/*

 * Fuzztest for `ippReadIO`.

 *

 * Copyright © 2024 by OpenPrinting.

 *

 * Licensed under Apache License v2.0.  See the file "LICENSE" for more

 * information.

 */

#include <file.h>

#include <string-private.h>

#include <ipp-private.h>

#define kMinInputLength 2

#define kMaxInputLength 1024

void load_ipp(char *file);

extern int

LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)

{

    FILE  *fp;

    char  file_name[256];

    if (size < kMinInputLength || size > kMaxInputLength) {

      return 0;

    }

    sprintf(file_name, "/tmp/libfuzzer.%d", getpid());

    fp = fopen(file_name, "w");

    if (fp == NULL) {

        return 0;

    }

    fwrite(data, sizeof(char), size, fp);

    fclose(fp);

    load_ipp(file_name);

    unlink(file_name);

    return 0;

}

void load_ipp(char *file)

{

    ipp_t    *request;

    cups_file_t  *fp;

    fp = cupsFileOpen(file, "r");

    if (fp == NULL) {

        return;

    }

    request = ippNew();

    ippReadIO(fp, (ipp_iocb_t)cupsFileRead, 1, NULL, request);

    cupsFileClose(fp);

    ippDelete(request);

}