#!/usr/bin/expect -- # ssh using the parms provided by the caller. The benefit provided by this # program is that it will enter the password for you (i.e. non-interactively). # Description of arguments: # Arg0: The password. # Arg1: The ssh parm string. This is the totality of ssh parms you wish to # specify (e.g. userid, host, etc.). ############################################################################### # Main # Get arguments. set password [lindex $argv 0] set ssh_parms [lreplace $argv 0 0] eval spawn ssh ${ssh_parms} set timeout 30 set max_attempts 3 set attempts 0 while { 1 } { incr attempts 1 expect { -re "assword:" { send "$password\r" break } -re "Are you sure you want to continue connecting" { if { $attempts > $max_attempts } { puts stderr "**ERROR** Exceeded $max_attempts attempts to ssh." exit 1 } send "yes\r" } timeout { puts stderr "**ERROR** Timed out waiting for password prompt." exit 1 } eof { puts stderr "**ERROR** End of data waiting for password prompt." exit 1 } } } set timeout 3 expect { "Permission denied, please try again." { puts "" puts "**ERROR** Incorrect userid or password provided to this program." exit 1 } } set timeout -1 # We don't ever expect to see this string. This will keep this program # running indefinitely. expect { "When in the course of human events, it becomes :" {send "whatever\r"} } exit 0 ###############################################################################