111 lines
3.3 KiB
Rust
111 lines
3.3 KiB
Rust
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use log::{error, info, LevelFilter};
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use russh::*;
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use russh_sftp::{client::SftpSession, protocol::OpenFlags};
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use std::sync::Arc;
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use tokio::io::{AsyncReadExt, AsyncSeekExt, AsyncWriteExt};
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struct Client;
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impl client::Handler for Client {
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type Error = anyhow::Error;
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async fn check_server_key(
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&mut self,
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server_public_key: &russh::keys::PublicKey,
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) -> Result<bool, Self::Error> {
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info!("check_server_key: {:?}", server_public_key);
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Ok(true)
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}
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async fn data(
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&mut self,
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channel: ChannelId,
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data: &[u8],
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_session: &mut client::Session,
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) -> Result<(), Self::Error> {
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info!("data on channel {:?}: {}", channel, data.len());
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Ok(())
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}
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}
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#[tokio::main]
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async fn main() {
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env_logger::builder()
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.filter_level(LevelFilter::Debug)
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.init();
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let config = russh::client::Config::default();
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let sh = Client {};
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let mut session = russh::client::connect(Arc::new(config), ("localhost", 22), sh)
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.await
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.unwrap();
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if session
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.authenticate_password("root", "password")
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.await
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.unwrap()
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.success()
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{
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let channel = session.channel_open_session().await.unwrap();
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channel.request_subsystem(true, "sftp").await.unwrap();
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let sftp = SftpSession::new(channel.into_stream()).await.unwrap();
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info!("current path: {:?}", sftp.canonicalize(".").await.unwrap());
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// create dir and symlink
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let path = "./some_kind_of_dir";
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let symlink = "./symlink";
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sftp.create_dir(path).await.unwrap();
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sftp.symlink(path, symlink).await.unwrap();
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info!("dir info: {:?}", sftp.metadata(path).await.unwrap());
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info!(
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"symlink info: {:?}",
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sftp.symlink_metadata(path).await.unwrap()
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);
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// scanning directory
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for entry in sftp.read_dir(".").await.unwrap() {
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info!("file in directory: {:?}", entry.file_name());
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}
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sftp.remove_file(symlink).await.unwrap();
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sftp.remove_dir(path).await.unwrap();
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// interaction with i/o
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let filename = "test_new.txt";
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let mut file = sftp
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.open_with_flags(
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filename,
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OpenFlags::CREATE | OpenFlags::TRUNCATE | OpenFlags::WRITE | OpenFlags::READ,
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)
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.await
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.unwrap();
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info!("metadata by handle: {:?}", file.metadata().await.unwrap());
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file.write_all(b"magic text").await.unwrap();
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info!("flush: {:?}", file.flush().await); // or file.sync_all()
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info!(
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"current cursor position: {:?}",
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file.stream_position().await
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);
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let mut str = String::new();
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file.rewind().await.unwrap();
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file.read_to_string(&mut str).await.unwrap();
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file.rewind().await.unwrap();
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info!(
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"our magical contents: {}, after rewind: {:?}",
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str,
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file.stream_position().await
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);
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file.shutdown().await.unwrap();
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sftp.remove_file(filename).await.unwrap();
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// should fail because handle was closed
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error!("should fail: {:?}", file.read_u8().await);
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}
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}
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