Mercurial > hg > nginx
diff src/event/ngx_event_quic_protection.c @ 8558:0f37b4ef3cd9 quic
QUIC: keep the entire packet size in pkt->len.
Previously pkt->len kept the length of the packet remainder starting from
pkt->raw->pos.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Fri, 25 Sep 2020 21:46:55 +0300 |
parents | 26a5bd4aff57 |
children | b31c02454539 |
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--- a/src/event/ngx_event_quic_protection.c +++ b/src/event/ngx_event_quic_protection.c @@ -997,6 +997,7 @@ ngx_quic_decrypt(ngx_quic_header_t *pkt, uint64_t *largest_pn) { u_char clearflags, *p, *sample; + size_t len; uint8_t badflags; uint64_t pn, lpn; ngx_int_t pnl, rc, key_phase; @@ -1012,6 +1013,7 @@ ngx_quic_decrypt(ngx_quic_header_t *pkt, secret = pkt->secret; p = pkt->raw->pos; + len = pkt->data + pkt->len - p; /* draft-ietf-quic-tls-23#section-5.4.2: * the Packet Number field is assumed to be 4 bytes long @@ -1019,7 +1021,7 @@ ngx_quic_decrypt(ngx_quic_header_t *pkt, * AES-Based and ChaCha20-Based header protections sample 16 bytes */ - if (pkt->len < EVP_GCM_TLS_TAG_LEN + 4) { + if (len < EVP_GCM_TLS_TAG_LEN + 4) { return NGX_DECLINED; } @@ -1062,7 +1064,7 @@ ngx_quic_decrypt(ngx_quic_header_t *pkt, /* packet protection */ in.data = p; - in.len = pkt->len - pnl; + in.len = len - pnl; if (ngx_quic_long_pkt(pkt->flags)) { badflags = clearflags & NGX_QUIC_PKT_LONG_RESERVED_BIT;