Coverage Report

Created: 2022-11-21 06:30

/src/krb5/fuzzing/Fuzz_chpw.c
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/* Copyright 2022 Google LLC
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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      http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include "k5-int.h"
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#include "krb5.h"
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#define kMinInputLength 20
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#define kMaxInputLength 100
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extern int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) 
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{//src/tests/misc/test_chpw_message.c
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    if (Size < kMinInputLength || Size > kMaxInputLength){
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        return 0;
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    }
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//Add Null byte
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    uint8_t *DataFx;
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    size_t SizeFx = Size+1;
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    DataFx = (uint8_t *)calloc(SizeFx,sizeof(uint8_t));
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    memcpy((void *)DataFx,(void *)Data,Size);
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    char *msg;
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    krb5_data DataInput;
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    krb5_context context;
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    krb5_init_context(&context);
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    DataInput = make_data((void *)DataFx, SizeFx);
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    krb5_chpw_message(context, &DataInput, &msg);
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    free(msg);
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    krb5_free_context(context);
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    free(DataFx);
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    return 0;
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}