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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * fs/cifs_debug.c | |
3 | * | |
b8643e1b | 4 | * Copyright (C) International Business Machines Corp., 2000,2005 |
1da177e4 LT |
5 | * |
6 | * Modified by Steve French (sfrench@us.ibm.com) | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
221601c3 | 10 | * the Free Software Foundation; either version 2 of the License, or |
1da177e4 | 11 | * (at your option) any later version. |
221601c3 | 12 | * |
1da177e4 LT |
13 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
16 | * the GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
221601c3 | 19 | * along with this program; if not, write to the Free Software |
1da177e4 LT |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
21 | */ | |
22 | #include <linux/fs.h> | |
23 | #include <linux/string.h> | |
24 | #include <linux/ctype.h> | |
25 | #include <linux/module.h> | |
26 | #include <linux/proc_fs.h> | |
27 | #include <asm/uaccess.h> | |
28 | #include "cifspdu.h" | |
29 | #include "cifsglob.h" | |
30 | #include "cifsproto.h" | |
31 | #include "cifs_debug.h" | |
6c91d362 | 32 | #include "cifsfs.h" |
1da177e4 LT |
33 | |
34 | void | |
35 | cifs_dump_mem(char *label, void *data, int length) | |
36 | { | |
37 | int i, j; | |
38 | int *intptr = data; | |
39 | char *charptr = data; | |
40 | char buf[10], line[80]; | |
41 | ||
221601c3 | 42 | printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n", |
1da177e4 LT |
43 | label, length, data); |
44 | for (i = 0; i < length; i += 16) { | |
45 | line[0] = 0; | |
46 | for (j = 0; (j < 4) && (i + j * 4 < length); j++) { | |
47 | sprintf(buf, " %08x", intptr[i / 4 + j]); | |
48 | strcat(line, buf); | |
49 | } | |
50 | buf[0] = ' '; | |
51 | buf[2] = 0; | |
52 | for (j = 0; (j < 16) && (i + j < length); j++) { | |
53 | buf[1] = isprint(charptr[i + j]) ? charptr[i + j] : '.'; | |
54 | strcat(line, buf); | |
55 | } | |
56 | printk(KERN_DEBUG "%s\n", line); | |
57 | } | |
58 | } | |
59 | ||
3979877e | 60 | #ifdef CONFIG_CIFS_DEBUG2 |
ffdd6e4d | 61 | void cifs_dump_detail(struct smb_hdr *smb) |
3979877e | 62 | { |
221601c3 | 63 | cERROR(1, ("Cmd: %d Err: 0x%x Flags: 0x%x Flgs2: 0x%x Mid: %d Pid: %d", |
3979877e SF |
64 | smb->Command, smb->Status.CifsError, |
65 | smb->Flags, smb->Flags2, smb->Mid, smb->Pid)); | |
221601c3 | 66 | cERROR(1, ("smb buf %p len %d", smb, smbCalcSize_LE(smb))); |
3979877e SF |
67 | } |
68 | ||
69 | ||
ffdd6e4d | 70 | void cifs_dump_mids(struct TCP_Server_Info *server) |
3979877e SF |
71 | { |
72 | struct list_head *tmp; | |
ffdd6e4d | 73 | struct mid_q_entry *mid_entry; |
3979877e | 74 | |
221601c3 | 75 | if (server == NULL) |
3979877e SF |
76 | return; |
77 | ||
221601c3 | 78 | cERROR(1, ("Dump pending requests:")); |
3979877e SF |
79 | spin_lock(&GlobalMid_Lock); |
80 | list_for_each(tmp, &server->pending_mid_q) { | |
81 | mid_entry = list_entry(tmp, struct mid_q_entry, qhead); | |
221601c3 SF |
82 | if (mid_entry) { |
83 | cERROR(1, ("State: %d Cmd: %d Pid: %d Tsk: %p Mid %d", | |
3979877e SF |
84 | mid_entry->midState, |
85 | (int)mid_entry->command, | |
86 | mid_entry->pid, | |
87 | mid_entry->tsk, | |
88 | mid_entry->mid)); | |
89 | #ifdef CONFIG_CIFS_STATS2 | |
221601c3 | 90 | cERROR(1, ("IsLarge: %d buf: %p time rcv: %ld now: %ld", |
3979877e SF |
91 | mid_entry->largeBuf, |
92 | mid_entry->resp_buf, | |
93 | mid_entry->when_received, | |
94 | jiffies)); | |
95 | #endif /* STATS2 */ | |
221601c3 | 96 | cERROR(1, ("IsMult: %d IsEnd: %d", mid_entry->multiRsp, |
3979877e | 97 | mid_entry->multiEnd)); |
221601c3 | 98 | if (mid_entry->resp_buf) { |
3979877e SF |
99 | cifs_dump_detail(mid_entry->resp_buf); |
100 | cifs_dump_mem("existing buf: ", | |
ad7a2926 | 101 | mid_entry->resp_buf, 62); |
3979877e | 102 | } |
3979877e SF |
103 | } |
104 | } | |
105 | spin_unlock(&GlobalMid_Lock); | |
106 | } | |
107 | #endif /* CONFIG_CIFS_DEBUG2 */ | |
108 | ||
1da177e4 LT |
109 | #ifdef CONFIG_PROC_FS |
110 | static int | |
111 | cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset, | |
112 | int count, int *eof, void *data) | |
113 | { | |
114 | struct list_head *tmp; | |
115 | struct list_head *tmp1; | |
ffdd6e4d | 116 | struct mid_q_entry *mid_entry; |
1da177e4 LT |
117 | struct cifsSesInfo *ses; |
118 | struct cifsTconInfo *tcon; | |
119 | int i; | |
120 | int length = 0; | |
ffdd6e4d | 121 | char *original_buf = buf; |
1da177e4 LT |
122 | |
123 | *beginBuffer = buf + offset; | |
124 | ||
1da177e4 LT |
125 | length = |
126 | sprintf(buf, | |
127 | "Display Internal CIFS Data Structures for Debugging\n" | |
128 | "---------------------------------------------------\n"); | |
129 | buf += length; | |
221601c3 | 130 | length = sprintf(buf, "CIFS Version %s\n", CIFS_VERSION); |
6c91d362 | 131 | buf += length; |
221601c3 SF |
132 | length = sprintf(buf, |
133 | "Active VFS Requests: %d\n", GlobalTotalActiveXid); | |
131afd0b | 134 | buf += length; |
6c91d362 | 135 | length = sprintf(buf, "Servers:"); |
1da177e4 LT |
136 | buf += length; |
137 | ||
138 | i = 0; | |
139 | read_lock(&GlobalSMBSeslock); | |
140 | list_for_each(tmp, &GlobalSMBSessionList) { | |
141 | i++; | |
142 | ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList); | |
221601c3 | 143 | if ((ses->serverDomain == NULL) || (ses->serverOS == NULL) || |
433dc24f | 144 | (ses->serverNOS == NULL)) { |
bd2abf17 SF |
145 | buf += sprintf(buf, "\nentry for %s not fully " |
146 | "displayed\n\t", ses->serverName); | |
433dc24f SF |
147 | } else { |
148 | length = | |
149 | sprintf(buf, | |
221601c3 SF |
150 | "\n%d) Name: %s Domain: %s Mounts: %d OS:" |
151 | " %s \n\tNOS: %s\tCapability: 0x%x\n\tSMB" | |
152 | " session status: %d\t", | |
b8643e1b SF |
153 | i, ses->serverName, ses->serverDomain, |
154 | atomic_read(&ses->inUse), | |
155 | ses->serverOS, ses->serverNOS, | |
221601c3 | 156 | ses->capabilities, ses->status); |
433dc24f SF |
157 | buf += length; |
158 | } | |
221601c3 SF |
159 | if (ses->server) { |
160 | buf += sprintf(buf, "TCP status: %d\n\tLocal Users To " | |
161 | "Server: %d SecMode: 0x%x Req On Wire: %d", | |
1da177e4 LT |
162 | ses->server->tcpStatus, |
163 | atomic_read(&ses->server->socketUseCount), | |
164 | ses->server->secMode, | |
165 | atomic_read(&ses->server->inFlight)); | |
131afd0b SF |
166 | |
167 | #ifdef CONFIG_CIFS_STATS2 | |
68058e75 | 168 | buf += sprintf(buf, " In Send: %d In MaxReq Wait: %d", |
221601c3 | 169 | atomic_read(&ses->server->inSend), |
131afd0b SF |
170 | atomic_read(&ses->server->num_waiters)); |
171 | #endif | |
172 | ||
6c91d362 | 173 | length = sprintf(buf, "\nMIDs:\n"); |
1da177e4 LT |
174 | buf += length; |
175 | ||
176 | spin_lock(&GlobalMid_Lock); | |
177 | list_for_each(tmp1, &ses->server->pending_mid_q) { | |
178 | mid_entry = list_entry(tmp1, struct | |
179 | mid_q_entry, | |
180 | qhead); | |
221601c3 SF |
181 | if (mid_entry) { |
182 | length = sprintf(buf, | |
183 | "State: %d com: %d pid:" | |
184 | " %d tsk: %p mid %d\n", | |
185 | mid_entry->midState, | |
186 | (int)mid_entry->command, | |
187 | mid_entry->pid, | |
188 | mid_entry->tsk, | |
189 | mid_entry->mid); | |
1da177e4 LT |
190 | buf += length; |
191 | } | |
192 | } | |
221601c3 | 193 | spin_unlock(&GlobalMid_Lock); |
1da177e4 LT |
194 | } |
195 | ||
196 | } | |
197 | read_unlock(&GlobalSMBSeslock); | |
198 | sprintf(buf, "\n"); | |
199 | buf++; | |
200 | ||
6c91d362 | 201 | length = sprintf(buf, "Shares:"); |
1da177e4 LT |
202 | buf += length; |
203 | ||
204 | i = 0; | |
205 | read_lock(&GlobalSMBSeslock); | |
206 | list_for_each(tmp, &GlobalTreeConnectionList) { | |
207 | __u32 dev_type; | |
208 | i++; | |
209 | tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList); | |
210 | dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType); | |
88f370a6 SF |
211 | length = sprintf(buf, "\n%d) %s Uses: %d ", i, |
212 | tcon->treeName, atomic_read(&tcon->useCount)); | |
213 | buf += length; | |
214 | if (tcon->nativeFileSystem) { | |
a23d3069 SF |
215 | length = sprintf(buf, "Type: %s ", |
216 | tcon->nativeFileSystem); | |
88f370a6 SF |
217 | buf += length; |
218 | } | |
219 | length = sprintf(buf, "DevInfo: 0x%x Attributes: 0x%x" | |
220 | "\nPathComponentMax: %d Status: %d", | |
1da177e4 LT |
221 | le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics), |
222 | le32_to_cpu(tcon->fsAttrInfo.Attributes), | |
223 | le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength), | |
224 | tcon->tidStatus); | |
221601c3 | 225 | buf += length; |
1da177e4 LT |
226 | if (dev_type == FILE_DEVICE_DISK) |
227 | length = sprintf(buf, " type: DISK "); | |
228 | else if (dev_type == FILE_DEVICE_CD_ROM) | |
229 | length = sprintf(buf, " type: CDROM "); | |
230 | else | |
231 | length = | |
232 | sprintf(buf, " type: %d ", dev_type); | |
233 | buf += length; | |
221601c3 | 234 | if (tcon->tidStatus == CifsNeedReconnect) { |
1da177e4 LT |
235 | buf += sprintf(buf, "\tDISCONNECTED "); |
236 | length += 14; | |
237 | } | |
238 | } | |
239 | read_unlock(&GlobalSMBSeslock); | |
240 | ||
241 | length = sprintf(buf, "\n"); | |
242 | buf += length; | |
243 | ||
244 | /* BB add code to dump additional info such as TCP session info now */ | |
245 | /* Now calculate total size of returned data */ | |
246 | length = buf - original_buf; | |
247 | ||
221601c3 | 248 | if (offset + count >= length) |
1da177e4 | 249 | *eof = 1; |
221601c3 | 250 | if (length < offset) { |
1da177e4 LT |
251 | *eof = 1; |
252 | return 0; | |
253 | } else { | |
254 | length = length - offset; | |
255 | } | |
256 | if (length > count) | |
257 | length = count; | |
258 | ||
259 | return length; | |
260 | } | |
261 | ||
262 | #ifdef CONFIG_CIFS_STATS | |
1047abc1 SF |
263 | |
264 | static int | |
265 | cifs_stats_write(struct file *file, const char __user *buffer, | |
221601c3 | 266 | unsigned long count, void *data) |
1047abc1 | 267 | { |
221601c3 SF |
268 | char c; |
269 | int rc; | |
1047abc1 SF |
270 | struct list_head *tmp; |
271 | struct cifsTconInfo *tcon; | |
272 | ||
221601c3 SF |
273 | rc = get_user(c, buffer); |
274 | if (rc) | |
275 | return rc; | |
1047abc1 | 276 | |
221601c3 | 277 | if (c == '1' || c == 'y' || c == 'Y' || c == '0') { |
1047abc1 | 278 | read_lock(&GlobalSMBSeslock); |
4498eed5 SF |
279 | #ifdef CONFIG_CIFS_STATS2 |
280 | atomic_set(&totBufAllocCount, 0); | |
281 | atomic_set(&totSmBufAllocCount, 0); | |
282 | #endif /* CONFIG_CIFS_STATS2 */ | |
1047abc1 SF |
283 | list_for_each(tmp, &GlobalTreeConnectionList) { |
284 | tcon = list_entry(tmp, struct cifsTconInfo, | |
285 | cifsConnectionList); | |
286 | atomic_set(&tcon->num_smbs_sent, 0); | |
287 | atomic_set(&tcon->num_writes, 0); | |
288 | atomic_set(&tcon->num_reads, 0); | |
289 | atomic_set(&tcon->num_oplock_brks, 0); | |
290 | atomic_set(&tcon->num_opens, 0); | |
291 | atomic_set(&tcon->num_closes, 0); | |
292 | atomic_set(&tcon->num_deletes, 0); | |
293 | atomic_set(&tcon->num_mkdirs, 0); | |
294 | atomic_set(&tcon->num_rmdirs, 0); | |
295 | atomic_set(&tcon->num_renames, 0); | |
296 | atomic_set(&tcon->num_t2renames, 0); | |
297 | atomic_set(&tcon->num_ffirst, 0); | |
298 | atomic_set(&tcon->num_fnext, 0); | |
299 | atomic_set(&tcon->num_fclose, 0); | |
300 | atomic_set(&tcon->num_hardlinks, 0); | |
301 | atomic_set(&tcon->num_symlinks, 0); | |
302 | atomic_set(&tcon->num_locks, 0); | |
303 | } | |
304 | read_unlock(&GlobalSMBSeslock); | |
305 | } | |
306 | ||
221601c3 | 307 | return count; |
1047abc1 SF |
308 | } |
309 | ||
1da177e4 LT |
310 | static int |
311 | cifs_stats_read(char *buf, char **beginBuffer, off_t offset, | |
312 | int count, int *eof, void *data) | |
313 | { | |
221601c3 | 314 | int item_length, i, length; |
1da177e4 LT |
315 | struct list_head *tmp; |
316 | struct cifsTconInfo *tcon; | |
317 | ||
318 | *beginBuffer = buf + offset; | |
319 | ||
320 | length = sprintf(buf, | |
321 | "Resources in use\nCIFS Session: %d\n", | |
322 | sesInfoAllocCount.counter); | |
323 | buf += length; | |
221601c3 SF |
324 | item_length = |
325 | sprintf(buf, "Share (unique mount targets): %d\n", | |
1da177e4 LT |
326 | tconInfoAllocCount.counter); |
327 | length += item_length; | |
221601c3 SF |
328 | buf += item_length; |
329 | item_length = | |
330 | sprintf(buf, "SMB Request/Response Buffer: %d Pool size: %d\n", | |
b8643e1b SF |
331 | bufAllocCount.counter, |
332 | cifs_min_rcv + tcpSesAllocCount.counter); | |
1da177e4 LT |
333 | length += item_length; |
334 | buf += item_length; | |
221601c3 SF |
335 | item_length = |
336 | sprintf(buf, "SMB Small Req/Resp Buffer: %d Pool size: %d\n", | |
337 | smBufAllocCount.counter, cifs_min_small); | |
1da177e4 LT |
338 | length += item_length; |
339 | buf += item_length; | |
07475ffb | 340 | #ifdef CONFIG_CIFS_STATS2 |
221601c3 | 341 | item_length = sprintf(buf, "Total Large %d Small %d Allocations\n", |
07475ffb | 342 | atomic_read(&totBufAllocCount), |
221601c3 | 343 | atomic_read(&totSmBufAllocCount)); |
07475ffb SF |
344 | length += item_length; |
345 | buf += item_length; | |
346 | #endif /* CONFIG_CIFS_STATS2 */ | |
347 | ||
221601c3 SF |
348 | item_length = |
349 | sprintf(buf, "Operations (MIDs): %d\n", | |
1da177e4 LT |
350 | midCount.counter); |
351 | length += item_length; | |
352 | buf += item_length; | |
353 | item_length = sprintf(buf, | |
354 | "\n%d session %d share reconnects\n", | |
221601c3 | 355 | tcpSesReconnectCount.counter, tconInfoReconnectCount.counter); |
1da177e4 LT |
356 | length += item_length; |
357 | buf += item_length; | |
358 | ||
359 | item_length = sprintf(buf, | |
360 | "Total vfs operations: %d maximum at one time: %d\n", | |
221601c3 | 361 | GlobalCurrentXid, GlobalMaxActiveXid); |
1da177e4 LT |
362 | length += item_length; |
363 | buf += item_length; | |
364 | ||
365 | i = 0; | |
366 | read_lock(&GlobalSMBSeslock); | |
367 | list_for_each(tmp, &GlobalTreeConnectionList) { | |
368 | i++; | |
369 | tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList); | |
221601c3 | 370 | item_length = sprintf(buf, "\n%d) %s", i, tcon->treeName); |
1da177e4 LT |
371 | buf += item_length; |
372 | length += item_length; | |
221601c3 | 373 | if (tcon->tidStatus == CifsNeedReconnect) { |
1da177e4 LT |
374 | buf += sprintf(buf, "\tDISCONNECTED "); |
375 | length += 14; | |
376 | } | |
a5a2b489 | 377 | item_length = sprintf(buf, "\nSMBs: %d Oplock Breaks: %d", |
1da177e4 LT |
378 | atomic_read(&tcon->num_smbs_sent), |
379 | atomic_read(&tcon->num_oplock_brks)); | |
380 | buf += item_length; | |
381 | length += item_length; | |
0ae0efad | 382 | item_length = sprintf(buf, "\nReads: %d Bytes: %lld", |
1da177e4 LT |
383 | atomic_read(&tcon->num_reads), |
384 | (long long)(tcon->bytes_read)); | |
385 | buf += item_length; | |
386 | length += item_length; | |
a5a2b489 | 387 | item_length = sprintf(buf, "\nWrites: %d Bytes: %lld", |
1da177e4 LT |
388 | atomic_read(&tcon->num_writes), |
389 | (long long)(tcon->bytes_written)); | |
221601c3 SF |
390 | buf += item_length; |
391 | length += item_length; | |
392 | item_length = sprintf(buf, | |
a5a2b489 | 393 | "\nLocks: %d HardLinks: %d Symlinks: %d", |
221601c3 | 394 | atomic_read(&tcon->num_locks), |
a5a2b489 SF |
395 | atomic_read(&tcon->num_hardlinks), |
396 | atomic_read(&tcon->num_symlinks)); | |
221601c3 SF |
397 | buf += item_length; |
398 | length += item_length; | |
a5a2b489 SF |
399 | |
400 | item_length = sprintf(buf, "\nOpens: %d Closes: %d Deletes: %d", | |
401 | atomic_read(&tcon->num_opens), | |
402 | atomic_read(&tcon->num_closes), | |
403 | atomic_read(&tcon->num_deletes)); | |
1da177e4 LT |
404 | buf += item_length; |
405 | length += item_length; | |
a5a2b489 | 406 | item_length = sprintf(buf, "\nMkdirs: %d Rmdirs: %d", |
1da177e4 LT |
407 | atomic_read(&tcon->num_mkdirs), |
408 | atomic_read(&tcon->num_rmdirs)); | |
409 | buf += item_length; | |
410 | length += item_length; | |
a5a2b489 | 411 | item_length = sprintf(buf, "\nRenames: %d T2 Renames %d", |
1da177e4 LT |
412 | atomic_read(&tcon->num_renames), |
413 | atomic_read(&tcon->num_t2renames)); | |
414 | buf += item_length; | |
415 | length += item_length; | |
a5a2b489 | 416 | item_length = sprintf(buf, "\nFindFirst: %d FNext %d FClose %d", |
0c0ff093 SF |
417 | atomic_read(&tcon->num_ffirst), |
418 | atomic_read(&tcon->num_fnext), | |
419 | atomic_read(&tcon->num_fclose)); | |
420 | buf += item_length; | |
421 | length += item_length; | |
1da177e4 LT |
422 | } |
423 | read_unlock(&GlobalSMBSeslock); | |
424 | ||
221601c3 | 425 | buf += sprintf(buf, "\n"); |
1da177e4 LT |
426 | length++; |
427 | ||
221601c3 | 428 | if (offset + count >= length) |
1da177e4 | 429 | *eof = 1; |
221601c3 | 430 | if (length < offset) { |
1da177e4 LT |
431 | *eof = 1; |
432 | return 0; | |
433 | } else { | |
434 | length = length - offset; | |
435 | } | |
436 | if (length > count) | |
437 | length = count; | |
221601c3 | 438 | |
1da177e4 LT |
439 | return length; |
440 | } | |
90c81e0b | 441 | #endif /* STATS */ |
1da177e4 LT |
442 | |
443 | static struct proc_dir_entry *proc_fs_cifs; | |
444 | read_proc_t cifs_txanchor_read; | |
445 | static read_proc_t cifsFYI_read; | |
446 | static write_proc_t cifsFYI_write; | |
447 | static read_proc_t oplockEnabled_read; | |
448 | static write_proc_t oplockEnabled_write; | |
449 | static read_proc_t lookupFlag_read; | |
450 | static write_proc_t lookupFlag_write; | |
451 | static read_proc_t traceSMB_read; | |
452 | static write_proc_t traceSMB_write; | |
453 | static read_proc_t multiuser_mount_read; | |
454 | static write_proc_t multiuser_mount_write; | |
bdc4bf6e SF |
455 | static read_proc_t security_flags_read; |
456 | static write_proc_t security_flags_write; | |
3979877e | 457 | /* static read_proc_t ntlmv2_enabled_read; |
1da177e4 LT |
458 | static write_proc_t ntlmv2_enabled_write; |
459 | static read_proc_t packet_signing_enabled_read; | |
3979877e | 460 | static write_proc_t packet_signing_enabled_write;*/ |
ec637e3f SF |
461 | static read_proc_t experimEnabled_read; |
462 | static write_proc_t experimEnabled_write; | |
1da177e4 LT |
463 | static read_proc_t linuxExtensionsEnabled_read; |
464 | static write_proc_t linuxExtensionsEnabled_write; | |
465 | ||
466 | void | |
467 | cifs_proc_init(void) | |
468 | { | |
469 | struct proc_dir_entry *pde; | |
470 | ||
471 | proc_fs_cifs = proc_mkdir("cifs", proc_root_fs); | |
472 | if (proc_fs_cifs == NULL) | |
473 | return; | |
474 | ||
475 | proc_fs_cifs->owner = THIS_MODULE; | |
476 | create_proc_read_entry("DebugData", 0, proc_fs_cifs, | |
477 | cifs_debug_data_read, NULL); | |
478 | ||
479 | #ifdef CONFIG_CIFS_STATS | |
1047abc1 | 480 | pde = create_proc_read_entry("Stats", 0, proc_fs_cifs, |
1da177e4 | 481 | cifs_stats_read, NULL); |
1047abc1 SF |
482 | if (pde) |
483 | pde->write_proc = cifs_stats_write; | |
90c81e0b | 484 | #endif /* STATS */ |
1da177e4 LT |
485 | pde = create_proc_read_entry("cifsFYI", 0, proc_fs_cifs, |
486 | cifsFYI_read, NULL); | |
487 | if (pde) | |
488 | pde->write_proc = cifsFYI_write; | |
489 | ||
490 | pde = | |
491 | create_proc_read_entry("traceSMB", 0, proc_fs_cifs, | |
492 | traceSMB_read, NULL); | |
493 | if (pde) | |
494 | pde->write_proc = traceSMB_write; | |
495 | ||
496 | pde = create_proc_read_entry("OplockEnabled", 0, proc_fs_cifs, | |
497 | oplockEnabled_read, NULL); | |
498 | if (pde) | |
499 | pde->write_proc = oplockEnabled_write; | |
500 | ||
0c0ff093 | 501 | pde = create_proc_read_entry("Experimental", 0, proc_fs_cifs, |
ec637e3f | 502 | experimEnabled_read, NULL); |
1da177e4 | 503 | if (pde) |
ec637e3f | 504 | pde->write_proc = experimEnabled_write; |
1da177e4 LT |
505 | |
506 | pde = create_proc_read_entry("LinuxExtensionsEnabled", 0, proc_fs_cifs, | |
507 | linuxExtensionsEnabled_read, NULL); | |
508 | if (pde) | |
509 | pde->write_proc = linuxExtensionsEnabled_write; | |
510 | ||
511 | pde = | |
512 | create_proc_read_entry("MultiuserMount", 0, proc_fs_cifs, | |
513 | multiuser_mount_read, NULL); | |
514 | if (pde) | |
515 | pde->write_proc = multiuser_mount_write; | |
516 | ||
517 | pde = | |
7c7b25bc | 518 | create_proc_read_entry("SecurityFlags", 0, proc_fs_cifs, |
bdc4bf6e | 519 | security_flags_read, NULL); |
1da177e4 | 520 | if (pde) |
bdc4bf6e | 521 | pde->write_proc = security_flags_write; |
1da177e4 LT |
522 | |
523 | pde = | |
524 | create_proc_read_entry("LookupCacheEnabled", 0, proc_fs_cifs, | |
525 | lookupFlag_read, NULL); | |
526 | if (pde) | |
527 | pde->write_proc = lookupFlag_write; | |
528 | ||
3979877e | 529 | /* pde = |
1da177e4 LT |
530 | create_proc_read_entry("NTLMV2Enabled", 0, proc_fs_cifs, |
531 | ntlmv2_enabled_read, NULL); | |
532 | if (pde) | |
533 | pde->write_proc = ntlmv2_enabled_write; | |
534 | ||
535 | pde = | |
536 | create_proc_read_entry("PacketSigningEnabled", 0, proc_fs_cifs, | |
537 | packet_signing_enabled_read, NULL); | |
538 | if (pde) | |
3979877e | 539 | pde->write_proc = packet_signing_enabled_write;*/ |
1da177e4 LT |
540 | } |
541 | ||
542 | void | |
543 | cifs_proc_clean(void) | |
544 | { | |
545 | if (proc_fs_cifs == NULL) | |
546 | return; | |
547 | ||
548 | remove_proc_entry("DebugData", proc_fs_cifs); | |
549 | remove_proc_entry("cifsFYI", proc_fs_cifs); | |
550 | remove_proc_entry("traceSMB", proc_fs_cifs); | |
551 | #ifdef CONFIG_CIFS_STATS | |
552 | remove_proc_entry("Stats", proc_fs_cifs); | |
553 | #endif | |
554 | remove_proc_entry("MultiuserMount", proc_fs_cifs); | |
555 | remove_proc_entry("OplockEnabled", proc_fs_cifs); | |
3979877e | 556 | /* remove_proc_entry("NTLMV2Enabled",proc_fs_cifs); */ |
221601c3 SF |
557 | remove_proc_entry("SecurityFlags", proc_fs_cifs); |
558 | /* remove_proc_entry("PacketSigningEnabled", proc_fs_cifs); */ | |
559 | remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs); | |
560 | remove_proc_entry("Experimental", proc_fs_cifs); | |
561 | remove_proc_entry("LookupCacheEnabled", proc_fs_cifs); | |
1da177e4 LT |
562 | remove_proc_entry("cifs", proc_root_fs); |
563 | } | |
564 | ||
565 | static int | |
566 | cifsFYI_read(char *page, char **start, off_t off, int count, | |
567 | int *eof, void *data) | |
568 | { | |
569 | int len; | |
570 | ||
571 | len = sprintf(page, "%d\n", cifsFYI); | |
572 | ||
573 | len -= off; | |
574 | *start = page + off; | |
575 | ||
576 | if (len > count) | |
577 | len = count; | |
578 | else | |
579 | *eof = 1; | |
580 | ||
581 | if (len < 0) | |
582 | len = 0; | |
583 | ||
584 | return len; | |
585 | } | |
586 | static int | |
587 | cifsFYI_write(struct file *file, const char __user *buffer, | |
588 | unsigned long count, void *data) | |
589 | { | |
590 | char c; | |
591 | int rc; | |
592 | ||
593 | rc = get_user(c, buffer); | |
594 | if (rc) | |
595 | return rc; | |
596 | if (c == '0' || c == 'n' || c == 'N') | |
597 | cifsFYI = 0; | |
598 | else if (c == '1' || c == 'y' || c == 'Y') | |
599 | cifsFYI = 1; | |
221601c3 | 600 | else if ((c > '1') && (c <= '9')) |
1047abc1 | 601 | cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */ |
1da177e4 LT |
602 | |
603 | return count; | |
604 | } | |
605 | ||
606 | static int | |
607 | oplockEnabled_read(char *page, char **start, off_t off, | |
608 | int count, int *eof, void *data) | |
609 | { | |
610 | int len; | |
611 | ||
612 | len = sprintf(page, "%d\n", oplockEnabled); | |
613 | ||
614 | len -= off; | |
615 | *start = page + off; | |
616 | ||
617 | if (len > count) | |
618 | len = count; | |
619 | else | |
620 | *eof = 1; | |
621 | ||
622 | if (len < 0) | |
623 | len = 0; | |
624 | ||
625 | return len; | |
626 | } | |
627 | static int | |
628 | oplockEnabled_write(struct file *file, const char __user *buffer, | |
629 | unsigned long count, void *data) | |
630 | { | |
631 | char c; | |
632 | int rc; | |
633 | ||
634 | rc = get_user(c, buffer); | |
635 | if (rc) | |
636 | return rc; | |
637 | if (c == '0' || c == 'n' || c == 'N') | |
638 | oplockEnabled = 0; | |
639 | else if (c == '1' || c == 'y' || c == 'Y') | |
640 | oplockEnabled = 1; | |
641 | ||
642 | return count; | |
643 | } | |
644 | ||
645 | static int | |
ec637e3f | 646 | experimEnabled_read(char *page, char **start, off_t off, |
221601c3 | 647 | int count, int *eof, void *data) |
1da177e4 | 648 | { |
221601c3 | 649 | int len; |
1da177e4 | 650 | |
221601c3 | 651 | len = sprintf(page, "%d\n", experimEnabled); |
ec637e3f | 652 | |
221601c3 SF |
653 | len -= off; |
654 | *start = page + off; | |
1da177e4 | 655 | |
221601c3 SF |
656 | if (len > count) |
657 | len = count; | |
658 | else | |
659 | *eof = 1; | |
1da177e4 | 660 | |
221601c3 SF |
661 | if (len < 0) |
662 | len = 0; | |
1da177e4 | 663 | |
221601c3 | 664 | return len; |
1da177e4 LT |
665 | } |
666 | static int | |
ec637e3f | 667 | experimEnabled_write(struct file *file, const char __user *buffer, |
221601c3 | 668 | unsigned long count, void *data) |
1da177e4 | 669 | { |
ec637e3f SF |
670 | char c; |
671 | int rc; | |
1da177e4 | 672 | |
ec637e3f SF |
673 | rc = get_user(c, buffer); |
674 | if (rc) | |
675 | return rc; | |
676 | if (c == '0' || c == 'n' || c == 'N') | |
677 | experimEnabled = 0; | |
678 | else if (c == '1' || c == 'y' || c == 'Y') | |
679 | experimEnabled = 1; | |
680 | else if (c == '2') | |
681 | experimEnabled = 2; | |
1da177e4 | 682 | |
ec637e3f | 683 | return count; |
1da177e4 LT |
684 | } |
685 | ||
686 | static int | |
687 | linuxExtensionsEnabled_read(char *page, char **start, off_t off, | |
221601c3 | 688 | int count, int *eof, void *data) |
1da177e4 | 689 | { |
221601c3 | 690 | int len; |
1da177e4 | 691 | |
221601c3 SF |
692 | len = sprintf(page, "%d\n", linuxExtEnabled); |
693 | len -= off; | |
694 | *start = page + off; | |
1da177e4 | 695 | |
221601c3 SF |
696 | if (len > count) |
697 | len = count; | |
698 | else | |
699 | *eof = 1; | |
1da177e4 | 700 | |
221601c3 SF |
701 | if (len < 0) |
702 | len = 0; | |
1da177e4 | 703 | |
221601c3 | 704 | return len; |
1da177e4 LT |
705 | } |
706 | static int | |
707 | linuxExtensionsEnabled_write(struct file *file, const char __user *buffer, | |
221601c3 | 708 | unsigned long count, void *data) |
1da177e4 | 709 | { |
221601c3 SF |
710 | char c; |
711 | int rc; | |
712 | ||
713 | rc = get_user(c, buffer); | |
714 | if (rc) | |
715 | return rc; | |
716 | if (c == '0' || c == 'n' || c == 'N') | |
717 | linuxExtEnabled = 0; | |
718 | else if (c == '1' || c == 'y' || c == 'Y') | |
719 | linuxExtEnabled = 1; | |
720 | ||
721 | return count; | |
1da177e4 LT |
722 | } |
723 | ||
724 | ||
725 | static int | |
726 | lookupFlag_read(char *page, char **start, off_t off, | |
221601c3 | 727 | int count, int *eof, void *data) |
1da177e4 LT |
728 | { |
729 | int len; | |
730 | ||
731 | len = sprintf(page, "%d\n", lookupCacheEnabled); | |
732 | ||
733 | len -= off; | |
734 | *start = page + off; | |
735 | ||
736 | if (len > count) | |
737 | len = count; | |
738 | else | |
739 | *eof = 1; | |
740 | ||
741 | if (len < 0) | |
742 | len = 0; | |
743 | ||
744 | return len; | |
745 | } | |
746 | static int | |
747 | lookupFlag_write(struct file *file, const char __user *buffer, | |
748 | unsigned long count, void *data) | |
749 | { | |
750 | char c; | |
751 | int rc; | |
752 | ||
753 | rc = get_user(c, buffer); | |
754 | if (rc) | |
755 | return rc; | |
756 | if (c == '0' || c == 'n' || c == 'N') | |
757 | lookupCacheEnabled = 0; | |
758 | else if (c == '1' || c == 'y' || c == 'Y') | |
759 | lookupCacheEnabled = 1; | |
760 | ||
761 | return count; | |
762 | } | |
763 | static int | |
764 | traceSMB_read(char *page, char **start, off_t off, int count, | |
765 | int *eof, void *data) | |
766 | { | |
767 | int len; | |
768 | ||
769 | len = sprintf(page, "%d\n", traceSMB); | |
770 | ||
771 | len -= off; | |
772 | *start = page + off; | |
773 | ||
774 | if (len > count) | |
775 | len = count; | |
776 | else | |
777 | *eof = 1; | |
778 | ||
779 | if (len < 0) | |
780 | len = 0; | |
781 | ||
782 | return len; | |
783 | } | |
784 | static int | |
785 | traceSMB_write(struct file *file, const char __user *buffer, | |
786 | unsigned long count, void *data) | |
787 | { | |
788 | char c; | |
789 | int rc; | |
790 | ||
791 | rc = get_user(c, buffer); | |
792 | if (rc) | |
793 | return rc; | |
794 | if (c == '0' || c == 'n' || c == 'N') | |
795 | traceSMB = 0; | |
796 | else if (c == '1' || c == 'y' || c == 'Y') | |
797 | traceSMB = 1; | |
798 | ||
799 | return count; | |
800 | } | |
801 | ||
802 | static int | |
803 | multiuser_mount_read(char *page, char **start, off_t off, | |
804 | int count, int *eof, void *data) | |
805 | { | |
806 | int len; | |
807 | ||
808 | len = sprintf(page, "%d\n", multiuser_mount); | |
809 | ||
810 | len -= off; | |
811 | *start = page + off; | |
812 | ||
813 | if (len > count) | |
814 | len = count; | |
815 | else | |
816 | *eof = 1; | |
817 | ||
818 | if (len < 0) | |
819 | len = 0; | |
820 | ||
821 | return len; | |
822 | } | |
823 | static int | |
824 | multiuser_mount_write(struct file *file, const char __user *buffer, | |
825 | unsigned long count, void *data) | |
826 | { | |
827 | char c; | |
828 | int rc; | |
829 | ||
830 | rc = get_user(c, buffer); | |
831 | if (rc) | |
832 | return rc; | |
833 | if (c == '0' || c == 'n' || c == 'N') | |
834 | multiuser_mount = 0; | |
835 | else if (c == '1' || c == 'y' || c == 'Y') | |
836 | multiuser_mount = 1; | |
837 | ||
838 | return count; | |
839 | } | |
840 | ||
841 | static int | |
bdc4bf6e | 842 | security_flags_read(char *page, char **start, off_t off, |
1da177e4 LT |
843 | int count, int *eof, void *data) |
844 | { | |
845 | int len; | |
846 | ||
3979877e | 847 | len = sprintf(page, "0x%x\n", extended_security); |
1da177e4 LT |
848 | |
849 | len -= off; | |
850 | *start = page + off; | |
851 | ||
852 | if (len > count) | |
853 | len = count; | |
854 | else | |
855 | *eof = 1; | |
856 | ||
857 | if (len < 0) | |
858 | len = 0; | |
859 | ||
860 | return len; | |
861 | } | |
862 | static int | |
bdc4bf6e | 863 | security_flags_write(struct file *file, const char __user *buffer, |
1da177e4 LT |
864 | unsigned long count, void *data) |
865 | { | |
bdc4bf6e SF |
866 | unsigned int flags; |
867 | char flags_string[12]; | |
1da177e4 | 868 | char c; |
bdc4bf6e | 869 | |
221601c3 | 870 | if ((count < 1) || (count > 11)) |
3979877e | 871 | return -EINVAL; |
1da177e4 | 872 | |
bdc4bf6e | 873 | memset(flags_string, 0, 12); |
3979877e | 874 | |
221601c3 | 875 | if (copy_from_user(flags_string, buffer, count)) |
bdc4bf6e | 876 | return -EFAULT; |
3979877e | 877 | |
221601c3 | 878 | if (count < 3) { |
bdc4bf6e SF |
879 | /* single char or single char followed by null */ |
880 | c = flags_string[0]; | |
a013689d | 881 | if (c == '0' || c == 'n' || c == 'N') { |
bdc4bf6e | 882 | extended_security = CIFSSEC_DEF; /* default */ |
a013689d SF |
883 | return count; |
884 | } else if (c == '1' || c == 'y' || c == 'Y') { | |
bdc4bf6e | 885 | extended_security = CIFSSEC_MAX; |
a013689d SF |
886 | return count; |
887 | } else if (!isdigit(c)) { | |
888 | cERROR(1, ("invalid flag %c", c)); | |
889 | return -EINVAL; | |
890 | } | |
bdc4bf6e SF |
891 | } |
892 | /* else we have a number */ | |
893 | ||
894 | flags = simple_strtoul(flags_string, NULL, 0); | |
895 | ||
221601c3 | 896 | cFYI(1, ("sec flags 0x%x", flags)); |
bdc4bf6e | 897 | |
221601c3 SF |
898 | if (flags <= 0) { |
899 | cERROR(1, ("invalid security flags %s", flags_string)); | |
bdc4bf6e SF |
900 | return -EINVAL; |
901 | } | |
1da177e4 | 902 | |
221601c3 SF |
903 | if (flags & ~CIFSSEC_MASK) { |
904 | cERROR(1, ("attempt to set unsupported security flags 0x%x", | |
bdc4bf6e SF |
905 | flags & ~CIFSSEC_MASK)); |
906 | return -EINVAL; | |
907 | } | |
908 | /* flags look ok - update the global security flags for cifs module */ | |
909 | extended_security = flags; | |
762e5ab7 SF |
910 | if (extended_security & CIFSSEC_MUST_SIGN) { |
911 | /* requiring signing implies signing is allowed */ | |
912 | extended_security |= CIFSSEC_MAY_SIGN; | |
913 | cFYI(1, ("packet signing now required")); | |
914 | } else if ((extended_security & CIFSSEC_MAY_SIGN) == 0) { | |
915 | cFYI(1, ("packet signing disabled")); | |
916 | } | |
917 | /* BB should we turn on MAY flags for other MUST options? */ | |
1da177e4 LT |
918 | return count; |
919 | } | |
90c81e0b | 920 | #else |
e086fcea | 921 | inline void cifs_proc_init(void) |
90c81e0b SF |
922 | { |
923 | } | |
924 | ||
e086fcea | 925 | inline void cifs_proc_clean(void) |
90c81e0b SF |
926 | { |
927 | } | |
928 | #endif /* PROC_FS */ |