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[core] gateways might Upgrade con before body read 

some gateways might Upgrade connection before request body is read

(mod_wstunnel sets con->file_started = 1 and -1 == hctx->wb_reqlen
 and sends Connection: upgrade and Upgrade: websocket before reading
 request body)

x-ref:
  "wstunnel sample config"
  https://redmine.lighttpd.net/boards/2/topics/7600
personal/stbuehler/cleanup-build
Glenn Strauss 2017-10-09 00:47:56 -04:00
parent b8e6419f3a
commit d8dba4ae6a
1 changed files with 3 additions and 2 deletions
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5
src/gw_backend.c
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@ -1938,7 +1938,7 @@ handler_t gw_handle_subrequest(server *srv, connection *con, void *p_d) {
if (hctx->gw_mode != GW_AUTHORIZER
&& (0 == hctx->wb->bytes_in
? con->state == CON_STATE_READ_POST
? (con->state == CON_STATE_READ_POST || -1 == hctx->wb_reqlen)
: (hctx->wb->bytes_in < hctx->wb_reqlen || hctx->wb_reqlen < 0))) {
/* leave excess data in con->request_content_queue, which is
* buffered to disk if too large and backend can not keep up */
@ -1963,7 +1963,8 @@ handler_t gw_handle_subrequest(server *srv, connection *con, void *p_d) {
}
}
#endif
if (0 != hctx->wb->bytes_in && !chunkqueue_is_empty(req_cq)) {
if ((0 != hctx->wb->bytes_in || -1 == hctx->wb_reqlen)
&& !chunkqueue_is_empty(req_cq)) {
if (hctx->stdin_append) {
handler_t rc = hctx->stdin_append(srv, hctx);
if (HANDLER_GO_ON != rc) return rc;