mirror of
https://github.com/LadybirdBrowser/ladybird.git
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5e1499d104
This commit un-deprecates DeprecatedString, and repurposes it as a byte
string.
As the null state has already been removed, there are no other
particularly hairy blockers in repurposing this type as a byte string
(what it _really_ is).
This commit is auto-generated:
$ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \
Meta Ports Ladybird Tests Kernel)
$ perl -pie 's/\bDeprecatedString\b/ByteString/g;
s/deprecated_string/byte_string/g' $xs
$ clang-format --style=file -i \
$(git diff --name-only | grep \.cpp\|\.h)
$ gn format $(git ls-files '*.gn' '*.gni')
121 lines
4.6 KiB
C++
121 lines
4.6 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, Alex Major
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Assertions.h>
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#include <AK/IPv4Address.h>
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#include <AK/JsonArray.h>
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#include <AK/JsonObject.h>
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#include <AK/NumberFormat.h>
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#include <LibCore/ArgsParser.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 <net/if.h>
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#include <netinet/in.h>
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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StringView value_ipv4 {};
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StringView value_adapter {};
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StringView value_mask {};
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Core::ArgsParser args_parser;
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args_parser.set_general_help("Display or modify the configuration of each network interface.");
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args_parser.add_option(value_ipv4, "Set the IP address of the selected network", "ipv4", 'i', "ip");
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args_parser.add_option(value_adapter, "Select a specific network adapter to configure", "adapter", 'a', "adapter");
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args_parser.add_option(value_mask, "Set the network mask of the selected network", "mask", 'm', "mask");
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args_parser.parse(arguments);
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if (value_ipv4.is_empty() && value_adapter.is_empty() && value_mask.is_empty()) {
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auto file = TRY(Core::File::open("/sys/kernel/net/adapters"sv, Core::File::OpenMode::Read));
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auto file_contents = TRY(file->read_until_eof());
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auto json = TRY(JsonValue::from_string(file_contents));
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json.as_array().for_each([](auto& value) {
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auto& if_object = value.as_object();
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auto name = if_object.get_byte_string("name"sv).value_or({});
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auto class_name = if_object.get_byte_string("class_name"sv).value_or({});
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auto mac_address = if_object.get_byte_string("mac_address"sv).value_or({});
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auto ipv4_address = if_object.get_byte_string("ipv4_address"sv).value_or({});
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auto netmask = if_object.get_byte_string("ipv4_netmask"sv).value_or({});
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auto packets_in = if_object.get_u32("packets_in"sv).value_or(0);
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auto bytes_in = if_object.get_u32("bytes_in"sv).value_or(0);
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auto packets_out = if_object.get_u32("packets_out"sv).value_or(0);
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auto bytes_out = if_object.get_u32("bytes_out"sv).value_or(0);
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auto mtu = if_object.get_u32("mtu"sv).value_or(0);
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outln("{}:", name);
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outln("\tmac: {}", mac_address);
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outln("\tipv4: {}", ipv4_address);
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outln("\tnetmask: {}", netmask);
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outln("\tclass: {}", class_name);
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outln("\tRX: {} packets {} bytes ({})", packets_in, bytes_in, human_readable_size(bytes_in));
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outln("\tTX: {} packets {} bytes ({})", packets_out, bytes_out, human_readable_size(bytes_out));
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outln("\tMTU: {}", mtu);
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outln();
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});
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} else {
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if (value_adapter.is_empty()) {
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warnln("No network adapter was specified.");
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return 1;
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}
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ByteString ifname = value_adapter;
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if (!value_ipv4.is_empty()) {
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auto address = IPv4Address::from_string(value_ipv4);
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if (!address.has_value()) {
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warnln("Invalid IPv4 address: '{}'", value_ipv4);
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return 1;
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}
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auto fd = TRY(Core::System::socket(AF_INET, SOCK_DGRAM, IPPROTO_IP));
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struct ifreq ifr;
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memset(&ifr, 0, sizeof(ifr));
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bool fits = ifname.copy_characters_to_buffer(ifr.ifr_name, IFNAMSIZ);
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if (!fits) {
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warnln("Interface name '{}' is too long", ifname);
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return 1;
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}
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ifr.ifr_addr.sa_family = AF_INET;
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((sockaddr_in&)ifr.ifr_addr).sin_addr.s_addr = address.value().to_in_addr_t();
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TRY(Core::System::ioctl(fd, SIOCSIFADDR, &ifr));
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}
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if (!value_mask.is_empty()) {
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auto address = IPv4Address::from_string(value_mask);
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if (!address.has_value()) {
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warnln("Invalid IPv4 mask: '{}'", value_mask);
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return 1;
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}
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auto fd = TRY(Core::System::socket(AF_INET, SOCK_DGRAM, IPPROTO_IP));
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struct ifreq ifr;
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memset(&ifr, 0, sizeof(ifr));
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bool fits = ifname.copy_characters_to_buffer(ifr.ifr_name, IFNAMSIZ);
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if (!fits) {
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warnln("Interface name '{}' is too long", ifname);
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return 1;
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}
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ifr.ifr_netmask.sa_family = AF_INET;
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((sockaddr_in&)ifr.ifr_netmask).sin_addr.s_addr = address.value().to_in_addr_t();
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TRY(Core::System::ioctl(fd, SIOCSIFNETMASK, &ifr));
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}
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}
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return 0;
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}
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