我有这个代码用PHP发送数据包,我想知道如何在perl中执行它,我尝试通过十六进制数据发送,但它无法正常工作。这是PHP代码:
$sIPAddr = "37.221.175.211";
$iPort = 7777;
$sPacket = "";
$aIPAddr = explode('.', $sIPAddr);
$sPacket .= "SAMP";
$sPacket .= chr($aIPAddr[0]);
$sPacket .= chr($aIPAddr[1]);
$sPacket .= chr($aIPAddr[2]);
$sPacket .= chr($aIPAddr[3]);
$sPacket .= chr($iPort & 0xFF);
$sPacket .= chr($iPort >> 8 & 0xFF);
$sPacket .= 'c';
$rSocket = fsockopen('udp://'.$sIPAddr, $iPort, $iError, $sError, 2);
fwrite($rSocket, $sPacket);
fclose($rSocket);
我如何在Perl中执行此操作?我也想使用原始套接字发送它。
这是我尝试过的,但是服务器没有回复它,这让我觉得数据在某处被破坏了:
$packet = Net::RawIP->new({
ip => {
saddr => $saddr,
daddr => $dest,
},
udp => {
source => $rsport,
dest => $port,
data => "\x53\x41\x4d\x50\x25\xdd\xaf\xd3\x61\x1e\x63", # this is the data from the PHP file in HEX
},
});
$packet->send;
答案 0 :(得分:1)
不了解Net::RawIP
,但这里是使用IO::Socket::INET
模块发送与PHP代码完全相同的数据包的Perl变体。有关它的文档,请参阅https://metacpan.org/pod/IO::Socket::INET
use strict;
use warnings;
use IO::Socket;
my $sIPAddr = '37.221.175.211';
my $iPort = 7777;
my $sPacket = 'SAMP' . join( '', map chr,
split(/\./, $sIPAddr),
$iPort & 0xFF,
$iPort >> 8 & 0xFF,
) . 'c';
my $sock = IO::Socket::INET->new(
Proto => 'udp',
PeerPort => $iPort,
PeerAddr => $sIPAddr,
) or die "Could not create socket: $!\n";
$sock->send( $sPacket );