#!/bin/sh

## allow these addresses to be provided in case of:
## - local development/testing
## - `hostname -I' random failures or misbehavior
if [ -z "${NGX_IP_ADDRESSES:-}" ] ; then
	NGX_IP_ADDRESSES=$(hostname -I)
fi
NGX_IP_ADDRESSES=$(normalize_list "${NGX_IP_ADDRESSES}")
export NGX_IP_ADDRESSES

unset NGX_IPV4_ADDRESSES NGX_IPV6_ADDRESSES
for i in ${NGX_IP_ADDRESSES} ; do
	case "$i" in
	*:* )
		## TODO: IPv6 address validation
		NGX_IPV6_ADDRESSES=$(append_list "${NGX_IPV6_ADDRESSES}" "$i")
	;;
	* )
		if ! is_ipv4_address "$i" ; then
			log_always "invalid IPv4 address: $i"
			continue
		fi
		NGX_IPV4_ADDRESSES=$(append_list "${NGX_IPV4_ADDRESSES}" "$i")
	;;
	esac
done
unset i

export NGX_IPV4_ADDRESSES NGX_IPV6_ADDRESSES