Mercurial > dropbear
view fuzzer-pubkey.c @ 1562:768ebf737aa0 fuzz
merge from main
author | Matt Johnston <matt@ucc.asn.au> |
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date | Wed, 28 Feb 2018 22:11:39 +0800 |
parents | 92c93b4a3646 |
children | cdfab509c392 |
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#include "fuzz.h" #include "session.h" #include "fuzz-wrapfd.h" #include "debug.h" static void setup_fuzzer(void) { fuzz_common_setup(); } int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { static int once = 0; if (!once) { setup_fuzzer(); once = 1; } if (fuzz_set_input(Data, Size) == DROPBEAR_FAILURE) { return 0; } m_malloc_set_epoch(1); /* choose a keytype based on input */ uint8_t b = 0; size_t i; for (i = 0; i < Size; i++) { b ^= Data[i]; } const char* algoname = fuzz_signkey_names[b%DROPBEAR_SIGNKEY_NUM_NAMED]; const char* keyblob = "blob"; /* keep short */ if (setjmp(fuzz.jmp) == 0) { fuzz_checkpubkey_line(fuzz.input, 5, "/home/me/authorized_keys", algoname, strlen(algoname), (unsigned char*)keyblob, strlen(keyblob)); m_malloc_free_epoch(1, 0); } else { m_malloc_free_epoch(1, 1); TRACE(("dropbear_exit longjmped")) /* dropbear_exit jumped here */ } return 0; }