123 lines
3.5 KiB
Nix
123 lines
3.5 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.services.cntlm;
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configFile = if cfg.configText != "" then
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pkgs.writeText "cntlm.conf" ''
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${cfg.configText}
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''
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else
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pkgs.writeText "lighttpd.conf" ''
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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 ${cfg.password}
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${lib.optionalString (cfg.netbios_hostname != "") "Workstation ${cfg.netbios_hostname}"}
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${lib.concatMapStrings (entry: "Proxy ${entry}\n") cfg.proxy}
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${lib.optionalString (cfg.noproxy != []) "NoProxy ${lib.concatStringsSep ", " cfg.noproxy}"}
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${lib.concatMapStrings (port: ''
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Listen ${toString port}
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'') cfg.port}
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${cfg.extraConfig}
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'';
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in
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{
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options.services.cntlm = {
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enable = lib.mkEnableOption "cntlm, which starts a local proxy";
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username = lib.mkOption {
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type = lib.types.str;
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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 = lib.mkOption {
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type = lib.types.str;
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description = "Proxy account domain/workgroup name.";
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};
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password = lib.mkOption {
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default = "/etc/cntlm.password";
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type = lib.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 = lib.mkOption {
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type = lib.types.str;
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default = "";
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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 = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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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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example = [ "proxy.example.com:81" ];
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};
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noproxy = lib.mkOption {
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description = ''
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A list of domains where the proxy is skipped.
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'';
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default = [];
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type = lib.types.listOf lib.types.str;
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example = [ "*.example.com" "example.com" ];
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};
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port = lib.mkOption {
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default = [3128];
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type = lib.types.listOf lib.types.port;
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description = "Specifies on which ports the cntlm daemon listens.";
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};
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extraConfig = lib.mkOption {
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type = lib.types.lines;
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default = "";
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description = "Additional config appended to the end of the generated {file}`cntlm.conf`.";
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};
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configText = lib.mkOption {
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type = lib.types.lines;
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default = "";
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description = "Verbatim contents of {file}`cntlm.conf`.";
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};
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};
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###### implementation
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config = lib.mkIf cfg.enable {
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systemd.services.cntlm = {
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description = "CNTLM is an NTLM / NTLM Session Response / NTLMv2 authenticating HTTP proxy";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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User = "cntlm";
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ExecStart = ''
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${pkgs.cntlm}/bin/cntlm -U cntlm -c ${configFile} -v -f
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'';
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};
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};
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users.users.cntlm = {
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name = "cntlm";
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description = "cntlm system-wide daemon";
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isSystemUser = true;
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};
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};
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}
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