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ntdll: Implement RtlSetSearchPathMode(). 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
stable
Alexandre Julliard 2019-10-01 09:32:46 +02:00
parent 14fbecee65
commit 444933ae04
3 changed files with 47 additions and 10 deletions
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55
dlls/ntdll/loader.c
View File

@ -71,6 +71,7 @@ const WCHAR system_dir[] = {'C',':','\\','w','i','n','d','o','w','s','\\',
static BOOL imports_fixup_done = FALSE; /* set once the imports have been fixed up, before attaching them */
static BOOL process_detaching = FALSE; /* set on process detach to avoid deadlocks with thread detach */
static int free_lib_count; /* recursion depth of LdrUnloadDll calls */
static ULONG path_safe_mode; /* path mode set by RtlSetSearchPathMode */
struct ldr_notification
{
@ -3619,6 +3620,7 @@ static void load_global_options(void)
'C','o','n','t','r','o','l','\\',
'S','e','s','s','i','o','n',' ','M','a','n','a','g','e','r',0};
static const WCHAR globalflagW[] = {'G','l','o','b','a','l','F','l','a','g',0};
static const WCHAR safesearchW[] = {'S','a','f','e','P','r','o','c','e','s','s','S','e','a','r','c','h','M','o','d','e',0};
static const WCHAR critsectW[] = {'C','r','i','t','i','c','a','l','S','e','c','t','i','o','n','T','i','m','e','o','u','t',0};
static const WCHAR heapresW[] = {'H','e','a','p','S','e','g','m','e','n','t','R','e','s','e','r','v','e',0};
static const WCHAR heapcommitW[] = {'H','e','a','p','S','e','g','m','e','n','t','C','o','m','m','i','t',0};
@ -3641,21 +3643,22 @@ static void load_global_options(void)
if (NtOpenKey( &hkey, KEY_QUERY_VALUE, &attr )) return;
query_dword_option( hkey, globalflagW, &NtCurrentTeb()->Peb->NtGlobalFlag );
query_dword_option( hkey, safesearchW, &path_safe_mode );
query_dword_option( hkey, critsectW, &value );
NtCurrentTeb()->Peb->CriticalSectionTimeout.QuadPart = (ULONGLONG)value * -10000000;
if (!query_dword_option( hkey, critsectW, &value ))
NtCurrentTeb()->Peb->CriticalSectionTimeout.QuadPart = (ULONGLONG)value * -10000000;
query_dword_option( hkey, heapresW, &value );
NtCurrentTeb()->Peb->HeapSegmentReserve = value;
if (!query_dword_option( hkey, heapresW, &value ))
NtCurrentTeb()->Peb->HeapSegmentReserve = value;
query_dword_option( hkey, heapcommitW, &value );
NtCurrentTeb()->Peb->HeapSegmentCommit = value;
if (!query_dword_option( hkey, heapcommitW, &value ))
NtCurrentTeb()->Peb->HeapSegmentCommit = value;
query_dword_option( hkey, decommittotalW, &value );
NtCurrentTeb()->Peb->HeapDeCommitTotalFreeThreshold = value;
if (!query_dword_option( hkey, decommittotalW, &value ))
NtCurrentTeb()->Peb->HeapDeCommitTotalFreeThreshold = value;
query_dword_option( hkey, decommitfreeW, &value );
NtCurrentTeb()->Peb->HeapDeCommitFreeBlockThreshold = value;
if (!query_dword_option( hkey, decommitfreeW, &value ))
NtCurrentTeb()->Peb->HeapDeCommitFreeBlockThreshold = value;
NtClose( hkey );
}
@ -3754,6 +3757,38 @@ PVOID WINAPI RtlPcToFileHeader( PVOID pc, PVOID *address )
}
/*************************************************************************
* RtlSetSearchPathMode (NTDLL.@)
*/
NTSTATUS WINAPI RtlSetSearchPathMode( ULONG flags )
{
int val;
switch (flags)
{
case BASE_SEARCH_PATH_ENABLE_SAFE_SEARCHMODE:
val = 1;
break;
case BASE_SEARCH_PATH_DISABLE_SAFE_SEARCHMODE:
val = 0;
break;
case BASE_SEARCH_PATH_ENABLE_SAFE_SEARCHMODE | BASE_SEARCH_PATH_PERMANENT:
interlocked_xchg( (int *)&path_safe_mode, 2 );
return STATUS_SUCCESS;
default:
return STATUS_INVALID_PARAMETER;
}
for (;;)
{
int prev = path_safe_mode;
if (prev == 2) break; /* permanently set */
if (interlocked_cmpxchg( (int *)&path_safe_mode, val, prev ) == prev) return STATUS_SUCCESS;
}
return STATUS_ACCESS_DENIED;
}
/***********************************************************************
* NtLoadDriver (NTDLL.@)
* ZwLoadDriver (NTDLL.@)

1
dlls/ntdll/ntdll.spec
View File

@ -926,6 +926,7 @@
@ stub RtlSetPropertyNames
@ stub RtlSetPropertySetClassId
@ stdcall RtlSetSaclSecurityDescriptor(ptr long ptr long)
@ stdcall RtlSetSearchPathMode(long)
# @ stub RtlSetSecurityDescriptorRMControl
@ stub RtlSetSecurityObject
# @ stub RtlSetSecurityObjectEx

1
include/winternl.h
View File

@ -2836,6 +2836,7 @@ NTSYSAPI NTSTATUS WINAPI RtlSetIoCompletionCallback(HANDLE,PRTL_OVERLAPPED_COMP
NTSYSAPI void WINAPI RtlSetLastWin32Error(DWORD);
NTSYSAPI void WINAPI RtlSetLastWin32ErrorAndNtStatusFromNtStatus(NTSTATUS);
NTSYSAPI NTSTATUS WINAPI RtlSetSaclSecurityDescriptor(PSECURITY_DESCRIPTOR,BOOLEAN,PACL,BOOLEAN);
NTSYSAPI NTSTATUS WINAPI RtlSetSearchPathMode(ULONG);
NTSYSAPI NTSTATUS WINAPI RtlSetThreadErrorMode(DWORD,LPDWORD);
NTSYSAPI NTSTATUS WINAPI RtlSetTimeZoneInformation(const RTL_TIME_ZONE_INFORMATION*);
NTSYSAPI void WINAPI RtlSetUnhandledExceptionFilter(PRTL_EXCEPTION_FILTER);