diff options
Diffstat (limited to 'libc/netbsd/net/getaddrinfo.c')
| -rw-r--r-- | libc/netbsd/net/getaddrinfo.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/libc/netbsd/net/getaddrinfo.c b/libc/netbsd/net/getaddrinfo.c index e7564c4..aa3b81a 100644 --- a/libc/netbsd/net/getaddrinfo.c +++ b/libc/netbsd/net/getaddrinfo.c @@ -1299,11 +1299,13 @@ _get_scope(const struct sockaddr *addr) if (IN_LOOPBACK(na) || /* 127.0.0.0/8 */ (na & 0xffff0000) == 0xa9fe0000) { /* 169.254.0.0/16 */ return IPV6_ADDR_SCOPE_LINKLOCAL; - } else if ((na & 0xff000000) == 0x0a000000 || /* 10.0.0.0/8 */ - (na & 0xfff00000) == 0xac100000 || /* 172.16.0.0/12 */ - (na & 0xffff0000) == 0xc0a80000) { /* 192.168.0.0/16 */ - return IPV6_ADDR_SCOPE_SITELOCAL; } else { + /* + * According to draft-ietf-6man-rfc3484-revise-01 section 2.3, + * it is best not to treat the private IPv4 ranges + * (10.0.0.0/8, 172.16.0.0/12 and 192.168.0.0/16) as being + * in a special scope, so we don't. + */ return IPV6_ADDR_SCOPE_GLOBAL; } } else { |