Scripting the SonicWall CLI with expect and SSH.

sonicwall.sh

#!/bin/bash

# SonicWall credentials
host="XXXX"
username="admin"
password="XXXX"

# SonicWall CLI configuration
user_pattern="User:"
password_pattern="Password:"
prompt="NSA 3500>"
exit_command="exit"
newline="\n"

# the command to run
command="$1"

# use expect to establish a SonicWall CLI
# session over SSH, and then execute the
# command.
/usr/bin/expect -c "
set timeout 1
spawn ssh $host

# log into SonicWall CLI interface
expect \"${user_pattern}\"
send \"${username}${newline}\"
expect \"${password_pattern}\"
send \"${password}${newline}\"

# execute the command
expect \"${prompt}\"
send \"${command}${newline}\"

# wait for the command to complete, and then
# exit the CLI interface and terminate the
# SSH session
expect \"${prompt}\"
send \"${exit_command}${newline}\"

# the ssh session must be interactive, or else
# the SonicWall will preempt the session.
interact
"