##################################################################
sub valid_address
{
$testmail = $fields{'submit_by'};
if ($testmail =~/ /)
{ return 0; }
if ($testmail =~ /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/ ||
$testmail !~ /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/)
{ return 0; }
else { return 1; }
}
##################################################################
sub bad_email
{
print <<__STOP_OF_BADMAIL__;
Content-type: text/html
<FONT SIZE="+1">
<B>
SORRY! Your request could not be processed because of an
improperly formatted e-mail address. Please use your browser's
back button to return to the form entry page.
</B>
</FONT>
__STOP_OF_BADMAIL__
}
sub get_the_lock
{
local ($endtime);
$endtime = 60;
$endtime = time + $endtime;
while (-e $lockfile && time < $endtime)
{
# Do Nothing
}
open(LOCK_FILE, ">$lockfile");
}
sub drop_the_lock
{
close($lockfile);
unlink($lockfile);
}
##################################################################
sub valid_page
{
if (@okaydomains == 0)
{return;}
$DOMAIN_OK=0;
$RF=$ENV{'HTTP_REFERER'};
$RF=~tr/A-Z/a-z/;
foreach $ts (@okaydomains) {
if ($RF =~ /$ts/)
{ $DOMAIN_OK=1; }
}
if ( $DOMAIN_OK == 0) {
print "Content-type: text/html\n\n Sorry....Cant run from here!";
exit;
}
}
###################################################################
###################################################################
sub sendmail {
# error codes below for those who bother to check result codes <gr>
# 1 success
# -1 $smtphost unknown
# -2 socket() failed
# -3 connect() failed
# -4 service not available
# -5 unspecified communication error
# -6 local user $to unknown on host $smtp
# -7 transmission of message failed
# -8 argument $to empty
#
# Sample call:
#
# &sendmail($from, $reply, $to, $smtp, $subject, $message );
#
# Note that there are several commands for cleaning up possible bad inputs - if you
# are hard coding things from a library file, so of those are unnecesssary
#
my ($fromaddr, $replyaddr, $to, $smtp, $subject, $message) = @_;
$to =~ s/[ \t]+/, /g; # pack spaces and add comma
$fromaddr =~ s/.*<([^\s]*?)>/$1/; # get from email address
$replyaddr =~ s/.*<([^\s]*?)>/$1/; # get reply email address
$replyaddr =~ s/^([^\s]+).*/$1/; # use first address
$message =~ s/^\./\.\./gm; # handle . as first character
$message =~ s/\r\n/\n/g; # handle line ending
$message =~ s/\n/\r\n/g;
$smtp =~ s/^\s+//g; # remove spaces around $smtp
$smtp =~ s/\s+$//g;
if (!$to)
{
return(-8);
}
if ($SMTP_SERVER ne "")
{
my($proto) = (getprotobyname('tcp'))[2];
my($port) = (getservbyname('smtp', 'tcp'))[2];
my($smtpaddr) = ($smtp =~
/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/)
? pack('C4',$1,$2,$3,$4)
: (gethostbyname($smtp))[4];
if (!defined($smtpaddr))
{
return(-1);
}
if (!socket(MAIL, AF_INET, SOCK_STREAM, $proto))
{
return(-2);
}
if (!connect(MAIL, pack('Sna4x8', AF_INET, $port, $smtpaddr)))
{
return(-3);
}
my($oldfh) = select(MAIL);
$| = 1;
select($oldfh);
$_ = <MAIL>;
if (/^[45]/)
{
close(MAIL);
return(-4);
}
print MAIL "helo $SMTP_SERVER\r\n";
$_ = <MAIL>;
if (/^[45]/)
{
close(MAIL);
return(-5);
}
print MAIL "mail from: <$fromaddr>\r\n";
$_ = <MAIL>;
if (/^[45]/)
{
close(MAIL);
return(-5);
}
foreach (split(/, /, $to))
{
print MAIL "rcpt to: <$_>\r\n";
$_ = <MAIL>;
if (/^[45]/)
{
close(MAIL);
return(-6);
}
}
print MAIL "data\r\n";
$_ = <MAIL>;
if (/^[45]/)
{
close MAIL;
return(-5);
}
}
if ($SEND_MAIL ne "")
{
open (MAIL,"| $SEND_MAIL");
}
print MAIL "To: $to\n";
print MAIL "From: $fromaddr\n";
print MAIL "Reply-to: $replyaddr\n" if $replyaddr;
print MAIL "X-Mailer: Perl Powered Socket Mailer\n";
print MAIL "Subject: $subject\n\n";
print MAIL "$message";
print MAIL "\n.\n";
if ($SMTP_SERVER ne "")
{
$_ = <MAIL>;
if (/^[45]/)
{
close(MAIL);
return(-7);
}
print MAIL "quit\r\n";
$_ = <MAIL>;
}
close(MAIL);
return(1);
}
sub sys_date
{
%mn = ('Jan','01', 'Feb','02', 'Mar','03', 'Apr','04',
'May','05', 'Jun','06', 'Jul','07', 'Aug','08',
'Sep','09', 'Oct','10', 'Nov','11', 'Dec','12' );
$sydate=localtime(time);
($day, $month, $num, $time, $year) = split(/\s+/,$sydate);
$zl=length($num);
if ($zl == 1)
{ $num = "0$num";}
$yyyymmdd="$year\-$mn{$month}\-$num";
return $yyyymmdd;
}
sub sys_time
{
$sydate=localtime(time);
($day, $month, $num, $time, $year) = split(/\s+/,$sydate);
return $time;
}
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