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ri, transports, binding, reserved ip ranges

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R4SAS 2019-05-15 13:57:46 +03:00
parent 743fa745b7
commit 1e91b59f67
7 changed files with 128 additions and 94 deletions
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36
libi2pd/util.cpp
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@ -337,9 +337,41 @@ namespace net
LogPrint(eLogWarning, "NetIface: cannot find ipv4 address for interface ", ifname);
}
return boost::asio::ip::address::from_string(fallback);
#endif
}
}
bool IsInReservedRange(const boost::asio::ip::address& host) {
if(host.is_v6())
return false; // for now checking only v4
// https://en.wikipedia.org/wiki/Reserved_IP_addresses
std::string reservedIPv4Ranges[][2] = {
{"0.0.0.0", "0.255.255.255"},
{"10.0.0.0", "10.255.255.255"},
{"100.64.0.0", "100.127.255.255"},
{"127.0.0.0", "127.255.255.255"},
{"169.254.0.0", "169.254.255.255"},
{"172.16.0.0", "172.31.255.255"},
{"192.0.0.0", "192.0.0.255"},
{"192.0.2.0", "192.0.2.255"},
{"192.88.99.0", "192.88.99.255"},
{"192.168.0.0", "192.168.255.255"},
{"198.18.0.0", "192.19.255.255"},
{"198.51.100.0", "198.51.100.255"},
{"203.0.113.0", "203.0.113.255"},
{"224.0.0.0", "255.255.255.255"}
};
for(int i = 0; i < sizeof(reservedIPv4Ranges); i++) {
uint32_t rangeStart = boost::asio::ip::address_v4::from_string(reservedIPv4Ranges[i][0]).to_ulong();
uint32_t rangeEnd = boost::asio::ip::address_v4::from_string(reservedIPv4Ranges[i][1]).to_ulong();
uint32_t ip_address = host.to_v4().to_ulong();
if (ip_address >= rangeStart && ip_address <= rangeEnd)
return true;
}
return false;
}
} // net
} // util
} // i2p