Category: Samba

1

What is preloading?

by Jakub Hrozek and Andreas Schneider The LD_PRELOAD trick! Preloading is a feature of the dynamic linker (ld). It is a available on most Unix system and allows to load a user specified, shared library before all other shared libraries which are linked to an executable. Library pre-loading is most commonly used when you need a custom version of a library function to be called....

0

New features in socket_wrapper 1.1.0

Maybe you already heard of the cwrap project. A set of tools to create a fully isolated network environment to test client/server components on a single host. socket_wrapper is a part of cwrap and I released version 1.1.0 today. In this release I worked together with Michael Adam and we implemented some nice new features like support for IP_PKTINFO for binding on UDP sockets, bindresvport()...

0

cwrap 1.0.0 – testing your full software stack …

on one single machine! FOSDEM/Brussels, February 2nd, I gave a talk about cwrap. I announced and released version 1.0.0 of cwrap, a set of tools to create a fully isolated network environment to test client/server components on a single host. It provides synthetic account information, hostname resolution and privilege separation support. The heart of cwrap consists of three libraries you can preload to any executable....

0

FOSDEM: My talk about cwrap

Next weekend, February 1st and 2nd, will be the FOSDEM conference in Brussels again. I will be there and give a talk in the Testing and Automation devroom. I hope you will be there and watch my presentation on Sunday, February 2nd, 11:30, Room: UD2.218A. See you there!

13

Writing and reading code

You’ve probably heard that a developer of an established software project writes an average of 100 lines of code (loc) a day. I can say that this applies to me. So if you write 100 loc per day, how many do you read? I would estimate that the amount of time you spend on reading and understanding code is significantly more than on writing code....

6

Understanding Winbind

I recently fixed a bug resolving Domain Local groups in Winbind. I was asked how to reproduce it with a more complex setup, so I had to dig through the Winbind code to understand everything in more detail. I have documented my findings here, in order to retain what I’ve learned and to help others understand how Winbind works. The Setup We have a forest...

0

libsmbconf

Three years ago Michael Adam created a nice library to easily read the Samba configuration or modify it if it is stored in the registry. Since we have a new build system it is much easier to create shared libraries, I’ve created a public smbconf library now. The library can be used to setup Samba or Winbind without touching any files. Ok, smb.conf needs one...