mirrors/doh-server
1
0
Fork 0
mirror of https://github.com/DNSCrypt/doh-server.git synced 2025-04-03 04:57:37 +03:00
Code Issues Projects Releases Packages Wiki Activity

Reject large query strings

Browse source
This commit is contained in:
Frank Denis 2021-06-06 17:36:04 +02:00
parent 9be0d1ed74
commit a746e2822a
1 changed files with 5 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

5
src/libdoh/src/lib.rs
View file

@ -155,6 +155,11 @@ impl DoH {
}
}
}
if let Some(question_str) = question_str {
if question_str.len() > MAX_DNS_QUESTION_LEN * 4 / 3 {
return None;
}
}
let query = match question_str.and_then(|question_str| {
base64::decode_config(question_str, base64::URL_SAFE_NO_PAD).ok()
}) {