3 files changed, 33 insertions, 0 deletions

diff --git a/include/libnftnl/chain.h b/include/libnftnl/chain.h
index f04f610..64e10e9 100644
--- a/include/libnftnl/chain.h
+++ b/include/libnftnl/chain.h
@@ -76,6 +76,7 @@ int nftnl_chain_nlmsg_parse(const struct nlmsghdr *nlh, struct nftnl_chain *t);
 int nftnl_rule_foreach(struct nftnl_chain *c,
 			  int (*cb)(struct nftnl_rule *r, void *data),
 			  void *data);
+struct nftnl_rule *nftnl_rule_lookup_byindex(struct nftnl_chain *c, uint32_t index);
 
 struct nftnl_rule_iter;
 
@@ -89,6 +90,7 @@ struct nftnl_chain_list *nftnl_chain_list_alloc(void);
 void nftnl_chain_list_free(struct nftnl_chain_list *list);
 int nftnl_chain_list_is_empty(const struct nftnl_chain_list *list);
 int nftnl_chain_list_foreach(struct nftnl_chain_list *chain_list, int (*cb)(struct nftnl_chain *t, void *data), void *data);
+struct nftnl_chain *nftnl_chain_list_lookup_byname(struct nftnl_chain_list *chain_list, const char *chain);
 
 void nftnl_chain_list_add(struct nftnl_chain *r, struct nftnl_chain_list *list);
 void nftnl_chain_list_add_tail(struct nftnl_chain *r, struct nftnl_chain_list *list);
diff --git a/src/chain.c b/src/chain.c
index c8b7f9b..8668fb7d 100644
--- a/src/chain.c
+++ b/src/chain.c
@@ -734,6 +734,20 @@ int nftnl_rule_foreach(struct nftnl_chain *c,
        return 0;
 }
 
+EXPORT_SYMBOL(nftnl_rule_lookup_byindex);
+struct nftnl_rule *
+nftnl_rule_lookup_byindex(struct nftnl_chain *c, uint32_t index)
+{
+	struct nftnl_rule *r;
+
+	list_for_each_entry(r, &c->rule_list, head) {
+		if (!index)
+			return r;
+		index--;
+	}
+	return NULL;
+}
+
 struct nftnl_rule_iter {
 	const struct nftnl_chain	*c;
 	struct nftnl_rule		*cur;
@@ -856,6 +870,20 @@ int nftnl_chain_list_foreach(struct nftnl_chain_list *chain_list,
 	return 0;
 }
 
+EXPORT_SYMBOL(nftnl_chain_list_lookup_byname);
+struct nftnl_chain *
+nftnl_chain_list_lookup_byname(struct nftnl_chain_list *chain_list,
+			       const char *chain)
+{
+	struct nftnl_chain *c;
+
+	list_for_each_entry(c, &chain_list->list, head) {
+		if (!strcmp(chain, c->name))
+			return c;
+	}
+	return NULL;
+}
+
 struct nftnl_chain_list_iter {
 	const struct nftnl_chain_list	*list;
 	struct nftnl_chain		*cur;
diff --git a/src/libnftnl.map b/src/libnftnl.map
index 96d5b5f..0d3be32 100644
--- a/src/libnftnl.map
+++ b/src/libnftnl.map
@@ -345,4 +345,7 @@ LIBNFTNL_12 {
   nftnl_rule_iter_create;
   nftnl_rule_iter_next;
   nftnl_rule_iter_destroy;
+
+  nftnl_chain_list_lookup_byname;
+  nftnl_rule_lookup_byindex;
 } LIBNFTNL_11;