#include <errno.h>
-#include <winternl.h>
-
#include "wimlib/win32_common.h"
-#include "wimlib/assert.h"
#include "wimlib/error.h"
#include "wimlib/util.h"
}
}
-
void
set_errno_from_win32_error(DWORD err)
{
set_errno_from_win32_error((*func_RtlNtStatusToDosError)(status));
}
-/* Given a Windows-style path, return the number of characters of the prefix
- * that specify the path to the root directory of a drive, or return 0 if the
- * drive is relative (or at least on the current drive, in the case of
- * absolute-but-not-really-absolute paths like \Windows\System32) */
-static size_t
-win32_path_drive_spec_len(const wchar_t *path)
-{
- size_t n = 0;
-
- if (!wcsncmp(path, L"\\\\?\\", 4)) {
- /* \\?\-prefixed path. Check for following drive letter and
- * path separator. */
- if (path[4] != L'\0' && path[5] == L':' &&
- is_any_path_separator(path[6]))
- n = 7;
- } else {
- /* Not a \\?\-prefixed path. Check for an initial drive letter
- * and path separator. */
- if (path[0] != L'\0' && path[1] == L':' &&
- is_any_path_separator(path[2]))
- n = 3;
- }
- /* Include any additional path separators.*/
- if (n > 0)
- while (is_any_path_separator(path[n]))
- n++;
- return n;
-}
-
-bool
-win32_path_is_root_of_drive(const wchar_t *path)
-{
- size_t drive_spec_len;
- wchar_t full_path[32768];
- DWORD ret;
-
- ret = GetFullPathName(path, ARRAY_LEN(full_path), full_path, NULL);
- if (ret > 0 && ret < ARRAY_LEN(full_path))
- path = full_path;
-
- /* Explicit drive letter and path separator? */
- drive_spec_len = win32_path_drive_spec_len(path);
- if (drive_spec_len > 0 && path[drive_spec_len] == L'\0')
- return true;
-
- /* All path separators? */
- for (const wchar_t *p = path; *p != L'\0'; p++)
- if (!is_any_path_separator(*p))
- return false;
- return true;
-}
-
-
-/* Given a path, which may not yet exist, get a set of flags that describe the
- * features of the volume the path is on. */
-int
-win32_get_vol_flags(const wchar_t *path, unsigned *vol_flags_ret,
- bool *supports_SetFileShortName_ret)
-{
- wchar_t *volume;
- BOOL bret;
- DWORD vol_flags;
- size_t drive_spec_len;
- wchar_t filesystem_name[MAX_PATH + 1];
-
- if (supports_SetFileShortName_ret)
- *supports_SetFileShortName_ret = false;
-
- drive_spec_len = win32_path_drive_spec_len(path);
-
- if (drive_spec_len == 0)
- if (path[0] != L'\0' && path[1] == L':') /* Drive-relative path? */
- drive_spec_len = 2;
-
- if (drive_spec_len == 0) {
- /* Path does not start with a drive letter; use the volume of
- * the current working directory. */
- volume = NULL;
- } else {
- /* Path starts with a drive letter (or \\?\ followed by a drive
- * letter); use it. */
- volume = alloca((drive_spec_len + 2) * sizeof(wchar_t));
- wmemcpy(volume, path, drive_spec_len);
- /* Add trailing backslash in case this was a drive-relative
- * path. */
- volume[drive_spec_len] = L'\\';
- volume[drive_spec_len + 1] = L'\0';
- }
- bret = GetVolumeInformation(
- volume, /* lpRootPathName */
- NULL, /* lpVolumeNameBuffer */
- 0, /* nVolumeNameSize */
- NULL, /* lpVolumeSerialNumber */
- NULL, /* lpMaximumComponentLength */
- &vol_flags, /* lpFileSystemFlags */
- filesystem_name, /* lpFileSystemNameBuffer */
- ARRAY_LEN(filesystem_name)); /* nFileSystemNameSize */
- if (!bret) {
- set_errno_from_GetLastError();
- WARNING_WITH_ERRNO("Failed to get volume information for "
- "path \"%ls\"", path);
- vol_flags = 0xffffffff;
- goto out;
- }
-
- if (wcsstr(filesystem_name, L"NTFS")) {
- /* FILE_SUPPORTS_HARD_LINKS is only supported on Windows 7 and later.
- * Force it on anyway if filesystem is NTFS. */
- vol_flags |= FILE_SUPPORTS_HARD_LINKS;
-
- if (supports_SetFileShortName_ret)
- *supports_SetFileShortName_ret = true;
- }
-
-out:
- DEBUG("using vol_flags = %x", vol_flags);
- *vol_flags_ret = vol_flags;
- return 0;
-}
-
static bool
win32_modify_privilege(const wchar_t *privilege, bool enable)
{
/* ntdll.dll */
-DWORD (WINAPI *func_RtlNtStatusToDosError)(NTSTATUS status);
+NTSTATUS (WINAPI *func_NtOpenFile) (PHANDLE FileHandle,
+ ACCESS_MASK DesiredAccess,
+ POBJECT_ATTRIBUTES ObjectAttributes,
+ PIO_STATUS_BLOCK IoStatusBlock,
+ ULONG ShareAccess,
+ ULONG OpenOptions);
+
+NTSTATUS (WINAPI *func_NtReadFile) (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,
PUNICODE_STRING FileName,
BOOLEAN RestartScan);
+NTSTATUS (WINAPI *func_NtQueryVolumeInformationFile) (HANDLE FileHandle,
+ PIO_STATUS_BLOCK IoStatusBlock,
+ PVOID FsInformation,
+ ULONG Length,
+ FS_INFORMATION_CLASS FsInformationClass);
+
NTSTATUS (WINAPI *func_NtSetSecurityObject)(HANDLE Handle,
SECURITY_INFORMATION SecurityInformation,
PSECURITY_DESCRIPTOR SecurityDescriptor);
+NTSTATUS (WINAPI *func_NtClose) (HANDLE Handle);
+
+DWORD (WINAPI *func_RtlNtStatusToDosError)(NTSTATUS status);
+
NTSTATUS (WINAPI *func_RtlCreateSystemVolumeInformationFolder)
(PCUNICODE_STRING VolumeRootPath);
struct dll_spec ntdll_spec = {
.name = L"ntdll.dll",
.syms = {
- DLL_SYM(RtlNtStatusToDosError, true),
+ DLL_SYM(NtOpenFile, true),
+ DLL_SYM(NtReadFile, true),
DLL_SYM(NtQueryInformationFile, true),
DLL_SYM(NtQuerySecurityObject, true),
DLL_SYM(NtQueryDirectoryFile, true),
+ DLL_SYM(NtQueryVolumeInformationFile, true),
DLL_SYM(NtSetSecurityObject, true),
+ DLL_SYM(NtClose, true),
+ DLL_SYM(RtlNtStatusToDosError, true),
DLL_SYM(RtlCreateSystemVolumeInformationFolder, false),
{NULL, NULL},
},