make challenge files world-readable

diff --git a/letsencrypt.sh b/letsencrypt.sh
index 51249f2ad652c46e968a2aaa1eb9bfc5185877fa..be6432074a71e20f294a4174c1ae6ad37b4006b0 100755 (executable)
--- a/letsencrypt.sh
+++ b/letsencrypt.sh
@@ -66,6 +66,7 @@ sign_domain() {
     keyauth="${challenge_token}.${thumbprint}"
 
     printf '%s' "${keyauth}" > "${WELLKNOWN}/${challenge_token}"
+    chmod a+r "${WELLKNOWN}/${challenge_token}"
 
     echo "  + Responding to challenge for ${altname}..."
     result="$(signed_request "${challenge_uri}" '{"resource": "challenge", "keyAuthorization": "'"${keyauth}"'"}')"