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add ipv6 support

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This commit is contained in:
Gerald Hansen 2016-01-18 22:31:12 +01:00
parent 027fa03895
commit dc01f09224
2 changed files with 95 additions and 65 deletions
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5
README.md
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@ -42,8 +42,9 @@ REQUIREMENTS:
- one or more accounts from one of the dynamic DNS services
- Perl 5.014 or later
(you need the IO::Socket::SSL perl library for ssl-support
and JSON::Any perl library for JSON support)
(you need the IO::Socket::SSL perl library for ssl-support,
JSON::Any perl library for JSON support and
IO::Socket:INET6 perl library for ipv6-support)
- Linux or probably any common Unix system

35
ddclient
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@ -345,7 +345,7 @@ my %variables = (
'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),
'ipv6' => 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),
@ -380,7 +380,7 @@ my %variables = (
'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),
'ipv6' => setv(T_BOOL, 0, 0, 0, 0, undef),
'ip' => setv(T_IP, 0, 1, 0, undef, undef),
'wtime' => setv(T_DELAY, 0, 1, 1, 0, interval('30s')),
'mtime' => setv(T_NUMBER, 0, 1, 0, 0, undef),
@ -729,6 +729,7 @@ my @opt = (
[ "debug", "!", "-{no}debug : print {no} debugging information" ],
[ "verbose", "!", "-{no}verbose : print {no} verbose information" ],
[ "quiet", "!", "-{no}quiet : print {no} messages for unnecessary updates" ],
[ "ipv6", "!", "-{no}ipv6 : use ipv6" ],
[ "help", "", "-help : this message" ],
[ "postscript", "", "-postscript : script to run after updating ddclient, has new IP as param" ],
@ -1048,7 +1049,7 @@ sub parse_assignment {
my ($c, $name, $value);
my ($escape, $quote) = (0, '');
if ($rest =~ /^\s*([a-z][a-z_-]*)=(.*)/i) {
if ($rest =~ /^\s*([a-z][0-9a-z_-]*)=(.*)/i) {
($name, $rest, $value) = ($1, $2, '');
while (length($c = substr($rest,0,1))) {
@ -1893,6 +1894,24 @@ EOM
import IO::Socket::SSL;
{ no warnings; $IO::Socket::SSL::DEBUG = 0; }
}
######################################################################
## load_ipv6_support
######################################################################
sub load_ipv6_support {
my $ipv6_loaded = eval {require IO::Socket::INET6};
unless ($ipv6_loaded) {
fatal(<<"EOM");
Error loading the Perl module IO::Socket::INET6 needed for ipv6 connect.
On Debian, the package libio-socket-ssl-perl must be installed.
On Red Hat, the package perl-IO-Socket-SSL must be installed.
On Alpine, the package perl-io-socket-ssl must be installed.
EOM
}
import IO::Socket::INET6;
{ no warnings; $IO::Socket::INET6::DEBUG = 0; }
}
######################################################################
## load_sha1_support
######################################################################
@ -1999,6 +2018,16 @@ sub geturl {
Timeout => opt('timeout'),
);
defined $sd or warning("cannot connect to $peer:$port socket: $@ " . IO::Socket::SSL::errstr());
} elsif ($globals{'ipv6'}) {
load_ipv6_support;
$sd = IO::Socket::INET6->new(
PeerAddr => $peer,
PeerPort => $port,
Proto => 'tcp',
MultiHomed => 1,
Timeout => opt('timeout'),
);
defined $sd or warning("cannot connect to $peer:$port socket: $@");
} else {
$sd = IO::Socket::INET->new(
PeerAddr => $peer,