1 files changed, 55 insertions, 0 deletions
diff --git a/src/mxml.c b/src/mxml.c
new file mode 100644
index 0000000..76fb05f
--- /dev/null
+++ b/src/mxml.c
@@ -0,0 +1,55 @@
+/*
+ * (C) 2012-2013 by Pablo Neira Ayuso <pablo@netfilter.org>
+ * (C) 2013 by Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This code has been sponsored by Sophos Astaro <http://www.sophos.com>
+ */
+#include "internal.h"
+#include "expr_ops.h"
+
+#include <linux/netfilter/nf_tables.h>
+#include <libnftables/rule.h>
+#include <libnftables/expr.h>
+
+struct nft_rule_expr *nft_mxml_expr_parse(mxml_node_t *node)
+{
+	mxml_node_t *tree;
+	struct nft_rule_expr *e;
+	const char *expr_name;
+	char *xml_text;
+	int ret;
+
+	expr_name = mxmlElementGetAttr(node, "type");
+	if (expr_name == NULL)
+		goto err;
+
+	e = nft_rule_expr_alloc(expr_name);
+	if (e == NULL)
+		goto err;
+
+	xml_text = mxmlSaveAllocString(node, MXML_NO_CALLBACK);
+	if (xml_text == NULL)
+		goto err_expr;
+
+	tree = mxmlLoadString(NULL, xml_text, MXML_OPAQUE_CALLBACK);
+	free(xml_text);
+
+	if (tree == NULL)
+		goto err_expr;
+
+	ret = e->ops->xml_parse(e, tree);
+	mxmlDelete(tree);
+
+	return ret < 0 ? NULL : e;
+err_expr:
+	nft_rule_expr_free(e);
+err:
+	mxmlDelete(tree);
+	errno = EINVAL;
+	return NULL;
+}