l: add ppp.nix

lass/1systems/mors/config.nix

@@ -39,6 +39,7 @@ with import <stockholm/lib>;
     <stockholm/lass/2configs/network-manager.nix>
     <stockholm/lass/2configs/nfs-dl.nix>
     #<stockholm/lass/2configs/hardening.nix>
+    <stockholm/lass/2configs/ppp.nix>
     {
       krebs.iptables.tables.filter.INPUT.rules = [
         #risk of rain

lass/2configs/ppp.nix

@@ -0,0 +1,32 @@
+{ pkgs, ... }: {
+
+  # usage: pppd call default
+
+  environment.etc."ppp/peers/default".text = ''
+    /dev/ttyACM2
+    921600
+    crtscts
+    defaultroute
+    holdoff 10
+    lock
+    maxfail 0
+    noauth
+    nodetach
+    noipdefault
+    passive
+    persist
+    usepeerdns
+    connect "${pkgs.ppp}/bin/chat -f ${pkgs.writeText "default.chat" ''
+      ABORT "BUSY"
+      ABORT "NO CARRIER"
+      REPORT CONNECT
+      "" "ATDT*99#"
+      CONNECT
+    ''}"
+  '';
+
+  environment.systemPackages = [
+    pkgs.ppp
+  ];
+
+}