init

ap.py

@@ -0,0 +1,69 @@
+#! /usr/bin/python3
+
+import argparse
+import re
+import tempfile
+import os
+
+CONFIG_FILE_PATH = "/etc/create_ap/default.conf"
+
+def read_config():
+    with open(CONFIG_FILE_PATH, "r") as f:
+        return f.read()
+
+def write_config(config):
+    with tempfile.NamedTemporaryFile(delete=False) as f:
+        f.write(config.encode('utf-8'))
+        return f.name
+
+def replace_config_item(config, item, value):
+    return re.sub("(%s)=.*" % item, "\\1=%s" % value, config)
+
+def replace_config_items(config, values):
+    for item in values:
+        config = replace_config_item(config, item, values[item])
+    return config
+
+def which(program):
+    import os
+    def is_exe(fpath):
+        return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
+
+    fpath, fname = os.path.split(program)
+    if fpath:
+        if is_exe(program):
+            return program
+    else:
+        for path in os.environ["PATH"].split(os.pathsep):
+            path = path.strip('"')
+            exe_file = os.path.join(path, program)
+            if is_exe(exe_file):
+                return exe_file
+
+    return None
+
+def main():
+    parser = argparse.ArgumentParser(description='Create Wi-Fi access point')
+    parser.add_argument('method', help='The sharing method (bridge, nat, none)')
+    parser.add_argument('wlan_iface', help='The wireless device to use (wlanX)')
+    parser.add_argument('net_iface', help='The interface with network access (ethX)', default='', nargs='?')
+
+    args = parser.parse_args()
+
+    values = {
+            "WIFI_IFACE": args.wlan_iface,
+            "INTERNET_IFACE": args.net_iface,
+            "SHARE_METHOD": args.method
+            }
+
+    config = read_config()
+    config = replace_config_items(config, values)
+    temp_file_path = write_config(config)
+
+    print("Temp config file: %s" % temp_file_path)
+
+    create_ap_path = which('create_ap')
+    os.execv(create_ap_path, [create_ap_path, '--config', temp_file_path])
+
+
+main()