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 static const struct {
  28         int unix_error;
  29         NTSTATUS nt_error;
  30 } unix_nt_errmap[] = {
  31         { EPERM,        NT_STATUS_ACCESS_DENIED },
  32         { EACCES,       NT_STATUS_ACCESS_DENIED },
  33         { ENOENT,       NT_STATUS_OBJECT_NAME_NOT_FOUND },
  34         { ENOTDIR,      NT_STATUS_NOT_A_DIRECTORY },
  35         { EIO,          NT_STATUS_IO_DEVICE_ERROR },
  36         { EBADF,        NT_STATUS_INVALID_HANDLE },
  37         { EINVAL,       NT_STATUS_INVALID_PARAMETER },
  38         { EEXIST,       NT_STATUS_OBJECT_NAME_COLLISION},
  39         { ENFILE,       NT_STATUS_TOO_MANY_OPENED_FILES },
  40         { EMFILE,       NT_STATUS_TOO_MANY_OPENED_FILES },
  41         { ENOSPC,       NT_STATUS_DISK_FULL },
  42         { ENOMEM,       NT_STATUS_NO_MEMORY },
  43         { EISDIR,       NT_STATUS_FILE_IS_A_DIRECTORY},
  44         { EMLINK,       NT_STATUS_TOO_MANY_LINKS },
  45         { EINTR,        NT_STATUS_RETRY },
  46         { ENOSYS,       NT_STATUS_NOT_SUPPORTED },
  47 #ifdef ELOOP
  48         { ELOOP,        NT_STATUS_OBJECT_PATH_NOT_FOUND },
  49 #endif
  50 #ifdef EFTYPE
  51         { EFTYPE,       NT_STATUS_OBJECT_PATH_NOT_FOUND },
  52 #endif
  53 #ifdef EDQUOT
  54         { EDQUOT,       NT_STATUS_DISK_FULL }, /* Windows apps need this, not NT_STATUS_QUOTA_EXCEEDED */
  55 #endif
  56 #ifdef ENOTEMPTY
  57         { ENOTEMPTY,    NT_STATUS_DIRECTORY_NOT_EMPTY },
  58 #endif
  59 #ifdef EXDEV
  60         { EXDEV,        NT_STATUS_NOT_SAME_DEVICE },
  61 #endif
  62 #ifdef EROFS
  63         { EROFS,        NT_STATUS_ACCESS_DENIED },
  64 #endif
  65 #ifdef ENAMETOOLONG
  66         { ENAMETOOLONG, NT_STATUS_OBJECT_NAME_INVALID },
  67 #endif
  68 #ifdef EFBIG
  69         { EFBIG,        NT_STATUS_DISK_FULL },
  70 #endif
  71 #ifdef ENOBUFS
  72         { ENOBUFS,      NT_STATUS_INSUFFICIENT_RESOURCES },
  73 #endif
  74         { EAGAIN,       NT_STATUS_NETWORK_BUSY },
  75 #ifdef EADDRINUSE
  76         { EADDRINUSE,   NT_STATUS_ADDRESS_ALREADY_ASSOCIATED},
  77 #endif
  78 #ifdef ENETUNREACH
  79         { ENETUNREACH,  NT_STATUS_NETWORK_UNREACHABLE},
  80 #endif
  81 #ifdef EHOSTUNREACH
  82         { EHOSTUNREACH, NT_STATUS_HOST_UNREACHABLE},
  83 #endif
  84 #ifdef ECONNREFUSED
  85         { ECONNREFUSED, NT_STATUS_CONNECTION_REFUSED},
  86 #endif
  87 #ifdef ETIMEDOUT
  88         { ETIMEDOUT,    NT_STATUS_IO_TIMEOUT},
  89 #endif
  90 #ifdef ECONNABORTED
  91         { ECONNABORTED, NT_STATUS_CONNECTION_ABORTED},
  92 #endif
  93 #ifdef ECONNRESET
  94         { ECONNRESET,   NT_STATUS_CONNECTION_RESET},
  95 #endif
  96 #ifdef ENODEV
  97         { ENODEV,       NT_STATUS_DEVICE_DOES_NOT_EXIST},
  98 #endif
  99 #ifdef EPIPE
 100         { EPIPE,        NT_STATUS_PIPE_BROKEN},
 101 #endif
 102 #ifdef EWOULDBLOCK
 103         { EWOULDBLOCK,  NT_STATUS_NETWORK_BUSY },
 104 #endif
 105 #ifdef ENOATTR
 106         { ENOATTR,      NT_STATUS_NOT_FOUND },
 107 #endif
 108 #ifdef ECANCELED
 109         { ECANCELED,    NT_STATUS_CANCELLED},
 110 #endif
 111 #ifdef ENOTSUP
 112         { ENOTSUP,      NT_STATUS_NOT_SUPPORTED},
 113 #endif
 114 };
 115
 116 /*********************************************************************
 117  Map an NT error code from a Unix error code.
 118 *********************************************************************/
 119
 120 NTSTATUS map_nt_error_from_unix(int unix_error)
 121 {
 122         int i = 0;
 123
 124         if (unix_error == 0) {
 125                 /* we map this to an error, not success, as this
 126                    function is only called in an error path. Lots of
 127                    our virtualised functions may fail without making a
 128                    unix system call that fails (such as when they are
 129                    checking for some handle existing), so unix_error
 130                    may be unset
 131                 */
 132                 return NT_STATUS_UNSUCCESSFUL;
 133         }
 134
 135         /* Look through list */
 136         for (i=0;i<ARRAY_SIZE(unix_nt_errmap);i++) {
 137                 if (unix_nt_errmap[i].unix_error == unix_error) {
 138                         return unix_nt_errmap[i].nt_error;
 139                 }
 140         }
 141
 142         /* Default return */
 143         return NT_STATUS_ACCESS_DENIED;
 144 }
 145
 146 /* Return a UNIX errno from a NT status code */
 147 static const struct {
 148         NTSTATUS status;
 149         int error;
 150 } nt_errno_map[] = {
 151         {NT_STATUS_ACCESS_VIOLATION, EACCES},
 152         {NT_STATUS_INVALID_HANDLE, EBADF},
 153         {NT_STATUS_ACCESS_DENIED, EACCES},
 154         {NT_STATUS_OBJECT_NAME_NOT_FOUND, ENOENT},
 155         {NT_STATUS_OBJECT_PATH_NOT_FOUND, ENOENT},
 156         {NT_STATUS_SHARING_VIOLATION, EBUSY},
 157         {NT_STATUS_OBJECT_PATH_INVALID, ENOTDIR},
 158         {NT_STATUS_OBJECT_NAME_COLLISION, EEXIST},
 159         {NT_STATUS_PATH_NOT_COVERED, ENOENT},
 160         {NT_STATUS_UNSUCCESSFUL, EINVAL},
 161         {NT_STATUS_NOT_IMPLEMENTED, ENOSYS},
 162         {NT_STATUS_IN_PAGE_ERROR, EFAULT},
 163         {NT_STATUS_BAD_NETWORK_NAME, ENOENT},
 164 #ifdef EDQUOT
 165         {NT_STATUS_PAGEFILE_QUOTA, EDQUOT},
 166         {NT_STATUS_QUOTA_EXCEEDED, EDQUOT},
 167         {NT_STATUS_REGISTRY_QUOTA_LIMIT, EDQUOT},
 168         {NT_STATUS_LICENSE_QUOTA_EXCEEDED, EDQUOT},
 169 #endif
 170 #ifdef ETIME
 171         {NT_STATUS_TIMER_NOT_CANCELED, ETIME},
 172 #endif
 173         {NT_STATUS_INVALID_PARAMETER, EINVAL},
 174         {NT_STATUS_NO_SUCH_DEVICE, ENODEV},
 175         {NT_STATUS_NO_SUCH_FILE, ENOENT},
 176 #ifdef ENODATA
 177         {NT_STATUS_END_OF_FILE, ENODATA},
 178 #endif
 179 #ifdef ENOMEDIUM
 180         {NT_STATUS_NO_MEDIA_IN_DEVICE, ENOMEDIUM},
 181         {NT_STATUS_NO_MEDIA, ENOMEDIUM},
 182 #endif
 183         {NT_STATUS_NONEXISTENT_SECTOR, ESPIPE},
 184         {NT_STATUS_NO_MEMORY, ENOMEM},
 185         {NT_STATUS_CONFLICTING_ADDRESSES, EADDRINUSE},
 186         {NT_STATUS_NOT_MAPPED_VIEW, EINVAL},
 187         {NT_STATUS_UNABLE_TO_FREE_VM, EADDRINUSE},
 188         {NT_STATUS_ACCESS_DENIED, EACCES},
 189         {NT_STATUS_BUFFER_TOO_SMALL, ENOBUFS},
 190         {NT_STATUS_WRONG_PASSWORD, EACCES},
 191         {NT_STATUS_LOGON_FAILURE, EACCES},
 192         {NT_STATUS_INVALID_WORKSTATION, EACCES},
 193         {NT_STATUS_INVALID_LOGON_HOURS, EACCES},
 194         {NT_STATUS_PASSWORD_EXPIRED, EACCES},
 195         {NT_STATUS_ACCOUNT_DISABLED, EACCES},
 196         {NT_STATUS_DISK_FULL, ENOSPC},
 197         {NT_STATUS_INVALID_PIPE_STATE, EPIPE},
 198         {NT_STATUS_PIPE_BUSY, EPIPE},
 199         {NT_STATUS_PIPE_DISCONNECTED, EPIPE},
 200         {NT_STATUS_PIPE_NOT_AVAILABLE, ENOSYS},
 201         {NT_STATUS_FILE_IS_A_DIRECTORY, EISDIR},
 202         {NT_STATUS_NOT_SUPPORTED, ENOSYS},
 203         {NT_STATUS_NOT_A_DIRECTORY, ENOTDIR},
 204         {NT_STATUS_DIRECTORY_NOT_EMPTY, ENOTEMPTY},
 205         {NT_STATUS_NETWORK_UNREACHABLE, ENETUNREACH},
 206         {NT_STATUS_HOST_UNREACHABLE, EHOSTUNREACH},
 207         {NT_STATUS_CONNECTION_ABORTED, ECONNABORTED},
 208         {NT_STATUS_CONNECTION_REFUSED, ECONNREFUSED},
 209         {NT_STATUS_TOO_MANY_LINKS, EMLINK},
 210         {NT_STATUS_NETWORK_BUSY, EBUSY},
 211         {NT_STATUS_DEVICE_DOES_NOT_EXIST, ENODEV},
 212 #ifdef ELIBACC
 213         {NT_STATUS_DLL_NOT_FOUND, ELIBACC},
 214 #endif
 215         {NT_STATUS_PIPE_BROKEN, EPIPE},
 216         {NT_STATUS_REMOTE_NOT_LISTENING, ECONNREFUSED},
 217         {NT_STATUS_NETWORK_ACCESS_DENIED, EACCES},
 218         {NT_STATUS_TOO_MANY_OPENED_FILES, EMFILE},
 219 #ifdef EPROTO
 220         {NT_STATUS_DEVICE_PROTOCOL_ERROR, EPROTO},
 221 #endif
 222         {NT_STATUS_FLOAT_OVERFLOW, ERANGE},
 223         {NT_STATUS_FLOAT_UNDERFLOW, ERANGE},
 224         {NT_STATUS_INTEGER_OVERFLOW, ERANGE},
 225         {NT_STATUS_MEDIA_WRITE_PROTECTED, EROFS},
 226         {NT_STATUS_PIPE_CONNECTED, EISCONN},
 227         {NT_STATUS_MEMORY_NOT_ALLOCATED, EFAULT},
 228         {NT_STATUS_FLOAT_INEXACT_RESULT, ERANGE},
 229         {NT_STATUS_ILL_FORMED_PASSWORD, EACCES},
 230         {NT_STATUS_PASSWORD_RESTRICTION, EACCES},
 231         {NT_STATUS_ACCOUNT_RESTRICTION, EACCES},
 232         {NT_STATUS_PORT_CONNECTION_REFUSED, ECONNREFUSED},
 233         {NT_STATUS_NAME_TOO_LONG, ENAMETOOLONG},
 234         {NT_STATUS_REMOTE_DISCONNECT, ESHUTDOWN},
 235         {NT_STATUS_CONNECTION_DISCONNECTED, ECONNABORTED},
 236         {NT_STATUS_CONNECTION_RESET, ENETRESET},
 237 #ifdef ENOTUNIQ
 238         {NT_STATUS_IP_ADDRESS_CONFLICT1, ENOTUNIQ},
 239         {NT_STATUS_IP_ADDRESS_CONFLICT2, ENOTUNIQ},
 240 #endif
 241         {NT_STATUS_PORT_MESSAGE_TOO_LONG, EMSGSIZE},
 242         {NT_STATUS_PROTOCOL_UNREACHABLE, ENOPROTOOPT},
 243         {NT_STATUS_ADDRESS_ALREADY_EXISTS, EADDRINUSE},
 244         {NT_STATUS_PORT_UNREACHABLE, EHOSTUNREACH},
 245         {NT_STATUS_IO_TIMEOUT, ETIMEDOUT},
 246         {NT_STATUS_RETRY, EAGAIN},
 247 #ifdef ENOTUNIQ
 248         {NT_STATUS_DUPLICATE_NAME, ENOTUNIQ},
 249 #endif
 250 #ifdef ECOMM
 251         {NT_STATUS_NET_WRITE_FAULT, ECOMM},
 252 #endif
 253 #ifdef EXDEV
 254         {NT_STATUS_NOT_SAME_DEVICE, EXDEV},
 255 #endif
 256 };
 257
 258 int map_errno_from_nt_status(NTSTATUS status)
 259 {
 260         int i;
 261         DEBUG(10,("map_errno_from_nt_status: 32 bit codes: code=%08x\n",
 262                 NT_STATUS_V(status)));
 263
 264         /* Status codes without this bit set are not errors */
 265
 266         if (!(NT_STATUS_V(status) & 0xc0000000)) {
 267                 return 0;
 268         }
 269
 270         for (i=0;i<ARRAY_SIZE(nt_errno_map);i++) {
 271                 if (NT_STATUS_V(nt_errno_map[i].status) ==
 272                             NT_STATUS_V(status)) {
 273                         return nt_errno_map[i].error;
 274                 }
 275         }
 276
 277         /* for all other cases - a default code */
 278         return EINVAL;
 279 }