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|
#!/usr/bin/expect
set timeout 20
set user [lindex $argv 0]
set password [lindex $argv 1]
set principal [lindex $argv 2]
set distribution [exec "lsb_release" "-is"]
if { $distribution == "Ubuntu" } {
set welcome "Welcome to"
} elseif { $distribution == "Debian" } {
set welcome "Debian GNU/Linux comes"
} else {
puts "Unsupported linux distribution $distribution"
exit 1
}
spawn ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $user@localhost
expect "assword: "
send "$password\r"
expect {
timeout
{
puts "Expect error: timeout after password\r\r"
exit 1
}
"Login incorrect"
{
puts "Expect error: incorrect credentials\r\r"
exit 1
}
"$welcome"
}
expect {
timeout
{
puts "Expect error: timeout waiting for prompt\r\r"
exit 1
}
"$ "
}
send "id -un\r"
expect {
timeout
{
puts "Expect error: timeout waiting for 'id' result\r\r"
exit 1
}
"$user"
}
expect {
timeout
{
puts "Expect error: timeout waiting for prompt\r\r"
exit 1
}
"$ "
}
if { $principal != "" } {
send "klist\r"
expect {
timeout
{
puts "Expect error: timeout waiting for klist output\r\r"
exit 1
}
"Default principal: $principal"
}
}
send "logout\r"
exit 0
|
