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478 Commits

Author SHA1 Message Date
Erik Ekman
7433423836 Remove redundant strerror() in warn() calls 2014-08-07 20:03:46 +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
Jason A. Donenfeld
cc4bc22447 osflags: use pkg-config for systemd support 
Recent versions of systemd don't ship with libsystemd-daemon.so anymore,
but instead use libsystemd.so for everything. This is obviously
problematic for using the same LDFLAGS on old systemd and new systemd.
So, they also ship compatability pkgconfig files, which use the old
names but return the new library. So, the most portable way to support
both old and new systemd is to use pkgconfig. It's not a problem either,
since systems that use systemd are bound to also have pkgconfig
installed.
 2014-07-25 02:02:48 +02:00
Erik Ekman
eec0a868d9 Set correct sockaddr length when sending 
Fix EINVAL error on NetBSD
 2014-06-16 22:28:04 +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
bf658b0c59 Misc cleanup of tun.c 
- Make variables static
- open_tun(): First Linux code, then Windows, then BSDs
- write_tun()/read_tun(): Split Windows and normal code
 2014-06-11 21:04:22 +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
2466cd184a Change readshort() to work with unsigned values 2014-06-09 19:47:44 +02:00
Erik Ekman
1f4b9250cf Check that supplied query type is valid 2014-06-09 18:56:32 +02:00
Erik Ekman
4d7678dc5b Prefix exported functions from client.c 2014-06-09 18:11:16 +02:00
Erik Ekman
fbb5a49cf3 Fix windows build 2014-06-05 02:19:57 +02:00
Erik Ekman
3fadbfb580 Do not let sockets be inherited by sub-processes 
Set FD_CLOEXEC flag on tunnel and UDP file descriptors.
Fixes ticket #99, "should not allow UDP socket to be inherited by ifconfig"
 2014-06-04 17:48:43 +09:00
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
95dedf51db Simplify opening UDP socket in win32 tun reader 2014-05-31 21:22:03 +02:00
Erik Ekman
d0fb85e8cf Do not use 53 as source port for DNS/raw traffic. 
For some reason this makes raw traffic get dropped.
 2014-05-31 21:20:04 +02:00
Erik Ekman
5b71224def Fix segfault in windows tun reader thread 
The arguments to open_dns() needs to be updated after API change.
Called with 0, INADDR_ANY used to mean port, IP address but now means
pointer to sockadddr and its length. Thanks to C for not giving any
warnings or errors..
 2014-05-31 19:33:25 +02:00
Erik Ekman
00268bc160 Fix two unused variables for windows build 2014-05-31 10:19:46 +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
9bb2323f84 Improve check of topdomain to use 
Add more checks and unit tests
 2014-05-30 00:18:45 +02:00
Erik Ekman
bacb69e4f0 Mark usage() method as noreturn to avoid warning on BSD 
Warning from OpenBSD/NetBSD:
  CC iodine.c
  iodine.c: In function 'main':
  iodine.c:141:6: warning: 'nameservaddr_len' may be used uninitialized in this function
 2014-05-29 23:21:55 +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
b079b0eda5 Fix build error and a warning on OpenBSD 2014-05-29 16:18:59 +02:00
Barak A. Pearlmutter
88590bcaaf Mixing signed and unsigned quantities in MIN() upset GCC's tender soul. 2014-04-06 13:41:31 +02:00
Barak A. Pearlmutter
f73fb9f8d0 rewrite comparison to avoid negative unsigned numbers 
Note that GCC -O2 is happy to optimize away (x<0) when x is an
unsigned quantity.  This was actually occurring in CHECKLEN(0),
causing the compiler to issue a warning.
 2014-04-06 13:41:17 +02:00
Erik Ekman
acd6c37ac1 Fix build after rtable patch 2014-04-06 13:35:09 +02:00
Erik Ekman
eca80f769b Merge branch 'master' of https://github.com/jedisct1/iodine 2014-04-06 13:31:34 +02:00
Erik Ekman
619ede5da8 Add options to force IP version for client DNS traffic 2014-02-10 22:52:31 +01:00
Erik Ekman
540d3795a9 Switch from inet_pton() to getnameinfo() for portability 
Windows XP is supported again
 2014-02-06 22:50:23 +01:00
Erik Ekman
f02339b3b2 IPv6: Create single way to format IP addresses 2014-02-06 19:44:26 +01:00
Erik Ekman
400f45c793 Do not use AI_ADDRCONFIG on Windows 
It was not available on my MinGW crosscompiler,
and it may be harmful:
https://code.google.com/p/chromium/issues/detail?id=5234

Also, remove old conflicting WINVER in osflags.
It is set in src/windows.h now.
 2014-02-05 22:55:35 +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
967276f3ba Fix git revision for android 2014-01-29 20:34:00 +01:00
Erik Ekman
fb9e930fee Print git revision as version 2014-01-29 20:25:45 +01:00
Erik Ekman
97b5e688ef Fix warning, unused variable 'accepted_fragsize' 2014-01-29 19:33:54 +01:00
Erik Ekman
a7f491f808 Fix warning, unused variable 'rtable' 2014-01-29 19:12:46 +01:00
Erik Ekman
4f02f7d0aa Fix warning, unused variable 'encsize' 2014-01-29 19:12:42 +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
28ceecba37 size_t values can't be negative. 2013-05-20 10:40:44 -07:00
Frank Denis
1523a4f035 snprintf() is a macro on some operating systems 
and having #ifdef statements in macro parameters has undefined behavior.
 2013-05-20 10:39:05 -07:00
Frank Denis
b31e66343a -R only works on OpenBSD. 2013-05-20 10:31:39 -07:00
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
Frank Denis
ac7cbd4435 Check set[e]uid return code 2013-05-20 10:27:23 -07:00
Erik Ekman
59dbaf2b50 Merge pull request #1 from zschoche/master 
Bugfix for Mountain Lion
 2013-01-15 00:26:02 -08:00
Jason A. Donenfeld
ade78ac8a2 More generic way of finding ifconfig. 2012-09-09 14:02:54 +02:00
Erik Ekman
c99f381719 Set WINVER to Windows XP to support getaddrinfo 2012-09-03 10:52:04 +02:00
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
Philipp Zschoche
e1e438497a after update to OSX 10.8 I've gotten these error: 
route: writing to routing socket: Can't assign requested address
add net 192.168.99.2: gateway 192.168.99.2: Can't assign requested address

This change fix that!
 2012-07-31 22:09:53 +02:00
Erik Ekman
b30abea6b0 Reorganize imports for OpenBSD 2012-02-10 23:26:27 +01:00
Erik Ekman
45a5d80c49 Adjust indentation 2012-02-06 20:28:42 +01:00
Erik Ekman
24f1959bab Rename user struct to fix ubuntu arm build failure 2012-02-05 00:49:30 +01:00
Erik Ekman
423cbec41d Added android specific readme file, along with new make targets 
Also updated changelog.
 2012-02-05 00:36:15 +01:00
Pavel Pergamenshchik
85be9b07d1 Missing break in iodine.c command-line parsing 
Bug-Ubuntu: https://bugs.launchpad.net/bugs/880508
Author: Pavel Pergamenshchik <ppergame@gmail.com>
Reviewed-by: gregor herrmann <gregoa@debian.org>
Last-Update: 2011-10-23
 2012-02-04 22:38:27 +01:00
Marcel Bokhorst
a569030bb7 Android support (#105) patch from Marcel Bokhorst 2012-02-04 20:34:05 +01:00
Erik Ekman
66d9428dff Add check for SO_RTABLE support in openbsd, #95 2012-02-04 20:34:05 +01:00
Laurent Ghigonis
d4849a5dbf Add support for openbsd routing domain, #95 2012-02-04 20:34:05 +01:00
Håkan Kvist
9c3343e6ac Allow spaces in passwords, #93 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
Erik Ekman
6e2cf70587 Fix osx compile, maybe also OpenBSD 2012-02-04 20:34:04 +01:00
Erik Ekman
79f0092c70 Fix compile for win32 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
Erik Ekman
1a26a91db3 #82, switch to gethostbyname() for win32 support 2012-02-04 20:34:04 +01:00
Erik Ekman
c5bdf07070 #82 update docs 2012-02-04 20:34:04 +01:00
Erik Ekman
365aab1d29 #82, fix resolving given nameserver on everything but win32 2012-02-04 20:34:04 +01:00
Erik Ekman
acd264b435 Make sure replies with errors get the name parsed 2012-02-04 20:34:04 +01:00
Erik Ekman
269499ba43 Print DNS errors only when requested packet has an error 2012-02-04 20:34:04 +01:00
Erik Ekman
326da432c9 Fix buggy set lazy mode function 2012-02-04 20:34:04 +01:00
J. A. Bezemer
3c48602747 merge client code #76 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
J. A. Bezemer
05e99c7a3f start merging common and docs #76 2012-02-04 20:34:04 +01:00
Erik Ekman
92b160a416 Fix mtu fragment size probing 2012-02-04 20:34:04 +01:00
Erik Ekman
5951166b36 Fix data length in encoding dns queries 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
J. A. Bezemer
55cfed9956 update client code #75 2012-02-04 20:34:03 +01:00
J. A. Bezemer
2c2dd6f06e update client code #75 2012-02-04 20:34:03 +01:00
J. A. Bezemer
90e25e3a2c update dns parsing #75 2012-02-04 20:34:03 +01:00
J. A. Bezemer
c2bc500cba add downenc per-user field #75 2012-02-04 20:34:03 +01:00
J. A. Bezemer
1fcab767cd Add win32 defines for TXT and SRV #75 2012-02-04 20:34:03 +01:00
J. A. Bezemer
05a23a544d add win32 defines #75 2012-02-04 20:34:03 +01:00
J. A. Bezemer
4c0fe80ba8 add txt read/write #75 2012-02-04 20:34:03 +01:00
J. A. Bezemer
fb17474438 base32 decode uppercase #75 2012-02-04 20:34:03 +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
Erik Ekman
379ca540ef Fix OpenBSD build error 2012-02-04 20:34:03 +01:00
Erik Ekman
93a313b130 Added new test, found and fixed an actual bug 2012-02-04 20:34:03 +01:00
Erik Ekman
a1a2e3cefe Refactored to make it easier to add unit tests 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
0cdd537819 #78, print server tunnel ip 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
Erik Ekman
8074696a14 Fix password reading 2012-02-04 20:34:03 +01:00
Erik Ekman
27fdc23433 Split the client code out from the file with the main() func 2012-02-04 20:34:03 +01:00
Erik Ekman
1137ac6ac9 Updated docs 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
2482a42d01 Fixes for unpacking raw packets 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
Victor Ostorga
24871faa99 Keep user CC and CFLAGS/LDFLAGS. 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
7e4ee6c470 #36, update printouts 2012-02-04 20:34:03 +01:00
Erik Ekman
ebc1b2f7f8 #36, Use -r to skip raw mode 2012-02-04 20:34:02 +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
02c06d742f Formatting 2012-02-04 20:34:02 +01:00
Erik Ekman
293796fcf6 Fix #65, randomize rand_seed on startup 2012-02-04 20:34:02 +01:00
Erik Ekman
938c2458b9 Exit if IP/mtu can not be configured 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
cf78fdca85 print error if tun device is already taken 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
da50020f5b return 1 if connection failed, #62 2012-02-04 20:34:02 +01:00
Erik Ekman
e84b317e0e Small tweaks 2012-02-04 20:34:02 +01:00
Erik Ekman
8fc8ce587c Any number of TAP32 interfaces supported, use -d to choose. #46 2012-02-04 20:34:02 +01:00
Erik Ekman
e59aaa523e Fixed #47, support any TAP device name 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
de976d0558 #36 client now reads raw reply 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
Erik Ekman
c92ed9bad8 #36 send raw login packet directly to server 2012-02-04 20:34:02 +01:00
Erik Ekman
950c0870b2 Added CMC to I and S packet types 2012-02-04 20:34:02 +01:00
Erik Ekman
3eef144fce #36 fetch remote ip number after login 2012-02-04 20:34:02 +01:00
Erik Ekman
27fc039700 #36, add way to request ip address from server 2012-02-04 20:34:02 +01:00
Erik Ekman
96ee6f9630 Use recv on windows and read for the others 2012-02-04 20:34:01 +01:00
Luigi Rizzo
8b95bded10 Use read instead of recv, #58. 2012-02-04 20:34:01 +01:00
Erik Ekman
4bbf4ecd14 Check that nameserver was found 2012-02-04 20:34:01 +01:00
Erik Ekman
5dccfbecf6 Use ssize_t for read variable (ticket #57) 2012-02-04 20:34:01 +01:00
Erik Ekman
a3a20a2b09 #53 Support TAP32 version 0901 as well 2012-02-04 20:34:01 +01:00
Erik Ekman
7d140addae print dot while waiting for probe responses 2012-02-04 20:34:01 +01:00
Erik Ekman
addd798712 Set interface MTU to 1200. 
1188 is the uncompressed DNS reply payload size that gets through
unfragmented on Ethernet.
 2012-02-04 20:34:01 +01:00
Erik Ekman
3db5cd24b7 Fix (ignore) Dont-Fragment for OpenBSD and OS X 2012-02-04 20:34:01 +01:00
Erik Ekman
1bddcd33aa Set Dont-Fragment for various os 2012-02-04 20:34:01 +01:00
Erik Ekman
789d8f3450 Use winsock2.h, use ws2tcpip.h for socklen_t 2012-02-04 20:34:01 +01:00
Erik Ekman
54195968c7 Use winsock2.h, use ws2tcpip.h for socklen_t 2012-02-04 20:34:01 +01:00
Erik Ekman
bc18afcc83 do proper mtu detection, ticket #54 2012-02-04 20:34:01 +01:00
Erik Ekman
7b30a2e504 actually accept mtu=1500 2012-02-04 20:34:01 +01:00
Erik Ekman
84f5965825 Increase default mtu to 1500 2012-02-04 20:34:01 +01:00
Erik Ekman
751f672a27 properly encode >1024 in probe requests (fix #52) 2012-02-04 20:34:01 +01:00
Erik Ekman
3e07afd13b change all printf to fprintf on stderr for #49 2012-02-04 20:34:01 +01:00
Erik Ekman
9c738bbc81 #44 hide password input 2012-02-04 20:34:01 +01:00
Erik Ekman
990a03e93d #45: free the info pointer 2012-02-04 20:34:01 +01:00
Erik Ekman
13a5b7c2db #45: use static buffer 2012-02-04 20:34:01 +01:00