/* 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;

}