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snmpv3 support. for hipsters.

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git-svn-id: http://www.observium.org/svn/observer/trunk@3156 61d68cd4-352d-0410-923a-c4978735b2b8
This commit is contained in:
Adam Amstrong
2012-05-09 16:18:23 +00:00
parent 547a1f0fc0
commit 790480769b
9 changed files with 536 additions and 95 deletions
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109
includes/functions.php
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@ -191,7 +191,7 @@ function delete_device($id)
return $ret;
}
function addHost($host, $snmpver = 'v2c', $port = '161', $transport = 'udp')
function addHost($host, $snmpver, $port = '161', $transport = 'udp')
{
global $config;
@ -206,25 +206,76 @@ function addHost($host, $snmpver = 'v2c', $port = '161', $transport = 'udp')
if (isPingable($host))
{
$added = 0;
/// try each community from config
foreach ($config['snmp']['community'] as $community)
if (empty($snmpver))
{
$device = deviceArray($host, $community, $snmpver, $port, $transport);
if (isSNMPable($device))
// Try SNMPv2c
$snmpver = 'v2c';
if (!addHost($host, $snmpver))
{
print_message("Trying community $community");
$snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
if ($snmphost == "" || ($snmphost && ($snmphost == $host || $hostshort = $host)))
//Try SNMPv3
$snmpver = 'v3';
if (!addHost($host, $snmpver))
{
$device_id = createHost ($host, $community, $snmpver, $port, $transport);
return $device_id;
} else {
print_error("Given hostname does not match SNMP-read hostname ($snmphost)!");
// Try SNMPv1
$snmpver = 'v1';
if (!addHost($host, $snmpver))
{
return 0;
}
}
} else {
print_error("No reply on community $community using $snmpver");
}
}
if ($snmpver === "v3")
{
// Try each set of parameters from config
foreach ($config['snmp']['v3'] as $v3)
{
$device = deviceArray($host, NULL, $snmpver, $port, $transport, $v3);
print_message("Trying v3 parameters " . $v3['authname'] . "/" . $v3['authlevel'] . " ... ");
if (isSNMPable($device))
{
$snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
if (empty($snmphost) or ($snmphost == $host || $hostshort = $host))
{
$device_id = createHost ($host, NULL, $snmpver, $port, $transport, $v3);
return $device_id;
} else {
print_error("Given hostname does not match SNMP-read hostname ($snmphost)!");
}
} else {
print_error("No reply on credentials " . $v3['authname'] . "/" . $v3['authlevel'] . " using $snmpver");
}
}
}
elseif ($snmpver === "v2c" or $snmpver === "v1")
{
/// try each community from config
foreach ($config['snmp']['community'] as $community)
{
$device = deviceArray($host, $community, $snmpver, $port, $transport, NULL);
print_message("Trying community $community ...");
if (isSNMPable($device))
{
$snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
if ($snmphost == "" || ($snmphost && ($snmphost == $host || $hostshort = $host)))
{
$device_id = createHost ($host, $community, $snmpver, $port, $transport);
return $device_id;
} else {
print_error("Given hostname does not match SNMP-read hostname ($snmphost)!");
}
} else {
print_error("No reply on community $community using $snmpver");
}
}
}
else
{
print_error("Unsupported SNMP Version \"$snmpver\".");
}
if (!$device_id)
{
/// Failed SNMP
@ -238,7 +289,9 @@ function addHost($host, $snmpver = 'v2c', $port = '161', $transport = 'udp')
print_error("Could not resolve $host"); }
} else {
/// found in database
print_error("Already got host $host"); }
print_error("Already got host $host");
}
return 0;
}
function scanUDP($host, $port, $timeout)
@ -257,15 +310,28 @@ function scanUDP($host, $port, $timeout)
} else { fclose($handle); return 0; }
}
function deviceArray($host, $community, $snmpver, $port = 161, $transport = 'udp')
function deviceArray($host, $community, $snmpver, $port = 161, $transport = 'udp', $v3)
{
$device = array();
$device['hostname'] = $host;
$device['port'] = $port;
$device['community'] = $community;
$device['snmpver'] = $snmpver;
$device['transport'] = $transport;
$device['snmpver'] = $snmpver;
if ($snmpver === "v2c" or $snmpver === "v1")
{
$device['community'] = $community;
}
elseif ($snmpver === "v3")
{
$device['authlevel'] = $v3['authlevel'];
$device['authname'] = $v3['authname'];
$device['authpass'] = $v3['authpass'];
$device['authalgo'] = $v3['authalgo'];
$device['cryptopass'] = $v3['cryptopass'];
$device['cryptoalgo'] = $v3['cryptoalgo'];
}
return $device;
}
@ -358,7 +424,7 @@ function utime()
return $sec + $usec;
}
function createHost($host, $community, $snmpver, $port = 161, $transport = 'udp')
function createHost($host, $community = NULL, $snmpver, $port = 161, $transport = 'udp', $v3 = array())
{
$host = trim(strtolower($host));
@ -368,7 +434,10 @@ function createHost($host, $community, $snmpver, $port = 161, $transport = 'udp'
'port' => $port,
'transport' => $transport,
'status' => '1',
'snmpver' => $snmpver);
'snmpver' => $snmpver
);
$device = array_merge($device, $v3);
$device['os'] = getHostOS($device);