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// This simple example just creates random buffer <= 100 filled with 'A'
// needs -I /path/to/AFLplusplus/include
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "radamsa.h"
#include "afl-fuzz.h"
typedef struct my_mutator {
afl_state_t *afl;
u8 *mutator_buf;
unsigned int seed;
} my_mutator_t;
my_mutator_t *afl_custom_init(afl_state_t *afl, unsigned int seed) {
srand(seed);
my_mutator_t *data = calloc(1, sizeof(my_mutator_t));
if (!data) {
perror("afl_custom_init alloc");
return NULL;
}
if ((data->mutator_buf = malloc(MAX_FILE)) == NULL) {
free(data);
perror("mutator_buf alloc");
return NULL;
}
data->afl = afl;
data->seed = seed;
radamsa_init();
return data;
}
size_t afl_custom_fuzz(my_mutator_t *data, uint8_t *buf, size_t buf_size,
u8 **out_buf, uint8_t *add_buf, size_t add_buf_size,
size_t max_size) {
*out_buf = data->mutator_buf;
return radamsa(buf, buf_size, data->mutator_buf, max_size, data->seed++);
}
/**
* Deinitialize everything
*
* @param data The data ptr from afl_custom_init
*/
void afl_custom_deinit(my_mutator_t *data) {
free(data->mutator_buf);
free(data);
}
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