[libvirt] [PATCH] util: Use current uid and gid if they are passed as -1 for virDirCreate
All the callers of virDirCreate are updated incidentally.
---
src/storage/storage_backend_fs.c | 23 ++++++-----------------
src/util/util.c | 6 ++++++
2 files changed, 12 insertions(+), 17 deletions(-)
diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c
index bde4528..233e001 100644
--- a/src/storage/storage_backend_fs.c
+++ b/src/storage/storage_backend_fs.c
@@ -789,17 +789,10 @@ virStorageBackendFileSystemBuild(virConnectPtr conn
ATTRIBUTE_UNUSED,
/* Now create the final dir in the path with the uid/gid/mode
* requested in the config. If the dir already exists, just set
* the perms. */
- uid_t uid;
- gid_t gid;
-
- uid = (pool->def->target.perms.uid == (uid_t) -1)
- ? getuid() : pool->def->target.perms.uid;
- gid = (pool->def->target.perms.gid == (gid_t) -1)
- ? getgid() : pool->def->target.perms.gid;
-
if ((err = virDirCreate(pool->def->target.path,
pool->def->target.perms.mode,
- uid, gid,
+ pool->def->target.perms.uid,
+ pool->def->target.perms.gid,
VIR_DIR_CREATE_FORCE_PERMS |
VIR_DIR_CREATE_ALLOW_EXIST |
(pool->def->type == VIR_STORAGE_POOL_NETFS
@@ -811,9 +804,9 @@ virStorageBackendFileSystemBuild(virConnectPtr conn ATTRIBUTE_UNUSED,
/* Reflect the actual uid and gid to the config. */
if (pool->def->target.perms.uid == (uid_t) -1)
- pool->def->target.perms.uid = uid;
+ pool->def->target.perms.uid = getuid();
if (pool->def->target.perms.gid == (gid_t) -1)
- pool->def->target.perms.gid = gid;
+ pool->def->target.perms.gid = getgid();
if (flags != 0) {
ret = virStorageBackendMakeFileSystem(pool, flags);
@@ -1053,13 +1046,9 @@ static int createFileDir(virConnectPtr conn ATTRIBUTE_UNUSED,
return -1;
}
- uid_t uid = (vol->target.perms.uid == -1)
- ? getuid() : vol->target.perms.uid;
- gid_t gid = (vol->target.perms.gid == -1)
- ? getgid() : vol->target.perms.gid;
-
if ((err = virDirCreate(vol->target.path, vol->target.perms.mode,
- uid, gid,
+ vol->target.perms.uid,
+ vol->target.perms.gid,
VIR_DIR_CREATE_FORCE_PERMS |
(pool->def->type == VIR_STORAGE_POOL_NETFS
? VIR_DIR_CREATE_AS_UID : 0))) < 0) {
diff --git a/src/util/util.c b/src/util/util.c
index ce98d20..aec5512 100644
--- a/src/util/util.c
+++ b/src/util/util.c
@@ -1123,6 +1123,12 @@ int virDirCreate(const char *path, mode_t mode,
int waitret;
int status, ret = 0;
+ /* allow using -1 to mean "current value" */
+ if (uid == (uid_t) -1)
+ uid = getuid();
+ if (gid == (gid_t) -1)
+ gid = getgid();
+
if ((!(flags & VIR_DIR_CREATE_AS_UID))
|| (getuid() != 0)
|| ((uid == 0) && (gid == 0))
--
1.7.7.3