Mercurial > dropbear

annotate fuzzer-preauth.c @ 1376:9e9c8d37fd56 fuzz

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limit input size
author Matt Johnston <matt@ucc.asn.au>
date Thu, 25 May 2017 22:21:23 +0800
parents 17104db7928c
children d4cc85e6c569
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include "fuzz.h"
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2 #include "session.h"
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3 #include "fuzz-wrapfd.h"
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4 #include "debug.h"
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5
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6 static void setup_fuzzer(void) {
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7 svr_setup_fuzzer();
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8 //debug_trace = 1;
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9 }
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10
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11 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
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12 static int once = 0;
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13 if (!once) {
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14 setup_fuzzer();
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15 once = 1;
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16 }
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17
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18 if (fuzzer_set_input(Data, Size) == DROPBEAR_FAILURE) {
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19 return 0;
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20 }
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21
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22 int fakesock = 1;
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23 wrapfd_add(fakesock, fuzz.input, PLAIN);
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24
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25 m_malloc_set_epoch(1);
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26 if (setjmp(fuzz.jmp) == 0) {
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27 svr_session(fakesock, fakesock);
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28 } else {
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29 m_malloc_free_epoch(1);
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30 TRACE(("dropbear_exit longjmped"))
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31 // dropbear_exit jumped here
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32 }
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33
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34 return 0;
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35 }