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Project Description

Motivation

This library provides an interface to the wpa_supplicant D-Bus interface. As of now, there is really no good option for interfacing with wpa_supplicant from Python and to go a step further, the existing D-Bus libraries are difficult to work with. This library abstracts all of that away into a very clean API based on wpa_supplicant D-Bus documentation.

Overview

This library is more than just a library that can be used programmatically, it also serves as a command-line tool for easily using wpa_supplicant and exercising the library.

Here is a quick example of creating an wireless interface (wlan0) and performing a scan.

With the library:

from wpa_supplicant.core import WpaSupplicantDriver
from twisted.internet.selectreactor import SelectReactor
import threading
import time

# Start a simple Twisted SelectReactor
reactor = SelectReactor()
threading.Thread(target=reactor.run, kwargs={'installSignalHandlers': 0}).start()
time.sleep(0.1)  # let reactor start

# Start Driver
driver = WpaSupplicantDriver(reactor)

# Connect to the supplicant, which returns the "root" D-Bus object for wpa_supplicant
supplicant = driver.connect()

# Register an interface w/ the supplicant, this can raise an error if the supplicant
# already knows about this interface
interface = supplicant.create_interface('wlan0')

# Issue the scan
scan_results = interface.scan(block=True)
for bss in scan_results:
    print bss.get_ssid()

With the CLI, you can do it in 2 commands:

$ wpa create_interface wlan0
Interface(Path: /fi/w1/wpa_supplicant1/Interfaces/5, Name: wlan0, State: disconnected)
OK
$ wpa interface wlan0 scan
 BSS(Path: /fi/w1/wpa_supplicant1/Interfaces/3/BSSs/13, SSID: WINKHUB-107, BSSID: B4:79:A7:17:38:B5, Signal: -75dBm),
 BSS(Path: /fi/w1/wpa_supplicant1/Interfaces/3/BSSs/20, SSID: Stage, BSSID: 04:18:D6:67:2A:9C, Signal: -67dBm),
 BSS(Path: /fi/w1/wpa_supplicant1/Interfaces/3/BSSs/22, SSID: DAP-GUEST, BSSID: 00:07:7D:34:DB:BD, Signal: -73dBm),
 BSS(Path: /fi/w1/wpa_supplicant1/Interfaces/3/BSSs/24, SSID: HaberHive, BSSID: E0:1C:41:B5:6F:D5, Signal: -71dBm),
 BSS(Path: /fi/w1/wpa_supplicant1/Interfaces/3/BSSs/25, SSID: CMLS Guest WiFi, BSSID: 02:18:4A:91:E9:50, Signal: -79dBm),
 BSS(Path: /fi/w1/wpa_supplicant1/Interfaces/3/BSSs/26, SSID: Shout Public, BSSID: 0A:18:D6:67:27:9E, Signal: -77dBm),
 BSS(Path: /fi/w1/wpa_supplicant1/Interfaces/3/BSSs/29, SSID: ThinkTank, BSSID: 00:12:5F:03:AD:B4, Signal: -79dBm)]
OK

Installation

$ pip install wpa_supplicant

Feature Coverage Map

Often times adding a command or method to the library is very trivial however due to the finicky-ness of D-Bus in my experience, it is better to have an explicit method in the library that maps to a method in the D-Bus interface, even if the implementation is very cookie-cutter.

Here is the current feature coverage:

Object Method Supported
root CreateInterface Yes
  RemoveInterface Yes
  GetInterface Yes
  Get (properties) Yes
  Set (properties) Yes
  Register (signal) Yes
Interface Scan Yes
  Disconnect Yes
  AddNetwork Yes
  RemoveNetwork Yes
  RemoveAllNetworks Yes
  SelectNetwork Yes
  Reassociate *
  Reattach *
  AddBlob *
  RemoveBlob *
  GetBlob *
  AutoScan *
  TDLSDiscover *
  TDLSSetup *
  TDLSStatus *
  TDLSTeardown *
  EAPLogoff *
  EAPLogon *
  NetworkReply *
  SetPKCS11EngineAndModulePath *
  SignalPoll *
  FlushBSS *
  SubscribeProbReq *
  UnsubscribeProbReq *
  Get (properties) Yes
  Set (properties) Yes
  Register (signal) Yes
Interface.WPS Start *
  Get (properties) *
  Set (properties) *
  Register (signal) *
Interface.P2PDevice Find *
  StopFind *
  Listen *
  ExtendedListen *
  PresenceRequest *
  ProvisionDiscoveryRequest *
  Connect *
  GroupAdd *
  Invite *
  Disconnect *
  RejectPeer *
  Flush *
  AddService *
  DeleteService *
  FlushService *
  ServiceDiscoveryRequest *
  ServiceDiscoveryResponse *
  ServiceDiscoveryCancelRequest *
  ServiceUpdate *
  Register (signal) *
BSS Get (properties) Yes
  Set (properties) Yes
  Register (signal) Yes
Network Get (properties) Yes
  Set (properties) Yes
  Register (signal) Yes
Peer Get (properties) *
  Set (properties) *
  Register (signal) *
Group Get (properties) *
  Set (properties) *
  Register (signal) *
PersistentGroup Get (properties) *
  Set (properties) *
  Register (signal) *

License

This software is open-source. Copyright (c), Digi International Inc., 2015.

This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, you can obtain one at http://mozilla.org/MPL/2.0/.

Digi, Digi International, the Digi logo, the Digi website, and Digi Device Cloud are trademarks or registered trademarks of Digi International, Inc. in the United States and other countries worldwide. All other trademarks are the property of their respective owners.

THE SOFTWARE AND RELATED TECHNICAL INFORMATION IS PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL DIGI OR ITS SUBSIDIARIES BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION IN CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE AND TECHNICAL INFORMATION HEREIN, INCLUDING ALL SOURCE AND OBJECT CODES, IRRESPECTIVE OF HOW IT IS USED. YOU AGREE THAT YOU ARE NOT PROHIBITED FROM RECEIVING THIS SOFTWARE AND TECHNICAL INFORMATION UNDER UNITED STATES AND OTHER APPLICABLE COUNTRY EXPORT CONTROL LAWS AND REGULATIONS AND THAT YOU WILL COMPLY WITH ALL APPLICABLE UNITED STATES AND OTHER COUNTRY EXPORT LAWS AND REGULATIONS WITH REGARD TO USE AND EXPORT OR RE-EXPORT OF THE SOFTWARE AND TECHNICAL INFORMATION.

Release History

Release History

0.2

This version

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0.1

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
wpa_supplicant-0.2.tar.gz (21.8 kB) Copy SHA256 Checksum SHA256 Source Jun 5, 2015

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