mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 23:07:35 +00:00
NetworkServer: Add a new NetworkServer service
This service is responsible for loading network configuration from a /etc/Network.ini config file. It sets up static IP address + mask or starts DHCPClient depending on configuration.
This commit is contained in:
parent
e14d4482a1
commit
ddd4547e13
5 changed files with 109 additions and 6 deletions
87
Userland/Services/NetworkServer/main.cpp
Normal file
87
Userland/Services/NetworkServer/main.cpp
Normal file
|
@ -0,0 +1,87 @@
|
|||
/*
|
||||
* Copyright (c) 2022, Maciej <sppmacd@pm.me>
|
||||
*
|
||||
* SPDX-License-Identifier: BSD-2-Clause
|
||||
*/
|
||||
|
||||
#include <AK/JsonArray.h>
|
||||
#include <AK/JsonObject.h>
|
||||
#include <AK/JsonParser.h>
|
||||
#include <LibCore/Command.h>
|
||||
#include <LibCore/ConfigFile.h>
|
||||
#include <LibCore/EventLoop.h>
|
||||
#include <LibCore/File.h>
|
||||
#include <LibCore/System.h>
|
||||
#include <LibMain/Main.h>
|
||||
#include <unistd.h>
|
||||
|
||||
ErrorOr<int> serenity_main(Main::Arguments)
|
||||
{
|
||||
TRY(Core::System::pledge("stdio recvfd sendfd rpath unix exec proc"));
|
||||
TRY(Core::System::unveil("/proc/net", "r"));
|
||||
TRY(Core::System::unveil("/bin/DHCPClient", "x"));
|
||||
TRY(Core::System::unveil("/etc/Network.ini", "r"));
|
||||
TRY(Core::System::unveil("/bin/ifconfig", "x"));
|
||||
TRY(Core::System::unveil(nullptr, nullptr));
|
||||
|
||||
auto config_file = TRY(Core::ConfigFile::open_for_system("Network"));
|
||||
|
||||
// FIXME: Port this to Core::Stream when it gets read_all.
|
||||
auto proc_net_adapters_file = TRY(Core::File::open("/proc/net/adapters", Core::OpenMode::ReadOnly));
|
||||
auto data = proc_net_adapters_file->read_all();
|
||||
JsonParser parser(data);
|
||||
JsonValue proc_net_adapters_json = TRY(parser.parse());
|
||||
|
||||
auto groups = config_file->groups();
|
||||
dbgln("Interfaces to configure: {}", groups);
|
||||
|
||||
struct InterfaceConfig {
|
||||
bool enabled = false;
|
||||
bool dhcp_enabled = false;
|
||||
String ipv4_address = "0.0.0.0";
|
||||
String ipv4_netmask = "0.0.0.0";
|
||||
};
|
||||
|
||||
Vector<String> interfaces_with_dhcp_enabled;
|
||||
proc_net_adapters_json.as_array().for_each([&](auto& value) {
|
||||
auto& if_object = value.as_object();
|
||||
auto ifname = if_object.get("name").to_string();
|
||||
|
||||
if (ifname == "loop")
|
||||
return;
|
||||
|
||||
InterfaceConfig config;
|
||||
if (!groups.contains_slow(ifname)) {
|
||||
dbgln("Config for interface {} doesn't exist, not enabling it", ifname);
|
||||
} else {
|
||||
config.enabled = config_file->read_bool_entry(ifname, "Enabled", true);
|
||||
config.dhcp_enabled = config_file->read_bool_entry(ifname, "DHCP", false);
|
||||
if (!config.dhcp_enabled) {
|
||||
config.ipv4_address = config_file->read_entry(ifname, "IPv4Address", "0.0.0.0");
|
||||
config.ipv4_netmask = config_file->read_entry(ifname, "IPv4Netmask", "0.0.0.0");
|
||||
}
|
||||
}
|
||||
if (config.enabled) {
|
||||
if (config.dhcp_enabled)
|
||||
interfaces_with_dhcp_enabled.append(ifname);
|
||||
else {
|
||||
// FIXME: Propagate errors
|
||||
// FIXME: Do this asynchronously
|
||||
dbgln("Setting up interface {} statically ({}/{})", ifname, config.ipv4_address, config.ipv4_netmask);
|
||||
MUST(Core::command("ifconfig", { "-a", ifname.characters(), "-i", config.ipv4_address.characters(), "-m", config.ipv4_netmask.characters() }, {}));
|
||||
}
|
||||
}
|
||||
});
|
||||
if (!interfaces_with_dhcp_enabled.is_empty()) {
|
||||
dbgln("Running DHCPClient for interfaces: {}", interfaces_with_dhcp_enabled);
|
||||
Vector<char*> args;
|
||||
char dhcp_client_arg[] = "DHCPClient";
|
||||
args.append(dhcp_client_arg);
|
||||
for (auto& iface : interfaces_with_dhcp_enabled)
|
||||
args.append(const_cast<char*>(iface.characters()));
|
||||
args.append(nullptr);
|
||||
auto dhcp_client_pid = TRY(Core::System::posix_spawnp("DHCPClient", nullptr, nullptr, args.data(), environ));
|
||||
TRY(Core::System::disown(dhcp_client_pid));
|
||||
}
|
||||
return 0;
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue