Line data Source code
1 : /* SPDX-License-Identifier: LGPL-2.1+ */
2 :
3 : #include <unistd.h>
4 :
5 : #include "alloc-util.h"
6 : #include "fileio.h"
7 : #include "hostname-util.h"
8 : #include "string-util.h"
9 : #include "tmpfile-util.h"
10 : #include "util.h"
11 :
12 1 : static void test_hostname_is_valid(void) {
13 1 : assert_se(hostname_is_valid("foobar", false));
14 1 : assert_se(hostname_is_valid("foobar.com", false));
15 1 : assert_se(!hostname_is_valid("foobar.com.", false));
16 1 : assert_se(hostname_is_valid("fooBAR", false));
17 1 : assert_se(hostname_is_valid("fooBAR.com", false));
18 1 : assert_se(!hostname_is_valid("fooBAR.", false));
19 1 : assert_se(!hostname_is_valid("fooBAR.com.", false));
20 1 : assert_se(!hostname_is_valid("fööbar", false));
21 1 : assert_se(!hostname_is_valid("", false));
22 1 : assert_se(!hostname_is_valid(".", false));
23 1 : assert_se(!hostname_is_valid("..", false));
24 1 : assert_se(!hostname_is_valid("foobar.", false));
25 1 : assert_se(!hostname_is_valid(".foobar", false));
26 1 : assert_se(!hostname_is_valid("foo..bar", false));
27 1 : assert_se(!hostname_is_valid("foo.bar..", false));
28 1 : assert_se(!hostname_is_valid("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", false));
29 1 : assert_se(!hostname_is_valid("au-xph5-rvgrdsb5hcxc-47et3a5vvkrc-server-wyoz4elpdpe3.openstack.local", false));
30 :
31 1 : assert_se(hostname_is_valid("foobar", true));
32 1 : assert_se(hostname_is_valid("foobar.com", true));
33 1 : assert_se(hostname_is_valid("foobar.com.", true));
34 1 : assert_se(hostname_is_valid("fooBAR", true));
35 1 : assert_se(hostname_is_valid("fooBAR.com", true));
36 1 : assert_se(!hostname_is_valid("fooBAR.", true));
37 1 : assert_se(hostname_is_valid("fooBAR.com.", true));
38 1 : assert_se(!hostname_is_valid("fööbar", true));
39 1 : assert_se(!hostname_is_valid("", true));
40 1 : assert_se(!hostname_is_valid(".", true));
41 1 : assert_se(!hostname_is_valid("..", true));
42 1 : assert_se(!hostname_is_valid("foobar.", true));
43 1 : assert_se(!hostname_is_valid(".foobar", true));
44 1 : assert_se(!hostname_is_valid("foo..bar", true));
45 1 : assert_se(!hostname_is_valid("foo.bar..", true));
46 1 : assert_se(!hostname_is_valid("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", true));
47 1 : }
48 :
49 1 : static void test_hostname_cleanup(void) {
50 : char *s;
51 :
52 1 : s = strdupa("foobar");
53 1 : assert_se(streq(hostname_cleanup(s), "foobar"));
54 1 : s = strdupa("foobar.com");
55 1 : assert_se(streq(hostname_cleanup(s), "foobar.com"));
56 1 : s = strdupa("foobar.com.");
57 1 : assert_se(streq(hostname_cleanup(s), "foobar.com"));
58 1 : s = strdupa("foo-bar.-com-.");
59 1 : assert_se(streq(hostname_cleanup(s), "foo-bar.com"));
60 1 : s = strdupa("foo-bar-.-com-.");
61 1 : assert_se(streq(hostname_cleanup(s), "foo-bar--com"));
62 1 : s = strdupa("--foo-bar.-com");
63 1 : assert_se(streq(hostname_cleanup(s), "foo-bar.com"));
64 1 : s = strdupa("fooBAR");
65 1 : assert_se(streq(hostname_cleanup(s), "fooBAR"));
66 1 : s = strdupa("fooBAR.com");
67 1 : assert_se(streq(hostname_cleanup(s), "fooBAR.com"));
68 1 : s = strdupa("fooBAR.");
69 1 : assert_se(streq(hostname_cleanup(s), "fooBAR"));
70 1 : s = strdupa("fooBAR.com.");
71 1 : assert_se(streq(hostname_cleanup(s), "fooBAR.com"));
72 1 : s = strdupa("fööbar");
73 1 : assert_se(streq(hostname_cleanup(s), "fbar"));
74 1 : s = strdupa("");
75 1 : assert_se(isempty(hostname_cleanup(s)));
76 1 : s = strdupa(".");
77 1 : assert_se(isempty(hostname_cleanup(s)));
78 1 : s = strdupa("..");
79 1 : assert_se(isempty(hostname_cleanup(s)));
80 1 : s = strdupa("foobar.");
81 1 : assert_se(streq(hostname_cleanup(s), "foobar"));
82 1 : s = strdupa(".foobar");
83 1 : assert_se(streq(hostname_cleanup(s), "foobar"));
84 1 : s = strdupa("foo..bar");
85 1 : assert_se(streq(hostname_cleanup(s), "foo.bar"));
86 1 : s = strdupa("foo.bar..");
87 1 : assert_se(streq(hostname_cleanup(s), "foo.bar"));
88 1 : s = strdupa("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
89 1 : assert_se(streq(hostname_cleanup(s), "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"));
90 1 : s = strdupa("xxxx........xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
91 1 : assert_se(streq(hostname_cleanup(s), "xxxx.xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"));
92 1 : }
93 :
94 1 : static void test_read_etc_hostname(void) {
95 1 : char path[] = "/tmp/hostname.XXXXXX";
96 : char *hostname;
97 : int fd;
98 :
99 1 : fd = mkostemp_safe(path);
100 1 : assert(fd > 0);
101 1 : close(fd);
102 :
103 : /* simple hostname */
104 1 : assert_se(write_string_file(path, "foo", WRITE_STRING_FILE_CREATE) == 0);
105 1 : assert_se(read_etc_hostname(path, &hostname) == 0);
106 1 : assert_se(streq(hostname, "foo"));
107 1 : hostname = mfree(hostname);
108 :
109 : /* with comment */
110 1 : assert_se(write_string_file(path, "# comment\nfoo", WRITE_STRING_FILE_CREATE) == 0);
111 1 : assert_se(read_etc_hostname(path, &hostname) == 0);
112 1 : assert_se(hostname);
113 1 : assert_se(streq(hostname, "foo"));
114 1 : hostname = mfree(hostname);
115 :
116 : /* with comment and extra whitespace */
117 1 : assert_se(write_string_file(path, "# comment\n\n foo ", WRITE_STRING_FILE_CREATE) == 0);
118 1 : assert_se(read_etc_hostname(path, &hostname) == 0);
119 1 : assert_se(hostname);
120 1 : assert_se(streq(hostname, "foo"));
121 1 : hostname = mfree(hostname);
122 :
123 : /* cleans up name */
124 1 : assert_se(write_string_file(path, "!foo/bar.com", WRITE_STRING_FILE_CREATE) == 0);
125 1 : assert_se(read_etc_hostname(path, &hostname) == 0);
126 1 : assert_se(hostname);
127 1 : assert_se(streq(hostname, "foobar.com"));
128 1 : hostname = mfree(hostname);
129 :
130 : /* no value set */
131 1 : hostname = (char*) 0x1234;
132 1 : assert_se(write_string_file(path, "# nothing here\n", WRITE_STRING_FILE_CREATE) == 0);
133 1 : assert_se(read_etc_hostname(path, &hostname) == -ENOENT);
134 1 : assert_se(hostname == (char*) 0x1234); /* does not touch argument on error */
135 :
136 : /* nonexisting file */
137 1 : assert_se(read_etc_hostname("/non/existing", &hostname) == -ENOENT);
138 1 : assert_se(hostname == (char*) 0x1234); /* does not touch argument on error */
139 :
140 1 : unlink(path);
141 1 : }
142 :
143 1 : int main(int argc, char *argv[]) {
144 1 : log_parse_environment();
145 1 : log_open();
146 :
147 1 : test_hostname_is_valid();
148 1 : test_hostname_cleanup();
149 1 : test_read_etc_hostname();
150 :
151 1 : return 0;
152 : }
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