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This commit is contained in:
Alexey
2026-03-21 15:45:29 +03:00
parent 7a8f946029
commit d7bbb376c9
154 changed files with 6194 additions and 3775 deletions
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31
src/tls_front/emulator.rs
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@@ -1,7 +1,7 @@
use crate::crypto::{sha256_hmac, SecureRandom};
use crate::crypto::{SecureRandom, sha256_hmac};
use crate::protocol::constants::{
MAX_TLS_CIPHERTEXT_SIZE,
TLS_RECORD_APPLICATION, TLS_RECORD_CHANGE_CIPHER, TLS_RECORD_HANDSHAKE, TLS_VERSION,
MAX_TLS_CIPHERTEXT_SIZE, TLS_RECORD_APPLICATION, TLS_RECORD_CHANGE_CIPHER,
TLS_RECORD_HANDSHAKE, TLS_VERSION,
};
use crate::protocol::tls::{TLS_DIGEST_LEN, TLS_DIGEST_POS, gen_fake_x25519_key};
use crate::tls_front::types::{CachedTlsData, ParsedCertificateInfo, TlsProfileSource};
@@ -167,7 +167,13 @@ pub fn build_emulated_server_hello(
.app_data_records_sizes
.first()
.copied()
.or_else(|| cached.behavior_profile.app_data_record_sizes.first().copied())
.or_else(|| {
cached
.behavior_profile
.app_data_record_sizes
.first()
.copied()
})
.map(|size| vec![size])
.unwrap_or_else(|| vec![cached.total_app_data_len.max(1024)]),
_ => {
@@ -240,7 +246,9 @@ pub fn build_emulated_server_hello(
} else if size > 17 {
let body_len = size - 17;
let mut body = Vec::with_capacity(body_len);
if idx == 0 && let Some(marker) = &alpn_marker {
if idx == 0
&& let Some(marker) = &alpn_marker
{
if marker.len() <= body_len {
body.extend_from_slice(marker);
if body_len > marker.len() {
@@ -277,7 +285,9 @@ pub fn build_emulated_server_hello(
}
}
let mut response = Vec::with_capacity(server_hello.len() + change_cipher_spec.len() + app_data.len() + tickets.len());
let mut response = Vec::with_capacity(
server_hello.len() + change_cipher_spec.len() + app_data.len() + tickets.len(),
);
response.extend_from_slice(&server_hello);
response.extend_from_slice(&change_cipher_spec);
response.extend_from_slice(&app_data);
@@ -314,9 +324,11 @@ mod tests {
fn first_app_data_payload(response: &[u8]) -> &[u8] {
let hello_len = u16::from_be_bytes([response[3], response[4]]) as usize;
let ccs_start = 5 + hello_len;
let ccs_len = u16::from_be_bytes([response[ccs_start + 3], response[ccs_start + 4]]) as usize;
let ccs_len =
u16::from_be_bytes([response[ccs_start + 3], response[ccs_start + 4]]) as usize;
let app_start = ccs_start + 5 + ccs_len;
let app_len = u16::from_be_bytes([response[app_start + 3], response[app_start + 4]]) as usize;
let app_len =
u16::from_be_bytes([response[app_start + 3], response[app_start + 4]]) as usize;
&response[app_start + 5..app_start + 5 + app_len]
}
@@ -445,7 +457,8 @@ mod tests {
let hello_len = u16::from_be_bytes([response[3], response[4]]) as usize;
let ccs_start = 5 + hello_len;
let app_start = ccs_start + 6;
let app_len = u16::from_be_bytes([response[app_start + 3], response[app_start + 4]]) as usize;
let app_len =
u16::from_be_bytes([response[app_start + 3], response[app_start + 4]]) as usize;
assert_eq!(response[app_start], TLS_RECORD_APPLICATION);
assert_eq!(app_start + 5 + app_len, response.len());