public SecurityDescriptor(
SecurityIdentifier owner,
SecurityIdentifier group,
AccessControlList dacl,
AccessControlList sacl,
SecurityDescriptorControl control)
{
// create security descriptor
_pSd = CreateSecurityDescriptor(
owner == null ? IntPtr.Zero : owner.Handle,
group == null ? IntPtr.Zero : group.Handle,
dacl == null ? IntPtr.Zero : dacl.Handle,
sacl == null ? IntPtr.Zero : sacl.Handle,
control);
// query properties
uint revision;
uint controlFlags;
if (!SecurityNative.GetSecurityDescriptorControl(_pSd, out controlFlags, out revision))
throw new Win32Exception(Marshal.GetLastWin32Error());
_revision = (int)revision;
_control = (SecurityDescriptorControl)controlFlags;
_owner = owner;
_group = group;
_dacl = dacl;
_sacl = sacl;
}
internal SecurityDescriptor(IntPtr pSd, bool copy)
{
// get security descriptor information
IntPtr pOwner;
IntPtr pGroup;
IntPtr pDacl;
IntPtr pSacl;
SecurityDescriptorControl control;
GetSecurityDescriptorInfo(
pSd,
out pOwner,
out pGroup,
out pDacl,
out pSacl,
out control);
bool copyStructs;
if (copy)
{
// create security descriptor
_pSd = CreateSecurityDescriptor(pOwner, pGroup, pDacl, pSacl, control);
copyStructs = true;
}
else
{
// store pointer
_pSd = new LocalAllocHandle(pSd);
copyStructs = (control & SecurityDescriptorControl.SelfRelative) != 0;
}
// query properties
uint revision;
uint controlFlags;
if (!SecurityNative.GetSecurityDescriptorControl(_pSd, out controlFlags, out revision))
throw new Win32Exception(Marshal.GetLastWin32Error());
_revision = (int)revision;
_control = (SecurityDescriptorControl)controlFlags;
if (pOwner != IntPtr.Zero)
_owner = new SecurityIdentifier(pOwner, copyStructs);
if (pGroup != IntPtr.Zero)
_group = new SecurityIdentifier(pGroup, copyStructs);
if (pDacl != IntPtr.Zero)
_dacl = new AccessControlList(pDacl, copyStructs);
if (pSacl != IntPtr.Zero)
_sacl = new AccessControlList(pSacl, copyStructs);
}
public SecurityDescriptor(SecurityIdentifier owner, SecurityIdentifier group, AccessControlList dacl, AccessControlList sacl)
: this(owner, group, dacl, sacl, 0)
{
}
public SecurityDescriptor(AccessControlList dacl)
: this(null, null, dacl, null, 0)
{
}
