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397f7e5c0e
Add full support for RFC 9460's SvcParams list.
Amend the existing `dns_svcb_rr` record by a vector of new
`dns_svcb_param` records containing aptly typed SvcParamKey and
SvcParamValue pairs. Example output:
```
@load base/protocols/dns
event dns_HTTPS( c: connection , msg: dns_msg , ans: dns_answer , https: dns_svcb_rr ) {
for (_, param in https$svc_params)
print to_json(param); # filter uninitialised values
}
```
```
$ dig https cloudflare-ech.com +short | tr [:space:] \\n
1
.
alpn="h3,h2"
ipv4hint=104.18.10.118,104.18.11.118
ech=AEX+DQBBHgAgACBGL2e9TiFwjK/w1Zg9AmRm7mgXHz3PjffP0mTFNMxmDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA=
ipv6hint=2606:4700::6812:a76,2606:4700::6812:b76
```
```
{"key":1,"alpn":["h3","h2"]}
{"key":4,"hint":["104.18.10.118","104.18.11.118"]}
{"key":5,"ech":"AEX+DQBBHgAgACBGL2e9TiFwjK/w1Zg9AmRm7mgXHz3PjffP0mTFNMxmDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA="}
{"key":6,"hint":["2606:4700::6812:a76","2606:4700::6812:b76"]}
```
Values with malformed data or belonging to invalid/reserved keys
are passed raw bytes in network order for script-level inspection.
Follow up to "Initial Support to DNS SVCB/HTTPS RR"
https://github.com/zeek/zeek/pull/1808
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|---|---|---|
| .. | ||
| benchmark/broker | ||
| btest | ||
| builtin-plugins | ||
| coverage | ||
| external | ||
| scripts | ||
| .gitignore | ||
| CMakeLists.txt | ||
| Makefile | ||
| README | ||
This directory contains suites for testing for Zeek's correct
operation:
btest/
An ever-growing set of small unit tests testing Zeek's
functionality.
external/
A framework for downloading additional test sets that run more
complex Zeek configuration on larger traces files. Due to their
size, these are not included directly. See the README for more
information.
scripts/
Helpers scripts used by some tests.