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use std::time::Duration;
use clap::Parser;
use owo_colors::OwoColorize;
use rayon::prelude::*;
use asphyxia::cli::Args;
use asphyxia::output::{OutputFormat, ScanRecord, print_json, print_jsonl};
use asphyxia::scanner::{address, port};
use asphyxia::utils::{
init_scan_pool, parse_ip, parse_ports, parse_subnet, progress_bar, read_targets_from_stdin,
};
fn main() {
let args = Args::parse();
// Size the global rayon pool for I/O-bound scanning before any scan runs.
init_scan_pool(args.concurrency());
let format = args.output_format();
match args {
Args::PortScan {
host,
stdin,
range,
specific,
all_ports,
timeout,
..
} => {
let timeout = Some(Duration::from_millis(timeout));
let ports: Vec<u16> = if all_ports {
(1..=u16::MAX).collect()
} else if let Some(range) = range {
// clap enforces exactly two values via `num_args = 2`.
let start = range[0];
let end = range[1];
if start > end {
eprintln!("{}", "Start port must be <= end port".yellow());
return;
}
(start..=end).collect()
} else if let Some(spec) = specific {
match parse_ports(&spec) {
Ok(ports) => ports,
Err(e) => {
eprintln!("{}", e.red());
return;
}
}
} else {
eprintln!(
"{}",
"Please specify either -r, -s, or --all-ports".yellow()
);
return;
};
// Gather the raw targets: either the single `-t` host, or a batch
// read from stdin (clap guarantees exactly one of the two is set).
let targets: Vec<String> = if stdin {
let targets = read_targets_from_stdin();
if targets.is_empty() {
eprintln!("{}", "No targets read from stdin".yellow());
return;
}
targets
} else {
// clap's required `target` group guarantees `host` is present.
vec![host.expect("clap enforces --host when --stdin is absent")]
};
// Resolve each target to an IP once, so the parallel scan below does
// not issue a DNS lookup for every single port. Unresolvable targets
// are reported and skipped rather than aborting the whole batch.
let resolved: Vec<(String, String)> = targets
.iter()
.filter_map(|host| match port::resolve_host(host) {
Some(ip) => Some((host.clone(), ip.to_string())),
None => {
eprintln!("{}", format!("Could not resolve host: {}", host).red());
None
}
})
.collect();
if resolved.is_empty() {
return;
}
if format == OutputFormat::Text {
if let [(host, _)] = resolved.as_slice() {
println!(
"\n##### {} scanning ports on host: {} #####\n",
"Started".bright_blue(),
host.bright_green()
);
} else {
println!(
"\n##### {} scanning ports on {} hosts #####\n",
"Started".bright_blue(),
resolved.len().to_string().bright_green()
);
}
}
// Fan every (host, port) pair out across the shared pool so that
// multiple hosts are probed concurrently, not one after another.
let jobs: Vec<(usize, u16)> = resolved
.iter()
.enumerate()
.flat_map(|(i, _)| ports.iter().map(move |&port| (i, port)))
.collect();
let pb = progress_bar(jobs.len() as u64, "ports scanned");
let mut opened: Vec<(usize, port::PortHit)> = jobs
.into_par_iter()
.filter_map(|(i, port)| {
let hit = port::scan_port(resolved[i].1.clone(), port, timeout);
pb.inc(1);
hit.map(|hit| (i, hit))
})
.collect();
pb.finish_with_message("Scan completed");
opened.sort_by_key(|(i, hit)| (*i, hit.port));
match format {
OutputFormat::Text => {
if !opened.is_empty() {
let mut current: Option<usize> = None;
for (i, hit) in &opened {
let host = &resolved[*i].0;
if current != Some(*i) {
println!(
"\n-- {} for {} --\n",
"Opened ports".green(),
host.bright_yellow()
);
current = Some(*i);
}
println!(
"{}:{}",
host.bright_cyan(),
hit.port.to_string().bright_green()
);
}
} else {
println!("\n{}", "No open ports found 😕".yellow());
}
println!("\n##### {} #####\n", "Game Over".bright_red());
}
OutputFormat::Json | OutputFormat::Jsonl => {
let records: Vec<ScanRecord> = opened
.iter()
.map(|(i, hit)| ScanRecord {
ip: resolved[*i].1.clone(),
port: Some(hit.port),
proto: "tcp",
latency_ms: hit.latency.as_millis(),
status: "open",
})
.collect();
if format == OutputFormat::Json {
print_json(&records);
} else {
print_jsonl(&records);
}
}
}
}
Args::AddressScan {
subnet,
target,
range,
timeout,
..
} => {
let timeout = Some(Duration::from_millis(timeout));
let available: Vec<address::HostHit> = if let Some(subnet_str) = subnet {
match parse_subnet(&subnet_str) {
Ok(network) => {
if format == OutputFormat::Text {
println!(
"\n##### {} scanning subnet: {} #####\n",
"Started".bright_blue(),
subnet_str.as_str().bright_green()
);
}
address::scan_subnet(network, timeout)
}
Err(e) => {
eprintln!("{}", e.red());
return;
}
}
} else if let Some(target_str) = target {
match parse_ip(&target_str) {
Ok(ip) => {
if format == OutputFormat::Text {
println!(
"\n##### {} scanning target: {} #####\n",
"Started".bright_blue(),
target_str.as_str().bright_green()
);
}
address::scan_address(ip, timeout).into_iter().collect()
}
Err(e) => {
eprintln!("{}", e.red());
return;
}
}
} else if let Some(range_vec) = range {
// clap enforces exactly two values via `num_args = 2`.
match (parse_ip(&range_vec[0]), parse_ip(&range_vec[1])) {
(Ok(start), Ok(end)) => {
if format == OutputFormat::Text {
println!(
"\n##### {} scanning range: {} - {} #####\n",
"Started".bright_blue(),
range_vec[0].as_str().bright_green(),
range_vec[1].as_str().bright_green()
);
}
address::scan_ip_range(start, end, timeout)
}
(Err(e), _) | (_, Err(e)) => {
eprintln!("{}", e.red());
return;
}
}
} else {
eprintln!("{}", "Please specify either -s, -t, or -r".yellow());
return;
};
match format {
OutputFormat::Text => {
if !available.is_empty() {
println!("\n-- {} --\n", "Available hosts".green());
for hit in &available {
println!("{}", hit.ip.to_string().bright_green());
}
} else {
println!("\n{}", "No available hosts found 😕".yellow());
}
println!("\n##### {} #####\n", "Game Over".bright_red());
}
OutputFormat::Json | OutputFormat::Jsonl => {
let records: Vec<ScanRecord> = available
.iter()
.map(|hit| ScanRecord {
ip: hit.ip.to_string(),
port: None,
proto: "tcp",
latency_ms: hit.latency.as_millis(),
status: "up",
})
.collect();
if format == OutputFormat::Json {
print_json(&records);
} else {
print_jsonl(&records);
}
}
}
}
}
}