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Commit d2e970a8 authored by Lubos Slovak's avatar Lubos Slovak
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Dumping of response + minor changes. 

- Private functions made static.
- Function for dumping response (dumping of Answer, Authority and
  Additional sections not implemented yet).

refs #143
parent b7bac676
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with 57 additions and 12 deletions
src/dnslib/response.c
+ 57
− 12
View file @ d2e970a8
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include <stdio.h>
#include "response.h"
#include "rrset.h"
......@@ -46,7 +47,7 @@ enum {
/* Non-API functions */
/*----------------------------------------------------------------------------*/
void dnslib_response_parse_host_edns(dnslib_response_t *response,
static void dnslib_response_parse_host_edns(dnslib_response_t *response,
const uint8_t *edns_wire, short edns_size)
{
......@@ -54,7 +55,7 @@ void dnslib_response_parse_host_edns(dnslib_response_t *response,
/*----------------------------------------------------------------------------*/
void dnslib_response_init_pointers(dnslib_response_t *resp)
static void dnslib_response_init_pointers(dnslib_response_t *resp)
{
// put QNAME directly after the structure
resp->question.qname =
......@@ -89,8 +90,8 @@ void dnslib_response_init_pointers(dnslib_response_t *resp)
/*----------------------------------------------------------------------------*/
void dnslib_response_init(dnslib_response_t *resp, const uint8_t *edns_wire,
short edns_size)
static void dnslib_response_init(dnslib_response_t *resp,
const uint8_t *edns_wire, short edns_size)
{
memset(resp, 0, PREALLOC_TOTAL);
......@@ -108,8 +109,8 @@ void dnslib_response_init(dnslib_response_t *resp, const uint8_t *edns_wire,
/*----------------------------------------------------------------------------*/
int dnslib_response_parse_header(const uint8_t **pos, size_t *remaining,
dnslib_header_t *header)
static int dnslib_response_parse_header(const uint8_t **pos, size_t *remaining,
dnslib_header_t *header)
{
if (pos == NULL || *pos == NULL || remaining == NULL
|| header == NULL) {
......@@ -136,8 +137,9 @@ int dnslib_response_parse_header(const uint8_t **pos, size_t *remaining,
/*----------------------------------------------------------------------------*/
int dnslib_response_parse_question(const uint8_t **pos, size_t *remaining,
dnslib_question_t *question)
static int dnslib_response_parse_question(const uint8_t **pos,
size_t *remaining,
dnslib_question_t *question)
{
if (pos == NULL || *pos == NULL || remaining == NULL
|| question == NULL) {
......@@ -172,8 +174,9 @@ int dnslib_response_parse_question(const uint8_t **pos, size_t *remaining,
/*----------------------------------------------------------------------------*/
int dnslib_response_parse_client_edns(const uint8_t **pos, size_t *remaining,
dnslib_edns_data_t *edns)
static int dnslib_response_parse_client_edns(const uint8_t **pos,
size_t *remaining,
dnslib_edns_data_t *edns)
{
if (pos == NULL || *pos == NULL || remaining == NULL
|| edns == NULL) {
......@@ -219,7 +222,7 @@ int dnslib_response_parse_client_edns(const uint8_t **pos, size_t *remaining,
/*----------------------------------------------------------------------------*/
void dnslib_response_free_tmp_domains(dnslib_response_t *resp)
static void dnslib_response_free_tmp_domains(dnslib_response_t *resp)
{
for (int i = 0; i < resp->tmp_dname_count; ++i) {
dnslib_dname_free(&resp->tmp_dnames[i]);
......@@ -228,7 +231,7 @@ void dnslib_response_free_tmp_domains(dnslib_response_t *resp)
/*----------------------------------------------------------------------------*/
void dnslib_response_free_allocated_space(dnslib_response_t *resp)
static void dnslib_response_free_allocated_space(dnslib_response_t *resp)
{
if (resp->max_ancount > DEFAULT_ANCOUNT) {
free(resp->answer);
......@@ -250,6 +253,46 @@ void dnslib_response_free_allocated_space(dnslib_response_t *resp)
}
}
/*----------------------------------------------------------------------------*/
static void dnslib_response_dump(const dnslib_response_t *resp)
{
printf("DNS response:\n-------------------------------------\n");
printf("\nHeader:\n");
printf(" ID: %u", resp->header.id);
printf(" FLAGS: %s %s %s %s %s %s %s\n",
dnslib_packet_flags_get_qr(resp->header.flags1) ? "qr" : "",
dnslib_packet_flags_get_aa(resp->header.flags1) ? "aa" : "",
dnslib_packet_flags_get_tc(resp->header.flags1) ? "tc" : "",
dnslib_packet_flags_get_rd(resp->header.flags1) ? "rd" : "",
dnslib_packet_flags_get_ra(resp->header.flags2) ? "ra" : "",
dnslib_packet_flags_get_ad(resp->header.flags2) ? "ad" : "",
dnslib_packet_flags_get_cd(resp->header.flags2) ? "cd" : "");
printf(" QDCOUNT: %u\n", resp->header.qdcount);
printf(" ANCOUNT: %u\n", resp->header.ancount);
printf(" NSCOUNT: %u\n", resp->header.nscount);
printf(" ARCOUNT: %u\n", resp->header.arcount);
printf("\nQuestion:\n");
char *qname = dnslib_dname_to_str(resp->question.qname);
printf(" QNAME: %s\n", qname);
free(qname);
printf(" QTYPE: %u (%s)\n", resp->question.qtype,
dnslib_rrtype_to_string(resp->question.qtype));
printf(" QCLASS: %u (%s)\n", resp->question.qclass,
dnslib_rrclass_to_string(resp->question.qclass));
/*! \todo Dumping of Answer, Authority and Additional sections. */
printf("\nEDNS - client:\n");
printf(" Version: %u\n", resp->edns_query.version);
printf(" Payload: %u\n", resp->edns_query.payload);
printf(" Extended RCODE: %u\n", resp->edns_query.ext_rcode);
printf("\n-------------------------------------\n");
}
/*----------------------------------------------------------------------------*/
/* API functions */
/*----------------------------------------------------------------------------*/
......@@ -295,6 +338,8 @@ int dnslib_response_parse_query(dnslib_response_t *resp,
log_info("%d bytes of trailing garbage in query.\n", remaining);
}
dnslib_response_dump(resp);
return 0;
}
......
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