67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/* Copyright 2021 Google LLC
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
#include "fuzz_header.h"
|
|
|
|
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
|
|
// init fuzz garbage collector
|
|
gb_init();
|
|
|
|
int succ = init_daemon(&data, &size);
|
|
if (succ == 0) {
|
|
char *t1 = gb_get_null_terminated(&data, &size);
|
|
char *t2 = gb_get_null_terminated(&data, &size);
|
|
if (t1 != NULL && t2 != NULL) {
|
|
|
|
// Util logic
|
|
hostname_isequal(t1, t2);
|
|
|
|
legal_hostname(t1);
|
|
char *tmp = canonicalise(t2, NULL);
|
|
if (tmp != NULL) {
|
|
free(tmp);
|
|
}
|
|
|
|
char *tmp_out = (char *)malloc(30);
|
|
int mac_type;
|
|
parse_hex(t1, (unsigned char *)tmp_out, 30, NULL, NULL);
|
|
parse_hex(t1, (unsigned char *)tmp_out, 30, NULL, &mac_type);
|
|
free(tmp_out);
|
|
|
|
wildcard_match(t1, t2);
|
|
if (strlen(t1) < strlen(t2)) {
|
|
wildcard_matchn(t1, t2, strlen(t1));
|
|
} else {
|
|
wildcard_matchn(t1, t2, strlen(t2));
|
|
}
|
|
hostname_issubdomain(t1, t2);
|
|
|
|
union all_addr addr1;
|
|
memset(&addr1, 0, sizeof(union all_addr));
|
|
is_name_synthetic(0, t1, &addr1);
|
|
|
|
if (size > sizeof(struct dns_header)) {
|
|
hash_questions(data, size, t2);
|
|
|
|
rrfilter(data, size, 0);
|
|
}
|
|
}
|
|
|
|
fuzz_blockdata_cleanup();
|
|
}
|
|
|
|
// cleanup
|
|
gb_cleanup();
|
|
|
|
return 0;
|
|
}
|