nixpkgs/nixos/tests/systemd-escaping.nix

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import ./make-test-python.nix ({ pkgs, ... }:
let
echoAll = pkgs.writeScript "echo-all" ''
#! ${pkgs.runtimeShell}
for s in "$@"; do
printf '%s\n' "$s"
done
'';
# deliberately using a local empty file instead of pkgs.emptyFile to have
# a non-store path in the test
args = [ "a%Nything" "lang=\${LANG}" ";" "/bin/sh -c date" ./empty-file 4.2 23 ];
in
{
name = "systemd-escaping";
2022-03-20 23:15:30 +00:00
nodes.machine = { pkgs, lib, utils, ... }: {
systemd.services.echo =
assert !(builtins.tryEval (utils.escapeSystemdExecArgs [ [] ])).success;
assert !(builtins.tryEval (utils.escapeSystemdExecArgs [ {} ])).success;
assert !(builtins.tryEval (utils.escapeSystemdExecArgs [ null ])).success;
assert !(builtins.tryEval (utils.escapeSystemdExecArgs [ false ])).success;
assert !(builtins.tryEval (utils.escapeSystemdExecArgs [ (_:_) ])).success;
{ description = "Echo to the journal";
serviceConfig.Type = "oneshot";
serviceConfig.ExecStart = ''
${echoAll} ${utils.escapeSystemdExecArgs args}
'';
};
};
testScript = ''
machine.wait_for_unit("multi-user.target")
machine.succeed("systemctl start echo.service")
# skip the first 'Starting <service> ...' line
logs = machine.succeed("journalctl -u echo.service -o cat").splitlines()[1:]
assert "a%Nything" == logs[0]
assert "lang=''${LANG}" == logs[1]
assert ";" == logs[2]
assert "/bin/sh -c date" == logs[3]
assert "/nix/store/ij3gw72f4n5z4dz6nnzl1731p9kmjbwr-empty-file" == logs[4]
assert "4.2" in logs[5] # toString produces extra fractional digits!
assert "23" == logs[6]
'';
})