1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
#include "ares-test.h"
#include "dns-proto.h"
#include <sstream>
#include <vector>
namespace ares {
namespace test {
TEST_F(LibraryTest, ParseSoaReplyOK) {
DNSPacket pkt;
pkt.set_qid(0x1234).set_response().set_aa()
.add_question(new DNSQuestion("example.com", ns_t_soa))
.add_answer(new DNSSoaRR("example.com", 100,
"soa1.example.com", "fred.example.com",
1, 2, 3, 4, 5));
std::vector<byte> data = pkt.data();
struct ares_soa_reply* soa = nullptr;
EXPECT_EQ(ARES_SUCCESS, ares_parse_soa_reply(data.data(), data.size(), &soa));
ASSERT_NE(nullptr, soa);
EXPECT_EQ("soa1.example.com", std::string(soa->nsname));
EXPECT_EQ("fred.example.com", std::string(soa->hostmaster));
EXPECT_EQ(1, soa->serial);
EXPECT_EQ(2, soa->refresh);
EXPECT_EQ(3, soa->retry);
EXPECT_EQ(4, soa->expire);
EXPECT_EQ(5, soa->minttl);
ares_free_data(soa);
}
TEST_F(LibraryTest, ParseSoaReplyErrors) {
DNSPacket pkt;
pkt.set_qid(0x1234).set_response().set_aa()
.add_question(new DNSQuestion("example.com", ns_t_soa))
.add_answer(new DNSSoaRR("example.com", 100,
"soa1.example.com", "fred.example.com",
1, 2, 3, 4, 5));
std::vector<byte> data;
struct ares_soa_reply* soa = nullptr;
// No question.
pkt.questions_.clear();
data = pkt.data();
EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), data.size(), &soa));
pkt.add_question(new DNSQuestion("example.com", ns_t_soa));
#ifdef DISABLED
// Question != answer
pkt.questions_.clear();
pkt.add_question(new DNSQuestion("Axample.com", ns_t_soa));
data = pkt.data();
EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), data.size(), &soa));
pkt.questions_.clear();
pkt.add_question(new DNSQuestion("example.com", ns_t_soa));
#endif
// Two questions
pkt.add_question(new DNSQuestion("example.com", ns_t_soa));
data = pkt.data();
EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), data.size(), &soa));
pkt.questions_.clear();
pkt.add_question(new DNSQuestion("example.com", ns_t_soa));
// Wrong sort of answer.
pkt.answers_.clear();
pkt.add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com"));
data = pkt.data();
EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), data.size(), &soa));
pkt.answers_.clear();
pkt.add_answer(new DNSSoaRR("example.com", 100,
"soa1.example.com", "fred.example.com",
1, 2, 3, 4, 5));
// No answer.
pkt.answers_.clear();
data = pkt.data();
EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), data.size(), &soa));
pkt.add_answer(new DNSSoaRR("example.com", 100,
"soa1.example.com", "fred.example.com",
1, 2, 3, 4, 5));
// Truncated packets.
data = pkt.data();
for (size_t len = 1; len < data.size(); len++) {
EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), len, &soa));
}
}
TEST_F(LibraryTest, ParseSoaReplyAllocFail) {
DNSPacket pkt;
pkt.set_qid(0x1234).set_response().set_aa()
.add_question(new DNSQuestion("example.com", ns_t_soa))
.add_answer(new DNSSoaRR("example.com", 100,
"soa1.example.com", "fred.example.com",
1, 2, 3, 4, 5));
std::vector<byte> data = pkt.data();
struct ares_soa_reply* soa = nullptr;
for (int ii = 1; ii <= 5; ii++) {
ClearFails();
SetAllocFail(ii);
EXPECT_EQ(ARES_ENOMEM, ares_parse_soa_reply(data.data(), data.size(), &soa)) << ii;
}
}
} // namespace test
} // namespace ares
|
