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Bump go.mod and README.
Switch to upstream net/netip.
Use strings.Cut.
Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
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There are more places where we'll need to add it later, when Go 1.18
comes out with support for it in the "net" package. Also, allowedips
still uses slices internally, which might be suboptimal.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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We'll eventually be getting rid of it here, but keep it sync'd up for
now.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This reverts commit fcc601dbf0f6b626ec1d47a880cbe64f9c8fe385 but then
bumps go.mod.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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To pick up https://go-review.googlesource.com/c/sys/+/307129.
Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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In order to avoid even the flirtation with passing on these dependencies
to ordinary consumers of wireguard-go, this commit makes a new go.mod
that's entirely separate from the root one.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Until we depend on Go 1.16 (which isn't released yet), alias our own
variable to the private member of the net package. This will allow an
easy find replace to make this go away when we eventually switch to
1.16.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This allows people to initiate connections over WireGuard without any
underlying operating system support.
I'm not crazy about the trash it adds to go.sum, but the code this
actually adds to the binaries seems contained to the gvisor repo.
For the TCP/IP implementation, it uses gvisor. And it borrows some
internals from the Go standard library's resolver in order to bring Dial
and DialContext to tun_net, along with the LookupHost helper function.
This allows for things like HTTP2-over-TLS to work quite well:
package main
import (
"io"
"log"
"net"
"net/http"
"golang.zx2c4.com/wireguard/device"
"golang.zx2c4.com/wireguard/tun"
)
func main() {
tun, tnet, err := tun.CreateNetTUN([]net.IP{net.ParseIP("192.168.4.29")}, []net.IP{net.ParseIP("8.8.8.8"), net.ParseIP("8.8.4.4")}, 1420)
if err != nil {
log.Panic(err)
}
dev := device.NewDevice(tun, &device.Logger{log.Default(), log.Default(), log.Default()})
dev.IpcSet(`private_key=a8dac1d8a70a751f0f699fb14ba1cff7b79cf4fbd8f09f44c6e6a90d0369604f
public_key=25123c5dcd3328ff645e4f2a3fce0d754400d3887a0cb7c56f0267e20fbf3c5b
endpoint=163.172.161.0:12912
allowed_ip=0.0.0.0/0
`)
dev.Up()
client := http.Client{
Transport: &http.Transport{
DialContext: tnet.DialContext,
},
}
resp, err := client.Get("https://www.zx2c4.com/ip")
if err != nil {
log.Panic(err)
}
body, err := io.ReadAll(resp.Body)
if err != nil {
log.Panic(err)
}
log.Println(string(body))
}
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Some users report seeing lines like:
> Routine: receive incoming IPv4 - stopped
Popping up unexpectedly. Let's sleep and try again before failing, and
also log the error, and perhaps we'll eventually understand this
situation better in future versions.
Because we have to distinguish between the socket being closed
explicitly and whatever error this is, we bump the module to require Go
1.16.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Picking two free ports to use for a test is difficult.
The free port we selected might no longer be free when we reach
for it a second time.
On my machine, this failure mode led to failures approximately
once per thousand test runs.
Since failures are rare, and threading through and checking for
all possible errors is complicated, fix this with a big hammer:
Retry if either device fails to come up.
Also, if you accidentally pick the same port twice, delightful confusion ensues.
The handshake failures manifest as crypto errors, which look scary.
Again, fix with retries.
To make these retries easier to implement, use testing.T.Cleanup
instead of defer to close devices. This requires Go 1.14.
Update go.mod accordingly. Go 1.13 is no longer supported anyway.
With these fixes, 'go test -race' ran 100,000 times without failure.
Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Simon Rozman <simon@rozman.si>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This adds the fixes for golang/go#41868 which are needed to build
wireguard without direct syscalls on macOS.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
[Jason: ran go mod tidy.]
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This makes uapi.go's public API conform to Go style in terms
of error types.
Signed-off-by: David Anderson <danderson@tailscale.com>
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Update the golang.org/x/sys/unix dependency and use the newly introduced
RTMGRP_* consts instead of using the corresponding RTNLGRP_* const to
create a mask.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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Android 9's Bionic disallows inotify_init with seccomp, so we want the
latest unix change, and while we're at it, we update the others too.
Reported-by: Berk D. Demir <bdd@mindcast.org>
Go CL: https://go-review.googlesource.com/c/sys/+/153318
Fixes: https://lists.zx2c4.com/pipermail/wireguard/2018-December/003642.html
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