61 lines
2.4 KiB
Nix
61 lines
2.4 KiB
Nix
{ config, lib, pkgs, ... }:
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{
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networking.modemmanager.package = pkgs.modemmanager-split.daemon.overrideAttrs (upstream: {
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# patch to allow the dbus endpoints to be owned by networkmanager user
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postInstall = (upstream.postInstall or "") + ''
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substitute $out/share/dbus-1/system.d/org.freedesktop.ModemManager1.conf \
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$out/share/dbus-1/system.d/networkmanager-org.freedesktop.ModemManager1.conf \
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--replace-fail 'user="root"' 'group="networkmanager"'
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'';
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});
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systemd.services.ModemManager = {
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# aliases = [ "dbus-org.freedesktop.ModemManager1.service" ];
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# after = [ "polkit.service" ];
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# requires = [ "polkit.service" ];
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wantedBy = [ "network.target" ]; #< default is `multi-user.target`, somehow it doesn't auto-start with that...
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# path = [ "/run/current-system/sw" ]; #< so it can find `sanebox`
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# serviceConfig.Type = "dbus";
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# serviceConfig.BusName = "org.freedesktop.ModemManager1";
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# only if started with `--debug` does mmcli let us issue AT commands like
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# `mmcli --modem any --command=<AT_CMD>`
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serviceConfig.ExecStart = [
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"" # first blank line is to clear the upstream `ExecStart` field.
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"${lib.getExe' config.networking.modemmanager.package "ModemManager"} --debug"
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];
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# --debug sets DEBUG level logging: so reset
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serviceConfig.ExecStartPost = "${lib.getExe config.sane.programs.mmcli.package} --set-logging=INFO";
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# v this is what upstream ships
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# serviceConfig.Restart = "on-abort";
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# serviceConfig.StandardError = "null";
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# serviceConfig.CapabilityBoundingSet = "CAP_SYS_ADMIN CAP_NET_ADMIN";
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# serviceConfig.ProtectSystem = true;
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# serviceConfig.ProtectHome = true;
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# serviceConfig.PrivateTmp = true;
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# serviceConfig.RestrictAddressFamilies = "AF_NETLINK AF_UNIX AF_QIPCRTR";
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# serviceConfig.NoNewPrivileges = true;
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# TODO: sandbox more aggressively
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# - CAP_NET_ADMIN *only*?
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# it needs these paths:
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# - # "/"
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# - "/dev" #v modem-power + net are not enough
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# - # "/dev/modem-power"
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# - # "/dev/net"
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# - "/proc"
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# - # /run #v can likely be reduced more
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# - "/run/dbus"
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# - "/run/NetworkManager"
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# - "/run/resolvconf"
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# - "/run/systemd"
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# - "/run/udev"
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# - "/sys"
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};
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# so that ModemManager can discover when the modem appears
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# services.udev.packages = lib.mkIf cfg.enabled [ cfg.package ];
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}
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