Files
netdisco/lib/App/Netdisco/Worker/Plugin/Arpnip/Subnets.pm
Oliver Gorwits 9355f5c2b9 Refactored ACL support with multi-object compare
Squashed commit of the following:

commit 4081e22202693bd7c4ea00e95daad8e628c6fd5a
Author: Oliver Gorwits <oliver@cpan.org>
Date:   Mon May 29 21:02:07 2023 +0100

    large rename of check_acl* to acl_matches*

commit 3cfa284ddd24d68765c255578cc5c184afbdcd83
Author: Oliver Gorwits <oliver@cpan.org>
Date:   Fri May 19 20:39:03 2023 +0100

    update permission doc

commit 8c7bb93cc5e9fafb770f98f446e45cbd94b14894
Author: Oliver Gorwits <oliver@cpan.org>
Date:   Wed May 17 21:50:07 2023 +0100

    migrate most check_acl_only to acl_matches_only

commit c47f699f2a22f08f2f3e093ed0f24c891e6f9a82
Author: Oliver Gorwits <oliver@cpan.org>
Date:   Wed May 17 21:39:19 2023 +0100

    rename check_acl* to be acl_matches*

commit a884a22c3ab1f3262118c3a47ed8e25b0b0a7336
Author: Oliver Gorwits <oliver@cpan.org>
Date:   Sun May 14 16:50:42 2023 +0100

    update macsuck_no_deviceports to use acl_matches

commit 8c256af728721329b64d071fa529dfc844073ac6
Author: Oliver Gorwits <oliver@cpan.org>
Date:   Sun May 7 22:54:33 2023 +0100

    update hide_deviceports to use acl_matches multi @things

commit cd5d9978aba1da459be4fed4500f395df13f7784
Author: Oliver Gorwits <oliver@cpan.org>
Date:   Sun May 7 22:53:38 2023 +0100

    check_acl fix to allow all @things to offer a property before fallback to missing as empty string

commit 1a3ab9a7646e9f994f03126d45fc36e9e5a13ed5
Author: Oliver Gorwits <oliver@cpan.org>
Date:   Tue May 2 15:31:17 2023 +0100

    add ignore_deviceports to portproperties discover; improve comments

commit 51385ce89458dc939587dae902fda431719c22c9
Merge: b97c07d2 3f8ffe78
Author: Oliver Gorwits <oliver@cpan.org>
Date:   Tue May 2 15:21:48 2023 +0100

    Merge branch 'master' into og-acl_multidict

commit b97c07d237d750c1d9eb3095d8ff3908512eac2a
Author: Oliver Gorwits <oliver@cpan.org>
Date:   Sat Mar 25 14:37:53 2023 +0000

    add support for arrayref of items, and unblessed hash, to check_acl
2023-05-29 21:32:07 +01:00

75 lines
2.0 KiB
Perl

package App::Netdisco::Worker::Plugin::Arpnip::Subnets;
use Dancer ':syntax';
use App::Netdisco::Worker::Plugin;
use aliased 'App::Netdisco::Worker::Status';
use App::Netdisco::Transport::SNMP ();
use App::Netdisco::Util::Permission 'acl_matches';
use Dancer::Plugin::DBIC 'schema';
use NetAddr::IP::Lite ':lower';
use Time::HiRes 'gettimeofday';
register_worker({ phase => 'main', driver => 'snmp' }, sub {
my ($job, $workerconf) = @_;
my $device = $job->device;
my $snmp = App::Netdisco::Transport::SNMP->reader_for($device)
or return Status->defer("arpnip failed: could not SNMP connect to $device");
# get directly connected networks
my @subnets = gather_subnets($device);
# TODO: IPv6 subnets
my $now = 'to_timestamp('. (join '.', gettimeofday) .')::timestamp';
store_subnet($_, $now) for @subnets;
return Status->info(sprintf ' [%s] arpnip - processed %s Subnet entries',
$device->ip, scalar @subnets);
});
# gathers device subnets
sub gather_subnets {
my $device = shift;
my @subnets = ();
my $snmp = App::Netdisco::Transport::SNMP->reader_for($device)
or return (); # already checked!
my $ip_netmask = $snmp->ip_netmask;
foreach my $entry (keys %$ip_netmask) {
my $ip = NetAddr::IP::Lite->new($entry) or next;
my $addr = $ip->addr;
next if $addr eq '0.0.0.0';
next if acl_matches($ip, 'group:__LOOPBACK_ADDRESSES__');
next if setting('ignore_private_nets') and $ip->is_rfc1918;
my $netmask = $ip_netmask->{$addr} || $ip->bits();
next if $netmask eq '255.255.255.255' or $netmask eq '0.0.0.0';
my $cidr = NetAddr::IP::Lite->new($addr, $netmask)->network->cidr;
debug sprintf ' [%s] arpnip - found subnet %s', $device->ip, $cidr;
push @subnets, $cidr;
}
return @subnets;
}
# update subnets with new networks
sub store_subnet {
my ($subnet, $now) = @_;
schema('netdisco')->txn_do(sub {
schema('netdisco')->resultset('Subnet')->update_or_create(
{
net => $subnet,
last_discover => \$now,
},
{ for => 'update' });
});
}
true;