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[] =
"400 Bad Request"
"Bad Request
The request is invalid"
" for this HTTP version.\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[] =
"404 Not Found"
"Not Found
The requested URL was not found"
" on this server.\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[] =
"406 Not Acceptable"
"Not Acceptable
An unsupported operation"
" was requested.\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[] =
"416 Requested Range Not Satisfiable"
"Requested Range Not Satisfiable
The requested range"
" was outside the file's size.\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[] =
"500 Internal Server Error"
"Internal Server Error
Server encountered "
"and Internal Error.\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[] =
"501 Not Implemented"
"Not Implemented
The HTTP Method "
"is not implemented by this server.\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), "",
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),
"" SERVER_NAME " " MINIDLNA_VERSION ""
""
"
" SERVER_NAME " status
"
"Audio files: %d
"
"Video files: %d
"
"Image files: %d"
"\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[] =
"Bad request";
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",
"Bad request", 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; iclientaddr.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)
{
SendResp_caption(h, HttpUrl+10);
}
else if(strcmp(HttpUrl, "/") == 0)
{
SendResp_presentation(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 unexpectedly\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;
h->req_contentlen = h->req_buflen - h->req_contentoff;
ProcessHttpQuery_upnphttp(h);
}
}
break;
case 1:
case 2:
n = recv(h->socket, buf, 2048, 0);
if(n<0)
{
DPRINTF(E_ERROR, L_HTTP, "recv (state%d): %s\n", h->state, strerror(errno));
h->state = 100;
}
else if(n==0)
{
DPRINTF(E_WARN, L_HTTP, "HTTP Connection closed unexpectedly\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)
{
/* Need the struct to point to the realloc'd memory locations */
if( h->state == 1 )
{
ParseHttpHeaders(h);
ProcessHTTPPOST_upnphttp(h);
}
else if( h->state == 2 )
{
ProcessHttpQuery_upnphttp(h);
}
}
}
break;
default:
DPRINTF(E_WARN, L_HTTP, "Unexpected state: %d\n", h->state);
}
}
/* with response code and response message
* also allocate enough memory */
void
BuildHeader_upnphttp(struct upnphttp * h, int respcode,
const char * respmsg,
int bodylen)
{
static const char httpresphead[] =
"%s %d %s\r\n"
"Content-Type: %s\r\n"
"Connection: close\r\n"
"Content-Length: %d\r\n"
"Server: " MINIDLNA_SERVER_STRING "\r\n";
time_t curtime = time(NULL);
char date[30];
int templen;
if(!h->res_buf)
{
templen = sizeof(httpresphead) + 256 + bodylen;
h->res_buf = (char *)malloc(templen);
h->res_buf_alloclen = templen;
}
h->res_buflen = snprintf(h->res_buf, h->res_buf_alloclen,
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");
}
}
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_SIDLen, h->req_SID);
}
if(h->reqflags & FLAG_LANGUAGE) {
h->res_buflen += snprintf(h->res_buf + h->res_buflen,
h->res_buf_alloclen - h->res_buflen,
"Content-Language: en\r\n");
}
strftime(date, 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", date);
h->res_buflen += snprintf(h->res_buf + h->res_buflen,
h->res_buf_alloclen - h->res_buflen,
"EXT:\r\n");
#if 0 // DLNA
h->res_buflen += snprintf(h->res_buf + h->res_buflen,
h->res_buf_alloclen - h->res_buflen,
"contentFeatures.dlna.org: \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\n", 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 flags)
{
int n;
n = send(h->socket, header, size, flags);
if(n<0)
{
DPRINTF(E_ERROR, L_HTTP, "send(res_buf): %s\n", 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;
char *buf = NULL;
#if HAVE_SENDFILE
int try_sendfile = 1;
#endif
while( offset < end_offset )
{
#if HAVE_SENDFILE
if( try_sendfile )
{
send_size = ( ((end_offset - offset) < MAX_BUFFER_SIZE) ? (end_offset - offset + 1) : MAX_BUFFER_SIZE);
ret = sys_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 sendfile isn't supported on the filesystem, don't bother trying to use it again. */
if( errno == EOVERFLOW || errno == EINVAL )
try_sendfile = 0;
else if( errno != EAGAIN )
break;
}
else
{
//DPRINTF(E_DEBUG, L_HTTP, "sent %lld bytes to %d. offset is now %lld.\n", ret, h->socket, offset);
continue;
}
}
#endif
/* Fall back to regular I/O */
if( !buf )
buf = malloc(MIN_BUFFER_SIZE);
send_size = ( ((end_offset - offset) < MIN_BUFFER_SIZE) ? (end_offset - offset + 1) : MIN_BUFFER_SIZE);
lseek(sendfd, offset, SEEK_SET);
ret = read(sendfd, buf, send_size);
if( ret == -1 ) {
DPRINTF(E_DEBUG, L_HTTP, "read error :: error no. %d [%s]\n", errno, strerror(errno));
if( errno != EAGAIN )
break;
}
ret = write(h->socket, buf, ret);
if( ret == -1 ) {
DPRINTF(E_DEBUG, L_HTTP, "write error :: error no. %d [%s]\n", errno, strerror(errno));
if( errno != EAGAIN )
break;
}
offset+=ret;
}
free(buf);
}
void
SendResp_icon(struct upnphttp * h, char * icon)
{
char header[512];
char mime[12] = "image/";
char date[30];
char *data;
int size, ret;
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+6, "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+6, "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+6, "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+6, "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));
ret = snprintf(header, sizeof(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: " MINIDLNA_SERVER_STRING "\r\n\r\n",
mime, size, date);
if( send_data(h, header, ret, MSG_MORE) == 0 )
{
if( h->req_command != EHead )
send_data(h, data, size, 0);
}
CloseSocket_upnphttp(h);
}
void
SendResp_albumArt(struct upnphttp * h, char * object)
{
char header[512];
char *path;
char *dash;
char date[30];
time_t curtime = time(NULL);
off_t size;
int fd;
int ret;
if( h->reqflags & (FLAG_XFERSTREAMING|FLAG_RANGE) )
{
DPRINTF(E_WARN, L_HTTP, "Client tried to specify transferMode as Streaming with an image!\n");
Send406(h);
return;
}
dash = strchr(object, '-');
if( dash )
*dash = '\0';
path = sql_get_text_field(db, "SELECT PATH from ALBUM_ART where ID = '%s'", object);
if( !path )
{
DPRINTF(E_WARN, L_HTTP, "ALBUM_ART ID %s not found, responding ERROR 404\n", object);
Send404(h);
return;
}
DPRINTF(E_INFO, L_HTTP, "Serving album art ID: %s [%s]\n", object, path);
fd = open(path, O_RDONLY);
if( fd < 0 ) {
DPRINTF(E_ERROR, L_HTTP, "Error opening %s\n", path);
sqlite3_free(path);
Send404(h);
return;
}
sqlite3_free(path);
size = lseek(fd, 0, SEEK_END);
lseek(fd, 0, SEEK_SET);
strftime(date, 30,"%a, %d %b %Y %H:%M:%S GMT" , gmtime(&curtime));
ret = snprintf(header, sizeof(header), "HTTP/1.1 200 OK\r\n"
"Content-Type: image/jpeg\r\n"
"Content-Length: %jd\r\n"
"Connection: close\r\n"
"Date: %s\r\n"
"EXT:\r\n"
"realTimeInfo.dlna.org: DLNA.ORG_TLAG=*\r\n"
"contentFeatures.dlna.org: DLNA.ORG_PN=JPEG_TN\r\n"
"Server: " MINIDLNA_SERVER_STRING "\r\n"
"transferMode.dlna.org: Interactive\r\n\r\n",
(intmax_t)size, date);
if( send_data(h, header, ret, MSG_MORE) == 0 )
{
if( h->req_command != EHead )
send_file(h, fd, 0, size-1);
}
close(fd);
CloseSocket_upnphttp(h);
}
void
SendResp_caption(struct upnphttp * h, char * object)
{
char header[512];
char *path;
char date[30];
time_t curtime = time(NULL);
off_t size;
int fd, ret;
strip_ext(object);
path = sql_get_text_field(db, "SELECT PATH from CAPTIONS where ID = %s", object);
if( !path )
{
DPRINTF(E_WARN, L_HTTP, "CAPTION ID %s not found, responding ERROR 404\n", object);
Send404(h);
return;
}
DPRINTF(E_INFO, L_HTTP, "Serving caption ID: %s [%s]\n", object, path);
fd = open(path, O_RDONLY);
if( fd < 0 ) {
DPRINTF(E_ERROR, L_HTTP, "Error opening %s\n", path);
sqlite3_free(path);
Send404(h);
return;
}
sqlite3_free(path);
size = lseek(fd, 0, SEEK_END);
lseek(fd, 0, SEEK_SET);
strftime(date, 30,"%a, %d %b %Y %H:%M:%S GMT" , gmtime(&curtime));
ret = snprintf(header, sizeof(header), "HTTP/1.1 200 OK\r\n"
"Content-Type: smi/caption\r\n"
"Content-Length: %jd\r\n"
"Connection: close\r\n"
"Date: %s\r\n"
"EXT:\r\n"
"Server: " MINIDLNA_SERVER_STRING "\r\n\r\n",
(intmax_t)size, date);
if( send_data(h, header, ret, MSG_MORE) == 0 )
{
if( h->req_command != EHead )
send_file(h, fd, 0, size-1);
}
close(fd);
CloseSocket_upnphttp(h);
}
void
SendResp_thumbnail(struct upnphttp * h, char * object)
{
char header[512];
char *path;
char date[30];
time_t curtime = time(NULL);
int ret;
ExifData *ed;
ExifLoader *l;
if( h->reqflags & (FLAG_XFERSTREAMING|FLAG_RANGE) )
{
DPRINTF(E_WARN, L_HTTP, "Client tried to specify transferMode as Streaming with an image!\n");
Send406(h);
return;
}
strip_ext(object);
path = sql_get_text_field(db, "SELECT PATH from DETAILS where ID = '%s'", object);
if( !path )
{
DPRINTF(E_WARN, L_HTTP, "DETAIL ID %s not found, responding ERROR 404\n", object);
Send404(h);
return;
}
DPRINTF(E_INFO, L_HTTP, "Serving thumbnail for ObjectId: %s [%s]\n", object, path);
if( access(path, F_OK) != 0 )
{
DPRINTF(E_ERROR, L_HTTP, "Error accessing %s\n", path);
sqlite3_free(path);
return;
}
l = exif_loader_new();
exif_loader_write_file(l, path);
ed = exif_loader_get_data(l);
exif_loader_unref(l);
sqlite3_free(path);
if( !ed || !ed->size )
{
Send404(h);
if( ed )
exif_data_unref(ed);
return;
}
strftime(date, 30,"%a, %d %b %Y %H:%M:%S GMT" , gmtime(&curtime));
ret = snprintf(header, sizeof(header), "HTTP/1.1 200 OK\r\n"
"Content-Type: image/jpeg\r\n"
"Content-Length: %jd\r\n"
"Connection: close\r\n"
"Date: %s\r\n"
"EXT:\r\n"
"realTimeInfo.dlna.org: DLNA.ORG_TLAG=*\r\n"
"contentFeatures.dlna.org: DLNA.ORG_PN=JPEG_TN;DLNA.ORG_CI=1\r\n"
"Server: " MINIDLNA_SERVER_STRING "\r\n"
"transferMode.dlna.org: Interactive\r\n\r\n",
(intmax_t)ed->size, date);
if( send_data(h, header, ret, MSG_MORE) == 0 )
{
if( h->req_command != EHead )
send_data(h, (char *)ed->data, ed->size, 0);
}
exif_data_unref(ed);
CloseSocket_upnphttp(h);
}
void
SendResp_resizedimg(struct upnphttp * h, char * object)
{
char header[512];
char buf[128];
struct string_s str;
char **result;
char date[30];
char dlna_pn[22];
uint32_t dlna_flags = DLNA_FLAG_DLNA_V1_5|DLNA_FLAG_HTTP_STALLING|DLNA_FLAG_TM_B|DLNA_FLAG_TM_I;
time_t curtime = time(NULL);
int width=640, height=480, dstw, dsth, size;
int srcw, srch;
unsigned char * data = NULL;
char *path, *file_path;
char *resolution;
char *key, *val;
char *saveptr, *item=NULL;
int rotate;
/* Not implemented yet *
char *pixelshape=NULL; */
sqlite_int64 id;
int rows=0, chunked, ret;
image_s *imsrc = NULL, *imdst = NULL;
int scale = 1;
id = strtoll(object, &saveptr, 10);
snprintf(buf, sizeof(buf), "SELECT PATH, RESOLUTION, ROTATION from DETAILS where ID = '%lld'", id);
ret = sql_get_table(db, 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;
}
file_path = result[3];
resolution = result[4];
rotate = result[5] ? atoi(result[5]) : 0;
if( !rows || !file_path || !resolution || (access(file_path, F_OK) != 0) )
{
DPRINTF(E_WARN, L_HTTP, "%s not found, responding ERROR 404\n", object);
sqlite3_free_table(result);
Send404(h);
return;
}
if( saveptr )
saveptr = strchr(saveptr, '?');
path = saveptr ? saveptr + 1 : object;
for( item = strtok_r(path, "&,", &saveptr); item != NULL; item = strtok_r(NULL, "&,", &saveptr) )
{
#ifdef TIVO_SUPPORT
decodeString(item, 1);
#endif
val = item;
key = strsep(&val, "=");
if( !val )
continue;
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 )
{
rotate = (rotate + atoi(val)) % 360;
sql_exec(db, "UPDATE DETAILS set ROTATION = %d where ID = %lld", rotate, id);
}
/* Not implemented yet *
else if( strcasecmp(key, "pixelshape") == 0 )
{
pixelshape = val;
} */
}
#if USE_FORK
pid_t newpid = 0;
newpid = fork();
if( newpid )
{
CloseSocket_upnphttp(h);
goto resized_error;
}
#endif
if( h->reqflags & (FLAG_XFERSTREAMING|FLAG_RANGE) )
{
DPRINTF(E_WARN, L_HTTP, "Client tried to specify transferMode as Streaming with an image!\n");
Send406(h);
goto resized_error;
}
DPRINTF(E_INFO, L_HTTP, "Serving resized image for ObjectId: %lld [%s]\n", id, file_path);
switch( rotate )
{
case 90:
ret = sscanf(resolution, "%dx%d", &srch, &srcw);
rotate = ROTATE_90;
break;
case 270:
ret = sscanf(resolution, "%dx%d", &srch, &srcw);
rotate = ROTATE_270;
break;
case 180:
ret = sscanf(resolution, "%dx%d", &srcw, &srch);
rotate = ROTATE_180;
break;
default:
ret = sscanf(resolution, "%dx%d", &srcw, &srch);
rotate = ROTATE_NONE;
break;
}
if( ret != 2 )
{
Send500(h);
return;
}
/* Figure out the best destination resolution we can use */
dstw = width;
dsth = ((((width<<10)/srcw)*srch)>>10);
if( dsth > height )
{
dsth = height;
dstw = (((height<<10)/srch) * srcw>>10);
}
if( dstw <= 640 && dsth <= 480 )
strcpy(dlna_pn, "DLNA.ORG_PN=JPEG_SM;");
else if( dstw <= 1024 && dsth <= 768 )
strcpy(dlna_pn, "DLNA.ORG_PN=JPEG_MED;");
else
strcpy(dlna_pn, "DLNA.ORG_PN=JPEG_LRG;");
if( srcw>>4 >= dstw && srch>>4 >= dsth)
scale = 8;
else if( srcw>>3 >= dstw && srch>>3 >= dsth )
scale = 4;
else if( srcw>>2 >= dstw && srch>>2 >= dsth )
scale = 2;
str.data = header;
str.size = sizeof(header);
str.off = 0;
strftime(date, 30,"%a, %d %b %Y %H:%M:%S GMT" , gmtime(&curtime));
strcatf(&str, "HTTP/1.1 200 OK\r\n"
"Content-Type: image/jpeg\r\n"
"Connection: close\r\n"
"Date: %s\r\n"
"EXT:\r\n"
"realTimeInfo.dlna.org: DLNA.ORG_TLAG=*\r\n"
"contentFeatures.dlna.org: %sDLNA.ORG_CI=%X;DLNA.ORG_FLAGS=%08X%024X\r\n"
"Server: " MINIDLNA_SERVER_STRING "\r\n",
date, dlna_pn, 1, dlna_flags, 0);
#if USE_FORK
if( (h->reqflags & FLAG_XFERBACKGROUND) && (setpriority(PRIO_PROCESS, 0, 19) == 0) )
strcatf(&str, "transferMode.dlna.org: Background\r\n");
else
#endif
strcatf(&str, "transferMode.dlna.org: Interactive\r\n");
if( strcmp(h->HttpVer, "HTTP/1.0") == 0 )
{
chunked = 0;
imsrc = image_new_from_jpeg(file_path, 1, NULL, 0, scale, rotate);
}
else
{
chunked = 1;
strcatf(&str, "Transfer-Encoding: chunked\r\n\r\n");
}
if( !chunked )
{
if( !imsrc )
{
DPRINTF(E_WARN, L_HTTP, "Unable to open image %s!\n", file_path);
Send500(h);
goto resized_error;
}
imdst = image_resize(imsrc, dstw, dsth);
data = image_save_to_jpeg_buf(imdst, &size);
strcatf(&str, "Content-Length: %d\r\n\r\n", size);
}
if( (send_data(h, str.data, str.off, 0) == 0) && (h->req_command != EHead) )
{
if( chunked )
{
imsrc = image_new_from_jpeg(file_path, 1, NULL, 0, scale, rotate);
if( !imsrc )
{
DPRINTF(E_WARN, L_HTTP, "Unable to open image %s!\n", file_path);
Send500(h);
goto resized_error;
}
imdst = image_resize(imsrc, dstw, dsth);
data = image_save_to_jpeg_buf(imdst, &size);
ret = sprintf(buf, "%x\r\n", size);
send_data(h, buf, ret, MSG_MORE);
send_data(h, (char *)data, size, MSG_MORE);
send_data(h, "\r\n0\r\n\r\n", 7, 0);
}
else
{
send_data(h, (char *)data, size, 0);
}
}
DPRINTF(E_INFO, L_HTTP, "Done serving %s\n", file_path);
if( imsrc )
image_free(imsrc);
if( imdst )
image_free(imdst);
CloseSocket_upnphttp(h);
resized_error:
sqlite3_free_table(result);
#if USE_FORK
if( !newpid )
_exit(0);
#endif
}
void
SendResp_dlnafile(struct upnphttp * h, char * object)
{
char header[1024];
struct string_s str;
char buf[128];
char **result;
int rows, ret;
char date[30];
time_t curtime = time(NULL);
off_t total, offset, size;
sqlite_int64 id;
int sendfh;
uint32_t dlna_flags = DLNA_FLAG_DLNA_V1_5|DLNA_FLAG_HTTP_STALLING|DLNA_FLAG_TM_B;
static struct { sqlite_int64 id;
enum client_types client;
char path[PATH_MAX];
char mime[32];
char dlna[96];
} last_file = { 0, 0 };
#if USE_FORK
pid_t newpid = 0;
#endif
id = strtoll(object, NULL, 10);
if( h->reqflags & FLAG_MS_PFS )
{
if( strstr(object, "?albumArt=true") )
{
char *art;
art = sql_get_text_field(db, "SELECT ALBUM_ART from DETAILS where ID = '%lld'", id);
SendResp_albumArt(h, art);
sqlite3_free(art);
return;
}
}
if( id != last_file.id || h->req_client != last_file.client )
{
snprintf(buf, sizeof(buf), "SELECT PATH, MIME, DLNA_PN from DETAILS where ID = '%lld'", id);
ret = sql_get_table(db, 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 || !result[3] || !result[4] )
{
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;
last_file.client = h->req_client;
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);
/* From what I read, Samsung TV's expect a [wrong] MIME type of x-mkv. */
if( h->reqflags & FLAG_SAMSUNG )
{
if( strcmp(last_file.mime+6, "x-matroska") == 0 )
strcpy(last_file.mime+8, "mkv");
/* Samsung TV's such as the A750 can natively support many
Xvid/DivX AVI's however, the DLNA server needs the
mime type to say video/mpeg */
else if( h->req_client == ESamsungSeriesA &&
strcmp(last_file.mime+6, "x-msvideo") == 0 )
strcpy(last_file.mime+6, "mpeg");
}
/* ... and Sony BDP-S370 won't play MKV unless we pretend it's a DiVX file */
else if( h->req_client == ESonyBDP )
{
if( strcmp(last_file.mime+6, "x-matroska") == 0 ||
strcmp(last_file.mime+6, "mpeg") == 0 )
strcpy(last_file.mime+6, "divx");
}
}
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 )
{
CloseSocket_upnphttp(h);
goto error;
}
#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->reqflags & FLAG_SAMSUNG) || GETFLAG(DLNA_STRICT_MASK) )
{
Send406(h);
goto error;
}
}
}
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);
Send404(h);
goto error;
}
size = lseek(sendfh, 0, SEEK_END);
lseek(sendfh, 0, SEEK_SET);
str.data = header;
str.size = sizeof(header);
str.off = 0;
strcatf(&str, "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 )
{
h->req_RangeEnd = size - 1;
}
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;
}
total = h->req_RangeEnd - h->req_RangeStart + 1;
strcatf(&str, "Content-Length: %jd\r\n"
"Content-Range: bytes %jd-%jd/%jd\r\n",
(intmax_t)total, (intmax_t)h->req_RangeStart,
(intmax_t)h->req_RangeEnd, (intmax_t)size);
}
else
{
h->req_RangeEnd = size - 1;
total = size;
strcatf(&str, "Content-Length: %jd\r\n", (intmax_t)total);
}
#if USE_FORK
if( (h->reqflags & FLAG_XFERBACKGROUND) && (setpriority(PRIO_PROCESS, 0, 19) == 0) )
strcatf(&str, "transferMode.dlna.org: Background\r\n");
else
#endif
if( strncmp(last_file.mime, "image", 5) == 0 )
strcatf(&str, "transferMode.dlna.org: Interactive\r\n");
else
strcatf(&str, "transferMode.dlna.org: Streaming\r\n");
switch( *last_file.mime )
{
case 'i':
dlna_flags |= DLNA_FLAG_TM_I;
break;
case 'a':
case 'v':
default:
dlna_flags |= DLNA_FLAG_TM_S;
break;
}
if( h->reqflags & FLAG_CAPTION )
{
if( sql_get_int_field(db, "SELECT ID from CAPTIONS where ID = '%lld'", id) > 0 )
strcatf(&str, "CaptionInfo.sec: http://%s:%d/Captions/%lld.srt\r\n",
lan_addr[h->iface].str, runtime_vars.port, id);
}
strftime(date, 30,"%a, %d %b %Y %H:%M:%S GMT" , gmtime(&curtime));
strcatf(&str, "Accept-Ranges: bytes\r\n"
"Connection: close\r\n"
"Date: %s\r\n"
"EXT:\r\n"
"realTimeInfo.dlna.org: DLNA.ORG_TLAG=*\r\n"
"contentFeatures.dlna.org: %sDLNA.ORG_OP=%02X;DLNA.ORG_CI=%X;DLNA.ORG_FLAGS=%08X%024X\r\n"
"Server: " MINIDLNA_SERVER_STRING "\r\n\r\n",
date, last_file.dlna, 1, 0, dlna_flags, 0);
//DEBUG DPRINTF(E_DEBUG, L_HTTP, "RESPONSE: %s\n", str.data);
if( send_data(h, str.data, str.off, MSG_MORE) == 0 )
{
if( h->req_command != EHead )
send_file(h, sendfh, offset, h->req_RangeEnd);
}
close(sendfh);
CloseSocket_upnphttp(h);
error:
#if USE_FORK
if( !newpid )
_exit(0);
#endif
return;
}