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-rw-r--r--src/test/test-hostname-util.c150
1 files changed, 150 insertions, 0 deletions
diff --git a/src/test/test-hostname-util.c b/src/test/test-hostname-util.c
new file mode 100644
index 0000000..4126a24
--- /dev/null
+++ b/src/test/test-hostname-util.c
@@ -0,0 +1,150 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include "alloc-util.h"
+#include "fileio.h"
+#include "hostname-util.h"
+#include "string-util.h"
+#include "tmpfile-util.h"
+#include "util.h"
+
+static void test_hostname_is_valid(void) {
+ assert_se(hostname_is_valid("foobar", false));
+ assert_se(hostname_is_valid("foobar.com", false));
+ assert_se(!hostname_is_valid("foobar.com.", false));
+ assert_se(hostname_is_valid("fooBAR", false));
+ assert_se(hostname_is_valid("fooBAR.com", false));
+ assert_se(!hostname_is_valid("fooBAR.", false));
+ assert_se(!hostname_is_valid("fooBAR.com.", false));
+ assert_se(!hostname_is_valid("fööbar", false));
+ assert_se(!hostname_is_valid("", false));
+ assert_se(!hostname_is_valid(".", false));
+ assert_se(!hostname_is_valid("..", false));
+ assert_se(!hostname_is_valid("foobar.", false));
+ assert_se(!hostname_is_valid(".foobar", false));
+ assert_se(!hostname_is_valid("foo..bar", false));
+ assert_se(!hostname_is_valid("foo.bar..", false));
+ assert_se(!hostname_is_valid("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", false));
+ assert_se(!hostname_is_valid("au-xph5-rvgrdsb5hcxc-47et3a5vvkrc-server-wyoz4elpdpe3.openstack.local", false));
+
+ assert_se(hostname_is_valid("foobar", true));
+ assert_se(hostname_is_valid("foobar.com", true));
+ assert_se(hostname_is_valid("foobar.com.", true));
+ assert_se(hostname_is_valid("fooBAR", true));
+ assert_se(hostname_is_valid("fooBAR.com", true));
+ assert_se(!hostname_is_valid("fooBAR.", true));
+ assert_se(hostname_is_valid("fooBAR.com.", true));
+ assert_se(!hostname_is_valid("fööbar", true));
+ assert_se(!hostname_is_valid("", true));
+ assert_se(!hostname_is_valid(".", true));
+ assert_se(!hostname_is_valid("..", true));
+ assert_se(!hostname_is_valid("foobar.", true));
+ assert_se(!hostname_is_valid(".foobar", true));
+ assert_se(!hostname_is_valid("foo..bar", true));
+ assert_se(!hostname_is_valid("foo.bar..", true));
+ assert_se(!hostname_is_valid("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", true));
+}
+
+static void test_hostname_cleanup(void) {
+ char *s;
+
+ s = strdupa("foobar");
+ assert_se(streq(hostname_cleanup(s), "foobar"));
+ s = strdupa("foobar.com");
+ assert_se(streq(hostname_cleanup(s), "foobar.com"));
+ s = strdupa("foobar.com.");
+ assert_se(streq(hostname_cleanup(s), "foobar.com"));
+ s = strdupa("foo-bar.-com-.");
+ assert_se(streq(hostname_cleanup(s), "foo-bar.com"));
+ s = strdupa("foo-bar-.-com-.");
+ assert_se(streq(hostname_cleanup(s), "foo-bar--com"));
+ s = strdupa("--foo-bar.-com");
+ assert_se(streq(hostname_cleanup(s), "foo-bar.com"));
+ s = strdupa("fooBAR");
+ assert_se(streq(hostname_cleanup(s), "fooBAR"));
+ s = strdupa("fooBAR.com");
+ assert_se(streq(hostname_cleanup(s), "fooBAR.com"));
+ s = strdupa("fooBAR.");
+ assert_se(streq(hostname_cleanup(s), "fooBAR"));
+ s = strdupa("fooBAR.com.");
+ assert_se(streq(hostname_cleanup(s), "fooBAR.com"));
+ s = strdupa("fööbar");
+ assert_se(streq(hostname_cleanup(s), "fbar"));
+ s = strdupa("");
+ assert_se(isempty(hostname_cleanup(s)));
+ s = strdupa(".");
+ assert_se(isempty(hostname_cleanup(s)));
+ s = strdupa("..");
+ assert_se(isempty(hostname_cleanup(s)));
+ s = strdupa("foobar.");
+ assert_se(streq(hostname_cleanup(s), "foobar"));
+ s = strdupa(".foobar");
+ assert_se(streq(hostname_cleanup(s), "foobar"));
+ s = strdupa("foo..bar");
+ assert_se(streq(hostname_cleanup(s), "foo.bar"));
+ s = strdupa("foo.bar..");
+ assert_se(streq(hostname_cleanup(s), "foo.bar"));
+ s = strdupa("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
+ assert_se(streq(hostname_cleanup(s), "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"));
+ s = strdupa("xxxx........xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
+ assert_se(streq(hostname_cleanup(s), "xxxx.xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"));
+}
+
+static void test_read_etc_hostname(void) {
+ char path[] = "/tmp/hostname.XXXXXX";
+ char *hostname;
+ int fd;
+
+ fd = mkostemp_safe(path);
+ assert(fd > 0);
+ close(fd);
+
+ /* simple hostname */
+ assert_se(write_string_file(path, "foo", WRITE_STRING_FILE_CREATE) == 0);
+ assert_se(read_etc_hostname(path, &hostname) == 0);
+ assert_se(streq(hostname, "foo"));
+ hostname = mfree(hostname);
+
+ /* with comment */
+ assert_se(write_string_file(path, "# comment\nfoo", WRITE_STRING_FILE_CREATE) == 0);
+ assert_se(read_etc_hostname(path, &hostname) == 0);
+ assert_se(hostname);
+ assert_se(streq(hostname, "foo"));
+ hostname = mfree(hostname);
+
+ /* with comment and extra whitespace */
+ assert_se(write_string_file(path, "# comment\n\n foo ", WRITE_STRING_FILE_CREATE) == 0);
+ assert_se(read_etc_hostname(path, &hostname) == 0);
+ assert_se(hostname);
+ assert_se(streq(hostname, "foo"));
+ hostname = mfree(hostname);
+
+ /* cleans up name */
+ assert_se(write_string_file(path, "!foo/bar.com", WRITE_STRING_FILE_CREATE) == 0);
+ assert_se(read_etc_hostname(path, &hostname) == 0);
+ assert_se(hostname);
+ assert_se(streq(hostname, "foobar.com"));
+ hostname = mfree(hostname);
+
+ /* no value set */
+ hostname = (char*) 0x1234;
+ assert_se(write_string_file(path, "# nothing here\n", WRITE_STRING_FILE_CREATE) == 0);
+ assert_se(read_etc_hostname(path, &hostname) == -ENOENT);
+ assert_se(hostname == (char*) 0x1234); /* does not touch argument on error */
+
+ /* nonexisting file */
+ assert_se(read_etc_hostname("/non/existing", &hostname) == -ENOENT);
+ assert_se(hostname == (char*) 0x1234); /* does not touch argument on error */
+
+ unlink(path);
+}
+
+int main(int argc, char *argv[]) {
+ log_parse_environment();
+ log_open();
+
+ test_hostname_is_valid();
+ test_hostname_cleanup();
+ test_read_etc_hostname();
+
+ return 0;
+}