!c99Shell v. 1.0 pre-release build #16!

Software: Apache/2.2.3 (CentOS). PHP/5.1.6 

uname -a: Linux mx-ll-110-164-51-230.static.3bb.co.th 2.6.18-194.el5PAE #1 SMP Fri Apr 2 15:37:44
EDT 2010 i686
 

uid=48(apache) gid=48(apache) groups=48(apache) 

Safe-mode: OFF (not secure)

/usr/libexec/webmin/cluster-webmin/   drwxr-xr-x
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Viewing file:     save_user.cgi (5.24 KB)      -rwxr-xr-x
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#!/usr/bin/perl
# save_user.cgi
# Update a webmin user on all servers

require './cluster-webmin-lib.pl';
&ReadParse();
&ui_print_header(undef, $text{'user_title2'}, "");
print "<b>",&text('user_doing2', $in{'old'}),"</b><p>\n";

@allhosts = &list_webmin_hosts();
foreach $h (@allhosts) {
    foreach $ug (@{$h->{'users'}}, @{$h->{'groups'}}) {
        $taken{$ug->{'name'}}++;
        }
    }

# Validate inputs
$in{'name'} =~ /^[A-z0-9\-\_\.\@]+$/ ||
    &error(&text('user_ename', $in{'name'}));
$in{'name'} ne $in{'old'} && $taken{$in{'name'}} &&
    &error(&text('user_etaken', $in{'name'}));
$in{'pass_def'} == 0 && $in{'pass'} =~ /:/ && &error($text{'user_ecolon'});
if ($in{'ipmode'} > 0) {
    @ips = split(/\s+/, $in{'ips'});
    }

# Setup error handler for down hosts
sub user_error
{
$user_error_msg = join("", @_);
}
&remote_error_setup(\&user_error);

# Update the user on all servers that have him
foreach $h (@allhosts) {
    foreach $u (@{$h->{'users'}}) {
        if ($u->{'name'} eq $in{'old'}) {
            push(@hosts, $h);
            last;
            }
        }
    }
@servers = &list_servers();
$p = 0;
foreach $h (@hosts) {
    local ($s) = grep { $_->{'id'} == $h->{'id'} } @servers;
    local ($rh = "READ$p", $wh = "WRITE$p");
    pipe($rh, $wh);
    if (!fork()) {
        close($rh);
        &remote_foreign_require($s->{'host'}, "acl", "acl-lib.pl");
        if ($user_error_msg) {
            # Host is down
            print $wh &serialise_variable([ 0, $user_error_msg ]);
            exit;
            }

        # Update the user
        ($user) = grep { $_->{'name'} eq $in{'old'} } @{$h->{'users'}};
        $user->{'name'} = $in{'name'};
        if (!$in{'lang_def'}) {
            $user->{'lang'} = $in{'lang'} ? $in{'lang'} : undef;
            }
        if (!$in{'theme_def'}) {
            if ($in{'theme'} eq 'webmin') {
                delete($user->{'theme'});
                }
            else {
                $user->{'theme'} = $in{'theme'};
                }
            }
        if ($in{'ipmode'} == 0) {
            delete($user->{'allow'});
            delete($user->{'deny'});
            }
        elsif ($in{'ipmode'} == 1) {
            $user->{'allow'} = join(" ", @ips);
            delete($user->{'deny'});
            }
        elsif ($in{'ipmode'} == 2) {
            delete($user->{'allow'});
            $user->{'deny'} = join(" ", @ips);
            }
        if ($in{'pass_def'} == 0) {
            $salt = chr(int(rand(26))+65).chr(int(rand(26))+65);
            $user->{'pass'} = &unix_crypt($in{'pass'}, $salt);
            $user->{'sync'} = 0;
            }
        elsif ($in{'pass_def'} == 3) {
            $user->{'pass'} = 'x';
            $user->{'sync'} = 0;
            }
        elsif ($in{'pass_def'} == 4) {
            $user->{'pass'} = '*LK*';
            $user->{'sync'} = 0;
            }
        elsif ($in{'pass_def'} == 5) {
            $user->{'pass'} = 'e';
            $user->{'sync'} = 0;
            }

        # Save module categorization setting
        $user->{'notabs'} = $in{'notabs'};

        # Work out which modules the user has
        local @selmods = ( split(/\0/, $in{'mods1'}),
                   split(/\0/, $in{'mods2'}),
                   split(/\0/, $in{'mods3'}) );
        local @mods = @{$user->{'modules'}};
        if ($in{'mods_def'} == 2) {
            @mods = @selmods;
            }
        elsif ($in{'mods_def'} == 3) {
            @mods = &unique(@mods, @selmods);
            }
        elsif ($in{'mods_def'} == 0) {
            @mods = grep { &indexof($_, @selmods) < 0 } @mods;
            }

        # Update old and new groups
        foreach $g (@{$h->{'groups'}}) {
            if (&indexof($in{'old'}, @{$g->{'members'}}) >= 0) {
                $oldgroup = $g;
                }
            }
        if ($in{'group_def'}) {
            $group = $oldgroup;
            }
        else {
            ($group) = grep { $_->{'name'} eq $in{'group'} }
                    @{$h->{'groups'}};
            if (!$group && $in{'group'}) {
                print $wh &serialise_variable(
                    [ 0, $text{'user_egroup'} ]);
                exit;
                }
            }
        if (($group ? $group->{'name'} : '') ne
            ($oldgroup ? $oldgroup->{'name'} : '')) {
            # Group has changed - update the member lists
            if ($oldgroup) {
                $oldgroup->{'members'} =
                    [ grep { $_ ne $in{'old'} }
                           @{$oldgroup->{'members'}} ];
                &remote_foreign_call($s->{'host'}, "acl",
                    "modify_group", $oldgroup->{'name'}, $oldgroup);
                }
            if ($group) {
                push(@{$group->{'members'}}, $in{'name'});
                &remote_foreign_call($s->{'host'}, "acl",
                    "modify_group", $group->{'name'}, $group);
                }
            }

        if ($oldgroup) {
            # Remove modules from the old group
            @mods = grep { &indexof($_, @{$oldgroup->{'modules'}}) < 0 }
                     @mods;
            }

        @ownmods = ( );
        if ($group) {
            # Add modules from new group
            foreach $m (@mods) {
                push(@ownmods, $m)
                    if (&indexof($m, @{$group->{'modules'}}) < 0);
                }
            @mods = &unique(@mods, @{$group->{'modules'}});
            &remote_foreign_call($s->{'host'}, "acl",
                "copy_acl_files", $group->{'name'}, $in{'old'},
                [ @{$group->{'modules'}}, "" ]);
            }

        $user->{'modules'} = \@mods;
        $user->{'ownmods'} = \@ownmods;
        &remote_foreign_call($s->{'host'}, "acl", "modify_user",
                     $in{'old'}, $user);
        &save_webmin_host($h);

        # Restart the remote webmin
        print $wh &serialise_variable([ 1 ]);
        &remote_foreign_call($s->{'host'}, "acl", "restart_miniserv");
        exit;
        }
    close($wh);
    $p++;
    }

# Read back the results
$p = 0;
foreach $h (@hosts) {
    local ($s) = grep { $_->{'id'} == $h->{'id'} } @servers;
    local $d = &server_name($s);
    local $rh = "READ$p";
    local $line = <$rh>;
    local $rv = &unserialise_variable($line);
    close($rh);

    if ($rv && $rv->[0] == 1) {
        # It worked
        print &text('user_success2', $d),"<br>\n";
        }
    else {
        # Something went wrong
        print &text('user_failed2', $d, $rv->[1]),"<br>\n";
        }
    $p++;
    }

print "<p><b>$text{'user_done'}</b><p>\n";

&remote_finished();
&ui_print_footer("", $text{'index_return'});


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