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nixpkgs/nixos/tests/pam-oath-login.nix
2019-12-03 17:06:04 +01:00

109 lines
3.3 KiB
Nix

import ./make-test-python.nix ({ ... }:
let
oathSnakeoilSecret = "cdd4083ef8ff1fa9178c6d46bfb1a3";
# With HOTP mode the password is calculated based on a counter of
# how many passwords have been made. In this env, we'll always be on
# the 0th counter, so the password is static.
#
# Generated in nix-shell -p oathToolkit
# via: oathtool -v -d6 -w10 cdd4083ef8ff1fa9178c6d46bfb1a3
# and picking a the first 4:
oathSnakeOilPassword1 = "143349";
oathSnakeOilPassword2 = "801753";
alicePassword = "foobar";
# Generated via: mkpasswd -m sha-512 and passing in "foobar"
hashedAlicePassword = "$6$MsMrE1q.1HrCgTS$Vq2e/uILzYjSN836TobAyN9xh9oi7EmCmucnZID25qgPoibkw8qTCugiAPnn4eCGvn1A.7oEBFJaaGUaJsQQY.";
in
{
name = "pam-oath-login";
machine =
{ ... }:
{
security.pam.oath = {
enable = true;
};
users.users.alice = {
isNormalUser = true;
name = "alice";
uid = 1000;
hashedPassword = hashedAlicePassword;
extraGroups = [ "wheel" ];
createHome = true;
home = "/home/alice";
};
systemd.services.setupOathSnakeoilFile = {
wantedBy = [ "default.target" ];
before = [ "default.target" ];
unitConfig = {
type = "oneshot";
RemainAfterExit = true;
};
script = ''
touch /etc/users.oath
chmod 600 /etc/users.oath
chown root /etc/users.oath
echo "HOTP/E/6 alice - ${oathSnakeoilSecret}" > /etc/users.oath
'';
};
};
testScript = ''
def switch_to_tty(tty_number):
machine.fail(f"pgrep -f 'agetty.*tty{tty_number}'")
machine.send_key(f"alt-f{tty_number}")
machine.wait_until_succeeds(f"[ $(fgconsole) = {tty_number} ]")
machine.wait_for_unit(f"getty@tty{tty_number}.service")
machine.wait_until_succeeds(f"pgrep -f 'agetty.*tty{tty_number}'")
def enter_user_alice(tty_number):
machine.wait_until_tty_matches(tty_number, "login: ")
machine.send_chars("alice\n")
machine.wait_until_tty_matches(tty_number, "login: alice")
machine.wait_until_succeeds("pgrep login")
machine.wait_until_tty_matches(tty_number, "One-time password")
machine.wait_for_unit("multi-user.target")
machine.wait_until_succeeds("pgrep -f 'agetty.*tty1'")
machine.screenshot("postboot")
with subtest("Invalid password"):
switch_to_tty(2)
enter_user_alice(2)
machine.send_chars("${oathSnakeOilPassword1}\n")
machine.wait_until_tty_matches(2, "Password: ")
machine.send_chars("blorg\n")
machine.wait_until_tty_matches(2, "Login incorrect")
with subtest("Invalid oath token"):
switch_to_tty(3)
enter_user_alice(3)
machine.send_chars("000000\n")
machine.wait_until_tty_matches(3, "Login incorrect")
machine.wait_until_tty_matches(3, "login:")
with subtest("Happy path: Both passwords are mandatory to get us in"):
switch_to_tty(4)
enter_user_alice(4)
machine.send_chars("${oathSnakeOilPassword2}\n")
machine.wait_until_tty_matches(4, "Password: ")
machine.send_chars("${alicePassword}\n")
machine.wait_until_succeeds("pgrep -u alice bash")
machine.send_chars("touch done4\n")
machine.wait_for_file("/home/alice/done4")
'';
})