Function CheckHostPortOptions

src/init.cpp:1234–1281

}

bool CheckHostPortOptions(const ArgsManager& args) {
    for (const std::string port_option : {
        "-port",
        "-rpcport",
    }) {
        if (const auto port{args.GetArg(port_option)}) {
            const auto n{ToIntegral<uint16_t>(*port)};
            if (!n || *n == 0) {
                return InitError(InvalidPortErrMsg(port_option, *port));
            }
        }
    }

    for ([[maybe_unused]] const auto& [param_name, unix, suffix_allowed] : std::vector<std::tuple<std::string, bool, bool>>{
        // arg name          UNIX socket support  =suffix allowed
        {"-i2psam",          false,               false},
        {"-onion",           true,                false},
        {"-proxy",           true,                true},
        {"-bind",            false,               true},
        {"-rpcbind",         false,               false},
        {"-torcontrol",      false,               false},
        {"-whitebind",       false,               false},
        {"-zmqpubhashblock", true,                false},
        {"-zmqpubhashtx",    true,                false},
        {"-zmqpubrawblock",  true,                false},
        {"-zmqpubrawtx",     true,                false},
        {"-zmqpubsequence",  true,                false},
    }) {
        for (const std::string& param_value : args.GetArgs(param_name)) {
            const std::string param_value_hostport{
                suffix_allowed ? param_value.substr(0, param_value.rfind('=')) : param_value};
            std::string host_out;
            uint16_t port_out{0};
            if (!SplitHostPort(param_value_hostport, port_out, host_out)) {
#ifdef HAVE_SOCKADDR_UN
                // Allow unix domain sockets for some options e.g. unix:/some/file/path
                if (!unix || !param_value.starts_with(ADDR_PREFIX_UNIX)) {
                    return InitError(InvalidPortErrMsg(param_name, param_value));
                }
#else
                return InitError(InvalidPortErrMsg(param_name, param_value));
#endif
            }
        }
    }

    return true;
}

/**
 * @brief Checks for duplicate bindings across all binding configurations.