internal static bool ParseBinaryForm(byte[] binaryForm, int offset, out int accessMask, out CompoundAceType compoundAceType, out SecurityIdentifier sid)
{
GenericAce.VerifyHeader(binaryForm, offset);
if (binaryForm.Length - offset >= 12 + SecurityIdentifier.MinBinaryLength)
{
int num1 = offset + 4;
int num2 = 0;
accessMask = (int)binaryForm[num1 + 0] + ((int)binaryForm[num1 + 1] << 8) + ((int)binaryForm[num1 + 2] << 16) + ((int)binaryForm[num1 + 3] << 24);
int num3 = num2 + 4;
compoundAceType = (CompoundAceType)((int)binaryForm[num1 + num3 + 0] + ((int)binaryForm[num1 + num3 + 1] << 8));
int num4 = num3 + 4;
sid = new SecurityIdentifier(binaryForm, num1 + num4);
return(true);
}
accessMask = 0;
compoundAceType = (CompoundAceType)0;
sid = (SecurityIdentifier)null;
return(false);
}
internal static bool ParseBinaryForm(byte[] binaryForm, int offset, out int accessMask, out System.Security.AccessControl.CompoundAceType compoundAceType, out SecurityIdentifier sid)
{
GenericAce.VerifyHeader(binaryForm, offset);
if ((binaryForm.Length - offset) >= (12 + SecurityIdentifier.MinBinaryLength))
{
int index = offset + 4;
int num2 = 0;
accessMask = ((binaryForm[index] + (binaryForm[index + 1] << 8)) + (binaryForm[index + 2] << 0x10)) + (binaryForm[index + 3] << 0x18);
num2 += 4;
compoundAceType = (System.Security.AccessControl.CompoundAceType)(binaryForm[index + num2] + (binaryForm[(index + num2) + 1] << 8));
num2 += 4;
sid = new SecurityIdentifier(binaryForm, index + num2);
return(true);
}
accessMask = 0;
compoundAceType = (System.Security.AccessControl.CompoundAceType) 0;
sid = null;
return(false);
}
/// <summary>Creates a <see cref="T:System.Security.AccessControl.GenericAce" /> object from the specified binary data.</summary>
/// <param name="binaryForm">The binary data from which to create the new <see cref="T:System.Security.AccessControl.GenericAce" /> object.</param>
/// <param name="offset">The offset at which to begin unmarshaling.</param>
/// <returns>The <see cref="T:System.Security.AccessControl.GenericAce" /> object this method creates.</returns>
// Token: 0x06001E46 RID: 7750 RVA: 0x00069C80 File Offset: 0x00067E80
public static GenericAce CreateFromBinaryForm(byte[] binaryForm, int offset)
{
GenericAce.VerifyHeader(binaryForm, offset);
AceType aceType = (AceType)binaryForm[offset];
GenericAce genericAce;
if (aceType == AceType.AccessAllowed || aceType == AceType.AccessDenied || aceType == AceType.SystemAudit || aceType == AceType.SystemAlarm || aceType == AceType.AccessAllowedCallback || aceType == AceType.AccessDeniedCallback || aceType == AceType.SystemAuditCallback || aceType == AceType.SystemAlarmCallback)
{
AceQualifier qualifier;
int accessMask;
SecurityIdentifier sid;
bool isCallback;
byte[] opaque;
if (!CommonAce.ParseBinaryForm(binaryForm, offset, out qualifier, out accessMask, out sid, out isCallback, out opaque))
{
goto IL_1A8;
}
AceFlags flags = (AceFlags)binaryForm[offset + 1];
genericAce = new CommonAce(flags, qualifier, accessMask, sid, isCallback, opaque);
}
else if (aceType == AceType.AccessAllowedObject || aceType == AceType.AccessDeniedObject || aceType == AceType.SystemAuditObject || aceType == AceType.SystemAlarmObject || aceType == AceType.AccessAllowedCallbackObject || aceType == AceType.AccessDeniedCallbackObject || aceType == AceType.SystemAuditCallbackObject || aceType == AceType.SystemAlarmCallbackObject)
{
AceQualifier qualifier2;
int accessMask2;
SecurityIdentifier sid2;
ObjectAceFlags flags2;
Guid type;
Guid inheritedType;
bool isCallback2;
byte[] opaque2;
if (!ObjectAce.ParseBinaryForm(binaryForm, offset, out qualifier2, out accessMask2, out sid2, out flags2, out type, out inheritedType, out isCallback2, out opaque2))
{
goto IL_1A8;
}
AceFlags aceFlags = (AceFlags)binaryForm[offset + 1];
genericAce = new ObjectAce(aceFlags, qualifier2, accessMask2, sid2, flags2, type, inheritedType, isCallback2, opaque2);
}
else if (aceType == AceType.AccessAllowedCompound)
{
int accessMask3;
CompoundAceType compoundAceType;
SecurityIdentifier sid3;
if (!CompoundAce.ParseBinaryForm(binaryForm, offset, out accessMask3, out compoundAceType, out sid3))
{
goto IL_1A8;
}
AceFlags flags3 = (AceFlags)binaryForm[offset + 1];
genericAce = new CompoundAce(flags3, accessMask3, compoundAceType, sid3);
}
else
{
AceFlags flags4 = (AceFlags)binaryForm[offset + 1];
byte[] array = null;
int num = (int)binaryForm[offset + 2] + ((int)binaryForm[offset + 3] << 8);
if (num % 4 != 0)
{
goto IL_1A8;
}
int num2 = num - 4;
if (num2 > 0)
{
array = new byte[num2];
for (int i = 0; i < num2; i++)
{
array[i] = binaryForm[offset + num - num2 + i];
}
}
genericAce = new CustomAce(aceType, flags4, array);
}
if ((genericAce is ObjectAce || (int)binaryForm[offset + 2] + ((int)binaryForm[offset + 3] << 8) == genericAce.BinaryLength) && (!(genericAce is ObjectAce) || (int)binaryForm[offset + 2] + ((int)binaryForm[offset + 3] << 8) == genericAce.BinaryLength || (int)binaryForm[offset + 2] + ((int)binaryForm[offset + 3] << 8) - 32 == genericAce.BinaryLength))
{
return(genericAce);
}
IL_1A8:
throw new ArgumentException(Environment.GetResourceString("ArgumentException_InvalidAceBinaryForm"), "binaryForm");
}
// Token: 0x06001E7A RID: 7802 RVA: 0x0006A800 File Offset: 0x00068A00
internal static bool ParseBinaryForm(byte[] binaryForm, int offset, out AceQualifier qualifier, out int accessMask, out SecurityIdentifier sid, out ObjectAceFlags objectFlags, out Guid objectAceType, out Guid inheritedObjectAceType, out bool isCallback, out byte[] opaque)
{
byte[] array = new byte[16];
GenericAce.VerifyHeader(binaryForm, offset);
if (binaryForm.Length - offset >= 12 + SecurityIdentifier.MinBinaryLength)
{
AceType aceType = (AceType)binaryForm[offset];
if (aceType == AceType.AccessAllowedObject || aceType == AceType.AccessDeniedObject || aceType == AceType.SystemAuditObject || aceType == AceType.SystemAlarmObject)
{
isCallback = false;
}
else
{
if (aceType != AceType.AccessAllowedCallbackObject && aceType != AceType.AccessDeniedCallbackObject && aceType != AceType.SystemAuditCallbackObject && aceType != AceType.SystemAlarmCallbackObject)
{
goto IL_209;
}
isCallback = true;
}
if (aceType == AceType.AccessAllowedObject || aceType == AceType.AccessAllowedCallbackObject)
{
qualifier = AceQualifier.AccessAllowed;
}
else if (aceType == AceType.AccessDeniedObject || aceType == AceType.AccessDeniedCallbackObject)
{
qualifier = AceQualifier.AccessDenied;
}
else if (aceType == AceType.SystemAuditObject || aceType == AceType.SystemAuditCallbackObject)
{
qualifier = AceQualifier.SystemAudit;
}
else
{
if (aceType != AceType.SystemAlarmObject && aceType != AceType.SystemAlarmCallbackObject)
{
goto IL_209;
}
qualifier = AceQualifier.SystemAlarm;
}
int num = offset + 4;
int num2 = 0;
accessMask = (int)binaryForm[num] + ((int)binaryForm[num + 1] << 8) + ((int)binaryForm[num + 2] << 16) + ((int)binaryForm[num + 3] << 24);
num2 += 4;
objectFlags = (ObjectAceFlags)((int)binaryForm[num + num2] + ((int)binaryForm[num + num2 + 1] << 8) + ((int)binaryForm[num + num2 + 2] << 16) + ((int)binaryForm[num + num2 + 3] << 24));
num2 += 4;
if ((objectFlags & ObjectAceFlags.ObjectAceTypePresent) != ObjectAceFlags.None)
{
for (int i = 0; i < 16; i++)
{
array[i] = binaryForm[num + num2 + i];
}
num2 += 16;
}
else
{
for (int j = 0; j < 16; j++)
{
array[j] = 0;
}
}
objectAceType = new Guid(array);
if ((objectFlags & ObjectAceFlags.InheritedObjectAceTypePresent) != ObjectAceFlags.None)
{
for (int k = 0; k < 16; k++)
{
array[k] = binaryForm[num + num2 + k];
}
num2 += 16;
}
else
{
for (int l = 0; l < 16; l++)
{
array[l] = 0;
}
}
inheritedObjectAceType = new Guid(array);
sid = new SecurityIdentifier(binaryForm, num + num2);
opaque = null;
int num3 = ((int)binaryForm[offset + 3] << 8) + (int)binaryForm[offset + 2];
if (num3 % 4 == 0)
{
int num4 = num3 - 4 - 4 - 4 - (int)((byte)sid.BinaryLength);
if ((objectFlags & ObjectAceFlags.ObjectAceTypePresent) != ObjectAceFlags.None)
{
num4 -= 16;
}
if ((objectFlags & ObjectAceFlags.InheritedObjectAceTypePresent) != ObjectAceFlags.None)
{
num4 -= 16;
}
if (num4 > 0)
{
opaque = new byte[num4];
for (int m = 0; m < num4; m++)
{
opaque[m] = binaryForm[offset + num3 - num4 + m];
}
}
return(true);
}
}
IL_209:
qualifier = AceQualifier.AccessAllowed;
accessMask = 0;
sid = null;
objectFlags = ObjectAceFlags.None;
objectAceType = Guid.NewGuid();
inheritedObjectAceType = Guid.NewGuid();
isCallback = false;
opaque = null;
return(false);
}
// Token: 0x06001E71 RID: 7793 RVA: 0x0006A4FC File Offset: 0x000686FC
internal static bool ParseBinaryForm(byte[] binaryForm, int offset, out AceQualifier qualifier, out int accessMask, out SecurityIdentifier sid, out bool isCallback, out byte[] opaque)
{
GenericAce.VerifyHeader(binaryForm, offset);
if (binaryForm.Length - offset >= 8 + SecurityIdentifier.MinBinaryLength)
{
AceType aceType = (AceType)binaryForm[offset];
if (aceType == AceType.AccessAllowed || aceType == AceType.AccessDenied || aceType == AceType.SystemAudit || aceType == AceType.SystemAlarm)
{
isCallback = false;
}
else
{
if (aceType != AceType.AccessAllowedCallback && aceType != AceType.AccessDeniedCallback && aceType != AceType.SystemAuditCallback && aceType != AceType.SystemAlarmCallback)
{
goto IL_114;
}
isCallback = true;
}
if (aceType == AceType.AccessAllowed || aceType == AceType.AccessAllowedCallback)
{
qualifier = AceQualifier.AccessAllowed;
}
else if (aceType == AceType.AccessDenied || aceType == AceType.AccessDeniedCallback)
{
qualifier = AceQualifier.AccessDenied;
}
else if (aceType == AceType.SystemAudit || aceType == AceType.SystemAuditCallback)
{
qualifier = AceQualifier.SystemAudit;
}
else
{
if (aceType != AceType.SystemAlarm && aceType != AceType.SystemAlarmCallback)
{
goto IL_114;
}
qualifier = AceQualifier.SystemAlarm;
}
int num = offset + 4;
int num2 = 0;
accessMask = (int)binaryForm[num] + ((int)binaryForm[num + 1] << 8) + ((int)binaryForm[num + 2] << 16) + ((int)binaryForm[num + 3] << 24);
num2 += 4;
sid = new SecurityIdentifier(binaryForm, num + num2);
opaque = null;
int num3 = ((int)binaryForm[offset + 3] << 8) + (int)binaryForm[offset + 2];
if (num3 % 4 == 0)
{
int num4 = num3 - 4 - 4 - (int)((byte)sid.BinaryLength);
if (num4 > 0)
{
opaque = new byte[num4];
for (int i = 0; i < num4; i++)
{
opaque[i] = binaryForm[offset + num3 - num4 + i];
}
}
return(true);
}
}
IL_114:
qualifier = AceQualifier.AccessAllowed;
accessMask = 0;
sid = null;
isCallback = false;
opaque = null;
return(false);
}
internal static bool ParseBinaryForm(byte[] binaryForm, int offset, out AceQualifier qualifier, out int accessMask, out SecurityIdentifier sid, out System.Security.AccessControl.ObjectAceFlags objectFlags, out Guid objectAceType, out Guid inheritedObjectAceType, out bool isCallback, out byte[] opaque)
{
int num;
byte[] b = new byte[0x10];
GenericAce.VerifyHeader(binaryForm, offset);
if ((binaryForm.Length - offset) < (12 + SecurityIdentifier.MinBinaryLength))
{
goto Label_0209;
}
AceType type = (AceType)binaryForm[offset];
switch (type)
{
case AceType.AccessAllowedObject:
case AceType.AccessDeniedObject:
case AceType.SystemAuditObject:
case AceType.SystemAlarmObject:
isCallback = false;
break;
default:
if (((type != AceType.AccessAllowedCallbackObject) && (type != AceType.AccessDeniedCallbackObject)) && ((type != AceType.SystemAuditCallbackObject) && (type != AceType.SystemAlarmCallbackObject)))
{
goto Label_0209;
}
isCallback = true;
break;
}
switch (type)
{
case AceType.AccessAllowedObject:
case AceType.AccessAllowedCallbackObject:
qualifier = AceQualifier.AccessAllowed;
break;
default:
switch (type)
{
case AceType.AccessDeniedObject:
case AceType.AccessDeniedCallbackObject:
qualifier = AceQualifier.AccessDenied;
goto Label_008F;
case AceType.SystemAuditObject:
case AceType.SystemAuditCallbackObject:
qualifier = AceQualifier.SystemAudit;
goto Label_008F;
}
if ((type != AceType.SystemAlarmObject) && (type != AceType.SystemAlarmCallbackObject))
{
goto Label_0209;
}
qualifier = AceQualifier.SystemAlarm;
break;
}
Label_008F:
num = offset + 4;
int num2 = 0;
accessMask = ((binaryForm[num] + (binaryForm[num + 1] << 8)) + (binaryForm[num + 2] << 0x10)) + (binaryForm[num + 3] << 0x18);
num2 += 4;
objectFlags = (System.Security.AccessControl.ObjectAceFlags)(((binaryForm[num + num2] + (binaryForm[(num + num2) + 1] << 8)) + (binaryForm[(num + num2) + 2] << 0x10)) + (binaryForm[(num + num2) + 3] << 0x18));
num2 += 4;
if ((objectFlags & System.Security.AccessControl.ObjectAceFlags.ObjectAceTypePresent) != System.Security.AccessControl.ObjectAceFlags.None)
{
for (int i = 0; i < 0x10; i++)
{
b[i] = binaryForm[(num + num2) + i];
}
num2 += 0x10;
}
else
{
for (int j = 0; j < 0x10; j++)
{
b[j] = 0;
}
}
objectAceType = new Guid(b);
if ((objectFlags & System.Security.AccessControl.ObjectAceFlags.InheritedObjectAceTypePresent) != System.Security.AccessControl.ObjectAceFlags.None)
{
for (int k = 0; k < 0x10; k++)
{
b[k] = binaryForm[(num + num2) + k];
}
num2 += 0x10;
}
else
{
for (int m = 0; m < 0x10; m++)
{
b[m] = 0;
}
}
inheritedObjectAceType = new Guid(b);
sid = new SecurityIdentifier(binaryForm, num + num2);
opaque = null;
int num7 = (binaryForm[offset + 3] << 8) + binaryForm[offset + 2];
if ((num7 % 4) == 0)
{
int num8 = (((num7 - 4) - 4) - 4) - ((byte)sid.BinaryLength);
if ((objectFlags & System.Security.AccessControl.ObjectAceFlags.ObjectAceTypePresent) != System.Security.AccessControl.ObjectAceFlags.None)
{
num8 -= 0x10;
}
if ((objectFlags & System.Security.AccessControl.ObjectAceFlags.InheritedObjectAceTypePresent) != System.Security.AccessControl.ObjectAceFlags.None)
{
num8 -= 0x10;
}
if (num8 > 0)
{
opaque = new byte[num8];
for (int n = 0; n < num8; n++)
{
opaque[n] = binaryForm[((offset + num7) - num8) + n];
}
}
return(true);
}
Label_0209:
qualifier = AceQualifier.AccessAllowed;
accessMask = 0;
sid = null;
objectFlags = System.Security.AccessControl.ObjectAceFlags.None;
objectAceType = Guid.NewGuid();
inheritedObjectAceType = Guid.NewGuid();
isCallback = false;
opaque = null;
return(false);
}
internal static bool ParseBinaryForm(byte[] binaryForm, int offset, out AceQualifier qualifier, out int accessMask, out SecurityIdentifier sid, out bool isCallback, out byte[] opaque)
{
int num;
GenericAce.VerifyHeader(binaryForm, offset);
if ((binaryForm.Length - offset) < (8 + SecurityIdentifier.MinBinaryLength))
{
goto Label_0114;
}
AceType type = (AceType)binaryForm[offset];
switch (type)
{
case AceType.AccessAllowed:
case AceType.AccessDenied:
case AceType.SystemAudit:
case AceType.SystemAlarm:
isCallback = false;
break;
default:
if (((type != AceType.AccessAllowedCallback) && (type != AceType.AccessDeniedCallback)) && ((type != AceType.SystemAuditCallback) && (type != AceType.SystemAlarmCallback)))
{
goto Label_0114;
}
isCallback = true;
break;
}
switch (type)
{
case AceType.AccessAllowed:
case AceType.AccessAllowedCallback:
qualifier = AceQualifier.AccessAllowed;
break;
default:
switch (type)
{
case AceType.AccessDenied:
case AceType.AccessDeniedCallback:
qualifier = AceQualifier.AccessDenied;
goto Label_0084;
case AceType.SystemAudit:
case AceType.SystemAuditCallback:
qualifier = AceQualifier.SystemAudit;
goto Label_0084;
}
if ((type != AceType.SystemAlarm) && (type != AceType.SystemAlarmCallback))
{
goto Label_0114;
}
qualifier = AceQualifier.SystemAlarm;
break;
}
Label_0084:
num = offset + 4;
int num2 = 0;
accessMask = ((binaryForm[num] + (binaryForm[num + 1] << 8)) + (binaryForm[num + 2] << 0x10)) + (binaryForm[num + 3] << 0x18);
num2 += 4;
sid = new SecurityIdentifier(binaryForm, num + num2);
opaque = null;
int num3 = (binaryForm[offset + 3] << 8) + binaryForm[offset + 2];
if ((num3 % 4) == 0)
{
int num4 = ((num3 - 4) - 4) - ((byte)sid.BinaryLength);
if (num4 > 0)
{
opaque = new byte[num4];
for (int i = 0; i < num4; i++)
{
opaque[i] = binaryForm[((offset + num3) - num4) + i];
}
}
return(true);
}
Label_0114:
qualifier = AceQualifier.AccessAllowed;
accessMask = 0;
sid = null;
isCallback = false;
opaque = null;
return(false);
}
internal static bool ParseBinaryForm(byte[] binaryForm, int offset, out AceQualifier qualifier, out int accessMask, out SecurityIdentifier sid, out bool isCallback, out byte[] opaque)
{
GenericAce.VerifyHeader(binaryForm, offset);
if (binaryForm.Length - offset >= 8 + SecurityIdentifier.MinBinaryLength)
{
AceType aceType = (AceType)binaryForm[offset];
switch (aceType)
{
case AceType.AccessAllowed:
case AceType.AccessDenied:
case AceType.SystemAudit:
case AceType.SystemAlarm:
isCallback = false;
break;
case AceType.AccessAllowedCallback:
case AceType.AccessDeniedCallback:
case AceType.SystemAuditCallback:
case AceType.SystemAlarmCallback:
isCallback = true;
break;
default:
goto label_18;
}
if (aceType == AceType.AccessAllowed || aceType == AceType.AccessAllowedCallback)
{
qualifier = AceQualifier.AccessAllowed;
}
else if (aceType == AceType.AccessDenied || aceType == AceType.AccessDeniedCallback)
{
qualifier = AceQualifier.AccessDenied;
}
else if (aceType == AceType.SystemAudit || aceType == AceType.SystemAuditCallback)
{
qualifier = AceQualifier.SystemAudit;
}
else if (aceType == AceType.SystemAlarm || aceType == AceType.SystemAlarmCallback)
{
qualifier = AceQualifier.SystemAlarm;
}
else
{
goto label_18;
}
int num1 = offset + 4;
int num2 = 0;
accessMask = (int)binaryForm[num1 + 0] + ((int)binaryForm[num1 + 1] << 8) + ((int)binaryForm[num1 + 2] << 16) + ((int)binaryForm[num1 + 3] << 24);
int num3 = num2 + 4;
sid = new SecurityIdentifier(binaryForm, num1 + num3);
opaque = (byte[])null;
int num4 = ((int)binaryForm[offset + 3] << 8) + (int)binaryForm[offset + 2];
if (num4 % 4 == 0)
{
int length = num4 - 4 - 4 - (int)(byte)sid.BinaryLength;
if (length > 0)
{
opaque = new byte[length];
for (int index = 0; index < length; ++index)
{
opaque[index] = binaryForm[offset + num4 - length + index];
}
}
return(true);
}
}
label_18:
qualifier = AceQualifier.AccessAllowed;
accessMask = 0;
sid = (SecurityIdentifier)null;
isCallback = false;
opaque = (byte[])null;
return(false);
}
internal static bool ParseBinaryForm(byte[] binaryForm, int offset, out AceQualifier qualifier, out int accessMask, out SecurityIdentifier sid, out ObjectAceFlags objectFlags, out Guid objectAceType, out Guid inheritedObjectAceType, out bool isCallback, out byte[] opaque)
{
byte[] b = new byte[16];
GenericAce.VerifyHeader(binaryForm, offset);
if (binaryForm.Length - offset >= 12 + SecurityIdentifier.MinBinaryLength)
{
AceType aceType = (AceType)binaryForm[offset];
switch (aceType)
{
case AceType.AccessAllowedObject:
case AceType.AccessDeniedObject:
case AceType.SystemAuditObject:
case AceType.SystemAlarmObject:
isCallback = false;
break;
case AceType.AccessAllowedCallbackObject:
case AceType.AccessDeniedCallbackObject:
case AceType.SystemAuditCallbackObject:
case AceType.SystemAlarmCallbackObject:
isCallback = true;
break;
default:
goto label_38;
}
if (aceType == AceType.AccessAllowedObject || aceType == AceType.AccessAllowedCallbackObject)
{
qualifier = AceQualifier.AccessAllowed;
}
else if (aceType == AceType.AccessDeniedObject || aceType == AceType.AccessDeniedCallbackObject)
{
qualifier = AceQualifier.AccessDenied;
}
else if (aceType == AceType.SystemAuditObject || aceType == AceType.SystemAuditCallbackObject)
{
qualifier = AceQualifier.SystemAudit;
}
else if (aceType == AceType.SystemAlarmObject || aceType == AceType.SystemAlarmCallbackObject)
{
qualifier = AceQualifier.SystemAlarm;
}
else
{
goto label_38;
}
int num1 = offset + 4;
int num2 = 0;
accessMask = (int)binaryForm[num1 + 0] + ((int)binaryForm[num1 + 1] << 8) + ((int)binaryForm[num1 + 2] << 16) + ((int)binaryForm[num1 + 3] << 24);
int num3 = num2 + 4;
objectFlags = (ObjectAceFlags)((int)binaryForm[num1 + num3 + 0] + ((int)binaryForm[num1 + num3 + 1] << 8) + ((int)binaryForm[num1 + num3 + 2] << 16) + ((int)binaryForm[num1 + num3 + 3] << 24));
int num4 = num3 + 4;
if ((objectFlags & ObjectAceFlags.ObjectAceTypePresent) != ObjectAceFlags.None)
{
for (int index = 0; index < 16; ++index)
{
b[index] = binaryForm[num1 + num4 + index];
}
num4 += 16;
}
else
{
for (int index = 0; index < 16; ++index)
{
b[index] = (byte)0;
}
}
objectAceType = new Guid(b);
if ((objectFlags & ObjectAceFlags.InheritedObjectAceTypePresent) != ObjectAceFlags.None)
{
for (int index = 0; index < 16; ++index)
{
b[index] = binaryForm[num1 + num4 + index];
}
num4 += 16;
}
else
{
for (int index = 0; index < 16; ++index)
{
b[index] = (byte)0;
}
}
inheritedObjectAceType = new Guid(b);
sid = new SecurityIdentifier(binaryForm, num1 + num4);
opaque = (byte[])null;
int num5 = ((int)binaryForm[offset + 3] << 8) + (int)binaryForm[offset + 2];
if (num5 % 4 == 0)
{
int length = num5 - 4 - 4 - 4 - (int)(byte)sid.BinaryLength;
if ((objectFlags & ObjectAceFlags.ObjectAceTypePresent) != ObjectAceFlags.None)
{
length -= 16;
}
if ((objectFlags & ObjectAceFlags.InheritedObjectAceTypePresent) != ObjectAceFlags.None)
{
length -= 16;
}
if (length > 0)
{
opaque = new byte[length];
for (int index = 0; index < length; ++index)
{
opaque[index] = binaryForm[offset + num5 - length + index];
}
}
return(true);
}
}
label_38:
qualifier = AceQualifier.AccessAllowed;
accessMask = 0;
sid = (SecurityIdentifier)null;
objectFlags = ObjectAceFlags.None;
objectAceType = Guid.NewGuid();
inheritedObjectAceType = Guid.NewGuid();
isCallback = false;
opaque = (byte[])null;
return(false);
}
/// <summary>从指定的二进制数据创建一个 <see cref="T:System.Security.AccessControl.GenericAce" /> 对象。</summary>
/// <returns>此方法创建的 <see cref="T:System.Security.AccessControl.GenericAce" /> 对象。</returns>
/// <param name="binaryForm">用于创建新 <see cref="T:System.Security.AccessControl.GenericAce" /> 对象的二进制数据。</param>
/// <param name="offset">开始取消封送的偏移量。</param>
public static GenericAce CreateFromBinaryForm(byte[] binaryForm, int offset)
{
GenericAce.VerifyHeader(binaryForm, offset);
AceType type = (AceType)binaryForm[offset];
GenericAce genericAce;
switch (type)
{
case AceType.AccessAllowed:
case AceType.AccessDenied:
case AceType.SystemAudit:
case AceType.SystemAlarm:
case AceType.AccessAllowedCallback:
case AceType.AccessDeniedCallback:
case AceType.SystemAuditCallback:
case AceType.SystemAlarmCallback:
AceQualifier qualifier1;
int accessMask1;
SecurityIdentifier sid1;
bool isCallback1;
byte[] opaque1;
if (CommonAce.ParseBinaryForm(binaryForm, offset, out qualifier1, out accessMask1, out sid1, out isCallback1, out opaque1))
{
genericAce = (GenericAce) new CommonAce((AceFlags)binaryForm[offset + 1], qualifier1, accessMask1, sid1, isCallback1, opaque1);
break;
}
goto label_15;
case AceType.AccessAllowedObject:
case AceType.AccessDeniedObject:
case AceType.SystemAuditObject:
case AceType.SystemAlarmObject:
case AceType.AccessAllowedCallbackObject:
case AceType.AccessDeniedCallbackObject:
case AceType.SystemAuditCallbackObject:
case AceType.SystemAlarmCallbackObject:
AceQualifier qualifier2;
int accessMask2;
SecurityIdentifier sid2;
ObjectAceFlags objectFlags;
Guid objectAceType;
Guid inheritedObjectAceType;
bool isCallback2;
byte[] opaque2;
if (ObjectAce.ParseBinaryForm(binaryForm, offset, out qualifier2, out accessMask2, out sid2, out objectFlags, out objectAceType, out inheritedObjectAceType, out isCallback2, out opaque2))
{
genericAce = (GenericAce) new ObjectAce((AceFlags)binaryForm[offset + 1], qualifier2, accessMask2, sid2, objectFlags, objectAceType, inheritedObjectAceType, isCallback2, opaque2);
break;
}
goto label_15;
case AceType.AccessAllowedCompound:
int accessMask3;
CompoundAceType compoundAceType;
SecurityIdentifier sid3;
if (CompoundAce.ParseBinaryForm(binaryForm, offset, out accessMask3, out compoundAceType, out sid3))
{
genericAce = (GenericAce) new CompoundAce((AceFlags)binaryForm[offset + 1], accessMask3, compoundAceType, sid3);
break;
}
goto label_15;
default:
AceFlags flags = (AceFlags)binaryForm[offset + 1];
byte[] opaque3 = (byte[])null;
int num = (int)binaryForm[offset + 2] + ((int)binaryForm[offset + 3] << 8);
if (num % 4 == 0)
{
int length = num - 4;
if (length > 0)
{
opaque3 = new byte[length];
for (int index = 0; index < length; ++index)
{
opaque3[index] = binaryForm[offset + num - length + index];
}
}
genericAce = (GenericAce) new CustomAce(type, flags, opaque3);
break;
}
goto label_15;
}
if ((genericAce is ObjectAce || (int)binaryForm[offset + 2] + ((int)binaryForm[offset + 3] << 8) == genericAce.BinaryLength) && (!(genericAce is ObjectAce) || (int)binaryForm[offset + 2] + ((int)binaryForm[offset + 3] << 8) == genericAce.BinaryLength || (int)binaryForm[offset + 2] + ((int)binaryForm[offset + 3] << 8) - 32 == genericAce.BinaryLength))
{
return(genericAce);
}
label_15:
throw new ArgumentException(Environment.GetResourceString("ArgumentException_InvalidAceBinaryForm"), "binaryForm");
}
