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1 | /* Test continue and merge NSS actions for getaddrinfo. |
2 | Copyright The GNU Toolchain Authors. | |
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 <dlfcn.h> | |
20 | #include <gnu/lib-names.h> | |
21 | #include <nss.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | ||
26 | #include <support/check.h> | |
27 | #include <support/format_nss.h> | |
28 | #include <support/support.h> | |
29 | #include <support/xstdio.h> | |
30 | #include <support/xunistd.h> | |
31 | ||
32 | enum | |
33 | { | |
34 | ACTION_MERGE = 0, | |
35 | ACTION_CONTINUE, | |
36 | }; | |
37 | ||
38 | static const char * | |
39 | family_str (int family) | |
40 | { | |
41 | switch (family) | |
42 | { | |
43 | case AF_UNSPEC: | |
44 | return "AF_UNSPEC"; | |
45 | case AF_INET: | |
46 | return "AF_INET"; | |
47 | default: | |
48 | __builtin_unreachable (); | |
49 | } | |
50 | } | |
51 | ||
52 | static const char * | |
53 | action_str (int action) | |
54 | { | |
55 | switch (action) | |
56 | { | |
57 | case ACTION_MERGE: | |
58 | return "merge"; | |
59 | case ACTION_CONTINUE: | |
60 | return "continue"; | |
61 | default: | |
62 | __builtin_unreachable (); | |
63 | } | |
64 | } | |
65 | ||
66 | static void | |
67 | do_one_test (int action, int family, bool canon) | |
68 | { | |
69 | struct addrinfo hints = | |
70 | { | |
71 | .ai_family = family, | |
72 | }; | |
73 | ||
74 | struct addrinfo *ai; | |
75 | ||
76 | if (canon) | |
77 | hints.ai_flags = AI_CANONNAME; | |
78 | ||
79 | printf ("***** Testing \"files [SUCCESS=%s] files\" for family %s, %s\n", | |
80 | action_str (action), family_str (family), | |
81 | canon ? "AI_CANONNAME" : ""); | |
82 | ||
83 | int ret = getaddrinfo ("example.org", "80", &hints, &ai); | |
84 | ||
85 | switch (action) | |
86 | { | |
87 | case ACTION_MERGE: | |
88 | if (ret == 0) | |
89 | { | |
90 | char *formatted = support_format_addrinfo (ai, ret); | |
91 | ||
92 | printf ("merge unexpectedly succeeded:\n %s\n", formatted); | |
93 | support_record_failure (); | |
94 | free (formatted); | |
95 | } | |
96 | else | |
97 | return; | |
98 | case ACTION_CONTINUE: | |
99 | { | |
100 | char *formatted = support_format_addrinfo (ai, ret); | |
101 | ||
102 | /* Verify that the result appears exactly once. */ | |
103 | const char *expected = "address: STREAM/TCP 192.0.0.1 80\n" | |
104 | "address: DGRAM/UDP 192.0.0.1 80\n" | |
105 | "address: RAW/IP 192.0.0.1 80\n"; | |
106 | ||
107 | const char *contains = strstr (formatted, expected); | |
108 | const char *contains2 = NULL; | |
109 | ||
110 | if (contains != NULL) | |
111 | contains2 = strstr (contains + strlen (expected), expected); | |
112 | ||
113 | if (contains == NULL || contains2 != NULL) | |
114 | { | |
115 | printf ("continue failed:\n%s\n", formatted); | |
116 | support_record_failure (); | |
117 | } | |
118 | ||
119 | free (formatted); | |
120 | break; | |
121 | } | |
122 | default: | |
123 | __builtin_unreachable (); | |
124 | } | |
125 | } | |
126 | ||
127 | static void | |
128 | do_one_test_set (int action) | |
129 | { | |
130 | char buf[32]; | |
131 | ||
132 | snprintf (buf, sizeof (buf), "files [SUCCESS=%s] files", | |
133 | action_str (action)); | |
134 | __nss_configure_lookup ("hosts", buf); | |
135 | ||
136 | do_one_test (action, AF_UNSPEC, false); | |
137 | do_one_test (action, AF_INET, false); | |
138 | do_one_test (action, AF_INET, true); | |
139 | } | |
140 | ||
141 | static int | |
142 | do_test (void) | |
143 | { | |
144 | do_one_test_set (ACTION_CONTINUE); | |
145 | do_one_test_set (ACTION_MERGE); | |
146 | return 0; | |
147 | } | |
148 | ||
149 | #include <support/test-driver.c> |