441 Commits (ba4e58f429029d1b8d51967aa71ccf3bf36de278)

Author	SHA1	Message	Date
shayne	ba4e58f429	cmd/tailscale/cli: do not allow turning Funnel on while shields-up (#7770)	2 years ago
Will Norris	5a3da3cd7f	ipn: add sockstat logger to stable builds ... This makes the sockstat logger available on all builds, but only enables it by default for unstable. For stable builds, the logger must be explicitly enabled via C2N component logger. Updates tailscale/corp#9230 Updates #3363 Signed-off-by: Will Norris <will@tailscale.com>	2 years ago
Mihai Parparita	e3cb8cc88d	ipn/ipnlocal: automatically upload sockstats logs when the period ends ... Avoids needing a separate c2n call to get the logs uploaded. Updates tailscale/corp#9230 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Andrew Dunham	3b39ca9017	ipn/ipnlocal: update comment in SetComponentDebugLogging ... Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: I8c36a62079dce77fc81b9cdfb5fe723b007218ba	2 years ago
Maisem Ali	e0d291ab8a	ipn/store: add support for stores to hook into a custom dialer ... For stores like k8s secrets we need to dial out to the k8s API as though Tailscale wasn't running. The issue currently only manifests when you try to use an exit node while running inside a k8s cluster and are trying to use Kubernetes secrets as the backing store. This doesn't address cmd/containerboot, which I'll do in a follow up. Updates #7695 Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Andrew Dunham	c98652c333	doctor/permissions: add new check to print process permissions ... Since users can run tailscaled in a variety of ways (root, non-root, non-root with process capabilities on Linux), this check will print the current process permissions to the log to aid in debugging. Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Ida93a206123f98271a0c664775d0baba98b330c7	2 years ago
Will Norris	7c99210e68	log: allow toggling sockstat logs via c2n component logging ... Signed-off-by: Will Norris <will@tailscale.com>	2 years ago
Maisem Ali	8a11f76a0d	ipn/ipnlocal: fix cert storage in Kubernetes ... We were checking against the wrong directory, instead if we have a custom store configured just use that. Fixes #7588 Fixes #7665 Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Will Norris	57a008a1e1	all: pass log IDs as the proper type rather than strings ... This change focuses on the backend log ID, which is the mostly commonly used in the client. Tests which don't seem to make use of the log ID just use the zero value. Signed-off-by: Will Norris <will@tailscale.com>	2 years ago
Will Norris	f13b8bf0cf	log: use logtail to log and upload sockstat logs ... Switch to using logtail for logging sockstat logs. Always log locally (on supported platforms), but disable automatic uploading. Change existing c2n sockstats request to trigger upload to log server and return log ID. Signed-off-by: Will Norris <will@tailscale.com>	2 years ago
Will Norris	6ef2105a8e	log/sockstatlog: only start once; don't copy ticker ... Signed-off-by: Will Norris <will@tailscale.com>	2 years ago
Will Norris	09e0ccf4c2	ipn: add c2n endpoint for sockstats logs ... Signed-off-by: Will Norris <will@tailscale.com>	2 years ago
Will Norris	a1d9f65354	ipn,log: add logger for sockstat deltas ... Signed-off-by: Will Norris <will@tailscale.com> Co-authored-by: Melanie Warrick <warrick@tailscale.com>	2 years ago
Maisem Ali	1e72de6b72	ipn/ipnlocal: remove WIP restriction for Tailscale SSH on macOS ... It kinda works fine now on macOS with the recent fixes in 0582829 and 5787989d. Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Maisem Ali	b797f773c7	ipn/ipnlocal: add support for funnel in tsnet ... Previously the part that handled Funnel connections was not aware of any listeners that tsnet.Servers might have had open so it would check against the ServeConfig and fail. Adding a ServeConfig for a TCP proxy was also not suitable in this scenario as that would mean creating two different listeners and have one forward to the other, which really meant that you could not have funnel and tailnet-only listeners on the same port. This also introduces the ipn.FunnelConn as a way for users to identify whether the call is coming over funnel or not. Currently it only holds the underlying conn and the target as presented in the "Tailscale-Ingress-Target" header. Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Andrew Dunham	be107f92d3	wgengine/magicsock: track per-endpoint changes in ringbuffer ... This change adds a ringbuffer to each magicsock endpoint that keeps a fixed set of "changes"–debug information about what updates have been made to that endpoint. Additionally, this adds a LocalAPI endpoint and associated "debug peer-status" CLI subcommand to fetch the set of changes for a given IP or hostname. Updates tailscale/corp#9364 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: I34f726a71bddd0dfa36ec05ebafffb24f6e0516a	2 years ago
Andrew Dunham	df2561f6a2	ipn/ipnlocal: stop netmap expiry timer when resetting control client ... This prevents a panic where we synthesize a new netmap in setClientStatus after we've shut down and nil'd out the controlclient, since that function expects to be called while connected to control. Fixes #7392 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Ib631eb90f34f6afa008d69bbb386f70da145e102	2 years ago
Andrew Dunham	a9c17dbf93	ipn/ipnlocal: reject unmasked routes ... Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Ic804efd24f5f536de1f2c910de3a24372d48d54d	2 years ago
Tom DNetto	88c7d19d54	tka: compact TKA storage on startup ... Signed-off-by: Tom DNetto <tom@tailscale.com>	2 years ago
David Anderson	8b2ae47c31	version: unexport all vars, turn Short/Long into funcs ... The other formerly exported values aren't used outside the package, so just unexport them. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
Mihai Parparita	fa932fefe7	net/interfaces: redo how we get the default interface on macOS and iOS ... With #6566 we added an external mechanism for getting the default interface, and used it on macOS and iOS (see tailscale/corp#8201). The goal was to be able to get the default physical interface even when using an exit node (in which case the routing table would say that the Tailscale utun* interface is the default). However, the external mechanism turns out to be unreliable in some cases, e.g. when multiple cellular interfaces are present/toggled (I have occasionally gotten my phone into a state where it reports the pdp_ip1 interface as the default, even though it can't actually route traffic). It was observed that `ifconfig -v` on macOS reports an "effective interface" for the Tailscale utn* interface, which seems promising. By examining the ifconfig source code, it turns out that this is done via a SIOCGIFDELEGATE ioctl syscall. Though this is a private API, it appears to have been around for a long time (e.g. it's in the 10.13 xnu release at https://opensource.apple.com/source/xnu/xnu-4570.41.2/bsd/net/if_types.h.auto.html) and thus is unlikely to go away. We can thus use this ioctl if the routing table says that a utun* interface is the default, and go back to the simpler mechanism that we had before #6566. Updates #7184 Updates #7188 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Mihai Parparita	62f4df3257	net/interfaces, net/netns: add node attributes to control default interface getting and binding ... With #6566 we started to more aggressively bind to the default interface on Darwin. We are seeing some reports of the wrong cellular interface being chosen on iOS. To help with the investigation, this adds to knobs to control the behavior changes: - CapabilityDebugDisableAlternateDefaultRouteInterface disables the alternate function that we use to get the default interface on macOS and iOS (implemented in tailscale/corp#8201). We still log what it would have returned so we can see if it gets things wrong. - CapabilityDebugDisableBindConnToInterface is a bigger hammer that disables binding of connections to the default interface altogether. Updates #7184 Updates #7188 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Andrew Dunham	6d84f3409b	ipn/ipnlocal: handle more edge cases in netmap expiry timer ... We now handle the case where the NetworkMap.SelfNode has already expired and do not return an expiry time in the past (which causes an ~infinite loop of timers to fire). Additionally, we now add an explicit check to ensure that the next expiry time is never before the current local-to-the-system time, to ensure that we don't end up in a similar situation due to clock skew. Finally, we add more tests for this logic to ensure that we don't regress on these edge cases. Fixes #7193 Change-Id: Iaf8e3d83be1d133a7aab7f8d62939e508cc53f9c Signed-off-by: Andrew Dunham <andrew@du.nham.ca>	2 years ago
Tom DNetto	99b9d7a621	all: implement pcap streaming for datapath debugging ... Updates: tailscale/corp#8470 Signed-off-by: Tom DNetto <tom@tailscale.com>	2 years ago
David Crawshaw	8cf2805cca	tailcfg, localapi: plumb device token to server ... Updates tailscale/corp#8940 Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	2 years ago
Andrew Dunham	5ba2543828	ipn/ipnlocal: print warning about DNS servers in bugreport --diagnose ... If the user passes the --diagnose flag, print a warning if any of the default or fallback DNS resolvers are Tailscale IPs. This can interfere with the ability to connect to the controlplane, and is typically something to pay attention to if there's a connectivity issue. Change-Id: Ib14bf6228c037877fbdcd22b069212b1a4b2c456 Signed-off-by: Andrew Dunham <andrew@tailscale.com>	2 years ago
Andrew Dunham	d1146dc701	ipn/ipnlocal: rate-limit diagnose logs in bugreport ... We can log too quickly for logtail to catch up, even when we opt out of log rate-limiting. When the user passes the --diagnose flag to bugreport, we use a token bucket to control how many logs per second are printed and sleep until we're able to write more. Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: If27672d66b621b589280bd0fe228de367ffcbd8f	2 years ago
Maisem Ali	04b57a371e	ipn/ipnlocal: drop not required StateKey parameter ... This is #cleanup now that #7121 is merged. Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Mihai Parparita	4973956419	ipn/ipnlocal: add /reset-auth LocalAPI endpoint ... The iOS has a command to reset the persisted state of the app, but it was doing its own direct keychain manipulation. This proved to be brittle (since we changed how preferences are stored with #6022), so we instead add a LocalAPI endpoint to do do this, which can be updated in tandem. This clears the same state as the iOS implementation (tailscale/corp#3186), that is the machine key and preferences (which includes the node key). Notably this does not clear the logtail ID, so that logs from the device still end up in the same place. Updates tailscale/corp#8923 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Will Norris	71029cea2d	all: update copyright and license headers ... This updates all source files to use a new standard header for copyright and license declaration. Notably, copyright no longer includes a date, and we now use the standard SPDX-License-Identifier header. This commit was done almost entirely mechanically with perl, and then some minimal manual fixes. Updates #6865 Signed-off-by: Will Norris <will@tailscale.com>	2 years ago
Andrew Dunham	2703d6916f	net/netns: add functionality to bind outgoing sockets based on route table ... When turned on via environment variable (off by default), this will use the BSD routing APIs to query what interface index a socket should be bound to, rather than binding to the default interface in all cases. Updates #5719 Updates #5940 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Ib4c919471f377b7a08cd3413f8e8caacb29fee0b	2 years ago
Andrew Dunham	44d73ce932	ipn/ipnlocal, net/dnscache: allow configuring dnscache logging via capability ... This allows users to temporarily enable/disable dnscache logging via a new node capability, to aid in debugging strange connectivity issues. Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: I46cf2596a8ae4c1913880a78d0033f8b668edc08	2 years ago
Brad Fitzpatrick	6e5faff51e	ipn/ipnlocal: add health warning for Tailscale SSH + SELinux ... Updates #4908 Change-Id: If46be5045b13dd5c3068c334642f89b5917ec861 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Andrew Dunham	140b9aad5c	ipn/ipnlocal: fire expiry timer when the current node expires ... The current node isn't in NetMap.Peers, so without this we would not have fired this timer on self expiry. Updates #6932 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Id57f96985397e372f9226802d63b42ff92c95093	2 years ago
Brad Fitzpatrick	06fff461dc	ipn/ipnstate: add PeerStatus.KeyExpiry for tailscale status --json ... Fixes #6712 Change-Id: I817cd5342fac8a956fcefda2d63158fa488f3395 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	6edf357b96	all: start groundwork for using capver for localapi & peerapi ... Updates #7015 Change-Id: I3d4c11b42a727a62eaac3262a879f29bb4ce82dd Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
salman	eec734a578	ipn/{ipnlocal,localapi}: ensure watcher is installed before /watch-ipn-bus/ responds with 200 ... This change delays the first flush in the /watch-ipn-bus/ handler until after the watcher has been successfully installed on the IPN bus. It does this by adding a new onWatchAdded callback to LocalBackend.WatchNotifications(). Without this, the endpoint returns a 200 almost immediatly, and only then installs a watcher for IPN events. This means there's a small window where events could be missed by clients after calling WatchIPNBus(). Fixes tailscale/corp#8594. Signed-off-by: salman <salman@tailscale.com>	2 years ago
Andrew Dunham	3a018e51bb	ipn/ipnlocal: move handling of expired nodes to LocalBackend ... In order to be able to synthesize a new NetMap when a node expires, have LocalBackend start a timer when receiving a new NetMap that fires slightly after the next node expires. Additionally, move the logic that updates expired nodes into LocalBackend so it runs on every netmap (whether received from controlclient or self-triggered). Updates #6932 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: I833390e16ad188983eac29eb34cc7574f555f2f3	2 years ago
Mihai Parparita	67f82e62a1	ipn/ipnlocal: add Expired to PeerStatus ... Needed for clients that get information via the /v0/status LocalAPI endpoint (e.g. to not offer expired exit nodes as options). Updates tailscale/corp#8702 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Andrew Dunham	11ce5b7e57	ipn/ipnlocal, wgengine/magicsock: check Expired bool on Node; print error in Ping ... Change-Id: Ic5f533f175a6e1bb73d4957d8c3f970add42e82e Signed-off-by: Andrew Dunham <andrew@du.nham.ca>	2 years ago
Brad Fitzpatrick	61dfbc0a6e	cmd/tailscale/cli: plumb TUN mode into tailscale web template ... UI works remains, but data is there now. Updates #4015 Change-Id: Ib91e94718b655ad60a63596e59468f3b3b102306 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	1116602d4c	ssh/tailssh: add OpenBSD support for Tailscale SSH ... And bump go.mod for https://github.com/u-root/u-root/pull/2593 Change-Id: I36ec94c5b2b76d671cb739f1e9a1a43ca1d9d1b1 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	69c0b7e712	ipn/ipnlocal: add c2n handler to flush logtail for support debugging ... Updates tailscale/corp#8564 Change-Id: I0c619d4007069f90cffd319fba66bd034d63e84d Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
David Anderson	91e64ca74f	cmd/tailscale/cli: redact private key in debug netmap output by default ... This makes `tailscale debug watch-ipn` safe to use for troubleshooting user issues, in addition to local debugging during development. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
Anton Tolchanov	82b9689e25	ipn/ipnlocal: maintain a proxy handler per backend (#6804) ... By default, `http.Transport` keeps idle connections open hoping to re-use them in the future. Combined with a separate transport per request in HTTP proxy this results in idle connection leak. Fixes #6773	2 years ago
Brad Fitzpatrick	0f604923d3	ipn/ipnlocal: fix StatusWithoutPeers not populating parts of Status ... Fixes #4311 Change-Id: Iaae0615148fa7154f4ef8f66b455e3a6c2fa9df3 Co-authored-by: Claire Wang <claire@tailscale.com> Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
salman	2d271f3bd1	ipn/ipnlocal: disallow exit nodes from using exit nodes ... Nodes which have both -advertise-exit-node and -exit-node in prefs should continue have them until the next invocation of `tailscale up`. Updates #3569. Signed-off-by: salman <salman@tailscale.com>	2 years ago
Brad Fitzpatrick	1598cd0361	net/tsaddr: remove ContainsFunc helpers (they're now in x/exp/slices) ... x/exp/slices now has ContainsFunc (golang/go#53983) so we can delete our versions. Change-Id: I5157a403bfc1b30e243bf31c8b611da25e995078 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Tom DNetto	9c773af04c	ipn/ipnlocal: fix use of stale profile while processing netmap ... Signed-off-by: Tom DNetto <tom@tailscale.com>	2 years ago
Maisem Ali	86b6ff61e6	ipn/ipnlocal: fix Prefs access without mu being held ... Noticed while working on a different fix. Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago