Initial implementation of mac forwarding using a privileged docker sock claim helper

Signed-off-by: Jason T. Greene <jason.greene@redhat.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/pkg/machine/qemu/claim_darwin.go b/pkg/machine/qemu/claim_darwin.go
new file mode 100644
index 000000000..66aed9ad8
--- /dev/null
+++ b/pkg/machine/qemu/claim_darwin.go
@@ -0,0 +1,63 @@
+package qemu
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net"
+	"os"
+	"os/user"
+	"path/filepath"
+	"time"
+)
+
+func dockerClaimSupported() bool {
+	return true
+}
+
+func dockerClaimHelperInstalled() bool {
+	u, err := user.Current()
+	if err != nil {
+		return false
+	}
+
+	labelName := fmt.Sprintf("com.github.containers.podman.helper-%s", u.Username)
+	fileName := filepath.Join("/Library", "LaunchDaemons", labelName+".plist")
+	info, err := os.Stat(fileName)
+	return err == nil && info.Mode().IsRegular()
+}
+
+func claimDockerSock() bool {
+	u, err := user.Current()
+	if err != nil {
+		return false
+	}
+
+	helperSock := fmt.Sprintf("/var/run/podman-helper-%s.socket", u.Username)
+	con, err := net.DialTimeout("unix", helperSock, time.Second*5)
+	if err != nil {
+		return false
+	}
+	_ = con.SetWriteDeadline(time.Now().Add(time.Second * 5))
+	_, err = fmt.Fprintln(con, "GO")
+	if err != nil {
+		return false
+	}
+	_ = con.SetReadDeadline(time.Now().Add(time.Second * 5))
+	read, err := ioutil.ReadAll(con)
+
+	return err == nil && string(read) == "OK"
+}
+
+func findClaimHelper() string {
+	exe, err := os.Executable()
+	if err != nil {
+		return ""
+	}
+
+	exe, err = filepath.EvalSymlinks(exe)
+	if err != nil {
+		return ""
+	}
+
+	return filepath.Join(filepath.Dir(exe), "podman-mac-helper")
+}