1 /*
2  * "$Id: util.c 10996 2013-05-29 11:51:34Z msweet $"
3  *
4  *   Printing utilities for CUPS.
5  *
6  *   Copyright 2007-2013 by Apple Inc.
7  *   Copyright 1997-2006 by Easy Software Products.
8  *
9  *   These coded instructions, statements, and computer programs are the
10  *   property of Apple Inc. and are protected by Federal copyright
11  *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
12  *   which should have been included with this file.  If this file is
13  *   file is missing or damaged, see the license at "http://www.cups.org/".
14  *
15  *   This file is subject to the Apple OS-Developed Software exception.
16  *
17  * Contents:
18  *
19  *   cupsCancelJob()        - Cancel a print job on the default server.
20  *   cupsCancelJob2()       - Cancel or purge a print job.
21  *   cupsCreateJob()        - Create an empty job for streaming.
22  *   cupsFinishDocument()   - Finish sending a document.
23  *   cupsFreeJobs()         - Free memory used by job data.
24  *   cupsGetClasses()       - Get a list of printer classes from the default
25  *                            server.
26  *   cupsGetDefault()       - Get the default printer or class for the default
27  *                            server.
28  *   cupsGetDefault2()      - Get the default printer or class for the specified
29  *                            server.
30  *   cupsGetJobs()          - Get the jobs from the default server.
31  *   cupsGetJobs2()         - Get the jobs from the specified server.
32  *   cupsGetPPD()           - Get the PPD file for a printer on the default
33  *                            server.
34  *   cupsGetPPD2()          - Get the PPD file for a printer from the specified
35  *                            server.
36  *   cupsGetPPD3()          - Get the PPD file for a printer on the specified
37  *                            server if it has changed.
38  *   cupsGetPrinters()      - Get a list of printers from the default server.
39  *   cupsGetServerPPD()     - Get an available PPD file from the server.
40  *   cupsPrintFile()        - Print a file to a printer or class on the default
41  *                            server.
42  *   cupsPrintFile2()       - Print a file to a printer or class on the
43  *                            specified server.
44  *   cupsPrintFiles()       - Print one or more files to a printer or class on
45  *                            the default server.
46  *   cupsPrintFiles2()      - Print one or more files to a printer or class on
47  *                            the specified server.
48  *   cupsStartDocument()    - Add a document to a job created with
49  *                            cupsCreateJob().
50  *   cups_get_printer_uri() - Get the printer-uri-supported attribute for the
51  *                            first printer in a class.
52  */
53 
54 /*
55  * Include necessary headers...
56  */
57 
58 #include "cups-private.h"
59 #include <fcntl.h>
60 #include <sys/stat.h>
61 #if defined(WIN32) || defined(__EMX__)
62 #  include <io.h>
63 #else
64 #  include <unistd.h>
65 #endif /* WIN32 || __EMX__ */
66 
67 
68 /*
69  * Local functions...
70  */
71 
72 static int	cups_get_printer_uri(http_t *http, const char *name,
73 		                     char *host, int hostsize, int *port,
74 				     char *resource, int resourcesize,
75 				     int depth);
76 
77 
78 /*
79  * 'cupsCancelJob()' - Cancel a print job on the default server.
80  *
81  * Pass @code CUPS_JOBID_ALL@ to cancel all jobs or @code CUPS_JOBID_CURRENT@
82  * to cancel the current job on the named destination.
83  *
84  * Use the @link cupsLastError@ and @link cupsLastErrorString@ functions to get
85  * the cause of any failure.
86  */
87 
88 int					/* O - 1 on success, 0 on failure */
cupsCancelJob(const char * name,int job_id)89 cupsCancelJob(const char *name,		/* I - Name of printer or class */
90               int        job_id)	/* I - Job ID, @code CUPS_JOBID_CURRENT@ for the current job, or @code CUPS_JOBID_ALL@ for all jobs */
91 {
92   return (cupsCancelJob2(CUPS_HTTP_DEFAULT, name, job_id, 0)
93               < IPP_STATUS_REDIRECTION_OTHER_SITE);
94 }
95 
96 
97 /*
98  * 'cupsCancelJob2()' - Cancel or purge a print job.
99  *
100  * Canceled jobs remain in the job history while purged jobs are removed
101  * from the job history.
102  *
103  * Pass @code CUPS_JOBID_ALL@ to cancel all jobs or @code CUPS_JOBID_CURRENT@
104  * to cancel the current job on the named destination.
105  *
106  * Use the @link cupsLastError@ and @link cupsLastErrorString@ functions to get
107  * the cause of any failure.
108  *
109  * @since CUPS 1.4/OS X 10.6@
110  */
111 
112 ipp_status_t				/* O - IPP status */
cupsCancelJob2(http_t * http,const char * name,int job_id,int purge)113 cupsCancelJob2(http_t     *http,	/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
114                const char *name,	/* I - Name of printer or class */
115                int        job_id,	/* I - Job ID, @code CUPS_JOBID_CURRENT@ for the current job, or @code CUPS_JOBID_ALL@ for all jobs */
116 	       int        purge)	/* I - 1 to purge, 0 to cancel */
117 {
118   char		uri[HTTP_MAX_URI];	/* Job/printer URI */
119   ipp_t		*request;		/* IPP request */
120 
121 
122  /*
123   * Range check input...
124   */
125 
126   if (job_id < -1 || (!name && job_id == 0))
127   {
128     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
129     return (0);
130   }
131 
132  /*
133   * Connect to the default server as needed...
134   */
135 
136   if (!http)
137     if ((http = _cupsConnect()) == NULL)
138       return (IPP_STATUS_ERROR_SERVICE_UNAVAILABLE);
139 
140  /*
141   * Build an IPP_CANCEL_JOB or IPP_PURGE_JOBS request, which requires the following
142   * attributes:
143   *
144   *    attributes-charset
145   *    attributes-natural-language
146   *    job-uri or printer-uri + job-id
147   *    requesting-user-name
148   *    [purge-job] or [purge-jobs]
149   */
150 
151   request = ippNewRequest(job_id < 0 ? IPP_OP_PURGE_JOBS : IPP_OP_CANCEL_JOB);
152 
153   if (name)
154   {
155     httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
156                      "localhost", ippPort(), "/printers/%s", name);
157 
158     ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL,
159                  uri);
160     ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
161                   job_id);
162   }
163   else if (job_id > 0)
164   {
165     snprintf(uri, sizeof(uri), "ipp://localhost/jobs/%d", job_id);
166 
167     ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri);
168   }
169 
170   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
171                NULL, cupsUser());
172 
173   if (purge && job_id >= 0)
174     ippAddBoolean(request, IPP_TAG_OPERATION, "purge-job", 1);
175   else if (!purge && job_id < 0)
176     ippAddBoolean(request, IPP_TAG_OPERATION, "purge-jobs", 0);
177 
178  /*
179   * Do the request...
180   */
181 
182   ippDelete(cupsDoRequest(http, request, "/jobs/"));
183 
184   return (cupsLastError());
185 }
186 
187 
188 /*
189  * 'cupsCreateJob()' - Create an empty job for streaming.
190  *
191  * Use this function when you want to stream print data using the
192  * @link cupsStartDocument@, @link cupsWriteRequestData@, and
193  * @link cupsFinishDocument@ functions.  If you have one or more files to
194  * print, use the @link cupsPrintFile2@ or @link cupsPrintFiles2@ function
195  * instead.
196  *
197  * @since CUPS 1.4/OS X 10.6@
198  */
199 
200 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)201 cupsCreateJob(
202     http_t        *http,		/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
203     const char    *name,		/* I - Destination name */
204     const char    *title,		/* I - Title of job */
205     int           num_options,		/* I - Number of options */
206     cups_option_t *options)		/* I - Options */
207 {
208   char		printer_uri[1024],	/* Printer URI */
209 		resource[1024];		/* Printer resource */
210   ipp_t		*request,		/* Create-Job request */
211 		*response;		/* Create-Job response */
212   ipp_attribute_t *attr;		/* job-id attribute */
213   int		job_id = 0;		/* job-id value */
214 
215 
216   DEBUG_printf(("cupsCreateJob(http=%p, name=\"%s\", title=\"%s\", "
217                 "num_options=%d, options=%p)",
218                 http, name, title, num_options, options));
219 
220  /*
221   * Range check input...
222   */
223 
224   if (!name)
225   {
226     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
227     return (0);
228   }
229 
230  /*
231   * Build a Create-Job request...
232   */
233 
234   if ((request = ippNewRequest(IPP_OP_CREATE_JOB)) == NULL)
235   {
236     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(ENOMEM), 0);
237     return (0);
238   }
239 
240   httpAssembleURIf(HTTP_URI_CODING_ALL, printer_uri, sizeof(printer_uri), "ipp",
241                    NULL, "localhost", ippPort(), "/printers/%s", name);
242   snprintf(resource, sizeof(resource), "/printers/%s", name);
243 
244   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
245                NULL, printer_uri);
246   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
247                NULL, cupsUser());
248   if (title)
249     ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL,
250                  title);
251   cupsEncodeOptions2(request, num_options, options, IPP_TAG_OPERATION);
252   cupsEncodeOptions2(request, num_options, options, IPP_TAG_JOB);
253   cupsEncodeOptions2(request, num_options, options, IPP_TAG_SUBSCRIPTION);
254 
255  /*
256   * Send the request and get the job-id...
257   */
258 
259   response = cupsDoRequest(http, request, resource);
260 
261   if ((attr = ippFindAttribute(response, "job-id", IPP_TAG_INTEGER)) != NULL)
262     job_id = attr->values[0].integer;
263 
264   ippDelete(response);
265 
266  /*
267   * Return it...
268   */
269 
270   return (job_id);
271 }
272 
273 
274 /*
275  * 'cupsFinishDocument()' - Finish sending a document.
276  *
277  * The document must have been started using @link cupsStartDocument@.
278  *
279  * @since CUPS 1.4/OS X 10.6@
280  */
281 
282 ipp_status_t				/* O - Status of document submission */
cupsFinishDocument(http_t * http,const char * name)283 cupsFinishDocument(http_t     *http,	/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
284                    const char *name)	/* I - Destination name */
285 {
286   char	resource[1024];			/* Printer resource */
287 
288 
289   snprintf(resource, sizeof(resource), "/printers/%s", name);
290 
291   ippDelete(cupsGetResponse(http, resource));
292 
293   return (cupsLastError());
294 }
295 
296 
297 /*
298  * 'cupsFreeJobs()' - Free memory used by job data.
299  */
300 
301 void
cupsFreeJobs(int num_jobs,cups_job_t * jobs)302 cupsFreeJobs(int        num_jobs,	/* I - Number of jobs */
303              cups_job_t *jobs)		/* I - Jobs */
304 {
305   int		i;			/* Looping var */
306   cups_job_t	*job;			/* Current job */
307 
308 
309   if (num_jobs <= 0 || !jobs)
310     return;
311 
312   for (i = num_jobs, job = jobs; i > 0; i --, job ++)
313   {
314     _cupsStrFree(job->dest);
315     _cupsStrFree(job->user);
316     _cupsStrFree(job->format);
317     _cupsStrFree(job->title);
318   }
319 
320   free(jobs);
321 }
322 
323 
324 /*
325  * 'cupsGetClasses()' - Get a list of printer classes from the default server.
326  *
327  * This function is deprecated - use @link cupsGetDests@ instead.
328  *
329  * @deprecated@
330  */
331 
332 int					/* O - Number of classes */
cupsGetClasses(char *** classes)333 cupsGetClasses(char ***classes)		/* O - Classes */
334 {
335   int		n;			/* Number of classes */
336   ipp_t		*request,		/* IPP Request */
337 		*response;		/* IPP Response */
338   ipp_attribute_t *attr;		/* Current attribute */
339   char		**temp;			/* Temporary pointer */
340   http_t	*http;			/* Connection to server */
341 
342 
343   if (!classes)
344   {
345     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
346 
347     return (0);
348   }
349 
350   *classes = NULL;
351 
352   if ((http = _cupsConnect()) == NULL)
353     return (0);
354 
355  /*
356   * Build a CUPS_GET_CLASSES request, which requires the following
357   * attributes:
358   *
359   *    attributes-charset
360   *    attributes-natural-language
361   *    requested-attributes
362   */
363 
364   request = ippNewRequest(IPP_OP_CUPS_GET_CLASSES);
365 
366   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
367                "requested-attributes", NULL, "printer-name");
368 
369  /*
370   * Do the request and get back a response...
371   */
372 
373   n = 0;
374 
375   if ((response = cupsDoRequest(http, request, "/")) != NULL)
376   {
377     for (attr = response->attrs; attr != NULL; attr = attr->next)
378       if (attr->name != NULL &&
379           _cups_strcasecmp(attr->name, "printer-name") == 0 &&
380           attr->value_tag == IPP_TAG_NAME)
381       {
382         if (n == 0)
383 	  temp = malloc(sizeof(char *));
384 	else
385 	  temp = realloc(*classes, sizeof(char *) * (n + 1));
386 
387 	if (temp == NULL)
388 	{
389 	 /*
390 	  * Ran out of memory!
391 	  */
392 
393           while (n > 0)
394 	  {
395 	    n --;
396 	    free((*classes)[n]);
397 	  }
398 
399 	  free(*classes);
400 	  ippDelete(response);
401 	  return (0);
402 	}
403 
404         *classes = temp;
405         temp[n]  = strdup(attr->values[0].string.text);
406 	n ++;
407       }
408 
409     ippDelete(response);
410   }
411 
412   return (n);
413 }
414 
415 
416 /*
417  * 'cupsGetDefault()' - Get the default printer or class for the default server.
418  *
419  * This function returns the default printer or class as defined by
420  * the LPDEST or PRINTER environment variables. If these environment
421  * variables are not set, the server default destination is returned.
422  * Applications should use the @link cupsGetDests@ and @link cupsGetDest@
423  * functions to get the user-defined default printer, as this function does
424  * not support the lpoptions-defined default printer.
425  */
426 
427 const char *				/* O - Default printer or @code NULL@ */
cupsGetDefault(void)428 cupsGetDefault(void)
429 {
430  /*
431   * Return the default printer...
432   */
433 
434   return (cupsGetDefault2(CUPS_HTTP_DEFAULT));
435 }
436 
437 
438 /*
439  * 'cupsGetDefault2()' - Get the default printer or class for the specified server.
440  *
441  * This function returns the default printer or class as defined by
442  * the LPDEST or PRINTER environment variables. If these environment
443  * variables are not set, the server default destination is returned.
444  * Applications should use the @link cupsGetDests@ and @link cupsGetDest@
445  * functions to get the user-defined default printer, as this function does
446  * not support the lpoptions-defined default printer.
447  *
448  * @since CUPS 1.1.21/OS X 10.4@
449  */
450 
451 const char *				/* O - Default printer or @code NULL@ */
cupsGetDefault2(http_t * http)452 cupsGetDefault2(http_t *http)		/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
453 {
454   ipp_t		*request,		/* IPP Request */
455 		*response;		/* IPP Response */
456   ipp_attribute_t *attr;		/* Current attribute */
457   _cups_globals_t *cg = _cupsGlobals();	/* Pointer to library globals */
458 
459 
460  /*
461   * See if we have a user default printer set...
462   */
463 
464   if (_cupsUserDefault(cg->def_printer, sizeof(cg->def_printer)))
465     return (cg->def_printer);
466 
467  /*
468   * Connect to the server as needed...
469   */
470 
471   if (!http)
472     if ((http = _cupsConnect()) == NULL)
473       return (NULL);
474 
475  /*
476   * Build a CUPS_GET_DEFAULT request, which requires the following
477   * attributes:
478   *
479   *    attributes-charset
480   *    attributes-natural-language
481   */
482 
483   request = ippNewRequest(IPP_OP_CUPS_GET_DEFAULT);
484 
485  /*
486   * Do the request and get back a response...
487   */
488 
489   if ((response = cupsDoRequest(http, request, "/")) != NULL)
490   {
491     if ((attr = ippFindAttribute(response, "printer-name",
492                                  IPP_TAG_NAME)) != NULL)
493     {
494       strlcpy(cg->def_printer, attr->values[0].string.text,
495               sizeof(cg->def_printer));
496       ippDelete(response);
497       return (cg->def_printer);
498     }
499 
500     ippDelete(response);
501   }
502 
503   return (NULL);
504 }
505 
506 
507 /*
508  * 'cupsGetJobs()' - Get the jobs from the default server.
509  *
510  * A "whichjobs" value of @code CUPS_WHICHJOBS_ALL@ returns all jobs regardless
511  * of state, while @code CUPS_WHICHJOBS_ACTIVE@ returns jobs that are
512  * pending, processing, or held and @code CUPS_WHICHJOBS_COMPLETED@ returns
513  * jobs that are stopped, canceled, aborted, or completed.
514  */
515 
516 int					/* O - Number of jobs */
cupsGetJobs(cups_job_t ** jobs,const char * name,int myjobs,int whichjobs)517 cupsGetJobs(cups_job_t **jobs,		/* O - Job data */
518             const char *name,		/* I - @code NULL@ = all destinations, otherwise show jobs for named destination */
519             int        myjobs,		/* I - 0 = all users, 1 = mine */
520 	    int        whichjobs)	/* I - @code CUPS_WHICHJOBS_ALL@, @code CUPS_WHICHJOBS_ACTIVE@, or @code CUPS_WHICHJOBS_COMPLETED@ */
521 {
522  /*
523   * Return the jobs...
524   */
525 
526   return (cupsGetJobs2(CUPS_HTTP_DEFAULT, jobs, name, myjobs, whichjobs));
527 }
528 
529 
530 
531 /*
532  * 'cupsGetJobs2()' - Get the jobs from the specified server.
533  *
534  * A "whichjobs" value of @code CUPS_WHICHJOBS_ALL@ returns all jobs regardless
535  * of state, while @code CUPS_WHICHJOBS_ACTIVE@ returns jobs that are
536  * pending, processing, or held and @code CUPS_WHICHJOBS_COMPLETED@ returns
537  * jobs that are stopped, canceled, aborted, or completed.
538  *
539  * @since CUPS 1.1.21/OS X 10.4@
540  */
541 
542 int					/* O - Number of jobs */
cupsGetJobs2(http_t * http,cups_job_t ** jobs,const char * name,int myjobs,int whichjobs)543 cupsGetJobs2(http_t     *http,		/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
544              cups_job_t **jobs,		/* O - Job data */
545              const char *name,		/* I - @code NULL@ = all destinations, otherwise show jobs for named destination */
546              int        myjobs,		/* I - 0 = all users, 1 = mine */
547 	     int        whichjobs)	/* I - @code CUPS_WHICHJOBS_ALL@, @code CUPS_WHICHJOBS_ACTIVE@, or @code CUPS_WHICHJOBS_COMPLETED@ */
548 {
549   int		n;			/* Number of jobs */
550   ipp_t		*request,		/* IPP Request */
551 		*response;		/* IPP Response */
552   ipp_attribute_t *attr;		/* Current attribute */
553   cups_job_t	*temp;			/* Temporary pointer */
554   int		id,			/* job-id */
555 		priority,		/* job-priority */
556 		size;			/* job-k-octets */
557   ipp_jstate_t	state;			/* job-state */
558   time_t	completed_time,		/* time-at-completed */
559 		creation_time,		/* time-at-creation */
560 		processing_time;	/* time-at-processing */
561   const char	*dest,			/* job-printer-uri */
562 		*format,		/* document-format */
563 		*title,			/* job-name */
564 		*user;			/* job-originating-user-name */
565   char		uri[HTTP_MAX_URI];	/* URI for jobs */
566   _cups_globals_t *cg = _cupsGlobals();	/* Pointer to library globals */
567   static const char * const attrs[] =	/* Requested attributes */
568 		{
569 		  "document-format",
570 		  "job-id",
571 		  "job-k-octets",
572 		  "job-name",
573 		  "job-originating-user-name",
574 		  "job-printer-uri",
575 		  "job-priority",
576 		  "job-state",
577 		  "time-at-completed",
578 		  "time-at-creation",
579 		  "time-at-processing"
580 		};
581 
582 
583  /*
584   * Range check input...
585   */
586 
587   if (!jobs)
588   {
589     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
590 
591     return (-1);
592   }
593 
594  /*
595   * Get the right URI...
596   */
597 
598   if (name)
599   {
600     if (httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
601                          "localhost", 0, "/printers/%s",
602                          name) < HTTP_URI_STATUS_OK)
603     {
604       _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
605                     _("Unable to create printer-uri"), 1);
606 
607       return (-1);
608     }
609   }
610   else
611     strlcpy(uri, "ipp://localhost/", sizeof(uri));
612 
613   if (!http)
614     if ((http = _cupsConnect()) == NULL)
615       return (-1);
616 
617  /*
618   * Build an IPP_GET_JOBS request, which requires the following
619   * attributes:
620   *
621   *    attributes-charset
622   *    attributes-natural-language
623   *    printer-uri
624   *    requesting-user-name
625   *    which-jobs
626   *    my-jobs
627   *    requested-attributes
628   */
629 
630   request = ippNewRequest(IPP_OP_GET_JOBS);
631 
632   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
633                "printer-uri", NULL, uri);
634 
635   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
636                "requesting-user-name", NULL, cupsUser());
637 
638   if (myjobs)
639     ippAddBoolean(request, IPP_TAG_OPERATION, "my-jobs", 1);
640 
641   if (whichjobs == CUPS_WHICHJOBS_COMPLETED)
642     ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
643                  "which-jobs", NULL, "completed");
644   else if (whichjobs == CUPS_WHICHJOBS_ALL)
645     ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
646                  "which-jobs", NULL, "all");
647 
648   ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
649                 "requested-attributes", sizeof(attrs) / sizeof(attrs[0]),
650 		NULL, attrs);
651 
652  /*
653   * Do the request and get back a response...
654   */
655 
656   n     = 0;
657   *jobs = NULL;
658 
659   if ((response = cupsDoRequest(http, request, "/")) != NULL)
660   {
661     for (attr = response->attrs; attr; attr = attr->next)
662     {
663      /*
664       * Skip leading attributes until we hit a job...
665       */
666 
667       while (attr && attr->group_tag != IPP_TAG_JOB)
668         attr = attr->next;
669 
670       if (!attr)
671         break;
672 
673      /*
674       * Pull the needed attributes from this job...
675       */
676 
677       id              = 0;
678       size            = 0;
679       priority        = 50;
680       state           = IPP_JSTATE_PENDING;
681       user            = "unknown";
682       dest            = NULL;
683       format          = "application/octet-stream";
684       title           = "untitled";
685       creation_time   = 0;
686       completed_time  = 0;
687       processing_time = 0;
688 
689       while (attr && attr->group_tag == IPP_TAG_JOB)
690       {
691         if (!strcmp(attr->name, "job-id") &&
692 	    attr->value_tag == IPP_TAG_INTEGER)
693 	  id = attr->values[0].integer;
694         else if (!strcmp(attr->name, "job-state") &&
695 	         attr->value_tag == IPP_TAG_ENUM)
696 	  state = (ipp_jstate_t)attr->values[0].integer;
697         else if (!strcmp(attr->name, "job-priority") &&
698 	         attr->value_tag == IPP_TAG_INTEGER)
699 	  priority = attr->values[0].integer;
700         else if (!strcmp(attr->name, "job-k-octets") &&
701 	         attr->value_tag == IPP_TAG_INTEGER)
702 	  size = attr->values[0].integer;
703         else if (!strcmp(attr->name, "time-at-completed") &&
704 	         attr->value_tag == IPP_TAG_INTEGER)
705 	  completed_time = attr->values[0].integer;
706         else if (!strcmp(attr->name, "time-at-creation") &&
707 	         attr->value_tag == IPP_TAG_INTEGER)
708 	  creation_time = attr->values[0].integer;
709         else if (!strcmp(attr->name, "time-at-processing") &&
710 	         attr->value_tag == IPP_TAG_INTEGER)
711 	  processing_time = attr->values[0].integer;
712         else if (!strcmp(attr->name, "job-printer-uri") &&
713 	         attr->value_tag == IPP_TAG_URI)
714 	{
715 	  if ((dest = strrchr(attr->values[0].string.text, '/')) != NULL)
716 	    dest ++;
717         }
718         else if (!strcmp(attr->name, "job-originating-user-name") &&
719 	         attr->value_tag == IPP_TAG_NAME)
720 	  user = attr->values[0].string.text;
721         else if (!strcmp(attr->name, "document-format") &&
722 	         attr->value_tag == IPP_TAG_MIMETYPE)
723 	  format = attr->values[0].string.text;
724         else if (!strcmp(attr->name, "job-name") &&
725 	         (attr->value_tag == IPP_TAG_TEXT ||
726 		  attr->value_tag == IPP_TAG_NAME))
727 	  title = attr->values[0].string.text;
728 
729         attr = attr->next;
730       }
731 
732      /*
733       * See if we have everything needed...
734       */
735 
736       if (!dest || !id)
737       {
738         if (!attr)
739 	  break;
740 	else
741           continue;
742       }
743 
744      /*
745       * Allocate memory for the job...
746       */
747 
748       if (n == 0)
749         temp = malloc(sizeof(cups_job_t));
750       else
751 	temp = realloc(*jobs, sizeof(cups_job_t) * (n + 1));
752 
753       if (!temp)
754       {
755        /*
756         * Ran out of memory!
757         */
758 
759         _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0);
760 
761 	cupsFreeJobs(n, *jobs);
762 	*jobs = NULL;
763 
764         ippDelete(response);
765 
766 	return (-1);
767       }
768 
769       *jobs = temp;
770       temp  += n;
771       n ++;
772 
773      /*
774       * Copy the data over...
775       */
776 
777       temp->dest            = _cupsStrAlloc(dest);
778       temp->user            = _cupsStrAlloc(user);
779       temp->format          = _cupsStrAlloc(format);
780       temp->title           = _cupsStrAlloc(title);
781       temp->id              = id;
782       temp->priority        = priority;
783       temp->state           = state;
784       temp->size            = size;
785       temp->completed_time  = completed_time;
786       temp->creation_time   = creation_time;
787       temp->processing_time = processing_time;
788 
789       if (!attr)
790         break;
791     }
792 
793     ippDelete(response);
794   }
795 
796   if (n == 0 && cg->last_error >= IPP_STATUS_ERROR_BAD_REQUEST)
797     return (-1);
798   else
799     return (n);
800 }
801 
802 
803 /*
804  * 'cupsGetPPD()' - Get the PPD file for a printer on the default server.
805  *
806  * For classes, @code cupsGetPPD@ returns the PPD file for the first printer
807  * in the class.
808  *
809  * The returned filename is stored in a static buffer and is overwritten with
810  * each call to @code cupsGetPPD@ or @link cupsGetPPD2@.  The caller "owns" the
811  * file that is created and must @code unlink@ the returned filename.
812  */
813 
814 const char *				/* O - Filename for PPD file */
cupsGetPPD(const char * name)815 cupsGetPPD(const char *name)		/* I - Destination name */
816 {
817   _cups_globals_t *cg = _cupsGlobals();	/* Pointer to library globals */
818   time_t	modtime = 0;		/* Modification time */
819 
820 
821  /*
822   * Return the PPD file...
823   */
824 
825   cg->ppd_filename[0] = '\0';
826 
827   if (cupsGetPPD3(CUPS_HTTP_DEFAULT, name, &modtime, cg->ppd_filename,
828                   sizeof(cg->ppd_filename)) == HTTP_STATUS_OK)
829     return (cg->ppd_filename);
830   else
831     return (NULL);
832 }
833 
834 
835 /*
836  * 'cupsGetPPD2()' - Get the PPD file for a printer from the specified server.
837  *
838  * For classes, @code cupsGetPPD2@ returns the PPD file for the first printer
839  * in the class.
840  *
841  * The returned filename is stored in a static buffer and is overwritten with
842  * each call to @link cupsGetPPD@ or @code cupsGetPPD2@.  The caller "owns" the
843  * file that is created and must @code unlink@ the returned filename.
844  *
845  * @since CUPS 1.1.21/OS X 10.4@
846  */
847 
848 const char *				/* O - Filename for PPD file */
cupsGetPPD2(http_t * http,const char * name)849 cupsGetPPD2(http_t     *http,		/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
850             const char *name)		/* I - Destination name */
851 {
852   _cups_globals_t *cg = _cupsGlobals();	/* Pointer to library globals */
853   time_t	modtime = 0;		/* Modification time */
854 
855 
856   cg->ppd_filename[0] = '\0';
857 
858   if (cupsGetPPD3(http, name, &modtime, cg->ppd_filename,
859                   sizeof(cg->ppd_filename)) == HTTP_STATUS_OK)
860     return (cg->ppd_filename);
861   else
862     return (NULL);
863 }
864 
865 
866 /*
867  * 'cupsGetPPD3()' - Get the PPD file for a printer on the specified
868  *                   server if it has changed.
869  *
870  * The "modtime" parameter contains the modification time of any
871  * locally-cached content and is updated with the time from the PPD file on
872  * the server.
873  *
874  * The "buffer" parameter contains the local PPD filename.  If it contains
875  * the empty string, a new temporary file is created, otherwise the existing
876  * file will be overwritten as needed.  The caller "owns" the file that is
877  * created and must @code unlink@ the returned filename.
878  *
879  * On success, @code HTTP_STATUS_OK@ is returned for a new PPD file and
880  * @code HTTP_STATUS_NOT_MODIFIED@ if the existing PPD file is up-to-date.  Any other
881  * status is an error.
882  *
883  * For classes, @code cupsGetPPD3@ returns the PPD file for the first printer
884  * in the class.
885  *
886  * @since CUPS 1.4/OS X 10.6@
887  */
888 
889 http_status_t				/* O  - HTTP status */
cupsGetPPD3(http_t * http,const char * name,time_t * modtime,char * buffer,size_t bufsize)890 cupsGetPPD3(http_t     *http,		/* I  - HTTP connection or @code CUPS_HTTP_DEFAULT@ */
891             const char *name,		/* I  - Destination name */
892 	    time_t     *modtime,	/* IO - Modification time */
893 	    char       *buffer,		/* I  - Filename buffer */
894 	    size_t     bufsize)		/* I  - Size of filename buffer */
895 {
896   int		http_port;		/* Port number */
897   char		http_hostname[HTTP_MAX_HOST];
898 					/* Hostname associated with connection */
899   http_t	*http2;			/* Alternate HTTP connection */
900   int		fd;			/* PPD file */
901   char		localhost[HTTP_MAX_URI],/* Local hostname */
902 		hostname[HTTP_MAX_URI],	/* Hostname */
903 		resource[HTTP_MAX_URI];	/* Resource name */
904   int		port;			/* Port number */
905   http_status_t	status;			/* HTTP status from server */
906   char		tempfile[1024] = "";	/* Temporary filename */
907   _cups_globals_t *cg = _cupsGlobals();	/* Pointer to library globals */
908 
909 
910  /*
911   * Range check input...
912   */
913 
914   DEBUG_printf(("cupsGetPPD3(http=%p, name=\"%s\", modtime=%p(%d), buffer=%p, "
915                 "bufsize=%d)", http, name, modtime,
916 		modtime ? (int)*modtime : 0, buffer, (int)bufsize));
917 
918   if (!name)
919   {
920     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No printer name"), 1);
921     return (HTTP_STATUS_NOT_ACCEPTABLE);
922   }
923 
924   if (!modtime)
925   {
926     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No modification time"), 1);
927     return (HTTP_STATUS_NOT_ACCEPTABLE);
928   }
929 
930   if (!buffer || bufsize <= 1)
931   {
932     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad filename buffer"), 1);
933     return (HTTP_STATUS_NOT_ACCEPTABLE);
934   }
935 
936 #ifndef WIN32
937  /*
938   * See if the PPD file is available locally...
939   */
940 
941   if (http)
942     httpGetHostname(http, hostname, sizeof(hostname));
943   else
944   {
945     strlcpy(hostname, cupsServer(), sizeof(hostname));
946     if (hostname[0] == '/')
947       strlcpy(hostname, "localhost", sizeof(hostname));
948   }
949 
950   if (!_cups_strcasecmp(hostname, "localhost"))
951   {
952     char	ppdname[1024];		/* PPD filename */
953     struct stat	ppdinfo;		/* PPD file information */
954 
955 
956     snprintf(ppdname, sizeof(ppdname), "%s/ppd/%s.ppd", cg->cups_serverroot,
957              name);
958     if (!stat(ppdname, &ppdinfo))
959     {
960      /*
961       * OK, the file exists, use it!
962       */
963 
964       if (buffer[0])
965       {
966         unlink(buffer);
967 
968 	if (symlink(ppdname, buffer) && errno != EEXIST)
969         {
970           _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0);
971 
972 	  return (HTTP_STATUS_SERVER_ERROR);
973 	}
974       }
975       else
976       {
977         int		tries;		/* Number of tries */
978         const char	*tmpdir;	/* TMPDIR environment variable */
979 	struct timeval	curtime;	/* Current time */
980 
981        /*
982 	* Previously we put root temporary files in the default CUPS temporary
983 	* directory under /var/spool/cups.  However, since the scheduler cleans
984 	* out temporary files there and runs independently of the user apps, we
985 	* don't want to use it unless specifically told to by cupsd.
986 	*/
987 
988 	if ((tmpdir = getenv("TMPDIR")) == NULL)
989 #  ifdef __APPLE__
990 	  tmpdir = "/private/tmp";	/* /tmp is a symlink to /private/tmp */
991 #  else
992           tmpdir = "/tmp";
993 #  endif /* __APPLE__ */
994 
995        /*
996 	* Make the temporary name using the specified directory...
997 	*/
998 
999 	tries = 0;
1000 
1001 	do
1002 	{
1003 	 /*
1004 	  * Get the current time of day...
1005 	  */
1006 
1007 	  gettimeofday(&curtime, NULL);
1008 
1009 	 /*
1010 	  * Format a string using the hex time values...
1011 	  */
1012 
1013 	  snprintf(buffer, bufsize, "%s/%08lx%05lx", tmpdir,
1014 		   (unsigned long)curtime.tv_sec,
1015 		   (unsigned long)curtime.tv_usec);
1016 
1017 	 /*
1018 	  * Try to make a symlink...
1019 	  */
1020 
1021 	  if (!symlink(ppdname, buffer))
1022 	    break;
1023 
1024 	  tries ++;
1025 	}
1026 	while (tries < 1000);
1027 
1028         if (tries >= 1000)
1029 	{
1030           _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0);
1031 
1032 	  return (HTTP_STATUS_SERVER_ERROR);
1033 	}
1034       }
1035 
1036       if (*modtime >= ppdinfo.st_mtime)
1037         return (HTTP_STATUS_NOT_MODIFIED);
1038       else
1039       {
1040         *modtime = ppdinfo.st_mtime;
1041 	return (HTTP_STATUS_OK);
1042       }
1043     }
1044   }
1045 #endif /* !WIN32 */
1046 
1047  /*
1048   * Try finding a printer URI for this printer...
1049   */
1050 
1051   if (!http)
1052     if ((http = _cupsConnect()) == NULL)
1053       return (HTTP_STATUS_SERVICE_UNAVAILABLE);
1054 
1055   if (!cups_get_printer_uri(http, name, hostname, sizeof(hostname), &port,
1056                             resource, sizeof(resource), 0))
1057     return (HTTP_STATUS_NOT_FOUND);
1058 
1059   DEBUG_printf(("2cupsGetPPD3: Printer hostname=\"%s\", port=%d", hostname,
1060                 port));
1061 
1062  /*
1063   * Remap local hostname to localhost...
1064   */
1065 
1066   httpGetHostname(NULL, localhost, sizeof(localhost));
1067 
1068   DEBUG_printf(("2cupsGetPPD3: Local hostname=\"%s\"", localhost));
1069 
1070   if (!_cups_strcasecmp(localhost, hostname))
1071     strlcpy(hostname, "localhost", sizeof(hostname));
1072 
1073  /*
1074   * Get the hostname and port number we are connected to...
1075   */
1076 
1077   httpGetHostname(http, http_hostname, sizeof(http_hostname));
1078   http_port = httpAddrPort(http->hostaddr);
1079 
1080   DEBUG_printf(("2cupsGetPPD3: Connection hostname=\"%s\", port=%d",
1081                 http_hostname, http_port));
1082 
1083  /*
1084   * Reconnect to the correct server as needed...
1085   */
1086 
1087   if (!_cups_strcasecmp(http_hostname, hostname) && port == http_port)
1088     http2 = http;
1089   else if ((http2 = httpConnect2(hostname, port, NULL, AF_UNSPEC,
1090 				 cupsEncryption(), 1, 30000, NULL)) == NULL)
1091   {
1092     DEBUG_puts("1cupsGetPPD3: Unable to connect to server");
1093 
1094     return (HTTP_STATUS_SERVICE_UNAVAILABLE);
1095   }
1096 
1097  /*
1098   * Get a temp file...
1099   */
1100 
1101   if (buffer[0])
1102     fd = open(buffer, O_CREAT | O_TRUNC | O_WRONLY, 0600);
1103   else
1104     fd = cupsTempFd(tempfile, sizeof(tempfile));
1105 
1106   if (fd < 0)
1107   {
1108    /*
1109     * Can't open file; close the server connection and return NULL...
1110     */
1111 
1112     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0);
1113 
1114     if (http2 != http)
1115       httpClose(http2);
1116 
1117     return (HTTP_STATUS_SERVER_ERROR);
1118   }
1119 
1120  /*
1121   * And send a request to the HTTP server...
1122   */
1123 
1124   strlcat(resource, ".ppd", sizeof(resource));
1125 
1126   if (*modtime > 0)
1127     httpSetField(http2, HTTP_FIELD_IF_MODIFIED_SINCE,
1128                  httpGetDateString(*modtime));
1129 
1130   status = cupsGetFd(http2, resource, fd);
1131 
1132   close(fd);
1133 
1134  /*
1135   * See if we actually got the file or an error...
1136   */
1137 
1138   if (status == HTTP_STATUS_OK)
1139   {
1140     *modtime = httpGetDateTime(httpGetField(http2, HTTP_FIELD_DATE));
1141 
1142     if (tempfile[0])
1143       strlcpy(buffer, tempfile, bufsize);
1144   }
1145   else if (status != HTTP_STATUS_NOT_MODIFIED)
1146   {
1147     _cupsSetHTTPError(status);
1148 
1149     if (buffer[0])
1150       unlink(buffer);
1151     else if (tempfile[0])
1152       unlink(tempfile);
1153   }
1154   else if (tempfile[0])
1155     unlink(tempfile);
1156 
1157   if (http2 != http)
1158     httpClose(http2);
1159 
1160  /*
1161   * Return the PPD file...
1162   */
1163 
1164   DEBUG_printf(("1cupsGetPPD3: Returning status %d", status));
1165 
1166   return (status);
1167 }
1168 
1169 
1170 /*
1171  * 'cupsGetPrinters()' - Get a list of printers from the default server.
1172  *
1173  * This function is deprecated - use @link cupsGetDests@ instead.
1174  *
1175  * @deprecated@
1176  */
1177 
1178 int					/* O - Number of printers */
cupsGetPrinters(char *** printers)1179 cupsGetPrinters(char ***printers)	/* O - Printers */
1180 {
1181   int		n;			/* Number of printers */
1182   ipp_t		*request,		/* IPP Request */
1183 		*response;		/* IPP Response */
1184   ipp_attribute_t *attr;		/* Current attribute */
1185   char		**temp;			/* Temporary pointer */
1186   http_t	*http;			/* Connection to server */
1187 
1188 
1189  /*
1190   * Range check input...
1191   */
1192 
1193   if (!printers)
1194   {
1195     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
1196 
1197     return (0);
1198   }
1199 
1200   *printers = NULL;
1201 
1202  /*
1203   * Try to connect to the server...
1204   */
1205 
1206   if ((http = _cupsConnect()) == NULL)
1207     return (0);
1208 
1209  /*
1210   * Build a CUPS_GET_PRINTERS request, which requires the following
1211   * attributes:
1212   *
1213   *    attributes-charset
1214   *    attributes-natural-language
1215   *    requested-attributes
1216   */
1217 
1218   request = ippNewRequest(IPP_OP_CUPS_GET_PRINTERS);
1219 
1220   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
1221                "requested-attributes", NULL, "printer-name");
1222 
1223   ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_ENUM,
1224                 "printer-type", 0);
1225 
1226   ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_ENUM,
1227                 "printer-type-mask", CUPS_PRINTER_CLASS);
1228 
1229  /*
1230   * Do the request and get back a response...
1231   */
1232 
1233   n = 0;
1234 
1235   if ((response = cupsDoRequest(http, request, "/")) != NULL)
1236   {
1237     for (attr = response->attrs; attr != NULL; attr = attr->next)
1238       if (attr->name != NULL &&
1239           _cups_strcasecmp(attr->name, "printer-name") == 0 &&
1240           attr->value_tag == IPP_TAG_NAME)
1241       {
1242         if (n == 0)
1243 	  temp = malloc(sizeof(char *));
1244 	else
1245 	  temp = realloc(*printers, sizeof(char *) * (n + 1));
1246 
1247 	if (temp == NULL)
1248 	{
1249 	 /*
1250 	  * Ran out of memory!
1251 	  */
1252 
1253 	  while (n > 0)
1254 	  {
1255 	    n --;
1256 	    free((*printers)[n]);
1257 	  }
1258 
1259 	  free(*printers);
1260 	  ippDelete(response);
1261 	  return (0);
1262 	}
1263 
1264         *printers = temp;
1265         temp[n]   = strdup(attr->values[0].string.text);
1266 	n ++;
1267       }
1268 
1269     ippDelete(response);
1270   }
1271 
1272   return (n);
1273 }
1274 
1275 
1276 /*
1277  * 'cupsGetServerPPD()' - Get an available PPD file from the server.
1278  *
1279  * This function returns the named PPD file from the server.  The
1280  * list of available PPDs is provided by the IPP @code CUPS_GET_PPDS@
1281  * operation.
1282  *
1283  * You must remove (unlink) the PPD file when you are finished with
1284  * it. The PPD filename is stored in a static location that will be
1285  * overwritten on the next call to @link cupsGetPPD@, @link cupsGetPPD2@,
1286  * or @link cupsGetServerPPD@.
1287  *
1288  * @since CUPS 1.3/OS X 10.5@
1289  */
1290 
1291 char *					/* O - Name of PPD file or @code NULL@ on error */
cupsGetServerPPD(http_t * http,const char * name)1292 cupsGetServerPPD(http_t     *http,	/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
1293                  const char *name)	/* I - Name of PPD file ("ppd-name") */
1294 {
1295   int			fd;		/* PPD file descriptor */
1296   ipp_t			*request;	/* IPP request */
1297   _cups_globals_t	*cg = _cupsGlobals();
1298 					/* Pointer to library globals */
1299 
1300 
1301  /*
1302   * Range check input...
1303   */
1304 
1305   if (!name)
1306   {
1307     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No PPD name"), 1);
1308 
1309     return (NULL);
1310   }
1311 
1312   if (!http)
1313     if ((http = _cupsConnect()) == NULL)
1314       return (NULL);
1315 
1316  /*
1317   * Get a temp file...
1318   */
1319 
1320   if ((fd = cupsTempFd(cg->ppd_filename, sizeof(cg->ppd_filename))) < 0)
1321   {
1322    /*
1323     * Can't open file; close the server connection and return NULL...
1324     */
1325 
1326     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0);
1327 
1328     return (NULL);
1329   }
1330 
1331  /*
1332   * Get the PPD file...
1333   */
1334 
1335   request = ippNewRequest(IPP_OP_CUPS_GET_PPD);
1336   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "ppd-name", NULL,
1337                name);
1338 
1339   ippDelete(cupsDoIORequest(http, request, "/", -1, fd));
1340 
1341   close(fd);
1342 
1343   if (cupsLastError() != IPP_STATUS_OK)
1344   {
1345     unlink(cg->ppd_filename);
1346     return (NULL);
1347   }
1348   else
1349     return (cg->ppd_filename);
1350 }
1351 
1352 
1353 /*
1354  * 'cupsPrintFile()' - Print a file to a printer or class on the default server.
1355  */
1356 
1357 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)1358 cupsPrintFile(const char    *name,	/* I - Destination name */
1359               const char    *filename,	/* I - File to print */
1360 	      const char    *title,	/* I - Title of job */
1361               int           num_options,/* I - Number of options */
1362 	      cups_option_t *options)	/* I - Options */
1363 {
1364   DEBUG_printf(("cupsPrintFile(name=\"%s\", filename=\"%s\", "
1365                 "title=\"%s\", num_options=%d, options=%p)",
1366                 name, filename, title, num_options, options));
1367 
1368   return (cupsPrintFiles2(CUPS_HTTP_DEFAULT, name, 1, &filename, title,
1369                           num_options, options));
1370 }
1371 
1372 
1373 /*
1374  * 'cupsPrintFile2()' - Print a file to a printer or class on the specified
1375  *                      server.
1376  *
1377  * @since CUPS 1.1.21/OS X 10.4@
1378  */
1379 
1380 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)1381 cupsPrintFile2(
1382     http_t        *http,		/* I - Connection to server */
1383     const char    *name,		/* I - Destination name */
1384     const char    *filename,		/* I - File to print */
1385     const char    *title,		/* I - Title of job */
1386     int           num_options,		/* I - Number of options */
1387     cups_option_t *options)		/* I - Options */
1388 {
1389   DEBUG_printf(("cupsPrintFile2(http=%p, name=\"%s\", filename=\"%s\", "
1390                 "title=\"%s\", num_options=%d, options=%p)",
1391                 http, name, filename, title, num_options, options));
1392 
1393   return (cupsPrintFiles2(http, name, 1, &filename, title, num_options,
1394                           options));
1395 }
1396 
1397 
1398 /*
1399  * 'cupsPrintFiles()' - Print one or more files to a printer or class on the
1400  *                      default server.
1401  */
1402 
1403 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)1404 cupsPrintFiles(
1405     const char    *name,		/* I - Destination name */
1406     int           num_files,		/* I - Number of files */
1407     const char    **files,		/* I - File(s) to print */
1408     const char    *title,		/* I - Title of job */
1409     int           num_options,		/* I - Number of options */
1410     cups_option_t *options)		/* I - Options */
1411 {
1412   DEBUG_printf(("cupsPrintFiles(name=\"%s\", num_files=%d, "
1413                 "files=%p, title=\"%s\", num_options=%d, options=%p)",
1414                 name, num_files, files, title, num_options, options));
1415 
1416  /*
1417   * Print the file(s)...
1418   */
1419 
1420   return (cupsPrintFiles2(CUPS_HTTP_DEFAULT, name, num_files, files, title,
1421                           num_options, options));
1422 }
1423 
1424 
1425 /*
1426  * 'cupsPrintFiles2()' - Print one or more files to a printer or class on the
1427  *                       specified server.
1428  *
1429  * @since CUPS 1.1.21/OS X 10.4@
1430  */
1431 
1432 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)1433 cupsPrintFiles2(
1434     http_t        *http,		/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
1435     const char    *name,		/* I - Destination name */
1436     int           num_files,		/* I - Number of files */
1437     const char    **files,		/* I - File(s) to print */
1438     const char    *title,		/* I - Title of job */
1439     int           num_options,		/* I - Number of options */
1440     cups_option_t *options)		/* I - Options */
1441 {
1442   int		i;			/* Looping var */
1443   int		job_id;			/* New job ID */
1444   const char	*docname;		/* Basename of current filename */
1445   const char	*format;		/* Document format */
1446   cups_file_t	*fp;			/* Current file */
1447   char		buffer[8192];		/* Copy buffer */
1448   ssize_t	bytes;			/* Bytes in buffer */
1449   http_status_t	status;			/* Status of write */
1450   _cups_globals_t *cg = _cupsGlobals();	/* Global data */
1451   ipp_status_t	cancel_status;		/* Status code to preserve */
1452   char		*cancel_message;	/* Error message to preserve */
1453 
1454 
1455   DEBUG_printf(("cupsPrintFiles2(http=%p, name=\"%s\", num_files=%d, "
1456                 "files=%p, title=\"%s\", num_options=%d, options=%p)",
1457                 http, name, num_files, files, title, num_options, options));
1458 
1459  /*
1460   * Range check input...
1461   */
1462 
1463   if (!name || num_files < 1 || !files)
1464   {
1465     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
1466 
1467     return (0);
1468   }
1469 
1470  /*
1471   * Create the print job...
1472   */
1473 
1474   if ((job_id = cupsCreateJob(http, name, title, num_options, options)) == 0)
1475     return (0);
1476 
1477  /*
1478   * Send each of the files...
1479   */
1480 
1481   if (cupsGetOption("raw", num_options, options))
1482     format = CUPS_FORMAT_RAW;
1483   else if ((format = cupsGetOption("document-format", num_options,
1484 				   options)) == NULL)
1485     format = CUPS_FORMAT_AUTO;
1486 
1487   for (i = 0; i < num_files; i ++)
1488   {
1489    /*
1490     * Start the next file...
1491     */
1492 
1493     if ((docname = strrchr(files[i], '/')) != NULL)
1494       docname ++;
1495     else
1496       docname = files[i];
1497 
1498     if ((fp = cupsFileOpen(files[i], "rb")) == NULL)
1499     {
1500      /*
1501       * Unable to open print file, cancel the job and return...
1502       */
1503 
1504       _cupsSetError(IPP_STATUS_ERROR_DOCUMENT_ACCESS, NULL, 0);
1505       goto cancel_job;
1506     }
1507 
1508     status = cupsStartDocument(http, name, job_id, docname, format,
1509 			       i == (num_files - 1));
1510 
1511     while (status == HTTP_STATUS_CONTINUE &&
1512 	   (bytes = cupsFileRead(fp, buffer, sizeof(buffer))) > 0)
1513       status = cupsWriteRequestData(http, buffer, bytes);
1514 
1515     cupsFileClose(fp);
1516 
1517     if (status != HTTP_STATUS_CONTINUE || cupsFinishDocument(http, name) != IPP_STATUS_OK)
1518     {
1519      /*
1520       * Unable to queue, cancel the job and return...
1521       */
1522 
1523       goto cancel_job;
1524     }
1525   }
1526 
1527   return (job_id);
1528 
1529  /*
1530   * If we get here, something happened while sending the print job so we need
1531   * to cancel the job without setting the last error (since we need to preserve
1532   * the current error...
1533   */
1534 
1535   cancel_job:
1536 
1537   cancel_status  = cg->last_error;
1538   cancel_message = cg->last_status_message ?
1539                        _cupsStrRetain(cg->last_status_message) : NULL;
1540 
1541   cupsCancelJob2(http, name, job_id, 0);
1542 
1543   cg->last_error          = cancel_status;
1544   cg->last_status_message = cancel_message;
1545 
1546   return (0);
1547 }
1548 
1549 
1550 /*
1551  * 'cupsStartDocument()' - Add a document to a job created with cupsCreateJob().
1552  *
1553  * Use @link cupsWriteRequestData@ to write data for the document and
1554  * @link cupsFinishDocument@ to finish the document and get the submission status.
1555  *
1556  * The MIME type constants @code CUPS_FORMAT_AUTO@, @code CUPS_FORMAT_PDF@,
1557  * @code CUPS_FORMAT_POSTSCRIPT@, @code CUPS_FORMAT_RAW@, and
1558  * @code CUPS_FORMAT_TEXT@ are provided for the "format" argument, although
1559  * any supported MIME type string can be supplied.
1560  *
1561  * @since CUPS 1.4/OS X 10.6@
1562  */
1563 
1564 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)1565 cupsStartDocument(
1566     http_t     *http,			/* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
1567     const char *name,			/* I - Destination name */
1568     int        job_id,			/* I - Job ID from @link cupsCreateJob@ */
1569     const char *docname,		/* I - Name of document */
1570     const char *format,			/* I - MIME type or @code CUPS_FORMAT_foo@ */
1571     int        last_document)		/* I - 1 for last document in job, 0 otherwise */
1572 {
1573   char		resource[1024],		/* Resource for destinatio */
1574 		printer_uri[1024];	/* Printer URI */
1575   ipp_t		*request;		/* Send-Document request */
1576   http_status_t	status;			/* HTTP status */
1577 
1578 
1579  /*
1580   * Create a Send-Document request...
1581   */
1582 
1583   if ((request = ippNewRequest(IPP_OP_SEND_DOCUMENT)) == NULL)
1584   {
1585     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(ENOMEM), 0);
1586     return (HTTP_STATUS_ERROR);
1587   }
1588 
1589   httpAssembleURIf(HTTP_URI_CODING_ALL, printer_uri, sizeof(printer_uri), "ipp",
1590                    NULL, "localhost", ippPort(), "/printers/%s", name);
1591   snprintf(resource, sizeof(resource), "/printers/%s", name);
1592 
1593   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
1594                NULL, printer_uri);
1595   ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", job_id);
1596   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
1597                NULL, cupsUser());
1598   if (docname)
1599     ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "document-name",
1600                  NULL, docname);
1601   if (format)
1602     ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
1603                  "document-format", NULL, format);
1604   ippAddBoolean(request, IPP_TAG_OPERATION, "last-document", last_document);
1605 
1606  /*
1607   * Send and delete the request, then return the status...
1608   */
1609 
1610   status = cupsSendRequest(http, request, resource, CUPS_LENGTH_VARIABLE);
1611 
1612   ippDelete(request);
1613 
1614   return (status);
1615 }
1616 
1617 
1618 /*
1619  * 'cups_get_printer_uri()' - Get the printer-uri-supported attribute for the
1620  *                            first printer in a class.
1621  */
1622 
1623 static int				/* O - 1 on success, 0 on failure */
cups_get_printer_uri(http_t * http,const char * name,char * host,int hostsize,int * port,char * resource,int resourcesize,int depth)1624 cups_get_printer_uri(
1625     http_t     *http,			/* I - Connection to server */
1626     const char *name,			/* I - Name of printer or class */
1627     char       *host,			/* I - Hostname buffer */
1628     int        hostsize,		/* I - Size of hostname buffer */
1629     int        *port,			/* O - Port number */
1630     char       *resource,		/* I - Resource buffer */
1631     int        resourcesize,		/* I - Size of resource buffer */
1632     int        depth)			/* I - Depth of query */
1633 {
1634   int		i;			/* Looping var */
1635   int		http_port;		/* Port number */
1636   http_t	*http2;			/* Alternate HTTP connection */
1637   ipp_t		*request,		/* IPP request */
1638 		*response;		/* IPP response */
1639   ipp_attribute_t *attr;		/* Current attribute */
1640   char		uri[HTTP_MAX_URI],	/* printer-uri attribute */
1641 		scheme[HTTP_MAX_URI],	/* Scheme name */
1642 		username[HTTP_MAX_URI],	/* Username:password */
1643 		classname[255],		/* Temporary class name */
1644 		http_hostname[HTTP_MAX_HOST];
1645 					/* Hostname associated with connection */
1646   static const char * const requested_attrs[] =
1647 		{			/* Requested attributes */
1648 		  "device-uri",
1649 		  "member-uris",
1650 		  "printer-uri-supported",
1651 		  "printer-type"
1652 		};
1653 
1654 
1655   DEBUG_printf(("7cups_get_printer_uri(http=%p, name=\"%s\", host=%p, "
1656                 "hostsize=%d, resource=%p, resourcesize=%d, depth=%d)",
1657 		http, name, host, hostsize, resource, resourcesize, depth));
1658 
1659  /*
1660   * Setup the printer URI...
1661   */
1662 
1663   if (httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
1664                        "localhost", 0, "/printers/%s",
1665                        name) < HTTP_URI_STATUS_OK)
1666   {
1667     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unable to create printer-uri"),
1668                   1);
1669 
1670     *host     = '\0';
1671     *resource = '\0';
1672 
1673     return (0);
1674   }
1675 
1676   DEBUG_printf(("9cups_get_printer_uri: printer-uri=\"%s\"", uri));
1677 
1678  /*
1679   * Get the hostname and port number we are connected to...
1680   */
1681 
1682   httpGetHostname(http, http_hostname, sizeof(http_hostname));
1683   http_port = httpAddrPort(http->hostaddr);
1684 
1685  /*
1686   * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following
1687   * attributes:
1688   *
1689   *    attributes-charset
1690   *    attributes-natural-language
1691   *    printer-uri
1692   *    requested-attributes
1693   */
1694 
1695   request = ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES);
1696 
1697   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
1698                NULL, uri);
1699 
1700   ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1701                 "requested-attributes",
1702 		sizeof(requested_attrs) / sizeof(requested_attrs[0]),
1703 		NULL, requested_attrs);
1704 
1705  /*
1706   * Do the request and get back a response...
1707   */
1708 
1709   snprintf(resource, resourcesize, "/printers/%s", name);
1710 
1711   if ((response = cupsDoRequest(http, request, resource)) != NULL)
1712   {
1713     const char *device_uri = NULL;	/* device-uri value */
1714 
1715     if ((attr = ippFindAttribute(response, "device-uri",
1716                                  IPP_TAG_URI)) != NULL)
1717       device_uri = attr->values[0].string.text;
1718 
1719     if (device_uri &&
1720         (!strncmp(device_uri, "ipp://", 6) ||
1721          !strncmp(device_uri, "ipps://", 7) ||
1722          ((strstr(device_uri, "._ipp.") != NULL ||
1723            strstr(device_uri, "._ipps.") != NULL) &&
1724           !strcmp(device_uri + strlen(device_uri) - 5, "/cups"))))
1725     {
1726      /*
1727       * Statically-configured shared printer.
1728       */
1729 
1730       httpSeparateURI(HTTP_URI_CODING_ALL,
1731                       _httpResolveURI(device_uri, uri, sizeof(uri),
1732                                       _HTTP_RESOLVE_DEFAULT, NULL, NULL),
1733                       scheme, sizeof(scheme), username, sizeof(username),
1734 		      host, hostsize, port, resource, resourcesize);
1735       ippDelete(response);
1736 
1737       return (1);
1738     }
1739     else if ((attr = ippFindAttribute(response, "member-uris",
1740                                       IPP_TAG_URI)) != NULL)
1741     {
1742      /*
1743       * Get the first actual printer name in the class...
1744       */
1745 
1746       for (i = 0; i < attr->num_values; i ++)
1747       {
1748 	httpSeparateURI(HTTP_URI_CODING_ALL, attr->values[i].string.text,
1749 	                scheme, sizeof(scheme), username, sizeof(username),
1750 			host, hostsize, port, resource, resourcesize);
1751 	if (!strncmp(resource, "/printers/", 10))
1752 	{
1753 	 /*
1754 	  * Found a printer!
1755 	  */
1756 
1757           ippDelete(response);
1758 
1759 	  return (1);
1760 	}
1761       }
1762 
1763      /*
1764       * No printers in this class - try recursively looking for a printer,
1765       * but not more than 3 levels deep...
1766       */
1767 
1768       if (depth < 3)
1769       {
1770 	for (i = 0; i < attr->num_values; i ++)
1771 	{
1772 	  httpSeparateURI(HTTP_URI_CODING_ALL, attr->values[i].string.text,
1773 	                  scheme, sizeof(scheme), username, sizeof(username),
1774 			  host, hostsize, port, resource, resourcesize);
1775 	  if (!strncmp(resource, "/classes/", 9))
1776 	  {
1777 	   /*
1778 	    * Found a class!  Connect to the right server...
1779 	    */
1780 
1781 	    if (!_cups_strcasecmp(http_hostname, host) && *port == http_port)
1782 	      http2 = http;
1783 	    else if ((http2 = httpConnect2(host, *port, NULL, AF_UNSPEC,
1784 					   cupsEncryption(), 1, 30000,
1785 					   NULL)) == NULL)
1786 	    {
1787 	      DEBUG_puts("8cups_get_printer_uri: Unable to connect to server");
1788 
1789 	      continue;
1790 	    }
1791 
1792            /*
1793 	    * Look up printers on that server...
1794 	    */
1795 
1796             strlcpy(classname, resource + 9, sizeof(classname));
1797 
1798             cups_get_printer_uri(http2, classname, host, hostsize, port,
1799 	                         resource, resourcesize, depth + 1);
1800 
1801            /*
1802 	    * Close the connection as needed...
1803 	    */
1804 
1805 	    if (http2 != http)
1806 	      httpClose(http2);
1807 
1808             if (*host)
1809 	      return (1);
1810 	  }
1811 	}
1812       }
1813     }
1814     else if ((attr = ippFindAttribute(response, "printer-uri-supported",
1815                                       IPP_TAG_URI)) != NULL)
1816     {
1817       httpSeparateURI(HTTP_URI_CODING_ALL,
1818                       _httpResolveURI(attr->values[0].string.text, uri,
1819 		                      sizeof(uri), _HTTP_RESOLVE_DEFAULT,
1820 				      NULL, NULL),
1821                       scheme, sizeof(scheme), username, sizeof(username),
1822 		      host, hostsize, port, resource, resourcesize);
1823       ippDelete(response);
1824 
1825       if (!strncmp(resource, "/classes/", 9))
1826       {
1827         _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
1828 	              _("No printer-uri found for class"), 1);
1829 
1830 	*host     = '\0';
1831 	*resource = '\0';
1832 
1833 	return (0);
1834       }
1835 
1836       return (1);
1837     }
1838 
1839     ippDelete(response);
1840   }
1841 
1842   if (cupsLastError() != IPP_STATUS_ERROR_NOT_FOUND)
1843     _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No printer-uri found"), 1);
1844 
1845   *host     = '\0';
1846   *resource = '\0';
1847 
1848   return (0);
1849 }
1850 
1851 
1852 /*
1853  * End of "$Id: util.c 10996 2013-05-29 11:51:34Z msweet $".
1854  */
1855