TheArchive/tailscale
1
0
Fork 0
mirror of https://github.com/tailscale/tailscale.git synced 2024-11-29 04:55:31 +00:00
Code Issues Packages Projects Releases Wiki Activity

ipn/ipnlocal: add URL to IP forwarding error message

Browse Source 
Updates #606

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2021-07-28 08:00:03 -07:00
parent f414a9cc01
commit 690ade4ee1
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
ipn/ipnlocal/local.go
View File

@ -2743,17 +2743,18 @@ func (b *LocalBackend) CheckIPForwarding() error {
return nil
}
const suffix = "\nSubnet routes won't work without IP forwarding.\nSee https://tailscale.com/kb/1104/enable-ip-forwarding/"
for _, key := range keys {
bs, err := exec.Command("sysctl", "-n", key).Output()
if err != nil {
return fmt.Errorf("couldn't check %s (%v).\nSubnet routes won't work without IP forwarding.", key, err)
return fmt.Errorf("couldn't check %s (%v)%s", key, err, suffix)
}
on, err := strconv.ParseBool(string(bytes.TrimSpace(bs)))
if err != nil {
return fmt.Errorf("couldn't parse %s (%v).\nSubnet routes won't work without IP forwarding.", key, err)
return fmt.Errorf("couldn't parse %s (%v)%s.", key, err, suffix)
}
if !on {
return fmt.Errorf("%s is disabled. Subnet routes won't work.", key)
return fmt.Errorf("%s is disabled.%s", key, suffix)
}
}
return nil