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SPDY: Stream-ID restrictions according to specification.

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This commit is contained in:
Valentin Bartenev 2014-04-21 18:59:53 +04:00
parent 7d53ec166a
commit a57959b6cd
1 changed files with 21 additions and 2 deletions
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23
src/http/ngx_http_spdy.c
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@ -937,6 +937,27 @@ ngx_http_spdy_state_syn_stream(ngx_http_spdy_connection_t *sc, u_char *pos,
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0, ngx_log_debug2(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
"spdy SYN_STREAM frame sid:%ui prio:%ui", sid, prio); "spdy SYN_STREAM frame sid:%ui prio:%ui", sid, prio);
if (sid % 2 == 0 || sid <= sc->last_sid) {
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
"client sent SYN_STREAM frame "
"with invalid Stream-ID %ui", sid);
stream = ngx_http_spdy_get_stream_by_id(sc, sid);
if (stream) {
if (ngx_http_spdy_terminate_stream(sc, stream,
NGX_SPDY_PROTOCOL_ERROR)
!= NGX_OK)
{
return ngx_http_spdy_state_internal_error(sc);
}
}
return ngx_http_spdy_state_protocol_error(sc);
}
sc->last_sid = sid;
sscf = ngx_http_get_module_srv_conf(sc->http_connection->conf_ctx, sscf = ngx_http_get_module_srv_conf(sc->http_connection->conf_ctx,
ngx_http_spdy_module); ngx_http_spdy_module);
@ -968,8 +989,6 @@ ngx_http_spdy_state_syn_stream(ngx_http_spdy_connection_t *sc, u_char *pos,
sc->stream = stream; sc->stream = stream;
sc->last_sid = sid;
return ngx_http_spdy_state_headers(sc, pos, end); return ngx_http_spdy_state_headers(sc, pos, end);
} }