MFC 1.85: don't embed scope id before running packet filters.

This commit is contained in:
ume 2006-01-31 16:36:11 +00:00
parent c35747e82b
commit 4b7ff8cc00

View File

@ -404,26 +404,6 @@ ip6_input(m)
}
#endif
/*
* Disambiguate address scope zones (if there is ambiguity).
* We first make sure that the original source or destination address
* is not in our internal form for scoped addresses. Such addresses
* are not necessarily invalid spec-wise, but we cannot accept them due
* to the usage conflict.
* in6_setscope() then also checks and rejects the cases where src or
* dst are the loopback address and the receiving interface
* is not loopback.
*/
if (in6_clearscope(&ip6->ip6_src) || in6_clearscope(&ip6->ip6_dst)) {
ip6stat.ip6s_badscope++; /* XXX */
goto bad;
}
if (in6_setscope(&ip6->ip6_src, m->m_pkthdr.rcvif, NULL) ||
in6_setscope(&ip6->ip6_dst, m->m_pkthdr.rcvif, NULL)) {
ip6stat.ip6s_badscope++;
goto bad;
}
/*
* Run through list of hooks for input packets.
*
@ -460,6 +440,26 @@ passin:
return;
}
/*
* Disambiguate address scope zones (if there is ambiguity).
* We first make sure that the original source or destination address
* is not in our internal form for scoped addresses. Such addresses
* are not necessarily invalid spec-wise, but we cannot accept them due
* to the usage conflict.
* in6_setscope() then also checks and rejects the cases where src or
* dst are the loopback address and the receiving interface
* is not loopback.
*/
if (in6_clearscope(&ip6->ip6_src) || in6_clearscope(&ip6->ip6_dst)) {
ip6stat.ip6s_badscope++; /* XXX */
goto bad;
}
if (in6_setscope(&ip6->ip6_src, m->m_pkthdr.rcvif, NULL) ||
in6_setscope(&ip6->ip6_dst, m->m_pkthdr.rcvif, NULL)) {
ip6stat.ip6s_badscope++;
goto bad;
}
/*
* Multicast check
*/