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65656f5242
`force create mode' and `force directory mode' should be bitwise ORed with the perms after `create mask' and `directory mask' have been applied, respectively. Signed-off-by: Atte Heikkilä <atteh.mailbox@gmail.com> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2018 Samsung Electronics Co., Ltd.
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*/
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#ifndef __SHARE_CONFIG_MANAGEMENT_H__
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#define __SHARE_CONFIG_MANAGEMENT_H__
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#include <linux/workqueue.h>
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#include <linux/hashtable.h>
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#include <linux/path.h>
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#include <linux/unicode.h>
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struct ksmbd_share_config {
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char *name;
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char *path;
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unsigned int path_sz;
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unsigned int flags;
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struct list_head veto_list;
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struct path vfs_path;
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atomic_t refcount;
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struct hlist_node hlist;
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unsigned short create_mask;
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unsigned short directory_mask;
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unsigned short force_create_mode;
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unsigned short force_directory_mode;
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unsigned short force_uid;
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unsigned short force_gid;
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};
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#define KSMBD_SHARE_INVALID_UID ((__u16)-1)
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#define KSMBD_SHARE_INVALID_GID ((__u16)-1)
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static inline umode_t
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share_config_create_mode(struct ksmbd_share_config *share,
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umode_t posix_mode)
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{
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umode_t mode = (posix_mode ?: (umode_t)-1) & share->create_mask;
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return mode | share->force_create_mode;
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}
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static inline umode_t
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share_config_directory_mode(struct ksmbd_share_config *share,
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umode_t posix_mode)
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{
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umode_t mode = (posix_mode ?: (umode_t)-1) & share->directory_mask;
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return mode | share->force_directory_mode;
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}
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static inline int test_share_config_flag(struct ksmbd_share_config *share,
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int flag)
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{
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return share->flags & flag;
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}
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void ksmbd_share_config_del(struct ksmbd_share_config *share);
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void __ksmbd_share_config_put(struct ksmbd_share_config *share);
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static inline void ksmbd_share_config_put(struct ksmbd_share_config *share)
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{
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if (!atomic_dec_and_test(&share->refcount))
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return;
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__ksmbd_share_config_put(share);
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}
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struct ksmbd_share_config *ksmbd_share_config_get(struct unicode_map *um,
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const char *name);
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bool ksmbd_share_veto_filename(struct ksmbd_share_config *share,
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const char *filename);
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#endif /* __SHARE_CONFIG_MANAGEMENT_H__ */
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