bssh 2.0.1

// Copyright 2025 Lablup Inc. and Jeongkyu Shin
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//! Jump host parsing for OpenSSH ProxyJump format

mod config;
mod host;
mod host_parser;
mod main_parser;

pub use config::{get_max_jump_hosts, ABSOLUTE_MAX_JUMP_HOSTS, DEFAULT_MAX_JUMP_HOSTS};
pub use host::JumpHost;
pub use main_parser::parse_jump_hosts;

/// Parse jump hosts and set SSH key for all hosts in the chain
///
/// This is a convenience function for when you have a jump host specification
/// from config with an associated SSH key path.
pub fn parse_jump_hosts_with_key(
    jump_spec: &str,
    ssh_key: Option<String>,
) -> anyhow::Result<Vec<JumpHost>> {
    let mut jump_hosts = parse_jump_hosts(jump_spec)?;

    // Set the SSH key for all jump hosts in the chain
    if let Some(key) = ssh_key {
        for jump_host in &mut jump_hosts {
            jump_host.ssh_key = Some(key.clone());
        }
    }

    Ok(jump_hosts)
}

// Internal use

#[cfg(test)]
mod tests;