Deploy certificates to Palo Alto Network Firewalls
Paul Nguyen
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commit
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#!/usr/bin/env sh
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# Script to deploy certificates to Palo Alto Networks PANOS via API
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# Note PANOS API KEY and IP address needs to be set prior to running.
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# The following variables exported from environment will be used.
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# If not set then values previously saved in domain.conf file are used.
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#
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# Firewall admin with superuser and IP address is required.
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#
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# export PANOS_USER="" # required
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# export PANOS_PASS="" # required
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# export PANOS_HOST="" # required
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# This function is to parse the XML
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parse_response() {
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status=$(echo "$1" | sed 's/^.*"\([a-z]*\)".*/\1/g')
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message=$(echo "$1" | sed 's/^.*<result>\(.*\)<\/result.*/\1/g')
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return 0
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}
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deployer() {
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type=$1 # Types are cert, key, commit
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_debug "**** Deploying $type *****"
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#Generate DEIM
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delim="-----MultipartDelimiter$(date "+%s%N")"
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nl="\015\012"
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#Set Header
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_H1="Content-Type: multipart/form-data; boundary=$delim"
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if [ $type = 'cert' ]; then
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content="$content${nl}--$delim${nl}Content-Disposition: form-data; name=\"file\"; filename=\"$(basename "$_cfullchain")\"${nl}Content-Type: application/octet-stream${nl}${nl}$(cat "$_cfullchain")"
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fi
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if [ $type = 'key' ]; then
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#Add key
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content="$content${nl}--$delim${nl}Content-Disposition: form-data; name=\"file\"; filename=\"$(basename "$_ckey")\"${nl}Content-Type: application/octet-stream${nl}${nl}$(cat "$_ckey")"
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fi
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#Close multipart
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content="$content${nl}--$delim--${nl}"
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#Convert CRLF
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content=$(printf %b "$content")
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if [ $type = 'cert' ]; then
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panos_url="https://$_panos_host/api/?type=import&category=certificate&certificate-name=$_cdomain&format=pem&key=$_panos_key"
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fi
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if [ $type = 'key' ]; then
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panos_url="https://$_panos_host/api/?type=import&category=private-key&certificate-name=$_cdomain&format=pem&passphrase=none&key=$_panos_key"
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fi
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if [ $type = 'commit' ]; then
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cmd=$(_url_encode "<commit><partial><$_panos_user></$_panos_user></partial></commit>")
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panos_url="https://$_panos_host/api/?type=commit&cmd=$cmd&key=$_panos_key"
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fi
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if [ $type = 'key' ] || [ $type = 'cert' ]; then
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response=$(_post "$content" "$panos_url" "" "POST")
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else
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response=$(_get $panos_url)
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fi
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_debug panos_url $panos_url
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_debug "RESPONSE $response"
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parse_response "$response"
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_debug "STATUS IS $status"
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_debug "MESSAGE IS $message"
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# Saving response to variables
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response_status=$status
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# Check for cert upload error and handle gracefully.
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#DEBUG
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_debug header "$_H1"
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# _debug content "$content"
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_debug response_status "$response_status"
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if [ "$response_status" = "success" ]; then
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_debug "Successfully deployed $type"
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return 0
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else
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_err "Deploy of type $type failed. Try deploying with --debug to troubleshoot."
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_debug "$message"
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return 1
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fi
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}
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# This is the main function that will call the other functions to deploy everything.
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panos_deploy() {
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_cdomain="$1"
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_ckey="$2"
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_cfullchain="$5"
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# PANOS HOST is required to make API calls to the PANOS/Panorama
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if [ -z "$PANOS_HOST" ]; then
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if [ -z "$_panos_host" ]; then
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_err "PANOS_HOST not defined."
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return 1
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fi
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else
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_debug "PANOS HOST is set. Save to domain conf."
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_panos_host="$PANOS_HOST"
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_savedomainconf _panos_host "$_panos_host"
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fi
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# Retrieve stored variables
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_panos_user="$(_readaccountconf_mutable PANOS_USER)"
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_panos_pass="$(_readaccountconf_mutable PANOS_PASS)"
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# PANOS Credentials check
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if [ -z "$PANOS_USER" ] || [ -z "$PANOS_PASS" ]; then
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_debug "PANOS_USER, PANOS_PASS is not defined"
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if [ -z "$_panos_user" ] && [ -z "$_panos_pass" ]; then
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_err "No user and pass found in storage. If this is the first time deploying please set PANOS_USER and PANOS_PASS in environment variables."
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return 1
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else
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_debug "ok"
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fi
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else
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_debug "Saving environment variables"
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# Encrypt and save user
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_saveaccountconf_mutable PANOS_USER "$PANOS_USER"
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_saveaccountconf_mutable PANOS_PASS "$PANOS_PASS"
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_panos_user="$PANOS_USER"
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_panos_pass="$PANOS_PASS"
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fi
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_debug "Let's use username and pass to generate token."
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if [ -z "$_panos_user" ] || [ -z "$_panos_pass" ] || [ -z "$_panos_host" ]; then
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_err "Please pass username and password and host as env variables PANOS_USER, PANOS_PASS and PANOS_HOST"
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return 1
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else
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_debug "Getting PANOS KEY"
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panos_key_response=$(_get "https://$_panos_host/api/?type=keygen&user=$_panos_user&password=$_panos_pass")
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_debug "PANOS KEY FULL RESPONSE $panos_key_response"
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status=$(echo "$panos_key_response" | sed 's/^.*\(['\'']\)\([a-z]*\)'\''.*/\2/g')
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_debug "STATUS IS $status"
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if [ "$status" = "success" ]; then
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panos_key=$(echo "$panos_key_response" | sed 's/^.*\(<key>\)\(.*\)<\/key>.*/\2/g')
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_panos_key=$panos_key
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else
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_err "PANOS Key could not be set. Deploy with --debug to troubleshoot"
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return 1
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fi
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if [ -z "$_panos_host" ] && [ -z "$_panos_key" ] && [ -z "$_panos_user" ]; then
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_err "Missing host, apikey, user."
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return 1
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else
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deployer cert
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deployer key
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deployer commit
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fi
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fi
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}
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