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Diffstat (limited to 'test/ares-test-misc.cc')
-rw-r--r-- | test/ares-test-misc.cc | 473 |
1 files changed, 0 insertions, 473 deletions
diff --git a/test/ares-test-misc.cc b/test/ares-test-misc.cc deleted file mode 100644 index 5e5bc0b..0000000 --- a/test/ares-test-misc.cc +++ /dev/null @@ -1,473 +0,0 @@ -#include "ares-test.h" -#include "dns-proto.h" - -#include <string> -#include <vector> - -namespace ares { -namespace test { - -TEST_F(DefaultChannelTest, GetServers) { - std::vector<std::string> servers = GetNameServers(channel_); - if (verbose) { - for (const std::string& server : servers) { - std::cerr << "Nameserver: " << server << std::endl; - } - } -} - -TEST_F(DefaultChannelTest, GetServersFailures) { - EXPECT_EQ(ARES_SUCCESS, - ares_set_servers_csv(channel_, "1.2.3.4,2.3.4.5")); - struct ares_addr_node* servers = nullptr; - SetAllocFail(1); - EXPECT_EQ(ARES_ENOMEM, ares_get_servers(channel_, &servers)); - SetAllocFail(2); - EXPECT_EQ(ARES_ENOMEM, ares_get_servers(channel_, &servers)); - EXPECT_EQ(ARES_ENODATA, ares_get_servers(nullptr, &servers)); -} - -TEST_F(DefaultChannelTest, SetServers) { - EXPECT_EQ(ARES_SUCCESS, ares_set_servers(channel_, nullptr)); - std::vector<std::string> empty; - EXPECT_EQ(empty, GetNameServers(channel_)); - - struct ares_addr_node server1; - struct ares_addr_node server2; - server1.next = &server2; - server1.family = AF_INET; - server1.addr.addr4.s_addr = htonl(0x01020304); - server2.next = nullptr; - server2.family = AF_INET; - server2.addr.addr4.s_addr = htonl(0x02030405); - EXPECT_EQ(ARES_ENODATA, ares_set_servers(nullptr, &server1)); - - EXPECT_EQ(ARES_SUCCESS, ares_set_servers(channel_, &server1)); - std::vector<std::string> expected = {"1.2.3.4", "2.3.4.5"}; - EXPECT_EQ(expected, GetNameServers(channel_)); -} - -TEST_F(DefaultChannelTest, SetServersPorts) { - EXPECT_EQ(ARES_SUCCESS, ares_set_servers_ports(channel_, nullptr)); - std::vector<std::string> empty; - EXPECT_EQ(empty, GetNameServers(channel_)); - - struct ares_addr_port_node server1; - struct ares_addr_port_node server2; - server1.next = &server2; - server1.family = AF_INET; - server1.addr.addr4.s_addr = htonl(0x01020304); - server1.udp_port = 111; - server1.tcp_port = 111; - server2.next = nullptr; - server2.family = AF_INET; - server2.addr.addr4.s_addr = htonl(0x02030405); - server2.udp_port = 0; - server2.tcp_port = 0;; - EXPECT_EQ(ARES_ENODATA, ares_set_servers_ports(nullptr, &server1)); - - EXPECT_EQ(ARES_SUCCESS, ares_set_servers_ports(channel_, &server1)); - std::vector<std::string> expected = {"1.2.3.4:111", "2.3.4.5"}; - EXPECT_EQ(expected, GetNameServers(channel_)); -} - -TEST_F(DefaultChannelTest, SetServersCSV) { - EXPECT_EQ(ARES_ENODATA, ares_set_servers_csv(nullptr, "1.2.3.4")); - EXPECT_EQ(ARES_ENODATA, ares_set_servers_csv(nullptr, "xyzzy,plugh")); - EXPECT_EQ(ARES_ENODATA, ares_set_servers_csv(nullptr, "256.1.2.3")); - EXPECT_EQ(ARES_ENODATA, ares_set_servers_csv(nullptr, "1.2.3.4.5")); - EXPECT_EQ(ARES_ENODATA, ares_set_servers_csv(nullptr, "1:2:3:4:5")); - - EXPECT_EQ(ARES_SUCCESS, - ares_set_servers_csv(channel_, "1.2.3.4,0102:0304:0506:0708:0910:1112:1314:1516,2.3.4.5")); - std::vector<std::string> expected = {"1.2.3.4", "0102:0304:0506:0708:0910:1112:1314:1516", "2.3.4.5"}; - EXPECT_EQ(expected, GetNameServers(channel_)); - - // Same, with spaces - EXPECT_EQ(ARES_EBADSTR, - ares_set_servers_csv(channel_, "1.2.3.4 , 0102:0304:0506:0708:0910:1112:1314:1516, 2.3.4.5")); - - // Same, with ports - EXPECT_EQ(ARES_SUCCESS, - ares_set_servers_csv(channel_, "1.2.3.4:54,[0102:0304:0506:0708:0910:1112:1314:1516]:80,2.3.4.5:55")); - EXPECT_EQ(expected, GetNameServers(channel_)); - EXPECT_EQ(ARES_SUCCESS, - ares_set_servers_ports_csv(channel_, "1.2.3.4:54,[0102:0304:0506:0708:0910:1112:1314:1516]:80,2.3.4.5:55")); - std::vector<std::string> expected2 = {"1.2.3.4:54", "[0102:0304:0506:0708:0910:1112:1314:1516]:80", "2.3.4.5:55"}; - EXPECT_EQ(expected2, GetNameServers(channel_)); - - // Should survive duplication - ares_channel channel2; - EXPECT_EQ(ARES_SUCCESS, ares_dup(&channel2, channel_)); - EXPECT_EQ(expected2, GetNameServers(channel2)); - ares_destroy(channel2); - - // Allocation failure cases - for (int fail = 1; fail <= 5; fail++) { - SetAllocFail(fail); - EXPECT_EQ(ARES_ENOMEM, - ares_set_servers_csv(channel_, "1.2.3.4,0102:0304:0506:0708:0910:1112:1314:1516,2.3.4.5")); - } - - // Blank servers - EXPECT_EQ(ARES_SUCCESS, ares_set_servers_csv(channel_, "")); - std::vector<std::string> none; - EXPECT_EQ(none, GetNameServers(channel_)); - - EXPECT_EQ(ARES_EBADSTR, ares_set_servers_csv(channel_, "2.3.4.5,1.2.3.4:,3.4.5.6")); - EXPECT_EQ(ARES_EBADSTR, ares_set_servers_csv(channel_, "2.3.4.5,1.2.3.4:Z,3.4.5.6")); -} - -TEST_F(DefaultChannelTest, TimeoutValue) { - struct timeval tinfo; - tinfo.tv_sec = 0; - tinfo.tv_usec = 0; - struct timeval tmax; - tmax.tv_sec = 0; - tmax.tv_usec = 10; - struct timeval* pt; - - // No timers => get max back. - pt = ares_timeout(channel_, &tmax, &tinfo); - EXPECT_EQ(&tmax, pt); - EXPECT_EQ(0, pt->tv_sec); - EXPECT_EQ(10, pt->tv_usec); - - pt = ares_timeout(channel_, nullptr, &tinfo); - EXPECT_EQ(nullptr, pt); - - HostResult result; - ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); - - // Now there's a timer running. - pt = ares_timeout(channel_, &tmax, &tinfo); - EXPECT_EQ(&tmax, pt); - EXPECT_EQ(0, pt->tv_sec); - EXPECT_EQ(10, pt->tv_usec); - - tmax.tv_sec = 100; - pt = ares_timeout(channel_, &tmax, &tinfo); - EXPECT_EQ(&tinfo, pt); - - pt = ares_timeout(channel_, nullptr, &tinfo); - EXPECT_EQ(&tinfo, pt); - - Process(); -} - -TEST_F(LibraryTest, InetNtoP) { - struct in_addr addr; - addr.s_addr = htonl(0x01020304); - char buffer[256]; - EXPECT_EQ(buffer, ares_inet_ntop(AF_INET, &addr, buffer, sizeof(buffer))); - EXPECT_EQ("1.2.3.4", std::string(buffer)); -} - -TEST_F(LibraryTest, Mkquery) { - byte* p; - int len; - ares_mkquery("example.com", ns_c_in, ns_t_a, 0x1234, 0, &p, &len); - std::vector<byte> data(p, p + len); - ares_free_string(p); - - std::string actual = PacketToString(data); - DNSPacket pkt; - pkt.set_qid(0x1234).add_question(new DNSQuestion("example.com", ns_t_a)); - std::string expected = PacketToString(pkt.data()); - EXPECT_EQ(expected, actual); -} - -TEST_F(LibraryTest, CreateQuery) { - byte* p; - int len; - EXPECT_EQ(ARES_SUCCESS, - ares_create_query("exam\\@le.com", ns_c_in, ns_t_a, 0x1234, 0, - &p, &len, 0)); - std::vector<byte> data(p, p + len); - ares_free_string(p); - - std::string actual = PacketToString(data); - DNSPacket pkt; - pkt.set_qid(0x1234).add_question(new DNSQuestion("exam@le.com", ns_t_a)); - std::string expected = PacketToString(pkt.data()); - EXPECT_EQ(expected, actual); -} - -TEST_F(LibraryTest, CreateQueryTrailingEscapedDot) { - byte* p; - int len; - EXPECT_EQ(ARES_SUCCESS, - ares_create_query("example.com\\.", ns_c_in, ns_t_a, 0x1234, 0, - &p, &len, 0)); - std::vector<byte> data(p, p + len); - ares_free_string(p); - - std::string actual = PacketToString(data); - EXPECT_EQ("REQ QRY Q:{'example.com\\.' IN A}", actual); -} - -TEST_F(LibraryTest, CreateQueryFailures) { - byte* p; - int len; - // RC1035 has a 255 byte limit on names. - std::string longname; - for (int ii = 0; ii < 17; ii++) { - longname += "fedcba9876543210"; - } - p = nullptr; - EXPECT_EQ(ARES_EBADNAME, - ares_create_query(longname.c_str(), ns_c_in, ns_t_a, 0x1234, 0, - &p, &len, 0)); - if (p) ares_free_string(p); - - SetAllocFail(1); - - p = nullptr; - EXPECT_EQ(ARES_ENOMEM, - ares_create_query("example.com", ns_c_in, ns_t_a, 0x1234, 0, - &p, &len, 0)); - if (p) ares_free_string(p); - - // 63-char limit on a single label - std::string longlabel = "a.a123456789b123456789c123456789d123456789e123456789f123456789g123456789.org"; - p = nullptr; - EXPECT_EQ(ARES_EBADNAME, - ares_create_query(longlabel.c_str(), ns_c_in, ns_t_a, 0x1234, 0, - &p, &len, 0)); - if (p) ares_free_string(p); - - // Empty non-terminal label - p = nullptr; - EXPECT_EQ(ARES_EBADNAME, - ares_create_query("example..com", ns_c_in, ns_t_a, 0x1234, 0, - &p, &len, 0)); - if (p) ares_free_string(p); -} - -TEST_F(DefaultChannelTest, SendFailure) { - unsigned char buf[2]; - SearchResult result; - ares_send(channel_, buf, sizeof(buf), SearchCallback, &result); - EXPECT_TRUE(result.done_); - EXPECT_EQ(ARES_EBADQUERY, result.status_); -} - -std::string ExpandName(const std::vector<byte>& data, int offset, - long *enclen) { - char *name = nullptr; - int rc = ares_expand_name(data.data() + offset, data.data(), data.size(), - &name, enclen); - EXPECT_EQ(ARES_SUCCESS, rc); - std::string result; - if (rc == ARES_SUCCESS) { - result = name; - } else { - result = "<error>"; - } - free(name); - return result; -} - -TEST_F(LibraryTest, ExpandName) { - long enclen; - std::vector<byte> data1 = {1, 'a', 2, 'b', 'c', 3, 'd', 'e', 'f', 0}; - EXPECT_EQ("a.bc.def", ExpandName(data1, 0, &enclen)); - EXPECT_EQ(data1.size(), enclen); - - std::vector<byte> data2 = {0}; - EXPECT_EQ("", ExpandName(data2, 0, &enclen)); - EXPECT_EQ(1, enclen); - - // Complete name indirection - std::vector<byte> data3 = {0x12, 0x23, - 3, 'd', 'e', 'f', 0, - 0xC0, 2}; - EXPECT_EQ("def", ExpandName(data3, 2, &enclen)); - EXPECT_EQ(5, enclen); - EXPECT_EQ("def", ExpandName(data3, 7, &enclen)); - EXPECT_EQ(2, enclen); - - // One label then indirection - std::vector<byte> data4 = {0x12, 0x23, - 3, 'd', 'e', 'f', 0, - 1, 'a', 0xC0, 2}; - EXPECT_EQ("def", ExpandName(data4, 2, &enclen)); - EXPECT_EQ(5, enclen); - EXPECT_EQ("a.def", ExpandName(data4, 7, &enclen)); - EXPECT_EQ(4, enclen); - - // Two labels then indirection - std::vector<byte> data5 = {0x12, 0x23, - 3, 'd', 'e', 'f', 0, - 1, 'a', 1, 'b', 0xC0, 2}; - EXPECT_EQ("def", ExpandName(data5, 2, &enclen)); - EXPECT_EQ(5, enclen); - EXPECT_EQ("a.b.def", ExpandName(data5, 7, &enclen)); - EXPECT_EQ(6, enclen); - - // Empty name, indirection to empty name - std::vector<byte> data6 = {0x12, 0x23, - 0, - 0xC0, 2}; - EXPECT_EQ("", ExpandName(data6, 2, &enclen)); - EXPECT_EQ(1, enclen); - EXPECT_EQ("", ExpandName(data6, 3, &enclen)); - EXPECT_EQ(2, enclen); -} - -TEST_F(LibraryTest, ExpandNameFailure) { - std::vector<byte> data1 = {0x03, 'c', 'o', 'm', 0x00}; - char *name = nullptr; - long enclen; - SetAllocFail(1); - EXPECT_EQ(ARES_ENOMEM, - ares_expand_name(data1.data(), data1.data(), data1.size(), - &name, &enclen)); - - // Empty packet - EXPECT_EQ(ARES_EBADNAME, - ares_expand_name(data1.data(), data1.data(), 0, &name, &enclen)); - - // Start beyond enclosing data - EXPECT_EQ(ARES_EBADNAME, - ares_expand_name(data1.data() + data1.size(), data1.data(), data1.size(), - &name, &enclen)); - - // Length beyond size of enclosing data - std::vector<byte> data2a = {0x13, 'c', 'o', 'm', 0x00}; - EXPECT_EQ(ARES_EBADNAME, - ares_expand_name(data2a.data(), data2a.data(), data2a.size(), - &name, &enclen)); - std::vector<byte> data2b = {0x1}; - EXPECT_EQ(ARES_EBADNAME, - ares_expand_name(data2b.data(), data2b.data(), data2b.size(), - &name, &enclen)); - std::vector<byte> data2c = {0xC0}; - EXPECT_EQ(ARES_EBADNAME, - ares_expand_name(data2c.data(), data2c.data(), data2c.size(), - &name, &enclen)); - - // Indirection beyond enclosing data - std::vector<byte> data3a = {0xC0, 0x02}; - EXPECT_EQ(ARES_EBADNAME, - ares_expand_name(data3a.data(), data3a.data(), data3a.size(), - &name, &enclen)); - std::vector<byte> data3b = {0xC0, 0x0A, 'c', 'o', 'm', 0x00}; - EXPECT_EQ(ARES_EBADNAME, - ares_expand_name(data3b.data(), data3b.data(), data3b.size(), - &name, &enclen)); - - // Invalid top bits in label length - std::vector<byte> data4 = {0x03, 'c', 'o', 'm', 0x00, 0x80, 0x00}; - EXPECT_EQ(ARES_EBADNAME, - ares_expand_name(data4.data() + 5, data4.data(), data4.size(), - &name, &enclen)); - - // Label too long: 64-byte label, with invalid top 2 bits of length (01). - std::vector<byte> data5 = {0x40, - '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', - '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', - '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', - '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', - 0x00}; - EXPECT_EQ(ARES_EBADNAME, - ares_expand_name(data5.data(), data5.data(), data5.size(), - &name, &enclen)) << name; - - // Incomplete indirect length - std::vector<byte> data6 = {0x03, 'c', 'o', 'm', 0x00, 0xC0}; - EXPECT_EQ(ARES_EBADNAME, - ares_expand_name(data6.data() + 5, data6.data(), data6.size(), - &name, &enclen)); - - // Indirection loops - std::vector<byte> data7 = {0xC0, 0x02, 0xC0, 0x00}; - EXPECT_EQ(ARES_EBADNAME, - ares_expand_name(data7.data(), data7.data(), data7.size(), - &name, &enclen)); - std::vector<byte> data8 = {3, 'd', 'e', 'f', 0xC0, 0x08, 0x00, 0x00, - 3, 'a', 'b', 'c', 0xC0, 0x00}; - EXPECT_EQ(ARES_EBADNAME, - ares_expand_name(data8.data(), data8.data(), data8.size(), - &name, &enclen)); - std::vector<byte> data9 = {0x12, 0x23, // start 2 bytes in - 3, 'd', 'e', 'f', 0xC0, 0x02}; - EXPECT_EQ(ARES_EBADNAME, - ares_expand_name(data9.data() + 2, data9.data(), data9.size(), - &name, &enclen)); -} - -TEST_F(LibraryTest, CreateEDNSQuery) { - byte* p; - int len; - EXPECT_EQ(ARES_SUCCESS, - ares_create_query("example.com", ns_c_in, ns_t_a, 0x1234, 0, - &p, &len, 1280)); - std::vector<byte> data(p, p + len); - ares_free_string(p); - - std::string actual = PacketToString(data); - DNSPacket pkt; - pkt.set_qid(0x1234).add_question(new DNSQuestion("example.com", ns_t_a)) - .add_additional(new DNSOptRR(0, 1280)); - std::string expected = PacketToString(pkt.data()); - EXPECT_EQ(expected, actual); -} - -TEST_F(LibraryTest, CreateRootQuery) { - byte* p; - int len; - ares_create_query(".", ns_c_in, ns_t_a, 0x1234, 0, &p, &len, 0); - std::vector<byte> data(p, p + len); - ares_free_string(p); - - std::string actual = PacketToString(data); - DNSPacket pkt; - pkt.set_qid(0x1234).add_question(new DNSQuestion("", ns_t_a)); - std::string expected = PacketToString(pkt.data()); - EXPECT_EQ(expected, actual); -} - -TEST_F(LibraryTest, Version) { - // Assume linked to same version - EXPECT_EQ(std::string(ARES_VERSION_STR), - std::string(ares_version(nullptr))); - int version; - ares_version(&version); - EXPECT_EQ(ARES_VERSION, version); -} - -TEST_F(LibraryTest, Strerror) { - EXPECT_EQ("Successful completion", - std::string(ares_strerror(ARES_SUCCESS))); - EXPECT_EQ("DNS query cancelled", - std::string(ares_strerror(ARES_ECANCELLED))); - EXPECT_EQ("unknown", - std::string(ares_strerror(99))); -} - -TEST_F(LibraryTest, ExpandString) { - std::vector<byte> s1 = { 3, 'a', 'b', 'c'}; - char* result = nullptr; - long len; - EXPECT_EQ(ARES_SUCCESS, - ares_expand_string(s1.data(), s1.data(), s1.size(), - (unsigned char**)&result, &len)); - EXPECT_EQ("abc", std::string(result)); - EXPECT_EQ(1 + 3, len); // amount of data consumed includes 1 byte len - free(result); - result = nullptr; - EXPECT_EQ(ARES_EBADSTR, - ares_expand_string(s1.data() + 1, s1.data(), s1.size(), - (unsigned char**)&result, &len)); - EXPECT_EQ(ARES_EBADSTR, - ares_expand_string(s1.data() + 4, s1.data(), s1.size(), - (unsigned char**)&result, &len)); - SetAllocSizeFail(3 + 1); - EXPECT_EQ(ARES_ENOMEM, - ares_expand_string(s1.data(), s1.data(), s1.size(), - (unsigned char**)&result, &len)); -} - -} // namespace test -} // namespace ares |