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minidlna/upnphttp.c

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/* MiniDLNA project
* http://minidlna.sourceforge.net/
* (c) 2008-2009 Justin Maggard
*
* This software is subject to the conditions detailed
* in the LICENCE file provided within the distribution
*
* Portions of the code from the MiniUPnP Project
* (c) Thomas Bernard licensed under BSD revised license
* detailed in the LICENSE.miniupnpd file provided within
* the distribution.
*/
#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 "config.h"
#include "upnphttp.h"
#include "upnpdescgen.h"
#include "minidlnapath.h"
#include "upnpsoap.h"
#include "upnpevents.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/sendfile.h>
#include "upnpglobalvars.h"
#include "utils.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
//#define MAX_BUFFER_SIZE 4194304 // 4MB -- Too much?
#define MAX_BUFFER_SIZE 2147483647 // 2GB -- Too much?
#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);
if(h->req_buf)
free(h->req_buf);
if(h->res_buf)
free(h->res_buf);
free(h);
}
}
int
SearchClientCache(struct in_addr addr)
{
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 2 hours */
if( (time(NULL) - clients[i].age) > 7200 )
{
memset(&clients[i], 0, sizeof(struct client_cache_s));
return -1;
}
DPRINTF(E_DEBUG, L_HTTP, "Client [%d] found in cache.\n", clients[i].type);
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);
}
else if(strncasecmp(line, "SID", 3)==0)
{
p = colon + 1;
while(isspace(*p))
p++;
n = 0;
while(!isspace(p[n]))
n++;
h->req_SID = p;
h->req_SIDLen = 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_RangeEnd = atoll(index(p+6, '-')+1);
h->req_RangeStart = atoll(p+6);
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)
{
h->reqflags |= FLAG_HOST;
}
else if(strncasecmp(line, "User-Agent", 10)==0)
{
p = colon + 1;
while(isspace(*p))
p++;
if(strncasecmp(p, "Xbox/", 5)==0)
{
h->req_client = EXbox;
}
else if(strncmp(p, "PLAYSTATION", 11)==0)
{
h->req_client = EPS3;
h->reqflags |= FLAG_DLNA;
}
else if(strncmp(p, "SamsungWiselinkPro", 18)==0)
{
h->req_client = ESamsungTV;
h->reqflags |= FLAG_DLNA;
}
else if(strcasestr(p, "DLNADOC/"))
{
h->req_client = EUnknownClient;
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, "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, "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;
}
}
}
while(!(line[0] == '\r' && line[1] == '\n'))
line++;
line += 2;
}
if( h->reqflags & FLAG_CHUNKED )
{
if( h->req_buflen > h->req_contentoff )
{
h->req_chunklen = strtol(line, NULL, 16);
while(!(line[0] == '\r' && line[1] == '\n'))
{
line++;
h->req_contentoff++;
}
h->req_contentoff += 2;
}
else
{
h->req_chunklen = -1;
}
}
/* 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);
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;
clients[n].addr = h->clientaddr;
DPRINTF(E_DEBUG, L_HTTP, "Added client [%d/%X] to cache slot %d.\n",
h->req_client, clients[n].addr.s_addr, n);
break;
}
}
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 */
static 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);
free(desc);
return;
}
else
{
BuildResp_upnphttp(h, desc, len);
}
SendResp_upnphttp(h);
CloseSocket_upnphttp(h);
free(desc);
}
/* 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");
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) {
/* 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) {
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;
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);*/
DPRINTF(E_DEBUG, L_HTTP, "HTTP REQUEST: %.*s\n", h->req_buflen, h->req_buf);
ParseHttpHeaders(h);
/* see if we need to wait for remaining data */
if( (h->reqflags & FLAG_CHUNKED) )
{
char * chunkstart = h->req_buf+h->req_contentoff;
char * numstart;
h->state = 2;
while( h->req_chunklen )
{
if( chunkstart >= (h->req_buf+h->req_buflen) )
return;
numstart = chunkstart+h->req_chunklen+2;
h->req_chunklen = strtol(numstart, &chunkstart, 16);
if( !h->req_chunklen && (chunkstart == numstart) )
{
DPRINTF(E_DEBUG, L_HTTP, "Chunked request needs more input.\n");
return;
}
chunkstart = chunkstart+2;
}
h->state = 100;
}
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);
}
else if( (h->reqflags & FLAG_TIMESEEK) || (h->reqflags & FLAG_PLAYSPEED) )
{
DPRINTF(E_WARN, L_HTTP, "DLNA %s requested, responding ERROR 406\n",
h->reqflags&FLAG_TIMESEEK ? "TimeSeek" : "PlaySpeed");
Send406(h);
}
else if(strcmp("GET", HttpCommand) == 0)
{
h->req_command = EGet;
}
else
{
h->req_command = EHead;
}
if(strcmp(ROOTDESC_PATH, HttpUrl) == 0)
{
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);
CloseSocket_upnphttp(h);
}
else if(strncmp(HttpUrl, "/Thumbnails/", 12) == 0)
{
SendResp_thumbnail(h, HttpUrl+12);
CloseSocket_upnphttp(h);
}
else if(strncmp(HttpUrl, "/AlbumArt/", 10) == 0)
{
SendResp_albumArt(h, HttpUrl+10);
CloseSocket_upnphttp(h);
}
#ifdef TIVO_SUPPORT
else if(strncmp(HttpUrl, "/TiVoConnect", 12) == 0)
{
if( GETFLAG(TIVOMASK) )
{
if( *(HttpUrl+12) == '?' )
{
ProcessTiVoCommand(h, HttpUrl+13);
}
else
{
printf("Invalid TiVo request! %s\n", HttpUrl+12);
Send404(h);
}
}
else
{
printf("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);
CloseSocket_upnphttp(h);
}
else if(strncmp(HttpUrl, "/icons/", 7) == 0)
{
SendResp_icon(h, HttpUrl+7);
CloseSocket_upnphttp(h);
}
else
{
DPRINTF(E_WARN, L_HTTP, "%s not found, responding ERROR 404\n", HttpUrl);
Send404(h);
}
}
else if(strcmp("SUBSCRIBE", HttpCommand) == 0)
{
h->req_command = ESubscribe;
ProcessHTTPSubscribe_upnphttp(h, HttpUrl);
}
else if(strcmp("UNSUBSCRIBE", HttpCommand) == 0)
{
h->req_command = EUnSubscribe;
ProcessHTTPUnSubscribe_upnphttp(h, HttpUrl);
}
else
{
DPRINTF(E_WARN, L_HTTP, "Unsupported HTTP Command %s\n", HttpCommand);
Send501(h);
}
}
void
Process_upnphttp(struct upnphttp * h)
{
char buf[2048];
int n;
if(!h)
return;
switch(h->state)
{
case 0:
n = recv(h->socket, buf, 2048, 0);
if(n<0)
{
DPRINTF(E_ERROR, L_HTTP, "recv (state0): %s\n", strerror(errno));
h->state = 100;
}
else if(n==0)
{
DPRINTF(E_WARN, L_HTTP, "HTTP Connection closed inexpectedly\n");
h->state = 100;
}
else
{
const char * endheaders;
/* if 1st arg of realloc() is null,
* realloc behaves the same as malloc() */
h->req_buf = (char *)realloc(h->req_buf, n + h->req_buflen + 1);
memcpy(h->req_buf + h->req_buflen, buf, n);
h->req_buflen += n;
h->req_buf[h->req_buflen] = '\0';
/* search for the string "\r\n\r\n" */
endheaders = findendheaders(h->req_buf, h->req_buflen);
if(endheaders)
{
h->req_contentoff = endheaders - h->req_buf + 4;
ProcessHttpQuery_upnphttp(h);
}
}
break;
case 1:
case 2:
n = recv(h->socket, buf, 2048, 0);
if(n<0)
{
DPRINTF(E_ERROR, L_HTTP, "recv (state1): %s\n", strerror(errno));
h->state = 100;
}
else if(n==0)
{
DPRINTF(E_WARN, L_HTTP, "HTTP Connection closed inexpectedly\n");
h->state = 100;
}
else
{
/*fwrite(buf, 1, n, stdout);*/ /* debug */
h->req_buf = (char *)realloc(h->req_buf, n + h->req_buflen);
memcpy(h->req_buf + h->req_buflen, buf, n);
h->req_buflen += n;
if((h->req_buflen - h->req_contentoff) >= h->req_contentlen)
{
if( h->state == 1 )
ProcessHTTPPOST_upnphttp(h);
else if( h->state == 2 )
ProcessHttpQuery_upnphttp(h);
}
}
break;
default:
DPRINTF(E_WARN, L_HTTP, "Unexpected state: %d\n", h->state);
}
}
static const char httpresphead[] =
"%s %d %s\r\n"
/*"Content-Type: text/xml; charset=\"utf-8\"\r\n"*/
"Content-Type: %s\r\n"
"Connection: close\r\n"
"Content-Length: %d\r\n"
/*"Server: miniupnpd/1.0 UPnP/1.0\r\n"*/
// "Accept-Ranges: bytes\r\n"
//"Server: " MINIUPNPD_SERVER_STRING "\r\n"
; /*"\r\n";*/
/*
"<?xml version=\"1.0\"?>\n"
"<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\" "
"s:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">"
"<s:Body>"
"</s:Body>"
"</s:Envelope>";
*/
/* with response code and response message
* also allocate enough memory */
void
BuildHeader_upnphttp(struct upnphttp * h, int respcode,
const char * respmsg,
int bodylen)
{
int templen;
if(!h->res_buf)
{
templen = sizeof(httpresphead) + 128 + bodylen;
h->res_buf = (char *)malloc(templen);
h->res_buf_alloclen = templen;
}
h->res_buflen = snprintf(h->res_buf, h->res_buf_alloclen,
//httpresphead, h->HttpVer,
httpresphead, "HTTP/1.1",
respcode, respmsg,
(h->respflags&FLAG_HTML)?"text/html":"text/xml; charset=\"utf-8\"",
bodylen);
/* Additional headers */
if(h->respflags & FLAG_TIMEOUT) {
h->res_buflen += snprintf(h->res_buf + h->res_buflen,
h->res_buf_alloclen - h->res_buflen,
"Timeout: Second-");
if(h->req_Timeout) {
h->res_buflen += snprintf(h->res_buf + h->res_buflen,
h->res_buf_alloclen - h->res_buflen,
"%d\r\n", h->req_Timeout);
} else {
h->res_buflen += snprintf(h->res_buf + h->res_buflen,
h->res_buf_alloclen - h->res_buflen,
"300\r\n");
//JM DLNA must force to 300 - "infinite\r\n");
}
}
if(h->respflags & FLAG_SID) {
h->res_buflen += snprintf(h->res_buf + h->res_buflen,
h->res_buf_alloclen - h->res_buflen,
"SID: %s\r\n", h->req_SID);
}
#if 0 // DLNA
h->res_buflen += snprintf(h->res_buf + h->res_buflen,
h->res_buf_alloclen - h->res_buflen,
"Server: Microsoft-Windows-NT/5.1 UPnP/1.0 UPnP-Device-Host/1.0\r\n");
char szTime[30];
time_t curtime = time(NULL);
strftime(szTime, 30,"%a, %d %b %Y %H:%M:%S GMT" , gmtime(&curtime));
h->res_buflen += snprintf(h->res_buf + h->res_buflen,
h->res_buf_alloclen - h->res_buflen,
"Date: %s\r\n", szTime);
// h->res_buflen += snprintf(h->res_buf + h->res_buflen,
// h->res_buf_alloclen - h->res_buflen,
// "contentFeatures.dlna.org: \r\n");
// h->res_buflen += snprintf(h->res_buf + h->res_buflen,
// h->res_buf_alloclen - h->res_buflen,
// "EXT:\r\n");
#endif
h->res_buf[h->res_buflen++] = '\r';
h->res_buf[h->res_buflen++] = '\n';
if(h->res_buf_alloclen < (h->res_buflen + bodylen))
{
h->res_buf = (char *)realloc(h->res_buf, (h->res_buflen + bodylen));
h->res_buf_alloclen = h->res_buflen + bodylen;
}
}
void
BuildResp2_upnphttp(struct upnphttp * h, int respcode,
const char * respmsg,
const char * body, int bodylen)
{
BuildHeader_upnphttp(h, respcode, respmsg, bodylen);
if( h->req_command == EHead )
return;
if(body)
memcpy(h->res_buf + h->res_buflen, body, bodylen);
h->res_buflen += bodylen;
}
/* responding 200 OK ! */
void
BuildResp_upnphttp(struct upnphttp * h,
const char * body, int bodylen)
{
BuildResp2_upnphttp(h, 200, "OK", body, bodylen);
}
void
SendResp_upnphttp(struct upnphttp * h)
{
int n;
DPRINTF(E_DEBUG, L_HTTP, "HTTP RESPONSE: %.*s\n", h->res_buflen, h->res_buf);
n = send(h->socket, h->res_buf, h->res_buflen, 0);
if(n<0)
{
DPRINTF(E_ERROR, L_HTTP, "send(res_buf): %s", strerror(errno));
}
else if(n < h->res_buflen)
{
/* TODO : handle correctly this case */
DPRINTF(E_ERROR, L_HTTP, "send(res_buf): %d bytes sent (out of %d)\n",
n, h->res_buflen);
}
}
int
send_data(struct upnphttp * h, char * header, size_t size)
{
int n;
n = send(h->socket, header, size, 0);
if(n<0)
{
DPRINTF(E_ERROR, L_HTTP, "send(res_buf): %s", strerror(errno));
}
else if(n < h->res_buflen)
{
/* TODO : handle correctly this case */
DPRINTF(E_ERROR, L_HTTP, "send(res_buf): %d bytes sent (out of %d)\n",
n, h->res_buflen);
}
else
{
return 0;
}
return 1;
}
void
send_file(struct upnphttp * h, int sendfd, off_t offset, off_t end_offset)
{
off_t send_size;
off_t ret;
while( offset < end_offset )
{
send_size = ( ((end_offset - offset) < MAX_BUFFER_SIZE) ? (end_offset - offset + 1) : MAX_BUFFER_SIZE);
ret = sendfile(h->socket, sendfd, &offset, send_size);
if( ret == -1 )
{
DPRINTF(E_DEBUG, L_HTTP, "sendfile error :: error no. %d [%s]\n", errno, strerror(errno));
if( errno != EAGAIN )
break;
}
/*else
{
DPRINTF(E_DEBUG, L_HTTP, "sent %lld bytes to %d. offset is now %lld.\n", ret, h->socket, offset);
}*/
}
}
void
SendResp_icon(struct upnphttp * h, char * icon)
{
char * header;
char * data;
int size;
char mime[12];
char date[30];
time_t curtime = time(NULL);
if( strcmp(icon, "sm.png") == 0 )
{
DPRINTF(E_DEBUG, L_HTTP, "Sending small PNG icon\n");
data = (char *)png_sm;
size = sizeof(png_sm)-1;
strcpy(mime, "image/png");
}
else if( strcmp(icon, "lrg.png") == 0 )
{
DPRINTF(E_DEBUG, L_HTTP, "Sending large PNG icon\n");
data = (char *)png_lrg;
size = sizeof(png_lrg)-1;
strcpy(mime, "image/png");
}
else if( strcmp(icon, "sm.jpg") == 0 )
{
DPRINTF(E_DEBUG, L_HTTP, "Sending small JPEG icon\n");
data = (char *)jpeg_sm;
size = sizeof(jpeg_sm)-1;
strcpy(mime, "image/jpeg");
}
else if( strcmp(icon, "lrg.jpg") == 0 )
{
DPRINTF(E_DEBUG, L_HTTP, "Sending large JPEG icon\n");
data = (char *)jpeg_lrg;
size = sizeof(jpeg_lrg)-1;
strcpy(mime, "image/jpeg");
}
else
{
DPRINTF(E_WARN, L_HTTP, "Invalid icon request: %s\n", icon);
Send404(h);
return;
}
strftime(date, 30,"%a, %d %b %Y %H:%M:%S GMT" , gmtime(&curtime));
asprintf(&header, "HTTP/1.1 200 OK\r\n"
"Content-Type: %s\r\n"
"Content-Length: %d\r\n"
"Connection: close\r\n"
"Date: %s\r\n"
"Server: RAIDiator/4.1, UPnP/1.0, MiniDLNA/1.0\r\n\r\n",
mime, size, date);
if( (send_data(h, header, strlen(header)) == 0) && (h->req_command != EHead) )
{
send_data(h, data, size);
}
free(header);
}
void
SendResp_albumArt(struct upnphttp * h, char * object)
{
char header[1500];
char sql_buf[256];
char **result;
int rows = 0;
char *path;
char date[30];
time_t curtime = time(NULL);
off_t offset = 0, size;
int sendfh;
memset(header, 0, 1500);
if( h->reqflags & FLAG_XFERSTREAMING || h->reqflags & FLAG_RANGE )
{
DPRINTF(E_WARN, L_HTTP, "Client tried to specify transferMode as Streaming with an image!\n");
Send406(h);
return;
}
strip_ext(object);
sprintf(sql_buf, "SELECT PATH from ALBUM_ART where ID = %s", object);
sql_get_table(db, sql_buf, &result, &rows, NULL);
if( !rows )
{
DPRINTF(E_WARN, L_HTTP, "ALBUM_ART ID %s not found, responding ERROR 404\n", object);
Send404(h);
goto error;
}
path = result[1];
DPRINTF(E_INFO, L_HTTP, "Serving album art ID: %s [%s]\n", object, path);
if( access(path, F_OK) == 0 )
{
strftime(date, 30,"%a, %d %b %Y %H:%M:%S GMT" , gmtime(&curtime));
sendfh = open(path, O_RDONLY);
if( sendfh < 0 ) {
DPRINTF(E_ERROR, L_HTTP, "Error opening %s\n", path);
goto error;
}
size = lseek(sendfh, 0, SEEK_END);
lseek(sendfh, 0, SEEK_SET);
sprintf(header, "HTTP/1.1 200 OK\r\n"
"Content-Type: image/jpeg\r\n"
"Content-Length: %lld\r\n"
"Connection: close\r\n"
"Date: %s\r\n"
"EXT:\r\n"
"contentFeatures.dlna.org: DLNA.ORG_PN=JPEG_TN\r\n"
"Server: RAIDiator/4.1, UPnP/1.0, MiniDLNA/1.0\r\n",
size, date);
if( h->reqflags & FLAG_XFERBACKGROUND )
{
strcat(header, "transferMode.dlna.org: Background\r\n\r\n");
}
else //if( h->reqflags & FLAG_XFERINTERACTIVE )
{
strcat(header, "transferMode.dlna.org: Interactive\r\n\r\n");
}
if( (send_data(h, header, strlen(header)) == 0) && (h->req_command != EHead) && (sendfh > 0) )
{
send_file(h, sendfh, offset, size);
}
close(sendfh);
}
error:
sqlite3_free_table(result);
}
void
SendResp_thumbnail(struct upnphttp * h, char * object)
{
char header[1500];
char sql_buf[256];
char **result;
int rows = 0;
char *path;
char date[30];
time_t curtime = time(NULL);
ExifData *ed;
ExifLoader *l;
memset(header, 0, 1500);
if( h->reqflags & FLAG_XFERSTREAMING || h->reqflags & FLAG_RANGE )
{
DPRINTF(E_WARN, L_HTTP, "Client tried to specify transferMode as Streaming with an image!\n");
Send406(h);
return;
}
strip_ext(object);
sprintf(sql_buf, "SELECT PATH from DETAILS where ID = '%s'", object);
sql_get_table(db, sql_buf, &result, &rows, NULL);
if( !rows )
{
DPRINTF(E_WARN, L_HTTP, "%s not found, responding ERROR 404\n", object);
Send404(h);
goto error;
}
path = result[1];
DPRINTF(E_INFO, L_HTTP, "Serving thumbnail for ObjectId: %s [%s]\n", object, path);
if( access(path, F_OK) == 0 )
{
strftime(date, 30,"%a, %d %b %Y %H:%M:%S GMT" , gmtime(&curtime));
l = exif_loader_new();
exif_loader_write_file(l, path);
ed = exif_loader_get_data(l);
exif_loader_unref(l);
if( !ed || !ed->size )
{
Send404(h);
if( ed )
exif_data_unref(ed);
goto error;
}
sprintf(header, "HTTP/1.1 200 OK\r\n"
"Content-Type: image/jpeg\r\n"
"Content-Length: %d\r\n"
"Connection: close\r\n"
"Date: %s\r\n"
"EXT:\r\n"
"contentFeatures.dlna.org: DLNA.ORG_PN=JPEG_TN\r\n"
"Server: RAIDiator/4.1, UPnP/1.0, MiniDLNA/1.0\r\n",
ed->size, date);
if( h->reqflags & FLAG_XFERBACKGROUND )
{
strcat(header, "transferMode.dlna.org: Background\r\n\r\n");
}
else //if( h->reqflags & FLAG_XFERINTERACTIVE )
{
strcat(header, "transferMode.dlna.org: Interactive\r\n\r\n");
}
if( (send_data(h, header, strlen(header)) == 0) && (h->req_command != EHead) )
{
send_data(h, (char *)ed->data, ed->size);
}
exif_data_unref(ed);
}
error:
sqlite3_free_table(result);
}
void
SendResp_resizedimg(struct upnphttp * h, char * object)
{
char header[1500];
char sql_buf[256];
char **result;
char date[30];
time_t curtime = time(NULL);
int width=640, height=480, dstw, dsth, rotation, size;
unsigned char * data;
char *path, *file_path;
char *resolution, *tn;
char *key, *val;
char *saveptr=NULL, *item=NULL;
char *pixelshape=NULL;
sqlite_int64 id;
int rows=0, ret;
ExifData *ed;
ExifLoader *l;
image * imsrc;
image * imdst;
id = strtoll(object, NULL, 10);
sprintf(sql_buf, "SELECT PATH, RESOLUTION, THUMBNAIL from DETAILS where ID = '%lld'", id);
ret = sql_get_table(db, sql_buf, &result, &rows, NULL);
if( (ret != SQLITE_OK) )
{
DPRINTF(E_ERROR, L_HTTP, "Didn't find valid file for %lld!\n", id);
Send500(h);
return;
}
if( !rows || (access(result[3], F_OK) != 0) )
{
DPRINTF(E_WARN, L_HTTP, "%s not found, responding ERROR 404\n", object);
sqlite3_free_table(result);
Send404(h);
return;
}
#if USE_FORK
pid_t newpid = 0;
newpid = fork();
if( newpid )
goto resized_error;
#endif
file_path = result[3];
resolution = result[4];
tn = result[5];
path = strdup(object);
if( strtok_r(path, "?", &saveptr) )
{
item = strtok_r(NULL, "&", &saveptr);
}
while( item != NULL )
{
#ifdef TIVO_SUPPORT
decodeString(item, 1);
#endif
val = item;
key = strsep(&val, "=");
DPRINTF(E_DEBUG, L_GENERAL, "%s: %s\n", key, val);
if( strcasecmp(key, "width") == 0 )
{
width = atoi(val);
}
else if( strcasecmp(key, "height") == 0 )
{
height = atoi(val);
}
else if( strcasecmp(key, "rotation") == 0 )
{
rotation = atoi(val);
}
else if( strcasecmp(key, "pixelshape") == 0 )
{
pixelshape = val;
}
item = strtok_r(NULL, "&", &saveptr);
}
free(path);
if( h->reqflags & FLAG_XFERSTREAMING || h->reqflags & FLAG_RANGE )
{
DPRINTF(E_WARN, L_HTTP, "Client tried to specify transferMode as Streaming with a resized image!\n");
Send406(h);
goto resized_error;
}
DPRINTF(E_INFO, L_HTTP, "Serving resized image for ObjectId: %lld [%s]\n", id, file_path);
/* Resizing from a thumbnail is much faster than from a large image */
#ifdef __sparc__
if( width <= 200 && height <= 150 && atoi(tn) )
#else
if( width <= 160 && height <= 120 && atoi(tn) )
#endif
{
l = exif_loader_new();
exif_loader_write_file(l, file_path);
ed = exif_loader_get_data(l);
exif_loader_unref(l);
if( !ed || !ed->size )
{
if( ed )
exif_data_unref(ed);
Send404(h);
goto resized_error;
}
imsrc = image_new_from_jpeg(NULL, 0, (char *)ed->data, ed->size);
exif_data_unref(ed);
}
else
{
imsrc = image_new_from_jpeg(file_path, 1, NULL, 0);
}
if( !imsrc )
{
Send404(h);
goto resized_error;
}
/* Figure out the best destination resolution we can use */
dstw = width;
dsth = ((((width<<10)/imsrc->width)*imsrc->height)>>10);
if( dsth > height )
{
dsth = height;
dstw = (((height<<10)/imsrc->height) * imsrc->width>>10);
}
imdst = image_resize(imsrc, dstw, dsth);
data = image_save_to_jpeg_buf(imdst, &size);
DPRINTF(E_INFO, L_HTTP, "size: %d\n", size);
strftime(date, 30,"%a, %d %b %Y %H:%M:%S GMT" , gmtime(&curtime));
snprintf(header, sizeof(header)-50, "%s 200 OK\r\n"
"Content-Type: image/jpeg\r\n"
"Content-Length: %d\r\n"
"Connection: close\r\n"
"Date: %s\r\n"
"EXT:\r\n"
"contentFeatures.dlna.org: DLNA.ORG_PN=JPEG_TN\r\n"
"Server: RAIDiator/4.1, UPnP/1.0, MiniDLNA_TN/1.0\r\n",
h->HttpVer, size, date);
if( h->reqflags & FLAG_XFERINTERACTIVE )
{
strcat(header, "transferMode.dlna.org: Interactive\r\n");
}
else if( h->reqflags & FLAG_XFERBACKGROUND )
{
strcat(header, "transferMode.dlna.org: Background\r\n");
}
strcat(header, "\r\n");
if( (send_data(h, header, strlen(header)) == 0) && (h->req_command != EHead) )
{
send_data(h, (char *)data, size);
}
DPRINTF(E_INFO, L_HTTP, "Done serving %s\n", file_path);
image_free(imsrc);
image_free(imdst);
resized_error:
sqlite3_free_table(result);
#if USE_FORK
if( !newpid )
_exit(0);
#endif
}
void
SendResp_dlnafile(struct upnphttp * h, char * object)
{
char header[1500];
char hdr_buf[512];
char sql_buf[256];
char **result;
int rows, ret;
char date[30];
time_t curtime = time(NULL);
off_t total, offset, size;
sqlite_int64 id;
int sendfh;
static struct { sqlite_int64 id; char path[PATH_MAX]; char mime[32]; char dlna[64]; } last_file = { 0 };
#if USE_FORK
pid_t newpid = 0;
#endif
id = strtoll(object, NULL, 10);
if( id != last_file.id )
{
sprintf(sql_buf, "SELECT PATH, MIME, DLNA_PN from DETAILS where ID = '%lld'", id);
ret = sql_get_table(db, sql_buf, &result, &rows, NULL);
if( (ret != SQLITE_OK) )
{
DPRINTF(E_ERROR, L_HTTP, "Didn't find valid file for %lld!\n", id);
Send500(h);
return;
}
if( !rows )
{
DPRINTF(E_WARN, L_HTTP, "%s not found, responding ERROR 404\n", object);
sqlite3_free_table(result);
Send404(h);
return;
}
/* Cache the result */
last_file.id = id;
strncpy(last_file.path, result[3], sizeof(last_file.path)-1);
if( result[4] )
strncpy(last_file.mime, result[4], sizeof(last_file.mime)-1);
else
last_file.mime[0] = '\0';
if( result[5] )
snprintf(last_file.dlna, sizeof(last_file.dlna), "DLNA.ORG_PN=%s", result[5]);
else
last_file.dlna[0] = '\0';
sqlite3_free_table(result);
}
#if USE_FORK
newpid = fork();
if( newpid )
return;
#endif
DPRINTF(E_INFO, L_HTTP, "Serving DetailID: %lld [%s]\n", id, last_file.path);
if( h->reqflags & FLAG_XFERSTREAMING )
{
if( strncmp(last_file.mime, "image", 5) == 0 )
{
DPRINTF(E_WARN, L_HTTP, "Client tried to specify transferMode as Streaming with an image!\n");
Send406(h);
goto error;
}
}
else if( h->reqflags & FLAG_XFERINTERACTIVE )
{
if( h->reqflags & FLAG_REALTIMEINFO )
{
DPRINTF(E_WARN, L_HTTP, "Bad realTimeInfo flag with Interactive request!\n");
Send400(h);
goto error;
}
if( strncmp(last_file.mime, "image", 5) != 0 )
{
DPRINTF(E_WARN, L_HTTP, "Client tried to specify transferMode as Interactive without an image!\n");
/* Samsung TVs (well, at least the A950) do this for some reason,
* and I don't see them fixing this bug any time soon. */
if( h->req_client != ESamsungTV )
{
Send406(h);
goto error;
}
}
}
strftime(date, 30,"%a, %d %b %Y %H:%M:%S GMT" , gmtime(&curtime));
offset = h->req_RangeStart;
sendfh = open(last_file.path, O_RDONLY);
if( sendfh < 0 ) {
DPRINTF(E_ERROR, L_HTTP, "Error opening %s\n", last_file.path);
goto error;
}
size = lseek(sendfh, 0, SEEK_END);
lseek(sendfh, 0, SEEK_SET);
sprintf(header, "HTTP/1.1 20%c OK\r\n"
"Content-Type: %s\r\n", (h->reqflags & FLAG_RANGE ? '6' : '0'), last_file.mime);
if( h->reqflags & FLAG_RANGE )
{
if( !h->req_RangeEnd )
h->req_RangeEnd = size;
if( (h->req_RangeStart > h->req_RangeEnd) || (h->req_RangeStart < 0) )
{
DPRINTF(E_WARN, L_HTTP, "Specified range was invalid!\n");
Send400(h);
close(sendfh);
goto error;
}
if( h->req_RangeEnd > size )
{
DPRINTF(E_WARN, L_HTTP, "Specified range was outside file boundaries!\n");
Send416(h);
close(sendfh);
goto error;
}
if( h->req_RangeEnd < size )
{
total = h->req_RangeEnd - h->req_RangeStart + 1;
sprintf(hdr_buf, "Content-Length: %llu\r\n"
"Content-Range: bytes %lld-%lld/%llu\r\n",
total, h->req_RangeStart, h->req_RangeEnd, size);
}
else
{
h->req_RangeEnd = size;
total = size - h->req_RangeStart;
sprintf(hdr_buf, "Content-Length: %llu\r\n"
"Content-Range: bytes %lld-%llu/%llu\r\n",
total, h->req_RangeStart, size-1, size);
}
}
else
{
h->req_RangeEnd = size;
total = size;
sprintf(hdr_buf, "Content-Length: %llu\r\n", total);
}
strcat(header, hdr_buf);
if( h->reqflags & FLAG_XFERSTREAMING )
{
strcat(header, "transferMode.dlna.org: Streaming\r\n");
}
else if( h->reqflags & FLAG_XFERBACKGROUND )
{
if( strncmp(last_file.mime, "image", 5) == 0 )
strcat(header, "transferMode.dlna.org: Background\r\n");
}
else //if( h->reqflags & FLAG_XFERINTERACTIVE )
{
if( (strncmp(last_file.mime, "video", 5) == 0) ||
(strncmp(last_file.mime, "audio", 5) == 0) )
{
strcat(header, "transferMode.dlna.org: Streaming\r\n");
}
else
{
strcat(header, "transferMode.dlna.org: Interactive\r\n");
}
}
sprintf(hdr_buf, "Accept-Ranges: bytes\r\n"
"Connection: close\r\n"
"Date: %s\r\n"
"EXT:\r\n"
"contentFeatures.dlna.org: DLNA.ORG_PN=%s\r\n"
"Server: RAIDiator/4.1, UPnP/1.0, MiniDLNA/1.0\r\n\r\n",
date, last_file.dlna);
strcat(header, hdr_buf);
if( (send_data(h, header, strlen(header)) == 0) && (h->req_command != EHead) && (sendfh > 0) )
{
send_file(h, sendfh, offset, h->req_RangeEnd);
}
close(sendfh);
error:
#if USE_FORK
if( !newpid )
_exit(0);
#endif
}
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