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/*
* Copyright (c) 2005,2006, NLnetLabs
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of NLnetLabs nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <ldns/ldns.h>
/* Adapted from ldns_pktheader2buffer_str() from ldns host2str.c. */
ldns_status
my_ldns_pktheader2buffer_str(ldns_buffer *output, const ldns_pkt *pkt)
{
ldns_lookup_table *opcode = ldns_lookup_by_id(ldns_opcodes,
(int) ldns_pkt_get_opcode(pkt));
ldns_lookup_table *rcode = ldns_lookup_by_id(ldns_rcodes,
(int) ldns_pkt_get_rcode(pkt));
ldns_buffer_printf(output, " ");
ldns_buffer_printf(output, ";; ->>HEADER<<- ");
if (opcode) {
ldns_buffer_printf(output, "opcode: %s, ", opcode->name);
} else {
ldns_buffer_printf(output, "opcode: ?? (%u), ",
ldns_pkt_get_opcode(pkt));
}
if (rcode) {
ldns_buffer_printf(output, "rcode: %s, ", rcode->name);
} else {
ldns_buffer_printf(output, "rcode: ?? (%u), ", ldns_pkt_get_rcode(pkt));
}
ldns_buffer_printf(output, "id: %d\n", ldns_pkt_id(pkt));
ldns_buffer_printf(output, " ");
ldns_buffer_printf(output, ";; flags: ");
if (ldns_pkt_qr(pkt)) {
ldns_buffer_printf(output, "qr ");
}
if (ldns_pkt_aa(pkt)) {
ldns_buffer_printf(output, "aa ");
}
if (ldns_pkt_tc(pkt)) {
ldns_buffer_printf(output, "tc ");
}
if (ldns_pkt_rd(pkt)) {
ldns_buffer_printf(output, "rd ");
}
if (ldns_pkt_cd(pkt)) {
ldns_buffer_printf(output, "cd ");
}
if (ldns_pkt_ra(pkt)) {
ldns_buffer_printf(output, "ra ");
}
if (ldns_pkt_ad(pkt)) {
ldns_buffer_printf(output, "ad ");
}
ldns_buffer_printf(output, "; ");
ldns_buffer_printf(output, "QUERY: %u, ", ldns_pkt_qdcount(pkt));
ldns_buffer_printf(output, "ANSWER: %u, ", ldns_pkt_ancount(pkt));
ldns_buffer_printf(output, "AUTHORITY: %u, ", ldns_pkt_nscount(pkt));
ldns_buffer_printf(output, "ADDITIONAL: %u ", ldns_pkt_arcount(pkt));
return ldns_buffer_status(output);
}
/* Adapted from ldns_pkt2buffer_str_fmt() from ldns host2str.c. */
ldns_status
my_ldns_pkt2buffer_str_fmt(ldns_buffer *output,
const ldns_output_format *fmt,
const ldns_pkt *pkt)
{
uint16_t i;
ldns_status status = LDNS_STATUS_OK;
if (!pkt) {
ldns_buffer_printf(output, "null");
return LDNS_STATUS_OK;
}
if (ldns_buffer_status_ok(output)) {
status = my_ldns_pktheader2buffer_str(output, pkt);
if (status != LDNS_STATUS_OK) {
return status;
}
ldns_buffer_printf(output, "\n\n");
ldns_buffer_printf(output, " ;; QUESTION SECTION:\n ;");
for (i = 0; i < ldns_pkt_qdcount(pkt); i++) {
status = ldns_rr2buffer_str_fmt(output, fmt,
ldns_rr_list_rr(
ldns_pkt_question(pkt), i));
if (status != LDNS_STATUS_OK) {
return status;
}
}
ldns_buffer_printf(output, "\n");
ldns_buffer_printf(output, " ;; ANSWER SECTION:\n");
for (i = 0; i < ldns_pkt_ancount(pkt); i++) {
ldns_buffer_printf(output, " ");
status = ldns_rr2buffer_str_fmt(output, fmt,
ldns_rr_list_rr(
ldns_pkt_answer(pkt), i));
if (status != LDNS_STATUS_OK) {
return status;
}
}
ldns_buffer_printf(output, "\n");
ldns_buffer_printf(output, " ;; AUTHORITY SECTION:\n");
for (i = 0; i < ldns_pkt_nscount(pkt); i++) {
ldns_buffer_printf(output, " ");
status = ldns_rr2buffer_str_fmt(output, fmt,
ldns_rr_list_rr(
ldns_pkt_authority(pkt), i));
if (status != LDNS_STATUS_OK) {
return status;
}
}
ldns_buffer_printf(output, "\n");
ldns_buffer_printf(output, " ;; ADDITIONAL SECTION:\n");
for (i = 0; i < ldns_pkt_arcount(pkt); i++) {
ldns_buffer_printf(output, " ");
status = ldns_rr2buffer_str_fmt(output, fmt,
ldns_rr_list_rr(
ldns_pkt_additional(pkt), i));
if (status != LDNS_STATUS_OK) {
return status;
}
}
ldns_buffer_printf(output, "\n");
/* add some futher fields */
if (ldns_pkt_edns(pkt)) {
ldns_buffer_printf(output, " ");
ldns_buffer_printf(output,
";; EDNS: version %u; flags:",
ldns_pkt_edns_version(pkt));
if (ldns_pkt_edns_do(pkt)) {
ldns_buffer_printf(output, " do");
}
/* the extended rcode is the value set, shifted four bits,
* and or'd with the original rcode */
if (ldns_pkt_edns_extended_rcode(pkt)) {
ldns_buffer_printf(output, " ; ext-rcode: %d",
(ldns_pkt_edns_extended_rcode(pkt) << 4 | ldns_pkt_get_rcode(pkt)));
}
ldns_buffer_printf(output, " ; udp: %u\n",
ldns_pkt_edns_udp_size(pkt));
if (ldns_pkt_edns_data(pkt)) {
ldns_buffer_printf(output, ";; Data: ");
(void)ldns_rdf2buffer_str(output,
ldns_pkt_edns_data(pkt));
ldns_buffer_printf(output, "\n");
}
}
if (ldns_pkt_tsig(pkt)) {
ldns_buffer_printf(output, " ");
ldns_buffer_printf(output, ";; TSIG:\n;; ");
(void) ldns_rr2buffer_str_fmt(
output, fmt, ldns_pkt_tsig(pkt));
ldns_buffer_printf(output, "\n");
}
} else {
return ldns_buffer_status(output);
}
return status;
}
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