d013d529c8
Support IPV6 in Apache Doris, the main changes are: 1. enable binding to IPV6 address if network priority in config file contains an IPV6 CIDR string 2. BRPC and HTTP support binding to IPV6 address 3. BRPC and HTTP support visiting IPV6 Services
91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "util/cidr.h"
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#include <arpa/inet.h>
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#include "common/logging.h"
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#include "gutil/strings/split.h"
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namespace doris {
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constexpr std::uint8_t kIPv4Bits = 32;
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constexpr std::uint8_t kIPv6Bits = 128;
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bool CIDR::reset(const std::string& cidr_str) {
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auto slash = std::find(std::begin(cidr_str), std::end(cidr_str), '/');
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auto ip = (slash == std::end(cidr_str)) ? cidr_str
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: cidr_str.substr(0, slash - std::begin(cidr_str));
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if (inet_pton(AF_INET, ip.c_str(), _address.data())) {
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_family = AF_INET;
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_netmask_len = kIPv4Bits;
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} else if (inet_pton(AF_INET6, ip.c_str(), _address.data())) {
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_family = AF_INET6;
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_netmask_len = kIPv6Bits;
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} else {
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LOG(WARNING) << "Wrong CIDRIP format. network=" << cidr_str;
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return false;
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}
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if (slash == std::end(cidr_str)) {
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return true;
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}
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std::size_t pos;
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std::string suffix = std::string(slash + 1, std::end(cidr_str));
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int len;
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try {
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len = std::stoi(suffix, &pos);
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} catch (const std::exception& e) {
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LOG(WARNING) << "Wrong CIDR format. network=" << cidr_str;
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return false;
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}
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if (pos != suffix.size()) {
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LOG(WARNING) << "Wrong CIDR format. network=" << cidr_str;
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return false;
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}
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if (len < 0 || len > _netmask_len) {
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LOG(WARNING) << "Wrong CIDR mask format. network=" << cidr_str;
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return false;
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}
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_netmask_len = len;
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return true;
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}
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bool CIDR::contains(const CIDR& ip) const {
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if ((_family != ip._family) || (_netmask_len > ip._netmask_len)) {
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return false;
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}
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auto bytes = _netmask_len / 8;
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auto cidr_begin = _address.cbegin();
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auto ip_begin = ip._address.cbegin();
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if (!std::equal(cidr_begin, cidr_begin + bytes, ip_begin, ip_begin + bytes)) {
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return false;
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}
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if ((_netmask_len % 8) == 0) {
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return true;
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}
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auto mask = (0xFF << (8 - (_netmask_len % 8))) & 0xFF;
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return (_address[bytes] & mask) == (ip._address[bytes] & mask);
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}
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} // end namespace doris
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