. 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 interfaces_loopback_configure() { global $config, $g; mwexec("/sbin/ifconfig lo0 127.0.0.1"); return 0; } function interfaces_vlan_configure() { global $config, $g; if (is_array($config['vlans']['vlan']) && count($config['vlans']['vlan'])) { /* load the VLAN module */ mwexec("/sbin/kldload if_vlan"); /* devices with native VLAN support */ $vlan_native_supp = explode(" ", "bge em gx nge ti txp"); /* devices with long frame support */ $vlan_long_supp = explode(" ", "dc fxp sis ste tl tx xl"); $i = 0; foreach ($config['vlans']['vlan'] as $vlan) { $cmd = "/sbin/ifconfig vlan{$i} create vlan " . escapeshellarg($vlan['tag']) . " vlandev " . escapeshellarg($vlan['if']); /* get driver name */ for ($j = 0; $j < strlen($vlan['if']); $j++) { if ($vlan['if'][$j] >= '0' && $vlan['if'][$j] <= '9') break; } $drvname = substr($vlan['if'], 0, $j); if (in_array($drvname, $vlan_native_supp)) $cmd .= " link0"; else if (in_array($drvname, $vlan_long_supp)) $cmd .= " mtu 1500"; mwexec($cmd); /* make sure the parent interface is up */ mwexec("/sbin/ifconfig " . escapeshellarg($vlan['if']) . " up"); $i++; } } return 0; } function interfaces_lan_configure() { global $config, $g; if ($g['booting']) echo "Configuring LAN interface... "; $lancfg = $config['interfaces']['lan']; /* wireless configuration? */ if (is_array($lancfg['wireless'])) interfaces_wireless_configure($lancfg['if'], $lancfg['wireless']); /* MAC spoofing? */ if ($lancfg['spoofmac']) mwexec("/sbin/ifconfig " . escapeshellarg($lancfg['if']) . " link " . escapeshellarg($lancfg['spoofmac'])); /* media */ if ($lancfg['media'] || $lancfg['mediaopt']) { $cmd = "/sbin/ifconfig " . escapeshellarg($lancfg['if']); if ($lancfg['media']) $cmd .= " media " . escapeshellarg($lancfg['media']); if ($lancfg['mediaopt']) $cmd .= " mediaopt " . escapeshellarg($lancfg['mediaopt']); mwexec($cmd); } $addflags = ""; if (strpos($lancfg['if'], "fxp") !== false) $addflags .= " link0"; mwexec("/sbin/ifconfig " . escapeshellarg($lancfg['if']) . " " . escapeshellarg($lancfg['ipaddr'] . "/" . $lancfg['subnet']) . $addflags); if (!$g['booting']) { /* make new hosts file */ system_hosts_generate(); /* reconfigure static routes (kernel may have deleted them) */ system_routing_configure(); /* reload ipfilter (address may have changed) */ filter_configure(); /* reload shaper (subnet may have changed) */ shaper_configure(); /* reload IPsec tunnels */ vpn_ipsec_configure(); /* reload dhcpd (gateway may have changed) */ services_dhcpd_configure(); /* reload dnsmasq */ services_dnsmasq_configure(); /* reload webgui */ system_webgui_start(); /* reload captive portal */ captiveportal_configure(); } if ($g['booting']) echo "done\n"; return 0; } function interfaces_optional_configure() { global $config, $g; global $bridgeconfig; /* Reset bridge configuration. Interfaces will add to it. */ $bridgeconfig = ""; for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) { interfaces_optional_configure_if($i); } if ($bridgeconfig) { /* Set the system bridge configuration and enable bridging. */ mwexec("/sbin/sysctl net.link.ether.bridge_cfg=" . $bridgeconfig); if (isset($config['bridge']['filteringbridge'])) mwexec("/sbin/sysctl net.link.ether.bridge_ipf=1"); else mwexec("/sbin/sysctl net.link.ether.bridge_ipf=0"); mwexec("/sbin/sysctl net.link.ether.bridge=1"); } else { mwexec("/sbin/sysctl net.link.ether.bridge_ipf=0"); mwexec("/sbin/sysctl net.link.ether.bridge=0"); } if (!$g['booting']) { /* reconfigure static routes (kernel may have deleted them) */ system_routing_configure(); /* reload ipfilter (address may have changed) */ filter_configure(); /* reload shaper (address may have changed) */ shaper_configure(); /* reload IPsec tunnels */ vpn_ipsec_configure(); /* reload dhcpd (interface enabled/disabled/bridged status may have changed) */ services_dhcpd_configure(); /* restart dnsmasq */ services_dnsmasq_configure(); } return 0; } function interfaces_optional_configure_if($opti) { global $config, $g; global $bridgeconfig; $optcfg = $config['interfaces']['opt' . $opti]; if ($g['booting']) { $optdescr = ""; if ($optcfg['descr']) $optdescr = " ({$optcfg['descr']})"; echo "Configuring OPT{$opti}{$optdescr} interface... "; } if (isset($optcfg['enable'])) { /* wireless configuration? */ if (is_array($optcfg['wireless'])) interfaces_wireless_configure($optcfg['if'], $optcfg['wireless']); /* MAC spoofing? */ if ($optcfg['spoofmac']) mwexec("/sbin/ifconfig " . escapeshellarg($optcfg['if']) . " link " . escapeshellarg($optcfg['spoofmac'])); /* media */ if ($optcfg['media'] || $optcfg['mediaopt']) { $cmd = "/sbin/ifconfig " . escapeshellarg($optcfg['if']); if ($optcfg['media']) $cmd .= " media " . escapeshellarg($optcfg['media']); if ($optcfg['mediaopt']) $cmd .= " mediaopt " . escapeshellarg($optcfg['mediaopt']); mwexec($cmd); } $addflags = ""; if (strpos($optcfg['if'], "fxp") !== false) $addflags .= " link0"; /* bridged? */ if ($optcfg['bridge']) { mwexec("/sbin/ifconfig " . escapeshellarg($optcfg['if']) . " delete up"); if ($bridgeconfig != "") $bridgeconfig .= ","; $bridgeconfig .= $optcfg['if'] . ":" . $opti . "," . $config['interfaces'][$optcfg['bridge']]['if'] . ":" . $opti; } else { mwexec("/sbin/ifconfig " . escapeshellarg($optcfg['if']) . " " . escapeshellarg($optcfg['ipaddr'] . "/" . $optcfg['subnet']) . $addflags); } } else { mwexec("/sbin/ifconfig " . escapeshellarg($optcfg['if']) . " delete down"); } if ($g['booting']) echo "done\n"; return 0; } function interfaces_wireless_configure($if, $wlcfg) { global $config, $g; /* wireless configuration */ $ifcargs = escapeshellarg($if) . " ssid " . escapeshellarg($wlcfg['ssid']) . " channel " . escapeshellarg($wlcfg['channel']) . " "; if ($wlcfg['stationname']) $ifcargs .= "stationname " . escapeshellarg($wlcfg['stationname']) . " "; if (isset($wlcfg['wep']['enable']) && is_array($wlcfg['wep']['key'])) { $ifcargs .= "wepmode on "; $i = 1; foreach ($wlcfg['wep']['key'] as $wepkey) { $ifcargs .= "wepkey " . escapeshellarg("{$i}:{$wepkey['value']}") . " "; if (isset($wepkey['txkey'])) { $ifcargs .= "weptxkey {$i} "; } $i++; } } else { $ifcargs .= "wepmode off "; } if (strstr($if, "ath")) { if ($wlcfg['standard']) $ifcargs .= "mode {$wlcfg['standard']} "; } switch ($wlcfg['mode']) { case 'hostap': if (strstr($if, "ath")) $ifcargs .= "-mediaopt adhoc mediaopt hostap "; else if (strstr($if, "wi")) $ifcargs .= "-mediaopt ibss mediaopt hostap "; break; case 'ibss': case 'IBSS': if (strstr($if, "ath")) $ifcargs .= "-mediaopt hostap mediaopt adhoc "; else if (strstr($if, "wi")) $ifcargs .= "-mediaopt hostap mediaopt ibss "; else if (strstr($if, "an")) $ifcargs .= "mediaopt adhoc "; break; case 'bss': case 'BSS': if (strstr($if, "ath")) $ifcargs .= "-mediaopt hostap -mediaopt adhoc "; else if (strstr($if, "wi")) $ifcargs .= "-mediaopt hostap -mediaopt ibss "; else if (strstr($if, "an")) $ifcargs .= "-mediaopt adhoc "; break; } $ifcargs .= "up"; mwexec("/sbin/ifconfig " . $ifcargs); return 0; } function interfaces_wan_configure() { global $config, $g; $wancfg = $config['interfaces']['wan']; if ($g['booting']) echo "Configuring WAN interface... "; else { /* kill dhclient */ killbypid("{$g['varrun_path']}/dhclient.pid"); /* kill PPPoE client (mpd) */ killbypid("{$g['varrun_path']}/mpd.pid"); /* wait for processes to die */ sleep(2); unlink_if_exists("{$g['varetc_path']}/dhclient.conf"); unlink_if_exists("{$g['varetc_path']}/mpd.conf"); unlink_if_exists("{$g['varetc_path']}/mpd.links"); unlink_if_exists("{$g['vardb_path']}/wanip"); unlink_if_exists("{$g['varetc_path']}/nameservers.conf"); } /* remove all addresses first */ while (mwexec("/sbin/ifconfig " . escapeshellarg($wancfg['if']) . " -alias") == 0); mwexec("/sbin/ifconfig " . escapeshellarg($wancfg['if']) . " down"); /* wireless configuration? */ if (is_array($wancfg['wireless'])) interfaces_wireless_configure($wancfg['if'], $wancfg['wireless']); if ($wancfg['spoofmac']) mwexec("/sbin/ifconfig " . escapeshellarg($wancfg['if']) . " link " . escapeshellarg($wancfg['spoofmac'])); /* media */ if ($wancfg['media'] || $wancfg['mediaopt']) { $cmd = "/sbin/ifconfig " . escapeshellarg($wancfg['if']); if ($wancfg['media']) $cmd .= " media " . escapeshellarg($wancfg['media']); if ($wancfg['mediaopt']) $cmd .= " mediaopt " . escapeshellarg($wancfg['mediaopt']); mwexec($cmd); } $addflags = ""; if (strpos($wancfg['if'], "fxp") !== false) $addflags .= " link0"; switch ($wancfg['ipaddr']) { case 'dhcp': interfaces_wan_dhcp_configure(); break; case 'pppoe': interfaces_wan_pppoe_configure(); break; case 'pptp': interfaces_wan_pptp_configure(); break; case 'bigpond': /* just configure DHCP for now; fire up bpalogin when we've got the lease */ interfaces_wan_dhcp_configure(); break; default: if (isset($wancfg['ispointtopoint']) && $wancfg['pointtopoint']) { mwexec("/sbin/ifconfig " . escapeshellarg($wancfg['if']) . " " . escapeshellarg($wancfg['ipaddr'] . "/" . $wancfg['subnet']) . " " . escapeshellarg($wancfg['pointtopoint']) . $addflags . " up"); } else { mwexec("/sbin/ifconfig " . escapeshellarg($wancfg['if']) . " " . escapeshellarg($wancfg['ipaddr'] . "/" . $wancfg['subnet']) . $addflags); } /* install default route */ mwexec("/sbin/route delete default"); mwexec("/sbin/route add default " . escapeshellarg($wancfg['gateway'])); /* resync ipfilter (done automatically for DHCP/PPPoE/PPTP) */ filter_resync(); } if (!$g['booting']) { /* reconfigure static routes (kernel may have deleted them) */ system_routing_configure(); /* reload ipfilter */ filter_configure(); /* reload shaper */ shaper_configure(); /* reload ipsec tunnels */ vpn_ipsec_configure(); /* restart ez-ipupdate */ services_dyndns_configure(); /* force DNS update */ services_dnsupdate_process(); /* restart dnsmasq */ services_dnsmasq_configure(); } if ($g['booting']) echo "done\n"; return 0; } function interfaces_wan_dhcp_configure() { global $config, $g; $wancfg = $config['interfaces']['wan']; /* generate dhclient.conf */ $fd = fopen("{$g['varetc_path']}/dhclient.conf", "w"); if (!$fd) { printf("Error: cannot open dhclient.conf in interfaces_wan_dhcp_configure().\n"); return 1; } $dhclientconf = ""; if ($wancfg['dhcphostname']) { $dhclientconf .= <<