xref: /illumos-gate/usr/src/cmd/mdb/common/modules/smbsrv/smbsrv.c (revision 97a9db610324e7db4393415018e0e737485a94cd)
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 2012 Nexenta Systems, Inc. All rights reserved.
25  */
26 
27 #include <mdb/mdb_modapi.h>
28 #include <mdb/mdb_ks.h>
29 #include <sys/thread.h>
30 #include <sys/taskq_impl.h>
31 #include <smbsrv/smb_vops.h>
32 #include <smbsrv/smb.h>
33 #include <smbsrv/smb_ktypes.h>
34 
35 #define	SMB_DCMD_INDENT		2
36 #define	ACE_TYPE_TABLEN		(ACE_ALL_TYPES + 1)
37 #define	ACE_TYPE_ENTRY(_v_)	{_v_, #_v_}
38 #define	SMB_COM_ENTRY(_v_, _x_)	{#_v_, _x_}
39 
40 #define	SMB_MDB_MAX_OPTS	9
41 
42 #define	SMB_OPT_SERVER		0x00000001
43 #define	SMB_OPT_SESSION		0x00000002
44 #define	SMB_OPT_REQUEST		0x00000004
45 #define	SMB_OPT_USER		0x00000008
46 #define	SMB_OPT_TREE		0x00000010
47 #define	SMB_OPT_OFILE		0x00000020
48 #define	SMB_OPT_ODIR		0x00000040
49 #define	SMB_OPT_WALK		0x00000100
50 #define	SMB_OPT_VERBOSE		0x00000200
51 #define	SMB_OPT_ALL_OBJ		0x000000FF
52 
53 /*
54  * Structure associating an ACE type to a string.
55  */
56 typedef struct {
57 	uint8_t		ace_type_value;
58 	const char	*ace_type_sting;
59 } ace_type_entry_t;
60 
61 /*
62  * Structure containing strings describing an SMB command.
63  */
64 typedef struct {
65 	const char	*smb_com;
66 	const char	*smb_andx;
67 } smb_com_entry_t;
68 
69 /*
70  * Structure describing an object to be expanded (displayed).
71  */
72 typedef struct {
73 	uint_t		ex_mask;
74 	size_t		ex_offset;
75 	const char	*ex_dcmd;
76 	const char	*ex_name;
77 } smb_exp_t;
78 
79 /*
80  * List of supported options. Ther order has the match the bits SMB_OPT_xxx.
81  */
82 typedef struct smb_mdb_opts {
83 	char		*o_name;
84 	uint32_t	o_value;
85 } smb_mdb_opts_t;
86 
87 static smb_mdb_opts_t smb_opts[SMB_MDB_MAX_OPTS] =
88 {
89 	{ "-s", SMB_OPT_SERVER	},
90 	{ "-e", SMB_OPT_SESSION	},
91 	{ "-r", SMB_OPT_REQUEST	},
92 	{ "-u", SMB_OPT_USER	},
93 	{ "-t", SMB_OPT_TREE	},
94 	{ "-f", SMB_OPT_OFILE	},
95 	{ "-d", SMB_OPT_ODIR	},
96 	{ "-w", SMB_OPT_WALK	},
97 	{ "-v", SMB_OPT_VERBOSE	}
98 };
99 
100 static smb_com_entry_t	smb_com[256] =
101 {
102 	SMB_COM_ENTRY(SMB_COM_CREATE_DIRECTORY, "No"),
103 	SMB_COM_ENTRY(SMB_COM_DELETE_DIRECTORY, "No"),
104 	SMB_COM_ENTRY(SMB_COM_OPEN, "No"),
105 	SMB_COM_ENTRY(SMB_COM_CREATE, "No"),
106 	SMB_COM_ENTRY(SMB_COM_CLOSE, "No"),
107 	SMB_COM_ENTRY(SMB_COM_FLUSH, "No"),
108 	SMB_COM_ENTRY(SMB_COM_DELETE, "No"),
109 	SMB_COM_ENTRY(SMB_COM_RENAME, "No"),
110 	SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION, "No"),
111 	SMB_COM_ENTRY(SMB_COM_SET_INFORMATION, "No"),
112 	SMB_COM_ENTRY(SMB_COM_READ, "No"),
113 	SMB_COM_ENTRY(SMB_COM_WRITE, "No"),
114 	SMB_COM_ENTRY(SMB_COM_LOCK_BYTE_RANGE, "No"),
115 	SMB_COM_ENTRY(SMB_COM_UNLOCK_BYTE_RANGE, "No"),
116 	SMB_COM_ENTRY(SMB_COM_CREATE_TEMPORARY, "No"),
117 	SMB_COM_ENTRY(SMB_COM_CREATE_NEW, "No"),
118 	SMB_COM_ENTRY(SMB_COM_CHECK_DIRECTORY, "No"),
119 	SMB_COM_ENTRY(SMB_COM_PROCESS_EXIT, "No"),
120 	SMB_COM_ENTRY(SMB_COM_SEEK, "No"),
121 	SMB_COM_ENTRY(SMB_COM_LOCK_AND_READ, "No"),
122 	SMB_COM_ENTRY(SMB_COM_WRITE_AND_UNLOCK, "No"),
123 	SMB_COM_ENTRY(0x15, "?"),
124 	SMB_COM_ENTRY(0x16, "?"),
125 	SMB_COM_ENTRY(0x17, "?"),
126 	SMB_COM_ENTRY(0x18, "?"),
127 	SMB_COM_ENTRY(0x19, "?"),
128 	SMB_COM_ENTRY(SMB_COM_READ_RAW, "No"),
129 	SMB_COM_ENTRY(SMB_COM_READ_MPX, "No"),
130 	SMB_COM_ENTRY(SMB_COM_READ_MPX_SECONDARY, "No"),
131 	SMB_COM_ENTRY(SMB_COM_WRITE_RAW, "No"),
132 	SMB_COM_ENTRY(SMB_COM_WRITE_MPX, "No"),
133 	SMB_COM_ENTRY(SMB_COM_WRITE_MPX_SECONDARY, "No"),
134 	SMB_COM_ENTRY(SMB_COM_WRITE_COMPLETE, "No"),
135 	SMB_COM_ENTRY(SMB_COM_QUERY_SERVER, "No"),
136 	SMB_COM_ENTRY(SMB_COM_SET_INFORMATION2, "No"),
137 	SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION2, "No"),
138 	SMB_COM_ENTRY(SMB_COM_LOCKING_ANDX, "No"),
139 	SMB_COM_ENTRY(SMB_COM_TRANSACTION, "No"),
140 	SMB_COM_ENTRY(SMB_COM_TRANSACTION_SECONDARY, "No"),
141 	SMB_COM_ENTRY(SMB_COM_IOCTL, "No"),
142 	SMB_COM_ENTRY(SMB_COM_IOCTL_SECONDARY, "No"),
143 	SMB_COM_ENTRY(SMB_COM_COPY, "No"),
144 	SMB_COM_ENTRY(SMB_COM_MOVE, "No"),
145 	SMB_COM_ENTRY(SMB_COM_ECHO, "No"),
146 	SMB_COM_ENTRY(SMB_COM_WRITE_AND_CLOSE, "No"),
147 	SMB_COM_ENTRY(SMB_COM_OPEN_ANDX, "No"),
148 	SMB_COM_ENTRY(SMB_COM_READ_ANDX, "No"),
149 	SMB_COM_ENTRY(SMB_COM_WRITE_ANDX, "No"),
150 	SMB_COM_ENTRY(SMB_COM_NEW_FILE_SIZE, "No"),
151 	SMB_COM_ENTRY(SMB_COM_CLOSE_AND_TREE_DISC, "No"),
152 	SMB_COM_ENTRY(SMB_COM_TRANSACTION2, "No"),
153 	SMB_COM_ENTRY(SMB_COM_TRANSACTION2_SECONDARY, "No"),
154 	SMB_COM_ENTRY(SMB_COM_FIND_CLOSE2, "No"),
155 	SMB_COM_ENTRY(SMB_COM_FIND_NOTIFY_CLOSE, "No"),
156 	SMB_COM_ENTRY(0x36, "?"),
157 	SMB_COM_ENTRY(0x37, "?"),
158 	SMB_COM_ENTRY(0x38, "?"),
159 	SMB_COM_ENTRY(0x39, "?"),
160 	SMB_COM_ENTRY(0x3A, "?"),
161 	SMB_COM_ENTRY(0x3B, "?"),
162 	SMB_COM_ENTRY(0x3C, "?"),
163 	SMB_COM_ENTRY(0x3D, "?"),
164 	SMB_COM_ENTRY(0x3E, "?"),
165 	SMB_COM_ENTRY(0x3F, "?"),
166 	SMB_COM_ENTRY(0x40, "?"),
167 	SMB_COM_ENTRY(0x41, "?"),
168 	SMB_COM_ENTRY(0x42, "?"),
169 	SMB_COM_ENTRY(0x43, "?"),
170 	SMB_COM_ENTRY(0x44, "?"),
171 	SMB_COM_ENTRY(0x45, "?"),
172 	SMB_COM_ENTRY(0x46, "?"),
173 	SMB_COM_ENTRY(0x47, "?"),
174 	SMB_COM_ENTRY(0x48, "?"),
175 	SMB_COM_ENTRY(0x49, "?"),
176 	SMB_COM_ENTRY(0x4A, "?"),
177 	SMB_COM_ENTRY(0x4B, "?"),
178 	SMB_COM_ENTRY(0x4C, "?"),
179 	SMB_COM_ENTRY(0x4D, "?"),
180 	SMB_COM_ENTRY(0x4E, "?"),
181 	SMB_COM_ENTRY(0x4F, "?"),
182 	SMB_COM_ENTRY(0x50, "?"),
183 	SMB_COM_ENTRY(0x51, "?"),
184 	SMB_COM_ENTRY(0x52, "?"),
185 	SMB_COM_ENTRY(0x53, "?"),
186 	SMB_COM_ENTRY(0x54, "?"),
187 	SMB_COM_ENTRY(0x55, "?"),
188 	SMB_COM_ENTRY(0x56, "?"),
189 	SMB_COM_ENTRY(0x57, "?"),
190 	SMB_COM_ENTRY(0x58, "?"),
191 	SMB_COM_ENTRY(0x59, "?"),
192 	SMB_COM_ENTRY(0x5A, "?"),
193 	SMB_COM_ENTRY(0x5B, "?"),
194 	SMB_COM_ENTRY(0x5C, "?"),
195 	SMB_COM_ENTRY(0x5D, "?"),
196 	SMB_COM_ENTRY(0x5E, "?"),
197 	SMB_COM_ENTRY(0x5F, "?"),
198 	SMB_COM_ENTRY(0x60, "?"),
199 	SMB_COM_ENTRY(0x61, "?"),
200 	SMB_COM_ENTRY(0x62, "?"),
201 	SMB_COM_ENTRY(0x63, "?"),
202 	SMB_COM_ENTRY(0x64, "?"),
203 	SMB_COM_ENTRY(0x65, "?"),
204 	SMB_COM_ENTRY(0x66, "?"),
205 	SMB_COM_ENTRY(0x67, "?"),
206 	SMB_COM_ENTRY(0x68, "?"),
207 	SMB_COM_ENTRY(0x69, "?"),
208 	SMB_COM_ENTRY(0x6A, "?"),
209 	SMB_COM_ENTRY(0x6B, "?"),
210 	SMB_COM_ENTRY(0x6C, "?"),
211 	SMB_COM_ENTRY(0x6D, "?"),
212 	SMB_COM_ENTRY(0x6E, "?"),
213 	SMB_COM_ENTRY(0x6F, "?"),
214 	SMB_COM_ENTRY(SMB_COM_TREE_CONNECT, "No"),
215 	SMB_COM_ENTRY(SMB_COM_TREE_DISCONNECT, "No"),
216 	SMB_COM_ENTRY(SMB_COM_NEGOTIATE, "No"),
217 	SMB_COM_ENTRY(SMB_COM_SESSION_SETUP_ANDX, "No"),
218 	SMB_COM_ENTRY(SMB_COM_LOGOFF_ANDX, "No"),
219 	SMB_COM_ENTRY(SMB_COM_TREE_CONNECT_ANDX, "No"),
220 	SMB_COM_ENTRY(0x76, "?"),
221 	SMB_COM_ENTRY(0x77, "?"),
222 	SMB_COM_ENTRY(0x78, "?"),
223 	SMB_COM_ENTRY(0x79, "?"),
224 	SMB_COM_ENTRY(0x7A, "?"),
225 	SMB_COM_ENTRY(0x7B, "?"),
226 	SMB_COM_ENTRY(0x7C, "?"),
227 	SMB_COM_ENTRY(0x7D, "?"),
228 	SMB_COM_ENTRY(0x7E, "?"),
229 	SMB_COM_ENTRY(0x7F, "?"),
230 	SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION_DISK, "No"),
231 	SMB_COM_ENTRY(SMB_COM_SEARCH, "No"),
232 	SMB_COM_ENTRY(SMB_COM_FIND, "No"),
233 	SMB_COM_ENTRY(SMB_COM_FIND_UNIQUE, "No"),
234 	SMB_COM_ENTRY(SMB_COM_FIND_CLOSE, "No"),
235 	SMB_COM_ENTRY(0x85, "?"),
236 	SMB_COM_ENTRY(0x86, "?"),
237 	SMB_COM_ENTRY(0x87, "?"),
238 	SMB_COM_ENTRY(0x88, "?"),
239 	SMB_COM_ENTRY(0x89, "?"),
240 	SMB_COM_ENTRY(0x8A, "?"),
241 	SMB_COM_ENTRY(0x8B, "?"),
242 	SMB_COM_ENTRY(0x8C, "?"),
243 	SMB_COM_ENTRY(0x8D, "?"),
244 	SMB_COM_ENTRY(0x8E, "?"),
245 	SMB_COM_ENTRY(0x8F, "?"),
246 	SMB_COM_ENTRY(0x90, "?"),
247 	SMB_COM_ENTRY(0x91, "?"),
248 	SMB_COM_ENTRY(0x92, "?"),
249 	SMB_COM_ENTRY(0x93, "?"),
250 	SMB_COM_ENTRY(0x94, "?"),
251 	SMB_COM_ENTRY(0x95, "?"),
252 	SMB_COM_ENTRY(0x96, "?"),
253 	SMB_COM_ENTRY(0x97, "?"),
254 	SMB_COM_ENTRY(0x98, "?"),
255 	SMB_COM_ENTRY(0x99, "?"),
256 	SMB_COM_ENTRY(0x9A, "?"),
257 	SMB_COM_ENTRY(0x9B, "?"),
258 	SMB_COM_ENTRY(0x9C, "?"),
259 	SMB_COM_ENTRY(0x9D, "?"),
260 	SMB_COM_ENTRY(0x9E, "?"),
261 	SMB_COM_ENTRY(0x9F, "?"),
262 	SMB_COM_ENTRY(SMB_COM_NT_TRANSACT, "No"),
263 	SMB_COM_ENTRY(SMB_COM_NT_TRANSACT_SECONDARY, "No"),
264 	SMB_COM_ENTRY(SMB_COM_NT_CREATE_ANDX, "No"),
265 	SMB_COM_ENTRY(0xA3, "?"),
266 	SMB_COM_ENTRY(SMB_COM_NT_CANCEL, "No"),
267 	SMB_COM_ENTRY(SMB_COM_NT_RENAME, "No"),
268 	SMB_COM_ENTRY(0xA6, "?"),
269 	SMB_COM_ENTRY(0xA7, "?"),
270 	SMB_COM_ENTRY(0xA8, "?"),
271 	SMB_COM_ENTRY(0xA9, "?"),
272 	SMB_COM_ENTRY(0xAA, "?"),
273 	SMB_COM_ENTRY(0xAB, "?"),
274 	SMB_COM_ENTRY(0xAC, "?"),
275 	SMB_COM_ENTRY(0xAD, "?"),
276 	SMB_COM_ENTRY(0xAE, "?"),
277 	SMB_COM_ENTRY(0xAF, "?"),
278 	SMB_COM_ENTRY(0xB0, "?"),
279 	SMB_COM_ENTRY(0xB1, "?"),
280 	SMB_COM_ENTRY(0xB2, "?"),
281 	SMB_COM_ENTRY(0xB3, "?"),
282 	SMB_COM_ENTRY(0xB4, "?"),
283 	SMB_COM_ENTRY(0xB5, "?"),
284 	SMB_COM_ENTRY(0xB6, "?"),
285 	SMB_COM_ENTRY(0xB7, "?"),
286 	SMB_COM_ENTRY(0xB8, "?"),
287 	SMB_COM_ENTRY(0xB9, "?"),
288 	SMB_COM_ENTRY(0xBA, "?"),
289 	SMB_COM_ENTRY(0xBB, "?"),
290 	SMB_COM_ENTRY(0xBC, "?"),
291 	SMB_COM_ENTRY(0xBD, "?"),
292 	SMB_COM_ENTRY(0xBE, "?"),
293 	SMB_COM_ENTRY(0xBF, "?"),
294 	SMB_COM_ENTRY(SMB_COM_OPEN_PRINT_FILE, "No"),
295 	SMB_COM_ENTRY(SMB_COM_WRITE_PRINT_FILE, "No"),
296 	SMB_COM_ENTRY(SMB_COM_CLOSE_PRINT_FILE, "No"),
297 	SMB_COM_ENTRY(SMB_COM_GET_PRINT_QUEUE, "No"),
298 	SMB_COM_ENTRY(0xC4, "?"),
299 	SMB_COM_ENTRY(0xC5, "?"),
300 	SMB_COM_ENTRY(0xC6, "?"),
301 	SMB_COM_ENTRY(0xC7, "?"),
302 	SMB_COM_ENTRY(0xC8, "?"),
303 	SMB_COM_ENTRY(0xC9, "?"),
304 	SMB_COM_ENTRY(0xCA, "?"),
305 	SMB_COM_ENTRY(0xCB, "?"),
306 	SMB_COM_ENTRY(0xCC, "?"),
307 	SMB_COM_ENTRY(0xCD, "?"),
308 	SMB_COM_ENTRY(0xCE, "?"),
309 	SMB_COM_ENTRY(0xCF, "?"),
310 	SMB_COM_ENTRY(0xD0, "?"),
311 	SMB_COM_ENTRY(0xD1, "?"),
312 	SMB_COM_ENTRY(0xD2, "?"),
313 	SMB_COM_ENTRY(0xD3, "?"),
314 	SMB_COM_ENTRY(0xD4, "?"),
315 	SMB_COM_ENTRY(0xD5, "?"),
316 	SMB_COM_ENTRY(0xD6, "?"),
317 	SMB_COM_ENTRY(0xD7, "?"),
318 	SMB_COM_ENTRY(SMB_COM_READ_BULK, "No"),
319 	SMB_COM_ENTRY(SMB_COM_WRITE_BULK, "No"),
320 	SMB_COM_ENTRY(SMB_COM_WRITE_BULK_DATA, "No"),
321 	SMB_COM_ENTRY(0xDB, "?"),
322 	SMB_COM_ENTRY(0xDC, "?"),
323 	SMB_COM_ENTRY(0xDD, "?"),
324 	SMB_COM_ENTRY(0xDE, "?"),
325 	SMB_COM_ENTRY(0xDF, "?"),
326 	SMB_COM_ENTRY(0xE0, "?"),
327 	SMB_COM_ENTRY(0xE1, "?"),
328 	SMB_COM_ENTRY(0xE2, "?"),
329 	SMB_COM_ENTRY(0xE3, "?"),
330 	SMB_COM_ENTRY(0xE4, "?"),
331 	SMB_COM_ENTRY(0xE5, "?"),
332 	SMB_COM_ENTRY(0xE6, "?"),
333 	SMB_COM_ENTRY(0xE7, "?"),
334 	SMB_COM_ENTRY(0xE8, "?"),
335 	SMB_COM_ENTRY(0xE9, "?"),
336 	SMB_COM_ENTRY(0xEA, "?"),
337 	SMB_COM_ENTRY(0xEB, "?"),
338 	SMB_COM_ENTRY(0xEC, "?"),
339 	SMB_COM_ENTRY(0xED, "?"),
340 	SMB_COM_ENTRY(0xEE, "?"),
341 	SMB_COM_ENTRY(0xEF, "?"),
342 	SMB_COM_ENTRY(0xF0, "?"),
343 	SMB_COM_ENTRY(0xF1, "?"),
344 	SMB_COM_ENTRY(0xF2, "?"),
345 	SMB_COM_ENTRY(0xF3, "?"),
346 	SMB_COM_ENTRY(0xF4, "?"),
347 	SMB_COM_ENTRY(0xF5, "?"),
348 	SMB_COM_ENTRY(0xF6, "?"),
349 	SMB_COM_ENTRY(0xF7, "?"),
350 	SMB_COM_ENTRY(0xF8, "?"),
351 	SMB_COM_ENTRY(0xF9, "?"),
352 	SMB_COM_ENTRY(0xFA, "?"),
353 	SMB_COM_ENTRY(0xFB, "?"),
354 	SMB_COM_ENTRY(0xFC, "?"),
355 	SMB_COM_ENTRY(0xFD, "?"),
356 	SMB_COM_ENTRY(0xFE, "?"),
357 	SMB_COM_ENTRY(0xFF, "?")
358 };
359 
360 static int smb_dcmd_list(uintptr_t, uint_t, int, const mdb_arg_t *);
361 static void smb_dcmd_list_help(void);
362 static int smb_dcmd_server(uintptr_t, uint_t, int, const mdb_arg_t *);
363 static void smb_dcmd_session_help(void);
364 static int smb_dcmd_session(uintptr_t, uint_t, int, const mdb_arg_t *);
365 static int smb_dcmd_request(uintptr_t, uint_t, int, const mdb_arg_t *);
366 static void smb_dcmd_user_help(void);
367 static int smb_dcmd_user(uintptr_t, uint_t, int, const mdb_arg_t *);
368 static void smb_dcmd_tree_help(void);
369 static int smb_dcmd_tree(uintptr_t, uint_t, int, const mdb_arg_t *);
370 static int smb_dcmd_odir(uintptr_t, uint_t, int, const mdb_arg_t *);
371 static int smb_dcmd_ofile(uintptr_t, uint_t, int, const mdb_arg_t *);
372 static int smb_dcmd_kshare(uintptr_t, uint_t, int, const mdb_arg_t *);
373 static int smb_dcmd_vfs(uintptr_t, uint_t, int, const mdb_arg_t *);
374 static int smb_vfs_walk_init(mdb_walk_state_t *);
375 static int smb_vfs_walk_step(mdb_walk_state_t *);
376 static void smb_node_help(void);
377 static int smb_dcmd_node(uintptr_t, uint_t, int, const mdb_arg_t *);
378 static int smb_node_walk_init(mdb_walk_state_t *);
379 static int smb_node_walk_step(mdb_walk_state_t *);
380 static int smb_lock(uintptr_t, uint_t, int, const mdb_arg_t *);
381 static int smb_oplock(uintptr_t, uint_t, int, const mdb_arg_t *);
382 static int smb_oplock_grant(uintptr_t, uint_t, int, const mdb_arg_t *);
383 static int smb_ace(uintptr_t, uint_t, int, const mdb_arg_t *);
384 static int smb_ace_walk_init(mdb_walk_state_t *);
385 static int smb_ace_walk_step(mdb_walk_state_t *);
386 static int smb_acl(uintptr_t, uint_t, int, const mdb_arg_t *);
387 static int smb_sd(uintptr_t, uint_t, int, const mdb_arg_t *);
388 static int smb_sid(uintptr_t, uint_t, int, const mdb_arg_t *);
389 static int smb_sid_print(uintptr_t);
390 static int smb_fssd(uintptr_t, uint_t, int, const mdb_arg_t *);
391 static int smb_dcmd_getopt(uint_t *, int, const mdb_arg_t *);
392 static int smb_dcmd_setopt(uint_t, int, mdb_arg_t *);
393 static int smb_obj_expand(uintptr_t, uint_t, const smb_exp_t *, ulong_t);
394 static int smb_obj_list(const char *, uint_t, uint_t);
395 static int smb_worker_findstack(uintptr_t);
396 static int smb_stats(uintptr_t, uint_t, int, const mdb_arg_t *);
397 
398 /*
399  * MDB module linkage information:
400  *
401  * We declare a list of structures describing our dcmds, a list of structures
402  * describing our walkers and a function named _mdb_init to return a pointer
403  * to our module information.
404  */
405 static const mdb_dcmd_t dcmds[] = {
406 	{   "smblist",
407 	    "[-seutfdwv]",
408 	    "print tree of SMB objects",
409 	    smb_dcmd_list,
410 	    smb_dcmd_list_help },
411 	{   "smbsrv",
412 	    "[-seutfdwv]",
413 	    "print smb_server information",
414 	    smb_dcmd_server },
415 	{   "smbshares",
416 	    "[-v]",
417 	    "print smb_kshare_t information",
418 	    smb_dcmd_kshare },
419 	{   "smbvfs",
420 	    "[-v]",
421 	    "print smb_vfs information",
422 	    smb_dcmd_vfs },
423 	{   "smbnode",
424 	    "?[-vps]",
425 	    "print smb_node_t information",
426 	    smb_dcmd_node,
427 	    smb_node_help },
428 	{   "smbsess",
429 	    "[-utfdwv]",
430 	    "print smb_session_t information",
431 	    smb_dcmd_session,
432 	    smb_dcmd_session_help},
433 	{   "smbreq",
434 	    ":[-v]",
435 	    "print smb_request_t information",
436 	    smb_dcmd_request },
437 	{   "smblock", ":[-v]",
438 	    "print smb_lock_t information", smb_lock },
439 	{   "smbuser",
440 	    ":[-vdftq]",
441 	    "print smb_user_t information",
442 	    smb_dcmd_user,
443 	    smb_dcmd_user_help },
444 	{   "smbtree",
445 	    ":[-vdf]",
446 	    "print smb_tree_t information",
447 	    smb_dcmd_tree,
448 	    smb_dcmd_tree_help },
449 	{   "smbodir",
450 	    ":[-v]",
451 	    "print smb_odir_t information",
452 	    smb_dcmd_odir },
453 	{   "smbofile",
454 	    "[-v]",
455 	    "print smb_file_t information",
456 	    smb_dcmd_ofile },
457 	{   "smboplock", NULL,
458 	    "print smb_oplock_t information", smb_oplock },
459 	{   "smboplockgrant", NULL,
460 	    "print smb_oplock_grant_t information", smb_oplock_grant },
461 	{   "smbstat", NULL,
462 	    "print all smb dispatched requests statistics",
463 	    smb_stats },
464 	{   "smbace", "[-v]",
465 	    "print smb_ace_t information", smb_ace },
466 	{   "smbacl", "[-v]",
467 	    "print smb_acl_t information", smb_acl },
468 	{   "smbsid", "[-v]",
469 	    "print smb_sid_t information", smb_sid },
470 	{   "smbsd", "[-v]",
471 	    "print smb_sd_t information", smb_sd },
472 	{   "smbfssd", "[-v]",
473 	    "print smb_fssd_t information", smb_fssd },
474 	{ NULL }
475 };
476 
477 static const mdb_walker_t walkers[] = {
478 	{   "smbnode_walker",
479 	    "walk list of smb_node_t structures",
480 	    smb_node_walk_init,
481 	    smb_node_walk_step,
482 	    NULL,
483 	    NULL },
484 	{   "smbvfs_walker",
485 	    "walk list of smb_vfs_t structures",
486 	    smb_vfs_walk_init,
487 	    smb_vfs_walk_step,
488 	    NULL,
489 	    NULL },
490 	{   "smbace_walker",
491 	    "walk list of smb_ace_t structures",
492 	    smb_ace_walk_init,
493 	    smb_ace_walk_step,
494 	    NULL,
495 	    NULL },
496 	{ NULL }
497 };
498 
499 static const mdb_modinfo_t modinfo = {
500 	MDB_API_VERSION, dcmds, walkers
501 };
502 
503 const mdb_modinfo_t *
504 _mdb_init(void)
505 {
506 	return (&modinfo);
507 }
508 
509 /*
510  * *****************************************************************************
511  * ****************************** Top level DCMD *******************************
512  * *****************************************************************************
513  */
514 
515 static void
516 smb_dcmd_list_help(void)
517 {
518 	mdb_printf(
519 	    "Displays the list of objects using an indented tree format.\n"
520 	    "If no option is specified the entire tree is displayed\n\n");
521 	(void) mdb_dec_indent(2);
522 	mdb_printf("%<b>OPTIONS%</b>\n");
523 	(void) mdb_inc_indent(2);
524 	mdb_printf(
525 	    "-v\tDisplay verbose information\n"
526 	    "-s\tDisplay the list of servers\n"
527 	    "-e\tDisplay the list of sessions\n"
528 	    "-r\tDisplay the list of smb requests\n"
529 	    "-u\tDisplay the list of users\n"
530 	    "-t\tDisplay the list of trees\n"
531 	    "-f\tDisplay the list of open files\n"
532 	    "-d\tDisplay the list of open searches\n");
533 }
534 
535 /*
536  * ::smblist
537  *
538  * This function lists the objects specified on the command line. If no object
539  * is specified the entire tree (server through ofile and odir) is displayed.
540  *
541  */
542 /*ARGSUSED*/
543 static int
544 smb_dcmd_list(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
545 {
546 	GElf_Sym	sym;
547 	uint_t		opts = 0;
548 	int		new_argc;
549 	mdb_arg_t	new_argv[SMB_MDB_MAX_OPTS];
550 
551 	if (smb_dcmd_getopt(&opts, argc, argv))
552 		return (DCMD_USAGE);
553 
554 	if (!(opts & ~(SMB_OPT_WALK | SMB_OPT_VERBOSE)))
555 		opts |= SMB_OPT_ALL_OBJ;
556 
557 	opts |= SMB_OPT_WALK;
558 
559 	new_argc = smb_dcmd_setopt(opts, SMB_MDB_MAX_OPTS, new_argv);
560 
561 	if (mdb_lookup_by_name("smb_servers", &sym) == -1) {
562 		mdb_warn("failed to find symbol smb_servers");
563 		return (DCMD_ERR);
564 	}
565 
566 	addr = (uintptr_t)sym.st_value + offsetof(smb_llist_t, ll_list);
567 
568 	if (mdb_pwalk_dcmd("list", "smbsrv", new_argc, new_argv, addr))
569 		return (DCMD_ERR);
570 	return (DCMD_OK);
571 }
572 
573 /*
574  * *****************************************************************************
575  * ***************************** smb_server_t **********************************
576  * *****************************************************************************
577  */
578 
579 static const char *smb_server_state[SMB_SERVER_STATE_SENTINEL] =
580 {
581 	"CREATED",
582 	"CONFIGURED",
583 	"RUNNING",
584 	"STOPPING",
585 	"DELETING"
586 };
587 
588 /*
589  * List of objects that can be expanded under a server structure.
590  */
591 static const smb_exp_t smb_server_exp[] =
592 {
593 	{ SMB_OPT_ALL_OBJ,
594 	    offsetof(smb_server_t, sv_nbt_daemon.ld_session_list.ll_list),
595 	    "smbsess", "smb_session"},
596 	{ SMB_OPT_ALL_OBJ,
597 	    offsetof(smb_server_t, sv_tcp_daemon.ld_session_list.ll_list),
598 	    "smbsess", "smb_session"},
599 	{ 0, 0, NULL, NULL }
600 };
601 
602 /*
603  * ::smbsrv
604  *
605  * smbsrv dcmd - Print out smb_server structures.
606  */
607 /*ARGSUSED*/
608 static int
609 smb_dcmd_server(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
610 {
611 	uint_t		opts;
612 	ulong_t		indent = 0;
613 
614 	if (smb_dcmd_getopt(&opts, argc, argv))
615 		return (DCMD_USAGE);
616 
617 	if (!(flags & DCMD_ADDRSPEC))
618 		return (smb_obj_list("smb_server", opts | SMB_OPT_SERVER,
619 		    flags));
620 
621 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_SERVER)) ||
622 	    !(opts & SMB_OPT_WALK)) {
623 		smb_server_t	*sv;
624 		const char	*state;
625 
626 		sv = mdb_alloc(sizeof (smb_server_t), UM_SLEEP | UM_GC);
627 		if (mdb_vread(sv, sizeof (smb_server_t), addr) == -1) {
628 			mdb_warn("failed to read smb_server at %p", addr);
629 			return (DCMD_ERR);
630 		}
631 
632 		indent = SMB_DCMD_INDENT;
633 
634 		if (opts & SMB_OPT_VERBOSE) {
635 			mdb_arg_t	argv;
636 
637 			argv.a_type = MDB_TYPE_STRING;
638 			argv.a_un.a_str = "smb_server_t";
639 			if (mdb_call_dcmd("print", addr, flags, 1, &argv))
640 				return (DCMD_ERR);
641 		} else {
642 			if (DCMD_HDRSPEC(flags))
643 				mdb_printf(
644 				    "%<b>%<u>%-?s% "
645 				    "%-4s% "
646 				    "%-32s% "
647 				    "%</u>%</b>\n",
648 				    "SERVER", "ZONE", "STATE");
649 
650 			if (sv->sv_state >= SMB_SERVER_STATE_SENTINEL)
651 				state = "UNKNOWN";
652 			else
653 				state = smb_server_state[sv->sv_state];
654 
655 			mdb_printf("%-?p %-4d %-32s \n",
656 			    addr, sv->sv_zid, state);
657 		}
658 	}
659 	if (smb_obj_expand(addr, opts, smb_server_exp, indent))
660 		return (DCMD_ERR);
661 	return (DCMD_OK);
662 }
663 
664 /*
665  * *****************************************************************************
666  * ***************************** smb_session_t *********************************
667  * *****************************************************************************
668  */
669 
670 static const char *smb_session_state[SMB_SESSION_STATE_SENTINEL] =
671 {
672 	"INITIALIZED",
673 	"DISCONNECTED",
674 	"CONNECTED",
675 	"ESTABLISHED",
676 	"NEGOTIATED",
677 	"OPLOCK_BREAKING",
678 	"WRITE_RAW_ACTIVE",
679 	"READ_RAW_ACTIVE",
680 	"TERMINATED"
681 };
682 
683 /*
684  * List of objects that can be expanded under a session structure.
685  */
686 static const smb_exp_t smb_session_exp[] =
687 {
688 	{ SMB_OPT_REQUEST,
689 	    offsetof(smb_session_t, s_req_list.sl_list),
690 	    "smbreq", "smb_request"},
691 	{ SMB_OPT_USER | SMB_OPT_TREE | SMB_OPT_OFILE | SMB_OPT_ODIR,
692 	    offsetof(smb_session_t, s_user_list.ll_list),
693 	    "smbuser", "smb_user"},
694 	{ 0, 0, NULL, NULL}
695 };
696 
697 static void
698 smb_dcmd_session_help(void)
699 {
700 	mdb_printf(
701 	    "Display the contents of smb_session_t, with optional"
702 	    " filtering.\n\n");
703 	(void) mdb_dec_indent(2);
704 	mdb_printf("%<b>OPTIONS%</b>\n");
705 	(void) mdb_inc_indent(2);
706 	mdb_printf(
707 	    "-v\tDisplay verbose smb_session information\n"
708 	    "-r\tDisplay the list of smb requests attached\n"
709 	    "-u\tDisplay the list of users attached\n");
710 }
711 
712 /*
713  * ::smbsess
714  *
715  * smbsess dcmd - Print out the smb_session structure.
716  */
717 static int
718 smb_dcmd_session(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
719 {
720 	uint_t		opts;
721 	ulong_t		indent = 0;
722 
723 	if (smb_dcmd_getopt(&opts, argc, argv))
724 		return (DCMD_USAGE);
725 
726 	if (!(flags & DCMD_ADDRSPEC)) {
727 		opts |= SMB_OPT_SESSION;
728 		opts &= ~SMB_OPT_SERVER;
729 		return (smb_obj_list("smb_session", opts, flags));
730 	}
731 
732 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_SESSION)) ||
733 	    !(opts & SMB_OPT_WALK)) {
734 		smb_session_t	*se;
735 		const char	*state;
736 
737 		indent = SMB_DCMD_INDENT;
738 
739 		se = mdb_alloc(sizeof (*se), UM_SLEEP | UM_GC);
740 		if (mdb_vread(se, sizeof (*se), addr) == -1) {
741 			mdb_warn("failed to read smb_session at %p", addr);
742 			return (DCMD_ERR);
743 		}
744 		if (se->s_state >= SMB_SESSION_STATE_SENTINEL)
745 			state = "INVALID";
746 		else
747 			state = smb_session_state[se->s_state];
748 
749 		if (opts & SMB_OPT_VERBOSE) {
750 			mdb_printf("%<b>%<u>SMB session information "
751 			    "(%p): %</u>%</b>\n", addr);
752 			switch (se->ipaddr.a_family) {
753 			case AF_INET:
754 				mdb_printf("Client IP address: %I\n",
755 				    se->ipaddr.a_ipv4);
756 				mdb_printf("Local IP Address: %I\n",
757 				    se->local_ipaddr.a_ipv4);
758 				break;
759 			case AF_INET6:
760 				mdb_printf("Client IP address: %N\n",
761 				    &(se->ipaddr.a_ipv6));
762 				mdb_printf("Local IP Address: %N\n",
763 				    &(se->local_ipaddr.a_ipv6));
764 				break;
765 			default:
766 				mdb_printf("Client IP address: unknown\n");
767 				mdb_printf("Local IP Address: unknown\n");
768 			}
769 			mdb_printf("Session KID: %u\n", se->s_kid);
770 			mdb_printf("Workstation Name: %s\n",
771 			    se->workstation);
772 			mdb_printf("Session state: %u (%s)\n", se->s_state,
773 			    state);
774 			mdb_printf("Number of Users: %u\n",
775 			    se->s_user_list.ll_count);
776 			mdb_printf("Number of Trees: %u\n", se->s_tree_cnt);
777 			mdb_printf("Number of Files: %u\n", se->s_file_cnt);
778 			mdb_printf("Number of Shares: %u\n", se->s_dir_cnt);
779 			mdb_printf("Number of active Transact.: %u\n\n",
780 			    se->s_xa_list.ll_count);
781 		} else {
782 			char	cipaddr[INET6_ADDRSTRLEN];
783 			char	lipaddr[INET6_ADDRSTRLEN];
784 			int	ipaddrstrlen;
785 
786 			switch (se->ipaddr.a_family) {
787 			case AF_INET:
788 				ipaddrstrlen = INET_ADDRSTRLEN;
789 				(void) mdb_snprintf(cipaddr, sizeof (cipaddr),
790 				    "%I", se->ipaddr.a_ipv4);
791 				(void) mdb_snprintf(lipaddr, sizeof (lipaddr),
792 				    "%I", se->local_ipaddr.a_ipv4);
793 				break;
794 			case AF_INET6:
795 				ipaddrstrlen = INET6_ADDRSTRLEN;
796 				(void) mdb_snprintf(cipaddr, sizeof (cipaddr),
797 				    "%N", &(se->ipaddr.a_ipv6));
798 				(void) mdb_snprintf(lipaddr, sizeof (lipaddr),
799 				    "%N", &(se->local_ipaddr.a_ipv6));
800 				break;
801 			default:
802 				ipaddrstrlen = INET_ADDRSTRLEN;
803 				(void) mdb_snprintf(cipaddr, sizeof (cipaddr),
804 				    "unknown");
805 				(void) mdb_snprintf(lipaddr, sizeof (lipaddr),
806 				    "unknown");
807 			}
808 
809 			if (DCMD_HDRSPEC(flags)) {
810 				mdb_printf(
811 				    "%<b>%<u>%-?s %-*s %-*s %-16s%</u>%</b>\n",
812 				    "SESSION", ipaddrstrlen, "CLIENT_IP_ADDR",
813 				    ipaddrstrlen, "LOCAL_IP_ADDR", "STATE");
814 			}
815 			mdb_printf("%-?p %-*s %-*s %s\n", addr, ipaddrstrlen,
816 			    cipaddr, ipaddrstrlen, lipaddr, state);
817 		}
818 	}
819 	if (smb_obj_expand(addr, opts, smb_session_exp, indent))
820 		return (DCMD_ERR);
821 	return (DCMD_OK);
822 }
823 
824 /*
825  * *****************************************************************************
826  * **************************** smb_request_t **********************************
827  * *****************************************************************************
828  */
829 
830 static const char *smb_request_state[SMB_REQ_STATE_SENTINEL] =
831 {
832 	"FREE",
833 	"INITIALIZING",
834 	"SUBMITTED",
835 	"ACTIVE",
836 	"WAITING_EVENT",
837 	"EVENT_OCCURRED",
838 	"WAITING_LOCK",
839 	"COMPLETED",
840 	"CANCELED",
841 	"CLEANED_UP"
842 };
843 
844 #define	SMB_REQUEST_BANNER	\
845 	"%<b>%<u>%-?s %-?s %-14s %-14s %-16s %-32s%</u>%</b>\n"
846 #define	SMB_REQUEST_FORMAT	\
847 	"%-?p %-?p %-14lld %-14lld %-16s %s\n"
848 
849 static int
850 smb_dcmd_request(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
851 {
852 	uint_t		opts;
853 
854 	if (smb_dcmd_getopt(&opts, argc, argv))
855 		return (DCMD_USAGE);
856 
857 	if (!(flags & DCMD_ADDRSPEC)) {
858 		opts |= SMB_OPT_REQUEST;
859 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_USER);
860 		return (smb_obj_list("smb_request", opts, flags));
861 	}
862 
863 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_REQUEST)) ||
864 	    !(opts & SMB_OPT_WALK)) {
865 		smb_request_t	*sr;
866 		const char	*state;
867 		uint64_t	waiting;
868 		uint64_t	running;
869 
870 		sr = mdb_alloc(sizeof (*sr), UM_SLEEP | UM_GC);
871 		if (mdb_vread(sr, sizeof (*sr), addr) == -1) {
872 			mdb_warn("failed to read smb_request at %p", addr);
873 			return (DCMD_ERR);
874 		}
875 		if (sr->sr_magic != SMB_REQ_MAGIC) {
876 			mdb_warn("not an smb_request_t (%p)>", addr);
877 			return (DCMD_ERR);
878 		}
879 		waiting = 0;
880 		running = 0;
881 		if (sr->sr_time_submitted != 0) {
882 			if (sr->sr_time_active != 0) {
883 				waiting = sr->sr_time_active -
884 				    sr->sr_time_submitted;
885 				running = mdb_gethrtime() -
886 				    sr->sr_time_active;
887 			} else {
888 				waiting = mdb_gethrtime() -
889 				    sr->sr_time_submitted;
890 			}
891 		}
892 		waiting /= NANOSEC;
893 		running /= NANOSEC;
894 
895 		if (sr->sr_state >= SMB_REQ_STATE_SENTINEL)
896 			state = "INVALID";
897 		else
898 			state = smb_request_state[sr->sr_state];
899 
900 		if (opts & SMB_OPT_VERBOSE) {
901 			mdb_printf(
902 			    "%</b>%</u>SMB request information (%p):"
903 			    "%</u>%</b>\n\n", addr);
904 
905 			mdb_printf(
906 			    "first SMB COM: %u (%s)\n"
907 			    "current SMB COM: %u (%s)\n"
908 			    "state: %u (%s)\n"
909 			    "TID(tree): %u (%p)\n"
910 			    "UID(user): %u (%p)\n"
911 			    "FID(file): %u (%p)\n"
912 			    "PID: %u\n"
913 			    "MID: %u\n\n"
914 			    "waiting time: %lld\n"
915 			    "running time: %lld\n",
916 			    sr->first_smb_com,
917 			    smb_com[sr->first_smb_com].smb_com,
918 			    sr->smb_com,
919 			    smb_com[sr->smb_com].smb_com,
920 			    sr->sr_state, state,
921 			    sr->smb_tid, sr->tid_tree,
922 			    sr->smb_uid, sr->uid_user,
923 			    sr->smb_fid, sr->fid_ofile,
924 			    sr->smb_pid,
925 			    sr->smb_mid,
926 			    waiting,
927 			    running);
928 
929 			smb_worker_findstack((uintptr_t)sr->sr_worker);
930 		} else {
931 			if (DCMD_HDRSPEC(flags))
932 				mdb_printf(
933 				    SMB_REQUEST_BANNER,
934 				    "ADDR",
935 				    "WORKER",
936 				    "WAITING(s)",
937 				    "RUNNING(s)",
938 				    "STATE",
939 				    "COMMAND");
940 
941 			mdb_printf(SMB_REQUEST_FORMAT,
942 			    addr,
943 			    sr->sr_worker,
944 			    waiting,
945 			    running,
946 			    state,
947 			    smb_com[sr->smb_com].smb_com);
948 		}
949 	}
950 	return (DCMD_OK);
951 }
952 
953 /*
954  * *****************************************************************************
955  * ****************************** smb_user_t ***********************************
956  * *****************************************************************************
957  */
958 
959 static const char *smb_user_state[SMB_USER_STATE_SENTINEL] =
960 {
961 	"LOGGED_IN",
962 	"LOGGING_OFF",
963 	"LOGGED_OFF"
964 };
965 
966 /*
967  * List of objects that can be expanded under a user structure.
968  */
969 static const smb_exp_t smb_user_exp[] =
970 {
971 	{ SMB_OPT_TREE | SMB_OPT_OFILE | SMB_OPT_ODIR,
972 	    offsetof(smb_user_t, u_tree_list.ll_list),
973 	    "smbtree", "smb_tree"},
974 	{ 0, 0, NULL, NULL}
975 };
976 
977 static void
978 smb_dcmd_user_help(void)
979 {
980 	mdb_printf(
981 	    "Display the contents of smb_user_t, with optional filtering.\n\n");
982 	(void) mdb_dec_indent(2);
983 	mdb_printf("%<b>OPTIONS%</b>\n");
984 	(void) mdb_inc_indent(2);
985 	mdb_printf(
986 	    "-v\tDisplay verbose smb_user information\n"
987 	    "-d\tDisplay the list of smb_odirs attached\n"
988 	    "-f\tDisplay the list of smb_ofiles attached\n"
989 	    "-t\tDisplay the list of smb_trees attached\n");
990 }
991 
992 static int
993 smb_dcmd_user(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
994 {
995 	uint_t		opts;
996 	ulong_t		indent = 0;
997 
998 	if (smb_dcmd_getopt(&opts, argc, argv))
999 		return (DCMD_USAGE);
1000 
1001 	if (!(flags & DCMD_ADDRSPEC)) {
1002 		opts |= SMB_OPT_USER;
1003 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST);
1004 		return (smb_obj_list("smb_user", opts, flags));
1005 	}
1006 
1007 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_USER)) ||
1008 	    !(opts & SMB_OPT_WALK)) {
1009 		smb_user_t	*user;
1010 		char		*account;
1011 
1012 		indent = SMB_DCMD_INDENT;
1013 
1014 		user = mdb_alloc(sizeof (*user), UM_SLEEP | UM_GC);
1015 		if (mdb_vread(user, sizeof (*user), addr) == -1) {
1016 			mdb_warn("failed to read smb_user at %p", addr);
1017 			return (DCMD_ERR);
1018 		}
1019 		account = mdb_zalloc(user->u_domain_len + user->u_name_len + 2,
1020 		    UM_SLEEP | UM_GC);
1021 
1022 		if (user->u_domain_len)
1023 			(void) mdb_vread(account, user->u_domain_len,
1024 			    (uintptr_t)user->u_domain);
1025 
1026 		strcat(account, "\\");
1027 
1028 		if (user->u_name_len)
1029 			(void) mdb_vread(account + strlen(account),
1030 			    user->u_name_len, (uintptr_t)user->u_name);
1031 
1032 		if (opts & SMB_OPT_VERBOSE) {
1033 			const char	*state;
1034 
1035 			if (user->u_state >= SMB_USER_STATE_SENTINEL)
1036 				state = "INVALID";
1037 			else
1038 				state = smb_user_state[user->u_state];
1039 
1040 			mdb_printf("%<b>%<u>SMB user information (%p):"
1041 			    "%</u>%</b>\n", addr);
1042 			mdb_printf("UID: %u\n", user->u_uid);
1043 			mdb_printf("State: %d (%s)\n", user->u_state, state);
1044 			mdb_printf("Flags: 0x%08x\n", user->u_flags);
1045 			mdb_printf("Privileges: 0x%08x\n", user->u_privileges);
1046 			mdb_printf("Credential: %p\n", user->u_cred);
1047 			mdb_printf("Reference Count: %d\n", user->u_refcnt);
1048 			mdb_printf("User Account: %s\n\n", account);
1049 		} else {
1050 			if (DCMD_HDRSPEC(flags))
1051 				mdb_printf(
1052 				    "%<b>%<u>%?-s "
1053 				    "%-5s "
1054 				    "%-32s%</u>%</b>\n",
1055 				    "USER", "UID", "ACCOUNT");
1056 
1057 			mdb_printf("%-?p %-5u %-32s\n", addr, user->u_uid,
1058 			    account);
1059 		}
1060 	}
1061 	if (smb_obj_expand(addr, opts, smb_user_exp, indent))
1062 		return (DCMD_ERR);
1063 	return (DCMD_OK);
1064 }
1065 
1066 /*
1067  * *****************************************************************************
1068  * ****************************** smb_tree_t ***********************************
1069  * *****************************************************************************
1070  */
1071 
1072 static const char *smb_tree_state[SMB_TREE_STATE_SENTINEL] =
1073 {
1074 	"CONNECTED",
1075 	"DISCONNECTING",
1076 	"DISCONNECTED"
1077 };
1078 
1079 /*
1080  * List of objects that can be expanded under a tree structure.
1081  */
1082 static const smb_exp_t smb_tree_exp[] =
1083 {
1084 	{ SMB_OPT_OFILE,
1085 	    offsetof(smb_tree_t, t_ofile_list.ll_list),
1086 	    "smbofile", "smb_ofile"},
1087 	{ SMB_OPT_ODIR,
1088 	    offsetof(smb_tree_t, t_odir_list.ll_list),
1089 	    "smbodir", "smb_odir"},
1090 	{ 0, 0, NULL, NULL}
1091 };
1092 
1093 static void
1094 smb_dcmd_tree_help(void)
1095 {
1096 	mdb_printf(
1097 	    "Display the contents of smb_tree_t, with optional filtering.\n\n");
1098 	(void) mdb_dec_indent(2);
1099 	mdb_printf("%<b>OPTIONS%</b>\n");
1100 	(void) mdb_inc_indent(2);
1101 	mdb_printf(
1102 	    "-v\tDisplay verbose smb_tree information\n"
1103 	    "-d\tDisplay the list of smb_odirs attached\n"
1104 	    "-f\tDisplay the list of smb_ofiles attached\n");
1105 }
1106 
1107 static int
1108 smb_dcmd_tree(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1109 {
1110 	uint_t		opts;
1111 	ulong_t		indent = 0;
1112 
1113 	if (smb_dcmd_getopt(&opts, argc, argv))
1114 		return (DCMD_USAGE);
1115 
1116 	if (!(flags & DCMD_ADDRSPEC)) {
1117 		opts |= SMB_OPT_TREE;
1118 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST |
1119 		    SMB_OPT_USER);
1120 		return (smb_obj_list("smb_tree", opts, flags));
1121 	}
1122 
1123 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_TREE)) ||
1124 	    !(opts & SMB_OPT_WALK)) {
1125 		smb_tree_t	*tree;
1126 
1127 		indent = SMB_DCMD_INDENT;
1128 
1129 		tree = mdb_alloc(sizeof (*tree), UM_SLEEP | UM_GC);
1130 		if (mdb_vread(tree, sizeof (*tree), addr) == -1) {
1131 			mdb_warn("failed to read smb_tree at %p", addr);
1132 			return (DCMD_ERR);
1133 		}
1134 		if (opts & SMB_OPT_VERBOSE) {
1135 			const char	*state;
1136 
1137 			if (tree->t_state >= SMB_TREE_STATE_SENTINEL)
1138 				state = "INVALID";
1139 			else
1140 				state = smb_tree_state[tree->t_state];
1141 
1142 			mdb_printf("%<b>%<u>SMB tree information (%p):"
1143 			    "%</u>%</b>\n\n", addr);
1144 			mdb_printf("TID: %04x\n", tree->t_tid);
1145 			mdb_printf("State: %d (%s)\n", tree->t_state, state);
1146 			mdb_printf("Share: %s\n", tree->t_sharename);
1147 			mdb_printf("Resource: %s\n", tree->t_resource);
1148 			mdb_printf("Type: %s\n", tree->t_typename);
1149 			mdb_printf("Volume: %s\n", tree->t_volume);
1150 			mdb_printf("Umask: %04x\n", tree->t_umask);
1151 			mdb_printf("Flags: %08x\n", tree->t_flags);
1152 			mdb_printf("SMB Node: %llx\n", tree->t_snode);
1153 			mdb_printf("Reference Count: %d\n\n", tree->t_refcnt);
1154 		} else {
1155 			if (DCMD_HDRSPEC(flags))
1156 				mdb_printf(
1157 				    "%<b>%<u>%-?s %-5s %-16s %-32s%</u>%</b>\n",
1158 				    "TREE", "TID", "SHARE NAME", "RESOURCE");
1159 
1160 			mdb_printf("%-?p %-5u %-16s %-32s\n", addr,
1161 			    tree->t_tid, tree->t_sharename, tree->t_resource);
1162 		}
1163 	}
1164 	if (smb_obj_expand(addr, opts, smb_tree_exp, indent))
1165 		return (DCMD_ERR);
1166 	return (DCMD_OK);
1167 }
1168 
1169 /*
1170  * *****************************************************************************
1171  * ****************************** smb_odir_t ***********************************
1172  * *****************************************************************************
1173  */
1174 
1175 static const char *smb_odir_state[SMB_ODIR_STATE_SENTINEL] =
1176 {
1177 	"OPEN",
1178 	"IN_USE",
1179 	"CLOSING",
1180 	"CLOSED"
1181 };
1182 
1183 static int
1184 smb_dcmd_odir(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1185 {
1186 	uint_t		opts;
1187 
1188 	if (smb_dcmd_getopt(&opts, argc, argv))
1189 		return (DCMD_USAGE);
1190 
1191 	if (!(flags & DCMD_ADDRSPEC)) {
1192 		opts |= SMB_OPT_ODIR;
1193 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST |
1194 		    SMB_OPT_USER | SMB_OPT_TREE | SMB_OPT_OFILE);
1195 		return (smb_obj_list("smb_odir", opts, flags));
1196 	}
1197 
1198 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_ODIR)) ||
1199 	    !(opts & SMB_OPT_WALK)) {
1200 		smb_odir_t	*od;
1201 
1202 		od = mdb_alloc(sizeof (*od), UM_SLEEP | UM_GC);
1203 		if (mdb_vread(od, sizeof (*od), addr) == -1) {
1204 			mdb_warn("failed to read smb_odir at %p", addr);
1205 			return (DCMD_ERR);
1206 		}
1207 		if (opts & SMB_OPT_VERBOSE) {
1208 			const char	*state;
1209 
1210 			if (od->d_state >= SMB_ODIR_STATE_SENTINEL)
1211 				state = "INVALID";
1212 			else
1213 				state = smb_odir_state[od->d_state];
1214 
1215 			mdb_printf(
1216 			    "%<b>%<u>SMB odir information (%p):%</u>%</b>\n\n",
1217 			    addr);
1218 			mdb_printf("State: %d (%s)\n", od->d_state, state);
1219 			mdb_printf("SID: %u\n", od->d_odid);
1220 			mdb_printf("Reference Count: %d\n", od->d_refcnt);
1221 			mdb_printf("Pattern: %s\n", od->d_pattern);
1222 			mdb_printf("SMB Node: %p\n\n", od->d_dnode);
1223 		} else {
1224 			if (DCMD_HDRSPEC(flags))
1225 				mdb_printf(
1226 				    "%<b>%<u>%-?s "
1227 				    "%-5s "
1228 				    "%-?s "
1229 				    "%-16s%</u>%</b>\n",
1230 				    "ODIR", "SID", "VNODE", "PATTERN");
1231 
1232 			mdb_printf("%?p %-5u %-16p %s\n",
1233 			    addr, od->d_odid, od->d_dnode, od->d_pattern);
1234 		}
1235 	}
1236 	return (DCMD_OK);
1237 }
1238 
1239 /*
1240  * *****************************************************************************
1241  * ****************************** smb_ofile_t **********************************
1242  * *****************************************************************************
1243  */
1244 
1245 static const char *smb_ofile_state[SMB_OFILE_STATE_SENTINEL] =
1246 {
1247 	"OPEN",
1248 	"CLOSING",
1249 	"CLOSED"
1250 };
1251 
1252 static int
1253 smb_dcmd_ofile(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1254 {
1255 	uint_t		opts;
1256 
1257 	if (smb_dcmd_getopt(&opts, argc, argv))
1258 		return (DCMD_USAGE);
1259 
1260 	if (!(flags & DCMD_ADDRSPEC)) {
1261 		opts |= SMB_OPT_OFILE;
1262 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST |
1263 		    SMB_OPT_USER | SMB_OPT_TREE | SMB_OPT_ODIR);
1264 		return (smb_obj_list("smb_ofile", opts, flags));
1265 	}
1266 
1267 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_OFILE)) ||
1268 	    !(opts & SMB_OPT_WALK)) {
1269 		smb_ofile_t	*of;
1270 
1271 		of = mdb_alloc(sizeof (*of), UM_SLEEP | UM_GC);
1272 		if (mdb_vread(of, sizeof (*of), addr) == -1) {
1273 			mdb_warn("failed to read smb_ofile at %p", addr);
1274 			return (DCMD_ERR);
1275 		}
1276 		if (opts & SMB_OPT_VERBOSE) {
1277 			const char	*state;
1278 
1279 			if (of->f_state >= SMB_OFILE_STATE_SENTINEL)
1280 				state = "INVALID";
1281 			else
1282 				state = smb_ofile_state[of->f_state];
1283 
1284 			mdb_printf(
1285 			    "%<b>%<u>SMB ofile information (%p):%</u>%</b>\n\n",
1286 			    addr);
1287 			mdb_printf("FID: %u\n", of->f_fid);
1288 			mdb_printf("State: %d (%s)\n", of->f_state, state);
1289 			mdb_printf("SMB Node: %p\n", of->f_node);
1290 			mdb_printf("LLF Offset: 0x%llx (%s)\n",
1291 			    of->f_llf_pos,
1292 			    ((of->f_flags & SMB_OFLAGS_LLF_POS_VALID) ?
1293 			    "Valid" : "Invalid"));
1294 			mdb_printf("Flags: 0x%08x\n", of->f_flags);
1295 			mdb_printf("Credential: %p\n\n", of->f_cr);
1296 		} else {
1297 			if (DCMD_HDRSPEC(flags))
1298 				mdb_printf(
1299 				    "%<b>%<u>%-?s "
1300 				    "%-5s "
1301 				    "%-?s "
1302 				    "%-?s%</u>%</b>\n",
1303 				    "OFILE", "FID", "SMB NODE", "CRED");
1304 
1305 			mdb_printf("%?p %-5u %-p %p\n", addr,
1306 			    of->f_fid, of->f_node, of->f_cr);
1307 		}
1308 	}
1309 	return (DCMD_OK);
1310 }
1311 
1312 /*
1313  * *****************************************************************************
1314  * ******************************** smb_kshare_t *******************************
1315  * *****************************************************************************
1316  */
1317 
1318 static int
1319 smb_kshare_cb(uintptr_t addr, const void *data, void *arg)
1320 {
1321 	uint_t *opts = arg;
1322 	uintptr_t ta, sa;
1323 	char name[32];
1324 	char path[64];
1325 	_NOTE(ARGUNUSED(data));
1326 
1327 	if (*opts & SMB_OPT_VERBOSE) {
1328 		mdb_arg_t	argv;
1329 
1330 		argv.a_type = MDB_TYPE_STRING;
1331 		argv.a_un.a_str = "smb_kshare_t";
1332 		/* Don't fail the walk if this fails. */
1333 		mdb_call_dcmd("print", addr, 0, 1, &argv);
1334 	} else {
1335 		/*
1336 		 * Summary line for a kshare
1337 		 * Don't fail the walk if any of these fail.
1338 		 */
1339 		ta = addr + OFFSETOF(smb_kshare_t, shr_name);
1340 		if (mdb_vread(&sa, sizeof (sa), ta) < 0 ||
1341 		    mdb_readstr(name, sizeof (name), sa) <= 0)
1342 			strcpy(name, "?");
1343 
1344 		ta = addr + OFFSETOF(smb_kshare_t, shr_path);
1345 		if (mdb_vread(&sa, sizeof (sa), ta) < 0 ||
1346 		    mdb_readstr(path, sizeof (path), sa) <= 0)
1347 			strcpy(path, "?");
1348 
1349 		mdb_printf("%-?p ", addr);	/* smb_kshare_t */
1350 		mdb_printf("%-16s ", name);
1351 		mdb_printf("%-s", path);
1352 		mdb_printf("\n");
1353 	}
1354 
1355 	return (WALK_NEXT);
1356 }
1357 
1358 /*
1359  * ::smbshares
1360  *
1361  * dcmd - Print out smb_kshare structures.
1362  */
1363 /*ARGSUSED*/
1364 static int
1365 smb_dcmd_kshare(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1366 {
1367 	GElf_Sym	sym;
1368 	uint_t		opts = 0;
1369 
1370 	if (mdb_getopts(argc, argv,
1371 	    'v', MDB_OPT_SETBITS, SMB_OPT_VERBOSE, &opts,
1372 	    NULL) != argc)
1373 		return (DCMD_USAGE);
1374 
1375 	if (!(flags & DCMD_ADDRSPEC)) {
1376 		if (mdb_lookup_by_name("smb_export", &sym) == -1) {
1377 			mdb_warn("failed to find symbol smb_export");
1378 			return (DCMD_ERR);
1379 		}
1380 		addr = (uintptr_t)sym.st_value +
1381 		    OFFSETOF(smb_export_t, e_share_avl.avl_tree);
1382 	}
1383 
1384 	if (DCMD_HDRSPEC(flags)) {
1385 		mdb_printf(
1386 		    "%<b>%<u>"
1387 		    "%-?s "
1388 		    "%-16s "
1389 		    "%-s"
1390 		    "%</u>%</b>\n",
1391 		    "smb_kshare_t", "name", "path");
1392 	}
1393 
1394 	if (mdb_pwalk("genunix`avl", smb_kshare_cb, &opts, addr) == -1) {
1395 		mdb_warn("cannot walk smb_kshare avl");
1396 		return (DCMD_ERR);
1397 	}
1398 
1399 	return (DCMD_OK);
1400 }
1401 
1402 /*
1403  * *****************************************************************************
1404  * ******************************** smb_vfs_t **********************************
1405  * *****************************************************************************
1406  */
1407 
1408 /*
1409  * ::smbvfs
1410  *
1411  * smbvfs dcmd - Prints out smb_vfs structures.
1412  */
1413 /*ARGSUSED*/
1414 static int
1415 smb_dcmd_vfs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1416 {
1417 	int		verbose = FALSE;
1418 	smb_vfs_t	*sf;
1419 	vnode_t		*vn;
1420 	char		*path;
1421 
1422 	if (mdb_getopts(argc, argv,
1423 	    'v', MDB_OPT_SETBITS, TRUE, &verbose,
1424 	    NULL) != argc)
1425 		return (DCMD_USAGE);
1426 
1427 	/*
1428 	 * If no smb_vfs address was specified on the command line, we can
1429 	 * print out all smb_vfs by invoking the smb_vfs walker, using
1430 	 * this dcmd itself as the callback.
1431 	 */
1432 	if (!(flags & DCMD_ADDRSPEC)) {
1433 		if (mdb_walk_dcmd("smbvfs_walker", "smbvfs",
1434 		    argc, argv) == -1) {
1435 			mdb_warn("failed to walk 'smb_vfs'");
1436 			return (DCMD_ERR);
1437 		}
1438 		return (DCMD_OK);
1439 	}
1440 
1441 	if (DCMD_HDRSPEC(flags)) {
1442 		mdb_printf(
1443 		    "%<b>%<u>"
1444 		    "%-?s "
1445 		    "%-10s "
1446 		    "%-16s "
1447 		    "%-16s"
1448 		    "%-s"
1449 		    "%</u>%</b>\n",
1450 		    "SMB_VFS", "REFCNT", "VFS", "VNODE", "ROOT");
1451 	}
1452 
1453 	sf = mdb_alloc(sizeof (*sf), UM_SLEEP | UM_GC);
1454 	if (mdb_vread(sf, sizeof (*sf), addr) == -1) {
1455 		mdb_warn("failed to read smb_vfs at %p", addr);
1456 		return (DCMD_ERR);
1457 	}
1458 
1459 	vn = mdb_alloc(sizeof (*vn), UM_SLEEP | UM_GC);
1460 	if (mdb_vread(vn, sizeof (*vn),
1461 	    (uintptr_t)sf->sv_rootvp) == -1) {
1462 		mdb_warn("failed to read vnode at %p", sf->sv_rootvp);
1463 		return (DCMD_ERR);
1464 	}
1465 
1466 	path = mdb_zalloc(MAXPATHLEN, UM_SLEEP | UM_GC);
1467 	(void) mdb_vread(path, MAXPATHLEN, (uintptr_t)vn->v_path);
1468 
1469 	mdb_printf(
1470 	    "%-?p %-10d %-?p %-?p %-s\n", addr, sf->sv_refcnt,
1471 	    sf->sv_vfsp, sf->sv_rootvp, path);
1472 
1473 	return (DCMD_OK);
1474 }
1475 
1476 /*
1477  * Initialize the smb_vfs_t walker by reading the value of smb_export
1478  * in the kernel's symbol table. Only global walk supported.
1479  */
1480 static int
1481 smb_vfs_walk_init(mdb_walk_state_t *wsp)
1482 {
1483 	GElf_Sym	sym;
1484 
1485 	if (wsp->walk_addr != NULL) {
1486 		mdb_printf("smb_vfs walk only supports global walks\n");
1487 		return (WALK_ERR);
1488 	}
1489 
1490 	if (mdb_lookup_by_name("smb_export", &sym) == -1) {
1491 		mdb_warn("failed to find 'smb_export'");
1492 		return (WALK_ERR);
1493 	}
1494 
1495 	wsp->walk_addr = (uintptr_t)sym.st_value +
1496 	    offsetof(smb_export_t, e_vfs_list) + offsetof(smb_llist_t, ll_list);
1497 
1498 	if (mdb_layered_walk("list", wsp) == -1) {
1499 		mdb_warn("failed to walk list of VFS");
1500 		return (WALK_ERR);
1501 	}
1502 
1503 	return (WALK_NEXT);
1504 }
1505 
1506 static int
1507 smb_vfs_walk_step(mdb_walk_state_t *wsp)
1508 {
1509 	return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
1510 	    wsp->walk_cbdata));
1511 }
1512 
1513 /*
1514  * *****************************************************************************
1515  * ******************************* smb_node_t **********************************
1516  * *****************************************************************************
1517  */
1518 
1519 static void
1520 smb_node_help(void)
1521 {
1522 	mdb_printf(
1523 	    "Display the contents of smb_node_t, with optional filtering.\n\n");
1524 	(void) mdb_dec_indent(2);
1525 	mdb_printf("%<b>OPTIONS%</b>\n");
1526 	(void) mdb_inc_indent(2);
1527 	mdb_printf(
1528 	    "-v\tDisplay verbose smb_node information\n"
1529 	    "-p\tDisplay the full path of the vnode associated\n"
1530 	    "-s\tDisplay the stack of the last 16 calls that modified the "
1531 	    "reference\n\tcount\n");
1532 }
1533 
1534 /*
1535  * ::smbnode
1536  *
1537  * smb_node dcmd - Print out smb_node structure.
1538  */
1539 static int
1540 smb_dcmd_node(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1541 {
1542 	smb_node_t	node;
1543 	int		rc;
1544 	int		verbose = FALSE;
1545 	int		print_full_path = FALSE;
1546 	int		stack_trace = FALSE;
1547 	vnode_t		vnode;
1548 	char		od_name[MAXNAMELEN];
1549 	char		path_name[1024];
1550 	uintptr_t	list_addr, oplock_addr;
1551 
1552 	if (mdb_getopts(argc, argv,
1553 	    'v', MDB_OPT_SETBITS, TRUE, &verbose,
1554 	    'p', MDB_OPT_SETBITS, TRUE, &print_full_path,
1555 	    's', MDB_OPT_SETBITS, TRUE, &stack_trace,
1556 	    NULL) != argc)
1557 		return (DCMD_USAGE);
1558 
1559 	/*
1560 	 * If no smb_node address was specified on the command line, we can
1561 	 * print out all smb nodes by invoking the smb_node walker, using
1562 	 * this dcmd itself as the callback.
1563 	 */
1564 	if (!(flags & DCMD_ADDRSPEC)) {
1565 		if (mdb_walk_dcmd("smbnode_walker", "smbnode",
1566 		    argc, argv) == -1) {
1567 			mdb_warn("failed to walk 'smb_node'");
1568 			return (DCMD_ERR);
1569 		}
1570 		return (DCMD_OK);
1571 	}
1572 
1573 	/*
1574 	 * If this is the first invocation of the command, print a nice
1575 	 * header line for the output that will follow.
1576 	 */
1577 	if (DCMD_HDRSPEC(flags)) {
1578 		if (verbose) {
1579 			mdb_printf("%<b>%<u>SMB node information:%</u>%</b>\n");
1580 		} else {
1581 			mdb_printf(
1582 			    "%<b>%<u>%-?s "
1583 			    "%-?s "
1584 			    "%-18s "
1585 			    "%-6s "
1586 			    "%-6s "
1587 			    "%-8s "
1588 			    "%-6s%</u>%</b>\n",
1589 			    "ADDR", "VP", "NODE-NAME", "OFILES", "LOCKS",
1590 			    "OPLOCK", "REF");
1591 		}
1592 	}
1593 
1594 	/*
1595 	 * For each smb_node, we just need to read the smb_node_t struct, read
1596 	 * and then print out the following fields.
1597 	 */
1598 	if (mdb_vread(&node, sizeof (node), addr) == sizeof (node)) {
1599 		(void) mdb_snprintf(od_name, sizeof (od_name), "%s",
1600 		    node.od_name);
1601 		if (print_full_path) {
1602 			if (mdb_vread(&vnode, sizeof (vnode_t),
1603 			    (uintptr_t)node.vp) == sizeof (vnode_t)) {
1604 				if (mdb_readstr(path_name, sizeof (path_name),
1605 				    (uintptr_t)vnode.v_path) != 0) {
1606 					(void) mdb_snprintf(od_name,
1607 					    sizeof (od_name), "N/A");
1608 				}
1609 			}
1610 		}
1611 		if (verbose) {
1612 			mdb_printf("VP: %p\n", node.vp);
1613 			mdb_printf("Name: %s\n", od_name);
1614 			if (print_full_path)
1615 				mdb_printf("V-node Path: %s\n", path_name);
1616 			mdb_printf("Ofiles: %u\n", node.n_ofile_list.ll_count);
1617 			mdb_printf("Range Locks: %u\n",
1618 			    node.n_lock_list.ll_count);
1619 			if (node.n_lock_list.ll_count != 0) {
1620 				(void) mdb_inc_indent(SMB_DCMD_INDENT);
1621 				list_addr = addr +
1622 				    offsetof(smb_node_t, n_lock_list) +
1623 				    offsetof(smb_llist_t, ll_list);
1624 				if (mdb_pwalk_dcmd("list", "smblock", 0,
1625 				    NULL, list_addr)) {
1626 					mdb_warn("failed to walk node's active"
1627 					    " locks");
1628 				}
1629 				(void) mdb_dec_indent(SMB_DCMD_INDENT);
1630 			}
1631 			if (node.n_oplock.ol_count == 0) {
1632 				mdb_printf("Opportunistic Locks: 0\n");
1633 			} else {
1634 				oplock_addr =
1635 				    addr + offsetof(smb_node_t, n_oplock);
1636 				mdb_printf("Opportunistic Lock: %p\n",
1637 				    oplock_addr);
1638 				rc = mdb_call_dcmd("smboplock", oplock_addr,
1639 				    flags, argc, argv);
1640 				if (rc != DCMD_OK)
1641 					return (rc);
1642 			}
1643 			mdb_printf("Reference Count: %u\n\n", node.n_refcnt);
1644 		} else {
1645 			mdb_printf("%-?p %-?p %-18s %-6d %-6d %-8d %-6d ",
1646 			    addr, node.vp, od_name, node.n_ofile_list.ll_count,
1647 			    node.n_lock_list.ll_count,
1648 			    node.n_oplock.ol_count, node.n_refcnt);
1649 
1650 			if (print_full_path)
1651 				mdb_printf("\t%s\n", path_name);
1652 		}
1653 		if (stack_trace && node.n_audit_buf) {
1654 			int ctr;
1655 			smb_audit_buf_node_t *anb;
1656 
1657 			anb = mdb_alloc(sizeof (smb_audit_buf_node_t),
1658 			    UM_SLEEP | UM_GC);
1659 
1660 			if (mdb_vread(anb, sizeof (*anb),
1661 			    (uintptr_t)node.n_audit_buf) != sizeof (*anb)) {
1662 				mdb_warn("failed to read audit buffer");
1663 				return (DCMD_ERR);
1664 			}
1665 			ctr = anb->anb_max_index + 1;
1666 			anb->anb_index--;
1667 			anb->anb_index &= anb->anb_max_index;
1668 
1669 			while (ctr) {
1670 				smb_audit_record_node_t	*anr;
1671 
1672 				anr = anb->anb_records + anb->anb_index;
1673 
1674 				if (anr->anr_depth) {
1675 					char c[MDB_SYM_NAMLEN];
1676 					GElf_Sym sym;
1677 					int i;
1678 
1679 					mdb_printf("\nRefCnt: %u\t",
1680 					    anr->anr_refcnt);
1681 
1682 					for (i = 0;
1683 					    i < anr->anr_depth;
1684 					    i++) {
1685 						if (mdb_lookup_by_addr(
1686 						    anr->anr_stack[i],
1687 						    MDB_SYM_FUZZY,
1688 						    c, sizeof (c),
1689 						    &sym) == -1) {
1690 							continue;
1691 						}
1692 						mdb_printf("%s+0x%1x",
1693 						    c,
1694 						    anr->anr_stack[i] -
1695 						    (uintptr_t)sym.st_value);
1696 						++i;
1697 						break;
1698 					}
1699 
1700 					while (i < anr->anr_depth) {
1701 						if (mdb_lookup_by_addr(
1702 						    anr->anr_stack[i],
1703 						    MDB_SYM_FUZZY,
1704 						    c, sizeof (c),
1705 						    &sym) == -1) {
1706 							++i;
1707 							continue;
1708 						}
1709 						mdb_printf("\n\t\t%s+0x%1x",
1710 						    c,
1711 						    anr->anr_stack[i] -
1712 						    (uintptr_t)sym.st_value);
1713 						++i;
1714 					}
1715 					mdb_printf("\n");
1716 				}
1717 				anb->anb_index--;
1718 				anb->anb_index &= anb->anb_max_index;
1719 				ctr--;
1720 			}
1721 		}
1722 	} else {
1723 		mdb_warn("failed to read struct smb_node at %p", addr);
1724 		return (DCMD_ERR);
1725 	}
1726 
1727 	return (DCMD_OK);
1728 }
1729 
1730 /*
1731  * Initialize the smb_node_t walker by reading the value of smb_node_hash_table
1732  * in the kernel's symbol table. Only global walk supported.
1733  */
1734 static int
1735 smb_node_walk_init(mdb_walk_state_t *wsp)
1736 {
1737 	GElf_Sym	sym;
1738 	int		i;
1739 	uintptr_t	node_hash_table_addr;
1740 
1741 	if (wsp->walk_addr == NULL) {
1742 		if (mdb_lookup_by_name("smb_node_hash_table", &sym) == -1) {
1743 			mdb_warn("failed to find 'smb_node_hash_table'");
1744 			return (WALK_ERR);
1745 		}
1746 		node_hash_table_addr = (uintptr_t)sym.st_value;
1747 	} else {
1748 		mdb_printf("smb_node walk only supports global walks\n");
1749 		return (WALK_ERR);
1750 	}
1751 
1752 	for (i = 0; i < SMBND_HASH_MASK + 1; i++) {
1753 		wsp->walk_addr = node_hash_table_addr +
1754 		    (i * sizeof (smb_llist_t)) + offsetof(smb_llist_t, ll_list);
1755 		if (mdb_layered_walk("list", wsp) == -1) {
1756 			mdb_warn("failed to walk 'list'");
1757 			return (WALK_ERR);
1758 		}
1759 	}
1760 
1761 	return (WALK_NEXT);
1762 }
1763 
1764 static int
1765 smb_node_walk_step(mdb_walk_state_t *wsp)
1766 {
1767 	return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
1768 	    wsp->walk_cbdata));
1769 }
1770 
1771 /*
1772  * *****************************************************************************
1773  * ****************************** smb_lock_t ***********************************
1774  * *****************************************************************************
1775  */
1776 
1777 static int
1778 smb_lock(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1779 {
1780 	smb_lock_t	lock;
1781 	int		verbose = FALSE;
1782 	uintptr_t	list_addr;
1783 	char		*lock_type;
1784 
1785 	if (mdb_getopts(argc, argv,
1786 	    'v', MDB_OPT_SETBITS, TRUE, &verbose,
1787 	    NULL) != argc)
1788 		return (DCMD_USAGE);
1789 
1790 	/*
1791 	 * An smb_lock_t address must be specified.
1792 	 */
1793 	if (!(flags & DCMD_ADDRSPEC))
1794 		return (DCMD_USAGE);
1795 
1796 	/*
1797 	 * If this is the first invocation of the command, print a nice
1798 	 * header line for the output that will follow.
1799 	 */
1800 	if (DCMD_HDRSPEC(flags)) {
1801 		if (verbose)
1802 			mdb_printf("SMB lock information:\n\n");
1803 		else
1804 			mdb_printf("%<u>%-?s %4s %16s %8s %9s%</u>\n",
1805 			    "Locks: ", "TYPE", "START", "LENGTH",
1806 			    "CONFLICTS");
1807 	}
1808 
1809 	if (mdb_vread(&lock, sizeof (lock), addr) == sizeof (lock)) {
1810 		switch (lock.l_type) {
1811 		case SMB_LOCK_TYPE_READWRITE:
1812 			lock_type = "RW";
1813 			break;
1814 		case SMB_LOCK_TYPE_READONLY:
1815 			lock_type = "RO";
1816 			break;
1817 		default:
1818 			lock_type = "N/A";
1819 			break;
1820 		}
1821 		if (verbose) {
1822 			mdb_printf("Type             :\t%s (%u)\n",
1823 			    lock_type, lock.l_type);
1824 			mdb_printf("Start            :\t%llx\n",
1825 			    lock.l_start);
1826 			mdb_printf("Length           :\t%lx\n",
1827 			    lock.l_length);
1828 			mdb_printf("Session          :\t%p\n",
1829 			    lock.l_session);
1830 			mdb_printf("File             :\t%p\n",
1831 			    lock.l_file);
1832 			mdb_printf("User ID          :\t%u\n",
1833 			    lock.l_uid);
1834 			mdb_printf("Process ID       :\t%u\n",
1835 			    lock.l_pid);
1836 			mdb_printf("Conflicts        :\t%u\n",
1837 			    lock.l_conflict_list.sl_count);
1838 			if (lock.l_conflict_list.sl_count != 0) {
1839 				(void) mdb_inc_indent(SMB_DCMD_INDENT);
1840 				list_addr = addr +
1841 				    offsetof(smb_lock_t, l_conflict_list) +
1842 				    offsetof(smb_slist_t, sl_list);
1843 				if (mdb_pwalk_dcmd("list", "smb_lock",
1844 				    0, NULL, list_addr)) {
1845 					mdb_warn("failed to walk conflict "
1846 					    "locks ");
1847 				}
1848 				(void) mdb_dec_indent(SMB_DCMD_INDENT);
1849 			}
1850 			mdb_printf("Blocked by       :\t%p\n",
1851 			    lock.l_blocked_by);
1852 			mdb_printf("Flags            :\t0x%x\n",
1853 			    lock.l_flags);
1854 			mdb_printf("\n");
1855 		} else {
1856 			mdb_printf("%?p %4s %16llx %08lx %9x", addr,
1857 			    lock_type, lock.l_start, lock.l_length,
1858 			    lock.l_conflict_list.sl_count);
1859 		}
1860 	} else {
1861 		mdb_warn("failed to read struct smb_request at %p", addr);
1862 		return (DCMD_ERR);
1863 	}
1864 
1865 	return (DCMD_OK);
1866 }
1867 
1868 /*
1869  * *****************************************************************************
1870  * ************************** smb_oplock_grant_t *******************************
1871  * *****************************************************************************
1872  */
1873 /*ARGSUSED*/
1874 static int
1875 smb_oplock_grant(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1876 {
1877 	smb_oplock_grant_t	grant;
1878 	char			 *level;
1879 
1880 	if (!(flags & DCMD_ADDRSPEC))
1881 		return (DCMD_USAGE);
1882 
1883 	/*
1884 	 * If this is the first invocation of the command, print a nice
1885 	 * header line for the output that will follow.
1886 	 */
1887 	if (DCMD_HDRSPEC(flags)) {
1888 		mdb_printf("%<u>%-16s %-10s %-16s%</u>\n",
1889 		    "Grants:", "LEVEL", "OFILE");
1890 	}
1891 
1892 	if (mdb_vread(&grant, sizeof (grant), addr) == sizeof (grant)) {
1893 		switch (grant.og_level) {
1894 		case SMB_OPLOCK_EXCLUSIVE:
1895 			level = "EXCLUSIVE";
1896 			break;
1897 		case SMB_OPLOCK_BATCH:
1898 			level = "BATCH";
1899 			break;
1900 		case SMB_OPLOCK_LEVEL_II:
1901 			level = "LEVEL_II";
1902 			break;
1903 		default:
1904 			level = "UNKNOWN";
1905 			break;
1906 		}
1907 
1908 		mdb_printf("%-16p %-10s %-16p", addr, level, grant.og_ofile);
1909 	}
1910 	return (DCMD_OK);
1911 }
1912 
1913 /*
1914  * *****************************************************************************
1915  * ***************************** smb_oplock_t **********************************
1916  * *****************************************************************************
1917  */
1918 /*ARGSUSED*/
1919 static int
1920 smb_oplock(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1921 {
1922 	smb_oplock_t	oplock;
1923 	uintptr_t	list_addr;
1924 
1925 	if (!(flags & DCMD_ADDRSPEC))
1926 		return (DCMD_USAGE);
1927 
1928 	if (mdb_vread(&oplock, sizeof (oplock), addr) != sizeof (oplock)) {
1929 		mdb_warn("failed to read struct smb_oplock at %p", addr);
1930 		return (DCMD_ERR);
1931 	}
1932 
1933 	if (oplock.ol_count == 0)
1934 		return (DCMD_OK);
1935 
1936 	(void) mdb_inc_indent(SMB_DCMD_INDENT);
1937 	switch (oplock.ol_break) {
1938 	case SMB_OPLOCK_BREAK_TO_NONE:
1939 		mdb_printf("Break Pending: BREAK_TO_NONE\n");
1940 		break;
1941 	case SMB_OPLOCK_BREAK_TO_LEVEL_II:
1942 		mdb_printf(
1943 		    "Break Pending: BREAK_TO_LEVEL_II\n");
1944 		break;
1945 	default:
1946 		break;
1947 	}
1948 
1949 	list_addr = addr + offsetof(smb_oplock_t, ol_grants);
1950 
1951 	if (mdb_pwalk_dcmd("list", "smboplockgrant",
1952 	    argc, argv, list_addr)) {
1953 		mdb_warn("failed to walk oplock grants");
1954 	}
1955 
1956 	(void) mdb_dec_indent(SMB_DCMD_INDENT);
1957 
1958 	return (DCMD_OK);
1959 }
1960 
1961 /*
1962  * ::smbstat
1963  *
1964  * Prints SMB requests statistics.
1965  */
1966 /*ARGSUSED*/
1967 static int
1968 smb_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1969 {
1970 	smb_server_t	*sv;
1971 
1972 	if (!(flags & DCMD_ADDRSPEC))
1973 		return (DCMD_USAGE);
1974 
1975 	sv = mdb_alloc(sizeof (*sv), UM_SLEEP | UM_GC);
1976 	if (mdb_vread(sv, sizeof (*sv), addr) == -1) {
1977 		mdb_warn("failed to read server object at %p", addr);
1978 		return (DCMD_ERR);
1979 	}
1980 	if (sv->sv_magic != SMB_SERVER_MAGIC) {
1981 		mdb_warn("not an smb_server_t (%p)>", addr);
1982 		return (DCMD_ERR);
1983 	}
1984 	mdb_printf(
1985 	    "\n%<b>  nbt   tcp users trees files pipes%</b>\n"
1986 	    "%5d %5d %5d %5d %5d %5d\n",
1987 	    sv->sv_nbt_sess,
1988 	    sv->sv_tcp_sess,
1989 	    sv->sv_users,
1990 	    sv->sv_trees,
1991 	    sv->sv_files,
1992 	    sv->sv_pipes);
1993 
1994 	return (DCMD_OK);
1995 }
1996 
1997 /*
1998  * *****************************************************************************
1999  * ******************************** smb_ace_t **********************************
2000  * *****************************************************************************
2001  */
2002 static const ace_type_entry_t	ace_types[ACE_TYPE_TABLEN] =
2003 {
2004 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_ACE_TYPE),
2005 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_ACE_TYPE),
2006 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_ACE_TYPE),
2007 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_ACE_TYPE),
2008 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_COMPOUND_ACE_TYPE),
2009 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE),
2010 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_OBJECT_ACE_TYPE),
2011 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE),
2012 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE),
2013 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_CALLBACK_ACE_TYPE),
2014 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_CALLBACK_ACE_TYPE),
2015 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE),
2016 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE),
2017 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_CALLBACK_ACE_TYPE),
2018 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_CALLBACK_ACE_TYPE),
2019 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE),
2020 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE),
2021 	ACE_TYPE_ENTRY(0x11),
2022 	ACE_TYPE_ENTRY(0x12),
2023 	ACE_TYPE_ENTRY(0x13),
2024 	ACE_TYPE_ENTRY(0x14),
2025 	ACE_TYPE_ENTRY(0x15),
2026 	ACE_TYPE_ENTRY(0x16),
2027 	ACE_TYPE_ENTRY(0x17),
2028 	ACE_TYPE_ENTRY(0x18),
2029 	ACE_TYPE_ENTRY(0x19),
2030 	ACE_TYPE_ENTRY(0x1A),
2031 	ACE_TYPE_ENTRY(0x1B),
2032 	ACE_TYPE_ENTRY(0x1C),
2033 	ACE_TYPE_ENTRY(0x1D),
2034 	ACE_TYPE_ENTRY(0x1E),
2035 	ACE_TYPE_ENTRY(0x1F)
2036 };
2037 
2038 static const mdb_bitmask_t ace_flag_bits[] = {
2039 	{ "OBJECT_INHERIT_ACE", OBJECT_INHERIT_ACE, OBJECT_INHERIT_ACE },
2040 	{ "CONTAINER_INHERIT_ACE", CONTAINER_INHERIT_ACE,
2041 	    CONTAINER_INHERIT_ACE },
2042 	{ "NO_PROPOGATE_INHERIT_ACE", NO_PROPOGATE_INHERIT_ACE,
2043 	    NO_PROPOGATE_INHERIT_ACE },
2044 	{ "INHERIT_ONLY_ACE", INHERIT_ONLY_ACE, INHERIT_ONLY_ACE },
2045 	{ "INHERITED_ACE", INHERITED_ACE, INHERITED_ACE },
2046 	{ "SUCCESSFUL_ACCESS_ACE_FLAG", SUCCESSFUL_ACCESS_ACE_FLAG,
2047 	    SUCCESSFUL_ACCESS_ACE_FLAG },
2048 	{ "FAILED_ACCESS_ACE_FLAG", FAILED_ACCESS_ACE_FLAG,
2049 	    FAILED_ACCESS_ACE_FLAG },
2050 	{ NULL, 0, 0 }
2051 };
2052 
2053 /*
2054  * ::smbace
2055  */
2056 static int
2057 smb_ace(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2058 {
2059 	smb_ace_t	ace;
2060 	int		verbose = FALSE;
2061 	const char	*ptr;
2062 	int		rc;
2063 
2064 	if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &verbose,
2065 	    NULL) != argc)
2066 		return (DCMD_USAGE);
2067 
2068 	/*
2069 	 * An smb_ace address is required.
2070 	 */
2071 	if (!(flags & DCMD_ADDRSPEC))
2072 		return (DCMD_USAGE);
2073 
2074 	if (mdb_vread(&ace, sizeof (ace), addr) != sizeof (ace)) {
2075 		mdb_warn("failed to read struct smb_ace at %p", addr);
2076 		return (DCMD_ERR);
2077 	}
2078 
2079 	if (verbose) {
2080 		if (ace.se_hdr.se_type < ACE_TYPE_TABLEN)
2081 			ptr = ace_types[ace.se_hdr.se_type].ace_type_sting;
2082 		else
2083 			ptr = "Unknown";
2084 
2085 		mdb_printf("ACE Type: 0x%02x (%s)\n", ace.se_hdr.se_type, ptr);
2086 		mdb_printf("ACE Flags: %b\n", (int)ace.se_hdr.se_flags,
2087 		    ace_flag_bits);
2088 		mdb_printf("ACE Wire Size: 0x%04x\n", ace.se_hdr.se_bsize);
2089 		mdb_printf("ACE Mask: 0x%08x\n", ace.se_mask);
2090 		mdb_printf("ACE SID: ");
2091 	} else {
2092 		if (DCMD_HDRSPEC(flags))
2093 			mdb_printf(
2094 			    "%<b>%<u>%?-s %-4s %-4s %-8s %s%</u>%</b>\n",
2095 			    "ACE", "TYPE", "FLAGS", "MASK", "SID");
2096 		mdb_printf("%?p 0x%02x 0x%02x 0x%08x ", addr,
2097 		    ace.se_hdr.se_type, ace.se_hdr.se_flags, ace.se_mask);
2098 	}
2099 	rc = smb_sid_print((uintptr_t)ace.se_sid);
2100 	mdb_printf("\n");
2101 	return (rc);
2102 }
2103 
2104 static int
2105 smb_ace_walk_init(mdb_walk_state_t *wsp)
2106 {
2107 	if (wsp->walk_addr == 0) {
2108 		mdb_printf("smb_ace walk only supports local walks\n");
2109 		return (WALK_ERR);
2110 	}
2111 
2112 	wsp->walk_addr += offsetof(smb_acl_t, sl_sorted);
2113 
2114 	if (mdb_layered_walk("list", wsp) == -1) {
2115 		mdb_warn("failed to walk list of ACEs");
2116 		return (WALK_ERR);
2117 	}
2118 
2119 	return (WALK_NEXT);
2120 }
2121 
2122 static int
2123 smb_ace_walk_step(mdb_walk_state_t *wsp)
2124 {
2125 	return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
2126 	    wsp->walk_cbdata));
2127 }
2128 
2129 /*
2130  * *****************************************************************************
2131  * ******************************** smb_acl_t **********************************
2132  * *****************************************************************************
2133  */
2134 
2135 /*
2136  * ::smbacl
2137  */
2138 static int
2139 smb_acl(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2140 {
2141 	smb_acl_t	acl;
2142 
2143 	/* An smb_acl address is required. */
2144 	if (!(flags & DCMD_ADDRSPEC))
2145 		return (DCMD_USAGE);
2146 
2147 	if (mdb_vread(&acl, sizeof (acl), addr) != sizeof (acl)) {
2148 		mdb_warn("failed to read struct smb_acl at %p", addr);
2149 		return (DCMD_ERR);
2150 	}
2151 
2152 	mdb_printf("ACL Revision: %d\n", acl.sl_revision);
2153 	mdb_printf("ACL Size on Wire: %d\n", acl.sl_bsize);
2154 	mdb_printf("ACL Number of ACEs: %d\n", acl.sl_acecnt);
2155 
2156 	(void) mdb_inc_indent(SMB_DCMD_INDENT);
2157 	if (mdb_pwalk_dcmd("smbace_walker", "smbace", argc, argv, addr)) {
2158 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
2159 		mdb_warn("failed to walk list of ACEs for ACL %p", addr);
2160 		return (DCMD_ERR);
2161 	}
2162 	(void) mdb_dec_indent(SMB_DCMD_INDENT);
2163 	return (DCMD_OK);
2164 }
2165 
2166 /*
2167  * *****************************************************************************
2168  * ********************************* smb_sd_t **********************************
2169  * *****************************************************************************
2170  */
2171 
2172 /*
2173  * ::smbsd
2174  */
2175 static int
2176 smb_sd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2177 {
2178 	smb_sd_t	sd;
2179 	int		rc;
2180 
2181 	/*
2182 	 * An smb_sid address is required.
2183 	 */
2184 	if (!(flags & DCMD_ADDRSPEC))
2185 		return (DCMD_USAGE);
2186 
2187 	if (mdb_vread(&sd, sizeof (sd), addr) != sizeof (sd)) {
2188 		mdb_warn("failed to read struct smb_sd at %p", addr);
2189 		return (DCMD_ERR);
2190 	}
2191 
2192 	mdb_printf("SD Revision: %d\n", sd.sd_revision);
2193 	mdb_printf("SD Control: %04x\n", sd.sd_control);
2194 	if (sd.sd_control & SE_OWNER_DEFAULTED)
2195 		mdb_printf("\t    SE_OWNER_DEFAULTED\n");
2196 	if (sd.sd_control & SE_GROUP_DEFAULTED)
2197 		mdb_printf("\t    SE_GROUP_DEFAULTED\n");
2198 	if (sd.sd_control & SE_DACL_PRESENT)
2199 		mdb_printf("\t    SE_DACL_PRESENT\n");
2200 	if (sd.sd_control & SE_DACL_DEFAULTED)
2201 		mdb_printf("\t    SE_DACL_DEFAULTED\n");
2202 	if (sd.sd_control & SE_SACL_PRESENT)
2203 		mdb_printf("\t    SE_SACL_PRESENT\n");
2204 	if (sd.sd_control & SE_SACL_DEFAULTED)
2205 		mdb_printf("\t    SE_SACL_DEFAULTED\n");
2206 	if (sd.sd_control & SE_DACL_AUTO_INHERIT_REQ)
2207 		mdb_printf("\t    SE_DACL_AUTO_INHERIT_REQ\n");
2208 	if (sd.sd_control & SE_SACL_AUTO_INHERIT_REQ)
2209 		mdb_printf("\t    SE_SACL_AUTO_INHERIT_REQ\n");
2210 	if (sd.sd_control & SE_DACL_AUTO_INHERITED)
2211 		mdb_printf("\t    SE_DACL_AUTO_INHERITED\n");
2212 	if (sd.sd_control & SE_SACL_AUTO_INHERITED)
2213 		mdb_printf("\t    SE_SACL_AUTO_INHERITED\n");
2214 	if (sd.sd_control & SE_DACL_PROTECTED)
2215 		mdb_printf("\t    SE_DACL_PROTECTED\n");
2216 	if (sd.sd_control & SE_SACL_PROTECTED)
2217 		mdb_printf("\t    SE_SACL_PROTECTED\n");
2218 	if (sd.sd_control & SE_SELF_RELATIVE)
2219 		mdb_printf("\t    SE_SELF_RELATIVE\n");
2220 
2221 	mdb_printf("SID of Owner: ");
2222 	rc = smb_sid_print((uintptr_t)sd.sd_owner);
2223 	if (rc != DCMD_OK)
2224 		return (rc);
2225 	mdb_printf("\nSID of Group: ");
2226 	rc = smb_sid_print((uintptr_t)sd.sd_group);
2227 	if (rc != DCMD_OK)
2228 		return (rc);
2229 	mdb_printf("\n");
2230 
2231 	if (sd.sd_control & SE_SACL_PRESENT && sd.sd_sacl) {
2232 		mdb_printf("%<b>%<u>System ACL%</u>%</b>\n");
2233 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
2234 		rc = mdb_call_dcmd("smbacl", (uintptr_t)sd.sd_sacl, flags,
2235 		    argc, argv);
2236 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
2237 		if (rc != DCMD_OK)
2238 			return (rc);
2239 	}
2240 	if (sd.sd_control & SE_DACL_PRESENT && sd.sd_dacl) {
2241 		mdb_printf("%<b>%<u>Discretionary ACL%</u>%</b>\n");
2242 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
2243 		rc = mdb_call_dcmd("smbacl", (uintptr_t)sd.sd_dacl, flags,
2244 		    argc, argv);
2245 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
2246 		if (rc != DCMD_OK)
2247 			return (rc);
2248 	}
2249 
2250 	return (DCMD_OK);
2251 }
2252 
2253 /*
2254  * *****************************************************************************
2255  * ********************************* smb_sid_t *********************************
2256  * *****************************************************************************
2257  */
2258 
2259 /*
2260  * ::smbsid
2261  */
2262 /*ARGSUSED*/
2263 static int
2264 smb_sid(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2265 {
2266 	/*
2267 	 * An smb_sid address is required.
2268 	 */
2269 	if (!(flags & DCMD_ADDRSPEC))
2270 		return (DCMD_USAGE);
2271 
2272 	return (smb_sid_print(addr));
2273 }
2274 
2275 /*
2276  * smb_sid_print
2277  */
2278 static int
2279 smb_sid_print(uintptr_t addr)
2280 {
2281 	smb_sid_t	sid;
2282 	smb_sid_t	*psid;
2283 	size_t		sid_size;
2284 	int		i;
2285 	uint64_t	authority;
2286 
2287 	sid_size = offsetof(smb_sid_t, sid_subauth);
2288 
2289 	if (mdb_vread(&sid, sid_size, addr) != sid_size) {
2290 		mdb_warn("failed to read struct smb_sid at %p", addr);
2291 		return (DCMD_ERR);
2292 	}
2293 
2294 	sid_size += sid.sid_subauthcnt * sizeof (sid.sid_subauth[0]);
2295 
2296 	psid = mdb_zalloc(sid_size, UM_SLEEP | UM_GC);
2297 	if (mdb_vread(psid, sid_size, addr) != sid_size) {
2298 		mdb_warn("failed to read struct smb_sid at %p", addr);
2299 		return (DCMD_ERR);
2300 	}
2301 
2302 	mdb_printf("S-%d", psid->sid_revision);
2303 	authority = 0;
2304 	for (i = 0; i < NT_SID_AUTH_MAX; i++) {
2305 		authority += ((uint64_t)psid->sid_authority[i]) <<
2306 		    (8 * (NT_SID_AUTH_MAX - 1) - i);
2307 	}
2308 	mdb_printf("-%ll", authority);
2309 
2310 	for (i = 0; i < psid->sid_subauthcnt; i++)
2311 		mdb_printf("-%d", psid->sid_subauth[i]);
2312 
2313 	return (DCMD_OK);
2314 }
2315 
2316 /*
2317  * *****************************************************************************
2318  * ********************************* smb_fssd_t ********************************
2319  * *****************************************************************************
2320  */
2321 
2322 /*
2323  * ::smbfssd
2324  */
2325 static int
2326 smb_fssd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2327 {
2328 	smb_fssd_t	fssd;
2329 	int		rc;
2330 
2331 	/*
2332 	 * An smb_fssd address is required.
2333 	 */
2334 	if (!(flags & DCMD_ADDRSPEC))
2335 		return (DCMD_USAGE);
2336 
2337 	if (mdb_vread(&fssd, sizeof (fssd), addr) != sizeof (fssd)) {
2338 		mdb_warn("failed to read struct smb_fssd at %p", addr);
2339 		return (DCMD_ERR);
2340 	}
2341 
2342 	mdb_printf("FSSD secinfo: 0x%x\n", fssd.sd_secinfo);
2343 	if (fssd.sd_secinfo & SMB_OWNER_SECINFO)
2344 		mdb_printf("FSSD uid: %d\n", fssd.sd_uid);
2345 	if (fssd.sd_secinfo & SMB_GROUP_SECINFO)
2346 		mdb_printf("FSSD gid: %d\n", fssd.sd_gid);
2347 	if (fssd.sd_secinfo & SMB_SACL_SECINFO && fssd.sd_zsacl) {
2348 		mdb_printf("%<b>%<u>System ACL%</u>%</b>\n");
2349 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
2350 		rc = mdb_call_dcmd("smbacl", (uintptr_t)fssd.sd_zsacl, flags,
2351 		    argc, argv);
2352 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
2353 		if (rc != DCMD_OK)
2354 			return (rc);
2355 	}
2356 	if (fssd.sd_secinfo & SMB_DACL_SECINFO && fssd.sd_zdacl) {
2357 		mdb_printf("%<b>%<u>Discretionary ACL%</u>%</b>\n");
2358 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
2359 		rc = mdb_call_dcmd("smbacl", (uintptr_t)fssd.sd_zdacl, flags,
2360 		    argc, argv);
2361 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
2362 		if (rc != DCMD_OK)
2363 			return (rc);
2364 	}
2365 
2366 	return (DCMD_OK);
2367 }
2368 
2369 /*
2370  * *****************************************************************************
2371  * **************************** Utility Funcions *******************************
2372  * *****************************************************************************
2373  */
2374 
2375 /*
2376  * smb_dcmd_getopt
2377  *
2378  * This function analyzes the arguments passed in and sets the bit corresponding
2379  * to the options found in the opts variable.
2380  *
2381  * Return Value
2382  *
2383  *	-1	An error occured during the decoding
2384  *	0	The decoding was successful
2385  */
2386 static int
2387 smb_dcmd_getopt(uint_t *opts, int argc, const mdb_arg_t *argv)
2388 {
2389 	*opts = 0;
2390 
2391 	if (mdb_getopts(argc, argv,
2392 	    's', MDB_OPT_SETBITS, SMB_OPT_SERVER, opts,
2393 	    'e', MDB_OPT_SETBITS, SMB_OPT_SESSION, opts,
2394 	    'r', MDB_OPT_SETBITS, SMB_OPT_REQUEST, opts,
2395 	    'u', MDB_OPT_SETBITS, SMB_OPT_USER, opts,
2396 	    't', MDB_OPT_SETBITS, SMB_OPT_TREE, opts,
2397 	    'f', MDB_OPT_SETBITS, SMB_OPT_OFILE, opts,
2398 	    'd', MDB_OPT_SETBITS, SMB_OPT_ODIR, opts,
2399 	    'w', MDB_OPT_SETBITS, SMB_OPT_WALK, opts,
2400 	    'v', MDB_OPT_SETBITS, SMB_OPT_VERBOSE, opts,
2401 	    NULL) != argc)
2402 		return (-1);
2403 
2404 	return (0);
2405 }
2406 
2407 /*
2408  * smb_dcmd_setopt
2409  *
2410  * This function set the arguments corresponding to the bits set in opts.
2411  *
2412  * Return Value
2413  *
2414  *	Number of arguments set.
2415  */
2416 static int
2417 smb_dcmd_setopt(uint_t opts, int max_argc, mdb_arg_t *argv)
2418 {
2419 	int	i;
2420 	int	argc = 0;
2421 
2422 	for (i = 0; i < SMB_MDB_MAX_OPTS; i++) {
2423 		if ((opts & smb_opts[i].o_value) && (argc < max_argc)) {
2424 			argv->a_type = MDB_TYPE_STRING;
2425 			argv->a_un.a_str = smb_opts[i].o_name;
2426 			argc++;
2427 			argv++;
2428 		}
2429 	}
2430 	return (argc);
2431 }
2432 
2433 /*
2434  * smb_obj_expand
2435  */
2436 static int
2437 smb_obj_expand(uintptr_t addr, uint_t opts, const smb_exp_t *x, ulong_t indent)
2438 {
2439 	int		rc = 0;
2440 	int		argc;
2441 	mdb_arg_t	argv[SMB_MDB_MAX_OPTS];
2442 
2443 	argc = smb_dcmd_setopt(opts | SMB_OPT_WALK, SMB_MDB_MAX_OPTS, argv);
2444 
2445 	(void) mdb_inc_indent(indent);
2446 	while (x->ex_dcmd) {
2447 		if (x->ex_mask & opts) {
2448 			rc = mdb_pwalk_dcmd("list", x->ex_dcmd, argc, argv,
2449 			    addr + x->ex_offset);
2450 
2451 			if (rc) {
2452 				mdb_warn("failed to walk the list of %s in %p",
2453 				    x->ex_name, addr + x->ex_offset);
2454 				break;
2455 			}
2456 		}
2457 		x++;
2458 	}
2459 	(void) mdb_dec_indent(indent);
2460 	return (rc);
2461 }
2462 
2463 /*
2464  * smb_obj_list
2465  *
2466  * Function called by the DCMDs when no address is provided. It expands the
2467  * tree under the object type associated with the calling DCMD (based on the
2468  * flags passed in).
2469  *
2470  * Return Value
2471  *
2472  *	DCMD_OK
2473  *	DCMD_ERR
2474  */
2475 static int
2476 smb_obj_list(const char *name, uint_t opts, uint_t flags)
2477 {
2478 	int		argc;
2479 	mdb_arg_t	argv[SMB_MDB_MAX_OPTS];
2480 
2481 	argc = smb_dcmd_setopt(opts, SMB_MDB_MAX_OPTS, argv);
2482 
2483 	if (mdb_call_dcmd("smblist", 0, flags, argc, argv)) {
2484 		mdb_warn("failed to list %s", name);
2485 		return (DCMD_ERR);
2486 	}
2487 	return (DCMD_OK);
2488 }
2489 
2490 static int
2491 smb_worker_findstack(uintptr_t addr)
2492 {
2493 	kthread_t	t;
2494 	taskq_t		tq;
2495 	char		cmd[80];
2496 	mdb_arg_t	cmdarg;
2497 
2498 	if (mdb_vread(&t, sizeof (kthread_t), addr) == -1) {
2499 		mdb_warn("failed to read kthread_t at %p", addr);
2500 		return (DCMD_ERR);
2501 	}
2502 
2503 	if (mdb_vread(&tq, sizeof (taskq_t), (uintptr_t)t.t_taskq) == -1)
2504 		tq.tq_name[0] = '\0';
2505 
2506 	mdb_inc_indent(2);
2507 
2508 	mdb_printf("PC: %a", t.t_pc);
2509 	if (t.t_tid == 0) {
2510 		if (tq.tq_name[0] != '\0')
2511 			mdb_printf("    TASKQ: %s\n", tq.tq_name);
2512 		else
2513 			mdb_printf("    THREAD: %a()\n", t.t_startpc);
2514 	}
2515 
2516 	mdb_snprintf(cmd, sizeof (cmd), "<.$c%d", 16);
2517 	cmdarg.a_type = MDB_TYPE_STRING;
2518 	cmdarg.a_un.a_str = cmd;
2519 	(void) mdb_call_dcmd("findstack", addr, DCMD_ADDRSPEC, 1, &cmdarg);
2520 	mdb_dec_indent(2);
2521 	mdb_printf("\n");
2522 	return (DCMD_OK);
2523 }
2524