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55ea2d892c
We can now just unveil the /dev/beep device node, as well as to restrict the utility functionality for rpath, wpath & stdio related syscalls only because we don't actually need anything else.
25 lines
848 B
C++
25 lines
848 B
C++
/*
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* Copyright (c) 2020-2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibCore/ArgsParser.h>
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#include <LibCore/System.h>
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#include <LibMain/Main.h>
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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TRY(Core::System::pledge("stdio rpath wpath"));
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TRY(Core::System::unveil("/dev/beep", "rw"));
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TRY(Core::System::unveil(nullptr, nullptr));
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Optional<size_t> tone;
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Optional<size_t> milliseconds_duration;
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Core::ArgsParser args_parser;
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args_parser.add_option(tone, "Beep tone", "beep-tone", 'f', "Beep tone (frequency in Hz)");
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args_parser.add_option(milliseconds_duration, "Duration", "duration", 'n', "Duration (in milliseconds)");
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args_parser.parse(arguments);
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TRY(Core::System::beep(tone.value_or(440), milliseconds_duration.value_or(200)));
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return 0;
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}
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