public bool Exists()
{
if (!this.m_initialized)
{
string ex = Strings.DagFswInternalErrorFswObjectNotInitialized.ToString();
if (this.m_initializationException != null)
{
ex = this.m_initializationException.Message;
}
throw new DagFswNotInitializedException(ex);
}
if (this.m_exists == null)
{
try
{
string text;
byte[] securityDescriptorBinaryForm;
NetShare.GetShareInfoWithSecurity(this.WitnessServerFqdn, this.ShareName, out text, out this.m_existingShareRemark, out this.m_shareType, out this.m_sharePermissions, out this.m_shareMaxUses, out securityDescriptorBinaryForm);
this.m_existingWitnessDirectory = NonRootLocalLongFullPath.Parse(text);
TaskLogger.Trace("Found existing witness share \\\\{0}\\{1} pointing to {2} (expecting {3})", new object[]
{
this.WitnessServer,
this.ShareName,
text,
this.m_witnessDirectory.ToString()
});
if (this.m_existingWitnessDirectory != this.WitnessDirectory)
{
throw new DagFswSharePointsToWrongDirectoryException(this.ShareName, this.WitnessServerFqdn, this.m_existingWitnessDirectory.ToString(), this.WitnessDirectory.ToString());
}
this.m_existingSecurity = new DirectorySecurity();
this.m_existingSecurity.SetSecurityDescriptorBinaryForm(securityDescriptorBinaryForm);
this.m_exists = new bool?(true);
}
catch (Win32Exception ex2)
{
if ((long)ex2.NativeErrorCode == 2310L)
{
this.m_exists = new bool?(false);
}
else
{
if (ex2.NativeErrorCode == 5)
{
throw new DagFswInsufficientPermissionsToAccessFswException(this.WitnessServerFqdn, ex2);
}
throw new DagFswServerNotAccessibleException(this.WitnessServerFqdn, ex2);
}
}
}
return(this.m_exists.Value);
}
public void Delete(bool forceDelete)
{
if (this.Exists())
{
if (!this.m_isJustCreated)
{
if (!forceDelete)
{
return;
}
}
try
{
TaskLogger.Trace("Attempting to delete witness share \\\\{0}\\{1}. Just created: {2}, forced: {3}", new object[]
{
this.WitnessServer,
this.ShareName,
this.m_isJustCreated,
forceDelete
});
NetShare.DeleteShare(this.WitnessServerFqdn, this.ShareName);
WmiWrapper.RemoveDirectory(this.WitnessServerFqdn, this.WitnessDirectory.ToString());
this.m_exists = new bool?(false);
TaskLogger.Trace("Attempt to delete witness share \\\\{0}\\{1} succeeded.", new object[]
{
this.WitnessServer,
this.ShareName
});
}
catch (WmiException ex)
{
throw new DagFswUnableToRemoveWitnessDirectoryException(this.WitnessServerFqdn, this.WitnessDirectory.ToString(), ex);
}
catch (Win32Exception ex2)
{
if ((long)ex2.NativeErrorCode == 2310L)
{
this.m_exists = new bool?(false);
}
else
{
if (ex2.NativeErrorCode == 5)
{
throw new DagFswInsufficientPermissionsToDeleteFswException(this.WitnessServerFqdn, this.FileShareWitnessShare.ToString(), ex2);
}
throw new DagFswServerNotAccessibleToDeleteFswException(this.WitnessServerFqdn, this.FileShareWitnessShare.ToString(), ex2);
}
}
}
}
public void Create()
{
FileShareWitnessCheckResult fileShareWitnessCheckResult = this.Check();
if (fileShareWitnessCheckResult != FileShareWitnessCheckResult.FswOK)
{
FileSystemSecurity fileSystemSecurity = new DirectorySecurity();
foreach (FileSystemAccessRule rule in this.AccessRules)
{
fileSystemSecurity.AddAccessRule(rule);
}
switch (fileShareWitnessCheckResult)
{
case FileShareWitnessCheckResult.FswDoesNotExist:
try
{
TaskLogger.Trace("Attempting to create new witness share \\\\{0}\\{1}.", new object[]
{
this.WitnessServer,
this.ShareName
});
WmiWrapper.CreateDirectory(this.WitnessServerFqdn, this.WitnessDirectory.ToString());
int num;
NetShare.AddShare(string.Format(FileShareWitness.s_hostNameFormat, this.WitnessServerFqdn), null, this.ShareName, this.WitnessDirectory.ToString(), this.m_shareRemark, fileSystemSecurity.GetSecurityDescriptorBinaryForm(), out num);
this.m_existingShareRemark = this.m_shareRemark;
this.m_shareType = 0U;
this.m_sharePermissions = 1;
this.m_shareMaxUses = -1;
this.m_existingWitnessDirectory = this.WitnessDirectory;
this.m_existingSecurity = fileSystemSecurity;
this.m_exists = new bool?(true);
this.m_isJustCreated = true;
TaskLogger.Trace("Attempt to create new witness share \\\\{0}\\{1} succeeded.", new object[]
{
this.WitnessServer,
this.ShareName
});
return;
}
catch (WmiException ex)
{
throw new DagFswUnableToCreateWitnessDirectoryException(this.WitnessServerFqdn, this.WitnessDirectory.ToString(), ex);
}
catch (Win32Exception ex2)
{
throw new DagFswUnableToCreateWitnessShareException(this.WitnessServerFqdn, this.FileShareWitnessShare.ToString(), ex2);
}
break;
case FileShareWitnessCheckResult.FswWrongDirectory:
goto IL_1C1;
case FileShareWitnessCheckResult.FswWrongPermissions:
break;
default:
return;
}
fileSystemSecurity = this.m_existingSecurity;
foreach (FileSystemAccessRule rule2 in this.AccessRules)
{
fileSystemSecurity.AddAccessRule(rule2);
}
try
{
IL_1C1:
TaskLogger.Trace("Attempting to modify permissions on witness share \\\\{0}\\{1}.", new object[]
{
this.WitnessServer,
this.ShareName
});
NetShare.SetShareInfo(this.WitnessServerFqdn, this.ShareName, this.WitnessDirectory.ToString(), this.m_shareRemark, this.m_shareType, this.m_sharePermissions, -1, fileSystemSecurity.GetSecurityDescriptorBinaryForm());
this.m_existingWitnessDirectory = this.WitnessDirectory;
this.m_existingSecurity = fileSystemSecurity;
this.m_shareMaxUses = -1;
this.m_exists = new bool?(true);
TaskLogger.Trace("Attempt to modify permissions on witness share \\\\{0}\\{1} succeeded.", new object[]
{
this.WitnessServer,
this.ShareName
});
}
catch (Win32Exception ex3)
{
throw new DagFswUnableToUpdateWitnessShareException(this.WitnessServerFqdn, this.FileShareWitnessShare.ToString(), ex3);
}
}
}
