VFS: Add SMB_VFS_FNTIMES
[samba.git] / examples / VFS / skel_opaque.c
index ae0d4dc2b621da26fde90389a06429867ec6c2ce..a8deb8a6da622bcb797c900deb23fb2a95a02d37 100644 (file)
@@ -22,6 +22,7 @@
  */
 
 #include "../source3/include/includes.h"
+#include "lib/util/tevent_unix.h"
 #include "lib/util/tevent_ntstatus.h"
 
 /* PLEASE,PLEASE READ THE VFS MODULES CHAPTER OF THE 
@@ -44,9 +45,11 @@ static void skel_disconnect(vfs_handle_struct *handle)
        ;
 }
 
-static uint64_t skel_disk_free(vfs_handle_struct *handle, const char *path,
-                              uint64_t *bsize,
-                              uint64_t *dfree, uint64_t *dsize)
+static uint64_t skel_disk_free(vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               uint64_t *bsize,
+                               uint64_t *dfree,
+                               uint64_t *dsize)
 {
        *bsize = 0;
        *dfree = 0;
@@ -54,9 +57,11 @@ static uint64_t skel_disk_free(vfs_handle_struct *handle, const char *path,
        return 0;
 }
 
-static int skel_get_quota(vfs_handle_struct *handle, const char *path,
-                         enum SMB_QUOTA_TYPE qtype, unid_t id,
-                         SMB_DISK_QUOTA *dq)
+static int skel_get_quota(vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               enum SMB_QUOTA_TYPE qtype,
+                               unid_t id,
+                               SMB_DISK_QUOTA *dq)
 {
        errno = ENOSYS;
        return -1;
@@ -79,7 +84,8 @@ static int skel_get_shadow_copy_data(vfs_handle_struct *handle,
 }
 
 static int skel_statvfs(struct vfs_handle_struct *handle,
-                       const char *path, struct vfs_statvfs_struct *statbuf)
+                               const struct smb_filename *smb_fname,
+                               struct vfs_statvfs_struct *statbuf)
 {
        errno = ENOSYS;
        return -1;
@@ -97,12 +103,23 @@ static NTSTATUS skel_get_dfs_referrals(struct vfs_handle_struct *handle,
        return NT_STATUS_NOT_IMPLEMENTED;
 }
 
-static DIR *skel_opendir(vfs_handle_struct *handle,
-                       const struct smb_filename *smb_fname,
-                       const char *mask,
-                       uint32_t attr)
+static NTSTATUS skel_create_dfs_pathat(struct vfs_handle_struct *handle,
+                               struct files_struct *dirfsp,
+                               const struct smb_filename *smb_fname,
+                               const struct referral *reflist,
+                               size_t referral_count)
 {
-       return NULL;
+       return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS skel_read_dfs_pathat(struct vfs_handle_struct *handle,
+                               TALLOC_CTX *mem_ctx,
+                               struct files_struct *dirfsp,
+                               struct smb_filename *smb_fname,
+                               struct referral **ppreflist,
+                               size_t *preferral_count)
+{
+       return NT_STATUS_NOT_IMPLEMENTED;
 }
 
 static NTSTATUS skel_snap_check_path(struct vfs_handle_struct *handle,
@@ -139,7 +156,9 @@ static DIR *skel_fdopendir(vfs_handle_struct *handle, files_struct *fsp,
 }
 
 static struct dirent *skel_readdir(vfs_handle_struct *handle,
-                                  DIR *dirp, SMB_STRUCT_STAT *sbuf)
+                                  struct files_struct *dirfsp,
+                                  DIR *dirp,
+                                  SMB_STRUCT_STAT *sbuf)
 {
        return NULL;
 }
@@ -159,7 +178,8 @@ static void skel_rewind_dir(vfs_handle_struct *handle, DIR *dirp)
        ;
 }
 
-static int skel_mkdir(vfs_handle_struct *handle,
+static int skel_mkdirat(vfs_handle_struct *handle,
+               struct files_struct *dirfsp,
                const struct smb_filename *smb_fname,
                mode_t mode)
 {
@@ -167,26 +187,18 @@ static int skel_mkdir(vfs_handle_struct *handle,
        return -1;
 }
 
-static int skel_rmdir(vfs_handle_struct *handle,
-               const struct smb_filename *smb_fname)
-{
-       errno = ENOSYS;
-       return -1;
-}
-
 static int skel_closedir(vfs_handle_struct *handle, DIR *dir)
 {
        errno = ENOSYS;
        return -1;
 }
 
-static void skel_init_search_op(struct vfs_handle_struct *handle, DIR *dirp)
-{
-       ;
-}
-
-static int skel_open(vfs_handle_struct *handle, struct smb_filename *smb_fname,
-                    files_struct *fsp, int flags, mode_t mode)
+static int skel_openat(struct vfs_handle_struct *handle,
+                      const struct files_struct *dirfsp,
+                      const struct smb_filename *smb_fname,
+                      struct files_struct *fsp,
+                      int flags,
+                      mode_t mode)
 {
        errno = ENOSYS;
        return -1;
@@ -194,7 +206,6 @@ static int skel_open(vfs_handle_struct *handle, struct smb_filename *smb_fname,
 
 static NTSTATUS skel_create_file(struct vfs_handle_struct *handle,
                                 struct smb_request *req,
-                                uint16_t root_dir_fid,
                                 struct smb_filename *smb_fname,
                                 uint32_t access_mask,
                                 uint32_t share_access,
@@ -202,7 +213,7 @@ static NTSTATUS skel_create_file(struct vfs_handle_struct *handle,
                                 uint32_t create_options,
                                 uint32_t file_attributes,
                                 uint32_t oplock_request,
-                                struct smb2_lease *lease,
+                                const struct smb2_lease *lease,
                                 uint64_t allocation_size,
                                 uint32_t private_flags,
                                 struct security_descriptor *sd,
@@ -220,13 +231,6 @@ static int skel_close_fn(vfs_handle_struct *handle, files_struct *fsp)
        return -1;
 }
 
-static ssize_t skel_vfs_read(vfs_handle_struct *handle, files_struct *fsp,
-                            void *data, size_t n)
-{
-       errno = ENOSYS;
-       return -1;
-}
-
 static ssize_t skel_pread(vfs_handle_struct *handle, files_struct *fsp,
                          void *data, size_t n, off_t offset)
 {
@@ -250,13 +254,6 @@ static ssize_t skel_pread_recv(struct tevent_req *req,
        return -1;
 }
 
-static ssize_t skel_write(vfs_handle_struct *handle, files_struct *fsp,
-                         const void *data, size_t n)
-{
-       errno = ENOSYS;
-       return -1;
-}
-
 static ssize_t skel_pwrite(vfs_handle_struct *handle, files_struct *fsp,
                           const void *data, size_t n, off_t offset)
 {
@@ -303,20 +300,16 @@ static ssize_t skel_recvfile(vfs_handle_struct *handle, int fromfd,
        return -1;
 }
 
-static int skel_rename(vfs_handle_struct *handle,
+static int skel_renameat(vfs_handle_struct *handle,
+                      files_struct *srcfsp,
                       const struct smb_filename *smb_fname_src,
+                      files_struct *dstfsp,
                       const struct smb_filename *smb_fname_dst)
 {
        errno = ENOSYS;
        return -1;
 }
 
-static int skel_fsync(vfs_handle_struct *handle, files_struct *fsp)
-{
-       errno = ENOSYS;
-       return -1;
-}
-
 static struct tevent_req *skel_fsync_send(struct vfs_handle_struct *handle,
                                          TALLOC_CTX *mem_ctx,
                                          struct tevent_context *ev,
@@ -360,16 +353,10 @@ static uint64_t skel_get_alloc_size(struct vfs_handle_struct *handle,
        return -1;
 }
 
-static int skel_unlink(vfs_handle_struct *handle,
-                      const struct smb_filename *smb_fname)
-{
-       errno = ENOSYS;
-       return -1;
-}
-
-static int skel_chmod(vfs_handle_struct *handle,
+static int skel_unlinkat(vfs_handle_struct *handle,
+                       struct files_struct *dirfsp,
                        const struct smb_filename *smb_fname,
-                       mode_t mode)
+                       int flags)
 {
        errno = ENOSYS;
        return -1;
@@ -382,15 +369,6 @@ static int skel_fchmod(vfs_handle_struct *handle, files_struct *fsp,
        return -1;
 }
 
-static int skel_chown(vfs_handle_struct *handle,
-                       const struct smb_filename *smb_fname,
-                       uid_t uid,
-                       gid_t gid)
-{
-       errno = ENOSYS;
-       return -1;
-}
-
 static int skel_fchown(vfs_handle_struct *handle, files_struct *fsp,
                       uid_t uid, gid_t gid)
 {
@@ -407,13 +385,15 @@ static int skel_lchown(vfs_handle_struct *handle,
        return -1;
 }
 
-static int skel_chdir(vfs_handle_struct *handle, const char *path)
+static int skel_chdir(vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname)
 {
        errno = ENOSYS;
        return -1;
 }
 
-static char *skel_getwd(vfs_handle_struct *handle)
+static struct smb_filename *skel_getwd(vfs_handle_struct *handle,
+                               TALLOC_CTX *ctx)
 {
        errno = ENOSYS;
        return NULL;
@@ -427,6 +407,14 @@ static int skel_ntimes(vfs_handle_struct *handle,
        return -1;
 }
 
+static int skel_fntimes(vfs_handle_struct *handle,
+                       files_struct *fsp,
+                       struct smb_file_time *ft)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
 static int skel_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
                          off_t offset)
 {
@@ -456,6 +444,13 @@ static int skel_kernel_flock(struct vfs_handle_struct *handle,
        return -1;
 }
 
+static int skel_fcntl(struct vfs_handle_struct *handle,
+                     struct files_struct *fsp, int cmd, va_list cmd_arg)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
 static int skel_linux_setlease(struct vfs_handle_struct *handle,
                               struct files_struct *fsp, int leasetype)
 {
@@ -471,28 +466,38 @@ static bool skel_getlock(vfs_handle_struct *handle, files_struct *fsp,
        return false;
 }
 
-static int skel_symlink(vfs_handle_struct *handle, const char *oldpath,
-                       const char *newpath)
+static int skel_symlinkat(vfs_handle_struct *handle,
+                       const struct smb_filename *link_contents,
+                       struct files_struct *dirfsp,
+                       const struct smb_filename *new_smb_fname)
 {
        errno = ENOSYS;
        return -1;
 }
 
-static int skel_vfs_readlink(vfs_handle_struct *handle, const char *path,
-                            char *buf, size_t bufsiz)
+static int skel_vfs_readlinkat(vfs_handle_struct *handle,
+                       const struct files_struct *dirfsp,
+                       const struct smb_filename *smb_fname,
+                       char *buf,
+                       size_t bufsiz)
 {
        errno = ENOSYS;
        return -1;
 }
 
-static int skel_link(vfs_handle_struct *handle, const char *oldpath,
-                    const char *newpath)
+static int skel_linkat(vfs_handle_struct *handle,
+                       files_struct *srcfsp,
+                       const struct smb_filename *old_smb_fname,
+                       files_struct *dstfsp,
+                       const struct smb_filename *new_smb_fname,
+                       int flags)
 {
        errno = ENOSYS;
        return -1;
 }
 
-static int skel_mknod(vfs_handle_struct *handle,
+static int skel_mknodat(vfs_handle_struct *handle,
+                       files_struct *dirfsp,
                        const struct smb_filename *smb_fname,
                        mode_t mode,
                        SMB_DEV_T dev)
@@ -501,13 +506,16 @@ static int skel_mknod(vfs_handle_struct *handle,
        return -1;
 }
 
-static char *skel_realpath(vfs_handle_struct *handle, const char *path)
+static struct smb_filename *skel_realpath(vfs_handle_struct *handle,
+                       TALLOC_CTX *ctx,
+                       const struct smb_filename *smb_fname)
 {
        errno = ENOSYS;
        return NULL;
 }
 
-static int skel_chflags(vfs_handle_struct *handle, const char *path,
+static int skel_chflags(vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname,
                        uint flags)
 {
        errno = ENOSYS;
@@ -523,18 +531,67 @@ static struct file_id skel_file_id_create(vfs_handle_struct *handle,
        return id;
 }
 
+static uint64_t skel_fs_file_id(vfs_handle_struct *handle,
+                               const SMB_STRUCT_STAT *sbuf)
+{
+       errno = ENOSYS;
+       return 0;
+}
+
+struct skel_offload_read_state {
+       bool dummy;
+};
+
+static struct tevent_req *skel_offload_read_send(
+       TALLOC_CTX *mem_ctx,
+       struct tevent_context *ev,
+       struct vfs_handle_struct *handle,
+       struct files_struct *fsp,
+       uint32_t fsctl,
+       uint32_t ttl,
+       off_t offset,
+       size_t to_copy)
+{
+       struct tevent_req *req = NULL;
+       struct skel_offload_read_state *state = NULL;
+
+       req = tevent_req_create(mem_ctx, &state, struct skel_offload_read_state);
+       if (req == NULL) {
+               return NULL;
+       }
+
+       tevent_req_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
+       return tevent_req_post(req, ev);
+}
+
+static NTSTATUS skel_offload_read_recv(struct tevent_req *req,
+                                      struct vfs_handle_struct *handle,
+                                      TALLOC_CTX *mem_ctx,
+                                      DATA_BLOB *_token_blob)
+{
+       NTSTATUS status;
+
+       if (tevent_req_is_nterror(req, &status)) {
+               tevent_req_received(req);
+               return status;
+       }
+       tevent_req_received(req);
+
+       return NT_STATUS_OK;
+}
+
 struct skel_cc_state {
        uint64_t unused;
 };
-static struct tevent_req *skel_copy_chunk_send(struct vfs_handle_struct *handle,
+static struct tevent_req *skel_offload_write_send(struct vfs_handle_struct *handle,
                                               TALLOC_CTX *mem_ctx,
                                               struct tevent_context *ev,
-                                              struct files_struct *src_fsp,
-                                              off_t src_off,
+                                              uint32_t fsctl,
+                                              DATA_BLOB *token,
+                                              off_t transfer_offset,
                                               struct files_struct *dest_fsp,
                                               off_t dest_off,
-                                              off_t num,
-                                              uint32_t flags)
+                                              off_t num)
 {
        struct tevent_req *req;
        struct skel_cc_state *cc_state;
@@ -548,7 +605,7 @@ static struct tevent_req *skel_copy_chunk_send(struct vfs_handle_struct *handle,
        return tevent_req_post(req, ev);
 }
 
-static NTSTATUS skel_copy_chunk_recv(struct vfs_handle_struct *handle,
+static NTSTATUS skel_offload_write_recv(struct vfs_handle_struct *handle,
                                     struct tevent_req *req,
                                     off_t *copied)
 {
@@ -563,10 +620,9 @@ static NTSTATUS skel_copy_chunk_recv(struct vfs_handle_struct *handle,
        return NT_STATUS_OK;
 }
 
-static NTSTATUS skel_get_compression(struct vfs_handle_struct *handle,
+static NTSTATUS skel_fget_compression(struct vfs_handle_struct *handle,
                                     TALLOC_CTX *mem_ctx,
                                     struct files_struct *fsp,
-                                    struct smb_filename *smb_fname,
                                     uint16_t *_compression_fmt)
 {
        return NT_STATUS_INVALID_DEVICE_REQUEST;
@@ -591,7 +647,7 @@ static NTSTATUS skel_streaminfo(struct vfs_handle_struct *handle,
 }
 
 static int skel_get_real_filename(struct vfs_handle_struct *handle,
-                                 const char *path,
+                                 const struct smb_filename *path,
                                  const char *name,
                                  TALLOC_CTX *mem_ctx, char **found_name)
 {
@@ -600,7 +656,7 @@ static int skel_get_real_filename(struct vfs_handle_struct *handle,
 }
 
 static const char *skel_connectpath(struct vfs_handle_struct *handle,
-                                   const char *filename)
+                               const struct smb_filename *smb_fname)
 {
        errno = ENOSYS;
        return NULL;
@@ -608,14 +664,12 @@ static const char *skel_connectpath(struct vfs_handle_struct *handle,
 
 static NTSTATUS skel_brl_lock_windows(struct vfs_handle_struct *handle,
                                      struct byte_range_lock *br_lck,
-                                     struct lock_struct *plock,
-                                     bool blocking_lock)
+                                     struct lock_struct *plock)
 {
        return NT_STATUS_NOT_IMPLEMENTED;
 }
 
 static bool skel_brl_unlock_windows(struct vfs_handle_struct *handle,
-                                   struct messaging_context *msg_ctx,
                                    struct byte_range_lock *br_lck,
                                    const struct lock_struct *plock)
 {
@@ -623,29 +677,14 @@ static bool skel_brl_unlock_windows(struct vfs_handle_struct *handle,
        return false;
 }
 
-static bool skel_brl_cancel_windows(struct vfs_handle_struct *handle,
-                                   struct byte_range_lock *br_lck,
-                                   struct lock_struct *plock)
-{
-       errno = ENOSYS;
-       return false;
-}
-
-static bool skel_strict_lock(struct vfs_handle_struct *handle,
-                            struct files_struct *fsp,
-                            struct lock_struct *plock)
+static bool skel_strict_lock_check(struct vfs_handle_struct *handle,
+                                  struct files_struct *fsp,
+                                  struct lock_struct *plock)
 {
        errno = ENOSYS;
        return false;
 }
 
-static void skel_strict_unlock(struct vfs_handle_struct *handle,
-                              struct files_struct *fsp,
-                              struct lock_struct *plock)
-{
-       ;
-}
-
 static NTSTATUS skel_translate_name(struct vfs_handle_struct *handle,
                                    const char *mapped_name,
                                    enum vfs_translate_direction direction,
@@ -675,23 +714,54 @@ static NTSTATUS skel_readdir_attr(struct vfs_handle_struct *handle,
        return NT_STATUS_NOT_IMPLEMENTED;
 }
 
-static NTSTATUS skel_get_dos_attributes(struct vfs_handle_struct *handle,
-                               struct smb_filename *smb_fname,
-                               uint32_t *dosmode)
+struct skel_get_dos_attributes_state {
+       struct vfs_aio_state aio_state;
+       uint32_t dosmode;
+};
+
+static struct tevent_req *skel_get_dos_attributes_send(
+                       TALLOC_CTX *mem_ctx,
+                       struct tevent_context *ev,
+                       struct vfs_handle_struct *handle,
+                       files_struct *dir_fsp,
+                       struct smb_filename *smb_fname)
 {
-       return NT_STATUS_NOT_IMPLEMENTED;
+       struct tevent_req *req = NULL;
+       struct skel_get_dos_attributes_state *state = NULL;
+
+       req = tevent_req_create(mem_ctx, &state,
+                               struct skel_get_dos_attributes_state);
+       if (req == NULL) {
+               return NULL;
+       }
+
+       tevent_req_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
+       return tevent_req_post(req, ev);
 }
 
-static NTSTATUS skel_fget_dos_attributes(struct vfs_handle_struct *handle,
-                               struct files_struct *fsp,
-                               uint32_t *dosmode)
+static NTSTATUS skel_get_dos_attributes_recv(struct tevent_req *req,
+                                            struct vfs_aio_state *aio_state,
+                                            uint32_t *dosmode)
 {
-       return NT_STATUS_NOT_IMPLEMENTED;
+       struct skel_get_dos_attributes_state *state =
+               tevent_req_data(req,
+               struct skel_get_dos_attributes_state);
+       NTSTATUS status;
+
+       if (tevent_req_is_nterror(req, &status)) {
+               tevent_req_received(req);
+               return status;
+       }
+
+       *aio_state = state->aio_state;
+       *dosmode = state->dosmode;
+       tevent_req_received(req);
+       return NT_STATUS_OK;
 }
 
-static NTSTATUS skel_set_dos_attributes(struct vfs_handle_struct *handle,
-                               const struct smb_filename *smb_fname,
-                               uint32_t dosmode)
+static NTSTATUS skel_fget_dos_attributes(struct vfs_handle_struct *handle,
+                               struct files_struct *fsp,
+                               uint32_t *dosmode)
 {
        return NT_STATUS_NOT_IMPLEMENTED;
 }
@@ -711,7 +781,8 @@ static NTSTATUS skel_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
        return NT_STATUS_NOT_IMPLEMENTED;
 }
 
-static NTSTATUS skel_get_nt_acl(vfs_handle_struct *handle,
+static NTSTATUS skel_get_nt_acl_at(vfs_handle_struct *handle,
+                               struct files_struct *dirfsp,
                                const struct smb_filename *smb_fname,
                                uint32_t security_info,
                                TALLOC_CTX *mem_ctx,
@@ -727,21 +798,6 @@ static NTSTATUS skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
        return NT_STATUS_NOT_IMPLEMENTED;
 }
 
-static int skel_chmod_acl(vfs_handle_struct *handle,
-                       const struct smb_filename *smb_fname,
-                       mode_t mode)
-{
-       errno = ENOSYS;
-       return -1;
-}
-
-static int skel_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp,
-                          mode_t mode)
-{
-       errno = ENOSYS;
-       return -1;
-}
-
 static SMB_ACL_T skel_sys_acl_get_file(vfs_handle_struct *handle,
                                       const struct smb_filename *smb_fname,
                                       SMB_ACL_TYPE_T type,
@@ -776,16 +832,9 @@ static int skel_sys_acl_blob_get_fd(vfs_handle_struct *handle,
        return -1;
 }
 
-static int skel_sys_acl_set_file(vfs_handle_struct *handle,
-                               const struct smb_filename *smb_fname,
-                               SMB_ACL_TYPE_T acltype,
-                               SMB_ACL_T theacl)
-{
-       errno = ENOSYS;
-       return -1;
-}
-
-static int skel_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp,
+static int skel_sys_acl_set_fd(vfs_handle_struct *handle,
+                              struct files_struct *fsp,
+                              SMB_ACL_TYPE_T type,
                               SMB_ACL_T theacl)
 {
        errno = ENOSYS;
@@ -809,34 +858,69 @@ static ssize_t skel_getxattr(vfs_handle_struct *handle,
        return -1;
 }
 
-static ssize_t skel_fgetxattr(vfs_handle_struct *handle,
-                             struct files_struct *fsp, const char *name,
-                             void *value, size_t size)
+struct skel_getxattrat_state {
+       struct vfs_aio_state aio_state;
+       ssize_t xattr_size;
+       uint8_t *xattr_value;
+};
+
+static struct tevent_req *skel_getxattrat_send(
+                       TALLOC_CTX *mem_ctx,
+                       struct tevent_context *ev,
+                       struct vfs_handle_struct *handle,
+                       files_struct *dir_fsp,
+                       const struct smb_filename *smb_fname,
+                       const char *xattr_name,
+                       size_t alloc_hint)
 {
-       errno = ENOSYS;
-       return -1;
+       struct tevent_req *req = NULL;
+       struct skel_getxattrat_state *state = NULL;
+
+       req = tevent_req_create(mem_ctx, &state,
+                               struct skel_getxattrat_state);
+       if (req == NULL) {
+               return NULL;
+       }
+
+       tevent_req_error(req, ENOSYS);
+       return tevent_req_post(req, ev);
 }
 
-static ssize_t skel_listxattr(vfs_handle_struct *handle,
-                               const struct smb_filename *smb_fname,
-                               char *list,
-                               size_t size)
+static ssize_t skel_getxattrat_recv(struct tevent_req *req,
+                                   struct vfs_aio_state *aio_state,
+                                   TALLOC_CTX *mem_ctx,
+                                   uint8_t **xattr_value)
 {
-       errno = ENOSYS;
-       return -1;
+       struct skel_getxattrat_state *state = tevent_req_data(
+               req, struct skel_getxattrat_state);
+       ssize_t xattr_size;
+
+       if (tevent_req_is_unix_error(req, &aio_state->error)) {
+               tevent_req_received(req);
+               return -1;
+       }
+
+       *aio_state = state->aio_state;
+       xattr_size = state->xattr_size;
+       if (xattr_value != NULL) {
+               *xattr_value = talloc_move(mem_ctx, &state->xattr_value);
+       }
+
+       tevent_req_received(req);
+       return xattr_size;
 }
 
-static ssize_t skel_flistxattr(vfs_handle_struct *handle,
-                              struct files_struct *fsp, char *list,
-                              size_t size)
+static ssize_t skel_fgetxattr(vfs_handle_struct *handle,
+                             struct files_struct *fsp, const char *name,
+                             void *value, size_t size)
 {
        errno = ENOSYS;
        return -1;
 }
 
-static int skel_removexattr(vfs_handle_struct *handle,
-                       const struct smb_filename *smb_fname,
-                       const char *name)
+static ssize_t skel_flistxattr(vfs_handle_struct *handle,
+                              struct files_struct *fsp, char *list,
+                              size_t size)
 {
        errno = ENOSYS;
        return -1;
@@ -844,18 +928,6 @@ static int skel_removexattr(vfs_handle_struct *handle,
 
 static int skel_fremovexattr(vfs_handle_struct *handle,
                             struct files_struct *fsp, const char *name)
-{
-       errno = ENOSYS;
-       return -1;
-       return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, name);
-}
-
-static int skel_setxattr(vfs_handle_struct *handle,
-                       const struct smb_filename *smb_fname,
-                       const char *name,
-                       const void *value,
-                       size_t size,
-                       int flags)
 {
        errno = ENOSYS;
        return -1;
@@ -876,9 +948,46 @@ static bool skel_aio_force(struct vfs_handle_struct *handle,
        return false;
 }
 
+static NTSTATUS skel_audit_file(struct vfs_handle_struct *handle,
+                               struct smb_filename *file,
+                               struct security_acl *sacl,
+                               uint32_t access_requested,
+                               uint32_t access_denied)
+{
+       return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS skel_durable_cookie(struct vfs_handle_struct *handle,
+                                   struct files_struct *fsp,
+                                   TALLOC_CTX *mem_ctx,
+                                   DATA_BLOB *cookie)
+{
+       return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS skel_durable_disconnect(struct vfs_handle_struct *handle,
+                                       struct files_struct *fsp,
+                                       const DATA_BLOB old_cookie,
+                                       TALLOC_CTX *mem_ctx,
+                                       DATA_BLOB *new_cookie)
+{
+       return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS skel_durable_reconnect(struct vfs_handle_struct *handle,
+                                      struct smb_request *smb1req,
+                                      struct smbXsrv_open *op,
+                                      const DATA_BLOB old_cookie,
+                                      TALLOC_CTX *mem_ctx,
+                                      struct files_struct **fsp,
+                                      DATA_BLOB *new_cookie)
+{
+       return NT_STATUS_NOT_IMPLEMENTED;
+}
+
 /* VFS operations structure */
 
-struct vfs_fn_pointers skel_opaque_fns = {
+static struct vfs_fn_pointers skel_opaque_fns = {
        /* Disk operations */
 
        .connect_fn = skel_connect,
@@ -890,72 +999,71 @@ struct vfs_fn_pointers skel_opaque_fns = {
        .statvfs_fn = skel_statvfs,
        .fs_capabilities_fn = skel_fs_capabilities,
        .get_dfs_referrals_fn = skel_get_dfs_referrals,
+       .create_dfs_pathat_fn = skel_create_dfs_pathat,
+       .read_dfs_pathat_fn = skel_read_dfs_pathat,
        .snap_check_path_fn = skel_snap_check_path,
        .snap_create_fn = skel_snap_create,
        .snap_delete_fn = skel_snap_delete,
 
        /* Directory operations */
 
-       .opendir_fn = skel_opendir,
        .fdopendir_fn = skel_fdopendir,
        .readdir_fn = skel_readdir,
        .seekdir_fn = skel_seekdir,
        .telldir_fn = skel_telldir,
        .rewind_dir_fn = skel_rewind_dir,
-       .mkdir_fn = skel_mkdir,
-       .rmdir_fn = skel_rmdir,
+       .mkdirat_fn = skel_mkdirat,
        .closedir_fn = skel_closedir,
-       .init_search_op_fn = skel_init_search_op,
 
        /* File operations */
 
-       .open_fn = skel_open,
+       .openat_fn = skel_openat,
        .create_file_fn = skel_create_file,
        .close_fn = skel_close_fn,
-       .read_fn = skel_vfs_read,
        .pread_fn = skel_pread,
        .pread_send_fn = skel_pread_send,
        .pread_recv_fn = skel_pread_recv,
-       .write_fn = skel_write,
        .pwrite_fn = skel_pwrite,
        .pwrite_send_fn = skel_pwrite_send,
        .pwrite_recv_fn = skel_pwrite_recv,
        .lseek_fn = skel_lseek,
        .sendfile_fn = skel_sendfile,
        .recvfile_fn = skel_recvfile,
-       .rename_fn = skel_rename,
-       .fsync_fn = skel_fsync,
+       .renameat_fn = skel_renameat,
        .fsync_send_fn = skel_fsync_send,
        .fsync_recv_fn = skel_fsync_recv,
        .stat_fn = skel_stat,
        .fstat_fn = skel_fstat,
        .lstat_fn = skel_lstat,
        .get_alloc_size_fn = skel_get_alloc_size,
-       .unlink_fn = skel_unlink,
-       .chmod_fn = skel_chmod,
+       .unlinkat_fn = skel_unlinkat,
        .fchmod_fn = skel_fchmod,
-       .chown_fn = skel_chown,
        .fchown_fn = skel_fchown,
        .lchown_fn = skel_lchown,
        .chdir_fn = skel_chdir,
        .getwd_fn = skel_getwd,
        .ntimes_fn = skel_ntimes,
+       .fntimes_fn = skel_fntimes,
        .ftruncate_fn = skel_ftruncate,
        .fallocate_fn = skel_fallocate,
        .lock_fn = skel_lock,
        .kernel_flock_fn = skel_kernel_flock,
+       .fcntl_fn = skel_fcntl,
        .linux_setlease_fn = skel_linux_setlease,
        .getlock_fn = skel_getlock,
-       .symlink_fn = skel_symlink,
-       .readlink_fn = skel_vfs_readlink,
-       .link_fn = skel_link,
-       .mknod_fn = skel_mknod,
+       .symlinkat_fn = skel_symlinkat,
+       .readlinkat_fn = skel_vfs_readlinkat,
+       .linkat_fn = skel_linkat,
+       .mknodat_fn = skel_mknodat,
        .realpath_fn = skel_realpath,
        .chflags_fn = skel_chflags,
        .file_id_create_fn = skel_file_id_create,
-       .copy_chunk_send_fn = skel_copy_chunk_send,
-       .copy_chunk_recv_fn = skel_copy_chunk_recv,
-       .get_compression_fn = skel_get_compression,
+       .fs_file_id_fn = skel_fs_file_id,
+       .offload_read_send_fn = skel_offload_read_send,
+       .offload_read_recv_fn = skel_offload_read_recv,
+       .offload_write_send_fn = skel_offload_write_send,
+       .offload_write_recv_fn = skel_offload_write_recv,
+       .fget_compression_fn = skel_fget_compression,
        .set_compression_fn = skel_set_compression,
 
        .streaminfo_fn = skel_streaminfo,
@@ -963,55 +1071,61 @@ struct vfs_fn_pointers skel_opaque_fns = {
        .connectpath_fn = skel_connectpath,
        .brl_lock_windows_fn = skel_brl_lock_windows,
        .brl_unlock_windows_fn = skel_brl_unlock_windows,
-       .brl_cancel_windows_fn = skel_brl_cancel_windows,
-       .strict_lock_fn = skel_strict_lock,
-       .strict_unlock_fn = skel_strict_unlock,
+       .strict_lock_check_fn = skel_strict_lock_check,
        .translate_name_fn = skel_translate_name,
        .fsctl_fn = skel_fsctl,
        .readdir_attr_fn = skel_readdir_attr,
+       .audit_file_fn = skel_audit_file,
 
        /* DOS attributes. */
-       .get_dos_attributes_fn = skel_get_dos_attributes,
+       .get_dos_attributes_send_fn = skel_get_dos_attributes_send,
+       .get_dos_attributes_recv_fn = skel_get_dos_attributes_recv,
        .fget_dos_attributes_fn = skel_fget_dos_attributes,
-       .set_dos_attributes_fn = skel_set_dos_attributes,
        .fset_dos_attributes_fn = skel_fset_dos_attributes,
 
        /* NT ACL operations. */
 
        .fget_nt_acl_fn = skel_fget_nt_acl,
-       .get_nt_acl_fn = skel_get_nt_acl,
+       .get_nt_acl_at_fn = skel_get_nt_acl_at,
        .fset_nt_acl_fn = skel_fset_nt_acl,
 
        /* POSIX ACL operations. */
 
-       .chmod_acl_fn = skel_chmod_acl,
-       .fchmod_acl_fn = skel_fchmod_acl,
-
        .sys_acl_get_file_fn = skel_sys_acl_get_file,
        .sys_acl_get_fd_fn = skel_sys_acl_get_fd,
        .sys_acl_blob_get_file_fn = skel_sys_acl_blob_get_file,
        .sys_acl_blob_get_fd_fn = skel_sys_acl_blob_get_fd,
-       .sys_acl_set_file_fn = skel_sys_acl_set_file,
        .sys_acl_set_fd_fn = skel_sys_acl_set_fd,
        .sys_acl_delete_def_file_fn = skel_sys_acl_delete_def_file,
 
        /* EA operations. */
        .getxattr_fn = skel_getxattr,
+       .getxattrat_send_fn = skel_getxattrat_send,
+       .getxattrat_recv_fn = skel_getxattrat_recv,
        .fgetxattr_fn = skel_fgetxattr,
-       .listxattr_fn = skel_listxattr,
        .flistxattr_fn = skel_flistxattr,
-       .removexattr_fn = skel_removexattr,
        .fremovexattr_fn = skel_fremovexattr,
-       .setxattr_fn = skel_setxattr,
        .fsetxattr_fn = skel_fsetxattr,
 
        /* aio operations */
        .aio_force_fn = skel_aio_force,
+
+       /* durable handle operations */
+       .durable_cookie_fn = skel_durable_cookie,
+       .durable_disconnect_fn = skel_durable_disconnect,
+       .durable_reconnect_fn = skel_durable_reconnect,
 };
 
 static_decl_vfs;
 NTSTATUS vfs_skel_opaque_init(TALLOC_CTX *ctx)
 {
+       /*
+        * smb_vfs_assert_all_fns() makes sure every
+        * call is implemented.
+        *
+        * An opaque module requires this!
+        */
+       smb_vfs_assert_all_fns(&skel_opaque_fns, "skel_opaque");
        return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "skel_opaque",
                                &skel_opaque_fns);
 }