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Fix the script to download crawler addressess
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as explained here for bitcoin https://www.ntop.org/guides/nDPI/protocols.html#ndpi-protocol-bitcoin
the same is applicable for ethereum.
ethereum detection was removed from mining protocol and is now handled separately.
Signed-off-by: Mahmoud Maatuq <mahmoudmatook.mm@gmail.com>
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Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Try fuzzing some functions which write to file/file descriptor; to avoid
slowing the fuzzer, close its stdout
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* fixed tests/do.sh.in failure print
Signed-off-by: lns <matzeton@googlemail.com>
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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* logging is instead redirected to `ndpi_debug_printf`
Signed-off-by: lns <matzeton@googlemail.com>
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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sitting on top of nDPI
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Plaintext HTTP/2 is quite rare on the general "internet" but it is
used in some private networks (example: 5G core network)
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The "domain classify" data structure is immutable, since it uses
"bitmap64".
Allow to finalize it before starting to process packets (i.e. before
calling `ndpi_domain_classify_contains()`) to avoid, in the data-path,
all the memory allocations due to compression.
Calling `ndpi_domain_classify_finalize()` is optional.
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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;
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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;
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```
```
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);
```
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probabilistic
approach for handling Internet domain names.
For switching back to Aho-Corasick it is necessary to edit
ndpi-typedefs.h and uncomment the line
// #define USE_LEGACY_AHO_CORASICK
[1] With Aho-Corasick
$ ./example/ndpiReader -G ./lists/ -i tests/pcap/ookla.pcap | grep Memory
nDPI Memory statistics:
nDPI Memory (once): 37.34 KB
Flow Memory (per flow): 960 B
Actual Memory: 33.09 MB
Peak Memory: 33.09 MB
[2] With the new algorithm
$ ./example/ndpiReader -G ./lists/ -i tests/pcap/ookla.pcap | grep Memory
nDPI Memory statistics:
nDPI Memory (once): 37.31 KB
Flow Memory (per flow): 960 B
Actual Memory: 7.42 MB
Peak Memory: 7.42 MB
In essence from ~33 MB to ~7 MB
This new algorithm will enable larger lists to be loaded (e.g. top 1M domans
https://s3-us-west-1.amazonaws.com/umbrella-static/index.html)
In ./lists there are file names that are named as <category>_<string>.list
With -G ndpiReader can load all of them at startup
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Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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Use two separate lists:
* one for the ingress nodes, which triggers a ProtonVPN classification
* one for the egress nodes, which triggers the
`NDPI_ANONYMOUS_SUBSCRIBER` risk
Add a command line option (to `ndpiReader`) to easily test IP/port
matching.
Add another example of custom rule.
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A fully encrypted session is a flow where every bytes of the
payload is encrypted in an attempt to “look like nothing”.
The heuristic needs only the very first packet of the flow.
See: https://www.usenix.org/system/files/sec23fall-prepub-234-wu-mingshi.pdf
A basic, but generic, inplementation of the popcpunt alg has been added
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ndpi_main.c: In function ‘ndpi_load_ip_category’:
ndpi_main.c:6598:3: warning: ‘strncpy’ specified bound 64 equals destination size [-Wstringop-truncation]
6598 | strncpy(ipbuf, ip_address_and_mask, sizeof(ipbuf));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
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