mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-24 06:16:30 +03:00
83 lines
4.0 KiB
C++
83 lines
4.0 KiB
C++
// Copyright 2013 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef URL_URL_CANON_IP_H_
|
|
#define URL_URL_CANON_IP_H_
|
|
|
|
#include "base/strings/string16.h"
|
|
#include "url/third_party/mozilla/url_parse.h"
|
|
#include "url/url_canon.h"
|
|
#include "url/url_export.h"
|
|
|
|
namespace url {
|
|
|
|
// Writes the given IPv4 address to |output|.
|
|
URL_EXPORT void AppendIPv4Address(const unsigned char address[4],
|
|
CanonOutput* output);
|
|
|
|
// Writes the given IPv6 address to |output|.
|
|
URL_EXPORT void AppendIPv6Address(const unsigned char address[16],
|
|
CanonOutput* output);
|
|
|
|
// Searches the host name for the portions of the IPv4 address. On success,
|
|
// each component will be placed into |components| and it will return true.
|
|
// It will return false if the host can not be separated as an IPv4 address
|
|
// or if there are any non-7-bit characters or other characters that can not
|
|
// be in an IP address. (This is important so we fail as early as possible for
|
|
// common non-IP hostnames.)
|
|
//
|
|
// Not all components may exist. If there are only 3 components, for example,
|
|
// the last one will have a length of -1 or 0 to indicate it does not exist.
|
|
//
|
|
// Note that many platforms' inet_addr will ignore everything after a space
|
|
// in certain circumstances if the stuff before the space looks like an IP
|
|
// address. IE6 is included in this. We do NOT handle this case. In many cases,
|
|
// the browser's canonicalization will get run before this which converts
|
|
// spaces to %20 (in the case of IE7) or rejects them (in the case of Mozilla),
|
|
// so this code path never gets hit. Our host canonicalization will notice
|
|
// these spaces and escape them, which will make IP address finding fail. This
|
|
// seems like better behavior than stripping after a space.
|
|
URL_EXPORT bool FindIPv4Components(const char* spec,
|
|
const Component& host,
|
|
Component components[4]);
|
|
URL_EXPORT bool FindIPv4Components(const base::char16* spec,
|
|
const Component& host,
|
|
Component components[4]);
|
|
|
|
// Converts an IPv4 address to a 32-bit number (network byte order).
|
|
//
|
|
// Possible return values:
|
|
// IPV4 - IPv4 address was successfully parsed.
|
|
// BROKEN - Input was formatted like an IPv4 address, but overflow occurred
|
|
// during parsing.
|
|
// NEUTRAL - Input couldn't possibly be interpreted as an IPv4 address.
|
|
// It might be an IPv6 address, or a hostname.
|
|
//
|
|
// On success, |num_ipv4_components| will be populated with the number of
|
|
// components in the IPv4 address.
|
|
URL_EXPORT CanonHostInfo::Family IPv4AddressToNumber(const char* spec,
|
|
const Component& host,
|
|
unsigned char address[4],
|
|
int* num_ipv4_components);
|
|
URL_EXPORT CanonHostInfo::Family IPv4AddressToNumber(const base::char16* spec,
|
|
const Component& host,
|
|
unsigned char address[4],
|
|
int* num_ipv4_components);
|
|
|
|
// Converts an IPv6 address to a 128-bit number (network byte order), returning
|
|
// true on success. False means that the input was not a valid IPv6 address.
|
|
//
|
|
// NOTE that |host| is expected to be surrounded by square brackets.
|
|
// i.e. "[::1]" rather than "::1".
|
|
URL_EXPORT bool IPv6AddressToNumber(const char* spec,
|
|
const Component& host,
|
|
unsigned char address[16]);
|
|
URL_EXPORT bool IPv6AddressToNumber(const base::char16* spec,
|
|
const Component& host,
|
|
unsigned char address[16]);
|
|
|
|
} // namespace url
|
|
|
|
#endif // URL_URL_CANON_IP_H_
|