s3: Lift the server_messaging_context from get_stored_queue_info
[amitay/samba.git] / source3 / printing / printing.c
index bb293800078d1204b39238591325b4a83b8d0918..72e388fda744296f7d7625f95b3d9467cd22fbfd 100644 (file)
@@ -1,39 +1,41 @@
-/* 
+/*
    Unix SMB/Netbios implementation.
    Version 3.0
    printing backend routines
    Copyright (C) Andrew Tridgell 1992-2000
    Copyright (C) Jeremy Allison 2002
-   
+
    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 3 of the License, or
    (at your option) any later version.
-   
+
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
-   
+
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "includes.h"
 #include "printing.h"
+#include "librpc/gen_ndr/messaging.h"
+#include "../librpc/gen_ndr/ndr_spoolss.h"
+#include "nt_printing.h"
+#include "../librpc/gen_ndr/netlogon.h"
 
-extern SIG_ATOMIC_T got_sig_term;
-extern SIG_ATOMIC_T reload_after_sighup;
 extern struct current_user current_user;
 extern userdom_struct current_user_info;
 
 /* Current printer interface */
 static bool remove_from_jobs_changed(const char* sharename, uint32 jobid);
 
-/* 
+/*
    the printing backend revolves around a tdb database that stores the
-   SMB view of the print queue 
-   
+   SMB view of the print queue
+
    The key for this database is a jobid - a internally generated number that
    uniquely identifies a print job
 
@@ -41,7 +43,7 @@ static bool remove_from_jobs_changed(const char* sharename, uint32 jobid);
      - possibly running lpq and updating the internal database from that
      - reading entries from the database
 
-   jobids are assigned when a job starts spooling. 
+   jobids are assigned when a job starts spooling.
 */
 
 static TDB_CONTEXT *rap_tdb;
@@ -116,10 +118,12 @@ bool rap_to_pjobid(uint16 rap_jobid, fstring sharename, uint32 *pjobid)
        key.dptr = buf;
        key.dsize = sizeof(rap_jobid);
        data = tdb_fetch(rap_tdb, key);
-       if ( data.dptr && data.dsize == sizeof(struct rap_jobid_key) ) 
+       if ( data.dptr && data.dsize == sizeof(struct rap_jobid_key) )
        {
                struct rap_jobid_key *jinfo = (struct rap_jobid_key*)data.dptr;
-               fstrcpy( sharename, jinfo->sharename );
+               if (sharename != NULL) {
+                       fstrcpy( sharename, jinfo->sharename );
+               }
                *pjobid = jinfo->jobid;
                DEBUG(10,("rap_to_pjobid: jobid %u maps to RAP jobid %u\n",
                        (unsigned int)*pjobid, (unsigned int)rap_jobid));
@@ -133,7 +137,7 @@ bool rap_to_pjobid(uint16 rap_jobid, fstring sharename, uint32 *pjobid)
        return False;
 }
 
-static void rap_jobid_delete(const char* sharename, uint32 jobid)
+void rap_jobid_delete(const char* sharename, uint32 jobid)
 {
        TDB_DATA key, data;
        uint16 rap_jobid;
@@ -225,10 +229,10 @@ void printing_end(void)
 }
 
 /****************************************************************************
- Retrieve the set of printing functions for a given service.  This allows 
+ Retrieve the set of printing functions for a given service.  This allows
  us to set the printer function table based on the value of the 'printing'
  service parameter.
+
  Use the generic interface as the default and only use cups interface only
  when asked for (and only when supported)
 ****************************************************************************/
@@ -250,7 +254,7 @@ static struct printif *get_printer_fns_from_type( enum printing_types type )
 #endif /* HAVE_IPRINT */
 
        printer_fns->type = type;
-       
+
        return printer_fns;
 }
 
@@ -274,10 +278,93 @@ static TDB_DATA print_key(uint32 jobid, uint32 *tmp)
        return ret;
 }
 
+/****************************************************************************
+ Pack the devicemode to store it in a tdb.
+****************************************************************************/
+static int pack_devicemode(struct spoolss_DeviceMode *devmode, uint8 *buf, int buflen)
+{
+       enum ndr_err_code ndr_err;
+       DATA_BLOB blob;
+       int len = 0;
+
+       if (devmode) {
+               ndr_err = ndr_push_struct_blob(&blob, talloc_tos(),
+                                              devmode,
+                                              (ndr_push_flags_fn_t)
+                                              ndr_push_spoolss_DeviceMode);
+               if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+                       DEBUG(10, ("pack_devicemode: "
+                                  "error encoding spoolss_DeviceMode\n"));
+                       goto done;
+               }
+       } else {
+               ZERO_STRUCT(blob);
+       }
+
+       len = tdb_pack(buf, buflen, "B", blob.length, blob.data);
+
+       if (devmode) {
+               DEBUG(8, ("Packed devicemode [%s]\n", devmode->formname));
+       }
+
+done:
+       return len;
+}
+
+/****************************************************************************
+ Unpack the devicemode to store it in a tdb.
+****************************************************************************/
+static int unpack_devicemode(TALLOC_CTX *mem_ctx,
+                     const uint8 *buf, int buflen,
+                     struct spoolss_DeviceMode **devmode)
+{
+       struct spoolss_DeviceMode *dm;
+       enum ndr_err_code ndr_err;
+       char *data = NULL;
+       int data_len = 0;
+       DATA_BLOB blob;
+       int len = 0;
+
+       *devmode = NULL;
+
+       len = tdb_unpack(buf, buflen, "B", &data_len, &data);
+       if (!data) {
+               return len;
+       }
+
+       dm = talloc_zero(mem_ctx, struct spoolss_DeviceMode);
+       if (!dm) {
+               goto done;
+       }
+
+       blob = data_blob_const(data, data_len);
+
+       ndr_err = ndr_pull_struct_blob(&blob, dm, dm,
+                       (ndr_pull_flags_fn_t)ndr_pull_spoolss_DeviceMode);
+       if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+               DEBUG(10, ("unpack_devicemode: "
+                          "error parsing spoolss_DeviceMode\n"));
+               goto done;
+       }
+
+       DEBUG(8, ("Unpacked devicemode [%s](%s)\n",
+                 dm->devicename, dm->formname));
+       if (dm->driverextra_data.data) {
+               DEBUG(8, ("with a private section of %d bytes\n",
+                         dm->__driverextra_length));
+       }
+
+       *devmode = dm;
+
+done:
+       SAFE_FREE(data);
+       return len;
+}
+
 /***********************************************************************
- unpack a pjob from a tdb buffer 
+ unpack a pjob from a tdb buffer
 ***********************************************************************/
+
 int unpack_pjob( uint8 *buf, int buflen, struct printjob *pjob )
 {
        int     len = 0;
@@ -287,7 +374,7 @@ int unpack_pjob( uint8 *buf, int buflen, struct printjob *pjob )
 
        if ( !buf || !pjob )
                return -1;
-               
+
        len += tdb_unpack(buf+len, buflen-len, "dddddddddffff",
                                &pjpid,
                                &pjsysjob,
@@ -302,13 +389,15 @@ int unpack_pjob( uint8 *buf, int buflen, struct printjob *pjob )
                                pjob->jobname,
                                pjob->user,
                                pjob->queuename);
-                               
+
        if ( len == -1 )
                return -1;
-               
-       if ( (used = unpack_devicemode(&pjob->nt_devmode, buf+len, buflen-len)) == -1 )
+
+        used = unpack_devicemode(NULL, buf+len, buflen-len, &pjob->devmode);
+        if (used == -1) {
                return -1;
-       
+        }
+
        len += used;
 
        pjob->pid = pjpid;
@@ -320,7 +409,7 @@ int unpack_pjob( uint8 *buf, int buflen, struct printjob *pjob )
        pjob->page_count = pjpage_count;
        pjob->spooled = pjspooled;
        pjob->smbjob = pjsmbjob;
-       
+
        return len;
 
 }
@@ -351,9 +440,7 @@ static struct printjob *print_job_find(const char *sharename, uint32 jobid)
                return NULL;
        }
 
-       if ( pjob.nt_devmode ) {
-               free_nt_devicemode( &pjob.nt_devmode );
-       }
+       talloc_free(pjob.devmode);
 
        ZERO_STRUCT( pjob );
 
@@ -449,7 +536,7 @@ static const struct {
        { LPQ_PAPEROUT, JOB_STATUS_PAPEROUT },
        { LPQ_PRINTED, JOB_STATUS_PRINTED },
        { LPQ_DELETED, JOB_STATUS_DELETED },
-       { LPQ_BLOCKED, JOB_STATUS_BLOCKED },
+       { LPQ_BLOCKED, JOB_STATUS_BLOCKED_DEVQ },
        { LPQ_USER_INTERVENTION, JOB_STATUS_USER_INTERVENTION },
        { -1, 0 }
 };
@@ -481,13 +568,13 @@ static void pjob_store_notify(const char* sharename, uint32 jobid, struct printj
        /* Job attributes that can't be changed.  We only send
           notification for these on a new job. */
 
-       /* ACHTUNG!  Due to a bug in Samba's spoolss parsing of the 
-          NOTIFY_INFO_DATA buffer, we *have* to send the job submission 
-          time first or else we'll end up with potential alignment 
-          errors.  I don't think the systemtime should be spooled as 
-          a string, but this gets us around that error.   
-          --jerry (i'll feel dirty for this) */
+       /* ACHTUNG!  Due to a bug in Samba's spoolss parsing of the
+          NOTIFY_INFO_DATA buffer, we *have* to send the job submission
+          time first or else we'll end up with potential alignment
+          errors.  I don't think the systemtime should be spooled as
+          a string, but this gets us around that error.
+          --jerry (i'll feel dirty for this) */
+
        if (new_job) {
                notify_job_submitted(sharename, jobid, new_data->starttime);
                notify_job_username(sharename, jobid, new_data->user);
@@ -524,7 +611,7 @@ static bool pjob_store(const char* sharename, uint32 jobid, struct printjob *pjo
        struct tdb_print_db     *pdb = get_print_db_byname(sharename);
        uint8                   *buf = NULL;
        int                     len, newlen, buflen;
-       
+
 
        if (!pdb)
                return False;
@@ -536,7 +623,7 @@ static bool pjob_store(const char* sharename, uint32 jobid, struct printjob *pjo
        /* Doh!  Now we have to pack/unpack data since the NT_DEVICEMODE was added */
 
        newlen = 0;
-       
+
        do {
                len = 0;
                buflen = newlen;
@@ -555,8 +642,8 @@ static bool pjob_store(const char* sharename, uint32 jobid, struct printjob *pjo
                                pjob->user,
                                pjob->queuename);
 
-               len += pack_devicemode(pjob->nt_devmode, buf+len, buflen-len);
-       
+               len += pack_devicemode(pjob->devmode, buf+len, buflen-len);
+
                if (buflen != len) {
                        buf = (uint8 *)SMB_REALLOC(buf, len);
                        if (!buf) {
@@ -566,8 +653,8 @@ static bool pjob_store(const char* sharename, uint32 jobid, struct printjob *pjo
                        newlen = len;
                }
        } while ( buflen != len );
-               
-       
+
+
        /* Store new data */
 
        new_data.dptr = buf;
@@ -587,7 +674,7 @@ static bool pjob_store(const char* sharename, uint32 jobid, struct printjob *pjo
                        if ( unpack_pjob( old_data.dptr, old_data.dsize, &old_pjob ) != -1 )
                        {
                                pjob_store_notify( sharename, jobid, &old_pjob , pjob );
-                               free_nt_devicemode( &old_pjob.nt_devmode );
+                               talloc_free(old_pjob.devmode);
                        }
                }
                else {
@@ -631,10 +718,10 @@ void pjob_delete(const char* sharename, uint32 jobid)
        /* We must cycle through JOB_STATUS_DELETING and
            JOB_STATUS_DELETED for the port monitor to delete the job
            properly. */
-       
+
        job_status = JOB_STATUS_DELETING|JOB_STATUS_DELETED;
        notify_job_status(sharename, jobid, job_status);
-       
+
        /* Remove from printing.tdb */
 
        tdb_delete(pdb->tdb, print_key(jobid, &tmp));
@@ -643,25 +730,6 @@ void pjob_delete(const char* sharename, uint32 jobid)
        rap_jobid_delete(sharename, jobid);
 }
 
-/****************************************************************************
- Parse a file name from the system spooler to generate a jobid.
-****************************************************************************/
-
-static uint32 print_parse_jobid(char *fname)
-{
-       int jobid;
-
-       if (strncmp(fname,PRINT_SPOOL_PREFIX,strlen(PRINT_SPOOL_PREFIX)) != 0)
-               return (uint32)-1;
-       fname += strlen(PRINT_SPOOL_PREFIX);
-
-       jobid = atoi(fname);
-       if (jobid <= 0)
-               return (uint32)-1;
-
-       return (uint32)jobid;
-}
-
 /****************************************************************************
  List a unix job in the print database.
 ****************************************************************************/
@@ -670,7 +738,7 @@ static void print_unix_job(const char *sharename, print_queue_struct *q, uint32
 {
        struct printjob pj, *old_pj;
 
-       if (jobid == (uint32)-1) 
+       if (jobid == (uint32)-1)
                jobid = q->job + UNIX_JOB_START;
 
        /* Preserve the timestamp on an existing unix print job */
@@ -723,11 +791,11 @@ static int traverse_fn_delete(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void
 
        if (  key.dsize != sizeof(jobid) )
                return 0;
-               
+
        jobid = IVAL(key.dptr, 0);
        if ( unpack_pjob( data.dptr, data.dsize, &pjob ) == -1 )
                return 0;
-       free_nt_devicemode( &pjob.nt_devmode );
+       talloc_free(pjob.devmode);
 
 
        if (!pjob.smbjob) {
@@ -743,7 +811,7 @@ static int traverse_fn_delete(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void
                                                (unsigned int)jobid ));
                        pjob_delete(ts->sharename, jobid);
                        return 0;
-               } 
+               }
 
                /* need to continue the the bottom of the function to
                   save the correct attributes */
@@ -764,7 +832,7 @@ static int traverse_fn_delete(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void
        }
 
        /* this check only makes sense for jobs submitted from Windows clients */
-       
+
        if ( pjob.smbjob ) {
                for (i=0;i<ts->qcount;i++) {
                        uint32 curr_jobid;
@@ -781,7 +849,7 @@ static int traverse_fn_delete(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void
                                if ( pjob.status == LPQ_DELETING ) {
                                        int result;
 
-                                       result = (*(ts->print_if->job_delete))( 
+                                       result = (*(ts->print_if->job_delete))(
                                                ts->sharename, ts->lprm_command, &pjob );
 
                                        if ( result != 0 ) {
@@ -794,14 +862,14 @@ static int traverse_fn_delete(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void
                                                pjob_delete(ts->sharename, jobid);
                                                pjob.status = LPQ_DELETED;
                                        }
-                                               
+
                                }
 
                                break;
                        }
                }
        }
-       
+
        /* The job isn't in the system queue - we have to assume it has
           completed, so delete the database entry. */
 
@@ -825,11 +893,11 @@ static int traverse_fn_delete(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void
                return 0;
        }
 
-       /* Save the pjob attributes we will store. 
-          FIXME!!! This is the only place where queue->job 
+       /* Save the pjob attributes we will store.
+          FIXME!!! This is the only place where queue->job
           represents the SMB jobid      --jerry */
 
-       ts->queue[i].job = jobid;               
+       ts->queue[i].job = jobid;
        ts->queue[i].size = pjob.size;
        ts->queue[i].page_count = pjob.page_count;
        ts->queue[i].status = pjob.status;
@@ -903,7 +971,7 @@ static void set_updating_pid(const fstring sharename, bool updating)
        TDB_DATA data;
        pid_t updating_pid = sys_getpid();
        uint8 buffer[4];
-       
+
        struct tdb_print_db *pdb = get_print_db_byname(sharename);
 
        if (!pdb)
@@ -911,8 +979,8 @@ static void set_updating_pid(const fstring sharename, bool updating)
 
        slprintf(keystr, sizeof(keystr)-1, "UPDATING/%s", sharename);
        key = string_tdb_data(keystr);
-       
-       DEBUG(5, ("set_updating_pid: %s updating lpq cache for print share %s\n", 
+
+       DEBUG(5, ("set_updating_pid: %s updating lpq cache for print share %s\n",
                updating ? "" : "not ",
                sharename ));
 
@@ -921,12 +989,12 @@ static void set_updating_pid(const fstring sharename, bool updating)
                release_print_db(pdb);
                return;
        }
-       
+
        SIVAL( buffer, 0, updating_pid);
        data.dptr = buffer;
        data.dsize = 4;         /* we always assume this is a 4 byte value */
 
-       tdb_store(pdb->tdb, key, data, TDB_REPLACE);    
+       tdb_store(pdb->tdb, key, data, TDB_REPLACE);
        release_print_db(pdb);
 }
 
@@ -1072,36 +1140,36 @@ static bool print_cache_expired(const char *sharename, bool check_pending)
         * that last lpq scan would stay around for a loooong loooong time... :-). JRA.
         */
 
-       if (last_qscan_time == ((time_t)-1) 
-               || (time_now - last_qscan_time) >= lp_lpqcachetime() 
-               || last_qscan_time > (time_now + MAX_CACHE_VALID_TIME)) 
+       if (last_qscan_time == ((time_t)-1)
+               || (time_now - last_qscan_time) >= lp_lpqcachetime()
+               || last_qscan_time > (time_now + MAX_CACHE_VALID_TIME))
        {
                uint32 u;
                time_t msg_pending_time;
 
-               DEBUG(4, ("print_cache_expired: cache expired for queue %s " 
-                       "(last_qscan_time = %d, time now = %d, qcachetime = %d)\n", 
-                       sharename, (int)last_qscan_time, (int)time_now, 
+               DEBUG(4, ("print_cache_expired: cache expired for queue %s "
+                       "(last_qscan_time = %d, time now = %d, qcachetime = %d)\n",
+                       sharename, (int)last_qscan_time, (int)time_now,
                        (int)lp_lpqcachetime() ));
 
-               /* check if another smbd has already sent a message to update the 
-                  queue.  Give the pending message one minute to clear and 
-                  then send another message anyways.  Make sure to check for 
+               /* check if another smbd has already sent a message to update the
+                  queue.  Give the pending message one minute to clear and
+                  then send another message anyways.  Make sure to check for
                   clocks that have been run forward and then back again. */
 
                snprintf(key, sizeof(key), "MSG_PENDING/%s", sharename);
 
-               if ( check_pending 
-                       && tdb_fetch_uint32( pdb->tdb, key, &u ) 
+               if ( check_pending
+                       && tdb_fetch_uint32( pdb->tdb, key, &u )
                        && (msg_pending_time=u) > 0
-                       && msg_pending_time <= time_now 
-                       && (time_now - msg_pending_time) < 60 ) 
+                       && msg_pending_time <= time_now
+                       && (time_now - msg_pending_time) < 60 )
                {
                        DEBUG(4,("print_cache_expired: message already pending for %s.  Accepting cache\n",
                                sharename));
                        goto done;
                }
-               
+
                result = True;
        }
 
@@ -1114,7 +1182,7 @@ done:
  main work for updating the lpq cahe for a printer queue
 ****************************************************************************/
 
-static void print_queue_update_internal( const char *sharename, 
+static void print_queue_update_internal( const char *sharename,
                                          struct printif *current_printif,
                                          char *lpq_command, char *lprm_command )
 {
@@ -1132,7 +1200,7 @@ static void print_queue_update_internal( const char *sharename,
        if (!pdb) {
                return;
        }
-       
+
        DEBUG(5,("print_queue_update_internal: printer = %s, type = %d, lpq command = [%s]\n",
                sharename, current_printif->type, lpq_command));
 
@@ -1141,32 +1209,31 @@ static void print_queue_update_internal( const char *sharename,
         * attempting to get the lock and doing this
         * if the lpq takes a long time.
         */
-        
+
        slprintf(cachestr, sizeof(cachestr)-1, "CACHE/%s", sharename);
        tdb_store_int32(pdb->tdb, cachestr, (int)time(NULL));
 
         /* get the current queue using the appropriate interface */
        ZERO_STRUCT(status);
 
-       qcount = (*(current_printif->queue_get))(sharename, 
-               current_printif->type, 
+       qcount = (*(current_printif->queue_get))(sharename,
+               current_printif->type,
                lpq_command, &queue, &status);
 
-       DEBUG(3, ("print_queue_update_internal: %d job%s in queue for %s\n", 
+       DEBUG(3, ("print_queue_update_internal: %d job%s in queue for %s\n",
                qcount, (qcount != 1) ? "s" : "", sharename));
 
        /* Sort the queue by submission time otherwise they are displayed
           in hash order. */
 
-       qsort(queue, qcount, sizeof(print_queue_struct),
-               QSORT_CAST(printjob_comp));
+       TYPESAFE_QSORT(queue, qcount, printjob_comp);
 
        /*
          any job in the internal database that is marked as spooled
          and doesn't exist in the system queue is considered finished
          and removed from the database
 
-         any job in the system database but not in the internal database 
+         any job in the system database but not in the internal database
          is added as a unix job
 
          fill in any system job numbers as we go
@@ -1242,7 +1309,7 @@ static void print_queue_update_internal( const char *sharename,
        status.qcount = qcount;
        data.dptr = (uint8 *)&status;
        data.dsize = sizeof(status);
-       tdb_store(pdb->tdb, key, data, TDB_REPLACE);    
+       tdb_store(pdb->tdb, key, data, TDB_REPLACE);
 
        /*
         * Update the cache time again. We want to do this call
@@ -1274,7 +1341,7 @@ static void print_queue_update_internal( const char *sharename,
  smbd processes maytry to update the lpq cache concurrently).
 ****************************************************************************/
 
-static void print_queue_update_with_lock( const char *sharename, 
+static void print_queue_update_with_lock( const char *sharename,
                                           struct printif *current_printif,
                                           char *lpq_command, char *lprm_command )
 {
@@ -1291,7 +1358,7 @@ static void print_queue_update_with_lock( const char *sharename,
                release_print_db(pdb);
                return;
        }
-       
+
        /*
         * Check to see if someone else is doing this update.
         * This is essentially a mutex on the update.
@@ -1342,10 +1409,10 @@ static void print_queue_update_with_lock( const char *sharename,
        tdb_unlock_bystring(pdb->tdb, keystr);
 
        /* do the main work now */
-       
-       print_queue_update_internal( sharename, current_printif, 
+
+       print_queue_update_internal( sharename, current_printif,
                lpq_command, lprm_command );
-       
+
        /* Delete our pid from the db. */
        set_updating_pid(sharename, False);
        release_print_db(pdb);
@@ -1378,7 +1445,7 @@ static void print_queue_receive(struct messaging_context *msg,
                return;
        }
 
-       print_queue_update_with_lock(sharename, 
+       print_queue_update_with_lock(sharename,
                get_printer_fns_from_type((enum printing_types)printing_type),
                lpqcommand, lprmcommand );
 
@@ -1387,12 +1454,42 @@ static void print_queue_receive(struct messaging_context *msg,
        return;
 }
 
+static void printing_pause_fd_handler(struct tevent_context *ev,
+                                     struct tevent_fd *fde,
+                                     uint16_t flags,
+                                     void *private_data)
+{
+       /*
+        * If pause_pipe[1] is closed it means the parent smbd
+        * and children exited or aborted.
+        */
+       exit_server_cleanly(NULL);
+}
+
+extern struct child_pid *children;
+extern int num_children;
+
+static void add_child_pid(pid_t pid)
+{
+       struct child_pid *child;
+
+        child = SMB_MALLOC_P(struct child_pid);
+        if (child == NULL) {
+                DEBUG(0, ("Could not add child struct -- malloc failed\n"));
+                return;
+        }
+        child->pid = pid;
+        DLIST_ADD(children, child);
+        num_children += 1;
+}
+
 static pid_t background_lpq_updater_pid = -1;
 
 /****************************************************************************
 main thread of the background lpq updater
 ****************************************************************************/
-void start_background_queue(void)
+void start_background_queue(struct tevent_context *ev,
+                           struct messaging_context *msg_ctx)
 {
        /* Use local variables for this as we don't
         * need to save the parent side of this, just
@@ -1414,92 +1511,57 @@ void start_background_queue(void)
                exit(1);
        }
 
+       /* Track the printing pid along with other smbd children */
+       add_child_pid(background_lpq_updater_pid);
+
        if(background_lpq_updater_pid == 0) {
+               struct tevent_fd *fde;
+               int ret;
+               NTSTATUS status;
+
                /* Child. */
                DEBUG(5,("start_background_queue: background LPQ thread started\n"));
 
                close(pause_pipe[0]);
                pause_pipe[0] = -1;
 
-               if (!reinit_after_fork(smbd_messaging_context(),
-                                      smbd_event_context(), true)) {
+               status = reinit_after_fork(msg_ctx, ev, procid_self(), true);
+
+               if (!NT_STATUS_IS_OK(status)) {
                        DEBUG(0,("reinit_after_fork() failed\n"));
                        smb_panic("reinit_after_fork() failed");
                }
 
-               claim_connection( NULL, "smbd lpq backend",
-                       FLAG_MSG_GENERAL|FLAG_MSG_SMBD|FLAG_MSG_PRINT_GENERAL);
+               smbd_setup_sig_term_handler();
+               smbd_setup_sig_hup_handler(ev, msg_ctx);
 
-               if (!locking_init()) {
+               if (!serverid_register(procid_self(),
+                                      FLAG_MSG_GENERAL|FLAG_MSG_SMBD
+                                      |FLAG_MSG_PRINT_GENERAL)) {
                        exit(1);
                }
 
-               messaging_register(smbd_messaging_context(), NULL,
-                                  MSG_PRINTER_UPDATE, print_queue_receive);
-
-               DEBUG(5,("start_background_queue: background LPQ thread waiting for messages\n"));
-               while (1) {
-                       fd_set r_fds, w_fds;
-                       int ret;
-                       struct timeval to;
-                       int maxfd = 0;
-
-                       /* Process a signal and timed events now... */
-                       if (run_events(smbd_event_context(), 0, NULL, NULL)) {
-                               continue;
-                       }
-
-                       to.tv_sec = SMBD_SELECT_TIMEOUT;
-                       to.tv_usec = 0;
-
-                       /*
-                        * Setup the select fd sets.
-                        */
-
-                       FD_ZERO(&r_fds);
-                       FD_ZERO(&w_fds);
-
-                       /*
-                        * Are there any timed events waiting ? If so, ensure we don't
-                        * select for longer than it would take to wait for them.
-                        */
-
-                       {
-                               struct timeval now;
-                               GetTimeOfDay(&now);
-
-                               event_add_to_select_args(smbd_event_context(), &now,
-                                                        &r_fds, &w_fds, &to, &maxfd);
-                       }
-
-                       FD_SET(pause_pipe[1], &r_fds);
-                       maxfd = MAX(pause_pipe[1], maxfd);
-
-                       ret = sys_select(maxfd, &r_fds, &w_fds, NULL, &to);
-
-                       /* If pause_pipe[1] is closed it means the parent smbd
-                        * and children exited or aborted. */
-                       if (ret == 1 && FD_ISSET(pause_pipe[1], &r_fds)) {
-                                exit_server_cleanly(NULL);
-                       }
-
-                       /* check for some essential signals first */
-
-                        if (got_sig_term) {
-                                exit_server_cleanly(NULL);
-                        }
+               if (!locking_init()) {
+                       exit(1);
+               }
 
-                        if (reload_after_sighup) {
-                                change_to_root_user();
-                                DEBUG(1,("Reloading services after SIGHUP\n"));
-                                reload_services(False);
-                                reload_after_sighup = 0;
-                        }
+               messaging_register(msg_ctx, NULL, MSG_PRINTER_UPDATE,
+                                  print_queue_receive);
 
-                       if (run_events(smbd_event_context(), ret, &r_fds, &w_fds)) {
-                               continue;
-                       }
+               fde = tevent_add_fd(ev, ev, pause_pipe[1], TEVENT_FD_READ,
+                                   printing_pause_fd_handler,
+                                   NULL);
+               if (!fde) {
+                       DEBUG(0,("tevent_add_fd() failed for pause_pipe\n"));
+                       smb_panic("tevent_add_fd() failed for pause_pipe");
                }
+
+               DEBUG(5,("start_background_queue: background LPQ thread waiting for messages\n"));
+               ret = tevent_loop_wait(ev);
+               /* should not be reached */
+               DEBUG(0,("background_queue: tevent_loop_wait() exited with %d - %s\n",
+                        ret, (ret == 0) ? "out of events" : strerror(errno)));
+               exit(1);
        }
 
        close(pause_pipe[1]);
@@ -1509,7 +1571,8 @@ void start_background_queue(void)
 update the internal database from the system print queue for a queue
 ****************************************************************************/
 
-static void print_queue_update(int snum, bool force)
+static void print_queue_update(struct messaging_context *msg_ctx,
+                              int snum, bool force)
 {
        fstring key;
        fstring sharename;
@@ -1530,7 +1593,7 @@ static void print_queue_update(int snum, bool force)
        lpqcommand = talloc_string_sub2(ctx,
                        lp_lpqcommand(snum),
                        "%p",
-                       PRINTERNAME(snum),
+                       lp_printername(snum),
                        false, false, false);
        if (!lpqcommand) {
                return;
@@ -1550,7 +1613,7 @@ static void print_queue_update(int snum, bool force)
        lprmcommand = talloc_string_sub2(ctx,
                        lp_lprmcommand(snum),
                        "%p",
-                       PRINTERNAME(snum),
+                       lp_printername(snum),
                        false, false, false);
        if (!lprmcommand) {
                return;
@@ -1602,10 +1665,10 @@ static void print_queue_update(int snum, bool force)
        SMB_ASSERT( newlen == len );
 
        DEBUG(10,("print_queue_update: Sending message -> printer = %s, "
-               "type = %d, lpq command = [%s] lprm command = [%s]\n", 
+               "type = %d, lpq command = [%s] lprm command = [%s]\n",
                sharename, type, lpqcommand, lprmcommand ));
 
-       /* here we set a msg pending record for other smbd processes 
+       /* here we set a msg pending record for other smbd processes
           to throttle the number of duplicate print_queue_update msgs
           sent.  */
 
@@ -1627,9 +1690,8 @@ static void print_queue_update(int snum, bool force)
        release_print_db( pdb );
 
        /* finally send the message */
-       
-       messaging_send_buf(smbd_messaging_context(),
-                          pid_to_procid(background_lpq_updater_pid),
+
+       messaging_send_buf(msg_ctx, pid_to_procid(background_lpq_updater_pid),
                           MSG_PRINTER_UPDATE, (uint8 *)buffer, len);
 
        SAFE_FREE( buffer );
@@ -1639,7 +1701,7 @@ static void print_queue_update(int snum, bool force)
 
 /****************************************************************************
  Create/Update an entry in the print tdb that will allow us to send notify
- updates only to interested smbd's. 
+ updates only to interested smbd's.
 ****************************************************************************/
 
 bool print_notify_register_pid(int snum)
@@ -1655,17 +1717,17 @@ bool print_notify_register_pid(int snum)
        /* if (snum == -1), then the change notify request was
           on a print server handle and we need to register on
           all print queus */
-          
-       if (snum == -1) 
+
+       if (snum == -1)
        {
                int num_services = lp_numservices();
                int idx;
-               
+
                for ( idx=0; idx<num_services; idx++ ) {
                        if (lp_snum_ok(idx) && lp_print_ok(idx) )
                                print_notify_register_pid(idx);
                }
-               
+
                return True;
        }
        else /* register for a specific printer */
@@ -1730,7 +1792,7 @@ list for printer %s\n", printername));
 
 /****************************************************************************
  Update an entry in the print tdb that will allow us to send notify
- updates only to interested smbd's. 
+ updates only to interested smbd's.
 ****************************************************************************/
 
 bool print_notify_deregister_pid(int snum)
@@ -1745,17 +1807,17 @@ bool print_notify_deregister_pid(int snum)
 
        /* if ( snum == -1 ), we are deregister a print server handle
           which means to deregister on all print queues */
-          
-       if (snum == -1) 
+
+       if (snum == -1)
        {
                int num_services = lp_numservices();
                int idx;
-               
+
                for ( idx=0; idx<num_services; idx++ ) {
                        if ( lp_snum_ok(idx) && lp_print_ok(idx) )
                                print_notify_deregister_pid(idx);
                }
-               
+
                return True;
        }
        else /* deregister a specific printer */
@@ -1835,21 +1897,6 @@ bool print_job_exists(const char* sharename, uint32 jobid)
        return ret;
 }
 
-/****************************************************************************
- Give the fd used for a jobid.
-****************************************************************************/
-
-int print_job_fd(const char* sharename, uint32 jobid)
-{
-       struct printjob *pjob = print_job_find(sharename, jobid);
-       if (!pjob)
-               return -1;
-       /* don't allow another process to get this info - it is meaningless */
-       if (pjob->pid != sys_getpid())
-               return -1;
-       return pjob->fd;
-}
-
 /****************************************************************************
  Give the filename used for a jobid.
  Only valid for the process doing the spooling and when the job
@@ -1871,31 +1918,21 @@ char *print_job_fname(const char* sharename, uint32 jobid)
  has not been spooled.
 ****************************************************************************/
 
-NT_DEVICEMODE *print_job_devmode(const char* sharename, uint32 jobid)
+struct spoolss_DeviceMode *print_job_devmode(const char* sharename, uint32 jobid)
 {
        struct printjob *pjob = print_job_find(sharename, jobid);
-       
+
        if ( !pjob )
                return NULL;
-               
-       return pjob->nt_devmode;
-}
 
-/****************************************************************************
- Set the place in the queue for a job.
-****************************************************************************/
-
-bool print_job_set_place(const char *sharename, uint32 jobid, int place)
-{
-       DEBUG(2,("print_job_set_place not implemented yet\n"));
-       return False;
+       return pjob->devmode;
 }
 
 /****************************************************************************
  Set the name of a job. Only possible for owner.
 ****************************************************************************/
 
-bool print_job_set_name(const char *sharename, uint32 jobid, char *name)
+bool print_job_set_name(const char *sharename, uint32 jobid, const char *name)
 {
        struct printjob *pjob;
 
@@ -1907,6 +1944,28 @@ bool print_job_set_name(const char *sharename, uint32 jobid, char *name)
        return pjob_store(sharename, jobid, pjob);
 }
 
+/****************************************************************************
+ Get the name of a job. Only possible for owner.
+****************************************************************************/
+
+bool print_job_get_name(TALLOC_CTX *mem_ctx, const char *sharename, uint32_t jobid, char **name)
+{
+       struct printjob *pjob;
+
+       pjob = print_job_find(sharename, jobid);
+       if (!pjob || pjob->pid != sys_getpid()) {
+               return false;
+       }
+
+       *name = talloc_strdup(mem_ctx, pjob->jobname);
+       if (!*name) {
+               return false;
+       }
+
+       return true;
+}
+
+
 /***************************************************************************
  Remove a jobid from the 'jobs changed' list.
 ***************************************************************************/
@@ -1988,9 +2047,9 @@ static bool print_job_delete1(int snum, uint32 jobid)
                return True;
 
        /* Hrm - we need to be able to cope with deleting a job before it
-          has reached the spooler.  Just mark it as LPQ_DELETING and 
+          has reached the spooler.  Just mark it as LPQ_DELETING and
           let the print_queue_update() code rmeove the record */
-          
+
 
        if (pjob->sysjob == -1) {
                DEBUG(5, ("attempt to delete job %u not seen by lpr\n", (unsigned int)jobid));
@@ -2001,11 +2060,11 @@ static bool print_job_delete1(int snum, uint32 jobid)
        pjob->status = LPQ_DELETING;
        pjob_store(sharename, jobid, pjob);
 
-       if (pjob->spooled && pjob->sysjob != -1) 
+       if (pjob->spooled && pjob->sysjob != -1)
        {
                result = (*(current_printif->job_delete))(
-                       PRINTERNAME(snum),
-                       lp_lprmcommand(snum), 
+                       lp_printername(snum),
+                       lp_lprmcommand(snum),
                        pjob);
 
                /* Delete the tdb entry if the delete succeeded or the job hasn't
@@ -2049,77 +2108,77 @@ static bool is_owner(struct auth_serversupplied_info *server_info,
  Delete a print job.
 ****************************************************************************/
 
-bool print_job_delete(struct auth_serversupplied_info *server_info, int snum,
-                     uint32 jobid, WERROR *errcode)
+WERROR print_job_delete(struct auth_serversupplied_info *server_info,
+                       struct messaging_context *msg_ctx,
+                       int snum, uint32_t jobid)
 {
-       const char* sharename = lp_const_servicename( snum );
+       const char* sharename = lp_const_servicename(snum);
        struct printjob *pjob;
        bool    owner;
        char    *fname;
 
-       *errcode = WERR_OK;
-               
        owner = is_owner(server_info, lp_const_servicename(snum), jobid);
-       
+
        /* Check access against security descriptor or whether the user
           owns their job. */
 
-       if (!owner && 
-           !print_access_check(server_info, snum, JOB_ACCESS_ADMINISTER)) {
+       if (!owner &&
+           !print_access_check(server_info, msg_ctx, snum,
+                               JOB_ACCESS_ADMINISTER)) {
                DEBUG(3, ("delete denied by security descriptor\n"));
-               *errcode = WERR_ACCESS_DENIED;
 
                /* BEGIN_ADMIN_LOG */
-               sys_adminlog( LOG_ERR, 
+               sys_adminlog( LOG_ERR,
                              "Permission denied-- user not allowed to delete, \
 pause, or resume print job. User name: %s. Printer name: %s.",
                              uidtoname(server_info->utok.uid),
-                             PRINTERNAME(snum) );
+                             lp_printername(snum) );
                /* END_ADMIN_LOG */
 
-               return False;
+               return WERR_ACCESS_DENIED;
        }
 
-       /* 
+       /*
         * get the spooled filename of the print job
         * if this works, then the file has not been spooled
-        * to the underlying print system.  Just delete the 
+        * to the underlying print system.  Just delete the
         * spool file & return.
         */
-        
-       if ( (fname = print_job_fname( sharename, jobid )) != NULL )
-       {
+
+       fname = print_job_fname(sharename, jobid);
+       if (fname != NULL) {
                /* remove the spool file */
-               DEBUG(10,("print_job_delete: Removing spool file [%s]\n", fname ));
-               if ( unlink( fname ) == -1 ) {
-                       *errcode = map_werror_from_unix(errno);
-                       return False;
+               DEBUG(10, ("print_job_delete: "
+                          "Removing spool file [%s]\n", fname));
+               if (unlink(fname) == -1) {
+                       return map_werror_from_unix(errno);
                }
        }
-       
+
        if (!print_job_delete1(snum, jobid)) {
-               *errcode = WERR_ACCESS_DENIED;
-               return False;
+               return WERR_ACCESS_DENIED;
        }
 
        /* force update the database and say the delete failed if the
            job still exists */
 
-       print_queue_update(snum, True);
-       
+       print_queue_update(msg_ctx, snum, True);
+
        pjob = print_job_find(sharename, jobid);
-       if ( pjob && (pjob->status != LPQ_DELETING) )
-               *errcode = WERR_ACCESS_DENIED;
+       if (pjob && (pjob->status != LPQ_DELETING)) {
+               return WERR_ACCESS_DENIED;
+       }
 
-       return (pjob == NULL );
+       return WERR_PRINTER_HAS_JOBS_QUEUED;
 }
 
 /****************************************************************************
  Pause a job.
 ****************************************************************************/
 
-bool print_job_pause(struct auth_serversupplied_info *server_info, int snum,
-                    uint32 jobid, WERROR *errcode)
+bool print_job_pause(struct auth_serversupplied_info *server_info,
+                    struct messaging_context *msg_ctx,
+                    int snum, uint32 jobid, WERROR *errcode)
 {
        const char* sharename = lp_const_servicename(snum);
        struct printjob *pjob;
@@ -2127,7 +2186,7 @@ bool print_job_pause(struct auth_serversupplied_info *server_info, int snum,
        struct printif *current_printif = get_printer_fns( snum );
 
        pjob = print_job_find(sharename, jobid);
-       
+
        if (!pjob || !server_info) {
                DEBUG(10, ("print_job_pause: no pjob or user for jobid %u\n",
                        (unsigned int)jobid ));
@@ -2141,15 +2200,16 @@ bool print_job_pause(struct auth_serversupplied_info *server_info, int snum,
        }
 
        if (!is_owner(server_info, lp_const_servicename(snum), jobid) &&
-           !print_access_check(server_info, snum, JOB_ACCESS_ADMINISTER)) {
+           !print_access_check(server_info, msg_ctx, snum,
+                               JOB_ACCESS_ADMINISTER)) {
                DEBUG(3, ("pause denied by security descriptor\n"));
 
                /* BEGIN_ADMIN_LOG */
-               sys_adminlog( LOG_ERR, 
+               sys_adminlog( LOG_ERR,
                        "Permission denied-- user not allowed to delete, \
 pause, or resume print job. User name: %s. Printer name: %s.",
                              uidtoname(server_info->utok.uid),
-                             PRINTERNAME(snum) );
+                             lp_printername(snum) );
                /* END_ADMIN_LOG */
 
                *errcode = WERR_ACCESS_DENIED;
@@ -2180,8 +2240,9 @@ pause, or resume print job. User name: %s. Printer name: %s.",
  Resume a job.
 ****************************************************************************/
 
-bool print_job_resume(struct auth_serversupplied_info *server_info, int snum,
-                     uint32 jobid, WERROR *errcode)
+bool print_job_resume(struct auth_serversupplied_info *server_info,
+                     struct messaging_context *msg_ctx,
+                     int snum, uint32 jobid, WERROR *errcode)
 {
        const char *sharename = lp_const_servicename(snum);
        struct printjob *pjob;
@@ -2203,16 +2264,17 @@ bool print_job_resume(struct auth_serversupplied_info *server_info, int snum,
        }
 
        if (!is_owner(server_info, lp_const_servicename(snum), jobid) &&
-           !print_access_check(server_info, snum, JOB_ACCESS_ADMINISTER)) {
+           !print_access_check(server_info, msg_ctx, snum,
+                               JOB_ACCESS_ADMINISTER)) {
                DEBUG(3, ("resume denied by security descriptor\n"));
                *errcode = WERR_ACCESS_DENIED;
 
                /* BEGIN_ADMIN_LOG */
-               sys_adminlog( LOG_ERR, 
+               sys_adminlog( LOG_ERR,
                         "Permission denied-- user not allowed to delete, \
 pause, or resume print job. User name: %s. Printer name: %s.",
                              uidtoname(server_info->utok.uid),
-                             PRINTERNAME(snum) );
+                             lp_printername(snum) );
                /* END_ADMIN_LOG */
                return False;
        }
@@ -2241,7 +2303,7 @@ pause, or resume print job. User name: %s. Printer name: %s.",
 ssize_t print_job_write(int snum, uint32 jobid, const char *buf, SMB_OFF_T pos, size_t size)
 {
        const char* sharename = lp_const_servicename(snum);
-       int return_code;
+       ssize_t return_code;
        struct printjob *pjob;
 
        pjob = print_job_find(sharename, jobid);
@@ -2252,6 +2314,11 @@ ssize_t print_job_write(int snum, uint32 jobid, const char *buf, SMB_OFF_T pos,
        if (pjob->pid != sys_getpid())
                return -1;
 
+       /* if SMBD is spooling this can't be allowed */
+       if (pjob->status == PJOB_SMBD_SPOOLING) {
+               return -1;
+       }
+
        return_code = write_data_at_offset(pjob->fd, buf, size, pos);
 
        if (return_code>0) {
@@ -2284,7 +2351,7 @@ static int get_queue_status(const char* sharename, print_status_struct *status)
                data = tdb_fetch(pdb->tdb, string_tdb_data(keystr));
                if (data.dptr) {
                        if (data.dsize == sizeof(print_status_struct))
-                               /* this memcpy is ok since the status struct was 
+                               /* this memcpy is ok since the status struct was
                                   not packed before storing it in the tdb */
                                memcpy(status, data.dptr, sizeof(print_status_struct));
                        SAFE_FREE(data.dptr);
@@ -2299,18 +2366,19 @@ static int get_queue_status(const char* sharename, print_status_struct *status)
  Determine the number of jobs in a queue.
 ****************************************************************************/
 
-int print_queue_length(int snum, print_status_struct *pstatus)
+int print_queue_length(struct messaging_context *msg_ctx, int snum,
+                      print_status_struct *pstatus)
 {
        const char* sharename = lp_const_servicename( snum );
        print_status_struct status;
        int len;
 
        ZERO_STRUCT( status );
+
        /* make sure the database is up to date */
        if (print_cache_expired(lp_const_servicename(snum), True))
-               print_queue_update(snum, False);
+               print_queue_update(msg_ctx, snum, False);
+
        /* also fetch the queue status */
        memset(&status, 0, sizeof(status));
        len = get_queue_status(sharename, &status);
@@ -2325,50 +2393,72 @@ int print_queue_length(int snum, print_status_struct *pstatus)
  Allocate a jobid. Hold the lock for as short a time as possible.
 ***************************************************************************/
 
-static bool allocate_print_jobid(struct tdb_print_db *pdb, int snum, const char *sharename, uint32 *pjobid)
+static WERROR allocate_print_jobid(struct tdb_print_db *pdb, int snum,
+                                  const char *sharename, uint32 *pjobid)
 {
        int i;
        uint32 jobid;
+       enum TDB_ERROR terr;
+       int ret;
 
        *pjobid = (uint32)-1;
 
        for (i = 0; i < 3; i++) {
                /* Lock the database - only wait 20 seconds. */
-               if (tdb_lock_bystring_with_timeout(pdb->tdb, "INFO/nextjob", 20) == -1) {
-                       DEBUG(0,("allocate_print_jobid: failed to lock printing database %s\n", sharename));
-                       return False;
+               ret = tdb_lock_bystring_with_timeout(pdb->tdb,
+                                                    "INFO/nextjob", 20);
+               if (ret == -1) {
+                       DEBUG(0, ("allocate_print_jobid: "
+                                 "Failed to lock printing database %s\n",
+                                 sharename));
+                       terr = tdb_error(pdb->tdb);
+                       return ntstatus_to_werror(map_nt_error_from_tdb(terr));
                }
 
                if (!tdb_fetch_uint32(pdb->tdb, "INFO/nextjob", &jobid)) {
-                       if (tdb_error(pdb->tdb) != TDB_ERR_NOEXIST) {
-                               DEBUG(0, ("allocate_print_jobid: failed to fetch INFO/nextjob for print queue %s\n",
-                                       sharename));
-                               return False;
+                       terr = tdb_error(pdb->tdb);
+                       if (terr != TDB_ERR_NOEXIST) {
+                               DEBUG(0, ("allocate_print_jobid: "
+                                         "Failed to fetch INFO/nextjob "
+                                         "for print queue %s\n", sharename));
+                               tdb_unlock_bystring(pdb->tdb, "INFO/nextjob");
+                               return ntstatus_to_werror(map_nt_error_from_tdb(terr));
                        }
+                       DEBUG(10, ("allocate_print_jobid: "
+                                  "No existing jobid in %s\n", sharename));
                        jobid = 0;
                }
 
+               DEBUG(10, ("allocate_print_jobid: "
+                          "Read jobid %u from %s\n", jobid, sharename));
+
                jobid = NEXT_JOBID(jobid);
 
-               if (tdb_store_int32(pdb->tdb, "INFO/nextjob", jobid)==-1) {
-                       DEBUG(3, ("allocate_print_jobid: failed to store INFO/nextjob.\n"));
+               ret = tdb_store_int32(pdb->tdb, "INFO/nextjob", jobid);
+               if (ret == -1) {
+                       terr = tdb_error(pdb->tdb);
+                       DEBUG(3, ("allocate_print_jobid: "
+                                 "Failed to store INFO/nextjob.\n"));
                        tdb_unlock_bystring(pdb->tdb, "INFO/nextjob");
-                       return False;
+                       return ntstatus_to_werror(map_nt_error_from_tdb(terr));
                }
 
                /* We've finished with the INFO/nextjob lock. */
                tdb_unlock_bystring(pdb->tdb, "INFO/nextjob");
-                               
-               if (!print_job_exists(sharename, jobid))
+
+               if (!print_job_exists(sharename, jobid)) {
                        break;
+               }
+               DEBUG(10, ("allocate_print_jobid: "
+                          "Found jobid %u in %s\n", jobid, sharename));
        }
 
        if (i > 2) {
-               DEBUG(0, ("allocate_print_jobid: failed to allocate a print job for queue %s\n",
-                       sharename));
+               DEBUG(0, ("allocate_print_jobid: "
+                         "Failed to allocate a print job for queue %s\n",
+                         sharename));
                /* Probably full... */
-               errno = ENOSPC;
-               return False;
+               return WERR_NO_SPOOL_SPACE;
        }
 
        /* Store a dummy placeholder. */
@@ -2379,14 +2469,16 @@ static bool allocate_print_jobid(struct tdb_print_db *pdb, int snum, const char
                dum.dsize = 0;
                if (tdb_store(pdb->tdb, print_key(jobid, &tmp), dum,
                              TDB_INSERT) == -1) {
-                       DEBUG(3, ("allocate_print_jobid: jobid (%d) failed to store placeholder.\n",
-                               jobid ));
-                       return False;
+                       DEBUG(3, ("allocate_print_jobid: "
+                                 "jobid (%d) failed to store placeholder.\n",
+                                 jobid ));
+                       terr = tdb_error(pdb->tdb);
+                       return ntstatus_to_werror(map_nt_error_from_tdb(terr));
                }
        }
 
        *pjobid = jobid;
-       return True;
+       return WERR_OK;
 }
 
 /***************************************************************************
@@ -2408,78 +2500,175 @@ static bool add_to_jobs_changed(struct tdb_print_db *pdb, uint32 jobid)
                           data) == 0);
 }
 
+
 /***************************************************************************
Start spooling a job - return the jobid.
Do all checks needed to determine if we can start a job.
 ***************************************************************************/
 
-uint32 print_job_start(struct auth_serversupplied_info *server_info, int snum,
-                      char *jobname, NT_DEVICEMODE *nt_devmode )
+static WERROR print_job_checks(struct auth_serversupplied_info *server_info,
+                              struct messaging_context *msg_ctx,
+                              int snum, int *njobs)
 {
-       uint32 jobid;
-       char *path;
-       struct printjob pjob;
        const char *sharename = lp_const_servicename(snum);
-       struct tdb_print_db *pdb = get_print_db_byname(sharename);
-       int njobs;
-
-       errno = 0;
-
-       if (!pdb)
-               return (uint32)-1;
+       uint64_t dspace, dsize;
+       uint64_t minspace;
+       int ret;
 
-       if (!print_access_check(server_info, snum, PRINTER_ACCESS_USE)) {
-               DEBUG(3, ("print_job_start: job start denied by security descriptor\n"));
-               release_print_db(pdb);
-               return (uint32)-1;
+       if (!print_access_check(server_info, msg_ctx, snum,
+                               PRINTER_ACCESS_USE)) {
+               DEBUG(3, ("print_job_checks: "
+                         "job start denied by security descriptor\n"));
+               return WERR_ACCESS_DENIED;
        }
 
-       if (!print_time_access_check(lp_servicename(snum))) {
-               DEBUG(3, ("print_job_start: job start denied by time check\n"));
-               release_print_db(pdb);
-               return (uint32)-1;
+       if (!print_time_access_check(server_info, msg_ctx, sharename)) {
+               DEBUG(3, ("print_job_checks: "
+                         "job start denied by time check\n"));
+               return WERR_ACCESS_DENIED;
        }
 
-       path = lp_pathname(snum);
-
        /* see if we have sufficient disk space */
        if (lp_minprintspace(snum)) {
-               uint64_t dspace, dsize;
-               if (sys_fsusage(path, &dspace, &dsize) == 0 &&
-                   dspace < 2*(uint64_t)lp_minprintspace(snum)) {
-                       DEBUG(3, ("print_job_start: disk space check failed.\n"));
-                       release_print_db(pdb);
-                       errno = ENOSPC;
-                       return (uint32)-1;
+               minspace = lp_minprintspace(snum);
+               ret = sys_fsusage(lp_pathname(snum), &dspace, &dsize);
+               if (ret == 0 && dspace < 2*minspace) {
+                       DEBUG(3, ("print_job_checks: "
+                                 "disk space check failed.\n"));
+                       return WERR_NO_SPOOL_SPACE;
                }
        }
 
        /* for autoloaded printers, check that the printcap entry still exists */
-       if (lp_autoloaded(snum) && !pcap_printername_ok(lp_const_servicename(snum))) {
-               DEBUG(3, ("print_job_start: printer name %s check failed.\n", lp_const_servicename(snum) ));
-               release_print_db(pdb);
-               errno = ENOENT;
-               return (uint32)-1;
+       if (lp_autoloaded(snum) && !pcap_printername_ok(sharename)) {
+               DEBUG(3, ("print_job_checks: printer name %s check failed.\n",
+                         sharename));
+               return WERR_ACCESS_DENIED;
        }
 
        /* Insure the maximum queue size is not violated */
-       if ((njobs = print_queue_length(snum,NULL)) > lp_maxprintjobs(snum)) {
-               DEBUG(3, ("print_job_start: Queue %s number of jobs (%d) larger than max printjobs per queue (%d).\n",
-                       sharename, njobs, lp_maxprintjobs(snum) ));
+       *njobs = print_queue_length(msg_ctx, snum, NULL);
+       if (*njobs > lp_maxprintjobs(snum)) {
+               DEBUG(3, ("print_job_checks: Queue %s number of jobs (%d) "
+                         "larger than max printjobs per queue (%d).\n",
+                         sharename, *njobs, lp_maxprintjobs(snum)));
+               return WERR_NO_SPOOL_SPACE;
+       }
+
+       return WERR_OK;
+}
+
+/***************************************************************************
+ Create a job file.
+***************************************************************************/
+
+static WERROR print_job_spool_file(int snum, uint32_t jobid,
+                                  const char *output_file,
+                                  struct printjob *pjob)
+{
+       WERROR werr;
+       SMB_STRUCT_STAT st;
+       const char *path;
+       int len;
+
+       /* if this file is within the printer path, it means that smbd
+        * is spooling it and will pass us control when it is finished.
+        * Verify that the file name is ok, within path, and it is
+        * already already there */
+       if (output_file) {
+               path = lp_pathname(snum);
+               len = strlen(path);
+               if (strncmp(output_file, path, len) == 0 &&
+                   (output_file[len - 1] == '/' || output_file[len] == '/')) {
+
+                       /* verify path is not too long */
+                       if (strlen(output_file) >= sizeof(pjob->filename)) {
+                               return WERR_INVALID_NAME;
+                       }
+
+                       /* verify that the file exists */
+                       if (sys_stat(output_file, &st, false) != 0) {
+                               return WERR_INVALID_NAME;
+                       }
+
+                       fstrcpy(pjob->filename, output_file);
+
+                       DEBUG(3, ("print_job_spool_file:"
+                                 "External spooling activated"));
+
+                       /* we do not open the file until spooling is done */
+                       pjob->fd = -1;
+                       pjob->status = PJOB_SMBD_SPOOLING;
+
+                       return WERR_OK;
+               }
+       }
+
+       slprintf(pjob->filename, sizeof(pjob->filename)-1,
+                "%s/%s%.8u.XXXXXX", lp_pathname(snum),
+                PRINT_SPOOL_PREFIX, (unsigned int)jobid);
+       pjob->fd = mkstemp(pjob->filename);
+
+       if (pjob->fd == -1) {
+               werr = map_werror_from_unix(errno);
+               if (W_ERROR_EQUAL(werr, WERR_ACCESS_DENIED)) {
+                       /* Common setup error, force a report. */
+                       DEBUG(0, ("print_job_spool_file: "
+                                 "insufficient permissions to open spool "
+                                 "file %s.\n", pjob->filename));
+               } else {
+                       /* Normal case, report at level 3 and above. */
+                       DEBUG(3, ("print_job_spool_file: "
+                                 "can't open spool file %s\n",
+                                 pjob->filename));
+               }
+               return werr;
+       }
+
+       return WERR_OK;
+}
+
+/***************************************************************************
+ Start spooling a job - return the jobid.
+***************************************************************************/
+
+WERROR print_job_start(struct auth_serversupplied_info *server_info,
+                      struct messaging_context *msg_ctx,
+                      int snum, const char *docname, const char *filename,
+                      struct spoolss_DeviceMode *devmode, uint32_t *_jobid)
+{
+       uint32_t jobid;
+       char *path;
+       struct printjob pjob;
+       const char *sharename = lp_const_servicename(snum);
+       struct tdb_print_db *pdb = get_print_db_byname(sharename);
+       int njobs;
+       WERROR werr;
+
+       if (!pdb) {
+               return WERR_INTERNAL_DB_CORRUPTION;
+       }
+
+       path = lp_pathname(snum);
+
+       werr = print_job_checks(server_info, msg_ctx, snum, &njobs);
+       if (!W_ERROR_IS_OK(werr)) {
                release_print_db(pdb);
-               errno = ENOSPC;
-               return (uint32)-1;
+               return werr;
        }
 
-       DEBUG(10,("print_job_start: Queue %s number of jobs (%d), max printjobs = %d\n",
-               sharename, njobs, lp_maxprintjobs(snum) ));
+       DEBUG(10, ("print_job_start: "
+                  "Queue %s number of jobs (%d), max printjobs = %d\n",
+                  sharename, njobs, lp_maxprintjobs(snum)));
 
-       if (!allocate_print_jobid(pdb, snum, sharename, &jobid))
+       werr = allocate_print_jobid(pdb, snum, sharename, &jobid);
+       if (!W_ERROR_IS_OK(werr)) {
                goto fail;
+       }
 
        /* create the database entry */
-       
+
        ZERO_STRUCT(pjob);
-       
+
        pjob.pid = sys_getpid();
        pjob.sysjob = -1;
        pjob.fd = -1;
@@ -2488,15 +2677,15 @@ uint32 print_job_start(struct auth_serversupplied_info *server_info, int snum,
        pjob.size = 0;
        pjob.spooled = False;
        pjob.smbjob = True;
-       pjob.nt_devmode = nt_devmode;
-       
-       fstrcpy(pjob.jobname, jobname);
+       pjob.devmode = devmode;
+
+       fstrcpy(pjob.jobname, docname);
 
        fstrcpy(pjob.user, lp_printjob_username(snum));
        standard_sub_advanced(sharename, server_info->sanitized_username,
-                             path, server_info->utok.gid, 
+                             path, server_info->utok.gid,
                              server_info->sanitized_username,
-                             pdb_get_domain(server_info->sam_account),
+                             server_info->info3->base.domain.string,
                              pjob.user, sizeof(pjob.user)-1);
        /* ensure NULL termination */
        pjob.user[sizeof(pjob.user)-1] = '\0';
@@ -2504,20 +2693,8 @@ uint32 print_job_start(struct auth_serversupplied_info *server_info, int snum,
        fstrcpy(pjob.queuename, lp_const_servicename(snum));
 
        /* we have a job entry - now create the spool file */
-       slprintf(pjob.filename, sizeof(pjob.filename)-1, "%s/%s%.8u.XXXXXX", 
-                path, PRINT_SPOOL_PREFIX, (unsigned int)jobid);
-       pjob.fd = smb_mkstemp(pjob.filename);
-
-       if (pjob.fd == -1) {
-               if (errno == EACCES) {
-                       /* Common setup error, force a report. */
-                       DEBUG(0, ("print_job_start: insufficient permissions \
-to open spool file %s.\n", pjob.filename));
-               } else {
-                       /* Normal case, report at level 3 and above. */
-                       DEBUG(3, ("print_job_start: can't open spool file %s,\n", pjob.filename));
-                       DEBUGADD(3, ("errno = %d (%s).\n", errno, strerror(errno)));
-               }
+       werr = print_job_spool_file(snum, jobid, filename, &pjob);
+       if (!W_ERROR_IS_OK(werr)) {
                goto fail;
        }
 
@@ -2531,16 +2708,19 @@ to open spool file %s.\n", pjob.filename));
 
        release_print_db(pdb);
 
-       return jobid;
+       *_jobid = jobid;
+       return WERR_OK;
 
- fail:
-       if (jobid != -1)
+fail:
+       if (jobid != -1) {
                pjob_delete(sharename, jobid);
+       }
 
        release_print_db(pdb);
 
-       DEBUG(3, ("print_job_start: returning fail. Error = %s\n", strerror(errno) ));
-       return (uint32)-1;
+       DEBUG(3, ("print_job_start: returning fail. "
+                 "Error = %s\n", win_errstr(werr)));
+       return werr;
 }
 
 /****************************************************************************
@@ -2569,36 +2749,62 @@ void print_job_endpage(int snum, uint32 jobid)
  error.
 ****************************************************************************/
 
-bool print_job_end(int snum, uint32 jobid, enum file_close_type close_type)
+NTSTATUS print_job_end(struct messaging_context *msg_ctx, int snum,
+                      uint32 jobid, enum file_close_type close_type)
 {
        const char* sharename = lp_const_servicename(snum);
        struct printjob *pjob;
        int ret;
        SMB_STRUCT_STAT sbuf;
        struct printif *current_printif = get_printer_fns( snum );
+       NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
 
        pjob = print_job_find(sharename, jobid);
 
-       if (!pjob)
-               return False;
+       if (!pjob) {
+               return NT_STATUS_PRINT_CANCELLED;
+       }
 
-       if (pjob->spooled || pjob->pid != sys_getpid())
-               return False;
+       if (pjob->spooled || pjob->pid != sys_getpid()) {
+               return NT_STATUS_ACCESS_DENIED;
+       }
+
+       if (close_type == NORMAL_CLOSE || close_type == SHUTDOWN_CLOSE) {
+               if (pjob->status == PJOB_SMBD_SPOOLING) {
+                       /* take over the file now, smbd is done */
+                       if (sys_stat(pjob->filename, &sbuf, false) != 0) {
+                               status = map_nt_error_from_unix(errno);
+                               DEBUG(3, ("print_job_end: "
+                                         "stat file failed for jobid %d\n",
+                                         jobid));
+                               goto fail;
+                       }
+
+                       pjob->status = LPQ_SPOOLING;
+
+               } else {
 
-       if ((close_type == NORMAL_CLOSE || close_type == SHUTDOWN_CLOSE) &&
-                               (sys_fstat(pjob->fd, &sbuf) == 0)) {
-               pjob->size = sbuf.st_size;
-               close(pjob->fd);
-               pjob->fd = -1;
+                       if ((sys_fstat(pjob->fd, &sbuf, false) != 0)) {
+                               status = map_nt_error_from_unix(errno);
+                               close(pjob->fd);
+                               DEBUG(3, ("print_job_end: "
+                                         "stat file failed for jobid %d\n",
+                                         jobid));
+                               goto fail;
+                       }
+
+                       close(pjob->fd);
+               }
+
+               pjob->size = sbuf.st_ex_size;
        } else {
 
-               /* 
-                * Not a normal close or we couldn't stat the job file,
-                * so something has gone wrong. Cleanup.
+               /*
+                * Not a normal close, something has gone wrong. Cleanup.
                 */
-               close(pjob->fd);
-               pjob->fd = -1;
-               DEBUG(3,("print_job_end: failed to stat file for jobid %d\n", jobid ));
+               if (pjob->fd != -1) {
+                       close(pjob->fd);
+               }
                goto fail;
        }
 
@@ -2611,42 +2817,45 @@ bool print_job_end(int snum, uint32 jobid, enum file_close_type close_type)
                        pjob->filename, pjob->size ? "deleted" : "zero length" ));
                unlink(pjob->filename);
                pjob_delete(sharename, jobid);
-               return True;
+               return NT_STATUS_OK;
        }
 
-       pjob->smbjob = jobid;
-
        ret = (*(current_printif->job_submit))(snum, pjob);
 
-       if (ret)
+       if (ret) {
+               status = NT_STATUS_PRINT_CANCELLED;
                goto fail;
+       }
 
        /* The print job has been successfully handed over to the back-end */
-       
+
        pjob->spooled = True;
        pjob->status = LPQ_QUEUED;
        pjob_store(sharename, jobid, pjob);
-       
+
        /* make sure the database is up to date */
        if (print_cache_expired(lp_const_servicename(snum), True))
-               print_queue_update(snum, False);
-       
-       return True;
+               print_queue_update(msg_ctx, snum, False);
+
+       return NT_STATUS_OK;
 
 fail:
 
        /* The print job was not successfully started. Cleanup */
        /* Still need to add proper error return propagation! 010122:JRR */
+       pjob->fd = -1;
        unlink(pjob->filename);
        pjob_delete(sharename, jobid);
-       return False;
+       return status;
 }
 
 /****************************************************************************
  Get a snapshot of jobs in the system without traversing.
 ****************************************************************************/
 
-static bool get_stored_queue_info(struct tdb_print_db *pdb, int snum, int *pcount, print_queue_struct **ppqueue)
+static bool get_stored_queue_info(struct messaging_context *msg_ctx,
+                                 struct tdb_print_db *pdb, int snum,
+                                 int *pcount, print_queue_struct **ppqueue)
 {
        TDB_DATA data, cgdata;
        print_queue_struct *queue = NULL;
@@ -2661,8 +2870,8 @@ static bool get_stored_queue_info(struct tdb_print_db *pdb, int snum, int *pcoun
 
        /* make sure the database is up to date */
        if (print_cache_expired(lp_const_servicename(snum), True))
-               print_queue_update(snum, False);
+               print_queue_update(msg_ctx, snum, False);
+
        *pcount = 0;
        *ppqueue = NULL;
 
@@ -2671,10 +2880,10 @@ static bool get_stored_queue_info(struct tdb_print_db *pdb, int snum, int *pcoun
 
        /* Get the stored queue data. */
        data = tdb_fetch(pdb->tdb, string_tdb_data("INFO/linear_queue_array"));
-       
+
        if (data.dptr && data.dsize >= sizeof(qcount))
                len += tdb_unpack(data.dptr + len, data.dsize - len, "d", &qcount);
-               
+
        /* Get the changed jobs list. */
        cgdata = tdb_fetch(pdb->tdb, string_tdb_data("INFO/jobs_changed"));
        if (cgdata.dptr != NULL && (cgdata.dsize % 4 == 0))
@@ -2740,7 +2949,7 @@ static bool get_stored_queue_info(struct tdb_print_db *pdb, int snum, int *pcoun
        /* Sort the queue by submission time otherwise they are displayed
           in hash order. */
 
-       qsort(queue, total_count, sizeof(print_queue_struct), QSORT_CAST(printjob_comp));
+       TYPESAFE_QSORT(queue, total_count, printjob_comp);
 
        DEBUG(5,("get_stored_queue_info: total_count = %u\n", (unsigned int)total_count));
 
@@ -2764,7 +2973,7 @@ static bool get_stored_queue_info(struct tdb_print_db *pdb, int snum, int *pcoun
  set queue = NULL and status = NULL if you just want to update the cache
 ****************************************************************************/
 
-int print_queue_status(int snum, 
+int print_queue_status(int snum,
                       print_queue_struct **ppqueue,
                       print_status_struct *status)
 {
@@ -2777,7 +2986,7 @@ int print_queue_status(int snum,
        /* make sure the database is up to date */
 
        if (print_cache_expired(lp_const_servicename(snum), True))
-               print_queue_update(snum, False);
+               print_queue_update(server_messaging_context(), snum, False);
 
        /* return if we are done */
        if ( !ppqueue || !status )
@@ -2802,7 +3011,7 @@ int print_queue_status(int snum,
        data = tdb_fetch(pdb->tdb, key);
        if (data.dptr) {
                if (data.dsize == sizeof(*status)) {
-                       /* this memcpy is ok since the status struct was 
+                       /* this memcpy is ok since the status struct was
                           not packed before storing it in the tdb */
                        memcpy(status, data.dptr, sizeof(*status));
                }
@@ -2814,7 +3023,8 @@ int print_queue_status(int snum,
         * of entries, and then only retrieve the queue if necessary.
         */
 
-       if (!get_stored_queue_info(pdb, snum, &count, ppqueue)) {
+       if (!get_stored_queue_info(server_messaging_context(), pdb, snum,
+                                  &count, ppqueue)) {
                release_print_db(pdb);
                return 0;
        }
@@ -2827,28 +3037,26 @@ int print_queue_status(int snum,
  Pause a queue.
 ****************************************************************************/
 
-bool print_queue_pause(struct auth_serversupplied_info *server_info, int snum,
-                      WERROR *errcode)
+WERROR print_queue_pause(struct auth_serversupplied_info *server_info,
+                        struct messaging_context *msg_ctx, int snum)
 {
        int ret;
        struct printif *current_printif = get_printer_fns( snum );
-       
-       if (!print_access_check(server_info, snum,
+
+       if (!print_access_check(server_info, msg_ctx, snum,
                                PRINTER_ACCESS_ADMINISTER)) {
-               *errcode = WERR_ACCESS_DENIED;
-               return False;
+               return WERR_ACCESS_DENIED;
        }
-       
+
 
        become_root();
-               
+
        ret = (*(current_printif->queue_pause))(snum);
 
        unbecome_root();
-               
+
        if (ret != 0) {
-               *errcode = WERR_INVALID_PARAM;
-               return False;
+               return WERR_INVALID_PARAM;
        }
 
        /* force update the database */
@@ -2858,53 +3066,51 @@ bool print_queue_pause(struct auth_serversupplied_info *server_info, int snum,
 
        notify_printer_status(snum, PRINTER_STATUS_PAUSED);
 
-       return True;
+       return WERR_OK;
 }
 
 /****************************************************************************
  Resume a queue.
 ****************************************************************************/
 
-bool print_queue_resume(struct auth_serversupplied_info *server_info, int snum,
-                       WERROR *errcode)
+WERROR print_queue_resume(struct auth_serversupplied_info *server_info,
+                         struct messaging_context *msg_ctx, int snum)
 {
        int ret;
        struct printif *current_printif = get_printer_fns( snum );
 
-       if (!print_access_check(server_info, snum,
+       if (!print_access_check(server_info, msg_ctx, snum,
                                PRINTER_ACCESS_ADMINISTER)) {
-               *errcode = WERR_ACCESS_DENIED;
-               return False;
+               return WERR_ACCESS_DENIED;
        }
-       
+
        become_root();
-               
+
        ret = (*(current_printif->queue_resume))(snum);
 
        unbecome_root();
-               
+
        if (ret != 0) {
-               *errcode = WERR_INVALID_PARAM;
-               return False;
+               return WERR_INVALID_PARAM;
        }
 
        /* make sure the database is up to date */
        if (print_cache_expired(lp_const_servicename(snum), True))
-               print_queue_update(snum, True);
+               print_queue_update(msg_ctx, snum, True);
 
        /* Send a printer notify message */
 
        notify_printer_status(snum, PRINTER_STATUS_OK);
 
-       return True;
+       return WERR_OK;
 }
 
 /****************************************************************************
  Purge a queue - implemented by deleting all jobs that we can delete.
 ****************************************************************************/
 
-bool print_queue_purge(struct auth_serversupplied_info *server_info, int snum,
-                      WERROR *errcode)
+WERROR print_queue_purge(struct auth_serversupplied_info *server_info,
+                        struct messaging_context *msg_ctx, int snum)
 {
        print_queue_struct *queue;
        print_status_struct status;
@@ -2912,12 +3118,14 @@ bool print_queue_purge(struct auth_serversupplied_info *server_info, int snum,
        bool can_job_admin;
 
        /* Force and update so the count is accurate (i.e. not a cached count) */
-       print_queue_update(snum, True);
-       
-       can_job_admin = print_access_check(server_info, snum,
+       print_queue_update(msg_ctx, snum, True);
+
+       can_job_admin = print_access_check(server_info,
+                                          msg_ctx,
+                                          snum,
                                           JOB_ACCESS_ADMINISTER);
        njobs = print_queue_status(snum, &queue, &status);
-       
+
        if ( can_job_admin )
                become_root();
 
@@ -2929,14 +3137,14 @@ bool print_queue_purge(struct auth_serversupplied_info *server_info, int snum,
                        print_job_delete1(snum, queue[i].job);
                }
        }
-       
+
        if ( can_job_admin )
                unbecome_root();
 
        /* update the cache */
-       print_queue_update( snum, True );
+       print_queue_update(msg_ctx, snum, True);
 
        SAFE_FREE(queue);
 
-       return True;
+       return WERR_OK;
 }