rpc_client/cli_spoolss_notify.c

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/* 
   Unix SMB/CIFS implementation.
   RPC pipe client

   Copyright (C) Gerald Carter                2001-2002,
   Copyright (C) Tim Potter                   2000-2002,
   Copyright (C) Andrew Tridgell              1994-2000,
   Copyright (C) Jean-Francois Micouleau      1999-2000.
   Copyright (C) Jeremy Allison                    2005.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "includes.h"

/*
 * SPOOLSS Client RPC's used by servers as the notification
 * back channel.
 */

/* Send a ReplyOpenPrinter request.  This rpc is made by the printer
   server to the printer client in response to a rffpcnex request.
   The rrfpcnex request names a printer and a handle (the printerlocal
   value) and this rpc establishes a back-channel over which printer
   notifications are performed. */

WERROR rpccli_spoolss_reply_open_printer(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx, 
                                      const char *printer, uint32 printerlocal, uint32 type, 
                                      POLICY_HND *handle)
{
        prs_struct qbuf, rbuf;
        SPOOL_Q_REPLYOPENPRINTER q;
        SPOOL_R_REPLYOPENPRINTER r;
        WERROR result = W_ERROR(ERRgeneral);
        
        /* Initialise input parameters */

        make_spoolss_q_replyopenprinter(&q, printer, printerlocal, type);

        /* Marshall data and send request */

        CLI_DO_RPC_WERR( cli, mem_ctx, PI_SPOOLSS, SPOOLSS_REPLYOPENPRINTER,
                q, r,
                qbuf, rbuf,
                spoolss_io_q_replyopenprinter,
                spoolss_io_r_replyopenprinter,
                WERR_GENERAL_FAILURE );

        /* Return result */

        memcpy(handle, &r.handle, sizeof(r.handle));
        result = r.status;

        return result;
}

/* Close a back-channel notification connection */

WERROR rpccli_spoolss_reply_close_printer(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx, 
                                       POLICY_HND *handle)
{
        prs_struct qbuf, rbuf;
        SPOOL_Q_REPLYCLOSEPRINTER q;
        SPOOL_R_REPLYCLOSEPRINTER r;
        WERROR result = W_ERROR(ERRgeneral);

        /* Initialise input parameters */

        make_spoolss_q_reply_closeprinter(&q, handle);

        /* Marshall data and send request */

        CLI_DO_RPC_WERR( cli, mem_ctx, PI_SPOOLSS, SPOOLSS_REPLYCLOSEPRINTER,
                q, r,
                qbuf, rbuf,
                spoolss_io_q_replycloseprinter,
                spoolss_io_r_replycloseprinter,
                WERR_GENERAL_FAILURE );

        /* Return result */

        result = r.status;
        return result;
}

/*********************************************************************
 This SPOOLSS_ROUTERREPLYPRINTER function is used to send a change 
 notification event when the registration **did not** use 
 SPOOL_NOTIFY_OPTION_TYPE structure to specify the events to monitor.
 Also see cli_spolss_reply_rrpcn()
 *********************************************************************/
 
WERROR rpccli_spoolss_routerreplyprinter(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
                                      POLICY_HND *pol, uint32 condition, uint32 change_id)
{
        prs_struct qbuf, rbuf;
        SPOOL_Q_ROUTERREPLYPRINTER q;
        SPOOL_R_ROUTERREPLYPRINTER r;
        WERROR result = W_ERROR(ERRgeneral);

        /* Initialise input parameters */

        make_spoolss_q_routerreplyprinter(&q, pol, condition, change_id);

        /* Marshall data and send request */

        CLI_DO_RPC_WERR( cli, mem_ctx, PI_SPOOLSS, SPOOLSS_ROUTERREPLYPRINTER,
                q, r,
                qbuf, rbuf,
                spoolss_io_q_routerreplyprinter,
                spoolss_io_r_routerreplyprinter,
                WERR_GENERAL_FAILURE );

        /* Return output parameters */

        result = r.status;
        return result;  
}

/*********************************************************************
 This SPOOLSS_REPLY_RRPCN function is used to send a change 
 notification event when the registration **did** use 
 SPOOL_NOTIFY_OPTION_TYPE structure to specify the events to monitor
 Also see cli_spoolss_routereplyprinter()
 *********************************************************************/

WERROR rpccli_spoolss_rrpcn(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx, 
                         POLICY_HND *pol, uint32 notify_data_len,
                         SPOOL_NOTIFY_INFO_DATA *notify_data,
                         uint32 change_low, uint32 change_high)
{
        prs_struct qbuf, rbuf;
        SPOOL_Q_REPLY_RRPCN q;
        SPOOL_R_REPLY_RRPCN r;
        WERROR result = W_ERROR(ERRgeneral);
        SPOOL_NOTIFY_INFO       notify_info;

        ZERO_STRUCT(q);
        ZERO_STRUCT(r);

        ZERO_STRUCT(notify_info);

        /* Initialise input parameters */

        notify_info.version = 0x2;
        notify_info.flags   = 0x00020000;       /* ?? */
        notify_info.count   = notify_data_len;
        notify_info.data    = notify_data;

        /* create and send a MSRPC command with api  */
        /* store the parameters */

        make_spoolss_q_reply_rrpcn(&q, pol, change_low, change_high, 
                                   &notify_info);

        /* Marshall data and send request */

        CLI_DO_RPC_WERR( cli, mem_ctx, PI_SPOOLSS, SPOOLSS_RRPCN,
                q, r,
                qbuf, rbuf,
                spoolss_io_q_reply_rrpcn,
                spoolss_io_r_reply_rrpcn,
                WERR_GENERAL_FAILURE );

        if (r.unknown0 == 0x00080000)
                DEBUG(8,("cli_spoolss_reply_rrpcn: I think the spooler resonded that the notification was ignored.\n"));
        else if ( r.unknown0 != 0x0 )
                DEBUG(8,("cli_spoolss_reply_rrpcn: unknown0 is non-zero [0x%x]\n", r.unknown0));
        
        result = r.status;
        return result;
}

/*********************************************************************
 *********************************************************************/
 
WERROR rpccli_spoolss_rffpcnex(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
                            POLICY_HND *pol, uint32 flags, uint32 options,
                            const char *localmachine, uint32 printerlocal,
                            SPOOL_NOTIFY_OPTION *option)
{
        prs_struct qbuf, rbuf;
        SPOOL_Q_RFFPCNEX q;
        SPOOL_R_RFFPCNEX r;
        WERROR result = W_ERROR(ERRgeneral);

        ZERO_STRUCT(q);
        ZERO_STRUCT(r);

        /* Initialise input parameters */

        make_spoolss_q_rffpcnex(
                &q, pol, flags, options, localmachine, printerlocal,
                option);

        /* Marshall data and send request */

        CLI_DO_RPC_WERR( cli, mem_ctx, PI_SPOOLSS, SPOOLSS_RFFPCNEX,
                q, r,
                qbuf, rbuf,
                spoolss_io_q_rffpcnex,
                spoolss_io_r_rffpcnex,
                WERR_GENERAL_FAILURE );

        result = r.status;
        return result;
}

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