK);
3569 }
3570
3571 /*
3572 * *****************************************************************************
3573 * ********************************* smb_sid_t *********************************
3574 * *****************************************************************************
3575 */
3576
3577 /*
3578 * ::smbsid
3579 */
3580 /*ARGSUSED*/
3581 static int
smbsid_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)3582 smbsid_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3583 {
3584 /*
3585 * An smb_sid address is required.
3586 */
3587 if (!(flags & DCMD_ADDRSPEC))
3588 return (DCMD_USAGE);
3589
3590 return (smb_sid_print(addr));
3591 }
3592
3593 /*
3594 * smb_sid_print
3595 */
3596 static int
smb_sid_print(uintptr_t addr)3597 smb_sid_print(uintptr_t addr)
3598 {
3599 smb_sid_t sid;
3600 smb_sid_t *psid;
3601 size_t sid_size;
3602 uint64_t authority;
3603 int ssa_off;
3604 int i;
3605
3606 GET_OFFSET(ssa_off, smb_sid_t, sid_subauth);
3607 sid_size = ssa_off;
3608
3609 if (mdb_vread(&sid, sid_size, addr) != sid_size) {
3610 mdb_warn("failed to read struct smb_sid at %p", addr);
3611 return (DCMD_ERR);
3612 }
3613
3614 sid_size += sid.sid_subauthcnt * sizeof (sid.sid_subauth[0]);
3615
3616 psid = mdb_zalloc(sid_size, UM_SLEEP | UM_GC);
3617 if (mdb_vread(psid, sid_size, addr) != sid_size) {
3618 mdb_warn("failed to read struct smb_sid at %p", addr);
3619 return (DCMD_ERR);
3620 }
3621
3622 mdb_printf("S-%d", psid->sid_revision);
3623 authority = 0;
3624 for (i = 0; i < NT_SID_AUTH_MAX; i++) {
3625 authority += ((uint64_t)psid->sid_authority[i]) <<
3626 (8 * (NT_SID_AUTH_MAX - 1) - i);
3627 }
3628 mdb_printf("-%ll", authority);
3629
3630 for (i = 0; i < psid->sid_subauthcnt; i++)
3631 mdb_printf("-%d", psid->sid_subauth[i]);
3632
3633 return (DCMD_OK);
3634 }
3635
3636 /*
3637 * *****************************************************************************
3638 * ********************************* smb_fssd_t ********************************
3639 * *****************************************************************************
3640 */
3641
3642 /*
3643 * ::smbfssd
3644 */
3645 static int
smbfssd_dcmd(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)3646 smbfssd_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3647 {
3648 smb_fssd_t fssd;
3649 int rc;
3650
3651 /*
3652 * An smb_fssd address is required.
3653 */
3654 if (!(flags & DCMD_ADDRSPEC))
3655 return (DCMD_USAGE);
3656
3657 if (mdb_vread(&fssd, sizeof (fssd), addr) != sizeof (fssd)) {
3658 mdb_warn("failed to read struct smb_fssd at %p", addr);
3659 return (DCMD_ERR);
3660 }
3661
3662 mdb_printf("FSSD secinfo: 0x%x\n", fssd.sd_secinfo);
3663 if (fssd.sd_secinfo & SMB_OWNER_SECINFO)
3664 mdb_printf("FSSD uid: %d\n", fssd.sd_uid);
3665 if (fssd.sd_secinfo & SMB_GROUP_SECINFO)
3666 mdb_printf("FSSD gid: %d\n", fssd.sd_gid);
3667 if (fssd.sd_secinfo & SMB_SACL_SECINFO && fssd.sd_zsacl) {
3668 mdb_printf("%<b>%<u>System ACL%</u>%</b>\n");
3669 (void) mdb_inc_indent(SMB_DCMD_INDENT);
3670 rc = mdb_call_dcmd("smbacl", (uintptr_t)fssd.sd_zsacl, flags,
3671 argc, argv);
3672 (void) mdb_dec_indent(SMB_DCMD_INDENT);
3673 if (rc != DCMD_OK)
3674 return (rc);
3675 }
3676 if (fssd.sd_secinfo & SMB_DACL_SECINFO && fssd.sd_zdacl) {
3677 mdb_printf("%<b>%<u>Discretionary ACL%</u>%</b>\n");
3678 (void) mdb_inc_indent(SMB_DCMD_INDENT);
3679 rc = mdb_call_dcmd("smbacl", (uintptr_t)fssd.sd_zdacl, flags,
3680 argc, argv);
3681 (void) mdb_dec_indent(SMB_DCMD_INDENT);
3682 if (rc != DCMD_OK)
3683 return (rc);
3684 }
3685
3686 return (DCMD_OK);
3687 }
3688
3689 /*
3690 * *****************************************************************************
3691 * **************************** Utility Funcions *******************************
3692 * *****************************************************************************
3693 */
3694
3695 /*
3696 * smb_dcmd_getopt
3697 *
3698 * This function analyzes the arguments passed in and sets the bit corresponding
3699 * to the options found in the opts variable.
3700 *
3701 * Return Value
3702 *
3703 * -1 An error occured during the decoding
3704 * 0 The decoding was successful
3705 */
3706 static int
smb_dcmd_getopt(uint_t * opts,int argc,const mdb_arg_t * argv)3707 smb_dcmd_getopt(uint_t *opts, int argc, const mdb_arg_t *argv)
3708 {
3709 *opts = 0;
3710
3711 if (mdb_getopts(argc, argv,
3712 's', MDB_OPT_SETBITS, SMB_OPT_SERVER, opts,
3713 'e', MDB_OPT_SETBITS, SMB_OPT_SESSION, opts,
3714 'r', MDB_OPT_SETBITS, SMB_OPT_REQUEST, opts,
3715 'u', MDB_OPT_SETBITS, SMB_OPT_USER, opts,
3716 't', MDB_OPT_SETBITS, SMB_OPT_TREE, opts,
3717 'f', MDB_OPT_SETBITS, SMB_OPT_OFILE, opts,
3718 'd', MDB_OPT_SETBITS, SMB_OPT_ODIR, opts,
3719 'w', MDB_OPT_SETBITS, SMB_OPT_WALK, opts,
3720 'v', MDB_OPT_SETBITS, SMB_OPT_VERBOSE, opts,
3721 NULL) != argc)
3722 return (-1);
3723
3724 return (0);
3725 }
3726
3727 /*
3728 * smb_dcmd_setopt
3729 *
3730 * This function set the arguments corresponding to the bits set in opts.
3731 *
3732 * Return Value
3733 *
3734 * Number of arguments set.
3735 */
3736 static int
smb_dcmd_setopt(uint_t opts,int max_argc,mdb_arg_t * argv)3737 smb_dcmd_setopt(uint_t opts, int max_argc, mdb_arg_t *argv)
3738 {
3739 int i;
3740 int argc = 0;
3741
3742 for (i = 0; i < SMB_MDB_MAX_OPTS; i++) {
3743 if ((opts & smb_opts[i].o_value) && (argc < max_argc)) {
3744 argv->a_type = MDB_TYPE_STRING;
3745 argv->a_un.a_str = smb_opts[i].o_name;
3746 argc++;
3747 argv++;
3748 }
3749 }
3750 return (argc);
3751 }
3752
3753 /*
3754 * smb_obj_expand
3755 */
3756 static int
smb_obj_expand(uintptr_t addr,uint_t opts,const smb_exp_t * x,ulong_t indent)3757 smb_obj_expand(uintptr_t addr, uint_t opts, const smb_exp_t *x, ulong_t indent)
3758 {
3759 int rc = 0;
3760 int ex_off;
3761 int argc;
3762 mdb_arg_t argv[SMB_MDB_MAX_OPTS];
3763
3764 argc = smb_dcmd_setopt(opts | SMB_OPT_WALK, SMB_MDB_MAX_OPTS, argv);
3765
3766 (void) mdb_inc_indent(indent);
3767 while (x->ex_dcmd) {
3768 if (x->ex_mask & opts) {
3769 ex_off = (x->ex_offset)();
3770 if (ex_off < 0) {
3771 mdb_warn("failed to get the list offset for %s",
3772 x->ex_name);
3773 rc = ex_off;
3774 break;
3775 }
3776
3777 rc = mdb_pwalk_dcmd(x->ex_walker, x->ex_dcmd,
3778 argc, argv, addr + ex_off);
3779
3780 if (rc) {
3781 mdb_warn("failed to walk the list of %s in %p",
3782 x->ex_name, addr + ex_off);
3783 break;
3784 }
3785 }
3786 x++;
3787 }
3788 (void) mdb_dec_indent(indent);
3789 return (rc);
3790 }
3791
3792 /*
3793 * smb_obj_list
3794 *
3795 * Function called by the DCMDs when no address is provided. It expands the
3796 * tree under the object type associated with the calling DCMD (based on the
3797 * flags passed in).
3798 *
3799 * Return Value
3800 *
3801 * DCMD_OK
3802 * DCMD_ERR
3803 */
3804 static int
smb_obj_list(const char * name,uint_t opts,uint_t flags)3805 smb_obj_list(const char *name, uint_t opts, uint_t flags)
3806 {
3807 int argc;
3808 mdb_arg_t argv[SMB_MDB_MAX_OPTS];
3809
3810 argc = smb_dcmd_setopt(opts, SMB_MDB_MAX_OPTS, argv);
3811
3812 if (mdb_call_dcmd("smblist", 0, flags, argc, argv)) {
3813 mdb_warn("failed to list %s", name);
3814 return (DCMD_ERR);
3815 }
3816 return (DCMD_OK);
3817 }
3818
3819 static int
smb_worker_findstack(uintptr_t addr)3820 smb_worker_findstack(uintptr_t addr)
3821 {
3822 char cmd[80];
3823 mdb_arg_t cmdarg;
3824
3825 mdb_inc_indent(2);
3826 mdb_snprintf(cmd, sizeof (cmd), "<.$c%d", 16);
3827 cmdarg.a_type = MDB_TYPE_STRING;
3828 cmdarg.a_un.a_str = cmd;
3829 (void) mdb_call_dcmd("findstack", addr, DCMD_ADDRSPEC, 1, &cmdarg);
3830 mdb_dec_indent(2);
3831 mdb_printf("\n");
3832 return (DCMD_OK);
3833 }
3834
3835 static void
smb_inaddr_ntop(smb_inaddr_t * ina,char * buf,size_t sz)3836 smb_inaddr_ntop(smb_inaddr_t *ina, char *buf, size_t sz)
3837 {
3838
3839 switch (ina->a_family) {
3840 case AF_INET:
3841 (void) mdb_snprintf(buf, sz, "%I", ina->a_ipv4);
3842 break;
3843 case AF_INET6:
3844 (void) mdb_snprintf(buf, sz, "%N", &ina->a_ipv6);
3845 break;
3846 default:
3847 (void) mdb_snprintf(buf, sz, "(?)");
3848 break;
3849 }
3850 }
3851
3852 /*
3853 * Get the name for an enum value
3854 */
3855 static void
get_enum(char * out,size_t size,const char * type_str,int val,const char * prefix)3856 get_enum(char *out, size_t size, const char *type_str, int val,
3857 const char *prefix)
3858 {
3859 mdb_ctf_id_t type_id;
3860 const char *cp;
3861
3862 if (mdb_ctf_lookup_by_name(type_str, &type_id) != 0)
3863 goto errout;
3864 if (mdb_ctf_type_resolve(type_id, &type_id) != 0)
3865 goto errout;
3866 if ((cp = mdb_ctf_enum_name(type_id, val)) == NULL)
3867 goto errout;
3868 if (prefix != NULL) {
3869 size_t len = strlen(prefix);
3870 if (strncmp(cp, prefix, len) == 0)
3871 cp += len;
3872 }
3873 (void) strncpy(out, cp, size);
3874 return;
3875
3876 errout:
3877 mdb_snprintf(out, size, "? (%d)", val);
3878 }
3879
3880 /*
3881 * MDB module linkage information:
3882 *
3883 * We declare a list of structures describing our dcmds, a list of structures
3884 * describing our walkers and a function named _mdb_init to return a pointer
3885 * to our module information.
3886 */
3887 static const mdb_dcmd_t dcmds[] = {
3888 { "smblist",
3889 "[-seutfdwv]",
3890 "print tree of SMB objects",
3891 smblist_dcmd,
3892 smblist_help },
3893 { "smbsrv",
3894 "[-seutfdwv]",
3895 "print smb_server information",
3896 smbsrv_dcmd },
3897 { "smbshare",
3898 ":[-v]",
3899 "print smb_kshare_t information",
3900 smbshare_dcmd },
3901 { "smbvfs",
3902 ":[-v]",
3903 "print smb_vfs information",
3904 smbvfs_dcmd },
3905 { "smbnode",
3906 "?[-vps]",
3907 "print smb_node_t information",
3908 smbnode_dcmd,
3909 smbnode_help },
3910 { "smbsess",
3911 "[-utfdwv]",
3912 "print smb_session_t information",
3913 smbsess_dcmd,
3914 smbsess_help},
3915 { "smbreq",
3916 ":[-v]",
3917 "print smb_request_t information",
3918 smbreq_dcmd },
3919 { "smbreq_dump",
3920 ":[-cr] [-o outfile]",
3921 "dump smb_request_t packets (cmd/reply)",
3922 smbreq_dump_dcmd,
3923 smbreq_dump_help,
3924 },
3925 { "smblock", ":[-v]",
3926 "print smb_lock_t information",
3927 smblock_dcmd },
3928 { "smbuser",
3929 ":[-vdftq]",
3930 "print smb_user_t information",
3931 smbuser_dcmd,
3932 smbuser_help },
3933 { "smbtree",
3934 ":[-vdf]",
3935 "print smb_tree_t information",
3936 smbtree_dcmd,
3937 smbtree_help },
3938 { "smbodir",
3939 ":[-v]",
3940 "print smb_odir_t information",
3941 smbodir_dcmd },
3942 { "smbofile",
3943 "[-v]",
3944 "print smb_file_t information",
3945 smbofile_dcmd },
3946 { "smbsrv_leases",
3947 "[-v]",
3948 "print lease table for a server",
3949 smbsrv_leases_dcmd },
3950 { "smblease",
3951 "[-v]",
3952 "print smb_lease_t information",
3953 smblease_dcmd },
3954 { "smbnode_oplock", NULL,
3955 "print smb_node_t oplock information",
3956 smbnode_oplock_dcmd },
3957 { "smbofile_oplock", NULL,
3958 "print smb_ofile_t oplock information",
3959 smbofile_oplock_dcmd },
3960 { "smbace", "[-v]",
3961 "print smb_ace_t information",
3962 smbace_dcmd },
3963 { "smbacl", "[-v]",
3964 "print smb_acl_t information",
3965 smbacl_dcmd },
3966 { "smbsid", "[-v]",
3967 "print smb_sid_t information",
3968 smbsid_dcmd },
3969 { "smbsd", "[-v]",
3970 "print smb_sd_t information",
3971 smbsd_dcmd },
3972 { "smbfssd", "[-v]",
3973 "print smb_fssd_t information",
3974 smbfssd_dcmd },
3975 { "smb_mbuf_dump", ":[max_len]",
3976 "print mbuf_t data",
3977 smb_mbuf_dump_dcmd },
3978 { "smbdurable",
3979 "[-v]",
3980 "list ofiles on sv->sv_persistid_ht",
3981 smbdurable_dcmd },
3982 { "smbhashstat",
3983 "[-v]",
3984 "list stats from an smb_hash_t structure",
3985 smbhashstat_dcmd },
3986
3987 { NULL }
3988 };
3989
3990 static const mdb_walker_t walkers[] = {
3991 { "smbnode_walker",
3992 "walk list of smb_node_t structures",
3993 smb_node_walk_init,
3994 smb_node_walk_step,
3995 NULL,
3996 NULL },
3997 { "smbshare_walker",
3998 "walk list of smb_kshare_t structures",
3999 smb_kshare_walk_init,
4000 smb_kshare_walk_step,
4001 NULL,
4002 NULL },
4003 { "smbvfs_walker",
4004 "walk list of smb_vfs_t structures",
4005 smb_vfs_walk_init,
4006 smb_vfs_walk_step,
4007 NULL,
4008 NULL },
4009 { "smbace_walker",
4010 "walk list of smb_ace_t structures",
4011 smb_ace_walk_init,
4012 smb_ace_walk_step,
4013 NULL,
4014 NULL },
4015 { "smb_mbuf_walker",
4016 "walk list of mbuf_t structures",
4017 smb_mbuf_walk_init,
4018 smb_mbuf_walk_step,
4019 NULL,
4020 NULL },
4021 { "smb_hash_walker",
4022 "walk an smb_hash_t structure",
4023 smb_hash_walk_init,
4024 smb_hash_walk_step,
4025 NULL,
4026 NULL },
4027 { "smb_hashstat_walker",
4028 "walk the buckets from an smb_hash_t structure",
4029 smb_hashstat_walk_init,
4030 smb_hashstat_walk_step,
4031 NULL,
4032 NULL },
4033
4034 { NULL }
4035 };
4036
4037 static const mdb_modinfo_t modinfo = {
4038 MDB_API_VERSION, dcmds, walkers
4039 };
4040
4041 const mdb_modinfo_t *
_mdb_init(void)4042 _mdb_init(void)
4043 {
4044 return (&modinfo);
4045 }
4046