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Diffstat (limited to 'src/libzscanner/error.c')
| -rw-r--r-- | src/libzscanner/error.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/src/libzscanner/error.c b/src/libzscanner/error.c new file mode 100644 index 0000000..8e571f9 --- /dev/null +++ b/src/libzscanner/error.c @@ -0,0 +1,202 @@ +/* Copyright (C) 2022 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( 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; +} |