win32_modify_apply_privileges(false);
}
-HANDLE
-win32_open_existing_file(const wchar_t *path, DWORD dwDesiredAccess)
-{
- return CreateFile(path,
- dwDesiredAccess,
- FILE_SHARE_READ,
- NULL, /* lpSecurityAttributes */
- OPEN_EXISTING,
- FILE_FLAG_BACKUP_SEMANTICS |
- FILE_FLAG_OPEN_REPARSE_POINT,
- NULL /* hTemplateFile */);
-}
-
/* Pointers to dynamically loaded functions */
-/* kernel32.dll: Vista and later */
-BOOL (WINAPI *func_CreateSymbolicLinkW)(const wchar_t *lpSymlinkFileName,
- const wchar_t *lpTargetFileName,
- DWORD dwFlags);
-
/* ntdll.dll */
+NTSTATUS (WINAPI *func_NtCreateFile)(PHANDLE FileHandle,
+ ACCESS_MASK DesiredAccess,
+ POBJECT_ATTRIBUTES ObjectAttributes,
+ PIO_STATUS_BLOCK IoStatusBlock,
+ PLARGE_INTEGER AllocationSize,
+ ULONG FileAttributes,
+ ULONG ShareAccess,
+ ULONG CreateDisposition,
+ ULONG CreateOptions,
+ PVOID EaBuffer,
+ ULONG EaLength);
+
NTSTATUS (WINAPI *func_NtOpenFile) (PHANDLE FileHandle,
ACCESS_MASK DesiredAccess,
POBJECT_ATTRIBUTES ObjectAttributes,
PLARGE_INTEGER ByteOffset,
PULONG Key);
+NTSTATUS (WINAPI *func_NtWriteFile) (HANDLE FileHandle,
+ HANDLE Event,
+ PIO_APC_ROUTINE ApcRoutine,
+ PVOID ApcContext,
+ PIO_STATUS_BLOCK IoStatusBlock,
+ PVOID Buffer,
+ ULONG Length,
+ PLARGE_INTEGER ByteOffset,
+ PULONG Key);
+
NTSTATUS (WINAPI *func_NtQueryInformationFile)(HANDLE FileHandle,
PIO_STATUS_BLOCK IoStatusBlock,
PVOID FileInformation,
ULONG Length,
FS_INFORMATION_CLASS FsInformationClass);
+NTSTATUS (WINAPI *func_NtSetInformationFile)(HANDLE FileHandle,
+ PIO_STATUS_BLOCK IoStatusBlock,
+ PVOID FileInformation,
+ ULONG Length,
+ FILE_INFORMATION_CLASS FileInformationClass);
+
NTSTATUS (WINAPI *func_NtSetSecurityObject)(HANDLE Handle,
SECURITY_INFORMATION SecurityInformation,
PSECURITY_DESCRIPTOR SecurityDescriptor);
+NTSTATUS (WINAPI *func_NtFsControlFile) (HANDLE FileHandle,
+ HANDLE Event,
+ PIO_APC_ROUTINE ApcRoutine,
+ PVOID ApcContext,
+ PIO_STATUS_BLOCK IoStatusBlock,
+ ULONG FsControlCode,
+ PVOID InputBuffer,
+ ULONG InputBufferLength,
+ PVOID OutputBuffer,
+ ULONG OutputBufferLength);
+
NTSTATUS (WINAPI *func_NtClose) (HANDLE Handle);
DWORD (WINAPI *func_RtlNtStatusToDosError)(NTSTATUS status);
+BOOLEAN (WINAPI *func_RtlDosPathNameToNtPathName_U)
+ (IN PCWSTR DosName,
+ OUT PUNICODE_STRING NtName,
+ OUT PCWSTR *PartName,
+ OUT PRTL_RELATIVE_NAME_U RelativeName);
+
+NTSTATUS (WINAPI *func_RtlDosPathNameToNtPathName_U_WithStatus)
+ (IN PCWSTR DosName,
+ OUT PUNICODE_STRING NtName,
+ OUT PCWSTR *PartName,
+ OUT PRTL_RELATIVE_NAME_U RelativeName);
+
NTSTATUS (WINAPI *func_RtlCreateSystemVolumeInformationFolder)
(PCUNICODE_STRING VolumeRootPath);
-static OSVERSIONINFO windows_version_info = {
- .dwOSVersionInfoSize = sizeof(OSVERSIONINFO),
-};
-
static bool acquired_privileges = false;
-bool
-windows_version_is_at_least(unsigned major, unsigned minor)
-{
- return windows_version_info.dwMajorVersion > major ||
- (windows_version_info.dwMajorVersion == major &&
- windows_version_info.dwMinorVersion >= minor);
-}
-
struct dll_sym {
void **func_ptr;
const char *name;
struct dll_spec ntdll_spec = {
.name = L"ntdll.dll",
.syms = {
+ DLL_SYM(NtCreateFile, true),
DLL_SYM(NtOpenFile, true),
DLL_SYM(NtReadFile, true),
+ DLL_SYM(NtWriteFile, true),
DLL_SYM(NtQueryInformationFile, true),
DLL_SYM(NtQuerySecurityObject, true),
DLL_SYM(NtQueryDirectoryFile, true),
DLL_SYM(NtQueryVolumeInformationFile, true),
+ DLL_SYM(NtSetInformationFile, true),
DLL_SYM(NtSetSecurityObject, true),
+ DLL_SYM(NtFsControlFile, true),
DLL_SYM(NtClose, true),
DLL_SYM(RtlNtStatusToDosError, true),
DLL_SYM(RtlCreateSystemVolumeInformationFolder, false),
- {NULL, NULL},
- },
-};
-
-struct dll_spec kernel32_spec = {
- .name = L"kernel32.dll",
- .syms = {
- DLL_SYM(CreateSymbolicLinkW, false),
+ DLL_SYM(RtlDosPathNameToNtPathName_U, true),
+ DLL_SYM(RtlDosPathNameToNtPathName_U_WithStatus, false), /* Not present on XP */
{NULL, NULL},
},
};
acquired_privileges = true;
}
- /* Get Windows version information. */
- GetVersionEx(&windows_version_info);
-
- /* Try to dynamically load some functions. */
- ret = init_dll(&kernel32_spec);
- if (ret)
- goto out_drop_privs;
-
ret = init_dll(&ntdll_spec);
if (ret)
- goto out_cleanup_kernel32;
+ goto out_drop_privs;
return 0;
-out_cleanup_kernel32:
- cleanup_dll(&kernel32_spec);
out_drop_privs:
win32_release_capture_and_apply_privileges();
return ret;
if (acquired_privileges)
win32_release_capture_and_apply_privileges();
- cleanup_dll(&kernel32_spec);
cleanup_dll(&ntdll_spec);
}
+/*
+ * Translates a Win32-namespace path into an NT-namespace path.
+ *
+ * On success, returns 0. The NT-namespace path will be stored in the
+ * UNICODE_STRING structure pointed to by nt_path. nt_path->Buffer will be set
+ * to a new buffer that must later be freed with HeapFree(). (Really
+ * RtlHeapFree(), but HeapFree() seems to be the same thing.)
+ *
+ * On failure, returns WIMLIB_ERR_NOMEM or WIMLIB_ERR_INVALID_PARAM.
+ */
+int
+win32_path_to_nt_path(const wchar_t *win32_path, UNICODE_STRING *nt_path)
+{
+ NTSTATUS status;
+
+ if (func_RtlDosPathNameToNtPathName_U_WithStatus) {
+ status = (*func_RtlDosPathNameToNtPathName_U_WithStatus)(win32_path,
+ nt_path,
+ NULL, NULL);
+ } else {
+ if ((*func_RtlDosPathNameToNtPathName_U)(win32_path, nt_path,
+ NULL, NULL))
+ status = STATUS_SUCCESS;
+ else
+ status = STATUS_NO_MEMORY;
+ }
+
+ if (likely(NT_SUCCESS(status)))
+ return 0;
+
+ if (status == STATUS_NO_MEMORY)
+ return WIMLIB_ERR_NOMEM;
+
+ ERROR("\"%ls\": invalid path name (status=0x%08"PRIx32")",
+ win32_path, (u32)status);
+ return WIMLIB_ERR_INVALID_PARAM;
+}
+
+int
+win32_get_drive_path(const wchar_t *file_path, wchar_t drive_path[7])
+{
+ tchar *file_abspath;
+
+ file_abspath = realpath(file_path, NULL);
+ if (!file_abspath)
+ return WIMLIB_ERR_NOMEM;
+
+ if (file_abspath[0] == L'\0' || file_abspath[1] != L':') {
+ ERROR("\"%ls\": Path format not recognized", file_abspath);
+ FREE(file_abspath);
+ return WIMLIB_ERR_UNSUPPORTED;
+ }
+
+ wsprintf(drive_path, L"\\\\.\\%lc:", file_abspath[0]);
+ FREE(file_abspath);
+ return 0;
+}
+
+
#endif /* __WIN32__ */