Commit | Line | Data |
---|---|---|
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 | ||
f96637be JP |
60 | #ifdef CONFIG_CIFS_DEBUG |
61 | void cifs_vfs_err(const char *fmt, ...) | |
62 | { | |
63 | struct va_format vaf; | |
64 | va_list args; | |
65 | ||
66 | va_start(args, fmt); | |
67 | ||
68 | vaf.fmt = fmt; | |
69 | vaf.va = &args; | |
70 | ||
71 | printk(KERN_ERR "CIFS VFS: %pV", &vaf); | |
72 | ||
73 | va_end(args); | |
74 | } | |
75 | #endif | |
76 | ||
d4e4854f | 77 | void cifs_dump_detail(void *buf) |
3979877e | 78 | { |
8aa26f3e | 79 | #ifdef CONFIG_CIFS_DEBUG2 |
d4e4854f PS |
80 | struct smb_hdr *smb = (struct smb_hdr *)buf; |
81 | ||
f96637be JP |
82 | cifs_dbg(VFS, "Cmd: %d Err: 0x%x Flags: 0x%x Flgs2: 0x%x Mid: %d Pid: %d\n", |
83 | smb->Command, smb->Status.CifsError, | |
84 | smb->Flags, smb->Flags2, smb->Mid, smb->Pid); | |
85 | cifs_dbg(VFS, "smb buf %p len %u\n", smb, smbCalcSize(smb)); | |
8aa26f3e | 86 | #endif /* CONFIG_CIFS_DEBUG2 */ |
3979877e SF |
87 | } |
88 | ||
ffdd6e4d | 89 | void cifs_dump_mids(struct TCP_Server_Info *server) |
3979877e | 90 | { |
8aa26f3e | 91 | #ifdef CONFIG_CIFS_DEBUG2 |
3979877e | 92 | struct list_head *tmp; |
ffdd6e4d | 93 | struct mid_q_entry *mid_entry; |
3979877e | 94 | |
221601c3 | 95 | if (server == NULL) |
3979877e SF |
96 | return; |
97 | ||
f96637be | 98 | cifs_dbg(VFS, "Dump pending requests:\n"); |
3979877e SF |
99 | spin_lock(&GlobalMid_Lock); |
100 | list_for_each(tmp, &server->pending_mid_q) { | |
101 | mid_entry = list_entry(tmp, struct mid_q_entry, qhead); | |
f96637be JP |
102 | cifs_dbg(VFS, "State: %d Cmd: %d Pid: %d Cbdata: %p Mid %llu\n", |
103 | mid_entry->mid_state, | |
104 | le16_to_cpu(mid_entry->command), | |
105 | mid_entry->pid, | |
106 | mid_entry->callback_data, | |
107 | mid_entry->mid); | |
3979877e | 108 | #ifdef CONFIG_CIFS_STATS2 |
f96637be JP |
109 | cifs_dbg(VFS, "IsLarge: %d buf: %p time rcv: %ld now: %ld\n", |
110 | mid_entry->large_buf, | |
111 | mid_entry->resp_buf, | |
112 | mid_entry->when_received, | |
113 | jiffies); | |
3979877e | 114 | #endif /* STATS2 */ |
f96637be JP |
115 | cifs_dbg(VFS, "IsMult: %d IsEnd: %d\n", |
116 | mid_entry->multiRsp, mid_entry->multiEnd); | |
ad8b15f0 SF |
117 | if (mid_entry->resp_buf) { |
118 | cifs_dump_detail(mid_entry->resp_buf); | |
119 | cifs_dump_mem("existing buf: ", | |
120 | mid_entry->resp_buf, 62); | |
3979877e SF |
121 | } |
122 | } | |
123 | spin_unlock(&GlobalMid_Lock); | |
3979877e | 124 | #endif /* CONFIG_CIFS_DEBUG2 */ |
8aa26f3e | 125 | } |
3979877e | 126 | |
1da177e4 | 127 | #ifdef CONFIG_PROC_FS |
f984c7b9 | 128 | static int cifs_debug_data_proc_show(struct seq_file *m, void *v) |
1da177e4 | 129 | { |
f1987b44 | 130 | struct list_head *tmp1, *tmp2, *tmp3; |
ffdd6e4d | 131 | struct mid_q_entry *mid_entry; |
14fbf50d | 132 | struct TCP_Server_Info *server; |
96daf2b0 SF |
133 | struct cifs_ses *ses; |
134 | struct cifs_tcon *tcon; | |
f1987b44 JL |
135 | int i, j; |
136 | __u32 dev_type; | |
1da177e4 | 137 | |
f984c7b9 | 138 | seq_puts(m, |
1da177e4 LT |
139 | "Display Internal CIFS Data Structures for Debugging\n" |
140 | "---------------------------------------------------\n"); | |
f984c7b9 | 141 | seq_printf(m, "CIFS Version %s\n", CIFS_VERSION); |
ca40b714 | 142 | seq_printf(m, "Features:"); |
f579903e | 143 | #ifdef CONFIG_CIFS_DFS_UPCALL |
ca40b714 | 144 | seq_printf(m, " dfs"); |
f579903e SJ |
145 | #endif |
146 | #ifdef CONFIG_CIFS_FSCACHE | |
ca40b714 | 147 | seq_printf(m, " fscache"); |
f579903e SJ |
148 | #endif |
149 | #ifdef CONFIG_CIFS_WEAK_PW_HASH | |
ca40b714 | 150 | seq_printf(m, " lanman"); |
f579903e SJ |
151 | #endif |
152 | #ifdef CONFIG_CIFS_POSIX | |
ca40b714 | 153 | seq_printf(m, " posix"); |
f579903e SJ |
154 | #endif |
155 | #ifdef CONFIG_CIFS_UPCALL | |
ca40b714 | 156 | seq_printf(m, " spnego"); |
f579903e SJ |
157 | #endif |
158 | #ifdef CONFIG_CIFS_XATTR | |
ca40b714 JL |
159 | seq_printf(m, " xattr"); |
160 | #endif | |
161 | #ifdef CONFIG_CIFS_ACL | |
162 | seq_printf(m, " acl"); | |
f579903e SJ |
163 | #endif |
164 | seq_putc(m, '\n'); | |
f984c7b9 AD |
165 | seq_printf(m, "Active VFS Requests: %d\n", GlobalTotalActiveXid); |
166 | seq_printf(m, "Servers:"); | |
1da177e4 LT |
167 | |
168 | i = 0; | |
3f9bcca7 | 169 | spin_lock(&cifs_tcp_ses_lock); |
f1987b44 JL |
170 | list_for_each(tmp1, &cifs_tcp_ses_list) { |
171 | server = list_entry(tmp1, struct TCP_Server_Info, | |
14fbf50d | 172 | tcp_ses_list); |
1da177e4 | 173 | i++; |
14fbf50d | 174 | list_for_each(tmp2, &server->smb_ses_list) { |
96daf2b0 | 175 | ses = list_entry(tmp2, struct cifs_ses, |
14fbf50d JL |
176 | smb_ses_list); |
177 | if ((ses->serverDomain == NULL) || | |
178 | (ses->serverOS == NULL) || | |
179 | (ses->serverNOS == NULL)) { | |
f1987b44 JL |
180 | seq_printf(m, "\n%d) entry for %s not fully " |
181 | "displayed\n\t", i, ses->serverName); | |
14fbf50d JL |
182 | } else { |
183 | seq_printf(m, | |
f1987b44 JL |
184 | "\n%d) Name: %s Domain: %s Uses: %d OS:" |
185 | " %s\n\tNOS: %s\tCapability: 0x%x\n\tSMB" | |
221601c3 | 186 | " session status: %d\t", |
b8643e1b | 187 | i, ses->serverName, ses->serverDomain, |
14fbf50d | 188 | ses->ses_count, ses->serverOS, ses->serverNOS, |
221601c3 | 189 | ses->capabilities, ses->status); |
14fbf50d | 190 | } |
f984c7b9 | 191 | seq_printf(m, "TCP status: %d\n\tLocal Users To " |
14fbf50d JL |
192 | "Server: %d SecMode: 0x%x Req On Wire: %d", |
193 | server->tcpStatus, server->srv_count, | |
fc40f9cf | 194 | server->sec_mode, in_flight(server)); |
131afd0b SF |
195 | |
196 | #ifdef CONFIG_CIFS_STATS2 | |
f984c7b9 | 197 | seq_printf(m, " In Send: %d In MaxReq Wait: %d", |
789e6661 | 198 | atomic_read(&server->in_send), |
14fbf50d | 199 | atomic_read(&server->num_waiters)); |
131afd0b SF |
200 | #endif |
201 | ||
f1987b44 JL |
202 | seq_puts(m, "\n\tShares:"); |
203 | j = 0; | |
204 | list_for_each(tmp3, &ses->tcon_list) { | |
96daf2b0 | 205 | tcon = list_entry(tmp3, struct cifs_tcon, |
f1987b44 JL |
206 | tcon_list); |
207 | ++j; | |
208 | dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType); | |
209 | seq_printf(m, "\n\t%d) %s Mounts: %d ", j, | |
210 | tcon->treeName, tcon->tc_count); | |
211 | if (tcon->nativeFileSystem) { | |
212 | seq_printf(m, "Type: %s ", | |
213 | tcon->nativeFileSystem); | |
214 | } | |
215 | seq_printf(m, "DevInfo: 0x%x Attributes: 0x%x" | |
216 | "\nPathComponentMax: %d Status: 0x%d", | |
217 | le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics), | |
218 | le32_to_cpu(tcon->fsAttrInfo.Attributes), | |
219 | le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength), | |
220 | tcon->tidStatus); | |
221 | if (dev_type == FILE_DEVICE_DISK) | |
222 | seq_puts(m, " type: DISK "); | |
223 | else if (dev_type == FILE_DEVICE_CD_ROM) | |
224 | seq_puts(m, " type: CDROM "); | |
225 | else | |
226 | seq_printf(m, " type: %d ", dev_type); | |
227 | ||
228 | if (tcon->need_reconnect) | |
229 | seq_puts(m, "\tDISCONNECTED "); | |
230 | seq_putc(m, '\n'); | |
231 | } | |
232 | ||
233 | seq_puts(m, "\n\tMIDs:\n"); | |
1da177e4 LT |
234 | |
235 | spin_lock(&GlobalMid_Lock); | |
14fbf50d | 236 | list_for_each(tmp3, &server->pending_mid_q) { |
f1987b44 | 237 | mid_entry = list_entry(tmp3, struct mid_q_entry, |
1da177e4 | 238 | qhead); |
f1987b44 | 239 | seq_printf(m, "\tState: %d com: %d pid:" |
7c9421e1 PS |
240 | " %d cbdata: %p mid %llu\n", |
241 | mid_entry->mid_state, | |
242 | le16_to_cpu(mid_entry->command), | |
243 | mid_entry->pid, | |
244 | mid_entry->callback_data, | |
245 | mid_entry->mid); | |
1da177e4 | 246 | } |
221601c3 | 247 | spin_unlock(&GlobalMid_Lock); |
1da177e4 | 248 | } |
1da177e4 | 249 | } |
3f9bcca7 | 250 | spin_unlock(&cifs_tcp_ses_lock); |
f984c7b9 | 251 | seq_putc(m, '\n'); |
1da177e4 | 252 | |
1da177e4 | 253 | /* BB add code to dump additional info such as TCP session info now */ |
f984c7b9 AD |
254 | return 0; |
255 | } | |
1da177e4 | 256 | |
f984c7b9 AD |
257 | static int cifs_debug_data_proc_open(struct inode *inode, struct file *file) |
258 | { | |
259 | return single_open(file, cifs_debug_data_proc_show, NULL); | |
1da177e4 LT |
260 | } |
261 | ||
f984c7b9 AD |
262 | static const struct file_operations cifs_debug_data_proc_fops = { |
263 | .owner = THIS_MODULE, | |
264 | .open = cifs_debug_data_proc_open, | |
265 | .read = seq_read, | |
266 | .llseek = seq_lseek, | |
267 | .release = single_release, | |
268 | }; | |
1047abc1 | 269 | |
f984c7b9 AD |
270 | #ifdef CONFIG_CIFS_STATS |
271 | static ssize_t cifs_stats_proc_write(struct file *file, | |
272 | const char __user *buffer, size_t count, loff_t *ppos) | |
1047abc1 | 273 | { |
221601c3 SF |
274 | char c; |
275 | int rc; | |
f1987b44 JL |
276 | struct list_head *tmp1, *tmp2, *tmp3; |
277 | struct TCP_Server_Info *server; | |
96daf2b0 SF |
278 | struct cifs_ses *ses; |
279 | struct cifs_tcon *tcon; | |
1047abc1 | 280 | |
221601c3 SF |
281 | rc = get_user(c, buffer); |
282 | if (rc) | |
283 | return rc; | |
1047abc1 | 284 | |
221601c3 | 285 | if (c == '1' || c == 'y' || c == 'Y' || c == '0') { |
4498eed5 SF |
286 | #ifdef CONFIG_CIFS_STATS2 |
287 | atomic_set(&totBufAllocCount, 0); | |
288 | atomic_set(&totSmBufAllocCount, 0); | |
289 | #endif /* CONFIG_CIFS_STATS2 */ | |
3f9bcca7 | 290 | spin_lock(&cifs_tcp_ses_lock); |
f1987b44 JL |
291 | list_for_each(tmp1, &cifs_tcp_ses_list) { |
292 | server = list_entry(tmp1, struct TCP_Server_Info, | |
293 | tcp_ses_list); | |
c2b3382c | 294 | list_for_each(tmp2, &server->smb_ses_list) { |
96daf2b0 | 295 | ses = list_entry(tmp2, struct cifs_ses, |
c2b3382c | 296 | smb_ses_list); |
f1987b44 JL |
297 | list_for_each(tmp3, &ses->tcon_list) { |
298 | tcon = list_entry(tmp3, | |
96daf2b0 | 299 | struct cifs_tcon, |
f1987b44 JL |
300 | tcon_list); |
301 | atomic_set(&tcon->num_smbs_sent, 0); | |
44c58186 PS |
302 | if (server->ops->clear_stats) |
303 | server->ops->clear_stats(tcon); | |
f1987b44 JL |
304 | } |
305 | } | |
1047abc1 | 306 | } |
3f9bcca7 | 307 | spin_unlock(&cifs_tcp_ses_lock); |
1047abc1 SF |
308 | } |
309 | ||
221601c3 | 310 | return count; |
1047abc1 SF |
311 | } |
312 | ||
f984c7b9 | 313 | static int cifs_stats_proc_show(struct seq_file *m, void *v) |
1da177e4 | 314 | { |
f984c7b9 | 315 | int i; |
f1987b44 JL |
316 | struct list_head *tmp1, *tmp2, *tmp3; |
317 | struct TCP_Server_Info *server; | |
96daf2b0 SF |
318 | struct cifs_ses *ses; |
319 | struct cifs_tcon *tcon; | |
1da177e4 | 320 | |
f984c7b9 | 321 | seq_printf(m, |
1da177e4 LT |
322 | "Resources in use\nCIFS Session: %d\n", |
323 | sesInfoAllocCount.counter); | |
f984c7b9 | 324 | seq_printf(m, "Share (unique mount targets): %d\n", |
1da177e4 | 325 | tconInfoAllocCount.counter); |
f984c7b9 | 326 | seq_printf(m, "SMB Request/Response Buffer: %d Pool size: %d\n", |
b8643e1b SF |
327 | bufAllocCount.counter, |
328 | cifs_min_rcv + tcpSesAllocCount.counter); | |
f984c7b9 | 329 | seq_printf(m, "SMB Small Req/Resp Buffer: %d Pool size: %d\n", |
221601c3 | 330 | smBufAllocCount.counter, cifs_min_small); |
07475ffb | 331 | #ifdef CONFIG_CIFS_STATS2 |
f984c7b9 | 332 | seq_printf(m, "Total Large %d Small %d Allocations\n", |
07475ffb | 333 | atomic_read(&totBufAllocCount), |
221601c3 | 334 | atomic_read(&totSmBufAllocCount)); |
07475ffb SF |
335 | #endif /* CONFIG_CIFS_STATS2 */ |
336 | ||
8097531a | 337 | seq_printf(m, "Operations (MIDs): %d\n", atomic_read(&midCount)); |
f984c7b9 | 338 | seq_printf(m, |
1da177e4 | 339 | "\n%d session %d share reconnects\n", |
221601c3 | 340 | tcpSesReconnectCount.counter, tconInfoReconnectCount.counter); |
1da177e4 | 341 | |
f984c7b9 | 342 | seq_printf(m, |
1da177e4 | 343 | "Total vfs operations: %d maximum at one time: %d\n", |
221601c3 | 344 | GlobalCurrentXid, GlobalMaxActiveXid); |
1da177e4 LT |
345 | |
346 | i = 0; | |
3f9bcca7 | 347 | spin_lock(&cifs_tcp_ses_lock); |
f1987b44 JL |
348 | list_for_each(tmp1, &cifs_tcp_ses_list) { |
349 | server = list_entry(tmp1, struct TCP_Server_Info, | |
350 | tcp_ses_list); | |
351 | list_for_each(tmp2, &server->smb_ses_list) { | |
96daf2b0 | 352 | ses = list_entry(tmp2, struct cifs_ses, |
f1987b44 JL |
353 | smb_ses_list); |
354 | list_for_each(tmp3, &ses->tcon_list) { | |
355 | tcon = list_entry(tmp3, | |
96daf2b0 | 356 | struct cifs_tcon, |
f1987b44 JL |
357 | tcon_list); |
358 | i++; | |
359 | seq_printf(m, "\n%d) %s", i, tcon->treeName); | |
360 | if (tcon->need_reconnect) | |
361 | seq_puts(m, "\tDISCONNECTED "); | |
44c58186 PS |
362 | seq_printf(m, "\nSMBs: %d", |
363 | atomic_read(&tcon->num_smbs_sent)); | |
364 | if (server->ops->print_stats) | |
365 | server->ops->print_stats(m, tcon); | |
f1987b44 JL |
366 | } |
367 | } | |
1da177e4 | 368 | } |
3f9bcca7 | 369 | spin_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 | 391 | static const struct file_operations cifsFYI_proc_fops; |
f984c7b9 AD |
392 | static const struct file_operations cifs_lookup_cache_proc_fops; |
393 | static const struct file_operations traceSMB_proc_fops; | |
f984c7b9 | 394 | static const struct file_operations cifs_security_flags_proc_fops; |
f984c7b9 | 395 | static const struct file_operations cifs_linux_ext_proc_fops; |
1da177e4 LT |
396 | |
397 | void | |
398 | cifs_proc_init(void) | |
399 | { | |
36a5aeb8 | 400 | proc_fs_cifs = proc_mkdir("fs/cifs", NULL); |
1da177e4 LT |
401 | if (proc_fs_cifs == NULL) |
402 | return; | |
403 | ||
f984c7b9 | 404 | proc_create("DebugData", 0, proc_fs_cifs, &cifs_debug_data_proc_fops); |
1da177e4 LT |
405 | |
406 | #ifdef CONFIG_CIFS_STATS | |
f984c7b9 | 407 | proc_create("Stats", 0, proc_fs_cifs, &cifs_stats_proc_fops); |
90c81e0b | 408 | #endif /* STATS */ |
f984c7b9 AD |
409 | proc_create("cifsFYI", 0, proc_fs_cifs, &cifsFYI_proc_fops); |
410 | proc_create("traceSMB", 0, proc_fs_cifs, &traceSMB_proc_fops); | |
99b1f5b2 SF |
411 | proc_create("LinuxExtensionsEnabled", 0, proc_fs_cifs, |
412 | &cifs_linux_ext_proc_fops); | |
99b1f5b2 SF |
413 | proc_create("SecurityFlags", 0, proc_fs_cifs, |
414 | &cifs_security_flags_proc_fops); | |
415 | proc_create("LookupCacheEnabled", 0, proc_fs_cifs, | |
416 | &cifs_lookup_cache_proc_fops); | |
1da177e4 LT |
417 | } |
418 | ||
419 | void | |
420 | cifs_proc_clean(void) | |
421 | { | |
422 | if (proc_fs_cifs == NULL) | |
423 | return; | |
424 | ||
425 | remove_proc_entry("DebugData", proc_fs_cifs); | |
426 | remove_proc_entry("cifsFYI", proc_fs_cifs); | |
427 | remove_proc_entry("traceSMB", proc_fs_cifs); | |
428 | #ifdef CONFIG_CIFS_STATS | |
429 | remove_proc_entry("Stats", proc_fs_cifs); | |
430 | #endif | |
221601c3 | 431 | remove_proc_entry("SecurityFlags", proc_fs_cifs); |
221601c3 | 432 | remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs); |
221601c3 | 433 | remove_proc_entry("LookupCacheEnabled", proc_fs_cifs); |
36a5aeb8 | 434 | remove_proc_entry("fs/cifs", NULL); |
1da177e4 LT |
435 | } |
436 | ||
f984c7b9 | 437 | static int cifsFYI_proc_show(struct seq_file *m, void *v) |
1da177e4 | 438 | { |
f984c7b9 AD |
439 | seq_printf(m, "%d\n", cifsFYI); |
440 | return 0; | |
441 | } | |
1da177e4 | 442 | |
f984c7b9 AD |
443 | static int cifsFYI_proc_open(struct inode *inode, struct file *file) |
444 | { | |
445 | return single_open(file, cifsFYI_proc_show, NULL); | |
1da177e4 | 446 | } |
f984c7b9 AD |
447 | |
448 | static ssize_t cifsFYI_proc_write(struct file *file, const char __user *buffer, | |
449 | size_t count, loff_t *ppos) | |
1da177e4 LT |
450 | { |
451 | char c; | |
452 | int rc; | |
453 | ||
454 | rc = get_user(c, buffer); | |
455 | if (rc) | |
456 | return rc; | |
457 | if (c == '0' || c == 'n' || c == 'N') | |
458 | cifsFYI = 0; | |
459 | else if (c == '1' || c == 'y' || c == 'Y') | |
460 | cifsFYI = 1; | |
221601c3 | 461 | else if ((c > '1') && (c <= '9')) |
1047abc1 | 462 | cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */ |
1da177e4 LT |
463 | |
464 | return count; | |
465 | } | |
466 | ||
f984c7b9 AD |
467 | static const struct file_operations cifsFYI_proc_fops = { |
468 | .owner = THIS_MODULE, | |
469 | .open = cifsFYI_proc_open, | |
470 | .read = seq_read, | |
471 | .llseek = seq_lseek, | |
472 | .release = single_release, | |
473 | .write = cifsFYI_proc_write, | |
474 | }; | |
1da177e4 | 475 | |
f984c7b9 AD |
476 | static int cifs_linux_ext_proc_show(struct seq_file *m, void *v) |
477 | { | |
478 | seq_printf(m, "%d\n", linuxExtEnabled); | |
479 | return 0; | |
480 | } | |
1da177e4 | 481 | |
f984c7b9 AD |
482 | static int cifs_linux_ext_proc_open(struct inode *inode, struct file *file) |
483 | { | |
484 | return single_open(file, cifs_linux_ext_proc_show, NULL); | |
1da177e4 | 485 | } |
f984c7b9 AD |
486 | |
487 | static ssize_t cifs_linux_ext_proc_write(struct file *file, | |
488 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 | 489 | { |
221601c3 SF |
490 | char c; |
491 | int rc; | |
492 | ||
493 | rc = get_user(c, buffer); | |
494 | if (rc) | |
495 | return rc; | |
496 | if (c == '0' || c == 'n' || c == 'N') | |
497 | linuxExtEnabled = 0; | |
498 | else if (c == '1' || c == 'y' || c == 'Y') | |
499 | linuxExtEnabled = 1; | |
500 | ||
501 | return count; | |
1da177e4 LT |
502 | } |
503 | ||
f984c7b9 AD |
504 | static const struct file_operations cifs_linux_ext_proc_fops = { |
505 | .owner = THIS_MODULE, | |
506 | .open = cifs_linux_ext_proc_open, | |
507 | .read = seq_read, | |
508 | .llseek = seq_lseek, | |
509 | .release = single_release, | |
510 | .write = cifs_linux_ext_proc_write, | |
511 | }; | |
1da177e4 | 512 | |
f984c7b9 | 513 | static int cifs_lookup_cache_proc_show(struct seq_file *m, void *v) |
1da177e4 | 514 | { |
f984c7b9 AD |
515 | seq_printf(m, "%d\n", lookupCacheEnabled); |
516 | return 0; | |
517 | } | |
1da177e4 | 518 | |
f984c7b9 AD |
519 | static int cifs_lookup_cache_proc_open(struct inode *inode, struct file *file) |
520 | { | |
521 | return single_open(file, cifs_lookup_cache_proc_show, NULL); | |
1da177e4 | 522 | } |
f984c7b9 AD |
523 | |
524 | static ssize_t cifs_lookup_cache_proc_write(struct file *file, | |
525 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 LT |
526 | { |
527 | char c; | |
528 | int rc; | |
529 | ||
530 | rc = get_user(c, buffer); | |
531 | if (rc) | |
532 | return rc; | |
533 | if (c == '0' || c == 'n' || c == 'N') | |
534 | lookupCacheEnabled = 0; | |
535 | else if (c == '1' || c == 'y' || c == 'Y') | |
536 | lookupCacheEnabled = 1; | |
537 | ||
538 | return count; | |
539 | } | |
1da177e4 | 540 | |
f984c7b9 AD |
541 | static const struct file_operations cifs_lookup_cache_proc_fops = { |
542 | .owner = THIS_MODULE, | |
543 | .open = cifs_lookup_cache_proc_open, | |
544 | .read = seq_read, | |
545 | .llseek = seq_lseek, | |
546 | .release = single_release, | |
547 | .write = cifs_lookup_cache_proc_write, | |
548 | }; | |
1da177e4 | 549 | |
f984c7b9 AD |
550 | static int traceSMB_proc_show(struct seq_file *m, void *v) |
551 | { | |
552 | seq_printf(m, "%d\n", traceSMB); | |
553 | return 0; | |
554 | } | |
1da177e4 | 555 | |
f984c7b9 AD |
556 | static int traceSMB_proc_open(struct inode *inode, struct file *file) |
557 | { | |
558 | return single_open(file, traceSMB_proc_show, NULL); | |
1da177e4 | 559 | } |
f984c7b9 AD |
560 | |
561 | static ssize_t traceSMB_proc_write(struct file *file, const char __user *buffer, | |
562 | size_t count, loff_t *ppos) | |
1da177e4 LT |
563 | { |
564 | char c; | |
565 | int rc; | |
566 | ||
567 | rc = get_user(c, buffer); | |
568 | if (rc) | |
569 | return rc; | |
570 | if (c == '0' || c == 'n' || c == 'N') | |
571 | traceSMB = 0; | |
572 | else if (c == '1' || c == 'y' || c == 'Y') | |
573 | traceSMB = 1; | |
574 | ||
575 | return count; | |
576 | } | |
577 | ||
f984c7b9 AD |
578 | static const struct file_operations traceSMB_proc_fops = { |
579 | .owner = THIS_MODULE, | |
580 | .open = traceSMB_proc_open, | |
581 | .read = seq_read, | |
582 | .llseek = seq_lseek, | |
583 | .release = single_release, | |
584 | .write = traceSMB_proc_write, | |
585 | }; | |
1da177e4 | 586 | |
f984c7b9 AD |
587 | static int cifs_security_flags_proc_show(struct seq_file *m, void *v) |
588 | { | |
04912d6a | 589 | seq_printf(m, "0x%x\n", global_secflags); |
f984c7b9 AD |
590 | return 0; |
591 | } | |
1da177e4 | 592 | |
f984c7b9 AD |
593 | static int cifs_security_flags_proc_open(struct inode *inode, struct file *file) |
594 | { | |
595 | return single_open(file, cifs_security_flags_proc_show, NULL); | |
1da177e4 | 596 | } |
f984c7b9 AD |
597 | |
598 | static ssize_t cifs_security_flags_proc_write(struct file *file, | |
599 | const char __user *buffer, size_t count, loff_t *ppos) | |
1da177e4 | 600 | { |
bdc4bf6e SF |
601 | unsigned int flags; |
602 | char flags_string[12]; | |
1da177e4 | 603 | char c; |
bdc4bf6e | 604 | |
221601c3 | 605 | if ((count < 1) || (count > 11)) |
3979877e | 606 | return -EINVAL; |
1da177e4 | 607 | |
bdc4bf6e | 608 | memset(flags_string, 0, 12); |
3979877e | 609 | |
221601c3 | 610 | if (copy_from_user(flags_string, buffer, count)) |
bdc4bf6e | 611 | return -EFAULT; |
3979877e | 612 | |
221601c3 | 613 | if (count < 3) { |
bdc4bf6e SF |
614 | /* single char or single char followed by null */ |
615 | c = flags_string[0]; | |
a013689d | 616 | if (c == '0' || c == 'n' || c == 'N') { |
04912d6a | 617 | global_secflags = CIFSSEC_DEF; /* default */ |
a013689d SF |
618 | return count; |
619 | } else if (c == '1' || c == 'y' || c == 'Y') { | |
04912d6a | 620 | global_secflags = CIFSSEC_MAX; |
a013689d SF |
621 | return count; |
622 | } else if (!isdigit(c)) { | |
f96637be | 623 | cifs_dbg(VFS, "invalid flag %c\n", c); |
a013689d SF |
624 | return -EINVAL; |
625 | } | |
bdc4bf6e SF |
626 | } |
627 | /* else we have a number */ | |
628 | ||
629 | flags = simple_strtoul(flags_string, NULL, 0); | |
630 | ||
f96637be | 631 | cifs_dbg(FYI, "sec flags 0x%x\n", flags); |
bdc4bf6e | 632 | |
221601c3 | 633 | if (flags <= 0) { |
f96637be | 634 | cifs_dbg(VFS, "invalid security flags %s\n", flags_string); |
bdc4bf6e SF |
635 | return -EINVAL; |
636 | } | |
1da177e4 | 637 | |
221601c3 | 638 | if (flags & ~CIFSSEC_MASK) { |
f96637be JP |
639 | cifs_dbg(VFS, "attempt to set unsupported security flags 0x%x\n", |
640 | flags & ~CIFSSEC_MASK); | |
bdc4bf6e SF |
641 | return -EINVAL; |
642 | } | |
643 | /* flags look ok - update the global security flags for cifs module */ | |
04912d6a JL |
644 | global_secflags = flags; |
645 | if (global_secflags & CIFSSEC_MUST_SIGN) { | |
762e5ab7 | 646 | /* requiring signing implies signing is allowed */ |
04912d6a | 647 | global_secflags |= CIFSSEC_MAY_SIGN; |
f96637be | 648 | cifs_dbg(FYI, "packet signing now required\n"); |
04912d6a | 649 | } else if ((global_secflags & CIFSSEC_MAY_SIGN) == 0) { |
f96637be | 650 | cifs_dbg(FYI, "packet signing disabled\n"); |
762e5ab7 SF |
651 | } |
652 | /* BB should we turn on MAY flags for other MUST options? */ | |
1da177e4 LT |
653 | return count; |
654 | } | |
f984c7b9 AD |
655 | |
656 | static const struct file_operations cifs_security_flags_proc_fops = { | |
657 | .owner = THIS_MODULE, | |
658 | .open = cifs_security_flags_proc_open, | |
659 | .read = seq_read, | |
660 | .llseek = seq_lseek, | |
661 | .release = single_release, | |
662 | .write = cifs_security_flags_proc_write, | |
663 | }; | |
90c81e0b | 664 | #else |
e086fcea | 665 | inline void cifs_proc_init(void) |
90c81e0b SF |
666 | { |
667 | } | |
668 | ||
e086fcea | 669 | inline void cifs_proc_clean(void) |
90c81e0b SF |
670 | { |
671 | } | |
672 | #endif /* PROC_FS */ |