2018-04-19 12:53:53 +08:00
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/*
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* libwebsockets - small server side websockets and web server implementation
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*
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* Copyright (C) 2010 - 2018 Andy Green <andy@warmcat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation:
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* version 2.1 of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*
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2018-05-03 10:49:36 +08:00
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* This is included from core/private.h if LWS_ROLE_WS
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2018-04-19 12:53:53 +08:00
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*/
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2018-06-16 09:35:07 +08:00
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#if defined(LWS_WITH_ZLIB)
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2019-07-03 19:46:23 +01:00
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#if defined(LWS_WITH_MINIZ)
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#include <miniz.h>
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#else
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2018-06-16 09:35:07 +08:00
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#include <zlib.h>
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#endif
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2019-07-03 19:46:23 +01:00
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#endif
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2018-06-16 09:35:07 +08:00
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2018-04-19 12:53:53 +08:00
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extern struct lws_role_ops role_ops_cgi;
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#define lwsi_role_cgi(wsi) (wsi->role_ops == &role_ops_cgi)
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#define LWS_HTTP_CHUNK_HDR_SIZE 16
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enum {
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2018-06-16 09:35:07 +08:00
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SIGNIFICANT_HDR_CONTENT_LENGTH, /* numeric */
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2018-04-19 12:53:53 +08:00
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SIGNIFICANT_HDR_LOCATION,
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2018-06-16 09:35:07 +08:00
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SIGNIFICANT_HDR_STATUS, /* numeric */
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2018-04-19 12:53:53 +08:00
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SIGNIFICANT_HDR_TRANSFER_ENCODING,
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2018-06-16 09:35:07 +08:00
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SIGNIFICANT_HDR_CONTENT_ENCODING_GZIP,
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2018-04-19 12:53:53 +08:00
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SIGNIFICANT_HDR_COUNT
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};
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struct lws;
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/* wsi who is master of the cgi points to an lws_cgi */
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struct lws_cgi {
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struct lws_cgi *cgi_list;
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struct lws *stdwsi[3]; /* points to the associated stdin/out/err wsis */
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struct lws *wsi; /* owner */
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unsigned char *headers_buf;
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unsigned char *headers_start;
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unsigned char *headers_pos;
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unsigned char *headers_dumped;
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unsigned char *headers_end;
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char summary[128];
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2018-06-16 09:35:07 +08:00
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#if defined(LWS_WITH_ZLIB)
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z_stream inflate;
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uint8_t inflate_buf[1024];
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#endif
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2018-04-19 12:53:53 +08:00
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2018-06-16 09:35:07 +08:00
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lws_filepos_t post_in_expected;
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2018-04-19 12:53:53 +08:00
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lws_filepos_t content_length;
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lws_filepos_t content_length_seen;
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int pipe_fds[3][2];
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int match[SIGNIFICANT_HDR_COUNT];
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char l[12];
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int pid;
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int response_code;
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int lp;
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unsigned char being_closed:1;
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unsigned char explicitly_chunked:1;
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2018-06-16 09:35:07 +08:00
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unsigned char cgi_transaction_over:1;
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unsigned char implied_chunked:1;
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unsigned char gzip_inflate:1;
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unsigned char gzip_init:1;
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2018-04-19 12:53:53 +08:00
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unsigned char chunked_grace;
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};
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