s3:lib: add root_unix_token()

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

diff --git a/source3/include/proto.h b/source3/include/proto.h
index c92d9921d6ec2950dca2580b244bc1771c1dbc7f..81065c893bb881d8a6611efd58e76d044897b2db 100644 (file)
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -415,6 +415,7 @@ bool map_open_params_to_ntcreate(const char *smb_base_fname,
                                 uint32_t *pcreate_options,
                                 uint32_t *pprivate_flags);
 struct security_unix_token *copy_unix_token(TALLOC_CTX *ctx, const struct security_unix_token *tok);
+struct security_unix_token *root_unix_token(TALLOC_CTX *mem_ctx);
 bool dir_check_ftype(uint32_t mode, uint32_t dirtype);
 
 /* The following definitions come from lib/util_builtin.c  */

diff --git a/source3/lib/util.c b/source3/lib/util.c
index a3fe7c8aea2373b56c5cc245828c2c155838f0e7..8ff330bcd26eee67f79bceecb20ad880f8cb56ef 100644 (file)
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -2143,6 +2143,32 @@ struct security_unix_token *copy_unix_token(TALLOC_CTX *ctx, const struct securi
        return cpy;
 }
 
+/****************************************************************************
+ Return a root token
+****************************************************************************/
+
+struct security_unix_token *root_unix_token(TALLOC_CTX *mem_ctx)
+{
+       struct security_unix_token *t = NULL;
+
+       t = talloc_zero(mem_ctx, struct security_unix_token);
+       if (t == NULL) {
+               return NULL;
+       }
+
+       /*
+        * This is not needed, but lets make it explicit, not implicit.
+        */
+       *t = (struct security_unix_token) {
+               .uid = 0,
+               .gid = 0,
+               .ngroups = 0,
+               .groups = NULL
+       };
+
+       return t;
+}
+
 /****************************************************************************
  Check that a file matches a particular file type.
 ****************************************************************************/