Function LookupIntern

src/netbase.cpp:144–171

}

static std::vector<CNetAddr> LookupIntern(const std::string& name, unsigned int nMaxSolutions, bool fAllowLookup, DNSLookupFn dns_lookup_function)
{
    if (!ContainsNoNUL(name)) return {};
    {
        CNetAddr addr;
        // From our perspective, onion addresses are not hostnames but rather
        // direct encodings of CNetAddr much like IPv4 dotted-decimal notation
        // or IPv6 colon-separated hextet notation. Since we can't use
        // getaddrinfo to decode them and it wouldn't make sense to resolve
        // them, we return a network address representing it instead. See
        // CNetAddr::SetSpecial(const std::string&) for more details.
        if (addr.SetSpecial(name)) return {addr};
    }

    std::vector<CNetAddr> addresses;

    for (const CNetAddr& resolved : dns_lookup_function(name, fAllowLookup)) {
        if (nMaxSolutions > 0 && addresses.size() >= nMaxSolutions) {
            break;
        }
        /* Never allow resolving to an internal address. Consider any such result invalid */
        if (!resolved.IsInternal()) {
            addresses.push_back(resolved);
        }
    }

    return addresses;
}

std::vector<CNetAddr> LookupHost(const std::string& name, unsigned int nMaxSolutions, bool fAllowLookup, DNSLookupFn dns_lookup_function)
{