lucaspalomodevelop/core
1
0
Fork 0
mirror of https://github.com/lucaspalomodevelop/core.git synced 2026-03-13 08:09:41 +00:00
Code Issues Packages Projects Releases Wiki Activity

interfaces.inc: Improve guess_interface_from_ip() (#4523)

Browse Source
This commit is contained in:
vnxme 2021-01-21 17:00:24 +03:00 committed by GitHub
parent 8ded045899
commit 703faa82ff
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
src/etc/inc/interfaces.inc
View File

@ -3757,34 +3757,25 @@ function get_real_interface($interface = 'wan', $family = 'all')
function guess_interface_from_ip($ipaddress)
{
if (!is_ipaddr($ipaddress)) {
if (is_ipaddrv4($ipaddress)) {
$family = "inet";
} elseif (is_ipaddrv6($ipaddress)) {
$family = "inet6";
} else {
return false;
}
if (is_ipaddrv4($ipaddress)) {
/* create a route table we can search */
exec("/usr/bin/netstat -rnWf inet", $output, $ret);
foreach ($output as $line) {
if (preg_match("/^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+\/[0-9]+[ ]+link[#]/", $line)) {
$fields = preg_split("/[ ]+/", $line);
if (ip_in_subnet($ipaddress, $fields[0])) {
return $fields[5];
}
}
}
}
/* FIXME: This works from cursory testing, regexp might need fine tuning */
if (is_ipaddrv6($ipaddress)) {
/* create a route table we can search */
exec("/usr/bin/netstat -rnWf inet6", $output, $ret);
foreach ($output as $line) {
if (preg_match("/[0-9a-f]+[:]+[0-9a-f]+[:]+[\/][0-9]+/", $line)) {
$fields = preg_split("/[ ]+/", $line);
if (ip_in_subnet($ipaddress, $fields[0])) {
return $fields[5];
}
/* create a route table we can search */
exec("/usr/bin/netstat -rnWf ".$family, $output, $ret);
foreach ($output as $line) {
$fields = preg_split("/\s+/", $line);
if (is_subnet($fields[0])) {
if (ip_in_subnet($ipaddress, $fields[0])) {
return $fields[5];
}
}
}
$ret = exec_command("/sbin/route -n get {$ipaddress} | /usr/bin/awk '/interface/ { print \$2; };'");
if (empty($ret)) {
return false;