Latest update - 9165
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@@ -349,6 +349,7 @@ ngx_http_v2_read_handler(ngx_event_t *rev)
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http2 read handler");
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h2c->blocked = 1;
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h2c->new_streams = 0;
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if (c->close) {
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c->close = 0;
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@@ -1286,6 +1287,14 @@ ngx_http_v2_state_headers(ngx_http_v2_connection_t *h2c, u_char *pos,
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goto rst_stream;
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}
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if (h2c->new_streams++ >= 2 * h2scf->concurrent_streams) {
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ngx_log_error(NGX_LOG_INFO, h2c->connection->log, 0,
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"client sent too many streams at once");
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status = NGX_HTTP_V2_REFUSED_STREAM;
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goto rst_stream;
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}
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if (!h2c->settings_ack
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&& !(h2c->state.flags & NGX_HTTP_V2_END_STREAM_FLAG)
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&& h2scf->preread_size < NGX_HTTP_V2_DEFAULT_WINDOW)
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@@ -1351,6 +1360,12 @@ ngx_http_v2_state_headers(ngx_http_v2_connection_t *h2c, u_char *pos,
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rst_stream:
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if (h2c->refused_streams++ > ngx_max(h2scf->concurrent_streams, 100)) {
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ngx_log_error(NGX_LOG_INFO, h2c->connection->log, 0,
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"client sent too many refused streams");
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return ngx_http_v2_connection_error(h2c, NGX_HTTP_V2_NO_ERROR);
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}
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if (ngx_http_v2_send_rst_stream(h2c, h2c->state.sid, status) != NGX_OK) {
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return ngx_http_v2_connection_error(h2c, NGX_HTTP_V2_INTERNAL_ERROR);
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}
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@@ -179,6 +179,8 @@ struct ngx_http_v2_connection_s {
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ngx_uint_t processing;
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ngx_uint_t frames;
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ngx_uint_t idle;
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ngx_uint_t new_streams;
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ngx_uint_t refused_streams;
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ngx_uint_t priority_limit;
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size_t send_window;
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