diff options
| author | ae <ae@FreeBSD.org> | 2014-11-10 16:12:51 +0000 |
|---|---|---|
| committer | ae <ae@FreeBSD.org> | 2014-11-10 16:12:51 +0000 |
| commit | 253f06cd2a21cdcc0562a1e6c43bcdd8aa4b8ffe (patch) | |
| tree | d4976f3b44c568f5658731011b8c985947809df8 /sys/netinet6/scope6.c | |
| parent | 89eb9b8cc2d7a499792547f54bc313545396a330 (diff) | |
| download | FreeBSD-src-253f06cd2a21cdcc0562a1e6c43bcdd8aa4b8ffe.zip FreeBSD-src-253f06cd2a21cdcc0562a1e6c43bcdd8aa4b8ffe.tar.gz | |
Add sa6_checkzone_ifp() function. It checks correctness of struct
sockaddr_in6, usually obtained from the user level through ioctl.
It initializes sin6_scope_id using given interface.
Sponsored by: Yandex LLC
Diffstat (limited to 'sys/netinet6/scope6.c')
| -rw-r--r-- | sys/netinet6/scope6.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sys/netinet6/scope6.c b/sys/netinet6/scope6.c index f199091..0e4d303 100644 --- a/sys/netinet6/scope6.c +++ b/sys/netinet6/scope6.c @@ -532,4 +532,25 @@ sa6_checkzone(struct sockaddr_in6 *sa6) return (sa6->sin6_scope_id ? 0: EADDRNOTAVAIL); } +/* + * This function is similar to sa6_checkzone, but it uses given ifp + * to initialize sin6_scope_id. + */ +int +sa6_checkzone_ifp(struct ifnet *ifp, struct sockaddr_in6 *sa6) +{ + int scope; + + scope = in6_addrscope(&sa6->sin6_addr); + if (scope == IPV6_ADDR_SCOPE_LINKLOCAL || + scope == IPV6_ADDR_SCOPE_INTFACELOCAL) { + if (sa6->sin6_scope_id == 0) { + sa6->sin6_scope_id = in6_getscopezone(ifp, scope); + return (0); + } else if (sa6->sin6_scope_id != in6_getscopezone(ifp, scope)) + return (EADDRNOTAVAIL); + } + return (sa6_checkzone(sa6)); +} + |
