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-rw-r--r--src/libzscanner/error.c188
1 files changed, 188 insertions, 0 deletions
diff --git a/src/libzscanner/error.c b/src/libzscanner/error.c
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index 0000000..da487fb
--- /dev/null
+++ b/src/libzscanner/error.c
@@ -0,0 +1,188 @@
+/* Copyright (C) 2018 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 <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( 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;
+}