#!/usr/bin/perl use Socket; $|=1; ################################################################## # birdcast.cgi Version 2.0 # updated May 2, 1999 # (C)1998, 1999 Bignosebird.com # This software is FREEWARE! Do with it as you wish. It is yours # to share and enjoy. Modify it, improve it, and have fun with it! # It is distributed strictly as a learning aid and bignosebird.com # disclaims all warranties- including but not limited to: # fitness for a particular purpose, merchantability, loss of # business, harm to your system, etc... ALWAYS BACK UP YOUR # SYSTEM BEFORE INSTALLING ANY SCRIPT OR PROGRAM FROM ANY # SOURCE! ################################################################## # CONFIGURATION NOTES # # $SCRIPT_NAME is the full URL of this script, including the # http part, ie, "http://domainname.com/cgi-bin/birdcast.cgi"; # # $SITE_NAME is the "name" of your web site. # $SITE_URL is the URL of your site (highest level) # $END_LINE is the very last line printed in the e-mail. # # $MAXNUM is the number of possible people a person can refer # your URL to at one time. If you call the script using the # GET method, then this is also the number of entry blanks # created for recipient names and addresses. # # $SMTP_SERVER is the name of your e-mail gateway server, or # SMTP host. On most systems, "localhost" will work just fine. # If not, change "localhost" to whatever your ISP's SMTP # server name is, ie, smtp.isp.net or mail.isp.net # $SEND_MAIL is the full path to your server's sendmail program # If you do not wish to use Sockets for some reason and need # to use sendmail, uncomment the $SEND_MAIL line and comment # the $SMTP_SERVER line. # okaydomains is a list of domains from which you want to allow # the script to be called from. Leave it commented to leave the # script unrestricted. If you choose to use it, be sure to list # your site URL with and without the www. # Use either $SMTP_SERVER # $SMTP_SERVER="localhost"; # # OR # $SEND_MAIL="/usr/lib/sendmail -t"; $SCRIPT_NAME="http://www.ableshoppers.com/recommend.cgi"; $SITE_NAME="AbleShoppers.com"; $SITE_URL="http://www.ableshoppers.com/"; $ENDLINE=""; $MAXNUM=5; $LOGFILE="reflog.txt"; if ($ENV{'QUERY_STRING'}){ $qs="\#"; $qs .= "$ENV{'QUERY_STRING'}"; }else { $qs=""; } if ($SENDMAIL ne "") {&test_sendmail;} &valid_page; #if script is called from offsite, bounce it! &decode_vars; if ($ENV{'REQUEST_METHOD'} ne "POST") { &draw_request; exit; } &do_log; &process_mail; print "Location: $JUMP_TO\n\n"; ################################################################## sub process_mail { for ($i=1;$i<$MAXNUM+1;$i++) { $recipname="recipname_$i"; $recipemail="recipemail_$i"; if ($fields{$recipemail} eq "") { next; } if (&valid_address == 0) { next; } #BNB SAYS! You can modify the Subject line below. $subject = "Hey, look at $fields{'send_name'}'s find"; #BNB SAYS! Modify the lines below between the lines marked # with __STOP_OF_MAIL__ to customize your e-mail message # DO NOT remove the lines that contain __STOP_OF_MAIL__! # If you enter any hardcoded e-mail addresses, BE SURE TO # put the backslash before the at sign, ie, me\@here.net $msgtxt = <<__STOP_OF_MAIL__; Hi $fields{$recipname}, $fields{'send_name'} stopped by $SITE_NAME and suggested that you visit the following URL: $JUMP_TO __STOP_OF_MAIL__ if ($fields{'message'} ne "") { $msgtxt .= "Here is their message....\n"; $msgtxt .= "$fields{'message'}\n\n"; } $msgtxt .= "$SITE_NAME\n"; $msgtxt .= "$ENDLINE\n"; $msgtxt .= "$SITE_URL\n\n"; $mailresult=&sendmail($fields{send_email}, $fields{send_email}, $fields{$recipemail}, $SMTP_SERVER, $subject, $msgtxt); if ($mailresult ne "1") {print "Content-type: text/html\n\n"; print "MAIL NOT SENT. SMTP ERROR: $mailresult\n"; exit } } } ################################################################## sub draw_request { print "Content-type: text/html\n\n"; #BNB SAYS! Here is the part that draws the page that asks the #reader to enter e-mail addresses and names. Tailor it to meet # your needs if necessary. DO NOT disturb the lines with # __REQUEST__ on them. print <<__REQUEST__; Suggest AbleShoppers.com to your friends
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$ENV{'HTTP_REFERER'}$qs

Simply fill in the e-mail address of the person(s) you wish to tell about $SITE_NAME, your name and e-mail address (so they do not think it is spam or reply to us with gracious thanks), and click the SEND button. If you want to, you can also enter a message that will be included on the e-mail.

After sending the e-mail, you will be transported back to the page you recommended!

__REQUEST__ for ($i=1;$i<$MAXNUM+1;$i++) { print <<__STOP_OF_ROW__; __STOP_OF_ROW__ } print <<__REQUEST2__;
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__REQUEST2__ } ################################################################## # NOTHING TO MESS WITH BEYOND THIS POINT!!!! ################################################################## sub decode_vars { $i=0; if ( $ENV{'REQUEST_METHOD'} eq "GET") { $temp=$ENV{'QUERY_STRING'}; } else { read(STDIN,$temp,$ENV{'CONTENT_LENGTH'}); } @pairs=split(/&/,$temp); foreach $item(@pairs) { ($key,$content)=split(/=/,$item,2); $content=~tr/+/ /; $content=~s/%(..)/pack("c",hex($1))/ge; $content=~s/\012//gs; $content=~s/\015/ /gs; $fields{$key}=$content; } if ($fields{'call_by'} eq "") { $JUMP_TO = "$ENV{'HTTP_REFERER'}$qs"; } else { $JUMP_TO = $fields{'call_by'}; } } ################################################################## sub valid_address { $testmail = $fields{$recipemail}; if ($testmail =~ /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/ || $testmail !~ /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/) { return 0; } else { return 1; } } 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 ( $DOMAIN_OK == 0) { print "Content-type: text/html\n\n Sorry, cant run it from here...."; exit; } } ################################################################## sub test_sendmail { @ts=split(/ /,$MAIL_PROGRAM); if ( -e $ts[0] ) { return; } print "Content-type: text/html\n\n"; print "

$ts[0] NOTFOUND. PLEASE CHECK YOUR SCRIPT'S MAIL_PROGRAM VARIABLE

"; exit; } sub do_log { open (ZL,">>$LOGFILE"); $date=localtime(time); for ($i=1;$i<$MAXNUM+1;$i++) { $recipname="recipname_$i"; $recipemail="recipemail_$i"; if ($fields{$recipemail} eq "") { next; } if (&valid_address == 0) { next; } $logline="$date\|$JUMP_TO\|$fields{'send_email'}\|$fields{$recipemail}\|\n"; print ZL $logline; } close(ZL); } ################################################################### #Sendmail.pm routine below by Milivoj Ivkovic ################################################################### sub sendmail { # error codes below for those who bother to check result codes # 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); $_ = ; if (/^[45]/) { close(MAIL); return(-4); } print MAIL "helo $SMTP_SERVER\r\n"; $_ = ; if (/^[45]/) { close(MAIL); return(-5); } print MAIL "mail from: <$fromaddr>\r\n"; $_ = ; if (/^[45]/) { close(MAIL); return(-5); } foreach (split(/, /, $to)) { print MAIL "rcpt to: <$_>\r\n"; $_ = ; if (/^[45]/) { close(MAIL); return(-6); } } print MAIL "data\r\n"; $_ = ; if (/^[45]/) { close MAIL; return(-5); } } if ($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 "") { $_ = ; if (/^[45]/) { close(MAIL); return(-7); } print MAIL "quit\r\n"; $_ = ; } close(MAIL); return(1); }