kmtests/ntos_ex/ExHardError.c

   1 /*
   2  * PROJECT:         ReactOS kernel-mode tests
   3  * LICENSE:         GPLv2+ - See COPYING in the top level directory
   4  * PURPOSE:         Kernel-Mode Test Suite Hard error message test
   5  * PROGRAMMER:      Thomas Faber <thfabba@gmx.de>
   6  */
   7
   8 #include <ntddk.h>
   9 #include <ntifs.h>
  10 #include <ndk/exfuncs.h>
  11 #include <pseh/pseh2.h>
  12
  13 #include <kmt_test.h>
  14
  15 /* TODO: don't require user interaction, test Io* routines,
  16  *       test NTSTATUS values with special handling */
  17
  18 /* TODO: this belongs in ndk/exfuncs.h?! */
  19 NTSTATUS
  20 NTAPI
  21 ExRaiseHardError(IN NTSTATUS ErrorStatus,
  22                  IN ULONG NumberOfParameters,
  23                  IN ULONG UnicodeStringParameterMask,
  24                  IN PULONG_PTR Parameters,
  25                  IN ULONG ValidResponseOptions,
  26                  OUT PULONG Response);
  27
  28 /* TODO: this belongs in HARDERROR_RESPONSE_OPTION in ndk/extypes.h */
  29 #define OptionBalloonNotification 7
  30 #define OptionCancelTryAgainContinue 8
  31
  32 static
  33 VOID
  34 SetParameters(
  35     OUT PULONG_PTR Parameters,
  36     IN INT Count,
  37     ...)
  38 {
  39     INT i;
  40     va_list Arguments;
  41     va_start(Arguments, Count);
  42     for (i = 0; i < Count; ++i)
  43         Parameters[i] = va_arg(Arguments, ULONG_PTR);
  44     va_end(Arguments);
  45 }
  46
  47 #define NoResponse 27
  48
  49 #define CheckHardError(ErrStatus, UnicodeStringMask, ResponseOption,    \
  50                         ExpectedStatus, ExpectedResponse,               \
  51                         NumberOfParameters, ...) do                     \
  52 {                                                                       \
  53     SetParameters(HardErrorParameters, NumberOfParameters, __VA_ARGS__);\
  54     Response = NoResponse;                                              \
  55     _SEH2_TRY {                                                         \
  56         Status = ExRaiseHardError(ErrStatus,                            \
  57                                   NumberOfParameters,                   \
  58                                   UnicodeStringMask,                    \
  59                                   HardErrorParameters,                  \
  60                                   ResponseOption,                       \
  61                                   &Response);                           \
  62     } _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) {                         \
  63         Status = _SEH2_GetExceptionCode();                              \
  64     } _SEH2_END;                                                        \
  65     ok_eq_hex(Status, ExpectedStatus);                                  \
  66     ok_eq_ulong(Response, (ULONG)ExpectedResponse);                     \
  67 } while (0)
  68
  69 #define CheckInformationalHardError(ErrStatus, String, Thread,          \
  70                                         ExpectedStatus, ExpectedRet) do \
  71 {                                                                       \
  72     Status = STATUS_SUCCESS;                                            \
  73     Ret = !ExpectedRet;                                                 \
  74     _SEH2_TRY {                                                         \
  75         Ret = IoRaiseInformationalHardError(ErrStatus,                  \
  76                                             String,                     \
  77                                             Thread);                    \
  78     } _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) {                         \
  79         Status = _SEH2_GetExceptionCode();                              \
  80     } _SEH2_END;                                                        \
  81     ok_eq_hex(Status, ExpectedStatus);                                  \
  82     ok_eq_bool(Ret, ExpectedRet);                                       \
  83 } while (0)
  84
  85 static
  86 VOID
  87 TestHardError(
  88     BOOLEAN InteractivePart1,
  89     BOOLEAN InteractivePart2,
  90     BOOLEAN InteractivePart3,
  91     BOOLEAN InteractivePart4)
  92 {
  93     NTSTATUS Status;
  94     ULONG Response;
  95     WCHAR StringBuffer1[] = L"Parameter1+Garbage";
  96     CHAR StringBuffer1Ansi[] = "Parameter1+Garbage";
  97     WCHAR StringBuffer2[] = L"Parameter2+Garbage";
  98     UNICODE_STRING String1 = RTL_CONSTANT_STRING(StringBuffer1);
  99     ANSI_STRING String1Ansi = RTL_CONSTANT_STRING(StringBuffer1Ansi);
 100     UNICODE_STRING String2 = RTL_CONSTANT_STRING(StringBuffer2);
 101     ULONG_PTR HardErrorParameters[6];
 102     BOOLEAN Ret;
 103
 104     String1.Length = sizeof L"Parameter1" - sizeof UNICODE_NULL;
 105     String1Ansi.Length = sizeof "Parameter1" - sizeof ANSI_NULL;
 106     String2.Length = sizeof L"Parameter2" - sizeof UNICODE_NULL;
 107
 108     if (InteractivePart1)
 109     {
 110     CheckHardError(0x40000000,                  0, OptionOk,                     STATUS_SUCCESS,            ResponseOk,             0, 0);                          // outputs a box :|
 111     CheckHardError(0x40000001,                  0, OptionOk,                     STATUS_SUCCESS,            ResponseOk,             4, 1, 2, 3, 4);                 // outputs a box :|
 112     CheckHardError(0x40000002,                  0, OptionOk,                     STATUS_SUCCESS,            ResponseOk,             5, 1, 2, 3, 4, 5);              // outputs a box :|
 113     }
 114     CheckHardError(0x40000003,                  0, OptionOk,                     STATUS_SUCCESS,            ResponseNotHandled,     6, 1, 2, 3, 4, 5, 6);
 115
 116     CheckHardError(0x40000004,                  0, OptionShutdownSystem,         STATUS_PRIVILEGE_NOT_HELD, ResponseNotHandled,     0, 0);
 117     CheckHardError(0x40000005,                  0, OptionBalloonNotification,    STATUS_SUCCESS,            ResponseOk,             0, 0);                          // outputs a balloon notification
 118     CheckHardError(0x4000000f,                  0, OptionBalloonNotification,    STATUS_SUCCESS,            ResponseOk,             0, 0);                          // outputs a balloon notification
 119     if (InteractivePart1)
 120     {
 121     CheckHardError(0x40000006,                  0, OptionAbortRetryIgnore,       STATUS_SUCCESS,            ResponseAbort,          0, 0);                          // outputs a box :|
 122     CheckHardError(0x40000006,                  0, OptionAbortRetryIgnore,       STATUS_SUCCESS,            ResponseRetry,          0, 0);                          // outputs a box :|
 123     CheckHardError(0x40000006,                  0, OptionAbortRetryIgnore,       STATUS_SUCCESS,            ResponseIgnore,         0, 0);                          // outputs a box :|
 124     CheckHardError(0x40000008,                  0, OptionCancelTryAgainContinue, STATUS_SUCCESS,            ResponseCancel,         0, 0);                          // outputs a box :|
 125     CheckHardError(0x40000008,                  0, OptionCancelTryAgainContinue, STATUS_SUCCESS,            ResponseTryAgain,       0, 0);                          // outputs a box :|
 126     CheckHardError(0x40000008,                  0, OptionCancelTryAgainContinue, STATUS_SUCCESS,            ResponseContinue,       0, 0);                          // outputs a box :|
 127     CheckHardError(0x40000010,                  0, OptionOkCancel,               STATUS_SUCCESS,            ResponseOk,             0, 0);                          // outputs a box :|
 128     CheckHardError(0x40000010,                  0, OptionOkCancel,               STATUS_SUCCESS,            ResponseCancel,         0, 0);                          // outputs a box :|
 129     CheckHardError(0x40000011,                  0, OptionRetryCancel,            STATUS_SUCCESS,            ResponseRetry,          0, 0);                          // outputs a box :|
 130     CheckHardError(0x40000011,                  0, OptionRetryCancel,            STATUS_SUCCESS,            ResponseCancel,         0, 0);                          // outputs a box :|
 131     CheckHardError(0x40000012,                  0, OptionYesNo,                  STATUS_SUCCESS,            ResponseYes,            0, 0);                          // outputs a box :|
 132     CheckHardError(0x40000012,                  0, OptionYesNo,                  STATUS_SUCCESS,            ResponseNo,             0, 0);                          // outputs a box :|
 133     CheckHardError(0x40000013,                  0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseYes,            0, 0);                          // outputs a box :|
 134     CheckHardError(0x40000013,                  0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNo,             0, 0);                          // outputs a box :|
 135     CheckHardError(0x40000013,                  0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         0, 0);                          // outputs a box :|
 136     }
 137     CheckHardError(0x40000009,                  0, 9,                            STATUS_SUCCESS,            ResponseNotHandled,     0, 0);
 138     CheckHardError(0x4000000a,                  0, 10,                           STATUS_SUCCESS,            ResponseNotHandled,     0, 0);
 139     CheckHardError(0x4000000b,                  0, 11,                           STATUS_SUCCESS,            ResponseNotHandled,     0, 0);
 140     CheckHardError(0x4000000c,                  0, 12,                           STATUS_SUCCESS,            ResponseNotHandled,     0, 0);
 141     CheckHardError(0x4000000d,                  0, MAXULONG / 2 + 1,             STATUS_SUCCESS,            ResponseNotHandled,     0, 0);
 142     CheckHardError(0x4000000d,                  0, MAXULONG,                     STATUS_SUCCESS,            ResponseNotHandled,     0, 0);
 143
 144     if (InteractivePart2)
 145     {
 146     /* try a message with one parameter */
 147     CheckHardError(STATUS_DLL_NOT_FOUND,        1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseYes,            1, &String1);                   // outputs a box :|
 148     CheckHardError(STATUS_DLL_NOT_FOUND,        0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         1, &String1);                   // outputs a box :|
 149     CheckHardError(STATUS_DLL_NOT_FOUND,        1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         0, &String1);                   // outputs a box :|
 150     CheckHardError(STATUS_DLL_NOT_FOUND,        0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         0, &String1);                   // outputs a box :|
 151     /* give too many parameters */
 152     CheckHardError(STATUS_DLL_NOT_FOUND,        1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseYes,            2, &String1, &String2);         // outputs a box :|
 153     CheckHardError(STATUS_DLL_NOT_FOUND,        2, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         2, &String1, &String2);         // outputs a box :|
 154     CheckHardError(STATUS_DLL_NOT_FOUND,        3, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseYes,            2, &String1, &String2);         // outputs a box :|
 155     CheckHardError(STATUS_DLL_NOT_FOUND,        3, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseYes,            4, &String1, &String2, 0, 0);   // outputs a box :|
 156     /* try with stuff that's not a UNICODE_STRING */
 157     CheckHardError(STATUS_DLL_NOT_FOUND,        1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNo,             1, &String1Ansi);               // outputs a box :|
 158     CheckHardError(STATUS_DLL_NOT_FOUND,        1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNo,             1, L"Parameter1");              // outputs a box :|
 159     CheckHardError(STATUS_DLL_NOT_FOUND,        1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNo,             1, "Parameter1");               // outputs a box :|
 160     CheckHardError(STATUS_DLL_NOT_FOUND,        1, OptionYesNoCancel,            STATUS_ACCESS_VIOLATION,   NoResponse,             1, 1234);                       // outputs a box :|
 161     CheckHardError(STATUS_DLL_NOT_FOUND,        1, OptionYesNoCancel,            STATUS_ACCESS_VIOLATION,   NoResponse,             1, NULL);                       // outputs a box :|
 162     CheckHardError(STATUS_DLL_NOT_FOUND,        0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         1, &String1Ansi);               // outputs a box :|
 163     CheckHardError(STATUS_DLL_NOT_FOUND,        0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         1, L"Parameter1");              // outputs a box :|
 164     CheckHardError(STATUS_DLL_NOT_FOUND,        0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         1, "Parameter1");               // outputs a box :|
 165     CheckHardError(STATUS_DLL_NOT_FOUND,        0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         1, 1234);                       // outputs a box :|
 166     CheckHardError(STATUS_DLL_NOT_FOUND,        0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         1, NULL);                       // outputs a box :|
 167     }
 168     if (InteractivePart3)
 169     {
 170     /* try a message with one parameter */
 171     CheckHardError(STATUS_SERVICE_NOTIFICATION, 1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNotHandled,     1, &String1);                   // outputs a box :|
 172     CheckHardError(STATUS_SERVICE_NOTIFICATION, 0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNotHandled,     1, &String1);                   // outputs a box :|
 173     CheckHardError(STATUS_SERVICE_NOTIFICATION, 1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNotHandled,     0, &String1);                   // outputs a box :|
 174     CheckHardError(STATUS_SERVICE_NOTIFICATION, 0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNotHandled,     0, &String1);                   // outputs a box :|
 175     /* give too many parameters */
 176     CheckHardError(STATUS_SERVICE_NOTIFICATION, 1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNotHandled,     2, &String1, &String2);         // outputs a box :|
 177     CheckHardError(STATUS_SERVICE_NOTIFICATION, 2, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNotHandled,     2, &String1, &String2);         // outputs a box :|
 178     CheckHardError(STATUS_SERVICE_NOTIFICATION, 3, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNotHandled,     2, &String1, &String2);         // outputs a box :|
 179     CheckHardError(STATUS_SERVICE_NOTIFICATION, 3, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseOk,             3, &String1, &String2, 0);      // outputs a box :|
 180     CheckHardError(STATUS_SERVICE_NOTIFICATION, 3, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseOk,             4, &String1, &String2, 0, 0);   // outputs a box :|
 181     CheckHardError(STATUS_SERVICE_NOTIFICATION, 3, OptionBalloonNotification,    STATUS_SUCCESS,            ResponseOk,             4, &String1, &String2, 0, 0);   // outputs a balloon notification
 182     /* try with stuff that's not a UNICODE_STRING */
 183     CheckHardError(STATUS_SERVICE_NOTIFICATION, 1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNotHandled,     1, &String1Ansi);               // outputs a box :|
 184     CheckHardError(STATUS_SERVICE_NOTIFICATION, 1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNotHandled,     1, L"Parameter1");              // outputs a box :|
 185     CheckHardError(STATUS_SERVICE_NOTIFICATION, 1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNotHandled,     1, "Parameter1");               // outputs a box :|
 186     CheckHardError(STATUS_SERVICE_NOTIFICATION, 1, OptionYesNoCancel,            STATUS_ACCESS_VIOLATION,   NoResponse,             1, 1234);                       // outputs a box :|
 187     CheckHardError(STATUS_SERVICE_NOTIFICATION, 1, OptionYesNoCancel,            STATUS_ACCESS_VIOLATION,   NoResponse,             1, NULL);                       // outputs a box :|
 188     CheckHardError(STATUS_SERVICE_NOTIFICATION, 0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNotHandled,     1, &String1Ansi);               // outputs a box :|
 189     CheckHardError(STATUS_SERVICE_NOTIFICATION, 0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNotHandled,     1, L"Parameter1");              // outputs a box :|
 190     CheckHardError(STATUS_SERVICE_NOTIFICATION, 0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNotHandled,     1, "Parameter1");               // outputs a box :|
 191     CheckHardError(STATUS_SERVICE_NOTIFICATION, 0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNotHandled,     1, 1234);                       // outputs a box :|
 192     CheckHardError(STATUS_SERVICE_NOTIFICATION, 0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNotHandled,     1, NULL);                       // outputs a box :|
 193     }
 194     if (InteractivePart4)
 195     {
 196     /* try a message with one parameter */
 197     CheckHardError(STATUS_FATAL_APP_EXIT,       1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseYes,            1, &String1);                   // outputs a box :|
 198     CheckHardError(STATUS_FATAL_APP_EXIT,       0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         1, &String1);                   // outputs a box :|
 199     CheckHardError(STATUS_FATAL_APP_EXIT,       1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         0, &String1);                   // outputs a box :|
 200     CheckHardError(STATUS_FATAL_APP_EXIT,       0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         0, &String1);                   // outputs a box :|
 201     /* give too many parameters */
 202     CheckHardError(STATUS_FATAL_APP_EXIT,       1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseYes,            2, &String1, &String2);         // outputs a box :|
 203     CheckHardError(STATUS_FATAL_APP_EXIT,       2, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         2, &String1, &String2);         // outputs a box :|
 204     CheckHardError(STATUS_FATAL_APP_EXIT,       3, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseYes,            2, &String1, &String2);         // outputs a box :|
 205     CheckHardError(STATUS_FATAL_APP_EXIT,       3, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseYes,            4, &String1, &String2, 0, 0);   // outputs a box :|
 206     /* try with stuff that's not a UNICODE_STRING */
 207     CheckHardError(STATUS_FATAL_APP_EXIT,       1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNo,             1, &String1Ansi);               // outputs a box :|
 208     CheckHardError(STATUS_FATAL_APP_EXIT,       1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNo,             1, L"Parameter1");              // outputs a box :|
 209     CheckHardError(STATUS_FATAL_APP_EXIT,       1, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseNo,             1, "Parameter1");               // outputs a box :|
 210     CheckHardError(STATUS_FATAL_APP_EXIT,       1, OptionYesNoCancel,            STATUS_ACCESS_VIOLATION,   NoResponse,             1, 1234);                       // outputs a box :|
 211     CheckHardError(STATUS_FATAL_APP_EXIT,       1, OptionYesNoCancel,            STATUS_ACCESS_VIOLATION,   NoResponse,             1, NULL);                       // outputs a box :|
 212     CheckHardError(STATUS_FATAL_APP_EXIT,       0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         1, &String1Ansi);               // outputs a box :|
 213     CheckHardError(STATUS_FATAL_APP_EXIT,       0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         1, L"Parameter1");              // outputs a box :|
 214     CheckHardError(STATUS_FATAL_APP_EXIT,       0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         1, "Parameter1");               // outputs a box :|
 215     CheckHardError(STATUS_FATAL_APP_EXIT,       0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         1, 1234);                       // outputs a box :|
 216     CheckHardError(STATUS_FATAL_APP_EXIT,       0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseCancel,         1, NULL);                       // outputs a box :|
 217     }
 218
 219     CheckInformationalHardError(STATUS_WAIT_0,               NULL,     NULL, STATUS_SUCCESS, TRUE);                                                                 // outputs a balloon notification
 220     CheckInformationalHardError(STATUS_DLL_NOT_FOUND,        &String1, NULL, STATUS_SUCCESS, TRUE);                                                                 // outputs a balloon notification
 221     CheckInformationalHardError(STATUS_DLL_NOT_FOUND,        NULL,     NULL, STATUS_SUCCESS, TRUE);                                                                 // outputs a balloon notification
 222     CheckInformationalHardError(STATUS_SERVICE_NOTIFICATION, &String1, NULL, STATUS_SUCCESS, FALSE);
 223
 224     ok_bool_true(IoSetThreadHardErrorMode(TRUE), "IoSetThreadHardErrorMode returned");
 225     ok_bool_true(IoSetThreadHardErrorMode(FALSE), "IoSetThreadHardErrorMode returned");
 226     ok_bool_false(IoSetThreadHardErrorMode(FALSE), "IoSetThreadHardErrorMode returned");
 227     CheckHardError(STATUS_FATAL_APP_EXIT,       0, OptionYesNoCancel,            STATUS_SUCCESS,            ResponseReturnToCaller, 0, 0);
 228     CheckHardError(STATUS_FATAL_APP_EXIT,       1, OptionYesNoCancel,            STATUS_ACCESS_VIOLATION,   NoResponse,             1, NULL);
 229     CheckInformationalHardError(STATUS_WAIT_0,               NULL,     NULL, STATUS_SUCCESS, FALSE);
 230     CheckInformationalHardError(STATUS_DLL_NOT_FOUND,        &String1, NULL, STATUS_SUCCESS, FALSE);
 231     CheckInformationalHardError(STATUS_DLL_NOT_FOUND,        NULL,     NULL, STATUS_SUCCESS, FALSE);
 232     CheckInformationalHardError(STATUS_SERVICE_NOTIFICATION, &String1, NULL, STATUS_SUCCESS, FALSE);
 233     ok_bool_false(IoSetThreadHardErrorMode(TRUE), "IoSetThreadHardErrorMode returned");
 234 }
 235
 236 START_TEST(ExHardError)
 237 {
 238     TestHardError(FALSE, FALSE, FALSE, FALSE);
 239 }
 240
 241 /* Here's how to do the interactive test:
 242  * - First there will be a few messages random messages. If there's
 243  *   multiple options available, the same box will appear multiple times --
 244  *   click the buttons in order from left to right
 245  * - After that, you must verify the error parameters. You should always
 246  *   see Parameter1 or Parameter2 for strings, and 0x12345678 for numbers.
 247  *   if there's a message saying an exception occured during processing,
 248  *   click cancel. If there's a bad parameter (Parameter1+, Parameter1+Garbage
 249  *   or an empty string for example), click no. Otherwise click yes. */
 250 START_TEST(ExHardErrorInteractive)
 251 {
 252     TestHardError(TRUE, TRUE, TRUE, TRUE);
 253 }