X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=utils.c;h=e01b633c09e0143ebf98dbdb62ef77deecacaf73;hp=aa4132be103b2a2191dbebcbcfb323cb85d4019d;hb=c007f08413edc15805c248a8d65f075bb5fb0bdd;hpb=8663e9de716248bf72832aee70090f574b3ff5d2

diff --git a/utils.c b/utils.c
index aa4132b..e01b633 100644
--- a/utils.c
+++ b/utils.c
@@ -17,6 +17,7 @@
 
 #include <arpa/inet.h>
 #include <netinet/in.h>
+#include <sys/socket.h>
 
 #ifdef __APPLE__
 #include <libproc.h>
@@ -118,6 +119,7 @@ int
 parse_ip_and_netmask(int af, const char *str, void *addr, unsigned int *netmask)
 {
 	char *astr = alloca(strlen(str) + 1);
+	int ret = 0;
 
 	strcpy(astr, str);
 	if (!split_netmask(astr, netmask, af == AF_INET6))
@@ -131,7 +133,23 @@ parse_ip_and_netmask(int af, const char *str, void *addr, unsigned int *netmask)
 			return 0;
 	}
 
-	return inet_pton(af, astr, addr);
+	ret = inet_pton(af, astr, addr);
+	if (ret > 0) {
+		if (af == AF_INET) {
+			struct in_addr *ip4_addr = (struct in_addr *)addr;
+			uint32_t host_addr = ntohl(ip4_addr->s_addr);
+
+			if (IN_EXPERIMENTAL(host_addr)) {
+				return 0;
+			}
+		}
+		else if (af == AF_INET6) {
+			if (IN6_IS_ADDR_MULTICAST((struct in6_addr *)addr)) {
+				return 0;
+			}
+		}
+	}
+	return ret;
 }
 
 char *