[package] base-files: implement network_get_dnsserver() and network_get_dnssearch...

[openwrt.git] / package / base-files / files / lib / functions / network.sh

diff --git a/package/base-files/files/lib/functions/network.sh b/package/base-files/files/lib/functions/network.sh
index e038c94..d2d4aae 100644 (file)
--- a/package/base-files/files/lib/functions/network.sh
+++ b/package/base-files/files/lib/functions/network.sh
@@ -41,6 +41,98 @@ network_get_subnet()  { __network_ipaddr "$1" "$2" 4 1; }
 network_get_subnet6() { __network_ipaddr "$1" "$2" 6 1; }
 
 
+__network_gateway()
+{
+       local __var="$1"
+       local __iface="$2"
+       local __family="$3"
+
+       local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
+       local __idx=1
+       local __enabled
+
+       json_load "${__tmp:-{}}"
+
+       if json_get_type __tmp route && [ "$__tmp" = array ]; then
+
+               json_select route
+
+               while json_get_type __tmp "$__idx" && [ "$__tmp" = object ]; do
+
+                       json_select "$((__idx++))"
+                       json_get_var __tmp target
+                       json_get_var __enabled enabled
+
+                       case "${__enabled}/${__family}/${__tmp}" in
+                               1/4/0.0.0.0|1/6/::)
+                                       json_get_var "$__var" nexthop
+                                       return $?
+                               ;;
+                       esac
+
+                       json_select ".."
+
+               done
+       fi
+
+       return 1
+}
+
+network_get_gateway()  { __network_gateway "$1" "$2" 4; }
+network_get_gateway6() { __network_gateway "$1" "$2" 6; }
+
+
+__network_dns() {
+       local __var="$1"
+       local __iface="$2"
+       local __field="$3"
+
+       local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
+       local __dns=""
+       local __idx=1
+
+       json_load "${__tmp:-{}}"
+
+       if json_get_type __tmp "$__field" && [ "$__tmp" = array ]; then
+
+               json_select "$__field"
+
+               while json_get_type __tmp "$__idx" && [ "$__tmp" = string ]; do
+
+                       json_get_var __tmp "$((__idx++))"
+                       __dns="${__dns:+$__dns }$__tmp"
+
+               done
+       fi
+
+       eval "export -- \"$__var=$__dns\""
+       [ -n "$__dns" ]
+}
+
+network_get_dnsserver() { __network_dns "$1" "$2" dns_server; }
+network_get_dnssearch() { __network_dns "$1" "$2" dns_search; }
+
+
+__network_wan() {
+       local __var="$1"
+       local __family="$2"
+       local __iface
+
+       for __iface in $(ubus list | sed -ne 's/^network\.interface\.//p'); do
+               if __network_gateway "$__var" "$__iface" "$__family"; then
+                       eval "export -- \"$__var=$__iface\""
+                       return 0
+               fi
+       done
+
+       eval "export -- \"$__var=\""
+       return 1
+}
+
+network_find_wan()  { __network_wan "$1" 4; }
+network_find_wan6() { __network_wan "$1" 6; }
+
+
 __network_device()
 {
        local __var="$1"
@@ -54,5 +146,27 @@ __network_device()
        json_get_var "$__var" "$__field"
 }
 
+network_is_up()
+{
+       local __up
+       __network_device __up "$1" up && [ $__up -eq 1 ]
+}
+
 network_get_device()  { __network_device "$1" "$2" l3_device; }
 network_get_physdev() { __network_device "$1" "$2" device;    }
+
+
+__network_defer()
+{
+       local __device="$1"
+       local __defer="$2"
+
+       json_init
+       json_add_string name "$__device"
+       json_add_boolean defer "$__defer"
+
+       ubus call network.device set_state "$(json_dump)" 2>/dev/null
+}
+
+network_defer_device() { __network_defer "$1" 1; }
+network_ready_device() { __network_defer "$1" 0; }