diff options
Diffstat (limited to 'dns/ipv4.py')
| -rw-r--r-- | dns/ipv4.py | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/dns/ipv4.py b/dns/ipv4.py deleted file mode 100644 index d2f7703..0000000 --- a/dns/ipv4.py +++ /dev/null @@ -1,53 +0,0 @@ -# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. -# -# Permission to use, copy, modify, and distribute this software and its -# documentation for any purpose with or without fee is hereby granted, -# provided that the above copyright notice and this permission notice -# appear in all copies. -# -# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES -# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR -# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT -# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - -"""IPv4 helper functions.""" - -import struct - -import dns.exception - -def inet_ntoa(address): - """Convert an IPv4 address in network form to text form. - - @param address: The IPv4 address - @type address: bytes - @returns: string - """ - if len(address) != 4: - raise dns.exception.SyntaxError - return '%u.%u.%u.%u' % (address[0], address[1], address[2], address[3]) - -def inet_aton(text): - """Convert an IPv4 address in text form to network form. - - @param text: The IPv4 address - @type text: string - @returns: bytes - """ - parts = text.split('.') - if len(parts) != 4: - raise dns.exception.SyntaxError - for part in parts: - if not part.isdigit(): - raise dns.exception.SyntaxError - if len(part) > 1 and part[0] == '0': - # No leading zeros - raise dns.exception.SyntaxError - try: - bytes = [int(part) for part in parts] - return struct.pack('BBBB', *bytes) - except: - raise dns.exception.SyntaxError |
