From: Marek Vavrusa <marek@vavrusa.com>
Date: Thu, 16 Jun 2016 17:11:54 +0000 (-0700)
Subject: lib/utils: fixed full subnet mask length calc
X-Git-Tag: v1.1.0~79
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=db544c62e243c4c49fdbf7b9b911b907c97e880b;p=thirdparty%2Fknot-resolver.git

lib/utils: fixed full subnet mask length calc

previously, if no subnet was given (127.0.0.0),
it was treated as 127.0.0.0/0. now it is treated
as full address length, e.g. 127.0.0.0/32
---

diff --git a/lib/utils.c b/lib/utils.c
index 00e5d65fe..782bd7163 100644
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -293,6 +293,9 @@ int kr_straddr_subnet(void *dst, const char *addr)
 		if (bit_len < 0 || bit_len > max_len) {
 			return kr_error(ERANGE);
 		}
+	} else {
+		/* No subnet, use maximal subnet length. */
+		bit_len = (family == AF_INET6) ? 128 : 32;
 	}
 	/* Parse address */
 	int ret = inet_pton(family, addr_str, dst);