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job.c
5498 lines (4427 loc) · 142 KB
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job.c
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/*
* Job management routines for the CUPS scheduler.
*
* Copyright © 2007-2018 by Apple Inc.
* Copyright © 1997-2007 by Easy Software Products, all rights reserved.
*
* Licensed under Apache License v2.0. See the file "LICENSE" for more
* information.
*/
/*
* Include necessary headers...
*/
#include "cupsd.h"
#include <grp.h>
#include <cups/backend.h>
#include <cups/dir.h>
#ifdef __APPLE__
# include <IOKit/pwr_mgt/IOPMLib.h>
# ifdef HAVE_IOKIT_PWR_MGT_IOPMLIBPRIVATE_H
# include <IOKit/pwr_mgt/IOPMLibPrivate.h>
# endif /* HAVE_IOKIT_PWR_MGT_IOPMLIBPRIVATE_H */
#endif /* __APPLE__ */
/*
* Design Notes for Job Management
* -------------------------------
*
* STATE CHANGES
*
* pending Do nothing/check jobs
* pending-held Send SIGTERM to filters and backend
* processing Do nothing/start job
* stopped Send SIGKILL to filters and backend
* canceled Send SIGTERM to filters and backend
* aborted Finalize
* completed Finalize
*
* Finalize clears the printer <-> job association, deletes the status
* buffer, closes all of the pipes, etc. and doesn't get run until all of
* the print processes are finished.
*
* UNLOADING OF JOBS (cupsdUnloadCompletedJobs)
*
* We unload the job attributes when they are not needed to reduce overall
* memory consumption. We don't unload jobs where job->state_value <
* IPP_JOB_STOPPED, job->printer != NULL, or job->access_time is recent.
*
* STARTING OF JOBS (start_job)
*
* When a job is started, a status buffer, several pipes, a security
* profile, and a backend process are created for the life of that job.
* These are shared for every file in a job. For remote print jobs, the
* IPP backend is provided with every file in the job and no filters are
* run.
*
* The job->printer member tracks which printer is printing a job, which
* can be different than the destination in job->dest for classes. The
* printer object also has a job pointer to track which job is being
* printed.
*
* PRINTING OF JOB FILES (cupsdContinueJob)
*
* Each file in a job is filtered by 0 or more programs. After getting the
* list of filters needed and the total cost, the job is either passed or
* put back to the processing state until the current FilterLevel comes down
* enough to allow printing.
*
* If we can print, we build a string for the print options and run each of
* the filters, piping the output from one into the next.
*
* JOB STATUS UPDATES (update_job)
*
* The update_job function gets called whenever there are pending messages
* on the status pipe. These generally are updates to the marker-*,
* printer-state-message, or printer-state-reasons attributes. On EOF,
* finalize_job is called to clean up.
*
* FINALIZING JOBS (finalize_job)
*
* When all filters and the backend are done, we set the job state to
* completed (no errors), aborted (filter errors or abort-job policy),
* pending-held (auth required or retry-job policy), or pending
* (retry-current-job or stop-printer policies) as appropriate.
*
* Then we close the pipes and free the status buffers and profiles.
*
* JOB FILE COMPLETION (process_children in main.c)
*
* For multiple-file jobs, process_children (in main.c) sees that all
* filters have exited and calls in to print the next file if there are
* more files in the job, otherwise it waits for the backend to exit and
* update_job to do the cleanup.
*/
/*
* Local globals...
*/
static mime_filter_t gziptoany_filter =
{
NULL, /* Source type */
NULL, /* Destination type */
0, /* Cost */
"gziptoany" /* Filter program to run */
};
/*
* Local functions...
*/
static int compare_active_jobs(void *first, void *second, void *data);
static int compare_completed_jobs(void *first, void *second, void *data);
static int compare_jobs(void *first, void *second, void *data);
static void dump_job_history(cupsd_job_t *job);
static void finalize_job(cupsd_job_t *job, int set_job_state);
static void free_job_history(cupsd_job_t *job);
static char *get_options(cupsd_job_t *job, int banner_page, char *copies,
size_t copies_size, char *title,
size_t title_size);
static size_t ipp_length(ipp_t *ipp);
static void load_job_cache(const char *filename);
static void load_next_job_id(const char *filename);
static void load_request_root(void);
static void remove_job_files(cupsd_job_t *job);
static void remove_job_history(cupsd_job_t *job);
static void set_time(cupsd_job_t *job, const char *name);
static void start_job(cupsd_job_t *job, cupsd_printer_t *printer);
static void stop_job(cupsd_job_t *job, cupsd_jobaction_t action);
static void unload_job(cupsd_job_t *job);
static void update_job(cupsd_job_t *job);
static void update_job_attrs(cupsd_job_t *job, int do_message);
/*
* 'cupsdAddJob()' - Add a new job to the job queue.
*/
cupsd_job_t * /* O - New job record */
cupsdAddJob(int priority, /* I - Job priority */
const char *dest) /* I - Job destination */
{
cupsd_job_t *job; /* New job record */
if ((job = calloc(sizeof(cupsd_job_t), 1)) == NULL)
return (NULL);
job->id = NextJobId ++;
job->priority = priority;
job->back_pipes[0] = -1;
job->back_pipes[1] = -1;
job->print_pipes[0] = -1;
job->print_pipes[1] = -1;
job->side_pipes[0] = -1;
job->side_pipes[1] = -1;
job->status_pipes[0] = -1;
job->status_pipes[1] = -1;
cupsdSetString(&job->dest, dest);
/*
* Add the new job to the "all jobs" and "active jobs" lists...
*/
cupsArrayAdd(Jobs, job);
cupsArrayAdd(ActiveJobs, job);
return (job);
}
/*
* 'cupsdCancelJobs()' - Cancel all jobs for the given destination/user.
*/
void
cupsdCancelJobs(const char *dest, /* I - Destination to cancel */
const char *username, /* I - Username or NULL */
int purge) /* I - Purge jobs? */
{
cupsd_job_t *job; /* Current job */
for (job = (cupsd_job_t *)cupsArrayFirst(Jobs);
job;
job = (cupsd_job_t *)cupsArrayNext(Jobs))
{
if ((!job->dest || !job->username) && !cupsdLoadJob(job))
continue;
if ((!dest || !strcmp(job->dest, dest)) &&
(!username || !strcmp(job->username, username)))
{
/*
* Cancel all jobs matching this destination/user...
*/
if (purge)
cupsdSetJobState(job, IPP_JOB_CANCELED, CUPSD_JOB_PURGE,
"Job purged by user.");
else if (job->state_value < IPP_JOB_CANCELED)
cupsdSetJobState(job, IPP_JOB_CANCELED, CUPSD_JOB_DEFAULT,
"Job canceled by user.");
}
}
}
/*
* 'cupsdCheckJobs()' - Check the pending jobs and start any if the destination
* is available.
*/
void
cupsdCheckJobs(void)
{
cupsd_job_t *job; /* Current job in queue */
cupsd_printer_t *printer, /* Printer destination */
*pclass; /* Printer class destination */
ipp_attribute_t *attr; /* Job attribute */
time_t curtime; /* Current time */
const char *reasons; /* job-state-reasons value */
curtime = time(NULL);
cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdCheckJobs: %d active jobs, sleeping=%d, ac-power=%d, reload=%d, curtime=%ld", cupsArrayCount(ActiveJobs), Sleeping, ACPower, NeedReload, (long)curtime);
for (job = (cupsd_job_t *)cupsArrayFirst(ActiveJobs);
job;
job = (cupsd_job_t *)cupsArrayNext(ActiveJobs))
{
cupsdLogMessage(CUPSD_LOG_DEBUG2,
"cupsdCheckJobs: Job %d - dest=\"%s\", printer=%p, "
"state=%d, cancel_time=%ld, hold_until=%ld, kill_time=%ld, "
"pending_cost=%d, pending_timeout=%ld", job->id, job->dest,
job->printer, job->state_value, (long)job->cancel_time,
(long)job->hold_until, (long)job->kill_time,
job->pending_cost, (long)job->pending_timeout);
/*
* Kill jobs if they are unresponsive...
*/
if (job->kill_time && job->kill_time <= curtime)
{
if (!job->completed)
cupsdLogJob(job, CUPSD_LOG_ERROR, "Stopping unresponsive job.");
stop_job(job, CUPSD_JOB_FORCE);
continue;
}
/*
* Cancel stuck jobs...
*/
if (job->cancel_time && job->cancel_time <= curtime)
{
int cancel_after; /* job-cancel-after value */
attr = ippFindAttribute(job->attrs, "job-cancel-after", IPP_TAG_INTEGER);
cancel_after = attr ? ippGetInteger(attr, 0) : MaxJobTime;
if (job->completed)
cupsdSetJobState(job, IPP_JOB_CANCELED, CUPSD_JOB_FORCE, "Marking stuck job as completed after %d seconds.", cancel_after);
else
cupsdSetJobState(job, IPP_JOB_CANCELED, CUPSD_JOB_DEFAULT, "Canceling stuck job after %d seconds.", cancel_after);
continue;
}
/*
* Start held jobs if they are ready...
*/
if (job->state_value == IPP_JOB_HELD &&
job->hold_until &&
job->hold_until < curtime)
{
if (job->pending_timeout)
{
/*
* This job is pending; check that we don't have an active Send-Document
* operation in progress on any of the client connections, then timeout
* the job so we can start printing...
*/
cupsd_client_t *con; /* Current client connection */
for (con = (cupsd_client_t *)cupsArrayFirst(Clients);
con;
con = (cupsd_client_t *)cupsArrayNext(Clients))
if (con->request &&
con->request->request.op.operation_id == IPP_SEND_DOCUMENT)
break;
if (con)
continue;
if (cupsdTimeoutJob(job))
continue;
}
cupsdSetJobState(job, IPP_JOB_PENDING, CUPSD_JOB_DEFAULT,
"Job submission timed out.");
}
/*
* Continue jobs that are waiting on the FilterLimit...
*/
if (job->pending_cost > 0 &&
((FilterLevel + job->pending_cost) < FilterLimit || FilterLevel == 0))
cupsdContinueJob(job);
/*
* Skip jobs that where held-on-create
*/
reasons = ippGetString(job->reasons, 0, NULL);
if (reasons && !strcmp(reasons, "job-held-on-create"))
{
/*
* Check whether the printer is still holding new jobs...
*/
printer = cupsdFindDest(job->dest);
if (printer->holding_new_jobs)
continue;
ippSetString(job->attrs, &job->reasons, 0, "none");
}
/*
* Start pending jobs if the destination is available...
*/
if (job->state_value == IPP_JOB_PENDING && !NeedReload &&
(!Sleeping || ACPower) && !DoingShutdown && !job->printer)
{
printer = cupsdFindDest(job->dest);
pclass = NULL;
while (printer && (printer->type & CUPS_PRINTER_CLASS))
{
/*
* If the class is remote, just pass it to the remote server...
*/
pclass = printer;
if (pclass->state == IPP_PRINTER_STOPPED)
printer = NULL;
else if (pclass->type & CUPS_PRINTER_REMOTE)
break;
else
printer = cupsdFindAvailablePrinter(printer->name);
}
if (!printer && !pclass)
{
/*
* Whoa, the printer and/or class for this destination went away;
* cancel the job...
*/
cupsdSetJobState(job, IPP_JOB_ABORTED, CUPSD_JOB_PURGE,
"Job aborted because the destination printer/class "
"has gone away.");
}
else if (printer)
{
/*
* See if the printer is available or remote and not printing a job;
* if so, start the job...
*/
if (pclass)
{
/*
* Add/update a job-printer-uri-actual attribute for this job
* so that we know which printer actually printed the job...
*/
if ((attr = ippFindAttribute(job->attrs, "job-printer-uri-actual", IPP_TAG_URI)) != NULL)
ippSetString(job->attrs, &attr, 0, printer->uri);
else
ippAddString(job->attrs, IPP_TAG_JOB, IPP_TAG_URI, "job-printer-uri-actual", NULL, printer->uri);
job->dirty = 1;
cupsdMarkDirty(CUPSD_DIRTY_JOBS);
}
if (!printer->job && printer->state == IPP_PRINTER_IDLE)
{
/*
* Start the job...
*/
cupsArraySave(ActiveJobs);
start_job(job, printer);
cupsArrayRestore(ActiveJobs);
}
}
}
}
}
/*
* 'cupsdCleanJobs()' - Clean out old jobs.
*/
void
cupsdCleanJobs(void)
{
cupsd_job_t *job; /* Current job */
time_t curtime; /* Current time */
cupsdLogMessage(CUPSD_LOG_DEBUG2,
"cupsdCleanJobs: MaxJobs=%d, JobHistory=%d, JobFiles=%d",
MaxJobs, JobHistory, JobFiles);
if (MaxJobs <= 0 && JobHistory == INT_MAX && JobFiles == INT_MAX)
return;
curtime = time(NULL);
JobHistoryUpdate = 0;
for (job = (cupsd_job_t *)cupsArrayFirst(Jobs);
job;
job = (cupsd_job_t *)cupsArrayNext(Jobs))
{
if (job->state_value >= IPP_JOB_CANCELED && !job->printer)
{
/*
* Expire old jobs (or job files)...
*/
if ((MaxJobs > 0 && cupsArrayCount(Jobs) >= MaxJobs) ||
(job->history_time && job->history_time <= curtime))
{
cupsdLogJob(job, CUPSD_LOG_DEBUG, "Removing from history.");
cupsdDeleteJob(job, CUPSD_JOB_PURGE);
}
else if (job->file_time && job->file_time <= curtime)
{
cupsdLogJob(job, CUPSD_LOG_DEBUG, "Removing document files.");
cupsdLogJob(job, CUPSD_LOG_DEBUG2, "curtime=%ld, job->file_time=%ld", (long)curtime, (long)job->file_time);
remove_job_files(job);
cupsdMarkDirty(CUPSD_DIRTY_JOBS);
if (job->history_time < JobHistoryUpdate || !JobHistoryUpdate)
JobHistoryUpdate = job->history_time;
}
else
{
if (job->history_time < JobHistoryUpdate || !JobHistoryUpdate)
JobHistoryUpdate = job->history_time;
if (job->file_time < JobHistoryUpdate || !JobHistoryUpdate)
JobHistoryUpdate = job->file_time;
}
}
}
cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdCleanJobs: JobHistoryUpdate=%ld",
(long)JobHistoryUpdate);
}
/*
* 'cupsdContinueJob()' - Continue printing with the next file in a job.
*/
void
cupsdContinueJob(cupsd_job_t *job) /* I - Job */
{
int i; /* Looping var */
int slot; /* Pipe slot */
cups_array_t *filters = NULL,/* Filters for job */
*prefilters; /* Filters with prefilters */
mime_filter_t *filter, /* Current filter */
*prefilter, /* Prefilter */
port_monitor; /* Port monitor filter */
char scheme[255]; /* Device URI scheme */
ipp_attribute_t *attr; /* Current attribute */
const char *ptr, /* Pointer into value */
*abort_message; /* Abort message */
ipp_jstate_t abort_state = IPP_JOB_STOPPED;
/* New job state on abort */
struct stat backinfo; /* Backend file information */
int backroot; /* Run backend as root? */
int pid; /* Process ID of new filter process */
int banner_page; /* 1 if banner page, 0 otherwise */
int filterfds[2][2] = { { -1, -1 }, { -1, -1 } };
/* Pipes used between filters */
int envc; /* Number of environment variables */
struct stat fileinfo; /* Job file information */
int argc = 0; /* Number of arguments */
char **argv = NULL, /* Filter command-line arguments */
filename[1024], /* Job filename */
command[1024], /* Full path to command */
jobid[255], /* Job ID string */
title[IPP_MAX_NAME],
/* Job title string */
copies[255], /* # copies string */
*options, /* Options string */
*envp[MAX_ENV + 21],
/* Environment variables */
charset[255], /* CHARSET env variable */
class_name[255],/* CLASS env variable */
classification[1024],
/* CLASSIFICATION env variable */
content_type[1024],
/* CONTENT_TYPE env variable */
device_uri[1024],
/* DEVICE_URI env variable */
final_content_type[1024] = "",
/* FINAL_CONTENT_TYPE env variable */
lang[255], /* LANG env variable */
#ifdef __APPLE__
apple_language[255],
/* APPLE_LANGUAGE env variable */
#endif /* __APPLE__ */
auth_info_required[255],
/* AUTH_INFO_REQUIRED env variable */
ppd[1024], /* PPD env variable */
printer_info[255],
/* PRINTER_INFO env variable */
printer_location[255],
/* PRINTER_LOCATION env variable */
printer_name[255],
/* PRINTER env variable */
*printer_state_reasons = NULL,
/* PRINTER_STATE_REASONS env var */
rip_max_cache[255];
/* RIP_MAX_CACHE env variable */
cupsdLogMessage(CUPSD_LOG_DEBUG2,
"cupsdContinueJob(job=%p(%d)): current_file=%d, num_files=%d",
job, job->id, job->current_file, job->num_files);
/*
* Figure out what filters are required to convert from
* the source to the destination type...
*/
FilterLevel -= job->cost;
job->cost = 0;
job->pending_cost = 0;
memset(job->filters, 0, sizeof(job->filters));
if (job->printer->raw)
{
/*
* Remote jobs and raw queues go directly to the printer without
* filtering...
*/
cupsdLogJob(job, CUPSD_LOG_DEBUG, "Sending job to queue tagged as raw...");
}
else
{
/*
* Local jobs get filtered...
*/
mime_type_t *dst = job->printer->filetype;
/* Destination file type */
snprintf(filename, sizeof(filename), "%s/d%05d-%03d", RequestRoot,
job->id, job->current_file + 1);
if (stat(filename, &fileinfo))
fileinfo.st_size = 0;
if (job->retry_as_raster)
{
/*
* Need to figure out whether the printer supports image/pwg-raster or
* image/urf, and use the corresponding type...
*/
char type[MIME_MAX_TYPE]; /* MIME media type for printer */
snprintf(type, sizeof(type), "%s/image/urf", job->printer->name);
if ((dst = mimeType(MimeDatabase, "printer", type)) == NULL)
{
snprintf(type, sizeof(type), "%s/image/pwg-raster", job->printer->name);
dst = mimeType(MimeDatabase, "printer", type);
}
if (dst)
cupsdLogJob(job, CUPSD_LOG_DEBUG, "Retrying job as \"%s\".", strchr(dst->type, '/') + 1);
else
cupsdLogJob(job, CUPSD_LOG_ERROR, "Unable to retry job using a supported raster format.");
}
filters = mimeFilter2(MimeDatabase, job->filetypes[job->current_file], (size_t)fileinfo.st_size, dst, &(job->cost));
if (!filters)
{
cupsdLogJob(job, CUPSD_LOG_ERROR,
"Unable to convert file %d to printable format.",
job->current_file);
abort_message = "Aborting job because it cannot be printed.";
abort_state = IPP_JOB_ABORTED;
ippSetString(job->attrs, &job->reasons, 0, "document-unprintable-error");
goto abort_job;
}
/*
* Figure out the final content type...
*/
cupsdLogJob(job, CUPSD_LOG_DEBUG, "%d filters for job:",
cupsArrayCount(filters));
for (filter = (mime_filter_t *)cupsArrayFirst(filters);
filter;
filter = (mime_filter_t *)cupsArrayNext(filters))
cupsdLogJob(job, CUPSD_LOG_DEBUG, "%s (%s/%s to %s/%s, cost %d)",
filter->filter,
filter->src ? filter->src->super : "???",
filter->src ? filter->src->type : "???",
filter->dst ? filter->dst->super : "???",
filter->dst ? filter->dst->type : "???",
filter->cost);
if (!job->printer->remote)
{
for (filter = (mime_filter_t *)cupsArrayLast(filters);
filter && filter->dst;
filter = (mime_filter_t *)cupsArrayPrev(filters))
if (strcmp(filter->dst->super, "printer") ||
strcmp(filter->dst->type, job->printer->name))
break;
if (filter && filter->dst)
{
if ((ptr = strchr(filter->dst->type, '/')) != NULL)
snprintf(final_content_type, sizeof(final_content_type),
"FINAL_CONTENT_TYPE=%s", ptr + 1);
else
snprintf(final_content_type, sizeof(final_content_type),
"FINAL_CONTENT_TYPE=%s/%s", filter->dst->super,
filter->dst->type);
}
else
snprintf(final_content_type, sizeof(final_content_type),
"FINAL_CONTENT_TYPE=printer/%s", job->printer->name);
}
/*
* Remove NULL ("-") filters...
*/
for (filter = (mime_filter_t *)cupsArrayFirst(filters);
filter;
filter = (mime_filter_t *)cupsArrayNext(filters))
if (!strcmp(filter->filter, "-"))
cupsArrayRemove(filters, filter);
if (cupsArrayCount(filters) == 0)
{
cupsArrayDelete(filters);
filters = NULL;
}
/*
* If this printer has any pre-filters, insert the required pre-filter
* in the filters array...
*/
if (job->printer->prefiltertype && filters)
{
prefilters = cupsArrayNew(NULL, NULL);
for (filter = (mime_filter_t *)cupsArrayFirst(filters);
filter;
filter = (mime_filter_t *)cupsArrayNext(filters))
{
if ((prefilter = mimeFilterLookup(MimeDatabase, filter->src,
job->printer->prefiltertype)))
{
cupsArrayAdd(prefilters, prefilter);
job->cost += prefilter->cost;
}
cupsArrayAdd(prefilters, filter);
}
cupsArrayDelete(filters);
filters = prefilters;
}
}
/*
* Set a minimum cost of 100 for all jobs so that FilterLimit
* works with raw queues and other low-cost paths.
*/
if (job->cost < 100)
job->cost = 100;
/*
* See if the filter cost is too high...
*/
if ((FilterLevel + job->cost) > FilterLimit && FilterLevel > 0 &&
FilterLimit > 0)
{
/*
* Don't print this job quite yet...
*/
cupsArrayDelete(filters);
cupsdLogJob(job, CUPSD_LOG_INFO,
"Holding because filter limit has been reached.");
cupsdLogJob(job, CUPSD_LOG_DEBUG2,
"cupsdContinueJob: file=%d, cost=%d, level=%d, limit=%d",
job->current_file, job->cost, FilterLevel,
FilterLimit);
job->pending_cost = job->cost;
job->cost = 0;
return;
}
FilterLevel += job->cost;
/*
* Add decompression/raw filter as needed...
*/
if ((job->compressions[job->current_file] && (!job->printer->remote || job->num_files == 1)) ||
(!job->printer->remote && job->printer->raw && job->num_files > 1))
{
/*
* Add gziptoany filter to the front of the list...
*/
if (!filters)
filters = cupsArrayNew(NULL, NULL);
if (!cupsArrayInsert(filters, &gziptoany_filter))
{
cupsdLogJob(job, CUPSD_LOG_DEBUG,
"Unable to add decompression filter - %s", strerror(errno));
cupsArrayDelete(filters);
abort_message = "Stopping job because the scheduler ran out of memory.";
goto abort_job;
}
}
/*
* Add port monitor, if any...
*/
if (job->printer->port_monitor)
{
/*
* Add port monitor to the end of the list...
*/
if (!filters)
filters = cupsArrayNew(NULL, NULL);
port_monitor.src = NULL;
port_monitor.dst = NULL;
port_monitor.cost = 0;
snprintf(port_monitor.filter, sizeof(port_monitor.filter),
"%s/monitor/%s", ServerBin, job->printer->port_monitor);
if (!cupsArrayAdd(filters, &port_monitor))
{
cupsdLogJob(job, CUPSD_LOG_DEBUG,
"Unable to add port monitor - %s", strerror(errno));
abort_message = "Stopping job because the scheduler ran out of memory.";
goto abort_job;
}
}
/*
* Make sure we don't go over the "MAX_FILTERS" limit...
*/
if (cupsArrayCount(filters) > MAX_FILTERS)
{
cupsdLogJob(job, CUPSD_LOG_DEBUG,
"Too many filters (%d > %d), unable to print.",
cupsArrayCount(filters), MAX_FILTERS);
abort_message = "Aborting job because it needs too many filters to print.";
abort_state = IPP_JOB_ABORTED;
ippSetString(job->attrs, &job->reasons, 0, "document-unprintable-error");
goto abort_job;
}
/*
* Determine if we are printing a banner page or not...
*/
if (job->job_sheets == NULL)
{
cupsdLogJob(job, CUPSD_LOG_DEBUG, "No job-sheets attribute.");
if ((job->job_sheets =
ippFindAttribute(job->attrs, "job-sheets", IPP_TAG_ZERO)) != NULL)
cupsdLogJob(job, CUPSD_LOG_DEBUG,
"... but someone added one without setting job_sheets.");
}
else if (job->job_sheets->num_values == 1)
cupsdLogJob(job, CUPSD_LOG_DEBUG, "job-sheets=%s",
job->job_sheets->values[0].string.text);
else
cupsdLogJob(job, CUPSD_LOG_DEBUG, "job-sheets=%s,%s",
job->job_sheets->values[0].string.text,
job->job_sheets->values[1].string.text);
if (job->printer->type & CUPS_PRINTER_REMOTE)
banner_page = 0;
else if (job->job_sheets == NULL)
banner_page = 0;
else if (_cups_strcasecmp(job->job_sheets->values[0].string.text, "none") != 0 &&
job->current_file == 0)
banner_page = 1;
else if (job->job_sheets->num_values > 1 &&
_cups_strcasecmp(job->job_sheets->values[1].string.text, "none") != 0 &&
job->current_file == (job->num_files - 1))
banner_page = 1;
else
banner_page = 0;
if ((options = get_options(job, banner_page, copies, sizeof(copies), title,
sizeof(title))) == NULL)
{
abort_message = "Stopping job because the scheduler ran out of memory.";
goto abort_job;
}
/*
* Build the command-line arguments for the filters. Each filter
* has 6 or 7 arguments:
*
* argv[0] = printer
* argv[1] = job ID
* argv[2] = username
* argv[3] = title
* argv[4] = # copies
* argv[5] = options
* argv[6] = filename (optional; normally stdin)
*
* This allows legacy printer drivers that use the old System V
* printing interface to be used by CUPS.
*
* For remote jobs, we send all of the files in the argument list.
*/
if (job->printer->remote)
argc = 6 + job->num_files;
else
argc = 7;
if ((argv = calloc((size_t)argc + 1, sizeof(char *))) == NULL)
{
cupsdLogMessage(CUPSD_LOG_DEBUG, "Unable to allocate argument array - %s",
strerror(errno));
abort_message = "Stopping job because the scheduler ran out of memory.";
goto abort_job;
}
sprintf(jobid, "%d", job->id);
argv[0] = job->printer->name;
argv[1] = jobid;
argv[2] = job->username;
argv[3] = title;
argv[4] = copies;
argv[5] = options;
if (job->printer->remote && job->num_files > 1)
{
for (i = 0; i < job->num_files; i ++)
{
snprintf(filename, sizeof(filename), "%s/d%05d-%03d", RequestRoot,
job->id, i + 1);
argv[6 + i] = strdup(filename);
}
}
else
{
snprintf(filename, sizeof(filename), "%s/d%05d-%03d", RequestRoot,
job->id, job->current_file + 1);
argv[6] = strdup(filename);
}
for (i = 0; argv[i]; i ++)
cupsdLogJob(job, CUPSD_LOG_DEBUG, "argv[%d]=\"%s\"", i, argv[i]);
/*
* Create environment variable strings for the filters...
*/
attr = ippFindAttribute(job->attrs, "attributes-natural-language",
IPP_TAG_LANGUAGE);
#ifdef __APPLE__
strlcpy(apple_language, "APPLE_LANGUAGE=", sizeof(apple_language));
_cupsAppleLanguage(attr->values[0].string.text,
apple_language + 15, sizeof(apple_language) - 15);
#endif /* __APPLE__ */
switch (strlen(attr->values[0].string.text))
{
default :
/*
* This is an unknown or badly formatted language code; use
* the POSIX locale...
*/
strlcpy(lang, "LANG=C", sizeof(lang));
break;
case 2 :
/*
* Just the language code (ll)...
*/
snprintf(lang, sizeof(lang), "LANG=%s.UTF-8",
attr->values[0].string.text);
break;
case 5 :
/*
* Language and country code (ll-cc)...
*/
snprintf(lang, sizeof(lang), "LANG=%c%c_%c%c.UTF-8",
attr->values[0].string.text[0],
attr->values[0].string.text[1],
toupper(attr->values[0].string.text[3] & 255),
toupper(attr->values[0].string.text[4] & 255));
break;
}
if ((attr = ippFindAttribute(job->attrs, "document-format",
IPP_TAG_MIMETYPE)) != NULL &&
(ptr = strstr(attr->values[0].string.text, "charset=")) != NULL)
snprintf(charset, sizeof(charset), "CHARSET=%s", ptr + 8);
else
strlcpy(charset, "CHARSET=utf-8", sizeof(charset));
snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s/%s",
job->filetypes[job->current_file]->super,
job->filetypes[job->current_file]->type);
snprintf(device_uri, sizeof(device_uri), "DEVICE_URI=%s",
job->printer->device_uri);
snprintf(ppd, sizeof(ppd), "PPD=%s/ppd/%s.ppd", ServerRoot,
job->printer->name);
snprintf(printer_info, sizeof(printer_name), "PRINTER_INFO=%s",
job->printer->info ? job->printer->info : "");
snprintf(printer_location, sizeof(printer_name), "PRINTER_LOCATION=%s",
job->printer->location ? job->printer->location : "");
snprintf(printer_name, sizeof(printer_name), "PRINTER=%s", job->printer->name);
if (job->printer->num_reasons > 0)
{
char *psrptr; /* Pointer into PRINTER_STATE_REASONS */
size_t psrlen; /* Size of PRINTER_STATE_REASONS */
for (psrlen = 22, i = 0; i < job->printer->num_reasons; i ++)
psrlen += strlen(job->printer->reasons[i]) + 1;
if ((printer_state_reasons = malloc(psrlen)) != NULL)
{
/*
* All of these strcpy's are safe because we allocated the psr string...