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path: root/wgengine/netstack/netstack_test.go
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2022-09-21wgengine/netstack: always respond to 4via6 echo requests (#5712)Andrew Dunham1-30/+33
As the comment in the code says, netstack should always respond to ICMP echo requests to a 4via6 address, even if the netstack instance isn't normally processing subnet traffic. Follow-up to #5709 Change-Id: I504d0776c5824071b2a2e0e687bc33e24f6c4746 Signed-off-by: Andrew Dunham <andrew@tailscale.com>
2022-09-21wgengine/netstack: handle 4via6 packets when pinging (#5709)Andrew Dunham1-0/+165
Change-Id: Ib6ebbaa11219fb91b550ed7fc6ede61f83262e89 Signed-off-by: Andrew Dunham <andrew@tailscale.com>
2022-07-25all: convert more code to use net/netip directlyBrad Fitzpatrick1-2/+2
perl -i -npe 's,netaddr.IPPrefixFrom,netip.PrefixFrom,' $(git grep -l -F netaddr.) perl -i -npe 's,netaddr.IPPortFrom,netip.AddrPortFrom,' $(git grep -l -F netaddr. ) perl -i -npe 's,netaddr.IPPrefix,netip.Prefix,g' $(git grep -l -F netaddr. ) perl -i -npe 's,netaddr.IPPort,netip.AddrPort,g' $(git grep -l -F netaddr. ) perl -i -npe 's,netaddr.IP\b,netip.Addr,g' $(git grep -l -F netaddr. ) perl -i -npe 's,netaddr.IPv6Raw\b,netip.AddrFrom16,g' $(git grep -l -F netaddr. ) goimports -w . Then delete some stuff from the net/netaddr shim package which is no longer neeed. Updates #5162 Change-Id: Ia7a86893fe21c7e3ee1ec823e8aba288d4566cd8 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2022-07-25net/netaddr: start migrating to net/netip via new netaddr adapter packageBrad Fitzpatrick1-1/+1
Updates #5162 Change-Id: Id7bdec303b25471f69d542f8ce43805328d56c12 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2022-04-30assorted: documentation and readability fixesTom DNetto1-2/+2
This were intended to be pushed to #4408, but in my excitement I forgot to git push :/ better late than never. Signed-off-by: Tom DNetto <tom@tailscale.com>
2022-04-30net/tstun,wgengine/{.,netstack}: handle UDP magicDNS traffic in netstackTom DNetto1-2/+2
This change wires netstack with a hook for traffic coming from the host into the tun, allowing interception and handling of traffic to quad-100. With this hook wired, magicDNS queries over UDP are now handled within netstack. The existing logic in wgengine to handle magicDNS remains for now, but its hook operates after the netstack hook so the netstack implementation takes precedence. This is done in case we need to support platforms with netstack longer than expected. Signed-off-by: Tom DNetto <tom@tailscale.com>
2022-04-07wgengine/netstack: disable refsvfs2 leak tracking (#4378)James Tucker1-0/+10
In addition an envknob (TS_DEBUG_NETSTACK_LEAK_MODE) now provides access to set leak tracking to more useful values. Fixes #4309 Signed-off-by: James Tucker <james@tailscale.com>
2022-03-17all: use any instead of interface{}Josh Bleecher Snyder1-1/+1
My favorite part of generics. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
2022-01-19wgengine/netstack: add a missing refcount decrement after packet injectionBrad Fitzpatrick1-0/+76
Fixes #3762 Updates #3745 (probably fixes?) Change-Id: I1d3f0590fd5b8adfbc9110bc45ff717bb9e79aae Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-11-30net/tsdial: start of new package to unify all outbound dialing complexityBrad Fitzpatrick1-112/+0
For now this just deletes the net/socks5/tssocks implementation (and the DNSMap stuff from wgengine/netstack) and moves it into net/tsdial. Then initialize a Dialer early in tailscaled, currently only use for the outbound and SOCKS5 proxies. It will be plumbed more later. Notably, it needs to get down into the DNS forwarder for exit node DNS forwading in netstack mode. But it will also absorb all the peerapi setsockopt and netns Dial and tlsdial complexity too. Updates #1713 Change-Id: Ibc6d56ae21a22655b2fa1002d8fc3f2b2ae8b6df Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-06-28wgengine/netstack: make SOCKS5 resolve names to IPv6 if self node when no IPv4Brad Fitzpatrick1-0/+112
For instance, ephemeral nodes with only IPv6 addresses can now SOCKS5-dial out to names like "foo" and resolve foo's IPv6 address rather than foo's IPv4 address and get a "no route" (*tcpip.ErrNoRoute) error from netstack's dialer. Per https://github.com/tailscale/tailscale/issues/2268#issuecomment-870027626 which is only part of the isuse. Updates #2268 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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