/** nice string for type */
static void
pretty_type(char* s, size_t len, int t)
{
char d[16];
sldns_wire2str_type_buf((uint16_t)t, d, sizeof(d));
snprintf(s, len, "%s", d);
}
/** print result to file */
static void
do_print(struct ub_result* result, char* file)
{
FILE* out = fopen(file, "w");
char s[65535], t[32];
int i;
if(!out) {
perror(file);
fatal("fopen failed");
}
i = 0;
if(result->havedata)
while(result->data[i]) {
sldns_wire2str_rdata_buf((uint8_t*)result->data[i],
(size_t)result->len[i], s, sizeof(s),
(uint16_t)result->qtype);
sldns_wire2str_type_buf((uint16_t)result->qtype, t, sizeof(t));
fprintf(out, "%s\t%s\t%s\n", result->qname, t, s);
i++;
}
fclose(out);
}
/** 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;
}
/** print extended */
static void print_extended(struct ub_stats_info* s)
{
int i;
char nm[16];
/* TYPE */
for(i=0; i<UB_STATS_QTYPE_NUM; i++) {
if(inhibit_zero && s->svr.qtype[i] == 0)
continue;
sldns_wire2str_type_buf((uint16_t)i, nm, sizeof(nm));
PR_UL_SUB("num.query.type", nm, s->svr.qtype[i]);
}
if(!inhibit_zero || s->svr.qtype_big) {
PR_UL("num.query.type.other", s->svr.qtype_big);
}
/* CLASS */
for(i=0; i<UB_STATS_QCLASS_NUM; i++) {
if(inhibit_zero && s->svr.qclass[i] == 0)
continue;
sldns_wire2str_class_buf((uint16_t)i, nm, sizeof(nm));
PR_UL_SUB("num.query.class", nm, s->svr.qclass[i]);
}
if(!inhibit_zero || s->svr.qclass_big) {
PR_UL("num.query.class.other", s->svr.qclass_big);
}
/* OPCODE */
for(i=0; i<UB_STATS_OPCODE_NUM; i++) {
if(inhibit_zero && s->svr.qopcode[i] == 0)
continue;
sldns_wire2str_opcode_buf(i, nm, sizeof(nm));
PR_UL_SUB("num.query.opcode", nm, s->svr.qopcode[i]);
}
/* transport */
PR_UL("num.query.tcp", s->svr.qtcp);
PR_UL("num.query.tcpout", s->svr.qtcp_outgoing);
PR_UL("num.query.tls", s->svr.qtls);
PR_UL("num.query.ipv6", s->svr.qipv6);
/* flags */
PR_UL("num.query.flags.QR", s->svr.qbit_QR);
PR_UL("num.query.flags.AA", s->svr.qbit_AA);
PR_UL("num.query.flags.TC", s->svr.qbit_TC);
PR_UL("num.query.flags.RD", s->svr.qbit_RD);
PR_UL("num.query.flags.RA", s->svr.qbit_RA);
PR_UL("num.query.flags.Z", s->svr.qbit_Z);
PR_UL("num.query.flags.AD", s->svr.qbit_AD);
PR_UL("num.query.flags.CD", s->svr.qbit_CD);
PR_UL("num.query.edns.present", s->svr.qEDNS);
PR_UL("num.query.edns.DO", s->svr.qEDNS_DO);
/* RCODE */
for(i=0; i<UB_STATS_RCODE_NUM; i++) {
/* Always include RCODEs 0-5 */
if(inhibit_zero && i > LDNS_RCODE_REFUSED && s->svr.ans_rcode[i] == 0)
continue;
sldns_wire2str_rcode_buf(i, nm, sizeof(nm));
PR_UL_SUB("num.answer.rcode", nm, s->svr.ans_rcode[i]);
}
if(!inhibit_zero || s->svr.ans_rcode_nodata) {
PR_UL("num.answer.rcode.nodata", s->svr.ans_rcode_nodata);
}
/* iteration */
PR_UL("num.query.ratelimited", s->svr.queries_ratelimited);
/* validation */
PR_UL("num.answer.secure", s->svr.ans_secure);
PR_UL("num.answer.bogus", s->svr.ans_bogus);
PR_UL("num.rrset.bogus", s->svr.rrset_bogus);
PR_UL("num.query.aggressive.NOERROR", s->svr.num_neg_cache_noerror);
PR_UL("num.query.aggressive.NXDOMAIN", s->svr.num_neg_cache_nxdomain);
/* threat detection */
PR_UL("unwanted.queries", s->svr.unwanted_queries);
PR_UL("unwanted.replies", s->svr.unwanted_replies);
/* cache counts */
PR_UL("msg.cache.count", s->svr.msg_cache_count);
PR_UL("rrset.cache.count", s->svr.rrset_cache_count);
PR_UL("infra.cache.count", s->svr.infra_cache_count);
PR_UL("key.cache.count", s->svr.key_cache_count);
#ifdef USE_DNSCRYPT
PR_UL("dnscrypt_shared_secret.cache.count",
s->svr.shared_secret_cache_count);
PR_UL("num.query.dnscrypt.shared_secret.cachemiss",
s->svr.num_query_dnscrypt_secret_missed_cache);
PR_UL("dnscrypt_nonce.cache.count", s->svr.nonce_cache_count);
PR_UL("num.query.dnscrypt.replay",
s->svr.num_query_dnscrypt_replay);
#endif /* USE_DNSCRYPT */
PR_UL("num.query.authzone.up", s->svr.num_query_authzone_up);
PR_UL("num.query.authzone.down", s->svr.num_query_authzone_down);
#ifdef CLIENT_SUBNET
PR_UL("num.query.subnet", s->svr.num_query_subnet);
PR_UL("num.query.subnet_cache", s->svr.num_query_subnet_cache);
#endif
}
