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path: root/ftp_wizard/scripts/ProFtpconf.pm
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#!/usr/bin/perl

package ProFtpconf;
require "__WIZ_HOME__/common/scripts/DrakconnectConf.pm";
use MDK::Common;
use strict;
require "__WIZ_HOME__/common/scripts/Vareqval.pm";

sub	true {
    my	($val) = @_;

    $val eq "1" || $val eq "\'1\'" || $val eq "\"1\"" || 
	$val eq "true" || $val eq "\'true\'" || $val eq "\"true\"" and
	return 1;
    0;
}

sub	check_dir {
    -d ($ENV{wiz_dir}) and return 10;
    1;
}

sub	get_dir {
    while (<NEW>) { # we need 3 elements to consider section as known
	if (m/^\s*<drakwizard>/s...m/^\s*<\/drakwizard>/s ) {
	    if (m/^\s*<Anonymous\s*(.*)>/s ) {
		return $1;
	    }
	}
    }
    "";
}

my $o = DrakconnectConf->new();

sub	check {
    $> and return 1;
    $o->is_dhcp() and return 2;
    0;
}

sub	print_anonymous() { 
    print '
#<drakwizard>
<Anonymous '.$_[0].'>
  User	ftp
  Group	ftp
  UserAlias anonymous ftp
  MaxClients 10
  <Limit WRITE>
    DenyAll
  </Limit>
</Anonymous>
#</drakwizard>
';
EOF
}

sub	do_it {
    my $wiz_ftp_internal = $ENV{wiz_ftp_external} ? 1 : true $ENV{wiz_ftp_internal};
    my $wiz_ftp_external = true $ENV{wiz_ftp_external};
    my $file = "/etc/proftpd.conf";
    die "no ftp configuration file found ! warning." if (!-f $file);
    MDK::Common::cp_af($file, $file . ".orig");
    open(NEW, "< $file") or die "error while opening $file: $!";
    my $allow = "all";
    if ($wiz_ftp_internal && !$wiz_ftp_external) {
	($allow) = $o->get_from_known_dev("IP") =~ qr/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.)\d{1,3}$/;
	$allow .= " 127.0.0.1";
    }
    elsif (!$wiz_ftp_external) {
	$allow = "none";
    }
    my $file = "/etc/proftpd.conf";
    open (NEW, "< $file");
    my $exist = 0;
    while (<NEW>) { # we need 3 elements to consider section as known
	if (m/^\s*<Global>/s...m/^\s*<\/Global>/s ) {
	    if (m/^\s*<Limit LOGIN>/s...m/^\s*<\/Limit>/s ) {
		if (/^\s*(?!\#)\s*Order .*$/) {
		    $exist++;
		}
		if (/^\s*(?!\#)\s*Allow .*$/) {
		    $exist++;
		}
		if (/^\s*(?!\#)\s*Deny .*$/) {
		    $exist++;
		}
	    }
	}
    }
    close (NEW);
    if ($exist < 3) { # Odd parameters are commented if exists to then add a known section
	substInFile {
	    if (m/^\s*<Global>/s...m/^\s*<\/Global>/s ) {
		if (m/^\s*<Limit LOGIN>/s...m/^\s*<\/Limit>/s ) {
		    s/^\s*(?!\#)\s*Order .*$/\#$&\n/s;
		    s/^\s*(?!\#)\s*Allow .*$/\#$&\n/s;
		    s/^\s*(?!\#)\s*Deny .*$/\#$&\n/s;
		}
	    }
	} $file;
	open (NEW, ">> $file");
	print NEW '
#<drakwizard>
<Global>
  <Limit LOGIN>
    Order allow,deny
    Allow from '.$allow.'
    Deny from all
  </Limit>
</Global>
#</drakwizard>';
	close NEW;
    }
    else { # the known section (3 parameters ) is replaced with our needs
	substInFile {
	    if (m/^\s*<Global>/s...m/^\s*<\/Global>/s ) {
		if (m/^\s*<Limit LOGIN>/s...m/^\s*<\/Limit>/s ) {
		    if (/^\s*(?!\#)\s*Order .*$/i) {
			if (!/\s*Order\s*allow,\s*deny\s*$/) {
			    s//\#$&\n    Order allow,deny\n/;
			}
		    }
		    if (/^\s*(?!\#)\s*Allow .*$/i) {
			if (!/\s*Allow\s*from\s*$allow\s*$/) {
			    s//\#$&\n    Allow from $allow/;
			}
		    }
		    if (/^\s*(?!\#)\s*Deny .*$/i) {
			if (!/\s*Deny\s*from\s*all\s*$/) {
			    s//\#$&\n    Deny from all\n/;
			}
		    }
		}
	    }
	} $file;
    }
    system("/etc/rc.d/init.d/proftpd restart");
    10;
}
1;