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legacy_interfaces_details() switch to exec()

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This commit is contained in:
Ad Schellevis 2016-12-02 12:08:36 +01:00
parent d3a696048c
commit 8067e9bdd1
1 changed files with 61 additions and 59 deletions
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120
src/etc/inc/interfaces.lib.inc
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@ -207,66 +207,68 @@ function legacy_interfaces_details($intf=null)
} else {
$tmp_intf = "";
}
$process = proc_open('/sbin/ifconfig -m ' . $tmp_intf , array(array("pipe", "r"), array("pipe", "w")), $pipes);
if (is_resource($process)) {
$current_interface = null;
$ifconfig_data = stream_get_contents($pipes[1]);
foreach (explode("\n", $ifconfig_data) as $line) {
$line_parts = explode(' ', $line);
if (strpos(trim($line), 'flags=') !== false) {
$current_interface = explode(':', $line)[0];
$result[$current_interface] = array();
$result[$current_interface]["capabilities"] = array();
$result[$current_interface]["options"] = array();
$result[$current_interface]["macaddr"] = "00:00:00:00:00:00";
$result[$current_interface]["ipv4"] = array();
$result[$current_interface]["ipv6"] = array();
} elseif (empty($current_interface)) {
// skip parsing, no interface found (yet)
continue;
} elseif (strpos(trim($line), 'capabilities=') !== false) {
// parse capabilities
$capabilities = substr($line, strpos($line, '<') + 1, -1);
foreach (explode(',', $capabilities) as $capability) {
$result[$current_interface]["capabilities"][] = strtolower(trim($capability));
}
} elseif (strpos(trim($line), 'options=') !== false) {
// parse options
$capabilities = substr($line, strpos($line, '<') + 1, -1);
foreach (explode(',', $capabilities) as $capability) {
$result[$current_interface]["options"][] = strtolower(trim($capability));
}
} elseif (strpos($line, "\tether ") !== false) {
// mac address
$result[$current_interface]["macaddr"] = $line_parts[1];
} elseif (strpos($line, "\tinet ") !== false) {
// IPv4 information
$mask = substr_count(base_convert(hexdec($line_parts[3]), 10, 2), '1');
$result[$current_interface]["ipv4"][] = array("ipaddr" => $line_parts[1], "subnetbits" => $mask);
} elseif (strpos($line, "\tinet6 ") !== false) {
// IPv6 information
$addr = strtok($line_parts[1], '%');
unset($mask);
for ($i = 0; $i < count($line_parts) - 1; ++$i) {
if ($line_parts[$i] == 'prefixlen') {
$mask = intval($line_parts[$i + 1]);
}
}
if (isset($mask)) {
$is_link_local = strpos($addr, 'fe80:') === 0;
$result[$current_interface]["ipv6"][] = array('ipaddr' => $addr, 'subnetbits' => $mask,
'link-local' => $is_link_local);
// sort link local to bottom, leave rest of sorting as-is (primary address on top)
usort($result[$current_interface]["ipv6"], function($a, $b) {
return $a['link-local'] - $b['link-local'];
});
}
}
}
fclose($pipes[1]);
proc_close($process);
$cmd = '/sbin/ifconfig -m ' . $tmp_intf;
exec($cmd . ' 2>&1', $ifconfig_data, $ret);
if ($ret) {
log_error('The command `' . $cmd . '\' failed to execute ' . implode(' ', $ifconfig_data) );
return array();
}
$current_interface = null;
foreach ($ifconfig_data as $line) {
$line_parts = explode(' ', $line);
if (strpos(trim($line), 'flags=') !== false) {
$current_interface = explode(':', $line)[0];
$result[$current_interface] = array();
$result[$current_interface]["capabilities"] = array();
$result[$current_interface]["options"] = array();
$result[$current_interface]["macaddr"] = "00:00:00:00:00:00";
$result[$current_interface]["ipv4"] = array();
$result[$current_interface]["ipv6"] = array();
} elseif (empty($current_interface)) {
// skip parsing, no interface found (yet)
continue;
} elseif (strpos(trim($line), 'capabilities=') !== false) {
// parse capabilities
$capabilities = substr($line, strpos($line, '<') + 1, -1);
foreach (explode(',', $capabilities) as $capability) {
$result[$current_interface]["capabilities"][] = strtolower(trim($capability));
}
} elseif (strpos(trim($line), 'options=') !== false) {
// parse options
$capabilities = substr($line, strpos($line, '<') + 1, -1);
foreach (explode(',', $capabilities) as $capability) {
$result[$current_interface]["options"][] = strtolower(trim($capability));
}
} elseif (strpos($line, "\tether ") !== false) {
// mac address
$result[$current_interface]["macaddr"] = $line_parts[1];
} elseif (strpos($line, "\tinet ") !== false) {
// IPv4 information
$mask = substr_count(base_convert(hexdec($line_parts[3]), 10, 2), '1');
$result[$current_interface]["ipv4"][] = array("ipaddr" => $line_parts[1], "subnetbits" => $mask);
} elseif (strpos($line, "\tinet6 ") !== false) {
// IPv6 information
$addr = strtok($line_parts[1], '%');
unset($mask);
for ($i = 0; $i < count($line_parts) - 1; ++$i) {
if ($line_parts[$i] == 'prefixlen') {
$mask = intval($line_parts[$i + 1]);
}
}
if (isset($mask)) {
$is_link_local = strpos($addr, 'fe80:') === 0;
$result[$current_interface]["ipv6"][] = array('ipaddr' => $addr, 'subnetbits' => $mask,
'link-local' => $is_link_local);
// sort link local to bottom, leave rest of sorting as-is (primary address on top)
usort($result[$current_interface]["ipv6"], function($a, $b) {
return $a['link-local'] - $b['link-local'];
});
}
}
}
return $result;
}