[PATCH 2/3] libsepol/cil: Mark as abstract all sub-blocks of an abstract block

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If a block is marked as abstract, then it will be skipped during
every pass after blockabstracts are resolved (only tunables,
in-befores, and blockinherits are before blockabstracts), so mark
all of its sub-blocks as abstract to reflect their actual status.

Signed-off-by: James Carter <jwcart2@xxxxxxxxx>
---
 libsepol/cil/src/cil_resolve_ast.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/libsepol/cil/src/cil_resolve_ast.c b/libsepol/cil/src/cil_resolve_ast.c
index e97a9f46..0288b7dc 100644
--- a/libsepol/cil/src/cil_resolve_ast.c
+++ b/libsepol/cil/src/cil_resolve_ast.c
@@ -2379,6 +2379,19 @@ exit:
 	return rc;
 }
 
+static void cil_mark_subtree_abstract(struct cil_tree_node *node)
+{
+	struct cil_block *block = node->data;
+
+	block->is_abstract = CIL_TRUE;
+
+	for (node = node->cl_head; node; node = node->next) {
+		if (node->flavor == CIL_BLOCK) {
+			cil_mark_subtree_abstract(node);
+		}
+	}
+}
+
 int cil_resolve_blockabstract(struct cil_tree_node *current, void *extra_args)
 {
 	struct cil_blockabstract *abstract = current->data;
@@ -2398,7 +2411,7 @@ int cil_resolve_blockabstract(struct cil_tree_node *current, void *extra_args)
 		goto exit;
 	}
 
-	((struct cil_block*)block_datum)->is_abstract = CIL_TRUE;
+	cil_mark_subtree_abstract(block_node);
 
 	return SEPOL_OK;
 
-- 
2.31.1




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