From cd98951001ca5f9bbd79a6e35bca3653b1b1e0d8 Mon Sep 17 00:00:00 2001
From: neilpang <github@byneil.com>
Date: Sun, 16 Apr 2017 09:36:59 +0800
Subject: [PATCH] fix
 https://github.com/Neilpang/acme.sh/issues/794#issuecomment-294314606

---
 dnsapi/dns_cf.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/dnsapi/dns_cf.sh b/dnsapi/dns_cf.sh
index 228caa8..57a2e88 100755
--- a/dnsapi/dns_cf.sh
+++ b/dnsapi/dns_cf.sh
@@ -85,6 +85,17 @@ dns_cf_add() {
 dns_cf_rm() {
   fulldomain=$1
   txtvalue=$2
+
+  CF_Key="${CF_Key:-$(_readaccountconf_mutable CF_Key)}"
+  CF_Email="${CF_Email:-$(_readaccountconf_mutable CF_Email)}"
+  if [ -z "$CF_Key" ] || [ -z "$CF_Email" ]; then
+    CF_Key=""
+    CF_Email=""
+    _err "You don't specify cloudflare api key and email yet."
+    _err "Please create you key and try again."
+    return 1
+  fi
+
   _debug "First detect the root zone"
   if ! _get_root "$fulldomain"; then
     _err "invalid domain"