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/* vi: set sw=4 ts=4:
*
* Copyright (C) 2018 Christian Hohnstaedt.
*
* All rights reserved.
*/
#ifndef __IPVALIDATOR_H
#define __IPVALIDATOR_H
#include <QStringList>
#include <QRegularExpression>
#include <QString>
#include <QValidator>
/* Validating IPv4/6 is not as trivial as thought.
* - The QHostAddress class requires the network library
* and i don't want to add many megabytes for this validator
* - I failed to and actually don't want to write my own validator
* as there are already thoroughly tested functions.
* - inet_pton() does what I want, but
* on Windows there is no inet_pton().
* - Openssl validates the result anyway.
* So we reduce the validation on windows to the RegEx
*/
#if !defined(Q_OS_WIN32)
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
unsigned char buf[sizeof(struct in6_addr)];
#else
#define inet_pton(a,b,c) (1)
#endif
class ipValidator : public QValidator
{
public:
QValidator::State validate(QString &input, int&) const
{
if (!QRegularExpression("^[0-9a-fA-F:\\.]*$").match(input).hasMatch())
return Invalid;
return inet_pton(AF_INET, CCHAR(input), buf) == 1 ||
inet_pton(AF_INET6, CCHAR(input), buf) == 1 ?
Acceptable : Intermediate;
}
void fixup(QString &input) const
{
input = input.toLower();
}
};
#endif
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