Server IP : 85.214.239.14 / Your IP : 18.221.157.203 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /proc/2/root/proc/3/root/proc/3/cwd/lib/python3/dist-packages/dns/ |
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# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license # Copyright (C) 2003-2017 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.""" from typing import Union import struct import dns.exception def inet_ntoa(address: bytes) -> str: """Convert an IPv4 address in binary form to text form. *address*, a ``bytes``, the IPv4 address in binary form. Returns a ``str``. """ 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: Union[str, bytes]) -> bytes: """Convert an IPv4 address in text form to binary form. *text*, a ``str`` or ``bytes``, the IPv4 address in textual form. Returns a ``bytes``. """ if not isinstance(text, bytes): btext = text.encode() else: btext = text parts = btext.split(b".") 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] == ord("0"): # No leading zeros raise dns.exception.SyntaxError try: b = [int(part) for part in parts] return struct.pack("BBBB", *b) except Exception: raise dns.exception.SyntaxError