s3: VFS: Complete the removal of SMB_VFS_CHOWN()
[samba.git] / examples / VFS / skel_transparent.c
index a5ba6a9c4d861d87ad98c3143e594066634d4799..fd19e433ba3752d7efb412ef6601cbb1f974f1f2 100644 (file)
@@ -164,17 +164,15 @@ static void skel_rewind_dir(vfs_handle_struct *handle, DIR *dirp)
        SMB_VFS_NEXT_REWINDDIR(handle, 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)
 {
-       return SMB_VFS_NEXT_MKDIR(handle, smb_fname, mode);
-}
-
-static int skel_rmdir(vfs_handle_struct *handle,
-               const struct smb_filename *smb_fname)
-{
-       return SMB_VFS_NEXT_RMDIR(handle, smb_fname);
+       return SMB_VFS_NEXT_MKDIRAT(handle,
+                       dirfsp,
+                       smb_fname,
+                       mode);
 }
 
 static int skel_closedir(vfs_handle_struct *handle, DIR *dir)
@@ -182,11 +180,6 @@ static int skel_closedir(vfs_handle_struct *handle, DIR *dir)
        return SMB_VFS_NEXT_CLOSEDIR(handle, dir);
 }
 
-static void skel_init_search_op(struct vfs_handle_struct *handle, DIR *dirp)
-{
-       SMB_VFS_NEXT_INIT_SEARCH_OP(handle, dirp);
-}
-
 static int skel_open(vfs_handle_struct *handle, struct smb_filename *smb_fname,
                     files_struct *fsp, int flags, mode_t mode)
 {
@@ -203,7 +196,7 @@ 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,
@@ -234,12 +227,6 @@ static int skel_close_fn(vfs_handle_struct *handle, files_struct *fsp)
        return SMB_VFS_NEXT_CLOSE(handle, fsp);
 }
 
-static ssize_t skel_vfs_read(vfs_handle_struct *handle, files_struct *fsp,
-                            void *data, size_t n)
-{
-       return SMB_VFS_NEXT_READ(handle, fsp, data, n);
-}
-
 static ssize_t skel_pread(vfs_handle_struct *handle, files_struct *fsp,
                          void *data, size_t n, off_t offset)
 {
@@ -300,12 +287,6 @@ static ssize_t skel_pread_recv(struct tevent_req *req,
        return state->ret;
 }
 
-static ssize_t skel_write(vfs_handle_struct *handle, files_struct *fsp,
-                         const void *data, size_t n)
-{
-       return SMB_VFS_NEXT_WRITE(handle, fsp, data, n);
-}
-
 static ssize_t skel_pwrite(vfs_handle_struct *handle, files_struct *fsp,
                           const void *data, size_t n, off_t offset)
 {
@@ -386,16 +367,17 @@ static ssize_t skel_recvfile(vfs_handle_struct *handle, int fromfd,
        return SMB_VFS_NEXT_RECVFILE(handle, fromfd, tofsp, offset, n);
 }
 
-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)
 {
-       return SMB_VFS_NEXT_RENAME(handle, smb_fname_src, smb_fname_dst);
-}
-
-static int skel_fsync(vfs_handle_struct *handle, files_struct *fsp)
-{
-       return SMB_VFS_NEXT_FSYNC(handle, fsp);
+       return SMB_VFS_NEXT_RENAMEAT(handle,
+                       srcfsp,
+                       smb_fname_src,
+                       dstfsp,
+                       smb_fname_dst);
 }
 
 struct skel_fsync_state {
@@ -474,10 +456,15 @@ static uint64_t skel_get_alloc_size(struct vfs_handle_struct *handle,
        return SMB_VFS_NEXT_GET_ALLOC_SIZE(handle, fsp, sbuf);
 }
 
-static int skel_unlink(vfs_handle_struct *handle,
-                      const struct smb_filename *smb_fname)
+static int skel_unlinkat(vfs_handle_struct *handle,
+                       struct files_struct *dirfsp,
+                       const struct smb_filename *smb_fname,
+                       int flags)
 {
-       return SMB_VFS_NEXT_UNLINK(handle, smb_fname);
+       return SMB_VFS_NEXT_UNLINKAT(handle,
+                       dirfsp,
+                       smb_fname,
+                       flags);
 }
 
 static int skel_chmod(vfs_handle_struct *handle,
@@ -493,14 +480,6 @@ static int skel_fchmod(vfs_handle_struct *handle, files_struct *fsp,
        return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
 }
 
-static int skel_chown(vfs_handle_struct *handle,
-                       const struct smb_filename *smb_fname,
-                       uid_t uid,
-                       gid_t gid)
-{
-       return SMB_VFS_NEXT_CHOWN(handle, smb_fname, uid, gid);
-}
-
 static int skel_fchown(vfs_handle_struct *handle, files_struct *fsp,
                       uid_t uid, gid_t gid)
 {
@@ -559,6 +538,21 @@ static int skel_kernel_flock(struct vfs_handle_struct *handle,
        return SMB_VFS_NEXT_KERNEL_FLOCK(handle, fsp, share_mode, access_mask);
 }
 
+static int skel_fcntl(struct vfs_handle_struct *handle,
+                     struct files_struct *fsp, int cmd, va_list cmd_arg)
+{
+       void *arg;
+       va_list dup_cmd_arg;
+       int result;
+
+       va_copy(dup_cmd_arg, cmd_arg);
+       arg = va_arg(dup_cmd_arg, void *);
+       result = SMB_VFS_NEXT_FCNTL(handle, fsp, cmd, arg);
+       va_end(dup_cmd_arg);
+
+       return result;
+}
+
 static int skel_linux_setlease(struct vfs_handle_struct *handle,
                               struct files_struct *fsp, int leasetype)
 {
@@ -572,39 +566,63 @@ static bool skel_getlock(vfs_handle_struct *handle, files_struct *fsp,
        return SMB_VFS_NEXT_GETLOCK(handle, fsp, poffset, pcount, ptype, ppid);
 }
 
-static int skel_symlink(vfs_handle_struct *handle,
+static int skel_symlinkat(vfs_handle_struct *handle,
                        const char *link_contents,
+                       struct files_struct *dirfsp,
                        const struct smb_filename *new_smb_fname)
 {
-       return SMB_VFS_NEXT_SYMLINK(handle, link_contents, new_smb_fname);
+       return SMB_VFS_NEXT_SYMLINKAT(handle,
+                               link_contents,
+                               dirfsp,
+                               new_smb_fname);
 }
 
-static int skel_vfs_readlink(vfs_handle_struct *handle,
+static int skel_vfs_readlinkat(vfs_handle_struct *handle,
+                       files_struct *dirfsp,
                        const struct smb_filename *smb_fname,
                        char *buf,
                        size_t bufsiz)
 {
-       return SMB_VFS_NEXT_READLINK(handle, smb_fname, buf, bufsiz);
+       return SMB_VFS_NEXT_READLINKAT(handle,
+                       dirfsp,
+                       smb_fname,
+                       buf,
+                       bufsiz);
 }
 
-static int skel_link(vfs_handle_struct *handle,
+static int skel_linkat(vfs_handle_struct *handle,
+                       files_struct *srcfsp,
                        const struct smb_filename *old_smb_fname,
-                       const struct smb_filename *new_smb_fname)
+                       files_struct *dstfsp,
+                       const struct smb_filename *new_smb_fname,
+                       int flags)
 {
-       return SMB_VFS_NEXT_LINK(handle, old_smb_fname, new_smb_fname);
+       return SMB_VFS_NEXT_LINKAT(handle,
+                       srcfsp,
+                       old_smb_fname,
+                       dstfsp,
+                       new_smb_fname,
+                       flags);
 }
 
-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)
 {
-       return SMB_VFS_NEXT_MKNOD(handle, smb_fname, mode, dev);
+       return SMB_VFS_NEXT_MKNODAT(handle,
+                       dirfsp,
+                       smb_fname,
+                       mode,
+                       dev);
 }
 
-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)
 {
-       return SMB_VFS_NEXT_REALPATH(handle, path);
+       return SMB_VFS_NEXT_REALPATH(handle, ctx, smb_fname);
 }
 
 static int skel_chflags(vfs_handle_struct *handle,
@@ -620,54 +638,148 @@ static struct file_id skel_file_id_create(vfs_handle_struct *handle,
        return SMB_VFS_NEXT_FILE_ID_CREATE(handle, sbuf);
 }
 
-struct skel_cc_state {
+static uint64_t skel_fs_file_id(vfs_handle_struct *handle,
+                               const SMB_STRUCT_STAT *sbuf)
+{
+       return SMB_VFS_NEXT_FS_FILE_ID(handle, sbuf);
+}
+
+struct skel_offload_read_state {
+       struct vfs_handle_struct *handle;
+       DATA_BLOB token;
+};
+
+static void skel_offload_read_done(struct tevent_req *subreq);
+
+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;
+       struct tevent_req *subreq = NULL;
+
+       req = tevent_req_create(mem_ctx, &state, struct skel_offload_read_state);
+       if (req == NULL) {
+               return NULL;
+       }
+       *state = (struct skel_offload_read_state) {
+               .handle = handle,
+       };
+
+       subreq = SMB_VFS_NEXT_OFFLOAD_READ_SEND(mem_ctx, ev, handle, fsp,
+                                               fsctl, ttl, offset, to_copy);
+       if (tevent_req_nomem(subreq, req)) {
+               return tevent_req_post(req, ev);
+       }
+       tevent_req_set_callback(subreq, skel_offload_read_done, req);
+       return req;
+}
+
+static void skel_offload_read_done(struct tevent_req *subreq)
+{
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct skel_offload_read_state *state = tevent_req_data(
+               req, struct skel_offload_read_state);
+       NTSTATUS status;
+
+       status = SMB_VFS_NEXT_OFFLOAD_READ_RECV(subreq,
+                                               state->handle,
+                                               state,
+                                               &state->token);
+       TALLOC_FREE(subreq);
+       if (tevent_req_nterror(req, status)) {
+               return;
+       }
+
+       tevent_req_done(req);
+       return;
+}
+
+static NTSTATUS skel_offload_read_recv(struct tevent_req *req,
+                                      struct vfs_handle_struct *handle,
+                                      TALLOC_CTX *mem_ctx,
+                                      DATA_BLOB *_token)
+{
+       struct skel_offload_read_state *state = tevent_req_data(
+               req, struct skel_offload_read_state);
+       DATA_BLOB token;
+       NTSTATUS status;
+
+       if (tevent_req_is_nterror(req, &status)) {
+               tevent_req_received(req);
+               return status;
+       }
+
+       token = data_blob_talloc(mem_ctx,
+                                state->token.data,
+                                state->token.length);
+
+       tevent_req_received(req);
+
+       if (token.data == NULL) {
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       *_token = token;
+       return NT_STATUS_OK;
+}
+
+struct skel_offload_write_state {
        struct vfs_handle_struct *handle;
        off_t copied;
 };
-static void skel_copy_chunk_done(struct tevent_req *subreq);
+static void skel_offload_write_done(struct tevent_req *subreq);
 
-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 tevent_req *subreq;
-       struct skel_cc_state *cc_state;
+       struct skel_offload_write_state *state;
 
-       req = tevent_req_create(mem_ctx, &cc_state, struct skel_cc_state);
+       req = tevent_req_create(mem_ctx, &state, struct skel_offload_write_state);
        if (req == NULL) {
                return NULL;
        }
 
-       cc_state->handle = handle;
-       subreq = SMB_VFS_NEXT_COPY_CHUNK_SEND(handle, cc_state, ev,
-                                             src_fsp, src_off,
-                                             dest_fsp, dest_off, num, flags);
+       state->handle = handle;
+       subreq = SMB_VFS_NEXT_OFFLOAD_WRITE_SEND(handle, state, ev,
+                                             fsctl, token, transfer_offset,
+                                             dest_fsp, dest_off, num);
        if (tevent_req_nomem(subreq, req)) {
                return tevent_req_post(req, ev);
        }
 
-       tevent_req_set_callback(subreq, skel_copy_chunk_done, req);
+       tevent_req_set_callback(subreq, skel_offload_write_done, req);
        return req;
 }
 
-static void skel_copy_chunk_done(struct tevent_req *subreq)
+static void skel_offload_write_done(struct tevent_req *subreq)
 {
        struct tevent_req *req = tevent_req_callback_data(
                subreq, struct tevent_req);
-       struct skel_cc_state *cc_state
-                       = tevent_req_data(req, struct skel_cc_state);
+       struct skel_offload_write_state *state
+                       = tevent_req_data(req, struct skel_offload_write_state);
        NTSTATUS status;
 
-       status = SMB_VFS_NEXT_COPY_CHUNK_RECV(cc_state->handle,
+       status = SMB_VFS_NEXT_OFFLOAD_WRITE_RECV(state->handle,
                                              subreq,
-                                             &cc_state->copied);
+                                             &state->copied);
        TALLOC_FREE(subreq);
        if (tevent_req_nterror(req, status)) {
                return;
@@ -675,15 +787,15 @@ static void skel_copy_chunk_done(struct tevent_req *subreq)
        tevent_req_done(req);
 }
 
-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)
 {
-       struct skel_cc_state *cc_state
-                       = tevent_req_data(req, struct skel_cc_state);
+       struct skel_offload_write_state *state
+                       = tevent_req_data(req, struct skel_offload_write_state);
        NTSTATUS status;
 
-       *copied = cc_state->copied;
+       *copied = state->copied;
        if (tevent_req_is_nterror(req, &status)) {
                tevent_req_received(req);
                return status;
@@ -737,47 +849,30 @@ 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)
 {
-       return SMB_VFS_NEXT_CONNECTPATH(handle, filename);
+       return SMB_VFS_NEXT_CONNECTPATH(handle, smb_fname);
 }
 
 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 SMB_VFS_NEXT_BRL_LOCK_WINDOWS(handle,
-                                            br_lck, plock, blocking_lock);
+       return SMB_VFS_NEXT_BRL_LOCK_WINDOWS(handle, br_lck, plock);
 }
 
 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)
 {
-       return SMB_VFS_NEXT_BRL_UNLOCK_WINDOWS(handle, msg_ctx, br_lck, plock);
-}
-
-static bool skel_brl_cancel_windows(struct vfs_handle_struct *handle,
-                                   struct byte_range_lock *br_lck,
-                                   struct lock_struct *plock)
-{
-       return SMB_VFS_NEXT_BRL_CANCEL_WINDOWS(handle, br_lck, plock);
+       return SMB_VFS_NEXT_BRL_UNLOCK_WINDOWS(handle, br_lck, plock);
 }
 
-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)
 {
-       return SMB_VFS_NEXT_STRICT_LOCK(handle, fsp, plock);
-}
-
-static void skel_strict_unlock(struct vfs_handle_struct *handle,
-                              struct files_struct *fsp,
-                              struct lock_struct *plock)
-{
-       SMB_VFS_NEXT_STRICT_UNLOCK(handle, fsp, plock);
+       return SMB_VFS_NEXT_STRICT_LOCK_CHECK(handle, fsp, plock);
 }
 
 static NTSTATUS skel_translate_name(struct vfs_handle_struct *handle,
@@ -825,6 +920,85 @@ static NTSTATUS skel_get_dos_attributes(struct vfs_handle_struct *handle,
                                dosmode);
 }
 
+struct skel_get_dos_attributes_state {
+       struct vfs_aio_state aio_state;
+       uint32_t dosmode;
+};
+
+static void skel_get_dos_attributes_done(struct tevent_req *subreq);
+
+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)
+{
+       struct tevent_req *req = NULL;
+       struct skel_get_dos_attributes_state *state = NULL;
+       struct tevent_req *subreq = NULL;
+
+       req = tevent_req_create(mem_ctx, &state,
+                               struct skel_get_dos_attributes_state);
+       if (req == NULL) {
+               return NULL;
+       }
+
+       subreq = SMB_VFS_NEXT_GET_DOS_ATTRIBUTES_SEND(mem_ctx,
+                                                     ev,
+                                                     handle,
+                                                     dir_fsp,
+                                                     smb_fname);
+       if (tevent_req_nomem(subreq, req)) {
+               return tevent_req_post(req, ev);
+       }
+       tevent_req_set_callback(subreq, skel_get_dos_attributes_done, req);
+
+       return req;
+}
+
+static void skel_get_dos_attributes_done(struct tevent_req *subreq)
+{
+       struct tevent_req *req =
+               tevent_req_callback_data(subreq,
+               struct tevent_req);
+       struct skel_get_dos_attributes_state *state =
+               tevent_req_data(req,
+               struct skel_get_dos_attributes_state);
+       NTSTATUS status;
+
+       status = SMB_VFS_NEXT_GET_DOS_ATTRIBUTES_RECV(subreq,
+                                                     &state->aio_state,
+                                                     &state->dosmode);
+       TALLOC_FREE(subreq);
+       if (tevent_req_nterror(req, status)) {
+               return;
+       }
+
+       tevent_req_done(req);
+       return;
+}
+
+static NTSTATUS skel_get_dos_attributes_recv(struct tevent_req *req,
+                                            struct vfs_aio_state *aio_state,
+                                            uint32_t *dosmode)
+{
+       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_fget_dos_attributes(struct vfs_handle_struct *handle,
                                struct files_struct *fsp,
                                uint32_t *dosmode)
@@ -881,19 +1055,6 @@ static NTSTATUS skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
        return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
 }
 
-static int skel_chmod_acl(vfs_handle_struct *handle,
-                       const struct smb_filename *smb_fname,
-                       mode_t mode)
-{
-       return SMB_VFS_NEXT_CHMOD_ACL(handle, smb_fname, mode);
-}
-
-static int skel_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp,
-                          mode_t mode)
-{
-       return SMB_VFS_NEXT_FCHMOD_ACL(handle, fsp, mode);
-}
-
 static SMB_ACL_T skel_sys_acl_get_file(vfs_handle_struct *handle,
                                       const struct smb_filename *smb_fname,
                                       SMB_ACL_TYPE_T type,
@@ -956,6 +1117,92 @@ static ssize_t skel_getxattr(vfs_handle_struct *handle,
        return SMB_VFS_NEXT_GETXATTR(handle, smb_fname, name, value, size);
 }
 
+struct skel_getxattrat_state {
+       struct vfs_aio_state aio_state;
+       ssize_t xattr_size;
+       uint8_t *xattr_value;
+};
+
+static void skel_getxattrat_done(struct tevent_req *subreq);
+
+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)
+{
+       struct tevent_req *req = NULL;
+       struct skel_getxattrat_state *state = NULL;
+       struct tevent_req *subreq = NULL;
+
+       req = tevent_req_create(mem_ctx, &state,
+                               struct skel_getxattrat_state);
+       if (req == NULL) {
+               return NULL;
+       }
+
+       subreq = SMB_VFS_NEXT_GETXATTRAT_SEND(state,
+                                             ev,
+                                             handle,
+                                             dir_fsp,
+                                             smb_fname,
+                                             xattr_name,
+                                             alloc_hint);
+       if (tevent_req_nomem(subreq, req)) {
+               return tevent_req_post(req, ev);
+       }
+       tevent_req_set_callback(subreq, skel_getxattrat_done, req);
+
+       return req;
+}
+
+static void skel_getxattrat_done(struct tevent_req *subreq)
+{
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct skel_getxattrat_state *state = tevent_req_data(
+               req, struct skel_getxattrat_state);
+
+       state->xattr_size = SMB_VFS_NEXT_GETXATTRAT_RECV(subreq,
+                                                        &state->aio_state,
+                                                        state,
+                                                        &state->xattr_value);
+       TALLOC_FREE(subreq);
+       if (state->xattr_size == -1) {
+               tevent_req_error(req, state->aio_state.error);
+               return;
+       }
+
+       tevent_req_done(req);
+}
+
+static ssize_t skel_getxattrat_recv(struct tevent_req *req,
+                                   struct vfs_aio_state *aio_state,
+                                   TALLOC_CTX *mem_ctx,
+                                   uint8_t **xattr_value)
+{
+       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_fgetxattr(vfs_handle_struct *handle,
                              struct files_struct *fsp, const char *name,
                              void *value, size_t size)
@@ -1015,9 +1262,63 @@ static bool skel_aio_force(struct vfs_handle_struct *handle,
        return SMB_VFS_NEXT_AIO_FORCE(handle, fsp);
 }
 
+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 SMB_VFS_NEXT_AUDIT_FILE(handle,
+                                      file,
+                                      sacl,
+                                      access_requested,
+                                      access_denied);
+}
+
+static NTSTATUS skel_durable_cookie(struct vfs_handle_struct *handle,
+                                   struct files_struct *fsp,
+                                   TALLOC_CTX *mem_ctx,
+                                   DATA_BLOB *cookie)
+{
+       return SMB_VFS_NEXT_DURABLE_COOKIE(handle,
+                                          fsp,
+                                          mem_ctx,
+                                          cookie);
+}
+
+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 SMB_VFS_NEXT_DURABLE_DISCONNECT(handle,
+                                              fsp,
+                                              old_cookie,
+                                              mem_ctx,
+                                              new_cookie);
+}
+
+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 SMB_VFS_NEXT_DURABLE_RECONNECT(handle,
+                                             smb1req,
+                                             op,
+                                             old_cookie,
+                                             mem_ctx,
+                                             fsp,
+                                             new_cookie);
+}
+
 /* VFS operations structure */
 
-struct vfs_fn_pointers skel_transparent_fns = {
+static struct vfs_fn_pointers skel_transparent_fns = {
        /* Disk operations */
 
        .connect_fn = skel_connect,
@@ -1041,39 +1342,33 @@ struct vfs_fn_pointers skel_transparent_fns = {
        .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,
        .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,
+       .unlinkat_fn = skel_unlinkat,
        .chmod_fn = skel_chmod,
        .fchmod_fn = skel_fchmod,
-       .chown_fn = skel_chown,
        .fchown_fn = skel_fchown,
        .lchown_fn = skel_lchown,
        .chdir_fn = skel_chdir,
@@ -1083,17 +1378,21 @@ struct vfs_fn_pointers skel_transparent_fns = {
        .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,
+       .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,
        .get_compression_fn = skel_get_compression,
        .set_compression_fn = skel_set_compression,
 
@@ -1102,15 +1401,16 @@ struct vfs_fn_pointers skel_transparent_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,
@@ -1123,9 +1423,6 @@ struct vfs_fn_pointers skel_transparent_fns = {
 
        /* 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,
@@ -1136,6 +1433,8 @@ struct vfs_fn_pointers skel_transparent_fns = {
 
        /* 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,
@@ -1146,11 +1445,24 @@ struct vfs_fn_pointers skel_transparent_fns = {
 
        /* 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_transparent_init(TALLOC_CTX *ctx)
 {
+       /*
+        * smb_vfs_assert_all_fns() is only needed in
+        * order to have a complete example.
+        *
+        * A transparent vfs module typically don't
+        * need to implement every calls.
+        */
+       smb_vfs_assert_all_fns(&skel_transparent_fns, "skel_transparent");
        return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "skel_transparent",
                                &skel_transparent_fns);
 }