. 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. */ /* include all configuration functions */ require_once("functions.inc"); function services_dhcpd_configure() { global $config, $g; if(isset($config['system']['developerspew'])) { $mt = microtime(); echo "services_dhcpd_configure($if) being called $mt\n"; } /* kill any running dhcpd */ killbypid("{$g['varrun_path']}/dhcpd.pid"); $syscfg = $config['system']; $dhcpdcfg = $config['dhcpd']; /* DHCP enabled on any interfaces? */ $dhcpdenable = false; foreach ($dhcpdcfg as $dhcpif => $dhcpifconf) { if (isset($dhcpifconf['enable']) && (($dhcpif == "lan") || (isset($config['interfaces'][$dhcpif]['enable']) && $config['interfaces'][$dhcpif]['if'] && (!$config['interfaces'][$dhcpif]['bridge'])))) $dhcpdenable = true; } if (!$dhcpdenable) return 0; if ($g['booting']) echo "Starting DHCP service... "; else sleep(1); /* write dhcpd.conf */ $fd = fopen("{$g['varetc_path']}/dhcpd.conf", "w"); if (!$fd) { printf("Error: cannot open dhcpd.conf in services_dhcpd_configure().\n"); return 1; } $dhcpdconf = << $dhcpifconf) { if($dhcpifconf['failover_peerip'] <> "") { /* * yep, failover peer is defined. * does it match up to a defined vip? */ $skew = 1; $a_vip = &$config['virtualip']['vip']; if(is_array($a_vip)) { foreach ($a_vip as $vipent) { $int = guess_interface_from_ip($dhcpifconf['failover_peerip']); $intip = find_interface_ip($int); $real_dhcpif = convert_friendly_interface_to_real_interface_name($dhcpif); if($int == $real_dhcpif) { /* this is the interface! */ if($vipent['advskew'] == "0") $skew = 0; } } } else { log_error("Warning! DHCP Failover setup and no CARP virtual IP's defined!"); } if($skew > 0) { $type = "secondary"; $dhcpdconf_pri = "mclt 600;\n"; $my_port = "520"; $peer_port = "519"; } else { $my_port = "519"; $peer_port = "520"; $type = "primary"; $dhcpdconf_pri = "split 128;\n"; $dhcpdconf_pri .= " mclt 600;\n"; } $dhcpdconf .= << $dhcpifconf) { $ifcfg = $config['interfaces'][$dhcpif]; if (!isset($dhcpifconf['enable']) || (($dhcpif != "lan") && (!isset($ifcfg['enable']) || !$ifcfg['if'] || $ifcfg['bridge']))) continue; $subnet = gen_subnet($ifcfg['ipaddr'], $ifcfg['subnet']); $subnetmask = gen_subnet_mask($ifcfg['subnet']); $dnscfg = ""; if ($dhcpifconf['domain']) { $dnscfg .= " option domain-name \"{$dhcpifconf['domain']}\";\n"; } if (is_array($dhcpifconf['dnsserver']) && ($dhcpifconf['dnsserver'][0])) { $dnscfg .= " option domain-name-servers " . join(",", $dhcpifconf['dnsserver']) . ";"; } else if (isset($config['dnsmasq']['enable'])) { $dnscfg .= " option domain-name-servers " . $ifcfg['ipaddr'] . ";"; } else if (is_array($syscfg['dnsserver']) && ($syscfg['dnsserver'][0])) { $dnscfg .= " option domain-name-servers " . join(",", $syscfg['dnsserver']) . ";"; } $dhcpdconf .= "subnet $subnet netmask $subnetmask {\n"; $dhcpdconf .= " pool {\n"; /* is failover dns setup? */ if (is_array($dhcpifconf['dnsserver']) && $dhcpifconf['dnsserver'][0] <> "") { $dhcpdconf .= " option domain-name-servers {$dhcpifconf['dnsserver'][0]}"; if($dhcpifconf['dnsserver'][1] <> "") $dhcpdconf .= ",{$dhcpifconf['dnsserver'][1]}"; $dhcpdconf .= ";\n"; } if($dhcpifconf['failover_peerip'] <> "") $dhcpdconf .= " deny dynamic bootp clients;\n"; if (isset($dhcpifconf['denyunknown'])) $dhcpdconf .= " deny unknown clients;\n"; if ($dhcpifconf['gateway']) $routers = $dhcpifconf['gateway']; else $routers = $ifcfg['ipaddr']; if($dhcpifconf['failover_peerip'] <> "") { $dhcpdconf .= " failover peer \"dhcp{$dhcpnum}\";\n"; $dhcpnum++; } $dhcpdconf .= << /dev/null 2>&1 "); if (is_array($config['dhcpd'][$if]['staticmap'])) { foreach ($config['dhcpd'][$if]['staticmap'] as $arpent) { mwexec("/usr/sbin/arp -s " . escapeshellarg($arpent['ipaddr']) . " " . escapeshellarg($arpent['mac'])); } } } else { mwexec("/sbin/ifconfig " . escapeshellarg($ifcfg['if']) . " -staticarp " ); mwexec("/usr/sbin/arp -ad > /dev/null 2>&1 "); } return 0; } function services_dhcrelay_configure() { global $config, $g; if(isset($config['system']['developerspew'])) { $mt = microtime(); echo "services_dhcrelay_configure() being called $mt\n"; } /* kill any running dhcrelay */ killbypid("{$g['varrun_path']}/dhcrelay.pid"); $dhcrelaycfg = $config['dhcrelay']; /* DHCPRelay enabled on any interfaces? */ $dhcrelayenable = false; if(is_array($dhcrelaycfg)) { foreach ($dhcrelaycfg as $dhcrelayif => $dhcrelayifconf) { if (isset($dhcrelayifconf['enable']) && (($dhcrelayif == "lan") || (isset($config['interfaces'][$dhcrelayif]['enable']) && $config['interfaces'][$dhcrelayif]['if'] && (!$config['interfaces'][$dhcrelayif]['bridge'])))) $dhcrelayenable = true; } } if (!$dhcrelayenable) return 0; if ($g['booting']) echo "Starting DHCP relay service... "; else sleep(1); $dhcrelayifs = array(); foreach ($dhcrelaycfg as $dhcrelayif => $dhcrelayifconf) { $ifcfg = $config['interfaces'][$dhcrelayif]; if (!isset($dhcrelayifconf['enable']) || (($dhcrelayif != "lan") && (!isset($ifcfg['enable']) || !$ifcfg['if'] || $ifcfg['bridge']))) continue; $dhcrelayifs[] = $ifcfg['if']; } /* In order for the relay to work, it needs to be active on the interface in which the destination server sits */ foreach ($config['interfaces'] as $ifname) { $subnet = $ifname['ipaddr'] . "/" . $ifname['subnet']; if (ip_in_subnet($dhcrelaycfg['server'],$subnet)) $destif = $ifname['if']; } if (!isset($destif)) $destif = $config['interfaces']['wan']['if']; $dhcrelayifs[] = $destif; $dhcrelayifs = array_unique($dhcrelayifs); /* fire up dhcrelay */ $cmd = "/usr/local/sbin/dhcrelay -i " . join(" -i ", $dhcrelayifs); if (isset($dhcrelaycfg['agentoption'])) $cmd .= " -a -m replace"; $cmd .= " {$dhcrelaycfg['server']}"; mwexec($cmd); if (!$g['booting']) { /* set the reload filter dity flag */ touch("{$g['tmp_path']}/filter_dirty"); } return 0; } function services_dyndns_reset() { global $config, $g; if(isset($config['system']['developerspew'])) { $mt = microtime(); echo "services_dyndns_reset() being called $mt\n"; } if (file_exists("{$g['vardb_path']}/ez-ipupdate.cache")) { conf_mount_rw(); unlink("{$g['vardb_path']}/ez-ipupdate.cache"); conf_mount_ro(); } if (file_exists("{$g['conf_path']}/ez-ipupdate.cache")) { conf_mount_rw(); unlink("{$g['conf_path']}/ez-ipupdate.cache"); conf_mount_ro(); } return 0; } function services_dyndns_configure() { global $config, $g; if(isset($config['system']['developerspew'])) { $mt = microtime(); echo "services_dyndns_configure() being called $mt\n"; } $dyndnscfg = $config['dyndns']; $wancfg = $config['interfaces']['wan']; if (isset($dyndnscfg['enable'])) { if ($g['booting']) { echo "Starting DynDNS client... "; if(isset($config['system']['use_old_dyndns'])) { echo " [Using ez-ipupdate] "; services_dyndns_configure_old(); return; } } else { sleep(1); if(isset($config['system']['use_old_dyndns'])) { services_dyndns_configure_old(); return; } } /* load up the dyndns.class */ require_once("dyndns.class"); log_error("DynDns: Running updatedns()"); $dns = new updatedns($dnsService = $config['dyndns']['type'], $dnsHost = $config['dyndns']['host'], $dnsUser = $config['dyndns']['username'], $dnsPass = $config['dyndns']['password'], $dnsWilcard = $config['dyndns']['wildcard'], $dnsMX = $config['dyndns']['mx']); if ($g['booting']) echo "done.\n"; } return 0; } function services_dyndns_configure_old() { global $config, $g; if(isset($config['system']['developerspew'])) { $mt = microtime(); echo "services_dyndns_configure_old() being called $mt\n"; } /* kill any running ez-ipupdate */ /* ez-ipupdate needs SIGQUIT instead of SIGTERM */ sigkillbypid("{$g['varrun_path']}/ez-ipupdate.pid", "QUIT"); $dyndnscfg = $config['dyndns']; $wancfg = $config['interfaces']['wan']; if (isset($dyndnscfg['enable'])) { if ($g['booting']) echo "Starting DynDNS client... "; else sleep(1); /* determine WAN interface name */ $wanif = get_real_wan_interface(); /* write ez-ipupdate.conf */ $fd = fopen("{$g['varetc_path']}/ez-ipupdate.conf", "w"); if (!$fd) { printf("Error: cannot open ez-ipupdate.conf in services_dyndns_configure().\n"); return 1; } $ezipupdateconf = << $paents) { if ($paif == "wan" && !(is_ipaddr($config['interfaces']['wan']['ipaddr']) || ($config['interfaces']['wan']['ipaddr'] == "dhcp") || ($config['interfaces']['wan']['ipaddr'] == "bigpond"))) continue; $args = $config['interfaces'][$paif]['if'] . " auto"; foreach ($paents as $paent) { if (isset($paent['subnet'])) $args .= " " . escapeshellarg("{$paent['subnet']}/{$paent['subnet_bits']}"); else if (isset($paent['range'])) $args .= " " . escapeshellarg($paent['range']['from'] . "-" . $paent['range']['to']); } mwexec_bg("/usr/local/sbin/choparp " . $args); } } } function services_dnsupdate_process() { global $config, $g; if(isset($config['system']['developerspew'])) { $mt = microtime(); echo "services_dnsupdate_process() being called $mt\n"; } /* Dynamic DNS updating active? */ if (isset($config['dnsupdate']['enable'])) { $wanip = get_current_wan_address(); if ($wanip) { $keyname = $config['dnsupdate']['keyname']; /* trailing dot */ if (substr($keyname, -1) != ".") $keyname .= "."; $hostname = $config['dnsupdate']['host']; /* trailing dot */ if (substr($hostname, -1) != ".") $hostname .= "."; /* write private key file this is dumb - public and private keys are the same for HMAC-MD5, but nsupdate insists on having both */ $fd = fopen("{$g['varetc_path']}/K{$keyname}+157+00000.private", "w"); $privkey .= <<0 # # defaults to 1 MprCoverage 3 # Olsrd plugins to load # This must be the absolute path to the file # or the loader will use the following scheme: # - Try the paths in the LD_LIBRARY_PATH # environment variable. # - The list of libraries cached in /etc/ld.so.cache # - /lib, followed by /usr/lib # Example plugin entry with parameters: #LoadPlugin "olsrd_dyn_gw.so.0.3" #{ # Here parameters are set to be sent to the # plugin. Theese are on the form "key" "value". # Parameters ofcause, differs from plugin to plugin. # Consult the documentation of your plugin for details. # Example: dyn_gw params # how often to check for Internet connectivity # defaults to 5 secs # PlParam "Interval" "40" # if one or more IPv4 addresses are given, do a ping on these in # descending order to validate that there is not only an entry in # routing table, but also a real internet connection. If any of # these addresses could be pinged successfully, the test was # succesful, i.e. if the ping on the 1st address was successful,the # 2nd won't be pinged # PlParam "Ping" "141.1.1.1" # PlParam "Ping" "194.25.2.129" #} # Interfaces and their rules # Omitted options will be set to the # default values. Multiple interfaces # can be specified in the same block # and multiple blocks can be set. # !!CHANGE THE INTERFACE LABEL(s) TO MATCH YOUR INTERFACE(s)!! # (eg. wlan0 or eth1): Interface "{$interface}" { # IPv4 broadcast address to use. The # one usefull example would be 255.255.255.255 # If not defined the broadcastaddress # every card is configured with is used # Ip4Broadcast 255.255.255.255 # IPv6 address scope to use. # Must be 'site-local' or 'global' # Ip6AddrType site-local # IPv6 multicast address to use when # using site-local addresses. # If not defined, ff05::15 is used # Ip6MulticastSite ff05::11 # IPv6 multicast address to use when # using global addresses # If not defined, ff0e::1 is used # Ip6MulticastGlobal ff0e::1 # Emission intervals. # If not defined, RFC proposed values will # be used in most cases. # Hello interval in seconds(float) HelloInterval 2.0 # HELLO validity time HelloValidityTime 20.0 # TC interval in seconds(float) TcInterval 5.0 # TC validity time TcValidityTime 30.0 # MID interval in seconds(float) MidInterval 5.0 # MID validity time MidValidityTime 30.0 # HNA interval in seconds(float) HnaInterval 5.0 # HNA validity time HnaValidityTime 30.0 # When multiple links exist between hosts # the weight of interface is used to determine # the link to use. Normally the weight is # automatically calculated by olsrd based # on the characteristics of the interface, # but here you can specify a fixed value. # Olsrd will choose links with the lowest value. # Weight 0 } EOD; fwrite($fd, $olsr); fclose($fd); mwexec_bg("/usr/local/sbin/olsrd -f {$g['varetc_path']}/{$interface}_olsr.conf"); } ?>