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#include "fuzz.h"
#include "session.h"
#include "fuzz-wrapfd.h"
#include "debug.h"
static void setup_fuzzer(void) {
fuzz_common_setup();
}
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
static int once = 0;
if (!once) {
setup_fuzzer();
once = 1;
}
if (fuzz_set_input(Data, Size) == DROPBEAR_FAILURE) {
return 0;
}
m_malloc_set_epoch(1);
if (setjmp(fuzz.jmp) == 0) {
buffer *line = buf_getstringbuf(fuzz.input);
buffer *keyblob = buf_getstringbuf(fuzz.input);
unsigned int algolen;
char* algoname = buf_getstring(keyblob, &algolen);
if (signature_type_from_name(algoname, algolen) == DROPBEAR_SIGNKEY_NONE) {
dropbear_exit("fuzzer imagined a bogus algorithm");
}
int ret = fuzz_checkpubkey_line(line, 5, "/home/me/authorized_keys",
algoname, algolen,
keyblob->data, keyblob->len);
if (ret == DROPBEAR_SUCCESS) {
/* fuzz_checkpubkey_line() should have cleaned up for failure */
svr_pubkey_options_cleanup();
}
buf_free(line);
buf_free(keyblob);
m_free(algoname);
m_malloc_free_epoch(1, 0);
} else {
m_malloc_free_epoch(1, 1);
TRACE(("dropbear_exit longjmped"))
/* dropbear_exit jumped here */
}
return 0;
}
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