summaryrefslogtreecommitdiffstats
path: root/sys/netinet/in.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/netinet/in.c')
-rw-r--r--sys/netinet/in.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/sys/netinet/in.c b/sys/netinet/in.c
index 2d5e3cc..52fc446 100644
--- a/sys/netinet/in.c
+++ b/sys/netinet/in.c
@@ -242,19 +242,26 @@ in_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
return (EADDRNOTAVAIL);
/*
- * For SIOCGIFADDR, pick the first address. For the rest of
- * ioctls, try to find specified address.
+ * Find address for this interface, if it exists. If an
+ * address was specified, find that one instead of the
+ * first one on the interface, if possible.
*/
IF_ADDR_RLOCK(ifp);
TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
if (ifa->ifa_addr->sa_family != AF_INET)
continue;
ia = (struct in_ifaddr *)ifa;
- if (cmd == SIOCGIFADDR || addr->sin_addr.s_addr == INADDR_ANY)
- break;
if (ia->ia_addr.sin_addr.s_addr == addr->sin_addr.s_addr)
break;
}
+ if (ifa == NULL)
+ TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link)
+ if (ifa->ifa_addr->sa_family == AF_INET) {
+ ia = (struct in_ifaddr *)ifa;
+ if (prison_check_ip4(td->td_ucred,
+ &ia->ia_addr.sin_addr) == 0)
+ break;
+ }
if (ifa == NULL) {
IF_ADDR_RUNLOCK(ifp);
OpenPOWER on IntegriCloud