#!/agl/tools/perl/bin/perl
        use strict;
	use CGI ':standard';  
               my $I_username = param('username'); 
		my $I_psswd = param('password'); 
		my $I_newpsswd = param('new_password');
		my $I_cnewpsswd = param('cnew_password');           
                    
                my $data_file = '/data/aww/cgi-bin/login.txt';  
               
open(DAT, "+>>$data_file") || die("Could not open file: $!");  
                  
                my %password;  
                while (<DAT>) {  
                  chomp;  
                  my ($k, $v) = split /\=/;  
                  $password{$k} = $v; 
		  if (($I_username eq $k) and ($password{$I_username} eq $I_psswd) and ($I_newpsswd eq $I_cnewpsswd)){
		  			print DAT "$I_username=$I_newpsswd \n";
					print "<h2>OK</h2>";   } 
						else { if($I_newpsswd ne $I_cnewpsswd){print "<center><h2>Noua parola nu se potriveste !</h2></center>\n";}
		  else {if($I_username ne $k){ print "<center><h2>Utilizatorul nu exista!</h2></center>\n";}
		  else {if($password{$I_username} ne $I_psswd){ print "<center><h2>Ai introdus parola veche gresit!</h2></center>";}
                }  }}}
		
                close(DAT);