rscanner 0.5.0

Fast scan network by sending icmp, tcp, udp packets, inspired by nmap but doesn't depend on nmap
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39

use std::net::SocketAddr;

use async_trait::async_trait;

use crate::setting::command::ScanOpts;

#[async_trait]
pub trait SocketScanner {
    async fn socket_success(socket: SocketAddr, timeout: u64);

    async fn socket_connect(socket: SocketAddr, timeout: u64) -> anyhow::Result<()>;

    async fn pre_scan(_scan_opts: &ScanOpts) -> anyhow::Result<()> {
        Ok(())
    }

    async fn pre_send_socket(_socket: &SocketAddr) -> anyhow::Result<()> {
        Ok(())
    }

    async fn scan(scan_opts: ScanOpts) -> anyhow::Result<()> {
        Self::pre_scan(&scan_opts).await?;

        for socket_addr in scan_opts.iter_sockets()? {
            let retry_timeout = scan_opts.retry_interval;
            Self::pre_send_socket(&socket_addr)
                .await
                .unwrap_or_else(|e| tracing::error!("pre send socket error with {e:?}"));
            tokio::spawn(async move { Self::socket_success(socket_addr, retry_timeout).await });
        }

        Self::after_scan().await?;
        Ok(())
    }

    async fn after_scan() -> anyhow::Result<()> {
        Ok(())
    }
}