fuse_users.h
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上传日期:2018-01-08
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- /**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- #ifndef __FUSE_USERS_H__
- #define __FUSE_USERS_H__
- #include <grp.h>
- #include <pwd.h>
- #include <pthread.h>
- /**
- * Overall Note:
- * 1. all these functions should be thread safe.
- * 2. the ones that return char * or char **, generally require
- * the caller to free the return value.
- *
- */
- /**
- * Utility for getting the user making the fuse call in char * form
- * NOTE: if non-null return, the return must be freed by the caller.
- */
- char *getUsername(uid_t uid);
- /**
- * Cleans up a char ** group pointer
- */
- void freeGroups(char **groups, int numgroups);
- /**
- * Lookup single group. Caller responsible for free of the return value
- */
- char *getGroup(gid_t gid);
- /**
- * Utility for getting the group from the uid
- * NOTE: if non-null return, the return must be freed by the caller.
- */
- char *getGroupUid(uid_t uid) ;
- /**
- * lookup the gid based on the uid
- */
- gid_t getGidUid(uid_t uid);
- /**
- * Utility for getting the groups for the user making the fuse call in char * form
- */
- char ** getGroups(uid_t uid, int *num_groups);
- #endif