Files
open62541/tests/fuzz/fuzz_parse_string.cc
DavidKorczynski cee6eb84d0 feat(test): Better coverage of UA_DataValue in the fuzzing harnesses (#7957)
To accommodate for fuzzing code currently uncovered, e.g. copy
operations.

Signed-off-by: David Korczynski <david@adalogics.com>
2026-03-31 09:57:08 +02:00

94 lines
2.4 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <cstdint>
#include <cstddef>
#include <cstring>
#include <open62541/config.h>
#include <open62541/types.h>
#include <open62541/util.h>
extern "C" int
LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
if(size <= 1)
return 0;
/* Use the first byte as a selector to choose which parsing function to fuzz */
uint8_t selector = data[0];
const uint8_t *payload = data + 1;
size_t payload_size = size - 1;
UA_String str;
UA_StatusCode retval = UA_ByteString_allocBuffer(&str, payload_size);
if(retval != UA_STATUSCODE_GOOD)
return 0;
memcpy(str.data, payload, payload_size);
switch(selector % 8) {
case 0: {
UA_NodeId id;
UA_NodeId_init(&id);
UA_NodeId_parse(&id, str);
UA_NodeId_clear(&id);
break;
}
case 1: {
UA_DateTime dt;
UA_DateTime_parse(&dt, str);
break;
}
case 2: {
UA_Guid guid;
UA_Guid_init(&guid);
UA_Guid_parse(&guid, str);
break;
}
case 3: {
UA_ExpandedNodeId enid;
UA_ExpandedNodeId_init(&enid);
UA_ExpandedNodeId_parse(&enid, str);
UA_ExpandedNodeId_clear(&enid);
break;
}
case 4: {
UA_QualifiedName qn;
UA_QualifiedName_init(&qn);
UA_QualifiedName_parse(&qn, str);
UA_QualifiedName_clear(&qn);
break;
}
case 5: {
UA_RelativePath rp;
UA_RelativePath_init(&rp);
UA_StatusCode ret = UA_RelativePath_parse(&rp, str);
if(ret == UA_STATUSCODE_GOOD) {
UA_String printed = UA_STRING_NULL;
UA_RelativePath_print(&rp, &printed);
UA_String_clear(&printed);
}
UA_RelativePath_clear(&rp);
break;
}
case 6: {
UA_SimpleAttributeOperand sao;
UA_SimpleAttributeOperand_init(&sao);
UA_SimpleAttributeOperand_parse(&sao, str);
UA_SimpleAttributeOperand_clear(&sao);
break;
}
case 7: {
UA_ReadValueId rvi;
UA_ReadValueId_init(&rvi);
UA_ReadValueId_parse(&rvi, str);
UA_ReadValueId_clear(&rvi);
break;
}
default: break;
}
UA_String_clear(&str);
return 0;
}