60 lines
1.4 KiB
Nix
60 lines
1.4 KiB
Nix
# /etc files related to networking, such as /etc/services.
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{config, pkgs, ...}:
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with pkgs.lib;
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let
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cfg = config.networking;
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options = {
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networking.extraHosts = pkgs.lib.mkOption {
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default = "";
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example = "192.168.0.1 lanlocalhost";
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description = ''
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Additional entries to be appended to <filename>/etc/hosts</filename>.
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'';
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};
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};
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localhostWithDomain = optionalString (cfg.domain != "")
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"localhost.${cfg.domain}";
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hostnameWithDomain = optionalString
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(cfg.domain != "" && cfg.hostName != "")
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"${cfg.hostName}.${cfg.domain}";
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in
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{
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require = [options];
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environment.etc =
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[ { # /etc/services: TCP/UDP port assignments.
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source = pkgs.iana_etc + "/etc/services";
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target = "services";
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}
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{ # /etc/protocols: IP protocol numbers.
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source = pkgs.iana_etc + "/etc/protocols";
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target = "protocols";
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}
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{ # /etc/rpc: RPC program numbers.
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source = pkgs.glibc + "/etc/rpc";
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target = "rpc";
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}
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{ # /etc/hosts: Hostname-to-IP mappings.
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source = pkgs.writeText "hosts"
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''
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${cfg.extraHosts}
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${optionalString (cfg.hostName != "")
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"127.0.0.1 ${cfg.hostName} ${hostnameWithDomain}"}
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127.0.0.1 localhost ${localhostWithDomain}
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'';
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target = "hosts";
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}
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];
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}
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