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`doas` is a lighter alternative to `sudo` that "provide[s] 95% of the features of `sudo` with a fraction of the codebase" [1]. I prefer it to `sudo`, so I figured I would add a NixOS module in order for it to be easier to use. The module is based off of the existing `sudo` module. [1] https://github.com/Duncaen/OpenDoas
83 lines
3.4 KiB
Nix
83 lines
3.4 KiB
Nix
# Some tests to ensure doas is working properly.
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import ./make-test-python.nix (
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{ lib, ... }: {
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name = "doas";
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meta = with lib.maintainers; {
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maintainers = [ cole-h ];
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};
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machine =
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{ ... }:
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{
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users.groups = { foobar = {}; barfoo = {}; baz = { gid = 1337; }; };
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users.users = {
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test0 = { isNormalUser = true; extraGroups = [ "wheel" ]; };
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test1 = { isNormalUser = true; };
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test2 = { isNormalUser = true; extraGroups = [ "foobar" ]; };
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test3 = { isNormalUser = true; extraGroups = [ "barfoo" ]; };
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test4 = { isNormalUser = true; extraGroups = [ "baz" ]; };
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test5 = { isNormalUser = true; };
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test6 = { isNormalUser = true; };
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test7 = { isNormalUser = true; };
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};
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security.doas = {
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enable = true;
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wheelNeedsPassword = false;
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extraRules = [
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{ users = [ "test1" ]; groups = [ "foobar" ]; }
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{ users = [ "test2" ]; noPass = true; setEnv = [ "CORRECT" "HORSE=BATTERY" ]; }
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{ groups = [ "barfoo" 1337 ]; noPass = true; }
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{ users = [ "test5" ]; noPass = true; keepEnv = true; runAs = "test1"; }
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{ users = [ "test6" ]; noPass = true; keepEnv = true; setEnv = [ "-STAPLE" ]; }
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{ users = [ "test7" ]; noPass = true; setEnv = [ "-SSH_AUTH_SOCK" ]; }
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];
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};
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};
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testScript = ''
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with subtest("users in wheel group should have passwordless doas"):
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machine.succeed('su - test0 -c "doas -u root true"')
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with subtest("test1 user should not be able to use doas without password"):
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machine.fail('su - test1 -c "doas -n -u root true"')
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with subtest("test2 user should be able to keep some env"):
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if "CORRECT=1" not in machine.succeed('su - test2 -c "CORRECT=1 doas env"'):
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raise Exception("failed to keep CORRECT")
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if "HORSE=BATTERY" not in machine.succeed('su - test2 -c "doas env"'):
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raise Exception("failed to setenv HORSE=BATTERY")
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with subtest("users in group 'barfoo' shouldn't require password"):
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machine.succeed("doas -u test3 doas -n -u root true")
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with subtest("users in group 'baz' (GID 1337) shouldn't require password"):
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machine.succeed("doas -u test4 doas -n -u root echo true")
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with subtest("test5 user should be able to run commands under test1"):
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machine.succeed("doas -u test5 doas -n -u test1 true")
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with subtest("test5 user should not be able to run commands under root"):
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machine.fail("doas -u test5 doas -n -u root true")
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with subtest("test6 user should be able to keepenv"):
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envs = ["BATTERY=HORSE", "CORRECT=false"]
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out = machine.succeed(
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'su - test6 -c "BATTERY=HORSE CORRECT=false STAPLE=Tr0ub4dor doas env"'
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)
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if not all(env in out for env in envs):
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raise Exception("failed to keep BATTERY or CORRECT")
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if "STAPLE=Tr0ub4dor" in out:
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raise Exception("failed to exclude STAPLE")
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with subtest("test7 should not have access to SSH_AUTH_SOCK"):
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if "SSH_AUTH_SOCK=HOLEY" in machine.succeed(
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'su - test7 -c "SSH_AUTH_SOCK=HOLEY doas env"'
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):
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raise Exception("failed to exclude SSH_AUTH_SOCK")
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'';
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}
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)
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