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Daniel Gröber e6888dd74e wg-quick: run PreUp hook after creating interface 
Currently PreUp hooks run before the interface is created. This is
problematic for moving the device into a Linux VRFs as this will
currently clear all assigned IPv6 addressess (possibly a bug), so if we
did this in PostUp (i.e. before add_addr) we'll have to manually re-add
all assigned addresses. This is obviously less than ideal.

Instead create the wg device just before running PreUp hooks. We apply
this to all platforms for consistency.

Test case:

    $ ip link add vrf-test type vrf table 1234
    $ ip link add wg-test type wireguard
    $ ip addr add dev wg-test 192.168.42.42/24
    $ ip addr add dev wg-test fe80::/64

    $ ip -br addr show wg-test
    wg-test          DOWN           192.168.42.42/24 fe80::/64

    $ ip link set dev wg-test master vrf-test

    $ ip -br addr show wg-test
    wg-test          DOWN           192.168.42.42/32

Signed-off-by: Daniel Gröber <dxld@darkboxed.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 		2023-05-18 16:38:34 +02:00
contrib reresolve-dns: use $EPOCHSECONDS instead of $(date +%s) 2022-01-04 13:07:49 +01:00
src wg-quick: run PreUp hook after creating interface 2023-05-18 16:38:34 +02:00
.gitattributes git: add gitattributes so tarball doesn't have gitignore files 2020-04-08 23:54:42 -06:00
.gitignore ipc: add wireguard-nt support 2021-07-20 13:24:18 +02:00
COPYING Initial commit 2016-06-25 16:48:39 +02:00
README.md netlink: remove libmnl requirement 2020-02-03 18:17:27 +01:00

README.md

wireguard-tools — tools for configuring WireGuard

This supplies the main userspace tooling for using and configuring WireGuard tunnels, including the wg(8) and wg-quick(8) utilities. This project supports Linux, OpenBSD, FreeBSD, macOS, Windows, and Android.

More information may be found at WireGuard.com.

Building

$ cd src
$ make

There are no dependencies other than a good C compiler and a sane libc.

Installing

# make install

This command takes into account several environment variables:

  • PREFIX default: /usr

  • DESTDIR default:

  • BINDIR default: $(PREFIX)/bin

  • LIBDIR default: $(PREFIX)/lib

  • MANDIR default: $(PREFIX)/share/man

  • BASHCOMPDIR default: $(PREFIX)/share/bash-completion/completions

  • RUNSTATEDIR default: /var/run

  • PKG_CONFIG default: pkg-config

  • WITH_BASHCOMPLETION default: [auto-detect]

  • WITH_WGQUICK default: [auto-detect]

  • WITH_SYSTEMDUNITS default: [auto-detect]

  • DEBUG default:

The first section is rather standard. The second section is not:

  • WITH_BASHCOMPLETION decides whether or not bash completion files for the tools are installed. This is just a nice thing for people who have bash. If you don't have bash, or don't want this, set the environment variable to no. If you'd like to force its use, even if bash-completion isn't detected in DESTDIR, then set it to yes.

  • WITH_WGQUICK decides whether or not the wg-quick(8) script is installed. This is a very quick and dirty bash script for reading a few extra variables from wg(8)-style configuration files, and automatically configures the interface. If you don't have bash, you probably don't want this at all. Likewise, if you already have a working network management tool or configuration, you probably want to integrate wg(8) or the direct WireGuard API into your network manager, rather than using wg-quick(8). But for folks who like simple quick and dirty scripts, this is nice. If you'd like to force its use, even if bash isn't detected in DESTDIR, then set it to yes.

  • WITH_SYSTEMDUNITS decides whether or not systemd units are installed for wg-quick(8). If you don't use systemd, you certainly don't want this, and should set it to no. If systemd isn't auto-detected, but you still would like to install it, set this to yes.

  • DEBUG decides whether to build with -g, when set to yes.

If you're a simple make && make install kind of user, you can get away with not setting these variables and relying on the auto-detection. However, if you're writing a package for a distro, you'll want to explicitly set these, depending on what you want.

contrib/

The contrib/ subdirectory contains various scripts and examples. Most of these are not immediately useful for production use, but should provide inspiration for creating fully-featured tools. See the README in each directory.

License

This project is released under the GPLv2.