Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * fs/cifs_debug.c |
| 3 | * |
Steve French | b8643e1 | 2005-04-28 22:41:07 -0700 | [diff] [blame] | 4 | * Copyright (C) International Business Machines Corp., 2000,2005 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 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 |
| 19 | * along with this program; if not, write to the Free Software |
| 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" |
Steve French | 6c91d36 | 2005-04-28 22:41:06 -0700 | [diff] [blame] | 32 | #include "cifsfs.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 42 | printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n\n", |
| 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 | |
| 60 | #ifdef CONFIG_PROC_FS |
| 61 | static int |
| 62 | cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset, |
| 63 | int count, int *eof, void *data) |
| 64 | { |
| 65 | struct list_head *tmp; |
| 66 | struct list_head *tmp1; |
| 67 | struct mid_q_entry * mid_entry; |
| 68 | struct cifsSesInfo *ses; |
| 69 | struct cifsTconInfo *tcon; |
| 70 | int i; |
| 71 | int length = 0; |
| 72 | char * original_buf = buf; |
| 73 | |
| 74 | *beginBuffer = buf + offset; |
| 75 | |
| 76 | |
| 77 | length = |
| 78 | sprintf(buf, |
| 79 | "Display Internal CIFS Data Structures for Debugging\n" |
| 80 | "---------------------------------------------------\n"); |
| 81 | buf += length; |
Steve French | 6c91d36 | 2005-04-28 22:41:06 -0700 | [diff] [blame] | 82 | length = sprintf(buf,"CIFS Version %s\n",CIFS_VERSION); |
| 83 | buf += length; |
Steve French | 131afd0b | 2005-10-07 09:51:05 -0700 | [diff] [blame] | 84 | length = sprintf(buf,"Active VFS Requests: %d\n", GlobalTotalActiveXid); |
| 85 | buf += length; |
Steve French | 6c91d36 | 2005-04-28 22:41:06 -0700 | [diff] [blame] | 86 | length = sprintf(buf, "Servers:"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | buf += length; |
| 88 | |
| 89 | i = 0; |
| 90 | read_lock(&GlobalSMBSeslock); |
| 91 | list_for_each(tmp, &GlobalSMBSessionList) { |
| 92 | i++; |
| 93 | ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList); |
Steve French | 433dc24 | 2005-04-28 22:41:08 -0700 | [diff] [blame] | 94 | if((ses->serverDomain == NULL) || (ses->serverOS == NULL) || |
| 95 | (ses->serverNOS == NULL)) { |
| 96 | buf += sprintf("\nentry for %s not fully displayed\n\t", |
| 97 | ses->serverName); |
| 98 | |
| 99 | } else { |
| 100 | length = |
| 101 | sprintf(buf, |
Steve French | 131afd0b | 2005-10-07 09:51:05 -0700 | [diff] [blame] | 102 | "\n%d) Name: %s Domain: %s Mounts: %d OS: %s \n\tNOS: %s\tCapability: 0x%x\n\tSMB session status: %d\t", |
Steve French | b8643e1 | 2005-04-28 22:41:07 -0700 | [diff] [blame] | 103 | i, ses->serverName, ses->serverDomain, |
| 104 | atomic_read(&ses->inUse), |
| 105 | ses->serverOS, ses->serverNOS, |
| 106 | ses->capabilities,ses->status); |
Steve French | 433dc24 | 2005-04-28 22:41:08 -0700 | [diff] [blame] | 107 | buf += length; |
| 108 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | if(ses->server) { |
Steve French | 131afd0b | 2005-10-07 09:51:05 -0700 | [diff] [blame] | 110 | buf += sprintf(buf, "TCP status: %d\n\tLocal Users To Server: %d SecMode: 0x%x Req On Wire: %d", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | ses->server->tcpStatus, |
| 112 | atomic_read(&ses->server->socketUseCount), |
| 113 | ses->server->secMode, |
| 114 | atomic_read(&ses->server->inFlight)); |
Steve French | 131afd0b | 2005-10-07 09:51:05 -0700 | [diff] [blame] | 115 | |
| 116 | #ifdef CONFIG_CIFS_STATS2 |
Steve French | 68058e7 | 2005-10-10 10:34:22 -0700 | [diff] [blame] | 117 | buf += sprintf(buf, " In Send: %d In MaxReq Wait: %d", |
Steve French | 131afd0b | 2005-10-07 09:51:05 -0700 | [diff] [blame] | 118 | atomic_read(&ses->server->inSend), |
| 119 | atomic_read(&ses->server->num_waiters)); |
| 120 | #endif |
| 121 | |
Steve French | 6c91d36 | 2005-04-28 22:41:06 -0700 | [diff] [blame] | 122 | length = sprintf(buf, "\nMIDs:\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | buf += length; |
| 124 | |
| 125 | spin_lock(&GlobalMid_Lock); |
| 126 | list_for_each(tmp1, &ses->server->pending_mid_q) { |
| 127 | mid_entry = list_entry(tmp1, struct |
| 128 | mid_q_entry, |
| 129 | qhead); |
| 130 | if(mid_entry) { |
Steve French | 848f3fc | 2005-04-28 22:41:07 -0700 | [diff] [blame] | 131 | length = sprintf(buf,"State: %d com: %d pid: %d tsk: %p mid %d\n", |
| 132 | mid_entry->midState, |
| 133 | (int)mid_entry->command, |
| 134 | mid_entry->pid, |
| 135 | mid_entry->tsk, |
| 136 | mid_entry->mid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | buf += length; |
| 138 | } |
| 139 | } |
| 140 | spin_unlock(&GlobalMid_Lock); |
| 141 | } |
| 142 | |
| 143 | } |
| 144 | read_unlock(&GlobalSMBSeslock); |
| 145 | sprintf(buf, "\n"); |
| 146 | buf++; |
| 147 | |
Steve French | 6c91d36 | 2005-04-28 22:41:06 -0700 | [diff] [blame] | 148 | length = sprintf(buf, "Shares:"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | buf += length; |
| 150 | |
| 151 | i = 0; |
| 152 | read_lock(&GlobalSMBSeslock); |
| 153 | list_for_each(tmp, &GlobalTreeConnectionList) { |
| 154 | __u32 dev_type; |
| 155 | i++; |
| 156 | tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList); |
| 157 | dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType); |
| 158 | length = |
| 159 | sprintf(buf, |
Steve French | 131afd0b | 2005-10-07 09:51:05 -0700 | [diff] [blame] | 160 | "\n%d) %s Uses: %d Type: %s DevInfo: 0x%x Attributes: 0x%x\nPathComponentMax: %d Status: %d", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | i, tcon->treeName, |
| 162 | atomic_read(&tcon->useCount), |
| 163 | tcon->nativeFileSystem, |
| 164 | le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics), |
| 165 | le32_to_cpu(tcon->fsAttrInfo.Attributes), |
| 166 | le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength), |
| 167 | tcon->tidStatus); |
| 168 | buf += length; |
| 169 | if (dev_type == FILE_DEVICE_DISK) |
| 170 | length = sprintf(buf, " type: DISK "); |
| 171 | else if (dev_type == FILE_DEVICE_CD_ROM) |
| 172 | length = sprintf(buf, " type: CDROM "); |
| 173 | else |
| 174 | length = |
| 175 | sprintf(buf, " type: %d ", dev_type); |
| 176 | buf += length; |
| 177 | if(tcon->tidStatus == CifsNeedReconnect) { |
| 178 | buf += sprintf(buf, "\tDISCONNECTED "); |
| 179 | length += 14; |
| 180 | } |
| 181 | } |
| 182 | read_unlock(&GlobalSMBSeslock); |
| 183 | |
| 184 | length = sprintf(buf, "\n"); |
| 185 | buf += length; |
| 186 | |
| 187 | /* BB add code to dump additional info such as TCP session info now */ |
| 188 | /* Now calculate total size of returned data */ |
| 189 | length = buf - original_buf; |
| 190 | |
| 191 | if(offset + count >= length) |
| 192 | *eof = 1; |
| 193 | if(length < offset) { |
| 194 | *eof = 1; |
| 195 | return 0; |
| 196 | } else { |
| 197 | length = length - offset; |
| 198 | } |
| 199 | if (length > count) |
| 200 | length = count; |
| 201 | |
| 202 | return length; |
| 203 | } |
| 204 | |
| 205 | #ifdef CONFIG_CIFS_STATS |
Steve French | 1047abc | 2005-10-11 19:58:06 -0700 | [diff] [blame] | 206 | |
| 207 | static int |
| 208 | cifs_stats_write(struct file *file, const char __user *buffer, |
| 209 | unsigned long count, void *data) |
| 210 | { |
| 211 | char c; |
| 212 | int rc; |
| 213 | struct list_head *tmp; |
| 214 | struct cifsTconInfo *tcon; |
| 215 | |
| 216 | rc = get_user(c, buffer); |
| 217 | if (rc) |
| 218 | return rc; |
| 219 | |
Steve French | 47c786e | 2005-10-11 20:03:18 -0700 | [diff] [blame] | 220 | if (c == '1' || c == 'y' || c == 'Y' || c == '0') { |
Steve French | 1047abc | 2005-10-11 19:58:06 -0700 | [diff] [blame] | 221 | read_lock(&GlobalSMBSeslock); |
Steve French | 4498eed5 | 2005-12-03 13:58:57 -0800 | [diff] [blame^] | 222 | #ifdef CONFIG_CIFS_STATS2 |
| 223 | atomic_set(&totBufAllocCount, 0); |
| 224 | atomic_set(&totSmBufAllocCount, 0); |
| 225 | #endif /* CONFIG_CIFS_STATS2 */ |
Steve French | 1047abc | 2005-10-11 19:58:06 -0700 | [diff] [blame] | 226 | list_for_each(tmp, &GlobalTreeConnectionList) { |
| 227 | tcon = list_entry(tmp, struct cifsTconInfo, |
| 228 | cifsConnectionList); |
| 229 | atomic_set(&tcon->num_smbs_sent, 0); |
| 230 | atomic_set(&tcon->num_writes, 0); |
| 231 | atomic_set(&tcon->num_reads, 0); |
| 232 | atomic_set(&tcon->num_oplock_brks, 0); |
| 233 | atomic_set(&tcon->num_opens, 0); |
| 234 | atomic_set(&tcon->num_closes, 0); |
| 235 | atomic_set(&tcon->num_deletes, 0); |
| 236 | atomic_set(&tcon->num_mkdirs, 0); |
| 237 | atomic_set(&tcon->num_rmdirs, 0); |
| 238 | atomic_set(&tcon->num_renames, 0); |
| 239 | atomic_set(&tcon->num_t2renames, 0); |
| 240 | atomic_set(&tcon->num_ffirst, 0); |
| 241 | atomic_set(&tcon->num_fnext, 0); |
| 242 | atomic_set(&tcon->num_fclose, 0); |
| 243 | atomic_set(&tcon->num_hardlinks, 0); |
| 244 | atomic_set(&tcon->num_symlinks, 0); |
| 245 | atomic_set(&tcon->num_locks, 0); |
| 246 | } |
| 247 | read_unlock(&GlobalSMBSeslock); |
| 248 | } |
| 249 | |
| 250 | return count; |
| 251 | } |
| 252 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | static int |
| 254 | cifs_stats_read(char *buf, char **beginBuffer, off_t offset, |
| 255 | int count, int *eof, void *data) |
| 256 | { |
| 257 | int item_length,i,length; |
| 258 | struct list_head *tmp; |
| 259 | struct cifsTconInfo *tcon; |
| 260 | |
| 261 | *beginBuffer = buf + offset; |
| 262 | |
| 263 | length = sprintf(buf, |
| 264 | "Resources in use\nCIFS Session: %d\n", |
| 265 | sesInfoAllocCount.counter); |
| 266 | buf += length; |
| 267 | item_length = |
| 268 | sprintf(buf,"Share (unique mount targets): %d\n", |
| 269 | tconInfoAllocCount.counter); |
| 270 | length += item_length; |
| 271 | buf += item_length; |
| 272 | item_length = |
| 273 | sprintf(buf,"SMB Request/Response Buffer: %d Pool size: %d\n", |
Steve French | b8643e1 | 2005-04-28 22:41:07 -0700 | [diff] [blame] | 274 | bufAllocCount.counter, |
| 275 | cifs_min_rcv + tcpSesAllocCount.counter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 276 | length += item_length; |
| 277 | buf += item_length; |
| 278 | item_length = |
| 279 | sprintf(buf,"SMB Small Req/Resp Buffer: %d Pool size: %d\n", |
| 280 | smBufAllocCount.counter,cifs_min_small); |
| 281 | length += item_length; |
| 282 | buf += item_length; |
| 283 | item_length = |
| 284 | sprintf(buf,"Operations (MIDs): %d\n", |
| 285 | midCount.counter); |
| 286 | length += item_length; |
| 287 | buf += item_length; |
| 288 | item_length = sprintf(buf, |
| 289 | "\n%d session %d share reconnects\n", |
| 290 | tcpSesReconnectCount.counter,tconInfoReconnectCount.counter); |
| 291 | length += item_length; |
| 292 | buf += item_length; |
| 293 | |
| 294 | item_length = sprintf(buf, |
| 295 | "Total vfs operations: %d maximum at one time: %d\n", |
| 296 | GlobalCurrentXid,GlobalMaxActiveXid); |
| 297 | length += item_length; |
| 298 | buf += item_length; |
| 299 | |
| 300 | i = 0; |
| 301 | read_lock(&GlobalSMBSeslock); |
| 302 | list_for_each(tmp, &GlobalTreeConnectionList) { |
| 303 | i++; |
| 304 | tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList); |
| 305 | item_length = sprintf(buf,"\n%d) %s",i, tcon->treeName); |
| 306 | buf += item_length; |
| 307 | length += item_length; |
| 308 | if(tcon->tidStatus == CifsNeedReconnect) { |
| 309 | buf += sprintf(buf, "\tDISCONNECTED "); |
| 310 | length += 14; |
| 311 | } |
Steve French | a5a2b48 | 2005-08-20 21:42:53 -0700 | [diff] [blame] | 312 | item_length = sprintf(buf, "\nSMBs: %d Oplock Breaks: %d", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | atomic_read(&tcon->num_smbs_sent), |
| 314 | atomic_read(&tcon->num_oplock_brks)); |
| 315 | buf += item_length; |
| 316 | length += item_length; |
Steve French | 0ae0efa | 2005-10-10 10:57:19 -0700 | [diff] [blame] | 317 | item_length = sprintf(buf, "\nReads: %d Bytes: %lld", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | atomic_read(&tcon->num_reads), |
| 319 | (long long)(tcon->bytes_read)); |
| 320 | buf += item_length; |
| 321 | length += item_length; |
Steve French | a5a2b48 | 2005-08-20 21:42:53 -0700 | [diff] [blame] | 322 | item_length = sprintf(buf, "\nWrites: %d Bytes: %lld", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | atomic_read(&tcon->num_writes), |
| 324 | (long long)(tcon->bytes_written)); |
Steve French | a5a2b48 | 2005-08-20 21:42:53 -0700 | [diff] [blame] | 325 | buf += item_length; |
| 326 | length += item_length; |
| 327 | item_length = sprintf(buf, |
| 328 | "\nLocks: %d HardLinks: %d Symlinks: %d", |
| 329 | atomic_read(&tcon->num_locks), |
| 330 | atomic_read(&tcon->num_hardlinks), |
| 331 | atomic_read(&tcon->num_symlinks)); |
| 332 | buf += item_length; |
| 333 | length += item_length; |
| 334 | |
| 335 | item_length = sprintf(buf, "\nOpens: %d Closes: %d Deletes: %d", |
| 336 | atomic_read(&tcon->num_opens), |
| 337 | atomic_read(&tcon->num_closes), |
| 338 | atomic_read(&tcon->num_deletes)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 339 | buf += item_length; |
| 340 | length += item_length; |
Steve French | a5a2b48 | 2005-08-20 21:42:53 -0700 | [diff] [blame] | 341 | item_length = sprintf(buf, "\nMkdirs: %d Rmdirs: %d", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 342 | atomic_read(&tcon->num_mkdirs), |
| 343 | atomic_read(&tcon->num_rmdirs)); |
| 344 | buf += item_length; |
| 345 | length += item_length; |
Steve French | a5a2b48 | 2005-08-20 21:42:53 -0700 | [diff] [blame] | 346 | item_length = sprintf(buf, "\nRenames: %d T2 Renames %d", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 347 | atomic_read(&tcon->num_renames), |
| 348 | atomic_read(&tcon->num_t2renames)); |
| 349 | buf += item_length; |
| 350 | length += item_length; |
Steve French | a5a2b48 | 2005-08-20 21:42:53 -0700 | [diff] [blame] | 351 | item_length = sprintf(buf, "\nFindFirst: %d FNext %d FClose %d", |
Steve French | 0c0ff09 | 2005-06-23 19:31:17 -0500 | [diff] [blame] | 352 | atomic_read(&tcon->num_ffirst), |
| 353 | atomic_read(&tcon->num_fnext), |
| 354 | atomic_read(&tcon->num_fclose)); |
| 355 | buf += item_length; |
| 356 | length += item_length; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | } |
| 358 | read_unlock(&GlobalSMBSeslock); |
| 359 | |
| 360 | buf += sprintf(buf,"\n"); |
| 361 | length++; |
| 362 | |
| 363 | if(offset + count >= length) |
| 364 | *eof = 1; |
| 365 | if(length < offset) { |
| 366 | *eof = 1; |
| 367 | return 0; |
| 368 | } else { |
| 369 | length = length - offset; |
| 370 | } |
| 371 | if (length > count) |
| 372 | length = count; |
| 373 | |
| 374 | return length; |
| 375 | } |
| 376 | #endif |
| 377 | |
| 378 | static struct proc_dir_entry *proc_fs_cifs; |
| 379 | read_proc_t cifs_txanchor_read; |
| 380 | static read_proc_t cifsFYI_read; |
| 381 | static write_proc_t cifsFYI_write; |
| 382 | static read_proc_t oplockEnabled_read; |
| 383 | static write_proc_t oplockEnabled_write; |
| 384 | static read_proc_t lookupFlag_read; |
| 385 | static write_proc_t lookupFlag_write; |
| 386 | static read_proc_t traceSMB_read; |
| 387 | static write_proc_t traceSMB_write; |
| 388 | static read_proc_t multiuser_mount_read; |
| 389 | static write_proc_t multiuser_mount_write; |
| 390 | static read_proc_t extended_security_read; |
| 391 | static write_proc_t extended_security_write; |
| 392 | static read_proc_t ntlmv2_enabled_read; |
| 393 | static write_proc_t ntlmv2_enabled_write; |
| 394 | static read_proc_t packet_signing_enabled_read; |
| 395 | static write_proc_t packet_signing_enabled_write; |
| 396 | static read_proc_t quotaEnabled_read; |
| 397 | static write_proc_t quotaEnabled_write; |
| 398 | static read_proc_t linuxExtensionsEnabled_read; |
| 399 | static write_proc_t linuxExtensionsEnabled_write; |
| 400 | |
| 401 | void |
| 402 | cifs_proc_init(void) |
| 403 | { |
| 404 | struct proc_dir_entry *pde; |
| 405 | |
| 406 | proc_fs_cifs = proc_mkdir("cifs", proc_root_fs); |
| 407 | if (proc_fs_cifs == NULL) |
| 408 | return; |
| 409 | |
| 410 | proc_fs_cifs->owner = THIS_MODULE; |
| 411 | create_proc_read_entry("DebugData", 0, proc_fs_cifs, |
| 412 | cifs_debug_data_read, NULL); |
| 413 | |
| 414 | #ifdef CONFIG_CIFS_STATS |
Steve French | 1047abc | 2005-10-11 19:58:06 -0700 | [diff] [blame] | 415 | pde = create_proc_read_entry("Stats", 0, proc_fs_cifs, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 416 | cifs_stats_read, NULL); |
Steve French | 1047abc | 2005-10-11 19:58:06 -0700 | [diff] [blame] | 417 | if (pde) |
| 418 | pde->write_proc = cifs_stats_write; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | #endif |
| 420 | pde = create_proc_read_entry("cifsFYI", 0, proc_fs_cifs, |
| 421 | cifsFYI_read, NULL); |
| 422 | if (pde) |
| 423 | pde->write_proc = cifsFYI_write; |
| 424 | |
| 425 | pde = |
| 426 | create_proc_read_entry("traceSMB", 0, proc_fs_cifs, |
| 427 | traceSMB_read, NULL); |
| 428 | if (pde) |
| 429 | pde->write_proc = traceSMB_write; |
| 430 | |
| 431 | pde = create_proc_read_entry("OplockEnabled", 0, proc_fs_cifs, |
| 432 | oplockEnabled_read, NULL); |
| 433 | if (pde) |
| 434 | pde->write_proc = oplockEnabled_write; |
| 435 | |
Steve French | 0c0ff09 | 2005-06-23 19:31:17 -0500 | [diff] [blame] | 436 | pde = create_proc_read_entry("Experimental", 0, proc_fs_cifs, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | quotaEnabled_read, NULL); |
| 438 | if (pde) |
| 439 | pde->write_proc = quotaEnabled_write; |
| 440 | |
| 441 | pde = create_proc_read_entry("LinuxExtensionsEnabled", 0, proc_fs_cifs, |
| 442 | linuxExtensionsEnabled_read, NULL); |
| 443 | if (pde) |
| 444 | pde->write_proc = linuxExtensionsEnabled_write; |
| 445 | |
| 446 | pde = |
| 447 | create_proc_read_entry("MultiuserMount", 0, proc_fs_cifs, |
| 448 | multiuser_mount_read, NULL); |
| 449 | if (pde) |
| 450 | pde->write_proc = multiuser_mount_write; |
| 451 | |
| 452 | pde = |
| 453 | create_proc_read_entry("ExtendedSecurity", 0, proc_fs_cifs, |
| 454 | extended_security_read, NULL); |
| 455 | if (pde) |
| 456 | pde->write_proc = extended_security_write; |
| 457 | |
| 458 | pde = |
| 459 | create_proc_read_entry("LookupCacheEnabled", 0, proc_fs_cifs, |
| 460 | lookupFlag_read, NULL); |
| 461 | if (pde) |
| 462 | pde->write_proc = lookupFlag_write; |
| 463 | |
| 464 | pde = |
| 465 | create_proc_read_entry("NTLMV2Enabled", 0, proc_fs_cifs, |
| 466 | ntlmv2_enabled_read, NULL); |
| 467 | if (pde) |
| 468 | pde->write_proc = ntlmv2_enabled_write; |
| 469 | |
| 470 | pde = |
| 471 | create_proc_read_entry("PacketSigningEnabled", 0, proc_fs_cifs, |
| 472 | packet_signing_enabled_read, NULL); |
| 473 | if (pde) |
| 474 | pde->write_proc = packet_signing_enabled_write; |
| 475 | } |
| 476 | |
| 477 | void |
| 478 | cifs_proc_clean(void) |
| 479 | { |
| 480 | if (proc_fs_cifs == NULL) |
| 481 | return; |
| 482 | |
| 483 | remove_proc_entry("DebugData", proc_fs_cifs); |
| 484 | remove_proc_entry("cifsFYI", proc_fs_cifs); |
| 485 | remove_proc_entry("traceSMB", proc_fs_cifs); |
| 486 | #ifdef CONFIG_CIFS_STATS |
| 487 | remove_proc_entry("Stats", proc_fs_cifs); |
| 488 | #endif |
| 489 | remove_proc_entry("MultiuserMount", proc_fs_cifs); |
| 490 | remove_proc_entry("OplockEnabled", proc_fs_cifs); |
| 491 | remove_proc_entry("NTLMV2Enabled",proc_fs_cifs); |
| 492 | remove_proc_entry("ExtendedSecurity",proc_fs_cifs); |
| 493 | remove_proc_entry("PacketSigningEnabled",proc_fs_cifs); |
| 494 | remove_proc_entry("LinuxExtensionsEnabled",proc_fs_cifs); |
Steve French | 0c0ff09 | 2005-06-23 19:31:17 -0500 | [diff] [blame] | 495 | remove_proc_entry("Experimental",proc_fs_cifs); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | remove_proc_entry("LookupCacheEnabled",proc_fs_cifs); |
| 497 | remove_proc_entry("cifs", proc_root_fs); |
| 498 | } |
| 499 | |
| 500 | static int |
| 501 | cifsFYI_read(char *page, char **start, off_t off, int count, |
| 502 | int *eof, void *data) |
| 503 | { |
| 504 | int len; |
| 505 | |
| 506 | len = sprintf(page, "%d\n", cifsFYI); |
| 507 | |
| 508 | len -= off; |
| 509 | *start = page + off; |
| 510 | |
| 511 | if (len > count) |
| 512 | len = count; |
| 513 | else |
| 514 | *eof = 1; |
| 515 | |
| 516 | if (len < 0) |
| 517 | len = 0; |
| 518 | |
| 519 | return len; |
| 520 | } |
| 521 | static int |
| 522 | cifsFYI_write(struct file *file, const char __user *buffer, |
| 523 | unsigned long count, void *data) |
| 524 | { |
| 525 | char c; |
| 526 | int rc; |
| 527 | |
| 528 | rc = get_user(c, buffer); |
| 529 | if (rc) |
| 530 | return rc; |
| 531 | if (c == '0' || c == 'n' || c == 'N') |
| 532 | cifsFYI = 0; |
| 533 | else if (c == '1' || c == 'y' || c == 'Y') |
| 534 | cifsFYI = 1; |
Steve French | 1047abc | 2005-10-11 19:58:06 -0700 | [diff] [blame] | 535 | else if((c > '1') && (c <= '9')) |
| 536 | cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | |
| 538 | return count; |
| 539 | } |
| 540 | |
| 541 | static int |
| 542 | oplockEnabled_read(char *page, char **start, off_t off, |
| 543 | int count, int *eof, void *data) |
| 544 | { |
| 545 | int len; |
| 546 | |
| 547 | len = sprintf(page, "%d\n", oplockEnabled); |
| 548 | |
| 549 | len -= off; |
| 550 | *start = page + off; |
| 551 | |
| 552 | if (len > count) |
| 553 | len = count; |
| 554 | else |
| 555 | *eof = 1; |
| 556 | |
| 557 | if (len < 0) |
| 558 | len = 0; |
| 559 | |
| 560 | return len; |
| 561 | } |
| 562 | static int |
| 563 | oplockEnabled_write(struct file *file, const char __user *buffer, |
| 564 | unsigned long count, void *data) |
| 565 | { |
| 566 | char c; |
| 567 | int rc; |
| 568 | |
| 569 | rc = get_user(c, buffer); |
| 570 | if (rc) |
| 571 | return rc; |
| 572 | if (c == '0' || c == 'n' || c == 'N') |
| 573 | oplockEnabled = 0; |
| 574 | else if (c == '1' || c == 'y' || c == 'Y') |
| 575 | oplockEnabled = 1; |
| 576 | |
| 577 | return count; |
| 578 | } |
| 579 | |
| 580 | static int |
| 581 | quotaEnabled_read(char *page, char **start, off_t off, |
| 582 | int count, int *eof, void *data) |
| 583 | { |
| 584 | int len; |
| 585 | |
| 586 | len = sprintf(page, "%d\n", experimEnabled); |
| 587 | /* could also check if quotas are enabled in kernel |
| 588 | as a whole first */ |
| 589 | len -= off; |
| 590 | *start = page + off; |
| 591 | |
| 592 | if (len > count) |
| 593 | len = count; |
| 594 | else |
| 595 | *eof = 1; |
| 596 | |
| 597 | if (len < 0) |
| 598 | len = 0; |
| 599 | |
| 600 | return len; |
| 601 | } |
| 602 | static int |
| 603 | quotaEnabled_write(struct file *file, const char __user *buffer, |
| 604 | unsigned long count, void *data) |
| 605 | { |
| 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 | experimEnabled = 0; |
| 614 | else if (c == '1' || c == 'y' || c == 'Y') |
| 615 | experimEnabled = 1; |
| 616 | |
| 617 | return count; |
| 618 | } |
| 619 | |
| 620 | static int |
| 621 | linuxExtensionsEnabled_read(char *page, char **start, off_t off, |
| 622 | int count, int *eof, void *data) |
| 623 | { |
| 624 | int len; |
| 625 | |
| 626 | len = sprintf(page, "%d\n", linuxExtEnabled); |
| 627 | /* could also check if quotas are enabled in kernel |
| 628 | as a whole first */ |
| 629 | len -= off; |
| 630 | *start = page + off; |
| 631 | |
| 632 | if (len > count) |
| 633 | len = count; |
| 634 | else |
| 635 | *eof = 1; |
| 636 | |
| 637 | if (len < 0) |
| 638 | len = 0; |
| 639 | |
| 640 | return len; |
| 641 | } |
| 642 | static int |
| 643 | linuxExtensionsEnabled_write(struct file *file, const char __user *buffer, |
| 644 | unsigned long count, void *data) |
| 645 | { |
| 646 | char c; |
| 647 | int rc; |
| 648 | |
| 649 | rc = get_user(c, buffer); |
| 650 | if (rc) |
| 651 | return rc; |
| 652 | if (c == '0' || c == 'n' || c == 'N') |
| 653 | linuxExtEnabled = 0; |
| 654 | else if (c == '1' || c == 'y' || c == 'Y') |
| 655 | linuxExtEnabled = 1; |
| 656 | |
| 657 | return count; |
| 658 | } |
| 659 | |
| 660 | |
| 661 | static int |
| 662 | lookupFlag_read(char *page, char **start, off_t off, |
| 663 | int count, int *eof, void *data) |
| 664 | { |
| 665 | int len; |
| 666 | |
| 667 | len = sprintf(page, "%d\n", lookupCacheEnabled); |
| 668 | |
| 669 | len -= off; |
| 670 | *start = page + off; |
| 671 | |
| 672 | if (len > count) |
| 673 | len = count; |
| 674 | else |
| 675 | *eof = 1; |
| 676 | |
| 677 | if (len < 0) |
| 678 | len = 0; |
| 679 | |
| 680 | return len; |
| 681 | } |
| 682 | static int |
| 683 | lookupFlag_write(struct file *file, const char __user *buffer, |
| 684 | unsigned long count, void *data) |
| 685 | { |
| 686 | char c; |
| 687 | int rc; |
| 688 | |
| 689 | rc = get_user(c, buffer); |
| 690 | if (rc) |
| 691 | return rc; |
| 692 | if (c == '0' || c == 'n' || c == 'N') |
| 693 | lookupCacheEnabled = 0; |
| 694 | else if (c == '1' || c == 'y' || c == 'Y') |
| 695 | lookupCacheEnabled = 1; |
| 696 | |
| 697 | return count; |
| 698 | } |
| 699 | static int |
| 700 | traceSMB_read(char *page, char **start, off_t off, int count, |
| 701 | int *eof, void *data) |
| 702 | { |
| 703 | int len; |
| 704 | |
| 705 | len = sprintf(page, "%d\n", traceSMB); |
| 706 | |
| 707 | len -= off; |
| 708 | *start = page + off; |
| 709 | |
| 710 | if (len > count) |
| 711 | len = count; |
| 712 | else |
| 713 | *eof = 1; |
| 714 | |
| 715 | if (len < 0) |
| 716 | len = 0; |
| 717 | |
| 718 | return len; |
| 719 | } |
| 720 | static int |
| 721 | traceSMB_write(struct file *file, const char __user *buffer, |
| 722 | unsigned long count, void *data) |
| 723 | { |
| 724 | char c; |
| 725 | int rc; |
| 726 | |
| 727 | rc = get_user(c, buffer); |
| 728 | if (rc) |
| 729 | return rc; |
| 730 | if (c == '0' || c == 'n' || c == 'N') |
| 731 | traceSMB = 0; |
| 732 | else if (c == '1' || c == 'y' || c == 'Y') |
| 733 | traceSMB = 1; |
| 734 | |
| 735 | return count; |
| 736 | } |
| 737 | |
| 738 | static int |
| 739 | multiuser_mount_read(char *page, char **start, off_t off, |
| 740 | int count, int *eof, void *data) |
| 741 | { |
| 742 | int len; |
| 743 | |
| 744 | len = sprintf(page, "%d\n", multiuser_mount); |
| 745 | |
| 746 | len -= off; |
| 747 | *start = page + off; |
| 748 | |
| 749 | if (len > count) |
| 750 | len = count; |
| 751 | else |
| 752 | *eof = 1; |
| 753 | |
| 754 | if (len < 0) |
| 755 | len = 0; |
| 756 | |
| 757 | return len; |
| 758 | } |
| 759 | static int |
| 760 | multiuser_mount_write(struct file *file, const char __user *buffer, |
| 761 | unsigned long count, void *data) |
| 762 | { |
| 763 | char c; |
| 764 | int rc; |
| 765 | |
| 766 | rc = get_user(c, buffer); |
| 767 | if (rc) |
| 768 | return rc; |
| 769 | if (c == '0' || c == 'n' || c == 'N') |
| 770 | multiuser_mount = 0; |
| 771 | else if (c == '1' || c == 'y' || c == 'Y') |
| 772 | multiuser_mount = 1; |
| 773 | |
| 774 | return count; |
| 775 | } |
| 776 | |
| 777 | static int |
| 778 | extended_security_read(char *page, char **start, off_t off, |
| 779 | int count, int *eof, void *data) |
| 780 | { |
| 781 | int len; |
| 782 | |
| 783 | len = sprintf(page, "%d\n", extended_security); |
| 784 | |
| 785 | len -= off; |
| 786 | *start = page + off; |
| 787 | |
| 788 | if (len > count) |
| 789 | len = count; |
| 790 | else |
| 791 | *eof = 1; |
| 792 | |
| 793 | if (len < 0) |
| 794 | len = 0; |
| 795 | |
| 796 | return len; |
| 797 | } |
| 798 | static int |
| 799 | extended_security_write(struct file *file, const char __user *buffer, |
| 800 | unsigned long count, void *data) |
| 801 | { |
| 802 | char c; |
| 803 | int rc; |
| 804 | |
| 805 | rc = get_user(c, buffer); |
| 806 | if (rc) |
| 807 | return rc; |
| 808 | if (c == '0' || c == 'n' || c == 'N') |
| 809 | extended_security = 0; |
| 810 | else if (c == '1' || c == 'y' || c == 'Y') |
| 811 | extended_security = 1; |
| 812 | |
| 813 | return count; |
| 814 | } |
| 815 | |
| 816 | static int |
| 817 | ntlmv2_enabled_read(char *page, char **start, off_t off, |
| 818 | int count, int *eof, void *data) |
| 819 | { |
| 820 | int len; |
| 821 | |
| 822 | len = sprintf(page, "%d\n", ntlmv2_support); |
| 823 | |
| 824 | len -= off; |
| 825 | *start = page + off; |
| 826 | |
| 827 | if (len > count) |
| 828 | len = count; |
| 829 | else |
| 830 | *eof = 1; |
| 831 | |
| 832 | if (len < 0) |
| 833 | len = 0; |
| 834 | |
| 835 | return len; |
| 836 | } |
| 837 | static int |
| 838 | ntlmv2_enabled_write(struct file *file, const char __user *buffer, |
| 839 | unsigned long count, void *data) |
| 840 | { |
| 841 | char c; |
| 842 | int rc; |
| 843 | |
| 844 | rc = get_user(c, buffer); |
| 845 | if (rc) |
| 846 | return rc; |
| 847 | if (c == '0' || c == 'n' || c == 'N') |
| 848 | ntlmv2_support = 0; |
| 849 | else if (c == '1' || c == 'y' || c == 'Y') |
| 850 | ntlmv2_support = 1; |
| 851 | |
| 852 | return count; |
| 853 | } |
| 854 | |
| 855 | static int |
| 856 | packet_signing_enabled_read(char *page, char **start, off_t off, |
| 857 | int count, int *eof, void *data) |
| 858 | { |
| 859 | int len; |
| 860 | |
| 861 | len = sprintf(page, "%d\n", sign_CIFS_PDUs); |
| 862 | |
| 863 | len -= off; |
| 864 | *start = page + off; |
| 865 | |
| 866 | if (len > count) |
| 867 | len = count; |
| 868 | else |
| 869 | *eof = 1; |
| 870 | |
| 871 | if (len < 0) |
| 872 | len = 0; |
| 873 | |
| 874 | return len; |
| 875 | } |
| 876 | static int |
| 877 | packet_signing_enabled_write(struct file *file, const char __user *buffer, |
| 878 | unsigned long count, void *data) |
| 879 | { |
| 880 | char c; |
| 881 | int rc; |
| 882 | |
| 883 | rc = get_user(c, buffer); |
| 884 | if (rc) |
| 885 | return rc; |
| 886 | if (c == '0' || c == 'n' || c == 'N') |
| 887 | sign_CIFS_PDUs = 0; |
| 888 | else if (c == '1' || c == 'y' || c == 'Y') |
| 889 | sign_CIFS_PDUs = 1; |
| 890 | else if (c == '2') |
| 891 | sign_CIFS_PDUs = 2; |
| 892 | |
| 893 | return count; |
| 894 | } |
| 895 | |
| 896 | |
| 897 | #endif |