File: proxy.pm

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package bedmod::proxy;
use Socket;

# This package is an extension to bed, to check
# for http proxy server vulnerabilities.

sub new {
    my $this = {};
    bless $this;
    return $this;
}

sub init {
    my $this = shift;
    %special_cfg=@_;

    $this->{proto}="tcp";
    $this->{healthy}=undef;

    if ($special_cfg{'p'} eq "") {
        $this->{port}='8080';
    } else {
        $this->{port} = $special_cfg{'p'};
    }

    if ($special_cfg{'d'}) { return; }
    die "Proxy server failed health check!\n" unless($this->health_check());
#    $iaddr = inet_aton($this->{target})             || die "Unknown host: $this->{target}\n";
#    $paddr = sockaddr_in($this->{port}, $iaddr)     || die "getprotobyname: $!\n";
#    $proto = getprotobyname('tcp')                  || die "getprotobyname: $!\n";
#    socket(SOCKET, PF_INET, SOCK_STREAM, $proto)    || die "socket: $!\n";
#    connect(SOCKET, $paddr)                         || die "connection attempt failed: $!\n";
#    send(SOCKET, "HEAD / HTTP/1.0\r\n\r\n", 0)      || die "HTTP request failed: $!\n";
}

sub health_check {
    my $this = shift;
    $iaddr = inet_aton($this->{target})             || die "Unknown host: $this->{target}\n";
    $paddr = sockaddr_in($this->{port}, $iaddr)     || die "getprotobyname: $!\n";
    $proto = getprotobyname('tcp')                  || die "getprotobyname: $!\n";
    socket(SOCKET, PF_INET, SOCK_STREAM, $proto)    || die "socket: $!\n";
    connect(SOCKET, $paddr)                         || die "connection attempt failed: $!\n";
    send(SOCKET, "HEAD / HTTP/1.0\r\n\r\n", 0)      || die "HTTP request failed: $!\n";
    my $resp = <SOCKET>;
    if (!$this->{healthy}) {
          if ($resp =~ /HTTP/) {
              $this->{healthy}=$resp;
          }
          # print "Set healthy: $resp";
    }
    return $resp =~ m/$this->{healthy}/;
}

sub getQuit {
    return("\r\n\r\n");
}

sub getLoginarray {
    my $this = shift;
    @Loginarray = (
        "XAXAX\r\n\r\n",
        "XAXAX http://127.0.0.2/ HTTP/1.0\r\n\r\n",
        "HEAD http://XAXAX/ HTTP/1.0\r\n\r\n",
        "HEAD http://127.0.0.2:XAXAX/ HTTP/1.0\r\n\r\n",
        "HEAD http://127.0.0.2/XAXAX HTTP/1.0\r\n\r\n",
        "HEAD http://127.0.0.2/ XAXAX\r\n\r\n",
        "GET http://XAXAX/ HTTP/1.0\r\n\r\n",
        "GET http://127.0.0.2:XAXAX/ HTTP/1.0\r\n\r\n",
        "GET http://127.0.0.2/XAXAX HTTP/1.0\r\n\r\n",
        "GET http://127.0.0.2/ XAXAX\r\n\r\n",
        "CONNECT XAXAX HTTP/1.0\r\n\r\n",
        "CONNECT XAXAX:80 HTTP/1.0\r\n\r\n",
        "CONNECT 127.0.0.2:XAXAX HTTP/1.0\r\n\r\n",
        "CONNECT 127.0.0.2:80 XAXAX\r\n\r\n",
      );
    return (@Loginarray);
}

sub getCommandarray {
    my $this = shift;

    @cmdArray = (
        "XAXAX: XAXAX\r\n\r\n",
        "User-Agent: XAXAX\r\n\r\n",
        "Host: XAXAX\r\n\r\n",
        "Host: XAXAX:80\r\n\r\n",
        "Host: somehost:XAXAX\r\n\r\n",
        "Accept: XAXAX\r\n\r\n",
        "Accept-Encoding: XAXAX\r\n\r\n",
        "Accept-Language: XAXAX\r\n\r\n",
        "Accept-Charset: XAXAX\r\n\r\n",
        "Connection: XAXAX\r\n\r\n",
        "Referer: XAXAX\r\n\r\n",
        "Referer: XAXAX://somehost.com/\r\n\r\n",
        "Referer: http://XAXAX/\r\n\r\n",
        "Referer: http://somehost.com/XAXAX\r\n\r\n",
        "Authorization: XAXAX\r\n\r\n",
        "From: XAXAX\r\n\r\n",
        "Charge-To: XAXAX\r\n\r\n",
        "Authorization: XAXAX",
        "Authorization: XAXAX : foo\r\n\r\n",
        "Authorization: foo : XAXAX\r\n\r\n",
        "If-Modified-Since: XAXAX\r\n\r\n",
        "If-Match: XAXAX\r\n\r\n",
        "If-None-Match: XAXAX\r\n\r\n",
        "If-Range: XAXAX\r\n\r\n",
        "If-Unmodified-Since: XAXAX\r\n\r\n",
        "Max-Forwards: XAXAX\r\n\r\n",
        "Proxy-Authorization: XAXAX\r\n\r\n",
        "ChargeTo: XAXAX\r\n\r\n",
        "Pragma: XAXAX\r\n\r\n",
        "Proxy-Connection: XAXAX\r\n\r\n",
        "Expect: XAXAX\r\n\r\n",
        "Range: XAXAX\r\n\r\n",
        "Range: bytes=1-XAXAX\r\n\r\n",
        "Range: bytes=0-1,XAXAX\r\n",
        "Content-Length: XAXAX\r\n\r\n",
        "Cookie: XAXAX\r\n\r\n",
        "TE: XAXAX\r\n\r\n",
        "Upgrade: XAXAX\r\nConnection: upgrade\r\n\r\n",
      );
    return(@cmdArray);
}

sub getLogin {
    my $this = shift;
    @login = (
        "GET http://127.0.0.2/ HTTP/1.0\r\n",
        "POST http://127.0.0.2/ HTTP/1.0\r\n",
        "CONNECT 127.0.0.1:80 HTTP/1.1\r\n",
        "GET http://127.0.0.2/ HTTP/1.1\r\n",
        "POST http://127.0.0.2/ HTTP/1.1\r\n",
        "CONNECT 127.0.0.2:80 HTTP/1.0\r\n",
      );
    return(@login);
}

sub testMisc { #Put your corner case tests here...
    my $this = shift;
    @cmdArray = (
        "GET / HTTP/1.0\r\n" . "Lotsofheaders: XAXAX\r\n" x 1024 . "\r\n"
      );
    return(@cmdArray);
}

sub usage {
}

1;