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-rw-r--r--tv/2configs/ppp.nix78
1 files changed, 65 insertions, 13 deletions
diff --git a/tv/2configs/ppp.nix b/tv/2configs/ppp.nix
index 9cc7568a5..ff61f943f 100644
--- a/tv/2configs/ppp.nix
+++ b/tv/2configs/ppp.nix
@@ -1,9 +1,25 @@
-{ pkgs, ... }: {
-
- # usage: pppd call default
-
- environment.etc."ppp/peers/default".text = ''
- /dev/ttyACM2
+{ config, pkgs, ... }: let
+ lib = import <stockholm/lib>;
+ cfg = {
+ pin = "@${toString <secrets/o2.pin>}";
+ ttys.ppp = "/dev/ttyACM0";
+ ttys.com = "/dev/ttyACM1";
+ };
+in {
+ assertions = [
+ {
+ assertion = config.networking.resolvconf.enable;
+ message = "ppp configuration needs resolvconf";
+ }
+ ];
+ environment.etc."ppp/ip-up".source = pkgs.writeDash "ppp.ip-up" ''
+ ${pkgs.openresolv}/bin/resolvconf -a "$IFNAME" < /etc/ppp/resolv.conf
+ '';
+ environment.etc."ppp/ip-down".source = pkgs.writeDash "ppp.ip-down" ''
+ ${pkgs.openresolv}/bin/resolvconf -fd "$IFNAME"
+ '';
+ environment.etc."ppp/peers/o2".text = /* sh */ ''
+ ${cfg.ttys.ppp}
921600
crtscts
defaultroute
@@ -16,17 +32,53 @@
passive
persist
usepeerdns
- connect "${pkgs.ppp}/bin/chat -f ${pkgs.writeText "default.chat" ''
+ connect "${pkgs.ppp}/bin/chat ''${DEBUG+-v} -Ss -f ${pkgs.writeText "o2.chat" /* sh */ ''
ABORT "BUSY"
ABORT "NO CARRIER"
REPORT CONNECT
- "" "ATDT*99#"
- CONNECT
+ "*EMRDY: 1"
+ ATZ OK
+ AT+CFUN=1 OK
+ ${cfg.pin} TIMEOUT 2 ERROR-AT-OK
+ AT+CGDCONT=1,\042IP\042,\042internet\042 OK
+ ATDT*99***1# CONNECT
''}"
'';
-
- environment.systemPackages = [
- pkgs.ppp
+ users.users.root.packages = [
+ (pkgs.writeDashBin "connect" ''
+ # usage:
+ # connect wlan
+ # connect wwan [PEERNAME]
+ set -efu
+ rfkill_wlan=/sys/class/rfkill/rfkill2
+ rfkill_wwan=/sys/class/rfkill/rfkill1
+ case $1 in
+ wlan)
+ ${pkgs.procps}/bin/pkill pppd || :
+ echo 0 > "$rfkill_wwan"/state
+ echo 1 > "$rfkill_wlan"/state
+ ;;
+ wwan)
+ name=''${2-o2}
+ echo 0 > "$rfkill_wlan"/state
+ echo 1 > "$rfkill_wwan"/state
+ ${pkgs.ppp}/bin/pppd call "$name" updetach
+ ;;
+ *)
+ echo "$0: error: bad arguments: $*" >&2
+ exit 1
+ esac
+ '')
+ (pkgs.writeDashBin "modem-send" ''
+ # usage: modem-send ATCOMMAND
+ set -efu
+ tty=${lib.shell.escape cfg.ttys.com}
+ exec <"$tty"
+ printf '%s\r\n' "$1" >"$tty"
+ ${pkgs.gnused}/bin/sed -E '
+ /^OK\r?$/q
+ /^ERROR\r?$/q
+ '
+ '')
];
-
}