From 6cc33820d166bc790c79f8e42aec8f53bcefd2ba Mon Sep 17 00:00:00 2001
From: Jonathan McCrohan <jmccrohan@gmail.com>
Date: Tue, 6 Jun 2017 01:11:29 +0100
Subject: [PATCH] tls: permit wildcard ALPN/SNI values

Use fnmatch(3) to provide support for glob style wildcard values in the
ALPN and SNI parameters of the TLS probe.

Signed-off-by: Jonathan McCrohan <jmccrohan@gmail.com>
---
 tls.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tls.c b/tls.c
index 8640dec..fc4ae38 100644
--- a/tls.c
+++ b/tls.c
@@ -30,6 +30,7 @@
  */
 #include <stdio.h>
 #include <stdlib.h> /* malloc() */
+#include <fnmatch.h> /* fnmatch() */
 #include "tls.h"
 
 #define TLS_HEADER_LEN 5
@@ -290,7 +291,7 @@ has_match(char** list, const char* name, size_t name_len) {
 
     for (item = list; *item; item++) {
         if (verbose) fprintf(stderr, "matching [%.*s] with [%s]\n", (int)name_len, name, *item);
-        if(!strncmp(*item, name, name_len)) {
+        if(!fnmatch(*item, name, 0)) {
             return 1;
         }
     }