browsing smb/samba shares requires having ports 1025 - 65535 open.
this patch grabs the ip address from wlan0 and opens the ports when the source ip is within the local subnet.

switched from: ip -4 -o addr show dev wlan0| awk '{split($4,a,"/");print a[1]}'
to: ip route get 1 | awk -F 'src ' '{ split($2,a," ");print a[1];exit}'

also used a variable to get line length down.

removed the -n from the test to check whether it succeeds, rather than whether the return exists.

thanks @divx118