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reactos/dll/shellext/shellbtrfs/propsheet.cpp
Johannes Obermayr 29d1938258
[BTRFS][UBTRFS][SHELLBTRFS] Upgrade to 1.8.1 (#4729) 
CORE-18322

v1.8.1 (2022-08-23):
- Fixed use-after-free when flushing
- Fixed crash when opening volume when AppLocker installed
- Compression now disabled for no-COW files, as on Linux
- Flushing now scales better on very fast drives
- Fixed small files getting padded to 4,096 bytes by lazy writer
- Added NoDataCOW registry option
2022-09-28 18:08:10 +02:00

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/* Copyright (c) Mark Harmstone 2016-17
*
* This file is part of WinBtrfs.
*
* WinBtrfs is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public Licence as published by
* the Free Software Foundation, either version 3 of the Licence, or
* (at your option) any later version.
*
* WinBtrfs is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public Licence for more details.
*
* You should have received a copy of the GNU Lesser General Public Licence
* along with WinBtrfs. If not, see <http://www.gnu.org/licenses/>. */
#define ISOLATION_AWARE_ENABLED 1
#define STRSAFE_NO_DEPRECATE
#include "shellext.h"
#ifndef __REACTOS__
#include <windows.h>
#include <strsafe.h>
#include <winternl.h>
#else
#define WIN32_NO_STATUS
#include <windef.h>
#include <winbase.h>
#include <strsafe.h>
#include <ndk/iofuncs.h>
#include <ndk/iotypes.h>
#endif
#define NO_SHLWAPI_STRFCNS
#include <shlwapi.h>
#include <uxtheme.h>
#include "propsheet.h"
#include "resource.h"
#define SUBVOL_ROOT_INODE 0x100
#ifndef __REACTOS__
#ifndef __MINGW32__ // in winternl.h in mingw
typedef struct _FILE_ACCESS_INFORMATION {
ACCESS_MASK AccessFlags;
} FILE_ACCESS_INFORMATION, *PFILE_ACCESS_INFORMATION;
#define FileAccessInformation (FILE_INFORMATION_CLASS)8
typedef struct _FILE_STANDARD_INFORMATION {
LARGE_INTEGER AllocationSize;
LARGE_INTEGER EndOfFile;
ULONG NumberOfLinks;
BOOLEAN DeletePending;
BOOLEAN Directory;
} FILE_STANDARD_INFORMATION, *PFILE_STANDARD_INFORMATION;
#define FileStandardInformation (FILE_INFORMATION_CLASS)5
typedef struct _FILE_FS_SIZE_INFORMATION {
LARGE_INTEGER TotalAllocationUnits;
LARGE_INTEGER AvailableAllocationUnits;
ULONG SectorsPerAllocationUnit;
ULONG BytesPerSector;
} FILE_FS_SIZE_INFORMATION, *PFILE_FS_SIZE_INFORMATION;
#endif
#endif
HRESULT __stdcall BtrfsPropSheet::QueryInterface(REFIID riid, void **ppObj) {
if (riid == IID_IUnknown || riid == IID_IShellPropSheetExt) {
*ppObj = static_cast<IShellPropSheetExt*>(this);
AddRef();
return S_OK;
} else if (riid == IID_IShellExtInit) {
*ppObj = static_cast<IShellExtInit*>(this);
AddRef();
return S_OK;
}
*ppObj = nullptr;
return E_NOINTERFACE;
}
void BtrfsPropSheet::do_search(const wstring& fn) {
wstring ss;
WIN32_FIND_DATAW ffd;
#ifndef __REACTOS__
ss = fn + L"\\*"s;
#else
ss = fn + wstring(L"\\*");
#endif
fff_handle h = FindFirstFileW(ss.c_str(), &ffd);
if (h == INVALID_HANDLE_VALUE)
return;
do {
if (ffd.cFileName[0] != '.' || ((ffd.cFileName[1] != 0) && (ffd.cFileName[1] != '.' || ffd.cFileName[2] != 0))) {
wstring fn2;
#ifndef __REACTOS__
fn2 = fn + L"\\"s + ffd.cFileName;
#else
fn2 = fn + wstring(L"\\") + ffd.cFileName;
#endif
if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
search_list.push_back(fn2);
else {
win_handle fh = CreateFileW(fn2.c_str(), FILE_TRAVERSE | FILE_READ_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, nullptr);
if (fh != INVALID_HANDLE_VALUE) {
NTSTATUS Status;
IO_STATUS_BLOCK iosb;
btrfs_inode_info bii2;
memset(&bii2, 0, sizeof(bii2));
Status = NtFsControlFile(fh, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_GET_INODE_INFO, nullptr, 0, &bii2, sizeof(btrfs_inode_info));
if (NT_SUCCESS(Status)) {
sizes[0] += bii2.inline_length;
sizes[1] += bii2.disk_size_uncompressed;
sizes[2] += bii2.disk_size_zlib;
sizes[3] += bii2.disk_size_lzo;
sizes[4] += bii2.disk_size_zstd;
totalsize += bii2.inline_length + bii2.disk_size_uncompressed + bii2.disk_size_zlib + bii2.disk_size_lzo + bii2.disk_size_zstd;
sparsesize += bii2.sparse_size;
num_extents += bii2.num_extents == 0 ? 0 : (bii2.num_extents - 1);
}
FILE_STANDARD_INFORMATION fsi;
Status = NtQueryInformationFile(fh, &iosb, &fsi, sizeof(fsi), FileStandardInformation);
if (NT_SUCCESS(Status)) {
if (bii2.inline_length > 0)
allocsize += fsi.EndOfFile.QuadPart;
else
allocsize += fsi.AllocationSize.QuadPart;
}
}
}
}
} while (FindNextFileW(h, &ffd));
}
DWORD BtrfsPropSheet::search_list_thread() {
while (!search_list.empty()) {
do_search(search_list.front());
search_list.pop_front();
}
thread = nullptr;
return 0;
}
static DWORD WINAPI global_search_list_thread(LPVOID lpParameter) {
BtrfsPropSheet* bps = (BtrfsPropSheet*)lpParameter;
return bps->search_list_thread();
}
HRESULT BtrfsPropSheet::check_file(const wstring& fn, UINT i, UINT num_files, UINT* sv) {
win_handle h;
IO_STATUS_BLOCK iosb;
NTSTATUS Status;
FILE_ACCESS_INFORMATION fai;
BY_HANDLE_FILE_INFORMATION bhfi;
btrfs_inode_info bii2;
h = CreateFileW(fn.c_str(), MAXIMUM_ALLOWED, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, nullptr);
if (h == INVALID_HANDLE_VALUE)
return E_FAIL;
Status = NtQueryInformationFile(h, &iosb, &fai, sizeof(FILE_ACCESS_INFORMATION), FileAccessInformation);
if (!NT_SUCCESS(Status))
return E_FAIL;
if (fai.AccessFlags & FILE_READ_ATTRIBUTES)
can_change_perms = fai.AccessFlags & WRITE_DAC;
readonly = !(fai.AccessFlags & FILE_WRITE_ATTRIBUTES);
if (!readonly && num_files == 1 && !can_change_perms)
show_admin_button = true;
if (GetFileInformationByHandle(h, &bhfi) && bhfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
search_list.push_back(fn);
memset(&bii2, 0, sizeof(bii2));
Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_GET_INODE_INFO, nullptr, 0, &bii2, sizeof(btrfs_inode_info));
if (NT_SUCCESS(Status) && !bii2.top) {
LARGE_INTEGER filesize;
if (i == 0) {
subvol = bii2.subvol;
inode = bii2.inode;
type = bii2.type;
uid = bii2.st_uid;
gid = bii2.st_gid;
rdev = bii2.st_rdev;
} else {
if (subvol != bii2.subvol)
various_subvols = true;
if (inode != bii2.inode)
various_inodes = true;
if (type != bii2.type)
various_types = true;
if (uid != bii2.st_uid)
various_uids = true;
if (gid != bii2.st_gid)
various_gids = true;
}
if (bii2.inline_length > 0) {
totalsize += bii2.inline_length;
sizes[0] += bii2.inline_length;
}
if (bii2.disk_size_uncompressed > 0) {
totalsize += bii2.disk_size_uncompressed;
sizes[1] += bii2.disk_size_uncompressed;
}
if (bii2.disk_size_zlib > 0) {
totalsize += bii2.disk_size_zlib;
sizes[2] += bii2.disk_size_zlib;
}
if (bii2.disk_size_lzo > 0) {
totalsize += bii2.disk_size_lzo;
sizes[3] += bii2.disk_size_lzo;
}
if (bii2.disk_size_zstd > 0) {
totalsize += bii2.disk_size_zstd;
sizes[4] += bii2.disk_size_zstd;
}
sparsesize += bii2.sparse_size;
num_extents += bii2.num_extents == 0 ? 0 : (bii2.num_extents - 1);
FILE_STANDARD_INFORMATION fsi;
Status = NtQueryInformationFile(h, &iosb, &fsi, sizeof(fsi), FileStandardInformation);
if (!NT_SUCCESS(Status))
throw ntstatus_error(Status);
if (bii2.inline_length > 0)
allocsize += fsi.EndOfFile.QuadPart;
else
allocsize += fsi.AllocationSize.QuadPart;
min_mode |= ~bii2.st_mode;
max_mode |= bii2.st_mode;
min_flags |= ~bii2.flags;
max_flags |= bii2.flags;
min_compression_type = bii2.compression_type < min_compression_type ? bii2.compression_type : min_compression_type;
max_compression_type = bii2.compression_type > max_compression_type ? bii2.compression_type : max_compression_type;
if (bii2.inode == SUBVOL_ROOT_INODE) {
bool ro = bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY;
has_subvols = true;
if (*sv == 0)
ro_subvol = ro;
else {
if (ro_subvol != ro)
various_ro = true;
}
(*sv)++;
}
ignore = false;
if (bii2.type != BTRFS_TYPE_DIRECTORY && GetFileSizeEx(h, &filesize)) {
if (filesize.QuadPart != 0)
can_change_nocow = false;
}
{
FILE_FS_SIZE_INFORMATION ffsi;
Status = NtQueryVolumeInformationFile(h, &iosb, &ffsi, sizeof(ffsi), FileFsSizeInformation);
if (NT_SUCCESS(Status))
sector_size = ffsi.BytesPerSector;
if (sector_size == 0)
sector_size = 4096;
}
} else
return E_FAIL;
return S_OK;
}
HRESULT BtrfsPropSheet::load_file_list() {
UINT num_files, i, sv = 0;
WCHAR fn[MAX_PATH];
num_files = DragQueryFileW((HDROP)stgm.hGlobal, 0xFFFFFFFF, nullptr, 0);
min_mode = 0;
max_mode = 0;
min_flags = 0;
max_flags = 0;
min_compression_type = 0xff;
max_compression_type = 0;
various_subvols = various_inodes = various_types = various_uids = various_gids = various_ro = false;
can_change_perms = true;
can_change_nocow = true;
sizes[0] = sizes[1] = sizes[2] = sizes[3] = sizes[4] = 0;
totalsize = allocsize = sparsesize = 0;
for (i = 0; i < num_files; i++) {
if (DragQueryFileW((HDROP)stgm.hGlobal, i, fn, sizeof(fn) / sizeof(WCHAR))) {
HRESULT hr;
hr = check_file(fn, i, num_files, &sv);
if (FAILED(hr))
return hr;
} else
return E_FAIL;
}
min_mode = ~min_mode;
min_flags = ~min_flags;
mode = min_mode;
mode_set = ~(min_mode ^ max_mode);
flags = min_flags;
flags_set = ~(min_flags ^ max_flags);
return S_OK;
}
HRESULT __stdcall BtrfsPropSheet::Initialize(PCIDLIST_ABSOLUTE pidlFolder, IDataObject* pdtobj, HKEY hkeyProgID) {
try {
FORMATETC format = { CF_HDROP, nullptr, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
HDROP hdrop;
HRESULT hr;
if (pidlFolder)
return E_FAIL;
if (!pdtobj)
return E_FAIL;
stgm.tymed = TYMED_HGLOBAL;
if (FAILED(pdtobj->GetData(&format, &stgm)))
return E_INVALIDARG;
stgm_set = true;
hdrop = (HDROP)GlobalLock(stgm.hGlobal);
if (!hdrop) {
ReleaseStgMedium(&stgm);
stgm_set = false;
return E_INVALIDARG;
}
try {
hr = load_file_list();
if (FAILED(hr))
return hr;
if (search_list.size() > 0) {
thread = CreateThread(nullptr, 0, global_search_list_thread, this, 0, nullptr);
if (!thread)
throw last_error(GetLastError());
}
} catch (...) {
GlobalUnlock(hdrop);
throw;
}
GlobalUnlock(hdrop);
} catch (const exception& e) {
error_message(nullptr, e.what());
return E_FAIL;
}
return S_OK;
}
void BtrfsPropSheet::set_cmdline(const wstring& cmdline) {
win_handle h;
IO_STATUS_BLOCK iosb;
NTSTATUS Status;
UINT sv = 0;
BY_HANDLE_FILE_INFORMATION bhfi;
btrfs_inode_info bii2;
FILE_ACCESS_INFORMATION fai;
min_mode = 0;
max_mode = 0;
min_flags = 0;
max_flags = 0;
min_compression_type = 0xff;
max_compression_type = 0;
various_subvols = various_inodes = various_types = various_uids = various_gids = various_ro = false;
can_change_perms = true;
can_change_nocow = true;
h = CreateFileW(cmdline.c_str(), MAXIMUM_ALLOWED, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, nullptr);
if (h == INVALID_HANDLE_VALUE)
throw last_error(GetLastError());
Status = NtQueryInformationFile(h, &iosb, &fai, sizeof(FILE_ACCESS_INFORMATION), FileAccessInformation);
if (!NT_SUCCESS(Status))
throw ntstatus_error(Status);
if (fai.AccessFlags & FILE_READ_ATTRIBUTES)
can_change_perms = fai.AccessFlags & WRITE_DAC;
readonly = !(fai.AccessFlags & FILE_WRITE_ATTRIBUTES);
if (GetFileInformationByHandle(h, &bhfi) && bhfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
search_list.push_back(cmdline);
memset(&bii2, 0, sizeof(bii2));
Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_GET_INODE_INFO, nullptr, 0, &bii2, sizeof(btrfs_inode_info));
if (!NT_SUCCESS(Status))
throw ntstatus_error(Status);
if (!bii2.top) {
LARGE_INTEGER filesize;
subvol = bii2.subvol;
inode = bii2.inode;
type = bii2.type;
uid = bii2.st_uid;
gid = bii2.st_gid;
rdev = bii2.st_rdev;
if (bii2.inline_length > 0) {
totalsize += bii2.inline_length;
sizes[0] += bii2.inline_length;
}
if (bii2.disk_size_uncompressed > 0) {
totalsize += bii2.disk_size_uncompressed;
sizes[1] += bii2.disk_size_uncompressed;
}
if (bii2.disk_size_zlib > 0) {
totalsize += bii2.disk_size_zlib;
sizes[2] += bii2.disk_size_zlib;
}
if (bii2.disk_size_lzo > 0) {
totalsize += bii2.disk_size_lzo;
sizes[3] += bii2.disk_size_lzo;
}
if (bii2.disk_size_zstd > 0) {
totalsize += bii2.disk_size_zstd;
sizes[4] += bii2.disk_size_zstd;
}
sparsesize += bii2.sparse_size;
FILE_STANDARD_INFORMATION fsi;
Status = NtQueryInformationFile(h, &iosb, &fsi, sizeof(fsi), FileStandardInformation);
if (!NT_SUCCESS(Status))
throw ntstatus_error(Status);
if (bii2.inline_length > 0)
allocsize += fsi.EndOfFile.QuadPart;
else
allocsize += fsi.AllocationSize.QuadPart;
min_mode |= ~bii2.st_mode;
max_mode |= bii2.st_mode;
min_flags |= ~bii2.flags;
max_flags |= bii2.flags;
min_compression_type = bii2.compression_type < min_compression_type ? bii2.compression_type : min_compression_type;
max_compression_type = bii2.compression_type > max_compression_type ? bii2.compression_type : max_compression_type;
if (bii2.inode == SUBVOL_ROOT_INODE) {
bool ro = bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY;
has_subvols = true;
if (sv == 0)
ro_subvol = ro;
else {
if (ro_subvol != ro)
various_ro = true;
}
sv++;
}
ignore = false;
if (bii2.type != BTRFS_TYPE_DIRECTORY && GetFileSizeEx(h, &filesize)) {
if (filesize.QuadPart != 0)
can_change_nocow = false;
}
} else
return;
min_mode = ~min_mode;
min_flags = ~min_flags;
mode = min_mode;
mode_set = ~(min_mode ^ max_mode);
flags = min_flags;
flags_set = ~(min_flags ^ max_flags);
if (search_list.size() > 0) {
thread = CreateThread(nullptr, 0, global_search_list_thread, this, 0, nullptr);
if (!thread)
throw last_error(GetLastError());
}
this->filename = cmdline;
}
static ULONG inode_type_to_string_ref(uint8_t type) {
switch (type) {
case BTRFS_TYPE_FILE:
return IDS_INODE_FILE;
case BTRFS_TYPE_DIRECTORY:
return IDS_INODE_DIR;
case BTRFS_TYPE_CHARDEV:
return IDS_INODE_CHAR;
case BTRFS_TYPE_BLOCKDEV:
return IDS_INODE_BLOCK;
case BTRFS_TYPE_FIFO:
return IDS_INODE_FIFO;
case BTRFS_TYPE_SOCKET:
return IDS_INODE_SOCKET;
case BTRFS_TYPE_SYMLINK:
return IDS_INODE_SYMLINK;
default:
return IDS_INODE_UNKNOWN;
}
}
void BtrfsPropSheet::change_inode_flag(HWND hDlg, uint64_t flag, UINT state) {
if (flag & BTRFS_INODE_NODATACOW)
flag |= BTRFS_INODE_NODATASUM;
if (state == BST_CHECKED) {
flags |= flag;
flags_set |= flag;
} else if (state == BST_UNCHECKED) {
flags &= ~flag;
flags_set |= flag;
} else if (state == BST_INDETERMINATE) {
flags_set = ~flag;
}
if (flags & BTRFS_INODE_NODATACOW && flags_set & BTRFS_INODE_NODATACOW) {
EnableWindow(GetDlgItem(hDlg, IDC_COMPRESS), false);
EnableWindow(GetDlgItem(hDlg, IDC_COMPRESS_TYPE), false);
} else {
EnableWindow(GetDlgItem(hDlg, IDC_COMPRESS), true);
EnableWindow(GetDlgItem(hDlg, IDC_COMPRESS_TYPE), flags & BTRFS_INODE_COMPRESS && flags_set & BTRFS_INODE_COMPRESS);
}
EnableWindow(GetDlgItem(hDlg, IDC_NODATACOW), !(flags & BTRFS_INODE_COMPRESS) || !(flags_set & BTRFS_INODE_COMPRESS));
flags_changed = true;
SendMessageW(GetParent(hDlg), PSM_CHANGED, (WPARAM)hDlg, 0);
}
void BtrfsPropSheet::apply_changes_file(HWND hDlg, const wstring& fn) {
win_handle h;
IO_STATUS_BLOCK iosb;
NTSTATUS Status;
btrfs_set_inode_info bsii;
btrfs_inode_info bii2;
ULONG perms = FILE_TRAVERSE | FILE_READ_ATTRIBUTES;
if (flags_changed || ro_changed)
perms |= FILE_WRITE_ATTRIBUTES;
if (perms_changed || gid_changed || uid_changed)
perms |= WRITE_DAC;
if (mode_set & S_ISUID && (((min_mode & S_ISUID) != (max_mode & S_ISUID)) || ((min_mode & S_ISUID) != (mode & S_ISUID))))
perms |= WRITE_OWNER;
h = CreateFileW(fn.c_str(), perms, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, nullptr);
if (h == INVALID_HANDLE_VALUE)
throw last_error(GetLastError());
ZeroMemory(&bsii, sizeof(btrfs_set_inode_info));
Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_GET_INODE_INFO, nullptr, 0, &bii2, sizeof(btrfs_inode_info));
if (!NT_SUCCESS(Status))
throw ntstatus_error(Status);
if (bii2.inode == SUBVOL_ROOT_INODE && ro_changed) {
BY_HANDLE_FILE_INFORMATION bhfi;
FILE_BASIC_INFO fbi;
if (!GetFileInformationByHandle(h, &bhfi))
throw last_error(GetLastError());
memset(&fbi, 0, sizeof(fbi));
fbi.FileAttributes = bhfi.dwFileAttributes;
if (ro_subvol)
fbi.FileAttributes |= FILE_ATTRIBUTE_READONLY;
else
fbi.FileAttributes &= ~FILE_ATTRIBUTE_READONLY;
Status = NtSetInformationFile(h, &iosb, &fbi, sizeof(FILE_BASIC_INFO), FileBasicInformation);
if (!NT_SUCCESS(Status))
throw ntstatus_error(Status);
}
if (flags_changed || perms_changed || uid_changed || gid_changed || compress_type_changed) {
if (flags_changed) {
bsii.flags_changed = true;
bsii.flags = (bii2.flags & ~flags_set) | (flags & flags_set);
}
if (perms_changed) {
bsii.mode_changed = true;
bsii.st_mode = (bii2.st_mode & ~mode_set) | (mode & mode_set);
}
if (uid_changed) {
bsii.uid_changed = true;
bsii.st_uid = uid;
}
if (gid_changed) {
bsii.gid_changed = true;
bsii.st_gid = gid;
}
if (compress_type_changed) {
bsii.compression_type_changed = true;
bsii.compression_type = compress_type;
}
Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_SET_INODE_INFO, &bsii, sizeof(btrfs_set_inode_info), nullptr, 0);
if (!NT_SUCCESS(Status))
throw ntstatus_error(Status);
}
}
void BtrfsPropSheet::apply_changes(HWND hDlg) {
UINT num_files, i;
WCHAR fn[MAX_PATH]; // FIXME - is this long enough?
if (various_uids)
uid_changed = false;
if (various_gids)
gid_changed = false;
if (!flags_changed && !perms_changed && !uid_changed && !gid_changed && !compress_type_changed && !ro_changed)
return;
if (filename[0] != 0)
apply_changes_file(hDlg, filename);
else {
num_files = DragQueryFileW((HDROP)stgm.hGlobal, 0xFFFFFFFF, nullptr, 0);
for (i = 0; i < num_files; i++) {
if (DragQueryFileW((HDROP)stgm.hGlobal, i, fn, sizeof(fn) / sizeof(WCHAR))) {
apply_changes_file(hDlg, fn);
}
}
}
flags_changed = false;
perms_changed = false;
uid_changed = false;
gid_changed = false;
ro_changed = false;
}
void BtrfsPropSheet::set_size_on_disk(HWND hwndDlg) {
wstring s, size_on_disk, cr, frag;
WCHAR old_text[1024];
float ratio;
format_size(totalsize, size_on_disk, true);
wstring_sprintf(s, size_format, size_on_disk.c_str());
if (allocsize == sparsesize || totalsize == 0)
ratio = 0.0f;
else
ratio = 100.0f * (1.0f - ((float)totalsize / (float)(allocsize - sparsesize)));
wstring_sprintf(cr, cr_format, ratio);
GetDlgItemTextW(hwndDlg, IDC_SIZE_ON_DISK, old_text, sizeof(old_text) / sizeof(WCHAR));
if (s != old_text)
SetDlgItemTextW(hwndDlg, IDC_SIZE_ON_DISK, s.c_str());
GetDlgItemTextW(hwndDlg, IDC_COMPRESSION_RATIO, old_text, sizeof(old_text) / sizeof(WCHAR));
if (cr != old_text)
SetDlgItemTextW(hwndDlg, IDC_COMPRESSION_RATIO, cr.c_str());
uint64_t extent_size = (allocsize - sparsesize - sizes[0]) / (sector_size == 0 ? 4096 : sector_size);
if (num_extents == 0 || extent_size <= 1)
ratio = 0.0f;
else
ratio = 100.0f * ((float)num_extents / (float)(extent_size - 1));
wstring_sprintf(frag, frag_format, ratio);
GetDlgItemTextW(hwndDlg, IDC_FRAGMENTATION, old_text, sizeof(old_text) / sizeof(WCHAR));
if (frag != old_text)
SetDlgItemTextW(hwndDlg, IDC_FRAGMENTATION, frag.c_str());
}
void BtrfsPropSheet::change_perm_flag(HWND hDlg, ULONG flag, UINT state) {
if (state == BST_CHECKED) {
mode |= flag;
mode_set |= flag;
} else if (state == BST_UNCHECKED) {
mode &= ~flag;
mode_set |= flag;
} else if (state == BST_INDETERMINATE) {
mode_set = ~flag;
}
perms_changed = true;
SendMessageW(GetParent(hDlg), PSM_CHANGED, (WPARAM)hDlg, 0);
}
void BtrfsPropSheet::change_uid(HWND hDlg, uint32_t uid) {
if (this->uid != uid) {
this->uid = uid;
uid_changed = true;
SendMessageW(GetParent(hDlg), PSM_CHANGED, (WPARAM)hDlg, 0);
}
}
void BtrfsPropSheet::change_gid(HWND hDlg, uint32_t gid) {
if (this->gid != gid) {
this->gid = gid;
gid_changed = true;
SendMessageW(GetParent(hDlg), PSM_CHANGED, (WPARAM)hDlg, 0);
}
}
void BtrfsPropSheet::update_size_details_dialog(HWND hDlg) {
wstring size;
WCHAR old_text[1024];
int i;
ULONG items[] = { IDC_SIZE_INLINE, IDC_SIZE_UNCOMPRESSED, IDC_SIZE_ZLIB, IDC_SIZE_LZO, IDC_SIZE_ZSTD };
for (i = 0; i < 5; i++) {
format_size(sizes[i], size, true);
GetDlgItemTextW(hDlg, items[i], old_text, sizeof(old_text) / sizeof(WCHAR));
if (size != old_text)
SetDlgItemTextW(hDlg, items[i], size.c_str());
}
}
static INT_PTR CALLBACK SizeDetailsDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
try {
switch (uMsg) {
case WM_INITDIALOG:
{
BtrfsPropSheet* bps = (BtrfsPropSheet*)lParam;
SetWindowLongPtrW(hwndDlg, GWLP_USERDATA, (LONG_PTR)bps);
bps->update_size_details_dialog(hwndDlg);
if (bps->thread)
SetTimer(hwndDlg, 1, 250, nullptr);
return true;
}
case WM_COMMAND:
if (HIWORD(wParam) == BN_CLICKED && (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)) {
EndDialog(hwndDlg, 0);
return true;
}
break;
case WM_TIMER:
{
BtrfsPropSheet* bps = (BtrfsPropSheet*)GetWindowLongPtrW(hwndDlg, GWLP_USERDATA);
if (bps) {
bps->update_size_details_dialog(hwndDlg);
if (!bps->thread)
KillTimer(hwndDlg, 1);
}
break;
}
}
} catch (const exception& e) {
error_message(hwndDlg, e.what());
}
return false;
}
static void set_check_box(HWND hwndDlg, ULONG id, uint64_t min, uint64_t max) {
if (min && max) {
SendDlgItemMessageW(hwndDlg, id, BM_SETCHECK, BST_CHECKED, 0);
} else if (!min && !max) {
SendDlgItemMessageW(hwndDlg, id, BM_SETCHECK, BST_UNCHECKED, 0);
} else {
LONG_PTR style;
style = GetWindowLongPtrW(GetDlgItem(hwndDlg, id), GWL_STYLE);
style &= ~BS_AUTOCHECKBOX;
style |= BS_AUTO3STATE;
SetWindowLongPtrW(GetDlgItem(hwndDlg, id), GWL_STYLE, style);
SendDlgItemMessageW(hwndDlg, id, BM_SETCHECK, BST_INDETERMINATE, 0);
}
}
void BtrfsPropSheet::open_as_admin(HWND hwndDlg) {
ULONG num_files, i;
WCHAR fn[MAX_PATH], modfn[MAX_PATH];
num_files = DragQueryFileW((HDROP)stgm.hGlobal, 0xFFFFFFFF, nullptr, 0);
if (num_files == 0)
return;
GetModuleFileNameW(module, modfn, sizeof(modfn) / sizeof(WCHAR));
for (i = 0; i < num_files; i++) {
if (DragQueryFileW((HDROP)stgm.hGlobal, i, fn, sizeof(fn) / sizeof(WCHAR))) {
wstring t;
SHELLEXECUTEINFOW sei;
#ifndef __REACTOS__
t = L"\""s + modfn + L"\",ShowPropSheet "s + fn;
#else
t = wstring(L"\"") + modfn + wstring(L"\",ShowPropSheet ") + fn;
#endif
RtlZeroMemory(&sei, sizeof(sei));
sei.cbSize = sizeof(sei);
sei.hwnd = hwndDlg;
sei.lpVerb = L"runas";
sei.lpFile = L"rundll32.exe";
sei.lpParameters = t.c_str();
sei.nShow = SW_SHOW;
sei.fMask = SEE_MASK_NOCLOSEPROCESS;
if (!ShellExecuteExW(&sei))
throw last_error(GetLastError());
WaitForSingleObject(sei.hProcess, INFINITE);
CloseHandle(sei.hProcess);
load_file_list();
init_propsheet(hwndDlg);
}
}
}
// based on functions in sys/sysmacros.h
#define major(rdev) ((((rdev) >> 8) & 0xFFF) | ((uint32_t)((rdev) >> 32) & ~0xFFF))
#define minor(rdev) (((rdev) & 0xFF) | ((uint32_t)((rdev) >> 12) & ~0xFF))
void BtrfsPropSheet::init_propsheet(HWND hwndDlg) {
wstring s;
ULONG sr;
int i;
HWND comptype;
static ULONG perm_controls[] = { IDC_USERR, IDC_USERW, IDC_USERX, IDC_GROUPR, IDC_GROUPW, IDC_GROUPX, IDC_OTHERR, IDC_OTHERW, IDC_OTHERX,
IDC_SETUID, IDC_SETGID, IDC_STICKY, 0 };
static ULONG perms[] = { S_IRUSR, S_IWUSR, S_IXUSR, S_IRGRP, S_IWGRP, S_IXGRP, S_IROTH, S_IWOTH, S_IXOTH, S_ISUID, S_ISGID, S_ISVTX, 0 };
static ULONG comp_types[] = { IDS_COMPRESS_ANY, IDS_COMPRESS_ZLIB, IDS_COMPRESS_LZO, IDS_COMPRESS_ZSTD, 0 };
if (various_subvols) {
if (!load_string(module, IDS_VARIOUS, s))
throw last_error(GetLastError());
} else
wstring_sprintf(s, L"%llx", subvol);
SetDlgItemTextW(hwndDlg, IDC_SUBVOL, s.c_str());
if (various_inodes) {
if (!load_string(module, IDS_VARIOUS, s))
throw last_error(GetLastError());
} else
wstring_sprintf(s, L"%llx", inode);
SetDlgItemTextW(hwndDlg, IDC_INODE, s.c_str());
if (various_types)
sr = IDS_VARIOUS;
else
sr = inode_type_to_string_ref(type);
if (various_inodes) {
if (sr == IDS_INODE_CHAR)
sr = IDS_INODE_CHAR_SIMPLE;
else if (sr == IDS_INODE_BLOCK)
sr = IDS_INODE_BLOCK_SIMPLE;
}
if (sr == IDS_INODE_UNKNOWN) {
wstring t;
if (!load_string(module, sr, t))
throw last_error(GetLastError());
wstring_sprintf(s, t, type);
} else if (sr == IDS_INODE_CHAR || sr == IDS_INODE_BLOCK) {
wstring t;
if (!load_string(module, sr, t))
throw last_error(GetLastError());
wstring_sprintf(s, t, major(rdev), minor(rdev));
} else {
if (!load_string(module, sr, s))
throw last_error(GetLastError());
}
SetDlgItemTextW(hwndDlg, IDC_TYPE, s.c_str());
if (size_format[0] == 0)
GetDlgItemTextW(hwndDlg, IDC_SIZE_ON_DISK, size_format, sizeof(size_format) / sizeof(WCHAR));
if (cr_format[0] == 0)
GetDlgItemTextW(hwndDlg, IDC_COMPRESSION_RATIO, cr_format, sizeof(cr_format) / sizeof(WCHAR));
if (frag_format[0] == 0)
GetDlgItemTextW(hwndDlg, IDC_FRAGMENTATION, frag_format, sizeof(frag_format) / sizeof(WCHAR));
set_size_on_disk(hwndDlg);
if (thread)
SetTimer(hwndDlg, 1, 250, nullptr);
set_check_box(hwndDlg, IDC_NODATACOW, min_flags & BTRFS_INODE_NODATACOW, max_flags & BTRFS_INODE_NODATACOW);
set_check_box(hwndDlg, IDC_COMPRESS, min_flags & BTRFS_INODE_COMPRESS, max_flags & BTRFS_INODE_COMPRESS);
if (min_flags & BTRFS_INODE_NODATACOW || max_flags & BTRFS_INODE_NODATACOW)
EnableWindow(GetDlgItem(hwndDlg, IDC_COMPRESS), false);
else if (min_flags & BTRFS_INODE_COMPRESS || max_flags & BTRFS_INODE_COMPRESS)
EnableWindow(GetDlgItem(hwndDlg, IDC_NODATACOW), false);
comptype = GetDlgItem(hwndDlg, IDC_COMPRESS_TYPE);
while (SendMessageW(comptype, CB_GETCOUNT, 0, 0) > 0) {
SendMessageW(comptype, CB_DELETESTRING, 0, 0);
}
if (min_compression_type != max_compression_type) {
SendMessageW(comptype, CB_ADDSTRING, 0, (LPARAM)L"");
SendMessageW(comptype, CB_SETCURSEL, 0, 0);
}
i = 0;
while (comp_types[i] != 0) {
wstring t;
if (!load_string(module, comp_types[i], t))
throw last_error(GetLastError());
SendMessageW(comptype, CB_ADDSTRING, 0, (LPARAM)t.c_str());
i++;
}
if (min_compression_type == max_compression_type) {
SendMessageW(comptype, CB_SETCURSEL, min_compression_type, 0);
compress_type = min_compression_type;
}
EnableWindow(comptype, max_flags & BTRFS_INODE_COMPRESS);
i = 0;
while (perm_controls[i] != 0) {
set_check_box(hwndDlg, perm_controls[i], min_mode & perms[i], max_mode & perms[i]);
i++;
}
if (various_uids) {
if (!load_string(module, IDS_VARIOUS, s))
throw last_error(GetLastError());
EnableWindow(GetDlgItem(hwndDlg, IDC_UID), 0);
} else
s = to_wstring(uid);
SetDlgItemTextW(hwndDlg, IDC_UID, s.c_str());
if (various_gids) {
if (!load_string(module, IDS_VARIOUS, s))
throw last_error(GetLastError());
EnableWindow(GetDlgItem(hwndDlg, IDC_GID), 0);
} else
s = to_wstring(gid);
SetDlgItemTextW(hwndDlg, IDC_GID, s.c_str());
ShowWindow(GetDlgItem(hwndDlg, IDC_SUBVOL_RO), has_subvols);
if (has_subvols)
set_check_box(hwndDlg, IDC_SUBVOL_RO, ro_subvol, various_ro ? (!ro_subvol) : ro_subvol);
if (!can_change_nocow)
EnableWindow(GetDlgItem(hwndDlg, IDC_NODATACOW), 0);
if (!can_change_perms) {
i = 0;
while (perm_controls[i] != 0) {
EnableWindow(GetDlgItem(hwndDlg, perm_controls[i]), 0);
i++;
}
EnableWindow(GetDlgItem(hwndDlg, IDC_UID), 0);
EnableWindow(GetDlgItem(hwndDlg, IDC_GID), 0);
EnableWindow(GetDlgItem(hwndDlg, IDC_SETUID), 0);
}
if (readonly) {
EnableWindow(GetDlgItem(hwndDlg, IDC_NODATACOW), 0);
EnableWindow(GetDlgItem(hwndDlg, IDC_COMPRESS), 0);
EnableWindow(GetDlgItem(hwndDlg, IDC_COMPRESS_TYPE), 0);
}
if (show_admin_button) {
SendMessageW(GetDlgItem(hwndDlg, IDC_OPEN_ADMIN), BCM_SETSHIELD, 0, true);
ShowWindow(GetDlgItem(hwndDlg, IDC_OPEN_ADMIN), SW_SHOW);
} else
ShowWindow(GetDlgItem(hwndDlg, IDC_OPEN_ADMIN), SW_HIDE);
}
static INT_PTR CALLBACK PropSheetDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
try {
switch (uMsg) {
case WM_INITDIALOG:
{
PROPSHEETPAGEW* psp = (PROPSHEETPAGEW*)lParam;
BtrfsPropSheet* bps = (BtrfsPropSheet*)psp->lParam;
EnableThemeDialogTexture(hwndDlg, ETDT_ENABLETAB);
SetWindowLongPtrW(hwndDlg, GWLP_USERDATA, (LONG_PTR)bps);
bps->init_propsheet(hwndDlg);
return false;
}
case WM_COMMAND:
{
BtrfsPropSheet* bps = (BtrfsPropSheet*)GetWindowLongPtrW(hwndDlg, GWLP_USERDATA);
if (bps && !bps->readonly) {
switch (HIWORD(wParam)) {
case BN_CLICKED: {
switch (LOWORD(wParam)) {
case IDC_NODATACOW:
bps->change_inode_flag(hwndDlg, BTRFS_INODE_NODATACOW, IsDlgButtonChecked(hwndDlg, LOWORD(wParam)));
break;
case IDC_COMPRESS:
bps->change_inode_flag(hwndDlg, BTRFS_INODE_COMPRESS, IsDlgButtonChecked(hwndDlg, LOWORD(wParam)));
EnableWindow(GetDlgItem(hwndDlg, IDC_COMPRESS_TYPE), IsDlgButtonChecked(hwndDlg, LOWORD(wParam)) != BST_UNCHECKED);
break;
case IDC_USERR:
bps->change_perm_flag(hwndDlg, S_IRUSR, IsDlgButtonChecked(hwndDlg, LOWORD(wParam)));
break;
case IDC_USERW:
bps->change_perm_flag(hwndDlg, S_IWUSR, IsDlgButtonChecked(hwndDlg, LOWORD(wParam)));
break;
case IDC_USERX:
bps->change_perm_flag(hwndDlg, S_IXUSR, IsDlgButtonChecked(hwndDlg, LOWORD(wParam)));
break;
case IDC_GROUPR:
bps->change_perm_flag(hwndDlg, S_IRGRP, IsDlgButtonChecked(hwndDlg, LOWORD(wParam)));
break;
case IDC_GROUPW:
bps->change_perm_flag(hwndDlg, S_IWGRP, IsDlgButtonChecked(hwndDlg, LOWORD(wParam)));
break;
case IDC_GROUPX:
bps->change_perm_flag(hwndDlg, S_IXGRP, IsDlgButtonChecked(hwndDlg, LOWORD(wParam)));
break;
case IDC_OTHERR:
bps->change_perm_flag(hwndDlg, S_IROTH, IsDlgButtonChecked(hwndDlg, LOWORD(wParam)));
break;
case IDC_OTHERW:
bps->change_perm_flag(hwndDlg, S_IWOTH, IsDlgButtonChecked(hwndDlg, LOWORD(wParam)));
break;
case IDC_OTHERX:
bps->change_perm_flag(hwndDlg, S_IXOTH, IsDlgButtonChecked(hwndDlg, LOWORD(wParam)));
break;
case IDC_SETUID:
bps->change_perm_flag(hwndDlg, S_ISUID, IsDlgButtonChecked(hwndDlg, LOWORD(wParam)));
break;
case IDC_SETGID:
bps->change_perm_flag(hwndDlg, S_ISGID, IsDlgButtonChecked(hwndDlg, LOWORD(wParam)));
break;
case IDC_STICKY:
bps->change_perm_flag(hwndDlg, S_ISVTX, IsDlgButtonChecked(hwndDlg, LOWORD(wParam)));
break;
case IDC_SUBVOL_RO:
switch (IsDlgButtonChecked(hwndDlg, LOWORD(wParam))) {
case BST_CHECKED:
bps->ro_subvol = true;
bps->ro_changed = true;
break;
case BST_UNCHECKED:
bps->ro_subvol = false;
bps->ro_changed = true;
break;
case BST_INDETERMINATE:
bps->ro_changed = false;
break;
}
SendMessageW(GetParent(hwndDlg), PSM_CHANGED, (WPARAM)hwndDlg, 0);
break;
case IDC_OPEN_ADMIN:
bps->open_as_admin(hwndDlg);
break;
}
break;
}
case EN_CHANGE: {
switch (LOWORD(wParam)) {
case IDC_UID: {
WCHAR s[255];
GetDlgItemTextW(hwndDlg, LOWORD(wParam), s, sizeof(s) / sizeof(WCHAR));
bps->change_uid(hwndDlg, _wtoi(s));
break;
}
case IDC_GID: {
WCHAR s[255];
GetDlgItemTextW(hwndDlg, LOWORD(wParam), s, sizeof(s) / sizeof(WCHAR));
bps->change_gid(hwndDlg, _wtoi(s));
break;
}
}
break;
}
case CBN_SELCHANGE: {
switch (LOWORD(wParam)) {
case IDC_COMPRESS_TYPE: {
auto sel = SendMessageW(GetDlgItem(hwndDlg, LOWORD(wParam)), CB_GETCURSEL, 0, 0);
if (bps->min_compression_type != bps->max_compression_type) {
if (sel == 0)
bps->compress_type_changed = false;
else {
bps->compress_type = (uint8_t)(sel - 1);
bps->compress_type_changed = true;
}
} else {
bps->compress_type = (uint8_t)sel;
bps->compress_type_changed = true;
}
SendMessageW(GetParent(hwndDlg), PSM_CHANGED, (WPARAM)hwndDlg, 0);
break;
}
}
break;
}
}
}
break;
}
case WM_NOTIFY:
{
switch (((LPNMHDR)lParam)->code) {
case PSN_KILLACTIVE:
SetWindowLongPtrW(hwndDlg, DWLP_MSGRESULT, false);
break;
case PSN_APPLY: {
BtrfsPropSheet* bps = (BtrfsPropSheet*)GetWindowLongPtrW(hwndDlg, GWLP_USERDATA);
bps->apply_changes(hwndDlg);
SetWindowLongPtrW(hwndDlg, DWLP_MSGRESULT, PSNRET_NOERROR);
break;
}
case NM_CLICK:
case NM_RETURN: {
if (((LPNMHDR)lParam)->hwndFrom == GetDlgItem(hwndDlg, IDC_SIZE_ON_DISK)) {
PNMLINK pNMLink = (PNMLINK)lParam;
if (pNMLink->item.iLink == 0)
DialogBoxParamW(module, MAKEINTRESOURCEW(IDD_SIZE_DETAILS), hwndDlg, SizeDetailsDlgProc, GetWindowLongPtrW(hwndDlg, GWLP_USERDATA));
}
break;
}
}
}
case WM_TIMER:
{
BtrfsPropSheet* bps = (BtrfsPropSheet*)GetWindowLongPtrW(hwndDlg, GWLP_USERDATA);
if (bps) {
bps->set_size_on_disk(hwndDlg);
if (!bps->thread)
KillTimer(hwndDlg, 1);
}
break;
}
}
} catch (const exception& e) {
error_message(hwndDlg, e.what());
}
return false;
}
HRESULT __stdcall BtrfsPropSheet::AddPages(LPFNADDPROPSHEETPAGE pfnAddPage, LPARAM lParam) {
try {
PROPSHEETPAGEW psp;
HPROPSHEETPAGE hPage;
INITCOMMONCONTROLSEX icex;
if (ignore)
return S_OK;
icex.dwSize = sizeof(icex);
icex.dwICC = ICC_LINK_CLASS;
if (!InitCommonControlsEx(&icex))
throw string_error(IDS_INITCOMMONCONTROLSEX_FAILED);
psp.dwSize = sizeof(psp);
psp.dwFlags = PSP_USEREFPARENT | PSP_USETITLE;
psp.hInstance = module;
psp.pszTemplate = MAKEINTRESOURCEW(IDD_PROP_SHEET);
psp.hIcon = 0;
psp.pszTitle = MAKEINTRESOURCEW(IDS_PROP_SHEET_TITLE);
psp.pfnDlgProc = (DLGPROC)PropSheetDlgProc;
psp.pcRefParent = (UINT*)&objs_loaded;
psp.pfnCallback = nullptr;
psp.lParam = (LPARAM)this;
hPage = CreatePropertySheetPageW(&psp);
if (hPage) {
if (pfnAddPage(hPage, lParam)) {
this->AddRef();
return S_OK;
} else
DestroyPropertySheetPage(hPage);
} else
return E_OUTOFMEMORY;
} catch (const exception& e) {
error_message(nullptr, e.what());
}
return E_FAIL;
}
HRESULT __stdcall BtrfsPropSheet::ReplacePage(UINT uPageID, LPFNADDPROPSHEETPAGE pfnReplacePage, LPARAM lParam) {
return S_OK;
}
#ifdef __cplusplus
extern "C" {
#endif
void CALLBACK ShowPropSheetW(HWND hwnd, HINSTANCE hinst, LPWSTR lpszCmdLine, int nCmdShow) {
try {
BtrfsPropSheet bps;
PROPSHEETPAGEW psp;
PROPSHEETHEADERW psh;
INITCOMMONCONTROLSEX icex;
wstring title;
set_dpi_aware();
load_string(module, IDS_STANDALONE_PROPSHEET_TITLE, title);
bps.set_cmdline(lpszCmdLine);
icex.dwSize = sizeof(icex);
icex.dwICC = ICC_LINK_CLASS;
if (!InitCommonControlsEx(&icex))
throw string_error(IDS_INITCOMMONCONTROLSEX_FAILED);
psp.dwSize = sizeof(psp);
psp.dwFlags = PSP_USETITLE;
psp.hInstance = module;
psp.pszTemplate = MAKEINTRESOURCEW(IDD_PROP_SHEET);
psp.hIcon = 0;
psp.pszTitle = MAKEINTRESOURCEW(IDS_PROP_SHEET_TITLE);
psp.pfnDlgProc = (DLGPROC)PropSheetDlgProc;
psp.pfnCallback = nullptr;
psp.lParam = (LPARAM)&bps;
memset(&psh, 0, sizeof(PROPSHEETHEADERW));
psh.dwSize = sizeof(PROPSHEETHEADERW);
psh.dwFlags = PSH_PROPSHEETPAGE;
psh.hwndParent = hwnd;
psh.hInstance = psp.hInstance;
psh.pszCaption = title.c_str();
psh.nPages = 1;
psh.ppsp = &psp;
if (PropertySheetW(&psh) < 0)
throw last_error(GetLastError());
} catch (const exception& e) {
error_message(hwnd, e.what());
}
}
#ifdef __cplusplus
}
#endif
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