| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #pragma once |
| |
| #include <arpa/nameser.h> |
| #include <netdb.h> |
| |
| #include <filesystem> |
| #include <functional> |
| #include <string> |
| #include <vector> |
| |
| #include <aidl/android/net/INetd.h> |
| #include <android-base/properties.h> |
| #include <android-modules-utils/sdk_level.h> |
| #include <firewall.h> |
| #include <gtest/gtest.h> |
| #include <netdutils/InternetAddresses.h> |
| |
| #include "dns_responder/dns_responder.h" |
| #include "util.h" |
| |
| class ScopeBlockedUIDRule { |
| using INetd = aidl::android::net::INetd; |
| |
| public: |
| ScopeBlockedUIDRule(INetd* netSrv, uid_t testUid) |
| : mNetSrv(netSrv), mTestUid(testUid), mSavedUid(getuid()) { |
| // Add drop rule for testUid. Also enable the standby chain because it might not be |
| // enabled. Unfortunately we cannot use FIREWALL_CHAIN_NONE, or custom iptables rules, for |
| // this purpose because netd calls fchown() on the DNS query sockets, and "iptables -m |
| // owner" matches the UID of the socket creator, not the UID set by fchown(). |
| // TODO: migrate FIREWALL_CHAIN_NONE to eBPF as well. |
| if (android::modules::sdklevel::IsAtLeastT()) { |
| mFw = Firewall::getInstance(); |
| EXPECT_RESULT_OK(mFw->toggleStandbyMatch(true)); |
| EXPECT_RESULT_OK(mFw->addRule(mTestUid, STANDBY_MATCH)); |
| } else { |
| EXPECT_TRUE( |
| mNetSrv->firewallEnableChildChain(INetd::FIREWALL_CHAIN_STANDBY, true).isOk()); |
| EXPECT_TRUE(mNetSrv->firewallSetUidRule(INetd::FIREWALL_CHAIN_STANDBY, mTestUid, |
| INetd::FIREWALL_RULE_DENY) |
| .isOk()); |
| } |
| EXPECT_TRUE(seteuid(mTestUid) == 0); |
| }; |
| ~ScopeBlockedUIDRule() { |
| // Restore uid |
| EXPECT_TRUE(seteuid(mSavedUid) == 0); |
| // Remove drop rule for testUid, and disable the standby chain. |
| if (android::modules::sdklevel::IsAtLeastT()) { |
| EXPECT_RESULT_OK(mFw->removeRule(mTestUid, STANDBY_MATCH)); |
| EXPECT_RESULT_OK(mFw->toggleStandbyMatch(false)); |
| } else { |
| EXPECT_TRUE(mNetSrv->firewallSetUidRule(INetd::FIREWALL_CHAIN_STANDBY, mTestUid, |
| INetd::FIREWALL_RULE_ALLOW) |
| .isOk()); |
| EXPECT_TRUE( |
| mNetSrv->firewallEnableChildChain(INetd::FIREWALL_CHAIN_STANDBY, false).isOk()); |
| } |
| } |
| |
| private: |
| INetd* mNetSrv; |
| Firewall* mFw; |
| const uid_t mTestUid; |
| const uid_t mSavedUid; |
| }; |
| |
| // Supported from T+ only. |
| class ScopedSetDataSaverByBPF { |
| public: |
| ScopedSetDataSaverByBPF(bool wanted) { |
| if (android::modules::sdklevel::IsAtLeastT()) { |
| mFw = Firewall::getInstance(); |
| // Backup current setting. |
| const Result<bool> current = mFw->getDataSaverSetting(); |
| EXPECT_RESULT_OK(current); |
| if (wanted != current.value()) { |
| mSavedDataSaverSetting = current; |
| EXPECT_RESULT_OK(mFw->setDataSaver(wanted)); |
| } |
| } |
| }; |
| ~ScopedSetDataSaverByBPF() { |
| // Restore the setting. |
| if (mSavedDataSaverSetting.has_value()) { |
| EXPECT_RESULT_OK(mFw->setDataSaver(mSavedDataSaverSetting.value())); |
| } |
| } |
| |
| private: |
| Firewall* mFw; |
| Result<bool> mSavedDataSaverSetting; |
| }; |
| |
| class ScopedChangeUID { |
| public: |
| ScopedChangeUID(uid_t testUid) : mTestUid(testUid), mSavedUid(getuid()) { |
| EXPECT_TRUE(seteuid(mTestUid) == 0); |
| }; |
| ~ScopedChangeUID() { EXPECT_TRUE(seteuid(mSavedUid) == 0); } |
| |
| private: |
| const uid_t mTestUid; |
| const uid_t mSavedUid; |
| }; |
| |
| class ScopedSystemProperties { |
| public: |
| ScopedSystemProperties(const std::string& key, const std::string& value) : mStoredKey(key) { |
| mStoredValue = android::base::GetProperty(key, ""); |
| android::base::SetProperty(key, value); |
| } |
| ~ScopedSystemProperties() { android::base::SetProperty(mStoredKey, mStoredValue); } |
| |
| private: |
| std::string mStoredKey; |
| std::string mStoredValue; |
| }; |
| |
| class ScopedDefaultNetwork { |
| using INetd = aidl::android::net::INetd; |
| |
| public: |
| ScopedDefaultNetwork(INetd* netSrv, uid_t testDefaultNetwork) : mNetSrv(netSrv) { |
| EXPECT_TRUE(mNetSrv->networkGetDefault(&mStoredDefaultNetwork).isOk()); |
| EXPECT_TRUE(mNetSrv->networkSetDefault(testDefaultNetwork).isOk()); |
| }; |
| ~ScopedDefaultNetwork() { |
| EXPECT_TRUE(mNetSrv->networkSetDefault(mStoredDefaultNetwork).isOk()); |
| } |
| |
| private: |
| INetd* mNetSrv; |
| int mStoredDefaultNetwork; |
| }; |
| |
| struct DnsRecord { |
| std::string host_name; // host name |
| ns_type type; // record type |
| std::string addr; // ipv4/v6 address |
| }; |
| |
| // TODO: make this dynamic and stop depending on implementation details. |
| constexpr int TEST_NETID = 30; |
| // Use the biggest two reserved appId for applications to avoid conflict with existing uids. |
| constexpr int TEST_UID = 99999; |
| constexpr int TEST_UID2 = 99998; |
| |
| constexpr char kDnsPortString[] = "53"; |
| constexpr char kDohPortString[] = "443"; |
| constexpr char kDotPortString[] = "853"; |
| |
| const std::string kFlagPrefix("persist.device_config.netd_native."); |
| |
| const std::string kDohEarlyDataFlag(kFlagPrefix + "doh_early_data"); |
| const std::string kDohIdleTimeoutFlag(kFlagPrefix + "doh_idle_timeout_ms"); |
| const std::string kDohProbeTimeoutFlag(kFlagPrefix + "doh_probe_timeout_ms"); |
| const std::string kDohQueryTimeoutFlag(kFlagPrefix + "doh_query_timeout_ms"); |
| const std::string kDohSessionResumptionFlag(kFlagPrefix + "doh_session_resumption"); |
| const std::string kDotAsyncHandshakeFlag(kFlagPrefix + "dot_async_handshake"); |
| const std::string kDotConnectTimeoutMsFlag(kFlagPrefix + "dot_connect_timeout_ms"); |
| const std::string kDotMaxretriesFlag(kFlagPrefix + "dot_maxtries"); |
| const std::string kDotQueryTimeoutMsFlag(kFlagPrefix + "dot_query_timeout_ms"); |
| const std::string kDotQuickFallbackFlag(kFlagPrefix + "dot_quick_fallback"); |
| const std::string kDotRevalidationThresholdFlag(kFlagPrefix + "dot_revalidation_threshold"); |
| const std::string kDotXportUnusableThresholdFlag(kFlagPrefix + "dot_xport_unusable_threshold"); |
| const std::string kDotValidationLatencyFactorFlag(kFlagPrefix + "dot_validation_latency_factor"); |
| const std::string kDotValidationLatencyOffsetMsFlag(kFlagPrefix + |
| "dot_validation_latency_offset_ms"); |
| const std::string kKeepListeningUdpFlag(kFlagPrefix + "keep_listening_udp"); |
| const std::string kParallelLookupSleepTimeFlag(kFlagPrefix + "parallel_lookup_sleep_time"); |
| const std::string kRetransIntervalFlag(kFlagPrefix + "retransmission_time_interval"); |
| const std::string kRetryCountFlag(kFlagPrefix + "retry_count"); |
| const std::string kSkip4aQueryOnV6LinklocalAddrFlag(kFlagPrefix + |
| "skip_4a_query_on_v6_linklocal_addr"); |
| const std::string kSortNameserversFlag(kFlagPrefix + "sort_nameservers"); |
| |
| const std::string kPersistNetPrefix("persist.net."); |
| |
| const std::string kQueryLogSize(kPersistNetPrefix + "dns_query_log_size"); |
| |
| static constexpr char kLocalHost[] = "localhost"; |
| static constexpr char kLocalHostAddr[] = "127.0.0.1"; |
| static constexpr char kIp6LocalHost[] = "ip6-localhost"; |
| static constexpr char kIp6LocalHostAddr[] = "::1"; |
| static constexpr char kHelloExampleCom[] = "hello.example.com."; |
| static constexpr char kHelloExampleComAddrV4[] = "1.2.3.4"; |
| static constexpr char kHelloExampleComAddrV4_2[] = "8.8.8.8"; |
| static constexpr char kHelloExampleComAddrV4_3[] = "81.117.21.202"; |
| static constexpr char kHelloExampleComAddrV6[] = "::1.2.3.4"; |
| static constexpr char kHelloExampleComAddrV6_IPV4COMPAT[] = "::1.2.3.4"; |
| static constexpr char kHelloExampleComAddrV6_TEREDO[] = "2001::47c1"; |
| static constexpr char kHelloExampleComAddrV6_GUA[] = "2404:6800::5175:15ca"; |
| static constexpr char kExampleComDomain[] = ".example.com"; |
| |
| static const std::string kNat64Prefix = "64:ff9b::/96"; |
| static const std::string kNat64Prefix2 = "2001:db8:6464::/96"; |
| |
| constexpr size_t kMaxmiumLabelSize = 63; // see RFC 1035 section 2.3.4. |
| |
| static const std::vector<uint8_t> kHelloExampleComQueryV4 = { |
| /* Header */ |
| 0x00, 0x00, /* Transaction ID: 0x0000 */ |
| 0x01, 0x00, /* Flags: rd */ |
| 0x00, 0x01, /* Questions: 1 */ |
| 0x00, 0x00, /* Answer RRs: 0 */ |
| 0x00, 0x00, /* Authority RRs: 0 */ |
| 0x00, 0x00, /* Additional RRs: 0 */ |
| /* Queries */ |
| 0x05, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x03, |
| 0x63, 0x6f, 0x6d, 0x00, /* Name: hello.example.com */ |
| 0x00, 0x01, /* Type: A */ |
| 0x00, 0x01 /* Class: IN */ |
| }; |
| |
| static const std::vector<uint8_t> kHelloExampleComResponseV4 = { |
| /* Header */ |
| 0x00, 0x00, /* Transaction ID: 0x0000 */ |
| 0x81, 0x80, /* Flags: qr rd ra */ |
| 0x00, 0x01, /* Questions: 1 */ |
| 0x00, 0x01, /* Answer RRs: 1 */ |
| 0x00, 0x00, /* Authority RRs: 0 */ |
| 0x00, 0x00, /* Additional RRs: 0 */ |
| /* Queries */ |
| 0x05, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x03, |
| 0x63, 0x6f, 0x6d, 0x00, /* Name: hello.example.com */ |
| 0x00, 0x01, /* Type: A */ |
| 0x00, 0x01, /* Class: IN */ |
| /* Answers */ |
| 0x05, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x03, |
| 0x63, 0x6f, 0x6d, 0x00, /* Name: hello.example.com */ |
| 0x00, 0x01, /* Type: A */ |
| 0x00, 0x01, /* Class: IN */ |
| 0x00, 0x00, 0x00, 0x00, /* Time to live: 0 */ |
| 0x00, 0x04, /* Data length: 4 */ |
| 0x01, 0x02, 0x03, 0x04 /* Address: 1.2.3.4 */ |
| }; |
| |
| const std::vector<uint8_t> kHelloExampleComResponsesV4 = { |
| // scapy.DNS( |
| // id=0, |
| // qr=1, |
| // ra=1, |
| // qd=scapy.DNSQR(qname="hello.example.com",qtype="A"), |
| // an=scapy.DNSRR(rrname="hello.example.com",type="A",ttl=0,rdata='1.2.3.4') / |
| // scapy.DNSRR(rrname="hello.example.com",type="A",ttl=0,rdata='8.8.8.8') / |
| // scapy.DNSRR(rrname="hello.example.com",type="A",ttl=0,rdata='81.117.21.202')) |
| /* Header */ |
| 0x00, 0x00, /* Transaction ID: 0x0000 */ |
| 0x81, 0x80, /* Flags: qr rd ra */ |
| 0x00, 0x01, /* Questions: 1 */ |
| 0x00, 0x03, /* Answer RRs: 3 */ |
| 0x00, 0x00, /* Authority RRs: 0 */ |
| 0x00, 0x00, /* Additional RRs: 0 */ |
| /* Queries */ |
| 0x05, 0x68, 0x65, 0x6C, 0x6C, 0x6F, 0x07, 0x65, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, 0x03, |
| 0x63, 0x6F, 0x6D, 0x00, /* Name: hello.example.com */ |
| 0x00, 0x01, /* Type: A */ |
| 0x00, 0x01, /* Class: IN */ |
| /* Answers */ |
| 0x05, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x03, |
| 0x63, 0x6f, 0x6d, 0x00, /* Name: hello.example.com */ |
| 0x00, 0x01, /* Type: A */ |
| 0x00, 0x01, /* Class: IN */ |
| 0x00, 0x00, 0x00, 0x00, /* Time to live: 0 */ |
| 0x00, 0x04, /* Data length: 4 */ |
| 0x01, 0x02, 0x03, 0x04, /* Address: 1.2.3.4 */ |
| 0x05, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x03, |
| 0x63, 0x6f, 0x6d, 0x00, /* Name: hello.example.com */ |
| 0x00, 0x01, /* Type: A */ |
| 0x00, 0x01, /* Class: IN */ |
| 0x00, 0x00, 0x00, 0x00, /* Time to live: 0 */ |
| 0x00, 0x04, /* Data length: 4 */ |
| 0x08, 0x08, 0x08, 0x08, /* Address: 8.8.8.8 */ |
| 0x05, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x03, |
| 0x63, 0x6f, 0x6d, 0x00, /* Name: hello.example.com */ |
| 0x00, 0x01, /* Type: A */ |
| 0x00, 0x01, /* Class: IN */ |
| 0x00, 0x00, 0x00, 0x00, /* Time to live: 0 */ |
| 0x00, 0x04, /* Data length: 4 */ |
| 0x51, 0x75, 0x15, 0xca /* Address: 81.117.21.202 */ |
| }; |
| |
| static const std::vector<uint8_t> kHelloExampleComQueryV6 = { |
| /* Header */ |
| 0x00, 0x00, /* Transaction ID: 0x0000 */ |
| 0x01, 0x00, /* Flags: rd */ |
| 0x00, 0x01, /* Questions: 1 */ |
| 0x00, 0x00, /* Answer RRs: 0 */ |
| 0x00, 0x00, /* Authority RRs: 0 */ |
| 0x00, 0x00, /* Additional RRs: 0 */ |
| /* Queries */ |
| 0x05, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x03, |
| 0x63, 0x6f, 0x6d, 0x00, /* Name: hello.example.com */ |
| 0x00, 0x1c, /* Type: AAAA */ |
| 0x00, 0x01 /* Class: IN */ |
| }; |
| |
| const std::vector<uint8_t> kHelloExampleComResponsesV6 = { |
| // The addresses are IPv4-compatible address, teredo tunneling address and global unicast |
| // address. |
| // |
| // scapy.DNS( |
| // id=0, |
| // qr=1, |
| // ra=1, |
| // qd=scapy.DNSQR(qname="hello.example.com",qtype="AAAA"), |
| // an=scapy.DNSRR(rrname="hello.example.com",type="AAAA",rdata='::1.2.3.4') / |
| // scapy.DNSRR(rrname="hello.example.com",type="AAAA",rdata='2001::47c1') / |
| // scapy.DNSRR(rrname="hello.example.com",type="AAAA",rdata='2404:6800::5175:15ca')) |
| /* Header */ |
| 0x00, 0x00, /* Transaction ID: 0x0000 */ |
| 0x81, 0x80, /* Flags: qr rd ra */ |
| 0x00, 0x01, /* Questions: 1 */ |
| 0x00, 0x03, /* Answer RRs: 3 */ |
| 0x00, 0x00, /* Authority RRs: 0 */ |
| 0x00, 0x00, /* Additional RRs: 0 */ |
| /* Queries */ |
| 0x05, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x03, |
| 0x63, 0x6f, 0x6d, 0x00, /* Name: hello.example.com */ |
| 0x00, 0x1c, /* Type: AAAA */ |
| 0x00, 0x01, /* Class: IN */ |
| /* Answers */ |
| 0x05, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x03, |
| 0x63, 0x6f, 0x6d, 0x00, /* Name: hello.example.com */ |
| 0x00, 0x1c, /* Type: AAAA */ |
| 0x00, 0x01, /* Class: IN */ |
| 0x00, 0x00, 0x00, 0x00, /* Time to live: 0 */ |
| 0x00, 0x10, /* Data length: 4 */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, |
| 0x04, /* Address: ::1.2.3.4 */ |
| 0x05, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x03, |
| 0x63, 0x6f, 0x6d, 0x00, /* Name: hello.example.com */ |
| 0x00, 0x1c, /* Type: AAAA */ |
| 0x00, 0x01, /* Class: IN */ |
| 0x00, 0x00, 0x00, 0x00, /* Time to live: 0 */ |
| 0x00, 0x10, /* Data length: 4 */ |
| 0x20, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x47, |
| 0xc1, /* Address: 2001::47c1 */ |
| 0x05, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x03, |
| 0x63, 0x6f, 0x6d, 0x00, /* Name: hello.example.com */ |
| 0x00, 0x1c, /* Type: AAAA */ |
| 0x00, 0x01, /* Class: IN */ |
| 0x00, 0x00, 0x00, 0x00, /* Time to live: 0 */ |
| 0x00, 0x10, /* Data length: 4 */ |
| 0x24, 0x04, 0x68, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x51, 0x75, 0x15, |
| 0xCA /* Address: 2404:6800::5175:15ca */ |
| }; |
| |
| // Illegal hostnames |
| static constexpr char kBadCharAfterPeriodHost[] = "hello.example.^com."; |
| static constexpr char kBadCharBeforePeriodHost[] = "hello.example^.com."; |
| static constexpr char kBadCharAtTheEndHost[] = "hello.example.com^."; |
| static constexpr char kBadCharInTheMiddleOfLabelHost[] = "hello.ex^ample.com."; |
| |
| static const test::DNSHeader kDefaultDnsHeader = { |
| // Don't need to initialize the flag "id" and "rd" because DNS responder assigns them from |
| // query to response. See RFC 1035 section 4.1.1. |
| .id = 0, // unused. should be assigned from query to response |
| .ra = false, // recursive query support is not available |
| .rcode = ns_r_noerror, // no error |
| .qr = true, // message is a response |
| .opcode = QUERY, // a standard query |
| .aa = false, // answer/authority portion was not authenticated by the server |
| .tr = false, // message is not truncated |
| .rd = false, // unused. should be assigned from query to response |
| .ad = false, // non-authenticated data is unacceptable |
| }; |
| |
| // The CNAME chain records for building a response message which exceeds 512 bytes. |
| // |
| // Ignoring the other fields of the message, the response message has 8 CNAMEs in 5 answer RRs |
| // and each CNAME has 77 bytes as the follows. The response message at least has 616 bytes in |
| // answer section and has already exceeded 512 bytes totally. |
| // |
| // The CNAME is presented as: |
| // 0 1 64 65 72 73 76 77 |
| // +---+--........--+---+---+---+---+---+---+---+---+---+---+---+---+---+ |
| // | 63| {x, .., x} | 7 | e | x | a | m | p | l | e | 3 | c | o | m | 0 | |
| // +---+--........--+---+---+---+---+---+---+---+---+---+---+---+---+---+ |
| // ^-- x = {a, b, c, d} |
| // |
| const std::string kCnameA = std::string(kMaxmiumLabelSize, 'a') + kExampleComDomain + "."; |
| const std::string kCnameB = std::string(kMaxmiumLabelSize, 'b') + kExampleComDomain + "."; |
| const std::string kCnameC = std::string(kMaxmiumLabelSize, 'c') + kExampleComDomain + "."; |
| const std::string kCnameD = std::string(kMaxmiumLabelSize, 'd') + kExampleComDomain + "."; |
| const std::vector<DnsRecord> kLargeCnameChainRecords = { |
| {kHelloExampleCom, ns_type::ns_t_cname, kCnameA}, |
| {kCnameA, ns_type::ns_t_cname, kCnameB}, |
| {kCnameB, ns_type::ns_t_cname, kCnameC}, |
| {kCnameC, ns_type::ns_t_cname, kCnameD}, |
| {kCnameD, ns_type::ns_t_a, kHelloExampleComAddrV4}, |
| }; |
| |
| // TODO: Integrate GetNumQueries relevent functions |
| size_t GetNumQueries(const test::DNSResponder& dns, const char* name); |
| size_t GetNumQueriesForProtocol(const test::DNSResponder& dns, const int protocol, |
| const char* name); |
| size_t GetNumQueriesForType(const test::DNSResponder& dns, ns_type type, const char* name); |
| std::string ToString(const hostent* he); |
| std::string ToString(const addrinfo* ai); |
| std::string ToString(const android::netdutils::ScopedAddrinfo& ai); |
| std::string ToString(const sockaddr_storage* addr); |
| std::vector<std::string> ToStrings(const hostent* he); |
| std::vector<std::string> ToStrings(const addrinfo* ai); |
| std::vector<std::string> ToStrings(const android::netdutils::ScopedAddrinfo& ai); |
| |
| // Wait for |condition| to be met until |timeout|. |
| bool PollForCondition(const std::function<bool()>& condition, |
| std::chrono::milliseconds timeout = std::chrono::milliseconds(1000)); |
| |
| android::netdutils::ScopedAddrinfo safe_getaddrinfo(const char* node, const char* service, |
| const struct addrinfo* hints); |
| |
| void SetMdnsRoute(); |
| void RemoveMdnsRoute(); |
| |
| #define SKIP_IF_BEFORE_T \ |
| do { \ |
| if (!isAtLeastT()) { \ |
| GTEST_SKIP() << "Skipping test because SDK version is less than T."; \ |
| } \ |
| } while (0) |
| |
| static const std::string DNS_HELPER = |
| android::bpf::isUserspace64bit() |
| ? "/apex/com.android.tethering/lib64/libcom.android.tethering.dns_helper.so" |
| : "/apex/com.android.tethering/lib/libcom.android.tethering.dns_helper.so"; |
| |
| #define SKIP_IF_DEPENDENT_LIB_DOES_NOT_EXIST(libPath) \ |
| do { \ |
| if (!std::filesystem::exists(libPath)) \ |
| GTEST_SKIP() << "Required " << (libPath) << " not found."; \ |
| } while (0) |
