internal static PeerContact ConvertPEER_CONTACTToPeerContact(PEER_CONTACT pc, bool isMyContact)
{
PeerContact peerContact = (isMyContact ? new MyContact(): new PeerContact());
peerContact.PeerName = new PeerName(pc.pwzPeerName);
peerContact.DisplayName = pc.pwzDisplayName;
peerContact.Nickname = pc.pwzNickname;
peerContact.EmailAddress = (pc.pwzEmailAddress != null) ? new MailAddress(pc.pwzEmailAddress) : null;
if (!isMyContact)
{
peerContact.SubscribeAllowed = pc.WatcherPermissions;
}
peerContact.IsSubscribed = (isMyContact ? true : pc.fWatch);
byte[] data = null;
if (pc.credentials.cbData != 0)
{
data = new byte[pc.credentials.cbData];
Marshal.Copy(pc.credentials.pbData, data, 0, (int)pc.credentials.cbData);
}
if (data != null)
{
SafeCertStore certHandle = UnsafeCollabNativeMethods.CertOpenStore(new IntPtr(/*CERT_STORE_PROV_PKCS7*/ 5),
0x00000001 /*X509_ASN_ENCODING*/ | 0x00010000 /*PKCS_7_ASN_ENCODING*/,
IntPtr.Zero,
0x00000001 /*CERT_STORE_NO_CRYPT_RELEASE_FLAG*/,
ref pc.credentials);
if (certHandle == null || certHandle.IsInvalid)
{
int win32ErrorCode = Marshal.GetLastWin32Error();
throw PeerToPeerException.CreateFromHr(SR.GetString(SR.Collab_CredentialsError), win32ErrorCode);
}
try{
X509Store certStore = new X509Store(certHandle.DangerousGetHandle());
peerContact.Credentials = new X509Certificate2(certStore.Certificates[0]);
}
finally{
if (certHandle != null)
{
certHandle.Dispose();
}
}
}
return(peerContact);
}
internal static PEER_CONTACT ConvertPeerContactToPEER_CONTACT(PeerContact peerContact, ref SafeCollabMemory safeCredentials)
{
PEER_CONTACT pc = new PEER_CONTACT();
pc.pwzDisplayName = peerContact.DisplayName;
pc.pwzEmailAddress = (peerContact.EmailAddress == null) ? null : peerContact.EmailAddress.ToString();
pc.pwzNickname = peerContact.Nickname;
pc.pwzPeerName = peerContact.PeerName.ToString();
pc.fWatch = peerContact.IsSubscribed;
pc.WatcherPermissions = peerContact.SubscribeAllowed;
PEER_DATA pd = new PEER_DATA();
if (peerContact.Credentials != null){
SafeCertStore certHandle = UnsafeCollabNativeMethods.CertOpenStore(new IntPtr(/*CERT_STORE_PROV_MEMORY*/ 2),
0,
IntPtr.Zero,
0x00002000/*CERT_STORE_CREATE_NEW_FLAG*/ | 0x00000001/*CERT_STORE_NO_CRYPT_RELEASE_FLAG*/,
IntPtr.Zero);
if (certHandle == null || certHandle.IsInvalid){
int win32ErrorCode = Marshal.GetLastWin32Error();
throw PeerToPeerException.CreateFromHr(SR.GetString(SR.Collab_CredentialsError), win32ErrorCode);
}
try{
X509Store certStore = new X509Store(certHandle.DangerousGetHandle());
certStore.Add(peerContact.Credentials as X509Certificate2);
bool returnCode = UnsafeCollabNativeMethods.CertSaveStore(certHandle,
0x00000001/*X509_ASN_ENCODING*/| 0x00010000/*PKCS_7_ASN_ENCODING*/,
2 /*CERT_STORE_SAVE_AS_STORE*/,
2, /*CERT_STORE_SAVE_TO_MEMORY*/
ref pd,
0);
if ((pd.cbData != 0) && (returnCode)){
safeCredentials = new SafeCollabMemory((int)pd.cbData);
pd.pbData = safeCredentials.DangerousGetHandle();
returnCode = UnsafeCollabNativeMethods.CertSaveStore(certHandle,
0x00000001/*X509_ASN_ENCODING*/| 0x00010000/*PKCS_7_ASN_ENCODING*/,
2 /*CERT_STORE_SAVE_AS_STORE*/,
2, /*CERT_STORE_SAVE_TO_MEMORY*/
ref pd,// Clean up memory from here;
0);
}
else{
pd.cbData = 0;
pd.pbData = IntPtr.Zero;
}
}
finally{
if (certHandle != null) certHandle.Dispose();
}
}
else{
pd.cbData = 0;
pd.pbData = IntPtr.Zero;
}
pc.credentials = pd;
return pc;
}
internal static PeerContact ConvertPEER_CONTACTToPeerContact(PEER_CONTACT pc, bool isMyContact)
{
PeerContact peerContact = (isMyContact ? new MyContact(): new PeerContact());
peerContact.PeerName = new PeerName(pc.pwzPeerName);
peerContact.DisplayName = pc.pwzDisplayName;
peerContact.Nickname = pc.pwzNickname;
peerContact.EmailAddress = (pc.pwzEmailAddress != null) ? new MailAddress(pc.pwzEmailAddress) : null;
if(!isMyContact)
peerContact.SubscribeAllowed = pc.WatcherPermissions;
peerContact.IsSubscribed = (isMyContact ? true : pc.fWatch);
byte[] data = null;
if (pc.credentials.cbData != 0){
data = new byte[pc.credentials.cbData];
Marshal.Copy(pc.credentials.pbData, data, 0, (int)pc.credentials.cbData);
}
if (data != null){
SafeCertStore certHandle = UnsafeCollabNativeMethods.CertOpenStore(new IntPtr(/*CERT_STORE_PROV_PKCS7*/ 5),
0x00000001/*X509_ASN_ENCODING*/| 0x00010000/*PKCS_7_ASN_ENCODING*/,
IntPtr.Zero,
0x00000001/*CERT_STORE_NO_CRYPT_RELEASE_FLAG*/,
ref pc.credentials);
if (certHandle == null || certHandle.IsInvalid){
int win32ErrorCode = Marshal.GetLastWin32Error();
throw PeerToPeerException.CreateFromHr(SR.GetString(SR.Collab_CredentialsError), win32ErrorCode);
}
try{
X509Store certStore = new X509Store(certHandle.DangerousGetHandle());
peerContact.Credentials = new X509Certificate2(certStore.Certificates[0]);
}
finally{
if(certHandle != null) certHandle.Dispose();
}
}
return peerContact;
}
internal static PeerContact ConvertPEER_CONTACTToPeerContact(PEER_CONTACT pc)
{
return ConvertPEER_CONTACTToPeerContact(pc, false);
}
internal extern static int PeerCollabAsyncInviteContact(ref PEER_CONTACT pcContact,
IntPtr pcEndpoint,
ref PEER_INVITATION pcInvitation,
SafeWaitHandle hEvent,
out SafeCollabInvite phInvitation);
internal extern static int PeerCollabInviteContact(ref PEER_CONTACT pcContact,
IntPtr pcEndpoint,
ref PEER_INVITATION pcInvitation,
out SafeCollabData ppResponse);
internal extern static int PeerCollabUpdateContact(ref PEER_CONTACT pc);
internal extern static int PeerCollabEnumEndpoints(ref PEER_CONTACT pcContact,
out SafeCollabEnum phPeerEnum);
private void ApplicationChangedCallback(object state, bool timedOut)
{
SafeCollabData eventData = null;
int errorCode = 0;
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "ApplicationChangedCallback() called.");
if (m_Disposed)
{
return;
}
while (true)
{
ApplicationChangedEventArgs appChangedArgs = null;
//
// Get the event data for the fired event
//
try{
lock (LockAppChangedEvent)
{
if (m_safeAppChangedEvent.IsInvalid)
{
return;
}
errorCode = UnsafeCollabNativeMethods.PeerCollabGetEventData(m_safeAppChangedEvent,
out eventData);
}
if (errorCode == UnsafeCollabReturnCodes.PEER_S_NO_EVENT_DATA)
{
break;
}
else if (errorCode != 0)
{
Logging.P2PTraceSource.TraceEvent(TraceEventType.Error, 0, "PeerCollabGetEventData returned with errorcode {0}", errorCode);
throw PeerToPeerException.CreateFromHr(SR.GetString(SR.Collab_GetApplicationChangedDataFailed), errorCode);
}
PEER_COLLAB_EVENT_DATA ped = (PEER_COLLAB_EVENT_DATA)Marshal.PtrToStructure(eventData.DangerousGetHandle(),
typeof(PEER_COLLAB_EVENT_DATA));
if (ped.eventType == PeerCollabEventType.EndPointApplicationChanged)
{
PEER_EVENT_APPLICATION_CHANGED_DATA appData = ped.applicationChangedData;
PEER_APPLICATION pa = (PEER_APPLICATION)Marshal.PtrToStructure(appData.pApplication, typeof(PEER_APPLICATION));
PeerApplication peerApplication = CollaborationHelperFunctions.ConvertPEER_APPLICATIONToPeerApplication(pa);;
//
// Check if the Guid of the fired app is indeed our guid
//
if (Guid.Equals(m_id, peerApplication.Id))
{
PeerContact peerContact = null;
PeerEndPoint peerEndPoint = null;
if (appData.pContact != IntPtr.Zero)
{
PEER_CONTACT pc = (PEER_CONTACT)Marshal.PtrToStructure(appData.pContact, typeof(PEER_CONTACT));
peerContact = CollaborationHelperFunctions.ConvertPEER_CONTACTToPeerContact(pc);
}
if (appData.pEndPoint != IntPtr.Zero)
{
PEER_ENDPOINT pe = (PEER_ENDPOINT)Marshal.PtrToStructure(appData.pEndPoint, typeof(PEER_ENDPOINT));
peerEndPoint = CollaborationHelperFunctions.ConvertPEER_ENDPOINTToPeerEndPoint(pe);
}
appChangedArgs = new ApplicationChangedEventArgs(peerEndPoint,
peerContact,
appData.changeType,
peerApplication);
}
}
}
finally{
if (eventData != null)
{
eventData.Dispose();
}
}
//
// Fire the callback with the marshalled event args data
//
if (appChangedArgs != null)
{
OnApplicationChanged(appChangedArgs);
}
}
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "Leaving ApplicationChangedCallback().");
}
internal extern static int PeerCollabAsyncInviteContact(ref PEER_CONTACT pcContact,
IntPtr pcEndpoint,
ref PEER_INVITATION pcInvitation,
SafeWaitHandle hEvent,
out SafeCollabInvite phInvitation);
internal extern static int PeerCollabInviteContact( ref PEER_CONTACT pcContact,
IntPtr pcEndpoint,
ref PEER_INVITATION pcInvitation,
out SafeCollabData ppResponse);
internal extern static int PeerCollabUpdateContact(ref PEER_CONTACT pc);
internal extern static int PeerCollabEnumEndpoints(ref PEER_CONTACT pcContact,
out SafeCollabEnum phPeerEnum);
internal static PEER_CONTACT ConvertPeerContactToPEER_CONTACT(PeerContact peerContact, ref SafeCollabMemory safeCredentials)
{
PEER_CONTACT pc = new PEER_CONTACT();
pc.pwzDisplayName = peerContact.DisplayName;
pc.pwzEmailAddress = (peerContact.EmailAddress == null) ? null : peerContact.EmailAddress.ToString();
pc.pwzNickname = peerContact.Nickname;
pc.pwzPeerName = peerContact.PeerName.ToString();
pc.fWatch = peerContact.IsSubscribed;
pc.WatcherPermissions = peerContact.SubscribeAllowed;
PEER_DATA pd = new PEER_DATA();
if (peerContact.Credentials != null)
{
SafeCertStore certHandle = UnsafeCollabNativeMethods.CertOpenStore(new IntPtr(/*CERT_STORE_PROV_MEMORY*/ 2),
0,
IntPtr.Zero,
0x00002000 /*CERT_STORE_CREATE_NEW_FLAG*/ | 0x00000001 /*CERT_STORE_NO_CRYPT_RELEASE_FLAG*/,
IntPtr.Zero);
if (certHandle == null || certHandle.IsInvalid)
{
int win32ErrorCode = Marshal.GetLastWin32Error();
throw PeerToPeerException.CreateFromHr(SR.GetString(SR.Collab_CredentialsError), win32ErrorCode);
}
try{
X509Store certStore = new X509Store(certHandle.DangerousGetHandle());
certStore.Add(peerContact.Credentials as X509Certificate2);
bool returnCode = UnsafeCollabNativeMethods.CertSaveStore(certHandle,
0x00000001 /*X509_ASN_ENCODING*/ | 0x00010000 /*PKCS_7_ASN_ENCODING*/,
2 /*CERT_STORE_SAVE_AS_STORE*/,
2, /*CERT_STORE_SAVE_TO_MEMORY*/
ref pd,
0);
if ((pd.cbData != 0) && (returnCode))
{
safeCredentials = new SafeCollabMemory((int)pd.cbData);
pd.pbData = safeCredentials.DangerousGetHandle();
returnCode = UnsafeCollabNativeMethods.CertSaveStore(certHandle,
0x00000001 /*X509_ASN_ENCODING*/ | 0x00010000 /*PKCS_7_ASN_ENCODING*/,
2 /*CERT_STORE_SAVE_AS_STORE*/,
2, /*CERT_STORE_SAVE_TO_MEMORY*/
ref pd, // Clean up memory from here;
0);
}
else
{
pd.cbData = 0;
pd.pbData = IntPtr.Zero;
}
}
finally{
if (certHandle != null)
{
certHandle.Dispose();
}
}
}
else
{
pd.cbData = 0;
pd.pbData = IntPtr.Zero;
}
pc.credentials = pd;
return(pc);
}
internal static PeerContact ConvertPEER_CONTACTToPeerContact(PEER_CONTACT pc)
{
return(ConvertPEER_CONTACTToPeerContact(pc, false));
}
private void NameChangedCallback(object state, bool timedOut)
{
SafeCollabData eventData = null;
int errorCode = 0;
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "NameChangedCallback() called.");
if (m_Disposed)
{
return;
}
while (true)
{
NameChangedEventArgs nameChangedArgs = null;
//
// Get the event data for the fired event
//
try{
lock (LockNameChangedEvent)
{
if (m_safeNameChangedEvent.IsInvalid)
{
return;
}
errorCode = UnsafeCollabNativeMethods.PeerCollabGetEventData(m_safeNameChangedEvent,
out eventData);
}
if (errorCode == UnsafeCollabReturnCodes.PEER_S_NO_EVENT_DATA)
{
break;
}
else if (errorCode != 0)
{
Logging.P2PTraceSource.TraceEvent(TraceEventType.Error, 0, "PeerCollabGetEventData returned with errorcode {0}", errorCode);
throw PeerToPeerException.CreateFromHr(SR.GetString(SR.Collab_GetNameChangedDataFailed), errorCode);
}
PEER_COLLAB_EVENT_DATA ped = (PEER_COLLAB_EVENT_DATA)Marshal.PtrToStructure(eventData.DangerousGetHandle(),
typeof(PEER_COLLAB_EVENT_DATA));
if (ped.eventType == PeerCollabEventType.EndPointChanged)
{
PEER_EVENT_ENDPOINT_CHANGED_DATA epData = ped.endpointChangedData;
PeerEndPoint peerEndPoint = null;
if (epData.pEndPoint != IntPtr.Zero)
{
PEER_ENDPOINT pe = (PEER_ENDPOINT)Marshal.PtrToStructure(epData.pEndPoint, typeof(PEER_ENDPOINT));
peerEndPoint = CollaborationHelperFunctions.ConvertPEER_ENDPOINTToPeerEndPoint(pe);
}
if ((peerEndPoint != null) && Equals(peerEndPoint))
{
PeerContact peerContact = null;
if (epData.pContact != IntPtr.Zero)
{
PEER_CONTACT pc = (PEER_CONTACT)Marshal.PtrToStructure(epData.pContact, typeof(PEER_CONTACT));
peerContact = CollaborationHelperFunctions.ConvertPEER_CONTACTToPeerContact(pc);
}
nameChangedArgs = new NameChangedEventArgs(peerEndPoint,
peerContact,
peerEndPoint.Name);
}
}
}
finally{
if (eventData != null)
{
eventData.Dispose();
}
}
//
// Fire the callback with the marshalled event args data
//
if (nameChangedArgs != null)
{
OnNameChanged(nameChangedArgs);
//
// Change the name with the new name
//
Name = nameChangedArgs.PeerEndPoint.Name;
}
}
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "Leaving NameChangedCallback().");
}
