/* * Printing utilities for CUPS. * * Copyright © 2007-2018 by Apple Inc. * Copyright © 1997-2006 by Easy Software Products. * * These coded instructions, statements, and computer programs are the * property of Apple Inc. and are protected by Federal copyright * law. Distribution and use rights are outlined in the file "LICENSE.txt" * which should have been included with this file. If this file is * missing or damaged, see the license at "http://www.cups.org/". * * This file is subject to the Apple OS-Developed Software exception. */ /* * Include necessary headers... */ #include "cups-private.h" #include #include #if defined(_WIN32) || defined(__EMX__) # include #else # include #endif /* _WIN32 || __EMX__ */ /* * 'cupsCancelJob()' - Cancel a print job on the default server. * * Pass @code CUPS_JOBID_ALL@ to cancel all jobs or @code CUPS_JOBID_CURRENT@ * to cancel the current job on the named destination. * * Use the @link cupsLastError@ and @link cupsLastErrorString@ functions to get * the cause of any failure. * * @exclude all@ */ int /* O - 1 on success, 0 on failure */ cupsCancelJob(const char *name, /* I - Name of printer or class */ int job_id) /* I - Job ID, @code CUPS_JOBID_CURRENT@ for the current job, or @code CUPS_JOBID_ALL@ for all jobs */ { return (cupsCancelJob2(CUPS_HTTP_DEFAULT, name, job_id, 0) < IPP_STATUS_REDIRECTION_OTHER_SITE); } /* * 'cupsCancelJob2()' - Cancel or purge a print job. * * Canceled jobs remain in the job history while purged jobs are removed * from the job history. * * Pass @code CUPS_JOBID_ALL@ to cancel all jobs or @code CUPS_JOBID_CURRENT@ * to cancel the current job on the named destination. * * Use the @link cupsLastError@ and @link cupsLastErrorString@ functions to get * the cause of any failure. * * @since CUPS 1.4/macOS 10.6@ @exclude all@ */ ipp_status_t /* O - IPP status */ cupsCancelJob2(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ const char *name, /* I - Name of printer or class */ int job_id, /* I - Job ID, @code CUPS_JOBID_CURRENT@ for the current job, or @code CUPS_JOBID_ALL@ for all jobs */ int purge) /* I - 1 to purge, 0 to cancel */ { char uri[HTTP_MAX_URI]; /* Job/printer URI */ ipp_t *request; /* IPP request */ /* * Range check input... */ if (job_id < -1 || (!name && job_id == 0)) { _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0); return (0); } /* * Connect to the default server as needed... */ if (!http) if ((http = _cupsConnect()) == NULL) return (IPP_STATUS_ERROR_SERVICE_UNAVAILABLE); /* * Build an IPP_CANCEL_JOB or IPP_PURGE_JOBS request, which requires the following * attributes: * * attributes-charset * attributes-natural-language * job-uri or printer-uri + job-id * requesting-user-name * [purge-job] or [purge-jobs] */ request = ippNewRequest(job_id < 0 ? IPP_OP_PURGE_JOBS : IPP_OP_CANCEL_JOB); if (name) { httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL, "localhost", ippPort(), "/printers/%s", name); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri); ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", job_id); } else if (job_id > 0) { snprintf(uri, sizeof(uri), "ipp://localhost/jobs/%d", job_id); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri); } ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsUser()); if (purge && job_id >= 0) ippAddBoolean(request, IPP_TAG_OPERATION, "purge-job", 1); else if (!purge && job_id < 0) ippAddBoolean(request, IPP_TAG_OPERATION, "purge-jobs", 0); /* * Do the request... */ ippDelete(cupsDoRequest(http, request, "/jobs/")); return (cupsLastError()); } /* * 'cupsCreateJob()' - Create an empty job for streaming. * * Use this function when you want to stream print data using the * @link cupsStartDocument@, @link cupsWriteRequestData@, and * @link cupsFinishDocument@ functions. If you have one or more files to * print, use the @link cupsPrintFile2@ or @link cupsPrintFiles2@ function * instead. * * @since CUPS 1.4/macOS 10.6@ @exclude all@ */ int /* O - Job ID or 0 on error */ cupsCreateJob( http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ const char *name, /* I - Destination name */ const char *title, /* I - Title of job */ int num_options, /* I - Number of options */ cups_option_t *options) /* I - Options */ { int job_id = 0; /* job-id value */ ipp_status_t status; /* Create-Job status */ cups_dest_t *dest; /* Destination */ cups_dinfo_t *info; /* Destination information */ DEBUG_printf(("cupsCreateJob(http=%p, name=\"%s\", title=\"%s\", num_options=%d, options=%p)", (void *)http, name, title, num_options, (void *)options)); /* * Range check input... */ if (!name) { _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0); return (0); } /* * Lookup the destination... */ if ((dest = cupsGetNamedDest(http, name, NULL)) == NULL) { DEBUG_puts("1cupsCreateJob: Destination not found."); _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(ENOENT), 0); return (0); } /* * Query dest information and create the job... */ DEBUG_puts("1cupsCreateJob: Querying destination info."); if ((info = cupsCopyDestInfo(http, dest)) == NULL) { DEBUG_puts("1cupsCreateJob: Query failed."); cupsFreeDests(1, dest); return (0); } status = cupsCreateDestJob(http, dest, info, &job_id, title, num_options, options); DEBUG_printf(("1cupsCreateJob: cupsCreateDestJob returned %04x (%s)", status, ippErrorString(status))); cupsFreeDestInfo(info); cupsFreeDests(1, dest); /* * Return the job... */ if (status >= IPP_STATUS_REDIRECTION_OTHER_SITE) return (0); else return (job_id); } /* * 'cupsFinishDocument()' - Finish sending a document. * * The document must have been started using @link cupsStartDocument@. * * @since CUPS 1.4/macOS 10.6@ @exclude all@ */ ipp_status_t /* O - Status of document submission */ cupsFinishDocument(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ const char *name) /* I - Destination name */ { char resource[1024]; /* Printer resource */ snprintf(resource, sizeof(resource), "/printers/%s", name); ippDelete(cupsGetResponse(http, resource)); return (cupsLastError()); } /* * 'cupsFreeJobs()' - Free memory used by job data. */ void cupsFreeJobs(int num_jobs, /* I - Number of jobs */ cups_job_t *jobs) /* I - Jobs */ { int i; /* Looping var */ cups_job_t *job; /* Current job */ if (num_jobs <= 0 || !jobs) return; for (i = num_jobs, job = jobs; i > 0; i --, job ++) { _cupsStrFree(job->dest); _cupsStrFree(job->user); _cupsStrFree(job->format); _cupsStrFree(job->title); } free(jobs); } /* * 'cupsGetClasses()' - Get a list of printer classes from the default server. * * This function is deprecated and no longer returns a list of printer * classes - use @link cupsGetDests@ instead. * * @deprecated@ @exclude all@ */ int /* O - Number of classes */ cupsGetClasses(char ***classes) /* O - Classes */ { if (classes) *classes = NULL; return (0); } /* * 'cupsGetDefault()' - Get the default printer or class for the default server. * * This function returns the default printer or class as defined by * the LPDEST or PRINTER environment variables. If these environment * variables are not set, the server default destination is returned. * Applications should use the @link cupsGetDests@ and @link cupsGetDest@ * functions to get the user-defined default printer, as this function does * not support the lpoptions-defined default printer. * * @exclude all@ */ const char * /* O - Default printer or @code NULL@ */ cupsGetDefault(void) { /* * Return the default printer... */ return (cupsGetDefault2(CUPS_HTTP_DEFAULT)); } /* * 'cupsGetDefault2()' - Get the default printer or class for the specified server. * * This function returns the default printer or class as defined by * the LPDEST or PRINTER environment variables. If these environment * variables are not set, the server default destination is returned. * Applications should use the @link cupsGetDests@ and @link cupsGetDest@ * functions to get the user-defined default printer, as this function does * not support the lpoptions-defined default printer. * * @since CUPS 1.1.21/macOS 10.4@ @exclude all@ */ const char * /* O - Default printer or @code NULL@ */ cupsGetDefault2(http_t *http) /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ { ipp_t *request, /* IPP Request */ *response; /* IPP Response */ ipp_attribute_t *attr; /* Current attribute */ _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ /* * See if we have a user default printer set... */ if (_cupsUserDefault(cg->def_printer, sizeof(cg->def_printer))) return (cg->def_printer); /* * Connect to the server as needed... */ if (!http) if ((http = _cupsConnect()) == NULL) return (NULL); /* * Build a CUPS_GET_DEFAULT request, which requires the following * attributes: * * attributes-charset * attributes-natural-language */ request = ippNewRequest(IPP_OP_CUPS_GET_DEFAULT); /* * Do the request and get back a response... */ if ((response = cupsDoRequest(http, request, "/")) != NULL) { if ((attr = ippFindAttribute(response, "printer-name", IPP_TAG_NAME)) != NULL) { strlcpy(cg->def_printer, attr->values[0].string.text, sizeof(cg->def_printer)); ippDelete(response); return (cg->def_printer); } ippDelete(response); } return (NULL); } /* * 'cupsGetJobs()' - Get the jobs from the default server. * * A "whichjobs" value of @code CUPS_WHICHJOBS_ALL@ returns all jobs regardless * of state, while @code CUPS_WHICHJOBS_ACTIVE@ returns jobs that are * pending, processing, or held and @code CUPS_WHICHJOBS_COMPLETED@ returns * jobs that are stopped, canceled, aborted, or completed. * * @exclude all@ */ int /* O - Number of jobs */ cupsGetJobs(cups_job_t **jobs, /* O - Job data */ const char *name, /* I - @code NULL@ = all destinations, otherwise show jobs for named destination */ int myjobs, /* I - 0 = all users, 1 = mine */ int whichjobs) /* I - @code CUPS_WHICHJOBS_ALL@, @code CUPS_WHICHJOBS_ACTIVE@, or @code CUPS_WHICHJOBS_COMPLETED@ */ { /* * Return the jobs... */ return (cupsGetJobs2(CUPS_HTTP_DEFAULT, jobs, name, myjobs, whichjobs)); } /* * 'cupsGetJobs2()' - Get the jobs from the specified server. * * A "whichjobs" value of @code CUPS_WHICHJOBS_ALL@ returns all jobs regardless * of state, while @code CUPS_WHICHJOBS_ACTIVE@ returns jobs that are * pending, processing, or held and @code CUPS_WHICHJOBS_COMPLETED@ returns * jobs that are stopped, canceled, aborted, or completed. * * @since CUPS 1.1.21/macOS 10.4@ */ int /* O - Number of jobs */ cupsGetJobs2(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ cups_job_t **jobs, /* O - Job data */ const char *name, /* I - @code NULL@ = all destinations, otherwise show jobs for named destination */ int myjobs, /* I - 0 = all users, 1 = mine */ int whichjobs) /* I - @code CUPS_WHICHJOBS_ALL@, @code CUPS_WHICHJOBS_ACTIVE@, or @code CUPS_WHICHJOBS_COMPLETED@ */ { int n; /* Number of jobs */ ipp_t *request, /* IPP Request */ *response; /* IPP Response */ ipp_attribute_t *attr; /* Current attribute */ cups_job_t *temp; /* Temporary pointer */ int id, /* job-id */ priority, /* job-priority */ size; /* job-k-octets */ ipp_jstate_t state; /* job-state */ time_t completed_time, /* time-at-completed */ creation_time, /* time-at-creation */ processing_time; /* time-at-processing */ const char *dest, /* job-printer-uri */ *format, /* document-format */ *title, /* job-name */ *user; /* job-originating-user-name */ char uri[HTTP_MAX_URI]; /* URI for jobs */ _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ static const char * const attrs[] = /* Requested attributes */ { "document-format", "job-id", "job-k-octets", "job-name", "job-originating-user-name", "job-printer-uri", "job-priority", "job-state", "time-at-completed", "time-at-creation", "time-at-processing" }; /* * Range check input... */ if (!jobs) { _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0); return (-1); } /* * Get the right URI... */ if (name) { if (httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL, "localhost", 0, "/printers/%s", name) < HTTP_URI_STATUS_OK) { _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unable to create printer-uri"), 1); return (-1); } } else strlcpy(uri, "ipp://localhost/", sizeof(uri)); if (!http) if ((http = _cupsConnect()) == NULL) return (-1); /* * Build an IPP_GET_JOBS request, which requires the following * attributes: * * attributes-charset * attributes-natural-language * printer-uri * requesting-user-name * which-jobs * my-jobs * requested-attributes */ request = ippNewRequest(IPP_OP_GET_JOBS); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsUser()); if (myjobs) ippAddBoolean(request, IPP_TAG_OPERATION, "my-jobs", 1); if (whichjobs == CUPS_WHICHJOBS_COMPLETED) ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "which-jobs", NULL, "completed"); else if (whichjobs == CUPS_WHICHJOBS_ALL) ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "which-jobs", NULL, "all"); ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "requested-attributes", sizeof(attrs) / sizeof(attrs[0]), NULL, attrs); /* * Do the request and get back a response... */ n = 0; *jobs = NULL; if ((response = cupsDoRequest(http, request, "/")) != NULL) { for (attr = response->attrs; attr; attr = attr->next) { /* * Skip leading attributes until we hit a job... */ while (attr && attr->group_tag != IPP_TAG_JOB) attr = attr->next; if (!attr) break; /* * Pull the needed attributes from this job... */ id = 0; size = 0; priority = 50; state = IPP_JSTATE_PENDING; user = "unknown"; dest = NULL; format = "application/octet-stream"; title = "untitled"; creation_time = 0; completed_time = 0; processing_time = 0; while (attr && attr->group_tag == IPP_TAG_JOB) { if (!strcmp(attr->name, "job-id") && attr->value_tag == IPP_TAG_INTEGER) id = attr->values[0].integer; else if (!strcmp(attr->name, "job-state") && attr->value_tag == IPP_TAG_ENUM) state = (ipp_jstate_t)attr->values[0].integer; else if (!strcmp(attr->name, "job-priority") && attr->value_tag == IPP_TAG_INTEGER) priority = attr->values[0].integer; else if (!strcmp(attr->name, "job-k-octets") && attr->value_tag == IPP_TAG_INTEGER) size = attr->values[0].integer; else if (!strcmp(attr->name, "time-at-completed") && attr->value_tag == IPP_TAG_INTEGER) completed_time = attr->values[0].integer; else if (!strcmp(attr->name, "time-at-creation") && attr->value_tag == IPP_TAG_INTEGER) creation_time = attr->values[0].integer; else if (!strcmp(attr->name, "time-at-processing") && attr->value_tag == IPP_TAG_INTEGER) processing_time = attr->values[0].integer; else if (!strcmp(attr->name, "job-printer-uri") && attr->value_tag == IPP_TAG_URI) { if ((dest = strrchr(attr->values[0].string.text, '/')) != NULL) dest ++; } else if (!strcmp(attr->name, "job-originating-user-name") && attr->value_tag == IPP_TAG_NAME) user = attr->values[0].string.text; else if (!strcmp(attr->name, "document-format") && attr->value_tag == IPP_TAG_MIMETYPE) format = attr->values[0].string.text; else if (!strcmp(attr->name, "job-name") && (attr->value_tag == IPP_TAG_TEXT || attr->value_tag == IPP_TAG_NAME)) title = attr->values[0].string.text; attr = attr->next; } /* * See if we have everything needed... */ if (!dest || !id) { if (!attr) break; else continue; } /* * Allocate memory for the job... */ if (n == 0) temp = malloc(sizeof(cups_job_t)); else temp = realloc(*jobs, sizeof(cups_job_t) * (size_t)(n + 1)); if (!temp) { /* * Ran out of memory! */ _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0); cupsFreeJobs(n, *jobs); *jobs = NULL; ippDelete(response); return (-1); } *jobs = temp; temp += n; n ++; /* * Copy the data over... */ temp->dest = _cupsStrAlloc(dest); temp->user = _cupsStrAlloc(user); temp->format = _cupsStrAlloc(format); temp->title = _cupsStrAlloc(title); temp->id = id; temp->priority = priority; temp->state = state; temp->size = size; temp->completed_time = completed_time; temp->creation_time = creation_time; temp->processing_time = processing_time; if (!attr) break; } ippDelete(response); } if (n == 0 && cg->last_error >= IPP_STATUS_ERROR_BAD_REQUEST) return (-1); else return (n); } /* * 'cupsGetPrinters()' - Get a list of printers from the default server. * * This function is deprecated and no longer returns a list of printers - use * @link cupsGetDests@ instead. * * @deprecated@ @exclude all@ */ int /* O - Number of printers */ cupsGetPrinters(char ***printers) /* O - Printers */ { if (printers) *printers = NULL; return (0); } /* * 'cupsPrintFile()' - Print a file to a printer or class on the default server. * * @exclude all@ */ int /* O - Job ID or 0 on error */ cupsPrintFile(const char *name, /* I - Destination name */ const char *filename, /* I - File to print */ const char *title, /* I - Title of job */ int num_options,/* I - Number of options */ cups_option_t *options) /* I - Options */ { DEBUG_printf(("cupsPrintFile(name=\"%s\", filename=\"%s\", title=\"%s\", num_options=%d, options=%p)", name, filename, title, num_options, (void *)options)); return (cupsPrintFiles2(CUPS_HTTP_DEFAULT, name, 1, &filename, title, num_options, options)); } /* * 'cupsPrintFile2()' - Print a file to a printer or class on the specified * server. * * @since CUPS 1.1.21/macOS 10.4@ @exclude all@ */ int /* O - Job ID or 0 on error */ cupsPrintFile2( http_t *http, /* I - Connection to server */ const char *name, /* I - Destination name */ const char *filename, /* I - File to print */ const char *title, /* I - Title of job */ int num_options, /* I - Number of options */ cups_option_t *options) /* I - Options */ { 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)); return (cupsPrintFiles2(http, name, 1, &filename, title, num_options, options)); } /* * 'cupsPrintFiles()' - Print one or more files to a printer or class on the * default server. * * @exclude all@ */ int /* O - Job ID or 0 on error */ cupsPrintFiles( const char *name, /* I - Destination name */ int num_files, /* I - Number of files */ const char **files, /* I - File(s) to print */ const char *title, /* I - Title of job */ int num_options, /* I - Number of options */ cups_option_t *options) /* I - Options */ { 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)); /* * Print the file(s)... */ return (cupsPrintFiles2(CUPS_HTTP_DEFAULT, name, num_files, files, title, num_options, options)); } /* * 'cupsPrintFiles2()' - Print one or more files to a printer or class on the * specified server. * * @since CUPS 1.1.21/macOS 10.4@ @exclude all@ */ int /* O - Job ID or 0 on error */ cupsPrintFiles2( http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ const char *name, /* I - Destination name */ int num_files, /* I - Number of files */ const char **files, /* I - File(s) to print */ const char *title, /* I - Title of job */ int num_options, /* I - Number of options */ cups_option_t *options) /* I - Options */ { int i; /* Looping var */ int job_id; /* New job ID */ const char *docname; /* Basename of current filename */ const char *format; /* Document format */ cups_file_t *fp; /* Current file */ char buffer[8192]; /* Copy buffer */ ssize_t bytes; /* Bytes in buffer */ http_status_t status; /* Status of write */ _cups_globals_t *cg = _cupsGlobals(); /* Global data */ ipp_status_t cancel_status; /* Status code to preserve */ char *cancel_message; /* Error message to preserve */ 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)); /* * Range check input... */ if (!name || num_files < 1 || !files) { _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0); return (0); } /* * Create the print job... */ if ((job_id = cupsCreateJob(http, name, title, num_options, options)) == 0) return (0); /* * Send each of the files... */ if (cupsGetOption("raw", num_options, options)) format = CUPS_FORMAT_RAW; else if ((format = cupsGetOption("document-format", num_options, options)) == NULL) format = CUPS_FORMAT_AUTO; for (i = 0; i < num_files; i ++) { /* * Start the next file... */ if ((docname = strrchr(files[i], '/')) != NULL) docname ++; else docname = files[i]; if ((fp = cupsFileOpen(files[i], "rb")) == NULL) { /* * Unable to open print file, cancel the job and return... */ _cupsSetError(IPP_STATUS_ERROR_DOCUMENT_ACCESS, NULL, 0); goto cancel_job; } status = cupsStartDocument(http, name, job_id, docname, format, i == (num_files - 1)); while (status == HTTP_STATUS_CONTINUE && (bytes = cupsFileRead(fp, buffer, sizeof(buffer))) > 0) status = cupsWriteRequestData(http, buffer, (size_t)bytes); cupsFileClose(fp); if (status != HTTP_STATUS_CONTINUE || cupsFinishDocument(http, name) != IPP_STATUS_OK) { /* * Unable to queue, cancel the job and return... */ goto cancel_job; } } return (job_id); /* * If we get here, something happened while sending the print job so we need * to cancel the job without setting the last error (since we need to preserve * the current error... */ cancel_job: cancel_status = cg->last_error; cancel_message = cg->last_status_message ? _cupsStrRetain(cg->last_status_message) : NULL; cupsCancelJob2(http, name, job_id, 0); cg->last_error = cancel_status; cg->last_status_message = cancel_message; return (0); } /* * 'cupsStartDocument()' - Add a document to a job created with cupsCreateJob(). * * Use @link cupsWriteRequestData@ to write data for the document and * @link cupsFinishDocument@ to finish the document and get the submission status. * * The MIME type constants @code CUPS_FORMAT_AUTO@, @code CUPS_FORMAT_PDF@, * @code CUPS_FORMAT_POSTSCRIPT@, @code CUPS_FORMAT_RAW@, and * @code CUPS_FORMAT_TEXT@ are provided for the "format" argument, although * any supported MIME type string can be supplied. * * @since CUPS 1.4/macOS 10.6@ @exclude all@ */ http_status_t /* O - HTTP status of request */ cupsStartDocument( http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ const char *name, /* I - Destination name */ int job_id, /* I - Job ID from @link cupsCreateJob@ */ const char *docname, /* I - Name of document */ const char *format, /* I - MIME type or @code CUPS_FORMAT_foo@ */ int last_document) /* I - 1 for last document in job, 0 otherwise */ { char resource[1024], /* Resource for destinatio */ printer_uri[1024]; /* Printer URI */ ipp_t *request; /* Send-Document request */ http_status_t status; /* HTTP status */ /* * Create a Send-Document request... */ if ((request = ippNewRequest(IPP_OP_SEND_DOCUMENT)) == NULL) { _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(ENOMEM), 0); return (HTTP_STATUS_ERROR); } httpAssembleURIf(HTTP_URI_CODING_ALL, printer_uri, sizeof(printer_uri), "ipp", NULL, "localhost", ippPort(), "/printers/%s", name); snprintf(resource, sizeof(resource), "/printers/%s", name); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, printer_uri); ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", job_id); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsUser()); if (docname) ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "document-name", NULL, docname); if (format) ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format", NULL, format); ippAddBoolean(request, IPP_TAG_OPERATION, "last-document", (char)last_document); /* * Send and delete the request, then return the status... */ status = cupsSendRequest(http, request, resource, CUPS_LENGTH_VARIABLE); ippDelete(request); return (status); }