summaryrefslogtreecommitdiff
path: root/package/base-files/files/lib/functions/network.sh
blob: d2d4aae0d977f3dd857c668afda4589f022673d7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
. /usr/share/libubox/jshn.sh

__network_ipaddr()
{
	local __var="$1"
	local __iface="$2"
	local __family="$3"
	local __prefix="${4:-0}"

	local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"

	json_load "${__tmp:-{}}"
	json_get_type __tmp "ipv${__family}_address"

	if [ "$__tmp" = array ]; then

		json_select "ipv${__family}_address"
		json_get_type __tmp 1

		if [ "$__tmp" = object ]; then

			json_select 1
			json_get_var $__var address

			[ $__prefix -gt 0 ] && {
				json_get_var __tmp mask
				eval "export -- \"$__var=\${$__var}/$__tmp\""
			}

			return 0
		fi
	fi

	return 1
}

network_get_ipaddr()  { __network_ipaddr "$1" "$2" 4 0; }
network_get_ipaddr6() { __network_ipaddr "$1" "$2" 6 0; }

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"
	local __iface="$2"
	local __field="$3"

	local __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
	[ -n "$__tmp" ] || return 1

	json_load "$__tmp"
	json_get_var "$__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; }