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ddclient
executable file
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ddclient
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#!/usr/bin/perl -w
######################################################################
#
# DDCLIENT - a Perl client for updating DynDNS information
#
# ddclient-curl - Fork of ddclient using curl for network IO
# Author: David Kerr, et al.
# website: https://github.com/astlinux-project/ddclient-curl
#
# Current ddclient Maintainer: wimpunk https://github.com/wimpunk
# website: https://github.com/wimpunk/ddclient
#
# Original Author: Paul Burry (paul+ddclient@burry.ca)
#
# Support for multiple IP numbers added by
# Astaro AG, Ingo Schwarze <ischwarze-OOs/4mkCeqbQT0dZR+AlfA@public.gmane.org> September 16, 2008
#
# Support for multiple domain support for Namecheap by Robert Ian Hawdon 2010-09-03: https://robertianhawdon.me.uk/
#
# Initial Cloudflare support by Ian Pye, updated by Robert Ian Hawdon 2012-07-16
# Further updates by Peter Roberts to support the new API 2013-09-26, 2014-06-22: http://blog.peter-r.co.uk/
#
######################################################################
require 5.004;
use strict;
use Getopt::Long;
use Sys::Hostname;
my $version = "3.8.3-08";
my $programd = $0;
$programd =~ s%^.*/%%;
my $program = $programd;
$program =~ s/d$//;
my $now = time;
my $hostname = hostname();
my $etc = ($program =~ /test/i) ? './' : '/etc/ddclient/';
my $cachedir = ($program =~ /test/i) ? './' : '/var/cache/ddclient/';
my $savedir = ($program =~ /test/i) ? 'URL/' : '/tmp/';
my $msgs = '';
my $last_msgs = '';
use vars qw($file $lineno);
local $file = '';
local $lineno = '';
$ENV{'PATH'} = (exists($ENV{PATH}) ? "$ENV{PATH}:" : "") . "/sbin:/usr/sbin:/bin:/usr/bin:/etc:/usr/lib:";
sub T_ANY {'any'}
sub T_STRING {'string'}
sub T_EMAIL {'e-mail address'}
sub T_NUMBER {'number'}
sub T_DELAY {'time delay (ie. 1d, 1hour, 1m)'}
sub T_LOGIN {'login'}
sub T_PASSWD {'password'}
sub T_BOOL {'boolean value'}
sub T_FQDN {'fully qualified host name'}
sub T_OFQDN {'optional fully qualified host name'}
sub T_FILE {'file name'}
sub T_FQDNP {'fully qualified host name and optional port number'}
sub T_PROTO {'protocol'}
sub T_USE {'ip strategy'}
sub T_USEV6 {'ipv6 strategy'}
sub T_IF {'interface'}
sub T_PROG {'program name'}
sub T_IP {'ip'}
sub T_IPV6 {'ipv6'}
sub T_POSTS {'postscript'}
## strategies for obtaining an ip address.
my %builtinweb = (
'dyndns' => {'url' => 'http://checkip.dyndns.org/', 'skip' => 'Current IP Address:',},
'dnspark' => {'url' => 'http://ipdetect.dnspark.com/', 'skip' => 'Current Address:',},
'he' => {'url' => 'http://checkip.dns.he.net/', 'skip' => 'Your IP address is',},
'whatismyv6' => {'url' => 'http://whatismyv6.com/', 'skip' => 'Address of:',},
'nsupdate.info' => {'url' => 'https://www.nsupdate.info/myip',,},
);
my %builtinfw = (
'watchguard-soho' => {
'name' => 'Watchguard SOHO FW',
'url' => '/pubnet.htm',
'skip' => 'NAME=IPAddress VALUE=',
},
'netopia-r910' => {
'name' => 'Netopia R910 FW',
'url' => '/WanEvtLog',
'skip' => 'local:',
},
'smc-barricade' => {
'name' => 'SMC Barricade FW',
'url' => '/status.htm',
'skip' => 'IP Address',
},
'smc-barricade-alt' => {
'name' => 'SMC Barricade FW (alternate config)',
'url' => '/status.HTM',
'skip' => 'WAN IP',
},
'smc-barricade-7401bra' => {
'name' => 'SMC Barricade 7401BRA FW',
'url' => '/admin/wan1.htm',
'skip' => 'IP Address',
},
'netgear-rt3xx' => {
'name' => 'Netgear FW',
'url' => '/mtenSysStatus.html',
'skip' => 'IP Address',
},
'elsa-lancom-dsl10' => {
'name' => 'ELSA LanCom DSL/10 DSL FW',
'url' => '/config/1/6/8/3/',
'skip' => 'IP.Address',
},
'elsa-lancom-dsl10-ch01' => {
'name' => 'ELSA LanCom DSL/10 DSL FW (isdn ch01)',
'url' => '/config/1/6/8/3/',
'skip' => 'IP.Address.*?CH01',
},
'elsa-lancom-dsl10-ch02' => {
'name' => 'ELSA LanCom DSL/10 DSL FW (isdn ch01)',
'url' => '/config/1/6/8/3/',
'skip' => 'IP.Address.*?CH02',
},
'linksys' => {
'name' => 'Linksys FW',
'url' => '/Status.htm',
'skip' => 'WAN.*?Address',
},
'linksys-ver2' => {
'name' => 'Linksys FW version 2',
'url' => '/RouterStatus.htm',
'skip' => 'WAN.*?Address',
},
'linksys-ver3' => {
'name' => 'Linksys FW version 3',
'url' => '/Status_Router.htm',
'skip' => 'WAN.*?Address',
},
'linksys-wrt854g' => {
'name' => 'Linksys WRT854G FW',
'url' => '/Status_Router.asp',
'skip' => 'IP Address:',
},
'maxgate-ugate3x00' => {
'name' => 'MaxGate UGATE-3x00 FW',
'url' => '/Status.htm',
'skip' => 'WAN.*?IP Address',
},
'netcomm-nb3' => {
'name' => 'NetComm NB3',
'url' => '/MainPage?id=6',
'skip' => 'ppp-0',
},
'3com-3c886a' => {
'name' => '3com 3c886a 56k Lan Modem',
'url' => '/stat3.htm',
'skip' => 'IP address in use',
},
'sohoware-nbg800' => {
'name' => 'SOHOWare BroadGuard NBG800',
'url' => '/status.htm',
'skip' => 'Internet IP',
},
'xsense-aero' => {
'name' => 'Xsense Aero',
'url' => '/A_SysInfo.htm',
'skip' => 'WAN.*?IP Address',
},
'alcatel-stp' => {
'name' => 'Alcatel Speed Touch Pro',
'url' => '/cgi/router/',
'skip' => 'Brt',
},
'alcatel-510' => {
'name' => 'Alcatel Speed Touch 510',
'url' => '/cgi/ip/',
'skip' => 'ppp',
},
'allnet-1298' => {
'name' => 'Allnet 1298',
'url' => '/cgi/router/',
'skip' => 'WAN',
},
'3com-oc-remote812' => {
'name' => '3com OfficeConnect Remote 812',
'url' => '/callEvent',
'skip' => '.*LOCAL',
},
'e-tech' => {
'name' => 'E-tech Router',
'url' => '/Status.htm',
'skip' => 'Public IP Address',
},
'cayman-3220h' => {
'name' => 'Cayman 3220-H DSL',
'url' => '/shell/show+ip+interfaces',
'skip' => '.*inet',
},
'vigor-2200usb' => {
'name' => 'Vigor 2200 USB',
'url' => '/doc/online.sht',
'skip' => 'PPPoA',
},
'dlink-614' => {
'name' => 'D-Link DI-614+',
'url' => '/st_devic.html',
'skip' => 'WAN',
},
'dlink-604' => {
'name' => 'D-Link DI-604',
'url' => '/st_devic.html',
'skip' => 'WAN.*?IP.*Address',
},
'olitec-SX200' => {
'name' => 'olitec-SX200',
'url' => '/doc/wan.htm',
'skip' => 'st_wan_ip[0] = "',
},
'westell-6100' => {
'name' => 'Westell C90-610015-06 DSL Router',
'url' => '/advstat.htm',
'skip' => 'IP.+?Address',
},
'2wire' => {
'name' => '2Wire 1701HG Gateway',
'url' => '/xslt?PAGE=B01',
'skip' => 'Internet Address:',
},
'linksys-rv042-wan1' => {
'name' => 'Linksys RV042 Dual Homed Router WAN Port 2',
'url' => '/home.htm',
'skip' => 'WAN1 IP',
},
'linksys-rv042-wan2' => {
'name' => 'Linksys RV042 Dual Homed Router WAN Port 2',
'url' => '/home.htm',
'skip' => 'WAN2 IP',
},
'netgear-rp614' => {
'name' => 'Netgear RP614 FW',
'url' => '/sysstatus.html',
'skip' => 'IP Address',
},
'watchguard-edge-x' => {
'name' => 'Watchguard Edge X FW',
'url' => '/netstat.htm',
'skip' => 'inet addr:',
},
'dlink-524' => {
'name' => 'D-Link DI-524',
'url' => '/st_device.html',
'skip' => 'WAN.*?Addres',
},
'rtp300' => {
'name' => 'Linksys RTP300',
'url' => '/cgi-bin/webcm?getpage=%2Fusr%2Fwww_safe%2Fhtml%2Fstatus%2FRouter.html',
'skip' => 'Internet.*?IP Address',
},
'netgear-wpn824' => {
'name' => 'Netgear WPN824 FW',
'url' => '/RST_status.htm',
'skip' => 'IP Address',
},
'linksys-wcg200' => {
'name' => 'Linksys WCG200 FW',
'url' => '/RgStatus.asp',
'skip' => 'WAN.IP.*?Address',
},
'netgear-dg834g' => {
'name' => 'netgear-dg834g',
'url' => '/setup.cgi?next_file=s_status.htm&todo=cfg_init',
'skip' => '',
},
'netgear-wgt624' => {
'name' => 'Netgear WGT624',
'url' => '/RST_st_dhcp.htm',
'skip' => 'IP Address</B></td><TD NOWRAP width="50%">',
},
'sveasoft' => {
'name' => 'Sveasoft WRT54G/WRT54GS',
'url' => '/Status_Router.asp',
'skip' => 'var wan_ip',
},
'smc-barricade-7004vbr' => {
'name' => 'SMC Barricade FW (7004VBR model config)',
'url' => '/status_main.stm',
'skip' => 'var wan_ip=',
},
'sitecom-dc202' => {
'name' => 'Sitecom DC-202 FW',
'url' => '/status.htm',
'skip' => 'Internet IP Address',
},
);
my %ip_strategies = (
'no' => ": do not obtain an IPv4 address for this host",
'ip' => ": obtain IP from -ip {address}",
'web' => ": obtain IP from an IP discovery page on the web",
'fw' => ": obtain IP from the firewall specified by -fw {type|address}",
'if' => ": obtain IP from the -if {interface}",
'cmd' => ": obtain IP from the -cmd {external-command}",
'cisco' => ": obtain IP from Cisco FW at the -fw {address}",
'cisco-asa' => ": obtain IP from Cisco ASA at the -fw {address}",
map {$_ => sprintf ": obtain IP from %s at the -fw {address}", $builtinfw{$_}->{'name'}} keys %builtinfw,
);
sub ip_strategies_usage {
return map {sprintf(" -use=%-22s %s.", $_, $ip_strategies{$_})} sort keys %ip_strategies;
}
my %ipv6_strategies = (
'no' => ": do not obtain an IPv6 address for this host",
'ip' => ": obtain IP from -ipv6 {address}",
'if' => ": obtain IP from the -if {interface}",
'cmd' => ": obtain IP from the -cmdv6 {external-command}",
'web' => ": obtain IP from an IP discovery page on the web"
);
sub ipv6_strategies_usage {
return map {sprintf(" -usev6=%-22s %s.", $_, $ipv6_strategies{$_})} sort keys %ipv6_strategies;
}
my %web_strategies = (
'dyndns' => 1,
'dnspark' => 1,
'loopia' => 1,
);
sub setv {
return {
'type' => shift,
'required' => shift,
'cache' => shift,
'config' => shift,
'default' => shift,
'minimum' => shift,
};
}
my %variables = (
'global-defaults' => {
'daemon' => setv(T_DELAY, 0, 0, 1, 0, interval('60s')),
'foreground' => setv(T_BOOL, 0, 0, 1, 0, undef),
'file' => setv(T_FILE, 0, 0, 1, "$etc$program.conf", undef),
'cache' => setv(T_FILE, 0, 0, 1, "$cachedir$program.cache", undef),
'pid' => setv(T_FILE, 0, 0, 1, "", undef),
'proxy' => setv(T_FQDNP, 0, 0, 1, '', undef),
'protocol' => setv(T_PROTO, 0, 0, 1, 'dyndns2', undef),
'use' => setv(T_USE, 0, 0, 1, 'ip', undef),
'usev6' => setv(T_USEV6, 0, 0, 1, undef, undef),
'ip' => setv(T_IP, 0, 0, 1, undef, undef),
'ipv6' => setv(T_IPV6, 0, 0, 1, undef, undef),
'if' => setv(T_IF, 0, 0, 1, 'ppp0', undef),
'if-skip' => setv(T_STRING, 1, 0, 1, '', undef),
'web' => setv(T_STRING, 0, 0, 1, 'dyndns', undef),
'web-skip' => setv(T_STRING, 1, 0, 1, '', undef),
'webv6' => setv(T_STRING, 0, 0, 1, '', undef),
'webv6-skip' => setv(T_STRING, 1, 0, 1, '', undef),
'fw' => setv(T_ANY, 0, 0, 1, '', undef),
'fw-skip' => setv(T_STRING, 1, 0, 1, '', undef),
'fw-banlocal' => setv(T_BOOL, 0, 0, 1, 0, undef),
'fw-login' => setv(T_LOGIN, 1, 0, 1, '', undef),
'fw-password' => setv(T_PASSWD, 1, 0, 1, '', undef),
'cmd' => setv(T_PROG, 0, 0, 1, '', undef),
'cmd-skip' => setv(T_STRING, 1, 0, 1, '', undef),
'cmdv6' => setv(T_PROG, 0, 0, 1, '', undef),
'cmdv6-skip' => setv(T_STRING, 1, 0, 1, '', undef),
'timeout' => setv(T_DELAY, 0, 0, 1, interval('120s'), interval('120s')),
'retry' => setv(T_BOOL, 0, 0, 0, 0, undef),
'force' => setv(T_BOOL, 0, 0, 0, 0, undef),
'ssl' => setv(T_BOOL, 0, 0, 0, 0, undef),
'syslog' => setv(T_BOOL, 0, 0, 1, 0, undef),
'facility' => setv(T_STRING, 0, 0, 1, 'daemon', undef),
'priority' => setv(T_STRING, 0, 0, 1, 'notice', undef),
'mail' => setv(T_EMAIL, 0, 0, 1, '', undef),
'mail-failure' => setv(T_EMAIL, 0, 0, 1, '', undef),
'exec' => setv(T_BOOL, 0, 0, 1, 1, undef),
'debug' => setv(T_BOOL, 0, 0, 1, 0, undef),
'verbose' => setv(T_BOOL, 0, 0, 1, 0, undef),
'quiet' => setv(T_BOOL, 0, 0, 1, 0, undef),
'help' => setv(T_BOOL, 0, 0, 1, 0, undef),
'test' => setv(T_BOOL, 0, 0, 1, 0, undef),
'geturl' => setv(T_STRING, 0, 0, 0, '', undef),
'postscript' => setv(T_POSTS, 0, 0, 1, '', undef),
},
'service-common-defaults' => {
'server' => setv(T_FQDNP, 1, 0, 1, 'members.dyndns.org', undef),
'login' => setv(T_LOGIN, 1, 0, 1, '', undef),
'password' => setv(T_PASSWD, 1, 0, 1, '', undef),
'host' => setv(T_STRING, 1, 1, 1, '', undef),
'use' => setv(T_USE, 0, 0, 1, 'ip', undef),
'usev6' => setv(T_USEV6, 0, 0, 1, undef, undef),
'if' => setv(T_IF, 0, 0, 1, 'ppp0', undef),
'if-skip' => setv(T_STRING, 0, 0, 1, '', undef),
'web' => setv(T_STRING, 0, 0, 1, 'dyndns', undef),
'web-skip' => setv(T_STRING, 0, 0, 1, '', undef),
'webv6' => setv(T_STRING, 0, 0, 1, '', undef),
'webv6-skip' => setv(T_STRING, 0, 0, 1, '', undef),
'fw' => setv(T_ANY, 0, 0, 1, '', undef),
'fw-skip' => setv(T_STRING, 0, 0, 1, '', undef),
'fw-banlocal' => setv(T_BOOL, 0, 0, 1, 0, undef),
'fw-login' => setv(T_LOGIN, 0, 0, 1, '', undef),
'fw-password' => setv(T_PASSWD, 0, 0, 1, '', undef),
'cmd' => setv(T_PROG, 0, 0, 1, '', undef),
'cmd-skip' => setv(T_STRING, 0, 0, 1, '', undef),
'cmdv6' => setv(T_PROG, 0, 0, 1, '', undef),
'cmdv6-skip' => setv(T_STRING, 0, 0, 1, '', undef),
'ip' => setv(T_IP, 0, 1, 0, undef, undef),
'ipv6' => setv(T_IPV6, 0, 1, 0, undef, undef),
'wtime' => setv(T_DELAY, 0, 1, 1, 0, interval('30s')),
'mtime' => setv(T_NUMBER, 0, 1, 0, 0, undef),
'atime' => setv(T_NUMBER, 0, 1, 0, 0, undef),
'status' => setv(T_ANY, 0, 1, 0, '', undef),
'status-ipv6' => setv(T_ANY, 0, 1, 0, '', undef),
'min-interval' => setv(T_DELAY, 0, 0, 1, interval('30s'), 0),
'max-interval' => setv(T_DELAY, 0, 0, 1, interval('25d'), 0),
'min-error-interval' => setv(T_DELAY, 0, 0, 1, interval('5m'), 0),
'warned-min-interval' => setv(T_ANY, 0, 1, 0, 0, undef),
'warned-min-error-interval' => setv(T_ANY, 0, 1, 0, 0, undef),
},
'dyndns-common-defaults' => {
'static' => setv(T_BOOL, 0, 1, 1, 0, undef),
'wildcard' => setv(T_BOOL, 0, 1, 1, 0, undef),
'mx' => setv(T_OFQDN, 0, 1, 1, '', undef),
'backupmx' => setv(T_BOOL, 0, 1, 1, 0, undef),
},
'easydns-common-defaults' => {
'wildcard' => setv(T_BOOL, 0, 1, 1, 0, undef),
'mx' => setv(T_OFQDN, 0, 1, 1, '', undef),
'backupmx' => setv(T_BOOL, 0, 1, 1, 0, undef),
},
'dnspark-common-defaults' => {
'mx' => setv(T_OFQDN, 0, 1, 1, '', undef),
'mxpri' => setv(T_NUMBER, 0, 0, 1, 5, undef),
},
'noip-common-defaults' => {
'static' => setv(T_BOOL, 0, 1, 1, 0, undef),
},
'noip-service-common-defaults' => {
'server' => setv(T_FQDNP, 1, 0, 1, 'dynupdate.no-ip.com', undef),
'login' => setv(T_LOGIN, 1, 0, 1, '', undef),
'password' => setv(T_PASSWD, 1, 0, 1, '', undef),
'host' => setv(T_STRING, 1, 1, 1, '', undef),
'ip' => setv(T_IP, 0, 1, 0, undef, undef),
'ipv6' => setv(T_IPV6, 0, 1, 0, undef, undef),
'wtime' => setv(T_DELAY, 0, 1, 1, 0, interval('30s')),
'mtime' => setv(T_NUMBER, 0, 1, 0, 0, undef),
'atime' => setv(T_NUMBER, 0, 1, 0, 0, undef),
'status' => setv(T_ANY, 0, 1, 0, '', undef),
'min-interval' => setv(T_DELAY, 0, 0, 1, interval('30s'), 0),
'max-interval' => setv(T_DELAY, 0, 0, 1, interval('25d'), 0),
'min-error-interval' => setv(T_DELAY, 0, 0, 1, interval('5m'), 0),
'warned-min-interval' => setv(T_ANY, 0, 1, 0, 0, undef),
'warned-min-error-interval' => setv(T_ANY, 0, 1, 0, 0, undef),
},
'zoneedit-service-common-defaults' => {
'zone' => setv(T_OFQDN, 0, 0, 1, undef, undef),
},
'dtdns-common-defaults' => {
'login' => setv(T_LOGIN, 0, 0, 0, 'unused', undef),
'client' => setv(T_STRING, 0, 1, 1, $program, undef),
},
'nsupdate-common-defaults' => {
'ttl' => setv(T_NUMBER, 0, 1, 0, 600, undef),
'zone' => setv(T_STRING, 1, 1, 1, '', undef),
'tcp' => setv(T_BOOL, 0, 1, 1, 0, undef),
},
'cloudflare-common-defaults' => {
'server' => setv(T_FQDNP, 1, 0, 1, 'api.cloudflare.com/client/v4', undef),
'zone' => setv(T_FQDN, 1, 0, 1, '', undef),
},
'googledomains-common-defaults' => {
'server' => setv(T_FQDNP, 1, 0, 1, 'domains.google.com', undef),
},
'duckdns-common-defaults' => {
'server' => setv(T_FQDNP, 1, 0, 1, 'www.duckdns.org', undef),
'login' => setv(T_LOGIN, 0, 0, 0, 'unused', undef),
},
'ipv64-common-defaults' => {
'server' => setv(T_FQDNP, 1, 0, 1, 'ipv64.net', undef),
'login' => setv(T_LOGIN, 0, 0, 0, 'unused', undef),
},
'he-common-defaults' => {
'server' => setv(T_FQDNP, 1, 0, 1, 'dyn.dns.he.net', undef),
},
);
my %services = (
'dyndns1' => {
'updateable' => \&nic_dyndns2_updateable,
'update' => \&nic_dyndns1_update,
'examples' => \&nic_dyndns1_examples,
'variables' => merge(
$variables{'dyndns-common-defaults'},
$variables{'service-common-defaults'},
),
},
'dyndns2' => {
'updateable' => \&nic_dyndns2_updateable,
'update' => \&nic_dyndns2_update,
'examples' => \&nic_dyndns2_examples,
'variables' => merge(
{'custom' => setv(T_BOOL, 0, 1, 1, 0, undef),},
{'script' => setv(T_STRING, 1, 1, 1, '/nic/update', undef),},
# {'offline' => setv(T_BOOL, 0, 1, 1, 0, undef),},
$variables{'dyndns-common-defaults'},
$variables{'service-common-defaults'},
),
},
'noip' => {
'updateable' => undef,
'update' => \&nic_noip_update,
'examples' => \&nic_noip_examples,
'variables' => merge(
{'custom' => setv(T_BOOL, 0, 1, 1, 0, undef),},
$variables{'noip-common-defaults'},
$variables{'noip-service-common-defaults'},
),
},
'concont' => {
'updateable' => undef,
'update' => \&nic_concont_update,
'examples' => \&nic_concont_examples,
'variables' => merge(
$variables{'service-common-defaults'},
{'mx' => setv(T_OFQDN, 0, 1, 1, '', undef),},
{'wildcard' => setv(T_BOOL, 0, 1, 1, 0, undef),},
),
},
'dslreports1' => {
'updateable' => undef,
'update' => \&nic_dslreports1_update,
'examples' => \&nic_dslreports1_examples,
'variables' => merge(
{'host' => setv(T_NUMBER, 1, 1, 1, 0, undef)},
$variables{'service-common-defaults'},
),
},
'hammernode1' => {
'updateable' => undef,
'update' => \&nic_hammernode1_update,
'examples' => \&nic_hammernode1_examples,
'variables' => merge(
{'server' => setv(T_FQDNP, 1, 0, 1, 'dup.hn.org', undef)},
{'min-interval' => setv(T_DELAY, 0, 0, 1, interval('5m'), 0),},
$variables{'service-common-defaults'},
),
},
'zoneedit1' => {
'updateable' => undef,
'update' => \&nic_zoneedit1_update,
'examples' => \&nic_zoneedit1_examples,
'variables' => merge(
{'server' => setv(T_FQDNP, 1, 0, 1, 'dynamic.zoneedit.com', undef)},
{'min-interval' => setv(T_DELAY, 0, 0, 1, interval('5m'), 0),},
$variables{'service-common-defaults'},
$variables{'zoneedit-service-common-defaults'},
),
},
'easydns' => {
'updateable' => undef,
'update' => \&nic_easydns_update,
'examples' => \&nic_easydns_examples,
'variables' => merge(
{'server' => setv(T_FQDNP, 1, 0, 1, 'members.easydns.com', undef)},
{'min-interval' => setv(T_DELAY, 0, 0, 1, interval('5m'), 0),},
$variables{'easydns-common-defaults'},
$variables{'service-common-defaults'},
),
},
'dnspark' => {
'updateable' => undef,
'update' => \&nic_dnspark_update,
'examples' => \&nic_dnspark_examples,
'variables' => merge(
{'server' => setv(T_FQDNP, 1, 0, 1, 'www.dnspark.com', undef)},
{'min-interval' => setv(T_DELAY, 0, 0, 1, interval('5m'), 0),},
$variables{'dnspark-common-defaults'},
$variables{'service-common-defaults'},
),
},
'namecheap' => {
'updateable' => undef,
'update' => \&nic_namecheap_update,
'examples' => \&nic_namecheap_examples,
'variables' => merge(
{'server' => setv(T_FQDNP, 1, 0, 1, 'dynamicdns.park-your-domain.com', undef)},
{'min-interval' => setv(T_DELAY, 0, 0, 1, 0, interval('5m')),},
$variables{'service-common-defaults'},
),
},
'sitelutions' => {
'updateable' => undef,
'update' => \&nic_sitelutions_update,
'examples' => \&nic_sitelutions_examples,
'variables' => merge(
{'server' => setv(T_FQDNP, 1, 0, 1, 'www.sitelutions.com', undef)},
{'min-interval' => setv(T_DELAY, 0, 0, 1, 0, interval('5m')),},
$variables{'service-common-defaults'},
),
},
'freedns' => {
'updateable' => undef,
'update' => \&nic_freedns_update,
'examples' => \&nic_freedns_examples,
'variables' => merge(
{'server' => setv(T_FQDNP, 1, 0, 1, 'freedns.afraid.org', undef)},
{'min-interval' => setv(T_DELAY, 0, 0, 1, 0, interval('5m')),},
$variables{'service-common-defaults'},
),
},
'changeip' => {
'updateable' => undef,
'update' => \&nic_changeip_update,
'examples' => \&nic_changeip_examples,
'variables' => merge(
{'server' => setv(T_FQDNP, 1, 0, 1, 'nic.changeip.com', undef)},
{'min-interval' => setv(T_DELAY, 0, 0, 1, 0, interval('5m')),},
$variables{'service-common-defaults'},
),
},
'dtdns' => {
'updateable' => undef,
'update' => \&nic_dtdns_update,
'examples' => \&nic_dtdns_examples,
'variables' => merge(
$variables{'dtdns-common-defaults'},
$variables{'service-common-defaults'},
),
},
'nsupdate' => {
'updateable' => undef,
'update' => \&nic_nsupdate_update,
'examples' => \&nic_nsupdate_examples,
'variables' => merge(
{'login' => setv(T_LOGIN, 1, 0, 1, '/usr/bin/nsupdate', undef),},
$variables{'nsupdate-common-defaults'},
$variables{'service-common-defaults'},
),
},
'cloudflare' => {
'updateable' => undef,
'update' => \&nic_cloudflare_update,
'examples' => \&nic_cloudflare_examples,
'variables' => merge(
{'min-interval' => setv(T_DELAY, 0, 0, 1, interval('5m'), 0),},
$variables{'cloudflare-common-defaults'},
$variables{'service-common-defaults'},
),
},
'googledomains' => {
'updateable' => undef,
'update' => \&nic_googledomains_update,
'examples' => \&nic_googledomains_examples,
'variables' => merge(
{'min-interval' => setv(T_DELAY, 0, 0, 1, interval('5m'), 0),},
$variables{'googledomains-common-defaults'},
$variables{'service-common-defaults'},
),
},
'duckdns' => {
'updateable' => undef,
'update' => \&nic_duckdns_update,
'examples' => \&nic_duckdns_examples,
'variables' => merge(
$variables{'duckdns-common-defaults'},
$variables{'service-common-defaults'},
),
},
'ipv64' => {
'updateable' => undef,
'update' => \&nic_ipv64_update,
'examples' => \&nic_ipv64_examples,
'variables' => merge(
$variables{'ipv64-common-defaults'},
$variables{'service-common-defaults'},
),
},
'he' => {
'updateable' => undef,
'update' => \&nic_he_update,
'examples' => \&nic_he_examples,
'variables' => merge(
{'min-interval' => setv(T_DELAY, 0, 0, 1, interval('5m'), 0),},
$variables{'he-common-defaults'},
$variables{'service-common-defaults'},
),
},
);
$variables{'merged'} = merge(
$variables{'global-defaults'},
$variables{'service-common-defaults'},
$variables{'dyndns-common-defaults'},
map {$services{$_}{'variables'}} keys %services,
);
my @opt = (
"usage: ${program} [options]",
"options are:",
["daemon", "=s", "-daemon delay : run as a daemon, specify delay as an interval."],
["foreground", "!", "-foreground : do not fork"],
["proxy", "=s", "-proxy host : use 'host' as the HTTP proxy"],
["server", "=s", "-server host : update DNS information on 'host'"],
["protocol", "=s", "-protocol type : update protocol used"],
["file", "=s", "-file path : load configuration information from 'path'"],
["cache", "=s", "-cache path : record address used in 'path'"],
["pid", "=s", "-pid path : record process id in 'path'"],
"",
["use", "=s", "-use which : how the should IP address be obtained."], &ip_strategies_usage(),
["usev6", "=s", "-usev6 which : how the should IPv6 address be obtained."], &ipv6_strategies_usage(),
"",
["ip", "=s", "-ip address : set the IP address to 'address'"],
["ipv6", "=s", "-ipv6 address : set the IPv6 address to 'address'"],
"",
["if", "=s", "-if interface : obtain IP address from 'interface'"],
["if-skip", "=s", "-if-skip pattern : skip any IP addresses before 'pattern' in the output of 'ip'"],
"",
["web", "=s", "-web provider|url : obtain IP address from provider's IP checking page"],
["web-skip", "=s", "-web-skip pattern : skip any IP addresses before 'pattern' on the web provider|url"],
["webv6", "=s", "-webv6 provider|url : obtain IPv6 address from provider's IP checking page"],
["webv6-skip", "=s", "-webv6-skip pattern : skip any IPv6 addresses before 'pattern' on the web provider|url"],
"",
["fw", "=s", "-fw address|url : obtain IP address from firewall at 'address'"],
["fw-skip", "=s", "-fw-skip pattern : skip any IP addresses before 'pattern' on the firewall address|url"],
["fw-banlocal", "!", "-fw-banlocal : ignore local IP addresses on the firewall address|url"],
["fw-login", "=s", "-fw-login login : use 'login' when getting IP from fw"],
["fw-password", "=s", "-fw-password secret : use password 'secret' when getting IP from fw"],
"",
["cmd", "=s", "-cmd program : obtain IP address from by calling {program}"],
["cmd-skip", "=s", "-cmd-skip pattern : skip any IP addresses before 'pattern' in the output of {cmd}"],
["cmdv6", "=s", "-cmdv6 program : obtain IPv6 address from by calling {program}"],
["cmdv6-skip", "=s", "-cmdv6-skip pattern : skip any IPv6 addresses before 'pattern' in the output of {cmd}"],
"",
["login", "=s", "-login user : login as 'user'"],
["password", "=s", "-password secret : use password 'secret'"],
["host", "=s", "-host host : update DNS information for 'host'"],
"",
["options", "=s", "-options opt,opt : optional per-service arguments (see below)"],
"",
["ssl", "!", "-{no}ssl : do updates over encrypted SSL connection"],
["retry", "!", "-{no}retry : retry failed updates."],
["force", "!", "-{no}force : force an update even if the update may be unnecessary"],
["timeout", "=i", "-timeout max : wait at most 'max' seconds for the host to respond"],
["max-warn", "=i", "-max-warn max : maximum nubmer of warning messages for undefined IP address"],
["syslog", "!", "-{no}syslog : log messages to syslog"],
["facility", "=s", "-facility {type} : log messages to syslog to facility {type}"],
["priority", "=s", "-priority {pri} : log messages to syslog with priority {pri}"],
["mail", "=s", "-mail address : e-mail messages to {address}"],
["mail-failure", "=s", "-mail-failure address : e-mail messages for failed updates to {address}"],
["exec", "!", "-{no}exec : do {not} execute; just show what would be done"],
["debug", "!", "-{no}debug : print {no} debugging information"],
["verbose", "!", "-{no}verbose : print {no} verbose information"],
["quiet", "!", "-{no}quiet : print {no} messages for unnecessary updates"],
["help", "", "-help : this message"],
["postscript", "", "-postscript : script to run after updating ddclient, has new IP as param"],
["query", "!", "-{no}query : print {no} ip addresses and exit"],
["test", "!", ""], ## hidden
["geturl", "=s", ""], ## hidden
"",
nic_examples(),
"$program version $version, ",
" originally written by Paul Burry, paul+ddclient\@burry.ca",
" project now maintained on https://github.com/astlinux-project/ddclient-curl"
);
## process args
my ($opt_usage, %opt) = process_args(@opt);
my ($result, %config, %globals, %cache);
my $saved_cache = '';
my %saved_opt = %opt;
$result = 'OK';
my (%warned_ipv4, %warned_ipv6);
my $inv_ip_warn_count = define(opt('max-warn'), 1);
test_geturl(opt('geturl')) if opt('geturl');
## process help option
if (opt('help')) {
*STDERR = *STDOUT;
usage(0);
}
## read config file because 'daemon' mode may be defined there.
read_config(define($opt{'file'}, default('file')), \%config, \%globals);
init_config();
test_possible_ip() if opt('query');
if (!opt('daemon') && $programd =~ /d$/) {
$opt{'daemon'} = minimum('daemon');
}
my $caught_hup = 0;
my $caught_term = 0;
my $caught_kill = 0;
$SIG{'HUP'} = sub {$caught_hup = 1;};
$SIG{'TERM'} = sub {$caught_term = 1;};
$SIG{'KILL'} = sub {$caught_kill = 1;};
# don't fork() if foreground or force is on
if (opt('foreground') || opt('force')) {
;
} elsif (opt('daemon')) {
$SIG{'CHLD'} = 'IGNORE';
my $pid = fork;
if ($pid < 0) {
print STDERR "${program}: can not fork ($!)\n";
exit -1;
} elsif ($pid) {
exit 0;
}
$SIG{'CHLD'} = 'DEFAULT';
open(STDOUT, ">/dev/null");
open(STDERR, ">/dev/null");
open(STDIN, "</dev/null");
}
# write out the pid file if we're daemon'ized
if (opt('daemon')) {
write_pid();
$opt{'syslog'} = 1;
}
umask 077;
my $daemon;
do {
$now = time;
$result = 'OK';
%opt = %saved_opt;
if (opt('help')) {
*STDERR = *STDOUT;
printf("Help found");
# usage();
}
read_config(define($opt{'file'}, default('file')), \%config, \%globals);
init_config();
read_cache(opt('cache'), \%cache);
print_info() if opt('debug') && opt('verbose');
# usage("invalid argument '-use %s'; possible values are:\n\t%s", $opt{'use'}, join("\n\t,",sort keys %ip_strategies))
usage("invalid argument '-use %s'; possible values are:\n%s", $opt{'use'}, join("\n", ip_strategies_usage()))
unless exists $ip_strategies{lc opt('use')};
if (defined($opt{'usev6'})) {
usage("invalid argument '-usev6 %s'; possible values are:\n%s", $opt{'usev6'}, join("\n", ipv6_strategies_usage()))
unless exists $ipv6_strategies{lc opt('usev6')};
}
$daemon = $opt{'daemon'};
$daemon = 0 if opt('force');
update_nics();
if ($daemon) {
debug("sleep %s", $daemon);
sendmail();
my $left = $daemon;
while (($left > 0) && !$caught_hup && !$caught_term && !$caught_kill) {
my $delay = $left > 10 ? 10 : $left;
$0 = sprintf("%s - sleeping for %s seconds", $program, $left);
$left -= sleep $delay;
# preventing deep sleep - see [bugs:#46]
if ($left > $daemon) {
$left = $daemon;
}
}
$caught_hup = 0;
$result = 0;
} elsif (!scalar(%config)) {
warning("no hosts to update.") unless !opt('quiet') || opt('verbose') || !$daemon;
$result = 1;
} else {
$result = $result eq 'OK' ? 0 : 1;
}
} while ($daemon && !$result && !$caught_term && !$caught_kill);
warning("caught SIGKILL; exiting") if $caught_kill;
unlink_pid();
sendmail();
exit($result);
######################################################################
## runpostscript
######################################################################
sub runpostscript {
my ($ip) = @_;
if (defined $globals{postscript}) {
if (-x $globals{postscript}) {
system("$globals{postscript} $ip &");
} else {
warning("Can not execute post script: %s", $globals{postscript});
}
}
}
######################################################################
## update_nics
######################################################################
sub update_nics {
my %examined = ();
my %iplist = ();
my %ipv6list = ();
foreach my $s (sort keys %services) {
my (@hosts, %ips, %ipsv6) = ();
my $updateable = $services{$s}{'updateable'};
my $update = $services{$s}{'update'};
foreach my $h (sort keys %config) {
next if $config{$h}{'protocol'} ne lc($s);
$examined{$h} = 1;
# we only do this once per 'use' and argument combination
my $use = opt('use', $h);
my $usev6 = opt('usev6', $h);
my $arg_ip = opt('ip', $h) || '';
my $arg_ipv6 = opt('ipv6', $h) || '';
my $arg_fw = opt('fw', $h) || '';
my $arg_if = opt('if', $h) || '';
my $arg_web = opt('web', $h) || '';
my $arg_webv6 = opt('webv6', $h) || '';
my $arg_cmd = opt('cmd', $h) || '';
my $arg_cmdv6 = opt('cmdv6', $h) || '';
my $ip = "";
my $ipv6 = "";
if (exists $iplist{$use}{$arg_ip}{$arg_fw}{$arg_if}{$arg_web}{$arg_cmd}) {
$ip = $iplist{$use}{$arg_ip}{$arg_fw}{$arg_if}{$arg_web}{$arg_cmd};
} else {
$ip = get_ip($use, $h);
if (!defined $ip || !$ip) {
warning("%s: unable to determine IPv4 address with strategy use=%s", $h, $use)
if !$daemon || opt('verbose');
} elsif ($ip !~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/) {
warning("%s: malformed IPv4 address (%s)", $h, $ip);
} else {
$iplist{$use}{$arg_ip}{$arg_fw}{$arg_if}{$arg_web}{$arg_cmd} = $ip;
}
debug("IPv4 %s", define($ip, "<undefined>"));
}
$config{$h}{'wantip'} = $ip;
if (defined($usev6)) {
if (exists $ipv6list{$usev6}{$arg_ipv6}{$arg_fw}{$arg_if}{$arg_webv6}{$arg_cmdv6}) {
$ipv6 = $ipv6list{$usev6}{$arg_ipv6}{$arg_fw}{$arg_if}{$arg_webv6}{$arg_cmdv6};
} else {
$ipv6 = get_ipv6($usev6, $h);
if (!defined $ipv6 || !$ipv6) {
warning("%s: unable to determine IPv6 address with strategy usev6=%s", $h, $usev6)
if !$daemon || opt('verbose');
} elsif ($ipv6 !~ /^(((?=.*(::))(?!.*\3.+\3))\3?|([\dA-F]{1,4}(\3|:\b|$)|\2))(?4){5}((?4){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})\z/ai) {
# That little gem from http://home.deds.nl/~aeron/regex/
warning("%s: malformed IPv6 address (%s)", $h, $ipv6);
} else {
$ipv6list{$usev6}{$arg_ipv6}{$arg_fw}{$arg_if}{$arg_webv6}{$arg_cmdv6} = $ipv6;
}
debug("IPv6 %s", define($ipv6, "<undefined>"));
}
$config{$h}{'wantipv6'} = $ipv6;
}
next if !nic_updateable($h, $updateable);
push @hosts, $h;
$ips{$ip} = $h if (defined($ip));
$ipsv6{$ipv6} = $h if (defined($ipv6));
}
if (@hosts) {
$0 = sprintf("%s - updating %s", $program, join(',', @hosts));
&$update(@hosts);
runpostscript(join ' ', keys %ips, keys %ipsv6);
}
}
foreach my $h (sort keys %config) {
if (!exists $examined{$h}) {
failed("%s was not updated because protocol %s is not supported.", $h, define($config{$h}{'protocol'}, '<undefined>'));
}
}
write_cache(opt('cache'));
}
######################################################################
## unlink_pid()
######################################################################
sub unlink_pid {
if (opt('pid') && opt('daemon')) {
unlink opt('pid');
}
}