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#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 fuzz_common_setup(void);
void fuzz_svr_setup(void);
// must be called once per fuzz iteration.
// returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE
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);
int fuzz_checkpubkey_line(buffer* line, int line_num, char* filename,
const char* algo, unsigned int algolen,
const unsigned char* keyblob, unsigned int keybloblen);
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
#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;
// whether to skip slow bignum maths
int skip_kexmaths;
// dropbear_exit() jumps back
int do_jmp;
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 */
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