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2020-02-15uapi: IpcGetOperation: return peers in sorted orderHEADsorted-peersMikael Magnusson
Sort peers based on the public key. The pros of using a sorted peer list is that the order doesn't change in each ipc operation, or execution of the "wg showconf" command. Which could be the case previously with an unsorted peer list. Signed-off-by: Mikael Magnusson <mikma@users.sourceforge.net>
2020-02-14send: account for zero mtuJason A. Donenfeld
Don't divide by zero.
2020-02-04device: fix private key removal logicJason A. Donenfeld
2020-02-04uapi: allow unsetting device private key with /dev/nullJason A. Donenfeld
2020-01-21version: bump snapshotJason A. Donenfeld
2019-12-30README: update repo urlsJason A. Donenfeld
2019-11-28device: SendmsgN mutates the input sockaddrJason A. Donenfeld
So we take a new granular lock to prevent concurrent writes from racing. WARNING: DATA RACE Write at 0x00c0011f2740 by goroutine 27: golang.org/x/sys/unix.(*SockaddrInet4).sockaddr() /go/pkg/mod/golang.org/x/sys@v0.0.0-20191105231009-c1f44814a5cd/unix/syscall_linux.go:384 +0x114 golang.org/x/sys/unix.SendmsgN() /go/pkg/mod/golang.org/x/sys@v0.0.0-20191105231009-c1f44814a5cd/unix/syscall_linux.go:1304 +0x288 golang.zx2c4.com/wireguard/device.send4() /go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/conn_linux.go:485 +0x11f golang.zx2c4.com/wireguard/device.(*nativeBind).Send() /go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/conn_linux.go:268 +0x1d6 golang.zx2c4.com/wireguard/device.(*Peer).SendBuffer() /go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/peer.go:151 +0x285 golang.zx2c4.com/wireguard/device.(*Peer).SendHandshakeInitiation() /go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/send.go:163 +0x692 golang.zx2c4.com/wireguard/device.(*Device).RoutineReadFromTUN() /go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/send.go:318 +0x4b8 Previous write at 0x00c0011f2740 by goroutine 386: golang.org/x/sys/unix.(*SockaddrInet4).sockaddr() /go/pkg/mod/golang.org/x/sys@v0.0.0-20191105231009-c1f44814a5cd/unix/syscall_linux.go:384 +0x114 golang.org/x/sys/unix.SendmsgN() /go/pkg/mod/golang.org/x/sys@v0.0.0-20191105231009-c1f44814a5cd/unix/syscall_linux.go:1304 +0x288 golang.zx2c4.com/wireguard/device.send4() /go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/conn_linux.go:485 +0x11f golang.zx2c4.com/wireguard/device.(*nativeBind).Send() /go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/conn_linux.go:268 +0x1d6 golang.zx2c4.com/wireguard/device.(*Peer).SendBuffer() /go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/peer.go:151 +0x285 golang.zx2c4.com/wireguard/device.(*Peer).SendHandshakeInitiation() /go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/send.go:163 +0x692 golang.zx2c4.com/wireguard/device.expiredRetransmitHandshake() /go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/timers.go:110 +0x40c golang.zx2c4.com/wireguard/device.(*Peer).NewTimer.func1() /go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/timers.go:42 +0xd8 Goroutine 27 (running) created at: golang.zx2c4.com/wireguard/device.NewDevice() /go/pkg/mod/golang.zx2c4.com/wireguard@v0.0.20191012/device/device.go:322 +0x5e8 main.main() /go/src/x/main.go:102 +0x58e Goroutine 386 (finished) created at: time.goFunc() /usr/local/go/src/time/sleep.go:168 +0x51 Reported-by: Ben Burkert <ben@benburkert.com>
2019-10-30constants: recalculate rekey max based on a one minute floodJason A. Donenfeld
Discussed-with: Mathias Hall-Andersen <mathias@hall-andersen.dk>
2019-10-22global: fix a few typos courtesy of codespellJonathan Tooker
Signed-off-by: Jonathan Tooker <jonathan.tooker@netprotect.com>
2019-10-21device: allow blackholing socketsJason A. Donenfeld
2019-10-21device: remove dead error reporting codeJason A. Donenfeld
2019-10-17device: recheck counters while holding write lockJason A. Donenfeld
2019-10-16device: test packets between two fake devicesDavid Crawshaw
Signed-off-by: David Crawshaw <crawshaw@tailscale.io>
2019-10-12version: bump snapshotJason A. Donenfeld
2019-10-04uapi: allow preventing creation of new peers when updatingJason A. Donenfeld
This enables race-free updates for wg-dynamic and similar tools. Suggested-by: Thomas Gschwantner <tharre3@gmail.com>
2019-09-08version: bump snapshotJason A. Donenfeld
2019-08-25device: getsockname on linux to determine portJason A. Donenfeld
It turns out Go isn't passing the pointer properly so we wound up with a zero port every time.
2019-08-05version: bump snapshotJason A. Donenfeld
2019-08-05device: drop lock before expiring keysJason A. Donenfeld
2019-08-05uapi: skip peers with invalid keysJason A. Donenfeld
2019-07-18device: do not crash on nil'd bind in windows bindingJason A. Donenfeld
2019-07-11device: immediately rekey all peers after changing device private keyJason A. Donenfeld
Reported-by: Derrick Pallas <derrick@pallas.us>
2019-07-01device: receive: uniform message for source address checkJason A. Donenfeld
2019-07-01device: receive: simplify flush loopJason A. Donenfeld
2019-06-14tun: remove TUN prefix from types to reduce stutter elsewhereMatt Layher
Signed-off-by: Matt Layher <mdlayher@gmail.com>
2019-06-11device: update transfer counters correctlyJason A. Donenfeld
The rule is to always update them to the full packet size minus UDP/IP encapsulation for all authenticated packet types.
2019-06-04device: remove redundant return statementsMatt Layher
More staticcheck fixes: $ staticcheck ./... | grep S1023 device/noise-helpers.go:45:2: redundant return statement (S1023) device/noise-helpers.go:54:2: redundant return statement (S1023) device/noise-helpers.go:64:2: redundant return statement (S1023) Signed-off-by: Matt Layher <mdlayher@gmail.com>
2019-06-04device: use bytes.Equal for equality check, simplify assertEqualMatt Layher
Signed-off-by: Matt Layher <mdlayher@gmail.com>
2019-06-03device, ratelimiter: replace uses of time.Now().Sub() with time.Since()Matt Layher
Simplification found by staticcheck: $ staticcheck ./... | grep S1012 device/cookie.go:90:5: should use time.Since instead of time.Now().Sub (S1012) device/cookie.go:127:5: should use time.Since instead of time.Now().Sub (S1012) device/cookie.go:242:5: should use time.Since instead of time.Now().Sub (S1012) device/noise-protocol.go:304:13: should use time.Since instead of time.Now().Sub (S1012) device/receive.go:82:46: should use time.Since instead of time.Now().Sub (S1012) device/send.go:132:5: should use time.Since instead of time.Now().Sub (S1012) device/send.go:139:5: should use time.Since instead of time.Now().Sub (S1012) device/send.go:235:59: should use time.Since instead of time.Now().Sub (S1012) device/send.go:393:9: should use time.Since instead of time.Now().Sub (S1012) ratelimiter/ratelimiter.go:79:10: should use time.Since instead of time.Now().Sub (S1012) ratelimiter/ratelimiter.go:87:10: should use time.Since instead of time.Now().Sub (S1012) Change applied using: $ find . -type f -name "*.go" -exec sed -i "s/Now().Sub(/Since(/g" {} \; Signed-off-by: Matt Layher <mdlayher@gmail.com>
2019-05-30device: add SendKeepalivesToPeersWithCurrentKeypair for handoverJason A. Donenfeld
2019-05-29device, tun: rearrange code and fix device testsMatt Layher
Signed-off-by: Matt Layher <mdlayher@gmail.com>
2019-05-25device: darwin actually doesn't need bound interfacesJason A. Donenfeld
2019-05-25device: make initiations per second match kernel implementationJason A. Donenfeld
2019-05-24device: timers: add jitter on ack failure reinitiationJason A. Donenfeld
2019-05-17device: fail to give bind if it doesn't existJason A. Donenfeld
2019-05-17version: bump snapshotJason A. Donenfeld
2019-05-14global: regroup all importsJason A. Donenfeld
2019-05-09conn: remove scope when sanity checking IP address formatJason A. Donenfeld
2019-04-18device: send: check packet length before freeing elementJason A. Donenfeld
2019-04-13conn: linux: RTA_MARK has moved to x/sysJason A. Donenfeld
2019-04-09version: put version in right placeJason A. Donenfeld
2019-03-21receive: implement flush semanticsJason A. Donenfeld
2019-03-20uapi: remove unhelpful log messagesJason A. Donenfeld
2019-03-19uapi: report endpoint errorJason A. Donenfeld
2019-03-10uapi: make ipcerror conform to interfaceJason A. Donenfeld
2019-03-07receive: squelch tear down errorJason A. Donenfeld
2019-03-04tun: import mobile particularitiesJason A. Donenfeld
2019-03-04boundif: introduce API for socket bindingJason A. Donenfeld
2019-03-03global: begin modularizationJason A. Donenfeld
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