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); | |
ad8b15f0 SF |
82 | cERROR(1, ("State: %d Cmd: %d Pid: %d Tsk: %p Mid %d", |
83 | mid_entry->midState, | |
84 | (int)mid_entry->command, | |
85 | mid_entry->pid, | |
86 | mid_entry->tsk, | |
87 | mid_entry->mid)); | |
3979877e | 88 | #ifdef CONFIG_CIFS_STATS2 |
ad8b15f0 SF |
89 | cERROR(1, ("IsLarge: %d buf: %p time rcv: %ld now: %ld", |
90 | mid_entry->largeBuf, | |
91 | mid_entry->resp_buf, | |
92 | mid_entry->when_received, | |
93 | jiffies)); | |
3979877e | 94 | #endif /* STATS2 */ |
ad8b15f0 SF |
95 | cERROR(1, ("IsMult: %d IsEnd: %d", mid_entry->multiRsp, |
96 | mid_entry->multiEnd)); | |
97 | if (mid_entry->resp_buf) { | |
98 | cifs_dump_detail(mid_entry->resp_buf); | |
99 | cifs_dump_mem("existing buf: ", | |
100 | mid_entry->resp_buf, 62); | |
3979877e SF |
101 | } |
102 | } | |
103 | spin_unlock(&GlobalMid_Lock); | |
104 | } | |
105 | #endif /* CONFIG_CIFS_DEBUG2 */ | |
106 | ||
1da177e4 | 107 | #ifdef CONFIG_PROC_FS |
f984c7b9 | 108 | static int cifs_debug_data_proc_show(struct seq_file *m, void *v) |
1da177e4 LT |
109 | { |
110 | struct list_head *tmp; | |
111 | struct list_head *tmp1; | |
ffdd6e4d | 112 | struct mid_q_entry *mid_entry; |
1da177e4 LT |
113 | struct cifsSesInfo *ses; |
114 | struct cifsTconInfo *tcon; | |
115 | int i; | |
1da177e4 | 116 | |
f984c7b9 | 117 | seq_puts(m, |
1da177e4 LT |
118 | "Display Internal CIFS Data Structures for Debugging\n" |
119 | "---------------------------------------------------\n"); | |
f984c7b9 AD |
120 | seq_printf(m, "CIFS Version %s\n", CIFS_VERSION); |
121 | seq_printf(m, "Active VFS Requests: %d\n", GlobalTotalActiveXid); | |
122 | seq_printf(m, "Servers:"); | |
1da177e4 LT |
123 | |
124 | i = 0; | |
125 | read_lock(&GlobalSMBSeslock); | |
126 | list_for_each(tmp, &GlobalSMBSessionList) { | |
127 | i++; | |
128 | ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList); | |
221601c3 | 129 | if ((ses->serverDomain == NULL) || (ses->serverOS == NULL) || |
433dc24f | 130 | (ses->serverNOS == NULL)) { |
f984c7b9 | 131 | seq_printf(m, "\nentry for %s not fully " |
bd2abf17 | 132 | "displayed\n\t", ses->serverName); |
433dc24f | 133 | } else { |
f984c7b9 | 134 | seq_printf(m, |
221601c3 SF |
135 | "\n%d) Name: %s Domain: %s Mounts: %d OS:" |
136 | " %s \n\tNOS: %s\tCapability: 0x%x\n\tSMB" | |
137 | " session status: %d\t", | |
b8643e1b SF |
138 | i, ses->serverName, ses->serverDomain, |
139 | atomic_read(&ses->inUse), | |
140 | ses->serverOS, ses->serverNOS, | |
221601c3 | 141 | ses->capabilities, ses->status); |
433dc24f | 142 | } |
221601c3 | 143 | if (ses->server) { |
f984c7b9 | 144 | seq_printf(m, "TCP status: %d\n\tLocal Users To " |
221601c3 | 145 | "Server: %d SecMode: 0x%x Req On Wire: %d", |
1da177e4 LT |
146 | ses->server->tcpStatus, |
147 | atomic_read(&ses->server->socketUseCount), | |
148 | ses->server->secMode, | |
149 | atomic_read(&ses->server->inFlight)); | |
131afd0b SF |
150 | |
151 | #ifdef CONFIG_CIFS_STATS2 | |
f984c7b9 | 152 | seq_printf(m, " In Send: %d In MaxReq Wait: %d", |
221601c3 | 153 | atomic_read(&ses->server->inSend), |
131afd0b SF |
154 | atomic_read(&ses->server->num_waiters)); |
155 | #endif | |
156 | ||
f984c7b9 | 157 | seq_puts(m, "\nMIDs:\n"); |
1da177e4 LT |
158 | |
159 | spin_lock(&GlobalMid_Lock); | |
160 | list_for_each(tmp1, &ses->server->pending_mid_q) { | |
161 | mid_entry = list_entry(tmp1, struct | |
162 | mid_q_entry, | |
163 | qhead); | |
ad8b15f0 SF |
164 | seq_printf(m, "State: %d com: %d pid:" |
165 | " %d tsk: %p mid %d\n", | |
166 | mid_entry->midState, | |
167 | (int)mid_entry->command, | |
168 | mid_entry->pid, | |
169 | mid_entry->tsk, | |
170 | mid_entry->mid); | |
1da177e4 | 171 | } |
221601c3 | 172 | spin_unlock(&GlobalMid_Lock); |
1da177e4 LT |
173 | } |
174 | ||
175 | } | |
176 | read_unlock(&GlobalSMBSeslock); | |
f984c7b9 | 177 | seq_putc(m, '\n'); |
1da177e4 | 178 | |
f984c7b9 | 179 | seq_puts(m, "Shares:"); |
1da177e4 LT |
180 | |
181 | i = 0; | |
182 | read_lock(&GlobalSMBSeslock); | |
183 | list_for_each(tmp, &GlobalTreeConnectionList) { | |
184 | __u32 dev_type; | |
185 | i++; | |
186 | tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList); | |
187 | dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType); | |
f984c7b9 | 188 | seq_printf(m, "\n%d) %s Uses: %d ", i, |
88f370a6 | 189 | tcon->treeName, atomic_read(&tcon->useCount)); |
88f370a6 | 190 | if (tcon->nativeFileSystem) { |
f984c7b9 | 191 | seq_printf(m, "Type: %s ", |
a23d3069 | 192 | tcon->nativeFileSystem); |
88f370a6 | 193 | } |
f984c7b9 | 194 | seq_printf(m, "DevInfo: 0x%x Attributes: 0x%x" |
88f370a6 | 195 | "\nPathComponentMax: %d Status: %d", |
1da177e4 LT |
196 | le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics), |
197 | le32_to_cpu(tcon->fsAttrInfo.Attributes), | |
198 | le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength), | |
199 | tcon->tidStatus); | |
1da177e4 | 200 | if (dev_type == FILE_DEVICE_DISK) |
f984c7b9 | 201 | seq_puts(m, " type: DISK "); |
1da177e4 | 202 | else if (dev_type == FILE_DEVICE_CD_ROM) |
f984c7b9 | 203 | seq_puts(m, " type: CDROM "); |
1da177e4 | 204 | else |
f984c7b9 | 205 | seq_printf(m, " type: %d ", dev_type); |
ef571cad SP |
206 | |
207 | if (tcon->tidStatus == CifsNeedReconnect) | |
f984c7b9 | 208 | seq_puts(m, "\tDISCONNECTED "); |
1da177e4 LT |
209 | } |
210 | read_unlock(&GlobalSMBSeslock); | |
211 | ||
f984c7b9 | 212 | seq_putc(m, '\n'); |
1da177e4 LT |
213 | |
214 | /* BB add code to dump additional info such as TCP session info now */ | |
f984c7b9 AD |
215 | return 0; |
216 | } | |
1da177e4 | 217 | |
f984c7b9 AD |
218 | static int cifs_debug_data_proc_open(struct inode *inode, struct file *file) |
219 | { | |
220 | return single_open(file, cifs_debug_data_proc_show, NULL); | |
1da177e4 LT |
221 | } |
222 | ||
f984c7b9 AD |
223 | static const struct file_operations cifs_debug_data_proc_fops = { |
224 | .owner = THIS_MODULE, | |
225 | .open = cifs_debug_data_proc_open, | |
226 | .read = seq_read, | |
227 | .llseek = seq_lseek, | |
228 | .release = single_release, | |
229 | }; | |
1047abc1 | 230 | |
f984c7b9 AD |
231 | #ifdef CONFIG_CIFS_STATS |
232 | static ssize_t cifs_stats_proc_write(struct file *file, | |
233 | const char __user *buffer, size_t count, loff_t *ppos) | |
1047abc1 | 234 | { |
221601c3 SF |
235 | char c; |
236 | int rc; | |
1047abc1 SF |
237 | struct list_head *tmp; |
238 | struct cifsTconInfo *tcon; | |
239 | ||
221601c3 SF |
240 | rc = get_user(c, buffer); |
241 | if (rc) | |
242 | return rc; | |
1047abc1 | 243 | |
221601c3 | 244 | if (c == '1' || c == 'y' || c == 'Y' || c == '0') { |
1047abc1 | 245 | read_lock(&GlobalSMBSeslock); |
4498eed5 SF |
246 | #ifdef CONFIG_CIFS_STATS2 |
247 | atomic_set(&totBufAllocCount, 0); | |
248 | atomic_set(&totSmBufAllocCount, 0); | |
249 | #endif /* CONFIG_CIFS_STATS2 */ | |
1047abc1 SF |
250 | list_for_each(tmp, &GlobalTreeConnectionList) { |
251 | tcon = list_entry(tmp, struct cifsTconInfo, | |
252 | cifsConnectionList); | |
253 | atomic_set(&tcon->num_smbs_sent, 0); | |
254 | atomic_set(&tcon->num_writes, 0); | |
255 | atomic_set(&tcon->num_reads, 0); | |
256 | atomic_set(&tcon->num_oplock_brks, 0); | |
257 | atomic_set(&tcon->num_opens, 0); | |
258 | atomic_set(&tcon->num_closes, 0); | |
259 | atomic_set(&tcon->num_deletes, 0); | |
260 | atomic_set(&tcon->num_mkdirs, 0); | |
261 | atomic_set(&tcon->num_rmdirs, 0); | |
262 | atomic_set(&tcon->num_renames, 0); | |
263 | atomic_set(&tcon->num_t2renames, 0); | |
264 | atomic_set(&tcon->num_ffirst, 0); | |
265 | atomic_set(&tcon->num_fnext, 0); | |
266 | atomic_set(&tcon->num_fclose, 0); | |
267 | atomic_set(&tcon->num_hardlinks, 0); | |
268 | atomic_set(&tcon->num_symlinks, 0); | |
269 | atomic_set(&tcon->num_locks, 0); | |
270 | } | |
271 | read_unlock(&GlobalSMBSeslock); | |
272 | } | |
273 | ||
221601c3 | 274 | return count; |
1047abc1 SF |
275 | } |
276 | ||
f984c7b9 | 277 | static int cifs_stats_proc_show(struct seq_file *m, void *v) |
1da177e4 | 278 | { |
f984c7b9 | 279 | int i; |
1da177e4 LT |
280 | struct list_head *tmp; |
281 | struct cifsTconInfo *tcon; | |
282 | ||
f984c7b9 | 283 | seq_printf(m, |
1da177e4 LT |
284 | "Resources in use\nCIFS Session: %d\n", |
285 | sesInfoAllocCount.counter); | |
f984c7b9 | 286 | seq_printf(m, "Share (unique mount targets): %d\n", |
1da177e4 | 287 | tconInfoAllocCount.counter); |
f984c7b9 | 288 | seq_printf(m, "SMB Request/Response Buffer: %d Pool size: %d\n", |
b8643e1b SF |
289 | bufAllocCount.counter, |
290 | cifs_min_rcv + tcpSesAllocCount.counter); | |
f984c7b9 | 291 | seq_printf(m, "SMB Small Req/Resp Buffer: %d Pool size: %d\n", |
221601c3 | 292 | smBufAllocCount.counter, cifs_min_small); |
07475ffb | 293 | #ifdef CONFIG_CIFS_STATS2 |
f984c7b9 | 294 | seq_printf(m, "Total Large %d Small %d Allocations\n", |
07475ffb | 295 | atomic_read(&totBufAllocCount), |
221601c3 | 296 | atomic_read(&totSmBufAllocCount)); |
07475ffb SF |
297 | #endif /* CONFIG_CIFS_STATS2 */ |
298 | ||
f984c7b9 AD |
299 | seq_printf(m, "Operations (MIDs): %d\n", midCount.counter); |
300 | seq_printf(m, | |
1da177e4 | 301 | "\n%d session %d share reconnects\n", |
221601c3 | 302 | tcpSesReconnectCount.counter, tconInfoReconnectCount.counter); |
1da177e4 | 303 | |
f984c7b9 | 304 | seq_printf(m, |
1da177e4 | 305 | "Total vfs operations: %d maximum at one time: %d\n", |
221601c3 | 306 | GlobalCurrentXid, GlobalMaxActiveXid); |
1da177e4 LT |
307 | |
308 | i = 0; | |
309 | read_lock(&GlobalSMBSeslock); | |
310 | list_for_each(tmp, &GlobalTreeConnectionList) { | |
311 | i++; | |
312 | tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList); | |
f984c7b9 AD |
313 | seq_printf(m, "\n%d) %s", i, tcon->treeName); |
314 | if (tcon->tidStatus == CifsNeedReconnect) | |
315 | seq_puts(m, "\tDISCONNECTED "); | |
316 | seq_printf(m, "\nSMBs: %d Oplock Breaks: %d", | |
1da177e4 LT |
317 | atomic_read(&tcon->num_smbs_sent), |
318 | atomic_read(&tcon->num_oplock_brks)); | |
f984c7b9 | 319 | seq_printf(m, "\nReads: %d Bytes: %lld", |
1da177e4 LT |
320 | atomic_read(&tcon->num_reads), |
321 | (long long)(tcon->bytes_read)); | |
f984c7b9 | 322 | seq_printf(m, "\nWrites: %d Bytes: %lld", |
1da177e4 LT |
323 | atomic_read(&tcon->num_writes), |
324 | (long long)(tcon->bytes_written)); | |
f984c7b9 | 325 | seq_printf(m, |
a5a2b489 | 326 | "\nLocks: %d HardLinks: %d Symlinks: %d", |
221601c3 | 327 | atomic_read(&tcon->num_locks), |
a5a2b489 SF |
328 | atomic_read(&tcon->num_hardlinks), |
329 | atomic_read(&tcon->num_symlinks)); | |
a5a2b489 | 330 | |
f984c7b9 | 331 | seq_printf(m, "\nOpens: %d Closes: %d Deletes: %d", |
a5a2b489 SF |
332 | atomic_read(&tcon->num_opens), |
333 | atomic_read(&tcon->num_closes), | |
334 | atomic_read(&tcon->num_deletes)); | |
f984c7b9 | 335 | seq_printf(m, "\nMkdirs: %d Rmdirs: %d", |
1da177e4 LT |
336 | atomic_read(&tcon->num_mkdirs), |
337 | atomic_read(&tcon->num_rmdirs)); | |
f984c7b9 | 338 | seq_printf(m, "\nRenames: %d T2 Renames %d", |
1da177e4 LT |
339 | atomic_read(&tcon->num_renames), |
340 | atomic_read(&tcon->num_t2renames)); | |
f984c7b9 | 341 | seq_printf(m, "\nFindFirst: %d FNext %d FClose %d", |
0c0ff093 SF |
342 | atomic_read(&tcon->num_ffirst), |
343 | atomic_read(&tcon->num_fnext), | |
344 | atomic_read(&tcon->num_fclose)); | |
1da177e4 LT |
345 | } |
346 | read_unlock(&GlobalSMBSeslock); | |
347 | ||
f984c7b9 AD |
348 | seq_putc(m, '\n'); |
349 | return 0; | |
350 | } | |
221601c3 | 351 | |
f984c7b9 AD |
352 | static int cifs_stats_proc_open(struct inode *inode, struct file *file) |
353 | { | |
354 | return single_open(file, cifs_stats_proc_show, NULL); | |
1da177e4 | 355 | } |
f984c7b9 AD |
356 | |
357 | static const struct file_operations cifs_stats_proc_fops = { | |
358 | .owner = THIS_MODULE, | |
359 | .open = cifs_stats_proc_open, | |
360 | .read = seq_read, | |
361 | .llseek = seq_lseek, | |
362 | .release = single_release, | |
363 | .write = cifs_stats_proc_write, | |
364 | }; | |
90c81e0b | 365 | #endif /* STATS */ |
1da177e4 LT |
366 | |
367 | static struct proc_dir_entry *proc_fs_cifs; | |
f984c7b9 AD |
368 | static const struct file_operations cifsFYI_proc_fops; |
369 | static const struct file_operations cifs_oplock_proc_fops; | |
370 | static const struct file_operations cifs_lookup_cache_proc_fops; | |
371 | static const struct file_operations traceSMB_proc_fops; | |
372 | static const struct file_operations cifs_multiuser_mount_proc_fops; | |
373 | static const struct file_operations cifs_security_flags_proc_fops; | |
374 | static const struct file_operations cifs_experimental_proc_fops; | |
375 | static const struct file_operations cifs_linux_ext_proc_fops; | |
1da177e4 LT |
376 | |
377 | void | |
378 | cifs_proc_init(void) | |
379 | { | |
36a5aeb8 | 380 | proc_fs_cifs = proc_mkdir("fs/cifs", NULL); |
1da177e4 LT |
381 | if (proc_fs_cifs == NULL) |
382 | return; | |
383 | ||
384 | proc_fs_cifs->owner = THIS_MODULE; | |
f984c7b9 | 385 | proc_create("DebugData", 0, proc_fs_cifs, &cifs_debug_data_proc_fops); |
1da177e4 LT |
386 | |
387 | #ifdef CONFIG_CIFS_STATS | |
f984c7b9 | 388 | proc_create("Stats", 0, proc_fs_cifs, &cifs_stats_proc_fops); |
90c81e0b | 389 | #endif /* STATS */ |
f984c7b9 AD |
390 | proc_create("cifsFYI", 0, proc_fs_cifs, &cifsFYI_proc_fops); |
391 | proc_create("traceSMB", 0, proc_fs_cifs, &traceSMB_proc_fops); | |
392 | proc_create("OplockEnabled", 0, proc_fs_cifs, &cifs_oplock_proc_fops); | |
99b1f5b2 SF |
393 | proc_create("Experimental", 0, proc_fs_cifs, |
394 | &cifs_experimental_proc_fops); | |
395 | proc_create("LinuxExtensionsEnabled", 0, proc_fs_cifs, | |
396 | &cifs_linux_ext_proc_fops); | |
397 | proc_create("MultiuserMount", 0, proc_fs_cifs, | |
398 | &cifs_multiuser_mount_proc_fops); | |
399 | proc_create("SecurityFlags", 0, proc_fs_cifs, | |
400 | &cifs_security_flags_proc_fops); | |
401 | proc_create("LookupCacheEnabled", 0, proc_fs_cifs, | |
402 | &cifs_lookup_cache_proc_fops); | |
1da177e4 LT |
403 | } |
404 | ||
405 | void | |
406 | cifs_proc_clean(void) | |
407 | { | |
408 | if (proc_fs_cifs == NULL) | |
409 | return; | |
410 | ||
411 | remove_proc_entry("DebugData", proc_fs_cifs); | |
412 | remove_proc_entry("cifsFYI", proc_fs_cifs); | |
413 | remove_proc_entry("traceSMB", proc_fs_cifs); | |
414 | #ifdef CONFIG_CIFS_STATS | |
415 | remove_proc_entry("Stats", proc_fs_cifs); | |
416 | #endif | |
417 | remove_proc_entry("MultiuserMount", proc_fs_cifs); | |
418 | remove_proc_entry("OplockEnabled", proc_fs_cifs); | |
221601c3 | 419 | remove_proc_entry("SecurityFlags", proc_fs_cifs); |
221601c3 SF |
420 | remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs); |
421 | remove_proc_entry("Experimental", proc_fs_cifs); | |
422 | remove_proc_entry("LookupCacheEnabled", proc_fs_cifs); | |
36a5aeb8 | 423 | remove_proc_entry("fs/cifs", NULL); |
1da177e4 LT |
424 | } |
425 | ||
f984c7b9 | 426 | static int cifsFYI_proc_show(struct seq_file *m, void *v) |
1da177e4 | 427 | { |
f984c7b9 AD |
428 | seq_printf(m, "%d\n", cifsFYI); |
429 | return 0; | |
430 | } | |
1da177e4 | 431 | |
f984c7b9 AD |
432 | static int cifsFYI_proc_open(struct inode *inode, struct file *file) |
433 | { | |
434 | return single_open(file, cifsFYI_proc_show, NULL); | |
1da177e4 | 435 | } |
f984c7b9 AD |
436 | |
437 | static ssize_t cifsFYI_proc_write(struct file *file, const char __user *buffer, | |
438 | size_t count, loff_t *ppos) | |
1da177e4 LT |
439 | { |
440 | char c; | |
441 | int rc; | |
442 | ||
443 | rc = get_user(c, buffer); | |
444 | if (rc) | |
445 | return rc; | |
446 | if (c == '0' || c == 'n' || c == 'N') | |
447 | cifsFYI = 0; | |
448 | else if (c == '1' || c == 'y' || c == 'Y') | |
449 | cifsFYI = 1; | |
221601c3 | 450 | else if ((c > '1') && (c <= '9')) |
1047abc1 | 451 | cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */ |
1da177e4 LT |
452 | |
453 | return count; | |
454 | } | |
455 | ||
f984c7b9 AD |
456 | static const struct file_operations cifsFYI_proc_fops = { |
457 | .owner = THIS_MODULE, | |
458 | .open = cifsFYI_proc_open, | |
459 | .read = seq_read, | |
460 | .llseek = seq_lseek, | |
461 | .release = single_release, | |
462 | .write = cifsFYI_proc_write, | |
463 | }; | |
1da177e4 | 464 | |
f984c7b9 AD |
465 | static int cifs_oplock_proc_show(struct seq_file *m, void *v) |
466 | { | |
467 | seq_printf(m, "%d\n", oplockEnabled); | |
468 | return 0; | |
469 | } | |
1da177e4 | 470 | |
f984c7b9 AD |
471 | static int cifs_oplock_proc_open(struct inode *inode, struct file *file) |
472 | { | |
473 | return single_open(file, cifs_oplock_proc_show, NULL); | |
1da177e4 | 474 | } |
f984c7b9 AD |
475 | |
476 | static ssize_t cifs_oplock_proc_write(struct file *file, | |
477 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 LT |
478 | { |
479 | char c; | |
480 | int rc; | |
481 | ||
482 | rc = get_user(c, buffer); | |
483 | if (rc) | |
484 | return rc; | |
485 | if (c == '0' || c == 'n' || c == 'N') | |
486 | oplockEnabled = 0; | |
487 | else if (c == '1' || c == 'y' || c == 'Y') | |
488 | oplockEnabled = 1; | |
489 | ||
490 | return count; | |
491 | } | |
492 | ||
f984c7b9 AD |
493 | static const struct file_operations cifs_oplock_proc_fops = { |
494 | .owner = THIS_MODULE, | |
495 | .open = cifs_oplock_proc_open, | |
496 | .read = seq_read, | |
497 | .llseek = seq_lseek, | |
498 | .release = single_release, | |
499 | .write = cifs_oplock_proc_write, | |
500 | }; | |
1da177e4 | 501 | |
f984c7b9 AD |
502 | static int cifs_experimental_proc_show(struct seq_file *m, void *v) |
503 | { | |
504 | seq_printf(m, "%d\n", experimEnabled); | |
505 | return 0; | |
506 | } | |
1da177e4 | 507 | |
f984c7b9 AD |
508 | static int cifs_experimental_proc_open(struct inode *inode, struct file *file) |
509 | { | |
510 | return single_open(file, cifs_experimental_proc_show, NULL); | |
1da177e4 | 511 | } |
f984c7b9 AD |
512 | |
513 | static ssize_t cifs_experimental_proc_write(struct file *file, | |
514 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 | 515 | { |
ec637e3f SF |
516 | char c; |
517 | int rc; | |
1da177e4 | 518 | |
ec637e3f SF |
519 | rc = get_user(c, buffer); |
520 | if (rc) | |
521 | return rc; | |
522 | if (c == '0' || c == 'n' || c == 'N') | |
523 | experimEnabled = 0; | |
524 | else if (c == '1' || c == 'y' || c == 'Y') | |
525 | experimEnabled = 1; | |
526 | else if (c == '2') | |
527 | experimEnabled = 2; | |
1da177e4 | 528 | |
ec637e3f | 529 | return count; |
1da177e4 LT |
530 | } |
531 | ||
f984c7b9 AD |
532 | static const struct file_operations cifs_experimental_proc_fops = { |
533 | .owner = THIS_MODULE, | |
534 | .open = cifs_experimental_proc_open, | |
535 | .read = seq_read, | |
536 | .llseek = seq_lseek, | |
537 | .release = single_release, | |
538 | .write = cifs_experimental_proc_write, | |
539 | }; | |
1da177e4 | 540 | |
f984c7b9 AD |
541 | static int cifs_linux_ext_proc_show(struct seq_file *m, void *v) |
542 | { | |
543 | seq_printf(m, "%d\n", linuxExtEnabled); | |
544 | return 0; | |
545 | } | |
1da177e4 | 546 | |
f984c7b9 AD |
547 | static int cifs_linux_ext_proc_open(struct inode *inode, struct file *file) |
548 | { | |
549 | return single_open(file, cifs_linux_ext_proc_show, NULL); | |
1da177e4 | 550 | } |
f984c7b9 AD |
551 | |
552 | static ssize_t cifs_linux_ext_proc_write(struct file *file, | |
553 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 | 554 | { |
221601c3 SF |
555 | char c; |
556 | int rc; | |
557 | ||
558 | rc = get_user(c, buffer); | |
559 | if (rc) | |
560 | return rc; | |
561 | if (c == '0' || c == 'n' || c == 'N') | |
562 | linuxExtEnabled = 0; | |
563 | else if (c == '1' || c == 'y' || c == 'Y') | |
564 | linuxExtEnabled = 1; | |
565 | ||
566 | return count; | |
1da177e4 LT |
567 | } |
568 | ||
f984c7b9 AD |
569 | static const struct file_operations cifs_linux_ext_proc_fops = { |
570 | .owner = THIS_MODULE, | |
571 | .open = cifs_linux_ext_proc_open, | |
572 | .read = seq_read, | |
573 | .llseek = seq_lseek, | |
574 | .release = single_release, | |
575 | .write = cifs_linux_ext_proc_write, | |
576 | }; | |
1da177e4 | 577 | |
f984c7b9 | 578 | static int cifs_lookup_cache_proc_show(struct seq_file *m, void *v) |
1da177e4 | 579 | { |
f984c7b9 AD |
580 | seq_printf(m, "%d\n", lookupCacheEnabled); |
581 | return 0; | |
582 | } | |
1da177e4 | 583 | |
f984c7b9 AD |
584 | static int cifs_lookup_cache_proc_open(struct inode *inode, struct file *file) |
585 | { | |
586 | return single_open(file, cifs_lookup_cache_proc_show, NULL); | |
1da177e4 | 587 | } |
f984c7b9 AD |
588 | |
589 | static ssize_t cifs_lookup_cache_proc_write(struct file *file, | |
590 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 LT |
591 | { |
592 | char c; | |
593 | int rc; | |
594 | ||
595 | rc = get_user(c, buffer); | |
596 | if (rc) | |
597 | return rc; | |
598 | if (c == '0' || c == 'n' || c == 'N') | |
599 | lookupCacheEnabled = 0; | |
600 | else if (c == '1' || c == 'y' || c == 'Y') | |
601 | lookupCacheEnabled = 1; | |
602 | ||
603 | return count; | |
604 | } | |
1da177e4 | 605 | |
f984c7b9 AD |
606 | static const struct file_operations cifs_lookup_cache_proc_fops = { |
607 | .owner = THIS_MODULE, | |
608 | .open = cifs_lookup_cache_proc_open, | |
609 | .read = seq_read, | |
610 | .llseek = seq_lseek, | |
611 | .release = single_release, | |
612 | .write = cifs_lookup_cache_proc_write, | |
613 | }; | |
1da177e4 | 614 | |
f984c7b9 AD |
615 | static int traceSMB_proc_show(struct seq_file *m, void *v) |
616 | { | |
617 | seq_printf(m, "%d\n", traceSMB); | |
618 | return 0; | |
619 | } | |
1da177e4 | 620 | |
f984c7b9 AD |
621 | static int traceSMB_proc_open(struct inode *inode, struct file *file) |
622 | { | |
623 | return single_open(file, traceSMB_proc_show, NULL); | |
1da177e4 | 624 | } |
f984c7b9 AD |
625 | |
626 | static ssize_t traceSMB_proc_write(struct file *file, const char __user *buffer, | |
627 | size_t count, loff_t *ppos) | |
1da177e4 LT |
628 | { |
629 | char c; | |
630 | int rc; | |
631 | ||
632 | rc = get_user(c, buffer); | |
633 | if (rc) | |
634 | return rc; | |
635 | if (c == '0' || c == 'n' || c == 'N') | |
636 | traceSMB = 0; | |
637 | else if (c == '1' || c == 'y' || c == 'Y') | |
638 | traceSMB = 1; | |
639 | ||
640 | return count; | |
641 | } | |
642 | ||
f984c7b9 AD |
643 | static const struct file_operations traceSMB_proc_fops = { |
644 | .owner = THIS_MODULE, | |
645 | .open = traceSMB_proc_open, | |
646 | .read = seq_read, | |
647 | .llseek = seq_lseek, | |
648 | .release = single_release, | |
649 | .write = traceSMB_proc_write, | |
650 | }; | |
1da177e4 | 651 | |
f984c7b9 AD |
652 | static int cifs_multiuser_mount_proc_show(struct seq_file *m, void *v) |
653 | { | |
654 | seq_printf(m, "%d\n", multiuser_mount); | |
655 | return 0; | |
656 | } | |
1da177e4 | 657 | |
99b1f5b2 | 658 | static int cifs_multiuser_mount_proc_open(struct inode *inode, struct file *fh) |
f984c7b9 | 659 | { |
99b1f5b2 | 660 | return single_open(fh, cifs_multiuser_mount_proc_show, NULL); |
1da177e4 | 661 | } |
f984c7b9 AD |
662 | |
663 | static ssize_t cifs_multiuser_mount_proc_write(struct file *file, | |
664 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 LT |
665 | { |
666 | char c; | |
667 | int rc; | |
668 | ||
669 | rc = get_user(c, buffer); | |
670 | if (rc) | |
671 | return rc; | |
672 | if (c == '0' || c == 'n' || c == 'N') | |
673 | multiuser_mount = 0; | |
674 | else if (c == '1' || c == 'y' || c == 'Y') | |
675 | multiuser_mount = 1; | |
676 | ||
677 | return count; | |
678 | } | |
679 | ||
f984c7b9 AD |
680 | static const struct file_operations cifs_multiuser_mount_proc_fops = { |
681 | .owner = THIS_MODULE, | |
682 | .open = cifs_multiuser_mount_proc_open, | |
683 | .read = seq_read, | |
684 | .llseek = seq_lseek, | |
685 | .release = single_release, | |
686 | .write = cifs_multiuser_mount_proc_write, | |
687 | }; | |
1da177e4 | 688 | |
f984c7b9 AD |
689 | static int cifs_security_flags_proc_show(struct seq_file *m, void *v) |
690 | { | |
691 | seq_printf(m, "0x%x\n", extended_security); | |
692 | return 0; | |
693 | } | |
1da177e4 | 694 | |
f984c7b9 AD |
695 | static int cifs_security_flags_proc_open(struct inode *inode, struct file *file) |
696 | { | |
697 | return single_open(file, cifs_security_flags_proc_show, NULL); | |
1da177e4 | 698 | } |
f984c7b9 AD |
699 | |
700 | static ssize_t cifs_security_flags_proc_write(struct file *file, | |
701 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 | 702 | { |
bdc4bf6e SF |
703 | unsigned int flags; |
704 | char flags_string[12]; | |
1da177e4 | 705 | char c; |
bdc4bf6e | 706 | |
221601c3 | 707 | if ((count < 1) || (count > 11)) |
3979877e | 708 | return -EINVAL; |
1da177e4 | 709 | |
bdc4bf6e | 710 | memset(flags_string, 0, 12); |
3979877e | 711 | |
221601c3 | 712 | if (copy_from_user(flags_string, buffer, count)) |
bdc4bf6e | 713 | return -EFAULT; |
3979877e | 714 | |
221601c3 | 715 | if (count < 3) { |
bdc4bf6e SF |
716 | /* single char or single char followed by null */ |
717 | c = flags_string[0]; | |
a013689d | 718 | if (c == '0' || c == 'n' || c == 'N') { |
bdc4bf6e | 719 | extended_security = CIFSSEC_DEF; /* default */ |
a013689d SF |
720 | return count; |
721 | } else if (c == '1' || c == 'y' || c == 'Y') { | |
bdc4bf6e | 722 | extended_security = CIFSSEC_MAX; |
a013689d SF |
723 | return count; |
724 | } else if (!isdigit(c)) { | |
725 | cERROR(1, ("invalid flag %c", c)); | |
726 | return -EINVAL; | |
727 | } | |
bdc4bf6e SF |
728 | } |
729 | /* else we have a number */ | |
730 | ||
731 | flags = simple_strtoul(flags_string, NULL, 0); | |
732 | ||
221601c3 | 733 | cFYI(1, ("sec flags 0x%x", flags)); |
bdc4bf6e | 734 | |
221601c3 SF |
735 | if (flags <= 0) { |
736 | cERROR(1, ("invalid security flags %s", flags_string)); | |
bdc4bf6e SF |
737 | return -EINVAL; |
738 | } | |
1da177e4 | 739 | |
221601c3 SF |
740 | if (flags & ~CIFSSEC_MASK) { |
741 | cERROR(1, ("attempt to set unsupported security flags 0x%x", | |
bdc4bf6e SF |
742 | flags & ~CIFSSEC_MASK)); |
743 | return -EINVAL; | |
744 | } | |
745 | /* flags look ok - update the global security flags for cifs module */ | |
746 | extended_security = flags; | |
762e5ab7 SF |
747 | if (extended_security & CIFSSEC_MUST_SIGN) { |
748 | /* requiring signing implies signing is allowed */ | |
749 | extended_security |= CIFSSEC_MAY_SIGN; | |
750 | cFYI(1, ("packet signing now required")); | |
751 | } else if ((extended_security & CIFSSEC_MAY_SIGN) == 0) { | |
752 | cFYI(1, ("packet signing disabled")); | |
753 | } | |
754 | /* BB should we turn on MAY flags for other MUST options? */ | |
1da177e4 LT |
755 | return count; |
756 | } | |
f984c7b9 AD |
757 | |
758 | static const struct file_operations cifs_security_flags_proc_fops = { | |
759 | .owner = THIS_MODULE, | |
760 | .open = cifs_security_flags_proc_open, | |
761 | .read = seq_read, | |
762 | .llseek = seq_lseek, | |
763 | .release = single_release, | |
764 | .write = cifs_security_flags_proc_write, | |
765 | }; | |
90c81e0b | 766 | #else |
e086fcea | 767 | inline void cifs_proc_init(void) |
90c81e0b SF |
768 | { |
769 | } | |
770 | ||
e086fcea | 771 | inline void cifs_proc_clean(void) |
90c81e0b SF |
772 | { |
773 | } | |
774 | #endif /* PROC_FS */ |