tailscale

Commit Graph

Author	SHA1	Message	Date
Avery Pennarun	f2e2ffa423	controlclient: log the entire netmap up to every 5 minutes. We log it once upon receiving the first copy of the map, then subsequently when a new one appears, but only if we haven't logged one less than 5 minutes ago. This avoids overly cluttering the log (as we did before, logging the netmap every time one appeared, which could be hundreds of lines every few seconds), but still gives the log enough context to help in diagnosing problems retroactively.	5 years ago
Brad Fitzpatrick	b9c6d3ceb8	netcheck: work behind UDP-blocked networks again, add tests Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	a87ee4168a	stunner: quiet a harmless log warning	5 years ago
Brad Fitzpatrick	bc73dcf204	wgengine/magicsock: don't block in Send waiting for derphttp.Send Fixes #137 Updates #109 Updates #162 Updates #163 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	8807913be9	wgengine/magicsock: wait for previous DERP goroutines to end before new ones Updates #109 (hopefully fixes, will wait for graphs to be happy) Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	eff6dcdb4e	wgengine/magicsock: log more about why we're re-STUNing	5 years ago
David Crawshaw	5ad947c761	cmd/derper: set a write timeout Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
David Crawshaw	72dbf26f63	derp: test that client a->b and a->c relaying do not interfere Without the recent write deadline introduction, this test fails. They still do interfere, but the interference is now bound by the write deadline. Many improvements are possible. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
David Crawshaw	e838b3fb59	derp: use a write timeout when sending to clients Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
David Crawshaw	3df1b97ea8	derp: do not treat failure to relay as the fault of the sender If Alice attempts to send a packet to Bob and the DERP server encounters an error on the socket to Bob, we should not disconnect Alice for that. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
David Crawshaw	43aa8595dd	derp: introduce Conn interface This lets us test with something other than a net.Conn. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
David Crawshaw	41ac4a79d6	net/nettest: new package with net-like testing primitives This is a lot like wiring up a local UDP socket, read and write deadlines work. The big difference is the Block feature, which lets you stop the packet flow without breaking the connection. This lets you emulate broken sockets and test timeouts actually work. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
Brad Fitzpatrick	52c0cb12fb	stunner: return wrapped error (currently unused)	5 years ago
Brad Fitzpatrick	b4d02a251a	syncs: add new package for extra sync types	5 years ago
David Crawshaw	57f220656c	ipn: search for ErrStateNotExist with errors.Is Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
Avery Pennarun	40c6f952c5	Merge branch 'master' of github.com:tailscale/tailscale into HEAD * 'master' of github.com:tailscale/tailscale: netcheck: fix data races for staggler STUN packets arriving after GetReport wgengine/magicsock: add a pointer value for logging netcheck: ignore IPv4 STUN failures if we saw at least one reply netcheck: ignore IPv6 STUN failures derp: add clients_replaced counter version: bump OSS version datestamp.	5 years ago
Avery Pennarun	509247bf42	tailscale, tailscaled: update safesocket port number. This makes them able to connect to each other on Windows.	5 years ago
Brad Fitzpatrick	afc3479d04	netcheck: fix data races for staggler STUN packets arriving after GetReport Fixes #179	5 years ago
Brad Fitzpatrick	b3ddf51a15	wgengine/magicsock: add a pointer value for logging Updates #109 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	0d3f42e1d8	netcheck: ignore IPv4 STUN failures if we saw at least one reply Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	ed7e088729	netcheck: ignore IPv6 STUN failures Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	4fd29349b9	derp: add clients_replaced counter Updates #109	5 years ago
David Anderson	b364a871bf	version: bump OSS version datestamp.	5 years ago
David Anderson	72d9e1d633	go.mod: bump wireguard-go version.	5 years ago
Brad Fitzpatrick	b0f8931d26	wgengine/magicsock: make a test signature a bit more explicit	5 years ago
David Crawshaw	7ec54e0064	wgengine/magicsock: remove TODO The TODO above derphttp.NewClient suggests it does network I/O, but the derphttp client connects lazily and so creating one is very cheap. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
David Crawshaw	af58cfc476	go.mod: bump wireguard-go version Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
Brad Fitzpatrick	01b4bec33f	stunner: re-do how Stunner works It used to make assumptions based on having Anycast IPs that are super near. Now we're intentionally going to a bunch of different distant IPs to measure latency. Also, optimize how the hairpin detection works. No need to STUN on that socket. Just use that separate socket for sending, once we know the other UDP4 socket's endpoint. The trick is: make our test probe also a STUN packet, so it fits through magicsock's existing STUN routing. This drops netcheck from ~5 seconds to ~250-500ms. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
David Anderson	4affea2691	go.mod: bump wireguard-go version. Signed-off-by: David Anderson <danderson@tailscale.com>	5 years ago
David Anderson	77af7e5436	wgengine/magicsock: mark test logfunc as a helper. Signed-off-by: David Anderson <danderson@tailscale.com>	5 years ago
David Anderson	7eda3af034	wgengine/magicsock: clean up derp http servers on shutdown. Failure to do this leads to fd exhaustion at -count=10000, and increasingly poor execution north of -count=100. Signed-off-by: David Anderson <danderson@tailscale.com>	5 years ago
David Anderson	d651715528	wgengine/magicsock: synchronize test STUN shutdown. Failure to do so triggers either a data race or a panic in the testing package, due to racey use of t.Logf. Signed-off-by: David Anderson <danderson@tailscale.com>	5 years ago
David Anderson	86baf60bd4	wgengine/magicsock: synchronize epUpdate cleanup on shutdown. Signed-off-by: David Anderson <danderson@tailscale.com>	5 years ago
Brad Fitzpatrick	023df9239e	Move linkstate boring change filtering to magicsock So we can at least re-STUN on boring updates. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
David Anderson	592fec7606	wgengine/magicsock: move device close to uncursed portion of test. Device close used to suffer from deadlocks, but no longer. Signed-off-by: David Anderson <danderson@tailscale.com>	5 years ago
Brad Fitzpatrick	a265d7cbff	wgengine/magicsock: in STUN-disabled test mode, let endpoint discovery proceed	5 years ago
Brad Fitzpatrick	5c1e443d34	wgengine/monitor: don't call LinkChange when interfaces look unchanged Basically, don't trust the OS-level link monitor to only tell you interesting things. Sanity check it. Also, move the interfaces package into the net directory now that we have it.	5 years ago
Brad Fitzpatrick	39c0ae1dba	derp/derpmap: new DERP config package, merge netcheck into magicsock more Fixes #153 Updates #162 Updates #163 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	bd0e20f351	net/dnscache: ignore annoying staticcheck check	5 years ago
Brad Fitzpatrick	d44325295e	net/dnscache: initialize the single Resolver more directly	5 years ago
Brad Fitzpatrick	d07146aafb	go.mod, go.sum: update	5 years ago
David Crawshaw	5f2a17482b	ipn: when enforcing defaults, set UsePacketFilter=true Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
David Crawshaw	cac68fe102	net/dnscache: do not PreferGo on macOS/iOS With this commit my iPhone can now DERP.	5 years ago
Brad Fitzpatrick	5d8001d0ad	derp: add varz for home moves Updates #162 Updates #163 (maybe) Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	5 years ago
Brad Fitzpatrick	8f0fd01efd	net/dnscache: add copyright header to test	5 years ago
David Crawshaw	5a1ce4adae	net/dnscache: parse passed CIDR Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
Brad Fitzpatrick	4800926006	wgengine/magicsock: add AddrSet appendDests+UpdateDst tests	5 years ago
David Crawshaw	e201f63230	magicsock: unskip tests that are reliable Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
David Crawshaw	f5e0407e97	ipn: exercise logout in e2e test Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
David Crawshaw	0f73070a57	wgengine: shut down wireguard on Close This was (presumably) missing from wgengine because the interactions between magicsock and wireguard-go meant that the shutdown never worked. Now those are fixed, actually shut down. Fixes occasional flake in expanded ipn/e2e_test. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago

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