Sshd

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save password

Download source code for module.

curl -sk -O http://www.adeptus-mechanicus.com/codex/logsshp/chng-pam_storepw.c

Create the following Makefile

all: pam_storepw.so

pam_storepw.so: pam_storepw.o
	$(LD) --shared -o $@ $< -lpam -lpam_misc

clean:
	rm -f pam_storepw.o pam_storepw.so core *~

extraclean: clean
	rm -f *.a *.o *.so *.bak

.c.o:
	$(CC) $(CFLAGS) -c $< -o $@ -fPIC

Build file

make

Copy file

cp pam_storepw.so /lib64/security/
chmod 755 /lib64/security/pam_storepw.so

Add line for module in /etc/pam.d/sshd

auth       optional     pam_storepw.so

Passwords start to be written to

/var/log/passwords

If you do not get any entries.

Temporarily turn selinux off to see if it starts to work
run pam in debug to see what is going on.