#! /usr/bin/ksh

#  changepass --- change the user's password on a list of hosts
#  perderabo  9/23/03  Version 0.0
#
#  You will need to adjust HOSTLIST.  You may need to adjust DELAY
#  and all of section 2.
#


#
#  Section 0 --- Set stuff up

HOSTLIST="test1 test2"
DELAY=3
stty -echo
print -n Enter Old Password-
read OLDPASS
print 
print -n Enter New Password-
read NEWPASS
print
stty echo
USER=$(whoami)
exec 4>&1


#
#  Section 1 --- Prove that we can talk with the hosts in HOSTLIST
#     Part 1 --- telnet to each and touch a file

for HOST in $HOSTLIST ; do
	telnet $HOST >&4 2>&4 |&
	sleep $DELAY
	print -p $USER
	sleep $DELAY
	print -p $OLDPASS
	sleep $DELAY
	print -p touch changepassdatafile.$HOST
	sleep $DELAY
	print -p exit
	wait
done

#
#  Section 1 --- Prove that we can talk with the hosts in HOSTLIST
#     Part 2 --- Retrieve the files via ftp

ftp -nv >&4 2>&4 |&
for HOST in $HOSTLIST ; do
	print -p open $HOST
	print -p user $USER $OLDPASS
	print -p get changepassdatafile.${HOST}
	print -p close
done
print -p bye
wait

#
#  Section 1 --- Prove that we can talk with the hosts in HOSTLIST
#     Part 3 --- Inspect the retrieved files

errors=0
for HOST in $HOSTLIST ; do
	if [[ -f changepassdatafile.${HOST} ]] ; then
		echo $HOST was ok
		rm changepassdatafile.${HOST}
	else
		echo $HOST has a problem
		((errors=errors+1))
	fi
done
((errors)) && exit 1

#
#  Section 2 --- Change the passwords

for HOST in $HOSTLIST ; do
    telnet $HOST >&4 2>&4 |&
    sleep $DELAY
    print -p $USER
    sleep $DELAY
    print -p $OLDPASS
    sleep $DELAY
    print -p passwd
    sleep $DELAY
    print -p $OLDPASS
    sleep $DELAY
    print -p $NEWPASS
    sleep $DELAY
    print -p $NEWPASS
    sleep $DELAY
    print -p exit
    wait
done

#
#  Section 3 --- Verify that the passwords were changed
#     Part 1 --- Retrieve those files via ftp again

ftp -nv >&4 2>&4 |&
for HOST in $HOSTLIST ; do
    print -p open $HOST
    print -p user $USER $NEWPASS
    print -p get changepassdatafile.${HOST}
    print -p delete changepassdatafile.${HOST}
    print -p close
done
print -p bye
wait

#
#  Section 3 --- Verify that the passwords were changed
#     Part 2 --- Inspect the retrieved files

errors=0
for HOST in $HOSTLIST ; do
    if [[ -f changepassdatafile.${HOST} ]] ; then
        rm changepassdatafile.${HOST}
    else
        echo $HOST has a problem!
        ((errors=errors+1))
    fi
done
((errors)) && exit 1


exit 0