blob: 0b7c0f370c3cdce2b09bd9ac337ce392c76d201a (
plain)
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
|
#include "fuzz.h"
#include "session.h"
#include "fuzz-wrapfd.h"
#include "debug.h"
static void setup_fuzzer(void) {
common_setup_fuzzer();
}
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
static int once = 0;
if (!once) {
setup_fuzzer();
once = 1;
}
if (fuzzer_set_input(Data, Size) == DROPBEAR_FAILURE) {
return 0;
}
m_malloc_set_epoch(1);
// choose a keytype based on input
uint8_t b = 0;
size_t i;
for (i = 0; i < Size; i++) {
b ^= Data[i];
}
const char* algoname = fuzz_signkey_names[b%DROPBEAR_SIGNKEY_NUM_NAMED];
const char* keyblob = "blob"; // keep short
if (setjmp(fuzz.jmp) == 0) {
fuzz_checkpubkey_line(fuzz.input, 5, "/home/me/authorized_keys",
algoname, strlen(algoname),
(unsigned char*)keyblob, strlen(keyblob));
m_malloc_free_epoch(1, 0);
} else {
m_malloc_free_epoch(1, 1);
TRACE(("dropbear_exit longjmped"))
// dropbear_exit jumped here
}
return 0;
}
|
