From b50763dcf67719fa26a5cd1bcfdde4e416363e74 Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Thu, 18 Aug 2016 14:47:58 +0200 Subject: net.http.parser: Add a limit on content length, default to 10M --- net/http/parser.lua | 2 ++ 1 file changed, 2 insertions(+) (limited to 'net') diff --git a/net/http/parser.lua b/net/http/parser.lua index af43e7a0..0f764d12 100644 --- a/net/http/parser.lua +++ b/net/http/parser.lua @@ -29,6 +29,7 @@ function httpstream.new(success_cb, error_cb, parser_type, options_cb) local client = true; if not parser_type or parser_type == "server" then client = false; else assert(parser_type == "client", "Invalid parser type"); end local buf, buflen, buftable = {}, 0, true; + local bodylimit = 10*1024*1024; local chunked, chunk_size, chunk_start; local state = nil; local packet; @@ -88,6 +89,7 @@ function httpstream.new(success_cb, error_cb, parser_type, options_cb) if not first_line then error = true; return error_cb("invalid-status-line"); end chunked = have_body and headers["transfer-encoding"] == "chunked"; len = tonumber(headers["content-length"]); -- TODO check for invalid len + if len and len > bodylimit then error = true; return error_cb("content-length-limit-exceeded"); end if client then -- FIXME handle '100 Continue' response (by skipping it) if not have_body then len = 0; end -- cgit v1.2.3