TheArchive/tailscale
1
0
Fork 0
mirror of https://github.com/tailscale/tailscale.git synced 2025-08-12 05:37:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

all: illumos/solaris userspace only support

Browse Source 
Updates #14565

Change-Id: I743148144938794db0a224873ce76c10dbe6fa5f
Signed-off-by: Nahum Shalman <nahamu@gmail.com>
This commit is contained in:
Nahum Shalman
2023-04-23 15:57:35 +00:00
committed by Brad Fitzpatrick
parent 6ddeae7556
commit 9373a1b902
14 changed files with 60 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
net/netutil/ip_forward.go
View File

@@ -63,6 +63,11 @@ func CheckIPForwarding(routes []netip.Prefix, state *netmon.State) (warn, err er
switch runtime.GOOS {
case "dragonfly", "freebsd", "netbsd", "openbsd":
return fmt.Errorf("Subnet routing and exit nodes only work with additional manual configuration on %v, and is not currently officially supported.", runtime.GOOS), nil
case "illumos", "solaris":
_, err := ipForwardingEnabledSunOS(ipv4, "")
if err != nil {
return nil, fmt.Errorf("Couldn't check system's IP forwarding configuration, subnet routing/exit nodes may not work: %w%s", err, "")
}
}
return nil, nil
}
@@ -325,3 +330,24 @@ func reversePathFilterValueLinux(iface string) (int, error) {
}
return v, nil
}
func ipForwardingEnabledSunOS(p protocol, iface string) (bool, error) {
var proto string
if p == ipv4 {
proto = "ipv4"
} else if p == ipv6 {
proto = "ipv6"
} else {
return false, fmt.Errorf("unknown protocol")
}
ipadmCmd := "\"ipadm show-prop " + proto + " -p forwarding -o CURRENT -c\""
bs, err := exec.Command("ipadm", "show-prop", proto, "-p", "forwarding", "-o", "CURRENT", "-c").Output()
if err != nil {
return false, fmt.Errorf("couldn't check %s (%v).\nSubnet routes won't work without IP forwarding.", ipadmCmd, err)
}
if string(bs) != "on\n" {
return false, fmt.Errorf("IP forwarding is set to off. Subnet routes won't work. Try 'routeadm -u -e %s-forwarding'", proto)
}
return true, nil
}