Mercurial > dropbear

annotate fuzz-harness.c @ 1606:98d2b125eb89

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kexhashbuf was much to small in kex fuzzers
author Matt Johnston <matt@ucc.asn.au>
date Thu, 08 Mar 2018 23:23:19 +0800
parents bff41a61a1b6
children dfbe947bdf0d
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1 #include "includes.h"
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2 #include "buffer.h"
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3 #include "dbutil.h"
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4
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5 extern int LLVMFuzzerTestOneInput(const unsigned char *data, size_t size);
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6
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7 int main(int argc, char ** argv) {
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8 int i;
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9 buffer *input = buf_new(100000);
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10
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11 for (i = 1; i < argc; i++) {
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12 printf("arg %s\n", argv[i]);
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13 #if DEBUG_TRACE
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14 if (strcmp(argv[i], "-v") == 0) {
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15 debug_trace = 1;
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16 TRACE(("debug printing on"))
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17 }
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18 #endif
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19 }
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20
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21 int old_fuzz_wrapfds = 0;
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22 for (i = 1; i < argc; i++) {
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23 if (argv[i][0] == '-') {
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24 /* ignore arguments */
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25 continue;
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26 }
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27
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28 char* fn = argv[i];
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29 buf_setlen(input, 0);
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30 buf_readfile(input, fn);
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31 buf_setpos(input, 0);
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32
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33 fuzz.wrapfds = old_fuzz_wrapfds;
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34 printf("Running %s once \n", fn);
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35 LLVMFuzzerTestOneInput(input->data, input->len);
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36 printf("Running %s twice \n", fn);
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37 LLVMFuzzerTestOneInput(input->data, input->len);
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38 printf("Done %s\n", fn);
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40 /* Disable wrapfd so it won't interfere with buf_readfile() above */
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41 old_fuzz_wrapfds = fuzz.wrapfds;
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42 fuzz.wrapfds = 0;
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43 }
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44
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45 printf("Finished\n");
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46
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47 return 0;
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48 }