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mirror of https://github.com/juanfont/headscale.git synced 2024-12-20 19:09:07 +01:00

Give a warning when users have set an unsupported prefix

Fix minor log issue

Removed debug meessage
This commit is contained in:
Juan Font 2023-05-06 09:30:15 +00:00
parent 00c514608e
commit 7338775de7

View File

@ -16,6 +16,7 @@ import (
"github.com/rs/zerolog/log" "github.com/rs/zerolog/log"
"github.com/spf13/viper" "github.com/spf13/viper"
"go4.org/netipx" "go4.org/netipx"
"tailscale.com/net/tsaddr"
"tailscale.com/tailcfg" "tailscale.com/tailcfg"
"tailscale.com/types/dnstype" "tailscale.com/types/dnstype"
) )
@ -515,6 +516,29 @@ func GetHeadscaleConfig() (*Config, error) {
if err != nil { if err != nil {
panic(fmt.Errorf("failed to parse ip_prefixes[%d]: %w", i, err)) panic(fmt.Errorf("failed to parse ip_prefixes[%d]: %w", i, err))
} }
if prefix.Addr().Is4() {
builder := netipx.IPSetBuilder{}
builder.AddPrefix(tsaddr.CGNATRange())
ipSet, _ := builder.IPSet()
if !ipSet.ContainsPrefix(prefix) {
log.Warn().
Msgf("Prefix %s is not in the %s range. This is an unsupported configuration.",
prefixInConfig, tsaddr.CGNATRange())
}
}
if prefix.Addr().Is6() {
builder := netipx.IPSetBuilder{}
builder.AddPrefix(tsaddr.TailscaleULARange())
ipSet, _ := builder.IPSet()
if !ipSet.ContainsPrefix(prefix) {
log.Warn().
Msgf("Prefix %s is not in the %s range. This is an unsupported configuration.",
prefixInConfig, tsaddr.TailscaleULARange())
}
}
parsedPrefixes = append(parsedPrefixes, prefix) parsedPrefixes = append(parsedPrefixes, prefix)
} }