mirror of
https://github.com/juanfont/headscale.git
synced 2024-12-20 19:09:07 +01:00
feb15365b5
This is a massive commit that restructures the code into modules:
db/
All functions related to modifying the Database
types/
All type definitions and methods that can be exclusivly used on
these types without dependencies
policy/
All Policy related code, now without dependencies on the Database.
policy/matcher/
Dedicated code to match machines in a list of FilterRules
Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
62 lines
967 B
Go
62 lines
967 B
Go
package matcher
|
|
|
|
import (
|
|
"net/netip"
|
|
|
|
"github.com/juanfont/headscale/hscontrol/util"
|
|
"go4.org/netipx"
|
|
"tailscale.com/tailcfg"
|
|
)
|
|
|
|
type Match struct {
|
|
Srcs *netipx.IPSet
|
|
Dests *netipx.IPSet
|
|
}
|
|
|
|
func MatchFromFilterRule(rule tailcfg.FilterRule) Match {
|
|
srcs := new(netipx.IPSetBuilder)
|
|
dests := new(netipx.IPSetBuilder)
|
|
|
|
for _, srcIP := range rule.SrcIPs {
|
|
set, _ := util.ParseIPSet(srcIP, nil)
|
|
|
|
srcs.AddSet(set)
|
|
}
|
|
|
|
for _, dest := range rule.DstPorts {
|
|
set, _ := util.ParseIPSet(dest.IP, nil)
|
|
|
|
dests.AddSet(set)
|
|
}
|
|
|
|
srcsSet, _ := srcs.IPSet()
|
|
destsSet, _ := dests.IPSet()
|
|
|
|
match := Match{
|
|
Srcs: srcsSet,
|
|
Dests: destsSet,
|
|
}
|
|
|
|
return match
|
|
}
|
|
|
|
func (m *Match) SrcsContainsIPs(ips []netip.Addr) bool {
|
|
for _, ip := range ips {
|
|
if m.Srcs.Contains(ip) {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func (m *Match) DestsContainsIP(ips []netip.Addr) bool {
|
|
for _, ip := range ips {
|
|
if m.Dests.Contains(ip) {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|