commit 30103ec4534d534205e46d914c88dd17c26f7c88 (refs/remotes/origin/v4.0)
Author: Amos Jeffries <yadij@users.noreply.github.com>
Date:   2018-01-19 14:56:49 +1300

    Fix indirect IP logging for transactions without a client connection (#129)

diff --git a/src/client_side_request.cc b/src/client_side_request.cc
index 5cccffe..4b5ac98 100644
--- a/src/client_side_request.cc
+++ b/src/client_side_request.cc
@@ -499,9 +499,9 @@ clientFollowXForwardedForCheck(allow_t answer, void *data)
         * Ensure that the access log shows the indirect client
         * instead of the direct client.
         */
-        ConnStateData *conn = http->getConn();
-        conn->log_addr = request->indirect_client_addr;
-        http->al->cache.caddr = conn->log_addr;
+        http->al->cache.caddr = request->indirect_client_addr;
+        if (ConnStateData *conn = http->getConn())
+            conn->log_addr = request->indirect_client_addr;
     }
     request->x_forwarded_for_iterator.clean();
     request->flags.done_follow_x_forwarded_for = true;