Do DNS64 prefix discovery in netd
Test: as follows
- built, flashed, booted
- system/netd/tests/runtests.sh passes
- dumpsys netd observes DNS64 discovery output
Bug: 78545619
Change-Id: I447c35229b07e8077546a03489d36e7be9d969a3
diff --git a/libnetdutils/InternetAddressesTest.cpp b/libnetdutils/InternetAddressesTest.cpp
new file mode 100644
index 0000000..c81e7eb
--- /dev/null
+++ b/libnetdutils/InternetAddressesTest.cpp
@@ -0,0 +1,505 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+#include <cstdint>
+#include <limits>
+
+#include <android-base/macros.h>
+#include <gtest/gtest.h>
+
+#include "netdutils/InternetAddresses.h"
+
+namespace android {
+namespace netdutils {
+namespace {
+
+const in_addr IPV4_ANY{htonl(INADDR_ANY)};
+const in_addr IPV4_LOOPBACK{htonl(INADDR_LOOPBACK)};
+const in_addr IPV4_ONES{~0U};
+const in6_addr IPV6_ANY = IN6ADDR_ANY_INIT;
+const in6_addr IPV6_LOOPBACK = IN6ADDR_LOOPBACK_INIT;
+const in6_addr FE80{{{0xfe,0x80,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}};
+const in6_addr FE80_1{{{0xfe,0x80,0,0,0,0,0,0,0,0,0,0,0,0,0,1}}};
+const in6_addr FE80_2{{{0xfe,0x80,0,0,0,0,0,0,0,0,0,0,0,0,0,2}}};
+const uint8_t ff = std::numeric_limits<uint8_t>::max();
+const in6_addr IPV6_ONES{{{ff,ff,ff,ff,ff,ff,ff,ff,ff,ff,ff,ff,ff,ff,ff,ff}}};
+
+TEST(IPAddressTest, Equals) {
+ EXPECT_TRUE(IPAddress() == IPAddress());
+ EXPECT_TRUE(IPAddress(IPV4_ONES) == IPAddress(IPV4_ONES));
+ EXPECT_TRUE(IPAddress(IPV6_ONES) == IPAddress(IPV6_ONES));
+ EXPECT_TRUE(IPAddress(FE80_1) == IPAddress(FE80_1));
+ EXPECT_TRUE(IPAddress(FE80_2) == IPAddress(FE80_2));
+ EXPECT_FALSE(IPAddress() == IPAddress(IPV4_ONES));
+ EXPECT_FALSE(IPAddress() == IPAddress(IPV6_ONES));
+ EXPECT_FALSE(IPAddress(IPV4_ONES) == IPAddress(IPV6_ONES));
+ EXPECT_FALSE(IPAddress(IPV6_ONES) == IPAddress(FE80_1));
+}
+
+TEST(IPAddressTest, NotEquals) {
+ EXPECT_FALSE(IPAddress() != IPAddress());
+ EXPECT_FALSE(IPAddress(IPV4_ONES) != IPAddress(IPV4_ONES));
+ EXPECT_FALSE(IPAddress(IPV6_ONES) != IPAddress(IPV6_ONES));
+ EXPECT_FALSE(IPAddress(FE80_1) != IPAddress(FE80_1));
+ EXPECT_FALSE(IPAddress(FE80_2) != IPAddress(FE80_2));
+ EXPECT_TRUE(IPAddress() != IPAddress(IPV4_ONES));
+ EXPECT_TRUE(IPAddress() != IPAddress(IPV6_ONES));
+ EXPECT_TRUE(IPAddress(IPV4_ONES) != IPAddress(IPV6_ONES));
+ EXPECT_TRUE(IPAddress(IPV6_ONES) != IPAddress(FE80_1));
+}
+
+TEST(IPAddressTest, ScopeIds) {
+ EXPECT_TRUE(IPAddress(FE80_1, 22) == IPAddress(FE80_1, 22));
+ EXPECT_FALSE(IPAddress(FE80_1, 22) != IPAddress(FE80_1, 22));
+ EXPECT_FALSE(IPAddress(FE80_1) == IPAddress(FE80_1, 22));
+ EXPECT_TRUE(IPAddress(FE80_1) != IPAddress(FE80_1, 22));
+ EXPECT_FALSE(IPAddress(FE80_2, 22) == IPAddress(FE80_1, 22));
+ EXPECT_TRUE(IPAddress(FE80_2, 22) != IPAddress(FE80_1, 22));
+
+ // Scope IDs ignored for IPv4 addresses.
+ const IPAddress ones(IPV4_ONES);
+ EXPECT_EQ(0, ones.scope_id());
+ const IPAddress ones22(ones, 22);
+ EXPECT_EQ(0, ones22.scope_id());
+ EXPECT_TRUE(ones == ones22);
+ const IPAddress ones23(ones, 23);
+ EXPECT_EQ(0, ones23.scope_id());
+ EXPECT_TRUE(ones22 == ones23);
+
+ EXPECT_EQ("fe80::1%22", IPAddress(FE80_1, 22).toString());
+ EXPECT_EQ("fe80::2%23", IPAddress(FE80_2, 23).toString());
+
+ // Verify that given an IPAddress with a scope_id an address without a
+ // scope_id can be constructed (just in case it's useful).
+ const IPAddress fe80_intf22(FE80_1, 22);
+ EXPECT_EQ(22, fe80_intf22.scope_id());
+ EXPECT_EQ(fe80_intf22, IPAddress(fe80_intf22));
+ EXPECT_EQ(IPAddress(FE80_1), IPAddress(fe80_intf22, 0));
+}
+
+TEST(IPAddressTest, LessThan) {
+ EXPECT_FALSE(IPAddress() < IPAddress());
+ EXPECT_TRUE(IPAddress() < IPAddress(IPV4_ANY));
+ EXPECT_TRUE(IPAddress() < IPAddress(IPV6_ANY));
+ EXPECT_TRUE(IPAddress(IPV4_ANY) < IPAddress(IPV6_ANY));
+ EXPECT_TRUE(IPAddress(IPV4_ANY) < IPAddress(IPV4_ONES));
+ EXPECT_TRUE(IPAddress(IPV4_ONES) < IPAddress(IPV6_ANY));
+ EXPECT_TRUE(IPAddress(IPV6_ANY) < IPAddress(IPV6_LOOPBACK));
+ EXPECT_TRUE(IPAddress(IPV6_ANY) < IPAddress(IPV6_ONES));
+ // Sort by scoped_id.
+ EXPECT_TRUE(IPAddress(FE80_1) < IPAddress(FE80_1, 1));
+ EXPECT_TRUE(IPAddress(FE80_1, 1) < IPAddress(FE80_1, 2));
+ // Sort by address first, scope_id second.
+ EXPECT_TRUE(IPAddress(FE80_1, 2) < IPAddress(FE80_2));
+ EXPECT_TRUE(IPAddress(FE80_1, 2) < IPAddress(FE80_2, 2));
+}
+
+TEST(IPAddressTest, forString) {
+ IPAddress ip;
+
+ EXPECT_FALSE(IPAddress::forString("not_an_ip", &ip));
+ EXPECT_FALSE(IPAddress::forString("not_an_ip", nullptr));
+ EXPECT_EQ(IPAddress(), IPAddress::forString("not_an_ip"));
+
+ EXPECT_EQ(IPAddress(IPV4_ANY), IPAddress::forString("0.0.0.0"));
+ EXPECT_EQ(IPAddress(IPV4_ONES), IPAddress::forString("255.255.255.255"));
+ EXPECT_EQ(IPAddress(IPV4_LOOPBACK), IPAddress::forString("127.0.0.1"));
+
+ EXPECT_EQ(IPAddress(IPV6_ANY), IPAddress::forString("::"));
+ EXPECT_EQ(IPAddress(IPV6_ANY), IPAddress::forString("::0"));
+ EXPECT_EQ(IPAddress(IPV6_ANY), IPAddress::forString("0::"));
+ EXPECT_EQ(IPAddress(IPV6_LOOPBACK), IPAddress::forString("::1"));
+ EXPECT_EQ(IPAddress(IPV6_LOOPBACK), IPAddress::forString("0::1"));
+ EXPECT_EQ(IPAddress(FE80_1), IPAddress::forString("fe80::1"));
+ EXPECT_EQ(IPAddress(FE80_1, 22), IPAddress::forString("fe80::1%22"));
+ // This relies upon having a loopback interface named "lo" with ifindex 1.
+ EXPECT_EQ(IPAddress(FE80_1, 1), IPAddress::forString("fe80::1%lo"));
+}
+
+TEST(IPPrefixTest, IPv4Truncation) {
+ const auto prefixStr = [](int length) -> std::string {
+ return IPPrefix(IPAddress(IPV4_ONES), length).toString();
+ };
+
+ EXPECT_EQ("0.0.0.0/0", prefixStr(0));
+
+ EXPECT_EQ("128.0.0.0/1", prefixStr(1));
+ EXPECT_EQ("192.0.0.0/2", prefixStr(2));
+ EXPECT_EQ("224.0.0.0/3", prefixStr(3));
+ EXPECT_EQ("240.0.0.0/4", prefixStr(4));
+ EXPECT_EQ("248.0.0.0/5", prefixStr(5));
+ EXPECT_EQ("252.0.0.0/6", prefixStr(6));
+ EXPECT_EQ("254.0.0.0/7", prefixStr(7));
+ EXPECT_EQ("255.0.0.0/8", prefixStr(8));
+
+ EXPECT_EQ("255.128.0.0/9", prefixStr(9));
+ EXPECT_EQ("255.192.0.0/10", prefixStr(10));
+ EXPECT_EQ("255.224.0.0/11", prefixStr(11));
+ EXPECT_EQ("255.240.0.0/12", prefixStr(12));
+ EXPECT_EQ("255.248.0.0/13", prefixStr(13));
+ EXPECT_EQ("255.252.0.0/14", prefixStr(14));
+ EXPECT_EQ("255.254.0.0/15", prefixStr(15));
+ EXPECT_EQ("255.255.0.0/16", prefixStr(16));
+
+ EXPECT_EQ("255.255.128.0/17", prefixStr(17));
+ EXPECT_EQ("255.255.192.0/18", prefixStr(18));
+ EXPECT_EQ("255.255.224.0/19", prefixStr(19));
+ EXPECT_EQ("255.255.240.0/20", prefixStr(20));
+ EXPECT_EQ("255.255.248.0/21", prefixStr(21));
+ EXPECT_EQ("255.255.252.0/22", prefixStr(22));
+ EXPECT_EQ("255.255.254.0/23", prefixStr(23));
+ EXPECT_EQ("255.255.255.0/24", prefixStr(24));
+
+ EXPECT_EQ("255.255.255.128/25", prefixStr(25));
+ EXPECT_EQ("255.255.255.192/26", prefixStr(26));
+ EXPECT_EQ("255.255.255.224/27", prefixStr(27));
+ EXPECT_EQ("255.255.255.240/28", prefixStr(28));
+ EXPECT_EQ("255.255.255.248/29", prefixStr(29));
+ EXPECT_EQ("255.255.255.252/30", prefixStr(30));
+ EXPECT_EQ("255.255.255.254/31", prefixStr(31));
+ EXPECT_EQ("255.255.255.255/32", prefixStr(32));
+}
+
+TEST(IPPrefixTest, IPv6Truncation) {
+ const auto prefixStr = [](int length) -> std::string {
+ return IPPrefix(IPAddress(IPV6_ONES), length).toString();
+ };
+
+ EXPECT_EQ("::/0", prefixStr(0));
+
+ EXPECT_EQ("8000::/1", prefixStr(1));
+ EXPECT_EQ("c000::/2", prefixStr(2));
+ EXPECT_EQ("e000::/3", prefixStr(3));
+ EXPECT_EQ("f000::/4", prefixStr(4));
+ EXPECT_EQ("f800::/5", prefixStr(5));
+ EXPECT_EQ("fc00::/6", prefixStr(6));
+ EXPECT_EQ("fe00::/7", prefixStr(7));
+ EXPECT_EQ("ff00::/8", prefixStr(8));
+
+ EXPECT_EQ("ff80::/9", prefixStr(9));
+ EXPECT_EQ("ffc0::/10", prefixStr(10));
+ EXPECT_EQ("ffe0::/11", prefixStr(11));
+ EXPECT_EQ("fff0::/12", prefixStr(12));
+ EXPECT_EQ("fff8::/13", prefixStr(13));
+ EXPECT_EQ("fffc::/14", prefixStr(14));
+ EXPECT_EQ("fffe::/15", prefixStr(15));
+ EXPECT_EQ("ffff::/16", prefixStr(16));
+
+ EXPECT_EQ("ffff:8000::/17", prefixStr(17));
+ EXPECT_EQ("ffff:c000::/18", prefixStr(18));
+ EXPECT_EQ("ffff:e000::/19", prefixStr(19));
+ EXPECT_EQ("ffff:f000::/20", prefixStr(20));
+ EXPECT_EQ("ffff:f800::/21", prefixStr(21));
+ EXPECT_EQ("ffff:fc00::/22", prefixStr(22));
+ EXPECT_EQ("ffff:fe00::/23", prefixStr(23));
+ EXPECT_EQ("ffff:ff00::/24", prefixStr(24));
+
+ EXPECT_EQ("ffff:ff80::/25", prefixStr(25));
+ EXPECT_EQ("ffff:ffc0::/26", prefixStr(26));
+ EXPECT_EQ("ffff:ffe0::/27", prefixStr(27));
+ EXPECT_EQ("ffff:fff0::/28", prefixStr(28));
+ EXPECT_EQ("ffff:fff8::/29", prefixStr(29));
+ EXPECT_EQ("ffff:fffc::/30", prefixStr(30));
+ EXPECT_EQ("ffff:fffe::/31", prefixStr(31));
+ EXPECT_EQ("ffff:ffff::/32", prefixStr(32));
+
+ EXPECT_EQ("ffff:ffff:8000::/33", prefixStr(33));
+ EXPECT_EQ("ffff:ffff:c000::/34", prefixStr(34));
+ EXPECT_EQ("ffff:ffff:e000::/35", prefixStr(35));
+ EXPECT_EQ("ffff:ffff:f000::/36", prefixStr(36));
+ EXPECT_EQ("ffff:ffff:f800::/37", prefixStr(37));
+ EXPECT_EQ("ffff:ffff:fc00::/38", prefixStr(38));
+ EXPECT_EQ("ffff:ffff:fe00::/39", prefixStr(39));
+ EXPECT_EQ("ffff:ffff:ff00::/40", prefixStr(40));
+
+ EXPECT_EQ("ffff:ffff:ff80::/41", prefixStr(41));
+ EXPECT_EQ("ffff:ffff:ffc0::/42", prefixStr(42));
+ EXPECT_EQ("ffff:ffff:ffe0::/43", prefixStr(43));
+ EXPECT_EQ("ffff:ffff:fff0::/44", prefixStr(44));
+ EXPECT_EQ("ffff:ffff:fff8::/45", prefixStr(45));
+ EXPECT_EQ("ffff:ffff:fffc::/46", prefixStr(46));
+ EXPECT_EQ("ffff:ffff:fffe::/47", prefixStr(47));
+ EXPECT_EQ("ffff:ffff:ffff::/48", prefixStr(48));
+
+ EXPECT_EQ("ffff:ffff:ffff:8000::/49", prefixStr(49));
+ EXPECT_EQ("ffff:ffff:ffff:c000::/50", prefixStr(50));
+ EXPECT_EQ("ffff:ffff:ffff:e000::/51", prefixStr(51));
+ EXPECT_EQ("ffff:ffff:ffff:f000::/52", prefixStr(52));
+ EXPECT_EQ("ffff:ffff:ffff:f800::/53", prefixStr(53));
+ EXPECT_EQ("ffff:ffff:ffff:fc00::/54", prefixStr(54));
+ EXPECT_EQ("ffff:ffff:ffff:fe00::/55", prefixStr(55));
+ EXPECT_EQ("ffff:ffff:ffff:ff00::/56", prefixStr(56));
+
+ EXPECT_EQ("ffff:ffff:ffff:ff80::/57", prefixStr(57));
+ EXPECT_EQ("ffff:ffff:ffff:ffc0::/58", prefixStr(58));
+ EXPECT_EQ("ffff:ffff:ffff:ffe0::/59", prefixStr(59));
+ EXPECT_EQ("ffff:ffff:ffff:fff0::/60", prefixStr(60));
+ EXPECT_EQ("ffff:ffff:ffff:fff8::/61", prefixStr(61));
+ EXPECT_EQ("ffff:ffff:ffff:fffc::/62", prefixStr(62));
+ EXPECT_EQ("ffff:ffff:ffff:fffe::/63", prefixStr(63));
+ EXPECT_EQ("ffff:ffff:ffff:ffff::/64", prefixStr(64));
+
+ EXPECT_EQ("ffff:ffff:ffff:ffff:8000::/65", prefixStr(65));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:c000::/66", prefixStr(66));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:e000::/67", prefixStr(67));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:f000::/68", prefixStr(68));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:f800::/69", prefixStr(69));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:fc00::/70", prefixStr(70));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:fe00::/71", prefixStr(71));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ff00::/72", prefixStr(72));
+
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ff80::/73", prefixStr(73));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffc0::/74", prefixStr(74));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffe0::/75", prefixStr(75));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:fff0::/76", prefixStr(76));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:fff8::/77", prefixStr(77));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:fffc::/78", prefixStr(78));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:fffe::/79", prefixStr(79));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff::/80", prefixStr(80));
+
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:8000::/81", prefixStr(81));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:c000::/82", prefixStr(82));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:e000::/83", prefixStr(83));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:f000::/84", prefixStr(84));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:f800::/85", prefixStr(85));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:fc00::/86", prefixStr(86));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:fe00::/87", prefixStr(87));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ff00::/88", prefixStr(88));
+
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ff80::/89", prefixStr(89));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffc0::/90", prefixStr(90));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffe0::/91", prefixStr(91));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:fff0::/92", prefixStr(92));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:fff8::/93", prefixStr(93));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:fffc::/94", prefixStr(94));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:fffe::/95", prefixStr(95));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff::/96", prefixStr(96));
+
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:8000:0/97", prefixStr(97));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:c000:0/98", prefixStr(98));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:e000:0/99", prefixStr(99));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:f000:0/100", prefixStr(100));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:f800:0/101", prefixStr(101));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:fc00:0/102", prefixStr(102));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:fe00:0/103", prefixStr(103));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ff00:0/104", prefixStr(104));
+
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ff80:0/105", prefixStr(105));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffc0:0/106", prefixStr(106));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffe0:0/107", prefixStr(107));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:fff0:0/108", prefixStr(108));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:fff8:0/109", prefixStr(109));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:fffc:0/110", prefixStr(110));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:fffe:0/111", prefixStr(111));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:0/112", prefixStr(112));
+
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:8000/113", prefixStr(113));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:c000/114", prefixStr(114));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:e000/115", prefixStr(115));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:f000/116", prefixStr(116));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:f800/117", prefixStr(117));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fc00/118", prefixStr(118));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fe00/119", prefixStr(119));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff00/120", prefixStr(120));
+
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff80/121", prefixStr(121));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffc0/122", prefixStr(122));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffe0/123", prefixStr(123));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff0/124", prefixStr(124));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff8/125", prefixStr(125));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffc/126", prefixStr(126));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe/127", prefixStr(127));
+ EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128", prefixStr(128));
+}
+
+TEST(IPPrefixTest, TruncationOther) {
+ const struct {
+ const char* ip;
+ const int cidrLen;
+ const char* ipTruncated;
+ } testExpectations[] = {
+ {"192.0.2.0", 24, "192.0.2.0"},
+ {"192.0.2.0", 23, "192.0.2.0"},
+ {"192.0.2.0", 22, "192.0.0.0"},
+ {"192.0.2.0", 1, "128.0.0.0"},
+ {"2001:db8:cafe:d00d::", 56, "2001:db8:cafe:d000::"},
+ {"2001:db8:cafe:d00d::", 48, "2001:db8:cafe::"},
+ {"2001:db8:cafe:d00d::", 47, "2001:db8:cafe::"},
+ {"2001:db8:cafe:d00d::", 46, "2001:db8:cafc::"},
+ };
+
+ int totalTests = 0;
+ for (int i = 0; i < arraysize(testExpectations); i++, totalTests++) {
+ IPAddress ip;
+ EXPECT_TRUE(IPAddress::forString(testExpectations[i].ip, &ip))
+ << "Failed to parse IP address " << testExpectations[i].ip;
+
+ IPAddress ipTruncated;
+ EXPECT_TRUE(IPAddress::forString(testExpectations[i].ipTruncated, &ipTruncated))
+ << "Failed to parse IP address " << testExpectations[i].ipTruncated;
+
+ IPPrefix prefix(ip, testExpectations[i].cidrLen);
+
+ EXPECT_EQ(testExpectations[i].cidrLen, prefix.length())
+ << "Unexpected cidrLen " << testExpectations[i].cidrLen;
+ EXPECT_EQ(ipTruncated, prefix.ip())
+ << "Unexpected IP truncation: " << prefix.ip() << ", expected: " << ipTruncated;
+ }
+ EXPECT_EQ(arraysize(testExpectations), totalTests);
+}
+
+TEST(IPPrefixTest, Equals) {
+ EXPECT_TRUE(IPPrefix() == IPPrefix());
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV4_ANY), 0) == IPPrefix(IPAddress(IPV4_ANY), 0));
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV4_ANY), IPV4_ADDR_BITS) == IPPrefix(IPAddress(IPV4_ANY)));
+ for (int i = 0; i < IPV4_ADDR_BITS; i++) {
+ EXPECT_FALSE(IPPrefix(IPAddress(IPV4_ANY), i) == IPPrefix(IPAddress(IPV4_ANY), i + 1));
+ EXPECT_FALSE(IPPrefix(IPAddress(IPV4_ONES), i) == IPPrefix(IPAddress(IPV4_ONES), i + 1));
+ }
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV6_ANY), 0) == IPPrefix(IPAddress(IPV6_ANY), 0));
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV6_ANY), IPV6_ADDR_BITS) == IPPrefix(IPAddress(IPV6_ANY)));
+ for (int i = 0; i < IPV6_ADDR_BITS; i++) {
+ EXPECT_FALSE(IPPrefix(IPAddress(IPV6_ANY), i) == IPPrefix(IPAddress(IPV6_ANY), i + 1));
+ EXPECT_FALSE(IPPrefix(IPAddress(IPV6_ONES), i) == IPPrefix(IPAddress(IPV6_ONES), i + 1));
+ }
+ // Needlessly fully-specified IPv6 link-local address.
+ EXPECT_TRUE(IPPrefix(IPAddress(FE80_1)) == IPPrefix(IPAddress(FE80_1, 0), IPV6_ADDR_BITS));
+ // Different IPv6 link-local address within the same /64, no scoped_id --> same /64.
+ EXPECT_TRUE(IPPrefix(IPAddress(FE80_1), 64) == IPPrefix(IPAddress(FE80_2), 64));
+ const uint32_t idx = 17;
+ // Different IPv6 link-local address within the same /64, same scoped_id --> same /64.
+ EXPECT_TRUE(IPPrefix(IPAddress(FE80_1, idx), 64) == IPPrefix(IPAddress(FE80_2, idx), 64));
+ // Different IPv6 link-local address within the same /64, different scoped_id --> different /64.
+ EXPECT_FALSE(IPPrefix(IPAddress(FE80_1, idx), 64) == IPPrefix(IPAddress(FE80_2, idx + 1), 64));
+}
+
+TEST(IPPrefixTest, NotEquals) {
+ EXPECT_FALSE(IPPrefix() != IPPrefix());
+ EXPECT_FALSE(IPPrefix(IPAddress(IPV4_ANY), 0) != IPPrefix(IPAddress(IPV4_ANY), 0));
+ EXPECT_FALSE(IPPrefix(IPAddress(IPV4_ANY), IPV4_ADDR_BITS) != IPPrefix(IPAddress(IPV4_ANY)));
+ for (int i = 0; i < IPV4_ADDR_BITS; i++) {
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV4_ANY), i) != IPPrefix(IPAddress(IPV4_ANY), i + 1));
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV4_ONES), i) != IPPrefix(IPAddress(IPV4_ONES), i + 1));
+ }
+ EXPECT_FALSE(IPPrefix(IPAddress(IPV6_ANY), 0) != IPPrefix(IPAddress(IPV6_ANY), 0));
+ EXPECT_FALSE(IPPrefix(IPAddress(IPV6_ANY), IPV6_ADDR_BITS) != IPPrefix(IPAddress(IPV6_ANY)));
+ for (int i = 0; i < IPV6_ADDR_BITS; i++) {
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV6_ANY), i) != IPPrefix(IPAddress(IPV6_ANY), i + 1));
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV6_ONES), i) != IPPrefix(IPAddress(IPV6_ONES), i + 1));
+ }
+ // Needlessly fully-specified IPv6 link-local address.
+ EXPECT_FALSE(IPPrefix(IPAddress(FE80_1)) != IPPrefix(IPAddress(FE80_1, 0), IPV6_ADDR_BITS));
+ // Different IPv6 link-local address within the same /64, no scoped_id --> same /64.
+ EXPECT_FALSE(IPPrefix(IPAddress(FE80_1), 64) != IPPrefix(IPAddress(FE80_2), 64));
+ const uint32_t idx = 17;
+ // Different IPv6 link-local address within the same /64, same scoped_id --> same /64.
+ EXPECT_FALSE(IPPrefix(IPAddress(FE80_1, idx), 64) != IPPrefix(IPAddress(FE80_2, idx), 64));
+ // Different IPv6 link-local address within the same /64, different scoped_id --> different /64.
+ EXPECT_TRUE(IPPrefix(IPAddress(FE80_1, idx), 64) != IPPrefix(IPAddress(FE80_2, idx + 1), 64));
+}
+
+TEST(IPPrefixTest, LessThan) {
+ EXPECT_FALSE(IPPrefix() < IPPrefix());
+
+ // Unspecified < IPv4.
+ EXPECT_TRUE(IPPrefix() < IPPrefix(IPAddress(IPV4_ANY), 0));
+ for (int i = 0; i < IPV4_ADDR_BITS; i++) {
+ // Same IPv4 base address sorts by prefix length.
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV4_ANY), i) < IPPrefix(IPAddress(IPV4_ANY), i + 1));
+ // Walk all the bits for good measure.
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV4_ONES), i) < IPPrefix(IPAddress(IPV4_ONES), i + 1));
+ // Sort by base IPv6 addresses first.
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV4_ANY), i) < IPPrefix(IPAddress::forString("0.0.0.1")));
+ }
+
+ // Unspecified < IPv6.
+ EXPECT_TRUE(IPPrefix() < IPPrefix(IPAddress(IPV6_ANY), 0));
+
+ // IPv4 < IPv6.
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV4_ANY), 0) < IPPrefix(IPAddress(IPV6_ANY), 0));
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV4_ONES)) < IPPrefix(IPAddress(IPV6_ANY)));
+ for (int i = 0; i < IPV6_ADDR_BITS; i++) {
+ // Same IPv6 base address sorts by prefix length.
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV6_ANY), i) < IPPrefix(IPAddress(IPV6_ANY), i + 1));
+ // Walk all the bits for good measure.
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV6_ONES), i) < IPPrefix(IPAddress(IPV6_ONES), i + 1));
+ // Sort by base IPv6 addresses first.
+ EXPECT_TRUE(IPPrefix(IPAddress(IPV6_ANY, i)) < IPPrefix(IPAddress(IPV6_ONES)));
+ }
+ // Scope_ids.
+ for (int i = 0; i < 100; i++) {
+ EXPECT_TRUE(IPPrefix(IPAddress(FE80_1, i), 64) < IPPrefix(IPAddress(FE80_1, i + 1), 64));
+ }
+}
+
+TEST(IPSockAddrTest, Equals) {
+ EXPECT_TRUE(IPSockAddr() == IPSockAddr());
+ EXPECT_TRUE(IPSockAddr(IPAddress(IPV4_ANY)) == IPSockAddr(IPAddress(IPV4_ANY), 0));
+ EXPECT_FALSE(IPSockAddr(IPAddress(IPV4_ANY), 53) == IPSockAddr(IPAddress(IPV4_ANY), 123));
+ EXPECT_TRUE(IPSockAddr(IPAddress(IPV6_ANY)) == IPSockAddr(IPAddress(IPV6_ANY), 0));
+ EXPECT_FALSE(IPSockAddr(IPAddress(IPV6_ANY), 53) == IPSockAddr(IPAddress(IPV6_ANY), 123));
+ EXPECT_TRUE(IPSockAddr(IPAddress(FE80_1), 80) == IPSockAddr(IPAddress(FE80_1), 80));
+ EXPECT_FALSE(IPSockAddr(IPAddress(FE80_1), 80) == IPSockAddr(IPAddress(FE80_1, 17), 80));
+ EXPECT_TRUE(IPSockAddr(IPAddress(FE80_1, 17)) == IPSockAddr(IPAddress(FE80_1, 17), 0));
+}
+
+TEST(IPSockAddrTest, NotEquals) {
+ EXPECT_FALSE(IPSockAddr() != IPSockAddr());
+ EXPECT_FALSE(IPSockAddr(IPAddress(IPV4_ANY)) != IPSockAddr(IPAddress(IPV4_ANY), 0));
+ EXPECT_TRUE(IPSockAddr(IPAddress(IPV4_ANY), 53) != IPSockAddr(IPAddress(IPV4_ANY), 123));
+ EXPECT_FALSE(IPSockAddr(IPAddress(IPV6_ANY)) != IPSockAddr(IPAddress(IPV6_ANY), 0));
+ EXPECT_TRUE(IPSockAddr(IPAddress(IPV6_ANY), 53) != IPSockAddr(IPAddress(IPV6_ANY), 123));
+ EXPECT_FALSE(IPSockAddr(IPAddress(FE80_1), 80) != IPSockAddr(IPAddress(FE80_1), 80));
+ EXPECT_TRUE(IPSockAddr(IPAddress(FE80_1), 80) != IPSockAddr(IPAddress(FE80_1, 17), 80));
+ EXPECT_FALSE(IPSockAddr(IPAddress(FE80_1, 17)) != IPSockAddr(IPAddress(FE80_1, 17), 0));
+}
+
+TEST(IPSockAddrTest, LessThan) {
+ EXPECT_FALSE(IPSockAddr() < IPSockAddr());
+
+ for (in_port_t i = 0; i < std::numeric_limits<in_port_t>::max(); i++) {
+ EXPECT_TRUE(IPSockAddr(IPAddress(IPV4_ANY), i) < IPSockAddr(IPAddress(IPV4_ANY), i + 1));
+ EXPECT_TRUE(IPSockAddr(IPAddress(IPV4_ANY), i) < IPSockAddr(IPAddress(IPV6_ANY), i));
+ EXPECT_TRUE(IPSockAddr(IPAddress(IPV6_ANY), i) < IPSockAddr(IPAddress(IPV6_ANY), i + 1));
+ EXPECT_TRUE(IPSockAddr(IPAddress(FE80_1), i) < IPSockAddr(IPAddress(FE80_1), i + 1));
+ }
+}
+
+TEST(IPSockAddrTest, toString) {
+ EXPECT_EQ("<unspecified>:0", IPSockAddr().toString());
+ EXPECT_EQ("0.0.0.0:0", IPSockAddr(IPAddress(IPV4_ANY)).toString());
+ EXPECT_EQ("255.255.255.255:67", IPSockAddr(IPAddress(IPV4_ONES), 67).toString());
+ EXPECT_EQ("[::]:0", IPSockAddr(IPAddress(IPV6_ANY)).toString());
+ EXPECT_EQ("[::1]:53", IPSockAddr(IPAddress(IPV6_LOOPBACK), 53).toString());
+ EXPECT_EQ("[fe80::1]:0", IPSockAddr(IPAddress(FE80_1)).toString());
+ EXPECT_EQ("[fe80::2%17]:123", IPSockAddr(IPAddress(FE80_2, 17), 123).toString());
+}
+
+TEST(CompatIPDataTest, ConversionsClearUnneededValues) {
+ const uint32_t idx = 17;
+ const IPSockAddr linkLocalNtpSockaddr(IPAddress(FE80_2, idx), 123);
+ EXPECT_EQ(IPAddress(FE80_2, idx), linkLocalNtpSockaddr.ip());
+ // IPSockAddr(IPSockaddr.ip()) see the port cleared.
+ EXPECT_EQ(0, IPSockAddr(linkLocalNtpSockaddr.ip()).port());
+ const IPPrefix linkLocalPrefix(linkLocalNtpSockaddr.ip(), 64);
+ EXPECT_EQ(IPAddress(FE80, idx), linkLocalPrefix.ip());
+ // IPPrefix(IPPrefix.ip()) see the CIDR length cleared.
+ EXPECT_EQ(IPV6_ADDR_BITS, IPPrefix(linkLocalPrefix.ip()).length());
+}
+
+} // namespace
+} // namespace netdutils
+} // namespace android