+++ /dev/null
-/*
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS system libraries
- * FILE: subsys/csrss/win32csr/dllmain.c
- * PURPOSE: Initialization
- * PROGRAMMERS: Dmitry Philippov (shedon@mail.ru)
- * Timo Kreuzer (timo.kreuzer@reactos.org)
- */
-
-/* INCLUDES ******************************************************************/
-
-#define NDEBUG
-#include "w32csr.h"
-#include <debug.h>
-#include <strsafe.h>
-
-#define IDTRYAGAIN 10
-#define IDCONTINUE 11
-
-/* FUNCTIONS *****************************************************************/
-
-static
-NTSTATUS
-CsrpGetClientFileName(
- OUT PUNICODE_STRING ClientFileNameU,
- HANDLE hProcess)
-{
- PLIST_ENTRY ModuleListHead;
- PLIST_ENTRY Entry;
- PLDR_DATA_TABLE_ENTRY Module;
- PPEB_LDR_DATA Ldr;
- PROCESS_BASIC_INFORMATION ClientBasicInfo;
- LDR_DATA_TABLE_ENTRY ModuleData;
- PVOID ClientDllBase;
- NTSTATUS Status;
- PPEB Peb;
-
- /* Initialize string */
- ClientFileNameU->MaximumLength = 0;
- ClientFileNameU->Length = 0;
- ClientFileNameU->Buffer = NULL;
-
- /* Query process information */
- Status = NtQueryInformationProcess(hProcess,
- ProcessBasicInformation,
- &ClientBasicInfo,
- sizeof(ClientBasicInfo),
- NULL);
- if (!NT_SUCCESS(Status)) return Status;
-
- Peb = ClientBasicInfo.PebBaseAddress;
- if (!Peb) return STATUS_UNSUCCESSFUL;
-
- Status = NtReadVirtualMemory(hProcess, &Peb->Ldr, &Ldr, sizeof(Ldr), NULL);
- if (!NT_SUCCESS(Status)) return Status;
-
- ModuleListHead = &Ldr->InLoadOrderModuleList;
- Status = NtReadVirtualMemory(hProcess,
- &ModuleListHead->Flink,
- &Entry,
- sizeof(Entry),
- NULL);
- if (!NT_SUCCESS(Status)) return Status;
-
- if (Entry == ModuleListHead) return STATUS_UNSUCCESSFUL;
-
- Module = CONTAINING_RECORD(Entry, LDR_DATA_TABLE_ENTRY, InLoadOrderLinks);
-
- Status = NtReadVirtualMemory(hProcess,
- Module,
- &ModuleData,
- sizeof(ModuleData),
- NULL);
- if (!NT_SUCCESS(Status)) return Status;
-
- Status = NtReadVirtualMemory(hProcess,
- &Peb->ImageBaseAddress,
- &ClientDllBase,
- sizeof(ClientDllBase),
- NULL);
- if (!NT_SUCCESS(Status)) return Status;
-
- if (ClientDllBase != ModuleData.DllBase) return STATUS_UNSUCCESSFUL;
-
- ClientFileNameU->MaximumLength = ModuleData.BaseDllName.MaximumLength;
- ClientFileNameU->Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
- HEAP_ZERO_MEMORY,
- ClientFileNameU->MaximumLength);
-
- Status = NtReadVirtualMemory(hProcess,
- ModuleData.BaseDllName.Buffer,
- ClientFileNameU->Buffer,
- ClientFileNameU->MaximumLength,
- NULL);
- if (!NT_SUCCESS(Status))
- {
- RtlFreeHeap(RtlGetProcessHeap(), 0, ClientFileNameU->Buffer);
- ClientFileNameU->Buffer = NULL;
- ClientFileNameU->MaximumLength = 0;
- return Status;
- }
-
- ClientFileNameU->Length = wcslen(ClientFileNameU->Buffer)*sizeof(wchar_t);
- DPRINT("ClientFileNameU=\'%wZ\'\n", &ClientFileNameU);
-
- return STATUS_SUCCESS;
-}
-
-static
-VOID
-CsrpFreeStringParameters(
- IN OUT PULONG_PTR Parameters,
- IN PHARDERROR_MSG HardErrorMessage)
-{
- ULONG nParam;
-
- /* Loop all parameters */
- for (nParam = 0; nParam < HardErrorMessage->NumberOfParameters; nParam++)
- {
- /* Check if the current parameter is a string */
- if (HardErrorMessage->UnicodeStringParameterMask & (1 << nParam) && Parameters[nParam])
- {
- /* Free the string buffer */
- RtlFreeHeap(RtlGetProcessHeap(), 0, (PVOID)Parameters[nParam]);
- }
- }
-}
-
-static
-NTSTATUS
-CsrpCaptureStringParameters(
- OUT PULONG_PTR Parameters,
- OUT PULONG SizeOfAllUnicodeStrings,
- IN PHARDERROR_MSG HardErrorMessage,
- HANDLE hProcess)
-{
- ULONG nParam, Size = 0;
- NTSTATUS Status = STATUS_SUCCESS;
- UNICODE_STRING TempStringU, ParamStringU;
- ANSI_STRING TempStringA;
-
- /* Read all strings from client space */
- for (nParam = 0; nParam < HardErrorMessage->NumberOfParameters; nParam++)
- {
- 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);
-
- /* Allocate a buffer for converted to ANSI string */
- TempStringA.MaximumLength = RtlUnicodeStringToAnsiSize(&TempStringU);
- TempStringA.Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
- HEAP_ZERO_MEMORY,
- TempStringA.MaximumLength);
-
- if (!TempStringA.Buffer)
- {
- DPRINT1("Cannot allocate memory %u\n", TempStringA.MaximumLength);
- RtlFreeHeap(RtlGetProcessHeap(), 0, TempStringU.Buffer);
- Status = STATUS_NO_MEMORY;
- break;
- }
-
- /* 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;
- }
-
- /* Note: RtlUnicodeStringToAnsiString returns NULL terminated string */
- Parameters[nParam] = (ULONG_PTR)TempStringA.Buffer;
- Size += TempStringU.Length;
- }
- else
- {
- /* It's not a unicode string */
- Parameters[nParam] = HardErrorMessage->Parameters[nParam];
- }
- }
-
- if (!NT_SUCCESS(Status))
- {
- CsrpFreeStringParameters(Parameters, HardErrorMessage);
- return Status;
- }
-
- *SizeOfAllUnicodeStrings = Size;
- return Status;
-}
-
-static
-NTSTATUS
-CsrpFormatMessages(
- 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;
-
- /* Get the file name of the client process */
- CsrpGetClientFileName(&FileNameU, hProcess);
-
- /* Check if we have a file name */
- if (!FileNameU.Buffer)
- {
- /* No, use system */
- RtlInitUnicodeString(&FileNameU, L"System");
- }
-
- /* Get text string of the error code */
- Status = RtlFindMessage(GetModuleHandleW(L"ntdll"),
- (ULONG_PTR)RT_MESSAGETABLE,
- LANG_NEUTRAL,
- Message->Status,
- &MessageResource);
-
- if (NT_SUCCESS(Status))
- {
- if (MessageResource->Flags)
- {
- RtlInitUnicodeString(&FormatU, (PWSTR)MessageResource->Text);
- FormatA.Buffer = NULL;
- }
- else
- {
- RtlInitAnsiString(&FormatA, (PCHAR)MessageResource->Text);
- RtlAnsiStringToUnicodeString(&FormatU, &FormatA, TRUE);
- }
- }
- else
- {
- /* Fall back to hardcoded value */
- RtlInitUnicodeString(&FormatU, L"Unknown Hard Error");
- FormatA.Buffer = NULL;
- }
-
- FormatString = FormatU.Buffer;
-
- /* Check whether a caption exists */
- if (FormatString[0] == L'{')
- {
- /* Set caption start */
- TempStringU.Buffer = ++FormatString;
-
- /* Get size of the caption */
- for (Size = 0; *FormatString != 0 && *FormatString != L'}'; Size++)
- FormatString++;
-
- /* Skip '}', '\r', '\n' */
- FormatString += 3;
-
- TempStringU.Length = Size * sizeof(WCHAR);
- TempStringU.MaximumLength = TempStringU.Length;
- }
- else
- {
- /* FIXME: Set string based on severity */
- RtlInitUnicodeString(&TempStringU, L"Application Error");
- }
-
- /* Calculate buffer length for the caption */
- CaptionStringU->MaximumLength = FileNameU.Length + TempStringU.Length +
- 4 * sizeof(WCHAR);
-
- /* Allocate a buffer for the caption */
- CaptionStringU->Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
- HEAP_ZERO_MEMORY,
- CaptionStringU->MaximumLength);
-
- /* Append the file name, seperator and the caption text */
- CaptionStringU->Length = 0;
- RtlAppendUnicodeStringToString(CaptionStringU, &FileNameU);
- RtlAppendUnicodeToString(CaptionStringU, L" - ");
- RtlAppendUnicodeStringToString(CaptionStringU, &TempStringU);
-
- /* Zero terminate the buffer */
- CaptionStringU->Buffer[CaptionStringU->Length / sizeof(WCHAR)] = 0;
-
- /* Free the file name buffer */
- RtlFreeUnicodeString(&FileNameU);
-
- /* Check if this is an exception message */
- if (Message->Status == STATUS_UNHANDLED_EXCEPTION)
- {
- ExceptionCode = Parameters[0];
-
- /* Handle special cases */
- if (ExceptionCode == STATUS_ACCESS_VIOLATION)
- {
- 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;
- }
- else if (ExceptionCode == STATUS_IN_PAGE_ERROR)
- {
- Parameters[0] = Parameters[1];
- Parameters[1] = Parameters[3];
- MessageResource = NULL;
- }
- else
- {
- /* Fall back to hardcoded value */
- Parameters[2] = Parameters[1];
- Parameters[1] = Parameters[0];
- Parameters[0] = (ULONG_PTR)L"unknown software exception";
- }
-
- 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))
- {
- if (FormatA.Buffer) RtlFreeUnicodeString(&FormatU);
-
- if (MessageResource->Flags)
- {
- RtlInitUnicodeString(&FormatU, (PWSTR)MessageResource->Text);
- FormatA.Buffer = NULL;
- }
- else
- {
- RtlInitAnsiString(&FormatA, (PCHAR)MessageResource->Text);
- RtlAnsiStringToUnicodeString(&FormatU, &FormatA, TRUE);
- }
- 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";
- }
- }
- }
-
- /* Calculate length of text buffer */
- TextStringU->MaximumLength = FormatU.Length + SizeOfStrings + 42 * sizeof(WCHAR);
-
- /* Allocate a buffer for the text */
- TextStringU->Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
- HEAP_ZERO_MEMORY,
- TextStringU->MaximumLength);
-
- /* 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;
- }
- _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
- {
- /* Set error and free buffers */
- Status = _SEH2_GetExceptionCode();
- RtlFreeHeap(RtlGetProcessHeap(), 0, TextStringU->Buffer);
- RtlFreeHeap(RtlGetProcessHeap(), 0, CaptionStringU->Buffer);
- }
- _SEH2_END
-
- if (NT_SUCCESS(Status))
- {
- TextStringU->Length = wcslen(TextStringU->Buffer) * sizeof(WCHAR);
- }
-
- if (FormatA.Buffer) RtlFreeUnicodeString(&FormatU);
-
- return Status;
-}
-
-static
-ULONG
-CsrpMessageBox(
- PWSTR Text,
- PWSTR Caption,
- ULONG ValidResponseOptions,
- ULONG Severity)
-{
- ULONG Type, 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);
-
- /* Display a message box */
- MessageBoxResponse = MessageBoxW(0, Text, Caption, Type);
-
- /* Return response value */
- switch (MessageBoxResponse)
- {
- case IDOK: return ResponseOk;
- case IDCANCEL: return ResponseCancel;
- case IDYES: return ResponseYes;
- case IDNO: return ResponseNo;
- case IDABORT: return ResponseAbort;
- case IDIGNORE: return ResponseIgnore;
- case IDRETRY: return ResponseRetry;
- case IDTRYAGAIN: return ResponseTryAgain;
- case IDCONTINUE: return ResponseContinue;
- }
-
- return ResponseNotHandled;
-}
-
-VOID
-WINAPI
-Win32CsrHardError(
- 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;
- UNICODE_STRING TextU, CaptionU;
- NTSTATUS Status;
- HANDLE hProcess;
- ULONG Size;
-
- /* 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)
- Message->NumberOfParameters = MAXIMUM_HARDERROR_PARAMETERS;
-
- /* Initialize object attributes */
- InitializeObjectAttributes(&ObjectAttributes, NULL, 0, NULL, NULL);
-
- /* Open client process */
- Status = NtOpenProcess(&hProcess,
- PROCESS_VM_READ | PROCESS_QUERY_INFORMATION,
- &ObjectAttributes,
- &Message->h.ClientId);
-
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("NtOpenProcess failed with code: %lx\n", Status);
- return;
- }
-
- /* Capture all string parameters from the process memory */
- Status = CsrpCaptureStringParameters(Parameters, &Size, Message, hProcess);
- if (!NT_SUCCESS(Status))
- {
- NtClose(hProcess);
- return;
- }
-
- /* Format the caption and message box text */
- Status = CsrpFormatMessages(&TextU,
- &CaptionU,
- Parameters,
- Size,
- Message,
- hProcess);
-
- /* Cleanup */
- CsrpFreeStringParameters(Parameters, Message);
- NtClose(hProcess);
-
- if (!NT_SUCCESS(Status))
- {
- return;
- }
-
- /* Display the message box */
- Message->Response = CsrpMessageBox(TextU.Buffer,
- CaptionU.Buffer,
- Message->ValidResponseOptions,
- (ULONG)Message->Status >> 30);
-
- RtlFreeUnicodeString(&TextU);
- RtlFreeUnicodeString(&CaptionU);
-
- return;
-}
-
projects / reactos.git / blobdiff