#!/usr/local/bin/perl use Socket; ################################################################## # (C)1998-9 Bignosebird.com bnbform v3.0 # 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! # # Socket based e-mail for cross platform capability! # ############## SPECIAL FORM VARIABLES ############################ #required: comma delimited list of required entry fields #data_order: comma delimited list indicating what fields to actually # print and in what order. #outputfile: the name of the file to save the data in if using a file #emailfile: the name of the file to hold only the sender e-mail address #ok_url: URL to go to if successful #not_ok_url URL to go to if unsuccessful #submit_to: email address of person to input receive data by mail #cc_to: email address of Cc Recipient #submit_by: email address of person completing form #autorespond: if yes, then send confirmation to submitter #automessage: text to print for autoconfirmation e-mail #form_id: name of form for e-mail subject #countfile: name of file for serial number counter #okaydomains: prevents calling the script from other sites, # without restricting e-mail addresses. # replaces $SECURE_NAME from earlier versions. # use only lower case letters. #SMTP_SERVER: the full host name of the server providing e-mail # gateway service ################################################################## ## MAIN ########################################################## #@okaydomains=("http://bignosebird.com", "http://www.bignosebird.com"); #SMTP_SERVER: indicates the name of the host acting as the e-mail # gateway. "localhost" should work on most systems. $SMTP_SERVER="localhost"; #OR IF SMTP IS UNAVAILABLE TO YOU, USE SEND_MAIL- # BUT NOT BOTH! $SEND_MAIL="/usr/lib/sendmail -t"; $lockfile="/tmp/bnbform.lck"; &decode_vars; &valid_page; if ($fields{'countfile'} ne "") { &get_number; } &valid_data; &write_data; if ($fields{'autorespond'} eq "yes") { &answer_back; } if ($fields{'ok_url'} ne "") { print "Location: $fields{'ok_url'}\n\n"; exit;} else { &thank_you; } ################################################################## sub write_data { if ($fields{'submit_by'} ne "") { if (&valid_address == 0) { &bad_email; exit; } } if ($fields{'submit_by'} ne "" && $fields{'emailfile'} ne "") { open (EMF,">>$fields{'emailfile'}"); print EMF "$fields{'submit_by'}\n"; close (EMF); } $the_date=localtime(); if ($fields{'submit_to'} ne "") { $msgtext=""; $msgtext .= "On $the_date,\n"; $msgtext .= "The following information was submitted:\n"; $msgtext .= "Host: $ENV{'REMOTE_ADDR'}\n"; } if ($fields{'outputfile'} ne "") { &get_the_lock; open(OUT_FILE,">>$fields{'outputfile'}"); } foreach $to_print (@sortlist) { if ($fields{'outputfile'} ne "") { print OUT_FILE "$fields{$to_print}\|"; } if ($fields{'submit_to'} ne "") { $msgtext .= "$to_print = $fields{$to_print}\n"; } } if ($fields{'outputfile'} ne "") { print OUT_FILE "$the_date\|\n"; close(OUT_FILE); &drop_the_lock; } if ($fields{'submit_to'} ne "") { $mailresult=&sendmail($fields{submit_by}, $fields{submit_by}, $fields{submit_to}, $SMTP_SERVER, $fields{form_id}, $msgtext); if ($mailresult ne "1") {print "Content-type: text/html\n\n"; print "MAIL NOT SENT. SMTP ERROR: $mailcodes{'$mailresult'}\n"; exit } } if ($fields{'cc_to'} ne "") { $mailresult=&sendmail($fields{submit_by}, $fields{submit_by}, $fields{cc_to}, $SMTP_SERVER, $fields{form_id}, $msgtext); } } ################################################################## sub decode_vars { $i=0; read(STDIN,$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/\t/ /g; $fields{$key}=$content; if ($key eq "data_order") { $content=~s/ //g; @sortlist=split(/,/,$content); } if ($key eq "required") { $content=~s/ //g; @mandatory=split(/,/,$content); } } } ################################################################## sub valid_data { if ($fields{'data_order'} eq "") #make sure we have work to do! { print "Content-type: text/html\n\n"; print <<__W1__;

NO data_order list SPECIFIED!

__W1__ exit; } foreach $to_check (@mandatory) #test all required fields, bail on 1st bad { if ($fields{$to_check} eq "") { if ($fields{'not_ok_url'} ne "") { print "Location: $fields{'not_ok_url'}\n\n"; exit; } else { &try_again; } } } } ################################################################## sub thank_you { print "Content-type: text/html\n\n"; print <<__W2__;

Thank you!

Your information has been sent and I will be in touch with you soon. __W2__ exit; } ################################################################## sub try_again { print "Content-type: text/html\n\n"; print <<__W3__;

Missing Data!

Please press the back button and fill in all required fields!

__W3__ exit; } ################################################################## sub answer_back { $subject = "Thank you"; $msgtext=""; if ($fields{'automessage'} ne "") { open (AM,"< $fields{'automessage'}"); while () { chop $_; $msgtext .= "$_\n"; } close(AM); } else { $msgtext =<<__W4__; Thank you for your submission. I will be getting in touch with you soon. __W4__ } $mailresult=&sendmail($fields{submit_to}, $fields{submit_to}, $fields{submit_by}, $SMTP_SERVER, $subject, $msgtext); } ################################################################## sub get_number { $newnum=0; open(COUNTER,"<$fields{'countfile'}"); while() { $newnum = $_ + 1; } close(COUNTER); open(COUNTER,">$fields{'countfile'}"); print COUNTER "$newnum"; close (COUNTER); $fields{'counter'}=$newnum } ################################################################## sub valid_address { $testmail = $fields{'submit_by'}; if ($testmail =~ /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/ || $testmail !~ /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/) { return 0; } else { return 1; } } ################################################################## sub bad_email { print <<__STOP_OF_BADMAIL__; Content-type: text/html SORRY! Your request could not be processed because of an improperly formatted e-mail address. Please use your browser's back button to return to the form entry page. __STOP_OF_BADMAIL__ } sub get_the_lock { local ($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; } } ################################################################### #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); }

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