mirror of
https://github.com/reactos/reactos.git
synced 2024-09-10 04:42:00 +00:00
740 lines
21 KiB
C++
740 lines
21 KiB
C++
/* Copyright (c) Mark Harmstone 2016-17
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*
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* This file is part of WinBtrfs.
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*
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* WinBtrfs is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public Licence as published by
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* the Free Software Foundation, either version 3 of the Licence, or
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* (at your option) any later version.
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*
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* WinBtrfs is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public Licence for more details.
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*
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* You should have received a copy of the GNU Lesser General Public Licence
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* along with WinBtrfs. If not, see <http://www.gnu.org/licenses/>. */
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#include "shellext.h"
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#include <windows.h>
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#include <commctrl.h>
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#include <strsafe.h>
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#include <stddef.h>
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#include "factory.h"
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#include "resource.h"
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static const GUID CLSID_ShellBtrfsIconHandler = { 0x2690b74f, 0xf353, 0x422d, { 0xbb, 0x12, 0x40, 0x15, 0x81, 0xee, 0xf8, 0xf0 } };
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static const GUID CLSID_ShellBtrfsContextMenu = { 0x2690b74f, 0xf353, 0x422d, { 0xbb, 0x12, 0x40, 0x15, 0x81, 0xee, 0xf8, 0xf1 } };
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static const GUID CLSID_ShellBtrfsPropSheet = { 0x2690b74f, 0xf353, 0x422d, { 0xbb, 0x12, 0x40, 0x15, 0x81, 0xee, 0xf8, 0xf2 } };
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static const GUID CLSID_ShellBtrfsVolPropSheet = { 0x2690b74f, 0xf353, 0x422d, { 0xbb, 0x12, 0x40, 0x15, 0x81, 0xee, 0xf8, 0xf3 } };
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#define COM_DESCRIPTION_ICON_HANDLER L"WinBtrfs shell extension (icon handler)"
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#define COM_DESCRIPTION_CONTEXT_MENU L"WinBtrfs shell extension (context menu)"
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#define COM_DESCRIPTION_PROP_SHEET L"WinBtrfs shell extension (property sheet)"
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#define COM_DESCRIPTION_VOL_PROP_SHEET L"WinBtrfs shell extension (volume property sheet)"
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#define ICON_OVERLAY_NAME L"WinBtrfs"
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typedef enum _PROCESS_DPI_AWARENESS {
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PROCESS_DPI_UNAWARE,
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PROCESS_SYSTEM_DPI_AWARE,
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PROCESS_PER_MONITOR_DPI_AWARE
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} PROCESS_DPI_AWARENESS;
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typedef ULONG (WINAPI *_RtlNtStatusToDosError)(NTSTATUS Status);
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typedef HRESULT (WINAPI *_SetProcessDpiAwareness)(PROCESS_DPI_AWARENESS value);
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HMODULE module;
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LONG objs_loaded = 0;
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void ShowError(HWND hwnd, ULONG err) {
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WCHAR* buf;
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if (FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
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err, 0, (WCHAR*)&buf, 0, NULL) == 0) {
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MessageBoxW(hwnd, L"FormatMessage failed", L"Error", MB_ICONERROR);
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return;
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}
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MessageBoxW(hwnd, buf, L"Error", MB_ICONERROR);
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LocalFree(buf);
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}
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void ShowStringError(HWND hwndDlg, int num, ...) {
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WCHAR title[255], s[1024], t[1024];
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va_list ap;
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if (!LoadStringW(module, IDS_ERROR, title, sizeof(title) / sizeof(WCHAR))) {
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ShowError(hwndDlg, GetLastError());
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return;
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}
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if (!LoadStringW(module, num, s, sizeof(s) / sizeof(WCHAR))) {
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ShowError(hwndDlg, GetLastError());
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return;
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}
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va_start(ap, num);
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#ifndef __REACTOS__
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vswprintf(t, sizeof(t) / sizeof(WCHAR), s, ap);
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#else
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vsnwprintf(t, sizeof(t) / sizeof(WCHAR), s, ap);
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#endif
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MessageBoxW(hwndDlg, t, title, MB_ICONERROR);
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va_end(ap);
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}
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void ShowNtStatusError(HWND hwnd, NTSTATUS Status) {
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_RtlNtStatusToDosError RtlNtStatusToDosError;
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HMODULE ntdll = LoadLibraryW(L"ntdll.dll");
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if (!ntdll) {
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MessageBoxW(hwnd, L"Error loading ntdll.dll", L"Error", MB_ICONERROR);
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return;
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}
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RtlNtStatusToDosError = (_RtlNtStatusToDosError)GetProcAddress(ntdll, "RtlNtStatusToDosError");
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if (!RtlNtStatusToDosError) {
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MessageBoxW(hwnd, L"Error loading RtlNtStatusToDosError in ntdll.dll", L"Error", MB_ICONERROR);
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FreeLibrary(ntdll);
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return;
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}
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ShowError(hwnd, RtlNtStatusToDosError(Status));
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FreeLibrary(ntdll);
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}
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void set_dpi_aware() {
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_SetProcessDpiAwareness SetProcessDpiAwareness;
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HMODULE shcore = LoadLibraryW(L"shcore.dll");
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if (!shcore)
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return;
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SetProcessDpiAwareness = (_SetProcessDpiAwareness)GetProcAddress(shcore, "SetProcessDpiAwareness");
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if (!SetProcessDpiAwareness)
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return;
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SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE);
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}
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void format_size(UINT64 size, WCHAR* s, ULONG len, BOOL show_bytes) {
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WCHAR nb[255], nb2[255], t[255], bytes[255];
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WCHAR kb[255];
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ULONG sr;
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float f;
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NUMBERFMTW fmt;
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WCHAR thou[4], grouping[64], *c;
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_i64tow(size, nb, 10);
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GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, thou, sizeof(thou) / sizeof(WCHAR));
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fmt.NumDigits = 0;
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fmt.LeadingZero = 1;
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fmt.lpDecimalSep = (LPWSTR)L"."; // not used
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fmt.lpThousandSep = thou;
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fmt.NegativeOrder = 0;
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// Grouping code copied from dlls/shlwapi/string.c in Wine - thank you
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fmt.Grouping = 0;
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GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SGROUPING, grouping, sizeof(grouping) / sizeof(WCHAR));
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c = grouping;
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while (*c) {
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if (*c >= '0' && *c < '9') {
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fmt.Grouping *= 10;
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fmt.Grouping += *c - '0';
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}
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c++;
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}
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if (fmt.Grouping % 10 == 0)
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fmt.Grouping /= 10;
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else
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fmt.Grouping *= 10;
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GetNumberFormatW(LOCALE_USER_DEFAULT, 0, nb, &fmt, nb2, sizeof(nb2) / sizeof(WCHAR));
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if (size < 1024) {
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if (!LoadStringW(module, size == 1 ? IDS_SIZE_BYTE : IDS_SIZE_BYTES, t, sizeof(t) / sizeof(WCHAR))) {
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ShowError(NULL, GetLastError());
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return;
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}
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if (StringCchPrintfW(s, len, t, nb2) == STRSAFE_E_INSUFFICIENT_BUFFER) {
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ShowError(NULL, ERROR_INSUFFICIENT_BUFFER);
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return;
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}
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return;
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}
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if (show_bytes) {
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if (!LoadStringW(module, IDS_SIZE_BYTES, t, sizeof(t) / sizeof(WCHAR))) {
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ShowError(NULL, GetLastError());
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return;
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}
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if (StringCchPrintfW(bytes, sizeof(bytes) / sizeof(WCHAR), t, nb2) == STRSAFE_E_INSUFFICIENT_BUFFER) {
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ShowError(NULL, ERROR_INSUFFICIENT_BUFFER);
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return;
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}
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}
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if (size >= 1152921504606846976) {
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sr = IDS_SIZE_EB;
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f = (float)size / 1152921504606846976.0f;
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} else if (size >= 1125899906842624) {
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sr = IDS_SIZE_PB;
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f = (float)size / 1125899906842624.0f;
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} else if (size >= 1099511627776) {
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sr = IDS_SIZE_TB;
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f = (float)size / 1099511627776.0f;
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} else if (size >= 1073741824) {
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sr = IDS_SIZE_GB;
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f = (float)size / 1073741824.0f;
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} else if (size >= 1048576) {
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sr = IDS_SIZE_MB;
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f = (float)size / 1048576.0f;
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} else {
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sr = IDS_SIZE_KB;
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f = (float)size / 1024.0f;
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}
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if (!LoadStringW(module, sr, t, sizeof(t) / sizeof(WCHAR))) {
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ShowError(NULL, GetLastError());
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return;
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}
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if (show_bytes) {
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if (StringCchPrintfW(kb, sizeof(kb) / sizeof(WCHAR), t, f) == STRSAFE_E_INSUFFICIENT_BUFFER) {
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ShowError(NULL, ERROR_INSUFFICIENT_BUFFER);
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return;
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}
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if (!LoadStringW(module, IDS_SIZE_LARGE, t, sizeof(t) / sizeof(WCHAR))) {
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ShowError(NULL, GetLastError());
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return;
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}
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if (StringCchPrintfW(s, len, t, kb, bytes) == STRSAFE_E_INSUFFICIENT_BUFFER) {
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ShowError(NULL, ERROR_INSUFFICIENT_BUFFER);
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return;
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}
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} else {
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if (StringCchPrintfW(s, len, t, f) == STRSAFE_E_INSUFFICIENT_BUFFER) {
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ShowError(NULL, ERROR_INSUFFICIENT_BUFFER);
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return;
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}
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}
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}
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std::wstring format_message(ULONG last_error) {
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WCHAR* buf;
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std::wstring s;
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if (FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
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last_error, 0, (WCHAR*)&buf, 0, NULL) == 0) {
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return L"(error retrieving message)";
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}
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s = buf;
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LocalFree(buf);
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// remove trailing newline
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while (s.length() > 0 && (s.substr(s.length() - 1, 1) == L"\r" || s.substr(s.length() - 1, 1) == L"\n"))
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s = s.substr(0, s.length() - 1);
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return s;
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}
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std::wstring format_ntstatus(NTSTATUS Status) {
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_RtlNtStatusToDosError RtlNtStatusToDosError;
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std::wstring s;
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HMODULE ntdll = LoadLibraryW(L"ntdll.dll");
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if (!ntdll)
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return L"(error loading ntdll.dll)";
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RtlNtStatusToDosError = (_RtlNtStatusToDosError)GetProcAddress(ntdll, "RtlNtStatusToDosError");
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if (!RtlNtStatusToDosError) {
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FreeLibrary(ntdll);
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return L"(error loading RtlNtStatusToDosError)";
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}
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s = format_message(RtlNtStatusToDosError(Status));
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FreeLibrary(ntdll);
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return s;
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}
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#ifdef __cplusplus
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extern "C" {
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#endif
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STDAPI DllCanUnloadNow(void) {
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return objs_loaded == 0 ? S_OK : S_FALSE;
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}
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STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv) {
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if (rclsid == CLSID_ShellBtrfsIconHandler) {
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Factory* fact = new Factory;
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if (!fact)
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return E_OUTOFMEMORY;
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else {
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fact->type = FactoryIconHandler;
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return fact->QueryInterface(riid, ppv);
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}
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} else if (rclsid == CLSID_ShellBtrfsContextMenu) {
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Factory* fact = new Factory;
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if (!fact)
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return E_OUTOFMEMORY;
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else {
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fact->type = FactoryContextMenu;
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return fact->QueryInterface(riid, ppv);
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}
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} else if (rclsid == CLSID_ShellBtrfsPropSheet) {
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Factory* fact = new Factory;
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if (!fact)
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return E_OUTOFMEMORY;
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else {
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fact->type = FactoryPropSheet;
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return fact->QueryInterface(riid, ppv);
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}
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} else if (rclsid == CLSID_ShellBtrfsVolPropSheet) {
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Factory* fact = new Factory;
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if (!fact)
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return E_OUTOFMEMORY;
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else {
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fact->type = FactoryVolPropSheet;
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return fact->QueryInterface(riid, ppv);
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}
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}
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return CLASS_E_CLASSNOTAVAILABLE;
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}
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static BOOL write_reg_key(HKEY root, const WCHAR* keyname, const WCHAR* val, DWORD type, const BYTE* data, DWORD datasize) {
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LONG l;
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HKEY hk;
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DWORD dispos;
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l = RegCreateKeyExW(root, keyname, 0, NULL, 0, KEY_ALL_ACCESS, NULL, &hk, &dispos);
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if (l != ERROR_SUCCESS) {
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WCHAR s[255];
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wsprintfW(s, L"RegCreateKey returned %08x", l);
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MessageBoxW(0, s, NULL, MB_ICONERROR);
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return FALSE;
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}
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l = RegSetValueExW(hk, val, 0, type, data, datasize);
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if (l != ERROR_SUCCESS) {
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WCHAR s[255];
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wsprintfW(s, L"RegSetValueEx returned %08x", l);
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MessageBoxW(0, s, NULL, MB_ICONERROR);
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return FALSE;
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}
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l = RegCloseKey(hk);
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if (l != ERROR_SUCCESS) {
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WCHAR s[255];
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wsprintfW(s, L"RegCloseKey returned %08x", l);
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MessageBoxW(0, s, NULL, MB_ICONERROR);
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return FALSE;
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}
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return TRUE;
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}
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static BOOL register_clsid(const GUID clsid, const WCHAR* description) {
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WCHAR* clsidstring;
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WCHAR inproc[MAX_PATH], progid[MAX_PATH], clsidkeyname[MAX_PATH], dllpath[MAX_PATH];
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BOOL ret = FALSE;
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StringFromCLSID(clsid, &clsidstring);
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wsprintfW(inproc, L"CLSID\\%s\\InprocServer32", clsidstring);
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wsprintfW(progid, L"CLSID\\%s\\ProgId", clsidstring);
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wsprintfW(clsidkeyname, L"CLSID\\%s", clsidstring);
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if (!write_reg_key(HKEY_CLASSES_ROOT, clsidkeyname, NULL, REG_SZ, (BYTE*)description, (wcslen(description) + 1) * sizeof(WCHAR)))
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goto end;
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GetModuleFileNameW(module, dllpath, sizeof(dllpath));
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if (!write_reg_key(HKEY_CLASSES_ROOT, inproc, NULL, REG_SZ, (BYTE*)dllpath, (wcslen(dllpath) + 1) * sizeof(WCHAR)))
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goto end;
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if (!write_reg_key(HKEY_CLASSES_ROOT, inproc, L"ThreadingModel", REG_SZ, (BYTE*)L"Apartment", (wcslen(L"Apartment") + 1) * sizeof(WCHAR)))
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goto end;
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ret = TRUE;
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end:
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CoTaskMemFree(clsidstring);
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return ret;
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}
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static BOOL unregister_clsid(const GUID clsid) {
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WCHAR* clsidstring;
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WCHAR clsidkeyname[MAX_PATH];
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BOOL ret = FALSE;
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LONG l;
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StringFromCLSID(clsid, &clsidstring);
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wsprintfW(clsidkeyname, L"CLSID\\%s", clsidstring);
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l = RegDeleteTreeW(HKEY_CLASSES_ROOT, clsidkeyname);
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if (l != ERROR_SUCCESS) {
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WCHAR s[255];
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wsprintfW(s, L"RegDeleteTree returned %08x", l);
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MessageBoxW(0, s, NULL, MB_ICONERROR);
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ret = FALSE;
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} else
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ret = TRUE;
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CoTaskMemFree(clsidstring);
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return ret;
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}
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static BOOL reg_icon_overlay(const GUID clsid, const WCHAR* name) {
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WCHAR path[MAX_PATH];
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WCHAR* clsidstring;
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BOOL ret = FALSE;
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StringFromCLSID(clsid, &clsidstring);
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wcscpy(path, L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\ShellIconOverlayIdentifiers\\");
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wcscat(path, name);
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if (!write_reg_key(HKEY_LOCAL_MACHINE, path, NULL, REG_SZ, (BYTE*)clsidstring, (wcslen(clsidstring) + 1) * sizeof(WCHAR)))
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goto end;
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ret = TRUE;
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end:
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CoTaskMemFree(clsidstring);
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return ret;
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}
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static BOOL unreg_icon_overlay(const WCHAR* name) {
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WCHAR path[MAX_PATH];
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LONG l;
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wcscpy(path, L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\ShellIconOverlayIdentifiers\\");
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wcscat(path, name);
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l = RegDeleteTreeW(HKEY_LOCAL_MACHINE, path);
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if (l != ERROR_SUCCESS) {
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WCHAR s[255];
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wsprintfW(s, L"RegDeleteTree returned %08x", l);
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MessageBoxW(0, s, NULL, MB_ICONERROR);
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return FALSE;
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} else
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return TRUE;
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}
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static BOOL reg_context_menu_handler(const GUID clsid, const WCHAR* filetype, const WCHAR* name) {
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WCHAR path[MAX_PATH];
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WCHAR* clsidstring;
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BOOL ret = FALSE;
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StringFromCLSID(clsid, &clsidstring);
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wcscpy(path, filetype);
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wcscat(path, L"\\ShellEx\\ContextMenuHandlers\\");
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wcscat(path, name);
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if (!write_reg_key(HKEY_CLASSES_ROOT, path, NULL, REG_SZ, (BYTE*)clsidstring, (wcslen(clsidstring) + 1) * sizeof(WCHAR)))
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goto end;
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ret = TRUE;
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end:
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CoTaskMemFree(clsidstring);
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return ret;
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}
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static BOOL unreg_context_menu_handler(const WCHAR* filetype, const WCHAR* name) {
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WCHAR path[MAX_PATH];
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LONG l;
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wcscpy(path, filetype);
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|
wcscat(path, L"\\ShellEx\\ContextMenuHandlers\\");
|
|
wcscat(path, name);
|
|
|
|
l = RegDeleteTreeW(HKEY_CLASSES_ROOT, path);
|
|
|
|
if (l != ERROR_SUCCESS) {
|
|
WCHAR s[255];
|
|
wsprintfW(s, L"RegDeleteTree returned %08x", l);
|
|
MessageBoxW(0, s, NULL, MB_ICONERROR);
|
|
|
|
return FALSE;
|
|
} else
|
|
return TRUE;
|
|
}
|
|
|
|
static BOOL reg_prop_sheet_handler(const GUID clsid, const WCHAR* filetype, const WCHAR* name) {
|
|
WCHAR path[MAX_PATH];
|
|
WCHAR* clsidstring;
|
|
BOOL ret = FALSE;
|
|
|
|
StringFromCLSID(clsid, &clsidstring);
|
|
|
|
wcscpy(path, filetype);
|
|
wcscat(path, L"\\ShellEx\\PropertySheetHandlers\\");
|
|
wcscat(path, name);
|
|
|
|
if (!write_reg_key(HKEY_CLASSES_ROOT, path, NULL, REG_SZ, (BYTE*)clsidstring, (wcslen(clsidstring) + 1) * sizeof(WCHAR)))
|
|
goto end;
|
|
|
|
ret = TRUE;
|
|
|
|
end:
|
|
CoTaskMemFree(clsidstring);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static BOOL unreg_prop_sheet_handler(const WCHAR* filetype, const WCHAR* name) {
|
|
WCHAR path[MAX_PATH];
|
|
LONG l;
|
|
|
|
wcscpy(path, filetype);
|
|
wcscat(path, L"\\ShellEx\\PropertySheetHandlers\\");
|
|
wcscat(path, name);
|
|
|
|
l = RegDeleteTreeW(HKEY_CLASSES_ROOT, path);
|
|
|
|
if (l != ERROR_SUCCESS) {
|
|
WCHAR s[255];
|
|
wsprintfW(s, L"RegDeleteTree returned %08x", l);
|
|
MessageBoxW(0, s, NULL, MB_ICONERROR);
|
|
|
|
return FALSE;
|
|
} else
|
|
return TRUE;
|
|
}
|
|
|
|
STDAPI DllRegisterServer(void) {
|
|
if (!register_clsid(CLSID_ShellBtrfsIconHandler, COM_DESCRIPTION_ICON_HANDLER))
|
|
return E_FAIL;
|
|
|
|
if (!register_clsid(CLSID_ShellBtrfsContextMenu, COM_DESCRIPTION_CONTEXT_MENU))
|
|
return E_FAIL;
|
|
|
|
if (!register_clsid(CLSID_ShellBtrfsPropSheet, COM_DESCRIPTION_PROP_SHEET))
|
|
return E_FAIL;
|
|
|
|
if (!register_clsid(CLSID_ShellBtrfsVolPropSheet, COM_DESCRIPTION_VOL_PROP_SHEET))
|
|
return E_FAIL;
|
|
|
|
if (!reg_icon_overlay(CLSID_ShellBtrfsIconHandler, ICON_OVERLAY_NAME)) {
|
|
MessageBoxW(0, L"Failed to register icon overlay.", NULL, MB_ICONERROR);
|
|
return E_FAIL;
|
|
}
|
|
|
|
if (!reg_context_menu_handler(CLSID_ShellBtrfsContextMenu, L"Directory\\Background", ICON_OVERLAY_NAME)) {
|
|
MessageBoxW(0, L"Failed to register context menu handler.", NULL, MB_ICONERROR);
|
|
return E_FAIL;
|
|
}
|
|
|
|
if (!reg_context_menu_handler(CLSID_ShellBtrfsContextMenu, L"Folder", ICON_OVERLAY_NAME)) {
|
|
MessageBoxW(0, L"Failed to register context menu handler.", NULL, MB_ICONERROR);
|
|
return E_FAIL;
|
|
}
|
|
|
|
if (!reg_prop_sheet_handler(CLSID_ShellBtrfsPropSheet, L"Folder", ICON_OVERLAY_NAME)) {
|
|
MessageBoxW(0, L"Failed to register property sheet handler.", NULL, MB_ICONERROR);
|
|
return E_FAIL;
|
|
}
|
|
|
|
if (!reg_prop_sheet_handler(CLSID_ShellBtrfsPropSheet, L"*", ICON_OVERLAY_NAME)) {
|
|
MessageBoxW(0, L"Failed to register property sheet handler.", NULL, MB_ICONERROR);
|
|
return E_FAIL;
|
|
}
|
|
|
|
if (!reg_prop_sheet_handler(CLSID_ShellBtrfsVolPropSheet, L"Drive", ICON_OVERLAY_NAME)) {
|
|
MessageBoxW(0, L"Failed to register volume property sheet handler.", NULL, MB_ICONERROR);
|
|
return E_FAIL;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDAPI DllUnregisterServer(void) {
|
|
unreg_prop_sheet_handler(L"Folder", ICON_OVERLAY_NAME);
|
|
unreg_prop_sheet_handler(L"*", ICON_OVERLAY_NAME);
|
|
unreg_prop_sheet_handler(L"Drive", ICON_OVERLAY_NAME);
|
|
unreg_context_menu_handler(L"Folder", ICON_OVERLAY_NAME);
|
|
unreg_context_menu_handler(L"Directory\\Background", ICON_OVERLAY_NAME);
|
|
unreg_icon_overlay(ICON_OVERLAY_NAME);
|
|
|
|
if (!unregister_clsid(CLSID_ShellBtrfsVolPropSheet))
|
|
return E_FAIL;
|
|
|
|
if (!unregister_clsid(CLSID_ShellBtrfsPropSheet))
|
|
return E_FAIL;
|
|
|
|
if (!unregister_clsid(CLSID_ShellBtrfsContextMenu))
|
|
return E_FAIL;
|
|
|
|
if (!unregister_clsid(CLSID_ShellBtrfsIconHandler))
|
|
return E_FAIL;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDAPI DllInstall(BOOL bInstall, LPCWSTR pszCmdLine) {
|
|
if (bInstall)
|
|
return DllRegisterServer();
|
|
else
|
|
return DllUnregisterServer();
|
|
}
|
|
|
|
BOOL APIENTRY DllMain(HANDLE hModule, DWORD dwReason, void* lpReserved) {
|
|
if (dwReason == DLL_PROCESS_ATTACH)
|
|
module = (HMODULE)hModule;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void create_subvol(std::wstring fn) {
|
|
size_t found = fn.rfind(L"\\");
|
|
std::wstring path, file;
|
|
HANDLE h;
|
|
ULONG bcslen;
|
|
btrfs_create_subvol* bcs;
|
|
IO_STATUS_BLOCK iosb;
|
|
|
|
if (found == std::wstring::npos) {
|
|
path = L"";
|
|
file = fn;
|
|
} else {
|
|
path = fn.substr(0, found);
|
|
file = fn.substr(found + 1);
|
|
}
|
|
path += L"\\";
|
|
|
|
h = CreateFileW(path.c_str(), FILE_ADD_SUBDIRECTORY, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
|
|
|
|
if (h == INVALID_HANDLE_VALUE)
|
|
return;
|
|
|
|
bcslen = offsetof(btrfs_create_subvol, name[0]) + (file.length() * sizeof(WCHAR));
|
|
bcs = (btrfs_create_subvol*)malloc(bcslen);
|
|
|
|
bcs->readonly = FALSE;
|
|
bcs->posix = FALSE;
|
|
bcs->namelen = file.length() * sizeof(WCHAR);
|
|
memcpy(bcs->name, file.c_str(), bcs->namelen);
|
|
|
|
NtFsControlFile(h, NULL, NULL, NULL, &iosb, FSCTL_BTRFS_CREATE_SUBVOL, bcs, bcslen, NULL, 0);
|
|
|
|
CloseHandle(h);
|
|
}
|
|
|
|
void CALLBACK CreateSubvolW(HWND hwnd, HINSTANCE hinst, LPWSTR lpszCmdLine, int nCmdShow) {
|
|
LPWSTR* args;
|
|
int num_args;
|
|
|
|
args = CommandLineToArgvW(lpszCmdLine, &num_args);
|
|
|
|
if (!args)
|
|
return;
|
|
|
|
if (num_args >= 1)
|
|
create_subvol(args[0]);
|
|
|
|
LocalFree(args);
|
|
}
|
|
|
|
static void create_snapshot2(std::wstring source, std::wstring fn) {
|
|
size_t found = fn.rfind(L"\\");
|
|
std::wstring path, file;
|
|
HANDLE h, src;
|
|
ULONG bcslen;
|
|
btrfs_create_snapshot* bcs;
|
|
IO_STATUS_BLOCK iosb;
|
|
|
|
if (found == std::wstring::npos) {
|
|
path = L"";
|
|
file = fn;
|
|
} else {
|
|
path = fn.substr(0, found);
|
|
file = fn.substr(found + 1);
|
|
}
|
|
path += L"\\";
|
|
|
|
src = CreateFileW(source.c_str(), FILE_TRAVERSE, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
|
|
if (src == INVALID_HANDLE_VALUE)
|
|
return;
|
|
|
|
h = CreateFileW(path.c_str(), FILE_ADD_SUBDIRECTORY, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
|
|
|
|
if (h == INVALID_HANDLE_VALUE) {
|
|
CloseHandle(src);
|
|
return;
|
|
}
|
|
|
|
bcslen = offsetof(btrfs_create_snapshot, name[0]) + (file.length() * sizeof(WCHAR));
|
|
bcs = (btrfs_create_snapshot*)malloc(bcslen);
|
|
|
|
bcs->readonly = FALSE;
|
|
bcs->posix = FALSE;
|
|
bcs->namelen = file.length() * sizeof(WCHAR);
|
|
memcpy(bcs->name, file.c_str(), bcs->namelen);
|
|
bcs->subvol = src;
|
|
|
|
NtFsControlFile(h, NULL, NULL, NULL, &iosb, FSCTL_BTRFS_CREATE_SNAPSHOT, bcs, bcslen, NULL, 0);
|
|
|
|
CloseHandle(h);
|
|
CloseHandle(src);
|
|
}
|
|
|
|
void CALLBACK CreateSnapshotW(HWND hwnd, HINSTANCE hinst, LPWSTR lpszCmdLine, int nCmdShow) {
|
|
LPWSTR* args;
|
|
int num_args;
|
|
|
|
args = CommandLineToArgvW(lpszCmdLine, &num_args);
|
|
|
|
if (!args)
|
|
return;
|
|
|
|
if (num_args >= 2)
|
|
create_snapshot2(args[0], args[1]);
|
|
|
|
LocalFree(args);
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|