[libvirt] [PATCH 19/53] vircgroup: introduce virCgroupV2SetOwner
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
src/util/vircgroupv2.c | 52 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
index e30f438015..fec5d28835 100644
--- a/src/util/vircgroupv2.c
+++ b/src/util/vircgroupv2.c
@@ -495,6 +495,57 @@ virCgroupV2BindMount(virCgroupPtr group,
}
+static int
+virCgroupV2SetOwner(virCgroupPtr cgroup,
+ uid_t uid,
+ gid_t gid,
+ int controllers ATTRIBUTE_UNUSED)
+{
+ int ret = -1;
+ VIR_AUTOFREE(char *) base = NULL;
+ DIR *dh = NULL;
+ int direrr;
+
+ struct dirent *de;
+
+ if (virAsprintf(&base, "%s%s", cgroup->unified.mountPoint,
+ cgroup->unified.placement) < 0) {
+ goto cleanup;
+ }
+
+ if (virDirOpen(&dh, base) < 0)
+ goto cleanup;
+
+ while ((direrr = virDirRead(dh, &de, base)) > 0) {
+ VIR_AUTOFREE(char *) entry = NULL;
+
+ if (virAsprintf(&entry, "%s/%s", base, de->d_name) < 0)
+ goto cleanup;
+
+ if (chown(entry, uid, gid) < 0) {
+ virReportSystemError(errno, _("cannot chown '%s' to (%u,
%u)"),
+ entry, uid, gid);
+ goto cleanup;
+ }
+ }
+
+ if (direrr < 0)
+ goto cleanup;
+
+ if (chown(base, uid, gid) < 0) {
+ virReportSystemError(errno, _("cannot chown '%s' to (%u,
%u)"),
+ base, uid, gid);
+ goto cleanup;
+ }
+
+ ret = 0;
+
+ cleanup:
+ VIR_DIR_CLOSE(dh);
+ return ret;
+}
+
+
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
@@ -515,6 +566,7 @@ virCgroupBackend virCgroupV2Backend = {
.addTask = virCgroupV2AddTask,
.hasEmptyTasks = virCgroupV2HasEmptyTasks,
.bindMount = virCgroupV2BindMount,
+ .setOwner = virCgroupV2SetOwner,
};
--
2.17.1