1 /*
2 * unbound-fuzzme.c - parse a packet provided on stdin (for fuzzing).
3 *
4 */
5 #include "config.h"
6 #include "util/regional.h"
7 #include "util/module.h"
8 #include "util/config_file.h"
9 #include "iterator/iterator.h"
10 #include "iterator/iter_priv.h"
11 #include "iterator/iter_scrub.h"
12 #include "util/log.h"
13 #include "sldns/sbuffer.h"
14
LLVMFuzzerTestOneInput(const uint8_t * buf,size_t len)15 int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
16 log_init("/tmp/foo", 0, NULL);
17 char *bin = buf;
18 struct regional* reg;
19
20 struct sldns_buffer *pkt = sldns_buffer_new(1);
21 sldns_buffer_new_frm_data(pkt, bin, len);
22
23 reg = regional_create();
24
25 struct msg_parse msg;
26 struct edns_data edns;
27 memset(&msg, 0, sizeof(struct msg_parse));
28 memset(&edns, 0, sizeof(edns));
29 if (parse_packet(pkt, &msg, reg) != LDNS_RCODE_NOERROR) {
30 goto out;
31 }
32 if (parse_extract_edns(&msg, &edns, reg) != LDNS_RCODE_NOERROR) {
33 goto out;
34 }
35
36
37 struct query_info qinfo_out;
38 memset(&qinfo_out, 0, sizeof(struct query_info));
39 qinfo_out.qname = (unsigned char *) "\03nic\02de";
40 uint8_t *peter = (unsigned char *) "\02de"; // zonename
41 struct module_env env;
42 memset(&env, 0, sizeof(struct module_env));
43 struct config_file cfg;
44 memset(&cfg, 0, sizeof(struct config_file));
45 cfg.harden_glue = 1; // crashes now, want to remove that later
46 env.cfg = &cfg;
47
48 struct iter_env ie;
49 memset(&ie, 0, sizeof(struct iter_env));
50
51 struct iter_priv priv;
52 memset(&priv, 0, sizeof(struct iter_priv));
53 ie.priv = &priv;
54 scrub_message(pkt, &msg, &qinfo_out, peter, reg, &env, &ie);
55 out:
56 regional_destroy(reg);
57 sldns_buffer_free(pkt);
58 return 0;
59 }
60