* fhandler.cc (fhandler_base::open): Simplify access evaluation

expression.
	(fhandler_base::facl): New method.
	* fhandler.h: Declare facl method in fhandler_base,
	fhandler_disk_file and fhandler_virtual.
	* fhandler_disk_file.cc (fhandler_disk_file::facl): New method.
	* fhandler_virtual.cc (fhandler_virtual::facl): New method.
	* sec_acl.cc: Remove forward declaration for aclsort32 and acl32.
	(setacl): Remove static.  Add and use handle parameter.
	(getacl): Ditto.
	(acl_worker): Reorganize to call fhandler's facl method eventually.
	(facl32): Ditto.
	* security.cc (get_nt_object_security): Remove static.
	* security.h: Add extern declarations for get_nt_object_security,
	aclsort32, acl32, getacl and setacl.


	Apply missing syscalls.cc patch and ChangeLog of previous check in.
	* syscalls.cc (chown_worker): Reorganize to call fhandler's fchown
	method eventually.
	(fchown): Ditto.

winsup/cygwin/fhandler_disk_file.cc

@@ -12,6 +12,7 @@ details. */
 #include <unistd.h>
 #include <stdlib.h>
 #include <sys/cygwin.h>
+#include <sys/acl.h>
 #include <signal.h>
 #include "cygerrno.h"
 #include "perprocess.h"
@@ -445,6 +446,83 @@ fhandler_disk_file::fchown (__uid32_t uid, __gid32_t gid)
   return res;
 }
 
+int _stdcall
+fhandler_disk_file::facl (int cmd, int nentries, __aclent32_t *aclbufp)
+{
+  int res = -1;
+  int oret = 0;
+
+  if (!get_io_handle ())
+    {
+      query_open (query_write_control);
+      if (!(oret = open_fs (O_BINARY, 0)))
+        return -1;
+    }
+
+  if (!pc.has_acls () || !allow_ntsec)
+    {
+      switch (cmd)
+        {
+	  struct __stat64 st;
+
+	  case SETACL:
+	    set_errno (ENOSYS);
+	    break;
+	  case GETACL:
+	    if (!aclbufp)
+	      set_errno(EFAULT);
+	    else if (nentries < MIN_ACL_ENTRIES)
+	      set_errno (ENOSPC);
+	    else if (!fstat_by_handle (&st))
+	      {
+		aclbufp[0].a_type = USER_OBJ;
+		aclbufp[0].a_id = st.st_uid;
+		aclbufp[0].a_perm = (st.st_mode & S_IRWXU) >> 6;
+		aclbufp[1].a_type = GROUP_OBJ;
+		aclbufp[1].a_id = st.st_gid;
+		aclbufp[1].a_perm = (st.st_mode & S_IRWXG) >> 3;
+		aclbufp[2].a_type = OTHER_OBJ;
+		aclbufp[2].a_id = ILLEGAL_GID;
+		aclbufp[2].a_perm = st.st_mode & S_IRWXO;
+		aclbufp[3].a_type = CLASS_OBJ; 
+		aclbufp[3].a_id = ILLEGAL_GID;
+		aclbufp[3].a_perm = S_IRWXU | S_IRWXG | S_IRWXO;
+		res = MIN_ACL_ENTRIES;
+	      }
+	    break;
+	  case GETACLCNT:
+	    res = MIN_ACL_ENTRIES;
+	    break;
+	}
+    }
+  else
+    {
+      switch (cmd)
+	{
+	  case SETACL:
+	    if (!aclsort32 (nentries, 0, aclbufp))
+	      res = setacl (get_io_handle (), pc, nentries, aclbufp);
+	    break;
+	  case GETACL:
+	    if (!aclbufp)
+	      set_errno(EFAULT);
+	    else
+	      res = getacl (get_io_handle (), pc, pc, nentries, aclbufp);
+	    break;
+	  case GETACLCNT:
+	    res = getacl (get_io_handle (), pc, pc, 0, NULL);
+	  default:
+	    set_errno (EINVAL);
+	    break;
+	}
+    }
+
+  if (oret)
+    close_fs ();
+
+  return res;
+}
+
 fhandler_disk_file::fhandler_disk_file () :
   fhandler_base ()
 {