annotate fuzz.h @ 1357:08f4fa4dc6a0 fuzz

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author Matt Johnston <matt@ucc.asn.au>
date Sat, 20 May 2017 13:23:16 +0800
parents 3677a510f545
children 6b89eb92f872
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1 #ifndef DROPBEAR_FUZZ_H
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2 #define DROPBEAR_FUZZ_H
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3
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4 #include "config.h"
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5 #ifdef DROPBEAR_FUZZ
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6
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7 #include "includes.h"
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8 #include "buffer.h"
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9 #include "algo.h"
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10 #include "fuzz-wrapfd.h"
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11
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12 // once per process
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13 void svr_setup_fuzzer(void);
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15 // once per input. returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE
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16 int fuzzer_set_input(const uint8_t *Data, size_t Size);
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17
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18 void fuzz_kex_fakealgos(void);
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19
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20 // fake IO wrappers
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21 #ifndef FUZZ_SKIP_WRAP
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22 #define select(nfds, readfds, writefds, exceptfds, timeout) \
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23 wrapfd_select(nfds, readfds, writefds, exceptfds, timeout)
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24 #define write(fd, buf, count) wrapfd_write(fd, buf, count)
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25 #define read(fd, buf, count) wrapfd_read(fd, buf, count)
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26 #endif // FUZZ_SKIP_WRAP
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27
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28 struct dropbear_fuzz_options {
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29 int fuzzing;
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30
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31 // to record an unencrypted stream
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32 FILE* recordf;
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33
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34 // fuzzing input
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35 buffer *input;
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36 struct dropbear_cipher recv_cipher;
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37 struct dropbear_hash recv_mac;
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38 int wrapfds;
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39
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40 // dropbear_exit() jumps back
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41 sigjmp_buf jmp;
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42
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43 uid_t pw_uid;
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44 gid_t pw_gid;
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45 char* pw_name;
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46 char* pw_dir;
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47 char* pw_shell;
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48 char* pw_passwd;
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49 };
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50
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51 extern struct dropbear_fuzz_options fuzz;
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52
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53 #endif // DROPBEAR_FUZZ
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55 #endif /* DROPBEAR_FUZZ_H */