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Diffstat (limited to 'src/resolve/test-dns-domain.c')
| -rw-r--r-- | src/resolve/test-dns-domain.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/resolve/test-dns-domain.c b/src/resolve/test-dns-domain.c new file mode 100644 index 0000000000..bd53402be8 --- /dev/null +++ b/src/resolve/test-dns-domain.c @@ -0,0 +1,173 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2014 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. + ***/ + +#include "log.h" +#include "resolved-dns-domain.h" + +static void test_dns_label_unescape_one(const char *what, const char *expect, size_t buffer_sz, int ret) { + char buffer[buffer_sz]; + int r; + + r = dns_label_unescape(&what, buffer, buffer_sz); + assert_se(r == ret); + + if (r < 0) + return; + + assert_se(streq(buffer, expect)); +} + +static void test_dns_label_unescape(void) { + test_dns_label_unescape_one("hallo", "hallo", 6, 5); + test_dns_label_unescape_one("hallo", "hallo", 4, -ENOSPC); + test_dns_label_unescape_one("", "", 10, 0); + test_dns_label_unescape_one("hallo\\.foobar", "hallo.foobar", 20, 12); + test_dns_label_unescape_one("hallo.foobar", "hallo", 10, 5); + test_dns_label_unescape_one("hallo\n.foobar", "hallo", 20, -EINVAL); + test_dns_label_unescape_one("hallo\\", "hallo", 20, -EINVAL); + test_dns_label_unescape_one("hallo\\032 ", "hallo ", 20, 7); + test_dns_label_unescape_one(".", "", 20, 0); + test_dns_label_unescape_one("..", "", 20, -EINVAL); + test_dns_label_unescape_one(".foobar", "", 20, -EINVAL); + test_dns_label_unescape_one("foobar.", "foobar", 20, 6); +} + +static void test_dns_label_escape_one(const char *what, size_t l, const char *expect, int ret) { + _cleanup_free_ char *t = NULL; + int r; + + r = dns_label_escape(what, l, &t); + assert(r == ret); + + if (r < 0) + return; + + assert_se(streq_ptr(expect, t)); +} + +static void test_dns_label_escape(void) { + test_dns_label_escape_one("", 0, "", 0); + test_dns_label_escape_one("hallo", 5, "hallo", 5); + test_dns_label_escape_one("hallo", 6, NULL, -EINVAL); + test_dns_label_escape_one("hallo hallo.foobar,waldi", 24, "hallo\\032hallo\\.foobar\\044waldi", 31); +} + +static void test_dns_name_normalize_one(const char *what, const char *expect, int ret) { + _cleanup_free_ char *t = NULL; + int r; + + r = dns_name_normalize(what, &t); + assert_se(r == ret); + + if (r < 0) + return; + + assert_se(streq_ptr(expect, t)); +} + +static void test_dns_name_normalize(void) { + test_dns_name_normalize_one("", "", 0); + test_dns_name_normalize_one("f", "f", 0); + test_dns_name_normalize_one("f.waldi", "f.waldi", 0); + test_dns_name_normalize_one("f \\032.waldi", "f\\032\\032.waldi", 0); + test_dns_name_normalize_one("\\000", NULL, -EINVAL); + test_dns_name_normalize_one("..", NULL, -EINVAL); + test_dns_name_normalize_one(".foobar", NULL, -EINVAL); + test_dns_name_normalize_one("foobar.", "foobar", 0); + test_dns_name_normalize_one(".", "", 0); +} + +static void test_dns_name_equal_one(const char *a, const char *b, int ret) { + int r; + + r = dns_name_equal(a, b); + assert_se(r == ret); + + r = dns_name_equal(b, a); + assert_se(r == ret); +} + +static void test_dns_name_equal(void) { + test_dns_name_equal_one("", "", true); + test_dns_name_equal_one("x", "x", true); + test_dns_name_equal_one("x", "x.", true); + test_dns_name_equal_one("abc.def", "abc.def", true); + test_dns_name_equal_one("abc.def", "ABC.def", true); + test_dns_name_equal_one("abc.def", "CBA.def", false); + test_dns_name_equal_one("", "xxx", false); + test_dns_name_equal_one("ab", "a", false); + test_dns_name_equal_one("\\000", "xxxx", -EINVAL); + test_dns_name_equal_one(".", "", true); + test_dns_name_equal_one(".", ".", true); + test_dns_name_equal_one("..", "..", -EINVAL); +} + +static void test_dns_name_endswith_one(const char *a, const char *b, int ret) { + assert_se(dns_name_endswith(a, b) == ret); +} + +static void test_dns_name_endswith(void) { + test_dns_name_endswith_one("", "", true); + test_dns_name_endswith_one("", "xxx", false); + test_dns_name_endswith_one("xxx", "", true); + test_dns_name_endswith_one("x", "x", true); + test_dns_name_endswith_one("x", "y", false); + test_dns_name_endswith_one("x.y", "y", true); + test_dns_name_endswith_one("x.y", "Y", true); + test_dns_name_endswith_one("x.y", "x", false); + test_dns_name_endswith_one("x.y.z", "Z", true); + test_dns_name_endswith_one("x.y.z", "y.Z", true); + test_dns_name_endswith_one("x.y.z", "x.y.Z", true); + test_dns_name_endswith_one("x.y.z", "waldo", false); + test_dns_name_endswith_one("x.y.z.u.v.w", "y.z", false); + test_dns_name_endswith_one("x.y.z.u.v.w", "u.v.w", true); + test_dns_name_endswith_one("x.y\001.z", "waldo", -EINVAL); +} + +static void test_dns_name_root(void) { + assert_se(dns_name_root("") == true); + assert_se(dns_name_root(".") == true); + assert_se(dns_name_root("xxx") == false); + assert_se(dns_name_root("xxx.") == false); + assert_se(dns_name_root("..") == -EINVAL); +} + +static void test_dns_name_single_label(void) { + assert_se(dns_name_single_label("") == false); + assert_se(dns_name_single_label(".") == false); + assert_se(dns_name_single_label("..") == -EINVAL); + assert_se(dns_name_single_label("x") == true); + assert_se(dns_name_single_label("x.") == true); + assert_se(dns_name_single_label("xx.yy") == false); +} + +int main(int argc, char *argv[]) { + + test_dns_label_unescape(); + test_dns_label_escape(); + test_dns_name_normalize(); + test_dns_name_equal(); + test_dns_name_endswith(); + test_dns_name_root(); + test_dns_name_single_label(); + + return 0; +} |