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82 lines
2.1 KiB
82 lines
2.1 KiB
4 months ago
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/*
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* unbound-fuzzme.c - parse a packet provided on stdin (for fuzzing).
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*
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*/
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#include "config.h"
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#include "util/regional.h"
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#include "util/module.h"
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#include "util/config_file.h"
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#include "iterator/iterator.h"
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#include "iterator/iter_priv.h"
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#include "iterator/iter_scrub.h"
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#include "util/log.h"
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#include "util/netevent.h"
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#include "util/alloc.h"
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#include "sldns/sbuffer.h"
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#include "services/cache/rrset.h"
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int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t nr) {
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log_init("/tmp/foo", 0, NULL);
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struct regional* reg;
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struct sldns_buffer *pkt = sldns_buffer_new(1);
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sldns_buffer_new_frm_data(pkt, buf, nr);
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reg = regional_create();
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struct msg_parse msg;
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struct edns_data edns;
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memset(&msg, 0, sizeof(struct msg_parse));
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memset(&edns, 0, sizeof(edns));
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struct query_info qinfo_out;
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memset(&qinfo_out, 0, sizeof(struct query_info));
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qinfo_out.qname = (unsigned char *) "\03nic\02de";
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uint8_t *peter = (unsigned char *) "\02de"; // zonename
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struct module_env env;
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memset(&env, 0, sizeof(struct module_env));
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struct config_file cfg;
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memset(&cfg, 0, sizeof(struct config_file));
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cfg.harden_glue = 0; // crashes now, want to remove that later
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env.cfg = &cfg;
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cfg.rrset_cache_slabs = HASH_DEFAULT_SLABS;
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cfg.rrset_cache_size = HASH_DEFAULT_MAXMEM;
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struct comm_base* base = comm_base_create(0);
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comm_base_timept(base, &env.now, &env.now_tv);
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env.alloc = malloc(sizeof(struct alloc_cache));
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alloc_init(env.alloc, NULL, 0);
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env.rrset_cache = rrset_cache_create(env.cfg, env.alloc);
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struct iter_env ie;
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memset(&ie, 0, sizeof(struct iter_env));
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struct iter_priv priv;
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memset(&priv, 0, sizeof(struct iter_priv));
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ie.priv = &priv;
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if (parse_packet(pkt, &msg, reg) != LDNS_RCODE_NOERROR) {
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goto out;
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}
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if (parse_extract_edns(&msg, &edns, reg) != LDNS_RCODE_NOERROR) {
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goto out;
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}
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scrub_message(pkt, &msg, &qinfo_out, peter, reg, &env, &ie);
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out:
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rrset_cache_delete(env.rrset_cache);
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alloc_clear(env.alloc);
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free(env.alloc);
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comm_base_delete(base);
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regional_destroy(reg);
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sldns_buffer_free(pkt);
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return 0;
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}
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