int main(int argc, char *argv[]) { plan(TEST_COUNT); int done = 0; knot_rrset_t opt_rr; int ret = knot_edns_init(&opt_rr, E_MAX_PLD, E_RCODE, E_VERSION, NULL); ok(ret == KNOT_EOK, "OPT RR: init"); done++; /* Check initialized values (no NSID yet). */ bool success = check_header(&opt_rr, E_MAX_PLD, E_VERSION, 0, E_RCODE, "OPT RR: check header", &done); if (!success) { skip_block(remaining(done), "OPT RR not initialized properly"); goto exit; } /* Setters */ success = test_setters(&opt_rr, &done); if (!success) { skip_block(remaining(done), "OPT RR: setters error"); goto exit; } /* Getters Note: NULL parameters are not supported, so no test for that. */ success = test_getters(&opt_rr, &done); if (!success) { skip_block(remaining(done), "OPT RR: getters error"); goto exit; } /* EDNS client subnet */ test_client_subnet(); exit: knot_rrset_clear(&opt_rr, NULL); return 0; }
static int init_resolver(struct engine *engine) { /* Open resolution context */ engine->resolver.trust_anchors = map_make(); engine->resolver.negative_anchors = map_make(); engine->resolver.pool = engine->pool; engine->resolver.modules = &engine->modules; /* Create OPT RR */ engine->resolver.opt_rr = mm_alloc(engine->pool, sizeof(knot_rrset_t)); if (!engine->resolver.opt_rr) { return kr_error(ENOMEM); } knot_edns_init(engine->resolver.opt_rr, KR_EDNS_PAYLOAD, 0, KR_EDNS_VERSION, engine->pool); /* Set default root hints */ kr_zonecut_init(&engine->resolver.root_hints, (const uint8_t *)"", engine->pool); kr_zonecut_set_sbelt(&engine->resolver, &engine->resolver.root_hints); /* Open NS rtt + reputation cache */ engine->resolver.cache_rtt = mm_alloc(engine->pool, lru_size(kr_nsrep_lru_t, LRU_RTT_SIZE)); if (engine->resolver.cache_rtt) { lru_init(engine->resolver.cache_rtt, LRU_RTT_SIZE); } engine->resolver.cache_rep = mm_alloc(engine->pool, lru_size(kr_nsrep_lru_t, LRU_REP_SIZE)); if (engine->resolver.cache_rep) { lru_init(engine->resolver.cache_rep, LRU_REP_SIZE); } /* Load basic modules */ engine_register(engine, "iterate", NULL, NULL); engine_register(engine, "validate", NULL, NULL); engine_register(engine, "rrcache", NULL, NULL); engine_register(engine, "pktcache", NULL, NULL); /* Initialize storage backends */ struct storage_api lmdb = { "lmdb://", knot_db_lmdb_api, knot_db_lmdb_mkopts }; return array_push(engine->storage_registry, lmdb); }
/*! \brief Set EDNS section. */ static int prepare_edns(conf_t *conf, zone_t *zone, knot_pkt_t *pkt) { conf_val_t val = conf_zone_get(conf, C_REQUEST_EDNS_OPTION, zone->name); /* Check if an extra EDNS option is configured. */ size_t opt_len; const uint8_t *opt_data = conf_data(&val, &opt_len); if (opt_data == NULL) { return KNOT_EOK; } knot_rrset_t opt_rr; conf_val_t *max_payload = &conf->cache.srv_max_udp_payload; int ret = knot_edns_init(&opt_rr, conf_int(max_payload), 0, KNOT_EDNS_VERSION, &pkt->mm); if (ret != KNOT_EOK) { return ret; } ret = knot_edns_add_option(&opt_rr, wire_read_u64(opt_data), yp_bin_len(opt_data + sizeof(uint64_t)), yp_bin(opt_data + sizeof(uint64_t)), &pkt->mm); if (ret != KNOT_EOK) { knot_rrset_clear(&opt_rr, &pkt->mm); return ret; } knot_pkt_begin(pkt, KNOT_ADDITIONAL); ret = knot_pkt_put(pkt, KNOT_COMPR_HINT_NONE, &opt_rr, KNOT_PF_FREE); if (ret != KNOT_EOK) { knot_rrset_clear(&opt_rr, &pkt->mm); return ret; } return KNOT_EOK; }
int main(int argc, char *argv[]) { plan(25); /* Create memory pool context. */ int ret = 0; knot_mm_t mm; mm_ctx_mempool(&mm, MM_DEFAULT_BLKSIZE); /* Create names and data. */ knot_dname_t* dnames[NAMECOUNT] = {0}; knot_rrset_t* rrsets[NAMECOUNT] = {0}; for (unsigned i = 0; i < NAMECOUNT; ++i) { dnames[i] = knot_dname_from_str_alloc(g_names[i]); } uint8_t *edns_str = (uint8_t *)"ab"; /* Create OPT RR. */ knot_rrset_t opt_rr; ret = knot_edns_init(&opt_rr, 1024, 0, 0, &mm); if (ret != KNOT_EOK) { skip_block(25, "Failed to initialize OPT RR."); return 0; } /* Add NSID */ ret = knot_edns_add_option(&opt_rr, KNOT_EDNS_OPTION_NSID, strlen((char *)edns_str), edns_str, &mm); if (ret != KNOT_EOK) { knot_rrset_clear(&opt_rr, &mm); skip_block(25, "Failed to add NSID to OPT RR."); return 0; } /* * Packet writer tests. */ /* Create packet. */ knot_pkt_t *out = knot_pkt_new(NULL, MM_DEFAULT_BLKSIZE, &mm); ok(out != NULL, "pkt: new"); /* Mark as response (not part of the test). */ knot_wire_set_qr(out->wire); /* Secure packet. */ const char *tsig_secret = "abcd"; knot_tsig_key_t tsig_key; tsig_key.algorithm = DNSSEC_TSIG_HMAC_MD5; tsig_key.name = dnames[0]; tsig_key.secret.data = (uint8_t *)strdup(tsig_secret); tsig_key.secret.size = strlen(tsig_secret); ret = knot_pkt_reserve(out, knot_tsig_wire_maxsize(&tsig_key)); ok(ret == KNOT_EOK, "pkt: set TSIG key"); /* Write question. */ ret = knot_pkt_put_question(out, dnames[0], KNOT_CLASS_IN, KNOT_RRTYPE_A); ok(ret == KNOT_EOK, "pkt: put question"); /* Add OPT to packet (empty NSID). */ ret = knot_pkt_reserve(out, knot_edns_wire_size(&opt_rr)); ok(ret == KNOT_EOK, "pkt: reserve OPT RR"); /* Begin ANSWER section. */ ret = knot_pkt_begin(out, KNOT_ANSWER); ok(ret == KNOT_EOK, "pkt: begin ANSWER"); /* Write ANSWER section. */ rrsets[0] = knot_rrset_new(dnames[0], KNOT_RRTYPE_A, KNOT_CLASS_IN, NULL); knot_dname_free(&dnames[0], NULL); knot_rrset_add_rdata(rrsets[0], RDVAL(0), RDLEN(0), TTL, NULL); ret = knot_pkt_put(out, KNOT_COMPR_HINT_QNAME, rrsets[0], 0); ok(ret == KNOT_EOK, "pkt: write ANSWER"); /* Begin AUTHORITY. */ ret = knot_pkt_begin(out, KNOT_AUTHORITY); ok(ret == KNOT_EOK, "pkt: begin AUTHORITY"); /* Write rest to AUTHORITY. */ ret = KNOT_EOK; for (unsigned i = 1; i < NAMECOUNT; ++i) { rrsets[i] = knot_rrset_new(dnames[i], KNOT_RRTYPE_NS, KNOT_CLASS_IN, NULL); knot_dname_free(&dnames[i], NULL); knot_rrset_add_rdata(rrsets[i], RDVAL(i), RDLEN(i), TTL, NULL); ret |= knot_pkt_put(out, KNOT_COMPR_HINT_NONE, rrsets[i], 0); } ok(ret == KNOT_EOK, "pkt: write AUTHORITY(%u)", NAMECOUNT - 1); /* Begin ADDITIONALS */ ret = knot_pkt_begin(out, KNOT_ADDITIONAL); ok(ret == KNOT_EOK, "pkt: begin ADDITIONALS"); /* Encode OPT RR. */ ret = knot_pkt_put(out, KNOT_COMPR_HINT_NONE, &opt_rr, 0); ok(ret == KNOT_EOK, "pkt: write OPT RR"); /* * Packet reader tests. */ /* Create new packet from query packet. */ knot_pkt_t *in = knot_pkt_new(out->wire, out->size, &out->mm); ok(in != NULL, "pkt: create packet for parsing"); /* Read packet header. */ ret = knot_pkt_parse_question(in); ok(ret == KNOT_EOK, "pkt: read header"); /* Read packet payload. */ ret = knot_pkt_parse_payload(in, 0); ok(ret == KNOT_EOK, "pkt: read payload"); /* Compare parsed packet to written packet. */ packet_match(in, out); /* * Copied packet tests. */ knot_pkt_t *copy = knot_pkt_new(NULL, in->max_size, &in->mm); ret = knot_pkt_copy(copy, in); ok(ret == KNOT_EOK, "pkt: create packet copy"); /* Compare copied packet to original. */ packet_match(in, copy); /* Free packets. */ knot_pkt_free(©); knot_pkt_free(&out); knot_pkt_free(&in); ok(in == NULL && out == NULL && copy == NULL, "pkt: free"); /* Free extra data. */ for (unsigned i = 0; i < NAMECOUNT; ++i) { knot_rrset_free(&rrsets[i], NULL); } free(tsig_key.secret.data); mp_delete((struct mempool *)mm.ctx); return 0; }