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dyndns2: Simplify response parsing

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This commit is contained in:
Richard Hansen 2024-07-13 04:01:22 -04:00
parent 60f931e7da
commit 45e3603918
1 changed files with 49 additions and 54 deletions
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103
ddclient.in
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@ -4073,61 +4073,56 @@ sub nic_dyndns2_update {
next;
}
next if !header_ok($hosts, $reply);
my @reply = split /\n/, $reply;
my $state = 'header';
for my $line (@reply) {
if ($state eq 'header') {
$state = 'body';
} elsif ($state eq 'body') {
$state = 'results' if $line eq '';
} elsif ($state =~ /^results/) {
$state = 'results2';
# bug #10: some dyndns providers does not return the IP so
# we can't use the returned IP
my ($status, $returnedips) = split / /, lc $line;
for my $h (@hosts) {
$config{$h}{'status-ipv4'} = $status if $ipv4;
$config{$h}{'status-ipv6'} = $status if $ipv6;
}
if ($status eq 'good') {
for my $h (@hosts) {
$config{$h}{'ipv4'} = $ipv4 if $ipv4;
$config{$h}{'ipv6'} = $ipv6 if $ipv6;
$config{$h}{'mtime'} = $now;
}
success("updating %s: %s: IPv4 address set to %s", $hosts, $status, $ipv4) if $ipv4;
success("updating %s: %s: IPv6 address set to %s", $hosts, $status, $ipv6) if $ipv6;
} elsif (exists $errors{$status}) {
if ($status eq 'nochg') {
warning("updating %s: %s: %s", $hosts, $status, $errors{$status});
for my $h (@hosts) {
$config{$h}{'ipv4'} = $ipv4 if $ipv4;
$config{$h}{'ipv6'} = $ipv6 if $ipv6;
$config{$h}{'mtime'} = $now;
$config{$h}{'status-ipv4'} = 'good' if $ipv4;
$config{$h}{'status-ipv6'} = 'good' if $ipv6;
}
} else {
failed("updating %s: %s: %s", $hosts, $status, $errors{$status});
}
} elsif ($status =~ /w(\d+)(.)/) {
my ($wait, $units) = ($1, lc $2);
my ($sec, $scale) = ($wait, 1);
($scale, $units) = (1, 'seconds') if $units eq 's';
($scale, $units) = (60, 'minutes') if $units eq 'm';
($scale, $units) = (60*60, 'hours') if $units eq 'h';
$sec = $wait * $scale;
for my $h (@hosts) {
$config{$h}{'wtime'} = $now + $sec;
}
warning("updating %s: %s: wait %s %s before further updates", $hosts, $status, $wait, $units);
} else {
failed("updating %s: unexpected status (%s)", $hosts, $line);
}
}
# Some services can return 200 OK even if there is an error (e.g., bad authentication,
# updates too frequent) so the body of the response must also be checked.
(my $body = $reply) =~ s/^.*?\n\n//s;
my ($line) = grep(qr/^results/, split(qr/\n/, $body));
if (!$line) {
failed("updating %s: Could not connect to %s.", $hosts, $groupcfg{'server'});
next;
}
# bug #10: some dyndns providers does not return the IP so
# we can't use the returned IP
my ($status, $returnedips) = split / /, lc $line;
for my $h (@hosts) {
$config{$h}{'status-ipv4'} = $status if $ipv4;
$config{$h}{'status-ipv6'} = $status if $ipv6;
}
if ($status eq 'good') {
for my $h (@hosts) {
$config{$h}{'ipv4'} = $ipv4 if $ipv4;
$config{$h}{'ipv6'} = $ipv6 if $ipv6;
$config{$h}{'mtime'} = $now;
}
success("updating %s: %s: IPv4 address set to %s", $hosts, $status, $ipv4) if $ipv4;
success("updating %s: %s: IPv6 address set to %s", $hosts, $status, $ipv6) if $ipv6;
} elsif (exists $errors{$status}) {
if ($status eq 'nochg') {
warning("updating %s: %s: %s", $hosts, $status, $errors{$status});
for my $h (@hosts) {
$config{$h}{'ipv4'} = $ipv4 if $ipv4;
$config{$h}{'ipv6'} = $ipv6 if $ipv6;
$config{$h}{'mtime'} = $now;
$config{$h}{'status-ipv4'} = 'good' if $ipv4;
$config{$h}{'status-ipv6'} = 'good' if $ipv6;
}
} else {
failed("updating %s: %s: %s", $hosts, $status, $errors{$status});
}
} elsif ($status =~ /w(\d+)(.)/) {
my ($wait, $units) = ($1, lc $2);
my ($sec, $scale) = ($wait, 1);
($scale, $units) = (1, 'seconds') if $units eq 's';
($scale, $units) = (60, 'minutes') if $units eq 'm';
($scale, $units) = (60*60, 'hours') if $units eq 'h';
$sec = $wait * $scale;
for my $h (@hosts) {
$config{$h}{'wtime'} = $now + $sec;
}
warning("updating %s: %s: wait %s %s before further updates", $hosts, $status, $wait, $units);
} else {
failed("updating %s: unexpected status (%s)", $hosts, $line);
}
failed("updating %s: Could not connect to %s.", $hosts, $groupcfg{'server'})
if $state ne 'results2';
}
}