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QUIC: stream limits in "hq" mode.

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The "hq" mode is HTTP/0.9-1.1 over QUIC.  The following limits are introduced:

- uni streams are not allowed
- keepalive_requests is enforced
- keepalive_time is enforced

In case of error, QUIC connection is finalized with 0x101 code.  This code
corresponds to HTTP/3 General Protocol Error.
This commit is contained in:
Roman Arutyunyan 2021-08-02 15:48:21 +03:00
parent a63a5cfdc0
commit bc073e9460
1 changed files with 35 additions and 0 deletions
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35
src/http/modules/ngx_http_quic_module.c
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@ -188,6 +188,7 @@ static ngx_str_t ngx_http_quic_salt = ngx_string("ngx_quic");
ngx_int_t
ngx_http_quic_init(ngx_connection_t *c)
{
uint64_t n;
ngx_quic_conf_t *qcf;
ngx_http_connection_t *hc, *phc;
ngx_http_core_loc_conf_t *clcf;
@ -208,6 +209,40 @@ ngx_http_quic_init(ngx_connection_t *c)
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http init quic stream");
#if (NGX_HTTP_V3)
if (!hc->addr_conf->http3)
#endif
{
/* Use HTTP/3 General Protocol Error Code 0x101 for finalization */
if (c->quic->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
ngx_quic_finalize_connection(c->quic->parent, 0x101,
"unexpected uni stream");
ngx_http_close_connection(c);
return NGX_DONE;
}
clcf = ngx_http_get_module_loc_conf(hc->conf_ctx, ngx_http_core_module);
n = c->quic->id >> 2;
if (n >= clcf->keepalive_requests) {
ngx_quic_finalize_connection(c->quic->parent, 0x101,
"reached maximum number of requests");
ngx_http_close_connection(c);
return NGX_DONE;
}
if (ngx_current_msec - c->quic->parent->start_time
> clcf->keepalive_time)
{
ngx_quic_finalize_connection(c->quic->parent, 0x101,
"reached maximum time for requests");
ngx_http_close_connection(c);
return NGX_DONE;
}
}
phc = ngx_http_quic_get_connection(c);
if (phc->ssl_servername) {