mirror of
https://github.com/Control-D-Inc/ctrld.git
synced 2026-10-12 01:58:46 +02:00
53 lines
1.6 KiB
Go
53 lines
1.6 KiB
Go
package cli
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import (
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"context"
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"github.com/Control-D-Inc/ctrld"
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)
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var initializeOsResolver = ctrld.InitializeOsResolverWithReason
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// Reasons that the journal reports when the resolver set changes. Each one
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// names the code path that read the resolvers of the host.
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const (
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osResolverReasonStart = "start"
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osResolverReasonWakeProbe = "wake_probe"
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osResolverReasonVPNSettle = "vpn_settle"
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osResolverReasonDelayedRecheck = "delayed_recheck"
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)
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func (p *prog) refreshDNSAfterVPNSettle(reason string) (routes, domainlessServers, exemptions int) {
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mainLog.Load().Info().Msgf("DNS intercept: refreshing OS/VPN DNS route state after VPN settle (%s)", reason)
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ctx := ctrld.LoggerCtx(context.Background(), mainLog.Load())
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ns := initializeOsResolver(ctx, true, osResolverReasonVPNSettle)
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mainLog.Load().Debug().Msgf("DNS intercept: post-settle OS resolver nameservers: %v", ns)
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if p.vpnDNS == nil {
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mainLog.Load().Debug().Msg("DNS intercept: post-settle VPN DNS route refresh skipped — manager unavailable")
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return 0, 0, 0
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}
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routes, domainlessServers, exemptions = p.vpnDNS.RefreshRoutesOnly()
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mainLog.Load().Info().Msgf("DNS intercept: post-settle VPN DNS route refresh completed — %d routes, %d domainless servers, %d exemptions",
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routes, domainlessServers, exemptions)
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return routes, domainlessServers, exemptions
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}
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func vpnDNSExemptionsEqual(a, b []vpnDNSExemption) bool {
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if len(a) != len(b) {
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return false
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}
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seen := make(map[vpnDNSExemption]int, len(a))
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for _, ex := range a {
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seen[ex]++
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}
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for _, ex := range b {
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if seen[ex] == 0 {
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return false
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}
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seen[ex]--
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}
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return true
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}
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