tailscale

Commit Graph

Author	SHA1	Message	Date
Brad Fitzpatrick	638127530b	ipn/ipnserver: prevent use by multiple Windows users, add HTML status page It was previously possible for two different Windows users to connect to the IPN server at once, but it didn't really work. They mostly stepped on each other's toes and caused chaos. Now only one can control it, but it can be active for everybody else. Necessary dependency step for Windows server/headless mode (#275) While here, finish wiring up the HTTP status page on Windows, now that all the dependent pieces are available.	4 years ago
Josh Bleecher Snyder	400e89367c	tailcfg: restore Role field to MapResponse Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Brad Fitzpatrick	22c462bd91	wgengine/monitor: fix copy/paste-o to actually monitor route changes Due to a copy/paste-o, we were monitoring address changes twice, and not monitoring route changes at all. Verified with 'tailscale debug --monitor' that this actually works now (while running 'route add 10.3.0.0 mask 255.255.0.0 10.0.0.1' and 'route delete (same)' back and forth in cmd.exe) In practice route changes are accompanied by address changes and this doesn't fix any known issues. I just noticed this while reading this code again. But at least the code does what it was trying to do now.	4 years ago
Brad Fitzpatrick	63d65368db	go.mod: bump wireguard-go for x/sys/unix symbol loss Updates golang/go#41868	4 years ago
Avery Pennarun	6332bc5e08	controlclient: print http errors if result code != 200. Turns out for the particular error I was chasing, it actually returns 200 and zero data. But this code mirrors the same check in the map poll, and is the right thing to do in the name of future debugging. Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Avery Pennarun	0e5f2b90a5	echoRespondToAll: filter.Accept rather than filter.Drop on a match. This function is only called in fake mode, which won't do anything more with the packet after we respond to it anyway, so dropping it in the prefilter is not necessary. And it's kinda semantically wrong: we did not reject it, so telling the upper layer that it was rejected produces an ugly error message. Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Avery Pennarun	5041800ac6	wgengine/tstun/faketun: it's a null tunnel, not a loopback. At some point faketun got implemented as a loopback (put a packet in from wireguard, the same packet goes back to wireguard) which is not useful. It's supposed to be an interface that just sinks all packets, and then wgengine adds only and ICMP Echo responder as a layer on top. This caused extremely odd bugs on darwin, where the special case that reinjects packets from local->local was filling the loopback channel and creating an infinite loop (which became jammed since the reader and writer were in the same goroutine). Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Brad Fitzpatrick	3e4c46259d	wgengine/magicsock: don't do netchecks either when network is down A continuation of `6ee219a25d` Updates #640	4 years ago
Brad Fitzpatrick	6ee219a25d	ipn, wgengine, magicsock, tsdns: be quieter and less aggressive when offline If no interfaces are up, calm down and stop spamming so much. It was noticed as especially bad on Windows, but probably was bad everywhere. I just have the best network conditions testing on a Windows VM. Updates #604	4 years ago
David Crawshaw	7616acd118	tailcfg: add Clone method for RegisterResponse Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	4 years ago
David Crawshaw	15297a3a09	control/controlclient: some extra debug info in errors Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	4 years ago
Brad Fitzpatrick	587bdc4280	ipn, wgengine: disable subnet routes if network has PAC configuration Not configurable yet. Updates tailscale/corp#653 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Josh Bleecher Snyder	a5103a4cae	all: upgrade to latest version of depaware	4 years ago
Josh Bleecher Snyder	585a0d8997	all: use testing.T.TempDir Bit of Friday cleanup. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Brad Fitzpatrick	ed5d5f920f	net/interfaces: add interfaces.State.String method	4 years ago
Josh Bleecher Snyder	9784cae23b	util/uniq: add new package This makes it easy to compact slices that contain duplicate elements by sorting and then uniqing. This is an alternative to constructing an intermediate map and then extracting elements from it. It also provides more control over equality than using a map key does. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Brad Fitzpatrick	12e28aa87d	ipn: on transition from no PAC to PAC, reset state So previous routes aren't shadowing resources that the operating system might need (Windows Domain Controller, DNS server, corp HTTP proxy, WinHTTP fetching the PAC file itself, etc). This effectively detects when we're transitioning from, say, public wifi to corp wifi and makes Tailscale remove all its routes and stops its TCP connections and tries connecting to everything anew. Updates tailscale/corp#653	4 years ago
Brad Fitzpatrick	cab3eb995f	net/interfaces: quiet PAC detection logging in no-PAC case, add benchmark	4 years ago
Josh Bleecher Snyder	38dda1ea9e	all: update depaware.txt Broken by `8051ecff55`. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Brad Fitzpatrick	8051ecff55	net/interfaces: add State.PAC field, populate it on Windows Not used for anything yet (except logging), but populate the current proxy autoconfig PAC URL in Interfaces.State. A future change will do things based on it.	4 years ago
Brad Fitzpatrick	b5a3850d29	control/controlclient, ipn: store machine key separately from user prefs/persist Updates #610 (fixes after some win/xcode changes in a separate repo)	4 years ago
Josh Bleecher Snyder	e1596d655a	tstest: skip resource check when test has failed Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Josh Bleecher Snyder	ce6aca13f0	tailcfg: add yet another IsZero method Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Josh Bleecher Snyder	070dfa0c3d	tailcfg: add more IsZero methods Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Josh Bleecher Snyder	efb08e4fee	all: use IsZero methods Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Brad Fitzpatrick	c8f257df00	Revert "all: keep UserProfiles a slice instead of a map for longer" This reverts commit `e5894aba42`. Breaks macOS/iOS build. Reverting per chat with Josh; he'll fix later today.	4 years ago
Brad Fitzpatrick	90b7293b3b	ipn: add/move some constants, update a comment And make the StateStore implementations be Stringers, for error messages.	4 years ago
Josh Bleecher Snyder	1fecf87363	control/controlclient: use wgcfg.PrivateKey.IsZero Generated by eg using template: --- package p import "github.com/tailscale/wireguard-go/wgcfg" func before(k wgcfg.PrivateKey) bool { return k == wgcfg.PrivateKey{} } func after(k wgcfg.PrivateKey) bool { return k.IsZero() } Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Josh Bleecher Snyder	2b8d2babfa	tailcfg: add IsZero methods to UserID and NodeID These will be helpful for doing some automated refactoring. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Josh Bleecher Snyder	e5894aba42	all: keep UserProfiles a slice instead of a map for longer Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Josh Bleecher Snyder	4d4ca2e496	control/controlclient: remove Roles fields from client They are unused. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
David Anderson	c493e5804f	wgengine/router: make v6-ness configurable in test, for consistent results. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
Josh Bleecher Snyder	d3701417fc	tailcfg: fix typo in comment Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Brad Fitzpatrick	c86761cfd1	Remove tuntap references. We only use TUN.	4 years ago
Brad Fitzpatrick	8b94a769be	cmd/tailscaled: use the standard flag page instead of getopt Per discussion with @crawshaw. The CLI tool already used std flag anyway. If either of them, it would've made more sense for the CLI to use getopt.	4 years ago
Brad Fitzpatrick	94a68a113b	go.sum: tidy	4 years ago
Brad Fitzpatrick	01098f41d0	wgengine/tstun: fix typo in comment	4 years ago
Brad Fitzpatrick	73cc2d8f89	wgengine/filter: also silently drop link-local unicast traffic Updates #629	4 years ago
Brad Fitzpatrick	5f807c389e	wgengine/filter: drop multicast packets out, don't log about them Eventually we'll probably support multicast. For now it's just log spam. Fixes #629	4 years ago
Brad Fitzpatrick	bbb56f2303	wgengine/router: fix tests on Debian Buster as regular user on machine with IPv6	4 years ago
David Anderson	fddbcb0c7b	wgengine/router: support various degrees of broken IPv6. Gracefully skips touching the v6 NAT table on systems that don't have it, and doesn't configure IPv6 at all if IPv6 is globally disabled. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	0d80904fc2	wgengine/router: set up basic IPv6 routing/firewalling. Part of #19. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
Josh Bleecher Snyder	f0ef561049	wgengine/tsdns: use netns to obtain a socket Fixes #789 Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Josh Bleecher Snyder	6e8328cba5	wgengine/tsdns: replace connections when net link changes (macOS) When the network link changes, existing UDP sockets fail immediately and permanently on macOS. The forwarder set up a single UDP conn and never changed it. As a result, any time there was a network link change, all forwarded DNS queries failed. To fix this, create a new connection when send requests fail because of network unreachability. This change is darwin-only, although extended it to other platforms should be straightforward. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Josh Bleecher Snyder	1fd10061fd	wgengine/tsdns: delegate bonjour service rdns requests While we're here, parseQuery into a plain function. This is helpful for fuzzing. (Which I did a bit of. Didn't find anything.) And clean up a few minor things. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Brad Fitzpatrick	2d0ed99672	wgengine, wgengine/router: add a bunch of (temporary?) engine creation logging Trying to debug what's slow on a user's machine. Updates #785	4 years ago
Brad Fitzpatrick	7c11f71ac5	wgengine/router: ignore errors deleting 169.254.255.255/32 route on Windows Updates #785	4 years ago
David Anderson	b7e0ff598a	wgengine: don't close tundev in NewUserspaceEngine. newUserspaceEngineAdvanced closes the tun device on error already. Fixes #783. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
Brad Fitzpatrick	a601a760ba	version: add Windows MAJOR,MINOR,BUILD,REVISON value Updates #778 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Brad Fitzpatrick	8893c2ee78	net/interfaces, net/netns: move default route interface code to interfaces To populate interfaces.State.DefaultRouteInterface. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago

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