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118 lines
3.1 KiB
118 lines
3.1 KiB
/*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <regex>
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#include <string>
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#include <vector>
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#include <errno.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <android-base/stringprintf.h>
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#include <android/multinetwork.h>
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#include "VtsHalNetNetdTestUtils.h"
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using android::base::StringPrintf;
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int checkNetworkExists(net_handle_t netHandle) {
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int sock = socket(AF_INET6, SOCK_STREAM, 0);
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if (sock == -1) {
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return -ENOTSOCK;
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}
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int ret = android_setsocknetwork(netHandle, sock);
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if (ret) {
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ret = -errno;
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}
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close(sock);
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return ret;
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}
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// TODO: deduplicate this with system/netd/tests/binder_test.cpp.
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static std::vector<std::string> runCommand(const std::string& command) {
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std::vector<std::string> lines;
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FILE* f;
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if ((f = popen(command.c_str(), "r")) == nullptr) {
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perror("popen");
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return lines;
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}
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char* line = nullptr;
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size_t bufsize = 0;
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ssize_t linelen = 0;
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while ((linelen = getline(&line, &bufsize, f)) >= 0) {
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lines.push_back(std::string(line, linelen));
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}
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free(line);
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pclose(f);
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return lines;
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}
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static std::vector<std::string> listIpRules(const char* ipVersion) {
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std::string command = StringPrintf("%s %s rule list", IP_PATH, ipVersion);
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return runCommand(command);
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}
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int countMatchingIpRules(const std::string& regexString) {
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const std::regex regex(regexString, std::regex_constants::extended);
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int matches = 0;
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for (const char* version : {"-4", "-6"}) {
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std::vector<std::string> rules = listIpRules(version);
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for (const auto& rule : rules) {
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if (std::regex_search(rule, regex)) {
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matches++;
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}
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}
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}
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return matches;
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}
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int countRulesForFwmark(const uint32_t fwmark) {
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// Skip top nibble, which differs between rules.
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std::string regex =
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StringPrintf("from all fwmark 0x(%x|[0-9a-f]+%04x)/.* lookup ", fwmark, fwmark);
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return countMatchingIpRules(regex);
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}
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int checkReachability(net_handle_t netHandle, const char* addrStr) {
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addrinfo *ai, hints = {.ai_flags = AI_NUMERICHOST | AI_NUMERICSERV};
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int ret = getaddrinfo(addrStr, "53", &hints, &ai);
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if (ret) {
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return -EINVAL;
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}
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int sock = socket(ai->ai_family, SOCK_DGRAM, 0);
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if (sock == -1 || android_setsocknetwork(netHandle, sock) == -1) {
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ret = -errno;
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freeaddrinfo(ai);
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return ret;
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}
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ret = connect(sock, ai->ai_addr, ai->ai_addrlen);
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close(sock);
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if (ret == -1) {
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ret = -errno;
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}
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freeaddrinfo(ai);
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return ret;
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}
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