[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 08c3a46133e2e86993b2f787919a5427ff84784b..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
@@ -64,7 +63,7 @@ static uint32 smb_connections=0;
 
 /* in printing/nt_printing.c */
 
-extern STANDARD_MAPPING printer_std_mapping, printserver_std_mapping;
+extern struct standard_mapping printer_std_mapping, printserver_std_mapping;
 
 /* API table for Xcv Monitor functions */
 
@@ -166,7 +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. */
@@ -311,7 +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 )
@@ -327,7 +328,7 @@ WERROR delete_printer_hook( NT_USER_TOKEN *token, const char *sharename )
        /* go ahead and re-read the services immediately */
        reload_services( False );
        
-       if ( share_defined( sharename ) )
+       if ( lp_servicenumber( sharename )  < 0 )
                return WERR_ACCESS_DENIED;
                
        return WERR_OK;
@@ -387,13 +388,6 @@ static BOOL get_printer_snum(pipes_struct *p, POLICY_HND *hnd, int *number,
                case SPLHND_PRINTER:            
                        DEBUG(4,("short name:%s\n", Printer->sharename));                       
                        *number = print_queue_snum(Printer->sharename);
-                       if ((*number != -1) && (params != NULL)) {
-                               *params = get_share_params(tmp_talloc_ctx(),
-                                                          Printer->sharename);
-                               if (*params == NULL) {
-                                       return False;
-                               }
-                       }
                        return (*number != -1);
                case SPLHND_SERVER:
                        return False;
@@ -723,15 +717,18 @@ static void notify_system_time(struct spoolss_notify_msg *msg,
        }
 
        data->notify_data.data.length = 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;
+       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_copy_all_data_out((char *)data->notify_data.data.string, &ps);
-
        prs_mem_free(&ps);
 }
 
@@ -1106,19 +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,
-                                        void *private_data)
+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;
        }
@@ -1148,7 +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;
                }
@@ -1156,7 +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;
                }
@@ -1209,8 +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;
 }
@@ -1220,15 +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 *private_data)
+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, (const char *)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 ));
 
@@ -1307,8 +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;
 }
@@ -1318,15 +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 *private_data)
+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, (const char *)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 ));
 
@@ -1416,11 +1425,15 @@ static DEVICEMODE* dup_devicemode(TALLOC_CTX *ctx, DEVICEMODE *devmode)
                        return NULL;
        }
 
-       d->dev_private = (uint8 *)TALLOC_MEMDUP(ctx, devmode->dev_private,
+       if (devmode->driverextra) {
+               d->dev_private = (uint8 *)TALLOC_MEMDUP(ctx, devmode->dev_private,
                                                devmode->driverextra);
-       if (!d->dev_private) {
-               return NULL;
-       }       
+               if (!d->dev_private) {
+                       return NULL;
+               }       
+       } else {
+               d->dev_private = NULL;
+       }
        return d;
 }
 
@@ -1529,7 +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));
 
@@ -1977,8 +1990,8 @@ WERROR _spoolss_deleteprinterdriver(pipes_struct *p, SPOOL_Q_DELETEPRINTERDRIVER
                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 */
        
@@ -2072,8 +2085,8 @@ WERROR _spoolss_deleteprinterdriverex(pipes_struct *p, SPOOL_Q_DELETEPRINTERDRIV
                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) {
@@ -2255,6 +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;
        }
@@ -2449,7 +2463,7 @@ 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 );
@@ -2598,8 +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, NULL);
+               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 );
@@ -2666,7 +2681,7 @@ 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 */
 
@@ -2704,14 +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;
+       }
 }
 
 /*******************************************************************
@@ -2739,14 +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);
 }
 
 /*******************************************************************
@@ -2765,14 +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);
 }
 
 /*******************************************************************
@@ -2793,14 +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;
+       }
 }
 
 /*******************************************************************
@@ -2820,14 +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;
+       }
 }
 
 /*******************************************************************
@@ -2849,14 +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;
+       }
 }
 
 /*******************************************************************
@@ -2876,14 +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;
+       }
 }
 
 /*******************************************************************
@@ -2918,14 +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;
+       }
 }
 
 /*******************************************************************
@@ -2945,14 +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;
+       }
 }
 
 /*******************************************************************
@@ -2972,14 +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;
+       }
 }
 
 /*******************************************************************
@@ -2999,14 +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;
+       }
 }
 
 /*******************************************************************
@@ -3159,14 +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;
+       }
 }
 
 /*******************************************************************
@@ -3199,14 +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;
+       }
 }
 
 /*******************************************************************
@@ -3249,14 +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;
+       }
 }
 
 /*******************************************************************
@@ -3879,9 +3946,7 @@ done:
  * fill a printer_info_0 struct
  ********************************************************************/
 
-static BOOL construct_printer_info_0(Printer_entry *print_hnd,
-                                    PRINTER_INFO_0 *printer,
-                                    const struct share_params *params)
+static BOOL construct_printer_info_0(Printer_entry *print_hnd, PRINTER_INFO_0 *printer, int snum)
 {
        pstring chaine;
        int count;
@@ -3892,15 +3957,14 @@ static BOOL construct_printer_info_0(Printer_entry *print_hnd,
        time_t setuptime;
        print_status_struct status;
        
-       if (!W_ERROR_IS_OK(get_a_printer(print_hnd, &ntprinter, 2,
-                                        lp_const_servicename(params->service))))
+       if (!W_ERROR_IS_OK(get_a_printer(print_hnd, &ntprinter, 2, lp_const_servicename(snum))))
                return False;
 
-       count = print_queue_length(params->service, &status);
+       count = print_queue_length(snum, &status);
 
        /* check if we already have a counter for this printer */       
        for(session_counter = counter_list; session_counter; session_counter = session_counter->next) {
-               if (session_counter->snum == params->service)
+               if (session_counter->snum == snum)
                        break;
        }
 
@@ -3911,7 +3975,7 @@ static BOOL construct_printer_info_0(Printer_entry *print_hnd,
                        return False;
                }
                ZERO_STRUCTP(session_counter);
-               session_counter->snum=params->service;
+               session_counter->snum=snum;
                session_counter->counter=0;
                DLIST_ADD(counter_list, session_counter);
        }
@@ -3987,25 +4051,21 @@ static BOOL construct_printer_info_0(Printer_entry *print_hnd,
  * construct_printer_info_1
  * fill a printer_info_1 struct
  ********************************************************************/
-static BOOL construct_printer_info_1(Printer_entry *print_hnd, uint32 flags,
-                                    PRINTER_INFO_1 *printer,
-                                    const struct share_params *params)
+static BOOL construct_printer_info_1(Printer_entry *print_hnd, uint32 flags, PRINTER_INFO_1 *printer, int snum)
 {
        pstring chaine;
        pstring chaine2;
        NT_PRINTER_INFO_LEVEL *ntprinter = NULL;
 
-       if (!W_ERROR_IS_OK(get_a_printer(print_hnd, &ntprinter, 2,
-                                        lp_const_servicename(params->service))))
+       if (!W_ERROR_IS_OK(get_a_printer(print_hnd, &ntprinter, 2, lp_const_servicename(snum))))
                return False;
 
        printer->flags=flags;
 
        if (*ntprinter->info_2->comment == '\0') {
-               init_unistr(&printer->comment, lp_comment(params->service));
+               init_unistr(&printer->comment, lp_comment(snum));
                slprintf(chaine,sizeof(chaine)-1,"%s,%s,%s", ntprinter->info_2->printername,
-                       ntprinter->info_2->drivername,
-                        lp_comment(params->service));
+                       ntprinter->info_2->drivername, lp_comment(snum));
        }
        else {
                init_unistr(&printer->comment, ntprinter->info_2->comment); /* saved comment. */
@@ -4096,7 +4156,7 @@ DEVICEMODE *construct_dev_mode(const char *servicename)
        
        DEBUGADD(8,("getting printer characteristics\n"));
 
-       if (!W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, servicename)))
+       if (!W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, servicename))) 
                return NULL;
 
        if ( !printer->info_2->devmode ) {
@@ -4129,29 +4189,26 @@ done:
  * fill a printer_info_2 struct
  ********************************************************************/
 
-static BOOL construct_printer_info_2(Printer_entry *print_hnd,
-                                    PRINTER_INFO_2 *printer,
-                                    const struct share_params *params)
+static BOOL construct_printer_info_2(Printer_entry *print_hnd, PRINTER_INFO_2 *printer, int snum)
 {
        int count;
        NT_PRINTER_INFO_LEVEL *ntprinter = NULL;
 
        print_status_struct status;
 
-       if (!W_ERROR_IS_OK(get_a_printer(print_hnd, &ntprinter, 2,
-                                        lp_const_servicename(params->service))))
+       if (!W_ERROR_IS_OK(get_a_printer(print_hnd, &ntprinter, 2, lp_const_servicename(snum))))
                return False;
                
-       count = print_queue_length(params->service, &status);
+       count = print_queue_length(snum, &status);
 
        init_unistr(&printer->servername, ntprinter->info_2->servername); /* servername*/
        init_unistr(&printer->printername, ntprinter->info_2->printername);                             /* printername*/
-       init_unistr(&printer->sharename, lp_servicename(params->service));                      /* sharename */
+       init_unistr(&printer->sharename, lp_servicename(snum));                 /* sharename */
        init_unistr(&printer->portname, ntprinter->info_2->portname);                   /* port */      
        init_unistr(&printer->drivername, ntprinter->info_2->drivername);       /* drivername */
 
        if (*ntprinter->info_2->comment == '\0')
-               init_unistr(&printer->comment, lp_comment(params->service));                    /* comment */   
+               init_unistr(&printer->comment, lp_comment(snum));                       /* comment */   
        else
                init_unistr(&printer->comment, ntprinter->info_2->comment); /* saved comment. */
 
@@ -4172,7 +4229,7 @@ static BOOL construct_printer_info_2(Printer_entry *print_hnd,
        printer->averageppm = ntprinter->info_2->averageppm;                    /* average pages per minute */
                        
        if ( !(printer->devmode = construct_dev_mode(
-                      lp_const_servicename(params->service))) )
+                      lp_const_servicename(snum))) )
                DEBUG(8, ("Returning NULL Devicemode!\n"));
 
        printer->secdesc = NULL;
@@ -4183,7 +4240,7 @@ static BOOL construct_printer_info_2(Printer_entry *print_hnd,
                /* 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(), 
+               printer->secdesc = dup_sec_desc( talloc_tos(),
                        ntprinter->info_2->secdesc_buf->sd );
        }
 
@@ -4197,15 +4254,12 @@ static BOOL construct_printer_info_2(Printer_entry *print_hnd,
  * fill a printer_info_3 struct
  ********************************************************************/
 
-static BOOL construct_printer_info_3(Printer_entry *print_hnd,
-                                    PRINTER_INFO_3 **pp_printer,
-                                    const struct share_params *params)
+static BOOL construct_printer_info_3(Printer_entry *print_hnd, PRINTER_INFO_3 **pp_printer, int snum)
 {
        NT_PRINTER_INFO_LEVEL *ntprinter = NULL;
        PRINTER_INFO_3 *printer = NULL;
 
-       if (!W_ERROR_IS_OK(get_a_printer(print_hnd, &ntprinter, 2,
-                                        lp_const_servicename(params->service))))
+       if (!W_ERROR_IS_OK(get_a_printer(print_hnd, &ntprinter, 2, lp_const_servicename(snum))))
                return False;
 
        *pp_printer = NULL;
@@ -4223,7 +4277,7 @@ static BOOL construct_printer_info_3(Printer_entry *print_hnd,
                /* 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(), 
+               printer->secdesc = dup_sec_desc( talloc_tos(),
                        ntprinter->info_2->secdesc_buf->sd );
        }
 
@@ -4238,14 +4292,11 @@ static BOOL construct_printer_info_3(Printer_entry *print_hnd,
  * fill a printer_info_4 struct
  ********************************************************************/
 
-static BOOL construct_printer_info_4(Printer_entry *print_hnd,
-                                    PRINTER_INFO_4 *printer,
-                                    const struct share_params *params)
+static BOOL construct_printer_info_4(Printer_entry *print_hnd, PRINTER_INFO_4 *printer, int snum)
 {
        NT_PRINTER_INFO_LEVEL *ntprinter = NULL;
 
-       if (!W_ERROR_IS_OK(get_a_printer(print_hnd, &ntprinter, 2,
-                                        lp_const_servicename(params->service))))
+       if (!W_ERROR_IS_OK(get_a_printer(print_hnd, &ntprinter, 2, lp_const_servicename(snum))))
                return False;
                
        init_unistr(&printer->printername, ntprinter->info_2->printername);                             /* printername*/
@@ -4261,14 +4312,11 @@ static BOOL construct_printer_info_4(Printer_entry *print_hnd,
  * fill a printer_info_5 struct
  ********************************************************************/
 
-static BOOL construct_printer_info_5(Printer_entry *print_hnd,
-                                    PRINTER_INFO_5 *printer,
-                                    const struct share_params *params)
+static BOOL construct_printer_info_5(Printer_entry *print_hnd, PRINTER_INFO_5 *printer, int snum)
 {
        NT_PRINTER_INFO_LEVEL *ntprinter = NULL;
 
-       if (!W_ERROR_IS_OK(get_a_printer(print_hnd, &ntprinter, 2,
-                                        lp_const_servicename(params->service))))
+       if (!W_ERROR_IS_OK(get_a_printer(print_hnd, &ntprinter, 2, lp_const_servicename(snum))))
                return False;
                
        init_unistr(&printer->printername, ntprinter->info_2->printername);
@@ -4292,17 +4340,17 @@ static BOOL construct_printer_info_5(Printer_entry *print_hnd,
 
 static BOOL construct_printer_info_6(Printer_entry *print_hnd,
                                     PRINTER_INFO_6 *printer,
-                                    const struct share_params *params)
+                                    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(params->service))))
+                                        lp_const_servicename(snum))))
                return False;
 
-       count = print_queue_length(params->service, &status);
+       count = print_queue_length(snum, &status);
 
        printer->status = nt_printq_status(status.status);
                
@@ -4316,14 +4364,12 @@ static BOOL construct_printer_info_6(Printer_entry *print_hnd,
  * fill a printer_info_7 struct
  ********************************************************************/
 
-static BOOL construct_printer_info_7(Printer_entry *print_hnd,
-                                    PRINTER_INFO_7 *printer,
-                                    const struct share_params *params)
+static BOOL construct_printer_info_7(Printer_entry *print_hnd, PRINTER_INFO_7 *printer, int snum)
 {
        char *guid_str = NULL;
        struct GUID guid; 
        
-       if (is_printer_published(print_hnd, params->service, &guid)) {
+       if (is_printer_published(print_hnd, snum, &guid)) {
                asprintf(&guid_str, "{%s}", smb_uuid_string_static(guid));
                strupper_m(guid_str);
                init_unistr(&printer->guid, guid_str);
@@ -4342,45 +4388,31 @@ static BOOL construct_printer_info_7(Printer_entry *print_hnd,
 
 static WERROR enum_all_printers_info_1(uint32 flags, RPC_BUFFER *buffer, uint32 offered, uint32 *needed, uint32 *returned)
 {
+       int snum;
        int i;
-       struct share_iterator *shares;
-       struct share_params *printer;
+       int n_services=lp_numservices();
        PRINTER_INFO_1 *printers=NULL;
+       PRINTER_INFO_1 current_prt;
        WERROR result = WERR_OK;
        
        DEBUG(4,("enum_all_printers_info_1\n"));        
 
-       if (!(shares = share_list_all(NULL))) {
-               DEBUG(5, ("Could not list printers\n"));
-               return WERR_ACCESS_DENIED;
-       }
+       for (snum=0; snum<n_services; snum++) {
+               if (lp_browseable(snum) && lp_snum_ok(snum) && lp_print_ok(snum) ) {
+                       DEBUG(4,("Found a printer in smb.conf: %s[%x]\n", lp_servicename(snum), snum));
 
-       while ((printer = next_printer(shares)) != NULL) {
-               PRINTER_INFO_1 current_prt;
-
-               DEBUG(4,("Found a printer in smb.conf: %s\n",
-                        lp_servicename(printer->service)));
-
-               if (!construct_printer_info_1(NULL, flags, &current_prt,
-                                             printer)) {
-                       continue;
-               }
+                       if (construct_printer_info_1(NULL, flags, &current_prt, snum)) {
+                               if((printers=SMB_REALLOC_ARRAY(printers, PRINTER_INFO_1, *returned +1)) == NULL) {
+                                       DEBUG(2,("enum_all_printers_info_1: failed to enlarge printers buffer!\n"));
+                                       *returned=0;
+                                       return WERR_NOMEM;
+                               }
+                               DEBUG(4,("ReAlloced memory for [%d] PRINTER_INFO_1\n", *returned));             
 
-               if((printers=SMB_REALLOC_ARRAY(printers, PRINTER_INFO_1,
-                                              *returned +1)) == NULL) {
-                       DEBUG(2,("enum_all_printers_info_1: failed to enlarge "
-                                "printers buffer!\n"));
-                       *returned=0;
-                       TALLOC_FREE(shares);
-                       return WERR_NOMEM;
+                               memcpy(&printers[*returned], &current_prt, sizeof(PRINTER_INFO_1));
+                               (*returned)++;
+                       }
                }
-               DEBUG(4,("ReAlloced memory for [%d] PRINTER_INFO_1\n",
-                        *returned));
-
-               memcpy(&printers[*returned], &current_prt,
-                      sizeof(PRINTER_INFO_1));
-               (*returned)++;
-               TALLOC_FREE(printer);
        }
                
        /* check the required size. */  
@@ -4405,7 +4437,6 @@ out:
        /* clear memory */
 
        SAFE_FREE(printers);
-       TALLOC_FREE(shares);
 
        if ( !W_ERROR_IS_OK(result) )
                *returned = 0;
@@ -4543,45 +4574,33 @@ static WERROR enum_all_printers_info_1_network(fstring name, RPC_BUFFER *buffer,
 
 static WERROR enum_all_printers_info_2(RPC_BUFFER *buffer, uint32 offered, uint32 *needed, uint32 *returned)
 {
+       int snum;
        int i;
-       struct share_iterator *shares;
-       struct share_params *printer;
+       int n_services=lp_numservices();
        PRINTER_INFO_2 *printers=NULL;
+       PRINTER_INFO_2 current_prt;
        WERROR result = WERR_OK;
 
        *returned = 0;
 
-       if (!(shares = share_list_all(NULL))) {
-               DEBUG(5, ("Could not list printers\n"));
-               return WERR_ACCESS_DENIED;
-       }
+       for (snum=0; snum<n_services; snum++) {
+               if (lp_browseable(snum) && lp_snum_ok(snum) && lp_print_ok(snum) ) {
+                       DEBUG(4,("Found a printer in smb.conf: %s[%x]\n", lp_servicename(snum), snum));
+                               
+                       if (construct_printer_info_2(NULL, &current_prt, snum)) {
+                               if ( !(printers=SMB_REALLOC_ARRAY(printers, PRINTER_INFO_2, *returned +1)) ) {
+                                       DEBUG(2,("enum_all_printers_info_2: failed to enlarge printers buffer!\n"));
+                                       *returned = 0;
+                                       return WERR_NOMEM;
+                               }
 
-       while ((printer = next_printer(shares)) != NULL) {
-               PRINTER_INFO_2 current_prt;
+                               DEBUG(4,("ReAlloced memory for [%d] PRINTER_INFO_2\n", *returned + 1));         
 
-               DEBUG(4,("Found a printer in smb.conf: %s\n",
-                        lp_servicename(printer->service)));
+                               memcpy(&printers[*returned], &current_prt, sizeof(PRINTER_INFO_2));
 
-               if (!construct_printer_info_2(NULL, &current_prt,
-                                             printer)) {
-                       continue;
-               }
-               if ( !(printers=SMB_REALLOC_ARRAY(printers, PRINTER_INFO_2,
-                                                 *returned +1)) ) {
-                       DEBUG(2,("enum_all_printers_info_2: failed to enlarge "
-                                "printers buffer!\n"));
-                       *returned = 0;
-                       TALLOC_FREE(shares);
-                       return WERR_NOMEM;
+                               (*returned)++;
+                       }
                }
-
-               DEBUG(4,("ReAlloced memory for [%d] PRINTER_INFO_2\n",
-                        *returned + 1));
-
-               memcpy(&printers[*returned], &current_prt,
-                      sizeof(PRINTER_INFO_2));
-               (*returned)++;
-               TALLOC_FREE(printer);
        }
        
        /* check the required size. */  
@@ -4609,7 +4628,6 @@ out:
                free_devmode(printers[i].devmode);
 
        SAFE_FREE(printers);
-       TALLOC_FREE(shares);
 
        if ( !W_ERROR_IS_OK(result) )
                *returned = 0;
@@ -4730,7 +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) {
@@ -4750,10 +4768,7 @@ WERROR _spoolss_enumprinters( pipes_struct *p, SPOOL_Q_ENUMPRINTERS *q_u, SPOOL_
 /****************************************************************************
 ****************************************************************************/
 
-static WERROR getprinter_level_0(Printer_entry *print_hnd,
-                                const struct share_params *params,
-                                RPC_BUFFER *buffer, uint32 offered,
-                                uint32 *needed)
+static WERROR getprinter_level_0(Printer_entry *print_hnd, int snum, RPC_BUFFER *buffer, uint32 offered, uint32 *needed)
 {
        PRINTER_INFO_0 *printer=NULL;
        WERROR result = WERR_OK;
@@ -4761,7 +4776,7 @@ static WERROR getprinter_level_0(Printer_entry *print_hnd,
        if((printer=SMB_MALLOC_P(PRINTER_INFO_0)) == NULL)
                return WERR_NOMEM;
 
-       construct_printer_info_0(print_hnd, printer, params);
+       construct_printer_info_0(print_hnd, printer, snum);
        
        /* check the required size. */  
        *needed += spoolss_size_printer_info_0(printer);
@@ -4790,10 +4805,7 @@ out:
 /****************************************************************************
 ****************************************************************************/
 
-static WERROR getprinter_level_1(Printer_entry *print_hnd,
-                                const struct share_params *params,
-                                RPC_BUFFER *buffer, uint32 offered,
-                                uint32 *needed)
+static WERROR getprinter_level_1(Printer_entry *print_hnd, int snum, RPC_BUFFER *buffer, uint32 offered, uint32 *needed)
 {
        PRINTER_INFO_1 *printer=NULL;
        WERROR result = WERR_OK;
@@ -4801,8 +4813,7 @@ static WERROR getprinter_level_1(Printer_entry *print_hnd,
        if((printer=SMB_MALLOC_P(PRINTER_INFO_1)) == NULL)
                return WERR_NOMEM;
 
-       construct_printer_info_1(print_hnd, PRINTER_ENUM_ICON8, printer,
-                                params);
+       construct_printer_info_1(print_hnd, PRINTER_ENUM_ICON8, printer, snum);
        
        /* check the required size. */  
        *needed += spoolss_size_printer_info_1(printer);
@@ -4830,10 +4841,7 @@ out:
 /****************************************************************************
 ****************************************************************************/
 
-static WERROR getprinter_level_2(Printer_entry *print_hnd,
-                                const struct share_params *params,
-                                RPC_BUFFER *buffer, uint32 offered,
-                                uint32 *needed)
+static WERROR getprinter_level_2(Printer_entry *print_hnd, int snum, RPC_BUFFER *buffer, uint32 offered, uint32 *needed)
 {
        PRINTER_INFO_2 *printer=NULL;
        WERROR result = WERR_OK;
@@ -4841,7 +4849,7 @@ static WERROR getprinter_level_2(Printer_entry *print_hnd,
        if((printer=SMB_MALLOC_P(PRINTER_INFO_2))==NULL)
                return WERR_NOMEM;
        
-       construct_printer_info_2(print_hnd, printer, params);
+       construct_printer_info_2(print_hnd, printer, snum);
        
        /* check the required size. */  
        *needed += spoolss_size_printer_info_2(printer);
@@ -4870,15 +4878,12 @@ out:
 /****************************************************************************
 ****************************************************************************/
 
-static WERROR getprinter_level_3(Printer_entry *print_hnd,
-                                const struct share_params *params,
-                                RPC_BUFFER *buffer, uint32 offered,
-                                uint32 *needed)
+static WERROR getprinter_level_3(Printer_entry *print_hnd, int snum, RPC_BUFFER *buffer, uint32 offered, uint32 *needed)
 {
        PRINTER_INFO_3 *printer=NULL;
        WERROR result = WERR_OK;
 
-       if (!construct_printer_info_3(print_hnd, &printer, params))
+       if (!construct_printer_info_3(print_hnd, &printer, snum))
                return WERR_NOMEM;
        
        /* check the required size. */  
@@ -4907,10 +4912,7 @@ out:
 /****************************************************************************
 ****************************************************************************/
 
-static WERROR getprinter_level_4(Printer_entry *print_hnd,
-                                const struct share_params *params,
-                                RPC_BUFFER *buffer, uint32 offered,
-                                uint32 *needed)
+static WERROR getprinter_level_4(Printer_entry *print_hnd, int snum, RPC_BUFFER *buffer, uint32 offered, uint32 *needed)
 {
        PRINTER_INFO_4 *printer=NULL;
        WERROR result = WERR_OK;
@@ -4918,7 +4920,7 @@ static WERROR getprinter_level_4(Printer_entry *print_hnd,
        if((printer=SMB_MALLOC_P(PRINTER_INFO_4))==NULL)
                return WERR_NOMEM;
 
-       if (!construct_printer_info_4(print_hnd, printer, params)) {
+       if (!construct_printer_info_4(print_hnd, printer, snum)) {
                SAFE_FREE(printer);
                return WERR_NOMEM;
        }
@@ -4949,10 +4951,7 @@ out:
 /****************************************************************************
 ****************************************************************************/
 
-static WERROR getprinter_level_5(Printer_entry *print_hnd,
-                                const struct share_params *params,
-                                RPC_BUFFER *buffer, uint32 offered,
-                                uint32 *needed)
+static WERROR getprinter_level_5(Printer_entry *print_hnd, int snum, RPC_BUFFER *buffer, uint32 offered, uint32 *needed)
 {
        PRINTER_INFO_5 *printer=NULL;
        WERROR result = WERR_OK;
@@ -4960,7 +4959,7 @@ static WERROR getprinter_level_5(Printer_entry *print_hnd,
        if((printer=SMB_MALLOC_P(PRINTER_INFO_5))==NULL)
                return WERR_NOMEM;
 
-       if (!construct_printer_info_5(print_hnd, printer, params)) {
+       if (!construct_printer_info_5(print_hnd, printer, snum)) {
                free_printer_info_5(printer);
                return WERR_NOMEM;
        }
@@ -4989,7 +4988,7 @@ out:
 }
 
 static WERROR getprinter_level_6(Printer_entry *print_hnd,
-                                const struct share_params *params,
+                                int snum,
                                 RPC_BUFFER *buffer, uint32 offered,
                                 uint32 *needed)
 {
@@ -5000,7 +4999,7 @@ static WERROR getprinter_level_6(Printer_entry *print_hnd,
                return WERR_NOMEM;
        }
 
-       if (!construct_printer_info_6(print_hnd, printer, params)) {
+       if (!construct_printer_info_6(print_hnd, printer, snum)) {
                free_printer_info_6(printer);
                return WERR_NOMEM;
        }
@@ -5028,10 +5027,7 @@ out:
        return result;  
 }
 
-static WERROR getprinter_level_7(Printer_entry *print_hnd,
-                                const struct share_params *params,
-                                RPC_BUFFER *buffer, uint32 offered,
-                                uint32 *needed)
+static WERROR getprinter_level_7(Printer_entry *print_hnd, int snum, RPC_BUFFER *buffer, uint32 offered, uint32 *needed)
 {
        PRINTER_INFO_7 *printer=NULL;
        WERROR result = WERR_OK;
@@ -5039,7 +5035,7 @@ static WERROR getprinter_level_7(Printer_entry *print_hnd,
        if((printer=SMB_MALLOC_P(PRINTER_INFO_7))==NULL)
                return WERR_NOMEM;
 
-       if (!construct_printer_info_7(print_hnd, printer, params))
+       if (!construct_printer_info_7(print_hnd, printer, snum))
                return WERR_NOMEM;
        
        /* check the required size. */  
@@ -5077,7 +5073,6 @@ WERROR _spoolss_getprinter(pipes_struct *p, SPOOL_Q_GETPRINTER *q_u, SPOOL_R_GET
        uint32 offered = q_u->offered;
        uint32 *needed = &r_u->needed;
        Printer_entry *Printer=find_printer_index_by_hnd(p, handle);
-       struct share_params *params;
 
        int snum;
 
@@ -5092,34 +5087,26 @@ WERROR _spoolss_getprinter(pipes_struct *p, SPOOL_Q_GETPRINTER *q_u, SPOOL_R_GET
 
        *needed=0;
 
-       if (!get_printer_snum(p, handle, &snum, &params))
+       if (!get_printer_snum(p, handle, &snum, NULL))
                return WERR_BADFID;
 
        switch (level) {
        case 0:
-               return getprinter_level_0(Printer, params, buffer, offered,
-                                         needed);
+               return getprinter_level_0(Printer, snum, buffer, offered, needed);
        case 1:
-               return getprinter_level_1(Printer, params, buffer, offered,
-                                         needed);
+               return getprinter_level_1(Printer, snum, buffer, offered, needed);
        case 2:         
-               return getprinter_level_2(Printer, params, buffer, offered,
-                                         needed);
+               return getprinter_level_2(Printer, snum, buffer, offered, needed);
        case 3:         
-               return getprinter_level_3(Printer, params, buffer, offered,
-                                         needed);
+               return getprinter_level_3(Printer, snum, buffer, offered, needed);
        case 4:         
-               return getprinter_level_4(Printer, params, buffer, offered,
-                                         needed);
+               return getprinter_level_4(Printer, snum, buffer, offered, needed);
        case 5:         
-               return getprinter_level_5(Printer, params, buffer, offered,
-                                         needed);
-       case 6:
-               return getprinter_level_6(Printer, params, buffer, offered,
-                                         needed);
+               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, params, buffer, offered,
-                                         needed);
+               return getprinter_level_7(Printer, snum, buffer, offered, needed);
        }
        return WERR_UNKNOWN_LEVEL;
 }      
@@ -5714,7 +5701,7 @@ 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, NULL))
                return WERR_BADFID;
@@ -6194,7 +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 )
@@ -7140,8 +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;
@@ -7313,7 +7301,7 @@ WERROR _spoolss_getform(pipes_struct *p, SPOOL_Q_GETFORM *q_u, SPOOL_R_GETFORM *
        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));
@@ -7415,8 +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;
        }
@@ -7924,8 +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 */
@@ -8115,14 +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;
@@ -8151,13 +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 */
                
@@ -8172,7 +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;
        }
@@ -8233,7 +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
@@ -8325,7 +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 );
        
@@ -9047,8 +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));
@@ -9113,10 +9115,9 @@ done:
                                status = WERR_NOMEM;
                                goto done;
                        }
-               } 
-               else {
+               } else {
                        *data = NULL;
-       }
+               }
        }
        
        if ( printer )
@@ -9180,8 +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 */
        
@@ -9258,8 +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 );
 
@@ -9307,7 +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 );
@@ -9382,7 +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 );       
 
@@ -9433,7 +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;
@@ -9453,7 +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));
@@ -9570,7 +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;