15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef NET_BASE_DNS_UTIL_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define NET_BASE_DNS_UTIL_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 11c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "base/strings/string_piece.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/net_export.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace net { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// DNSDomainFromDot - convert a domain string to DNS format. From DJB's 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// public domain DNS library. 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// dotted: a string in dotted form: "www.google.com" 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// out: a result in DNS form: "\x03www\x06google\x03com\x00" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NET_EXPORT_PRIVATE bool DNSDomainFromDot(const base::StringPiece& dotted, 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* out); 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// DNSDomainToString converts a domain in DNS format to a dotted string. 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Excludes the dot at the end. 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NET_EXPORT_PRIVATE std::string DNSDomainToString( 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const base::StringPiece& domain); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Returns the hostname by trimming the ending dot, if one exists. 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NET_EXPORT std::string TrimEndingDot(const base::StringPiece& host); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace net 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // NET_BASE_DNS_UTIL_H_ 35