Answer the question
In order to leave comments, you need to log in
How to use NET::SMTP SSL/TLS over SOCKS?
I have specific implementations of bind, connect to SOCKS and connect to SMTP server via SOCKS. How can I use an already established connection with Net::SMTP? This answer didn't help me, I can't install SLL handshake.
DEBUG: .../IO/Socket/SSL.pm:683: waiting for fd to become ready: SSL wants a read first
DEBUG: .../IO/Socket/SSL.pm:693: handshake failed because socket did not became ready
sub connect {
my ($ip, $port, $is_ssl, $pid, $server) = @_;
if (defined $socket) {
my ($packed_cmd, $buffer, @data, %response);
$packed_cmd = pack("C4Nn", 0x05, 0x01, 0x00, 0x01, $ip, $port);
$socket->send($packed_cmd);
if (defined $socket->recv($buffer, 1024)) {
@data = unpack("C4 L S", $buffer);
$response{'version'} = $data[0];
$response{'result'} = $data[1];
$response{'reg'} = $data[2];
$response{'type'} = $data[3];
$response{'ip'} = $data[4];
$response{'port'} = $data[5];
$socket->blocking(0);
if ($is_ssl) {
&debug(3, $pid, "Try start SSL handshake with [$server]\n");
IO::Socket::SSL->start_SSL($socket, SSL_version => 'SSLv23', SSL_ca_file => SSL_CA_FILE) or &debug(3, $pid, "Cannot start SSL handshake! [email protected]\n") and return 0;
&debug(3, $pid, "SSL handshake done!\n");
}
# TODO: Make TLS support
return 1;
}
}
&debug(3, $pid, "Cannot connect to [$server:$port] through socks server [$socks_name:$socks_server]\n");
return 0;
}
sub bind_socks {
my ($pid) = @_;
my ($method, $packed_cmd, $buffer, @data, %response);
$socket = IO::Socket::INET->new(
PeerAddr => $socks_server,
PeerPort => $socks_port,
Proto => 'tcp',
Timeout => SOCKS5_CONNECT_TIMEOUT
) or &debug(3, $pid, "Cannot connect to the socks server [$socks_server] [email protected]\n") and return 0;
&debug(3, $pid, "Connected to the socks server [$socks_name:$socks_server]\n");
$socket->blocking(1);
if ($socks_username && $socks_password) {
$method = 0x02;
} else {
$method = 0x00;
}
$packed_cmd = pack("C3", 0x05, 0x01, $method);
$socket->send($packed_cmd);
if (defined $socket->recv($buffer, 1024)) {
@data = unpack("C2", $buffer);
$response{'version'} = $data[0];
$response{'method'} = $data[1];
if ((defined $response{'version'}) && (defined $response{'method'}) && ($response{'version'} eq 5) && ($response{'method'} eq $method)) {
if ($method == 2) {
$packed_cmd = pack("CC", 0x01, length($socks_username)) . $socks_username . pack("C", length($socks_password)) . $socks_password;
$socket->send($packed_cmd);
if (defined $socket->recv($buffer, 1024)) {
@data = unpack("C2", $buffer);
$response{'version'} = $data[0];
$response{'status'} = $data[1];
return 1;
}
} else {
return 1;
}
} else {
&debug(3, $pid, "Cannot authenticate on socks server [$socks_name:$socks_server]\n");
return 0;
}
}
&debug(3, $pid, "Cannot authenticate on socks server [$socks_name:$socks_server]\n");
return 0;
}
Answer the question
In order to leave comments, you need to log in
Didn't find what you were looking for?
Ask your questionAsk a Question
731 491 924 answers to any question