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upnphttp.c
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upnphttp.c
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/* MiniDLNA project
*
* http://sourceforge.net/projects/minidlna/
*
* MiniDLNA media server
* Copyright (C) 2008-2009 Justin Maggard
*
* This file is part of MiniDLNA.
*
* MiniDLNA is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* MiniDLNA 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MiniDLNA. If not, see <http://www.gnu.org/licenses/>.
*
* Portions of the code from the MiniUPnP project:
*
* Copyright (c) 2006-2007, Thomas Bernard
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/param.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <arpa/inet.h>
#include <sys/time.h>
#include <sys/resource.h>
#include "config.h"
#include "upnpglobalvars.h"
#include "upnphttp.h"
#include "upnpdescgen.h"
#include "minidlnapath.h"
#include "upnpsoap.h"
#include "upnpevents.h"
#include "utils.h"
#include "getifaddr.h"
#include "image_utils.h"
#include "log.h"
#include "sql.h"
#include <libexif/exif-loader.h>
#ifdef TIVO_SUPPORT
#include "tivo_utils.h"
#include "tivo_commands.h"
#endif
#include "sendfile.h"
//#define MAX_BUFFER_SIZE 4194304 // 4MB -- Too much?
#define MAX_BUFFER_SIZE 2147483647 // 2GB -- Too much?
#define MIN_BUFFER_SIZE 65536
#include "icons.c"
struct upnphttp *
New_upnphttp(int s)
{
struct upnphttp * ret;
if(s<0)
return NULL;
ret = (struct upnphttp *)malloc(sizeof(struct upnphttp));
if(ret == NULL)
return NULL;
memset(ret, 0, sizeof(struct upnphttp));
ret->socket = s;
return ret;
}
void
CloseSocket_upnphttp(struct upnphttp * h)
{
if(close(h->socket) < 0)
{
DPRINTF(E_ERROR, L_HTTP, "CloseSocket_upnphttp: close(%d): %s\n", h->socket, strerror(errno));
}
h->socket = -1;
h->state = 100;
}
void
Delete_upnphttp(struct upnphttp * h)
{
if(h)
{
if(h->socket >= 0)
CloseSocket_upnphttp(h);
free(h->req_buf);
free(h->res_buf);
free(h);
}
}
int
SearchClientCache(struct in_addr addr, int quiet)
{
int i;
for( i=0; i<CLIENT_CACHE_SLOTS; i++ )
{
if( clients[i].addr.s_addr == addr.s_addr )
{
/* Invalidate this client cache if it's older than 1 hour */
if( (time(NULL) - clients[i].age) > 3600 )
{
unsigned char mac[6];
if( get_remote_mac(addr, mac) == 0 &&
memcmp(mac, clients[i].mac, 6) == 0 )
{
/* Same MAC as last time when we were able to identify the client,
* so extend the timeout by another hour. */
clients[i].age = time(NULL);
}
else
{
memset(&clients[i], 0, sizeof(struct client_cache_s));
return -1;
}
}
if( !quiet )
DPRINTF(E_DEBUG, L_HTTP, "Client found in cache. [type %d/entry %d]\n",
clients[i].type, i);
return i;
}
}
return -1;
}
/* parse HttpHeaders of the REQUEST */
static void
ParseHttpHeaders(struct upnphttp * h)
{
char * line;
char * colon;
char * p;
int n;
line = h->req_buf;
/* TODO : check if req_buf, contentoff are ok */
while(line < (h->req_buf + h->req_contentoff))
{
colon = strchr(line, ':');
if(colon)
{
if(strncasecmp(line, "Content-Length", 14)==0)
{
p = colon;
while(*p < '0' || *p > '9')
p++;
h->req_contentlen = atoi(p);
}
else if(strncasecmp(line, "SOAPAction", 10)==0)
{
p = colon;
n = 0;
while(*p == ':' || *p == ' ' || *p == '\t')
p++;
while(p[n]>=' ')
{
n++;
}
if((p[0] == '"' && p[n-1] == '"')
|| (p[0] == '\'' && p[n-1] == '\''))
{
p++; n -= 2;
}
h->req_soapAction = p;
h->req_soapActionLen = n;
}
else if(strncasecmp(line, "Callback", 8)==0)
{
p = colon;
while(*p != '<' && *p != '\r' )
p++;
n = 0;
while(p[n] != '>' && p[n] != '\r' )
n++;
h->req_Callback = p + 1;
h->req_CallbackLen = MAX(0, n - 1);
/* Verify callback validity */
if(strncmp(h->req_Callback, "http://", 7) != 0)
h->req_Callback = NULL;
}
else if(strncasecmp(line, "SID", 3)==0)
{
//zqiu: fix bug for test 4.0.5
//Skip extra headers like "SIDHEADER: xxxxxx xxx"
for(p=line+3;p<colon;p++)
{
if(!isspace(*p))
{
p = NULL; //unexpected header
break;
}
}
if(p) {
p = colon + 1;
while(isspace(*p))
p++;
n = 0;
while(!isspace(p[n]))
n++;
h->req_SID = p;
h->req_SIDLen = n;
}
}
else if(strncasecmp(line, "NT", 2)==0)
{
p = colon + 1;
while(isspace(*p))
p++;
n = 0;
while(!isspace(p[n]))
n++;
h->req_NT = p;
h->req_NTLen = n;
}
/* Timeout: Seconds-nnnn */
/* TIMEOUT
Recommended. Requested duration until subscription expires,
either number of seconds or infinite. Recommendation
by a UPnP Forum working committee. Defined by UPnP vendor.
Consists of the keyword "Second-" followed (without an
intervening space) by either an integer or the keyword "infinite". */
else if(strncasecmp(line, "Timeout", 7)==0)
{
p = colon + 1;
while(isspace(*p))
p++;
if(strncasecmp(p, "Second-", 7)==0) {
h->req_Timeout = atoi(p+7);
}
}
// Range: bytes=xxx-yyy
else if(strncasecmp(line, "Range", 5)==0)
{
p = colon + 1;
while(isspace(*p))
p++;
if(strncasecmp(p, "bytes=", 6)==0) {
h->reqflags |= FLAG_RANGE;
h->req_RangeStart = strtoll(p+6, &colon, 10);
h->req_RangeEnd = colon ? atoll(colon+1) : 0;
DPRINTF(E_DEBUG, L_HTTP, "Range Start-End: %lld - %lld\n",
h->req_RangeStart, h->req_RangeEnd?h->req_RangeEnd:-1);
}
}
else if(strncasecmp(line, "Host", 4)==0)
{
int i;
h->reqflags |= FLAG_HOST;
p = colon + 1;
while(isspace(*p))
p++;
for(n = 0; n<n_lan_addr; n++)
{
for(i=0; lan_addr[n].str[i]; i++)
{
if(lan_addr[n].str[i] != p[i])
break;
}
if(!lan_addr[n].str[i])
{
h->iface = n;
break;
}
}
}
else if(strncasecmp(line, "User-Agent", 10)==0)
{
char *s;
/* Skip client detection if we already detected it. */
if( h->req_client )
goto next_header;
p = colon + 1;
while(isspace(*p))
p++;
if(strncasecmp(p, "Xbox/", 5)==0)
{
h->req_client = EXbox;
h->reqflags |= FLAG_MIME_AVI_AVI;
h->reqflags |= FLAG_MS_PFS;
}
else if(strncmp(p, "PLAYSTATION", 11)==0)
{
h->req_client = EPS3;
h->reqflags |= FLAG_DLNA;
h->reqflags |= FLAG_MIME_AVI_DIVX;
}
else if((s=strstrc(p, "SEC_HHP_", '\r')))
{
h->req_client = ESamsungSeriesC;
h->reqflags |= FLAG_SAMSUNG;
h->reqflags |= FLAG_DLNA;
h->reqflags |= FLAG_NO_RESIZE;
if(strstrc(s+8, "TV", '\r'))
h->reqflags |= FLAG_SAMSUNG_TV;
}
else if(strncmp(p, "SamsungWiselinkPro", 18)==0)
{
h->req_client = ESamsungSeriesA;
h->reqflags |= FLAG_SAMSUNG;
h->reqflags |= FLAG_DLNA;
h->reqflags |= FLAG_NO_RESIZE;
}
else if(strstrc(p, "bridgeCo-DMP/3", '\r'))
{
h->req_client = EDenonReceiver;
h->reqflags |= FLAG_DLNA;
}
else if(strstrc(p, "fbxupnpav/", '\r'))
{
h->req_client = EFreeBox;
}
else if(strncmp(p, "SMP8634", 7)==0)
{
h->req_client = EPopcornHour;
h->reqflags |= FLAG_MIME_FLAC_FLAC;
}
else if(strstrc(p, "Microsoft-IPTV-Client", '\r'))
{
h->req_client = EMediaRoom;
h->reqflags |= FLAG_MS_PFS;
}
else if(strstrc(p, "LGE_DLNA_SDK", '\r'))
{
h->req_client = ELGDevice;
h->reqflags |= FLAG_DLNA;
}
else if(strncmp(p, "Verismo,", 8)==0)
{
h->req_client = ENetgearEVA2000;
h->reqflags |= FLAG_MS_PFS;
}
else if(strstrc(p, "UPnP/1.0 DLNADOC/1.50 Intel_SDK_for_UPnP_devices/1.2", '\r'))
{
h->req_client = EToshibaTV;
h->reqflags |= FLAG_DLNA;
}
else if(strstrc(p, "DLNADOC/1.50", '\r'))
{
h->req_client = EStandardDLNA150;
h->reqflags |= FLAG_DLNA;
h->reqflags |= FLAG_MIME_AVI_AVI;
}
}
else if(strncasecmp(line, "X-AV-Client-Info", 16)==0)
{
/* Skip client detection if we already detected it. */
if( h->req_client && h->req_client < EStandardDLNA150 )
goto next_header;
p = colon + 1;
while(isspace(*p))
p++;
if(strstrc(p, "PLAYSTATION 3", '\r'))
{
h->req_client = EPS3;
h->reqflags |= FLAG_DLNA;
h->reqflags |= FLAG_MIME_AVI_DIVX;
}
/* X-AV-Client-Info: av=5.0; cn="Sony Corporation"; mn="Blu-ray Disc Player"; mv="2.0" */
/* X-AV-Client-Info: av=5.0; cn="Sony Corporation"; mn="BLU-RAY HOME THEATRE SYSTEM"; mv="2.0"; */
/* Sony SMP-100 needs the same treatment as their BDP-S370 */
/* X-AV-Client-Info: av=5.0; cn="Sony Corporation"; mn="Media Player"; mv="2.0" */
else if(strstrc(p, "Blu-ray Disc Player", '\r') ||
strstrc(p, "BLU-RAY HOME THEATRE SYSTEM", '\r') ||
strstrc(p, "Media Player", '\r'))
{
h->req_client = ESonyBDP;
h->reqflags |= FLAG_DLNA;
}
/* X-AV-Client-Info: av=5.0; cn="Sony Corporation"; mn="BRAVIA KDL-40EX503"; mv="1.7"; */
/* X-AV-Client-Info: av=5.0; hn=""; cn="Sony Corporation"; mn="INTERNET TV NSX-40GT 1"; mv="0.1"; */
else if(strstrc(p, "BRAVIA", '\r') ||
strstrc(p, "INTERNET TV", '\r'))
{
h->req_client = ESonyBravia;
h->reqflags |= FLAG_DLNA;
}
}
else if(strncasecmp(line, "Transfer-Encoding", 17)==0)
{
p = colon + 1;
while(isspace(*p))
p++;
if(strncasecmp(p, "chunked", 7)==0)
{
h->reqflags |= FLAG_CHUNKED;
}
}
else if(strncasecmp(line, "Accept-Language", 15)==0)
{
h->reqflags |= FLAG_LANGUAGE;
}
else if(strncasecmp(line, "getcontentFeatures.dlna.org", 27)==0)
{
p = colon + 1;
while(isspace(*p))
p++;
if( (*p != '1') || !isspace(p[1]) )
h->reqflags |= FLAG_INVALID_REQ;
}
else if(strncasecmp(line, "TimeSeekRange.dlna.org", 22)==0)
{
h->reqflags |= FLAG_TIMESEEK;
}
else if(strncasecmp(line, "PlaySpeed.dlna.org", 18)==0)
{
h->reqflags |= FLAG_PLAYSPEED;
}
else if(strncasecmp(line, "realTimeInfo.dlna.org", 21)==0)
{
h->reqflags |= FLAG_REALTIMEINFO;
}
else if(strncasecmp(line, "getAvailableSeekRange.dlna.org", 21)==0)
{
p = colon + 1;
while(isspace(*p))
p++;
if( (*p != '1') || !isspace(p[1]) )
h->reqflags |= FLAG_INVALID_REQ;
}
else if(strncasecmp(line, "transferMode.dlna.org", 21)==0)
{
p = colon + 1;
while(isspace(*p))
p++;
if(strncasecmp(p, "Streaming", 9)==0)
{
h->reqflags |= FLAG_XFERSTREAMING;
}
if(strncasecmp(p, "Interactive", 11)==0)
{
h->reqflags |= FLAG_XFERINTERACTIVE;
}
if(strncasecmp(p, "Background", 10)==0)
{
h->reqflags |= FLAG_XFERBACKGROUND;
}
}
else if(strncasecmp(line, "getCaptionInfo.sec", 18)==0)
{
h->reqflags |= FLAG_CAPTION;
}
else if(strncasecmp(line, "FriendlyName", 12)==0)
{
p = colon + 1;
while(isspace(*p))
p++;
if(strstrc(p, "LIFETAB", '\r'))
{
h->req_client = ELifeTab;
h->reqflags |= FLAG_MS_PFS;
}
}
}
next_header:
while(!(line[0] == '\r' && line[1] == '\n'))
line++;
line += 2;
}
if( h->reqflags & FLAG_CHUNKED )
{
char *endptr;
h->req_chunklen = -1;
if( h->req_buflen <= h->req_contentoff )
return;
while( (line < (h->req_buf + h->req_buflen)) &&
(h->req_chunklen = strtol(line, &endptr, 16)) &&
(endptr != line) )
{
while(!(endptr[0] == '\r' && endptr[1] == '\n'))
{
endptr++;
}
line = endptr+h->req_chunklen+2;
}
if( endptr == line )
{
h->req_chunklen = -1;
return;
}
}
/* If the client type wasn't found, search the cache.
* This is done because a lot of clients like to send a
* different User-Agent with different types of requests. */
n = SearchClientCache(h->clientaddr, 0);
if( h->req_client )
{
/* Add this client to the cache if it's not there already. */
if( n < 0 )
{
for( n=0; n<CLIENT_CACHE_SLOTS; n++ )
{
if( clients[n].addr.s_addr )
continue;
get_remote_mac(h->clientaddr, clients[n].mac);
clients[n].addr = h->clientaddr;
DPRINTF(E_DEBUG, L_HTTP, "Added client [%d/%s/%02X:%02X:%02X:%02X:%02X:%02X] to cache slot %d.\n",
h->req_client, inet_ntoa(clients[n].addr),
clients[n].mac[0], clients[n].mac[1], clients[n].mac[2],
clients[n].mac[3], clients[n].mac[4], clients[n].mac[5], n);
break;
}
}
else if( (clients[n].type < EStandardDLNA150 && h->req_client == EStandardDLNA150) ||
(clients[n].type == ESamsungSeriesB && h->req_client == ESamsungSeriesA) )
{
/* If we know the client and our new detection is generic, use our cached info */
/* If we detected a Samsung Series B earlier, don't overwrite it with Series A info */
h->reqflags |= clients[n].flags;
h->req_client = clients[n].type;
return;
}
clients[n].type = h->req_client;
clients[n].flags = h->reqflags & 0xFFF00000;
clients[n].age = time(NULL);
}
else if( n >= 0 )
{
h->reqflags |= clients[n].flags;
h->req_client = clients[n].type;
}
}
/* very minimalistic 400 error message */
static void
Send400(struct upnphttp * h)
{
static const char body400[] =
"<HTML><HEAD><TITLE>400 Bad Request</TITLE></HEAD>"
"<BODY><H1>Bad Request</H1>The request is invalid"
" for this HTTP version.</BODY></HTML>\r\n";
h->respflags = FLAG_HTML;
BuildResp2_upnphttp(h, 400, "Bad Request",
body400, sizeof(body400) - 1);
SendResp_upnphttp(h);
CloseSocket_upnphttp(h);
}
/* very minimalistic 404 error message */
static void
Send404(struct upnphttp * h)
{
static const char body404[] =
"<HTML><HEAD><TITLE>404 Not Found</TITLE></HEAD>"
"<BODY><H1>Not Found</H1>The requested URL was not found"
" on this server.</BODY></HTML>\r\n";
h->respflags = FLAG_HTML;
BuildResp2_upnphttp(h, 404, "Not Found",
body404, sizeof(body404) - 1);
SendResp_upnphttp(h);
CloseSocket_upnphttp(h);
}
/* very minimalistic 406 error message */
static void
Send406(struct upnphttp * h)
{
static const char body406[] =
"<HTML><HEAD><TITLE>406 Not Acceptable</TITLE></HEAD>"
"<BODY><H1>Not Acceptable</H1>An unsupported operation"
" was requested.</BODY></HTML>\r\n";
h->respflags = FLAG_HTML;
BuildResp2_upnphttp(h, 406, "Not Acceptable",
body406, sizeof(body406) - 1);
SendResp_upnphttp(h);
CloseSocket_upnphttp(h);
}
/* very minimalistic 416 error message */
static void
Send416(struct upnphttp * h)
{
static const char body416[] =
"<HTML><HEAD><TITLE>416 Requested Range Not Satisfiable</TITLE></HEAD>"
"<BODY><H1>Requested Range Not Satisfiable</H1>The requested range"
" was outside the file's size.</BODY></HTML>\r\n";
h->respflags = FLAG_HTML;
BuildResp2_upnphttp(h, 416, "Requested Range Not Satisfiable",
body416, sizeof(body416) - 1);
SendResp_upnphttp(h);
CloseSocket_upnphttp(h);
}
/* very minimalistic 500 error message */
void
Send500(struct upnphttp * h)
{
static const char body500[] =
"<HTML><HEAD><TITLE>500 Internal Server Error</TITLE></HEAD>"
"<BODY><H1>Internal Server Error</H1>Server encountered "
"and Internal Error.</BODY></HTML>\r\n";
h->respflags = FLAG_HTML;
BuildResp2_upnphttp(h, 500, "Internal Server Errror",
body500, sizeof(body500) - 1);
SendResp_upnphttp(h);
CloseSocket_upnphttp(h);
}
/* very minimalistic 501 error message */
void
Send501(struct upnphttp * h)
{
static const char body501[] =
"<HTML><HEAD><TITLE>501 Not Implemented</TITLE></HEAD>"
"<BODY><H1>Not Implemented</H1>The HTTP Method "
"is not implemented by this server.</BODY></HTML>\r\n";
h->respflags = FLAG_HTML;
BuildResp2_upnphttp(h, 501, "Not Implemented",
body501, sizeof(body501) - 1);
SendResp_upnphttp(h);
CloseSocket_upnphttp(h);
}
static const char *
findendheaders(const char * s, int len)
{
while(len-- > 0)
{
if(s[0]=='\r' && s[1]=='\n' && s[2]=='\r' && s[3]=='\n')
return s;
s++;
}
return NULL;
}
/* Sends the description generated by the parameter */
static void
sendXMLdesc(struct upnphttp * h, char * (f)(int *))
{
char * desc;
int len;
desc = f(&len);
if(!desc)
{
DPRINTF(E_ERROR, L_HTTP, "Failed to generate XML description\n");
Send500(h);
return;
}
BuildResp_upnphttp(h, desc, len);
SendResp_upnphttp(h);
CloseSocket_upnphttp(h);
free(desc);
}
static void
SendResp_presentation(struct upnphttp * h)
{
char body[1024];
int l;
h->respflags = FLAG_HTML;
#ifdef READYNAS
l = snprintf(body, sizeof(body), "<meta http-equiv=\"refresh\" content=\"0; url=https://%s/admin/\">",
lan_addr[h->iface].str);
#else
int a, v, p;
a = sql_get_int_field(db, "SELECT count(*) from DETAILS where MIME glob 'a*'");
v = sql_get_int_field(db, "SELECT count(*) from DETAILS where MIME glob 'v*'");
p = sql_get_int_field(db, "SELECT count(*) from DETAILS where MIME glob 'i*'");
l = snprintf(body, sizeof(body),
"<HTML><HEAD><TITLE>" SERVER_NAME " " MINIDLNA_VERSION "</TITLE></HEAD>"
"<BODY><div style=\"text-align: center\">"
"<h3>" SERVER_NAME " status</h3>"
"Audio files: %d<br>"
"Video files: %d<br>"
"Image files: %d</div>"
"</BODY></HTML>\r\n", a, v, p);
#endif
BuildResp_upnphttp(h, body, l);
SendResp_upnphttp(h);
CloseSocket_upnphttp(h);
}
/* ProcessHTTPPOST_upnphttp()
* executes the SOAP query if it is possible */
static void
ProcessHTTPPOST_upnphttp(struct upnphttp * h)
{
if((h->req_buflen - h->req_contentoff) >= h->req_contentlen)
{
if(h->req_soapAction)
{
/* we can process the request */
DPRINTF(E_DEBUG, L_HTTP, "SOAPAction: %.*s\n", h->req_soapActionLen, h->req_soapAction);
ExecuteSoapAction(h,
h->req_soapAction,
h->req_soapActionLen);
}
else
{
static const char err400str[] =
"<html><body>Bad request</body></html>";
DPRINTF(E_WARN, L_HTTP, "No SOAPAction in HTTP headers\n");
h->respflags = FLAG_HTML;
BuildResp2_upnphttp(h, 400, "Bad Request",
err400str, sizeof(err400str) - 1);
SendResp_upnphttp(h);
CloseSocket_upnphttp(h);
}
}
else
{
/* waiting for remaining data */
h->state = 1;
}
}
static void
ProcessHTTPSubscribe_upnphttp(struct upnphttp * h, const char * path)
{
const char * sid;
DPRINTF(E_DEBUG, L_HTTP, "ProcessHTTPSubscribe %s\n", path);
DPRINTF(E_DEBUG, L_HTTP, "Callback '%.*s' Timeout=%d\n",
h->req_CallbackLen, h->req_Callback, h->req_Timeout);
DPRINTF(E_DEBUG, L_HTTP, "SID '%.*s'\n", h->req_SIDLen, h->req_SID);
if((!h->req_Callback && !h->req_SID) ||
strncmp(h->req_NT, "upnp:event", h->req_NTLen) != 0) {
/* Missing or invalid CALLBACK : 412 Precondition Failed.
* If CALLBACK header is missing or does not contain a valid HTTP URL,
* the publisher must respond with HTTP error 412 Precondition Failed*/
BuildResp2_upnphttp(h, 412, "Precondition Failed", 0, 0);
SendResp_upnphttp(h);
CloseSocket_upnphttp(h);
} else {
/* - add to the subscriber list
* - respond HTTP/x.x 200 OK
* - Send the initial event message */
/* Server:, SID:; Timeout: Second-(xx|infinite) */
if(h->req_Callback) {
if(!h->req_NT || strncmp(h->req_NT, "upnp:event", h->req_NTLen) != 0) {
BuildResp2_upnphttp(h, 400, "Bad Request",
"<html><body>Bad request</body></html>", 37);
} else {
sid = upnpevents_addSubscriber(path, h->req_Callback,
h->req_CallbackLen, h->req_Timeout);
h->respflags = FLAG_TIMEOUT;
if(sid) {
DPRINTF(E_DEBUG, L_HTTP, "generated sid=%s\n", sid);
h->respflags |= FLAG_SID;
h->req_SID = sid;
h->req_SIDLen = strlen(sid);
}
BuildResp_upnphttp(h, 0, 0);
}
} else {
/* subscription renew */
/* Invalid SID
412 Precondition Failed. If a SID does not correspond to a known,
un-expired subscription, the publisher must respond
with HTTP error 412 Precondition Failed. */
if(renewSubscription(h->req_SID, h->req_SIDLen, h->req_Timeout) < 0) {
BuildResp2_upnphttp(h, 412, "Precondition Failed", 0, 0);
} else {
/* A DLNA device must enforce a 5 minute timeout */
h->respflags = FLAG_TIMEOUT;
h->req_Timeout = 300;
h->respflags |= FLAG_SID;
BuildResp_upnphttp(h, 0, 0);
}
}
SendResp_upnphttp(h);
CloseSocket_upnphttp(h);
}
}
static void
ProcessHTTPUnSubscribe_upnphttp(struct upnphttp * h, const char * path)
{
DPRINTF(E_DEBUG, L_HTTP, "ProcessHTTPUnSubscribe %s\n", path);
DPRINTF(E_DEBUG, L_HTTP, "SID '%.*s'\n", h->req_SIDLen, h->req_SID);
/* Remove from the list */
if(upnpevents_removeSubscriber(h->req_SID, h->req_SIDLen) < 0) {
BuildResp2_upnphttp(h, 412, "Precondition Failed", 0, 0);
} else {
BuildResp_upnphttp(h, 0, 0);
}
SendResp_upnphttp(h);
CloseSocket_upnphttp(h);
}
/* Parse and process Http Query
* called once all the HTTP headers have been received. */
static void
ProcessHttpQuery_upnphttp(struct upnphttp * h)
{
char HttpCommand[16];
char HttpUrl[512];
char * HttpVer;
char * p;
int i;
p = h->req_buf;
if(!p)
return;
for(i = 0; i<15 && *p != ' ' && *p != '\r'; i++)
HttpCommand[i] = *(p++);
HttpCommand[i] = '\0';
while(*p==' ')
p++;
if(strncmp(p, "http://", 7) == 0)
{
p = p+7;
while(*p!='/')
p++;
}
for(i = 0; i<511 && *p != ' ' && *p != '\r'; i++)
HttpUrl[i] = *(p++);
HttpUrl[i] = '\0';
while(*p==' ')
p++;
HttpVer = h->HttpVer;
for(i = 0; i<15 && *p != '\r'; i++)
HttpVer[i] = *(p++);
HttpVer[i] = '\0';
/*DPRINTF(E_INFO, L_HTTP, "HTTP REQUEST : %s %s (%s)\n",
HttpCommand, HttpUrl, HttpVer);*/
/* set the interface here initially, in case there is no Host header */
for(i = 0; i<n_lan_addr; i++)
{
if( (h->clientaddr.s_addr & lan_addr[i].mask.s_addr)
== (lan_addr[i].addr.s_addr & lan_addr[i].mask.s_addr))
{
h->iface = i;
break;
}
}
ParseHttpHeaders(h);
/* see if we need to wait for remaining data */
if( (h->reqflags & FLAG_CHUNKED) )
{
if( h->req_chunklen )
{
h->state = 2;
return;
}
char *chunkstart, *chunk, *endptr, *endbuf;
chunk = endbuf = chunkstart = h->req_buf + h->req_contentoff;
while( (h->req_chunklen = strtol(chunk, &endptr, 16)) && (endptr != chunk) )
{
while(!(endptr[0] == '\r' && endptr[1] == '\n'))
{
endptr++;
}
endptr += 2;
memmove(endbuf, endptr, h->req_chunklen);
endbuf += h->req_chunklen;
chunk = endptr + h->req_chunklen;
}
h->req_contentlen = endbuf - chunkstart;
h->req_buflen = endbuf - h->req_buf;
h->state = 100;
}
DPRINTF(E_DEBUG, L_HTTP, "HTTP REQUEST: %.*s\n", h->req_buflen, h->req_buf);
if(strcmp("POST", HttpCommand) == 0)
{
h->req_command = EPost;
ProcessHTTPPOST_upnphttp(h);
}
else if((strcmp("GET", HttpCommand) == 0) || (strcmp("HEAD", HttpCommand) == 0))
{
if( ((strcmp(h->HttpVer, "HTTP/1.1")==0) && !(h->reqflags & FLAG_HOST)) || (h->reqflags & FLAG_INVALID_REQ) )
{
DPRINTF(E_WARN, L_HTTP, "Invalid request, responding ERROR 400. (No Host specified in HTTP headers?)\n");
Send400(h);
return;
}
/* 7.3.33.4 */
else if( (h->reqflags & (FLAG_TIMESEEK|FLAG_PLAYSPEED)) &&
!(h->reqflags & FLAG_RANGE) )
{
DPRINTF(E_WARN, L_HTTP, "DLNA %s requested, responding ERROR 406\n",
h->reqflags&FLAG_TIMESEEK ? "TimeSeek" : "PlaySpeed");
Send406(h);
return;
}
else if(strcmp("GET", HttpCommand) == 0)
{
h->req_command = EGet;
}
else
{
h->req_command = EHead;
}
if(strcmp(ROOTDESC_PATH, HttpUrl) == 0)
{
/* If it's a Xbox360, we might need a special friendly_name to be recognized */
if( (h->req_client == EXbox) && !strchr(friendly_name, ':') )
{
i = strlen(friendly_name);
snprintf(friendly_name+i, FRIENDLYNAME_MAX_LEN-i, ": 1");
sendXMLdesc(h, genRootDesc);
friendly_name[i] = '\0';
}
else if( h->reqflags & FLAG_SAMSUNG_TV )
{
sendXMLdesc(h, genRootDescSamsung);
}
else
{
sendXMLdesc(h, genRootDesc);
}
}
else if(strcmp(CONTENTDIRECTORY_PATH, HttpUrl) == 0)
{
sendXMLdesc(h, genContentDirectory);
}
else if(strcmp(CONNECTIONMGR_PATH, HttpUrl) == 0)
{
sendXMLdesc(h, genConnectionManager);
}
else if(strcmp(X_MS_MEDIARECEIVERREGISTRAR_PATH, HttpUrl) == 0)
{
sendXMLdesc(h, genX_MS_MediaReceiverRegistrar);
}
else if(strncmp(HttpUrl, "/MediaItems/", 12) == 0)
{
SendResp_dlnafile(h, HttpUrl+12);
}
else if(strncmp(HttpUrl, "/Thumbnails/", 12) == 0)
{
SendResp_thumbnail(h, HttpUrl+12);
}
else if(strncmp(HttpUrl, "/AlbumArt/", 10) == 0)
{
SendResp_albumArt(h, HttpUrl+10);
}
#ifdef TIVO_SUPPORT
else if(strncmp(HttpUrl, "/TiVoConnect", 12) == 0)
{
if( GETFLAG(TIVO_MASK) )
{
if( *(HttpUrl+12) == '?' )
{
ProcessTiVoCommand(h, HttpUrl+13);
}
else
{
DPRINTF(E_WARN, L_HTTP, "Invalid TiVo request! %s\n", HttpUrl+12);
Send404(h);
}
}
else
{
DPRINTF(E_WARN, L_HTTP, "TiVo request with out TiVo support enabled! %s\n",
HttpUrl+12);
Send404(h);
}
}
#endif
else if(strncmp(HttpUrl, "/Resized/", 9) == 0)
{
SendResp_resizedimg(h, HttpUrl+9);
}
else if(strncmp(HttpUrl, "/icons/", 7) == 0)
{
SendResp_icon(h, HttpUrl+7);
}
else if(strncmp(HttpUrl, "/Captions/", 10) == 0)