Deleting DIR to link in another place
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@585 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f
This commit is contained in:
slerena
parent
3b5c59a731
commit
ee8853a13c
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package PandoraFMS::Config;
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##########################################################################
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# Pandora Config package
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##########################################################################
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# Copyright (c) 2004-2007 Sancho Lerena, slerena@gmail.com
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# Copyright (c) 2005-2007 Artica Soluciones Tecnologicas S.L
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; at version 2.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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##########################################################################
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use warnings;
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use Time::Local;
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use Date::Manip;
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use PandoraFMS::Tools;
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use PandoraFMS::DB;
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require Exporter;
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our @ISA = ("Exporter");
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our %EXPORT_TAGS = ( 'all' => [ qw( ) ] );
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our @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } );
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our @EXPORT = qw( pandora_help_screen
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pandora_init
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pandora_loadconfig );
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# There is no global vars, all variables (setup) passed as hash reference
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# version: Defines actual version of Pandora Server for this module only
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my $pandora_version = "1.3-dev";
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my $pandora_build="PS070731";
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our $VERSION = $pandora_version." ".$pandora_build;
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# Setup hash
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my %pa_config;
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# Public functions
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##########################################################################
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# SUB pandora_help_screen()
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# Show a help screen an exits
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##########################################################################
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sub help_screen {
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printf "\n\nSyntax: \n pandora_xxxxxxx.pl <fullpathname to PANDORA HOME directory> [ options ] \n\n";
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printf "Following options are optional : \n";
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printf " -v : Verbose mode activated, give more information in logfile \n";
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printf " -d : Debug mode activated, give extensive information in logfile \n";
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printf " -D : Daemon mode (runs in backgroup)\n";
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printf " -h : This screen, show a little help screen \n";
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printf " \n";
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exit;
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}
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##########################################################################
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# SUB pandora_init ( %pandora_cfg )
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# Makes the initial parameter parsing, initializing and error checking
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##########################################################################
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sub pandora_init {
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my $pa_config = $_[0];
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my $init_string = $_[1];
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printf "\n$init_string $pandora_version Build $pandora_build Copyright (c) 2004-2007 ArticaST\n";
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printf "This program is Free Software, licensed under the terms of GPL License v2.\n";
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printf "You can download latest versions and documentation at http://pandora.sourceforge.net. \n\n";
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# Check we are running GNU/Linux
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die "[ERROR] This isn't GNU/Linux. Pandora FMS Servers are only OFFICIALLY supported in GNU/Linux.\nContact us if you require assistance running Pandora FMS Server in other OS.\n\n" unless ($^O =~ m/linux/i);
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# Load config file from command line
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if ($#ARGV == -1 ){
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print "I Need at least one parameter: Complete path to Pandora FMS Server HOME Directory. \n";
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help_screen;
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exit;
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}
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$pa_config->{"verbosity"}=1; # Verbose 1 by default
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$pa_config->{"daemon"}=0; # Daemon 0 by default
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# If there are not valid parameters
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my $parametro;
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my $ltotal=$#ARGV; my $ax;
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for ($ax=0;$ax<=$ltotal;$ax++){
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$parametro = $ARGV[$ax];
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if ($parametro =~ m/-h\z/i ) { help_screen(); }
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elsif ($parametro =~ m/-help\z/i ) { help_screen(); }
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elsif ($parametro =~ m/-help\z/i ) { help_screen(); }
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elsif ($parametro =~ m/-v\z/i) { $pa_config->{"verbosity"}=5; }
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elsif ($parametro =~ m/-d\z/) { $pa_config->{"verbosity"}=10; }
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elsif ($parametro =~ m/-D\z/) { $pa_config->{"daemon"}=1; }
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else { ($pa_config->{"pandora_path"} = $parametro); }
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}
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if ($pa_config->{"pandora_path"} eq ""){
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print "I Need at least one parameter: Complete path to Pandora FMS HOME Directory. \n";
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exit;
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}
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}
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##########################################################################
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# Read external configuration file
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##########################################################################
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sub pandora_loadconfig {
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my $pa_config = $_[0];
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my $opmode = $_[1]; # 0 dataserver, 1 network server, 2 snmp console, 3 recon server
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my $archivo_cfg = $pa_config->{'pandora_path'}."/conf/pandora_server.conf";
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my $buffer_line;
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my @command_line;
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my $tbuf;
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# Default values
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$pa_config->{'version'} = $pandora_version;
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$pa_config->{'build'} = $pandora_build;
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$pa_config->{"dbuser"} ="pandora";
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$pa_config->{"dbpass"} = "pandora";
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$pa_config->{"dbhost"} = "localhost";
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$pa_config->{"dbname"} = "pandora";
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$pa_config->{"basepath"}=$pa_config->{'pandora_path'}; # Compatibility with Pandora 1.1
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$pa_config->{"incomingdir"}=$pa_config->{'pandora_path'}."/data_in";
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$pa_config->{"server_threshold"}=30;
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$pa_config->{"alert_threshold"}=60;
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$pa_config->{"logfile"}=$pa_config->{'pandora_path'}."/log/pandora_server.log";
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$pa_config->{"errorlogfile"}=$pa_config->{'pandora_path'}."/log/pandora_server.error";
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$pa_config->{"networktimeout"}=15; # By default, not in config file yet
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$pa_config->{"pandora_master"}=1; # on by default
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$pa_config->{"pandora_check"}=1; # on by default
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$pa_config->{"snmpconsole"}=0; # off by default
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$pa_config->{"version"}=$pandora_version;
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$pa_config->{"build"}=$pandora_build;
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$pa_config->{"servername"}=`hostname`;
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$pa_config->{"servername"}=~ s/\s//g; # Replace ' ' chars
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$pa_config->{"networkserver"}=0;
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$pa_config->{"dataserver"}=0;
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$pa_config->{"reconserver"}=0;
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$pa_config->{"servermode"}="";
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$pa_config->{'pandora_snmp_logfile'}="/var/log/pandora/pandora_snmptrap.log";
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$pa_config->{"network_threads"}=5; # Fixed default
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$pa_config->{"keepalive"}=60; # 60 Seconds initially for server keepalive
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$pa_config->{"keepalive_orig"} = $pa_config->{"keepalive"};
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# Check for UID0
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if ($> == 0){
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printf " [W] It is not a good idea running Pandora FMS Server as root user, please DON'T DO IT!\n";
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}
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# Check for file
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if ( ! -e $archivo_cfg ) {
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printf "\n[ERROR] Cannot open configuration file at $archivo_cfg. \n";
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printf " Please specify a valid Pandora FMS Home Directory in command line. \n";
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exit 1;
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}
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# Collect items from config file and put in an array
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open (CFG, "< $archivo_cfg");
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while (<CFG>){
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$buffer_line = $_;
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if ($buffer_line =~ /^[a-zA-Z]/){ # begins with letters
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if ($buffer_line =~ m/([\w\-\_\.]+)\s([0-9\w\-\_\.\/\?\&\=\)\(\_\-\!\*\@\#\%\$\~\"\']+)/){
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push @command_line,$buffer_line;
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}
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}
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}
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close (CFG);
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# Process this array with commandline like options
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# Process input parameters
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my @args = @command_line;
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my $parametro;
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my $ltotal=$#args;
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my $ax;
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# Has read setup file ok ?
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if ( $ltotal == 0 ) {
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print "[ERROR] No valid setup tokens readed in $archivo_cfg ";
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exit;
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}
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for ($ax=0;$ax<=$ltotal;$ax++){
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$parametro = $args[$ax];
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if ($parametro =~ m/^incomingdir\s(.*)/i) {
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$pa_config->{"incomingdir"} = $1;
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$tbuf= $1;
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if ($tbuf =~ m/^\.(.*)/){
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$pa_config->{"incomingdir"} =$pa_config->{"basepath"}.$1;
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} else {
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$pa_config->{"incomingdir"} = $tbuf;
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}
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}
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elsif ($parametro =~ m/^log_file\s(.*)/i) {
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$tbuf= $1;
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if ($tbuf =~ m/^\.(.*)/){
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$pa_config->{"logfile"} = $pa_config->{"basepath"}.$1;
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} else {
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$pa_config->{"logfile"} = $tbuf;
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}
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}
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elsif ($parametro =~ m/^errorlog_file\s(.*)/i) {
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$tbuf= $1;
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if ($tbuf =~ m/^\.(.*)/){
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$pa_config->{"errorlogfile"} = $pa_config->{"basepath"}.$1;
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} else {
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$pa_config->{"errorlogfile"} = $tbuf;
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}
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}
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elsif ($parametro =~ m/^pandora_snmp_logfile\s(.*)/i) { $pa_config->{'pandora_snmp_logfile'}= $1; }
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elsif ($parametro =~ m/^dbname\s(.*)/i) { $pa_config->{'dbname'}= $1; }
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elsif ($parametro =~ m/^dbuser\s(.*)/i) { $pa_config->{'dbuser'}= $1; }
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elsif ($parametro =~ m/^dbpass\s(.*)/i) { $pa_config->{'dbpass'}= $1; }
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elsif ($parametro =~ m/^dbhost\s(.*)/i) { $pa_config->{'dbhost'}= $1; }
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elsif ($parametro =~ m/^daemon\s([0-9]*)/i) { $pa_config->{'daemon'}= $1;}
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elsif ($parametro =~ m/^dataserver\s([0-9]*)/i) {
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$pa_config->{'dataserver'}= $1;
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}
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elsif ($parametro =~ m/^reconserver\s([0-9]*)/i) {
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$pa_config->{'reconserver'}= $1;
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}
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elsif ($parametro =~ m/^networkserver\s([0-9]*)/i) {
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$pa_config->{'networkserver'}= $1;
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}
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elsif ($parametro =~ m/^servername\s(.*)/i) { $pa_config->{'servername'}= $1; }
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elsif ($parametro =~ m/^checksum\s([0-9])/i) { $pa_config->{"pandora_check"} = $1; }
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elsif ($parametro =~ m/^master\s([0-9])/i) { $pa_config->{"pandora_master"} = $1; }
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elsif ($parametro =~ m/^snmpconsole\s([0-9])/i) {
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$pa_config->{"snmpconsole"} = $1;
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}
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elsif ($parametro =~ m/^verbosity\s([0-9]*)/i) { $pa_config->{"verbosity"} = $1; }
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elsif ($parametro =~ m/^server_threshold\s([0-9]*)/i) { $pa_config->{"server_threshold"} = $1; }
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elsif ($parametro =~ m/^alert_threshold\s([0-9]*)/i) { $pa_config->{"alert_threshold"} = $1; }
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elsif ($parametro =~ m/^network_timeout\s([0-9]*)/i) { $pa_config->{'networktimeout'}= $1; }
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elsif ($parametro =~ m/^network_threads\s([0-9]*)/i) { $pa_config->{'network_threads'}= $1; }
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elsif ($parametro =~ m/^server_keepalive\s([0-9]*)/i) { $pa_config->{"keepalive"} = $1; $pa_config->{"keepalive_orig"} = $1; }
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}
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if ( $pa_config->{"verbosity"} > 0){
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print " [*] Server basepath is ".$pa_config->{'basepath'}."\n";
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print " [*] Server logfile at ".$pa_config->{"logfile"}."\n";
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print " [*] Server errorlogfile at ".$pa_config->{"errorlogfile"}."\n";
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print " [*] Server incoming directory at ".$pa_config->{"incomingdir"}."\n";
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print " [*] Server keepalive ".$pa_config->{"keepalive"}."\n";
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print " [*] Server threshold ".$pa_config->{"server_threshold"}."\n";
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}
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# Check for valid token token values
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if (( $pa_config->{"dbuser"} eq "" ) || ( $pa_config->{"basepath"} eq "" ) || ( $pa_config->{"incomingdir"} eq "" ) || ( $pa_config->{"logfile"} eq "" ) || ( $pa_config->{"dbhost"} eq "") || ( $pa_config->{"pandora_master"} eq "") || ( $pa_config->{"dbpass"} eq "" ) ) {
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print "[ERROR] Bad Config values. Be sure that $archivo_cfg is a valid setup file. \n\n";
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exit;
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}
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if (($opmode ==0) && ($pa_config->{"dataserver"} ne 1)) {
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print " [ERROR] You must enable Dataserver in setup file to run Pandora FMS Data Server. \n\n";
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exit;
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}
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if (($opmode ==1) && ($pa_config->{"networkserver"} ne 1)) {
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print " [ERROR] You must enable NetworkServer in setup file to run Pandora FMS Network Server. \n\n";
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exit;
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}
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if (($opmode ==2) && ($pa_config->{"snmpconsole"} ne 1)) {
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print " [ERROR] You must enable SnmpConsole in setup file to run Pandora FMS SNMP Console. \n\n";
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exit;
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}
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if (($opmode ==3) && ($pa_config->{"reconserver"} ne 1)) {
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print " [ERROR] You must enable Recon server in setup file to run Pandora FMS Recon server. \n\n";
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exit;
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}
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if ($opmode == 0){
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print " [*] You are running Pandora FMS Data Server. \n";
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$parametro ="Pandora FMS Data Server";
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$pa_config->{"servermode"}="_Data";
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}
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if ($opmode == 1){
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print " [*] You are running Pandora FMS Network Server. \n";
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$parametro ="Pandora FMS Network Server";
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$pa_config->{"servermode"}="_Net";
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}
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if ($opmode == 2){
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print " [*] You are running Pandora FMS SNMP Console. \n";
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$parametro ="Pandora FMS SNMP Console";
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$pa_config->{"servermode"}="_SNMP";
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}
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if ($opmode == 3){
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print " [*] You are running Pandora FMS Recon Server. \n";
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$parametro ="Pandora FMS Recon Server";
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$pa_config->{"servermode"}="_Recon";
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}
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if ($pa_config->{"pandora_check"} == 1) {
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print " [*] MD5 Security enabled.\n";
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}
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if ($pa_config->{"pandora_master"} == 1) {
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print " [*] This server is running in MASTER mode.\n";
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}
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logger ($pa_config, "Launching $parametro $pa_config->{'version'} $pa_config->{'build'}", 0);
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my $config_options = "Logfile at ".$pa_config->{"logfile"}.", Basepath is ".$pa_config->{"basepath"}.", Checksum is ".$pa_config->{"pandora_check"}.", Master is ".$pa_config->{"pandora_master"}.", SNMP Console is ".$pa_config->{"snmpconsole"}.", Server Threshold at ".$pa_config->{"server_threshold"}." sec, verbosity at ".$pa_config->{"verbosity"}.", Alert Threshold at $pa_config->{'alert_threshold'}, ServerName is '".$pa_config->{'servername'}.$pa_config->{"servermode"}."'";
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logger ($pa_config, "Config options: $config_options");
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my $dbh;
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# Check valid Database variables and update server status
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eval {
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$dbh = DBI->connect("DBI:mysql:$pa_config->{'dbname'}:$pa_config->{'dbhost'}:3306", $pa_config->{'dbuser'}, $pa_config->{'dbpass'}, { RaiseError => 1, AutoCommit => 1 });
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pandora_updateserver ($pa_config, $pa_config->{'servername'},1, $opmode, $dbh); # Alive status
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};
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||||||
if ($@) {
|
|
||||||
|
|
||||||
logger ($pa_config, "Error connecting database in init Phase. Aborting startup.",0);
|
|
||||||
print (" [E] Error connecting database in init Phase. Aborting startup. \n\n");
|
|
||||||
print $@;
|
|
||||||
exit;
|
|
||||||
}
|
|
||||||
print " [*] Pandora FMS Server [".$pa_config->{'servername'}.$pa_config->{"servermode"}."] is running and operative \n";
|
|
||||||
$pa_config->{'server_id'} = dame_server_id ($pa_config, $pa_config->{'servername'}.$pa_config->{"servermode"}, $dbh);
|
|
||||||
|
|
||||||
# Dump all errors to errorlog
|
|
||||||
# DISABLED in DEBUGMODE
|
|
||||||
# ENABLE FOR PRODUCTION
|
|
||||||
open STDERR, ">>$pa_config->{'errorlogfile'}" or die "Can't write to Errorlog : $!";
|
|
||||||
}
|
|
||||||
|
|
||||||
# End of function declaration
|
|
||||||
# End of defined Code
|
|
||||||
|
|
||||||
1;
|
|
||||||
__END__
|
|
||||||
File diff suppressed because it is too large
Load Diff
|
|
@ -1,194 +0,0 @@
|
||||||
package PandoraFMS::Tools;
|
|
||||||
##########################################################################
|
|
||||||
# Pandora Tools Package
|
|
||||||
##########################################################################
|
|
||||||
# Copyright (c) 2004-2007 Sancho Lerena, slerena@gmail.com
|
|
||||||
# Copyright (c) 2005-2007 Artica Soluciones Tecnologicas S.L
|
|
||||||
#
|
|
||||||
#This program is free software; you can redistribute it and/or
|
|
||||||
#modify it under the terms of the GNU General Public License
|
|
||||||
#as published by the Free Software Foundation; version 2
|
|
||||||
#This program is distributed in the hope that it will be useful,
|
|
||||||
#but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
#GNU General Public License for more details.
|
|
||||||
#You should have received a copy of the GNU General Public License
|
|
||||||
#along with this program; if not, write to the Free Software
|
|
||||||
#Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
||||||
##########################################################################
|
|
||||||
|
|
||||||
use warnings;
|
|
||||||
use Time::Local;
|
|
||||||
use Date::Manip; # Needed to manipulate DateTime formats of input, output and compare
|
|
||||||
use POSIX qw(setsid);
|
|
||||||
|
|
||||||
require Exporter;
|
|
||||||
|
|
||||||
our @ISA = ("Exporter");
|
|
||||||
our %EXPORT_TAGS = ( 'all' => [ qw( ) ] );
|
|
||||||
our @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } );
|
|
||||||
our @EXPORT = qw( daemonize
|
|
||||||
logger
|
|
||||||
limpia_cadena
|
|
||||||
md5check
|
|
||||||
float_equal
|
|
||||||
sqlWrap
|
|
||||||
is_numeric
|
|
||||||
);
|
|
||||||
|
|
||||||
|
|
||||||
##########################################################################
|
|
||||||
# Sub daemonize ()
|
|
||||||
# Put program in background (for daemon mode)
|
|
||||||
##########################################################################
|
|
||||||
|
|
||||||
sub daemonize {
|
|
||||||
chdir '/tmp' or die "Can't chdir to /tmp: $!";
|
|
||||||
open STDIN, '/dev/null' or die "Can't read /dev/null: $!";
|
|
||||||
open STDOUT, '>>/dev/null' or die "Can't write to /dev/null: $!";
|
|
||||||
open STDERR, '>>/dev/null' or die "Can't write to /dev/null: $!";
|
|
||||||
defined(my $pid = fork) or die "Can't fork: $!";
|
|
||||||
exit if $pid;
|
|
||||||
setsid or die "Can't start a new session: $!";
|
|
||||||
umask 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
# -------------------------------------------+
|
|
||||||
# Pandora other General functions |
|
|
||||||
# -------------------------------------------+
|
|
||||||
|
|
||||||
##########################################################################
|
|
||||||
# SUB is_numeric
|
|
||||||
# Return TRUE if given argument is numeric
|
|
||||||
##########################################################################
|
|
||||||
|
|
||||||
sub is_numeric {
|
|
||||||
$x = $_[0];
|
|
||||||
if (!defined ($x)){
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
if ($x eq ""){
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
# Integer ?
|
|
||||||
if ($x =~ /^-?\d/) {
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
# Float ?
|
|
||||||
if ($x =~ /^-?\d*\./){
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
# If not, this thing is not a number
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
##########################################################################
|
|
||||||
# SUB md5check (param_1, param_2)
|
|
||||||
# Verify MD5 file .checksum
|
|
||||||
##########################################################################
|
|
||||||
# param_1 : Name of data file
|
|
||||||
# param_2 : Name of md5 file
|
|
||||||
|
|
||||||
sub md5check {
|
|
||||||
my $buf;
|
|
||||||
my $buf2;
|
|
||||||
my $file = $_[0];
|
|
||||||
my $md5file = $_[1];
|
|
||||||
open(FILE, $file) or return 0;
|
|
||||||
binmode(FILE);
|
|
||||||
my $md5 = Digest::MD5->new;
|
|
||||||
while (<FILE>) {
|
|
||||||
$md5->add($_);
|
|
||||||
}
|
|
||||||
close(FILE);
|
|
||||||
$buf2 = $md5->hexdigest;
|
|
||||||
open(FILE,$md5file) or return 0;
|
|
||||||
while (<FILE>) {
|
|
||||||
$buf = $_;
|
|
||||||
}
|
|
||||||
close (FILE);
|
|
||||||
$buf=uc($buf);
|
|
||||||
$buf2=uc($buf2);
|
|
||||||
if ($buf =~ /$buf2/ ) {
|
|
||||||
#print "MD5 Correct";
|
|
||||||
return 1;
|
|
||||||
} else {
|
|
||||||
#print "MD5 Incorrect";
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
##########################################################################
|
|
||||||
# SUB logger (pa_config, param_1, param_2)
|
|
||||||
# Log to file
|
|
||||||
##########################################################################
|
|
||||||
# param_1 : Data file
|
|
||||||
# param_2 : Data
|
|
||||||
|
|
||||||
sub logger {
|
|
||||||
my $pa_config = $_[0];
|
|
||||||
my $fichero = $pa_config->{"logfile"};
|
|
||||||
my $datos = $_[1];
|
|
||||||
my $verbose_level = 2; # if parameter not passed, verbosity is 5 (DEBUG)
|
|
||||||
my $param2= $_[2];
|
|
||||||
if (defined $param2){
|
|
||||||
if (is_numeric($param2)){
|
|
||||||
$verbose_level = $param2;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if ($verbose_level <= $pa_config->{"verbosity"}) {
|
|
||||||
if ($verbose_level > 0) {
|
|
||||||
$datos = "[V".$verbose_level."] ".$datos;
|
|
||||||
}
|
|
||||||
|
|
||||||
my $time_now = &UnixDate("today","%Y/%m/%d %H:%M:%S");
|
|
||||||
open (FILE, ">> $fichero") or die "[FATAL] Cannot open logfile at $fichero";
|
|
||||||
my $server_name = $pa_config->{'servername'}.$pa_config->{"servermode"};
|
|
||||||
print FILE "$time_now $server_name $datos \n";
|
|
||||||
close (FILE);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
##########################################################################
|
|
||||||
# limpia_cadena (string) - Purge a string for any forbidden characters (esc, etc)
|
|
||||||
##########################################################################
|
|
||||||
sub limpia_cadena {
|
|
||||||
my $micadena;
|
|
||||||
$micadena = $_[0];
|
|
||||||
$micadena =~ s/[^\-\:\;\.\,\_\s\a\*\=\(\)a-zA-Z0-9]/ /g;
|
|
||||||
$micadena =~ s/[\n\l\f]/ /g;
|
|
||||||
return $micadena;
|
|
||||||
}
|
|
||||||
|
|
||||||
########################################################################################
|
|
||||||
# sub sqlWrap(texto)
|
|
||||||
# Elimina comillas y caracteres problematicos y los sustituye por equivalentes
|
|
||||||
########################################################################################
|
|
||||||
|
|
||||||
sub sqlWrap {
|
|
||||||
my $toBeWrapped = shift(@_);
|
|
||||||
if (defined $toBeWrapped){
|
|
||||||
$toBeWrapped =~ s/\'/\\\'/g;
|
|
||||||
$toBeWrapped =~ s/\"/\\\'/g;
|
|
||||||
return "'".$toBeWrapped."'";
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
##########################################################################
|
|
||||||
# sub float_equal (num1, num2, decimals)
|
|
||||||
# This function make possible to compare two float numbers, using only x decimals
|
|
||||||
# in comparation.
|
|
||||||
# Taken from Perl Cookbook, O'Reilly. Thanks, guys.
|
|
||||||
##########################################################################
|
|
||||||
sub float_equal {
|
|
||||||
my ($A, $B, $dp) = @_;
|
|
||||||
return sprintf("%.${dp}g", $A) eq sprintf("%.${dp}g", $B);
|
|
||||||
}
|
|
||||||
|
|
||||||
# End of function declaration
|
|
||||||
# End of defined Code
|
|
||||||
|
|
||||||
1;
|
|
||||||
__END__
|
|
||||||
Loading…
Reference in New Issue