# 1: destination variable # 2: interface # 3: path # 4: separator # 5: limit __network_ifstatus() { local __tmp [ -z "$__NETWORK_CACHE" ] && { __tmp="$(ubus call network.interface dump 2>&1)" case "$?" in 4) : ;; 0) export __NETWORK_CACHE="$__tmp" ;; *) echo "$__tmp" >&2 ;; esac } __tmp="$(jsonfilter ${4:+-F "$4"} ${5:+-l "$5"} -s "${__NETWORK_CACHE:-{}}" -e "$1=@.interface${2:+[@.interface='$2']}$3")" [ -z "$__tmp" ] && \ unset "$1" && \ return 1 eval "$__tmp" } # determine first IPv4 address of given logical interface # 1: destination variable # 2: interface network_get_ipaddr() { __network_ifstatus "$1" "$2" "['ipv4-address'][0].address"; } # determine first IPv6 address of given logical interface # 1: destination variable # 2: interface network_get_ipaddr6() { __network_ifstatus "$1" "$2" "['ipv6-address'][0].address" || \ __network_ifstatus "$1" "$2" "['ipv6-prefix-assignment'][0]['local-address'].address" || \ return 1 } # determine first IPv4 subnet of given logical interface # 1: destination variable # 2: interface network_get_subnet() { __network_ifstatus "$1" "$2" "['ipv4-address'][0]['address','mask']" "/" } # determine first IPv6 subnet of given logical interface # 1: destination variable # 2: interface network_get_subnet6() { local __nets __addr if network_get_subnets6 __nets "$2"; then # Attempt to return first non-fe80::/10, non-fc::/7 range for __addr in $__nets; do case "$__addr" in fe[8ab]?:*|f[cd]??:*) continue esac export "$1=$__addr" return 0 done # Attempt to return first non-fe80::/10 range for __addr in $__nets; do case "$__addr" in fe[8ab]?:*) continue esac export "$1=$__addr" return 0 done # Return first item for __addr in $__nets; do export "$1=$__addr" return 0 done fi unset "$1" return 1 } # determine first IPv6 prefix of given logical interface # 1: destination variable # 2: interface network_get_prefix6() { __network_ifstatus "$1" "$2" "['ipv6-prefix'][0]['address','mask']" "/" } # determine all IPv4 addresses of given logical interface # 1: destination variable # 2: interface network_get_ipaddrs() { __network_ifstatus "$1" "$2" "['ipv4-address'][*].address" } # determine all IPv6 addresses of given logical interface # 1: destination variable # 2: interface network_get_ipaddrs6() { local __addr local __list="" if __network_ifstatus "__addr" "$2" "['ipv6-address'][*].address"; then for __addr in $__addr; do __list="${__list:+$__list }${__addr}" done fi if __network_ifstatus "__addr" "$2" "['ipv6-prefix-assignment'][*]['local-address'].address"; then for __addr in $__addr; do __list="${__list:+$__list }${__addr}" done fi if [ -n "$__list" ]; then export "$1=$__list" return 0 fi unset "$1" return 1 } # determine all IP addresses of given logical interface # 1: destination variable # 2: interface network_get_ipaddrs_all() { local __addr __addr6 network_get_ipaddrs __addr "$2" network_get_ipaddrs6 __addr6 "$2" if [ -n "$__addr" -o -n "$__addr6" ]; then export "$1=${__addr:+$__addr }$__addr6" return 0 fi unset "$1" return 1 } # determine all IPv4 subnets of given logical interface # 1: destination variable # 2: interface network_get_subnets() { __network_ifstatus "$1" "$2" "['ipv4-address'][*]['address','mask']" "/ " } # determine all IPv6 subnets of given logical interface # 1: destination variable # 2: interface network_get_subnets6() { local __addr __mask local __list="" if __network_ifstatus "__addr" "$2" "['ipv6-address'][*]['address','mask']" "/ "; then for __addr in $__addr; do __list="${__list:+$__list }${__addr}" done fi if __network_ifstatus "__addr" "$2" "['ipv6-prefix-assignment'][*]['local-address'].address" && \ __network_ifstatus "__mask" "$2" "['ipv6-prefix-assignment'][*].mask"; then for __addr in $__addr; do __list="${__list:+$__list }${__addr}/${__mask%% *}" __mask="${__mask#* }" done fi if [ -n "$__list" ]; then export "$1=$__list" return 0 fi unset "$1" return 1 } # determine all IPv6 prefixes of given logical interface # 1: destination variable # 2: interface network_get_prefixes6() { __network_ifstatus "$1" "$2" "['ipv6-prefix'][*]['address','mask']" "/ " } # determine IPv4 gateway of given logical interface # 1: destination variable # 2: interface # 3: consider inactive gateway if "true" (optional) network_get_gateway() { __network_ifstatus "$1" "$2" ".route[@.target='0.0.0.0' && !@.table].nexthop" "" 1 && \ return 0 [ "$3" = 1 -o "$3" = "true" ] && \ __network_ifstatus "$1" "$2" ".inactive.route[@.target='0.0.0.0' && !@.table].nexthop" "" 1 } # determine IPv6 gateway of given logical interface # 1: destination variable # 2: interface # 3: consider inactive gateway if "true" (optional) network_get_gateway6() { __network_ifstatus "$1" "$2" ".route[@.target='::' && !@.table].nexthop" "" 1 && \ return 0 [ "$3" = 1 -o "$3" = "true" ] && \ __network_ifstatus "$1" "$2" ".inactive.route[@.target='::' && !@.table].nexthop" "" 1 } # determine the DNS servers of the given logical interface # 1: destination variable # 2: interface # 3: consider inactive servers if "true" (optional) network_get_dnsserver() { __network_ifstatus "$1" "$2" "['dns-server'][*]" && return 0 [ "$3" = 1 -o "$3" = "true" ] && \ __network_ifstatus "$1" "$2" ".inactive['dns-server'][*]" } # determine the domains of the given logical interface # 1: destination variable # 2: interface # 3: consider inactive domains if "true" (optional) network_get_dnssearch() { __network_ifstatus "$1" "$2" "['dns-search'][*]" && return 0 [ "$3" = 1 -o "$3" = "true" ] && \ __network_ifstatus "$1" "$2" ".inactive['dns-search'][*]" } # 1: destination variable # 2: addr # 3: inactive __network_wan() { __network_ifstatus "$1" "" \ "[@.route[@.target='$2' && !@.table]].interface" "" 1 && \ return 0 [ "$3" = 1 -o "$3" = "true" ] && \ __network_ifstatus "$1" "" \ "[@.inactive.route[@.target='$2' && !@.table]].interface" "" 1 } # find the logical interface which holds the current IPv4 default route # 1: destination variable # 2: consider inactive default routes if "true" (optional) network_find_wan() { __network_wan "$1" "0.0.0.0" "$2"; } # find the logical interface which holds the current IPv6 default route # 1: destination variable # 2: consider inactive dafault routes if "true" (optional) network_find_wan6() { __network_wan "$1" "::" "$2"; } # test whether the given logical interface is running # 1: interface network_is_up() { local __up __network_ifstatus "__up" "$1" ".up" && [ "$__up" = 1 ] } # determine the protocol of the given logical interface # 1: destination variable # 2: interface network_get_protocol() { __network_ifstatus "$1" "$2" ".proto"; } # determine the metric of the given logical interface # 1: destination variable # 2: interface network_get_metric() { __network_ifstatus "$1" "$2" ".metric"; } # determine the layer 3 linux network device of the given logical interface # 1: destination variable # 2: interface network_get_device() { __network_ifstatus "$1" "$2" ".l3_device"; } # determine the layer 2 linux network device of the given logical interface # 1: destination variable # 2: interface network_get_physdev() { __network_ifstatus "$1" "$2" ".device"; } # defer netifd actions on the given linux network device # 1: device name network_defer_device() { ubus call network.device set_state \ "$(printf '{ "name": "%s", "defer": true }' "$1")" 2>/dev/null } # continue netifd actions on the given linux network device # 1: device name network_ready_device() { ubus call network.device set_state \ "$(printf '{ "name": "%s", "defer": false }' "$1")" 2>/dev/null } # flush the internal value cache to force re-reading values from ubus network_flush_cache() { unset __NETWORK_CACHE; }