A C library for asynchronous DNS requests (grpc依赖)
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/*
* Copyright (C) The c-ares project
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting
* documentation, and that the name of M.I.T. not be used in
* advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* SPDX-License-Identifier: MIT
*/
#include "ares-test.h"
#include "dns-proto.h"
#include <sstream>
#include <vector>
namespace ares {
namespace test {
TEST_F(LibraryTest, ParseCaaReplyMultipleOK) {
std::vector<byte> data = {
0x27, 0x86, 0x81, 0x80, 0x00, 0x01, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x09, 0x77, 0x69, 0x6B, // '............wik
0x69, 0x70, 0x65, 0x64, 0x69, 0x61, 0x03, 0x6F, 0x72, 0x67, 0x00, 0x01, 0x01, 0x00, 0x01, 0xC0, // ipedia.org......
0x0C, 0x01, 0x01, 0x00, 0x01, 0x00, 0x00, 0x02, 0x23, 0x00, 0x15, 0x00, 0x05, 0x69, 0x73, 0x73, // ........#....iss
0x75, 0x65, 0x67, 0x6C, 0x6F, 0x62, 0x61, 0x6C, 0x73, 0x69, 0x67, 0x6E, 0x2E, 0x63, 0x6F, 0x6D, // ueglobalsign.com
0xC0, 0x0C, 0x01, 0x01, 0x00, 0x01, 0x00, 0x00, 0x02, 0x23, 0x00, 0x13, 0x00, 0x05, 0x69, 0x73, // .........#....is
0x73, 0x75, 0x65, 0x64, 0x69, 0x67, 0x69, 0x63, 0x65, 0x72, 0x74, 0x2E, 0x63, 0x6F, 0x6D, 0xC0, // suedigicert.com.
0x0C, 0x01, 0x01, 0x00, 0x01, 0x00, 0x00, 0x02, 0x23, 0x00, 0x16, 0x00, 0x05, 0x69, 0x73, 0x73, // ........#....iss
0x75, 0x65, 0x6C, 0x65, 0x74, 0x73, 0x65, 0x6E, 0x63, 0x72, 0x79, 0x70, 0x74, 0x2E, 0x6F, 0x72, // ueletsencrypt.or
0x67, 0xC0, 0x0C, 0x01, 0x01, 0x00, 0x01, 0x00, 0x00, 0x02, 0x23, 0x00, 0x25, 0x00, 0x05, 0x69, // g.........#.%..i
0x6F, 0x64, 0x65, 0x66, 0x6D, 0x61, 0x69, 0x6C, 0x74, 0x6F, 0x3A, 0x64, 0x6E, 0x73, 0x2D, 0x61, // odefmailto:dns-a
0x64, 0x6D, 0x69, 0x6E, 0x40, 0x77, 0x69, 0x6B, 0x69, 0x6D, 0x65, 0x64, 0x69, 0x61, 0x2E, 0x6F, // dmin@wikimedia.o
0x72, 0x67 // rg
};
struct ares_caa_reply* caa = nullptr;
EXPECT_EQ(ARES_SUCCESS, ares_parse_caa_reply(data.data(), data.size(), &caa));
ASSERT_NE(nullptr, caa);
ASSERT_NE(nullptr, caa->next);
ASSERT_NE(nullptr, caa->next->next);
ASSERT_NE(nullptr, caa->next->next->next);
ares_free_data(caa);
}
TEST_F(LibraryTest, ParseCaaReplySingleOK) {
std::vector<byte> data = {
0x27, 0x86, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x06, 0x67, 0x6F, 0x6F, // '............goo
0x67, 0x6C, 0x65, 0x03, 0x63, 0x6F, 0x6D, 0x00, 0x01, 0x01, 0x00, 0x01, 0xC0, 0x0C, 0x01, 0x01, // gle.com.........
0x00, 0x01, 0x00, 0x01, 0x43, 0xBE, 0x00, 0x0F, 0x00, 0x05, 0x69, 0x73, 0x73, 0x75, 0x65, 0x70, // ....C.....issuep
0x6B, 0x69, 0x2E, 0x67, 0x6F, 0x6F, 0x67 // ki.goog
};
struct ares_caa_reply* caa = nullptr;
EXPECT_EQ(ARES_SUCCESS, ares_parse_caa_reply(data.data(), data.size(), &caa));
ASSERT_NE(nullptr, caa);
EXPECT_EQ(caa->critical, 0);
EXPECT_EQ(caa->plength, 5);
EXPECT_STREQ((char *)caa->property, "issue");
EXPECT_EQ(caa->length, 8);
EXPECT_STREQ((char *)caa->value, "pki.goog");
ares_free_data(caa);
}
TEST_F(LibraryTest, ParseCaaBogusReply1) {
std::vector<byte> data = {
0x27, 0x86, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x06, 0x67, 0x6F, 0x6F, // '............goo
0x67, 0x6C, 0x65, 0x03, 0x63, 0x6F, 0x6D, 0x00, 0x01, 0x01, 0x00, 0x01, 0xC0, 0x0C, 0x01, 0x01, // gle.com.........
0x00, 0x01, 0x00, 0x01, 0x43, 0xBE, 0x00, 0x0F, 0x00, 0x00, 0x69, 0x73, 0x73, 0x75, 0x65, 0x70, // ....C.....issuep
0x6B, 0x69, 0x2E, 0x67, 0x6F, 0x6F, 0x67 // ki.goog
};
struct ares_caa_reply* caa = nullptr;
EXPECT_EQ(ARES_EBADRESP, ares_parse_caa_reply(data.data(), data.size(), &caa));
ASSERT_EQ(nullptr, caa);
}
TEST_F(LibraryTest, ParseCaaBogusReply2) {
std::vector<byte> data = {
0x27, 0x86, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x06, 0x67, 0x6F, 0x6F, // '............goo
0x67, 0x6C, 0x65, 0x03, 0x63, 0x6F, 0x6D, 0x00, 0x01, 0x01, 0x00, 0x01, 0xC0, 0x0C, 0x01, 0x01, // gle.com.........
0x00, 0x01, 0x00, 0x01, 0x43, 0xBE, 0x00, 0x0F, 0x00, 0x0e, 0x69, 0x73, 0x73, 0x75, 0x65, 0x70, // ....C.....issuep
0x6B, 0x69, 0x2E, 0x67, 0x6F, 0x6F, 0x67 // ki.goog
};
struct ares_caa_reply* caa = nullptr;
EXPECT_EQ(ARES_EBADRESP, ares_parse_caa_reply(data.data(), data.size(), &caa));
ASSERT_EQ(nullptr, caa);
}
TEST_F(LibraryTest, ParseCaaBogusReply3) {
std::vector<byte> data = {
0x27, 0x86, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x06, 0x67, 0x6F, 0x6F, // '............goo
0x67, 0x6C, 0x65, 0x03, 0x63, 0x6F, 0x6D, 0x00, 0x01, 0x01, 0x00, 0x01, 0xC0, 0x0C, 0x01, 0x01, // gle.com.........
0x00, 0x01, 0x00, 0x01, 0x43, 0xBE, 0x00, 0x10, 0x00, 0x05, 0x69, 0x73, 0x73, 0x75, 0x65, 0x70, // ....C.....issuep
0x6B, 0x69, 0x2E, 0x67, 0x6F, 0x6F, 0x67 // ki.goog
};
struct ares_caa_reply* caa = nullptr;
EXPECT_EQ(ARES_EBADRESP, ares_parse_caa_reply(data.data(), data.size(), &caa));
ASSERT_EQ(nullptr, caa);
}
TEST_F(LibraryTest, ParseCaaEmptyReply) {
std::vector<byte> data = {
0x27, 0x86, 0x81, 0x80, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x09, 0x77, 0x69, 0x6B, // '............wik
0x69, 0x70, 0x65, 0x64, 0x69, 0x61, 0x02, 0x64, 0x65, 0x00, 0x01, 0x01, 0x00, 0x01, 0xC0, 0x0C, // ipedia.de.......
0x00, 0x06, 0x00, 0x01, 0x00, 0x00, 0x02, 0x58, 0x00, 0x3B, 0x04, 0x6E, 0x73, 0x38, 0x31, 0x0D, // .......X.;.ns81.
0x64, 0x6F, 0x6D, 0x61, 0x69, 0x6E, 0x63, 0x6F, 0x6E, 0x74, 0x72, 0x6F, 0x6C, 0x03, 0x63, 0x6F, // domaincontrol.co
0x6D, 0x00, 0x03, 0x64, 0x6E, 0x73, 0x05, 0x6A, 0x6F, 0x6D, 0x61, 0x78, 0x03, 0x6E, 0x65, 0x74, // m..dns.jomax.net
0x00, 0x78, 0x67, 0xFE, 0x34, 0x00, 0x00, 0x70, 0x80, 0x00, 0x00, 0x1C, 0x20, 0x00, 0x09, 0x3A, // .xg.4..p.... ..:
0x80, 0x00, 0x00, 0x02, 0x58 // ....X
};
struct ares_caa_reply* caa = nullptr;
EXPECT_EQ(ARES_ENODATA, ares_parse_caa_reply(data.data(), data.size(), &caa));
ASSERT_EQ(nullptr, caa);
}
} // namespace test
} // namespace ares