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Diffstat (limited to 'tests/libknot/test_dname.c')
-rw-r--r--tests/libknot/test_dname.c618
1 files changed, 618 insertions, 0 deletions
diff --git a/tests/libknot/test_dname.c b/tests/libknot/test_dname.c
new file mode 100644
index 0000000..2480135
--- /dev/null
+++ b/tests/libknot/test_dname.c
@@ -0,0 +1,618 @@
+/* Copyright (C) 2021 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <tap/basic.h>
+
+#include "libknot/dname.h"
+
+/* Test dname_parse_from_wire */
+static int test_fw(size_t l, const char *w) {
+ const uint8_t *np = NULL;
+ if (w != NULL) {
+ np = (const uint8_t *)w + l;
+ }
+ return knot_dname_wire_check((const uint8_t *)w, np, NULL) > 0;
+}
+
+/* Test dname to/from string operations */
+static void test_str(const char *in_str, const char *in_bin, size_t bin_len)
+{
+ knot_dname_storage_t d1;
+ knot_dname_txt_storage_t s1;
+ knot_dname_t *d2 = NULL, *aux_d = NULL;
+ char *s2 = NULL, *aux_s = NULL;
+ int ret = 0;
+
+ /* dname_from_str */
+ aux_d = knot_dname_from_str(d1, in_str, sizeof(d1));
+ ok(aux_d != NULL, "dname_from_str: %s", in_str);
+ if (aux_d == NULL) {
+ skip_block(10, "dname_from_str: %s", in_str);
+ return;
+ }
+
+ /* dname_wire_check */
+ ret = knot_dname_wire_check(d1, d1 + sizeof(d1), NULL);
+ ok(ret == bin_len, "dname_wire_check: %s", in_str);
+
+ /* dname compare */
+ ok(memcmp(d1, in_bin, bin_len) == 0, "dname compare: %s", in_str);
+
+ /* dname_to_str */
+ aux_s = knot_dname_to_str(s1, d1, sizeof(s1));
+ ok(aux_s != NULL, "dname_to_str: %s", in_str);
+ if (aux_s == NULL) {
+ skip_block(7, "dname_to_str: %s", in_str);
+ return;
+ }
+
+ /* dname_from_str_alloc */
+ d2 = knot_dname_from_str_alloc(s1);
+ ok(d2 != NULL, "dname_from_str_alloc: %s", s1);
+ if (d2 == NULL) {
+ skip_block(6, "dname_from_str_alloc: %s", s1);
+ return;
+ }
+
+ /* dname_wire_check */
+ ret = knot_dname_wire_check(d2, d2 + bin_len, NULL);
+ ok(ret == bin_len, "dname_wire_check: %s", s1);
+
+ /* dname compare */
+ ok(d2 && memcmp(d2, in_bin, bin_len) == 0, "dname compare: %s", s1);
+
+ /* dname_to_str_alloc */
+ s2 = knot_dname_to_str_alloc(d2);
+ knot_dname_free(d2, NULL);
+ ok(s2 != NULL, "dname_to_str_alloc: %s", s1);
+ if (s2 == NULL) {
+ skip_block(3, "dname_to_str_alloc: %s", s1);
+ return;
+ }
+
+ /* As the string representation is ambiguous, the following steps
+ * are just for comparison in wire form.
+ */
+ d2 = knot_dname_from_str_alloc(s2);
+ ok(d2 != NULL, "dname_from_str_alloc: %s", s2);
+ if (aux_d == NULL) {
+ skip_block(2, "dname_from_str_alloc: %s", s2);
+ free(s2);
+ return;
+ }
+
+ /* dname_wire_check */
+ ret = knot_dname_wire_check(d2, d2 + bin_len, NULL);
+ ok(ret == bin_len, "dname_wire_check: %s", s2);
+
+ /* dname compare */
+ ok(d2 && memcmp(d2, in_bin, bin_len) == 0, "dname compare: %s", s2);
+
+ knot_dname_free(d2, NULL);
+ free(s2);
+}
+
+static void test_dname_lf(void)
+{
+ knot_dname_storage_t storage;
+
+ /* Maximal DNAME length */
+ const knot_dname_t *in = (uint8_t *)
+ "\x3f""iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii"
+ "\x3f""hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh"
+ "\x3f""ggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg"
+ "\x1f""fffffffffffffffffffffffffffffff"
+ "\x0f""eeeeeeeeeeeeeee"
+ "\x07""ddddddd"
+ "\x03""ccc"
+ "\x01""b"
+ "\x00";
+ const uint8_t *ref = (uint8_t *)
+ "\xFE"
+ "b""\x00"
+ "ccc""\00"
+ "ddddddd""\x00"
+ "eeeeeeeeeeeeeee""\x00"
+ "fffffffffffffffffffffffffffffff""\x00"
+ "ggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg""\x00"
+ "hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh""\x00"
+ "iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii""\x00";
+ assert(strlen((const char *)in) == KNOT_DNAME_MAXLEN - 1);
+ uint8_t *out = knot_dname_lf(in, storage);
+ ok(out != NULL && memcmp(ref, out, KNOT_DNAME_MAXLEN) == 0,
+ "knot_dname_lf: max-length DNAME converted");
+
+ /* Zero label DNAME*/
+ in = (uint8_t *) "\x00";
+ out = knot_dname_lf(in, storage);
+ ok(out != NULL && out[0] == '\x00', "knot_dname_lf: zero-label DNAME converted");
+}
+
+static void test_dname_storage(void)
+{
+ const knot_dname_t *dname = (uint8_t *)"\x04""test";
+ size_t dname_len = knot_dname_size(dname);
+
+ knot_dname_storage_t storage;
+ size_t store_len = knot_dname_store(storage, dname);
+ size_t storage_len = knot_dname_size(storage);
+
+ ok(store_len == dname_len && storage_len == dname_len &&
+ memcmp(storage, dname, dname_len) == 0,
+ "knot_dname_storage: valid name");
+}
+
+int main(int argc, char *argv[])
+{
+ plan_lazy();
+
+ knot_dname_t *d = NULL, *d2 = NULL;
+ const char *w = NULL, *t = NULL;
+ char *s = NULL;
+
+ /* DNAME WIRE CHECKS */
+
+ /* NULL wire */
+ ok(!test_fw(0, NULL), "parsing NULL dname");
+
+ /* empty label */
+ ok(test_fw(1, ""), "parsing empty dname");
+
+ /* incomplete dname */
+ ok(!test_fw(5, "\x08" "dddd"), "parsing incomplete wire");
+
+ /* non-fqdn */
+ ok(!test_fw(3, "\x02" "ab"), "parsing non-fqdn name");
+
+ /* label length == 63 */
+ w = "\x3f" "123456789012345678901234567890123456789012345678901234567890123";
+ ok(test_fw(1 + 63 + 1, w), "parsing label length == 63");
+
+ /* label length > 63 */
+ w = "\x40" "1234567890123456789012345678901234567890123456789012345678901234";
+ ok(!test_fw(1 + 64 + 1, w), "parsing label length > 63");
+
+ /* label count == 127 (also maximal dname length) */
+ 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";
+ ok(test_fw(127 * 2 + 1, w), "parsing label count == 127");
+
+ /* 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";
+ ok(!test_fw(128 * 2 + 1, w), "parsing label count > 127");
+
+ /* 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";
+ ok(!test_fw(126 * 2 + 3 + 1, w), "parsing dname len > 255");
+
+ /* DNAME STRING CHECKS */
+
+ /* root dname */
+ test_str(".", "\x00", 1);
+
+ /* 1-char dname */
+ test_str("a.", "\x01""a", 2 + 1);
+
+ /* 1-char dname - non-fqdn */
+ test_str("a", "\x01""a", 2 + 1);
+
+ /* wildcard and asterisks */
+ test_str("*.*a.a*a.**.",
+ "\x01" "*" "\x02" "*a" "\x03" "a*a" "\x02" "**",
+ 2 + 3 + 4 + 3 + 1);
+
+ /* special label */
+ test_str("\\000\\0320\\ \\\\\\\"\\.\\@\\*.",
+ "\x09" "\x00\x20\x30\x20\x5c\x22.@*",
+ 10 + 1);
+
+ /* unescaped special characters */
+ test_str("_a.b-c./d.",
+ "\x02" "_a" "\x03" "b-c" "\x02" "/d",
+ 3 + 4 + 3 + 1);
+
+ /* all possible characters */
+ test_str("\\000\\001\\002\\003\\004\\005\\006\\007\\008\\009\\010\\011\\012\\013\\014\\015\\016\\017\\018\\019",
+ "\x14" "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13",
+ 22);
+ test_str("\\020\\021\\022\\023\\024\\025\\026\\027\\028\\029\\030\\031\\032\\033\\034\\035\\036\\037\\038\\039",
+ "\x14" "\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20\x21\x22\x23\x24\x25\x26\x27",
+ 22);
+ test_str("\\040\\041\\042\\043\\044\\045\\046\\047\\048\\049\\050\\051\\052\\053\\054\\055\\056\\057\\058\\059",
+ "\x14" "\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b",
+ 22);
+ test_str("\\060\\061\\062\\063\\064\\065\\066\\067\\068\\069\\070\\071\\072\\073\\074\\075\\076\\077\\078\\079",
+ "\x14" "\x3c\x3d\x3e\x3f\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f",
+ 22);
+ test_str("\\080\\081\\082\\083\\084\\085\\086\\087\\088\\089\\090\\091\\092\\093\\094\\095\\096\\097\\098\\099",
+ "\x14" "\x50\x51\x52\x53\x54\x55\x56\x57\x58\x59\x5a\x5b\x5c\x5d\x5e\x5f\x60\x61\x62\x63",
+ 22);
+ test_str("\\100\\101\\102\\103\\104\\105\\106\\107\\108\\109\\110\\111\\112\\113\\114\\115\\116\\117\\118\\119",
+ "\x14" "\x64\x65\x66\x67\x68\x69\x6a\x6b\x6c\x6d\x6e\x6f\x70\x71\x72\x73\x74\x75\x76\x77",
+ 22);
+ test_str("\\120\\121\\122\\123\\124\\125\\126\\127\\128\\129\\130\\131\\132\\133\\134\\135\\136\\137\\138\\139",
+ "\x14" "\x78\x79\x7a\x7b\x7c\x7d\x7e\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b",
+ 22);
+ test_str("\\140\\141\\142\\143\\144\\145\\146\\147\\148\\149\\150\\151\\152\\153\\154\\155\\156\\157\\158\\159",
+ "\x14" "\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f",
+ 22);
+ test_str("\\160\\161\\162\\163\\164\\165\\166\\167\\168\\169\\170\\171\\172\\173\\174\\175\\176\\177\\178\\179",
+ "\x14" "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3",
+ 22);
+ test_str("\\180\\181\\182\\183\\184\\185\\186\\187\\188\\189\\190\\191\\192\\193\\194\\195\\196\\197\\198\\199",
+ "\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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-02 16:14:37 +0000