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Komunikace
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sambar
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_setup.1
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mailit.pl
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1999-11-21
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#
# Perl-based Mail Tool
#
# Copyright 1998 Tod Sambar
# All rights reserved.
#
# Arbitrary Mail Form Data can be pre-pended to the mail
# message by adding input parameters that begin with the
# characters: FD
#
#
# Only allow localhost to dump environment variables
# (ONLY remove after reading the syshelp/security.htm documentation)
#
$host_test = $ENV{'REMOTE_ADDR'};
if (!($host_test eq '127.0.0.1'))
{
print "Only localhost is allowed to use this script!\n";
exit(1);
}
#
# PARSE THE CGI FORM
#
# Buffer the POST content
read(STDIN, $buffer, $ENV{'CONTENT_LENGTH'});
# Process the name=value argument pairs
my $data;
my $pair;
my $name;
my $value;
my @args = split(/&/, $buffer);
$data = '';
foreach $pair (@args)
{
($name, $value) = split(/=/, $pair);
# Unescape the argument value
$value =~ tr/+/ /;
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
# Any fields starting with FD (form-data) are prepended
if ($name =~ /^FD/)
{
$name =~ s/FD//;
$name =~ tr/+/ /;
$data .= $name." : ".$value."\n";
}
else
{
# Save the name=value pair for use below.
$FORM{$name} = $value;
}
}
#
# VERIFY THE FORM DATA
#
$server = $FORM{'server'};
$from = $FORM{'from'};
$to = $FORM{'recipient'};
if (!($server) || !($from) || !($to))
{
print "<HTML><TITLE>Missing fields</TITLE><BODY>\n";
print "Missing one of the following required arguments:<BR>\n";
print "<I>server</I> <I>from</I> <I>to</I>\n";
print "</BODY></HTML>\n";
exit(1);
}
$subject = $FORM{'subject'};
if (!($subject))
{
$subject = "none";
}
$bodyfile = '';
$body = $FORM{'body'};
if ($data)
{
$body = $data."\n\n".$body;
}
$attach = $FORM{'attach'};
#
# CLOSE SECURITY PROBLEMS.
#
if (($server =~ /[;><&\*'\|]/ ) ||
($from =~ /[;><&\*'\|]/ ) ||
($subject =~ /[;><&\*'\|]/ ) ||
($attach =~ /[;><&\*'\|]/ ) ||
($to =~ /[;><&\*'\|]/ ))
{
print "<HTML><TITLE>Invalid fields</TITLE><BODY>\n";
print "One or more the following fields have invalid characters:<BR>\n";
print "<I>server</I> <I>from</I> <I>to</I> <I>subject</I> <I>attach</I>\n";
print "</BODY></HTML>\n";
exit(1);
}
if ($attach =~ /([^\.]+)\//)
{
print "<HTML><TITLE>Invalid attachment path</TITLE><BODY>\n";
print "An invalid attachment path was specified.<BR>\n";
print "</BODY></HTML>\n";
exit(1);
}
#
# Prepare the BODY of the message
#
if ($body)
{
# Write the body to a temporary file.
do {
$bodyfile = int(rand(99999999))."mit";
} until !(-e $bodyfile);
open(FILE, ">$bodyfile") || exit(1);
print FILE $body;
close FILE;
}
# Fixup any quote characters...
$server =~ s/"/\\"/g;
$from =~ s/"/\\"/g;
$to =~ s/"/\\"/g;
$subject =~ s/"/\\"/g;
$attach =~ s/"/\\"/g;
#
# BUILD THE MAIL COMMAND
#
# Syntax: mailit <server> <from> <to> <subject> [<body-file> [<attach1>]]
#
$commandline = "..\\bin\\mailit.exe ";
$commandline .= " \"$server\"";
$commandline .= " \"$from\"";
$commandline .= " \"$to\"";
$commandline .= " \"$subject\"";
$commandline .= " $bodyfile" if $bodyfile;
$commandline .= " $attach" if $attach;
#
# EXECUTE THE MAILIT COMMAND
#
system($commandline);
$result = $?;
# Remove the body file.
if ($bodyfile)
{
unlink($bodyfile);
}
# Test the result...
if ($result != 0)
{
print "\nMailIt Failed [$result].\n";
print "Command: ".$commandline;
exit(1);
}
#
# DONE
#
print "MailIt Succeeded.\n";
exit(0);