/// <summary>
/// マネージドな資格情報をアンマネージドなポインタに変換する
/// </summary>
/// <param name="managedCred"></param>
/// <returns></returns>
private static UnmanagedCredential ConvertToUnmanagedCredential(ManagedCredential managedCred)
{
var unmanagedCred = new UnmanagedCredential()
{
Flags = (uint)managedCred.Flags,
Type = (uint)managedCred.Type,
TargetName = managedCred.TargetName,
Comment = managedCred.Comment,
LastWritten = managedCred.LastWritten,
CredentialBlobSize = managedCred.CredentialBlob != null ? (uint)managedCred.CredentialBlob.Length : 0,
Persist = (uint)managedCred.Persist,
TargetAlias = managedCred.TargetAlias,
UserName = managedCred.UserName,
AttributeCount = managedCred.Attributes != null ? (uint)managedCred.Attributes.Length : 0,
Attributes = IntPtr.Zero,
CredentialBlob = IntPtr.Zero,
};
if (unmanagedCred.AttributeCount != 0)
{
Marshal.Copy(managedCred.Attributes.Cast <int>().ToArray(), 0, unmanagedCred.Attributes, managedCred.Attributes.Length);
}
if (unmanagedCred.CredentialBlobSize != 0)
{
var p = Marshal.AllocHGlobal(managedCred.CredentialBlob.Length);
Marshal.Copy(managedCred.CredentialBlob, 0, p, managedCred.CredentialBlob.Length);
unmanagedCred.CredentialBlob = p;
Marshal.FreeHGlobal(p);
}
return(unmanagedCred);
}
/// <summary>
/// アンマネージドな資格情報（ポインタ）をマネージドなEnumに変換する
/// </summary>
/// <param name="ptr"></param>
/// <returns></returns>
private static ManagedCredential ConvertToManagedCredential(IntPtr ptr)
{
var unmanagedCred = (UnmanagedCredential)Marshal.PtrToStructure(ptr, typeof(UnmanagedCredential));
// 特殊な操作が必要ないものを詰め込んだManagedCredentialを作成する
// CredentialBlobは別途変換する必要があるため、一旦サイズだけを持った配列を作成する
var managedCred = new ManagedCredential
{
Flags = (CRED_FLAGS)unmanagedCred.Flags,
Type = (CRED_TYPE)unmanagedCred.Type,
TargetName = unmanagedCred.TargetName,
Comment = unmanagedCred.Comment,
LastWritten = unmanagedCred.LastWritten,
CredentialBlob = new byte[unmanagedCred.CredentialBlobSize],
Persist = (CRED_PERSIST)unmanagedCred.Persist,
Attributes = Enumerable.Range(0, (int)unmanagedCred.AttributeCount)
.Select(x => Marshal.ReadIntPtr(unmanagedCred.Attributes, x * Marshal.SizeOf(typeof(CREDENTIAL_ATTRIBUTE))))
.Select(x => (CREDENTIAL_ATTRIBUTE)Marshal.PtrToStructure(x, typeof(CREDENTIAL_ATTRIBUTE)))
.ToArray(),
TargetAlias = unmanagedCred.TargetAlias,
UserName = unmanagedCred.UserName,
};
if (unmanagedCred.CredentialBlobSize != 0)
{
Marshal.Copy(unmanagedCred.CredentialBlob, managedCred.CredentialBlob, 0, (int)unmanagedCred.CredentialBlobSize);
}
return(managedCred);
}
/// <summary>
/// マネージドな資格情報をアンマネージドなポインタに変換する
/// </summary>
/// <param name="managedCred"></param>
/// <returns></returns>
private static UnmanagedCredential ConvertToUnmanagedCredential(ManagedCredential managedCred)
{
var unmanagedCred = new UnmanagedCredential()
{
Flags = (uint)managedCred.Flags,
Type = (uint)managedCred.Type,
TargetName = managedCred.TargetName,
Comment = managedCred.Comment,
LastWritten = managedCred.LastWritten,
CredentialBlobSize = managedCred.CredentialBlob != null ? (uint)managedCred.CredentialBlob.Length : 0,
Persist = (uint)managedCred.Persist,
TargetAlias = managedCred.TargetAlias,
UserName = managedCred.UserName,
AttributeCount = managedCred.Attributes != null ? (uint)managedCred.Attributes.Length : 0,
Attributes = IntPtr.Zero,
CredentialBlob = IntPtr.Zero,
};
if (unmanagedCred.AttributeCount != 0)
{
Marshal.Copy(managedCred.Attributes.Cast<int>().ToArray(), 0, unmanagedCred.Attributes, managedCred.Attributes.Length);
}
if (unmanagedCred.CredentialBlobSize != 0)
{
var p = Marshal.AllocHGlobal(managedCred.CredentialBlob.Length);
Marshal.Copy(managedCred.CredentialBlob, 0, p, managedCred.CredentialBlob.Length);
unmanagedCred.CredentialBlob = p;
Marshal.FreeHGlobal(p);
}
return unmanagedCred;
}
/// <summary>
/// アンマネージドな資格情報（ポインタ）をマネージドなEnumに変換する
/// </summary>
/// <param name="ptr"></param>
/// <returns></returns>
private static ManagedCredential ConvertToManagedCredential(IntPtr ptr)
{
var unmanagedCred = (UnmanagedCredential)Marshal.PtrToStructure(ptr, typeof(UnmanagedCredential));
// 特殊な操作が必要ないものを詰め込んだManagedCredentialを作成する
// CredentialBlobは別途変換する必要があるため、一旦サイズだけを持った配列を作成する
var managedCred = new ManagedCredential
{
Flags = (CRED_FLAGS)unmanagedCred.Flags,
Type = (CRED_TYPE)unmanagedCred.Type,
TargetName = unmanagedCred.TargetName,
Comment = unmanagedCred.Comment,
LastWritten = unmanagedCred.LastWritten,
CredentialBlob = new byte[unmanagedCred.CredentialBlobSize],
Persist = (CRED_PERSIST)unmanagedCred.Persist,
Attributes = Enumerable.Range(0, (int)unmanagedCred.AttributeCount)
.Select(x => Marshal.ReadIntPtr(unmanagedCred.Attributes, x * Marshal.SizeOf(typeof(CREDENTIAL_ATTRIBUTE))))
.Select(x => (CREDENTIAL_ATTRIBUTE)Marshal.PtrToStructure(x, typeof(CREDENTIAL_ATTRIBUTE)))
.ToArray(),
TargetAlias = unmanagedCred.TargetAlias,
UserName = unmanagedCred.UserName,
};
if (unmanagedCred.CredentialBlobSize != 0)
{
Marshal.Copy(unmanagedCred.CredentialBlob, managedCred.CredentialBlob, 0, (int)unmanagedCred.CredentialBlobSize);
}
return managedCred;
}
/// <summary>
/// 資格情報の削除
/// </summary>
/// <param name="cred">マネージドな資格情報</param>
public static void Delete(ManagedCredential cred)
{
Delete(cred.TargetName, cred.Type, cred.Flags);
}
/// <summary>
/// 資格情報の登録
/// </summary>
/// <param name="managedCred"></param>
/// <param name="flags"></param>
public static void Write(ManagedCredential managedCred, CRED_FLAGS flags)
{
Write(ConvertToUnmanagedCredential(managedCred), flags);
}
/// <summary>
/// 資格情報の削除
/// </summary>
/// <param name="cred">マネージドな資格情報</param>
public static void Delete(ManagedCredential cred)
{
Delete(cred.TargetName, cred.Type, cred.Flags);
}
/// <summary>
/// 資格情報の登録
/// </summary>
/// <param name="managedCred"></param>
/// <param name="flags"></param>
public static void Write(ManagedCredential managedCred, CRED_FLAGS flags)
{
Write(ConvertToUnmanagedCredential(managedCred), flags);
}
