| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "net/base/address_list.h" |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "base/string_util.h" |
| #include "net/base/host_resolver_proc.h" |
| #include "net/base/net_util.h" |
| #include "net/base/sys_addrinfo.h" |
| #if defined(OS_WIN) |
| #include "net/base/winsock_init.h" |
| #endif |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace net { |
| namespace { |
| |
| // Use getaddrinfo() to allocate an addrinfo structure. |
| int CreateAddressList(const std::string& hostname, int port, |
| AddressList* addrlist) { |
| #if defined(OS_WIN) |
| EnsureWinsockInit(); |
| #endif |
| int rv = SystemHostResolverProc(hostname, |
| ADDRESS_FAMILY_UNSPECIFIED, |
| 0, |
| addrlist, NULL); |
| if (rv == 0) |
| addrlist->SetPort(port); |
| return rv; |
| } |
| |
| void CreateLongAddressList(AddressList* addrlist, int port) { |
| EXPECT_EQ(0, CreateAddressList("192.168.1.1", port, addrlist)); |
| AddressList second_list; |
| EXPECT_EQ(0, CreateAddressList("192.168.1.2", port, &second_list)); |
| addrlist->Append(second_list.head()); |
| } |
| |
| TEST(AddressListTest, GetPort) { |
| AddressList addrlist; |
| EXPECT_EQ(0, CreateAddressList("192.168.1.1", 81, &addrlist)); |
| EXPECT_EQ(81, addrlist.GetPort()); |
| |
| addrlist.SetPort(83); |
| EXPECT_EQ(83, addrlist.GetPort()); |
| } |
| |
| TEST(AddressListTest, Assignment) { |
| AddressList addrlist1; |
| EXPECT_EQ(0, CreateAddressList("192.168.1.1", 85, &addrlist1)); |
| EXPECT_EQ(85, addrlist1.GetPort()); |
| |
| // Should reference the same data as addrlist1 -- so when we change addrlist1 |
| // both are changed. |
| AddressList addrlist2 = addrlist1; |
| EXPECT_EQ(85, addrlist2.GetPort()); |
| |
| addrlist1.SetPort(80); |
| EXPECT_EQ(80, addrlist1.GetPort()); |
| EXPECT_EQ(80, addrlist2.GetPort()); |
| } |
| |
| TEST(AddressListTest, CopyRecursive) { |
| AddressList addrlist1; |
| CreateLongAddressList(&addrlist1, 85); |
| EXPECT_EQ(85, addrlist1.GetPort()); |
| |
| AddressList addrlist2; |
| addrlist2.Copy(addrlist1.head(), true); |
| |
| ASSERT_TRUE(addrlist2.head()->ai_next != NULL); |
| |
| // addrlist1 is the same as addrlist2 at this point. |
| EXPECT_EQ(85, addrlist1.GetPort()); |
| EXPECT_EQ(85, addrlist2.GetPort()); |
| |
| // Changes to addrlist1 are not reflected in addrlist2. |
| addrlist1.SetPort(70); |
| addrlist2.SetPort(90); |
| |
| EXPECT_EQ(70, addrlist1.GetPort()); |
| EXPECT_EQ(90, addrlist2.GetPort()); |
| } |
| |
| TEST(AddressListTest, CopyNonRecursive) { |
| AddressList addrlist1; |
| CreateLongAddressList(&addrlist1, 85); |
| EXPECT_EQ(85, addrlist1.GetPort()); |
| |
| AddressList addrlist2; |
| addrlist2.Copy(addrlist1.head(), false); |
| |
| ASSERT_TRUE(addrlist2.head()->ai_next == NULL); |
| |
| // addrlist1 is the same as addrlist2 at this point. |
| EXPECT_EQ(85, addrlist1.GetPort()); |
| EXPECT_EQ(85, addrlist2.GetPort()); |
| |
| // Changes to addrlist1 are not reflected in addrlist2. |
| addrlist1.SetPort(70); |
| addrlist2.SetPort(90); |
| |
| EXPECT_EQ(70, addrlist1.GetPort()); |
| EXPECT_EQ(90, addrlist2.GetPort()); |
| } |
| |
| TEST(AddressListTest, Append) { |
| AddressList addrlist1; |
| EXPECT_EQ(0, CreateAddressList("192.168.1.1", 11, &addrlist1)); |
| EXPECT_EQ(11, addrlist1.GetPort()); |
| AddressList addrlist2; |
| EXPECT_EQ(0, CreateAddressList("192.168.1.2", 12, &addrlist2)); |
| EXPECT_EQ(12, addrlist2.GetPort()); |
| |
| ASSERT_TRUE(addrlist1.head()->ai_next == NULL); |
| addrlist1.Append(addrlist2.head()); |
| ASSERT_TRUE(addrlist1.head()->ai_next != NULL); |
| |
| AddressList addrlist3; |
| addrlist3.Copy(addrlist1.head()->ai_next, false); |
| EXPECT_EQ(12, addrlist3.GetPort()); |
| } |
| |
| static const char* kCanonicalHostname = "canonical.bar.com"; |
| |
| TEST(AddressListTest, Canonical) { |
| // Create an addrinfo with a canonical name. |
| sockaddr_in address; |
| // The contents of address do not matter for this test, |
| // so just zero-ing them out for consistency. |
| memset(&address, 0x0, sizeof(address)); |
| struct addrinfo ai; |
| memset(&ai, 0x0, sizeof(ai)); |
| ai.ai_family = AF_INET; |
| ai.ai_socktype = SOCK_STREAM; |
| ai.ai_addrlen = sizeof(address); |
| ai.ai_addr = reinterpret_cast<sockaddr*>(&address); |
| ai.ai_canonname = const_cast<char *>(kCanonicalHostname); |
| |
| // Copy the addrinfo struct into an AddressList object and |
| // make sure it seems correct. |
| AddressList addrlist1; |
| addrlist1.Copy(&ai, true); |
| const struct addrinfo* addrinfo1 = addrlist1.head(); |
| EXPECT_TRUE(addrinfo1 != NULL); |
| EXPECT_TRUE(addrinfo1->ai_next == NULL); |
| std::string canon_name1; |
| EXPECT_TRUE(addrlist1.GetCanonicalName(&canon_name1)); |
| EXPECT_EQ("canonical.bar.com", canon_name1); |
| |
| // Copy the AddressList to another one. |
| AddressList addrlist2; |
| addrlist2.Copy(addrinfo1, true); |
| const struct addrinfo* addrinfo2 = addrlist2.head(); |
| EXPECT_TRUE(addrinfo2 != NULL); |
| EXPECT_TRUE(addrinfo2->ai_next == NULL); |
| EXPECT_TRUE(addrinfo2->ai_canonname != NULL); |
| EXPECT_NE(addrinfo1, addrinfo2); |
| EXPECT_NE(addrinfo1->ai_canonname, addrinfo2->ai_canonname); |
| std::string canon_name2; |
| EXPECT_TRUE(addrlist2.GetCanonicalName(&canon_name2)); |
| EXPECT_EQ("canonical.bar.com", canon_name2); |
| |
| // Make sure that GetCanonicalName correctly returns false |
| // when ai_canonname is NULL. |
| ai.ai_canonname = NULL; |
| AddressList addrlist_no_canon; |
| addrlist_no_canon.Copy(&ai, true); |
| std::string canon_name3 = "blah"; |
| EXPECT_FALSE(addrlist_no_canon.GetCanonicalName(&canon_name3)); |
| EXPECT_EQ("blah", canon_name3); |
| } |
| |
| TEST(AddressListTest, IPLiteralConstructor) { |
| struct TestData { |
| std::string ip_address; |
| std::string canonical_ip_address; |
| bool is_ipv6; |
| } tests[] = { |
| { "127.0.00.1", "127.0.0.1", false }, |
| { "192.168.1.1", "192.168.1.1", false }, |
| { "::1", "::1", true }, |
| { "2001:db8:0::42", "2001:db8::42", true }, |
| }; |
| for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); i++) { |
| AddressList expected_list; |
| int rv = CreateAddressList(tests[i].canonical_ip_address, 80, |
| &expected_list); |
| if (tests[i].is_ipv6 && rv != 0) { |
| LOG(WARNING) << "Unable to resolve ip literal '" << tests[i].ip_address |
| << "' test skipped."; |
| continue; |
| } |
| ASSERT_EQ(0, rv); |
| const struct addrinfo* good_ai = expected_list.head(); |
| |
| IPAddressNumber ip_number; |
| ParseIPLiteralToNumber(tests[i].ip_address, &ip_number); |
| AddressList test_list(ip_number, 80, true); |
| const struct addrinfo* test_ai = test_list.head(); |
| |
| EXPECT_EQ(good_ai->ai_family, test_ai->ai_family); |
| EXPECT_EQ(good_ai->ai_socktype, test_ai->ai_socktype); |
| EXPECT_EQ(good_ai->ai_addrlen, test_ai->ai_addrlen); |
| size_t sockaddr_size = |
| good_ai->ai_socktype == AF_INET ? sizeof(struct sockaddr_in) : |
| good_ai->ai_socktype == AF_INET6 ? sizeof(struct sockaddr_in6) : 0; |
| EXPECT_EQ(memcmp(good_ai->ai_addr, test_ai->ai_addr, sockaddr_size), 0); |
| EXPECT_EQ(good_ai->ai_next, test_ai->ai_next); |
| EXPECT_EQ(strcmp(tests[i].canonical_ip_address.c_str(), |
| test_ai->ai_canonname), 0); |
| } |
| } |
| |
| TEST(AddressListTest, AddressFromAddrInfo) { |
| struct TestData { |
| std::string ip_address; |
| std::string canonical_ip_address; |
| bool is_ipv6; |
| } tests[] = { |
| { "127.0.00.1", "127.0.0.1", false }, |
| { "192.168.1.1", "192.168.1.1", false }, |
| { "::1", "::1", true }, |
| { "2001:db8:0::42", "2001:db8::42", true }, |
| }; |
| for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); i++) { |
| AddressList expected_list; |
| int rv = CreateAddressList(tests[i].canonical_ip_address, 80, |
| &expected_list); |
| if (tests[i].is_ipv6 && rv != 0) { |
| LOG(WARNING) << "Unable to resolve ip literal '" << tests[i].ip_address |
| << "' test skipped."; |
| continue; |
| } |
| ASSERT_EQ(0, rv); |
| const struct addrinfo* good_ai = expected_list.head(); |
| |
| scoped_ptr<AddressList> test_list( |
| AddressList::CreateAddressListFromSockaddr(good_ai->ai_addr, |
| good_ai->ai_addrlen, |
| SOCK_STREAM, |
| IPPROTO_TCP)); |
| const struct addrinfo* test_ai = test_list->head(); |
| |
| EXPECT_EQ(good_ai->ai_family, test_ai->ai_family); |
| EXPECT_EQ(good_ai->ai_addrlen, test_ai->ai_addrlen); |
| size_t sockaddr_size = |
| good_ai->ai_socktype == AF_INET ? sizeof(struct sockaddr_in) : |
| good_ai->ai_socktype == AF_INET6 ? sizeof(struct sockaddr_in6) : 0; |
| EXPECT_EQ(memcmp(good_ai->ai_addr, test_ai->ai_addr, sockaddr_size), 0); |
| EXPECT_EQ(good_ai->ai_next, test_ai->ai_next); |
| } |
| } |
| |
| } // namespace |
| } // namespace net |