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Diffstat (limited to 'test/ares-test-internal.cc')
| -rw-r--r-- | test/ares-test-internal.cc | 387 |
1 files changed, 0 insertions, 387 deletions
diff --git a/test/ares-test-internal.cc b/test/ares-test-internal.cc deleted file mode 100644 index 91a5646..0000000 --- a/test/ares-test-internal.cc +++ /dev/null @@ -1,387 +0,0 @@ -#include "ares-test.h" -#include "dns-proto.h" - -#include <stdio.h> - -extern "C" { -// Remove command-line defines of package variables for the test project... -#undef PACKAGE_NAME -#undef PACKAGE_BUGREPORT -#undef PACKAGE_STRING -#undef PACKAGE_TARNAME -// ... so we can include the library's config without symbol redefinitions. -#include "ares_setup.h" -#include "ares_nowarn.h" -#include "ares_inet_net_pton.h" -#include "ares_data.h" -#include "ares_private.h" -#include "bitncmp.h" - -#ifdef HAVE_ARPA_INET_H -#include <arpa/inet.h> -#endif -} - -#include <string> -#include <vector> - -namespace ares { -namespace test { - -#ifndef CARES_SYMBOL_HIDING -void CheckPtoN4(int size, unsigned int value, const char *input) { - struct in_addr a4; - a4.s_addr = 0; - uint32_t expected = htonl(value); - EXPECT_EQ(size, ares_inet_net_pton(AF_INET, input, &a4, sizeof(a4))) - << " for input " << input; - EXPECT_EQ(expected, a4.s_addr) << " for input " << input; -} -#endif - -TEST_F(LibraryTest, InetPtoN) { - struct in_addr a4; - struct in6_addr a6; - -#ifndef CARES_SYMBOL_HIDING - uint32_t expected; - - CheckPtoN4(4 * 8, 0x01020304, "1.2.3.4"); - CheckPtoN4(4 * 8, 0x81010101, "129.1.1.1"); - CheckPtoN4(4 * 8, 0xC0010101, "192.1.1.1"); - CheckPtoN4(4 * 8, 0xE0010101, "224.1.1.1"); - CheckPtoN4(4 * 8, 0xE1010101, "225.1.1.1"); - CheckPtoN4(4, 0xE0000000, "224"); - CheckPtoN4(4 * 8, 0xFD000000, "253"); - CheckPtoN4(4 * 8, 0xF0010101, "240.1.1.1"); - CheckPtoN4(4 * 8, 0x02030405, "02.3.4.5"); - CheckPtoN4(3 * 8, 0x01020304, "1.2.3.4/24"); - CheckPtoN4(3 * 8, 0x01020300, "1.2.3/24"); - CheckPtoN4(2 * 8, 0xa0000000, "0xa"); - CheckPtoN4(0, 0x02030405, "2.3.4.5/000"); - CheckPtoN4(1 * 8, 0x01020000, "1.2/8"); - CheckPtoN4(2 * 8, 0x01020000, "0x0102/16"); - CheckPtoN4(4 * 8, 0x02030405, "02.3.4.5"); - - EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "::", &a6, sizeof(a6))); - EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "::1", &a6, sizeof(a6))); - EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "1234:5678::", &a6, sizeof(a6))); - EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "12:34::ff", &a6, sizeof(a6))); - EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.4", &a6, sizeof(a6))); - EXPECT_EQ(23, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.4/23", &a6, sizeof(a6))); - EXPECT_EQ(3 * 8, ares_inet_net_pton(AF_INET6, "12:34::ff/24", &a6, sizeof(a6))); - EXPECT_EQ(0, ares_inet_net_pton(AF_INET6, "12:34::ff/0", &a6, sizeof(a6))); - EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "12:34::ffff:0.2", &a6, sizeof(a6))); - EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234", &a6, sizeof(a6))); - - // Various malformed versions - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, " ", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x ", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "x0", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0xXYZZY", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "xyzzy", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET+AF_INET6, "1.2.3.4", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "257.2.3.4", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "002.3.4.x", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "00.3.4.x", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.x", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.5.6", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.5.6/12", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4:5", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.5/120", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.5/1x", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.5/x", &a4, sizeof(a4))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff/240", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff/02", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff/2y", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff/y", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff/", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, ":x", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, ":", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, ": :1234", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "::12345", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "1234::2345:3456::0011", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234:", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234::", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1.2.3.4", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, ":1234:1234:1234:1234:1234:1234:1234:1234", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, ":1234:1234:1234:1234:1234:1234:1234:1234:", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234:5678", &a6, sizeof(a6))); - // TODO(drysdale): check whether the next two tests should give -1. - EXPECT_EQ(0, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234:5678:5678", &a6, sizeof(a6))); - EXPECT_EQ(0, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234:5678:5678:5678", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:257.2.3.4", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:002.2.3.4", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.4.5.6", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.4.5", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.z", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3001.4", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3..4", &a6, sizeof(a6))); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.", &a6, sizeof(a6))); - - // Hex constants are allowed. - EXPECT_EQ(4 * 8, ares_inet_net_pton(AF_INET, "0x01020304", &a4, sizeof(a4))); - expected = htonl(0x01020304); - EXPECT_EQ(expected, a4.s_addr); - EXPECT_EQ(4 * 8, ares_inet_net_pton(AF_INET, "0x0a0b0c0d", &a4, sizeof(a4))); - expected = htonl(0x0a0b0c0d); - EXPECT_EQ(expected, a4.s_addr); - EXPECT_EQ(4 * 8, ares_inet_net_pton(AF_INET, "0x0A0B0C0D", &a4, sizeof(a4))); - expected = htonl(0x0a0b0c0d); - EXPECT_EQ(expected, a4.s_addr); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x0xyz", &a4, sizeof(a4))); - EXPECT_EQ(4 * 8, ares_inet_net_pton(AF_INET, "0x1122334", &a4, sizeof(a4))); - expected = htonl(0x11223340); - EXPECT_EQ(expected, a4.s_addr); // huh? - - // No room, no room. - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "1.2.3.4", &a4, sizeof(a4) - 1)); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff", &a6, sizeof(a6) - 1)); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x01020304", &a4, 2)); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x01020304", &a4, 0)); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x0a0b0c0d", &a4, 0)); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x0xyz", &a4, 0)); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x1122334", &a4, sizeof(a4) - 1)); - EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "253", &a4, sizeof(a4) - 1)); -#endif - - EXPECT_EQ(1, ares_inet_pton(AF_INET, "1.2.3.4", &a4)); - EXPECT_EQ(1, ares_inet_pton(AF_INET6, "12:34::ff", &a6)); - EXPECT_EQ(1, ares_inet_pton(AF_INET6, "12:34::ffff:1.2.3.4", &a6)); - EXPECT_EQ(0, ares_inet_pton(AF_INET, "xyzzy", &a4)); - EXPECT_EQ(-1, ares_inet_pton(AF_INET+AF_INET6, "1.2.3.4", &a4)); -} - -TEST_F(LibraryTest, FreeCorruptData) { - // ares_free_data(p) expects that there is a type field and a marker - // field in the memory before p. Feed it incorrect versions of each. - struct ares_data *data = (struct ares_data *)malloc(sizeof(struct ares_data)); - void* p = &(data->data); - - // Invalid type - data->type = (ares_datatype)99; - data->mark = ARES_DATATYPE_MARK; - ares_free_data(p); - - // Invalid marker - data->type = (ares_datatype)ARES_DATATYPE_MX_REPLY; - data->mark = ARES_DATATYPE_MARK + 1; - ares_free_data(p); - - // Null pointer - ares_free_data(nullptr); - - free(data); -} - -#ifndef CARES_SYMBOL_HIDING -TEST(LibraryInit, StrdupFailures) { - EXPECT_EQ(ARES_SUCCESS, ares_library_init(ARES_LIB_INIT_ALL)); - char* copy = ares_strdup("string"); - EXPECT_NE(nullptr, copy); - free(copy); - ares_library_cleanup(); -} - -TEST_F(LibraryTest, StrdupFailures) { - SetAllocFail(1); - char* copy = ares_strdup("string"); - EXPECT_EQ(nullptr, copy); -} - -TEST_F(LibraryTest, MallocDataFail) { - EXPECT_EQ(nullptr, ares_malloc_data((ares_datatype)99)); - SetAllocSizeFail(sizeof(struct ares_data)); - EXPECT_EQ(nullptr, ares_malloc_data(ARES_DATATYPE_MX_REPLY)); -} - -TEST(Misc, Bitncmp) { - byte a[4] = {0x80, 0x01, 0x02, 0x03}; - byte b[4] = {0x80, 0x01, 0x02, 0x04}; - byte c[4] = {0x01, 0xFF, 0x80, 0x02}; - EXPECT_GT(0, ares__bitncmp(a, b, sizeof(a)*8)); - EXPECT_LT(0, ares__bitncmp(b, a, sizeof(a)*8)); - EXPECT_EQ(0, ares__bitncmp(a, a, sizeof(a)*8)); - - for (int ii = 1; ii < (3*8+5); ii++) { - EXPECT_EQ(0, ares__bitncmp(a, b, ii)); - EXPECT_EQ(0, ares__bitncmp(b, a, ii)); - EXPECT_LT(0, ares__bitncmp(a, c, ii)); - EXPECT_GT(0, ares__bitncmp(c, a, ii)); - } - - // Last byte differs at 5th bit - EXPECT_EQ(0, ares__bitncmp(a, b, 3*8 + 3)); - EXPECT_EQ(0, ares__bitncmp(a, b, 3*8 + 4)); - EXPECT_EQ(0, ares__bitncmp(a, b, 3*8 + 5)); - EXPECT_GT(0, ares__bitncmp(a, b, 3*8 + 6)); - EXPECT_GT(0, ares__bitncmp(a, b, 3*8 + 7)); -} - -TEST_F(LibraryTest, Casts) { - ssize_t ssz = 100; - unsigned int u = 100; - int i = 100; - long l = 100; - - unsigned int ru = aresx_sztoui(ssz); - EXPECT_EQ(u, ru); - int ri = aresx_sztosi(ssz); - EXPECT_EQ(i, ri); - - ri = aresx_sltosi(l); - EXPECT_EQ(l, (long)ri); -} - -TEST_F(LibraryTest, ReadLine) { - TempFile temp("abcde\n0123456789\nXYZ\n012345678901234567890\n\n"); - FILE *fp = fopen(temp.filename(), "r"); - size_t bufsize = 4; - char *buf = (char *)malloc(bufsize); - - EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); - EXPECT_EQ("abcde", std::string(buf)); - EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); - EXPECT_EQ("0123456789", std::string(buf)); - EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); - EXPECT_EQ("XYZ", std::string(buf)); - SetAllocFail(1); - EXPECT_EQ(ARES_ENOMEM, ares__read_line(fp, &buf, &bufsize)); - EXPECT_EQ(nullptr, buf); - - fclose(fp); - free(buf); -} - -TEST_F(LibraryTest, ReadLineNoBuf) { - TempFile temp("abcde\n0123456789\nXYZ\n012345678901234567890"); - FILE *fp = fopen(temp.filename(), "r"); - size_t bufsize = 0; - char *buf = nullptr; - - SetAllocFail(1); - EXPECT_EQ(ARES_ENOMEM, ares__read_line(fp, &buf, &bufsize)); - - EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); - EXPECT_EQ("abcde", std::string(buf)); - EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); - EXPECT_EQ("0123456789", std::string(buf)); - EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); - EXPECT_EQ("XYZ", std::string(buf)); - EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); - EXPECT_EQ("012345678901234567890", std::string(buf)); - - fclose(fp); - free(buf); -} - -TEST(Misc, GetHostent) { - TempFile hostsfile("1.2.3.4 example.com \n" - " 2.3.4.5\tgoogle.com www.google.com\twww2.google.com\n" - "#comment\n" - "4.5.6.7\n" - "1.3.5.7 \n" - "::1 ipv6.com"); - struct hostent *host = nullptr; - FILE *fp = fopen(hostsfile.filename(), "r"); - ASSERT_NE(nullptr, fp); - EXPECT_EQ(ARES_EBADFAMILY, ares__get_hostent(fp, AF_INET+AF_INET6, &host)); - rewind(fp); - - EXPECT_EQ(ARES_SUCCESS, ares__get_hostent(fp, AF_INET, &host)); - ASSERT_NE(nullptr, host); - std::stringstream ss1; - ss1 << HostEnt(host); - EXPECT_EQ("{'example.com' aliases=[] addrs=[1.2.3.4]}", ss1.str()); - ares_free_hostent(host); - host = nullptr; - - EXPECT_EQ(ARES_SUCCESS, ares__get_hostent(fp, AF_INET, &host)); - ASSERT_NE(nullptr, host); - std::stringstream ss2; - ss2 << HostEnt(host); - EXPECT_EQ("{'google.com' aliases=[www.google.com, www2.google.com] addrs=[2.3.4.5]}", ss2.str()); - ares_free_hostent(host); - host = nullptr; - - EXPECT_EQ(ARES_EOF, ares__get_hostent(fp, AF_INET, &host)); - - rewind(fp); - EXPECT_EQ(ARES_SUCCESS, ares__get_hostent(fp, AF_INET6, &host)); - ASSERT_NE(nullptr, host); - std::stringstream ss3; - ss3 << HostEnt(host); - EXPECT_EQ("{'ipv6.com' aliases=[] addrs=[0000:0000:0000:0000:0000:0000:0000:0001]}", ss3.str()); - ares_free_hostent(host); - host = nullptr; - EXPECT_EQ(ARES_EOF, ares__get_hostent(fp, AF_INET6, &host)); - fclose(fp); -} - -TEST_F(LibraryTest, GetHostentAllocFail) { - TempFile hostsfile("1.2.3.4 example.com alias1 alias2\n"); - struct hostent *host = nullptr; - FILE *fp = fopen(hostsfile.filename(), "r"); - ASSERT_NE(nullptr, fp); - - for (int ii = 1; ii <= 8; ii++) { - rewind(fp); - ClearFails(); - SetAllocFail(ii); - host = nullptr; - EXPECT_EQ(ARES_ENOMEM, ares__get_hostent(fp, AF_INET, &host)) << ii; - } - fclose(fp); -} -#endif - -#ifdef CARES_EXPOSE_STATICS -// These tests access internal static functions from the library, which -// are only exposed when CARES_EXPOSE_STATICS has been configured. As such -// they are tightly couple to the internal library implementation details. -extern "C" char *ares_striendstr(const char*, const char*); -TEST_F(LibraryTest, Striendstr) { - EXPECT_EQ(nullptr, ares_striendstr("abc", "12345")); - EXPECT_NE(nullptr, ares_striendstr("abc12345", "12345")); - EXPECT_NE(nullptr, ares_striendstr("abcxyzzy", "XYZZY")); - EXPECT_NE(nullptr, ares_striendstr("xyzzy", "XYZZY")); - EXPECT_EQ(nullptr, ares_striendstr("xyxzy", "XYZZY")); - EXPECT_NE(nullptr, ares_striendstr("", "")); - const char *str = "plugh"; - EXPECT_NE(nullptr, ares_striendstr(str, str)); -} -extern "C" int single_domain(ares_channel, const char*, char**); -TEST_F(DefaultChannelTest, SingleDomain) { - TempFile aliases("www www.google.com\n"); - EnvValue with_env("HOSTALIASES", aliases.filename()); - - SetAllocSizeFail(128); - char *ptr = nullptr; - EXPECT_EQ(ARES_ENOMEM, single_domain(channel_, "www", &ptr)); - - channel_->flags |= ARES_FLAG_NOSEARCH|ARES_FLAG_NOALIASES; - EXPECT_EQ(ARES_SUCCESS, single_domain(channel_, "www", &ptr)); - EXPECT_EQ("www", std::string(ptr)); - free(ptr); - ptr = nullptr; - - SetAllocFail(1); - EXPECT_EQ(ARES_ENOMEM, single_domain(channel_, "www", &ptr)); - EXPECT_EQ(nullptr, ptr); -} -#endif - -TEST_F(DefaultChannelTest, SaveInvalidChannel) { - int saved = channel_->nservers; - channel_->nservers = -1; - struct ares_options opts; - int optmask = 0; - EXPECT_EQ(ARES_ENODATA, ares_save_options(channel_, &opts, &optmask)); - channel_->nservers = saved; -} - -} // namespace test -} // namespace ares |