mirror of
https://github.com/robbert-vdh/yabridge.git
synced 2026-05-08 12:30:12 +02:00
Robbert van der Helm
89378e8862
If these ever fail (because the function names change, not that that should happen anytime soon) then you'll now get the expected logging output instead of it just printing an assertion failure to the terminal.
127 lines
4.7 KiB
C++
127 lines
4.7 KiB
C++
// yabridge: a Wine plugin bridge
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// Copyright (C) 2020-2022 Robbert van der Helm
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#include "utils.h"
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#include <dlfcn.h>
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// Generated inside of the build directory
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#include <config.h>
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#include "../common/linking.h"
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#include "../common/logging/common.h"
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#include "../common/notifications.h"
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#include "../common/process.h"
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namespace fs = ghc::filesystem;
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void* find_plugin_library(const std::string& name) {
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// Just using a goto for this would probably be cleaner, but yeah...
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const auto impl = [&name]() -> void* {
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// If `name` exists right next to the Wine plugin host binary, then
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// we'll try loading that. Otherwise we'll fall back to regular
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// `dlopen()` for distro packaged versions of yabridge
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const std::vector<fs::path> search_path = get_augmented_search_path();
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if (const auto& yabridge_host_path =
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search_in_path(search_path, yabridge_host_name)) {
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const fs::path candidate = yabridge_host_path->parent_path() / name;
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if (fs::exists(candidate)) {
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return dlopen(candidate.c_str(), RTLD_LAZY | RTLD_LOCAL);
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}
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}
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if (const auto& yabridge_host_32_path =
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search_in_path(search_path, yabridge_host_name_32bit)) {
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const fs::path candidate =
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yabridge_host_32_path->parent_path() / name;
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if (fs::exists(candidate)) {
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return dlopen(candidate.c_str(), RTLD_LAZY | RTLD_LOCAL);
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}
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}
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if (void* handle = dlopen(name.c_str(), RTLD_LAZY | RTLD_LOCAL)) {
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return handle;
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}
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// One last Hail Mary, in case ldconfig was not set up correctly. This
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// might be relevant for some of the `/usr/local/*` locations (although
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// you really, really shouldn't install yabridge there, please, thank
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// you). Yabridgectl searches through these same directories.
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for (const auto& lib_dir : {
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"/usr/lib",
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"/usr/lib/x86_64-linux-gnu",
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"/usr/lib64",
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"/usr/local/lib",
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"/usr/local/lib/x86_64-linux-gnu",
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"/usr/local/lib64",
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}) {
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const fs::path candidate = fs::path(lib_dir) / name;
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if (void* handle =
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dlopen(candidate.c_str(), RTLD_LAZY | RTLD_LOCAL)) {
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return handle;
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}
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}
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return nullptr;
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};
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void* handle = impl();
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if (!handle) {
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const fs::path this_plugin_path = get_this_file_location();
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Logger logger = Logger::create_exception_logger();
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logger.log("");
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logger.log("Could not find '" + name + "'");
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logger.log("");
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logger.log(
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"Make sure you followed the installation instructions from "
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"yabridge's readme.");
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logger.log("");
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logger.log("Source: '" + this_plugin_path.string() + "'");
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logger.log("");
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// Also show a desktop notification since most people likely won't see
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// the above message
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send_notification("Could not find '" + name + "'",
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"Make sure you followed the installation "
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"instructions from yabridge's readme",
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this_plugin_path);
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}
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return handle;
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}
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void log_failing_dlsym(const std::string& library_name,
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const char* function_name) {
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const fs::path this_plugin_path = get_this_file_location();
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Logger logger = Logger::create_exception_logger();
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logger.log("");
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logger.log("Could not find '" + std::string(function_name) + "' in '" +
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library_name + "'");
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logger.log("");
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logger.log("Try rerunning 'yabridgectl sync'.");
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logger.log("");
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logger.log("Source: '" + this_plugin_path.string() + "'");
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logger.log("");
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send_notification("Could not find '" + std::string(function_name) +
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"' in '" + library_name + "'",
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"Try rerunning 'yabridgectl sync'.", this_plugin_path);
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}
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