diff options
Diffstat (limited to 'sys/netinet6/in6_src.c')
| -rw-r--r-- | sys/netinet6/in6_src.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/sys/netinet6/in6_src.c b/sys/netinet6/in6_src.c index c700969..d997335 100644 --- a/sys/netinet6/in6_src.c +++ b/sys/netinet6/in6_src.c @@ -249,19 +249,27 @@ in6_selectsrc(struct sockaddr_in6 *dstsock, struct ip6_pktopts *opts, (inp->inp_flags & IN6P_IPV6_V6ONLY) != 0))) != 0) return (error); - ia6 = (struct in6_ifaddr *)ifa_ifwithaddr( - (struct sockaddr *)&srcsock); - if (ia6 == NULL || - (ia6->ia6_flags & (IN6_IFF_ANYCAST | IN6_IFF_NOTREADY))) { - if (ia6 != NULL) - ifa_free(&ia6->ia_ifa); - return (EADDRNOTAVAIL); - } + /* + * If IPV6_BINDANY socket option is set, we allow to specify + * non local addresses as source address in IPV6_PKTINFO + * ancillary data. + */ + if ((inp->inp_flags & INP_BINDANY) == 0) { + ia6 = (struct in6_ifaddr *)ifa_ifwithaddr( + (struct sockaddr *)&srcsock); + if (ia6 == NULL || (ia6->ia6_flags & (IN6_IFF_ANYCAST | + IN6_IFF_NOTREADY))) { + if (ia6 != NULL) + ifa_free(&ia6->ia_ifa); + return (EADDRNOTAVAIL); + } + bcopy(&ia6->ia_addr.sin6_addr, srcp, sizeof(*srcp)); + ifa_free(&ia6->ia_ifa); + } else + bcopy(&srcsock.sin6_addr, srcp, sizeof(*srcp)); pi->ipi6_addr = srcsock.sin6_addr; /* XXX: this overrides pi */ if (ifpp) *ifpp = ifp; - bcopy(&ia6->ia_addr.sin6_addr, srcp, sizeof(*srcp)); - ifa_free(&ia6->ia_ifa); return (0); } |
