RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-14 09:14:58 +00:00
Code Issues Activity Actions

netstat: Resolve ports to service names

Browse source
This commit is contained in:
Brendan Coles 2022-04-03 09:13:28 +00:00 • committed by Andreas Kling
parent 64564a54d4
commit fd6d87df82
2 changed files with 47 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

45
Userland/Utilities/netstat.cpp
View file

@ -14,6 +14,8 @@
#include <LibCore/ProcessStatisticsReader.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <unistd.h>
ErrorOr<int> serenity_main(Main::Arguments arguments)
@ -22,12 +24,14 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
TRY(Core::System::unveil("/proc/net", "r"));
TRY(Core::System::unveil("/proc/all", "r"));
TRY(Core::System::unveil("/etc/passwd", "r"));
TRY(Core::System::unveil("/etc/services", "r"));
TRY(Core::System::unveil(nullptr, nullptr));
bool flag_all = false;
bool flag_list = false;
bool flag_tcp = false;
bool flag_udp = false;
bool flag_numeric = false;
bool flag_program = false;
Core::ArgsParser args_parser;
@ -36,6 +40,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
args_parser.add_option(flag_list, "Display only listening sockets", "list", 'l');
args_parser.add_option(flag_tcp, "Display only TCP network connections", "tcp", 't');
args_parser.add_option(flag_udp, "Display only UDP network connections", "udp", 'u');
args_parser.add_option(flag_numeric, "Display numerical addresses", "numeric", 'n');
args_parser.add_option(flag_program, "Show the PID and name of the program to which each socket belongs", "program", 'p');
args_parser.parse(arguments);
@ -157,11 +162,31 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
auto bytes_in = if_object.get("bytes_in").to_string();
auto bytes_out = if_object.get("bytes_out").to_string();
auto peer_address = if_object.get("peer_address").to_string();
auto peer_port = if_object.get("peer_port").to_string();
if (!flag_numeric) {
auto service = getservbyport(htons(if_object.get("peer_port").to_u32()), "tcp");
if (service != nullptr) {
auto s_name = StringView(service->s_name);
if (!s_name.is_empty())
peer_port = s_name;
}
}
auto formatted_peer_address = String::formatted("{}:{}", peer_address, peer_port);
auto local_address = if_object.get("local_address").to_string();
auto local_port = if_object.get("local_port").to_string();
if (!flag_numeric) {
auto service = getservbyport(htons(if_object.get("local_port").to_u32()), "tcp");
if (service != nullptr) {
auto s_name = StringView(service->s_name);
if (!s_name.is_empty())
local_port = s_name;
}
}
auto formatted_local_address = String::formatted("{}:{}", local_address, local_port);
auto state = if_object.get("state").to_string();
auto origin_pid = (if_object.has("origin_pid")) ? if_object.get("origin_pid").to_u32() : -1;
@ -203,9 +228,29 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
auto& if_object = value.as_object();
auto local_address = if_object.get("local_address").to_string();
auto local_port = if_object.get("local_port").to_string();
if (!flag_numeric) {
auto service = getservbyport(htons(if_object.get("local_port").to_u32()), "udp");
if (service != nullptr) {
auto s_name = StringView(service->s_name);
if (!s_name.is_empty())
local_port = s_name;
}
}
auto peer_address = if_object.get("peer_address").to_string();
auto peer_port = if_object.get("peer_port").to_string();
if (!flag_numeric) {
auto service = getservbyport(htons(if_object.get("peer_port").to_u32()), "udp");
if (service != nullptr) {
auto s_name = StringView(service->s_name);
if (!s_name.is_empty())
peer_port = s_name;
}
}
auto origin_pid = (if_object.has("origin_pid")) ? if_object.get("origin_pid").to_u32() : -1;
if (protocol_column != -1)