blob: 78ac54601febfa4d434a4d5645f0770bf8aaa401 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
{
lib,
config,
pkgs,
self,
...
}:
let
inherit (lib)
mkIf
mkOption
mkEnableOption
types
;
inherit (pkgs) stdenv;
inherit (stdenv.hostPlatform) system;
cfg = config.services.specimen;
in
{
options.services.specimen = {
enable = mkEnableOption "specimen application";
package = mkOption {
type = types.package;
description = "specimen package to use.";
default = self.packages.${system}.default;
};
port = mkOption {
type = types.port;
default = 4444;
description = "port that specimen will listen on.";
};
listenAddress = mkOption {
type = types.str;
default = "0.0.0.0";
description = "address that specimen will listen on.";
};
openFirewall = mkOption {
type = types.bool;
default = false;
description = "open specimen port in firewall for incoming connections.";
};
namePath = mkOption {
type = types.path;
description = "path from which specimen will get the content to reply with.";
};
};
config = mkIf cfg.enable {
networking.firewall.allowedTCPPorts = mkIf cfg.openFirewall [ cfg.port ];
systemd.services.specimen = {
description = "specimen application service";
wantedBy = [ "multi-user.target" ];
wants = [ "network.target" ];
after = [ "network.target" ];
serviceConfig = {
DynamicUser = true;
Type = "exec";
Restart = "always";
ExecStart = "${cfg.package}/bin/specimen -address ${cfg.listenAddress} -port ${toString cfg.port} -name ${cfg.namePath}";
# a gigantic amount of hardening!!
# realistically this much wouldn't be necessary.
# mostly here to show off ;3
# for documentation, see: https://www.freedesktop.org/software/systemd/man/latest/systemd.exec.html
LockPersonality = true;
CapabilityBoundingSet = [ "" ];
DeviceAllow = [ "" ];
MemoryDenyWriteExecute = true;
NoNewPrivileges = true;
PrivateDevices = true;
PrivateTmp = true;
ProtectClock = true;
ProtectProc = "invisible";
ProtectControlGroups = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectSystem = "strict";
RemoveIPC = true;
RestrictAddressFamilies = [
"AF_INET"
"AF_INET6"
];
RestrictNamespaces = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
SystemCallArchitectures = "native";
};
};
};
}
|
