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Wireless Hacks
book

Wireless Hacks

by Rob Flickenger
September 2003
Intermediate to advanced content levelIntermediate to advanced
304 pages
8h 39m
English
O'Reilly Media, Inc.
Content preview from Wireless Hacks

NoCatSplash and Cheshire

If you need a simple “splash screen” for your wireless users, try either of these simple captive portals.

Some people find that Perl is too heavy of a requirement for their gateway hardware, making it impractical to use NoCatAuth. If you are only looking for a “click here to continue” sort of splash page (without the full authentication mechanism), you may be interested in NoCatSplash. It is a port of NoCatAuth entirely rewritten in C. Its requirements are quite small, but it supports only simple open mode portal functionality. The current version works under Linux, and portability to BSD and other systems is planned for the near future.

To install NoCatSplash, download the current CVS tree or just grab the archive available at http://nocat.net/download/NoCatSplash/. Unpack the archive, navigate to NoCatSplash-nightly/, and install it with a simple:

rob@florian:~/NoCatSplash-nightly$ ./configure; make; make install

This installs splashd to /usr/local/sbin/, and puts the nocat.conf configuration file in /usr/local/etc/. Edit the nocat.conf file to your tastes, taking note to set the ExternalDevice, InternalDevice, LocalNetwork, and DNSAddr options to fit your network layout. See the comments in the configuration file for details.

Start the portal by running splashd as root:

root@florian:~# /usr/local/sbin/splashd &

NoCatSplash uses the same firewall scripts as NoCatAuth to do the actual firewall manipulation. It installs these scripts to /usr/local/libexec/nocat/ ...

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Publisher Resources

ISBN: 0596005598Catalog PageErrata