/* * libjingle * Copyright 2004--2011, Google Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "talk/base/gunit.h" #include "talk/base/ipaddress.h" namespace talk_base { static const unsigned int kIPv4AddrSize = 4; static const unsigned int kIPv6AddrSize = 16; static const unsigned int kIPv4RFC1918Addr = 0xC0A80701; static const unsigned int kIPv4PublicAddr = 0x01020304; static const in6_addr kIPv6LinkLocalAddr = {{{0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbe, 0x30, 0x5b, 0xff, 0xfe, 0xe5, 0x00, 0xc3}}}; static const in6_addr kIPv6PublicAddr = {{{0x24, 0x01, 0xfa, 0x00, 0x00, 0x04, 0x10, 0x00, 0xbe, 0x30, 0x5b, 0xff, 0xfe, 0xe5, 0x00, 0xc3}}}; static const in6_addr kIPv6CompatAddr = {{{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xe5, 0x00, 0xc3}}}; static const in6_addr kIPv4MappedAnyAddr = {{{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00}}}; static const in6_addr kIPv4MappedLoopbackAddr = {{{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x7f, 0x00, 0x00, 0x01}}}; static const in6_addr kIPv4MappedRFC1918Addr = {{{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xc0, 0xa8, 0x07, 0x01}}}; static const in6_addr kIPv4MappedPublicAddr = {{{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x01, 0x02, 0x03, 0x04}}}; static const in6_addr kIPv6AllNodes = {{{0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01}}}; static const std::string kIPv4AnyAddrString = "0.0.0.0"; static const std::string kIPv4LoopbackAddrString = "127.0.0.1"; static const std::string kIPv4RFC1918AddrString = "192.168.7.1"; static const std::string kIPv4PublicAddrString = "1.2.3.4"; static const std::string kIPv4PublicAddrAnonymizedString = "1.2.3.x"; static const std::string kIPv6AnyAddrString = "::"; static const std::string kIPv6LoopbackAddrString = "::1"; static const std::string kIPv6LinkLocalAddrString = "fe80::be30:5bff:fee5:c3"; static const std::string kIPv6PublicAddrString = "2401:fa00:4:1000:be30:5bff:fee5:c3"; static const std::string kIPv6PublicAddrAnonymizedString = "2401:fa00:4::"; static const std::string kIPv4MappedAnyAddrString = "::ffff:0:0"; static const std::string kIPv4MappedRFC1918AddrString = "::ffff:c0a8:701"; static const std::string kIPv4MappedLoopbackAddrString = "::ffff:7f00:1"; static const std::string kIPv4MappedPublicAddrString = "::ffff:102:0304"; static const std::string kIPv4MappedV4StyleAddrString = "::ffff:192.168.7.1"; static const std::string kIPv4BrokenString1 = "192.168.7."; static const std::string kIPv4BrokenString2 = "192.168.7.1.1"; static const std::string kIPv4BrokenString3 = "192.168.7.1:80"; static const std::string kIPv4BrokenString4 = "192.168.7.ONE"; static const std::string kIPv4BrokenString5 = "-192.168.7.1"; static const std::string kIPv4BrokenString6 = "256.168.7.1"; static const std::string kIPv6BrokenString1 = "2401:fa00:4:1000:be30"; static const std::string kIPv6BrokenString2 = "2401:fa00:4:1000:be30:5bff:fee5:c3:1"; static const std::string kIPv6BrokenString3 = "[2401:fa00:4:1000:be30:5bff:fee5:c3]:1"; static const std::string kIPv6BrokenString4 = "2401::4::be30"; static const std::string kIPv6BrokenString5 = "2401:::4:fee5:be30"; static const std::string kIPv6BrokenString6 = "2401f:fa00:4:1000:be30:5bff:fee5:c3"; static const std::string kIPv6BrokenString7 = "2401:ga00:4:1000:be30:5bff:fee5:c3"; static const std::string kIPv6BrokenString8 = "2401:fa000:4:1000:be30:5bff:fee5:c3"; static const std::string kIPv6BrokenString9 = "2401:fal0:4:1000:be30:5bff:fee5:c3"; static const std::string kIPv6BrokenString10 = "::ffff:192.168.7."; static const std::string kIPv6BrokenString11 = "::ffff:192.168.7.1.1.1"; static const std::string kIPv6BrokenString12 = "::fffe:192.168.7.1"; static const std::string kIPv6BrokenString13 = "::ffff:192.168.7.ff"; static const std::string kIPv6BrokenString14 = "0x2401:fa00:4:1000:be30:5bff:fee5:c3"; bool AreEqual(const IPAddress& addr, const IPAddress& addr2) { if ((IPIsAny(addr) != IPIsAny(addr2)) || (IPIsLoopback(addr) != IPIsLoopback(addr2)) || (IPIsPrivate(addr) != IPIsPrivate(addr2)) || (HashIP(addr) != HashIP(addr2)) || (addr.Size() != addr2.Size()) || (addr.family() != addr2.family()) || (addr.ToString() != addr2.ToString())) { return false; } in_addr v4addr, v4addr2; v4addr = addr.ipv4_address(); v4addr2 = addr2.ipv4_address(); if (0 != memcmp(&v4addr, &v4addr2, sizeof(v4addr))) { return false; } in6_addr v6addr, v6addr2; v6addr = addr.ipv6_address(); v6addr2 = addr2.ipv6_address(); if (0 != memcmp(&v6addr, &v6addr2, sizeof(v6addr))) { return false; } return true; } bool BrokenIPStringFails(const std::string& broken) { IPAddress addr(0); // Intentionally make it v4. if (IPFromString(kIPv4BrokenString1, &addr)) { return false; } return addr.family() == AF_UNSPEC; } bool CheckMaskCount(const std::string& mask, int expected_length) { IPAddress addr; return IPFromString(mask, &addr) && (expected_length == CountIPMaskBits(addr)); } bool TryInvalidMaskCount(const std::string& mask) { // We don't care about the result at all, but we do want to know if // CountIPMaskBits is going to crash or infinite loop or something. IPAddress addr; if (!IPFromString(mask, &addr)) { return false; } CountIPMaskBits(addr); return true; } bool CheckTruncateIP(const std::string& initial, int truncate_length, const std::string& expected_result) { IPAddress addr, expected; IPFromString(initial, &addr); IPFromString(expected_result, &expected); IPAddress truncated = TruncateIP(addr, truncate_length); return truncated == expected; } TEST(IPAddressTest, TestDefaultCtor) { IPAddress addr; EXPECT_FALSE(IPIsAny(addr)); EXPECT_FALSE(IPIsLoopback(addr)); EXPECT_FALSE(IPIsPrivate(addr)); EXPECT_EQ(0U, addr.Size()); EXPECT_EQ(AF_UNSPEC, addr.family()); EXPECT_EQ("", addr.ToString()); } TEST(IPAddressTest, TestInAddrCtor) { in_addr v4addr; // Test V4 Any address. v4addr.s_addr = INADDR_ANY; IPAddress addr(v4addr); EXPECT_TRUE(IPIsAny(addr)); EXPECT_FALSE(IPIsLoopback(addr)); EXPECT_FALSE(IPIsPrivate(addr)); EXPECT_EQ(kIPv4AddrSize, addr.Size()); EXPECT_EQ(kIPv4AnyAddrString, addr.ToString()); // Test a V4 loopback address. v4addr.s_addr = htonl(INADDR_LOOPBACK); addr = IPAddress(v4addr); EXPECT_FALSE(IPIsAny(addr)); EXPECT_TRUE(IPIsLoopback(addr)); EXPECT_TRUE(IPIsPrivate(addr)); EXPECT_EQ(kIPv4AddrSize, addr.Size()); EXPECT_EQ(kIPv4LoopbackAddrString, addr.ToString()); // Test an RFC1918 address. v4addr.s_addr = htonl(kIPv4RFC1918Addr); addr = IPAddress(v4addr); EXPECT_FALSE(IPIsAny(addr)); EXPECT_FALSE(IPIsLoopback(addr)); EXPECT_TRUE(IPIsPrivate(addr)); EXPECT_EQ(kIPv4AddrSize, addr.Size()); EXPECT_EQ(kIPv4RFC1918AddrString, addr.ToString()); // Test a 'normal' v4 address. v4addr.s_addr = htonl(kIPv4PublicAddr); addr = IPAddress(v4addr); EXPECT_FALSE(IPIsAny(addr)); EXPECT_FALSE(IPIsLoopback(addr)); EXPECT_FALSE(IPIsPrivate(addr)); EXPECT_EQ(kIPv4AddrSize, addr.Size()); EXPECT_EQ(kIPv4PublicAddrString, addr.ToString()); } TEST(IPAddressTest, TestInAddr6Ctor) { // Test v6 empty. IPAddress addr(in6addr_any); EXPECT_TRUE(IPIsAny(addr)); EXPECT_FALSE(IPIsLoopback(addr)); EXPECT_FALSE(IPIsPrivate(addr)); EXPECT_EQ(kIPv6AddrSize, addr.Size()); EXPECT_EQ(kIPv6AnyAddrString, addr.ToString()); // Test v6 loopback. addr = IPAddress(in6addr_loopback); EXPECT_FALSE(IPIsAny(addr)); EXPECT_TRUE(IPIsLoopback(addr)); EXPECT_TRUE(IPIsPrivate(addr)); EXPECT_EQ(kIPv6AddrSize, addr.Size()); EXPECT_EQ(kIPv6LoopbackAddrString, addr.ToString()); // Test v6 link-local. addr = IPAddress(kIPv6LinkLocalAddr); EXPECT_FALSE(IPIsAny(addr)); EXPECT_FALSE(IPIsLoopback(addr)); EXPECT_TRUE(IPIsPrivate(addr)); EXPECT_EQ(kIPv6AddrSize, addr.Size()); EXPECT_EQ(kIPv6LinkLocalAddrString, addr.ToString()); // Test v6 global address. addr = IPAddress(kIPv6PublicAddr); EXPECT_FALSE(IPIsAny(addr)); EXPECT_FALSE(IPIsLoopback(addr)); EXPECT_FALSE(IPIsPrivate(addr)); EXPECT_EQ(kIPv6AddrSize, addr.Size()); EXPECT_EQ(kIPv6PublicAddrString, addr.ToString()); } TEST(IPAddressTest, TestUint32Ctor) { // Test V4 Any address. IPAddress addr(0); EXPECT_TRUE(IPIsAny(addr)); EXPECT_FALSE(IPIsLoopback(addr)); EXPECT_FALSE(IPIsPrivate(addr)); EXPECT_EQ(kIPv4AddrSize, addr.Size()); EXPECT_EQ(kIPv4AnyAddrString, addr.ToString()); // Test a V4 loopback address. addr = IPAddress(INADDR_LOOPBACK); EXPECT_FALSE(IPIsAny(addr)); EXPECT_TRUE(IPIsLoopback(addr)); EXPECT_TRUE(IPIsPrivate(addr)); EXPECT_EQ(kIPv4AddrSize, addr.Size()); EXPECT_EQ(kIPv4LoopbackAddrString, addr.ToString()); // Test an RFC1918 address. addr = IPAddress(kIPv4RFC1918Addr); EXPECT_FALSE(IPIsAny(addr)); EXPECT_FALSE(IPIsLoopback(addr)); EXPECT_TRUE(IPIsPrivate(addr)); EXPECT_EQ(kIPv4AddrSize, addr.Size()); EXPECT_EQ(kIPv4RFC1918AddrString, addr.ToString()); // Test a 'normal' v4 address. addr = IPAddress(kIPv4PublicAddr); EXPECT_FALSE(IPIsAny(addr)); EXPECT_FALSE(IPIsLoopback(addr)); EXPECT_FALSE(IPIsPrivate(addr)); EXPECT_EQ(kIPv4AddrSize, addr.Size()); EXPECT_EQ(kIPv4PublicAddrString, addr.ToString()); } TEST(IPAddressTest, TestCopyCtor) { in_addr v4addr; v4addr.s_addr = htonl(kIPv4PublicAddr); IPAddress addr(v4addr); IPAddress addr2(addr); EXPECT_PRED2(AreEqual, addr, addr2); addr = IPAddress(INADDR_ANY); addr2 = IPAddress(addr); EXPECT_PRED2(AreEqual, addr, addr2); addr = IPAddress(INADDR_LOOPBACK); addr2 = IPAddress(addr); EXPECT_PRED2(AreEqual, addr, addr2); addr = IPAddress(kIPv4PublicAddr); addr2 = IPAddress(addr); EXPECT_PRED2(AreEqual, addr, addr2); addr = IPAddress(kIPv4RFC1918Addr); addr2 = IPAddress(addr); EXPECT_PRED2(AreEqual, addr, addr2); addr = IPAddress(in6addr_any); addr2 = IPAddress(addr); EXPECT_PRED2(AreEqual, addr, addr2); addr = IPAddress(in6addr_loopback); addr2 = IPAddress(addr); EXPECT_PRED2(AreEqual, addr, addr2); addr = IPAddress(kIPv6LinkLocalAddr); addr2 = IPAddress(addr); EXPECT_PRED2(AreEqual, addr, addr2); addr = IPAddress(kIPv6PublicAddr); addr2 = IPAddress(addr); EXPECT_PRED2(AreEqual, addr, addr2); } TEST(IPAddressTest, TestEquality) { // Check v4 equality in_addr v4addr, v4addr2; v4addr.s_addr = htonl(kIPv4PublicAddr); v4addr2.s_addr = htonl(kIPv4PublicAddr + 1); IPAddress addr(v4addr); IPAddress addr2(v4addr2); IPAddress addr3(v4addr); EXPECT_TRUE(addr == addr); EXPECT_TRUE(addr2 == addr2); EXPECT_TRUE(addr3 == addr3); EXPECT_TRUE(addr == addr3); EXPECT_TRUE(addr3 == addr); EXPECT_FALSE(addr2 == addr); EXPECT_FALSE(addr2 == addr3); EXPECT_FALSE(addr == addr2); EXPECT_FALSE(addr3 == addr2); // Check v6 equality IPAddress addr4(kIPv6PublicAddr); IPAddress addr5(kIPv6LinkLocalAddr); IPAddress addr6(kIPv6PublicAddr); EXPECT_TRUE(addr4 == addr4); EXPECT_TRUE(addr5 == addr5); EXPECT_TRUE(addr4 == addr6); EXPECT_TRUE(addr6 == addr4); EXPECT_FALSE(addr4 == addr5); EXPECT_FALSE(addr5 == addr4); EXPECT_FALSE(addr6 == addr5); EXPECT_FALSE(addr5 == addr6); // Check v4/v6 cross-equality EXPECT_FALSE(addr == addr4); EXPECT_FALSE(addr == addr5); EXPECT_FALSE(addr == addr6); EXPECT_FALSE(addr4 == addr); EXPECT_FALSE(addr5 == addr); EXPECT_FALSE(addr6 == addr); EXPECT_FALSE(addr2 == addr4); EXPECT_FALSE(addr2 == addr5); EXPECT_FALSE(addr2 == addr6); EXPECT_FALSE(addr4 == addr2); EXPECT_FALSE(addr5 == addr2); EXPECT_FALSE(addr6 == addr2); EXPECT_FALSE(addr3 == addr4); EXPECT_FALSE(addr3 == addr5); EXPECT_FALSE(addr3 == addr6); EXPECT_FALSE(addr4 == addr3); EXPECT_FALSE(addr5 == addr3); EXPECT_FALSE(addr6 == addr3); // Special cases: loopback and any. // They're special but they're still not equal. IPAddress v4loopback(htonl(INADDR_LOOPBACK)); IPAddress v6loopback(in6addr_loopback); EXPECT_FALSE(v4loopback == v6loopback); IPAddress v4any(0); IPAddress v6any(in6addr_any); EXPECT_FALSE(v4any == v6any); } TEST(IPAddressTest, TestComparison) { // Defined in 'ascending' order. // v6 > v4, and intra-family sorting is purely numerical IPAddress addr0; // AF_UNSPEC IPAddress addr1(INADDR_ANY); // 0.0.0.0 IPAddress addr2(kIPv4PublicAddr); // 1.2.3.4 IPAddress addr3(INADDR_LOOPBACK); // 127.0.0.1 IPAddress addr4(kIPv4RFC1918Addr); // 192.168.7.1. IPAddress addr5(in6addr_any); // :: IPAddress addr6(in6addr_loopback); // ::1 IPAddress addr7(kIPv6PublicAddr); // 2401.... IPAddress addr8(kIPv6LinkLocalAddr); // fe80.... EXPECT_TRUE(addr0 < addr1); EXPECT_TRUE(addr1 < addr2); EXPECT_TRUE(addr2 < addr3); EXPECT_TRUE(addr3 < addr4); EXPECT_TRUE(addr4 < addr5); EXPECT_TRUE(addr5 < addr6); EXPECT_TRUE(addr6 < addr7); EXPECT_TRUE(addr7 < addr8); EXPECT_FALSE(addr0 > addr1); EXPECT_FALSE(addr1 > addr2); EXPECT_FALSE(addr2 > addr3); EXPECT_FALSE(addr3 > addr4); EXPECT_FALSE(addr4 > addr5); EXPECT_FALSE(addr5 > addr6); EXPECT_FALSE(addr6 > addr7); EXPECT_FALSE(addr7 > addr8); EXPECT_FALSE(addr0 > addr0); EXPECT_FALSE(addr1 > addr1); EXPECT_FALSE(addr2 > addr2); EXPECT_FALSE(addr3 > addr3); EXPECT_FALSE(addr4 > addr4); EXPECT_FALSE(addr5 > addr5); EXPECT_FALSE(addr6 > addr6); EXPECT_FALSE(addr7 > addr7); EXPECT_FALSE(addr8 > addr8); EXPECT_FALSE(addr0 < addr0); EXPECT_FALSE(addr1 < addr1); EXPECT_FALSE(addr2 < addr2); EXPECT_FALSE(addr3 < addr3); EXPECT_FALSE(addr4 < addr4); EXPECT_FALSE(addr5 < addr5); EXPECT_FALSE(addr6 < addr6); EXPECT_FALSE(addr7 < addr7); EXPECT_FALSE(addr8 < addr8); } TEST(IPAddressTest, TestFromString) { IPAddress addr; IPAddress addr2; addr2 = IPAddress(INADDR_ANY); EXPECT_TRUE(IPFromString(kIPv4AnyAddrString, &addr)); EXPECT_EQ(addr.ToString(), kIPv4AnyAddrString); EXPECT_PRED2(AreEqual, addr, addr2); addr2 = IPAddress(INADDR_LOOPBACK); EXPECT_TRUE(IPFromString(kIPv4LoopbackAddrString, &addr)); EXPECT_EQ(addr.ToString(), kIPv4LoopbackAddrString); EXPECT_PRED2(AreEqual, addr, addr2); addr2 = IPAddress(kIPv4RFC1918Addr); EXPECT_TRUE(IPFromString(kIPv4RFC1918AddrString, &addr)); EXPECT_EQ(addr.ToString(), kIPv4RFC1918AddrString); EXPECT_PRED2(AreEqual, addr, addr2); addr2 = IPAddress(kIPv4PublicAddr); EXPECT_TRUE(IPFromString(kIPv4PublicAddrString, &addr)); EXPECT_EQ(addr.ToString(), kIPv4PublicAddrString); EXPECT_PRED2(AreEqual, addr, addr2); addr2 = IPAddress(in6addr_any); EXPECT_TRUE(IPFromString(kIPv6AnyAddrString, &addr)); EXPECT_EQ(addr.ToString(), kIPv6AnyAddrString); EXPECT_PRED2(AreEqual, addr, addr2); addr2 = IPAddress(in6addr_loopback); EXPECT_TRUE(IPFromString(kIPv6LoopbackAddrString, &addr)); EXPECT_EQ(addr.ToString(), kIPv6LoopbackAddrString); EXPECT_PRED2(AreEqual, addr, addr2); addr2 = IPAddress(kIPv6LinkLocalAddr); EXPECT_TRUE(IPFromString(kIPv6LinkLocalAddrString, &addr)); EXPECT_EQ(addr.ToString(), kIPv6LinkLocalAddrString); EXPECT_PRED2(AreEqual, addr, addr2); addr2 = IPAddress(kIPv6PublicAddr); EXPECT_TRUE(IPFromString(kIPv6PublicAddrString, &addr)); EXPECT_EQ(addr.ToString(), kIPv6PublicAddrString); EXPECT_PRED2(AreEqual, addr, addr2); addr2 = IPAddress(kIPv4MappedRFC1918Addr); EXPECT_TRUE(IPFromString(kIPv4MappedV4StyleAddrString, &addr)); EXPECT_PRED2(AreEqual, addr, addr2); // Broken cases, should set addr to AF_UNSPEC. EXPECT_PRED1(BrokenIPStringFails, kIPv4BrokenString1); EXPECT_PRED1(BrokenIPStringFails, kIPv4BrokenString2); EXPECT_PRED1(BrokenIPStringFails, kIPv4BrokenString3); EXPECT_PRED1(BrokenIPStringFails, kIPv4BrokenString4); EXPECT_PRED1(BrokenIPStringFails, kIPv4BrokenString5); EXPECT_PRED1(BrokenIPStringFails, kIPv4BrokenString6); EXPECT_PRED1(BrokenIPStringFails, kIPv6BrokenString1); EXPECT_PRED1(BrokenIPStringFails, kIPv6BrokenString2); EXPECT_PRED1(BrokenIPStringFails, kIPv6BrokenString3); EXPECT_PRED1(BrokenIPStringFails, kIPv6BrokenString4); EXPECT_PRED1(BrokenIPStringFails, kIPv6BrokenString5); EXPECT_PRED1(BrokenIPStringFails, kIPv6BrokenString6); EXPECT_PRED1(BrokenIPStringFails, kIPv6BrokenString7); EXPECT_PRED1(BrokenIPStringFails, kIPv6BrokenString8); EXPECT_PRED1(BrokenIPStringFails, kIPv6BrokenString9); EXPECT_PRED1(BrokenIPStringFails, kIPv6BrokenString10); EXPECT_PRED1(BrokenIPStringFails, kIPv6BrokenString11); EXPECT_PRED1(BrokenIPStringFails, kIPv6BrokenString12); EXPECT_PRED1(BrokenIPStringFails, kIPv6BrokenString13); EXPECT_PRED1(BrokenIPStringFails, kIPv6BrokenString14); } TEST(IPAddressTest, TestIPFromAddrInfo) { struct sockaddr_in expected4; struct sockaddr_in6 expected6; struct addrinfo test_info; struct addrinfo next_info; memset(&next_info, 'A', sizeof(next_info)); test_info.ai_next = &next_info; // Check that we can get an IPv4 address out. test_info.ai_addr = reinterpret_cast(&expected4); expected4.sin_addr.s_addr = HostToNetwork32(kIPv4PublicAddr); expected4.sin_family = AF_INET; IPAddress expected(kIPv4PublicAddr); IPAddress addr; EXPECT_TRUE(IPFromAddrInfo(&test_info, &addr)); EXPECT_EQ(expected, addr); // Check that we can get an IPv6 address out. expected6.sin6_addr = kIPv6PublicAddr; expected6.sin6_family = AF_INET6; expected = IPAddress(kIPv6PublicAddr); test_info.ai_addr = reinterpret_cast(&expected6); EXPECT_TRUE(IPFromAddrInfo(&test_info, &addr)); EXPECT_EQ(expected, addr); // Check that unspec fails. expected6.sin6_family = AF_UNSPEC; EXPECT_FALSE(IPFromAddrInfo(&test_info, &addr)); // Check a zeroed out addrinfo doesn't crash us. memset(&next_info, 0, sizeof(next_info)); EXPECT_FALSE(IPFromAddrInfo(&next_info, &addr)); } TEST(IPAddressTest, TestIsPrivate) { EXPECT_FALSE(IPIsPrivate(IPAddress(INADDR_ANY))); EXPECT_FALSE(IPIsPrivate(IPAddress(kIPv4PublicAddr))); EXPECT_FALSE(IPIsPrivate(IPAddress(in6addr_any))); EXPECT_FALSE(IPIsPrivate(IPAddress(kIPv6PublicAddr))); EXPECT_FALSE(IPIsPrivate(IPAddress(kIPv4MappedAnyAddr))); EXPECT_FALSE(IPIsPrivate(IPAddress(kIPv4MappedPublicAddr))); EXPECT_TRUE(IPIsPrivate(IPAddress(kIPv4RFC1918Addr))); EXPECT_TRUE(IPIsPrivate(IPAddress(INADDR_LOOPBACK))); EXPECT_TRUE(IPIsPrivate(IPAddress(in6addr_loopback))); EXPECT_TRUE(IPIsPrivate(IPAddress(kIPv6LinkLocalAddr))); } TEST(IPAddressTest, TestIsLoopback) { EXPECT_FALSE(IPIsLoopback(IPAddress(INADDR_ANY))); EXPECT_FALSE(IPIsLoopback(IPAddress(kIPv4PublicAddr))); EXPECT_FALSE(IPIsLoopback(IPAddress(in6addr_any))); EXPECT_FALSE(IPIsLoopback(IPAddress(kIPv6PublicAddr))); EXPECT_FALSE(IPIsLoopback(IPAddress(kIPv4MappedAnyAddr))); EXPECT_FALSE(IPIsLoopback(IPAddress(kIPv4MappedPublicAddr))); EXPECT_TRUE(IPIsLoopback(IPAddress(INADDR_LOOPBACK))); EXPECT_TRUE(IPIsLoopback(IPAddress(in6addr_loopback))); } TEST(IPAddressTest, TestNormalized) { // Check normalizing a ::ffff:a.b.c.d address. IPAddress addr; EXPECT_TRUE(IPFromString(kIPv4MappedV4StyleAddrString, &addr)); IPAddress addr2(kIPv4RFC1918Addr); addr = addr.Normalized(); EXPECT_EQ(addr2, addr); // Check normalizing a ::ffff:aabb:ccdd address. addr = IPAddress(kIPv4MappedPublicAddr); addr2 = IPAddress(kIPv4PublicAddr); addr = addr.Normalized(); EXPECT_EQ(addr, addr2); // Check that a non-mapped v6 addresses isn't altered. addr = IPAddress(kIPv6PublicAddr); addr2 = IPAddress(kIPv6PublicAddr); addr = addr.Normalized(); EXPECT_EQ(addr, addr2); // Check that addresses that look a bit like mapped addresses aren't altered EXPECT_TRUE(IPFromString("fe80::ffff:0102:0304", &addr)); addr2 = addr; addr = addr.Normalized(); EXPECT_EQ(addr, addr2); EXPECT_TRUE(IPFromString("::0102:0304", &addr)); addr2 = addr; addr = addr.Normalized(); EXPECT_EQ(addr, addr2); // This string should 'work' as an IP address but is not a mapped address, // so it shouldn't change on normalization. EXPECT_TRUE(IPFromString("::192.168.7.1", &addr)); addr2 = addr; addr = addr.Normalized(); EXPECT_EQ(addr, addr2); // Check that v4 addresses aren't altered. addr = IPAddress(htonl(kIPv4PublicAddr)); addr2 = IPAddress(htonl(kIPv4PublicAddr)); addr = addr.Normalized(); EXPECT_EQ(addr, addr2); } TEST(IPAddressTest, TestAsIPv6Address) { IPAddress addr(kIPv4PublicAddr); IPAddress addr2(kIPv4MappedPublicAddr); addr = addr.AsIPv6Address(); EXPECT_EQ(addr, addr2); addr = IPAddress(kIPv4MappedPublicAddr); addr2 = IPAddress(kIPv4MappedPublicAddr); addr = addr.AsIPv6Address(); EXPECT_EQ(addr, addr2); addr = IPAddress(kIPv6PublicAddr); addr2 = IPAddress(kIPv6PublicAddr); addr = addr.AsIPv6Address(); EXPECT_EQ(addr, addr2); } TEST(IPAddressTest, TestCountIPMaskBits) { IPAddress mask; // IPv4 on byte boundaries EXPECT_PRED2(CheckMaskCount, "255.255.255.255", 32); EXPECT_PRED2(CheckMaskCount, "255.255.255.0", 24); EXPECT_PRED2(CheckMaskCount, "255.255.0.0", 16); EXPECT_PRED2(CheckMaskCount, "255.0.0.0", 8); EXPECT_PRED2(CheckMaskCount, "0.0.0.0", 0); // IPv4 not on byte boundaries EXPECT_PRED2(CheckMaskCount, "128.0.0.0", 1); EXPECT_PRED2(CheckMaskCount, "224.0.0.0", 3); EXPECT_PRED2(CheckMaskCount, "255.248.0.0", 13); EXPECT_PRED2(CheckMaskCount, "255.255.224.0", 19); EXPECT_PRED2(CheckMaskCount, "255.255.255.252", 30); // V6 on byte boundaries EXPECT_PRED2(CheckMaskCount, "::", 0); EXPECT_PRED2(CheckMaskCount, "ff00::", 8); EXPECT_PRED2(CheckMaskCount, "ffff::", 16); EXPECT_PRED2(CheckMaskCount, "ffff:ff00::", 24); EXPECT_PRED2(CheckMaskCount, "ffff:ffff::", 32); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ff00::", 40); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff::", 48); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ff00::", 56); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff::", 64); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:ff00::", 72); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:ffff::", 80); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:ffff:ff00::", 88); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:ffff:ffff::", 96); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:ffff:ffff:ff00:0000", 104); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:0000", 112); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff00", 120); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 128); // V6 not on byte boundaries. EXPECT_PRED2(CheckMaskCount, "8000::", 1); EXPECT_PRED2(CheckMaskCount, "ff80::", 9); EXPECT_PRED2(CheckMaskCount, "ffff:fe00::", 23); EXPECT_PRED2(CheckMaskCount, "ffff:fffe::", 31); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:e000::", 35); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffe0::", 43); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:f800::", 53); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:fff8::", 61); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:fc00::", 70); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:fffc::", 78); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:ffff:8000::", 81); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:ffff:ff80::", 89); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:ffff:ffff:fe00::", 103); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:ffff:ffff:fffe:0000", 111); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:fc00", 118); EXPECT_PRED2(CheckMaskCount, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffc", 126); // Non-contiguous ranges. These are invalid but lets test them // to make sure they don't crash anything or infinite loop or something. EXPECT_PRED1(TryInvalidMaskCount, "217.0.0.0"); EXPECT_PRED1(TryInvalidMaskCount, "255.185.0.0"); EXPECT_PRED1(TryInvalidMaskCount, "255.255.251.0"); EXPECT_PRED1(TryInvalidMaskCount, "255.255.251.255"); EXPECT_PRED1(TryInvalidMaskCount, "255.255.254.201"); EXPECT_PRED1(TryInvalidMaskCount, "::1"); EXPECT_PRED1(TryInvalidMaskCount, "fe80::1"); EXPECT_PRED1(TryInvalidMaskCount, "ff80::1"); EXPECT_PRED1(TryInvalidMaskCount, "ffff::1"); EXPECT_PRED1(TryInvalidMaskCount, "ffff:ff00:1::1"); EXPECT_PRED1(TryInvalidMaskCount, "ffff:ffff::ffff:1"); EXPECT_PRED1(TryInvalidMaskCount, "ffff:ffff:ff00:1::"); EXPECT_PRED1(TryInvalidMaskCount, "ffff:ffff:ffff::ff00"); EXPECT_PRED1(TryInvalidMaskCount, "ffff:ffff:ffff:ff00:1234::"); EXPECT_PRED1(TryInvalidMaskCount, "ffff:ffff:ffff:ffff:0012::ffff"); EXPECT_PRED1(TryInvalidMaskCount, "ffff:ffff:ffff:ffff:ff01::"); EXPECT_PRED1(TryInvalidMaskCount, "ffff:ffff:ffff:ffff:ffff:7f00::"); EXPECT_PRED1(TryInvalidMaskCount, "ffff:ffff:ffff:ffff:ffff:ff7a::"); EXPECT_PRED1(TryInvalidMaskCount, "ffff:ffff:ffff:ffff:ffff:ffff:7f00:0000"); EXPECT_PRED1(TryInvalidMaskCount, "ffff:ffff:ffff:ffff:ffff:ffff:ff70:0000"); EXPECT_PRED1(TryInvalidMaskCount, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:0211"); EXPECT_PRED1(TryInvalidMaskCount, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff7f"); } TEST(IPAddressTest, TestTruncateIP) { EXPECT_PRED3(CheckTruncateIP, "255.255.255.255", 24, "255.255.255.0"); EXPECT_PRED3(CheckTruncateIP, "255.255.255.255", 16, "255.255.0.0"); EXPECT_PRED3(CheckTruncateIP, "255.255.255.255", 8, "255.0.0.0"); EXPECT_PRED3(CheckTruncateIP, "202.67.7.255", 24, "202.67.7.0"); EXPECT_PRED3(CheckTruncateIP, "202.129.65.205", 16, "202.129.0.0"); EXPECT_PRED3(CheckTruncateIP, "55.25.2.77", 8, "55.0.0.0"); EXPECT_PRED3(CheckTruncateIP, "74.128.99.254", 1, "0.0.0.0"); EXPECT_PRED3(CheckTruncateIP, "106.55.99.254", 3, "96.0.0.0"); EXPECT_PRED3(CheckTruncateIP, "172.167.53.222", 13, "172.160.0.0"); EXPECT_PRED3(CheckTruncateIP, "255.255.224.0", 18, "255.255.192.0"); EXPECT_PRED3(CheckTruncateIP, "255.255.255.252", 28, "255.255.255.240"); EXPECT_PRED3(CheckTruncateIP, "fe80:1111:2222:3333:4444:5555:6666:7777", 1, "8000::"); EXPECT_PRED3(CheckTruncateIP, "fff0:1111:2222:3333:4444:5555:6666:7777", 9, "ff80::"); EXPECT_PRED3(CheckTruncateIP, "ffff:ff80:1111:2222:3333:4444:5555:6666", 23, "ffff:fe00::"); EXPECT_PRED3(CheckTruncateIP, "ffff:ff80:1111:2222:3333:4444:5555:6666", 32, "ffff:ff80::"); EXPECT_PRED3(CheckTruncateIP, "2400:f9af:e456:1111:2222:3333:4444:5555", 35, "2400:f9af:e000::"); EXPECT_PRED3(CheckTruncateIP, "9999:1111:2233:4444:5555:6666:7777:8888", 53, "9999:1111:2233:4000::"); EXPECT_PRED3(CheckTruncateIP, "9999:1111:2233:4567:5555:6666:7777:8888", 64, "9999:1111:2233:4567::"); EXPECT_PRED3(CheckTruncateIP, "1111:2222:3333:4444:5555:6666:7777:8888", 68, "1111:2222:3333:4444:5000::"); EXPECT_PRED3(CheckTruncateIP, "1111:2222:3333:4444:5555:6666:7777:8888", 92, "1111:2222:3333:4444:5555:6660::"); EXPECT_PRED3(CheckTruncateIP, "1111:2222:3333:4444:5555:6666:7777:8888", 96, "1111:2222:3333:4444:5555:6666::"); EXPECT_PRED3(CheckTruncateIP, "1111:2222:3333:4444:5555:6666:7777:8888", 105, "1111:2222:3333:4444:5555:6666:7700::"); EXPECT_PRED3(CheckTruncateIP, "1111:2222:3333:4444:5555:6666:7777:8888", 124, "1111:2222:3333:4444:5555:6666:7777:8880"); // Slightly degenerate cases EXPECT_PRED3(CheckTruncateIP, "202.165.33.127", 32, "202.165.33.127"); EXPECT_PRED3(CheckTruncateIP, "235.105.77.12", 0, "0.0.0.0"); EXPECT_PRED3(CheckTruncateIP, "1111:2222:3333:4444:5555:6666:7777:8888", 128, "1111:2222:3333:4444:5555:6666:7777:8888"); EXPECT_PRED3(CheckTruncateIP, "1111:2222:3333:4444:5555:6666:7777:8888", 0, "::"); } TEST(IPAddressTest, TestCategorizeIPv6) { // Test determining if an IPAddress is 6Bone/6To4/Teredo/etc. // IPv4 address, should be none of these (not even v4compat/v4mapped). IPAddress v4_addr(kIPv4PublicAddr); EXPECT_FALSE(IPIs6Bone(v4_addr)); EXPECT_FALSE(IPIs6To4(v4_addr)); EXPECT_FALSE(IPIsSiteLocal(v4_addr)); EXPECT_FALSE(IPIsTeredo(v4_addr)); EXPECT_FALSE(IPIsULA(v4_addr)); EXPECT_FALSE(IPIsV4Compatibility(v4_addr)); EXPECT_FALSE(IPIsV4Mapped(v4_addr)); // Linklocal (fe80::/16) adddress; should be none of these. IPAddress linklocal_addr(kIPv6LinkLocalAddr); EXPECT_FALSE(IPIs6Bone(linklocal_addr)); EXPECT_FALSE(IPIs6To4(linklocal_addr)); EXPECT_FALSE(IPIsSiteLocal(linklocal_addr)); EXPECT_FALSE(IPIsTeredo(linklocal_addr)); EXPECT_FALSE(IPIsULA(linklocal_addr)); EXPECT_FALSE(IPIsV4Compatibility(linklocal_addr)); EXPECT_FALSE(IPIsV4Mapped(linklocal_addr)); // 'Normal' IPv6 address, should also be none of these. IPAddress normal_addr(kIPv6PublicAddr); EXPECT_FALSE(IPIs6Bone(normal_addr)); EXPECT_FALSE(IPIs6To4(normal_addr)); EXPECT_FALSE(IPIsSiteLocal(normal_addr)); EXPECT_FALSE(IPIsTeredo(normal_addr)); EXPECT_FALSE(IPIsULA(normal_addr)); EXPECT_FALSE(IPIsV4Compatibility(normal_addr)); EXPECT_FALSE(IPIsV4Mapped(normal_addr)); // IPv4 mapped address (::ffff:123.123.123.123) IPAddress v4mapped_addr(kIPv4MappedPublicAddr); EXPECT_TRUE(IPIsV4Mapped(v4mapped_addr)); EXPECT_FALSE(IPIsV4Compatibility(v4mapped_addr)); EXPECT_FALSE(IPIs6Bone(v4mapped_addr)); EXPECT_FALSE(IPIs6To4(v4mapped_addr)); EXPECT_FALSE(IPIsSiteLocal(v4mapped_addr)); EXPECT_FALSE(IPIsTeredo(v4mapped_addr)); EXPECT_FALSE(IPIsULA(v4mapped_addr)); // IPv4 compatibility address (::123.123.123.123) IPAddress v4compat_addr; IPFromString("::192.168.7.1", &v4compat_addr); EXPECT_TRUE(IPIsV4Compatibility(v4compat_addr)); EXPECT_FALSE(IPIs6Bone(v4compat_addr)); EXPECT_FALSE(IPIs6To4(v4compat_addr)); EXPECT_FALSE(IPIsSiteLocal(v4compat_addr)); EXPECT_FALSE(IPIsTeredo(v4compat_addr)); EXPECT_FALSE(IPIsULA(v4compat_addr)); EXPECT_FALSE(IPIsV4Mapped(v4compat_addr)); // 6Bone address (3FFE::/16) IPAddress sixbone_addr; IPFromString("3FFE:123:456::789:123", &sixbone_addr); EXPECT_TRUE(IPIs6Bone(sixbone_addr)); EXPECT_FALSE(IPIs6To4(sixbone_addr)); EXPECT_FALSE(IPIsSiteLocal(sixbone_addr)); EXPECT_FALSE(IPIsTeredo(sixbone_addr)); EXPECT_FALSE(IPIsULA(sixbone_addr)); EXPECT_FALSE(IPIsV4Mapped(sixbone_addr)); EXPECT_FALSE(IPIsV4Compatibility(sixbone_addr)); // Unique Local Address (FC::/7) IPAddress ula_addr; IPFromString("FC00:123:456::789:123", &ula_addr); EXPECT_TRUE(IPIsULA(ula_addr)); EXPECT_FALSE(IPIs6Bone(ula_addr)); EXPECT_FALSE(IPIs6To4(ula_addr)); EXPECT_FALSE(IPIsSiteLocal(ula_addr)); EXPECT_FALSE(IPIsTeredo(ula_addr)); EXPECT_FALSE(IPIsV4Mapped(ula_addr)); EXPECT_FALSE(IPIsV4Compatibility(ula_addr)); // 6To4 Address (2002::/16) IPAddress sixtofour_addr; IPFromString("2002:123:456::789:123", &sixtofour_addr); EXPECT_TRUE(IPIs6To4(sixtofour_addr)); EXPECT_FALSE(IPIs6Bone(sixtofour_addr)); EXPECT_FALSE(IPIsSiteLocal(sixtofour_addr)); EXPECT_FALSE(IPIsTeredo(sixtofour_addr)); EXPECT_FALSE(IPIsULA(sixtofour_addr)); EXPECT_FALSE(IPIsV4Compatibility(sixtofour_addr)); EXPECT_FALSE(IPIsV4Mapped(sixtofour_addr)); // Site Local address (FEC0::/10) IPAddress sitelocal_addr; IPFromString("FEC0:123:456::789:123", &sitelocal_addr); EXPECT_TRUE(IPIsSiteLocal(sitelocal_addr)); EXPECT_FALSE(IPIs6Bone(sitelocal_addr)); EXPECT_FALSE(IPIs6To4(sitelocal_addr)); EXPECT_FALSE(IPIsTeredo(sitelocal_addr)); EXPECT_FALSE(IPIsULA(sitelocal_addr)); EXPECT_FALSE(IPIsV4Compatibility(sitelocal_addr)); EXPECT_FALSE(IPIsV4Mapped(sitelocal_addr)); // Teredo Address (2001:0000::/32) IPAddress teredo_addr; IPFromString("2001:0000:123:456::789:123", &teredo_addr); EXPECT_TRUE(IPIsTeredo(teredo_addr)); EXPECT_FALSE(IPIsSiteLocal(teredo_addr)); EXPECT_FALSE(IPIs6Bone(teredo_addr)); EXPECT_FALSE(IPIs6To4(teredo_addr)); EXPECT_FALSE(IPIsULA(teredo_addr)); EXPECT_FALSE(IPIsV4Compatibility(teredo_addr)); EXPECT_FALSE(IPIsV4Mapped(teredo_addr)); } TEST(IPAddressTest, TestToSensitiveString) { IPAddress addr_v4 = IPAddress(kIPv4PublicAddr); EXPECT_EQ(kIPv4PublicAddrString, addr_v4.ToString()); EXPECT_EQ(kIPv4PublicAddrString, addr_v4.ToSensitiveString()); IPAddress::set_strip_sensitive(true); EXPECT_EQ(kIPv4PublicAddrString, addr_v4.ToString()); EXPECT_EQ(kIPv4PublicAddrAnonymizedString, addr_v4.ToSensitiveString()); IPAddress::set_strip_sensitive(false); IPAddress addr_v6 = IPAddress(kIPv6PublicAddr); EXPECT_EQ(kIPv6PublicAddrString, addr_v6.ToString()); EXPECT_EQ(kIPv6PublicAddrString, addr_v6.ToSensitiveString()); IPAddress::set_strip_sensitive(true); EXPECT_EQ(kIPv6PublicAddrString, addr_v6.ToString()); EXPECT_EQ(kIPv6PublicAddrAnonymizedString, addr_v6.ToSensitiveString()); IPAddress::set_strip_sensitive(false); } } // namespace talk_base