Mercurial > dropbear
annotate fuzz.h @ 1652:d2753238f35f
Added signature for changeset ebcdb893992d
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Wed, 27 Mar 2019 22:15:23 +0800 |
parents | 35af85194268 |
children | dfbe947bdf0d |
rev | line source |
---|---|
1348 | 1 #ifndef DROPBEAR_FUZZ_H |
2 #define DROPBEAR_FUZZ_H | |
3 | |
1357 | 4 #include "config.h" |
1559
92c93b4a3646
Fix to be able to compile normal(ish) binaries with --enable-fuzz
Matt Johnston <matt@ucc.asn.au>
parents:
1558
diff
changeset
|
5 |
1558
2f64cb3d3007
- #if not #ifdef for DROPBEAR_FUZZ
Matt Johnston <matt@ucc.asn.au>
parents:
1456
diff
changeset
|
6 #if DROPBEAR_FUZZ |
1357 | 7 |
1348 | 8 #include "includes.h" |
9 #include "buffer.h" | |
1357 | 10 #include "algo.h" |
11 #include "fuzz-wrapfd.h" | |
1348 | 12 |
1356
3677a510f545
add wrapfd. improve fuzzer in makefile
Matt Johnston <matt@ucc.asn.au>
parents:
1348
diff
changeset
|
13 // once per process |
1456
a90fdd2d2ed8
add fuzzer-preauth_nomaths
Matt Johnston <matt@ucc.asn.au>
parents:
1385
diff
changeset
|
14 void fuzz_common_setup(void); |
a90fdd2d2ed8
add fuzzer-preauth_nomaths
Matt Johnston <matt@ucc.asn.au>
parents:
1385
diff
changeset
|
15 void fuzz_svr_setup(void); |
1348 | 16 |
1377
d4cc85e6c569
rearrange, all fuzzers now call fuzzer_set_input()
Matt Johnston <matt@ucc.asn.au>
parents:
1369
diff
changeset
|
17 // must be called once per fuzz iteration. |
d4cc85e6c569
rearrange, all fuzzers now call fuzzer_set_input()
Matt Johnston <matt@ucc.asn.au>
parents:
1369
diff
changeset
|
18 // returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE |
1456
a90fdd2d2ed8
add fuzzer-preauth_nomaths
Matt Johnston <matt@ucc.asn.au>
parents:
1385
diff
changeset
|
19 int fuzz_set_input(const uint8_t *Data, size_t Size); |
a90fdd2d2ed8
add fuzzer-preauth_nomaths
Matt Johnston <matt@ucc.asn.au>
parents:
1385
diff
changeset
|
20 |
a90fdd2d2ed8
add fuzzer-preauth_nomaths
Matt Johnston <matt@ucc.asn.au>
parents:
1385
diff
changeset
|
21 int fuzz_run_preauth(const uint8_t *Data, size_t Size, int skip_kexmaths); |
1589
35af85194268
Add kexdh and kexecdh fuzzers
Matt Johnston <matt@ucc.asn.au>
parents:
1561
diff
changeset
|
22 const void* fuzz_get_algo(const algo_type *algos, const char* name); |
1356
3677a510f545
add wrapfd. improve fuzzer in makefile
Matt Johnston <matt@ucc.asn.au>
parents:
1348
diff
changeset
|
23 |
1369 | 24 // fuzzer functions that intrude into general code |
1357 | 25 void fuzz_kex_fakealgos(void); |
1369 | 26 int fuzz_checkpubkey_line(buffer* line, int line_num, char* filename, |
27 const char* algo, unsigned int algolen, | |
28 const unsigned char* keyblob, unsigned int keybloblen); | |
29 extern const char * const * fuzz_signkey_names; | |
30 void fuzz_seed(void); | |
1383
f03cfe9c76ac
Disable setnonblocking(), get_socket_address(), set_sock_priority()
Matt Johnston <matt@ucc.asn.au>
parents:
1377
diff
changeset
|
31 void fuzz_get_socket_address(int fd, char **local_host, char **local_port, |
f03cfe9c76ac
Disable setnonblocking(), get_socket_address(), set_sock_priority()
Matt Johnston <matt@ucc.asn.au>
parents:
1377
diff
changeset
|
32 char **remote_host, char **remote_port, int host_lookup); |
1456
a90fdd2d2ed8
add fuzzer-preauth_nomaths
Matt Johnston <matt@ucc.asn.au>
parents:
1385
diff
changeset
|
33 void fuzz_fake_send_kexdh_reply(void); |
1357 | 34 |
35 // fake IO wrappers | |
36 #ifndef FUZZ_SKIP_WRAP | |
37 #define select(nfds, readfds, writefds, exceptfds, timeout) \ | |
38 wrapfd_select(nfds, readfds, writefds, exceptfds, timeout) | |
39 #define write(fd, buf, count) wrapfd_write(fd, buf, count) | |
40 #define read(fd, buf, count) wrapfd_read(fd, buf, count) | |
1358
6b89eb92f872
glaring wrapfd problems fixed
Matt Johnston <matt@ucc.asn.au>
parents:
1357
diff
changeset
|
41 #define close(fd) wrapfd_close(fd) |
1357 | 42 #endif // FUZZ_SKIP_WRAP |
43 | |
1348 | 44 struct dropbear_fuzz_options { |
45 int fuzzing; | |
46 | |
47 // fuzzing input | |
1356
3677a510f545
add wrapfd. improve fuzzer in makefile
Matt Johnston <matt@ucc.asn.au>
parents:
1348
diff
changeset
|
48 buffer *input; |
1357 | 49 struct dropbear_cipher recv_cipher; |
50 struct dropbear_hash recv_mac; | |
51 int wrapfds; | |
1348 | 52 |
1456
a90fdd2d2ed8
add fuzzer-preauth_nomaths
Matt Johnston <matt@ucc.asn.au>
parents:
1385
diff
changeset
|
53 // whether to skip slow bignum maths |
a90fdd2d2ed8
add fuzzer-preauth_nomaths
Matt Johnston <matt@ucc.asn.au>
parents:
1385
diff
changeset
|
54 int skip_kexmaths; |
a90fdd2d2ed8
add fuzzer-preauth_nomaths
Matt Johnston <matt@ucc.asn.au>
parents:
1385
diff
changeset
|
55 |
1348 | 56 // dropbear_exit() jumps back |
1385
6c92e97553f1
Add a flag whether to longjmp, missed that last commit
Matt Johnston <matt@ucc.asn.au>
parents:
1383
diff
changeset
|
57 int do_jmp; |
1348 | 58 sigjmp_buf jmp; |
59 | |
60 uid_t pw_uid; | |
61 gid_t pw_gid; | |
62 char* pw_name; | |
63 char* pw_dir; | |
64 char* pw_shell; | |
65 char* pw_passwd; | |
66 }; | |
67 | |
68 extern struct dropbear_fuzz_options fuzz; | |
69 | |
1357 | 70 #endif // DROPBEAR_FUZZ |
1348 | 71 |
72 #endif /* DROPBEAR_FUZZ_H */ |