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Migrate ACLs syntax to new Tailscale format

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Implements #617.

Tailscale has changed the format of their ACLs to use a more firewall-y terms ("users" & "ports" -> "src" & "dst"). They have also started using all-lowercase tags. This PR applies these changes.
This commit is contained in:
Juan Font Alonso 2022-06-08 13:40:15 +02:00
parent 8fed47a2be
commit 3e353004b8
12 changed files with 126 additions and 124 deletions
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22
acls.go
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@ -123,11 +123,11 @@ func (h *Headscale) generateACLRules() ([]tailcfg.FilterRule, error) {
}
srcIPs := []string{}
for innerIndex, user := range acl.Users {
srcs, err := h.generateACLPolicySrcIP(machines, *h.aclPolicy, user)
for innerIndex, src := range acl.Sources {
srcs, err := h.generateACLPolicySrcIP(machines, *h.aclPolicy, src)
if err != nil {
log.Error().
Msgf("Error parsing ACL %d, User %d", index, innerIndex)
Msgf("Error parsing ACL %d, Source %d", index, innerIndex)
return nil, err
}
@ -135,11 +135,11 @@ func (h *Headscale) generateACLRules() ([]tailcfg.FilterRule, error) {
}
destPorts := []tailcfg.NetPortRange{}
for innerIndex, ports := range acl.Ports {
dests, err := h.generateACLPolicyDestPorts(machines, *h.aclPolicy, ports)
for innerIndex, dest := range acl.Destinations {
dests, err := h.generateACLPolicyDest(machines, *h.aclPolicy, dest)
if err != nil {
log.Error().
Msgf("Error parsing ACL %d, Port %d", index, innerIndex)
Msgf("Error parsing ACL %d, Destination %d", index, innerIndex)
return nil, err
}
@ -158,17 +158,17 @@ func (h *Headscale) generateACLRules() ([]tailcfg.FilterRule, error) {
func (h *Headscale) generateACLPolicySrcIP(
machines []Machine,
aclPolicy ACLPolicy,
u string,
src string,
) ([]string, error) {
return expandAlias(machines, aclPolicy, u, h.cfg.OIDC.StripEmaildomain)
return expandAlias(machines, aclPolicy, src, h.cfg.OIDC.StripEmaildomain)
}
func (h *Headscale) generateACLPolicyDestPorts(
func (h *Headscale) generateACLPolicyDest(
machines []Machine,
aclPolicy ACLPolicy,
d string,
dest string,
) ([]tailcfg.NetPortRange, error) {
tokens := strings.Split(d, ":")
tokens := strings.Split(dest, ":")
if len(tokens) < expectedTokenItems || len(tokens) > 3 {
return nil, errInvalidPortFormat
}