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/* Copyright (C) 2024 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 <https://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include "libzscanner/error.h"
typedef struct {
int code;
const char *text;
const char *code_name;
} err_table_t;
#define ERR_ITEM(code, text) { code, text, #code }
static const err_table_t err_msgs[] = {
ERR_ITEM( ZS_OK,
"ok" ),
ERR_ITEM( ZS_EINVAL,
"invalid parameter" ),
ERR_ITEM( ZS_ENOMEM,
"not enough memory" ),
ERR_ITEM( ZS_FILE_OPEN,
"file open error" ),
ERR_ITEM( ZS_FILE_INVALID,
"invalid file" ),
ERR_ITEM( ZS_DOS_NEWLINE,
"unsupported CRLF newline, remove CR bytes" ),
ERR_ITEM( ZS_UNCOVERED_STATE,
"general scanner error" ),
ERR_ITEM( ZS_UNCLOSED_MULTILINE,
"unclosed last multiline block" ),
ERR_ITEM( ZS_LEFT_PARENTHESIS,
"too many left parentheses" ),
ERR_ITEM( ZS_RIGHT_PARENTHESIS,
"too many right parentheses" ),
ERR_ITEM( ZS_UNSUPPORTED_TYPE,
"unsupported record type" ),
ERR_ITEM( ZS_BAD_PREVIOUS_OWNER,
"previous owner is invalid" ),
ERR_ITEM( ZS_BAD_DNAME_CHAR,
"invalid domain name character" ),
ERR_ITEM( ZS_BAD_OWNER,
"owner is invalid" ),
ERR_ITEM( ZS_LABEL_OVERFLOW,
"maximal domain name label length has exceeded" ),
ERR_ITEM( ZS_DNAME_OVERFLOW,
"maximal domain name length has exceeded" ),
ERR_ITEM( ZS_BAD_NUMBER,
"invalid number" ),
ERR_ITEM( ZS_NUMBER64_OVERFLOW,
"number is too big" ),
ERR_ITEM( ZS_NUMBER32_OVERFLOW,
"number is bigger than 32 bits" ),
ERR_ITEM( ZS_NUMBER16_OVERFLOW,
"number is bigger than 16 bits" ),
ERR_ITEM( ZS_NUMBER8_OVERFLOW,
"number is bigger than 8 bits" ),
ERR_ITEM( ZS_FLOAT_OVERFLOW,
"float number overflow" ),
ERR_ITEM( ZS_RDATA_OVERFLOW,
"maximal record data length has exceeded" ),
ERR_ITEM( ZS_ITEM_OVERFLOW,
"maximal item length has exceeded" ),
ERR_ITEM( ZS_BAD_ADDRESS_CHAR,
"invalid address character" ),
ERR_ITEM( ZS_BAD_IPV4,
"invalid IPv4 address" ),
ERR_ITEM( ZS_BAD_IPV6,
"invalid IPv6 address" ),
ERR_ITEM( ZS_BAD_GATEWAY,
"invalid gateway" ),
ERR_ITEM( ZS_BAD_GATEWAY_KEY,
"invalid gateway key" ),
ERR_ITEM( ZS_BAD_APL,
"invalid address prefix list" ),
ERR_ITEM( ZS_BAD_RDATA,
"invalid record data" ),
ERR_ITEM( ZS_BAD_HEX_RDATA,
"invalid record data in hex format" ),
ERR_ITEM( ZS_BAD_HEX_CHAR,
"invalid hexadecimal character" ),
ERR_ITEM( ZS_BAD_BASE64_CHAR,
"invalid Base64 character" ),
ERR_ITEM( ZS_BAD_BASE32HEX_CHAR,
"invalid Base32hex character" ),
ERR_ITEM( ZS_BAD_REST,
"unexpected data" ),
ERR_ITEM( ZS_BAD_TIMESTAMP_CHAR,
"invalid timestamp character" ),
ERR_ITEM( ZS_BAD_TIMESTAMP_LENGTH,
"invalid timestamp length" ),
ERR_ITEM( ZS_BAD_TIMESTAMP,
"invalid timestamp" ),
ERR_ITEM( ZS_BAD_DATE,
"invalid date" ),
ERR_ITEM( ZS_BAD_TIME,
"invalid time" ),
ERR_ITEM( ZS_BAD_TIME_UNIT,
"invalid time unit" ),
ERR_ITEM( ZS_BAD_BITMAP,
"invalid bitmap" ),
ERR_ITEM( ZS_TEXT_OVERFLOW,
"text is too long" ),
ERR_ITEM( ZS_BAD_TEXT_CHAR,
"invalid text character" ),
ERR_ITEM( ZS_BAD_TEXT,
"invalid text string" ),
ERR_ITEM( ZS_BAD_DIRECTIVE,
"invalid directive" ),
ERR_ITEM( ZS_BAD_TTL,
"invalid zone TTL" ),
ERR_ITEM( ZS_BAD_ORIGIN,
"invalid FQDN zone origin" ),
ERR_ITEM( ZS_BAD_INCLUDE_FILENAME,
"invalid filename in include directive" ),
ERR_ITEM( ZS_BAD_INCLUDE_ORIGIN,
"invalid origin in include directive" ),
ERR_ITEM( ZS_UNPROCESSED_INCLUDE,
"include file processing error" ),
ERR_ITEM( ZS_UNOPENED_INCLUDE,
"include file opening error" ),
ERR_ITEM( ZS_BAD_RDATA_LENGTH,
"the rdata length statement is incorrect" ),
ERR_ITEM( ZS_CANNOT_TEXT_DATA,
"unable to process text form for this type" ),
ERR_ITEM( ZS_BAD_LOC_DATA,
"invalid zone location data" ),
ERR_ITEM( ZS_UNKNOWN_BLOCK,
"unknown rdata block" ),
ERR_ITEM( ZS_BAD_ALGORITHM,
"invalid algorithm" ),
ERR_ITEM( ZS_BAD_CERT_TYPE,
"invalid certificate type" ),
ERR_ITEM( ZS_BAD_EUI_LENGTH,
"invalid EUI length" ),
ERR_ITEM( ZS_BAD_L64_LENGTH,
"invalid 64-bit locator" ),
ERR_ITEM( ZS_BAD_CHAR_COLON,
"missing colon character" ),
ERR_ITEM( ZS_BAD_CHAR_DASH,
"missing dash character" ),
ERR_ITEM( ZS_DUPLICATE_SVCB_KEY,
"duplicate parameter name" ),
ERR_ITEM( ZS_BAD_SVCB_PARAM,
"invalid parameter" ),
ERR_ITEM( ZS_BAD_SVCB_MANDATORY,
"invalid mandatory value" ),
ERR_ITEM( ZS_DUPLICATE_SVCB_MANDATORY,
"duplicate mandatory value" ),
ERR_ITEM( ZS_MISSING_SVCB_MANDATORY,
"missing mandatory parameter" ),
ERR_ITEM( ZS_EMPTY_LIST_ITEM,
"empty comma-separated list item" ),
ERR_ITEM( ZS_FILE_ACCESS,
"permission denied" ),
ERR_ITEM( ZS_BAD_ALPN_BACKSLASH,
"unscaped backslash character" ),
ERR_ITEM( 0, NULL ) // Terminator
};
__attribute__((visibility("default")))
const char* zs_strerror(const int code)
{
const err_table_t *err = err_msgs;
while (err->text != NULL) {
if (err->code == code) {
return err->text;
}
err++;
}
return NULL;
}
__attribute__((visibility("default")))
const char* zs_errorname(const int code)
{
const err_table_t *err = err_msgs;
while (err->text != NULL) {
if (err->code == code) {
return err->code_name;
}
err++;
}
return NULL;
}
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