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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * fs/cifs_debug.c | |
3 | * | |
b8643e1b | 4 | * Copyright (C) International Business Machines Corp., 2000,2005 |
1da177e4 LT |
5 | * |
6 | * Modified by Steve French (sfrench@us.ibm.com) | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
221601c3 | 10 | * the Free Software Foundation; either version 2 of the License, or |
1da177e4 | 11 | * (at your option) any later version. |
221601c3 | 12 | * |
1da177e4 LT |
13 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
16 | * the GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
221601c3 | 19 | * along with this program; if not, write to the Free Software |
1da177e4 LT |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
21 | */ | |
22 | #include <linux/fs.h> | |
23 | #include <linux/string.h> | |
24 | #include <linux/ctype.h> | |
25 | #include <linux/module.h> | |
26 | #include <linux/proc_fs.h> | |
27 | #include <asm/uaccess.h> | |
28 | #include "cifspdu.h" | |
29 | #include "cifsglob.h" | |
30 | #include "cifsproto.h" | |
31 | #include "cifs_debug.h" | |
6c91d362 | 32 | #include "cifsfs.h" |
1da177e4 LT |
33 | |
34 | void | |
35 | cifs_dump_mem(char *label, void *data, int length) | |
36 | { | |
37 | int i, j; | |
38 | int *intptr = data; | |
39 | char *charptr = data; | |
40 | char buf[10], line[80]; | |
41 | ||
221601c3 | 42 | printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n", |
1da177e4 LT |
43 | label, length, data); |
44 | for (i = 0; i < length; i += 16) { | |
45 | line[0] = 0; | |
46 | for (j = 0; (j < 4) && (i + j * 4 < length); j++) { | |
47 | sprintf(buf, " %08x", intptr[i / 4 + j]); | |
48 | strcat(line, buf); | |
49 | } | |
50 | buf[0] = ' '; | |
51 | buf[2] = 0; | |
52 | for (j = 0; (j < 16) && (i + j < length); j++) { | |
53 | buf[1] = isprint(charptr[i + j]) ? charptr[i + j] : '.'; | |
54 | strcat(line, buf); | |
55 | } | |
56 | printk(KERN_DEBUG "%s\n", line); | |
57 | } | |
58 | } | |
59 | ||
3979877e | 60 | #ifdef CONFIG_CIFS_DEBUG2 |
ffdd6e4d | 61 | void cifs_dump_detail(struct smb_hdr *smb) |
3979877e | 62 | { |
b6b38f70 | 63 | cERROR(1, "Cmd: %d Err: 0x%x Flags: 0x%x Flgs2: 0x%x Mid: %d Pid: %d", |
3979877e | 64 | smb->Command, smb->Status.CifsError, |
b6b38f70 JP |
65 | smb->Flags, smb->Flags2, smb->Mid, smb->Pid); |
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 | ||
b6b38f70 | 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); | |
b6b38f70 | 82 | cERROR(1, "State: %d Cmd: %d Pid: %d Tsk: %p Mid %d", |
ad8b15f0 SF |
83 | mid_entry->midState, |
84 | (int)mid_entry->command, | |
85 | mid_entry->pid, | |
86 | mid_entry->tsk, | |
b6b38f70 | 87 | mid_entry->mid); |
3979877e | 88 | #ifdef CONFIG_CIFS_STATS2 |
b6b38f70 | 89 | cERROR(1, "IsLarge: %d buf: %p time rcv: %ld now: %ld", |
ad8b15f0 SF |
90 | mid_entry->largeBuf, |
91 | mid_entry->resp_buf, | |
92 | mid_entry->when_received, | |
b6b38f70 | 93 | jiffies); |
3979877e | 94 | #endif /* STATS2 */ |
b6b38f70 JP |
95 | cERROR(1, "IsMult: %d IsEnd: %d", mid_entry->multiRsp, |
96 | mid_entry->multiEnd); | |
ad8b15f0 SF |
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 | 109 | { |
f1987b44 | 110 | struct list_head *tmp1, *tmp2, *tmp3; |
ffdd6e4d | 111 | struct mid_q_entry *mid_entry; |
14fbf50d | 112 | struct TCP_Server_Info *server; |
1da177e4 LT |
113 | struct cifsSesInfo *ses; |
114 | struct cifsTconInfo *tcon; | |
f1987b44 JL |
115 | int i, j; |
116 | __u32 dev_type; | |
1da177e4 | 117 | |
f984c7b9 | 118 | seq_puts(m, |
1da177e4 LT |
119 | "Display Internal CIFS Data Structures for Debugging\n" |
120 | "---------------------------------------------------\n"); | |
f984c7b9 | 121 | seq_printf(m, "CIFS Version %s\n", CIFS_VERSION); |
f579903e SJ |
122 | seq_printf(m, "Features: "); |
123 | #ifdef CONFIG_CIFS_DFS_UPCALL | |
124 | seq_printf(m, "dfs"); | |
125 | seq_putc(m, ' '); | |
126 | #endif | |
127 | #ifdef CONFIG_CIFS_FSCACHE | |
128 | seq_printf(m, "fscache"); | |
129 | seq_putc(m, ' '); | |
130 | #endif | |
131 | #ifdef CONFIG_CIFS_WEAK_PW_HASH | |
132 | seq_printf(m, "lanman"); | |
133 | seq_putc(m, ' '); | |
134 | #endif | |
135 | #ifdef CONFIG_CIFS_POSIX | |
136 | seq_printf(m, "posix"); | |
137 | seq_putc(m, ' '); | |
138 | #endif | |
139 | #ifdef CONFIG_CIFS_UPCALL | |
140 | seq_printf(m, "spnego"); | |
141 | seq_putc(m, ' '); | |
142 | #endif | |
143 | #ifdef CONFIG_CIFS_XATTR | |
144 | seq_printf(m, "xattr"); | |
145 | #endif | |
146 | seq_putc(m, '\n'); | |
f984c7b9 AD |
147 | seq_printf(m, "Active VFS Requests: %d\n", GlobalTotalActiveXid); |
148 | seq_printf(m, "Servers:"); | |
1da177e4 LT |
149 | |
150 | i = 0; | |
14fbf50d | 151 | read_lock(&cifs_tcp_ses_lock); |
f1987b44 JL |
152 | list_for_each(tmp1, &cifs_tcp_ses_list) { |
153 | server = list_entry(tmp1, struct TCP_Server_Info, | |
14fbf50d | 154 | tcp_ses_list); |
1da177e4 | 155 | i++; |
14fbf50d JL |
156 | list_for_each(tmp2, &server->smb_ses_list) { |
157 | ses = list_entry(tmp2, struct cifsSesInfo, | |
158 | smb_ses_list); | |
159 | if ((ses->serverDomain == NULL) || | |
160 | (ses->serverOS == NULL) || | |
161 | (ses->serverNOS == NULL)) { | |
f1987b44 JL |
162 | seq_printf(m, "\n%d) entry for %s not fully " |
163 | "displayed\n\t", i, ses->serverName); | |
14fbf50d JL |
164 | } else { |
165 | seq_printf(m, | |
f1987b44 JL |
166 | "\n%d) Name: %s Domain: %s Uses: %d OS:" |
167 | " %s\n\tNOS: %s\tCapability: 0x%x\n\tSMB" | |
221601c3 | 168 | " session status: %d\t", |
b8643e1b | 169 | i, ses->serverName, ses->serverDomain, |
14fbf50d | 170 | ses->ses_count, ses->serverOS, ses->serverNOS, |
221601c3 | 171 | ses->capabilities, ses->status); |
14fbf50d | 172 | } |
f984c7b9 | 173 | seq_printf(m, "TCP status: %d\n\tLocal Users To " |
14fbf50d JL |
174 | "Server: %d SecMode: 0x%x Req On Wire: %d", |
175 | server->tcpStatus, server->srv_count, | |
176 | server->secMode, | |
177 | atomic_read(&server->inFlight)); | |
131afd0b SF |
178 | |
179 | #ifdef CONFIG_CIFS_STATS2 | |
f984c7b9 | 180 | seq_printf(m, " In Send: %d In MaxReq Wait: %d", |
14fbf50d JL |
181 | atomic_read(&server->inSend), |
182 | atomic_read(&server->num_waiters)); | |
131afd0b SF |
183 | #endif |
184 | ||
f1987b44 JL |
185 | seq_puts(m, "\n\tShares:"); |
186 | j = 0; | |
187 | list_for_each(tmp3, &ses->tcon_list) { | |
188 | tcon = list_entry(tmp3, struct cifsTconInfo, | |
189 | tcon_list); | |
190 | ++j; | |
191 | dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType); | |
192 | seq_printf(m, "\n\t%d) %s Mounts: %d ", j, | |
193 | tcon->treeName, tcon->tc_count); | |
194 | if (tcon->nativeFileSystem) { | |
195 | seq_printf(m, "Type: %s ", | |
196 | tcon->nativeFileSystem); | |
197 | } | |
198 | seq_printf(m, "DevInfo: 0x%x Attributes: 0x%x" | |
199 | "\nPathComponentMax: %d Status: 0x%d", | |
200 | le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics), | |
201 | le32_to_cpu(tcon->fsAttrInfo.Attributes), | |
202 | le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength), | |
203 | tcon->tidStatus); | |
204 | if (dev_type == FILE_DEVICE_DISK) | |
205 | seq_puts(m, " type: DISK "); | |
206 | else if (dev_type == FILE_DEVICE_CD_ROM) | |
207 | seq_puts(m, " type: CDROM "); | |
208 | else | |
209 | seq_printf(m, " type: %d ", dev_type); | |
210 | ||
211 | if (tcon->need_reconnect) | |
212 | seq_puts(m, "\tDISCONNECTED "); | |
213 | seq_putc(m, '\n'); | |
214 | } | |
215 | ||
216 | seq_puts(m, "\n\tMIDs:\n"); | |
1da177e4 LT |
217 | |
218 | spin_lock(&GlobalMid_Lock); | |
14fbf50d | 219 | list_for_each(tmp3, &server->pending_mid_q) { |
f1987b44 | 220 | mid_entry = list_entry(tmp3, struct mid_q_entry, |
1da177e4 | 221 | qhead); |
f1987b44 | 222 | seq_printf(m, "\tState: %d com: %d pid:" |
ad8b15f0 SF |
223 | " %d tsk: %p mid %d\n", |
224 | mid_entry->midState, | |
225 | (int)mid_entry->command, | |
226 | mid_entry->pid, | |
227 | mid_entry->tsk, | |
228 | mid_entry->mid); | |
1da177e4 | 229 | } |
221601c3 | 230 | spin_unlock(&GlobalMid_Lock); |
1da177e4 | 231 | } |
1da177e4 | 232 | } |
14fbf50d | 233 | read_unlock(&cifs_tcp_ses_lock); |
f984c7b9 | 234 | seq_putc(m, '\n'); |
1da177e4 | 235 | |
1da177e4 | 236 | /* BB add code to dump additional info such as TCP session info now */ |
f984c7b9 AD |
237 | return 0; |
238 | } | |
1da177e4 | 239 | |
f984c7b9 AD |
240 | static int cifs_debug_data_proc_open(struct inode *inode, struct file *file) |
241 | { | |
242 | return single_open(file, cifs_debug_data_proc_show, NULL); | |
1da177e4 LT |
243 | } |
244 | ||
f984c7b9 AD |
245 | static const struct file_operations cifs_debug_data_proc_fops = { |
246 | .owner = THIS_MODULE, | |
247 | .open = cifs_debug_data_proc_open, | |
248 | .read = seq_read, | |
249 | .llseek = seq_lseek, | |
250 | .release = single_release, | |
251 | }; | |
1047abc1 | 252 | |
f984c7b9 AD |
253 | #ifdef CONFIG_CIFS_STATS |
254 | static ssize_t cifs_stats_proc_write(struct file *file, | |
255 | const char __user *buffer, size_t count, loff_t *ppos) | |
1047abc1 | 256 | { |
221601c3 SF |
257 | char c; |
258 | int rc; | |
f1987b44 JL |
259 | struct list_head *tmp1, *tmp2, *tmp3; |
260 | struct TCP_Server_Info *server; | |
261 | struct cifsSesInfo *ses; | |
1047abc1 SF |
262 | struct cifsTconInfo *tcon; |
263 | ||
221601c3 SF |
264 | rc = get_user(c, buffer); |
265 | if (rc) | |
266 | return rc; | |
1047abc1 | 267 | |
221601c3 | 268 | if (c == '1' || c == 'y' || c == 'Y' || c == '0') { |
4498eed5 SF |
269 | #ifdef CONFIG_CIFS_STATS2 |
270 | atomic_set(&totBufAllocCount, 0); | |
271 | atomic_set(&totSmBufAllocCount, 0); | |
272 | #endif /* CONFIG_CIFS_STATS2 */ | |
f1987b44 JL |
273 | read_lock(&cifs_tcp_ses_lock); |
274 | list_for_each(tmp1, &cifs_tcp_ses_list) { | |
275 | server = list_entry(tmp1, struct TCP_Server_Info, | |
276 | tcp_ses_list); | |
c2b3382c | 277 | list_for_each(tmp2, &server->smb_ses_list) { |
f1987b44 | 278 | ses = list_entry(tmp2, struct cifsSesInfo, |
c2b3382c | 279 | smb_ses_list); |
f1987b44 JL |
280 | list_for_each(tmp3, &ses->tcon_list) { |
281 | tcon = list_entry(tmp3, | |
282 | struct cifsTconInfo, | |
283 | tcon_list); | |
284 | atomic_set(&tcon->num_smbs_sent, 0); | |
285 | atomic_set(&tcon->num_writes, 0); | |
286 | atomic_set(&tcon->num_reads, 0); | |
287 | atomic_set(&tcon->num_oplock_brks, 0); | |
288 | atomic_set(&tcon->num_opens, 0); | |
65bc98b0 SF |
289 | atomic_set(&tcon->num_posixopens, 0); |
290 | atomic_set(&tcon->num_posixmkdirs, 0); | |
f1987b44 JL |
291 | atomic_set(&tcon->num_closes, 0); |
292 | atomic_set(&tcon->num_deletes, 0); | |
293 | atomic_set(&tcon->num_mkdirs, 0); | |
294 | atomic_set(&tcon->num_rmdirs, 0); | |
295 | atomic_set(&tcon->num_renames, 0); | |
296 | atomic_set(&tcon->num_t2renames, 0); | |
297 | atomic_set(&tcon->num_ffirst, 0); | |
298 | atomic_set(&tcon->num_fnext, 0); | |
299 | atomic_set(&tcon->num_fclose, 0); | |
300 | atomic_set(&tcon->num_hardlinks, 0); | |
301 | atomic_set(&tcon->num_symlinks, 0); | |
302 | atomic_set(&tcon->num_locks, 0); | |
303 | } | |
304 | } | |
1047abc1 | 305 | } |
f1987b44 | 306 | read_unlock(&cifs_tcp_ses_lock); |
1047abc1 SF |
307 | } |
308 | ||
221601c3 | 309 | return count; |
1047abc1 SF |
310 | } |
311 | ||
f984c7b9 | 312 | static int cifs_stats_proc_show(struct seq_file *m, void *v) |
1da177e4 | 313 | { |
f984c7b9 | 314 | int i; |
f1987b44 JL |
315 | struct list_head *tmp1, *tmp2, *tmp3; |
316 | struct TCP_Server_Info *server; | |
317 | struct cifsSesInfo *ses; | |
1da177e4 LT |
318 | struct cifsTconInfo *tcon; |
319 | ||
f984c7b9 | 320 | seq_printf(m, |
1da177e4 LT |
321 | "Resources in use\nCIFS Session: %d\n", |
322 | sesInfoAllocCount.counter); | |
f984c7b9 | 323 | seq_printf(m, "Share (unique mount targets): %d\n", |
1da177e4 | 324 | tconInfoAllocCount.counter); |
f984c7b9 | 325 | seq_printf(m, "SMB Request/Response Buffer: %d Pool size: %d\n", |
b8643e1b SF |
326 | bufAllocCount.counter, |
327 | cifs_min_rcv + tcpSesAllocCount.counter); | |
f984c7b9 | 328 | seq_printf(m, "SMB Small Req/Resp Buffer: %d Pool size: %d\n", |
221601c3 | 329 | smBufAllocCount.counter, cifs_min_small); |
07475ffb | 330 | #ifdef CONFIG_CIFS_STATS2 |
f984c7b9 | 331 | seq_printf(m, "Total Large %d Small %d Allocations\n", |
07475ffb | 332 | atomic_read(&totBufAllocCount), |
221601c3 | 333 | atomic_read(&totSmBufAllocCount)); |
07475ffb SF |
334 | #endif /* CONFIG_CIFS_STATS2 */ |
335 | ||
f984c7b9 AD |
336 | seq_printf(m, "Operations (MIDs): %d\n", midCount.counter); |
337 | seq_printf(m, | |
1da177e4 | 338 | "\n%d session %d share reconnects\n", |
221601c3 | 339 | tcpSesReconnectCount.counter, tconInfoReconnectCount.counter); |
1da177e4 | 340 | |
f984c7b9 | 341 | seq_printf(m, |
1da177e4 | 342 | "Total vfs operations: %d maximum at one time: %d\n", |
221601c3 | 343 | GlobalCurrentXid, GlobalMaxActiveXid); |
1da177e4 LT |
344 | |
345 | i = 0; | |
f1987b44 JL |
346 | read_lock(&cifs_tcp_ses_lock); |
347 | list_for_each(tmp1, &cifs_tcp_ses_list) { | |
348 | server = list_entry(tmp1, struct TCP_Server_Info, | |
349 | tcp_ses_list); | |
350 | list_for_each(tmp2, &server->smb_ses_list) { | |
351 | ses = list_entry(tmp2, struct cifsSesInfo, | |
352 | smb_ses_list); | |
353 | list_for_each(tmp3, &ses->tcon_list) { | |
354 | tcon = list_entry(tmp3, | |
355 | struct cifsTconInfo, | |
356 | tcon_list); | |
357 | i++; | |
358 | seq_printf(m, "\n%d) %s", i, tcon->treeName); | |
359 | if (tcon->need_reconnect) | |
360 | seq_puts(m, "\tDISCONNECTED "); | |
361 | seq_printf(m, "\nSMBs: %d Oplock Breaks: %d", | |
362 | atomic_read(&tcon->num_smbs_sent), | |
363 | atomic_read(&tcon->num_oplock_brks)); | |
364 | seq_printf(m, "\nReads: %d Bytes: %lld", | |
365 | atomic_read(&tcon->num_reads), | |
366 | (long long)(tcon->bytes_read)); | |
367 | seq_printf(m, "\nWrites: %d Bytes: %lld", | |
368 | atomic_read(&tcon->num_writes), | |
369 | (long long)(tcon->bytes_written)); | |
b298f223 SF |
370 | seq_printf(m, "\nFlushes: %d", |
371 | atomic_read(&tcon->num_flushes)); | |
f1987b44 JL |
372 | seq_printf(m, "\nLocks: %d HardLinks: %d " |
373 | "Symlinks: %d", | |
374 | atomic_read(&tcon->num_locks), | |
375 | atomic_read(&tcon->num_hardlinks), | |
376 | atomic_read(&tcon->num_symlinks)); | |
65bc98b0 | 377 | seq_printf(m, "\nOpens: %d Closes: %d " |
f1987b44 JL |
378 | "Deletes: %d", |
379 | atomic_read(&tcon->num_opens), | |
380 | atomic_read(&tcon->num_closes), | |
381 | atomic_read(&tcon->num_deletes)); | |
65bc98b0 SF |
382 | seq_printf(m, "\nPosix Opens: %d " |
383 | "Posix Mkdirs: %d", | |
384 | atomic_read(&tcon->num_posixopens), | |
385 | atomic_read(&tcon->num_posixmkdirs)); | |
f1987b44 JL |
386 | seq_printf(m, "\nMkdirs: %d Rmdirs: %d", |
387 | atomic_read(&tcon->num_mkdirs), | |
388 | atomic_read(&tcon->num_rmdirs)); | |
389 | seq_printf(m, "\nRenames: %d T2 Renames %d", | |
390 | atomic_read(&tcon->num_renames), | |
391 | atomic_read(&tcon->num_t2renames)); | |
392 | seq_printf(m, "\nFindFirst: %d FNext %d " | |
393 | "FClose %d", | |
394 | atomic_read(&tcon->num_ffirst), | |
395 | atomic_read(&tcon->num_fnext), | |
396 | atomic_read(&tcon->num_fclose)); | |
397 | } | |
398 | } | |
1da177e4 | 399 | } |
f1987b44 | 400 | read_unlock(&cifs_tcp_ses_lock); |
1da177e4 | 401 | |
f984c7b9 AD |
402 | seq_putc(m, '\n'); |
403 | return 0; | |
404 | } | |
221601c3 | 405 | |
f984c7b9 AD |
406 | static int cifs_stats_proc_open(struct inode *inode, struct file *file) |
407 | { | |
408 | return single_open(file, cifs_stats_proc_show, NULL); | |
1da177e4 | 409 | } |
f984c7b9 AD |
410 | |
411 | static const struct file_operations cifs_stats_proc_fops = { | |
412 | .owner = THIS_MODULE, | |
413 | .open = cifs_stats_proc_open, | |
414 | .read = seq_read, | |
415 | .llseek = seq_lseek, | |
416 | .release = single_release, | |
417 | .write = cifs_stats_proc_write, | |
418 | }; | |
90c81e0b | 419 | #endif /* STATS */ |
1da177e4 LT |
420 | |
421 | static struct proc_dir_entry *proc_fs_cifs; | |
f984c7b9 AD |
422 | static const struct file_operations cifsFYI_proc_fops; |
423 | static const struct file_operations cifs_oplock_proc_fops; | |
424 | static const struct file_operations cifs_lookup_cache_proc_fops; | |
425 | static const struct file_operations traceSMB_proc_fops; | |
426 | static const struct file_operations cifs_multiuser_mount_proc_fops; | |
427 | static const struct file_operations cifs_security_flags_proc_fops; | |
428 | static const struct file_operations cifs_experimental_proc_fops; | |
429 | static const struct file_operations cifs_linux_ext_proc_fops; | |
1da177e4 LT |
430 | |
431 | void | |
432 | cifs_proc_init(void) | |
433 | { | |
36a5aeb8 | 434 | proc_fs_cifs = proc_mkdir("fs/cifs", NULL); |
1da177e4 LT |
435 | if (proc_fs_cifs == NULL) |
436 | return; | |
437 | ||
f984c7b9 | 438 | proc_create("DebugData", 0, proc_fs_cifs, &cifs_debug_data_proc_fops); |
1da177e4 LT |
439 | |
440 | #ifdef CONFIG_CIFS_STATS | |
f984c7b9 | 441 | proc_create("Stats", 0, proc_fs_cifs, &cifs_stats_proc_fops); |
90c81e0b | 442 | #endif /* STATS */ |
f984c7b9 AD |
443 | proc_create("cifsFYI", 0, proc_fs_cifs, &cifsFYI_proc_fops); |
444 | proc_create("traceSMB", 0, proc_fs_cifs, &traceSMB_proc_fops); | |
445 | proc_create("OplockEnabled", 0, proc_fs_cifs, &cifs_oplock_proc_fops); | |
99b1f5b2 SF |
446 | proc_create("Experimental", 0, proc_fs_cifs, |
447 | &cifs_experimental_proc_fops); | |
448 | proc_create("LinuxExtensionsEnabled", 0, proc_fs_cifs, | |
449 | &cifs_linux_ext_proc_fops); | |
450 | proc_create("MultiuserMount", 0, proc_fs_cifs, | |
451 | &cifs_multiuser_mount_proc_fops); | |
452 | proc_create("SecurityFlags", 0, proc_fs_cifs, | |
453 | &cifs_security_flags_proc_fops); | |
454 | proc_create("LookupCacheEnabled", 0, proc_fs_cifs, | |
455 | &cifs_lookup_cache_proc_fops); | |
1da177e4 LT |
456 | } |
457 | ||
458 | void | |
459 | cifs_proc_clean(void) | |
460 | { | |
461 | if (proc_fs_cifs == NULL) | |
462 | return; | |
463 | ||
464 | remove_proc_entry("DebugData", proc_fs_cifs); | |
465 | remove_proc_entry("cifsFYI", proc_fs_cifs); | |
466 | remove_proc_entry("traceSMB", proc_fs_cifs); | |
467 | #ifdef CONFIG_CIFS_STATS | |
468 | remove_proc_entry("Stats", proc_fs_cifs); | |
469 | #endif | |
470 | remove_proc_entry("MultiuserMount", proc_fs_cifs); | |
471 | remove_proc_entry("OplockEnabled", proc_fs_cifs); | |
221601c3 | 472 | remove_proc_entry("SecurityFlags", proc_fs_cifs); |
221601c3 SF |
473 | remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs); |
474 | remove_proc_entry("Experimental", proc_fs_cifs); | |
475 | remove_proc_entry("LookupCacheEnabled", proc_fs_cifs); | |
36a5aeb8 | 476 | remove_proc_entry("fs/cifs", NULL); |
1da177e4 LT |
477 | } |
478 | ||
f984c7b9 | 479 | static int cifsFYI_proc_show(struct seq_file *m, void *v) |
1da177e4 | 480 | { |
f984c7b9 AD |
481 | seq_printf(m, "%d\n", cifsFYI); |
482 | return 0; | |
483 | } | |
1da177e4 | 484 | |
f984c7b9 AD |
485 | static int cifsFYI_proc_open(struct inode *inode, struct file *file) |
486 | { | |
487 | return single_open(file, cifsFYI_proc_show, NULL); | |
1da177e4 | 488 | } |
f984c7b9 AD |
489 | |
490 | static ssize_t cifsFYI_proc_write(struct file *file, const char __user *buffer, | |
491 | size_t count, loff_t *ppos) | |
1da177e4 LT |
492 | { |
493 | char c; | |
494 | int rc; | |
495 | ||
496 | rc = get_user(c, buffer); | |
497 | if (rc) | |
498 | return rc; | |
499 | if (c == '0' || c == 'n' || c == 'N') | |
500 | cifsFYI = 0; | |
501 | else if (c == '1' || c == 'y' || c == 'Y') | |
502 | cifsFYI = 1; | |
221601c3 | 503 | else if ((c > '1') && (c <= '9')) |
1047abc1 | 504 | cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */ |
1da177e4 LT |
505 | |
506 | return count; | |
507 | } | |
508 | ||
f984c7b9 AD |
509 | static const struct file_operations cifsFYI_proc_fops = { |
510 | .owner = THIS_MODULE, | |
511 | .open = cifsFYI_proc_open, | |
512 | .read = seq_read, | |
513 | .llseek = seq_lseek, | |
514 | .release = single_release, | |
515 | .write = cifsFYI_proc_write, | |
516 | }; | |
1da177e4 | 517 | |
f984c7b9 AD |
518 | static int cifs_oplock_proc_show(struct seq_file *m, void *v) |
519 | { | |
520 | seq_printf(m, "%d\n", oplockEnabled); | |
521 | return 0; | |
522 | } | |
1da177e4 | 523 | |
f984c7b9 AD |
524 | static int cifs_oplock_proc_open(struct inode *inode, struct file *file) |
525 | { | |
526 | return single_open(file, cifs_oplock_proc_show, NULL); | |
1da177e4 | 527 | } |
f984c7b9 AD |
528 | |
529 | static ssize_t cifs_oplock_proc_write(struct file *file, | |
530 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 LT |
531 | { |
532 | char c; | |
533 | int rc; | |
534 | ||
535 | rc = get_user(c, buffer); | |
536 | if (rc) | |
537 | return rc; | |
538 | if (c == '0' || c == 'n' || c == 'N') | |
539 | oplockEnabled = 0; | |
540 | else if (c == '1' || c == 'y' || c == 'Y') | |
541 | oplockEnabled = 1; | |
542 | ||
543 | return count; | |
544 | } | |
545 | ||
f984c7b9 AD |
546 | static const struct file_operations cifs_oplock_proc_fops = { |
547 | .owner = THIS_MODULE, | |
548 | .open = cifs_oplock_proc_open, | |
549 | .read = seq_read, | |
550 | .llseek = seq_lseek, | |
551 | .release = single_release, | |
552 | .write = cifs_oplock_proc_write, | |
553 | }; | |
1da177e4 | 554 | |
f984c7b9 AD |
555 | static int cifs_experimental_proc_show(struct seq_file *m, void *v) |
556 | { | |
557 | seq_printf(m, "%d\n", experimEnabled); | |
558 | return 0; | |
559 | } | |
1da177e4 | 560 | |
f984c7b9 AD |
561 | static int cifs_experimental_proc_open(struct inode *inode, struct file *file) |
562 | { | |
563 | return single_open(file, cifs_experimental_proc_show, NULL); | |
1da177e4 | 564 | } |
f984c7b9 AD |
565 | |
566 | static ssize_t cifs_experimental_proc_write(struct file *file, | |
567 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 | 568 | { |
ec637e3f SF |
569 | char c; |
570 | int rc; | |
1da177e4 | 571 | |
ec637e3f SF |
572 | rc = get_user(c, buffer); |
573 | if (rc) | |
574 | return rc; | |
575 | if (c == '0' || c == 'n' || c == 'N') | |
576 | experimEnabled = 0; | |
577 | else if (c == '1' || c == 'y' || c == 'Y') | |
578 | experimEnabled = 1; | |
579 | else if (c == '2') | |
580 | experimEnabled = 2; | |
1da177e4 | 581 | |
ec637e3f | 582 | return count; |
1da177e4 LT |
583 | } |
584 | ||
f984c7b9 AD |
585 | static const struct file_operations cifs_experimental_proc_fops = { |
586 | .owner = THIS_MODULE, | |
587 | .open = cifs_experimental_proc_open, | |
588 | .read = seq_read, | |
589 | .llseek = seq_lseek, | |
590 | .release = single_release, | |
591 | .write = cifs_experimental_proc_write, | |
592 | }; | |
1da177e4 | 593 | |
f984c7b9 AD |
594 | static int cifs_linux_ext_proc_show(struct seq_file *m, void *v) |
595 | { | |
596 | seq_printf(m, "%d\n", linuxExtEnabled); | |
597 | return 0; | |
598 | } | |
1da177e4 | 599 | |
f984c7b9 AD |
600 | static int cifs_linux_ext_proc_open(struct inode *inode, struct file *file) |
601 | { | |
602 | return single_open(file, cifs_linux_ext_proc_show, NULL); | |
1da177e4 | 603 | } |
f984c7b9 AD |
604 | |
605 | static ssize_t cifs_linux_ext_proc_write(struct file *file, | |
606 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 | 607 | { |
221601c3 SF |
608 | char c; |
609 | int rc; | |
610 | ||
611 | rc = get_user(c, buffer); | |
612 | if (rc) | |
613 | return rc; | |
614 | if (c == '0' || c == 'n' || c == 'N') | |
615 | linuxExtEnabled = 0; | |
616 | else if (c == '1' || c == 'y' || c == 'Y') | |
617 | linuxExtEnabled = 1; | |
618 | ||
619 | return count; | |
1da177e4 LT |
620 | } |
621 | ||
f984c7b9 AD |
622 | static const struct file_operations cifs_linux_ext_proc_fops = { |
623 | .owner = THIS_MODULE, | |
624 | .open = cifs_linux_ext_proc_open, | |
625 | .read = seq_read, | |
626 | .llseek = seq_lseek, | |
627 | .release = single_release, | |
628 | .write = cifs_linux_ext_proc_write, | |
629 | }; | |
1da177e4 | 630 | |
f984c7b9 | 631 | static int cifs_lookup_cache_proc_show(struct seq_file *m, void *v) |
1da177e4 | 632 | { |
f984c7b9 AD |
633 | seq_printf(m, "%d\n", lookupCacheEnabled); |
634 | return 0; | |
635 | } | |
1da177e4 | 636 | |
f984c7b9 AD |
637 | static int cifs_lookup_cache_proc_open(struct inode *inode, struct file *file) |
638 | { | |
639 | return single_open(file, cifs_lookup_cache_proc_show, NULL); | |
1da177e4 | 640 | } |
f984c7b9 AD |
641 | |
642 | static ssize_t cifs_lookup_cache_proc_write(struct file *file, | |
643 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 LT |
644 | { |
645 | char c; | |
646 | int rc; | |
647 | ||
648 | rc = get_user(c, buffer); | |
649 | if (rc) | |
650 | return rc; | |
651 | if (c == '0' || c == 'n' || c == 'N') | |
652 | lookupCacheEnabled = 0; | |
653 | else if (c == '1' || c == 'y' || c == 'Y') | |
654 | lookupCacheEnabled = 1; | |
655 | ||
656 | return count; | |
657 | } | |
1da177e4 | 658 | |
f984c7b9 AD |
659 | static const struct file_operations cifs_lookup_cache_proc_fops = { |
660 | .owner = THIS_MODULE, | |
661 | .open = cifs_lookup_cache_proc_open, | |
662 | .read = seq_read, | |
663 | .llseek = seq_lseek, | |
664 | .release = single_release, | |
665 | .write = cifs_lookup_cache_proc_write, | |
666 | }; | |
1da177e4 | 667 | |
f984c7b9 AD |
668 | static int traceSMB_proc_show(struct seq_file *m, void *v) |
669 | { | |
670 | seq_printf(m, "%d\n", traceSMB); | |
671 | return 0; | |
672 | } | |
1da177e4 | 673 | |
f984c7b9 AD |
674 | static int traceSMB_proc_open(struct inode *inode, struct file *file) |
675 | { | |
676 | return single_open(file, traceSMB_proc_show, NULL); | |
1da177e4 | 677 | } |
f984c7b9 AD |
678 | |
679 | static ssize_t traceSMB_proc_write(struct file *file, const char __user *buffer, | |
680 | size_t count, loff_t *ppos) | |
1da177e4 LT |
681 | { |
682 | char c; | |
683 | int rc; | |
684 | ||
685 | rc = get_user(c, buffer); | |
686 | if (rc) | |
687 | return rc; | |
688 | if (c == '0' || c == 'n' || c == 'N') | |
689 | traceSMB = 0; | |
690 | else if (c == '1' || c == 'y' || c == 'Y') | |
691 | traceSMB = 1; | |
692 | ||
693 | return count; | |
694 | } | |
695 | ||
f984c7b9 AD |
696 | static const struct file_operations traceSMB_proc_fops = { |
697 | .owner = THIS_MODULE, | |
698 | .open = traceSMB_proc_open, | |
699 | .read = seq_read, | |
700 | .llseek = seq_lseek, | |
701 | .release = single_release, | |
702 | .write = traceSMB_proc_write, | |
703 | }; | |
1da177e4 | 704 | |
f984c7b9 AD |
705 | static int cifs_multiuser_mount_proc_show(struct seq_file *m, void *v) |
706 | { | |
707 | seq_printf(m, "%d\n", multiuser_mount); | |
708 | return 0; | |
709 | } | |
1da177e4 | 710 | |
99b1f5b2 | 711 | static int cifs_multiuser_mount_proc_open(struct inode *inode, struct file *fh) |
f984c7b9 | 712 | { |
99b1f5b2 | 713 | return single_open(fh, cifs_multiuser_mount_proc_show, NULL); |
1da177e4 | 714 | } |
f984c7b9 AD |
715 | |
716 | static ssize_t cifs_multiuser_mount_proc_write(struct file *file, | |
717 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 LT |
718 | { |
719 | char c; | |
720 | int rc; | |
721 | ||
722 | rc = get_user(c, buffer); | |
723 | if (rc) | |
724 | return rc; | |
725 | if (c == '0' || c == 'n' || c == 'N') | |
726 | multiuser_mount = 0; | |
727 | else if (c == '1' || c == 'y' || c == 'Y') | |
728 | multiuser_mount = 1; | |
729 | ||
730 | return count; | |
731 | } | |
732 | ||
f984c7b9 AD |
733 | static const struct file_operations cifs_multiuser_mount_proc_fops = { |
734 | .owner = THIS_MODULE, | |
735 | .open = cifs_multiuser_mount_proc_open, | |
736 | .read = seq_read, | |
737 | .llseek = seq_lseek, | |
738 | .release = single_release, | |
739 | .write = cifs_multiuser_mount_proc_write, | |
740 | }; | |
1da177e4 | 741 | |
f984c7b9 AD |
742 | static int cifs_security_flags_proc_show(struct seq_file *m, void *v) |
743 | { | |
04912d6a | 744 | seq_printf(m, "0x%x\n", global_secflags); |
f984c7b9 AD |
745 | return 0; |
746 | } | |
1da177e4 | 747 | |
f984c7b9 AD |
748 | static int cifs_security_flags_proc_open(struct inode *inode, struct file *file) |
749 | { | |
750 | return single_open(file, cifs_security_flags_proc_show, NULL); | |
1da177e4 | 751 | } |
f984c7b9 AD |
752 | |
753 | static ssize_t cifs_security_flags_proc_write(struct file *file, | |
754 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 | 755 | { |
bdc4bf6e SF |
756 | unsigned int flags; |
757 | char flags_string[12]; | |
1da177e4 | 758 | char c; |
bdc4bf6e | 759 | |
221601c3 | 760 | if ((count < 1) || (count > 11)) |
3979877e | 761 | return -EINVAL; |
1da177e4 | 762 | |
bdc4bf6e | 763 | memset(flags_string, 0, 12); |
3979877e | 764 | |
221601c3 | 765 | if (copy_from_user(flags_string, buffer, count)) |
bdc4bf6e | 766 | return -EFAULT; |
3979877e | 767 | |
221601c3 | 768 | if (count < 3) { |
bdc4bf6e SF |
769 | /* single char or single char followed by null */ |
770 | c = flags_string[0]; | |
a013689d | 771 | if (c == '0' || c == 'n' || c == 'N') { |
04912d6a | 772 | global_secflags = CIFSSEC_DEF; /* default */ |
a013689d SF |
773 | return count; |
774 | } else if (c == '1' || c == 'y' || c == 'Y') { | |
04912d6a | 775 | global_secflags = CIFSSEC_MAX; |
a013689d SF |
776 | return count; |
777 | } else if (!isdigit(c)) { | |
b6b38f70 | 778 | cERROR(1, "invalid flag %c", c); |
a013689d SF |
779 | return -EINVAL; |
780 | } | |
bdc4bf6e SF |
781 | } |
782 | /* else we have a number */ | |
783 | ||
784 | flags = simple_strtoul(flags_string, NULL, 0); | |
785 | ||
b6b38f70 | 786 | cFYI(1, "sec flags 0x%x", flags); |
bdc4bf6e | 787 | |
221601c3 | 788 | if (flags <= 0) { |
b6b38f70 | 789 | cERROR(1, "invalid security flags %s", flags_string); |
bdc4bf6e SF |
790 | return -EINVAL; |
791 | } | |
1da177e4 | 792 | |
221601c3 | 793 | if (flags & ~CIFSSEC_MASK) { |
b6b38f70 JP |
794 | cERROR(1, "attempt to set unsupported security flags 0x%x", |
795 | flags & ~CIFSSEC_MASK); | |
bdc4bf6e SF |
796 | return -EINVAL; |
797 | } | |
798 | /* flags look ok - update the global security flags for cifs module */ | |
04912d6a JL |
799 | global_secflags = flags; |
800 | if (global_secflags & CIFSSEC_MUST_SIGN) { | |
762e5ab7 | 801 | /* requiring signing implies signing is allowed */ |
04912d6a | 802 | global_secflags |= CIFSSEC_MAY_SIGN; |
b6b38f70 | 803 | cFYI(1, "packet signing now required"); |
04912d6a | 804 | } else if ((global_secflags & CIFSSEC_MAY_SIGN) == 0) { |
b6b38f70 | 805 | cFYI(1, "packet signing disabled"); |
762e5ab7 SF |
806 | } |
807 | /* BB should we turn on MAY flags for other MUST options? */ | |
1da177e4 LT |
808 | return count; |
809 | } | |
f984c7b9 AD |
810 | |
811 | static const struct file_operations cifs_security_flags_proc_fops = { | |
812 | .owner = THIS_MODULE, | |
813 | .open = cifs_security_flags_proc_open, | |
814 | .read = seq_read, | |
815 | .llseek = seq_lseek, | |
816 | .release = single_release, | |
817 | .write = cifs_security_flags_proc_write, | |
818 | }; | |
90c81e0b | 819 | #else |
e086fcea | 820 | inline void cifs_proc_init(void) |
90c81e0b SF |
821 | { |
822 | } | |
823 | ||
e086fcea | 824 | inline void cifs_proc_clean(void) |
90c81e0b SF |
825 | { |
826 | } | |
827 | #endif /* PROC_FS */ |