Avery Pennarun 65fbb9c303 wgengine/filter: support subnet mask rules, not just /32 IPs. ... This depends on improved support from the control server, to send the new subnet width (Bits) fields. If these are missing, we fall back to assuming their value is /32. Conversely, if the server sends Bits fields to an older client, it will interpret them as /32 addresses. Since the only rules we allow are "accept" rules, this will be narrower or equal to the intended rule, so older clients will simply reject hosts on the wider subnet (fail closed). With this change, the internal filter.Matches format has diverged from the wire format used by controlclient, so move the wire format into tailcfg and convert it to filter.Matches in controlclient. Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>		2020-04-30 04:56:43 -04:00
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tailcfg_test.go	all: update to wireguard-go API changes	2020-03-17 08:53:05 -07:00
tailcfg.go	wgengine/filter: support subnet mask rules, not just /32 IPs.	2020-04-30 04:56:43 -04:00