void HTTP_Stream::parseICYStream(const UInt8 *buf, const CFIndex bufSize)
{
HS_TRACE("Parsing an IceCast stream, received %li bytes\n", bufSize);
CFIndex offset = 0;
CFIndex bytesFound = 0;
if (!m_icyHeadersRead) {
HS_TRACE("ICY headers not read, reading\n");
for (; offset < bufSize; offset++) {
if (m_icyHeaderCR && buf[offset] == '\n') {
if (bytesFound > 0) {
m_icyHeaderLines.push_back(createMetaDataStringWithMostReasonableEncoding(&buf[offset-bytesFound-1], bytesFound));
bytesFound = 0;
HS_TRACE_CFSTRING(m_icyHeaderLines[m_icyHeaderLines.size()-1]);
continue;
}
HS_TRACE("End of ICY headers\n");
m_icyHeadersRead = true;
break;
}
if (buf[offset] == '\r') {
m_icyHeaderCR = true;
continue;
} else {
m_icyHeaderCR = false;
}
bytesFound++;
}
} else if (!m_icyHeadersParsed) {
HS_TRACE("ICY headers not parsed, parsing\n");
const CFStringRef icyContentTypeHeader = CFSTR("content-type:");
const CFStringRef icyMetaDataHeader = CFSTR("icy-metaint:");
const CFStringRef icyNameHeader = CFSTR("icy-name:");
const CFIndex icyContenTypeHeaderLength = CFStringGetLength(icyContentTypeHeader);
const CFIndex icyMetaDataHeaderLength = CFStringGetLength(icyMetaDataHeader);
const CFIndex icyNameHeaderLength = CFStringGetLength(icyNameHeader);
for (std::vector<CFStringRef>::iterator h = m_icyHeaderLines.begin(); h != m_icyHeaderLines.end(); ++h) {
CFStringRef line = *h;
const CFIndex lineLength = CFStringGetLength(line);
if (lineLength == 0) {
continue;
}
HS_TRACE_CFSTRING(line);
if (CFStringCompareWithOptions(line,
icyContentTypeHeader,
CFRangeMake(0, icyContenTypeHeaderLength),
0) == kCFCompareEqualTo) {
if (m_contentType) {
CFRelease(m_contentType), m_contentType = 0;
}
m_contentType = CFStringCreateWithSubstring(kCFAllocatorDefault,
line,
CFRangeMake(icyContenTypeHeaderLength, lineLength - icyContenTypeHeaderLength));
}
if (CFStringCompareWithOptions(line,
icyMetaDataHeader,
CFRangeMake(0, icyMetaDataHeaderLength),
0) == kCFCompareEqualTo) {
CFStringRef metadataInterval = CFStringCreateWithSubstring(kCFAllocatorDefault,
line,
CFRangeMake(icyMetaDataHeaderLength, lineLength - icyMetaDataHeaderLength));
if (metadataInterval) {
m_icyMetaDataInterval = CFStringGetIntValue(metadataInterval);
CFRelease(metadataInterval);
} else {
m_icyMetaDataInterval = 0;
}
}
if (CFStringCompareWithOptions(line,
icyNameHeader,
CFRangeMake(0, icyNameHeaderLength),
0) == kCFCompareEqualTo) {
if (m_icyName) {
CFRelease(m_icyName);
}
m_icyName = CFStringCreateWithSubstring(kCFAllocatorDefault,
line,
CFRangeMake(icyNameHeaderLength, lineLength - icyNameHeaderLength));
}
}
m_icyHeadersParsed = true;
offset++;
if (m_delegate) {
m_delegate->streamIsReadyRead();
}
}
Stream_Configuration *config = Stream_Configuration::configuration();
if (!m_icyReadBuffer) {
m_icyReadBuffer = new UInt8[config->httpConnectionBufferSize];
}
HS_TRACE("Reading ICY stream for playback\n");
UInt32 i=0;
for (; offset < bufSize; offset++) {
// is this a metadata byte?
if (m_metaDataBytesRemaining > 0) {
m_metaDataBytesRemaining--;
if (m_metaDataBytesRemaining == 0) {
m_dataByteReadCount = 0;
if (m_delegate && !m_icyMetaData.empty()) {
std::map<CFStringRef,CFStringRef> metadataMap;
CFStringRef metaData = createMetaDataStringWithMostReasonableEncoding(&m_icyMetaData[0],
m_icyMetaData.size());
if (!metaData) {
// Metadata encoding failed, cannot parse.
m_icyMetaData.clear();
continue;
}
CFArrayRef tokens = CFStringCreateArrayBySeparatingStrings(kCFAllocatorDefault,
metaData,
CFSTR(";"));
for (CFIndex i=0, max=CFArrayGetCount(tokens); i < max; i++) {
CFStringRef token = (CFStringRef) CFArrayGetValueAtIndex(tokens, i);
CFRange foundRange;
if (CFStringFindWithOptions(token,
CFSTR("='"),
CFRangeMake(0, CFStringGetLength(token)),
NULL,
&foundRange) == true) {
CFRange keyRange = CFRangeMake(0, foundRange.location);
CFStringRef metadaKey = CFStringCreateWithSubstring(kCFAllocatorDefault,
token,
keyRange);
CFRange valueRange = CFRangeMake(foundRange.location + 2, CFStringGetLength(token) - keyRange.length - 3);
CFStringRef metadaValue = CFStringCreateWithSubstring(kCFAllocatorDefault,
token,
valueRange);
metadataMap[metadaKey] = metadaValue;
}
}
CFRelease(tokens);
CFRelease(metaData);
if (m_icyName) {
metadataMap[CFSTR("IcecastStationName")] = CFStringCreateCopy(kCFAllocatorDefault, m_icyName);
}
m_delegate->streamMetaDataAvailable(metadataMap);
}
m_icyMetaData.clear();
continue;
}
m_icyMetaData.push_back(buf[offset]);
continue;
}
// is this the interval byte?
if (m_icyMetaDataInterval > 0 && m_dataByteReadCount == m_icyMetaDataInterval) {
m_metaDataBytesRemaining = buf[offset] * 16;
if (m_metaDataBytesRemaining == 0) {
m_dataByteReadCount = 0;
}
continue;
}
// a data byte
m_dataByteReadCount++;
m_icyReadBuffer[i++] = buf[offset];
}
if (m_delegate && i > 0) {
m_delegate->streamHasBytesAvailable(m_icyReadBuffer, i);
}
}
void HTTP_Stream::readCallBack(CFReadStreamRef stream, CFStreamEventType eventType, void *clientCallBackInfo)
{
HTTP_Stream *THIS = static_cast<HTTP_Stream*>(clientCallBackInfo);
Stream_Configuration *config = Stream_Configuration::configuration();
CFStringRef reportedNetworkError = NULL;
switch (eventType) {
case kCFStreamEventHasBytesAvailable: {
if (!THIS->m_httpReadBuffer) {
THIS->m_httpReadBuffer = new UInt8[config->httpConnectionBufferSize];
}
while (CFReadStreamHasBytesAvailable(stream)) {
if (!THIS->m_scheduledInRunLoop) {
/*
* This is critical - though the stream has data available,
* do not try to feed the audio queue with data, if it has
* indicated that it doesn't want more data due to buffers
* full.
*/
THIS->m_readPending = true;
break;
}
CFIndex bytesRead = CFReadStreamRead(stream, THIS->m_httpReadBuffer, config->httpConnectionBufferSize);
if (CFReadStreamGetStatus(stream) == kCFStreamStatusError ||
bytesRead < 0) {
CFErrorRef streamError = CFReadStreamCopyError(stream);
if (streamError) {
CFStringRef errorDesc = CFErrorCopyDescription(streamError);
if (errorDesc) {
reportedNetworkError = CFStringCreateCopy(kCFAllocatorDefault, errorDesc);
CFRelease(errorDesc);
}
CFRelease(streamError);
}
if (THIS->m_delegate) {
THIS->m_delegate->streamErrorOccurred(reportedNetworkError);
if (reportedNetworkError) {
CFRelease(reportedNetworkError), reportedNetworkError = NULL;
}
}
break;
}
if (bytesRead > 0) {
HS_TRACE("Read %li bytes\n", bytesRead);
THIS->parseHttpHeadersIfNeeded(THIS->m_httpReadBuffer, bytesRead);
#ifdef INCLUDE_ID3TAG_SUPPORT
if (!THIS->m_icyStream && THIS->m_id3Parser->wantData()) {
THIS->m_id3Parser->feedData(THIS->m_httpReadBuffer, (UInt32)bytesRead);
}
#endif
if (THIS->m_icyStream) {
HS_TRACE("Parsing ICY stream\n");
THIS->parseICYStream(THIS->m_httpReadBuffer, bytesRead);
} else {
if (THIS->m_delegate) {
HS_TRACE("Not an ICY stream; calling the delegate back\n");
THIS->m_delegate->streamHasBytesAvailable(THIS->m_httpReadBuffer, (UInt32)bytesRead);
}
}
}
}
if (reportedNetworkError) {
CFRelease(reportedNetworkError), reportedNetworkError = NULL;
}
break;
}
case kCFStreamEventEndEncountered: {
if (THIS->m_delegate) {
THIS->m_delegate->streamEndEncountered();
}
break;
}
case kCFStreamEventErrorOccurred: {
if (THIS->m_delegate) {
CFStringRef reportedNetworkError = NULL;
CFErrorRef streamError = CFReadStreamCopyError(stream);
if (streamError) {
CFStringRef errorDesc = CFErrorCopyDescription(streamError);
if (errorDesc) {
reportedNetworkError = CFStringCreateCopy(kCFAllocatorDefault, errorDesc);
CFRelease(errorDesc);
}
CFRelease(streamError);
}
THIS->m_delegate->streamErrorOccurred(reportedNetworkError);
if (reportedNetworkError) {
CFRelease(reportedNetworkError);
}
}
break;
}
}
}
void APSetHash(CFStringRef newHash)
{
if (hash != NULL)
CFRelease(hash);
hash = CFStringCreateCopy(kCFAllocatorDefault, newHash);
}
void HTTP_Stream::parseHttpHeadersIfNeeded(const UInt8 *buf, const CFIndex bufSize)
{
if (m_httpHeadersParsed) {
return;
}
m_httpHeadersParsed = true;
/* If the response has the "ICY 200 OK" string,
* we are dealing with the ShoutCast protocol.
* The HTTP headers won't be available.
*/
if (bufSize >= 10 &&
buf[0] == 0x49 && buf[1] == 0x43 && buf[2] == 0x59 &&
buf[3] == 0x20 && buf[4] == 0x32 && buf[5] == 0x30 &&
buf[6] == 0x30 && buf[7] == 0x20 && buf[8] == 0x4F &&
buf[9] == 0x4B) {
m_icyStream = true;
HS_TRACE("Detected an IceCast stream\n");
// This is an ICY stream, don't try to parse the HTTP headers
return;
}
HS_TRACE("A regular HTTP stream\n");
CFHTTPMessageRef response = (CFHTTPMessageRef)CFReadStreamCopyProperty(m_readStream, kCFStreamPropertyHTTPResponseHeader);
if (response) {
/*
* If the server responded with the icy-metaint header, the response
* body will be encoded in the ShoutCast protocol.
*/
CFStringRef icyMetaIntString = CFHTTPMessageCopyHeaderFieldValue(response, CFSTR("icy-metaint"));
if (icyMetaIntString) {
m_icyStream = true;
m_icyHeadersParsed = true;
m_icyHeadersRead = true;
m_icyMetaDataInterval = CFStringGetIntValue(icyMetaIntString);
CFRelease(icyMetaIntString);
}
HS_TRACE("icy-metaint: %zu\n", m_icyMetaDataInterval);
CFStringRef icyNameString = CFHTTPMessageCopyHeaderFieldValue(response, CFSTR("icy-name"));
if (icyNameString) {
if (m_icyName) {
CFRelease(m_icyName);
}
m_icyName = icyNameString;
if (m_delegate) {
std::map<CFStringRef,CFStringRef> metadataMap;
metadataMap[CFSTR("IcecastStationName")] = CFStringCreateCopy(kCFAllocatorDefault, m_icyName);
m_delegate->streamMetaDataAvailable(metadataMap);
}
}
if (m_contentType) {
CFRelease(m_contentType);
}
m_contentType = CFHTTPMessageCopyHeaderFieldValue(response, CFSTR("Content-Type"));
HS_TRACE("Content-type: ");
HS_TRACE_CFSTRING(m_contentType);
CFStringRef contentLengthString = CFHTTPMessageCopyHeaderFieldValue(response, CFSTR("Content-Length"));
if (contentLengthString) {
m_contentLength = CFStringGetIntValue(contentLengthString);
CFRelease(contentLengthString);
}
CFRelease(response);
}
if (m_delegate) {
m_delegate->streamIsReadyRead();
}
}
CFStringRef APHash(void)
{
return CFStringCreateCopy(kCFAllocatorDefault, hash);
}
Boolean
SCBondInterfaceSetLocalizedDisplayName(SCBondInterfaceRef bond, CFStringRef newName)
{
SCNetworkInterfacePrivateRef interfacePrivate = (SCNetworkInterfacePrivateRef)bond;
Boolean ok = TRUE;
if (!isA_SCBondInterface(bond)) {
_SCErrorSet(kSCStatusInvalidArgument);
return FALSE;
}
if ((newName != NULL) && !isA_CFString(newName)) {
_SCErrorSet(kSCStatusInvalidArgument);
return FALSE;
}
// set name in the stored preferences
if (interfacePrivate->prefs != NULL) {
CFDictionaryRef dict;
CFMutableDictionaryRef newDict;
CFStringRef path;
path = CFStringCreateWithFormat(NULL,
NULL,
CFSTR("/%@/%@/%@"),
kSCPrefVirtualNetworkInterfaces,
kSCNetworkInterfaceTypeBond,
interfacePrivate->entity_device);
dict = SCPreferencesPathGetValue(interfacePrivate->prefs, path);
if (!isA_CFDictionary(dict)) {
// if the prefs are confused
CFRelease(path);
_SCErrorSet(kSCStatusFailed);
return FALSE;
}
newDict = CFDictionaryCreateMutableCopy(NULL, 0, dict);
if (newName != NULL) {
CFDictionarySetValue(newDict, kSCPropUserDefinedName, newName);
} else {
CFDictionaryRemoveValue(newDict, kSCPropUserDefinedName);
}
if (!CFEqual(dict, newDict)) {
ok = SCPreferencesPathSetValue(interfacePrivate->prefs, path, newDict);
}
CFRelease(newDict);
CFRelease(path);
}
// set name in the SCBondInterfaceRef
if (ok) {
if (interfacePrivate->localized_name != NULL) {
CFRelease(interfacePrivate->localized_name);
interfacePrivate->localized_name = NULL;
}
if (newName != NULL) {
interfacePrivate->localized_name = CFStringCreateCopy(NULL, newName);
}
}
return ok;
}
SOSErrorCreate(kSOSErrorBadSignature, error, NULL,
CFSTR("Signature didn't verify for %@"), peer));
result = true;
error_out:
CFReleaseNull(pubKey);
return result;
}
static SOSPeerInfoRef SOSPeerInfoCreate_Internal(CFAllocatorRef allocator, CFDictionaryRef gestalt, SecKeyRef signingKey, CFErrorRef* error, void (^ description_modifier)(CFMutableDictionaryRef description)) {
SOSPeerInfoRef pi = CFTypeAllocate(SOSPeerInfo, struct __OpaqueSOSPeerInfo, allocator);
pi->gestalt = gestalt;
CFRetain(pi->gestalt);
pi->version = SOSPeerInfoGetPeerProtocolVersion(pi);
pi->transportType = CFStringCreateCopy(kCFAllocatorDefault, CFSTR("KVS"));
CFDataRef publicBytes = NULL;
CFNumberRef versionNumber = NULL;
SecKeyRef publicKey = SecKeyCreatePublicFromPrivate(signingKey);
if (publicKey == NULL) {
SOSCreateError(kSOSErrorBadKey, CFSTR("Unable to get public"), NULL, error);
CFReleaseNull(pi);
goto exit;
}
OSStatus result = SecKeyCopyPublicBytes(publicKey, &publicBytes);
if (result != errSecSuccess) {
SOSCreateError(kSOSErrorBadKey, CFSTR("Failed to export public bytes"), NULL, error);
CFReleaseNull(pi);
static CFStringRef
copyVPNInterfaceNAP (char *interface_buf)
{
CFStringRef interf_key;
CFMutableArrayRef interf_keys;
CFDictionaryRef dict = NULL;
CFIndex i;
const void * keys_q[128];
void ** keys = (__typeof__(keys))keys_q;
const void * values_q[128];
void ** values = (__typeof__(values))values_q;
CFIndex n;
CFStringRef vpn_if = NULL;
CFStringRef result = NULL;
if (!interface_buf) {
return NULL;
}
if (gDynamicStore) {
vpn_if = CFStringCreateWithCStringNoCopy(NULL,
interface_buf,
kCFStringEncodingASCII,
kCFAllocatorNull);
if (!vpn_if) {
// if we could not initialize interface CFString
goto done;
}
interf_keys = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
// get State:/Network/Interface/<vpn_if>/Airport
interf_key = SCDynamicStoreKeyCreateNetworkInterfaceEntity(NULL,
kSCDynamicStoreDomainState,
vpn_if,
kSCEntNetAirPort);
CFArrayAppendValue(interf_keys, interf_key);
CFRelease(interf_key);
dict = SCDynamicStoreCopyMultiple(gDynamicStore, interf_keys, NULL);
CFRelease(interf_keys);
if (!dict) {
// if we could not access the SCDynamicStore
goto done;
}
// look for the service which matches the provided prefixes
n = CFDictionaryGetCount(dict);
if (n <= 0) {
goto done;
}
if (n > (CFIndex)(sizeof(keys_q) / sizeof(CFTypeRef))) {
keys = CFAllocatorAllocate(NULL, n * sizeof(CFTypeRef), 0);
values = CFAllocatorAllocate(NULL, n * sizeof(CFTypeRef), 0);
}
CFDictionaryGetKeysAndValues(dict, (const void **)keys, (const void **)values);
for (i=0; i < n; i++) {
CFStringRef s_key = (CFStringRef)keys[i];
CFDictionaryRef s_dict = (CFDictionaryRef)values[i];
CFDictionaryRef i_dict = NULL;
CFStringRef nap;
if (!isA_CFString(s_key) || !isA_CFDictionary(s_dict)) {
continue;
}
i_dict = CFDictionaryGetValue(s_dict, KEY_VPNNETWORKLOCATION_INTERFINFO);
if (!isA_CFDictionary(i_dict)) {
continue;
}
nap = CFDictionaryGetValue(i_dict, KEY_VPNNETWORKLOCATION_SSID);
if (nap) {
result = CFStringCreateCopy(NULL, nap);
SCLog(TRUE, LOG_INFO, CFSTR("%s: found nap %@, interf %s"), __FUNCTION__, result, interface_buf);
goto done;
}
}
done :
if (vpn_if) CFRelease(vpn_if);
if (keys != (__typeof__(keys))keys_q) {
CFAllocatorDeallocate(NULL, keys);
CFAllocatorDeallocate(NULL, values);
}
if (dict) CFRelease(dict);
}
return result;
}
void
AddNeighborhoodToList(char * neighborhood, UInt32 parentID)
{
CFStringRef tempNeighborhood = NULL;
CFComparisonResult result = -1;
UInt32 neighborhoodID, i;
if (neighborhood)
{
tempNeighborhood = CFStringCreateWithCString(NULL, neighborhood, CFStringGetSystemEncoding());
if (tempNeighborhood)
{
// Check if the item is already in our list. If it is, "result" will be kCFCompareEqualTo.
for (i = 0; i < kMaxNeighborhoods; i++)
{
if (gData[i] && gNeighborhoodInfo.parentID[i] == parentID)
{
result = CFStringCompare(tempNeighborhood, gData[i], kCFCompareCaseInsensitive);
if (result == kCFCompareEqualTo) break;
}
}
if (result != kCFCompareEqualTo)
{
// Only add the item if the parent neighborhood is open and visible in the Data Browser.
if ((gNeighborhoodInfo.isNeighborhoodOpen[parentID - 1] && gNeighborhoodInfo.isNeighborhoodVisible[parentID - 1]) || parentID == 0)
{
neighborhoodID = IncrementAtomic(&gNeighborhoodInfo.neighborhoodCount);
if (++neighborhoodID < kMaxNeighborhoods)
{
gNeighborhoodInfo.parentID[neighborhoodID - 1] = parentID;
gData[neighborhoodID - 1] = CFStringCreateCopy(NULL, tempNeighborhood);
AddDataBrowserItems(gDataBrowserControl, parentID, 1, &neighborhoodID, kNameColumn);
if (parentID == kDataBrowserNoItem)
{
gNeighborhoodInfo.isDefaultNeighborhood[neighborhoodID - 1] = true;
}
else
{
gNeighborhoodInfo.isDefaultNeighborhood[neighborhoodID - 1] = false;
}
}
else
{
DecrementAtomic(&gNeighborhoodInfo.neighborhoodCount);
}
}
}
else if (result == kCFCompareEqualTo)
{
if (gNeighborhoodInfo.isNeighborhoodOpen[parentID - 1] && gNeighborhoodInfo.isNeighborhoodVisible[parentID - 1])
{
neighborhoodID = i + 1;
if (gNeighborhoodInfo.isNeighborhoodVisible[i] == false)
{
AddDataBrowserItems(gDataBrowserControl, parentID, 1, &neighborhoodID, kNameColumn);
if (gNeighborhoodInfo.isNeighborhoodOpen[i])
{
OpenDataBrowserContainer(gDataBrowserControl, neighborhoodID);
}
}
else
{
if (gNeighborhoodInfo.isNeighborhoodOpen[i])
{
CancelServicesLookup(parentID);
CancelNeighborhoodLookup(parentID);
InstallEventLoopTimer(GetMainEventLoop(), 0.3, 0, gMyStartLookupTimerUPP, (void *)(neighborhoodID), NULL);
}
}
}
}
CFRelease(tempNeighborhood);
}
free(neighborhood);
}
}
