mirror/nginx
1
0
Fork 0
mirror of https://github.com/nginx/nginx.git synced 2024-12-03 21:18:59 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

QUIC: do not resend empty queue when speeding up handshake.

Browse Source 
If client acknowledged an Initial packet with CRYPTO frame and then
sent another Initial packet containing duplicate CRYPTO again, this
could result in resending frames off the empty send queue.
This commit is contained in:
Sergey Kandaurov 2020-10-05 13:02:53 +01:00
parent 3309b1e8df
commit f09be89a52
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/event/ngx_event_quic.c
View File

@ -2846,6 +2846,7 @@ ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
{
uint64_t last;
ngx_int_t rc;
ngx_quic_send_ctx_t *ctx;
ngx_quic_connection_t *qc;
ngx_quic_crypto_frame_t *f;
ngx_quic_frames_stream_t *fs;
@ -2871,7 +2872,11 @@ ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
/* speeding up handshake completion */
if (pkt->level == ssl_encryption_initial) {
ngx_quic_resend_frames(c, ngx_quic_get_send_ctx(qc, pkt->level));
ctx = ngx_quic_get_send_ctx(qc, pkt->level);
if (!ngx_queue_empty(&ctx->sent)) {
ngx_quic_resend_frames(c, ctx);
}
}
return NGX_OK;