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Revert "Add is_ipv4() and ipv4_match() functions"

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Broke `ip=<IPv4 address>`.

This reverts commit 0caed7ca2a.
This commit is contained in:
Richard Hansen 2020-06-28 23:57:58 -04:00
parent 1766313397
commit 8b2ede16c0
1 changed files with 4 additions and 20 deletions
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ddclient
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@ -947,7 +947,7 @@ sub update_nics {
if !$daemon || opt('verbose');
next;
}
if (!is_ipv4($ip)) {
if ($ip !~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/) {
if (!extract_ipv6($ip)) {
warning("malformed IP address (%s)", $ip);
next;
@ -1900,7 +1900,7 @@ sub check_value {
} elsif ($type eq T_IP) {
if (!extract_ipv6($value)) {
return undef if !is_ipv4($value);
return undef if $value !~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/;
}
}
return $value;
@ -2281,7 +2281,8 @@ sub get_ip {
}
if (defined($ip)) {
# no need to parse $reply
} elsif ($ip = extract_ipv4($reply)) {
} elsif ($reply =~ /^.*?\b(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\b.*/is) {
$ip = $1;
$ip = un_zero_pad($ip);
} elsif ($ip = extract_ipv6($reply)) {
$ip = un_zero_pad($ip);
@ -2296,23 +2297,6 @@ sub get_ip {
return $ip;
}
######################################################################
## is_ipv4() validates if string is valid IPv4 address and only
## a valid IPv4 address (no preceding or trailing spaces/characters)
######################################################################
sub is_ipv4 {
my ($value) = @_;
return (length($value // '') != 0) && ($value eq (extract_ipv4($value) // ''));
}
######################################################################
## extract_ipv4() extracts the first valid IPv4 address from the given string
######################################################################
sub extract_ipv4 {
(shift // '') =~ /\b((?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))\b/ai;
return $1;
}
######################################################################
## is_ipv6() validates if string is valid IPv6 address
######################################################################