Thanks for your help david so far...
I think I am having a problem configering... please have a look the following code and see if i filled it correctly:
# Check Referring URL
&check_url;
# Retrieve Date
&get_date;
# Parse Form Contents
&parse_form;
# Check Required Fields
&check_required;
# Send E-Mail
&send_mail;
# Return HTML Page or Redirect User
&return_html;
# NOTE rev1.91: This function is no longer intended to stop abuse, that #
# functionality is now embedded in the checks made on @recipients and the #
# recipient form field. #
sub check_url {
# Localize the check_referer flag which determines if user is valid. #
local($check_referer) = 0;
# If a referring URL was specified, for each valid referer, make sure #
# that a valid referring URL was passed to FormMail. #
if ($ENV{'HTTP_REFERER'}) {
foreach $referer (@referers) {
if ($ENV{'HTTP_REFERER'} =~ m|https?://([^/]*)$referer|i) {
$check_referer = 1;
last;
}
}
}
else {
$check_referer = 1;
}
# If the HTTP_REFERER was invalid, send back an error. #
if ($check_referer != 1) { &error('bad_referer') }
}
sub get_date {
# Define arrays for the day of the week and month of the year. #
@days = ('Sunday','Monday','Tuesday','Wednesday',
'Thursday','Friday','Saturday');
@months = ('January','February','March','April','May','June','July',
'August','September','October','November','December');
# Get the current time and format the hour, minutes and seconds. Add #
# 1900 to the year to get the full 4 digit year. #
($sec,$min,$hour,$mday,$mon,$year,$wday) = (localtime(time))[0,1,2,3,4,5,6];
$time = sprintf("%02d:%02d:%02d",$hour,$min,$sec);
$year += 1900;
# Format the date. #
$date = "$days[$wday], $months[$mon] $mday, $year at $time";
}
sub parse_form {
# Define the configuration associative array. #
%Config = ('recipient','Info', 'subject','Feedback',
'email','
[email protected]', 'realname','Info Department',
'redirect','thanks.html', 'bgcolor','white',
'background','', 'link_color','',
'vlink_color','', 'text_color','',
'alink_color','', 'title','',
'sort','', 'print_config','',
'required',name, telephone, email'', 'env_report','',
'return_link_title','', 'return_link_url','',
'print_blank_fields','', 'missing_fields_redirect','index.htm');
# Determine the form's REQUEST_METHOD (GET or POST) and split the form #
# fields up into their name-value pairs. If the REQUEST_METHOD was #
# not GET or POST, send an error. #
if ($ENV{'REQUEST_METHOD'} eq 'GET') {
# Split the name-value pairs
@pairs = split(/&/, $ENV{'QUERY_STRING'});
}
elsif ($ENV{'REQUEST_METHOD'} eq 'POST') {
# Get the input
read(STDIN, $buffer, $ENV{'CONTENT_LENGTH'});
# Split the name-value pairs
@pairs = split(/&/, $buffer);
}
else {
&error('request_method');
}
# For each name-value pair: #
foreach $pair (@pairs) {
# Split the pair up into individual variables. #
local($name, $value) = split(/=/, $pair);
# Decode the form encoding on the name and value variables. #
# v1.92: remove null bytes #
$name =~ tr/+/ /;
$name =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
$name =~ tr/\0//d;
$value =~ tr/+/ /;
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
$value =~ tr/\0//d;
# If the field name has been specified in the %Config array, it will #
# return a 1 for defined($Config{$name}}) and we should associate #
# this value with the appropriate configuration variable. If this #
# is not a configuration form field, put it into the associative #
# array %Form, appending the value with a ', ' if there is already a #
# value present. We also save the order of the form fields in the #
# @Field_Order array so we can use this order for the generic sort. #
if (defined($Config{$name})) {
$Config{$name} = $value;
}
else {
if ($Form{$name} ne '') {
$Form{$name} = "$Form{$name}, $value";
}
else {
push(@Field_Order,$name);
$Form{$name} = $value;
}
}
}
# The next six lines remove any extra spaces or new lines from the #
# configuration variables, which may have been caused if your editor #
# wraps lines after a certain length or if you used spaces between field #
# names or environment variables. #
$Config{'required'} =~ s/(\s+|\n)?,(\s+|\n)?/,/g;
$Config{'required'} =~ s/(\s+)?\n+(\s+)?//g;
$Config{'env_report'} =~ s/(\s+|\n)?,(\s+|\n)?/,/g;
$Config{'env_report'} =~ s/(\s+)?\n+(\s+)?//g;
$Config{'print_config'} =~ s/(\s+|\n)?,(\s+|\n)?/,/g;
$Config{'print_config'} =~ s/(\s+)?\n+(\s+)?//g;
# Split the configuration variables into individual field names. #
@Required = split(/,/,$Config{'required'});
@Env_Report = split(/,/,$Config{'env_report'});
@Print_Config = split(/,/,$Config{'print_config'});
# ACCESS CONTROL FIX: Only allow ENV variables in @valid_ENV in #
# @Env_Report for security reasons. #
foreach $env_item (@Env_Report) {
foreach $valid_item (@valid_ENV) {
if ( $env_item eq $valid_item ) { push(@temp_array, $env_item) }
}
}
@Env_Report = @temp_array;
}
sub check_required {
# Localize the variables used in this subroutine. #
local($require, @error);
# The following insures that there were no newlines in any fields which #
# will be used in the header. #
if ($Config{'subject'} =~ /(\n|\r)/m || $Config{'email'} =~ /(\n|\r)/m ||
$Config{'realname'} =~ /(\n|\r)/m || $Config{'recipient'} =~ /(\n|\r)/m) {
&error('invalid_headers');
}
if (!$Config{'recipient'}) {
if (!defined(%Form)) { &error('bad_referer') }
else { &error('no_recipient') }
}
else {
# This block of code requires that the recipient address end with #
# a valid domain or e-mail address as defined in @recipients. #
$valid_recipient = 0;
foreach $send_to (split(/,/,$Config{'recipient'})) {
foreach $recipient (@recipients) {
if ($send_to =~ /$recipient$/i) {
push(@send_to,$send_to); last;
}
}
}
if ($#send_to < 0) { &error('no_recipient') }
$Config{'recipient'} = join(',',@send_to);
}
# For each require field defined in the form: #
foreach $require (@Required) {
# If the required field is the email field, the syntax of the email #
# address if checked to make sure it passes a valid syntax. #
if ($require eq 'email' && !&check_email($Config{$require})) {
push(@error,$require);
}
# Otherwise, if the required field is a configuration field and it #
# has no value or has been filled in with a space, send an error. #
elsif (defined($Config{$require})) {
if ($Config{$require} eq '') { push(@error,$require); }
}
# If it is a regular form field which has not been filled in or #
# filled in with a space, flag it as an error field. #
elsif (!defined($Form{$require}) || $Form{$require} eq '') {
push(@error,$require);
}
}
# If any error fields have been found, send error message to the user. #
if (@error) { &error('missing_fields', @error) }
}
sub return_html {
# Local variables used in this subroutine initialized. #
local($key,$sort_order,$sorted_field);
# Now that we have finished using form values for any e-mail related #
# reasons, we will convert all of the form fields and config values #
# to remove any cross-site scripting security holes. #
local($field);
foreach $field (keys %Config) {
$safeConfig{$field} = &clean_html($Config{$field});
}
foreach $field (keys %Form) {
$Form{$field} = &clean_html($Form{$field});
}
# If redirect option is used, print the redirectional location header. #
if ($Config{'redirect'}) {
print "Location: $safeConfig{'redirect'}\n\n";
}
# Otherwise, begin printing the response page. #
else {
# Print HTTP header and opening HTML tags. #
print "Content-type: text/html\n\n";
print "<html>\n <head>\n";
# Print out title of page #
if ($Config{'title'}) { print "<title>$safeConfig{'title'}</title>\n" }
else { print "<title>Thank You</title>\n" }
print " </head>\n <body";
# Get Body Tag Attributes #
&body_attributes;
# Close Body Tag #
print ">\n <center>\n";
# Print custom or generic title. #
if ($Config{'title'}) { print "<h1>$safeConfig{'title'}</h1>\n" }
else { print "<h1>Thank You For Filling Out This Form</h1>\n" }
print "</center>\n";
print "Below is what you submitted to $safeConfig{'recipient'} on ";
print "$date<p><hr size=1 width=75\%><p>\n";
# If a sort order is specified, sort the form fields based on that. #
if ($Config{'sort'} =~ /^order:.*,.*/) {
# Set the temporary $sort_order variable to the sorting order, #
# remove extraneous line breaks and spaces, remove the order: #
# directive and split the sort fields into an array. #
$sort_order = $Config{'sort'};
$sort_order =~ s/(\s+|\n)?,(\s+|\n)?/,/g;
$sort_order =~ s/(\s+)?\n+(\s+)?//g;
$sort_order =~ s/order://;
@sorted_fields = split(/,/, $sort_order);
# For each sorted field, if it has a value or the print blank #
# fields option is turned on print the form field and value. #
foreach $sorted_field (@sorted_fields) {
local $sfname = &clean_html($sorted_field);
if ($Config{'print_blank_fields'} || $Form{$sorted_field} ne '') {
print "<b>$sfname:</b> $Form{$sorted_field}<p>\n";
}
}
}
# Otherwise, use the order the fields were sent, or alphabetic. #
else {
# Sort alphabetically if requested.
if ($Config{'sort'} eq 'alphabetic') {
@Field_Order = sort @Field_Order;
}
# For each form field, if it has a value or the print blank #
# fields option is turned on print the form field and value. #
foreach $field (@Field_Order) {
local $fname = &clean_html($field);
if ($Config{'print_blank_fields'} || $Form{$field} ne '') {
print "<b>$fname:</b> $Form{$field}<p>\n";
}
}
}
print "<p><hr size=1 width=75%><p>\n";
# Check for a Return Link and print one if found. #
if ($Config{'return_link_url'} && $Config{'return_link_title'}) {
print "<ul>\n";
print "<li><a href=\"$safeConfig{'return_link_url'}\">$safeConfig{'return_link_title'}</a>\n";
print "</ul>\n";
}
# Print the page footer. #
print <<"(END HTML FOOTER)";
<hr size=1 width=75%><p>
<center><font size=-1><a href="http://www.scriptarchive.com/formmail.html">FormMail</a> V1.92 © 1995 - 2002 Matt Wright<br>
A Free Product of <a href="http://www.scriptarchive.com/">Matt's Script Archive, Inc.</a></font></center>
</body>
</html>
(END HTML FOOTER)
}
}
sub send_mail {
# Localize variables used in this subroutine. #
local($print_config,$key,$sort_order,$sorted_field,$env_report);
# Open The Mail Program
open(MAIL,"|$mailprog");
print MAIL "To: $Config{'recipient'}\n";
print MAIL "From: $Config{'email'} ($Config{'realname'})\n";
# Check for Message Subject
if ($Config{'subject'}) { print MAIL "Subject: $Config{'subject'}\n\n" }
else { print MAIL "Subject: WWW Form Submission\n\n" }
print MAIL "Below is the result of your feedback form. It was submitted by\n";
print MAIL "$Config{'realname'} ($Config{'email'}) on $date\n";
print MAIL "-" x 75 . "\n\n";
if (@Print_Config) {
foreach $print_config (@Print_Config) {
if ($Config{$print_config}) {
print MAIL "$print_config: $Config{$print_config}\n\n";
}
}
}
# If a sort order is specified, sort the form fields based on that. #
if ($Config{'sort'} =~ /^order:.*,.*/) {
# Remove extraneous line breaks and spaces, remove the order: #
# directive and split the sort fields into an array. #
local $sort_order = $Config{'sort'};
$sort_order =~ s/(\s+|\n)?,(\s+|\n)?/,/g;
$sort_order =~ s/(\s+)?\n+(\s+)?//g;
$sort_order =~ s/order://;
@sorted_fields = split(/,/, $sort_order);
# For each sorted field, if it has a value or the print blank #
# fields option is turned on print the form field and value. #
foreach $sorted_field (@sorted_fields) {
if ($Config{'print_blank_fields'} || $Form{$sorted_field} ne '') {
print MAIL "$sorted_field: $Form{$sorted_field}\n\n";
}
}
}
# Otherwise, print fields in order they were sent or alphabetically. #
else {
# Sort alphabetically if specified: #
if ($Config{'sort'} eq 'alphabetic') {
@Field_Order = sort @Field_Order;
}
# For each form field, if it has a value or the print blank #
# fields option is turned on print the form field and value. #
foreach $field (@Field_Order) {
if ($Config{'print_blank_fields'} || $Form{$field} ne '') {
print MAIL "$field: $Form{$field}\n\n";
}
}
}
print MAIL "-" x 75 . "\n\n";
# Send any specified Environment Variables to recipient. #
foreach $env_report (@Env_Report) {
if ($ENV{$env_report}) {
print MAIL "$env_report: $ENV{$env_report}\n";
}
}
close (MAIL);
}
sub check_email {
# Initialize local email variable with input to subroutine. #
$email = $_[0];
# If the e-mail address contains: #
if ($email =~ /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/ ||
# the e-mail address contains an invalid syntax. Or, if the #
# syntax does not match the following regular expression pattern #
# it fails basic syntax verification. #
$email !~ /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z0-9]+)(\]?)$/) {
# Basic syntax requires: one or more characters before the @ sign, #
# followed by an optional '[', then any number of letters, numbers, #
# dashes or periods (valid domain/IP characters) ending in a period #
# and then 2 or 3 letters (for domain suffixes) or 1 to 3 numbers #
# (for IP addresses). An ending bracket is also allowed as it is #
# valid syntax to have an email address like: user@[255.255.255.0] #
# Return a false value, since the e-mail address did not pass valid #
# syntax. #
return 0;
}
else {
# Return a true value, e-mail verification passed. #
return 1;
}
}
# This was added into v1.91 to further secure the recipients array. Now, by #
# default it will assume that valid recipients include only users with #
# usernames A-Z, a-z, 0-9, _ and - that match your domain exactly. If this #
# is not what you want, you should read more detailed instructions regarding #
# the configuration of the @recipients variable in the documentation. #
sub fill_recipients {
local(@domains) = @_;
local($domain,@return_recips);
foreach $domain (@domains) {
if ($domain =~ /^\d+\.\d+\.\d+\.\d+$/) {
$domain =~ s/\./\\\./g;
push(@return_recips,'^[\w\-\.]+\@\[' . $domain . '\]');
}
else {
$domain =~ s/\./\\\./g;
$domain =~ s/\-/\\\-/g;
push(@return_recips,'^[\w\-\.]+\@' . $domain);
}
}
return @return_recips;
}
# This function will convert <, >, & and " to their HTML equivalents. #
sub clean_html {
local $value = $_[0];
$value =~ s/\&/\&/g;
$value =~ s/</\</g;
$value =~ s/>/\>/g;
$value =~ s/"/\"/g;
return $value;
}
sub body_attributes {
# Check for Background Color
if ($Config{'bgcolor'}) { print " bgcolor=\"$safeConfig{'bgcolor'}\"" }
# Check for Background Image
if ($Config{'background'}) { print " background=\"$safeConfig{'background'}\"" }
# Check for Link Color
if ($Config{'link_color'}) { print " link=\"$safeConfig{'link_color'}\"" }
# Check for Visited Link Color
if ($Config{'vlink_color'}) { print " vlink=\"$safeConfig{'vlink_color'}\"" }
# Check for Active Link Color
if ($Config{'alink_color'}) { print " alink=\"$safeConfig{'alink_color'}\"" }
# Check for Body Text Color
if ($Config{'text_color'}) { print " text=\"$safeConfig{'text_color'}\"" }
}
sub error {
# Localize variables and assign subroutine input. #
local($error,@error_fields) = @_;
local($host,$missing_field,$missing_field_list);
if ($error eq 'bad_referer') {
if ($ENV{'HTTP_REFERER'} =~ m|^https?://([\w\.]+)|i) {
$host = $1;
my $referer = &clean_html($ENV{'HTTP_REFERER'});
print <<"(END ERROR HTML)";
Content-type: text/html
