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98 commits

Author SHA1 Message Date
Guus Sliepen
19be9cf715 Merge branch 'master' of git://tinc-vpn.org/tinc into 1.1 
Conflicts:
	NEWS
	README
	configure.in
	lib/utils.c
	src/linux/device.c
	src/meta.c
	src/net.h
	src/net_setup.c
	src/net_socket.c
	src/protocol.c
	src/protocol_auth.c
	src/tincd.c
 2012-06-26 13:24:20 +02:00
Sven-Haegar Koch
32e5c5bb7c Silence SPTPS log messages, reduce them from DEBUG_ALWAYS to DEBUG_META. 2012-05-08 16:19:20 +02:00
Guus Sliepen
b58d95eb29 Add basic support for SOCKS 4 and HTTP CONNECT proxies. 
When the Proxy option is used, outgoing connections will be made via the
specified proxy. There is no support for authentication methods or for having
the proxy forward incoming connections, and there is no attempt to proxy UDP.
 2012-04-18 23:19:40 +02:00
Guus Sliepen
8ac096b5bf Allow log messages to be captured by tincctl. 
This allows tincctl to receive log messages from a running tincd,
independent of what is logged to syslog or to file. Tincctl can receive
debug messages with an arbitrary level.
 2012-02-26 18:37:36 +01:00
Guus Sliepen
84570275ac Ensure all SPTPS functions are prefixed with sptps_. 2012-02-26 12:33:16 +01:00
Guus Sliepen
65d6f023c4 Use SPTPS when ExperimentalProtocol is enabled. 2012-02-25 18:25:21 +01:00
Guus Sliepen
c6b0e102ad Don't treat packets coming in via TCP as having zero length. 2011-06-02 21:16:57 +02:00
Sven-Haegar Koch
9cce44dfe3 Fixed error logging on "Input buffer full" condition. 2011-05-28 15:24:38 +02:00
Guus Sliepen
54c900e961 Reset tcplen after use. 2011-05-22 14:02:27 +02:00
Guus Sliepen
931e30f91a Always compact the buffer if it has reached MAXBUFSIZE. 2011-05-22 13:24:01 +02:00
Guus Sliepen
90c7fafe59 Compact input buffer before trying to read instead of after. 
Also log an error when the input buffer contains more than MAXBUFSIZE bytes
already, instead of silently claiming the other side closed the connection.
 2011-05-22 13:20:44 +02:00
Guus Sliepen
8de8f1d9e2 Fix some compiler warnings. 2011-05-17 10:58:22 +02:00
Guus Sliepen
ffa3a443b9 Several fixes for the buffer code. 2011-05-14 22:30:23 +02:00
Guus Sliepen
cdb793f687 Remove use of bufferevent and eventbuffers, use our own buffering instead. 2011-05-14 19:20:56 +02:00
Guus Sliepen
74e50d52e0 recv() and recvfrom() return int, do not prematurely cast the return value. 2009-12-19 20:52:19 +01:00
Guus Sliepen
108b238915 Merge branch 'master' into 1.1 
Conflicts:
	NEWS
	README
	configure.in
	doc/tinc.texi
	doc/tincd.8.in
	src/Makefile.am
	src/connection.c
	src/edge.c
	src/meta.c
	src/net.c
	src/net.h
	src/net_packet.c
	src/net_setup.c
	src/net_socket.c
	src/node.c
	src/openssl/rsagen.h
	src/protocol_auth.c
	src/protocol_edge.c
	src/subnet.c
 2009-11-02 14:24:27 +01:00
Guus Sliepen
e00b44cb98 Move socket error interpretation to utils.h. 2009-10-25 01:40:07 +02:00
Guus Sliepen
92b8abc921 Use MTU probes to regularly ping other nodes over UDP. 
This keeps NAT mappings for UDP alive, and will also detect when a node is not
reachable via UDP anymore or if the path MTU is decreasing. Tinc will fall back
to TCP if the node has become unreachable.

If UDP communication is impossible, we stop sending probes, but we retry if it
changes its keys.

We also decouple the UDP and TCP ping mechanisms completely, to ensure tinc
properly detects failure of either method.
 2009-10-11 18:57:58 +02:00
Guus Sliepen
7ea85043ac Merge branch 'master' into 1.1 
Conflicts:
	NEWS
	configure.in
	lib/Makefile.am
	lib/pidfile.c
	lib/pidfile.h
	lib/utils.c
	po/POTFILES.in
	po/nl.po
	src/Makefile.am
	src/bsd/device.c
	src/conf.c
	src/connection.c
	src/cygwin/device.c
	src/edge.c
	src/event.c
	src/graph.c
	src/linux/device.c
	src/meta.c
	src/mingw/device.c
	src/net.c
	src/net_packet.c
	src/net_setup.c
	src/net_socket.c
	src/netutl.c
	src/node.c
	src/process.c
	src/protocol.c
	src/protocol_auth.c
	src/protocol_edge.c
	src/protocol_key.c
	src/protocol_misc.c
	src/protocol_subnet.c
	src/raw_socket/device.c
	src/route.c
	src/solaris/device.c
	src/subnet.c
	src/tincd.c
	src/uml_socket/device.c
 2009-09-29 14:55:29 +02:00
Guus Sliepen
46e481dc94 Add more authors to the copyright headers. 
Git's log and blame tools were used to find out which files had significant
contributions from authors who sent in patches that were applied before we used
git.
 2009-09-25 21:14:56 +02:00
Guus Sliepen
4c85542894 Drop support for localisation. 
Localised messages don't make much sense for a daemon, and there is only the
Dutch translation which costs time to maintain.
 2009-09-25 00:54:07 +02:00
Guus Sliepen
a227843b73 Remove checkpoint tracing. 
This feature is not necessary anymore since we have tools like valgrind today
that can catch stack overflow errors before they make a backtrace in gdb
impossible.
 2009-09-25 00:33:04 +02:00
Guus Sliepen
5dde6461a3 K&R style braces. 
This is essentially commit f02d3ed3e1 from the
1.1 branch, making it easier to merge between master and 1.1.
 2009-09-25 00:14:03 +02:00
Guus Sliepen
ab7c61b06f Update the address of the Free Software Foundation in all copyright headers. 2009-09-25 00:01:00 +02:00
Guus Sliepen
c217d214f4 Remove all occurences of $Id$. 2009-09-24 23:39:16 +02:00
Guus Sliepen
c23fcf555e Update copyright information. 
- Update year numbers in copyright headers.
- Add copyright information for Michael Tokarev and Florian Forster to the
  copyright headers of files to which they have contributed significantly.
- Mention Michael and Florian in AUTHORS.
- Mention that tinc is GPLv3 or later if compiled with the --enable-tunemu
  flag.
 2009-09-24 23:29:46 +02:00
Guus Sliepen
075e6828a7 Merge branch 'master' into 1.1 
Conflicts:
	have.h
	lib/dropin.c
	lib/fake-getaddrinfo.c
	lib/pidfile.c
	src/Makefile.am
	src/bsd/device.c
	src/conf.c
	src/connection.c
	src/connection.h
	src/graph.c
	src/mingw/device.c
	src/net.c
	src/net_setup.c
	src/node.c
	src/protocol_key.c
	src/protocol_misc.c
	src/tincd.c
 2009-09-16 19:55:47 +02:00
Guus Sliepen
36f8e4da8b Don't try to send MTU probes to unreachable nodes. 
If there is an outstanding MTU probe event for a node which is not reachable
anymore, a UDP packet would be sent to that node, which caused a key request to
be sent to that node, which triggered a NULL pointer dereference. Probes and
other UDP packets to unreachable nodes are now dropped.
 2009-06-11 18:36:08 +02:00
Guus Sliepen
551cd19406 Move RSA key generation into the wrappers. 2008-12-14 12:47:26 +00:00
Guus Sliepen
046158a216 Use the crypto wrappers again instead of calling OpenSSL directly. 
This theoretically allows other cryptographic libraries to be used,
and it improves the readability of the code.
 2008-12-11 14:44:44 +00:00
Guus Sliepen
8e8fe805c8 Only show meta connection related debug messages when debug level >= 4 2008-12-11 14:03:52 +00:00
Scott Lamb
40731d030f Temporarily revert to old crypto code 
(The new code is still segfaulting for me, and I'd like to proceed with other
work.)

This largely rolls back to the revision 1545 state of the existing code
(new crypto layer is still there with no callers), though I reintroduced
the segfault fix of revision 1562.
 2007-11-07 02:47:05 +00:00
Guus Sliepen
b0709d2649 Fix meta data segfault when receiving a partial command. 2007-10-19 19:07:30 +00:00
Guus Sliepen
1b8f891836 Finish crypto wrapping. Also provide wrappers for OpenSSL. 
Disable libgcrypt by default. Since it doesn't support the OFB cipher mode,
we can't use it in a backwards compatible way.
 2007-05-23 13:45:49 +00:00
Guus Sliepen
fbf305c09d Use libevent for meta socket input/output buffering. 2007-05-19 22:23:02 +00:00
Guus Sliepen
e37ef57a95 More consistent variable naming. 2007-05-18 11:19:31 +00:00
Guus Sliepen
fb0cfccf7d Use splay trees instead of AVL trees. 2007-05-18 10:05:26 +00:00
Guus Sliepen
f02d3ed3e1 K&R style braces 2007-05-18 10:00:00 +00:00
Guus Sliepen
ddc6a81a85 Remove global variable "now". 2007-05-18 09:34:06 +00:00
Guus Sliepen
0f6f54ff8a Use a separate event structure to handle meta data writes. 
Make meta socket events persistent.
 2007-05-17 20:20:10 +00:00
Guus Sliepen
e5b1b5cefb EWOULDBLOCK does not exist on platforms without O_NONBLOCK 2006-11-14 12:28:04 +00:00
Guus Sliepen
de78d79db8 Update copyright notices, remove Ivo's email address. 2006-04-26 13:52:58 +00:00
Guus Sliepen
af95368c0f Fix signedness compiler warnings. 2006-03-19 13:06:21 +00:00
Guus Sliepen
098090468a Missing #include. 2006-03-19 12:43:28 +00:00
Guus Sliepen
228e7a5c8f Apply patch from Scott Lamb adding an output buffer for the TCP sockets. 
This helps coalescing multiple send_meta() commands into one TCP packet.
Also limit the size of the output buffer before dropping PACKETs.
 2006-01-19 17:13:18 +00:00
Guus Sliepen
df3220a154 Update copyright notices. 2005-05-04 18:09:30 +00:00
Guus Sliepen
7717cb0c54 Remove duplicate #include "system.h" 2004-09-20 20:56:14 +00:00
Guus Sliepen
7926a156e5 Update copyrights, links, email addresses and let Subversion update $Id$ keywords. 2004-03-21 14:21:22 +00:00
Guus Sliepen
e3220cacb5 Replace Opaque and Strict options with a TunnelServer option. 2003-11-17 15:30:18 +00:00
Guus Sliepen
0e59fb022c Add Opaque option which prevent information from being forwarded to certain nodes. 2003-11-10 22:31:53 +00:00