tailscale

Commit Graph

Author	SHA1	Message	Date
David Anderson	45578b47f3	tstest/natlab: refactor PacketHandler into a larger interface. The new interface lets implementors more precisely distinguish local traffic from forwarded traffic, and applies different forwarding logic within Machines for each type. This allows Machines to be packet forwarders, which didn't quite work with the implementation of Inject. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	23123907c0	tstest/natlab: add a configurable SNAT44 translator. This lets us implement the most common kinds of NAT in the wild. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	39ecb37fd6	tstest/natlab: support different firewall selectivities. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	88e8456e9b	wgengine/magicsock: add a connectivity test for facing firewalls. The test demonstrates that magicsock can traverse two stateful firewalls facing each other, that each require localhost to initiate connections. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	b3d65ba943	tstest/natlab: refactor, expose a Packet type. HandlePacket and Inject now receive/take Packets. This is a handy container for the packet, and the attached Trace method can be used to print traces from custom packet handlers that integrate nicely with natlab's internal traces. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	5eedbcedd1	tstest/natlab: add a stateful firewall. The firewall provides a ProcessPacket handler, and implements an address-and-port endpoint dependent firewall that allows all traffic to egress from the trusted interface, and only allows inbound traffic if corresponding outbound traffic was previously seen. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	0ed9f62ed0	tstest/natlab: provide inbound interface to HandlePacket. Requires a bunch of refactoring so that Networks only ever refer to Interfaces that have been attached to them, and Interfaces know about both their Network and Machine. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
Brad Fitzpatrick	6c74065053	wgengine/magicsock, tstest/natlab: start hooking up natlab to magicsock Also adds ephemeral port support to natlab. Work in progress. Pairing with @danderson.	4 years ago
Brad Fitzpatrick	7883e5c5e7	go.mod: restore staticcheck module, make it stick around, go mod tidy It kept coming & going as different people ran go mod tidy and others ran staticcheck. Make it stop going away with go mod tidy by adding a dep to it.	4 years ago
David Anderson	0aea087766	tstest/natlab: add PacketHandler and Inject. Together, they can be used to plug custom packet processors into Machines. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	73db7e99ab	tstest/natlab: make Machine constructible directly. This is a prelude to adding more fields, which would otherwise become more unnamed function params. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	d94593e884	tstest/natlab: unregister conn4 if registration of conn6 fails. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	d7bc4ec029	tstest/natlab: use common helper for conn registration. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	80a14c49c6	tstest/natlab: add comments to conns4/conns6. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	c53b154171	tstest/natlab: use &Network in test. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	622c0d0cb3	tstest/natlab: print trace data when NATLAB_TRACE is set. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	1d4f9852a7	tstest/natlab: correctly handle dual-stacked PacketConns. Adds a test with multiple networks, one of which is v4-only. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	771eb05bcb	tstest/natlab: first network attached becomes the default route. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	f2e5da916a	tstest/natlab: allow sensible default construction of networks. Add a test for LAN->LAN traffic. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
Brad Fitzpatrick	97910ce712	tstest/natlab: remove unused PacketConner type	4 years ago
Brad Fitzpatrick	14b4213c17	tstest/natlab: add missing tests from earlier commits Now you can actually see that packet delivery works. Pairing with @danderson	4 years ago
Brad Fitzpatrick	3f4f1cfe66	tstest/natlab: basic NAT-free packet delivery works Pairing with @danderson	4 years ago
Brad Fitzpatrick	a477e70632	tstest/natlab: network address allocation Pairing with @danderson	4 years ago
Brad Fitzpatrick	bb1a9e4700	tstest/natlab: bit more of in-memory network testing package Pairing with @danderson	4 years ago
Brad Fitzpatrick	23c93da942	tstest/natlab: start of in-memory network testing package Pairing with @danderson	4 years ago
Brad Fitzpatrick	5ec7ac1d02	tstest: document PanicOnLog	5 years ago
Avery Pennarun	4f128745d8	magicsock/test: oops, fix a data race in nested-test logf hack. Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	5 years ago
Avery Pennarun	08acb502e5	Add tstest.PanicOnLog(), and fix various problems detected by this. If a test calls log.Printf, 'go test' horrifyingly rearranges the output to no longer be in chronological order, which makes debugging virtually impossible. Let's stop that from happening by making log.Printf panic if called from any module, no matter how deep, during tests. This required us to change the default error handler in at least one http.Server, as well as plumbing a bunch of logf functions around, especially in magicsock and wgengine, but also in logtail and backoff. To add insult to injury, 'go test' also rearranges the output when a parent test has multiple sub-tests (all the sub-test's t.Logf is always printed after all the parent tests t.Logf), so we need to screw around with a special Logf that can point at the "current" t (current_t.Logf) in some places. Probably our entire way of using subtests is wrong, since 'go test' would probably like to run them all in parallel if you called t.Parallel(), but it definitely can't because the're all manipulating the shared state created by the parent test. They should probably all be separate toplevel tests instead, with common setup/teardown logic. But that's a job for another time. Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	5 years ago
Avery Pennarun	e0b666c5d2	tstest.ResourceCheck: clarify success message. Inclusion of the word "assert" made it seem like a failure, even though it was supposed to be identifying the name of the function (Assert()). Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	5 years ago
David Anderson	0038223632	tstest: rename from testy. Signed-off-by: David Anderson <danderson@tailscale.com>	5 years ago

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280 Commits (05523bdcdd19ef14ec2936d94766842ac880de99)