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marsadm: first try /usr/bin/getent before DNS lookup

This commit is contained in:
Thomas Schoebel-Theuer 2021-01-22 11:57:04 +01:00 committed by Thomas Schoebel-Theuer
parent 8a04c4cbae
commit 421995b3fb
1 changed files with 11 additions and 3 deletions
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14
userspace/marsadm
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@ -4118,11 +4118,19 @@ sub _get_ip {
return $check;
}
}
# Try /usr/bin/host
my $answer = `/usr/bin/host -t A $peer`;
# Try /usr/bin/getent first
my $answer = `/usr/bin/getent hosts '$peer'`;
chomp $answer;
my $type = "GETENT";
if (!$answer || $answer !~ m/([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/) {
# Try /usr/bin/host
$answer = `/usr/bin/host -t A '$peer'`;
chomp $answer;
my $type = "DNS";
}
if ($answer && $answer =~ m/([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/) {
my $addr = $1;
lprint_stderr "DNS query for '$peer' found IPv4 address '$addr'\n";
lprint_stderr "$type query for '$peer' found IPv4 address '$addr'\n";
$known_ips{$peer} = $addr;
return $addr;
}