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- use inlined probing macros for basic types

Browse source 
- documented dozens of vulnerabilities in NtOpenThread, NtCreateThread and NtOpenProcess (owner may fix them)

svn path=/trunk/; revision=17462
This commit is contained in:
Thomas Bluemel 2005-08-21 15:38:47 +00:00
parent 6e74d05c08
commit 10cd89fb4e
7 changed files with 129 additions and 78 deletions
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10
reactos/ntoskrnl/ps/job.c
View file

@ -216,10 +216,7 @@ NtCreateJobObject (
{
_SEH_TRY
{
/* probe with 32bit alignment */
ProbeForWrite(JobHandle,
sizeof(HANDLE),
sizeof(ULONG));
ProbeForWriteHandle(JobHandle);
}
_SEH_HANDLE
{
@ -389,10 +386,7 @@ NtOpenJobObject (
{
_SEH_TRY
{
/* probe with 32bit alignment */
ProbeForWrite(JobHandle,
sizeof(HANDLE),
sizeof(ULONG));
ProbeForWriteHandle(JobHandle);
}
_SEH_HANDLE
{

113
reactos/ntoskrnl/ps/locale.c
View file

@ -199,28 +199,40 @@ NTSTATUS STDCALL
NtQueryDefaultLocale(IN BOOLEAN UserProfile,
OUT PLCID DefaultLocaleId)
{
PAGED_CODE();
NTSTATUS Status = STATUS_SUCCESS;
if (DefaultLocaleId == NULL)
return STATUS_UNSUCCESSFUL;
PAGED_CODE();
if (UserProfile)
_SEH_TRY
{
if (!PsDefaultThreadLocaleInitialized)
{
PiInitThreadLocale();
}
if (KeGetPreviousMode() != KernelMode)
{
ProbeForWriteLangid(DefaultLocaleId);
}
if (UserProfile)
{
if (!PsDefaultThreadLocaleInitialized)
{
PiInitThreadLocale();
}
/* set thread locale */
*DefaultLocaleId = PsDefaultThreadLocaleId;
/* set thread locale */
*DefaultLocaleId = PsDefaultThreadLocaleId;
}
else
{
/* set system locale */
*DefaultLocaleId = PsDefaultSystemLocaleId;
}
}
else
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
{
/* set system locale */
*DefaultLocaleId = PsDefaultSystemLocaleId;
Status = _SEH_GetExceptionCode();
}
_SEH_END;
return STATUS_SUCCESS;
return Status;
}
@ -353,16 +365,36 @@ NtQueryDefaultUILanguage(OUT PLANGID LanguageId)
ULONG Value;
HANDLE UserKey;
HANDLE KeyHandle;
NTSTATUS Status;
NTSTATUS Status = STATUS_SUCCESS;
PAGED_CODE();
_SEH_TRY
{
if (KeGetPreviousMode() != KernelMode)
{
ProbeForWriteLangid(LanguageId);
}
*LanguageId = PsInstallUILanguageId;
}
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
if (!NT_SUCCESS(Status))
{
return Status;
}
Status = RtlOpenCurrentUser(KEY_READ,
&UserKey);
if (!NT_SUCCESS(Status))
{
*LanguageId = PsInstallUILanguageId;
return STATUS_SUCCESS;
Value = PsInstallUILanguageId;
goto ReturnSuccess;
}
InitializeObjectAttributes(&ObjectAttributes,
@ -375,8 +407,8 @@ NtQueryDefaultUILanguage(OUT PLANGID LanguageId)
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
*LanguageId = PsInstallUILanguageId;
return STATUS_SUCCESS;
Value = PsInstallUILanguageId;
goto ReturnSuccess;
}
ValueInfo = (PKEY_VALUE_PARTIAL_INFORMATION)ValueBuffer;
@ -393,8 +425,8 @@ NtQueryDefaultUILanguage(OUT PLANGID LanguageId)
if (!NT_SUCCESS(Status) || ValueInfo->Type != REG_SZ)
{
*LanguageId = PsInstallUILanguageId;
return STATUS_SUCCESS;
Value = PsInstallUILanguageId;
goto ReturnSuccess;
}
ValueString.Length = ValueInfo->DataLength;
@ -406,15 +438,25 @@ NtQueryDefaultUILanguage(OUT PLANGID LanguageId)
&Value);
if (!NT_SUCCESS(Status))
{
*LanguageId = PsInstallUILanguageId;
return STATUS_SUCCESS;
Value = PsInstallUILanguageId;
goto ReturnSuccess;
}
DPRINT("Default language id: %04lx\n", Value);
*LanguageId = Value;
ReturnSuccess:
_SEH_TRY
{
*LanguageId = Value;
Status = STATUS_SUCCESS;
}
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
return STATUS_SUCCESS;
return Status;
}
@ -424,11 +466,26 @@ NtQueryDefaultUILanguage(OUT PLANGID LanguageId)
NTSTATUS STDCALL
NtQueryInstallUILanguage(OUT PLANGID LanguageId)
{
PAGED_CODE();
NTSTATUS Status = STATUS_SUCCESS;
PAGED_CODE();
*LanguageId = PsInstallUILanguageId;
_SEH_TRY
{
if (KeGetPreviousMode() != KernelMode)
{
ProbeForWriteLangid(LanguageId);
}
return STATUS_SUCCESS;
*LanguageId = PsInstallUILanguageId;
}
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
return Status;
}

38
reactos/ntoskrnl/ps/process.c
View file

@ -870,6 +870,7 @@ NtCreateProcess(OUT PHANDLE ProcessHandle,
IN HANDLE DebugPort OPTIONAL,
IN HANDLE ExceptionPort OPTIONAL)
{
HANDLE hProcess;
KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
NTSTATUS Status = STATUS_SUCCESS;
@ -880,9 +881,7 @@ NtCreateProcess(OUT PHANDLE ProcessHandle,
{
_SEH_TRY
{
ProbeForWrite(ProcessHandle,
sizeof(HANDLE),
sizeof(ULONG));
ProbeForWriteHandle(ProcessHandle);
}
_SEH_HANDLE
{
@ -901,8 +900,9 @@ NtCreateProcess(OUT PHANDLE ProcessHandle,
}
else
{
/* Create a user Process */
Status = PspCreateProcess(ProcessHandle,
/* Create a user Process, do NOT pass the pointer to the handle supplied
by the caller directly!!! */
Status = PspCreateProcess(&hProcess,
DesiredAccess,
ObjectAttributes,
ParentProcess,
@ -910,6 +910,18 @@ NtCreateProcess(OUT PHANDLE ProcessHandle,
SectionHandle,
DebugPort,
ExceptionPort);
if (NT_SUCCESS(Status))
{
_SEH_TRY
{
*ProcessHandle = hProcess;
}
_SEH_HANDLE
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
}
}
/* Return Status */
@ -940,7 +952,7 @@ NtOpenProcess(OUT PHANDLE ProcessHandle,
/* Open by name if one was given */
DPRINT("Checking type\n");
if (ObjectAttributes->ObjectName)
if (ObjectAttributes->ObjectName) /* FIXME - neither probed nor protected! */
{
/* Open it */
DPRINT("Opening by name\n");
@ -964,11 +976,11 @@ NtOpenProcess(OUT PHANDLE ProcessHandle,
else if (ClientId)
{
/* Open by Thread ID */
if (ClientId->UniqueThread)
if (ClientId->UniqueThread) /* FIXME - neither probed nor protected! */
{
/* Get the Process */
DPRINT("Opening by Thread ID: %x\n", ClientId->UniqueThread);
Status = PsLookupProcessThreadByCid(ClientId,
DPRINT("Opening by Thread ID: %x\n", ClientId->UniqueThread); /* FIXME - neither probed nor protected! */
Status = PsLookupProcessThreadByCid(ClientId, /* FIXME - neither probed nor protected! */
&Process,
&Thread);
DPRINT("Found: %x\n", Process);
@ -976,8 +988,8 @@ NtOpenProcess(OUT PHANDLE ProcessHandle,
else
{
/* Get the Process */
DPRINT("Opening by Process ID: %x\n", ClientId->UniqueProcess);
Status = PsLookupProcessByProcessId(ClientId->UniqueProcess,
DPRINT("Opening by Process ID: %x\n", ClientId->UniqueProcess); /* FIXME - neither probed nor protected! */
Status = PsLookupProcessByProcessId(ClientId->UniqueProcess, /* FIXME - neither probed nor protected! */
&Process);
DPRINT("Found: %x\n", Process);
}
@ -990,12 +1002,12 @@ NtOpenProcess(OUT PHANDLE ProcessHandle,
/* Open the Process Object */
Status = ObOpenObjectByPointer(Process,
ObjectAttributes->Attributes,
ObjectAttributes->Attributes, /* FIXME - neither probed nor protected! */
NULL,
DesiredAccess,
PsProcessType,
PreviousMode,
ProcessHandle);
ProcessHandle); /* FIXME - neither probed nor protected! */
if(!NT_SUCCESS(Status))
{
DPRINT1("Failure to open process\n");

4
reactos/ntoskrnl/ps/query.c
View file

@ -1303,9 +1303,7 @@ NtQueryInformationThread (IN HANDLE ThreadHandle,
1);
if (ReturnLength != NULL)
{
ProbeForWrite(ReturnLength,
sizeof(ULONG),
sizeof(ULONG));
ProbeForWriteUlong(ReturnLength);
}
}
_SEH_HANDLE

4
reactos/ntoskrnl/ps/security.c
View file

@ -79,9 +79,7 @@ NtOpenProcessTokenEx(IN HANDLE ProcessHandle,
{
_SEH_TRY
{
ProbeForWrite(TokenHandle,
sizeof(HANDLE),
sizeof(ULONG));
ProbeForWriteHandle(TokenHandle);
}
_SEH_HANDLE
{

8
reactos/ntoskrnl/ps/suspend.c
View file

@ -49,9 +49,7 @@ NtResumeThread(IN HANDLE ThreadHandle,
_SEH_TRY {
ProbeForWrite(SuspendCount,
sizeof(ULONG),
sizeof(ULONG));
ProbeForWriteUlong(SuspendCount);
} _SEH_HANDLE {
Status = _SEH_GetExceptionCode();
@ -124,9 +122,7 @@ NtSuspendThread(IN HANDLE ThreadHandle,
{
_SEH_TRY
{
ProbeForWrite(PreviousSuspendCount,
sizeof(ULONG),
sizeof(ULONG));
ProbeForWriteUlong(PreviousSuspendCount);
}
_SEH_HANDLE
{

30
reactos/ntoskrnl/ps/thread.c
View file

@ -597,9 +597,7 @@ NtCreateThread(OUT PHANDLE ThreadHandle,
_SEH_TRY {
ProbeForWrite(ThreadHandle,
sizeof(HANDLE),
sizeof(ULONG));
ProbeForWriteHandle(ThreadHandle);
if(ClientId != NULL) {
@ -632,18 +630,18 @@ NtCreateThread(OUT PHANDLE ThreadHandle,
}
/* Use probed data for the Initial TEB */
SafeInitialTeb = *InitialTeb;
SafeInitialTeb = *InitialTeb; /* FIXME - not protected! */
InitialTeb = &SafeInitialTeb;
/* Call the shared function */
return PspCreateThread(ThreadHandle,
return PspCreateThread(ThreadHandle, /* FIXME - not protected! */
DesiredAccess,
ObjectAttributes,
ProcessHandle,
NULL,
ClientId,
ThreadContext,
InitialTeb,
ClientId, /* FIXME - not protected! */
ThreadContext, /* FIXME - not protected! */
InitialTeb, /* FIXME - not protected! */
CreateSuspended,
NULL,
NULL);
@ -672,9 +670,7 @@ NtOpenThread(OUT PHANDLE ThreadHandle,
{
_SEH_TRY
{
ProbeForWrite(ThreadHandle,
sizeof(HANDLE),
sizeof(ULONG));
ProbeForWriteHandle(ThreadHandle);
if(ClientId != NULL)
{
@ -696,7 +692,7 @@ NtOpenThread(OUT PHANDLE ThreadHandle,
}
/* Open by name if one was given */
if (ObjectAttributes->ObjectName)
if (ObjectAttributes->ObjectName) /* FIXME - neither probed nor protected! */
{
/* Open it */
Status = ObOpenObjectByName(ObjectAttributes,
@ -711,18 +707,18 @@ NtOpenThread(OUT PHANDLE ThreadHandle,
{
DPRINT1("Could not open object by name\n");
}
/* FIXME - would be a good idea to return the handle in case of success! */
/* Return Status */
return(Status);
}
else if (ClientId)
{
/* Open by Thread ID */
if (ClientId->UniqueProcess)
if (ClientId->UniqueProcess) /* FIXME - neither probed nor protected! */
{
/* Get the Process */
DPRINT("Opening by Process ID: %x\n", ClientId->UniqueProcess);
Status = PsLookupProcessThreadByCid(ClientId,
DPRINT("Opening by Process ID: %x\n", ClientId->UniqueProcess); /* FIXME - neither probed nor protected! */
Status = PsLookupProcessThreadByCid(ClientId, /* FIXME - neither probed nor protected! */
NULL,
&Thread);
}
@ -742,7 +738,7 @@ NtOpenThread(OUT PHANDLE ThreadHandle,
/* Open the Thread Object */
Status = ObOpenObjectByPointer(Thread,
ObjectAttributes->Attributes,
ObjectAttributes->Attributes, /* FIXME - neither probed nor protected! */
NULL,
DesiredAccess,
PsThreadType,