Guus Sliepen [Sat, 16 Jul 2011 13:15:29 +0000 (15:15 +0200)]
Use the correct direction flag when setting cipher keys.
The flag was set incorrectly, but for most ciphers this does not have
any effect. AES in any of the block modes is picky about it though.
Guus Sliepen [Wed, 13 Jul 2011 20:52:52 +0000 (22:52 +0200)]
Fix compiler warnings.
Guus Sliepen [Wed, 13 Jul 2011 20:29:30 +0000 (22:29 +0200)]
Remove unnecessary variables and functions.
Guus Sliepen [Tue, 12 Jul 2011 21:43:12 +0000 (23:43 +0200)]
Make use of the improved hex and base64 functions.
Also, use base64 for all EC related data, it is shorter and easy to
distinguish from the legacy protocol.
Guus Sliepen [Tue, 12 Jul 2011 20:54:49 +0000 (22:54 +0200)]
Make hexadecimal and base64 routines behave the same.
The length parameter for the encoding functions is the length of the
binary input, and for the decoding functions it is the maximum size of
the binary output.
The return value is always the length of the resulting output, excluding
the terminating NULL character for the encoding routines.
All functions can encode and decode in-place. The encoding functions
will always write a terminating NULL character, and the decoding
functions will stop at a NULL character.
Guus Sliepen [Mon, 11 Jul 2011 20:14:06 +0000 (22:14 +0200)]
Don't use wildcards in filenames in configure.in.
Guus Sliepen [Mon, 11 Jul 2011 19:54:01 +0000 (21:54 +0200)]
Require ExperimentalProtocol = yes for new features, update documentation.
Guus Sliepen [Sun, 10 Jul 2011 20:46:43 +0000 (22:46 +0200)]
Close meta connection socket after cleaning up event structures.
Epoll doesn't like it when an already closed filedescriptor is being
removed, so we defer closing the socket until after all else is cleaned
up.
Guus Sliepen [Sun, 10 Jul 2011 20:34:17 +0000 (22:34 +0200)]
Automatically exchange ECDSA keys and upgrade to new authentication protocol.
If we don't have ECDSA keys for the node we connect to, set protocol_minor
to 1, to indicate this to the other end. This will first complete the
old way of authentication with RSA keys, and will then exchange ECDSA keys.
The connection will be terminated right afterwards, and the next attempt
will use ECDSA keys.
Guus Sliepen [Sun, 10 Jul 2011 19:02:34 +0000 (21:02 +0200)]
Free ECDSA and RSA structures when freeing a connection_t.
Guus Sliepen [Fri, 8 Jul 2011 16:17:34 +0000 (18:17 +0200)]
Hash input before signing it with ECDSA.
Guus Sliepen [Thu, 7 Jul 2011 20:30:55 +0000 (22:30 +0200)]
Very primitive ECDSA signed ECDH key exchange for the meta protocol.
Nonces and hash of the ID requests should be included in the seed for the PRF.
Guus Sliepen [Thu, 7 Jul 2011 20:28:25 +0000 (22:28 +0200)]
Read ECDSA keys.
Guus Sliepen [Thu, 7 Jul 2011 20:27:17 +0000 (22:27 +0200)]
Implement ECDSA sign and verify operations.
Very basic at the moment, doesn't hash the input first,
and uses OpenSSL's DER encoded signature as output.
Guus Sliepen [Tue, 5 Jul 2011 19:29:31 +0000 (21:29 +0200)]
Bump minor protocol to indicate ECDH capability for UDP session keys.
Guus Sliepen [Tue, 5 Jul 2011 19:19:48 +0000 (21:19 +0200)]
Add a minor number to the protocol version.
Guus Sliepen [Mon, 4 Jul 2011 05:51:47 +0000 (07:51 +0200)]
Round up the size of the secret parts after splitting it in two.
Guus Sliepen [Sun, 3 Jul 2011 21:44:43 +0000 (23:44 +0200)]
Add ECDSA key import.
Guus Sliepen [Sun, 3 Jul 2011 21:33:56 +0000 (23:33 +0200)]
Finish base64 decoding routine.
Guus Sliepen [Sun, 3 Jul 2011 20:25:29 +0000 (22:25 +0200)]
Have tincctl generate ECDSA keys.
The generate-keys command now generates both an RSA and an ECDSA keypair,
but one can generate-rsa-keys or generate-ecdsa-keys to just generate one type.
Guus Sliepen [Sun, 3 Jul 2011 20:15:00 +0000 (22:15 +0200)]
Add ECDSA key generation.
Guus Sliepen [Sun, 3 Jul 2011 20:13:58 +0000 (22:13 +0200)]
Base64 encoding and decoding functions.
Guus Sliepen [Sun, 3 Jul 2011 20:13:34 +0000 (22:13 +0200)]
Cleanups in ECDH code.
Guus Sliepen [Sun, 3 Jul 2011 19:21:37 +0000 (21:21 +0200)]
No need to keep around pointers to EC_GROUP.
Guus Sliepen [Sun, 3 Jul 2011 14:30:49 +0000 (16:30 +0200)]
Proper use of PRF.
Guus Sliepen [Sun, 3 Jul 2011 13:59:49 +0000 (15:59 +0200)]
Use PRF.
Guus Sliepen [Sun, 3 Jul 2011 13:26:58 +0000 (15:26 +0200)]
Add PRF to derive key material from the ECDH shared secret.
It is modelled after the pseudorandom function from RFC4346 (TLS 1.1), the only
significant change is the use of SHA512 and Whirlpool instead of MD5 and SHA1.
Guus Sliepen [Sun, 3 Jul 2011 11:17:28 +0000 (13:17 +0200)]
Support ECDH key exchange.
REQ_KEY requests have an extra field indicating key exchange version.
If it is present and > 0, the sender supports ECDH. If the receiver also
does, then it will generate a new keypair and sends the public key in a
ANS_KEY request with "ECDH:" prefixed. The ans_key_h() function will
compute the shared secret, which, at the moment,is used as is to set the
cipher and HMAC keys. However, this must be changed to use a proper KDF.
In the future, the ECDH key exchange must also be signed.
Guus Sliepen [Mon, 27 Jun 2011 19:52:23 +0000 (21:52 +0200)]
Preliminary implementation of Elliptic Curve Diffie-Hellman Ephemeral key exchange.
Guus Sliepen [Sun, 26 Jun 2011 11:15:44 +0000 (13:15 +0200)]
Add manpage for tinc-gui.
Guus Sliepen [Sun, 26 Jun 2011 11:14:48 +0000 (13:14 +0200)]
Remove debug messages that were printed to stdout.
Guus Sliepen [Sun, 26 Jun 2011 10:59:11 +0000 (12:59 +0200)]
Update documentation to mention pidfiles instead of controlcookies.
Guus Sliepen [Sun, 26 Jun 2011 10:58:50 +0000 (12:58 +0200)]
Don't react to escape character in tincctl top.
Not only the ESC key generates an escape character, but many other keys
do as well, such as arrow keys.
Guus Sliepen [Sun, 26 Jun 2011 10:51:25 +0000 (12:51 +0200)]
Use pidfile in tinc-gui as well.
Guus Sliepen [Sat, 25 Jun 2011 20:20:39 +0000 (22:20 +0200)]
Really stable sorting of tincctl top output.
Guus Sliepen [Sat, 25 Jun 2011 19:38:59 +0000 (21:38 +0200)]
Add +git to the version string.
Guus Sliepen [Sat, 25 Jun 2011 19:35:27 +0000 (21:35 +0200)]
Make pid files backwards compatible and add address of listening socket.
The pid is now written first, so that a version 1.0.x tincd can be used to stop
a running version 1.1 tincd. Getsockname() is used to determine the address of
the first listening socket, so that tincctl can connect to the local tincd even
if AddressFamily = ipv6, or if BindToAddress or BindToInterface is used.
Guus Sliepen [Sat, 25 Jun 2011 19:21:36 +0000 (21:21 +0200)]
Rename controlcookie file to pidfile.
Guus Sliepen [Sat, 25 Jun 2011 19:16:13 +0000 (21:16 +0200)]
Don't call exit_control() if we didn't do init_control().
Guus Sliepen [Sat, 25 Jun 2011 18:20:07 +0000 (20:20 +0200)]
Re-add support for SIGALRM.
Guus Sliepen [Sat, 25 Jun 2011 15:39:02 +0000 (17:39 +0200)]
Merge Tinc.py into tinc-gui to simplify make install.
Autoconf/automake's Python support is strange.
Guus Sliepen [Sat, 25 Jun 2011 15:11:05 +0000 (17:11 +0200)]
Thank Scott Lamb, Sven-Haegar Koch and Loïc Grenié in the NEWS file.
Guus Sliepen [Sat, 25 Jun 2011 15:08:40 +0000 (17:08 +0200)]
Ensure the right files end up in the tarball after make dist.
Guus Sliepen [Sat, 25 Jun 2011 13:28:54 +0000 (15:28 +0200)]
Releasing 1.1pre1.
Guus Sliepen [Sat, 25 Jun 2011 13:28:13 +0000 (15:28 +0200)]
Ensure that the texinfo manual can be converted to HTML.
Somehow commit
2c30af6c90926340a89748c63cc453b1c0b5a589 was not properly
merged.
Guus Sliepen [Sat, 25 Jun 2011 12:52:47 +0000 (14:52 +0200)]
Update manpages and info manual.
Guus Sliepen [Fri, 24 Jun 2011 22:32:45 +0000 (00:32 +0200)]
Add Makefile.am in gui/.
This ensures the gui source will be included in the tarball with make dist,
and will be installed with make install.
Guus Sliepen [Fri, 24 Jun 2011 22:06:06 +0000 (00:06 +0200)]
Don't use AM_CONDITIONAL for CURSES.
For some reason, this doesn't work when cross-compiling for Windows.
Guus Sliepen [Fri, 24 Jun 2011 20:49:18 +0000 (22:49 +0200)]
Don't call event_del() from the mtuevent handler, always send_mtu_probe() in ans_key_h().
Guus Sliepen [Fri, 24 Jun 2011 20:10:03 +0000 (22:10 +0200)]
Delete mtuevent if it is not used.
Keeping it around prevents ans_key_h() from restarting PMTU discovery.
Guus Sliepen [Fri, 24 Jun 2011 19:40:55 +0000 (21:40 +0200)]
Merge branch 'master' of git://tinc-vpn.org/tinc into 1.1
Conflicts:
NEWS
README
configure.in
src/Makefile.am
Guus Sliepen [Fri, 24 Jun 2011 12:50:20 +0000 (14:50 +0200)]
Releasing 1.0.15.
Guus Sliepen [Fri, 24 Jun 2011 10:27:04 +0000 (12:27 +0200)]
Remove redundant @CFLAGS@ from AM_CFLAGS.
Guus Sliepen [Tue, 21 Jun 2011 21:08:05 +0000 (23:08 +0200)]
No need to check for pselect() in tinc 1.1.
Guus Sliepen [Tue, 21 Jun 2011 21:06:53 +0000 (23:06 +0200)]
Only log UDP address changes at the appropriate debug levels.
Guus Sliepen [Mon, 6 Jun 2011 19:19:30 +0000 (21:19 +0200)]
Reopen log file after SIGHUP.
This was missed by the previous merge.
Guus Sliepen [Mon, 6 Jun 2011 18:42:15 +0000 (20:42 +0200)]
Merge branch 'master' of git://tinc-vpn.org/tinc into 1.1
Conflicts:
NEWS
configure.in
doc/tincd.8.in
lib/pidfile.c
lib/pidfile.h
lib/xalloc.h
lib/xmalloc.c
src/conf.c
src/conf.h
src/connection.c
src/connection.h
src/event.c
src/graph.c
src/graph.h
src/net.c
src/net.h
src/node.h
src/openssl/crypto.c
src/process.c
src/protocol.c
src/protocol_key.c
src/route.c
Guus Sliepen [Mon, 6 Jun 2011 18:12:33 +0000 (20:12 +0200)]
Clean up digests when freeing a connection_t.
Guus Sliepen [Mon, 6 Jun 2011 14:26:11 +0000 (16:26 +0200)]
Improved --logfile option.
Instead of UNIX time, the log messages now start with the time in RFC3339
format, which human-readable and still easy for the computer to parse and sort.
The HUP signal will also cause the log file to be closed and reopened, which is
useful when log rotation is used. If there is an error while opening the log
file, this is logged to stderr.
Guus Sliepen [Sat, 4 Jun 2011 09:27:54 +0000 (11:27 +0200)]
Attribution for Loïc Grenié.
Loïc Grenié [Sat, 4 Jun 2011 07:05:23 +0000 (09:05 +0200)]
Nearly tickless tinc.
Use pselect instead of select in main_loop (if available). This lets
tincd sleeps as long as there is nothing to do.
Guus Sliepen [Fri, 3 Jun 2011 13:50:20 +0000 (15:50 +0200)]
Don't ignore SIGCHLD, system() needs it.
But we do ignore SIGPIPE, and tinc 1.0.x signals that are no longer used
(SIGUSR1 and SIGUSR2), since the default handler of these signals is to
terminate tincd immediately.
Guus Sliepen [Thu, 2 Jun 2011 22:46:56 +0000 (00:46 +0200)]
Fix format strings for Windows.
Windows doesn't like %zd, so cast (s)size_t to int. Also, some shorts were
incorrectly printed with %d instead of %hd.
Guus Sliepen [Thu, 2 Jun 2011 22:34:30 +0000 (00:34 +0200)]
Use send() when writing to sockets, and the return type is ssize_t.
Guus Sliepen [Thu, 2 Jun 2011 21:40:27 +0000 (23:40 +0200)]
Small fixes for Windows.
Guus Sliepen [Thu, 2 Jun 2011 20:14:53 +0000 (22:14 +0200)]
Even simpler signal handling.
Guus Sliepen [Thu, 2 Jun 2011 19:29:11 +0000 (21:29 +0200)]
Remove debugging message that was accidentily left in.
Guus Sliepen [Thu, 2 Jun 2011 19:16:57 +0000 (21:16 +0200)]
Don't treat packets coming in via TCP as having zero length.
Guus Sliepen [Thu, 2 Jun 2011 19:14:50 +0000 (21:14 +0200)]
Fix nodes joining the VPN after tincctl top started.
Guus Sliepen [Thu, 2 Jun 2011 18:48:18 +0000 (20:48 +0200)]
Make traffic statistics more readable with configurable scaling.
Guus Sliepen [Thu, 2 Jun 2011 18:27:16 +0000 (20:27 +0200)]
More stable sorting in tincctl top.
Although we use qsort(), which is not guaranteed to be stable, resorting the
previously sorted array is more stable than recreating and resorting the array
each time.
Guus Sliepen [Thu, 2 Jun 2011 16:22:26 +0000 (18:22 +0200)]
Fix some compiler and cppcheck warnings.
Guus Sliepen [Thu, 2 Jun 2011 16:07:50 +0000 (18:07 +0200)]
Remove support for the Ethertap device.
Guus Sliepen [Thu, 2 Jun 2011 15:57:53 +0000 (17:57 +0200)]
Remove unused functions and variables.
Guus Sliepen [Thu, 2 Jun 2011 15:55:29 +0000 (17:55 +0200)]
Don't #include <alloca.h> anymore.
Guus Sliepen [Thu, 2 Jun 2011 15:53:35 +0000 (17:53 +0200)]
Drop the GNU memcmp.c implementation.
Guus Sliepen [Thu, 2 Jun 2011 15:45:06 +0000 (17:45 +0200)]
Drop the GNU malloc.c, realloc.c, and xmalloc.c.
We live in the 21st century, and we require C99 semantics, so we do not need to
work around buggy libcs. The xmalloc() and related functions are now static
inline functions.
Guus Sliepen [Thu, 2 Jun 2011 15:14:30 +0000 (17:14 +0200)]
Simplify signal handling.
We don't override any signal handlers anymore except those for SIGPIPE and
SIGCHLD. Fatal signals (SIGSEGV, SIGBUS etc.) will terminate tincd and
optionally dump core. The previous behaviour was to terminate gracefully and
try to restart, but that usually failed and made any core dump useless.
Guus Sliepen [Sun, 29 May 2011 20:34:19 +0000 (22:34 +0200)]
Remove outgoing event in free_connection().
Guus Sliepen [Sun, 29 May 2011 20:14:35 +0000 (22:14 +0200)]
Initialise priority field to zero for packets read from the VPN interface.
Guus Sliepen [Sun, 29 May 2011 20:12:37 +0000 (22:12 +0200)]
Cosmetic fix when pressing 's' in tincctl top.
Guus Sliepen [Sun, 29 May 2011 20:10:54 +0000 (22:10 +0200)]
Show hostname and port in error message when connecting to a running tincd.
Sven-Haegar Koch [Sun, 29 May 2011 19:53:21 +0000 (21:53 +0200)]
do_outgoing_connection() may delete a failed connection, and the structure
must not be accessed afterwards.
Sven-Haegar Koch [Sun, 29 May 2011 19:35:31 +0000 (21:35 +0200)]
src/net_socket.c bind_to_address(): Use after free in error path.
Guus Sliepen [Sun, 29 May 2011 12:41:05 +0000 (14:41 +0200)]
Allow tincctl to connect to something besides localhost.
This would allow tincctl to connect to a remote tincd, or to a local tincd that
isn't listening on localhost, for example if it is using the BindToInterface or
BindToAddress options.
Guus Sliepen [Sat, 28 May 2011 21:46:56 +0000 (23:46 +0200)]
Remove a few unnecessary #includes.
Some spotted by Michael Tokarev.
Guus Sliepen [Sat, 28 May 2011 21:42:18 +0000 (23:42 +0200)]
Remove newlines from log messages.
Guus Sliepen [Sat, 28 May 2011 21:36:52 +0000 (23:36 +0200)]
Fix sparse warnings and add an extra sprinkling of const.
This is more or less the equivalent of Sven-Haegar Koch's fixes in the 1.1
branch.
Sven-Haegar Koch [Sat, 28 May 2011 01:48:07 +0000 (03:48 +0200)]
fgets() returns NULL on error, not < 0
Sven-Haegar Koch [Sat, 28 May 2011 01:46:39 +0000 (03:46 +0200)]
sparse fixup: warning: Using plain integer as NULL pointer
Sven-Haegar Koch [Sat, 28 May 2011 01:57:20 +0000 (03:57 +0200)]
sparse fixup: warning: non-ANSI function declaration of function '...'
Sven-Haegar Koch [Sat, 28 May 2011 01:56:06 +0000 (03:56 +0200)]
sparse fixup: warning: symbol '...' was not declared. Should it be static?
Sven-Haegar Koch [Sat, 28 May 2011 01:12:03 +0000 (03:12 +0200)]
sparse fixup: error: too many arguments for function send_key_changed
Sven-Haegar Koch [Sat, 28 May 2011 01:08:31 +0000 (03:08 +0200)]
sparse fixup: error: dubious one-bit signed bitfield
Sven-Haegar Koch [Sat, 28 May 2011 00:57:40 +0000 (02:57 +0200)]
Use same definition for xalloc_fail_func as is really used.
Sven-Haegar Koch [Fri, 27 May 2011 23:36:10 +0000 (01:36 +0200)]
Removed two newlines from the end of log messages which created empty lines.
Sven-Haegar Koch [Fri, 27 May 2011 23:33:45 +0000 (01:33 +0200)]
Fixed error logging on "Input buffer full" condition.
Guus Sliepen [Sun, 22 May 2011 13:56:04 +0000 (15:56 +0200)]
Make return value of SetPriorityClass() behave the same as setpriority().
Guus Sliepen [Sun, 22 May 2011 12:17:30 +0000 (14:17 +0200)]
Add the ability to dump all traffic going through route() over a control connection.
One can get the packet stream in pcap format, which can be decoded using
tcpdump, for example:
tincctl -n <netname> pcap | tcpdump -r -
Guus Sliepen [Sun, 22 May 2011 12:02:27 +0000 (14:02 +0200)]
Reset tcplen after use.