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Diffstat (limited to '')
| -rw-r--r-- | src/test/test-hostname-util.c | 172 |
1 files changed, 172 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..73839b3 --- /dev/null +++ b/src/test/test-hostname-util.c @@ -0,0 +1,172 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <unistd.h> + +#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); +} + +static void test_hostname_malloc(void) { + _cleanup_free_ char *h = NULL, *l = NULL; + + assert_se(h = gethostname_malloc()); + log_info("hostname_malloc: \"%s\"", h); + + assert_se(l = gethostname_short_malloc()); + log_info("hostname_short_malloc: \"%s\"", l); +} + +static void test_fallback_hostname(void) { + if (!hostname_is_valid(FALLBACK_HOSTNAME, false)) { + log_error("Configured fallback hostname \"%s\" is not valid.", FALLBACK_HOSTNAME); + exit(EXIT_FAILURE); + } +} + +int main(int argc, char *argv[]) { + log_parse_environment(); + log_open(); + + test_hostname_is_valid(); + test_hostname_cleanup(); + test_read_etc_hostname(); + test_hostname_malloc(); + + test_fallback_hostname(); + + return 0; +} |