618 lines
23 KiB
C
618 lines
23 KiB
C
/* Copyright (C) 2021 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <tap/basic.h>
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#include "libknot/dname.h"
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/* Test dname_parse_from_wire */
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static int test_fw(size_t l, const char *w) {
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const uint8_t *np = NULL;
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if (w != NULL) {
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np = (const uint8_t *)w + l;
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}
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return knot_dname_wire_check((const uint8_t *)w, np, NULL) > 0;
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}
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/* Test dname to/from string operations */
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static void test_str(const char *in_str, const char *in_bin, size_t bin_len)
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{
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knot_dname_storage_t d1;
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knot_dname_txt_storage_t s1;
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knot_dname_t *d2 = NULL, *aux_d = NULL;
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char *s2 = NULL, *aux_s = NULL;
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int ret = 0;
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/* dname_from_str */
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aux_d = knot_dname_from_str(d1, in_str, sizeof(d1));
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ok(aux_d != NULL, "dname_from_str: %s", in_str);
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if (aux_d == NULL) {
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skip_block(10, "dname_from_str: %s", in_str);
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return;
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}
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/* dname_wire_check */
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ret = knot_dname_wire_check(d1, d1 + sizeof(d1), NULL);
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ok(ret == bin_len, "dname_wire_check: %s", in_str);
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/* dname compare */
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ok(memcmp(d1, in_bin, bin_len) == 0, "dname compare: %s", in_str);
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/* dname_to_str */
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aux_s = knot_dname_to_str(s1, d1, sizeof(s1));
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ok(aux_s != NULL, "dname_to_str: %s", in_str);
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if (aux_s == NULL) {
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skip_block(7, "dname_to_str: %s", in_str);
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return;
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}
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/* dname_from_str_alloc */
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d2 = knot_dname_from_str_alloc(s1);
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ok(d2 != NULL, "dname_from_str_alloc: %s", s1);
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if (d2 == NULL) {
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skip_block(6, "dname_from_str_alloc: %s", s1);
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return;
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}
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/* dname_wire_check */
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ret = knot_dname_wire_check(d2, d2 + bin_len, NULL);
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ok(ret == bin_len, "dname_wire_check: %s", s1);
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/* dname compare */
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ok(d2 && memcmp(d2, in_bin, bin_len) == 0, "dname compare: %s", s1);
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/* dname_to_str_alloc */
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s2 = knot_dname_to_str_alloc(d2);
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knot_dname_free(d2, NULL);
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ok(s2 != NULL, "dname_to_str_alloc: %s", s1);
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if (s2 == NULL) {
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skip_block(3, "dname_to_str_alloc: %s", s1);
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return;
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}
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/* As the string representation is ambiguous, the following steps
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* are just for comparison in wire form.
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*/
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d2 = knot_dname_from_str_alloc(s2);
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ok(d2 != NULL, "dname_from_str_alloc: %s", s2);
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if (aux_d == NULL) {
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skip_block(2, "dname_from_str_alloc: %s", s2);
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free(s2);
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return;
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}
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/* dname_wire_check */
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ret = knot_dname_wire_check(d2, d2 + bin_len, NULL);
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ok(ret == bin_len, "dname_wire_check: %s", s2);
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/* dname compare */
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ok(d2 && memcmp(d2, in_bin, bin_len) == 0, "dname compare: %s", s2);
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knot_dname_free(d2, NULL);
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free(s2);
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}
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static void test_dname_lf(void)
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{
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knot_dname_storage_t storage;
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/* Maximal DNAME length */
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const knot_dname_t *in = (uint8_t *)
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"\x3f""iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii"
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"\x3f""hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh"
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"\x3f""ggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg"
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"\x1f""fffffffffffffffffffffffffffffff"
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"\x0f""eeeeeeeeeeeeeee"
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"\x07""ddddddd"
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"\x03""ccc"
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"\x01""b"
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"\x00";
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const uint8_t *ref = (uint8_t *)
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"\xFE"
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"b""\x00"
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"ccc""\00"
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"ddddddd""\x00"
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"eeeeeeeeeeeeeee""\x00"
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"fffffffffffffffffffffffffffffff""\x00"
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"ggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg""\x00"
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"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh""\x00"
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"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii""\x00";
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assert(strlen((const char *)in) == KNOT_DNAME_MAXLEN - 1);
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uint8_t *out = knot_dname_lf(in, storage);
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ok(out != NULL && memcmp(ref, out, KNOT_DNAME_MAXLEN) == 0,
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"knot_dname_lf: max-length DNAME converted");
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/* Zero label DNAME*/
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in = (uint8_t *) "\x00";
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out = knot_dname_lf(in, storage);
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ok(out != NULL && out[0] == '\x00', "knot_dname_lf: zero-label DNAME converted");
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}
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static void test_dname_storage(void)
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{
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const knot_dname_t *dname = (uint8_t *)"\x04""test";
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size_t dname_len = knot_dname_size(dname);
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knot_dname_storage_t storage;
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size_t store_len = knot_dname_store(storage, dname);
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size_t storage_len = knot_dname_size(storage);
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ok(store_len == dname_len && storage_len == dname_len &&
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memcmp(storage, dname, dname_len) == 0,
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"knot_dname_storage: valid name");
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}
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int main(int argc, char *argv[])
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{
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plan_lazy();
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knot_dname_t *d = NULL, *d2 = NULL;
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const char *w = NULL, *t = NULL;
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char *s = NULL;
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/* DNAME WIRE CHECKS */
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/* NULL wire */
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ok(!test_fw(0, NULL), "parsing NULL dname");
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/* empty label */
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ok(test_fw(1, ""), "parsing empty dname");
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/* incomplete dname */
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ok(!test_fw(5, "\x08" "dddd"), "parsing incomplete wire");
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/* non-fqdn */
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ok(!test_fw(3, "\x02" "ab"), "parsing non-fqdn name");
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/* label length == 63 */
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w = "\x3f" "123456789012345678901234567890123456789012345678901234567890123";
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ok(test_fw(1 + 63 + 1, w), "parsing label length == 63");
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/* label length > 63 */
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w = "\x40" "1234567890123456789012345678901234567890123456789012345678901234";
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ok(!test_fw(1 + 64 + 1, w), "parsing label length > 63");
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/* label count == 127 (also maximal dname length) */
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w = "\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64";
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ok(test_fw(127 * 2 + 1, w), "parsing label count == 127");
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/* label count > 127 */
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w = "\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64";
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ok(!test_fw(128 * 2 + 1, w), "parsing label count > 127");
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/* dname length > 255 */
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w = "\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
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"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x02\x64\x64";
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ok(!test_fw(126 * 2 + 3 + 1, w), "parsing dname len > 255");
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/* DNAME STRING CHECKS */
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/* root dname */
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test_str(".", "\x00", 1);
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/* 1-char dname */
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test_str("a.", "\x01""a", 2 + 1);
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/* 1-char dname - non-fqdn */
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test_str("a", "\x01""a", 2 + 1);
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/* wildcard and asterisks */
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test_str("*.*a.a*a.**.",
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"\x01" "*" "\x02" "*a" "\x03" "a*a" "\x02" "**",
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2 + 3 + 4 + 3 + 1);
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/* special label */
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test_str("\\000\\0320\\ \\\\\\\"\\.\\@\\*.",
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"\x09" "\x00\x20\x30\x20\x5c\x22.@*",
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10 + 1);
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/* unescaped special characters */
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test_str("_a.b-c./d.",
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"\x02" "_a" "\x03" "b-c" "\x02" "/d",
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3 + 4 + 3 + 1);
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/* all possible characters */
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test_str("\\000\\001\\002\\003\\004\\005\\006\\007\\008\\009\\010\\011\\012\\013\\014\\015\\016\\017\\018\\019",
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"\x14" "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13",
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22);
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test_str("\\020\\021\\022\\023\\024\\025\\026\\027\\028\\029\\030\\031\\032\\033\\034\\035\\036\\037\\038\\039",
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"\x14" "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20\x21\x22\x23\x24\x25\x26\x27",
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22);
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test_str("\\040\\041\\042\\043\\044\\045\\046\\047\\048\\049\\050\\051\\052\\053\\054\\055\\056\\057\\058\\059",
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"\x14" "\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b",
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22);
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test_str("\\060\\061\\062\\063\\064\\065\\066\\067\\068\\069\\070\\071\\072\\073\\074\\075\\076\\077\\078\\079",
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"\x14" "\x3c\x3d\x3e\x3f\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f",
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22);
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test_str("\\080\\081\\082\\083\\084\\085\\086\\087\\088\\089\\090\\091\\092\\093\\094\\095\\096\\097\\098\\099",
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"\x14" "\x50\x51\x52\x53\x54\x55\x56\x57\x58\x59\x5a\x5b\x5c\x5d\x5e\x5f\x60\x61\x62\x63",
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22);
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test_str("\\100\\101\\102\\103\\104\\105\\106\\107\\108\\109\\110\\111\\112\\113\\114\\115\\116\\117\\118\\119",
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"\x14" "\x64\x65\x66\x67\x68\x69\x6a\x6b\x6c\x6d\x6e\x6f\x70\x71\x72\x73\x74\x75\x76\x77",
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22);
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test_str("\\120\\121\\122\\123\\124\\125\\126\\127\\128\\129\\130\\131\\132\\133\\134\\135\\136\\137\\138\\139",
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"\x14" "\x78\x79\x7a\x7b\x7c\x7d\x7e\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b",
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22);
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test_str("\\140\\141\\142\\143\\144\\145\\146\\147\\148\\149\\150\\151\\152\\153\\154\\155\\156\\157\\158\\159",
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"\x14" "\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f",
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22);
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test_str("\\160\\161\\162\\163\\164\\165\\166\\167\\168\\169\\170\\171\\172\\173\\174\\175\\176\\177\\178\\179",
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"\x14" "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3",
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22);
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test_str("\\180\\181\\182\\183\\184\\185\\186\\187\\188\\189\\190\\191\\192\\193\\194\\195\\196\\197\\198\\199",
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"\x14" "\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7",
|
|
22);
|
|
test_str("\\200\\201\\202\\203\\204\\205\\206\\207\\208\\209\\210\\211\\212\\213\\214\\215\\216\\217\\218\\219",
|
|
"\x14" "\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb",
|
|
22);
|
|
test_str("\\220\\221\\222\\223\\224\\225\\226\\227\\228\\229\\230\\231\\232\\233\\234\\235\\236\\237\\238\\239",
|
|
"\x14" "\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef",
|
|
22);
|
|
test_str("\\240\\241\\242\\243\\244\\245\\246\\247\\248\\249\\250\\251\\252\\253\\254\\255",
|
|
"\x10" "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff",
|
|
18);
|
|
|
|
/* maximal dname label length */
|
|
test_str("12345678901234567890123456789012345678901234567890123456789012\\063",
|
|
"\x3f" "12345678901234567890123456789012345678901234567890123456789012?",
|
|
65);
|
|
|
|
/* maximal dname length */
|
|
test_str("1234567890123456789012345678901234567890123456789."
|
|
"1234567890123456789012345678901234567890123456789."
|
|
"1234567890123456789012345678901234567890123456789."
|
|
"1234567890123456789012345678901234567890123456789."
|
|
"\\#234567890123456789012345678901234567890123456789012\\063",
|
|
"\x31" "1234567890123456789012345678901234567890123456789"
|
|
"\x31" "1234567890123456789012345678901234567890123456789"
|
|
"\x31" "1234567890123456789012345678901234567890123456789"
|
|
"\x31" "1234567890123456789012345678901234567890123456789"
|
|
"\x35" "#234567890123456789012345678901234567890123456789012?",
|
|
255);
|
|
|
|
/* NULL output, positive maxlen */
|
|
w = "\x02" "aa";
|
|
s = knot_dname_to_str(NULL, (const uint8_t *)w, 1);
|
|
ok(s != NULL, "dname_to_str: null dname");
|
|
if (s != NULL) {
|
|
ok(memcmp(s, "aa.", 4) == 0, "dname_to_str: null dname compare");
|
|
free(s);
|
|
} else {
|
|
skip("dname_to_str: null dname");
|
|
}
|
|
|
|
/* non-NULL output, zero maxlen */
|
|
char s_small[2];
|
|
s = knot_dname_to_str(s_small, (const uint8_t *)w, 0);
|
|
ok(s == NULL, "dname_to_str: non-NULL output, zero maxlen");
|
|
|
|
/* small buffer */
|
|
s = knot_dname_to_str(s_small, (const uint8_t *)w, 1);
|
|
ok(s == NULL, "dname_to_str: small buffer");
|
|
|
|
/* NULL dname */
|
|
s = knot_dname_to_str_alloc(NULL);
|
|
ok(s == NULL, "dname_to_str: null dname");
|
|
|
|
/* empty dname is considered as a root dname */
|
|
w = "";
|
|
s = knot_dname_to_str_alloc((const uint8_t *)w);
|
|
ok(s != NULL, "dname_to_str: empty dname");
|
|
if (s != NULL) {
|
|
ok(memcmp(s, ".", 1) == 0, "dname_to_str: empty dname is root dname");
|
|
free(s);
|
|
} else {
|
|
skip("dname_to_str: empty dname");
|
|
}
|
|
|
|
/* incomplete dname */
|
|
/* ASAN: global-buffer-overflow
|
|
w = "\x08" "dddd";
|
|
s = knot_dname_to_str_alloc((const uint8_t *)w);
|
|
ok(s != NULL, "dname_to_str: incomplete dname");
|
|
free(s);
|
|
*/
|
|
|
|
/* non-fqdn */
|
|
w = "\x02" "ab";
|
|
s = knot_dname_to_str_alloc((const uint8_t *)w);
|
|
ok(s != NULL, "dname_to_str: non-fqdn");
|
|
free(s);
|
|
|
|
/* label length > 63 */
|
|
w = "\x40" "1234567890123456789012345678901234567890123456789012345678901234";
|
|
s = knot_dname_to_str_alloc((const uint8_t *)w);
|
|
ok(s != NULL, "dname_to_str: label length > 63");
|
|
free(s);
|
|
|
|
/* label count > 127 */
|
|
w = "\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64";
|
|
s = knot_dname_to_str_alloc((const uint8_t *)w);
|
|
ok(s != NULL, "dname_to_str: label count > 127");
|
|
free(s);
|
|
|
|
/* dname length > 255 */
|
|
w = "\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64"
|
|
"\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x01\x64\x02\x64\x64";
|
|
s = knot_dname_to_str_alloc((const uint8_t *)w);
|
|
ok(s != NULL, "dname_to_str: dname length > 255");
|
|
free(s);
|
|
|
|
/* output overflow sanity check */
|
|
uint8_t in[4] = "\x02""\x00\x00""\x00";
|
|
for (uint16_t i = 0; i < UINT16_MAX; i++) {
|
|
memcpy(in + 1, &i, sizeof(i));
|
|
for (int j = 3; j < 8; j++) {
|
|
char tmp[j];
|
|
char *out_static = knot_dname_to_str(tmp, in, sizeof(tmp));
|
|
char *out_dynamic = knot_dname_to_str_alloc(in);
|
|
if (out_dynamic == NULL) {
|
|
ok(out_dynamic != NULL, "dname_to_str_alloc: invalid input");
|
|
} else if (strlen(out_dynamic) < sizeof(tmp) - 1 &&
|
|
out_static == NULL) {
|
|
ok(out_static != NULL, "dname_to_str: invalid input");
|
|
}
|
|
free(out_dynamic);
|
|
}
|
|
}
|
|
|
|
/* NULL output, positive maxlen */
|
|
s = "aa.";
|
|
d = knot_dname_from_str(NULL, s, 1);
|
|
ok(s != NULL, "dname_from_str: null name");
|
|
if (s != NULL) {
|
|
ok(memcmp(d, "\x02" "aa", 4) == 0, "dname_from_str: null name compare");
|
|
free(d);
|
|
} else {
|
|
skip("dname_from_str: null name");
|
|
}
|
|
|
|
/* non-NULL output, zero maxlen */
|
|
uint8_t d_small[2];
|
|
d = knot_dname_from_str(d_small, s, 0);
|
|
ok(d == NULL, "dname_from_str: non-NULL output, zero maxlen");
|
|
|
|
/* small buffer */
|
|
d = knot_dname_from_str(d_small, s, 1);
|
|
ok(d == NULL, "dname_from_str: small buffer");
|
|
|
|
/* NULL string */
|
|
d = knot_dname_from_str_alloc(NULL);
|
|
ok(d == NULL, "dname_from_str: null string");
|
|
|
|
/* empty string */
|
|
t = "";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(d == NULL, "dname_from_str: empty string");
|
|
|
|
/* empty label */
|
|
t = "..";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(d == NULL, "dname_from_str: empty label");
|
|
|
|
/* leading dot */
|
|
t = ".a";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(d == NULL, "dname_from_str: leading dot");
|
|
|
|
/* incomplete decimal notation I */
|
|
t = "\\1";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(d == NULL, "dname_from_str: incomplete decimal I");
|
|
|
|
/* incomplete decimal notation II */
|
|
t = "\\12";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(d == NULL, "dname_from_str: incomplete decimal II");
|
|
|
|
/* invalid decimal notation I */
|
|
t = "\\256";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(d == NULL, "dname_from_str: invalid decimal I");
|
|
|
|
/* invalid decimal notation II */
|
|
t = "\\2x6";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(d == NULL, "dname_from_str: invalid decimal II");
|
|
|
|
/* invalid escape notation */
|
|
t = "\\2";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(d == NULL, "dname_from_str: invalid escape");
|
|
|
|
/* label length > 63 I */
|
|
t = "1234567890123456789012345678901234567890123456789012345678901234";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(d == NULL, "dname_from_str: label length > 63 I");
|
|
|
|
/* label length > 63 II */
|
|
t = "123456789012345678901234567890123456789012345678901234567890123\\?";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(d == NULL, "dname_from_str: label length > 63 II");
|
|
|
|
/* label length > 63 III */
|
|
t = "123456789012345678901234567890123456789012345678901234567890123\\063";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(d == NULL, "dname_from_str: label length > 63 III");
|
|
|
|
/* dname length > 255 */
|
|
t = "1234567890123456789012345678901234567890123456789."
|
|
"1234567890123456789012345678901234567890123456789."
|
|
"1234567890123456789012345678901234567890123456789."
|
|
"1234567890123456789012345678901234567890123456789."
|
|
"123456789012345678901234567890123456789012345678901234.",
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(d == NULL, "dname_from_str: dname length > 255");
|
|
|
|
/* DNAME SUBDOMAIN CHECKS */
|
|
|
|
/* equal name is subdomain */
|
|
t = "ab.cd.ef";
|
|
d2 = knot_dname_from_str_alloc(t);
|
|
t = "ab.cd.ef";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(knot_dname_in_bailiwick(d, d2) == 0, "dname_subdomain: equal name");
|
|
knot_dname_free(d, NULL);
|
|
|
|
/* true subdomain */
|
|
t = "0.ab.cd.ef";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(knot_dname_in_bailiwick(d, d2) == 1, "dname_subdomain: true subdomain");
|
|
knot_dname_free(d, NULL);
|
|
|
|
/* not subdomain */
|
|
t = "cd.ef";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(knot_dname_in_bailiwick(d, d2) < 0, "dname_subdomain: not subdomain");
|
|
knot_dname_free(d, NULL);
|
|
|
|
/* root subdomain */
|
|
t = ".";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(knot_dname_in_bailiwick(d2, d) == 3, "dname_subdomain: root subdomain");
|
|
knot_dname_free(d, NULL);
|
|
knot_dname_free(d2, NULL);
|
|
|
|
/* DNAME EQUALITY CHECKS */
|
|
|
|
t = "ab.cd.ef";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(knot_dname_is_equal(d, d), "dname_is_equal: equal names");
|
|
|
|
t = "ab.cd.fe";
|
|
d2 = knot_dname_from_str_alloc(t);
|
|
ok(!knot_dname_is_equal(d, d2), "dname_is_equal: same label count");
|
|
knot_dname_free(d2, NULL);
|
|
|
|
t = "ab.cd";
|
|
d2 = knot_dname_from_str_alloc(t);
|
|
ok(!knot_dname_is_equal(d, d2), "dname_is_equal: len(d1) < len(d2)");
|
|
knot_dname_free(d2, NULL);
|
|
|
|
t = "ab.cd.ef.gh";
|
|
d2 = knot_dname_from_str_alloc(t);
|
|
ok(!knot_dname_is_equal(d, d2), "dname_is_equal: len(d1) > len(d2)");
|
|
knot_dname_free(d2, NULL);
|
|
|
|
t = "ab.cd.efe";
|
|
d2 = knot_dname_from_str_alloc(t);
|
|
ok(!knot_dname_is_equal(d, d2), "dname_is_equal: last label longer");
|
|
knot_dname_free(d2, NULL);
|
|
|
|
t = "ab.cd.e";
|
|
d2 = knot_dname_from_str_alloc(t);
|
|
ok(!knot_dname_is_equal(d, d2), "dname_is_equal: last label shorter");
|
|
knot_dname_free(d2, NULL);
|
|
|
|
knot_dname_free(d, NULL);
|
|
|
|
/* DNAME EQUALITY CHECKS IGNORING CASE */
|
|
|
|
t = "aB.cd.ef";
|
|
d = knot_dname_from_str_alloc(t);
|
|
ok(knot_dname_is_case_equal(d, d), "dname_is_case_equal: equal case");
|
|
|
|
t = "aB.cD.ef";
|
|
d2 = knot_dname_from_str_alloc(t);
|
|
ok(knot_dname_is_case_equal(d, d2), "dname_is_case_equal: different case");
|
|
knot_dname_free(d2, NULL);
|
|
|
|
t = "aB.dc.ef";
|
|
d2 = knot_dname_from_str_alloc(t);
|
|
ok(!knot_dname_is_case_equal(d, d2), "dname_is_case_equal: different name");
|
|
knot_dname_free(d2, NULL);
|
|
|
|
t = "aB.cd";
|
|
d2 = knot_dname_from_str_alloc(t);
|
|
ok(!knot_dname_is_case_equal(d, d2), "dname_is_case_equal: different length");
|
|
knot_dname_free(d2, NULL);
|
|
|
|
t = "aB.cdx.ef";
|
|
d2 = knot_dname_from_str_alloc(t);
|
|
ok(!knot_dname_is_case_equal(d, d2), "dname_is_case_equal: different label");
|
|
knot_dname_free(d2, NULL);
|
|
|
|
knot_dname_free(d, NULL);
|
|
|
|
/* OTHER CHECKS */
|
|
|
|
test_dname_lf();
|
|
|
|
test_dname_storage();
|
|
|
|
return 0;
|
|
}
|