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HTTP/2: rejecting invalid stream identifiers with PROTOCOL_ERROR.
Prodded by Xu Yang.
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parent
554916301c
commit
b1274232db
@ -953,6 +953,13 @@ ngx_http_v2_state_data(ngx_http_v2_connection_t *h2c, u_char *pos, u_char *end)
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0,
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"http2 DATA frame");
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if (h2c->state.sid == 0) {
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ngx_log_error(NGX_LOG_INFO, h2c->connection->log, 0,
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"client sent DATA frame with incorrect identifier");
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return ngx_http_v2_connection_error(h2c, NGX_HTTP_V2_PROTOCOL_ERROR);
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}
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if (size > h2c->recv_window) {
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ngx_log_error(NGX_LOG_INFO, h2c->connection->log, 0,
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"client violated connection flow control: "
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@ -2095,6 +2102,16 @@ static u_char *
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ngx_http_v2_state_settings(ngx_http_v2_connection_t *h2c, u_char *pos,
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u_char *end)
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{
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0,
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"http2 SETTINGS frame");
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if (h2c->state.sid) {
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ngx_log_error(NGX_LOG_INFO, h2c->connection->log, 0,
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"client sent SETTINGS frame with incorrect identifier");
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return ngx_http_v2_connection_error(h2c, NGX_HTTP_V2_PROTOCOL_ERROR);
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}
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if (h2c->state.flags == NGX_HTTP_V2_ACK_FLAG) {
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if (h2c->state.length != 0) {
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@ -2118,9 +2135,6 @@ ngx_http_v2_state_settings(ngx_http_v2_connection_t *h2c, u_char *pos,
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return ngx_http_v2_connection_error(h2c, NGX_HTTP_V2_SIZE_ERROR);
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}
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0,
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"http2 SETTINGS frame");
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return ngx_http_v2_state_settings_params(h2c, pos, end);
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}
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@ -2269,6 +2283,13 @@ ngx_http_v2_state_ping(ngx_http_v2_connection_t *h2c, u_char *pos, u_char *end)
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0,
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"http2 PING frame");
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if (h2c->state.sid) {
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ngx_log_error(NGX_LOG_INFO, h2c->connection->log, 0,
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"client sent PING frame with incorrect identifier");
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return ngx_http_v2_connection_error(h2c, NGX_HTTP_V2_PROTOCOL_ERROR);
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}
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if (h2c->state.flags & NGX_HTTP_V2_ACK_FLAG) {
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return ngx_http_v2_state_skip(h2c, pos, end);
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}
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@ -2310,6 +2331,13 @@ ngx_http_v2_state_goaway(ngx_http_v2_connection_t *h2c, u_char *pos,
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return ngx_http_v2_state_save(h2c, pos, end, ngx_http_v2_state_goaway);
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}
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if (h2c->state.sid) {
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ngx_log_error(NGX_LOG_INFO, h2c->connection->log, 0,
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"client sent GOAWAY frame with incorrect identifier");
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return ngx_http_v2_connection_error(h2c, NGX_HTTP_V2_PROTOCOL_ERROR);
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}
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#if (NGX_DEBUG)
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h2c->state.length -= NGX_HTTP_V2_GOAWAY_SIZE;
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