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* Fixed OpenWRT arm related build issues. (#2104)Toni2023-10-16
| | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Fixed two OpenWRT arm related build issues. (#2103)Toni2023-10-16
| | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* fuzz: extend fuzzing coverageNardi Ivan2023-10-15
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* fuzzing: extend fuzzing coverageNardi Ivan2023-10-09
| | | | | Try fuzzing some functions which write to file/file descriptor; to avoid slowing the fuzzer, close its stdout
* fuzz: extend fuzzing coverageNardi Ivan2023-10-07
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* version of dirent.c that is liked by both VC++ and MinGWLuca Deri2023-10-05
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* Windows code reworkLuca Deri2023-10-05
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* Windows compilation fixesLuca Deri2023-10-05
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* Added printf/fprintf replacement for some internal modules. (#1974)Toni2023-09-26
| | | | | | * logging is instead redirected to `ndpi_debug_printf` Signed-off-by: lns <matzeton@googlemail.com> Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* fuzz: extend fuzzing coverageNardi Ivan2023-09-16
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* Fix some errors found by fuzzers (#2078)Ivan Nardi2023-09-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix compilation on Windows. "dirent.h" file has been taken from https://github.com/tronkko/dirent/ Fix Python bindings Fix some warnings with x86_64-w64-mingw32-gcc: ``` protocols/dns.c: In function ‘ndpi_search_dns’: protocols/dns.c:775:41: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] 775 | unsigned long first_element_len = (unsigned long)dot - (unsigned long)_hostname; | ^ protocols/dns.c:775:62: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] 775 | unsigned long first_element_len = (unsigned long)dot - (unsigned long)_hostname; | ``` ``` In file included from ndpi_bitmap64.c:31: third_party/include/binaryfusefilter.h: In function ‘binary_fuse8_hash’: third_party/include/binaryfusefilter.h:160:32: error: left shift count >= width of type [-Werror=shift-count-overflow] 160 | uint64_t hh = hash & ((1UL << 36) - 1); ``` ``` In function ‘ndpi_match_custom_category’, inlined from ‘ndpi_fill_protocol_category.part.0’ at ndpi_main.c:7056:16: ndpi_main.c:3419:3: error: ‘strncpy’ specified bound depends on the length of the source argument [-Werror=stringop-overflow=] 3419 | strncpy(buf, name, name_len); ```
* Win fixLuca Deri2023-09-08
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* Compilation fixes for old compilersLuca Deri2023-09-05
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* Added ndpi_bitmap64 supportLuca Deri2023-09-05
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* fuzz: extend coverage (#2073)Ivan Nardi2023-08-20
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* Fix compilation on Windows (#2072)Ivan Nardi2023-08-14
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* Reworked ndpi_filter_xxx implementation using compressed bitmapsLuca Deri2023-08-14
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* TypoLuca Deri2023-08-12
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* ARM compilation fixLuca Deri2023-08-12
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* Minor initialization fixesLuca Deri2023-08-11
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* Added new API calls for implementing Bloom-filter like data structuresLuca Deri2023-08-11
| | | | | | | ndpi_filter* ndpi_filter_alloc(uint32_t elements_number); bool ndpi_filter_add(ndpi_filter *f, uint64_t value); bool ndpi_filter_contains(ndpi_filter *f, uint64_t value); void ndpi_filter_free(ndpi_filter *f);
* fuzz: extend fuzzing coverage (#2040)Ivan Nardi2023-07-11
| | | | | | | | | Some notes: * libinjection: according to https://github.com/libinjection/libinjection/issues/44, it seems NULL characters are valid in the input string; * RTP: `rtp_get_stream_type()` is called only for RTP packets; if you want to tell RTP from RTCP you should use `is_rtp_or_rtcp()`; * TLS: unnecessary check; we already make the same check just above, at the beginning of the `while` loop
* Set _DEFAULT_SOURCE and _GNU_SOURCE globally. (#2010)Toni2023-06-12
| | | Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Fix some memory errors triggered by allocation failures (#1995)Ivan Nardi2023-05-29
| | | | | | | | | | | | Some low hanging fruits found using nallocfuzz. See: https://github.com/catenacyber/nallocfuzz See: https://github.com/google/oss-fuzz/pull/9902 Most of these errors are quite trivial to fix; the only exception is the stuff in the uthash. If the insertion fails (because of an allocation failure), we need to avoid some memory leaks. But the only way to check if the `HASH_ADD_*` failed, is to perform a new lookup: a bit costly, but we don't use that code in any critical data-path.
* Fixed invalid use of ndpi_free(). Sorry, my fault. (#1988)Toni2023-05-24
| | | | | | | | | | | | | | | * Fixed invalid use of ndpi_free(). Sorry, my fault. Signed-off-by: Toni Uhlig <matzeton@googlemail.com> * Fine tuned symbol check script. * added check for expected syms in modules Signed-off-by: Toni Uhlig <matzeton@googlemail.com> --------- Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Improved missing usage of nDPIs malloc wrapper. Fixes #1978. (#1979)Toni2023-05-20
| | | | | * added CI check Signed-off-by: lns <matzeton@googlemail.com>
* Improved debug output. (#1951)Toni2023-04-21
| | | | | | * try to get rid of some `printf(..)`s as they do not belong to a shared library * replaced all `exit(..)`s with `abort()`s to indicate an abnormal process termination Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* fuzz: add fuzzer to test internal gcrypt code (#1920)Ivan Nardi2023-04-04
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* Update libinjection code (#1918)Ivan Nardi2023-04-04
| | | | | | | | | | Update libinjection code to the current master https://github.com/libinjection/libinjection/commit/7e4b74e824dc3f0623ba4894df2a0d817351ec39 The goal is to finally fix #1820 See: https://github.com/libinjection/libinjection/issues/33 Update the corpus of the libinjection fuzzers Close #1820
* Centos7 fixesLuca Deri2023-02-13
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* Update roaring bitmap codeLuca Deri2023-02-12
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* fuzz: some improvements and add two new fuzzers (#1881)Ivan Nardi2023-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove `FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION` define from `fuzz/Makefile.am`; it is already included by the main configure script (when fuzzing). Add a knob to force disabling of AESNI optimizations: this way we can fuzz also no-aesni crypto code. Move CRC32 algorithm into the library. Add some fake traces to extend fuzzing coverage. Note that these traces are hand-made (via scapy/curl) and must not be used as "proof" that the dissectors are really able to identify this kind of traffic. Some small updates to some dissectors: CSGO: remove a wrong rule (never triggered, BTW). Any UDP packet starting with "VS01" will be classified as STEAM (see steam.c around line 111). Googling it, it seems right so. XBOX: XBOX only analyses UDP flows while HTTP only TCP ones; therefore that condition is false. RTP, STUN: removed useless "break"s Zattoo: `flow->zattoo_stage` is never set to any values greater or equal to 5, so these checks are never true. PPStream: `flow->l4.udp.ppstream_stage` is never read. Delete it. TeamSpeak: we check for `flow->packet_counter == 3` just above, so the following check `flow->packet_counter >= 3` is always false.
* Add some fuzzers to test other data structures. (#1870)Ivan Nardi2023-01-25
| | | | | | | Start using a dictionary for fuzzing (see: https://llvm.org/docs/LibFuzzer.html#dictionaries). Remove some dead code. Fuzzing with debug enabled is not usually a great idea (from performance POV). Keep the code since it might be useful while debugging.
* Some small changes (#1869)Ivan Nardi2023-01-25
| | | | | | | | All dissector callbacks should not be exported by the library; make static some other local functions. The callback logic in `ndpiReader` has never been used. With internal libgcrypt, `gcry_control()` should always return no errors. We can check `categories` length at compilation time.
* fuzz: fix memory allocation failure logic (#1867)Ivan Nardi2023-01-20
| | | | | We *do* want to have some allocation errors. Fix some related bugs Fix: 29be01ef
* Add some fuzzers to test algorithms and data structures (#1852)Ivan Nardi2023-01-17
| | | Fix some issues found with these new fuzzers
* Fix some warnings and two errors found while fuzzing (#1844)Ivan Nardi2023-01-03
| | | | Fix CI See: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=54614
* fuzz: add fuzzer testing nDPI (initial) configurations (#1830)Ivan Nardi2022-12-23
| | | | | | | | | | | | | | | | | The goal of this fuzzer is to test init and deinit of the library, with different configurations. In details: * random memory allocation failures, even during init phase * random `ndpi_init_prefs` parameter of `ndpi_init_detection_module()` * random LRU caches sizes * random bitmask of enabled protocols * random parameters of `ndpi_set_detection_preferences()` * random initialization of opportunistic TLS * random load/don't load of configuration files This new fuzzer is a C++ file, because it uses `FuzzedDataProvider` class (see https://github.com/google/fuzzing/blob/master/docs/split-inputs.md). Note that the (existing) fuzzers need to be linked with C++ compiler anyway, so this new fuzzer doesn't add any new requirements.
* fuzz: add a new fuzzer testing memory allocation failures (#1818)Ivan Nardi2022-12-06
| | | | | | | | | Try to fuzz error paths triggered by allocation errors. Fix some errors already found by this new fuzzer. Basic idea taken from: https://github.com/harfbuzz/harfbuzz/pull/2566/files `FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION` is a standard define used to (not)compile specific code in fuzzing builds. See: https://llvm.org/docs/LibFuzzer.html
* Extend CodeQL configuration and fix two warnings (#1816)Ivan Nardi2022-12-02
| | | | | | | | | ``` Call to `memset` may be deleted Comparison of narrow type with wide type in loop condition ``` See https://www.usenix.org/system/files/conference/usenixsecurity17/sec17-yang.pdf for the new portable function `secure_memzero`.
* Removed unused variableLuca Deri2022-10-26
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* Fix typoAlfredo Cardigliano2022-10-26
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* CleanupLuca Deri2022-10-26
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* TypoLuca Deri2022-10-26
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* Improved AESNI checkLuca Deri2022-10-26
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* Windows changesLuca Deri2022-10-06
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* Add proj and sln for compile of dynamic x64 lib under Visual Studio 2019.mark andrews2022-09-21
| | | | | | * add CI support via MSBuild Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
* Fix some warningsNardi Ivan2022-09-05
| | | | | | | | | | | | | | | | | | | | | Ubuntu-20.04, clang-16 (nightly build) ``` Making all in src/lib protocols/smpp.c:70:17: warning: variable 'pdu_c' set but not used [-Wunused-but-set-variable] u_int16_t pdu_c = 1; ^ 1 warning generated. third_party/src/ahocorasick.c:173:20: warning: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Wsingle-bit-bitfield-constant-conversion] thiz->root->root = 1; ^ ~ third_party/src/ahocorasick.c:336:15: warning: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Wsingle-bit-bitfield-constant-conversion] n->ff = 1; ^ ~ third_party/src/ahocorasick.c:716:21: warning: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Wsingle-bit-bitfield-constant-conversion] node->final = 1; [...] ```
* Improve AES-NI checkAlfredo Cardigliano2022-08-30
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* Internal gcrypt: fix memory leakNardi Ivan2022-08-30
| | | | Fix: ef99eb67
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