mirror of
https://github.com/optim-enterprises-bv/nDPId.git
synced 2025-10-29 17:32:23 +00:00
5423797267
* replaced dumb `dumb_fuzzer.sh` * fixed nDPId NULL pointer deref found by fuzzer * nDPI: `--enable-debug-build` and `--enable-debug-messages` for non release builds * nDPI: do not force `log.level` to `3` anymore, use config value instead Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
#define NO_MAIN 1
|
|
#include "../utils.c"
|
|
#include "../nio.c"
|
|
#include "../nDPId.c"
|
|
#ifdef ENABLE_PFRING
|
|
#include "../npfring.c"
|
|
#endif
|
|
|
|
int LLVMFuzzerTestOneInput(const uint8_t * data, size_t size)
|
|
{
|
|
if (reader_threads[0].workflow == NULL)
|
|
{
|
|
set_ndpi_malloc(ndpi_malloc_wrapper);
|
|
set_ndpi_free(ndpi_free_wrapper);
|
|
set_ndpi_flow_malloc(NULL);
|
|
set_ndpi_flow_free(NULL);
|
|
|
|
init_logging("fuzz_ndpi_process_packet");
|
|
log_app_info();
|
|
|
|
set_cmdarg_string(&nDPId_options.instance_alias, "fuzz_ndpi_process_packet");
|
|
set_cmdarg_ull(&nDPId_options.max_flows_per_thread, 1024);
|
|
set_cmdarg_ull(&nDPId_options.max_idle_flows_per_thread, 16);
|
|
set_cmdarg_ull(&nDPId_options.reader_thread_count, 1);
|
|
set_cmdarg_boolean(&nDPId_options.enable_data_analysis, 1);
|
|
set_cmdarg_ull(&nDPId_options.max_packets_per_flow_to_send, 5);
|
|
#ifdef ENABLE_ZLIB
|
|
set_cmdarg_boolean(&nDPId_options.enable_zlib_compression, 1);
|
|
#endif
|
|
#ifdef ENABLE_MEMORY_PROFILING
|
|
set_cmdarg_ull(&nDPId_options.memory_profiling_log_interval, TIME_S_TO_US(60u));
|
|
#endif
|
|
#ifdef ENABLE_PFRING
|
|
set_cmdarg_boolean(&nDPId_options.use_pfring, 0);
|
|
#endif
|
|
|
|
struct nDPId_workflow * const workflow = (struct nDPId_workflow *)ndpi_calloc(1, sizeof(*workflow));
|
|
if (workflow == NULL)
|
|
{
|
|
return 1;
|
|
}
|
|
workflow->max_idle_flows = GET_CMDARG_ULL(nDPId_options.max_idle_flows_per_thread);
|
|
workflow->max_active_flows = GET_CMDARG_ULL(nDPId_options.max_flows_per_thread);
|
|
workflow->ndpi_flows_idle = (void **)ndpi_calloc(workflow->max_idle_flows, sizeof(void *));
|
|
workflow->ndpi_flows_active = (void **)ndpi_calloc(workflow->max_active_flows, sizeof(void *));
|
|
reader_threads[0].collector_sockfd = -1;
|
|
reader_threads[0].workflow = workflow;
|
|
|
|
if (workflow->ndpi_flows_idle == NULL || workflow->ndpi_flows_active == NULL)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
global_context = ndpi_global_init();
|
|
if (global_context == NULL)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
workflow->ndpi_struct = ndpi_init_detection_module(global_context);
|
|
if (workflow->ndpi_struct == NULL)
|
|
{
|
|
return 1;
|
|
}
|
|
ndpi_set_user_data(workflow->ndpi_struct, workflow);
|
|
set_ndpi_debug_function(workflow->ndpi_struct, ndpi_debug_printf);
|
|
ndpi_finalize_initialization(workflow->ndpi_struct);
|
|
}
|
|
|
|
struct pcap_pkthdr pcap_hdr = {.caplen = size, .len = size};
|
|
gettimeofday(&pcap_hdr.ts, NULL); // not optimal; more difficult to reproduce via crash files
|
|
ndpi_process_packet((uint8_t *)&reader_threads[0], &pcap_hdr, data);
|
|
|
|
return 0;
|
|
}
|