示例#1
0
/** add hint to delegation hints */
static int
ah(struct delegpt* dp, const char* sv, const char* ip)
{
	struct sockaddr_storage addr;
	socklen_t addrlen;
	ldns_rdf* rdf = ldns_dname_new_frm_str(sv);
	if(!rdf) {
		log_err("could not parse %s", sv);
		return 0;
	}
	if(!delegpt_add_ns_mlc(dp, ldns_rdf_data(rdf), 0) ||
	   !extstrtoaddr(ip, &addr, &addrlen) ||
	   !delegpt_add_target_mlc(dp, ldns_rdf_data(rdf), ldns_rdf_size(rdf),
		&addr, addrlen, 0, 0)) {
		ldns_rdf_deep_free(rdf);
		return 0;
	}
	ldns_rdf_deep_free(rdf);
	return 1;
}
示例#2
0
/** add hint to delegation hints */
static int
ah(struct delegpt* dp, const char* sv, const char* ip)
{
	struct sockaddr_storage addr;
	socklen_t addrlen;
	size_t dname_len;
	uint8_t* dname = sldns_str2wire_dname(sv, &dname_len);
	if(!dname) {
		log_err("could not parse %s", sv);
		return 0;
	}
	if(!delegpt_add_ns_mlc(dp, dname, 0) ||
	   !extstrtoaddr(ip, &addr, &addrlen) ||
	   !delegpt_add_target_mlc(dp, dname, dname_len,
		&addr, addrlen, 0, 0)) {
		free(dname);
		return 0;
	}
	free(dname);
	return 1;
}
示例#3
0
/** set stub host names */
static int 
read_stubs_host(struct config_stub* s, struct delegpt* dp)
{
	struct config_strlist* p;
	ldns_rdf* rdf;
	for(p = s->hosts; p; p = p->next) {
		log_assert(p->str);
		rdf = ldns_dname_new_frm_str(p->str);
		if(!rdf) {
			log_err("cannot parse stub %s nameserver name: '%s'", 
				s->name, p->str);
			return 0;
		}
		if(!delegpt_add_ns_mlc(dp, ldns_rdf_data(rdf), 0)) {
			ldns_rdf_deep_free(rdf);
			log_err("out of memory");
			return 0;
		}
		ldns_rdf_deep_free(rdf);
	}
	return 1;
}
示例#4
0
/** set stub host names */
static int 
read_stubs_host(struct config_stub* s, struct delegpt* dp)
{
	struct config_strlist* p;
	size_t dname_len;
	uint8_t* dname;
	for(p = s->hosts; p; p = p->next) {
		log_assert(p->str);
		dname = sldns_str2wire_dname(p->str, &dname_len);
		if(!dname) {
			log_err("cannot parse stub %s nameserver name: '%s'", 
				s->name, p->str);
			return 0;
		}
		if(!delegpt_add_ns_mlc(dp, dname, 0)) {
			free(dname);
			log_err("out of memory");
			return 0;
		}
		free(dname);
	}
	return 1;
}
示例#5
0
/** read root hints from file */
static int 
read_root_hints(struct iter_hints* hints, char* fname)
{
	struct sldns_file_parse_state pstate;
	struct delegpt* dp;
	uint8_t rr[LDNS_RR_BUF_SIZE];
	size_t rr_len, dname_len;
	int status;
	uint16_t c = LDNS_RR_CLASS_IN;
	FILE* f = fopen(fname, "r");
	if(!f) {
		log_err("could not read root hints %s: %s",
			fname, strerror(errno));
		return 0;
	}
	dp = delegpt_create_mlc(NULL);
	if(!dp) {
		log_err("out of memory reading root hints");
		fclose(f);
		return 0;
	}
	verbose(VERB_QUERY, "Reading root hints from %s", fname);
	memset(&pstate, 0, sizeof(pstate));
	pstate.lineno = 1;
	dp->has_parent_side_NS = 1;
	while(!feof(f)) {
		rr_len = sizeof(rr);
		dname_len = 0;
		status = sldns_fp2wire_rr_buf(f, rr, &rr_len, &dname_len,
			&pstate);
		if(status != 0) {
			log_err("reading root hints %s %d:%d: %s", fname,
				pstate.lineno, LDNS_WIREPARSE_OFFSET(status),
				sldns_get_errorstr_parse(status));
			goto stop_read;
		}
		if(rr_len == 0)
			continue; /* EMPTY line, TTL or ORIGIN */
		if(sldns_wirerr_get_type(rr, rr_len, dname_len)
			== LDNS_RR_TYPE_NS) {
			if(!delegpt_add_ns_mlc(dp, sldns_wirerr_get_rdata(rr,
				rr_len, dname_len), 0)) {
				log_err("out of memory reading root hints");
				goto stop_read;
			}
			c = sldns_wirerr_get_class(rr, rr_len, dname_len);
			if(!dp->name) {
				if(!delegpt_set_name_mlc(dp, rr)) {
					log_err("out of memory.");
					goto stop_read;
				}
			}
		} else if(sldns_wirerr_get_type(rr, rr_len, dname_len)
			== LDNS_RR_TYPE_A && sldns_wirerr_get_rdatalen(rr,
			rr_len, dname_len) == INET_SIZE) {
			struct sockaddr_in sa;
			socklen_t len = (socklen_t)sizeof(sa);
			memset(&sa, 0, len);
			sa.sin_family = AF_INET;
			sa.sin_port = (in_port_t)htons(UNBOUND_DNS_PORT);
			memmove(&sa.sin_addr, 
				sldns_wirerr_get_rdata(rr, rr_len, dname_len),
				INET_SIZE);
			if(!delegpt_add_target_mlc(dp, rr, dname_len,
					(struct sockaddr_storage*)&sa, len, 
					0, 0)) {
				log_err("out of memory reading root hints");
				goto stop_read;
			}
		} else if(sldns_wirerr_get_type(rr, rr_len, dname_len)
			== LDNS_RR_TYPE_AAAA && sldns_wirerr_get_rdatalen(rr,
			rr_len, dname_len) == INET6_SIZE) {
			struct sockaddr_in6 sa;
			socklen_t len = (socklen_t)sizeof(sa);
			memset(&sa, 0, len);
			sa.sin6_family = AF_INET6;
			sa.sin6_port = (in_port_t)htons(UNBOUND_DNS_PORT);
			memmove(&sa.sin6_addr, 
				sldns_wirerr_get_rdata(rr, rr_len, dname_len),
				INET6_SIZE);
			if(!delegpt_add_target_mlc(dp, rr, dname_len,
					(struct sockaddr_storage*)&sa, len,
					0, 0)) {
				log_err("out of memory reading root hints");
				goto stop_read;
			}
		} else {
			char buf[17];
			sldns_wire2str_type_buf(sldns_wirerr_get_type(rr,
				rr_len, dname_len), buf, sizeof(buf));
			log_warn("root hints %s:%d skipping type %s",
				fname, pstate.lineno, buf);
		}
	}
	fclose(f);
	if(!dp->name) {
		log_warn("root hints %s: no NS content", fname);
		delegpt_free_mlc(dp);
		return 1;
	}
	if(!hints_insert(hints, c, dp, 0)) {
		return 0;
	}
	delegpt_log(VERB_QUERY, dp);
	return 1;

stop_read:
	delegpt_free_mlc(dp);
	fclose(f);
	return 0;
}
示例#6
0
/** read root hints from file */
static int 
read_root_hints(struct iter_hints* hints, char* fname)
{
	int lineno = 0;
	uint32_t default_ttl = 0;
	ldns_rdf* origin = NULL;
	ldns_rdf* prev_rr = NULL;
	struct delegpt* dp;
	ldns_rr* rr = NULL;
	ldns_status status;
	uint16_t c = LDNS_RR_CLASS_IN;
	FILE* f = fopen(fname, "r");
	if(!f) {
		log_err("could not read root hints %s: %s",
			fname, strerror(errno));
		return 0;
	}
	dp = delegpt_create_mlc(NULL);
	if(!dp) {
		log_err("out of memory reading root hints");
		fclose(f);
		return 0;
	}
	verbose(VERB_QUERY, "Reading root hints from %s", fname);
	dp->has_parent_side_NS = 1;
	while(!feof(f)) {
		status = ldns_rr_new_frm_fp_l(&rr, f, 
			&default_ttl, &origin, &prev_rr, &lineno);
		if(status == LDNS_STATUS_SYNTAX_EMPTY ||
			status == LDNS_STATUS_SYNTAX_TTL ||
			status == LDNS_STATUS_SYNTAX_ORIGIN)
			continue;
		if(status != LDNS_STATUS_OK) {
			log_err("reading root hints %s %d: %s", fname,
				lineno, ldns_get_errorstr_by_id(status));
			goto stop_read;
		}
		if(ldns_rr_get_type(rr) == LDNS_RR_TYPE_NS) {
			if(!delegpt_add_ns_mlc(dp,
				ldns_rdf_data(ldns_rr_rdf(rr, 0)), 0)) {
				log_err("out of memory reading root hints");
				goto stop_read;
			}
			c = ldns_rr_get_class(rr);
			if(!dp->name) {
				if(!delegpt_set_name_mlc(dp,
					ldns_rdf_data(ldns_rr_owner(rr)))){
					log_err("out of memory.");
					goto stop_read;
				}
			}
		} else if(ldns_rr_get_type(rr) == LDNS_RR_TYPE_A) {
			struct sockaddr_in sa;
			socklen_t len = (socklen_t)sizeof(sa);
			memset(&sa, 0, len);
			sa.sin_family = AF_INET;
			sa.sin_port = (in_port_t)htons(UNBOUND_DNS_PORT);
			memmove(&sa.sin_addr, 
				ldns_rdf_data(ldns_rr_rdf(rr, 0)), INET_SIZE);
			if(!delegpt_add_target_mlc(dp,
					ldns_rdf_data(ldns_rr_owner(rr)),
					ldns_rdf_size(ldns_rr_owner(rr)),
					(struct sockaddr_storage*)&sa, len, 
					0, 0)) {
				log_err("out of memory reading root hints");
				goto stop_read;
			}
		} else if(ldns_rr_get_type(rr) == LDNS_RR_TYPE_AAAA) {
			struct sockaddr_in6 sa;
			socklen_t len = (socklen_t)sizeof(sa);
			memset(&sa, 0, len);
			sa.sin6_family = AF_INET6;
			sa.sin6_port = (in_port_t)htons(UNBOUND_DNS_PORT);
			memmove(&sa.sin6_addr, 
				ldns_rdf_data(ldns_rr_rdf(rr, 0)), INET6_SIZE);
			if(!delegpt_add_target_mlc(dp,
					ldns_rdf_data(ldns_rr_owner(rr)),
					ldns_rdf_size(ldns_rr_owner(rr)),
					(struct sockaddr_storage*)&sa, len,
					0, 0)) {
				log_err("out of memory reading root hints");
				goto stop_read;
			}
		} else {
			log_warn("root hints %s:%d skipping type %d",
				fname, lineno, ldns_rr_get_type(rr));
		}

		ldns_rr_free(rr);
	}

	if (origin)
		ldns_rdf_deep_free(origin);
	if (prev_rr)
		ldns_rdf_deep_free(prev_rr);
	fclose(f);
	if(!dp->name) {
		log_warn("root hints %s: no NS content", fname);
		delegpt_free_mlc(dp);
		return 1;
	}
	if(!hints_insert(hints, c, dp, 0)) {
		return 0;
	}
	delegpt_log(VERB_QUERY, dp);
	return 1;

stop_read:
	if (origin)
		ldns_rdf_deep_free(origin);
	if (prev_rr)
		ldns_rdf_deep_free(prev_rr);
	delegpt_free_mlc(dp);
	fclose(f);
	return 0;
}