diff --git a/tests/dname.c b/tests/dname.c index 4d8910e4bd0f7819d535d2521992650c69467d05..154fd51c938fc6513e6aa7d00f48f9e9b8387988 100644 --- a/tests/dname.c +++ b/tests/dname.c @@ -14,6 +14,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <stdlib.h> #include <tap/basic.h> #include "libknot/dname.h" @@ -24,73 +25,317 @@ static int test_fw(size_t l, const char *w) { 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) { + uint8_t d1[KNOT_DNAME_MAXLEN] = ""; + char s1[4 * KNOT_DNAME_MAXLEN] = ""; + 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(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(memcmp(d2, in_bin, bin_len) == 0, "dname compare: %s", s2); + + knot_dname_free(&d2, NULL); + free(s2); +} + int main(int argc, char *argv[]) { - plan(29); - + plan(269); + knot_dname_t *d = NULL, *d2 = NULL; const char *w = NULL, *t = NULL; unsigned len = 0; size_t pos = 0; - /* 1. NULL wire */ + /* DNAME WIRE CHECKS */ + + /* NULL wire */ ok(!test_fw(0, NULL), "parsing NULL dname"); - /* 2. empty label */ + /* empty label */ ok(test_fw(1, ""), "parsing empty dname"); - /* 3. incomplete dname */ + /* incomplete dname */ ok(!test_fw(5, "\x08""dddd"), "parsing incomplete wire"); - /* 4. non-fqdn */ + /* non-fqdn */ ok(!test_fw(3, "\x02""ab"), "parsing non-fqdn name"); - /* 5. label > 63b */ + /* label length == 63 */ + w = "\x3f""ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"; + ok(test_fw(1 + 63 + 1, w), "parsing label length == 63"); + + /* label length > 63 */ w = "\x40""dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"; - ok(!test_fw(65, w), "parsing label > 63b"); + ok(!test_fw(1 + 64 + 1, w), "parsing label length > 63"); - /* 6. label count == 126 */ - 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"; - ok(test_fw(253, w), "parsing label count == 127"); + /* 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"); - /* 7. 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"; - ok(test_fw(255, 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"); - /* 8. 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(257, 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"); - /* 9. dname length > 255 */ - w = "\xff""ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"; - ok(!test_fw(257, w), "parsing dname len > 255"); + /* DNAME STRING CHECKS */ - /* 10. special case - invalid label */ - w = "\x20\x68\x6d\x6e\x63\x62\x67\x61\x61\x61\x61\x65\x72\x6b\x30\x30\x30\x30\x64\x6c\x61\x61\x61\x61\x61\x61\x61\x61\x62\x65\x6a\x61\x6d\x20\x67\x6e\x69\x64\x68\x62\x61\x61\x61\x61\x65\x6c\x64\x30\x30\x30\x30\x64\x6c\x61\x61\x61\x61\x61\x61\x61\x61\x62\x65\x6a\x61\x6d\x20\x61\x63\x6f\x63\x64\x62\x61\x61\x61\x61\x65\x6b\x72\x30\x30\x30\x30\x64\x6c\x61\x61\x61\x61\x61\x61\x61\x61\x62\x65\x6a\x61\x6d\x20\x69\x62\x63\x6d\x6a\x6f\x61\x61\x61\x61\x65\x72\x6a\x30\x30\x30\x30\x64\x6c\x61\x61\x61\x61\x61\x61\x61\x61\x62\x65\x6a\x61\x6d\x20\x6f\x6c\x6e\x6c\x67\x68\x61\x61\x61\x61\x65\x73\x72\x30\x30\x30\x30\x64\x6c\x61\x61\x61\x61\x61\x61\x61\x61\x62\x65\x6a\x61\x6d\x20\x6a\x6b\x64\x66\x66\x67\x61\x61\x61\x61\x65\x6c\x68\x30\x30\x30\x30\x64\x6c\x61\x61\x61\x61\x61\x61\x61\x61\x62\x65\x6a\x61\x6d\x20\x67\x67\x6c\x70\x70\x61\x61\x61\x61\x61\x65\x73\x72\x30\x30\x30\x30\x64\x6c\x61\x61\x61\x61\x61\x61\x61\x61\x62\x65\x6a\x61\x6d\x20\x65\x6b\x6c\x67\x70\x66\x61\x61\x61\x61\x65\x6c\x68\x30\x30\x30\x30\x64\x6c\x61\x61\x61\x61\x61\x0\x21\x42\x63\x84\xa5\xc6\xe7\x8\xa\xd\x11\x73\x3\x6e\x69\x63\x2\x43\x5a"; - ok(!test_fw(277, w), "parsing invalid label (spec. case 1)"); + /* root dname */ + test_str(".", "\x00", 1); - /* 11. parse from string (correct) .*/ - len = 10; - w = "\x04""abcd""\x03""efg"; - t = "abcd.efg"; - d = knot_dname_from_str_alloc(t); - ok(d && knot_dname_size(d) == len && memcmp(d, w, len) == 0, - "dname_fromstr: parsed correct non-FQDN name"); - knot_dname_free(&d, NULL); + /* 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); - /* 12. parse FQDN from string (correct) .*/ - t = "abcd.efg."; + /* NULL dname */ + char *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"); + } + + /* 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 && knot_dname_size(d) == len && memcmp(d, w, len) == 0, - "dname_fromstr: parsed correct FQDN name"); - knot_dname_free(&d, NULL); + ok(d == NULL, "dname_from_str: empty string"); - /* 13. parse name from string (incorrect) .*/ + /* empty label */ t = ".."; d = knot_dname_from_str_alloc(t); - ok(d == NULL, "dname_fromstr: parsed incorrect name"); + 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"); + + /* 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"); - /* 14. equal name is subdomain */ + /* 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 label length > 255 */ + t = "1234567890123456789012345678901234567890123456789." + "1234567890123456789012345678901234567890123456789." + "1234567890123456789012345678901234567890123456789." + "1234567890123456789012345678901234567890123456789." + "123456789012345678901234567890123456789012345678901234.", + ok(d == NULL, "dname_from_str: dname label length > 255"); + + /* DNAME SUBDOMAIN CHECKS */ + + /* equal name is subdomain */ t = "ab.cd.ef"; d2 = knot_dname_from_str_alloc(t); t = "ab.cd.ef"; @@ -98,26 +343,28 @@ int main(int argc, char *argv[]) ok(!knot_dname_is_sub(d, d2), "dname_subdomain: equal name"); knot_dname_free(&d, NULL); - /* 15. true subdomain */ + /* true subdomain */ t = "0.ab.cd.ef"; d = knot_dname_from_str_alloc(t); ok(knot_dname_is_sub(d, d2), "dname_subdomain: true subdomain"); knot_dname_free(&d, NULL); - /* 16. not subdomain */ + /* not subdomain */ t = "cd.ef"; d = knot_dname_from_str_alloc(t); ok(!knot_dname_is_sub(d, d2), "dname_subdomain: not subdomain"); knot_dname_free(&d, NULL); - /* 17. root subdomain */ + /* root subdomain */ t = "."; d = knot_dname_from_str_alloc(t); ok(knot_dname_is_sub(d2, d), "dname_subdomain: root subdomain"); knot_dname_free(&d, NULL); knot_dname_free(&d2, NULL); - /* 18-19. dname cat (valid) */ + /* DNAME CAT CHECKS */ + + /* dname cat (valid) */ w = "\x03""cat"; d = knot_dname_copy((const uint8_t *)w, NULL); t = "*"; @@ -130,7 +377,9 @@ int main(int argc, char *argv[]) knot_dname_free(&d, NULL); knot_dname_free(&d2, NULL); - /* 20-21. parse from wire (valid) */ + /* DNAME PARSE CHECKS */ + + /* parse from wire (valid) */ t = "\x04""abcd""\x03""efg"; len = 10; pos = 0; @@ -139,7 +388,7 @@ int main(int argc, char *argv[]) ok(pos == len, "dname_parse: valid name (parsed length)"); knot_dname_free(&d, NULL); - /* 22-23. parse from wire (invalid) */ + /* parse from wire (invalid) */ t = "\x08""dddd"; len = 5; pos = 0; @@ -147,30 +396,38 @@ int main(int argc, char *argv[]) ok(d == NULL, "dname_parse: bad name"); ok(pos == 0, "dname_parse: bad name (parsed length)"); - /* name equality checks */ + /* 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); + return 0; }