blob: 0a3f9b594602341350afb79f27ba2cd8191468e8 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * ioctl.c
3 *
4 * Copyright (C) 1995, 1996 by Volker Lendecke
5 * Modified 1997 Peter Waltenberg, Bill Hawes, David Woodhouse for 2.1 dcache
6 * Modified 1998, 1999 Wolfram Pienkoss for NLS
7 *
8 */
9
Randy Dunlap16f7e0f2006-01-11 12:17:46 -080010#include <linux/capability.h>
Petr Vandrovec54f67f62006-09-30 23:27:55 -070011#include <linux/compat.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070012#include <linux/errno.h>
13#include <linux/fs.h>
14#include <linux/ioctl.h>
15#include <linux/time.h>
16#include <linux/mm.h>
Dave Hansena761a1c2008-02-15 14:37:39 -080017#include <linux/mount.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090018#include <linux/slab.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#include <linux/highuid.h>
20#include <linux/vmalloc.h>
Alexey Dobriyane8edc6e2007-05-21 01:22:52 +040021#include <linux/sched.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070022
Petr Vandrovec54f67f62006-09-30 23:27:55 -070023#include <asm/uaccess.h>
24
Al Viro32c419d2011-01-12 17:37:47 -050025#include "ncp_fs.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070026
27/* maximum limit for ncp_objectname_ioctl */
28#define NCP_OBJECT_NAME_MAX_LEN 4096
29/* maximum limit for ncp_privatedata_ioctl */
30#define NCP_PRIVATE_DATA_MAX_LEN 8192
31/* maximum negotiable packet size */
32#define NCP_PACKET_SIZE_INTERNAL 65536
33
34static int
Petr Vandrovec2e54eb92010-09-27 01:47:33 +020035ncp_get_fs_info(struct ncp_server * server, struct inode *inode,
Christoph Hellwig8c744fb2005-11-08 21:35:04 -080036 struct ncp_fs_info __user *arg)
Linus Torvalds1da177e2005-04-16 15:20:36 -070037{
38 struct ncp_fs_info info;
39
Linus Torvalds1da177e2005-04-16 15:20:36 -070040 if (copy_from_user(&info, arg, sizeof(info)))
41 return -EFAULT;
42
43 if (info.version != NCP_GET_FS_INFO_VERSION) {
Joe Perchesd3b73ca2014-04-08 16:04:15 -070044 ncp_dbg(1, "info.version invalid: %d\n", info.version);
Linus Torvalds1da177e2005-04-16 15:20:36 -070045 return -EINVAL;
46 }
47 /* TODO: info.addr = server->m.serv_addr; */
Eric W. Biederman1ac7fd82012-02-07 16:28:28 -080048 SET_UID(info.mounted_uid, from_kuid_munged(current_user_ns(), server->m.mounted_uid));
Linus Torvalds1da177e2005-04-16 15:20:36 -070049 info.connection = server->connection;
50 info.buffer_size = server->buffer_size;
51 info.volume_number = NCP_FINFO(inode)->volNumber;
52 info.directory_id = NCP_FINFO(inode)->DosDirNum;
53
54 if (copy_to_user(arg, &info, sizeof(info)))
55 return -EFAULT;
56 return 0;
57}
58
59static int
Petr Vandrovec2e54eb92010-09-27 01:47:33 +020060ncp_get_fs_info_v2(struct ncp_server * server, struct inode *inode,
Christoph Hellwig8c744fb2005-11-08 21:35:04 -080061 struct ncp_fs_info_v2 __user * arg)
Linus Torvalds1da177e2005-04-16 15:20:36 -070062{
63 struct ncp_fs_info_v2 info2;
64
Linus Torvalds1da177e2005-04-16 15:20:36 -070065 if (copy_from_user(&info2, arg, sizeof(info2)))
66 return -EFAULT;
67
68 if (info2.version != NCP_GET_FS_INFO_VERSION_V2) {
Joe Perchesd3b73ca2014-04-08 16:04:15 -070069 ncp_dbg(1, "info.version invalid: %d\n", info2.version);
Linus Torvalds1da177e2005-04-16 15:20:36 -070070 return -EINVAL;
71 }
Eric W. Biederman1ac7fd82012-02-07 16:28:28 -080072 info2.mounted_uid = from_kuid_munged(current_user_ns(), server->m.mounted_uid);
Linus Torvalds1da177e2005-04-16 15:20:36 -070073 info2.connection = server->connection;
74 info2.buffer_size = server->buffer_size;
75 info2.volume_number = NCP_FINFO(inode)->volNumber;
76 info2.directory_id = NCP_FINFO(inode)->DosDirNum;
77 info2.dummy1 = info2.dummy2 = info2.dummy3 = 0;
78
79 if (copy_to_user(arg, &info2, sizeof(info2)))
80 return -EFAULT;
81 return 0;
82}
83
Petr Vandrovec54f67f62006-09-30 23:27:55 -070084#ifdef CONFIG_COMPAT
85struct compat_ncp_objectname_ioctl
86{
87 s32 auth_type;
88 u32 object_name_len;
Frederik Schwarzer0211a9c2008-12-29 22:14:56 +010089 compat_caddr_t object_name; /* a userspace data, in most cases user name */
Petr Vandrovec54f67f62006-09-30 23:27:55 -070090};
91
92struct compat_ncp_fs_info_v2 {
93 s32 version;
94 u32 mounted_uid;
95 u32 connection;
96 u32 buffer_size;
97
98 u32 volume_number;
99 u32 directory_id;
100
101 u32 dummy1;
102 u32 dummy2;
103 u32 dummy3;
104};
105
106struct compat_ncp_ioctl_request {
107 u32 function;
108 u32 size;
109 compat_caddr_t data;
110};
111
112struct compat_ncp_privatedata_ioctl
113{
114 u32 len;
115 compat_caddr_t data; /* ~1000 for NDS */
116};
117
118#define NCP_IOC_GET_FS_INFO_V2_32 _IOWR('n', 4, struct compat_ncp_fs_info_v2)
119#define NCP_IOC_NCPREQUEST_32 _IOR('n', 1, struct compat_ncp_ioctl_request)
120#define NCP_IOC_GETOBJECTNAME_32 _IOWR('n', 9, struct compat_ncp_objectname_ioctl)
121#define NCP_IOC_SETOBJECTNAME_32 _IOR('n', 9, struct compat_ncp_objectname_ioctl)
122#define NCP_IOC_GETPRIVATEDATA_32 _IOWR('n', 10, struct compat_ncp_privatedata_ioctl)
123#define NCP_IOC_SETPRIVATEDATA_32 _IOR('n', 10, struct compat_ncp_privatedata_ioctl)
124
125static int
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200126ncp_get_compat_fs_info_v2(struct ncp_server * server, struct inode *inode,
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700127 struct compat_ncp_fs_info_v2 __user * arg)
128{
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700129 struct compat_ncp_fs_info_v2 info2;
130
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700131 if (copy_from_user(&info2, arg, sizeof(info2)))
132 return -EFAULT;
133
134 if (info2.version != NCP_GET_FS_INFO_VERSION_V2) {
Joe Perchesd3b73ca2014-04-08 16:04:15 -0700135 ncp_dbg(1, "info.version invalid: %d\n", info2.version);
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700136 return -EINVAL;
137 }
Eric W. Biederman1ac7fd82012-02-07 16:28:28 -0800138 info2.mounted_uid = from_kuid_munged(current_user_ns(), server->m.mounted_uid);
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700139 info2.connection = server->connection;
140 info2.buffer_size = server->buffer_size;
141 info2.volume_number = NCP_FINFO(inode)->volNumber;
142 info2.directory_id = NCP_FINFO(inode)->DosDirNum;
143 info2.dummy1 = info2.dummy2 = info2.dummy3 = 0;
144
145 if (copy_to_user(arg, &info2, sizeof(info2)))
146 return -EFAULT;
147 return 0;
148}
149#endif
150
151#define NCP_IOC_GETMOUNTUID16 _IOW('n', 2, u16)
152#define NCP_IOC_GETMOUNTUID32 _IOW('n', 2, u32)
153#define NCP_IOC_GETMOUNTUID64 _IOW('n', 2, u64)
154
Linus Torvalds1da177e2005-04-16 15:20:36 -0700155#ifdef CONFIG_NCPFS_NLS
156/* Here we are select the iocharset and the codepage for NLS.
157 * Thanks Petr Vandrovec for idea and many hints.
158 */
159static int
160ncp_set_charsets(struct ncp_server* server, struct ncp_nls_ioctl __user *arg)
161{
162 struct ncp_nls_ioctl user;
163 struct nls_table *codepage;
164 struct nls_table *iocharset;
165 struct nls_table *oldset_io;
166 struct nls_table *oldset_cp;
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200167 int utf8;
168 int err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169
170 if (copy_from_user(&user, arg, sizeof(user)))
171 return -EFAULT;
172
173 codepage = NULL;
174 user.codepage[NCP_IOCSNAME_LEN] = 0;
175 if (!user.codepage[0] || !strcmp(user.codepage, "default"))
176 codepage = load_nls_default();
177 else {
178 codepage = load_nls(user.codepage);
179 if (!codepage) {
180 return -EBADRQC;
181 }
182 }
183
184 iocharset = NULL;
185 user.iocharset[NCP_IOCSNAME_LEN] = 0;
186 if (!user.iocharset[0] || !strcmp(user.iocharset, "default")) {
187 iocharset = load_nls_default();
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200188 utf8 = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189 } else if (!strcmp(user.iocharset, "utf8")) {
190 iocharset = load_nls_default();
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200191 utf8 = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192 } else {
193 iocharset = load_nls(user.iocharset);
194 if (!iocharset) {
195 unload_nls(codepage);
196 return -EBADRQC;
197 }
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200198 utf8 = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199 }
200
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200201 mutex_lock(&server->root_setup_lock);
202 if (server->root_setuped) {
203 oldset_cp = codepage;
204 oldset_io = iocharset;
205 err = -EBUSY;
206 } else {
207 if (utf8)
208 NCP_SET_FLAG(server, NCP_FLAG_UTF8);
209 else
210 NCP_CLR_FLAG(server, NCP_FLAG_UTF8);
211 oldset_cp = server->nls_vol;
212 server->nls_vol = codepage;
213 oldset_io = server->nls_io;
214 server->nls_io = iocharset;
215 err = 0;
216 }
217 mutex_unlock(&server->root_setup_lock);
Thomas Gleixner6d729e42009-08-16 21:05:08 +0000218 unload_nls(oldset_cp);
219 unload_nls(oldset_io);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200221 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700222}
223
224static int
225ncp_get_charsets(struct ncp_server* server, struct ncp_nls_ioctl __user *arg)
226{
227 struct ncp_nls_ioctl user;
228 int len;
229
230 memset(&user, 0, sizeof(user));
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200231 mutex_lock(&server->root_setup_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232 if (server->nls_vol && server->nls_vol->charset) {
233 len = strlen(server->nls_vol->charset);
234 if (len > NCP_IOCSNAME_LEN)
235 len = NCP_IOCSNAME_LEN;
236 strncpy(user.codepage, server->nls_vol->charset, len);
237 user.codepage[len] = 0;
238 }
239
240 if (NCP_IS_FLAG(server, NCP_FLAG_UTF8))
241 strcpy(user.iocharset, "utf8");
242 else if (server->nls_io && server->nls_io->charset) {
243 len = strlen(server->nls_io->charset);
244 if (len > NCP_IOCSNAME_LEN)
245 len = NCP_IOCSNAME_LEN;
246 strncpy(user.iocharset, server->nls_io->charset, len);
247 user.iocharset[len] = 0;
248 }
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200249 mutex_unlock(&server->root_setup_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700250
251 if (copy_to_user(arg, &user, sizeof(user)))
252 return -EFAULT;
253 return 0;
254}
255#endif /* CONFIG_NCPFS_NLS */
256
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200257static long __ncp_ioctl(struct inode *inode, unsigned int cmd, unsigned long arg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700258{
259 struct ncp_server *server = NCP_SERVER(inode);
260 int result;
261 struct ncp_ioctl_request request;
262 char* bouncebuffer;
263 void __user *argp = (void __user *)arg;
264
265 switch (cmd) {
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700266#ifdef CONFIG_COMPAT
267 case NCP_IOC_NCPREQUEST_32:
268#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700269 case NCP_IOC_NCPREQUEST:
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700270#ifdef CONFIG_COMPAT
271 if (cmd == NCP_IOC_NCPREQUEST_32) {
272 struct compat_ncp_ioctl_request request32;
273 if (copy_from_user(&request32, argp, sizeof(request32)))
274 return -EFAULT;
275 request.function = request32.function;
276 request.size = request32.size;
277 request.data = compat_ptr(request32.data);
278 } else
279#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700280 if (copy_from_user(&request, argp, sizeof(request)))
281 return -EFAULT;
282
283 if ((request.function > 255)
284 || (request.size >
285 NCP_PACKET_SIZE - sizeof(struct ncp_request_header))) {
286 return -EINVAL;
287 }
288 bouncebuffer = vmalloc(NCP_PACKET_SIZE_INTERNAL);
289 if (!bouncebuffer)
290 return -ENOMEM;
291 if (copy_from_user(bouncebuffer, request.data, request.size)) {
292 vfree(bouncebuffer);
293 return -EFAULT;
294 }
295 ncp_lock_server(server);
296
297 /* FIXME: We hack around in the server's structures
298 here to be able to use ncp_request */
299
300 server->has_subfunction = 0;
301 server->current_size = request.size;
302 memcpy(server->packet, bouncebuffer, request.size);
303
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200304 result = ncp_request2(server, request.function,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305 bouncebuffer, NCP_PACKET_SIZE_INTERNAL);
306 if (result < 0)
307 result = -EIO;
308 else
309 result = server->reply_size;
310 ncp_unlock_server(server);
Joe Perchesd3b73ca2014-04-08 16:04:15 -0700311 ncp_dbg(1, "copy %d bytes\n", result);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700312 if (result >= 0)
313 if (copy_to_user(request.data, bouncebuffer, result))
314 result = -EFAULT;
315 vfree(bouncebuffer);
316 return result;
317
318 case NCP_IOC_CONN_LOGGED_IN:
319
Linus Torvalds1da177e2005-04-16 15:20:36 -0700320 if (!(server->m.int_flags & NCP_IMOUNT_LOGGEDIN_POSSIBLE))
321 return -EINVAL;
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200322 mutex_lock(&server->root_setup_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700323 if (server->root_setuped)
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200324 result = -EBUSY;
325 else {
326 result = ncp_conn_logged_in(inode->i_sb);
327 if (result == 0)
328 server->root_setuped = 1;
329 }
330 mutex_unlock(&server->root_setup_lock);
331 return result;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700332
333 case NCP_IOC_GET_FS_INFO:
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200334 return ncp_get_fs_info(server, inode, argp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700335
336 case NCP_IOC_GET_FS_INFO_V2:
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200337 return ncp_get_fs_info_v2(server, inode, argp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700338
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700339#ifdef CONFIG_COMPAT
340 case NCP_IOC_GET_FS_INFO_V2_32:
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200341 return ncp_get_compat_fs_info_v2(server, inode, argp);
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700342#endif
343 /* we have too many combinations of CONFIG_COMPAT,
344 * CONFIG_64BIT and CONFIG_UID16, so just handle
345 * any of the possible ioctls */
346 case NCP_IOC_GETMOUNTUID16:
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200347 {
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700348 u16 uid;
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200349
Eric W. Biederman1ac7fd82012-02-07 16:28:28 -0800350 SET_UID(uid, from_kuid_munged(current_user_ns(), server->m.mounted_uid));
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700351 if (put_user(uid, (u16 __user *)argp))
352 return -EFAULT;
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200353 return 0;
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700354 }
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200355 case NCP_IOC_GETMOUNTUID32:
Eric W. Biederman1ac7fd82012-02-07 16:28:28 -0800356 {
357 uid_t uid = from_kuid_munged(current_user_ns(), server->m.mounted_uid);
358 if (put_user(uid, (u32 __user *)argp))
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200359 return -EFAULT;
360 return 0;
Eric W. Biederman1ac7fd82012-02-07 16:28:28 -0800361 }
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200362 case NCP_IOC_GETMOUNTUID64:
Eric W. Biederman1ac7fd82012-02-07 16:28:28 -0800363 {
364 uid_t uid = from_kuid_munged(current_user_ns(), server->m.mounted_uid);
365 if (put_user(uid, (u64 __user *)argp))
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200366 return -EFAULT;
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700367 return 0;
Eric W. Biederman1ac7fd82012-02-07 16:28:28 -0800368 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700369 case NCP_IOC_GETROOT:
370 {
371 struct ncp_setroot_ioctl sr;
372
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200373 result = -EACCES;
374 mutex_lock(&server->root_setup_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700375 if (server->m.mounted_vol[0]) {
376 struct dentry* dentry = inode->i_sb->s_root;
377
378 if (dentry) {
David Howells2b0143b2015-03-17 22:25:59 +0000379 struct inode* s_inode = d_inode(dentry);
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200380
Harvey Harrison305787e2008-04-28 02:14:00 -0700381 if (s_inode) {
382 sr.volNumber = NCP_FINFO(s_inode)->volNumber;
383 sr.dirEntNum = NCP_FINFO(s_inode)->dirEntNum;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700384 sr.namespace = server->name_space[sr.volNumber];
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200385 result = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700386 } else
David Howells2b0143b2015-03-17 22:25:59 +0000387 ncp_dbg(1, "d_inode(s_root)==NULL\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700388 } else
Joe Perchesd3b73ca2014-04-08 16:04:15 -0700389 ncp_dbg(1, "s_root==NULL\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700390 } else {
391 sr.volNumber = -1;
392 sr.namespace = 0;
393 sr.dirEntNum = 0;
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200394 result = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700395 }
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200396 mutex_unlock(&server->root_setup_lock);
397 if (!result && copy_to_user(argp, &sr, sizeof(sr)))
398 result = -EFAULT;
399 return result;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700400 }
David Howells48937022008-11-14 10:38:58 +1100401
Linus Torvalds1da177e2005-04-16 15:20:36 -0700402 case NCP_IOC_SETROOT:
403 {
404 struct ncp_setroot_ioctl sr;
405 __u32 vnum;
406 __le32 de;
407 __le32 dosde;
408 struct dentry* dentry;
409
Linus Torvalds1da177e2005-04-16 15:20:36 -0700410 if (copy_from_user(&sr, argp, sizeof(sr)))
411 return -EFAULT;
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200412 mutex_lock(&server->root_setup_lock);
413 if (server->root_setuped)
414 result = -EBUSY;
415 else {
416 if (sr.volNumber < 0) {
417 server->m.mounted_vol[0] = 0;
418 vnum = NCP_NUMBER_OF_VOLUMES;
419 de = 0;
420 dosde = 0;
421 result = 0;
422 } else if (sr.volNumber >= NCP_NUMBER_OF_VOLUMES) {
423 result = -EINVAL;
424 } else if (ncp_mount_subdir(server, sr.volNumber,
425 sr.namespace, sr.dirEntNum,
426 &vnum, &de, &dosde)) {
427 result = -ENOENT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428 } else
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200429 result = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700430
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200431 if (result == 0) {
432 dentry = inode->i_sb->s_root;
433 if (dentry) {
David Howells2b0143b2015-03-17 22:25:59 +0000434 struct inode* s_inode = d_inode(dentry);
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200435
436 if (s_inode) {
437 NCP_FINFO(s_inode)->volNumber = vnum;
438 NCP_FINFO(s_inode)->dirEntNum = de;
439 NCP_FINFO(s_inode)->DosDirNum = dosde;
440 server->root_setuped = 1;
441 } else {
David Howells2b0143b2015-03-17 22:25:59 +0000442 ncp_dbg(1, "d_inode(s_root)==NULL\n");
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200443 result = -EIO;
444 }
445 } else {
Joe Perchesd3b73ca2014-04-08 16:04:15 -0700446 ncp_dbg(1, "s_root==NULL\n");
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200447 result = -EIO;
448 }
449 }
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200450 }
451 mutex_unlock(&server->root_setup_lock);
452
453 return result;
454 }
455
456#ifdef CONFIG_NCPFS_PACKET_SIGNING
457 case NCP_IOC_SIGN_INIT:
458 {
459 struct ncp_sign_init sign;
460
461 if (argp)
462 if (copy_from_user(&sign, argp, sizeof(sign)))
463 return -EFAULT;
464 ncp_lock_server(server);
465 mutex_lock(&server->rcv.creq_mutex);
466 if (argp) {
467 if (server->sign_wanted) {
468 memcpy(server->sign_root,sign.sign_root,8);
469 memcpy(server->sign_last,sign.sign_last,16);
470 server->sign_active = 1;
471 }
472 /* ignore when signatures not wanted */
473 } else {
474 server->sign_active = 0;
475 }
476 mutex_unlock(&server->rcv.creq_mutex);
477 ncp_unlock_server(server);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700478 return 0;
479 }
480
Linus Torvalds1da177e2005-04-16 15:20:36 -0700481 case NCP_IOC_SIGN_WANTED:
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200482 {
483 int state;
484
485 ncp_lock_server(server);
486 state = server->sign_wanted;
487 ncp_unlock_server(server);
488 if (put_user(state, (int __user *)argp))
489 return -EFAULT;
490 return 0;
491 }
David Howells48937022008-11-14 10:38:58 +1100492
Linus Torvalds1da177e2005-04-16 15:20:36 -0700493 case NCP_IOC_SET_SIGN_WANTED:
494 {
495 int newstate;
496
Linus Torvalds1da177e2005-04-16 15:20:36 -0700497 /* get only low 8 bits... */
498 if (get_user(newstate, (unsigned char __user *)argp))
499 return -EFAULT;
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200500 result = 0;
501 ncp_lock_server(server);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700502 if (server->sign_active) {
503 /* cannot turn signatures OFF when active */
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200504 if (!newstate)
505 result = -EINVAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700506 } else {
507 server->sign_wanted = newstate != 0;
508 }
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200509 ncp_unlock_server(server);
510 return result;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700511 }
512
513#endif /* CONFIG_NCPFS_PACKET_SIGNING */
514
515#ifdef CONFIG_NCPFS_IOCTL_LOCKING
516 case NCP_IOC_LOCKUNLOCK:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700517 {
518 struct ncp_lock_ioctl rqdata;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700519
520 if (copy_from_user(&rqdata, argp, sizeof(rqdata)))
521 return -EFAULT;
522 if (rqdata.origin != 0)
523 return -EINVAL;
524 /* check for cmd */
525 switch (rqdata.cmd) {
526 case NCP_LOCK_EX:
527 case NCP_LOCK_SH:
Dan Carpenter1491e302015-11-20 15:56:56 -0800528 if (rqdata.timeout < 0)
529 return -EINVAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700530 if (rqdata.timeout == 0)
531 rqdata.timeout = NCP_LOCK_DEFAULT_TIMEOUT;
532 else if (rqdata.timeout > NCP_LOCK_MAX_TIMEOUT)
533 rqdata.timeout = NCP_LOCK_MAX_TIMEOUT;
534 break;
535 case NCP_LOCK_LOG:
536 rqdata.timeout = NCP_LOCK_DEFAULT_TIMEOUT; /* has no effect */
537 case NCP_LOCK_CLEAR:
538 break;
539 default:
540 return -EINVAL;
541 }
542 /* locking needs both read and write access */
543 if ((result = ncp_make_open(inode, O_RDWR)) != 0)
544 {
545 return result;
546 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700547 result = -EISDIR;
548 if (!S_ISREG(inode->i_mode))
549 goto outrel;
550 if (rqdata.cmd == NCP_LOCK_CLEAR)
551 {
552 result = ncp_ClearPhysicalRecord(NCP_SERVER(inode),
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200553 NCP_FINFO(inode)->file_handle,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700554 rqdata.offset,
555 rqdata.length);
556 if (result > 0) result = 0; /* no such lock */
557 }
558 else
559 {
560 int lockcmd;
561
562 switch (rqdata.cmd)
563 {
564 case NCP_LOCK_EX: lockcmd=1; break;
565 case NCP_LOCK_SH: lockcmd=3; break;
566 default: lockcmd=0; break;
567 }
568 result = ncp_LogPhysicalRecord(NCP_SERVER(inode),
569 NCP_FINFO(inode)->file_handle,
570 lockcmd,
571 rqdata.offset,
572 rqdata.length,
573 rqdata.timeout);
574 if (result > 0) result = -EAGAIN;
575 }
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200576outrel:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700577 ncp_inode_close(inode);
578 return result;
579 }
580#endif /* CONFIG_NCPFS_IOCTL_LOCKING */
581
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700582#ifdef CONFIG_COMPAT
583 case NCP_IOC_GETOBJECTNAME_32:
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700584 {
585 struct compat_ncp_objectname_ioctl user;
586 size_t outl;
587
588 if (copy_from_user(&user, argp, sizeof(user)))
589 return -EFAULT;
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200590 down_read(&server->auth_rwsem);
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700591 user.auth_type = server->auth.auth_type;
592 outl = user.object_name_len;
593 user.object_name_len = server->auth.object_name_len;
594 if (outl > user.object_name_len)
595 outl = user.object_name_len;
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200596 result = 0;
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700597 if (outl) {
598 if (copy_to_user(compat_ptr(user.object_name),
599 server->auth.object_name,
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200600 outl))
601 result = -EFAULT;
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700602 }
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200603 up_read(&server->auth_rwsem);
604 if (!result && copy_to_user(argp, &user, sizeof(user)))
605 result = -EFAULT;
606 return result;
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700607 }
608#endif
David Howells48937022008-11-14 10:38:58 +1100609
Linus Torvalds1da177e2005-04-16 15:20:36 -0700610 case NCP_IOC_GETOBJECTNAME:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700611 {
612 struct ncp_objectname_ioctl user;
613 size_t outl;
614
615 if (copy_from_user(&user, argp, sizeof(user)))
616 return -EFAULT;
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200617 down_read(&server->auth_rwsem);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700618 user.auth_type = server->auth.auth_type;
619 outl = user.object_name_len;
620 user.object_name_len = server->auth.object_name_len;
621 if (outl > user.object_name_len)
622 outl = user.object_name_len;
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200623 result = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700624 if (outl) {
625 if (copy_to_user(user.object_name,
626 server->auth.object_name,
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200627 outl))
628 result = -EFAULT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700629 }
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200630 up_read(&server->auth_rwsem);
631 if (!result && copy_to_user(argp, &user, sizeof(user)))
632 result = -EFAULT;
633 return result;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700634 }
David Howells48937022008-11-14 10:38:58 +1100635
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700636#ifdef CONFIG_COMPAT
637 case NCP_IOC_SETOBJECTNAME_32:
638#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700639 case NCP_IOC_SETOBJECTNAME:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700640 {
641 struct ncp_objectname_ioctl user;
642 void* newname;
643 void* oldname;
644 size_t oldnamelen;
645 void* oldprivate;
646 size_t oldprivatelen;
647
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700648#ifdef CONFIG_COMPAT
649 if (cmd == NCP_IOC_SETOBJECTNAME_32) {
650 struct compat_ncp_objectname_ioctl user32;
651 if (copy_from_user(&user32, argp, sizeof(user32)))
652 return -EFAULT;
653 user.auth_type = user32.auth_type;
654 user.object_name_len = user32.object_name_len;
655 user.object_name = compat_ptr(user32.object_name);
656 } else
657#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700658 if (copy_from_user(&user, argp, sizeof(user)))
659 return -EFAULT;
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700660
Linus Torvalds1da177e2005-04-16 15:20:36 -0700661 if (user.object_name_len > NCP_OBJECT_NAME_MAX_LEN)
662 return -ENOMEM;
663 if (user.object_name_len) {
Li Zefana9482eb2009-04-08 15:08:53 +0800664 newname = memdup_user(user.object_name,
665 user.object_name_len);
666 if (IS_ERR(newname))
667 return PTR_ERR(newname);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700668 } else {
669 newname = NULL;
670 }
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200671 down_write(&server->auth_rwsem);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700672 oldname = server->auth.object_name;
673 oldnamelen = server->auth.object_name_len;
674 oldprivate = server->priv.data;
675 oldprivatelen = server->priv.len;
676 server->auth.auth_type = user.auth_type;
677 server->auth.object_name_len = user.object_name_len;
678 server->auth.object_name = newname;
679 server->priv.len = 0;
680 server->priv.data = NULL;
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200681 up_write(&server->auth_rwsem);
Pekka Enberg44db77f2006-01-14 13:21:12 -0800682 kfree(oldprivate);
683 kfree(oldname);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700684 return 0;
685 }
David Howells48937022008-11-14 10:38:58 +1100686
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700687#ifdef CONFIG_COMPAT
688 case NCP_IOC_GETPRIVATEDATA_32:
689#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700690 case NCP_IOC_GETPRIVATEDATA:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700691 {
692 struct ncp_privatedata_ioctl user;
693 size_t outl;
694
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700695#ifdef CONFIG_COMPAT
696 if (cmd == NCP_IOC_GETPRIVATEDATA_32) {
697 struct compat_ncp_privatedata_ioctl user32;
698 if (copy_from_user(&user32, argp, sizeof(user32)))
699 return -EFAULT;
700 user.len = user32.len;
701 user.data = compat_ptr(user32.data);
702 } else
703#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700704 if (copy_from_user(&user, argp, sizeof(user)))
705 return -EFAULT;
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700706
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200707 down_read(&server->auth_rwsem);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700708 outl = user.len;
709 user.len = server->priv.len;
710 if (outl > user.len) outl = user.len;
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200711 result = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700712 if (outl) {
713 if (copy_to_user(user.data,
714 server->priv.data,
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200715 outl))
716 result = -EFAULT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700717 }
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200718 up_read(&server->auth_rwsem);
719 if (result)
720 return result;
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700721#ifdef CONFIG_COMPAT
722 if (cmd == NCP_IOC_GETPRIVATEDATA_32) {
723 struct compat_ncp_privatedata_ioctl user32;
724 user32.len = user.len;
725 user32.data = (unsigned long) user.data;
Al Viro5c09d962006-10-09 20:24:49 +0100726 if (copy_to_user(argp, &user32, sizeof(user32)))
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700727 return -EFAULT;
728 } else
729#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700730 if (copy_to_user(argp, &user, sizeof(user)))
731 return -EFAULT;
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700732
Linus Torvalds1da177e2005-04-16 15:20:36 -0700733 return 0;
734 }
David Howells48937022008-11-14 10:38:58 +1100735
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700736#ifdef CONFIG_COMPAT
737 case NCP_IOC_SETPRIVATEDATA_32:
738#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700739 case NCP_IOC_SETPRIVATEDATA:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700740 {
741 struct ncp_privatedata_ioctl user;
742 void* new;
743 void* old;
744 size_t oldlen;
745
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700746#ifdef CONFIG_COMPAT
747 if (cmd == NCP_IOC_SETPRIVATEDATA_32) {
748 struct compat_ncp_privatedata_ioctl user32;
749 if (copy_from_user(&user32, argp, sizeof(user32)))
750 return -EFAULT;
751 user.len = user32.len;
752 user.data = compat_ptr(user32.data);
753 } else
754#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700755 if (copy_from_user(&user, argp, sizeof(user)))
756 return -EFAULT;
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700757
Linus Torvalds1da177e2005-04-16 15:20:36 -0700758 if (user.len > NCP_PRIVATE_DATA_MAX_LEN)
759 return -ENOMEM;
760 if (user.len) {
Li Zefana9482eb2009-04-08 15:08:53 +0800761 new = memdup_user(user.data, user.len);
762 if (IS_ERR(new))
763 return PTR_ERR(new);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700764 } else {
765 new = NULL;
766 }
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200767 down_write(&server->auth_rwsem);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700768 old = server->priv.data;
769 oldlen = server->priv.len;
770 server->priv.len = user.len;
771 server->priv.data = new;
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200772 up_write(&server->auth_rwsem);
Pekka Enberg44db77f2006-01-14 13:21:12 -0800773 kfree(old);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700774 return 0;
775 }
776
777#ifdef CONFIG_NCPFS_NLS
778 case NCP_IOC_SETCHARSETS:
779 return ncp_set_charsets(server, argp);
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200780
Linus Torvalds1da177e2005-04-16 15:20:36 -0700781 case NCP_IOC_GETCHARSETS:
782 return ncp_get_charsets(server, argp);
783
784#endif /* CONFIG_NCPFS_NLS */
785
786 case NCP_IOC_SETDENTRYTTL:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700787 {
788 u_int32_t user;
789
790 if (copy_from_user(&user, argp, sizeof(user)))
791 return -EFAULT;
792 /* 20 secs at most... */
793 if (user > 20000)
794 return -EINVAL;
795 user = (user * HZ) / 1000;
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200796 atomic_set(&server->dentry_ttl, user);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700797 return 0;
798 }
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200799
Linus Torvalds1da177e2005-04-16 15:20:36 -0700800 case NCP_IOC_GETDENTRYTTL:
801 {
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200802 u_int32_t user = (atomic_read(&server->dentry_ttl) * 1000) / HZ;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700803 if (copy_to_user(argp, &user, sizeof(user)))
804 return -EFAULT;
805 return 0;
806 }
807
808 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700809 return -EINVAL;
810}
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700811
John Kacur93d84b62010-05-05 15:15:37 +0200812long ncp_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
Dave Hansena761a1c2008-02-15 14:37:39 -0800813{
Al Viro496ad9a2013-01-23 17:07:38 -0500814 struct inode *inode = file_inode(filp);
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200815 struct ncp_server *server = NCP_SERVER(inode);
Eric W. Biederman1ac7fd82012-02-07 16:28:28 -0800816 kuid_t uid = current_uid();
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200817 int need_drop_write = 0;
John Kacur93d84b62010-05-05 15:15:37 +0200818 long ret;
Dave Hansena761a1c2008-02-15 14:37:39 -0800819
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200820 switch (cmd) {
821 case NCP_IOC_SETCHARSETS:
822 case NCP_IOC_CONN_LOGGED_IN:
823 case NCP_IOC_SETROOT:
824 if (!capable(CAP_SYS_ADMIN)) {
Zhao Hongjiang41735812013-02-20 13:13:55 +1100825 ret = -EPERM;
John Kacur93d84b62010-05-05 15:15:37 +0200826 goto out;
827 }
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200828 break;
Dave Hansena761a1c2008-02-15 14:37:39 -0800829 }
Eric W. Biederman1ac7fd82012-02-07 16:28:28 -0800830 if (!uid_eq(server->m.mounted_uid, uid)) {
Petr Vandrovec2e54eb92010-09-27 01:47:33 +0200831 switch (cmd) {
832 /*
833 * Only mount owner can issue these ioctls. Information
834 * necessary to authenticate to other NDS servers are
835 * stored here.
836 */
837 case NCP_IOC_GETOBJECTNAME:
838 case NCP_IOC_SETOBJECTNAME:
839 case NCP_IOC_GETPRIVATEDATA:
840 case NCP_IOC_SETPRIVATEDATA:
841#ifdef CONFIG_COMPAT
842 case NCP_IOC_GETOBJECTNAME_32:
843 case NCP_IOC_SETOBJECTNAME_32:
844 case NCP_IOC_GETPRIVATEDATA_32:
845 case NCP_IOC_SETPRIVATEDATA_32:
846#endif
847 ret = -EACCES;
848 goto out;
849 /*
850 * These require write access on the inode if user id
851 * does not match. Note that they do not write to the
852 * file... But old code did mnt_want_write, so I keep
853 * it as is. Of course not for mountpoint owner, as
854 * that breaks read-only mounts altogether as ncpmount
855 * needs working NCP_IOC_NCPREQUEST and
856 * NCP_IOC_GET_FS_INFO. Some of these codes (setdentryttl,
857 * signinit, setsignwanted) should be probably restricted
858 * to owner only, or even more to CAP_SYS_ADMIN).
859 */
860 case NCP_IOC_GET_FS_INFO:
861 case NCP_IOC_GET_FS_INFO_V2:
862 case NCP_IOC_NCPREQUEST:
863 case NCP_IOC_SETDENTRYTTL:
864 case NCP_IOC_SIGN_INIT:
865 case NCP_IOC_LOCKUNLOCK:
866 case NCP_IOC_SET_SIGN_WANTED:
867#ifdef CONFIG_COMPAT
868 case NCP_IOC_GET_FS_INFO_V2_32:
869 case NCP_IOC_NCPREQUEST_32:
870#endif
871 ret = mnt_want_write_file(filp);
872 if (ret)
873 goto out;
874 need_drop_write = 1;
875 ret = inode_permission(inode, MAY_WRITE);
876 if (ret)
877 goto outDropWrite;
878 break;
879 /*
880 * Read access required.
881 */
882 case NCP_IOC_GETMOUNTUID16:
883 case NCP_IOC_GETMOUNTUID32:
884 case NCP_IOC_GETMOUNTUID64:
885 case NCP_IOC_GETROOT:
886 case NCP_IOC_SIGN_WANTED:
887 ret = inode_permission(inode, MAY_READ);
888 if (ret)
889 goto out;
890 break;
891 /*
892 * Anybody can read these.
893 */
894 case NCP_IOC_GETCHARSETS:
895 case NCP_IOC_GETDENTRYTTL:
896 default:
897 /* Three codes below are protected by CAP_SYS_ADMIN above. */
898 case NCP_IOC_SETCHARSETS:
899 case NCP_IOC_CONN_LOGGED_IN:
900 case NCP_IOC_SETROOT:
901 break;
902 }
903 }
904 ret = __ncp_ioctl(inode, cmd, arg);
905outDropWrite:
906 if (need_drop_write)
Al Viro2a79f172011-12-09 08:06:57 -0500907 mnt_drop_write_file(filp);
John Kacur93d84b62010-05-05 15:15:37 +0200908out:
Dave Hansena761a1c2008-02-15 14:37:39 -0800909 return ret;
910}
911
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700912#ifdef CONFIG_COMPAT
913long ncp_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
914{
John Kacur93d84b62010-05-05 15:15:37 +0200915 long ret;
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700916
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700917 arg = (unsigned long) compat_ptr(arg);
John Kacur93d84b62010-05-05 15:15:37 +0200918 ret = ncp_ioctl(file, cmd, arg);
Petr Vandrovec54f67f62006-09-30 23:27:55 -0700919 return ret;
920}
921#endif