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Revert "--advertise-routes option enabled in Mac tailscale CLI; it checks for IP forwarding enabled" 

This reverts commit 08949d4ef1.

I think this code was aspirational. There's no code that sets up the
appropriate NAT code using pfctl/etc. See #911 and #1475.

Updates #1475
Updates #911
This commit is contained in:
Brad Fitzpatrick 2021-03-09 19:30:26 -08:00
parent bf0740b011
commit cc99059fc2
1 changed files with 3 additions and 4 deletions
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7
cmd/tailscale/cli/up.go
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@ -24,7 +24,6 @@ import (
"tailscale.com/ipn"
"tailscale.com/tailcfg"
"tailscale.com/types/preftype"
"tailscale.com/version"
"tailscale.com/version/distro"
)
@ -52,7 +51,7 @@ specify any flags, options are reset to their default.
upf.StringVar(&upArgs.advertiseTags, "advertise-tags", "", "ACL tags to request (comma-separated, e.g. eng,montreal,ssh)")
upf.StringVar(&upArgs.authKey, "authkey", "", "node authorization key")
upf.StringVar(&upArgs.hostname, "hostname", "", "hostname to use instead of the one provided by the OS")
if runtime.GOOS == "linux" || isBSD(runtime.GOOS) || version.OS() == "macOS" {
if runtime.GOOS == "linux" || isBSD(runtime.GOOS) {
upf.StringVar(&upArgs.advertiseRoutes, "advertise-routes", "", "routes to advertise to other nodes (comma-separated, e.g. 10.0.0.0/8,192.168.0.0/24)")
upf.BoolVar(&upArgs.advertiseDefaultRoute, "advertise-exit-node", false, "offer to be an exit node for internet traffic for the tailnet")
}
@ -97,14 +96,14 @@ func warnf(format string, args ...interface{}) {
fmt.Printf("Warning: "+format+"\n", args...)
}
// checkIPForwarding prints warnings if IP forwarding is not
// checkIPForwarding prints warnings on linux if IP forwarding is not
// enabled, or if we were unable to verify the state of IP forwarding.
func checkIPForwarding() {
var key string
if runtime.GOOS == "linux" {
key = "net.ipv4.ip_forward"
} else if isBSD(runtime.GOOS) || version.OS() == "macOS" {
} else if isBSD(runtime.GOOS) {
key = "net.inet.ip.forwarding"
} else {
return