1 /*
2  * Printing utilities for CUPS.
3  *
4  * Copyright 2007-2017 by Apple Inc.
5  * Copyright 1997-2006 by Easy Software Products.
6  *
7  * These coded instructions, statements, and computer programs are the
8  * property of Apple Inc. and are protected by Federal copyright
9  * law.  Distribution and use rights are outlined in the file "LICENSE.txt"
10  * which should have been included with this file.  If this file is
11  * missing or damaged, see the license at "http://www.cups.org/".
12  *
13  * This file is subject to the Apple OS-Developed Software exception.
14  */
15 
16 /*
17  * Include necessary headers...
18  */
19 
20 #include "cups-private.h"
21 #include <fcntl.h>
22 #include <sys/stat.h>
23 #if defined(WIN32) || defined(__EMX__)
24 #  include <io.h>
25 #else
26 #  include <unistd.h>
27 #endif /* WIN32 || __EMX__ */
28 
29 
30 /*
31  * Enumeration data and callback...
32  */
33 
34 typedef struct _cups_createdata_s
35 {
36   const char  *name;                    /* Destination name */
37   cups_dest_t *dest;                    /* Matching destination */
38 } _cups_createdata_t;
39 
40 static int  cups_create_cb(_cups_createdata_t *data, unsigned flags, cups_dest_t *dest);
41 
42 
43 /*
44  * 'cupsCancelJob()' - Cancel a print job on the default server.
45  *
46  * Pass @code CUPS_JOBID_ALL@ to cancel all jobs or @code CUPS_JOBID_CURRENT@
47  * to cancel the current job on the named destination.
48  *
49  * Use the @link cupsLastError@ and @link cupsLastErrorString@ functions to get
50  * the cause of any failure.
51  *
52  * @exclude all@
53  */
54 
55 int					/* O - 1 on success, 0 on failure */
cupsCancelJob(const char * name,int job_id)56 cupsCancelJob(const char *name,		/* I - Name of printer or class */
57               int        job_id)	/* I - Job ID, @code CUPS_JOBID_CURRENT@ for the current job, or @code CUPS_JOBID_ALL@ for all jobs */
58 {
59   return (cupsCancelJob2(CUPS_HTTP_DEFAULT, name, job_id, 0)
60               < IPP_STATUS_REDIRECTION_OTHER_SITE);
61 }
62 
63 
64 /*
65  * 'cupsCancelJob2()' - Cancel or purge a print job.
66  *
67  * Canceled jobs remain in the job history while purged jobs are removed
68  * from the job history.
69  *
70  * Pass @code CUPS_JOBID_ALL@ to cancel all jobs or @code CUPS_JOBID_CURRENT@
71  * to cancel the current job on the named destination.
72  *
73  * Use the @link cupsLastError@ and @link cupsLastErrorString@ functions to get
74  * the cause of any failure.
75  *
76  * @since CUPS 1.4/macOS 10.6@ @exclude all@
77  */
78 
79 ipp_status_t				/* O - IPP status */
cupsCancelJob2(http_t * http,const char * name,int job_id,int purge)80 cupsCancelJob2(http_t     *http,	/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
81                const char *name,	/* I - Name of printer or class */
82                int        job_id,	/* I - Job ID, @code CUPS_JOBID_CURRENT@ for the current job, or @code CUPS_JOBID_ALL@ for all jobs */
83 	       int        purge)	/* I - 1 to purge, 0 to cancel */
84 {
85   char		uri[HTTP_MAX_URI];	/* Job/printer URI */
86   ipp_t		*request;		/* IPP request */
87 
88 
89  /*
90   * Range check input...
91   */
92 
93   if (job_id < -1 || (!name && job_id == 0))
94   {
95     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
96     return (0);
97   }
98 
99  /*
100   * Connect to the default server as needed...
101   */
102 
103   if (!http)
104     if ((http = _cupsConnect()) == NULL)
105       return (IPP_STATUS_ERROR_SERVICE_UNAVAILABLE);
106 
107  /*
108   * Build an IPP_CANCEL_JOB or IPP_PURGE_JOBS request, which requires the following
109   * attributes:
110   *
111   *    attributes-charset
112   *    attributes-natural-language
113   *    job-uri or printer-uri + job-id
114   *    requesting-user-name
115   *    [purge-job] or [purge-jobs]
116   */
117 
118   request = ippNewRequest(job_id < 0 ? IPP_OP_PURGE_JOBS : IPP_OP_CANCEL_JOB);
119 
120   if (name)
121   {
122     httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
123                      "localhost", ippPort(), "/printers/%s", name);
124 
125     ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL,
126                  uri);
127     ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
128                   job_id);
129   }
130   else if (job_id > 0)
131   {
132     snprintf(uri, sizeof(uri), "ipp://localhost/jobs/%d", job_id);
133 
134     ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri);
135   }
136 
137   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
138                NULL, cupsUser());
139 
140   if (purge && job_id >= 0)
141     ippAddBoolean(request, IPP_TAG_OPERATION, "purge-job", 1);
142   else if (!purge && job_id < 0)
143     ippAddBoolean(request, IPP_TAG_OPERATION, "purge-jobs", 0);
144 
145  /*
146   * Do the request...
147   */
148 
149   ippDelete(cupsDoRequest(http, request, "/jobs/"));
150 
151   return (cupsLastError());
152 }
153 
154 
155 /*
156  * 'cupsCreateJob()' - Create an empty job for streaming.
157  *
158  * Use this function when you want to stream print data using the
159  * @link cupsStartDocument@, @link cupsWriteRequestData@, and
160  * @link cupsFinishDocument@ functions.  If you have one or more files to
161  * print, use the @link cupsPrintFile2@ or @link cupsPrintFiles2@ function
162  * instead.
163  *
164  * @since CUPS 1.4/macOS 10.6@ @exclude all@
165  */
166 
167 int					/* O - Job ID or 0 on error */
cupsCreateJob(http_t * http,const char * name,const char * title,int num_options,cups_option_t * options)168 cupsCreateJob(
169     http_t        *http,		/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
170     const char    *name,		/* I - Destination name */
171     const char    *title,		/* I - Title of job */
172     int           num_options,		/* I - Number of options */
173     cups_option_t *options)		/* I - Options */
174 {
175   int		job_id = 0;		/* job-id value */
176   ipp_status_t  status;                 /* Create-Job status */
177   _cups_createdata_t data;              /* Enumeration data */
178   cups_dinfo_t  *info;                  /* Destination information */
179 
180 
181   DEBUG_printf(("cupsCreateJob(http=%p, name=\"%s\", title=\"%s\", num_options=%d, options=%p)", (void *)http, name, title, num_options, (void *)options));
182 
183  /*
184   * Range check input...
185   */
186 
187   if (!name)
188   {
189     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
190     return (0);
191   }
192 
193  /*
194   * Lookup the destination...
195   */
196 
197   data.name = name;
198   data.dest = NULL;
199 
200   cupsEnumDests(0, 1000, NULL, 0, 0, (cups_dest_cb_t)cups_create_cb, &data);
201 
202   if (!data.dest)
203   {
204     DEBUG_puts("1cupsCreateJob: Destination not found.");
205     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(ENOENT), 0);
206     return (0);
207   }
208 
209  /*
210   * Query dest information and create the job...
211   */
212 
213   DEBUG_puts("1cupsCreateJob: Querying destination info.");
214   if ((info = cupsCopyDestInfo(http, data.dest)) == NULL)
215   {
216     DEBUG_puts("1cupsCreateJob: Query failed.");
217     cupsFreeDests(1, data.dest);
218     return (0);
219   }
220 
221   status = cupsCreateDestJob(http, data.dest, info, &job_id, title, num_options, options);
222   DEBUG_printf(("1cupsCreateJob: cupsCreateDestJob returned %04x (%s)", status, ippErrorString(status)));
223 
224   cupsFreeDestInfo(info);
225   cupsFreeDests(1, data.dest);
226 
227  /*
228   * Return the job...
229   */
230 
231   if (status >= IPP_STATUS_REDIRECTION_OTHER_SITE)
232     return (0);
233   else
234     return (job_id);
235 }
236 
237 
238 /*
239  * 'cupsFinishDocument()' - Finish sending a document.
240  *
241  * The document must have been started using @link cupsStartDocument@.
242  *
243  * @since CUPS 1.4/macOS 10.6@ @exclude all@
244  */
245 
246 ipp_status_t				/* O - Status of document submission */
cupsFinishDocument(http_t * http,const char * name)247 cupsFinishDocument(http_t     *http,	/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
248                    const char *name)	/* I - Destination name */
249 {
250   char	resource[1024];			/* Printer resource */
251 
252 
253   snprintf(resource, sizeof(resource), "/printers/%s", name);
254 
255   ippDelete(cupsGetResponse(http, resource));
256 
257   return (cupsLastError());
258 }
259 
260 
261 /*
262  * 'cupsFreeJobs()' - Free memory used by job data.
263  */
264 
265 void
cupsFreeJobs(int num_jobs,cups_job_t * jobs)266 cupsFreeJobs(int        num_jobs,	/* I - Number of jobs */
267              cups_job_t *jobs)		/* I - Jobs */
268 {
269   int		i;			/* Looping var */
270   cups_job_t	*job;			/* Current job */
271 
272 
273   if (num_jobs <= 0 || !jobs)
274     return;
275 
276   for (i = num_jobs, job = jobs; i > 0; i --, job ++)
277   {
278     _cupsStrFree(job->dest);
279     _cupsStrFree(job->user);
280     _cupsStrFree(job->format);
281     _cupsStrFree(job->title);
282   }
283 
284   free(jobs);
285 }
286 
287 
288 /*
289  * 'cupsGetClasses()' - Get a list of printer classes from the default server.
290  *
291  * This function is deprecated and no longer returns a list of printer
292  * classes - use @link cupsGetDests@ instead.
293  *
294  * @deprecated@ @exclude all@
295  */
296 
297 int					/* O - Number of classes */
cupsGetClasses(char *** classes)298 cupsGetClasses(char ***classes)		/* O - Classes */
299 {
300   if (classes)
301     *classes = NULL;
302 
303   return (0);
304 }
305 
306 
307 /*
308  * 'cupsGetDefault()' - Get the default printer or class for the default server.
309  *
310  * This function returns the default printer or class as defined by
311  * the LPDEST or PRINTER environment variables. If these environment
312  * variables are not set, the server default destination is returned.
313  * Applications should use the @link cupsGetDests@ and @link cupsGetDest@
314  * functions to get the user-defined default printer, as this function does
315  * not support the lpoptions-defined default printer.
316  *
317  * @exclude all@
318  */
319 
320 const char *				/* O - Default printer or @code NULL@ */
cupsGetDefault(void)321 cupsGetDefault(void)
322 {
323  /*
324   * Return the default printer...
325   */
326 
327   return (cupsGetDefault2(CUPS_HTTP_DEFAULT));
328 }
329 
330 
331 /*
332  * 'cupsGetDefault2()' - Get the default printer or class for the specified server.
333  *
334  * This function returns the default printer or class as defined by
335  * the LPDEST or PRINTER environment variables. If these environment
336  * variables are not set, the server default destination is returned.
337  * Applications should use the @link cupsGetDests@ and @link cupsGetDest@
338  * functions to get the user-defined default printer, as this function does
339  * not support the lpoptions-defined default printer.
340  *
341  * @since CUPS 1.1.21/macOS 10.4@ @exclude all@
342  */
343 
344 const char *				/* O - Default printer or @code NULL@ */
cupsGetDefault2(http_t * http)345 cupsGetDefault2(http_t *http)		/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
346 {
347   ipp_t		*request,		/* IPP Request */
348 		*response;		/* IPP Response */
349   ipp_attribute_t *attr;		/* Current attribute */
350   _cups_globals_t *cg = _cupsGlobals();	/* Pointer to library globals */
351 
352 
353  /*
354   * See if we have a user default printer set...
355   */
356 
357   if (_cupsUserDefault(cg->def_printer, sizeof(cg->def_printer)))
358     return (cg->def_printer);
359 
360  /*
361   * Connect to the server as needed...
362   */
363 
364   if (!http)
365     if ((http = _cupsConnect()) == NULL)
366       return (NULL);
367 
368  /*
369   * Build a CUPS_GET_DEFAULT request, which requires the following
370   * attributes:
371   *
372   *    attributes-charset
373   *    attributes-natural-language
374   */
375 
376   request = ippNewRequest(IPP_OP_CUPS_GET_DEFAULT);
377 
378  /*
379   * Do the request and get back a response...
380   */
381 
382   if ((response = cupsDoRequest(http, request, "/")) != NULL)
383   {
384     if ((attr = ippFindAttribute(response, "printer-name",
385                                  IPP_TAG_NAME)) != NULL)
386     {
387       strlcpy(cg->def_printer, attr->values[0].string.text,
388               sizeof(cg->def_printer));
389       ippDelete(response);
390       return (cg->def_printer);
391     }
392 
393     ippDelete(response);
394   }
395 
396   return (NULL);
397 }
398 
399 
400 /*
401  * 'cupsGetJobs()' - Get the jobs from the default server.
402  *
403  * A "whichjobs" value of @code CUPS_WHICHJOBS_ALL@ returns all jobs regardless
404  * of state, while @code CUPS_WHICHJOBS_ACTIVE@ returns jobs that are
405  * pending, processing, or held and @code CUPS_WHICHJOBS_COMPLETED@ returns
406  * jobs that are stopped, canceled, aborted, or completed.
407  *
408  * @exclude all@
409  */
410 
411 int					/* O - Number of jobs */
cupsGetJobs(cups_job_t ** jobs,const char * name,int myjobs,int whichjobs)412 cupsGetJobs(cups_job_t **jobs,		/* O - Job data */
413             const char *name,		/* I - @code NULL@ = all destinations, otherwise show jobs for named destination */
414             int        myjobs,		/* I - 0 = all users, 1 = mine */
415 	    int        whichjobs)	/* I - @code CUPS_WHICHJOBS_ALL@, @code CUPS_WHICHJOBS_ACTIVE@, or @code CUPS_WHICHJOBS_COMPLETED@ */
416 {
417  /*
418   * Return the jobs...
419   */
420 
421   return (cupsGetJobs2(CUPS_HTTP_DEFAULT, jobs, name, myjobs, whichjobs));
422 }
423 
424 
425 
426 /*
427  * 'cupsGetJobs2()' - Get the jobs from the specified server.
428  *
429  * A "whichjobs" value of @code CUPS_WHICHJOBS_ALL@ returns all jobs regardless
430  * of state, while @code CUPS_WHICHJOBS_ACTIVE@ returns jobs that are
431  * pending, processing, or held and @code CUPS_WHICHJOBS_COMPLETED@ returns
432  * jobs that are stopped, canceled, aborted, or completed.
433  *
434  * @since CUPS 1.1.21/macOS 10.4@
435  */
436 
437 int					/* O - Number of jobs */
cupsGetJobs2(http_t * http,cups_job_t ** jobs,const char * name,int myjobs,int whichjobs)438 cupsGetJobs2(http_t     *http,		/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
439              cups_job_t **jobs,		/* O - Job data */
440              const char *name,		/* I - @code NULL@ = all destinations, otherwise show jobs for named destination */
441              int        myjobs,		/* I - 0 = all users, 1 = mine */
442 	     int        whichjobs)	/* I - @code CUPS_WHICHJOBS_ALL@, @code CUPS_WHICHJOBS_ACTIVE@, or @code CUPS_WHICHJOBS_COMPLETED@ */
443 {
444   int		n;			/* Number of jobs */
445   ipp_t		*request,		/* IPP Request */
446 		*response;		/* IPP Response */
447   ipp_attribute_t *attr;		/* Current attribute */
448   cups_job_t	*temp;			/* Temporary pointer */
449   int		id,			/* job-id */
450 		priority,		/* job-priority */
451 		size;			/* job-k-octets */
452   ipp_jstate_t	state;			/* job-state */
453   time_t	completed_time,		/* time-at-completed */
454 		creation_time,		/* time-at-creation */
455 		processing_time;	/* time-at-processing */
456   const char	*dest,			/* job-printer-uri */
457 		*format,		/* document-format */
458 		*title,			/* job-name */
459 		*user;			/* job-originating-user-name */
460   char		uri[HTTP_MAX_URI];	/* URI for jobs */
461   _cups_globals_t *cg = _cupsGlobals();	/* Pointer to library globals */
462   static const char * const attrs[] =	/* Requested attributes */
463 		{
464 		  "document-format",
465 		  "job-id",
466 		  "job-k-octets",
467 		  "job-name",
468 		  "job-originating-user-name",
469 		  "job-printer-uri",
470 		  "job-priority",
471 		  "job-state",
472 		  "time-at-completed",
473 		  "time-at-creation",
474 		  "time-at-processing"
475 		};
476 
477 
478  /*
479   * Range check input...
480   */
481 
482   if (!jobs)
483   {
484     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
485 
486     return (-1);
487   }
488 
489  /*
490   * Get the right URI...
491   */
492 
493   if (name)
494   {
495     if (httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
496                          "localhost", 0, "/printers/%s",
497                          name) < HTTP_URI_STATUS_OK)
498     {
499       _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
500                     _("Unable to create printer-uri"), 1);
501 
502       return (-1);
503     }
504   }
505   else
506     strlcpy(uri, "ipp://localhost/", sizeof(uri));
507 
508   if (!http)
509     if ((http = _cupsConnect()) == NULL)
510       return (-1);
511 
512  /*
513   * Build an IPP_GET_JOBS request, which requires the following
514   * attributes:
515   *
516   *    attributes-charset
517   *    attributes-natural-language
518   *    printer-uri
519   *    requesting-user-name
520   *    which-jobs
521   *    my-jobs
522   *    requested-attributes
523   */
524 
525   request = ippNewRequest(IPP_OP_GET_JOBS);
526 
527   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
528                "printer-uri", NULL, uri);
529 
530   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
531                "requesting-user-name", NULL, cupsUser());
532 
533   if (myjobs)
534     ippAddBoolean(request, IPP_TAG_OPERATION, "my-jobs", 1);
535 
536   if (whichjobs == CUPS_WHICHJOBS_COMPLETED)
537     ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
538                  "which-jobs", NULL, "completed");
539   else if (whichjobs == CUPS_WHICHJOBS_ALL)
540     ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
541                  "which-jobs", NULL, "all");
542 
543   ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
544                 "requested-attributes", sizeof(attrs) / sizeof(attrs[0]),
545 		NULL, attrs);
546 
547  /*
548   * Do the request and get back a response...
549   */
550 
551   n     = 0;
552   *jobs = NULL;
553 
554   if ((response = cupsDoRequest(http, request, "/")) != NULL)
555   {
556     for (attr = response->attrs; attr; attr = attr->next)
557     {
558      /*
559       * Skip leading attributes until we hit a job...
560       */
561 
562       while (attr && attr->group_tag != IPP_TAG_JOB)
563         attr = attr->next;
564 
565       if (!attr)
566         break;
567 
568      /*
569       * Pull the needed attributes from this job...
570       */
571 
572       id              = 0;
573       size            = 0;
574       priority        = 50;
575       state           = IPP_JSTATE_PENDING;
576       user            = "unknown";
577       dest            = NULL;
578       format          = "application/octet-stream";
579       title           = "untitled";
580       creation_time   = 0;
581       completed_time  = 0;
582       processing_time = 0;
583 
584       while (attr && attr->group_tag == IPP_TAG_JOB)
585       {
586         if (!strcmp(attr->name, "job-id") &&
587 	    attr->value_tag == IPP_TAG_INTEGER)
588 	  id = attr->values[0].integer;
589         else if (!strcmp(attr->name, "job-state") &&
590 	         attr->value_tag == IPP_TAG_ENUM)
591 	  state = (ipp_jstate_t)attr->values[0].integer;
592         else if (!strcmp(attr->name, "job-priority") &&
593 	         attr->value_tag == IPP_TAG_INTEGER)
594 	  priority = attr->values[0].integer;
595         else if (!strcmp(attr->name, "job-k-octets") &&
596 	         attr->value_tag == IPP_TAG_INTEGER)
597 	  size = attr->values[0].integer;
598         else if (!strcmp(attr->name, "time-at-completed") &&
599 	         attr->value_tag == IPP_TAG_INTEGER)
600 	  completed_time = attr->values[0].integer;
601         else if (!strcmp(attr->name, "time-at-creation") &&
602 	         attr->value_tag == IPP_TAG_INTEGER)
603 	  creation_time = attr->values[0].integer;
604         else if (!strcmp(attr->name, "time-at-processing") &&
605 	         attr->value_tag == IPP_TAG_INTEGER)
606 	  processing_time = attr->values[0].integer;
607         else if (!strcmp(attr->name, "job-printer-uri") &&
608 	         attr->value_tag == IPP_TAG_URI)
609 	{
610 	  if ((dest = strrchr(attr->values[0].string.text, '/')) != NULL)
611 	    dest ++;
612         }
613         else if (!strcmp(attr->name, "job-originating-user-name") &&
614 	         attr->value_tag == IPP_TAG_NAME)
615 	  user = attr->values[0].string.text;
616         else if (!strcmp(attr->name, "document-format") &&
617 	         attr->value_tag == IPP_TAG_MIMETYPE)
618 	  format = attr->values[0].string.text;
619         else if (!strcmp(attr->name, "job-name") &&
620 	         (attr->value_tag == IPP_TAG_TEXT ||
621 		  attr->value_tag == IPP_TAG_NAME))
622 	  title = attr->values[0].string.text;
623 
624         attr = attr->next;
625       }
626 
627      /*
628       * See if we have everything needed...
629       */
630 
631       if (!dest || !id)
632       {
633         if (!attr)
634 	  break;
635 	else
636           continue;
637       }
638 
639      /*
640       * Allocate memory for the job...
641       */
642 
643       if (n == 0)
644         temp = malloc(sizeof(cups_job_t));
645       else
646 	temp = realloc(*jobs, sizeof(cups_job_t) * (size_t)(n + 1));
647 
648       if (!temp)
649       {
650        /*
651         * Ran out of memory!
652         */
653 
654         _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0);
655 
656 	cupsFreeJobs(n, *jobs);
657 	*jobs = NULL;
658 
659         ippDelete(response);
660 
661 	return (-1);
662       }
663 
664       *jobs = temp;
665       temp  += n;
666       n ++;
667 
668      /*
669       * Copy the data over...
670       */
671 
672       temp->dest            = _cupsStrAlloc(dest);
673       temp->user            = _cupsStrAlloc(user);
674       temp->format          = _cupsStrAlloc(format);
675       temp->title           = _cupsStrAlloc(title);
676       temp->id              = id;
677       temp->priority        = priority;
678       temp->state           = state;
679       temp->size            = size;
680       temp->completed_time  = completed_time;
681       temp->creation_time   = creation_time;
682       temp->processing_time = processing_time;
683 
684       if (!attr)
685         break;
686     }
687 
688     ippDelete(response);
689   }
690 
691   if (n == 0 && cg->last_error >= IPP_STATUS_ERROR_BAD_REQUEST)
692     return (-1);
693   else
694     return (n);
695 }
696 
697 
698 /*
699  * 'cupsGetPrinters()' - Get a list of printers from the default server.
700  *
701  * This function is deprecated and no longer returns a list of printers - use
702  * @link cupsGetDests@ instead.
703  *
704  * @deprecated@ @exclude all@
705  */
706 
707 int					/* O - Number of printers */
cupsGetPrinters(char *** printers)708 cupsGetPrinters(char ***printers)	/* O - Printers */
709 {
710   if (printers)
711     *printers = NULL;
712 
713   return (0);
714 }
715 
716 
717 /*
718  * 'cupsPrintFile()' - Print a file to a printer or class on the default server.
719  *
720  * @exclude all@
721  */
722 
723 int					/* O - Job ID or 0 on error */
cupsPrintFile(const char * name,const char * filename,const char * title,int num_options,cups_option_t * options)724 cupsPrintFile(const char    *name,	/* I - Destination name */
725               const char    *filename,	/* I - File to print */
726 	      const char    *title,	/* I - Title of job */
727               int           num_options,/* I - Number of options */
728 	      cups_option_t *options)	/* I - Options */
729 {
730   DEBUG_printf(("cupsPrintFile(name=\"%s\", filename=\"%s\", title=\"%s\", num_options=%d, options=%p)", name, filename, title, num_options, (void *)options));
731 
732   return (cupsPrintFiles2(CUPS_HTTP_DEFAULT, name, 1, &filename, title,
733                           num_options, options));
734 }
735 
736 
737 /*
738  * 'cupsPrintFile2()' - Print a file to a printer or class on the specified
739  *                      server.
740  *
741  * @since CUPS 1.1.21/macOS 10.4@ @exclude all@
742  */
743 
744 int					/* O - Job ID or 0 on error */
cupsPrintFile2(http_t * http,const char * name,const char * filename,const char * title,int num_options,cups_option_t * options)745 cupsPrintFile2(
746     http_t        *http,		/* I - Connection to server */
747     const char    *name,		/* I - Destination name */
748     const char    *filename,		/* I - File to print */
749     const char    *title,		/* I - Title of job */
750     int           num_options,		/* I - Number of options */
751     cups_option_t *options)		/* I - Options */
752 {
753   DEBUG_printf(("cupsPrintFile2(http=%p, name=\"%s\", filename=\"%s\",  title=\"%s\", num_options=%d, options=%p)", (void *)http, name, filename, title, num_options, (void *)options));
754 
755   return (cupsPrintFiles2(http, name, 1, &filename, title, num_options,
756                           options));
757 }
758 
759 
760 /*
761  * 'cupsPrintFiles()' - Print one or more files to a printer or class on the
762  *                      default server.
763  *
764  * @exclude all@
765  */
766 
767 int					/* O - Job ID or 0 on error */
cupsPrintFiles(const char * name,int num_files,const char ** files,const char * title,int num_options,cups_option_t * options)768 cupsPrintFiles(
769     const char    *name,		/* I - Destination name */
770     int           num_files,		/* I - Number of files */
771     const char    **files,		/* I - File(s) to print */
772     const char    *title,		/* I - Title of job */
773     int           num_options,		/* I - Number of options */
774     cups_option_t *options)		/* I - Options */
775 {
776   DEBUG_printf(("cupsPrintFiles(name=\"%s\", num_files=%d, files=%p, title=\"%s\", num_options=%d, options=%p)", name, num_files, (void *)files, title, num_options, (void *)options));
777 
778  /*
779   * Print the file(s)...
780   */
781 
782   return (cupsPrintFiles2(CUPS_HTTP_DEFAULT, name, num_files, files, title,
783                           num_options, options));
784 }
785 
786 
787 /*
788  * 'cupsPrintFiles2()' - Print one or more files to a printer or class on the
789  *                       specified server.
790  *
791  * @since CUPS 1.1.21/macOS 10.4@ @exclude all@
792  */
793 
794 int					/* O - Job ID or 0 on error */
cupsPrintFiles2(http_t * http,const char * name,int num_files,const char ** files,const char * title,int num_options,cups_option_t * options)795 cupsPrintFiles2(
796     http_t        *http,		/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
797     const char    *name,		/* I - Destination name */
798     int           num_files,		/* I - Number of files */
799     const char    **files,		/* I - File(s) to print */
800     const char    *title,		/* I - Title of job */
801     int           num_options,		/* I - Number of options */
802     cups_option_t *options)		/* I - Options */
803 {
804   int		i;			/* Looping var */
805   int		job_id;			/* New job ID */
806   const char	*docname;		/* Basename of current filename */
807   const char	*format;		/* Document format */
808   cups_file_t	*fp;			/* Current file */
809   char		buffer[8192];		/* Copy buffer */
810   ssize_t	bytes;			/* Bytes in buffer */
811   http_status_t	status;			/* Status of write */
812   _cups_globals_t *cg = _cupsGlobals();	/* Global data */
813   ipp_status_t	cancel_status;		/* Status code to preserve */
814   char		*cancel_message;	/* Error message to preserve */
815 
816 
817   DEBUG_printf(("cupsPrintFiles2(http=%p, name=\"%s\", num_files=%d, files=%p, title=\"%s\", num_options=%d, options=%p)", (void *)http, name, num_files, (void *)files, title, num_options, (void *)options));
818 
819  /*
820   * Range check input...
821   */
822 
823   if (!name || num_files < 1 || !files)
824   {
825     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
826 
827     return (0);
828   }
829 
830  /*
831   * Create the print job...
832   */
833 
834   if ((job_id = cupsCreateJob(http, name, title, num_options, options)) == 0)
835     return (0);
836 
837  /*
838   * Send each of the files...
839   */
840 
841   if (cupsGetOption("raw", num_options, options))
842     format = CUPS_FORMAT_RAW;
843   else if ((format = cupsGetOption("document-format", num_options,
844 				   options)) == NULL)
845     format = CUPS_FORMAT_AUTO;
846 
847   for (i = 0; i < num_files; i ++)
848   {
849    /*
850     * Start the next file...
851     */
852 
853     if ((docname = strrchr(files[i], '/')) != NULL)
854       docname ++;
855     else
856       docname = files[i];
857 
858     if ((fp = cupsFileOpen(files[i], "rb")) == NULL)
859     {
860      /*
861       * Unable to open print file, cancel the job and return...
862       */
863 
864       _cupsSetError(IPP_STATUS_ERROR_DOCUMENT_ACCESS, NULL, 0);
865       goto cancel_job;
866     }
867 
868     status = cupsStartDocument(http, name, job_id, docname, format,
869 			       i == (num_files - 1));
870 
871     while (status == HTTP_STATUS_CONTINUE &&
872 	   (bytes = cupsFileRead(fp, buffer, sizeof(buffer))) > 0)
873       status = cupsWriteRequestData(http, buffer, (size_t)bytes);
874 
875     cupsFileClose(fp);
876 
877     if (status != HTTP_STATUS_CONTINUE || cupsFinishDocument(http, name) != IPP_STATUS_OK)
878     {
879      /*
880       * Unable to queue, cancel the job and return...
881       */
882 
883       goto cancel_job;
884     }
885   }
886 
887   return (job_id);
888 
889  /*
890   * If we get here, something happened while sending the print job so we need
891   * to cancel the job without setting the last error (since we need to preserve
892   * the current error...
893   */
894 
895   cancel_job:
896 
897   cancel_status  = cg->last_error;
898   cancel_message = cg->last_status_message ?
899                        _cupsStrRetain(cg->last_status_message) : NULL;
900 
901   cupsCancelJob2(http, name, job_id, 0);
902 
903   cg->last_error          = cancel_status;
904   cg->last_status_message = cancel_message;
905 
906   return (0);
907 }
908 
909 
910 /*
911  * 'cupsStartDocument()' - Add a document to a job created with cupsCreateJob().
912  *
913  * Use @link cupsWriteRequestData@ to write data for the document and
914  * @link cupsFinishDocument@ to finish the document and get the submission status.
915  *
916  * The MIME type constants @code CUPS_FORMAT_AUTO@, @code CUPS_FORMAT_PDF@,
917  * @code CUPS_FORMAT_POSTSCRIPT@, @code CUPS_FORMAT_RAW@, and
918  * @code CUPS_FORMAT_TEXT@ are provided for the "format" argument, although
919  * any supported MIME type string can be supplied.
920  *
921  * @since CUPS 1.4/macOS 10.6@ @exclude all@
922  */
923 
924 http_status_t				/* O - HTTP status of request */
cupsStartDocument(http_t * http,const char * name,int job_id,const char * docname,const char * format,int last_document)925 cupsStartDocument(
926     http_t     *http,			/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
927     const char *name,			/* I - Destination name */
928     int        job_id,			/* I - Job ID from @link cupsCreateJob@ */
929     const char *docname,		/* I - Name of document */
930     const char *format,			/* I - MIME type or @code CUPS_FORMAT_foo@ */
931     int        last_document)		/* I - 1 for last document in job, 0 otherwise */
932 {
933   char		resource[1024],		/* Resource for destinatio */
934 		printer_uri[1024];	/* Printer URI */
935   ipp_t		*request;		/* Send-Document request */
936   http_status_t	status;			/* HTTP status */
937 
938 
939  /*
940   * Create a Send-Document request...
941   */
942 
943   if ((request = ippNewRequest(IPP_OP_SEND_DOCUMENT)) == NULL)
944   {
945     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(ENOMEM), 0);
946     return (HTTP_STATUS_ERROR);
947   }
948 
949   httpAssembleURIf(HTTP_URI_CODING_ALL, printer_uri, sizeof(printer_uri), "ipp",
950                    NULL, "localhost", ippPort(), "/printers/%s", name);
951   snprintf(resource, sizeof(resource), "/printers/%s", name);
952 
953   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
954                NULL, printer_uri);
955   ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", job_id);
956   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
957                NULL, cupsUser());
958   if (docname)
959     ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "document-name",
960                  NULL, docname);
961   if (format)
962     ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
963                  "document-format", NULL, format);
964   ippAddBoolean(request, IPP_TAG_OPERATION, "last-document", (char)last_document);
965 
966  /*
967   * Send and delete the request, then return the status...
968   */
969 
970   status = cupsSendRequest(http, request, resource, CUPS_LENGTH_VARIABLE);
971 
972   ippDelete(request);
973 
974   return (status);
975 }
976 
977 
978 /*
979  * 'cups_create_cb()' - Find the destination for printing.
980  */
981 
982 static int                              /* O - 0 on match */
cups_create_cb(_cups_createdata_t * data,unsigned flags,cups_dest_t * dest)983 cups_create_cb(
984     _cups_createdata_t *data,           /* I - Data from cupsCreateJob call */
985     unsigned           flags,           /* I - Enumeration flags */
986     cups_dest_t        *dest)           /* I - Destination */
987 {
988   DEBUG_printf(("2cups_create_cb(data=%p(%s), flags=%08x, dest=%p(%s))", (void *)data, data->name, flags, (void *)dest, dest->name));
989 
990   (void)flags;
991 
992   if (dest->instance || strcasecmp(data->name, dest->name))
993     return (1);
994 
995   cupsCopyDest(dest, 0, &data->dest);
996 
997   return (0);
998 }
999