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|
import ../make-test-python.nix ({ pkgs, ... } :
let
inherit (import ./../ssh-keys.nix pkgs)
snakeOilPrivateKey snakeOilPublicKey;
# don't check host keys or known hosts, use the snakeoil ssh key
ssh-config = builtins.toFile "ssh.conf" ''
UserKnownHostsFile=/dev/null
StrictHostKeyChecking=no
IdentityFile=~/.ssh/id_snakeoil
'';
in {
name = "google-oslogin";
meta = with pkgs.lib.maintainers; {
maintainers = [ adisbladis flokli ];
};
nodes = {
# the server provides both the the mocked google metadata server and the ssh server
server = (import ./server.nix pkgs);
client = { ... }: {};
};
testScript = ''
MOCKUSER = "mockuser_nixos_org"
MOCKADMIN = "mockadmin_nixos_org"
start_all()
server.wait_for_unit("mock-google-metadata.service")
server.wait_for_open_port(80)
# mockserver should return a non-expired ssh key for both mockuser and mockadmin
server.succeed(
f'${pkgs.google-guest-oslogin}/bin/google_authorized_keys {MOCKUSER} | grep -q "${snakeOilPublicKey}"'
)
server.succeed(
f'${pkgs.google-guest-oslogin}/bin/google_authorized_keys {MOCKADMIN} | grep -q "${snakeOilPublicKey}"'
)
# install snakeoil ssh key on the client, and provision .ssh/config file
client.succeed("mkdir -p ~/.ssh")
client.succeed(
"cat ${snakeOilPrivateKey} > ~/.ssh/id_snakeoil"
)
client.succeed("chmod 600 ~/.ssh/id_snakeoil")
client.succeed("cp ${ssh-config} ~/.ssh/config")
client.wait_for_unit("network.target")
server.wait_for_unit("sshd.service")
# we should not be able to connect as non-existing user
client.fail("ssh ghost@server 'true'")
# we should be able to connect as mockuser
client.succeed(f"ssh {MOCKUSER}@server 'true'")
# but we shouldn't be able to sudo
client.fail(
f"ssh {MOCKUSER}@server '/run/wrappers/bin/sudo /run/current-system/sw/bin/id' | grep -q 'root'"
)
# we should also be able to log in as mockadmin
client.succeed(f"ssh {MOCKADMIN}@server 'true'")
# pam_oslogin_admin.so should now have generated a sudoers file
server.succeed(
f"find /run/google-sudoers.d | grep -q '/run/google-sudoers.d/{MOCKADMIN}'"
)
# and we should be able to sudo
client.succeed(
f"ssh {MOCKADMIN}@server '/run/wrappers/bin/sudo /run/current-system/sw/bin/id' | grep -q 'root'"
)
'';
})
|