Added feed item to notify a blacklisted ip address.

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@8346 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/util/RsNetUtil.cpp

@@ -0,0 +1,105 @@
+/****************************************************************
+ * This file is distributed under the following license:
+ *
+ * Copyright (c) 2015, RetroShare Team
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  of the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA  02110-1301, USA.
+ ****************************************************************/
+
+#include <QCoreApplication>
+#include <QStringList>
+
+#include "RsNetUtil.h"
+
+#include <iostream>
+
+#ifdef WINDOWS_SYS
+#include <ws2tcpip.h>
+#else
+#include <netinet/in.h>
+#endif
+
+bool RsNetUtil::parseAddrFromQString(const QString& s, struct sockaddr_storage& addr, int& bytes)
+{
+	QStringList lst = s.split(".") ;
+	bytes = 0 ;
+
+	memset(&addr,0,sizeof(sockaddr_storage)) ;
+
+	addr.ss_family = AF_INET ;
+
+	QStringList::const_iterator it = lst.begin();
+	bool ok ;
+
+	uint32_t s1 = (*it).toInt(&ok) ; ++it ; if(!ok) return false ; if(it ==lst.end()) return false ;
+	uint32_t s2 = (*it).toInt(&ok) ; ++it ; if(!ok) return false ; if(it ==lst.end()) return false ;
+	uint32_t s3 = (*it).toInt(&ok) ; ++it ; if(!ok) return false ; if(it ==lst.end()) return false ;
+
+	QStringList lst2 = (*it).split("/") ;
+
+	it = lst2.begin();
+
+	uint32_t s4 ;
+	s4 = (*it).toInt(&ok) ; ++it ; if(!ok) return false ;
+
+	if(it != lst2.end())
+	{
+		uint32_t x = (*it).toInt(&ok) ; if(!ok) return false ;
+		if(x%8 != 0)
+			return false ;
+
+		if(x != 16 &&  x != 24)
+			return false ;
+
+		bytes = 4 - x/8 ;
+	}
+
+	const sockaddr_in *in = (const sockaddr_in*)&addr ;
+	((uint8_t*)&in->sin_addr.s_addr)[0] = s1 ;
+	((uint8_t*)&in->sin_addr.s_addr)[1] = s2 ;
+	((uint8_t*)&in->sin_addr.s_addr)[2] = s3 ;
+	((uint8_t*)&in->sin_addr.s_addr)[3] = s4 ;
+
+	return true;
+}
+
+QString RsNetUtil::printAddr(const struct sockaddr_storage& addr)
+{
+	const sockaddr_in *in = (const sockaddr_in*)&addr ;
+
+	uint8_t *bytes = (uint8_t *) &(in->sin_addr.s_addr);
+	return QString("%1.%2.%3.%4").arg(bytes[0]).arg(bytes[1]).arg(bytes[2]).arg(bytes[3]);
+}
+
+QString RsNetUtil::printAddrRange(const struct sockaddr_storage& addr, uint8_t masked_bytes)
+{
+	const sockaddr_in *in = (const sockaddr_in*)&addr ;
+
+	uint8_t *bytes = (uint8_t *) &(in->sin_addr.s_addr);
+
+	switch(masked_bytes)
+	{
+	case 0:
+		return QString("%1.%2.%3.%4").arg(bytes[0]).arg(bytes[1]).arg(bytes[2]).arg(bytes[3]);
+	case 1:
+		return QString("%1.%2.%3.255/24").arg(bytes[0]).arg(bytes[1]).arg(bytes[2]);
+	case 2:
+		return QString("%1.%2.255.255/16").arg(bytes[0]).arg(bytes[1]);
+	}
+
+	std::cerr << "ERROR: Wrong format : masked_bytes = " << masked_bytes << std::endl;
+	return QCoreApplication::translate("RsNetUtil", "Invalid format");
+}