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#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;
}
m_malloc_set_epoch(1);
fuzz_seed();
fuzz.input->data = (unsigned char*)Data;
fuzz.input->len = Size;
fuzz.input->size = Size;
fuzz.input->pos = 0;
if (Size < 4) {
return 0;
}
// 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 = "fakekeyblob";
if (setjmp(fuzz.jmp) == 0) {
fuzz_checkpubkey_line(fuzz.input, 5, "/home/me/authorized_keys",
algoname, strlen(algoname),
keyblob, strlen(keyblob));
} else {
m_malloc_free_epoch(1);
TRACE(("dropbear_exit longjmped"))
// dropbear_exit jumped here
}
return 0;
}
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