Coverage Report

Created: 2025-06-13 06:05

/src/ndpi/fuzz/fuzz_common_code.c
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Source (jump to first uncovered line)
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#include "fuzz_common_code.h"
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static int mem_alloc_state = 0;
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__attribute__((no_sanitize("integer")))
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static int fastrand ()
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0
{
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  if(!mem_alloc_state) return 1; /* No failures */
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  mem_alloc_state = (214013 * mem_alloc_state + 2531011);
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  return (mem_alloc_state >> 16) & 0x7FFF;
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}
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static void *malloc_wrapper(size_t size) {
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  return (fastrand () % 256) ? malloc (size) : NULL;
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}
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static void free_wrapper(void *freeable) {
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  free(freeable);
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}
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void fuzz_set_alloc_callbacks(void)
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{
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  set_ndpi_malloc(malloc_wrapper);
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  set_ndpi_free(free_wrapper);
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}
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void fuzz_set_alloc_seed(int seed)
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{
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  mem_alloc_state = seed;
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}
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void fuzz_set_alloc_callbacks_and_seed(int seed)
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{
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  fuzz_set_alloc_callbacks();
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  fuzz_set_alloc_seed(seed);
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}
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void fuzz_init_detection_module(struct ndpi_detection_module_struct **ndpi_info_mod,
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                                struct ndpi_global_context *g_ctx)
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{
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  if(*ndpi_info_mod == NULL) {
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    *ndpi_info_mod = ndpi_init_detection_module(g_ctx);
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    ndpi_set_config_u64(*ndpi_info_mod, NULL, "log.level", 3);
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    ndpi_set_config(*ndpi_info_mod, "all", "log", "enable");
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    ndpi_load_domain_suffixes(*ndpi_info_mod, "public_suffix_list.dat");
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    ndpi_load_categories_dir(*ndpi_info_mod, "./lists/");
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    ndpi_load_protocols_file(*ndpi_info_mod, "protos.txt");
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    ndpi_load_categories_file(*ndpi_info_mod, "categories.txt", NULL);
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    ndpi_load_risk_domain_file(*ndpi_info_mod, "risky_domains.txt");
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    ndpi_load_malicious_ja4_file(*ndpi_info_mod, "ja4_fingerprints.csv");
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    ndpi_load_malicious_sha1_file(*ndpi_info_mod, "sha1_fingerprints.csv");
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    ndpi_set_config(*ndpi_info_mod, NULL, "filename.config", "config.txt");
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    ndpi_finalize_initialization(*ndpi_info_mod);
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  }
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}
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FILE *buffer_to_file(const uint8_t *data, size_t size)
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{
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  return fmemopen((void *)data, size, "rw");
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}