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118 lines
4.4 KiB
Nix
118 lines
4.4 KiB
Nix
import ./make-test-python.nix ({ pkgs, lib, ...}:
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{
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name = "gnupg";
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meta = with lib.maintainers; {
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maintainers = [ rnhmjoj ];
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};
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# server for testing SSH
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nodes.server = { ... }: {
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imports = [ ../modules/profiles/minimal.nix ];
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users.users.alice.isNormalUser = true;
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services.openssh.enable = true;
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};
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# machine for testing GnuPG
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nodes.machine = { pkgs, ... }: {
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imports = [ ../modules/profiles/minimal.nix ];
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users.users.alice.isNormalUser = true;
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services.getty.autologinUser = "alice";
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environment.shellInit = ''
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# preset a key passphrase in gpg-agent
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preset_key() {
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# find all keys
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case "$1" in
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ssh) grips=$(awk '/^[0-9A-F]/{print $1}' "''${GNUPGHOME:-$HOME/.gnupg}/sshcontrol") ;;
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pgp) grips=$(gpg --with-keygrip --list-secret-keys | awk '/Keygrip/{print $3}') ;;
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esac
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# try to preset the passphrase for each key found
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for grip in $grips; do
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"$(gpgconf --list-dirs libexecdir)/gpg-preset-passphrase" -c -P "$2" "$grip"
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done
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}
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'';
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programs.gnupg.agent.enable = true;
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programs.gnupg.agent.enableSSHSupport = true;
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};
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testScript =
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''
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import shlex
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def as_alice(command: str) -> str:
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"""
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Wraps a command to run it as Alice in a login shell
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"""
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quoted = shlex.quote(command)
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return "su --login alice --command " + quoted
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start_all()
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with subtest("Wait for the autologin"):
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machine.wait_until_tty_matches("1", "alice@machine")
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with subtest("Can generate a PGP key"):
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# Note: this needs a tty because of pinentry
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machine.send_chars("gpg --gen-key\n")
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machine.wait_until_tty_matches("1", "Real name:")
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machine.send_chars("Alice\n")
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machine.wait_until_tty_matches("1", "Email address:")
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machine.send_chars("alice@machine\n")
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machine.wait_until_tty_matches("1", "Change")
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machine.send_chars("O\n")
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machine.wait_until_tty_matches("1", "Please enter")
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machine.send_chars("pgp_p4ssphrase\n")
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machine.wait_until_tty_matches("1", "Please re-enter")
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machine.send_chars("pgp_p4ssphrase\n")
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machine.wait_until_tty_matches("1", "public and secret key created")
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with subtest("Confirm the key is in the keyring"):
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machine.wait_until_succeeds(as_alice("gpg --list-secret-keys | grep -q alice@machine"))
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with subtest("Can generate and add an SSH key"):
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machine.succeed(as_alice("ssh-keygen -t ed25519 -f alice -N ssh_p4ssphrase"))
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# Note: apparently this must be run before using the OpenSSH agent
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# socket for the first time in a tty. It's not needed for `ssh`
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# because there's a hook that calls it automatically (only in NixOS).
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machine.send_chars("gpg-connect-agent updatestartuptty /bye\n")
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# Note: again, this needs a tty because of pinentry
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machine.send_chars("ssh-add alice\n")
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machine.wait_until_tty_matches("1", "Enter passphrase")
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machine.send_chars("ssh_p4ssphrase\n")
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machine.wait_until_tty_matches("1", "Please enter")
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machine.send_chars("ssh_agent_p4ssphrase\n")
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machine.wait_until_tty_matches("1", "Please re-enter")
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machine.send_chars("ssh_agent_p4ssphrase\n")
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with subtest("Confirm the SSH key has been registered"):
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machine.wait_until_succeeds(as_alice("ssh-add -l | grep -q alice@machine"))
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with subtest("Can preset the key passphrases in the agent"):
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machine.succeed(as_alice("echo allow-preset-passphrase > .gnupg/gpg-agent.conf"))
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machine.succeed(as_alice("pkill gpg-agent"))
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machine.succeed(as_alice("preset_key pgp pgp_p4ssphrase"))
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machine.succeed(as_alice("preset_key ssh ssh_agent_p4ssphrase"))
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with subtest("Can encrypt and decrypt a message"):
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machine.succeed(as_alice("echo Hello | gpg -e -r alice | gpg -d | grep -q Hello"))
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with subtest("Can log into the server"):
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# Install Alice's public key
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public_key = machine.succeed(as_alice("cat alice.pub"))
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server.succeed("mkdir /etc/ssh/authorized_keys.d")
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server.succeed(f"printf '{public_key}' > /etc/ssh/authorized_keys.d/alice")
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server.wait_for_open_port(22)
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machine.succeed(as_alice("ssh -i alice -o StrictHostKeyChecking=no server exit"))
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'';
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})
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