diff options
Diffstat (limited to 'source3')
-rw-r--r-- | source3/smbd/pipes.c | 61 |
1 files changed, 48 insertions, 13 deletions
diff --git a/source3/smbd/pipes.c b/source3/smbd/pipes.c index 693db521e7..abbcf67d55 100644 --- a/source3/smbd/pipes.c +++ b/source3/smbd/pipes.c @@ -144,13 +144,18 @@ void reply_open_pipe_and_X(connection_struct *conn, struct smb_request *req) Reply to a write on a pipe. ****************************************************************************/ +struct pipe_write_state { + size_t numtowrite; +}; + +static void pipe_write_done(struct async_req *subreq); + void reply_pipe_write(struct smb_request *req) { files_struct *fsp = file_fsp(req, SVAL(req->vwv+0, 0)); - size_t numtowrite = SVAL(req->vwv+1, 0); - ssize_t nwritten; const uint8_t *data; - NTSTATUS status; + struct pipe_write_state *state; + struct async_req *subreq; if (!fsp_is_np(fsp)) { reply_doserror(req, ERRDOS, ERRbadfid); @@ -162,29 +167,59 @@ void reply_pipe_write(struct smb_request *req) return; } + state = talloc(req, struct pipe_write_state); + if (state == NULL) { + reply_nterror(req, NT_STATUS_NO_MEMORY); + return; + } + req->async_priv = state; + + state->numtowrite = SVAL(req->vwv+1, 0); + data = req->buf + 3; DEBUG(6, ("reply_pipe_write: %x name: %s len: %d\n", (int)fsp->fnum, - fsp->fsp_name, (int)numtowrite)); - status = np_write(fsp->fake_file_handle, data, numtowrite, &nwritten); - if (!NT_STATUS_IS_OK(status)) { - reply_nterror(req, status); + fsp->fsp_name, (int)state->numtowrite)); + + subreq = np_write_send(state, smbd_event_context(), + fsp->fake_file_handle, data, state->numtowrite); + if (subreq == NULL) { + TALLOC_FREE(state); + reply_nterror(req, NT_STATUS_NO_MEMORY); return; } + subreq->async.fn = pipe_write_done; + subreq->async.priv = talloc_move(req->conn, &req); +} + +static void pipe_write_done(struct async_req *subreq) +{ + struct smb_request *req = talloc_get_type_abort( + subreq->async.priv, struct smb_request); + struct pipe_write_state *state = talloc_get_type_abort( + req->async_priv, struct pipe_write_state); + NTSTATUS status; + ssize_t nwritten = -1; - if ((nwritten == 0 && numtowrite != 0) || (nwritten < 0)) { + status = np_write_recv(subreq, &nwritten); + TALLOC_FREE(subreq); + if ((nwritten == 0 && state->numtowrite != 0) || (nwritten < 0)) { reply_unixerror(req, ERRDOS, ERRnoaccess); - return; + goto send; } reply_outbuf(req, 1, 0); SSVAL(req->outbuf,smb_vwv0,nwritten); - - DEBUG(3,("write-IPC pnum=%04x nwritten=%d\n", fsp->fnum, - (int)nwritten)); - return; + DEBUG(3,("write-IPC nwritten=%d\n", (int)nwritten)); + + send: + if (!srv_send_smb(smbd_server_fd(), (char *)req->outbuf, + IS_CONN_ENCRYPTED(req->conn)||req->encrypted)) { + exit_server_cleanly("construct_reply: srv_send_smb failed."); + } + TALLOC_FREE(req); } /**************************************************************************** |