ssh-agent-client-rs 0.4.0

Pure rust implementation of the ssh-agent protocol. It can be used to write clients that interact with the ssh agent.
Documentation 
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use ssh_agent_client_rs::{Client, Result};
use ssh_key::public::PublicKey;
use std::env;
use std::path::Path;

/// This example lists the hashes of keys that the ssh-agent that listens to
/// the socket referenced by the path in the SSH_AUTH_SOCK environment variable
/// much like the command `ssh-add -l`
fn main() -> Result<()> {
    let path = env::var("SSH_AUTH_SOCK").expect("SSH_AUTH_SOCK is not set");
    let mut client = Client::connect(Path::new(path.as_str()))?;
    let identities = client.list_identities()?;
    if identities.len() < 1 {
        println!("The agent has no identities.");
    } else {
        identities.iter().for_each(|i| print(i));
    }
    Ok(())
}

fn print(key: &PublicKey) {
    println!(
        "{} {} {}",
        key.fingerprint(Default::default()),
        key.comment(),
        key.algorithm().to_string(),
    )
}