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comparison fuzz.h @ 1357:08f4fa4dc6a0 fuzz

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closer to working
author Matt Johnston <matt@ucc.asn.au>
date Sat, 20 May 2017 13:23:16 +0800
parents 3677a510f545
children 6b89eb92f872
comparison
equal deleted inserted replaced
1356:3677a510f545 1357:08f4fa4dc6a0
1 #ifndef DROPBEAR_FUZZ_H 1 #ifndef DROPBEAR_FUZZ_H
2 #define DROPBEAR_FUZZ_H 2 #define DROPBEAR_FUZZ_H
3 3
4 #include "config.h"
5 #ifdef DROPBEAR_FUZZ
6
4 #include "includes.h" 7 #include "includes.h"
5 #include "buffer.h" 8 #include "buffer.h"
6 9 #include "algo.h"
7 #ifdef DROPBEAR_FUZZ 10 #include "fuzz-wrapfd.h"
8 11
9 // once per process 12 // once per process
10 void svr_setup_fuzzer(void); 13 void svr_setup_fuzzer(void);
11 14
12 // once per input. returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE 15 // once per input. returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE
13 int fuzzer_set_input(const uint8_t *Data, size_t Size); 16 int fuzzer_set_input(const uint8_t *Data, size_t Size);
17
18 void fuzz_kex_fakealgos(void);
19
20 // fake IO wrappers
21 #ifndef FUZZ_SKIP_WRAP
22 #define select(nfds, readfds, writefds, exceptfds, timeout) \
23 wrapfd_select(nfds, readfds, writefds, exceptfds, timeout)
24 #define write(fd, buf, count) wrapfd_write(fd, buf, count)
25 #define read(fd, buf, count) wrapfd_read(fd, buf, count)
26 #endif // FUZZ_SKIP_WRAP
14 27
15 struct dropbear_fuzz_options { 28 struct dropbear_fuzz_options {
16 int fuzzing; 29 int fuzzing;
17 30
18 // to record an unencrypted stream 31 // to record an unencrypted stream
19 FILE* recordf; 32 FILE* recordf;
20 33
21 // fuzzing input 34 // fuzzing input
22 buffer *input; 35 buffer *input;
36 struct dropbear_cipher recv_cipher;
37 struct dropbear_hash recv_mac;
38 int wrapfds;
23 39
24 // dropbear_exit() jumps back 40 // dropbear_exit() jumps back
25 sigjmp_buf jmp; 41 sigjmp_buf jmp;
26 42
27 uid_t pw_uid; 43 uid_t pw_uid;
32 char* pw_passwd; 48 char* pw_passwd;
33 }; 49 };
34 50
35 extern struct dropbear_fuzz_options fuzz; 51 extern struct dropbear_fuzz_options fuzz;
36 52
37 #endif 53 #endif // DROPBEAR_FUZZ
38 54
39 #endif /* DROPBEAR_FUZZ_H */ 55 #endif /* DROPBEAR_FUZZ_H */