1# Some tests to ensure sudo is working properly.
2
3let
4 password = "helloworld";
5in
6 import ./make-test-python.nix ({ lib, pkgs, ...} : {
7 name = "sudo";
8 meta.maintainers = with lib.maintainers; [ lschuermann ];
9
10 nodes.machine =
11 { lib, ... }:
12 {
13 users.groups = { foobar = {}; barfoo = {}; baz = { gid = 1337; }; };
14 users.users = {
15 test0 = { isNormalUser = true; extraGroups = [ "wheel" ]; };
16 test1 = { isNormalUser = true; password = password; };
17 test2 = { isNormalUser = true; extraGroups = [ "foobar" ]; password = password; };
18 test3 = { isNormalUser = true; extraGroups = [ "barfoo" ]; };
19 test4 = { isNormalUser = true; extraGroups = [ "baz" ]; };
20 test5 = { isNormalUser = true; };
21 };
22
23 security.sudo = {
24 enable = true;
25 wheelNeedsPassword = false;
26
27 extraConfig = ''
28 Defaults lecture="never"
29 '';
30
31 extraRules = [
32 # SUDOERS SYNTAX CHECK (Test whether the module produces a valid output;
33 # errors being detected by the visudo checks.
34
35 # These should not create any entries
36 { users = [ "notest1" ]; commands = [ ]; }
37 { commands = [ { command = "ALL"; options = [ ]; } ]; }
38
39 # Test defining commands with the options syntax, though not setting any options
40 { users = [ "notest2" ]; commands = [ { command = "ALL"; options = [ ]; } ]; }
41
42
43 # CONFIGURATION FOR TEST CASES
44 { users = [ "test1" ]; groups = [ "foobar" ]; commands = [ "ALL" ]; }
45 { groups = [ "barfoo" 1337 ]; commands = [ { command = "ALL"; options = [ "NOPASSWD" "NOSETENV" ]; } ]; }
46 { users = [ "test5" ]; commands = [ { command = "ALL"; options = [ "NOPASSWD" "SETENV" ]; } ]; runAs = "test1:barfoo"; }
47 ];
48 };
49 };
50
51 nodes.strict = { ... }: {
52 users.users = {
53 admin = { isNormalUser = true; extraGroups = [ "wheel" ]; };
54 noadmin = { isNormalUser = true; };
55 };
56
57 security.sudo = {
58 enable = true;
59 wheelNeedsPassword = false;
60 execWheelOnly = true;
61 };
62 };
63
64 testScript =
65 ''
66 with subtest("users in wheel group should have passwordless sudo"):
67 machine.succeed('su - test0 -c "sudo -u root true"')
68
69 with subtest("test1 user should have sudo with password"):
70 machine.succeed('su - test1 -c "echo ${password} | sudo -S -u root true"')
71
72 with subtest("test1 user should not be able to use sudo without password"):
73 machine.fail('su - test1 -c "sudo -n -u root true"')
74
75 with subtest("users in group 'foobar' should be able to use sudo with password"):
76 machine.succeed('su - test2 -c "echo ${password} | sudo -S -u root true"')
77
78 with subtest("users in group 'barfoo' should be able to use sudo without password"):
79 machine.succeed("sudo -u test3 sudo -n -u root true")
80
81 with subtest("users in group 'baz' (GID 1337)"):
82 machine.succeed("sudo -u test4 sudo -n -u root echo true")
83
84 with subtest("test5 user should be able to run commands under test1"):
85 machine.succeed("sudo -u test5 sudo -n -u test1 true")
86
87 with subtest("test5 user should not be able to run commands under root"):
88 machine.fail("sudo -u test5 sudo -n -u root true")
89
90 with subtest("test5 user should be able to keep their environment"):
91 machine.succeed("sudo -u test5 sudo -n -E -u test1 true")
92
93 with subtest("users in group 'barfoo' should not be able to keep their environment"):
94 machine.fail("sudo -u test3 sudo -n -E -u root true")
95
96 with subtest("users in wheel should be able to run sudo despite execWheelOnly"):
97 strict.succeed('su - admin -c "sudo -u root true"')
98
99 with subtest("non-wheel users should be unable to run sudo thanks to execWheelOnly"):
100 strict.fail('su - noadmin -c "sudo --help"')
101 '';
102 })