source/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_HANDLE },
  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 #ifdef ELOOP
  44         { ELOOP, ERRDOS, ERRbadpath, NT_STATUS_OBJECT_PATH_NOT_FOUND },
  45 #endif
  46 #ifdef EDQUOT
  47         { EDQUOT, ERRHRD, ERRdiskfull, NT_STATUS_DISK_FULL }, /* Windows apps need this, not NT_STATUS_QUOTA_EXCEEDED */
  48 #endif
  49 #ifdef ENOTEMPTY
  50         { ENOTEMPTY, ERRDOS, ERRnoaccess, NT_STATUS_DIRECTORY_NOT_EMPTY },
  51 #endif
  52 #ifdef EXDEV
  53         { EXDEV, ERRDOS, ERRdiffdevice, NT_STATUS_NOT_SAME_DEVICE },
  54 #endif
  55 #ifdef EROFS
  56         { EROFS, ERRHRD, ERRnowrite, NT_STATUS_ACCESS_DENIED },
  57 #endif
  58 #ifdef ENAMETOOLONG
  59         { ENAMETOOLONG, ERRDOS, 206, NT_STATUS_OBJECT_NAME_INVALID },
  60 #endif
  61 #ifdef EFBIG
  62         { EFBIG, ERRHRD, ERRdiskfull, NT_STATUS_DISK_FULL },
  63 #endif
  64 #ifdef ENOBUFS
  65         { ENOBUFS, ERRDOS, ERRnomem, NT_STATUS_INSUFFICIENT_RESOURCES },
  66 #endif
  67         { EAGAIN, ERRDOS, 111, NT_STATUS_NETWORK_BUSY },
  68 #ifdef EADDRINUSE
  69         { EADDRINUSE, ERRDOS, 52, NT_STATUS_ADDRESS_ALREADY_ASSOCIATED},
  70 #endif
  71 #ifdef ENETUNREACH
  72         { ENETUNREACH, ERRHRD, ERRgeneral, NT_STATUS_NETWORK_UNREACHABLE},
  73 #endif
  74 #ifdef EHOSTUNREACH
  75                 { EHOSTUNREACH, ERRHRD, ERRgeneral, NT_STATUS_HOST_UNREACHABLE},
  76 #endif
  77 #ifdef ECONNREFUSED
  78         { ECONNREFUSED, ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_REFUSED},
  79 #endif
  80 #ifdef ETIMEDOUT
  81         { ETIMEDOUT, ERRHRD, 121, NT_STATUS_IO_TIMEOUT},
  82 #endif
  83 #ifdef ECONNABORTED
  84         { ECONNABORTED, ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_ABORTED},
  85 #endif
  86 #ifdef ENODEV
  87         { ENODEV, ERRDOS, 55, NT_STATUS_DEVICE_DOES_NOT_EXIST},
  88 #endif
  89 #ifdef EPIPE
  90         { EPIPE, ERRDOS, 109, NT_STATUS_PIPE_BROKEN},
  91 #endif
  92 #ifdef EWOULDBLOCK
  93         { EWOULDBLOCK, ERRDOS, 111, NT_STATUS_NETWORK_BUSY },
  94 #endif
  95 #ifdef ENOATTR
  96         { ENOATTR, ERRDOS, ERRbadfile, NT_STATUS_NOT_FOUND },
  97 #endif
  98
  99         { 0, 0, 0, NT_STATUS_OK }
 100 };
 101
 102 /*********************************************************************
 103  Map an NT error code from a Unix error code.
 104 *********************************************************************/
 105
 106 NTSTATUS map_nt_error_from_unix(int unix_error)
 107 {
 108         int i = 0;
 109
 110         if (unix_error == 0) {
 111                 /* we map this to an error, not success, as this
 112                    function is only called in an error path. Lots of
 113                    our virtualised functions may fail without making a
 114                    unix system call that fails (such as when they are
 115                    checking for some handle existing), so unix_error
 116                    may be unset
 117                 */
 118                 return NT_STATUS_UNSUCCESSFUL;
 119         }
 120
 121         /* Look through list */
 122         while(unix_dos_nt_errmap[i].unix_error != 0) {
 123                 if (unix_dos_nt_errmap[i].unix_error == unix_error)
 124                         return unix_dos_nt_errmap[i].nt_error;
 125                 i++;
 126         }
 127
 128         /* Default return */
 129         return NT_STATUS_ACCESS_DENIED;
 130 }
 131
 132 /* Return a UNIX errno from a NT status code */
 133 static const struct {
 134         NTSTATUS status;
 135         int error;
 136 } nt_errno_map[] = {
 137         {NT_STATUS_ACCESS_VIOLATION, EACCES},
 138         {NT_STATUS_INVALID_HANDLE, EBADF},
 139         {NT_STATUS_ACCESS_DENIED, EACCES},
 140         {NT_STATUS_OBJECT_NAME_NOT_FOUND, ENOENT},
 141         {NT_STATUS_OBJECT_PATH_NOT_FOUND, ENOENT},
 142         {NT_STATUS_SHARING_VIOLATION, EBUSY},
 143         {NT_STATUS_OBJECT_PATH_INVALID, ENOTDIR},
 144         {NT_STATUS_OBJECT_NAME_COLLISION, EEXIST},
 145         {NT_STATUS_PATH_NOT_COVERED, ENOENT},
 146         {NT_STATUS_UNSUCCESSFUL, EINVAL},
 147         {NT_STATUS_NOT_IMPLEMENTED, ENOSYS},
 148         {NT_STATUS_IN_PAGE_ERROR, EFAULT},
 149         {NT_STATUS_BAD_NETWORK_NAME, ENOENT},
 150 #ifdef EDQUOT
 151         {NT_STATUS_PAGEFILE_QUOTA, EDQUOT},
 152         {NT_STATUS_QUOTA_EXCEEDED, EDQUOT},
 153         {NT_STATUS_REGISTRY_QUOTA_LIMIT, EDQUOT},
 154         {NT_STATUS_LICENSE_QUOTA_EXCEEDED, EDQUOT},
 155 #endif
 156 #ifdef ETIME
 157         {NT_STATUS_TIMER_NOT_CANCELED, ETIME},
 158 #endif
 159         {NT_STATUS_INVALID_PARAMETER, EINVAL},
 160         {NT_STATUS_NO_SUCH_DEVICE, ENODEV},
 161         {NT_STATUS_NO_SUCH_FILE, ENOENT},
 162 #ifdef ENODATA
 163         {NT_STATUS_END_OF_FILE, ENODATA},
 164 #endif
 165 #ifdef ENOMEDIUM
 166         {NT_STATUS_NO_MEDIA_IN_DEVICE, ENOMEDIUM},
 167         {NT_STATUS_NO_MEDIA, ENOMEDIUM},
 168 #endif
 169         {NT_STATUS_NONEXISTENT_SECTOR, ESPIPE},
 170         {NT_STATUS_NO_MEMORY, ENOMEM},
 171         {NT_STATUS_CONFLICTING_ADDRESSES, EADDRINUSE},
 172         {NT_STATUS_NOT_MAPPED_VIEW, EINVAL},
 173         {NT_STATUS_UNABLE_TO_FREE_VM, EADDRINUSE},
 174         {NT_STATUS_ACCESS_DENIED, EACCES},
 175         {NT_STATUS_BUFFER_TOO_SMALL, ENOBUFS},
 176         {NT_STATUS_WRONG_PASSWORD, EACCES},
 177         {NT_STATUS_LOGON_FAILURE, EACCES},
 178         {NT_STATUS_INVALID_WORKSTATION, EACCES},
 179         {NT_STATUS_INVALID_LOGON_HOURS, EACCES},
 180         {NT_STATUS_PASSWORD_EXPIRED, EACCES},
 181         {NT_STATUS_ACCOUNT_DISABLED, EACCES},
 182         {NT_STATUS_DISK_FULL, ENOSPC},
 183         {NT_STATUS_INVALID_PIPE_STATE, EPIPE},
 184         {NT_STATUS_PIPE_BUSY, EPIPE},
 185         {NT_STATUS_PIPE_DISCONNECTED, EPIPE},
 186         {NT_STATUS_PIPE_NOT_AVAILABLE, ENOSYS},
 187         {NT_STATUS_FILE_IS_A_DIRECTORY, EISDIR},
 188         {NT_STATUS_NOT_SUPPORTED, ENOSYS},
 189         {NT_STATUS_NOT_A_DIRECTORY, ENOTDIR},
 190         {NT_STATUS_DIRECTORY_NOT_EMPTY, ENOTEMPTY},
 191         {NT_STATUS_NETWORK_UNREACHABLE, ENETUNREACH},
 192         {NT_STATUS_HOST_UNREACHABLE, EHOSTUNREACH},
 193         {NT_STATUS_CONNECTION_ABORTED, ECONNABORTED},
 194         {NT_STATUS_CONNECTION_REFUSED, ECONNREFUSED},
 195         {NT_STATUS_TOO_MANY_LINKS, EMLINK},
 196         {NT_STATUS_NETWORK_BUSY, EBUSY},
 197         {NT_STATUS_DEVICE_DOES_NOT_EXIST, ENODEV},
 198 #ifdef ELIBACC
 199         {NT_STATUS_DLL_NOT_FOUND, ELIBACC},
 200 #endif
 201         {NT_STATUS_PIPE_BROKEN, EPIPE},
 202         {NT_STATUS_REMOTE_NOT_LISTENING, ECONNREFUSED},
 203         {NT_STATUS_NETWORK_ACCESS_DENIED, EACCES},
 204         {NT_STATUS_TOO_MANY_OPENED_FILES, EMFILE},
 205 #ifdef EPROTO
 206         {NT_STATUS_DEVICE_PROTOCOL_ERROR, EPROTO},
 207 #endif
 208         {NT_STATUS_FLOAT_OVERFLOW, ERANGE},
 209         {NT_STATUS_FLOAT_UNDERFLOW, ERANGE},
 210         {NT_STATUS_INTEGER_OVERFLOW, ERANGE},
 211         {NT_STATUS_MEDIA_WRITE_PROTECTED, EROFS},
 212         {NT_STATUS_PIPE_CONNECTED, EISCONN},
 213         {NT_STATUS_MEMORY_NOT_ALLOCATED, EFAULT},
 214         {NT_STATUS_FLOAT_INEXACT_RESULT, ERANGE},
 215         {NT_STATUS_ILL_FORMED_PASSWORD, EACCES},
 216         {NT_STATUS_PASSWORD_RESTRICTION, EACCES},
 217         {NT_STATUS_ACCOUNT_RESTRICTION, EACCES},
 218         {NT_STATUS_PORT_CONNECTION_REFUSED, ECONNREFUSED},
 219         {NT_STATUS_NAME_TOO_LONG, ENAMETOOLONG},
 220         {NT_STATUS_REMOTE_DISCONNECT, ESHUTDOWN},
 221         {NT_STATUS_CONNECTION_DISCONNECTED, ECONNABORTED},
 222         {NT_STATUS_CONNECTION_RESET, ENETRESET},
 223 #ifdef ENOTUNIQ
 224         {NT_STATUS_IP_ADDRESS_CONFLICT1, ENOTUNIQ},
 225         {NT_STATUS_IP_ADDRESS_CONFLICT2, ENOTUNIQ},
 226 #endif
 227         {NT_STATUS_PORT_MESSAGE_TOO_LONG, EMSGSIZE},
 228         {NT_STATUS_PROTOCOL_UNREACHABLE, ENOPROTOOPT},
 229         {NT_STATUS_ADDRESS_ALREADY_EXISTS, EADDRINUSE},
 230         {NT_STATUS_PORT_UNREACHABLE, EHOSTUNREACH},
 231         {NT_STATUS_IO_TIMEOUT, ETIMEDOUT},
 232         {NT_STATUS_RETRY, EAGAIN},
 233 #ifdef ENOTUNIQ
 234         {NT_STATUS_DUPLICATE_NAME, ENOTUNIQ},
 235 #endif
 236 #ifdef ECOMM
 237         {NT_STATUS_NET_WRITE_FAULT, ECOMM},
 238 #endif
 239 #ifdef EXDEV
 240         {NT_STATUS_NOT_SAME_DEVICE, EXDEV},
 241 #endif
 242         {NT_STATUS(0), 0}
 243 };
 244
 245 int map_errno_from_nt_status(NTSTATUS status)
 246 {
 247         int i;
 248         DEBUG(10,("map_errno_from_nt_status: 32 bit codes: code=%08x\n",
 249                 NT_STATUS_V(status)));
 250
 251         /* Status codes without this bit set are not errors */
 252
 253         if (!(NT_STATUS_V(status) & 0xc0000000)) {
 254                 return 0;
 255         }
 256
 257         for (i=0;nt_errno_map[i].error;i++) {
 258                 if (NT_STATUS_V(nt_errno_map[i].status) ==
 259                             NT_STATUS_V(status)) {
 260                         return nt_errno_map[i].error;
 261                 }
 262         }
 263
 264         /* for all other cases - a default code */
 265         return EINVAL;
 266 }