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Add a few extension numbers in the server hello

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Issue #2686 showed a server which listed an unknown extension number from
RFC 8446. THis PR adds this number and a few (later) ones.

It just lists them when detected in `parse_tls_serverhello()`

See also https://www.iana.org/assignments/tls-extensiontype-values/tls-extensiontype-values.xhtml
This commit is contained in:
Dirk 2025-03-11 15:57:25 +01:00
parent 830af44953
commit 8b00ab4c47
1 changed files with 4 additions and 0 deletions
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testssl.sh
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@ -14861,6 +14861,10 @@ parse_tls_serverhello() {
002F) tls_extensions+="TLS server extension \"certificate authorities\" (id=47), len=$extension_len\n" ;;
0030) tls_extensions+="TLS server extension \"oid filters\" (id=48), len=$extension_len\n" ;;
0031) tls_extensions+="TLS server extension \"post handshake auth\" (id=49), len=$extension_len\n" ;;
0032) tls_extensions+="TLS server extension \"signature algorithms cert\" (id=50), len=$extension_len\n" ;;
0034) tls_extensions+="TLS server extension \"transparency info \" (id=52), len=$extension_len\n" ;;
# 54,55,56 (x36 to x38) is DTLS
003A) tls_extensions+="TLS server extension \"ticket request \" (id=58), len=$extension_len\n" ;;
3374) tls_extensions+="TLS server extension \"next protocol\" (id=13172), len=$extension_len\n"
if [[ "$process_full" =~ all ]]; then
local -i protocol_len