shared/firewall-util: parametrize table and set names

Parametrize table and set names for fw_nftables_add_masquerade_internal, rename
to nft_set_element_op_iprange to reflect more general usage. Export and use
nfproto_is_valid().

Remove also unused and obsolete NFPROTO_DECNET.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/shared/firewall-util.h b/src/shared/firewall-util.h
index 7725a5e58d..d0e78beba8 100644
--- a/src/shared/firewall-util.h
+++ b/src/shared/firewall-util.h
@@ -29,3 +29,13 @@ int fw_add_local_dnat(
                 const union in_addr_union *remote,
                 uint16_t remote_port,
                 const union in_addr_union *previous_remote);
+
+int nft_set_element_modify_iprange(
+                FirewallContext *ctx,
+                bool add,
+                int nfproto,
+                int af,
+                const char *table,
+                const char *set,
+                const union in_addr_union *source,
+                unsigned int source_prefixlen);