1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
#ifndef DROPBEAR_FUZZ_H
#define DROPBEAR_FUZZ_H
#include "config.h"
#ifdef DROPBEAR_FUZZ
#include "includes.h"
#include "buffer.h"
#include "algo.h"
#include "fuzz-wrapfd.h"
// once per process
void svr_setup_fuzzer(void);
// once per input. returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE
int fuzzer_set_input(const uint8_t *Data, size_t Size);
void fuzz_kex_fakealgos(void);
// fake IO wrappers
#ifndef FUZZ_SKIP_WRAP
#define select(nfds, readfds, writefds, exceptfds, timeout) \
wrapfd_select(nfds, readfds, writefds, exceptfds, timeout)
#define write(fd, buf, count) wrapfd_write(fd, buf, count)
#define read(fd, buf, count) wrapfd_read(fd, buf, count)
#define close(fd) wrapfd_close(fd)
#endif // FUZZ_SKIP_WRAP
struct dropbear_fuzz_options {
int fuzzing;
// to record an unencrypted stream
FILE* recordf;
// fuzzing input
buffer *input;
struct dropbear_cipher recv_cipher;
struct dropbear_hash recv_mac;
int wrapfds;
// dropbear_exit() jumps back
sigjmp_buf jmp;
uid_t pw_uid;
gid_t pw_gid;
char* pw_name;
char* pw_dir;
char* pw_shell;
char* pw_passwd;
};
extern struct dropbear_fuzz_options fuzz;
#endif // DROPBEAR_FUZZ
#endif /* DROPBEAR_FUZZ_H */
|
