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Add an in6_localip() helper function as in6_localaddr() is not doing what

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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)
This commit is contained in:
Bjoern A. Zeeb 2011-08-20 16:43:47 +00:00
parent d840e1d248
commit 90bc35de38
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=225043
2 changed files with 22 additions and 0 deletions
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21
sys/netinet6/in6.c
View File

@ -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)
{

1
sys/netinet6/in6.h
View File

@ -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 *));