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require_relative 'common'
require 'fileutils'
require 'tmpdir'
require 'net/ssh'
require 'timeout'
unless ENV['NET_SSH_NO_ED25519']
# see Vagrantfile,playbook for env.
# we're running as net_ssh_1 user password foo
# and usually connecting to net_ssh_2 user password foo2pwd
class TestCurve25519Sha256Keys < NetSSHTest
include IntegrationTestHelpers
def test_with_only_curve_kex
config_lines = File.read('/etc/ssh/sshd_config').split("\n")
config_lines = config_lines.map do |line|
if line =~ /^KexAlgorithms/
"##{line}"
else
line
end
end
config_lines.push("KexAlgorithms curve25519-sha256")
Tempfile.open('empty_kh') do |f|
f.close
start_sshd_7_or_later(config: config_lines) do |_pid, port|
Timeout.timeout(4) do
# We have our own sshd, give it a chance to come up before
# listening.
ret = Net::SSH.start("localhost", "net_ssh_1", password: 'foopwd', port: port, user_known_hosts_file: [f.path]) do |ssh|
assert_equal ssh.transport.algorithms.kex, "curve25519-sha256"
ssh.exec! "echo 'foo'"
end
assert_equal "foo\n", ret
rescue SocketError, Errno::ECONNREFUSED, Errno::EHOSTUNREACH
sleep 0.25
retry
end
end
end
end
end
end
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