From 61549b4a745f45ec44335d9d2074b043acf8a559 Mon Sep 17 00:00:00 2001
From: Mark Challoner <mark.a.r.challoner@gmail.com>
Date: Wed, 6 Jan 2021 20:20:21 +0000
Subject: [PATCH] Add Peplink deploy hook

---
 deploy/peplink.sh | 123 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 deploy/peplink.sh

diff --git a/deploy/peplink.sh b/deploy/peplink.sh
new file mode 100644
index 00000000..c4bd6242
--- /dev/null
+++ b/deploy/peplink.sh
@@ -0,0 +1,123 @@
+#!/usr/bin/env sh
+
+# Script to deploy cert to Peplink Routers
+#
+# The following environment variables must be set:
+#
+# PEPLINK_Hostname - Peplink hostname
+# PEPLINK_Username - Peplink username to login
+# PEPLINK_Password - Peplink password to login
+#
+# The following environmental variables may be set if you don't like their
+# default values:
+#
+# PEPLINK_Certtype - Certificate type to target for replacement
+#                    defaults to "webadmin", can be one of:
+#                      * "chub" (ContentHub)
+#                      * "openvpn" (OpenVPN CA)
+#                      * "portal" (Captive Portal SSL)
+#                      * "webadmin" (Web Admin SSL)
+#                      * "webproxy" (Proxy Root CA)
+#                      * "wwan_ca" (Wi-Fi WAN CA)
+#                      * "wwan_client" (Wi-Fi WAN Client)
+# PEPLINK_Scheme   - defaults to "https"
+# PEPLINK_Port     - defaults to "443"
+#
+#returns 0 means success, otherwise error.
+
+########  Public functions #####################
+
+_peplink_get_cookie_data() {
+  grep -i "\W$1=" | grep -i "^Set-Cookie:" | _tail_n 1 | _egrep_o "$1=[^;]*;" | tr -d ';'
+}
+
+#domain keyfile certfile cafile fullchain
+peplink_deploy() {
+
+  _cdomain="$1"
+  _ckey="$2"
+  _cfullchain="$5"
+
+  _debug _cdomain "$_cdomain"
+  _debug _cfullchain "$_cfullchain"
+  _debug _ckey "$_ckey"
+
+  # Get Hostname, Username and Password, but don't save until we successfully authenticate
+  _getdeployconf PEPLINK_Hostname
+  _getdeployconf PEPLINK_Username
+  _getdeployconf PEPLINK_Password
+  if [ -z "${PEPLINK_Hostname:-}" ] || [ -z "${PEPLINK_Username:-}" ] || [ -z "${PEPLINK_Password:-}" ]; then
+    _err "PEPLINK_Hostname & PEPLINK_Username & PEPLINK_Password must be set"
+    return 1
+  fi
+  _debug2 PEPLINK_Hostname "$PEPLINK_Hostname"
+  _debug2 PEPLINK_Username "$PEPLINK_Username"
+  _secure_debug2 PEPLINK_Password "$PEPLINK_Password"
+
+  # Optional certificate type, scheme, and port for Peplink
+  _getdeployconf PEPLINK_Certtype
+  _getdeployconf PEPLINK_Scheme
+  _getdeployconf PEPLINK_Port
+
+  # Don't save the certificate type until we verify it exists and is supported
+  _savedeployconf PEPLINK_Scheme "$PEPLINK_Scheme"
+  _savedeployconf PEPLINK_Port "$PEPLINK_Port"
+
+  # Default vaules for certificate type, scheme, and port
+  [ -n "${PEPLINK_Certtype}" ] || PEPLINK_Certtype="webadmin"
+  [ -n "${PEPLINK_Scheme}" ] || PEPLINK_Scheme="https"
+  [ -n "${PEPLINK_Port}" ] || PEPLINK_Port="443"
+
+  _debug2 PEPLINK_Certtype "$PEPLINK_Certtype"
+  _debug2 PEPLINK_Scheme "$PEPLINK_Scheme"
+  _debug2 PEPLINK_Port "$PEPLINK_Port"
+
+  _base_url="$PEPLINK_Scheme://$PEPLINK_Hostname:$PEPLINK_Port"
+  _debug _base_url "$_base_url"
+
+  # Login, get the auth token from the cookie
+  _info "Logging into $PEPLINK_Hostname:$PEPLINK_Port"
+  encoded_username="$(printf "%s" "$PEPLINK_Username" | _url_encode)"
+  encoded_password="$(printf "%s" "$PEPLINK_Password" | _url_encode)"
+  response=$(_post "func=login&username=$encoded_username&password=$encoded_password" "$_base_url/cgi-bin/MANGA/api.cgi")
+  auth_token=$(_peplink_get_cookie_data "bauth" <"$HTTP_HEADER")
+  _debug3 response "$response"
+  _debug auth_token "$auth_token"
+
+  if [ -z "$auth_token" ]; then
+    _err "Unable to authenticate to $PEPLINK_Hostname:$PEPLINK_Port using $PEPLINK_Scheme."
+    _err "Check your username and password."
+    return 1
+  fi
+
+  _H1="Cookie: $auth_token"
+  export _H1
+  _debug2 H1 "${_H1}"
+
+  # Now that we know the hostnameusername and password are good, save them
+  _savedeployconf PEPLINK_Hostname "$PEPLINK_Hostname"
+  _savedeployconf PEPLINK_Username "$PEPLINK_Username"
+  _savedeployconf PEPLINK_Password "$PEPLINK_Password"
+
+  _info "Generate form POST request"
+
+  encoded_key="$(_url_encode <"$_ckey")"
+  encoded_fullchain="$(_url_encode <"$_cfullchain")"
+  body="cert_type=$PEPLINK_Certtype&cert_uid=&section=CERT_modify&key_pem=$encoded_key&key_pem_passphrase=&key_pem_passphrase_confirm=&cert_pem=$encoded_fullchain"
+  _debug3 body "$body"
+
+  _info "Upload $PEPLINK_Certtype certificate to the Peplink"
+
+  response=$(_post "$body" "$_base_url/cgi-bin/MANGA/admin.cgi")
+  _debug3 response "$response"
+
+  if echo "$response" | grep 'Success' >/dev/null; then
+    # We've verified this certificate type is valid, so save it
+    _savedeployconf PEPLINK_Certtype "$PEPLINK_Certtype"
+    _info "Certificate was updated"
+    return 0
+  else
+    _err "Unable to update certificate, error code $response"
+    return 1
+  fi
+}