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import ./make-test-python.nix ({ pkgs, lib, ... }: {
name = "aesmd";
meta = {
maintainers = with lib.maintainers; [ veehaitch ];
};
machine = { lib, ... }: {
services.aesmd = {
enable = true;
settings = {
defaultQuotingType = "ecdsa_256";
proxyType = "direct";
whitelistUrl = "http://nixos.org";
};
};
# Should have access to the AESM socket
users.users."sgxtest" = {
isNormalUser = true;
extraGroups = [ "sgx" ];
};
# Should NOT have access to the AESM socket
users.users."nosgxtest".isNormalUser = true;
# We don't have a real SGX machine in NixOS tests
systemd.services.aesmd.unitConfig.AssertPathExists = lib.mkForce [ ];
};
testScript = ''
with subtest("aesmd.service starts"):
machine.wait_for_unit("aesmd.service")
status, main_pid = machine.systemctl("show --property MainPID --value aesmd.service")
assert status == 0, "Could not get MainPID of aesmd.service"
main_pid = main_pid.strip()
with subtest("aesmd.service runtime directory permissions"):
runtime_dir = "/run/aesmd";
res = machine.succeed(f"stat -c '%a %U %G' {runtime_dir}").strip()
assert "750 aesmd sgx" == res, f"{runtime_dir} does not have the expected permissions: {res}"
with subtest("aesm.socket available on host"):
socket_path = "/var/run/aesmd/aesm.socket"
machine.wait_until_succeeds(f"test -S {socket_path}")
machine.succeed(f"test 777 -eq $(stat -c '%a' {socket_path})")
for op in [ "-r", "-w", "-x" ]:
machine.succeed(f"sudo -u sgxtest test {op} {socket_path}")
machine.fail(f"sudo -u nosgxtest test {op} {socket_path}")
with subtest("Copies white_list_cert_to_be_verify.bin"):
whitelist_path = "/var/opt/aesmd/data/white_list_cert_to_be_verify.bin"
whitelist_perms = machine.succeed(
f"nsenter -m -t {main_pid} ${pkgs.coreutils}/bin/stat -c '%a' {whitelist_path}"
).strip()
assert "644" == whitelist_perms, f"white_list_cert_to_be_verify.bin has permissions {whitelist_perms}"
with subtest("Writes and binds aesm.conf in service namespace"):
aesmd_config = machine.succeed(f"nsenter -m -t {main_pid} ${pkgs.coreutils}/bin/cat /etc/aesmd.conf")
assert aesmd_config == "whitelist url = http://nixos.org\nproxy type = direct\ndefault quoting type = ecdsa_256\n", "aesmd.conf differs"
'';
})
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