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httpcaddyfile: Fix unexpectedly removed policy (#4128)
* httpcaddyfile: Fix unexpectedly removed policy When user set on_demand tls option in a catch-all (:443) policy, we expect other policies to not have the on_demand enabled See ex in tls_automation_policies_5.txt Btw, we can remove policies if they are **all** empty. * Update caddyconfig/httpcaddyfile/tlsapp.go Co-authored-by: Matt Holt <mholt@users.noreply.github.com> Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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@ -480,15 +480,19 @@ func consolidateAutomationPolicies(aps []*caddytls.AutomationPolicy) []*caddytls
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return len(aps[i].Subjects) > len(aps[j].Subjects)
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})
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// remove any empty policies (except subjects, of course)
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emptyAPCount := 0
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// compute the number of empty policies (disregarding subjects) - see #4128
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emptyAP := new(caddytls.AutomationPolicy)
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for i := 0; i < len(aps); i++ {
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emptyAP.Subjects = aps[i].Subjects
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if reflect.DeepEqual(aps[i], emptyAP) {
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aps = append(aps[:i], aps[i+1:]...)
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i--
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emptyAPCount++
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}
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}
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// If all policies are empty, we can return nil, as there is no need to set any policy
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if emptyAPCount == len(aps) {
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return nil
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}
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// remove or combine duplicate policies
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outer:
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@ -0,0 +1,62 @@
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a.example.com {
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}
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b.example.com {
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}
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:443 {
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tls {
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on_demand
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}
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}
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----------
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{
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"apps": {
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"http": {
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"servers": {
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"srv0": {
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"listen": [
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":443"
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],
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"routes": [
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{
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"match": [
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{
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"host": [
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"a.example.com"
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]
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}
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],
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"terminal": true
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},
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{
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"match": [
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{
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"host": [
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"b.example.com"
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]
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}
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],
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"terminal": true
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}
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]
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}
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}
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},
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"tls": {
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"automation": {
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"policies": [
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{
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"subjects": [
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"a.example.com",
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"b.example.com"
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]
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},
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{
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"on_demand": true
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}
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]
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}
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}
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}
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}
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