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use std::env;
use std::fs::File;
use std::io::{self, prelude::*};
use std::path::Path;
use tempdir::TempDir;
use ssh2::{BlockDirections, HashType, KeyboardInteractivePrompt, MethodType, Prompt, Session};
#[test]
fn session_is_send() {
fn must_be_send<T: Send>(_: &T) -> bool {
true
}
let sess = Session::new().unwrap();
assert!(must_be_send(&sess));
}
#[test]
fn smoke() {
let sess = Session::new().unwrap();
assert!(sess.banner_bytes().is_none());
sess.set_banner("foo").unwrap();
assert!(sess.is_blocking());
assert_eq!(sess.timeout(), 0);
sess.set_compress(true);
assert!(sess.host_key().is_none());
sess.method_pref(MethodType::Kex, "diffie-hellman-group14-sha1")
.unwrap();
assert!(sess.methods(MethodType::Kex).is_none());
sess.set_blocking(true);
sess.set_timeout(0);
sess.supported_algs(MethodType::Kex).unwrap();
sess.supported_algs(MethodType::HostKey).unwrap();
sess.channel_session().err().unwrap();
}
#[test]
fn smoke_handshake() {
let user = env::var("USER").unwrap();
let socket = ::socket();
let mut sess = Session::new().unwrap();
sess.set_tcp_stream(socket);
sess.handshake().unwrap();
sess.host_key().unwrap();
let methods = sess.auth_methods(&user).unwrap();
assert!(methods.contains("publickey"), "{}", methods);
assert!(!sess.authenticated());
let mut agent = sess.agent().unwrap();
agent.connect().unwrap();
agent.list_identities().unwrap();
{
let identity = &agent.identities().unwrap()[0];
agent.userauth(&user, &identity).unwrap();
}
assert!(sess.authenticated());
sess.host_key_hash(HashType::Md5).unwrap();
}
#[test]
fn keyboard_interactive() {
let user = env::var("USER").unwrap();
let socket = ::socket();
let mut sess = Session::new().unwrap();
sess.set_tcp_stream(socket);
sess.handshake().unwrap();
sess.host_key().unwrap();
let methods = sess.auth_methods(&user).unwrap();
assert!(
methods.contains("keyboard-interactive"),
"test server ({}) must support `ChallengeResponseAuthentication yes`, not just {}",
::test_addr(),
methods
);
assert!(!sess.authenticated());
// We don't know the correct response for whatever challenges
// will be returned to us, but that's ok; the purpose of this
// test is to check that we have some basically sane interaction
// with the library.
struct Prompter {
some_data: usize,
}
impl KeyboardInteractivePrompt for Prompter {
fn prompt<'a>(
&mut self,
username: &str,
instructions: &str,
prompts: &[Prompt<'a>],
) -> Vec<String> {
// Sanity check that the pointer manipulation resolves and
// we read back our member data ok
assert_eq!(self.some_data, 42);
eprintln!("username: {}", username);
eprintln!("instructions: {}", instructions);
eprintln!("prompts: {:?}", prompts);
// Unfortunately, we can't make any assertions about username
// or instructions, as they can be empty (on my linux system)
// or may have arbitrary contents
// assert_eq!(username, env::var("USER").unwrap());
// assert!(!instructions.is_empty());
// Hopefully this isn't too brittle an assertion
if prompts.len() == 1 {
assert_eq!(prompts.len(), 1);
// Might be "Password: " or "Password:" or other variations
assert!(prompts[0].text.contains("sword"));
assert_eq!(prompts[0].echo, false);
} else {
// maybe there's some PAM configuration that results
// in multiple prompts. We can't make any real assertions
// in this case, other than that there has to be at least
// one prompt.
assert!(!prompts.is_empty());
}
prompts.iter().map(|_| "bogus".to_string()).collect()
}
}
let mut p = Prompter { some_data: 42 };
match sess.userauth_keyboard_interactive(&user, &mut p) {
Ok(_) => eprintln!("auth succeeded somehow(!)"),
Err(err) => eprintln!("auth failed as expected: {}", err),
};
// The only way this assertion will be false is if the person
// running these tests has "bogus" as their password
assert!(!sess.authenticated());
}
#[test]
fn keepalive() {
let sess = ::authed_session();
sess.set_keepalive(false, 10);
sess.keepalive_send().unwrap();
}
#[test]
fn scp_recv() {
let sess = ::authed_session();
// Download our own source file; it's the only path that
// we know for sure exists on this system.
let p = Path::new(file!()).canonicalize().unwrap();
let (mut ch, _) = sess.scp_recv(&p).unwrap();
let mut data = String::new();
ch.read_to_string(&mut data).unwrap();
let mut expected = String::new();
File::open(&p)
.unwrap()
.read_to_string(&mut expected)
.unwrap();
assert!(data == expected);
}
#[test]
fn scp_send() {
let td = TempDir::new("test").unwrap();
let sess = ::authed_session();
let mut ch = sess
.scp_send(&td.path().join("foo"), 0o644, 6, None)
.unwrap();
ch.write_all(b"foobar").unwrap();
drop(ch);
let mut actual = Vec::new();
File::open(&td.path().join("foo"))
.unwrap()
.read_to_end(&mut actual)
.unwrap();
assert_eq!(actual, b"foobar");
}
#[test]
fn block_directions() {
let mut sess = ::authed_session();
sess.set_blocking(false);
let actual = sess.handshake().map_err(|e| io::Error::from(e).kind());
assert_eq!(actual, Err(io::ErrorKind::WouldBlock));
assert_eq!(sess.block_directions(), BlockDirections::Inbound);
}
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