static void print_section_dig(const knot_rrset_t *rrsets,
const uint16_t count,
const style_t *style)
{
size_t buflen = 8192;
char *buf = calloc(buflen, 1);
for (size_t i = 0; i < count; i++) {
const knot_rrset_t *rrset = &rrsets[i];
uint16_t rrset_rdata_count = rrset->rrs.rr_count;
for (uint16_t j = 0; j < rrset_rdata_count; j++) {
while (knot_rrset_txt_dump_data(rrset, j, buf, buflen,
&(style->style)) < 0) {
buflen += 4096;
// Oversize protection.
if (buflen > 100000) {
WARN("can't print whole section\n");
break;
}
char *newbuf = realloc(buf, buflen);
if (newbuf == NULL) {
WARN("can't print whole section\n");
break;
}
buf = newbuf;
}
printf("%s\n", buf);
}
}
free(buf);
}
static void print_section_host(const knot_rrset_t *rrsets,
const uint16_t count,
const style_t *style)
{
size_t buflen = 8192;
char *buf = calloc(buflen, 1);
for (size_t i = 0; i < count; i++) {
const knot_rrset_t *rrset = &rrsets[i];
lookup_table_t *descr;
char type[32] = "NULL";
char *owner;
owner = knot_dname_to_str_alloc(rrset->owner);
if (style->style.ascii_to_idn != NULL) {
style->style.ascii_to_idn(&owner);
}
descr = lookup_by_id(rtypes, rrset->type);
uint16_t rrset_rdata_count = rrset->rrs.rr_count;
for (uint16_t j = 0; j < rrset_rdata_count; j++) {
if (rrset->type == KNOT_RRTYPE_CNAME &&
style->hide_cname) {
continue;
}
while (knot_rrset_txt_dump_data(rrset, j, buf, buflen,
&(style->style)) < 0) {
buflen += 4096;
// Oversize protection.
if (buflen > 100000) {
WARN("can't print whole section\n");
break;
}
char *newbuf = realloc(buf, buflen);
if (newbuf == NULL) {
WARN("can't print whole section\n");
break;
}
buf = newbuf;
}
if (descr != NULL) {
printf("%s %s %s\n", owner, descr->name, buf);
} else {
knot_rrtype_to_string(rrset->type, type,
sizeof(type));
printf("%s has %s record %s\n",
owner, type, buf);
}
}
free(owner);
}
free(buf);
}
static int rosedb_log_message(char *stream, size_t *maxlen, knot_pkt_t *pkt,
const char *threat_code, struct query_data *qdata)
{
char dname_buf[KNOT_DNAME_MAXLEN] = {'\0'};
struct sockaddr_storage addr;
socklen_t addr_len = sizeof(addr);
time_t now = time(NULL);
struct tm tm;
gmtime_r(&now, &tm);
/* Field 1 Timestamp (UTC). */
STREAM_WRITE(stream, maxlen, strftime, "%Y-%m-%d %H:%M:%S\t", &tm);
/* Field 2/3 Remote, local address. */
const struct sockaddr *remote = (const struct sockaddr *)qdata->param->remote;
memcpy(&addr, remote, sockaddr_len(remote));
int client_port = sockaddr_port(&addr);
sockaddr_port_set(&addr, 0);
STREAM_WRITE(stream, maxlen, sockaddr_tostr, &addr);
STREAM_WRITE(stream, maxlen, snprintf, "\t");
getsockname(qdata->param->socket, (struct sockaddr *)&addr, &addr_len);
int server_port = sockaddr_port(&addr);
sockaddr_port_set(&addr, 0);
STREAM_WRITE(stream, maxlen, sockaddr_tostr, &addr);
STREAM_WRITE(stream, maxlen, snprintf, "\t");
/* Field 4/5 Local, remote port. */
STREAM_WRITE(stream, maxlen, snprintf, "%d\t%d\t", client_port, server_port);
/* Field 6 Threat ID. */
STREAM_WRITE(stream, maxlen, snprintf, "%s\t", threat_code);
/* Field 7 - 13 NULL */
STREAM_WRITE(stream, maxlen, snprintf, "\t\t\t\t\t\t\t");
/* Field 14 QNAME */
knot_dname_to_str(dname_buf, knot_pkt_qname(qdata->query), sizeof(dname_buf));
STREAM_WRITE(stream, maxlen, snprintf, "%s\t", dname_buf);
/* Field 15 Resolution (0 = local, 1 = lookup)*/
STREAM_WRITE(stream, maxlen, snprintf, "0\t");
/* Field 16 RDATA.
* - Return randomly RDATA in the answer section (probabilistic rotation).
* - Empty if no answer.
*/
const knot_pktsection_t *ans = knot_pkt_section(pkt, KNOT_ANSWER);
if (ans->count > 0) {
const knot_rrset_t *rr = &ans->rr[knot_random_uint16_t() % ans->count];
int ret = knot_rrset_txt_dump_data(rr, 0, stream, *maxlen, &KNOT_DUMP_STYLE_DEFAULT);
if (ret < 0) {
return ret;
}
stream_skip(&stream, maxlen, ret);
}
STREAM_WRITE(stream, maxlen, snprintf, "\t");
/* Field 17 Connection type. */
STREAM_WRITE(stream, maxlen, snprintf, "%s\t",
net_is_connected(qdata->param->socket) ? "TCP" : "UDP");
/* Field 18 Query type. */
char type_str[16] = { '\0' };
knot_rrtype_to_string(knot_pkt_qtype(qdata->query), type_str, sizeof(type_str));
STREAM_WRITE(stream, maxlen, snprintf, "%s\t", type_str);
/* Field 19 First authority. */
const knot_pktsection_t *ns = knot_pkt_section(pkt, KNOT_AUTHORITY);
if (ns->count > 0 && ns->rr[0].type == KNOT_RRTYPE_NS) {
const knot_dname_t *label = knot_ns_name(&ns->rr[0].rrs, 0);
memset(dname_buf, 0, sizeof(dname_buf));
memcpy(dname_buf, label + 1, *label);
STREAM_WRITE(stream, maxlen, snprintf, "%s", dname_buf);
}
return KNOT_EOK;
}