mirror of
https://github.com/LadybirdBrowser/ladybird.git
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73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/*
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* Copyright (c) 2021, Jesse Buhagiar <jooster669@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/ByteBuffer.h>
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#include <AK/JsonArray.h>
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#include <AK/JsonObject.h>
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#include <AK/LexicalPath.h>
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#include <AK/String.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/DirIterator.h>
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#include <LibCore/File.h>
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#include <LibCore/System.h>
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#include <LibMain/Main.h>
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#include <LibUSBDB/Database.h>
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#include <stdio.h>
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#include <unistd.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"));
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TRY(Core::System::unveil("/sys/bus/usb", "r"));
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TRY(Core::System::unveil("/res/usb.ids", "r"));
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TRY(Core::System::unveil(nullptr, nullptr));
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Core::ArgsParser args;
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args.set_general_help("List USB devices.");
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args.parse(arguments);
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Core::DirIterator usb_devices("/sys/bus/usb", Core::DirIterator::SkipDots);
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RefPtr<USBDB::Database> usb_db = USBDB::Database::open();
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if (!usb_db) {
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warnln("Failed to open usb.ids");
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}
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while (usb_devices.has_next()) {
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auto full_path = LexicalPath(usb_devices.next_full_path());
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auto proc_usb_device = Core::File::construct(full_path.string());
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if (!proc_usb_device->open(Core::OpenMode::ReadOnly)) {
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warnln("Failed to open {}: {}", proc_usb_device->name(), proc_usb_device->error_string());
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continue;
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}
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auto contents = proc_usb_device->read_all();
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auto json_or_error = JsonValue::from_string(contents);
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if (json_or_error.is_error()) {
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warnln("Failed to decode JSON: {}", json_or_error.error());
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continue;
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}
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auto json = json_or_error.release_value();
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json.as_array().for_each([usb_db](auto& value) {
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auto& device_descriptor = value.as_object();
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auto device_address = device_descriptor.get("device_address").to_u32();
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auto vendor_id = device_descriptor.get("vendor_id").to_u32();
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auto product_id = device_descriptor.get("product_id").to_u32();
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StringView vendor_string = usb_db->get_vendor(vendor_id);
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StringView device_string = usb_db->get_device(vendor_id, product_id);
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if (device_string.is_empty())
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device_string = "Unknown Device";
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outln("Device {}: ID {:04x}:{:04x} {} {}", device_address, vendor_id, product_id, vendor_string, device_string);
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});
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}
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return 0;
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}
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