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f4a6be25 | 1 | /* Parse /etc/hosts in multi mode with a trailing long line (bug 21915). |
688903eb | 2 | Copyright (C) 2017-2018 Free Software Foundation, Inc. |
f4a6be25 FW |
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 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | ||
20 | #include <dlfcn.h> | |
21 | #include <errno.h> | |
22 | #include <gnu/lib-names.h> | |
23 | #include <netdb.h> | |
24 | #include <nss.h> | |
25 | #include <support/check.h> | |
26 | #include <support/check_nss.h> | |
27 | #include <support/namespace.h> | |
28 | #include <support/test-driver.h> | |
29 | #include <support/xunistd.h> | |
30 | ||
31 | struct support_chroot *chroot_env; | |
32 | ||
33 | #define X10 "XXXXXXXXXX" | |
34 | #define X100 X10 X10 X10 X10 X10 X10 X10 X10 X10 X10 | |
35 | #define X1000 X100 X100 X100 X100 X100 X100 X100 X100 X100 X100 | |
36 | ||
37 | static void | |
38 | prepare (int argc, char **argv) | |
39 | { | |
40 | chroot_env = support_chroot_create | |
41 | ((struct support_chroot_configuration) | |
42 | { | |
43 | .resolv_conf = "", | |
44 | .hosts = | |
45 | "127.0.0.1 localhost localhost.localdomain\n" | |
46 | "::1 localhost localhost.localdomain\n" | |
47 | "192.0.2.1 example.com\n" | |
48 | "#" X1000 X100 "\n", | |
49 | .host_conf = "multi on\n", | |
50 | }); | |
51 | } | |
52 | ||
53 | static int | |
54 | do_test (void) | |
55 | { | |
56 | support_become_root (); | |
57 | if (!support_can_chroot ()) | |
58 | return EXIT_UNSUPPORTED; | |
59 | ||
60 | __nss_configure_lookup ("hosts", "files"); | |
61 | if (dlopen (LIBNSS_FILES_SO, RTLD_LAZY) == NULL) | |
62 | FAIL_EXIT1 ("could not load " LIBNSS_DNS_SO ": %s", dlerror ()); | |
63 | ||
64 | xchroot (chroot_env->path_chroot); | |
65 | ||
66 | errno = ERANGE; | |
67 | h_errno = NETDB_INTERNAL; | |
68 | check_hostent ("gethostbyname example.com", | |
69 | gethostbyname ("example.com"), | |
70 | "name: example.com\n" | |
71 | "address: 192.0.2.1\n"); | |
72 | errno = ERANGE; | |
73 | h_errno = NETDB_INTERNAL; | |
74 | check_hostent ("gethostbyname2 AF_INET example.com", | |
75 | gethostbyname2 ("example.com", AF_INET), | |
76 | "name: example.com\n" | |
77 | "address: 192.0.2.1\n"); | |
78 | { | |
79 | struct addrinfo hints = | |
80 | { | |
81 | .ai_family = AF_UNSPEC, | |
82 | .ai_socktype = SOCK_STREAM, | |
83 | .ai_protocol = IPPROTO_TCP, | |
84 | }; | |
85 | errno = ERANGE; | |
86 | h_errno = NETDB_INTERNAL; | |
87 | struct addrinfo *ai; | |
88 | int ret = getaddrinfo ("example.com", "80", &hints, &ai); | |
89 | check_addrinfo ("example.com AF_UNSPEC", ai, ret, | |
90 | "address: STREAM/TCP 192.0.2.1 80\n"); | |
91 | if (ret == 0) | |
92 | freeaddrinfo (ai); | |
93 | ||
94 | hints.ai_family = AF_INET; | |
95 | errno = ERANGE; | |
96 | h_errno = NETDB_INTERNAL; | |
97 | ret = getaddrinfo ("example.com", "80", &hints, &ai); | |
98 | check_addrinfo ("example.com AF_INET", ai, ret, | |
99 | "address: STREAM/TCP 192.0.2.1 80\n"); | |
100 | if (ret == 0) | |
101 | freeaddrinfo (ai); | |
102 | } | |
103 | ||
104 | support_chroot_free (chroot_env); | |
105 | return 0; | |
106 | } | |
107 | ||
108 | #define PREPARE prepare | |
109 | #include <support/test-driver.c> |