first commit
This commit is contained in:
commit
da313b993a
1
.gitignore
vendored
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1
.gitignore
vendored
Normal file
@ -0,0 +1 @@
|
|||||||
|
/target
|
||||||
244
Cargo.lock
generated
Normal file
244
Cargo.lock
generated
Normal file
@ -0,0 +1,244 @@
|
|||||||
|
# This file is automatically @generated by Cargo.
|
||||||
|
# It is not intended for manual editing.
|
||||||
|
version = 3
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "anstream"
|
||||||
|
version = "0.6.18"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8acc5369981196006228e28809f761875c0327210a891e941f4c683b3a99529b"
|
||||||
|
dependencies = [
|
||||||
|
"anstyle",
|
||||||
|
"anstyle-parse",
|
||||||
|
"anstyle-query",
|
||||||
|
"anstyle-wincon",
|
||||||
|
"colorchoice",
|
||||||
|
"is_terminal_polyfill",
|
||||||
|
"utf8parse",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "anstyle"
|
||||||
|
version = "1.0.10"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "anstyle-parse"
|
||||||
|
version = "0.2.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "3b2d16507662817a6a20a9ea92df6652ee4f94f914589377d69f3b21bc5798a9"
|
||||||
|
dependencies = [
|
||||||
|
"utf8parse",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "anstyle-query"
|
||||||
|
version = "1.1.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "79947af37f4177cfead1110013d678905c37501914fba0efea834c3fe9a8d60c"
|
||||||
|
dependencies = [
|
||||||
|
"windows-sys",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "anstyle-wincon"
|
||||||
|
version = "3.0.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
|
checksum = "2109dbce0e72be3ec00bed26e6a7479ca384ad226efdd66db8fa2e3a38c83125"
|
||||||
|
dependencies = [
|
||||||
|
"anstyle",
|
||||||
|
"windows-sys",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "anyhow"
|
||||||
|
version = "1.0.93"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "4c95c10ba0b00a02636238b814946408b1322d5ac4760326e6fb8ec956d85775"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "clap"
|
||||||
|
version = "4.5.20"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b97f376d85a664d5837dbae44bf546e6477a679ff6610010f17276f686d867e8"
|
||||||
|
dependencies = [
|
||||||
|
"clap_builder",
|
||||||
|
"clap_derive",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "clap_builder"
|
||||||
|
version = "4.5.20"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "19bc80abd44e4bed93ca373a0704ccbd1b710dc5749406201bb018272808dc54"
|
||||||
|
dependencies = [
|
||||||
|
"anstream",
|
||||||
|
"anstyle",
|
||||||
|
"clap_lex",
|
||||||
|
"strsim",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "clap_derive"
|
||||||
|
version = "4.5.18"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "4ac6a0c7b1a9e9a5186361f67dfa1b88213572f427fb9ab038efb2bd8c582dab"
|
||||||
|
dependencies = [
|
||||||
|
"heck",
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "clap_lex"
|
||||||
|
version = "0.7.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1462739cb27611015575c0c11df5df7601141071f07518d56fcc1be504cbec97"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "colorchoice"
|
||||||
|
version = "1.0.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "5b63caa9aa9397e2d9480a9b13673856c78d8ac123288526c37d7839f2a86990"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "heck"
|
||||||
|
version = "0.5.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "is_terminal_polyfill"
|
||||||
|
version = "1.70.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "pnet"
|
||||||
|
version = "0.1.0"
|
||||||
|
dependencies = [
|
||||||
|
"anyhow",
|
||||||
|
"clap",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "proc-macro2"
|
||||||
|
version = "1.0.89"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f139b0662de085916d1fb67d2b4169d1addddda1919e696f3252b740b629986e"
|
||||||
|
dependencies = [
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "quote"
|
||||||
|
version = "1.0.37"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b5b9d34b8991d19d98081b46eacdd8eb58c6f2b201139f7c5f643cc155a633af"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "strsim"
|
||||||
|
version = "0.11.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "2.0.87"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "25aa4ce346d03a6dcd68dd8b4010bcb74e54e62c90c573f394c46eae99aba32d"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-ident"
|
||||||
|
version = "1.0.13"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "utf8parse"
|
||||||
|
version = "0.2.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-sys"
|
||||||
|
version = "0.59.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
|
||||||
|
dependencies = [
|
||||||
|
"windows-targets",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-targets"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
|
||||||
|
dependencies = [
|
||||||
|
"windows_aarch64_gnullvm",
|
||||||
|
"windows_aarch64_msvc",
|
||||||
|
"windows_i686_gnu",
|
||||||
|
"windows_i686_gnullvm",
|
||||||
|
"windows_i686_msvc",
|
||||||
|
"windows_x86_64_gnu",
|
||||||
|
"windows_x86_64_gnullvm",
|
||||||
|
"windows_x86_64_msvc",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_gnullvm"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_aarch64_msvc"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_gnu"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_gnullvm"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_i686_msvc"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnu"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_gnullvm"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows_x86_64_msvc"
|
||||||
|
version = "0.52.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
|
||||||
8
Cargo.toml
Normal file
8
Cargo.toml
Normal file
@ -0,0 +1,8 @@
|
|||||||
|
[package]
|
||||||
|
name = "pnet"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2021"
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
anyhow = "1.0.93"
|
||||||
|
clap = { version = "4.5.20", features = ["derive"] }
|
||||||
147
src/main.rs
Normal file
147
src/main.rs
Normal file
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|
|||||||
|
use anyhow::Result;
|
||||||
|
use clap::Parser;
|
||||||
|
use std::{
|
||||||
|
fmt::Display,
|
||||||
|
fs,
|
||||||
|
net::{Ipv4Addr, SocketAddrV4},
|
||||||
|
path::Path,
|
||||||
|
u32,
|
||||||
|
};
|
||||||
|
|
||||||
|
/// Simple program to print network socket information on linux systems using /proc/net/
|
||||||
|
#[derive(Parser, Debug)]
|
||||||
|
#[command(version, about, long_about = None)]
|
||||||
|
struct Args {
|
||||||
|
/// Print TCP socket info
|
||||||
|
#[arg(short, long, default_value_t = true)]
|
||||||
|
tcp: bool,
|
||||||
|
|
||||||
|
/// Print UDP socket info
|
||||||
|
#[arg(short, long, default_value_t = false)]
|
||||||
|
udp: bool,
|
||||||
|
}
|
||||||
|
|
||||||
|
fn read_or_fail<P: AsRef<Path> + Display>(path: P) -> String {
|
||||||
|
match fs::read_to_string(&path) {
|
||||||
|
Ok(s) => return s,
|
||||||
|
Err(e) => {
|
||||||
|
panic!("Error accessing {path}: {e}")
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn parse_sock_addr(raw: &str) -> Result<SocketAddrV4> {
|
||||||
|
let split: Vec<_> = raw.split(":").collect();
|
||||||
|
if split.len() != 2 {
|
||||||
|
anyhow::bail!(invalid_data_error());
|
||||||
|
}
|
||||||
|
let ipv4 = Ipv4Addr::from_bits(u32::from_str_radix(split[0], 16)?.to_be());
|
||||||
|
let port = u16::from_str_radix(split[1], 16)?.to_be();
|
||||||
|
return Ok(SocketAddrV4::new(ipv4, port));
|
||||||
|
}
|
||||||
|
|
||||||
|
#[allow(non_camel_case_types)]
|
||||||
|
#[repr(u8)]
|
||||||
|
#[derive(Debug)]
|
||||||
|
enum TcpStatus {
|
||||||
|
TCP_ESTABLISHED = 1,
|
||||||
|
TCP_SYN_SENT,
|
||||||
|
TCP_SYN_RECV,
|
||||||
|
TCP_FIN_WAIT1,
|
||||||
|
TCP_FIN_WAIT2,
|
||||||
|
TCP_TIME_WAIT,
|
||||||
|
TCP_CLOSE,
|
||||||
|
TCP_CLOSE_WAIT,
|
||||||
|
TCP_LAST_ACK,
|
||||||
|
TCP_LISTEN,
|
||||||
|
TCP_CLOSING,
|
||||||
|
}
|
||||||
|
impl TryFrom<u8> for TcpStatus {
|
||||||
|
type Error = anyhow::Error;
|
||||||
|
|
||||||
|
fn try_from(value: u8) -> Result<Self, Self::Error> {
|
||||||
|
match value {
|
||||||
|
x if x == TcpStatus::TCP_ESTABLISHED as u8 => Ok(TcpStatus::TCP_ESTABLISHED),
|
||||||
|
x if x == TcpStatus::TCP_SYN_SENT as u8 => Ok(TcpStatus::TCP_SYN_SENT),
|
||||||
|
x if x == TcpStatus::TCP_SYN_RECV as u8 => Ok(TcpStatus::TCP_SYN_RECV),
|
||||||
|
x if x == TcpStatus::TCP_FIN_WAIT1 as u8 => Ok(TcpStatus::TCP_FIN_WAIT1),
|
||||||
|
x if x == TcpStatus::TCP_FIN_WAIT2 as u8 => Ok(TcpStatus::TCP_FIN_WAIT2),
|
||||||
|
x if x == TcpStatus::TCP_TIME_WAIT as u8 => Ok(TcpStatus::TCP_TIME_WAIT),
|
||||||
|
x if x == TcpStatus::TCP_CLOSE as u8 => Ok(TcpStatus::TCP_CLOSE),
|
||||||
|
x if x == TcpStatus::TCP_CLOSE_WAIT as u8 => Ok(TcpStatus::TCP_CLOSE_WAIT),
|
||||||
|
x if x == TcpStatus::TCP_LAST_ACK as u8 => Ok(TcpStatus::TCP_LAST_ACK),
|
||||||
|
x if x == TcpStatus::TCP_LISTEN as u8 => Ok(TcpStatus::TCP_LISTEN),
|
||||||
|
x if x == TcpStatus::TCP_CLOSING as u8 => Ok(TcpStatus::TCP_CLOSING),
|
||||||
|
_ => Err(anyhow::anyhow!(invalid_data_error())), // Return an error on invalid value
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
impl TryFrom<&str> for TcpStatus {
|
||||||
|
type Error = anyhow::Error;
|
||||||
|
|
||||||
|
fn try_from(value: &str) -> Result<Self, Self::Error> {
|
||||||
|
let int = u8::from_str_radix(value, 16)?;
|
||||||
|
return TcpStatus::try_from(int);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Debug)]
|
||||||
|
#[allow(dead_code)]
|
||||||
|
struct TcpInfo<'a> {
|
||||||
|
sl: &'a str,
|
||||||
|
local_address: SocketAddrV4,
|
||||||
|
rem_address: SocketAddrV4,
|
||||||
|
st: TcpStatus,
|
||||||
|
queue: &'a str,
|
||||||
|
tr_tm_when: &'a str,
|
||||||
|
retrnsmt: &'a str,
|
||||||
|
uid: &'a str,
|
||||||
|
timeout: &'a str,
|
||||||
|
inode: Vec<&'a str>,
|
||||||
|
}
|
||||||
|
fn invalid_data_error() -> std::io::Error {
|
||||||
|
std::io::Error::new(std::io::ErrorKind::InvalidData, "Unknown / Invalid format!")
|
||||||
|
}
|
||||||
|
impl<'a> TcpInfo<'a> {
|
||||||
|
pub fn new(info: Vec<&'a str>) -> Result<TcpInfo<'a>> {
|
||||||
|
if info.len() < 12 {
|
||||||
|
anyhow::bail!(invalid_data_error());
|
||||||
|
}
|
||||||
|
let sl = info[0];
|
||||||
|
let local_address = parse_sock_addr(info[1])?;
|
||||||
|
let rem_address = parse_sock_addr(info[2])?;
|
||||||
|
let st = TcpStatus::try_from(info[3])?;
|
||||||
|
let tcp_info: TcpInfo = TcpInfo {
|
||||||
|
sl,
|
||||||
|
local_address,
|
||||||
|
rem_address,
|
||||||
|
st,
|
||||||
|
queue: info[4],
|
||||||
|
tr_tm_when: info[5],
|
||||||
|
retrnsmt: info[6],
|
||||||
|
uid: info[7],
|
||||||
|
timeout: info[8],
|
||||||
|
inode: info[9..].to_vec(),
|
||||||
|
};
|
||||||
|
return Ok(tcp_info);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
let args = Args::parse();
|
||||||
|
|
||||||
|
if args.tcp {
|
||||||
|
let tcp_info = read_or_fail("/proc/net/tcp");
|
||||||
|
for line in tcp_info.split("\n").skip(1) {
|
||||||
|
let info: Vec<&str> = line.split_whitespace().collect();
|
||||||
|
if info.len() == 0 {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
let tcp_info = TcpInfo::new(info).unwrap();
|
||||||
|
println!(
|
||||||
|
"{:>5} {:21}\t{:21}\t{:?}",
|
||||||
|
tcp_info.sl, tcp_info.local_address, tcp_info.rem_address, tcp_info.st
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
x
Reference in New Issue
Block a user