[GLUE] Rsync SAMBA_3_2_0 SVN r25598 in order to create the v3-2-test branch.
[sfrench/samba-autobuild/.git] / source3 / rpc_server / srv_spoolss_nt.c
index 38d282795602580ebc5b313dea05a50dcec43d3d..11827c223bb19320ec3cc485739b2611e0fa7610 100644 (file)
@@ -10,7 +10,7 @@
  *
  *  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
+ *  the Free Software Foundation; either version 3 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
@@ -19,8 +19,7 @@
  *  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.
+ *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 /* Since the SPOOLSS rpc routines are basically DOS 16-bit calls wrapped
@@ -40,23 +39,6 @@ extern userdom_struct current_user_info;
 #define MAGIC_DISPLAY_FREQUENCY 0xfade2bad
 #define PHANTOM_DEVMODE_KEY "_p_f_a_n_t_0_m_"
 
-
-/* Table to map the driver version */
-/* to OS */
-static const char * drv_ver_to_os[] = {
-       "WIN9X",   /* driver version/cversion 0 */
-       "",        /* unused ? */
-       "WINNT",   /* driver version/cversion 2 */
-       "WIN2K",   /* driver version/cversion 3 */
-};
-
-static const char *get_drv_ver_to_os(int ver)
-{
-       if (ver < 0 || ver > 3)
-               return "";
-       return drv_ver_to_os[ver];
-}
-
 struct table_node {
        const char    *long_archi;
        const char    *short_archi;
@@ -81,11 +63,7 @@ static uint32 smb_connections=0;
 
 /* in printing/nt_printing.c */
 
-extern STANDARD_MAPPING printer_std_mapping, printserver_std_mapping;
-
-#define OUR_HANDLE(hnd) (((hnd)==NULL)?"NULL":(IVAL((hnd)->data5,4)==(uint32)sys_getpid()?"OURS":"OTHER")), \
-((unsigned int)IVAL((hnd)->data5,4)),((unsigned int)sys_getpid())
-
+extern struct standard_mapping printer_std_mapping, printserver_std_mapping;
 
 /* API table for Xcv Monitor functions */
 
@@ -187,7 +165,8 @@ static void srv_spoolss_replycloseprinter(int snum, POLICY_HND *handle)
                cli_shutdown( notify_cli_pipe->cli );
                notify_cli_pipe = NULL; /* The above call shuts downn the pipe also. */
 
-               message_deregister(MSG_PRINTER_NOTIFY2);
+               messaging_deregister(smbd_messaging_context(),
+                                    MSG_PRINTER_NOTIFY2, NULL);
 
                /* Tell the connections db we're no longer interested in
                 * printer notify messages. */
@@ -332,7 +311,8 @@ WERROR delete_printer_hook( NT_USER_TOKEN *token, const char *sharename )
                
        if ( (ret = smbrun(command, NULL)) == 0 ) {
                /* Tell everyone we updated smb.conf. */
-               message_send_all(conn_tdb_ctx(), MSG_SMB_CONF_UPDATED, NULL, 0, False, NULL);
+               message_send_all(smbd_messaging_context(),
+                                MSG_SMB_CONF_UPDATED, NULL, 0, NULL);
        }
                
        if ( is_print_op )
@@ -394,7 +374,8 @@ static WERROR delete_printer_handle(pipes_struct *p, POLICY_HND *hnd)
  Return the snum of a printer corresponding to an handle.
 ****************************************************************************/
 
-static BOOL get_printer_snum(pipes_struct *p, POLICY_HND *hnd, int *number)
+static BOOL get_printer_snum(pipes_struct *p, POLICY_HND *hnd, int *number,
+                            struct share_params **params)
 {
        Printer_entry *Printer = find_printer_index_by_hnd(p, hnd);
                
@@ -458,7 +439,7 @@ static BOOL set_printer_hnd_name(Printer_entry *Printer, char *handlename)
        const char *servername;
        fstring sname;
        BOOL found=False;
-       NT_PRINTER_INFO_LEVEL *printer;
+       NT_PRINTER_INFO_LEVEL *printer = NULL;
        WERROR result;
        
        DEBUG(4,("Setting printer name=%s (len=%lu)\n", handlename, (unsigned long)strlen(handlename)));
@@ -549,6 +530,7 @@ static BOOL set_printer_hnd_name(Printer_entry *Printer, char *handlename)
                printername++;
                
                if ( strequal(printername, aprinter) ) {
+                       free_a_printer( &printer, 2);
                        found = True;
                        break;
                }
@@ -558,6 +540,8 @@ static BOOL set_printer_hnd_name(Printer_entry *Printer, char *handlename)
                free_a_printer( &printer, 2);
        }
 
+       free_a_printer( &printer, 2);
+
        if ( !found ) {
                DEBUGADD(4,("Printer not found\n"));
                return False;
@@ -723,16 +707,27 @@ static void notify_system_time(struct spoolss_notify_msg *msg,
 
        if (!make_systemtime(&systime, gmtime((time_t *)msg->notify.data))) {
                DEBUG(5, ("notify_system_time: unable to make systemtime\n"));
+               prs_mem_free(&ps);
                return;
        }
 
-       if (!spoolss_io_system_time("", &ps, 0, &systime))
+       if (!spoolss_io_system_time("", &ps, 0, &systime)) {
+               prs_mem_free(&ps);
                return;
+       }
 
        data->notify_data.data.length = prs_offset(&ps);
-       data->notify_data.data.string = TALLOC(mem_ctx, prs_offset(&ps));
-
-       prs_copy_all_data_out((char *)data->notify_data.data.string, &ps);
+       if (prs_offset(&ps)) {
+               data->notify_data.data.string = (uint16 *)
+                       TALLOC(mem_ctx, prs_offset(&ps));
+               if (!data->notify_data.data.string) {
+                       prs_mem_free(&ps);
+                       return;
+               }
+               prs_copy_all_data_out((char *)data->notify_data.data.string, &ps);
+       } else {
+               data->notify_data.data.string = NULL;
+       }
 
        prs_mem_free(&ps);
 }
@@ -918,7 +913,8 @@ static int notify_msg_ctr_addmsg( SPOOLSS_NOTIFY_MSG_CTR *ctr, SPOOLSS_NOTIFY_MS
        /* need to allocate own copy of data */
        
        if ( msg->len != 0 ) 
-               msg_grp->msgs[new_slot].notify.data = TALLOC_MEMDUP( ctr->ctx, msg->notify.data, msg->len );
+               msg_grp->msgs[new_slot].notify.data = (char *)
+                       TALLOC_MEMDUP( ctr->ctx, msg->notify.data, msg->len );
        
        return ctr->num_groups;
 }
@@ -977,6 +973,10 @@ static void send_notify2_changes( SPOOLSS_NOTIFY_MSG_CTR *ctr, uint32 idx )
                /* allocate the max entries possible */
                
                data = TALLOC_ARRAY( mem_ctx, SPOOL_NOTIFY_INFO_DATA, msg_group->num_msgs);
+               if (!data) {
+                       return;
+               }
+
                ZERO_STRUCTP(data);
                
                /* build the array of change notifications */
@@ -1070,18 +1070,18 @@ static BOOL notify2_unpack_msg( SPOOLSS_NOTIFY_MSG *msg, struct timeval *tv, voi
 
        /* Unpack message */
 
-       offset += tdb_unpack((char *)buf + offset, len - offset, "f",
+       offset += tdb_unpack((uint8 *)buf + offset, len - offset, "f",
                             msg->printer);
        
-       offset += tdb_unpack((char *)buf + offset, len - offset, "ddddddd",
+       offset += tdb_unpack((uint8 *)buf + offset, len - offset, "ddddddd",
                                &tv_sec, &tv_usec,
                                &msg->type, &msg->field, &msg->id, &msg->len, &msg->flags);
 
        if (msg->len == 0)
-               tdb_unpack((char *)buf + offset, len - offset, "dd",
+               tdb_unpack((uint8 *)buf + offset, len - offset, "dd",
                           &msg->notify.value[0], &msg->notify.value[1]);
        else
-               tdb_unpack((char *)buf + offset, len - offset, "B", 
+               tdb_unpack((uint8 *)buf + offset, len - offset, "B", 
                           &msg->len, &msg->notify.data);
 
        DEBUG(3, ("notify2_unpack_msg: got NOTIFY2 message for printer %s, jobid %u type %d, field 0x%02x, flags 0x%04x\n",
@@ -1094,7 +1094,7 @@ static BOOL notify2_unpack_msg( SPOOLSS_NOTIFY_MSG *msg, struct timeval *tv, voi
                DEBUG(3, ("notify2_unpack_msg: value1 = %d, value2 = %d\n", msg->notify.value[0],
                          msg->notify.value[1]));
        else
-               dump_data(3, msg->notify.data, msg->len);
+               dump_data(3, (uint8 *)msg->notify.data, msg->len);
 
        return True;
 }
@@ -1103,18 +1103,21 @@ static BOOL notify2_unpack_msg( SPOOLSS_NOTIFY_MSG *msg, struct timeval *tv, voi
  Receive a notify2 message list
  ********************************************************************/
 
-static void receive_notify2_message_list(int msg_type, struct process_id src,
-                                        void *msg, size_t len)
+static void receive_notify2_message_list(struct messaging_context *msg,
+                                        void *private_data,
+                                        uint32_t msg_type,
+                                        struct server_id server_id,
+                                        DATA_BLOB *data)
 {
        size_t                  msg_count, i;
-       char                    *buf = (char *)msg;
+       char                    *buf = (char *)data->data;
        char                    *msg_ptr;
        size_t                  msg_len;
        SPOOLSS_NOTIFY_MSG      notify;
        SPOOLSS_NOTIFY_MSG_CTR  messages;
        int                     num_groups;
 
-       if (len < 4) {
+       if (data->length < 4) {
                DEBUG(0,("receive_notify2_message_list: bad message format (len < 4)!\n"));
                return;
        }
@@ -1144,7 +1147,7 @@ static void receive_notify2_message_list(int msg_type, struct process_id src,
        for ( i=0; i<msg_count; i++ ) {
                struct timeval msg_tv;
 
-               if (msg_ptr + 4 - buf > len) {
+               if (msg_ptr + 4 - buf > data->length) {
                        DEBUG(0,("receive_notify2_message_list: bad message format (len > buf_size) !\n"));
                        return;
                }
@@ -1152,7 +1155,7 @@ static void receive_notify2_message_list(int msg_type, struct process_id src,
                msg_len = IVAL(msg_ptr,0);
                msg_ptr += 4;
 
-               if (msg_ptr + msg_len - buf > len) {
+               if (msg_ptr + msg_len - buf > data->length) {
                        DEBUG(0,("receive_notify2_message_list: bad message format (bad len) !\n"));
                        return;
                }
@@ -1205,8 +1208,9 @@ static BOOL srv_spoolss_drv_upgrade_printer(char* drivername)
        DEBUG(10,("srv_spoolss_drv_upgrade_printer: Sending message about driver upgrade [%s]\n",
                drivername));
                
-       message_send_pid(pid_to_procid(sys_getpid()),
-                        MSG_PRINTER_DRVUPGRADE, drivername, len+1, False);
+       messaging_send_buf(smbd_messaging_context(), procid_self(),
+                          MSG_PRINTER_DRVUPGRADE,
+                          (uint8 *)drivername, len+1);
 
        return True;
 }
@@ -1216,14 +1220,19 @@ static BOOL srv_spoolss_drv_upgrade_printer(char* drivername)
  over all printers, upgrading ones as necessary 
  **********************************************************************/
  
-void do_drv_upgrade_printer(int msg_type, struct process_id src, void *buf, size_t len)
+void do_drv_upgrade_printer(struct messaging_context *msg,
+                           void *private_data,
+                           uint32_t msg_type,
+                           struct server_id server_id,
+                           DATA_BLOB *data)
 {
        fstring drivername;
        int snum;
        int n_services = lp_numservices();
+       size_t len;
        
-       len = MIN(len,sizeof(drivername)-1);
-       strncpy(drivername, buf, len);
+       len = MIN(data->length,sizeof(drivername)-1);
+       strncpy(drivername, (const char *)data->data, len);
        
        DEBUG(10,("do_drv_upgrade_printer: Got message for new driver [%s]\n", drivername ));
 
@@ -1302,8 +1311,9 @@ static BOOL srv_spoolss_reset_printerdata(char* drivername)
        DEBUG(10,("srv_spoolss_reset_printerdata: Sending message about resetting printerdata [%s]\n",
                drivername));
                
-       message_send_pid(pid_to_procid(sys_getpid()),
-                        MSG_PRINTERDATA_INIT_RESET, drivername, len+1, False);
+       messaging_send_buf(smbd_messaging_context(), procid_self(),
+                          MSG_PRINTERDATA_INIT_RESET,
+                          (uint8 *)drivername, len+1);
 
        return True;
 }
@@ -1313,15 +1323,19 @@ static BOOL srv_spoolss_reset_printerdata(char* drivername)
  over all printers, resetting printer data as neessary 
  **********************************************************************/
  
-void reset_all_printerdata(int msg_type, struct process_id src,
-                          void *buf, size_t len)
+void reset_all_printerdata(struct messaging_context *msg,
+                          void *private_data,
+                          uint32_t msg_type,
+                          struct server_id server_id,
+                          DATA_BLOB *data)
 {
        fstring drivername;
        int snum;
        int n_services = lp_numservices();
+       size_t len;
        
-       len = MIN( len, sizeof(drivername)-1 );
-       strncpy( drivername, buf, len );
+       len = MIN( data->length, sizeof(drivername)-1 );
+       strncpy( drivername, (const char *)data->data, len );
        
        DEBUG(10,("reset_all_printerdata: Got message for new driver [%s]\n", drivername ));
 
@@ -1384,7 +1398,7 @@ static DEVICEMODE* dup_devicemode(TALLOC_CTX *ctx, DEVICEMODE *devmode)
        
        /* bulk copy first */
        
-       d = TALLOC_MEMDUP(ctx, devmode, sizeof(DEVICEMODE));
+       d = (DEVICEMODE *)TALLOC_MEMDUP(ctx, devmode, sizeof(DEVICEMODE));
        if (!d)
                return NULL;
                
@@ -1393,6 +1407,9 @@ static DEVICEMODE* dup_devicemode(TALLOC_CTX *ctx, DEVICEMODE *devmode)
        len = unistrlen(devmode->devicename.buffer);
        if (len != -1) {
                d->devicename.buffer = TALLOC_ARRAY(ctx, uint16, len);
+               if (!d->devicename.buffer) {
+                       return NULL;
+               }
                if (unistrcpy(d->devicename.buffer, devmode->devicename.buffer) != len)
                        return NULL;
        }
@@ -1401,12 +1418,22 @@ static DEVICEMODE* dup_devicemode(TALLOC_CTX *ctx, DEVICEMODE *devmode)
        len = unistrlen(devmode->formname.buffer);
        if (len != -1) {
                d->devicename.buffer = TALLOC_ARRAY(ctx, uint16, len);
+               if (!d->devicename.buffer) {
+                       return NULL;
+               }
                if (unistrcpy(d->formname.buffer, devmode->formname.buffer) != len)
                        return NULL;
        }
 
-       d->dev_private = TALLOC_MEMDUP(ctx, devmode->dev_private, devmode->driverextra);
-       
+       if (devmode->driverextra) {
+               d->dev_private = (uint8 *)TALLOC_MEMDUP(ctx, devmode->dev_private,
+                                               devmode->driverextra);
+               if (!d->dev_private) {
+                       return NULL;
+               }       
+       } else {
+               d->dev_private = NULL;
+       }
        return d;
 }
 
@@ -1507,7 +1534,6 @@ WERROR _spoolss_open_printer_ex( pipes_struct *p, SPOOL_Q_OPEN_PRINTER_EX *q_u,
 
        fstring name;
        int snum;
-       struct current_user user;
        Printer_entry *Printer=NULL;
 
        if ( !q_u->printername )
@@ -1516,7 +1542,7 @@ WERROR _spoolss_open_printer_ex( pipes_struct *p, SPOOL_Q_OPEN_PRINTER_EX *q_u,
        /* some sanity check because you can open a printer or a print server */
        /* aka: \\server\printer or \\server */
 
-       unistr2_to_ascii(name, q_u->printername, sizeof(name)-1);
+       unistr2_to_ascii(name, q_u->printername, sizeof(name));
 
        DEBUGADD(3,("checking name: %s\n",name));
 
@@ -1531,8 +1557,6 @@ WERROR _spoolss_open_printer_ex( pipes_struct *p, SPOOL_Q_OPEN_PRINTER_EX *q_u,
                return WERR_INVALID_PRINTER_NAME;
        }
 
-       get_current_user(&user, p);
-
        /*
         * First case: the user is opening the print server:
         *
@@ -1597,12 +1621,12 @@ WERROR _spoolss_open_printer_ex( pipes_struct *p, SPOOL_Q_OPEN_PRINTER_EX *q_u,
                        /* if the user is not root, doesn't have SE_PRINT_OPERATOR privilege,
                           and not a printer admin, then fail */
                        
-                       if ((user.ut.uid != 0) &&
-                           !user_has_privileges(user.nt_user_token,
+                       if ((p->pipe_user.ut.uid != 0) &&
+                           !user_has_privileges(p->pipe_user.nt_user_token,
                                                 &se_printop ) &&
                            !token_contains_name_in_list(
-                                   uidtoname(user.ut.uid), NULL,
-                                   user.nt_user_token,
+                                   uidtoname(p->pipe_user.ut.uid), NULL,
+                                   p->pipe_user.nt_user_token,
                                    lp_printer_admin(snum))) {
                                close_printer_handle(p, handle);
                                return WERR_ACCESS_DENIED;
@@ -1625,7 +1649,7 @@ WERROR _spoolss_open_printer_ex( pipes_struct *p, SPOOL_Q_OPEN_PRINTER_EX *q_u,
                /* NT doesn't let us connect to a printer if the connecting user
                   doesn't have print permission.  */
 
-               if (!get_printer_snum(p, handle, &snum)) {
+               if (!get_printer_snum(p, handle, &snum, NULL)) {
                        close_printer_handle(p, handle);
                        return WERR_BADFID;
                }
@@ -1655,9 +1679,9 @@ WERROR _spoolss_open_printer_ex( pipes_struct *p, SPOOL_Q_OPEN_PRINTER_EX *q_u,
                        return WERR_ACCESS_DENIED;
                }
 
-               if (!user_ok_token(uidtoname(user.ut.uid), user.nt_user_token,
-                                  snum) ||
-                   !print_access_check(&user, snum,
+               if (!user_ok_token(uidtoname(p->pipe_user.ut.uid),
+                                  p->pipe_user.nt_user_token, snum) ||
+                   !print_access_check(&p->pipe_user, snum,
                                        printer_default->access_required)) {
                        DEBUG(3, ("access DENIED for printer open\n"));
                        close_printer_handle(p, handle);
@@ -1852,7 +1876,7 @@ static WERROR _spoolss_enddocprinter_internal(pipes_struct *p, POLICY_HND *handl
                return WERR_BADFID;
        }
        
-       if (!get_printer_snum(p, handle, &snum))
+       if (!get_printer_snum(p, handle, &snum, NULL))
                return WERR_BADFID;
 
        Printer->document_started=False;
@@ -1951,26 +1975,23 @@ WERROR _spoolss_deleteprinterdriver(pipes_struct *p, SPOOL_Q_DELETEPRINTERDRIVER
        NT_PRINTER_DRIVER_INFO_LEVEL    info;
        NT_PRINTER_DRIVER_INFO_LEVEL    info_win2k;
        int                             version;
-       struct current_user             user;
        WERROR                          status;
        WERROR                          status_win2k = WERR_ACCESS_DENIED;
        SE_PRIV                         se_printop = SE_PRINT_OPERATOR; 
        
-       get_current_user(&user, p);
-        
        /* if the user is not root, doesn't have SE_PRINT_OPERATOR privilege,
           and not a printer admin, then fail */
                        
-       if ( (user.ut.uid != 0) 
-               && !user_has_privileges(user.nt_user_token, &se_printop ) 
-               && !token_contains_name_in_list( uidtoname(user.ut.uid), 
-                   NULL, user.nt_user_token, lp_printer_admin(-1)) ) 
+       if ( (p->pipe_user.ut.uid != 0) 
+               && !user_has_privileges(p->pipe_user.nt_user_token, &se_printop ) 
+               && !token_contains_name_in_list( uidtoname(p->pipe_user.ut.uid), 
+                   NULL, p->pipe_user.nt_user_token, lp_printer_admin(-1)) ) 
        {
                return WERR_ACCESS_DENIED;
        }
 
-       unistr2_to_ascii(driver, &q_u->driver, sizeof(driver)-1 );
-       unistr2_to_ascii(arch,   &q_u->arch,   sizeof(arch)-1   );
+       unistr2_to_ascii(driver, &q_u->driver, sizeof(driver));
+       unistr2_to_ascii(arch,   &q_u->arch,   sizeof(arch));
        
        /* check that we have a valid driver name first */
        
@@ -2011,7 +2032,7 @@ WERROR _spoolss_deleteprinterdriver(pipes_struct *p, SPOOL_Q_DELETEPRINTERDRIVER
                        /* if we get to here, we now have 2 driver info structures to remove */
                        /* remove the Win2k driver first*/
                
-                       status_win2k = delete_printer_driver(info_win2k.info_3, &user, 3, False );
+                       status_win2k = delete_printer_driver(info_win2k.info_3, &p->pipe_user, 3, False );
                        free_a_printer_driver( info_win2k, 3 );
                
                        /* this should not have failed---if it did, report to client */
@@ -2023,7 +2044,7 @@ WERROR _spoolss_deleteprinterdriver(pipes_struct *p, SPOOL_Q_DELETEPRINTERDRIVER
                }
        }
        
-       status = delete_printer_driver(info.info_3, &user, version, False);
+       status = delete_printer_driver(info.info_3, &p->pipe_user, version, False);
        
        /* if at least one of the deletes succeeded return OK */
        
@@ -2049,26 +2070,23 @@ WERROR _spoolss_deleteprinterdriverex(pipes_struct *p, SPOOL_Q_DELETEPRINTERDRIV
        int                             version;
        uint32                          flags = q_u->delete_flags;
        BOOL                            delete_files;
-       struct current_user             user;
        WERROR                          status;
        WERROR                          status_win2k = WERR_ACCESS_DENIED;
        SE_PRIV                         se_printop = SE_PRINT_OPERATOR; 
        
-       get_current_user(&user, p);
-       
        /* if the user is not root, doesn't have SE_PRINT_OPERATOR privilege,
           and not a printer admin, then fail */
                        
-       if ( (user.ut.uid != 0) 
-               && !user_has_privileges(user.nt_user_token, &se_printop ) 
-               && !token_contains_name_in_list( uidtoname(user.ut.uid), 
-                   NULL, user.nt_user_token, lp_printer_admin(-1)) ) 
+       if ( (p->pipe_user.ut.uid != 0) 
+               && !user_has_privileges(p->pipe_user.nt_user_token, &se_printop ) 
+               && !token_contains_name_in_list( uidtoname(p->pipe_user.ut.uid), 
+                   NULL, p->pipe_user.nt_user_token, lp_printer_admin(-1)) ) 
        {
                return WERR_ACCESS_DENIED;
        }
        
-       unistr2_to_ascii(driver, &q_u->driver, sizeof(driver)-1 );
-       unistr2_to_ascii(arch,   &q_u->arch,   sizeof(arch)-1   );
+       unistr2_to_ascii(driver, &q_u->driver, sizeof(driver));
+       unistr2_to_ascii(arch,   &q_u->arch,   sizeof(arch));
 
        /* check that we have a valid driver name first */
        if ((version=get_version_id(arch)) == -1) {
@@ -2148,7 +2166,7 @@ WERROR _spoolss_deleteprinterdriverex(pipes_struct *p, SPOOL_Q_DELETEPRINTERDRIV
                        /* if we get to here, we now have 2 driver info structures to remove */
                        /* remove the Win2k driver first*/
                
-                       status_win2k = delete_printer_driver(info_win2k.info_3, &user, 3, delete_files);
+                       status_win2k = delete_printer_driver(info_win2k.info_3, &p->pipe_user, 3, delete_files);
                        free_a_printer_driver( info_win2k, 3 );
                                
                        /* this should not have failed---if it did, report to client */
@@ -2158,7 +2176,7 @@ WERROR _spoolss_deleteprinterdriverex(pipes_struct *p, SPOOL_Q_DELETEPRINTERDRIV
                }
        }
 
-       status = delete_printer_driver(info.info_3, &user, version, delete_files);
+       status = delete_printer_driver(info.info_3, &p->pipe_user, version, delete_files);
 
        if ( W_ERROR_IS_OK(status) || W_ERROR_IS_OK(status_win2k) )
                status = WERR_OK;
@@ -2250,6 +2268,7 @@ static WERROR getprinterdata_printer_server(TALLOC_CTX *ctx, fstring value, uint
                *type = REG_DWORD;
                if ( !(*data = TALLOC_ARRAY(ctx, uint8, sizeof(uint32) )) )
                        return WERR_NOMEM;
+               SIVAL(*data, 0, 0x00);
                *needed = 0x4;
                return WERR_OK;
        }
@@ -2444,13 +2463,13 @@ WERROR _spoolss_getprinterdata(pipes_struct *p, SPOOL_Q_GETPRINTERDATA *q_u, SPO
                goto done;
        }
        
-       unistr2_to_ascii(value, valuename, sizeof(value)-1);
+       unistr2_to_ascii(value, valuename, sizeof(value));
        
        if ( Printer->printer_type == SPLHND_SERVER )
                status = getprinterdata_printer_server( p->mem_ctx, value, type, data, needed, *out_size );
        else
        {
-               if ( !get_printer_snum(p,handle, &snum) ) {
+               if ( !get_printer_snum(p,handle, &snum, NULL) ) {
                        status = WERR_BADFID;
                        goto done;
                }
@@ -2490,9 +2509,8 @@ done:
                                if ( printer ) 
                                        free_a_printer( &printer, 2 );
                                return WERR_NOMEM;
-               } 
-               } 
-               else {
+                       } 
+               } else {
                        *data = NULL;
                }
        }
@@ -2594,7 +2612,9 @@ static BOOL srv_spoolss_replyopenprinter(int snum, const char *printer,
                if ( !spoolss_connect_to_client( &notify_cli_pipe, client_ip, unix_printer ))
                        return False;
                        
-               message_register(MSG_PRINTER_NOTIFY2, receive_notify2_message_list);
+               messaging_register(smbd_messaging_context(), NULL,
+                                  MSG_PRINTER_NOTIFY2,
+                                  receive_notify2_message_list);
                /* Tell the connections db we're now interested in printer
                 * notify messages. */
                register_message_flags( True, FLAG_MSG_PRINT_NOTIFY );
@@ -2661,14 +2681,14 @@ WERROR _spoolss_rffpcnex(pipes_struct *p, SPOOL_Q_RFFPCNEX *q_u, SPOOL_R_RFFPCNE
        Printer->notify.option=dup_spool_notify_option(option);
 
        unistr2_to_ascii(Printer->notify.localmachine, localmachine, 
-                      sizeof(Printer->notify.localmachine)-1);
+                      sizeof(Printer->notify.localmachine));
 
        /* Connect to the client machine and send a ReplyOpenPrinter */
 
        if ( Printer->printer_type == SPLHND_SERVER)
                snum = -1;
        else if ( (Printer->printer_type == SPLHND_PRINTER) &&
-                       !get_printer_snum(p, handle, &snum) )
+                       !get_printer_snum(p, handle, &snum, NULL) )
                return WERR_BADFID;
                
        client_ip.s_addr = inet_addr(p->conn->client_address);
@@ -2699,14 +2719,17 @@ void spoolss_notify_server_name(int snum,
        len = rpcstr_push(temp, printer->info_2->servername, sizeof(temp)-2, STR_TERMINATE);
 
        data->notify_data.data.length = len;
-       data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
-
-       if (!data->notify_data.data.string) {
-               data->notify_data.data.length = 0;
-               return;
-       }
+       if (len) {
+               data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
+               if (!data->notify_data.data.string) {
+                       data->notify_data.data.length = 0;
+                       return;
+               }
        
-       memcpy(data->notify_data.data.string, temp, len);
+               memcpy(data->notify_data.data.string, temp, len);
+       } else {
+               data->notify_data.data.string = NULL;
+       }
 }
 
 /*******************************************************************
@@ -2734,14 +2757,16 @@ void spoolss_notify_printer_name(int snum,
        len = rpcstr_push(temp, p, sizeof(temp)-2, STR_TERMINATE);
 
        data->notify_data.data.length = len;
-       data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
-       
-       if (!data->notify_data.data.string) {
-               data->notify_data.data.length = 0;
-               return;
+       if (len) {
+               data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
+               if (!data->notify_data.data.string) {
+                       data->notify_data.data.length = 0;
+                       return;
+               }
+               memcpy(data->notify_data.data.string, temp, len);
+       } else {
+               data->notify_data.data.string = NULL;
        }
-       
-       memcpy(data->notify_data.data.string, temp, len);
 }
 
 /*******************************************************************
@@ -2760,14 +2785,17 @@ void spoolss_notify_share_name(int snum,
        len = rpcstr_push(temp, lp_servicename(snum), sizeof(temp)-2, STR_TERMINATE);
 
        data->notify_data.data.length = len;
-       data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
-       
-       if (!data->notify_data.data.string) {
-               data->notify_data.data.length = 0;
-               return;
+       if (len) {
+               data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
+               if (!data->notify_data.data.string) {
+                       data->notify_data.data.length = 0;
+                       return;
+               }
+               memcpy(data->notify_data.data.string, temp, len);
+       } else {
+               data->notify_data.data.string = NULL;
        }
        
-       memcpy(data->notify_data.data.string, temp, len);
 }
 
 /*******************************************************************
@@ -2788,14 +2816,18 @@ void spoolss_notify_port_name(int snum,
        len = rpcstr_push(temp, printer->info_2->portname, sizeof(temp)-2, STR_TERMINATE);
 
        data->notify_data.data.length = len;
-       data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
+       if (len) {
+               data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
        
-       if (!data->notify_data.data.string) {
-               data->notify_data.data.length = 0;
-               return;
-       }
+               if (!data->notify_data.data.string) {
+                       data->notify_data.data.length = 0;
+                       return;
+               }
        
-       memcpy(data->notify_data.data.string, temp, len);
+               memcpy(data->notify_data.data.string, temp, len);
+       } else {
+               data->notify_data.data.string = NULL;
+       }
 }
 
 /*******************************************************************
@@ -2815,14 +2847,18 @@ void spoolss_notify_driver_name(int snum,
        len = rpcstr_push(temp, printer->info_2->drivername, sizeof(temp)-2, STR_TERMINATE);
 
        data->notify_data.data.length = len;
-       data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
+       if (len) {
+               data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
        
-       if (!data->notify_data.data.string) {
-               data->notify_data.data.length = 0;
-               return;
-       }
+               if (!data->notify_data.data.string) {
+                       data->notify_data.data.length = 0;
+                       return;
+               }
        
-       memcpy(data->notify_data.data.string, temp, len);
+               memcpy(data->notify_data.data.string, temp, len);
+       } else {
+               data->notify_data.data.string = NULL;
+       }
 }
 
 /*******************************************************************
@@ -2844,14 +2880,18 @@ void spoolss_notify_comment(int snum,
                len = rpcstr_push(temp, printer->info_2->comment, sizeof(temp)-2, STR_TERMINATE);
 
        data->notify_data.data.length = len;
-       data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
+       if (len) {
+               data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
        
-       if (!data->notify_data.data.string) {
-               data->notify_data.data.length = 0;
-               return;
-       }
+               if (!data->notify_data.data.string) {
+                       data->notify_data.data.length = 0;
+                       return;
+               }
        
-       memcpy(data->notify_data.data.string, temp, len);
+               memcpy(data->notify_data.data.string, temp, len);
+       } else {
+               data->notify_data.data.string = NULL;
+       }
 }
 
 /*******************************************************************
@@ -2871,14 +2911,18 @@ void spoolss_notify_location(int snum,
        len = rpcstr_push(temp, printer->info_2->location,sizeof(temp)-2, STR_TERMINATE);
 
        data->notify_data.data.length = len;
-       data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
+       if (len) {
+               data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
        
-       if (!data->notify_data.data.string) {
-               data->notify_data.data.length = 0;
-               return;
-       }
+               if (!data->notify_data.data.string) {
+                       data->notify_data.data.length = 0;
+                       return;
+               }
        
-       memcpy(data->notify_data.data.string, temp, len);
+               memcpy(data->notify_data.data.string, temp, len);
+       } else {
+               data->notify_data.data.string = NULL;
+       }
 }
 
 /*******************************************************************
@@ -2892,6 +2936,9 @@ static void spoolss_notify_devmode(int snum,
                                   NT_PRINTER_INFO_LEVEL *printer,
                                   TALLOC_CTX *mem_ctx)
 {
+       /* for a dummy implementation we have to zero the fields */
+       data->notify_data.data.length = 0;
+       data->notify_data.data.string = NULL;
 }
 
 /*******************************************************************
@@ -2910,14 +2957,18 @@ void spoolss_notify_sepfile(int snum,
        len = rpcstr_push(temp, printer->info_2->sepfile, sizeof(temp)-2, STR_TERMINATE);
 
        data->notify_data.data.length = len;
-       data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
+       if (len) {
+               data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
        
-       if (!data->notify_data.data.string) {
-               data->notify_data.data.length = 0;
-               return;
-       }
+               if (!data->notify_data.data.string) {
+                       data->notify_data.data.length = 0;
+                       return;
+               }
        
-       memcpy(data->notify_data.data.string, temp, len);
+               memcpy(data->notify_data.data.string, temp, len);
+       } else {
+               data->notify_data.data.string = NULL;
+       }
 }
 
 /*******************************************************************
@@ -2937,14 +2988,18 @@ void spoolss_notify_print_processor(int snum,
        len = rpcstr_push(temp,  printer->info_2->printprocessor, sizeof(temp)-2, STR_TERMINATE);
 
        data->notify_data.data.length = len;
-       data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
+       if (len) {
+               data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
        
-       if (!data->notify_data.data.string) {
-               data->notify_data.data.length = 0;
-               return;
-       }
+               if (!data->notify_data.data.string) {
+                       data->notify_data.data.length = 0;
+                       return;
+               }
        
-       memcpy(data->notify_data.data.string, temp, len);
+               memcpy(data->notify_data.data.string, temp, len);
+       } else {
+               data->notify_data.data.string = NULL;
+       }
 }
 
 /*******************************************************************
@@ -2964,14 +3019,18 @@ void spoolss_notify_parameters(int snum,
        len = rpcstr_push(temp,  printer->info_2->parameters, sizeof(temp)-2, STR_TERMINATE);
 
        data->notify_data.data.length = len;
-       data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
+       if (len) {
+               data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
        
-       if (!data->notify_data.data.string) {
-               data->notify_data.data.length = 0;
-               return;
-       }
+               if (!data->notify_data.data.string) {
+                       data->notify_data.data.length = 0;
+                       return;
+               }
        
-       memcpy(data->notify_data.data.string, temp, len);
+               memcpy(data->notify_data.data.string, temp, len);
+       } else {
+               data->notify_data.data.string = NULL;
+       }
 }
 
 /*******************************************************************
@@ -2991,14 +3050,18 @@ void spoolss_notify_datatype(int snum,
        len = rpcstr_push(temp, printer->info_2->datatype, sizeof(pstring)-2, STR_TERMINATE);
 
        data->notify_data.data.length = len;
-       data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
+       if (len) {
+               data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
        
-       if (!data->notify_data.data.string) {
-               data->notify_data.data.length = 0;
-               return;
-       }
+               if (!data->notify_data.data.string) {
+                       data->notify_data.data.length = 0;
+                       return;
+               }
        
-       memcpy(data->notify_data.data.string, temp, len);
+               memcpy(data->notify_data.data.string, temp, len);
+       } else {
+               data->notify_data.data.string = NULL;
+       }
 }
 
 /*******************************************************************
@@ -3013,8 +3076,8 @@ static void spoolss_notify_security_desc(int snum,
                                         NT_PRINTER_INFO_LEVEL *printer,
                                         TALLOC_CTX *mem_ctx)
 {
-       data->notify_data.sd.size = printer->info_2->secdesc_buf->len;
-       data->notify_data.sd.desc = dup_sec_desc( mem_ctx, printer->info_2->secdesc_buf->sec ) ;
+       data->notify_data.sd.size = printer->info_2->secdesc_buf->sd_size;
+       data->notify_data.sd.desc = dup_sec_desc( mem_ctx, printer->info_2->secdesc_buf->sd ) ;
 }
 
 /*******************************************************************
@@ -3151,14 +3214,18 @@ static void spoolss_notify_username(int snum,
        len = rpcstr_push(temp, queue->fs_user, sizeof(temp)-2, STR_TERMINATE);
 
        data->notify_data.data.length = len;
-       data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
+       if (len) {
+               data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
        
-       if (!data->notify_data.data.string) {
-               data->notify_data.data.length = 0;
-               return;
-       }
+               if (!data->notify_data.data.string) {
+                       data->notify_data.data.length = 0;
+                       return;
+               }
        
-       memcpy(data->notify_data.data.string, temp, len);
+               memcpy(data->notify_data.data.string, temp, len);
+       } else {
+               data->notify_data.data.string = NULL;
+       }
 }
 
 /*******************************************************************
@@ -3191,14 +3258,18 @@ static void spoolss_notify_job_name(int snum,
        len = rpcstr_push(temp, queue->fs_file, sizeof(temp)-2, STR_TERMINATE);
 
        data->notify_data.data.length = len;
-       data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
+       if (len) {
+               data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
        
-       if (!data->notify_data.data.string) {
-               data->notify_data.data.length = 0;
-               return;
-       }
+               if (!data->notify_data.data.string) {
+                       data->notify_data.data.length = 0;
+                       return;
+               }
        
-       memcpy(data->notify_data.data.string, temp, len);
+               memcpy(data->notify_data.data.string, temp, len);
+       } else {
+               data->notify_data.data.string = NULL;
+       }
 }
 
 /*******************************************************************
@@ -3241,14 +3312,18 @@ static void spoolss_notify_job_status_string(int snum,
        len = rpcstr_push(temp, p, sizeof(temp) - 2, STR_TERMINATE);
 
        data->notify_data.data.length = len;
-       data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
+       if (len) {
+               data->notify_data.data.string = (uint16 *)TALLOC(mem_ctx, len);
        
-       if (!data->notify_data.data.string) {
-               data->notify_data.data.length = 0;
-               return;
-       }
+               if (!data->notify_data.data.string) {
+                       data->notify_data.data.length = 0;
+                       return;
+               }
        
-       memcpy(data->notify_data.data.string, temp, len);
+               memcpy(data->notify_data.data.string, temp, len);
+       } else {
+               data->notify_data.data.string = NULL;
+       }
 }
 
 /*******************************************************************
@@ -3558,6 +3633,7 @@ static BOOL construct_notify_printer_info(Printer_entry *print_hnd, SPOOL_NOTIFY
 
                if((info->data=SMB_REALLOC_ARRAY(info->data, SPOOL_NOTIFY_INFO_DATA, info->count+1)) == NULL) {
                        DEBUG(2,("construct_notify_printer_info: failed to enlarge buffer info->data!\n"));
+                       free_a_printer(&printer, 2);
                        return False;
                }
 
@@ -3752,7 +3828,7 @@ static WERROR printer_notify_info(pipes_struct *p, POLICY_HND *hnd, SPOOL_NOTIFY
        if ( !option )
                return WERR_BADFID;
 
-       get_printer_snum(p, hnd, &snum);
+       get_printer_snum(p, hnd, &snum, NULL);
 
        for (i=0; i<option->count; i++) {
                option_type=&option->ctr.type[i];
@@ -4071,7 +4147,7 @@ static BOOL convert_nt_devicemode( DEVICEMODE *devmode, NT_DEVICEMODE *ntdevmode
  Create a DEVMODE struct. Returns malloced memory.
 ****************************************************************************/
 
-DEVICEMODE *construct_dev_mode(int snum)
+DEVICEMODE *construct_dev_mode(const char *servicename)
 {
        NT_PRINTER_INFO_LEVEL   *printer = NULL;
        DEVICEMODE              *devmode = NULL;
@@ -4080,7 +4156,7 @@ DEVICEMODE *construct_dev_mode(int snum)
        
        DEBUGADD(8,("getting printer characteristics\n"));
 
-       if (!W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, lp_const_servicename(snum)))) 
+       if (!W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, servicename))) 
                return NULL;
 
        if ( !printer->info_2->devmode ) {
@@ -4152,19 +4228,20 @@ static BOOL construct_printer_info_2(Printer_entry *print_hnd, PRINTER_INFO_2 *p
        printer->cjobs = count;                                                 /* jobs */
        printer->averageppm = ntprinter->info_2->averageppm;                    /* average pages per minute */
                        
-       if ( !(printer->devmode = construct_dev_mode(snum)) )
+       if ( !(printer->devmode = construct_dev_mode(
+                      lp_const_servicename(snum))) )
                DEBUG(8, ("Returning NULL Devicemode!\n"));
 
        printer->secdesc = NULL;
 
        if ( ntprinter->info_2->secdesc_buf 
-               && ntprinter->info_2->secdesc_buf->len != 0 ) 
+               && ntprinter->info_2->secdesc_buf->sd_size != 0 ) 
        {
                /* don't use talloc_steal() here unless you do a deep steal of all 
                   the SEC_DESC members */
 
-               printer->secdesc = dup_sec_desc( get_talloc_ctx(), 
-                       ntprinter->info_2->secdesc_buf->sec );
+               printer->secdesc = dup_sec_desc( talloc_tos(),
+                       ntprinter->info_2->secdesc_buf->sd );
        }
 
        free_a_printer(&ntprinter, 2);
@@ -4188,6 +4265,7 @@ static BOOL construct_printer_info_3(Printer_entry *print_hnd, PRINTER_INFO_3 **
        *pp_printer = NULL;
        if ((printer = SMB_MALLOC_P(PRINTER_INFO_3)) == NULL) {
                DEBUG(2,("construct_printer_info_3: malloc fail.\n"));
+               free_a_printer(&ntprinter, 2);
                return False;
        }
 
@@ -4195,14 +4273,12 @@ static BOOL construct_printer_info_3(Printer_entry *print_hnd, PRINTER_INFO_3 **
        
        /* These are the components of the SD we are returning. */
 
-       printer->flags = 0x4; 
-
-       if (ntprinter->info_2->secdesc_buf && ntprinter->info_2->secdesc_buf->len != 0) {
+       if (ntprinter->info_2->secdesc_buf && ntprinter->info_2->secdesc_buf->sd_size != 0) {
                /* don't use talloc_steal() here unless you do a deep steal of all 
                   the SEC_DESC members */
 
-               printer->secdesc = dup_sec_desc( get_talloc_ctx(), 
-                       ntprinter->info_2->secdesc_buf->sec );
+               printer->secdesc = dup_sec_desc( talloc_tos(),
+                       ntprinter->info_2->secdesc_buf->sd );
        }
 
        free_a_printer(&ntprinter, 2);
@@ -4257,6 +4333,32 @@ static BOOL construct_printer_info_5(Printer_entry *print_hnd, PRINTER_INFO_5 *p
        return True;
 }
 
+/********************************************************************
+ * construct_printer_info_6
+ * fill a printer_info_6 struct
+ ********************************************************************/
+
+static BOOL construct_printer_info_6(Printer_entry *print_hnd,
+                                    PRINTER_INFO_6 *printer,
+                                    int snum)
+{
+       NT_PRINTER_INFO_LEVEL *ntprinter = NULL;
+       int count;
+       print_status_struct status;
+
+       if (!W_ERROR_IS_OK(get_a_printer(print_hnd, &ntprinter, 2,
+                                        lp_const_servicename(snum))))
+               return False;
+
+       count = print_queue_length(snum, &status);
+
+       printer->status = nt_printq_status(status.status);
+               
+       free_a_printer(&ntprinter, 2);
+
+       return True;
+}
+
 /********************************************************************
  * construct_printer_info_7
  * fill a printer_info_7 struct
@@ -4265,7 +4367,7 @@ static BOOL construct_printer_info_5(Printer_entry *print_hnd, PRINTER_INFO_5 *p
 static BOOL construct_printer_info_7(Printer_entry *print_hnd, PRINTER_INFO_7 *printer, int snum)
 {
        char *guid_str = NULL;
-       struct uuid guid; 
+       struct GUID guid; 
        
        if (is_printer_published(print_hnd, snum, &guid)) {
                asprintf(&guid_str, "{%s}", smb_uuid_string_static(guid));
@@ -4621,7 +4723,7 @@ WERROR _spoolss_enumprinters( pipes_struct *p, SPOOL_Q_ENUMPRINTERS *q_u, SPOOL_
        
        /* that's an [in out] buffer */
 
-       if (!q_u->buffer) {
+       if (!q_u->buffer && (offered!=0)) {
                return WERR_INVALID_PARAM;
        }
 
@@ -4646,7 +4748,7 @@ WERROR _spoolss_enumprinters( pipes_struct *p, SPOOL_Q_ENUMPRINTERS *q_u, SPOOL_
         * Level 5: same as Level 2
         */
 
-       unistr2_to_ascii(name, servername, sizeof(name)-1);
+       unistr2_to_ascii(name, servername, sizeof(name));
        strupper_m(name);
 
        switch (level) {
@@ -4885,6 +4987,46 @@ out:
        return result;  
 }
 
+static WERROR getprinter_level_6(Printer_entry *print_hnd,
+                                int snum,
+                                RPC_BUFFER *buffer, uint32 offered,
+                                uint32 *needed)
+{
+       PRINTER_INFO_6 *printer;
+       WERROR result = WERR_OK;
+
+       if ((printer = SMB_MALLOC_P(PRINTER_INFO_6)) == NULL) {
+               return WERR_NOMEM;
+       }
+
+       if (!construct_printer_info_6(print_hnd, printer, snum)) {
+               free_printer_info_6(printer);
+               return WERR_NOMEM;
+       }
+
+       /* check the required size. */
+       *needed += spoolss_size_printer_info_6(printer);
+
+       if (*needed > offered) {
+               result = WERR_INSUFFICIENT_BUFFER;
+               goto out;
+       }
+
+       if (!rpcbuf_alloc_size(buffer, *needed)) {
+               result = WERR_NOMEM;
+               goto out;
+       }
+
+       /* fill the buffer with the structures */
+       smb_io_printer_info_6("", buffer, printer, 0);  
+       
+out:
+       /* clear memory */
+       free_printer_info_6(printer);
+       
+       return result;  
+}
+
 static WERROR getprinter_level_7(Printer_entry *print_hnd, int snum, RPC_BUFFER *buffer, uint32 offered, uint32 *needed)
 {
        PRINTER_INFO_7 *printer=NULL;
@@ -4936,7 +5078,7 @@ WERROR _spoolss_getprinter(pipes_struct *p, SPOOL_Q_GETPRINTER *q_u, SPOOL_R_GET
 
        /* that's an [in out] buffer */
 
-       if (!q_u->buffer) {
+       if (!q_u->buffer && (offered!=0)) {
                return WERR_INVALID_PARAM;
        }
 
@@ -4945,7 +5087,7 @@ WERROR _spoolss_getprinter(pipes_struct *p, SPOOL_Q_GETPRINTER *q_u, SPOOL_R_GET
 
        *needed=0;
 
-       if (!get_printer_snum(p, handle, &snum))
+       if (!get_printer_snum(p, handle, &snum, NULL))
                return WERR_BADFID;
 
        switch (level) {
@@ -4961,6 +5103,8 @@ WERROR _spoolss_getprinter(pipes_struct *p, SPOOL_Q_GETPRINTER *q_u, SPOOL_R_GET
                return getprinter_level_4(Printer, snum, buffer, offered, needed);
        case 5:         
                return getprinter_level_5(Printer, snum, buffer, offered, needed);
+       case 6:         
+               return getprinter_level_6(Printer, snum, buffer, offered, needed);
        case 7:
                return getprinter_level_7(Printer, snum, buffer, offered, needed);
        }
@@ -4990,8 +5134,10 @@ static WERROR construct_printer_driver_info_1(DRIVER_INFO_1 *info, int snum, fst
        if (!W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, lp_const_servicename(snum))))
                return WERR_INVALID_PRINTER_NAME;
 
-       if (!W_ERROR_IS_OK(get_a_printer_driver(&driver, 3, printer->info_2->drivername, architecture, version)))
+       if (!W_ERROR_IS_OK(get_a_printer_driver(&driver, 3, printer->info_2->drivername, architecture, version))) {
+               free_a_printer(&printer, 2);
                return WERR_UNKNOWN_PRINTER_DRIVER;
+       }
 
        fill_printer_driver_info_1(info, driver, servername, architecture);
 
@@ -5050,8 +5196,10 @@ static WERROR construct_printer_driver_info_2(DRIVER_INFO_2 *info, int snum, fst
        if (!W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, lp_const_servicename(snum))))
                return WERR_INVALID_PRINTER_NAME;
 
-       if (!W_ERROR_IS_OK(get_a_printer_driver(&driver, 3, printer->info_2->drivername, architecture, version)))
+       if (!W_ERROR_IS_OK(get_a_printer_driver(&driver, 3, printer->info_2->drivername, architecture, version))) {
+               free_a_printer(&printer, 2);
                return WERR_UNKNOWN_PRINTER_DRIVER;
+       }
 
        fill_printer_driver_info_2(info, driver, servername);
 
@@ -5282,8 +5430,7 @@ static void fill_printer_driver_info_6(DRIVER_INFO_6 *info, NT_PRINTER_DRIVER_IN
        info->previousdrivernames=NULL;
        init_unistr_array(&info->previousdrivernames, &nullstr, servername);
 
-       info->driver_date.low=0;
-       info->driver_date.high=0;
+       info->driver_date=0;
 
        info->padding=0;
        info->driver_version_low=0;
@@ -5535,7 +5682,7 @@ WERROR _spoolss_getprinterdriver2(pipes_struct *p, SPOOL_Q_GETPRINTERDRIVER2 *q_
 
        /* that's an [in out] buffer */
 
-       if (!q_u->buffer) {
+       if (!q_u->buffer && (offered!=0)) {
                return WERR_INVALID_PARAM;
        }
 
@@ -5554,9 +5701,9 @@ WERROR _spoolss_getprinterdriver2(pipes_struct *p, SPOOL_Q_GETPRINTERDRIVER2 *q_
        *serverminorversion = 0;
 
        fstrcpy(servername, get_server_name( printer ));
-       unistr2_to_ascii(architecture, uni_arch, sizeof(architecture)-1);
+       unistr2_to_ascii(architecture, uni_arch, sizeof(architecture));
 
-       if (!get_printer_snum(p, handle, &snum))
+       if (!get_printer_snum(p, handle, &snum, NULL))
                return WERR_BADFID;
 
        switch (level) {
@@ -5612,7 +5759,7 @@ WERROR _spoolss_endpageprinter(pipes_struct *p, SPOOL_Q_ENDPAGEPRINTER *q_u, SPO
                return WERR_BADFID;
        }
        
-       if (!get_printer_snum(p, handle, &snum))
+       if (!get_printer_snum(p, handle, &snum, NULL))
                return WERR_BADFID;
 
        Printer->page_started=False;
@@ -5638,15 +5785,12 @@ WERROR _spoolss_startdocprinter(pipes_struct *p, SPOOL_Q_STARTDOCPRINTER *q_u, S
        pstring jobname;
        fstring datatype;
        Printer_entry *Printer = find_printer_index_by_hnd(p, handle);
-       struct current_user user;
 
        if (!Printer) {
                DEBUG(2,("_spoolss_startdocprinter: Invalid handle (%s:%u:%u)\n", OUR_HANDLE(handle)));
                return WERR_BADFID;
        }
 
-       get_current_user(&user, p);
-
        /*
         * a nice thing with NT is it doesn't listen to what you tell it.
         * when asked to send _only_ RAW datas, it tries to send datas
@@ -5664,13 +5808,13 @@ WERROR _spoolss_startdocprinter(pipes_struct *p, SPOOL_Q_STARTDOCPRINTER *q_u, S
        }               
        
        /* get the share number of the printer */
-       if (!get_printer_snum(p, handle, &snum)) {
+       if (!get_printer_snum(p, handle, &snum, NULL)) {
                return WERR_BADFID;
        }
 
        unistr2_to_ascii(jobname, &info_1->docname, sizeof(jobname));
        
-       Printer->jobid = print_job_start(&user, snum, jobname, Printer->nt_devmode);
+       Printer->jobid = print_job_start(&p->pipe_user, snum, jobname, Printer->nt_devmode);
 
        /* An error occured in print_job_start() so return an appropriate
           NT error code. */
@@ -5716,7 +5860,7 @@ WERROR _spoolss_writeprinter(pipes_struct *p, SPOOL_Q_WRITEPRINTER *q_u, SPOOL_R
                return WERR_BADFID;
        }
 
-       if (!get_printer_snum(p, handle, &snum))
+       if (!get_printer_snum(p, handle, &snum, NULL))
                return WERR_BADFID;
 
        (*buffer_written) = (uint32)print_job_write(snum, Printer->jobid, (const char *)buffer,
@@ -5743,35 +5887,32 @@ WERROR _spoolss_writeprinter(pipes_struct *p, SPOOL_Q_WRITEPRINTER *q_u, SPOOL_R
 static WERROR control_printer(POLICY_HND *handle, uint32 command,
                              pipes_struct *p)
 {
-       struct current_user user;
        int snum;
        WERROR errcode = WERR_BADFUNC;
        Printer_entry *Printer = find_printer_index_by_hnd(p, handle);
 
-       get_current_user(&user, p);
-
        if (!Printer) {
                DEBUG(2,("control_printer: Invalid handle (%s:%u:%u)\n", OUR_HANDLE(handle)));
                return WERR_BADFID;
        }
 
-       if (!get_printer_snum(p, handle, &snum))
+       if (!get_printer_snum(p, handle, &snum, NULL))
                return WERR_BADFID;
 
        switch (command) {
        case PRINTER_CONTROL_PAUSE:
-               if (print_queue_pause(&user, snum, &errcode)) {
+               if (print_queue_pause(&p->pipe_user, snum, &errcode)) {
                        errcode = WERR_OK;
                }
                break;
        case PRINTER_CONTROL_RESUME:
        case PRINTER_CONTROL_UNPAUSE:
-               if (print_queue_resume(&user, snum, &errcode)) {
+               if (print_queue_resume(&p->pipe_user, snum, &errcode)) {
                        errcode = WERR_OK;
                }
                break;
        case PRINTER_CONTROL_PURGE:
-               if (print_queue_purge(&user, snum, &errcode)) {
+               if (print_queue_purge(&p->pipe_user, snum, &errcode)) {
                        errcode = WERR_OK;
                }
                break;
@@ -5793,7 +5934,6 @@ WERROR _spoolss_abortprinter(pipes_struct *p, SPOOL_Q_ABORTPRINTER *q_u, SPOOL_R
        POLICY_HND      *handle = &q_u->handle;
        Printer_entry   *Printer = find_printer_index_by_hnd(p, handle);
        int             snum;
-       struct          current_user user;
        WERROR          errcode = WERR_OK;
        
        if (!Printer) {
@@ -5801,12 +5941,10 @@ WERROR _spoolss_abortprinter(pipes_struct *p, SPOOL_Q_ABORTPRINTER *q_u, SPOOL_R
                return WERR_BADFID;
        }
        
-       if (!get_printer_snum(p, handle, &snum))
+       if (!get_printer_snum(p, handle, &snum, NULL))
                return WERR_BADFID;
        
-       get_current_user( &user, p );   
-       
-       print_job_delete( &user, snum, Printer->jobid, &errcode );      
+       print_job_delete( &p->pipe_user, snum, Printer->jobid, &errcode );      
        
        return errcode;
 }
@@ -5826,7 +5964,7 @@ static WERROR update_printer_sec(POLICY_HND *handle, uint32 level,
 
        Printer_entry *Printer = find_printer_index_by_hnd(p, handle);
 
-       if (!Printer || !get_printer_snum(p, handle, &snum)) {
+       if (!Printer || !get_printer_snum(p, handle, &snum, NULL)) {
                DEBUG(2,("update_printer_sec: Invalid handle (%s:%u:%u)\n",
                         OUR_HANDLE(handle)));
 
@@ -5834,6 +5972,12 @@ static WERROR update_printer_sec(POLICY_HND *handle, uint32 level,
                goto done;
        }
        
+       if (!secdesc_ctr) {
+               DEBUG(10,("update_printer_sec: secdesc_ctr is NULL !\n"));
+               result = WERR_INVALID_PARAM;
+               goto done;
+       }
+
        /* Check the user has permissions to change the security
           descriptor.  By experimentation with two NT machines, the user
           requires Full Access to the printer to change security
@@ -5854,20 +5998,20 @@ static WERROR update_printer_sec(POLICY_HND *handle, uint32 level,
                SEC_ACL *the_acl;
                int i;
 
-               the_acl = old_secdesc_ctr->sec->dacl;
+               the_acl = old_secdesc_ctr->sd->dacl;
                DEBUG(10, ("old_secdesc_ctr for %s has %d aces:\n", 
                           PRINTERNAME(snum), the_acl->num_aces));
 
                for (i = 0; i < the_acl->num_aces; i++) {
                        fstring sid_str;
 
-                       sid_to_string(sid_str, &the_acl->ace[i].trustee);
+                       sid_to_string(sid_str, &the_acl->aces[i].trustee);
 
                        DEBUG(10, ("%s 0x%08x\n", sid_str, 
-                                 the_acl->ace[i].info.mask));
+                                 the_acl->aces[i].access_mask));
                }
 
-               the_acl = secdesc_ctr->sec->dacl;
+               the_acl = secdesc_ctr->sd->dacl;
 
                if (the_acl) {
                        DEBUG(10, ("secdesc_ctr for %s has %d aces:\n", 
@@ -5876,10 +6020,10 @@ static WERROR update_printer_sec(POLICY_HND *handle, uint32 level,
                        for (i = 0; i < the_acl->num_aces; i++) {
                                fstring sid_str;
                                
-                               sid_to_string(sid_str, &the_acl->ace[i].trustee);
+                               sid_to_string(sid_str, &the_acl->aces[i].trustee);
                                
                                DEBUG(10, ("%s 0x%08x\n", sid_str, 
-                                          the_acl->ace[i].info.mask));
+                                          the_acl->aces[i].access_mask));
                        }
                } else {
                        DEBUG(10, ("dacl for secdesc_ctr is NULL\n"));
@@ -5887,8 +6031,12 @@ static WERROR update_printer_sec(POLICY_HND *handle, uint32 level,
        }
 
        new_secdesc_ctr = sec_desc_merge(p->mem_ctx, secdesc_ctr, old_secdesc_ctr);
+       if (!new_secdesc_ctr) {
+               result = WERR_NOMEM;
+               goto done;
+       }
 
-       if (sec_desc_equal(new_secdesc_ctr->sec, old_secdesc_ctr->sec)) {
+       if (sec_desc_equal(new_secdesc_ctr->sd, old_secdesc_ctr->sd)) {
                result = WERR_OK;
                goto done;
        }
@@ -6012,7 +6160,9 @@ BOOL add_printer_hook(NT_USER_TOKEN *token, NT_PRINTER_INFO_LEVEL *printer)
        SE_PRIV se_printop = SE_PRINT_OPERATOR;
        BOOL is_print_op = False;
 
-       standard_sub_basic(current_user_info.smb_name, remote_machine,sizeof(remote_machine));
+       standard_sub_basic(current_user_info.smb_name,
+                          current_user_info.domain,
+                          remote_machine,sizeof(remote_machine));
        
        slprintf(command, sizeof(command)-1, "%s \"%s\" \"%s\" \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"",
                        cmd, printer->info_2->printername, printer->info_2->sharename,
@@ -6031,7 +6181,8 @@ BOOL add_printer_hook(NT_USER_TOKEN *token, NT_PRINTER_INFO_LEVEL *printer)
        
        if ( (ret = smbrun(command, &fd)) == 0 ) {
                /* Tell everyone we updated smb.conf. */
-               message_send_all(conn_tdb_ctx(), MSG_SMB_CONF_UPDATED, NULL, 0, False, NULL);
+               message_send_all(smbd_messaging_context(),
+                                MSG_SMB_CONF_UPDATED, NULL, 0, NULL);
        }
 
        if ( is_print_op )
@@ -6095,7 +6246,7 @@ static WERROR update_printer(pipes_struct *p, POLICY_HND *handle, uint32 level,
                goto done;
        }
 
-       if (!get_printer_snum(p, handle, &snum)) {
+       if (!get_printer_snum(p, handle, &snum, NULL)) {
                result = WERR_BADFID;
                goto done;
        }
@@ -6273,14 +6424,20 @@ static WERROR publish_or_unpublish_printer(pipes_struct *p, POLICY_HND *handle,
 #ifdef HAVE_ADS
        SPOOL_PRINTER_INFO_LEVEL_7 *info7 = info->info_7;
        int snum;
-       Printer_entry *Printer = find_printer_index_by_hnd(p, handle);
+       Printer_entry *Printer;
+
+       if ( lp_security() != SEC_ADS ) {
+               return WERR_UNKNOWN_LEVEL;
+       }
+
+       Printer = find_printer_index_by_hnd(p, handle);
 
        DEBUG(5,("publish_or_unpublish_printer, action = %d\n",info7->action));
 
        if (!Printer)
                return WERR_BADFID;
 
-       if (!get_printer_snum(p, handle, &snum))
+       if (!get_printer_snum(p, handle, &snum, NULL))
                return WERR_BADFID;
        
        nt_printer_publish(Printer, snum, info7->action);
@@ -6350,7 +6507,7 @@ WERROR _spoolss_fcpn(pipes_struct *p, SPOOL_Q_FCPN *q_u, SPOOL_R_FCPN *r_u)
                if ( Printer->printer_type == SPLHND_SERVER)
                        snum = -1;
                else if ( (Printer->printer_type == SPLHND_PRINTER) &&
-                               !get_printer_snum(p, handle, &snum) )
+                               !get_printer_snum(p, handle, &snum, NULL) )
                        return WERR_BADFID;
 
                srv_spoolss_replycloseprinter(snum, &Printer->notify.client_hnd);
@@ -6374,7 +6531,7 @@ WERROR _spoolss_addjob(pipes_struct *p, SPOOL_Q_ADDJOB *q_u, SPOOL_R_ADDJOB *r_u
 {
        /* that's an [in out] buffer */
 
-       if (!q_u->buffer) {
+       if (!q_u->buffer && (q_u->offered!=0)) {
                return WERR_INVALID_PARAM;
        }
 
@@ -6390,9 +6547,9 @@ WERROR _spoolss_addjob(pipes_struct *p, SPOOL_Q_ADDJOB *q_u, SPOOL_R_ADDJOB *r_u
 /****************************************************************************
 ****************************************************************************/
 
-static void fill_job_info_1(JOB_INFO_1 *job_info, print_queue_struct *queue,
+static void fill_job_info_1(JOB_INFO_1 *job_info, const print_queue_struct *queue,
                             int position, int snum, 
-                            NT_PRINTER_INFO_LEVEL *ntprinter)
+                            const NT_PRINTER_INFO_LEVEL *ntprinter)
 {
        struct tm *t;
        
@@ -6417,9 +6574,9 @@ static void fill_job_info_1(JOB_INFO_1 *job_info, print_queue_struct *queue,
 /****************************************************************************
 ****************************************************************************/
 
-static BOOL fill_job_info_2(JOB_INFO_2 *job_info, print_queue_struct *queue,
+static BOOL fill_job_info_2(JOB_INFO_2 *job_info, const print_queue_struct *queue,
                             int position, int snum, 
-                           NT_PRINTER_INFO_LEVEL *ntprinter,
+                           const NT_PRINTER_INFO_LEVEL *ntprinter,
                            DEVICEMODE *devmode)
 {
        struct tm *t;
@@ -6462,8 +6619,8 @@ static BOOL fill_job_info_2(JOB_INFO_2 *job_info, print_queue_struct *queue,
  Enumjobs at level 1.
 ****************************************************************************/
 
-static WERROR enumjobs_level1(print_queue_struct *queue, int snum,
-                              NT_PRINTER_INFO_LEVEL *ntprinter,
+static WERROR enumjobs_level1(const print_queue_struct *queue, int snum,
+                              const NT_PRINTER_INFO_LEVEL *ntprinter,
                              RPC_BUFFER *buffer, uint32 offered,
                              uint32 *needed, uint32 *returned)
 {
@@ -6473,7 +6630,6 @@ static WERROR enumjobs_level1(print_queue_struct *queue, int snum,
        
        info=SMB_MALLOC_ARRAY(JOB_INFO_1,*returned);
        if (info==NULL) {
-               SAFE_FREE(queue);
                *returned=0;
                return WERR_NOMEM;
        }
@@ -6481,8 +6637,6 @@ static WERROR enumjobs_level1(print_queue_struct *queue, int snum,
        for (i=0; i<*returned; i++)
                fill_job_info_1( &info[i], &queue[i], i, snum, ntprinter );
 
-       SAFE_FREE(queue);
-
        /* check the required size. */  
        for (i=0; i<*returned; i++)
                (*needed) += spoolss_size_job_info_1(&info[i]);
@@ -6515,8 +6669,8 @@ out:
  Enumjobs at level 2.
 ****************************************************************************/
 
-static WERROR enumjobs_level2(print_queue_struct *queue, int snum,
-                              NT_PRINTER_INFO_LEVEL *ntprinter,
+static WERROR enumjobs_level2(const print_queue_struct *queue, int snum,
+                              const NT_PRINTER_INFO_LEVEL *ntprinter,
                              RPC_BUFFER *buffer, uint32 offered,
                              uint32 *needed, uint32 *returned)
 {
@@ -6532,14 +6686,11 @@ static WERROR enumjobs_level2(print_queue_struct *queue, int snum,
                
        /* this should not be a failure condition if the devmode is NULL */
        
-       devmode = construct_dev_mode(snum);
+       devmode = construct_dev_mode(lp_const_servicename(snum));
 
        for (i=0; i<*returned; i++)
                fill_job_info_2(&(info[i]), &queue[i], i, snum, ntprinter, devmode);
 
-       free_a_printer(&ntprinter, 2);
-       SAFE_FREE(queue);
-
        /* check the required size. */  
        for (i=0; i<*returned; i++)
                (*needed) += spoolss_size_job_info_2(&info[i]);
@@ -6589,7 +6740,7 @@ WERROR _spoolss_enumjobs( pipes_struct *p, SPOOL_Q_ENUMJOBS *q_u, SPOOL_R_ENUMJO
 
        /* that's an [in out] buffer */
 
-       if (!q_u->buffer) {
+       if (!q_u->buffer && (offered!=0)) {
                return WERR_INVALID_PARAM;
        }
 
@@ -6603,7 +6754,7 @@ WERROR _spoolss_enumjobs( pipes_struct *p, SPOOL_Q_ENUMJOBS *q_u, SPOOL_R_ENUMJO
 
        /* lookup the printer snum and tdb entry */
        
-       if (!get_printer_snum(p, handle, &snum))
+       if (!get_printer_snum(p, handle, &snum, NULL))
                return WERR_BADFID;
 
        wret = get_a_printer(NULL, &ntprinter, 2, lp_servicename(snum));
@@ -6615,22 +6766,24 @@ WERROR _spoolss_enumjobs( pipes_struct *p, SPOOL_Q_ENUMJOBS *q_u, SPOOL_R_ENUMJO
 
        if (*returned == 0) {
                SAFE_FREE(queue);
+               free_a_printer(&ntprinter, 2);
                return WERR_OK;
        }
 
        switch (level) {
        case 1:
                wret = enumjobs_level1(queue, snum, ntprinter, buffer, offered, needed, returned);
-               return wret;
+               break;
        case 2:
                wret = enumjobs_level2(queue, snum, ntprinter, buffer, offered, needed, returned);
-               return wret;
+               break;
        default:
-               SAFE_FREE(queue);
                *returned=0;
                wret = WERR_UNKNOWN_LEVEL;
+               break;
        }
        
+       SAFE_FREE(queue);
        free_a_printer( &ntprinter, 2 );
        return wret;
 }
@@ -6652,11 +6805,10 @@ WERROR _spoolss_setjob(pipes_struct *p, SPOOL_Q_SETJOB *q_u, SPOOL_R_SETJOB *r_u
        uint32 jobid = q_u->jobid;
        uint32 command = q_u->command;
 
-       struct current_user user;
        int snum;
        WERROR errcode = WERR_BADFUNC;
                
-       if (!get_printer_snum(p, handle, &snum)) {
+       if (!get_printer_snum(p, handle, &snum, NULL)) {
                return WERR_BADFID;
        }
 
@@ -6664,23 +6816,21 @@ WERROR _spoolss_setjob(pipes_struct *p, SPOOL_Q_SETJOB *q_u, SPOOL_R_SETJOB *r_u
                return WERR_INVALID_PRINTER_NAME;
        }
 
-       get_current_user(&user, p);     
-
        switch (command) {
        case JOB_CONTROL_CANCEL:
        case JOB_CONTROL_DELETE:
-               if (print_job_delete(&user, snum, jobid, &errcode)) {
+               if (print_job_delete(&p->pipe_user, snum, jobid, &errcode)) {
                        errcode = WERR_OK;
                }
                break;
        case JOB_CONTROL_PAUSE:
-               if (print_job_pause(&user, snum, jobid, &errcode)) {
+               if (print_job_pause(&p->pipe_user, snum, jobid, &errcode)) {
                        errcode = WERR_OK;
                }               
                break;
        case JOB_CONTROL_RESTART:
        case JOB_CONTROL_RESUME:
-               if (print_job_resume(&user, snum, jobid, &errcode)) {
+               if (print_job_resume(&p->pipe_user, snum, jobid, &errcode)) {
                        errcode = WERR_OK;
                }
                break;
@@ -6966,7 +7116,7 @@ WERROR _spoolss_enumprinterdrivers( pipes_struct *p, SPOOL_Q_ENUMPRINTERDRIVERS
 
        /* that's an [in out] buffer */
 
-       if (!q_u->buffer) {
+       if (!q_u->buffer && (offered!=0)) {
                return WERR_INVALID_PARAM;
        }
 
@@ -6978,8 +7128,8 @@ WERROR _spoolss_enumprinterdrivers( pipes_struct *p, SPOOL_Q_ENUMPRINTERDRIVERS
        *needed   = 0;
        *returned = 0;
 
-       unistr2_to_ascii(architecture, &q_u->environment, sizeof(architecture)-1);
-       unistr2_to_ascii(servername, &q_u->name, sizeof(servername)-1);
+       unistr2_to_ascii(architecture, &q_u->environment, sizeof(architecture));
+       unistr2_to_ascii(servername, &q_u->name, sizeof(servername));
 
        if ( !is_myname_or_ipaddr( servername ) )
                return WERR_UNKNOWN_PRINTER_DRIVER;
@@ -7031,7 +7181,7 @@ WERROR _spoolss_enumforms(pipes_struct *p, SPOOL_Q_ENUMFORMS *q_u, SPOOL_R_ENUMF
 
        /* that's an [in out] buffer */
 
-       if (!q_u->buffer) {
+       if (!q_u->buffer && (offered!=0) ) {
                return WERR_INVALID_PARAM;
        }
 
@@ -7144,14 +7294,14 @@ WERROR _spoolss_getform(pipes_struct *p, SPOOL_Q_GETFORM *q_u, SPOOL_R_GETFORM *
 
        /* that's an [in out] buffer */
 
-       if (!q_u->buffer) {
+       if (!q_u->buffer && (offered!=0)) {
                return WERR_INVALID_PARAM;
        }
 
        rpcbuf_move(q_u->buffer, &r_u->buffer);
        buffer = r_u->buffer;
 
-       unistr2_to_ascii(form_name, uni_formname, sizeof(form_name)-1);
+       unistr2_to_ascii(form_name, uni_formname, sizeof(form_name));
 
        DEBUG(4,("_spoolss_getform\n"));
        DEBUGADD(5,("Offered buffer size [%d]\n", offered));
@@ -7253,8 +7403,13 @@ WERROR enumports_hook( int *count, char ***lines )
        /* if no hook then just fill in the default port */
        
        if ( !*cmd ) {
-               qlines = SMB_MALLOC_ARRAY( char*, 2 );
-               qlines[0] = SMB_STRDUP( SAMBA_PRINTER_PORT_NAME );
+               if (!(qlines = SMB_MALLOC_ARRAY( char*, 2 ))) {
+                       return WERR_NOMEM;
+               }
+               if (!(qlines[0] = SMB_STRDUP( SAMBA_PRINTER_PORT_NAME ))) {
+                       SAFE_FREE(qlines);
+                       return WERR_NOMEM;
+               }
                qlines[1] = NULL;
                numlines = 1;
        }
@@ -7430,7 +7585,7 @@ WERROR _spoolss_enumports( pipes_struct *p, SPOOL_Q_ENUMPORTS *q_u, SPOOL_R_ENUM
 
        /* that's an [in out] buffer */
 
-       if (!q_u->buffer) {
+       if (!q_u->buffer && (offered!=0)) {
                return WERR_INVALID_PARAM;
        }
 
@@ -7606,26 +7761,23 @@ WERROR _spoolss_addprinterdriver(pipes_struct *p, SPOOL_Q_ADDPRINTERDRIVER *q_u,
        SPOOL_PRINTER_DRIVER_INFO_LEVEL *info = &q_u->info;
        WERROR err = WERR_OK;
        NT_PRINTER_DRIVER_INFO_LEVEL driver;
-       struct current_user user;
        fstring driver_name;
        uint32 version;
 
        ZERO_STRUCT(driver);
 
-       get_current_user(&user, p);
-       
        if (!convert_printer_driver_info(info, &driver, level)) {
                err = WERR_NOMEM;
                goto done;
        }
 
        DEBUG(5,("Cleaning driver's information\n"));
-       err = clean_up_driver_struct(driver, level, &user);
+       err = clean_up_driver_struct(driver, level, &p->pipe_user);
        if (!W_ERROR_IS_OK(err))
                goto done;
 
        DEBUG(5,("Moving driver to final destination\n"));
-       if( !W_ERROR_IS_OK(err = move_driver_to_download_area(driver, level, &user, &err)) ) {
+       if( !W_ERROR_IS_OK(err = move_driver_to_download_area(driver, level, &p->pipe_user, &err)) ) {
                goto done;
        }
 
@@ -7634,21 +7786,6 @@ WERROR _spoolss_addprinterdriver(pipes_struct *p, SPOOL_Q_ADDPRINTERDRIVER *q_u,
                goto done;
        }
 
-       /* BEGIN_ADMIN_LOG */
-        switch(level) {
-           case 3:
-               fstrcpy(driver_name, driver.info_3->name ? driver.info_3->name : "");
-               sys_adminlog(LOG_INFO,"Added printer driver. Print driver name: %s. Print driver OS: %s. Administrator name: %s.",
-                       driver_name, get_drv_ver_to_os(driver.info_3->cversion),uidtoname(user.ut.uid));
-               break;
-           case 6:   
-               fstrcpy(driver_name, driver.info_6->name ?  driver.info_6->name : "");
-               sys_adminlog(LOG_INFO,"Added printer driver. Print driver name: %s. Print driver OS: %s. Administrator name: %s.",
-                       driver_name, get_drv_ver_to_os(driver.info_6->version),uidtoname(user.ut.uid));
-               break;
-        }
-       /* END_ADMIN_LOG */
-
        /* 
         * I think this is where he DrvUpgradePrinter() hook would be
         * be called in a driver's interface DLL on a Windows NT 4.0/2k
@@ -7780,8 +7917,8 @@ static WERROR getprinterdriverdir_level_1(UNISTR2 *name, UNISTR2 *uni_environmen
        DRIVER_DIRECTORY_1 *info=NULL;
        WERROR result = WERR_OK;
 
-       unistr2_to_ascii(servername, name, sizeof(servername)-1);
-       unistr2_to_ascii(long_archi, uni_environment, sizeof(long_archi)-1);
+       unistr2_to_ascii(servername, name, sizeof(servername));
+       unistr2_to_ascii(long_archi, uni_environment, sizeof(long_archi));
 
        /* check for beginning double '\'s and that the server
           long enough */
@@ -7840,7 +7977,7 @@ WERROR _spoolss_getprinterdriverdirectory(pipes_struct *p, SPOOL_Q_GETPRINTERDRI
 
        /* that's an [in out] buffer */
 
-       if (!q_u->buffer ) {
+       if (!q_u->buffer && (offered!=0)) {
                return WERR_INVALID_PARAM;
        }
 
@@ -7902,7 +8039,7 @@ WERROR _spoolss_enumprinterdata(pipes_struct *p, SPOOL_Q_ENUMPRINTERDATA *q_u, S
                return WERR_BADFID;
        }
 
-       if (!get_printer_snum(p,handle, &snum))
+       if (!get_printer_snum(p,handle, &snum, NULL))
                return WERR_BADFID;
        
        result = get_a_printer(Printer, &printer, 2, lp_const_servicename(snum));
@@ -7971,14 +8108,18 @@ WERROR _spoolss_enumprinterdata(pipes_struct *p, SPOOL_Q_ENUMPRINTERDATA *q_u, S
 
                *out_max_value_len=(in_value_len/sizeof(uint16));
                
-               if((*out_value=(uint16 *)TALLOC_ZERO(p->mem_ctx, in_value_len*sizeof(uint8))) == NULL)
-               {
-                       result = WERR_NOMEM;
-                       goto done;
+               if (in_value_len) {
+                       if((*out_value=(uint16 *)TALLOC_ZERO(p->mem_ctx, in_value_len*sizeof(uint8))) == NULL)
+                       {
+                               result = WERR_NOMEM;
+                               goto done;
+                       }
+                       *out_value_len = (uint32)rpcstr_push((char *)*out_value, "", in_value_len, 0);
+               } else {
+                       *out_value=NULL;
+                       *out_value_len = 0;
                }
 
-               *out_value_len = (uint32)rpcstr_push((char *)*out_value, "", in_value_len, 0);
-
                /* the data is counted in bytes */
                
                *out_max_data_len = in_data_len;
@@ -8007,13 +8148,18 @@ WERROR _spoolss_enumprinterdata(pipes_struct *p, SPOOL_Q_ENUMPRINTERDATA *q_u, S
        
                /* name */
                *out_max_value_len=(in_value_len/sizeof(uint16));
-               if ( (*out_value = (uint16 *)TALLOC_ZERO(p->mem_ctx, in_value_len*sizeof(uint8))) == NULL ) 
-               {
-                       result = WERR_NOMEM;
-                       goto done;
-               }
+               if (in_value_len) {
+                       if ( (*out_value = (uint16 *)TALLOC_ZERO(p->mem_ctx, in_value_len*sizeof(uint8))) == NULL ) 
+                       {
+                               result = WERR_NOMEM;
+                               goto done;
+                       }
        
-               *out_value_len = (uint32)rpcstr_push((char *)*out_value, regval_name(val), (size_t)in_value_len, 0);
+                       *out_value_len = (uint32)rpcstr_push((char *)*out_value, regval_name(val), (size_t)in_value_len, 0);
+               } else {
+                       *out_value = NULL;
+                       *out_value_len = 0;
+               }
 
                /* type */
                
@@ -8028,7 +8174,7 @@ WERROR _spoolss_enumprinterdata(pipes_struct *p, SPOOL_Q_ENUMPRINTERDATA *q_u, S
                        goto done;
                }
                data_len = regval_size(val);
-               if ( *data_out )
+               if ( *data_out && data_len )
                        memcpy( *data_out, regval_data_p(val), data_len );
                *out_data_len = data_len;
        }
@@ -8067,7 +8213,7 @@ WERROR _spoolss_setprinterdata( pipes_struct *p, SPOOL_Q_SETPRINTERDATA *q_u, SP
                return WERR_INVALID_PARAM;
        }
 
-       if (!get_printer_snum(p,handle, &snum))
+       if (!get_printer_snum(p,handle, &snum, NULL))
                return WERR_BADFID;
 
        /* 
@@ -8089,7 +8235,7 @@ WERROR _spoolss_setprinterdata( pipes_struct *p, SPOOL_Q_SETPRINTERDATA *q_u, SP
        if (!W_ERROR_IS_OK(status))
                return status;
 
-       unistr2_to_ascii( valuename, value, sizeof(valuename)-1 );
+       unistr2_to_ascii(valuename, value, sizeof(valuename));
        
        /*
         * When client side code sets a magic printer data key, detect it and save
@@ -8139,7 +8285,7 @@ WERROR _spoolss_resetprinter(pipes_struct *p, SPOOL_Q_RESETPRINTER *q_u, SPOOL_R
                return WERR_BADFID;
        }
 
-       if (!get_printer_snum(p,handle, &snum))
+       if (!get_printer_snum(p,handle, &snum, NULL))
                return WERR_BADFID;
 
 
@@ -8169,7 +8315,7 @@ WERROR _spoolss_deleteprinterdata(pipes_struct *p, SPOOL_Q_DELETEPRINTERDATA *q_
                return WERR_BADFID;
        }
 
-       if (!get_printer_snum(p, handle, &snum))
+       if (!get_printer_snum(p, handle, &snum, NULL))
                return WERR_BADFID;
 
        if (Printer->access_granted != PRINTER_ACCESS_ADMINISTER) {
@@ -8181,7 +8327,7 @@ WERROR _spoolss_deleteprinterdata(pipes_struct *p, SPOOL_Q_DELETEPRINTERDATA *q_
        if (!W_ERROR_IS_OK(status))
                return status;
 
-       unistr2_to_ascii( valuename, value, sizeof(valuename)-1 );
+       unistr2_to_ascii(valuename, value, sizeof(valuename));
 
        status = delete_printer_dataex( printer, SPOOL_PRINTERDATA_KEY, valuename );
        
@@ -8221,7 +8367,7 @@ WERROR _spoolss_addform( pipes_struct *p, SPOOL_Q_ADDFORM *q_u, SPOOL_R_ADDFORM
        
        if ( Printer->printer_type == SPLHND_PRINTER )
        {
-               if (!get_printer_snum(p,handle, &snum))
+               if (!get_printer_snum(p,handle, &snum, NULL))
                        return WERR_BADFID;
         
                status = get_a_printer(Printer, &printer, 2, lp_const_servicename(snum));
@@ -8292,7 +8438,7 @@ WERROR _spoolss_deleteform( pipes_struct *p, SPOOL_Q_DELETEFORM *q_u, SPOOL_R_DE
        
        if ( Printer->printer_type == SPLHND_PRINTER )
        {
-               if (!get_printer_snum(p,handle, &snum))
+               if (!get_printer_snum(p,handle, &snum, NULL))
                        return WERR_BADFID;
         
                status = get_a_printer(Printer, &printer, 2, lp_const_servicename(snum));
@@ -8360,7 +8506,7 @@ WERROR _spoolss_setform(pipes_struct *p, SPOOL_Q_SETFORM *q_u, SPOOL_R_SETFORM *
        
        if ( Printer->printer_type == SPLHND_PRINTER )
        {
-               if (!get_printer_snum(p,handle, &snum))
+               if (!get_printer_snum(p,handle, &snum, NULL))
                        return WERR_BADFID;
         
                status = get_a_printer(Printer, &printer, 2, lp_const_servicename(snum));
@@ -8452,7 +8598,7 @@ WERROR _spoolss_enumprintprocessors(pipes_struct *p, SPOOL_Q_ENUMPRINTPROCESSORS
 
        /* that's an [in out] buffer */
 
-       if (!q_u->buffer) {
+       if (!q_u->buffer && (offered!=0)) {
                return WERR_INVALID_PARAM;
        }
 
@@ -8486,7 +8632,7 @@ WERROR _spoolss_enumprintprocessors(pipes_struct *p, SPOOL_Q_ENUMPRINTPROCESSORS
 static WERROR enumprintprocdatatypes_level_1(RPC_BUFFER *buffer, uint32 offered, uint32 *needed, uint32 *returned)
 {
        PRINTPROCDATATYPE_1 *info_1=NULL;
-       WERROR result = WERR_NOMEM;
+       WERROR result = WERR_OK;
        
        if((info_1 = SMB_MALLOC_P(PRINTPROCDATATYPE_1)) == NULL)
                return WERR_NOMEM;
@@ -8531,7 +8677,7 @@ WERROR _spoolss_enumprintprocdatatypes(pipes_struct *p, SPOOL_Q_ENUMPRINTPROCDAT
 
        /* that's an [in out] buffer */
 
-       if (!q_u->buffer) {
+       if (!q_u->buffer && (offered!=0)) {
                return WERR_INVALID_PARAM;
        }
 
@@ -8659,7 +8805,7 @@ WERROR _spoolss_enumprintmonitors(pipes_struct *p, SPOOL_Q_ENUMPRINTMONITORS *q_
 
        /* that's an [in out] buffer */
 
-       if (!q_u->buffer) {
+       if (!q_u->buffer && (offered!=0)) {
                return WERR_INVALID_PARAM;
        }
 
@@ -8780,7 +8926,7 @@ static WERROR getjob_level_2(print_queue_struct **queue, int count, int snum,
         */
         
        if ( !(nt_devmode=print_job_devmode( lp_const_servicename(snum), jobid )) )
-               devmode = construct_dev_mode(snum);
+               devmode = construct_dev_mode(lp_const_servicename(snum));
        else {
                if ((devmode = SMB_MALLOC_P(DEVICEMODE)) != NULL) {
                        ZERO_STRUCTP( devmode );
@@ -8835,7 +8981,7 @@ WERROR _spoolss_getjob( pipes_struct *p, SPOOL_Q_GETJOB *q_u, SPOOL_R_GETJOB *r_
 
        /* that's an [in out] buffer */
 
-       if (!q_u->buffer) {
+       if (!q_u->buffer && (offered!=0)) {
                return WERR_INVALID_PARAM;
        }
 
@@ -8846,7 +8992,7 @@ WERROR _spoolss_getjob( pipes_struct *p, SPOOL_Q_GETJOB *q_u, SPOOL_R_GETJOB *r_
        
        *needed = 0;
        
-       if (!get_printer_snum(p, handle, &snum))
+       if (!get_printer_snum(p, handle, &snum, NULL))
                return WERR_BADFID;
        
        wstatus = get_a_printer(NULL, &ntprinter, 2, lp_servicename(snum));
@@ -8903,8 +9049,8 @@ WERROR _spoolss_getprinterdataex(pipes_struct *p, SPOOL_Q_GETPRINTERDATAEX *q_u,
 
        DEBUG(4,("_spoolss_getprinterdataex\n"));
 
-        unistr2_to_ascii(keyname, &q_u->keyname, sizeof(keyname) - 1);
-        unistr2_to_ascii(valuename, &q_u->valuename, sizeof(valuename) - 1);
+        unistr2_to_ascii(keyname, &q_u->keyname, sizeof(keyname));
+        unistr2_to_ascii(valuename, &q_u->valuename, sizeof(valuename));
        
        DEBUG(10, ("_spoolss_getprinterdataex: key => [%s], value => [%s]\n", 
                keyname, valuename));
@@ -8929,7 +9075,7 @@ WERROR _spoolss_getprinterdataex(pipes_struct *p, SPOOL_Q_GETPRINTERDATAEX *q_u,
                goto done;
        }
        
-       if ( !get_printer_snum(p,handle, &snum) )
+       if ( !get_printer_snum(p,handle, &snum, NULL) )
                return WERR_BADFID;
 
        status = get_a_printer(Printer, &printer, 2, lp_servicename(snum));
@@ -8969,10 +9115,9 @@ done:
                                status = WERR_NOMEM;
                                goto done;
                        }
-               } 
-               else {
+               } else {
                        *data = NULL;
-       }
+               }
        }
        
        if ( printer )
@@ -9015,7 +9160,7 @@ WERROR _spoolss_setprinterdataex(pipes_struct *p, SPOOL_Q_SETPRINTERDATAEX *q_u,
                return WERR_INVALID_PARAM;
        }
 
-       if ( !get_printer_snum(p,handle, &snum) )
+       if ( !get_printer_snum(p,handle, &snum, NULL) )
                return WERR_BADFID;
 
        /* 
@@ -9036,8 +9181,8 @@ WERROR _spoolss_setprinterdataex(pipes_struct *p, SPOOL_Q_SETPRINTERDATAEX *q_u,
        if (!W_ERROR_IS_OK(status))
                return status;
 
-        unistr2_to_ascii( valuename, &q_u->value, sizeof(valuename) - 1);
-        unistr2_to_ascii( keyname, &q_u->key, sizeof(keyname) - 1);
+        unistr2_to_ascii( valuename, &q_u->value, sizeof(valuename));
+        unistr2_to_ascii( keyname, &q_u->key, sizeof(keyname));
        
        /* check for OID in valuename */
        
@@ -9066,7 +9211,8 @@ WERROR _spoolss_setprinterdataex(pipes_struct *p, SPOOL_Q_SETPRINTERDATAEX *q_u,
                         */
                 
                        set_printer_dataex( printer, keyname, valuename, 
-                                           REG_SZ, (void*)oid_string, strlen(oid_string)+1 );          
+                                           REG_SZ, (uint8 *)oid_string,
+                                           strlen(oid_string)+1 );
                }
        
                status = mod_a_printer(printer, 2);
@@ -9101,7 +9247,7 @@ WERROR _spoolss_deleteprinterdataex(pipes_struct *p, SPOOL_Q_DELETEPRINTERDATAEX
                return WERR_BADFID;
        }
 
-       if (!get_printer_snum(p, handle, &snum))
+       if (!get_printer_snum(p, handle, &snum, NULL))
                return WERR_BADFID;
 
        if (Printer->access_granted != PRINTER_ACCESS_ADMINISTER) {
@@ -9113,8 +9259,8 @@ WERROR _spoolss_deleteprinterdataex(pipes_struct *p, SPOOL_Q_DELETEPRINTERDATAEX
        if (!W_ERROR_IS_OK(status))
                return status;
 
-       unistr2_to_ascii( valuename, value, sizeof(valuename)-1 );
-       unistr2_to_ascii( keyname, key, sizeof(keyname)-1 );
+       unistr2_to_ascii(valuename, value, sizeof(valuename));
+       unistr2_to_ascii(keyname, key, sizeof(keyname));
 
        status = delete_printer_dataex( printer, keyname, valuename );
 
@@ -9153,7 +9299,7 @@ WERROR _spoolss_enumprinterkey(pipes_struct *p, SPOOL_Q_ENUMPRINTERKEY *q_u, SPO
                return WERR_BADFID;
        }
 
-       if ( !get_printer_snum(p,handle, &snum) )
+       if ( !get_printer_snum(p,handle, &snum, NULL) )
                return WERR_BADFID;
 
        status = get_a_printer(Printer, &printer, 2, lp_const_servicename(snum));
@@ -9162,7 +9308,7 @@ WERROR _spoolss_enumprinterkey(pipes_struct *p, SPOOL_Q_ENUMPRINTERKEY *q_u, SPO
                
        /* get the list of subkey names */
        
-       unistr2_to_ascii( key, &q_u->key, sizeof(key)-1 );
+       unistr2_to_ascii(key, &q_u->key, sizeof(key));
        data = printer->info_2->data;
 
        num_keys = get_printer_subkeys( data, key, &keynames );
@@ -9223,7 +9369,7 @@ WERROR _spoolss_deleteprinterkey(pipes_struct *p, SPOOL_Q_DELETEPRINTERKEY *q_u,
        if ( !q_u->keyname.buffer )
                return WERR_INVALID_PARAM;
                
-       if (!get_printer_snum(p, handle, &snum))
+       if (!get_printer_snum(p, handle, &snum, NULL))
                return WERR_BADFID;
 
        if (Printer->access_granted != PRINTER_ACCESS_ADMINISTER) {
@@ -9237,7 +9383,7 @@ WERROR _spoolss_deleteprinterkey(pipes_struct *p, SPOOL_Q_DELETEPRINTERKEY *q_u,
        
        /* delete the key and all subneys */
        
-        unistr2_to_ascii(key, &q_u->keyname, sizeof(key) - 1);
+        unistr2_to_ascii(key, &q_u->keyname, sizeof(key));
  
        status = delete_all_printer_data( printer->info_2, key );       
 
@@ -9288,7 +9434,7 @@ WERROR _spoolss_enumprinterdataex(pipes_struct *p, SPOOL_Q_ENUMPRINTERDATAEX *q_
         * --jerry
         */
         
-       unistr2_to_ascii(key, &q_u->key, sizeof(key) - 1);
+       unistr2_to_ascii(key, &q_u->key, sizeof(key));
        if ( !strlen(key) ) {
                result = WERR_INVALID_PARAM;
                goto done;
@@ -9296,7 +9442,7 @@ WERROR _spoolss_enumprinterdataex(pipes_struct *p, SPOOL_Q_ENUMPRINTERDATAEX *q_
 
        /* get the printer off of disk */
        
-       if (!get_printer_snum(p,handle, &snum))
+       if (!get_printer_snum(p,handle, &snum, NULL))
                return WERR_BADFID;
        
        ZERO_STRUCT(printer);
@@ -9308,7 +9454,7 @@ WERROR _spoolss_enumprinterdataex(pipes_struct *p, SPOOL_Q_ENUMPRINTERDATAEX *q_
        
        p_data = printer->info_2->data;
        
-       unistr2_to_ascii(key, &q_u->key, sizeof(key) - 1);
+       unistr2_to_ascii(key, &q_u->key, sizeof(key));
        if ( (key_index = lookup_printerkey( p_data, key)) == -1  )
        {
                DEBUG(10,("_spoolss_enumprinterdataex: Unknown keyname [%s]\n", key));
@@ -9356,9 +9502,9 @@ WERROR _spoolss_enumprinterdataex(pipes_struct *p, SPOOL_Q_ENUMPRINTERDATAEX *q_
                
                data_len = regval_size( val );
                if ( data_len ) {
-                       if ( !(enum_values[i].data = TALLOC_MEMDUP(p->mem_ctx, regval_data_p(val), data_len)) ) 
+                       if ( !(enum_values[i].data = (uint8 *)TALLOC_MEMDUP(p->mem_ctx, regval_data_p(val), data_len)) ) 
                        {
-                               DEBUG(0,("talloc_memdup failed to allocate memory [data_len=%d] for data!\n", 
+                               DEBUG(0,("TALLOC_MEMDUP failed to allocate memory [data_len=%d] for data!\n", 
                                        data_len ));
                                result = WERR_NOMEM;
                                goto done;
@@ -9373,6 +9519,15 @@ WERROR _spoolss_enumprinterdataex(pipes_struct *p, SPOOL_Q_ENUMPRINTERDATAEX *q_
        
        /* housekeeping information in the reply */
        
+       /* Fix from Martin Zielinski <mz@seh.de> - ensure
+        * the hand marshalled container size is a multiple
+        * of 4 bytes for RPC alignment.
+        */
+
+       if (needed % 4) {
+               needed += 4-(needed % 4);
+       }
+
        r_u->needed     = needed;
        r_u->returned   = num_entries;
 
@@ -9384,6 +9539,7 @@ WERROR _spoolss_enumprinterdataex(pipes_struct *p, SPOOL_Q_ENUMPRINTERDATAEX *q_
        /* copy data into the reply */
        
        r_u->ctr.size           = r_u->needed;
+
        r_u->ctr.size_of_array  = r_u->returned;
        r_u->ctr.values         = enum_values;
        
@@ -9415,7 +9571,7 @@ static WERROR getprintprocessordirectory_level_1(UNISTR2 *name,
        PRINTPROCESSOR_DIRECTORY_1 *info=NULL;
        WERROR result = WERR_OK;
 
-       unistr2_to_ascii(long_archi, environment, sizeof(long_archi)-1);
+       unistr2_to_ascii(long_archi, environment, sizeof(long_archi));
 
        if (!get_short_archi(long_archi))
                return WERR_INVALID_ENVIRONMENT;
@@ -9457,7 +9613,7 @@ WERROR _spoolss_getprintprocessordirectory(pipes_struct *p, SPOOL_Q_GETPRINTPROC
 
        /* that's an [in out] buffer */
 
-       if (!q_u->buffer) {
+       if (!q_u->buffer && (offered!=0)) {
                return WERR_INVALID_PARAM;
        }