plugins/addons/logview/class_logview.inc

   1 <?php
   2
   3 require_once("tabs_log.inc");
   4 class logview extends plugin
   5 {
   6   /* Definitions */
   7   var $plHeadline= "System logs";
   8   var $plDescription= "This does something";
   9
  10   /* attribute list for save action */
  11   var $attributes= array();
  12   var $objectclasses= array();
  13   var $start= 0;
  14   var $sort= 2;
  15   var $sort_direction= "down";
  16   var $hostlist= array();
  17   var $loglevellist= array();
  18   var $tilist= array();
  19   var $fields= array("log_level", "host", "time_stamp", "message");
  20   var $last= array("log_level", "host", "time", "regex");
  21   var $range = 25;
  22   var $view_logged = FALSE;
  23
  24   function logview ($config, $dn= NULL)
  25   {
  26     /* Include config object */
  27     $this->config= $config;
  28
  29     /* Get global filter config */
  30     if (!is_global("logfilter")){
  31       $logfilter= array(
  32           "time" => "1",
  33           "log_level" => "!All",
  34           "host" => "!All",
  35           "regex" => "*");
  36
  37       register_global("logfilter", $logfilter);
  38     }
  39
  40     $this->ui = get_userinfo();
  41   }
  42
  43   function execute()
  44   {
  45     /* Call parent execute */
  46     plugin::execute();
  47
  48     /* Log view */
  49     if(!$this->view_logged){
  50       $this->view_logged = TRUE;
  51       new log("view","logview/".get_class($this),$this->dn);
  52     }
  53
  54     $logfilter= get_global("logfilter");
  55     $smarty= get_smarty();
  56     $smarty->assign("search_result", "");
  57     $smarty->assign("plug", "?plug=".validate($_GET['plug']));
  58     $smarty->assign("search_image", get_template_path('images/search.png'));
  59     $smarty->assign("time_image", get_template_path('images/time.png'));
  60     $smarty->assign("server_image", get_template_path('images/server.png'));
  61     $smarty->assign("log_image", get_template_path('images/log_warning.png'));
  62     $smarty->assign("ruleset_image", get_template_path('images/edit.png'));
  63     $smarty->assign("launchimage", get_template_path('images/launch.png'));
  64     $smarty->assign("hostlist", $this->hostlist);
  65     $smarty->assign("loglevellist", $this->loglevellist);
  66     $smarty->assign("tilist", $this->tilist);
  67     $smarty->assign("mode0", "");
  68     $smarty->assign("mode1", "");
  69     $smarty->assign("mode2", "");
  70     $smarty->assign("mode3", "");
  71
  72     /* Assign select option content */
  73     foreach( array("host", "log_level", "time", "regex") as $type){
  74       $smarty->assign("$type", $logfilter[$type]);
  75     }
  76
  77     /* Test connection to log database */
  78     if (!isset($this->config->data['SERVERS']['LOG'])){
  79       print_red (_("No LOG servers defined!"));
  80       return ($smarty->fetch (get_template_path('contents.tpl', TRUE)));
  81
  82     }elseif(!is_callable("mysql_connect")){
  83       print_red(_("There is no mysql extension available, please check your php setup."));
  84       return ($smarty->fetch (get_template_path('contents.tpl', TRUE)));
  85
  86     }else{
  87
  88       /* Cehck connection informations */
  89       $cfg= $this->config->data['SERVERS']['LOG'];
  90
  91       /* Open link to database  and check if it is valid */
  92       $link = @mysql_pconnect($cfg['SERVER'], $cfg['LOGIN'], $cfg['PASSWORD']);
  93       if ($link === FALSE){
  94         print_red(_("Can't connect to log database, no logs can be shown!"));
  95         new log("debug","logview","",array(),@mysql_error());
  96         return ($smarty->fetch (get_template_path('contents.tpl', TRUE)));
  97       }
  98
  99       /* check of log database is available */
 100       if (! @mysql_select_db("gomon")){
 101         print_red(_("Can't select log database for log generation!"));
 102         new log("debug","logview","",array(),@mysql_error());
 103         return ($smarty->fetch (get_template_path('contents.tpl', TRUE)));
 104       }
 105
 106       /* Get Host list, if still empty */
 107       if(count($this->hostlist) == 0){
 108
 109         /* Query database and check results */
 110         $query= "SELECT DISTINCT host FROM golog LIMIT 200;";
 111         @DEBUG (DEBUG_MYSQL, __LINE__, __FUNCTION__, __FILE__, $query, "Database query");
 112         $result = @mysql_query($query);
 113         if ($result === false){
 114           print_red(_("Query for log database failed!. Requesting host names failed."));
 115           new log("debug","logview","",array(),@mysql_error());
 116           return ($smarty->fetch (get_template_path('contents.tpl', TRUE)));
 117         }
 118
 119         /* Add hostnames to list */
 120         while ($line = mysql_fetch_array($result, MYSQL_ASSOC)){
 121           $this->hostlist[$line['host']]= $line['host'];
 122         }
 123         $this->hostlist['!All']= _("All");
 124         ksort($this->hostlist);
 125         $smarty->assign("hostlist", $this->hostlist);
 126       }
 127
 128       /* Get log level list */
 129       if(count($this->loglevellist) == 0){
 130
 131         /* Try to get all used log level types */
 132         $query= "SELECT DISTINCT log_level FROM golog LIMIT 200;";
 133         @DEBUG (DEBUG_MYSQL, __LINE__, __FUNCTION__, __FILE__, $query, "Database query");
 134         $result = @mysql_query($query);
 135         if ($result === false){
 136           new log("debug","logview","",array(),@mysql_error());
 137           print_red(_("Query for log database failed!"));
 138           return ($smarty->fetch (get_template_path('contents.tpl', TRUE)));
 139         }
 140
 141         /* Add each etry to log level list */
 142         while ($line = mysql_fetch_array($result, MYSQL_ASSOC)){
 143           $this->loglevellist[$line['log_level']]= $line['log_level'];
 144         }
 145         $this->loglevellist['!All']= _("All");
 146         ksort($this->loglevellist);
 147         $smarty->assign("loglevellist", $this->loglevellist);
 148       }
 149     }
 150
 151     /* Set list of available time sequences */
 152     if(count($this->tilist) == 0){
 153
 154       /* Time interval */
 155       $this->tilist= array("0" => _("one hour"), "1" => _("6 hours"),
 156           "2" => _("12 hours"), "3" => _("24 hours"),
 157           "4" => _("2 days"), "5" => _("one week"),
 158           "6" => _("2 weeks"), "7" => _("one month"));
 159       $smarty->assign("tilist", $this->tilist);
 160     }
 161
 162     $smarty->assign("regex", $logfilter['regex']);
 163
 164
 165     /* Get acls */
 166
 167     $tmp_cat_bases = $this->ui->get_module_departments("logview");
 168     $all_acls = "";
 169     foreach($tmp_cat_bases as $acl_base){
 170       $all_acls .= $this->ui->get_permissions($acl_base,"logview/logview");
 171     }
 172     if(count($tmp_cat_bases) == 0 || !preg_match("/r/",$all_acls)){
 173       $res = "<tr>
 174         <td colspan=4>
 175         "._("You have insufficient permissions to view syslog entries.")."
 176         </td>
 177         </tr>";
 178
 179       /* Show main page */
 180       $smarty->assign("range_selector", "");
 181       $smarty->assign("search_result", $res);
 182       return ($smarty->fetch (get_template_path('contents.tpl', TRUE)));
 183     }
 184
 185     /* Query stuff */
 186     $res= "";
 187     $cfg    = $this->config->data['SERVERS']['LOG'];
 188     $tmp    = set_error_handler('dummy_error_handler');
 189     $link   = @mysql_pconnect($cfg['SERVER'], $cfg['LOGIN'], $cfg['PASSWORD']);
 190     set_error_handler($tmp);
 191
 192     /* Test connection object && create up query string */
 193     if ($link === FALSE){
 194       print_red(_("Can't connect to log database, no logs can be shown!"));
 195       new log("debug","logview","",array(),@mysql_error());
 196     } else {
 197       if (! @mysql_select_db("gomon")){
 198         print_red(_("Can't select log database for log generation!"));
 199         new log("debug","logview","",array(),@mysql_error());
 200       } else {
 201
 202         /* Assemble time query */
 203         switch ($logfilter['time']){
 204           case '0':
 205             $start= date ("YmdHis", time() - 3600);
 206             break;
 207             ;;
 208           case '1':
 209             $start= date ("YmdHis", time() - 21600);
 210             break;
 211             ;;
 212           case '2':
 213             $start= date ("YmdHis", time() - 43200);
 214             break;
 215             ;;
 216           case '3':
 217             $start= date ("YmdHis", time() - 86400);
 218             break;
 219             ;;
 220           case '4':
 221             $start= date ("YmdHis", time() - 172800);
 222             break;
 223             ;;
 224           case '5':
 225             $start= date ("YmdHis", time() - 604800);
 226             break;
 227             ;;
 228           case '6':
 229             $start= date ("YmdHis", time() - 1209600);
 230             break;
 231             ;;
 232           case '7':
 233             $start= date ("YmdHis", time() - 2419200);
 234             break;
 235             ;;
 236         }
 237
 238         /* Assemble log level query */
 239         if ($logfilter['log_level'] == '!All'){
 240           $ll= "";
 241         } else {
 242           $ll= "AND log_level='".$logfilter['log_level']."'";
 243         }
 244         if ($logfilter['host'] == '!All'){
 245           $hf= "";
 246         } else {
 247           $hf= "AND host='".$logfilter['host']."'";
 248         }
 249
 250         /* Order setting */
 251         if ($this->sort_direction == "down"){
 252           $desc= "DESC";
 253           $sort_sign = "\\/";
 254         } else {
 255           $desc= "";
 256           $sort_sign="/\\";
 257         }
 258         $end= date ("YmdHis");
 259         $query_base= "  FROM
 260           golog
 261           WHERE
 262           message like '".preg_replace("/\*/","%",$logfilter['regex'])."'
 263           $ll
 264           $hf
 265           AND
 266           time_stamp <= $end AND time_stamp >= $start";
 267
 268         /* Get number of entries */
 269         $query= "SELECT COUNT(*)".$query_base.";";
 270         $result = @mysql_query($query);
 271         if(!$result){
 272           new log("debug","logview","",array(),@mysql_error());
 273         }
 274         $line= mysql_fetch_array($result, MYSQL_ASSOC);
 275         $count= $line['COUNT(*)'];
 276         if ($count > 25){
 277           $smarty->assign("range_selector", range_selector($count, $this->start, $this->range,"EntriesPerPage"));
 278         } else {
 279           $smarty->assign("range_selector", "");
 280         }
 281
 282         /* Query results */
 283         $query= "SELECT *".$query_base." ORDER BY ".$this->fields[$this->sort]." $desc LIMIT ".$this->start.",".$this->range.";";
 284         @DEBUG (DEBUG_MYSQL, __LINE__, __FUNCTION__, __FILE__, $query, "Database query");
 285         $result = @mysql_query($query);
 286         if(!$result){
 287           new log("debug","logview","",array(),@mysql_error());
 288         }
 289         /* Display results */
 290         $mod= 0;
 291
 292         /* Add entries to result str */
 293         while ($line = mysql_fetch_array($result, MYSQL_ASSOC)){
 294
 295           /* Toggle background color */
 296           if ( ($mod++) & 1){
 297             $col= "background-color: #ECECEC;";
 298           } else {
 299             $col= "background-color: #F5F5F5;";
 300           }
 301
 302           $res.=" <tr style=\"$col\">\n";
 303           $res.="   <td style=\"text-align:center\">
 304             <img alt=\"".$line['log_level']."\"
 305             src=\"".get_template_path('images/log_'.strtolower($line['log_level'])).".png\"
 306             title=\"Log level is '".$line['log_level']."'\">
 307             </td>";
 308           $res.="   <td>".
 309             $line['host']."
 310             </td>";
 311             $res.=" <td>".
 312             $line['time_stamp']."
 313             </td>";
 314           $res .= "<td width=\"100%\">".
 315             $line['message']."
 316             </td>";
 317           $res.=" </tr>\n";
 318         }
 319         mysql_close($link);
 320         $smarty->assign("mode".$this->sort, $sort_sign);
 321         $smarty->assign("host", $logfilter['host']);
 322         $smarty->assign("log_level", $logfilter['log_level']);
 323
 324         $smarty->assign("search_result", $res);
 325       }
 326     }
 327
 328     /* Show main page */
 329     return ($smarty->fetch (get_template_path('contents.tpl', TRUE)));
 330   }
 331
 332
 333   function save_object()
 334   {
 335     /* Get submitted range */
 336     if(isset($_POST['EntriesPerPage'])){
 337       if(is_numeric($_POST['EntriesPerPage'])){
 338         $this->range = $_POST['EntriesPerPage'];
 339       }
 340     }
 341
 342     /* Save data */
 343     $logfilter= get_global("logfilter");
 344
 345     /* Get actual select boxe values */
 346     $logfilter_changed = 0;
 347     foreach( array("host", "time", "log_level", "regex") as $type){
 348
 349       /* Set new value and test if value has changed */
 350       $last[$type] = $logfilter[$type];
 351       if (isset($_POST[$type])){
 352         $logfilter[$type]= $_POST[$type];
 353       }
 354
 355       if ($last[$type] != $logfilter[$type]){
 356         $logfilter_changed = 1;
 357       }
 358     }
 359
 360     /* Filter regex values */
 361     if ($logfilter['regex'] == ""){
 362       $logfilter['regex']= '%';
 363     } else {
 364       $new = preg_replace('/\*\**/', '*', $logfilter['regex']);
 365       $logfilter['regex']= $new;
 366     }
 367
 368     /* Store filter values */
 369     register_global("logfilter", $logfilter);
 370
 371     /* Set start value */
 372     if (isset($_GET['start'])){
 373       $this->start= (int)$_GET['start'];
 374     }
 375
 376     /* Reset page number if filter has changed */
 377     if ($logfilter_changed > 0){
 378       $this->start= 0;
 379     }
 380
 381     /* Adapt sorting */
 382     if (isset($_GET['sort'])){
 383       if ($this->sort == (int)$_GET['sort']){
 384         if ($this->sort_direction == "down"){
 385           $this->sort_direction= "up";
 386         } else {
 387           $this->sort_direction= "down";
 388         }
 389       }
 390       $this->sort= (int)$_GET['sort'];
 391       if ($this->sort < 0 || $this->sort > 3){
 392         $this->sort= 0;
 393       }
 394     }
 395   }
 396
 397
 398   /* Return plugin informations for acl handling
 399      #FIXME You can only read attributes within this report plugin */
 400   function plInfo()
 401   {
 402     return (array(
 403         "plShortName"   => _("Log view"),
 404         "plDescription" => _("Log view addon"),
 405         "plSelfModify"  => FALSE,
 406         "plDepends"     => array(),
 407         "plPriority"    => 0,
 408         "plSection"     => array("addon"),
 409         "plCategory"    => array("logview" => array("objectClass" => "none", "description" => _("System logs"))),
 410
 411         "plProvidedAcls" => array()
 412         ));
 413   }
 414 }
 415 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 416 ?>