Developer Documentation

Note: this documentation is for maintainers, and is updated frequently; for official documentation please consult the upstream libnss-pool README.

Dependencies

• #include <nss.h>
• #include <pwd.h>
• #include <shadow.h>

Compiling

1. Fetch source code:

git clone https://github.com/CyberNinjas/libnss-pool

cd libnss-pool

2. Compile:

gcc -fPIC -Wall -shared -o libnss_pool.so.2 -Wl,-soname,libnss_pool.so.2 libnss_pool.c

Tools

• getent

Example:

    gentent passwd $(whoami)

• strace

Example:

    strace -ttt getent passwd $(whoami)

Resources

• Name Service Switch (The GNU C Library)

• libnss-ato

• libnss-extrausers

• OpenSSH/Cookbook/Host-based Authentication