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Fixed bug in ndpi_get_host_domain
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```
SCARINESS: 12 (1-byte-read-heap-buffer-overflow)
#0 0x557f3a5b5100 in ndpi_get_host_domain /src/ndpi/src/lib/ndpi_domains.c:158:8
#1 0x557f3a59b561 in ndpi_check_dga_name /src/ndpi/src/lib/ndpi_main.c:10412:17
#2 0x557f3a51163a in process_chlo /src/ndpi/src/lib/protocols/quic.c:1467:7
#3 0x557f3a469f4b in LLVMFuzzerTestOneInput /src/ndpi/fuzz/fuzz_quic_get_crypto_data.c:44:7
#4 0x557f3a46abc8 in NaloFuzzerTestOneInput (/out/fuzz_quic_get_crypto_data+0x4cfbc8)
```
Some notes about the leak: if the insertion into the uthash fails (because of an
allocation failure), we need to free the just allocated entry. 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 the fast-path.
See also efb261a95c5a
Credits for finding the issues to Philippe Antoine (@catenacyber) and his
`nallocfuzz` fuzzing engine
See: https://github.com/catenacyber/nallocfuzz
See: https://github.com/google/oss-fuzz/pull/9902
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```
==17==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x000000546050 bp 0x7fff113c82a0 sp 0x7fff113c7a58 T0)
==17==The signal is caused by a READ memory access.
==17==Hint: address points to the zero page.
SCARINESS: 10 (null-deref)
#0 0x546050 in __sanitizer::internal_strlen(char const*) /src/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_libc.cpp:167:10
#1 0x4c6ba5 in __interceptor_strrchr /src/llvm-project/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:740:5
#2 0x5fb9b9 in ndpi_get_host_domain_suffix /src/ndpi/src/lib/ndpi_domains.c:105:20
#3 0x578058 in LLVMFuzzerTestOneInput /src/ndpi/fuzz/fuzz_config.cpp:503:3
```
Found while fuzzing
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* Added
size_t ndpi_compress_str(const char * in, size_t len, char * out, size_t bufsize);
size_t ndpi_decompress_str(const char * in, size_t len, char * out, size_t bufsize);
used to compress short strings such as domain names. This code is based on
https://github.com/Ed-von-Schleck/shoco
* Major code rewrite for ndpi_hash and ndpi_domain_classify
* Improvements to make sure custom categories are loaded and enabled
* Fixed string encoding
* Extended SalesForce/Cloudflare domains list
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Found while fuzzing fuzz_config
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ndpi_load_domain_suffixes
Minor hash optimization
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vs ndpi_get_host_domain_prefix() that instead returnd the host TLD
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- ndpi_load_domain_suffixes()
- ndpi_get_host_domain_suffix()
whose goal is to find the domain name of a hostname. Example:
www.bbc.co.uk -> co.uk
mail.apple.com -> com
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