udp2tcp.pl
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上传日期:2013-07-25
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- #!/usr/bin/perl
- # ====================================================================
- # The Vovida Software License, Version 1.0
- #
- # Copyright (c) 2000 Vovida Networks, Inc. All rights reserved.
- #
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions
- # are met:
- #
- # 1. Redistributions of source code must retain the above copyright
- # notice, this list of conditions and the following disclaimer.
- #
- # 2. Redistributions in binary form must reproduce the above copyright
- # notice, this list of conditions and the following disclaimer in
- # the documentation and/or other materials provided with the
- # distribution.
- #
- # 3. The names "VOCAL", "Vovida Open Communication Application Library",
- # and "Vovida Open Communication Application Library (VOCAL)" must
- # not be used to endorse or promote products derived from this
- # software without prior written permission. For written
- # permission, please contact vocal@vovida.org.
- #
- # 4. Products derived from this software may not be called "VOCAL", nor
- # may "VOCAL" appear in their name, without prior written
- # permission of Vovida Networks, Inc.
- #
- # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
- # WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- # OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
- # NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL VOVIDA
- # NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
- # IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
- # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- # PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- # OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- # USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- # DAMAGE.
- #
- # ====================================================================
- #
- # This software consists of voluntary contributions made by Vovida
- # Networks, Inc. and many individuals on behalf of Vovida Networks,
- # Inc. For more information on Vovida Networks, Inc., please see
- # <http://www.vovida.org/>.
- # simple script to manage UDP to TCP for SIP connections
- use IO::Socket;
- use LWP;
- use Socket;
- # multiplex based on To:, From:, and Call-Id:
- &mksocket(5060, S1);
- while(1) {
- $rin = '';
- vec($rin, fileno(S1), 1) = 1;
-
- if(select($rin, undef, undef, undef)) {
- @bits = split(//, unpack("b*", $rin));
- undef($data);
- undef($new_data);
- if($bits[fileno(S1)]) {
- $data = "";
- $his_address = recv(S1, $data, 60000, 0);
- if($data) {
- open(JUNK, ">junk.txt");
- print JUNK $data;
- close(JUNK);
- $new_data = &post_data_tcp($data);
- &post_data_udp(S1, $new_data, $his_address);
- }
- }
- }
- }
- sub post_data_udp {
- my($socket, $data, $his_address) = @_;
- ($hisport, $hisiaddr) = sockaddr_in($his_address);
- $hishost = inet_ntoa($hisiaddr);
- print "returns: $hishost:$hisport:n----$datan----n";
- ($sin) = pack_sockaddr_in(5060, $hisiaddr);
-
- # defined(send(S1,$return_data,0,$sin)) || die $!;
- defined(send($socket, $data, 0,$sin)) || die "send: $!";
- $them_S2 = pack($sockaddr,PF_INET, 5060, 192.168);
- print "returns: donen";
- return;
- }
- sub post_data_tcp {
- my($request) = $_[0];
- my($content) = "";
- print "sending:n";
- print "----n$requestn----n";
- print "sending: startn";
- $remote = IO::Socket::INET->new( Proto => "tcp",
- PeerAddr => "newton",
- PeerPort => "5060",
- );
- print $remote $request;
- while(<$remote>) {
- $content .= $_;
- }
- close($remote);
- print "sending: donen";
- print "----n$contentn----n";
- return $content;
- }
- sub mksocket {
- local($port, $socket) = @_;
-
- ($name,$aliases,$proto) = getprotobyname('udp');
- socket($socket, PF_INET, SOCK_DGRAM, $proto) || die "socket: $!";
- $paddr = sockaddr_in($port, INADDR_ANY); # 0 means let kernel pick
- bind($socket , $paddr) || die "died with port $port $!";
-
- }