fopen_override

LD_PRELOAD-based fopen/open filename overrider

Example:

LD_PRELOAD=libfopen_override.so FOPEN_OVERRIDE=/etc/ppp/chap-secrets=/root/encfs/chap-secrets pppd ...

Non-working example:

LD_PRELOAD=libfopen_override.so FOPEN_OVERRIDE=/etc/resolv.conf=/tmp/tmpresolv.conf ping google.com

Tricky example:

LD_PRELOAD=libfopen_override.so FOPEN_OVERRIDE='debug,noabs,qqq1=www1,../filename\,with\,comma=../filename\=with\=eqsign' program [args...]

Pure FTP server

An LD_PRELOAD library that disables all forms of extended attribute access

Lock all pages in memory for a process tree

httpd in esp8266

bypass disable_functions via LD_PRELOA (no need /usr/sbin/sendmail)

Read multiple fds and print data to stdout linewise.

An extension to bash's builtin, providing more functionalities and potentially better performance.

Restricts the file access using LD_PRELOAD