1 |
#!/usr/bin/perl |
2 |
# SSL Man-In-The-Middle v0.1. Copyright (C) Vlatko Kosturjak, Kost |
3 |
# Distributed under GPL v2+. |
4 |
|
5 |
use strict; |
6 |
use POSIX; |
7 |
use IO::Socket::SSL qw(debug3); |
8 |
$Net::SSLeay::trace = 4; |
9 |
use Getopt::Long; |
10 |
use Time::HiRes qw(time); |
11 |
|
12 |
my $localport = 8080; |
13 |
my $localaddr = "127.0.0.1"; |
14 |
my $port = 80; |
15 |
my $host = "127.0.0.1"; |
16 |
my $logdir = "$localaddr:$localport-$host:$port"; |
17 |
|
18 |
my $help; |
19 |
my $daemon; |
20 |
my $buffersize = 2048; |
21 |
my $logtype; |
22 |
my $daemon; |
23 |
my $serverkey = "$logdir/ssl.key"; |
24 |
my $servercert = "$logdir/ssl.cert"; |
25 |
my $serverdh; |
26 |
|
27 |
$| = 1; |
28 |
|
29 |
my $goresult = GetOptions( |
30 |
"lport=i" => \$localport, |
31 |
"laddr=s" => \$localaddr, |
32 |
"rport=i" => \$port, |
33 |
"raddr=s" => \$host, |
34 |
"logtype=i" => \$logtype, |
35 |
"logdir=s" => \$logdir, |
36 |
"daemon" => \$daemon, |
37 |
"serverkey=s" => \$serverkey, |
38 |
"servercert=s" => \$servercert, |
39 |
"serverdh=s" => \$serverdh, |
40 |
"help" => \$help |
41 |
); |
42 |
|
43 |
if ($help) { |
44 |
print <<"END"; |
45 |
SSL Man-In-The-Middle v0.1. Copyright (C) Vlatko Kosturjak, Kost |
46 |
Distributed under GPL v2+. |
47 |
|
48 |
Usage: $0 [OPTIONS] |
49 |
|
50 |
--lport <port> Listening port (default 80) |
51 |
--laddr <address> Listening address (default localhost) |
52 |
--rport <port> Remote port to connect to (default 8080) |
53 |
--raddr <address> Remote address to connect to (default localhost) |
54 |
--serverkey <file> Certificate key file for local SSL server |
55 |
--servercert <file> Certificate file for local SSL server |
56 |
--serverdh <file> Diffie-Helman file for key exchange |
57 |
--log <type> Type of log where 0 is no log (default 0) |
58 |
--logdir Directory to log to (default .) |
59 |
--daemon Daemonize (work in background) |
60 |
--help Display this help message |
61 |
END |
62 |
exit; |
63 |
} |
64 |
|
65 |
mkdir $logdir; |
66 |
|
67 |
system "openssl req -new -x509 -days 365 -nodes -out $servercert -keyout $serverkey" |
68 |
if ! -e $serverkey && ! -e $servercert; |
69 |
|
70 |
|
71 |
my %o = ( |
72 |
'dir' => $logdir, |
73 |
'port' => $localport, |
74 |
'toport' => $port, |
75 |
'tohost' => $host |
76 |
); |
77 |
|
78 |
if ($daemon) { |
79 |
my $pid = fork; |
80 |
exit if $pid; |
81 |
die "$!" unless defined($pid); |
82 |
POSIX::setsid() or die "$!"; |
83 |
} |
84 |
|
85 |
my $ah = IO::Socket::SSL->new( |
86 |
'LocalPort' => $localport, |
87 |
'LocalAddr' => $localaddr, |
88 |
'Reuse' => 1, |
89 |
'Proto' => 'tcp', |
90 |
'SSL_verify_mode' => '0', |
91 |
'SSLdhfile' => $serverdh, |
92 |
'SSL_cert_file' => $servercert, |
93 |
'SSL_key_file' => $serverkey, |
94 |
'Listen' => 10, |
95 |
# 'SSL_version' => 'SSLv3', # SSLv3, SSLv2, TLSv1 |
96 |
# 'SSL_cipher_list' => 'RC4-MD5', |
97 |
) || die "$!"; |
98 |
|
99 |
$SIG{'CHLD'} = 'IGNORE'; |
100 |
my $num = 0; |
101 |
|
102 |
while (1) { |
103 |
my $ch = $ah->accept(); |
104 |
if ( !$ch ) { |
105 |
print STDERR "cannot accept: $! ", IO::Socket::SSL::errstr(), |
106 |
"\n"; |
107 |
next; |
108 |
} |
109 |
if ( !$ch ) { print STDERR "cannot accept: $!\n"; next; } |
110 |
++$num; |
111 |
my $pid = fork(); |
112 |
if ( !defined($pid) ) { print STDERR "cannot fork while(1) $!\n"; } |
113 |
elsif ( $pid == 0 ) { |
114 |
$ah->close( SSL_no_shutdown => 1 ); |
115 |
Run( \%o, $ch, $num ); |
116 |
} else { |
117 |
$ch->close( SSL_no_shutdown => 1 ); |
118 |
} |
119 |
} |
120 |
|
121 |
sub Run { |
122 |
my ( $o, $ch, $num ) = @_; |
123 |
my $th = IO::Socket::SSL->new( |
124 |
'PeerAddr' => $o->{'tohost'}, |
125 |
'PeerPort' => $o->{'toport'}, |
126 |
# 'SSL_use_cert' => '0', |
127 |
# 'SSL_verify_mode' => '0', |
128 |
|
129 |
'SSL_version' => 'SSLv3', # SSLv3, SSLv2, TLSv1 |
130 |
'SSL_cipher_list' => 'RC4-MD5', |
131 |
'Proto' => 'tcp' |
132 |
); |
133 |
if ( !$th ) { print "cannot connect th: $!"; exit 0; } |
134 |
else { print "connected!"; } |
135 |
my $fh; |
136 |
if ( $o->{'dir'} ) { |
137 |
$fh = Symbol::gensym(); |
138 |
my $path = $o->{'dir'} . '/' . Time::HiRes::time(); |
139 |
open( $fh, '>', $path ) or die "$!"; |
140 |
} |
141 |
$ch->autoflush(); |
142 |
$th->autoflush(); |
143 |
my $httpheader = ""; |
144 |
my $httpbuf = ""; |
145 |
while ( $ch || $th ) { |
146 |
my $rin = ""; |
147 |
vec( $rin, fileno($ch), 1 ) = 1 if $ch; |
148 |
vec( $rin, fileno($th), 1 ) = 1 if $th; |
149 |
my ( $rout, $eout ); |
150 |
select( $rout = $rin, undef, $eout = $rin, 120 ); |
151 |
if ( !$rout && !$eout ) { } |
152 |
my $cbuffer = ""; |
153 |
my $tbuffer = ""; |
154 |
|
155 |
if ($ch |
156 |
&& ( vec( $eout, fileno($ch), 1 ) |
157 |
|| vec( $rout, fileno($ch), 1 ) ) |
158 |
) |
159 |
{ |
160 |
my $result = sysread( $ch, $tbuffer, $buffersize ); |
161 |
if ( !defined($result) ) { |
162 |
print STDERR "$!\n"; |
163 |
exit 0; |
164 |
} |
165 |
if ( $result == 0 ) { exit 0; } |
166 |
} |
167 |
if ($th |
168 |
&& ( vec( $eout, fileno($th), 1 ) |
169 |
|| vec( $rout, fileno($th), 1 ) ) |
170 |
) |
171 |
{ |
172 |
my $result = sysread( $th, $cbuffer, $buffersize ); |
173 |
if ( !defined($result) ) { print STDERR "$!\n"; exit 0; } |
174 |
if ( $result == 0 ) { exit 0; } |
175 |
} |
176 |
if ( $fh && $tbuffer ) { |
177 |
( print $fh "[c]" . $tbuffer . "[/c]" ); |
178 |
} |
179 |
while ( my $len = length($tbuffer) ) { |
180 |
my $res = syswrite( $th, $tbuffer, $len ); |
181 |
if ( $res > 0 ) { $tbuffer = substr( $tbuffer, $res ); } |
182 |
else { print STDERR "$!\n"; } |
183 |
} |
184 |
if ( $fh && $cbuffer ) { |
185 |
( print $fh "[s]" . $cbuffer . "[/s]" ); |
186 |
} |
187 |
while ( my $len = length($cbuffer) ) { |
188 |
my $res = syswrite( $ch, $cbuffer, $len ); |
189 |
if ( $res > 0 ) { $cbuffer = substr( $cbuffer, $res ); } |
190 |
else { print STDERR "$!\n"; } |
191 |
} |
192 |
} |
193 |
} |
194 |
|