Import script from MikePeraltaScripts, I guess
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commit
98ee8b8de4
293
smart-disk-status.php
Normal file
293
smart-disk-status.php
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@ -0,0 +1,293 @@
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<?php
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// Change directory to here
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$thisDir=DirName(__FILE__);
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// Make sure we're root
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$whoami=Trim(Shell_Exec("whoami"));
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if($whoami!='root'){
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die("Please run as root (Currently: $whoami)");
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}
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// First parameter should be path to config file
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$config_path=$argv[1];
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if(!File_Exists($config_path)){
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die("\nInvalid config path: {$config_path}; Current directory: ".GetCWD()."\n");
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}
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if(!Is_File($config_path)){
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die("\nConfig file ... isn't a file?: {$config_path}\n");
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}
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$config_path=RealPath($config_path);
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// Second could be a test type (optional)
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$bStartTests_short=false;
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$bStartTests_long=false;
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if(IsSet($argv[2])){
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if($argv[2]=='start-tests-short'){
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$bStartTests_short=true;
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}
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else if($argv[2]=='start-tests-long'){
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$bStartTests_long=true;
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}
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else{
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DoError("Unknown test type: {$argv[2]}");
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}
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}
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// Load config
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$config=LoadConfig($config_path);
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// Show information about each drive
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foreach($config['devices'] as $name=>$device){
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//
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$match=true;
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//
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print "\n".Str_Repeat('*',30);
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print "\n*** Entry: {$name}";
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print "\nPath={$device['path']}; Type={$device['device']}";
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//
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$device_safe=EscapeShellArg($device['device']);
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$path_safe=EscapeShellArg($device['path']);
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// If the path doesn't exist, possibly fail
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Exec("[ -e {$path_safe} ]", $output_lines, $return_code);
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if($return_code!=0){
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print "\nPath does not exist!";
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if($device['bRequired']){
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DoError("Path doesn't exist but was required: {$device['path']}");
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}
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print "\n";
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continue;
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}
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// Is this even a block device?
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Exec("[ -b {$path_safe} ]", $output_lines, $return_code);
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if($return_code!=0){
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DoError("Path doesn't seem to point to a block device?");
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continue;
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}
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// Ask smartctl for status
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$command="smartctl --all --device {$device_safe} {$path_safe}";
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$output_lines=false;
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Exec($command,$output_lines,$smart_return_code);
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$lines=Implode("\n",$output_lines);
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// Output any messages indicated by smartctl
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$messages=CheckNamedBits($smart_return_code);
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foreach($messages as $message){
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print "\nMESSAGE: {$message}";
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}
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// Test Status:
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if(Preg_Match('@^Self-test execution status.+?(?P<remainder>[0-9]+\% of test remaining)\.@smi',$lines,$match)){
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print "\n{$match['remainder']}";
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}
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else if(Preg_Match('@^Self-test execution status.+?(completed\s+without\s+error)@smi',$lines,$match)){
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//
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print "\nNo test seems to be running";
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// Start short test?
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if($bStartTests_short){
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print "; Will start short test now!\n";
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Exec("smartctl --test=short --device {$device_safe} {$path_safe}");
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continue;
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}
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// Start long test?
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else if($bStartTests_long){
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print "; Will start long test now!\n";
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Exec("smartctl --test=long --device {$device_safe} {$path_safe}");
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continue;
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}
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}
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else{
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DoError("Could not locate execution status information");
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}
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// Check for terrible states
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if(CheckBitPosition($smart_return_code,3)){
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$error_message=Str_Repeat('!',10)." ".Str_Repeat('*',10)." CATASTROPHY WARNING!!! DISK IS FAILING ".Str_Repeat('*',10)." ".Str_Repeat('!',10);
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DoError($error_message);
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}
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if(CheckBitPosition($smart_return_code,4)){
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$error_message=Str_Repeat('!',10)." ".Str_Repeat('*',10)." DISK IS IN PREFAIL STATE ".Str_Repeat('*',10)." ".Str_Repeat('!',10);
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DoError($error_message);
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}
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//
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print "\n";
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}
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//
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function LoadConfig($config_path)
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{
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//
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$config=Array(
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'global'=>Array(),
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'devices'=>Array()
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);
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// Load config
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$ini=Parse_Ini_File($config_path,true);
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if(!$ini){
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DoError("Unable to parse config file: {$config_path}");
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}
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// Booleans
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foreach($ini as $section_name=>&$section){
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foreach($section as $key=>&$value){
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//
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$v=StrToLower($value);
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switch($v)
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{
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//
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case 'true':
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case '1':
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case 'on':
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case 'yes':
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$value=true;
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break;
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//
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case 'false':
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case '0':
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case 'off':
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case 'no':
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$value=false;
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break;
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}
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}Unset($value);
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}Unset($section);
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// Pull out global config
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if(IsSet($ini['global'])){
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$config['global']=$ini['global'];
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Unset($ini['global']);
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}
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// The remainder are devices
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$config['devices']=$ini;
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return $config;
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}
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//
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function CheckNamedBits($return_code)
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{
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//
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$messages=Array();
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//
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$map=Array(
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'0'=>"Command line did not parse.",
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'1'=>"Device open failed, device did not return an IDENTIFY DEVICE structure, or device is in a low-power mode",
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'2'=>"Some SMART or other ATA command to the disk failed, or there was a checksum error in a SMART data structure",
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'3'=>"SMART status check returned \"DISK FAILING\".",
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'4'=>"We found prefail Attributes <= threshold.",
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'5'=>"SMART status check returned \"DISK OK\" but we found that some (usage or prefail) Attributes have been <= threshold at some time in the past.",
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'6'=>"The device error log contains records of errors.",
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'7'=>"The device self-test log contains records of errors. [ATA only] Failed self-tests outdated by a newer successful extended self-test are ignored."
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);
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//
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foreach($map as $bitIndex=>$message){
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if(CheckBitPosition($return_code,$bitIndex)){
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$messages[]=$message;
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}
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}
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return $messages;
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}
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//
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function CheckBitPosition($toCheck,$index)
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{
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//
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$value=Pow(2,$index);
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//
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$bIsSet=false;
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if($toCheck == ($toCheck|$value)){
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$bIsSet=true;
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}
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//
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//print "\n toCheck=$toCheck, index=$index, value=$value, IsSet=".($bIsSet?'true':'false');
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return $bIsSet;
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}
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//
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function DoError($message)
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{
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//print "\nError: {$message}";
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LogError($message);
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MailError($message);
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}
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//
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function LogError($message)
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{
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//
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$prefix="[".(BaseName(__FILE__))."] ";
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//
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$stderr = fOpen('php://stderr', 'w');
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fWrite($stderr,"\n{$message}");
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fClose($stderr);
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//
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$message_safe=EscapeShellArg("{$prefix}{$message}");
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Shell_Exec("logger {$message_safe}");
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}
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//
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function MailError($message)
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{
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//
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global $config;
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//
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$hostname=Shell_Exec("hostname");
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//
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if(!IsSet($config['global']['mailtos'])){
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return false;
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}
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$mailtos=Explode(",",$config['global']['mailtos']);
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//
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foreach($mailtos as $mailto){
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//
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$mailto=Trim($mailto);
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//
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if(Filter_Var($mailto,FILTER_VALIDATE_EMAIL)===FALSE){
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LogError("This doesn't seem to be a valid email address: {$mailto}");
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continue;
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}
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if(!mail(
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$mailto,
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"{$hostname} - smartctl error",
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$message
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))
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{
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LogError("PHP failed to send email to {$mailto}, for some reason");
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}
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}
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}
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?>
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Done
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