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Library for working with hostapd configuation files

Project description

This package contains a library for working with hostapd configuration file in Python. It is intended for configuring simple access points and supports the folowing configuration:

  • Interface selection

  • Driver selection (nl80211 and rtl871xdrv, as supported)

  • SSID

  • Country code

  • Channel

  • WPA configuration (passphrase, WPA mode)

  • Maximum client limit

  • Hidden SSID

Configuration class

To load the configuration file, use the HostapdConf class:

>>> from hostapdconf.parser import HostapdConf
>>> conf = HostapdConf('example/hostapd_example.conf')

This class is a generic configuration parser/writer and doesn’t know much about how configuration options work. It behaves like a dictionary, and you can look up keys using subscript notation. For example:

>>> conf['interface']

If a key is not found, a KeyError is raised.

>>> conf['driver']
KeyError: '<HostapdConf "interface=wlan0...">' has no key 'driver'

You can set any key by assigning:

>>> conf['driver'] = 'nl80211'

You can update multiple values by calling the update() method with a dictionary as its argument, just like with Python dictionaries. Finally, if you want to save the configuration file, you can use the write() method:

>>> conf.write()

If you wish to save the file to another location, simply pass the path to the write() method. To reload the configuration, you can use the reload() method.

HostapdConf class will preserve the order of the configuration keys as much as possible, but it does not offer methods for inserting configuration options at random locations.

Helper functions

To help with common configuration tasks, there is a number of helper methods.

Helpers are found in the hosapdconf.helpers module.

>>> from hostapdconf import helpers as ha

Each helper function takes the configuration object as first argument followed by arguments specific to the setting. Here is a quick overview of the helper methods:

>>> ha.set_ssid(conf, 'Foobar')
>>> ha.hide_ssid(conf)
>>> ha.reveal_ssid(conf)
>>> ha.set_iface(conf, 'wlan2')
>>> ha.set_driver(conf, ha.REALTEK)  # or ha.STANDARD
>>> ha.set_channel(conf, 2)
# wpa_modes supported: ha.WPA1_ONLY, ha.WPA2_ONLY, ha.WPA_BOTH
>>> ha.enable_wpa(conf, passphrase='SECRET', wpa_mode=ha.WPA2_ONLY)
>>> ha.disable_wpa(conf)
>>> ha.set_country(conf, 'de')


pyhostapdconf is released under GPLv3. Please see the COPYING file in the source tree.

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