| 1 | . /usr/share/libubox/jshn.sh |
| 2 | |
| 3 | __network_set_cache() |
| 4 | { |
| 5 | if [ -n "$3" ]; then |
| 6 | eval "export -- __NETWORK_CV_$1='$3'" |
| 7 | __NETWORK_CACHE="${__NETWORK_CACHE:+$__NETWORK_CACHE }__NETWORK_CV_$1" |
| 8 | elif json_get_var "__NETWORK_CV_$1" "$2"; then |
| 9 | __NETWORK_CACHE="${__NETWORK_CACHE:+$__NETWORK_CACHE }__NETWORK_CV_$1" |
| 10 | fi |
| 11 | } |
| 12 | |
| 13 | __network_export() |
| 14 | { |
| 15 | local __v="__NETWORK_CV_$2" |
| 16 | eval "export -- \"$1=\${$__v:+\$$__v$3}\"; [ -n \"\${$__v+x}\" ]" |
| 17 | } |
| 18 | |
| 19 | __network_parse_ifstatus() |
| 20 | { |
| 21 | local __iface="$1" |
| 22 | local __key="${__iface}" |
| 23 | local __tmp |
| 24 | local __old_ns |
| 25 | |
| 26 | __network_export __tmp "${__key}__parsed" && return 0 |
| 27 | __tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)" |
| 28 | [ -n "$__tmp" ] || return 1 |
| 29 | |
| 30 | json_set_namespace "network" __old_ns |
| 31 | json_load "$__tmp" |
| 32 | |
| 33 | __network_set_cache "${__key}__parsed" "" "1" |
| 34 | |
| 35 | for __tmp in "" "_inactive"; do |
| 36 | |
| 37 | __key="${__key}${__tmp}" |
| 38 | |
| 39 | # parse addresses |
| 40 | local __family |
| 41 | for __family in 4 6; do |
| 42 | if json_is_a "ipv${__family}_address" array; then |
| 43 | |
| 44 | json_select "ipv${__family}_address" |
| 45 | |
| 46 | if json_is_a 1 object; then |
| 47 | |
| 48 | json_select 1 |
| 49 | __network_set_cache "${__key}_address${__family}" address |
| 50 | __network_set_cache "${__key}_mask${__family}" mask |
| 51 | json_select ".." |
| 52 | |
| 53 | fi |
| 54 | |
| 55 | json_select ".." |
| 56 | |
| 57 | fi |
| 58 | done |
| 59 | |
| 60 | # parse routes |
| 61 | if json_is_a route array; then |
| 62 | |
| 63 | json_select "route" |
| 64 | |
| 65 | local __idx=1 |
| 66 | while json_is_a "$__idx" object; do |
| 67 | |
| 68 | json_select "$((__idx++))" |
| 69 | json_get_var __tmp target |
| 70 | |
| 71 | case "${__tmp}" in |
| 72 | 0.0.0.0) |
| 73 | __network_set_cache "${__key}_gateway4" nexthop |
| 74 | ;; |
| 75 | ::) |
| 76 | __network_set_cache "${__key}_gateway6" nexthop |
| 77 | ;; |
| 78 | esac |
| 79 | |
| 80 | json_select ".." |
| 81 | |
| 82 | done |
| 83 | |
| 84 | json_select ".." |
| 85 | |
| 86 | fi |
| 87 | |
| 88 | # parse dns info |
| 89 | local __field |
| 90 | for __field in "dns_server" "dns_search"; do |
| 91 | if json_is_a "$__field" array; then |
| 92 | |
| 93 | json_select "$__field" |
| 94 | |
| 95 | local __idx=1 |
| 96 | local __dns="" |
| 97 | |
| 98 | while json_is_a "$__idx" string; do |
| 99 | |
| 100 | json_get_var __tmp "$((__idx++))" |
| 101 | __dns="${__dns:+$__dns }$__tmp" |
| 102 | |
| 103 | done |
| 104 | |
| 105 | json_select ".." |
| 106 | |
| 107 | if [ -n "$__dns" ]; then |
| 108 | __network_set_cache "${__key}_${__field}" "" "$__dns" |
| 109 | fi |
| 110 | fi |
| 111 | done |
| 112 | |
| 113 | # parse up state, device and physdev |
| 114 | for __field in "up" "l3_device" "device"; do |
| 115 | if json_get_type __tmp "$__field"; then |
| 116 | __network_set_cache "${__key}_${__field}" "$__field" |
| 117 | fi |
| 118 | done |
| 119 | |
| 120 | # descend into inactive table |
| 121 | json_is_a "inactive" object && json_select "inactive" |
| 122 | |
| 123 | done |
| 124 | |
| 125 | json_cleanup |
| 126 | json_set_namespace "$__old_ns" |
| 127 | |
| 128 | return 0 |
| 129 | } |
| 130 | |
| 131 | |
| 132 | __network_ipaddr() |
| 133 | { |
| 134 | local __var="$1" |
| 135 | local __iface="$2" |
| 136 | local __family="$3" |
| 137 | local __prefix="$4" |
| 138 | local __tmp |
| 139 | |
| 140 | __network_parse_ifstatus "$__iface" || return 1 |
| 141 | |
| 142 | if [ $__prefix -eq 1 ]; then |
| 143 | __network_export __tmp "${__iface}_mask${__family}" && \ |
| 144 | __network_export "$__var" "${__iface}_address${__family}" "/$__tmp" |
| 145 | return $? |
| 146 | fi |
| 147 | |
| 148 | __network_export "$__var" "${__iface}_address${__family}" |
| 149 | return $? |
| 150 | |
| 151 | } |
| 152 | |
| 153 | # determine IPv4 address of given logical interface |
| 154 | # 1: destination variable |
| 155 | # 2: interface |
| 156 | network_get_ipaddr() { __network_ipaddr "$1" "$2" 4 0; } |
| 157 | |
| 158 | # determine IPv6 address of given logical interface |
| 159 | # 1: destination variable |
| 160 | # 2: interface |
| 161 | network_get_ipaddr6() { __network_ipaddr "$1" "$2" 6 0; } |
| 162 | |
| 163 | # determine IPv4 subnet of given logical interface |
| 164 | # 1: destination variable |
| 165 | # 2: interface |
| 166 | network_get_subnet() { __network_ipaddr "$1" "$2" 4 1; } |
| 167 | |
| 168 | # determine IPv6 subnet of given logical interface |
| 169 | # 1: destination variable |
| 170 | # 2: interface |
| 171 | network_get_subnet6() { __network_ipaddr "$1" "$2" 6 1; } |
| 172 | |
| 173 | |
| 174 | __network_gateway() |
| 175 | { |
| 176 | local __var="$1" |
| 177 | local __iface="$2" |
| 178 | local __family="$3" |
| 179 | local __inactive="$4" |
| 180 | |
| 181 | __network_parse_ifstatus "$__iface" || return 1 |
| 182 | |
| 183 | if [ "$__inactive" = 1 -o "$__inactive" = "true" ]; then |
| 184 | __network_export "$__var" "${__iface}_inactive_gateway${__family}" && \ |
| 185 | return 0 |
| 186 | fi |
| 187 | |
| 188 | __network_export "$__var" "${__iface}_gateway${__family}" |
| 189 | return $? |
| 190 | } |
| 191 | |
| 192 | # determine IPv4 gateway of given logical interface |
| 193 | # 1: destination variable |
| 194 | # 2: interface |
| 195 | # 3: consider inactive gateway if "true" (optional) |
| 196 | network_get_gateway() { __network_gateway "$1" "$2" 4 "${3:-0}"; } |
| 197 | |
| 198 | # determine IPv6 gateway of given logical interface |
| 199 | # 1: destination variable |
| 200 | # 2: interface |
| 201 | # 3: consider inactive gateway if "true" (optional) |
| 202 | network_get_gateway6() { __network_gateway "$1" "$2" 6 "${3:-0}"; } |
| 203 | |
| 204 | |
| 205 | __network_dns() { |
| 206 | local __var="$1" |
| 207 | local __iface="$2" |
| 208 | local __field="$3" |
| 209 | local __inactive="$4" |
| 210 | |
| 211 | __network_parse_ifstatus "$__iface" || return 1 |
| 212 | |
| 213 | if [ "$__inactive" = 1 -o "$__inactive" = "true" ]; then |
| 214 | __network_export "$__var" "${__iface}_inactive_${__field}" && \ |
| 215 | return 0 |
| 216 | fi |
| 217 | |
| 218 | __network_export "$__var" "${__iface}_${__field}" |
| 219 | return $? |
| 220 | } |
| 221 | |
| 222 | # determine the DNS servers of the given logical interface |
| 223 | # 1: destination variable |
| 224 | # 2: interface |
| 225 | # 3: consider inactive servers if "true" (optional) |
| 226 | network_get_dnsserver() { __network_dns "$1" "$2" dns_server "${3:-0}"; } |
| 227 | |
| 228 | # determine the domains of the given logical interface |
| 229 | # 1: destination variable |
| 230 | # 2: interface |
| 231 | # 3: consider inactive domains if "true" (optional) |
| 232 | network_get_dnssearch() { __network_dns "$1" "$2" dns_search "${3:-0}"; } |
| 233 | |
| 234 | |
| 235 | __network_wan() |
| 236 | { |
| 237 | local __var="$1" |
| 238 | local __family="$2" |
| 239 | local __inactive="$3" |
| 240 | local __iface |
| 241 | |
| 242 | for __iface in $(ubus list | sed -ne 's/^network\.interface\.//p'); do |
| 243 | if [ "$__iface" != loopback ]; then |
| 244 | if __network_gateway "$__var" "$__iface" "$__family" "$__inactive"; then |
| 245 | eval "export -- \"$__var=$__iface\"" |
| 246 | return 0 |
| 247 | fi |
| 248 | fi |
| 249 | done |
| 250 | |
| 251 | eval "export -- \"$__var=\"" |
| 252 | return 1 |
| 253 | } |
| 254 | |
| 255 | # find the logical interface which holds the current IPv4 default route |
| 256 | # 1: destination variable |
| 257 | # 2: consider inactive default routes if "true" (optional) |
| 258 | network_find_wan() { __network_wan "$1" 4 "${2:-0}"; } |
| 259 | |
| 260 | # find the logical interface which holds the current IPv6 default route |
| 261 | # 1: destination variable |
| 262 | # 2: consider inactive dafault routes if "true" (optional) |
| 263 | network_find_wan6() { __network_wan "$1" 6 "${2:-0}"; } |
| 264 | |
| 265 | |
| 266 | __network_device() |
| 267 | { |
| 268 | local __var="$1" |
| 269 | local __iface="$2" |
| 270 | local __field="$3" |
| 271 | |
| 272 | __network_parse_ifstatus "$__iface" || return 1 |
| 273 | __network_export "$__var" "${__iface}_${__field}" |
| 274 | return $? |
| 275 | } |
| 276 | |
| 277 | # test whether the given logical interface is running |
| 278 | # 1: interface |
| 279 | network_is_up() |
| 280 | { |
| 281 | local __up |
| 282 | __network_device __up "$1" up && [ $__up -eq 1 ] |
| 283 | } |
| 284 | |
| 285 | # determine the layer 3 linux network device of the given logical interface |
| 286 | # 1: destination variable |
| 287 | # 2: interface |
| 288 | network_get_device() { __network_device "$1" "$2" l3_device; } |
| 289 | |
| 290 | # determine the layer 2 linux network device of the given logical interface |
| 291 | # 1: destination variable |
| 292 | # 2: interface |
| 293 | network_get_physdev() { __network_device "$1" "$2" device; } |
| 294 | |
| 295 | |
| 296 | __network_defer() |
| 297 | { |
| 298 | local __device="$1" |
| 299 | local __defer="$2" |
| 300 | |
| 301 | json_init |
| 302 | json_add_string name "$__device" |
| 303 | json_add_boolean defer "$__defer" |
| 304 | |
| 305 | ubus call network.device set_state "$(json_dump)" 2>/dev/null |
| 306 | } |
| 307 | |
| 308 | # defer netifd actions on the given linux network device |
| 309 | # 1: device name |
| 310 | network_defer_device() { __network_defer "$1" 1; } |
| 311 | |
| 312 | # continue netifd actions on the given linux network device |
| 313 | # 1: device name |
| 314 | network_ready_device() { __network_defer "$1" 0; } |
| 315 | |
| 316 | # flush the internal value cache to force re-reading values from ubus |
| 317 | network_flush_cache() |
| 318 | { |
| 319 | local __tmp |
| 320 | for __tmp in $__NETWORK_CACHE __NETWORK_CACHE; do |
| 321 | unset "$__tmp" |
| 322 | done |
| 323 | } |
| 324 | |
