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 | 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 AD |
121 | seq_printf(m, "CIFS Version %s\n", CIFS_VERSION); |
122 | seq_printf(m, "Active VFS Requests: %d\n", GlobalTotalActiveXid); | |
123 | seq_printf(m, "Servers:"); | |
1da177e4 LT |
124 | |
125 | i = 0; | |
14fbf50d | 126 | read_lock(&cifs_tcp_ses_lock); |
f1987b44 JL |
127 | list_for_each(tmp1, &cifs_tcp_ses_list) { |
128 | server = list_entry(tmp1, struct TCP_Server_Info, | |
14fbf50d | 129 | tcp_ses_list); |
1da177e4 | 130 | i++; |
14fbf50d JL |
131 | list_for_each(tmp2, &server->smb_ses_list) { |
132 | ses = list_entry(tmp2, struct cifsSesInfo, | |
133 | smb_ses_list); | |
134 | if ((ses->serverDomain == NULL) || | |
135 | (ses->serverOS == NULL) || | |
136 | (ses->serverNOS == NULL)) { | |
f1987b44 JL |
137 | seq_printf(m, "\n%d) entry for %s not fully " |
138 | "displayed\n\t", i, ses->serverName); | |
14fbf50d JL |
139 | } else { |
140 | seq_printf(m, | |
f1987b44 JL |
141 | "\n%d) Name: %s Domain: %s Uses: %d OS:" |
142 | " %s\n\tNOS: %s\tCapability: 0x%x\n\tSMB" | |
221601c3 | 143 | " session status: %d\t", |
b8643e1b | 144 | i, ses->serverName, ses->serverDomain, |
14fbf50d | 145 | ses->ses_count, ses->serverOS, ses->serverNOS, |
221601c3 | 146 | ses->capabilities, ses->status); |
14fbf50d | 147 | } |
f984c7b9 | 148 | seq_printf(m, "TCP status: %d\n\tLocal Users To " |
14fbf50d JL |
149 | "Server: %d SecMode: 0x%x Req On Wire: %d", |
150 | server->tcpStatus, server->srv_count, | |
151 | server->secMode, | |
152 | atomic_read(&server->inFlight)); | |
131afd0b SF |
153 | |
154 | #ifdef CONFIG_CIFS_STATS2 | |
f984c7b9 | 155 | seq_printf(m, " In Send: %d In MaxReq Wait: %d", |
14fbf50d JL |
156 | atomic_read(&server->inSend), |
157 | atomic_read(&server->num_waiters)); | |
131afd0b SF |
158 | #endif |
159 | ||
f1987b44 JL |
160 | seq_puts(m, "\n\tShares:"); |
161 | j = 0; | |
162 | list_for_each(tmp3, &ses->tcon_list) { | |
163 | tcon = list_entry(tmp3, struct cifsTconInfo, | |
164 | tcon_list); | |
165 | ++j; | |
166 | dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType); | |
167 | seq_printf(m, "\n\t%d) %s Mounts: %d ", j, | |
168 | tcon->treeName, tcon->tc_count); | |
169 | if (tcon->nativeFileSystem) { | |
170 | seq_printf(m, "Type: %s ", | |
171 | tcon->nativeFileSystem); | |
172 | } | |
173 | seq_printf(m, "DevInfo: 0x%x Attributes: 0x%x" | |
174 | "\nPathComponentMax: %d Status: 0x%d", | |
175 | le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics), | |
176 | le32_to_cpu(tcon->fsAttrInfo.Attributes), | |
177 | le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength), | |
178 | tcon->tidStatus); | |
179 | if (dev_type == FILE_DEVICE_DISK) | |
180 | seq_puts(m, " type: DISK "); | |
181 | else if (dev_type == FILE_DEVICE_CD_ROM) | |
182 | seq_puts(m, " type: CDROM "); | |
183 | else | |
184 | seq_printf(m, " type: %d ", dev_type); | |
185 | ||
186 | if (tcon->need_reconnect) | |
187 | seq_puts(m, "\tDISCONNECTED "); | |
188 | seq_putc(m, '\n'); | |
189 | } | |
190 | ||
191 | seq_puts(m, "\n\tMIDs:\n"); | |
1da177e4 LT |
192 | |
193 | spin_lock(&GlobalMid_Lock); | |
14fbf50d | 194 | list_for_each(tmp3, &server->pending_mid_q) { |
f1987b44 | 195 | mid_entry = list_entry(tmp3, struct mid_q_entry, |
1da177e4 | 196 | qhead); |
f1987b44 | 197 | seq_printf(m, "\tState: %d com: %d pid:" |
ad8b15f0 SF |
198 | " %d tsk: %p mid %d\n", |
199 | mid_entry->midState, | |
200 | (int)mid_entry->command, | |
201 | mid_entry->pid, | |
202 | mid_entry->tsk, | |
203 | mid_entry->mid); | |
1da177e4 | 204 | } |
221601c3 | 205 | spin_unlock(&GlobalMid_Lock); |
1da177e4 | 206 | } |
1da177e4 | 207 | } |
14fbf50d | 208 | read_unlock(&cifs_tcp_ses_lock); |
f984c7b9 | 209 | seq_putc(m, '\n'); |
1da177e4 | 210 | |
1da177e4 | 211 | /* BB add code to dump additional info such as TCP session info now */ |
f984c7b9 AD |
212 | return 0; |
213 | } | |
1da177e4 | 214 | |
f984c7b9 AD |
215 | static int cifs_debug_data_proc_open(struct inode *inode, struct file *file) |
216 | { | |
217 | return single_open(file, cifs_debug_data_proc_show, NULL); | |
1da177e4 LT |
218 | } |
219 | ||
f984c7b9 AD |
220 | static const struct file_operations cifs_debug_data_proc_fops = { |
221 | .owner = THIS_MODULE, | |
222 | .open = cifs_debug_data_proc_open, | |
223 | .read = seq_read, | |
224 | .llseek = seq_lseek, | |
225 | .release = single_release, | |
226 | }; | |
1047abc1 | 227 | |
f984c7b9 AD |
228 | #ifdef CONFIG_CIFS_STATS |
229 | static ssize_t cifs_stats_proc_write(struct file *file, | |
230 | const char __user *buffer, size_t count, loff_t *ppos) | |
1047abc1 | 231 | { |
221601c3 SF |
232 | char c; |
233 | int rc; | |
f1987b44 JL |
234 | struct list_head *tmp1, *tmp2, *tmp3; |
235 | struct TCP_Server_Info *server; | |
236 | struct cifsSesInfo *ses; | |
1047abc1 SF |
237 | struct cifsTconInfo *tcon; |
238 | ||
221601c3 SF |
239 | rc = get_user(c, buffer); |
240 | if (rc) | |
241 | return rc; | |
1047abc1 | 242 | |
221601c3 | 243 | if (c == '1' || c == 'y' || c == 'Y' || c == '0') { |
4498eed5 SF |
244 | #ifdef CONFIG_CIFS_STATS2 |
245 | atomic_set(&totBufAllocCount, 0); | |
246 | atomic_set(&totSmBufAllocCount, 0); | |
247 | #endif /* CONFIG_CIFS_STATS2 */ | |
f1987b44 JL |
248 | read_lock(&cifs_tcp_ses_lock); |
249 | list_for_each(tmp1, &cifs_tcp_ses_list) { | |
250 | server = list_entry(tmp1, struct TCP_Server_Info, | |
251 | tcp_ses_list); | |
c2b3382c | 252 | list_for_each(tmp2, &server->smb_ses_list) { |
f1987b44 | 253 | ses = list_entry(tmp2, struct cifsSesInfo, |
c2b3382c | 254 | smb_ses_list); |
f1987b44 JL |
255 | list_for_each(tmp3, &ses->tcon_list) { |
256 | tcon = list_entry(tmp3, | |
257 | struct cifsTconInfo, | |
258 | tcon_list); | |
259 | atomic_set(&tcon->num_smbs_sent, 0); | |
260 | atomic_set(&tcon->num_writes, 0); | |
261 | atomic_set(&tcon->num_reads, 0); | |
262 | atomic_set(&tcon->num_oplock_brks, 0); | |
263 | atomic_set(&tcon->num_opens, 0); | |
264 | atomic_set(&tcon->num_closes, 0); | |
265 | atomic_set(&tcon->num_deletes, 0); | |
266 | atomic_set(&tcon->num_mkdirs, 0); | |
267 | atomic_set(&tcon->num_rmdirs, 0); | |
268 | atomic_set(&tcon->num_renames, 0); | |
269 | atomic_set(&tcon->num_t2renames, 0); | |
270 | atomic_set(&tcon->num_ffirst, 0); | |
271 | atomic_set(&tcon->num_fnext, 0); | |
272 | atomic_set(&tcon->num_fclose, 0); | |
273 | atomic_set(&tcon->num_hardlinks, 0); | |
274 | atomic_set(&tcon->num_symlinks, 0); | |
275 | atomic_set(&tcon->num_locks, 0); | |
276 | } | |
277 | } | |
1047abc1 | 278 | } |
f1987b44 | 279 | read_unlock(&cifs_tcp_ses_lock); |
1047abc1 SF |
280 | } |
281 | ||
221601c3 | 282 | return count; |
1047abc1 SF |
283 | } |
284 | ||
f984c7b9 | 285 | static int cifs_stats_proc_show(struct seq_file *m, void *v) |
1da177e4 | 286 | { |
f984c7b9 | 287 | int i; |
f1987b44 JL |
288 | struct list_head *tmp1, *tmp2, *tmp3; |
289 | struct TCP_Server_Info *server; | |
290 | struct cifsSesInfo *ses; | |
1da177e4 LT |
291 | struct cifsTconInfo *tcon; |
292 | ||
f984c7b9 | 293 | seq_printf(m, |
1da177e4 LT |
294 | "Resources in use\nCIFS Session: %d\n", |
295 | sesInfoAllocCount.counter); | |
f984c7b9 | 296 | seq_printf(m, "Share (unique mount targets): %d\n", |
1da177e4 | 297 | tconInfoAllocCount.counter); |
f984c7b9 | 298 | seq_printf(m, "SMB Request/Response Buffer: %d Pool size: %d\n", |
b8643e1b SF |
299 | bufAllocCount.counter, |
300 | cifs_min_rcv + tcpSesAllocCount.counter); | |
f984c7b9 | 301 | seq_printf(m, "SMB Small Req/Resp Buffer: %d Pool size: %d\n", |
221601c3 | 302 | smBufAllocCount.counter, cifs_min_small); |
07475ffb | 303 | #ifdef CONFIG_CIFS_STATS2 |
f984c7b9 | 304 | seq_printf(m, "Total Large %d Small %d Allocations\n", |
07475ffb | 305 | atomic_read(&totBufAllocCount), |
221601c3 | 306 | atomic_read(&totSmBufAllocCount)); |
07475ffb SF |
307 | #endif /* CONFIG_CIFS_STATS2 */ |
308 | ||
f984c7b9 AD |
309 | seq_printf(m, "Operations (MIDs): %d\n", midCount.counter); |
310 | seq_printf(m, | |
1da177e4 | 311 | "\n%d session %d share reconnects\n", |
221601c3 | 312 | tcpSesReconnectCount.counter, tconInfoReconnectCount.counter); |
1da177e4 | 313 | |
f984c7b9 | 314 | seq_printf(m, |
1da177e4 | 315 | "Total vfs operations: %d maximum at one time: %d\n", |
221601c3 | 316 | GlobalCurrentXid, GlobalMaxActiveXid); |
1da177e4 LT |
317 | |
318 | i = 0; | |
f1987b44 JL |
319 | read_lock(&cifs_tcp_ses_lock); |
320 | list_for_each(tmp1, &cifs_tcp_ses_list) { | |
321 | server = list_entry(tmp1, struct TCP_Server_Info, | |
322 | tcp_ses_list); | |
323 | list_for_each(tmp2, &server->smb_ses_list) { | |
324 | ses = list_entry(tmp2, struct cifsSesInfo, | |
325 | smb_ses_list); | |
326 | list_for_each(tmp3, &ses->tcon_list) { | |
327 | tcon = list_entry(tmp3, | |
328 | struct cifsTconInfo, | |
329 | tcon_list); | |
330 | i++; | |
331 | seq_printf(m, "\n%d) %s", i, tcon->treeName); | |
332 | if (tcon->need_reconnect) | |
333 | seq_puts(m, "\tDISCONNECTED "); | |
334 | seq_printf(m, "\nSMBs: %d Oplock Breaks: %d", | |
335 | atomic_read(&tcon->num_smbs_sent), | |
336 | atomic_read(&tcon->num_oplock_brks)); | |
337 | seq_printf(m, "\nReads: %d Bytes: %lld", | |
338 | atomic_read(&tcon->num_reads), | |
339 | (long long)(tcon->bytes_read)); | |
340 | seq_printf(m, "\nWrites: %d Bytes: %lld", | |
341 | atomic_read(&tcon->num_writes), | |
342 | (long long)(tcon->bytes_written)); | |
b298f223 SF |
343 | seq_printf(m, "\nFlushes: %d", |
344 | atomic_read(&tcon->num_flushes)); | |
f1987b44 JL |
345 | seq_printf(m, "\nLocks: %d HardLinks: %d " |
346 | "Symlinks: %d", | |
347 | atomic_read(&tcon->num_locks), | |
348 | atomic_read(&tcon->num_hardlinks), | |
349 | atomic_read(&tcon->num_symlinks)); | |
350 | seq_printf(m, "\nOpens: %d Closes: %d" | |
351 | "Deletes: %d", | |
352 | atomic_read(&tcon->num_opens), | |
353 | atomic_read(&tcon->num_closes), | |
354 | atomic_read(&tcon->num_deletes)); | |
355 | seq_printf(m, "\nMkdirs: %d Rmdirs: %d", | |
356 | atomic_read(&tcon->num_mkdirs), | |
357 | atomic_read(&tcon->num_rmdirs)); | |
358 | seq_printf(m, "\nRenames: %d T2 Renames %d", | |
359 | atomic_read(&tcon->num_renames), | |
360 | atomic_read(&tcon->num_t2renames)); | |
361 | seq_printf(m, "\nFindFirst: %d FNext %d " | |
362 | "FClose %d", | |
363 | atomic_read(&tcon->num_ffirst), | |
364 | atomic_read(&tcon->num_fnext), | |
365 | atomic_read(&tcon->num_fclose)); | |
366 | } | |
367 | } | |
1da177e4 | 368 | } |
f1987b44 | 369 | read_unlock(&cifs_tcp_ses_lock); |
1da177e4 | 370 | |
f984c7b9 AD |
371 | seq_putc(m, '\n'); |
372 | return 0; | |
373 | } | |
221601c3 | 374 | |
f984c7b9 AD |
375 | static int cifs_stats_proc_open(struct inode *inode, struct file *file) |
376 | { | |
377 | return single_open(file, cifs_stats_proc_show, NULL); | |
1da177e4 | 378 | } |
f984c7b9 AD |
379 | |
380 | static const struct file_operations cifs_stats_proc_fops = { | |
381 | .owner = THIS_MODULE, | |
382 | .open = cifs_stats_proc_open, | |
383 | .read = seq_read, | |
384 | .llseek = seq_lseek, | |
385 | .release = single_release, | |
386 | .write = cifs_stats_proc_write, | |
387 | }; | |
90c81e0b | 388 | #endif /* STATS */ |
1da177e4 LT |
389 | |
390 | static struct proc_dir_entry *proc_fs_cifs; | |
f984c7b9 AD |
391 | static const struct file_operations cifsFYI_proc_fops; |
392 | static const struct file_operations cifs_oplock_proc_fops; | |
393 | static const struct file_operations cifs_lookup_cache_proc_fops; | |
394 | static const struct file_operations traceSMB_proc_fops; | |
395 | static const struct file_operations cifs_multiuser_mount_proc_fops; | |
396 | static const struct file_operations cifs_security_flags_proc_fops; | |
397 | static const struct file_operations cifs_experimental_proc_fops; | |
398 | static const struct file_operations cifs_linux_ext_proc_fops; | |
1da177e4 LT |
399 | |
400 | void | |
401 | cifs_proc_init(void) | |
402 | { | |
36a5aeb8 | 403 | proc_fs_cifs = proc_mkdir("fs/cifs", NULL); |
1da177e4 LT |
404 | if (proc_fs_cifs == NULL) |
405 | return; | |
406 | ||
f984c7b9 | 407 | proc_create("DebugData", 0, proc_fs_cifs, &cifs_debug_data_proc_fops); |
1da177e4 LT |
408 | |
409 | #ifdef CONFIG_CIFS_STATS | |
f984c7b9 | 410 | proc_create("Stats", 0, proc_fs_cifs, &cifs_stats_proc_fops); |
90c81e0b | 411 | #endif /* STATS */ |
f984c7b9 AD |
412 | proc_create("cifsFYI", 0, proc_fs_cifs, &cifsFYI_proc_fops); |
413 | proc_create("traceSMB", 0, proc_fs_cifs, &traceSMB_proc_fops); | |
414 | proc_create("OplockEnabled", 0, proc_fs_cifs, &cifs_oplock_proc_fops); | |
99b1f5b2 SF |
415 | proc_create("Experimental", 0, proc_fs_cifs, |
416 | &cifs_experimental_proc_fops); | |
417 | proc_create("LinuxExtensionsEnabled", 0, proc_fs_cifs, | |
418 | &cifs_linux_ext_proc_fops); | |
419 | proc_create("MultiuserMount", 0, proc_fs_cifs, | |
420 | &cifs_multiuser_mount_proc_fops); | |
421 | proc_create("SecurityFlags", 0, proc_fs_cifs, | |
422 | &cifs_security_flags_proc_fops); | |
423 | proc_create("LookupCacheEnabled", 0, proc_fs_cifs, | |
424 | &cifs_lookup_cache_proc_fops); | |
1da177e4 LT |
425 | } |
426 | ||
427 | void | |
428 | cifs_proc_clean(void) | |
429 | { | |
430 | if (proc_fs_cifs == NULL) | |
431 | return; | |
432 | ||
433 | remove_proc_entry("DebugData", proc_fs_cifs); | |
434 | remove_proc_entry("cifsFYI", proc_fs_cifs); | |
435 | remove_proc_entry("traceSMB", proc_fs_cifs); | |
436 | #ifdef CONFIG_CIFS_STATS | |
437 | remove_proc_entry("Stats", proc_fs_cifs); | |
438 | #endif | |
439 | remove_proc_entry("MultiuserMount", proc_fs_cifs); | |
440 | remove_proc_entry("OplockEnabled", proc_fs_cifs); | |
221601c3 | 441 | remove_proc_entry("SecurityFlags", proc_fs_cifs); |
221601c3 SF |
442 | remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs); |
443 | remove_proc_entry("Experimental", proc_fs_cifs); | |
444 | remove_proc_entry("LookupCacheEnabled", proc_fs_cifs); | |
36a5aeb8 | 445 | remove_proc_entry("fs/cifs", NULL); |
1da177e4 LT |
446 | } |
447 | ||
f984c7b9 | 448 | static int cifsFYI_proc_show(struct seq_file *m, void *v) |
1da177e4 | 449 | { |
f984c7b9 AD |
450 | seq_printf(m, "%d\n", cifsFYI); |
451 | return 0; | |
452 | } | |
1da177e4 | 453 | |
f984c7b9 AD |
454 | static int cifsFYI_proc_open(struct inode *inode, struct file *file) |
455 | { | |
456 | return single_open(file, cifsFYI_proc_show, NULL); | |
1da177e4 | 457 | } |
f984c7b9 AD |
458 | |
459 | static ssize_t cifsFYI_proc_write(struct file *file, const char __user *buffer, | |
460 | size_t count, loff_t *ppos) | |
1da177e4 LT |
461 | { |
462 | char c; | |
463 | int rc; | |
464 | ||
465 | rc = get_user(c, buffer); | |
466 | if (rc) | |
467 | return rc; | |
468 | if (c == '0' || c == 'n' || c == 'N') | |
469 | cifsFYI = 0; | |
470 | else if (c == '1' || c == 'y' || c == 'Y') | |
471 | cifsFYI = 1; | |
221601c3 | 472 | else if ((c > '1') && (c <= '9')) |
1047abc1 | 473 | cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */ |
1da177e4 LT |
474 | |
475 | return count; | |
476 | } | |
477 | ||
f984c7b9 AD |
478 | static const struct file_operations cifsFYI_proc_fops = { |
479 | .owner = THIS_MODULE, | |
480 | .open = cifsFYI_proc_open, | |
481 | .read = seq_read, | |
482 | .llseek = seq_lseek, | |
483 | .release = single_release, | |
484 | .write = cifsFYI_proc_write, | |
485 | }; | |
1da177e4 | 486 | |
f984c7b9 AD |
487 | static int cifs_oplock_proc_show(struct seq_file *m, void *v) |
488 | { | |
489 | seq_printf(m, "%d\n", oplockEnabled); | |
490 | return 0; | |
491 | } | |
1da177e4 | 492 | |
f984c7b9 AD |
493 | static int cifs_oplock_proc_open(struct inode *inode, struct file *file) |
494 | { | |
495 | return single_open(file, cifs_oplock_proc_show, NULL); | |
1da177e4 | 496 | } |
f984c7b9 AD |
497 | |
498 | static ssize_t cifs_oplock_proc_write(struct file *file, | |
499 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 LT |
500 | { |
501 | char c; | |
502 | int rc; | |
503 | ||
504 | rc = get_user(c, buffer); | |
505 | if (rc) | |
506 | return rc; | |
507 | if (c == '0' || c == 'n' || c == 'N') | |
508 | oplockEnabled = 0; | |
509 | else if (c == '1' || c == 'y' || c == 'Y') | |
510 | oplockEnabled = 1; | |
511 | ||
512 | return count; | |
513 | } | |
514 | ||
f984c7b9 AD |
515 | static const struct file_operations cifs_oplock_proc_fops = { |
516 | .owner = THIS_MODULE, | |
517 | .open = cifs_oplock_proc_open, | |
518 | .read = seq_read, | |
519 | .llseek = seq_lseek, | |
520 | .release = single_release, | |
521 | .write = cifs_oplock_proc_write, | |
522 | }; | |
1da177e4 | 523 | |
f984c7b9 AD |
524 | static int cifs_experimental_proc_show(struct seq_file *m, void *v) |
525 | { | |
526 | seq_printf(m, "%d\n", experimEnabled); | |
527 | return 0; | |
528 | } | |
1da177e4 | 529 | |
f984c7b9 AD |
530 | static int cifs_experimental_proc_open(struct inode *inode, struct file *file) |
531 | { | |
532 | return single_open(file, cifs_experimental_proc_show, NULL); | |
1da177e4 | 533 | } |
f984c7b9 AD |
534 | |
535 | static ssize_t cifs_experimental_proc_write(struct file *file, | |
536 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 | 537 | { |
ec637e3f SF |
538 | char c; |
539 | int rc; | |
1da177e4 | 540 | |
ec637e3f SF |
541 | rc = get_user(c, buffer); |
542 | if (rc) | |
543 | return rc; | |
544 | if (c == '0' || c == 'n' || c == 'N') | |
545 | experimEnabled = 0; | |
546 | else if (c == '1' || c == 'y' || c == 'Y') | |
547 | experimEnabled = 1; | |
548 | else if (c == '2') | |
549 | experimEnabled = 2; | |
1da177e4 | 550 | |
ec637e3f | 551 | return count; |
1da177e4 LT |
552 | } |
553 | ||
f984c7b9 AD |
554 | static const struct file_operations cifs_experimental_proc_fops = { |
555 | .owner = THIS_MODULE, | |
556 | .open = cifs_experimental_proc_open, | |
557 | .read = seq_read, | |
558 | .llseek = seq_lseek, | |
559 | .release = single_release, | |
560 | .write = cifs_experimental_proc_write, | |
561 | }; | |
1da177e4 | 562 | |
f984c7b9 AD |
563 | static int cifs_linux_ext_proc_show(struct seq_file *m, void *v) |
564 | { | |
565 | seq_printf(m, "%d\n", linuxExtEnabled); | |
566 | return 0; | |
567 | } | |
1da177e4 | 568 | |
f984c7b9 AD |
569 | static int cifs_linux_ext_proc_open(struct inode *inode, struct file *file) |
570 | { | |
571 | return single_open(file, cifs_linux_ext_proc_show, NULL); | |
1da177e4 | 572 | } |
f984c7b9 AD |
573 | |
574 | static ssize_t cifs_linux_ext_proc_write(struct file *file, | |
575 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 | 576 | { |
221601c3 SF |
577 | char c; |
578 | int rc; | |
579 | ||
580 | rc = get_user(c, buffer); | |
581 | if (rc) | |
582 | return rc; | |
583 | if (c == '0' || c == 'n' || c == 'N') | |
584 | linuxExtEnabled = 0; | |
585 | else if (c == '1' || c == 'y' || c == 'Y') | |
586 | linuxExtEnabled = 1; | |
587 | ||
588 | return count; | |
1da177e4 LT |
589 | } |
590 | ||
f984c7b9 AD |
591 | static const struct file_operations cifs_linux_ext_proc_fops = { |
592 | .owner = THIS_MODULE, | |
593 | .open = cifs_linux_ext_proc_open, | |
594 | .read = seq_read, | |
595 | .llseek = seq_lseek, | |
596 | .release = single_release, | |
597 | .write = cifs_linux_ext_proc_write, | |
598 | }; | |
1da177e4 | 599 | |
f984c7b9 | 600 | static int cifs_lookup_cache_proc_show(struct seq_file *m, void *v) |
1da177e4 | 601 | { |
f984c7b9 AD |
602 | seq_printf(m, "%d\n", lookupCacheEnabled); |
603 | return 0; | |
604 | } | |
1da177e4 | 605 | |
f984c7b9 AD |
606 | static int cifs_lookup_cache_proc_open(struct inode *inode, struct file *file) |
607 | { | |
608 | return single_open(file, cifs_lookup_cache_proc_show, NULL); | |
1da177e4 | 609 | } |
f984c7b9 AD |
610 | |
611 | static ssize_t cifs_lookup_cache_proc_write(struct file *file, | |
612 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 LT |
613 | { |
614 | char c; | |
615 | int rc; | |
616 | ||
617 | rc = get_user(c, buffer); | |
618 | if (rc) | |
619 | return rc; | |
620 | if (c == '0' || c == 'n' || c == 'N') | |
621 | lookupCacheEnabled = 0; | |
622 | else if (c == '1' || c == 'y' || c == 'Y') | |
623 | lookupCacheEnabled = 1; | |
624 | ||
625 | return count; | |
626 | } | |
1da177e4 | 627 | |
f984c7b9 AD |
628 | static const struct file_operations cifs_lookup_cache_proc_fops = { |
629 | .owner = THIS_MODULE, | |
630 | .open = cifs_lookup_cache_proc_open, | |
631 | .read = seq_read, | |
632 | .llseek = seq_lseek, | |
633 | .release = single_release, | |
634 | .write = cifs_lookup_cache_proc_write, | |
635 | }; | |
1da177e4 | 636 | |
f984c7b9 AD |
637 | static int traceSMB_proc_show(struct seq_file *m, void *v) |
638 | { | |
639 | seq_printf(m, "%d\n", traceSMB); | |
640 | return 0; | |
641 | } | |
1da177e4 | 642 | |
f984c7b9 AD |
643 | static int traceSMB_proc_open(struct inode *inode, struct file *file) |
644 | { | |
645 | return single_open(file, traceSMB_proc_show, NULL); | |
1da177e4 | 646 | } |
f984c7b9 AD |
647 | |
648 | static ssize_t traceSMB_proc_write(struct file *file, const char __user *buffer, | |
649 | size_t count, loff_t *ppos) | |
1da177e4 LT |
650 | { |
651 | char c; | |
652 | int rc; | |
653 | ||
654 | rc = get_user(c, buffer); | |
655 | if (rc) | |
656 | return rc; | |
657 | if (c == '0' || c == 'n' || c == 'N') | |
658 | traceSMB = 0; | |
659 | else if (c == '1' || c == 'y' || c == 'Y') | |
660 | traceSMB = 1; | |
661 | ||
662 | return count; | |
663 | } | |
664 | ||
f984c7b9 AD |
665 | static const struct file_operations traceSMB_proc_fops = { |
666 | .owner = THIS_MODULE, | |
667 | .open = traceSMB_proc_open, | |
668 | .read = seq_read, | |
669 | .llseek = seq_lseek, | |
670 | .release = single_release, | |
671 | .write = traceSMB_proc_write, | |
672 | }; | |
1da177e4 | 673 | |
f984c7b9 AD |
674 | static int cifs_multiuser_mount_proc_show(struct seq_file *m, void *v) |
675 | { | |
676 | seq_printf(m, "%d\n", multiuser_mount); | |
677 | return 0; | |
678 | } | |
1da177e4 | 679 | |
99b1f5b2 | 680 | static int cifs_multiuser_mount_proc_open(struct inode *inode, struct file *fh) |
f984c7b9 | 681 | { |
99b1f5b2 | 682 | return single_open(fh, cifs_multiuser_mount_proc_show, NULL); |
1da177e4 | 683 | } |
f984c7b9 AD |
684 | |
685 | static ssize_t cifs_multiuser_mount_proc_write(struct file *file, | |
686 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 LT |
687 | { |
688 | char c; | |
689 | int rc; | |
690 | ||
691 | rc = get_user(c, buffer); | |
692 | if (rc) | |
693 | return rc; | |
694 | if (c == '0' || c == 'n' || c == 'N') | |
695 | multiuser_mount = 0; | |
696 | else if (c == '1' || c == 'y' || c == 'Y') | |
697 | multiuser_mount = 1; | |
698 | ||
699 | return count; | |
700 | } | |
701 | ||
f984c7b9 AD |
702 | static const struct file_operations cifs_multiuser_mount_proc_fops = { |
703 | .owner = THIS_MODULE, | |
704 | .open = cifs_multiuser_mount_proc_open, | |
705 | .read = seq_read, | |
706 | .llseek = seq_lseek, | |
707 | .release = single_release, | |
708 | .write = cifs_multiuser_mount_proc_write, | |
709 | }; | |
1da177e4 | 710 | |
f984c7b9 AD |
711 | static int cifs_security_flags_proc_show(struct seq_file *m, void *v) |
712 | { | |
713 | seq_printf(m, "0x%x\n", extended_security); | |
714 | return 0; | |
715 | } | |
1da177e4 | 716 | |
f984c7b9 AD |
717 | static int cifs_security_flags_proc_open(struct inode *inode, struct file *file) |
718 | { | |
719 | return single_open(file, cifs_security_flags_proc_show, NULL); | |
1da177e4 | 720 | } |
f984c7b9 AD |
721 | |
722 | static ssize_t cifs_security_flags_proc_write(struct file *file, | |
723 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 | 724 | { |
bdc4bf6e SF |
725 | unsigned int flags; |
726 | char flags_string[12]; | |
1da177e4 | 727 | char c; |
bdc4bf6e | 728 | |
221601c3 | 729 | if ((count < 1) || (count > 11)) |
3979877e | 730 | return -EINVAL; |
1da177e4 | 731 | |
bdc4bf6e | 732 | memset(flags_string, 0, 12); |
3979877e | 733 | |
221601c3 | 734 | if (copy_from_user(flags_string, buffer, count)) |
bdc4bf6e | 735 | return -EFAULT; |
3979877e | 736 | |
221601c3 | 737 | if (count < 3) { |
bdc4bf6e SF |
738 | /* single char or single char followed by null */ |
739 | c = flags_string[0]; | |
a013689d | 740 | if (c == '0' || c == 'n' || c == 'N') { |
bdc4bf6e | 741 | extended_security = CIFSSEC_DEF; /* default */ |
a013689d SF |
742 | return count; |
743 | } else if (c == '1' || c == 'y' || c == 'Y') { | |
bdc4bf6e | 744 | extended_security = CIFSSEC_MAX; |
a013689d SF |
745 | return count; |
746 | } else if (!isdigit(c)) { | |
747 | cERROR(1, ("invalid flag %c", c)); | |
748 | return -EINVAL; | |
749 | } | |
bdc4bf6e SF |
750 | } |
751 | /* else we have a number */ | |
752 | ||
753 | flags = simple_strtoul(flags_string, NULL, 0); | |
754 | ||
221601c3 | 755 | cFYI(1, ("sec flags 0x%x", flags)); |
bdc4bf6e | 756 | |
221601c3 SF |
757 | if (flags <= 0) { |
758 | cERROR(1, ("invalid security flags %s", flags_string)); | |
bdc4bf6e SF |
759 | return -EINVAL; |
760 | } | |
1da177e4 | 761 | |
221601c3 SF |
762 | if (flags & ~CIFSSEC_MASK) { |
763 | cERROR(1, ("attempt to set unsupported security flags 0x%x", | |
bdc4bf6e SF |
764 | flags & ~CIFSSEC_MASK)); |
765 | return -EINVAL; | |
766 | } | |
767 | /* flags look ok - update the global security flags for cifs module */ | |
768 | extended_security = flags; | |
762e5ab7 SF |
769 | if (extended_security & CIFSSEC_MUST_SIGN) { |
770 | /* requiring signing implies signing is allowed */ | |
771 | extended_security |= CIFSSEC_MAY_SIGN; | |
772 | cFYI(1, ("packet signing now required")); | |
773 | } else if ((extended_security & CIFSSEC_MAY_SIGN) == 0) { | |
774 | cFYI(1, ("packet signing disabled")); | |
775 | } | |
776 | /* BB should we turn on MAY flags for other MUST options? */ | |
1da177e4 LT |
777 | return count; |
778 | } | |
f984c7b9 AD |
779 | |
780 | static const struct file_operations cifs_security_flags_proc_fops = { | |
781 | .owner = THIS_MODULE, | |
782 | .open = cifs_security_flags_proc_open, | |
783 | .read = seq_read, | |
784 | .llseek = seq_lseek, | |
785 | .release = single_release, | |
786 | .write = cifs_security_flags_proc_write, | |
787 | }; | |
90c81e0b | 788 | #else |
e086fcea | 789 | inline void cifs_proc_init(void) |
90c81e0b SF |
790 | { |
791 | } | |
792 | ||
e086fcea | 793 | inline void cifs_proc_clean(void) |
90c81e0b SF |
794 | { |
795 | } | |
796 | #endif /* PROC_FS */ |