--- trunk/reactos/lib/kernel32/misc/dllmain.c 2005-09-26 16:13:50 UTC (rev 18096)
+++ trunk/reactos/lib/kernel32/misc/dllmain.c 2005-09-26 18:03:17 UTC (rev 18097)
@@ -13,11 +13,9 @@
#include <k32.h>
-#define NDEBUG
+//#define NDEBUG
#include "../include/debug.h"
-#define CSR_BASE_DLL 0 // <- This should be 1 when CSR gets committed
-
/* GLOBALS *******************************************************************/
extern UNICODE_STRING SystemDirectory;
@@ -26,6 +24,8 @@
HANDLE hProcessHeap = NULL;
HMODULE hCurrentModule = NULL;
HANDLE hBaseDir = NULL;
+PPEB Peb;
+ULONG SessionId;
static BOOL DllInitialized = FALSE;
static BOOL ConsoleInitialized = FALSE;
@@ -44,6 +44,7 @@
extern BOOL FASTCALL NlsInit();
extern VOID FASTCALL NlsUninit();
+BOOLEAN InWindows = FALSE;
HANDLE
STDCALL
@@ -52,41 +53,77 @@
BOOL bInheritHandle,
DWORD dwOptions);
+#define WIN_OBJ_DIR L"\\Windows"
+#define SESSION_DIR L"\\Sessions"
+
/* FUNCTIONS *****************************************************************/
-static NTSTATUS
+NTSTATUS
+WINAPI
OpenBaseDirectory(PHANDLE DirHandle)
{
- OBJECT_ATTRIBUTES ObjectAttributes;
- UNICODE_STRING Name = RTL_CONSTANT_STRING(L"\\BaseNamedObjects");
- NTSTATUS Status;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ UNICODE_STRING Name = RTL_CONSTANT_STRING(L"\\BaseNamedObjects");
+ NTSTATUS Status;
- InitializeObjectAttributes(&ObjectAttributes,
- &Name,
- OBJ_CASE_INSENSITIVE|OBJ_PERMANENT,
- NULL,
- NULL);
+ InitializeObjectAttributes(&ObjectAttributes,
+ &Name,
+ OBJ_CASE_INSENSITIVE,
+ NULL,
+ NULL);
- Status = NtOpenDirectoryObject(DirHandle,
- DIRECTORY_ALL_ACCESS,
- &ObjectAttributes);
- if (!NT_SUCCESS(Status))
+ Status = NtOpenDirectoryObject(DirHandle,
+ DIRECTORY_ALL_ACCESS &
+ ~(DELETE | WRITE_DAC | WRITE_OWNER),
+ &ObjectAttributes);
+ if (!NT_SUCCESS(Status))
{
- Status = NtCreateDirectoryObject(DirHandle,
- DIRECTORY_ALL_ACCESS,
- &ObjectAttributes);
- if (!NT_SUCCESS(Status))
- {
- DbgPrint("NtCreateDirectoryObject() failed\n");
- }
-
- return Status;
+ /* FIXME: It's not our job to create the BNO directory, csr does it */
+ Status = NtCreateDirectoryObject(DirHandle,
+ DIRECTORY_ALL_ACCESS,
+ &ObjectAttributes);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("NtCreateDirectoryObject() failed\n");
+ }
}
- return STATUS_SUCCESS;
+ DPRINT("Opened BNO: %lx\n", *DirHandle);
+ return Status;
}
+/*
+ * @unimplemented
+ */
BOOL
+WINAPI
+BaseQueryModuleData(IN LPSTR ModuleName,
+ IN LPSTR Unknown,
+ IN PVOID Unknown2,
+ IN PVOID Unknown3,
+ IN PVOID Unknown4)
+{
+ DPRINT1("BaseQueryModuleData called: %s %s %x %x %x\n",
+ ModuleName,
+ Unknown,
+ Unknown2,
+ Unknown3,
+ Unknown4);
+ return FALSE;
+}
+
+/*
+ * @unimplemented
+ */
+NTSTATUS
+WINAPI
+BaseProcessInitPostImport(VOID)
+{
+ /* FIXME: Initialize TS pointers */
+ return STATUS_SUCCESS;
+}
+
+BOOL
STDCALL
BasepInitConsole(VOID)
{
@@ -210,20 +247,75 @@
BOOLEAN IsServer;
ULONG Dummy;
ULONG DummySize = sizeof(Dummy);
+ WCHAR SessionDir[256];
DPRINT("DllMain(hInst %lx, dwReason %lu)\n",
hDll, dwReason);
+ /* Cache the PEB and Session ID */
+ Peb = NtCurrentPeb();
+ SessionId = Peb->SessionId;
+
switch (dwReason)
{
case DLL_PROCESS_ATTACH:
+ /* OK, yes, this is really retarded but it works for now */
+ InWindows = NtCurrentPeb()->BeingDebugged;
+
+ /*
+ * CreateProcess will run in the real kernel32 and it will write
+ * its own BaseProcessStartThunk EIP in the CONTEXT that ZwContinue
+ * will get. We'll be first called by Ldr while initializing, and we'll
+ * be wrapped in 3 layers of SEH, followed by two frames, finally
+ * followed by our CONTEXT on the stack. We'll modify the EIP in it
+ * to match the correct one (our own) and then everything works.
+ * Tested on XP and 2K3, probably doesn't work in 2K.
+ */
+ if (InWindows)
+ {
+ /*
+ * Due to yet another bug in how Windows handles .local, LDR will
+ * actually end up loading us twice. The second time will be the
+ * "official" load, at a totally different address. It will be,
+ * it will be at -that- address that all the APIs will be called.
+ * However, that address is dynamic while this one will be static,
+ * so we'll do initilization with this one. Plus, at this one,
+ * we know exactly that we're within 3 SEH layers.
+ */
+ if (hDll == (HANDLE)0x7c800000)
+ {
+ PULONG Eip;
+ Eip = (PULONG)*(PULONG)*(PULONG)NtCurrentTeb()->Tib.ExceptionList +
+ 0x9 +
+ FIELD_OFFSET(CONTEXT, Eip) / sizeof(ULONG);
+ *Eip = (ULONG)BaseProcessStartThunk;
+ }
+ }
+
/* Don't bother us for each thread */
LdrDisableThreadCalloutsForDll((PVOID)hDll);
+ /* Setup the right Object Directory path */
+ if (!SessionId)
+ {
+ /* Use the raw path */
+ wcscpy(SessionDir, WIN_OBJ_DIR);
+ }
+ else
+ {
+ /* Use the session path */
+ swprintf(SessionDir,
+ L"%ws\\%ld%ws",
+ SESSION_DIR,
+ SessionId,
+ WIN_OBJ_DIR);
+ }
+
/* Connect to the base server */
- Status = CsrClientConnectToServer(L"\\Windows", // <- FIXME: SessionDir
- CSR_BASE_DLL,
+ DPRINT("Connecting to CSR...\n");
+ Status = CsrClientConnectToServer(SessionDir,
+ InWindows ? 1 : 0,
&Dummy,
&DummySize,
&IsServer);
@@ -238,85 +330,85 @@
if (!IsServer)
{
/* Set the termination port for the thread */
+ DPRINT("Creating new thread for CSR\n");
CsrNewThread();
}
- hProcessHeap = RtlGetProcessHeap();
- hCurrentModule = hDll;
+ hProcessHeap = RtlGetProcessHeap();
+ hCurrentModule = hDll;
+ DPRINT("Heap: %p\n", hProcessHeap);
- /*
- * Initialize WindowsDirectory and SystemDirectory
- */
- DPRINT("NtSystemRoot: %S\n",
- SharedUserData->NtSystemRoot);
- RtlCreateUnicodeString (&WindowsDirectory,
- SharedUserData->NtSystemRoot);
- SystemDirectory.MaximumLength = WindowsDirectory.MaximumLength + 18;
- SystemDirectory.Length = WindowsDirectory.Length + 18;
- SystemDirectory.Buffer = RtlAllocateHeap (hProcessHeap,
- 0,
- SystemDirectory.MaximumLength);
- wcscpy (SystemDirectory.Buffer, WindowsDirectory.Buffer);
- wcscat (SystemDirectory.Buffer, L"\\System32");
+ /*
+ * Initialize WindowsDirectory and SystemDirectory
+ */
+ DPRINT("NtSystemRoot: %S\n", SharedUserData->NtSystemRoot);
+ RtlCreateUnicodeString (&WindowsDirectory, SharedUserData->NtSystemRoot);
+ SystemDirectory.MaximumLength = WindowsDirectory.MaximumLength + 18;
+ SystemDirectory.Length = WindowsDirectory.Length + 18;
+ SystemDirectory.Buffer = RtlAllocateHeap(hProcessHeap,
+ 0,
+ SystemDirectory.MaximumLength);
+ wcscpy(SystemDirectory.Buffer, WindowsDirectory.Buffer);
+ wcscat(SystemDirectory.Buffer, L"\\System32");
- /* Open object base directory */
- Status = OpenBaseDirectory(&hBaseDir);
- if (!NT_SUCCESS(Status))
- {
- DbgPrint("Failed to open object base directory (Status %lx)\n",
- Status);
- return FALSE;
- }
+ /* Open object base directory */
+ Status = OpenBaseDirectory(&hBaseDir);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("Failed to open object base directory (Status %lx)\n", Status);
+ return FALSE;
+ }
- /* Initialize the DLL critical section */
- RtlInitializeCriticalSection(&DllLock);
+ /* Initialize the DLL critical section */
+ RtlInitializeCriticalSection(&DllLock);
- /* Initialize the National Language Support routines */
- if (! NlsInit())
- {
+ /* Initialize the National Language Support routines */
+ if (!NlsInit())
+ {
+ DPRINT1("NLS Init failed\n");
return FALSE;
- }
+ }
- /* Initialize Console Support */
- if (!BasepInitConsole())
- {
- DPRINT1("Failure to set up console\n");
- return FALSE;
- }
+ /* Initialize Console Support */
+ if (!BasepInitConsole())
+ {
+ DPRINT1("Failure to set up console\n");
+ return FALSE;
+ }
- /* Insert more dll attach stuff here! */
+ /* Insert more dll attach stuff here! */
+ DllInitialized = TRUE;
+ DPRINT1("Initialization complete\n");
+ break;
- DllInitialized = TRUE;
- break;
+ case DLL_PROCESS_DETACH:
- case DLL_PROCESS_DETACH:
- DPRINT("DLL_PROCESS_DETACH\n");
- if (DllInitialized == TRUE)
- {
- /* Insert more dll detach stuff here! */
+ DPRINT("DLL_PROCESS_DETACH\n");
+ if (DllInitialized == TRUE)
+ {
+ /* Insert more dll detach stuff here! */
+ NlsUninit();
- NlsUninit();
+ /* Delete DLL critical section */
+ if (ConsoleInitialized == TRUE)
+ {
+ RtlDeleteCriticalSection (&ConsoleLock);
+ }
+ RtlDeleteCriticalSection (&DllLock);
- /* Delete DLL critical section */
- if (ConsoleInitialized == TRUE)
- {
- RtlDeleteCriticalSection (&ConsoleLock);
- }
- RtlDeleteCriticalSection (&DllLock);
+ /* Close object base directory */
+ NtClose(hBaseDir);
- /* Close object base directory */
- NtClose(hBaseDir);
+ RtlFreeUnicodeString (&SystemDirectory);
+ RtlFreeUnicodeString (&WindowsDirectory);
+ }
+ break;
- RtlFreeUnicodeString (&SystemDirectory);
- RtlFreeUnicodeString (&WindowsDirectory);
- }
- break;
-
- default:
- break;
+ default:
+ break;
}
- return TRUE;
+ return TRUE;
}
/* EOF */