From daba7e0abe4a5642543676e966298b08dee83eb9 Mon Sep 17 00:00:00 2001
From: Ingela Anderton Andin <ingela@erlang.org>
Date: Thu, 12 Apr 2018 14:24:08 +0200
Subject: inets: Gracefully handle bad headers

max_headers operated on the individual header length instead of
the total length of all headers. Also headers with empty keys are
now discarded.
---
 lib/inets/src/http_lib/http_request.erl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'lib/inets/src/http_lib')

diff --git a/lib/inets/src/http_lib/http_request.erl b/lib/inets/src/http_lib/http_request.erl
index f68b233e10..8ca1542164 100644
--- a/lib/inets/src/http_lib/http_request.erl
+++ b/lib/inets/src/http_lib/http_request.erl
@@ -27,10 +27,12 @@
 
 key_value(KeyValueStr) ->
     case lists:splitwith(fun($:) -> false; (_) -> true end, KeyValueStr) of
-	{Key, [$: | Value]} ->
+	{Key, [$: | Value]} when Key =/= [] ->
 	    {http_util:to_lower(string:strip(Key)),  string:strip(Value)};
 	{_, []} -> 
-	    undefined
+	    undefined;
+        _ ->
+            undefined 
     end.
 %%-------------------------------------------------------------------------
 %% headers(HeaderList, #http_request_h{}) -> #http_request_h{}
-- 
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