Close an SSH Tunnel

See more Socket/SSL/TLS Examples

Demonstrates Socket.SshCloseTunnel, which closes the SSH tunnel opened by SshOpenTunnel and terminates its forwarded channels.

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    const socket = try chilkat.Socket.init();
    defer socket.deinit();

    // Connect to the SSH server and initialize an SSH tunneling session.  Port 22 is conventional but
    // not required.
    socket.sshOpenTunnel("ssh.example.com", 22) catch {
        std.debug.print("{s}\n", .{try socket.getLastErrorText(alloc)});
        return;
    };

    // Authenticate the SSH session before opening forwarded channels.
    // The SSH password should come from a secure source rather than being hard-coded.
    const ssh_password = "mySshPassword";
    socket.sshAuthenticatePw("sshUser", ssh_password) catch {
        std.debug.print("{s}\n", .{try socket.getLastErrorText(alloc)});
        return;
    };

    // Close the SSH tunnel and terminate its forwarded channels.  This does not affect unrelated SSH
    // objects or connections.
    socket.sshCloseTunnel() catch {
        std.debug.print("{s}\n", .{try socket.getLastErrorText(alloc)});
        return;
    };

    std.debug.print("SSH tunnel closed.\n", .{});
}