mirror of
https://github.com/reactos/reactos.git
synced 2024-11-20 06:15:26 +00:00
b826992ab2
v1.7.5 (2020-10-31): - Fixed text display issue in shell extension - Added support for mingw 8 - Fixed LXSS permissions not working in new versions of Windows - Fixed issue where truncating an inline file wouldn't change its size - Fixed crash with Quibble where driver would try to use AVX2 before Windows had enabled it
732 lines
No EOL
25 KiB
C++
732 lines
No EOL
25 KiB
C++
/* Copyright (c) Mark Harmstone 2017
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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 "send.h"
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#include "resource.h"
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#include <stddef.h>
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#include <shlobj.h>
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#ifdef __REACTOS__
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#undef DeleteFile
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#endif
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#include <iostream>
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#define SEND_BUFFER_LEN 1048576
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DWORD BtrfsSend::Thread() {
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try {
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NTSTATUS Status;
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IO_STATUS_BLOCK iosb;
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btrfs_send_subvol* bss;
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btrfs_send_header header;
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btrfs_send_command end;
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ULONG i;
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buf = (char*)malloc(SEND_BUFFER_LEN);
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try {
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dirh = CreateFileW(subvol.c_str(), FILE_READ_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, nullptr);
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if (dirh == INVALID_HANDLE_VALUE)
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throw string_error(IDS_SEND_CANT_OPEN_DIR, subvol.c_str(), GetLastError(), format_message(GetLastError()).c_str());
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try {
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size_t bss_size = offsetof(btrfs_send_subvol, clones[0]) + (clones.size() * sizeof(HANDLE));
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bss = (btrfs_send_subvol*)malloc(bss_size);
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memset(bss, 0, bss_size);
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if (incremental) {
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WCHAR parent[MAX_PATH];
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HANDLE parenth;
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parent[0] = 0;
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GetDlgItemTextW(hwnd, IDC_PARENT_SUBVOL, parent, sizeof(parent) / sizeof(WCHAR));
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parenth = CreateFileW(parent, FILE_READ_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, nullptr);
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if (parenth == INVALID_HANDLE_VALUE)
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throw string_error(IDS_SEND_CANT_OPEN_DIR, parent, GetLastError(), format_message(GetLastError()).c_str());
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bss->parent = parenth;
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} else
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bss->parent = nullptr;
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bss->num_clones = (ULONG)clones.size();
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for (i = 0; i < bss->num_clones; i++) {
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HANDLE h;
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h = CreateFileW(clones[i].c_str(), FILE_READ_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, nullptr);
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if (h == INVALID_HANDLE_VALUE) {
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auto le = GetLastError();
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ULONG j;
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for (j = 0; j < i; j++) {
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CloseHandle(bss->clones[j]);
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}
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if (bss->parent) CloseHandle(bss->parent);
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throw string_error(IDS_SEND_CANT_OPEN_DIR, clones[i].c_str(), le, format_message(le).c_str());
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}
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bss->clones[i] = h;
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}
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Status = NtFsControlFile(dirh, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_SEND_SUBVOL, bss, (ULONG)bss_size, nullptr, 0);
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for (i = 0; i < bss->num_clones; i++) {
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CloseHandle(bss->clones[i]);
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}
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if (!NT_SUCCESS(Status)) {
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if (Status == (NTSTATUS)STATUS_INVALID_PARAMETER) {
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BY_HANDLE_FILE_INFORMATION fileinfo;
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if (!GetFileInformationByHandle(dirh, &fileinfo)) {
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auto le = GetLastError();
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if (bss->parent) CloseHandle(bss->parent);
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throw string_error(IDS_SEND_GET_FILE_INFO_FAILED, le, format_message(le).c_str());
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}
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if (!(fileinfo.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) {
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if (bss->parent) CloseHandle(bss->parent);
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throw string_error(IDS_SEND_NOT_READONLY);
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}
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if (bss->parent) {
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if (!GetFileInformationByHandle(bss->parent, &fileinfo)) {
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auto le = GetLastError();
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CloseHandle(bss->parent);
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throw string_error(IDS_SEND_GET_FILE_INFO_FAILED, le, format_message(le).c_str());
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}
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if (!(fileinfo.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) {
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CloseHandle(bss->parent);
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throw string_error(IDS_SEND_PARENT_NOT_READONLY);
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}
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}
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}
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if (bss->parent) CloseHandle(bss->parent);
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throw string_error(IDS_SEND_FSCTL_BTRFS_SEND_SUBVOL_FAILED, Status, format_ntstatus(Status).c_str());
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}
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if (bss->parent) CloseHandle(bss->parent);
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stream = CreateFileW(file, FILE_WRITE_DATA | DELETE, 0, nullptr, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
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if (stream == INVALID_HANDLE_VALUE)
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throw string_error(IDS_SEND_CANT_OPEN_FILE, file, GetLastError(), format_message(GetLastError()).c_str());
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try {
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memcpy(header.magic, BTRFS_SEND_MAGIC, sizeof(header.magic));
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header.version = 1;
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if (!WriteFile(stream, &header, sizeof(header), nullptr, nullptr))
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throw string_error(IDS_SEND_WRITEFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
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do {
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Status = NtFsControlFile(dirh, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_READ_SEND_BUFFER, nullptr, 0, buf, SEND_BUFFER_LEN);
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if (NT_SUCCESS(Status)) {
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if (!WriteFile(stream, buf, (DWORD)iosb.Information, nullptr, nullptr))
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throw string_error(IDS_SEND_WRITEFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
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}
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} while (NT_SUCCESS(Status));
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if (Status != STATUS_END_OF_FILE)
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throw string_error(IDS_SEND_FSCTL_BTRFS_READ_SEND_BUFFER_FAILED, Status, format_ntstatus(Status).c_str());
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end.length = 0;
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end.cmd = BTRFS_SEND_CMD_END;
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end.csum = 0x9dc96c50;
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if (!WriteFile(stream, &end, sizeof(end), nullptr, nullptr))
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throw string_error(IDS_SEND_WRITEFILE_FAILED, GetLastError(), format_message(GetLastError()).c_str());
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SetEndOfFile(stream);
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} catch (...) {
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FILE_DISPOSITION_INFO fdi;
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fdi.DeleteFile = true;
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Status = NtSetInformationFile(stream, &iosb, &fdi, sizeof(FILE_DISPOSITION_INFO), FileDispositionInformation);
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CloseHandle(stream);
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stream = INVALID_HANDLE_VALUE;
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if (!NT_SUCCESS(Status))
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throw ntstatus_error(Status);
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throw;
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}
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CloseHandle(stream);
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stream = INVALID_HANDLE_VALUE;
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} catch (...) {
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CloseHandle(dirh);
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dirh = INVALID_HANDLE_VALUE;
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throw;
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}
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CloseHandle(dirh);
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dirh = INVALID_HANDLE_VALUE;
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} catch (...) {
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free(buf);
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buf = nullptr;
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started = false;
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SetDlgItemTextW(hwnd, IDCANCEL, closetext);
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EnableWindow(GetDlgItem(hwnd, IDOK), true);
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EnableWindow(GetDlgItem(hwnd, IDC_STREAM_DEST), true);
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EnableWindow(GetDlgItem(hwnd, IDC_BROWSE), true);
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throw;
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}
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} catch (const exception& e) {
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auto msg = utf8_to_utf16(e.what());
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SetDlgItemTextW(hwnd, IDC_SEND_STATUS, msg.c_str());
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return 0;
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}
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free(buf);
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buf = nullptr;
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started = false;
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SetDlgItemTextW(hwnd, IDCANCEL, closetext);
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EnableWindow(GetDlgItem(hwnd, IDOK), true);
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EnableWindow(GetDlgItem(hwnd, IDC_STREAM_DEST), true);
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EnableWindow(GetDlgItem(hwnd, IDC_BROWSE), true);
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wstring success;
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load_string(module, IDS_SEND_SUCCESS, success);
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SetDlgItemTextW(hwnd, IDC_SEND_STATUS, success.c_str());
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return 0;
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}
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static DWORD WINAPI send_thread(LPVOID lpParameter) {
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BtrfsSend* bs = (BtrfsSend*)lpParameter;
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return bs->Thread();
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}
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void BtrfsSend::StartSend(HWND hwnd) {
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wstring s;
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HWND cl;
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if (started)
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return;
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GetDlgItemTextW(hwnd, IDC_STREAM_DEST, file, sizeof(file) / sizeof(WCHAR));
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if (file[0] == 0)
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return;
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if (incremental) {
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WCHAR parent[MAX_PATH];
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GetDlgItemTextW(hwnd, IDC_PARENT_SUBVOL, parent, sizeof(parent) / sizeof(WCHAR));
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if (parent[0] == 0)
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return;
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}
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started = true;
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wstring writing;
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load_string(module, IDS_SEND_WRITING, writing);
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SetDlgItemTextW(hwnd, IDC_SEND_STATUS, writing.c_str());
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load_string(module, IDS_SEND_CANCEL, s);
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SetDlgItemTextW(hwnd, IDCANCEL, s.c_str());
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EnableWindow(GetDlgItem(hwnd, IDOK), false);
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EnableWindow(GetDlgItem(hwnd, IDC_STREAM_DEST), false);
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EnableWindow(GetDlgItem(hwnd, IDC_BROWSE), false);
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clones.clear();
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cl = GetDlgItem(hwnd, IDC_CLONE_LIST);
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auto num_clones = SendMessageW(cl, LB_GETCOUNT, 0, 0);
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if (num_clones != LB_ERR) {
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for (unsigned int i = 0; i < (unsigned int)num_clones; i++) {
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WCHAR* t;
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auto len = SendMessageW(cl, LB_GETTEXTLEN, i, 0);
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t = (WCHAR*)malloc((len + 1) * sizeof(WCHAR));
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SendMessageW(cl, LB_GETTEXT, i, (LPARAM)t);
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clones.push_back(t);
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free(t);
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}
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}
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thread = CreateThread(nullptr, 0, send_thread, this, 0, nullptr);
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if (!thread)
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throw last_error(GetLastError());
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}
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void BtrfsSend::Browse(HWND hwnd) {
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OPENFILENAMEW ofn;
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file[0] = 0;
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memset(&ofn, 0, sizeof(OPENFILENAMEW));
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ofn.lStructSize = sizeof(OPENFILENAMEW);
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ofn.hwndOwner = hwnd;
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ofn.hInstance = module;
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ofn.lpstrFile = file;
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ofn.nMaxFile = sizeof(file) / sizeof(WCHAR);
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ofn.Flags = OFN_EXPLORER;
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if (!GetSaveFileNameW(&ofn))
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return;
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SetDlgItemTextW(hwnd, IDC_STREAM_DEST, file);
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}
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void BtrfsSend::BrowseParent(HWND hwnd) {
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BROWSEINFOW bi;
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PIDLIST_ABSOLUTE root, pidl;
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HRESULT hr;
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WCHAR parent[MAX_PATH], volpathw[MAX_PATH];
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NTSTATUS Status;
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IO_STATUS_BLOCK iosb;
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btrfs_get_file_ids bgfi;
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if (!GetVolumePathNameW(subvol.c_str(), volpathw, (sizeof(volpathw) / sizeof(WCHAR)) - 1))
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throw string_error(IDS_RECV_GETVOLUMEPATHNAME_FAILED, GetLastError(), format_message(GetLastError()).c_str());
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hr = SHParseDisplayName(volpathw, 0, &root, 0, 0);
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if (FAILED(hr))
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throw string_error(IDS_SHPARSEDISPLAYNAME_FAILED);
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memset(&bi, 0, sizeof(BROWSEINFOW));
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bi.hwndOwner = hwnd;
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bi.pidlRoot = root;
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bi.ulFlags = BIF_RETURNONLYFSDIRS | BIF_USENEWUI | BIF_NONEWFOLDERBUTTON;
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pidl = SHBrowseForFolderW(&bi);
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if (!pidl)
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return;
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if (!SHGetPathFromIDListW(pidl, parent))
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throw string_error(IDS_SHGETPATHFROMIDLIST_FAILED);
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{
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win_handle h = CreateFileW(parent, FILE_TRAVERSE, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, nullptr);
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if (h == INVALID_HANDLE_VALUE)
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throw string_error(IDS_SEND_CANT_OPEN_DIR, parent, GetLastError(), format_message(GetLastError()).c_str());
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Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_GET_FILE_IDS, nullptr, 0, &bgfi, sizeof(btrfs_get_file_ids));
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if (!NT_SUCCESS(Status))
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throw string_error(IDS_GET_FILE_IDS_FAILED, Status, format_ntstatus(Status).c_str());
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}
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if (bgfi.inode != 0x100 || bgfi.top)
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throw string_error(IDS_NOT_SUBVOL);
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SetDlgItemTextW(hwnd, IDC_PARENT_SUBVOL, parent);
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}
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void BtrfsSend::AddClone(HWND hwnd) {
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BROWSEINFOW bi;
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PIDLIST_ABSOLUTE root, pidl;
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HRESULT hr;
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WCHAR path[MAX_PATH], volpathw[MAX_PATH];
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NTSTATUS Status;
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IO_STATUS_BLOCK iosb;
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btrfs_get_file_ids bgfi;
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if (!GetVolumePathNameW(subvol.c_str(), volpathw, (sizeof(volpathw) / sizeof(WCHAR)) - 1))
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throw string_error(IDS_RECV_GETVOLUMEPATHNAME_FAILED, GetLastError(), format_message(GetLastError()).c_str());
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hr = SHParseDisplayName(volpathw, 0, &root, 0, 0);
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if (FAILED(hr))
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throw string_error(IDS_SHPARSEDISPLAYNAME_FAILED);
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memset(&bi, 0, sizeof(BROWSEINFOW));
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bi.hwndOwner = hwnd;
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bi.pidlRoot = root;
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bi.ulFlags = BIF_RETURNONLYFSDIRS | BIF_USENEWUI | BIF_NONEWFOLDERBUTTON;
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pidl = SHBrowseForFolderW(&bi);
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if (!pidl)
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return;
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if (!SHGetPathFromIDListW(pidl, path))
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throw string_error(IDS_SHGETPATHFROMIDLIST_FAILED);
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{
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win_handle h = CreateFileW(path, FILE_TRAVERSE, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, nullptr);
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if (h == INVALID_HANDLE_VALUE)
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throw string_error(IDS_SEND_CANT_OPEN_DIR, path, GetLastError(), format_message(GetLastError()).c_str());
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Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_GET_FILE_IDS, nullptr, 0, &bgfi, sizeof(btrfs_get_file_ids));
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if (!NT_SUCCESS(Status))
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throw string_error(IDS_GET_FILE_IDS_FAILED, Status, format_ntstatus(Status).c_str());
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}
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if (bgfi.inode != 0x100 || bgfi.top)
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throw string_error(IDS_NOT_SUBVOL);
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SendMessageW(GetDlgItem(hwnd, IDC_CLONE_LIST), LB_ADDSTRING, 0, (LPARAM)path);
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}
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void BtrfsSend::RemoveClone(HWND hwnd) {
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LRESULT sel;
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HWND cl = GetDlgItem(hwnd, IDC_CLONE_LIST);
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sel = SendMessageW(cl, LB_GETCURSEL, 0, 0);
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if (sel == LB_ERR)
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return;
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SendMessageW(cl, LB_DELETESTRING, sel, 0);
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if (SendMessageW(cl, LB_GETCURSEL, 0, 0) == LB_ERR)
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EnableWindow(GetDlgItem(hwnd, IDC_CLONE_REMOVE), false);
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}
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INT_PTR BtrfsSend::SendDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
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try {
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switch (uMsg) {
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case WM_INITDIALOG:
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this->hwnd = hwndDlg;
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GetDlgItemTextW(hwndDlg, IDCANCEL, closetext, sizeof(closetext) / sizeof(WCHAR));
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break;
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case WM_COMMAND:
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switch (HIWORD(wParam)) {
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case BN_CLICKED:
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switch (LOWORD(wParam)) {
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case IDOK:
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StartSend(hwndDlg);
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return true;
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case IDCANCEL:
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if (started) {
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TerminateThread(thread, 0);
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if (stream != INVALID_HANDLE_VALUE) {
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NTSTATUS Status;
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FILE_DISPOSITION_INFO fdi;
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IO_STATUS_BLOCK iosb;
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fdi.DeleteFile = true;
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Status = NtSetInformationFile(stream, &iosb, &fdi, sizeof(FILE_DISPOSITION_INFO), FileDispositionInformation);
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CloseHandle(stream);
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if (!NT_SUCCESS(Status))
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throw ntstatus_error(Status);
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}
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if (dirh != INVALID_HANDLE_VALUE)
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CloseHandle(dirh);
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started = false;
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SetDlgItemTextW(hwndDlg, IDCANCEL, closetext);
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EnableWindow(GetDlgItem(hwnd, IDOK), true);
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EnableWindow(GetDlgItem(hwnd, IDC_STREAM_DEST), true);
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EnableWindow(GetDlgItem(hwnd, IDC_BROWSE), true);
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} else
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EndDialog(hwndDlg, 1);
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return true;
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case IDC_BROWSE:
|
|
Browse(hwndDlg);
|
|
return true;
|
|
|
|
case IDC_INCREMENTAL:
|
|
incremental = IsDlgButtonChecked(hwndDlg, LOWORD(wParam));
|
|
|
|
EnableWindow(GetDlgItem(hwnd, IDC_PARENT_SUBVOL), incremental);
|
|
EnableWindow(GetDlgItem(hwnd, IDC_PARENT_BROWSE), incremental);
|
|
return true;
|
|
|
|
case IDC_PARENT_BROWSE:
|
|
BrowseParent(hwndDlg);
|
|
return true;
|
|
|
|
case IDC_CLONE_ADD:
|
|
AddClone(hwndDlg);
|
|
return true;
|
|
|
|
case IDC_CLONE_REMOVE:
|
|
RemoveClone(hwndDlg);
|
|
return true;
|
|
}
|
|
break;
|
|
|
|
case LBN_SELCHANGE:
|
|
switch (LOWORD(wParam)) {
|
|
case IDC_CLONE_LIST:
|
|
EnableWindow(GetDlgItem(hwnd, IDC_CLONE_REMOVE), true);
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
} catch (const exception& e) {
|
|
error_message(hwnd, e.what());
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static INT_PTR CALLBACK stub_SendDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
|
|
BtrfsSend* bs;
|
|
|
|
if (uMsg == WM_INITDIALOG) {
|
|
SetWindowLongPtrW(hwndDlg, GWLP_USERDATA, (LONG_PTR)lParam);
|
|
bs = (BtrfsSend*)lParam;
|
|
} else
|
|
bs = (BtrfsSend*)GetWindowLongPtrW(hwndDlg, GWLP_USERDATA);
|
|
|
|
if (bs)
|
|
return bs->SendDlgProc(hwndDlg, uMsg, wParam, lParam);
|
|
else
|
|
return false;
|
|
}
|
|
|
|
void BtrfsSend::Open(HWND hwnd, LPWSTR path) {
|
|
subvol = path;
|
|
|
|
if (DialogBoxParamW(module, MAKEINTRESOURCEW(IDD_SEND_SUBVOL), hwnd, stub_SendDlgProc, (LPARAM)this) <= 0)
|
|
throw last_error(GetLastError());
|
|
}
|
|
|
|
extern "C" void CALLBACK SendSubvolGUIW(HWND hwnd, HINSTANCE hinst, LPWSTR lpszCmdLine, int nCmdShow) {
|
|
try {
|
|
win_handle token;
|
|
TOKEN_PRIVILEGES tp;
|
|
LUID luid;
|
|
|
|
set_dpi_aware();
|
|
|
|
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token))
|
|
throw last_error(GetLastError());
|
|
|
|
if (!LookupPrivilegeValueW(nullptr, L"SeManageVolumePrivilege", &luid))
|
|
throw last_error(GetLastError());
|
|
|
|
tp.PrivilegeCount = 1;
|
|
tp.Privileges[0].Luid = luid;
|
|
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
|
|
|
|
if (!AdjustTokenPrivileges(token, false, &tp, sizeof(TOKEN_PRIVILEGES), nullptr, nullptr))
|
|
throw last_error(GetLastError());
|
|
|
|
BtrfsSend bs;
|
|
|
|
bs.Open(hwnd, lpszCmdLine);
|
|
} catch (const exception& e) {
|
|
error_message(hwnd, e.what());
|
|
}
|
|
}
|
|
|
|
static void send_subvol(const wstring& subvol, const wstring& file, const wstring& parent, const vector<wstring>& clones) {
|
|
char* buf;
|
|
win_handle dirh, stream;
|
|
ULONG i;
|
|
btrfs_send_subvol* bss;
|
|
IO_STATUS_BLOCK iosb;
|
|
NTSTATUS Status;
|
|
btrfs_send_header header;
|
|
btrfs_send_command end;
|
|
|
|
buf = (char*)malloc(SEND_BUFFER_LEN);
|
|
|
|
try {
|
|
dirh = CreateFileW(subvol.c_str(), FILE_READ_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, nullptr);
|
|
if (dirh == INVALID_HANDLE_VALUE)
|
|
throw last_error(GetLastError());
|
|
|
|
stream = CreateFileW(file.c_str(), FILE_WRITE_DATA | DELETE, 0, nullptr, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
|
|
if (stream == INVALID_HANDLE_VALUE)
|
|
throw last_error(GetLastError());
|
|
|
|
try {
|
|
size_t bss_size = offsetof(btrfs_send_subvol, clones[0]) + (clones.size() * sizeof(HANDLE));
|
|
bss = (btrfs_send_subvol*)malloc(bss_size);
|
|
memset(bss, 0, bss_size);
|
|
|
|
if (parent != L"") {
|
|
HANDLE parenth;
|
|
|
|
parenth = CreateFileW(parent.c_str(), FILE_READ_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, nullptr);
|
|
if (parenth == INVALID_HANDLE_VALUE)
|
|
throw last_error(GetLastError());
|
|
|
|
bss->parent = parenth;
|
|
} else
|
|
bss->parent = nullptr;
|
|
|
|
bss->num_clones = (ULONG)clones.size();
|
|
|
|
for (i = 0; i < bss->num_clones; i++) {
|
|
HANDLE h;
|
|
|
|
h = CreateFileW(clones[i].c_str(), FILE_READ_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, nullptr);
|
|
if (h == INVALID_HANDLE_VALUE) {
|
|
auto le = GetLastError();
|
|
ULONG j;
|
|
|
|
for (j = 0; j < i; j++) {
|
|
CloseHandle(bss->clones[j]);
|
|
}
|
|
|
|
if (bss->parent) CloseHandle(bss->parent);
|
|
|
|
throw last_error(le);
|
|
}
|
|
|
|
bss->clones[i] = h;
|
|
}
|
|
|
|
Status = NtFsControlFile(dirh, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_SEND_SUBVOL, bss, (ULONG)bss_size, nullptr, 0);
|
|
|
|
for (i = 0; i < bss->num_clones; i++) {
|
|
CloseHandle(bss->clones[i]);
|
|
}
|
|
|
|
if (bss->parent) CloseHandle(bss->parent);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
throw ntstatus_error(Status);
|
|
|
|
memcpy(header.magic, BTRFS_SEND_MAGIC, sizeof(header.magic));
|
|
header.version = 1;
|
|
|
|
if (!WriteFile(stream, &header, sizeof(header), nullptr, nullptr))
|
|
throw last_error(GetLastError());
|
|
|
|
do {
|
|
Status = NtFsControlFile(dirh, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_READ_SEND_BUFFER, nullptr, 0, buf, SEND_BUFFER_LEN);
|
|
|
|
if (NT_SUCCESS(Status))
|
|
WriteFile(stream, buf, (DWORD)iosb.Information, nullptr, nullptr);
|
|
} while (NT_SUCCESS(Status));
|
|
|
|
if (Status != STATUS_END_OF_FILE)
|
|
throw ntstatus_error(Status);
|
|
|
|
end.length = 0;
|
|
end.cmd = BTRFS_SEND_CMD_END;
|
|
end.csum = 0x9dc96c50;
|
|
|
|
if (!WriteFile(stream, &end, sizeof(end), nullptr, nullptr))
|
|
throw last_error(GetLastError());
|
|
|
|
SetEndOfFile(stream);
|
|
} catch (...) {
|
|
FILE_DISPOSITION_INFO fdi;
|
|
|
|
fdi.DeleteFile = true;
|
|
|
|
Status = NtSetInformationFile(stream, &iosb, &fdi, sizeof(FILE_DISPOSITION_INFO), FileDispositionInformation);
|
|
if (!NT_SUCCESS(Status))
|
|
throw ntstatus_error(Status);
|
|
|
|
throw;
|
|
}
|
|
} catch (...) {
|
|
free(buf);
|
|
throw;
|
|
}
|
|
|
|
free(buf);
|
|
}
|
|
|
|
extern "C" void CALLBACK SendSubvolW(HWND hwnd, HINSTANCE hinst, LPWSTR lpszCmdLine, int nCmdShow) {
|
|
vector<wstring> args;
|
|
wstring subvol = L"", parent = L"", file = L"";
|
|
vector<wstring> clones;
|
|
|
|
command_line_to_args(lpszCmdLine, args);
|
|
|
|
if (args.size() >= 2) {
|
|
TOKEN_PRIVILEGES tp;
|
|
LUID luid;
|
|
|
|
{
|
|
win_handle token;
|
|
|
|
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token))
|
|
return;
|
|
|
|
if (!LookupPrivilegeValueW(nullptr, L"SeManageVolumePrivilege", &luid))
|
|
return;
|
|
|
|
tp.PrivilegeCount = 1;
|
|
tp.Privileges[0].Luid = luid;
|
|
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
|
|
|
|
if (!AdjustTokenPrivileges(token, false, &tp, sizeof(TOKEN_PRIVILEGES), nullptr, nullptr))
|
|
return;
|
|
}
|
|
|
|
for (unsigned int i = 0; i < args.size(); i++) {
|
|
if (args[i][0] == '-') {
|
|
if (args[i][2] == 0 && i < args.size() - 1) {
|
|
if (args[i][1] == 'p') {
|
|
parent = args[i+1];
|
|
i++;
|
|
} else if (args[i][1] == 'c') {
|
|
clones.push_back(args[i+1]);
|
|
i++;
|
|
}
|
|
}
|
|
} else {
|
|
if (subvol == L"")
|
|
subvol = args[i];
|
|
else if (file == L"")
|
|
file = args[i];
|
|
}
|
|
}
|
|
|
|
if (subvol != L"" && file != L"") {
|
|
try {
|
|
send_subvol(subvol, file, parent, clones);
|
|
} catch (const exception& e) {
|
|
cerr << "Error: " << e.what() << endl;
|
|
}
|
|
}
|
|
}
|
|
} |