Attachment 8658967 Details for Bug 1202868

asn1_fuzz_harness.c

asn1_fuzz_harness.c (text/plain), 1.94 KB, created by Tyson Smith [:tsmith]

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Creator: Tyson Smith [:tsmith]

Size: 1.94 KB

patch

obsolete

>/* 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 <signal.h>
>#include <stdio.h>
>
>#include "secutil.h"
>#include "nss.h"
>#include "certt.h"
>#include "keyhi.h"
>#include "pk11pub.h"
>
>
>#define MAX_TEST_SIZE 0xA00000 // 10 MBs should be TONS!
>#define PERSIST_MAX   10000
>
>unsigned int persist_cnt = 0;
>
>const SEC_ASN1Template OCTET_STRING_Template[] = {
>    { SEC_ASN1_OCTET_STRING, 0 },
>    { 0 }
>};
>
>int main(int argc, char** argv)
>{
>  FILE *fp;
>  PLArenaPool* temparena = NULL;
>  SECItem data = { siBuffer, NULL, 0 };
>  SECItem output;
>  unsigned int length = 0;
>  unsigned char *bytes = NULL;
>
>  if (argc < 2) {
>    printf("Missing test case name!\n");
>    return 1;
>  }
>
>try_again:
>  temparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
>  if (!temparena) {
>    printf("PORT_NewArena failed!\n");
>    return 1;
>  }
>
>  fp = fopen(argv[1], "rb");
>  if (fp == NULL) {
>    printf("fopen failed!\n");
>    return 1;
>  }
>
>  fseek(fp, 0, SEEK_END);
>  length = ftell(fp);
>  if (length > MAX_TEST_SIZE) {
>    fclose(fp);
>    printf("test case too large!\n");
>    return 1;
>  }
>
>  bytes = (unsigned char *)malloc(length);
>  if (bytes == NULL) {
>    fclose(fp);
>    printf("failed to malloc bytes\n");
>    return 1;
>  }
>
>  fseek(fp , 0, SEEK_SET);
>  fread(bytes, 1, length, fp);
>  fclose(fp);
>
>  memset(&output, 0, sizeof(SECItem));
>  data.type = siBuffer;
>  data.data = bytes;
>  data.len = length;
>
>  if (SEC_ASN1DecodeItem(temparena, &output, OCTET_STRING_Template, &data) != SECSuccess) {
>    printf("SEC_ASN1DecodeItem failed!\n");
>  }
>
>  if (bytes != NULL) {
>    free(bytes);
>    bytes = NULL;
>  }
>
>  if (temparena != NULL) {
>    PORT_FreeArena(temparena, PR_FALSE);
>    temparena = NULL;
>  }
>
>  if (getenv("AFL_PERSISTENT") && persist_cnt++ < PERSIST_MAX) {
>    raise(SIGSTOP);
>    goto try_again;
>  }
>
>  printf("Done\n");
>  return 0;
>}

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Attachments on bug 1202868: 8658396 | 8658421 | 8658805 | 8658967 | 8659375 | 8659376 | 8659378 | 8662125 | 8674441