release/src/router/minidlna/upnphttp.h

   1 /* MiniDLNA project
   2  *
   3  * http://sourceforge.net/projects/minidlna/
   4  *
   5  * MiniDLNA media server
   6  * Copyright (C) 2008-2012  Justin Maggard
   7  *
   8  * This file is part of MiniDLNA.
   9  *
  10  * MiniDLNA is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  *
  14  * MiniDLNA is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with MiniDLNA. If not, see <http://www.gnu.org/licenses/>.
  21  *
  22  * Portions of the code from the MiniUPnP project:
  23  *
  24  * Copyright (c) 2006-2007, Thomas Bernard
  25  * All rights reserved.
  26  *
  27  * Redistribution and use in source and binary forms, with or without
  28  * modification, are permitted provided that the following conditions are met:
  29  *     * Redistributions of source code must retain the above copyright
  30  *       notice, this list of conditions and the following disclaimer.
  31  *     * Redistributions in binary form must reproduce the above copyright
  32  *       notice, this list of conditions and the following disclaimer in the
  33  *       documentation and/or other materials provided with the distribution.
  34  *     * The name of the author may not be used to endorse or promote products
  35  *       derived from this software without specific prior written permission.
  36  *
  37  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  38  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  39  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  40  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  41  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  42  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  43  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  44  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  45  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  47  * POSSIBILITY OF SUCH DAMAGE.
  48  */
  49 #ifndef __UPNPHTTP_H__
  50 #define __UPNPHTTP_H__
  51
  52 #include <netinet/in.h>
  53 #include <sys/queue.h>
  54
  55 #include "minidlnatypes.h"
  56 #include "config.h"
  57
  58 /* server: HTTP header returned in all HTTP responses : */
  59 #define MINIDLNA_SERVER_STRING  OS_VERSION " DLNADOC/1.50 UPnP/1.0 " SERVER_NAME "/" MINIDLNA_VERSION
  60
  61 /*
  62  states :
  63   0 - waiting for data to read
  64   1 - waiting for HTTP Post Content.
  65   ...
  66   >= 100 - to be deleted
  67 */
  68 enum httpCommands {
  69         EUnknown = 0,
  70         EGet,
  71         EPost,
  72         EHead,
  73         ESubscribe,
  74         EUnSubscribe
  75 };
  76
  77 struct upnphttp {
  78         int socket;
  79         struct in_addr clientaddr;      /* client address */
  80         int iface;
  81         int state;
  82         char HttpVer[16];
  83         /* request */
  84         char * req_buf;
  85         int req_buflen;
  86         int req_contentlen;
  87         int req_contentoff;     /* header length */
  88         enum httpCommands req_command;
  89         enum client_types req_client;
  90         const char * req_soapAction;
  91         int req_soapActionLen;
  92         const char * req_Callback;      /* For SUBSCRIBE */
  93         int req_CallbackLen;
  94         const char * req_NT;
  95         int req_NTLen;
  96         int req_Timeout;
  97         const char * req_SID;           /* For UNSUBSCRIBE */
  98         int req_SIDLen;
  99         off_t req_RangeStart;
 100         off_t req_RangeEnd;
 101         long int req_chunklen;
 102         uint32_t reqflags;
 103         /* response */
 104         char * res_buf;
 105         int res_buflen;
 106         int res_buf_alloclen;
 107         uint32_t respflags;
 108         /*int res_contentlen;*/
 109         /*int res_contentoff;*/         /* header length */
 110         LIST_ENTRY(upnphttp) entries;
 111 };
 112
 113 #define FLAG_TIMEOUT            0x00000001
 114 #define FLAG_SID                0x00000002
 115 #define FLAG_RANGE              0x00000004
 116 #define FLAG_HOST               0x00000008
 117 #define FLAG_LANGUAGE           0x00000010
 118
 119 #define FLAG_INVALID_REQ        0x00000040
 120 #define FLAG_HTML               0x00000080
 121
 122 #define FLAG_CHUNKED            0x00000100
 123 #define FLAG_TIMESEEK           0x00000200
 124 #define FLAG_REALTIMEINFO       0x00000400
 125 #define FLAG_PLAYSPEED          0x00000800
 126 #define FLAG_XFERSTREAMING      0x00001000
 127 #define FLAG_XFERINTERACTIVE    0x00002000
 128 #define FLAG_XFERBACKGROUND     0x00004000
 129 #define FLAG_CAPTION            0x00008000
 130
 131 #define FLAG_DLNA               0x00100000
 132 #define FLAG_MIME_AVI_DIVX      0x00200000
 133 #define FLAG_MIME_AVI_AVI       0x00400000
 134 #define FLAG_MIME_FLAC_FLAC     0x00800000
 135 #define FLAG_MIME_WAV_WAV       0x01000000
 136 #define FLAG_NO_RESIZE          0x02000000
 137 #define FLAG_MS_PFS             0x04000000 // Microsoft PlaysForSure client
 138 #define FLAG_SAMSUNG            0x08000000
 139 #define FLAG_SAMSUNG_TV         0x10000000
 140 #define FLAG_AUDIO_ONLY         0x20000000
 141
 142 #define FLAG_FREE_OBJECT_ID     0x00000001
 143 #define FLAG_ROOT_CONTAINER     0x00000002
 144
 145 /* New_upnphttp() */
 146 struct upnphttp *
 147 New_upnphttp(int);
 148
 149 /* CloseSocket_upnphttp() */
 150 void
 151 CloseSocket_upnphttp(struct upnphttp *);
 152
 153 /* Delete_upnphttp() */
 154 void
 155 Delete_upnphttp(struct upnphttp *);
 156
 157 /* Process_upnphttp() */
 158 void
 159 Process_upnphttp(struct upnphttp *);
 160
 161 /* BuildHeader_upnphttp()
 162  * build the header for the HTTP Response
 163  * also allocate the buffer for body data */
 164 void
 165 BuildHeader_upnphttp(struct upnphttp * h, int respcode,
 166                      const char * respmsg,
 167                      int bodylen);
 168
 169 /* BuildResp_upnphttp()
 170  * fill the res_buf buffer with the complete
 171  * HTTP 200 OK response from the body passed as argument */
 172 void
 173 BuildResp_upnphttp(struct upnphttp *, const char *, int);
 174
 175 /* BuildResp2_upnphttp()
 176  * same but with given response code/message */
 177 void
 178 BuildResp2_upnphttp(struct upnphttp * h, int respcode,
 179                     const char * respmsg,
 180                     const char * body, int bodylen);
 181
 182 /* Error messages */
 183 void
 184 Send500(struct upnphttp *);
 185 void
 186 Send501(struct upnphttp *);
 187
 188 /* SendResp_upnphttp() */
 189 void
 190 SendResp_upnphttp(struct upnphttp *);
 191
 192 int
 193 SearchClientCache(struct in_addr addr, int quiet);
 194
 195 void
 196 SendResp_icon(struct upnphttp *, char * url);
 197 void
 198 SendResp_albumArt(struct upnphttp *, char * url);
 199 void
 200 SendResp_caption(struct upnphttp *, char * url);
 201 void
 202 SendResp_resizedimg(struct upnphttp *, char * url);
 203 void
 204 SendResp_thumbnail(struct upnphttp *, char * url);
 205 /* SendResp_dlnafile()
 206  * send the actual file data for a UPnP-A/V or DLNA request. */
 207 void
 208 SendResp_dlnafile(struct upnphttp *, char * url);
 209 #endif
 210