193 lines
7.1 KiB
C
193 lines
7.1 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2014 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "macro.h"
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#include "resolved-dns-domain.h"
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static void test_dns_label_unescape_one(const char *what, const char *expect, size_t buffer_sz, int ret) {
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char buffer[buffer_sz];
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int r;
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r = dns_label_unescape(&what, buffer, buffer_sz);
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assert_se(r == ret);
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if (r < 0)
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return;
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assert_se(streq(buffer, expect));
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}
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static void test_dns_label_unescape(void) {
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test_dns_label_unescape_one("hallo", "hallo", 6, 5);
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test_dns_label_unescape_one("hallo", "hallo", 4, -ENOSPC);
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test_dns_label_unescape_one("", "", 10, 0);
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test_dns_label_unescape_one("hallo\\.foobar", "hallo.foobar", 20, 12);
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test_dns_label_unescape_one("hallo.foobar", "hallo", 10, 5);
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test_dns_label_unescape_one("hallo\n.foobar", "hallo", 20, -EINVAL);
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test_dns_label_unescape_one("hallo\\", "hallo", 20, -EINVAL);
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test_dns_label_unescape_one("hallo\\032 ", "hallo ", 20, 7);
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test_dns_label_unescape_one(".", "", 20, 0);
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test_dns_label_unescape_one("..", "", 20, -EINVAL);
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test_dns_label_unescape_one(".foobar", "", 20, -EINVAL);
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test_dns_label_unescape_one("foobar.", "foobar", 20, 6);
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}
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static void test_dns_label_escape_one(const char *what, size_t l, const char *expect, int ret) {
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_cleanup_free_ char *t = NULL;
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int r;
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r = dns_label_escape(what, l, &t);
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assert_se(r == ret);
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if (r < 0)
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return;
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assert_se(streq_ptr(expect, t));
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}
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static void test_dns_label_escape(void) {
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test_dns_label_escape_one("", 0, "", 0);
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test_dns_label_escape_one("hallo", 5, "hallo", 5);
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test_dns_label_escape_one("hallo", 6, NULL, -EINVAL);
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test_dns_label_escape_one("hallo hallo.foobar,waldi", 24, "hallo\\032hallo\\.foobar\\044waldi", 31);
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}
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static void test_dns_name_normalize_one(const char *what, const char *expect, int ret) {
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_cleanup_free_ char *t = NULL;
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int r;
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r = dns_name_normalize(what, &t);
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assert_se(r == ret);
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if (r < 0)
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return;
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assert_se(streq_ptr(expect, t));
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}
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static void test_dns_name_normalize(void) {
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test_dns_name_normalize_one("", "", 0);
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test_dns_name_normalize_one("f", "f", 0);
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test_dns_name_normalize_one("f.waldi", "f.waldi", 0);
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test_dns_name_normalize_one("f \\032.waldi", "f\\032\\032.waldi", 0);
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test_dns_name_normalize_one("\\000", NULL, -EINVAL);
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test_dns_name_normalize_one("..", NULL, -EINVAL);
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test_dns_name_normalize_one(".foobar", NULL, -EINVAL);
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test_dns_name_normalize_one("foobar.", "foobar", 0);
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test_dns_name_normalize_one(".", "", 0);
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}
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static void test_dns_name_equal_one(const char *a, const char *b, int ret) {
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int r;
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r = dns_name_equal(a, b);
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assert_se(r == ret);
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r = dns_name_equal(b, a);
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assert_se(r == ret);
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}
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static void test_dns_name_equal(void) {
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test_dns_name_equal_one("", "", true);
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test_dns_name_equal_one("x", "x", true);
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test_dns_name_equal_one("x", "x.", true);
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test_dns_name_equal_one("abc.def", "abc.def", true);
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test_dns_name_equal_one("abc.def", "ABC.def", true);
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test_dns_name_equal_one("abc.def", "CBA.def", false);
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test_dns_name_equal_one("", "xxx", false);
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test_dns_name_equal_one("ab", "a", false);
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test_dns_name_equal_one("\\000", "xxxx", -EINVAL);
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test_dns_name_equal_one(".", "", true);
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test_dns_name_equal_one(".", ".", true);
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test_dns_name_equal_one("..", "..", -EINVAL);
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}
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static void test_dns_name_endswith_one(const char *a, const char *b, int ret) {
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assert_se(dns_name_endswith(a, b) == ret);
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}
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static void test_dns_name_endswith(void) {
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test_dns_name_endswith_one("", "", true);
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test_dns_name_endswith_one("", "xxx", false);
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test_dns_name_endswith_one("xxx", "", true);
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test_dns_name_endswith_one("x", "x", true);
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test_dns_name_endswith_one("x", "y", false);
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test_dns_name_endswith_one("x.y", "y", true);
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test_dns_name_endswith_one("x.y", "Y", true);
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test_dns_name_endswith_one("x.y", "x", false);
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test_dns_name_endswith_one("x.y.z", "Z", true);
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test_dns_name_endswith_one("x.y.z", "y.Z", true);
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test_dns_name_endswith_one("x.y.z", "x.y.Z", true);
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test_dns_name_endswith_one("x.y.z", "waldo", false);
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test_dns_name_endswith_one("x.y.z.u.v.w", "y.z", false);
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test_dns_name_endswith_one("x.y.z.u.v.w", "u.v.w", true);
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test_dns_name_endswith_one("x.y\001.z", "waldo", -EINVAL);
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}
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static void test_dns_name_root(void) {
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assert_se(dns_name_root("") == true);
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assert_se(dns_name_root(".") == true);
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assert_se(dns_name_root("xxx") == false);
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assert_se(dns_name_root("xxx.") == false);
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assert_se(dns_name_root("..") == -EINVAL);
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}
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static void test_dns_name_single_label(void) {
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assert_se(dns_name_single_label("") == false);
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assert_se(dns_name_single_label(".") == false);
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assert_se(dns_name_single_label("..") == -EINVAL);
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assert_se(dns_name_single_label("x") == true);
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assert_se(dns_name_single_label("x.") == true);
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assert_se(dns_name_single_label("xx.yy") == false);
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}
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static void test_dns_name_reverse_one(const char *address, const char *name) {
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_cleanup_free_ char *p = NULL;
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union in_addr_union a, b = {};
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int familya, familyb;
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assert_se(in_addr_from_string_auto(address, &familya, &a) >= 0);
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assert_se(dns_name_reverse(familya, &a, &p) >= 0);
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assert_se(streq(p, name));
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assert_se(dns_name_address(p, &familyb, &b) > 0);
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assert_se(familya == familyb);
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assert_se(in_addr_equal(familya, &a, &b));
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}
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static void test_dns_name_reverse(void) {
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test_dns_name_reverse_one("47.11.8.15", "15.8.11.47.in-addr.arpa");
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test_dns_name_reverse_one("fe80::47", "7.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa");
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}
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int main(int argc, char *argv[]) {
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test_dns_label_unescape();
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test_dns_label_escape();
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test_dns_name_normalize();
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test_dns_name_equal();
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test_dns_name_endswith();
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test_dns_name_root();
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test_dns_name_single_label();
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test_dns_name_reverse();
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return 0;
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}
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