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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
8fb49443 | 2 | |
ca78ad1d ZJS |
3 | #include <unistd.h> |
4 | ||
b5efdb8a | 5 | #include "alloc-util.h" |
8fb49443 ZJS |
6 | #include "fileio.h" |
7 | #include "hostname-util.h" | |
07630cea | 8 | #include "string-util.h" |
e4de7287 | 9 | #include "tmpfile-util.h" |
b5efdb8a | 10 | #include "util.h" |
8fb49443 ZJS |
11 | |
12 | static void test_hostname_is_valid(void) { | |
13 | assert_se(hostname_is_valid("foobar", false)); | |
14 | assert_se(hostname_is_valid("foobar.com", false)); | |
15 | assert_se(!hostname_is_valid("foobar.com.", false)); | |
16 | assert_se(hostname_is_valid("fooBAR", false)); | |
17 | assert_se(hostname_is_valid("fooBAR.com", false)); | |
18 | assert_se(!hostname_is_valid("fooBAR.", false)); | |
19 | assert_se(!hostname_is_valid("fooBAR.com.", false)); | |
20 | assert_se(!hostname_is_valid("fööbar", false)); | |
21 | assert_se(!hostname_is_valid("", false)); | |
22 | assert_se(!hostname_is_valid(".", false)); | |
23 | assert_se(!hostname_is_valid("..", false)); | |
24 | assert_se(!hostname_is_valid("foobar.", false)); | |
25 | assert_se(!hostname_is_valid(".foobar", false)); | |
26 | assert_se(!hostname_is_valid("foo..bar", false)); | |
27 | assert_se(!hostname_is_valid("foo.bar..", false)); | |
28 | assert_se(!hostname_is_valid("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", false)); | |
2c85bbaa | 29 | assert_se(!hostname_is_valid("au-xph5-rvgrdsb5hcxc-47et3a5vvkrc-server-wyoz4elpdpe3.openstack.local", false)); |
8fb49443 ZJS |
30 | |
31 | assert_se(hostname_is_valid("foobar", true)); | |
32 | assert_se(hostname_is_valid("foobar.com", true)); | |
33 | assert_se(hostname_is_valid("foobar.com.", true)); | |
34 | assert_se(hostname_is_valid("fooBAR", true)); | |
35 | assert_se(hostname_is_valid("fooBAR.com", true)); | |
36 | assert_se(!hostname_is_valid("fooBAR.", true)); | |
37 | assert_se(hostname_is_valid("fooBAR.com.", true)); | |
38 | assert_se(!hostname_is_valid("fööbar", true)); | |
39 | assert_se(!hostname_is_valid("", true)); | |
40 | assert_se(!hostname_is_valid(".", true)); | |
41 | assert_se(!hostname_is_valid("..", true)); | |
42 | assert_se(!hostname_is_valid("foobar.", true)); | |
43 | assert_se(!hostname_is_valid(".foobar", true)); | |
44 | assert_se(!hostname_is_valid("foo..bar", true)); | |
45 | assert_se(!hostname_is_valid("foo.bar..", true)); | |
46 | assert_se(!hostname_is_valid("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", true)); | |
47 | } | |
48 | ||
49 | static void test_hostname_cleanup(void) { | |
50 | char *s; | |
51 | ||
52 | s = strdupa("foobar"); | |
ae691c1d | 53 | assert_se(streq(hostname_cleanup(s), "foobar")); |
8fb49443 | 54 | s = strdupa("foobar.com"); |
ae691c1d | 55 | assert_se(streq(hostname_cleanup(s), "foobar.com")); |
8fb49443 | 56 | s = strdupa("foobar.com."); |
ae691c1d | 57 | assert_se(streq(hostname_cleanup(s), "foobar.com")); |
d65652f1 ZJS |
58 | s = strdupa("foo-bar.-com-."); |
59 | assert_se(streq(hostname_cleanup(s), "foo-bar.com")); | |
60 | s = strdupa("foo-bar-.-com-."); | |
61 | assert_se(streq(hostname_cleanup(s), "foo-bar--com")); | |
62 | s = strdupa("--foo-bar.-com"); | |
63 | assert_se(streq(hostname_cleanup(s), "foo-bar.com")); | |
8fb49443 | 64 | s = strdupa("fooBAR"); |
ae691c1d | 65 | assert_se(streq(hostname_cleanup(s), "fooBAR")); |
8fb49443 | 66 | s = strdupa("fooBAR.com"); |
ae691c1d | 67 | assert_se(streq(hostname_cleanup(s), "fooBAR.com")); |
8fb49443 | 68 | s = strdupa("fooBAR."); |
ae691c1d | 69 | assert_se(streq(hostname_cleanup(s), "fooBAR")); |
8fb49443 | 70 | s = strdupa("fooBAR.com."); |
ae691c1d | 71 | assert_se(streq(hostname_cleanup(s), "fooBAR.com")); |
8fb49443 | 72 | s = strdupa("fööbar"); |
ae691c1d | 73 | assert_se(streq(hostname_cleanup(s), "fbar")); |
8fb49443 | 74 | s = strdupa(""); |
ae691c1d | 75 | assert_se(isempty(hostname_cleanup(s))); |
8fb49443 | 76 | s = strdupa("."); |
ae691c1d | 77 | assert_se(isempty(hostname_cleanup(s))); |
8fb49443 | 78 | s = strdupa(".."); |
ae691c1d | 79 | assert_se(isempty(hostname_cleanup(s))); |
8fb49443 | 80 | s = strdupa("foobar."); |
ae691c1d | 81 | assert_se(streq(hostname_cleanup(s), "foobar")); |
8fb49443 | 82 | s = strdupa(".foobar"); |
ae691c1d | 83 | assert_se(streq(hostname_cleanup(s), "foobar")); |
8fb49443 | 84 | s = strdupa("foo..bar"); |
ae691c1d | 85 | assert_se(streq(hostname_cleanup(s), "foo.bar")); |
8fb49443 | 86 | s = strdupa("foo.bar.."); |
ae691c1d | 87 | assert_se(streq(hostname_cleanup(s), "foo.bar")); |
8fb49443 | 88 | s = strdupa("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"); |
ae691c1d | 89 | assert_se(streq(hostname_cleanup(s), "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx")); |
5fe7a0a7 ZJS |
90 | s = strdupa("xxxx........xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"); |
91 | assert_se(streq(hostname_cleanup(s), "xxxx.xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx")); | |
8fb49443 ZJS |
92 | } |
93 | ||
f35cb39e | 94 | static void test_read_etc_hostname(void) { |
8fb49443 ZJS |
95 | char path[] = "/tmp/hostname.XXXXXX"; |
96 | char *hostname; | |
97 | int fd; | |
98 | ||
646853bd | 99 | fd = mkostemp_safe(path); |
8fb49443 ZJS |
100 | assert(fd > 0); |
101 | close(fd); | |
102 | ||
103 | /* simple hostname */ | |
7beb3baf | 104 | assert_se(write_string_file(path, "foo", WRITE_STRING_FILE_CREATE) == 0); |
f35cb39e | 105 | assert_se(read_etc_hostname(path, &hostname) == 0); |
8fb49443 | 106 | assert_se(streq(hostname, "foo")); |
73974f67 | 107 | hostname = mfree(hostname); |
8fb49443 ZJS |
108 | |
109 | /* with comment */ | |
7beb3baf | 110 | assert_se(write_string_file(path, "# comment\nfoo", WRITE_STRING_FILE_CREATE) == 0); |
f35cb39e | 111 | assert_se(read_etc_hostname(path, &hostname) == 0); |
8fb49443 ZJS |
112 | assert_se(hostname); |
113 | assert_se(streq(hostname, "foo")); | |
73974f67 | 114 | hostname = mfree(hostname); |
8fb49443 ZJS |
115 | |
116 | /* with comment and extra whitespace */ | |
7beb3baf | 117 | assert_se(write_string_file(path, "# comment\n\n foo ", WRITE_STRING_FILE_CREATE) == 0); |
f35cb39e | 118 | assert_se(read_etc_hostname(path, &hostname) == 0); |
8fb49443 ZJS |
119 | assert_se(hostname); |
120 | assert_se(streq(hostname, "foo")); | |
73974f67 | 121 | hostname = mfree(hostname); |
8fb49443 ZJS |
122 | |
123 | /* cleans up name */ | |
7beb3baf | 124 | assert_se(write_string_file(path, "!foo/bar.com", WRITE_STRING_FILE_CREATE) == 0); |
f35cb39e | 125 | assert_se(read_etc_hostname(path, &hostname) == 0); |
8fb49443 ZJS |
126 | assert_se(hostname); |
127 | assert_se(streq(hostname, "foobar.com")); | |
73974f67 | 128 | hostname = mfree(hostname); |
8fb49443 ZJS |
129 | |
130 | /* no value set */ | |
131 | hostname = (char*) 0x1234; | |
7beb3baf | 132 | assert_se(write_string_file(path, "# nothing here\n", WRITE_STRING_FILE_CREATE) == 0); |
f35cb39e | 133 | assert_se(read_etc_hostname(path, &hostname) == -ENOENT); |
8fb49443 ZJS |
134 | assert_se(hostname == (char*) 0x1234); /* does not touch argument on error */ |
135 | ||
136 | /* nonexisting file */ | |
f35cb39e | 137 | assert_se(read_etc_hostname("/non/existing", &hostname) == -ENOENT); |
8fb49443 ZJS |
138 | assert_se(hostname == (char*) 0x1234); /* does not touch argument on error */ |
139 | ||
140 | unlink(path); | |
141 | } | |
142 | ||
e97708fa ZJS |
143 | static void test_hostname_malloc(void) { |
144 | _cleanup_free_ char *h = NULL, *l = NULL; | |
145 | ||
146 | assert_se(h = gethostname_malloc()); | |
147 | log_info("hostname_malloc: \"%s\"", h); | |
148 | ||
149 | assert_se(l = gethostname_short_malloc()); | |
150 | log_info("hostname_short_malloc: \"%s\"", l); | |
151 | } | |
152 | ||
eef4b800 ZJS |
153 | static void test_fallback_hostname(void) { |
154 | if (!hostname_is_valid(FALLBACK_HOSTNAME, false)) { | |
155 | log_error("Configured fallback hostname \"%s\" is not valid.", FALLBACK_HOSTNAME); | |
156 | exit(EXIT_FAILURE); | |
157 | } | |
158 | } | |
159 | ||
8fb49443 ZJS |
160 | int main(int argc, char *argv[]) { |
161 | log_parse_environment(); | |
162 | log_open(); | |
163 | ||
164 | test_hostname_is_valid(); | |
165 | test_hostname_cleanup(); | |
f35cb39e | 166 | test_read_etc_hostname(); |
e97708fa | 167 | test_hostname_malloc(); |
8fb49443 | 168 | |
eef4b800 ZJS |
169 | test_fallback_hostname(); |
170 | ||
8fb49443 ZJS |
171 | return 0; |
172 | } |