diff options
Diffstat (limited to 'fs/smb/server/mgmt/share_config.h')
-rw-r--r-- | fs/smb/server/mgmt/share_config.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/fs/smb/server/mgmt/share_config.h b/fs/smb/server/mgmt/share_config.h new file mode 100644 index 000000000..5f591751b --- /dev/null +++ b/fs/smb/server/mgmt/share_config.h @@ -0,0 +1,75 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2018 Samsung Electronics Co., Ltd. + */ + +#ifndef __SHARE_CONFIG_MANAGEMENT_H__ +#define __SHARE_CONFIG_MANAGEMENT_H__ + +#include <linux/workqueue.h> +#include <linux/hashtable.h> +#include <linux/path.h> +#include <linux/unicode.h> + +struct ksmbd_share_config { + char *name; + char *path; + + unsigned int path_sz; + unsigned int flags; + struct list_head veto_list; + + struct path vfs_path; + + atomic_t refcount; + struct hlist_node hlist; + unsigned short create_mask; + unsigned short directory_mask; + unsigned short force_create_mode; + unsigned short force_directory_mode; + unsigned short force_uid; + unsigned short force_gid; +}; + +#define KSMBD_SHARE_INVALID_UID ((__u16)-1) +#define KSMBD_SHARE_INVALID_GID ((__u16)-1) + +static inline umode_t +share_config_create_mode(struct ksmbd_share_config *share, + umode_t posix_mode) +{ + umode_t mode = (posix_mode ?: (umode_t)-1) & share->create_mask; + + return mode | share->force_create_mode; +} + +static inline umode_t +share_config_directory_mode(struct ksmbd_share_config *share, + umode_t posix_mode) +{ + umode_t mode = (posix_mode ?: (umode_t)-1) & share->directory_mask; + + return mode | share->force_directory_mode; +} + +static inline int test_share_config_flag(struct ksmbd_share_config *share, + int flag) +{ + return share->flags & flag; +} + +void ksmbd_share_config_del(struct ksmbd_share_config *share); +void __ksmbd_share_config_put(struct ksmbd_share_config *share); + +static inline void ksmbd_share_config_put(struct ksmbd_share_config *share) +{ + if (!atomic_dec_and_test(&share->refcount)) + return; + __ksmbd_share_config_put(share); +} + +struct ksmbd_share_config *ksmbd_share_config_get(struct unicode_map *um, + const char *name); +bool ksmbd_share_veto_filename(struct ksmbd_share_config *share, + const char *filename); +#endif /* __SHARE_CONFIG_MANAGEMENT_H__ */ |