Mercurial > dropbear
annotate fuzz.h @ 1586:e6a5e51a29c9
- fuzzer-pubkey needs to free algoname, fix build
- improve dictionary with lengths
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Sun, 04 Mar 2018 21:44:09 +0800 |
| parents | 02b226c2675e |
| children | 35af85194268 |
| 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); |
|
1356
3677a510f545
add wrapfd. improve fuzzer in makefile
Matt Johnston <matt@ucc.asn.au>
parents:
1348
diff
changeset
|
22 |
| 1369 | 23 // fuzzer functions that intrude into general code |
| 1357 | 24 void fuzz_kex_fakealgos(void); |
| 1369 | 25 int fuzz_checkpubkey_line(buffer* line, int line_num, char* filename, |
| 26 const char* algo, unsigned int algolen, | |
| 27 const unsigned char* keyblob, unsigned int keybloblen); | |
| 28 extern const char * const * fuzz_signkey_names; | |
| 29 void fuzz_seed(void); | |
|
1383
f03cfe9c76ac
Disable setnonblocking(), get_socket_address(), set_sock_priority()
Matt Johnston <matt@ucc.asn.au>
parents:
1377
diff
changeset
|
30 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
|
31 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
|
32 void fuzz_fake_send_kexdh_reply(void); |
| 1357 | 33 |
| 34 // fake IO wrappers | |
| 35 #ifndef FUZZ_SKIP_WRAP | |
| 36 #define select(nfds, readfds, writefds, exceptfds, timeout) \ | |
| 37 wrapfd_select(nfds, readfds, writefds, exceptfds, timeout) | |
| 38 #define write(fd, buf, count) wrapfd_write(fd, buf, count) | |
| 39 #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
|
40 #define close(fd) wrapfd_close(fd) |
| 1357 | 41 #endif // FUZZ_SKIP_WRAP |
| 42 | |
| 1348 | 43 struct dropbear_fuzz_options { |
| 44 int fuzzing; | |
| 45 | |
| 46 // fuzzing input | |
|
1356
3677a510f545
add wrapfd. improve fuzzer in makefile
Matt Johnston <matt@ucc.asn.au>
parents:
1348
diff
changeset
|
47 buffer *input; |
| 1357 | 48 struct dropbear_cipher recv_cipher; |
| 49 struct dropbear_hash recv_mac; | |
| 50 int wrapfds; | |
| 1348 | 51 |
|
1456
a90fdd2d2ed8
add fuzzer-preauth_nomaths
Matt Johnston <matt@ucc.asn.au>
parents:
1385
diff
changeset
|
52 // whether to skip slow bignum maths |
|
a90fdd2d2ed8
add fuzzer-preauth_nomaths
Matt Johnston <matt@ucc.asn.au>
parents:
1385
diff
changeset
|
53 int skip_kexmaths; |
|
a90fdd2d2ed8
add fuzzer-preauth_nomaths
Matt Johnston <matt@ucc.asn.au>
parents:
1385
diff
changeset
|
54 |
| 1348 | 55 // 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
|
56 int do_jmp; |
| 1348 | 57 sigjmp_buf jmp; |
| 58 | |
| 59 uid_t pw_uid; | |
| 60 gid_t pw_gid; | |
| 61 char* pw_name; | |
| 62 char* pw_dir; | |
| 63 char* pw_shell; | |
| 64 char* pw_passwd; | |
| 65 }; | |
| 66 | |
| 67 extern struct dropbear_fuzz_options fuzz; | |
| 68 | |
| 1357 | 69 #endif // DROPBEAR_FUZZ |
| 1348 | 70 |
| 71 #endif /* DROPBEAR_FUZZ_H */ |