public static bool EnsureNullSession(string sServer, CredentialEntry ce)
{
if (String.IsNullOrEmpty(sServer))
{
return(false);
}
Logger.Log(String.Format("Session.EnsureNullSession({0}, {1}) called",
sServer, ce),
Logger.netAPILogLevel);
if (ce == null)
{
Logger.Log("Session.EnsureNullSession() called with CredentialEntry ce=null, returning false",
Logger.authLogLevel);
return(false);
}
sServer = Canon(sServer);
try
{
// if we already have a session, don't recreate it
if (alSessions.Contains(sServer))
{
return(true);
}
else
{
try
{
DeleteNullSession(sServer);
}
catch (AuthSessionException aex)
{
Logger.Log("EnsureNullSession: DeleteNullSession failed (as expected) beacuse " + aex.Message, Logger.netAPILogLevel);
}
try
{
if (CreateNullSession(sServer, ce.MachineName, ce))
{
alSessions.Add(sServer);
return(true);
}
}
catch (AuthSessionException aex)
{
Logger.Log("EnsureNullSession: CreateNullSession failed unexpectedly. beacuse " + aex.Message, Logger.netAPILogLevel);
}
}
return(false);
}
catch (DllNotFoundException ex)
{
Logger.ShowUserError(String.Format(
"DllNotFound Exception caught in SharesAPI.EnumShares: Could not load library: {0}",
ex.Message));
ce.Invalidate(sServer);
return(false);
}
catch (Exception ex)
{
Logger.LogException("Session.EnsureNullSession", ex);
ce.Invalidate(sServer);
return(false);
}
}
public static bool EnsureNullSession(string sServer, CredentialEntry ce)
{
if (String.IsNullOrEmpty(sServer))
{
return false;
}
Logger.Log(String.Format("Session.EnsureNullSession({0}, {1}) called",
sServer, ce),
Logger.netAPILogLevel);
if(ce == null)
{
Logger.Log("Session.EnsureNullSession() called with CredentialEntry ce=null, returning false",
Logger.authLogLevel);
return false;
}
sServer = Canon(sServer);
try
{
// if we already have a session, don't recreate it
if (alSessions.Contains(sServer))
{
return true;
}
else
{
try
{
DeleteNullSession(sServer);
}
catch(AuthSessionException aex)
{
Logger.Log("EnsureNullSession: DeleteNullSession failed (as expected) beacuse " + aex.Message, Logger.netAPILogLevel);
}
try
{
if (CreateNullSession(sServer, ce.MachineName, ce))
{
alSessions.Add(sServer);
return true;
}
}
catch (AuthSessionException aex)
{
Logger.Log("EnsureNullSession: CreateNullSession failed unexpectedly. beacuse " + aex.Message, Logger.netAPILogLevel);
}
}
return false;
}
catch (DllNotFoundException ex)
{
Logger.ShowUserError(String.Format(
"DllNotFound Exception caught in SharesAPI.EnumShares: Could not load library: {0}",
ex.Message));
ce.Invalidate(sServer);
return false;
}
catch (Exception ex)
{
Logger.LogException("Session.EnsureNullSession", ex);
ce.Invalidate(sServer);
return false;
}
}
#pragma warning restore 414
#endif
#endregion
#region Static Interface
public static bool CreateNullSession(string sServer, string sShortname, CredentialEntry ce)
{
Logger.Log(
String.Format("Session.CreateNullSession({0}, {1}, {2}) called", sServer, sShortname, ce),
Logger.netAPILogLevel);
int nErr;
// set up the user name and password; map "root" as needed
string sUsername;
string sPassword;
if (Configurations.currentPlatform == LikewiseTargetPlatform.Windows)
{
if (ce != null && !ce.DefaultCreds && ce.Password != new String('*', 16))
{
if (ce.UserName.IndexOf('\\') < 0 && !String.IsNullOrEmpty(ce.Domain))
{
sUsername = String.Format("{0}\\{1}", ce.Domain, ce.UserName);
}
else
{
sUsername = ce.UserName;
}
sPassword = ce.Password;
}
else
{
// setup for default creds
sUsername = null;
sPassword = null;
Logger.Log("CreateNullSession(): Using default creds", Logger.netAPILogLevel);
}
}
else
{
if (ce.UserName.IndexOf(@"\") < 0 && !String.IsNullOrEmpty(ce.Domain))
{
sUsername = String.Format("{0}\\{1}", ce.Domain, ce.UserName);
}
else
{
sUsername = ce.UserName;
}
sPassword = ce.Password;
}
// set up a NETRESOURCE structure
NETRESOURCE nr = new NETRESOURCE();
nr.dwScope = 0;
nr.dwType = 0;
nr.dwDisplayType = 0;
nr.dwUsage = 0;
nr.LocalName = null;
nr.RemoteName = @"\\" + sServer + @"\IPC$";
nr.Comment = null;
nr.Provider = null;
// try the operation. Throws exception if it fails.
if (Configurations.currentPlatform == LikewiseTargetPlatform.Windows)
{
nErr = WindowsSession.WNetAddConnection2(nr, sPassword, sUsername, 0);
}
else
{
nErr = WNetAddConnection2(nr, sPassword, sUsername, 0);
}
//HACK: WNetAddConnection2 appears to return 'access denied' even when it has just granted access!
//this is a workaround with the side-effect that the user will never be warned when their password
//is invalid.
if (nErr == (int)ErrorCodes.WIN32Enum.ERROR_ACCESS_DENIED)
{
Logger.Log(String.Format("CreateNullSession(): Ignoring error! nErr={0}: {1}",
nErr, ErrorCodes.WIN32String(nErr)), Logger.LogLevel.Error);
System.Windows.Forms.MessageBox.Show("WNetAddConnection2 success but ERROR_ACCESS_DENIED");
return(true);
}
else if (nErr != 0)
{
ce.Invalidate(sServer);
Logger.Log(String.Format("CreateNullSession(): nErr={0}: {1}",
nErr, ErrorCodes.WIN32String(nErr)), Logger.LogLevel.Error);
return(false);
}
Logger.Log("CreateNullSession() successful", Logger.netAPILogLevel);
return(true);
}
#pragma warning restore 414
#endif
#endregion
#region Static Interface
public static bool CreateNullSession(string sServer, string sShortname, CredentialEntry ce)
{
Logger.Log(
String.Format("Session.CreateNullSession({0}, {1}, {2}) called", sServer, sShortname, ce),
Logger.netAPILogLevel);
int nErr;
// set up the user name and password; map "root" as needed
string sUsername;
string sPassword;
if (Configurations.currentPlatform == LikewiseTargetPlatform.Windows)
{
if (ce != null && !ce.DefaultCreds && ce.Password != new String('*', 16))
{
if (ce.UserName.IndexOf('\\') < 0 && !String.IsNullOrEmpty(ce.Domain))
{
sUsername = String.Format("{0}\\{1}", ce.Domain, ce.UserName);
}
else
{
sUsername = ce.UserName;
}
sPassword = ce.Password;
}
else
{
// setup for default creds
sUsername = null;
sPassword = null;
Logger.Log("CreateNullSession(): Using default creds", Logger.netAPILogLevel);
}
}
else
{
if (ce.UserName.IndexOf(@"\") < 0 && !String.IsNullOrEmpty(ce.Domain))
{
sUsername = String.Format("{0}\\{1}", ce.Domain, ce.UserName);
}
else
{
sUsername = ce.UserName;
}
sPassword = ce.Password;
}
// set up a NETRESOURCE structure
NETRESOURCE nr = new NETRESOURCE();
nr.dwScope = 0;
nr.dwType = 0;
nr.dwDisplayType = 0;
nr.dwUsage = 0;
nr.LocalName = null;
nr.RemoteName = @"\\" + sServer + @"\IPC$";
nr.Comment = null;
nr.Provider = null;
// try the operation. Throws exception if it fails.
if (Configurations.currentPlatform == LikewiseTargetPlatform.Windows)
{
nErr = WindowsSession.WNetAddConnection2(nr, sPassword, sUsername, 0);
}
else
{
nErr = WNetAddConnection2(nr, sPassword, sUsername, 0);
}
//HACK: WNetAddConnection2 appears to return 'access denied' even when it has just granted access!
//this is a workaround with the side-effect that the user will never be warned when their password
//is invalid.
if (nErr == (int) ErrorCodes.WIN32Enum.ERROR_ACCESS_DENIED)
{
Logger.Log(String.Format("CreateNullSession(): Ignoring error! nErr={0}: {1}",
nErr, ErrorCodes.WIN32String(nErr)), Logger.LogLevel.Error);
System.Windows.Forms.MessageBox.Show("WNetAddConnection2 success but ERROR_ACCESS_DENIED");
return true;
}
else if (nErr != 0)
{
ce.Invalidate(sServer);
Logger.Log(String.Format("CreateNullSession(): nErr={0}: {1}",
nErr, ErrorCodes.WIN32String(nErr)), Logger.LogLevel.Error);
return false;
}
Logger.Log("CreateNullSession() successful", Logger.netAPILogLevel);
return true;
}