1  // SPDX-License-Identifier: GPL-2.0-or-later
2  /*
3   *
4   *   Copyright (c) International Business Machines  Corp., 2002,2008
5   *   Author(s): Steve French (sfrench@us.ibm.com)
6   *
7   *   Error mapping routines from Samba libsmb/errormap.c
8   *   Copyright (C) Andrew Tridgell 2001
9   */
10  
11  #include <linux/net.h>
12  #include <linux/string.h>
13  #include <linux/in.h>
14  #include <linux/ctype.h>
15  #include <linux/fs.h>
16  #include <asm/div64.h>
17  #include <asm/byteorder.h>
18  #include <linux/inet.h>
19  #include "cifsfs.h"
20  #include "cifspdu.h"
21  #include "cifsglob.h"
22  #include "cifsproto.h"
23  #include "smberr.h"
24  #include "cifs_debug.h"
25  #include "nterr.h"
26  
27  struct smb_to_posix_error {
28  	__u16 smb_err;
29  	int posix_code;
30  };
31  
32  static const struct smb_to_posix_error mapping_table_ERRDOS[] = {
33  	{ERRbadfunc, -EINVAL},
34  	{ERRbadfile, -ENOENT},
35  	{ERRbadpath, -ENOTDIR},
36  	{ERRnofids, -EMFILE},
37  	{ERRnoaccess, -EACCES},
38  	{ERRbadfid, -EBADF},
39  	{ERRbadmcb, -EIO},
40  	{ERRnomem, -EREMOTEIO},
41  	{ERRbadmem, -EFAULT},
42  	{ERRbadenv, -EFAULT},
43  	{ERRbadformat, -EINVAL},
44  	{ERRbadaccess, -EACCES},
45  	{ERRbaddata, -EIO},
46  	{ERRbaddrive, -ENXIO},
47  	{ERRremcd, -EACCES},
48  	{ERRdiffdevice, -EXDEV},
49  	{ERRnofiles, -ENOENT},
50  	{ERRwriteprot, -EROFS},
51  	{ERRbadshare, -EBUSY},
52  	{ERRlock, -EACCES},
53  	{ERRunsup, -EINVAL},
54  	{ERRnosuchshare, -ENXIO},
55  	{ERRfilexists, -EEXIST},
56  	{ERRinvparm, -EINVAL},
57  	{ERRdiskfull, -ENOSPC},
58  	{ERRinvname, -ENOENT},
59  	{ERRinvlevel, -EOPNOTSUPP},
60  	{ERRdirnotempty, -ENOTEMPTY},
61  	{ERRnotlocked, -ENOLCK},
62  	{ERRcancelviolation, -ENOLCK},
63  	{ERRalreadyexists, -EEXIST},
64  	{ERRmoredata, -EOVERFLOW},
65  	{ERReasnotsupported, -EOPNOTSUPP},
66  	{ErrQuota, -EDQUOT},
67  	{ErrNotALink, -ENOLINK},
68  	{ERRnetlogonNotStarted, -ENOPROTOOPT},
69  	{ERRsymlink, -EOPNOTSUPP},
70  	{ErrTooManyLinks, -EMLINK},
71  	{0, 0}
72  };
73  
74  static const struct smb_to_posix_error mapping_table_ERRSRV[] = {
75  	{ERRerror, -EIO},
76  	{ERRbadpw, -EACCES},  /* was EPERM */
77  	{ERRbadtype, -EREMOTE},
78  	{ERRaccess, -EACCES},
79  	{ERRinvtid, -ENXIO},
80  	{ERRinvnetname, -ENXIO},
81  	{ERRinvdevice, -ENXIO},
82  	{ERRqfull, -ENOSPC},
83  	{ERRqtoobig, -ENOSPC},
84  	{ERRqeof, -EIO},
85  	{ERRinvpfid, -EBADF},
86  	{ERRsmbcmd, -EBADRQC},
87  	{ERRsrverror, -EIO},
88  	{ERRbadBID, -EIO},
89  	{ERRfilespecs, -EINVAL},
90  	{ERRbadLink, -EIO},
91  	{ERRbadpermits, -EINVAL},
92  	{ERRbadPID, -ESRCH},
93  	{ERRsetattrmode, -EINVAL},
94  	{ERRpaused, -EHOSTDOWN},
95  	{ERRmsgoff, -EHOSTDOWN},
96  	{ERRnoroom, -ENOSPC},
97  	{ERRrmuns, -EUSERS},
98  	{ERRtimeout, -ETIME},
99  	{ERRnoresource, -EREMOTEIO},
100  	{ERRtoomanyuids, -EUSERS},
101  	{ERRbaduid, -EACCES},
102  	{ERRusempx, -EIO},
103  	{ERRusestd, -EIO},
104  	{ERR_NOTIFY_ENUM_DIR, -ENOBUFS},
105  	{ERRnoSuchUser, -EACCES},
106  /*	{ERRaccountexpired, -EACCES},
107  	{ERRbadclient, -EACCES},
108  	{ERRbadLogonTime, -EACCES},
109  	{ERRpasswordExpired, -EACCES},*/
110  	{ERRaccountexpired, -EKEYEXPIRED},
111  	{ERRbadclient, -EACCES},
112  	{ERRbadLogonTime, -EACCES},
113  	{ERRpasswordExpired, -EKEYEXPIRED},
114  
115  	{ERRnosupport, -EINVAL},
116  	{0, 0}
117  };
118  
119  /*
120   * Convert a string containing text IPv4 or IPv6 address to binary form.
121   *
122   * Returns 0 on failure.
123   */
124  static int
cifs_inet_pton(const int address_family,const char * cp,int len,void * dst)125  cifs_inet_pton(const int address_family, const char *cp, int len, void *dst)
126  {
127  	int ret = 0;
128  
129  	/* calculate length by finding first slash or NULL */
130  	if (address_family == AF_INET)
131  		ret = in4_pton(cp, len, dst, '\\', NULL);
132  	else if (address_family == AF_INET6)
133  		ret = in6_pton(cp, len, dst , '\\', NULL);
134  
135  	cifs_dbg(NOISY, "address conversion returned %d for %*.*s\n",
136  		 ret, len, len, cp);
137  	if (ret > 0)
138  		ret = 1;
139  	return ret;
140  }
141  
142  /*
143   * Try to convert a string to an IPv4 address and then attempt to convert
144   * it to an IPv6 address if that fails. Set the family field if either
145   * succeeds. If it's an IPv6 address and it has a '%' sign in it, try to
146   * treat the part following it as a numeric sin6_scope_id.
147   *
148   * Returns 0 on failure.
149   */
150  int
cifs_convert_address(struct sockaddr * dst,const char * src,int len)151  cifs_convert_address(struct sockaddr *dst, const char *src, int len)
152  {
153  	int rc, alen, slen;
154  	const char *pct;
155  	char scope_id[13];
156  	struct sockaddr_in *s4 = (struct sockaddr_in *) dst;
157  	struct sockaddr_in6 *s6 = (struct sockaddr_in6 *) dst;
158  
159  	/* IPv4 address */
160  	if (cifs_inet_pton(AF_INET, src, len, &s4->sin_addr.s_addr)) {
161  		s4->sin_family = AF_INET;
162  		return 1;
163  	}
164  
165  	/* attempt to exclude the scope ID from the address part */
166  	pct = memchr(src, '%', len);
167  	alen = pct ? pct - src : len;
168  
169  	rc = cifs_inet_pton(AF_INET6, src, alen, &s6->sin6_addr.s6_addr);
170  	if (!rc)
171  		return rc;
172  
173  	s6->sin6_family = AF_INET6;
174  	if (pct) {
175  		/* grab the scope ID */
176  		slen = len - (alen + 1);
177  		if (slen <= 0 || slen > 12)
178  			return 0;
179  		memcpy(scope_id, pct + 1, slen);
180  		scope_id[slen] = '\0';
181  
182  		rc = kstrtouint(scope_id, 0, &s6->sin6_scope_id);
183  		rc = (rc == 0) ? 1 : 0;
184  	}
185  
186  	return rc;
187  }
188  
189  void
cifs_set_port(struct sockaddr * addr,const unsigned short int port)190  cifs_set_port(struct sockaddr *addr, const unsigned short int port)
191  {
192  	switch (addr->sa_family) {
193  	case AF_INET:
194  		((struct sockaddr_in *)addr)->sin_port = htons(port);
195  		break;
196  	case AF_INET6:
197  		((struct sockaddr_in6 *)addr)->sin6_port = htons(port);
198  		break;
199  	}
200  }
201  
202  /*****************************************************************************
203  convert a NT status code to a dos class/code
204   *****************************************************************************/
205  /* NT status -> dos error map */
206  static const struct {
207  	__u8 dos_class;
208  	__u16 dos_code;
209  	__u32 ntstatus;
210  } ntstatus_to_dos_map[] = {
211  	{
212  	ERRDOS, ERRgeneral, NT_STATUS_UNSUCCESSFUL}, {
213  	ERRDOS, ERRbadfunc, NT_STATUS_NOT_IMPLEMENTED}, {
214  	ERRDOS, ERRinvlevel, NT_STATUS_INVALID_INFO_CLASS}, {
215  	ERRDOS, 24, NT_STATUS_INFO_LENGTH_MISMATCH}, {
216  	ERRHRD, ERRgeneral, NT_STATUS_ACCESS_VIOLATION}, {
217  	ERRHRD, ERRgeneral, NT_STATUS_IN_PAGE_ERROR}, {
218  	ERRHRD, ERRgeneral, NT_STATUS_PAGEFILE_QUOTA}, {
219  	ERRDOS, ERRbadfid, NT_STATUS_INVALID_HANDLE}, {
220  	ERRHRD, ERRgeneral, NT_STATUS_BAD_INITIAL_STACK}, {
221  	ERRDOS, 193, NT_STATUS_BAD_INITIAL_PC}, {
222  	ERRDOS, 87, NT_STATUS_INVALID_CID}, {
223  	ERRHRD, ERRgeneral, NT_STATUS_TIMER_NOT_CANCELED}, {
224  	ERRDOS, 87, NT_STATUS_INVALID_PARAMETER}, {
225  	ERRDOS, ERRbadfile, NT_STATUS_NO_SUCH_DEVICE}, {
226  	ERRDOS, ERRbadfile, NT_STATUS_NO_SUCH_FILE}, {
227  	ERRDOS, ERRbadfunc, NT_STATUS_INVALID_DEVICE_REQUEST}, {
228  	ERRDOS, 38, NT_STATUS_END_OF_FILE}, {
229  	ERRDOS, 34, NT_STATUS_WRONG_VOLUME}, {
230  	ERRDOS, 21, NT_STATUS_NO_MEDIA_IN_DEVICE}, {
231  	ERRHRD, ERRgeneral, NT_STATUS_UNRECOGNIZED_MEDIA}, {
232  	ERRDOS, 27, NT_STATUS_NONEXISTENT_SECTOR},
233  /*	{ This NT error code was 'sqashed'
234  	 from NT_STATUS_MORE_PROCESSING_REQUIRED to NT_STATUS_OK
235  	 during the session setup } */
236  	{
237  	ERRDOS, ERRnomem, NT_STATUS_NO_MEMORY}, {
238  	ERRDOS, 487, NT_STATUS_CONFLICTING_ADDRESSES}, {
239  	ERRDOS, 487, NT_STATUS_NOT_MAPPED_VIEW}, {
240  	ERRDOS, 87, NT_STATUS_UNABLE_TO_FREE_VM}, {
241  	ERRDOS, 87, NT_STATUS_UNABLE_TO_DELETE_SECTION}, {
242  	ERRDOS, 2142, NT_STATUS_INVALID_SYSTEM_SERVICE}, {
243  	ERRHRD, ERRgeneral, NT_STATUS_ILLEGAL_INSTRUCTION}, {
244  	ERRDOS, ERRnoaccess, NT_STATUS_INVALID_LOCK_SEQUENCE}, {
245  	ERRDOS, ERRnoaccess, NT_STATUS_INVALID_VIEW_SIZE}, {
246  	ERRDOS, 193, NT_STATUS_INVALID_FILE_FOR_SECTION}, {
247  	ERRDOS, ERRnoaccess, NT_STATUS_ALREADY_COMMITTED},
248  /*	{ This NT error code was 'sqashed'
249  	 from NT_STATUS_ACCESS_DENIED to NT_STATUS_TRUSTED_RELATIONSHIP_FAILURE
250  	 during the session setup }   */
251  	{
252  	ERRDOS, ERRnoaccess, NT_STATUS_ACCESS_DENIED}, {
253  	ERRDOS, 111, NT_STATUS_BUFFER_TOO_SMALL}, {
254  	ERRDOS, ERRbadfid, NT_STATUS_OBJECT_TYPE_MISMATCH}, {
255  	ERRHRD, ERRgeneral, NT_STATUS_NONCONTINUABLE_EXCEPTION}, {
256  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_DISPOSITION}, {
257  	ERRHRD, ERRgeneral, NT_STATUS_UNWIND}, {
258  	ERRHRD, ERRgeneral, NT_STATUS_BAD_STACK}, {
259  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_UNWIND_TARGET}, {
260  	ERRDOS, 158, NT_STATUS_NOT_LOCKED}, {
261  	ERRHRD, ERRgeneral, NT_STATUS_PARITY_ERROR}, {
262  	ERRDOS, 487, NT_STATUS_UNABLE_TO_DECOMMIT_VM}, {
263  	ERRDOS, 487, NT_STATUS_NOT_COMMITTED}, {
264  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_PORT_ATTRIBUTES}, {
265  	ERRHRD, ERRgeneral, NT_STATUS_PORT_MESSAGE_TOO_LONG}, {
266  	ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_MIX}, {
267  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_QUOTA_LOWER}, {
268  	ERRHRD, ERRgeneral, NT_STATUS_DISK_CORRUPT_ERROR}, {
269  	 /* mapping changed since shell does lookup on * expects FileNotFound */
270  	ERRDOS, ERRbadfile, NT_STATUS_OBJECT_NAME_INVALID}, {
271  	ERRDOS, ERRbadfile, NT_STATUS_OBJECT_NAME_NOT_FOUND}, {
272  	ERRDOS, ERRalreadyexists, NT_STATUS_OBJECT_NAME_COLLISION}, {
273  	ERRHRD, ERRgeneral, NT_STATUS_HANDLE_NOT_WAITABLE}, {
274  	ERRDOS, ERRbadfid, NT_STATUS_PORT_DISCONNECTED}, {
275  	ERRHRD, ERRgeneral, NT_STATUS_DEVICE_ALREADY_ATTACHED}, {
276  	ERRDOS, 161, NT_STATUS_OBJECT_PATH_INVALID}, {
277  	ERRDOS, ERRbadpath, NT_STATUS_OBJECT_PATH_NOT_FOUND}, {
278  	ERRDOS, 161, NT_STATUS_OBJECT_PATH_SYNTAX_BAD}, {
279  	ERRHRD, ERRgeneral, NT_STATUS_DATA_OVERRUN}, {
280  	ERRHRD, ERRgeneral, NT_STATUS_DATA_LATE_ERROR}, {
281  	ERRDOS, 23, NT_STATUS_DATA_ERROR}, {
282  	ERRDOS, 23, NT_STATUS_CRC_ERROR}, {
283  	ERRDOS, ERRnomem, NT_STATUS_SECTION_TOO_BIG}, {
284  	ERRDOS, ERRnoaccess, NT_STATUS_PORT_CONNECTION_REFUSED}, {
285  	ERRDOS, ERRbadfid, NT_STATUS_INVALID_PORT_HANDLE}, {
286  	ERRDOS, ERRbadshare, NT_STATUS_SHARING_VIOLATION}, {
287  	ERRHRD, ERRgeneral, NT_STATUS_QUOTA_EXCEEDED}, {
288  	ERRDOS, 87, NT_STATUS_INVALID_PAGE_PROTECTION}, {
289  	ERRDOS, 288, NT_STATUS_MUTANT_NOT_OWNED}, {
290  	ERRDOS, 298, NT_STATUS_SEMAPHORE_LIMIT_EXCEEDED}, {
291  	ERRDOS, 87, NT_STATUS_PORT_ALREADY_SET}, {
292  	ERRDOS, 87, NT_STATUS_SECTION_NOT_IMAGE}, {
293  	ERRDOS, 156, NT_STATUS_SUSPEND_COUNT_EXCEEDED}, {
294  	ERRDOS, ERRnoaccess, NT_STATUS_THREAD_IS_TERMINATING}, {
295  	ERRDOS, 87, NT_STATUS_BAD_WORKING_SET_LIMIT}, {
296  	ERRDOS, 87, NT_STATUS_INCOMPATIBLE_FILE_MAP}, {
297  	ERRDOS, 87, NT_STATUS_SECTION_PROTECTION}, {
298  	ERRDOS, ERReasnotsupported, NT_STATUS_EAS_NOT_SUPPORTED}, {
299  	ERRDOS, 255, NT_STATUS_EA_TOO_LARGE}, {
300  	ERRHRD, ERRgeneral, NT_STATUS_NONEXISTENT_EA_ENTRY}, {
301  	ERRHRD, ERRgeneral, NT_STATUS_NO_EAS_ON_FILE}, {
302  	ERRHRD, ERRgeneral, NT_STATUS_EA_CORRUPT_ERROR}, {
303  	ERRDOS, ERRlock, NT_STATUS_FILE_LOCK_CONFLICT}, {
304  	ERRDOS, ERRlock, NT_STATUS_LOCK_NOT_GRANTED}, {
305  	ERRDOS, ERRbadfile, NT_STATUS_DELETE_PENDING}, {
306  	ERRDOS, ERRunsup, NT_STATUS_CTL_FILE_NOT_SUPPORTED}, {
307  	ERRHRD, ERRgeneral, NT_STATUS_UNKNOWN_REVISION}, {
308  	ERRHRD, ERRgeneral, NT_STATUS_REVISION_MISMATCH}, {
309  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_OWNER}, {
310  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_PRIMARY_GROUP}, {
311  	ERRHRD, ERRgeneral, NT_STATUS_NO_IMPERSONATION_TOKEN}, {
312  	ERRHRD, ERRgeneral, NT_STATUS_CANT_DISABLE_MANDATORY}, {
313  	ERRDOS, 2215, NT_STATUS_NO_LOGON_SERVERS}, {
314  	ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_LOGON_SESSION}, {
315  	ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_PRIVILEGE}, {
316  	ERRDOS, ERRnoaccess, NT_STATUS_PRIVILEGE_NOT_HELD}, {
317  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_ACCOUNT_NAME}, {
318  	ERRHRD, ERRgeneral, NT_STATUS_USER_EXISTS},
319  /*	{ This NT error code was 'sqashed'
320  	 from NT_STATUS_NO_SUCH_USER to NT_STATUS_LOGON_FAILURE
321  	 during the session setup } */
322  	{
323  	ERRDOS, ERRnoaccess, NT_STATUS_NO_SUCH_USER}, { /* could map to 2238 */
324  	ERRHRD, ERRgeneral, NT_STATUS_GROUP_EXISTS}, {
325  	ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_GROUP}, {
326  	ERRHRD, ERRgeneral, NT_STATUS_MEMBER_IN_GROUP}, {
327  	ERRHRD, ERRgeneral, NT_STATUS_MEMBER_NOT_IN_GROUP}, {
328  	ERRHRD, ERRgeneral, NT_STATUS_LAST_ADMIN},
329  /*	{ This NT error code was 'sqashed'
330  	 from NT_STATUS_WRONG_PASSWORD to NT_STATUS_LOGON_FAILURE
331  	 during the session setup } */
332  	{
333  	ERRSRV, ERRbadpw, NT_STATUS_WRONG_PASSWORD}, {
334  	ERRHRD, ERRgeneral, NT_STATUS_ILL_FORMED_PASSWORD}, {
335  	ERRHRD, ERRgeneral, NT_STATUS_PASSWORD_RESTRICTION}, {
336  	ERRDOS, ERRnoaccess, NT_STATUS_LOGON_FAILURE}, {
337  	ERRHRD, ERRgeneral, NT_STATUS_ACCOUNT_RESTRICTION}, {
338  	ERRSRV, ERRbadLogonTime, NT_STATUS_INVALID_LOGON_HOURS}, {
339  	ERRSRV, ERRbadclient, NT_STATUS_INVALID_WORKSTATION}, {
340  	ERRSRV, ERRpasswordExpired, NT_STATUS_PASSWORD_EXPIRED}, {
341  	ERRSRV, ERRaccountexpired, NT_STATUS_ACCOUNT_DISABLED}, {
342  	ERRHRD, ERRgeneral, NT_STATUS_NONE_MAPPED}, {
343  	ERRHRD, ERRgeneral, NT_STATUS_TOO_MANY_LUIDS_REQUESTED}, {
344  	ERRHRD, ERRgeneral, NT_STATUS_LUIDS_EXHAUSTED}, {
345  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_SUB_AUTHORITY}, {
346  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_ACL}, {
347  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_SID}, {
348  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_SECURITY_DESCR}, {
349  	ERRDOS, 127, NT_STATUS_PROCEDURE_NOT_FOUND}, {
350  	ERRDOS, 193, NT_STATUS_INVALID_IMAGE_FORMAT}, {
351  	ERRHRD, ERRgeneral, NT_STATUS_NO_TOKEN}, {
352  	ERRHRD, ERRgeneral, NT_STATUS_BAD_INHERITANCE_ACL}, {
353  	ERRDOS, 158, NT_STATUS_RANGE_NOT_LOCKED}, {
354  	ERRDOS, 112, NT_STATUS_DISK_FULL}, {
355  	ERRHRD, ERRgeneral, NT_STATUS_SERVER_DISABLED}, {
356  	ERRHRD, ERRgeneral, NT_STATUS_SERVER_NOT_DISABLED}, {
357  	ERRDOS, 68, NT_STATUS_TOO_MANY_GUIDS_REQUESTED}, {
358  	ERRDOS, 259, NT_STATUS_GUIDS_EXHAUSTED}, {
359  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_ID_AUTHORITY}, {
360  	ERRDOS, 259, NT_STATUS_AGENTS_EXHAUSTED}, {
361  	ERRDOS, 154, NT_STATUS_INVALID_VOLUME_LABEL}, {
362  	ERRDOS, 14, NT_STATUS_SECTION_NOT_EXTENDED}, {
363  	ERRDOS, 487, NT_STATUS_NOT_MAPPED_DATA}, {
364  	ERRHRD, ERRgeneral, NT_STATUS_RESOURCE_DATA_NOT_FOUND}, {
365  	ERRHRD, ERRgeneral, NT_STATUS_RESOURCE_TYPE_NOT_FOUND}, {
366  	ERRHRD, ERRgeneral, NT_STATUS_RESOURCE_NAME_NOT_FOUND}, {
367  	ERRHRD, ERRgeneral, NT_STATUS_ARRAY_BOUNDS_EXCEEDED}, {
368  	ERRHRD, ERRgeneral, NT_STATUS_FLOAT_DENORMAL_OPERAND}, {
369  	ERRHRD, ERRgeneral, NT_STATUS_FLOAT_DIVIDE_BY_ZERO}, {
370  	ERRHRD, ERRgeneral, NT_STATUS_FLOAT_INEXACT_RESULT}, {
371  	ERRHRD, ERRgeneral, NT_STATUS_FLOAT_INVALID_OPERATION}, {
372  	ERRHRD, ERRgeneral, NT_STATUS_FLOAT_OVERFLOW}, {
373  	ERRHRD, ERRgeneral, NT_STATUS_FLOAT_STACK_CHECK}, {
374  	ERRHRD, ERRgeneral, NT_STATUS_FLOAT_UNDERFLOW}, {
375  	ERRHRD, ERRgeneral, NT_STATUS_INTEGER_DIVIDE_BY_ZERO}, {
376  	ERRDOS, 534, NT_STATUS_INTEGER_OVERFLOW}, {
377  	ERRHRD, ERRgeneral, NT_STATUS_PRIVILEGED_INSTRUCTION}, {
378  	ERRDOS, ERRnomem, NT_STATUS_TOO_MANY_PAGING_FILES}, {
379  	ERRHRD, ERRgeneral, NT_STATUS_FILE_INVALID}, {
380  	ERRHRD, ERRgeneral, NT_STATUS_ALLOTTED_SPACE_EXCEEDED},
381  /*	{ This NT error code was 'sqashed'
382  	 from NT_STATUS_INSUFFICIENT_RESOURCES to
383  	 NT_STATUS_INSUFF_SERVER_RESOURCES during the session setup } */
384  	{
385  	ERRDOS, ERRnoresource, NT_STATUS_INSUFFICIENT_RESOURCES}, {
386  	ERRDOS, ERRbadpath, NT_STATUS_DFS_EXIT_PATH_FOUND}, {
387  	ERRDOS, 23, NT_STATUS_DEVICE_DATA_ERROR}, {
388  	ERRHRD, ERRgeneral, NT_STATUS_DEVICE_NOT_CONNECTED}, {
389  	ERRDOS, 21, NT_STATUS_DEVICE_POWER_FAILURE}, {
390  	ERRDOS, 487, NT_STATUS_FREE_VM_NOT_AT_BASE}, {
391  	ERRDOS, 487, NT_STATUS_MEMORY_NOT_ALLOCATED}, {
392  	ERRHRD, ERRgeneral, NT_STATUS_WORKING_SET_QUOTA}, {
393  	ERRDOS, 19, NT_STATUS_MEDIA_WRITE_PROTECTED}, {
394  	ERRDOS, 21, NT_STATUS_DEVICE_NOT_READY}, {
395  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_GROUP_ATTRIBUTES}, {
396  	ERRHRD, ERRgeneral, NT_STATUS_BAD_IMPERSONATION_LEVEL}, {
397  	ERRHRD, ERRgeneral, NT_STATUS_CANT_OPEN_ANONYMOUS}, {
398  	ERRHRD, ERRgeneral, NT_STATUS_BAD_VALIDATION_CLASS}, {
399  	ERRHRD, ERRgeneral, NT_STATUS_BAD_TOKEN_TYPE}, {
400  	ERRDOS, 87, NT_STATUS_BAD_MASTER_BOOT_RECORD}, {
401  	ERRHRD, ERRgeneral, NT_STATUS_INSTRUCTION_MISALIGNMENT}, {
402  	ERRDOS, ERRpipebusy, NT_STATUS_INSTANCE_NOT_AVAILABLE}, {
403  	ERRDOS, ERRpipebusy, NT_STATUS_PIPE_NOT_AVAILABLE}, {
404  	ERRDOS, ERRbadpipe, NT_STATUS_INVALID_PIPE_STATE}, {
405  	ERRDOS, ERRpipebusy, NT_STATUS_PIPE_BUSY}, {
406  	ERRDOS, ERRbadfunc, NT_STATUS_ILLEGAL_FUNCTION}, {
407  	ERRDOS, ERRnotconnected, NT_STATUS_PIPE_DISCONNECTED}, {
408  	ERRDOS, ERRpipeclosing, NT_STATUS_PIPE_CLOSING}, {
409  	ERRHRD, ERRgeneral, NT_STATUS_PIPE_CONNECTED}, {
410  	ERRHRD, ERRgeneral, NT_STATUS_PIPE_LISTENING}, {
411  	ERRDOS, ERRbadpipe, NT_STATUS_INVALID_READ_MODE}, {
412  	ERRDOS, 121, NT_STATUS_IO_TIMEOUT}, {
413  	ERRDOS, 38, NT_STATUS_FILE_FORCED_CLOSED}, {
414  	ERRHRD, ERRgeneral, NT_STATUS_PROFILING_NOT_STARTED}, {
415  	ERRHRD, ERRgeneral, NT_STATUS_PROFILING_NOT_STOPPED}, {
416  	ERRHRD, ERRgeneral, NT_STATUS_COULD_NOT_INTERPRET}, {
417  	ERRDOS, ERRnoaccess, NT_STATUS_FILE_IS_A_DIRECTORY}, {
418  	ERRDOS, ERRunsup, NT_STATUS_NOT_SUPPORTED}, {
419  	ERRDOS, 51, NT_STATUS_REMOTE_NOT_LISTENING}, {
420  	ERRDOS, 52, NT_STATUS_DUPLICATE_NAME}, {
421  	ERRDOS, 53, NT_STATUS_BAD_NETWORK_PATH}, {
422  	ERRDOS, 54, NT_STATUS_NETWORK_BUSY}, {
423  	ERRDOS, 55, NT_STATUS_DEVICE_DOES_NOT_EXIST}, {
424  	ERRDOS, 56, NT_STATUS_TOO_MANY_COMMANDS}, {
425  	ERRDOS, 57, NT_STATUS_ADAPTER_HARDWARE_ERROR}, {
426  	ERRDOS, 58, NT_STATUS_INVALID_NETWORK_RESPONSE}, {
427  	ERRDOS, 59, NT_STATUS_UNEXPECTED_NETWORK_ERROR}, {
428  	ERRDOS, 60, NT_STATUS_BAD_REMOTE_ADAPTER}, {
429  	ERRDOS, 61, NT_STATUS_PRINT_QUEUE_FULL}, {
430  	ERRDOS, 62, NT_STATUS_NO_SPOOL_SPACE}, {
431  	ERRDOS, 63, NT_STATUS_PRINT_CANCELLED}, {
432  	ERRDOS, 64, NT_STATUS_NETWORK_NAME_DELETED}, {
433  	ERRDOS, 65, NT_STATUS_NETWORK_ACCESS_DENIED}, {
434  	ERRDOS, 66, NT_STATUS_BAD_DEVICE_TYPE}, {
435  	ERRDOS, ERRnosuchshare, NT_STATUS_BAD_NETWORK_NAME}, {
436  	ERRDOS, 68, NT_STATUS_TOO_MANY_NAMES}, {
437  	ERRDOS, 69, NT_STATUS_TOO_MANY_SESSIONS}, {
438  	ERRDOS, 70, NT_STATUS_SHARING_PAUSED}, {
439  	ERRDOS, 71, NT_STATUS_REQUEST_NOT_ACCEPTED}, {
440  	ERRDOS, 72, NT_STATUS_REDIRECTOR_PAUSED}, {
441  	ERRDOS, 88, NT_STATUS_NET_WRITE_FAULT}, {
442  	ERRHRD, ERRgeneral, NT_STATUS_PROFILING_AT_LIMIT}, {
443  	ERRDOS, ERRdiffdevice, NT_STATUS_NOT_SAME_DEVICE}, {
444  	ERRDOS, ERRnoaccess, NT_STATUS_FILE_RENAMED}, {
445  	ERRDOS, 240, NT_STATUS_VIRTUAL_CIRCUIT_CLOSED}, {
446  	ERRHRD, ERRgeneral, NT_STATUS_NO_SECURITY_ON_OBJECT}, {
447  	ERRHRD, ERRgeneral, NT_STATUS_CANT_WAIT}, {
448  	ERRDOS, ERRpipeclosing, NT_STATUS_PIPE_EMPTY}, {
449  	ERRHRD, ERRgeneral, NT_STATUS_CANT_ACCESS_DOMAIN_INFO}, {
450  	ERRHRD, ERRgeneral, NT_STATUS_CANT_TERMINATE_SELF}, {
451  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_SERVER_STATE}, {
452  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_DOMAIN_STATE}, {
453  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_DOMAIN_ROLE}, {
454  	ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_DOMAIN}, {
455  	ERRHRD, ERRgeneral, NT_STATUS_DOMAIN_EXISTS}, {
456  	ERRHRD, ERRgeneral, NT_STATUS_DOMAIN_LIMIT_EXCEEDED}, {
457  	ERRDOS, 300, NT_STATUS_OPLOCK_NOT_GRANTED}, {
458  	ERRDOS, 301, NT_STATUS_INVALID_OPLOCK_PROTOCOL}, {
459  	ERRHRD, ERRgeneral, NT_STATUS_INTERNAL_DB_CORRUPTION}, {
460  	ERRHRD, ERRgeneral, NT_STATUS_INTERNAL_ERROR}, {
461  	ERRHRD, ERRgeneral, NT_STATUS_GENERIC_NOT_MAPPED}, {
462  	ERRHRD, ERRgeneral, NT_STATUS_BAD_DESCRIPTOR_FORMAT}, {
463  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_USER_BUFFER}, {
464  	ERRHRD, ERRgeneral, NT_STATUS_UNEXPECTED_IO_ERROR}, {
465  	ERRHRD, ERRgeneral, NT_STATUS_UNEXPECTED_MM_CREATE_ERR}, {
466  	ERRHRD, ERRgeneral, NT_STATUS_UNEXPECTED_MM_MAP_ERROR}, {
467  	ERRHRD, ERRgeneral, NT_STATUS_UNEXPECTED_MM_EXTEND_ERR}, {
468  	ERRHRD, ERRgeneral, NT_STATUS_NOT_LOGON_PROCESS}, {
469  	ERRHRD, ERRgeneral, NT_STATUS_LOGON_SESSION_EXISTS}, {
470  	ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_1}, {
471  	ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_2}, {
472  	ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_3}, {
473  	ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_4}, {
474  	ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_5}, {
475  	ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_6}, {
476  	ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_7}, {
477  	ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_8}, {
478  	ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_9}, {
479  	ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_10}, {
480  	ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_11}, {
481  	ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_12}, {
482  	ERRDOS, ERRbadpath, NT_STATUS_REDIRECTOR_NOT_STARTED}, {
483  	ERRHRD, ERRgeneral, NT_STATUS_REDIRECTOR_STARTED}, {
484  	ERRHRD, ERRgeneral, NT_STATUS_STACK_OVERFLOW}, {
485  	ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_PACKAGE}, {
486  	ERRHRD, ERRgeneral, NT_STATUS_BAD_FUNCTION_TABLE}, {
487  	ERRDOS, 203, 0xc0000100}, {
488  	ERRDOS, 145, NT_STATUS_DIRECTORY_NOT_EMPTY}, {
489  	ERRHRD, ERRgeneral, NT_STATUS_FILE_CORRUPT_ERROR}, {
490  	ERRDOS, 267, NT_STATUS_NOT_A_DIRECTORY}, {
491  	ERRHRD, ERRgeneral, NT_STATUS_BAD_LOGON_SESSION_STATE}, {
492  	ERRHRD, ERRgeneral, NT_STATUS_LOGON_SESSION_COLLISION}, {
493  	ERRDOS, 206, NT_STATUS_NAME_TOO_LONG}, {
494  	ERRDOS, 2401, NT_STATUS_FILES_OPEN}, {
495  	ERRDOS, 2404, NT_STATUS_CONNECTION_IN_USE}, {
496  	ERRHRD, ERRgeneral, NT_STATUS_MESSAGE_NOT_FOUND}, {
497  	ERRDOS, ERRnoaccess, NT_STATUS_PROCESS_IS_TERMINATING}, {
498  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_LOGON_TYPE}, {
499  	ERRHRD, ERRgeneral, NT_STATUS_NO_GUID_TRANSLATION}, {
500  	ERRHRD, ERRgeneral, NT_STATUS_CANNOT_IMPERSONATE}, {
501  	ERRHRD, ERRgeneral, NT_STATUS_IMAGE_ALREADY_LOADED}, {
502  	ERRHRD, ERRgeneral, NT_STATUS_ABIOS_NOT_PRESENT}, {
503  	ERRHRD, ERRgeneral, NT_STATUS_ABIOS_LID_NOT_EXIST}, {
504  	ERRHRD, ERRgeneral, NT_STATUS_ABIOS_LID_ALREADY_OWNED}, {
505  	ERRHRD, ERRgeneral, NT_STATUS_ABIOS_NOT_LID_OWNER}, {
506  	ERRHRD, ERRgeneral, NT_STATUS_ABIOS_INVALID_COMMAND}, {
507  	ERRHRD, ERRgeneral, NT_STATUS_ABIOS_INVALID_LID}, {
508  	ERRHRD, ERRgeneral, NT_STATUS_ABIOS_SELECTOR_NOT_AVAILABLE}, {
509  	ERRHRD, ERRgeneral, NT_STATUS_ABIOS_INVALID_SELECTOR}, {
510  	ERRHRD, ERRgeneral, NT_STATUS_NO_LDT}, {
511  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_LDT_SIZE}, {
512  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_LDT_OFFSET}, {
513  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_LDT_DESCRIPTOR}, {
514  	ERRDOS, 193, NT_STATUS_INVALID_IMAGE_NE_FORMAT}, {
515  	ERRHRD, ERRgeneral, NT_STATUS_RXACT_INVALID_STATE}, {
516  	ERRHRD, ERRgeneral, NT_STATUS_RXACT_COMMIT_FAILURE}, {
517  	ERRHRD, ERRgeneral, NT_STATUS_MAPPED_FILE_SIZE_ZERO}, {
518  	ERRDOS, ERRnofids, NT_STATUS_TOO_MANY_OPENED_FILES}, {
519  	ERRHRD, ERRgeneral, NT_STATUS_CANCELLED}, {
520  	ERRDOS, ERRnoaccess, NT_STATUS_CANNOT_DELETE}, {
521  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_COMPUTER_NAME}, {
522  	ERRDOS, ERRnoaccess, NT_STATUS_FILE_DELETED}, {
523  	ERRHRD, ERRgeneral, NT_STATUS_SPECIAL_ACCOUNT}, {
524  	ERRHRD, ERRgeneral, NT_STATUS_SPECIAL_GROUP}, {
525  	ERRHRD, ERRgeneral, NT_STATUS_SPECIAL_USER}, {
526  	ERRHRD, ERRgeneral, NT_STATUS_MEMBERS_PRIMARY_GROUP}, {
527  	ERRDOS, ERRbadfid, NT_STATUS_FILE_CLOSED}, {
528  	ERRHRD, ERRgeneral, NT_STATUS_TOO_MANY_THREADS}, {
529  	ERRHRD, ERRgeneral, NT_STATUS_THREAD_NOT_IN_PROCESS}, {
530  	ERRHRD, ERRgeneral, NT_STATUS_TOKEN_ALREADY_IN_USE}, {
531  	ERRHRD, ERRgeneral, NT_STATUS_PAGEFILE_QUOTA_EXCEEDED}, {
532  	ERRHRD, ERRgeneral, NT_STATUS_COMMITMENT_LIMIT}, {
533  	ERRDOS, 193, NT_STATUS_INVALID_IMAGE_LE_FORMAT}, {
534  	ERRDOS, 193, NT_STATUS_INVALID_IMAGE_NOT_MZ}, {
535  	ERRDOS, 193, NT_STATUS_INVALID_IMAGE_PROTECT}, {
536  	ERRDOS, 193, NT_STATUS_INVALID_IMAGE_WIN_16}, {
537  	ERRHRD, ERRgeneral, NT_STATUS_LOGON_SERVER_CONFLICT}, {
538  	ERRHRD, ERRgeneral, NT_STATUS_TIME_DIFFERENCE_AT_DC}, {
539  	ERRHRD, ERRgeneral, NT_STATUS_SYNCHRONIZATION_REQUIRED}, {
540  	ERRDOS, 126, NT_STATUS_DLL_NOT_FOUND}, {
541  	ERRHRD, ERRgeneral, NT_STATUS_OPEN_FAILED}, {
542  	ERRHRD, ERRgeneral, NT_STATUS_IO_PRIVILEGE_FAILED}, {
543  	ERRDOS, 182, NT_STATUS_ORDINAL_NOT_FOUND}, {
544  	ERRDOS, 127, NT_STATUS_ENTRYPOINT_NOT_FOUND}, {
545  	ERRHRD, ERRgeneral, NT_STATUS_CONTROL_C_EXIT}, {
546  	ERRDOS, 64, NT_STATUS_LOCAL_DISCONNECT}, {
547  	ERRDOS, 64, NT_STATUS_REMOTE_DISCONNECT}, {
548  	ERRDOS, 51, NT_STATUS_REMOTE_RESOURCES}, {
549  	ERRDOS, 59, NT_STATUS_LINK_FAILED}, {
550  	ERRDOS, 59, NT_STATUS_LINK_TIMEOUT}, {
551  	ERRDOS, 59, NT_STATUS_INVALID_CONNECTION}, {
552  	ERRDOS, 59, NT_STATUS_INVALID_ADDRESS}, {
553  	ERRHRD, ERRgeneral, NT_STATUS_DLL_INIT_FAILED}, {
554  	ERRHRD, ERRgeneral, NT_STATUS_MISSING_SYSTEMFILE}, {
555  	ERRHRD, ERRgeneral, NT_STATUS_UNHANDLED_EXCEPTION}, {
556  	ERRHRD, ERRgeneral, NT_STATUS_APP_INIT_FAILURE}, {
557  	ERRHRD, ERRgeneral, NT_STATUS_PAGEFILE_CREATE_FAILED}, {
558  	ERRHRD, ERRgeneral, NT_STATUS_NO_PAGEFILE}, {
559  	ERRDOS, 124, NT_STATUS_INVALID_LEVEL}, {
560  	ERRDOS, 86, NT_STATUS_WRONG_PASSWORD_CORE}, {
561  	ERRHRD, ERRgeneral, NT_STATUS_ILLEGAL_FLOAT_CONTEXT}, {
562  	ERRDOS, 109, NT_STATUS_PIPE_BROKEN}, {
563  	ERRHRD, ERRgeneral, NT_STATUS_REGISTRY_CORRUPT}, {
564  	ERRHRD, ERRgeneral, NT_STATUS_REGISTRY_IO_FAILED}, {
565  	ERRHRD, ERRgeneral, NT_STATUS_NO_EVENT_PAIR}, {
566  	ERRHRD, ERRgeneral, NT_STATUS_UNRECOGNIZED_VOLUME}, {
567  	ERRHRD, ERRgeneral, NT_STATUS_SERIAL_NO_DEVICE_INITED}, {
568  	ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_ALIAS}, {
569  	ERRHRD, ERRgeneral, NT_STATUS_MEMBER_NOT_IN_ALIAS}, {
570  	ERRHRD, ERRgeneral, NT_STATUS_MEMBER_IN_ALIAS}, {
571  	ERRHRD, ERRgeneral, NT_STATUS_ALIAS_EXISTS}, {
572  	ERRHRD, ERRgeneral, NT_STATUS_LOGON_NOT_GRANTED}, {
573  	ERRHRD, ERRgeneral, NT_STATUS_TOO_MANY_SECRETS}, {
574  	ERRHRD, ERRgeneral, NT_STATUS_SECRET_TOO_LONG}, {
575  	ERRHRD, ERRgeneral, NT_STATUS_INTERNAL_DB_ERROR}, {
576  	ERRHRD, ERRgeneral, NT_STATUS_FULLSCREEN_MODE}, {
577  	ERRHRD, ERRgeneral, NT_STATUS_TOO_MANY_CONTEXT_IDS}, {
578  	ERRDOS, ERRnoaccess, NT_STATUS_LOGON_TYPE_NOT_GRANTED}, {
579  	ERRHRD, ERRgeneral, NT_STATUS_NOT_REGISTRY_FILE}, {
580  	ERRHRD, ERRgeneral, NT_STATUS_NT_CROSS_ENCRYPTION_REQUIRED}, {
581  	ERRHRD, ERRgeneral, NT_STATUS_DOMAIN_CTRLR_CONFIG_ERROR}, {
582  	ERRHRD, ERRgeneral, NT_STATUS_FT_MISSING_MEMBER}, {
583  	ERRHRD, ERRgeneral, NT_STATUS_ILL_FORMED_SERVICE_ENTRY}, {
584  	ERRHRD, ERRgeneral, NT_STATUS_ILLEGAL_CHARACTER}, {
585  	ERRHRD, ERRgeneral, NT_STATUS_UNMAPPABLE_CHARACTER}, {
586  	ERRHRD, ERRgeneral, NT_STATUS_UNDEFINED_CHARACTER}, {
587  	ERRHRD, ERRgeneral, NT_STATUS_FLOPPY_VOLUME}, {
588  	ERRHRD, ERRgeneral, NT_STATUS_FLOPPY_ID_MARK_NOT_FOUND}, {
589  	ERRHRD, ERRgeneral, NT_STATUS_FLOPPY_WRONG_CYLINDER}, {
590  	ERRHRD, ERRgeneral, NT_STATUS_FLOPPY_UNKNOWN_ERROR}, {
591  	ERRHRD, ERRgeneral, NT_STATUS_FLOPPY_BAD_REGISTERS}, {
592  	ERRHRD, ERRgeneral, NT_STATUS_DISK_RECALIBRATE_FAILED}, {
593  	ERRHRD, ERRgeneral, NT_STATUS_DISK_OPERATION_FAILED}, {
594  	ERRHRD, ERRgeneral, NT_STATUS_DISK_RESET_FAILED}, {
595  	ERRHRD, ERRgeneral, NT_STATUS_SHARED_IRQ_BUSY}, {
596  	ERRHRD, ERRgeneral, NT_STATUS_FT_ORPHANING}, {
597  	ERRHRD, ERRgeneral, 0xc000016e}, {
598  	ERRHRD, ERRgeneral, 0xc000016f}, {
599  	ERRHRD, ERRgeneral, 0xc0000170}, {
600  	ERRHRD, ERRgeneral, 0xc0000171}, {
601  	ERRHRD, ERRgeneral, NT_STATUS_PARTITION_FAILURE}, {
602  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_BLOCK_LENGTH}, {
603  	ERRHRD, ERRgeneral, NT_STATUS_DEVICE_NOT_PARTITIONED}, {
604  	ERRHRD, ERRgeneral, NT_STATUS_UNABLE_TO_LOCK_MEDIA}, {
605  	ERRHRD, ERRgeneral, NT_STATUS_UNABLE_TO_UNLOAD_MEDIA}, {
606  	ERRHRD, ERRgeneral, NT_STATUS_EOM_OVERFLOW}, {
607  	ERRHRD, ERRgeneral, NT_STATUS_NO_MEDIA}, {
608  	ERRHRD, ERRgeneral, 0xc0000179}, {
609  	ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_MEMBER}, {
610  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_MEMBER}, {
611  	ERRHRD, ERRgeneral, NT_STATUS_KEY_DELETED}, {
612  	ERRHRD, ERRgeneral, NT_STATUS_NO_LOG_SPACE}, {
613  	ERRHRD, ERRgeneral, NT_STATUS_TOO_MANY_SIDS}, {
614  	ERRHRD, ERRgeneral, NT_STATUS_LM_CROSS_ENCRYPTION_REQUIRED}, {
615  	ERRHRD, ERRgeneral, NT_STATUS_KEY_HAS_CHILDREN}, {
616  	ERRHRD, ERRgeneral, NT_STATUS_CHILD_MUST_BE_VOLATILE}, {
617  	ERRDOS, 87, NT_STATUS_DEVICE_CONFIGURATION_ERROR}, {
618  	ERRHRD, ERRgeneral, NT_STATUS_DRIVER_INTERNAL_ERROR}, {
619  	ERRDOS, 22, NT_STATUS_INVALID_DEVICE_STATE}, {
620  	ERRHRD, ERRgeneral, NT_STATUS_IO_DEVICE_ERROR}, {
621  	ERRHRD, ERRgeneral, NT_STATUS_DEVICE_PROTOCOL_ERROR}, {
622  	ERRHRD, ERRgeneral, NT_STATUS_BACKUP_CONTROLLER}, {
623  	ERRHRD, ERRgeneral, NT_STATUS_LOG_FILE_FULL}, {
624  	ERRDOS, 19, NT_STATUS_TOO_LATE}, {
625  	ERRDOS, ERRnoaccess, NT_STATUS_NO_TRUST_LSA_SECRET},
626  /*	{ This NT error code was 'sqashed'
627  	 from NT_STATUS_NO_TRUST_SAM_ACCOUNT to
628  	 NT_STATUS_TRUSTED_RELATIONSHIP_FAILURE during the session setup } */
629  	{
630  	ERRDOS, ERRnoaccess, NT_STATUS_NO_TRUST_SAM_ACCOUNT}, {
631  	ERRDOS, ERRnoaccess, NT_STATUS_TRUSTED_DOMAIN_FAILURE}, {
632  	ERRDOS, ERRnoaccess, NT_STATUS_TRUSTED_RELATIONSHIP_FAILURE}, {
633  	ERRHRD, ERRgeneral, NT_STATUS_EVENTLOG_FILE_CORRUPT}, {
634  	ERRHRD, ERRgeneral, NT_STATUS_EVENTLOG_CANT_START}, {
635  	ERRDOS, ERRnoaccess, NT_STATUS_TRUST_FAILURE}, {
636  	ERRHRD, ERRgeneral, NT_STATUS_MUTANT_LIMIT_EXCEEDED}, {
637  	ERRDOS, ERRnetlogonNotStarted, NT_STATUS_NETLOGON_NOT_STARTED}, {
638  	ERRSRV, ERRaccountexpired, NT_STATUS_ACCOUNT_EXPIRED}, {
639  	ERRHRD, ERRgeneral, NT_STATUS_POSSIBLE_DEADLOCK}, {
640  	ERRHRD, ERRgeneral, NT_STATUS_NETWORK_CREDENTIAL_CONFLICT}, {
641  	ERRHRD, ERRgeneral, NT_STATUS_REMOTE_SESSION_LIMIT}, {
642  	ERRHRD, ERRgeneral, NT_STATUS_EVENTLOG_FILE_CHANGED}, {
643  	ERRDOS, ERRnoaccess, NT_STATUS_NOLOGON_INTERDOMAIN_TRUST_ACCOUNT}, {
644  	ERRDOS, ERRnoaccess, NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT}, {
645  	ERRDOS, ERRnoaccess, NT_STATUS_NOLOGON_SERVER_TRUST_ACCOUNT},
646  /*	{ This NT error code was 'sqashed'
647  	 from NT_STATUS_DOMAIN_TRUST_INCONSISTENT to NT_STATUS_LOGON_FAILURE
648  	 during the session setup }  */
649  	{
650  	ERRDOS, ERRnoaccess, NT_STATUS_DOMAIN_TRUST_INCONSISTENT}, {
651  	ERRHRD, ERRgeneral, NT_STATUS_FS_DRIVER_REQUIRED}, {
652  	ERRHRD, ERRgeneral, NT_STATUS_NO_USER_SESSION_KEY}, {
653  	ERRDOS, 59, NT_STATUS_USER_SESSION_DELETED}, {
654  	ERRHRD, ERRgeneral, NT_STATUS_RESOURCE_LANG_NOT_FOUND}, {
655  	ERRDOS, ERRnoresource, NT_STATUS_INSUFF_SERVER_RESOURCES}, {
656  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_BUFFER_SIZE}, {
657  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_ADDRESS_COMPONENT}, {
658  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_ADDRESS_WILDCARD}, {
659  	ERRDOS, 68, NT_STATUS_TOO_MANY_ADDRESSES}, {
660  	ERRDOS, 52, NT_STATUS_ADDRESS_ALREADY_EXISTS}, {
661  	ERRDOS, 64, NT_STATUS_ADDRESS_CLOSED}, {
662  	ERRDOS, 64, NT_STATUS_CONNECTION_DISCONNECTED}, {
663  	ERRDOS, 64, NT_STATUS_CONNECTION_RESET}, {
664  	ERRDOS, 68, NT_STATUS_TOO_MANY_NODES}, {
665  	ERRDOS, 59, NT_STATUS_TRANSACTION_ABORTED}, {
666  	ERRDOS, 59, NT_STATUS_TRANSACTION_TIMED_OUT}, {
667  	ERRDOS, 59, NT_STATUS_TRANSACTION_NO_RELEASE}, {
668  	ERRDOS, 59, NT_STATUS_TRANSACTION_NO_MATCH}, {
669  	ERRDOS, 59, NT_STATUS_TRANSACTION_RESPONDED}, {
670  	ERRDOS, 59, NT_STATUS_TRANSACTION_INVALID_ID}, {
671  	ERRDOS, 59, NT_STATUS_TRANSACTION_INVALID_TYPE}, {
672  	ERRDOS, ERRunsup, NT_STATUS_NOT_SERVER_SESSION}, {
673  	ERRDOS, ERRunsup, NT_STATUS_NOT_CLIENT_SESSION}, {
674  	ERRHRD, ERRgeneral, NT_STATUS_CANNOT_LOAD_REGISTRY_FILE}, {
675  	ERRHRD, ERRgeneral, NT_STATUS_DEBUG_ATTACH_FAILED}, {
676  	ERRHRD, ERRgeneral, NT_STATUS_SYSTEM_PROCESS_TERMINATED}, {
677  	ERRHRD, ERRgeneral, NT_STATUS_DATA_NOT_ACCEPTED}, {
678  	ERRHRD, ERRgeneral, NT_STATUS_NO_BROWSER_SERVERS_FOUND}, {
679  	ERRHRD, ERRgeneral, NT_STATUS_VDM_HARD_ERROR}, {
680  	ERRHRD, ERRgeneral, NT_STATUS_DRIVER_CANCEL_TIMEOUT}, {
681  	ERRHRD, ERRgeneral, NT_STATUS_REPLY_MESSAGE_MISMATCH}, {
682  	ERRHRD, ERRgeneral, NT_STATUS_MAPPED_ALIGNMENT}, {
683  	ERRDOS, 193, NT_STATUS_IMAGE_CHECKSUM_MISMATCH}, {
684  	ERRHRD, ERRgeneral, NT_STATUS_LOST_WRITEBEHIND_DATA}, {
685  	ERRHRD, ERRgeneral, NT_STATUS_CLIENT_SERVER_PARAMETERS_INVALID}, {
686  	ERRSRV, ERRpasswordExpired, NT_STATUS_PASSWORD_MUST_CHANGE}, {
687  	ERRHRD, ERRgeneral, NT_STATUS_NOT_FOUND}, {
688  	ERRHRD, ERRgeneral, NT_STATUS_NOT_TINY_STREAM}, {
689  	ERRHRD, ERRgeneral, NT_STATUS_RECOVERY_FAILURE}, {
690  	ERRHRD, ERRgeneral, NT_STATUS_STACK_OVERFLOW_READ}, {
691  	ERRHRD, ERRgeneral, NT_STATUS_FAIL_CHECK}, {
692  	ERRHRD, ERRgeneral, NT_STATUS_DUPLICATE_OBJECTID}, {
693  	ERRHRD, ERRgeneral, NT_STATUS_OBJECTID_EXISTS}, {
694  	ERRHRD, ERRgeneral, NT_STATUS_CONVERT_TO_LARGE}, {
695  	ERRHRD, ERRgeneral, NT_STATUS_RETRY}, {
696  	ERRHRD, ERRgeneral, NT_STATUS_FOUND_OUT_OF_SCOPE}, {
697  	ERRHRD, ERRgeneral, NT_STATUS_ALLOCATE_BUCKET}, {
698  	ERRHRD, ERRgeneral, NT_STATUS_PROPSET_NOT_FOUND}, {
699  	ERRHRD, ERRgeneral, NT_STATUS_MARSHALL_OVERFLOW}, {
700  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_VARIANT}, {
701  	ERRHRD, ERRgeneral, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND}, {
702  	ERRDOS, ERRnoaccess, NT_STATUS_ACCOUNT_LOCKED_OUT}, {
703  	ERRDOS, ERRbadfid, NT_STATUS_HANDLE_NOT_CLOSABLE}, {
704  	ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_REFUSED}, {
705  	ERRHRD, ERRgeneral, NT_STATUS_GRACEFUL_DISCONNECT}, {
706  	ERRHRD, ERRgeneral, NT_STATUS_ADDRESS_ALREADY_ASSOCIATED}, {
707  	ERRHRD, ERRgeneral, NT_STATUS_ADDRESS_NOT_ASSOCIATED}, {
708  	ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_INVALID}, {
709  	ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_ACTIVE}, {
710  	ERRHRD, ERRgeneral, NT_STATUS_NETWORK_UNREACHABLE}, {
711  	ERRHRD, ERRgeneral, NT_STATUS_HOST_UNREACHABLE}, {
712  	ERRHRD, ERRgeneral, NT_STATUS_PROTOCOL_UNREACHABLE}, {
713  	ERRHRD, ERRgeneral, NT_STATUS_PORT_UNREACHABLE}, {
714  	ERRHRD, ERRgeneral, NT_STATUS_REQUEST_ABORTED}, {
715  	ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_ABORTED}, {
716  	ERRHRD, ERRgeneral, NT_STATUS_BAD_COMPRESSION_BUFFER}, {
717  	ERRHRD, ERRgeneral, NT_STATUS_USER_MAPPED_FILE}, {
718  	ERRHRD, ERRgeneral, NT_STATUS_AUDIT_FAILED}, {
719  	ERRHRD, ERRgeneral, NT_STATUS_TIMER_RESOLUTION_NOT_SET}, {
720  	ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_COUNT_LIMIT}, {
721  	ERRHRD, ERRgeneral, NT_STATUS_LOGIN_TIME_RESTRICTION}, {
722  	ERRHRD, ERRgeneral, NT_STATUS_LOGIN_WKSTA_RESTRICTION}, {
723  	ERRDOS, 193, NT_STATUS_IMAGE_MP_UP_MISMATCH}, {
724  	ERRHRD, ERRgeneral, 0xc000024a}, {
725  	ERRHRD, ERRgeneral, 0xc000024b}, {
726  	ERRHRD, ERRgeneral, 0xc000024c}, {
727  	ERRHRD, ERRgeneral, 0xc000024d}, {
728  	ERRHRD, ERRgeneral, 0xc000024e}, {
729  	ERRHRD, ERRgeneral, 0xc000024f}, {
730  	ERRHRD, ERRgeneral, NT_STATUS_INSUFFICIENT_LOGON_INFO}, {
731  	ERRHRD, ERRgeneral, NT_STATUS_BAD_DLL_ENTRYPOINT}, {
732  	ERRHRD, ERRgeneral, NT_STATUS_BAD_SERVICE_ENTRYPOINT}, {
733  	ERRHRD, ERRgeneral, NT_STATUS_LPC_REPLY_LOST}, {
734  	ERRHRD, ERRgeneral, NT_STATUS_IP_ADDRESS_CONFLICT1}, {
735  	ERRHRD, ERRgeneral, NT_STATUS_IP_ADDRESS_CONFLICT2}, {
736  	ERRHRD, ERRgeneral, NT_STATUS_REGISTRY_QUOTA_LIMIT}, {
737  	ERRSRV, 3, NT_STATUS_PATH_NOT_COVERED}, {
738  	ERRHRD, ERRgeneral, NT_STATUS_NO_CALLBACK_ACTIVE}, {
739  	ERRHRD, ERRgeneral, NT_STATUS_LICENSE_QUOTA_EXCEEDED}, {
740  	ERRHRD, ERRgeneral, NT_STATUS_PWD_TOO_SHORT}, {
741  	ERRHRD, ERRgeneral, NT_STATUS_PWD_TOO_RECENT}, {
742  	ERRHRD, ERRgeneral, NT_STATUS_PWD_HISTORY_CONFLICT}, {
743  	ERRHRD, ERRgeneral, 0xc000025d}, {
744  	ERRHRD, ERRgeneral, NT_STATUS_PLUGPLAY_NO_DEVICE}, {
745  	ERRHRD, ERRgeneral, NT_STATUS_UNSUPPORTED_COMPRESSION}, {
746  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_HW_PROFILE}, {
747  	ERRHRD, ERRgeneral, NT_STATUS_INVALID_PLUGPLAY_DEVICE_PATH}, {
748  	ERRDOS, 182, NT_STATUS_DRIVER_ORDINAL_NOT_FOUND}, {
749  	ERRDOS, 127, NT_STATUS_DRIVER_ENTRYPOINT_NOT_FOUND}, {
750  	ERRDOS, 288, NT_STATUS_RESOURCE_NOT_OWNED}, {
751  	ERRDOS, ErrTooManyLinks, NT_STATUS_TOO_MANY_LINKS}, {
752  	ERRHRD, ERRgeneral, NT_STATUS_QUOTA_LIST_INCONSISTENT}, {
753  	ERRHRD, ERRgeneral, NT_STATUS_FILE_IS_OFFLINE}, {
754  	ERRDOS, 21, 0xc000026e}, {
755  	ERRDOS, 161, 0xc0000281}, {
756  	ERRDOS, ERRnoaccess, 0xc000028a}, {
757  	ERRDOS, ERRnoaccess, 0xc000028b}, {
758  	ERRHRD, ERRgeneral, 0xc000028c}, {
759  	ERRDOS, ERRnoaccess, 0xc000028d}, {
760  	ERRDOS, ERRnoaccess, 0xc000028e}, {
761  	ERRDOS, ERRnoaccess, 0xc000028f}, {
762  	ERRDOS, ERRnoaccess, 0xc0000290}, {
763  	ERRDOS, ERRbadfunc, 0xc000029c}, {
764  	ERRDOS, ERRsymlink, NT_STATUS_STOPPED_ON_SYMLINK}, {
765  	ERRDOS, ERRinvlevel, 0x007c0001}, {
766  	0, 0, 0 }
767  };
768  
769  /*****************************************************************************
770   Print an error message from the status code
771   *****************************************************************************/
772  static void
cifs_print_status(__u32 status_code)773  cifs_print_status(__u32 status_code)
774  {
775  	int idx = 0;
776  
777  	while (nt_errs[idx].nt_errstr != NULL) {
778  		if (((nt_errs[idx].nt_errcode) & 0xFFFFFF) ==
779  		    (status_code & 0xFFFFFF)) {
780  			pr_notice("Status code returned 0x%08x %s\n",
781  				  status_code, nt_errs[idx].nt_errstr);
782  		}
783  		idx++;
784  	}
785  	return;
786  }
787  
788  
789  static void
ntstatus_to_dos(__u32 ntstatus,__u8 * eclass,__u16 * ecode)790  ntstatus_to_dos(__u32 ntstatus, __u8 *eclass, __u16 *ecode)
791  {
792  	int i;
793  	if (ntstatus == 0) {
794  		*eclass = 0;
795  		*ecode = 0;
796  		return;
797  	}
798  	for (i = 0; ntstatus_to_dos_map[i].ntstatus; i++) {
799  		if (ntstatus == ntstatus_to_dos_map[i].ntstatus) {
800  			*eclass = ntstatus_to_dos_map[i].dos_class;
801  			*ecode = ntstatus_to_dos_map[i].dos_code;
802  			return;
803  		}
804  	}
805  	*eclass = ERRHRD;
806  	*ecode = ERRgeneral;
807  }
808  
809  int
map_smb_to_linux_error(char * buf,bool logErr)810  map_smb_to_linux_error(char *buf, bool logErr)
811  {
812  	struct smb_hdr *smb = (struct smb_hdr *)buf;
813  	unsigned int i;
814  	int rc = -EIO;	/* if transport error smb error may not be set */
815  	__u8 smberrclass;
816  	__u16 smberrcode;
817  
818  	/* BB if NT Status codes - map NT BB */
819  
820  	/* old style smb error codes */
821  	if (smb->Status.CifsError == 0)
822  		return 0;
823  
824  	if (smb->Flags2 & SMBFLG2_ERR_STATUS) {
825  		/* translate the newer STATUS codes to old style SMB errors
826  		 * and then to POSIX errors */
827  		__u32 err = le32_to_cpu(smb->Status.CifsError);
828  		if (logErr && (err != (NT_STATUS_MORE_PROCESSING_REQUIRED)))
829  			cifs_print_status(err);
830  		else if (cifsFYI & CIFS_RC)
831  			cifs_print_status(err);
832  		ntstatus_to_dos(err, &smberrclass, &smberrcode);
833  	} else {
834  		smberrclass = smb->Status.DosError.ErrorClass;
835  		smberrcode = le16_to_cpu(smb->Status.DosError.Error);
836  	}
837  
838  	/* old style errors */
839  
840  	/* DOS class smb error codes - map DOS */
841  	if (smberrclass == ERRDOS) {
842  		/* 1 byte field no need to byte reverse */
843  		for (i = 0;
844  		     i <
845  		     sizeof(mapping_table_ERRDOS) /
846  		     sizeof(struct smb_to_posix_error); i++) {
847  			if (mapping_table_ERRDOS[i].smb_err == 0)
848  				break;
849  			else if (mapping_table_ERRDOS[i].smb_err ==
850  								smberrcode) {
851  				rc = mapping_table_ERRDOS[i].posix_code;
852  				break;
853  			}
854  			/* else try next error mapping one to see if match */
855  		}
856  	} else if (smberrclass == ERRSRV) {
857  		/* server class of error codes */
858  		for (i = 0;
859  		     i <
860  		     sizeof(mapping_table_ERRSRV) /
861  		     sizeof(struct smb_to_posix_error); i++) {
862  			if (mapping_table_ERRSRV[i].smb_err == 0)
863  				break;
864  			else if (mapping_table_ERRSRV[i].smb_err ==
865  								smberrcode) {
866  				rc = mapping_table_ERRSRV[i].posix_code;
867  				break;
868  			}
869  			/* else try next error mapping to see if match */
870  		}
871  	}
872  	/* else ERRHRD class errors or junk  - return EIO */
873  
874  	cifs_dbg(FYI, "Mapping smb error code 0x%x to POSIX err %d\n",
875  		 le32_to_cpu(smb->Status.CifsError), rc);
876  
877  	/* generic corrective action e.g. reconnect SMB session on
878  	 * ERRbaduid could be added */
879  
880  	return rc;
881  }
882  
883  int
map_and_check_smb_error(struct mid_q_entry * mid,bool logErr)884  map_and_check_smb_error(struct mid_q_entry *mid, bool logErr)
885  {
886  	int rc;
887  	struct smb_hdr *smb = (struct smb_hdr *)mid->resp_buf;
888  
889  	rc = map_smb_to_linux_error((char *)smb, logErr);
890  	if (rc == -EACCES && !(smb->Flags2 & SMBFLG2_ERR_STATUS)) {
891  		/* possible ERRBaduid */
892  		__u8 class = smb->Status.DosError.ErrorClass;
893  		__u16 code = le16_to_cpu(smb->Status.DosError.Error);
894  
895  		/* switch can be used to handle different errors */
896  		if (class == ERRSRV && code == ERRbaduid) {
897  			cifs_dbg(FYI, "Server returned 0x%x, reconnecting session...\n",
898  				code);
899  			cifs_signal_cifsd_for_reconnect(mid->server, false);
900  		}
901  	}
902  
903  	return rc;
904  }
905  
906  
907  /*
908   * calculate the size of the SMB message based on the fixed header
909   * portion, the number of word parameters and the data portion of the message
910   */
911  unsigned int
smbCalcSize(void * buf)912  smbCalcSize(void *buf)
913  {
914  	struct smb_hdr *ptr = buf;
915  	return (sizeof(struct smb_hdr) + (2 * ptr->WordCount) +
916  		2 /* size of the bcc field */ + get_bcc(ptr));
917  }
918  
919  /* The following are taken from fs/ntfs/util.c */
920  
921  #define NTFS_TIME_OFFSET ((u64)(369*365 + 89) * 24 * 3600 * 10000000)
922  
923  /*
924   * Convert the NT UTC (based 1601-01-01, in hundred nanosecond units)
925   * into Unix UTC (based 1970-01-01, in seconds).
926   */
927  struct timespec64
cifs_NTtimeToUnix(__le64 ntutc)928  cifs_NTtimeToUnix(__le64 ntutc)
929  {
930  	struct timespec64 ts;
931  	/* BB what about the timezone? BB */
932  
933  	/* Subtract the NTFS time offset, then convert to 1s intervals. */
934  	s64 t = le64_to_cpu(ntutc) - NTFS_TIME_OFFSET;
935  	u64 abs_t;
936  
937  	/*
938  	 * Unfortunately can not use normal 64 bit division on 32 bit arch, but
939  	 * the alternative, do_div, does not work with negative numbers so have
940  	 * to special case them
941  	 */
942  	if (t < 0) {
943  		abs_t = -t;
944  		ts.tv_nsec = (time64_t)(do_div(abs_t, 10000000) * 100);
945  		ts.tv_nsec = -ts.tv_nsec;
946  		ts.tv_sec = -abs_t;
947  	} else {
948  		abs_t = t;
949  		ts.tv_nsec = (time64_t)do_div(abs_t, 10000000) * 100;
950  		ts.tv_sec = abs_t;
951  	}
952  
953  	return ts;
954  }
955  
956  /* Convert the Unix UTC into NT UTC. */
957  u64
cifs_UnixTimeToNT(struct timespec64 t)958  cifs_UnixTimeToNT(struct timespec64 t)
959  {
960  	/* Convert to 100ns intervals and then add the NTFS time offset. */
961  	return (u64) t.tv_sec * 10000000 + t.tv_nsec/100 + NTFS_TIME_OFFSET;
962  }
963  
964  static const int total_days_of_prev_months[] = {
965  	0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
966  };
967  
cnvrtDosUnixTm(__le16 le_date,__le16 le_time,int offset)968  struct timespec64 cnvrtDosUnixTm(__le16 le_date, __le16 le_time, int offset)
969  {
970  	struct timespec64 ts;
971  	time64_t sec, days;
972  	int min, day, month, year;
973  	u16 date = le16_to_cpu(le_date);
974  	u16 time = le16_to_cpu(le_time);
975  	SMB_TIME *st = (SMB_TIME *)&time;
976  	SMB_DATE *sd = (SMB_DATE *)&date;
977  
978  	cifs_dbg(FYI, "date %d time %d\n", date, time);
979  
980  	sec = 2 * st->TwoSeconds;
981  	min = st->Minutes;
982  	if ((sec > 59) || (min > 59))
983  		cifs_dbg(VFS, "Invalid time min %d sec %lld\n", min, sec);
984  	sec += (min * 60);
985  	sec += 60 * 60 * st->Hours;
986  	if (st->Hours > 24)
987  		cifs_dbg(VFS, "Invalid hours %d\n", st->Hours);
988  	day = sd->Day;
989  	month = sd->Month;
990  	if (day < 1 || day > 31 || month < 1 || month > 12) {
991  		cifs_dbg(VFS, "Invalid date, month %d day: %d\n", month, day);
992  		day = clamp(day, 1, 31);
993  		month = clamp(month, 1, 12);
994  	}
995  	month -= 1;
996  	days = day + total_days_of_prev_months[month];
997  	days += 3652; /* account for difference in days between 1980 and 1970 */
998  	year = sd->Year;
999  	days += year * 365;
1000  	days += (year/4); /* leap year */
1001  	/* generalized leap year calculation is more complex, ie no leap year
1002  	for years/100 except for years/400, but since the maximum number for DOS
1003  	 year is 2**7, the last year is 1980+127, which means we need only
1004  	 consider 2 special case years, ie the years 2000 and 2100, and only
1005  	 adjust for the lack of leap year for the year 2100, as 2000 was a
1006  	 leap year (divisible by 400) */
1007  	if (year >= 120)  /* the year 2100 */
1008  		days = days - 1;  /* do not count leap year for the year 2100 */
1009  
1010  	/* adjust for leap year where we are still before leap day */
1011  	if (year != 120)
1012  		days -= ((year & 0x03) == 0) && (month < 2 ? 1 : 0);
1013  	sec += 24 * 60 * 60 * days;
1014  
1015  	ts.tv_sec = sec + offset;
1016  
1017  	/* cifs_dbg(FYI, "sec after cnvrt dos to unix time %d\n",sec); */
1018  
1019  	ts.tv_nsec = 0;
1020  	return ts;
1021  }
1022