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67 lines
1.6 KiB
67 lines
1.6 KiB
Index: ntpd/ntp_io.c |
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--- ntpd/ntp_io.c.orig 2009-12-09 08:36:37 +0100 |
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+++ ntpd/ntp_io.c 2010-01-05 23:39:27 +0100 |
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@@ -64,6 +64,14 @@ |
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#define SETSOCKOPT_ARG_CAST |
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#endif |
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+#ifdef INCLUDE_IPV6_SUPPORT |
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+#include <netinet/in.h> |
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+#ifdef __FreeBSD__ |
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+#include <net/if_var.h> |
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+#include <netinet/in_var.h> |
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+#endif |
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+#endif /* !INCLUDE_IPV6_SUPPORT */ |
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+ |
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extern int listen_to_virtual_ips; |
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/* |
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@@ -1470,6 +1478,36 @@ |
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} |
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#endif /* OS_NEEDS_REUSEADDR_FOR_IFADDRBIND */ |
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+#ifdef INCLUDE_IPV6_SUPPORT |
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+static isc_boolean_t |
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+is_anycast(struct sockaddr *sa, char *name) |
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+{ |
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+#if defined(SIOCGIFAFLAG_IN6) && defined(IN6_IFF_ANYCAST) |
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+ struct in6_ifreq ifr6; |
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+ int fd; |
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+ u_int32_t flags6; |
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+ |
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+ if (sa->sa_family != AF_INET6) |
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+ return ISC_FALSE; |
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+ if ((fd = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) |
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+ return ISC_FALSE; |
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+ memset(&ifr6, 0, sizeof(ifr6)); |
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+ memcpy(&ifr6.ifr_addr, (struct sockaddr_in6 *)sa, |
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+ sizeof(struct sockaddr_in6)); |
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+ strlcpy(ifr6.ifr_name, name, IF_NAMESIZE); |
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+ if (ioctl(fd, SIOCGIFAFLAG_IN6, &ifr6) < 0) { |
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+ close(fd); |
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+ return ISC_FALSE; |
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+ } |
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+ close(fd); |
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+ flags6 = ifr6.ifr_ifru.ifru_flags6; |
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+ if ((flags6 & IN6_IFF_ANYCAST) != 0) |
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+ return ISC_TRUE; |
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+#endif /* !SIOCGIFAFLAG_IN6 || !IN6_IFF_ANYCAST */ |
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+ return ISC_FALSE; |
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+} |
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+#endif /* !INCLUDE_IPV6_SUPPORT */ |
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+ |
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/* |
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* update_interface strategy |
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* |
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@@ -1592,6 +1630,11 @@ |
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if (is_wildcard_addr(&interface.sin)) |
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continue; |
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+#ifdef INCLUDE_IPV6_SUPPORT |
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+ if (is_anycast((struct sockaddr *)&interface.sin, isc_if.name)) |
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+ continue; |
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+#endif /* !INCLUDE_IPV6_SUPPORT */ |
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+ |
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/* |
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* map to local *address* in order to map all duplicate |
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* interfaces to an interface structure with the
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