[PATCH 1/1] queueing: skb_reset_redirect change has been backported to 5.[45]

2020-04-01 Thread Christian Hesse
From: Christian Hesse 

This is a follow up to 2d4fa2a6e7903ec3340f1b075456cbd84ba6a744.

Upstream commit 2c64605b590edadb3fb46d1ec6badb49e940b479 has been backported
to 5.4.29 and 5.5.14.

Signed-off-by: Christian Hesse 
---
 src/compat/compat.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/compat/compat.h b/src/compat/compat.h
index fe2d07e..7f16332 100644
--- a/src/compat/compat.h
+++ b/src/compat/compat.h
@@ -1024,7 +1024,8 @@ out:
 #define COMPAT_CANNOT_USE_MAX_MTU
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 6, 0)
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 4, 29) || \
+(LINUX_VERSION_CODE >= KERNEL_VERSION(5, 5, 0) && LINUX_VERSION_CODE < 
KERNEL_VERSION(5, 5, 14)))
 #include 
 static inline void skb_reset_redirect(struct sk_buff *skb)
 {


Re: DKMS failure on Ubuntu with linux-5.4.6 (generic)

2019-12-26 Thread Christian Hesse
Lee Yates  on Mon, 2019/12/23 00:26: 
> Does anyone have any ideas? The error log was somewhat vague (to my
> uneducated eyes).

Already fixed, just use the latest code:

https://git.zx2c4.com/wireguard-linux-compat/commit/?id=e206c2b9e94ae13a9ccbec51173213265c01367c

-- 
main(a){char*c=/*Schoene Gruesse */"B?IJj;MEH"
"CX:;",b;for(a/*Best regards my address:*/=0;b=c[a++];)
putchar(b-1/(/*Chriscc -ox -xc - && ./x*/b/42*2-3)*42);}


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Re: binary module for arch?

2019-01-01 Thread Christian Hesse
"Jason A. Donenfeld"  on Wed, 2019/01/02 01:22:
> Hi Christian,
> 
> On Tue, Jan 1, 2019 at 9:50 PM Christian Hesse  wrote:
> >
> > "Jason A. Donenfeld"  on Mon, 2018/12/31 01:58:  
> > > Hey Christian,
> > >
> > > I noticed there are now two distro-built packages for wireguard for
> > > arch -- wireguard-lts and wireguard-arch. These seem probably more
> > > convenient for most people than the dkms one. What would you recommend
> > > in terms of updating wireguard.com/install/ ? And do you plan on
> > > depreciating the dkms one at some point, or do you think it will
> > > remain useful for certain users?  
> > some people gave their legit reasons to keep wireguard-dkms. I have to add
> > another one: It is a build-dependency for the binary modules packages. So
> > it will stay definitely. ;)  
> 
> Makes sense. I was mostly wondering about that first question though:
> what would you recommend I put on wireguard.com/install/ for Arch
> users?

I sent another mail to the other branch of the thread. Did that answer your
question?
-- 
main(a){char*c=/*Schoene Gruesse */"B?IJj;MEH"
"CX:;",b;for(a/*Best regards my address:*/=0;b=c[a++];)
putchar(b-1/(/*Chriscc -ox -xc - && ./x*/b/42*2-3)*42);}


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Re: binary module for arch?

2019-01-01 Thread Christian Hesse
Jordan Glover  on Tue, 2019/01/01 12:44:
> On Monday, December 31, 2018 5:11 PM, John  wrote:
> 
> > My recommendation is to change the wording under the command on your
> > install page to something like: "Users of the distro provided kernels
> > (linux and linux-lts) may download the requisite corresponding
> > precompiled wireguard module. Users of custom kernels will require the
> > wireguard-dkms package and corresponding kernel headers to compile the
> > module."
> >  
> 
> This isn't strictly true as there are distro provided kernels
> (linux-hardened and linux-zen) which don't have wireguard binary modules
> available. Below would be more appropriate:
> 
> "Users of linux and linux-lts kernels may download the requisite
> corresponding precompiled wireguard module. Users of other kernels will
> require the wireguard-dkms package and corresponding kernel headers to
> compile the module."

I would propose another change in wording as you do not download modules but
packages:

"Users of linux and linux-lts kernels may download the requisite
corresponding precompiled wireguard module package. Users of other kernels
will require the wireguard-dkms package and corresponding kernel headers to
compile the module."

Installing wireguard-tools package with pacman gives info about optional
dependencies, so the name of the required packages should be obvious.
-- 
Schoene Gruesse
Chris


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Re: binary module for arch?

2019-01-01 Thread Christian Hesse
"Jason A. Donenfeld"  on Mon, 2018/12/31 01:58:
> Hey Christian,
> 
> I noticed there are now two distro-built packages for wireguard for
> arch -- wireguard-lts and wireguard-arch. These seem probably more
> convenient for most people than the dkms one. What would you recommend
> in terms of updating wireguard.com/install/ ? And do you plan on
> depreciating the dkms one at some point, or do you think it will
> remain useful for certain users?

Hey Jason,

some people gave their legit reasons to keep wireguard-dkms. I have to add
another one: It is a build-dependency for the binary modules packages. So it
will stay definitely. ;)
-- 
Best regards,
Chris


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[PATCH 1/1] fix install target for dkms sources

2018-10-07 Thread Christian Hesse
From: Christian Hesse 

Commit ad5e4210 (global: rename include'd C files to be .c) breaks
install target for dkms sources. Fix installing selftest/*.c.

Signed-off-by: Christian Hesse 
---
 src/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Makefile b/src/Makefile
index 8543b99..b65ca0a 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -52,7 +52,7 @@ install:
@$(MAKE) -C tools install
 
 rwildcard=$(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) $(filter 
$(subst *,%,$2),$d))
-DKMS_SOURCES := version.h Makefile Kbuild Kconfig dkms.conf $(filter-out 
version.h wireguard.mod.c,$(wildcard *.c *.h selftest/*.h uapi/*.h)) $(call 
rwildcard,crypto/,*.c *.h *.S *.include) $(call rwildcard,compat/,*.c *.h 
*.include)
+DKMS_SOURCES := version.h Makefile Kbuild Kconfig dkms.conf $(filter-out 
version.h wireguard.mod.c,$(wildcard *.c *.h selftest/*.c uapi/*.h)) $(call 
rwildcard,crypto/,*.c *.h *.S *.include) $(call rwildcard,compat/,*.c *.h 
*.include)
 dkms-install: $(DKMS_SOURCES)
@$(foreach f,$(DKMS_SOURCES),install -v -m0644 -D $(f) 
$(DESTDIR)$(DKMSDIR)/$(f);)
 
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Re: FAQ and quickstart

2017-01-16 Thread Christian Hesse
"Jason A. Donenfeld"  on Mon, 2017/01/16 14:26:
> Hi Christian,
> 
> Should the wireguard Arch package depend on linux-headers? Or the dkms
> package on linux-headers? Or is it just the Arch-way that dkms merely
> prints a warning but doesn't actually have real package deps?

We have several linux packages in our repositories. Users may use linux-lts,
linux-zen, linux-grsec or anything from AUR with the corresponding headers
package. Depending on 'linux-headers' would force the users to install linux
and linux-headers packages.

Even the tools' dependency on the module is something people complain about...

So I think I will keep things as-is. Users are advised to read install
messages. :-P
-- 
main(a){char*c=/*Schoene Gruesse */"B?IJj;MEH"
"CX:;",b;for(a/*Best regards my address:*/=0;b=c[a++];)
putchar(b-1/(/*Chriscc -ox -xc - && ./x*/b/42*2-3)*42);}


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Re: [PATCH 1/1] make the systemd unit example more general

2016-12-08 Thread Christian Hesse
"Jason A. Donenfeld"  on Thu, 2016/12/08 12:18:
> I like this, but two questions.
> 
> 1. Why did you get rid of the ExecStop config saving line?

I do not like units altering configuration. If you want to save configuration
on stop create a second unit with correct dependencies an ordering that
writes the configuration.

> 2. You're not planning to actually package this unit file, are you?

Not sure about that. :-p At least I left it in examples directory. ;)

In first place this is a RFC. Nevertheless we should polish things a bit and
provide a usable systemd unit.

I still do not like to have two files that hold the settings... But no idea
how to get rid of that in a clean way. Having shell code in a systemd unit is
even worse...
-- 
main(a){char*c=/*Schoene Gruesse */"B?IJj;MEH"
"CX:;",b;for(a/*Best regards my address:*/=0;b=c[a++];)
putchar(b-1/(/*Chriscc -ox -xc - && ./x*/b/42*2-3)*42);}


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[PATCH 1/1] make the systemd unit example more general

2016-12-08 Thread Christian Hesse
From: Christian Hesse <m...@eworm.de>

Signed-off-by: Christian Hesse <m...@eworm.de>
---
 contrib/examples/systemd/README|  5 +++--
 contrib/examples/systemd/example.address   |  1 +
 contrib/examples/systemd/example.conf  |  8 
 contrib/examples/systemd/wgserver.service  | 15 ---
 contrib/examples/systemd/wgserver@.service | 15 +++
 5 files changed, 27 insertions(+), 17 deletions(-)
 create mode 100644 contrib/examples/systemd/example.address
 create mode 100644 contrib/examples/systemd/example.conf
 delete mode 100644 contrib/examples/systemd/wgserver.service
 create mode 100644 contrib/examples/systemd/wgserver@.service

diff --git a/contrib/examples/systemd/README b/contrib/examples/systemd/README
index 1ef51aa..b8f4455 100644
--- a/contrib/examples/systemd/README
+++ b/contrib/examples/systemd/README
@@ -1,5 +1,6 @@
 Until WireGuard receives full integration to the various network
 management utilities, there are a number of ways of setting up
 a WireGuard tunnel at boot time. This systemd unit file is one
-such way of doing things. Probably it should be tweaked before
-using.
+such way of doing things.
+Configuration files example.address and example.conf are expected
+in /etc/wireguard/, then start service wgserver@example.service.
diff --git a/contrib/examples/systemd/example.address 
b/contrib/examples/systemd/example.address
new file mode 100644
index 000..983bb76
--- /dev/null
+++ b/contrib/examples/systemd/example.address
@@ -0,0 +1 @@
+ADDRESS=10.10.10.1/24
diff --git a/contrib/examples/systemd/example.conf 
b/contrib/examples/systemd/example.conf
new file mode 100644
index 000..1cfc5ee
--- /dev/null
+++ b/contrib/examples/systemd/example.conf
@@ -0,0 +1,8 @@
+[Interface]
+PrivateKey = gI6EdUSYvn8ugXOt8QQD6Yc+JyiZxIhp3GInSWRfWGE=
+ListenPort = 21841
+
+[Peer]
+PublicKey = HIgo9xNzJMWLKASShiTqIybxZ0U3wGLiUeJ1PKf8ykw=
+Endpoint = 192.95.5.69:41414
+AllowedIPs = 10.10.10.0/24
diff --git a/contrib/examples/systemd/wgserver.service 
b/contrib/examples/systemd/wgserver.service
deleted file mode 100644
index dfce1e9..000
--- a/contrib/examples/systemd/wgserver.service
+++ /dev/null
@@ -1,15 +0,0 @@
-[Unit]
-Description=WireGuard Server
-
-[Service]
-Type=oneshot
-RemainAfterExit=yes
-ExecStart=/bin/ip link add dev wgserver type wireguard
-ExecStart=/bin/ip address add 192.168.177.1/24 dev wgserver
-ExecStart=/usr/bin/wg setconf wgserver /etc/wireguard-server.conf
-ExecStart=/bin/ip link set up dev wgserver
-ExecStop=/bin/sh -c 'umask 077; /usr/bin/wg showconf wgserver > 
/etc/wireguard-server.conf.tmp && mv /etc/wireguard-server.conf.tmp 
/etc/wireguard-server.conf'
-ExecStop=/bin/ip link del dev wgserver
-
-[Install]
-WantedBy=multi-user.target
diff --git a/contrib/examples/systemd/wgserver@.service 
b/contrib/examples/systemd/wgserver@.service
new file mode 100644
index 000..721ce88
--- /dev/null
+++ b/contrib/examples/systemd/wgserver@.service
@@ -0,0 +1,15 @@
+[Unit]
+Description=WireGuard Server %I
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+EnvironmentFile=/etc/wireguard/%i.address
+ExecStart=/bin/ip link add dev %i type wireguard
+ExecStart=/bin/ip address add $ADDRESS dev %i
+ExecStart=/usr/bin/wg setconf %i /etc/wireguard/%i.conf
+ExecStart=/bin/ip link set up dev %i
+ExecStop=/bin/ip link del dev %i
+
+[Install]
+WantedBy=multi-user.target
-- 
2.10.2

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Re: [PATCH v2 1/1] add dkms configuration file dkms.conf

2016-12-06 Thread Christian Hesse
"Jason A. Donenfeld" <ja...@zx2c4.com> on Tue, 2016/12/06 19:14:
> On Tue, Dec 6, 2016 at 10:35 AM, Christian Hesse <l...@eworm.de> wrote:
> > "Jason A. Donenfeld" <ja...@zx2c4.com> on Sat, 2016/12/03 23:21:  
> > > I like the general idea here of including dkim in WireGuard now,  
> >
> > 'dkim' is mail security... We have dkms. ;)  
> 
> Lol!
> 
> > For Arch Linux we install dkms sources to /usr/src/$pkgname-$pkgver, so
> > for wireguard we have: /usr/src/wireguard-0.0.20161129/
> > To have something like this would be great:
> > make DESTDIR="$pkgdir/" DKMSDIR="/usr/src/$pkgname-$pkgver" dkms  
> 
> How does this look to you:
> https://git.zx2c4.com/WireGuard/commit/?id=b70677fb8af28cbaec810146144858ad07a879ed
> 
> You can simply run:
> 
> make DESTDIR="$pkgdir/" DKMSDIR="/usr/src/$pkgname-$pkgver" dkms-install
> 
> You can also adjust SRCDIR or PREFIX, but I imagine you'll want to
> keep these as is. All variables are also inherited from the
> environment, so if the package manager sets these globally, things are
> even easier.
> 
> What do you think of that?

Looks good!

Here are my changes for the git package:

https://aur.archlinux.org/cgit/aur.git/commit/?h=wireguard-git=dbb8a8cd7a98d3e5d338a4c1103eb7fae1b4c40c

Thanks a lot!
-- 
main(a){char*c=/*Schoene Gruesse */"B?IJj;MEH"
"CX:;",b;for(a/*Best regards my address:*/=0;b=c[a++];)
putchar(b-1/(/*Chriscc -ox -xc - && ./x*/b/42*2-3)*42);}


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Re: [PATCH v2 1/1] add dkms configuration file dkms.conf

2016-12-06 Thread Christian Hesse
"Jason A. Donenfeld"  on Sat, 2016/12/03 23:21:
> I like the general idea here of including dkim in WireGuard now, 

'dkim' is mail security... We have dkms. ;)

> since
> basically all distros use it and ship the exact same logic. By putting
> it in WireGuard itself, I can provide maintenance over the
> interworkings, which will be helpful for downstream.
> 
> Another thing I can do is handle the installation myself. `make dkim`
> will then copy all the paths and create the dkim.conf file, etc. First
> question: is there a standard destination path to which files should
> be copied.

For Arch Linux we install dkms sources to /usr/src/$pkgname-$pkgver, so for
wireguard we have: /usr/src/wireguard-0.0.20161129/

So directory content looks something like this:

/usr/src/wireguard-0.0.20161129/
/usr/src/wireguard-0.0.20161129/Kbuild
/usr/src/wireguard-0.0.20161129/Kconfig
/usr/src/wireguard-0.0.20161129/Makefile
/usr/src/wireguard-0.0.20161129/dkms.conf
/usr/src/wireguard-0.0.20161129/*.c
/usr/src/wireguard-0.0.20161129/*.h
/usr/src/wireguard-0.0.20161129/crypto/
/usr/src/wireguard-0.0.20161129/crypto/*.S
/usr/src/wireguard-0.0.20161129/crypto/*.c
/usr/src/wireguard-0.0.20161129/crypto/*.h
/usr/src/wireguard-0.0.20161129/selftest/
/usr/src/wireguard-0.0.20161129/selftest/*.h

> Second question: what environment variable name do you
> think would be appropriate for representing the destination address
> (override)?

To have something like this would be great:

make DESTDIR="$pkgdir/" DKMSDIR="/usr/src/$pkgname-$pkgver" dkms
-- 
main(a){char*c=/*Schoene Gruesse */"B?IJj;MEH"
"CX:;",b;for(a/*Best regards my address:*/=0;b=c[a++];)
putchar(b-1/(/*Chriscc -ox -xc - && ./x*/b/42*2-3)*42);}


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[PATCH v2 1/1] add dkms configuration file dkms.conf

2016-12-03 Thread Christian Hesse
From: Christian Hesse <m...@eworm.de>

This add dkms configuration file dkms.conf and target in Makefile to
update the version.

Signed-off-by: Christian Hesse <m...@eworm.de>
---
 src/Makefile  | 14 ++
 src/dkms.conf | 11 +++
 2 files changed, 21 insertions(+), 4 deletions(-)
 create mode 100644 src/dkms.conf

diff --git a/src/Makefile b/src/Makefile
index 20947ac..f5ab275 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -6,11 +6,17 @@ debug: module-debug tools
 
 version.h:
@export GIT_CEILING_DIRECTORIES="$$(readlink -f ../..)" && \
-   ver="#define WIREGUARD_VERSION \"$$(git describe --dirty 
2>/dev/null)\"" && \
-   [ "$$(cat version.h 2>/dev/null)" != "$$ver" ] && \
-   echo "$$ver" > version.h && \
+   ver="$$(git describe --dirty 2>/dev/null)" && \
+   [ "$$(cut -d\" -f2 version.h 2>/dev/null)" != "$$ver" ] && \
+   echo "#define WIREGUARD_VERSION \"$$ver\"" > version.h && \
git update-index --assume-unchanged version.h || true
 
+dkms.conf:
+   ver="$$(git describe --dirty 2>/dev/null)" && \
+   [ "$$(grep PACKAGE_VERSION dkms.conf | cut -d\" -f2)" != "$$ver" ] && \
+   sed -i "/PACKAGE_VERSION/c PACKAGE_VERSION=\"$$ver\"" dkms.conf && \
+   git update-index --assume-unchanged dkms.conf || true
+
 module: version.h
$(MAKE) -C $(KERNELDIR) M=$(PWD) modules
 
@@ -38,4 +44,4 @@ cloc: clean
 
 include tests/debug.mk
 
-.PHONY: all module module-debug tools install clean core-cloc check version.h
+.PHONY: all module module-debug tools install clean core-cloc check version.h 
dkms.conf
diff --git a/src/dkms.conf b/src/dkms.conf
new file mode 100644
index 000..cef8e6d
--- /dev/null
+++ b/src/dkms.conf
@@ -0,0 +1,11 @@
+#
+# Linux DKMS config script for the WireGuard kernel module
+#
+
+PACKAGE_NAME="wireguard"
+PACKAGE_VERSION="experimental-0.0.20161129-3-g27f0e1e-dirty"
+AUTOINSTALL="yes"
+
+BUILT_MODULE_NAME="wireguard"
+DEST_MODULE_LOCATION="/kernel/net"
+
-- 
2.10.2

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[PATCH 1/1] add dkms configuration file dkms.conf

2016-12-03 Thread Christian Hesse
From: Christian Hesse <m...@eworm.de>

This add dkms configuration file dkms.conf and target in Makefile to
update the version.

Signed-off-by: Christian Hesse <m...@eworm.de>
---
 src/Makefile  | 14 ++
 src/dkms.conf | 11 +++
 2 files changed, 21 insertions(+), 4 deletions(-)
 create mode 100644 src/dkms.conf

diff --git a/src/Makefile b/src/Makefile
index 20947ac..f5ab275 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -6,11 +6,17 @@ debug: module-debug tools
 
 version.h:
@export GIT_CEILING_DIRECTORIES="$$(readlink -f ../..)" && \
-   ver="#define WIREGUARD_VERSION \"$$(git describe --dirty 
2>/dev/null)\"" && \
-   [ "$$(cat version.h 2>/dev/null)" != "$$ver" ] && \
-   echo "$$ver" > version.h && \
+   ver="$$(git describe --dirty 2>/dev/null)" && \
+   [ "$$(cut -d\" -f2 version.h 2>/dev/null)" != "$$ver" ] && \
+   echo "#define WIREGUARD_VERSION \"$$ver\"" && \
git update-index --assume-unchanged version.h || true
 
+dkms.conf:
+   ver="$$(git describe --dirty 2>/dev/null)" && \
+   [ "$$(grep PACKAGE_VERSION dkms.conf | cut -d\" -f2)" != "$$ver" ] && \
+   sed -i "/PACKAGE_VERSION/c PACKAGE_VERSION=\"$$ver\"" dkms.conf && \
+   git update-index --assume-unchanged dkms.conf || true
+
 module: version.h
$(MAKE) -C $(KERNELDIR) M=$(PWD) modules
 
@@ -38,4 +44,4 @@ cloc: clean
 
 include tests/debug.mk
 
-.PHONY: all module module-debug tools install clean core-cloc check version.h
+.PHONY: all module module-debug tools install clean core-cloc check version.h 
dkms.conf
diff --git a/src/dkms.conf b/src/dkms.conf
new file mode 100644
index 000..cef8e6d
--- /dev/null
+++ b/src/dkms.conf
@@ -0,0 +1,11 @@
+#
+# Linux DKMS config script for the WireGuard kernel module
+#
+
+PACKAGE_NAME="wireguard"
+PACKAGE_VERSION="experimental-0.0.20161129-3-g27f0e1e-dirty"
+AUTOINSTALL="yes"
+
+BUILT_MODULE_NAME="wireguard"
+DEST_MODULE_LOCATION="/kernel/net"
+
-- 
2.10.2

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[PATCH 1/1] include tests/debug.mk only if exists

2016-12-03 Thread Christian Hesse
From: Christian Hesse <m...@eworm.de>

DKMS packages do not contain tests/debug.mk, so do not include if it
does not exist.

Signed-off-by: Christian Hesse <m...@eworm.de>
---
 src/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Makefile b/src/Makefile
index 20947ac..370c2ea 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -36,6 +36,8 @@ check:
 cloc: clean
cloc $(filter-out compat.h, $(wildcard *.c) $(wildcard *.h))
 
+ifeq ($(wildcard tests/debug.mk),tests/debug.mk)
 include tests/debug.mk
+endif
 
 .PHONY: all module module-debug tools install clean core-cloc check version.h
-- 
2.10.2

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