pyrox.dev
1{ config, lib, pkgs, ... }:
2
3with lib;
4
5let
6
7 cfg = config.services.cntlm;
8 uid = config.ids.uids.cntlm;
9
10in
11
12{
13
14 options = {
15
16 services.cntlm = {
17
18 enable = mkOption {
19 default = false;
20 description = ''
21 Whether to enable the cntlm, which start a local proxy.
22 '';
23 };
24
25 username = mkOption {
26 description = ''
27 Proxy account name, without the possibility to include domain name ('at' sign is interpreted literally).
28 '';
29 };
30
31 domain = mkOption {
32 description = ''Proxy account domain/workgroup name.'';
33 };
34
35 password = mkOption {
36 default = "/etc/cntlm.password";
37 type = types.str;
38 description = ''Proxy account password. Note: use chmod 0600 on /etc/cntlm.password for security.'';
39 };
40
41 netbios_hostname = mkOption {
42 type = types.str;
43 description = ''
44 The hostname of your machine.
45 '';
46 };
47
48 proxy = mkOption {
49 description = ''
50 A list of NTLM/NTLMv2 authenticating HTTP proxies.
51
52 Parent proxy, which requires authentication. The same as proxy on the command-line, can be used more than once to specify unlimited
53 number of proxies. Should one proxy fail, cntlm automatically moves on to the next one. The connect request fails only if the whole
54 list of proxies is scanned and (for each request) and found to be invalid. Command-line takes precedence over the configuration file.
55 '';
56 };
57
58 port = mkOption {
59 default = [3128];
60 description = "Specifies on which ports the cntlm daemon listens.";
61 };
62
63 extraConfig = mkOption {
64 default = "";
65 description = "Verbatim contents of <filename>cntlm.conf</filename>.";
66 };
67
68 };
69
70 };
71
72
73 ###### implementation
74
75 config = mkIf config.services.cntlm.enable {
76
77 services.cntlm.netbios_hostname = mkDefault config.networking.hostName;
78
79 users.extraUsers = singleton {
80 name = "cntlm";
81 description = "cntlm system-wide daemon";
82 home = "/var/empty";
83 };
84
85 jobs.cntlm =
86 { description = "CNTLM is an NTLM / NTLM Session Response / NTLMv2 authenticating HTTP proxy";
87
88 startOn = "started network-interfaces";
89
90 daemonType = "fork";
91
92 exec =
93 ''
94 ${pkgs.cntlm}/bin/cntlm -U cntlm \
95 -c ${pkgs.writeText "cntlm_config" cfg.extraConfig}
96 '';
97 };
98
99 services.cntlm.extraConfig =
100 ''
101 # Cntlm Authentication Proxy Configuration
102 Username ${cfg.username}
103 Domain ${cfg.domain}
104 Password ${cfg.password}
105 Workstation ${cfg.netbios_hostname}
106 ${concatMapStrings (entry: "Proxy ${entry}\n") cfg.proxy}
107
108 ${concatMapStrings (port: ''
109 Listen ${toString port}
110 '') cfg.port}
111 '';
112
113 };
114
115}