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-rw-r--r--libpod/container_internal_linux.go76
1 files changed, 75 insertions, 1 deletions
diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go
index ddfccb999..c127cd3e6 100644
--- a/libpod/container_internal_linux.go
+++ b/libpod/container_internal_linux.go
@@ -1816,7 +1816,7 @@ func (c *Container) getHosts() string {
if c.Hostname() != "" {
if c.config.NetMode.IsSlirp4netns() {
// When using slirp4netns, the interface gets a static IP
- slirp4netnsIP, err := GetSlirp4netnsGateway(c.slirp4netnsSubnet)
+ slirp4netnsIP, err := GetSlirp4netnsIP(c.slirp4netnsSubnet)
if err != nil {
logrus.Warn("failed to determine slirp4netnsIP: ", err.Error())
} else {
@@ -2426,3 +2426,77 @@ func (c *Container) createSecretMountDir() error {
return err
}
+
+// Fix ownership and permissions of the specified volume if necessary.
+func (c *Container) fixVolumePermissions(v *ContainerNamedVolume) error {
+ vol, err := c.runtime.state.Volume(v.Name)
+ if err != nil {
+ return errors.Wrapf(err, "error retrieving named volume %s for container %s", v.Name, c.ID())
+ }
+
+ vol.lock.Lock()
+ defer vol.lock.Unlock()
+
+ // The volume may need a copy-up. Check the state.
+ if err := vol.update(); err != nil {
+ return err
+ }
+
+ // TODO: For now, I've disabled chowning volumes owned by non-Podman
+ // drivers. This may be safe, but it's really going to be a case-by-case
+ // thing, I think - safest to leave disabled now and re-enable later if
+ // there is a demand.
+ if vol.state.NeedsChown && !vol.UsesVolumeDriver() {
+ vol.state.NeedsChown = false
+
+ uid := int(c.config.Spec.Process.User.UID)
+ gid := int(c.config.Spec.Process.User.GID)
+
+ if c.config.IDMappings.UIDMap != nil {
+ p := idtools.IDPair{
+ UID: uid,
+ GID: gid,
+ }
+ mappings := idtools.NewIDMappingsFromMaps(c.config.IDMappings.UIDMap, c.config.IDMappings.GIDMap)
+ newPair, err := mappings.ToHost(p)
+ if err != nil {
+ return errors.Wrapf(err, "error mapping user %d:%d", uid, gid)
+ }
+ uid = newPair.UID
+ gid = newPair.GID
+ }
+
+ vol.state.UIDChowned = uid
+ vol.state.GIDChowned = gid
+
+ if err := vol.save(); err != nil {
+ return err
+ }
+
+ mountPoint, err := vol.MountPoint()
+ if err != nil {
+ return err
+ }
+
+ if err := os.Lchown(mountPoint, uid, gid); err != nil {
+ return err
+ }
+
+ // Make sure the new volume matches the permissions of the target directory.
+ // https://github.com/containers/podman/issues/10188
+ st, err := os.Lstat(filepath.Join(c.state.Mountpoint, v.Dest))
+ if err == nil {
+ if err := os.Chmod(mountPoint, st.Mode()|0111); err != nil {
+ return err
+ }
+ stat := st.Sys().(*syscall.Stat_t)
+ atime := time.Unix(int64(stat.Atim.Sec), int64(stat.Atim.Nsec))
+ if err := os.Chtimes(mountPoint, atime, st.ModTime()); err != nil {
+ return err
+ }
+ } else if !os.IsNotExist(err) {
+ return err
+ }
+ }
+ return nil
+}