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| author | Ulrich Drepper <drepper@redhat.com> | 2006-05-18 16:58:36 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2006-05-18 16:58:36 +0000 |
| commit | 6e2a7825284e41f2336b0cb5a98609ff486e85fa (patch) | |
| tree | 8084e65d95ff9acac81496574d841ae8c5d5011c /sysdeps | |
| parent | 758b9d7efe599e3de3472593b6f8f03cfc29ea92 (diff) | |
| download | glibc-6e2a7825284e41f2336b0cb5a98609ff486e85fa.zip glibc-6e2a7825284e41f2336b0cb5a98609ff486e85fa.tar.gz glibc-6e2a7825284e41f2336b0cb5a98609ff486e85fa.tar.bz2 | |
* sysdeps/posix/getaddrinfo.c: Add unique labels to the default
RFC3484 precedence table for fec0::/10 and fc00::/7 (site-local
and ULA respectively). Set precedence for IPv4 address to 10 as
defined in RFC3484 for preferring IPv6.
* posix/gai.conf: Update to match the new default tables.
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/posix/getaddrinfo.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c index a78c670..a35b866 100644 --- a/sysdeps/posix/getaddrinfo.c +++ b/sysdeps/posix/getaddrinfo.c @@ -1202,6 +1202,21 @@ static const struct prefixentry default_labels[] = = { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 } } }, 96, 4 }, + /* The next two entries differ from RFC 3484. We need to treat + IPv6 site-local addresses special because they are never NATed, + unlike site-locale IPv4 addresses. If this would not happen, on + machines which have only IPv4 and IPv6 site-local addresses, the + sorting would prefer the IPv6 site-local addresses, causing + unnecessary delays when trying to connect to a global IPv6 address + through a site-local IPv6 address. */ + { { .in6_u + = { .u6_addr8 = { 0xfe, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, + 10, 5 }, + { { .in6_u + = { .u6_addr8 = { 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, + 7, 6 }, { { .in6_u = { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, @@ -1231,7 +1246,7 @@ static const struct prefixentry default_precedence[] = { { .in6_u = { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 } } }, - 96, 100 }, + 96, 10 }, { { .in6_u = { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, |