cjdns: support the supernodes feature (#884)

Signed-off-by: William Fleurant <meshnet@protonmail.com>

cjdns/Makefile

@@ -18,7 +18,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=cjdns
 PKG_VERSION:=v21.1
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/cjdelisle/cjdns/tar.gz/$(PKG_NAME)-$(PKG_VERSION)?

cjdns/lua/cjdns/uci.lua

@@ -53,6 +53,10 @@ function UCI.get()
     obj.router.interface.tunDevice = config.tun_device
   end
 
+  cursor:foreach("cjdns", "supernodes", function(supernodes)
+    table.insert(obj.router.supernodes, supernodes.public_key)
+  end)
+
   for i,section in pairs(obj.security) do
     if type(section.seccomp) == "number" then
       obj.security[i].seccomp = tonumber(config.seccomp)