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NetDiscovery.pm
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NetDiscovery.pm
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package FusionInventory::Agent::Task::NetDiscovery;
use strict;
use warnings;
use threads;
use threads::shared;
if ($threads::VERSION > 1.32){
threads->set_stack_size(20*8192);
}
use base 'FusionInventory::Agent::Task';
use Data::Dumper;
use Digest::MD5 qw(md5_hex);
use English qw(-no_match_vars);
use Net::IP;
use Time::localtime;
use UNIVERSAL::require;
use XML::TreePP;
use FusionInventory::Agent::Logger;
use FusionInventory::Agent::Tools;
use FusionInventory::Agent::Task::NetDiscovery::Dico;
use FusionInventory::Agent::XML::Query;
our $VERSION = '1.5';
sub run {
my ($self) = @_;
if (!$self->{target}->isa('FusionInventory::Agent::Target::Server')) {
$self->{logger}->debug("No server. Exiting...");
return;
}
my $response = $self->{prologresp};
if (!$response) {
$self->{logger}->debug("No server response. Exiting...");
return;
}
my $options = $response->getOptionsInfoByName('NETDISCOVERY');
if (!$options) {
$self->{logger}->debug(
"No wake on lan requested in the prolog, exiting"
);
return;
}
$self->{logger}->debug("FusionInventory NetDiscovery module ".$VERSION);
$self->{PID} =
sprintf("%04d", localtime->yday()) .
sprintf("%02d", localtime->hour()) .
sprintf("%02d", localtime->min());
$self->_initModList();
my $params = $options->{PARAM}->[0];
my $storage = $self->{target}->getStorage();
# take care of models dictionnary
my $dico = $self->_getDictionnary($options, $storage, $params->{PID});
# check discovery methods available
my $nmap_parameters;
if (can_run('nmap')) {
my ($major, $minor) = getFirstMatch(
command => 'nmap -V',
pattern => qr/Nmap version (\d+)\.(\d+)/
);
$nmap_parameters = compareVersion($major, $minor, 5, 29) ?
"-sP -PP --system-dns --max-retries 1 --max-rtt-timeout 1000ms " :
"-sP --system-dns --max-retries 1 --max-rtt-timeout 1000 " ;
}
Net::NBName->require();
if ($EVAL_ERROR) {
$self->{logger}->error("Can't load Net::NBName. Netbios detection can't be used!");
}
FusionInventory::Agent::SNMP->require();
if ($EVAL_ERROR) {
$self->{logger}->error("Can't load FusionInventory::Agent::SNMP. SNMP detection can't be used!");
}
# retrieve SNMP authentication credentials
my $credentials = $options->{AUTHENTICATION};
# manage discovery
my $iplist = {};
my $iplist2 = &share({});
my $maxIdx : shared = 0;
my $sendstart = 0;
my $startIP = q{}; # Empty string
my $nbip = 0;
my $countnb;
my $nb_ip_per_thread = 25;
my $limitip = $params->{THREADS_DISCOVERY} * $nb_ip_per_thread;
my $ip;
my $manager;
if ($params->{CORE_DISCOVERY} > 1) {
Parallel::ForkManager->require();
if ($EVAL_ERROR) {
$self->{logger}->debug("Parallel::ForkManager not installed, so only 1 core will be used...");
$params->{CORE_DISCOVERY} = 1;
} else {
$manager = Parallel::ForkManager->new($params->{CORE_DISCOVERY});
}
}
my @Thread;
for(my $p = 0; $p < $params->{CORE_DISCOVERY}; $p++) {
if ($manager) {
my $pid = $manager->start();
next if $pid;
}
my $threads_run = 0;
my $loop_action : shared = 1;
my $exit : shared = 0;
my %ThreadState : shared;
my %ThreadAction : shared;
$iplist = &share({});
my $loop_nbthreads : shared;
my $sendbylwp : shared;
my $sentxml = {};
while ($loop_action > 0) {
$countnb = 0;
$nbip = 0;
if ($threads_run == 0) {
$iplist2 = &share({});
$iplist = &share({});
}
if (ref($options->{RANGEIP}) eq "HASH"){
if ($options->{RANGEIP}->{IPSTART} eq $options->{RANGEIP}->{IPEND}) {
if ($threads_run == 0) {
$iplist->{$countnb} = &share({});
}
$iplist->{$countnb}->{IP} = $options->{RANGEIP}->{IPSTART};
$iplist->{$countnb}->{ENTITY} = $options->{RANGEIP}->{ENTITY};
$iplist2->{$countnb} = $countnb;
$countnb++;
$nbip++;
} else {
$ip = Net::IP->new($options->{RANGEIP}->{IPSTART}.' - '.$options->{RANGEIP}->{IPEND});
do {
if ($threads_run == 0) {
$iplist->{$countnb} = &share({});
}
$iplist->{$countnb}->{IP} = $ip->ip();
$iplist->{$countnb}->{ENTITY} = $options->{RANGEIP}->{ENTITY};
$iplist2->{$countnb} = $countnb;
$countnb++;
$nbip++;
if ($nbip eq $limitip) {
if ($ip->ip() ne $options->{RANGEIP}->{IPEND}) {
++$ip;
$options->{RANGEIP}->{IPSTART} = $ip->ip();
$loop_action = 1;
goto CONTINUE;
}
}
} while (++$ip);
undef $options->{RANGEIP};
}
} else {
foreach my $num (@{$options->{RANGEIP}}) {
if ($num->{IPSTART} eq $num->{IPEND}) {
if ($threads_run == 0) {
$iplist->{$countnb} = &share({});
}
$iplist->{$countnb}->{IP} = $num->{IPSTART};
$iplist->{$countnb}->{ENTITY} = $num->{ENTITY};
$iplist2->{$countnb} = $countnb;
$countnb++;
$nbip++;
} else {
if ($num->{IPSTART} ne "") {
$ip = Net::IP->new($num->{IPSTART}.' - '.$num->{IPEND});
do {
if ($threads_run == 0) {
$iplist->{$countnb} = &share({});
}
$iplist->{$countnb}->{IP} = $ip->ip();
$iplist->{$countnb}->{ENTITY} = $num->{ENTITY};
$iplist2->{$countnb} = $countnb;
$countnb++;
$nbip++;
if ($nbip eq $limitip) {
if ($ip->ip() ne $num->{IPEND}) {
++$ip;
$num->{IPSTART} = $ip->ip();
$loop_action = 1;
goto CONTINUE;
}
}
} while (++$ip);
undef $ip;
$num->{IPSTART} = q{}; # Empty string
}
}
}
}
$loop_action = 0;
CONTINUE:
$loop_nbthreads = $params->{THREADS_DISCOVERY};
for(my $j = 0 ; $j < $params->{THREADS_DISCOVERY} ; $j++) {
$ThreadState{$j} = "0";
$ThreadAction{$j} = "0";
}
#===================================
# Create Thread management others threads
#===================================
$exit = 2;
if ($threads_run == 0) {
#===================================
# Create all Threads
#===================================
my $k = 0;
for(my $j = 0; $j < $params->{THREADS_DISCOVERY}; $j++) {
$threads_run = 1;
$k++;
$Thread[$p][$j] = threads->create(
'_handleIPRange',
$self,
$p,
$j,
$credentials,
\%ThreadAction,
\%ThreadState,
$iplist,
$iplist2,
$nmap_parameters,
$dico,
$maxIdx,
$params->{PID}
)->detach();
if ($k == 4) {
sleep 1;
$k = 0;
}
}
##### Start Thread Management #####
my $Threadmanagement = threads->create(
'_manageThreads',
$self,
$loop_action,
$exit,
$loop_nbthreads,
\%ThreadAction,
\%ThreadState,
)->detach();
### END Threads Creation
}
# Send infos to server :
if ($sendstart == 0) {
$self->_sendInformations({
AGENT => {
START => '1',
AGENTVERSION => $FusionInventory::Agent::VERSION,
},
MODULEVERSION => $VERSION,
PROCESSNUMBER => $params->{PID},
});
$sendstart = 1;
}
# Send NB ips to server :
{
lock $sendbylwp;
$self->_sendInformations({
AGENT => {
NBIP => $nbip
},
PROCESSNUMBER => $params->{PID}
});
}
while($exit != 1) {
sleep 2;
foreach my $idx (1..$maxIdx) {
next if defined $sentxml->{$idx};
my $data = $storage->restore(
idx => $idx
);
$self->_sendInformations($data);
$sentxml->{$idx} = 1;
$storage->remove(
idx => $idx
);
sleep 1;
}
}
foreach my $idx (1..$maxIdx) {
next if defined $sentxml->{$idx};
my $data = $storage->restore(
idx => $idx
);
$self->_sendInformations($data);
$sentxml->{$idx} = 1;
sleep 1;
}
}
$manager->finish() if $manager;
}
# Wait for threads be terminated
$manager->wait_all_children() if $manager;
sleep 1;
# Send infos to server
$self->_sendInformations({
AGENT => {
END => '1',
},
MODULEVERSION => $VERSION,
PROCESSNUMBER => $params->{PID},
});
}
sub _getDictionnary {
my ($self, $options, $storage, $pid) = @_;
my $dico;
my $dicohash;
if (defined($options->{DICO})) {
$storage->save(
idx => 999998,
data => XMLin($options->{DICO})
);
$dicohash->{HASH} = $options->{DICOHASH};
$storage->save(
idx => 999999,
data => $dicohash
);
}
$dico = $storage->restore(
idx => 999998
);
$dicohash = $storage->restore(
idx => 999999
);
if ( (!defined($dico)) || (ref($dico) ne "HASH")) {
$dico = FusionInventory::Agent::Task::NetDiscovery::Dico::loadDico();
$storage->save(
idx => 999998,
data => $dico
);
$dicohash->{HASH} = md5_hex($dico);
$storage->save(
idx => 999999,
data => $dicohash
);
}
if (defined($options->{DICOHASH})) {
if ($dicohash->{HASH} eq $options->{DICOHASH}) {
$self->{logger}->debug("Dico is up to date.");
} else {
# Send Dico request to plugin for next time :
$self->_sendInformations({
AGENT => {
END => '1'
},
MODULEVERSION => $VERSION,
PROCESSNUMBER => $pid,
DICO => "REQUEST",
});
$self->{logger}->debug("Dico is to old (".$dicohash->{HASH}." vs ".$options->{DICOHASH}."). Exiting...");
return;
}
}
$self->{logger}->debug("Dico loaded.");
return $dico;
}
sub _handleIPRange {
my ($self, $p, $t, $credentials, $ThreadAction, $ThreadState, $iplist2, $iplist, $nmap_parameters, $dico, $maxIdx, $pid) = @_;
my $loopthread = 0;
my $loopbigthread = 0;
my $count = 0;
my $device_id;
my $data;
$self->{logger}->debug("Core $p - Thread $t created");
while ($loopbigthread != 1) {
##### WAIT ACTION #####
$loopthread = 0;
while ($loopthread != 1) {
if ($ThreadAction->{$t} == 3) { # STOP
$ThreadState->{$t} = "2";
$self->{logger}->debug("Core $p - Thread $t deleted");
return;
} elsif ($ThreadAction->{$t} != 0) { # RUN
$ThreadState->{$t} = "1";
$loopthread = 1;
}
sleep 1;
}
##### RUN ACTION #####
$loopthread = 0;
while ($loopthread != 1) {
$device_id = q{}; # Empty string
{
lock $iplist2;
if (keys %{$iplist2} != 0) {
my @keys = sort keys %{$iplist2};
$device_id = pop @keys;
delete $iplist2->{$device_id};
} else {
$loopthread = 1;
}
}
if ($loopthread != 1) {
my $datadevice = $self->_discovery_ip_threaded({
ip => $iplist->{$device_id}->{IP},
entity => $iplist->{$device_id}->{ENTITY},
credentials => $credentials,
nmap_parameters => $nmap_parameters,
dico => $dico
});
undef $iplist->{$device_id}->{IP};
undef $iplist->{$device_id}->{ENTITY};
if (keys %{$datadevice}) {
$data->{DEVICE}->[$count] = $datadevice;
$data->{MODULEVERSION} = $VERSION;
$data->{PROCESSNUMBER} = $pid;
$count++;
}
}
if (($count == 4) || (($loopthread == 1) && ($count > 0))) {
$maxIdx++;
$self->{storage}->save(
idx => $maxIdx,
data => $data
);
$count = 0;
}
}
##### CHANGE STATE #####
if ($ThreadAction->{$t} == 2) { # STOP
$ThreadState->{$t} = 2;
$ThreadAction->{$t} = 0;
$self->{logger}->debug("Core $p - Thread $t deleted");
return;
} elsif ($ThreadAction->{$t} == 1) { # PAUSE
$ThreadState->{$t} = 0;
$ThreadAction->{$t} = 0;
}
}
}
sub _manageThreads {
my ($self, $loop_action, $exit, $loop_nbthreads, $ThreadAction, $ThreadState) = @_;
my $count;
my $i;
my $loopthread;
while (1) {
if (($loop_action == 0) && ($exit == 2)) {
## Kill threads who do nothing partial ##
## Start + end working threads (do a function) ##
for($i = 0 ; $i < $loop_nbthreads ; $i++) {
$ThreadAction->{$i} = "2";
}
## Function state of working threads (if they are stopped) ##
$count = 0;
$loopthread = 0;
while ($loopthread != 1) {
for($i = 0 ; $i < $loop_nbthreads ; $i++) {
if ($ThreadState->{$i} == 2) {
$count++;
}
}
if ($count eq $loop_nbthreads) {
$loopthread = 1;
} else {
$count = 0;
}
sleep 1;
}
$exit = 1;
return;
} elsif (($loop_action == 1) && ($exit == 2)) {
## Start + pause working Threads (do a function) ##
for($i = 0 ; $i < $loop_nbthreads ; $i++) {
$ThreadAction->{$i} = "1";
}
sleep 1;
## Function state of working threads (if they are paused) ##
$count = 0;
$loopthread = 0;
while ($loopthread != 1) {
for($i = 0 ; $i < $loop_nbthreads ; $i++) {
if ($ThreadState->{$i} == 0) {
$count++;
}
}
if ($count eq $loop_nbthreads) {
$loopthread = 1;
} else {
$count = 0;
}
sleep 1;
}
$exit = 1;
$loop_action = "2";
}
sleep 1;
}
return;
}
sub _sendInformations{
my ($self, $informations) = @_;
my $config = $self->{config};
my $message = FusionInventory::Agent::XML::Query->new(
config => $self->{config},
logger => $self->{logger},
target => $self->{target},
msg => {
QUERY => 'NETDISCOVERY',
CONTENT => $informations
},
);
$self->{client}->send(message => $message);
}
sub _discovery_ip_threaded {
my ($self, $params) = @_;
if (!defined($params->{ip})) {
$self->{logger}->debug("ip address empty...");
return;
}
if ($params->{ip} !~ m/^(\d\d?\d?)\.(\d\d?\d?)\.(\d\d?\d?)\.(\d\d?\d?)/ ) {
$self->{logger}->debug("Invalid ip address...");
return;
}
my $device;
if ($params->{nmap_parameters}) {
$self->_discoverByNmap($device, $params->{ip}, $params->{nmap_parameters});
}
if ($INC{'Net/NBName.pm'}) {
$self->_discoverByNmap($device, $params->{ip})
}
if ($INC{'FusionInventory/Agent/SNMP.pm'}) {
$self->_discoverBySNMP($device, $params->{ip}, $params->{credentials}, $params->{dico}, $params->{entity});
}
if (exists($device->{MAC})) {
$device->{MAC} =~ tr/A-F/a-f/;
}
if ((exists($device->{MAC})) || (exists($device->{DNSHOSTNAME})) || (exists($device->{NETBIOSNAME}))) {
$device->{IP} = $params->{ip};
$device->{ENTITY} = $params->{entity};
$self->{logger}->debug("[$params->{ip}] ".Dumper($device));
} else {
$self->{logger}->debug("[$params->{ip}] Not found");
}
return $device;
}
sub _discoverByNmap {
my ($self, $device, $ip, $parameters) = @_;
my $nmapCmd = "nmap $parameters $ip -oX -";
my $xml = `$nmapCmd`;
$device = _parseNmap($xml);
}
sub _discoverByNetbios {
my ($self, $device, $ip) = @_;
$self->{logger}->debug("[$ip] : Netbios discovery");
my $nb = Net::NBName->new();
my $ns = $nb->node_status($ip);
return unless $ns;
for my $rr ($ns->names()) {
if ($rr->suffix() == 0 && $rr->G() eq "GROUP") {
$device->{WORKGROUP} = getSanitizedString($rr->name);
}
if ($rr->suffix() == 3 && $rr->G() eq "UNIQUE") {
$device->{USERSESSION} = getSanitizedString($rr->name);
}
if ($rr->suffix() == 0 && $rr->G() eq "UNIQUE") {
my $machine = $rr->name() unless $rr->name() =~ /^IS~/;
$device->{NETBIOSNAME} = getSanitizedString($machine);
}
}
if (not exists($device->{MAC})) {
my $NetbiosMac = $ns->mac_address();
$NetbiosMac =~ tr/-/:/;
$device->{MAC} = $NetbiosMac;
} elsif ($device->{MAC} !~ /^([0-9a-f]{2}([:]|$)){6}$/i) {
my $NetbiosMac = $ns->mac_address();
$NetbiosMac =~ tr/-/:/;
$device->{MAC} = $NetbiosMac;
}
}
sub _discoverBySNMP {
my ($self, $device, $ip, $credentials, $dico, $entity) = @_;
$self->{logger}->debug("[ip] : SNMP discovery");
foreach my $version (qw(3 2c 1)) {
foreach my $credential (@{$credentials}) {
next unless $credential->{VERSION} eq $version;
my $session = FusionInventory::Agent::SNMP->new(
version => $credential->{VERSION},
hostname => $ip,
community => $credential->{COMMUNITY},
username => $credential->{USERNAME},
authpassword => $credential->{AUTHPASSWORD},
authprotocol => $credential->{AUTHPROTOCOL},
privpassword => $credential->{PRIVPASSWORD},
privprotocol => $credential->{PRIVPROTOCOL},
translate => 1,
);
if (!defined($session->{SNMPSession}->{session})) {
} else {
#print "[".$params->{ip}."] GNE () \n";
my $description = $session->snmpGet({
oid => '1.3.6.1.2.1.1.1.0',
up => 1,
});
if ($description =~ m/No response from remote host/) {
} elsif ($description =~ m/No buffer space available/) {
} elsif ($description ne "null") {
# ***** manufacturer specifications
for my $m (@{$self->{modules}}) {
$description = $m->discovery($description, $session,$description);
}
$device->{DESCRIPTION} = $description;
my $name = $session->snmpGet({
oid => '.1.3.6.1.2.1.1.5.0',
up => 1,
});
if ($name eq "null") {
$name = q{}; # Empty string
}
# Serial Number
my ($serial, $type, $model, $mac) = $self->_verifySerial($description, $session, $dico, $ip);
if ($serial eq "Received noSuchName(2) error-status at error-index 1") {
$serial = q{}; # Empty string
}
if ($serial eq "noSuchInstance") {
$serial = q{}; # Empty string
}
if ($serial eq "noSuchObject") {
$serial = q{}; # Empty string
}
if ($serial eq "No response from remote host") {
$serial = q{}; # Empty string
}
$serial =~ s/^\s+//;
$serial =~ s/\s+$//;
$serial =~ s/(\.{2,})*//g;
$device->{SERIAL} = $serial;
$device->{MODELSNMP} = $model;
$device->{AUTHSNMP} = $credential->{ID};
$device->{TYPE} = $type;
$device->{SNMPHOSTNAME} = $name;
$device->{IP} = $ip;
if (exists($device->{MAC})) {
if ($device->{MAC} !~ /^([0-9a-f]{2}([:]|$)){6}$/i) {
$device->{MAC} = $mac;
}
} else {
$device->{MAC} = $mac;
}
$device->{ENTITY} = $entity;
$self->{logger}->debug("[$ip] ".Dumper($device));
#$session->close;
return $device;
} else {
$session->close;
}
}
}
}
}
sub _verifySerial {
my ($self, $description, $session, $dico, $ip) = @_;
if ($description eq "noSuchObject") {
return ("", 0, "", "");
}
my $oid;
my $macreturn = q{}; # Empty string
my $modelreturn = q{}; # Empty string
my $serial;
my $serialreturn = q{}; # Empty string
$description =~ s/\n//g;
$description =~ s/\r//g;
foreach my $num (@{$dico->{DEVICE}}) {
if ($num->{SYSDESCR} eq $description) {
if (defined($num->{SERIAL})) {
$oid = $num->{SERIAL};
$serial = $session->snmpGet({
oid => $oid,
up => 1,
});
}
if (defined($serial)) {
$serial =~ s/\n//g;
$serial =~ s/\r//g;
$serialreturn = $serial;
}
my $typereturn = $num->{TYPE};
if (defined($num->{MODELSNMP})) {
$modelreturn = $num->{MODELSNMP};
}
if (defined($num->{MAC})) {
$oid = $num->{MAC};
$macreturn = $session->snmpGet({
oid => $oid,
up => 0,
});
}
$oid = $num->{MACDYN};
my $Arraymacreturn = {};
$Arraymacreturn = $session->snmpWalk({
oid_start => $oid
});
while ( (undef,my $macadress) = each (%{$Arraymacreturn}) ) {
if (($macadress ne '') && ($macadress ne '0:0:0:0:0:0') && ($macadress ne '00:00:00:00:00:00')) {
if ($macreturn !~ /^([0-9a-f]{2}([:]|$)){6}$/i) {
$macreturn = $macadress;
}
}
}
# Mac of switchs
if ($macreturn !~ /^([0-9a-f]{2}([:]|$)){6}$/i) {
$oid = ".1.3.6.1.2.1.17.1.1.0";
$macreturn = $session->snmpGet({
oid => $oid,
up => 0,
});
}
if ($macreturn !~ /^([0-9a-f]{2}([:]|$)){6}$/i) {
$oid = ".1.3.6.1.2.1.2.2.1.6";
my $Arraymacreturn = {};
$Arraymacreturn = $session->snmpWalk({
oid_start => $oid
});
while ( (undef,my $macadress) = each (%{$Arraymacreturn}) ) {
if (($macadress ne '') && ($macadress ne '0:0:0:0:0:0') && ($macadress ne '00:00:00:00:00:00')) {
if ($macreturn !~ /^([0-9a-f]{2}([:]|$)){6}$/i) {
$macreturn = $macadress;
}
}
}
}
return ($serialreturn, $typereturn, $modelreturn, $macreturn);
}
}
# Mac of switchs
if ($macreturn !~ /^([0-9a-f]{2}([:]|$)){6}$/i) {
$oid = ".1.3.6.1.2.1.17.1.1.0";
$macreturn = $session->snmpGet({
oid => $oid,
up => 0,
});
}
if ($macreturn !~ /^([0-9a-f]{2}([:]|$)){6}$/i) {
$oid = ".1.3.6.1.2.1.2.2.1.6";
my $Arraymacreturn = {};
$Arraymacreturn = $session->snmpWalk({
oid_start => $oid
});
while ( (undef,my $macadress) = each (%{$Arraymacreturn}) ) {
if (($macadress ne '') && ($macadress ne '0:0:0:0:0:0') && ($macadress ne '00:00:00:00:00:00')) {
if ($macreturn !~ /^([0-9a-f]{2}([:]|$)){6}$/i) {
$macreturn = $macadress;
}
}
}
}
if ($macreturn ne '') {
return ("", 0, "", $macreturn);
}
return ("", 0, "", "");
}
sub _initModList {
my ($self) = @_;
my @modules = __PACKAGE__->getModules();
die "no inventory module found" if !@modules;
foreach my $module (@modules) {
if ($module->require()) {
push @{$self->{modules}}, $module;
} else {
$self->{logger}->info("failed to load $module");
}
}
}
sub _parseNmap {
my ($xml) = @_;
my $ret = {};
return $ret unless $xml;
my $tpp;
eval {
$tpp = XML::TreePP->new(force_array => '*');
};
return $ret unless $tpp;
my $h = $tpp->parse($xml);
return $ret unless $h;
foreach my $host (@{$h->{nmaprun}[0]{host}}) {
foreach (@{$host->{address}}) {
if ($_->{'-addrtype'} eq 'mac') {
$ret->{MAC} = $_->{'-addr'} unless $ret->{MAC};
$ret->{NETPORTVENDOR} = $_->{'-vendor'} unless $ret->{NETPORTVENDOR};
}
}
foreach (@{$host->{hostnames}}) {
my $name = eval {$_->{hostname}[0]{'-name'}};
next unless $name;
$ret->{DNSHOSTNAME} = $name;
}
}
return $ret;
}
1;
__END__
=head1 NAME
FusionInventory::Agent::Task::NetDiscovery - SNMP support for FusionInventory Agent
=head1 DESCRIPTION
This module scans your networks to get informations from devices with the SNMP protocol
=over 4
=item *
networking devices discovery within an IP range
=item *
network switches, printers and routers analysis
=item *
relation between computers / printers / switchs ports
=item *
identify unknown MAC addresses
=item *
report printer cartridge and counter status
=item *
support management of SNMP versions v1, v2, v3
=back
This plugin depends on FusionInventory for GLPI.
=head1 AUTHORS
The maintainer is David DURIEUX <d.durieux@siprossii.com>
Please read the AUTHORS, Changes and THANKS files to see who is behind
FusionInventory.
=head1 SEE ALSO
=over 4
=item
FusionInventory website: L<http://www.FusionInventory.org/>
=item
project Forge: L<http://Forge.FusionInventory.org>
=item
The source code of the agent is available on:
=over
=item
Gitorious: L<http://gitorious.org/fusioninventory>
=item
Github: L<http://github.com/fusinv/fusioninventory-agent>
=back
=item
The mailing lists:
=over
=item
L<http://lists.alioth.debian.org/mailman/listinfo/fusioninventory-devel>
=item
L<http://lists.alioth.debian.org/mailman/listinfo/fusioninventory-user>
=back
=item
IRC: #FusionInventory on FreeNode IRC Network
=back
=head1 BUGS
Please, use the mailing lists as much as possible. You can open your own bug
tickets. Patches are welcome. You can also use the bugtracker on
http://forge.fusionInventory.org
=head1 COPYRIGHT