mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 14:22:43 +00:00
104 lines
3.4 KiB
C++
104 lines
3.4 KiB
C++
/*
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* Copyright (c) 2020, The SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "DHCPv4Client.h"
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#include <AK/JsonArray.h>
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#include <AK/JsonObject.h>
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#include <AK/String.h>
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#include <AK/Types.h>
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#include <LibCore/EventLoop.h>
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#include <LibCore/File.h>
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#include <LibCore/LocalServer.h>
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#include <stdio.h>
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#include <string.h>
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static u8 mac_part(const Vector<String>& parts, size_t index)
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{
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auto chars = parts.at(index).characters();
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return (chars[0] - '0') * 16 + (chars[1] - '0');
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}
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static MACAddress mac_from_string(const String& str)
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{
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auto chunks = str.split(':');
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ASSERT(chunks.size() == 6); // should we...worry about this?
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return {
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mac_part(chunks, 0), mac_part(chunks, 1), mac_part(chunks, 2),
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mac_part(chunks, 3), mac_part(chunks, 4), mac_part(chunks, 5)
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};
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}
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int main([[maybe_unused]] int argc, [[maybe_unused]] char** argv)
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{
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if (pledge("stdio unix inet cpath rpath fattr", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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Core::EventLoop event_loop;
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if (unveil("/proc/net/", "r") < 0) {
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perror("unveil");
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return 1;
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}
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unveil(nullptr, nullptr);
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auto file = Core::File::construct("/proc/net/adapters");
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if (!file->open(Core::IODevice::ReadOnly)) {
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warnln("Error: {}", file->error_string());
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return 1;
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}
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auto file_contents = file->read_all();
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auto json = JsonValue::from_string(file_contents);
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if (!json.has_value() || !json.value().is_array()) {
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warnln("Error: No network adapters available");
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return 1;
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}
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Vector<InterfaceDescriptor> ifnames;
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json.value().as_array().for_each([&ifnames](auto& value) {
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auto if_object = value.as_object();
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if (if_object.get("class_name").to_string() == "LoopbackAdapter")
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return;
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auto name = if_object.get("name").to_string();
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auto mac = if_object.get("mac_address").to_string();
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ifnames.append({ name, mac_from_string(mac) });
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});
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auto client = DHCPv4Client::construct(move(ifnames));
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if (pledge("stdio inet", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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return event_loop.exec();
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}
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