// This file includes tests that attempt to do real lookups // of DNS names using the local machine's live infrastructure. // As a result, we don't check the results very closely, to allow // for varying local configurations. #include "ares-test.h" #ifdef HAVE_NETDB_H #include #endif namespace ares { namespace test { // Use the address of Google's public DNS servers as example addresses that are // likely to be accessible everywhere/everywhen. unsigned char gdns_addr4[4] = {0x08, 0x08, 0x08, 0x08}; unsigned char gdns_addr6[16] = {0x20, 0x01, 0x48, 0x60, 0x48, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x88}; VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetHostByNameV4) { HostResult result; ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_LT(0, (int)result.host_.addrs_.size()); EXPECT_EQ(AF_INET, result.host_.addrtype_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetHostByNameV6) { HostResult result; ares_gethostbyname(channel_, "www.google.com.", AF_INET6, HostCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_LT(0, (int)result.host_.addrs_.size()); EXPECT_EQ(AF_INET6, result.host_.addrtype_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetHostByAddrV4) { HostResult result; ares_gethostbyaddr(channel_, gdns_addr4, sizeof(gdns_addr4), AF_INET, HostCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_LT(0, (int)result.host_.addrs_.size()); EXPECT_EQ(AF_INET, result.host_.addrtype_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetHostByAddrV6) { HostResult result; ares_gethostbyaddr(channel_, gdns_addr6, sizeof(gdns_addr6), AF_INET6, HostCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_LT(0, (int)result.host_.addrs_.size()); EXPECT_EQ(AF_INET6, result.host_.addrtype_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetHostByNameFile) { struct hostent *host = nullptr; // Still need a channel even to query /etc/hosts. EXPECT_EQ(ARES_ENOTFOUND, ares_gethostbyname_file(nullptr, "localhost", AF_INET, &host)); int rc = ares_gethostbyname_file(channel_, "bogus.mcname", AF_INET, &host); EXPECT_EQ(nullptr, host); EXPECT_EQ(ARES_ENOTFOUND, rc); rc = ares_gethostbyname_file(channel_, "localhost", AF_INET, &host); if (rc == ARES_SUCCESS) { EXPECT_NE(nullptr, host); ares_free_hostent(host); } } TEST_P(DefaultChannelModeTest, LiveGetLocalhostByNameV4) { HostResult result; ares_gethostbyname(channel_, "localhost", AF_INET, HostCallback, &result); Process(); EXPECT_TRUE(result.done_); if ((result.status_ != ARES_ENOTFOUND) && (result.status_ != ARES_ECONNREFUSED)) { EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_EQ(1, (int)result.host_.addrs_.size()); EXPECT_EQ(AF_INET, result.host_.addrtype_); EXPECT_NE(std::string::npos, result.host_.name_.find("localhost")); } } TEST_P(DefaultChannelModeTest, LiveGetLocalhostByNameV6) { HostResult result; ares_gethostbyname(channel_, "localhost", AF_INET6, HostCallback, &result); Process(); EXPECT_TRUE(result.done_); if (result.status_ == ARES_SUCCESS) { EXPECT_EQ(1, (int)result.host_.addrs_.size()); EXPECT_EQ(AF_INET6, result.host_.addrtype_); std::stringstream ss; ss << HostEnt(result.host_); EXPECT_NE(std::string::npos, result.host_.name_.find("localhost")); } } TEST_P(DefaultChannelModeTest, LiveGetLocalhostByNameIPV4) { HostResult result; ares_gethostbyname(channel_, "127.0.0.1", AF_INET, HostCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_EQ(1, (int)result.host_.addrs_.size()); EXPECT_EQ(AF_INET, result.host_.addrtype_); std::stringstream ss; ss << HostEnt(result.host_); EXPECT_EQ("{'127.0.0.1' aliases=[] addrs=[127.0.0.1]}", ss.str()); } TEST_P(DefaultChannelModeTest, LiveGetLocalhostByNameIPV6) { HostResult result; ares_gethostbyname(channel_, "::1", AF_INET6, HostCallback, &result); Process(); EXPECT_TRUE(result.done_); if (result.status_ != ARES_ENOTFOUND) { EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_EQ(1, (int)result.host_.addrs_.size()); EXPECT_EQ(AF_INET6, result.host_.addrtype_); std::stringstream ss; ss << HostEnt(result.host_); EXPECT_EQ("{'::1' aliases=[] addrs=[0000:0000:0000:0000:0000:0000:0000:0001]}", ss.str()); } } TEST_P(DefaultChannelModeTest, LiveGetLocalhostFailFamily) { HostResult result; ares_gethostbyname(channel_, "127.0.0.1", AF_INET+AF_INET6, HostCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_ENOTIMP, result.status_); } TEST_P(DefaultChannelModeTest, LiveGetLocalhostByAddrV4) { HostResult result; struct in_addr addr; addr.s_addr = htonl(INADDR_LOOPBACK); ares_gethostbyaddr(channel_, &addr, sizeof(addr), AF_INET, HostCallback, &result); Process(); EXPECT_TRUE(result.done_); if (result.status_ != ARES_ENOTFOUND) { EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_LT(0, (int)result.host_.addrs_.size()); EXPECT_EQ(AF_INET, result.host_.addrtype_); EXPECT_NE(std::string::npos, result.host_.name_.find("localhost")); } } TEST_P(DefaultChannelModeTest, LiveGetLocalhostByAddrV6) { HostResult result; struct in6_addr addr; memset(&addr, 0, sizeof(addr)); addr.s6_addr[15] = 1; // in6addr_loopback ares_gethostbyaddr(channel_, &addr, sizeof(addr), AF_INET6, HostCallback, &result); Process(); EXPECT_TRUE(result.done_); if (result.status_ != ARES_ENOTFOUND) { EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_LT(0, (int)result.host_.addrs_.size()); EXPECT_EQ(AF_INET6, result.host_.addrtype_); EXPECT_NE(std::string::npos, result.host_.name_.find("localhost")); } } TEST_P(DefaultChannelModeTest, LiveGetHostByAddrFailFamily) { HostResult result; unsigned char addr[4] = {8, 8, 8, 8}; ares_gethostbyaddr(channel_, addr, sizeof(addr), AF_INET6+AF_INET, HostCallback, &result); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_ENOTIMP, result.status_); } TEST_P(DefaultChannelModeTest, LiveGetHostByAddrFailAddrSize) { HostResult result; unsigned char addr[4] = {8, 8, 8, 8}; ares_gethostbyaddr(channel_, addr, sizeof(addr) - 1, AF_INET, HostCallback, &result); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_ENOTIMP, result.status_); } TEST_P(DefaultChannelModeTest, LiveGetHostByAddrFailAlloc) { HostResult result; unsigned char addr[4] = {8, 8, 8, 8}; SetAllocFail(1); ares_gethostbyaddr(channel_, addr, sizeof(addr), AF_INET, HostCallback, &result); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_ENOMEM, result.status_); } INSTANTIATE_TEST_CASE_P(Modes, DefaultChannelModeTest, ::testing::Values("f", "b", "fb", "bf")); VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveSearchA) { SearchResult result; ares_search(channel_, "www.youtube.com.", ns_c_in, ns_t_a, SearchCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveSearchEmptyA) { SearchResult result; ares_search(channel_, "", ns_c_in, ns_t_a, SearchCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_NE(ARES_SUCCESS, result.status_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveSearchNS) { SearchResult result; ares_search(channel_, "google.com.", ns_c_in, ns_t_ns, SearchCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveSearchMX) { SearchResult result; ares_search(channel_, "google.com.", ns_c_in, ns_t_mx, SearchCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveSearchTXT) { SearchResult result; ares_search(channel_, "google.com.", ns_c_in, ns_t_txt, SearchCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveSearchSOA) { SearchResult result; ares_search(channel_, "google.com.", ns_c_in, ns_t_soa, SearchCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveSearchSRV) { SearchResult result; ares_search(channel_, "_imap._tcp.gmail.com.", ns_c_in, ns_t_srv, SearchCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveSearchANY) { SearchResult result; ares_search(channel_, "google.com.", ns_c_in, ns_t_any, SearchCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetNameInfoV4) { NameInfoResult result; struct sockaddr_in sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin_family = AF_INET; sockaddr.sin_port = htons(53); sockaddr.sin_addr.s_addr = htonl(0x08080808); ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP, NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); if (verbose) std::cerr << "8.8.8.8:53 => " << result.node_ << "/" << result.service_ << std::endl; } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetNameInfoV4NoPort) { NameInfoResult result; struct sockaddr_in sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin_family = AF_INET; sockaddr.sin_port = htons(0); sockaddr.sin_addr.s_addr = htonl(0x08080808); ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP, NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); if (verbose) std::cerr << "8.8.8.8:0 => " << result.node_ << "/" << result.service_ << std::endl; } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetNameInfoV4UnassignedPort) { NameInfoResult result; struct sockaddr_in sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin_family = AF_INET; sockaddr.sin_port = htons(4); // Unassigned at IANA sockaddr.sin_addr.s_addr = htonl(0x08080808); ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP, NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); if (verbose) std::cerr << "8.8.8.8:4 => " << result.node_ << "/" << result.service_ << std::endl; } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetNameInfoV6Both) { NameInfoResult result; struct sockaddr_in6 sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin6_family = AF_INET6; sockaddr.sin6_port = htons(53); memcpy(sockaddr.sin6_addr.s6_addr, gdns_addr6, 16); ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_TCP|ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_NOFQDN, NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); if (verbose) std::cerr << "[2001:4860:4860::8888]:53 => " << result.node_ << "/" << result.service_ << std::endl; } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetNameInfoV6Neither) { NameInfoResult result; struct sockaddr_in6 sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin6_family = AF_INET6; sockaddr.sin6_port = htons(53); memcpy(sockaddr.sin6_addr.s6_addr, gdns_addr6, 16); ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_TCP|ARES_NI_NOFQDN, // Neither specified => assume lookup host. NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); if (verbose) std::cerr << "[2001:4860:4860::8888]:53 => " << result.node_ << "/" << result.service_ << std::endl; } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetNameInfoV4Numeric) { NameInfoResult result; struct sockaddr_in sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin_family = AF_INET; sockaddr.sin_port = htons(53); sockaddr.sin_addr.s_addr = htonl(0x08080808); ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_TCP|ARES_NI_NUMERICHOST, NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_EQ("8.8.8.8", result.node_); if (verbose) std::cerr << "8.8.8.8:53 => " << result.node_ << "/" << result.service_ << std::endl; } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetNameInfoV6Numeric) { NameInfoResult result; struct sockaddr_in6 sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin6_family = AF_INET6; sockaddr.sin6_port = htons(53); memcpy(sockaddr.sin6_addr.s6_addr, gdns_addr6, 16); ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_DCCP|ARES_NI_NUMERICHOST, NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_EQ("2001:4860:4860::8888%0", result.node_); if (verbose) std::cerr << "[2001:4860:4860::8888]:53 => " << result.node_ << "/" << result.service_ << std::endl; } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetNameInfoV6LinkLocal) { NameInfoResult result; struct sockaddr_in6 sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin6_family = AF_INET6; sockaddr.sin6_port = htons(53); unsigned char addr6[16] = {0xfe, 0x80, 0x01, 0x02, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x04}; memcpy(sockaddr.sin6_addr.s6_addr, addr6, 16); ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_DCCP|ARES_NI_NUMERICHOST, NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_EQ("fe80:102:102::304%0", result.node_); if (verbose) std::cerr << "[fe80:102:102::304]:53 => " << result.node_ << "/" << result.service_ << std::endl; } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetNameInfoV4NotFound) { NameInfoResult result; struct sockaddr_in sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin_family = AF_INET; sockaddr.sin_port = htons(4); // Port 4 unassigned at IANA // RFC5737 says 192.0.2.0 should not be used publically. sockaddr.sin_addr.s_addr = htonl(0xC0000200); ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP, NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_EQ("192.0.2.0", result.node_); if (verbose) std::cerr << "192.0.2.0:53 => " << result.node_ << "/" << result.service_ << std::endl; } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetNameInfoV4NotFoundFail) { NameInfoResult result; struct sockaddr_in sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin_family = AF_INET; sockaddr.sin_port = htons(53); // RFC5737 says 192.0.2.0 should not be used publically. sockaddr.sin_addr.s_addr = htonl(0xC0000200); ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP|ARES_NI_NAMEREQD, NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_ENOTFOUND, result.status_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetNameInfoV6NotFound) { NameInfoResult result; struct sockaddr_in6 sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin6_family = AF_INET6; sockaddr.sin6_port = htons(53); // 2001:db8::/32 is only supposed to be used in documentation. unsigned char addr6[16] = {0x20, 0x01, 0x0d, 0xb8, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x04}; memcpy(sockaddr.sin6_addr.s6_addr, addr6, 16); ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP, NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_EQ("2001:db8:102::304%0", result.node_); if (verbose) std::cerr << "[2001:db8:102::304]:53 => " << result.node_ << "/" << result.service_ << std::endl; } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetNameInvalidFamily) { NameInfoResult result; struct sockaddr_in6 sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin6_family = AF_INET6 + AF_INET; sockaddr.sin6_port = htons(53); memcpy(sockaddr.sin6_addr.s6_addr, gdns_addr6, 16); ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP, NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_ENOTIMP, result.status_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetNameInvalidFlags) { NameInfoResult result; struct sockaddr_in6 sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin6_family = AF_INET6; sockaddr.sin6_port = htons(53); memcpy(sockaddr.sin6_addr.s6_addr, gdns_addr6, 16); // Ask for both a name-required, and a numeric host. ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP|ARES_NI_NUMERICHOST|ARES_NI_NAMEREQD, NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_EBADFLAGS, result.status_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetServiceInfo) { NameInfoResult result; struct sockaddr_in sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin_family = AF_INET; sockaddr.sin_port = htons(53); sockaddr.sin_addr.s_addr = htonl(0x08080808); // Just look up service info ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_LOOKUPSERVICE|ARES_NI_SCTP, NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_EQ("", result.node_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetServiceInfoNumeric) { NameInfoResult result; struct sockaddr_in sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin_family = AF_INET; sockaddr.sin_port = htons(53); sockaddr.sin_addr.s_addr = htonl(0x08080808); // Just look up service info ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_LOOKUPSERVICE|ARES_NI_SCTP|ARES_NI_NUMERICSERV, NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_SUCCESS, result.status_); EXPECT_EQ("", result.node_); EXPECT_EQ("53", result.service_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, LiveGetNameInfoAllocFail) { NameInfoResult result; struct sockaddr_in sockaddr; memset(&sockaddr, 0, sizeof(sockaddr)); sockaddr.sin_family = AF_INET; sockaddr.sin_port = htons(53); sockaddr.sin_addr.s_addr = htonl(0x08080808); SetAllocFail(1); ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP, NameInfoCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_EQ(ARES_ENOMEM, result.status_); } VIRT_NONVIRT_TEST_F(DefaultChannelTest, GetSock) { ares_socket_t socks[3] = {-1, -1, -1}; int bitmask = ares_getsock(channel_, socks, 3); EXPECT_EQ(0, bitmask); bitmask = ares_getsock(channel_, nullptr, 0); EXPECT_EQ(0, bitmask); // Ask again with a pending query. HostResult result; ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); bitmask = ares_getsock(channel_, socks, 3); EXPECT_NE(0, bitmask); bitmask = ares_getsock(channel_, nullptr, 0); EXPECT_EQ(0, bitmask); Process(); } TEST_F(LibraryTest, GetTCPSock) { ares_channel channel; struct ares_options opts = {0}; opts.tcp_port = 53; opts.flags = ARES_FLAG_USEVC; int optmask = ARES_OPT_TCP_PORT | ARES_OPT_FLAGS; EXPECT_EQ(ARES_SUCCESS, ares_init_options(&channel, &opts, optmask)); EXPECT_NE(nullptr, channel); ares_socket_t socks[3] = {-1, -1, -1}; int bitmask = ares_getsock(channel, socks, 3); EXPECT_EQ(0, bitmask); bitmask = ares_getsock(channel, nullptr, 0); EXPECT_EQ(0, bitmask); // Ask again with a pending query. HostResult result; ares_gethostbyname(channel, "www.google.com.", AF_INET, HostCallback, &result); bitmask = ares_getsock(channel, socks, 3); EXPECT_NE(0, bitmask); bitmask = ares_getsock(channel, nullptr, 0); EXPECT_EQ(0, bitmask); ProcessWork(channel, NoExtraFDs, nullptr); ares_destroy(channel); } TEST_F(DefaultChannelTest, VerifySocketFunctionCallback) { VirtualizeIO vio(channel_); auto my_functions = VirtualizeIO::default_functions; size_t count = 0; my_functions.asocket = [](int af, int type, int protocol, void * p) { EXPECT_NE(nullptr, p); (*reinterpret_cast(p))++; return ::socket(af, type, protocol); }; ares_set_socket_functions(channel_, &my_functions, &count); { count = 0; HostResult result; ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); Process(); EXPECT_TRUE(result.done_); EXPECT_NE(0, count); } { count = 0; ares_channel copy; EXPECT_EQ(ARES_SUCCESS, ares_dup(©, channel_)); HostResult result; ares_gethostbyname(copy, "www.google.com.", AF_INET, HostCallback, &result); ProcessWork(copy, NoExtraFDs, nullptr); EXPECT_TRUE(result.done_); ares_destroy(copy); EXPECT_NE(0, count); } } } // namespace test } // namespace ares