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/* Copyright (C) 2011 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "zscanner/scanner_functions.h"
#include <inttypes.h> // PRIu64
#include <stdio.h> // printf
#include "common/errcode.h" // knot_strerror
#include "common/descriptor.h" // knot_rrtype_to_string
#include "zscanner/scanner.h" // scanner_t
#define ERROR_CODE_TO_STRING(code) [code - ZSCANNER_UNCOVERED_STATE] = #code
const char *error_names[] = {
ERROR_CODE_TO_STRING(ZSCANNER_UNCOVERED_STATE),
ERROR_CODE_TO_STRING(ZSCANNER_ELEFT_PARENTHESIS),
ERROR_CODE_TO_STRING(ZSCANNER_ERIGHT_PARENTHESIS),
ERROR_CODE_TO_STRING(ZSCANNER_EUNSUPPORTED_TYPE),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_PREVIOUS_OWNER),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_DNAME_CHAR),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_OWNER),
ERROR_CODE_TO_STRING(ZSCANNER_ELABEL_OVERFLOW),
ERROR_CODE_TO_STRING(ZSCANNER_EDNAME_OVERFLOW),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_NUMBER),
ERROR_CODE_TO_STRING(ZSCANNER_ENUMBER64_OVERFLOW),
ERROR_CODE_TO_STRING(ZSCANNER_ENUMBER32_OVERFLOW),
ERROR_CODE_TO_STRING(ZSCANNER_ENUMBER16_OVERFLOW),
ERROR_CODE_TO_STRING(ZSCANNER_ENUMBER8_OVERFLOW),
ERROR_CODE_TO_STRING(ZSCANNER_EFLOAT_OVERFLOW),
ERROR_CODE_TO_STRING(ZSCANNER_ERDATA_OVERFLOW),
ERROR_CODE_TO_STRING(ZSCANNER_EITEM_OVERFLOW),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_ADDRESS_CHAR),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_IPV4),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_IPV6),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_GATEWAY),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_GATEWAY_KEY),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_APL),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_RDATA),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_HEX_RDATA),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_HEX_CHAR),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_BASE64_CHAR),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_BASE32HEX_CHAR),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_REST),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_TIMESTAMP_CHAR),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_TIMESTAMP_LENGTH),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_TIMESTAMP),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_DATE),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_TIME),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_TIME_UNIT),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_BITMAP),
ERROR_CODE_TO_STRING(ZSCANNER_ETEXT_OVERFLOW),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_TEXT_CHAR),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_TEXT),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_DIRECTIVE),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_TTL),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_ORIGIN),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_INCLUDE_FILENAME),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_INCLUDE_ORIGIN),
ERROR_CODE_TO_STRING(ZSCANNER_EUNPROCESSED_INCLUDE),
ERROR_CODE_TO_STRING(ZSCANNER_EUNOPENED_INCLUDE),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_RDATA_LENGTH),
ERROR_CODE_TO_STRING(ZSCANNER_ECANNOT_TEXT_DATA),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_LOC_DATA),
ERROR_CODE_TO_STRING(ZSCANNER_EUNKNOWN_BLOCK),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_ALGORITHM),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_CERT_TYPE),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_EUI_LENGTH),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_L64_LENGTH),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_CHAR_COLON),
ERROR_CODE_TO_STRING(ZSCANNER_EBAD_CHAR_DASH),
};
#define ERROR_CODE_NAME(code) error_names[code - ZSCANNER_UNCOVERED_STATE]
const char *separator = "------\n";
static void print_wire_dname(const uint8_t *dname, uint32_t dname_length)
{
uint32_t label_length = 0, i = 0;
for (i = 0; i < dname_length; i++) {
if (label_length == 0) {
label_length = dname[i];
printf("(%u)", label_length);
continue;
}
printf("%c", (char)dname[i]);
label_length--;
}
}
void empty_process(const scanner_t *s)
{
(void)s;
}
void debug_process_error(const scanner_t *s)
{
if (s->stop == true) {
printf("LINE(%03"PRIu64") ERROR(%s) FILE(%s) NEAR(%s)\n",
s->line_counter,
knot_strerror(s->error_code),
s->file_name,
s->buffer);
} else {
printf("LINE(%03"PRIu64") WARNING(%s) FILE(%s) NEAR(%s)\n",
s->line_counter,
knot_strerror(s->error_code),
s->file_name,
s->buffer);
}
fflush(stdout);
}
void debug_process_record(const scanner_t *s)
{
uint32_t block, block_length, i;
char rclass[32];
char rtype[32];
if (knot_rrclass_to_string(s->r_class, rclass, sizeof(rclass)) > 0 &&
knot_rrtype_to_string(s->r_type, rtype, sizeof(rtype)) > 0) {
printf("LINE(%03"PRIu64") %s %u %*s ",
s->line_counter, rclass, s->r_ttl, 5, rtype);
} else {
printf("LINE(%03"PRIu64") %u %u %*u ",
s->line_counter, s->r_class, s->r_ttl, 5, s->r_type);
}
print_wire_dname(s->r_owner, s->r_owner_length);
printf(" #%u/%uB:", s->r_data_blocks_count, s->r_data_length);
for (block = 1; block <= s->r_data_blocks_count; block++) {
block_length =
s->r_data_blocks[block] - s->r_data_blocks[block - 1];
printf(" (%u)", block_length);
for (i = s->r_data_blocks[block - 1];
i < s->r_data_blocks[block];
i++) {
printf("%02X", (s->r_data)[i]);
}
}
printf("\n");
fflush(stdout);
}
void test_process_error(const scanner_t *s)
{
if (s->stop == true) {
printf("ERROR=%s\n%s", ERROR_CODE_NAME(s->error_code), separator);
} else {
printf("WARNG=%s\n%s", ERROR_CODE_NAME(s->error_code), separator);
}
fflush(stdout);
}
void test_process_record(const scanner_t *s)
{
uint32_t block, i;
printf("OWNER=");
for (i = 0; i < s->r_owner_length; i++) {
printf("%02X", s->r_owner[i]);
}
printf("\n");
printf("CLASS=%04X\n", s->r_class);
printf("RRTTL=%08X\n", s->r_ttl);
printf("RTYPE=%04X\n", s->r_type);
printf("RDATA=");
for (block = 1; block <= s->r_data_blocks_count; block++) {
if (block > 1) {
printf(" ");
}
for (i = s->r_data_blocks[block - 1];
i < s->r_data_blocks[block];
i++) {
printf("%02X", (s->r_data)[i]);
}
}
printf("\n%s", separator);
fflush(stdout);
}
void dump_rdata(const scanner_t *s)
{
uint32_t block, i;
for (block = 1; block <= s->r_data_blocks_count; block++) {
for (i = s->r_data_blocks[block - 1];
i < s->r_data_blocks[block];
i++) {
printf("%c", (s->r_data)[i]);
}
}
}
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