extern/netbird
1
0
Fork 0
mirror of https://github.com/netbirdio/netbird.git synced 2025-08-18 19:09:09 +02:00
Code Issues Packages Projects Releases Wiki Activity

Properly parse dns resolver address (#622)

Browse Source 
Prevent panic when address is empty. Common with older managers, where
resolver is disabled by default as
we receive an empty dns config
This commit is contained in:
Maycon Santos
2022-12-13 12:26:48 +01:00
committed by GitHub
parent 93fcfeae91
commit 7dfef091bb
3 changed files with 53 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
client/internal/dns/systemd_linux.go
View File

@@ -75,12 +75,16 @@ func newSystemdDbusConfigurator(wgInterface *iface.WGIface) (hostManager, error)
}
func (s *systemdDbusConfigurator) applyDNSConfig(config hostDNSConfig) error {
parsedIP := netip.MustParseAddr(config.serverIP).As4()
parsedIP, err := netip.ParseAddr(config.serverIP)
if err != nil {
return fmt.Errorf("unable to parse ip address, error: %s", err)
}
ipAs4 := parsedIP.As4()
defaultLinkInput := systemdDbusDNSInput{
Family: unix.AF_INET,
Address: parsedIP[:],
Address: ipAs4[:],
}
err := s.callLinkMethod(systemdDbusSetDNSMethodSuffix, []systemdDbusDNSInput{defaultLinkInput})
err = s.callLinkMethod(systemdDbusSetDNSMethodSuffix, []systemdDbusDNSInput{defaultLinkInput})
if err != nil {
return fmt.Errorf("setting the interface DNS server %s:%d failed with error: %s", config.serverIP, config.serverPort, err)
}