Remove some statics
[samba.git] / source3 / rpc_server / srv_spoolss_nt.c
index 32cd5766af79763083194186f757537c613c9162..d49731272fb251b861ba36cb4b4179038b24ff6e 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. */
@@ -267,7 +267,7 @@ static Printer_entry *find_printer_index_by_hnd(pipes_struct *p, POLICY_HND *hnd
  Close printer index by handle.
 ****************************************************************************/
 
-static BOOL close_printer_handle(pipes_struct *p, POLICY_HND *hnd)
+static bool close_printer_handle(pipes_struct *p, POLICY_HND *hnd)
 {
        Printer_entry *Printer = find_printer_index_by_hnd(p, hnd);
 
@@ -290,7 +290,7 @@ WERROR delete_printer_hook( NT_USER_TOKEN *token, const char *sharename )
        pstring command;
        int ret;
        SE_PRIV se_printop = SE_PRINT_OPERATOR;
-       BOOL is_print_op = False;
+       bool is_print_op = False;
                
        /* can't fail if we don't try */
        
@@ -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;
@@ -373,7 +374,7 @@ 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);
@@ -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;
@@ -407,7 +401,7 @@ static BOOL get_printer_snum(pipes_struct *p, POLICY_HND *hnd, int *number,
  Check if it's \\server or \\server\printer
 ****************************************************************************/
 
-static BOOL set_printer_hnd_printertype(Printer_entry *Printer, char *handlename)
+static bool set_printer_hnd_printertype(Printer_entry *Printer, char *handlename)
 {
        DEBUG(3,("Setting printer type=%s\n", handlename));
 
@@ -437,14 +431,14 @@ static BOOL set_printer_hnd_printertype(Printer_entry *Printer, char *handlename
  XcvDataPort() interface.
 ****************************************************************************/
 
-static BOOL set_printer_hnd_name(Printer_entry *Printer, char *handlename)
+static bool set_printer_hnd_name(Printer_entry *Printer, char *handlename)
 {
        int snum;
        int n_services=lp_numservices();
        char *aprinter, *printername;
        const char *servername;
        fstring sname;
-       BOOL found=False;
+       bool found=False;
        NT_PRINTER_INFO_LEVEL *printer = NULL;
        WERROR result;
        
@@ -564,7 +558,7 @@ static BOOL set_printer_hnd_name(Printer_entry *Printer, char *handlename)
  Find first available printer slot. creates a printer handle for you.
  ****************************************************************************/
 
-static BOOL open_printer_hnd(pipes_struct *p, POLICY_HND *hnd, char *name, uint32 access_granted)
+static bool open_printer_hnd(pipes_struct *p, POLICY_HND *hnd, char *name, uint32 access_granted)
 {
        Printer_entry *new_printer;
 
@@ -613,13 +607,13 @@ static BOOL open_printer_hnd(pipes_struct *p, POLICY_HND *hnd, char *name, uint3
  given by (notify_type, notify_field).
  **************************************************************************/
 
-static BOOL is_monitoring_event_flags(uint32 flags, uint16 notify_type,
+static bool is_monitoring_event_flags(uint32 flags, uint16 notify_type,
                                      uint16 notify_field)
 {
        return True;
 }
 
-static BOOL is_monitoring_event(Printer_entry *p, uint16 notify_type,
+static bool is_monitoring_event(Printer_entry *p, uint16 notify_type,
                                uint16 notify_field)
 {
        SPOOL_NOTIFY_OPTION *option = p->notify.option;
@@ -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);
 }
 
@@ -1065,7 +1062,7 @@ done:
 /***********************************************************************
  **********************************************************************/
 
-static BOOL notify2_unpack_msg( SPOOLSS_NOTIFY_MSG *msg, struct timeval *tv, void *buf, size_t len )
+static bool notify2_unpack_msg( SPOOLSS_NOTIFY_MSG *msg, struct timeval *tv, void *buf, size_t len )
 {
 
        uint32 tv_sec, tv_usec;
@@ -1073,18 +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",
@@ -1097,7 +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;
 }
@@ -1106,18 +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;
        }
@@ -1147,7 +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;
                }
@@ -1155,7 +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;
                }
@@ -1198,7 +1198,7 @@ static void receive_notify2_message_list(int msg_type, struct process_id src,
  driver
  ********************************************************************/
  
-static BOOL srv_spoolss_drv_upgrade_printer(char* drivername)
+static bool srv_spoolss_drv_upgrade_printer(char* drivername)
 {
        int len = strlen(drivername);
        
@@ -1208,8 +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;
 }
@@ -1219,14 +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, (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 ));
 
@@ -1295,7 +1301,7 @@ void update_monitored_printq_cache( void )
  driver
  ********************************************************************/
  
-static BOOL srv_spoolss_reset_printerdata(char* drivername)
+static bool srv_spoolss_reset_printerdata(char* drivername)
 {
        int len = strlen(drivername);
        
@@ -1305,8 +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;
 }
@@ -1316,15 +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, (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 ));
 
@@ -1414,11 +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;
 }
 
@@ -1527,7 +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));
 
@@ -1726,10 +1741,10 @@ WERROR _spoolss_open_printer_ex( pipes_struct *p, SPOOL_Q_OPEN_PRINTER_EX *q_u,
 /****************************************************************************
 ****************************************************************************/
 
-static BOOL convert_printer_info(const SPOOL_PRINTER_INFO_LEVEL *uni,
+static bool convert_printer_info(const SPOOL_PRINTER_INFO_LEVEL *uni,
                                NT_PRINTER_INFO_LEVEL *printer, uint32 level)
 {
-       BOOL ret;
+       bool ret;
 
        switch (level) {
                case 2:
@@ -1754,10 +1769,10 @@ static BOOL convert_printer_info(const SPOOL_PRINTER_INFO_LEVEL *uni,
        return False;
 }
 
-static BOOL convert_printer_driver_info(const SPOOL_PRINTER_DRIVER_INFO_LEVEL *uni,
+static bool convert_printer_driver_info(const SPOOL_PRINTER_DRIVER_INFO_LEVEL *uni,
                                        NT_PRINTER_DRIVER_INFO_LEVEL *printer, uint32 level)
 {
-       BOOL result = True;
+       bool result = True;
 
        switch (level) {
                case 3:
@@ -1777,7 +1792,7 @@ static BOOL convert_printer_driver_info(const SPOOL_PRINTER_DRIVER_INFO_LEVEL *u
        return result;
 }
 
-BOOL convert_devicemode(const char *printername, const DEVICEMODE *devmode,
+bool convert_devicemode(const char *printername, const DEVICEMODE *devmode,
                                NT_DEVICEMODE **pp_nt_devmode)
 {
        NT_DEVICEMODE *nt_devmode = *pp_nt_devmode;
@@ -1975,8 +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 */
        
@@ -2054,7 +2069,7 @@ WERROR _spoolss_deleteprinterdriverex(pipes_struct *p, SPOOL_Q_DELETEPRINTERDRIV
        NT_PRINTER_DRIVER_INFO_LEVEL    info_win2k;
        int                             version;
        uint32                          flags = q_u->delete_flags;
-       BOOL                            delete_files;
+       bool                            delete_files;
        WERROR                          status;
        WERROR                          status_win2k = WERR_ACCESS_DENIED;
        SE_PRIV                         se_printop = SE_PRINT_OPERATOR; 
@@ -2070,8 +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) {
@@ -2253,6 +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;
        }
@@ -2385,20 +2401,20 @@ static WERROR getprinterdata_printer_server(TALLOC_CTX *ctx, fstring value, uint
                return WERR_OK;
        }
 
-       if (!StrCaseCmp(value, "DNSMachineName")) {                     
-               pstring hostname;
-               
-               if (!get_mydnsfullname(hostname))
+       if (!StrCaseCmp(value, "DNSMachineName")) {
+               const char *hostname = get_mydnsfullname();
+
+               if (!hostname)
                        return WERR_BADFILE;
                *type = REG_SZ;
-               *needed = 2*(strlen(hostname)+1);       
+               *needed = 2*(strlen(hostname)+1);
                if((*data  = (uint8 *)TALLOC(ctx, (*needed > in_size) ? *needed:in_size )) == NULL)
                        return WERR_NOMEM;
                memset(*data, 0, (*needed > in_size) ? *needed:in_size);
                for (i=0; i<strlen(hostname); i++) {
                        (*data)[2*i]=hostname[i];
                        (*data)[2*i+1]='\0';
-               }                       
+               }
                return WERR_OK;
        }
 
@@ -2447,7 +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 );
@@ -2493,9 +2509,8 @@ done:
                                if ( printer ) 
                                        free_a_printer( &printer, 2 );
                                return WERR_NOMEM;
-               } 
-               } 
-               else {
+                       } 
+               } else {
                        *data = NULL;
                }
        }
@@ -2512,27 +2527,29 @@ done:
  Connect to the client machine.
 **********************************************************/
 
-static BOOL spoolss_connect_to_client(struct rpc_pipe_client **pp_pipe,
-                       struct in_addr *client_ip, const char *remote_machine)
+static bool spoolss_connect_to_client(struct rpc_pipe_client **pp_pipe,
+                       struct sockaddr_storage *client_ss, const char *remote_machine)
 {
        NTSTATUS ret;
        struct cli_state *the_cli;
-       struct in_addr rm_addr;
+       struct sockaddr_storage rm_addr;
 
-       if ( is_zero_ip(*client_ip) ) {
+       if ( is_zero_addr(client_ss) ) {
                if ( !resolve_name( remote_machine, &rm_addr, 0x20) ) {
                        DEBUG(2,("spoolss_connect_to_client: Can't resolve address for %s\n", remote_machine));
                        return False;
                }
 
-               if ( ismyip( rm_addr )) {
+               if (ismyaddr(&rm_addr)) {
                        DEBUG(0,("spoolss_connect_to_client: Machine %s is one of our addresses. Cannot add to ourselves.\n", remote_machine));
                        return False;
                }
        } else {
-               rm_addr.s_addr = client_ip->s_addr;
+               char addr[INET6_ADDRSTRLEN];
+               rm_addr = *client_ss;
+               print_sockaddr(addr, sizeof(addr), &rm_addr);
                DEBUG(5,("spoolss_connect_to_client: Using address %s (no name resolution necessary)\n",
-                       inet_ntoa(*client_ip) ));
+                       addr));
        }
 
        /* setup the connection */
@@ -2579,9 +2596,9 @@ static BOOL spoolss_connect_to_client(struct rpc_pipe_client **pp_pipe,
  Connect to the client.
 ****************************************************************************/
 
-static BOOL srv_spoolss_replyopenprinter(int snum, const char *printer, 
+static bool srv_spoolss_replyopenprinter(int snum, const char *printer, 
                                        uint32 localprinter, uint32 type, 
-                                       POLICY_HND *handle, struct in_addr *client_ip)
+                                       POLICY_HND *handle, struct sockaddr_storage *client_ss)
 {
        WERROR result;
 
@@ -2594,10 +2611,12 @@ static BOOL srv_spoolss_replyopenprinter(int snum, const char *printer,
 
                fstrcpy(unix_printer, printer+2); /* the +2 is to strip the leading 2 backslashs */
 
-               if ( !spoolss_connect_to_client( &notify_cli_pipe, client_ip, unix_printer ))
+               if ( !spoolss_connect_to_client( &notify_cli_pipe, client_ss, 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 );
@@ -2643,7 +2662,7 @@ WERROR _spoolss_rffpcnex(pipes_struct *p, SPOOL_Q_RFFPCNEX *q_u, SPOOL_R_RFFPCNE
        uint32 printerlocal = q_u->printerlocal;
        int snum = -1;
        SPOOL_NOTIFY_OPTION *option = q_u->option;
-       struct in_addr client_ip;
+       struct sockaddr_storage client_ss;
 
        /* store the notify value in the printer struct */
 
@@ -2664,7 +2683,7 @@ 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 */
 
@@ -2673,12 +2692,16 @@ WERROR _spoolss_rffpcnex(pipes_struct *p, SPOOL_Q_RFFPCNEX *q_u, SPOOL_R_RFFPCNE
        else if ( (Printer->printer_type == SPLHND_PRINTER) &&
                        !get_printer_snum(p, handle, &snum, NULL) )
                return WERR_BADFID;
-               
-       client_ip.s_addr = inet_addr(p->conn->client_address);
+
+       if (!interpret_string_addr(&client_ss,
+                               p->conn->client_address,
+                               AI_NUMERICHOST)) {
+               return WERR_SERVER_UNAVAILABLE;
+       }
 
        if(!srv_spoolss_replyopenprinter(snum, Printer->notify.localmachine,
                                        Printer->notify.printerlocal, 1,
-                                       &Printer->notify.client_hnd, &client_ip))
+                                       &Printer->notify.client_hnd, &client_ss))
                return WERR_SERVER_UNAVAILABLE;
 
        Printer->notify.client_connected=True;
@@ -2702,14 +2725,17 @@ 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;
+       }
 }
 
 /*******************************************************************
@@ -2737,14 +2763,16 @@ 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);
 }
 
 /*******************************************************************
@@ -2763,14 +2791,17 @@ 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);
 }
 
 /*******************************************************************
@@ -2791,14 +2822,18 @@ 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;
+       }
 }
 
 /*******************************************************************
@@ -2818,14 +2853,18 @@ 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;
+       }
 }
 
 /*******************************************************************
@@ -2847,14 +2886,18 @@ 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;
+       }
 }
 
 /*******************************************************************
@@ -2874,14 +2917,18 @@ 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;
+       }
 }
 
 /*******************************************************************
@@ -2916,14 +2963,18 @@ 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;
+       }
 }
 
 /*******************************************************************
@@ -2943,14 +2994,18 @@ 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;
+       }
 }
 
 /*******************************************************************
@@ -2970,14 +3025,18 @@ 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;
+       }
 }
 
 /*******************************************************************
@@ -2997,14 +3056,18 @@ 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;
+       }
 }
 
 /*******************************************************************
@@ -3157,14 +3220,18 @@ 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;
+       }
 }
 
 /*******************************************************************
@@ -3197,14 +3264,18 @@ 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;
+       }
 }
 
 /*******************************************************************
@@ -3247,14 +3318,18 @@ 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;
+       }
 }
 
 /*******************************************************************
@@ -3495,7 +3570,7 @@ static uint32 type_of_notify_info_data(uint16 type, uint16 field)
 /****************************************************************************
 ****************************************************************************/
 
-static BOOL search_notify(uint16 type, uint16 field, int *value)
+static bool search_notify(uint16 type, uint16 field, int *value)
 {      
        int i;
 
@@ -3532,7 +3607,7 @@ void construct_info_data(SPOOL_NOTIFY_INFO_DATA *info_data, uint16 type, uint16
  *
  ********************************************************************/
 
-static BOOL construct_notify_printer_info(Printer_entry *print_hnd, SPOOL_NOTIFY_INFO *info, int
+static bool construct_notify_printer_info(Printer_entry *print_hnd, SPOOL_NOTIFY_INFO *info, int
                                          snum, SPOOL_NOTIFY_OPTION_TYPE
                                          *option_type, uint32 id,
                                          TALLOC_CTX *mem_ctx) 
@@ -3591,7 +3666,7 @@ static BOOL construct_notify_printer_info(Printer_entry *print_hnd, SPOOL_NOTIFY
  *
  ********************************************************************/
 
-static BOOL construct_notify_jobs_info(print_queue_struct *queue,
+static bool construct_notify_jobs_info(print_queue_struct *queue,
                                       SPOOL_NOTIFY_INFO *info,
                                       NT_PRINTER_INFO_LEVEL *printer,
                                       int snum, SPOOL_NOTIFY_OPTION_TYPE
@@ -3877,9 +3952,7 @@ 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;
@@ -3890,15 +3963,14 @@ 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;
        }
 
@@ -3909,7 +3981,7 @@ 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);
        }
@@ -3985,25 +4057,21 @@ 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. */
@@ -4040,7 +4108,7 @@ static void free_dev_mode(DEVICEMODE *dev)
  should be valid upon entry
 ****************************************************************************/
 
-static BOOL convert_nt_devicemode( DEVICEMODE *devmode, NT_DEVICEMODE *ntdevmode )
+static bool convert_nt_devicemode( DEVICEMODE *devmode, NT_DEVICEMODE *ntdevmode )
 {
        if ( !devmode || !ntdevmode )
                return False;
@@ -4094,7 +4162,7 @@ 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 ) {
@@ -4127,29 +4195,26 @@ 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. */
 
@@ -4170,7 +4235,7 @@ 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;
@@ -4181,7 +4246,7 @@ 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 );
        }
 
@@ -4195,15 +4260,12 @@ 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;
@@ -4217,13 +4279,11 @@ static BOOL construct_printer_info_3(Printer_entry *print_hnd,
        
        /* These are the components of the SD we are returning. */
 
-       printer->flags = 0x4; 
-
        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(), 
+               printer->secdesc = dup_sec_desc( talloc_tos(),
                        ntprinter->info_2->secdesc_buf->sd );
        }
 
@@ -4238,14 +4298,11 @@ 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 +4318,11 @@ 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);
@@ -4290,19 +4344,19 @@ static BOOL construct_printer_info_5(Printer_entry *print_hnd,
  * fill a printer_info_6 struct
  ********************************************************************/
 
-static BOOL construct_printer_info_6(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);
                
@@ -4316,15 +4370,14 @@ 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)) {
-               asprintf(&guid_str, "{%s}", smb_uuid_string_static(guid));
+       if (is_printer_published(print_hnd, snum, &guid)) {
+               asprintf(&guid_str, "{%s}",
+                        smb_uuid_string(talloc_tos(), guid));
                strupper_m(guid_str);
                init_unistr(&printer->guid, guid_str);
                printer->action = SPOOL_DS_PUBLISH;
@@ -4346,41 +4399,27 @@ static WERROR enum_all_printers_info_1(uint32 flags, RPC_BUFFER *buffer, uint32
        int i;
        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"));        
 
        for (snum=0; snum<n_services; snum++) {
-               PRINTER_INFO_1 current_prt;
-               struct share_params params;
-               params.service = snum;
-
-               if (!lp_browseable(snum) || !lp_snum_ok(snum) ||
-                   !lp_print_ok(snum) ) {
-                       continue;
-               }
-
-               DEBUG(4,("Found a printer in smb.conf: %s[%x]\n",
-                        lp_servicename(snum), snum));
-
-               if (!construct_printer_info_1(NULL, flags, &current_prt,
-                                             &params)) {
-                       continue;
-               }
+               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_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;
-                       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)++;
        }
                
        /* check the required size. */  
@@ -4546,39 +4585,29 @@ static WERROR enum_all_printers_info_2(RPC_BUFFER *buffer, uint32 offered, uint3
        int i;
        int n_services=lp_numservices();
        PRINTER_INFO_2 *printers=NULL;
+       PRINTER_INFO_2 current_prt;
        WERROR result = WERR_OK;
 
        *returned = 0;
 
        for (snum=0; snum<n_services; snum++) {
-               PRINTER_INFO_2 current_prt;
-               struct share_params params;
-               params.service = snum;
-               if (!lp_browseable(snum) || !lp_snum_ok(snum) ||
-                   !lp_print_ok(snum) ) {
-                       continue;
-               }
-               DEBUG(4,("Found a printer in smb.conf: %s[%x]\n",
-                        lp_servicename(snum), 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;
+                               }
 
-               if (!construct_printer_info_2(NULL, &current_prt,
-                                             &params)) {
-                       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;
-                       return WERR_NOMEM;
-               }
+                               DEBUG(4,("ReAlloced memory for [%d] PRINTER_INFO_2\n", *returned + 1));         
 
-               DEBUG(4,("ReAlloced memory for [%d] PRINTER_INFO_2\n",
-                        *returned + 1));
+                               memcpy(&printers[*returned], &current_prt, sizeof(PRINTER_INFO_2));
 
-               memcpy(&printers[*returned], &current_prt,
-                      sizeof(PRINTER_INFO_2));
-               (*returned)++;
+                               (*returned)++;
+                       }
+               }
        }
        
        /* check the required size. */  
@@ -4726,7 +4755,7 @@ 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) {
@@ -4746,10 +4775,7 @@ 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;
@@ -4757,7 +4783,7 @@ 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);
@@ -4786,10 +4812,7 @@ 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;
@@ -4797,8 +4820,7 @@ 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);
@@ -4826,10 +4848,7 @@ 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;
@@ -4837,7 +4856,7 @@ 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);
@@ -4866,15 +4885,12 @@ 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. */  
@@ -4903,10 +4919,7 @@ 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;
@@ -4914,7 +4927,7 @@ 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;
        }
@@ -4945,10 +4958,7 @@ 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;
@@ -4956,7 +4966,7 @@ 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;
        }
@@ -4985,7 +4995,7 @@ out:
 }
 
 static WERROR getprinter_level_6(Printer_entry *print_hnd,
-                                const struct share_params *params,
+                                int snum,
                                 RPC_BUFFER *buffer, uint32 offered,
                                 uint32 *needed)
 {
@@ -4996,7 +5006,7 @@ 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;
        }
@@ -5024,10 +5034,7 @@ 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;
@@ -5035,7 +5042,7 @@ 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. */  
@@ -5073,7 +5080,6 @@ 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;
 
@@ -5088,34 +5094,26 @@ 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;
 }      
@@ -5710,7 +5708,7 @@ 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;
@@ -5981,6 +5979,12 @@ 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
@@ -6060,7 +6064,7 @@ static WERROR update_printer_sec(POLICY_HND *handle, uint32 level,
  _spoolss_open_printer_ex().
  ********************************************************************/
 
-static BOOL check_printer_ok(NT_PRINTER_INFO_LEVEL_2 *info, int snum)
+static bool check_printer_ok(NT_PRINTER_INFO_LEVEL_2 *info, int snum)
 {
        fstring printername;
        const char *p;
@@ -6112,7 +6116,7 @@ WERROR add_port_hook(NT_USER_TOKEN *token, const char *portname, const char *uri
        int ret;
        int fd;
        SE_PRIV se_printop = SE_PRINT_OPERATOR;
-       BOOL is_print_op = False;
+       bool is_print_op = False;
 
        if ( !*cmd ) {
                return WERR_ACCESS_DENIED;
@@ -6151,7 +6155,7 @@ WERROR add_port_hook(NT_USER_TOKEN *token, const char *portname, const char *uri
 /****************************************************************************
 ****************************************************************************/
 
-BOOL add_printer_hook(NT_USER_TOKEN *token, NT_PRINTER_INFO_LEVEL *printer)
+bool add_printer_hook(NT_USER_TOKEN *token, NT_PRINTER_INFO_LEVEL *printer)
 {
        char *cmd = lp_addprinter_cmd();
        char **qlines;
@@ -6161,7 +6165,7 @@ BOOL add_printer_hook(NT_USER_TOKEN *token, NT_PRINTER_INFO_LEVEL *printer)
        int fd;
        fstring remote_machine = "%m";
        SE_PRIV se_printop = SE_PRINT_OPERATOR;
-       BOOL is_print_op = False;
+       bool is_print_op = False;
 
        standard_sub_basic(current_user_info.smb_name,
                           current_user_info.domain,
@@ -6184,7 +6188,8 @@ 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 )
@@ -6576,7 +6581,7 @@ static void fill_job_info_1(JOB_INFO_1 *job_info, const print_queue_struct *queu
 /****************************************************************************
 ****************************************************************************/
 
-static BOOL fill_job_info_2(JOB_INFO_2 *job_info, const print_queue_struct *queue,
+static bool fill_job_info_2(JOB_INFO_2 *job_info, const print_queue_struct *queue,
                             int position, int snum, 
                            const NT_PRINTER_INFO_LEVEL *ntprinter,
                            DEVICEMODE *devmode)
@@ -7130,8 +7135,8 @@ 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;
@@ -7288,7 +7293,7 @@ WERROR _spoolss_getform(pipes_struct *p, SPOOL_Q_GETFORM *q_u, SPOOL_R_GETFORM *
 
        nt_forms_struct *list=NULL;
        nt_forms_struct builtin_form;
-       BOOL foundBuiltin;
+       bool foundBuiltin;
        FORM_1 form_1;
        fstring form_name;
        int buffer_size=0;
@@ -7303,7 +7308,7 @@ 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));
@@ -7405,8 +7410,13 @@ 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;
        }
@@ -7914,8 +7924,8 @@ 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 */
@@ -8105,14 +8115,18 @@ 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;
@@ -8141,13 +8155,18 @@ 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 */
                
@@ -8162,7 +8181,7 @@ 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;
        }
@@ -8223,7 +8242,7 @@ 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
@@ -8315,7 +8334,7 @@ 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 );
        
@@ -8620,7 +8639,7 @@ 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;
@@ -8831,7 +8850,7 @@ static WERROR getjob_level_1(print_queue_struct **queue, int count, int snum,
                             uint32 *needed)
 {
        int i=0;
-       BOOL found=False;
+       bool found=False;
        JOB_INFO_1 *info_1=NULL;
        WERROR result = WERR_OK;
 
@@ -8883,7 +8902,7 @@ static WERROR getjob_level_2(print_queue_struct **queue, int count, int snum,
                             uint32 *needed)
 {
        int             i = 0;
-       BOOL            found = False;
+       bool            found = False;
        JOB_INFO_2      *info_2;
        WERROR          result;
        DEVICEMODE      *devmode = NULL;
@@ -9037,8 +9056,8 @@ 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));
@@ -9103,10 +9122,9 @@ done:
                                status = WERR_NOMEM;
                                goto done;
                        }
-               } 
-               else {
+               } else {
                        *data = NULL;
-       }
+               }
        }
        
        if ( printer )
@@ -9170,8 +9188,8 @@ 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 */
        
@@ -9248,8 +9266,8 @@ 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 );
 
@@ -9297,7 +9315,7 @@ 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 );
@@ -9372,7 +9390,7 @@ 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 );       
 
@@ -9423,7 +9441,7 @@ 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;
@@ -9443,7 +9461,7 @@ 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));
@@ -9493,7 +9511,7 @@ WERROR _spoolss_enumprinterdataex(pipes_struct *p, SPOOL_Q_ENUMPRINTERDATAEX *q_
                if ( 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;
@@ -9508,6 +9526,15 @@ 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;
 
@@ -9519,6 +9546,7 @@ 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;
        
@@ -9550,7 +9578,7 @@ 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;