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add fuzzer-preauth_nomaths

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--HG--
branch : fuzz
This commit is contained in:
Matt Johnston
2018-01-23 23:05:47 +08:00
parent 597f7eb5e9
commit 89bdf3b0b9
11 changed files with 95 additions and 64 deletions
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12
fuzz.h
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@@ -10,12 +10,14 @@
#include "fuzz-wrapfd.h"
// once per process
void common_setup_fuzzer(void);
void svr_setup_fuzzer(void);
void fuzz_common_setup(void);
void fuzz_svr_setup(void);
// must be called once per fuzz iteration.
// returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE
int fuzzer_set_input(const uint8_t *Data, size_t Size);
int fuzz_set_input(const uint8_t *Data, size_t Size);
int fuzz_run_preauth(const uint8_t *Data, size_t Size, int skip_kexmaths);
// fuzzer functions that intrude into general code
void fuzz_kex_fakealgos(void);
@@ -26,6 +28,7 @@ extern const char * const * fuzz_signkey_names;
void fuzz_seed(void);
void fuzz_get_socket_address(int fd, char **local_host, char **local_port,
char **remote_host, char **remote_port, int host_lookup);
void fuzz_fake_send_kexdh_reply(void);
// fake IO wrappers
#ifndef FUZZ_SKIP_WRAP
@@ -48,6 +51,9 @@ struct dropbear_fuzz_options {
struct dropbear_hash recv_mac;
int wrapfds;
// whether to skip slow bignum maths
int skip_kexmaths;
// dropbear_exit() jumps back
int do_jmp;
sigjmp_buf jmp;