source3/lib/errmap_unix.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  map unix to NT errors, an excerpt of libsmb/errormap.c
   4  *  Copyright (C) Andrew Tridgell 2001
   5  *  Copyright (C) Andrew Bartlett 2001
   6  *  Copyright (C) Tim Potter 2000
   7  *  Copyright (C) Jeremy Allison 2007
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 3 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  21  */
  22
  23 #include "includes.h"
  24
  25 /* Mapping from Unix, to NT error numbers */
  26
  27 const struct unix_error_map unix_dos_nt_errmap[] = {
  28         { EPERM, ERRDOS, ERRnoaccess, NT_STATUS_ACCESS_DENIED },
  29         { EACCES, ERRDOS, ERRnoaccess, NT_STATUS_ACCESS_DENIED },
  30         { ENOENT, ERRDOS, ERRbadfile, NT_STATUS_OBJECT_NAME_NOT_FOUND },
  31         { ENOTDIR, ERRDOS, ERRbadpath,  NT_STATUS_NOT_A_DIRECTORY },
  32         { EIO, ERRHRD, ERRgeneral, NT_STATUS_IO_DEVICE_ERROR },
  33         { EBADF, ERRSRV, ERRsrverror, NT_STATUS_INVALID_HANDLE },
  34         { EINVAL, ERRSRV, ERRsrverror, NT_STATUS_INVALID_PARAMETER },
  35         { EEXIST, ERRDOS, ERRfilexists, NT_STATUS_OBJECT_NAME_COLLISION},
  36         { ENFILE, ERRDOS, ERRnofids, NT_STATUS_TOO_MANY_OPENED_FILES },
  37         { EMFILE, ERRDOS, ERRnofids, NT_STATUS_TOO_MANY_OPENED_FILES },
  38         { ENOSPC, ERRHRD, ERRdiskfull, NT_STATUS_DISK_FULL },
  39         { ENOMEM, ERRDOS, ERRnomem, NT_STATUS_NO_MEMORY },
  40         { EISDIR, ERRDOS, ERRnoaccess, NT_STATUS_FILE_IS_A_DIRECTORY},
  41         { EMLINK, ERRDOS, ERRgeneral, NT_STATUS_TOO_MANY_LINKS },
  42         { EINTR,  ERRHRD, ERRgeneral, NT_STATUS_RETRY },
  43         { ENOSYS, ERRDOS, ERRunsup, NT_STATUS_NOT_SUPPORTED },
  44 #ifdef ELOOP
  45         { ELOOP, ERRDOS, ERRbadpath, NT_STATUS_OBJECT_PATH_NOT_FOUND },
  46 #endif
  47 #ifdef EFTYPE
  48         { EFTYPE, ERRDOS, ERRbadpath, NT_STATUS_OBJECT_PATH_NOT_FOUND },
  49 #endif
  50 #ifdef EDQUOT
  51         { EDQUOT, ERRHRD, ERRdiskfull, NT_STATUS_DISK_FULL }, /* Windows apps need this, not NT_STATUS_QUOTA_EXCEEDED */
  52 #endif
  53 #ifdef ENOTEMPTY
  54         { ENOTEMPTY, ERRDOS, ERRnoaccess, NT_STATUS_DIRECTORY_NOT_EMPTY },
  55 #endif
  56 #ifdef EXDEV
  57         { EXDEV, ERRDOS, ERRdiffdevice, NT_STATUS_NOT_SAME_DEVICE },
  58 #endif
  59 #ifdef EROFS
  60         { EROFS, ERRHRD, ERRnowrite, NT_STATUS_ACCESS_DENIED },
  61 #endif
  62 #ifdef ENAMETOOLONG
  63         { ENAMETOOLONG, ERRDOS, 206, NT_STATUS_OBJECT_NAME_INVALID },
  64 #endif
  65 #ifdef EFBIG
  66         { EFBIG, ERRHRD, ERRdiskfull, NT_STATUS_DISK_FULL },
  67 #endif
  68 #ifdef ENOBUFS
  69         { ENOBUFS, ERRDOS, ERRnomem, NT_STATUS_INSUFFICIENT_RESOURCES },
  70 #endif
  71         { EAGAIN, ERRDOS, 111, NT_STATUS_NETWORK_BUSY },
  72 #ifdef EADDRINUSE
  73         { EADDRINUSE, ERRDOS, 52, NT_STATUS_ADDRESS_ALREADY_ASSOCIATED},
  74 #endif
  75 #ifdef ENETUNREACH
  76         { ENETUNREACH, ERRHRD, ERRgeneral, NT_STATUS_NETWORK_UNREACHABLE},
  77 #endif
  78 #ifdef EHOSTUNREACH
  79                 { EHOSTUNREACH, ERRHRD, ERRgeneral, NT_STATUS_HOST_UNREACHABLE},
  80 #endif
  81 #ifdef ECONNREFUSED
  82         { ECONNREFUSED, ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_REFUSED},
  83 #endif
  84 #ifdef ETIMEDOUT
  85         { ETIMEDOUT, ERRHRD, 121, NT_STATUS_IO_TIMEOUT},
  86 #endif
  87 #ifdef ECONNABORTED
  88         { ECONNABORTED, ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_ABORTED},
  89 #endif
  90 #ifdef ECONNRESET
  91         { ECONNRESET, ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_RESET},
  92 #endif
  93 #ifdef ENODEV
  94         { ENODEV, ERRDOS, 55, NT_STATUS_DEVICE_DOES_NOT_EXIST},
  95 #endif
  96 #ifdef EPIPE
  97         { EPIPE, ERRDOS, 109, NT_STATUS_PIPE_BROKEN},
  98 #endif
  99 #ifdef EWOULDBLOCK
 100         { EWOULDBLOCK, ERRDOS, 111, NT_STATUS_NETWORK_BUSY },
 101 #endif
 102 #ifdef ENOATTR
 103         { ENOATTR, ERRDOS, ERRbadfile, NT_STATUS_NOT_FOUND },
 104 #endif
 105 #ifdef ECANCELED
 106         { ECANCELED, ERRDOS, ERRbadfid, NT_STATUS_CANCELLED},
 107 #endif
 108 #ifdef ENOTSUP
 109         { ENOTSUP, ERRSRV, ERRnosupport, NT_STATUS_NOT_SUPPORTED},
 110 #endif
 111         { 0, 0, 0, NT_STATUS_OK }
 112 };
 113
 114 /*********************************************************************
 115  Map an NT error code from a Unix error code.
 116 *********************************************************************/
 117
 118 NTSTATUS map_nt_error_from_unix(int unix_error)
 119 {
 120         int i = 0;
 121
 122         if (unix_error == 0) {
 123                 /* we map this to an error, not success, as this
 124                    function is only called in an error path. Lots of
 125                    our virtualised functions may fail without making a
 126                    unix system call that fails (such as when they are
 127                    checking for some handle existing), so unix_error
 128                    may be unset
 129                 */
 130                 return NT_STATUS_UNSUCCESSFUL;
 131         }
 132
 133         /* Look through list */
 134         while(unix_dos_nt_errmap[i].unix_error != 0) {
 135                 if (unix_dos_nt_errmap[i].unix_error == unix_error)
 136                         return unix_dos_nt_errmap[i].nt_error;
 137                 i++;
 138         }
 139
 140         /* Default return */
 141         return NT_STATUS_ACCESS_DENIED;
 142 }
 143
 144 /* Convert a Unix error code to a WERROR. */
 145 WERROR unix_to_werror(int unix_error)
 146 {
 147         return ntstatus_to_werror(map_nt_error_from_unix(unix_error));
 148 }
 149
 150 /* Return a UNIX errno from a NT status code */
 151 static const struct {
 152         NTSTATUS status;
 153         int error;
 154 } nt_errno_map[] = {
 155         {NT_STATUS_ACCESS_VIOLATION, EACCES},
 156         {NT_STATUS_INVALID_HANDLE, EBADF},
 157         {NT_STATUS_ACCESS_DENIED, EACCES},
 158         {NT_STATUS_OBJECT_NAME_NOT_FOUND, ENOENT},
 159         {NT_STATUS_OBJECT_PATH_NOT_FOUND, ENOENT},
 160         {NT_STATUS_SHARING_VIOLATION, EBUSY},
 161         {NT_STATUS_OBJECT_PATH_INVALID, ENOTDIR},
 162         {NT_STATUS_OBJECT_NAME_COLLISION, EEXIST},
 163         {NT_STATUS_PATH_NOT_COVERED, ENOENT},
 164         {NT_STATUS_UNSUCCESSFUL, EINVAL},
 165         {NT_STATUS_NOT_IMPLEMENTED, ENOSYS},
 166         {NT_STATUS_IN_PAGE_ERROR, EFAULT},
 167         {NT_STATUS_BAD_NETWORK_NAME, ENOENT},
 168 #ifdef EDQUOT
 169         {NT_STATUS_PAGEFILE_QUOTA, EDQUOT},
 170         {NT_STATUS_QUOTA_EXCEEDED, EDQUOT},
 171         {NT_STATUS_REGISTRY_QUOTA_LIMIT, EDQUOT},
 172         {NT_STATUS_LICENSE_QUOTA_EXCEEDED, EDQUOT},
 173 #endif
 174 #ifdef ETIME
 175         {NT_STATUS_TIMER_NOT_CANCELED, ETIME},
 176 #endif
 177         {NT_STATUS_INVALID_PARAMETER, EINVAL},
 178         {NT_STATUS_NO_SUCH_DEVICE, ENODEV},
 179         {NT_STATUS_NO_SUCH_FILE, ENOENT},
 180 #ifdef ENODATA
 181         {NT_STATUS_END_OF_FILE, ENODATA},
 182 #endif
 183 #ifdef ENOMEDIUM
 184         {NT_STATUS_NO_MEDIA_IN_DEVICE, ENOMEDIUM},
 185         {NT_STATUS_NO_MEDIA, ENOMEDIUM},
 186 #endif
 187         {NT_STATUS_NONEXISTENT_SECTOR, ESPIPE},
 188         {NT_STATUS_NO_MEMORY, ENOMEM},
 189         {NT_STATUS_CONFLICTING_ADDRESSES, EADDRINUSE},
 190         {NT_STATUS_NOT_MAPPED_VIEW, EINVAL},
 191         {NT_STATUS_UNABLE_TO_FREE_VM, EADDRINUSE},
 192         {NT_STATUS_ACCESS_DENIED, EACCES},
 193         {NT_STATUS_BUFFER_TOO_SMALL, ENOBUFS},
 194         {NT_STATUS_WRONG_PASSWORD, EACCES},
 195         {NT_STATUS_LOGON_FAILURE, EACCES},
 196         {NT_STATUS_INVALID_WORKSTATION, EACCES},
 197         {NT_STATUS_INVALID_LOGON_HOURS, EACCES},
 198         {NT_STATUS_PASSWORD_EXPIRED, EACCES},
 199         {NT_STATUS_ACCOUNT_DISABLED, EACCES},
 200         {NT_STATUS_DISK_FULL, ENOSPC},
 201         {NT_STATUS_INVALID_PIPE_STATE, EPIPE},
 202         {NT_STATUS_PIPE_BUSY, EPIPE},
 203         {NT_STATUS_PIPE_DISCONNECTED, EPIPE},
 204         {NT_STATUS_PIPE_NOT_AVAILABLE, ENOSYS},
 205         {NT_STATUS_FILE_IS_A_DIRECTORY, EISDIR},
 206         {NT_STATUS_NOT_SUPPORTED, ENOSYS},
 207         {NT_STATUS_NOT_A_DIRECTORY, ENOTDIR},
 208         {NT_STATUS_DIRECTORY_NOT_EMPTY, ENOTEMPTY},
 209         {NT_STATUS_NETWORK_UNREACHABLE, ENETUNREACH},
 210         {NT_STATUS_HOST_UNREACHABLE, EHOSTUNREACH},
 211         {NT_STATUS_CONNECTION_ABORTED, ECONNABORTED},
 212         {NT_STATUS_CONNECTION_REFUSED, ECONNREFUSED},
 213         {NT_STATUS_TOO_MANY_LINKS, EMLINK},
 214         {NT_STATUS_NETWORK_BUSY, EBUSY},
 215         {NT_STATUS_DEVICE_DOES_NOT_EXIST, ENODEV},
 216 #ifdef ELIBACC
 217         {NT_STATUS_DLL_NOT_FOUND, ELIBACC},
 218 #endif
 219         {NT_STATUS_PIPE_BROKEN, EPIPE},
 220         {NT_STATUS_REMOTE_NOT_LISTENING, ECONNREFUSED},
 221         {NT_STATUS_NETWORK_ACCESS_DENIED, EACCES},
 222         {NT_STATUS_TOO_MANY_OPENED_FILES, EMFILE},
 223 #ifdef EPROTO
 224         {NT_STATUS_DEVICE_PROTOCOL_ERROR, EPROTO},
 225 #endif
 226         {NT_STATUS_FLOAT_OVERFLOW, ERANGE},
 227         {NT_STATUS_FLOAT_UNDERFLOW, ERANGE},
 228         {NT_STATUS_INTEGER_OVERFLOW, ERANGE},
 229         {NT_STATUS_MEDIA_WRITE_PROTECTED, EROFS},
 230         {NT_STATUS_PIPE_CONNECTED, EISCONN},
 231         {NT_STATUS_MEMORY_NOT_ALLOCATED, EFAULT},
 232         {NT_STATUS_FLOAT_INEXACT_RESULT, ERANGE},
 233         {NT_STATUS_ILL_FORMED_PASSWORD, EACCES},
 234         {NT_STATUS_PASSWORD_RESTRICTION, EACCES},
 235         {NT_STATUS_ACCOUNT_RESTRICTION, EACCES},
 236         {NT_STATUS_PORT_CONNECTION_REFUSED, ECONNREFUSED},
 237         {NT_STATUS_NAME_TOO_LONG, ENAMETOOLONG},
 238         {NT_STATUS_REMOTE_DISCONNECT, ESHUTDOWN},
 239         {NT_STATUS_CONNECTION_DISCONNECTED, ECONNABORTED},
 240         {NT_STATUS_CONNECTION_RESET, ENETRESET},
 241 #ifdef ENOTUNIQ
 242         {NT_STATUS_IP_ADDRESS_CONFLICT1, ENOTUNIQ},
 243         {NT_STATUS_IP_ADDRESS_CONFLICT2, ENOTUNIQ},
 244 #endif
 245         {NT_STATUS_PORT_MESSAGE_TOO_LONG, EMSGSIZE},
 246         {NT_STATUS_PROTOCOL_UNREACHABLE, ENOPROTOOPT},
 247         {NT_STATUS_ADDRESS_ALREADY_EXISTS, EADDRINUSE},
 248         {NT_STATUS_PORT_UNREACHABLE, EHOSTUNREACH},
 249         {NT_STATUS_IO_TIMEOUT, ETIMEDOUT},
 250         {NT_STATUS_RETRY, EAGAIN},
 251 #ifdef ENOTUNIQ
 252         {NT_STATUS_DUPLICATE_NAME, ENOTUNIQ},
 253 #endif
 254 #ifdef ECOMM
 255         {NT_STATUS_NET_WRITE_FAULT, ECOMM},
 256 #endif
 257 #ifdef EXDEV
 258         {NT_STATUS_NOT_SAME_DEVICE, EXDEV},
 259 #endif
 260         {NT_STATUS(0), 0}
 261 };
 262
 263 int map_errno_from_nt_status(NTSTATUS status)
 264 {
 265         int i;
 266         DEBUG(10,("map_errno_from_nt_status: 32 bit codes: code=%08x\n",
 267                 NT_STATUS_V(status)));
 268
 269         /* Status codes without this bit set are not errors */
 270
 271         if (!(NT_STATUS_V(status) & 0xc0000000)) {
 272                 return 0;
 273         }
 274
 275         for (i=0;nt_errno_map[i].error;i++) {
 276                 if (NT_STATUS_V(nt_errno_map[i].status) ==
 277                             NT_STATUS_V(status)) {
 278                         return nt_errno_map[i].error;
 279                 }
 280         }
 281
 282         /* for all other cases - a default code */
 283         return EINVAL;
 284 }