CalvinBackup/ctrld
1
0
Fork 0
mirror of https://github.com/Control-D-Inc/ctrld.git synced 2026-09-04 13:36:35 +02:00
Code Issues Packages Projects Releases Wiki Activity

Resolve "OS upstream failure / wrong default route"

Browse Source
This commit is contained in:
Alex Paguis
2025-02-24 18:36:08 +07:00
committed by Cuong Manh Le
parent 49eb152d02
commit a0c5062e3a
5 changed files with 118 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cmd/cli/os_windows.go
+27 -2
View File
@@ -43,21 +43,42 @@ func setDNS(iface *net.Interface, nameservers []string) error {
// If there's a Dns server running, that means we are on AD with Dns feature enabled.
// Configuring the Dns server to forward queries to ctrld instead.
if hasLocalDnsServerRunning() {
mainLog.Load().Debug().Msg("Local DNS server detected, configuring forwarders")
file := absHomeDir(windowsForwardersFilename)
oldForwardersContent, _ := os.ReadFile(file)
mainLog.Load().Debug().Msgf("Using forwarders file: %s", file)
oldForwardersContent, err := os.ReadFile(file)
if err != nil {
mainLog.Load().Debug().Err(err).Msg("Could not read existing forwarders file")
} else {
mainLog.Load().Debug().Msgf("Existing forwarders content: %s", string(oldForwardersContent))
}
hasLocalIPv6Listener := needLocalIPv6Listener()
mainLog.Load().Debug().Bool("has_ipv6_listener", hasLocalIPv6Listener).Msg("IPv6 listener status")
forwarders := slices.DeleteFunc(slices.Clone(nameservers), func(s string) bool {
if !hasLocalIPv6Listener {
return false
}
return s == "::1"
})
mainLog.Load().Debug().Strs("forwarders", forwarders).Msg("Filtered forwarders list")
if err := os.WriteFile(file, []byte(strings.Join(forwarders, ",")), 0600); err != nil {
mainLog.Load().Warn().Err(err).Msg("could not save forwarders settings")
} else {
mainLog.Load().Debug().Msg("Successfully wrote new forwarders file")
}
oldForwarders := strings.Split(string(oldForwardersContent), ",")
mainLog.Load().Debug().Strs("old_forwarders", oldForwarders).Msg("Previous forwarders")
if err := addDnsServerForwarders(forwarders, oldForwarders); err != nil {
mainLog.Load().Warn().Err(err).Msg("could not set forwarders settings")
} else {
mainLog.Load().Debug().Msg("Successfully configured DNS server forwarders")
}
}
})
@@ -229,7 +250,11 @@ func currentStaticDNS(iface *net.Interface) ([]string, error) {
if len(value) > 0 {
mainLog.Load().Debug().Msgf("found static DNS for interface %q: %s", iface.Name, value)
parsed := parseDNSServers(value)
ns = append(ns, parsed...)
for _, pns := range parsed {
if !slices.Contains(ns, pns) {
ns = append(ns, pns)
}
}
}
}
}()