bsnmpd: check in actual plugin file

src/etc/inc/plugins.inc.d/bsnmpd.inc

+<?php
+
+/*
+    Copyright (C) 2014-2016 Franco Fichtner <franco@opnsense.org>
+    Copyright (C) 2010 Ermal Luci
+    Copyright (C) 2005-2006 Colin Smith <ethethlay@gmail.com>
+    Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+
+    THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+    AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+    AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+    POSSIBILITY OF SUCH DAMAGE.
+*/
+
+function bsnmpd_enabled()
+{
+    global $config;
+
+    return isset($config['snmpd']['enable']);
+}
+
+function bsnmpd_services()
+{
+    $services = array();
+
+    if (!bsnmpd_enabled()) {
+        return $services;
+    }
+
+    $pconfig = array();
+    $pconfig['name'] = 'bsnmpd';
+    $pconfig['description'] = gettext('SNMP Service');
+    $pconfig['php']['restart'] = array('bsnmpd_configure_do');
+    $pconfig['php']['start'] = array('bsnmpd_configure_do');
+    $pconfig['pidfile'] = '/var/run/snmpd.pid';
+    $services[] = $pconfig;
+
+    return $services;
+}
+
+function bsnmpd_configure()
+{
+    return array('bsnmpd_configure_do');
+}
+
+function bsnmpd_configure_do($verbose = false)
+{
+    global $config, $g;
+
+    killbypid('/var/run/snmpd.pid', 'TERM', true);
+
+    if (!bsnmpd_enabled()) {
+        return;
+    }
+
+    if ($verbose) {
+        echo 'Starting SNMP daemon...';
+        flush();
+    }
+
+    /* generate snmpd.conf */
+    $fd = fopen("/var/etc/snmpd.conf", "w");
+    if (!$fd) {
+        log_error('Cannot open snmpd.conf in bsnmpd_configure_do()');
+        return;
+    }
+
+    $snmpdconf = <<<EOD
+location := "{$config['snmpd']['syslocation']}"
+contact := "{$config['snmpd']['syscontact']}"
+read := "{$config['snmpd']['rocommunity']}"
+
+EOD;
+
+    if (isset($config['snmpd']['trapenable']) && preg_match('/^\S+$/', $config['snmpd']['trapserver'])){
+        $snmpdconf .= <<<EOD
+# SNMP Trap support.
+traphost := {$config['snmpd']['trapserver']}
+trapport := {$config['snmpd']['trapserverport']}
+trap := "{$config['snmpd']['trapstring']}"
+
+
+EOD;
+    }
+
+    $version = trim(file_get_contents('/usr/local/opnsense/version/opnsense'));
+    $platform = $g['product_name'];
+    $sysDescr = "{$g['product_name']} " . php_uname("n") .
+                " {$version} {$platform} " . php_uname("s") .
+                " " . php_uname("r") . " " . trim(shell_exec('uname -p'));
+
+    $snmpdconf .= <<<EOD
+system := 1
+%snmpd
+sysDescr      = "{$sysDescr}"
+begemotSnmpdDebugDumpPdus       = 2
+begemotSnmpdDebugSyslogPri      = 7
+begemotSnmpdCommunityString.0.1 = $(read)
+
+EOD;
+
+    if (isset($config['snmpd']['trapenable']) && preg_match('/^\S+$/', $config['snmpd']['trapserver'])){
+        $snmpdconf .= <<<EOD
+begemotTrapSinkStatus.[$(traphost)].$(trapport) = 4
+begemotTrapSinkVersion.[$(traphost)].$(trapport) = 2
+begemotTrapSinkComm.[$(traphost)].$(trapport) = $(trap)
+
+EOD;
+    }
+
+    $snmpdconf .= <<<EOD
+begemotSnmpdCommunityDisable    = 1
+
+EOD;
+
+    $bind_to_ip = "0.0.0.0";
+    if (isset($config['snmpd']['bindip'])) {
+        if (is_ipaddr($config['snmpd']['bindip'])) {
+            $bind_to_ip = $config['snmpd']['bindip'];
+        } else {
+            $if = get_real_interface($config['snmpd']['bindip']);
+            if (does_interface_exist($if)) {
+                $bind_to_ip = find_interface_ip($if);
+            }
+        }
+    }
+
+    if (is_port( $config['snmpd']['pollport'] )) {
+        $snmpdconf .= <<<EOD
+begemotSnmpdPortStatus.{$bind_to_ip}.{$config['snmpd']['pollport']} = 1
+
+EOD;
+
+    }
+
+    $snmpdconf .= <<<EOD
+begemotSnmpdLocalPortStatus."/var/run/snmpd.sock" = 1
+begemotSnmpdLocalPortType."/var/run/snmpd.sock" = 4
+
+# These are bsnmp macros not php vars.
+sysContact      = $(contact)
+sysLocation     = $(location)
+sysObjectId     = 1.3.6.1.4.1.12325.1.1.2.1.$(system)
+
+snmpEnableAuthenTraps = 2
+
+EOD;
+
+    if (is_array( $config['snmpd']['modules'] )) {
+        if (isset($config['snmpd']['modules']['mibii'])) {
+            $snmpdconf .= <<<EOD
+begemotSnmpdModulePath."mibII"  = "/usr/lib/snmp_mibII.so"
+
+EOD;
+        }
+
+        if (isset($config['snmpd']['modules']['netgraph'])) {
+            $snmpdconf .= <<<EOD
+begemotSnmpdModulePath."netgraph" = "/usr/lib/snmp_netgraph.so"
+%netgraph
+begemotNgControlNodeName = "snmpd"
+
+EOD;
+        }
+
+        if (isset($config['snmpd']['modules']['pf'])) {
+            $snmpdconf .= <<<EOD
+begemotSnmpdModulePath."pf"     = "/usr/lib/snmp_pf.so"
+
+EOD;
+        }
+
+        if (isset($config['snmpd']['modules']['hostres'])) {
+            $snmpdconf .= <<<EOD
+begemotSnmpdModulePath."hostres"     = "/usr/lib/snmp_hostres.so"
+
+EOD;
+        }
+        if (isset($config['snmpd']['modules']['bridge'])) {
+            $snmpdconf .= <<<EOD
+begemotSnmpdModulePath."bridge"     = "/usr/lib/snmp_bridge.so"
+# config must end with blank line
+
+EOD;
+        }
+        if (isset($config['snmpd']['modules']['ucd'])) {
+            $snmpdconf .= <<<EOD
+begemotSnmpdModulePath."ucd"     = "/usr/local/lib/snmp_ucd.so"
+
+EOD;
+        }
+        if (isset($config['snmpd']['modules']['regex'])) {
+            $snmpdconf .= <<<EOD
+begemotSnmpdModulePath."regex"     = "/usr/local/lib/snmp_regex.so"
+
+EOD;
+        }
+    }
+
+    fwrite($fd, $snmpdconf);
+    fclose($fd);
+    unset($snmpdconf);
+
+    mwexec("/usr/sbin/bsnmpd -c /var/etc/snmpd.conf -p /var/run/snmpd.pid");
+
+    if ($verbose) {
+        echo "done.\n";
+    }
+}