From 7f41109bc9e52cf3b8a7e74efc7bb1480dbbc574 Mon Sep 17 00:00:00 2001
From: lassulus <lassulus@lassul.us>
Date: Wed, 20 Nov 2019 21:38:16 +0100
Subject: [PATCH] l autowifi: convert to submodule

---
 .gitmodules                     |   6 +
 lass/5pkgs/autowifi             |   1 +
 lass/5pkgs/autowifi/autowifi.py | 228 --------------------------------
 lass/5pkgs/autowifi/default.nix |   1 -
 4 files changed, 7 insertions(+), 229 deletions(-)
 create mode 160000 lass/5pkgs/autowifi
 delete mode 100644 lass/5pkgs/autowifi/autowifi.py
 delete mode 100644 lass/5pkgs/autowifi/default.nix

diff --git a/.gitmodules b/.gitmodules
index f35a9250d..15d1b41de 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,9 @@
 [submodule "submodules/krops"]
 	path = submodules/krops
 	url = https://cgit.krebsco.de/krops
+[submodule "lass/5pkgs/autowifi"]
+	path = lass/5pkgs/autowifi
+	url = https://github.com/Lassulus/autowifi
+[submodule "lass/5pkgs/--force"]
+	path = lass/5pkgs/--force
+	url = https://github.com/Lassulus/autowifi
diff --git a/lass/5pkgs/autowifi b/lass/5pkgs/autowifi
new file mode 160000
index 000000000..cf3ae8f6f
--- /dev/null
+++ b/lass/5pkgs/autowifi
@@ -0,0 +1 @@
+Subproject commit cf3ae8f6fe285eab67db4f36f9a3da3762c35317
diff --git a/lass/5pkgs/autowifi/autowifi.py b/lass/5pkgs/autowifi/autowifi.py
deleted file mode 100644
index fa3d007e7..000000000
--- a/lass/5pkgs/autowifi/autowifi.py
+++ /dev/null
@@ -1,228 +0,0 @@
-import subprocess
-import time
-import urllib.request
-import logging
-import argparse
-import socket
-import struct
-import signal
-import os
-
-wifiDB = ''
-logger = logging.getLogger()
-got_signal = False
-
-
-def signal_handler(signum, frame):
-    global got_signal
-    got_signal = True
-
-
-def get_default_gateway() -> str:
-    """Read the default gateway directly from /proc."""
-    with open("/proc/net/route") as fh:
-        for line in fh:
-            fields = line.strip().split()
-            if fields[1] != '00000000' or not int(fields[3], 16) & 2:
-                continue
-
-            return socket.inet_ntoa(struct.pack("<L", int(fields[2], 16)))
-
-
-def connect(ssid, psk=None):
-    subprocess.run(
-        ["nmcli", "connection", "delete", "autowifi"],
-        stdout=subprocess.PIPE,
-    )
-    logging.info('connecting to %s', ssid)
-    if psk is None:
-        subprocess.run(
-            [
-                "nmcli",
-                "device",
-                "wifi",
-                "connect",
-                ssid,
-                "name",
-                "autowifi",
-            ],
-            stdout=subprocess.PIPE,
-        )
-    else:
-        subprocess.run(
-            [
-                "nmcli",
-                "device",
-                "wifi",
-                "connect",
-                ssid,
-                "name",
-                "autowifi",
-                "password",
-                psk,
-            ],
-            stdout=subprocess.PIPE,
-        )
-    time.sleep(5)
-
-
-def scan():
-    logging.debug('scanning wifis')
-    wifis_raw = subprocess.check_output([
-        "nmcli",
-        "-t",
-        "device",
-        "wifi",
-        "list",
-        "--rescan",
-        "yes",
-    ])
-    wifis_list = wifis_raw.split(b'\n')
-    logging.debug('scanning wifis finished')
-    wifis = []
-    for line in wifis_list:
-        logging.debug(line)
-        ls = line.split(b':')
-        if len(ls) == 8:
-            wifis.append({
-                "ssid": ls[1],
-                "signal": int(ls[5]),
-                "crypto": ls[7]
-            })
-    return wifis
-
-
-def get_known_wifis():
-    wifis_lines = []
-    with open(wifiDB) as f:
-        wifis_lines = f.read().splitlines()
-    wifis = []
-    for line in wifis_lines:
-        ls = line.split('/')
-        wifis.append({"ssid": ls[0].encode(), "psk": ls[1].encode()})
-    return wifis
-
-
-def check_network():
-    logging.debug('checking network')
-
-    global got_signal
-    if got_signal:
-        logging.info('got disconnect signal')
-        got_signal = False
-        return False
-    else:
-        gateway = get_default_gateway()
-        if gateway:
-            response = subprocess.run(
-                [
-                    'ping',
-                    '-q',
-                    '-c',
-                    '1',
-                    gateway,
-                ],
-                stdout=subprocess.PIPE,
-            )
-            if response.returncode == 0:
-                logging.debug('host %s is up', gateway)
-                return True
-            else:
-                logging.debug('host %s is down', gateway)
-                return False
-        else:
-            logging.debug('no gateway')
-            return False
-
-
-def check_internet():
-    logging.debug('checking internet')
-
-    try:
-        with open('./dummy_internet') as f:
-            dummy_content = f.read()
-            if dummy_content == 'xxx\n':
-                return True
-        beacon = urllib.request.urlopen('http://krebsco.de/secret')
-    except Exception as e:  # noqa
-        logging.debug(e)
-        logging.info('no internet exc')
-        return False
-    if beacon.read() == b'1337\n':
-        return True
-    logging.info('no internet oh')
-    return False
-
-
-def is_wifi_open(wifi):
-    if wifi['crypto'] == b'':
-        return True
-    else:
-        return False
-
-
-def is_wifi_seen(wifi, seen_wifis):
-    for seen_wifi in seen_wifis:
-        if seen_wifi["ssid"] == wifi["ssid"]:
-            return True
-    return False
-
-
-def main():
-    parser = argparse.ArgumentParser()
-
-    parser.add_argument(
-        '-c', '--config',
-        dest='config',
-        help='wifi config file to use',
-        default='/etc/wifis',
-    )
-
-    parser.add_argument(
-        '-l', '--loglevel',
-        dest='loglevel',
-        help='loglevel to use',
-        default=logging.INFO,
-    )
-
-    parser.add_argument(
-        '-p', '--pidfile',
-        dest='pidfile',
-        help='file to write the pid to',
-        default=None,
-    )
-
-    args = parser.parse_args()
-
-    global wifiDB
-    wifiDB = args.config
-    logger.setLevel(args.loglevel)
-
-    signal.signal(signal.SIGUSR1, signal_handler)
-
-    if args.pidfile:
-        with open(args.pidfile, 'w+') as f:
-            f.write(str(os.getpid()))
-
-    while True:
-        if not check_network():
-            wifis = scan()
-            known_wifis = get_known_wifis()
-            known_seen_wifis = [
-                wifi for wifi in known_wifis if is_wifi_seen(wifi, wifis)
-            ]
-            for wifi in known_seen_wifis:
-                connect(wifi['ssid'], wifi['psk'])
-                if check_network():
-                    break
-            open_wifis = filter(is_wifi_open, wifis)
-            for wifi in open_wifis:
-                connect(wifi['ssid'])
-
-                if check_network():
-                    break
-        time.sleep(10)
-
-
-if __name__ == '__main__':
-    main()
diff --git a/lass/5pkgs/autowifi/default.nix b/lass/5pkgs/autowifi/default.nix
deleted file mode 100644
index d565a6bb6..000000000
--- a/lass/5pkgs/autowifi/default.nix
+++ /dev/null
@@ -1 +0,0 @@
-pkgs.writers.writePython3Bin "autowifi" {} ./autowifi.py