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Jason A. Donenfeld
9b1394b2dc wg: compile on gnu99 
We don't actually use any C11 features, so we can at least compile with
ancient gcc.

Reported-by: Aaron M. D. Jones <aaronmdjones@gmail.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-10-09 15:23:42 +02:00
Jason A. Donenfeld
c1ca487f63 wg: use libc's endianness macro if no compiler macro 
This lets us be compiled with ancient gcc.

Reported-by: Jeff Brandt <jeff@jeffcolo.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-10-09 15:21:27 +02:00
Jason A. Donenfeld
846d2514c5 global: rename struct wireguard_ to struct wg_ 
This required a bit of pruning of our christmas trees.

Suggested-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-10-08 03:38:12 +02:00
Jason A. Donenfeld
54569b7999 netlink: do not stuff index into nla type 
It's not used for anything, and LKML doesn't like the type being used as
an index value.

Suggested-by: Eugene Syromiatnikov <esyr@redhat.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-10-08 03:14:52 +02:00
Jason A. Donenfeld
6790b07868 crypto: clean up remaining .h->.c 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-10-07 16:35:54 +02:00
Jason A. Donenfeld
09c7ab77e9 wg-quick.8: add policy routing example 
Suggested-by: Toke Høiland-Jørgensen <toke@toke.dk>
Suggested-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-10-05 19:20:52 +02:00
Jason A. Donenfeld
646d7a5c78 crypto: make constant naming scheme consistent 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-09-25 03:01:21 +02:00
Jason A. Donenfeld
cef7ac9ef9 global: put SPDX identifier on its own line 
The kernel has very specific rules correlating file type with comment
type, and also SPDX identifiers can't be merged with other comments.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-09-20 19:41:22 +02:00
Jason A. Donenfeld
17546fcd75 global: prefer sizeof(*pointer) when possible 
Suggested-by: Sultan Alsawaf <sultanxda@gmail.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-09-04 11:08:29 -06:00
Jason A. Donenfeld
4d59d1f2c5 crypto: import zinc 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-09-03 23:52:11 -06:00
Jason A. Donenfeld
407b0cb311 wg: ipc: do not warn on unrecognized netlink attributes 
It makes extending things more difficult.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-09-02 23:59:44 -06:00
Jason A. Donenfeld
66054f3638 crypto: use unaligned helpers 
This is not useful for WireGuard, but for the general use case we
probably want it this way, and the speed difference is mostly lost in
the noise.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-08-28 23:20:13 -06:00
Jason A. Donenfeld
b2ec7892c8 wg-quick: check correct variable for route deduplication 
Reported-by: John Sager <john@sager.me.uk>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-08-21 15:42:17 -07:00
Jason A. Donenfeld
ffcc09358e wg-quick: darwin: prefer system paths for tools 
The only things wg-quick(8) needs from Homebrew are bash(1) and wg(8).
Other than that, it's explicitly coded against the native system
utilities. Since wg-quick(8) and bash(1) are invoked in auto_su by their
full absolute path (via $SELF and $BASH, respectively), we can simply
set the $PATH to be prefixed by the default system binary paths. This
way, if users install tools that conflict with system tools -- such as
GNU coreutils -- we won't accidently call those.

Reported-by: Deirdre Connolly <durumcrustulum@gmail.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-08-12 00:28:28 -07:00
Jason A. Donenfeld
544d965d5f wg-quick: android: remove compat code 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-07-24 18:15:17 +02:00
Jason A. Donenfeld
f621f36800 wg-quick: android: allow package to be overridden 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-07-24 18:15:17 +02:00
Jason A. Donenfeld
c61c5a03ee embeddable-wg-library: do not left shift negative numbers 
Otherwise we incur undefined behavior.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-07-24 18:15:17 +02:00
Jason A. Donenfeld
4349005f4e wg-quick: allow link local default gateway 
It's unclear why it was like this in the first place, but it apparently
broke certain IPv6 setups.

Reported-by: Jonas Blahut <j@die-blahuts.de>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-07-16 17:27:00 +02:00
Jason A. Donenfeld
4502f4f2b7 wg: only error on wg show if all interfaces fail 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-07-08 22:38:34 +02:00
Jason A. Donenfeld
4367cd0d3d wg-quick: android: support excluding applications 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-07-05 19:26:13 +02:00
Jason A. Donenfeld
b3b6d97db8 wg-quick: android: prevent outgoing handshake packets from being dropped 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-06-25 16:15:35 +02:00
Jonathan Neuschäfer
a54a133500 wg: fix misspelling of strchrnul in comment 
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-06-22 04:09:39 +02:00
Jonathan Neuschäfer
ef54cbf568 manpages: eliminate whitespace at the end of the line 
This eliminates a few style warnings from "mandoc -T lint src/tools/wg*.8".

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-06-22 04:09:39 +02:00
Jason A. Donenfeld
02733c681b wg-quick: android: don't forget to free compiled regexes 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-06-17 19:36:37 +02:00
Jason A. Donenfeld
3bbacaaf14 wg-quick: android: disable roaming to v6 networks when v4 is specified 
This works around an unfortunate bug in 464XLAT transitions.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-06-17 19:36:37 +02:00
Jason A. Donenfeld
2ce4680bd3 dns-hatchet: apply resolv.conf's selinux context to new resolv.conf 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-06-17 19:36:37 +02:00
Jason A. Donenfeld
6f85449d79 wg: getentropy requires 10.12 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-06-14 05:25:23 +02:00
Jason A. Donenfeld
0632c8af68 wg: support getentropy(3) 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-06-08 03:24:46 +02:00
Jason A. Donenfeld
d90e49599b wg: encoding: add missing static array constraints 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-06-06 00:05:58 +02:00
Jason A. Donenfeld
8c4cf156d5 wg-quick: android: change name of intent 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-06-04 07:05:58 +02:00
Jason A. Donenfeld
2044bb026d wg-quick: android: delay setting users until end 
`ndc users add` eventually invokes SOCK_DESTROY on user sockets, causing
them to reconnect. By delaying this until after routes are set, we
ensure that the sockets reconnect using the tunnel, rather than the old
route.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-31 16:38:08 +02:00
Jason A. Donenfeld
2bca99893f wg: constanter time encoding 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-31 01:24:51 +02:00
Jason A. Donenfeld
206e8f08e2 wg-quick: darwin: set DNS servers after delay on route change 
This works around a race condition in macOS's network daemons, while
also adding one in the form of possibly calling kill -ALRM on a stale
PID; unfortunately bash can't wait from a trap.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-31 01:24:51 +02:00
Jason A. Donenfeld
d532074ef5 wg-quick: freebsd: configure as p2p link 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-27 05:24:07 +02:00
Jason A. Donenfeld
df6c69e98c wg-quick: darwin: add multiple IP addresses 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-27 05:22:55 +02:00
Jason A. Donenfeld
19ce650fb6 wg-quick: determine IPs when saving interface 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-27 02:42:31 +02:00
Jason A. Donenfeld
c99e6beecb wg-quick: freebsd: work around security vulnerabilities in bash 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-24 02:24:02 +02:00
Jason A. Donenfeld
86dd5587a9 wg-quick: allow enumeration of socket files 
These OSes have an unpriv'd ifconfig, so this isn't an even larger info
leak.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-23 15:31:47 +02:00
Jason A. Donenfeld
3d089e07e2 wg-quick: better bash completion for non-renaming OSes 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-23 15:24:07 +02:00
Jason A. Donenfeld
d40231c766 wg-quick: support FreeBSD/Darwin search path 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-23 15:24:07 +02:00
Jason A. Donenfeld
b818e71ba5 wg: always pass -v as first argument to install 
This lets crippled OSes sed out our -v more easily.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-23 05:23:59 +02:00
Jason A. Donenfeld
6b7f88aa7d wg-quick: openbsd: add new implementation 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-22 16:41:59 +02:00
Jason A. Donenfeld
333363f77c wg-quick: freebsd: add new implementation 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-22 16:41:59 +02:00
Jason A. Donenfeld
52eb6a187c wg-quick: darwin: do not remove routes when no real interface 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-22 16:41:59 +02:00
Jason A. Donenfeld
59dae33e9a wg-quick: darwin: rename namefile environment variable 
This paves the way for an openbsd implementation.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-22 16:41:59 +02:00
Filippo Valsorda
9d52a812c8 wg: fix OpenBSD build 
License: MIT
Signed-off-by: Filippo Valsorda <valsorda@google.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-22 16:41:59 +02:00
Jason A. Donenfeld
550119bb08 ncat-client-server: do not always call sudo and use env bash 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-22 16:41:59 +02:00
Jason A. Donenfeld
a8654606c2 wg: fix errno propagation and messages 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-18 19:51:51 +02:00
Jason A. Donenfeld
434bc616b2 wg-quick: darwin: simpler inclusion check 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-17 19:30:34 +02:00
Jason A. Donenfeld
986feba2ee wg-quick: darwin: reorder functions 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2018-05-17 05:01:50 +02:00