enable podman-remote on windows

build a podman-remote binary for windows that allows users to use the
remote client on windows and interact with podman on linux system.

Signed-off-by: baude <bbaude@redhat.com>

1 files changed, 60 insertions, 0 deletions

diff --git a/pkg/util/utils_supported.go b/pkg/util/utils_supported.go
new file mode 100644
index 000000000..af5e67fc1
--- /dev/null
+++ b/pkg/util/utils_supported.go
@@ -0,0 +1,60 @@
+// +build linux darwin
+
+package util
+
+// TODO once rootless function is consolidated under libpod, we
+//  should work to take darwin from this
+
+import (
+	"fmt"
+	"github.com/containers/libpod/pkg/rootless"
+	"github.com/pkg/errors"
+	"os"
+	"path/filepath"
+	"syscall"
+)
+
+// GetRootlessRuntimeDir returns the runtime directory when running as non root
+func GetRootlessRuntimeDir() (string, error) {
+	var rootlessRuntimeDirError error
+
+	rootlessRuntimeDirOnce.Do(func() {
+		runtimeDir := os.Getenv("XDG_RUNTIME_DIR")
+		uid := fmt.Sprintf("%d", rootless.GetRootlessUID())
+		if runtimeDir == "" {
+			tmpDir := filepath.Join("/run", "user", uid)
+			os.MkdirAll(tmpDir, 0700)
+			st, err := os.Stat(tmpDir)
+			if err == nil && int(st.Sys().(*syscall.Stat_t).Uid) == os.Geteuid() && st.Mode().Perm() == 0700 {
+				runtimeDir = tmpDir
+			}
+		}
+		if runtimeDir == "" {
+			tmpDir := filepath.Join(os.TempDir(), fmt.Sprintf("run-%s", uid))
+			os.MkdirAll(tmpDir, 0700)
+			st, err := os.Stat(tmpDir)
+			if err == nil && int(st.Sys().(*syscall.Stat_t).Uid) == os.Geteuid() && st.Mode().Perm() == 0700 {
+				runtimeDir = tmpDir
+			}
+		}
+		if runtimeDir == "" {
+			home := os.Getenv("HOME")
+			if home == "" {
+				rootlessRuntimeDirError = fmt.Errorf("neither XDG_RUNTIME_DIR nor HOME was set non-empty")
+				return
+			}
+			resolvedHome, err := filepath.EvalSymlinks(home)
+			if err != nil {
+				rootlessRuntimeDirError = errors.Wrapf(err, "cannot resolve %s", home)
+				return
+			}
+			runtimeDir = filepath.Join(resolvedHome, "rundir")
+		}
+		rootlessRuntimeDir = runtimeDir
+	})
+
+	if rootlessRuntimeDirError != nil {
+		return "", rootlessRuntimeDirError
+	}
+	return rootlessRuntimeDir, nil
+}