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1da177e4 LT |
1 | /* |
2 | * fs/cifs_debug.c | |
3 | * | |
4 | * Copyright (C) International Business Machines Corp., 2000,2003 | |
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" | |
32 | ||
33 | void | |
34 | cifs_dump_mem(char *label, void *data, int length) | |
35 | { | |
36 | int i, j; | |
37 | int *intptr = data; | |
38 | char *charptr = data; | |
39 | char buf[10], line[80]; | |
40 | ||
41 | printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n\n", | |
42 | label, length, data); | |
43 | for (i = 0; i < length; i += 16) { | |
44 | line[0] = 0; | |
45 | for (j = 0; (j < 4) && (i + j * 4 < length); j++) { | |
46 | sprintf(buf, " %08x", intptr[i / 4 + j]); | |
47 | strcat(line, buf); | |
48 | } | |
49 | buf[0] = ' '; | |
50 | buf[2] = 0; | |
51 | for (j = 0; (j < 16) && (i + j < length); j++) { | |
52 | buf[1] = isprint(charptr[i + j]) ? charptr[i + j] : '.'; | |
53 | strcat(line, buf); | |
54 | } | |
55 | printk(KERN_DEBUG "%s\n", line); | |
56 | } | |
57 | } | |
58 | ||
59 | #ifdef CONFIG_PROC_FS | |
60 | static int | |
61 | cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset, | |
62 | int count, int *eof, void *data) | |
63 | { | |
64 | struct list_head *tmp; | |
65 | struct list_head *tmp1; | |
66 | struct mid_q_entry * mid_entry; | |
67 | struct cifsSesInfo *ses; | |
68 | struct cifsTconInfo *tcon; | |
69 | int i; | |
70 | int length = 0; | |
71 | char * original_buf = buf; | |
72 | ||
73 | *beginBuffer = buf + offset; | |
74 | ||
75 | ||
76 | length = | |
77 | sprintf(buf, | |
78 | "Display Internal CIFS Data Structures for Debugging\n" | |
79 | "---------------------------------------------------\n"); | |
80 | buf += length; | |
81 | ||
82 | length = sprintf(buf, "Servers:\n"); | |
83 | buf += length; | |
84 | ||
85 | i = 0; | |
86 | read_lock(&GlobalSMBSeslock); | |
87 | list_for_each(tmp, &GlobalSMBSessionList) { | |
88 | i++; | |
89 | ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList); | |
90 | length = | |
91 | sprintf(buf, | |
92 | "\n%d) Name: %s Domain: %s Mounts: %d ServerOS: %s \n\tServerNOS: %s\tCapabilities: 0x%x\n\tSMB session status: %d\t", | |
93 | i, ses->serverName, ses->serverDomain, atomic_read(&ses->inUse), | |
94 | ses->serverOS, ses->serverNOS, ses->capabilities,ses->status); | |
95 | buf += length; | |
96 | if(ses->server) { | |
97 | buf += sprintf(buf, "TCP status: %d\n\tLocal Users To Server: %d SecMode: 0x%x Req Active: %d", | |
98 | ses->server->tcpStatus, | |
99 | atomic_read(&ses->server->socketUseCount), | |
100 | ses->server->secMode, | |
101 | atomic_read(&ses->server->inFlight)); | |
102 | ||
103 | length = sprintf(buf, "\nMIDs: \n"); | |
104 | buf += length; | |
105 | ||
106 | spin_lock(&GlobalMid_Lock); | |
107 | list_for_each(tmp1, &ses->server->pending_mid_q) { | |
108 | mid_entry = list_entry(tmp1, struct | |
109 | mid_q_entry, | |
110 | qhead); | |
111 | if(mid_entry) { | |
112 | length = sprintf(buf,"State: %d com: %d pid: %d tsk: %p mid %d\n",mid_entry->midState,mid_entry->command,mid_entry->pid,mid_entry->tsk,mid_entry->mid); | |
113 | buf += length; | |
114 | } | |
115 | } | |
116 | spin_unlock(&GlobalMid_Lock); | |
117 | } | |
118 | ||
119 | } | |
120 | read_unlock(&GlobalSMBSeslock); | |
121 | sprintf(buf, "\n"); | |
122 | buf++; | |
123 | ||
124 | length = sprintf(buf, "\nShares:\n"); | |
125 | buf += length; | |
126 | ||
127 | i = 0; | |
128 | read_lock(&GlobalSMBSeslock); | |
129 | list_for_each(tmp, &GlobalTreeConnectionList) { | |
130 | __u32 dev_type; | |
131 | i++; | |
132 | tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList); | |
133 | dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType); | |
134 | length = | |
135 | sprintf(buf, | |
136 | "\n%d) %s Uses: %d Type: %s Characteristics: 0x%x Attributes: 0x%x\nPathComponentMax: %d Status: %d", | |
137 | i, tcon->treeName, | |
138 | atomic_read(&tcon->useCount), | |
139 | tcon->nativeFileSystem, | |
140 | le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics), | |
141 | le32_to_cpu(tcon->fsAttrInfo.Attributes), | |
142 | le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength), | |
143 | tcon->tidStatus); | |
144 | buf += length; | |
145 | if (dev_type == FILE_DEVICE_DISK) | |
146 | length = sprintf(buf, " type: DISK "); | |
147 | else if (dev_type == FILE_DEVICE_CD_ROM) | |
148 | length = sprintf(buf, " type: CDROM "); | |
149 | else | |
150 | length = | |
151 | sprintf(buf, " type: %d ", dev_type); | |
152 | buf += length; | |
153 | if(tcon->tidStatus == CifsNeedReconnect) { | |
154 | buf += sprintf(buf, "\tDISCONNECTED "); | |
155 | length += 14; | |
156 | } | |
157 | } | |
158 | read_unlock(&GlobalSMBSeslock); | |
159 | ||
160 | length = sprintf(buf, "\n"); | |
161 | buf += length; | |
162 | ||
163 | /* BB add code to dump additional info such as TCP session info now */ | |
164 | /* Now calculate total size of returned data */ | |
165 | length = buf - original_buf; | |
166 | ||
167 | if(offset + count >= length) | |
168 | *eof = 1; | |
169 | if(length < offset) { | |
170 | *eof = 1; | |
171 | return 0; | |
172 | } else { | |
173 | length = length - offset; | |
174 | } | |
175 | if (length > count) | |
176 | length = count; | |
177 | ||
178 | return length; | |
179 | } | |
180 | ||
181 | #ifdef CONFIG_CIFS_STATS | |
182 | static int | |
183 | cifs_stats_read(char *buf, char **beginBuffer, off_t offset, | |
184 | int count, int *eof, void *data) | |
185 | { | |
186 | int item_length,i,length; | |
187 | struct list_head *tmp; | |
188 | struct cifsTconInfo *tcon; | |
189 | ||
190 | *beginBuffer = buf + offset; | |
191 | ||
192 | length = sprintf(buf, | |
193 | "Resources in use\nCIFS Session: %d\n", | |
194 | sesInfoAllocCount.counter); | |
195 | buf += length; | |
196 | item_length = | |
197 | sprintf(buf,"Share (unique mount targets): %d\n", | |
198 | tconInfoAllocCount.counter); | |
199 | length += item_length; | |
200 | buf += item_length; | |
201 | item_length = | |
202 | sprintf(buf,"SMB Request/Response Buffer: %d Pool size: %d\n", | |
203 | bufAllocCount.counter,cifs_min_rcv + tcpSesAllocCount.counter); | |
204 | length += item_length; | |
205 | buf += item_length; | |
206 | item_length = | |
207 | sprintf(buf,"SMB Small Req/Resp Buffer: %d Pool size: %d\n", | |
208 | smBufAllocCount.counter,cifs_min_small); | |
209 | length += item_length; | |
210 | buf += item_length; | |
211 | item_length = | |
212 | sprintf(buf,"Operations (MIDs): %d\n", | |
213 | midCount.counter); | |
214 | length += item_length; | |
215 | buf += item_length; | |
216 | item_length = sprintf(buf, | |
217 | "\n%d session %d share reconnects\n", | |
218 | tcpSesReconnectCount.counter,tconInfoReconnectCount.counter); | |
219 | length += item_length; | |
220 | buf += item_length; | |
221 | ||
222 | item_length = sprintf(buf, | |
223 | "Total vfs operations: %d maximum at one time: %d\n", | |
224 | GlobalCurrentXid,GlobalMaxActiveXid); | |
225 | length += item_length; | |
226 | buf += item_length; | |
227 | ||
228 | i = 0; | |
229 | read_lock(&GlobalSMBSeslock); | |
230 | list_for_each(tmp, &GlobalTreeConnectionList) { | |
231 | i++; | |
232 | tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList); | |
233 | item_length = sprintf(buf,"\n%d) %s",i, tcon->treeName); | |
234 | buf += item_length; | |
235 | length += item_length; | |
236 | if(tcon->tidStatus == CifsNeedReconnect) { | |
237 | buf += sprintf(buf, "\tDISCONNECTED "); | |
238 | length += 14; | |
239 | } | |
240 | item_length = sprintf(buf,"\nSMBs: %d Oplock Breaks: %d", | |
241 | atomic_read(&tcon->num_smbs_sent), | |
242 | atomic_read(&tcon->num_oplock_brks)); | |
243 | buf += item_length; | |
244 | length += item_length; | |
245 | item_length = sprintf(buf,"\nReads: %d Bytes %lld", | |
246 | atomic_read(&tcon->num_reads), | |
247 | (long long)(tcon->bytes_read)); | |
248 | buf += item_length; | |
249 | length += item_length; | |
250 | item_length = sprintf(buf,"\nWrites: %d Bytes: %lld", | |
251 | atomic_read(&tcon->num_writes), | |
252 | (long long)(tcon->bytes_written)); | |
253 | buf += item_length; | |
254 | length += item_length; | |
255 | item_length = sprintf(buf, | |
256 | "\nOpens: %d Deletes: %d\nMkdirs: %d Rmdirs: %d", | |
257 | atomic_read(&tcon->num_opens), | |
258 | atomic_read(&tcon->num_deletes), | |
259 | atomic_read(&tcon->num_mkdirs), | |
260 | atomic_read(&tcon->num_rmdirs)); | |
261 | buf += item_length; | |
262 | length += item_length; | |
263 | item_length = sprintf(buf, | |
264 | "\nRenames: %d T2 Renames %d", | |
265 | atomic_read(&tcon->num_renames), | |
266 | atomic_read(&tcon->num_t2renames)); | |
267 | buf += item_length; | |
268 | length += item_length; | |
269 | } | |
270 | read_unlock(&GlobalSMBSeslock); | |
271 | ||
272 | buf += sprintf(buf,"\n"); | |
273 | length++; | |
274 | ||
275 | if(offset + count >= length) | |
276 | *eof = 1; | |
277 | if(length < offset) { | |
278 | *eof = 1; | |
279 | return 0; | |
280 | } else { | |
281 | length = length - offset; | |
282 | } | |
283 | if (length > count) | |
284 | length = count; | |
285 | ||
286 | return length; | |
287 | } | |
288 | #endif | |
289 | ||
290 | static struct proc_dir_entry *proc_fs_cifs; | |
291 | read_proc_t cifs_txanchor_read; | |
292 | static read_proc_t cifsFYI_read; | |
293 | static write_proc_t cifsFYI_write; | |
294 | static read_proc_t oplockEnabled_read; | |
295 | static write_proc_t oplockEnabled_write; | |
296 | static read_proc_t lookupFlag_read; | |
297 | static write_proc_t lookupFlag_write; | |
298 | static read_proc_t traceSMB_read; | |
299 | static write_proc_t traceSMB_write; | |
300 | static read_proc_t multiuser_mount_read; | |
301 | static write_proc_t multiuser_mount_write; | |
302 | static read_proc_t extended_security_read; | |
303 | static write_proc_t extended_security_write; | |
304 | static read_proc_t ntlmv2_enabled_read; | |
305 | static write_proc_t ntlmv2_enabled_write; | |
306 | static read_proc_t packet_signing_enabled_read; | |
307 | static write_proc_t packet_signing_enabled_write; | |
308 | static read_proc_t quotaEnabled_read; | |
309 | static write_proc_t quotaEnabled_write; | |
310 | static read_proc_t linuxExtensionsEnabled_read; | |
311 | static write_proc_t linuxExtensionsEnabled_write; | |
312 | ||
313 | void | |
314 | cifs_proc_init(void) | |
315 | { | |
316 | struct proc_dir_entry *pde; | |
317 | ||
318 | proc_fs_cifs = proc_mkdir("cifs", proc_root_fs); | |
319 | if (proc_fs_cifs == NULL) | |
320 | return; | |
321 | ||
322 | proc_fs_cifs->owner = THIS_MODULE; | |
323 | create_proc_read_entry("DebugData", 0, proc_fs_cifs, | |
324 | cifs_debug_data_read, NULL); | |
325 | ||
326 | #ifdef CONFIG_CIFS_STATS | |
327 | create_proc_read_entry("Stats", 0, proc_fs_cifs, | |
328 | cifs_stats_read, NULL); | |
329 | #endif | |
330 | pde = create_proc_read_entry("cifsFYI", 0, proc_fs_cifs, | |
331 | cifsFYI_read, NULL); | |
332 | if (pde) | |
333 | pde->write_proc = cifsFYI_write; | |
334 | ||
335 | pde = | |
336 | create_proc_read_entry("traceSMB", 0, proc_fs_cifs, | |
337 | traceSMB_read, NULL); | |
338 | if (pde) | |
339 | pde->write_proc = traceSMB_write; | |
340 | ||
341 | pde = create_proc_read_entry("OplockEnabled", 0, proc_fs_cifs, | |
342 | oplockEnabled_read, NULL); | |
343 | if (pde) | |
344 | pde->write_proc = oplockEnabled_write; | |
345 | ||
346 | pde = create_proc_read_entry("ReenableOldCifsReaddirCode", 0, proc_fs_cifs, | |
347 | quotaEnabled_read, NULL); | |
348 | if (pde) | |
349 | pde->write_proc = quotaEnabled_write; | |
350 | ||
351 | pde = create_proc_read_entry("LinuxExtensionsEnabled", 0, proc_fs_cifs, | |
352 | linuxExtensionsEnabled_read, NULL); | |
353 | if (pde) | |
354 | pde->write_proc = linuxExtensionsEnabled_write; | |
355 | ||
356 | pde = | |
357 | create_proc_read_entry("MultiuserMount", 0, proc_fs_cifs, | |
358 | multiuser_mount_read, NULL); | |
359 | if (pde) | |
360 | pde->write_proc = multiuser_mount_write; | |
361 | ||
362 | pde = | |
363 | create_proc_read_entry("ExtendedSecurity", 0, proc_fs_cifs, | |
364 | extended_security_read, NULL); | |
365 | if (pde) | |
366 | pde->write_proc = extended_security_write; | |
367 | ||
368 | pde = | |
369 | create_proc_read_entry("LookupCacheEnabled", 0, proc_fs_cifs, | |
370 | lookupFlag_read, NULL); | |
371 | if (pde) | |
372 | pde->write_proc = lookupFlag_write; | |
373 | ||
374 | pde = | |
375 | create_proc_read_entry("NTLMV2Enabled", 0, proc_fs_cifs, | |
376 | ntlmv2_enabled_read, NULL); | |
377 | if (pde) | |
378 | pde->write_proc = ntlmv2_enabled_write; | |
379 | ||
380 | pde = | |
381 | create_proc_read_entry("PacketSigningEnabled", 0, proc_fs_cifs, | |
382 | packet_signing_enabled_read, NULL); | |
383 | if (pde) | |
384 | pde->write_proc = packet_signing_enabled_write; | |
385 | } | |
386 | ||
387 | void | |
388 | cifs_proc_clean(void) | |
389 | { | |
390 | if (proc_fs_cifs == NULL) | |
391 | return; | |
392 | ||
393 | remove_proc_entry("DebugData", proc_fs_cifs); | |
394 | remove_proc_entry("cifsFYI", proc_fs_cifs); | |
395 | remove_proc_entry("traceSMB", proc_fs_cifs); | |
396 | #ifdef CONFIG_CIFS_STATS | |
397 | remove_proc_entry("Stats", proc_fs_cifs); | |
398 | #endif | |
399 | remove_proc_entry("MultiuserMount", proc_fs_cifs); | |
400 | remove_proc_entry("OplockEnabled", proc_fs_cifs); | |
401 | remove_proc_entry("NTLMV2Enabled",proc_fs_cifs); | |
402 | remove_proc_entry("ExtendedSecurity",proc_fs_cifs); | |
403 | remove_proc_entry("PacketSigningEnabled",proc_fs_cifs); | |
404 | remove_proc_entry("LinuxExtensionsEnabled",proc_fs_cifs); | |
405 | remove_proc_entry("ReenableOldCifsReaddirCode",proc_fs_cifs); | |
406 | remove_proc_entry("LookupCacheEnabled",proc_fs_cifs); | |
407 | remove_proc_entry("cifs", proc_root_fs); | |
408 | } | |
409 | ||
410 | static int | |
411 | cifsFYI_read(char *page, char **start, off_t off, int count, | |
412 | int *eof, void *data) | |
413 | { | |
414 | int len; | |
415 | ||
416 | len = sprintf(page, "%d\n", cifsFYI); | |
417 | ||
418 | len -= off; | |
419 | *start = page + off; | |
420 | ||
421 | if (len > count) | |
422 | len = count; | |
423 | else | |
424 | *eof = 1; | |
425 | ||
426 | if (len < 0) | |
427 | len = 0; | |
428 | ||
429 | return len; | |
430 | } | |
431 | static int | |
432 | cifsFYI_write(struct file *file, const char __user *buffer, | |
433 | unsigned long count, void *data) | |
434 | { | |
435 | char c; | |
436 | int rc; | |
437 | ||
438 | rc = get_user(c, buffer); | |
439 | if (rc) | |
440 | return rc; | |
441 | if (c == '0' || c == 'n' || c == 'N') | |
442 | cifsFYI = 0; | |
443 | else if (c == '1' || c == 'y' || c == 'Y') | |
444 | cifsFYI = 1; | |
445 | ||
446 | return count; | |
447 | } | |
448 | ||
449 | static int | |
450 | oplockEnabled_read(char *page, char **start, off_t off, | |
451 | int count, int *eof, void *data) | |
452 | { | |
453 | int len; | |
454 | ||
455 | len = sprintf(page, "%d\n", oplockEnabled); | |
456 | ||
457 | len -= off; | |
458 | *start = page + off; | |
459 | ||
460 | if (len > count) | |
461 | len = count; | |
462 | else | |
463 | *eof = 1; | |
464 | ||
465 | if (len < 0) | |
466 | len = 0; | |
467 | ||
468 | return len; | |
469 | } | |
470 | static int | |
471 | oplockEnabled_write(struct file *file, const char __user *buffer, | |
472 | unsigned long count, void *data) | |
473 | { | |
474 | char c; | |
475 | int rc; | |
476 | ||
477 | rc = get_user(c, buffer); | |
478 | if (rc) | |
479 | return rc; | |
480 | if (c == '0' || c == 'n' || c == 'N') | |
481 | oplockEnabled = 0; | |
482 | else if (c == '1' || c == 'y' || c == 'Y') | |
483 | oplockEnabled = 1; | |
484 | ||
485 | return count; | |
486 | } | |
487 | ||
488 | static int | |
489 | quotaEnabled_read(char *page, char **start, off_t off, | |
490 | int count, int *eof, void *data) | |
491 | { | |
492 | int len; | |
493 | ||
494 | len = sprintf(page, "%d\n", experimEnabled); | |
495 | /* could also check if quotas are enabled in kernel | |
496 | as a whole first */ | |
497 | len -= off; | |
498 | *start = page + off; | |
499 | ||
500 | if (len > count) | |
501 | len = count; | |
502 | else | |
503 | *eof = 1; | |
504 | ||
505 | if (len < 0) | |
506 | len = 0; | |
507 | ||
508 | return len; | |
509 | } | |
510 | static int | |
511 | quotaEnabled_write(struct file *file, const char __user *buffer, | |
512 | unsigned long count, void *data) | |
513 | { | |
514 | char c; | |
515 | int rc; | |
516 | ||
517 | rc = get_user(c, buffer); | |
518 | if (rc) | |
519 | return rc; | |
520 | if (c == '0' || c == 'n' || c == 'N') | |
521 | experimEnabled = 0; | |
522 | else if (c == '1' || c == 'y' || c == 'Y') | |
523 | experimEnabled = 1; | |
524 | ||
525 | return count; | |
526 | } | |
527 | ||
528 | static int | |
529 | linuxExtensionsEnabled_read(char *page, char **start, off_t off, | |
530 | int count, int *eof, void *data) | |
531 | { | |
532 | int len; | |
533 | ||
534 | len = sprintf(page, "%d\n", linuxExtEnabled); | |
535 | /* could also check if quotas are enabled in kernel | |
536 | as a whole first */ | |
537 | len -= off; | |
538 | *start = page + off; | |
539 | ||
540 | if (len > count) | |
541 | len = count; | |
542 | else | |
543 | *eof = 1; | |
544 | ||
545 | if (len < 0) | |
546 | len = 0; | |
547 | ||
548 | return len; | |
549 | } | |
550 | static int | |
551 | linuxExtensionsEnabled_write(struct file *file, const char __user *buffer, | |
552 | unsigned long count, void *data) | |
553 | { | |
554 | char c; | |
555 | int rc; | |
556 | ||
557 | rc = get_user(c, buffer); | |
558 | if (rc) | |
559 | return rc; | |
560 | if (c == '0' || c == 'n' || c == 'N') | |
561 | linuxExtEnabled = 0; | |
562 | else if (c == '1' || c == 'y' || c == 'Y') | |
563 | linuxExtEnabled = 1; | |
564 | ||
565 | return count; | |
566 | } | |
567 | ||
568 | ||
569 | static int | |
570 | lookupFlag_read(char *page, char **start, off_t off, | |
571 | int count, int *eof, void *data) | |
572 | { | |
573 | int len; | |
574 | ||
575 | len = sprintf(page, "%d\n", lookupCacheEnabled); | |
576 | ||
577 | len -= off; | |
578 | *start = page + off; | |
579 | ||
580 | if (len > count) | |
581 | len = count; | |
582 | else | |
583 | *eof = 1; | |
584 | ||
585 | if (len < 0) | |
586 | len = 0; | |
587 | ||
588 | return len; | |
589 | } | |
590 | static int | |
591 | lookupFlag_write(struct file *file, const char __user *buffer, | |
592 | unsigned long count, void *data) | |
593 | { | |
594 | char c; | |
595 | int rc; | |
596 | ||
597 | rc = get_user(c, buffer); | |
598 | if (rc) | |
599 | return rc; | |
600 | if (c == '0' || c == 'n' || c == 'N') | |
601 | lookupCacheEnabled = 0; | |
602 | else if (c == '1' || c == 'y' || c == 'Y') | |
603 | lookupCacheEnabled = 1; | |
604 | ||
605 | return count; | |
606 | } | |
607 | static int | |
608 | traceSMB_read(char *page, char **start, off_t off, int count, | |
609 | int *eof, void *data) | |
610 | { | |
611 | int len; | |
612 | ||
613 | len = sprintf(page, "%d\n", traceSMB); | |
614 | ||
615 | len -= off; | |
616 | *start = page + off; | |
617 | ||
618 | if (len > count) | |
619 | len = count; | |
620 | else | |
621 | *eof = 1; | |
622 | ||
623 | if (len < 0) | |
624 | len = 0; | |
625 | ||
626 | return len; | |
627 | } | |
628 | static int | |
629 | traceSMB_write(struct file *file, const char __user *buffer, | |
630 | unsigned long count, void *data) | |
631 | { | |
632 | char c; | |
633 | int rc; | |
634 | ||
635 | rc = get_user(c, buffer); | |
636 | if (rc) | |
637 | return rc; | |
638 | if (c == '0' || c == 'n' || c == 'N') | |
639 | traceSMB = 0; | |
640 | else if (c == '1' || c == 'y' || c == 'Y') | |
641 | traceSMB = 1; | |
642 | ||
643 | return count; | |
644 | } | |
645 | ||
646 | static int | |
647 | multiuser_mount_read(char *page, char **start, off_t off, | |
648 | int count, int *eof, void *data) | |
649 | { | |
650 | int len; | |
651 | ||
652 | len = sprintf(page, "%d\n", multiuser_mount); | |
653 | ||
654 | len -= off; | |
655 | *start = page + off; | |
656 | ||
657 | if (len > count) | |
658 | len = count; | |
659 | else | |
660 | *eof = 1; | |
661 | ||
662 | if (len < 0) | |
663 | len = 0; | |
664 | ||
665 | return len; | |
666 | } | |
667 | static int | |
668 | multiuser_mount_write(struct file *file, const char __user *buffer, | |
669 | unsigned long count, void *data) | |
670 | { | |
671 | char c; | |
672 | int rc; | |
673 | ||
674 | rc = get_user(c, buffer); | |
675 | if (rc) | |
676 | return rc; | |
677 | if (c == '0' || c == 'n' || c == 'N') | |
678 | multiuser_mount = 0; | |
679 | else if (c == '1' || c == 'y' || c == 'Y') | |
680 | multiuser_mount = 1; | |
681 | ||
682 | return count; | |
683 | } | |
684 | ||
685 | static int | |
686 | extended_security_read(char *page, char **start, off_t off, | |
687 | int count, int *eof, void *data) | |
688 | { | |
689 | int len; | |
690 | ||
691 | len = sprintf(page, "%d\n", extended_security); | |
692 | ||
693 | len -= off; | |
694 | *start = page + off; | |
695 | ||
696 | if (len > count) | |
697 | len = count; | |
698 | else | |
699 | *eof = 1; | |
700 | ||
701 | if (len < 0) | |
702 | len = 0; | |
703 | ||
704 | return len; | |
705 | } | |
706 | static int | |
707 | extended_security_write(struct file *file, const char __user *buffer, | |
708 | unsigned long count, void *data) | |
709 | { | |
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 | extended_security = 0; | |
718 | else if (c == '1' || c == 'y' || c == 'Y') | |
719 | extended_security = 1; | |
720 | ||
721 | return count; | |
722 | } | |
723 | ||
724 | static int | |
725 | ntlmv2_enabled_read(char *page, char **start, off_t off, | |
726 | int count, int *eof, void *data) | |
727 | { | |
728 | int len; | |
729 | ||
730 | len = sprintf(page, "%d\n", ntlmv2_support); | |
731 | ||
732 | len -= off; | |
733 | *start = page + off; | |
734 | ||
735 | if (len > count) | |
736 | len = count; | |
737 | else | |
738 | *eof = 1; | |
739 | ||
740 | if (len < 0) | |
741 | len = 0; | |
742 | ||
743 | return len; | |
744 | } | |
745 | static int | |
746 | ntlmv2_enabled_write(struct file *file, const char __user *buffer, | |
747 | unsigned long count, void *data) | |
748 | { | |
749 | char c; | |
750 | int rc; | |
751 | ||
752 | rc = get_user(c, buffer); | |
753 | if (rc) | |
754 | return rc; | |
755 | if (c == '0' || c == 'n' || c == 'N') | |
756 | ntlmv2_support = 0; | |
757 | else if (c == '1' || c == 'y' || c == 'Y') | |
758 | ntlmv2_support = 1; | |
759 | ||
760 | return count; | |
761 | } | |
762 | ||
763 | static int | |
764 | packet_signing_enabled_read(char *page, char **start, off_t off, | |
765 | int count, int *eof, void *data) | |
766 | { | |
767 | int len; | |
768 | ||
769 | len = sprintf(page, "%d\n", sign_CIFS_PDUs); | |
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 | packet_signing_enabled_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 | sign_CIFS_PDUs = 0; | |
796 | else if (c == '1' || c == 'y' || c == 'Y') | |
797 | sign_CIFS_PDUs = 1; | |
798 | else if (c == '2') | |
799 | sign_CIFS_PDUs = 2; | |
800 | ||
801 | return count; | |
802 | } | |
803 | ||
804 | ||
805 | #endif |