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
#include "printing.h"
-extern int DEBUGLEVEL;
-
/* Current printer interface */
-struct printif *current_printif = &generic_printif;
+static struct printif *current_printif = &generic_printif;
/*
the printing backend revolves around a tdb database that stores the
jobids are assigned when a job starts spooling.
*/
-/* the open printing.tdb database */
-static TDB_CONTEXT *tdb;
+/***************************************************************************
+ Nightmare. LANMAN jobid's are 16 bit numbers..... We must map them to 32
+ bit RPC jobids.... JRA.
+***************************************************************************/
+
+static TDB_CONTEXT *rap_tdb;
+static uint16 next_rap_jobid;
+
+uint16 pjobid_to_rap(int snum, uint32 jobid)
+{
+ uint16 rap_jobid;
+ TDB_DATA data, key;
+ char jinfo[8];
+
+ if (!rap_tdb) {
+ /* Create the in-memory tdb. */
+ rap_tdb = tdb_open_log(NULL, 0, TDB_INTERNAL, (O_RDWR|O_CREAT), 0644);
+ if (!rap_tdb)
+ return 0;
+ }
+
+ SIVAL(&jinfo,0,(int32)snum);
+ SIVAL(&jinfo,4,jobid);
+
+ key.dptr = (char *)&jinfo;
+ key.dsize = sizeof(jinfo);
+ data = tdb_fetch(rap_tdb, key);
+ if (data.dptr && data.dsize == sizeof(uint16)) {
+ memcpy(&rap_jobid, data.dptr, sizeof(uint16));
+ SAFE_FREE(data.dptr);
+ return rap_jobid;
+ }
+ SAFE_FREE(data.dptr);
+ /* Not found - create and store mapping. */
+ rap_jobid = ++next_rap_jobid;
+ if (rap_jobid == 0)
+ rap_jobid = ++next_rap_jobid;
+ data.dptr = (char *)&rap_jobid;
+ data.dsize = sizeof(rap_jobid);
+ tdb_store(rap_tdb, key, data, TDB_REPLACE);
+ tdb_store(rap_tdb, data, key, TDB_REPLACE);
+ return rap_jobid;
+}
+
+BOOL rap_to_pjobid(uint16 rap_jobid, int *psnum, uint32 *pjobid)
+{
+ TDB_DATA data, key;
+ char jinfo[8];
+
+ if (!rap_tdb)
+ return False;
+
+ key.dptr = (char *)&rap_jobid;
+ key.dsize = sizeof(rap_jobid);
+ data = tdb_fetch(rap_tdb, key);
+ if (data.dptr && data.dsize == sizeof(jinfo)) {
+ *psnum = IVAL(&jinfo,0);
+ *pjobid = IVAL(&jinfo,4);
+ SAFE_FREE(data.dptr);
+ return True;
+ }
+ SAFE_FREE(data.dptr);
+ return False;
+}
+
+static void rap_jobid_delete(int snum, uint32 jobid)
+{
+ TDB_DATA key, data;
+ uint16 rap_jobid;
+ char jinfo[8];
+
+ if (!rap_tdb)
+ return;
+
+ SIVAL(&jinfo,0,(int32)snum);
+ SIVAL(&jinfo,4,jobid);
+
+ key.dptr = (char *)&jinfo;
+ key.dsize = sizeof(jinfo);
+ data = tdb_fetch(rap_tdb, key);
+ if (!data.dptr || (data.dsize != sizeof(uint16))) {
+ SAFE_FREE(data.dptr);
+ return;
+ }
+
+ memcpy(&rap_jobid, data.dptr, sizeof(uint16));
+ SAFE_FREE(data.dptr);
+ data.dptr = (char *)&rap_jobid;
+ data.dsize = sizeof(rap_jobid);
+ tdb_delete(rap_tdb, key);
+ tdb_delete(rap_tdb, data);
+}
+
static pid_t local_pid;
static int get_queue_status(int, print_status_struct *);
/****************************************************************************
-initialise the printing backend. Called once at startup.
-Does not survive a fork
+ Initialise the printing backend. Called once at startup before the fork().
****************************************************************************/
+
BOOL print_backend_init(void)
{
char *sversion = "INFO/version";
+ pstring printing_path;
+ int services = lp_numservices();
+ int snum;
+
+ if (local_pid == sys_getpid())
+ return True;
+
+ unlink(lock_path("printing.tdb"));
+ pstrcpy(printing_path,lock_path("printing"));
+ mkdir(printing_path,0755);
- if (tdb && local_pid == sys_getpid()) return True;
- tdb = tdb_open_log(lock_path("printing.tdb"), 0, USE_TDB_MMAP_FLAG, O_RDWR|O_CREAT, 0600);
- if (!tdb) {
- DEBUG(0,("print_backend_init: Failed to open printing backend database. Error = [%s]\n",
- tdb_errorstr(tdb)));
- return False;
- }
local_pid = sys_getpid();
/* handle a Samba upgrade */
- tdb_lock_bystring(tdb, sversion);
- if (tdb_fetch_int(tdb, sversion) != PRINT_DATABASE_VERSION) {
- tdb_traverse(tdb, (tdb_traverse_func)tdb_delete, NULL);
- tdb_store_int(tdb, sversion, PRINT_DATABASE_VERSION);
+
+ for (snum = 0; snum < services; snum++) {
+ struct tdb_print_db *pdb;
+ if (!lp_print_ok(snum))
+ continue;
+
+ pdb = get_print_db_byname(lp_const_servicename(snum));
+ if (!pdb)
+ continue;
+ if (tdb_lock_bystring(pdb->tdb, sversion, 0) == -1) {
+ DEBUG(0,("print_backend_init: Failed to open printer %s database\n", lp_const_servicename(snum) ));
+ release_print_db(pdb);
+ return False;
+ }
+ if (tdb_fetch_int32(pdb->tdb, sversion) != PRINT_DATABASE_VERSION) {
+ tdb_traverse(pdb->tdb, tdb_traverse_delete_fn, NULL);
+ tdb_store_int32(pdb->tdb, sversion, PRINT_DATABASE_VERSION);
+ }
+ tdb_unlock_bystring(pdb->tdb, sversion);
+ release_print_db(pdb);
}
- tdb_unlock_bystring(tdb, sversion);
+
+ close_all_print_db(); /* Don't leave any open. */
/* select the appropriate printing interface... */
#ifdef HAVE_CUPS
}
/****************************************************************************
-useful function to generate a tdb key
+ Shut down printing backend. Called once at shutdown to close the tdb.
+****************************************************************************/
+
+void printing_end(void)
+{
+ close_all_print_db(); /* Don't leave any open. */
+}
+
+/****************************************************************************
+ Useful function to generate a tdb key.
****************************************************************************/
-static TDB_DATA print_key(int jobid)
+
+static TDB_DATA print_key(uint32 jobid)
{
- static int j;
+ static uint32 j;
TDB_DATA ret;
j = jobid;
return ret;
}
+/***********************************************************************
+ unpack a pjob from a tdb buffer
+***********************************************************************/
+
+int unpack_pjob( char* buf, int buflen, struct printjob *pjob )
+{
+ int len = 0;
+ int used;
+
+ if ( !buf || !pjob )
+ return -1;
+
+ len += tdb_unpack(buf+len, buflen-len, "dddddddddffff",
+ &pjob->pid,
+ &pjob->sysjob,
+ &pjob->fd,
+ &pjob->starttime,
+ &pjob->status,
+ &pjob->size,
+ &pjob->page_count,
+ &pjob->spooled,
+ &pjob->smbjob,
+ pjob->filename,
+ pjob->jobname,
+ pjob->user,
+ pjob->queuename);
+
+ if ( len == -1 )
+ return -1;
+
+ if ( (used = unpack_devicemode(&pjob->nt_devmode, buf+len, buflen-len)) == -1 )
+ return -1;
+
+ len += used;
+
+ return len;
+
+}
+
/****************************************************************************
-useful function to find a print job in the database
+ Useful function to find a print job in the database.
****************************************************************************/
-static struct printjob *print_job_find(int jobid)
+
+static struct printjob *print_job_find(int snum, uint32 jobid)
{
- static struct printjob pjob;
- TDB_DATA ret;
+ static struct printjob pjob;
+ TDB_DATA ret;
+ struct tdb_print_db *pdb = get_print_db_byname(lp_const_servicename(snum));
+
- ret = tdb_fetch(tdb, print_key(jobid));
- if (!ret.dptr || ret.dsize != sizeof(pjob)) return NULL;
+ if (!pdb)
+ return NULL;
- memcpy(&pjob, ret.dptr, sizeof(pjob));
- free(ret.dptr);
+ ret = tdb_fetch(pdb->tdb, print_key(jobid));
+ release_print_db(pdb);
+
+ if (!ret.dptr)
+ return NULL;
+
+ if ( pjob.nt_devmode )
+ free_nt_devicemode( &pjob.nt_devmode );
+
+ ZERO_STRUCT( pjob );
+
+ if ( unpack_pjob( ret.dptr, ret.dsize, &pjob ) == -1 ) {
+ SAFE_FREE(ret.dptr);
+ return NULL;
+ }
+
+ SAFE_FREE(ret.dptr);
return &pjob;
}
+/* Convert a unix jobid to a smb jobid */
+
+static uint32 sysjob_to_jobid_value;
+
+static int unixjob_traverse_fn(TDB_CONTEXT *the_tdb, TDB_DATA key,
+ TDB_DATA data, void *state)
+{
+ struct printjob *pjob;
+ int *sysjob = (int *)state;
+
+ if (!data.dptr || data.dsize == 0)
+ return 0;
+
+ pjob = (struct printjob *)data.dptr;
+ if (key.dsize != sizeof(uint32))
+ return 0;
+
+ if (*sysjob == pjob->sysjob) {
+ uint32 *jobid = (uint32 *)key.dptr;
+
+ sysjob_to_jobid_value = *jobid;
+ return 1;
+ }
+
+ return 0;
+}
+
+/****************************************************************************
+ This is a *horribly expensive call as we have to iterate through all the
+ current printer tdb's. Don't do this often ! JRA.
+****************************************************************************/
+
+uint32 sysjob_to_jobid(int unix_jobid)
+{
+ int services = lp_numservices();
+ int snum;
+
+ sysjob_to_jobid_value = (uint32)-1;
+
+ for (snum = 0; snum < services; snum++) {
+ struct tdb_print_db *pdb;
+ if (!lp_print_ok(snum))
+ continue;
+ pdb = get_print_db_byname(lp_const_servicename(snum));
+ if (pdb)
+ tdb_traverse(pdb->tdb, unixjob_traverse_fn, &unix_jobid);
+ release_print_db(pdb);
+ if (sysjob_to_jobid_value != (uint32)-1)
+ return sysjob_to_jobid_value;
+ }
+ return (uint32)-1;
+}
+
+/****************************************************************************
+ Send notifications based on what has changed after a pjob_store.
+****************************************************************************/
+
+static struct {
+ uint32 lpq_status;
+ uint32 spoolss_status;
+} lpq_to_spoolss_status_map[] = {
+ { LPQ_QUEUED, JOB_STATUS_QUEUED },
+ { LPQ_PAUSED, JOB_STATUS_PAUSED },
+ { LPQ_SPOOLING, JOB_STATUS_SPOOLING },
+ { LPQ_PRINTING, JOB_STATUS_PRINTING },
+ { LPQ_DELETING, JOB_STATUS_DELETING },
+ { LPQ_OFFLINE, JOB_STATUS_OFFLINE },
+ { LPQ_PAPEROUT, JOB_STATUS_PAPEROUT },
+ { LPQ_PRINTED, JOB_STATUS_PRINTED },
+ { LPQ_DELETED, JOB_STATUS_DELETED },
+ { LPQ_BLOCKED, JOB_STATUS_BLOCKED },
+ { LPQ_USER_INTERVENTION, JOB_STATUS_USER_INTERVENTION },
+ { -1, 0 }
+};
+
+/* Convert a lpq status value stored in printing.tdb into the
+ appropriate win32 API constant. */
+
+static uint32 map_to_spoolss_status(uint32 lpq_status)
+{
+ int i = 0;
+
+ while (lpq_to_spoolss_status_map[i].lpq_status != -1) {
+ if (lpq_to_spoolss_status_map[i].lpq_status == lpq_status)
+ return lpq_to_spoolss_status_map[i].spoolss_status;
+ i++;
+ }
+
+ return 0;
+}
+
+static void pjob_store_notify(int snum, uint32 jobid, struct printjob *old_data,
+ struct printjob *new_data)
+{
+ BOOL new_job = False;
+
+ if (!old_data)
+ new_job = True;
+
+ /* Notify the job name first */
+
+ if (new_job || !strequal(old_data->jobname, new_data->jobname))
+ notify_job_name(snum, jobid, new_data->jobname);
+
+ /* Job attributes that can't be changed. We only send
+ notification for these on a new job. */
+
+ if (new_job) {
+ notify_job_submitted(snum, jobid, new_data->starttime);
+ notify_job_username(snum, jobid, new_data->user);
+ }
+
+ /* Job attributes of a new job or attributes that can be
+ modified. */
+
+ if (new_job || old_data->status != new_data->status)
+ notify_job_status(snum, jobid, map_to_spoolss_status(new_data->status));
+
+ if (new_job || old_data->size != new_data->size)
+ notify_job_total_bytes(snum, jobid, new_data->size);
+
+ if (new_job || old_data->page_count != new_data->page_count)
+ notify_job_total_pages(snum, jobid, new_data->page_count);
+}
+
+/****************************************************************************
+ Store a job structure back to the database.
+****************************************************************************/
+
+static BOOL pjob_store(int snum, uint32 jobid, struct printjob *pjob)
+{
+ TDB_DATA old_data, new_data;
+ BOOL ret = False;
+ struct tdb_print_db *pdb = get_print_db_byname(lp_const_servicename(snum));
+ char *buf = NULL;
+ int len, newlen, buflen;
+
+
+ if (!pdb)
+ return False;
+
+ /* Get old data */
+
+ old_data = tdb_fetch(pdb->tdb, print_key(jobid));
+
+ /* Doh! Now we have to pack/unpack data since the NT_DEVICEMODE was added */
+
+ newlen = 0;
+
+ do {
+ len = 0;
+ buflen = newlen;
+ len += tdb_pack(buf+len, buflen-len, "dddddddddffff",
+ pjob->pid,
+ pjob->sysjob,
+ pjob->fd,
+ pjob->starttime,
+ pjob->status,
+ pjob->size,
+ pjob->page_count,
+ pjob->spooled,
+ pjob->smbjob,
+ pjob->filename,
+ pjob->jobname,
+ pjob->user,
+ pjob->queuename);
+
+ len += pack_devicemode(pjob->nt_devmode, buf+len, buflen-len);
+
+ if (buflen != len) {
+ char *tb;
+
+ tb = (char *)Realloc(buf, len);
+ if (!tb) {
+ DEBUG(0,("pjob_store: failed to enlarge buffer!\n"));
+ goto done;
+ }
+ else
+ buf = tb;
+ newlen = len;
+ }
+ } while ( buflen != len );
+
+
+ /* Store new data */
+
+ new_data.dptr = buf;
+ new_data.dsize = len;
+ ret = (tdb_store(pdb->tdb, print_key(jobid), new_data, TDB_REPLACE) == 0);
+
+ release_print_db(pdb);
+
+ /* Send notify updates for what has changed */
+
+ if ( ret && (old_data.dsize == 0 || old_data.dsize == sizeof(*pjob)) )
+ pjob_store_notify( snum, jobid, (struct printjob *)old_data.dptr, pjob );
+
+done:
+ SAFE_FREE( old_data.dptr );
+ SAFE_FREE( buf );
+
+ return ret;
+}
+
/****************************************************************************
-store a job structure back to the database
+ Remove a job structure from the database.
****************************************************************************/
-static BOOL print_job_store(int jobid, struct printjob *pjob)
+
+static void pjob_delete(int snum, uint32 jobid)
{
- TDB_DATA d;
- d.dptr = (void *)pjob;
- d.dsize = sizeof(*pjob);
+ struct printjob *pjob = print_job_find(snum, jobid);
+ uint32 job_status = 0;
+ struct tdb_print_db *pdb = get_print_db_byname(lp_const_servicename(snum));
+
+ if (!pdb)
+ return;
+
+ if (!pjob) {
+ DEBUG(5, ("pjob_delete(): we were asked to delete nonexistent job %u\n",
+ (unsigned int)jobid));
+ release_print_db(pdb);
+ return;
+ }
+
+ /* Send a notification that a job has been deleted */
- return (tdb_store(tdb, print_key(jobid), d, TDB_REPLACE) == 0);
+ job_status = map_to_spoolss_status(pjob->status);
+
+ /* 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;
+ notify_job_status(snum, jobid, job_status);
+
+ job_status |= JOB_STATUS_DELETED;
+ notify_job_status(snum, jobid, job_status);
+
+ /* Remove from printing.tdb */
+
+ tdb_delete(pdb->tdb, print_key(jobid));
+ release_print_db(pdb);
+ rap_jobid_delete(snum, jobid);
}
/****************************************************************************
-parse a file name from the system spooler to generate a jobid
+ Parse a file name from the system spooler to generate a jobid.
****************************************************************************/
-static int print_parse_jobid(char *fname)
+
+static uint32 print_parse_jobid(char *fname)
{
int jobid;
- if (strncmp(fname,PRINT_SPOOL_PREFIX,strlen(PRINT_SPOOL_PREFIX)) != 0) return -1;
+ 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 -1;
+ if (jobid <= 0)
+ return (uint32)-1;
- return jobid;
+ return (uint32)jobid;
}
-
/****************************************************************************
-list a unix job in the print database
+ List a unix job in the print database.
****************************************************************************/
+
static void print_unix_job(int snum, print_queue_struct *q)
{
- int jobid = q->job + UNIX_JOB_START;
+ uint32 jobid = q->job + UNIX_JOB_START;
struct printjob pj, *old_pj;
/* Preserve the timestamp on an existing unix print job */
- old_pj = print_job_find(jobid);
+ old_pj = print_job_find(snum, jobid);
ZERO_STRUCT(pj);
pj.spooled = True;
pj.smbjob = False;
fstrcpy(pj.filename, "");
- fstrcpy(pj.jobname, q->file);
- fstrcpy(pj.user, q->user);
- fstrcpy(pj.qname, lp_servicename(snum));
+ fstrcpy(pj.jobname, q->fs_file);
+ fstrcpy(pj.user, q->fs_user);
+ fstrcpy(pj.queuename, lp_const_servicename(snum));
- print_job_store(jobid, &pj);
+ pjob_store(snum, jobid, &pj);
}
int qcount, snum, maxcount, total_jobs;
};
-/* utility fn to delete any jobs that are no longer active */
+/****************************************************************************
+ Utility fn to delete any jobs that are no longer active.
+****************************************************************************/
+
static int traverse_fn_delete(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void *state)
{
struct traverse_struct *ts = (struct traverse_struct *)state;
struct printjob pjob;
- int i, jobid;
+ uint32 jobid;
+ int i;
- if (data.dsize != sizeof(pjob) || key.dsize != sizeof(int)) return 0;
+ if ( key.dsize != sizeof(jobid) )
+ return 0;
+
memcpy(&jobid, key.dptr, sizeof(jobid));
- memcpy(&pjob, data.dptr, sizeof(pjob));
+ if ( unpack_pjob( data.dptr, data.dsize, &pjob ) == -1 )
+ return 0;
+ free_nt_devicemode( &pjob.nt_devmode );
- if (strcmp(lp_servicename(ts->snum), pjob.qname)) {
- /* this isn't for the queue we are looking at */
- ts->total_jobs++;
+
+ if (ts->snum != lp_servicenumber(pjob.queuename)) {
+ /* this isn't for the queue we are looking at - this cannot happen with the split tdb's. JRA */
return 0;
}
/* remove a unix job if it isn't in the system queue any more */
for (i=0;i<ts->qcount;i++) {
- if (jobid == ts->queue[i].job + UNIX_JOB_START) break;
+ uint32 u_jobid = (ts->queue[i].job + UNIX_JOB_START);
+ if (jobid == u_jobid)
+ break;
}
if (i == ts->qcount)
- tdb_delete(tdb, key);
+ pjob_delete(ts->snum, jobid);
else
ts->total_jobs++;
return 0;
exist then kill it. This cleans up after smbd
deaths */
if (!process_exists(pjob.pid))
- tdb_delete(tdb, key);
+ pjob_delete(ts->snum, jobid);
else
ts->total_jobs++;
return 0;
}
for (i=0;i<ts->qcount;i++) {
- int qid = print_parse_jobid(ts->queue[i].file);
- if (jobid == qid) break;
+ uint32 curr_jobid = print_parse_jobid(ts->queue[i].fs_file);
+ if (jobid == curr_jobid)
+ break;
}
/* The job isn't in the system queue - we have to assume it has
submitted less than lp_lpqcachetime() seconds ago. */
if ((cur_t - pjob.starttime) > lp_lpqcachetime())
- tdb_delete(t, key);
+ pjob_delete(ts->snum, jobid);
else
ts->total_jobs++;
}
}
/****************************************************************************
-check if the print queue has been updated recently enough
+ Check if the print queue has been updated recently enough.
****************************************************************************/
+
static void print_cache_flush(int snum)
{
fstring key;
- slprintf(key, sizeof(key)-1, "CACHE/%s", lp_servicename(snum));
- tdb_store_int(tdb, key, -1);
+ const char *printername = lp_const_servicename(snum);
+ struct tdb_print_db *pdb = get_print_db_byname(printername);
+
+ if (!pdb)
+ return;
+ slprintf(key, sizeof(key)-1, "CACHE/%s", printername);
+ tdb_store_int32(pdb->tdb, key, -1);
+ release_print_db(pdb);
}
/****************************************************************************
fstring keystr;
TDB_DATA data, key;
pid_t updating_pid;
+ struct tdb_print_db *pdb = get_print_db_byname(printer_name);
+ if (!pdb)
+ return (pid_t)-1;
slprintf(keystr, sizeof(keystr)-1, "UPDATING/%s", printer_name);
key.dptr = keystr;
key.dsize = strlen(keystr);
- data = tdb_fetch(tdb, key);
- if (!data.dptr || data.dsize != sizeof(pid_t))
+ data = tdb_fetch(pdb->tdb, key);
+ release_print_db(pdb);
+ if (!data.dptr || data.dsize != sizeof(pid_t)) {
+ SAFE_FREE(data.dptr);
return (pid_t)-1;
+ }
memcpy(&updating_pid, data.dptr, sizeof(pid_t));
- free(data.dptr);
+ SAFE_FREE(data.dptr);
if (process_exists(updating_pid))
return updating_pid;
/****************************************************************************
Set the fact that we're doing the update, or have finished doing the update
- in th tdb.
+ in the tdb.
****************************************************************************/
-static void set_updating_pid(fstring printer_name, BOOL delete)
+static void set_updating_pid(const fstring printer_name, BOOL delete)
{
fstring keystr;
TDB_DATA key;
TDB_DATA data;
- pid_t updating_pid = getpid();
+ pid_t updating_pid = sys_getpid();
+ struct tdb_print_db *pdb = get_print_db_byname(printer_name);
+
+ if (!pdb)
+ return;
slprintf(keystr, sizeof(keystr)-1, "UPDATING/%s", printer_name);
key.dptr = keystr;
key.dsize = strlen(keystr);
if (delete) {
- tdb_delete(tdb, key);
+ tdb_delete(pdb->tdb, key);
+ release_print_db(pdb);
return;
}
data.dptr = (void *)&updating_pid;
data.dsize = sizeof(pid_t);
- tdb_store(tdb, key, data, TDB_REPLACE);
+ tdb_store(pdb->tdb, key, data, TDB_REPLACE);
+ release_print_db(pdb);
}
/****************************************************************************
-update the internal database from the system print queue for a queue
+ Update the internal database from the system print queue for a queue.
****************************************************************************/
static void print_queue_update(int snum)
struct traverse_struct tstruct;
fstring keystr, printer_name, cachestr;
TDB_DATA data, key;
+ struct tdb_print_db *pdb;
+
+ fstrcpy(printer_name, lp_const_servicename(snum));
+ pdb = get_print_db_byname(printer_name);
+ if (!pdb)
+ return;
- fstrcpy(printer_name, lp_servicename(snum));
-
/*
* Check to see if someone else is doing this update.
* This is essentially a mutex on the update.
*/
- if (get_updating_pid(printer_name) != -1)
+ if (get_updating_pid(printer_name) != -1) {
+ release_print_db(pdb);
return;
+ }
/* Lock the queue for the database update */
slprintf(keystr, sizeof(keystr) - 1, "LOCK/%s", printer_name);
- tdb_lock_bystring(tdb, keystr);
+ /* Only wait 10 seconds for this. */
+ if (tdb_lock_bystring(pdb->tdb, keystr, 10) == -1) {
+ DEBUG(0,("print_queue_update: Failed to lock printer %s database\n", printer_name));
+ release_print_db(pdb);
+ return;
+ }
/*
* Ensure that no one else got in here.
/*
* Someone else is doing the update, exit.
*/
- tdb_unlock_bystring(tdb, keystr);
+ tdb_unlock_bystring(pdb->tdb, keystr);
+ release_print_db(pdb);
return;
}
* the update.
*/
- tdb_unlock_bystring(tdb, keystr);
+ tdb_unlock_bystring(pdb->tdb, keystr);
/*
* Update the cache time FIRST ! Stops others even
*/
slprintf(cachestr, sizeof(cachestr)-1, "CACHE/%s", printer_name);
- tdb_store_int(tdb, cachestr, (int)time(NULL));
+ tdb_store_int32(pdb->tdb, cachestr, (int)time(NULL));
/* get the current queue using the appropriate interface */
ZERO_STRUCT(status);
fill in any system job numbers as we go
*/
for (i=0; i<qcount; i++) {
- int jobid = print_parse_jobid(queue[i].file);
+ uint32 jobid = print_parse_jobid(queue[i].fs_file);
- if (jobid == -1) {
+ if (jobid == (uint32)-1) {
/* assume its a unix print job */
print_unix_job(snum, &queue[i]);
continue;
}
/* we have an active SMB print job - update its status */
- pjob = print_job_find(jobid);
+ pjob = print_job_find(snum, jobid);
if (!pjob) {
/* err, somethings wrong. Probably smbd was restarted
with jobs in the queue. All we can do is treat them
pjob->sysjob = queue[i].job;
pjob->status = queue[i].status;
- print_job_store(jobid, pjob);
+ pjob_store(snum, jobid, pjob);
}
/* now delete any queued entries that don't appear in the
tstruct.snum = snum;
tstruct.total_jobs = 0;
- tdb_traverse(tdb, traverse_fn_delete, (void *)&tstruct);
+ tdb_traverse(pdb->tdb, traverse_fn_delete, (void *)&tstruct);
- safe_free(tstruct.queue);
+ SAFE_FREE(tstruct.queue);
- tdb_store_int(tdb, "INFO/total_jobs", tstruct.total_jobs);
-
- /*
- * Get the old print status. We will use this to compare the
- * number of jobs. If they have changed we need to send a
- * "changed" message to the smbds.
- */
+ tdb_store_int32(pdb->tdb, "INFO/total_jobs", tstruct.total_jobs);
- if( qcount != get_queue_status(snum, &old_status)) {
+ if( qcount != get_queue_status(snum, &old_status))
DEBUG(10,("print_queue_update: queue status change %d jobs -> %d jobs for printer %s\n",
- old_status.qcount, qcount, printer_name ));
- message_send_all(conn_tdb_ctx(), MSG_PRINTER_NOTIFY, printer_name, strlen(printer_name) + 1, False);
- }
+ old_status.qcount, qcount, printer_name ));
/* store the new queue status structure */
slprintf(keystr, sizeof(keystr)-1, "STATUS/%s", printer_name);
status.qcount = qcount;
data.dptr = (void *)&status;
data.dsize = sizeof(status);
- tdb_store(tdb, key, data, TDB_REPLACE);
+ tdb_store(pdb->tdb, key, data, TDB_REPLACE);
/*
* Update the cache time again. We want to do this call
*/
slprintf(keystr, sizeof(keystr)-1, "CACHE/%s", printer_name);
- tdb_store_int(tdb, keystr, (int)time(NULL));
+ tdb_store_int32(pdb->tdb, keystr, (int32)time(NULL));
/* Delete our pid from the db. */
set_updating_pid(printer_name, True);
+ release_print_db(pdb);
}
/****************************************************************************
-check if a jobid is valid. It is valid if it exists in the database
+ Create/Update an entry in the print tdb that will allow us to send notify
+ updates only to interested smbd's.
****************************************************************************/
-BOOL print_job_exists(int jobid)
+
+BOOL print_notify_register_pid(int snum)
{
- return tdb_exists(tdb, print_key(jobid));
+ TDB_DATA data;
+ struct tdb_print_db *pdb = NULL;
+ TDB_CONTEXT *tdb = NULL;
+ const char *printername;
+ uint32 mypid = (uint32)sys_getpid();
+ BOOL ret = False;
+ size_t i;
+
+ /* 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)
+ {
+ 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 */
+ {
+ printername = lp_const_servicename(snum);
+ pdb = get_print_db_byname(printername);
+ if (!pdb)
+ return False;
+ tdb = pdb->tdb;
+ }
+
+ if (tdb_lock_bystring(tdb, NOTIFY_PID_LIST_KEY, 10) == -1) {
+ DEBUG(0,("print_notify_register_pid: Failed to lock printer %s\n",
+ printername));
+ if (pdb)
+ release_print_db(pdb);
+ return False;
+ }
+
+ data = get_printer_notify_pid_list( tdb, printername, True );
+
+ /* Add ourselves and increase the refcount. */
+
+ for (i = 0; i < data.dsize; i += 8) {
+ if (IVAL(data.dptr,i) == mypid) {
+ uint32 new_refcount = IVAL(data.dptr, i+4) + 1;
+ SIVAL(data.dptr, i+4, new_refcount);
+ break;
+ }
+ }
+
+ if (i == data.dsize) {
+ /* We weren't in the list. Realloc. */
+ data.dptr = Realloc(data.dptr, data.dsize + 8);
+ if (!data.dptr) {
+ DEBUG(0,("print_notify_register_pid: Relloc fail for printer %s\n",
+ printername));
+ goto done;
+ }
+ data.dsize += 8;
+ SIVAL(data.dptr,data.dsize - 8,mypid);
+ SIVAL(data.dptr,data.dsize - 4,1); /* Refcount. */
+ }
+
+ /* Store back the record. */
+ if (tdb_store_by_string(tdb, NOTIFY_PID_LIST_KEY, data, TDB_REPLACE) == -1) {
+ DEBUG(0,("print_notify_register_pid: Failed to update pid \
+list for printer %s\n", printername));
+ goto done;
+ }
+
+ ret = True;
+
+ done:
+
+ tdb_unlock_bystring(tdb, NOTIFY_PID_LIST_KEY);
+ if (pdb)
+ release_print_db(pdb);
+ SAFE_FREE(data.dptr);
+ return ret;
}
+/****************************************************************************
+ Update an entry in the print tdb that will allow us to send notify
+ updates only to interested smbd's.
+****************************************************************************/
+
+BOOL print_notify_deregister_pid(int snum)
+{
+ TDB_DATA data;
+ struct tdb_print_db *pdb = NULL;
+ TDB_CONTEXT *tdb = NULL;
+ const char *printername;
+ uint32 mypid = (uint32)sys_getpid();
+ size_t i;
+ BOOL ret = False;
+
+ /* if ( snum == -1 ), we are deregister a print server handle
+ which means to deregister on all print queues */
+
+ 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 */
+ {
+ printername = lp_const_servicename(snum);
+ pdb = get_print_db_byname(printername);
+ if (!pdb)
+ return False;
+ tdb = pdb->tdb;
+ }
+
+ if (tdb_lock_bystring(tdb, NOTIFY_PID_LIST_KEY, 10) == -1) {
+ DEBUG(0,("print_notify_register_pid: Failed to lock \
+printer %s database\n", printername));
+ if (pdb)
+ release_print_db(pdb);
+ return False;
+ }
+
+ data = get_printer_notify_pid_list( tdb, printername, True );
+
+ /* Reduce refcount. Remove ourselves if zero. */
+
+ for (i = 0; i < data.dsize; ) {
+ if (IVAL(data.dptr,i) == mypid) {
+ uint32 refcount = IVAL(data.dptr, i+4);
+
+ refcount--;
+
+ if (refcount == 0) {
+ if (data.dsize - i > 8)
+ memmove( &data.dptr[i], &data.dptr[i+8], data.dsize - i - 8);
+ data.dsize -= 8;
+ continue;
+ }
+ SIVAL(data.dptr, i+4, refcount);
+ }
+
+ i += 8;
+ }
+
+ if (data.dsize == 0)
+ SAFE_FREE(data.dptr);
+
+ /* Store back the record. */
+ if (tdb_store_by_string(tdb, NOTIFY_PID_LIST_KEY, data, TDB_REPLACE) == -1) {
+ DEBUG(0,("print_notify_register_pid: Failed to update pid \
+list for printer %s\n", printername));
+ goto done;
+ }
+
+ ret = True;
+
+ done:
+
+ tdb_unlock_bystring(tdb, NOTIFY_PID_LIST_KEY);
+ if (pdb)
+ release_print_db(pdb);
+ SAFE_FREE(data.dptr);
+ return ret;
+}
/****************************************************************************
-work out which service a jobid is for
-note that we have to look up by queue name to ensure that it works for
-other than the process that started the job
+ Check if a jobid is valid. It is valid if it exists in the database.
****************************************************************************/
-int print_job_snum(int jobid)
+
+BOOL print_job_exists(int snum, uint32 jobid)
{
- struct printjob *pjob = print_job_find(jobid);
- if (!pjob) return -1;
+ struct tdb_print_db *pdb = get_print_db_byname(lp_const_servicename(snum));
+ BOOL ret;
- return lp_servicenumber(pjob->qname);
+ if (!pdb)
+ return False;
+ ret = tdb_exists(pdb->tdb, print_key(jobid));
+ release_print_db(pdb);
+ return ret;
}
/****************************************************************************
-give the fd used for a jobid
+ Give the fd used for a jobid.
****************************************************************************/
-int print_job_fd(int jobid)
+
+int print_job_fd(int snum, uint32 jobid)
{
- struct printjob *pjob = print_job_find(jobid);
- if (!pjob) return -1;
+ struct printjob *pjob = print_job_find(snum, jobid);
+ if (!pjob)
+ return -1;
/* don't allow another process to get this info - it is meaningless */
- if (pjob->pid != local_pid) return -1;
+ if (pjob->pid != local_pid)
+ return -1;
return pjob->fd;
}
/****************************************************************************
-give the filename used for a jobid
-only valid for the process doing the spooling and when the job
-has not been spooled
+ Give the filename used for a jobid.
+ Only valid for the process doing the spooling and when the job
+ has not been spooled.
****************************************************************************/
-char *print_job_fname(int jobid)
+
+char *print_job_fname(int snum, uint32 jobid)
{
- struct printjob *pjob = print_job_find(jobid);
- if (!pjob || pjob->spooled || pjob->pid != local_pid) return NULL;
+ struct printjob *pjob = print_job_find(snum, jobid);
+ if (!pjob || pjob->spooled || pjob->pid != local_pid)
+ return NULL;
return pjob->filename;
}
/****************************************************************************
-set the place in the queue for a job
+ Give the filename used for a jobid.
+ Only valid for the process doing the spooling and when the job
+ has not been spooled.
+****************************************************************************/
+
+NT_DEVICEMODE *print_job_devmode(int snum, uint32 jobid)
+{
+ struct printjob *pjob = print_job_find(snum, jobid);
+
+ if ( !pjob )
+ return NULL;
+
+ return pjob->nt_devmode;
+}
+
+/****************************************************************************
+ Set the place in the queue for a job.
****************************************************************************/
-BOOL print_job_set_place(int jobid, int place)
+
+BOOL print_job_set_place(int snum, uint32 jobid, int place)
{
DEBUG(2,("print_job_set_place not implemented yet\n"));
return False;
}
/****************************************************************************
-set the name of a job. Only possible for owner
+ Set the name of a job. Only possible for owner.
****************************************************************************/
-BOOL print_job_set_name(int jobid, char *name)
+
+BOOL print_job_set_name(int snum, uint32 jobid, char *name)
{
- struct printjob *pjob = print_job_find(jobid);
- if (!pjob || pjob->pid != local_pid) return False;
+ struct printjob *pjob = print_job_find(snum, jobid);
+ if (!pjob || pjob->pid != local_pid)
+ return False;
fstrcpy(pjob->jobname, name);
- return print_job_store(jobid, pjob);
+ return pjob_store(snum, jobid, pjob);
}
-
/****************************************************************************
-delete a print job - don't update queue
+ Delete a print job - don't update queue.
****************************************************************************/
-static BOOL print_job_delete1(int jobid)
+
+static BOOL print_job_delete1(int snum, uint32 jobid)
{
- struct printjob *pjob = print_job_find(jobid);
- int snum, result = 0;
+ struct printjob *pjob = print_job_find(snum, jobid);
+ int result = 0;
- if (!pjob) return False;
+ if (!pjob)
+ return False;
/*
* If already deleting just return.
if (pjob->status == LPQ_DELETING)
return True;
- snum = print_job_snum(jobid);
-
/* Hrm - we need to be able to cope with deleting a job before it
has reached the spooler. */
if (pjob->sysjob == -1) {
- DEBUG(5, ("attempt to delete job %d not seen by lpr\n",
- jobid));
+ DEBUG(5, ("attempt to delete job %u not seen by lpr\n", (unsigned int)jobid));
}
/* Set the tdb entry to be deleting. */
pjob->status = LPQ_DELETING;
- print_job_store(jobid, pjob);
+ pjob_store(snum, jobid, pjob);
if (pjob->spooled && pjob->sysjob != -1)
result = (*(current_printif->job_delete))(snum, pjob);
/* Delete the tdb entry if the delete suceeded or the job hasn't
been spooled. */
- if (result == 0) {
- tdb_delete(tdb, print_key(jobid));
- }
+ if (result == 0)
+ pjob_delete(snum, jobid);
return (result == 0);
}
/****************************************************************************
-return true if the current user owns the print job
+ Return true if the current user owns the print job.
****************************************************************************/
-static BOOL is_owner(struct current_user *user, int jobid)
+
+static BOOL is_owner(struct current_user *user, int snum, uint32 jobid)
{
- struct printjob *pjob = print_job_find(jobid);
+ struct printjob *pjob = print_job_find(snum, jobid);
user_struct *vuser;
- if (!pjob || !user) return False;
+ if (!pjob || !user)
+ return False;
if ((vuser = get_valid_user_struct(user->vuid)) != NULL) {
return strequal(pjob->user, vuser->user.smb_name);
}
/****************************************************************************
-delete a print job
+ Delete a print job.
****************************************************************************/
-BOOL print_job_delete(struct current_user *user, int jobid, WERROR *errcode)
+
+BOOL print_job_delete(struct current_user *user, int snum, uint32 jobid, WERROR *errcode)
{
- int snum = print_job_snum(jobid);
- char *printer_name;
- BOOL owner;
-
- owner = is_owner(user, jobid);
+ BOOL owner, deleted;
+ char *fname;
+
+ *errcode = WERR_OK;
+
+ owner = is_owner(user, snum, jobid);
/* Check access against security descriptor or whether the user
owns their job. */
!print_access_check(user, snum, JOB_ACCESS_ADMINISTER)) {
DEBUG(3, ("delete denied by security descriptor\n"));
*errcode = WERR_ACCESS_DENIED;
+
+ /* BEGIN_ADMIN_LOG */
+ sys_adminlog( LOG_ERR, (char *)
+ "Permission denied-- user not allowed to delete, \
+pause, or resume print job. User name: %s. Printer name: %s.",
+ uidtoname(user->uid), PRINTERNAME(snum) );
+ /* END_ADMIN_LOG */
+
return False;
}
- if (!print_job_delete1(jobid)) return False;
+ /*
+ * 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
+ * spool file & return.
+ */
+
+ if ( (fname = print_job_fname( snum, jobid )) != 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;
+ }
+
+ return True;
+ }
+
+ if (!print_job_delete1(snum, jobid)) {
+ *errcode = WERR_ACCESS_DENIED;
+ return False;
+ }
/* force update the database and say the delete failed if the
job still exists */
print_queue_update(snum);
+
+ deleted = !print_job_exists(snum, jobid);
+ if ( !deleted )
+ *errcode = WERR_ACCESS_DENIED;
- /* Send a printer notify message */
-
- printer_name = PRINTERNAME(snum);
-
- message_send_all(conn_tdb_ctx(), MSG_PRINTER_NOTIFY, printer_name, strlen(printer_name) + 1, False);
-
- return !print_job_exists(jobid);
+ return deleted;
}
-
/****************************************************************************
-pause a job
+ Pause a job.
****************************************************************************/
-BOOL print_job_pause(struct current_user *user, int jobid, WERROR *errcode)
+
+BOOL print_job_pause(struct current_user *user, int snum, uint32 jobid, WERROR *errcode)
{
- struct printjob *pjob = print_job_find(jobid);
- int snum, ret = -1;
- char *printer_name;
+ struct printjob *pjob = print_job_find(snum, jobid);
+ int ret = -1;
- if (!pjob || !user) return False;
-
- if (!pjob->spooled || pjob->sysjob == -1) return False;
+ if (!pjob || !user)
+ return False;
- snum = print_job_snum(jobid);
+ if (!pjob->spooled || pjob->sysjob == -1)
+ return False;
- if (!is_owner(user, jobid) &&
+ if (!is_owner(user, snum, jobid) &&
!print_access_check(user, snum, JOB_ACCESS_ADMINISTER)) {
DEBUG(3, ("pause denied by security descriptor\n"));
+
+ /* BEGIN_ADMIN_LOG */
+ sys_adminlog( LOG_ERR, (char *)
+ "Permission denied-- user not allowed to delete, \
+pause, or resume print job. User name: %s. Printer name: %s.",
+ uidtoname(user->uid), PRINTERNAME(snum) );
+ /* END_ADMIN_LOG */
+
*errcode = WERR_ACCESS_DENIED;
return False;
}
/* Send a printer notify message */
- printer_name = PRINTERNAME(snum);
-
- message_send_all(conn_tdb_ctx(), MSG_PRINTER_NOTIFY, printer_name, strlen(printer_name) + 1, False);
+ notify_job_status(snum, jobid, JOB_STATUS_PAUSED);
/* how do we tell if this succeeded? */
}
/****************************************************************************
-resume a job
+ Resume a job.
****************************************************************************/
-BOOL print_job_resume(struct current_user *user, int jobid, WERROR *errcode)
+
+BOOL print_job_resume(struct current_user *user, int snum, uint32 jobid, WERROR *errcode)
{
- struct printjob *pjob = print_job_find(jobid);
- char *printer_name;
- int snum, ret;
+ struct printjob *pjob = print_job_find(snum, jobid);
+ int ret;
- if (!pjob || !user) return False;
-
- if (!pjob->spooled || pjob->sysjob == -1) return False;
+ if (!pjob || !user)
+ return False;
- snum = print_job_snum(jobid);
+ if (!pjob->spooled || pjob->sysjob == -1)
+ return False;
- if (!is_owner(user, jobid) &&
+ if (!is_owner(user, snum, jobid) &&
!print_access_check(user, snum, JOB_ACCESS_ADMINISTER)) {
DEBUG(3, ("resume denied by security descriptor\n"));
*errcode = WERR_ACCESS_DENIED;
+
+ /* BEGIN_ADMIN_LOG */
+ sys_adminlog( LOG_ERR, (char *)
+ "Permission denied-- user not allowed to delete, \
+pause, or resume print job. User name: %s. Printer name: %s.",
+ uidtoname(user->uid), PRINTERNAME(snum) );
+ /* END_ADMIN_LOG */
return False;
}
/* Send a printer notify message */
- printer_name = PRINTERNAME(snum);
-
- message_send_all(conn_tdb_ctx(),MSG_PRINTER_NOTIFY, printer_name, strlen(printer_name) + 1, False);
+ notify_job_status(snum, jobid, JOB_STATUS_QUEUED);
return True;
}
/****************************************************************************
-write to a print file
+ Write to a print file.
****************************************************************************/
-int print_job_write(int jobid, const char *buf, int size)
+
+int print_job_write(int snum, uint32 jobid, const char *buf, int size)
{
- int fd;
+ int return_code;
+ struct printjob *pjob = print_job_find(snum, jobid);
- fd = print_job_fd(jobid);
- if (fd == -1) return -1;
+ if (!pjob)
+ return -1;
+ /* don't allow another process to get this info - it is meaningless */
+ if (pjob->pid != local_pid)
+ return -1;
- return write(fd, buf, size);
+ return_code = write(pjob->fd, buf, size);
+ if (return_code>0) {
+ pjob->size += size;
+ pjob_store(snum, jobid, pjob);
+ }
+ return return_code;
}
/****************************************************************************
static BOOL print_cache_expired(int snum)
{
fstring key;
- time_t t2, t = time(NULL);
+ time_t last_qscan_time, time_now = time(NULL);
+ const char *printername = lp_const_servicename(snum);
+ struct tdb_print_db *pdb = get_print_db_byname(printername);
- slprintf(key, sizeof(key)-1, "CACHE/%s", lp_servicename(snum));
- t2 = tdb_fetch_int(tdb, key);
- if (t2 == ((time_t)-1) || (t - t2) >= lp_lpqcachetime()) {
- DEBUG(3, ("print cache expired\n"));
+ if (!pdb)
+ return False;
+
+ slprintf(key, sizeof(key), "CACHE/%s", printername);
+ last_qscan_time = (time_t)tdb_fetch_int32(pdb->tdb, key);
+
+ /*
+ * Invalidate the queue for 3 reasons.
+ * (1). last queue scan time == -1.
+ * (2). Current time - last queue scan time > allowed cache time.
+ * (3). last queue scan time > current time + MAX_CACHE_VALID_TIME (1 hour by default).
+ * This last test picks up machines for which the clock has been moved
+ * forward, an lpq scan done and then the clock moved back. Otherwise
+ * 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)) {
+ DEBUG(3, ("print cache expired for queue %s \
+(last_qscan_time = %d, time now = %d, qcachetime = %d)\n", printername,
+ (int)last_qscan_time, (int)time_now, (int)lp_lpqcachetime() ));
+ release_print_db(pdb);
return True;
}
+ release_print_db(pdb);
return False;
}
/****************************************************************************
Get the queue status - do not update if db is out of date.
****************************************************************************/
+
static int get_queue_status(int snum, print_status_struct *status)
{
fstring keystr;
TDB_DATA data, key;
+ const char *printername = lp_const_servicename(snum);
+ struct tdb_print_db *pdb = get_print_db_byname(printername);
+ if (!pdb)
+ return 0;
ZERO_STRUCTP(status);
- slprintf(keystr, sizeof(keystr)-1, "STATUS/%s", lp_servicename(snum));
+ slprintf(keystr, sizeof(keystr)-1, "STATUS/%s", printername);
key.dptr = keystr;
key.dsize = strlen(keystr);
- data = tdb_fetch(tdb, key);
+ data = tdb_fetch(pdb->tdb, key);
+ release_print_db(pdb);
if (data.dptr) {
- if (data.dsize == sizeof(print_status_struct)) {
+ if (data.dsize == sizeof(print_status_struct))
memcpy(status, data.dptr, sizeof(print_status_struct));
- }
- free(data.dptr);
+ SAFE_FREE(data.dptr);
}
return status->qcount;
}
/****************************************************************************
Determine the number of jobs in a queue.
****************************************************************************/
-static int print_queue_length(int snum)
+
+int print_queue_length(int snum, print_status_struct *pstatus)
{
print_status_struct status;
-
+ int len;
+
/* make sure the database is up to date */
- if (print_cache_expired(snum)) print_queue_update(snum);
-
+ if (print_cache_expired(snum))
+ print_queue_update(snum);
+
/* also fetch the queue status */
- return get_queue_status(snum, &status);
-}
-
-/****************************************************************************
- Determine the number of jobs in all queues.
-****************************************************************************/
-static int get_total_jobs(int snum)
-{
- int total_jobs;
-
- /* make sure the database is up to date */
- if (print_cache_expired(snum)) print_queue_update(snum);
-
- total_jobs = tdb_fetch_int(tdb, "INFO/total_jobs");
- if (total_jobs >0)
- return total_jobs;
- else
- return 0;
+ memset(&status, 0, sizeof(status));
+ len = get_queue_status(snum, &status);
+ if (pstatus)
+ *pstatus = status;
+ return len;
}
/***************************************************************************
-start spooling a job - return the jobid
+ Start spooling a job - return the jobid.
***************************************************************************/
-int print_job_start(struct current_user *user, int snum, char *jobname)
+
+uint32 print_job_start(struct current_user *user, int snum, char *jobname, NT_DEVICEMODE *nt_devmode )
{
- int jobid;
+ uint32 jobid;
char *path;
struct printjob pjob;
int next_jobid;
user_struct *vuser;
+ int njobs = 0;
+ const char *printername = lp_const_servicename(snum);
+ struct tdb_print_db *pdb = get_print_db_byname(printername);
+ BOOL pdb_locked = False;
errno = 0;
+ if (!pdb)
+ return (uint32)-1;
+
if (!print_access_check(user, snum, PRINTER_ACCESS_USE)) {
DEBUG(3, ("print_job_start: job start denied by security descriptor\n"));
- return -1;
+ release_print_db(pdb);
+ return (uint32)-1;
}
if (!print_time_access_check(snum)) {
DEBUG(3, ("print_job_start: job start denied by time check\n"));
- return -1;
+ release_print_db(pdb);
+ return (uint32)-1;
}
path = lp_pathname(snum);
if (sys_fsusage(path, &dspace, &dsize) == 0 &&
dspace < 2*(SMB_BIG_UINT)lp_minprintspace(snum)) {
DEBUG(3, ("print_job_start: disk space check failed.\n"));
+ release_print_db(pdb);
errno = ENOSPC;
- return -1;
+ return (uint32)-1;
}
}
/* for autoloaded printers, check that the printcap entry still exists */
- if (lp_autoloaded(snum) && !pcap_printername_ok(lp_servicename(snum), NULL)) {
- DEBUG(3, ("print_job_start: printer name %s check failed.\n", lp_servicename(snum) ));
+ if (lp_autoloaded(snum) && !pcap_printername_ok(lp_const_servicename(snum), NULL)) {
+ DEBUG(3, ("print_job_start: printer name %s check failed.\n", lp_const_servicename(snum) ));
+ release_print_db(pdb);
errno = ENOENT;
- return -1;
+ return (uint32)-1;
}
/* Insure the maximum queue size is not violated */
- if (lp_maxprintjobs(snum) && print_queue_length(snum) > lp_maxprintjobs(snum)) {
+ if ((njobs = print_queue_length(snum,NULL)) > lp_maxprintjobs(snum)) {
DEBUG(3, ("print_job_start: number of jobs (%d) larger than max printjobs per queue (%d).\n",
- print_queue_length(snum), lp_maxprintjobs(snum) ));
+ njobs, lp_maxprintjobs(snum) ));
+ release_print_db(pdb);
errno = ENOSPC;
- return -1;
+ return (uint32)-1;
}
- /* Insure the maximum print jobs in the system is not violated */
- if (lp_totalprintjobs() && get_total_jobs(snum) > lp_totalprintjobs()) {
- DEBUG(3, ("print_job_start: number of jobs (%d) larger than max printjobs per system (%d).\n",
- print_queue_length(snum), lp_totalprintjobs() ));
- errno = ENOSPC;
- return -1;
+ /* Lock the database - only wait 20 seconds. */
+ if (tdb_lock_bystring(pdb->tdb, "INFO/nextjob", 20) == -1) {
+ DEBUG(0,("print_job_start: failed to lock printing database %s\n", printername ));
+ release_print_db(pdb);
+ return (uint32)-1;
+ }
+
+ pdb_locked = True;
+
+ next_jobid = tdb_fetch_int32(pdb->tdb, "INFO/nextjob");
+ if (next_jobid == -1)
+ next_jobid = 1;
+
+ for (jobid = NEXT_JOBID(next_jobid); jobid != next_jobid; jobid = NEXT_JOBID(jobid)) {
+ if (!print_job_exists(snum, jobid))
+ break;
+ }
+
+ if (jobid == next_jobid) {
+ DEBUG(3, ("print_job_start: jobid (%d)==next_jobid(%d).\n",
+ jobid, next_jobid ));
+ jobid = -1;
+ goto fail;
+ }
+
+ /* Store a dummy placeholder. This must be quick as we have the lock. */
+ {
+ TDB_DATA dum;
+ dum.dptr = NULL;
+ dum.dsize = 0;
+ if (tdb_store(pdb->tdb, print_key(jobid), dum, TDB_INSERT) == -1) {
+ DEBUG(3, ("print_job_start: jobid (%d) failed to store placeholder.\n",
+ jobid ));
+ jobid = -1;
+ goto fail;
+ }
+ }
+
+ if (tdb_store_int32(pdb->tdb, "INFO/nextjob", jobid)==-1) {
+ DEBUG(3, ("print_job_start: failed to store INFO/nextjob.\n"));
+ jobid = -1;
+ goto fail;
}
+ /* We've finished with the INFO/nextjob lock. */
+ tdb_unlock_bystring(pdb->tdb, "INFO/nextjob");
+ pdb_locked = False;
+
/* create the database entry */
+
ZERO_STRUCT(pjob);
+
pjob.pid = local_pid;
pjob.sysjob = -1;
pjob.fd = -1;
pjob.size = 0;
pjob.spooled = False;
pjob.smbjob = True;
-
+ pjob.nt_devmode = nt_devmode;
+
fstrcpy(pjob.jobname, jobname);
if ((vuser = get_valid_user_struct(user->vuid)) != NULL) {
fstrcpy(pjob.user, uidtoname(user->uid));
}
- fstrcpy(pjob.qname, lp_servicename(snum));
-
- /* lock the database */
- tdb_lock_bystring(tdb, "INFO/nextjob");
-
- next_jobid = tdb_fetch_int(tdb, "INFO/nextjob");
- if (next_jobid == -1)
- next_jobid = 1;
-
- for (jobid = NEXT_JOBID(next_jobid); jobid != next_jobid; jobid = NEXT_JOBID(jobid)) {
- if (!print_job_exists(jobid))
- break;
- }
- if (jobid == next_jobid || !print_job_store(jobid, &pjob)) {
- DEBUG(3, ("print_job_start: either jobid (%d)==next_jobid(%d) or print_job_store failed.\n",
- jobid, next_jobid ));
- jobid = -1;
- goto fail;
- }
-
- tdb_store_int(tdb, "INFO/nextjob", jobid);
+ 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%.6d.XXXXXX",
- path, PRINT_SPOOL_PREFIX, jobid);
+ 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) {
goto fail;
}
- print_job_store(jobid, &pjob);
+ pjob_store(snum, jobid, &pjob);
- tdb_unlock_bystring(tdb, "INFO/nextjob");
-
- /*
- * If the printer is marked as postscript output a leading
- * file identifier to ensure the file is treated as a raw
- * postscript file.
- * This has a similar effect as CtrlD=0 in WIN.INI file.
- * tim@fsg.com 09/06/94
- */
- if (lp_postscript(snum)) {
- print_job_write(jobid, "%!\n",3);
- }
+ release_print_db(pdb);
return jobid;
fail:
- if (jobid != -1) {
- tdb_delete(tdb, print_key(jobid));
- }
+ if (jobid != -1)
+ pjob_delete(snum, jobid);
- tdb_unlock_bystring(tdb, "INFO/nextjob");
+ if (pdb_locked)
+ tdb_unlock_bystring(pdb->tdb, "INFO/nextjob");
+ release_print_db(pdb);
DEBUG(3, ("print_job_start: returning fail. Error = %s\n", strerror(errno) ));
return -1;
}
+/****************************************************************************
+ Update the number of pages spooled to jobid
+****************************************************************************/
+
+void print_job_endpage(int snum, uint32 jobid)
+{
+ struct printjob *pjob = print_job_find(snum, jobid);
+ if (!pjob)
+ return;
+ /* don't allow another process to get this info - it is meaningless */
+ if (pjob->pid != local_pid)
+ return;
+
+ pjob->page_count++;
+ pjob_store(snum, jobid, pjob);
+}
+
/****************************************************************************
Print a file - called on closing the file. This spools the job.
If normal close is false then we're tearing down the jobs - treat as an
error.
****************************************************************************/
-BOOL print_job_end(int jobid, BOOL normal_close)
+BOOL print_job_end(int snum, uint32 jobid, BOOL normal_close)
{
- struct printjob *pjob = print_job_find(jobid);
- int snum, ret;
+ struct printjob *pjob = print_job_find(snum, jobid);
+ int ret;
SMB_STRUCT_STAT sbuf;
if (!pjob)
if (pjob->spooled || pjob->pid != local_pid)
return False;
- snum = print_job_snum(jobid);
-
if (normal_close && (sys_fstat(pjob->fd, &sbuf) == 0)) {
pjob->size = sbuf.st_size;
close(pjob->fd);
goto fail;
}
- /* Technically, this is not quit right. If the printer has a separator
+ /* Technically, this is not quite right. If the printer has a separator
* page turned on, the NT spooler prints the separator page even if the
* print job is 0 bytes. 010215 JRR */
if (pjob->size == 0 || pjob->status == LPQ_DELETING) {
DEBUG(5,("print_job_end: canceling spool of %s (%s)\n",
pjob->filename, pjob->size ? "deleted" : "zero length" ));
unlink(pjob->filename);
- tdb_delete(tdb, print_key(jobid));
+ pjob_delete(snum, jobid);
return True;
}
pjob->spooled = True;
pjob->status = LPQ_QUEUED;
- print_job_store(jobid, pjob);
+ pjob_store(snum, jobid, pjob);
/* make sure the database is up to date */
if (print_cache_expired(snum))
/* The print job was not succesfully started. Cleanup */
/* Still need to add proper error return propagation! 010122:JRR */
unlink(pjob->filename);
- tdb_delete(tdb, print_key(jobid));
+ pjob_delete(snum, jobid);
return False;
}
-/* utility fn to enumerate the print queue */
+/****************************************************************************
+ Utility fn to enumerate the print queue.
+****************************************************************************/
+
static int traverse_fn_queue(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void *state)
{
struct traverse_struct *ts = (struct traverse_struct *)state;
struct printjob pjob;
- int i, jobid;
+ int i;
+ uint32 jobid;
- if (data.dsize != sizeof(pjob) || key.dsize != sizeof(int)) return 0;
+ /* sanity checks */
+
+ if ( key.dsize != sizeof(jobid) )
+ return 0;
+
memcpy(&jobid, key.dptr, sizeof(jobid));
- memcpy(&pjob, data.dptr, sizeof(pjob));
+
+ if ( unpack_pjob( data.dptr, data.dsize, &pjob ) == -1 )
+ return 0;
+ free_nt_devicemode( &pjob.nt_devmode );
/* maybe it isn't for this queue */
- if (ts->snum != print_queue_snum(pjob.qname)) return 0;
+ if (ts->snum != lp_servicenumber(pjob.queuename))
+ return 0;
- if (ts->qcount >= ts->maxcount) return 0;
+ if (ts->qcount >= ts->maxcount)
+ return 0;
i = ts->qcount;
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;
ts->queue[i].priority = 1;
ts->queue[i].time = pjob.starttime;
- fstrcpy(ts->queue[i].user, pjob.user);
- fstrcpy(ts->queue[i].file, pjob.jobname);
+ fstrcpy(ts->queue[i].fs_user, pjob.user);
+ fstrcpy(ts->queue[i].fs_file, pjob.jobname);
ts->qcount++;
int snum, count;
};
-/* utility fn to count the number of entries in the print queue */
+/****************************************************************************
+ Utility fn to count the number of entries in the print queue.
+****************************************************************************/
+
static int traverse_count_fn_queue(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void *state)
{
struct traverse_count_struct *ts = (struct traverse_count_struct *)state;
struct printjob pjob;
- int jobid;
+ uint32 jobid;
- if (data.dsize != sizeof(pjob) || key.dsize != sizeof(int)) return 0;
+ /* sanity checks */
+
+ if ( key.dsize != sizeof(jobid) )
+ return 0;
+
memcpy(&jobid, key.dptr, sizeof(jobid));
- memcpy(&pjob, data.dptr, sizeof(pjob));
+
+ if ( unpack_pjob( data.dptr, data.dsize, &pjob ) == -1 )
+ return 0;
+
+ free_nt_devicemode( &pjob.nt_devmode );
- /* maybe it isn't for this queue */
- if (ts->snum != print_queue_snum(pjob.qname)) return 0;
+ /* maybe it isn't for this queue - this cannot happen with the tdb/printer code. JRA */
+ if (ts->snum != lp_servicenumber(pjob.queuename))
+ return 0;
ts->count++;
return 0;
}
-/* Sort print jobs by submittal time */
+/****************************************************************************
+ Sort print jobs by submittal time.
+****************************************************************************/
static int printjob_comp(print_queue_struct *j1, print_queue_struct *j2)
{
/* Silly cases */
- if (!j1 && !j2) return 0;
- if (!j1) return -1;
- if (!j2) return 1;
+ if (!j1 && !j2)
+ return 0;
+ if (!j1)
+ return -1;
+ if (!j2)
+ return 1;
/* Sort on job start time */
- if (j1->time == j2->time) return 0;
+ if (j1->time == j2->time)
+ return 0;
return (j1->time > j2->time) ? 1 : -1;
}
/****************************************************************************
-get a printer queue listing
+ Get a printer queue listing.
****************************************************************************/
+
int print_queue_status(int snum,
print_queue_struct **queue,
print_status_struct *status)
struct traverse_count_struct tsc;
fstring keystr;
TDB_DATA data, key;
-
- /* make sure the database is up to date */
- if (print_cache_expired(snum)) print_queue_update(snum);
+ const char *printername = lp_const_servicename(snum);
+ struct tdb_print_db *pdb = get_print_db_byname(printername);
*queue = NULL;
+ if (!pdb)
+ return 0;
+
+ /* make sure the database is up to date */
+ if (print_cache_expired(snum))
+ print_queue_update(snum);
+
/*
* Fetch the queue status. We must do this first, as there may
* be no jobs in the queue.
*/
ZERO_STRUCTP(status);
- slprintf(keystr, sizeof(keystr)-1, "STATUS/%s", lp_servicename(snum));
+ slprintf(keystr, sizeof(keystr)-1, "STATUS/%s", printername);
key.dptr = keystr;
key.dsize = strlen(keystr);
- data = tdb_fetch(tdb, key);
+ data = tdb_fetch(pdb->tdb, key);
if (data.dptr) {
if (data.dsize == sizeof(*status)) {
memcpy(status, data.dptr, sizeof(*status));
}
- free(data.dptr);
+ SAFE_FREE(data.dptr);
}
/*
tsc.count = 0;
tsc.snum = snum;
- tdb_traverse(tdb, traverse_count_fn_queue, (void *)&tsc);
+ tdb_traverse(pdb->tdb, traverse_count_fn_queue, (void *)&tsc);
- if (tsc.count == 0)
+ if (tsc.count == 0) {
+ release_print_db(pdb);
return 0;
+ }
/* Allocate the queue size. */
if ((tstruct.queue = (print_queue_struct *)
- malloc(sizeof(print_queue_struct)*tsc.count))
- == NULL)
+ malloc(sizeof(print_queue_struct)*tsc.count)) == NULL) {
+ release_print_db(pdb);
return 0;
+ }
/*
* Fill in the queue.
tstruct.maxcount = tsc.count;
tstruct.snum = snum;
- tdb_traverse(tdb, traverse_fn_queue, (void *)&tstruct);
+ tdb_traverse(pdb->tdb, traverse_fn_queue, (void *)&tstruct);
+ release_print_db(pdb);
/* Sort the queue by submission time otherwise they are displayed
in hash order. */
return tstruct.qcount;
}
-
/****************************************************************************
-turn a queue name into a snum
+ Pause a queue.
****************************************************************************/
-int print_queue_snum(char *qname)
-{
- int snum = lp_servicenumber(qname);
- if (snum == -1 || !lp_print_ok(snum)) return -1;
- return snum;
-}
-
-/****************************************************************************
- pause a queue
-****************************************************************************/
BOOL print_queue_pause(struct current_user *user, int snum, WERROR *errcode)
{
- char *printer_name;
int ret;
if (!print_access_check(user, snum, PRINTER_ACCESS_ADMINISTER)) {
/* Send a printer notify message */
- printer_name = PRINTERNAME(snum);
-
- message_send_all(conn_tdb_ctx(),MSG_PRINTER_NOTIFY, printer_name, strlen(printer_name) + 1, False);
+ notify_printer_status(snum, PRINTER_STATUS_PAUSED);
return True;
}
/****************************************************************************
- resume a queue
+ Resume a queue.
****************************************************************************/
+
BOOL print_queue_resume(struct current_user *user, int snum, WERROR *errcode)
{
- char *printer_name;
int ret;
if (!print_access_check(user, snum, PRINTER_ACCESS_ADMINISTER)) {
}
/* make sure the database is up to date */
- if (print_cache_expired(snum)) print_queue_update(snum);
+ if (print_cache_expired(snum))
+ print_queue_update(snum);
/* Send a printer notify message */
- printer_name = PRINTERNAME(snum);
-
- message_send_all(conn_tdb_ctx(),MSG_PRINTER_NOTIFY, printer_name, strlen(printer_name) + 1, False);
+ notify_printer_status(snum, PRINTER_STATUS_OK);
return True;
}
/****************************************************************************
- purge a queue - implemented by deleting all jobs that we can delete
+ Purge a queue - implemented by deleting all jobs that we can delete.
****************************************************************************/
+
BOOL print_queue_purge(struct current_user *user, int snum, WERROR *errcode)
{
print_queue_struct *queue;
print_status_struct status;
- char *printer_name;
int njobs, i;
BOOL can_job_admin;
njobs = print_queue_status(snum, &queue, &status);
for (i=0;i<njobs;i++) {
- BOOL owner = is_owner(user, queue[i].job);
+ BOOL owner = is_owner(user, snum, queue[i].job);
if (owner || can_job_admin) {
- print_job_delete1(queue[i].job);
+ print_job_delete1(snum, queue[i].job);
}
}
- safe_free(queue);
-
- /* Send a printer notify message */
-
- printer_name = PRINTERNAME(snum);
-
- message_send_all(conn_tdb_ctx(),MSG_PRINTER_NOTIFY, printer_name, strlen(printer_name) + 1, False);
+ SAFE_FREE(queue);
return True;
}
git.samba.org / garming / samba-autobuild / .git / blobdiff