s3: VFS: acl_xattr.c: Add fget_acl_blob().

Separate from get_acl_blob() which took both an fsp and a pathname.
Commented out so we still compile.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>

diff --git a/source3/modules/vfs_acl_xattr.c b/source3/modules/vfs_acl_xattr.c
index 7ac7a8dca60a3299a32fab3ba88b4312bdc9607e..d6005cead72312e1564224ca71737928a8e0d1b8 100644 (file)
--- a/source3/modules/vfs_acl_xattr.c
+++ b/source3/modules/vfs_acl_xattr.c
@@ -64,6 +64,66 @@ static ssize_t getxattr_do(vfs_handle_struct *handle,
        return sizeret;
 }
 
+#if 0
+static NTSTATUS fget_acl_blob(TALLOC_CTX *ctx,
+                       vfs_handle_struct *handle,
+                       files_struct *fsp,
+                       DATA_BLOB *pblob)
+{
+       size_t size = 4096;
+       uint8_t *val = NULL;
+       uint8_t *tmp;
+       ssize_t sizeret;
+
+       ZERO_STRUCTP(pblob);
+
+  again:
+
+       tmp = talloc_realloc(ctx, val, uint8_t, size);
+       if (tmp == NULL) {
+               TALLOC_FREE(val);
+               return NT_STATUS_NO_MEMORY;
+       }
+       val = tmp;
+
+       sizeret =
+           getxattr_do(handle, fsp, NULL, XATTR_NTACL_NAME, val, size);
+
+       if (sizeret >= 0) {
+               pblob->data = val;
+               pblob->length = sizeret;
+               return NT_STATUS_OK;
+       }
+
+       if (errno != ERANGE) {
+               goto err;
+       }
+
+       /* Too small, try again. */
+       sizeret =
+           getxattr_do(handle, fsp, NULL, XATTR_NTACL_NAME, NULL, 0);
+       if (sizeret < 0) {
+               goto err;
+       }
+
+       if (size < sizeret) {
+               size = sizeret;
+       }
+
+       if (size > 65536) {
+               /* Max ACL size is 65536 bytes. */
+               errno = ERANGE;
+               goto err;
+       }
+
+       goto again;
+  err:
+       /* Real error - exit here. */
+       TALLOC_FREE(val);
+       return map_nt_error_from_unix(errno);
+}
+#endif
+
 static NTSTATUS get_acl_blob(TALLOC_CTX *ctx,
                        vfs_handle_struct *handle,
                        files_struct *fsp,