336 lines
11 KiB
C++
336 lines
11 KiB
C++
/*************************************************************************/
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/* hostfxr_resolver.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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/*
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Adapted to Godot from the nethost library: https://github.com/dotnet/runtime/tree/main/src/native/corehost
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*/
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/*
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The MIT License (MIT)
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Copyright (c) .NET Foundation and Contributors
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All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include "hostfxr_resolver.h"
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#include "core/config/engine.h"
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#include "core/io/dir_access.h"
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#include "core/io/file_access.h"
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#include "core/os/os.h"
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#ifdef WINDOWS_ENABLED
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#endif
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#include "../utils/path_utils.h"
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#include "semver.h"
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// We don't use libnethost as it gives us issues with some compilers.
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// This file tries to mimic libnethost's hostfxr_resolver search logic. We try to use the
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// same function names for easier comparing in case we need to update this in the future.
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namespace {
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String get_hostfxr_file_name() {
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#if defined(WINDOWS_ENABLED) || defined(UWP_ENABLED)
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return "hostfxr.dll";
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#elif defined(MACOS_ENABLED) || defined(IOS_ENABLED)
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return "libhostfxr.dylib";
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#else
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return "libhostfxr.so";
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#endif
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}
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bool get_latest_fxr(const String &fxr_root, String &r_fxr_path) {
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godotsharp::SemVerParser sem_ver_parser;
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bool found_ver = false;
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godotsharp::SemVer latest_ver;
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String latest_ver_str;
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Ref<DirAccess> da = DirAccess::open(fxr_root);
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da->list_dir_begin();
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for (String dir = da->get_next(); !dir.is_empty(); dir = da->get_next()) {
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if (!da->current_is_dir() || dir == "." || dir == "..") {
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continue;
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}
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String ver = dir.get_file();
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godotsharp::SemVer fx_ver;
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if (sem_ver_parser.parse(ver, fx_ver)) {
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if (!found_ver || fx_ver > latest_ver) {
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latest_ver = fx_ver;
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latest_ver_str = ver;
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found_ver = true;
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}
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}
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}
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if (!found_ver) {
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return false;
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}
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String fxr_with_ver = path::join(fxr_root, latest_ver_str);
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String hostfxr_file_path = path::join(fxr_with_ver, get_hostfxr_file_name());
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ERR_FAIL_COND_V_MSG(!FileAccess::exists(hostfxr_file_path), false, "Missing hostfxr library in directory: " + fxr_with_ver);
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r_fxr_path = hostfxr_file_path;
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return true;
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}
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#ifdef WINDOWS_ENABLED
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typedef BOOL(WINAPI *LPFN_ISWOW64PROCESS)(HANDLE, PBOOL);
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BOOL is_wow64() {
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BOOL wow64 = FALSE;
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LPFN_ISWOW64PROCESS fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(GetModuleHandle(TEXT("kernel32")), "IsWow64Process");
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if (fnIsWow64Process) {
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if (!fnIsWow64Process(GetCurrentProcess(), &wow64)) {
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wow64 = FALSE;
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}
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}
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return wow64;
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}
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#endif
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static const char *arch_name_map[][2] = {
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{ "arm32", "arm" },
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{ "arm64", "arm64" },
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{ "rv64", "riscv64" },
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{ "x86_64", "x64" },
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{ "x86_32", "x86" },
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{ nullptr, nullptr }
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};
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String get_dotnet_arch() {
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String arch = Engine::get_singleton()->get_architecture_name();
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int idx = 0;
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while (arch_name_map[idx][0] != nullptr) {
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if (arch_name_map[idx][0] == arch) {
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return arch_name_map[idx][1];
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}
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idx++;
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}
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return "";
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}
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bool get_default_installation_dir(String &r_dotnet_root) {
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#if defined(WINDOWS_ENABLED)
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String program_files_env;
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if (is_wow64()) {
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// Running x86 on x64, looking for x86 install
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program_files_env = "ProgramFiles(x86)";
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} else {
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program_files_env = "ProgramFiles";
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}
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String program_files_dir = OS::get_singleton()->get_environment(program_files_env);
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if (program_files_dir.is_empty()) {
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return false;
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}
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#if defined(__x86_64) || defined(__x86_64__) || defined(__amd64__) || defined(_M_X64)
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// When emulating x64 on arm
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String dotnet_root_emulated = path::join(program_files_dir, "dotnet", "x64");
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if (FileAccess::exists(path::join(dotnet_root_emulated, "dotnet.exe"))) {
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r_dotnet_root = dotnet_root_emulated;
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return true;
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}
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#endif
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r_dotnet_root = path::join(program_files_dir, "dotnet");
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return true;
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#elif defined(MACOS_ENABLED)
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r_dotnet_root = "/usr/local/share/dotnet";
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#if defined(__x86_64) || defined(__x86_64__) || defined(__amd64__) || defined(_M_X64)
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// When emulating x64 on arm
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String dotnet_root_emulated = path::join(r_dotnet_root, "x64");
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if (FileAccess::exists(path::join(dotnet_root_emulated, "dotnet"))) {
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r_dotnet_root = dotnet_root_emulated;
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return true;
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}
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#endif
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return true;
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#else
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r_dotnet_root = "/usr/share/dotnet";
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return true;
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#endif
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}
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bool get_install_location_from_file(const String &p_file_path, String &r_dotnet_root) {
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Error err = OK;
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Ref<FileAccess> f = FileAccess::open(p_file_path, FileAccess::READ, &err);
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if (f.is_null() || err != OK) {
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return false;
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}
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String line = f->get_line();
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if (line.is_empty()) {
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return false;
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}
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r_dotnet_root = line;
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return true;
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}
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bool get_dotnet_self_registered_dir(String &r_dotnet_root) {
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#if defined(WINDOWS_ENABLED)
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String sub_key = "SOFTWARE\\dotnet\\Setup\\InstalledVersions\\" + get_dotnet_arch();
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Char16String value = String("InstallLocation").utf16();
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HKEY hkey = NULL;
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LSTATUS result = RegOpenKeyExW(HKEY_LOCAL_MACHINE, (LPCWSTR)(sub_key.utf16().get_data()), 0, KEY_READ | KEY_WOW64_32KEY, &hkey);
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if (result != ERROR_SUCCESS) {
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return false;
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}
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DWORD size = 0;
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result = RegGetValueW(hkey, nullptr, (LPCWSTR)(value.get_data()), RRF_RT_REG_SZ, nullptr, nullptr, &size);
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if (result != ERROR_SUCCESS || size == 0) {
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RegCloseKey(hkey);
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return false;
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}
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Vector<WCHAR> buffer;
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buffer.resize(size / sizeof(WCHAR));
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result = RegGetValueW(hkey, nullptr, (LPCWSTR)(value.get_data()), RRF_RT_REG_SZ, nullptr, (LPBYTE)buffer.ptrw(), &size);
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if (result != ERROR_SUCCESS) {
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RegCloseKey(hkey);
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return false;
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}
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r_dotnet_root = String::utf16((const char16_t *)buffer.ptr());
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RegCloseKey(hkey);
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return true;
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#else
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String install_location_file = path::join("/etc/dotnet", "install_location_" + get_dotnet_arch().to_lower());
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if (get_install_location_from_file(install_location_file, r_dotnet_root)) {
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return true;
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}
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if (FileAccess::exists(install_location_file)) {
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// Don't try with the legacy location, this will fall back to the hard-coded default install location
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return false;
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}
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String legacy_install_location_file = path::join("/etc/dotnet", "install_location");
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return get_install_location_from_file(legacy_install_location_file, r_dotnet_root);
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#endif
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}
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bool get_file_path_from_env(const String &p_env_key, String &r_dotnet_root) {
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String env_value = OS::get_singleton()->get_environment(p_env_key);
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if (!env_value.is_empty()) {
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env_value = path::realpath(env_value);
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if (DirAccess::exists(env_value)) {
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r_dotnet_root = env_value;
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return true;
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}
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}
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return false;
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}
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bool get_dotnet_root_from_env(String &r_dotnet_root) {
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String dotnet_root_env = "DOTNET_ROOT";
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String arch_for_env = get_dotnet_arch();
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if (!arch_for_env.is_empty()) {
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// DOTNET_ROOT_<arch>
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if (get_file_path_from_env(dotnet_root_env + "_" + arch_for_env.to_upper(), r_dotnet_root)) {
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return true;
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}
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}
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#ifdef WINDOWS_ENABLED
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// WoW64-only: DOTNET_ROOT(x86)
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if (is_wow64() && get_file_path_from_env("DOTNET_ROOT(x86)", r_dotnet_root)) {
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return true;
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}
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#endif
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// DOTNET_ROOT
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return get_file_path_from_env(dotnet_root_env, r_dotnet_root);
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}
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} //namespace
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bool godotsharp::hostfxr_resolver::try_get_path_from_dotnet_root(const String &p_dotnet_root, String &r_fxr_path) {
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String fxr_dir = path::join(p_dotnet_root, "host", "fxr");
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ERR_FAIL_COND_V_MSG(!DirAccess::exists(fxr_dir), false, "The host fxr folder does not exist: " + fxr_dir);
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return get_latest_fxr(fxr_dir, r_fxr_path);
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}
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bool godotsharp::hostfxr_resolver::try_get_path(String &r_dotnet_root, String &r_fxr_path) {
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if (!get_dotnet_root_from_env(r_dotnet_root) &&
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!get_dotnet_self_registered_dir(r_dotnet_root) &&
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!get_default_installation_dir(r_dotnet_root)) {
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return false;
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}
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return try_get_path_from_dotnet_root(r_dotnet_root, r_fxr_path);
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}
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