fs/cifs/netmisc.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *   fs/cifs/netmisc.c
   4  *
   5  *   Copyright (c) International Business Machines  Corp., 2002,2008
   6  *   Author(s): Steve French (sfrench@us.ibm.com)
   7  *
   8  *   Error mapping routines from Samba libsmb/errormap.c
   9  *   Copyright (C) Andrew Tridgell 2001
  10  */
  11
  12 #include <linux/net.h>
  13 #include <linux/string.h>
  14 #include <linux/in.h>
  15 #include <linux/ctype.h>
  16 #include <linux/fs.h>
  17 #include <asm/div64.h>
  18 #include <asm/byteorder.h>
  19 #include <linux/inet.h>
  20 #include "cifsfs.h"
  21 #include "cifspdu.h"
  22 #include "cifsglob.h"
  23 #include "cifsproto.h"
  24 #include "smberr.h"
  25 #include "cifs_debug.h"
  26 #include "nterr.h"
  27
  28 struct smb_to_posix_error {
  29         __u16 smb_err;
  30         int posix_code;
  31 };
  32
  33 static const struct smb_to_posix_error mapping_table_ERRDOS[] = {
  34         {ERRbadfunc, -EINVAL},
  35         {ERRbadfile, -ENOENT},
  36         {ERRbadpath, -ENOTDIR},
  37         {ERRnofids, -EMFILE},
  38         {ERRnoaccess, -EACCES},
  39         {ERRbadfid, -EBADF},
  40         {ERRbadmcb, -EIO},
  41         {ERRnomem, -EREMOTEIO},
  42         {ERRbadmem, -EFAULT},
  43         {ERRbadenv, -EFAULT},
  44         {ERRbadformat, -EINVAL},
  45         {ERRbadaccess, -EACCES},
  46         {ERRbaddata, -EIO},
  47         {ERRbaddrive, -ENXIO},
  48         {ERRremcd, -EACCES},
  49         {ERRdiffdevice, -EXDEV},
  50         {ERRnofiles, -ENOENT},
  51         {ERRwriteprot, -EROFS},
  52         {ERRbadshare, -EBUSY},
  53         {ERRlock, -EACCES},
  54         {ERRunsup, -EINVAL},
  55         {ERRnosuchshare, -ENXIO},
  56         {ERRfilexists, -EEXIST},
  57         {ERRinvparm, -EINVAL},
  58         {ERRdiskfull, -ENOSPC},
  59         {ERRinvname, -ENOENT},
  60         {ERRinvlevel, -EOPNOTSUPP},
  61         {ERRdirnotempty, -ENOTEMPTY},
  62         {ERRnotlocked, -ENOLCK},
  63         {ERRcancelviolation, -ENOLCK},
  64         {ERRalreadyexists, -EEXIST},
  65         {ERRmoredata, -EOVERFLOW},
  66         {ERReasnotsupported, -EOPNOTSUPP},
  67         {ErrQuota, -EDQUOT},
  68         {ErrNotALink, -ENOLINK},
  69         {ERRnetlogonNotStarted, -ENOPROTOOPT},
  70         {ERRsymlink, -EOPNOTSUPP},
  71         {ErrTooManyLinks, -EMLINK},
  72         {0, 0}
  73 };
  74
  75 static const struct smb_to_posix_error mapping_table_ERRSRV[] = {
  76         {ERRerror, -EIO},
  77         {ERRbadpw, -EACCES},  /* was EPERM */
  78         {ERRbadtype, -EREMOTE},
  79         {ERRaccess, -EACCES},
  80         {ERRinvtid, -ENXIO},
  81         {ERRinvnetname, -ENXIO},
  82         {ERRinvdevice, -ENXIO},
  83         {ERRqfull, -ENOSPC},
  84         {ERRqtoobig, -ENOSPC},
  85         {ERRqeof, -EIO},
  86         {ERRinvpfid, -EBADF},
  87         {ERRsmbcmd, -EBADRQC},
  88         {ERRsrverror, -EIO},
  89         {ERRbadBID, -EIO},
  90         {ERRfilespecs, -EINVAL},
  91         {ERRbadLink, -EIO},
  92         {ERRbadpermits, -EINVAL},
  93         {ERRbadPID, -ESRCH},
  94         {ERRsetattrmode, -EINVAL},
  95         {ERRpaused, -EHOSTDOWN},
  96         {ERRmsgoff, -EHOSTDOWN},
  97         {ERRnoroom, -ENOSPC},
  98         {ERRrmuns, -EUSERS},
  99         {ERRtimeout, -ETIME},
 100         {ERRnoresource, -EREMOTEIO},
 101         {ERRtoomanyuids, -EUSERS},
 102         {ERRbaduid, -EACCES},
 103         {ERRusempx, -EIO},
 104         {ERRusestd, -EIO},
 105         {ERR_NOTIFY_ENUM_DIR, -ENOBUFS},
 106         {ERRnoSuchUser, -EACCES},
 107 /*      {ERRaccountexpired, -EACCES},
 108         {ERRbadclient, -EACCES},
 109         {ERRbadLogonTime, -EACCES},
 110         {ERRpasswordExpired, -EACCES},*/
 111         {ERRaccountexpired, -EKEYEXPIRED},
 112         {ERRbadclient, -EACCES},
 113         {ERRbadLogonTime, -EACCES},
 114         {ERRpasswordExpired, -EKEYEXPIRED},
 115
 116         {ERRnosupport, -EINVAL},
 117         {0, 0}
 118 };
 119
 120 /*
 121  * Convert a string containing text IPv4 or IPv6 address to binary form.
 122  *
 123  * Returns 0 on failure.
 124  */
 125 static int
 126 cifs_inet_pton(const int address_family, const char *cp, int len, void *dst)
 127 {
 128         int ret = 0;
 129
 130         /* calculate length by finding first slash or NULL */
 131         if (address_family == AF_INET)
 132                 ret = in4_pton(cp, len, dst, '\\', NULL);
 133         else if (address_family == AF_INET6)
 134                 ret = in6_pton(cp, len, dst , '\\', NULL);
 135
 136         cifs_dbg(NOISY, "address conversion returned %d for %*.*s\n",
 137                  ret, len, len, cp);
 138         if (ret > 0)
 139                 ret = 1;
 140         return ret;
 141 }
 142
 143 /*
 144  * Try to convert a string to an IPv4 address and then attempt to convert
 145  * it to an IPv6 address if that fails. Set the family field if either
 146  * succeeds. If it's an IPv6 address and it has a '%' sign in it, try to
 147  * treat the part following it as a numeric sin6_scope_id.
 148  *
 149  * Returns 0 on failure.
 150  */
 151 int
 152 cifs_convert_address(struct sockaddr *dst, const char *src, int len)
 153 {
 154         int rc, alen, slen;
 155         const char *pct;
 156         char scope_id[13];
 157         struct sockaddr_in *s4 = (struct sockaddr_in *) dst;
 158         struct sockaddr_in6 *s6 = (struct sockaddr_in6 *) dst;
 159
 160         /* IPv4 address */
 161         if (cifs_inet_pton(AF_INET, src, len, &s4->sin_addr.s_addr)) {
 162                 s4->sin_family = AF_INET;
 163                 return 1;
 164         }
 165
 166         /* attempt to exclude the scope ID from the address part */
 167         pct = memchr(src, '%', len);
 168         alen = pct ? pct - src : len;
 169
 170         rc = cifs_inet_pton(AF_INET6, src, alen, &s6->sin6_addr.s6_addr);
 171         if (!rc)
 172                 return rc;
 173
 174         s6->sin6_family = AF_INET6;
 175         if (pct) {
 176                 /* grab the scope ID */
 177                 slen = len - (alen + 1);
 178                 if (slen <= 0 || slen > 12)
 179                         return 0;
 180                 memcpy(scope_id, pct + 1, slen);
 181                 scope_id[slen] = '\0';
 182
 183                 rc = kstrtouint(scope_id, 0, &s6->sin6_scope_id);
 184                 rc = (rc == 0) ? 1 : 0;
 185         }
 186
 187         return rc;
 188 }
 189
 190 void
 191 cifs_set_port(struct sockaddr *addr, const unsigned short int port)
 192 {
 193         switch (addr->sa_family) {
 194         case AF_INET:
 195                 ((struct sockaddr_in *)addr)->sin_port = htons(port);
 196                 break;
 197         case AF_INET6:
 198                 ((struct sockaddr_in6 *)addr)->sin6_port = htons(port);
 199                 break;
 200         }
 201 }
 202
 203 /*****************************************************************************
 204 convert a NT status code to a dos class/code
 205  *****************************************************************************/
 206 /* NT status -> dos error map */
 207 static const struct {
 208         __u8 dos_class;
 209         __u16 dos_code;
 210         __u32 ntstatus;
 211 } ntstatus_to_dos_map[] = {
 212         {
 213         ERRDOS, ERRgeneral, NT_STATUS_UNSUCCESSFUL}, {
 214         ERRDOS, ERRbadfunc, NT_STATUS_NOT_IMPLEMENTED}, {
 215         ERRDOS, ERRinvlevel, NT_STATUS_INVALID_INFO_CLASS}, {
 216         ERRDOS, 24, NT_STATUS_INFO_LENGTH_MISMATCH}, {
 217         ERRHRD, ERRgeneral, NT_STATUS_ACCESS_VIOLATION}, {
 218         ERRHRD, ERRgeneral, NT_STATUS_IN_PAGE_ERROR}, {
 219         ERRHRD, ERRgeneral, NT_STATUS_PAGEFILE_QUOTA}, {
 220         ERRDOS, ERRbadfid, NT_STATUS_INVALID_HANDLE}, {
 221         ERRHRD, ERRgeneral, NT_STATUS_BAD_INITIAL_STACK}, {
 222         ERRDOS, 193, NT_STATUS_BAD_INITIAL_PC}, {
 223         ERRDOS, 87, NT_STATUS_INVALID_CID}, {
 224         ERRHRD, ERRgeneral, NT_STATUS_TIMER_NOT_CANCELED}, {
 225         ERRDOS, 87, NT_STATUS_INVALID_PARAMETER}, {
 226         ERRDOS, ERRbadfile, NT_STATUS_NO_SUCH_DEVICE}, {
 227         ERRDOS, ERRbadfile, NT_STATUS_NO_SUCH_FILE}, {
 228         ERRDOS, ERRbadfunc, NT_STATUS_INVALID_DEVICE_REQUEST}, {
 229         ERRDOS, 38, NT_STATUS_END_OF_FILE}, {
 230         ERRDOS, 34, NT_STATUS_WRONG_VOLUME}, {
 231         ERRDOS, 21, NT_STATUS_NO_MEDIA_IN_DEVICE}, {
 232         ERRHRD, ERRgeneral, NT_STATUS_UNRECOGNIZED_MEDIA}, {
 233         ERRDOS, 27, NT_STATUS_NONEXISTENT_SECTOR},
 234 /*      { This NT error code was 'sqashed'
 235          from NT_STATUS_MORE_PROCESSING_REQUIRED to NT_STATUS_OK
 236          during the session setup } */
 237         {
 238         ERRDOS, ERRnomem, NT_STATUS_NO_MEMORY}, {
 239         ERRDOS, 487, NT_STATUS_CONFLICTING_ADDRESSES}, {
 240         ERRDOS, 487, NT_STATUS_NOT_MAPPED_VIEW}, {
 241         ERRDOS, 87, NT_STATUS_UNABLE_TO_FREE_VM}, {
 242         ERRDOS, 87, NT_STATUS_UNABLE_TO_DELETE_SECTION}, {
 243         ERRDOS, 2142, NT_STATUS_INVALID_SYSTEM_SERVICE}, {
 244         ERRHRD, ERRgeneral, NT_STATUS_ILLEGAL_INSTRUCTION}, {
 245         ERRDOS, ERRnoaccess, NT_STATUS_INVALID_LOCK_SEQUENCE}, {
 246         ERRDOS, ERRnoaccess, NT_STATUS_INVALID_VIEW_SIZE}, {
 247         ERRDOS, 193, NT_STATUS_INVALID_FILE_FOR_SECTION}, {
 248         ERRDOS, ERRnoaccess, NT_STATUS_ALREADY_COMMITTED},
 249 /*      { This NT error code was 'sqashed'
 250          from NT_STATUS_ACCESS_DENIED to NT_STATUS_TRUSTED_RELATIONSHIP_FAILURE
 251          during the session setup }   */
 252         {
 253         ERRDOS, ERRnoaccess, NT_STATUS_ACCESS_DENIED}, {
 254         ERRDOS, 111, NT_STATUS_BUFFER_TOO_SMALL}, {
 255         ERRDOS, ERRbadfid, NT_STATUS_OBJECT_TYPE_MISMATCH}, {
 256         ERRHRD, ERRgeneral, NT_STATUS_NONCONTINUABLE_EXCEPTION}, {
 257         ERRHRD, ERRgeneral, NT_STATUS_INVALID_DISPOSITION}, {
 258         ERRHRD, ERRgeneral, NT_STATUS_UNWIND}, {
 259         ERRHRD, ERRgeneral, NT_STATUS_BAD_STACK}, {
 260         ERRHRD, ERRgeneral, NT_STATUS_INVALID_UNWIND_TARGET}, {
 261         ERRDOS, 158, NT_STATUS_NOT_LOCKED}, {
 262         ERRHRD, ERRgeneral, NT_STATUS_PARITY_ERROR}, {
 263         ERRDOS, 487, NT_STATUS_UNABLE_TO_DECOMMIT_VM}, {
 264         ERRDOS, 487, NT_STATUS_NOT_COMMITTED}, {
 265         ERRHRD, ERRgeneral, NT_STATUS_INVALID_PORT_ATTRIBUTES}, {
 266         ERRHRD, ERRgeneral, NT_STATUS_PORT_MESSAGE_TOO_LONG}, {
 267         ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_MIX}, {
 268         ERRHRD, ERRgeneral, NT_STATUS_INVALID_QUOTA_LOWER}, {
 269         ERRHRD, ERRgeneral, NT_STATUS_DISK_CORRUPT_ERROR}, {
 270          /* mapping changed since shell does lookup on * expects FileNotFound */
 271         ERRDOS, ERRbadfile, NT_STATUS_OBJECT_NAME_INVALID}, {
 272         ERRDOS, ERRbadfile, NT_STATUS_OBJECT_NAME_NOT_FOUND}, {
 273         ERRDOS, ERRalreadyexists, NT_STATUS_OBJECT_NAME_COLLISION}, {
 274         ERRHRD, ERRgeneral, NT_STATUS_HANDLE_NOT_WAITABLE}, {
 275         ERRDOS, ERRbadfid, NT_STATUS_PORT_DISCONNECTED}, {
 276         ERRHRD, ERRgeneral, NT_STATUS_DEVICE_ALREADY_ATTACHED}, {
 277         ERRDOS, 161, NT_STATUS_OBJECT_PATH_INVALID}, {
 278         ERRDOS, ERRbadpath, NT_STATUS_OBJECT_PATH_NOT_FOUND}, {
 279         ERRDOS, 161, NT_STATUS_OBJECT_PATH_SYNTAX_BAD}, {
 280         ERRHRD, ERRgeneral, NT_STATUS_DATA_OVERRUN}, {
 281         ERRHRD, ERRgeneral, NT_STATUS_DATA_LATE_ERROR}, {
 282         ERRDOS, 23, NT_STATUS_DATA_ERROR}, {
 283         ERRDOS, 23, NT_STATUS_CRC_ERROR}, {
 284         ERRDOS, ERRnomem, NT_STATUS_SECTION_TOO_BIG}, {
 285         ERRDOS, ERRnoaccess, NT_STATUS_PORT_CONNECTION_REFUSED}, {
 286         ERRDOS, ERRbadfid, NT_STATUS_INVALID_PORT_HANDLE}, {
 287         ERRDOS, ERRbadshare, NT_STATUS_SHARING_VIOLATION}, {
 288         ERRHRD, ERRgeneral, NT_STATUS_QUOTA_EXCEEDED}, {
 289         ERRDOS, 87, NT_STATUS_INVALID_PAGE_PROTECTION}, {
 290         ERRDOS, 288, NT_STATUS_MUTANT_NOT_OWNED}, {
 291         ERRDOS, 298, NT_STATUS_SEMAPHORE_LIMIT_EXCEEDED}, {
 292         ERRDOS, 87, NT_STATUS_PORT_ALREADY_SET}, {
 293         ERRDOS, 87, NT_STATUS_SECTION_NOT_IMAGE}, {
 294         ERRDOS, 156, NT_STATUS_SUSPEND_COUNT_EXCEEDED}, {
 295         ERRDOS, ERRnoaccess, NT_STATUS_THREAD_IS_TERMINATING}, {
 296         ERRDOS, 87, NT_STATUS_BAD_WORKING_SET_LIMIT}, {
 297         ERRDOS, 87, NT_STATUS_INCOMPATIBLE_FILE_MAP}, {
 298         ERRDOS, 87, NT_STATUS_SECTION_PROTECTION}, {
 299         ERRDOS, ERReasnotsupported, NT_STATUS_EAS_NOT_SUPPORTED}, {
 300         ERRDOS, 255, NT_STATUS_EA_TOO_LARGE}, {
 301         ERRHRD, ERRgeneral, NT_STATUS_NONEXISTENT_EA_ENTRY}, {
 302         ERRHRD, ERRgeneral, NT_STATUS_NO_EAS_ON_FILE}, {
 303         ERRHRD, ERRgeneral, NT_STATUS_EA_CORRUPT_ERROR}, {
 304         ERRDOS, ERRlock, NT_STATUS_FILE_LOCK_CONFLICT}, {
 305         ERRDOS, ERRlock, NT_STATUS_LOCK_NOT_GRANTED}, {
 306         ERRDOS, ERRbadfile, NT_STATUS_DELETE_PENDING}, {
 307         ERRDOS, ERRunsup, NT_STATUS_CTL_FILE_NOT_SUPPORTED}, {
 308         ERRHRD, ERRgeneral, NT_STATUS_UNKNOWN_REVISION}, {
 309         ERRHRD, ERRgeneral, NT_STATUS_REVISION_MISMATCH}, {
 310         ERRHRD, ERRgeneral, NT_STATUS_INVALID_OWNER}, {
 311         ERRHRD, ERRgeneral, NT_STATUS_INVALID_PRIMARY_GROUP}, {
 312         ERRHRD, ERRgeneral, NT_STATUS_NO_IMPERSONATION_TOKEN}, {
 313         ERRHRD, ERRgeneral, NT_STATUS_CANT_DISABLE_MANDATORY}, {
 314         ERRDOS, 2215, NT_STATUS_NO_LOGON_SERVERS}, {
 315         ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_LOGON_SESSION}, {
 316         ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_PRIVILEGE}, {
 317         ERRDOS, ERRnoaccess, NT_STATUS_PRIVILEGE_NOT_HELD}, {
 318         ERRHRD, ERRgeneral, NT_STATUS_INVALID_ACCOUNT_NAME}, {
 319         ERRHRD, ERRgeneral, NT_STATUS_USER_EXISTS},
 320 /*      { This NT error code was 'sqashed'
 321          from NT_STATUS_NO_SUCH_USER to NT_STATUS_LOGON_FAILURE
 322          during the session setup } */
 323         {
 324         ERRDOS, ERRnoaccess, NT_STATUS_NO_SUCH_USER}, { /* could map to 2238 */
 325         ERRHRD, ERRgeneral, NT_STATUS_GROUP_EXISTS}, {
 326         ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_GROUP}, {
 327         ERRHRD, ERRgeneral, NT_STATUS_MEMBER_IN_GROUP}, {
 328         ERRHRD, ERRgeneral, NT_STATUS_MEMBER_NOT_IN_GROUP}, {
 329         ERRHRD, ERRgeneral, NT_STATUS_LAST_ADMIN},
 330 /*      { This NT error code was 'sqashed'
 331          from NT_STATUS_WRONG_PASSWORD to NT_STATUS_LOGON_FAILURE
 332          during the session setup } */
 333         {
 334         ERRSRV, ERRbadpw, NT_STATUS_WRONG_PASSWORD}, {
 335         ERRHRD, ERRgeneral, NT_STATUS_ILL_FORMED_PASSWORD}, {
 336         ERRHRD, ERRgeneral, NT_STATUS_PASSWORD_RESTRICTION}, {
 337         ERRDOS, ERRnoaccess, NT_STATUS_LOGON_FAILURE}, {
 338         ERRHRD, ERRgeneral, NT_STATUS_ACCOUNT_RESTRICTION}, {
 339         ERRSRV, ERRbadLogonTime, NT_STATUS_INVALID_LOGON_HOURS}, {
 340         ERRSRV, ERRbadclient, NT_STATUS_INVALID_WORKSTATION}, {
 341         ERRSRV, ERRpasswordExpired, NT_STATUS_PASSWORD_EXPIRED}, {
 342         ERRSRV, ERRaccountexpired, NT_STATUS_ACCOUNT_DISABLED}, {
 343         ERRHRD, ERRgeneral, NT_STATUS_NONE_MAPPED}, {
 344         ERRHRD, ERRgeneral, NT_STATUS_TOO_MANY_LUIDS_REQUESTED}, {
 345         ERRHRD, ERRgeneral, NT_STATUS_LUIDS_EXHAUSTED}, {
 346         ERRHRD, ERRgeneral, NT_STATUS_INVALID_SUB_AUTHORITY}, {
 347         ERRHRD, ERRgeneral, NT_STATUS_INVALID_ACL}, {
 348         ERRHRD, ERRgeneral, NT_STATUS_INVALID_SID}, {
 349         ERRHRD, ERRgeneral, NT_STATUS_INVALID_SECURITY_DESCR}, {
 350         ERRDOS, 127, NT_STATUS_PROCEDURE_NOT_FOUND}, {
 351         ERRDOS, 193, NT_STATUS_INVALID_IMAGE_FORMAT}, {
 352         ERRHRD, ERRgeneral, NT_STATUS_NO_TOKEN}, {
 353         ERRHRD, ERRgeneral, NT_STATUS_BAD_INHERITANCE_ACL}, {
 354         ERRDOS, 158, NT_STATUS_RANGE_NOT_LOCKED}, {
 355         ERRDOS, 112, NT_STATUS_DISK_FULL}, {
 356         ERRHRD, ERRgeneral, NT_STATUS_SERVER_DISABLED}, {
 357         ERRHRD, ERRgeneral, NT_STATUS_SERVER_NOT_DISABLED}, {
 358         ERRDOS, 68, NT_STATUS_TOO_MANY_GUIDS_REQUESTED}, {
 359         ERRDOS, 259, NT_STATUS_GUIDS_EXHAUSTED}, {
 360         ERRHRD, ERRgeneral, NT_STATUS_INVALID_ID_AUTHORITY}, {
 361         ERRDOS, 259, NT_STATUS_AGENTS_EXHAUSTED}, {
 362         ERRDOS, 154, NT_STATUS_INVALID_VOLUME_LABEL}, {
 363         ERRDOS, 14, NT_STATUS_SECTION_NOT_EXTENDED}, {
 364         ERRDOS, 487, NT_STATUS_NOT_MAPPED_DATA}, {
 365         ERRHRD, ERRgeneral, NT_STATUS_RESOURCE_DATA_NOT_FOUND}, {
 366         ERRHRD, ERRgeneral, NT_STATUS_RESOURCE_TYPE_NOT_FOUND}, {
 367         ERRHRD, ERRgeneral, NT_STATUS_RESOURCE_NAME_NOT_FOUND}, {
 368         ERRHRD, ERRgeneral, NT_STATUS_ARRAY_BOUNDS_EXCEEDED}, {
 369         ERRHRD, ERRgeneral, NT_STATUS_FLOAT_DENORMAL_OPERAND}, {
 370         ERRHRD, ERRgeneral, NT_STATUS_FLOAT_DIVIDE_BY_ZERO}, {
 371         ERRHRD, ERRgeneral, NT_STATUS_FLOAT_INEXACT_RESULT}, {
 372         ERRHRD, ERRgeneral, NT_STATUS_FLOAT_INVALID_OPERATION}, {
 373         ERRHRD, ERRgeneral, NT_STATUS_FLOAT_OVERFLOW}, {
 374         ERRHRD, ERRgeneral, NT_STATUS_FLOAT_STACK_CHECK}, {
 375         ERRHRD, ERRgeneral, NT_STATUS_FLOAT_UNDERFLOW}, {
 376         ERRHRD, ERRgeneral, NT_STATUS_INTEGER_DIVIDE_BY_ZERO}, {
 377         ERRDOS, 534, NT_STATUS_INTEGER_OVERFLOW}, {
 378         ERRHRD, ERRgeneral, NT_STATUS_PRIVILEGED_INSTRUCTION}, {
 379         ERRDOS, ERRnomem, NT_STATUS_TOO_MANY_PAGING_FILES}, {
 380         ERRHRD, ERRgeneral, NT_STATUS_FILE_INVALID}, {
 381         ERRHRD, ERRgeneral, NT_STATUS_ALLOTTED_SPACE_EXCEEDED},
 382 /*      { This NT error code was 'sqashed'
 383          from NT_STATUS_INSUFFICIENT_RESOURCES to
 384          NT_STATUS_INSUFF_SERVER_RESOURCES during the session setup } */
 385         {
 386         ERRDOS, ERRnoresource, NT_STATUS_INSUFFICIENT_RESOURCES}, {
 387         ERRDOS, ERRbadpath, NT_STATUS_DFS_EXIT_PATH_FOUND}, {
 388         ERRDOS, 23, NT_STATUS_DEVICE_DATA_ERROR}, {
 389         ERRHRD, ERRgeneral, NT_STATUS_DEVICE_NOT_CONNECTED}, {
 390         ERRDOS, 21, NT_STATUS_DEVICE_POWER_FAILURE}, {
 391         ERRDOS, 487, NT_STATUS_FREE_VM_NOT_AT_BASE}, {
 392         ERRDOS, 487, NT_STATUS_MEMORY_NOT_ALLOCATED}, {
 393         ERRHRD, ERRgeneral, NT_STATUS_WORKING_SET_QUOTA}, {
 394         ERRDOS, 19, NT_STATUS_MEDIA_WRITE_PROTECTED}, {
 395         ERRDOS, 21, NT_STATUS_DEVICE_NOT_READY}, {
 396         ERRHRD, ERRgeneral, NT_STATUS_INVALID_GROUP_ATTRIBUTES}, {
 397         ERRHRD, ERRgeneral, NT_STATUS_BAD_IMPERSONATION_LEVEL}, {
 398         ERRHRD, ERRgeneral, NT_STATUS_CANT_OPEN_ANONYMOUS}, {
 399         ERRHRD, ERRgeneral, NT_STATUS_BAD_VALIDATION_CLASS}, {
 400         ERRHRD, ERRgeneral, NT_STATUS_BAD_TOKEN_TYPE}, {
 401         ERRDOS, 87, NT_STATUS_BAD_MASTER_BOOT_RECORD}, {
 402         ERRHRD, ERRgeneral, NT_STATUS_INSTRUCTION_MISALIGNMENT}, {
 403         ERRDOS, ERRpipebusy, NT_STATUS_INSTANCE_NOT_AVAILABLE}, {
 404         ERRDOS, ERRpipebusy, NT_STATUS_PIPE_NOT_AVAILABLE}, {
 405         ERRDOS, ERRbadpipe, NT_STATUS_INVALID_PIPE_STATE}, {
 406         ERRDOS, ERRpipebusy, NT_STATUS_PIPE_BUSY}, {
 407         ERRDOS, ERRbadfunc, NT_STATUS_ILLEGAL_FUNCTION}, {
 408         ERRDOS, ERRnotconnected, NT_STATUS_PIPE_DISCONNECTED}, {
 409         ERRDOS, ERRpipeclosing, NT_STATUS_PIPE_CLOSING}, {
 410         ERRHRD, ERRgeneral, NT_STATUS_PIPE_CONNECTED}, {
 411         ERRHRD, ERRgeneral, NT_STATUS_PIPE_LISTENING}, {
 412         ERRDOS, ERRbadpipe, NT_STATUS_INVALID_READ_MODE}, {
 413         ERRDOS, 121, NT_STATUS_IO_TIMEOUT}, {
 414         ERRDOS, 38, NT_STATUS_FILE_FORCED_CLOSED}, {
 415         ERRHRD, ERRgeneral, NT_STATUS_PROFILING_NOT_STARTED}, {
 416         ERRHRD, ERRgeneral, NT_STATUS_PROFILING_NOT_STOPPED}, {
 417         ERRHRD, ERRgeneral, NT_STATUS_COULD_NOT_INTERPRET}, {
 418         ERRDOS, ERRnoaccess, NT_STATUS_FILE_IS_A_DIRECTORY}, {
 419         ERRDOS, ERRunsup, NT_STATUS_NOT_SUPPORTED}, {
 420         ERRDOS, 51, NT_STATUS_REMOTE_NOT_LISTENING}, {
 421         ERRDOS, 52, NT_STATUS_DUPLICATE_NAME}, {
 422         ERRDOS, 53, NT_STATUS_BAD_NETWORK_PATH}, {
 423         ERRDOS, 54, NT_STATUS_NETWORK_BUSY}, {
 424         ERRDOS, 55, NT_STATUS_DEVICE_DOES_NOT_EXIST}, {
 425         ERRDOS, 56, NT_STATUS_TOO_MANY_COMMANDS}, {
 426         ERRDOS, 57, NT_STATUS_ADAPTER_HARDWARE_ERROR}, {
 427         ERRDOS, 58, NT_STATUS_INVALID_NETWORK_RESPONSE}, {
 428         ERRDOS, 59, NT_STATUS_UNEXPECTED_NETWORK_ERROR}, {
 429         ERRDOS, 60, NT_STATUS_BAD_REMOTE_ADAPTER}, {
 430         ERRDOS, 61, NT_STATUS_PRINT_QUEUE_FULL}, {
 431         ERRDOS, 62, NT_STATUS_NO_SPOOL_SPACE}, {
 432         ERRDOS, 63, NT_STATUS_PRINT_CANCELLED}, {
 433         ERRDOS, 64, NT_STATUS_NETWORK_NAME_DELETED}, {
 434         ERRDOS, 65, NT_STATUS_NETWORK_ACCESS_DENIED}, {
 435         ERRDOS, 66, NT_STATUS_BAD_DEVICE_TYPE}, {
 436         ERRDOS, ERRnosuchshare, NT_STATUS_BAD_NETWORK_NAME}, {
 437         ERRDOS, 68, NT_STATUS_TOO_MANY_NAMES}, {
 438         ERRDOS, 69, NT_STATUS_TOO_MANY_SESSIONS}, {
 439         ERRDOS, 70, NT_STATUS_SHARING_PAUSED}, {
 440         ERRDOS, 71, NT_STATUS_REQUEST_NOT_ACCEPTED}, {
 441         ERRDOS, 72, NT_STATUS_REDIRECTOR_PAUSED}, {
 442         ERRDOS, 88, NT_STATUS_NET_WRITE_FAULT}, {
 443         ERRHRD, ERRgeneral, NT_STATUS_PROFILING_AT_LIMIT}, {
 444         ERRDOS, ERRdiffdevice, NT_STATUS_NOT_SAME_DEVICE}, {
 445         ERRDOS, ERRnoaccess, NT_STATUS_FILE_RENAMED}, {
 446         ERRDOS, 240, NT_STATUS_VIRTUAL_CIRCUIT_CLOSED}, {
 447         ERRHRD, ERRgeneral, NT_STATUS_NO_SECURITY_ON_OBJECT}, {
 448         ERRHRD, ERRgeneral, NT_STATUS_CANT_WAIT}, {
 449         ERRDOS, ERRpipeclosing, NT_STATUS_PIPE_EMPTY}, {
 450         ERRHRD, ERRgeneral, NT_STATUS_CANT_ACCESS_DOMAIN_INFO}, {
 451         ERRHRD, ERRgeneral, NT_STATUS_CANT_TERMINATE_SELF}, {
 452         ERRHRD, ERRgeneral, NT_STATUS_INVALID_SERVER_STATE}, {
 453         ERRHRD, ERRgeneral, NT_STATUS_INVALID_DOMAIN_STATE}, {
 454         ERRHRD, ERRgeneral, NT_STATUS_INVALID_DOMAIN_ROLE}, {
 455         ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_DOMAIN}, {
 456         ERRHRD, ERRgeneral, NT_STATUS_DOMAIN_EXISTS}, {
 457         ERRHRD, ERRgeneral, NT_STATUS_DOMAIN_LIMIT_EXCEEDED}, {
 458         ERRDOS, 300, NT_STATUS_OPLOCK_NOT_GRANTED}, {
 459         ERRDOS, 301, NT_STATUS_INVALID_OPLOCK_PROTOCOL}, {
 460         ERRHRD, ERRgeneral, NT_STATUS_INTERNAL_DB_CORRUPTION}, {
 461         ERRHRD, ERRgeneral, NT_STATUS_INTERNAL_ERROR}, {
 462         ERRHRD, ERRgeneral, NT_STATUS_GENERIC_NOT_MAPPED}, {
 463         ERRHRD, ERRgeneral, NT_STATUS_BAD_DESCRIPTOR_FORMAT}, {
 464         ERRHRD, ERRgeneral, NT_STATUS_INVALID_USER_BUFFER}, {
 465         ERRHRD, ERRgeneral, NT_STATUS_UNEXPECTED_IO_ERROR}, {
 466         ERRHRD, ERRgeneral, NT_STATUS_UNEXPECTED_MM_CREATE_ERR}, {
 467         ERRHRD, ERRgeneral, NT_STATUS_UNEXPECTED_MM_MAP_ERROR}, {
 468         ERRHRD, ERRgeneral, NT_STATUS_UNEXPECTED_MM_EXTEND_ERR}, {
 469         ERRHRD, ERRgeneral, NT_STATUS_NOT_LOGON_PROCESS}, {
 470         ERRHRD, ERRgeneral, NT_STATUS_LOGON_SESSION_EXISTS}, {
 471         ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_1}, {
 472         ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_2}, {
 473         ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_3}, {
 474         ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_4}, {
 475         ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_5}, {
 476         ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_6}, {
 477         ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_7}, {
 478         ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_8}, {
 479         ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_9}, {
 480         ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_10}, {
 481         ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_11}, {
 482         ERRDOS, 87, NT_STATUS_INVALID_PARAMETER_12}, {
 483         ERRDOS, ERRbadpath, NT_STATUS_REDIRECTOR_NOT_STARTED}, {
 484         ERRHRD, ERRgeneral, NT_STATUS_REDIRECTOR_STARTED}, {
 485         ERRHRD, ERRgeneral, NT_STATUS_STACK_OVERFLOW}, {
 486         ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_PACKAGE}, {
 487         ERRHRD, ERRgeneral, NT_STATUS_BAD_FUNCTION_TABLE}, {
 488         ERRDOS, 203, 0xc0000100}, {
 489         ERRDOS, 145, NT_STATUS_DIRECTORY_NOT_EMPTY}, {
 490         ERRHRD, ERRgeneral, NT_STATUS_FILE_CORRUPT_ERROR}, {
 491         ERRDOS, 267, NT_STATUS_NOT_A_DIRECTORY}, {
 492         ERRHRD, ERRgeneral, NT_STATUS_BAD_LOGON_SESSION_STATE}, {
 493         ERRHRD, ERRgeneral, NT_STATUS_LOGON_SESSION_COLLISION}, {
 494         ERRDOS, 206, NT_STATUS_NAME_TOO_LONG}, {
 495         ERRDOS, 2401, NT_STATUS_FILES_OPEN}, {
 496         ERRDOS, 2404, NT_STATUS_CONNECTION_IN_USE}, {
 497         ERRHRD, ERRgeneral, NT_STATUS_MESSAGE_NOT_FOUND}, {
 498         ERRDOS, ERRnoaccess, NT_STATUS_PROCESS_IS_TERMINATING}, {
 499         ERRHRD, ERRgeneral, NT_STATUS_INVALID_LOGON_TYPE}, {
 500         ERRHRD, ERRgeneral, NT_STATUS_NO_GUID_TRANSLATION}, {
 501         ERRHRD, ERRgeneral, NT_STATUS_CANNOT_IMPERSONATE}, {
 502         ERRHRD, ERRgeneral, NT_STATUS_IMAGE_ALREADY_LOADED}, {
 503         ERRHRD, ERRgeneral, NT_STATUS_ABIOS_NOT_PRESENT}, {
 504         ERRHRD, ERRgeneral, NT_STATUS_ABIOS_LID_NOT_EXIST}, {
 505         ERRHRD, ERRgeneral, NT_STATUS_ABIOS_LID_ALREADY_OWNED}, {
 506         ERRHRD, ERRgeneral, NT_STATUS_ABIOS_NOT_LID_OWNER}, {
 507         ERRHRD, ERRgeneral, NT_STATUS_ABIOS_INVALID_COMMAND}, {
 508         ERRHRD, ERRgeneral, NT_STATUS_ABIOS_INVALID_LID}, {
 509         ERRHRD, ERRgeneral, NT_STATUS_ABIOS_SELECTOR_NOT_AVAILABLE}, {
 510         ERRHRD, ERRgeneral, NT_STATUS_ABIOS_INVALID_SELECTOR}, {
 511         ERRHRD, ERRgeneral, NT_STATUS_NO_LDT}, {
 512         ERRHRD, ERRgeneral, NT_STATUS_INVALID_LDT_SIZE}, {
 513         ERRHRD, ERRgeneral, NT_STATUS_INVALID_LDT_OFFSET}, {
 514         ERRHRD, ERRgeneral, NT_STATUS_INVALID_LDT_DESCRIPTOR}, {
 515         ERRDOS, 193, NT_STATUS_INVALID_IMAGE_NE_FORMAT}, {
 516         ERRHRD, ERRgeneral, NT_STATUS_RXACT_INVALID_STATE}, {
 517         ERRHRD, ERRgeneral, NT_STATUS_RXACT_COMMIT_FAILURE}, {
 518         ERRHRD, ERRgeneral, NT_STATUS_MAPPED_FILE_SIZE_ZERO}, {
 519         ERRDOS, ERRnofids, NT_STATUS_TOO_MANY_OPENED_FILES}, {
 520         ERRHRD, ERRgeneral, NT_STATUS_CANCELLED}, {
 521         ERRDOS, ERRnoaccess, NT_STATUS_CANNOT_DELETE}, {
 522         ERRHRD, ERRgeneral, NT_STATUS_INVALID_COMPUTER_NAME}, {
 523         ERRDOS, ERRnoaccess, NT_STATUS_FILE_DELETED}, {
 524         ERRHRD, ERRgeneral, NT_STATUS_SPECIAL_ACCOUNT}, {
 525         ERRHRD, ERRgeneral, NT_STATUS_SPECIAL_GROUP}, {
 526         ERRHRD, ERRgeneral, NT_STATUS_SPECIAL_USER}, {
 527         ERRHRD, ERRgeneral, NT_STATUS_MEMBERS_PRIMARY_GROUP}, {
 528         ERRDOS, ERRbadfid, NT_STATUS_FILE_CLOSED}, {
 529         ERRHRD, ERRgeneral, NT_STATUS_TOO_MANY_THREADS}, {
 530         ERRHRD, ERRgeneral, NT_STATUS_THREAD_NOT_IN_PROCESS}, {
 531         ERRHRD, ERRgeneral, NT_STATUS_TOKEN_ALREADY_IN_USE}, {
 532         ERRHRD, ERRgeneral, NT_STATUS_PAGEFILE_QUOTA_EXCEEDED}, {
 533         ERRHRD, ERRgeneral, NT_STATUS_COMMITMENT_LIMIT}, {
 534         ERRDOS, 193, NT_STATUS_INVALID_IMAGE_LE_FORMAT}, {
 535         ERRDOS, 193, NT_STATUS_INVALID_IMAGE_NOT_MZ}, {
 536         ERRDOS, 193, NT_STATUS_INVALID_IMAGE_PROTECT}, {
 537         ERRDOS, 193, NT_STATUS_INVALID_IMAGE_WIN_16}, {
 538         ERRHRD, ERRgeneral, NT_STATUS_LOGON_SERVER_CONFLICT}, {
 539         ERRHRD, ERRgeneral, NT_STATUS_TIME_DIFFERENCE_AT_DC}, {
 540         ERRHRD, ERRgeneral, NT_STATUS_SYNCHRONIZATION_REQUIRED}, {
 541         ERRDOS, 126, NT_STATUS_DLL_NOT_FOUND}, {
 542         ERRHRD, ERRgeneral, NT_STATUS_OPEN_FAILED}, {
 543         ERRHRD, ERRgeneral, NT_STATUS_IO_PRIVILEGE_FAILED}, {
 544         ERRDOS, 182, NT_STATUS_ORDINAL_NOT_FOUND}, {
 545         ERRDOS, 127, NT_STATUS_ENTRYPOINT_NOT_FOUND}, {
 546         ERRHRD, ERRgeneral, NT_STATUS_CONTROL_C_EXIT}, {
 547         ERRDOS, 64, NT_STATUS_LOCAL_DISCONNECT}, {
 548         ERRDOS, 64, NT_STATUS_REMOTE_DISCONNECT}, {
 549         ERRDOS, 51, NT_STATUS_REMOTE_RESOURCES}, {
 550         ERRDOS, 59, NT_STATUS_LINK_FAILED}, {
 551         ERRDOS, 59, NT_STATUS_LINK_TIMEOUT}, {
 552         ERRDOS, 59, NT_STATUS_INVALID_CONNECTION}, {
 553         ERRDOS, 59, NT_STATUS_INVALID_ADDRESS}, {
 554         ERRHRD, ERRgeneral, NT_STATUS_DLL_INIT_FAILED}, {
 555         ERRHRD, ERRgeneral, NT_STATUS_MISSING_SYSTEMFILE}, {
 556         ERRHRD, ERRgeneral, NT_STATUS_UNHANDLED_EXCEPTION}, {
 557         ERRHRD, ERRgeneral, NT_STATUS_APP_INIT_FAILURE}, {
 558         ERRHRD, ERRgeneral, NT_STATUS_PAGEFILE_CREATE_FAILED}, {
 559         ERRHRD, ERRgeneral, NT_STATUS_NO_PAGEFILE}, {
 560         ERRDOS, 124, NT_STATUS_INVALID_LEVEL}, {
 561         ERRDOS, 86, NT_STATUS_WRONG_PASSWORD_CORE}, {
 562         ERRHRD, ERRgeneral, NT_STATUS_ILLEGAL_FLOAT_CONTEXT}, {
 563         ERRDOS, 109, NT_STATUS_PIPE_BROKEN}, {
 564         ERRHRD, ERRgeneral, NT_STATUS_REGISTRY_CORRUPT}, {
 565         ERRHRD, ERRgeneral, NT_STATUS_REGISTRY_IO_FAILED}, {
 566         ERRHRD, ERRgeneral, NT_STATUS_NO_EVENT_PAIR}, {
 567         ERRHRD, ERRgeneral, NT_STATUS_UNRECOGNIZED_VOLUME}, {
 568         ERRHRD, ERRgeneral, NT_STATUS_SERIAL_NO_DEVICE_INITED}, {
 569         ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_ALIAS}, {
 570         ERRHRD, ERRgeneral, NT_STATUS_MEMBER_NOT_IN_ALIAS}, {
 571         ERRHRD, ERRgeneral, NT_STATUS_MEMBER_IN_ALIAS}, {
 572         ERRHRD, ERRgeneral, NT_STATUS_ALIAS_EXISTS}, {
 573         ERRHRD, ERRgeneral, NT_STATUS_LOGON_NOT_GRANTED}, {
 574         ERRHRD, ERRgeneral, NT_STATUS_TOO_MANY_SECRETS}, {
 575         ERRHRD, ERRgeneral, NT_STATUS_SECRET_TOO_LONG}, {
 576         ERRHRD, ERRgeneral, NT_STATUS_INTERNAL_DB_ERROR}, {
 577         ERRHRD, ERRgeneral, NT_STATUS_FULLSCREEN_MODE}, {
 578         ERRHRD, ERRgeneral, NT_STATUS_TOO_MANY_CONTEXT_IDS}, {
 579         ERRDOS, ERRnoaccess, NT_STATUS_LOGON_TYPE_NOT_GRANTED}, {
 580         ERRHRD, ERRgeneral, NT_STATUS_NOT_REGISTRY_FILE}, {
 581         ERRHRD, ERRgeneral, NT_STATUS_NT_CROSS_ENCRYPTION_REQUIRED}, {
 582         ERRHRD, ERRgeneral, NT_STATUS_DOMAIN_CTRLR_CONFIG_ERROR}, {
 583         ERRHRD, ERRgeneral, NT_STATUS_FT_MISSING_MEMBER}, {
 584         ERRHRD, ERRgeneral, NT_STATUS_ILL_FORMED_SERVICE_ENTRY}, {
 585         ERRHRD, ERRgeneral, NT_STATUS_ILLEGAL_CHARACTER}, {
 586         ERRHRD, ERRgeneral, NT_STATUS_UNMAPPABLE_CHARACTER}, {
 587         ERRHRD, ERRgeneral, NT_STATUS_UNDEFINED_CHARACTER}, {
 588         ERRHRD, ERRgeneral, NT_STATUS_FLOPPY_VOLUME}, {
 589         ERRHRD, ERRgeneral, NT_STATUS_FLOPPY_ID_MARK_NOT_FOUND}, {
 590         ERRHRD, ERRgeneral, NT_STATUS_FLOPPY_WRONG_CYLINDER}, {
 591         ERRHRD, ERRgeneral, NT_STATUS_FLOPPY_UNKNOWN_ERROR}, {
 592         ERRHRD, ERRgeneral, NT_STATUS_FLOPPY_BAD_REGISTERS}, {
 593         ERRHRD, ERRgeneral, NT_STATUS_DISK_RECALIBRATE_FAILED}, {
 594         ERRHRD, ERRgeneral, NT_STATUS_DISK_OPERATION_FAILED}, {
 595         ERRHRD, ERRgeneral, NT_STATUS_DISK_RESET_FAILED}, {
 596         ERRHRD, ERRgeneral, NT_STATUS_SHARED_IRQ_BUSY}, {
 597         ERRHRD, ERRgeneral, NT_STATUS_FT_ORPHANING}, {
 598         ERRHRD, ERRgeneral, 0xc000016e}, {
 599         ERRHRD, ERRgeneral, 0xc000016f}, {
 600         ERRHRD, ERRgeneral, 0xc0000170}, {
 601         ERRHRD, ERRgeneral, 0xc0000171}, {
 602         ERRHRD, ERRgeneral, NT_STATUS_PARTITION_FAILURE}, {
 603         ERRHRD, ERRgeneral, NT_STATUS_INVALID_BLOCK_LENGTH}, {
 604         ERRHRD, ERRgeneral, NT_STATUS_DEVICE_NOT_PARTITIONED}, {
 605         ERRHRD, ERRgeneral, NT_STATUS_UNABLE_TO_LOCK_MEDIA}, {
 606         ERRHRD, ERRgeneral, NT_STATUS_UNABLE_TO_UNLOAD_MEDIA}, {
 607         ERRHRD, ERRgeneral, NT_STATUS_EOM_OVERFLOW}, {
 608         ERRHRD, ERRgeneral, NT_STATUS_NO_MEDIA}, {
 609         ERRHRD, ERRgeneral, 0xc0000179}, {
 610         ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_MEMBER}, {
 611         ERRHRD, ERRgeneral, NT_STATUS_INVALID_MEMBER}, {
 612         ERRHRD, ERRgeneral, NT_STATUS_KEY_DELETED}, {
 613         ERRHRD, ERRgeneral, NT_STATUS_NO_LOG_SPACE}, {
 614         ERRHRD, ERRgeneral, NT_STATUS_TOO_MANY_SIDS}, {
 615         ERRHRD, ERRgeneral, NT_STATUS_LM_CROSS_ENCRYPTION_REQUIRED}, {
 616         ERRHRD, ERRgeneral, NT_STATUS_KEY_HAS_CHILDREN}, {
 617         ERRHRD, ERRgeneral, NT_STATUS_CHILD_MUST_BE_VOLATILE}, {
 618         ERRDOS, 87, NT_STATUS_DEVICE_CONFIGURATION_ERROR}, {
 619         ERRHRD, ERRgeneral, NT_STATUS_DRIVER_INTERNAL_ERROR}, {
 620         ERRDOS, 22, NT_STATUS_INVALID_DEVICE_STATE}, {
 621         ERRHRD, ERRgeneral, NT_STATUS_IO_DEVICE_ERROR}, {
 622         ERRHRD, ERRgeneral, NT_STATUS_DEVICE_PROTOCOL_ERROR}, {
 623         ERRHRD, ERRgeneral, NT_STATUS_BACKUP_CONTROLLER}, {
 624         ERRHRD, ERRgeneral, NT_STATUS_LOG_FILE_FULL}, {
 625         ERRDOS, 19, NT_STATUS_TOO_LATE}, {
 626         ERRDOS, ERRnoaccess, NT_STATUS_NO_TRUST_LSA_SECRET},
 627 /*      { This NT error code was 'sqashed'
 628          from NT_STATUS_NO_TRUST_SAM_ACCOUNT to
 629          NT_STATUS_TRUSTED_RELATIONSHIP_FAILURE during the session setup } */
 630         {
 631         ERRDOS, ERRnoaccess, NT_STATUS_NO_TRUST_SAM_ACCOUNT}, {
 632         ERRDOS, ERRnoaccess, NT_STATUS_TRUSTED_DOMAIN_FAILURE}, {
 633         ERRDOS, ERRnoaccess, NT_STATUS_TRUSTED_RELATIONSHIP_FAILURE}, {
 634         ERRHRD, ERRgeneral, NT_STATUS_EVENTLOG_FILE_CORRUPT}, {
 635         ERRHRD, ERRgeneral, NT_STATUS_EVENTLOG_CANT_START}, {
 636         ERRDOS, ERRnoaccess, NT_STATUS_TRUST_FAILURE}, {
 637         ERRHRD, ERRgeneral, NT_STATUS_MUTANT_LIMIT_EXCEEDED}, {
 638         ERRDOS, ERRnetlogonNotStarted, NT_STATUS_NETLOGON_NOT_STARTED}, {
 639         ERRSRV, ERRaccountexpired, NT_STATUS_ACCOUNT_EXPIRED}, {
 640         ERRHRD, ERRgeneral, NT_STATUS_POSSIBLE_DEADLOCK}, {
 641         ERRHRD, ERRgeneral, NT_STATUS_NETWORK_CREDENTIAL_CONFLICT}, {
 642         ERRHRD, ERRgeneral, NT_STATUS_REMOTE_SESSION_LIMIT}, {
 643         ERRHRD, ERRgeneral, NT_STATUS_EVENTLOG_FILE_CHANGED}, {
 644         ERRDOS, ERRnoaccess, NT_STATUS_NOLOGON_INTERDOMAIN_TRUST_ACCOUNT}, {
 645         ERRDOS, ERRnoaccess, NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT}, {
 646         ERRDOS, ERRnoaccess, NT_STATUS_NOLOGON_SERVER_TRUST_ACCOUNT},
 647 /*      { This NT error code was 'sqashed'
 648          from NT_STATUS_DOMAIN_TRUST_INCONSISTENT to NT_STATUS_LOGON_FAILURE
 649          during the session setup }  */
 650         {
 651         ERRDOS, ERRnoaccess, NT_STATUS_DOMAIN_TRUST_INCONSISTENT}, {
 652         ERRHRD, ERRgeneral, NT_STATUS_FS_DRIVER_REQUIRED}, {
 653         ERRHRD, ERRgeneral, NT_STATUS_NO_USER_SESSION_KEY}, {
 654         ERRDOS, 59, NT_STATUS_USER_SESSION_DELETED}, {
 655         ERRHRD, ERRgeneral, NT_STATUS_RESOURCE_LANG_NOT_FOUND}, {
 656         ERRDOS, ERRnoresource, NT_STATUS_INSUFF_SERVER_RESOURCES}, {
 657         ERRHRD, ERRgeneral, NT_STATUS_INVALID_BUFFER_SIZE}, {
 658         ERRHRD, ERRgeneral, NT_STATUS_INVALID_ADDRESS_COMPONENT}, {
 659         ERRHRD, ERRgeneral, NT_STATUS_INVALID_ADDRESS_WILDCARD}, {
 660         ERRDOS, 68, NT_STATUS_TOO_MANY_ADDRESSES}, {
 661         ERRDOS, 52, NT_STATUS_ADDRESS_ALREADY_EXISTS}, {
 662         ERRDOS, 64, NT_STATUS_ADDRESS_CLOSED}, {
 663         ERRDOS, 64, NT_STATUS_CONNECTION_DISCONNECTED}, {
 664         ERRDOS, 64, NT_STATUS_CONNECTION_RESET}, {
 665         ERRDOS, 68, NT_STATUS_TOO_MANY_NODES}, {
 666         ERRDOS, 59, NT_STATUS_TRANSACTION_ABORTED}, {
 667         ERRDOS, 59, NT_STATUS_TRANSACTION_TIMED_OUT}, {
 668         ERRDOS, 59, NT_STATUS_TRANSACTION_NO_RELEASE}, {
 669         ERRDOS, 59, NT_STATUS_TRANSACTION_NO_MATCH}, {
 670         ERRDOS, 59, NT_STATUS_TRANSACTION_RESPONDED}, {
 671         ERRDOS, 59, NT_STATUS_TRANSACTION_INVALID_ID}, {
 672         ERRDOS, 59, NT_STATUS_TRANSACTION_INVALID_TYPE}, {
 673         ERRDOS, ERRunsup, NT_STATUS_NOT_SERVER_SESSION}, {
 674         ERRDOS, ERRunsup, NT_STATUS_NOT_CLIENT_SESSION}, {
 675         ERRHRD, ERRgeneral, NT_STATUS_CANNOT_LOAD_REGISTRY_FILE}, {
 676         ERRHRD, ERRgeneral, NT_STATUS_DEBUG_ATTACH_FAILED}, {
 677         ERRHRD, ERRgeneral, NT_STATUS_SYSTEM_PROCESS_TERMINATED}, {
 678         ERRHRD, ERRgeneral, NT_STATUS_DATA_NOT_ACCEPTED}, {
 679         ERRHRD, ERRgeneral, NT_STATUS_NO_BROWSER_SERVERS_FOUND}, {
 680         ERRHRD, ERRgeneral, NT_STATUS_VDM_HARD_ERROR}, {
 681         ERRHRD, ERRgeneral, NT_STATUS_DRIVER_CANCEL_TIMEOUT}, {
 682         ERRHRD, ERRgeneral, NT_STATUS_REPLY_MESSAGE_MISMATCH}, {
 683         ERRHRD, ERRgeneral, NT_STATUS_MAPPED_ALIGNMENT}, {
 684         ERRDOS, 193, NT_STATUS_IMAGE_CHECKSUM_MISMATCH}, {
 685         ERRHRD, ERRgeneral, NT_STATUS_LOST_WRITEBEHIND_DATA}, {
 686         ERRHRD, ERRgeneral, NT_STATUS_CLIENT_SERVER_PARAMETERS_INVALID}, {
 687         ERRSRV, ERRpasswordExpired, NT_STATUS_PASSWORD_MUST_CHANGE}, {
 688         ERRHRD, ERRgeneral, NT_STATUS_NOT_FOUND}, {
 689         ERRHRD, ERRgeneral, NT_STATUS_NOT_TINY_STREAM}, {
 690         ERRHRD, ERRgeneral, NT_STATUS_RECOVERY_FAILURE}, {
 691         ERRHRD, ERRgeneral, NT_STATUS_STACK_OVERFLOW_READ}, {
 692         ERRHRD, ERRgeneral, NT_STATUS_FAIL_CHECK}, {
 693         ERRHRD, ERRgeneral, NT_STATUS_DUPLICATE_OBJECTID}, {
 694         ERRHRD, ERRgeneral, NT_STATUS_OBJECTID_EXISTS}, {
 695         ERRHRD, ERRgeneral, NT_STATUS_CONVERT_TO_LARGE}, {
 696         ERRHRD, ERRgeneral, NT_STATUS_RETRY}, {
 697         ERRHRD, ERRgeneral, NT_STATUS_FOUND_OUT_OF_SCOPE}, {
 698         ERRHRD, ERRgeneral, NT_STATUS_ALLOCATE_BUCKET}, {
 699         ERRHRD, ERRgeneral, NT_STATUS_PROPSET_NOT_FOUND}, {
 700         ERRHRD, ERRgeneral, NT_STATUS_MARSHALL_OVERFLOW}, {
 701         ERRHRD, ERRgeneral, NT_STATUS_INVALID_VARIANT}, {
 702         ERRHRD, ERRgeneral, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND}, {
 703         ERRDOS, ERRnoaccess, NT_STATUS_ACCOUNT_LOCKED_OUT}, {
 704         ERRDOS, ERRbadfid, NT_STATUS_HANDLE_NOT_CLOSABLE}, {
 705         ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_REFUSED}, {
 706         ERRHRD, ERRgeneral, NT_STATUS_GRACEFUL_DISCONNECT}, {
 707         ERRHRD, ERRgeneral, NT_STATUS_ADDRESS_ALREADY_ASSOCIATED}, {
 708         ERRHRD, ERRgeneral, NT_STATUS_ADDRESS_NOT_ASSOCIATED}, {
 709         ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_INVALID}, {
 710         ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_ACTIVE}, {
 711         ERRHRD, ERRgeneral, NT_STATUS_NETWORK_UNREACHABLE}, {
 712         ERRHRD, ERRgeneral, NT_STATUS_HOST_UNREACHABLE}, {
 713         ERRHRD, ERRgeneral, NT_STATUS_PROTOCOL_UNREACHABLE}, {
 714         ERRHRD, ERRgeneral, NT_STATUS_PORT_UNREACHABLE}, {
 715         ERRHRD, ERRgeneral, NT_STATUS_REQUEST_ABORTED}, {
 716         ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_ABORTED}, {
 717         ERRHRD, ERRgeneral, NT_STATUS_BAD_COMPRESSION_BUFFER}, {
 718         ERRHRD, ERRgeneral, NT_STATUS_USER_MAPPED_FILE}, {
 719         ERRHRD, ERRgeneral, NT_STATUS_AUDIT_FAILED}, {
 720         ERRHRD, ERRgeneral, NT_STATUS_TIMER_RESOLUTION_NOT_SET}, {
 721         ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_COUNT_LIMIT}, {
 722         ERRHRD, ERRgeneral, NT_STATUS_LOGIN_TIME_RESTRICTION}, {
 723         ERRHRD, ERRgeneral, NT_STATUS_LOGIN_WKSTA_RESTRICTION}, {
 724         ERRDOS, 193, NT_STATUS_IMAGE_MP_UP_MISMATCH}, {
 725         ERRHRD, ERRgeneral, 0xc000024a}, {
 726         ERRHRD, ERRgeneral, 0xc000024b}, {
 727         ERRHRD, ERRgeneral, 0xc000024c}, {
 728         ERRHRD, ERRgeneral, 0xc000024d}, {
 729         ERRHRD, ERRgeneral, 0xc000024e}, {
 730         ERRHRD, ERRgeneral, 0xc000024f}, {
 731         ERRHRD, ERRgeneral, NT_STATUS_INSUFFICIENT_LOGON_INFO}, {
 732         ERRHRD, ERRgeneral, NT_STATUS_BAD_DLL_ENTRYPOINT}, {
 733         ERRHRD, ERRgeneral, NT_STATUS_BAD_SERVICE_ENTRYPOINT}, {
 734         ERRHRD, ERRgeneral, NT_STATUS_LPC_REPLY_LOST}, {
 735         ERRHRD, ERRgeneral, NT_STATUS_IP_ADDRESS_CONFLICT1}, {
 736         ERRHRD, ERRgeneral, NT_STATUS_IP_ADDRESS_CONFLICT2}, {
 737         ERRHRD, ERRgeneral, NT_STATUS_REGISTRY_QUOTA_LIMIT}, {
 738         ERRSRV, 3, NT_STATUS_PATH_NOT_COVERED}, {
 739         ERRHRD, ERRgeneral, NT_STATUS_NO_CALLBACK_ACTIVE}, {
 740         ERRHRD, ERRgeneral, NT_STATUS_LICENSE_QUOTA_EXCEEDED}, {
 741         ERRHRD, ERRgeneral, NT_STATUS_PWD_TOO_SHORT}, {
 742         ERRHRD, ERRgeneral, NT_STATUS_PWD_TOO_RECENT}, {
 743         ERRHRD, ERRgeneral, NT_STATUS_PWD_HISTORY_CONFLICT}, {
 744         ERRHRD, ERRgeneral, 0xc000025d}, {
 745         ERRHRD, ERRgeneral, NT_STATUS_PLUGPLAY_NO_DEVICE}, {
 746         ERRHRD, ERRgeneral, NT_STATUS_UNSUPPORTED_COMPRESSION}, {
 747         ERRHRD, ERRgeneral, NT_STATUS_INVALID_HW_PROFILE}, {
 748         ERRHRD, ERRgeneral, NT_STATUS_INVALID_PLUGPLAY_DEVICE_PATH}, {
 749         ERRDOS, 182, NT_STATUS_DRIVER_ORDINAL_NOT_FOUND}, {
 750         ERRDOS, 127, NT_STATUS_DRIVER_ENTRYPOINT_NOT_FOUND}, {
 751         ERRDOS, 288, NT_STATUS_RESOURCE_NOT_OWNED}, {
 752         ERRDOS, ErrTooManyLinks, NT_STATUS_TOO_MANY_LINKS}, {
 753         ERRHRD, ERRgeneral, NT_STATUS_QUOTA_LIST_INCONSISTENT}, {
 754         ERRHRD, ERRgeneral, NT_STATUS_FILE_IS_OFFLINE}, {
 755         ERRDOS, 21, 0xc000026e}, {
 756         ERRDOS, 161, 0xc0000281}, {
 757         ERRDOS, ERRnoaccess, 0xc000028a}, {
 758         ERRDOS, ERRnoaccess, 0xc000028b}, {
 759         ERRHRD, ERRgeneral, 0xc000028c}, {
 760         ERRDOS, ERRnoaccess, 0xc000028d}, {
 761         ERRDOS, ERRnoaccess, 0xc000028e}, {
 762         ERRDOS, ERRnoaccess, 0xc000028f}, {
 763         ERRDOS, ERRnoaccess, 0xc0000290}, {
 764         ERRDOS, ERRbadfunc, 0xc000029c}, {
 765         ERRDOS, ERRsymlink, NT_STATUS_STOPPED_ON_SYMLINK}, {
 766         ERRDOS, ERRinvlevel, 0x007c0001}, {
 767         0, 0, 0 }
 768 };
 769
 770 /*****************************************************************************
 771  Print an error message from the status code
 772  *****************************************************************************/
 773 static void
 774 cifs_print_status(__u32 status_code)
 775 {
 776         int idx = 0;
 777
 778         while (nt_errs[idx].nt_errstr != NULL) {
 779                 if (((nt_errs[idx].nt_errcode) & 0xFFFFFF) ==
 780                     (status_code & 0xFFFFFF)) {
 781                         pr_notice("Status code returned 0x%08x %s\n",
 782                                   status_code, nt_errs[idx].nt_errstr);
 783                 }
 784                 idx++;
 785         }
 786         return;
 787 }
 788
 789
 790 static void
 791 ntstatus_to_dos(__u32 ntstatus, __u8 *eclass, __u16 *ecode)
 792 {
 793         int i;
 794         if (ntstatus == 0) {
 795                 *eclass = 0;
 796                 *ecode = 0;
 797                 return;
 798         }
 799         for (i = 0; ntstatus_to_dos_map[i].ntstatus; i++) {
 800                 if (ntstatus == ntstatus_to_dos_map[i].ntstatus) {
 801                         *eclass = ntstatus_to_dos_map[i].dos_class;
 802                         *ecode = ntstatus_to_dos_map[i].dos_code;
 803                         return;
 804                 }
 805         }
 806         *eclass = ERRHRD;
 807         *ecode = ERRgeneral;
 808 }
 809
 810 int
 811 map_smb_to_linux_error(char *buf, bool logErr)
 812 {
 813         struct smb_hdr *smb = (struct smb_hdr *)buf;
 814         unsigned int i;
 815         int rc = -EIO;  /* if transport error smb error may not be set */
 816         __u8 smberrclass;
 817         __u16 smberrcode;
 818
 819         /* BB if NT Status codes - map NT BB */
 820
 821         /* old style smb error codes */
 822         if (smb->Status.CifsError == 0)
 823                 return 0;
 824
 825         if (smb->Flags2 & SMBFLG2_ERR_STATUS) {
 826                 /* translate the newer STATUS codes to old style SMB errors
 827                  * and then to POSIX errors */
 828                 __u32 err = le32_to_cpu(smb->Status.CifsError);
 829                 if (logErr && (err != (NT_STATUS_MORE_PROCESSING_REQUIRED)))
 830                         cifs_print_status(err);
 831                 else if (cifsFYI & CIFS_RC)
 832                         cifs_print_status(err);
 833                 ntstatus_to_dos(err, &smberrclass, &smberrcode);
 834         } else {
 835                 smberrclass = smb->Status.DosError.ErrorClass;
 836                 smberrcode = le16_to_cpu(smb->Status.DosError.Error);
 837         }
 838
 839         /* old style errors */
 840
 841         /* DOS class smb error codes - map DOS */
 842         if (smberrclass == ERRDOS) {
 843                 /* 1 byte field no need to byte reverse */
 844                 for (i = 0;
 845                      i <
 846                      sizeof(mapping_table_ERRDOS) /
 847                      sizeof(struct smb_to_posix_error); i++) {
 848                         if (mapping_table_ERRDOS[i].smb_err == 0)
 849                                 break;
 850                         else if (mapping_table_ERRDOS[i].smb_err ==
 851                                                                 smberrcode) {
 852                                 rc = mapping_table_ERRDOS[i].posix_code;
 853                                 break;
 854                         }
 855                         /* else try next error mapping one to see if match */
 856                 }
 857         } else if (smberrclass == ERRSRV) {
 858                 /* server class of error codes */
 859                 for (i = 0;
 860                      i <
 861                      sizeof(mapping_table_ERRSRV) /
 862                      sizeof(struct smb_to_posix_error); i++) {
 863                         if (mapping_table_ERRSRV[i].smb_err == 0)
 864                                 break;
 865                         else if (mapping_table_ERRSRV[i].smb_err ==
 866                                                                 smberrcode) {
 867                                 rc = mapping_table_ERRSRV[i].posix_code;
 868                                 break;
 869                         }
 870                         /* else try next error mapping to see if match */
 871                 }
 872         }
 873         /* else ERRHRD class errors or junk  - return EIO */
 874
 875         cifs_dbg(FYI, "Mapping smb error code 0x%x to POSIX err %d\n",
 876                  le32_to_cpu(smb->Status.CifsError), rc);
 877
 878         /* generic corrective action e.g. reconnect SMB session on
 879          * ERRbaduid could be added */
 880
 881         return rc;
 882 }
 883
 884 int
 885 map_and_check_smb_error(struct mid_q_entry *mid, bool logErr)
 886 {
 887         int rc;
 888         struct smb_hdr *smb = (struct smb_hdr *)mid->resp_buf;
 889
 890         rc = map_smb_to_linux_error((char *)smb, logErr);
 891         if (rc == -EACCES && !(smb->Flags2 & SMBFLG2_ERR_STATUS)) {
 892                 /* possible ERRBaduid */
 893                 __u8 class = smb->Status.DosError.ErrorClass;
 894                 __u16 code = le16_to_cpu(smb->Status.DosError.Error);
 895
 896                 /* switch can be used to handle different errors */
 897                 if (class == ERRSRV && code == ERRbaduid) {
 898                         cifs_dbg(FYI, "Server returned 0x%x, reconnecting session...\n",
 899                                 code);
 900                         spin_lock(&GlobalMid_Lock);
 901                         if (mid->server->tcpStatus != CifsExiting)
 902                                 mid->server->tcpStatus = CifsNeedReconnect;
 903                         spin_unlock(&GlobalMid_Lock);
 904                 }
 905         }
 906
 907         return rc;
 908 }
 909
 910
 911 /*
 912  * calculate the size of the SMB message based on the fixed header
 913  * portion, the number of word parameters and the data portion of the message
 914  */
 915 unsigned int
 916 smbCalcSize(void *buf, struct TCP_Server_Info *server)
 917 {
 918         struct smb_hdr *ptr = (struct smb_hdr *)buf;
 919         return (sizeof(struct smb_hdr) + (2 * ptr->WordCount) +
 920                 2 /* size of the bcc field */ + get_bcc(ptr));
 921 }
 922
 923 /* The following are taken from fs/ntfs/util.c */
 924
 925 #define NTFS_TIME_OFFSET ((u64)(369*365 + 89) * 24 * 3600 * 10000000)
 926
 927 /*
 928  * Convert the NT UTC (based 1601-01-01, in hundred nanosecond units)
 929  * into Unix UTC (based 1970-01-01, in seconds).
 930  */
 931 struct timespec64
 932 cifs_NTtimeToUnix(__le64 ntutc)
 933 {
 934         struct timespec64 ts;
 935         /* BB what about the timezone? BB */
 936
 937         /* Subtract the NTFS time offset, then convert to 1s intervals. */
 938         s64 t = le64_to_cpu(ntutc) - NTFS_TIME_OFFSET;
 939         u64 abs_t;
 940
 941         /*
 942          * Unfortunately can not use normal 64 bit division on 32 bit arch, but
 943          * the alternative, do_div, does not work with negative numbers so have
 944          * to special case them
 945          */
 946         if (t < 0) {
 947                 abs_t = -t;
 948                 ts.tv_nsec = (time64_t)(do_div(abs_t, 10000000) * 100);
 949                 ts.tv_nsec = -ts.tv_nsec;
 950                 ts.tv_sec = -abs_t;
 951         } else {
 952                 abs_t = t;
 953                 ts.tv_nsec = (time64_t)do_div(abs_t, 10000000) * 100;
 954                 ts.tv_sec = abs_t;
 955         }
 956
 957         return ts;
 958 }
 959
 960 /* Convert the Unix UTC into NT UTC. */
 961 u64
 962 cifs_UnixTimeToNT(struct timespec64 t)
 963 {
 964         /* Convert to 100ns intervals and then add the NTFS time offset. */
 965         return (u64) t.tv_sec * 10000000 + t.tv_nsec/100 + NTFS_TIME_OFFSET;
 966 }
 967
 968 static const int total_days_of_prev_months[] = {
 969         0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
 970 };
 971
 972 struct timespec64 cnvrtDosUnixTm(__le16 le_date, __le16 le_time, int offset)
 973 {
 974         struct timespec64 ts;
 975         time64_t sec, days;
 976         int min, day, month, year;
 977         u16 date = le16_to_cpu(le_date);
 978         u16 time = le16_to_cpu(le_time);
 979         SMB_TIME *st = (SMB_TIME *)&time;
 980         SMB_DATE *sd = (SMB_DATE *)&date;
 981
 982         cifs_dbg(FYI, "date %d time %d\n", date, time);
 983
 984         sec = 2 * st->TwoSeconds;
 985         min = st->Minutes;
 986         if ((sec > 59) || (min > 59))
 987                 cifs_dbg(VFS, "Invalid time min %d sec %lld\n", min, sec);
 988         sec += (min * 60);
 989         sec += 60 * 60 * st->Hours;
 990         if (st->Hours > 24)
 991                 cifs_dbg(VFS, "Invalid hours %d\n", st->Hours);
 992         day = sd->Day;
 993         month = sd->Month;
 994         if (day < 1 || day > 31 || month < 1 || month > 12) {
 995                 cifs_dbg(VFS, "Invalid date, month %d day: %d\n", month, day);
 996                 day = clamp(day, 1, 31);
 997                 month = clamp(month, 1, 12);
 998         }
 999         month -= 1;
1000         days = day + total_days_of_prev_months[month];
1001         days += 3652; /* account for difference in days between 1980 and 1970 */
1002         year = sd->Year;
1003         days += year * 365;
1004         days += (year/4); /* leap year */
1005         /* generalized leap year calculation is more complex, ie no leap year
1006         for years/100 except for years/400, but since the maximum number for DOS
1007          year is 2**7, the last year is 1980+127, which means we need only
1008          consider 2 special case years, ie the years 2000 and 2100, and only
1009          adjust for the lack of leap year for the year 2100, as 2000 was a
1010          leap year (divisable by 400) */
1011         if (year >= 120)  /* the year 2100 */
1012                 days = days - 1;  /* do not count leap year for the year 2100 */
1013
1014         /* adjust for leap year where we are still before leap day */
1015         if (year != 120)
1016                 days -= ((year & 0x03) == 0) && (month < 2 ? 1 : 0);
1017         sec += 24 * 60 * 60 * days;
1018
1019         ts.tv_sec = sec + offset;
1020
1021         /* cifs_dbg(FYI, "sec after cnvrt dos to unix time %d\n",sec); */
1022
1023         ts.tv_nsec = 0;
1024         return ts;
1025 }