Import Linux account,passwd transform to LDIF format.

export_account.php

<?php
///////////////////////////////////////////////////////////
//
//  Import Linux account,passwd transform to LDIF format.
//  Ex: move account from openwebmail to Zimbra Mail System
//
//  2015/06/21 by nansenat16
//
///////////////////////////////////////////////////////////

$template=<<<EOF
dn: uid=%s,ou=people,dc=zimbra,dc=llc,dc=com,dc=tw
zimbraMailQuota: %s
zimbraPrefTimeZoneId: Asia/Taipei
description: %s
objectClass: inetOrgPerson
objectClass: zimbraAccount
objectClass: amavisAccount
zimbraId: %s
zimbraCreateTimestamp: 20150615153232Z
zimbraAccountStatus: active
zimbraMailHost: zimbra.llc.com.tw
zimbraMailTransport: lmtp:zimbra.llc.com.tw:7025
zimbraMailStatus: enabled
zimbraMailDeliveryAddress: %s@zimbra.llc.com.tw
mail: %s@zimbra.llc.com.tw
cn: %s
sn: %s
uid: %s
zimbraPasswordModifiedTime: 20150615153232Z
userPassword: %s

EOF;

$file_uid=file('/etc/passwd');
$file_pwd=file('/etc/shadow');

$skip_account=array('admin','nfsnobody');
$mail_Quota=(5000 * 1024 * 1024);//5GB

////////////////////////////////////
//
//         End Setting
//
////////////////////////////////////



$acc_list=array();
for($n=0;$n<count($file_uid);$n++){
    $uid_tmp=explode(':',$file_uid[$n]);
    //print_r($uid_tmp);

    if($uid_tmp[2]>'500'){//UID over 500
        if(in_array(str_replace('!', '', $uid_tmp[0]),$skip_account)){continue;}
        $acc_list[str_replace('!', '', $uid_tmp[0])]=array('uid'=>str_replace('!', '', $uid_tmp[0]),'memo'=>trim(iconv('big5','utf8',$uid_tmp[4])));
    }
}
//print_r($acc_list);


//print_r($file_pwd);
for($n=0;$n<count($file_pwd);$n++){
    $pwd_tmp=explode(':', $file_pwd[$n]);
    //print_r($pwd_tmp);

    if(array_key_exists($pwd_tmp[0], $acc_list)){
        $acc_list[$pwd_tmp[0]]['pwd']=$pwd_tmp[1];
        $acc_list[$pwd_tmp[0]]['uuid']=gen_uuid();
        $acc_list[$pwd_tmp[0]]['quota']=$mail_Quota;
        if(strlen($acc_list[$pwd_tmp[0]]['memo'])==0){
            $acc_list[$pwd_tmp[0]]['memo']='LDAP Import';
        }
    }
}

//print_r($acc_list);

foreach ($acc_list as $uid => $val) {
    echo sprintf($template,$uid,$val['quota'],$val['memo'],$val['uuid'],$uid,$uid,$uid,$uid,$uid,'{CRYPT}'.$val['pwd']);
    echo "\n\n";
}


function gen_uuid() {
    return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
        // 32 bits for "time_low"
        mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ),

        // 16 bits for "time_mid"
        mt_rand( 0, 0xffff ),

        // 16 bits for "time_hi_and_version",
        // four most significant bits holds version number 4
        mt_rand( 0, 0x0fff ) | 0x4000,

        // 16 bits, 8 bits for "clk_seq_hi_res",
        // 8 bits for "clk_seq_low",
        // two most significant bits holds zero and one for variant DCE1.1
        mt_rand( 0, 0x3fff ) | 0x8000,

        // 48 bits for "node"
        mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff )
    );
}

?>