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* Improve error checking for DLNA CTT compliance.

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This commit is contained in:
Justin Maggard 2012-02-13 23:03:42 +00:00
parent a40b085d07
commit 996b373f83
1 changed files with 35 additions and 29 deletions
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64
upnphttp.c
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@ -248,12 +248,12 @@ ParseHttpHeaders(struct upnphttp * h)
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". */
/* 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;
@ -444,6 +444,14 @@ intervening space) by either an integer or the keyword "infinite". */
{
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;
@ -685,7 +693,7 @@ SendResp_presentation(struct upnphttp * h)
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 "</TITLE></HEAD>"
"<HTML><HEAD><TITLE>" SERVER_NAME " " MINIDLNA_VERSION "</TITLE></HEAD>"
"<BODY><div style=\"text-align: center\">"
"<h3>" SERVER_NAME " status</h3>"
"Audio files: %d<br>"
@ -740,15 +748,8 @@ ProcessHTTPSubscribe_upnphttp(struct upnphttp * h, const char * 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_NT) {
static const char err400str[] =
"<html><body>Bad request</body></html>";
BuildResp2_upnphttp(h, 400, "Bad Request",
err400str, sizeof(err400str) - 1);
SendResp_upnphttp(h);
CloseSocket_upnphttp(h);
} else if((!h->req_Callback && !h->req_SID) ||
strncmp(h->req_NT, "upnp:event", h->req_NTLen) != 0) {
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*/
@ -759,18 +760,23 @@ ProcessHTTPSubscribe_upnphttp(struct upnphttp * h, const char * path)
/* - add to the subscriber list
* - respond HTTP/x.x 200 OK
* - Send the initial event message */
/* Server:, SID:; Timeout: Second-(xx|infinite) */
/* 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);
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);
}
BuildResp_upnphttp(h, 0, 0);
} else {
/* subscription renew */
/* Invalid SID
@ -1589,14 +1595,15 @@ SendResp_resizedimg(struct upnphttp * h, char * object)
if( saveptr )
saveptr = strchr(saveptr, '?');
path = saveptr ? saveptr + 1 : object;
item = strtok_r(path, "&,", &saveptr);
while( item != NULL )
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 )
{
@ -1616,7 +1623,6 @@ SendResp_resizedimg(struct upnphttp * h, char * object)
{
pixelshape = val;
} */
item = strtok_r(NULL, "&,", &saveptr);
}
#if USE_FORK