/*
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS User API Server DLL
- * FILE: win32ss/user/winsrv/usersrv/harderror.c
- * PURPOSE: Hard errors
- * PROGRAMMERS: Dmitry Philippov (shedon@mail.ru)
- * Timo Kreuzer (timo.kreuzer@reactos.org)
+ * PROJECT: ReactOS User API Server DLL
+ * LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
+ * PURPOSE: Hard errors support.
+ * COPYRIGHT: Copyright 2007-2018 Dmitry Philippov (shedon@mail.ru)
+ * Copyright 2010-2018 Timo Kreuzer (timo.kreuzer@reactos.org)
+ * Copyright 2012-2018 Hermes Belusca-Maito
+ * Copyright 2018 Giannis Adamopoulos
*/
/* INCLUDES *******************************************************************/
#include "usersrv.h"
+#define NTOS_MODE_USER
#include <ndk/mmfuncs.h>
-#include <pseh/pseh2.h>
-#include <strsafe.h>
+
+#include <undocelfapi.h>
+#include <ntstrsafe.h>
+
+#include "resource.h"
#define NDEBUG
#include <debug.h>
-#define IDTRYAGAIN 10
-#define IDCONTINUE 11
/* FUNCTIONS ******************************************************************/
+/* Cache for the localized hard-error message box strings */
+LANGID g_CurrentUserLangId = 0;
+UNICODE_STRING g_SuccessU = {0, 0, NULL};
+UNICODE_STRING g_InformationU = {0, 0, NULL};
+UNICODE_STRING g_WarningU = {0, 0, NULL};
+UNICODE_STRING g_ErrorU = {0, 0, NULL};
+UNICODE_STRING g_SystemProcessU = {0, 0, NULL};
+UNICODE_STRING g_OKTerminateU = {0, 0, NULL};
+UNICODE_STRING g_CancelDebugU = {0, 0, NULL};
+
+VOID
+RtlLoadUnicodeString(
+ IN HINSTANCE hInstance OPTIONAL,
+ IN UINT uID,
+ OUT PUNICODE_STRING pUnicodeString,
+ IN PCWSTR pDefaultString)
+{
+ UINT Length;
+
+ /* Try to load the string from the resource */
+ Length = LoadStringW(hInstance, uID, (LPWSTR)&pUnicodeString->Buffer, 0);
+ if (Length == 0)
+ {
+ /* If the resource string was not found, use the fallback default one */
+ RtlInitUnicodeString(pUnicodeString, pDefaultString);
+ }
+ else
+ {
+ /* Set the string length (not NULL-terminated!) */
+ pUnicodeString->MaximumLength = (USHORT)(Length * sizeof(WCHAR));
+ pUnicodeString->Length = pUnicodeString->MaximumLength;
+ }
+}
+
+
+/*
+ * NOTE: _scwprintf() is NOT exported by ntdll.dll,
+ * only _vscwprintf() is, so we need to implement it here.
+ * Code comes from sdk/lib/crt/printf/_scwprintf.c .
+ */
+int
+__cdecl
+_scwprintf(
+ const wchar_t *format,
+ ...)
+{
+ int len;
+ va_list args;
+
+ va_start(args, format);
+ len = _vscwprintf(format, args);
+ va_end(args);
+
+ return len;
+}
+
+
+/* FIXME */
+int
+WINAPI
+MessageBoxTimeoutW(
+ HWND hWnd,
+ LPCWSTR lpText,
+ LPCWSTR lpCaption,
+ UINT uType,
+ WORD wLanguageId,
+ DWORD dwTime);
+
+
+static
+VOID
+UserpCaptureStringParameters(
+ OUT PULONG_PTR Parameters,
+ OUT PULONG SizeOfAllUnicodeStrings,
+ IN PHARDERROR_MSG Message,
+ IN HANDLE hProcess OPTIONAL)
+{
+ NTSTATUS Status;
+ ULONG nParam, Size = 0;
+ UNICODE_STRING TempStringU, ParamStringU;
+ ANSI_STRING TempStringA;
+
+ if (SizeOfAllUnicodeStrings)
+ *SizeOfAllUnicodeStrings = 0;
+
+ /* Read all strings from client space */
+ for (nParam = 0; nParam < Message->NumberOfParameters; ++nParam)
+ {
+ Parameters[nParam] = 0;
+
+ /* Check if the current parameter is a unicode string */
+ if (Message->UnicodeStringParameterMask & (1 << nParam))
+ {
+ /* Skip this string if we do not have a client process */
+ if (!hProcess)
+ continue;
+
+ /* Read the UNICODE_STRING from the process memory */
+ Status = NtReadVirtualMemory(hProcess,
+ (PVOID)Message->Parameters[nParam],
+ &ParamStringU,
+ sizeof(ParamStringU),
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ /* We failed, skip this string */
+ DPRINT1("NtReadVirtualMemory(Message->Parameters) failed, Status 0x%lx, skipping.\n", Status);
+ continue;
+ }
+
+ /* Allocate a buffer for the string and reserve a NULL terminator */
+ TempStringU.MaximumLength = ParamStringU.Length + sizeof(UNICODE_NULL);
+ TempStringU.Length = ParamStringU.Length;
+ TempStringU.Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
+ HEAP_ZERO_MEMORY,
+ TempStringU.MaximumLength);
+ if (!TempStringU.Buffer)
+ {
+ /* We failed, skip this string */
+ DPRINT1("Cannot allocate memory with size %u, skipping.\n", TempStringU.MaximumLength);
+ continue;
+ }
+
+ /* Read the string buffer from the process memory */
+ Status = NtReadVirtualMemory(hProcess,
+ ParamStringU.Buffer,
+ TempStringU.Buffer,
+ ParamStringU.Length,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ /* We failed, skip this string */
+ DPRINT1("NtReadVirtualMemory(ParamStringU) failed, Status 0x%lx, skipping.\n", Status);
+ RtlFreeHeap(RtlGetProcessHeap(), 0, TempStringU.Buffer);
+ continue;
+ }
+ /* NULL-terminate the string */
+ TempStringU.Buffer[TempStringU.Length / sizeof(WCHAR)] = UNICODE_NULL;
+
+ DPRINT("ParamString = \'%wZ\'\n", &TempStringU);
+
+ if (Message->Status == STATUS_SERVICE_NOTIFICATION)
+ {
+ /* Just keep the allocated NULL-terminated UNICODE string */
+ Parameters[nParam] = (ULONG_PTR)TempStringU.Buffer;
+ Size += TempStringU.Length;
+ }
+ else
+ {
+ /* Allocate a buffer for conversion to ANSI string */
+ TempStringA.MaximumLength = (USHORT)RtlUnicodeStringToAnsiSize(&TempStringU);
+ TempStringA.Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
+ HEAP_ZERO_MEMORY,
+ TempStringA.MaximumLength);
+ if (!TempStringA.Buffer)
+ {
+ /* We failed, skip this string */
+ DPRINT1("Cannot allocate memory with size %u, skipping.\n", TempStringA.MaximumLength);
+ RtlFreeHeap(RtlGetProcessHeap(), 0, TempStringU.Buffer);
+ continue;
+ }
+
+ /* Convert string to ANSI and free temporary buffer */
+ Status = RtlUnicodeStringToAnsiString(&TempStringA, &TempStringU, FALSE);
+ RtlFreeHeap(RtlGetProcessHeap(), 0, TempStringU.Buffer);
+ if (!NT_SUCCESS(Status))
+ {
+ /* We failed, skip this string */
+ DPRINT1("RtlUnicodeStringToAnsiString() failed, Status 0x%lx, skipping.\n", Status);
+ RtlFreeHeap(RtlGetProcessHeap(), 0, TempStringA.Buffer);
+ continue;
+ }
+
+ /* Note: RtlUnicodeStringToAnsiString() returns a NULL-terminated string */
+ Parameters[nParam] = (ULONG_PTR)TempStringA.Buffer;
+ Size += TempStringU.Length;
+ }
+ }
+ else
+ {
+ /* It's not a unicode string, just copy the parameter */
+ Parameters[nParam] = Message->Parameters[nParam];
+ }
+ }
+
+ if (SizeOfAllUnicodeStrings)
+ *SizeOfAllUnicodeStrings = Size;
+}
+
+static
+VOID
+UserpFreeStringParameters(
+ IN OUT PULONG_PTR Parameters,
+ IN PHARDERROR_MSG Message)
+{
+ ULONG nParam;
+
+ /* Loop all parameters */
+ for (nParam = 0; nParam < Message->NumberOfParameters; ++nParam)
+ {
+ /* Check if the current parameter is a string */
+ if ((Message->UnicodeStringParameterMask & (1 << nParam)) && (Parameters[nParam] != 0))
+ {
+ /* Free the string buffer */
+ RtlFreeHeap(RtlGetProcessHeap(), 0, (PVOID)Parameters[nParam]);
+ }
+ }
+}
+
static
NTSTATUS
UserpGetClientFileName(
OUT PUNICODE_STRING ClientFileNameU,
- HANDLE hProcess)
+ IN HANDLE hProcess)
{
PLIST_ENTRY ModuleListHead;
PLIST_ENTRY Entry;
PPEB Peb;
/* Initialize string */
- ClientFileNameU->MaximumLength = 0;
- ClientFileNameU->Length = 0;
- ClientFileNameU->Buffer = NULL;
+ RtlInitEmptyUnicodeString(ClientFileNameU, NULL, 0);
/* Query process information */
Status = NtQueryInformationProcess(hProcess,
NULL);
if (!NT_SUCCESS(Status)) return Status;
+ /* Locate the process loader data table and retrieve its name from it */
+
Peb = ClientBasicInfo.PebBaseAddress;
if (!Peb) return STATUS_UNSUCCESSFUL;
ClientFileNameU->MaximumLength = ModuleData.BaseDllName.MaximumLength;
ClientFileNameU->Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
- HEAP_ZERO_MEMORY,
- ClientFileNameU->MaximumLength);
+ HEAP_ZERO_MEMORY,
+ ClientFileNameU->MaximumLength);
+ if (!ClientFileNameU->Buffer)
+ {
+ RtlInitEmptyUnicodeString(ClientFileNameU, NULL, 0);
+ return STATUS_NO_MEMORY;
+ }
Status = NtReadVirtualMemory(hProcess,
ModuleData.BaseDllName.Buffer,
if (!NT_SUCCESS(Status))
{
RtlFreeHeap(RtlGetProcessHeap(), 0, ClientFileNameU->Buffer);
- ClientFileNameU->Buffer = NULL;
- ClientFileNameU->MaximumLength = 0;
+ RtlInitEmptyUnicodeString(ClientFileNameU, NULL, 0);
return Status;
}
- ClientFileNameU->Length = wcslen(ClientFileNameU->Buffer)*sizeof(wchar_t);
- DPRINT("ClientFileNameU=\'%wZ\'\n", &ClientFileNameU);
+ ClientFileNameU->Length = (USHORT)(wcslen(ClientFileNameU->Buffer) * sizeof(WCHAR));
+ DPRINT("ClientFileNameU = \'%wZ\'\n", &ClientFileNameU);
return STATUS_SUCCESS;
}
static
VOID
-UserpFreeStringParameters(
- IN OUT PULONG_PTR Parameters,
- IN PHARDERROR_MSG HardErrorMessage)
+UserpDuplicateParamStringToUnicodeString(
+ IN OUT PUNICODE_STRING UnicodeString,
+ IN PCWSTR ParamString)
{
- ULONG nParam;
+ UNICODE_STRING FormatU, TempStringU;
- /* Loop all parameters */
- for (nParam = 0; nParam < HardErrorMessage->NumberOfParameters; nParam++)
+ /* Calculate buffer length for the text message */
+ RtlInitUnicodeString(&FormatU, (PWSTR)ParamString);
+ if (UnicodeString->MaximumLength < FormatU.MaximumLength)
{
- /* Check if the current parameter is a string */
- if (HardErrorMessage->UnicodeStringParameterMask & (1 << nParam) && Parameters[nParam])
+ /* Duplicate the text message in a larger buffer */
+ if (NT_SUCCESS(RtlDuplicateUnicodeString(RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE,
+ &FormatU, &TempStringU)))
{
- /* Free the string buffer */
- RtlFreeHeap(RtlGetProcessHeap(), 0, (PVOID)Parameters[nParam]);
+ *UnicodeString = TempStringU;
+ }
+ else
+ {
+ /* We could not allocate a larger buffer; continue using the smaller original buffer */
+ DPRINT1("Cannot allocate memory for UnicodeString, use original buffer.\n");
+
+ /* Copy the truncated string, NULL-terminate it */
+ FormatU.MaximumLength = UnicodeString->MaximumLength;
+ FormatU.Length = FormatU.MaximumLength - sizeof(UNICODE_NULL);
+ RtlCopyUnicodeString(UnicodeString, &FormatU);
}
}
+ else
+ {
+ /* Copy the string, NULL-terminate it */
+ RtlCopyUnicodeString(UnicodeString, &FormatU);
+ }
}
static
-NTSTATUS
-UserpCaptureStringParameters(
- OUT PULONG_PTR Parameters,
- OUT PULONG SizeOfAllUnicodeStrings,
- IN PHARDERROR_MSG HardErrorMessage,
- HANDLE hProcess)
+VOID
+UserpFormatMessages(
+ IN OUT PUNICODE_STRING TextStringU,
+ IN OUT PUNICODE_STRING CaptionStringU,
+ OUT PUINT pdwType,
+ OUT PULONG pdwTimeout,
+ IN PHARDERROR_MSG Message)
{
- ULONG nParam, Size = 0;
- NTSTATUS Status = STATUS_SUCCESS;
- UNICODE_STRING TempStringU, ParamStringU;
- ANSI_STRING TempStringA;
+ /* Special hardcoded messages */
+ static const PCWSTR pszUnknownHardError =
+ L"Unknown Hard Error 0x%08lx\n"
+ L"Parameters: 0x%p 0x%p 0x%p 0x%p";
+ static const PCWSTR pszExceptionHardError =
+ L"Exception processing message 0x%08lx\n"
+ L"Parameters: 0x%p 0x%p 0x%p 0x%p";
- if (SizeOfAllUnicodeStrings)
- *SizeOfAllUnicodeStrings = 0;
+ NTSTATUS Status;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ HANDLE hProcess;
+ ULONG Severity = (ULONG)(Message->Status) >> 30;
+ ULONG SizeOfStrings;
+ ULONG_PTR Parameters[MAXIMUM_HARDERROR_PARAMETERS] = {0};
+ ULONG_PTR CopyParameters[MAXIMUM_HARDERROR_PARAMETERS];
+ UNICODE_STRING WindowTitleU, FileNameU, TempStringU, FormatU, Format2U;
+ ANSI_STRING FormatA, Format2A;
+ HWND hwndOwner;
+ PMESSAGE_RESOURCE_ENTRY MessageResource;
+ PWSTR FormatString, pszBuffer;
+ size_t cszBuffer;
- /* Read all strings from client space */
- for (nParam = 0; nParam < HardErrorMessage->NumberOfParameters; nParam++)
+ /* Open client process */
+ InitializeObjectAttributes(&ObjectAttributes, NULL, 0, NULL, NULL);
+ Status = NtOpenProcess(&hProcess,
+ PROCESS_VM_READ | PROCESS_QUERY_INFORMATION,
+ &ObjectAttributes,
+ &Message->h.ClientId);
+ if (!NT_SUCCESS(Status))
{
- Parameters[nParam] = 0;
-
- /* Check if the current parameter is a unicode string */
- if (HardErrorMessage->UnicodeStringParameterMask & (1 << nParam))
- {
- /* Read the UNICODE_STRING from the process memory */
- Status = NtReadVirtualMemory(hProcess,
- (PVOID)HardErrorMessage->Parameters[nParam],
- &ParamStringU,
- sizeof(ParamStringU),
- NULL);
-
- if (!NT_SUCCESS(Status))
- break;
-
- /* Allocate a buffer for the string */
- TempStringU.MaximumLength = ParamStringU.Length;
- TempStringU.Length = ParamStringU.Length;
- TempStringU.Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
- HEAP_ZERO_MEMORY,
- TempStringU.MaximumLength);
-
- if (!TempStringU.Buffer)
- {
- DPRINT1("Cannot allocate memory %u\n", TempStringU.MaximumLength);
- Status = STATUS_NO_MEMORY;
- }
-
- /* Read the string buffer from the process memory */
- Status = NtReadVirtualMemory(hProcess,
- ParamStringU.Buffer,
- TempStringU.Buffer,
- ParamStringU.Length,
- NULL);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("NtReadVirtualMemory failed with code: %lx\n", Status);
- RtlFreeHeap(RtlGetProcessHeap(), 0, TempStringU.Buffer);
- break;
- }
-
- DPRINT("ParamString=\'%wZ\'\n", &TempStringU);
+ DPRINT1("NtOpenProcess failed with status 0x%08lx, possibly SYSTEM process.\n", Status);
+ hProcess = NULL;
+ }
- /* Allocate a buffer for converted to ANSI string */
- TempStringA.MaximumLength = RtlUnicodeStringToAnsiSize(&TempStringU);
- TempStringA.Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
- HEAP_ZERO_MEMORY,
- TempStringA.MaximumLength);
+ /* Capture all string parameters from the process memory */
+ UserpCaptureStringParameters(Parameters, &SizeOfStrings, Message, hProcess);
- if (!TempStringA.Buffer)
- {
- DPRINT1("Cannot allocate memory %u\n", TempStringA.MaximumLength);
- RtlFreeHeap(RtlGetProcessHeap(), 0, TempStringU.Buffer);
- Status = STATUS_NO_MEMORY;
- break;
- }
+ /* Initialize the output strings */
+ TextStringU->Length = 0;
+ TextStringU->Buffer[0] = UNICODE_NULL;
- /* Convert string to ANSI and free temporary buffer */
- Status = RtlUnicodeStringToAnsiString(&TempStringA, &TempStringU, FALSE);
- RtlFreeHeap(RtlGetProcessHeap(), 0, TempStringU.Buffer);
- if (!NT_SUCCESS(Status))
- {
- RtlFreeHeap(RtlGetProcessHeap(), 0, TempStringA.Buffer);
- break;
- }
+ CaptionStringU->Length = 0;
+ CaptionStringU->Buffer[0] = UNICODE_NULL;
- /* Note: RtlUnicodeStringToAnsiString returns NULL terminated string */
- Parameters[nParam] = (ULONG_PTR)TempStringA.Buffer;
- Size += TempStringU.Length;
- }
+ /*
+ * Check whether it is a service notification, in which case
+ * we format the parameters and take the short route.
+ */
+ if (Message->Status == STATUS_SERVICE_NOTIFICATION)
+ {
+ /* Close the process handle */
+ if (hProcess) NtClose(hProcess);
+
+ /*
+ * Retrieve the message box flags. Note that we filter out
+ * MB_SERVICE_NOTIFICATION to not enter an infinite recursive
+ * loop when we will call MessageBox() later on.
+ */
+ *pdwType = (UINT)Parameters[2] & ~MB_SERVICE_NOTIFICATION;
+
+ /*
+ * Duplicate the UNICODE text message and caption.
+ * If no strings or invalid ones have been provided, keep
+ * the original buffers and reset the string lengths to zero.
+ */
+ if (Message->UnicodeStringParameterMask & 0x1)
+ UserpDuplicateParamStringToUnicodeString(TextStringU, (PCWSTR)Parameters[0]);
+ if (Message->UnicodeStringParameterMask & 0x2)
+ UserpDuplicateParamStringToUnicodeString(CaptionStringU, (PCWSTR)Parameters[1]);
+
+ /* Set the timeout */
+ if (Message->NumberOfParameters >= 4)
+ *pdwTimeout = (ULONG)Parameters[3];
else
- {
- /* It's not a unicode string */
- Parameters[nParam] = HardErrorMessage->Parameters[nParam];
- }
+ *pdwTimeout = INFINITE;
+
+ goto Quit;
}
- if (!NT_SUCCESS(Status))
+ /* Set the message box type */
+ *pdwType = 0;
+ switch (Message->ValidResponseOptions)
{
- UserpFreeStringParameters(Parameters, HardErrorMessage);
- return Status;
+ case OptionAbortRetryIgnore:
+ *pdwType = MB_ABORTRETRYIGNORE;
+ break;
+ case OptionOk:
+ *pdwType = MB_OK;
+ break;
+ case OptionOkCancel:
+ *pdwType = MB_OKCANCEL;
+ break;
+ case OptionRetryCancel:
+ *pdwType = MB_RETRYCANCEL;
+ break;
+ case OptionYesNo:
+ *pdwType = MB_YESNO;
+ break;
+ case OptionYesNoCancel:
+ *pdwType = MB_YESNOCANCEL;
+ break;
+ case OptionShutdownSystem:
+ *pdwType = MB_OK;
+ break;
+ case OptionOkNoWait:
+ *pdwType = MB_OK;
+ break;
+ case OptionCancelTryContinue:
+ *pdwType = MB_CANCELTRYCONTINUE;
+ break;
}
- if (SizeOfAllUnicodeStrings)
- *SizeOfAllUnicodeStrings = Size;
+ /* Set the severity icon */
+ // STATUS_SEVERITY_SUCCESS
+ if (Severity == STATUS_SEVERITY_INFORMATIONAL) *pdwType |= MB_ICONINFORMATION;
+ else if (Severity == STATUS_SEVERITY_WARNING) *pdwType |= MB_ICONWARNING;
+ else if (Severity == STATUS_SEVERITY_ERROR) *pdwType |= MB_ICONERROR;
- return Status;
-}
+ *pdwType |= MB_SYSTEMMODAL | MB_SETFOREGROUND;
-static
-NTSTATUS
-UserpFormatMessages(
- OUT PUNICODE_STRING TextStringU,
- OUT PUNICODE_STRING CaptionStringU,
- IN PULONG_PTR Parameters,
- IN ULONG SizeOfStrings,
- IN PHARDERROR_MSG Message,
- IN HANDLE hProcess)
-{
- NTSTATUS Status;
- UNICODE_STRING FileNameU, TempStringU, FormatU;
- ANSI_STRING FormatA;
- PMESSAGE_RESOURCE_ENTRY MessageResource;
- PWSTR FormatString;
- ULONG Size, ExceptionCode;
+ /* Set the timeout */
+ *pdwTimeout = INFINITE;
- /* Get the file name of the client process */
- UserpGetClientFileName(&FileNameU, hProcess);
+ /* Copy the Parameters array locally */
+ RtlCopyMemory(&CopyParameters, Parameters, sizeof(CopyParameters));
- /* Check if we have a file name */
- if (!FileNameU.Buffer)
+ /* Get the file name of the client process */
+ Status = STATUS_SUCCESS;
+ if (hProcess)
+ Status = UserpGetClientFileName(&FileNameU, hProcess);
+
+ /* Close the process handle but keep its original value to know where stuff came from */
+ if (hProcess) NtClose(hProcess);
+
+ /*
+ * Fall back to SYSTEM process if the client process handle
+ * was NULL or we failed retrieving a file name.
+ */
+ if (!hProcess || !NT_SUCCESS(Status) || !FileNameU.Buffer)
{
- /* No, use system */
- RtlInitUnicodeString(&FileNameU, L"System");
+ hProcess = NULL;
+ FileNameU = g_SystemProcessU;
}
- /* Get text string of the error code */
+ /* Retrieve the description of the error code */
+ FormatA.Buffer = NULL;
Status = RtlFindMessage(GetModuleHandleW(L"ntdll"),
(ULONG_PTR)RT_MESSAGETABLE,
LANG_NEUTRAL,
Message->Status,
&MessageResource);
-
if (NT_SUCCESS(Status))
{
if (MessageResource->Flags)
}
else
{
- RtlInitAnsiString(&FormatA, (PCHAR)MessageResource->Text);
- RtlAnsiStringToUnicodeString(&FormatU, &FormatA, TRUE);
+ RtlInitAnsiString(&FormatA, (PSTR)MessageResource->Text);
+ /* Status = */ RtlAnsiStringToUnicodeString(&FormatU, &FormatA, TRUE);
}
+ ASSERT(FormatU.Buffer);
}
else
{
- /* Fall back to hardcoded value */
- RtlInitUnicodeString(&FormatU, L"Unknown Hard Error");
+ /*
+ * Fall back to unknown hard error format string.
+ * NOTE: The value used here is ReactOS-specific: it allows specifying
+ * the exact hard error status value and the parameters, contrary to
+ * the one on Windows that only says: "Unknown Hard Error".
+ */
+ RtlInitEmptyUnicodeString(&FormatU, NULL, 0);
FormatA.Buffer = NULL;
}
FormatString = FormatU.Buffer;
- /* Check whether a caption exists */
- if (FormatString[0] == L'{')
+ /* Check whether a caption is specified in the format string */
+ if (FormatString && FormatString[0] == L'{')
{
/* Set caption start */
TempStringU.Buffer = ++FormatString;
- /* Get size of the caption */
- for (Size = 0; *FormatString != 0 && *FormatString != L'}'; Size++)
- FormatString++;
+ /* Get the caption size and find where the format string really starts */
+ for (TempStringU.Length = 0;
+ *FormatString != UNICODE_NULL && *FormatString != L'}';
+ ++TempStringU.Length)
+ {
+ ++FormatString;
+ }
/* Skip '}', '\r', '\n' */
FormatString += 3;
- TempStringU.Length = Size * sizeof(WCHAR);
+ TempStringU.Length *= sizeof(WCHAR);
TempStringU.MaximumLength = TempStringU.Length;
}
else
{
- /* FIXME: Set string based on severity */
- RtlInitUnicodeString(&TempStringU, L"Application Error");
+ if (Severity == STATUS_SEVERITY_SUCCESS)
+ TempStringU = g_SuccessU;
+ else if (Severity == STATUS_SEVERITY_INFORMATIONAL)
+ TempStringU = g_InformationU;
+ else if (Severity == STATUS_SEVERITY_WARNING)
+ TempStringU = g_WarningU;
+ else if (Severity == STATUS_SEVERITY_ERROR)
+ TempStringU = g_ErrorU;
+ else
+ ASSERT(FALSE); // Unexpected, since Severity is only <= 3.
+ }
+
+ /* Retrieve the window title of the client, if it has one */
+ RtlInitEmptyUnicodeString(&WindowTitleU, L"", 0);
+ hwndOwner = NULL;
+ EnumThreadWindows(HandleToUlong(Message->h.ClientId.UniqueThread),
+ FindTopLevelWnd, (LPARAM)&hwndOwner);
+ if (hwndOwner)
+ {
+ cszBuffer = GetWindowTextLengthW(hwndOwner);
+ if (cszBuffer != 0)
+ {
+ cszBuffer += 3; // 2 characters for ": " and a NULL terminator.
+ cszBuffer *= sizeof(WCHAR);
+ pszBuffer = RtlAllocateHeap(RtlGetProcessHeap(),
+ HEAP_ZERO_MEMORY,
+ cszBuffer);
+ if (pszBuffer)
+ {
+ RtlInitEmptyUnicodeString(&WindowTitleU, pszBuffer, (USHORT)cszBuffer);
+ cszBuffer = GetWindowTextW(hwndOwner,
+ WindowTitleU.Buffer,
+ WindowTitleU.MaximumLength / sizeof(WCHAR));
+ WindowTitleU.Length = (USHORT)(cszBuffer * sizeof(WCHAR));
+ RtlAppendUnicodeToString(&WindowTitleU, L": ");
+ }
+ }
}
/* Calculate buffer length for the caption */
- CaptionStringU->MaximumLength = FileNameU.Length + TempStringU.Length +
- 4 * sizeof(WCHAR);
+ cszBuffer = WindowTitleU.Length + FileNameU.Length + TempStringU.Length +
+ 3 * sizeof(WCHAR) + sizeof(UNICODE_NULL);
+ if (CaptionStringU->MaximumLength < cszBuffer)
+ {
+ /* Allocate a larger buffer for the caption */
+ pszBuffer = RtlAllocateHeap(RtlGetProcessHeap(),
+ HEAP_ZERO_MEMORY,
+ cszBuffer);
+ if (!pszBuffer)
+ {
+ /* We could not allocate a larger buffer; continue using the smaller original buffer */
+ DPRINT1("Cannot allocate memory for CaptionStringU, use original buffer.\n");
+ }
+ else
+ {
+ RtlInitEmptyUnicodeString(CaptionStringU, pszBuffer, (USHORT)cszBuffer);
+ }
+ }
+ CaptionStringU->Length = 0;
+ CaptionStringU->Buffer[0] = UNICODE_NULL;
- /* Allocate a buffer for the caption */
- CaptionStringU->Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
- HEAP_ZERO_MEMORY,
- CaptionStringU->MaximumLength);
+ /* Build the caption */
+ RtlStringCbPrintfW(CaptionStringU->Buffer,
+ CaptionStringU->MaximumLength,
+ L"%wZ%wZ - %wZ",
+ &WindowTitleU, &FileNameU, &TempStringU);
+ CaptionStringU->Length = (USHORT)(wcslen(CaptionStringU->Buffer) * sizeof(WCHAR));
- /* Append the file name, seperator and the caption text */
- CaptionStringU->Length = 0;
- RtlAppendUnicodeStringToString(CaptionStringU, &FileNameU);
- RtlAppendUnicodeToString(CaptionStringU, L" - ");
- RtlAppendUnicodeStringToString(CaptionStringU, &TempStringU);
+ /* Free the strings if needed */
+ if (WindowTitleU.Buffer && (WindowTitleU.MaximumLength != 0))
+ RtlFreeUnicodeString(&WindowTitleU);
+ if (hProcess)
+ RtlFreeUnicodeString(&FileNameU);
- /* Zero terminate the buffer */
- CaptionStringU->Buffer[CaptionStringU->Length / sizeof(WCHAR)] = 0;
+ Format2A.Buffer = NULL;
- /* Free the file name buffer */
- RtlFreeUnicodeString(&FileNameU);
+ /* If we have an unknown hard error, skip the special cases handling */
+ if (!FormatString)
+ goto BuildMessage;
/* Check if this is an exception message */
if (Message->Status == STATUS_UNHANDLED_EXCEPTION)
{
- ExceptionCode = Parameters[0];
+ ULONG ExceptionCode = CopyParameters[0];
+
+ /* Retrieve the description of the exception code */
+ Status = RtlFindMessage(GetModuleHandleW(L"ntdll"),
+ (ULONG_PTR)RT_MESSAGETABLE,
+ LANG_NEUTRAL,
+ ExceptionCode,
+ &MessageResource);
+ if (NT_SUCCESS(Status))
+ {
+ if (MessageResource->Flags)
+ {
+ RtlInitUnicodeString(&Format2U, (PWSTR)MessageResource->Text);
+ Format2A.Buffer = NULL;
+ }
+ else
+ {
+ RtlInitAnsiString(&Format2A, (PSTR)MessageResource->Text);
+ /* Status = */ RtlAnsiStringToUnicodeString(&Format2U, &Format2A, TRUE);
+ }
+ ASSERT(Format2U.Buffer);
+
+ /* Handle special cases */
+ if (ExceptionCode == STATUS_ACCESS_VIOLATION)
+ {
+ /* Use a new FormatString */
+ FormatString = Format2U.Buffer;
+ CopyParameters[0] = CopyParameters[1];
+ CopyParameters[1] = CopyParameters[3];
+ if (CopyParameters[2])
+ CopyParameters[2] = (ULONG_PTR)L"written";
+ else
+ CopyParameters[2] = (ULONG_PTR)L"read";
+ }
+ else if (ExceptionCode == STATUS_IN_PAGE_ERROR)
+ {
+ /* Use a new FormatString */
+ FormatString = Format2U.Buffer;
+ CopyParameters[0] = CopyParameters[1];
+ CopyParameters[1] = CopyParameters[3];
+ }
+ else
+ {
+ /* Keep the existing FormatString */
+ CopyParameters[2] = CopyParameters[1];
+ CopyParameters[1] = CopyParameters[0];
- /* Handle special cases */
- if (ExceptionCode == STATUS_ACCESS_VIOLATION)
+ pszBuffer = Format2U.Buffer;
+ if (!_wcsnicmp(pszBuffer, L"{EXCEPTION}", 11))
+ {
+ /*
+ * This is a named exception. Skip the mark and
+ * retrieve the exception name that follows it.
+ */
+ pszBuffer += 11;
+
+ /* Skip '\r', '\n' */
+ pszBuffer += 2;
+
+ CopyParameters[0] = (ULONG_PTR)pszBuffer;
+ }
+ else
+ {
+ /* Fall back to hardcoded value */
+ CopyParameters[0] = (ULONG_PTR)L"unknown software exception";
+ }
+ }
+ }
+ else
{
- Parameters[0] = Parameters[1];
- Parameters[1] = Parameters[3];
- if (Parameters[2]) Parameters[2] = (ULONG_PTR)L"written";
- else Parameters[2] = (ULONG_PTR)L"read";
- MessageResource = NULL;
+ /* Fall back to hardcoded value, and keep the existing FormatString */
+ CopyParameters[2] = CopyParameters[1];
+ CopyParameters[1] = CopyParameters[0];
+ CopyParameters[0] = (ULONG_PTR)L"unknown software exception";
}
- else if (ExceptionCode == STATUS_IN_PAGE_ERROR)
+ }
+
+BuildMessage:
+ /*
+ * Calculate buffer length for the text message. If FormatString
+ * is NULL this means we have an unknown hard error whose format
+ * string is in FormatU.
+ */
+ cszBuffer = 0;
+ /* Wrap in SEH to protect from invalid string parameters */
+ _SEH2_TRY
+ {
+ if (!FormatString)
{
- Parameters[0] = Parameters[1];
- Parameters[1] = Parameters[3];
- MessageResource = NULL;
+ /* Fall back to unknown hard error format string, and use the original parameters */
+ cszBuffer = _scwprintf(pszUnknownHardError,
+ Message->Status,
+ Parameters[0], Parameters[1],
+ Parameters[2], Parameters[3]);
+ cszBuffer *= sizeof(WCHAR);
}
else
{
- /* Fall back to hardcoded value */
- Parameters[2] = Parameters[1];
- Parameters[1] = Parameters[0];
- Parameters[0] = (ULONG_PTR)L"unknown software exception";
- }
+ cszBuffer = _scwprintf(FormatString,
+ CopyParameters[0], CopyParameters[1],
+ CopyParameters[2], CopyParameters[3]);
+ cszBuffer *= sizeof(WCHAR);
- if (!MessageResource)
- {
- /* Get text string of the exception code */
- Status = RtlFindMessage(GetModuleHandleW(L"ntdll"),
- (ULONG_PTR)RT_MESSAGETABLE,
- LANG_NEUTRAL,
- ExceptionCode,
- &MessageResource);
-
- if (NT_SUCCESS(Status))
+ /* Add a description for the dialog buttons */
+ if (Message->Status == STATUS_UNHANDLED_EXCEPTION)
{
- if (FormatA.Buffer) RtlFreeUnicodeString(&FormatU);
-
- if (MessageResource->Flags)
+ if (Message->ValidResponseOptions == OptionOk ||
+ Message->ValidResponseOptions == OptionOkCancel)
{
- RtlInitUnicodeString(&FormatU, (PWSTR)MessageResource->Text);
- FormatA.Buffer = NULL;
+ /* Reserve space for one newline and the OK-terminate-program string */
+ cszBuffer += sizeof(WCHAR) + g_OKTerminateU.Length;
}
- else
+ if (Message->ValidResponseOptions == OptionOkCancel)
{
- RtlInitAnsiString(&FormatA, (PCHAR)MessageResource->Text);
- RtlAnsiStringToUnicodeString(&FormatU, &FormatA, TRUE);
+ /* Reserve space for one newline and the CANCEL-debug-program string */
+ cszBuffer += sizeof(WCHAR) + g_CancelDebugU.Length;
}
- FormatString = FormatU.Buffer;
- }
- else
- {
- /* Fall back to hardcoded value */
- Parameters[2] = Parameters[1];
- Parameters[1] = Parameters[0];
- Parameters[0] = (ULONG_PTR)L"unknown software exception";
}
}
}
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ /* An exception occurred, use a default string with the original parameters */
+ cszBuffer = _scwprintf(pszExceptionHardError,
+ Message->Status,
+ Parameters[0], Parameters[1],
+ Parameters[2], Parameters[3]);
+ cszBuffer *= sizeof(WCHAR);
+ }
+ _SEH2_END;
- /* Calculate length of text buffer */
- TextStringU->MaximumLength = FormatU.Length + SizeOfStrings + 42 * sizeof(WCHAR);
+ cszBuffer += SizeOfStrings + sizeof(UNICODE_NULL);
- /* Allocate a buffer for the text */
- TextStringU->Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
- HEAP_ZERO_MEMORY,
- TextStringU->MaximumLength);
+ if (TextStringU->MaximumLength < cszBuffer)
+ {
+ /* Allocate a larger buffer for the text message */
+ pszBuffer = RtlAllocateHeap(RtlGetProcessHeap(),
+ HEAP_ZERO_MEMORY,
+ cszBuffer);
+ if (!pszBuffer)
+ {
+ /* We could not allocate a larger buffer; continue using the smaller original buffer */
+ DPRINT1("Cannot allocate memory for TextStringU, use original buffer.\n");
+ }
+ else
+ {
+ RtlInitEmptyUnicodeString(TextStringU, pszBuffer, (USHORT)cszBuffer);
+ }
+ }
+ TextStringU->Length = 0;
+ TextStringU->Buffer[0] = UNICODE_NULL;
/* Wrap in SEH to protect from invalid string parameters */
_SEH2_TRY
{
/* Print the string into the buffer */
- StringCbPrintfW(TextStringU->Buffer,
- TextStringU->MaximumLength,
- FormatString,
- Parameters[0],
- Parameters[1],
- Parameters[2],
- Parameters[3]);
- Status = STATUS_SUCCESS;
+ pszBuffer = TextStringU->Buffer;
+ cszBuffer = TextStringU->MaximumLength;
+
+ if (!FormatString)
+ {
+ /* Fall back to unknown hard error format string, and use the original parameters */
+ RtlStringCbPrintfW(pszBuffer, cszBuffer,
+ pszUnknownHardError,
+ Message->Status,
+ Parameters[0], Parameters[1],
+ Parameters[2], Parameters[3]);
+ }
+ else
+ {
+ RtlStringCbPrintfExW(pszBuffer, cszBuffer,
+ &pszBuffer, &cszBuffer,
+ 0,
+ FormatString,
+ CopyParameters[0], CopyParameters[1],
+ CopyParameters[2], CopyParameters[3]);
+
+ /* Add a description for the dialog buttons */
+ if (Message->Status == STATUS_UNHANDLED_EXCEPTION)
+ {
+ if (Message->ValidResponseOptions == OptionOk ||
+ Message->ValidResponseOptions == OptionOkCancel)
+ {
+ RtlStringCbPrintfExW(pszBuffer, cszBuffer,
+ &pszBuffer, &cszBuffer,
+ 0,
+ L"\n%wZ",
+ &g_OKTerminateU);
+ }
+ if (Message->ValidResponseOptions == OptionOkCancel)
+ {
+ RtlStringCbPrintfExW(pszBuffer, cszBuffer,
+ &pszBuffer, &cszBuffer,
+ 0,
+ L"\n%wZ",
+ &g_CancelDebugU);
+ }
+ }
+ }
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
- /* Set error and free buffers */
- Status = _SEH2_GetExceptionCode();
- RtlFreeHeap(RtlGetProcessHeap(), 0, TextStringU->Buffer);
- RtlFreeHeap(RtlGetProcessHeap(), 0, CaptionStringU->Buffer);
+ /* An exception occurred, use a default string with the original parameters */
+ DPRINT1("Exception 0x%08lx occurred while building hard-error message, fall back to default message.\n",
+ _SEH2_GetExceptionCode());
+
+ RtlStringCbPrintfW(TextStringU->Buffer,
+ TextStringU->MaximumLength,
+ pszExceptionHardError,
+ Message->Status,
+ Parameters[0], Parameters[1],
+ Parameters[2], Parameters[3]);
}
- _SEH2_END
+ _SEH2_END;
+
+ TextStringU->Length = (USHORT)(wcslen(TextStringU->Buffer) * sizeof(WCHAR));
+
+ /* Free the converted UNICODE strings */
+ if (Format2A.Buffer) RtlFreeUnicodeString(&Format2U);
+ if (FormatA.Buffer) RtlFreeUnicodeString(&FormatU);
+
+Quit:
+ /* Free the captured parameters */
+ UserpFreeStringParameters(Parameters, Message);
+}
+static ULONG
+GetRegInt(
+ IN PCWSTR KeyName,
+ IN PCWSTR ValueName,
+ IN ULONG DefaultValue)
+{
+ NTSTATUS Status;
+ ULONG Value = DefaultValue;
+ UNICODE_STRING String;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ HANDLE KeyHandle;
+ ULONG ResultLength;
+ UCHAR ValueBuffer[sizeof(KEY_VALUE_PARTIAL_INFORMATION) + sizeof(ULONG)];
+ PKEY_VALUE_PARTIAL_INFORMATION ValueInfo = (PKEY_VALUE_PARTIAL_INFORMATION)ValueBuffer;
+
+ RtlInitUnicodeString(&String, KeyName);
+ InitializeObjectAttributes(&ObjectAttributes,
+ &String,
+ OBJ_CASE_INSENSITIVE,
+ NULL,
+ NULL);
+
+ /* Open the registry key */
+ Status = NtOpenKey(&KeyHandle, KEY_READ, &ObjectAttributes);
if (NT_SUCCESS(Status))
{
- TextStringU->Length = wcslen(TextStringU->Buffer) * sizeof(WCHAR);
+ /* Query the value */
+ RtlInitUnicodeString(&String, ValueName);
+ Status = NtQueryValueKey(KeyHandle,
+ &String,
+ KeyValuePartialInformation,
+ ValueInfo,
+ sizeof(ValueBuffer),
+ &ResultLength);
+
+ /* Close the registry key */
+ NtClose(KeyHandle);
+
+ if (NT_SUCCESS(Status) && (ValueInfo->Type == REG_DWORD))
+ {
+ /* Directly retrieve the data */
+ Value = *(PULONG)ValueInfo->Data;
+ }
}
- if (FormatA.Buffer) RtlFreeUnicodeString(&FormatU);
+ return Value;
+}
+
+static BOOL
+UserpShowInformationBalloon(
+ IN PUNICODE_STRING TextStringU,
+ IN PUNICODE_STRING CaptionStringU,
+ IN UINT Type,
+ IN PHARDERROR_MSG Message)
+{
+ ULONG ShellErrorMode;
+ HWND hWndTaskman;
+ COPYDATASTRUCT CopyData;
+ PBALLOON_HARD_ERROR_DATA pdata;
+ DWORD dwSize, cbTextLen, cbTitleLen;
+ PWCHAR pText, pCaption;
+ DWORD ret;
+ DWORD_PTR dwResult;
+
+ /* Query the shell error mode value */
+ ShellErrorMode = GetRegInt(L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\Windows",
+ L"ShellErrorMode", 0);
+
+ /* Make the shell display the hard error message only if necessary */
+ if (ShellErrorMode != 1)
+ return FALSE;
+
+ /* Retrieve the shell task window */
+ hWndTaskman = GetTaskmanWindow();
+ if (!hWndTaskman)
+ {
+ DPRINT1("Failed to find shell task window (last error %lu)\n", GetLastError());
+ return FALSE;
+ }
+
+ cbTextLen = TextStringU->Length + sizeof(UNICODE_NULL);
+ cbTitleLen = CaptionStringU->Length + sizeof(UNICODE_NULL);
+
+ dwSize = sizeof(BALLOON_HARD_ERROR_DATA);
+ dwSize += cbTextLen + cbTitleLen;
+
+ /* Build the data buffer */
+ pdata = RtlAllocateHeap(RtlGetProcessHeap(), HEAP_ZERO_MEMORY, dwSize);
+ if (!pdata)
+ {
+ DPRINT1("Failed to allocate balloon data\n");
+ return FALSE;
+ }
+
+ pdata->cbHeaderSize = sizeof(BALLOON_HARD_ERROR_DATA);
+ pdata->Status = Message->Status;
+ pdata->dwType = Type;
+
+ pdata->TitleOffset = pdata->cbHeaderSize;
+ pdata->MessageOffset = pdata->TitleOffset + cbTitleLen;
+ pCaption = (PWCHAR)((ULONG_PTR)pdata + pdata->TitleOffset);
+ pText = (PWCHAR)((ULONG_PTR)pdata + pdata->MessageOffset);
+ RtlStringCbCopyNW(pCaption, cbTitleLen, CaptionStringU->Buffer, CaptionStringU->Length);
+ RtlStringCbCopyNW(pText, cbTextLen, TextStringU->Buffer, TextStringU->Length);
+
+ /* Send the message */
+
+ /* Retrieve a unique system-wide message to communicate hard error data with the shell */
+ CopyData.dwData = RegisterWindowMessageW(L"HardError");
+ CopyData.cbData = dwSize;
+ CopyData.lpData = pdata;
+
+ dwResult = FALSE;
+ ret = SendMessageTimeoutW(hWndTaskman, WM_COPYDATA, 0, (LPARAM)&CopyData,
+ SMTO_NORMAL | SMTO_ABORTIFHUNG, 3000, &dwResult);
- return Status;
+ /* Free the buffer */
+ RtlFreeHeap(RtlGetProcessHeap(), 0, pdata);
+
+ return (ret && dwResult) ? TRUE : FALSE;
}
static
-ULONG
+HARDERROR_RESPONSE
UserpMessageBox(
- PWSTR Text,
- PWSTR Caption,
- ULONG ValidResponseOptions,
- ULONG Severity)
+ IN PUNICODE_STRING TextStringU,
+ IN PUNICODE_STRING CaptionStringU,
+ IN UINT Type,
+ IN ULONG Timeout)
{
- ULONG Type, MessageBoxResponse;
+ ULONG MessageBoxResponse;
- /* Set the message box type */
- switch (ValidResponseOptions)
- {
- case OptionAbortRetryIgnore:
- Type = MB_ABORTRETRYIGNORE;
- break;
- case OptionOk:
- Type = MB_OK;
- break;
- case OptionOkCancel:
- Type = MB_OKCANCEL;
- break;
- case OptionRetryCancel:
- Type = MB_RETRYCANCEL;
- break;
- case OptionYesNo:
- Type = MB_YESNO;
- break;
- case OptionYesNoCancel:
- Type = MB_YESNOCANCEL;
- break;
- case OptionShutdownSystem:
- Type = MB_RETRYCANCEL; // FIXME???
- break;
- /* Anything else is invalid */
- default:
- return ResponseNotHandled;
- }
-
- /* Set severity */
- if (Severity == STATUS_SEVERITY_INFORMATIONAL) Type |= MB_ICONINFORMATION;
- else if (Severity == STATUS_SEVERITY_WARNING) Type |= MB_ICONWARNING;
- else if (Severity == STATUS_SEVERITY_ERROR) Type |= MB_ICONERROR;
-
- Type |= MB_SYSTEMMODAL | MB_SETFOREGROUND;
-
- DPRINT("Text = '%S', Caption = '%S', Severity = %d, Type = 0x%lx\n",
- Text, Caption, Severity, Type);
+ DPRINT("Text = '%S', Caption = '%S', Type = 0x%lx\n",
+ TextStringU->Buffer, CaptionStringU->Buffer, Type);
/* Display a message box */
- MessageBoxResponse = MessageBoxW(0, Text, Caption, Type);
+ MessageBoxResponse = MessageBoxTimeoutW(NULL,
+ TextStringU->Buffer,
+ CaptionStringU->Buffer,
+ Type, 0, Timeout);
/* Return response value */
switch (MessageBoxResponse)
case IDRETRY: return ResponseRetry;
case IDTRYAGAIN: return ResponseTryAgain;
case IDCONTINUE: return ResponseContinue;
+ default: return ResponseNotHandled;
}
return ResponseNotHandled;
}
+static
VOID
-WINAPI
+UserpLogHardError(
+ IN PUNICODE_STRING TextStringU,
+ IN PUNICODE_STRING CaptionStringU)
+{
+ NTSTATUS Status;
+ HANDLE hEventLog;
+ UNICODE_STRING UNCServerNameU = {0, 0, NULL};
+ UNICODE_STRING SourceNameU = RTL_CONSTANT_STRING(L"Application Popup");
+ PUNICODE_STRING Strings[] = {CaptionStringU, TextStringU};
+
+ Status = ElfRegisterEventSourceW(&UNCServerNameU, &SourceNameU, &hEventLog);
+ if (!NT_SUCCESS(Status) || !hEventLog)
+ {
+ DPRINT1("ElfRegisterEventSourceW failed with Status 0x%08lx\n", Status);
+ return;
+ }
+
+ Status = ElfReportEventW(hEventLog,
+ EVENTLOG_INFORMATION_TYPE,
+ 0,
+ STATUS_LOG_HARD_ERROR,
+ NULL, // lpUserSid
+ ARRAYSIZE(Strings),
+ 0, // dwDataSize
+ Strings,
+ NULL, // lpRawData
+ 0,
+ NULL,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ DPRINT1("ElfReportEventW failed with Status 0x%08lx\n", Status);
+
+ ElfDeregisterEventSource(hEventLog);
+}
+
+VOID
+NTAPI
UserServerHardError(
IN PCSR_THREAD ThreadData,
IN PHARDERROR_MSG Message)
{
-#if DBG
- PCSR_PROCESS ProcessData = ThreadData->Process;
-#endif
- ULONG_PTR Parameters[MAXIMUM_HARDERROR_PARAMETERS];
- OBJECT_ATTRIBUTES ObjectAttributes;
+ ULONG ErrorMode;
+ UINT dwType = 0;
+ ULONG Timeout = INFINITE;
UNICODE_STRING TextU, CaptionU;
- NTSTATUS Status;
- HANDLE hProcess;
- ULONG Size;
+ WCHAR LocalTextBuffer[256];
+ WCHAR LocalCaptionBuffer[256];
+
+ ASSERT(ThreadData->Process != NULL);
/* Default to not handled */
- ASSERT(ProcessData != NULL);
Message->Response = ResponseNotHandled;
/* Make sure we don't have too many parameters */
if (Message->NumberOfParameters > MAXIMUM_HARDERROR_PARAMETERS)
+ {
+ // NOTE: Windows just fails (STATUS_INVALID_PARAMETER) & returns ResponseNotHandled.
+ DPRINT1("Invalid NumberOfParameters = %d\n", Message->NumberOfParameters);
Message->NumberOfParameters = MAXIMUM_HARDERROR_PARAMETERS;
+ }
+ if (Message->ValidResponseOptions > OptionCancelTryContinue)
+ {
+ DPRINT1("Unknown ValidResponseOptions = %d\n", Message->ValidResponseOptions);
+ return; // STATUS_INVALID_PARAMETER;
+ }
+ if (Message->Status == STATUS_SERVICE_NOTIFICATION)
+ {
+ if (Message->NumberOfParameters < 3)
+ {
+ DPRINT1("Invalid NumberOfParameters = %d for STATUS_SERVICE_NOTIFICATION\n",
+ Message->NumberOfParameters);
+ return; // STATUS_INVALID_PARAMETER;
+ }
+ // (Message->UnicodeStringParameterMask & 0x3)
+ }
- /* Initialize object attributes */
- InitializeObjectAttributes(&ObjectAttributes, NULL, 0, NULL, NULL);
+ /* Re-initialize the hard errors cache */
+ UserInitHardErrorsCache();
- /* Open client process */
- Status = NtOpenProcess(&hProcess,
- PROCESS_VM_READ | PROCESS_QUERY_INFORMATION,
- &ObjectAttributes,
- &Message->h.ClientId);
+ /* Format the message caption and text */
+ RtlInitEmptyUnicodeString(&TextU, LocalTextBuffer, sizeof(LocalTextBuffer));
+ RtlInitEmptyUnicodeString(&CaptionU, LocalCaptionBuffer, sizeof(LocalCaptionBuffer));
+ UserpFormatMessages(&TextU, &CaptionU, &dwType, &Timeout, Message);
- if (!NT_SUCCESS(Status))
+ /* Log the hard error message */
+ UserpLogHardError(&TextU, &CaptionU);
+
+ /* Display a hard error popup depending on the current ErrorMode */
+
+ /* Query the error mode value */
+ ErrorMode = GetRegInt(L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\Windows",
+ L"ErrorMode", 0);
+
+ if (Message->Status != STATUS_SERVICE_NOTIFICATION && ErrorMode != 0)
{
- DPRINT1("NtOpenProcess failed with code: %lx\n", Status);
- return;
+ /* Returns OK for the hard error */
+ Message->Response = ResponseOk;
+ goto Quit;
}
- /* Capture all string parameters from the process memory */
- Status = UserpCaptureStringParameters(Parameters, &Size, Message, hProcess);
- if (!NT_SUCCESS(Status))
+ if (Message->ValidResponseOptions == OptionOkNoWait)
{
- NtClose(hProcess);
- return;
+ /* Display the balloon */
+ Message->Response = ResponseOk;
+ if (UserpShowInformationBalloon(&TextU,
+ &CaptionU,
+ dwType,
+ Message))
+ {
+ Message->Response = ResponseOk;
+ goto Quit;
+ }
}
- /* Format the caption and message box text */
- Status = UserpFormatMessages(&TextU,
- &CaptionU,
- Parameters,
- Size,
- Message,
- hProcess);
+ /* Display the message box */
+ Message->Response = UserpMessageBox(&TextU,
+ &CaptionU,
+ dwType,
+ Timeout);
+
+Quit:
+ /* Free the strings if they have been reallocated */
+ if (TextU.Buffer != LocalTextBuffer)
+ RtlFreeUnicodeString(&TextU);
+ if (CaptionU.Buffer != LocalCaptionBuffer)
+ RtlFreeUnicodeString(&CaptionU);
- /* Cleanup */
- UserpFreeStringParameters(Parameters, Message);
- NtClose(hProcess);
+ return;
+}
- if (!NT_SUCCESS(Status))
+VOID
+UserInitHardErrorsCache(VOID)
+{
+ NTSTATUS Status;
+ LCID CurrentUserLCID = 0;
+
+ Status = NtQueryDefaultLocale(TRUE, &CurrentUserLCID);
+ if (!NT_SUCCESS(Status) || CurrentUserLCID == 0)
{
+ /* Fall back to english locale */
+ DPRINT1("NtQueryDefaultLocale failed with Status = 0x%08lx\n", Status);
+ // LOCALE_SYSTEM_DEFAULT;
+ CurrentUserLCID = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);
+ }
+ if (g_CurrentUserLangId == LANGIDFROMLCID(CurrentUserLCID))
+ {
+ /* The current lang ID and the hard error strings have already been cached */
return;
}
- /* Display the message box */
- Message->Response = UserpMessageBox(TextU.Buffer,
- CaptionU.Buffer,
- Message->ValidResponseOptions,
- (ULONG)Message->Status >> 30);
-
- RtlFreeUnicodeString(&TextU);
- RtlFreeUnicodeString(&CaptionU);
-
- return;
+ /* Load the strings using the current system locale */
+ RtlLoadUnicodeString(UserServerDllInstance, IDS_SEVERITY_SUCCESS,
+ &g_SuccessU, L"Success");
+ RtlLoadUnicodeString(UserServerDllInstance, IDS_SEVERITY_INFORMATIONAL,
+ &g_InformationU, L"System Information");
+ RtlLoadUnicodeString(UserServerDllInstance, IDS_SEVERITY_WARNING,
+ &g_WarningU, L"System Warning");
+ RtlLoadUnicodeString(UserServerDllInstance, IDS_SEVERITY_ERROR,
+ &g_ErrorU, L"System Error");
+ // "unknown software exception"
+ RtlLoadUnicodeString(UserServerDllInstance, IDS_SYSTEM_PROCESS,
+ &g_SystemProcessU, L"System Process");
+ RtlLoadUnicodeString(UserServerDllInstance, IDS_OK_TERMINATE_PROGRAM,
+ &g_OKTerminateU, L"Click on OK to terminate the program.");
+ RtlLoadUnicodeString(UserServerDllInstance, IDS_CANCEL_DEBUG_PROGRAM,
+ &g_CancelDebugU, L"Click on CANCEL to debug the program.");
+
+ /* Remember that we cached the hard error strings */
+ g_CurrentUserLangId = LANGIDFROMLCID(CurrentUserLCID);
}
/* EOF */