Tag Archives: hostapd

Using Hostapd with dnsmasq to create Virtual Wifi Access Point in Linux

NOTE: This is an alternative branch off from my previous Hostapd guide, which I really recommend going through before this.

In my previous hostapd guide, I used dhcpd to assign IP addresses to the clients connecting to the access point. While this works fine for most scenarios, it is an overkill to use dhcpd for such situations where normally the number of clients is 2-3, or around 20 at max. For such cases, dnsmasq is a better option.

Installing

Install dnsmasq from somewhere

# Arch Linux
sudo pacman -S dnsmasq
# Ubuntu
sudo apt-get install dnsmasq

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Hostapd Python Client

Earlier i had written a guide about setting up and running hostapd. To hone my python skills and make using and configuring hostapd simpler, i wrote a python client for hostapd. I also intend this project to serve as a base for a connectify-like GUI hostapd client, which i will start working on in a few days. This project is nearly complete, with proper logging system yet to implement and fix any unknown bugs.

Getting and Installing hostapd-python-script

Just paste this on your command line.


git clone https://github.com/nims11/hostapd-python-script.git

cd hostapd-python-script

Read the README.textile file, it will get you well covered.

Contribute

Help me improve it by reporting bugs, suggestions and pull requests. I have only tested it well enough under my Arch Linux installation with ath9k wifi driver, so reporting working/non-working environments will help a lot. I believe the sourcecode is simple enough to understand and i have documented most part of it. Will document the rest in few days as well.

Thank you 🙂

Hostapd : The Linux Way to create Virtual Wifi Access Point

NOTE: Although this guide should work in most cases, it is not flawless and still requires few minor modifications to make the process bug-free. Please do point out corrections and changes.

(After you are done with this post, please do checkout my Python Hostapd Client)

I was recently looking into ways to use my laptop’s wifi adapter as a wireless access point to enable my phone (Nokia E63) and playstation portable to connect to the internet through it. Ad-hoc feature may be used to share internet through wifi, but it doesn’t work with many phones and my PSP. I found connectify and virtual router for Windows which served this purpose, unsatisfactorily. Other than the reasons like Virtual Router not detecting my 3g modem and Connectify (free version) not allowing me to set desired ssid for my virtual access point, the biggest issue with these two was the limited modes available for the access point. Both the programs offered only WPA2-PSK encryption for infrastructure mode and WEP and open encryption for ad-hoc modes. Many devices connect only through infrastructure mode and support for WPA2-PSK is absent in few devices (including the PSP). Also, since I am a Linux user, I needed something else.

This is where hostapd kicks in.
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