From 0712d496fe63fd16f8e943a438c57f75d8cae880 Mon Sep 17 00:00:00 2001 From: Nardi Ivan Date: Wed, 10 Jan 2024 11:46:57 +0100 Subject: config: allow configuration of guessing algorithms --- fuzz/fuzz_config.cpp | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'fuzz/fuzz_config.cpp') diff --git a/fuzz/fuzz_config.cpp b/fuzz/fuzz_config.cpp index 93bff3313..5c79ede4c 100644 --- a/fuzz/fuzz_config.cpp +++ b/fuzz/fuzz_config.cpp @@ -194,6 +194,11 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { sprintf(cfg_value, "%d", value); ndpi_set_config(ndpi_info_mod, NULL, "libgcrypt.init", cfg_value); } + if(fuzzed_data.ConsumeBool()) { + value = fuzzed_data.ConsumeIntegralInRange(0, 0x03 + 1); + sprintf(cfg_value, "%d", value); + ndpi_set_config(ndpi_info_mod, NULL, "guess_on_giveup", cfg_value); + } if(fuzzed_data.ConsumeBool()) { value = fuzzed_data.ConsumeIntegralInRange(0, 1 + 1); sprintf(cfg_value, "%d", value); @@ -214,7 +219,11 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { sprintf(cfg_value, "%d", value); ndpi_set_config(ndpi_info_mod, NULL, "flow_risk.crawler_bot.list.load", cfg_value); } - + if(fuzzed_data.ConsumeBool()) { + value = fuzzed_data.ConsumeIntegralInRange(0, 3 + 1); + sprintf(cfg_value, "%d", value); + ndpi_set_config(ndpi_info_mod, NULL, "log.level", cfg_value); + } if(fuzzed_data.ConsumeBool()) { value = fuzzed_data.ConsumeIntegralInRange(0, 16777215 / 2); /* max / 2 instead of max + 1 to avoid oom on oss-fuzzer */ sprintf(cfg_value, "%d", value); @@ -344,7 +353,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { std::vectorpkt = fuzzed_data.ConsumeRemainingBytes(); ndpi_detection_process_packet(ndpi_info_mod, &flow, pkt.data(), pkt.size(), 0, &input_info); - p = ndpi_detection_giveup(ndpi_info_mod, &flow, 1, &protocol_was_guessed); + p = ndpi_detection_giveup(ndpi_info_mod, &flow, &protocol_was_guessed); assert(p.master_protocol == ndpi_get_flow_masterprotocol(ndpi_info_mod, &flow)); assert(p.app_protocol == ndpi_get_flow_appprotocol(ndpi_info_mod, &flow)); -- cgit v1.2.3