#include <linux/fs.h>
#include <linux/namei.h>
#include <linux/posix_acl.h>
+#include <linux/mnt_idmapping.h>
#include "mgmt/tree_connect.h"
int parse_sec_desc(struct user_namespace *user_ns, struct smb_ntsd *pntsd,
int acl_len, struct smb_fattr *fattr);
int build_sec_desc(struct user_namespace *user_ns, struct smb_ntsd *pntsd,
- struct smb_ntsd *ppntsd, int addition_info,
+ struct smb_ntsd *ppntsd, int ppntsd_size, int addition_info,
__u32 *secdesclen, struct smb_fattr *fattr);
int init_acl_state(struct posix_acl_state *state, int cnt);
void free_acl_state(struct posix_acl_state *state);
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 = mapped_kuid_fs(mnt_userns, &init_user_ns, 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 = mapped_kgid_fs(mnt_userns, &init_user_ns, pace->e_gid);
+
+ /* Translate the kgid into a userspace id ksmbd would see. */
+ return from_kgid(&init_user_ns, kgid);
+}
+
#endif /* _SMBACL_H */