Merge pull request #179 from misi/dev
NAT Behavior Discovery improvements
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mom040267
GitHub
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5
.gitignore
vendored
Normal file
5
.gitignore
vendored
Normal file
@ -0,0 +1,5 @@
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Makefile
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bin
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build
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include
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lib
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182
README.turnutils
182
README.turnutils
@ -1,41 +1,41 @@
|
||||
GENERAL INFORMATION
|
||||
|
||||
A set of turnutils_* programs provides some utility functionality to be used
|
||||
for testing and for setting up the TURN server.
|
||||
|
||||
1. turnutils_uclient: emulates multiple UDP,TCP,TLS or DTLS clients.
|
||||
for testing and for setting up the TURN server.
|
||||
|
||||
1. turnutils_uclient: emulates multiple UDP,TCP,TLS or DTLS clients.
|
||||
(this program is provided for the testing purposes only !)
|
||||
The compiled binary image of this program is located in bin/
|
||||
The compiled binary image of this program is located in bin/
|
||||
sub-directory.
|
||||
|
||||
2. turnutils_peer: a simple stateless UDP-only "echo" server,
|
||||
to be used as the final server in relay pattern ("peer"). For every incoming
|
||||
2. turnutils_peer: a simple stateless UDP-only "echo" server,
|
||||
to be used as the final server in relay pattern ("peer"). For every incoming
|
||||
UDP packet, it simply echoes it back.
|
||||
(this program is provided for the testing purposes only !)
|
||||
When the test clients are communicating in the client-to-client manner
|
||||
(when the "turnutils_uclient" program is used with "-y" option) then the
|
||||
(this program is provided for the testing purposes only !)
|
||||
When the test clients are communicating in the client-to-client manner
|
||||
(when the "turnutils_uclient" program is used with "-y" option) then the
|
||||
turnutils_peer is not needed.
|
||||
|
||||
|
||||
The compiled binary image of this program is located in bin/ subdirectory.
|
||||
|
||||
3. turnutils_stunclient: a simple STUN client example.
|
||||
|
||||
3. turnutils_stunclient: a simple STUN client example.
|
||||
The compiled binary image of this program is located in bin/ subdirectory.
|
||||
|
||||
4. turnutils_rfc5769check: a utility that checks the correctness of the
|
||||
|
||||
4. turnutils_rfc5769check: a utility that checks the correctness of the
|
||||
STUN/TURN protocol implementation. This utility is used only for the compilation
|
||||
check procedure, it is not copied to the installation destination.
|
||||
|
||||
In the "examples/scripts" subdirectory, you will find the examples of command lines to be used
|
||||
In the "examples/scripts" subdirectory, you will find the examples of command lines to be used
|
||||
to run the programs. The scripts are meant to be run from examples/ subdirectory, for example:
|
||||
|
||||
$ cd examples
|
||||
|
||||
$ ./scripts/secure_relay.sh
|
||||
|
||||
5. turnutils_natdiscovery: a utility that provides NAT behavior discovery
|
||||
according RFC5780. This utility discovers the actual NAT Mapping and Filtering
|
||||
behavior. Be aweare that at least two different listening IP addresses should
|
||||
be configured to be able to work properly!
|
||||
5. turnutils_natdiscovery: a utility that provides NAT behavior discovery
|
||||
according RFC5780. This utility discovers the actual NAT Mapping and Filtering
|
||||
behavior, etc. Be aware that on TURN server side two different listening IP
|
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addresses should be configured to be able to work properly!
|
||||
|
||||
6. turnutils_oauth: a utility that provides OAuth access_token
|
||||
generation(AEAD encryption), validation and decryption. This utility inputs
|
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@ -49,34 +49,34 @@ script in examples/scripts/oauth.sh.
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||||
|
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|
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=====================================
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||||
|
||||
|
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NAME
|
||||
|
||||
|
||||
turnutils_uclient - this client emulation application is supplied for the test purposes only.
|
||||
|
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SYNOPSIS
|
||||
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SYNOPSIS
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$ turnutils_uclient [-tTSvsyhcxg] [options] <TURN-Server-IP-address>
|
||||
|
||||
|
||||
DESCRIPTION
|
||||
|
||||
It was designed to simulate multiple clients. It uses asynch IO API in
|
||||
libevent to handle multiple clients. A client connects to the relay,
|
||||
negotiates the session, and sends multiple (configured number) messages to the server (relay),
|
||||
expecting the same number of replies. The length of the messages is configurable.
|
||||
The message is an arbitrary octet stream.
|
||||
|
||||
It was designed to simulate multiple clients. It uses asynch IO API in
|
||||
libevent to handle multiple clients. A client connects to the relay,
|
||||
negotiates the session, and sends multiple (configured number) messages to the server (relay),
|
||||
expecting the same number of replies. The length of the messages is configurable.
|
||||
The message is an arbitrary octet stream.
|
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The number of the messages to send is configurable.
|
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|
||||
Flags:
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||||
Flags:
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-t Use TCP for communications between client and TURN server (default is UDP).
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||||
-b Use SCTP for communications between client and TURN server (default is UDP).
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-T Use TCP for the relay transport (default - UDP). Implies options -t, -y, -c,
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-T Use TCP for the relay transport (default - UDP). Implies options -t, -y, -c,
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and ignores flags and options -s, -e, -r and -g. Can be used together
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with -b.
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-P Passive TCP (RFC6062 with active peer). Implies -T.
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-S Secure SSL connection: SSL/TLS for TCP, DTLS for UDP, TLS/SCTP for SCTP.
|
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@ -87,11 +87,11 @@ Flags:
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||||
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||||
-s Use "Send" method in TURN; by default, it uses TURN Channels.
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-y Use client-to-client connections:
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-y Use client-to-client connections:
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RTP/RTCP pair of channels to another RTP/RTCP pair of channels.
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with this option the turnutils_peer application is not used,
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as the allocated relay endpoints are talking to each other.
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-h Hang on indefinitely after the last sent packet.
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-c Do not create rtcp connections.
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@ -109,12 +109,12 @@ Flags:
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-R do negative protocol tests.
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||||
-O DOS attack mode.
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|
||||
|
||||
-M Use TURN ICE Mobility.
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-I Do not set permissions on TURN relay endpoints
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(for testing the non-standard server relay functionality).
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-G Generate extra requests (create permissions, channel bind).
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-B Random disconnect after a few initial packets.
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@ -123,7 +123,7 @@ Flags:
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||||
-J Use oAuth with default test key kid='north'.
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Options with required values:
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||||
Options with required values:
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||||
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||||
-l Message length (Default: 100 Bytes).
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||||
@ -159,7 +159,7 @@ Options with required values:
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table in the database if dynamic, or the static-auth-secret
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value set in the configuration file if using static.
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-C This is the timestamp/username separator symbol (character) in
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-C This is the timestamp/username separator symbol (character) in
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TURN REST API. The default value is :.
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-F Cipher suite for TLS/DTLS. Default value is DEFAULT.
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@ -171,23 +171,23 @@ Options with required values:
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||||
See the examples in the "examples/scripts" directory.
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||||
======================================
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||||
|
||||
|
||||
NAME
|
||||
|
||||
turnutils_peer - a simple UDP-only echo backend server.
|
||||
|
||||
|
||||
turnutils_peer - a simple UDP-only echo backend server.
|
||||
|
||||
SYNOPSIS
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||||
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$ turnutils_peer [-v] [options]
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||||
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||||
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DESCRIPTION
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||||
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||||
|
||||
This application is used for the test purposes only, as a peer for the turnutils_uclient application.
|
||||
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||||
Options with required values:
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||||
Options with required values:
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||||
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||||
-p Listening UDP port (Default: 3480).
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||||
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||||
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||||
-d Listening interface device (optional)
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||||
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-L Listening address of turnutils_peer server. Multiple listening addresses can be used, IPv4 and IPv6.
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@ -198,50 +198,50 @@ If no listener address(es) defined, then it listens on all IPv4 and IPv6 address
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========================================
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NAME
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||||
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||||
turnutils_stunclient - a basic STUN client.
|
||||
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||||
|
||||
turnutils_stunclient - a basic STUN client.
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||||
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SYNOPSIS
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||||
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||||
$ turnutils_stunclient [options] <STUN-Server-IP-address>
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||||
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DESCRIPTION
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||||
|
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It sends a "new" STUN RFC 5389 request (over UDP) and shows the reply information.
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||||
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||||
Options with required values:
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||||
Options with required values:
|
||||
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-p STUN server port (Default: 3478).
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-L Local address to use (optional).
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-f Force RFC 5780 processing.
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The turnutils_stunclient program checks the results of the first request,
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and if it finds that the STUN server supports RFC 5780
|
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(the binding response reveals that) then the turnutils_stunclient makes a couple more
|
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The turnutils_stunclient program checks the results of the first request,
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and if it finds that the STUN server supports RFC 5780
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(the binding response reveals that) then the turnutils_stunclient makes a couple more
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requests with different parameters, to demonstrate the NAT discovery capabilities.
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This utility does not support the "old" "classic" STUN protocol (RFC 3489).
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=====================================
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NAME
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||||
|
||||
turnutils_rfc5769check - a utility that tests the correctness of STUN protocol implementation.
|
||||
|
||||
|
||||
turnutils_rfc5769check - a utility that tests the correctness of STUN protocol implementation.
|
||||
|
||||
SYNOPSIS
|
||||
|
||||
|
||||
$ turnutils_rfc5769check
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||||
|
||||
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||||
DESCRIPTION
|
||||
|
||||
turnutils_rfc5769check tests the correctness of STUN protocol implementation
|
||||
against the test vectors predefined in RFC 5769 and prints the results of the
|
||||
turnutils_rfc5769check tests the correctness of STUN protocol implementation
|
||||
against the test vectors predefined in RFC 5769 and prints the results of the
|
||||
tests on the screen. This utility is used only for the compilation
|
||||
check procedure, it is not copied to the installation destination.
|
||||
|
||||
Usage:
|
||||
|
||||
Usage:
|
||||
|
||||
$ turnutils_rfc5769check
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||||
|
||||
@ -249,7 +249,7 @@ $ turnutils_rfc5769check
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||||
|
||||
NAME
|
||||
|
||||
turnutils_natdiscovery - a utility that discovers NAT mapping and filtering
|
||||
turnutils_natdiscovery - a utility that discovers NAT mapping and filtering
|
||||
behavior according RFC5780.
|
||||
|
||||
SYNOPSIS
|
||||
@ -258,13 +258,13 @@ $ turnutils_natdiscovery [options] <STUN-Server-FQDN-or-IP-address>
|
||||
|
||||
DESCRIPTION
|
||||
|
||||
turnutils_natdiscovery discovers the NAT Mapping and Filtering behavior, to
|
||||
determine if that NAT is currently using Endpoint-Independent,
|
||||
Address-Dependent, or Address and Port-Dependent Mapping and/or to determine if
|
||||
that NAT is currently using Endpoint-Independent, Address-Dependent, or Address
|
||||
and Port-Dependent Filtering.
|
||||
turnutils_natdiscovery discovers the NAT Mapping and Filtering behavior, to
|
||||
determine if that NAT is currently using Endpoint-Independent,
|
||||
Address-Dependent, or Address and Port-Dependent Mapping and/or to determine if
|
||||
that NAT is currently using Endpoint-Independent, Address-Dependent, or Address
|
||||
and Port-Dependent Filtering.
|
||||
|
||||
Use either -m and/or -f flag to discover NAT Mapping and/or Filtering.
|
||||
Use either -m, -f, -c, -H flag to discover NAT behavior.
|
||||
|
||||
Flags:
|
||||
|
||||
@ -272,12 +272,30 @@ Flags:
|
||||
|
||||
-f NAT filtering behavior discovery
|
||||
|
||||
-t NAT mapping lifetime behavior discovery
|
||||
Requires a timer (-T)
|
||||
|
||||
-c NAT collision behavior discovery
|
||||
|
||||
-H NAT hairpinning behavior discovery
|
||||
|
||||
-P Add 1500 byte Padding to the behavior discovery
|
||||
Applicable with all except NAT mapping Lifetime discovery
|
||||
|
||||
Options with required values:
|
||||
|
||||
-p STUN server port (Default: 3478)
|
||||
|
||||
-L Local address to use (optional)
|
||||
|
||||
-l Local port to use (use with -L)
|
||||
|
||||
-A Secondary Local address (optional)
|
||||
Required for collision discovery
|
||||
|
||||
-T Mapping lifetime timer (sec)
|
||||
Used by mapping lifetime behavior discovery
|
||||
|
||||
Usage:
|
||||
|
||||
$ turnutils_natdiscovery -m -f stun.example.com
|
||||
@ -351,7 +369,7 @@ Usage:
|
||||
$ turnutils_natdiscovery
|
||||
|
||||
===================================
|
||||
|
||||
|
||||
DOCS
|
||||
|
||||
After installation, run the command:
|
||||
@ -397,7 +415,7 @@ new STUN RFC 5389
|
||||
TURN RFC 5766
|
||||
|
||||
TURN-TCP extension RFC 6062
|
||||
|
||||
|
||||
TURN IPv6 extension RFC 6156
|
||||
|
||||
STUN/TURN test vectors RFC 5769
|
||||
@ -443,17 +461,17 @@ SEE ALSO
|
||||
Erik Johnston <erikj@openmarket.com>
|
||||
|
||||
Roman Lisagor <roman@demonware.net>
|
||||
|
||||
|
||||
Vladimir Tsanev <tsachev@gmail.com>
|
||||
|
||||
|
||||
Po-sheng Lin <personlin118@gmail.com>
|
||||
|
||||
|
||||
Peter Dunkley <peter.dunkley@acision.com>
|
||||
|
||||
|
||||
Mutsutoshi Yoshimoto <mutsutoshi.yoshimoto@mixi.co.jp>
|
||||
|
||||
|
||||
Federico Pinna <fpinna@vivocha.com>
|
||||
|
||||
Bradley T. Hughes <bradleythughes@fastmail.fm>
|
||||
|
||||
Mihaly Meszaros <bakfitty@gmail.com>
|
||||
Mihaly Meszaros <bakfitty@gmail.com>
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
.\" Text automatically generated by txt2man
|
||||
.TH TURN 1 "13 November 2016" "" ""
|
||||
.TH TURN 1 "29 September 2017" "" ""
|
||||
.SH GENERAL INFORMATION
|
||||
|
||||
\fIturnadmin\fP is a TURN administration tool. This tool can be used to manage
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
.\" Text automatically generated by txt2man
|
||||
.TH TURN 1 "13 November 2016" "" ""
|
||||
.TH TURN 1 "29 September 2017" "" ""
|
||||
.SH GENERAL INFORMATION
|
||||
|
||||
The \fBTURN Server\fP project contains the source code of a TURN server and TURN client
|
||||
|
||||
@ -1,41 +1,41 @@
|
||||
.\" Text automatically generated by txt2man
|
||||
.TH TURN 1 "13 November 2016" "" ""
|
||||
.TH TURN 1 "29 September 2017" "" ""
|
||||
.SH GENERAL INFORMATION
|
||||
|
||||
A set of turnutils_* programs provides some utility functionality to be used
|
||||
for testing and for setting up the TURN server.
|
||||
for testing and for setting up the TURN server.
|
||||
.TP
|
||||
.B
|
||||
1.
|
||||
\fIturnutils_uclient\fP: emulates multiple UDP,TCP,TLS or DTLS clients.
|
||||
\fIturnutils_uclient\fP: emulates multiple UDP,TCP,TLS or DTLS clients.
|
||||
(this program is provided for the testing purposes only !)
|
||||
The compiled binary image of this program is located in bin/
|
||||
The compiled binary image of this program is located in bin/
|
||||
sub\-directory.
|
||||
.TP
|
||||
.B
|
||||
2.
|
||||
\fIturnutils_peer\fP: a simple stateless UDP\-only "echo" server,
|
||||
to be used as the final server in relay pattern ("peer"). For every incoming
|
||||
\fIturnutils_peer\fP: a simple stateless UDP\-only "echo" server,
|
||||
to be used as the final server in relay pattern ("peer"). For every incoming
|
||||
UDP packet, it simply echoes it back.
|
||||
(this program is provided for the testing purposes only !)
|
||||
When the test clients are communicating in the client\-to\-client manner
|
||||
(when the "\fIturnutils_uclient\fP" program is used with "\fB\-y\fP" option) then the
|
||||
(this program is provided for the testing purposes only !)
|
||||
When the test clients are communicating in the client\-to\-client manner
|
||||
(when the "\fIturnutils_uclient\fP" program is used with "\fB\-y\fP" option) then the
|
||||
\fIturnutils_peer\fP is not needed.
|
||||
.PP
|
||||
The compiled binary image of this program is located in bin/ subdirectory.
|
||||
.TP
|
||||
.B
|
||||
3.
|
||||
\fIturnutils_stunclient\fP: a simple STUN client example.
|
||||
\fIturnutils_stunclient\fP: a simple STUN client example.
|
||||
The compiled binary image of this program is located in bin/ subdirectory.
|
||||
.TP
|
||||
.B
|
||||
4.
|
||||
\fIturnutils_rfc5769check\fP: a utility that checks the correctness of the
|
||||
\fIturnutils_rfc5769check\fP: a utility that checks the correctness of the
|
||||
STUN/TURN protocol implementation. This utility is used only for the compilation
|
||||
check procedure, it is not copied to the installation destination.
|
||||
.PP
|
||||
In the "examples/scripts" subdirectory, you will find the examples of command lines to be used
|
||||
In the "examples/scripts" subdirectory, you will find the examples of command lines to be used
|
||||
to run the programs. The scripts are meant to be run from examples/ subdirectory, for example:
|
||||
.PP
|
||||
$ cd examples
|
||||
@ -44,10 +44,10 @@ $ ./scripts/secure_relay.sh
|
||||
.TP
|
||||
.B
|
||||
5.
|
||||
\fIturnutils_natdiscovery\fP: a utility that provides NAT behavior discovery
|
||||
according RFC5780. This utility discovers the actual NAT Mapping and Filtering
|
||||
behavior. Be aweare that at least two different listening IP addresses should
|
||||
be configured to be able to work properly!
|
||||
\fIturnutils_natdiscovery\fP: a utility that provides NAT behavior discovery
|
||||
according RFC5780. This utility discovers the actual NAT Mapping and Filtering
|
||||
behavior, etc. Be aware that on TURN server side two different listening IP
|
||||
addresses should be configured to be able to work properly!
|
||||
.TP
|
||||
.B
|
||||
6.
|
||||
@ -69,19 +69,25 @@ script in examples/scripts/oauth.sh.
|
||||
\fB
|
||||
\fBturnutils_uclient \fP\- this client emulation application is supplied for the test purposes only.
|
||||
\fB
|
||||
.SS SYNOPSIS
|
||||
.SS SYNOPSIS
|
||||
.nf
|
||||
.fam C
|
||||
|
||||
$ \fIturnutils_uclient\fP [\fB\-tTSvsyhcxg\fP] [options] <TURN\-Server\-IP\-address>
|
||||
$ \fIturnutils_uclient\fP [\fB\-tTSvsyhcxg\fP] [\fIoptions\fP] <TURN\-Server\-IP\-address>
|
||||
|
||||
.fam T
|
||||
.fi
|
||||
.fam T
|
||||
.fi
|
||||
.SS DESCRIPTION
|
||||
|
||||
It was designed to simulate multiple clients. It uses asynch IO API in
|
||||
libevent to handle multiple clients. A client connects to the relay,
|
||||
negotiates the session, and sends multiple (configured number) messages to the server (relay),
|
||||
expecting the same number of replies. The length of the messages is configurable.
|
||||
The message is an arbitrary octet stream.
|
||||
It was designed to simulate multiple clients. It uses asynch IO API in
|
||||
libevent to handle multiple clients. A client connects to the relay,
|
||||
negotiates the session, and sends multiple (configured number) messages to the server (relay),
|
||||
expecting the same number of replies. The length of the messages is configurable.
|
||||
The message is an arbitrary octet stream.
|
||||
The number of the messages to send is configurable.
|
||||
.TP
|
||||
.B
|
||||
.PP
|
||||
Flags:
|
||||
.TP
|
||||
.B
|
||||
@ -94,8 +100,8 @@ Use SCTP for communications between client and TURN server (default is UDP).
|
||||
.TP
|
||||
.B
|
||||
\fB\-T\fP
|
||||
Use TCP for the relay transport (default \- UDP). Implies options \fB\-t\fP, \fB\-y\fP, \fB\-c\fP,
|
||||
and ignores flags and options \fB\-s\fP, \fB\-e\fP, \fB\-r\fP and \fB\-g\fP. Can be used together
|
||||
Use TCP for the relay transport (default \- UDP). Implies \fIoptions\fP \fB\-t\fP, \fB\-y\fP, \fB\-c\fP,
|
||||
and ignores flags and \fIoptions\fP \fB\-s\fP, \fB\-e\fP, \fB\-r\fP and \fB\-g\fP. Can be used together
|
||||
with \fB\-b\fP.
|
||||
.TP
|
||||
.B
|
||||
@ -120,7 +126,7 @@ Use "Send" method in TURN; by default, it uses TURN Channels.
|
||||
.TP
|
||||
.B
|
||||
\fB\-y\fP
|
||||
Use client\-to\-client connections:
|
||||
Use client\-to\-client connections:
|
||||
RTP/RTCP pair of channels to another RTP/RTCP pair of channels.
|
||||
with this option the \fIturnutils_peer\fP application is not used,
|
||||
as the allocated relay endpoints are talking to each other.
|
||||
@ -185,8 +191,7 @@ Dual allocation (SSODA). Implies \fB\-c\fP option.
|
||||
.B
|
||||
\fB\-J\fP
|
||||
Use oAuth with default test key kid='north'.
|
||||
.TP
|
||||
.B
|
||||
.PP
|
||||
Options with required values:
|
||||
.TP
|
||||
.B
|
||||
@ -224,7 +229,7 @@ Local IP address (optional).
|
||||
.TP
|
||||
.B
|
||||
\fB\-m\fP
|
||||
Number of clients (Default: 1, 2 or 4, depending on options).
|
||||
Number of clients (Default: 1, 2 or 4, depending on \fIoptions\fP).
|
||||
.TP
|
||||
.B
|
||||
\fB\-e\fP
|
||||
@ -255,7 +260,7 @@ value set in the configuration file if using static.
|
||||
.TP
|
||||
.B
|
||||
\fB\-C\fP
|
||||
This is the timestamp/username separator symbol (character) in
|
||||
This is the timestamp/username separator symbol (character) in
|
||||
TURN REST API. The default value is :.
|
||||
.TP
|
||||
.B
|
||||
@ -290,8 +295,7 @@ $ \fIturnutils_peer\fP [\fB\-v\fP] [\fIoptions\fP]
|
||||
.SS DESCRIPTION
|
||||
|
||||
This application is used for the test purposes only, as a peer for the \fIturnutils_uclient\fP application.
|
||||
.TP
|
||||
.B
|
||||
.PP
|
||||
Options with required values:
|
||||
.TP
|
||||
.B
|
||||
@ -329,8 +333,7 @@ $ \fIturnutils_stunclient\fP [\fIoptions\fP] <STUN\-Server\-IP\-address>
|
||||
.SS DESCRIPTION
|
||||
|
||||
It sends a "new" STUN RFC 5389 request (over UDP) and shows the reply information.
|
||||
.TP
|
||||
.B
|
||||
.PP
|
||||
Options with required values:
|
||||
.TP
|
||||
.B
|
||||
@ -345,9 +348,9 @@ Local address to use (optional).
|
||||
\fB\-f\fP
|
||||
Force RFC 5780 processing.
|
||||
.PP
|
||||
The \fIturnutils_stunclient\fP program checks the results of the first request,
|
||||
and if it finds that the STUN server supports RFC 5780
|
||||
(the binding response reveals that) then the \fIturnutils_stunclient\fP makes a couple more
|
||||
The \fIturnutils_stunclient\fP program checks the results of the first request,
|
||||
and if it finds that the STUN server supports RFC 5780
|
||||
(the binding response reveals that) then the \fIturnutils_stunclient\fP makes a couple more
|
||||
requests with different parameters, to demonstrate the NAT discovery capabilities.
|
||||
.PP
|
||||
This utility does not support the "old" "classic" STUN protocol (RFC 3489).
|
||||
@ -369,12 +372,11 @@ $ \fIturnutils_rfc5769check\fP
|
||||
.fi
|
||||
.SS DESCRIPTION
|
||||
|
||||
\fIturnutils_rfc5769check\fP tests the correctness of STUN protocol implementation
|
||||
against the test vectors predefined in RFC 5769 and prints the results of the
|
||||
\fIturnutils_rfc5769check\fP tests the correctness of STUN protocol implementation
|
||||
against the test vectors predefined in RFC 5769 and prints the results of the
|
||||
tests on the screen. This utility is used only for the compilation
|
||||
check procedure, it is not copied to the installation destination.
|
||||
.TP
|
||||
.B
|
||||
.PP
|
||||
Usage:
|
||||
.PP
|
||||
$ \fIturnutils_rfc5769check\fP
|
||||
@ -397,13 +399,13 @@ $ \fIturnutils_natdiscovery\fP [\fIoptions\fP] <STUN\-Server\-FQDN\-or\-IP\-addr
|
||||
.fi
|
||||
.SS DESCRIPTION
|
||||
|
||||
\fIturnutils_natdiscovery\fP discovers the NAT Mapping and Filtering behavior, to
|
||||
determine if that NAT is currently using Endpoint\-Independent,
|
||||
Address\-Dependent, or Address and Port\-Dependent Mapping and/or to determine if
|
||||
that NAT is currently using Endpoint\-Independent, Address\-Dependent, or Address
|
||||
and Port\-Dependent Filtering.
|
||||
\fIturnutils_natdiscovery\fP discovers the NAT Mapping and Filtering behavior, to
|
||||
determine if that NAT is currently using Endpoint\-Independent,
|
||||
Address\-Dependent, or Address and Port\-Dependent Mapping and/or to determine if
|
||||
that NAT is currently using Endpoint\-Independent, Address\-Dependent, or Address
|
||||
and Port\-Dependent Filtering.
|
||||
.PP
|
||||
Use either \fB\-m\fP and/or \fB\-f\fP flag to discover NAT Mapping and/or Filtering.
|
||||
Use either \fB\-m\fP, \fB\-f\fP, \fB\-c\fP, \fB\-H\fP flag to discover NAT behavior.
|
||||
.PP
|
||||
Flags:
|
||||
.TP
|
||||
@ -414,6 +416,24 @@ NAT mapping behavior discovery
|
||||
.B
|
||||
\fB\-f\fP
|
||||
NAT filtering behavior discovery
|
||||
.TP
|
||||
.B
|
||||
\fB\-t\fP
|
||||
NAT mapping lifetime behavior discovery
|
||||
Requires a timer (\fB\-T\fP)
|
||||
.TP
|
||||
.B
|
||||
\fB\-c\fP
|
||||
NAT collision behavior discovery
|
||||
.TP
|
||||
.B
|
||||
\fB\-H\fP
|
||||
NAT hairpinning behavior discovery
|
||||
.TP
|
||||
.B
|
||||
\fB\-P\fP
|
||||
Add 1500 byte Padding to the behavior discovery
|
||||
Applicable with all except NAT mapping Lifetime discovery
|
||||
.PP
|
||||
Options with required values:
|
||||
.TP
|
||||
@ -424,6 +444,20 @@ STUN server port (Default: 3478)
|
||||
.B
|
||||
\fB\-L\fP
|
||||
Local address to use (optional)
|
||||
.TP
|
||||
.B
|
||||
\fB\-l\fP
|
||||
Local port to use (use with \fB\-L\fP)
|
||||
.TP
|
||||
.B
|
||||
\fB\-A\fP
|
||||
Secondary Local address (optional)
|
||||
Required for collision discovery
|
||||
.TP
|
||||
.B
|
||||
\fB\-T\fP
|
||||
Mapping lifetime timer (sec)
|
||||
Used by mapping lifetime behavior discovery
|
||||
.PP
|
||||
Usage:
|
||||
.PP
|
||||
@ -635,5 +669,6 @@ Mutsutoshi Yoshimoto <mutsutoshi.yoshimoto@mixi.co.jp>
|
||||
Federico Pinna <fpinna@vivocha.com>
|
||||
.PP
|
||||
Bradley T. Hughes <bradleythughes@fastmail.fm>
|
||||
.RE
|
||||
.PP
|
||||
Mihaly Meszaros <bakfitty@gmail.com>
|
||||
|
||||
@ -1,32 +1,32 @@
|
||||
/*
|
||||
* Copyright (C) 2011, 2012, 2013 Citrix Systems
|
||||
*
|
||||
* 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. Neither the name of the project nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, 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.
|
||||
*/
|
||||
* Copyright (C) 2011, 2012, 2013 Citrix Systems
|
||||
*
|
||||
* 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. Neither the name of the project nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, 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.
|
||||
*/
|
||||
|
||||
#include <err.h>
|
||||
#include <stdlib.h>
|
||||
@ -44,38 +44,43 @@
|
||||
#endif
|
||||
|
||||
////////////////////////////////////////////////////
|
||||
|
||||
static int udp_fd = -1;
|
||||
static ioa_addr real_local_addr;
|
||||
static int udp_fd2 = -1;
|
||||
|
||||
static int counter = 0;
|
||||
|
||||
#ifdef __cplusplus
|
||||
|
||||
static int run_stunclient(ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_addr *other_addr, int *port, int *rfc5780, int response_port, int change_ip, int change_port, int padding)
|
||||
{
|
||||
|
||||
static int init_socket(int *socketfd, ioa_addr *local_addr, int local_port, ioa_addr *remote_addr){
|
||||
int ret=0;
|
||||
|
||||
if (response_port >= 0) {
|
||||
addr_set_port(&real_local_addr, response_port);
|
||||
if (local_port >= 0) {
|
||||
addr_set_port(local_addr, local_port);
|
||||
}
|
||||
udp_fd = socket(remote_addr->ss.sa_family, SOCK_DGRAM, 0);
|
||||
|
||||
*socketfd = socket(remote_addr->ss.sa_family, SOCK_DGRAM, 0);
|
||||
if (udp_fd < 0)
|
||||
err(-1, NULL);
|
||||
err(-1, NULL);
|
||||
|
||||
if (!addr_any(&real_local_addr)) {
|
||||
if (addr_bind(udp_fd, &real_local_addr,0,1,UDP_SOCKET) < 0)
|
||||
err(-1, NULL);
|
||||
if (!addr_any(local_addr)) {
|
||||
if (addr_bind(*socketfd, local_addr,0,1,UDP_SOCKET) < 0)
|
||||
err(-1, NULL);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static int stunclient_send(int sockfd, ioa_addr *local_addr, int *local_port, ioa_addr *remote_addr, int change_ip, int change_port, int padding, int response_port){
|
||||
int ret=0;
|
||||
|
||||
turn::StunMsgRequest req(STUN_METHOD_BINDING);
|
||||
|
||||
req.constructBindingRequest();
|
||||
|
||||
if (response_port >= 0) {
|
||||
turn::StunAttrResponsePort rpa;
|
||||
turn::StunAttrResponsePort rpa;
|
||||
rpa.setResponsePort((u16bits)response_port);
|
||||
try {
|
||||
req.addAttr(rpa);
|
||||
@ -129,20 +134,28 @@ static int run_stunclient(ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_a
|
||||
int slen = get_ioa_addr_len(remote_addr);
|
||||
|
||||
do {
|
||||
len = sendto(udp_fd, req.getRawBuffer(), req.getSize(), 0, (struct sockaddr*) remote_addr, (socklen_t) slen);
|
||||
len = sendto(sockfd, req.getRawBuffer(), req.getSize(), 0, (struct sockaddr*) remote_addr, (socklen_t) slen);
|
||||
} while (len < 0 && ((errno == EINTR) || (errno == ENOBUFS) || (errno == EAGAIN)));
|
||||
|
||||
if (len < 0)
|
||||
err(-1, NULL);
|
||||
err(-1, NULL);
|
||||
|
||||
}
|
||||
|
||||
if (addr_get_from_sock(udp_fd, &real_local_addr) < 0) {
|
||||
if (addr_get_from_sock(sockfd, local_addr) < 0) {
|
||||
printf("%s: Cannot get address from local socket\n", __FUNCTION__);
|
||||
} else {
|
||||
*port = addr_get_port(&real_local_addr);
|
||||
*local_port = addr_get_port(local_addr);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static int stunclient_receive(int sockfd, ioa_addr *local_addr, ioa_addr *reflexive_addr, ioa_addr *other_addr, int *rfc5780){
|
||||
int ret=0;
|
||||
|
||||
|
||||
{
|
||||
int len = 0;
|
||||
stun_buffer buf;
|
||||
@ -154,10 +167,10 @@ static int run_stunclient(ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_a
|
||||
tv.tv_sec = 3; /* 3 Secs Timeout */
|
||||
tv.tv_usec = 0; // Not init'ing this can cause strange errors
|
||||
|
||||
setsockopt(udp_fd, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv,sizeof(struct timeval));
|
||||
setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv,sizeof(struct timeval));
|
||||
|
||||
do {
|
||||
len = recv(udp_fd, ptr, to_recv - recvd, 0);
|
||||
len = recv(sockfd, ptr, to_recv - recvd, 0);
|
||||
if (len > 0) {
|
||||
recvd += len;
|
||||
ptr += len;
|
||||
@ -165,15 +178,19 @@ static int run_stunclient(ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_a
|
||||
}
|
||||
} while (len < 0 && (errno == EINTR));
|
||||
|
||||
if ((errno == EAGAIN) || (errno == EWOULDBLOCK)) {
|
||||
printf("STUN receive timeout..\n");
|
||||
ret = 1;
|
||||
return ret;
|
||||
}
|
||||
if (recvd > 0)
|
||||
len = recvd;
|
||||
len = recvd;
|
||||
buf.len = len;
|
||||
|
||||
try {
|
||||
turn::StunMsgResponse res(buf.buf, sizeof(buf.buf), (size_t)buf.len, true);
|
||||
|
||||
if (res.isCommand()) {
|
||||
|
||||
if(res.isSuccess()) {
|
||||
|
||||
if (res.isBindingResponse()) {
|
||||
@ -189,20 +206,33 @@ static int run_stunclient(ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_a
|
||||
*rfc5780 = 1;
|
||||
printf("\n========================================\n");
|
||||
printf("RFC 5780 response %d\n",++counter);
|
||||
turn::StunAttrAddr addr1(iter1);
|
||||
addr1.getAddr(*other_addr);
|
||||
turn::StunAttrIterator iter2(res,STUN_ATTRIBUTE_RESPONSE_ORIGIN);
|
||||
turn::StunAttrIterator iter2(res,STUN_ATTRIBUTE_MAPPED_ADDRESS);
|
||||
if (!iter2.eof()) {
|
||||
ioa_addr response_origin;
|
||||
ioa_addr mapped_addr;
|
||||
addr_set_any(&mapped_addr);
|
||||
turn::StunAttrAddr addr2(iter2);
|
||||
addr2.getAddr(response_origin);
|
||||
addr2.getAddr(mapped_addr);
|
||||
if (!addr_eq(&mapped_addr,reflexive_addr)){
|
||||
printf("-= ALG detected! Mapped and XOR-Mapped differ! =-\n");
|
||||
addr_debug_print(1, &mapped_addr, "Mapped Address: ");
|
||||
} else {
|
||||
printf("No ALG: Mapped == XOR-Mapped\n");
|
||||
}
|
||||
} else {
|
||||
printf("Not received mapped address attribute!\n");
|
||||
} turn::StunAttrAddr addr1(iter1);
|
||||
addr1.getAddr(*other_addr);
|
||||
turn::StunAttrIterator iter3(res,STUN_ATTRIBUTE_RESPONSE_ORIGIN);
|
||||
if (!iter3.eof()) {
|
||||
ioa_addr response_origin;
|
||||
turn::StunAttrAddr addr3(iter3);
|
||||
addr3.getAddr(response_origin);
|
||||
addr_debug_print(1, &response_origin, "Response origin: ");
|
||||
}
|
||||
addr_debug_print(1, other_addr, "Other addr: ");
|
||||
}
|
||||
addr_debug_print(1, reflexive_addr, "UDP reflexive addr");
|
||||
addr_debug_print(1, &real_local_addr, "Local addr: ");
|
||||
|
||||
addr_debug_print(1, local_addr, "Local addr: ");
|
||||
} else {
|
||||
printf("Cannot read the response\n");
|
||||
}
|
||||
@ -219,50 +249,117 @@ static int run_stunclient(ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_a
|
||||
printf("The response is not a reponse message\n");
|
||||
}
|
||||
} catch(...) {
|
||||
if ((errno == EAGAIN) || (errno == EWOULDBLOCK)) {
|
||||
printf("STUN receive timeout..\n");
|
||||
}else{
|
||||
turn::StunMsgRequest msg(buf.buf, sizeof(buf.buf), (size_t)buf.len, true);
|
||||
if (msg.isRequest(buf.buf,(size_t)buf.len)) {
|
||||
printf("Received a request (maybe a successful hairpinning)\n");
|
||||
return ret;
|
||||
} else {
|
||||
printf("The response is not a well formed STUN message\n");
|
||||
}
|
||||
ret=1;
|
||||
ret=1;
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static int run_stunclient(ioa_addr *local_addr, ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_addr *other_addr, int *local_port, int *rfc5780, int change_ip, int change_port, int padding){
|
||||
int ret=0;
|
||||
|
||||
ret=init_socket(&udp_fd, local_addr, *local_port, remote_addr);
|
||||
ret=stunclient_send(udp_fd, local_addr, local_port, remote_addr, change_ip, change_port, padding, -1);
|
||||
ret=stunclient_receive(udp_fd, local_addr, reflexive_addr, other_addr, rfc5780);
|
||||
close(udp_fd);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static int run_stunclient_hairpinning(ioa_addr *local_addr, ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_addr *other_addr, int *local_port, int *rfc5780, int change_ip, int change_port, int padding){
|
||||
int ret=0;
|
||||
|
||||
init_socket(&udp_fd,local_addr,*local_port,remote_addr);
|
||||
|
||||
ret=stunclient_send(udp_fd, local_addr, local_port, remote_addr, change_ip, change_port, padding, -1);
|
||||
ret=stunclient_receive(udp_fd, local_addr, reflexive_addr, other_addr, rfc5780);
|
||||
|
||||
|
||||
addr_cpy(remote_addr,reflexive_addr);
|
||||
addr_set_port(local_addr, 0);
|
||||
|
||||
init_socket(&udp_fd2,local_addr,0,remote_addr);
|
||||
|
||||
ret=stunclient_send(udp_fd2, local_addr, local_port, remote_addr, change_ip, change_port, padding, -1);
|
||||
ret=stunclient_receive(udp_fd, local_addr, reflexive_addr, other_addr, rfc5780);
|
||||
|
||||
if(ret){
|
||||
ret=stunclient_receive(udp_fd2, local_addr, reflexive_addr, other_addr, rfc5780);
|
||||
}
|
||||
close(udp_fd);
|
||||
close(udp_fd2);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int run_stunclient_lifetime(int timer,ioa_addr *local_addr, ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_addr *other_addr, int *local_port, int *rfc5780, int change_ip, int change_port, int padding){
|
||||
int ret=0;
|
||||
int response_port;
|
||||
|
||||
init_socket(&udp_fd, local_addr, *local_port, remote_addr);
|
||||
|
||||
ret=stunclient_send(udp_fd, local_addr, local_port, remote_addr, change_ip, change_port, padding, -1);
|
||||
ret=stunclient_receive(udp_fd, local_addr, reflexive_addr, other_addr, rfc5780);
|
||||
|
||||
addr_set_port(local_addr, 0);
|
||||
sleep(timer);
|
||||
|
||||
init_socket(&udp_fd2,local_addr,0,remote_addr);
|
||||
response_port=addr_get_port(reflexive_addr);
|
||||
|
||||
ret=stunclient_send(udp_fd2, local_addr, local_port, remote_addr, change_ip, change_port, padding, response_port);
|
||||
ret=stunclient_receive(udp_fd, local_addr, reflexive_addr, other_addr, rfc5780);
|
||||
|
||||
socket_closesocket(udp_fd);
|
||||
socket_closesocket(udp_fd2);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
static int run_stunclient(ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_addr *other_addr, int *port, int *rfc5780, int response_port, int change_ip, int change_port, int padding)
|
||||
{
|
||||
static int init_socket(int *socketfd, ioa_addr *local_addr, int local_port, ioa_addr *remote_addr){
|
||||
int ret=0;
|
||||
stun_buffer buf;
|
||||
|
||||
udp_fd = socket(remote_addr->ss.sa_family, CLIENT_DGRAM_SOCKET_TYPE, CLIENT_DGRAM_SOCKET_PROTOCOL);
|
||||
*socketfd = socket(remote_addr->ss.sa_family, CLIENT_DGRAM_SOCKET_TYPE, CLIENT_DGRAM_SOCKET_PROTOCOL);
|
||||
if (udp_fd < 0)
|
||||
err(-1, NULL);
|
||||
err(-1, NULL);
|
||||
|
||||
if (!addr_any(&real_local_addr)) {
|
||||
if (response_port >= 0) {
|
||||
addr_set_port(&real_local_addr, response_port);
|
||||
}
|
||||
if (addr_bind(udp_fd, &real_local_addr,0,1,UDP_SOCKET) < 0) {
|
||||
if (local_port >= 0) {
|
||||
addr_set_port(local_addr, local_port);
|
||||
}
|
||||
if (!addr_any(local_addr)) {
|
||||
if (addr_bind(*socketfd, local_addr,0,1,UDP_SOCKET) < 0) {
|
||||
err(-1, NULL);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
stun_prepare_binding_request(&buf);
|
||||
static int stunclient_send(stun_buffer *buf, int sockfd, ioa_addr *local_addr, int *local_port, ioa_addr *remote_addr, int change_ip, int change_port, int padding, int response_port){
|
||||
int ret=0;
|
||||
|
||||
stun_prepare_binding_request(buf);
|
||||
|
||||
if (response_port >= 0) {
|
||||
stun_attr_add_response_port_str((u08bits*) (buf.buf), (size_t*) &(buf.len), (u16bits) response_port);
|
||||
stun_attr_add_response_port_str((u08bits*) (buf->buf), (size_t*) &(buf->len), (u16bits) response_port);
|
||||
}
|
||||
if (change_ip || change_port) {
|
||||
stun_attr_add_change_request_str((u08bits*) buf.buf, (size_t*) &(buf.len), change_ip, change_port);
|
||||
stun_attr_add_change_request_str((u08bits*) buf->buf, (size_t*) &(buf->len), change_ip, change_port);
|
||||
}
|
||||
if (padding) {
|
||||
if(stun_attr_add_padding_str((u08bits*) buf.buf, (size_t*) &(buf.len), 1500)<0) {
|
||||
if(stun_attr_add_padding_str((u08bits*) buf->buf, (size_t*) &(buf->len), 1500)<0) {
|
||||
printf("%s: ERROR: Cannot add padding\n",__FUNCTION__);
|
||||
}
|
||||
}
|
||||
@ -272,35 +369,42 @@ static int run_stunclient(ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_a
|
||||
int slen = get_ioa_addr_len(remote_addr);
|
||||
|
||||
do {
|
||||
len = sendto(udp_fd, buf.buf, buf.len, 0, (struct sockaddr*) remote_addr, (socklen_t) slen);
|
||||
len = sendto(sockfd, buf->buf, buf->len, 0, (struct sockaddr*) remote_addr, (socklen_t) slen);
|
||||
} while (len < 0 && ((errno == EINTR) || (errno == ENOBUFS) || (errno == EAGAIN)));
|
||||
|
||||
if (len < 0)
|
||||
err(-1, NULL);
|
||||
err(-1, NULL);
|
||||
|
||||
}
|
||||
|
||||
if (addr_get_from_sock(udp_fd, &real_local_addr) < 0) {
|
||||
if (addr_get_from_sock(sockfd, local_addr) < 0) {
|
||||
printf("%s: Cannot get address from local socket\n", __FUNCTION__);
|
||||
} else {
|
||||
*port = addr_get_port(&real_local_addr);
|
||||
*local_port = addr_get_port(local_addr);
|
||||
}
|
||||
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static int stunclient_receive(stun_buffer *buf, int sockfd, ioa_addr *local_addr, ioa_addr *reflexive_addr, ioa_addr *other_addr, int *rfc5780){
|
||||
int ret=0;
|
||||
|
||||
|
||||
{
|
||||
int len = 0;
|
||||
u08bits *ptr = buf.buf;
|
||||
u08bits *ptr = buf->buf;
|
||||
int recvd = 0;
|
||||
const int to_recv = sizeof(buf.buf);
|
||||
const int to_recv = sizeof(buf->buf);
|
||||
struct timeval tv;
|
||||
|
||||
tv.tv_sec = 3; /* 3 Secs Timeout */
|
||||
tv.tv_usec = 0; // Not init'ing this can cause strange errors
|
||||
|
||||
setsockopt(udp_fd, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv,sizeof(struct timeval));
|
||||
setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv,sizeof(struct timeval));
|
||||
|
||||
do {
|
||||
len = recv(udp_fd, ptr, to_recv - recvd, 0);
|
||||
len = recv(sockfd, ptr, to_recv - recvd, 0);
|
||||
if (len > 0) {
|
||||
recvd += len;
|
||||
ptr += len;
|
||||
@ -309,37 +413,48 @@ static int run_stunclient(ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_a
|
||||
} while (len < 0 && (errno == EINTR));
|
||||
|
||||
if (recvd > 0)
|
||||
len = recvd;
|
||||
buf.len = len;
|
||||
len = recvd;
|
||||
buf->len = len;
|
||||
|
||||
if (stun_is_command_message(&buf)) {
|
||||
if (stun_is_command_message(buf)) {
|
||||
|
||||
if (stun_is_response(&buf)) {
|
||||
if (stun_is_response(buf)) {
|
||||
|
||||
if (stun_is_success_response(&buf)) {
|
||||
if (stun_is_success_response(buf)) {
|
||||
|
||||
if (stun_is_binding_response(&buf)) {
|
||||
if (stun_is_binding_response(buf)) {
|
||||
|
||||
addr_set_any(reflexive_addr);
|
||||
if (stun_attr_get_first_addr(&buf, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, reflexive_addr, NULL) >= 0) {
|
||||
if (stun_attr_get_first_addr(buf, STUN_ATTRIBUTE_XOR_MAPPED_ADDRESS, reflexive_addr, NULL) >= 0) {
|
||||
|
||||
stun_attr_ref sar = stun_attr_get_first_by_type_str(buf.buf, buf.len, STUN_ATTRIBUTE_OTHER_ADDRESS);
|
||||
stun_attr_ref sar = stun_attr_get_first_by_type_str(buf->buf, buf->len, STUN_ATTRIBUTE_OTHER_ADDRESS);
|
||||
if (sar) {
|
||||
*rfc5780 = 1;
|
||||
printf("\n========================================\n");
|
||||
printf("RFC 5780 response %d\n",++counter);
|
||||
stun_attr_get_addr_str((u08bits *) buf.buf, (size_t) buf.len, sar, other_addr, NULL);
|
||||
sar = stun_attr_get_first_by_type_str(buf.buf, buf.len, STUN_ATTRIBUTE_RESPONSE_ORIGIN);
|
||||
ioa_addr mapped_addr;
|
||||
addr_set_any(&mapped_addr);
|
||||
if (stun_attr_get_first_addr(buf, STUN_ATTRIBUTE_MAPPED_ADDRESS, &mapped_addr, NULL) >= 0) {
|
||||
if (!addr_eq(&mapped_addr,reflexive_addr)){
|
||||
printf("-= ALG detected! Mapped and XOR-Mapped differ! =-\n");
|
||||
addr_debug_print(1, &mapped_addr, "Mapped Address: ");
|
||||
}else {
|
||||
printf("No ALG: Mapped == XOR-Mapped\n");
|
||||
}
|
||||
} else {
|
||||
printf("Not received mapped address attribute.\n");
|
||||
}
|
||||
stun_attr_get_addr_str((u08bits *) buf->buf, (size_t) buf->len, sar, other_addr, NULL);
|
||||
sar = stun_attr_get_first_by_type_str(buf->buf, buf->len, STUN_ATTRIBUTE_RESPONSE_ORIGIN);
|
||||
if (sar) {
|
||||
ioa_addr response_origin;
|
||||
stun_attr_get_addr_str((u08bits *) buf.buf, (size_t) buf.len, sar, &response_origin, NULL);
|
||||
stun_attr_get_addr_str((u08bits *) buf->buf, (size_t) buf->len, sar, &response_origin, NULL);
|
||||
addr_debug_print(1, &response_origin, "Response origin: ");
|
||||
}
|
||||
addr_debug_print(1, other_addr, "Other addr: ");
|
||||
}
|
||||
addr_debug_print(1, reflexive_addr, "UDP reflexive addr");
|
||||
addr_debug_print(1, &real_local_addr, "Local addr: ");
|
||||
|
||||
addr_debug_print(1, local_addr, "Local addr: ");
|
||||
} else {
|
||||
printf("Cannot read the response\n");
|
||||
}
|
||||
@ -350,12 +465,14 @@ static int run_stunclient(ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_a
|
||||
int err_code = 0;
|
||||
u08bits err_msg[1025] = "\0";
|
||||
size_t err_msg_size = sizeof(err_msg);
|
||||
if (stun_is_error_response(&buf, &err_code, err_msg, err_msg_size)) {
|
||||
if (stun_is_error_response(buf, &err_code, err_msg, err_msg_size)) {
|
||||
printf("The response is an error %d (%s)\n", err_code, (char*) err_msg);
|
||||
} else {
|
||||
printf("The response is an unrecognized error\n");
|
||||
}
|
||||
}
|
||||
} else if (stun_is_request(buf)) {
|
||||
printf("Received a request (maybe a successful hairpinning)\n");
|
||||
} else {
|
||||
printf("The response is not a reponse message\n");
|
||||
ret=1;
|
||||
@ -370,40 +487,120 @@ static int run_stunclient(ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_a
|
||||
}
|
||||
}
|
||||
|
||||
socket_closesocket(udp_fd);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static int run_stunclient(ioa_addr *local_addr, ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_addr *other_addr, int *local_port, int *rfc5780, int change_ip, int change_port, int padding){
|
||||
int ret=0;
|
||||
stun_buffer buf;
|
||||
|
||||
init_socket(&udp_fd, local_addr, *local_port, remote_addr);
|
||||
|
||||
ret=stunclient_send(&buf, udp_fd, local_addr, local_port, remote_addr, change_ip, change_port, padding, -1);
|
||||
ret=stunclient_receive(&buf, udp_fd, local_addr, reflexive_addr, other_addr, rfc5780);
|
||||
|
||||
socket_closesocket(udp_fd);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int run_stunclient_hairpinning(ioa_addr *local_addr, ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_addr *other_addr, int *local_port, int *rfc5780, int change_ip, int change_port, int padding){
|
||||
int ret=0;
|
||||
stun_buffer buf;
|
||||
stun_buffer buf2;
|
||||
|
||||
init_socket(&udp_fd, local_addr, *local_port, remote_addr);
|
||||
|
||||
ret=stunclient_send(&buf, udp_fd, local_addr, local_port, remote_addr, change_ip, change_port, padding, -1);
|
||||
ret=stunclient_receive(&buf, udp_fd, local_addr, reflexive_addr, other_addr, rfc5780);
|
||||
|
||||
|
||||
addr_cpy(remote_addr,reflexive_addr);
|
||||
addr_set_port(local_addr, 0);
|
||||
|
||||
init_socket(&udp_fd2,local_addr,0,remote_addr);
|
||||
|
||||
ret=stunclient_send(&buf2, udp_fd2, local_addr, local_port, remote_addr, change_ip, change_port, padding, -1);
|
||||
ret=stunclient_receive(&buf, udp_fd, local_addr, reflexive_addr, other_addr, rfc5780);
|
||||
|
||||
if(ret){
|
||||
ret=stunclient_receive(&buf2, udp_fd2, local_addr, reflexive_addr, other_addr, rfc5780);
|
||||
}
|
||||
|
||||
socket_closesocket(udp_fd);
|
||||
socket_closesocket(udp_fd2);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static int run_stunclient_lifetime(int timer,ioa_addr *local_addr, ioa_addr *remote_addr, ioa_addr *reflexive_addr, ioa_addr *other_addr, int *local_port, int *rfc5780, int change_ip, int change_port, int padding){
|
||||
int ret=0;
|
||||
stun_buffer buf;
|
||||
stun_buffer buf2;
|
||||
int response_port;
|
||||
|
||||
init_socket(&udp_fd, local_addr, *local_port, remote_addr);
|
||||
|
||||
ret=stunclient_send(&buf, udp_fd, local_addr, local_port, remote_addr, change_ip, change_port, padding, -1);
|
||||
ret=stunclient_receive(&buf, udp_fd, local_addr, reflexive_addr, other_addr, rfc5780);
|
||||
|
||||
addr_set_port(local_addr, 0);
|
||||
sleep(timer);
|
||||
|
||||
init_socket(&udp_fd2,local_addr,0,remote_addr);
|
||||
response_port=addr_get_port(reflexive_addr);
|
||||
|
||||
ret=stunclient_send(&buf2, udp_fd2, local_addr, local_port, remote_addr, change_ip, change_port, padding, response_port);
|
||||
ret=stunclient_receive(&buf, udp_fd, local_addr, reflexive_addr, other_addr, rfc5780);
|
||||
|
||||
socket_closesocket(udp_fd);
|
||||
socket_closesocket(udp_fd2);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
//////////////// local definitions /////////////////
|
||||
|
||||
static char Usage[] =
|
||||
"Usage: natdiscovery [options] address\n"
|
||||
"Options:\n"
|
||||
" -m NAT mapping behavior discovery\n"
|
||||
" -f NAT filtering behavior discovery\n"
|
||||
" -p STUN server port (Default: 3478)\n"
|
||||
" -L Local address to use (optional)\n";
|
||||
"Usage: natdiscovery [options] address\n"
|
||||
"Options:\n"
|
||||
" -m NAT mapping behavior discovery\n"
|
||||
" -f NAT filtering behavior discovery\n"
|
||||
" -t NAT mapping lifetime behavior discovery\n"
|
||||
" Requires a timer (-T)\n"
|
||||
" -c NAT collision behavior discovery\n"
|
||||
" Requires an alternative IP address (-A)\n"
|
||||
" -H NAT hairpinning behavior discovery\n"
|
||||
" -P Add 1500 byte Padding to the behavior discovery\n"
|
||||
" Applicable with all except NAT mapping Lifetime discovery\n"
|
||||
" -p STUN server port (Default: 3478)\n"
|
||||
" -L Local address to use (optional)\n"
|
||||
" -l Local port to use (use with -L)\n"
|
||||
" -A Local alrernative address to use\n"
|
||||
" Used by collision behavior discovery\n"
|
||||
" -T Mapping lifetime timer (sec)\n"
|
||||
" Used by mapping lifetime behavior discovery\n";
|
||||
|
||||
//////////////////////////////////////////////////
|
||||
|
||||
static void init(ioa_addr *real_local_addr,ioa_addr *remote_addr,int *local_port,int port, int *rfc5780, char* local_addr, char* remote_param)
|
||||
static void init(int first, ioa_addr *local_addr, ioa_addr *remote_addr, int *local_port, int port, int *rfc5780, char* local_addr_string, char* remote_param)
|
||||
{
|
||||
addr_set_any(real_local_addr);
|
||||
addr_set_any(local_addr);
|
||||
|
||||
if(local_addr[0]) {
|
||||
if(make_ioa_addr((const u08bits*)local_addr, 0, real_local_addr)<0) {
|
||||
err(-1,NULL);
|
||||
}
|
||||
}
|
||||
if(local_addr_string[0]) {
|
||||
if(make_ioa_addr((const u08bits*)local_addr_string, 0, local_addr)<0) {
|
||||
err(-1,NULL);
|
||||
}
|
||||
}
|
||||
if (!first) *local_port=-1;
|
||||
*rfc5780 = 0;
|
||||
|
||||
*local_port = -1;
|
||||
*rfc5780 = 0;
|
||||
if (addr_any(remote_addr)){
|
||||
if (make_ioa_addr((const u08bits*)remote_param, port, remote_addr) < 0) {
|
||||
err(-1, NULL);
|
||||
}
|
||||
}
|
||||
if (make_ioa_addr((const u08bits*)remote_param, port, remote_addr) < 0)
|
||||
err(-1, NULL);
|
||||
}
|
||||
|
||||
static void discoveryresult(const char *decision){
|
||||
@ -414,113 +611,201 @@ static void discoveryresult(const char *decision){
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int port = DEFAULT_STUN_PORT;
|
||||
char local_addr[256]="\0";
|
||||
int c=0;
|
||||
int mapping = 0;
|
||||
int filtering = 0;
|
||||
int local_port, rfc5780;
|
||||
ioa_addr other_addr, reflexive_addr, tmp_addr, remote_addr, remote_tmp_addr;
|
||||
|
||||
int remote_port = DEFAULT_STUN_PORT;
|
||||
char local_addr_string[256]="\0";
|
||||
char local2_addr_string[256]="\0";
|
||||
int c=0;
|
||||
int mapping = 0;
|
||||
int filtering = 0;
|
||||
int lifetime=0;
|
||||
int timer=-1;
|
||||
int collision = 0;
|
||||
int padding = 0;
|
||||
int hairpinning = 0;
|
||||
int local_port=-1;
|
||||
int rfc5780;
|
||||
int first=1;
|
||||
ioa_addr other_addr, reflexive_addr, tmp_addr, remote_addr, local_addr, local2_addr;
|
||||
|
||||
set_logfile("stdout");
|
||||
set_system_parameters(0);
|
||||
|
||||
ns_bzero(local_addr, sizeof(local_addr));
|
||||
addr_set_any(&remote_addr);
|
||||
addr_set_any(&remote_tmp_addr);
|
||||
addr_set_any(&other_addr);
|
||||
addr_set_any(&reflexive_addr);
|
||||
addr_set_any(&tmp_addr);
|
||||
|
||||
while ((c = getopt(argc, argv, "mfp:L:")) != -1) {
|
||||
switch(c) {
|
||||
case 'm':
|
||||
mapping=1;
|
||||
break;
|
||||
case 'f':
|
||||
filtering=1;
|
||||
break;
|
||||
case 'p':
|
||||
port = atoi(optarg);
|
||||
break;
|
||||
case 'L':
|
||||
STRCPY(local_addr, optarg);
|
||||
break;
|
||||
default:
|
||||
fprintf(stderr,"%s\n", Usage);
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
set_logfile("stdout");
|
||||
set_system_parameters(0);
|
||||
|
||||
if(optind>=argc) {
|
||||
fprintf(stderr, "%s\n", Usage);
|
||||
exit(-1);
|
||||
}
|
||||
ns_bzero(local_addr_string, sizeof(local_addr_string));
|
||||
ns_bzero(local2_addr_string, sizeof(local2_addr_string));
|
||||
addr_set_any(&remote_addr);
|
||||
addr_set_any(&other_addr);
|
||||
addr_set_any(&reflexive_addr);
|
||||
addr_set_any(&tmp_addr);
|
||||
|
||||
init(&real_local_addr, &remote_addr, &local_port, port, &rfc5780, local_addr, argv[optind]);
|
||||
|
||||
if (mapping) {
|
||||
run_stunclient(&remote_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,-1,0,0,0);
|
||||
if (addr_eq(&real_local_addr,&reflexive_addr)){
|
||||
discoveryresult("No NAT! (Endpoint Independent Mapping)");
|
||||
while ((c = getopt(argc, argv, "mftcPHp:L:l:A:T:")) != -1) {
|
||||
switch(c) {
|
||||
case 'm':
|
||||
mapping=1;
|
||||
break;
|
||||
case 'f':
|
||||
filtering=1;
|
||||
break;
|
||||
case 't':
|
||||
lifetime=1;
|
||||
break;
|
||||
case 'c':
|
||||
collision=1;
|
||||
break;
|
||||
case 'H':
|
||||
hairpinning=1;
|
||||
break;
|
||||
case 'P':
|
||||
padding=1;
|
||||
break;
|
||||
case 'p':
|
||||
remote_port = atoi(optarg);
|
||||
break;
|
||||
case 'L':
|
||||
STRCPY(local_addr_string, optarg);
|
||||
break;
|
||||
case 'l':
|
||||
local_port = atoi(optarg);
|
||||
break;
|
||||
case 'A':
|
||||
STRCPY(local2_addr_string, optarg);
|
||||
break;
|
||||
case 'T':
|
||||
timer = atoi(optarg);
|
||||
break;
|
||||
default:
|
||||
fprintf(stderr,"%s\n", Usage);
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
if(rfc5780) {
|
||||
if(!addr_any(&other_addr)){
|
||||
addr_cpy(&tmp_addr, &reflexive_addr);
|
||||
|
||||
addr_cpy(&remote_tmp_addr, &other_addr);
|
||||
addr_set_port(&remote_tmp_addr, port);
|
||||
if(optind>=argc) {
|
||||
fprintf(stderr, "%s\n", Usage);
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
run_stunclient(&remote_tmp_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,-1,0,0,0);
|
||||
if(collision && !strcmp(local2_addr_string,"\0")){
|
||||
fprintf(stderr, "Use \"-A\" to add an Alternative local IP address.\n");
|
||||
fprintf(stderr, "It is mandatory with \"-c\" collision behavior detection..\n");
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
if(addr_eq(&tmp_addr,&reflexive_addr)){
|
||||
discoveryresult("NAT with Endpoint Independent Mapping!");
|
||||
} else {
|
||||
if(lifetime && timer==-1){
|
||||
fprintf(stderr, "Use \"-T\" to add a timer value (in sec).\n");
|
||||
fprintf(stderr, "It is mandatory with \"-b\" mapping lifetime behavior detection..\n");
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
if(local_port>=0 && !strcmp(local_addr_string,"\0")){
|
||||
fprintf(stderr, "To use local port please specify local address \"-L\"!\n");
|
||||
fprintf(stderr, "We need to know the address familly to set the port.\n");
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
|
||||
if(lifetime) {
|
||||
printf("\n-= Mapping Lifetime Behavior Discovery =-\n");
|
||||
init(first, &local_addr, &remote_addr, &local_port, remote_port, &rfc5780, local_addr_string, argv[optind]);
|
||||
first=0;
|
||||
run_stunclient_lifetime(timer, &local_addr, &remote_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,0,0,padding);
|
||||
}
|
||||
|
||||
if(hairpinning) {
|
||||
printf("\n-= Hairpinning Behavior Discovery =-\n");
|
||||
init(first, &local_addr, &remote_addr, &local_port, remote_port, &rfc5780, local_addr_string, argv[optind]);
|
||||
first=0;
|
||||
run_stunclient_hairpinning(&local_addr, &remote_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,0,0,padding);
|
||||
}
|
||||
|
||||
|
||||
if(mapping) {
|
||||
printf("\n-= Mapping Behavior Discovery =-\n");
|
||||
init(first,&local_addr, &remote_addr, &local_port, remote_port, &rfc5780, local_addr_string, argv[optind]);
|
||||
first=0;
|
||||
|
||||
run_stunclient(&local_addr, &remote_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,0,0,padding);
|
||||
if (addr_eq(&local_addr,&reflexive_addr)){
|
||||
discoveryresult("No NAT! (Endpoint Independent Mapping)");
|
||||
}
|
||||
if(rfc5780) {
|
||||
if(!addr_any(&other_addr)){
|
||||
addr_cpy(&tmp_addr, &reflexive_addr);
|
||||
addr_cpy(&remote_tmp_addr, &other_addr);
|
||||
run_stunclient(&remote_tmp_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,-1,0,0,0);
|
||||
|
||||
addr_cpy(&remote_addr, &other_addr);
|
||||
addr_set_port(&remote_addr, remote_port);
|
||||
|
||||
run_stunclient(&local_addr, &remote_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,0,0,padding);
|
||||
|
||||
if(addr_eq(&tmp_addr,&reflexive_addr)){
|
||||
discoveryresult("NAT with Address Dependent Mapping!");
|
||||
discoveryresult("NAT with Enpoint Independent Mapping!");
|
||||
} else {
|
||||
discoveryresult("NAT with Address and Port Dependent Mapping!");
|
||||
addr_cpy(&tmp_addr, &reflexive_addr);
|
||||
addr_cpy(&remote_addr, &other_addr);
|
||||
run_stunclient(&local_addr, &remote_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,0,0,padding);
|
||||
if(addr_eq(&tmp_addr,&reflexive_addr)){
|
||||
discoveryresult("NAT with Address Dependent Mapping!");
|
||||
} else {
|
||||
discoveryresult("NAT with Address and Port Dependent Mapping!");
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
init(&real_local_addr, &remote_addr, &local_port, port, &rfc5780, local_addr, argv[optind]);
|
||||
|
||||
if (filtering) {
|
||||
run_stunclient(&remote_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,-1,0,0,0);
|
||||
if (addr_eq(&real_local_addr,&reflexive_addr)){
|
||||
discoveryresult("No NAT! (Endpoint Independent Mapping)");
|
||||
}
|
||||
}
|
||||
}
|
||||
if(rfc5780) {
|
||||
if(!addr_any(&other_addr)){
|
||||
int res=0;
|
||||
res=run_stunclient(&remote_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,-1,1,1,0);
|
||||
if (!res) {
|
||||
discoveryresult("NAT with Endpoint Independent Filtering!");
|
||||
} else {
|
||||
res=0;
|
||||
res=run_stunclient(&remote_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,-1,0,1,0);
|
||||
if(!res){
|
||||
discoveryresult("NAT with Address Dependent Filtering!");
|
||||
|
||||
|
||||
if(filtering) {
|
||||
printf("\n-= Filtering Behavior Discovery =-\n");
|
||||
init(first,&local_addr, &remote_addr, &local_port, remote_port, &rfc5780, local_addr_string, argv[optind]);
|
||||
first=0;
|
||||
|
||||
run_stunclient(&local_addr, &remote_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,0,0,padding);
|
||||
if(addr_eq(&local_addr, &reflexive_addr)){
|
||||
discoveryresult("No NAT! (Endpoint Independent Mapping)");
|
||||
}
|
||||
if(rfc5780) {
|
||||
if(!addr_any(&other_addr)){
|
||||
int res=0;
|
||||
res=run_stunclient(&local_addr, &remote_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,1,1,padding);
|
||||
if (!res) {
|
||||
discoveryresult("NAT with Enpoint Independent Filtering!");
|
||||
} else {
|
||||
discoveryresult("NAT with Address and Port Dependent Filtering!");
|
||||
res=0;
|
||||
res=run_stunclient(&local_addr, &remote_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,0,1,padding);
|
||||
if(!res){
|
||||
discoveryresult("NAT with Address Dependent Filtering!");
|
||||
} else {
|
||||
discoveryresult("NAT with Address and Port Dependent Filtering!");
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!filtering && !mapping) {
|
||||
printf("Please use either -f or -m parameter for Filtering or Mapping behavior discovery.\n");
|
||||
}
|
||||
socket_closesocket(udp_fd);
|
||||
|
||||
return 0;
|
||||
|
||||
if(collision) {
|
||||
printf("\n-= Collision Behavior Discovery =-\n");
|
||||
init(first,&local_addr, &remote_addr, &local_port, remote_port, &rfc5780, local_addr_string, argv[optind]);
|
||||
first=0;
|
||||
|
||||
addr_set_any(&local2_addr);
|
||||
|
||||
if(local2_addr_string[0]) {
|
||||
if(make_ioa_addr((const u08bits*)local2_addr_string, 0, &local2_addr)<0) {
|
||||
err(-1,NULL);
|
||||
}
|
||||
}
|
||||
|
||||
run_stunclient(&local_addr, &remote_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,0,0,padding);
|
||||
addr_set_port(&local2_addr,addr_get_port(&local_addr));
|
||||
run_stunclient(&local2_addr, &remote_addr, &reflexive_addr, &other_addr, &local_port, &rfc5780,0,0,padding);
|
||||
}
|
||||
|
||||
if (!filtering && !mapping && !collision && !hairpinning && !lifetime) {
|
||||
printf("Please use either -f or -m or -c or -t or -H parameter for Filtering or Mapping behavior discovery.\n");
|
||||
}
|
||||
socket_closesocket(udp_fd);
|
||||
socket_closesocket(udp_fd2);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user