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Diffstat (limited to 'source3/smbd/vfs.c')
-rw-r--r--source3/smbd/vfs.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/source3/smbd/vfs.c b/source3/smbd/vfs.c
index 32e3472efe..9b666e0bf6 100644
--- a/source3/smbd/vfs.c
+++ b/source3/smbd/vfs.c
@@ -30,6 +30,7 @@
#include "memcache.h"
#include "transfer_file.h"
#include "ntioctl.h"
+#include "lib/util/tevent_unix.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_VFS
@@ -1556,6 +1557,70 @@ ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
return handle->fns->pwrite_fn(handle, fsp, data, n, offset);
}
+struct smb_vfs_call_pwrite_state {
+ ssize_t (*recv_fn)(struct tevent_req *req, int *err);
+ ssize_t retval;
+};
+
+static void smb_vfs_call_pwrite_done(struct tevent_req *subreq);
+
+struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
+ TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct files_struct *fsp,
+ const void *data,
+ size_t n, off_t offset)
+{
+ struct tevent_req *req, *subreq;
+ struct smb_vfs_call_pwrite_state *state;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct smb_vfs_call_pwrite_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ VFS_FIND(pwrite_send);
+ state->recv_fn = handle->fns->pwrite_recv_fn;
+
+ subreq = handle->fns->pwrite_send_fn(handle, state, ev, fsp, data, n,
+ offset);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, smb_vfs_call_pwrite_done, req);
+ return req;
+}
+
+static void smb_vfs_call_pwrite_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct smb_vfs_call_pwrite_state *state = tevent_req_data(
+ req, struct smb_vfs_call_pwrite_state);
+ int err;
+
+ state->retval = state->recv_fn(subreq, &err);
+ TALLOC_FREE(subreq);
+ if (state->retval == -1) {
+ tevent_req_error(req, err);
+ return;
+ }
+ tevent_req_done(req);
+}
+
+ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req, int *perrno)
+{
+ struct smb_vfs_call_pwrite_state *state = tevent_req_data(
+ req, struct smb_vfs_call_pwrite_state);
+ int err;
+
+ if (tevent_req_is_unix_error(req, &err)) {
+ *perrno = err;
+ return -1;
+ }
+ return state->retval;
+}
+
off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
struct files_struct *fsp, off_t offset,
int whence)