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https://github.com/robbert-vdh/yabridge.git
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Robbert van der Helm
56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
// yabridge: a Wine plugin bridge
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// Copyright (C) 2020-2023 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 "common.h"
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#include <random>
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#include <sstream>
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#include "../utils.h"
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namespace fs = ghc::filesystem;
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/**
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* Used for generating random identifiers.
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*/
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constexpr char alphanumeric_characters[] =
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"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
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ghc::filesystem::path generate_endpoint_base(const std::string& plugin_name) {
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fs::path temp_directory = get_temporary_directory();
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std::random_device random_device;
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std::mt19937 rng(random_device());
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fs::path candidate_endpoint;
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do {
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std::string random_id;
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std::sample(
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alphanumeric_characters,
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alphanumeric_characters + strlen(alphanumeric_characters) - 1,
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std::back_inserter(random_id), 8, rng);
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// We'll get rid of the file descriptors immediately after accepting the
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// sockets, so putting them inside of a subdirectory would only leave
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// behind an empty directory
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std::ostringstream socket_name;
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socket_name << "yabridge-" << plugin_name << "-" << random_id;
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candidate_endpoint = temp_directory / socket_name.str();
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} while (fs::exists(candidate_endpoint));
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return candidate_endpoint;
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}
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