Author: bz
Date: Sat Aug 20 16:43:47 2011
New Revision: 225043
URL: http://svn.freebsd.org/changeset/base/225043
Log:
Add an in6_localip() helper function as in6_localaddr() is not doing what
people think: returning true for an address in any connected subnet, not
necessarily on the local machine.
Sponsored by: Sandvine Incorporated
MFC after: 2 weeks
Approved by: re (kib)
Modified:
head/sys/netinet6/in6.c
head/sys/netinet6/in6.h
Modified: head/sys/netinet6/in6.c
==============================================================================
--- head/sys/netinet6/in6.c Sat Aug 20 16:34:31 2011 (r225042)
+++ head/sys/netinet6/in6.c Sat Aug 20 16:43:47 2011 (r225043)
@@ -2017,6 +2017,27 @@ in6_localaddr(struct in6_addr *in6)
return (0);
}
+/*
+ * Return 1 if an internet address is for the local host and configured
+ * on one of its interfaces.
+ */
+int
+in6_localip(struct in6_addr *in6)
+{
+ struct in6_ifaddr *ia;
+
+ IN6_IFADDR_RLOCK();
+ TAILQ_FOREACH(ia, &V_in6_ifaddrhead, ia_link) {
+ if (IN6_ARE_ADDR_EQUAL(in6, &ia->ia_addr.sin6_addr)) {
+ IN6_IFADDR_RUNLOCK();
+ return (1);
+ }
+ }
+ IN6_IFADDR_RUNLOCK();
+ return (0);
+}
+
+
int
in6_is_addr_deprecated(struct sockaddr_in6 *sa6)
{
Modified: head/sys/netinet6/in6.h
==============================================================================
--- head/sys/netinet6/in6.h Sat Aug 20 16:34:31 2011 (r225042)
+++ head/sys/netinet6/in6.h Sat Aug 20 16:43:47 2011 (r225043)
@@ -631,6 +631,7 @@ struct cmsghdr;
int in6_cksum __P((struct mbuf *, u_int8_t, u_int32_t, u_int32_t));
int in6_localaddr __P((struct in6_addr *));
+int in6_localip(struct in6_addr *);
int in6_addrscope __P((struct in6_addr *));
struct in6_ifaddr *in6_ifawithifp __P((struct ifnet *, struct in6_addr *));
extern void in6_if_up __P((struct ifnet *));
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