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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 | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
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 | |
19 | * along with this program; if not, write to the Free Software | |
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 | ||
42 | printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n\n", | |
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 | ||
60 | #ifdef CONFIG_PROC_FS | |
61 | static int | |
62 | cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset, | |
63 | int count, int *eof, void *data) | |
64 | { | |
65 | struct list_head *tmp; | |
66 | struct list_head *tmp1; | |
67 | struct mid_q_entry * mid_entry; | |
68 | struct cifsSesInfo *ses; | |
69 | struct cifsTconInfo *tcon; | |
70 | int i; | |
71 | int length = 0; | |
72 | char * original_buf = buf; | |
73 | ||
74 | *beginBuffer = buf + offset; | |
75 | ||
76 | ||
77 | length = | |
78 | sprintf(buf, | |
79 | "Display Internal CIFS Data Structures for Debugging\n" | |
80 | "---------------------------------------------------\n"); | |
81 | buf += length; | |
6c91d362 SF |
82 | length = sprintf(buf,"CIFS Version %s\n",CIFS_VERSION); |
83 | buf += length; | |
84 | length = sprintf(buf, "Servers:"); | |
1da177e4 LT |
85 | buf += length; |
86 | ||
87 | i = 0; | |
88 | read_lock(&GlobalSMBSeslock); | |
89 | list_for_each(tmp, &GlobalSMBSessionList) { | |
90 | i++; | |
91 | ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList); | |
433dc24f SF |
92 | if((ses->serverDomain == NULL) || (ses->serverOS == NULL) || |
93 | (ses->serverNOS == NULL)) { | |
94 | buf += sprintf("\nentry for %s not fully displayed\n\t", | |
95 | ses->serverName); | |
96 | ||
97 | } else { | |
98 | length = | |
99 | sprintf(buf, | |
100 | "\n%d) Name: %s Domain: %s Mounts: %d ServerOS: %s \n\tServerNOS: %s\tCapabilities: 0x%x\n\tSMB session status: %d\t", | |
b8643e1b SF |
101 | i, ses->serverName, ses->serverDomain, |
102 | atomic_read(&ses->inUse), | |
103 | ses->serverOS, ses->serverNOS, | |
104 | ses->capabilities,ses->status); | |
433dc24f SF |
105 | buf += length; |
106 | } | |
1da177e4 LT |
107 | if(ses->server) { |
108 | buf += sprintf(buf, "TCP status: %d\n\tLocal Users To Server: %d SecMode: 0x%x Req Active: %d", | |
109 | ses->server->tcpStatus, | |
110 | atomic_read(&ses->server->socketUseCount), | |
111 | ses->server->secMode, | |
112 | atomic_read(&ses->server->inFlight)); | |
113 | ||
6c91d362 | 114 | length = sprintf(buf, "\nMIDs:\n"); |
1da177e4 LT |
115 | buf += length; |
116 | ||
117 | spin_lock(&GlobalMid_Lock); | |
118 | list_for_each(tmp1, &ses->server->pending_mid_q) { | |
119 | mid_entry = list_entry(tmp1, struct | |
120 | mid_q_entry, | |
121 | qhead); | |
122 | if(mid_entry) { | |
848f3fce SF |
123 | length = sprintf(buf,"State: %d com: %d pid: %d tsk: %p mid %d\n", |
124 | mid_entry->midState, | |
125 | (int)mid_entry->command, | |
126 | mid_entry->pid, | |
127 | mid_entry->tsk, | |
128 | mid_entry->mid); | |
1da177e4 LT |
129 | buf += length; |
130 | } | |
131 | } | |
132 | spin_unlock(&GlobalMid_Lock); | |
133 | } | |
134 | ||
135 | } | |
136 | read_unlock(&GlobalSMBSeslock); | |
137 | sprintf(buf, "\n"); | |
138 | buf++; | |
139 | ||
6c91d362 | 140 | length = sprintf(buf, "Shares:"); |
1da177e4 LT |
141 | buf += length; |
142 | ||
143 | i = 0; | |
144 | read_lock(&GlobalSMBSeslock); | |
145 | list_for_each(tmp, &GlobalTreeConnectionList) { | |
146 | __u32 dev_type; | |
147 | i++; | |
148 | tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList); | |
149 | dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType); | |
150 | length = | |
151 | sprintf(buf, | |
152 | "\n%d) %s Uses: %d Type: %s Characteristics: 0x%x Attributes: 0x%x\nPathComponentMax: %d Status: %d", | |
153 | i, tcon->treeName, | |
154 | atomic_read(&tcon->useCount), | |
155 | tcon->nativeFileSystem, | |
156 | le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics), | |
157 | le32_to_cpu(tcon->fsAttrInfo.Attributes), | |
158 | le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength), | |
159 | tcon->tidStatus); | |
160 | buf += length; | |
161 | if (dev_type == FILE_DEVICE_DISK) | |
162 | length = sprintf(buf, " type: DISK "); | |
163 | else if (dev_type == FILE_DEVICE_CD_ROM) | |
164 | length = sprintf(buf, " type: CDROM "); | |
165 | else | |
166 | length = | |
167 | sprintf(buf, " type: %d ", dev_type); | |
168 | buf += length; | |
169 | if(tcon->tidStatus == CifsNeedReconnect) { | |
170 | buf += sprintf(buf, "\tDISCONNECTED "); | |
171 | length += 14; | |
172 | } | |
173 | } | |
174 | read_unlock(&GlobalSMBSeslock); | |
175 | ||
176 | length = sprintf(buf, "\n"); | |
177 | buf += length; | |
178 | ||
179 | /* BB add code to dump additional info such as TCP session info now */ | |
180 | /* Now calculate total size of returned data */ | |
181 | length = buf - original_buf; | |
182 | ||
183 | if(offset + count >= length) | |
184 | *eof = 1; | |
185 | if(length < offset) { | |
186 | *eof = 1; | |
187 | return 0; | |
188 | } else { | |
189 | length = length - offset; | |
190 | } | |
191 | if (length > count) | |
192 | length = count; | |
193 | ||
194 | return length; | |
195 | } | |
196 | ||
197 | #ifdef CONFIG_CIFS_STATS | |
198 | static int | |
199 | cifs_stats_read(char *buf, char **beginBuffer, off_t offset, | |
200 | int count, int *eof, void *data) | |
201 | { | |
202 | int item_length,i,length; | |
203 | struct list_head *tmp; | |
204 | struct cifsTconInfo *tcon; | |
205 | ||
206 | *beginBuffer = buf + offset; | |
207 | ||
208 | length = sprintf(buf, | |
209 | "Resources in use\nCIFS Session: %d\n", | |
210 | sesInfoAllocCount.counter); | |
211 | buf += length; | |
212 | item_length = | |
213 | sprintf(buf,"Share (unique mount targets): %d\n", | |
214 | tconInfoAllocCount.counter); | |
215 | length += item_length; | |
216 | buf += item_length; | |
217 | item_length = | |
218 | sprintf(buf,"SMB Request/Response Buffer: %d Pool size: %d\n", | |
b8643e1b SF |
219 | bufAllocCount.counter, |
220 | cifs_min_rcv + tcpSesAllocCount.counter); | |
1da177e4 LT |
221 | length += item_length; |
222 | buf += item_length; | |
223 | item_length = | |
224 | sprintf(buf,"SMB Small Req/Resp Buffer: %d Pool size: %d\n", | |
225 | smBufAllocCount.counter,cifs_min_small); | |
226 | length += item_length; | |
227 | buf += item_length; | |
228 | item_length = | |
229 | sprintf(buf,"Operations (MIDs): %d\n", | |
230 | midCount.counter); | |
231 | length += item_length; | |
232 | buf += item_length; | |
233 | item_length = sprintf(buf, | |
234 | "\n%d session %d share reconnects\n", | |
235 | tcpSesReconnectCount.counter,tconInfoReconnectCount.counter); | |
236 | length += item_length; | |
237 | buf += item_length; | |
238 | ||
239 | item_length = sprintf(buf, | |
240 | "Total vfs operations: %d maximum at one time: %d\n", | |
241 | GlobalCurrentXid,GlobalMaxActiveXid); | |
242 | length += item_length; | |
243 | buf += item_length; | |
244 | ||
245 | i = 0; | |
246 | read_lock(&GlobalSMBSeslock); | |
247 | list_for_each(tmp, &GlobalTreeConnectionList) { | |
248 | i++; | |
249 | tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList); | |
250 | item_length = sprintf(buf,"\n%d) %s",i, tcon->treeName); | |
251 | buf += item_length; | |
252 | length += item_length; | |
253 | if(tcon->tidStatus == CifsNeedReconnect) { | |
254 | buf += sprintf(buf, "\tDISCONNECTED "); | |
255 | length += 14; | |
256 | } | |
257 | item_length = sprintf(buf,"\nSMBs: %d Oplock Breaks: %d", | |
258 | atomic_read(&tcon->num_smbs_sent), | |
259 | atomic_read(&tcon->num_oplock_brks)); | |
260 | buf += item_length; | |
261 | length += item_length; | |
262 | item_length = sprintf(buf,"\nReads: %d Bytes %lld", | |
263 | atomic_read(&tcon->num_reads), | |
264 | (long long)(tcon->bytes_read)); | |
265 | buf += item_length; | |
266 | length += item_length; | |
267 | item_length = sprintf(buf,"\nWrites: %d Bytes: %lld", | |
268 | atomic_read(&tcon->num_writes), | |
269 | (long long)(tcon->bytes_written)); | |
270 | buf += item_length; | |
271 | length += item_length; | |
272 | item_length = sprintf(buf, | |
273 | "\nOpens: %d Deletes: %d\nMkdirs: %d Rmdirs: %d", | |
274 | atomic_read(&tcon->num_opens), | |
275 | atomic_read(&tcon->num_deletes), | |
276 | atomic_read(&tcon->num_mkdirs), | |
277 | atomic_read(&tcon->num_rmdirs)); | |
278 | buf += item_length; | |
279 | length += item_length; | |
280 | item_length = sprintf(buf, | |
281 | "\nRenames: %d T2 Renames %d", | |
282 | atomic_read(&tcon->num_renames), | |
283 | atomic_read(&tcon->num_t2renames)); | |
284 | buf += item_length; | |
285 | length += item_length; | |
286 | } | |
287 | read_unlock(&GlobalSMBSeslock); | |
288 | ||
289 | buf += sprintf(buf,"\n"); | |
290 | length++; | |
291 | ||
292 | if(offset + count >= length) | |
293 | *eof = 1; | |
294 | if(length < offset) { | |
295 | *eof = 1; | |
296 | return 0; | |
297 | } else { | |
298 | length = length - offset; | |
299 | } | |
300 | if (length > count) | |
301 | length = count; | |
302 | ||
303 | return length; | |
304 | } | |
305 | #endif | |
306 | ||
307 | static struct proc_dir_entry *proc_fs_cifs; | |
308 | read_proc_t cifs_txanchor_read; | |
309 | static read_proc_t cifsFYI_read; | |
310 | static write_proc_t cifsFYI_write; | |
311 | static read_proc_t oplockEnabled_read; | |
312 | static write_proc_t oplockEnabled_write; | |
313 | static read_proc_t lookupFlag_read; | |
314 | static write_proc_t lookupFlag_write; | |
315 | static read_proc_t traceSMB_read; | |
316 | static write_proc_t traceSMB_write; | |
317 | static read_proc_t multiuser_mount_read; | |
318 | static write_proc_t multiuser_mount_write; | |
319 | static read_proc_t extended_security_read; | |
320 | static write_proc_t extended_security_write; | |
321 | static read_proc_t ntlmv2_enabled_read; | |
322 | static write_proc_t ntlmv2_enabled_write; | |
323 | static read_proc_t packet_signing_enabled_read; | |
324 | static write_proc_t packet_signing_enabled_write; | |
325 | static read_proc_t quotaEnabled_read; | |
326 | static write_proc_t quotaEnabled_write; | |
327 | static read_proc_t linuxExtensionsEnabled_read; | |
328 | static write_proc_t linuxExtensionsEnabled_write; | |
329 | ||
330 | void | |
331 | cifs_proc_init(void) | |
332 | { | |
333 | struct proc_dir_entry *pde; | |
334 | ||
335 | proc_fs_cifs = proc_mkdir("cifs", proc_root_fs); | |
336 | if (proc_fs_cifs == NULL) | |
337 | return; | |
338 | ||
339 | proc_fs_cifs->owner = THIS_MODULE; | |
340 | create_proc_read_entry("DebugData", 0, proc_fs_cifs, | |
341 | cifs_debug_data_read, NULL); | |
342 | ||
343 | #ifdef CONFIG_CIFS_STATS | |
344 | create_proc_read_entry("Stats", 0, proc_fs_cifs, | |
345 | cifs_stats_read, NULL); | |
346 | #endif | |
347 | pde = create_proc_read_entry("cifsFYI", 0, proc_fs_cifs, | |
348 | cifsFYI_read, NULL); | |
349 | if (pde) | |
350 | pde->write_proc = cifsFYI_write; | |
351 | ||
352 | pde = | |
353 | create_proc_read_entry("traceSMB", 0, proc_fs_cifs, | |
354 | traceSMB_read, NULL); | |
355 | if (pde) | |
356 | pde->write_proc = traceSMB_write; | |
357 | ||
358 | pde = create_proc_read_entry("OplockEnabled", 0, proc_fs_cifs, | |
359 | oplockEnabled_read, NULL); | |
360 | if (pde) | |
361 | pde->write_proc = oplockEnabled_write; | |
362 | ||
363 | pde = create_proc_read_entry("ReenableOldCifsReaddirCode", 0, proc_fs_cifs, | |
364 | quotaEnabled_read, NULL); | |
365 | if (pde) | |
366 | pde->write_proc = quotaEnabled_write; | |
367 | ||
368 | pde = create_proc_read_entry("LinuxExtensionsEnabled", 0, proc_fs_cifs, | |
369 | linuxExtensionsEnabled_read, NULL); | |
370 | if (pde) | |
371 | pde->write_proc = linuxExtensionsEnabled_write; | |
372 | ||
373 | pde = | |
374 | create_proc_read_entry("MultiuserMount", 0, proc_fs_cifs, | |
375 | multiuser_mount_read, NULL); | |
376 | if (pde) | |
377 | pde->write_proc = multiuser_mount_write; | |
378 | ||
379 | pde = | |
380 | create_proc_read_entry("ExtendedSecurity", 0, proc_fs_cifs, | |
381 | extended_security_read, NULL); | |
382 | if (pde) | |
383 | pde->write_proc = extended_security_write; | |
384 | ||
385 | pde = | |
386 | create_proc_read_entry("LookupCacheEnabled", 0, proc_fs_cifs, | |
387 | lookupFlag_read, NULL); | |
388 | if (pde) | |
389 | pde->write_proc = lookupFlag_write; | |
390 | ||
391 | pde = | |
392 | create_proc_read_entry("NTLMV2Enabled", 0, proc_fs_cifs, | |
393 | ntlmv2_enabled_read, NULL); | |
394 | if (pde) | |
395 | pde->write_proc = ntlmv2_enabled_write; | |
396 | ||
397 | pde = | |
398 | create_proc_read_entry("PacketSigningEnabled", 0, proc_fs_cifs, | |
399 | packet_signing_enabled_read, NULL); | |
400 | if (pde) | |
401 | pde->write_proc = packet_signing_enabled_write; | |
402 | } | |
403 | ||
404 | void | |
405 | cifs_proc_clean(void) | |
406 | { | |
407 | if (proc_fs_cifs == NULL) | |
408 | return; | |
409 | ||
410 | remove_proc_entry("DebugData", proc_fs_cifs); | |
411 | remove_proc_entry("cifsFYI", proc_fs_cifs); | |
412 | remove_proc_entry("traceSMB", proc_fs_cifs); | |
413 | #ifdef CONFIG_CIFS_STATS | |
414 | remove_proc_entry("Stats", proc_fs_cifs); | |
415 | #endif | |
416 | remove_proc_entry("MultiuserMount", proc_fs_cifs); | |
417 | remove_proc_entry("OplockEnabled", proc_fs_cifs); | |
418 | remove_proc_entry("NTLMV2Enabled",proc_fs_cifs); | |
419 | remove_proc_entry("ExtendedSecurity",proc_fs_cifs); | |
420 | remove_proc_entry("PacketSigningEnabled",proc_fs_cifs); | |
421 | remove_proc_entry("LinuxExtensionsEnabled",proc_fs_cifs); | |
422 | remove_proc_entry("ReenableOldCifsReaddirCode",proc_fs_cifs); | |
423 | remove_proc_entry("LookupCacheEnabled",proc_fs_cifs); | |
424 | remove_proc_entry("cifs", proc_root_fs); | |
425 | } | |
426 | ||
427 | static int | |
428 | cifsFYI_read(char *page, char **start, off_t off, int count, | |
429 | int *eof, void *data) | |
430 | { | |
431 | int len; | |
432 | ||
433 | len = sprintf(page, "%d\n", cifsFYI); | |
434 | ||
435 | len -= off; | |
436 | *start = page + off; | |
437 | ||
438 | if (len > count) | |
439 | len = count; | |
440 | else | |
441 | *eof = 1; | |
442 | ||
443 | if (len < 0) | |
444 | len = 0; | |
445 | ||
446 | return len; | |
447 | } | |
448 | static int | |
449 | cifsFYI_write(struct file *file, const char __user *buffer, | |
450 | unsigned long count, void *data) | |
451 | { | |
452 | char c; | |
453 | int rc; | |
454 | ||
455 | rc = get_user(c, buffer); | |
456 | if (rc) | |
457 | return rc; | |
458 | if (c == '0' || c == 'n' || c == 'N') | |
459 | cifsFYI = 0; | |
460 | else if (c == '1' || c == 'y' || c == 'Y') | |
461 | cifsFYI = 1; | |
462 | ||
463 | return count; | |
464 | } | |
465 | ||
466 | static int | |
467 | oplockEnabled_read(char *page, char **start, off_t off, | |
468 | int count, int *eof, void *data) | |
469 | { | |
470 | int len; | |
471 | ||
472 | len = sprintf(page, "%d\n", oplockEnabled); | |
473 | ||
474 | len -= off; | |
475 | *start = page + off; | |
476 | ||
477 | if (len > count) | |
478 | len = count; | |
479 | else | |
480 | *eof = 1; | |
481 | ||
482 | if (len < 0) | |
483 | len = 0; | |
484 | ||
485 | return len; | |
486 | } | |
487 | static int | |
488 | oplockEnabled_write(struct file *file, const char __user *buffer, | |
489 | unsigned long count, void *data) | |
490 | { | |
491 | char c; | |
492 | int rc; | |
493 | ||
494 | rc = get_user(c, buffer); | |
495 | if (rc) | |
496 | return rc; | |
497 | if (c == '0' || c == 'n' || c == 'N') | |
498 | oplockEnabled = 0; | |
499 | else if (c == '1' || c == 'y' || c == 'Y') | |
500 | oplockEnabled = 1; | |
501 | ||
502 | return count; | |
503 | } | |
504 | ||
505 | static int | |
506 | quotaEnabled_read(char *page, char **start, off_t off, | |
507 | int count, int *eof, void *data) | |
508 | { | |
509 | int len; | |
510 | ||
511 | len = sprintf(page, "%d\n", experimEnabled); | |
512 | /* could also check if quotas are enabled in kernel | |
513 | as a whole first */ | |
514 | len -= off; | |
515 | *start = page + off; | |
516 | ||
517 | if (len > count) | |
518 | len = count; | |
519 | else | |
520 | *eof = 1; | |
521 | ||
522 | if (len < 0) | |
523 | len = 0; | |
524 | ||
525 | return len; | |
526 | } | |
527 | static int | |
528 | quotaEnabled_write(struct file *file, const char __user *buffer, | |
529 | unsigned long count, void *data) | |
530 | { | |
531 | char c; | |
532 | int rc; | |
533 | ||
534 | rc = get_user(c, buffer); | |
535 | if (rc) | |
536 | return rc; | |
537 | if (c == '0' || c == 'n' || c == 'N') | |
538 | experimEnabled = 0; | |
539 | else if (c == '1' || c == 'y' || c == 'Y') | |
540 | experimEnabled = 1; | |
541 | ||
542 | return count; | |
543 | } | |
544 | ||
545 | static int | |
546 | linuxExtensionsEnabled_read(char *page, char **start, off_t off, | |
547 | int count, int *eof, void *data) | |
548 | { | |
549 | int len; | |
550 | ||
551 | len = sprintf(page, "%d\n", linuxExtEnabled); | |
552 | /* could also check if quotas are enabled in kernel | |
553 | as a whole first */ | |
554 | len -= off; | |
555 | *start = page + off; | |
556 | ||
557 | if (len > count) | |
558 | len = count; | |
559 | else | |
560 | *eof = 1; | |
561 | ||
562 | if (len < 0) | |
563 | len = 0; | |
564 | ||
565 | return len; | |
566 | } | |
567 | static int | |
568 | linuxExtensionsEnabled_write(struct file *file, const char __user *buffer, | |
569 | unsigned long count, void *data) | |
570 | { | |
571 | char c; | |
572 | int rc; | |
573 | ||
574 | rc = get_user(c, buffer); | |
575 | if (rc) | |
576 | return rc; | |
577 | if (c == '0' || c == 'n' || c == 'N') | |
578 | linuxExtEnabled = 0; | |
579 | else if (c == '1' || c == 'y' || c == 'Y') | |
580 | linuxExtEnabled = 1; | |
581 | ||
582 | return count; | |
583 | } | |
584 | ||
585 | ||
586 | static int | |
587 | lookupFlag_read(char *page, char **start, off_t off, | |
588 | int count, int *eof, void *data) | |
589 | { | |
590 | int len; | |
591 | ||
592 | len = sprintf(page, "%d\n", lookupCacheEnabled); | |
593 | ||
594 | len -= off; | |
595 | *start = page + off; | |
596 | ||
597 | if (len > count) | |
598 | len = count; | |
599 | else | |
600 | *eof = 1; | |
601 | ||
602 | if (len < 0) | |
603 | len = 0; | |
604 | ||
605 | return len; | |
606 | } | |
607 | static int | |
608 | lookupFlag_write(struct file *file, const char __user *buffer, | |
609 | unsigned long count, void *data) | |
610 | { | |
611 | char c; | |
612 | int rc; | |
613 | ||
614 | rc = get_user(c, buffer); | |
615 | if (rc) | |
616 | return rc; | |
617 | if (c == '0' || c == 'n' || c == 'N') | |
618 | lookupCacheEnabled = 0; | |
619 | else if (c == '1' || c == 'y' || c == 'Y') | |
620 | lookupCacheEnabled = 1; | |
621 | ||
622 | return count; | |
623 | } | |
624 | static int | |
625 | traceSMB_read(char *page, char **start, off_t off, int count, | |
626 | int *eof, void *data) | |
627 | { | |
628 | int len; | |
629 | ||
630 | len = sprintf(page, "%d\n", traceSMB); | |
631 | ||
632 | len -= off; | |
633 | *start = page + off; | |
634 | ||
635 | if (len > count) | |
636 | len = count; | |
637 | else | |
638 | *eof = 1; | |
639 | ||
640 | if (len < 0) | |
641 | len = 0; | |
642 | ||
643 | return len; | |
644 | } | |
645 | static int | |
646 | traceSMB_write(struct file *file, const char __user *buffer, | |
647 | unsigned long count, void *data) | |
648 | { | |
649 | char c; | |
650 | int rc; | |
651 | ||
652 | rc = get_user(c, buffer); | |
653 | if (rc) | |
654 | return rc; | |
655 | if (c == '0' || c == 'n' || c == 'N') | |
656 | traceSMB = 0; | |
657 | else if (c == '1' || c == 'y' || c == 'Y') | |
658 | traceSMB = 1; | |
659 | ||
660 | return count; | |
661 | } | |
662 | ||
663 | static int | |
664 | multiuser_mount_read(char *page, char **start, off_t off, | |
665 | int count, int *eof, void *data) | |
666 | { | |
667 | int len; | |
668 | ||
669 | len = sprintf(page, "%d\n", multiuser_mount); | |
670 | ||
671 | len -= off; | |
672 | *start = page + off; | |
673 | ||
674 | if (len > count) | |
675 | len = count; | |
676 | else | |
677 | *eof = 1; | |
678 | ||
679 | if (len < 0) | |
680 | len = 0; | |
681 | ||
682 | return len; | |
683 | } | |
684 | static int | |
685 | multiuser_mount_write(struct file *file, const char __user *buffer, | |
686 | unsigned long count, void *data) | |
687 | { | |
688 | char c; | |
689 | int rc; | |
690 | ||
691 | rc = get_user(c, buffer); | |
692 | if (rc) | |
693 | return rc; | |
694 | if (c == '0' || c == 'n' || c == 'N') | |
695 | multiuser_mount = 0; | |
696 | else if (c == '1' || c == 'y' || c == 'Y') | |
697 | multiuser_mount = 1; | |
698 | ||
699 | return count; | |
700 | } | |
701 | ||
702 | static int | |
703 | extended_security_read(char *page, char **start, off_t off, | |
704 | int count, int *eof, void *data) | |
705 | { | |
706 | int len; | |
707 | ||
708 | len = sprintf(page, "%d\n", extended_security); | |
709 | ||
710 | len -= off; | |
711 | *start = page + off; | |
712 | ||
713 | if (len > count) | |
714 | len = count; | |
715 | else | |
716 | *eof = 1; | |
717 | ||
718 | if (len < 0) | |
719 | len = 0; | |
720 | ||
721 | return len; | |
722 | } | |
723 | static int | |
724 | extended_security_write(struct file *file, const char __user *buffer, | |
725 | unsigned long count, void *data) | |
726 | { | |
727 | char c; | |
728 | int rc; | |
729 | ||
730 | rc = get_user(c, buffer); | |
731 | if (rc) | |
732 | return rc; | |
733 | if (c == '0' || c == 'n' || c == 'N') | |
734 | extended_security = 0; | |
735 | else if (c == '1' || c == 'y' || c == 'Y') | |
736 | extended_security = 1; | |
737 | ||
738 | return count; | |
739 | } | |
740 | ||
741 | static int | |
742 | ntlmv2_enabled_read(char *page, char **start, off_t off, | |
743 | int count, int *eof, void *data) | |
744 | { | |
745 | int len; | |
746 | ||
747 | len = sprintf(page, "%d\n", ntlmv2_support); | |
748 | ||
749 | len -= off; | |
750 | *start = page + off; | |
751 | ||
752 | if (len > count) | |
753 | len = count; | |
754 | else | |
755 | *eof = 1; | |
756 | ||
757 | if (len < 0) | |
758 | len = 0; | |
759 | ||
760 | return len; | |
761 | } | |
762 | static int | |
763 | ntlmv2_enabled_write(struct file *file, const char __user *buffer, | |
764 | unsigned long count, void *data) | |
765 | { | |
766 | char c; | |
767 | int rc; | |
768 | ||
769 | rc = get_user(c, buffer); | |
770 | if (rc) | |
771 | return rc; | |
772 | if (c == '0' || c == 'n' || c == 'N') | |
773 | ntlmv2_support = 0; | |
774 | else if (c == '1' || c == 'y' || c == 'Y') | |
775 | ntlmv2_support = 1; | |
776 | ||
777 | return count; | |
778 | } | |
779 | ||
780 | static int | |
781 | packet_signing_enabled_read(char *page, char **start, off_t off, | |
782 | int count, int *eof, void *data) | |
783 | { | |
784 | int len; | |
785 | ||
786 | len = sprintf(page, "%d\n", sign_CIFS_PDUs); | |
787 | ||
788 | len -= off; | |
789 | *start = page + off; | |
790 | ||
791 | if (len > count) | |
792 | len = count; | |
793 | else | |
794 | *eof = 1; | |
795 | ||
796 | if (len < 0) | |
797 | len = 0; | |
798 | ||
799 | return len; | |
800 | } | |
801 | static int | |
802 | packet_signing_enabled_write(struct file *file, const char __user *buffer, | |
803 | unsigned long count, void *data) | |
804 | { | |
805 | char c; | |
806 | int rc; | |
807 | ||
808 | rc = get_user(c, buffer); | |
809 | if (rc) | |
810 | return rc; | |
811 | if (c == '0' || c == 'n' || c == 'N') | |
812 | sign_CIFS_PDUs = 0; | |
813 | else if (c == '1' || c == 'y' || c == 'Y') | |
814 | sign_CIFS_PDUs = 1; | |
815 | else if (c == '2') | |
816 | sign_CIFS_PDUs = 2; | |
817 | ||
818 | return count; | |
819 | } | |
820 | ||
821 | ||
822 | #endif |