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      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 */
     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 */
     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 */
    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 */
    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
    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 */
    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@ */
    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@ */
    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 */
    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 */
    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 */
    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 */
    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 */
    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 */
    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 */
    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 */
    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 */
    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