mirror of
https://github.com/open62541/open62541.git
synced 2026-10-17 04:42:09 +08:00
Julius Pfrommer
79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* Copyright 2018 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
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*/
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#include <open62541/types.h>
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#include <open62541/types_generated_handling.h>
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#include "ua_types_encoding_json.h"
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/* Decode a message, then encode, decode, encode.
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* The two encodings must be bit-equal. */
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extern "C" int
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LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
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UA_ByteString buf;
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buf.data = (UA_Byte*)data;
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buf.length = size;
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UA_Variant value;
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UA_Variant_init(&value);
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UA_StatusCode retval = UA_decodeJson(&buf, &value, &UA_TYPES[UA_TYPES_VARIANT]);
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if(retval != UA_STATUSCODE_GOOD)
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return 0;
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size_t jsonSize = UA_calcSizeJson(&value, &UA_TYPES[UA_TYPES_VARIANT],
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NULL, 0, NULL, 0, true);
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UA_ByteString buf2 = UA_BYTESTRING_NULL;
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retval = UA_ByteString_allocBuffer(&buf2, jsonSize);
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if(retval != UA_STATUSCODE_GOOD) {
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UA_Variant_deleteMembers(&value);
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return 0;
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}
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uint8_t *bufPos = buf2.data;
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const uint8_t *bufEnd = &buf2.data[buf2.length];
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retval = UA_encodeJson(&value, &UA_TYPES[UA_TYPES_VARIANT],
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&bufPos, &bufEnd, NULL, 0, NULL, 0, true);
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UA_Variant_deleteMembers(&value);
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if(retval != UA_STATUSCODE_GOOD || bufPos != bufEnd) {
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return 0;
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}
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UA_Variant value2;
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UA_Variant_init(&value2);
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retval = UA_decodeJson(&buf2, &value2, &UA_TYPES[UA_TYPES_VARIANT]);
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if(retval != UA_STATUSCODE_GOOD) {
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return 0;
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}
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UA_ByteString buf3 = UA_BYTESTRING_NULL;
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retval = UA_ByteString_allocBuffer(&buf3, jsonSize);
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if(retval != UA_STATUSCODE_GOOD) {
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UA_Variant_deleteMembers(&value2);
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UA_ByteString_deleteMembers(&buf2);
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return 0;
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}
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bufPos = buf3.data;
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bufEnd = &buf3.data[buf3.length];
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retval = UA_encodeJson(&value2, &UA_TYPES[UA_TYPES_VARIANT],
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&bufPos, &bufEnd, NULL, 0, NULL, 0, true);
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UA_Variant_deleteMembers(&value2);
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if(retval != UA_STATUSCODE_GOOD) {
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UA_ByteString_deleteMembers(&buf2);
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UA_ByteString_deleteMembers(&buf3);
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return 0;
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}
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UA_assert(buf2.length == buf3.length);
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UA_assert(memcmp(buf2.data, buf3.data, buf2.length) == 0);
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UA_ByteString_deleteMembers(&buf2);
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UA_ByteString_deleteMembers(&buf3);
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return 0;
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}
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