| 260 |
iface_for_remote_addr() |
iface_for_remote_addr() |
| 261 |
{ |
{ |
| 262 |
set -- $(ip -o route get to $1) |
set -- $(ip -o route get to $1) |
| 263 |
echo $5 |
# honor routes with and without a gateway |
| 264 |
|
case $@ in |
| 265 |
|
*via*) echo $5 ;; |
| 266 |
|
*) echo $3 ;; |
| 267 |
|
esac |
| 268 |
|
} |
| 269 |
|
|
| 270 |
|
validate_ip_addr() |
| 271 |
|
{ |
| 272 |
|
local ip="$1" |
| 273 |
|
local retval=1 |
| 274 |
|
local _ifs |
| 275 |
|
|
| 276 |
|
if [[ ${ip} =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]] |
| 277 |
|
then |
| 278 |
|
_ifs=$IFS |
| 279 |
|
IFS='.' |
| 280 |
|
# convert to an array |
| 281 |
|
ip=($ip) |
| 282 |
|
IFS=$_ifs |
| 283 |
|
|
| 284 |
|
if [[ ${ip[0]} -le 255 ]] && |
| 285 |
|
[[ ${ip[1]} -le 255 ]] && |
| 286 |
|
[[ ${ip[2]} -le 255 ]] && |
| 287 |
|
[[ ${ip[3]} -le 255 ]] |
| 288 |
|
then |
| 289 |
|
retval=$? |
| 290 |
|
fi |
| 291 |
|
fi |
| 292 |
|
|
| 293 |
|
return ${retval} |
| 294 |
} |
} |
| 295 |
|
|
| 296 |
# get ip from dns name |
# get ip from dns name |
| 297 |
dns_to_ip() |
dns_to_ip() |
| 298 |
{ |
{ |
| 299 |
set -- $(getent hosts $1) |
if ! validate_ip_addr $1 |
| 300 |
|
then |
| 301 |
|
set -- $(getent hosts $1) |
| 302 |
|
fi |
| 303 |
echo $1 |
echo $1 |
| 304 |
} |
} |
| 305 |
|
|
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