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302 commits

Author SHA1 Message Date
Guus Sliepen
b6997b0050 - Lots o' buglets fixed (-Wall helps) 
- Made TCPonly work :)
 2000-08-07 16:27:29 +00:00
Guus Sliepen
fdc6a2f106 - Added experimental hackish tunneling-over-TCP support. 
Just use TCPonly = true in the configuration file.
 2000-08-07 14:52:16 +00:00
Guus Sliepen
42455e97a0 - Fixed typo. 2000-07-02 13:40:57 +00:00
Guus Sliepen
b1ecbf9777 - Delayed address resolving for ConnectTo lines in configuration file to 
allow DynDNS to work without restarting tincd.
 2000-07-02 13:36:18 +00:00
Guus Sliepen
1b28f88808 - Removed a single unused bit from status_bits_t. 2000-07-01 07:49:21 +00:00
Guus Sliepen
1a1ebefd57 - Made tinc even more silent if no -d flag is given at all. 2000-06-30 21:03:51 +00:00
Guus Sliepen
c5737583c8 - Instead of logging an error when remote end closes the connection, 
we print a nice message if appropiate debug level is set.
- If we get ADD_HOSTs or DEL_HOSTs for ourself, then connection lists
  are really messed up. We restart, and hope our problems go away.
 2000-06-30 12:41:06 +00:00
Guus Sliepen
24874d0806 - Removed segfault bug in conf.c (must have been there for ages!) 
- Made main_loop() signal proof
- #defined MAXTIMEOUT (15 minutes)
- If something really really bad happens, close all connections, wait
  for MAXTIMEOUT seconds, and then restart tinc
 2000-06-30 11:45:16 +00:00
Guus Sliepen
0f9ad1f047 - Fixed memory leak. 
- Implemented SIGHUP configuration file reloading.
- Other small changes.
 2000-06-29 19:47:04 +00:00
Guus Sliepen
18c85caac3 - New semantics for BASIC_INFO, ADD_HOST and DEL_HOST requests. This will 
improve connection list consistency, ensures the tree property, and
  allows for recovery from situations where track of connections is lost.
 2000-06-29 17:09:08 +00:00
Guus Sliepen
e8e7379311 - Removed all IP_ADDR_S macros, because gettext doesn't like them. Each 
connection now has two hostnames: real_hostname (replacing the old),
  and vpn_hostname. In those places where hostnames really aren't usefull
  IP_ADDR_S has been replaced by %d.%d.%d.%d.
 2000-06-29 13:04:15 +00:00
Guus Sliepen
3df9b89204 - Added log message when SIGCHLD is received ("thanks" to Ivo van Dong) 2000-06-28 14:34:40 +00:00
Guus Sliepen
8c6c60adf3 - Fixed a message in nl.po 
- Woops, we forgot to send our connection list to our uplink when we
  connect to it... Fixed.
 2000-06-28 13:41:02 +00:00
Guus Sliepen
ea40d3f1a0 - Fixed some spelling errors. 
- Paar zpelvautjes gerepareerd, en de Nederlandse vertaling weer bij de
  tijd gebracht.
 2000-06-28 11:38:01 +00:00
Guus Sliepen
dba2995db7 - Extra check op EINTR bij inlezen requests 2000-06-28 10:11:10 +00:00
Guus Sliepen
4ee53e7dac - Fixes a silly little insignificant buglet. 2000-06-27 21:05:07 +00:00
Guus Sliepen
070ad08118 - Purge old connections that are ADD_HOSTed. 2000-06-27 20:55:12 +00:00
Guus Sliepen
4aeaea5e59 - Improved handling of errors on connection attempts. 2000-06-27 20:10:48 +00:00
Guus Sliepen
45a28b1e89 - Fixed indirectdata=no problem 
- Added support for multiple ConnectTo lines in tinc.conf.
 2000-06-27 15:08:58 +00:00
Guus Sliepen
4faed1b854 - Fixed KEY_CHANGED notification. A lot of notify_others() calls were 
wrong (first two arguments swapped). Should probably be doublechecked.
- Don't retry to connect to hosts with different protocol versions.
 2000-06-27 12:58:04 +00:00
Guus Sliepen
04cb206298 - Moved all connection messages to debug level 1, without -d's only the 
startup message will be logged.
- Fixed DEL_HOST rebound.
 2000-06-26 20:30:21 +00:00
Guus Sliepen
783c829861 - Indirectdata finally REALLY REALLY works now! 
- More precise debug messages
 2000-06-26 19:39:34 +00:00
Guus Sliepen
b3681ebf6c Fixes some hostlookups. Fixes indirectdata for real now (hopefully). 2000-06-26 17:20:58 +00:00
Guus Sliepen
a473ece8a0 - More verbose connection list 
- Added "myself" as hostname when logging indirect ADD_HOSTs
 2000-06-25 16:39:17 +00:00
Guus Sliepen
f1f901112e Hostlookup() is actually being called now. 2000-06-25 16:20:27 +00:00
Guus Sliepen
54079bdf03 Hostnames are back! 2000-06-25 16:01:12 +00:00
Guus Sliepen
e4b586ed07 - Log possible spoofing attacks. 
- Don't broadcast DEL_HOSTs for hosts that haven't been activated yet.
- If a host sends a TERMREQ, deactivate them.
 2000-06-25 15:45:09 +00:00
Guus Sliepen
7648bc6065 Added CVS Id tags to header files. 2000-06-25 15:22:16 +00:00
Guus Sliepen
7f7e158aae Large cleanup: 
- Removed hostname lookup (it blocks, and you can always do it yourself)
- Reorganized debug levels (after hints from Axel M�ller):
  0	Startup message and errors
  1	Connection logging
  2	Meta protocol information
  3	Verbose meta protocol (includes copy of transmitted requests)
  4	Packet information (logs transmission/errors of UDP packets)
  5	Verbose packet information (every single byte, not implemented yet
	to protect ourselves from filling up /var/log directories)
- Made log messages more consistent
 2000-06-25 15:16:12 +00:00
Guus Sliepen
3c54a513b0 If we have "indirectdata" flag set, we only send data to our uplink. 2000-06-24 12:35:42 +00:00
Guus Sliepen
d8e2f7104c First step for implementation of the "indirectdata" directive. This should 
allow _leaf_ tincds to be behind firewalls.
The protocol has changed and is INCOMPATIBLE with previous versions. The
PROT_CURRENT value has been incremented.
 2000-06-23 19:27:03 +00:00
Ivo Timmermans
33c3a25a66 Configuration directive `IndirectData'. 2000-06-17 20:55:54 +00:00
Ivo Timmermans
ef294a6967 Include ../intl in the include path, and add @INTLLIBS@ to the list of libraries. 2000-06-06 10:24:33 +00:00
Ivo Timmermans
77be52422d Miscellaneous copyright updates. 2000-05-31 18:23:06 +00:00
Ivo Timmermans
8cb4bb619d Handle locale settings. 2000-05-31 18:21:27 +00:00
Ivo Timmermans
17fa07510a Only accept an ADD_HOST request for a host that already exists in our conn_list if the nexthop field matches the sender. This is a workaround for older clients. 2000-05-30 21:36:16 +00:00
Ivo Timmermans
e7f22d2f5f In terminate_connection, only send a notification to hosts that are directly connected to us. (DEL_HOST gets forwarded automatically.) 2000-05-30 12:38:15 +00:00
Ivo Timmermans
2fdda8e4fa When a connection is terminated, all hosts that are still connected get notified of the lost connections. 2000-05-30 12:31:41 +00:00
Ivo Timmermans
f826301889 Added new configuration directive `Hostnames', which controls the resolving of IP addresses to hostnames. 2000-05-30 11:18:12 +00:00
Guus Sliepen
a7ad161d2b Only activate a connection upon receiving it's public key if it's an 
incoming connection. When it's outgoing, we need to receive an ack first.
 2000-05-29 23:40:05 +00:00
Ivo Timmermans
a822c7466a Bounds check for request id (between 0 and 255). 2000-05-29 22:20:04 +00:00
Ivo Timmermans
386a62ff57 Define LOCALEDIR in CFLAGS. 2000-05-29 21:40:51 +00:00
Ivo Timmermans
9fd02ffcb0 Internationalization of tinc. 2000-05-29 21:01:26 +00:00
Guus Sliepen
61e71ab74a Terminate a connection on any error. Furthermore, disallow del_host, 
add_host and other important requests until remote host has properly
authenticated itself.
 2000-05-27 20:23:01 +00:00
Guus Sliepen
cc01b18bc6 Made tinc persistent. If no outgoing connection can be established right 
after the start of the daemon, it won't quit anymore but will retry in 5
minutes. Also, 5 minutes is now the maximum time to wait for a retry.
 2000-05-27 19:44:04 +00:00
Guus Sliepen
028659bfbf Fixed typos. When terminating a connection, it's status is not only set to 
remove=1 but also active=0.
 2000-05-27 19:23:20 +00:00
Guus Sliepen
e4ff969a98 Fix for a DoS attack: 
A remote user could telnet to the tinc daemon and type only this line:
 61 6 00000000/00000000:28f
 This would deny any packets to be sent to other tinc networks (except
 for to the hosts that run tincd's themselves). Solution is to skip
 hosts in lookup_conn() that have not been activated yet.
Fixed potential conn_list table corruption:
 If a new connection is accepted but a connection with the same subnet
 would already exist in the connection list, the OLD connection is
 terminated.
 2000-05-27 19:04:12 +00:00
Guus Sliepen
85963f4c85 Stub for VpnMask config directive. 2000-05-16 13:09:15 +00:00
Ivo Timmermans
7e817fcf0f Unlimited length in the config file, thanks to Cris van Pelt. 2000-05-15 18:28:45 +00:00
Ivo Timmermans
803f908078 Give IP address instead of hex number when connecting tcp socket failed. 2000-05-14 21:07:16 +00:00