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@ -59,7 +59,6 @@ void NATRouter::onRecv() |
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{ |
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Packet p = this->recv(); |
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// TODO: jako ze router jest tez switchem, zaimplementowac wysylanie wiadomosci po sieci lokalnej
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if (p.getSrcPort() != 0) |
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{ |
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// jezeli pakiet idzie z jednego wezla do drugiego w danej possieci to odeslij mu "jak switch"
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@ -85,11 +84,13 @@ void NATRouter::onRecv() |
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void NATRouter::setWanIp(string wanIp) |
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{ |
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this->netWanConf.ip = wanIp; |
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this->setWanNetwork(); |
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} |
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void NATRouter::setWanMask(string wanMask) |
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{ |
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this->netWanConf.mask = wanMask; |
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this->setWanNetwork(); |
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} |
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void NATRouter::setWanGatewayIp(string wanGatewayIp) |
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@ -107,6 +108,14 @@ string NATRouter::getWanMask() |
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return this->netWanConf.mask; |
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} |
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/*
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* funkcja SNAT zapisuje w tablicy NAT |
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* numer portu zrodlowego komputera z LAN |
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* oraz jego IP i przeksztalca pakiet, zmieniajac |
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* zrodlowy IP na IP zewn. routera oraz wolny |
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* port z tablicy NAT. Jezeli portu nie ma to funkcja |
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* czeka, az sie zwolni |
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*/ |
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void NATRouter::sNAT(Packet *packet) |
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{ |
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int port; |
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@ -133,6 +142,12 @@ void NATRouter::sNAT(Packet *packet) |
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natItem = NULL; |
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} |
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/*
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* funkcja DNAT ma za zadanie znalezc w tablicy NAT |
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* port i adres IP wezla na ktory ma wrocic odpowiedz |
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* z sieci Internet (z zewnatrz), a takze zwolnic ten |
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* port |
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*/ |
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void NATRouter::dNAT(Packet* packet) |
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{ |
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NATItem *natItem = &this->natTable[packet->getDstPort()]; |
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@ -146,6 +161,16 @@ void NATRouter::dNAT(Packet* packet) |
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natItem = NULL; |
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} |
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void NATRouter::setWanNetwork() |
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{ |
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this->netWanConf.network = this->calculateNetwork(this->getWanIp(), this->getWanMask()); |
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} |
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string NATRouter::getWanNetwork() |
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{ |
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return this->netWanConf.network; |
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} |
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string NATRouter::getWanGatewayIp() |
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{ |
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return this->netWanConf.gatewayIp; |
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