#!/usr/bin/perl #=========================================================================== # ezmlm-web.cgi - version 3.1.2 # ========================================================================== # All user configuration happens in the config file ``ezmlmwebrc'' # POD documentation is at the end of this file # ========================================================================== package ezmlm_web; # Modules to include use strict; use Getopt::Std; use ClearSilver; use Mail::Ezmlm; use Mail::Address; use File::Copy; use DB_File; use CGI; use IO::File; use POSIX qw(tmpnam); use Encode qw/ from_to /; # add by ooyama for char convert # These two are actually included later and are put here so we remember them. #use File::Find if ($UNSAFE_RM == 1); #use File::Copy if ($UNSAFE_RM == 0); my $q = new CGI; $q->import_names('Q'); use vars qw[$opt_c $opt_d $opt_C]; getopts('cd:C:'); # Suid stuff requires a secure path. $ENV{'PATH'} = '/bin'; # We run suid so we can't use $ENV{'HOME'} and $ENV{'USER'} to determine the # user. :( Don't alter this line unless you are _sure_ you have to. my @tmp = getpwuid($>); use vars qw[$USER]; $USER=$tmp[0]; # use strict is a good thing++ use vars qw[$HOME_DIR]; $HOME_DIR=$tmp[7]; use vars qw[$DEFAULT_OPTIONS $UNSAFE_RM $ALIAS_USER $LIST_DIR]; use vars qw[$QMAIL_BASE $PRETTY_NAMES]; use vars qw[$FILE_UPLOAD $WEBUSERS_FILE $MAIL_DOMAIN $HTML_TITLE]; use vars qw[$HTML_CSS_FILE $TEMPLATE_DIR $LANGUAGE_DIR $HTML_LANGUAGE]; # set default TEXT_ENCODE use vars qw[$TEXT_ENCODE]; $TEXT_ENCODE='us-ascii'; # by ooyama for multibyte convert support # pagedata contains the hdf tree for clearsilver # pagename refers to the template file that should be used use vars qw[$DEFAULT_HOST]; use vars qw[$pagedata $pagename $error $customError $warning $customWarning $success]; # Get user configuration stuff if(defined($opt_C)) { $opt_C =~ /^([-\w.\/]+)$/; # security check by ooyama require "$1"; # Command Line } elsif(-e "$HOME_DIR/.ezmlmwebrc") { require "$HOME_DIR/.ezmlmwebrc"; # User } elsif(-e "./ezmlmwebrc") { require "./ezmlmwebrc"; # Install } elsif(-e "/etc/ezmlm-web/ezmlmwebrc") { require "/etc/ezmlm-web/ezmlmwebrc"; # System (new style) } elsif(-e "/etc/ezmlm/ezmlmwebrc") { require "/etc/ezmlm/ezmlmwebrc"; # System (old style) } else { &fatal_error("Unable to read config file"); } # Allow suid wrapper to over-ride default list directory ... if(defined($opt_d)) { $LIST_DIR = $1 if ($opt_d =~ /^([-\@\w.\/]+)$/); } # If WEBUSERS_FILE is not defined in ezmlmwebrc (as before version 2.2), then use former default value for compatibility if (!defined($WEBUSERS_FILE)) { $WEBUSERS_FILE = $LIST_DIR . '/webusers' } # check optional stylesheet $HTML_CSS_FILE = '' unless defined($HTML_CSS_FILE); # check template directory $TEMPLATE_DIR = 'template' unless defined($TEMPLATE_DIR); if (defined($MAIL_DOMAIN) && ($MAIL_DOMAIN ne '')) { $DEFAULT_HOST = $MAIL_DOMAIN; } else { # Work out default domain name from qmail (for David Summers) open (GETHOST, "<$QMAIL_BASE/defaultdomain") || open (GETHOST, "<$QMAIL_BASE/me") || &fatal_error("Unable to read $QMAIL_BASE/me: $!"); chomp($DEFAULT_HOST = ); close GETHOST; } # Untaint form input ... &untaint; my $pagedata = load_hdf(); my $action = $q->param('action'); # check permissions unless (&check_permission_for_action) { $pagename = 'list_select'; $error = 'Forbidden'; } # This is where we decide what to do, depending on the form state and the # users chosen course of action ... # TODO: unify all these "is list param set?" checks ... elsif ($action eq '' || $action eq 'list_select') { # Default action. Present a list of available lists to the user ... $pagename = 'list_select'; } elsif ($action eq 'subscribers') { # display list (or part list) subscribers if (defined($q->param('list'))) { $pagename = 'subscribers'; } else { $pagename = 'list_select'; $error = 'ParameterMissing'; } } elsif ($action eq 'address_del') { # Delete a subscriber ... if (defined($q->param('list'))) { $success = 'DeleteAddress' if (&delete_address()); $pagename = 'subscribers'; } else { $error = 'ParameterMissing'; $pagename = 'list_select'; } } elsif ($action eq 'address_add') { # Add a subscriber ... # no selected addresses -> no error if (defined($q->param('list'))) { $success = 'AddAddress' if (&add_address()); $pagename = 'subscribers'; } else { $error = 'ParameterMissing'; $pagename = 'list_select'; } } elsif ($action eq 'list_delete_ask') { # Confirm list removal if (defined($q->param('list'))) { $pagename = 'list_delete'; } else { $pagename = 'list_select'; $error = 'ParameterMissing'; } } elsif ($action eq 'list_delete_do') { # User really wants to delete a list ... if (defined($q->param('list'))) { $success = 'DeleteList' if (&delete_list()); } else { $error = 'ParameterMissing'; } $pagename = 'list_select'; } elsif ($action eq 'list_create_ask') { # User wants to create a list ... $pagename = 'list_create'; } elsif ($action eq 'list_create_do') { # create the new list # Message if list creation is unsuccessful ... if (&create_list()) { $success = 'CreateList'; $pagename = 'subscribers'; } else { $pagename = 'list_create'; } } elsif (($action eq 'config_ask') || ($action eq 'config_do')) { # User wants to see/change the configuration ... my $subset = $q->param('config_subset'); if (defined($q->param('list')) && ($subset ne '')) { if ($subset =~ m/^RESERVED-([\w_-]*)$/) { $pagename = $1 } elsif (($subset =~ /^[\w]*$/) && (-e "$TEMPLATE_DIR/config_$subset" . ".cs")) { $pagename = 'config_' . $subset; } else { $pagename = ''; } if ($pagename ne '') { $success = 'UpdateConfig' if (($action eq 'config_do') && &update_config()); } else { $error = 'UnknownConfigPage'; warn "missing config page: $subset"; $pagename = 'list_select'; } } else { $error = 'ParameterMissing'; $pagename = 'list_select'; } } elsif ($action eq 'textfiles') { # Edit DIR/text ... if (defined($q->param('list'))) { $pagename = 'textfiles'; } else { $error = 'ParameterMissing'; $pagename = 'list_select'; } } elsif ($action eq 'textfile_edit') { # edit the content of a text file if (defined($q->param('list')) && defined($q->param('file'))) { if (! &check_filename($q->param('file'))) { $error = 'InvalidFileName'; $pagename = 'textfiles'; } else { $pagename = 'textfile_edit'; } } else { $error = 'ParameterMissing'; $pagename = 'list_select'; } } elsif ($action eq 'textfile_save') { # User wants to save a new version of something in DIR/text ... if (defined($q->param('list')) && defined($q->param('file')) && defined($q->param('content'))) { if (! &check_filename($q->param('file'))) { $error = 'InvalidFileName'; $pagename = 'textfiles'; } elsif (&save_text()) { $pagename = 'textfiles'; $success = 'SaveFile'; } else { $warning = 'SaveFile'; $pagename = 'textfile_edit'; } } else { $error = 'ParameterMissing'; if ($q->param('list')) { $pagename = 'textfiles'; } else { $pagename = 'list_select'; } } } elsif ($action eq 'textfile_reset') { # User wants to remove a customized text file (idx >= 5) ... if (defined($q->param('list')) && defined($q->param('file'))) { my $list = Mail::Ezmlm->new($LIST_DIR . '/' . $q->param('list')); if (! &check_filename($q->param('file'))) { $error = 'InvalidFileName'; $pagename = 'textfiles'; } elsif (Mail::Ezmlm->get_version() < 5) { $warning = 'RequiresIDX5'; $pagename = 'textfile_edit'; } elsif ($list->is_text_default($q->param('file'))) { $warning = 'ResetFileIsDefault'; $pagename = 'textfile_edit'; } elsif ($list->reset_text($q->param('file'))) { $success = 'ResetFile'; $pagename = 'textfiles'; } else { $warning = 'ResetFile'; $pagename = 'textfile_edit'; } } else { $error = 'ParameterMissing'; if ($q->param('list')) { $pagename = 'textfiles'; } else { $pagename = 'list_select'; } } } else { $pagename = 'list_select'; $error = 'UnknownAction'; } # read the current state (after the changes are done) &set_pagedata(); # set default action, if there is no list available and the user is # allowed to create a new one if (($action eq '') && (&webauth_create_allowed()) && ($pagedata->getValue('Data.Lists.0','') eq '')) { $pagename = 'list_create'; } # Print page and exit :) ... &output_page; exit; # ========================================================================= sub load_hdf { # initialize the data for clearsilver my $hdf = ClearSilver::HDF->new(); $hdf->readFile($LANGUAGE_DIR . '/' . $HTML_LANGUAGE . '.hdf'); &fatal_error("Template dir ($TEMPLATE_DIR) not found!") unless (-e $TEMPLATE_DIR); $hdf->setValue("TemplateDir", "$TEMPLATE_DIR/"); &fatal_error("Language data dir ($LANGUAGE_DIR) not found!") unless (-e $LANGUAGE_DIR); $hdf->setValue("LanguageDir", "$LANGUAGE_DIR/"); $hdf->setValue("ScriptName", $ENV{'SCRIPT_NAME'}); $hdf->setValue("Stylesheet", "$HTML_CSS_FILE"); $hdf->setValue("Config.PageTitle", "$HTML_TITLE"); return $hdf; } sub output_page { # Print the page $pagedata->setValue('Data.Success', "$success") if (defined($success)); $pagedata->setValue('Data.Error', "$error") if (defined($error)); $pagedata->setValue('Data.Warning', "$warning") if (defined($warning)); $pagedata->setValue('Data.CustomError', "$customError") if (defined($customError)); $pagedata->setValue('Data.CustomWarning', "$customWarning") if (defined($customWarning)); $pagedata->setValue('Data.Action', "$pagename"); my $pagefile = $TEMPLATE_DIR . "/main.cs"; &fatal_error("main template ($pagefile) not found!") unless (-e "$pagefile"); &fatal_error("sub template ($TEMPLATE_DIR/$pagename.cs) not found!") unless (-e "$TEMPLATE_DIR/$pagename.cs"); # print http header print "Content-Type: text/html; charset=utf-8\n\n"; my $cs = ClearSilver::CS->new($pagedata); $cs->parseFile($pagefile); print $cs->render(); } # --------------------------------------------------------------------------- sub set_pagedata_list_of_lists() { my (@files, $i, $num); # Read the list directory for mailing lists. return (0==0) unless (opendir DIR, $LIST_DIR); @files = sort grep !/^\./, readdir DIR; closedir DIR; $num = 0; # Check that they actually are lists and add good ones to pagedata ... foreach $i (0 .. $#files) { if ((-e "$LIST_DIR/$files[$i]/lock") && (&webauth($files[$i]))) { $pagedata->setValue("Data.Lists." . $num, "$files[$i]"); $num++; } } } # --------------------------------------------------------------------------- sub set_pagedata() { my ($hostname, $username); # read available list of lists &set_pagedata_list_of_lists(); # username and hostname # Work out if this user has a virtual host and set input accordingly ... if(-e "$QMAIL_BASE/virtualdomains") { open(VD, "<$QMAIL_BASE/virtualdomains") || warn "Can't read virtual domains file: $!"; while() { last if(($hostname) = /(.+?):$USER/); } close VD; } if(!defined($hostname)) { $username = "$USER-" if ($USER ne $ALIAS_USER); $hostname = $DEFAULT_HOST; } $pagedata->setValue("Data.UserName", "$username"); $pagedata->setValue("Data.HostName", "$hostname"); # modules # TODO: someone should test, if the mysql support works $pagedata->setValue("Data.Modules.MySQL", ($Mail::Ezmlm::MYSQL_BASE)? 1 : 0); # permissions $pagedata->setValue("Data.Permissions.Create", (&webauth_create_allowed)? 1 : 0 ); $pagedata->setValue("Data.Permissions.FileUpload", ($FILE_UPLOAD)? 1 : 0); # ezmlm-idx v5.0 stuff $pagedata->setValue('Data.areDefaultTextsAvailable', (Mail::Ezmlm->get_version() >= 5)? 1 : 0); # get available languages for all lists # no results for ezmlm-idx < 5.0 my $i = 0; my $item; foreach $item (sort Mail::Ezmlm->get_available_languages()) { $pagedata->setValue("Data.AvailableLanguages." . $i, $item); $i++; } # display webuser textfield? $pagedata->setValue("Data.WebUser.show", (-e "$WEBUSERS_FILE")? 1 : 0); # default username for webuser file $pagedata->setValue("Data.WebUser.UserName", $ENV{'REMOTE_USER'}||'ALL'); # list specific configuration if ($q->param('list') ne '' ) { &set_pagedata4list(&get_list_part()); } else { &set_pagedata4options($DEFAULT_OPTIONS); } } # --------------------------------------------------------------------------- sub set_pagedata4list { my $part_type = shift; my ($list, $listname, $webusers); my ($i, $item, @files); my ($address, $addr_name, %pretty); $listname = $q->param('list'); if (! -e "$LIST_DIR/$listname/lock" ) { $warning = 'ListDoesNotExist' if ($warning eq ''); return; } # Work out the address of this list ... $list = new Mail::Ezmlm("$LIST_DIR/$listname"); $pagedata->setValue("Data.List.Name", "$listname"); $pagedata->setValue("Data.List.Address", &this_listaddress); &set_pagedata4part_list($part_type) if ($part_type ne ''); $i = 0; tie %pretty, "DB_File", "$LIST_DIR/$listname/webnames" if ($PRETTY_NAMES); foreach $address (sort $list->subscribers($part_type)) { if ($address ne '') { $pagedata->setValue("Data.List.Subscribers." . $i . '.address', "$address"); $addr_name = ($PRETTY_NAMES)? $pretty{$address} : ''; $pagedata->setValue("Data.List.Subscribers." . $i . '.name', $addr_name); } $i++; } untie %pretty if ($PRETTY_NAMES); # Get the contents of some important files $item = $list->getpart('prefix'); $pagedata->setValue("Data.List.Prefix", "$item"); $item = $list->getpart('headeradd'); $pagedata->setValue("Data.List.HeaderAdd", "$item"); $item = $list->getpart('headerremove'); $pagedata->setValue("Data.List.HeaderRemove", "$item"); $item = $list->getpart('mimeremove'); $pagedata->setValue("Data.List.MimeRemove", "$item"); $item = $list->getpart('mimereject'); $pagedata->setValue("Data.List.MimeReject", "$item"); $item = $list->get_text_content('trailer'); $pagedata->setValue("Data.List.TrailingText", "$item"); # read message size limits $list->getpart('msgsize') =~ m/^\s*(\d+)\s*:\s*(\d+)\s*$/; $pagedata->setValue("Data.List.MsgSize.Max", "$1"); $pagedata->setValue("Data.List.MsgSize.Min", "$2"); # TODO: this is definitely ugly - create a new sub! if(open(WEBUSER, "<$WEBUSERS_FILE")) { while() { last if (($webusers) = m{^$listname\s*\:\s*(.+)$}); } close WEBUSER; } # set default if there was no list definition $webusers ||= $ENV{'REMOTE_USER'} || 'ALL'; $pagedata->setValue("Data.List.WebUsers", "$webusers"); # get the names of the textfiles of this list { @files = sort $list->get_available_text_files(); $i = 0; foreach $item (@files) { if ($list->is_text_default($item)) { $pagedata->setValue('Data.List.DefaultFiles.' . $i , "$item"); } else { $pagedata->setValue('Data.List.CustomizedFiles.' . $i , "$item"); } $i++; } # text file specified? if (($q->param('file') ne '') && ($q->param('file') =~ m/^[\w-]*$/)) { my ($content); $content = $list->get_text_content($q->param('file')); from_to($content,$TEXT_ENCODE,'utf8'); # by ooyama for multibyte $pagedata->setValue("Data.List.File.Name", $q->param('file')); $pagedata->setValue("Data.List.File.Content", "$content"); $pagedata->setValue("Data.List.File.isDefault", $list->is_text_default($q->param('file')) ? 1 : 0); } } # get available languages for this list # no result for ezmlm-idx < 5 $i = 0; foreach $item (sort $list->get_available_languages()) { $pagedata->setValue("Data.List.AvailableLanguages." . $i, $item); $i++; } # charset of the list if (Mail::Ezmlm->get_version() >= 5) { my $charset = $list->get_charset(); $charset =~ s/^#.*$//m; $pagedata->setValue('Data.List.CharSet', "$charset"); } $pagedata->setValue('Data.List.Language', $list->get_lang()); &set_pagedata4options($list->getconfig); } # --------------------------------------------------------------------------- sub set_pagedata4options { my($options) = shift; my($i, $list, $key, $state, $value, $dir_of_list); $dir_of_list = $LIST_DIR . '/' . $q->param('list'); $list = new Mail::Ezmlm("$LIST_DIR/" . $q->param('list')); $i = 0; $key = lc(substr($options,$i,1)); # parse the first part of the options string while ($key =~ m/\w/) { # scan the first part of the options string for lower case letters $state = ($options =~ /^\w*$key\w*\s*/); $pagedata->setValue("Data.List.Options." . $key , ($state)? 1 : 0); $i++; $key = lc(substr($options,$i,1)); } # the options "tpxmsr" are used to create a default value # if they are unset, the next ezmlm-make will remove the appropriate files # but: these files are used, if they exist - regardless of the flag # we will look for the files, if someone created them without ezmlm-make # this is easier for users, as the options now represent the current # behaviour of the list and not the configured flag value # this is especially necessary for "trailer", as this file can be created # via ezmlm-web without touching the flag $pagedata->setValue("Data.List.Options.t" , 1) if (-e "$dir_of_list/trailer"); $pagedata->setValue("Data.List.Options.f" , 1) if (-e "$dir_of_list/prefix"); $pagedata->setValue("Data.List.Options.x" , 1) if ((-e "$dir_of_list/mimeremove") || (-e "$dir_of_list/mimereject")); $pagedata->setValue("Data.List.Options.m" , 1) if (-e "$dir_of_list/modpost"); $pagedata->setValue("Data.List.Options.s" , 1) if (-e "$dir_of_list/modsub"); $pagedata->setValue("Data.List.Options.r" , 1) if (-e "$dir_of_list/remote"); for ($i=0; $i<=9; $i++) { unless (($i eq 1) || ($i eq 2)) { $state = ($options =~ /\s-$i (?:'(.+?)')/); unless ($state) { # set default values if ($i eq 0) { $value = 'mainlist@' . $DEFAULT_HOST; } elsif ($i eq 3) { $value = 'from_address@domain.org'; } elsif ($i eq 4) { $value = '-t24 -m30 -k64'; } elsif ($i eq 5) { $value = 'owner_address@domain.org'; } elsif ($i eq 6) { $value = 'host:port:user:password:database:table'; } elsif (($i >= 7) && ($i <= 9)) { $value = "$dir_of_list/mod"; } } else { # use the configured value (extracted by the pattern matching for 'state') $value = $1; } $pagedata->setValue("Data.List.Settings." . $i . ".value", $value); $pagedata->setValue("Data.List.Settings." . $i . ".state", $state ? 1 : 0); } } } # --------------------------------------------------------------------------- sub check_filename() { my $filename = shift; return ($filename =~ m/[^\w-]/) ? (1==0) : (0==0); } # --------------------------------------------------------------------------- sub get_list_part # return the name of the part list (deny, allow, mod, digest or '') { $q->param('part') =~ m/^(allow|deny|digest|mod)$/; return $1; } # --------------------------------------------------------------------------- sub delete_list { # Delete a list ... # Fixes a bug from the previous version ... when the .qmail file has a # different name to the list. We use outlocal to handle vhosts ... my ($list, $listaddress, $listadd); $list = new Mail::Ezmlm("$LIST_DIR/" . $q->param('list')); if ($listadd = $list->getpart('outlocal')) { chomp($listadd); } else { $listadd = $q->param('list'); } $listaddress = $1 if ($listadd =~ /-?(\w+)$/); if ($UNSAFE_RM == 0) { # This doesn't actually delete anything ... It just moves them so that # they don't show up. That way they can always be recovered by a helpful # sysadmin should he/she be in the mood :) my $SAFE_DIR = "$LIST_DIR/_deleted_lists"; mkdir "$SAFE_DIR", 0700 if (! -e "$SAFE_DIR"); # look for an unused directory name my $i = 0; while (-e "$SAFE_DIR/" . $q->param('list') . "-$i") { $i++; } $SAFE_DIR .= '/' . $q->param('list') . "-$i"; my ($oldfile); $oldfile = "$LIST_DIR/" . $q->param('list'); unless (move($oldfile, $SAFE_DIR)) { $warning = 'SafeRemoveRenameDirFailed'; return (1==0); } unless (opendir(DIR, "$HOME_DIR")) { $warning = 'DotQmailDirAccessDenied'; return (1==0); } my @files = map { "$HOME_DIR/$1" if m{^(\.qmail.+)$} } grep { /^\.qmail-$listaddress(|-default|-owner|-return-default|-reject-default|-accept-default|-confirm-default|-discard-default|-digest-owner|-digest|-digest-return-default)$/ } readdir DIR; closedir DIR; foreach (@files) { unless (move($_, "$SAFE_DIR")) { $warning = 'SafeRemoveMoveDotQmailFailed'; return (1==0); } } warn "List '$oldfile' moved (deleted)"; } else { # This, however, does DELETE the list. I don't like the idea, but I was # asked to include support for it so ... unless (rmtree("$LIST_DIR/" . $q->param('list'))) { $warning = 'UnsafeRemoveListDirFailed'; return (1==0); } opendir(DIR, "$HOME_DIR") or &fatal_error("Unable to get directory listing: $!"); my @files = map { "$HOME_DIR/$1" if m{^(\.qmail.+)$} } grep { /^\.qmail-$listaddress/ } readdir DIR; closedir DIR; if (unlink(@files) <= 0) { $warning = 'UnsafeRemoveDotQmailFailed'; return (1==0); } warn "List '$list->thislist()' deleted"; } $q->param(-name=>'list', -values=>''); } # ------------------------------------------------------------------------ sub untaint { $DEFAULT_HOST = $1 if $DEFAULT_HOST =~ /^([\w\d\.-]+)$/; # Go through all the CGI input and make sure it is not tainted. Log any # tainted data that we come accross ... See the perlsec(1) man page ... my (@params, $i, $param); @params = $q->param; foreach $i (0 .. $#params) { my(@values); next if($params[$i] eq 'mailaddressfile'); foreach $param ($q->param($params[$i])) { next if $param eq ''; if ($param =~ /^([#-\@\w\.\/\[\]\:\n\r\>\< _"']+)$/) { push @values, $1; } else { warn "Tainted input in '$params[$i]': " . $q->param($params[$i]); } $q->param(-name=>$params[$i], -values=>\@values); } } # special stuff # check the list name if (($q->param('list') =~ /[^\w-]/) && ($q->param('action') !~ /^list_create_(do|ask)$/)) { $warning = 'InvalidListName' if ($warning eq ''); $q->param(-name=>'list', -values=>''); } } # ------------------------------------------------------------------------ sub check_permission_for_action { # test if the user is allowed to modify the choosen list or to create an new one # the user would still be allowed to fill out the create-form (however he got there), # but the final creation is omitted my $ret; if ($action eq 'list_create_ask' || $action eq 'list_create_do') { $ret = &webauth_create_allowed(); } elsif (defined($q->param('list'))) { $ret = &webauth($q->param('list')); } else { $ret = (0==0); } return $ret; } # ------------------------------------------------------------------------ sub add_address { # Add an address to a list .. my ($address, $list, $part, @addresses, $fail_count); $list = new Mail::Ezmlm("$LIST_DIR/" . $q->param('list')); $part = &get_list_part(); $fail_count = 0; if (($q->param('mailaddressfile')) && ($FILE_UPLOAD)) { # Sanity check my $fileinfo = $q->uploadInfo($q->param('mailaddressfile')); my $filetype = $fileinfo->{'Content-Type'}; unless($filetype =~ m{^text/}) { $warning = 'InvalidFileFormat'; return (1==0); } # Handle file uploads of addresses my($fh) = $q->param('mailaddressfile'); while (<$fh>) { next if (/^\s*$/ or /^#/); # blank, comments if ( /(\w[\w\.\!\#\$\%\&\'\`\*\+\-\/\=\?\^\{\|\}\~]*)@(\w[\-\w_\.]+)/) { chomp(); push @addresses, "$_"; } else { $fail_count++; } } } # User typed in an address if ($q->param('mailaddress_add') ne '') { $address = $q->param('mailaddress_add'); $address .= $DEFAULT_HOST if ($q->param('mailaddress_add') =~ /\@$/); # untaint if ($address =~ m/(\w[\w\.\!\#\$\%\&\'\`\*\+\-\/\=\?\^\{\|\}\~]*)@(\w[\-\w_\.]+)/) { push @addresses, "$address"; } else { warn "invalid address to add: $address to $part"; $warning = 'AddAddress'; return (1==0); } } my %pretty; my $add; tie %pretty, "DB_File", "$LIST_DIR/" . $q->param('list') . "/webnames" if ($PRETTY_NAMES); foreach $address (@addresses) { ($add) = Mail::Address->parse($address); if (($add->address() =~ m/^(\w[\w\.\!\#\$\%\&\'\`\*\+\-\/\=\?\^\{\|\}\~]*)@(\w[\-\w_\.]+)$/) && !($list->issub($add->address(), $part))) { # it seems, that we cannot trust the return value of "$list->sub" $list->sub($add->address(), $part); if(defined($add->name()) && $PRETTY_NAMES) { $pretty{$add->address()} = $add->name(); } } else { $fail_count++; } } untie %pretty if ($PRETTY_NAMES); if ($fail_count gt 0) { $warning = 'AddAddress'; return (1==0); } else { return (0==0); } } # ------------------------------------------------------------------------ sub delete_address { # Delete an address from a list ... my ($list, @address); $list = new Mail::Ezmlm("$LIST_DIR/" . $q->param('list')); my $part = &get_list_part(); return (1==0) if ($q->param('mailaddress_del') eq ''); @address = $q->param('mailaddress_del'); if ($list->unsub(@address, $part) != 1) { $warning = 'DeleteAddress'; return (1==0); } if($PRETTY_NAMES) { my(%pretty, $add); tie %pretty, "DB_File", "$LIST_DIR/" . $q->param('list') . "/webnames"; foreach $add (@address) { delete $pretty{$add}; } untie %pretty; } } # ------------------------------------------------------------------------ sub set_pagedata4part_list { my($part) = @_; # Deal with list parts .... my ($i, $list, $listaddress,); # Work out the address of this list ... $list = new Mail::Ezmlm("$LIST_DIR/" . $q->param('list')); $listaddress = &this_listaddress(); $pagedata->setValue("Data.List.PartType", "$part"); if($part eq 'mod') { # do we store things in different directories? my $config = $list->getconfig; # empty values represent default settings - everything else is considered as evil :) my($postpath) = $config =~ m{-7\s*'([^']+)'}; my($subpath) = $config =~ m{-8\s*'([^']+)'}; my($remotepath) = $config =~ m{-9\s*'([^']+)'}; $pagedata->setValue("Data.List.hasCustomizedPostModPath", ($postpath ne '')? 1 : 0); $pagedata->setValue("Data.List.hasCustomizedSubModPath", ($subpath ne '')? 1 : 0); $pagedata->setValue("Data.List.hasCustomizedAdminPath", ($remotepath ne '')? 1 : 0); } } # ------------------------------------------------------------------------ sub create_list { # Create a list according to user selections ... # Check if the list directory exists and create if necessary ... unless ((-e $LIST_DIR) || (mkdir $LIST_DIR, 0700)) { warn "Unable to create directory ($LIST_DIR): $!"; $warning = 'ListDirAccessDenied'; return (1==0); } my ($qmail, $listname, $options, $i); # Some taint checking ... $qmail = $1 if $q->param('inlocal') =~ /(?:$USER-)?([^\<\>\\\/\s]+)$/; $listname = $q->param('list'); if ($listname =~ m/[^\w\._\-]/) { $warning = 'InvalidListName'; return (1==0); } # Sanity Checks ... if ($listname eq '') { $warning = 'EmptyListName'; return (1==0); } if (($listname =~ m/^ALL$/i) || ($listname =~ m/^ALLOW_CREATE$/i)) { $warning = 'ReservedListName'; return (1==0); } if ($qmail eq '') { $warning = 'InvalidLocalPart'; return (1==0); } if (-e "$LIST_DIR/$listname/lock") { $warning = 'ListNameAlreadyExists'; return (1==0); } if (-e "$HOME_DIR/.qmail-$qmail") { $warning = 'ListAddressAlreadyExists'; return (1==0); } $options = &extract_options_from_params(); my($list) = new Mail::Ezmlm; unless ($list->make(-dir=>"$LIST_DIR/$listname", -qmail=>"$HOME_DIR/.qmail-$qmail", -name=>$q->param('inlocal'), -host=>$q->param('inhost'), -switches=>$options, -user=>$USER) ) { # fatal error $customWarning = $list->errmsg(); return (1==0); } if (defined($q->param('list_language')) && ($q->param('list_language') ne 'default')) { if (&check_language($list, $q->param('list_language'))) { $list->set_lang($q->param('list_language')); } else { $warning = 'InvalidListLanguage'; } } # handle MySQL stuff if(defined($q->param('setting_state_6')) && $options =~ m/-6\s+/) { $customWarning = $list->errmsg() unless($list->createsql()); } # no error returned - just a warning $warning = 'WebUsersUpdate' unless (&update_webusers()); return (0==0); } # ------------------------------------------------------------------------ sub extract_options_from_params() { # Work out the command line options ... my ($options, $avail_options, $settings, $avail_settings, $i); my ($listname, $old_options, $state, $old_key); # NOTE: we have to define _every_ (even unchanged) setting # as ezmlm-make removes any undefined value $listname = $q->param('list'); if (-e "$LIST_DIR/$listname") { # the list does already exist my $list = new Mail::Ezmlm("$LIST_DIR/$listname"); $old_options = $list->getconfig(); } else { # creating a new list $old_options = $DEFAULT_OPTIONS; } ################ options ################ $i = 0; $old_key = substr($old_options,$i,1); $avail_options = $q->param('options_available'); # parse the first part of the options string while ($old_key =~ m/\w/) { # scan the first part of the options string for lower case letters if ($avail_options =~ m/$old_key/i) { my $form_var_name = "option_" . lc($old_key); # this option was visible for the user if (defined($q->param($form_var_name))) { $options .= lc($old_key); } else { $options .= uc($old_key); } } elsif ("cevz" =~ m/$old_key/i) { # ignore invalid settings (the output of "getconfig" is really weird!) } else { # import the previous set option $options .= $old_key; } $i++; $old_key = substr($old_options,$i,1); } ############### settings ################ $avail_settings = $q->param('settings_available'); for ($i=0; $i<=9; $i++) { if ($avail_settings =~ m/$i/) { # this setting was visible for the user if (defined($q->param("setting_state_$i"))) { $options .= " -$i '" . $q->param("setting_value_$i") . "'"; } else { $options .= " -$i ''"; } } else { # import the previous setting $state = ($old_options =~ /\s-$i (?:'(.+?)')/); $options .= " -$i '$1'" if ($state); } } return $options; } # ------------------------------------------------------------------------ sub update_config { # Save the new user entered config ... my ($list, $options, @inlocal, @inhost, $dir_of_list); my ($old_msgsize); $list = new Mail::Ezmlm("$LIST_DIR/" . $q->param('list')); $dir_of_list = $LIST_DIR . '/' . $q->param('list'); $options = &extract_options_from_params(); # save the settings, that are generally overwritten by ezmlm-make :((( # good candidates are: msgsize, inhost, inlocal and outhost # maybe there are some others? $old_msgsize = $list->getpart('msgsize'); # Actually update the list ... unless($list->update($options)) { $warning = 'UpdateConfig'; return (1==0); } # update trailing text if (defined($q->param('trailing_text'))) { if (defined($q->param('option_t'))) { $list->set_text_content('trailer', $q->param('trailing_text')); } else { # ezmlm-make automatically removes this file } } # update prefix text if (defined($q->param('prefix'))) { if (defined($q->param('option_f'))) { $list->setpart('prefix', $q->param('prefix')) } else { # ezmlm-make automatically removes this file } } # update mimeremove if (defined($q->param('mimeremove'))) { if (defined($q->param('option_x'))) { $list->setpart('mimeremove', $q->param('mimeremove')) } else { # ezmlm-make automatically removes this file } } # update mimereject if (defined($q->param('mimereject'))) { if (defined($q->param('option_x'))) { $list->setpart('mimereject', $q->param('mimereject')) } else { # ezmlm-make automatically removes this file } } # Update headeradd and headerremove if these options were visible $list->setpart('headeradd', $q->param('headeradd')) if (defined($q->param('headeradd'))); $list->setpart('headerremove', $q->param('headerremove')) if (defined($q->param('headerremove'))); if (defined($q->param('msgsize_max_value')) && defined($q->param('msgsize_min_value'))) { my ($minsize, $maxsize); $maxsize = (defined($q->param('msgsize_max_state'))) ? $q->param('msgsize_max_value') : 0; $minsize = (defined($q->param('msgsize_min_state'))) ? $q->param('msgsize_min_value') : 0; $list->setpart('msgsize', "$maxsize:$minsize"); } else { # restore the original value, as ezmlm-make always overrides these values :((( $list->setpart('msgsize', "$old_msgsize"); } # update charset # only if it is different from the previous value and the language was NOT changed # otherwise it could overwrite the default of a new selected language # this has to be done before updating the language if (defined($q->param('list_charset'))) { if ((defined($q->param('list_language'))) && ($q->param('list_language') ne $list->get_lang()) && ($list->get_charset() eq $q->param('list_charset'))) { $list->set_charset(''); } else { $list->set_charset($q->param('list_charset')); } } # update language # this _must_ happen after set_charset to avaoid accidently overriding default charset if (defined($q->param('list_language'))) { if (&check_language($list, $q->param('list_language'))) { $list->set_lang($q->param('list_language')); } else { $warning = 'InvalidListLanguage'; } } unless (&update_webusers()) { $warning = 'WebUsersUpdate'; return (1==0); } return (0==0); } # ------------------------------------------------------------------------ sub update_webusers { # replace existing webusers-line or add a new one # return if there is no webusers entry return (0==0) unless defined($q->param('webusers')); # Back up web users file my $temp_file; my $fh; # generate a temporary filename (as suggested by the Perl Cookbook) do { $temp_file = tmpnam() } until $fh = IO::File->new($temp_file, O_RDWR|O_CREAT|O_EXCL); close $fh; unless (open(TMP, ">$temp_file")) { warn "could not open a temporary file"; return (1==0);; } open(WU, "<$WEBUSERS_FILE"); while() { print TMP; } close WU; close TMP; my $matched = 0; my $listname = $q->param('list'); my $webusers_filtered = $q->param('webusers'); # remove any insecure characters (e.g. a line break :)) $webusers_filtered =~ s/[^\w,_\.\-]/ /gs; open(TMP, "<$temp_file"); unless (open(WU, ">$WEBUSERS_FILE")) { warn "the webusers file ($WEBUSERS_FILE) is not writable"; return (0==1); } while() { if ($_ =~ m/^$listname\s*:/i) { print WU $listname . ': ' . $webusers_filtered . "\n" if ($matched == 0); $matched = 1; } else { print WU $_; } } # append the line, if there was no matching line found before print WU $listname . ': ' . $webusers_filtered . "\n" if ($matched == 0); close TMP; close WU; unlink "$temp_file"; } # ------------------------------------------------------------------------ sub this_listaddress { # Work out the address of this list ... Used often so put in its own subroutine ... my ($list, $listaddress); $list = new Mail::Ezmlm("$LIST_DIR/" . $q->param('list')); chomp($listaddress = $list->getpart('outlocal')); $listaddress .= '@'; chomp($listaddress .= $list->getpart('outhost')); return $listaddress; } # ------------------------------------------------------------------------ sub save_text { # Save new text in DIR/text ... my ($list) = new Mail::Ezmlm("$LIST_DIR/" . $q->param('list')); my ($content) = $q->param('content'); from_to($content,'utf8',$TEXT_ENCODE); # by ooyama for multibyte unless ($list->set_text_content($q->param('file'), $content)) { $warning = 'SaveFile'; return (1==0); } } # ------------------------------------------------------------------------ sub webauth { my $listname = shift; # Check if webusers file exists - if not, then access is granted return (0==0) if (! -e "$WEBUSERS_FILE"); # if there was no user authentication, then everything is allowed return (0==0) if ($ENV{'REMOTE_USER'} eq ''); # Read authentication level from webusers file. Format of this file is # somewhat similar to the unix groups file unless (open (USERS, "<$WEBUSERS_FILE")) { warn "Unable to read webusers file ($WEBUSERS_FILE): $!"; $warning = 'WebUsersRead'; return (1==0); } # TODO: check, why "directly after creating a new list" this does not # work without the "m" switch for the regexp - very weird! # the same goes for webauth_create_allowed # maybe the creating action changed some file access defaults? while() { if (/^($listname|ALL):/im) { # the following line should be synchronized with the webauth_create_allowed sub if (/^[^:]*:(|.*[\s,])($ENV{'REMOTE_USER'}|ALL)(,|\s|$)/m) { close USERS; return (0==0); } } } close USERS; return (1==0); } # --------------------------------------------------------------------------- sub webauth_create_allowed { # Check if we were called with the deprecated argument "-c" (allow to create lists) return (0==0) if (defined($opt_c)); # if there was no user authentication, then everything is allowed return (0==0) if ($ENV{'REMOTE_USER'} eq ''); # Check if webusers file exists - if not, then access is granted return (0==0) if (! -e "$WEBUSERS_FILE"); # Read create-permission from webusers file. # the special listname "ALLOW_CREATE" controls, who is allowed to do it unless (open (USERS, "<$WEBUSERS_FILE")) { warn "Unable to read webusers file ($WEBUSERS_FILE): $!"; $warning = 'WebUsersRead'; return (1==0); } while() { if (/^ALLOW_CREATE:/im) { # the following line should be synchronized with the webauth sub if (/[:\s,]($ENV{'REMOTE_USER'}|(ALL))(,|\s|$)/m) { close USERS; return (0==0); } } } close USERS; return (1==0); } # --------------------------------------------------------------------------- sub check_language { my ($list, $lang) = @_; my $found = 0; my $item; foreach $item ($list->get_available_languages()) { $found++ if ($item eq $q->param('list_language')); } return ($found > 0); } # --------------------------------------------------------------------------- sub rmtree { # A subroutine to recursively delete a directory (like rm -f). # Based on the one in the perl cookbook :) use File::Find qw(finddepth); File::Find::finddepth sub { # assume that File::Find::name is secure since it only uses data we pass it my($name) = $File::Find::name =~ m{^(.+)$}; if (!-l && -d _) { rmdir($name) or warn "couldn't rmdir $name: $!"; } else { unlink($name) or warn "couldn't unlink $name: $!"; } }, @_; 1; } # ------------------------------------------------------------------------ sub fatal_error() { my $text = shift; print "Content-Type: text/html; charset=utf-8\n\n"; print "\n"; print "ezmlm-web\n"; print "

a fatal error occoured!

\n"; print "

$text

\n"; print "

check the error log of your web server for details

\n"; print "\n"; die "$text"; } # ------------------------------------------------------------------------ # End of ezmlm-web.cgi v2.3 # ------------------------------------------------------------------------ __END__ =head1 NAME ezmlm-web - A web configuration interface to ezmlm mailing lists =head1 SYNOPSIS ezmlm-web [B<-c>] [B<-C> EFE] [B<-d> EFE] =head1 DESCRIPTION =over 4 =item B<-C> Specify an alternate configuration file given as F If not specified, ezmlm-web checks first in the users home directory, then in F and then the current directory =item B<-d> Specify an alternate directory where lists live. This is now depreciated in favour of using a custom ezmlmwebrc, but is left for backward compatibility. =back =head1 SUID WRAPPER C<#include stdio.h> C C C C<}> =head1 DOCUMENTATION/CONFIGURATION Please refer to the example ezmlmwebrc which is well commented, and to the README file in this distribution. =head1 FILES F<~/.ezmlmwebrc> F F<./ezmlmwebrc> =head1 AUTHOR Guy Antony Halse Lars Kruse =head1 BUGS None known yet. Please report bugs to the author. =head1 S ezmlm(5), ezmlm-cgi(1), Mail::Ezmlm(3) https://systemausfall.org/toolforge/ezmlm-web http://rucus.ru.ac.za/~guy/ezmlm/ http://www.ezmlm.org/ http://www.qmail.org/