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Added new filter function to snmp traps

This commit is contained in:
Arturo Gonzalez 2017-10-25 16:47:58 +02:00
parent 7bd6f5e05d
commit efd8c850a0
1 changed files with 25 additions and 13 deletions
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38
pandora_server/lib/PandoraFMS/SNMPServer.pm
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@ -345,22 +345,34 @@ sub pandora_snmptrapd {
sub matches_filter ($$$) {
my ($dbh, $pa_config, $string) = @_;
# Get filters
my @filters = get_db_rows ($dbh, 'SELECT filter FROM tsnmp_filter');
foreach my $filter (@filters) {
my $regexp = safe_output($filter->{'filter'}) ;
my $eval_result;
my @filter_unique_functions = get_db_rows ($dbh, 'SELECT DISTINCT(unified_filters_id) FROM tsnmp_filter ORDER BY unified_filters_id');
# eval protects against server down (by invalid regular expressions)
$eval_result = eval {
$string =~ m/$regexp/i ;
};
foreach my $filter_unique_func (@filter_unique_functions) {
# Get filters
my @filters = get_db_rows ($dbh, 'SELECT filter FROM tsnmp_filter WHERE unified_filters_id = ' . $filter_unique_func->{'unified_filters_id'});
if ($eval_result) {
logger($pa_config, "Trap '$string' matches filter '$regexp'. Discarding...", 10);
return 1;
}
my $eval_acum = 1;
foreach my $filter (@filters) {
my $regexp = safe_output($filter->{'filter'}) ;
my $eval_result;
# eval protects against server down (by invalid regular expressions)
$eval_result = eval {
$string =~ m/$regexp/i ;
};
if ($eval_result && $eval_acum) {
$eval_acum = 1;
}
else {
$eval_acum = 0;
last;
}
}
if ($eval_acum) {
return 1;
}
}
return 0;