Re: [PATCH 1/1] [nfs4-acl-tools] handle DENY ace for DELETE, WRITE_OWNER, and NAMED_ATTRS

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On Mon, Nov 03, 2014 at 02:46:51PM -0500, Olga Kornievskaia wrote:
> Don't ignore setting or viewing DENY ace for DELETE, WRITE_OWNER, and
> NAMED_ATTRS.

Agreed, it's trying to enforce some sort of policy when it should just
be leaving the ACL untouched and letting the server sort it out.

Looks like we may as well remove MASK_EQUAL too, though, I can't see any
user.

Applying as follows.

--b.

commit 47f4fae9b746
Author: Olga Kornievskaia <kolga@xxxxxxxxxx>
Date:   Mon Nov 3 14:46:51 2014 -0500

    handle DENY ace for DELETE, WRITE_OWNER, and NAMED_ATTRS
    
    Don't ignore setting or viewing DENY ace for DELETE, WRITE_OWNER, and
    NAMED_ATTRS.
    
    Signed-off-by: Olga Kornievskaia <kolga@xxxxxxxxxx>
    Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>

diff --git a/include/libacl_nfs4.h b/include/libacl_nfs4.h
index 2f7cc2898678..47ca3c458110 100644
--- a/include/libacl_nfs4.h
+++ b/include/libacl_nfs4.h
@@ -95,16 +95,6 @@
 #define NFS4_INHERITANCE_FLAGS (NFS4_ACE_FILE_INHERIT_ACE \
 		| NFS4_ACE_DIRECTORY_INHERIT_ACE | NFS4_ACE_INHERIT_ONLY_ACE)
 
-#define NFS4_ACE_MASK_IGNORE (NFS4_ACE_DELETE | NFS4_ACE_WRITE_OWNER \
-		| NFS4_ACE_READ_NAMED_ATTRS | NFS4_ACE_WRITE_NAMED_ATTRS)
-/* XXX not sure about the following.  Note that e.g. DELETE_CHILD is wrong in
- * general (should only be ignored on files). */
-#define MASK_EQUAL(mask1, mask2) \
-	(((mask1) & NFS4_ACE_MASK_ALL & ~NFS4_ACE_MASK_IGNORE & \
-	  					~NFS4_ACE_DELETE_CHILD) \
-	 == ((mask2) & NFS4_ACE_MASK_ALL & ~NFS4_ACE_MASK_IGNORE & \
-		 				~NFS4_ACE_DELETE_CHILD))
-
 /*
  * NFS4_MAX_ACESIZE -- the number of bytes in the string representation we
  * read in (not the same as on-the-wire, which is also not the same as how
diff --git a/libnfs4acl/nfs4_new_ace.c b/libnfs4acl/nfs4_new_ace.c
index a93f74a3c7b2..0c875b1d9ebd 100644
--- a/libnfs4acl/nfs4_new_ace.c
+++ b/libnfs4acl/nfs4_new_ace.c
@@ -51,9 +51,6 @@ struct nfs4_ace * nfs4_new_ace(int is_directory, u32 type, u32 flag, u32 access_
 	ace->type = type;
 	ace->flag = flag;
 
-	if( type == NFS4_ACE_ACCESS_DENIED_ACE_TYPE )
-		access_mask = access_mask & ~(NFS4_ACE_MASK_IGNORE);
-
 	/* Castrate delete_child if we aren't a directory */
 	if (!is_directory)
 		access_mask &= ~NFS4_ACE_DELETE_CHILD;
--
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