Re: [libvirt] [PATCH 19/53] vircgroup: introduce virCgroupV2SetOwner

Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com&gt; --- 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, };