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Fixed parsing of CONNECTION CLOSE2 frames.

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The "frame_type" field is not passed in case of 0x1d frame.
This commit is contained in:
Vladimir Homutov 2020-03-20 15:14:00 +03:00
parent 6565860bd8
commit 1d35d0f31e
1 changed files with 19 additions and 8 deletions
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27
src/event/ngx_event_quic_transport.c
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@ -624,12 +624,24 @@ ngx_quic_parse_frame(ngx_quic_header_t *pkt, u_char *start, u_char *end,
case NGX_QUIC_FT_CONNECTION_CLOSE:
case NGX_QUIC_FT_CONNECTION_CLOSE2:
p = ngx_quic_parse_int_multi(p, end, &f->u.close.error_code,
&f->u.close.frame_type,
&f->u.close.reason.len, NULL);
p = ngx_quic_parse_int(p, end, &f->u.close.error_code);
if (p == NULL) {
ngx_log_error(NGX_LOG_ERR, pkt->log, 0,
"failed to parse close connection frame");
"failed to parse close connection frame error code");
return NGX_ERROR;
}
if (f->type == NGX_QUIC_FT_CONNECTION_CLOSE) {
p = ngx_quic_parse_int(p, end, &f->u.close.frame_type);
ngx_log_error(NGX_LOG_ERR, pkt->log, 0,
"failed to parse close connection frame type");
return NGX_ERROR;
}
p = ngx_quic_parse_int(p, end, &f->u.close.reason.len);
if (p == NULL) {
ngx_log_error(NGX_LOG_ERR, pkt->log, 0,
"failed to parse close reason length");
return NGX_ERROR;
}
@ -657,10 +669,9 @@ ngx_quic_parse_frame(ngx_quic_header_t *pkt, u_char *start, u_char *end,
&f->u.close.reason);
} else {
ngx_log_debug3(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
"CONN.CLOSE2: { (0x%xi) type=0x%xi reason '%V'}",
f->u.close.error_code, f->u.close.frame_type,
&f->u.close.reason);
ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
"CONN.CLOSE2: { (0x%xi) reason '%V'}",
f->u.close.error_code, &f->u.close.reason);
}
break;