diff options
Diffstat (limited to 'fs/ksmbd/smbacl.h')
| -rw-r--r-- | fs/ksmbd/smbacl.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/ksmbd/smbacl.h b/fs/ksmbd/smbacl.h index 940f686a1d95..73e08cad412b 100644 --- a/fs/ksmbd/smbacl.h +++ b/fs/ksmbd/smbacl.h @@ -209,4 +209,29 @@ int set_info_sec(struct ksmbd_conn *conn, struct ksmbd_tree_connect *tcon, bool type_check); void id_to_sid(unsigned int cid, uint sidtype, struct smb_sid *ssid); void ksmbd_init_domain(u32 *sub_auth); + +static inline uid_t posix_acl_uid_translate(struct user_namespace *mnt_userns, + struct posix_acl_entry *pace) +{ + kuid_t kuid; + + /* If this is an idmapped mount, apply the idmapping. */ + kuid = kuid_into_mnt(mnt_userns, pace->e_uid); + + /* Translate the kuid into a userspace id ksmbd would see. */ + return from_kuid(&init_user_ns, kuid); +} + +static inline gid_t posix_acl_gid_translate(struct user_namespace *mnt_userns, + struct posix_acl_entry *pace) +{ + kgid_t kgid; + + /* If this is an idmapped mount, apply the idmapping. */ + kgid = kgid_into_mnt(mnt_userns, pace->e_gid); + + /* Translate the kgid into a userspace id ksmbd would see. */ + return from_kgid(&init_user_ns, kgid); +} + #endif /* _SMBACL_H */ |