pam_filter

runs filter programs on terminal I/O

Run filter on I/O

$ auth required pam_filter.so run1 /path/to/filter

Multiple filters

$ session required pam_filter.so run1 /path/filter1 run2 /path/filter2

pam_filter.so [options] filter

pam_filter runs filter programs on terminal I/O. Transforms input/output.
The module filters user interaction. Experimental PAM feature.

run1 FILTER

Run filter program on stdio.

run2 FILTER

Run additional filter.

new_term

Allocate new terminal.

Experimental module. Filter must be executable. Security sensitive.

pam_filter provides I/O filtering capability for PAM sessions.