| static private UnmarshalInt ( byte binaryForm, int offset ) : int | ||
| binaryForm | byte | |
| offset | int | |
| return | int | |
/// <summary>使用指定的字节值数组初始化 <see cref="T:System.Security.AccessControl.RawSecurityDescriptor" /> 类的新实例。</summary>
/// <param name="binaryForm">用于创建新的 <see cref="T:System.Security.AccessControl.RawSecurityDescriptor" /> 对象的字节值数组。</param>
/// <param name="offset">
/// <paramref name="binaryForm" /> 数组中第一个要复制的元素的偏移量。</param>
public RawSecurityDescriptor(byte[] binaryForm, int offset)
{
if (binaryForm == null)
{
throw new ArgumentNullException("binaryForm");
}
if (offset < 0)
{
throw new ArgumentOutOfRangeException("offset", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
}
if (binaryForm.Length - offset < 20)
{
throw new ArgumentOutOfRangeException("binaryForm", Environment.GetResourceString("ArgumentOutOfRange_ArrayTooSmall"));
}
if ((int)binaryForm[offset + 0] != (int)GenericSecurityDescriptor.Revision)
{
throw new ArgumentOutOfRangeException("binaryForm", Environment.GetResourceString("AccessControl_InvalidSecurityDescriptorRevision"));
}
byte num1 = binaryForm[offset + 1];
ControlFlags flags = (ControlFlags)((int)binaryForm[offset + 2] + ((int)binaryForm[offset + 3] << 8));
if ((flags & ControlFlags.SelfRelative) == ControlFlags.None)
{
throw new ArgumentException(Environment.GetResourceString("AccessControl_InvalidSecurityDescriptorSelfRelativeForm"), "binaryForm");
}
int num2 = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 4);
SecurityIdentifier owner = num2 == 0 ? (SecurityIdentifier)null : new SecurityIdentifier(binaryForm, offset + num2);
int num3 = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 8);
SecurityIdentifier group = num3 == 0 ? (SecurityIdentifier)null : new SecurityIdentifier(binaryForm, offset + num3);
int num4 = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 12);
RawAcl systemAcl = (flags & ControlFlags.SystemAclPresent) == ControlFlags.None || num4 == 0 ? (RawAcl)null : new RawAcl(binaryForm, offset + num4);
int num5 = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 16);
RawAcl discretionaryAcl = (flags & ControlFlags.DiscretionaryAclPresent) == ControlFlags.None || num5 == 0 ? (RawAcl)null : new RawAcl(binaryForm, offset + num5);
this.CreateFromParts(flags, owner, group, systemAcl, discretionaryAcl);
if ((flags & ControlFlags.RMControlValid) == ControlFlags.None)
{
return;
}
this.ResourceManagerControl = num1;
}
public RawSecurityDescriptor(byte[] binaryForm, int offset)
{
SecurityIdentifier identifier;
SecurityIdentifier identifier2;
RawAcl acl;
RawAcl acl2;
if (binaryForm == null)
{
throw new ArgumentNullException("binaryForm");
}
if (offset < 0)
{
throw new ArgumentOutOfRangeException("offset", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
}
if ((binaryForm.Length - offset) < 20)
{
throw new ArgumentOutOfRangeException("binaryForm", Environment.GetResourceString("ArgumentOutOfRange_ArrayTooSmall"));
}
if (binaryForm[offset] != GenericSecurityDescriptor.Revision)
{
throw new ArgumentOutOfRangeException("binaryForm", Environment.GetResourceString("AccessControl_InvalidSecurityDescriptorRevision"));
}
byte num = binaryForm[offset + 1];
System.Security.AccessControl.ControlFlags flags = (System.Security.AccessControl.ControlFlags)(binaryForm[offset + 2] + (binaryForm[offset + 3] << 8));
if ((flags & System.Security.AccessControl.ControlFlags.SelfRelative) == System.Security.AccessControl.ControlFlags.None)
{
throw new ArgumentException(Environment.GetResourceString("AccessControl_InvalidSecurityDescriptorSelfRelativeForm"), "binaryForm");
}
int num2 = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 4);
if (num2 != 0)
{
identifier = new SecurityIdentifier(binaryForm, offset + num2);
}
else
{
identifier = null;
}
int num3 = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 8);
if (num3 != 0)
{
identifier2 = new SecurityIdentifier(binaryForm, offset + num3);
}
else
{
identifier2 = null;
}
int num4 = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 12);
if (((flags & System.Security.AccessControl.ControlFlags.SystemAclPresent) != System.Security.AccessControl.ControlFlags.None) && (num4 != 0))
{
acl = new RawAcl(binaryForm, offset + num4);
}
else
{
acl = null;
}
int num5 = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 0x10);
if (((flags & System.Security.AccessControl.ControlFlags.DiscretionaryAclPresent) != System.Security.AccessControl.ControlFlags.None) && (num5 != 0))
{
acl2 = new RawAcl(binaryForm, offset + num5);
}
else
{
acl2 = null;
}
this.CreateFromParts(flags, identifier, identifier2, acl, acl2);
if ((flags & System.Security.AccessControl.ControlFlags.RMControlValid) != System.Security.AccessControl.ControlFlags.None)
{
this.ResourceManagerControl = num;
}
}
/// <summary>Initializes a new instance of the <see cref="T:System.Security.AccessControl.RawSecurityDescriptor" /> class from the specified array of byte values.</summary>
/// <param name="binaryForm">The array of byte values from which to create the new <see cref="T:System.Security.AccessControl.RawSecurityDescriptor" /> object.</param>
/// <param name="offset">The offset in the <paramref name="binaryForm" /> array at which to begin copying.</param>
// Token: 0x06002063 RID: 8291 RVA: 0x0007194C File Offset: 0x0006FB4C
public RawSecurityDescriptor(byte[] binaryForm, int offset)
{
if (binaryForm == null)
{
throw new ArgumentNullException("binaryForm");
}
if (offset < 0)
{
throw new ArgumentOutOfRangeException("offset", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum"));
}
if (binaryForm.Length - offset < 20)
{
throw new ArgumentOutOfRangeException("binaryForm", Environment.GetResourceString("ArgumentOutOfRange_ArrayTooSmall"));
}
if (binaryForm[offset] != GenericSecurityDescriptor.Revision)
{
throw new ArgumentOutOfRangeException("binaryForm", Environment.GetResourceString("AccessControl_InvalidSecurityDescriptorRevision"));
}
byte resourceManagerControl = binaryForm[offset + 1];
ControlFlags controlFlags = (ControlFlags)((int)binaryForm[offset + 2] + ((int)binaryForm[offset + 3] << 8));
if ((controlFlags & ControlFlags.SelfRelative) == ControlFlags.None)
{
throw new ArgumentException(Environment.GetResourceString("AccessControl_InvalidSecurityDescriptorSelfRelativeForm"), "binaryForm");
}
int num = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 4);
SecurityIdentifier owner;
if (num != 0)
{
owner = new SecurityIdentifier(binaryForm, offset + num);
}
else
{
owner = null;
}
int num2 = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 8);
SecurityIdentifier group;
if (num2 != 0)
{
group = new SecurityIdentifier(binaryForm, offset + num2);
}
else
{
group = null;
}
int num3 = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 12);
RawAcl systemAcl;
if ((controlFlags & ControlFlags.SystemAclPresent) != ControlFlags.None && num3 != 0)
{
systemAcl = new RawAcl(binaryForm, offset + num3);
}
else
{
systemAcl = null;
}
int num4 = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 16);
RawAcl discretionaryAcl;
if ((controlFlags & ControlFlags.DiscretionaryAclPresent) != ControlFlags.None && num4 != 0)
{
discretionaryAcl = new RawAcl(binaryForm, offset + num4);
}
else
{
discretionaryAcl = null;
}
this.CreateFromParts(controlFlags, owner, group, systemAcl, discretionaryAcl);
if ((controlFlags & ControlFlags.RMControlValid) != ControlFlags.None)
{
this.ResourceManagerControl = resourceManagerControl;
}
}
