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: ", | |
101 | mid_entry->resp_buf, | |
102 | 62 /* fixme */); | |
103 | } | |
3979877e SF |
104 | } |
105 | } | |
106 | spin_unlock(&GlobalMid_Lock); | |
107 | } | |
108 | #endif /* CONFIG_CIFS_DEBUG2 */ | |
109 | ||
1da177e4 LT |
110 | #ifdef CONFIG_PROC_FS |
111 | static int | |
112 | cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset, | |
113 | int count, int *eof, void *data) | |
114 | { | |
115 | struct list_head *tmp; | |
116 | struct list_head *tmp1; | |
ffdd6e4d | 117 | struct mid_q_entry *mid_entry; |
1da177e4 LT |
118 | struct cifsSesInfo *ses; |
119 | struct cifsTconInfo *tcon; | |
120 | int i; | |
121 | int length = 0; | |
ffdd6e4d | 122 | char *original_buf = buf; |
1da177e4 LT |
123 | |
124 | *beginBuffer = buf + offset; | |
125 | ||
1da177e4 LT |
126 | length = |
127 | sprintf(buf, | |
128 | "Display Internal CIFS Data Structures for Debugging\n" | |
129 | "---------------------------------------------------\n"); | |
130 | buf += length; | |
221601c3 | 131 | length = sprintf(buf, "CIFS Version %s\n", CIFS_VERSION); |
6c91d362 | 132 | buf += length; |
221601c3 SF |
133 | length = sprintf(buf, |
134 | "Active VFS Requests: %d\n", GlobalTotalActiveXid); | |
131afd0b | 135 | buf += length; |
6c91d362 | 136 | length = sprintf(buf, "Servers:"); |
1da177e4 LT |
137 | buf += length; |
138 | ||
139 | i = 0; | |
140 | read_lock(&GlobalSMBSeslock); | |
141 | list_for_each(tmp, &GlobalSMBSessionList) { | |
142 | i++; | |
143 | ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList); | |
221601c3 | 144 | if ((ses->serverDomain == NULL) || (ses->serverOS == NULL) || |
433dc24f | 145 | (ses->serverNOS == NULL)) { |
bd2abf17 SF |
146 | buf += sprintf(buf, "\nentry for %s not fully " |
147 | "displayed\n\t", ses->serverName); | |
433dc24f SF |
148 | |
149 | } else { | |
150 | length = | |
151 | sprintf(buf, | |
221601c3 SF |
152 | "\n%d) Name: %s Domain: %s Mounts: %d OS:" |
153 | " %s \n\tNOS: %s\tCapability: 0x%x\n\tSMB" | |
154 | " session status: %d\t", | |
b8643e1b SF |
155 | i, ses->serverName, ses->serverDomain, |
156 | atomic_read(&ses->inUse), | |
157 | ses->serverOS, ses->serverNOS, | |
221601c3 | 158 | ses->capabilities, ses->status); |
433dc24f SF |
159 | buf += length; |
160 | } | |
221601c3 SF |
161 | if (ses->server) { |
162 | buf += sprintf(buf, "TCP status: %d\n\tLocal Users To " | |
163 | "Server: %d SecMode: 0x%x Req On Wire: %d", | |
1da177e4 LT |
164 | ses->server->tcpStatus, |
165 | atomic_read(&ses->server->socketUseCount), | |
166 | ses->server->secMode, | |
167 | atomic_read(&ses->server->inFlight)); | |
131afd0b SF |
168 | |
169 | #ifdef CONFIG_CIFS_STATS2 | |
68058e75 | 170 | buf += sprintf(buf, " In Send: %d In MaxReq Wait: %d", |
221601c3 | 171 | atomic_read(&ses->server->inSend), |
131afd0b SF |
172 | atomic_read(&ses->server->num_waiters)); |
173 | #endif | |
174 | ||
6c91d362 | 175 | length = sprintf(buf, "\nMIDs:\n"); |
1da177e4 LT |
176 | buf += length; |
177 | ||
178 | spin_lock(&GlobalMid_Lock); | |
179 | list_for_each(tmp1, &ses->server->pending_mid_q) { | |
180 | mid_entry = list_entry(tmp1, struct | |
181 | mid_q_entry, | |
182 | qhead); | |
221601c3 SF |
183 | if (mid_entry) { |
184 | length = sprintf(buf, | |
185 | "State: %d com: %d pid:" | |
186 | " %d tsk: %p mid %d\n", | |
187 | mid_entry->midState, | |
188 | (int)mid_entry->command, | |
189 | mid_entry->pid, | |
190 | mid_entry->tsk, | |
191 | mid_entry->mid); | |
1da177e4 LT |
192 | buf += length; |
193 | } | |
194 | } | |
221601c3 | 195 | spin_unlock(&GlobalMid_Lock); |
1da177e4 LT |
196 | } |
197 | ||
198 | } | |
199 | read_unlock(&GlobalSMBSeslock); | |
200 | sprintf(buf, "\n"); | |
201 | buf++; | |
202 | ||
6c91d362 | 203 | length = sprintf(buf, "Shares:"); |
1da177e4 LT |
204 | buf += length; |
205 | ||
206 | i = 0; | |
207 | read_lock(&GlobalSMBSeslock); | |
208 | list_for_each(tmp, &GlobalTreeConnectionList) { | |
209 | __u32 dev_type; | |
210 | i++; | |
211 | tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList); | |
212 | dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType); | |
213 | length = | |
214 | sprintf(buf, | |
221601c3 SF |
215 | "\n%d) %s Uses: %d Type: %s DevInfo: 0x%x " |
216 | "Attributes: 0x%x\nPathComponentMax: %d Status: %d", | |
1da177e4 LT |
217 | i, tcon->treeName, |
218 | atomic_read(&tcon->useCount), | |
219 | tcon->nativeFileSystem, | |
220 | le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics), | |
221 | le32_to_cpu(tcon->fsAttrInfo.Attributes), | |
222 | le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength), | |
223 | tcon->tidStatus); | |
221601c3 | 224 | buf += length; |
1da177e4 LT |
225 | if (dev_type == FILE_DEVICE_DISK) |
226 | length = sprintf(buf, " type: DISK "); | |
227 | else if (dev_type == FILE_DEVICE_CD_ROM) | |
228 | length = sprintf(buf, " type: CDROM "); | |
229 | else | |
230 | length = | |
231 | sprintf(buf, " type: %d ", dev_type); | |
232 | buf += length; | |
221601c3 | 233 | if (tcon->tidStatus == CifsNeedReconnect) { |
1da177e4 LT |
234 | buf += sprintf(buf, "\tDISCONNECTED "); |
235 | length += 14; | |
236 | } | |
237 | } | |
238 | read_unlock(&GlobalSMBSeslock); | |
239 | ||
240 | length = sprintf(buf, "\n"); | |
241 | buf += length; | |
242 | ||
243 | /* BB add code to dump additional info such as TCP session info now */ | |
244 | /* Now calculate total size of returned data */ | |
245 | length = buf - original_buf; | |
246 | ||
221601c3 | 247 | if (offset + count >= length) |
1da177e4 | 248 | *eof = 1; |
221601c3 | 249 | if (length < offset) { |
1da177e4 LT |
250 | *eof = 1; |
251 | return 0; | |
252 | } else { | |
253 | length = length - offset; | |
254 | } | |
255 | if (length > count) | |
256 | length = count; | |
257 | ||
258 | return length; | |
259 | } | |
260 | ||
261 | #ifdef CONFIG_CIFS_STATS | |
1047abc1 SF |
262 | |
263 | static int | |
264 | cifs_stats_write(struct file *file, const char __user *buffer, | |
221601c3 | 265 | unsigned long count, void *data) |
1047abc1 | 266 | { |
221601c3 SF |
267 | char c; |
268 | int rc; | |
1047abc1 SF |
269 | struct list_head *tmp; |
270 | struct cifsTconInfo *tcon; | |
271 | ||
221601c3 SF |
272 | rc = get_user(c, buffer); |
273 | if (rc) | |
274 | return rc; | |
1047abc1 | 275 | |
221601c3 | 276 | if (c == '1' || c == 'y' || c == 'Y' || c == '0') { |
1047abc1 | 277 | read_lock(&GlobalSMBSeslock); |
4498eed5 SF |
278 | #ifdef CONFIG_CIFS_STATS2 |
279 | atomic_set(&totBufAllocCount, 0); | |
280 | atomic_set(&totSmBufAllocCount, 0); | |
281 | #endif /* CONFIG_CIFS_STATS2 */ | |
1047abc1 SF |
282 | list_for_each(tmp, &GlobalTreeConnectionList) { |
283 | tcon = list_entry(tmp, struct cifsTconInfo, | |
284 | cifsConnectionList); | |
285 | atomic_set(&tcon->num_smbs_sent, 0); | |
286 | atomic_set(&tcon->num_writes, 0); | |
287 | atomic_set(&tcon->num_reads, 0); | |
288 | atomic_set(&tcon->num_oplock_brks, 0); | |
289 | atomic_set(&tcon->num_opens, 0); | |
290 | atomic_set(&tcon->num_closes, 0); | |
291 | atomic_set(&tcon->num_deletes, 0); | |
292 | atomic_set(&tcon->num_mkdirs, 0); | |
293 | atomic_set(&tcon->num_rmdirs, 0); | |
294 | atomic_set(&tcon->num_renames, 0); | |
295 | atomic_set(&tcon->num_t2renames, 0); | |
296 | atomic_set(&tcon->num_ffirst, 0); | |
297 | atomic_set(&tcon->num_fnext, 0); | |
298 | atomic_set(&tcon->num_fclose, 0); | |
299 | atomic_set(&tcon->num_hardlinks, 0); | |
300 | atomic_set(&tcon->num_symlinks, 0); | |
301 | atomic_set(&tcon->num_locks, 0); | |
302 | } | |
303 | read_unlock(&GlobalSMBSeslock); | |
304 | } | |
305 | ||
221601c3 | 306 | return count; |
1047abc1 SF |
307 | } |
308 | ||
1da177e4 LT |
309 | static int |
310 | cifs_stats_read(char *buf, char **beginBuffer, off_t offset, | |
311 | int count, int *eof, void *data) | |
312 | { | |
221601c3 | 313 | int item_length, i, length; |
1da177e4 LT |
314 | struct list_head *tmp; |
315 | struct cifsTconInfo *tcon; | |
316 | ||
317 | *beginBuffer = buf + offset; | |
318 | ||
319 | length = sprintf(buf, | |
320 | "Resources in use\nCIFS Session: %d\n", | |
321 | sesInfoAllocCount.counter); | |
322 | buf += length; | |
221601c3 SF |
323 | item_length = |
324 | sprintf(buf, "Share (unique mount targets): %d\n", | |
1da177e4 LT |
325 | tconInfoAllocCount.counter); |
326 | length += item_length; | |
221601c3 SF |
327 | buf += item_length; |
328 | item_length = | |
329 | sprintf(buf, "SMB Request/Response Buffer: %d Pool size: %d\n", | |
b8643e1b SF |
330 | bufAllocCount.counter, |
331 | cifs_min_rcv + tcpSesAllocCount.counter); | |
1da177e4 LT |
332 | length += item_length; |
333 | buf += item_length; | |
221601c3 SF |
334 | item_length = |
335 | sprintf(buf, "SMB Small Req/Resp Buffer: %d Pool size: %d\n", | |
336 | smBufAllocCount.counter, cifs_min_small); | |
1da177e4 LT |
337 | length += item_length; |
338 | buf += item_length; | |
07475ffb | 339 | #ifdef CONFIG_CIFS_STATS2 |
221601c3 | 340 | item_length = sprintf(buf, "Total Large %d Small %d Allocations\n", |
07475ffb | 341 | atomic_read(&totBufAllocCount), |
221601c3 | 342 | atomic_read(&totSmBufAllocCount)); |
07475ffb SF |
343 | length += item_length; |
344 | buf += item_length; | |
345 | #endif /* CONFIG_CIFS_STATS2 */ | |
346 | ||
221601c3 SF |
347 | item_length = |
348 | sprintf(buf, "Operations (MIDs): %d\n", | |
1da177e4 LT |
349 | midCount.counter); |
350 | length += item_length; | |
351 | buf += item_length; | |
352 | item_length = sprintf(buf, | |
353 | "\n%d session %d share reconnects\n", | |
221601c3 | 354 | tcpSesReconnectCount.counter, tconInfoReconnectCount.counter); |
1da177e4 LT |
355 | length += item_length; |
356 | buf += item_length; | |
357 | ||
358 | item_length = sprintf(buf, | |
359 | "Total vfs operations: %d maximum at one time: %d\n", | |
221601c3 | 360 | GlobalCurrentXid, GlobalMaxActiveXid); |
1da177e4 LT |
361 | length += item_length; |
362 | buf += item_length; | |
363 | ||
364 | i = 0; | |
365 | read_lock(&GlobalSMBSeslock); | |
366 | list_for_each(tmp, &GlobalTreeConnectionList) { | |
367 | i++; | |
368 | tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList); | |
221601c3 | 369 | item_length = sprintf(buf, "\n%d) %s", i, tcon->treeName); |
1da177e4 LT |
370 | buf += item_length; |
371 | length += item_length; | |
221601c3 | 372 | if (tcon->tidStatus == CifsNeedReconnect) { |
1da177e4 LT |
373 | buf += sprintf(buf, "\tDISCONNECTED "); |
374 | length += 14; | |
375 | } | |
a5a2b489 | 376 | item_length = sprintf(buf, "\nSMBs: %d Oplock Breaks: %d", |
1da177e4 LT |
377 | atomic_read(&tcon->num_smbs_sent), |
378 | atomic_read(&tcon->num_oplock_brks)); | |
379 | buf += item_length; | |
380 | length += item_length; | |
0ae0efad | 381 | item_length = sprintf(buf, "\nReads: %d Bytes: %lld", |
1da177e4 LT |
382 | atomic_read(&tcon->num_reads), |
383 | (long long)(tcon->bytes_read)); | |
384 | buf += item_length; | |
385 | length += item_length; | |
a5a2b489 | 386 | item_length = sprintf(buf, "\nWrites: %d Bytes: %lld", |
1da177e4 LT |
387 | atomic_read(&tcon->num_writes), |
388 | (long long)(tcon->bytes_written)); | |
221601c3 SF |
389 | buf += item_length; |
390 | length += item_length; | |
391 | item_length = sprintf(buf, | |
a5a2b489 | 392 | "\nLocks: %d HardLinks: %d Symlinks: %d", |
221601c3 | 393 | atomic_read(&tcon->num_locks), |
a5a2b489 SF |
394 | atomic_read(&tcon->num_hardlinks), |
395 | atomic_read(&tcon->num_symlinks)); | |
221601c3 SF |
396 | buf += item_length; |
397 | length += item_length; | |
a5a2b489 SF |
398 | |
399 | item_length = sprintf(buf, "\nOpens: %d Closes: %d Deletes: %d", | |
400 | atomic_read(&tcon->num_opens), | |
401 | atomic_read(&tcon->num_closes), | |
402 | atomic_read(&tcon->num_deletes)); | |
1da177e4 LT |
403 | buf += item_length; |
404 | length += item_length; | |
a5a2b489 | 405 | item_length = sprintf(buf, "\nMkdirs: %d Rmdirs: %d", |
1da177e4 LT |
406 | atomic_read(&tcon->num_mkdirs), |
407 | atomic_read(&tcon->num_rmdirs)); | |
408 | buf += item_length; | |
409 | length += item_length; | |
a5a2b489 | 410 | item_length = sprintf(buf, "\nRenames: %d T2 Renames %d", |
1da177e4 LT |
411 | atomic_read(&tcon->num_renames), |
412 | atomic_read(&tcon->num_t2renames)); | |
413 | buf += item_length; | |
414 | length += item_length; | |
a5a2b489 | 415 | item_length = sprintf(buf, "\nFindFirst: %d FNext %d FClose %d", |
0c0ff093 SF |
416 | atomic_read(&tcon->num_ffirst), |
417 | atomic_read(&tcon->num_fnext), | |
418 | atomic_read(&tcon->num_fclose)); | |
419 | buf += item_length; | |
420 | length += item_length; | |
1da177e4 LT |
421 | } |
422 | read_unlock(&GlobalSMBSeslock); | |
423 | ||
221601c3 | 424 | buf += sprintf(buf, "\n"); |
1da177e4 LT |
425 | length++; |
426 | ||
221601c3 | 427 | if (offset + count >= length) |
1da177e4 | 428 | *eof = 1; |
221601c3 | 429 | if (length < offset) { |
1da177e4 LT |
430 | *eof = 1; |
431 | return 0; | |
432 | } else { | |
433 | length = length - offset; | |
434 | } | |
435 | if (length > count) | |
436 | length = count; | |
221601c3 | 437 | |
1da177e4 LT |
438 | return length; |
439 | } | |
440 | #endif | |
441 | ||
442 | static struct proc_dir_entry *proc_fs_cifs; | |
443 | read_proc_t cifs_txanchor_read; | |
444 | static read_proc_t cifsFYI_read; | |
445 | static write_proc_t cifsFYI_write; | |
446 | static read_proc_t oplockEnabled_read; | |
447 | static write_proc_t oplockEnabled_write; | |
448 | static read_proc_t lookupFlag_read; | |
449 | static write_proc_t lookupFlag_write; | |
450 | static read_proc_t traceSMB_read; | |
451 | static write_proc_t traceSMB_write; | |
452 | static read_proc_t multiuser_mount_read; | |
453 | static write_proc_t multiuser_mount_write; | |
bdc4bf6e SF |
454 | static read_proc_t security_flags_read; |
455 | static write_proc_t security_flags_write; | |
3979877e | 456 | /* static read_proc_t ntlmv2_enabled_read; |
1da177e4 LT |
457 | static write_proc_t ntlmv2_enabled_write; |
458 | static read_proc_t packet_signing_enabled_read; | |
3979877e | 459 | static write_proc_t packet_signing_enabled_write;*/ |
ec637e3f SF |
460 | static read_proc_t experimEnabled_read; |
461 | static write_proc_t experimEnabled_write; | |
1da177e4 LT |
462 | static read_proc_t linuxExtensionsEnabled_read; |
463 | static write_proc_t linuxExtensionsEnabled_write; | |
464 | ||
465 | void | |
466 | cifs_proc_init(void) | |
467 | { | |
468 | struct proc_dir_entry *pde; | |
469 | ||
470 | proc_fs_cifs = proc_mkdir("cifs", proc_root_fs); | |
471 | if (proc_fs_cifs == NULL) | |
472 | return; | |
473 | ||
474 | proc_fs_cifs->owner = THIS_MODULE; | |
475 | create_proc_read_entry("DebugData", 0, proc_fs_cifs, | |
476 | cifs_debug_data_read, NULL); | |
477 | ||
478 | #ifdef CONFIG_CIFS_STATS | |
1047abc1 | 479 | pde = create_proc_read_entry("Stats", 0, proc_fs_cifs, |
1da177e4 | 480 | cifs_stats_read, NULL); |
1047abc1 SF |
481 | if (pde) |
482 | pde->write_proc = cifs_stats_write; | |
1da177e4 LT |
483 | #endif |
484 | pde = create_proc_read_entry("cifsFYI", 0, proc_fs_cifs, | |
485 | cifsFYI_read, NULL); | |
486 | if (pde) | |
487 | pde->write_proc = cifsFYI_write; | |
488 | ||
489 | pde = | |
490 | create_proc_read_entry("traceSMB", 0, proc_fs_cifs, | |
491 | traceSMB_read, NULL); | |
492 | if (pde) | |
493 | pde->write_proc = traceSMB_write; | |
494 | ||
495 | pde = create_proc_read_entry("OplockEnabled", 0, proc_fs_cifs, | |
496 | oplockEnabled_read, NULL); | |
497 | if (pde) | |
498 | pde->write_proc = oplockEnabled_write; | |
499 | ||
0c0ff093 | 500 | pde = create_proc_read_entry("Experimental", 0, proc_fs_cifs, |
ec637e3f | 501 | experimEnabled_read, NULL); |
1da177e4 | 502 | if (pde) |
ec637e3f | 503 | pde->write_proc = experimEnabled_write; |
1da177e4 LT |
504 | |
505 | pde = create_proc_read_entry("LinuxExtensionsEnabled", 0, proc_fs_cifs, | |
506 | linuxExtensionsEnabled_read, NULL); | |
507 | if (pde) | |
508 | pde->write_proc = linuxExtensionsEnabled_write; | |
509 | ||
510 | pde = | |
511 | create_proc_read_entry("MultiuserMount", 0, proc_fs_cifs, | |
512 | multiuser_mount_read, NULL); | |
513 | if (pde) | |
514 | pde->write_proc = multiuser_mount_write; | |
515 | ||
516 | pde = | |
7c7b25bc | 517 | create_proc_read_entry("SecurityFlags", 0, proc_fs_cifs, |
bdc4bf6e | 518 | security_flags_read, NULL); |
1da177e4 | 519 | if (pde) |
bdc4bf6e | 520 | pde->write_proc = security_flags_write; |
1da177e4 LT |
521 | |
522 | pde = | |
523 | create_proc_read_entry("LookupCacheEnabled", 0, proc_fs_cifs, | |
524 | lookupFlag_read, NULL); | |
525 | if (pde) | |
526 | pde->write_proc = lookupFlag_write; | |
527 | ||
3979877e | 528 | /* pde = |
1da177e4 LT |
529 | create_proc_read_entry("NTLMV2Enabled", 0, proc_fs_cifs, |
530 | ntlmv2_enabled_read, NULL); | |
531 | if (pde) | |
532 | pde->write_proc = ntlmv2_enabled_write; | |
533 | ||
534 | pde = | |
535 | create_proc_read_entry("PacketSigningEnabled", 0, proc_fs_cifs, | |
536 | packet_signing_enabled_read, NULL); | |
537 | if (pde) | |
3979877e | 538 | pde->write_proc = packet_signing_enabled_write;*/ |
1da177e4 LT |
539 | } |
540 | ||
541 | void | |
542 | cifs_proc_clean(void) | |
543 | { | |
544 | if (proc_fs_cifs == NULL) | |
545 | return; | |
546 | ||
547 | remove_proc_entry("DebugData", proc_fs_cifs); | |
548 | remove_proc_entry("cifsFYI", proc_fs_cifs); | |
549 | remove_proc_entry("traceSMB", proc_fs_cifs); | |
550 | #ifdef CONFIG_CIFS_STATS | |
551 | remove_proc_entry("Stats", proc_fs_cifs); | |
552 | #endif | |
553 | remove_proc_entry("MultiuserMount", proc_fs_cifs); | |
554 | remove_proc_entry("OplockEnabled", proc_fs_cifs); | |
3979877e | 555 | /* remove_proc_entry("NTLMV2Enabled",proc_fs_cifs); */ |
221601c3 SF |
556 | remove_proc_entry("SecurityFlags", proc_fs_cifs); |
557 | /* remove_proc_entry("PacketSigningEnabled", proc_fs_cifs); */ | |
558 | remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs); | |
559 | remove_proc_entry("Experimental", proc_fs_cifs); | |
560 | remove_proc_entry("LookupCacheEnabled", proc_fs_cifs); | |
1da177e4 LT |
561 | remove_proc_entry("cifs", proc_root_fs); |
562 | } | |
563 | ||
564 | static int | |
565 | cifsFYI_read(char *page, char **start, off_t off, int count, | |
566 | int *eof, void *data) | |
567 | { | |
568 | int len; | |
569 | ||
570 | len = sprintf(page, "%d\n", cifsFYI); | |
571 | ||
572 | len -= off; | |
573 | *start = page + off; | |
574 | ||
575 | if (len > count) | |
576 | len = count; | |
577 | else | |
578 | *eof = 1; | |
579 | ||
580 | if (len < 0) | |
581 | len = 0; | |
582 | ||
583 | return len; | |
584 | } | |
585 | static int | |
586 | cifsFYI_write(struct file *file, const char __user *buffer, | |
587 | unsigned long count, void *data) | |
588 | { | |
589 | char c; | |
590 | int rc; | |
591 | ||
592 | rc = get_user(c, buffer); | |
593 | if (rc) | |
594 | return rc; | |
595 | if (c == '0' || c == 'n' || c == 'N') | |
596 | cifsFYI = 0; | |
597 | else if (c == '1' || c == 'y' || c == 'Y') | |
598 | cifsFYI = 1; | |
221601c3 | 599 | else if ((c > '1') && (c <= '9')) |
1047abc1 | 600 | cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */ |
1da177e4 LT |
601 | |
602 | return count; | |
603 | } | |
604 | ||
605 | static int | |
606 | oplockEnabled_read(char *page, char **start, off_t off, | |
607 | int count, int *eof, void *data) | |
608 | { | |
609 | int len; | |
610 | ||
611 | len = sprintf(page, "%d\n", oplockEnabled); | |
612 | ||
613 | len -= off; | |
614 | *start = page + off; | |
615 | ||
616 | if (len > count) | |
617 | len = count; | |
618 | else | |
619 | *eof = 1; | |
620 | ||
621 | if (len < 0) | |
622 | len = 0; | |
623 | ||
624 | return len; | |
625 | } | |
626 | static int | |
627 | oplockEnabled_write(struct file *file, const char __user *buffer, | |
628 | unsigned long count, void *data) | |
629 | { | |
630 | char c; | |
631 | int rc; | |
632 | ||
633 | rc = get_user(c, buffer); | |
634 | if (rc) | |
635 | return rc; | |
636 | if (c == '0' || c == 'n' || c == 'N') | |
637 | oplockEnabled = 0; | |
638 | else if (c == '1' || c == 'y' || c == 'Y') | |
639 | oplockEnabled = 1; | |
640 | ||
641 | return count; | |
642 | } | |
643 | ||
644 | static int | |
ec637e3f | 645 | experimEnabled_read(char *page, char **start, off_t off, |
221601c3 | 646 | int count, int *eof, void *data) |
1da177e4 | 647 | { |
221601c3 | 648 | int len; |
1da177e4 | 649 | |
221601c3 | 650 | len = sprintf(page, "%d\n", experimEnabled); |
ec637e3f | 651 | |
221601c3 SF |
652 | len -= off; |
653 | *start = page + off; | |
1da177e4 | 654 | |
221601c3 SF |
655 | if (len > count) |
656 | len = count; | |
657 | else | |
658 | *eof = 1; | |
1da177e4 | 659 | |
221601c3 SF |
660 | if (len < 0) |
661 | len = 0; | |
1da177e4 | 662 | |
221601c3 | 663 | return len; |
1da177e4 LT |
664 | } |
665 | static int | |
ec637e3f | 666 | experimEnabled_write(struct file *file, const char __user *buffer, |
221601c3 | 667 | unsigned long count, void *data) |
1da177e4 | 668 | { |
ec637e3f SF |
669 | char c; |
670 | int rc; | |
1da177e4 | 671 | |
ec637e3f SF |
672 | rc = get_user(c, buffer); |
673 | if (rc) | |
674 | return rc; | |
675 | if (c == '0' || c == 'n' || c == 'N') | |
676 | experimEnabled = 0; | |
677 | else if (c == '1' || c == 'y' || c == 'Y') | |
678 | experimEnabled = 1; | |
679 | else if (c == '2') | |
680 | experimEnabled = 2; | |
1da177e4 | 681 | |
ec637e3f | 682 | return count; |
1da177e4 LT |
683 | } |
684 | ||
685 | static int | |
686 | linuxExtensionsEnabled_read(char *page, char **start, off_t off, | |
221601c3 | 687 | int count, int *eof, void *data) |
1da177e4 | 688 | { |
221601c3 | 689 | int len; |
1da177e4 | 690 | |
221601c3 SF |
691 | len = sprintf(page, "%d\n", linuxExtEnabled); |
692 | len -= off; | |
693 | *start = page + off; | |
1da177e4 | 694 | |
221601c3 SF |
695 | if (len > count) |
696 | len = count; | |
697 | else | |
698 | *eof = 1; | |
1da177e4 | 699 | |
221601c3 SF |
700 | if (len < 0) |
701 | len = 0; | |
1da177e4 | 702 | |
221601c3 | 703 | return len; |
1da177e4 LT |
704 | } |
705 | static int | |
706 | linuxExtensionsEnabled_write(struct file *file, const char __user *buffer, | |
221601c3 | 707 | unsigned long count, void *data) |
1da177e4 | 708 | { |
221601c3 SF |
709 | char c; |
710 | int rc; | |
711 | ||
712 | rc = get_user(c, buffer); | |
713 | if (rc) | |
714 | return rc; | |
715 | if (c == '0' || c == 'n' || c == 'N') | |
716 | linuxExtEnabled = 0; | |
717 | else if (c == '1' || c == 'y' || c == 'Y') | |
718 | linuxExtEnabled = 1; | |
719 | ||
720 | return count; | |
1da177e4 LT |
721 | } |
722 | ||
723 | ||
724 | static int | |
725 | lookupFlag_read(char *page, char **start, off_t off, | |
221601c3 | 726 | int count, int *eof, void *data) |
1da177e4 LT |
727 | { |
728 | int len; | |
729 | ||
730 | len = sprintf(page, "%d\n", lookupCacheEnabled); | |
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 | lookupFlag_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 | lookupCacheEnabled = 0; | |
757 | else if (c == '1' || c == 'y' || c == 'Y') | |
758 | lookupCacheEnabled = 1; | |
759 | ||
760 | return count; | |
761 | } | |
762 | static int | |
763 | traceSMB_read(char *page, char **start, off_t off, int count, | |
764 | int *eof, void *data) | |
765 | { | |
766 | int len; | |
767 | ||
768 | len = sprintf(page, "%d\n", traceSMB); | |
769 | ||
770 | len -= off; | |
771 | *start = page + off; | |
772 | ||
773 | if (len > count) | |
774 | len = count; | |
775 | else | |
776 | *eof = 1; | |
777 | ||
778 | if (len < 0) | |
779 | len = 0; | |
780 | ||
781 | return len; | |
782 | } | |
783 | static int | |
784 | traceSMB_write(struct file *file, const char __user *buffer, | |
785 | unsigned long count, void *data) | |
786 | { | |
787 | char c; | |
788 | int rc; | |
789 | ||
790 | rc = get_user(c, buffer); | |
791 | if (rc) | |
792 | return rc; | |
793 | if (c == '0' || c == 'n' || c == 'N') | |
794 | traceSMB = 0; | |
795 | else if (c == '1' || c == 'y' || c == 'Y') | |
796 | traceSMB = 1; | |
797 | ||
798 | return count; | |
799 | } | |
800 | ||
801 | static int | |
802 | multiuser_mount_read(char *page, char **start, off_t off, | |
803 | int count, int *eof, void *data) | |
804 | { | |
805 | int len; | |
806 | ||
807 | len = sprintf(page, "%d\n", multiuser_mount); | |
808 | ||
809 | len -= off; | |
810 | *start = page + off; | |
811 | ||
812 | if (len > count) | |
813 | len = count; | |
814 | else | |
815 | *eof = 1; | |
816 | ||
817 | if (len < 0) | |
818 | len = 0; | |
819 | ||
820 | return len; | |
821 | } | |
822 | static int | |
823 | multiuser_mount_write(struct file *file, const char __user *buffer, | |
824 | unsigned long count, void *data) | |
825 | { | |
826 | char c; | |
827 | int rc; | |
828 | ||
829 | rc = get_user(c, buffer); | |
830 | if (rc) | |
831 | return rc; | |
832 | if (c == '0' || c == 'n' || c == 'N') | |
833 | multiuser_mount = 0; | |
834 | else if (c == '1' || c == 'y' || c == 'Y') | |
835 | multiuser_mount = 1; | |
836 | ||
837 | return count; | |
838 | } | |
839 | ||
840 | static int | |
bdc4bf6e | 841 | security_flags_read(char *page, char **start, off_t off, |
1da177e4 LT |
842 | int count, int *eof, void *data) |
843 | { | |
844 | int len; | |
845 | ||
3979877e | 846 | len = sprintf(page, "0x%x\n", extended_security); |
1da177e4 LT |
847 | |
848 | len -= off; | |
849 | *start = page + off; | |
850 | ||
851 | if (len > count) | |
852 | len = count; | |
853 | else | |
854 | *eof = 1; | |
855 | ||
856 | if (len < 0) | |
857 | len = 0; | |
858 | ||
859 | return len; | |
860 | } | |
861 | static int | |
bdc4bf6e | 862 | security_flags_write(struct file *file, const char __user *buffer, |
1da177e4 LT |
863 | unsigned long count, void *data) |
864 | { | |
bdc4bf6e SF |
865 | unsigned int flags; |
866 | char flags_string[12]; | |
1da177e4 | 867 | char c; |
bdc4bf6e | 868 | |
221601c3 | 869 | if ((count < 1) || (count > 11)) |
3979877e | 870 | return -EINVAL; |
1da177e4 | 871 | |
bdc4bf6e | 872 | memset(flags_string, 0, 12); |
3979877e | 873 | |
221601c3 | 874 | if (copy_from_user(flags_string, buffer, count)) |
bdc4bf6e | 875 | return -EFAULT; |
3979877e | 876 | |
221601c3 | 877 | if (count < 3) { |
bdc4bf6e SF |
878 | /* single char or single char followed by null */ |
879 | c = flags_string[0]; | |
880 | if (c == '0' || c == 'n' || c == 'N') | |
881 | extended_security = CIFSSEC_DEF; /* default */ | |
882 | else if (c == '1' || c == 'y' || c == 'Y') | |
883 | extended_security = CIFSSEC_MAX; | |
884 | return count; | |
885 | } | |
886 | /* else we have a number */ | |
887 | ||
888 | flags = simple_strtoul(flags_string, NULL, 0); | |
889 | ||
221601c3 | 890 | cFYI(1, ("sec flags 0x%x", flags)); |
bdc4bf6e | 891 | |
221601c3 SF |
892 | if (flags <= 0) { |
893 | cERROR(1, ("invalid security flags %s", flags_string)); | |
bdc4bf6e SF |
894 | return -EINVAL; |
895 | } | |
1da177e4 | 896 | |
221601c3 SF |
897 | if (flags & ~CIFSSEC_MASK) { |
898 | cERROR(1, ("attempt to set unsupported security flags 0x%x", | |
bdc4bf6e SF |
899 | flags & ~CIFSSEC_MASK)); |
900 | return -EINVAL; | |
901 | } | |
902 | /* flags look ok - update the global security flags for cifs module */ | |
903 | extended_security = flags; | |
1da177e4 LT |
904 | return count; |
905 | } | |
906 | ||
3979877e | 907 | /* static int |
1da177e4 LT |
908 | ntlmv2_enabled_read(char *page, char **start, off_t off, |
909 | int count, int *eof, void *data) | |
910 | { | |
911 | int len; | |
912 | ||
913 | len = sprintf(page, "%d\n", ntlmv2_support); | |
914 | ||
915 | len -= off; | |
916 | *start = page + off; | |
917 | ||
918 | if (len > count) | |
919 | len = count; | |
920 | else | |
921 | *eof = 1; | |
922 | ||
923 | if (len < 0) | |
924 | len = 0; | |
925 | ||
926 | return len; | |
927 | } | |
928 | static int | |
929 | ntlmv2_enabled_write(struct file *file, const char __user *buffer, | |
930 | unsigned long count, void *data) | |
931 | { | |
932 | char c; | |
933 | int rc; | |
934 | ||
935 | rc = get_user(c, buffer); | |
936 | if (rc) | |
937 | return rc; | |
938 | if (c == '0' || c == 'n' || c == 'N') | |
939 | ntlmv2_support = 0; | |
940 | else if (c == '1' || c == 'y' || c == 'Y') | |
941 | ntlmv2_support = 1; | |
3979877e SF |
942 | else if (c == '2') |
943 | ntlmv2_support = 2; | |
1da177e4 LT |
944 | |
945 | return count; | |
946 | } | |
947 | ||
948 | static int | |
949 | packet_signing_enabled_read(char *page, char **start, off_t off, | |
950 | int count, int *eof, void *data) | |
951 | { | |
952 | int len; | |
953 | ||
954 | len = sprintf(page, "%d\n", sign_CIFS_PDUs); | |
955 | ||
956 | len -= off; | |
957 | *start = page + off; | |
958 | ||
959 | if (len > count) | |
960 | len = count; | |
961 | else | |
962 | *eof = 1; | |
963 | ||
964 | if (len < 0) | |
965 | len = 0; | |
966 | ||
967 | return len; | |
968 | } | |
969 | static int | |
970 | packet_signing_enabled_write(struct file *file, const char __user *buffer, | |
971 | unsigned long count, void *data) | |
972 | { | |
973 | char c; | |
974 | int rc; | |
975 | ||
976 | rc = get_user(c, buffer); | |
977 | if (rc) | |
978 | return rc; | |
979 | if (c == '0' || c == 'n' || c == 'N') | |
980 | sign_CIFS_PDUs = 0; | |
981 | else if (c == '1' || c == 'y' || c == 'Y') | |
982 | sign_CIFS_PDUs = 1; | |
983 | else if (c == '2') | |
984 | sign_CIFS_PDUs = 2; | |
985 | ||
986 | return count; | |
3979877e | 987 | } */ |
1da177e4 LT |
988 | |
989 | ||
990 | #endif |