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07c2fd4068
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162 Commits

Author SHA1 Message Date
Erik Ekman
07c2fd4068 Prepare server code for IPv6 listening socket 
Add a struct with multiple dns file descriptors (for IPv4 and IPv6)
and pass this to required areas. Choose which descriptor to use when
sending by looking at the destination address family.
 2015-06-28 13:05:17 +02:00
Erik Ekman
582a818f2a Switch external IP service to api.ipify.org 
externalip.net seems to have gone away
 2015-06-27 12:11:43 +02:00
Erik Ekman
778d29825d Switch to IPv6-ready storage of user IP address 2015-06-27 11:57:39 +02:00
Erik Ekman
9a45c4aa66 Change license wording to follow ISC license exactly 
"Permission to use, copy, modify, and distribute this software" is now
"Permission to use, copy, modify, and/or distribute this software".

Add license header to source files missing one.
 2014-08-07 21:18:33 +02:00
Barak A. Pearlmutter
46532539c2 Rename VERSION define 
prep for autotools: autoconf defines VERSION so s/VERSION/PROTOCOL_VERSION/
 2014-08-07 12:55:59 +02:00
Erik Ekman
b715be5cf3 Fix authentication bypass bug 
The client could bypass the password check by continuing after getting error
from the server and guessing the network parameters. The server would still
accept the rest of the setup and also network traffic.

Add checks for normal and raw mode that user has authenticated before allowing
any other communication.

Problem found by Oscar Reparaz.
 2014-06-16 21:43:22 +02:00
Erik Ekman
3ebcd29b13 Add support for using an unspecified RR type 
Add PRIVATE query type with id 65399 (private use range).
According to RFC3597 the reply data in a query with unspecified RR type must be handled
as unstructured binary data, which means it can contain raw packet data just like the NULL type.
Since the reply format is optimal it is ordered just after NULL in the priority order.
 2014-06-09 20:06:36 +02:00
Erik Ekman
a23899513d Remove trailing whitespace 2014-06-01 08:46:54 +02:00
Erik Ekman
388afe3845 Update copyright 2014-06-01 08:46:54 +02:00
Erik Ekman
3914d37c99 Move error message generation into topdomain check method 
Change isalpha() to a-z check to avoid locale issues
 2014-05-31 10:07:36 +02:00
Erik Ekman
d6c3426b84 Set C standard to C99 
Also include strings.h where strcasecmp() is used
 2014-05-29 18:38:43 +02:00
Erik Ekman
eca80f769b Merge branch 'master' of https://github.com/jedisct1/iodine 2014-04-06 13:31:34 +02:00
Erik Ekman
f02339b3b2 IPv6: Create single way to format IP addresses 2014-02-06 19:44:26 +01:00
Erik Ekman
a1d88c4f0a IPv6 support for client (#107) 
The iodine client now supports both IPv4 and IPv6 nameservers for
sending DNS queries to an IPv4 iodined. The nameserver will
transparently handle translation between IP protocols.

Windows port needs Vista or later to support IPv6.
 2014-02-05 22:36:53 +01:00
Erik Ekman
8baad91156 Make sure buffer is zero-terminated when getting external ip 
Also switch to HTTP 1.0 to avoid chunked transfer coding.
 2014-01-29 23:12:22 +01:00
Erik Ekman
fb9e930fee Print git revision as version 2014-01-29 20:25:45 +01:00
Erik Ekman
900647fa0c Merge pull request #4 from mscherer/systemd 
Add socket activation for systemd, with a option to stop on idle
 2014-01-29 09:25:00 -08:00
Michael Scherer
abd276ed9e Add idle option, so we can stop iodine and start it on demand with systemd 2013-12-23 22:57:50 +01:00
Michael Scherer
27fb4c75cd Add support to have on demand socket activation of iodine 2013-12-23 22:57:40 +01:00
Michael Scherer
64ff684754 Fix gcc warning -Wsizeof-pointer-memaccess 
iodined.c: In function ‘write_dns_nameenc’:
iodined.c:2030:23: attention : argument to ‘sizeof’ in ‘memset’ call is the same
expression as the destination; did you mean to provide an explicit length? [-Wsizeof-pointer-memaccess]
  memset(buf, 0, sizeof(buf));

sizeof buf will just give the size of the pointer, while buflen will clean the whole
memory.
 2013-12-23 18:04:06 +01:00
Frank Denis
58dac78bd8 Fix NULL pointer deref 2013-05-20 10:30:43 -07:00
Frank Denis
2d90aaaf30 Wipe the whole buffer containing the DNS name, not the size of its pointer 2013-05-20 10:28:25 -07:00
Erik Ekman
43e4fb5448 Add automatic external IP lookup via '-n auto' 
Leonard Lausen proposed iodined should use externalip.net api
to find external ip. Use -n auto to trigger a lookup.
 2012-09-03 10:34:27 +02:00
Erik Ekman
45a5d80c49 Adjust indentation 2012-02-06 20:28:42 +01:00
Marcel Bokhorst
a569030bb7 Android support (#105) patch from Marcel Bokhorst 2012-02-04 20:34:05 +01:00
Erik Ekman
0a968a5144 Initialize 'inside_topdomain'. Fixes #94 2012-02-04 20:34:05 +01:00
Erik Ekman
0be4332193 Fix things mentioned in #91 2012-02-04 20:34:05 +01:00
Erik Ekman
b22e3da5a0 #89, use remote ip as second ip in ifconfig on FreeBSD 2012-02-04 20:34:05 +01:00
Erik Ekman
465cfe54a3 Fix build error on windows 2012-02-04 20:34:04 +01:00
jsbid1
7ae8d04955 Fix #86, patch from jsbid1 gmail.com 2012-02-04 20:34:04 +01:00
J. A. Bezemer
b177901d38 Applied patch from #88, thanks a lot! 2012-02-04 20:34:04 +01:00
J. A. Bezemer
d87432ec18 merge server code #76 2012-02-04 20:34:04 +01:00
J. A. Bezemer
60dfbf1b34 merge dns and user #76 2012-02-04 20:34:04 +01:00
Erik Ekman
d4d88d2ad0 Remove arg to inline_dotify 2012-02-04 20:34:04 +01:00
J. A. Bezemer
40167437d3 update server code #75 2012-02-04 20:34:04 +01:00
Erik Ekman
b6eb8d75d4 Fix FreeBSD build error, remove more includes 2012-02-04 20:34:03 +01:00
Erik Ekman
f9c2257ba9 Prune includes 2012-02-04 20:34:03 +01:00
Guillaume Rischard
3879f96a80 Fix build error on OSX 10.6 by Guillaume Rischard, #79 2012-02-04 20:34:03 +01:00
Erik Ekman
01e558022e #77, get password from env variable 2012-02-04 20:34:03 +01:00
misc
7efdd01ae2 add -F option for writing pid file. Patch from misc@mandriva.org #70 2012-02-04 20:34:03 +01:00
Erik Ekman
ef8e3b7ea4 Fix win32 build error 2012-02-04 20:34:03 +01:00
Erik Ekman
cb926cf0c9 Fix some uninitialized variable warnings 2012-02-04 20:34:03 +01:00
Erik Ekman
473bb93951 #36, Send ping message every 20 seconds 2012-02-04 20:34:03 +01:00
Erik Ekman
e5370ad95b #36, basic raw mode tunnel works 2012-02-04 20:34:02 +01:00
Erik Ekman
58d9615160 #36, upstream traffic now sent in raw mode 2012-02-04 20:34:02 +01:00
Erik Ekman
a62ae8e562 Allow bind port and listen port to be the same if listenip doesnt include localhost. Also remove newlines from warnx 2012-02-04 20:34:02 +01:00
Sebastien Raveau
d5acb508bc Add support for applying SELinux context 2012-02-04 20:34:02 +01:00
Erik Ekman
196b37c402 return 1 if opening tun fails and args are correct 2012-02-04 20:34:02 +01:00
Erik Ekman
f20b3c9511 Remove a global variable and some warnings 2012-02-04 20:34:02 +01:00
Erik Ekman
1235cb3e4a #36 server now responds to raw login, quite a hack 2012-02-04 20:34:02 +01:00