1 | /* Test name resolution behavior with trailing characters. |
2 | Copyright (C) 2019-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <array_length.h> |
20 | #include <netdb.h> |
21 | #include <support/check.h> |
22 | #include <support/check_nss.h> |
23 | #include <support/resolv_test.h> |
24 | #include <support/support.h> |
25 | |
26 | static void |
27 | response (const struct resolv_response_context *ctx, |
28 | struct resolv_response_builder *b, |
29 | const char *qname, uint16_t qclass, uint16_t qtype) |
30 | { |
31 | /* The tests are not supposed send any DNS queries. */ |
32 | FAIL_EXIT1 ("unexpected DNS query for %s/%d/%d" , qname, qclass, qtype); |
33 | } |
34 | |
35 | static int |
36 | do_test (void) |
37 | { |
38 | struct resolv_test *aux = resolv_test_start |
39 | ((struct resolv_redirect_config) |
40 | { |
41 | .response_callback = response, |
42 | }); |
43 | |
44 | static const char *const queries[] = |
45 | { |
46 | "192.0.2.1 " , |
47 | "192.0.2.2\t" , |
48 | "192.0.2.3\n" , |
49 | "192.0.2.4 X" , |
50 | "192.0.2.5\tY" , |
51 | "192.0.2.6\nZ" , |
52 | "192.0.2. " , |
53 | "192.0.2.\t" , |
54 | "192.0.2.\n" , |
55 | "192.0.2. X" , |
56 | "192.0.2.\tY" , |
57 | "192.0.2.\nZ" , |
58 | "2001:db8::1 " , |
59 | "2001:db8::2\t" , |
60 | "2001:db8::3\n" , |
61 | "2001:db8::4 X" , |
62 | "2001:db8::5\tY" , |
63 | "2001:db8::6\nZ" , |
64 | }; |
65 | for (size_t query_idx = 0; query_idx < array_length (queries); ++query_idx) |
66 | { |
67 | const char *query = queries[query_idx]; |
68 | struct hostent storage; |
69 | char buf[4096]; |
70 | struct hostent *e; |
71 | |
72 | h_errno = 0; |
73 | TEST_VERIFY (gethostbyname (query) == NULL); |
74 | TEST_COMPARE (h_errno, HOST_NOT_FOUND); |
75 | |
76 | h_errno = 0; |
77 | e = NULL; |
78 | TEST_COMPARE (gethostbyname_r (query, &storage, buf, sizeof (buf), |
79 | &e, &h_errno), 0); |
80 | TEST_VERIFY (e == NULL); |
81 | TEST_COMPARE (h_errno, HOST_NOT_FOUND); |
82 | |
83 | h_errno = 0; |
84 | TEST_VERIFY (gethostbyname2 (query, AF_INET) == NULL); |
85 | TEST_COMPARE (h_errno, HOST_NOT_FOUND); |
86 | |
87 | h_errno = 0; |
88 | e = NULL; |
89 | TEST_COMPARE (gethostbyname2_r (query, AF_INET, |
90 | &storage, buf, sizeof (buf), |
91 | &e, &h_errno), 0); |
92 | TEST_VERIFY (e == NULL); |
93 | TEST_COMPARE (h_errno, HOST_NOT_FOUND); |
94 | |
95 | h_errno = 0; |
96 | TEST_VERIFY (gethostbyname2 (query, AF_INET6) == NULL); |
97 | TEST_COMPARE (h_errno, HOST_NOT_FOUND); |
98 | |
99 | h_errno = 0; |
100 | e = NULL; |
101 | TEST_COMPARE (gethostbyname2_r (query, AF_INET6, |
102 | &storage, buf, sizeof (buf), |
103 | &e, &h_errno), 0); |
104 | TEST_VERIFY (e == NULL); |
105 | TEST_COMPARE (h_errno, HOST_NOT_FOUND); |
106 | |
107 | static const int gai_flags[] = |
108 | { |
109 | 0, |
110 | AI_ADDRCONFIG, |
111 | AI_NUMERICHOST, |
112 | AI_IDN, |
113 | AI_IDN | AI_NUMERICHOST, |
114 | AI_V4MAPPED, |
115 | AI_V4MAPPED | AI_NUMERICHOST, |
116 | }; |
117 | for (size_t gai_flags_idx; gai_flags_idx < array_length (gai_flags); |
118 | ++gai_flags_idx) |
119 | { |
120 | struct addrinfo hints = { .ai_flags = gai_flags[gai_flags_idx], }; |
121 | struct addrinfo *ai; |
122 | hints.ai_family = AF_INET; |
123 | TEST_COMPARE (getaddrinfo (query, "80" , &hints, &ai), EAI_NONAME); |
124 | hints.ai_family = AF_INET6; |
125 | TEST_COMPARE (getaddrinfo (query, "80" , &hints, &ai), EAI_NONAME); |
126 | hints.ai_family = AF_UNSPEC; |
127 | TEST_COMPARE (getaddrinfo (query, "80" , &hints, &ai), EAI_NONAME); |
128 | } |
129 | }; |
130 | |
131 | resolv_test_end (aux); |
132 | |
133 | return 0; |
134 | } |
135 | |
136 | #include <support/test-driver.c> |
137 | |