fuzz_confyamlloadstring.c

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/**
 * @file
 * @author Philippe Antoine <contact@catenacyber.fr>
 * fuzz target for SCConfYamlLoadString
 */
 
#include "suricata-common.h"
#include "suricata.h"
#include "conf-yaml-loader.h"
#include "nallocinc.c"
 
SC_ATOMIC_EXTERN(unsigned int, engine_stage);
 
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
 
static int initialized = 0;
 
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
    if (initialized == 0) {
        //Redirects logs to /dev/null
        setenv("SC_LOG_OP_IFACE", "file", 0);
        setenv("SC_LOG_FILE", "/dev/null", 0);
        //global init
        InitGlobal();
        SCRunmodeSet(RUNMODE_UNITTEST);
        SC_ATOMIC_SET(engine_stage, SURICATA_RUNTIME);
        nalloc_init(NULL);
        // do not restrict nalloc
        initialized = 1;
    }
 
    nalloc_start(data, size);
    SCConfYamlLoadString((const char *)data, size);
    nalloc_end();
 
    return 0;
}