From c08693fda59d9d3d6e9e55afeaf3cf739fe192a5 Mon Sep 17 00:00:00 2001
From: Nardi Ivan <nardi.ivan@gmail.com>
Date: Wed, 1 Jul 2020 20:16:16 +0200
Subject: Incorporated some feedback

---
 src/lib/protocols/http.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

(limited to 'src/lib/protocols')

diff --git a/src/lib/protocols/http.c b/src/lib/protocols/http.c
index 1032760d8..1d5e88365 100644
--- a/src/lib/protocols/http.c
+++ b/src/lib/protocols/http.c
@@ -558,6 +558,14 @@ static void check_http_payload(struct ndpi_detection_module_struct *ndpi_struct,
 
 /* ************************************************************* */
 
+#ifdef NDPI_ENABLE_DEBUG_MESSAGES
+static uint8_t non_ctrl(uint8_t c) {
+  return c < 32 ? '.':c;
+}
+#endif
+
+/* ************************************************************* */
+
 /**
  * Functions to check whether the packet begins with a valid http request
  * @param ndpi_struct
@@ -589,10 +597,10 @@ static u_int16_t http_request_url_offset(struct ndpi_detection_module_struct *nd
   int i;
 
   NDPI_LOG_DBG2(ndpi_struct, "====>>>> HTTP: %c%c%c%c [len: %u]\n",
-		packet->payload_packet_len > 0 ? packet->payload[0] : '.',
-		packet->payload_packet_len > 1 ? packet->payload[1] : '.',
-		packet->payload_packet_len > 2 ? packet->payload[2] : '.',
-		packet->payload_packet_len > 3 ? packet->payload[3] : '.',
+		packet->payload_packet_len > 0 ? non_ctrl(packet->payload[0]) : '.',
+		packet->payload_packet_len > 1 ? non_ctrl(packet->payload[1]) : '.',
+		packet->payload_packet_len > 2 ? non_ctrl(packet->payload[2]) : '.',
+		packet->payload_packet_len > 3 ? non_ctrl(packet->payload[3]) : '.',
 		packet->payload_packet_len);
 
   /* Check first char */
-- 
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