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| Code | |||||
<? /* * account.php3 * * @(#) $Header: /cvsroot/enanet/accounts.php3,v 1.8 1998/05/11 23:19:41 mlemos Exp $ * * E na Net service * * This information is CONFIDENTIAL and PROPRIETARY * (C) Copyright Manuel Lemos. All Rights Reserved. * * $Log: accounts.php3,v $ * Revision 1.8 1998/05/11 23:19:41 mlemos * Moved the Function to crypt passwords and renamed to AccountCryptPassword. * * Revision 1.7 1998/04/01 02:14:43 mlemos * Added support to convert user names and password to lower case. * * Revision 1.6 1998/03/28 15:43:46 mlemos * Replaced md5 by crypt based password encription and lookup. * * Revision 1.5 1998/03/27 22:16:05 mlemos * Fixed missing password argument in the ModifyAccessAccount method. * * Revision 1.4 1998/03/27 20:51:56 mlemos * Made CheckPassword method consider deleted accounts marked with passwords * set to *. * * Revision 1.3 1998/03/27 05:27:26 mlemos * Moved the account lookup code to a separate method. * * Revision 1.2 1998/03/27 02:49:33 mlemos * Added methods AddAccessAccount, SaveAccessAccounts. * Added PHP error to error messages returned from method ReadAccounts method. * Removed the end of line character before parsing an account line. * Added quotes to the user name account entries. * Corrected the accesses to the accounts array in CheckPassword method. * * Revision 1.1 1998/03/26 21:40:19 mlemos * Initial revision. * * * */ Function AccountCryptPassword($password,$salt) { if($salt== "") { srand(time()); $random=rand(); $itoa64= "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; $salt=substr($itoa64,$random % 64,1).substr($itoa64,($random/64) % 64,1); } return(crypt($password,$salt)); } class access_accounts { var $password_file= ""; var $accounts=array(); var $convert_to_lower_case=0; Function ReadAccounts($password_file) { global $php_errormsg; $passwd=@File($password_file); if(GetType($passwd)!= "array") return( "can not read password file \"$password_file\" ($php_errormsg)"); for($account=0,$accounts=array();$account<count($passwd);$account++) { if(($line=strtok($passwd[$account], "\n"))== "") $line=$passwd[$account]; if(($user=strtok($line, ":"))== "") return( "invalid user in line $account of password file \"$password_file\""); if($this->convert_to_lower_case) $user=strtolower($user); $accounts[$account][ "user"]= "$user"; $accounts[$account][ "password"]=strtok( ":"); } $this->accounts=$accounts; $this->password_file=$password_file; return( ""); } Function LookupAccount($user) { if($this->convert_to_lower_case) $user=strtolower($user); for($account=0;$account<count($this->accounts);$account++) { if($this->accounts[$account][ "user"]==$user) break; } return($account); } Function CheckPassword($user,$password) { if($user== "") return( "empty user"); if($password== "") return( "empty password"); if($this->convert_to_lower_case) { $user=strtolower($user); $password=strtolower($password); } if(($account=$this->LookupAccount($user))<count($this->accounts)) { if($this->accounts[$account][ "password"]== "*") return( "account was deleted"); if($this->accounts[$account][ "password"]==AccountCryptPassword($password,substr($this->accounts[$account] [ "password"],0,2))) return( ""); else return( "password does not match"); } return( "unknown user"); } Function AddAccessAccount($user,$password) { if($this->convert_to_lower_case) { $user=strtolower($user); $password=strtolower($password); } $account=count($this->accounts); $this->accounts[$account][ "user"]=$user; $this->accounts[$account][ "password"]=AccountCryptPassword($password, ""); return($account); } Function SaveAccessAccounts() { global $php_errormsg; if($this->password_file== "") return( "it was not defined the password file"); if(($file=@fopen($this->password_file, "w"))==0) return( "can not open password file \"$password_file\" ($php_errormsg)"); for($account=0;$account<count($this->accounts);$account++) { $user=$this->accounts[$account][ "user"]; if($this->convert_to_lower_case) $user=strtolower($user); if(fputs($file,sprintf( "%s:%s\n",$user,$this->accounts[$account][ "password"]))==0) return( "can not write to password file \"$password_file\" ($php_errormsg)"); } fclose($file); return( ""); } Function DeleteAccount($user) { if($this->convert_to_lower_case) $user=strtolower($user); if(($account=$this->LookupAccount($user))<count($this->accounts)) { if($this->accounts[$account][ "password"]!= "*") { $this->accounts[$account][ "password"]= "*"; return( ""); } else return( "account was already deleted"); } return( "unknown user"); } Function ModifyAccessAccount($user,$password) { if($this->convert_to_lower_case) { $user=strtolower($user); $password=strtolower($password); } if(($account=$this->LookupAccount($user))>=count($this->accounts)) return( "unknown user"); $this->accounts[$account][ "password"]=AccountCryptPassword($password, ""); return( ""); } }; ?> | |||||
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