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QUIC: update packet length for short packets too.

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During long packet header parsing, pkt->len is updated with the Length
field value that is used to find next coalesced packets in a datagram.
For short packets it still contained the whole QUIC packet size.

This change uniforms packet length handling to always contain the total
length of the packet number and protected packet payload in pkt->len.
This commit is contained in:
Sergey Kandaurov 2020-09-08 13:27:39 +03:00
parent e43ef3dda9
commit 952c6f1989
2 changed files with 2 additions and 2 deletions
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3
src/event/ngx_event_quic_protection.c
View File

@ -1058,13 +1058,12 @@ ngx_quic_decrypt(ngx_quic_header_t *pkt, ngx_ssl_conn_t *ssl_conn,
/* packet protection */
in.data = p;
in.len = pkt->len - pnl;
if (ngx_quic_long_pkt(pkt->flags)) {
in.len = pkt->len - pnl;
badflags = clearflags & NGX_QUIC_PKT_LONG_RESERVED_BIT;
} else {
in.len = pkt->data + pkt->len - p;
badflags = clearflags & NGX_QUIC_PKT_SHORT_RESERVED_BIT;
}

1
src/event/ngx_event_quic_transport.c
View File

@ -511,6 +511,7 @@ ngx_quic_parse_short_header(ngx_quic_header_t *pkt, ngx_str_t *dcid)
}
pkt->raw->pos = p;
pkt->len = end - p;
return NGX_OK;
}