src: xml: consolidate parsing of data_reg via nft_mxml_data_reg_parse

Move common code for XML parsing of data_reg to the new
nft_mxml_data_reg_parse function.

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 54 insertions, 0 deletions

diff --git a/src/mxml.c b/src/mxml.c
index 9aef645..07f29ac 100644
--- a/src/mxml.c
+++ b/src/mxml.c
@@ -76,4 +76,58 @@ int nft_mxml_reg_parse(mxml_node_t *tree, const char *reg_name, uint32_t flags)
 err:
 	return -1;
 }
+
+int nft_mxml_data_reg_parse(mxml_node_t *tree, const char *node_name,
+			    union nft_data_reg *data_reg)
+{
+	mxml_node_t *node;
+	const char *type;
+	char *tmpstr = NULL;
+	int ret;
+
+	node = mxmlFindElement(tree, tree, node_name, NULL, NULL,
+			       MXML_DESCEND_FIRST);
+	if (node == NULL || node->child == NULL) {
+		errno = EINVAL;
+		goto err;
+	}
+
+	tmpstr = mxmlSaveAllocString(node, MXML_NO_CALLBACK);
+	if (tmpstr == NULL) {
+		errno = ENOMEM;
+		goto err;
+	}
+
+	ret = nft_data_reg_xml_parse(data_reg, tmpstr);
+	free(tmpstr);
+
+	if (ret < 0) {
+		errno = EINVAL;
+		goto err;
+	}
+
+	node = mxmlFindElement(node, node, "data_reg", NULL, NULL,
+			       MXML_DESCEND);
+	if (node == NULL || node->child == NULL) {
+		errno = EINVAL;
+		goto err;
+	}
+
+	type = mxmlElementGetAttr(node, "type");
+	if (type == NULL) {
+		errno = EINVAL;
+		goto err;
+	}
+
+	if (strcmp(type, "value") == 0)
+		return DATA_VALUE;
+	else if (strcmp(type, "verdict") == 0)
+		return DATA_VERDICT;
+	else if (strcmp(type, "chain") == 0)
+		return DATA_CHAIN;
+	else
+		errno = EINVAL;
+err:
+	return -1;
+}
 #endif