/* * libwebsockets - small server side websockets and web server implementation * * Copyright (C) 2010 - 2018 Andy Green * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation: * version 2.1 of the License. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301 USA * * This is included from core/private.h if LWS_ROLE_WS */ #if defined(LWS_WITH_ZLIB) #if defined(LWS_WITH_MINIZ) #include #else #include #endif #endif extern struct lws_role_ops role_ops_cgi; #define lwsi_role_cgi(wsi) (wsi->role_ops == &role_ops_cgi) #define LWS_HTTP_CHUNK_HDR_SIZE 16 enum { SIGNIFICANT_HDR_CONTENT_LENGTH, /* numeric */ SIGNIFICANT_HDR_LOCATION, SIGNIFICANT_HDR_STATUS, /* numeric */ SIGNIFICANT_HDR_TRANSFER_ENCODING, SIGNIFICANT_HDR_CONTENT_ENCODING_GZIP, SIGNIFICANT_HDR_COUNT }; struct lws; /* wsi who is master of the cgi points to an lws_cgi */ struct lws_cgi { struct lws_cgi *cgi_list; struct lws *stdwsi[3]; /* points to the associated stdin/out/err wsis */ struct lws *wsi; /* owner */ unsigned char *headers_buf; unsigned char *headers_start; unsigned char *headers_pos; unsigned char *headers_dumped; unsigned char *headers_end; char summary[128]; #if defined(LWS_WITH_ZLIB) z_stream inflate; uint8_t inflate_buf[1024]; #endif lws_filepos_t post_in_expected; lws_filepos_t content_length; lws_filepos_t content_length_seen; int pipe_fds[3][2]; int match[SIGNIFICANT_HDR_COUNT]; char l[12]; int pid; int response_code; int lp; unsigned char being_closed:1; unsigned char explicitly_chunked:1; unsigned char cgi_transaction_over:1; unsigned char implied_chunked:1; unsigned char gzip_inflate:1; unsigned char gzip_init:1; unsigned char chunked_grace; };