29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
115 lines
2.9 KiB
Nix
115 lines
2.9 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.cntlm;
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uid = config.ids.uids.cntlm;
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in
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{
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options = {
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services.cntlm = {
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enable = mkOption {
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default = false;
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description = ''
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Whether to enable the cntlm, which start a local proxy.
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'';
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};
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username = mkOption {
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description = ''
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Proxy account name, without the possibility to include domain name ('at' sign is interpreted literally).
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'';
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};
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domain = mkOption {
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description = ''Proxy account domain/workgroup name.'';
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};
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password = mkOption {
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default = "/etc/cntlm.password";
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type = types.str;
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description = ''Proxy account password. Note: use chmod 0600 on /etc/cntlm.password for security.'';
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};
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netbios_hostname = mkOption {
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type = types.str;
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description = ''
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The hostname of your machine.
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'';
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};
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proxy = mkOption {
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description = ''
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A list of NTLM/NTLMv2 authenticating HTTP proxies.
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Parent proxy, which requires authentication. The same as proxy on the command-line, can be used more than once to specify unlimited
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number of proxies. Should one proxy fail, cntlm automatically moves on to the next one. The connect request fails only if the whole
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list of proxies is scanned and (for each request) and found to be invalid. Command-line takes precedence over the configuration file.
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'';
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};
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port = mkOption {
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default = [3128];
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description = "Specifies on which ports the cntlm daemon listens.";
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};
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extraConfig = mkOption {
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default = "";
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description = "Verbatim contents of <filename>cntlm.conf</filename>.";
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};
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};
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};
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###### implementation
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config = mkIf config.services.cntlm.enable {
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services.cntlm.netbios_hostname = mkDefault config.networking.hostName;
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users.extraUsers = singleton {
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name = "cntlm";
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description = "cntlm system-wide daemon";
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home = "/var/empty";
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};
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jobs.cntlm =
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{ description = "CNTLM is an NTLM / NTLM Session Response / NTLMv2 authenticating HTTP proxy";
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startOn = "started network-interfaces";
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daemonType = "fork";
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exec =
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''
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${pkgs.cntlm}/bin/cntlm -U cntlm \
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-c ${pkgs.writeText "cntlm_config" cfg.extraConfig}
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'';
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};
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services.cntlm.extraConfig =
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''
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# Cntlm Authentication Proxy Configuration
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Username ${cfg.username}
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Domain ${cfg.domain}
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Password ${cfg.password}
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Workstation ${cfg.netbios_hostname}
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${concatMapStrings (entry: "Proxy ${entry}\n") cfg.proxy}
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${concatMapStrings (port: ''
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Listen ${toString port}
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'') cfg.port}
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'';
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};
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}
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