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+#!/usr/bin/env sh
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+
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+# Deploy certificates to Zyxel GS1900 series switches
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+#
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+# This script uses the https web administration interface in order
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+# to upload updated certificates to Zyxel GS1900 series switches.
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+# Only a few models have been tested but untested switches from the
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+# same model line may work as well. If you test and confirm a switch
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+# as working please submit a pull request updating this compatibility
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+# list!
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+#
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+# Known Issues:
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+# 1. This is a consumer grade switch and is a bit underpowered
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+# the longer the RSA key size the slower your switch web UI
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+# will be. RSA 2048 will work, RSA 4096 will work but you may
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+# experience performance problems.
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+# 2. You must use RSA certificates. The switch will reject EC-256
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+# and EC-384 certificates in firmware 2.80
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+# See: https://community.zyxel.com/en/discussion/21506/bug-cannot-import-ssl-cert-on-gs1900-8-and-gs1900-24e-firmware-v2-80/
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+#
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+# Current GS1900 Switch Compatibility:
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+# GS1900-8 - Working as of firmware V2.80
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+# GS1900-8HP - Untested
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+# GS1900-10HP - Untested
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+# GS1900-16 - Untested
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+# GS1900-24 - Untested
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+# GS1900-24E - Working as of firmware V2.80
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+# GS1900-24EP - Untested
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+# GS1900-24HP - Untested
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+# GS1900-48 - Untested
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+# GS1900-48HP - Untested
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+#
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+# Prerequisite Setup Steps:
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+# 1. Install at least firmware V2.80 on your switch
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+# 2. Enable HTTPS web management on your switch
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+#
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+# Usage:
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+# 1. Ensure the switch has firmware V2.80 or later.
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+# 2. Ensure the switch has HTTPS management enabled.
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+# 3. Set the appropriate environment variables for your environment.
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+#
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+# DEPLOY_ZYXEL_SWITCH - The switch hostname. (Default: _cdomain)
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+# DEPLOY_ZYXEL_SWITCH_USER - The webadmin user. (Default: admin)
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+# DEPLOY_ZYXEL_SWITCH_PASSWORD - The webadmin password for the switch.
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+# DEPLOY_ZYXEL_SWITCH_REBOOT - If "1" reboot after update. (Default: "0")
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+#
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+# 4. Run the deployment plugin:
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+# acme.sh --deploy --deploy-hook zyxel_gs1900 -d example.com
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+#
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+# returns 0 means success, otherwise error.
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+
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+#domain keyfile certfile cafile fullchain
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+zyxel_gs1900_deploy() {
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+ _zyxel_gs1900_minimum_firmware_version="v2.80"
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+
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+ _cdomain="$1"
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+ _ckey="$2"
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+ _ccert="$3"
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+ _cca="$4"
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+ _cfullchain="$5"
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+
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+ _debug _cdomain "$_cdomain"
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+ _debug2 _ckey "$_ckey"
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+ _debug _ccert "$_ccert"
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+ _debug _cca "$_cca"
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+ _debug _cfullchain "$_cfullchain"
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+
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+ _getdeployconf DEPLOY_ZYXEL_SWITCH
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+ _getdeployconf DEPLOY_ZYXEL_SWITCH_USER
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+ _getdeployconf DEPLOY_ZYXEL_SWITCH_PASSWORD
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+ _getdeployconf DEPLOY_ZYXEL_SWITCH_REBOOT
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+
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+ if [ -z "$DEPLOY_ZYXEL_SWITCH" ]; then
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+ DEPLOY_ZYXEL_SWITCH="$_cdomain"
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+ fi
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+
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+ if [ -z "$DEPLOY_ZYXEL_SWITCH_USER" ]; then
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+ DEPLOY_ZYXEL_SWITCH_USER="admin"
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+ fi
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+
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+ if [ -z "$DEPLOY_ZYXEL_SWITCH_PASSWORD" ]; then
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+ DEPLOY_ZYXEL_SWITCH_PASSWORD="1234"
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+ fi
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+
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+ if [ -z "$DEPLOY_ZYXEL_SWITCH_REBOOT" ]; then
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+ DEPLOY_ZYXEL_SWITCH_REBOOT="0"
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+ fi
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+
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+ _savedeployconf DEPLOY_ZYXEL_SWITCH "$DEPLOY_ZYXEL_SWITCH"
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+ _savedeployconf DEPLOY_ZYXEL_SWITCH_USER "$DEPLOY_ZYXEL_SWITCH_USER"
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+ _savedeployconf DEPLOY_ZYXEL_SWITCH_PASSWORD "$DEPLOY_ZYXEL_SWITCH_PASSWORD"
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+ _savedeployconf DEPLOY_ZYXEL_SWITCH_REBOOT "$DEPLOY_ZYXEL_SWITCH_REBOOT"
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+
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+ _debug DEPLOY_ZYXEL_SWITCH "$DEPLOY_ZYXEL_SWITCH"
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+ _debug DEPLOY_ZYXEL_SWITCH_USER "$DEPLOY_ZYXEL_SWITCH_USER"
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+ _secure_debug DEPLOY_ZYXEL_SWITCH_PASSWORD "$DEPLOY_ZYXEL_SWITCH_PASSWORD"
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+ _debug DEPLOY_ZYXEL_SWITCH_REBOOT "$DEPLOY_ZYXEL_SWITCH_REBOOT"
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+
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+ _zyxel_switch_base_uri="https://${DEPLOY_ZYXEL_SWITCH}"
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+
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+ _info "Beginning to deploy to a Zyxel GS1900 series switch at ${_zyxel_switch_base_uri}."
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+ _zyxel_gs1900_deployment_precheck || return $?
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+
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+ _zyxel_gs1900_should_update
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+ if [ "$?" != "0" ]; then
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+ _info "The switch already has our certificate installed. No update required."
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+ return 0
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+ else
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+ _info "The switch does not yet have our certificate installed."
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+ fi
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+
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+ _info "Logging into the switch web interface."
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+ _zyxel_gs1900_login || return $?
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+
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+ _info "Validating the switch is compatible with this deployment process."
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+ _zyxel_gs1900_validate_device_compatibility || return $?
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+
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+ _info "Uploading the certificate."
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+ _zyxel_gs1900_upload_certificate || return $?
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+
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+ if [ "$DEPLOY_ZYXEL_SWITCH_REBOOT" = "1" ]; then
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+ _info "Rebooting the switch."
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+ _zyxel_gs1900_trigger_reboot || return $?
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+ fi
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+
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+ return 0
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+}
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+
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+_zyxel_gs1900_deployment_precheck() {
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+ # Initialize the keylength if it isn't already
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+ if [ -z "$Le_Keylength" ]; then
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+ Le_Keylength=""
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+ fi
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+
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+ if _isEccKey "$Le_Keylength"; then
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+ _info "Warning: Zyxel GS1900 switches are not currently known to work with ECC keys!"
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+ _info "You can continue, but your switch may reject your key."
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+ elif [ -n "$Le_Keylength" ] && [ "$Le_Keylength" -gt "2048" ]; then
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+ _info "Warning: Your RSA key length is greater than 2048!"
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+ _info "You can continue, but you may experience performance issues in the web administration interface."
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+ fi
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+
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+ # Check the server for some common failure modes prior to authentication and certificate upload in order to avoid
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+ # sending a certificate when we may not want to.
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+ test_login_response=$(_post "username=test&password=test&login=true;" "${_zyxel_switch_base_uri}/cgi-bin/dispatcher.cgi?cmd=0.html" '' "POST" "application/x-www-form-urlencoded" 2>&1)
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+ test_login_page_exitcode="$?"
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+ _debug3 "Test Login Response: ${test_login_response}"
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+ if [ "$test_login_page_exitcode" -ne "0" ]; then
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+ if { [ "${ACME_USE_WGET:-0}" = "0" ] && [ "$test_login_page_exitcode" = "60" ]; } || { [ "${ACME_USE_WGET:-0}" = "1" ] && [ "$test_login_page_exitcode" = "5" ]; }; then
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+ _err "The SSL certificate at $_zyxel_switch_base_uri could not be validated."
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+ _err "Please double check your hostname, port, and that you are actually connecting to your switch."
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+ _err "If the problem persists then please ensure that the certificate is not self-signed, has not"
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+ _err "expired, and matches the switch hostname. If you expect validation to fail then you can disable"
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+ _err "certificate validation by running with --insecure."
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+ return 1
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+ elif [ "${ACME_USE_WGET:-0}" = "0" ] && [ "$test_login_page_exitcode" = "56" ]; then
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+ _debug3 "Intentionally ignore curl exit code 56 in our precheck"
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+ else
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+ _err "Failed to submit the initial login attempt to $_zyxel_switch_base_uri."
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+ return 1
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+ fi
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+ fi
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+}
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+
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+_zyxel_gs1900_login() {
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+ # Login to the switch and set the appropriate auth cookie in _H1
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+ username_encoded=$(printf "%s" "$DEPLOY_ZYXEL_SWITCH_USER" | _url_encode)
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+ password_encoded=$(_zyxel_gs1900_password_obfuscate "$DEPLOY_ZYXEL_SWITCH_PASSWORD" | _url_encode)
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+
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+ login_response=$(_post "username=${username_encoded}&password=${password_encoded}&login=true;" "${_zyxel_switch_base_uri}/cgi-bin/dispatcher.cgi?cmd=0.html" '' "POST" "application/x-www-form-urlencoded" | tr -d '\n')
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+ auth_response=$(_post "authId=${login_response}&login_chk=true" "${_zyxel_switch_base_uri}/cgi-bin/dispatcher.cgi?cmd=0.html" '' "POST" "application/x-www-form-urlencoded" | tr -d '\n')
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+ if [ "$auth_response" != "OK" ]; then
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+ _err "Login failed due to invalid credentials."
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+ _err "Please double check the configured username and password and try again."
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+ return 1
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+ fi
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+
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+ sessionid=$(grep -i '^set-cookie:' "$HTTP_HEADER" | _egrep_o 'HTTPS_XSSID=[^;]*;' | tr -d ';')
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+ _secure_debug2 "sessionid" "$sessionid"
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+
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+ export _H1="Cookie: $sessionid"
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+ _secure_debug2 "_H1" "$_H1"
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+
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+ return 0
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+}
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+
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+_zyxel_gs1900_validate_device_compatibility() {
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+ # Check the switches model and firmware version and throw errors
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+ # if this script isn't compatible.
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+ device_info_html=$(_get "${_zyxel_switch_base_uri}/cgi-bin/dispatcher.cgi?cmd=12" | tr -d '\n')
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+
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+ model_name=$(_zyxel_gs1900_get_model "$device_info_html")
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+ _debug2 "model_name" "$model_name"
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+ if [ -z "$model_name" ]; then
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+ _err "Could not find the switch model name."
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+ _err "Please re-run with --debug and report a bug."
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+ return $?
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+ fi
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+
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+ if ! expr "$model_name" : "GS1900-" >/dev/null; then
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+ _err "Switch is an unsupported model: $model_name"
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+ return 1
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+ fi
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+
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+ firmware_version=$(_zyxel_gs1900_get_firmware_version "$device_info_html")
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+ _debug2 "firmware_version" "$firmware_version"
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+ if [ -z "$firmware_version" ]; then
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+ _err "Could not find the switch firmware version."
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+ _err "Please re-run with --debug and report a bug."
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+ return $?
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+ fi
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+
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+ _debug2 "_zyxel_gs1900_minimum_firmware_version" "$_zyxel_gs1900_minimum_firmware_version"
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+ minimum_major_version=$(_zyxel_gs1900_parse_major_version "$_zyxel_gs1900_minimum_firmware_version")
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+ _debug2 "minimum_major_version" "$minimum_major_version"
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+ minimum_minor_version=$(_zyxel_gs1900_parse_minor_version "$_zyxel_gs1900_minimum_firmware_version")
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+ _debug2 "minimum_minor_version" "$minimum_minor_version"
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+
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+ _debug2 "firmware_version" "$firmware_version"
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+ firmware_major_version=$(_zyxel_gs1900_parse_major_version "$firmware_version")
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+ _debug2 "firmware_major_version" "$firmware_major_version"
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+ firmware_minor_version=$(_zyxel_gs1900_parse_minor_version "$firmware_version")
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+ _debug2 "firmware_minor_version" "$firmware_minor_version"
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+
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+ _ret=0
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+ if [ "$firmware_major_version" -lt "$minimum_major_version" ]; then
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+ _ret=1
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+ elif [ "$firmware_major_version" -eq "$minimum_major_version" ] && [ "$firmware_minor_version" -lt "$minimum_minor_version" ]; then
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+ _ret=1
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+ fi
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+
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+ if [ "$_ret" != "0" ]; then
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+ _err "Unsupported firmware version $firmware_version. Please upgrade to at least version $_zyxel_gs1900_minimum_firmware_version."
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+ fi
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+
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+ return $?
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+}
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+
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+_zyxel_gs1900_should_update() {
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+ # Get the remote certificate serial number
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+ _remote_cert=$(${ACME_OPENSSL_BIN:-openssl} s_client -showcerts -connect "${DEPLOY_ZYXEL_SWITCH}:443" 2>/dev/null </dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p')
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+ _debug3 "_remote_cert" "$_remote_cert"
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+
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+ _remote_cert_serial=$(printf "%s" "${_remote_cert}" | ${ACME_OPENSSL_BIN:-openssl} x509 -noout -serial)
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+ _debug2 "_remote_cert_serial" "$_remote_cert_serial"
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+
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+ # Get our certificate serial number
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+ _our_cert_serial=$(${ACME_OPENSSL_BIN:-openssl} x509 -noout -serial <"${_ccert}")
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+ _debug2 "_our_cert_serial" "$_our_cert_serial"
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+
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+ [ "${_remote_cert_serial}" != "${_our_cert_serial}" ]
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+}
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+
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+_zyxel_gs1900_upload_certificate() {
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+ # Generate a PKCS12 certificate with a temporary password since the web interface
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+ # requires a password be present. Then upload that certificate.
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+ temp_cert_password=$(head /dev/urandom | tr -dc 'A-Za-z0-9' | head -c 64)
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+ _secure_debug2 "temp_cert_password" "$temp_cert_password"
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+
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+ temp_pkcs12="$(_mktemp)"
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+ _debug2 "temp_pkcs12" "$temp_pkcs12"
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+ _toPkcs "$temp_pkcs12" "$_ckey" "$_ccert" "$_cca" "$temp_cert_password"
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+ if [ "$?" != "0" ]; then
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+ _err "Failed to generate a pkcs12 certificate."
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+ _err "Please re-run with --debug and report a bug."
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+
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+ # ensure the temporary certificate file is cleaned up
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+ [ -f "${temp_pkcs12}" ] && rm -f "${temp_pkcs12}"
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+
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+ return $?
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+ fi
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+
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+ # Load the upload page
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+ upload_page_html=$(_get "${_zyxel_switch_base_uri}/cgi-bin/dispatcher.cgi?cmd=5914" | tr -d '\n')
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+
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+ # Get the first instance of XSSID from the upload page
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+ form_xss_value=$(printf "%s" "$upload_page_html" | _egrep_o 'name="XSSID"\s*value="[^"]+"' | sed 's/^.*="\([^"]\{1,\}\)"$/\1/g' | head -n 1)
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+ _secure_debug2 "form_xss_value" "$form_xss_value"
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+
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+ _info "Generating the certificate upload request"
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+ upload_post_request="$(_mktemp)"
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+ upload_post_boundary="---------------------------$(date +%Y%m%d%H%M%S)"
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+
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+ {
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+ printf -- "--%s\r\n" "${upload_post_boundary}"
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+ printf "Content-Disposition: form-data; name=\"XSSID\"\r\n\r\n%s\r\n" "${form_xss_value}"
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+ printf -- "--%s\r\n" "${upload_post_boundary}"
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+ printf "Content-Disposition: form-data; name=\"http_file\"; filename=\"temp_pkcs12.pfx\"\r\n"
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+ printf "Content-Type: application/pkcs12\r\n\r\n"
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+ cat "${temp_pkcs12}"
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+ printf "\r\n"
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+ printf -- "--%s\r\n" "${upload_post_boundary}"
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+ printf "Content-Disposition: form-data; name=\"pwd\"\r\n\r\n%s\r\n" "${temp_cert_password}"
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+ printf -- "--%s\r\n" "${upload_post_boundary}"
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+ printf "Content-Disposition: form-data; name=\"cmd\"\r\n\r\n%s\r\n" "31"
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+ printf -- "--%s\r\n" "${upload_post_boundary}"
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+ printf "Content-Disposition: form-data; name=\"sysSubmit\"\r\n\r\n%s\r\n" "Import"
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+ printf -- "--%s--\r\n" "${upload_post_boundary}"
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+ } >"${upload_post_request}"
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+
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+ _info "Upload certificate to the switch"
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+
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+ # Unfortunately we cannot rely upon the switch response across switch models
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+ # to return a consistent body return - so we cannot inspect the result of this
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+ # upload to determine success.
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+ upload_response=$(_zyxel_upload_pkcs12 "${upload_post_request}" "${upload_post_boundary}" 2>&1)
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+ _debug3 "Upload response: ${upload_response}"
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+ rm "${upload_post_request}"
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+
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+ # Pause for a few seconds to give the switch a chance to process the certificate
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+ # For some reason I've found this to be necessary on my GS1900-24E
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+ _debug2 "Waiting 4 seconds for the switch to process the newly uploaded certificate."
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+ sleep "4"
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+
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+ # Check to see whether or not our update was successful
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+ _ret=0
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+ _zyxel_gs1900_should_update
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+ if [ "$?" != "0" ]; then
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+ _info "The certificate was updated successfully"
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+ else
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+ _ret=1
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+ _err "The certificate upload does not appear to have worked."
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+ _err "The remote certificate does not match the certificate we tried to upload."
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+ _err "Please re-run with --debug 2 and review for unexpected errors. If none can be found please submit a bug."
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+ fi
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+
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+ # ensure the temporary files are cleaned up
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+ [ -f "${temp_pkcs12}" ] && rm -f "${temp_pkcs12}"
|
|
|
+
|
|
|
+ return $_ret
|
|
|
+}
|
|
|
+
|
|
|
+# make the certificate upload request using either
|
|
|
+# --data binary with @ for file access in CURL
|
|
|
+# or using --post-file for wget to ensure we upload
|
|
|
+# the pkcs12 without getting tripped up on null bytes
|
|
|
+#
|
|
|
+# Usage _zyxel_upload_pkcs12 [body file name] [post boundary marker]
|
|
|
+_zyxel_upload_pkcs12() {
|
|
|
+ bodyfilename="$1"
|
|
|
+ multipartformmarker="$2"
|
|
|
+ _post_url="${_zyxel_switch_base_uri}/cgi-bin/httpuploadcert.cgi"
|
|
|
+ httpmethod="POST"
|
|
|
+ _postContentType="multipart/form-data; boundary=${multipartformmarker}"
|
|
|
+
|
|
|
+ if [ -z "$httpmethod" ]; then
|
|
|
+ httpmethod="POST"
|
|
|
+ fi
|
|
|
+ _debug $httpmethod
|
|
|
+ _debug "_post_url" "$_post_url"
|
|
|
+ _debug2 "bodyfilename" "$bodyfilename"
|
|
|
+ _debug2 "_postContentType" "$_postContentType"
|
|
|
+
|
|
|
+ _inithttp
|
|
|
+
|
|
|
+ if [ "$_ACME_CURL" ] && [ "${ACME_USE_WGET:-0}" = "0" ]; then
|
|
|
+ _CURL="$_ACME_CURL"
|
|
|
+ if [ "$HTTPS_INSECURE" ]; then
|
|
|
+ _CURL="$_CURL --insecure "
|
|
|
+ fi
|
|
|
+ if [ "$httpmethod" = "HEAD" ]; then
|
|
|
+ _CURL="$_CURL -I "
|
|
|
+ fi
|
|
|
+ _debug "_CURL" "$_CURL"
|
|
|
+
|
|
|
+ response="$($_CURL --user-agent "$USER_AGENT" -X $httpmethod -H "$_H1" -H "$_H2" -H "$_H3" -H "$_H4" -H "$_H5" --data-binary "@${bodyfilename}" "$_post_url")"
|
|
|
+
|
|
|
+ _ret="$?"
|
|
|
+ if [ "$_ret" != "0" ]; then
|
|
|
+ _err "Please refer to https://curl.haxx.se/libcurl/c/libcurl-errors.html for error code: $_ret"
|
|
|
+ if [ "$DEBUG" ] && [ "$DEBUG" -ge "2" ]; then
|
|
|
+ _err "Here is the curl dump log:"
|
|
|
+ _err "$(cat "$_CURL_DUMP")"
|
|
|
+ fi
|
|
|
+ fi
|
|
|
+ elif [ "$_ACME_WGET" ]; then
|
|
|
+ _WGET="$_ACME_WGET"
|
|
|
+ if [ "$HTTPS_INSECURE" ]; then
|
|
|
+ _WGET="$_WGET --no-check-certificate "
|
|
|
+ fi
|
|
|
+ _debug "_WGET" "$_WGET"
|
|
|
+
|
|
|
+ response="$($_WGET -S -O - --user-agent="$USER_AGENT" --header "$_H5" --header "$_H4" --header "$_H3" --header "$_H2" --header "$_H1" --post-file="${bodyfilename}" "$_post_url" 2>"$HTTP_HEADER")"
|
|
|
+
|
|
|
+ _ret="$?"
|
|
|
+ if [ "$_ret" = "8" ]; then
|
|
|
+ _ret=0
|
|
|
+ _debug "wget returned 8 as the server returned a 'Bad Request' response. Let's process the response later."
|
|
|
+ fi
|
|
|
+ if [ "$_ret" != "0" ]; then
|
|
|
+ _err "Please refer to https://www.gnu.org/software/wget/manual/html_node/Exit-Status.html for error code: $_ret"
|
|
|
+ fi
|
|
|
+ if _contains "$_WGET" " -d "; then
|
|
|
+ # Demultiplex wget debug output
|
|
|
+ cat "$HTTP_HEADER" >&2
|
|
|
+ _sed_i '/^[^ ][^ ]/d; /^ *$/d' "$HTTP_HEADER"
|
|
|
+ fi
|
|
|
+ # remove leading whitespaces from header to match curl format
|
|
|
+ _sed_i 's/^ //g' "$HTTP_HEADER"
|
|
|
+ else
|
|
|
+ _ret="$?"
|
|
|
+ _err "Neither curl nor wget have been found, cannot make $httpmethod request."
|
|
|
+ fi
|
|
|
+ _debug "_ret" "$_ret"
|
|
|
+ printf "%s" "$response"
|
|
|
+ return $_ret
|
|
|
+}
|
|
|
+
|
|
|
+_zyxel_gs1900_trigger_reboot() {
|
|
|
+ # Trigger a reboot via the management reboot page in the web ui
|
|
|
+ reboot_page_html=$(_get "${_zyxel_switch_base_uri}/cgi-bin/dispatcher.cgi?cmd=5888" | tr -d '\n')
|
|
|
+ reboot_xss_value=$(printf "%s" "$reboot_page_html" | _egrep_o 'name="XSSID"\s*value="[^"]+"' | sed 's/^.*="\([^"]\{1,\}\)"$/\1/g')
|
|
|
+ _secure_debug2 "reboot_xss_value" "$reboot_xss_value"
|
|
|
+
|
|
|
+ reboot_response_html=$(_post "XSSID=${reboot_xss_value}&cmd=5889&sysSubmit=Reboot" "${_zyxel_switch_base_uri}/cgi-bin/dispatcher.cgi" '' "POST" "application/x-www-form-urlencoded")
|
|
|
+ reboot_message=$(printf "%s" "$reboot_response_html" | tr -d '\t\r\n\v\f' | _egrep_o "Rebooting now...")
|
|
|
+
|
|
|
+ if [ -z "$reboot_message" ]; then
|
|
|
+ _err "Failed to trigger switch reboot!"
|
|
|
+ return 1
|
|
|
+ fi
|
|
|
+
|
|
|
+ return 0
|
|
|
+}
|
|
|
+
|
|
|
+# password
|
|
|
+_zyxel_gs1900_password_obfuscate() {
|
|
|
+ # Return the password obfuscated via the same method used by the
|
|
|
+ # switch's web UI login process
|
|
|
+ echo "$1" | awk '{
|
|
|
+ encoded = "";
|
|
|
+ password = $1;
|
|
|
+ allowed = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
|
|
|
+ len = length($1);
|
|
|
+ pwi = length($1);
|
|
|
+
|
|
|
+ for (i=1; i <= (321 - pwi); i++)
|
|
|
+ {
|
|
|
+ if (0 == i % 5 && pwi > 0)
|
|
|
+ {
|
|
|
+ encoded = (encoded)(substr(password, pwi--, 1));
|
|
|
+ }
|
|
|
+ else if (i == 123)
|
|
|
+ {
|
|
|
+ if (len < 10)
|
|
|
+ {
|
|
|
+ encoded = (encoded)(0);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ encoded = (encoded)(int(len / 10));
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else if (i == 289)
|
|
|
+ {
|
|
|
+ encoded = (encoded)(len % 10)
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ encoded = (encoded)(substr(allowed, int(rand() * length(allowed)), 1))
|
|
|
+ }
|
|
|
+ }
|
|
|
+ printf("%s", encoded);
|
|
|
+ }'
|
|
|
+}
|
|
|
+
|
|
|
+# html label
|
|
|
+_zyxel_html_table_lookup() {
|
|
|
+ # Look up a value in the html representing the status page of the switch
|
|
|
+ # when provided with the html of the page and the label (i.e. "Model Name:")
|
|
|
+ html="$1"
|
|
|
+ label=$(printf "%s" "$2" | tr -d ' ')
|
|
|
+ lookup_result=$(printf "%s" "$html" | tr -d "\t\r\n\v\f" | sed 's/<tr>/\n<tr>/g' | sed 's/<td[^>]*>/<td>/g' | tr -d ' ' | grep -i "$label" | sed "s/<tr><td>$label<\/td><td>\([^<]\{1,\}\)<\/td><\/tr>/\1/i")
|
|
|
+ printf "%s" "$lookup_result"
|
|
|
+ return 0
|
|
|
+}
|
|
|
+
|
|
|
+# html
|
|
|
+_zyxel_gs1900_get_model() {
|
|
|
+ html="$1"
|
|
|
+ model_name=$(_zyxel_html_table_lookup "$html" "Model Name:")
|
|
|
+ printf "%s" "$model_name"
|
|
|
+}
|
|
|
+
|
|
|
+# html
|
|
|
+_zyxel_gs1900_get_firmware_version() {
|
|
|
+ html="$1"
|
|
|
+ firmware_version=$(_zyxel_html_table_lookup "$html" "Firmware Version:" | _egrep_o "V[^.]+.[^(]+")
|
|
|
+ printf "%s" "$firmware_version"
|
|
|
+}
|
|
|
+
|
|
|
+# version_number
|
|
|
+_zyxel_gs1900_parse_major_version() {
|
|
|
+ printf "%s" "$1" | sed 's/^V\([0-9]\{1,\}\).\{1,\}$/\1/gi'
|
|
|
+}
|
|
|
+
|
|
|
+# version_number
|
|
|
+_zyxel_gs1900_parse_minor_version() {
|
|
|
+ printf "%s" "$1" | sed 's/^.\{1,\}\.\([0-9]\{1,\}\)$/\1/gi'
|
|
|
+}
|
keryfan