diff options
Diffstat (limited to 'pkg/util/utils_supported.go')
-rw-r--r-- | pkg/util/utils_supported.go | 60 |
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 +} |