-/*
+/*
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/>.
*/
/* 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
- 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;
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 );
}
/****************************************************************************
- 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)
****************************************************************************/
#endif /* HAVE_IPRINT */
printer_fns->type = type;
-
+
return printer_fns;
}
}
/***********************************************************************
- 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;
if ( !buf || !pjob )
return -1;
-
+
len += tdb_unpack(buf+len, buflen-len, "dddddddddffff",
&pjpid,
&pjsysjob,
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;
pjob->pid = pjpid;
pjob->page_count = pjpage_count;
pjob->spooled = pjspooled;
pjob->smbjob = pjsmbjob;
-
+
return len;
}
/* 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);
struct tdb_print_db *pdb = get_print_db_byname(sharename);
uint8 *buf = NULL;
int len, newlen, buflen;
-
+
if (!pdb)
return False;
/* Doh! Now we have to pack/unpack data since the NT_DEVICEMODE was added */
newlen = 0;
-
+
do {
len = 0;
buflen = newlen;
pjob->queuename);
len += pack_devicemode(pjob->nt_devmode, buf+len, buflen-len);
-
+
if (buflen != len) {
buf = (uint8 *)SMB_REALLOC(buf, len);
if (!buf) {
newlen = len;
}
} while ( buflen != len );
-
-
+
+
/* Store new data */
new_data.dptr = buf;
/* 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));
{
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 */
if ( key.dsize != sizeof(jobid) )
return 0;
-
+
jobid = IVAL(key.dptr, 0);
if ( unpack_pjob( data.dptr, data.dsize, &pjob ) == -1 )
return 0;
(unsigned int)jobid ));
pjob_delete(ts->sharename, jobid);
return 0;
- }
+ }
/* need to continue the the bottom of the function to
save the correct attributes */
}
/* this check only makes sense for jobs submitted from Windows clients */
-
+
if ( pjob.smbjob ) {
for (i=0;i<ts->qcount;i++) {
uint32 curr_jobid;
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 ) {
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. */
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;
TDB_DATA data;
pid_t updating_pid = sys_getpid();
uint8 buffer[4];
-
+
struct tdb_print_db *pdb = get_print_db_byname(sharename);
if (!pdb)
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 ));
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);
}
* 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;
}
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 )
{
if (!pdb) {
return;
}
-
+
DEBUG(5,("print_queue_update_internal: printer = %s, type = %d, lpq command = [%s]\n",
sharename, current_printif->type, lpq_command));
* 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
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
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
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 )
{
release_print_db(pdb);
return;
}
-
+
/*
* Check to see if someone else is doing this update.
* This is essentially a mutex on the update.
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);
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 );
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. */
release_print_db( pdb );
/* finally send the message */
-
+
messaging_send_buf(smbd_messaging_context(),
pid_to_procid(background_lpq_updater_pid),
MSG_PRINTER_UPDATE, (uint8 *)buffer, len);
/****************************************************************************
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)
/* 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 */
/****************************************************************************
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)
/* 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 */
NT_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;
}
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));
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_lprmcommand(snum),
pjob);
/* Delete the tdb entry if the delete succeeded or the job hasn't
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 &&
+ if (!owner &&
!print_access_check(server_info, 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),
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
+ * to the underlying print system. Just delete the
* spool file & return.
*/
-
+
if ( (fname = print_job_fname( sharename, jobid )) != NULL )
{
/* remove the spool file */
return False;
}
}
-
+
if (!print_job_delete1(snum, jobid)) {
*errcode = WERR_ACCESS_DENIED;
return False;
job still exists */
print_queue_update(snum, True);
-
+
pjob = print_job_find(sharename, jobid);
if ( pjob && (pjob->status != LPQ_DELETING) )
*errcode = WERR_ACCESS_DENIED;
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 ));
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),
*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),
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);
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);
-
+
/* also fetch the queue status */
memset(&status, 0, sizeof(status));
len = get_queue_status(sharename, &status);
/* We've finished with the INFO/nextjob lock. */
tdb_unlock_bystring(pdb->tdb, "INFO/nextjob");
-
+
if (!print_job_exists(sharename, jobid))
break;
}
goto fail;
/* create the database entry */
-
+
ZERO_STRUCT(pjob);
-
+
pjob.pid = sys_getpid();
pjob.sysjob = -1;
pjob.fd = -1;
pjob.spooled = False;
pjob.smbjob = True;
pjob.nt_devmode = nt_devmode;
-
+
fstrcpy(pjob.jobname, jobname);
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),
pjob.user, sizeof(pjob.user)-1);
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",
+ slprintf(pjob.filename, sizeof(pjob.filename)-1, "%s/%s%.8u.XXXXXX",
path, PRINT_SPOOL_PREFIX, (unsigned int)jobid);
pjob.fd = smb_mkstemp(pjob.filename);
pjob->fd = -1;
} else {
- /*
+ /*
* Not a normal close or we couldn't stat the job file,
* so something has gone wrong. Cleanup.
*/
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;
fail:
/* make sure the database is up to date */
if (print_cache_expired(lp_const_servicename(snum), True))
print_queue_update(snum, False);
-
+
*pcount = 0;
*ppqueue = NULL;
/* 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))
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)
{
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));
}
{
int ret;
struct printif *current_printif = get_printer_fns( snum );
-
+
if (!print_access_check(server_info, snum,
PRINTER_ACCESS_ADMINISTER)) {
*errcode = WERR_ACCESS_DENIED;
return False;
}
-
+
become_root();
-
+
ret = (*(current_printif->queue_pause))(snum);
unbecome_root();
-
+
if (ret != 0) {
*errcode = WERR_INVALID_PARAM;
return False;
*errcode = WERR_ACCESS_DENIED;
return False;
}
-
+
become_root();
-
+
ret = (*(current_printif->queue_resume))(snum);
unbecome_root();
-
+
if (ret != 0) {
*errcode = WERR_INVALID_PARAM;
return False;
/* 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,
JOB_ACCESS_ADMINISTER);
njobs = print_queue_status(snum, &queue, &status);
-
+
if ( can_job_admin )
become_root();
print_job_delete1(snum, queue[i].job);
}
}
-
+
if ( can_job_admin )
unbecome_root();
git.samba.org / samba.git / commitdiff