diff options
| author | Bob Halley <halley@dnspython.org> | 2014-05-31 11:17:38 -0700 |
|---|---|---|
| committer | Bob Halley <halley@dnspython.org> | 2014-05-31 11:17:38 -0700 |
| commit | 7a277cecc6227edf746a40dbad250503ef3f7d20 (patch) | |
| tree | cb4b9282a7e2114eb653bdc662c760f46241b65f /dns/ipv6.py | |
| parent | c8e17fc02a2d3ebbee3e7c34cd7828858e13fe57 (diff) | |
| download | dnspython-7a277cecc6227edf746a40dbad250503ef3f7d20.tar.gz | |
Add dns.ipv6.is_mapped(); Reverse IPv6 mapped IPv4 into v4 space
Diffstat (limited to 'dns/ipv6.py')
| -rw-r--r-- | dns/ipv6.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/dns/ipv6.py b/dns/ipv6.py index 1ab00da..bf658af 100644 --- a/dns/ipv6.py +++ b/dns/ipv6.py @@ -161,3 +161,8 @@ def inet_aton(text): return text.decode('hex_codec') except TypeError: raise dns.exception.SyntaxError + +_mapped_prefix = '\x00' * 10 + '\xff\xff' + +def is_mapped(address): + return address.startswith(_mapped_prefix) |