unbound: fix local dns synthesis corner cases

Signed-off-by: Eric Luehrsen <ericluehrsen@gmail.com>

net/unbound/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=unbound
 PKG_VERSION:=1.9.1
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://www.unbound.net/downloads

net/unbound/files/odhcpd.awk

@@ -36,10 +36,12 @@
   sub( /.*\//, "", cdr ) ;
   sub( /\/.*/, "", adr2 ) ;
   sub( /.*\//, "", cdr2 ) ;
+  gsub( /_/, "-", hst ) ;
 
 
   if ( hst !~ /^[[:alnum:]]([-[:alnum:]]*[[:alnum:]])?$/ ) {
     # that is not a valid host name (RFC1123)
+    # above replaced common error of "_" in host name with "-"
     hst = "-" ;
   }
 
@@ -48,7 +50,7 @@
     # TODO: this might be better with a substituion option,
     # or per DHCP pool do-not-DNS option, but its getting busy here.
     fqdn = net
-    fqdn = sub( /\./, "-", fqdn ) ;
+    gsub( /\./, "-", fqdn ) ;
     fqdn = tolower( hst "." fqdn "." domain ) ;
   }
 
@@ -86,6 +88,7 @@
 
       while ( ( cmd | getline adr ) > 0 ) {
         if (( substr( adr, 1, 5 ) <= "fdff:" ) \
+        && ( index( adr, "::/" ) != 0 ) \
         && ( index( adr, "anycast" ) == 0 ) \
         && ( index( adr, "via" ) == 0 )) {
           # GA or ULA routed addresses only (not LL or MC)

net/unbound/files/unbound.sh

@@ -112,10 +112,11 @@ bundle_all_networks() {
 
 bundle_lan_networks() {
   local cfg="$1"
-  local ifsubnet ifname ifdashname ignore
+  local interface ifsubnet ifname ifdashname ignore
 
   config_get_bool    ignore "$cfg" ignore 0
-  network_get_device ifname "$cfg"
+  config_get         interface "$cfg" interface ""
+  network_get_device ifname "$interface"
   ifdashname="${ifname//./-}"