mirror of
https://github.com/obsproject/obs-studio.git
synced 2024-07-19 17:49:14 +00:00
2029 lines
49 KiB
C++
2029 lines
49 KiB
C++
/*
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* Copyright (c) 2023 Lain Bailey <lain@obsproject.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "updater.hpp"
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#include "manifest.hpp"
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#include <psapi.h>
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#include <util/windows/CoTaskMemPtr.hpp>
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#include <future>
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#include <string>
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#include <string_view>
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#include <mutex>
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#include <unordered_set>
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#include <queue>
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using namespace std;
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using namespace updater;
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/* ----------------------------------------------------------------------- */
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constexpr const string_view kCDNUrl = "https://cdn-fastly.obsproject.com/";
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constexpr const wchar_t *kCDNHostname = L"cdn-fastly.obsproject.com";
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constexpr const wchar_t *kCDNUpdateBaseUrl =
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L"https://cdn-fastly.obsproject.com/update_studio";
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constexpr const wchar_t *kPatchManifestURL =
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L"https://obsproject.com/update_studio/getpatchmanifest";
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/* ----------------------------------------------------------------------- */
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HANDLE cancelRequested = nullptr;
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HANDLE updateThread = nullptr;
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HINSTANCE hinstMain = nullptr;
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HWND hwndMain = nullptr;
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HCRYPTPROV hProvider = 0;
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static bool bExiting = false;
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static bool updateFailed = false;
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static bool downloadThreadFailure = false;
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size_t totalFileSize = 0;
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size_t completedFileSize = 0;
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static int completedUpdates = 0;
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static wchar_t tempPath[MAX_PATH];
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static wchar_t obs_base_directory[MAX_PATH];
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struct LastError {
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DWORD code;
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inline LastError() { code = GetLastError(); }
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};
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void FreeWinHttpHandle(HINTERNET handle)
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{
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WinHttpCloseHandle(handle);
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}
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/* ----------------------------------------------------------------------- */
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static inline bool HasVS2019Redist2()
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{
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wchar_t base[MAX_PATH];
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wchar_t path[MAX_PATH];
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WIN32_FIND_DATAW wfd;
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HANDLE handle;
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SHGetFolderPathW(NULL, CSIDL_SYSTEM, NULL, SHGFP_TYPE_CURRENT, base);
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#define check_dll_installed(dll) \
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do { \
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StringCbCopyW(path, sizeof(path), base); \
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StringCbCatW(path, sizeof(path), L"\\" dll ".dll"); \
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handle = FindFirstFileW(path, &wfd); \
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if (handle == INVALID_HANDLE_VALUE) { \
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return false; \
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} else { \
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FindClose(handle); \
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} \
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} while (false)
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check_dll_installed(L"msvcp140");
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check_dll_installed(L"vcruntime140");
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check_dll_installed(L"vcruntime140_1");
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#undef check_dll_installed
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return true;
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}
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static bool HasVS2019Redist()
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{
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PVOID old = nullptr;
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bool redirect = !!Wow64DisableWow64FsRedirection(&old);
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bool success = HasVS2019Redist2();
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if (redirect)
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Wow64RevertWow64FsRedirection(old);
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return success;
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}
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static void Status(const wchar_t *fmt, ...)
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{
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wchar_t str[512];
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va_list argptr;
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va_start(argptr, fmt);
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StringCbVPrintf(str, sizeof(str), fmt, argptr);
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SetDlgItemText(hwndMain, IDC_STATUS, str);
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va_end(argptr);
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}
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static bool MyCopyFile(const wchar_t *src, const wchar_t *dest)
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try {
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WinHandle hSrc;
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WinHandle hDest;
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hSrc = CreateFile(src, GENERIC_READ, FILE_SHARE_READ, nullptr,
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OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, nullptr);
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if (!hSrc.Valid())
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throw LastError();
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hDest = CreateFile(dest, GENERIC_WRITE, 0, nullptr, CREATE_ALWAYS, 0,
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nullptr);
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if (!hDest.Valid())
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throw LastError();
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BYTE buf[65536];
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DWORD read, wrote;
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for (;;) {
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if (!ReadFile(hSrc, buf, sizeof(buf), &read, nullptr))
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throw LastError();
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if (read == 0)
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break;
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if (!WriteFile(hDest, buf, read, &wrote, nullptr))
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throw LastError();
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if (wrote != read)
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return false;
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}
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return true;
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} catch (LastError &error) {
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SetLastError(error.code);
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return false;
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}
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static void MyDeleteFile(const wstring &filename)
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{
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/* Try straightforward delete first */
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if (DeleteFile(filename.c_str()))
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return;
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DWORD err = GetLastError();
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if (err == ERROR_FILE_NOT_FOUND)
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return;
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/* If all else fails, schedule the file to be deleted on reboot */
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MoveFileEx(filename.c_str(), nullptr, MOVEFILE_DELAY_UNTIL_REBOOT);
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}
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static bool IsSafeFilename(const wchar_t *path)
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{
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const wchar_t *p = path;
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if (!*p)
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return false;
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if (wcsstr(path, L".."))
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return false;
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if (*p == '/')
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return false;
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while (*p) {
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if (!isalnum(*p) && *p != '.' && *p != '/' && *p != '_' &&
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*p != '-')
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return false;
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p++;
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}
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return true;
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}
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static string QuickReadFile(const wchar_t *path)
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{
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string data;
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WinHandle handle = CreateFileW(path, GENERIC_READ, 0, nullptr,
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OPEN_EXISTING, 0, nullptr);
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if (!handle.Valid()) {
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return {};
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}
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LARGE_INTEGER size;
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if (!GetFileSizeEx(handle, &size)) {
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return {};
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}
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data.resize((size_t)size.QuadPart);
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DWORD read;
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if (!ReadFile(handle, data.data(), (DWORD)data.size(), &read,
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nullptr)) {
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return {};
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}
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if (read != size.QuadPart) {
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return {};
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}
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return data;
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}
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static bool QuickWriteFile(const wchar_t *file, const void *data, size_t size)
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try {
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WinHandle handle = CreateFile(file, GENERIC_WRITE, 0, nullptr,
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CREATE_ALWAYS, FILE_FLAG_WRITE_THROUGH,
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nullptr);
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if (handle == INVALID_HANDLE_VALUE)
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throw GetLastError();
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DWORD written;
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if (!WriteFile(handle, data, (DWORD)size, &written, nullptr))
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throw GetLastError();
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return true;
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} catch (LastError &error) {
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SetLastError(error.code);
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return false;
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}
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/* ----------------------------------------------------------------------- */
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/* Extend std::hash for B2Hash */
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template<> struct std::hash<B2Hash> {
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size_t operator()(const B2Hash &value) const noexcept
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{
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return hash<string_view>{}(string_view(
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reinterpret_cast<const char *>(value.data()),
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value.size()));
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}
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};
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enum state_t {
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STATE_INVALID,
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STATE_PENDING_DOWNLOAD,
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STATE_DOWNLOADING,
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STATE_DOWNLOADED,
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STATE_ALREADY_DOWNLOADED,
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STATE_INSTALL_FAILED,
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STATE_INSTALLED,
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};
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struct update_t {
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wstring sourceURL;
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wstring outputPath;
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wstring previousFile;
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string packageName;
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B2Hash hash;
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B2Hash my_hash;
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B2Hash downloadHash;
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size_t fileSize = 0;
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state_t state = STATE_INVALID;
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bool has_hash = false;
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bool patchable = false;
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bool compressed = false;
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update_t() = default;
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update_t(const update_t &from) = default;
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update_t(update_t &&from) noexcept
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: sourceURL(std::move(from.sourceURL)),
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outputPath(std::move(from.outputPath)),
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previousFile(std::move(from.previousFile)),
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packageName(std::move(from.packageName)),
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hash(from.hash),
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my_hash(from.my_hash),
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downloadHash(from.downloadHash),
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fileSize(from.fileSize),
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state(from.state),
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has_hash(from.has_hash),
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patchable(from.patchable),
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compressed(from.compressed)
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{
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from.state = STATE_INVALID;
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}
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void CleanPartialUpdate() const
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{
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if (state == STATE_INSTALL_FAILED || state == STATE_INSTALLED) {
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if (!previousFile.empty()) {
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DeleteFile(outputPath.c_str());
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MyCopyFile(previousFile.c_str(),
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outputPath.c_str());
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DeleteFile(previousFile.c_str());
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} else {
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DeleteFile(outputPath.c_str());
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}
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}
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}
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update_t &operator=(const update_t &from) = default;
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};
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struct deletion_t {
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wstring originalFilename;
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wstring deleteMeFilename;
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void UndoRename() const
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{
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if (!deleteMeFilename.empty())
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MoveFile(deleteMeFilename.c_str(),
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originalFilename.c_str());
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}
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};
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static unordered_map<B2Hash, vector<std::byte>> download_data;
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static unordered_map<string, B2Hash> hashes;
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static vector<update_t> updates;
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static vector<deletion_t> deletions;
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static mutex updateMutex;
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static inline void CleanupPartialUpdates()
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{
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for (update_t &update : updates)
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update.CleanPartialUpdate();
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for (deletion_t &deletion : deletions)
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deletion.UndoRename();
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}
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/* ----------------------------------------------------------------------- */
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static int Decompress(ZSTD_DCtx *ctx, std::vector<std::byte> &buf, size_t size)
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{
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// Copy compressed data
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vector<std::byte> comp(buf.begin(), buf.end());
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try {
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buf.resize(size);
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} catch (...) {
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return -1;
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}
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// Overwrite buffer with decompressed data
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size_t result = ZSTD_decompressDCtx(ctx, buf.data(), buf.size(),
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comp.data(), comp.size());
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if (result != size)
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return -9;
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if (ZSTD_isError(result))
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return -10;
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return 0;
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}
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bool DownloadWorkerThread()
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{
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const DWORD tlsProtocols = WINHTTP_FLAG_SECURE_PROTOCOL_TLS1_2 |
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WINHTTP_FLAG_SECURE_PROTOCOL_TLS1_3;
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const DWORD enableHTTP2Flag = WINHTTP_PROTOCOL_FLAG_HTTP2;
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const DWORD compressionFlags = WINHTTP_DECOMPRESSION_FLAG_ALL;
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HttpHandle hSession = WinHttpOpen(L"OBS Studio Updater/3.0",
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WINHTTP_ACCESS_TYPE_DEFAULT_PROXY,
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WINHTTP_NO_PROXY_NAME,
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WINHTTP_NO_PROXY_BYPASS, 0);
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if (!hSession) {
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downloadThreadFailure = true;
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Status(L"Update failed: Couldn't open obsproject.com");
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return false;
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}
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WinHttpSetOption(hSession, WINHTTP_OPTION_SECURE_PROTOCOLS,
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(LPVOID)&tlsProtocols, sizeof(tlsProtocols));
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WinHttpSetOption(hSession, WINHTTP_OPTION_ENABLE_HTTP_PROTOCOL,
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(LPVOID)&enableHTTP2Flag, sizeof(enableHTTP2Flag));
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WinHttpSetOption(hSession, WINHTTP_OPTION_DECOMPRESSION,
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(LPVOID)&compressionFlags, sizeof(compressionFlags));
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HttpHandle hConnect = WinHttpConnect(hSession, kCDNHostname,
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INTERNET_DEFAULT_HTTPS_PORT, 0);
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if (!hConnect) {
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downloadThreadFailure = true;
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Status(L"Update failed: Couldn't connect to %S", kCDNHostname);
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return false;
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}
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ZSTDDCtx zCtx;
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for (;;) {
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bool foundWork = false;
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unique_lock<mutex> ulock(updateMutex);
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for (update_t &update : updates) {
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int responseCode;
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DWORD waitResult =
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WaitForSingleObject(cancelRequested, 0);
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if (waitResult == WAIT_OBJECT_0) {
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return false;
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}
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if (update.state != STATE_PENDING_DOWNLOAD)
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continue;
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update.state = STATE_DOWNLOADING;
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ulock.unlock();
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foundWork = true;
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if (downloadThreadFailure) {
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return false;
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}
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auto &buf = download_data[update.downloadHash];
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/* Reserve required memory */
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buf.reserve(update.fileSize);
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if (!HTTPGetBuffer(hConnect, update.sourceURL.c_str(),
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L"Accept-Encoding: gzip", buf,
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&responseCode)) {
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downloadThreadFailure = true;
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Status(L"Update failed: Could not download "
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L"%s (error code %d)",
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update.outputPath.c_str(), responseCode);
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return true;
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}
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if (responseCode != 200) {
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downloadThreadFailure = true;
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Status(L"Update failed: Could not download "
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L"%s (error code %d)",
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update.outputPath.c_str(), responseCode);
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return true;
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}
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/* Validate hash of downloaded data. */
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B2Hash dataHash;
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blake2b(dataHash.data(), dataHash.size(), buf.data(),
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buf.size(), nullptr, 0);
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if (dataHash != update.downloadHash) {
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downloadThreadFailure = true;
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Status(L"Update failed: Integrity check "
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L"failed on %s",
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update.outputPath.c_str());
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return true;
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}
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/* Decompress data in compressed buffer. */
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if (update.compressed && !update.patchable) {
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int res =
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Decompress(zCtx, buf, update.fileSize);
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if (res) {
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downloadThreadFailure = true;
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Status(L"Update failed: Decompression "
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L"failed on %s (error code %d)",
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update.outputPath.c_str(), res);
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return true;
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}
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}
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ulock.lock();
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update.state = STATE_DOWNLOADED;
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completedUpdates++;
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}
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if (!foundWork) {
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break;
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}
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if (downloadThreadFailure) {
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return false;
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}
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}
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return true;
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}
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static bool RunDownloadWorkers(int num)
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try {
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vector<future<bool>> thread_success_results;
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thread_success_results.resize(num);
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for (future<bool> &result : thread_success_results) {
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result = async(DownloadWorkerThread);
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}
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for (future<bool> &result : thread_success_results) {
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if (!result.get()) {
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return false;
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}
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}
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return true;
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} catch (...) {
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return false;
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}
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/* ----------------------------------------------------------------------- */
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enum { WAITIFOBS_SUCCESS, WAITIFOBS_WRONG_PROCESS, WAITIFOBS_CANCELLED };
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static inline DWORD WaitIfOBS(DWORD id, const wchar_t *expected)
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{
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wchar_t path[MAX_PATH];
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wchar_t *name;
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DWORD path_len = _countof(path);
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*path = 0;
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WinHandle proc = OpenProcess(PROCESS_QUERY_INFORMATION |
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PROCESS_VM_READ | SYNCHRONIZE,
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false, id);
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if (!proc.Valid())
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return WAITIFOBS_WRONG_PROCESS;
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if (!QueryFullProcessImageNameW(proc, 0, path, &path_len))
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return WAITIFOBS_WRONG_PROCESS;
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// check it's actually our exe that's running
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size_t len = wcslen(obs_base_directory);
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if (wcsncmp(path, obs_base_directory, len) != 0)
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return WAITIFOBS_WRONG_PROCESS;
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name = wcsrchr(path, L'\\');
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if (name)
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name += 1;
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else
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name = path;
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if (_wcsnicmp(name, expected, 5) == 0) {
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HANDLE hWait[2];
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hWait[0] = proc;
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hWait[1] = cancelRequested;
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int i = WaitForMultipleObjects(2, hWait, false, INFINITE);
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if (i == WAIT_OBJECT_0 + 1)
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return WAITIFOBS_CANCELLED;
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return WAITIFOBS_SUCCESS;
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}
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return WAITIFOBS_WRONG_PROCESS;
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}
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|
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static bool WaitForOBS()
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{
|
|
DWORD proc_ids[1024], needed, count;
|
|
|
|
if (!EnumProcesses(proc_ids, sizeof(proc_ids), &needed)) {
|
|
return true;
|
|
}
|
|
|
|
count = needed / sizeof(DWORD);
|
|
|
|
for (DWORD i = 0; i < count; i++) {
|
|
DWORD id = proc_ids[i];
|
|
if (id != 0) {
|
|
switch (WaitIfOBS(id, L"obs64")) {
|
|
case WAITIFOBS_SUCCESS:
|
|
return true;
|
|
case WAITIFOBS_WRONG_PROCESS:
|
|
break;
|
|
case WAITIFOBS_CANCELLED:
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
static inline bool UTF8ToWide(wchar_t *wide, int wideSize, const char *utf8)
|
|
{
|
|
return !!MultiByteToWideChar(CP_UTF8, 0, utf8, -1, wide, wideSize);
|
|
}
|
|
|
|
static inline bool WideToUTF8(char *utf8, int utf8Size, const wchar_t *wide)
|
|
{
|
|
return !!WideCharToMultiByte(CP_UTF8, 0, wide, -1, utf8, utf8Size,
|
|
nullptr, nullptr);
|
|
}
|
|
|
|
#define UTF8ToWideBuf(wide, utf8) UTF8ToWide(wide, _countof(wide), utf8)
|
|
#define WideToUTF8Buf(utf8, wide) WideToUTF8(utf8, _countof(utf8), wide)
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
queue<string> hashQueue;
|
|
|
|
void HasherThread()
|
|
{
|
|
unique_lock ulock(updateMutex, defer_lock);
|
|
|
|
while (true) {
|
|
ulock.lock();
|
|
if (hashQueue.empty())
|
|
return;
|
|
|
|
auto fileName = hashQueue.front();
|
|
hashQueue.pop();
|
|
|
|
ulock.unlock();
|
|
|
|
wchar_t updateFileName[MAX_PATH];
|
|
|
|
if (!UTF8ToWideBuf(updateFileName, fileName.c_str()))
|
|
continue;
|
|
if (!IsSafeFilename(updateFileName))
|
|
continue;
|
|
|
|
B2Hash existingHash;
|
|
if (CalculateFileHash(updateFileName, existingHash)) {
|
|
ulock.lock();
|
|
hashes.emplace(fileName, existingHash);
|
|
ulock.unlock();
|
|
}
|
|
}
|
|
}
|
|
|
|
static void RunHasherWorkers(int num, const vector<Package> &packages)
|
|
try {
|
|
|
|
for (const Package &package : packages) {
|
|
for (const File &file : package.files) {
|
|
hashQueue.push(file.name);
|
|
}
|
|
}
|
|
|
|
vector<future<void>> futures;
|
|
futures.resize(num);
|
|
|
|
for (auto &result : futures) {
|
|
result = async(launch::async, HasherThread);
|
|
}
|
|
for (auto &result : futures) {
|
|
result.wait();
|
|
}
|
|
} catch (...) {
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
static inline bool FileExists(const wchar_t *path)
|
|
{
|
|
WIN32_FIND_DATAW wfd;
|
|
HANDLE hFind;
|
|
|
|
hFind = FindFirstFileW(path, &wfd);
|
|
if (hFind != INVALID_HANDLE_VALUE)
|
|
FindClose(hFind);
|
|
|
|
return hFind != INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
static bool NonCorePackageInstalled(const char *name)
|
|
{
|
|
if (strcmp(name, "obs-browser") == 0)
|
|
return FileExists(L"obs-plugins\\64bit\\obs-browser.dll");
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool AddPackageUpdateFiles(const Package &package, const wchar_t *branch)
|
|
{
|
|
wchar_t wPackageName[512];
|
|
if (!UTF8ToWideBuf(wPackageName, package.name.c_str()))
|
|
return false;
|
|
|
|
if (package.name != "core" &&
|
|
!NonCorePackageInstalled(package.name.c_str()))
|
|
return true;
|
|
|
|
for (const File &file : package.files) {
|
|
if (file.hash.size() != kBlake2StrLength)
|
|
continue;
|
|
|
|
/* The download hash may not exist if a file is uncompressed */
|
|
|
|
bool compressed = false;
|
|
if (file.compressed_hash.size() == kBlake2StrLength)
|
|
compressed = true;
|
|
|
|
/* convert strings to wide */
|
|
|
|
wchar_t sourceURL[1024];
|
|
wchar_t updateFileName[MAX_PATH];
|
|
|
|
if (!UTF8ToWideBuf(updateFileName, file.name.c_str()))
|
|
continue;
|
|
|
|
/* make sure paths are safe */
|
|
|
|
if (!IsSafeFilename(updateFileName)) {
|
|
Status(L"Update failed: Unsafe path '%s' found in "
|
|
L"manifest",
|
|
updateFileName);
|
|
return false;
|
|
}
|
|
|
|
StringCbPrintf(sourceURL, sizeof(sourceURL), L"%s/%s/%s/%s",
|
|
kCDNUpdateBaseUrl, branch, wPackageName,
|
|
updateFileName);
|
|
|
|
/* Convert hashes */
|
|
B2Hash updateHash;
|
|
StringToHash(file.hash, updateHash);
|
|
|
|
/* We don't really care if this fails, it's just to avoid
|
|
* wasting bandwidth by downloading unmodified files */
|
|
B2Hash localFileHash;
|
|
bool has_hash = false;
|
|
|
|
if (hashes.count(file.name)) {
|
|
localFileHash = hashes[file.name];
|
|
if (localFileHash == updateHash)
|
|
continue;
|
|
|
|
has_hash = true;
|
|
}
|
|
|
|
/* Add update file */
|
|
update_t update;
|
|
update.fileSize = file.size;
|
|
update.outputPath = updateFileName;
|
|
update.sourceURL = sourceURL;
|
|
update.packageName = package.name;
|
|
update.state = STATE_PENDING_DOWNLOAD;
|
|
update.patchable = false;
|
|
update.compressed = compressed;
|
|
update.hash = updateHash;
|
|
|
|
if (compressed) {
|
|
update.sourceURL += L".zst";
|
|
StringToHash(file.compressed_hash, update.downloadHash);
|
|
} else {
|
|
update.downloadHash = updateHash;
|
|
}
|
|
|
|
update.has_hash = has_hash;
|
|
if (has_hash)
|
|
update.my_hash = localFileHash;
|
|
|
|
updates.push_back(std::move(update));
|
|
|
|
totalFileSize += file.size;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static void AddPackageRemovedFiles(const Package &package)
|
|
{
|
|
for (const string &filename : package.removed_files) {
|
|
wchar_t removedFileName[MAX_PATH];
|
|
if (!UTF8ToWideBuf(removedFileName, filename.c_str()))
|
|
continue;
|
|
|
|
/* Ensure paths are safe, also check if file exists */
|
|
if (!IsSafeFilename(removedFileName))
|
|
continue;
|
|
/* Technically GetFileAttributes can fail for other reasons,
|
|
* so double-check by also checking the last error */
|
|
if (GetFileAttributesW(removedFileName) ==
|
|
INVALID_FILE_ATTRIBUTES) {
|
|
int err = GetLastError();
|
|
if (err == ERROR_FILE_NOT_FOUND ||
|
|
err == ERROR_PATH_NOT_FOUND)
|
|
continue;
|
|
}
|
|
|
|
deletion_t deletion;
|
|
deletion.originalFilename = removedFileName;
|
|
|
|
deletions.push_back(deletion);
|
|
}
|
|
}
|
|
|
|
static bool RenameRemovedFile(deletion_t &deletion)
|
|
{
|
|
_TCHAR deleteMeName[MAX_PATH];
|
|
_TCHAR randomStr[MAX_PATH];
|
|
|
|
BYTE junk[40];
|
|
B2Hash hash;
|
|
string temp;
|
|
|
|
CryptGenRandom(hProvider, sizeof(junk), junk);
|
|
blake2b(hash.data(), hash.size(), junk, sizeof(junk), nullptr, 0);
|
|
HashToString(hash, temp);
|
|
|
|
if (!UTF8ToWideBuf(randomStr, temp.c_str()))
|
|
return false;
|
|
|
|
randomStr[8] = 0;
|
|
|
|
StringCbCopy(deleteMeName, sizeof(deleteMeName),
|
|
deletion.originalFilename.c_str());
|
|
|
|
StringCbCat(deleteMeName, sizeof(deleteMeName), L".");
|
|
StringCbCat(deleteMeName, sizeof(deleteMeName), randomStr);
|
|
StringCbCat(deleteMeName, sizeof(deleteMeName), L".deleteme");
|
|
|
|
if (MoveFile(deletion.originalFilename.c_str(), deleteMeName)) {
|
|
/* Only set this if the file was successfully renamed */
|
|
deletion.deleteMeFilename = deleteMeName;
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static void UpdateWithPatchIfAvailable(const PatchResponse &patch)
|
|
{
|
|
wchar_t widePatchableFilename[MAX_PATH];
|
|
wchar_t sourceURL[1024];
|
|
|
|
if (patch.source.compare(0, kCDNUrl.size(), kCDNUrl) != 0)
|
|
return;
|
|
|
|
if (patch.name.find('/') == string::npos)
|
|
return;
|
|
|
|
string patchPackageName(patch.name, 0, patch.name.find('/'));
|
|
string fileName(patch.name, patch.name.find('/') + 1);
|
|
|
|
if (!UTF8ToWideBuf(widePatchableFilename, fileName.c_str()))
|
|
return;
|
|
if (!UTF8ToWideBuf(sourceURL, patch.source.c_str()))
|
|
return;
|
|
|
|
for (update_t &update : updates) {
|
|
if (update.packageName != patchPackageName)
|
|
continue;
|
|
if (update.outputPath != widePatchableFilename)
|
|
continue;
|
|
|
|
update.patchable = true;
|
|
|
|
/* Replace the source URL with the patch file, update
|
|
* the download hash, and re-calculate download size */
|
|
StringToHash(patch.hash, update.downloadHash);
|
|
update.sourceURL = sourceURL;
|
|
totalFileSize -= (update.fileSize - patch.size);
|
|
update.fileSize = patch.size;
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
static bool MoveInUseFileAway(const update_t &file)
|
|
{
|
|
_TCHAR deleteMeName[MAX_PATH];
|
|
_TCHAR randomStr[MAX_PATH];
|
|
|
|
BYTE junk[40];
|
|
B2Hash hash;
|
|
string temp;
|
|
|
|
CryptGenRandom(hProvider, sizeof(junk), junk);
|
|
blake2b(hash.data(), hash.size(), junk, sizeof(junk), nullptr, 0);
|
|
HashToString(hash, temp);
|
|
|
|
if (!UTF8ToWideBuf(randomStr, temp.c_str()))
|
|
return false;
|
|
|
|
randomStr[8] = 0;
|
|
|
|
StringCbCopy(deleteMeName, sizeof(deleteMeName),
|
|
file.outputPath.c_str());
|
|
|
|
StringCbCat(deleteMeName, sizeof(deleteMeName), L".");
|
|
StringCbCat(deleteMeName, sizeof(deleteMeName), randomStr);
|
|
StringCbCat(deleteMeName, sizeof(deleteMeName), L".deleteme");
|
|
|
|
if (MoveFile(file.outputPath.c_str(), deleteMeName)) {
|
|
|
|
if (MyCopyFile(deleteMeName, file.outputPath.c_str())) {
|
|
MoveFileEx(deleteMeName, NULL,
|
|
MOVEFILE_DELAY_UNTIL_REBOOT);
|
|
|
|
return true;
|
|
} else {
|
|
MoveFile(deleteMeName, file.outputPath.c_str());
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool UpdateFile(ZSTD_DCtx *ctx, update_t &file)
|
|
{
|
|
wchar_t oldFileRenamedPath[MAX_PATH];
|
|
|
|
/* Grab the patch/file data from the global cache. */
|
|
vector<std::byte> &patch_data = download_data[file.downloadHash];
|
|
|
|
/* Check if we're replacing an existing file or just installing a new
|
|
* one */
|
|
DWORD attribs = GetFileAttributes(file.outputPath.c_str());
|
|
|
|
if (attribs != INVALID_FILE_ATTRIBUTES) {
|
|
wchar_t baseName[MAX_PATH];
|
|
|
|
StringCbCopy(baseName, sizeof(baseName),
|
|
file.outputPath.c_str());
|
|
|
|
wchar_t *curFileName = wcsrchr(baseName, '/');
|
|
if (curFileName) {
|
|
curFileName[0] = '\0';
|
|
curFileName++;
|
|
} else
|
|
curFileName = baseName;
|
|
|
|
/* Backup the existing file in case a rollback is needed */
|
|
StringCbCopy(oldFileRenamedPath, sizeof(oldFileRenamedPath),
|
|
file.outputPath.c_str());
|
|
StringCbCat(oldFileRenamedPath, sizeof(oldFileRenamedPath),
|
|
L".old");
|
|
|
|
if (!MyCopyFile(file.outputPath.c_str(), oldFileRenamedPath)) {
|
|
DWORD err = GetLastError();
|
|
int is_sharing_violation =
|
|
(err == ERROR_SHARING_VIOLATION ||
|
|
err == ERROR_USER_MAPPED_FILE);
|
|
|
|
if (is_sharing_violation)
|
|
Status(L"Update failed: %s is still in use. "
|
|
L"Close all programs and try again.",
|
|
curFileName);
|
|
else
|
|
Status(L"Update failed: Couldn't backup %s "
|
|
L"(error %d)",
|
|
curFileName, GetLastError());
|
|
return false;
|
|
}
|
|
|
|
file.previousFile = oldFileRenamedPath;
|
|
|
|
int error_code;
|
|
bool installed_ok;
|
|
bool already_tried_to_move = false;
|
|
|
|
retryAfterMovingFile:
|
|
|
|
if (file.patchable) {
|
|
error_code = ApplyPatch(ctx, patch_data.data(),
|
|
file.fileSize,
|
|
file.outputPath.c_str());
|
|
|
|
installed_ok = (error_code == 0);
|
|
|
|
if (installed_ok) {
|
|
B2Hash patchedFileHash;
|
|
if (!CalculateFileHash(file.outputPath.c_str(),
|
|
patchedFileHash)) {
|
|
Status(L"Update failed: Couldn't "
|
|
L"verify integrity of patched %s",
|
|
curFileName);
|
|
|
|
file.state = STATE_INSTALL_FAILED;
|
|
return false;
|
|
}
|
|
|
|
if (file.hash != patchedFileHash) {
|
|
Status(L"Update failed: Integrity "
|
|
L"check of patched "
|
|
L"%s failed",
|
|
curFileName);
|
|
|
|
file.state = STATE_INSTALL_FAILED;
|
|
return false;
|
|
}
|
|
}
|
|
} else {
|
|
installed_ok = QuickWriteFile(file.outputPath.c_str(),
|
|
patch_data.data(),
|
|
patch_data.size());
|
|
error_code = GetLastError();
|
|
}
|
|
|
|
if (!installed_ok) {
|
|
int is_sharing_violation =
|
|
(error_code == ERROR_SHARING_VIOLATION ||
|
|
error_code == ERROR_USER_MAPPED_FILE);
|
|
|
|
if (is_sharing_violation) {
|
|
if (!already_tried_to_move) {
|
|
already_tried_to_move = true;
|
|
|
|
if (MoveInUseFileAway(file))
|
|
goto retryAfterMovingFile;
|
|
}
|
|
|
|
Status(L"Update failed: %s is still in use. "
|
|
L"Close all "
|
|
L"programs and try again.",
|
|
curFileName);
|
|
} else {
|
|
DWORD err = GetLastError();
|
|
Status(L"Update failed: Couldn't update %s "
|
|
L"(error %d)",
|
|
curFileName, err ? err : error_code);
|
|
}
|
|
|
|
file.state = STATE_INSTALL_FAILED;
|
|
return false;
|
|
}
|
|
|
|
file.state = STATE_INSTALLED;
|
|
} else {
|
|
if (file.patchable) {
|
|
/* Uh oh, we thought we could patch something but it's
|
|
* no longer there! */
|
|
Status(L"Update failed: Source file %s not found",
|
|
file.outputPath.c_str());
|
|
return false;
|
|
}
|
|
|
|
/* We may be installing into new folders,
|
|
* make sure they exist */
|
|
filesystem::path filePath(file.outputPath.c_str());
|
|
create_directories(filePath.parent_path());
|
|
|
|
file.previousFile = L"";
|
|
|
|
bool success = !!QuickWriteFile(file.outputPath.c_str(),
|
|
patch_data.data(),
|
|
patch_data.size());
|
|
if (!success) {
|
|
Status(L"Update failed: Couldn't install %s (error %d)",
|
|
file.outputPath.c_str(), GetLastError());
|
|
file.state = STATE_INSTALL_FAILED;
|
|
return false;
|
|
}
|
|
|
|
file.state = STATE_INSTALLED;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
queue<reference_wrapper<update_t>> updateQueue;
|
|
static int lastPosition = 0;
|
|
static int installed = 0;
|
|
static bool updateThreadFailed = false;
|
|
|
|
static bool UpdateWorker()
|
|
{
|
|
unique_lock<mutex> ulock(updateMutex, defer_lock);
|
|
ZSTDDCtx zCtx;
|
|
|
|
while (true) {
|
|
ulock.lock();
|
|
|
|
if (updateThreadFailed)
|
|
return false;
|
|
if (updateQueue.empty())
|
|
break;
|
|
|
|
auto update = updateQueue.front();
|
|
updateQueue.pop();
|
|
ulock.unlock();
|
|
|
|
if (!UpdateFile(zCtx, update)) {
|
|
updateThreadFailed = true;
|
|
return false;
|
|
} else {
|
|
int position = (int)(((float)++installed /
|
|
(float)completedUpdates) *
|
|
100.0f);
|
|
if (position > lastPosition) {
|
|
lastPosition = position;
|
|
SendDlgItemMessage(hwndMain, IDC_PROGRESS,
|
|
PBM_SETPOS, position, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool RunUpdateWorkers(int num)
|
|
try {
|
|
for (update_t &update : updates)
|
|
updateQueue.emplace(update);
|
|
|
|
vector<future<bool>> thread_success_results;
|
|
thread_success_results.resize(num);
|
|
|
|
for (future<bool> &result : thread_success_results) {
|
|
result = async(launch::async, UpdateWorker);
|
|
}
|
|
for (future<bool> &result : thread_success_results) {
|
|
if (!result.get()) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
|
|
} catch (...) {
|
|
return false;
|
|
}
|
|
|
|
static bool UpdateVS2019Redists(const string &vc_redist_hash)
|
|
{
|
|
/* ------------------------------------------ *
|
|
* Initialize session */
|
|
|
|
const DWORD tlsProtocols = WINHTTP_FLAG_SECURE_PROTOCOL_TLS1_2;
|
|
|
|
const DWORD compressionFlags = WINHTTP_DECOMPRESSION_FLAG_ALL;
|
|
|
|
HttpHandle hSession = WinHttpOpen(L"OBS Studio Updater/3.0",
|
|
WINHTTP_ACCESS_TYPE_DEFAULT_PROXY,
|
|
WINHTTP_NO_PROXY_NAME,
|
|
WINHTTP_NO_PROXY_BYPASS, 0);
|
|
if (!hSession) {
|
|
Status(L"Update failed: Couldn't open obsproject.com");
|
|
return false;
|
|
}
|
|
|
|
WinHttpSetOption(hSession, WINHTTP_OPTION_SECURE_PROTOCOLS,
|
|
(LPVOID)&tlsProtocols, sizeof(tlsProtocols));
|
|
|
|
WinHttpSetOption(hSession, WINHTTP_OPTION_DECOMPRESSION,
|
|
(LPVOID)&compressionFlags, sizeof(compressionFlags));
|
|
|
|
HttpHandle hConnect = WinHttpConnect(hSession, kCDNHostname,
|
|
INTERNET_DEFAULT_HTTPS_PORT, 0);
|
|
if (!hConnect) {
|
|
Status(L"Update failed: Couldn't connect to %S", kCDNHostname);
|
|
return false;
|
|
}
|
|
|
|
int responseCode;
|
|
|
|
DWORD waitResult = WaitForSingleObject(cancelRequested, 0);
|
|
if (waitResult == WAIT_OBJECT_0) {
|
|
return false;
|
|
}
|
|
|
|
/* ------------------------------------------ *
|
|
* Download redist */
|
|
|
|
Status(L"Downloading Visual C++ 2019 Redistributable");
|
|
|
|
wstring sourceURL =
|
|
L"https://cdn-fastly.obsproject.com/downloads/VC_redist.x64.exe";
|
|
|
|
wstring destPath;
|
|
destPath += tempPath;
|
|
destPath += L"\\VC_redist.x64.exe";
|
|
|
|
if (!HTTPGetFile(hConnect, sourceURL.c_str(), destPath.c_str(),
|
|
L"Accept-Encoding: gzip", &responseCode)) {
|
|
|
|
DeleteFile(destPath.c_str());
|
|
Status(L"Update failed: Could not download "
|
|
L"%s (error code %d)",
|
|
L"Visual C++ 2019 Redistributable", responseCode);
|
|
return false;
|
|
}
|
|
|
|
/* ------------------------------------------ *
|
|
* Get expected hash */
|
|
|
|
B2Hash expectedHash;
|
|
StringToHash(vc_redist_hash, expectedHash);
|
|
|
|
/* ------------------------------------------ *
|
|
* Get download hash */
|
|
|
|
B2Hash downloadHash;
|
|
if (!CalculateFileHash(destPath.c_str(), downloadHash)) {
|
|
DeleteFile(destPath.c_str());
|
|
Status(L"Update failed: Couldn't verify integrity of %s",
|
|
L"Visual C++ 2019 Redistributable");
|
|
return false;
|
|
}
|
|
|
|
/* ------------------------------------------ *
|
|
* If hashes do not match, integrity failed */
|
|
|
|
if (downloadHash == expectedHash) {
|
|
DeleteFile(destPath.c_str());
|
|
Status(L"Update failed: Couldn't verify integrity of %s",
|
|
L"Visual C++ 2019 Redistributable");
|
|
return false;
|
|
}
|
|
|
|
/* ------------------------------------------ *
|
|
* If hashes match, install redist */
|
|
|
|
wchar_t commandline[MAX_PATH + MAX_PATH];
|
|
StringCbPrintf(commandline, sizeof(commandline),
|
|
L"%s /install /quiet /norestart", destPath.c_str());
|
|
|
|
PROCESS_INFORMATION pi = {};
|
|
STARTUPINFO si = {};
|
|
si.cb = sizeof(si);
|
|
|
|
bool success = !!CreateProcessW(destPath.c_str(), commandline, nullptr,
|
|
nullptr, false, CREATE_NO_WINDOW,
|
|
nullptr, nullptr, &si, &pi);
|
|
if (success) {
|
|
Status(L"Installing %s...", L"Visual C++ 2019 Redistributable");
|
|
|
|
CloseHandle(pi.hThread);
|
|
WaitForSingleObject(pi.hProcess, INFINITE);
|
|
CloseHandle(pi.hProcess);
|
|
} else {
|
|
Status(L"Update failed: Could not execute "
|
|
L"%s (error code %d)",
|
|
L"Visual C++ 2019 Redistributable", (int)GetLastError());
|
|
}
|
|
|
|
DeleteFile(destPath.c_str());
|
|
|
|
waitResult = WaitForSingleObject(cancelRequested, 0);
|
|
if (waitResult == WAIT_OBJECT_0) {
|
|
return false;
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
static void UpdateRegistryVersion(const Manifest &manifest)
|
|
{
|
|
const char *regKey =
|
|
R"(Software\Microsoft\Windows\CurrentVersion\Uninstall\OBS Studio)";
|
|
LSTATUS res;
|
|
HKEY key;
|
|
char version[32];
|
|
int formattedLen;
|
|
|
|
/* The manifest does not store a version string, so we gotta make one ourselves. */
|
|
if (manifest.beta || manifest.rc) {
|
|
formattedLen = sprintf_s(
|
|
version, sizeof(version), "%d.%d.%d-%s%d",
|
|
manifest.version_major, manifest.version_minor,
|
|
manifest.version_patch, manifest.beta ? "beta" : "rc",
|
|
manifest.beta ? manifest.beta : manifest.rc);
|
|
} else {
|
|
formattedLen = sprintf_s(version, sizeof(version), "%d.%d.%d",
|
|
manifest.version_major,
|
|
manifest.version_minor,
|
|
manifest.version_patch);
|
|
}
|
|
|
|
if (formattedLen <= 0)
|
|
return;
|
|
|
|
res = RegOpenKeyExA(HKEY_LOCAL_MACHINE, regKey, 0,
|
|
KEY_WRITE | KEY_WOW64_32KEY, &key);
|
|
if (res != ERROR_SUCCESS)
|
|
return;
|
|
|
|
RegSetValueExA(key, "DisplayVersion", 0, REG_SZ, (const BYTE *)version,
|
|
formattedLen + 1);
|
|
RegCloseKey(key);
|
|
}
|
|
|
|
static void ClearShaderCache()
|
|
{
|
|
wchar_t shader_path[MAX_PATH];
|
|
SHGetFolderPathW(NULL, CSIDL_COMMON_APPDATA, NULL, SHGFP_TYPE_CURRENT,
|
|
shader_path);
|
|
StringCbCatW(shader_path, sizeof(shader_path),
|
|
L"\\obs-studio\\shader-cache");
|
|
filesystem::remove_all(shader_path);
|
|
}
|
|
|
|
extern "C" void UpdateHookFiles(void);
|
|
|
|
static bool Update(wchar_t *cmdLine)
|
|
{
|
|
/* ------------------------------------- *
|
|
* Check to make sure OBS isn't running */
|
|
|
|
HANDLE hObsUpdateMutex =
|
|
OpenMutexW(SYNCHRONIZE, false, L"OBSStudioUpdateMutex");
|
|
if (hObsUpdateMutex) {
|
|
HANDLE hWait[2];
|
|
hWait[0] = hObsUpdateMutex;
|
|
hWait[1] = cancelRequested;
|
|
|
|
int i = WaitForMultipleObjects(2, hWait, false, INFINITE);
|
|
|
|
if (i == WAIT_OBJECT_0)
|
|
ReleaseMutex(hObsUpdateMutex);
|
|
|
|
CloseHandle(hObsUpdateMutex);
|
|
|
|
if (i == WAIT_OBJECT_0 + 1)
|
|
return false;
|
|
}
|
|
|
|
if (!WaitForOBS())
|
|
return false;
|
|
|
|
/* ------------------------------------- *
|
|
* Init crypt stuff */
|
|
|
|
CryptProvider hProvider;
|
|
if (!CryptAcquireContext(&hProvider, nullptr, MS_ENH_RSA_AES_PROV,
|
|
PROV_RSA_AES, CRYPT_VERIFYCONTEXT)) {
|
|
SetDlgItemTextW(hwndMain, IDC_STATUS,
|
|
L"Update failed: CryptAcquireContext failure");
|
|
return false;
|
|
}
|
|
|
|
::hProvider = hProvider;
|
|
|
|
/* ------------------------------------- */
|
|
|
|
SetDlgItemTextW(hwndMain, IDC_STATUS,
|
|
L"Searching for available updates...");
|
|
|
|
HWND hProgress = GetDlgItem(hwndMain, IDC_PROGRESS);
|
|
LONG_PTR style = GetWindowLongPtr(hProgress, GWL_STYLE);
|
|
SetWindowLongPtr(hProgress, GWL_STYLE, style | PBS_MARQUEE);
|
|
|
|
SendDlgItemMessage(hwndMain, IDC_PROGRESS, PBM_SETMARQUEE, 1, 0);
|
|
|
|
/* ------------------------------------- *
|
|
* Check if updating portable build */
|
|
|
|
bool bIsPortable = false;
|
|
wstring branch = L"stable";
|
|
wstring appdata;
|
|
|
|
if (cmdLine[0]) {
|
|
int argc;
|
|
LPWSTR *argv = CommandLineToArgvW(cmdLine, &argc);
|
|
|
|
if (argv) {
|
|
for (int i = 0; i < argc; i++) {
|
|
if (wcscmp(argv[i], L"Portable") == 0) {
|
|
// Legacy OBS
|
|
bIsPortable = true;
|
|
break;
|
|
} else if (wcsncmp(argv[i], L"--branch=", 9) ==
|
|
0) {
|
|
branch = argv[i] + 9;
|
|
} else if (wcsncmp(argv[i], L"--appdata=",
|
|
10) == 0) {
|
|
appdata = argv[i] + 10;
|
|
} else if (wcscmp(argv[i], L"--portable") ==
|
|
0) {
|
|
bIsPortable = true;
|
|
} else if (wcsncmp(argv[i],
|
|
L"--portable--branch=",
|
|
19) == 0) {
|
|
/* Versions pre-29.1 beta 2 produce broken parameters :( */
|
|
bIsPortable = true;
|
|
branch = argv[i] + 19;
|
|
}
|
|
}
|
|
LocalFree((HLOCAL)argv);
|
|
}
|
|
}
|
|
|
|
/* ------------------------------------- *
|
|
* Get config path */
|
|
|
|
wchar_t lpAppDataPath[MAX_PATH];
|
|
lpAppDataPath[0] = 0;
|
|
|
|
if (bIsPortable) {
|
|
StringCbCopy(lpAppDataPath, sizeof(lpAppDataPath),
|
|
obs_base_directory);
|
|
StringCbCat(lpAppDataPath, sizeof(lpAppDataPath), L"\\config");
|
|
} else {
|
|
if (!appdata.empty()) {
|
|
HRESULT hr = StringCbCopy(lpAppDataPath,
|
|
sizeof(lpAppDataPath),
|
|
appdata.c_str());
|
|
if (hr != S_OK) {
|
|
Status(L"Update failed: Could not determine AppData "
|
|
L"location");
|
|
return false;
|
|
}
|
|
} else {
|
|
CoTaskMemPtr<wchar_t> pOut;
|
|
HRESULT hr = SHGetKnownFolderPath(
|
|
FOLDERID_RoamingAppData, KF_FLAG_DEFAULT,
|
|
nullptr, &pOut);
|
|
if (hr != S_OK) {
|
|
Status(L"Update failed: Could not determine AppData "
|
|
L"location");
|
|
return false;
|
|
}
|
|
|
|
StringCbCopy(lpAppDataPath, sizeof(lpAppDataPath),
|
|
pOut);
|
|
}
|
|
}
|
|
|
|
StringCbCat(lpAppDataPath, sizeof(lpAppDataPath), L"\\obs-studio");
|
|
|
|
/* ------------------------------------- *
|
|
* Get download path */
|
|
|
|
wchar_t manifestPath[MAX_PATH];
|
|
wchar_t tempDirName[MAX_PATH];
|
|
|
|
manifestPath[0] = 0;
|
|
tempDirName[0] = 0;
|
|
|
|
StringCbPrintf(manifestPath, sizeof(manifestPath),
|
|
L"%s\\updates\\manifest.json", lpAppDataPath);
|
|
if (!GetTempPathW(_countof(tempDirName), tempDirName)) {
|
|
Status(L"Update failed: Failed to get temp path: %ld",
|
|
GetLastError());
|
|
return false;
|
|
}
|
|
if (!GetTempFileNameW(tempDirName, L"obs-studio", 0, tempPath)) {
|
|
Status(L"Update failed: Failed to create temp dir name: %ld",
|
|
GetLastError());
|
|
return false;
|
|
}
|
|
|
|
DeleteFile(tempPath);
|
|
CreateDirectory(tempPath, nullptr);
|
|
|
|
/* ------------------------------------- *
|
|
* Load manifest file */
|
|
|
|
Manifest manifest;
|
|
{
|
|
string manifestFile = QuickReadFile(manifestPath);
|
|
if (manifestFile.empty()) {
|
|
Status(L"Update failed: Couldn't load manifest file");
|
|
return false;
|
|
}
|
|
|
|
try {
|
|
json manifestContents = json::parse(manifestFile);
|
|
manifest = manifestContents.get<Manifest>();
|
|
} catch (json::exception &e) {
|
|
Status(L"Update failed: Couldn't parse update "
|
|
L"manifest: %S",
|
|
e.what());
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/* ------------------------------------- *
|
|
* Hash local files listed in manifest */
|
|
|
|
RunHasherWorkers(4, manifest.packages);
|
|
|
|
/* ------------------------------------- *
|
|
* Parse current manifest update files */
|
|
|
|
for (const Package &package : manifest.packages) {
|
|
if (!AddPackageUpdateFiles(package, branch.c_str())) {
|
|
Status(L"Update failed: Failed to process update packages");
|
|
return false;
|
|
}
|
|
|
|
/* Add removed files to deletion queue (if any) */
|
|
AddPackageRemovedFiles(package);
|
|
}
|
|
|
|
SendDlgItemMessage(hwndMain, IDC_PROGRESS, PBM_SETMARQUEE, 0, 0);
|
|
SetWindowLongPtr(hProgress, GWL_STYLE, style);
|
|
|
|
/* ------------------------------------- *
|
|
* Exit if updates already installed */
|
|
|
|
if (updates.empty()) {
|
|
Status(L"All available updates are already installed.");
|
|
SetDlgItemText(hwndMain, IDC_BUTTON, L"Launch OBS");
|
|
return true;
|
|
}
|
|
|
|
/* ------------------------------------- *
|
|
* Check for VS2019 redistributables */
|
|
|
|
if (!HasVS2019Redist()) {
|
|
if (!UpdateVS2019Redists(manifest.vc2019_redist_x64)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/* ------------------------------------- *
|
|
* Generate file hash json */
|
|
|
|
PatchesRequest files;
|
|
for (update_t &update : updates) {
|
|
if (!update.has_hash)
|
|
continue;
|
|
|
|
char outputPath[MAX_PATH];
|
|
if (!WideToUTF8Buf(outputPath, update.outputPath.c_str()))
|
|
continue;
|
|
|
|
string hash_string;
|
|
HashToString(update.my_hash, hash_string);
|
|
|
|
string package_path;
|
|
package_path = update.packageName;
|
|
package_path += "/";
|
|
package_path += outputPath;
|
|
|
|
files.push_back({package_path, hash_string});
|
|
}
|
|
|
|
/* ------------------------------------- *
|
|
* Send file hashes */
|
|
|
|
string newManifest;
|
|
if (!files.empty()) {
|
|
json request = files;
|
|
string post_body = request.dump();
|
|
|
|
int len = (int)post_body.size();
|
|
size_t compressSize = ZSTD_compressBound(len);
|
|
string compressedJson;
|
|
|
|
compressedJson.resize(compressSize);
|
|
|
|
size_t result =
|
|
ZSTD_compress(compressedJson.data(),
|
|
compressedJson.size(), post_body.data(),
|
|
post_body.size(), ZSTD_CLEVEL_DEFAULT);
|
|
|
|
if (ZSTD_isError(result))
|
|
return false;
|
|
|
|
compressedJson.resize(result);
|
|
|
|
wstring manifestUrl(kPatchManifestURL);
|
|
if (branch != L"stable")
|
|
manifestUrl += L"?branch=" + branch;
|
|
|
|
int responseCode;
|
|
bool success = !!HTTPPostData(manifestUrl.c_str(),
|
|
(BYTE *)compressedJson.data(),
|
|
(int)compressedJson.size(),
|
|
L"Accept-Encoding: gzip",
|
|
&responseCode, newManifest);
|
|
|
|
if (!success)
|
|
return false;
|
|
|
|
if (responseCode != 200) {
|
|
Status(L"Update failed: HTTP/%d while trying to "
|
|
L"download patch manifest",
|
|
responseCode);
|
|
return false;
|
|
}
|
|
} else {
|
|
newManifest = "[]";
|
|
}
|
|
|
|
/* ------------------------------------- *
|
|
* Parse new manifest */
|
|
|
|
PatchesResponse patches;
|
|
try {
|
|
json patchManifest = json::parse(newManifest);
|
|
patches = patchManifest.get<PatchesResponse>();
|
|
} catch (json::exception &e) {
|
|
Status(L"Update failed: Couldn't parse patch manifest: %S",
|
|
e.what());
|
|
return false;
|
|
}
|
|
|
|
/* Update updates with patch information. */
|
|
for (const PatchResponse &patch : patches) {
|
|
UpdateWithPatchIfAvailable(patch);
|
|
}
|
|
|
|
/* ------------------------------------- *
|
|
* Deduplicate Downloads */
|
|
|
|
unordered_set<B2Hash> downloadHashes;
|
|
for (update_t &update : updates) {
|
|
if (downloadHashes.count(update.downloadHash)) {
|
|
update.state = STATE_ALREADY_DOWNLOADED;
|
|
totalFileSize -= update.fileSize;
|
|
completedUpdates++;
|
|
} else {
|
|
downloadHashes.insert(update.downloadHash);
|
|
}
|
|
}
|
|
|
|
/* ------------------------------------- *
|
|
* Download Updates */
|
|
|
|
Status(L"Downloading updates...");
|
|
if (!RunDownloadWorkers(4))
|
|
return false;
|
|
|
|
if ((size_t)completedUpdates != updates.size()) {
|
|
Status(L"Update failed to download all files.");
|
|
return false;
|
|
}
|
|
|
|
/* ------------------------------------- *
|
|
* Install updates */
|
|
|
|
SendDlgItemMessage(hwndMain, IDC_PROGRESS, PBM_SETPOS, 0, 0);
|
|
|
|
Status(L"Installing updates...");
|
|
if (!RunUpdateWorkers(4))
|
|
return false;
|
|
|
|
for (deletion_t &deletion : deletions) {
|
|
if (!RenameRemovedFile(deletion)) {
|
|
Status(L"Update failed: Couldn't remove "
|
|
L"obsolete files");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/* ------------------------------------- *
|
|
* Install virtual camera */
|
|
|
|
auto runcommand = [](wchar_t *cmd) {
|
|
STARTUPINFO si = {};
|
|
si.cb = sizeof(si);
|
|
si.dwFlags = STARTF_USESHOWWINDOW;
|
|
si.wShowWindow = SW_HIDE;
|
|
|
|
PROCESS_INFORMATION pi;
|
|
bool success = !!CreateProcessW(nullptr, cmd, nullptr, nullptr,
|
|
false, CREATE_NEW_CONSOLE,
|
|
nullptr, nullptr, &si, &pi);
|
|
if (success) {
|
|
WaitForSingleObject(pi.hProcess, INFINITE);
|
|
CloseHandle(pi.hThread);
|
|
CloseHandle(pi.hProcess);
|
|
}
|
|
};
|
|
|
|
if (!bIsPortable) {
|
|
Status(L"Installing Virtual Camera...");
|
|
wchar_t regsvr[MAX_PATH];
|
|
wchar_t src[MAX_PATH];
|
|
wchar_t tmp[MAX_PATH];
|
|
wchar_t tmp2[MAX_PATH];
|
|
|
|
SHGetFolderPathW(nullptr, CSIDL_SYSTEM, nullptr,
|
|
SHGFP_TYPE_CURRENT, regsvr);
|
|
StringCbCat(regsvr, sizeof(regsvr), L"\\regsvr32.exe");
|
|
|
|
StringCbCopy(src, sizeof(src), obs_base_directory);
|
|
StringCbCat(src, sizeof(src),
|
|
L"\\data\\obs-plugins\\win-dshow\\");
|
|
|
|
StringCbCopy(tmp, sizeof(tmp), L"\"");
|
|
StringCbCat(tmp, sizeof(tmp), regsvr);
|
|
StringCbCat(tmp, sizeof(tmp), L"\" /s \"");
|
|
StringCbCat(tmp, sizeof(tmp), src);
|
|
StringCbCat(tmp, sizeof(tmp), L"obs-virtualcam-module");
|
|
|
|
StringCbCopy(tmp2, sizeof(tmp2), tmp);
|
|
StringCbCat(tmp2, sizeof(tmp2), L"32.dll\"");
|
|
runcommand(tmp2);
|
|
|
|
StringCbCopy(tmp2, sizeof(tmp2), tmp);
|
|
StringCbCat(tmp2, sizeof(tmp2), L"64.dll\"");
|
|
runcommand(tmp2);
|
|
}
|
|
|
|
/* ------------------------------------- *
|
|
* Update hook files and vulkan registry */
|
|
|
|
Status(L"Updating Game Capture hooks...");
|
|
UpdateHookFiles();
|
|
|
|
/* ------------------------------------- *
|
|
* Clear shader cache */
|
|
|
|
Status(L"Clearing shader cache...");
|
|
ClearShaderCache();
|
|
|
|
/* ------------------------------------- *
|
|
* Update installed version in registry */
|
|
|
|
if (!bIsPortable) {
|
|
Status(L"Updating version information...");
|
|
UpdateRegistryVersion(manifest);
|
|
}
|
|
|
|
/* ------------------------------------- *
|
|
* Finish */
|
|
|
|
Status(L"Cleaning up...");
|
|
/* If we get here, all updates installed successfully so we can purge
|
|
* the old versions */
|
|
for (update_t &update : updates) {
|
|
if (!update.previousFile.empty())
|
|
DeleteFile(update.previousFile.c_str());
|
|
}
|
|
|
|
/* Delete all removed files mentioned in the manifest */
|
|
for (deletion_t &deletion : deletions)
|
|
MyDeleteFile(deletion.deleteMeFilename);
|
|
|
|
SendDlgItemMessage(hwndMain, IDC_PROGRESS, PBM_SETPOS, 100, 0);
|
|
|
|
Status(L"Update complete.");
|
|
SetDlgItemText(hwndMain, IDC_BUTTON, L"Launch OBS");
|
|
return true;
|
|
}
|
|
|
|
static DWORD WINAPI UpdateThread(void *arg)
|
|
{
|
|
wchar_t *cmdLine = (wchar_t *)arg;
|
|
|
|
bool success = Update(cmdLine);
|
|
|
|
if (!success) {
|
|
/* This handles deleting temp files and rolling back and
|
|
* partially installed updates */
|
|
CleanupPartialUpdates();
|
|
|
|
if (tempPath[0])
|
|
RemoveDirectory(tempPath);
|
|
|
|
if (WaitForSingleObject(cancelRequested, 0) == WAIT_OBJECT_0)
|
|
Status(L"Update aborted.");
|
|
|
|
HWND hProgress = GetDlgItem(hwndMain, IDC_PROGRESS);
|
|
LONG_PTR style = GetWindowLongPtr(hProgress, GWL_STYLE);
|
|
SetWindowLongPtr(hProgress, GWL_STYLE, style & ~PBS_MARQUEE);
|
|
SendMessage(hProgress, PBM_SETSTATE, PBST_ERROR, 0);
|
|
|
|
SetDlgItemText(hwndMain, IDC_BUTTON, L"Exit");
|
|
EnableWindow(GetDlgItem(hwndMain, IDC_BUTTON), true);
|
|
|
|
updateFailed = true;
|
|
} else {
|
|
if (tempPath[0])
|
|
RemoveDirectory(tempPath);
|
|
}
|
|
|
|
if (bExiting)
|
|
ExitProcess(success);
|
|
return 0;
|
|
}
|
|
|
|
static void CancelUpdate(bool quit)
|
|
{
|
|
if (WaitForSingleObject(updateThread, 0) != WAIT_OBJECT_0) {
|
|
bExiting = quit;
|
|
SetEvent(cancelRequested);
|
|
} else {
|
|
PostQuitMessage(0);
|
|
}
|
|
}
|
|
|
|
static void LaunchOBS(LPWSTR lpCmdLine)
|
|
{
|
|
wchar_t newCwd[MAX_PATH];
|
|
wchar_t obsPath[MAX_PATH];
|
|
|
|
StringCbCopy(obsPath, sizeof(obsPath), obs_base_directory);
|
|
StringCbCat(obsPath, sizeof(obsPath), L"\\bin\\64bit");
|
|
SetCurrentDirectory(obsPath);
|
|
StringCbCopy(newCwd, sizeof(newCwd), obsPath);
|
|
|
|
StringCbCat(obsPath, sizeof(obsPath), L"\\obs64.exe");
|
|
|
|
if (!FileExists(obsPath)) {
|
|
/* TODO: give user a message maybe? */
|
|
return;
|
|
}
|
|
|
|
SHELLEXECUTEINFO execInfo;
|
|
|
|
ZeroMemory(&execInfo, sizeof(execInfo));
|
|
|
|
execInfo.cbSize = sizeof(execInfo);
|
|
execInfo.lpFile = obsPath;
|
|
execInfo.lpDirectory = newCwd;
|
|
execInfo.nShow = SW_SHOWNORMAL;
|
|
|
|
if (lpCmdLine[0])
|
|
execInfo.lpParameters = lpCmdLine;
|
|
|
|
ShellExecuteEx(&execInfo);
|
|
}
|
|
|
|
static INT_PTR CALLBACK UpdateDialogProc(HWND hwnd, UINT message, WPARAM wParam,
|
|
LPARAM lParam)
|
|
{
|
|
switch (message) {
|
|
case WM_INITDIALOG: {
|
|
static HICON hMainIcon =
|
|
LoadIcon(hinstMain, MAKEINTRESOURCE(IDI_ICON1));
|
|
SendMessage(hwnd, WM_SETICON, ICON_BIG, (LPARAM)hMainIcon);
|
|
SendMessage(hwnd, WM_SETICON, ICON_SMALL, (LPARAM)hMainIcon);
|
|
return true;
|
|
}
|
|
|
|
case WM_COMMAND:
|
|
if (LOWORD(wParam) == IDC_BUTTON) {
|
|
if (HIWORD(wParam) == BN_CLICKED) {
|
|
DWORD result =
|
|
WaitForSingleObject(updateThread, 0);
|
|
if (result == WAIT_OBJECT_0) {
|
|
if (updateFailed)
|
|
PostQuitMessage(0);
|
|
else
|
|
PostQuitMessage(1);
|
|
} else {
|
|
EnableWindow((HWND)lParam, false);
|
|
CancelUpdate(false);
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
|
|
case WM_CLOSE:
|
|
CancelUpdate(true);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static int RestartAsAdmin(LPCWSTR lpCmdLine, LPCWSTR cwd)
|
|
{
|
|
wchar_t myPath[MAX_PATH];
|
|
if (!GetModuleFileNameW(nullptr, myPath, _countof(myPath) - 1)) {
|
|
return 0;
|
|
}
|
|
|
|
/* If the admin is a different user, add the path to the user's
|
|
* AppData to the command line so we can load the correct manifest. */
|
|
wstring elevatedCmdLine(lpCmdLine);
|
|
CoTaskMemPtr<wchar_t> pOut;
|
|
HRESULT hr = SHGetKnownFolderPath(FOLDERID_RoamingAppData,
|
|
KF_FLAG_DEFAULT, nullptr, &pOut);
|
|
if (hr == S_OK) {
|
|
elevatedCmdLine += L" \"--appdata=";
|
|
elevatedCmdLine += pOut;
|
|
elevatedCmdLine += L"\"";
|
|
}
|
|
|
|
SHELLEXECUTEINFO shExInfo = {0};
|
|
shExInfo.cbSize = sizeof(shExInfo);
|
|
shExInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
|
|
shExInfo.hwnd = nullptr;
|
|
shExInfo.lpVerb = L"runas"; /* Operation to perform */
|
|
shExInfo.lpFile = myPath; /* Application to start */
|
|
shExInfo.lpParameters =
|
|
elevatedCmdLine.c_str(); /* Additional parameters */
|
|
shExInfo.lpDirectory = cwd;
|
|
shExInfo.nShow = SW_NORMAL;
|
|
shExInfo.hInstApp = nullptr;
|
|
|
|
/* annoyingly the actual elevated updater will disappear behind other
|
|
* windows :( */
|
|
AllowSetForegroundWindow(ASFW_ANY);
|
|
|
|
if (ShellExecuteEx(&shExInfo)) {
|
|
DWORD exitCode;
|
|
|
|
WaitForSingleObject(shExInfo.hProcess, INFINITE);
|
|
|
|
if (GetExitCodeProcess(shExInfo.hProcess, &exitCode)) {
|
|
if (exitCode == 1) {
|
|
return exitCode;
|
|
}
|
|
}
|
|
CloseHandle(shExInfo.hProcess);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static bool HasElevation()
|
|
{
|
|
SID_IDENTIFIER_AUTHORITY sia = SECURITY_NT_AUTHORITY;
|
|
PSID sid = nullptr;
|
|
BOOL elevated = false;
|
|
BOOL success;
|
|
|
|
success = AllocateAndInitializeSid(&sia, 2, SECURITY_BUILTIN_DOMAIN_RID,
|
|
DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0,
|
|
0, 0, &sid);
|
|
if (success && sid) {
|
|
CheckTokenMembership(nullptr, sid, &elevated);
|
|
FreeSid(sid);
|
|
}
|
|
|
|
return elevated;
|
|
}
|
|
|
|
int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE, LPWSTR lpCmdLine, int)
|
|
{
|
|
INITCOMMONCONTROLSEX icce;
|
|
|
|
wchar_t cwd[MAX_PATH];
|
|
GetCurrentDirectoryW(_countof(cwd) - 1, cwd);
|
|
|
|
if (!IsWindows10OrGreater()) {
|
|
MessageBox(
|
|
nullptr,
|
|
L"OBS Studio 28 and newer no longer support Windows 7,"
|
|
L" Windows 8, or Windows 8.1. You can disable the"
|
|
L" following setting to opt out of future updates:"
|
|
L" Settings → General → General → Automatically check"
|
|
L" for updates on startup",
|
|
L"Unsupported Operating System", MB_ICONWARNING);
|
|
return 0;
|
|
}
|
|
|
|
if (!HasElevation()) {
|
|
|
|
WinHandle hMutex = OpenMutex(
|
|
SYNCHRONIZE, false, L"OBSUpdaterRunningAsNonAdminUser");
|
|
if (hMutex) {
|
|
MessageBox(
|
|
nullptr,
|
|
L"OBS Studio Updater must be run as an administrator.",
|
|
L"Updater Error", MB_ICONWARNING);
|
|
return 2;
|
|
}
|
|
|
|
HANDLE hLowMutex = CreateMutexW(
|
|
nullptr, true, L"OBSUpdaterRunningAsNonAdminUser");
|
|
|
|
/* return code 1 = user wanted to launch OBS */
|
|
if (RestartAsAdmin(lpCmdLine, cwd) == 1) {
|
|
StringCbCat(cwd, sizeof(cwd), L"\\..\\..");
|
|
GetFullPathName(cwd, _countof(obs_base_directory),
|
|
obs_base_directory, nullptr);
|
|
SetCurrentDirectory(obs_base_directory);
|
|
|
|
LaunchOBS(lpCmdLine);
|
|
}
|
|
|
|
if (hLowMutex) {
|
|
ReleaseMutex(hLowMutex);
|
|
CloseHandle(hLowMutex);
|
|
}
|
|
|
|
return 0;
|
|
} else {
|
|
StringCbCat(cwd, sizeof(cwd), L"\\..\\..");
|
|
GetFullPathName(cwd, _countof(obs_base_directory),
|
|
obs_base_directory, nullptr);
|
|
SetCurrentDirectory(obs_base_directory);
|
|
|
|
hinstMain = hInstance;
|
|
|
|
icce.dwSize = sizeof(icce);
|
|
icce.dwICC = ICC_PROGRESS_CLASS;
|
|
|
|
InitCommonControlsEx(&icce);
|
|
|
|
hwndMain = CreateDialog(hInstance,
|
|
MAKEINTRESOURCE(IDD_UPDATEDIALOG),
|
|
nullptr, UpdateDialogProc);
|
|
if (!hwndMain) {
|
|
return -1;
|
|
}
|
|
|
|
ShowWindow(hwndMain, SW_SHOWNORMAL);
|
|
SetForegroundWindow(hwndMain);
|
|
|
|
cancelRequested = CreateEvent(nullptr, true, false, nullptr);
|
|
updateThread = CreateThread(nullptr, 0, UpdateThread, lpCmdLine,
|
|
0, nullptr);
|
|
|
|
MSG msg;
|
|
while (GetMessage(&msg, nullptr, 0, 0)) {
|
|
if (!IsDialogMessage(hwndMain, &msg)) {
|
|
TranslateMessage(&msg);
|
|
DispatchMessage(&msg);
|
|
}
|
|
}
|
|
|
|
/* there is no non-elevated process waiting for us if UAC is
|
|
* disabled */
|
|
WinHandle hMutex = OpenMutex(
|
|
SYNCHRONIZE, false, L"OBSUpdaterRunningAsNonAdminUser");
|
|
if (msg.wParam == 1 && !hMutex) {
|
|
LaunchOBS(lpCmdLine);
|
|
}
|
|
|
|
return (int)msg.wParam;
|
|
}
|
|
}
|