Handle "0" in domain names

3 years ago · 55a3a94065
1 changed files with 1 additions and 1 deletions
--- a/src/goodbyedpi.c
+++ b/src/goodbyedpi.c
@ -415,7 +415,7 @@ static int extract_sni(const char *pktdata, unsigned int pktlen,
                }
                /* Validate that hostname has only ascii lowercase characters */
                for (int i=0; i<hnlen; i++) {
-                    if (!( (hnaddr[i] >= '1' && hnaddr[i] <= '9') ||
+                    if (!( (hnaddr[i] >= '0' && hnaddr[i] <= '9') ||
                         (hnaddr[i] >= 'a' && hnaddr[i] <= 'z') ||
                         hnaddr[i] == '.' || hnaddr[i] == '-'))
                    {