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Add protocol disabling feature (#1808)

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The application may enable only some protocols.
Disabling a protocol means:
*) don't register/use the protocol dissector code (if any)
*) disable classification by-port for such a protocol
*) disable string matchings for domains/certificates involving this protocol
*) disable subprotocol registration (if any)

This feature can be tested with `ndpiReader -B list_of_protocols_to_disable`.

Custom protocols are always enabled.

Technically speaking, this commit doesn't introduce any API/ABI
incompatibility. However, calling `ndpi_set_protocol_detection_bitmask2()`
is now mandatory, just after having called `ndpi_init_detection_module()`.

Most of the diffs (and all the diffs in `/src/lib/protocols/`) are due to
the removing of some function parameters.

Fix the low level macro `NDPI_LOG`. This issue hasn't been detected
sooner simply because almost all the code uses only the helpers `NDPI_LOG_*`
This commit is contained in:
Ivan Nardi 2022-12-18 09:10:57 +01:00 • committed by GitHub
parent fb0a73c0c7
commit ad6bfbad4d
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GPG key ID: 4AEE18F83AFDEB23
195 changed files with 882 additions and 836 deletions
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4
src/lib/protocols/rtp.c
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@ -284,8 +284,8 @@ static void ndpi_search_rtp(struct ndpi_detection_module_struct *ndpi_struct, st
/* *************************************************************** */
void init_rtp_dissector(struct ndpi_detection_module_struct *ndpi_struct,
u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask) {
ndpi_set_bitmask_protocol_detection("RTP", ndpi_struct, detection_bitmask, *id,
u_int32_t *id) {
ndpi_set_bitmask_protocol_detection("RTP", ndpi_struct, *id,
NDPI_PROTOCOL_RTP,
ndpi_search_rtp,
NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD,