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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); |
ca40b714 | 122 | seq_printf(m, "Features:"); |
f579903e | 123 | #ifdef CONFIG_CIFS_DFS_UPCALL |
ca40b714 | 124 | seq_printf(m, " dfs"); |
f579903e SJ |
125 | #endif |
126 | #ifdef CONFIG_CIFS_FSCACHE | |
ca40b714 | 127 | seq_printf(m, " fscache"); |
f579903e SJ |
128 | #endif |
129 | #ifdef CONFIG_CIFS_WEAK_PW_HASH | |
ca40b714 | 130 | seq_printf(m, " lanman"); |
f579903e SJ |
131 | #endif |
132 | #ifdef CONFIG_CIFS_POSIX | |
ca40b714 | 133 | seq_printf(m, " posix"); |
f579903e SJ |
134 | #endif |
135 | #ifdef CONFIG_CIFS_UPCALL | |
ca40b714 | 136 | seq_printf(m, " spnego"); |
f579903e SJ |
137 | #endif |
138 | #ifdef CONFIG_CIFS_XATTR | |
ca40b714 JL |
139 | seq_printf(m, " xattr"); |
140 | #endif | |
141 | #ifdef CONFIG_CIFS_ACL | |
142 | seq_printf(m, " acl"); | |
f579903e SJ |
143 | #endif |
144 | seq_putc(m, '\n'); | |
f984c7b9 AD |
145 | seq_printf(m, "Active VFS Requests: %d\n", GlobalTotalActiveXid); |
146 | seq_printf(m, "Servers:"); | |
1da177e4 LT |
147 | |
148 | i = 0; | |
3f9bcca7 | 149 | spin_lock(&cifs_tcp_ses_lock); |
f1987b44 JL |
150 | list_for_each(tmp1, &cifs_tcp_ses_list) { |
151 | server = list_entry(tmp1, struct TCP_Server_Info, | |
14fbf50d | 152 | tcp_ses_list); |
1da177e4 | 153 | i++; |
14fbf50d JL |
154 | list_for_each(tmp2, &server->smb_ses_list) { |
155 | ses = list_entry(tmp2, struct cifsSesInfo, | |
156 | smb_ses_list); | |
157 | if ((ses->serverDomain == NULL) || | |
158 | (ses->serverOS == NULL) || | |
159 | (ses->serverNOS == NULL)) { | |
f1987b44 JL |
160 | seq_printf(m, "\n%d) entry for %s not fully " |
161 | "displayed\n\t", i, ses->serverName); | |
14fbf50d JL |
162 | } else { |
163 | seq_printf(m, | |
f1987b44 JL |
164 | "\n%d) Name: %s Domain: %s Uses: %d OS:" |
165 | " %s\n\tNOS: %s\tCapability: 0x%x\n\tSMB" | |
221601c3 | 166 | " session status: %d\t", |
b8643e1b | 167 | i, ses->serverName, ses->serverDomain, |
14fbf50d | 168 | ses->ses_count, ses->serverOS, ses->serverNOS, |
221601c3 | 169 | ses->capabilities, ses->status); |
14fbf50d | 170 | } |
f984c7b9 | 171 | seq_printf(m, "TCP status: %d\n\tLocal Users To " |
14fbf50d JL |
172 | "Server: %d SecMode: 0x%x Req On Wire: %d", |
173 | server->tcpStatus, server->srv_count, | |
174 | server->secMode, | |
175 | atomic_read(&server->inFlight)); | |
131afd0b SF |
176 | |
177 | #ifdef CONFIG_CIFS_STATS2 | |
f984c7b9 | 178 | seq_printf(m, " In Send: %d In MaxReq Wait: %d", |
14fbf50d JL |
179 | atomic_read(&server->inSend), |
180 | atomic_read(&server->num_waiters)); | |
131afd0b SF |
181 | #endif |
182 | ||
f1987b44 JL |
183 | seq_puts(m, "\n\tShares:"); |
184 | j = 0; | |
185 | list_for_each(tmp3, &ses->tcon_list) { | |
186 | tcon = list_entry(tmp3, struct cifsTconInfo, | |
187 | tcon_list); | |
188 | ++j; | |
189 | dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType); | |
190 | seq_printf(m, "\n\t%d) %s Mounts: %d ", j, | |
191 | tcon->treeName, tcon->tc_count); | |
192 | if (tcon->nativeFileSystem) { | |
193 | seq_printf(m, "Type: %s ", | |
194 | tcon->nativeFileSystem); | |
195 | } | |
196 | seq_printf(m, "DevInfo: 0x%x Attributes: 0x%x" | |
197 | "\nPathComponentMax: %d Status: 0x%d", | |
198 | le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics), | |
199 | le32_to_cpu(tcon->fsAttrInfo.Attributes), | |
200 | le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength), | |
201 | tcon->tidStatus); | |
202 | if (dev_type == FILE_DEVICE_DISK) | |
203 | seq_puts(m, " type: DISK "); | |
204 | else if (dev_type == FILE_DEVICE_CD_ROM) | |
205 | seq_puts(m, " type: CDROM "); | |
206 | else | |
207 | seq_printf(m, " type: %d ", dev_type); | |
208 | ||
209 | if (tcon->need_reconnect) | |
210 | seq_puts(m, "\tDISCONNECTED "); | |
211 | seq_putc(m, '\n'); | |
212 | } | |
213 | ||
214 | seq_puts(m, "\n\tMIDs:\n"); | |
1da177e4 LT |
215 | |
216 | spin_lock(&GlobalMid_Lock); | |
14fbf50d | 217 | list_for_each(tmp3, &server->pending_mid_q) { |
f1987b44 | 218 | mid_entry = list_entry(tmp3, struct mid_q_entry, |
1da177e4 | 219 | qhead); |
f1987b44 | 220 | seq_printf(m, "\tState: %d com: %d pid:" |
ad8b15f0 SF |
221 | " %d tsk: %p mid %d\n", |
222 | mid_entry->midState, | |
223 | (int)mid_entry->command, | |
224 | mid_entry->pid, | |
225 | mid_entry->tsk, | |
226 | mid_entry->mid); | |
1da177e4 | 227 | } |
221601c3 | 228 | spin_unlock(&GlobalMid_Lock); |
1da177e4 | 229 | } |
1da177e4 | 230 | } |
3f9bcca7 | 231 | spin_unlock(&cifs_tcp_ses_lock); |
f984c7b9 | 232 | seq_putc(m, '\n'); |
1da177e4 | 233 | |
1da177e4 | 234 | /* BB add code to dump additional info such as TCP session info now */ |
f984c7b9 AD |
235 | return 0; |
236 | } | |
1da177e4 | 237 | |
f984c7b9 AD |
238 | static int cifs_debug_data_proc_open(struct inode *inode, struct file *file) |
239 | { | |
240 | return single_open(file, cifs_debug_data_proc_show, NULL); | |
1da177e4 LT |
241 | } |
242 | ||
f984c7b9 AD |
243 | static const struct file_operations cifs_debug_data_proc_fops = { |
244 | .owner = THIS_MODULE, | |
245 | .open = cifs_debug_data_proc_open, | |
246 | .read = seq_read, | |
247 | .llseek = seq_lseek, | |
248 | .release = single_release, | |
249 | }; | |
1047abc1 | 250 | |
f984c7b9 AD |
251 | #ifdef CONFIG_CIFS_STATS |
252 | static ssize_t cifs_stats_proc_write(struct file *file, | |
253 | const char __user *buffer, size_t count, loff_t *ppos) | |
1047abc1 | 254 | { |
221601c3 SF |
255 | char c; |
256 | int rc; | |
f1987b44 JL |
257 | struct list_head *tmp1, *tmp2, *tmp3; |
258 | struct TCP_Server_Info *server; | |
259 | struct cifsSesInfo *ses; | |
1047abc1 SF |
260 | struct cifsTconInfo *tcon; |
261 | ||
221601c3 SF |
262 | rc = get_user(c, buffer); |
263 | if (rc) | |
264 | return rc; | |
1047abc1 | 265 | |
221601c3 | 266 | if (c == '1' || c == 'y' || c == 'Y' || c == '0') { |
4498eed5 SF |
267 | #ifdef CONFIG_CIFS_STATS2 |
268 | atomic_set(&totBufAllocCount, 0); | |
269 | atomic_set(&totSmBufAllocCount, 0); | |
270 | #endif /* CONFIG_CIFS_STATS2 */ | |
3f9bcca7 | 271 | spin_lock(&cifs_tcp_ses_lock); |
f1987b44 JL |
272 | list_for_each(tmp1, &cifs_tcp_ses_list) { |
273 | server = list_entry(tmp1, struct TCP_Server_Info, | |
274 | tcp_ses_list); | |
c2b3382c | 275 | list_for_each(tmp2, &server->smb_ses_list) { |
f1987b44 | 276 | ses = list_entry(tmp2, struct cifsSesInfo, |
c2b3382c | 277 | smb_ses_list); |
f1987b44 JL |
278 | list_for_each(tmp3, &ses->tcon_list) { |
279 | tcon = list_entry(tmp3, | |
280 | struct cifsTconInfo, | |
281 | tcon_list); | |
282 | atomic_set(&tcon->num_smbs_sent, 0); | |
283 | atomic_set(&tcon->num_writes, 0); | |
284 | atomic_set(&tcon->num_reads, 0); | |
285 | atomic_set(&tcon->num_oplock_brks, 0); | |
286 | atomic_set(&tcon->num_opens, 0); | |
65bc98b0 SF |
287 | atomic_set(&tcon->num_posixopens, 0); |
288 | atomic_set(&tcon->num_posixmkdirs, 0); | |
f1987b44 JL |
289 | atomic_set(&tcon->num_closes, 0); |
290 | atomic_set(&tcon->num_deletes, 0); | |
291 | atomic_set(&tcon->num_mkdirs, 0); | |
292 | atomic_set(&tcon->num_rmdirs, 0); | |
293 | atomic_set(&tcon->num_renames, 0); | |
294 | atomic_set(&tcon->num_t2renames, 0); | |
295 | atomic_set(&tcon->num_ffirst, 0); | |
296 | atomic_set(&tcon->num_fnext, 0); | |
297 | atomic_set(&tcon->num_fclose, 0); | |
298 | atomic_set(&tcon->num_hardlinks, 0); | |
299 | atomic_set(&tcon->num_symlinks, 0); | |
300 | atomic_set(&tcon->num_locks, 0); | |
301 | } | |
302 | } | |
1047abc1 | 303 | } |
3f9bcca7 | 304 | spin_unlock(&cifs_tcp_ses_lock); |
1047abc1 SF |
305 | } |
306 | ||
221601c3 | 307 | return count; |
1047abc1 SF |
308 | } |
309 | ||
f984c7b9 | 310 | static int cifs_stats_proc_show(struct seq_file *m, void *v) |
1da177e4 | 311 | { |
f984c7b9 | 312 | int i; |
f1987b44 JL |
313 | struct list_head *tmp1, *tmp2, *tmp3; |
314 | struct TCP_Server_Info *server; | |
315 | struct cifsSesInfo *ses; | |
1da177e4 LT |
316 | struct cifsTconInfo *tcon; |
317 | ||
f984c7b9 | 318 | seq_printf(m, |
1da177e4 LT |
319 | "Resources in use\nCIFS Session: %d\n", |
320 | sesInfoAllocCount.counter); | |
f984c7b9 | 321 | seq_printf(m, "Share (unique mount targets): %d\n", |
1da177e4 | 322 | tconInfoAllocCount.counter); |
f984c7b9 | 323 | seq_printf(m, "SMB Request/Response Buffer: %d Pool size: %d\n", |
b8643e1b SF |
324 | bufAllocCount.counter, |
325 | cifs_min_rcv + tcpSesAllocCount.counter); | |
f984c7b9 | 326 | seq_printf(m, "SMB Small Req/Resp Buffer: %d Pool size: %d\n", |
221601c3 | 327 | smBufAllocCount.counter, cifs_min_small); |
07475ffb | 328 | #ifdef CONFIG_CIFS_STATS2 |
f984c7b9 | 329 | seq_printf(m, "Total Large %d Small %d Allocations\n", |
07475ffb | 330 | atomic_read(&totBufAllocCount), |
221601c3 | 331 | atomic_read(&totSmBufAllocCount)); |
07475ffb SF |
332 | #endif /* CONFIG_CIFS_STATS2 */ |
333 | ||
f984c7b9 AD |
334 | seq_printf(m, "Operations (MIDs): %d\n", midCount.counter); |
335 | seq_printf(m, | |
1da177e4 | 336 | "\n%d session %d share reconnects\n", |
221601c3 | 337 | tcpSesReconnectCount.counter, tconInfoReconnectCount.counter); |
1da177e4 | 338 | |
f984c7b9 | 339 | seq_printf(m, |
1da177e4 | 340 | "Total vfs operations: %d maximum at one time: %d\n", |
221601c3 | 341 | GlobalCurrentXid, GlobalMaxActiveXid); |
1da177e4 LT |
342 | |
343 | i = 0; | |
3f9bcca7 | 344 | spin_lock(&cifs_tcp_ses_lock); |
f1987b44 JL |
345 | list_for_each(tmp1, &cifs_tcp_ses_list) { |
346 | server = list_entry(tmp1, struct TCP_Server_Info, | |
347 | tcp_ses_list); | |
348 | list_for_each(tmp2, &server->smb_ses_list) { | |
349 | ses = list_entry(tmp2, struct cifsSesInfo, | |
350 | smb_ses_list); | |
351 | list_for_each(tmp3, &ses->tcon_list) { | |
352 | tcon = list_entry(tmp3, | |
353 | struct cifsTconInfo, | |
354 | tcon_list); | |
355 | i++; | |
356 | seq_printf(m, "\n%d) %s", i, tcon->treeName); | |
357 | if (tcon->need_reconnect) | |
358 | seq_puts(m, "\tDISCONNECTED "); | |
359 | seq_printf(m, "\nSMBs: %d Oplock Breaks: %d", | |
360 | atomic_read(&tcon->num_smbs_sent), | |
361 | atomic_read(&tcon->num_oplock_brks)); | |
362 | seq_printf(m, "\nReads: %d Bytes: %lld", | |
363 | atomic_read(&tcon->num_reads), | |
364 | (long long)(tcon->bytes_read)); | |
365 | seq_printf(m, "\nWrites: %d Bytes: %lld", | |
366 | atomic_read(&tcon->num_writes), | |
367 | (long long)(tcon->bytes_written)); | |
b298f223 SF |
368 | seq_printf(m, "\nFlushes: %d", |
369 | atomic_read(&tcon->num_flushes)); | |
f1987b44 JL |
370 | seq_printf(m, "\nLocks: %d HardLinks: %d " |
371 | "Symlinks: %d", | |
372 | atomic_read(&tcon->num_locks), | |
373 | atomic_read(&tcon->num_hardlinks), | |
374 | atomic_read(&tcon->num_symlinks)); | |
65bc98b0 | 375 | seq_printf(m, "\nOpens: %d Closes: %d " |
f1987b44 JL |
376 | "Deletes: %d", |
377 | atomic_read(&tcon->num_opens), | |
378 | atomic_read(&tcon->num_closes), | |
379 | atomic_read(&tcon->num_deletes)); | |
65bc98b0 SF |
380 | seq_printf(m, "\nPosix Opens: %d " |
381 | "Posix Mkdirs: %d", | |
382 | atomic_read(&tcon->num_posixopens), | |
383 | atomic_read(&tcon->num_posixmkdirs)); | |
f1987b44 JL |
384 | seq_printf(m, "\nMkdirs: %d Rmdirs: %d", |
385 | atomic_read(&tcon->num_mkdirs), | |
386 | atomic_read(&tcon->num_rmdirs)); | |
387 | seq_printf(m, "\nRenames: %d T2 Renames %d", | |
388 | atomic_read(&tcon->num_renames), | |
389 | atomic_read(&tcon->num_t2renames)); | |
390 | seq_printf(m, "\nFindFirst: %d FNext %d " | |
391 | "FClose %d", | |
392 | atomic_read(&tcon->num_ffirst), | |
393 | atomic_read(&tcon->num_fnext), | |
394 | atomic_read(&tcon->num_fclose)); | |
395 | } | |
396 | } | |
1da177e4 | 397 | } |
3f9bcca7 | 398 | spin_unlock(&cifs_tcp_ses_lock); |
1da177e4 | 399 | |
f984c7b9 AD |
400 | seq_putc(m, '\n'); |
401 | return 0; | |
402 | } | |
221601c3 | 403 | |
f984c7b9 AD |
404 | static int cifs_stats_proc_open(struct inode *inode, struct file *file) |
405 | { | |
406 | return single_open(file, cifs_stats_proc_show, NULL); | |
1da177e4 | 407 | } |
f984c7b9 AD |
408 | |
409 | static const struct file_operations cifs_stats_proc_fops = { | |
410 | .owner = THIS_MODULE, | |
411 | .open = cifs_stats_proc_open, | |
412 | .read = seq_read, | |
413 | .llseek = seq_lseek, | |
414 | .release = single_release, | |
415 | .write = cifs_stats_proc_write, | |
416 | }; | |
90c81e0b | 417 | #endif /* STATS */ |
1da177e4 LT |
418 | |
419 | static struct proc_dir_entry *proc_fs_cifs; | |
f984c7b9 AD |
420 | static const struct file_operations cifsFYI_proc_fops; |
421 | static const struct file_operations cifs_oplock_proc_fops; | |
422 | static const struct file_operations cifs_lookup_cache_proc_fops; | |
423 | static const struct file_operations traceSMB_proc_fops; | |
424 | static const struct file_operations cifs_multiuser_mount_proc_fops; | |
425 | static const struct file_operations cifs_security_flags_proc_fops; | |
426 | static const struct file_operations cifs_experimental_proc_fops; | |
427 | static const struct file_operations cifs_linux_ext_proc_fops; | |
1da177e4 LT |
428 | |
429 | void | |
430 | cifs_proc_init(void) | |
431 | { | |
36a5aeb8 | 432 | proc_fs_cifs = proc_mkdir("fs/cifs", NULL); |
1da177e4 LT |
433 | if (proc_fs_cifs == NULL) |
434 | return; | |
435 | ||
f984c7b9 | 436 | proc_create("DebugData", 0, proc_fs_cifs, &cifs_debug_data_proc_fops); |
1da177e4 LT |
437 | |
438 | #ifdef CONFIG_CIFS_STATS | |
f984c7b9 | 439 | proc_create("Stats", 0, proc_fs_cifs, &cifs_stats_proc_fops); |
90c81e0b | 440 | #endif /* STATS */ |
f984c7b9 AD |
441 | proc_create("cifsFYI", 0, proc_fs_cifs, &cifsFYI_proc_fops); |
442 | proc_create("traceSMB", 0, proc_fs_cifs, &traceSMB_proc_fops); | |
443 | proc_create("OplockEnabled", 0, proc_fs_cifs, &cifs_oplock_proc_fops); | |
99b1f5b2 SF |
444 | proc_create("Experimental", 0, proc_fs_cifs, |
445 | &cifs_experimental_proc_fops); | |
446 | proc_create("LinuxExtensionsEnabled", 0, proc_fs_cifs, | |
447 | &cifs_linux_ext_proc_fops); | |
448 | proc_create("MultiuserMount", 0, proc_fs_cifs, | |
449 | &cifs_multiuser_mount_proc_fops); | |
450 | proc_create("SecurityFlags", 0, proc_fs_cifs, | |
451 | &cifs_security_flags_proc_fops); | |
452 | proc_create("LookupCacheEnabled", 0, proc_fs_cifs, | |
453 | &cifs_lookup_cache_proc_fops); | |
1da177e4 LT |
454 | } |
455 | ||
456 | void | |
457 | cifs_proc_clean(void) | |
458 | { | |
459 | if (proc_fs_cifs == NULL) | |
460 | return; | |
461 | ||
462 | remove_proc_entry("DebugData", proc_fs_cifs); | |
463 | remove_proc_entry("cifsFYI", proc_fs_cifs); | |
464 | remove_proc_entry("traceSMB", proc_fs_cifs); | |
465 | #ifdef CONFIG_CIFS_STATS | |
466 | remove_proc_entry("Stats", proc_fs_cifs); | |
467 | #endif | |
468 | remove_proc_entry("MultiuserMount", proc_fs_cifs); | |
469 | remove_proc_entry("OplockEnabled", proc_fs_cifs); | |
221601c3 | 470 | remove_proc_entry("SecurityFlags", proc_fs_cifs); |
221601c3 SF |
471 | remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs); |
472 | remove_proc_entry("Experimental", proc_fs_cifs); | |
473 | remove_proc_entry("LookupCacheEnabled", proc_fs_cifs); | |
36a5aeb8 | 474 | remove_proc_entry("fs/cifs", NULL); |
1da177e4 LT |
475 | } |
476 | ||
f984c7b9 | 477 | static int cifsFYI_proc_show(struct seq_file *m, void *v) |
1da177e4 | 478 | { |
f984c7b9 AD |
479 | seq_printf(m, "%d\n", cifsFYI); |
480 | return 0; | |
481 | } | |
1da177e4 | 482 | |
f984c7b9 AD |
483 | static int cifsFYI_proc_open(struct inode *inode, struct file *file) |
484 | { | |
485 | return single_open(file, cifsFYI_proc_show, NULL); | |
1da177e4 | 486 | } |
f984c7b9 AD |
487 | |
488 | static ssize_t cifsFYI_proc_write(struct file *file, const char __user *buffer, | |
489 | size_t count, loff_t *ppos) | |
1da177e4 LT |
490 | { |
491 | char c; | |
492 | int rc; | |
493 | ||
494 | rc = get_user(c, buffer); | |
495 | if (rc) | |
496 | return rc; | |
497 | if (c == '0' || c == 'n' || c == 'N') | |
498 | cifsFYI = 0; | |
499 | else if (c == '1' || c == 'y' || c == 'Y') | |
500 | cifsFYI = 1; | |
221601c3 | 501 | else if ((c > '1') && (c <= '9')) |
1047abc1 | 502 | cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */ |
1da177e4 LT |
503 | |
504 | return count; | |
505 | } | |
506 | ||
f984c7b9 AD |
507 | static const struct file_operations cifsFYI_proc_fops = { |
508 | .owner = THIS_MODULE, | |
509 | .open = cifsFYI_proc_open, | |
510 | .read = seq_read, | |
511 | .llseek = seq_lseek, | |
512 | .release = single_release, | |
513 | .write = cifsFYI_proc_write, | |
514 | }; | |
1da177e4 | 515 | |
f984c7b9 AD |
516 | static int cifs_oplock_proc_show(struct seq_file *m, void *v) |
517 | { | |
518 | seq_printf(m, "%d\n", oplockEnabled); | |
519 | return 0; | |
520 | } | |
1da177e4 | 521 | |
f984c7b9 AD |
522 | static int cifs_oplock_proc_open(struct inode *inode, struct file *file) |
523 | { | |
524 | return single_open(file, cifs_oplock_proc_show, NULL); | |
1da177e4 | 525 | } |
f984c7b9 AD |
526 | |
527 | static ssize_t cifs_oplock_proc_write(struct file *file, | |
528 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 LT |
529 | { |
530 | char c; | |
531 | int rc; | |
532 | ||
533 | rc = get_user(c, buffer); | |
534 | if (rc) | |
535 | return rc; | |
536 | if (c == '0' || c == 'n' || c == 'N') | |
537 | oplockEnabled = 0; | |
538 | else if (c == '1' || c == 'y' || c == 'Y') | |
539 | oplockEnabled = 1; | |
540 | ||
541 | return count; | |
542 | } | |
543 | ||
f984c7b9 AD |
544 | static const struct file_operations cifs_oplock_proc_fops = { |
545 | .owner = THIS_MODULE, | |
546 | .open = cifs_oplock_proc_open, | |
547 | .read = seq_read, | |
548 | .llseek = seq_lseek, | |
549 | .release = single_release, | |
550 | .write = cifs_oplock_proc_write, | |
551 | }; | |
1da177e4 | 552 | |
f984c7b9 AD |
553 | static int cifs_experimental_proc_show(struct seq_file *m, void *v) |
554 | { | |
555 | seq_printf(m, "%d\n", experimEnabled); | |
556 | return 0; | |
557 | } | |
1da177e4 | 558 | |
f984c7b9 AD |
559 | static int cifs_experimental_proc_open(struct inode *inode, struct file *file) |
560 | { | |
561 | return single_open(file, cifs_experimental_proc_show, NULL); | |
1da177e4 | 562 | } |
f984c7b9 AD |
563 | |
564 | static ssize_t cifs_experimental_proc_write(struct file *file, | |
565 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 | 566 | { |
ec637e3f SF |
567 | char c; |
568 | int rc; | |
1da177e4 | 569 | |
ec637e3f SF |
570 | rc = get_user(c, buffer); |
571 | if (rc) | |
572 | return rc; | |
573 | if (c == '0' || c == 'n' || c == 'N') | |
574 | experimEnabled = 0; | |
575 | else if (c == '1' || c == 'y' || c == 'Y') | |
576 | experimEnabled = 1; | |
577 | else if (c == '2') | |
578 | experimEnabled = 2; | |
1da177e4 | 579 | |
ec637e3f | 580 | return count; |
1da177e4 LT |
581 | } |
582 | ||
f984c7b9 AD |
583 | static const struct file_operations cifs_experimental_proc_fops = { |
584 | .owner = THIS_MODULE, | |
585 | .open = cifs_experimental_proc_open, | |
586 | .read = seq_read, | |
587 | .llseek = seq_lseek, | |
588 | .release = single_release, | |
589 | .write = cifs_experimental_proc_write, | |
590 | }; | |
1da177e4 | 591 | |
f984c7b9 AD |
592 | static int cifs_linux_ext_proc_show(struct seq_file *m, void *v) |
593 | { | |
594 | seq_printf(m, "%d\n", linuxExtEnabled); | |
595 | return 0; | |
596 | } | |
1da177e4 | 597 | |
f984c7b9 AD |
598 | static int cifs_linux_ext_proc_open(struct inode *inode, struct file *file) |
599 | { | |
600 | return single_open(file, cifs_linux_ext_proc_show, NULL); | |
1da177e4 | 601 | } |
f984c7b9 AD |
602 | |
603 | static ssize_t cifs_linux_ext_proc_write(struct file *file, | |
604 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 | 605 | { |
221601c3 SF |
606 | char c; |
607 | int rc; | |
608 | ||
609 | rc = get_user(c, buffer); | |
610 | if (rc) | |
611 | return rc; | |
612 | if (c == '0' || c == 'n' || c == 'N') | |
613 | linuxExtEnabled = 0; | |
614 | else if (c == '1' || c == 'y' || c == 'Y') | |
615 | linuxExtEnabled = 1; | |
616 | ||
617 | return count; | |
1da177e4 LT |
618 | } |
619 | ||
f984c7b9 AD |
620 | static const struct file_operations cifs_linux_ext_proc_fops = { |
621 | .owner = THIS_MODULE, | |
622 | .open = cifs_linux_ext_proc_open, | |
623 | .read = seq_read, | |
624 | .llseek = seq_lseek, | |
625 | .release = single_release, | |
626 | .write = cifs_linux_ext_proc_write, | |
627 | }; | |
1da177e4 | 628 | |
f984c7b9 | 629 | static int cifs_lookup_cache_proc_show(struct seq_file *m, void *v) |
1da177e4 | 630 | { |
f984c7b9 AD |
631 | seq_printf(m, "%d\n", lookupCacheEnabled); |
632 | return 0; | |
633 | } | |
1da177e4 | 634 | |
f984c7b9 AD |
635 | static int cifs_lookup_cache_proc_open(struct inode *inode, struct file *file) |
636 | { | |
637 | return single_open(file, cifs_lookup_cache_proc_show, NULL); | |
1da177e4 | 638 | } |
f984c7b9 AD |
639 | |
640 | static ssize_t cifs_lookup_cache_proc_write(struct file *file, | |
641 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 LT |
642 | { |
643 | char c; | |
644 | int rc; | |
645 | ||
646 | rc = get_user(c, buffer); | |
647 | if (rc) | |
648 | return rc; | |
649 | if (c == '0' || c == 'n' || c == 'N') | |
650 | lookupCacheEnabled = 0; | |
651 | else if (c == '1' || c == 'y' || c == 'Y') | |
652 | lookupCacheEnabled = 1; | |
653 | ||
654 | return count; | |
655 | } | |
1da177e4 | 656 | |
f984c7b9 AD |
657 | static const struct file_operations cifs_lookup_cache_proc_fops = { |
658 | .owner = THIS_MODULE, | |
659 | .open = cifs_lookup_cache_proc_open, | |
660 | .read = seq_read, | |
661 | .llseek = seq_lseek, | |
662 | .release = single_release, | |
663 | .write = cifs_lookup_cache_proc_write, | |
664 | }; | |
1da177e4 | 665 | |
f984c7b9 AD |
666 | static int traceSMB_proc_show(struct seq_file *m, void *v) |
667 | { | |
668 | seq_printf(m, "%d\n", traceSMB); | |
669 | return 0; | |
670 | } | |
1da177e4 | 671 | |
f984c7b9 AD |
672 | static int traceSMB_proc_open(struct inode *inode, struct file *file) |
673 | { | |
674 | return single_open(file, traceSMB_proc_show, NULL); | |
1da177e4 | 675 | } |
f984c7b9 AD |
676 | |
677 | static ssize_t traceSMB_proc_write(struct file *file, const char __user *buffer, | |
678 | size_t count, loff_t *ppos) | |
1da177e4 LT |
679 | { |
680 | char c; | |
681 | int rc; | |
682 | ||
683 | rc = get_user(c, buffer); | |
684 | if (rc) | |
685 | return rc; | |
686 | if (c == '0' || c == 'n' || c == 'N') | |
687 | traceSMB = 0; | |
688 | else if (c == '1' || c == 'y' || c == 'Y') | |
689 | traceSMB = 1; | |
690 | ||
691 | return count; | |
692 | } | |
693 | ||
f984c7b9 AD |
694 | static const struct file_operations traceSMB_proc_fops = { |
695 | .owner = THIS_MODULE, | |
696 | .open = traceSMB_proc_open, | |
697 | .read = seq_read, | |
698 | .llseek = seq_lseek, | |
699 | .release = single_release, | |
700 | .write = traceSMB_proc_write, | |
701 | }; | |
1da177e4 | 702 | |
f984c7b9 AD |
703 | static int cifs_multiuser_mount_proc_show(struct seq_file *m, void *v) |
704 | { | |
705 | seq_printf(m, "%d\n", multiuser_mount); | |
706 | return 0; | |
707 | } | |
1da177e4 | 708 | |
99b1f5b2 | 709 | static int cifs_multiuser_mount_proc_open(struct inode *inode, struct file *fh) |
f984c7b9 | 710 | { |
99b1f5b2 | 711 | return single_open(fh, cifs_multiuser_mount_proc_show, NULL); |
1da177e4 | 712 | } |
f984c7b9 AD |
713 | |
714 | static ssize_t cifs_multiuser_mount_proc_write(struct file *file, | |
715 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 LT |
716 | { |
717 | char c; | |
718 | int rc; | |
719 | ||
720 | rc = get_user(c, buffer); | |
721 | if (rc) | |
722 | return rc; | |
723 | if (c == '0' || c == 'n' || c == 'N') | |
724 | multiuser_mount = 0; | |
725 | else if (c == '1' || c == 'y' || c == 'Y') | |
726 | multiuser_mount = 1; | |
727 | ||
728 | return count; | |
729 | } | |
730 | ||
f984c7b9 AD |
731 | static const struct file_operations cifs_multiuser_mount_proc_fops = { |
732 | .owner = THIS_MODULE, | |
733 | .open = cifs_multiuser_mount_proc_open, | |
734 | .read = seq_read, | |
735 | .llseek = seq_lseek, | |
736 | .release = single_release, | |
737 | .write = cifs_multiuser_mount_proc_write, | |
738 | }; | |
1da177e4 | 739 | |
f984c7b9 AD |
740 | static int cifs_security_flags_proc_show(struct seq_file *m, void *v) |
741 | { | |
04912d6a | 742 | seq_printf(m, "0x%x\n", global_secflags); |
f984c7b9 AD |
743 | return 0; |
744 | } | |
1da177e4 | 745 | |
f984c7b9 AD |
746 | static int cifs_security_flags_proc_open(struct inode *inode, struct file *file) |
747 | { | |
748 | return single_open(file, cifs_security_flags_proc_show, NULL); | |
1da177e4 | 749 | } |
f984c7b9 AD |
750 | |
751 | static ssize_t cifs_security_flags_proc_write(struct file *file, | |
752 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 | 753 | { |
bdc4bf6e SF |
754 | unsigned int flags; |
755 | char flags_string[12]; | |
1da177e4 | 756 | char c; |
bdc4bf6e | 757 | |
221601c3 | 758 | if ((count < 1) || (count > 11)) |
3979877e | 759 | return -EINVAL; |
1da177e4 | 760 | |
bdc4bf6e | 761 | memset(flags_string, 0, 12); |
3979877e | 762 | |
221601c3 | 763 | if (copy_from_user(flags_string, buffer, count)) |
bdc4bf6e | 764 | return -EFAULT; |
3979877e | 765 | |
221601c3 | 766 | if (count < 3) { |
bdc4bf6e SF |
767 | /* single char or single char followed by null */ |
768 | c = flags_string[0]; | |
a013689d | 769 | if (c == '0' || c == 'n' || c == 'N') { |
04912d6a | 770 | global_secflags = CIFSSEC_DEF; /* default */ |
a013689d SF |
771 | return count; |
772 | } else if (c == '1' || c == 'y' || c == 'Y') { | |
04912d6a | 773 | global_secflags = CIFSSEC_MAX; |
a013689d SF |
774 | return count; |
775 | } else if (!isdigit(c)) { | |
b6b38f70 | 776 | cERROR(1, "invalid flag %c", c); |
a013689d SF |
777 | return -EINVAL; |
778 | } | |
bdc4bf6e SF |
779 | } |
780 | /* else we have a number */ | |
781 | ||
782 | flags = simple_strtoul(flags_string, NULL, 0); | |
783 | ||
b6b38f70 | 784 | cFYI(1, "sec flags 0x%x", flags); |
bdc4bf6e | 785 | |
221601c3 | 786 | if (flags <= 0) { |
b6b38f70 | 787 | cERROR(1, "invalid security flags %s", flags_string); |
bdc4bf6e SF |
788 | return -EINVAL; |
789 | } | |
1da177e4 | 790 | |
221601c3 | 791 | if (flags & ~CIFSSEC_MASK) { |
b6b38f70 JP |
792 | cERROR(1, "attempt to set unsupported security flags 0x%x", |
793 | flags & ~CIFSSEC_MASK); | |
bdc4bf6e SF |
794 | return -EINVAL; |
795 | } | |
796 | /* flags look ok - update the global security flags for cifs module */ | |
04912d6a JL |
797 | global_secflags = flags; |
798 | if (global_secflags & CIFSSEC_MUST_SIGN) { | |
762e5ab7 | 799 | /* requiring signing implies signing is allowed */ |
04912d6a | 800 | global_secflags |= CIFSSEC_MAY_SIGN; |
b6b38f70 | 801 | cFYI(1, "packet signing now required"); |
04912d6a | 802 | } else if ((global_secflags & CIFSSEC_MAY_SIGN) == 0) { |
b6b38f70 | 803 | cFYI(1, "packet signing disabled"); |
762e5ab7 SF |
804 | } |
805 | /* BB should we turn on MAY flags for other MUST options? */ | |
1da177e4 LT |
806 | return count; |
807 | } | |
f984c7b9 AD |
808 | |
809 | static const struct file_operations cifs_security_flags_proc_fops = { | |
810 | .owner = THIS_MODULE, | |
811 | .open = cifs_security_flags_proc_open, | |
812 | .read = seq_read, | |
813 | .llseek = seq_lseek, | |
814 | .release = single_release, | |
815 | .write = cifs_security_flags_proc_write, | |
816 | }; | |
90c81e0b | 817 | #else |
e086fcea | 818 | inline void cifs_proc_init(void) |
90c81e0b SF |
819 | { |
820 | } | |
821 | ||
e086fcea | 822 | inline void cifs_proc_clean(void) |
90c81e0b SF |
823 | { |
824 | } | |
825 | #endif /* PROC_FS */ |