RawSecurityDescriptor() [3/3]

System.Security.AccessControl.RawSecurityDescriptor.RawSecurityDescriptor ( byte[] binaryForm, int offset )

inline

Definition at line 107 of file RawSecurityDescriptor.cs.

    {
        if (binaryForm == null)
        {
            throw new ArgumentNullException("binaryForm");
        }
        if (offset < 0)
        {
            throw new ArgumentOutOfRangeException("offset", System.SR.ArgumentOutOfRange_NeedNonNegNum);
        }
        if (binaryForm.Length - offset < 20)
        {
            throw new ArgumentOutOfRangeException("binaryForm", System.SR.ArgumentOutOfRange_ArrayTooSmall);
        }
        if (binaryForm[offset] != GenericSecurityDescriptor.Revision)
        {
            throw new ArgumentOutOfRangeException("binaryForm", System.SR.AccessControl_InvalidSecurityDescriptorRevision);
        }
        byte resourceManagerControl = binaryForm[offset + 1];
        ControlFlags controlFlags = (ControlFlags)(binaryForm[offset + 2] + (binaryForm[offset + 3] << 8));
        if ((controlFlags & ControlFlags.SelfRelative) == 0)
        {
            throw new ArgumentException(System.SR.AccessControl_InvalidSecurityDescriptorSelfRelativeForm, "binaryForm");
        }
        int num = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 4);
        SecurityIdentifier owner = ((num == 0) ? null : new SecurityIdentifier(binaryForm, offset + num));
        int num2 = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 8);
        SecurityIdentifier group = ((num2 == 0) ? null : new SecurityIdentifier(binaryForm, offset + num2));
        int num3 = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 12);
        RawAcl systemAcl = (((controlFlags & ControlFlags.SystemAclPresent) == 0 || num3 == 0) ? null : new RawAcl(binaryForm, offset + num3));
        int num4 = GenericSecurityDescriptor.UnmarshalInt(binaryForm, offset + 16);
        CreateFromParts(controlFlags, owner, group, systemAcl, ((controlFlags & ControlFlags.DiscretionaryAclPresent) == 0 || num4 == 0) ? null : new RawAcl(binaryForm, offset + num4));
        if ((controlFlags & ControlFlags.RMControlValid) != 0)
        {
            ResourceManagerControl = resourceManagerControl;
        }
    }

References System.SR.AccessControl_InvalidSecurityDescriptorRevision, System.SR.AccessControl_InvalidSecurityDescriptorSelfRelativeForm, System.SR.ArgumentOutOfRange_ArrayTooSmall, System.SR.ArgumentOutOfRange_NeedNonNegNum, System.Security.AccessControl.RawSecurityDescriptor.ControlFlags, System.Security.AccessControl.RawSecurityDescriptor.CreateFromParts(), System.offset, System.Security.AccessControl.RawSecurityDescriptor.ResourceManagerControl, System.Security.AccessControl.GenericSecurityDescriptor.Revision, and System.Security.AccessControl.GenericSecurityDescriptor.UnmarshalInt().