2 * Internet Printing Protocol functions for CUPS.
4 * Copyright © 2007-2019 by Apple Inc.
5 * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
7 * Licensed under Apache License v2.0. See the file "LICENSE" for more
12 * Include necessary headers...
15 #include "cups-private.h"
16 #include "debug-internal.h"
27 static ipp_attribute_t *ipp_add_attr(ipp_t *ipp, const char *name,
28 ipp_tag_t group_tag, ipp_tag_t value_tag,
30 static void ipp_free_values(ipp_attribute_t *attr, int element,
32 static char *ipp_get_code(const char *locale, char *buffer, size_t bufsize) _CUPS_NONNULL(1,2);
33 static char *ipp_lang_code(const char *locale, char *buffer, size_t bufsize) _CUPS_NONNULL(1,2);
34 static size_t ipp_length(ipp_t *ipp, int collection);
35 static ssize_t ipp_read_http(http_t *http, ipp_uchar_t *buffer,
37 static ssize_t ipp_read_file(int *fd, ipp_uchar_t *buffer,
39 static void ipp_set_error(ipp_status_t status, const char *format,
41 static _ipp_value_t *ipp_set_value(ipp_t *ipp, ipp_attribute_t **attr,
43 static ssize_t ipp_write_file(int *fd, ipp_uchar_t *buffer,
48 * '_cupsBufferGet()' - Get a read/write buffer.
51 char * /* O - Buffer */
52 _cupsBufferGet(size_t size) /* I - Size required */
54 _cups_buffer_t *buffer; /* Current buffer */
55 _cups_globals_t *cg = _cupsGlobals();
59 for (buffer = cg->cups_buffers; buffer; buffer = buffer->next)
60 if (!buffer->used && buffer->size >= size)
65 if ((buffer = malloc(sizeof(_cups_buffer_t) + size - 1)) == NULL)
68 buffer->next = cg->cups_buffers;
70 cg->cups_buffers = buffer;
80 * '_cupsBufferRelease()' - Release a read/write buffer.
84 _cupsBufferRelease(char *b) /* I - Buffer to release */
86 _cups_buffer_t *buffer; /* Buffer */
90 * Mark this buffer as unused...
93 buffer = (_cups_buffer_t *)(b - offsetof(_cups_buffer_t, d));
99 * 'ippAddBoolean()' - Add a boolean attribute to an IPP message.
101 * The @code ipp@ parameter refers to an IPP message previously created using
102 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
104 * The @code group@ parameter specifies the IPP attribute group tag: none
105 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
106 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
107 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
108 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
111 ipp_attribute_t * /* O - New attribute */
112 ippAddBoolean(ipp_t *ipp, /* I - IPP message */
113 ipp_tag_t group, /* I - IPP group */
114 const char *name, /* I - Name of attribute */
115 char value) /* I - Value of attribute */
117 ipp_attribute_t *attr; /* New attribute */
120 DEBUG_printf(("ippAddBoolean(ipp=%p, group=%02x(%s), name=\"%s\", value=%d)", (void *)ipp, group, ippTagString(group), name, value));
123 * Range check input...
126 if (!ipp || !name || group < IPP_TAG_ZERO ||
127 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE)
131 * Create the attribute...
134 if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BOOLEAN, 1)) == NULL)
137 attr->values[0].boolean = value;
144 * 'ippAddBooleans()' - Add an array of boolean values.
146 * The @code ipp@ parameter refers to an IPP message previously created using
147 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
149 * The @code group@ parameter specifies the IPP attribute group tag: none
150 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
151 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
152 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
153 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
156 ipp_attribute_t * /* O - New attribute */
157 ippAddBooleans(ipp_t *ipp, /* I - IPP message */
158 ipp_tag_t group, /* I - IPP group */
159 const char *name, /* I - Name of attribute */
160 int num_values, /* I - Number of values */
161 const char *values) /* I - Values */
163 int i; /* Looping var */
164 ipp_attribute_t *attr; /* New attribute */
165 _ipp_value_t *value; /* Current value */
168 DEBUG_printf(("ippAddBooleans(ipp=%p, group=%02x(%s), name=\"%s\", num_values=%d, values=%p)", (void *)ipp, group, ippTagString(group), name, num_values, (void *)values));
171 * Range check input...
174 if (!ipp || !name || group < IPP_TAG_ZERO ||
175 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE ||
180 * Create the attribute...
183 if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BOOLEAN, num_values)) == NULL)
188 for (i = num_values, value = attr->values;
191 value->boolean = *values++;
199 * 'ippAddCollection()' - Add a collection value.
201 * The @code ipp@ parameter refers to an IPP message previously created using
202 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
204 * The @code group@ parameter specifies the IPP attribute group tag: none
205 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
206 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
207 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
208 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
210 * @since CUPS 1.1.19/macOS 10.3@
213 ipp_attribute_t * /* O - New attribute */
214 ippAddCollection(ipp_t *ipp, /* I - IPP message */
215 ipp_tag_t group, /* I - IPP group */
216 const char *name, /* I - Name of attribute */
217 ipp_t *value) /* I - Value */
219 ipp_attribute_t *attr; /* New attribute */
222 DEBUG_printf(("ippAddCollection(ipp=%p, group=%02x(%s), name=\"%s\", value=%p)", (void *)ipp, group, ippTagString(group), name, (void *)value));
225 * Range check input...
228 if (!ipp || !name || group < IPP_TAG_ZERO ||
229 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE)
233 * Create the attribute...
236 if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BEGIN_COLLECTION, 1)) == NULL)
239 attr->values[0].collection = value;
249 * 'ippAddCollections()' - Add an array of collection values.
251 * The @code ipp@ parameter refers to an IPP message previously created using
252 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
254 * The @code group@ parameter specifies the IPP attribute group tag: none
255 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
256 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
257 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
258 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
260 * @since CUPS 1.1.19/macOS 10.3@
263 ipp_attribute_t * /* O - New attribute */
265 ipp_t *ipp, /* I - IPP message */
266 ipp_tag_t group, /* I - IPP group */
267 const char *name, /* I - Name of attribute */
268 int num_values, /* I - Number of values */
269 const ipp_t **values) /* I - Values */
271 int i; /* Looping var */
272 ipp_attribute_t *attr; /* New attribute */
273 _ipp_value_t *value; /* Current value */
276 DEBUG_printf(("ippAddCollections(ipp=%p, group=%02x(%s), name=\"%s\", num_values=%d, values=%p)", (void *)ipp, group, ippTagString(group), name, num_values, (void *)values));
279 * Range check input...
282 if (!ipp || !name || group < IPP_TAG_ZERO ||
283 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE ||
288 * Create the attribute...
291 if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BEGIN_COLLECTION,
292 num_values)) == NULL)
297 for (i = num_values, value = attr->values;
301 value->collection = (ipp_t *)*values++;
302 value->collection->use ++;
311 * 'ippAddDate()' - Add a dateTime attribute to an IPP message.
313 * The @code ipp@ parameter refers to an IPP message previously created using
314 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
316 * The @code group@ parameter specifies the IPP attribute group tag: none
317 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
318 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
319 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
320 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
323 ipp_attribute_t * /* O - New attribute */
324 ippAddDate(ipp_t *ipp, /* I - IPP message */
325 ipp_tag_t group, /* I - IPP group */
326 const char *name, /* I - Name of attribute */
327 const ipp_uchar_t *value) /* I - Value */
329 ipp_attribute_t *attr; /* New attribute */
332 DEBUG_printf(("ippAddDate(ipp=%p, group=%02x(%s), name=\"%s\", value=%p)", (void *)ipp, group, ippTagString(group), name, (void *)value));
335 * Range check input...
338 if (!ipp || !name || !value || group < IPP_TAG_ZERO ||
339 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE)
343 * Create the attribute...
346 if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_DATE, 1)) == NULL)
349 memcpy(attr->values[0].date, value, 11);
356 * 'ippAddInteger()' - Add a integer attribute to an IPP message.
358 * The @code ipp@ parameter refers to an IPP message previously created using
359 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
361 * The @code group@ parameter specifies the IPP attribute group tag: none
362 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
363 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
364 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
365 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
367 * Supported values include enum (@code IPP_TAG_ENUM@) and integer
368 * (@code IPP_TAG_INTEGER@).
371 ipp_attribute_t * /* O - New attribute */
372 ippAddInteger(ipp_t *ipp, /* I - IPP message */
373 ipp_tag_t group, /* I - IPP group */
374 ipp_tag_t value_tag, /* I - Type of attribute */
375 const char *name, /* I - Name of attribute */
376 int value) /* I - Value of attribute */
378 ipp_attribute_t *attr; /* New attribute */
381 DEBUG_printf(("ippAddInteger(ipp=%p, group=%02x(%s), type=%02x(%s), name=\"%s\", value=%d)", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, value));
383 value_tag &= IPP_TAG_CUPS_MASK;
386 * Special-case for legacy usage: map out-of-band attributes to new ippAddOutOfBand
390 if (value_tag >= IPP_TAG_UNSUPPORTED_VALUE && value_tag <= IPP_TAG_ADMINDEFINE)
391 return (ippAddOutOfBand(ipp, group, value_tag, name));
394 * Range check input...
398 if (!ipp || !name || group < IPP_TAG_ZERO ||
399 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE ||
400 (value_tag != IPP_TAG_INTEGER && value_tag != IPP_TAG_ENUM))
403 if (!ipp || !name || group < IPP_TAG_ZERO ||
404 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE)
409 * Create the attribute...
412 if ((attr = ipp_add_attr(ipp, name, group, value_tag, 1)) == NULL)
415 attr->values[0].integer = value;
422 * 'ippAddIntegers()' - Add an array of integer values.
424 * The @code ipp@ parameter refers to an IPP message previously created using
425 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
427 * The @code group@ parameter specifies the IPP attribute group tag: none
428 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
429 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
430 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
431 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
433 * Supported values include enum (@code IPP_TAG_ENUM@) and integer
434 * (@code IPP_TAG_INTEGER@).
437 ipp_attribute_t * /* O - New attribute */
438 ippAddIntegers(ipp_t *ipp, /* I - IPP message */
439 ipp_tag_t group, /* I - IPP group */
440 ipp_tag_t value_tag, /* I - Type of attribute */
441 const char *name, /* I - Name of attribute */
442 int num_values, /* I - Number of values */
443 const int *values) /* I - Values */
445 int i; /* Looping var */
446 ipp_attribute_t *attr; /* New attribute */
447 _ipp_value_t *value; /* Current value */
450 DEBUG_printf(("ippAddIntegers(ipp=%p, group=%02x(%s), type=%02x(%s), name=\"%s\", num_values=%d, values=%p)", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, num_values, (void *)values));
452 value_tag &= IPP_TAG_CUPS_MASK;
455 * Range check input...
459 if (!ipp || !name || group < IPP_TAG_ZERO ||
460 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE ||
461 (value_tag != IPP_TAG_INTEGER && value_tag != IPP_TAG_ENUM) ||
465 if (!ipp || !name || group < IPP_TAG_ZERO ||
466 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE ||
472 * Create the attribute...
475 if ((attr = ipp_add_attr(ipp, name, group, value_tag, num_values)) == NULL)
480 for (i = num_values, value = attr->values;
483 value->integer = *values++;
491 * 'ippAddOctetString()' - Add an octetString value to an IPP message.
493 * The @code ipp@ parameter refers to an IPP message previously created using
494 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
496 * The @code group@ parameter specifies the IPP attribute group tag: none
497 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
498 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
499 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
500 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
502 * @since CUPS 1.2/macOS 10.5@
505 ipp_attribute_t * /* O - New attribute */
506 ippAddOctetString(ipp_t *ipp, /* I - IPP message */
507 ipp_tag_t group, /* I - IPP group */
508 const char *name, /* I - Name of attribute */
509 const void *data, /* I - octetString data */
510 int datalen) /* I - Length of data in bytes */
512 ipp_attribute_t *attr; /* New attribute */
515 if (!ipp || !name || group < IPP_TAG_ZERO ||
516 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE ||
517 datalen < 0 || datalen > IPP_MAX_LENGTH)
520 if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_STRING, 1)) == NULL)
524 * Initialize the attribute data...
527 attr->values[0].unknown.length = datalen;
531 if ((attr->values[0].unknown.data = malloc((size_t)datalen)) == NULL)
533 ippDeleteAttribute(ipp, attr);
537 memcpy(attr->values[0].unknown.data, data, (size_t)datalen);
541 * Return the new attribute...
549 * 'ippAddOutOfBand()' - Add an out-of-band value to an IPP message.
551 * The @code ipp@ parameter refers to an IPP message previously created using
552 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
554 * The @code group@ parameter specifies the IPP attribute group tag: none
555 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
556 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
557 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
558 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
560 * Supported out-of-band values include unsupported-value
561 * (@code IPP_TAG_UNSUPPORTED_VALUE@), default (@code IPP_TAG_DEFAULT@), unknown
562 * (@code IPP_TAG_UNKNOWN@), no-value (@code IPP_TAG_NOVALUE@), not-settable
563 * (@code IPP_TAG_NOTSETTABLE@), delete-attribute (@code IPP_TAG_DELETEATTR@), and
564 * admin-define (@code IPP_TAG_ADMINDEFINE@).
566 * @since CUPS 1.6/macOS 10.8@
569 ipp_attribute_t * /* O - New attribute */
570 ippAddOutOfBand(ipp_t *ipp, /* I - IPP message */
571 ipp_tag_t group, /* I - IPP group */
572 ipp_tag_t value_tag, /* I - Type of attribute */
573 const char *name) /* I - Name of attribute */
575 DEBUG_printf(("ippAddOutOfBand(ipp=%p, group=%02x(%s), value_tag=%02x(%s), name=\"%s\")", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name));
577 value_tag &= IPP_TAG_CUPS_MASK;
580 * Range check input...
583 if (!ipp || !name || group < IPP_TAG_ZERO ||
584 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE ||
585 (value_tag != IPP_TAG_UNSUPPORTED_VALUE &&
586 value_tag != IPP_TAG_DEFAULT &&
587 value_tag != IPP_TAG_UNKNOWN &&
588 value_tag != IPP_TAG_NOVALUE &&
589 value_tag != IPP_TAG_NOTSETTABLE &&
590 value_tag != IPP_TAG_DELETEATTR &&
591 value_tag != IPP_TAG_ADMINDEFINE))
595 * Create the attribute...
598 return (ipp_add_attr(ipp, name, group, value_tag, 1));
603 * 'ippAddRange()' - Add a range of values to an IPP message.
605 * The @code ipp@ parameter refers to an IPP message previously created using
606 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
608 * The @code group@ parameter specifies the IPP attribute group tag: none
609 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
610 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
611 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
612 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
614 * The @code lower@ parameter must be less than or equal to the @code upper@ parameter.
617 ipp_attribute_t * /* O - New attribute */
618 ippAddRange(ipp_t *ipp, /* I - IPP message */
619 ipp_tag_t group, /* I - IPP group */
620 const char *name, /* I - Name of attribute */
621 int lower, /* I - Lower value */
622 int upper) /* I - Upper value */
624 ipp_attribute_t *attr; /* New attribute */
627 DEBUG_printf(("ippAddRange(ipp=%p, group=%02x(%s), name=\"%s\", lower=%d, upper=%d)", (void *)ipp, group, ippTagString(group), name, lower, upper));
630 * Range check input...
633 if (!ipp || !name || group < IPP_TAG_ZERO ||
634 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE)
638 * Create the attribute...
641 if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RANGE, 1)) == NULL)
644 attr->values[0].range.lower = lower;
645 attr->values[0].range.upper = upper;
652 * 'ippAddRanges()' - Add ranges of values to an IPP message.
654 * The @code ipp@ parameter refers to an IPP message previously created using
655 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
657 * The @code group@ parameter specifies the IPP attribute group tag: none
658 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
659 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
660 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
661 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
664 ipp_attribute_t * /* O - New attribute */
665 ippAddRanges(ipp_t *ipp, /* I - IPP message */
666 ipp_tag_t group, /* I - IPP group */
667 const char *name, /* I - Name of attribute */
668 int num_values, /* I - Number of values */
669 const int *lower, /* I - Lower values */
670 const int *upper) /* I - Upper values */
672 int i; /* Looping var */
673 ipp_attribute_t *attr; /* New attribute */
674 _ipp_value_t *value; /* Current value */
677 DEBUG_printf(("ippAddRanges(ipp=%p, group=%02x(%s), name=\"%s\", num_values=%d, lower=%p, upper=%p)", (void *)ipp, group, ippTagString(group), name, num_values, (void *)lower, (void *)upper));
680 * Range check input...
683 if (!ipp || !name || group < IPP_TAG_ZERO ||
684 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE ||
689 * Create the attribute...
692 if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RANGE, num_values)) == NULL)
697 for (i = num_values, value = attr->values;
701 value->range.lower = *lower++;
702 value->range.upper = *upper++;
711 * 'ippAddResolution()' - Add a resolution value to an IPP message.
713 * The @code ipp@ parameter refers to an IPP message previously created using
714 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
716 * The @code group@ parameter specifies the IPP attribute group tag: none
717 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
718 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
719 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
720 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
723 ipp_attribute_t * /* O - New attribute */
724 ippAddResolution(ipp_t *ipp, /* I - IPP message */
725 ipp_tag_t group, /* I - IPP group */
726 const char *name, /* I - Name of attribute */
727 ipp_res_t units, /* I - Units for resolution */
728 int xres, /* I - X resolution */
729 int yres) /* I - Y resolution */
731 ipp_attribute_t *attr; /* New attribute */
734 DEBUG_printf(("ippAddResolution(ipp=%p, group=%02x(%s), name=\"%s\", units=%d, xres=%d, yres=%d)", (void *)ipp, group,
735 ippTagString(group), name, units, xres, yres));
738 * Range check input...
741 if (!ipp || !name || group < IPP_TAG_ZERO ||
742 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE ||
743 units < IPP_RES_PER_INCH || units > IPP_RES_PER_CM ||
744 xres < 0 || yres < 0)
748 * Create the attribute...
751 if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RESOLUTION, 1)) == NULL)
754 attr->values[0].resolution.xres = xres;
755 attr->values[0].resolution.yres = yres;
756 attr->values[0].resolution.units = units;
763 * 'ippAddResolutions()' - Add resolution values to an IPP message.
765 * The @code ipp@ parameter refers to an IPP message previously created using
766 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
768 * The @code group@ parameter specifies the IPP attribute group tag: none
769 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
770 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
771 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
772 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
775 ipp_attribute_t * /* O - New attribute */
776 ippAddResolutions(ipp_t *ipp, /* I - IPP message */
777 ipp_tag_t group, /* I - IPP group */
778 const char *name, /* I - Name of attribute */
779 int num_values,/* I - Number of values */
780 ipp_res_t units, /* I - Units for resolution */
781 const int *xres, /* I - X resolutions */
782 const int *yres) /* I - Y resolutions */
784 int i; /* Looping var */
785 ipp_attribute_t *attr; /* New attribute */
786 _ipp_value_t *value; /* Current value */
789 DEBUG_printf(("ippAddResolutions(ipp=%p, group=%02x(%s), name=\"%s\", num_value=%d, units=%d, xres=%p, yres=%p)", (void *)ipp, group, ippTagString(group), name, num_values, units, (void *)xres, (void *)yres));
792 * Range check input...
795 if (!ipp || !name || group < IPP_TAG_ZERO ||
796 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE ||
798 units < IPP_RES_PER_INCH || units > IPP_RES_PER_CM)
802 * Create the attribute...
805 if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RESOLUTION, num_values)) == NULL)
810 for (i = num_values, value = attr->values;
814 value->resolution.xres = *xres++;
815 value->resolution.yres = *yres++;
816 value->resolution.units = units;
825 * 'ippAddSeparator()' - Add a group separator to an IPP message.
827 * The @code ipp@ parameter refers to an IPP message previously created using
828 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
831 ipp_attribute_t * /* O - New attribute */
832 ippAddSeparator(ipp_t *ipp) /* I - IPP message */
834 DEBUG_printf(("ippAddSeparator(ipp=%p)", (void *)ipp));
837 * Range check input...
844 * Create the attribute...
847 return (ipp_add_attr(ipp, NULL, IPP_TAG_ZERO, IPP_TAG_ZERO, 0));
852 * 'ippAddString()' - Add a language-encoded string to an IPP message.
854 * The @code ipp@ parameter refers to an IPP message previously created using
855 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
857 * The @code group@ parameter specifies the IPP attribute group tag: none
858 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
859 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
860 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
861 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
863 * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword
864 * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType
865 * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage
866 * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage
867 * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme
868 * (@code IPP_TAG_URISCHEME@).
870 * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage and
871 * textWithLanguage string values and must be @code NULL@ for all other string values.
874 ipp_attribute_t * /* O - New attribute */
875 ippAddString(ipp_t *ipp, /* I - IPP message */
876 ipp_tag_t group, /* I - IPP group */
877 ipp_tag_t value_tag, /* I - Type of attribute */
878 const char *name, /* I - Name of attribute */
879 const char *language, /* I - Language code */
880 const char *value) /* I - Value */
882 ipp_tag_t temp_tag; /* Temporary value tag (masked) */
883 ipp_attribute_t *attr; /* New attribute */
884 char code[IPP_MAX_LANGUAGE];
885 /* Charset/language code buffer */
888 DEBUG_printf(("ippAddString(ipp=%p, group=%02x(%s), value_tag=%02x(%s), name=\"%s\", language=\"%s\", value=\"%s\")", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, language, value));
891 * Range check input...
894 temp_tag = (ipp_tag_t)((int)value_tag & IPP_TAG_CUPS_MASK);
897 if (!ipp || !name || group < IPP_TAG_ZERO ||
898 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE ||
899 (temp_tag < IPP_TAG_TEXT && temp_tag != IPP_TAG_TEXTLANG &&
900 temp_tag != IPP_TAG_NAMELANG) || temp_tag > IPP_TAG_MIMETYPE)
903 if ((temp_tag == IPP_TAG_TEXTLANG || temp_tag == IPP_TAG_NAMELANG)
904 != (language != NULL))
907 if (!ipp || !name || group < IPP_TAG_ZERO ||
908 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE)
913 * See if we need to map charset, language, or locale values...
916 if (language && ((int)value_tag & IPP_TAG_CUPS_CONST) &&
917 strcmp(language, ipp_lang_code(language, code, sizeof(code))))
918 value_tag = temp_tag; /* Don't do a fast copy */
919 else if (value && value_tag == (ipp_tag_t)(IPP_TAG_CHARSET | IPP_TAG_CUPS_CONST) &&
920 strcmp(value, ipp_get_code(value, code, sizeof(code))))
921 value_tag = temp_tag; /* Don't do a fast copy */
922 else if (value && value_tag == (ipp_tag_t)(IPP_TAG_LANGUAGE | IPP_TAG_CUPS_CONST) &&
923 strcmp(value, ipp_lang_code(value, code, sizeof(code))))
924 value_tag = temp_tag; /* Don't do a fast copy */
927 * Create the attribute...
930 if ((attr = ipp_add_attr(ipp, name, group, value_tag, 1)) == NULL)
934 * Initialize the attribute data...
937 if ((int)value_tag & IPP_TAG_CUPS_CONST)
939 attr->values[0].string.language = (char *)language;
940 attr->values[0].string.text = (char *)value;
945 attr->values[0].string.language = _cupsStrAlloc(ipp_lang_code(language, code,
950 if (value_tag == IPP_TAG_CHARSET)
951 attr->values[0].string.text = _cupsStrAlloc(ipp_get_code(value, code,
953 else if (value_tag == IPP_TAG_LANGUAGE)
954 attr->values[0].string.text = _cupsStrAlloc(ipp_lang_code(value, code,
957 attr->values[0].string.text = _cupsStrAlloc(value);
966 * 'ippAddStringf()' - Add a formatted string to an IPP message.
968 * The @code ipp@ parameter refers to an IPP message previously created using
969 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
971 * The @code group@ parameter specifies the IPP attribute group tag: none
972 * (@code IPP_TAG_ZERO@, for member attributes), document
973 * (@code IPP_TAG_DOCUMENT@), event notification
974 * (@code IPP_TAG_EVENT_NOTIFICATION@), operation (@code IPP_TAG_OPERATION@),
975 * printer (@code IPP_TAG_PRINTER@), subscription (@code IPP_TAG_SUBSCRIPTION@),
976 * or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
978 * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword
979 * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType
980 * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage
981 * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage
982 * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme
983 * (@code IPP_TAG_URISCHEME@).
985 * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage
986 * and textWithLanguage string values and must be @code NULL@ for all other
989 * The @code format@ parameter uses formatting characters compatible with the
990 * printf family of standard functions. Additional arguments follow it as
991 * needed. The formatted string is truncated as needed to the maximum length of
992 * the corresponding value type.
994 * @since CUPS 1.7/macOS 10.9@
997 ipp_attribute_t * /* O - New attribute */
998 ippAddStringf(ipp_t *ipp, /* I - IPP message */
999 ipp_tag_t group, /* I - IPP group */
1000 ipp_tag_t value_tag, /* I - Type of attribute */
1001 const char *name, /* I - Name of attribute */
1002 const char *language, /* I - Language code (@code NULL@ for default) */
1003 const char *format, /* I - Printf-style format string */
1004 ...) /* I - Additional arguments as needed */
1006 ipp_attribute_t *attr; /* New attribute */
1007 va_list ap; /* Argument pointer */
1010 va_start(ap, format);
1011 attr = ippAddStringfv(ipp, group, value_tag, name, language, format, ap);
1019 * 'ippAddStringfv()' - Add a formatted string to an IPP message.
1021 * The @code ipp@ parameter refers to an IPP message previously created using
1022 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
1024 * The @code group@ parameter specifies the IPP attribute group tag: none
1025 * (@code IPP_TAG_ZERO@, for member attributes), document
1026 * (@code IPP_TAG_DOCUMENT@), event notification
1027 * (@code IPP_TAG_EVENT_NOTIFICATION@), operation (@code IPP_TAG_OPERATION@),
1028 * printer (@code IPP_TAG_PRINTER@), subscription (@code IPP_TAG_SUBSCRIPTION@),
1029 * or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
1031 * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword
1032 * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType
1033 * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage
1034 * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage
1035 * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme
1036 * (@code IPP_TAG_URISCHEME@).
1038 * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage
1039 * and textWithLanguage string values and must be @code NULL@ for all other
1042 * The @code format@ parameter uses formatting characters compatible with the
1043 * printf family of standard functions. Additional arguments are passed in the
1044 * stdarg pointer @code ap@. The formatted string is truncated as needed to the
1045 * maximum length of the corresponding value type.
1047 * @since CUPS 1.7/macOS 10.9@
1050 ipp_attribute_t * /* O - New attribute */
1051 ippAddStringfv(ipp_t *ipp, /* I - IPP message */
1052 ipp_tag_t group, /* I - IPP group */
1053 ipp_tag_t value_tag, /* I - Type of attribute */
1054 const char *name, /* I - Name of attribute */
1055 const char *language, /* I - Language code (@code NULL@ for default) */
1056 const char *format, /* I - Printf-style format string */
1057 va_list ap) /* I - Additional arguments */
1059 char buffer[IPP_MAX_TEXT + 4];
1060 /* Formatted text string */
1061 ssize_t bytes, /* Length of formatted value */
1062 max_bytes; /* Maximum number of bytes for value */
1066 * Range check input...
1069 if (!ipp || !name || group < IPP_TAG_ZERO ||
1070 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE ||
1071 (value_tag < IPP_TAG_TEXT && value_tag != IPP_TAG_TEXTLANG &&
1072 value_tag != IPP_TAG_NAMELANG) || value_tag > IPP_TAG_MIMETYPE ||
1076 if ((value_tag == IPP_TAG_TEXTLANG || value_tag == IPP_TAG_NAMELANG)
1077 != (language != NULL))
1081 * Format the string...
1084 if (!strcmp(format, "%s"))
1087 * Optimize the simple case...
1090 const char *s = va_arg(ap, char *);
1095 bytes = (ssize_t)strlen(s);
1096 strlcpy(buffer, s, sizeof(buffer));
1101 * Do a full formatting of the message...
1104 if ((bytes = vsnprintf(buffer, sizeof(buffer), format, ap)) < 0)
1109 * Limit the length of the string...
1116 case IPP_TAG_TEXTLANG :
1117 max_bytes = IPP_MAX_TEXT;
1121 case IPP_TAG_NAMELANG :
1122 max_bytes = IPP_MAX_NAME;
1125 case IPP_TAG_CHARSET :
1126 max_bytes = IPP_MAX_CHARSET;
1129 case IPP_TAG_KEYWORD :
1130 max_bytes = IPP_MAX_KEYWORD;
1133 case IPP_TAG_LANGUAGE :
1134 max_bytes = IPP_MAX_LANGUAGE;
1137 case IPP_TAG_MIMETYPE :
1138 max_bytes = IPP_MAX_MIMETYPE;
1142 max_bytes = IPP_MAX_URI;
1145 case IPP_TAG_URISCHEME :
1146 max_bytes = IPP_MAX_URISCHEME;
1150 if (bytes >= max_bytes)
1152 char *bufmax, /* Buffer at max_bytes */
1153 *bufptr; /* Pointer into buffer */
1155 bufptr = buffer + strlen(buffer) - 1;
1156 bufmax = buffer + max_bytes - 1;
1158 while (bufptr > bufmax)
1162 while ((*bufptr & 0xc0) == 0x80 && bufptr > buffer)
1173 * Add the formatted string and return...
1176 return (ippAddString(ipp, group, value_tag, name, language, buffer));
1181 * 'ippAddStrings()' - Add language-encoded strings to an IPP message.
1183 * The @code ipp@ parameter refers to an IPP message previously created using
1184 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
1186 * The @code group@ parameter specifies the IPP attribute group tag: none
1187 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
1188 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
1189 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
1190 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
1192 * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword
1193 * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType
1194 * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage
1195 * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage
1196 * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme
1197 * (@code IPP_TAG_URISCHEME@).
1199 * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage and
1200 * textWithLanguage string values and must be @code NULL@ for all other string values.
1203 ipp_attribute_t * /* O - New attribute */
1205 ipp_t *ipp, /* I - IPP message */
1206 ipp_tag_t group, /* I - IPP group */
1207 ipp_tag_t value_tag, /* I - Type of attribute */
1208 const char *name, /* I - Name of attribute */
1209 int num_values, /* I - Number of values */
1210 const char *language, /* I - Language code (@code NULL@ for default) */
1211 const char * const *values) /* I - Values */
1213 int i; /* Looping var */
1214 ipp_tag_t temp_tag; /* Temporary value tag (masked) */
1215 ipp_attribute_t *attr; /* New attribute */
1216 _ipp_value_t *value; /* Current value */
1217 char code[32]; /* Language/charset value buffer */
1220 DEBUG_printf(("ippAddStrings(ipp=%p, group=%02x(%s), value_tag=%02x(%s), name=\"%s\", num_values=%d, language=\"%s\", values=%p)", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, num_values, language, (void *)values));
1223 * Range check input...
1226 temp_tag = (ipp_tag_t)((int)value_tag & IPP_TAG_CUPS_MASK);
1229 if (!ipp || !name || group < IPP_TAG_ZERO ||
1230 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE ||
1231 (temp_tag < IPP_TAG_TEXT && temp_tag != IPP_TAG_TEXTLANG &&
1232 temp_tag != IPP_TAG_NAMELANG) || temp_tag > IPP_TAG_MIMETYPE ||
1236 if ((temp_tag == IPP_TAG_TEXTLANG || temp_tag == IPP_TAG_NAMELANG)
1237 != (language != NULL))
1240 if (!ipp || !name || group < IPP_TAG_ZERO ||
1241 group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE ||
1247 * See if we need to map charset, language, or locale values...
1250 if (language && ((int)value_tag & IPP_TAG_CUPS_CONST) &&
1251 strcmp(language, ipp_lang_code(language, code, sizeof(code))))
1252 value_tag = temp_tag; /* Don't do a fast copy */
1253 else if (values && value_tag == (ipp_tag_t)(IPP_TAG_CHARSET | IPP_TAG_CUPS_CONST))
1255 for (i = 0; i < num_values; i ++)
1256 if (strcmp(values[i], ipp_get_code(values[i], code, sizeof(code))))
1258 value_tag = temp_tag; /* Don't do a fast copy */
1262 else if (values && value_tag == (ipp_tag_t)(IPP_TAG_LANGUAGE | IPP_TAG_CUPS_CONST))
1264 for (i = 0; i < num_values; i ++)
1265 if (strcmp(values[i], ipp_lang_code(values[i], code, sizeof(code))))
1267 value_tag = temp_tag; /* Don't do a fast copy */
1273 * Create the attribute...
1276 if ((attr = ipp_add_attr(ipp, name, group, value_tag, num_values)) == NULL)
1280 * Initialize the attribute data...
1283 for (i = num_values, value = attr->values;
1289 if (value == attr->values)
1291 if ((int)value_tag & IPP_TAG_CUPS_CONST)
1292 value->string.language = (char *)language;
1294 value->string.language = _cupsStrAlloc(ipp_lang_code(language, code,
1298 value->string.language = attr->values[0].string.language;
1303 if ((int)value_tag & IPP_TAG_CUPS_CONST)
1304 value->string.text = (char *)*values++;
1305 else if (value_tag == IPP_TAG_CHARSET)
1306 value->string.text = _cupsStrAlloc(ipp_get_code(*values++, code, sizeof(code)));
1307 else if (value_tag == IPP_TAG_LANGUAGE)
1308 value->string.text = _cupsStrAlloc(ipp_lang_code(*values++, code, sizeof(code)));
1310 value->string.text = _cupsStrAlloc(*values++);
1319 * 'ippContainsInteger()' - Determine whether an attribute contains the
1320 * specified value or is within the list of ranges.
1322 * Returns non-zero when the attribute contains either a matching integer or
1323 * enum value, or the value falls within one of the rangeOfInteger values for
1326 * @since CUPS 1.7/macOS 10.9@
1329 int /* O - 1 on a match, 0 on no match */
1331 ipp_attribute_t *attr, /* I - Attribute */
1332 int value) /* I - Integer/enum value */
1334 int i; /* Looping var */
1335 _ipp_value_t *avalue; /* Current attribute value */
1339 * Range check input...
1345 if (attr->value_tag != IPP_TAG_INTEGER && attr->value_tag != IPP_TAG_ENUM &&
1346 attr->value_tag != IPP_TAG_RANGE)
1353 if (attr->value_tag == IPP_TAG_RANGE)
1355 for (i = attr->num_values, avalue = attr->values; i > 0; i --, avalue ++)
1356 if (value >= avalue->range.lower && value <= avalue->range.upper)
1361 for (i = attr->num_values, avalue = attr->values; i > 0; i --, avalue ++)
1362 if (value == avalue->integer)
1371 * 'ippContainsString()' - Determine whether an attribute contains the
1372 * specified string value.
1374 * Returns non-zero when the attribute contains a matching charset, keyword,
1375 * naturalLanguage, mimeMediaType, name, text, uri, or uriScheme value.
1377 * @since CUPS 1.7/macOS 10.9@
1380 int /* O - 1 on a match, 0 on no match */
1382 ipp_attribute_t *attr, /* I - Attribute */
1383 const char *value) /* I - String value */
1385 int i; /* Looping var */
1386 _ipp_value_t *avalue; /* Current attribute value */
1389 DEBUG_printf(("ippContainsString(attr=%p, value=\"%s\")", (void *)attr, value));
1392 * Range check input...
1395 if (!attr || !value)
1397 DEBUG_puts("1ippContainsString: Returning 0 (bad input)");
1405 DEBUG_printf(("1ippContainsString: attr %s, %s with %d values.",
1406 attr->name, ippTagString(attr->value_tag),
1409 switch (attr->value_tag & IPP_TAG_CUPS_MASK)
1411 case IPP_TAG_CHARSET :
1412 case IPP_TAG_KEYWORD :
1413 case IPP_TAG_LANGUAGE :
1415 case IPP_TAG_URISCHEME :
1416 for (i = attr->num_values, avalue = attr->values;
1420 DEBUG_printf(("1ippContainsString: value[%d]=\"%s\"",
1421 attr->num_values - i, avalue->string.text));
1423 if (!strcmp(value, avalue->string.text))
1425 DEBUG_puts("1ippContainsString: Returning 1 (match)");
1430 case IPP_TAG_MIMETYPE :
1432 case IPP_TAG_NAMELANG :
1434 case IPP_TAG_TEXTLANG :
1435 for (i = attr->num_values, avalue = attr->values;
1439 DEBUG_printf(("1ippContainsString: value[%d]=\"%s\"",
1440 attr->num_values - i, avalue->string.text));
1442 if (!_cups_strcasecmp(value, avalue->string.text))
1444 DEBUG_puts("1ippContainsString: Returning 1 (match)");
1453 DEBUG_puts("1ippContainsString: Returning 0 (no match)");
1460 * 'ippCopyAttribute()' - Copy an attribute.
1462 * The specified attribute, @code attr@, is copied to the destination IPP message.
1463 * When @code quickcopy@ is non-zero, a "shallow" reference copy of the attribute is
1464 * created - this should only be done as long as the original source IPP message will
1465 * not be freed for the life of the destination.
1467 * @since CUPS 1.6/macOS 10.8@
1471 ipp_attribute_t * /* O - New attribute */
1473 ipp_t *dst, /* I - Destination IPP message */
1474 ipp_attribute_t *srcattr, /* I - Attribute to copy */
1475 int quickcopy) /* I - 1 for a referenced copy, 0 for normal */
1477 int i; /* Looping var */
1478 ipp_tag_t srctag; /* Source value tag */
1479 ipp_attribute_t *dstattr; /* Destination attribute */
1480 _ipp_value_t *srcval, /* Source value */
1481 *dstval; /* Destination value */
1484 DEBUG_printf(("ippCopyAttribute(dst=%p, srcattr=%p, quickcopy=%d)", (void *)dst, (void *)srcattr, quickcopy));
1487 * Range check input...
1490 if (!dst || !srcattr)
1497 quickcopy = (quickcopy && (srcattr->value_tag & IPP_TAG_CUPS_CONST)) ? IPP_TAG_CUPS_CONST : 0;
1498 srctag = srcattr->value_tag & IPP_TAG_CUPS_MASK;
1503 dstattr = ippAddSeparator(dst);
1506 case IPP_TAG_UNSUPPORTED_VALUE :
1507 case IPP_TAG_DEFAULT :
1508 case IPP_TAG_UNKNOWN :
1509 case IPP_TAG_NOVALUE :
1510 case IPP_TAG_NOTSETTABLE :
1511 case IPP_TAG_DELETEATTR :
1512 case IPP_TAG_ADMINDEFINE :
1513 dstattr = ippAddOutOfBand(dst, srcattr->group_tag, srctag, srcattr->name);
1516 case IPP_TAG_INTEGER :
1518 case IPP_TAG_BOOLEAN :
1520 case IPP_TAG_RESOLUTION :
1521 case IPP_TAG_RANGE :
1522 if ((dstattr = ipp_add_attr(dst, srcattr->name, srcattr->group_tag, srctag, srcattr->num_values)) != NULL)
1523 memcpy(dstattr->values, srcattr->values, (size_t)srcattr->num_values * sizeof(_ipp_value_t));
1528 case IPP_TAG_RESERVED_STRING :
1529 case IPP_TAG_KEYWORD :
1531 case IPP_TAG_URISCHEME :
1532 case IPP_TAG_CHARSET :
1533 case IPP_TAG_LANGUAGE :
1534 case IPP_TAG_MIMETYPE :
1535 if ((dstattr = ippAddStrings(dst, srcattr->group_tag, (ipp_tag_t)(srctag | quickcopy), srcattr->name, srcattr->num_values, NULL, NULL)) == NULL)
1541 * Can safely quick-copy these string values...
1544 memcpy(dstattr->values, srcattr->values, (size_t)srcattr->num_values * sizeof(_ipp_value_t));
1549 * Otherwise do a normal reference counted copy...
1552 for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; i > 0; i --, srcval ++, dstval ++)
1553 dstval->string.text = _cupsStrAlloc(srcval->string.text);
1557 case IPP_TAG_TEXTLANG :
1558 case IPP_TAG_NAMELANG :
1559 if ((dstattr = ippAddStrings(dst, srcattr->group_tag, (ipp_tag_t)(srctag | quickcopy), srcattr->name, srcattr->num_values, NULL, NULL)) == NULL)
1565 * Can safely quick-copy these string values...
1568 memcpy(dstattr->values, srcattr->values, (size_t)srcattr->num_values * sizeof(_ipp_value_t));
1570 else if (srcattr->value_tag & IPP_TAG_CUPS_CONST)
1573 * Otherwise do a normal reference counted copy...
1576 for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; i > 0; i --, srcval ++, dstval ++)
1578 if (srcval == srcattr->values)
1579 dstval->string.language = _cupsStrAlloc(srcval->string.language);
1581 dstval->string.language = dstattr->values[0].string.language;
1583 dstval->string.text = _cupsStrAlloc(srcval->string.text);
1588 case IPP_TAG_BEGIN_COLLECTION :
1589 if ((dstattr = ippAddCollections(dst, srcattr->group_tag, srcattr->name, srcattr->num_values, NULL)) == NULL)
1592 for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; i > 0; i --, srcval ++, dstval ++)
1594 dstval->collection = srcval->collection;
1595 srcval->collection->use ++;
1599 case IPP_TAG_STRING :
1601 if ((dstattr = ipp_add_attr(dst, srcattr->name, srcattr->group_tag, srctag, srcattr->num_values)) == NULL)
1604 for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; i > 0; i --, srcval ++, dstval ++)
1606 dstval->unknown.length = srcval->unknown.length;
1608 if (dstval->unknown.length > 0)
1610 if ((dstval->unknown.data = malloc((size_t)dstval->unknown.length)) == NULL)
1611 dstval->unknown.length = 0;
1613 memcpy(dstval->unknown.data, srcval->unknown.data, (size_t)dstval->unknown.length);
1616 break; /* anti-compiler-warning-code */
1624 * 'ippCopyAttributes()' - Copy attributes from one IPP message to another.
1626 * Zero or more attributes are copied from the source IPP message, @code src@, to the
1627 * destination IPP message, @code dst@. When @code quickcopy@ is non-zero, a "shallow"
1628 * reference copy of the attribute is created - this should only be done as long as the
1629 * original source IPP message will not be freed for the life of the destination.
1631 * The @code cb@ and @code context@ parameters provide a generic way to "filter" the
1632 * attributes that are copied - the function must return 1 to copy the attribute or
1633 * 0 to skip it. The function may also choose to do a partial copy of the source attribute
1636 * @since CUPS 1.6/macOS 10.8@
1639 int /* O - 1 on success, 0 on error */
1641 ipp_t *dst, /* I - Destination IPP message */
1642 ipp_t *src, /* I - Source IPP message */
1643 int quickcopy, /* I - 1 for a referenced copy, 0 for normal */
1644 ipp_copycb_t cb, /* I - Copy callback or @code NULL@ for none */
1645 void *context) /* I - Context pointer */
1647 ipp_attribute_t *srcattr; /* Source attribute */
1650 DEBUG_printf(("ippCopyAttributes(dst=%p, src=%p, quickcopy=%d, cb=%p, context=%p)", (void *)dst, (void *)src, quickcopy, (void *)cb, context));
1653 * Range check input...
1660 * Loop through source attributes and copy as needed...
1663 for (srcattr = src->attrs; srcattr; srcattr = srcattr->next)
1664 if (!cb || (*cb)(context, dst, srcattr))
1665 if (!ippCopyAttribute(dst, srcattr, quickcopy))
1673 * 'ippDateToTime()' - Convert from RFC 2579 Date/Time format to time in
1677 time_t /* O - UNIX time value */
1678 ippDateToTime(const ipp_uchar_t *date) /* I - RFC 2579 date info */
1680 struct tm unixdate; /* UNIX date/time info */
1681 time_t t; /* Computed time */
1687 memset(&unixdate, 0, sizeof(unixdate));
1690 * RFC-2579 date/time format is:
1692 * Byte(s) Description
1693 * ------- -----------
1694 * 0-1 Year (0 to 65535)
1698 * 5 Minutes (0 to 59)
1699 * 6 Seconds (0 to 60, 60 = "leap second")
1700 * 7 Deciseconds (0 to 9)
1702 * 9 UTC hours (0 to 11)
1703 * 10 UTC minutes (0 to 59)
1706 unixdate.tm_year = ((date[0] << 8) | date[1]) - 1900;
1707 unixdate.tm_mon = date[2] - 1;
1708 unixdate.tm_mday = date[3];
1709 unixdate.tm_hour = date[4];
1710 unixdate.tm_min = date[5];
1711 unixdate.tm_sec = date[6];
1713 t = mktime(&unixdate);
1716 t += date[9] * 3600 + date[10] * 60;
1718 t -= date[9] * 3600 + date[10] * 60;
1725 * 'ippDelete()' - Delete an IPP message.
1729 ippDelete(ipp_t *ipp) /* I - IPP message */
1731 ipp_attribute_t *attr, /* Current attribute */
1732 *next; /* Next attribute */
1735 DEBUG_printf(("ippDelete(ipp=%p)", (void *)ipp));
1743 DEBUG_printf(("4debug_retain: %p IPP message (use=%d)", (void *)ipp, ipp->use));
1747 DEBUG_printf(("4debug_free: %p IPP message", (void *)ipp));
1749 for (attr = ipp->attrs; attr != NULL; attr = next)
1753 DEBUG_printf(("4debug_free: %p %s %s%s (%d values)", (void *)attr, attr->name, attr->num_values > 1 ? "1setOf " : "", ippTagString(attr->value_tag), attr->num_values));
1755 ipp_free_values(attr, 0, attr->num_values);
1758 _cupsStrFree(attr->name);
1768 * 'ippDeleteAttribute()' - Delete a single attribute in an IPP message.
1770 * @since CUPS 1.1.19/macOS 10.3@
1775 ipp_t *ipp, /* I - IPP message */
1776 ipp_attribute_t *attr) /* I - Attribute to delete */
1778 ipp_attribute_t *current, /* Current attribute */
1779 *prev; /* Previous attribute */
1782 DEBUG_printf(("ippDeleteAttribute(ipp=%p, attr=%p(%s))", (void *)ipp, (void *)attr, attr ? attr->name : "(null)"));
1785 * Range check input...
1791 DEBUG_printf(("4debug_free: %p %s %s%s (%d values)", (void *)attr, attr->name, attr->num_values > 1 ? "1setOf " : "", ippTagString(attr->value_tag), attr->num_values));
1794 * Find the attribute in the list...
1799 for (current = ipp->attrs, prev = NULL;
1801 prev = current, current = current->next)
1802 if (current == attr)
1805 * Found it, remove the attribute from the list...
1809 prev->next = current->next;
1811 ipp->attrs = current->next;
1813 if (current == ipp->last)
1824 * Free memory used by the attribute...
1827 ipp_free_values(attr, 0, attr->num_values);
1830 _cupsStrFree(attr->name);
1837 * 'ippDeleteValues()' - Delete values in an attribute.
1839 * The @code element@ parameter specifies the first value to delete, starting at
1840 * 0. It must be less than the number of values returned by @link ippGetCount@.
1842 * The @code attr@ parameter may be modified as a result of setting the value.
1844 * Deleting all values in an attribute deletes the attribute.
1846 * @since CUPS 1.6/macOS 10.8@
1849 int /* O - 1 on success, 0 on failure */
1851 ipp_t *ipp, /* I - IPP message */
1852 ipp_attribute_t **attr, /* IO - Attribute */
1853 int element, /* I - Index of first value to delete (0-based) */
1854 int count) /* I - Number of values to delete */
1857 * Range check input...
1860 if (!ipp || !attr || !*attr ||
1861 element < 0 || element >= (*attr)->num_values || count <= 0 ||
1862 (element + count) >= (*attr)->num_values)
1866 * If we are deleting all values, just delete the attribute entirely.
1869 if (count == (*attr)->num_values)
1871 ippDeleteAttribute(ipp, *attr);
1877 * Otherwise free the values in question and return.
1880 ipp_free_values(*attr, element, count);
1887 * 'ippFindAttribute()' - Find a named attribute in a request.
1889 * Starting with CUPS 2.0, the attribute name can contain a hierarchical list
1890 * of attribute and member names separated by slashes, for example
1891 * "media-col/media-size".
1894 ipp_attribute_t * /* O - Matching attribute */
1895 ippFindAttribute(ipp_t *ipp, /* I - IPP message */
1896 const char *name, /* I - Name of attribute */
1897 ipp_tag_t type) /* I - Type of attribute */
1899 DEBUG_printf(("2ippFindAttribute(ipp=%p, name=\"%s\", type=%02x(%s))", (void *)ipp, name, type, ippTagString(type)));
1905 * Reset the current pointer...
1908 ipp->current = NULL;
1912 * Search for the attribute...
1915 return (ippFindNextAttribute(ipp, name, type));
1920 * 'ippFindNextAttribute()' - Find the next named attribute in a request.
1922 * Starting with CUPS 2.0, the attribute name can contain a hierarchical list
1923 * of attribute and member names separated by slashes, for example
1924 * "media-col/media-size".
1927 ipp_attribute_t * /* O - Matching attribute */
1928 ippFindNextAttribute(ipp_t *ipp, /* I - IPP message */
1929 const char *name, /* I - Name of attribute */
1930 ipp_tag_t type) /* I - Type of attribute */
1932 ipp_attribute_t *attr, /* Current atttribute */
1933 *childattr; /* Child attribute */
1934 ipp_tag_t value_tag; /* Value tag */
1935 char parent[1024], /* Parent attribute name */
1936 *child = NULL; /* Child attribute name */
1939 DEBUG_printf(("2ippFindNextAttribute(ipp=%p, name=\"%s\", type=%02x(%s))", (void *)ipp, name, type, ippTagString(type)));
1944 DEBUG_printf(("3ippFindNextAttribute: atend=%d", ipp->atend));
1949 if (strchr(name, '/'))
1952 * Search for child attribute...
1955 strlcpy(parent, name, sizeof(parent));
1956 if ((child = strchr(parent, '/')) == NULL)
1958 DEBUG_puts("3ippFindNextAttribute: Attribute name too long.");
1964 if (ipp->current && ipp->current->name && ipp->current->value_tag == IPP_TAG_BEGIN_COLLECTION && !strcmp(parent, ipp->current->name))
1966 while (ipp->curindex < ipp->current->num_values)
1968 if ((childattr = ippFindNextAttribute(ipp->current->values[ipp->curindex].collection, child, type)) != NULL)
1972 if (ipp->curindex < ipp->current->num_values && ipp->current->values[ipp->curindex].collection)
1973 ipp->current->values[ipp->curindex].collection->current = NULL;
1976 ipp->prev = ipp->current;
1977 ipp->current = ipp->current->next;
1990 ipp->current = ipp->attrs;
1995 attr = ipp->current;
1997 else if (ipp->current)
1999 ipp->prev = ipp->current;
2000 attr = ipp->current->next;
2008 for (; attr != NULL; ipp->prev = attr, attr = attr->next)
2010 DEBUG_printf(("4ippFindAttribute: attr=%p, name=\"%s\"", (void *)attr, attr->name));
2012 value_tag = (ipp_tag_t)(attr->value_tag & IPP_TAG_CUPS_MASK);
2014 if (attr->name != NULL && _cups_strcasecmp(attr->name, name) == 0 &&
2015 (value_tag == type || type == IPP_TAG_ZERO || name == parent ||
2016 (value_tag == IPP_TAG_TEXTLANG && type == IPP_TAG_TEXT) ||
2017 (value_tag == IPP_TAG_NAMELANG && type == IPP_TAG_NAME)))
2019 ipp->current = attr;
2021 if (name == parent && attr->value_tag == IPP_TAG_BEGIN_COLLECTION)
2023 int i; /* Looping var */
2025 for (i = 0; i < attr->num_values; i ++)
2027 if ((childattr = ippFindAttribute(attr->values[i].collection, child, type)) != NULL)
2029 attr->values[0].collection->curindex = i;
2039 ipp->current = NULL;
2048 * 'ippFirstAttribute()' - Return the first attribute in the message.
2050 * @since CUPS 1.6/macOS 10.8@
2053 ipp_attribute_t * /* O - First attribute or @code NULL@ if none */
2054 ippFirstAttribute(ipp_t *ipp) /* I - IPP message */
2057 * Range check input...
2064 * Return the first attribute...
2067 return (ipp->current = ipp->attrs);
2072 * 'ippGetBoolean()' - Get a boolean value for an attribute.
2074 * The @code element@ parameter specifies which value to get from 0 to
2075 * @code ippGetCount(attr)@ - 1.
2077 * @since CUPS 1.6/macOS 10.8@
2080 int /* O - Boolean value or 0 on error */
2081 ippGetBoolean(ipp_attribute_t *attr, /* I - IPP attribute */
2082 int element) /* I - Value number (0-based) */
2085 * Range check input...
2088 if (!attr || attr->value_tag != IPP_TAG_BOOLEAN ||
2089 element < 0 || element >= attr->num_values)
2093 * Return the value...
2096 return (attr->values[element].boolean);
2101 * 'ippGetCollection()' - Get a collection value for an attribute.
2103 * The @code element@ parameter specifies which value to get from 0 to
2104 * @code ippGetCount(attr)@ - 1.
2106 * @since CUPS 1.6/macOS 10.8@
2109 ipp_t * /* O - Collection value or @code NULL@ on error */
2111 ipp_attribute_t *attr, /* I - IPP attribute */
2112 int element) /* I - Value number (0-based) */
2115 * Range check input...
2118 if (!attr || attr->value_tag != IPP_TAG_BEGIN_COLLECTION ||
2119 element < 0 || element >= attr->num_values)
2123 * Return the value...
2126 return (attr->values[element].collection);
2131 * 'ippGetCount()' - Get the number of values in an attribute.
2133 * @since CUPS 1.6/macOS 10.8@
2136 int /* O - Number of values or 0 on error */
2137 ippGetCount(ipp_attribute_t *attr) /* I - IPP attribute */
2140 * Range check input...
2147 * Return the number of values...
2150 return (attr->num_values);
2155 * 'ippGetDate()' - Get a dateTime value for an attribute.
2157 * The @code element@ parameter specifies which value to get from 0 to
2158 * @code ippGetCount(attr)@ - 1.
2160 * @since CUPS 1.6/macOS 10.8@
2163 const ipp_uchar_t * /* O - dateTime value or @code NULL@ */
2164 ippGetDate(ipp_attribute_t *attr, /* I - IPP attribute */
2165 int element) /* I - Value number (0-based) */
2168 * Range check input...
2171 if (!attr || attr->value_tag != IPP_TAG_DATE ||
2172 element < 0 || element >= attr->num_values)
2176 * Return the value...
2179 return (attr->values[element].date);
2184 * 'ippGetGroupTag()' - Get the group associated with an attribute.
2186 * @since CUPS 1.6/macOS 10.8@
2189 ipp_tag_t /* O - Group tag or @code IPP_TAG_ZERO@ on error */
2190 ippGetGroupTag(ipp_attribute_t *attr) /* I - IPP attribute */
2193 * Range check input...
2197 return (IPP_TAG_ZERO);
2200 * Return the group...
2203 return (attr->group_tag);
2208 * 'ippGetInteger()' - Get the integer/enum value for an attribute.
2210 * The @code element@ parameter specifies which value to get from 0 to
2211 * @code ippGetCount(attr)@ - 1.
2213 * @since CUPS 1.6/macOS 10.8@
2216 int /* O - Value or 0 on error */
2217 ippGetInteger(ipp_attribute_t *attr, /* I - IPP attribute */
2218 int element) /* I - Value number (0-based) */
2221 * Range check input...
2224 if (!attr || (attr->value_tag != IPP_TAG_INTEGER && attr->value_tag != IPP_TAG_ENUM) ||
2225 element < 0 || element >= attr->num_values)
2229 * Return the value...
2232 return (attr->values[element].integer);
2237 * 'ippGetName()' - Get the attribute name.
2239 * @since CUPS 1.6/macOS 10.8@
2242 const char * /* O - Attribute name or @code NULL@ for separators */
2243 ippGetName(ipp_attribute_t *attr) /* I - IPP attribute */
2246 * Range check input...
2253 * Return the name...
2256 return (attr->name);
2261 * 'ippGetOctetString()' - Get an octetString value from an IPP attribute.
2263 * The @code element@ parameter specifies which value to get from 0 to
2264 * @code ippGetCount(attr)@ - 1.
2266 * @since CUPS 1.7/macOS 10.9@
2269 void * /* O - Pointer to octetString data */
2271 ipp_attribute_t *attr, /* I - IPP attribute */
2272 int element, /* I - Value number (0-based) */
2273 int *datalen) /* O - Length of octetString data */
2276 * Range check input...
2279 if (!attr || attr->value_tag != IPP_TAG_STRING ||
2280 element < 0 || element >= attr->num_values)
2289 * Return the values...
2293 *datalen = attr->values[element].unknown.length;
2295 return (attr->values[element].unknown.data);
2300 * 'ippGetOperation()' - Get the operation ID in an IPP message.
2302 * @since CUPS 1.6/macOS 10.8@
2305 ipp_op_t /* O - Operation ID or 0 on error */
2306 ippGetOperation(ipp_t *ipp) /* I - IPP request message */
2309 * Range check input...
2313 return ((ipp_op_t)0);
2316 * Return the value...
2319 return (ipp->request.op.operation_id);
2324 * 'ippGetRange()' - Get a rangeOfInteger value from an attribute.
2326 * The @code element@ parameter specifies which value to get from 0 to
2327 * @code ippGetCount(attr)@ - 1.
2329 * @since CUPS 1.6/macOS 10.8@
2332 int /* O - Lower value of range or 0 */
2333 ippGetRange(ipp_attribute_t *attr, /* I - IPP attribute */
2334 int element, /* I - Value number (0-based) */
2335 int *uppervalue)/* O - Upper value of range */
2338 * Range check input...
2341 if (!attr || attr->value_tag != IPP_TAG_RANGE ||
2342 element < 0 || element >= attr->num_values)
2351 * Return the values...
2355 *uppervalue = attr->values[element].range.upper;
2357 return (attr->values[element].range.lower);
2362 * 'ippGetRequestId()' - Get the request ID from an IPP message.
2364 * @since CUPS 1.6/macOS 10.8@
2367 int /* O - Request ID or 0 on error */
2368 ippGetRequestId(ipp_t *ipp) /* I - IPP message */
2371 * Range check input...
2378 * Return the request ID...
2381 return (ipp->request.any.request_id);
2386 * 'ippGetResolution()' - Get a resolution value for an attribute.
2388 * The @code element@ parameter specifies which value to get from 0 to
2389 * @code ippGetCount(attr)@ - 1.
2391 * @since CUPS 1.6/macOS 10.8@
2394 int /* O - Horizontal/cross feed resolution or 0 */
2396 ipp_attribute_t *attr, /* I - IPP attribute */
2397 int element, /* I - Value number (0-based) */
2398 int *yres, /* O - Vertical/feed resolution */
2399 ipp_res_t *units) /* O - Units for resolution */
2402 * Range check input...
2405 if (!attr || attr->value_tag != IPP_TAG_RESOLUTION ||
2406 element < 0 || element >= attr->num_values)
2412 *units = (ipp_res_t)0;
2418 * Return the value...
2422 *yres = attr->values[element].resolution.yres;
2425 *units = attr->values[element].resolution.units;
2427 return (attr->values[element].resolution.xres);
2432 * 'ippGetState()' - Get the IPP message state.
2434 * @since CUPS 1.6/macOS 10.8@
2437 ipp_state_t /* O - IPP message state value */
2438 ippGetState(ipp_t *ipp) /* I - IPP message */
2441 * Range check input...
2445 return (IPP_STATE_IDLE);
2448 * Return the value...
2451 return (ipp->state);
2456 * 'ippGetStatusCode()' - Get the status code from an IPP response or event message.
2458 * @since CUPS 1.6/macOS 10.8@
2461 ipp_status_t /* O - Status code in IPP message */
2462 ippGetStatusCode(ipp_t *ipp) /* I - IPP response or event message */
2465 * Range check input...
2469 return (IPP_STATUS_ERROR_INTERNAL);
2472 * Return the value...
2475 return (ipp->request.status.status_code);
2480 * 'ippGetString()' - Get the string and optionally the language code for an attribute.
2482 * The @code element@ parameter specifies which value to get from 0 to
2483 * @code ippGetCount(attr)@ - 1.
2485 * @since CUPS 1.6/macOS 10.8@
2489 ippGetString(ipp_attribute_t *attr, /* I - IPP attribute */
2490 int element, /* I - Value number (0-based) */
2491 const char **language)/* O - Language code (@code NULL@ for don't care) */
2493 ipp_tag_t tag; /* Value tag */
2497 * Range check input...
2500 tag = ippGetValueTag(attr);
2502 if (!attr || element < 0 || element >= attr->num_values || (tag != IPP_TAG_TEXTLANG && tag != IPP_TAG_NAMELANG && (tag < IPP_TAG_TEXT || tag > IPP_TAG_MIMETYPE)))
2506 * Return the value...
2510 *language = attr->values[element].string.language;
2512 return (attr->values[element].string.text);
2517 * 'ippGetValueTag()' - Get the value tag for an attribute.
2519 * @since CUPS 1.6/macOS 10.8@
2522 ipp_tag_t /* O - Value tag or @code IPP_TAG_ZERO@ on error */
2523 ippGetValueTag(ipp_attribute_t *attr) /* I - IPP attribute */
2526 * Range check input...
2530 return (IPP_TAG_ZERO);
2533 * Return the value...
2536 return (attr->value_tag & IPP_TAG_CUPS_MASK);
2541 * 'ippGetVersion()' - Get the major and minor version number from an IPP message.
2543 * @since CUPS 1.6/macOS 10.8@
2546 int /* O - Major version number or 0 on error */
2547 ippGetVersion(ipp_t *ipp, /* I - IPP message */
2548 int *minor) /* O - Minor version number or @code NULL@ for don't care */
2551 * Range check input...
2563 * Return the value...
2567 *minor = ipp->request.any.version[1];
2569 return (ipp->request.any.version[0]);
2574 * 'ippLength()' - Compute the length of an IPP message.
2577 size_t /* O - Size of IPP message */
2578 ippLength(ipp_t *ipp) /* I - IPP message */
2580 return (ipp_length(ipp, 0));
2585 * 'ippNextAttribute()' - Return the next attribute in the message.
2587 * @since CUPS 1.6/macOS 10.8@
2590 ipp_attribute_t * /* O - Next attribute or @code NULL@ if none */
2591 ippNextAttribute(ipp_t *ipp) /* I - IPP message */
2594 * Range check input...
2597 if (!ipp || !ipp->current)
2601 * Return the next attribute...
2604 return (ipp->current = ipp->current->next);
2609 * 'ippNew()' - Allocate a new IPP message.
2612 ipp_t * /* O - New IPP message */
2615 ipp_t *temp; /* New IPP message */
2616 _cups_globals_t *cg = _cupsGlobals();
2620 DEBUG_puts("ippNew()");
2622 if ((temp = (ipp_t *)calloc(1, sizeof(ipp_t))) != NULL)
2625 * Set default version - usually 2.0...
2628 DEBUG_printf(("4debug_alloc: %p IPP message", (void *)temp));
2630 if (cg->server_version == 0)
2633 temp->request.any.version[0] = (ipp_uchar_t)(cg->server_version / 10);
2634 temp->request.any.version[1] = (ipp_uchar_t)(cg->server_version % 10);
2638 DEBUG_printf(("1ippNew: Returning %p", (void *)temp));
2645 * 'ippNewRequest()' - Allocate a new IPP request message.
2647 * The new request message is initialized with the "attributes-charset" and
2648 * "attributes-natural-language" attributes added. The
2649 * "attributes-natural-language" value is derived from the current locale.
2651 * @since CUPS 1.2/macOS 10.5@
2654 ipp_t * /* O - IPP request message */
2655 ippNewRequest(ipp_op_t op) /* I - Operation code */
2657 ipp_t *request; /* IPP request message */
2658 cups_lang_t *language; /* Current language localization */
2659 static int request_id = 0; /* Current request ID */
2660 static _cups_mutex_t request_mutex = _CUPS_MUTEX_INITIALIZER;
2661 /* Mutex for request ID */
2664 DEBUG_printf(("ippNewRequest(op=%02x(%s))", op, ippOpString(op)));
2667 * Create a new IPP message...
2670 if ((request = ippNew()) == NULL)
2674 * Set the operation and request ID...
2677 _cupsMutexLock(&request_mutex);
2679 request->request.op.operation_id = op;
2680 request->request.op.request_id = ++request_id;
2682 _cupsMutexUnlock(&request_mutex);
2685 * Use UTF-8 as the character set...
2688 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
2689 "attributes-charset", NULL, "utf-8");
2692 * Get the language from the current locale...
2695 language = cupsLangDefault();
2697 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
2698 "attributes-natural-language", NULL, language->language);
2701 * Return the new request...
2709 * 'ippNewResponse()' - Allocate a new IPP response message.
2711 * The new response message is initialized with the same "version-number",
2712 * "request-id", "attributes-charset", and "attributes-natural-language" as the
2713 * provided request message. If the "attributes-charset" or
2714 * "attributes-natural-language" attributes are missing from the request,
2715 * 'utf-8' and a value derived from the current locale are substituted,
2718 * @since CUPS 1.7/macOS 10.9@
2721 ipp_t * /* O - IPP response message */
2722 ippNewResponse(ipp_t *request) /* I - IPP request message */
2724 ipp_t *response; /* IPP response message */
2725 ipp_attribute_t *attr; /* Current attribute */
2729 * Range check input...
2736 * Create a new IPP message...
2739 if ((response = ippNew()) == NULL)
2743 * Copy the request values over to the response...
2746 response->request.status.version[0] = request->request.op.version[0];
2747 response->request.status.version[1] = request->request.op.version[1];
2748 response->request.status.request_id = request->request.op.request_id;
2751 * The first attribute MUST be attributes-charset...
2754 attr = request->attrs;
2756 if (attr && attr->name && !strcmp(attr->name, "attributes-charset") &&
2757 attr->group_tag == IPP_TAG_OPERATION &&
2758 attr->value_tag == IPP_TAG_CHARSET &&
2759 attr->num_values == 1)
2762 * Copy charset from request...
2765 ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
2766 "attributes-charset", NULL, attr->values[0].string.text);
2771 * Use "utf-8" as the default...
2774 ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
2775 "attributes-charset", NULL, "utf-8");
2779 * Then attributes-natural-language...
2785 if (attr && attr->name &&
2786 !strcmp(attr->name, "attributes-natural-language") &&
2787 attr->group_tag == IPP_TAG_OPERATION &&
2788 attr->value_tag == IPP_TAG_LANGUAGE &&
2789 attr->num_values == 1)
2792 * Copy language from request...
2795 ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
2796 "attributes-natural-language", NULL,
2797 attr->values[0].string.text);
2802 * Use the language from the current locale...
2805 cups_lang_t *language = cupsLangDefault();
2806 /* Current locale */
2808 ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
2809 "attributes-natural-language", NULL, language->language);
2817 * 'ippRead()' - Read data for an IPP message from a HTTP connection.
2820 ipp_state_t /* O - Current state */
2821 ippRead(http_t *http, /* I - HTTP connection */
2822 ipp_t *ipp) /* I - IPP data */
2824 DEBUG_printf(("ippRead(http=%p, ipp=%p), data_remaining=" CUPS_LLFMT, (void *)http, (void *)ipp, CUPS_LLCAST (http ? http->data_remaining : -1)));
2827 return (IPP_STATE_ERROR);
2829 DEBUG_printf(("2ippRead: http->state=%d, http->used=%d", http->state, http->used));
2831 return (ippReadIO(http, (ipp_iocb_t)ipp_read_http, http->blocking, NULL,
2837 * 'ippReadFile()' - Read data for an IPP message from a file.
2839 * @since CUPS 1.1.19/macOS 10.3@
2842 ipp_state_t /* O - Current state */
2843 ippReadFile(int fd, /* I - HTTP data */
2844 ipp_t *ipp) /* I - IPP data */
2846 DEBUG_printf(("ippReadFile(fd=%d, ipp=%p)", fd, (void *)ipp));
2848 return (ippReadIO(&fd, (ipp_iocb_t)ipp_read_file, 1, NULL, ipp));
2853 * 'ippReadIO()' - Read data for an IPP message.
2855 * @since CUPS 1.2/macOS 10.5@
2858 ipp_state_t /* O - Current state */
2859 ippReadIO(void *src, /* I - Data source */
2860 ipp_iocb_t cb, /* I - Read callback function */
2861 int blocking, /* I - Use blocking IO? */
2862 ipp_t *parent, /* I - Parent request, if any */
2863 ipp_t *ipp) /* I - IPP data */
2865 int n; /* Length of data */
2866 unsigned char *buffer, /* Data buffer */
2867 string[IPP_MAX_TEXT],
2868 /* Small string buffer */
2869 *bufptr; /* Pointer into buffer */
2870 ipp_attribute_t *attr; /* Current attribute */
2871 ipp_tag_t tag; /* Current tag */
2872 ipp_tag_t value_tag; /* Current value tag */
2873 _ipp_value_t *value; /* Current value */
2876 DEBUG_printf(("ippReadIO(src=%p, cb=%p, blocking=%d, parent=%p, ipp=%p)", (void *)src, (void *)cb, blocking, (void *)parent, (void *)ipp));
2877 DEBUG_printf(("2ippReadIO: ipp->state=%d", ipp ? ipp->state : IPP_STATE_ERROR));
2880 return (IPP_STATE_ERROR);
2882 if ((buffer = (unsigned char *)_cupsBufferGet(IPP_BUF_SIZE)) == NULL)
2884 DEBUG_puts("1ippReadIO: Unable to get read buffer.");
2885 return (IPP_STATE_ERROR);
2890 case IPP_STATE_IDLE :
2891 ipp->state ++; /* Avoid common problem... */
2893 case IPP_STATE_HEADER :
2897 * Get the request header...
2900 if ((*cb)(src, buffer, 8) < 8)
2902 DEBUG_puts("1ippReadIO: Unable to read header.");
2903 _cupsBufferRelease((char *)buffer);
2904 return (IPP_STATE_ERROR);
2908 * Then copy the request header over...
2911 ipp->request.any.version[0] = buffer[0];
2912 ipp->request.any.version[1] = buffer[1];
2913 ipp->request.any.op_status = (buffer[2] << 8) | buffer[3];
2914 ipp->request.any.request_id = (((((buffer[4] << 8) | buffer[5]) << 8) |
2915 buffer[6]) << 8) | buffer[7];
2917 DEBUG_printf(("2ippReadIO: version=%d.%d", buffer[0], buffer[1]));
2918 DEBUG_printf(("2ippReadIO: op_status=%04x",
2919 ipp->request.any.op_status));
2920 DEBUG_printf(("2ippReadIO: request_id=%d",
2921 ipp->request.any.request_id));
2924 ipp->state = IPP_STATE_ATTRIBUTE;
2925 ipp->current = NULL;
2926 ipp->curtag = IPP_TAG_ZERO;
2927 ipp->prev = ipp->last;
2930 * If blocking is disabled, stop here...
2936 case IPP_STATE_ATTRIBUTE :
2939 if ((*cb)(src, buffer, 1) < 1)
2941 DEBUG_puts("1ippReadIO: Callback returned EOF/error");
2942 _cupsBufferRelease((char *)buffer);
2943 return (IPP_STATE_ERROR);
2946 DEBUG_printf(("2ippReadIO: ipp->current=%p, ipp->prev=%p", (void *)ipp->current, (void *)ipp->prev));
2949 * Read this attribute...
2952 tag = (ipp_tag_t)buffer[0];
2953 if (tag == IPP_TAG_EXTENSION)
2956 * Read 32-bit "extension" tag...
2959 if ((*cb)(src, buffer, 4) < 4)
2961 DEBUG_puts("1ippReadIO: Callback returned EOF/error");
2962 _cupsBufferRelease((char *)buffer);
2963 return (IPP_STATE_ERROR);
2966 tag = (ipp_tag_t)((((((buffer[0] << 8) | buffer[1]) << 8) |
2967 buffer[2]) << 8) | buffer[3]);
2969 if (tag & IPP_TAG_CUPS_CONST)
2972 * Fail if the high bit is set in the tag...
2975 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP extension tag larger than 0x7FFFFFFF."), 1);
2976 DEBUG_printf(("1ippReadIO: bad tag 0x%x.", tag));
2977 _cupsBufferRelease((char *)buffer);
2978 return (IPP_STATE_ERROR);
2982 if (tag == IPP_TAG_END)
2985 * No more attributes left...
2988 DEBUG_puts("2ippReadIO: IPP_TAG_END.");
2990 ipp->state = IPP_STATE_DATA;
2993 else if (tag == IPP_TAG_ZERO || (tag == IPP_TAG_OPERATION && ipp->curtag != IPP_TAG_ZERO))
2995 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Invalid group tag."), 1);
2996 DEBUG_printf(("1ippReadIO: bad tag 0x%02x.", tag));
2997 _cupsBufferRelease((char *)buffer);
2998 return (IPP_STATE_ERROR);
3000 else if (tag < IPP_TAG_UNSUPPORTED_VALUE)
3003 * Group tag... Set the current group and continue...
3006 if (ipp->curtag == tag)
3007 ipp->prev = ippAddSeparator(ipp);
3008 else if (ipp->current)
3009 ipp->prev = ipp->current;
3012 ipp->current = NULL;
3013 DEBUG_printf(("2ippReadIO: group tag=%x(%s), ipp->prev=%p", tag, ippTagString(tag), (void *)ipp->prev));
3017 DEBUG_printf(("2ippReadIO: value tag=%x(%s)", tag,
3018 ippTagString(tag)));
3024 if ((*cb)(src, buffer, 2) < 2)
3026 DEBUG_puts("1ippReadIO: unable to read name length.");
3027 _cupsBufferRelease((char *)buffer);
3028 return (IPP_STATE_ERROR);
3031 n = (buffer[0] << 8) | buffer[1];
3033 if (n >= IPP_BUF_SIZE)
3035 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP name larger than 32767 bytes."), 1);
3036 DEBUG_printf(("1ippReadIO: bad name length %d.", n));
3037 _cupsBufferRelease((char *)buffer);
3038 return (IPP_STATE_ERROR);
3041 DEBUG_printf(("2ippReadIO: name length=%d", n));
3045 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Invalid named IPP attribute in collection."), 1);
3046 DEBUG_puts("1ippReadIO: bad attribute name in collection.");
3047 return (IPP_STATE_ERROR);
3049 else if (n == 0 && tag != IPP_TAG_MEMBERNAME && tag != IPP_TAG_END_COLLECTION)
3052 * More values for current attribute...
3055 if (ipp->current == NULL)
3057 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP attribute has no name."), 1);
3058 DEBUG_puts("1ippReadIO: Attribute without name and no current.");
3059 _cupsBufferRelease((char *)buffer);
3060 return (IPP_STATE_ERROR);
3063 attr = ipp->current;
3064 value_tag = (ipp_tag_t)(attr->value_tag & IPP_TAG_CUPS_MASK);
3067 * Make sure we aren't adding a new value of a different
3071 if (value_tag == IPP_TAG_ZERO)
3074 * Setting the value of a collection member...
3077 attr->value_tag = tag;
3079 else if (value_tag == IPP_TAG_TEXTLANG ||
3080 value_tag == IPP_TAG_NAMELANG ||
3081 (value_tag >= IPP_TAG_TEXT &&
3082 value_tag <= IPP_TAG_MIMETYPE))
3085 * String values can sometimes come across in different
3086 * forms; accept sets of differing values...
3089 if (tag != IPP_TAG_TEXTLANG && tag != IPP_TAG_NAMELANG &&
3090 (tag < IPP_TAG_TEXT || tag > IPP_TAG_MIMETYPE) &&
3091 tag != IPP_TAG_NOVALUE)
3093 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3094 _("IPP 1setOf attribute with incompatible value "
3096 DEBUG_printf(("1ippReadIO: 1setOf value tag %x(%s) != %x(%s)",
3097 value_tag, ippTagString(value_tag), tag,
3098 ippTagString(tag)));
3099 _cupsBufferRelease((char *)buffer);
3100 return (IPP_STATE_ERROR);
3103 if (value_tag != tag)
3105 DEBUG_printf(("1ippReadIO: Converting %s attribute from %s to %s.",
3106 attr->name, ippTagString(value_tag), ippTagString(tag)));
3107 ippSetValueTag(ipp, &attr, tag);
3110 else if (value_tag == IPP_TAG_INTEGER ||
3111 value_tag == IPP_TAG_RANGE)
3114 * Integer and rangeOfInteger values can sometimes be mixed; accept
3115 * sets of differing values...
3118 if (tag != IPP_TAG_INTEGER && tag != IPP_TAG_RANGE)
3120 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3121 _("IPP 1setOf attribute with incompatible value "
3123 DEBUG_printf(("1ippReadIO: 1setOf value tag %x(%s) != %x(%s)",
3124 value_tag, ippTagString(value_tag), tag,
3125 ippTagString(tag)));
3126 _cupsBufferRelease((char *)buffer);
3127 return (IPP_STATE_ERROR);
3130 if (value_tag == IPP_TAG_INTEGER && tag == IPP_TAG_RANGE)
3133 * Convert integer values to rangeOfInteger values...
3136 DEBUG_printf(("1ippReadIO: Converting %s attribute to "
3137 "rangeOfInteger.", attr->name));
3138 ippSetValueTag(ipp, &attr, IPP_TAG_RANGE);
3141 else if (value_tag != tag)
3143 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3144 _("IPP 1setOf attribute with incompatible value "
3146 DEBUG_printf(("1ippReadIO: value tag %x(%s) != %x(%s)",
3147 value_tag, ippTagString(value_tag), tag,
3148 ippTagString(tag)));
3149 _cupsBufferRelease((char *)buffer);
3150 return (IPP_STATE_ERROR);
3154 * Finally, reallocate the attribute array as needed...
3157 if ((value = ipp_set_value(ipp, &attr, attr->num_values)) == NULL)
3159 _cupsBufferRelease((char *)buffer);
3160 return (IPP_STATE_ERROR);
3163 else if (tag == IPP_TAG_MEMBERNAME)
3166 * Name must be length 0!
3171 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP member name is not empty."), 1);
3172 DEBUG_puts("1ippReadIO: member name not empty.");
3173 _cupsBufferRelease((char *)buffer);
3174 return (IPP_STATE_ERROR);
3178 ipp->prev = ipp->current;
3180 attr = ipp->current = ipp_add_attr(ipp, NULL, ipp->curtag, IPP_TAG_ZERO, 1);
3183 _cupsSetHTTPError(HTTP_STATUS_ERROR);
3184 DEBUG_puts("1ippReadIO: unable to allocate attribute.");
3185 _cupsBufferRelease((char *)buffer);
3186 return (IPP_STATE_ERROR);
3189 DEBUG_printf(("2ippReadIO: membername, ipp->current=%p, ipp->prev=%p", (void *)ipp->current, (void *)ipp->prev));
3191 value = attr->values;
3193 else if (tag != IPP_TAG_END_COLLECTION)
3196 * New attribute; read the name and add it...
3199 if ((*cb)(src, buffer, (size_t)n) < n)
3201 DEBUG_puts("1ippReadIO: unable to read name.");
3202 _cupsBufferRelease((char *)buffer);
3203 return (IPP_STATE_ERROR);
3209 ipp->prev = ipp->current;
3211 if ((attr = ipp->current = ipp_add_attr(ipp, (char *)buffer, ipp->curtag, tag,
3214 _cupsSetHTTPError(HTTP_STATUS_ERROR);
3215 DEBUG_puts("1ippReadIO: unable to allocate attribute.");
3216 _cupsBufferRelease((char *)buffer);
3217 return (IPP_STATE_ERROR);
3220 DEBUG_printf(("2ippReadIO: name=\"%s\", ipp->current=%p, ipp->prev=%p", buffer, (void *)ipp->current, (void *)ipp->prev));
3222 value = attr->values;
3230 if ((*cb)(src, buffer, 2) < 2)
3232 DEBUG_puts("1ippReadIO: unable to read value length.");
3233 _cupsBufferRelease((char *)buffer);
3234 return (IPP_STATE_ERROR);
3237 n = (buffer[0] << 8) | buffer[1];
3238 DEBUG_printf(("2ippReadIO: value length=%d", n));
3240 if (n >= IPP_BUF_SIZE)
3242 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3243 _("IPP value larger than 32767 bytes."), 1);
3244 DEBUG_printf(("1ippReadIO: bad value length %d.", n));
3245 _cupsBufferRelease((char *)buffer);
3246 return (IPP_STATE_ERROR);
3251 case IPP_TAG_INTEGER :
3255 if (tag == IPP_TAG_INTEGER)
3256 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3257 _("IPP integer value not 4 bytes."), 1);
3259 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3260 _("IPP enum value not 4 bytes."), 1);
3261 DEBUG_printf(("1ippReadIO: bad integer value length %d.", n));
3262 _cupsBufferRelease((char *)buffer);
3263 return (IPP_STATE_ERROR);
3266 if ((*cb)(src, buffer, 4) < 4)
3268 DEBUG_puts("1ippReadIO: Unable to read integer value.");
3269 _cupsBufferRelease((char *)buffer);
3270 return (IPP_STATE_ERROR);
3273 n = (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) |
3276 if (attr->value_tag == IPP_TAG_RANGE)
3277 value->range.lower = value->range.upper = n;
3282 case IPP_TAG_BOOLEAN :
3285 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP boolean value not 1 byte."),
3287 DEBUG_printf(("1ippReadIO: bad boolean value length %d.", n));
3288 _cupsBufferRelease((char *)buffer);
3289 return (IPP_STATE_ERROR);
3292 if ((*cb)(src, buffer, 1) < 1)
3294 DEBUG_puts("1ippReadIO: Unable to read boolean value.");
3295 _cupsBufferRelease((char *)buffer);
3296 return (IPP_STATE_ERROR);
3299 value->boolean = (char)buffer[0];
3302 case IPP_TAG_UNSUPPORTED_VALUE :
3303 case IPP_TAG_DEFAULT :
3304 case IPP_TAG_UNKNOWN :
3305 case IPP_TAG_NOVALUE :
3306 case IPP_TAG_NOTSETTABLE :
3307 case IPP_TAG_DELETEATTR :
3308 case IPP_TAG_ADMINDEFINE :
3310 * These value types are not supposed to have values, however
3311 * some vendors (Brother) do not implement IPP correctly and so
3312 * we need to map non-empty values to text...
3315 if (attr->value_tag == tag)
3320 attr->value_tag = IPP_TAG_TEXT;
3325 case IPP_TAG_RESERVED_STRING :
3326 case IPP_TAG_KEYWORD :
3328 case IPP_TAG_URISCHEME :
3329 case IPP_TAG_CHARSET :
3330 case IPP_TAG_LANGUAGE :
3331 case IPP_TAG_MIMETYPE :
3334 if ((*cb)(src, buffer, (size_t)n) < n)
3336 DEBUG_puts("1ippReadIO: unable to read string value.");
3337 _cupsBufferRelease((char *)buffer);
3338 return (IPP_STATE_ERROR);
3343 value->string.text = _cupsStrAlloc((char *)buffer);
3344 DEBUG_printf(("2ippReadIO: value=\"%s\"", value->string.text));
3350 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP date value not 11 bytes."), 1);
3351 DEBUG_printf(("1ippReadIO: bad date value length %d.", n));
3352 _cupsBufferRelease((char *)buffer);
3353 return (IPP_STATE_ERROR);
3356 if ((*cb)(src, value->date, 11) < 11)
3358 DEBUG_puts("1ippReadIO: Unable to read date value.");
3359 _cupsBufferRelease((char *)buffer);
3360 return (IPP_STATE_ERROR);
3364 case IPP_TAG_RESOLUTION :
3367 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3368 _("IPP resolution value not 9 bytes."), 1);
3369 DEBUG_printf(("1ippReadIO: bad resolution value length %d.", n));
3370 _cupsBufferRelease((char *)buffer);
3371 return (IPP_STATE_ERROR);
3374 if ((*cb)(src, buffer, 9) < 9)
3376 DEBUG_puts("1ippReadIO: Unable to read resolution value.");
3377 _cupsBufferRelease((char *)buffer);
3378 return (IPP_STATE_ERROR);
3381 value->resolution.xres =
3382 (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) |
3384 value->resolution.yres =
3385 (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) |
3387 value->resolution.units =
3388 (ipp_res_t)buffer[8];
3391 case IPP_TAG_RANGE :
3394 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3395 _("IPP rangeOfInteger value not 8 bytes."), 1);
3396 DEBUG_printf(("1ippReadIO: bad rangeOfInteger value length "
3398 _cupsBufferRelease((char *)buffer);
3399 return (IPP_STATE_ERROR);
3402 if ((*cb)(src, buffer, 8) < 8)
3404 DEBUG_puts("1ippReadIO: Unable to read range value.");
3405 _cupsBufferRelease((char *)buffer);
3406 return (IPP_STATE_ERROR);
3409 value->range.lower =
3410 (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) |
3412 value->range.upper =
3413 (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) |
3417 case IPP_TAG_TEXTLANG :
3418 case IPP_TAG_NAMELANG :
3421 if (tag == IPP_TAG_TEXTLANG)
3422 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3423 _("IPP textWithLanguage value less than "
3424 "minimum 4 bytes."), 1);
3426 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3427 _("IPP nameWithLanguage value less than "
3428 "minimum 4 bytes."), 1);
3429 DEBUG_printf(("1ippReadIO: bad stringWithLanguage value "
3431 _cupsBufferRelease((char *)buffer);
3432 return (IPP_STATE_ERROR);
3435 if ((*cb)(src, buffer, (size_t)n) < n)
3437 DEBUG_puts("1ippReadIO: Unable to read string w/language "
3439 _cupsBufferRelease((char *)buffer);
3440 return (IPP_STATE_ERROR);
3446 * text-with-language and name-with-language are composite
3455 n = (bufptr[0] << 8) | bufptr[1];
3457 if ((bufptr + 2 + n) >= (buffer + IPP_BUF_SIZE) || n >= (int)sizeof(string))
3459 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3460 _("IPP language length overflows value."), 1);
3461 DEBUG_printf(("1ippReadIO: bad language value length %d.",
3463 _cupsBufferRelease((char *)buffer);
3464 return (IPP_STATE_ERROR);
3466 else if (n >= IPP_MAX_LANGUAGE)
3468 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3469 _("IPP language length too large."), 1);
3470 DEBUG_printf(("1ippReadIO: bad language value length %d.",
3472 _cupsBufferRelease((char *)buffer);
3473 return (IPP_STATE_ERROR);
3476 memcpy(string, bufptr + 2, (size_t)n);
3479 value->string.language = _cupsStrAlloc((char *)string);
3482 n = (bufptr[0] << 8) | bufptr[1];
3484 if ((bufptr + 2 + n) >= (buffer + IPP_BUF_SIZE))
3486 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3487 _("IPP string length overflows value."), 1);
3488 DEBUG_printf(("1ippReadIO: bad string value length %d.", n));
3489 _cupsBufferRelease((char *)buffer);
3490 return (IPP_STATE_ERROR);
3493 bufptr[2 + n] = '\0';
3494 value->string.text = _cupsStrAlloc((char *)bufptr + 2);
3497 case IPP_TAG_BEGIN_COLLECTION :
3499 * Oh, boy, here comes a collection value, so read it...
3502 value->collection = ippNew();
3506 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3507 _("IPP begCollection value not 0 bytes."), 1);
3508 DEBUG_puts("1ippReadIO: begCollection tag with value length "
3510 _cupsBufferRelease((char *)buffer);
3511 return (IPP_STATE_ERROR);
3514 if (ippReadIO(src, cb, 1, ipp, value->collection) == IPP_STATE_ERROR)
3516 DEBUG_puts("1ippReadIO: Unable to read collection value.");
3517 _cupsBufferRelease((char *)buffer);
3518 return (IPP_STATE_ERROR);
3522 case IPP_TAG_END_COLLECTION :
3523 _cupsBufferRelease((char *)buffer);
3527 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3528 _("IPP endCollection value not 0 bytes."), 1);
3529 DEBUG_puts("1ippReadIO: endCollection tag with value length "
3531 return (IPP_STATE_ERROR);
3534 DEBUG_puts("1ippReadIO: endCollection tag...");
3535 return (ipp->state = IPP_STATE_DATA);
3537 case IPP_TAG_MEMBERNAME :
3539 * The value the name of the member in the collection, which
3540 * we need to carry over...
3545 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3546 _("IPP memberName with no attribute."), 1);
3547 DEBUG_puts("1ippReadIO: Member name without attribute.");
3548 _cupsBufferRelease((char *)buffer);
3549 return (IPP_STATE_ERROR);
3553 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3554 _("IPP memberName value is empty."), 1);
3555 DEBUG_puts("1ippReadIO: Empty member name value.");
3556 _cupsBufferRelease((char *)buffer);
3557 return (IPP_STATE_ERROR);
3559 else if ((*cb)(src, buffer, (size_t)n) < n)
3561 DEBUG_puts("1ippReadIO: Unable to read member name value.");
3562 _cupsBufferRelease((char *)buffer);
3563 return (IPP_STATE_ERROR);
3567 attr->name = _cupsStrAlloc((char *)buffer);
3570 * Since collection members are encoded differently than
3571 * regular attributes, make sure we don't start with an
3575 attr->num_values --;
3577 DEBUG_printf(("2ippReadIO: member name=\"%s\"", attr->name));
3580 case IPP_TAG_STRING :
3581 default : /* Other unsupported values */
3582 if (tag == IPP_TAG_STRING && n > IPP_MAX_LENGTH)
3584 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
3585 _("IPP octetString length too large."), 1);
3586 DEBUG_printf(("1ippReadIO: bad octetString value length %d.",
3588 _cupsBufferRelease((char *)buffer);
3589 return (IPP_STATE_ERROR);
3592 value->unknown.length = n;
3596 if ((value->unknown.data = malloc((size_t)n)) == NULL)
3598 _cupsSetHTTPError(HTTP_STATUS_ERROR);
3599 DEBUG_puts("1ippReadIO: Unable to allocate value");
3600 _cupsBufferRelease((char *)buffer);
3601 return (IPP_STATE_ERROR);
3604 if ((*cb)(src, value->unknown.data, (size_t)n) < n)
3606 DEBUG_puts("1ippReadIO: Unable to read unsupported value.");
3607 _cupsBufferRelease((char *)buffer);
3608 return (IPP_STATE_ERROR);
3612 value->unknown.data = NULL;
3617 * If blocking is disabled, stop here...
3625 case IPP_STATE_DATA :
3629 break; /* anti-compiler-warning-code */
3632 DEBUG_printf(("1ippReadIO: returning ipp->state=%d.", ipp->state));
3633 _cupsBufferRelease((char *)buffer);
3635 return (ipp->state);
3640 * 'ippSetBoolean()' - Set a boolean value in an attribute.
3642 * The @code ipp@ parameter refers to an IPP message previously created using
3643 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
3645 * The @code attr@ parameter may be modified as a result of setting the value.
3647 * The @code element@ parameter specifies which value to set from 0 to
3648 * @code ippGetCount(attr)@.
3650 * @since CUPS 1.6/macOS 10.8@
3653 int /* O - 1 on success, 0 on failure */
3654 ippSetBoolean(ipp_t *ipp, /* I - IPP message */
3655 ipp_attribute_t **attr, /* IO - IPP attribute */
3656 int element, /* I - Value number (0-based) */
3657 int boolvalue)/* I - Boolean value */
3659 _ipp_value_t *value; /* Current value */
3663 * Range check input...
3666 if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_BOOLEAN ||
3667 element < 0 || element > (*attr)->num_values)
3671 * Set the value and return...
3674 if ((value = ipp_set_value(ipp, attr, element)) != NULL)
3675 value->boolean = (char)boolvalue;
3677 return (value != NULL);
3682 * 'ippSetCollection()' - Set a collection value in an attribute.
3684 * The @code ipp@ parameter refers to an IPP message previously created using
3685 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
3687 * The @code attr@ parameter may be modified as a result of setting the value.
3689 * The @code element@ parameter specifies which value to set from 0 to
3690 * @code ippGetCount(attr)@.
3692 * @since CUPS 1.6/macOS 10.8@
3695 int /* O - 1 on success, 0 on failure */
3697 ipp_t *ipp, /* I - IPP message */
3698 ipp_attribute_t **attr, /* IO - IPP attribute */
3699 int element, /* I - Value number (0-based) */
3700 ipp_t *colvalue) /* I - Collection value */
3702 _ipp_value_t *value; /* Current value */
3706 * Range check input...
3709 if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_BEGIN_COLLECTION ||
3710 element < 0 || element > (*attr)->num_values || !colvalue)
3714 * Set the value and return...
3717 if ((value = ipp_set_value(ipp, attr, element)) != NULL)
3719 if (value->collection)
3720 ippDelete(value->collection);
3722 value->collection = colvalue;
3726 return (value != NULL);
3731 * 'ippSetDate()' - Set a dateTime value in an attribute.
3733 * The @code ipp@ parameter refers to an IPP message previously created using
3734 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
3736 * The @code attr@ parameter may be modified as a result of setting the value.
3738 * The @code element@ parameter specifies which value to set from 0 to
3739 * @code ippGetCount(attr)@.
3741 * @since CUPS 1.6/macOS 10.8@
3744 int /* O - 1 on success, 0 on failure */
3745 ippSetDate(ipp_t *ipp, /* I - IPP message */
3746 ipp_attribute_t **attr, /* IO - IPP attribute */
3747 int element, /* I - Value number (0-based) */
3748 const ipp_uchar_t *datevalue)/* I - dateTime value */
3750 _ipp_value_t *value; /* Current value */
3754 * Range check input...
3757 if (!ipp || !attr || !*attr || ((*attr)->value_tag != IPP_TAG_DATE && (*attr)->value_tag != IPP_TAG_NOVALUE && (*attr)->value_tag != IPP_TAG_UNKNOWN) || element < 0 || element > (*attr)->num_values || !datevalue)
3761 * Set the value and return...
3764 if ((value = ipp_set_value(ipp, attr, element)) != NULL)
3765 memcpy(value->date, datevalue, sizeof(value->date));
3767 return (value != NULL);
3772 * 'ippSetGroupTag()' - Set the group tag of an attribute.
3774 * The @code ipp@ parameter refers to an IPP message previously created using
3775 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
3777 * The @code attr@ parameter may be modified as a result of setting the value.
3779 * The @code group@ parameter specifies the IPP attribute group tag: none
3780 * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@),
3781 * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation
3782 * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription
3783 * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@).
3785 * @since CUPS 1.6/macOS 10.8@
3788 int /* O - 1 on success, 0 on failure */
3790 ipp_t *ipp, /* I - IPP message */
3791 ipp_attribute_t **attr, /* IO - Attribute */
3792 ipp_tag_t group_tag) /* I - Group tag */
3795 * Range check input - group tag must be 0x01 to 0x0F, per RFC 8011...
3798 if (!ipp || !attr || !*attr ||
3799 group_tag < IPP_TAG_ZERO || group_tag == IPP_TAG_END ||
3800 group_tag >= IPP_TAG_UNSUPPORTED_VALUE)
3804 * Set the group tag and return...
3807 (*attr)->group_tag = group_tag;
3814 * 'ippSetInteger()' - Set an integer or enum value in an attribute.
3816 * The @code ipp@ parameter refers to an IPP message previously created using
3817 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
3819 * The @code attr@ parameter may be modified as a result of setting the value.
3821 * The @code element@ parameter specifies which value to set from 0 to
3822 * @code ippGetCount(attr)@.
3824 * @since CUPS 1.6/macOS 10.8@
3827 int /* O - 1 on success, 0 on failure */
3828 ippSetInteger(ipp_t *ipp, /* I - IPP message */
3829 ipp_attribute_t **attr, /* IO - IPP attribute */
3830 int element, /* I - Value number (0-based) */
3831 int intvalue) /* I - Integer/enum value */
3833 _ipp_value_t *value; /* Current value */
3837 * Range check input...
3840 if (!ipp || !attr || !*attr || ((*attr)->value_tag != IPP_TAG_INTEGER && (*attr)->value_tag != IPP_TAG_ENUM && (*attr)->value_tag != IPP_TAG_NOVALUE && (*attr)->value_tag != IPP_TAG_UNKNOWN) || element < 0 || element > (*attr)->num_values)
3844 * Set the value and return...
3847 if ((value = ipp_set_value(ipp, attr, element)) != NULL)
3849 if ((*attr)->value_tag != IPP_TAG_ENUM)
3850 (*attr)->value_tag = IPP_TAG_INTEGER;
3852 value->integer = intvalue;
3855 return (value != NULL);
3860 * 'ippSetName()' - Set the name of an attribute.
3862 * The @code ipp@ parameter refers to an IPP message previously created using
3863 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
3865 * The @code attr@ parameter may be modified as a result of setting the value.
3867 * @since CUPS 1.6/macOS 10.8@
3870 int /* O - 1 on success, 0 on failure */
3871 ippSetName(ipp_t *ipp, /* I - IPP message */
3872 ipp_attribute_t **attr, /* IO - IPP attribute */
3873 const char *name) /* I - Attribute name */
3875 char *temp; /* Temporary name value */
3879 * Range check input...
3882 if (!ipp || !attr || !*attr)
3886 * Set the value and return...
3889 if ((temp = _cupsStrAlloc(name)) != NULL)
3892 _cupsStrFree((*attr)->name);
3894 (*attr)->name = temp;
3897 return (temp != NULL);
3902 * 'ippSetOctetString()' - Set an octetString value in an IPP attribute.
3904 * The @code ipp@ parameter refers to an IPP message previously created using
3905 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
3907 * The @code attr@ parameter may be modified as a result of setting the value.
3909 * The @code element@ parameter specifies which value to set from 0 to
3910 * @code ippGetCount(attr)@.
3912 * @since CUPS 1.7/macOS 10.9@
3915 int /* O - 1 on success, 0 on failure */
3917 ipp_t *ipp, /* I - IPP message */
3918 ipp_attribute_t **attr, /* IO - IPP attribute */
3919 int element, /* I - Value number (0-based) */
3920 const void *data, /* I - Pointer to octetString data */
3921 int datalen) /* I - Length of octetString data */
3923 _ipp_value_t *value; /* Current value */
3927 * Range check input...
3930 if (!ipp || !attr || !*attr || ((*attr)->value_tag != IPP_TAG_STRING && (*attr)->value_tag != IPP_TAG_NOVALUE && (*attr)->value_tag != IPP_TAG_UNKNOWN) || element < 0 || element > (*attr)->num_values || datalen < 0 || datalen > IPP_MAX_LENGTH)
3934 * Set the value and return...
3937 if ((value = ipp_set_value(ipp, attr, element)) != NULL)
3939 if ((int)((*attr)->value_tag) & IPP_TAG_CUPS_CONST)
3942 * Just copy the pointer...
3945 value->unknown.data = (void *)data;
3946 value->unknown.length = datalen;
3954 (*attr)->value_tag = IPP_TAG_STRING;
3956 if (value->unknown.data)
3959 * Free previous data...
3962 free(value->unknown.data);
3964 value->unknown.data = NULL;
3965 value->unknown.length = 0;
3970 void *temp; /* Temporary data pointer */
3972 if ((temp = malloc((size_t)datalen)) != NULL)
3974 memcpy(temp, data, (size_t)datalen);
3976 value->unknown.data = temp;
3977 value->unknown.length = datalen;
3985 return (value != NULL);
3990 * 'ippSetOperation()' - Set the operation ID in an IPP request message.
3992 * The @code ipp@ parameter refers to an IPP message previously created using
3993 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
3995 * @since CUPS 1.6/macOS 10.8@
3998 int /* O - 1 on success, 0 on failure */
3999 ippSetOperation(ipp_t *ipp, /* I - IPP request message */
4000 ipp_op_t op) /* I - Operation ID */
4003 * Range check input...
4010 * Set the operation and return...
4013 ipp->request.op.operation_id = op;
4020 * 'ippSetRange()' - Set a rangeOfInteger value in an attribute.
4022 * The @code ipp@ parameter refers to an IPP message previously created using
4023 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
4025 * The @code attr@ parameter may be modified as a result of setting the value.
4027 * The @code element@ parameter specifies which value to set from 0 to
4028 * @code ippGetCount(attr)@.
4030 * @since CUPS 1.6/macOS 10.8@
4033 int /* O - 1 on success, 0 on failure */
4034 ippSetRange(ipp_t *ipp, /* I - IPP message */
4035 ipp_attribute_t **attr, /* IO - IPP attribute */
4036 int element, /* I - Value number (0-based) */
4037 int lowervalue, /* I - Lower bound for range */
4038 int uppervalue) /* I - Upper bound for range */
4040 _ipp_value_t *value; /* Current value */
4044 * Range check input...
4047 if (!ipp || !attr || !*attr || ((*attr)->value_tag != IPP_TAG_RANGE && (*attr)->value_tag != IPP_TAG_NOVALUE && (*attr)->value_tag != IPP_TAG_UNKNOWN) || element < 0 || element > (*attr)->num_values || lowervalue > uppervalue)
4051 * Set the value and return...
4054 if ((value = ipp_set_value(ipp, attr, element)) != NULL)
4056 (*attr)->value_tag = IPP_TAG_RANGE;
4057 value->range.lower = lowervalue;
4058 value->range.upper = uppervalue;
4061 return (value != NULL);
4066 * 'ippSetRequestId()' - Set the request ID in an IPP message.
4068 * The @code ipp@ parameter refers to an IPP message previously created using
4069 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
4071 * The @code request_id@ parameter must be greater than 0.
4073 * @since CUPS 1.6/macOS 10.8@
4076 int /* O - 1 on success, 0 on failure */
4077 ippSetRequestId(ipp_t *ipp, /* I - IPP message */
4078 int request_id) /* I - Request ID */
4081 * Range check input; not checking request_id values since ipptool wants to send
4082 * invalid values for conformance testing and a bad request_id does not affect the
4083 * encoding of a message...
4090 * Set the request ID and return...
4093 ipp->request.any.request_id = request_id;
4100 * 'ippSetResolution()' - Set a resolution value in an attribute.
4102 * The @code ipp@ parameter refers to an IPP message previously created using
4103 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
4105 * The @code attr@ parameter may be modified as a result of setting the value.
4107 * The @code element@ parameter specifies which value to set from 0 to
4108 * @code ippGetCount(attr)@.
4110 * @since CUPS 1.6/macOS 10.8@
4113 int /* O - 1 on success, 0 on failure */
4115 ipp_t *ipp, /* I - IPP message */
4116 ipp_attribute_t **attr, /* IO - IPP attribute */
4117 int element, /* I - Value number (0-based) */
4118 ipp_res_t unitsvalue, /* I - Resolution units */
4119 int xresvalue, /* I - Horizontal/cross feed resolution */
4120 int yresvalue) /* I - Vertical/feed resolution */
4122 _ipp_value_t *value; /* Current value */
4126 * Range check input...
4129 if (!ipp || !attr || !*attr || ((*attr)->value_tag != IPP_TAG_RESOLUTION && (*attr)->value_tag != IPP_TAG_NOVALUE && (*attr)->value_tag != IPP_TAG_UNKNOWN) || element < 0 || element > (*attr)->num_values || xresvalue <= 0 || yresvalue <= 0 || unitsvalue < IPP_RES_PER_INCH || unitsvalue > IPP_RES_PER_CM)
4133 * Set the value and return...
4136 if ((value = ipp_set_value(ipp, attr, element)) != NULL)
4138 (*attr)->value_tag = IPP_TAG_RESOLUTION;
4139 value->resolution.units = unitsvalue;
4140 value->resolution.xres = xresvalue;
4141 value->resolution.yres = yresvalue;
4144 return (value != NULL);
4149 * 'ippSetState()' - Set the current state of the IPP message.
4151 * @since CUPS 1.6/macOS 10.8@
4154 int /* O - 1 on success, 0 on failure */
4155 ippSetState(ipp_t *ipp, /* I - IPP message */
4156 ipp_state_t state) /* I - IPP state value */
4159 * Range check input...
4166 * Set the state and return...
4170 ipp->current = NULL;
4177 * 'ippSetStatusCode()' - Set the status code in an IPP response or event message.
4179 * The @code ipp@ parameter refers to an IPP message previously created using
4180 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
4182 * @since CUPS 1.6/macOS 10.8@
4185 int /* O - 1 on success, 0 on failure */
4186 ippSetStatusCode(ipp_t *ipp, /* I - IPP response or event message */
4187 ipp_status_t status) /* I - Status code */
4190 * Range check input...
4197 * Set the status code and return...
4200 ipp->request.status.status_code = status;
4207 * 'ippSetString()' - Set a string value in an attribute.
4209 * The @code ipp@ parameter refers to an IPP message previously created using
4210 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
4212 * The @code attr@ parameter may be modified as a result of setting the value.
4214 * The @code element@ parameter specifies which value to set from 0 to
4215 * @code ippGetCount(attr)@.
4217 * @since CUPS 1.6/macOS 10.8@
4220 int /* O - 1 on success, 0 on failure */
4221 ippSetString(ipp_t *ipp, /* I - IPP message */
4222 ipp_attribute_t **attr, /* IO - IPP attribute */
4223 int element, /* I - Value number (0-based) */
4224 const char *strvalue) /* I - String value */
4226 char *temp; /* Temporary string */
4227 _ipp_value_t *value; /* Current value */
4228 ipp_tag_t value_tag; /* Value tag */
4232 * Range check input...
4236 value_tag = (*attr)->value_tag & IPP_TAG_CUPS_MASK;
4238 value_tag = IPP_TAG_ZERO;
4240 if (!ipp || !attr || !*attr || (value_tag < IPP_TAG_TEXT && value_tag != IPP_TAG_TEXTLANG && value_tag != IPP_TAG_NAMELANG && value_tag != IPP_TAG_NOVALUE && value_tag != IPP_TAG_UNKNOWN) || value_tag > IPP_TAG_MIMETYPE || element < 0 || element > (*attr)->num_values || !strvalue)
4244 * Set the value and return...
4247 if ((value = ipp_set_value(ipp, attr, element)) != NULL)
4249 if (value_tag == IPP_TAG_NOVALUE || value_tag == IPP_TAG_UNKNOWN)
4250 (*attr)->value_tag = IPP_TAG_KEYWORD;
4253 value->string.language = (*attr)->values[0].string.language;
4255 if ((int)((*attr)->value_tag) & IPP_TAG_CUPS_CONST)
4256 value->string.text = (char *)strvalue;
4257 else if ((temp = _cupsStrAlloc(strvalue)) != NULL)
4259 if (value->string.text)
4260 _cupsStrFree(value->string.text);
4262 value->string.text = temp;
4268 return (value != NULL);
4273 * 'ippSetStringf()' - Set a formatted string value of an attribute.
4275 * The @code ipp@ parameter refers to an IPP message previously created using
4276 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
4278 * The @code attr@ parameter may be modified as a result of setting the value.
4280 * The @code element@ parameter specifies which value to set from 0 to
4281 * @code ippGetCount(attr)@.
4283 * The @code format@ parameter uses formatting characters compatible with the
4284 * printf family of standard functions. Additional arguments follow it as
4285 * needed. The formatted string is truncated as needed to the maximum length of
4286 * the corresponding value type.
4288 * @since CUPS 1.7/macOS 10.9@
4291 int /* O - 1 on success, 0 on failure */
4292 ippSetStringf(ipp_t *ipp, /* I - IPP message */
4293 ipp_attribute_t **attr, /* IO - IPP attribute */
4294 int element, /* I - Value number (0-based) */
4295 const char *format, /* I - Printf-style format string */
4296 ...) /* I - Additional arguments as needed */
4298 int ret; /* Return value */
4299 va_list ap; /* Pointer to additional arguments */
4302 va_start(ap, format);
4303 ret = ippSetStringfv(ipp, attr, element, format, ap);
4311 * 'ippSetStringf()' - Set a formatted string value of an attribute.
4313 * The @code ipp@ parameter refers to an IPP message previously created using
4314 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
4316 * The @code attr@ parameter may be modified as a result of setting the value.
4318 * The @code element@ parameter specifies which value to set from 0 to
4319 * @code ippGetCount(attr)@.
4321 * The @code format@ parameter uses formatting characters compatible with the
4322 * printf family of standard functions. Additional arguments follow it as
4323 * needed. The formatted string is truncated as needed to the maximum length of
4324 * the corresponding value type.
4326 * @since CUPS 1.7/macOS 10.9@
4329 int /* O - 1 on success, 0 on failure */
4330 ippSetStringfv(ipp_t *ipp, /* I - IPP message */
4331 ipp_attribute_t **attr, /* IO - IPP attribute */
4332 int element, /* I - Value number (0-based) */
4333 const char *format, /* I - Printf-style format string */
4334 va_list ap) /* I - Pointer to additional arguments */
4336 ipp_tag_t value_tag; /* Value tag */
4337 char buffer[IPP_MAX_TEXT + 4];
4338 /* Formatted text string */
4339 ssize_t bytes, /* Length of formatted value */
4340 max_bytes; /* Maximum number of bytes for value */
4344 * Range check input...
4348 value_tag = (*attr)->value_tag & IPP_TAG_CUPS_MASK;
4350 value_tag = IPP_TAG_ZERO;
4352 if (!ipp || !attr || !*attr || (value_tag < IPP_TAG_TEXT && value_tag != IPP_TAG_TEXTLANG && value_tag != IPP_TAG_NAMELANG && value_tag != IPP_TAG_NOVALUE && value_tag != IPP_TAG_UNKNOWN) || value_tag > IPP_TAG_MIMETYPE || !format)
4356 * Format the string...
4359 if (!strcmp(format, "%s"))
4362 * Optimize the simple case...
4365 const char *s = va_arg(ap, char *);
4370 bytes = (ssize_t)strlen(s);
4371 strlcpy(buffer, s, sizeof(buffer));
4376 * Do a full formatting of the message...
4379 if ((bytes = vsnprintf(buffer, sizeof(buffer), format, ap)) < 0)
4384 * Limit the length of the string...
4391 case IPP_TAG_TEXTLANG :
4392 max_bytes = IPP_MAX_TEXT;
4396 case IPP_TAG_NAMELANG :
4397 max_bytes = IPP_MAX_NAME;
4400 case IPP_TAG_CHARSET :
4401 max_bytes = IPP_MAX_CHARSET;
4404 case IPP_TAG_NOVALUE :
4405 case IPP_TAG_UNKNOWN :
4406 case IPP_TAG_KEYWORD :
4407 max_bytes = IPP_MAX_KEYWORD;
4410 case IPP_TAG_LANGUAGE :
4411 max_bytes = IPP_MAX_LANGUAGE;
4414 case IPP_TAG_MIMETYPE :
4415 max_bytes = IPP_MAX_MIMETYPE;
4419 max_bytes = IPP_MAX_URI;
4422 case IPP_TAG_URISCHEME :
4423 max_bytes = IPP_MAX_URISCHEME;
4427 if (bytes >= max_bytes)
4429 char *bufmax, /* Buffer at max_bytes */
4430 *bufptr; /* Pointer into buffer */
4432 bufptr = buffer + strlen(buffer) - 1;
4433 bufmax = buffer + max_bytes - 1;
4435 while (bufptr > bufmax)
4439 while ((*bufptr & 0xc0) == 0x80 && bufptr > buffer)
4450 * Set the formatted string and return...
4453 return (ippSetString(ipp, attr, element, buffer));
4458 * 'ippSetValueTag()' - Set the value tag of an attribute.
4460 * The @code ipp@ parameter refers to an IPP message previously created using
4461 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
4463 * The @code attr@ parameter may be modified as a result of setting the value.
4465 * Integer (@code IPP_TAG_INTEGER@) values can be promoted to rangeOfInteger
4466 * (@code IPP_TAG_RANGE@) values, the various string tags can be promoted to name
4467 * (@code IPP_TAG_NAME@) or nameWithLanguage (@code IPP_TAG_NAMELANG@) values, text
4468 * (@code IPP_TAG_TEXT@) values can be promoted to textWithLanguage
4469 * (@code IPP_TAG_TEXTLANG@) values, and all values can be demoted to the various
4470 * out-of-band value tags such as no-value (@code IPP_TAG_NOVALUE@). All other changes
4473 * Promoting a string attribute to nameWithLanguage or textWithLanguage adds the language
4474 * code in the "attributes-natural-language" attribute or, if not present, the language
4475 * code for the current locale.
4477 * @since CUPS 1.6/macOS 10.8@
4480 int /* O - 1 on success, 0 on failure */
4482 ipp_t *ipp, /* I - IPP message */
4483 ipp_attribute_t **attr, /* IO - IPP attribute */
4484 ipp_tag_t value_tag) /* I - Value tag */
4486 int i; /* Looping var */
4487 _ipp_value_t *value; /* Current value */
4488 int integer; /* Current integer value */
4489 cups_lang_t *language; /* Current language */
4490 char code[32]; /* Language code */
4491 ipp_tag_t temp_tag; /* Temporary value tag */
4495 * Range check input...
4498 if (!ipp || !attr || !*attr)
4502 * If there is no change, return immediately...
4505 if (value_tag == (*attr)->value_tag)
4509 * Otherwise implement changes as needed...
4512 temp_tag = (ipp_tag_t)((int)((*attr)->value_tag) & IPP_TAG_CUPS_MASK);
4516 case IPP_TAG_UNSUPPORTED_VALUE :
4517 case IPP_TAG_DEFAULT :
4518 case IPP_TAG_UNKNOWN :
4519 case IPP_TAG_NOVALUE :
4520 case IPP_TAG_NOTSETTABLE :
4521 case IPP_TAG_DELETEATTR :
4522 case IPP_TAG_ADMINDEFINE :
4524 * Free any existing values...
4527 if ((*attr)->num_values > 0)
4528 ipp_free_values(*attr, 0, (*attr)->num_values);
4531 * Set out-of-band value...
4534 (*attr)->value_tag = value_tag;
4537 case IPP_TAG_RANGE :
4538 if (temp_tag != IPP_TAG_INTEGER)
4541 for (i = (*attr)->num_values, value = (*attr)->values;
4545 integer = value->integer;
4546 value->range.lower = value->range.upper = integer;
4549 (*attr)->value_tag = IPP_TAG_RANGE;
4553 if (temp_tag != IPP_TAG_KEYWORD)
4556 (*attr)->value_tag = (ipp_tag_t)(IPP_TAG_NAME | ((*attr)->value_tag & IPP_TAG_CUPS_CONST));
4559 case IPP_TAG_NAMELANG :
4560 case IPP_TAG_TEXTLANG :
4561 if (value_tag == IPP_TAG_NAMELANG && (temp_tag != IPP_TAG_NAME && temp_tag != IPP_TAG_KEYWORD))
4564 if (value_tag == IPP_TAG_TEXTLANG && temp_tag != IPP_TAG_TEXT)
4567 if (ipp->attrs && ipp->attrs->next && ipp->attrs->next->name &&
4568 !strcmp(ipp->attrs->next->name, "attributes-natural-language") && (ipp->attrs->next->value_tag & IPP_TAG_CUPS_MASK) == IPP_TAG_LANGUAGE)
4571 * Use the language code from the IPP message...
4574 (*attr)->values[0].string.language =
4575 _cupsStrAlloc(ipp->attrs->next->values[0].string.text);
4580 * Otherwise, use the language code corresponding to the locale...
4583 language = cupsLangDefault();
4584 (*attr)->values[0].string.language = _cupsStrAlloc(ipp_lang_code(language->language,
4589 for (i = (*attr)->num_values - 1, value = (*attr)->values + 1;
4592 value->string.language = (*attr)->values[0].string.language;
4594 if ((int)(*attr)->value_tag & IPP_TAG_CUPS_CONST)
4597 * Make copies of all values...
4600 for (i = (*attr)->num_values, value = (*attr)->values;
4603 value->string.text = _cupsStrAlloc(value->string.text);
4606 (*attr)->value_tag = IPP_TAG_NAMELANG;
4609 case IPP_TAG_KEYWORD :
4610 if (temp_tag == IPP_TAG_NAME || temp_tag == IPP_TAG_NAMELANG)
4611 break; /* Silently "allow" name -> keyword */
4622 * 'ippSetVersion()' - Set the version number in an IPP message.
4624 * The @code ipp@ parameter refers to an IPP message previously created using
4625 * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions.
4627 * The valid version numbers are currently 1.0, 1.1, 2.0, 2.1, and 2.2.
4629 * @since CUPS 1.6/macOS 10.8@
4632 int /* O - 1 on success, 0 on failure */
4633 ippSetVersion(ipp_t *ipp, /* I - IPP message */
4634 int major, /* I - Major version number (major.minor) */
4635 int minor) /* I - Minor version number (major.minor) */
4638 * Range check input...
4641 if (!ipp || major < 0 || minor < 0)
4645 * Set the version number...
4648 ipp->request.any.version[0] = (ipp_uchar_t)major;
4649 ipp->request.any.version[1] = (ipp_uchar_t)minor;
4656 * 'ippTimeToDate()' - Convert from time in seconds to RFC 2579 format.
4659 const ipp_uchar_t * /* O - RFC-2579 date/time data */
4660 ippTimeToDate(time_t t) /* I - Time in seconds */
4662 struct tm unixdate; /* UNIX unixdate/time info */
4663 ipp_uchar_t *date = _cupsGlobals()->ipp_date;
4664 /* RFC-2579 date/time data */
4668 * RFC-2579 date/time format is:
4670 * Byte(s) Description
4671 * ------- -----------
4672 * 0-1 Year (0 to 65535)
4676 * 5 Minutes (0 to 59)
4677 * 6 Seconds (0 to 60, 60 = "leap second")
4678 * 7 Deciseconds (0 to 9)
4680 * 9 UTC hours (0 to 11)
4681 * 10 UTC minutes (0 to 59)
4684 gmtime_r(&t, &unixdate);
4685 unixdate.tm_year += 1900;
4687 date[0] = (ipp_uchar_t)(unixdate.tm_year >> 8);
4688 date[1] = (ipp_uchar_t)(unixdate.tm_year);
4689 date[2] = (ipp_uchar_t)(unixdate.tm_mon + 1);
4690 date[3] = (ipp_uchar_t)unixdate.tm_mday;
4691 date[4] = (ipp_uchar_t)unixdate.tm_hour;
4692 date[5] = (ipp_uchar_t)unixdate.tm_min;
4693 date[6] = (ipp_uchar_t)unixdate.tm_sec;
4704 * 'ippValidateAttribute()' - Validate the contents of an attribute.
4706 * This function validates the contents of an attribute based on the name and
4707 * value tag. 1 is returned if the attribute is valid, 0 otherwise. On
4708 * failure, @link cupsLastErrorString@ is set to a human-readable message.
4710 * @since CUPS 1.7/macOS 10.9@
4713 int /* O - 1 if valid, 0 otherwise */
4714 ippValidateAttribute(
4715 ipp_attribute_t *attr) /* I - Attribute */
4717 int i; /* Looping var */
4718 char scheme[64], /* Scheme from URI */
4719 userpass[256], /* Username/password from URI */
4720 hostname[256], /* Hostname from URI */
4721 resource[1024]; /* Resource from URI */
4722 int port, /* Port number from URI */
4723 uri_status; /* URI separation status */
4724 const char *ptr; /* Pointer into string */
4725 ipp_attribute_t *colattr; /* Collection attribute */
4726 regex_t re; /* Regular expression */
4727 ipp_uchar_t *date; /* Current date value */
4738 * Validate the attribute name.
4741 for (ptr = attr->name; *ptr; ptr ++)
4742 if (!isalnum(*ptr & 255) && *ptr != '-' && *ptr != '.' && *ptr != '_')
4745 if (*ptr || ptr == attr->name)
4747 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad attribute name - invalid character (RFC 8011 section 5.1.4)."), attr->name);
4751 if ((ptr - attr->name) > 255)
4753 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad attribute name - bad length %d (RFC 8011 section 5.1.4)."), attr->name, (int)(ptr - attr->name));
4757 switch (attr->value_tag)
4759 case IPP_TAG_INTEGER :
4762 case IPP_TAG_BOOLEAN :
4763 for (i = 0; i < attr->num_values; i ++)
4765 if (attr->values[i].boolean != 0 &&
4766 attr->values[i].boolean != 1)
4768 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad boolean value %d (RFC 8011 section 5.1.21)."), attr->name, attr->values[i].boolean);
4775 for (i = 0; i < attr->num_values; i ++)
4777 if (attr->values[i].integer < 1)
4779 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad enum value %d - out of range (RFC 8011 section 5.1.5)."), attr->name, attr->values[i].integer);
4785 case IPP_TAG_STRING :
4786 for (i = 0; i < attr->num_values; i ++)
4788 if (attr->values[i].unknown.length > IPP_MAX_OCTETSTRING)
4790 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad octetString value - bad length %d (RFC 8011 section 5.1.20)."), attr->name, attr->values[i].unknown.length);
4797 for (i = 0; i < attr->num_values; i ++)
4799 date = attr->values[i].date;
4801 if (date[2] < 1 || date[2] > 12)
4803 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime month %u (RFC 8011 section 5.1.15)."), attr->name, date[2]);
4807 if (date[3] < 1 || date[3] > 31)
4809 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime day %u (RFC 8011 section 5.1.15)."), attr->name, date[3]);
4815 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime hours %u (RFC 8011 section 5.1.15)."), attr->name, date[4]);
4821 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime minutes %u (RFC 8011 section 5.1.15)."), attr->name, date[5]);
4827 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime seconds %u (RFC 8011 section 5.1.15)."), attr->name, date[6]);
4833 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime deciseconds %u (RFC 8011 section 5.1.15)."), attr->name, date[7]);
4837 if (date[8] != '-' && date[8] != '+')
4839 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime UTC sign '%c' (RFC 8011 section 5.1.15)."), attr->name, date[8]);
4845 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime UTC hours %u (RFC 8011 section 5.1.15)."), attr->name, date[9]);
4851 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime UTC minutes %u (RFC 8011 section 5.1.15)."), attr->name, date[10]);
4857 case IPP_TAG_RESOLUTION :
4858 for (i = 0; i < attr->num_values; i ++)
4860 if (attr->values[i].resolution.xres <= 0)
4862 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad resolution value %dx%d%s - cross feed resolution must be positive (RFC 8011 section 5.1.16)."), attr->name, attr->values[i].resolution.xres, attr->values[i].resolution.yres, attr->values[i].resolution.units == IPP_RES_PER_INCH ? "dpi" : attr->values[i].resolution.units == IPP_RES_PER_CM ? "dpcm" : "unknown");
4866 if (attr->values[i].resolution.yres <= 0)
4868 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad resolution value %dx%d%s - feed resolution must be positive (RFC 8011 section 5.1.16)."), attr->name, attr->values[i].resolution.xres, attr->values[i].resolution.yres, attr->values[i].resolution.units == IPP_RES_PER_INCH ? "dpi" : attr->values[i].resolution.units == IPP_RES_PER_CM ? "dpcm" : "unknown");
4872 if (attr->values[i].resolution.units != IPP_RES_PER_INCH && attr->values[i].resolution.units != IPP_RES_PER_CM)
4874 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad resolution value %dx%d%s - bad units value (RFC 8011 section 5.1.16)."), attr->name, attr->values[i].resolution.xres, attr->values[i].resolution.yres, attr->values[i].resolution.units == IPP_RES_PER_INCH ? "dpi" : attr->values[i].resolution.units == IPP_RES_PER_CM ? "dpcm" : "unknown");
4880 case IPP_TAG_RANGE :
4881 for (i = 0; i < attr->num_values; i ++)
4883 if (attr->values[i].range.lower > attr->values[i].range.upper)
4885 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad rangeOfInteger value %d-%d - lower greater than upper (RFC 8011 section 5.1.14)."), attr->name, attr->values[i].range.lower, attr->values[i].range.upper);
4891 case IPP_TAG_BEGIN_COLLECTION :
4892 for (i = 0; i < attr->num_values; i ++)
4894 for (colattr = attr->values[i].collection->attrs;
4896 colattr = colattr->next)
4898 if (!ippValidateAttribute(colattr))
4905 case IPP_TAG_TEXTLANG :
4906 for (i = 0; i < attr->num_values; i ++)
4908 for (ptr = attr->values[i].string.text; *ptr; ptr ++)
4910 if ((*ptr & 0xe0) == 0xc0)
4912 if ((ptr[1] & 0xc0) != 0x80)
4917 else if ((*ptr & 0xf0) == 0xe0)
4919 if ((ptr[1] & 0xc0) != 0x80 || (ptr[2] & 0xc0) != 0x80)
4924 else if ((*ptr & 0xf8) == 0xf0)
4926 if ((ptr[1] & 0xc0) != 0x80 || (ptr[2] & 0xc0) != 0x80 || (ptr[3] & 0xc0) != 0x80)
4931 else if (*ptr & 0x80)
4933 else if ((*ptr < ' ' && *ptr != '\n' && *ptr != '\r' && *ptr != '\t') || *ptr == 0x7f)
4939 if (*ptr < ' ' || *ptr == 0x7f)
4941 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad text value \"%s\" - bad control character (PWG 5100.14 section 8.3)."), attr->name, attr->values[i].string.text);
4946 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad text value \"%s\" - bad UTF-8 sequence (RFC 8011 section 5.1.2)."), attr->name, attr->values[i].string.text);
4951 if ((ptr - attr->values[i].string.text) > (IPP_MAX_TEXT - 1))
4953 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad text value \"%s\" - bad length %d (RFC 8011 section 5.1.2)."), attr->name, attr->values[i].string.text, (int)(ptr - attr->values[i].string.text));
4960 case IPP_TAG_NAMELANG :
4961 for (i = 0; i < attr->num_values; i ++)
4963 for (ptr = attr->values[i].string.text; *ptr; ptr ++)
4965 if ((*ptr & 0xe0) == 0xc0)
4967 if ((ptr[1] & 0xc0) != 0x80)
4972 else if ((*ptr & 0xf0) == 0xe0)
4974 if ((ptr[1] & 0xc0) != 0x80 || (ptr[2] & 0xc0) != 0x80)
4979 else if ((*ptr & 0xf8) == 0xf0)
4981 if ((ptr[1] & 0xc0) != 0x80 || (ptr[2] & 0xc0) != 0x80 || (ptr[3] & 0xc0) != 0x80)
4986 else if (*ptr & 0x80)
4988 else if (*ptr < ' ' || *ptr == 0x7f)
4994 if (*ptr < ' ' || *ptr == 0x7f)
4996 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad name value \"%s\" - bad control character (PWG 5100.14 section 8.1)."), attr->name, attr->values[i].string.text);
5001 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad name value \"%s\" - bad UTF-8 sequence (RFC 8011 section 5.1.3)."), attr->name, attr->values[i].string.text);
5006 if ((ptr - attr->values[i].string.text) > (IPP_MAX_NAME - 1))
5008 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad name value \"%s\" - bad length %d (RFC 8011 section 5.1.3)."), attr->name, attr->values[i].string.text, (int)(ptr - attr->values[i].string.text));
5014 case IPP_TAG_KEYWORD :
5015 for (i = 0; i < attr->num_values; i ++)
5017 for (ptr = attr->values[i].string.text; *ptr; ptr ++)
5019 if (!isalnum(*ptr & 255) && *ptr != '-' && *ptr != '.' &&
5024 if (*ptr || ptr == attr->values[i].string.text)
5026 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad keyword value \"%s\" - invalid character (RFC 8011 section 5.1.4)."), attr->name, attr->values[i].string.text);
5030 if ((ptr - attr->values[i].string.text) > (IPP_MAX_KEYWORD - 1))
5032 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad keyword value \"%s\" - bad length %d (RFC 8011 section 5.1.4)."), attr->name, attr->values[i].string.text, (int)(ptr - attr->values[i].string.text));
5039 for (i = 0; i < attr->num_values; i ++)
5041 uri_status = httpSeparateURI(HTTP_URI_CODING_ALL, attr->values[i].string.text, scheme, sizeof(scheme), userpass, sizeof(userpass), hostname, sizeof(hostname), &port, resource, sizeof(resource));
5043 if (uri_status < HTTP_URI_STATUS_OK)
5045 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad URI value \"%s\" - %s (RFC 8011 section 5.1.6)."), attr->name, attr->values[i].string.text, httpURIStatusString(uri_status));
5049 if (strlen(attr->values[i].string.text) > (IPP_MAX_URI - 1))
5051 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad URI value \"%s\" - bad length %d (RFC 8011 section 5.1.6)."), attr->name, attr->values[i].string.text, (int)strlen(attr->values[i].string.text));
5056 case IPP_TAG_URISCHEME :
5057 for (i = 0; i < attr->num_values; i ++)
5059 ptr = attr->values[i].string.text;
5060 if (islower(*ptr & 255))
5062 for (ptr ++; *ptr; ptr ++)
5064 if (!islower(*ptr & 255) && !isdigit(*ptr & 255) &&
5065 *ptr != '+' && *ptr != '-' && *ptr != '.')
5070 if (*ptr || ptr == attr->values[i].string.text)
5072 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad uriScheme value \"%s\" - bad characters (RFC 8011 section 5.1.7)."), attr->name, attr->values[i].string.text);
5076 if ((ptr - attr->values[i].string.text) > (IPP_MAX_URISCHEME - 1))
5078 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad uriScheme value \"%s\" - bad length %d (RFC 8011 section 5.1.7)."), attr->name, attr->values[i].string.text, (int)(ptr - attr->values[i].string.text));
5084 case IPP_TAG_CHARSET :
5085 for (i = 0; i < attr->num_values; i ++)
5087 for (ptr = attr->values[i].string.text; *ptr; ptr ++)
5089 if (!isprint(*ptr & 255) || isupper(*ptr & 255) ||
5090 isspace(*ptr & 255))
5094 if (*ptr || ptr == attr->values[i].string.text)
5096 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad charset value \"%s\" - bad characters (RFC 8011 section 5.1.8)."), attr->name, attr->values[i].string.text);
5100 if ((ptr - attr->values[i].string.text) > (IPP_MAX_CHARSET - 1))
5102 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad charset value \"%s\" - bad length %d (RFC 8011 section 5.1.8)."), attr->name, attr->values[i].string.text, (int)(ptr - attr->values[i].string.text));
5108 case IPP_TAG_LANGUAGE :
5110 * The following regular expression is derived from the ABNF for
5111 * language tags in RFC 4646. All I can say is that this is the
5112 * easiest way to check the values...
5115 if ((i = regcomp(&re,
5117 "(([a-z]{2,3}(-[a-z][a-z][a-z]){0,3})|[a-z]{4,8})"
5119 "(-[a-z][a-z][a-z][a-z]){0,1}" /* script */
5120 "(-([a-z][a-z]|[0-9][0-9][0-9])){0,1}" /* region */
5121 "(-([a-z]{5,8}|[0-9][0-9][0-9]))*" /* variant */
5122 "(-[a-wy-z](-[a-z0-9]{2,8})+)*" /* extension */
5123 "(-x(-[a-z0-9]{1,8})+)*" /* privateuse */
5125 "x(-[a-z0-9]{1,8})+" /* privateuse */
5127 "[a-z]{1,3}(-[a-z][0-9]{2,8}){1,2}" /* grandfathered */
5129 REG_NOSUB | REG_EXTENDED)) != 0)
5131 char temp[256]; /* Temporary error string */
5133 regerror(i, &re, temp, sizeof(temp));
5134 ipp_set_error(IPP_STATUS_ERROR_INTERNAL, _("Unable to compile naturalLanguage regular expression: %s."), temp);
5138 for (i = 0; i < attr->num_values; i ++)
5140 if (regexec(&re, attr->values[i].string.text, 0, NULL, 0))
5142 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad naturalLanguage value \"%s\" - bad characters (RFC 8011 section 5.1.9)."), attr->name, attr->values[i].string.text);
5147 if (strlen(attr->values[i].string.text) > (IPP_MAX_LANGUAGE - 1))
5149 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad naturalLanguage value \"%s\" - bad length %d (RFC 8011 section 5.1.9)."), attr->name, attr->values[i].string.text, (int)strlen(attr->values[i].string.text));
5158 case IPP_TAG_MIMETYPE :
5160 * The following regular expression is derived from the ABNF for
5161 * MIME media types in RFC 2045 and 4288. All I can say is that this is
5162 * the easiest way to check the values...
5165 if ((i = regcomp(&re,
5167 "[-a-zA-Z0-9!#$&.+^_]{1,127}" /* type-name */
5169 "[-a-zA-Z0-9!#$&.+^_]{1,127}" /* subtype-name */
5170 "(;[-a-zA-Z0-9!#$&.+^_]{1,127}=" /* parameter= */
5171 "([-a-zA-Z0-9!#$&.+^_]{1,127}|\"[^\"]*\"))*"
5174 REG_NOSUB | REG_EXTENDED)) != 0)
5176 char temp[256]; /* Temporary error string */
5178 regerror(i, &re, temp, sizeof(temp));
5179 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("Unable to compile mimeMediaType regular expression: %s."), temp);
5183 for (i = 0; i < attr->num_values; i ++)
5185 if (regexec(&re, attr->values[i].string.text, 0, NULL, 0))
5187 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad mimeMediaType value \"%s\" - bad characters (RFC 8011 section 5.1.10)."), attr->name, attr->values[i].string.text);
5192 if (strlen(attr->values[i].string.text) > (IPP_MAX_MIMETYPE - 1))
5194 ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad mimeMediaType value \"%s\" - bad length %d (RFC 8011 section 5.1.10)."), attr->name, attr->values[i].string.text, (int)strlen(attr->values[i].string.text));
5212 * 'ippValidateAttributes()' - Validate all attributes in an IPP message.
5214 * This function validates the contents of the IPP message, including each
5215 * attribute. Like @link ippValidateAttribute@, @link cupsLastErrorString@ is
5216 * set to a human-readable message on failure.
5218 * @since CUPS 1.7/macOS 10.9@
5221 int /* O - 1 if valid, 0 otherwise */
5222 ippValidateAttributes(ipp_t *ipp) /* I - IPP message */
5224 ipp_attribute_t *attr; /* Current attribute */
5230 for (attr = ipp->attrs; attr; attr = attr->next)
5231 if (!ippValidateAttribute(attr))
5239 * 'ippWrite()' - Write data for an IPP message to a HTTP connection.
5242 ipp_state_t /* O - Current state */
5243 ippWrite(http_t *http, /* I - HTTP connection */
5244 ipp_t *ipp) /* I - IPP data */
5246 DEBUG_printf(("ippWrite(http=%p, ipp=%p)", (void *)http, (void *)ipp));
5249 return (IPP_STATE_ERROR);
5251 return (ippWriteIO(http, (ipp_iocb_t)httpWrite2, http->blocking, NULL, ipp));
5256 * 'ippWriteFile()' - Write data for an IPP message to a file.
5258 * @since CUPS 1.1.19/macOS 10.3@
5261 ipp_state_t /* O - Current state */
5262 ippWriteFile(int fd, /* I - HTTP data */
5263 ipp_t *ipp) /* I - IPP data */
5265 DEBUG_printf(("ippWriteFile(fd=%d, ipp=%p)", fd, (void *)ipp));
5267 ipp->state = IPP_STATE_IDLE;
5269 return (ippWriteIO(&fd, (ipp_iocb_t)ipp_write_file, 1, NULL, ipp));
5274 * 'ippWriteIO()' - Write data for an IPP message.
5276 * @since CUPS 1.2/macOS 10.5@
5279 ipp_state_t /* O - Current state */
5280 ippWriteIO(void *dst, /* I - Destination */
5281 ipp_iocb_t cb, /* I - Write callback function */
5282 int blocking, /* I - Use blocking IO? */
5283 ipp_t *parent, /* I - Parent IPP message */
5284 ipp_t *ipp) /* I - IPP data */
5286 int i; /* Looping var */
5287 int n; /* Length of data */
5288 unsigned char *buffer, /* Data buffer */
5289 *bufptr; /* Pointer into buffer */
5290 ipp_attribute_t *attr; /* Current attribute */
5291 _ipp_value_t *value; /* Current value */
5294 DEBUG_printf(("ippWriteIO(dst=%p, cb=%p, blocking=%d, parent=%p, ipp=%p)", (void *)dst, (void *)cb, blocking, (void *)parent, (void *)ipp));
5297 return (IPP_STATE_ERROR);
5299 if ((buffer = (unsigned char *)_cupsBufferGet(IPP_BUF_SIZE)) == NULL)
5301 DEBUG_puts("1ippWriteIO: Unable to get write buffer");
5302 return (IPP_STATE_ERROR);
5307 case IPP_STATE_IDLE :
5308 ipp->state ++; /* Avoid common problem... */
5310 case IPP_STATE_HEADER :
5314 * Send the request header:
5317 * Operation/Status Code = 2 bytes
5318 * Request ID = 4 bytes
5324 *bufptr++ = ipp->request.any.version[0];
5325 *bufptr++ = ipp->request.any.version[1];
5326 *bufptr++ = (ipp_uchar_t)(ipp->request.any.op_status >> 8);
5327 *bufptr++ = (ipp_uchar_t)ipp->request.any.op_status;
5328 *bufptr++ = (ipp_uchar_t)(ipp->request.any.request_id >> 24);
5329 *bufptr++ = (ipp_uchar_t)(ipp->request.any.request_id >> 16);
5330 *bufptr++ = (ipp_uchar_t)(ipp->request.any.request_id >> 8);
5331 *bufptr++ = (ipp_uchar_t)ipp->request.any.request_id;
5333 DEBUG_printf(("2ippWriteIO: version=%d.%d", buffer[0], buffer[1]));
5334 DEBUG_printf(("2ippWriteIO: op_status=%04x",
5335 ipp->request.any.op_status));
5336 DEBUG_printf(("2ippWriteIO: request_id=%d",
5337 ipp->request.any.request_id));
5339 if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0)
5341 DEBUG_puts("1ippWriteIO: Could not write IPP header...");
5342 _cupsBufferRelease((char *)buffer);
5343 return (IPP_STATE_ERROR);
5348 * Reset the state engine to point to the first attribute
5349 * in the request/response, with no current group.
5352 ipp->state = IPP_STATE_ATTRIBUTE;
5353 ipp->current = ipp->attrs;
5354 ipp->curtag = IPP_TAG_ZERO;
5356 DEBUG_printf(("1ippWriteIO: ipp->current=%p", (void *)ipp->current));
5359 * If blocking is disabled, stop here...
5365 case IPP_STATE_ATTRIBUTE :
5366 while (ipp->current != NULL)
5369 * Write this attribute...
5373 attr = ipp->current;
5375 ipp->current = ipp->current->next;
5379 if (ipp->curtag != attr->group_tag)
5382 * Send a group tag byte...
5385 ipp->curtag = attr->group_tag;
5387 if (attr->group_tag == IPP_TAG_ZERO)
5390 DEBUG_printf(("2ippWriteIO: wrote group tag=%x(%s)",
5391 attr->group_tag, ippTagString(attr->group_tag)));
5392 *bufptr++ = (ipp_uchar_t)attr->group_tag;
5394 else if (attr->group_tag == IPP_TAG_ZERO)
5398 DEBUG_printf(("1ippWriteIO: %s (%s%s)", attr->name,
5399 attr->num_values > 1 ? "1setOf " : "",
5400 ippTagString(attr->value_tag)));
5403 * Write the attribute tag and name.
5405 * The attribute name length does not include the trailing nul
5406 * character in the source string.
5408 * Collection values (parent != NULL) are written differently...
5414 * Get the length of the attribute name, and make sure it won't
5415 * overflow the buffer...
5418 if ((n = (int)strlen(attr->name)) > (IPP_BUF_SIZE - 8))
5420 DEBUG_printf(("1ippWriteIO: Attribute name too long (%d)", n));
5421 _cupsBufferRelease((char *)buffer);
5422 return (IPP_STATE_ERROR);
5426 * Write the value tag, name length, and name string...
5429 DEBUG_printf(("2ippWriteIO: writing value tag=%x(%s)",
5430 attr->value_tag, ippTagString(attr->value_tag)));
5431 DEBUG_printf(("2ippWriteIO: writing name=%d,\"%s\"", n,
5434 if (attr->value_tag > 0xff)
5436 *bufptr++ = IPP_TAG_EXTENSION;
5437 *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 24);
5438 *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 16);
5439 *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 8);
5440 *bufptr++ = (ipp_uchar_t)attr->value_tag;
5443 *bufptr++ = (ipp_uchar_t)attr->value_tag;
5445 *bufptr++ = (ipp_uchar_t)(n >> 8);
5446 *bufptr++ = (ipp_uchar_t)n;
5447 memcpy(bufptr, attr->name, (size_t)n);
5453 * Get the length of the attribute name, and make sure it won't
5454 * overflow the buffer...
5457 if ((n = (int)strlen(attr->name)) > (IPP_BUF_SIZE - 12))
5459 DEBUG_printf(("1ippWriteIO: Attribute name too long (%d)", n));
5460 _cupsBufferRelease((char *)buffer);
5461 return (IPP_STATE_ERROR);
5465 * Write the member name tag, name length, name string, value tag,
5466 * and empty name for the collection member attribute...
5469 DEBUG_printf(("2ippWriteIO: writing value tag=%x(memberName)",
5470 IPP_TAG_MEMBERNAME));
5471 DEBUG_printf(("2ippWriteIO: writing name=%d,\"%s\"", n,
5473 DEBUG_printf(("2ippWriteIO: writing value tag=%x(%s)",
5474 attr->value_tag, ippTagString(attr->value_tag)));
5475 DEBUG_puts("2ippWriteIO: writing name=0,\"\"");
5477 *bufptr++ = IPP_TAG_MEMBERNAME;
5480 *bufptr++ = (ipp_uchar_t)(n >> 8);
5481 *bufptr++ = (ipp_uchar_t)n;
5482 memcpy(bufptr, attr->name, (size_t)n);
5485 if (attr->value_tag > 0xff)
5487 *bufptr++ = IPP_TAG_EXTENSION;
5488 *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 24);
5489 *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 16);
5490 *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 8);
5491 *bufptr++ = (ipp_uchar_t)attr->value_tag;
5494 *bufptr++ = (ipp_uchar_t)attr->value_tag;
5501 * Now write the attribute value(s)...
5504 switch (attr->value_tag & ~IPP_TAG_CUPS_CONST)
5506 case IPP_TAG_UNSUPPORTED_VALUE :
5507 case IPP_TAG_DEFAULT :
5508 case IPP_TAG_UNKNOWN :
5509 case IPP_TAG_NOVALUE :
5510 case IPP_TAG_NOTSETTABLE :
5511 case IPP_TAG_DELETEATTR :
5512 case IPP_TAG_ADMINDEFINE :
5517 case IPP_TAG_INTEGER :
5519 for (i = 0, value = attr->values;
5520 i < attr->num_values;
5523 if ((IPP_BUF_SIZE - (bufptr - buffer)) < 9)
5525 if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0)
5527 DEBUG_puts("1ippWriteIO: Could not write IPP "
5529 _cupsBufferRelease((char *)buffer);
5530 return (IPP_STATE_ERROR);
5539 * Arrays and sets are done by sending additional
5540 * values with a zero-length name...
5543 *bufptr++ = (ipp_uchar_t)attr->value_tag;
5549 * Integers and enumerations are both 4-byte signed
5550 * (twos-complement) values.
5552 * Put the 2-byte length and 4-byte value into the buffer...
5557 *bufptr++ = (ipp_uchar_t)(value->integer >> 24);
5558 *bufptr++ = (ipp_uchar_t)(value->integer >> 16);
5559 *bufptr++ = (ipp_uchar_t)(value->integer >> 8);
5560 *bufptr++ = (ipp_uchar_t)value->integer;
5564 case IPP_TAG_BOOLEAN :
5565 for (i = 0, value = attr->values;
5566 i < attr->num_values;
5569 if ((IPP_BUF_SIZE - (bufptr - buffer)) < 6)
5571 if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0)
5573 DEBUG_puts("1ippWriteIO: Could not write IPP "
5575 _cupsBufferRelease((char *)buffer);
5576 return (IPP_STATE_ERROR);
5585 * Arrays and sets are done by sending additional
5586 * values with a zero-length name...
5589 *bufptr++ = (ipp_uchar_t)attr->value_tag;
5595 * Boolean values are 1-byte; 0 = false, 1 = true.
5597 * Put the 2-byte length and 1-byte value into the buffer...
5602 *bufptr++ = (ipp_uchar_t)value->boolean;
5608 case IPP_TAG_KEYWORD :
5610 case IPP_TAG_URISCHEME :
5611 case IPP_TAG_CHARSET :
5612 case IPP_TAG_LANGUAGE :
5613 case IPP_TAG_MIMETYPE :
5614 for (i = 0, value = attr->values;
5615 i < attr->num_values;
5621 * Arrays and sets are done by sending additional
5622 * values with a zero-length name...
5625 DEBUG_printf(("2ippWriteIO: writing value tag=%x(%s)",
5627 ippTagString(attr->value_tag)));
5628 DEBUG_printf(("2ippWriteIO: writing name=0,\"\""));
5630 if ((IPP_BUF_SIZE - (bufptr - buffer)) < 3)
5632 if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0)
5634 DEBUG_puts("1ippWriteIO: Could not write IPP "
5636 _cupsBufferRelease((char *)buffer);
5637 return (IPP_STATE_ERROR);
5643 *bufptr++ = (ipp_uchar_t)attr->value_tag;
5648 if (value->string.text != NULL)
5649 n = (int)strlen(value->string.text);
5653 if (n > (IPP_BUF_SIZE - 2))
5655 DEBUG_printf(("1ippWriteIO: String too long (%d)", n));
5656 _cupsBufferRelease((char *)buffer);
5657 return (IPP_STATE_ERROR);
5660 DEBUG_printf(("2ippWriteIO: writing string=%d,\"%s\"", n,
5661 value->string.text));
5663 if ((int)(IPP_BUF_SIZE - (bufptr - buffer)) < (n + 2))
5665 if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0)
5667 DEBUG_puts("1ippWriteIO: Could not write IPP "
5669 _cupsBufferRelease((char *)buffer);
5670 return (IPP_STATE_ERROR);
5677 * All simple strings consist of the 2-byte length and
5678 * character data without the trailing nul normally found
5679 * in C strings. Also, strings cannot be longer than IPP_MAX_LENGTH
5680 * bytes since the 2-byte length is a signed (twos-complement)
5683 * Put the 2-byte length and string characters in the buffer.
5686 *bufptr++ = (ipp_uchar_t)(n >> 8);
5687 *bufptr++ = (ipp_uchar_t)n;
5691 memcpy(bufptr, value->string.text, (size_t)n);
5698 for (i = 0, value = attr->values;
5699 i < attr->num_values;
5702 if ((IPP_BUF_SIZE - (bufptr - buffer)) < 16)
5704 if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0)
5706 DEBUG_puts("1ippWriteIO: Could not write IPP "
5708 _cupsBufferRelease((char *)buffer);
5709 return (IPP_STATE_ERROR);
5718 * Arrays and sets are done by sending additional
5719 * values with a zero-length name...
5722 *bufptr++ = (ipp_uchar_t)attr->value_tag;
5728 * Date values consist of a 2-byte length and an
5729 * 11-byte date/time structure defined by RFC 1903.
5731 * Put the 2-byte length and 11-byte date/time
5732 * structure in the buffer.
5737 memcpy(bufptr, value->date, 11);
5742 case IPP_TAG_RESOLUTION :
5743 for (i = 0, value = attr->values;
5744 i < attr->num_values;
5747 if ((IPP_BUF_SIZE - (bufptr - buffer)) < 14)
5749 if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0)
5751 DEBUG_puts("1ippWriteIO: Could not write IPP "
5753 _cupsBufferRelease((char *)buffer);
5754 return (IPP_STATE_ERROR);
5763 * Arrays and sets are done by sending additional
5764 * values with a zero-length name...
5767 *bufptr++ = (ipp_uchar_t)attr->value_tag;
5773 * Resolution values consist of a 2-byte length,
5774 * 4-byte horizontal resolution value, 4-byte vertical
5775 * resolution value, and a 1-byte units value.
5777 * Put the 2-byte length and resolution value data
5783 *bufptr++ = (ipp_uchar_t)(value->resolution.xres >> 24);
5784 *bufptr++ = (ipp_uchar_t)(value->resolution.xres >> 16);
5785 *bufptr++ = (ipp_uchar_t)(value->resolution.xres >> 8);
5786 *bufptr++ = (ipp_uchar_t)value->resolution.xres;
5787 *bufptr++ = (ipp_uchar_t)(value->resolution.yres >> 24);
5788 *bufptr++ = (ipp_uchar_t)(value->resolution.yres >> 16);
5789 *bufptr++ = (ipp_uchar_t)(value->resolution.yres >> 8);
5790 *bufptr++ = (ipp_uchar_t)value->resolution.yres;
5791 *bufptr++ = (ipp_uchar_t)value->resolution.units;
5795 case IPP_TAG_RANGE :
5796 for (i = 0, value = attr->values;
5797 i < attr->num_values;
5800 if ((IPP_BUF_SIZE - (bufptr - buffer)) < 13)
5802 if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0)
5804 DEBUG_puts("1ippWriteIO: Could not write IPP "
5806 _cupsBufferRelease((char *)buffer);
5807 return (IPP_STATE_ERROR);
5816 * Arrays and sets are done by sending additional
5817 * values with a zero-length name...
5820 *bufptr++ = (ipp_uchar_t)attr->value_tag;
5826 * Range values consist of a 2-byte length,
5827 * 4-byte lower value, and 4-byte upper value.
5829 * Put the 2-byte length and range value data
5835 *bufptr++ = (ipp_uchar_t)(value->range.lower >> 24);
5836 *bufptr++ = (ipp_uchar_t)(value->range.lower >> 16);
5837 *bufptr++ = (ipp_uchar_t)(value->range.lower >> 8);
5838 *bufptr++ = (ipp_uchar_t)value->range.lower;
5839 *bufptr++ = (ipp_uchar_t)(value->range.upper >> 24);
5840 *bufptr++ = (ipp_uchar_t)(value->range.upper >> 16);
5841 *bufptr++ = (ipp_uchar_t)(value->range.upper >> 8);
5842 *bufptr++ = (ipp_uchar_t)value->range.upper;
5846 case IPP_TAG_TEXTLANG :
5847 case IPP_TAG_NAMELANG :
5848 for (i = 0, value = attr->values;
5849 i < attr->num_values;
5855 * Arrays and sets are done by sending additional
5856 * values with a zero-length name...
5859 if ((IPP_BUF_SIZE - (bufptr - buffer)) < 3)
5861 if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0)
5863 DEBUG_puts("1ippWriteIO: Could not write IPP "
5865 _cupsBufferRelease((char *)buffer);
5866 return (IPP_STATE_ERROR);
5872 *bufptr++ = (ipp_uchar_t)attr->value_tag;
5878 * textWithLanguage and nameWithLanguage values consist
5879 * of a 2-byte length for both strings and their
5880 * individual lengths, a 2-byte length for the
5881 * character string, the character string without the
5882 * trailing nul, a 2-byte length for the character
5883 * set string, and the character set string without
5889 if (value->string.language != NULL)
5890 n += (int)strlen(value->string.language);
5892 if (value->string.text != NULL)
5893 n += (int)strlen(value->string.text);
5895 if (n > (IPP_BUF_SIZE - 2))
5897 DEBUG_printf(("1ippWriteIO: text/nameWithLanguage value "
5898 "too long (%d)", n));
5899 _cupsBufferRelease((char *)buffer);
5900 return (IPP_STATE_ERROR);
5903 if ((int)(IPP_BUF_SIZE - (bufptr - buffer)) < (n + 2))
5905 if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0)
5907 DEBUG_puts("1ippWriteIO: Could not write IPP "
5909 _cupsBufferRelease((char *)buffer);
5910 return (IPP_STATE_ERROR);
5916 /* Length of entire value */
5917 *bufptr++ = (ipp_uchar_t)(n >> 8);
5918 *bufptr++ = (ipp_uchar_t)n;
5920 /* Length of language */
5921 if (value->string.language != NULL)
5922 n = (int)strlen(value->string.language);
5926 *bufptr++ = (ipp_uchar_t)(n >> 8);
5927 *bufptr++ = (ipp_uchar_t)n;
5932 memcpy(bufptr, value->string.language, (size_t)n);
5936 /* Length of text */
5937 if (value->string.text != NULL)
5938 n = (int)strlen(value->string.text);
5942 *bufptr++ = (ipp_uchar_t)(n >> 8);
5943 *bufptr++ = (ipp_uchar_t)n;
5948 memcpy(bufptr, value->string.text, (size_t)n);
5954 case IPP_TAG_BEGIN_COLLECTION :
5955 for (i = 0, value = attr->values;
5956 i < attr->num_values;
5960 * Collections are written with the begin-collection
5961 * tag first with a value of 0 length, followed by the
5962 * attributes in the collection, then the end-collection
5966 if ((IPP_BUF_SIZE - (bufptr - buffer)) < 5)
5968 if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0)
5970 DEBUG_puts("1ippWriteIO: Could not write IPP "
5972 _cupsBufferRelease((char *)buffer);
5973 return (IPP_STATE_ERROR);
5982 * Arrays and sets are done by sending additional
5983 * values with a zero-length name...
5986 *bufptr++ = (ipp_uchar_t)attr->value_tag;
5992 * Write a data length of 0 and flush the buffer...
5998 if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0)
6000 DEBUG_puts("1ippWriteIO: Could not write IPP "
6002 _cupsBufferRelease((char *)buffer);
6003 return (IPP_STATE_ERROR);
6009 * Then write the collection attribute...
6012 value->collection->state = IPP_STATE_IDLE;
6014 if (ippWriteIO(dst, cb, 1, ipp,
6015 value->collection) == IPP_STATE_ERROR)
6017 DEBUG_puts("1ippWriteIO: Unable to write collection value");
6018 _cupsBufferRelease((char *)buffer);
6019 return (IPP_STATE_ERROR);
6025 for (i = 0, value = attr->values;
6026 i < attr->num_values;
6032 * Arrays and sets are done by sending additional
6033 * values with a zero-length name...
6036 if ((IPP_BUF_SIZE - (bufptr - buffer)) < 3)
6038 if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0)
6040 DEBUG_puts("1ippWriteIO: Could not write IPP "
6042 _cupsBufferRelease((char *)buffer);
6043 return (IPP_STATE_ERROR);
6049 *bufptr++ = (ipp_uchar_t)attr->value_tag;
6055 * An unknown value might some new value that a
6056 * vendor has come up with. It consists of a
6057 * 2-byte length and the bytes in the unknown
6061 n = value->unknown.length;
6063 if (n > (IPP_BUF_SIZE - 2))
6065 DEBUG_printf(("1ippWriteIO: Data length too long (%d)",
6067 _cupsBufferRelease((char *)buffer);
6068 return (IPP_STATE_ERROR);
6071 if ((int)(IPP_BUF_SIZE - (bufptr - buffer)) < (n + 2))
6073 if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0)
6075 DEBUG_puts("1ippWriteIO: Could not write IPP "
6077 _cupsBufferRelease((char *)buffer);
6078 return (IPP_STATE_ERROR);
6084 /* Length of unknown value */
6085 *bufptr++ = (ipp_uchar_t)(n >> 8);
6086 *bufptr++ = (ipp_uchar_t)n;
6091 memcpy(bufptr, value->unknown.data, (size_t)n);
6099 * Write the data out...
6102 if (bufptr > buffer)
6104 if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0)
6106 DEBUG_puts("1ippWriteIO: Could not write IPP attribute...");
6107 _cupsBufferRelease((char *)buffer);
6108 return (IPP_STATE_ERROR);
6111 DEBUG_printf(("2ippWriteIO: wrote %d bytes",
6112 (int)(bufptr - buffer)));
6116 * If blocking is disabled and we aren't at the end of the attribute
6117 * list, stop here...
6120 if (!blocking && ipp->current)
6124 if (ipp->current == NULL)
6127 * Done with all of the attributes; add the end-of-attributes
6128 * tag or end-collection attribute...
6133 buffer[0] = IPP_TAG_END;
6138 buffer[0] = IPP_TAG_END_COLLECTION;
6139 buffer[1] = 0; /* empty name */
6141 buffer[3] = 0; /* empty value */
6146 if ((*cb)(dst, buffer, (size_t)n) < 0)
6148 DEBUG_puts("1ippWriteIO: Could not write IPP end-tag...");
6149 _cupsBufferRelease((char *)buffer);
6150 return (IPP_STATE_ERROR);
6153 ipp->state = IPP_STATE_DATA;
6157 case IPP_STATE_DATA :
6161 break; /* anti-compiler-warning-code */
6164 _cupsBufferRelease((char *)buffer);
6166 return (ipp->state);
6171 * 'ipp_add_attr()' - Add a new attribute to the message.
6174 static ipp_attribute_t * /* O - New attribute */
6175 ipp_add_attr(ipp_t *ipp, /* I - IPP message */
6176 const char *name, /* I - Attribute name or NULL */
6177 ipp_tag_t group_tag, /* I - Group tag or IPP_TAG_ZERO */
6178 ipp_tag_t value_tag, /* I - Value tag or IPP_TAG_ZERO */
6179 int num_values) /* I - Number of values */
6181 int alloc_values; /* Number of values to allocate */
6182 ipp_attribute_t *attr; /* New attribute */
6185 DEBUG_printf(("4ipp_add_attr(ipp=%p, name=\"%s\", group_tag=0x%x, value_tag=0x%x, num_values=%d)", (void *)ipp, name, group_tag, value_tag, num_values));
6188 * Range check input...
6191 if (!ipp || num_values < 0)
6195 * Allocate memory, rounding the allocation up as needed...
6198 if (num_values <= 1)
6201 alloc_values = (num_values + IPP_MAX_VALUES - 1) & ~(IPP_MAX_VALUES - 1);
6203 attr = calloc(sizeof(ipp_attribute_t) +
6204 (size_t)(alloc_values - 1) * sizeof(_ipp_value_t), 1);
6209 * Initialize attribute...
6212 DEBUG_printf(("4debug_alloc: %p %s %s%s (%d values)", (void *)attr, name, num_values > 1 ? "1setOf " : "", ippTagString(value_tag), num_values));
6215 attr->name = _cupsStrAlloc(name);
6217 attr->group_tag = group_tag;
6218 attr->value_tag = value_tag;
6219 attr->num_values = num_values;
6222 * Add it to the end of the linked list...
6226 ipp->last->next = attr;
6230 ipp->prev = ipp->last;
6231 ipp->last = ipp->current = attr;
6234 DEBUG_printf(("5ipp_add_attr: Returning %p", (void *)attr));
6241 * 'ipp_free_values()' - Free attribute values.
6245 ipp_free_values(ipp_attribute_t *attr, /* I - Attribute to free values from */
6246 int element,/* I - First value to free */
6247 int count) /* I - Number of values to free */
6249 int i; /* Looping var */
6250 _ipp_value_t *value; /* Current value */
6253 DEBUG_printf(("4ipp_free_values(attr=%p, element=%d, count=%d)", (void *)attr, element, count));
6255 if (!(attr->value_tag & IPP_TAG_CUPS_CONST))
6258 * Free values as needed...
6261 switch (attr->value_tag)
6263 case IPP_TAG_TEXTLANG :
6264 case IPP_TAG_NAMELANG :
6265 if (element == 0 && count == attr->num_values &&
6266 attr->values[0].string.language)
6268 _cupsStrFree(attr->values[0].string.language);
6269 attr->values[0].string.language = NULL;
6271 /* Fall through to other string values */
6275 case IPP_TAG_RESERVED_STRING :
6276 case IPP_TAG_KEYWORD :
6278 case IPP_TAG_URISCHEME :
6279 case IPP_TAG_CHARSET :
6280 case IPP_TAG_LANGUAGE :
6281 case IPP_TAG_MIMETYPE :
6282 for (i = count, value = attr->values + element;
6286 _cupsStrFree(value->string.text);
6287 value->string.text = NULL;
6291 case IPP_TAG_UNSUPPORTED_VALUE :
6292 case IPP_TAG_DEFAULT :
6293 case IPP_TAG_UNKNOWN :
6294 case IPP_TAG_NOVALUE :
6295 case IPP_TAG_NOTSETTABLE :
6296 case IPP_TAG_DELETEATTR :
6297 case IPP_TAG_ADMINDEFINE :
6298 case IPP_TAG_INTEGER :
6300 case IPP_TAG_BOOLEAN :
6302 case IPP_TAG_RESOLUTION :
6303 case IPP_TAG_RANGE :
6306 case IPP_TAG_BEGIN_COLLECTION :
6307 for (i = count, value = attr->values + element;
6311 ippDelete(value->collection);
6312 value->collection = NULL;
6316 case IPP_TAG_STRING :
6318 for (i = count, value = attr->values + element;
6322 if (value->unknown.data)
6324 free(value->unknown.data);
6325 value->unknown.data = NULL;
6333 * If we are not freeing values from the end, move the remaining values up...
6336 if ((element + count) < attr->num_values)
6337 memmove(attr->values + element, attr->values + element + count,
6338 (size_t)(attr->num_values - count - element) * sizeof(_ipp_value_t));
6340 attr->num_values -= count;
6345 * 'ipp_get_code()' - Convert a C locale/charset name into an IPP language/charset code.
6347 * This typically converts strings of the form "ll_CC", "ll-REGION", and "CHARSET_NUMBER"
6348 * to "ll-cc", "ll-region", and "charset-number", respectively.
6351 static char * /* O - Language code string */
6352 ipp_get_code(const char *value, /* I - Locale/charset string */
6353 char *buffer, /* I - String buffer */
6354 size_t bufsize) /* I - Size of string buffer */
6356 char *bufptr, /* Pointer into buffer */
6357 *bufend; /* End of buffer */
6361 * Convert values to lowercase and change _ to - as needed...
6364 for (bufptr = buffer, bufend = buffer + bufsize - 1;
6365 *value && bufptr < bufend;
6370 *bufptr++ = (char)_cups_tolower(*value);
6375 * Return the converted string...
6383 * 'ipp_lang_code()' - Convert a C locale name into an IPP language code.
6385 * This typically converts strings of the form "ll_CC" and "ll-REGION" to "ll-cc" and
6386 * "ll-region", respectively. It also converts the "C" (POSIX) locale to "en".
6389 static char * /* O - Language code string */
6390 ipp_lang_code(const char *locale, /* I - Locale string */
6391 char *buffer, /* I - String buffer */
6392 size_t bufsize) /* I - Size of string buffer */
6395 * Map POSIX ("C") locale to generic English, otherwise convert the locale string as-is.
6398 if (!_cups_strcasecmp(locale, "c"))
6400 strlcpy(buffer, "en", bufsize);
6404 return (ipp_get_code(locale, buffer, bufsize));
6409 * 'ipp_length()' - Compute the length of an IPP message or collection value.
6412 static size_t /* O - Size of IPP message */
6413 ipp_length(ipp_t *ipp, /* I - IPP message or collection */
6414 int collection) /* I - 1 if a collection, 0 otherwise */
6416 int i; /* Looping var */
6417 size_t bytes; /* Number of bytes */
6418 ipp_attribute_t *attr; /* Current attribute */
6419 ipp_tag_t group; /* Current group */
6420 _ipp_value_t *value; /* Current value */
6423 DEBUG_printf(("3ipp_length(ipp=%p, collection=%d)", (void *)ipp, collection));
6427 DEBUG_puts("4ipp_length: Returning 0 bytes");
6432 * Start with 8 bytes for the IPP message header...
6435 bytes = collection ? 0 : 8;
6438 * Then add the lengths of each attribute...
6441 group = IPP_TAG_ZERO;
6443 for (attr = ipp->attrs; attr != NULL; attr = attr->next)
6445 if (attr->group_tag != group && !collection)
6447 group = attr->group_tag;
6448 if (group == IPP_TAG_ZERO)
6451 bytes ++; /* Group tag */
6457 DEBUG_printf(("5ipp_length: attr->name=\"%s\", attr->num_values=%d, "
6458 "bytes=" CUPS_LLFMT, attr->name, attr->num_values, CUPS_LLCAST bytes));
6460 if ((attr->value_tag & ~IPP_TAG_CUPS_CONST) < IPP_TAG_EXTENSION)
6461 bytes += (size_t)attr->num_values;/* Value tag for each value */
6463 bytes += (size_t)(5 * attr->num_values);
6464 /* Value tag for each value */
6465 bytes += (size_t)(2 * attr->num_values);
6467 bytes += strlen(attr->name); /* Name */
6468 bytes += (size_t)(2 * attr->num_values);
6472 bytes += 5; /* Add membername overhead */
6474 switch (attr->value_tag & ~IPP_TAG_CUPS_CONST)
6476 case IPP_TAG_UNSUPPORTED_VALUE :
6477 case IPP_TAG_DEFAULT :
6478 case IPP_TAG_UNKNOWN :
6479 case IPP_TAG_NOVALUE :
6480 case IPP_TAG_NOTSETTABLE :
6481 case IPP_TAG_DELETEATTR :
6482 case IPP_TAG_ADMINDEFINE :
6485 case IPP_TAG_INTEGER :
6487 bytes += (size_t)(4 * attr->num_values);
6490 case IPP_TAG_BOOLEAN :
6491 bytes += (size_t)attr->num_values;
6496 case IPP_TAG_KEYWORD :
6498 case IPP_TAG_URISCHEME :
6499 case IPP_TAG_CHARSET :
6500 case IPP_TAG_LANGUAGE :
6501 case IPP_TAG_MIMETYPE :
6502 for (i = 0, value = attr->values;
6503 i < attr->num_values;
6505 if (value->string.text)
6506 bytes += strlen(value->string.text);
6510 bytes += (size_t)(11 * attr->num_values);
6513 case IPP_TAG_RESOLUTION :
6514 bytes += (size_t)(9 * attr->num_values);
6517 case IPP_TAG_RANGE :
6518 bytes += (size_t)(8 * attr->num_values);
6521 case IPP_TAG_TEXTLANG :
6522 case IPP_TAG_NAMELANG :
6523 bytes += (size_t)(4 * attr->num_values);
6524 /* Charset + text length */
6526 for (i = 0, value = attr->values;
6527 i < attr->num_values;
6530 if (value->string.language)
6531 bytes += strlen(value->string.language);
6533 if (value->string.text)
6534 bytes += strlen(value->string.text);
6538 case IPP_TAG_BEGIN_COLLECTION :
6539 for (i = 0, value = attr->values;
6540 i < attr->num_values;
6542 bytes += ipp_length(value->collection, 1);
6546 for (i = 0, value = attr->values;
6547 i < attr->num_values;
6549 bytes += (size_t)value->unknown.length;
6555 * Finally, add 1 byte for the "end of attributes" tag or 5 bytes
6556 * for the "end of collection" tag and return...
6564 DEBUG_printf(("4ipp_length: Returning " CUPS_LLFMT " bytes", CUPS_LLCAST bytes));
6571 * 'ipp_read_http()' - Semi-blocking read on a HTTP connection...
6574 static ssize_t /* O - Number of bytes read */
6575 ipp_read_http(http_t *http, /* I - Client connection */
6576 ipp_uchar_t *buffer, /* O - Buffer for data */
6577 size_t length) /* I - Total length */
6579 ssize_t tbytes, /* Total bytes read */
6580 bytes; /* Bytes read this pass */
6583 DEBUG_printf(("7ipp_read_http(http=%p, buffer=%p, length=%d)", (void *)http, (void *)buffer, (int)length));
6586 * Loop until all bytes are read...
6589 for (tbytes = 0, bytes = 0;
6590 tbytes < (int)length;
6591 tbytes += bytes, buffer += bytes)
6593 DEBUG_printf(("9ipp_read_http: tbytes=" CUPS_LLFMT ", http->state=%d", CUPS_LLCAST tbytes, http->state));
6595 if (http->state == HTTP_STATE_WAITING)
6598 if (http->used == 0 && !http->blocking)
6601 * Wait up to 10 seconds for more data on non-blocking sockets...
6604 if (!httpWait(http, 10000))
6614 else if (http->used == 0 && http->timeout_value > 0)
6617 * Wait up to timeout seconds for more data on blocking sockets...
6620 if (!httpWait(http, (int)(1000 * http->timeout_value)))
6631 if ((bytes = httpRead2(http, (char *)buffer, length - (size_t)tbytes)) < 0)
6636 if (errno != EAGAIN && errno != EINTR)
6642 else if (bytes == 0)
6647 * Return the number of bytes read...
6650 if (tbytes == 0 && bytes < 0)
6653 DEBUG_printf(("8ipp_read_http: Returning " CUPS_LLFMT " bytes", CUPS_LLCAST tbytes));
6660 * 'ipp_read_file()' - Read IPP data from a file.
6663 static ssize_t /* O - Number of bytes read */
6664 ipp_read_file(int *fd, /* I - File descriptor */
6665 ipp_uchar_t *buffer, /* O - Read buffer */
6666 size_t length) /* I - Number of bytes to read */
6669 return ((ssize_t)read(*fd, buffer, (unsigned)length));
6671 return (read(*fd, buffer, length));
6677 * 'ipp_set_error()' - Set a formatted, localized error string.
6681 ipp_set_error(ipp_status_t status, /* I - Status code */
6682 const char *format, /* I - Printf-style error string */
6683 ...) /* I - Additional arguments as needed */
6685 va_list ap; /* Pointer to additional args */
6686 char buffer[2048]; /* Message buffer */
6687 cups_lang_t *lang = cupsLangDefault();
6688 /* Current language */
6691 va_start(ap, format);
6692 vsnprintf(buffer, sizeof(buffer), _cupsLangString(lang, format), ap);
6695 _cupsSetError(status, buffer, 0);
6700 * 'ipp_set_value()' - Get the value element from an attribute, expanding it as
6704 static _ipp_value_t * /* O - IPP value element or NULL on error */
6705 ipp_set_value(ipp_t *ipp, /* IO - IPP message */
6706 ipp_attribute_t **attr, /* IO - IPP attribute */
6707 int element) /* I - Value number (0-based) */
6709 ipp_attribute_t *temp, /* New attribute pointer */
6710 *current, /* Current attribute in list */
6711 *prev; /* Previous attribute in list */
6712 int alloc_values; /* Allocated values */
6716 * If we are setting an existing value element, return it...
6721 if (temp->num_values <= 1)
6724 alloc_values = (temp->num_values + IPP_MAX_VALUES - 1) &
6725 ~(IPP_MAX_VALUES - 1);
6727 if (element < alloc_values)
6729 if (element >= temp->num_values)
6730 temp->num_values = element + 1;
6732 return (temp->values + element);
6736 * Otherwise re-allocate the attribute - we allocate in groups of IPP_MAX_VALUE
6737 * values when num_values > 1.
6740 if (alloc_values < IPP_MAX_VALUES)
6741 alloc_values = IPP_MAX_VALUES;
6743 alloc_values += IPP_MAX_VALUES;
6745 DEBUG_printf(("4ipp_set_value: Reallocating for up to %d values.",
6749 * Reallocate memory...
6752 if ((temp = realloc(temp, sizeof(ipp_attribute_t) + (size_t)(alloc_values - 1) * sizeof(_ipp_value_t))) == NULL)
6754 _cupsSetHTTPError(HTTP_STATUS_ERROR);
6755 DEBUG_puts("4ipp_set_value: Unable to resize attribute.");
6760 * Zero the new memory...
6763 memset(temp->values + temp->num_values, 0, (size_t)(alloc_values - temp->num_values) * sizeof(_ipp_value_t));
6768 * Reset pointers in the list...
6771 #ifndef __clang_analyzer__
6772 DEBUG_printf(("4debug_free: %p %s", (void *)*attr, temp->name));
6773 #endif /* !__clang_analyzer__ */
6774 DEBUG_printf(("4debug_alloc: %p %s %s%s (%d)", (void *)temp, temp->name, temp->num_values > 1 ? "1setOf " : "", ippTagString(temp->value_tag), temp->num_values));
6776 if (ipp->current == *attr && ipp->prev)
6779 * Use current "previous" pointer...
6787 * Find this attribute in the linked list...
6790 for (prev = NULL, current = ipp->attrs;
6791 current && current != *attr;
6792 prev = current, current = current->next);
6797 * This is a serious error!
6801 _cupsSetError(IPP_STATUS_ERROR_INTERNAL,
6802 _("IPP attribute is not a member of the message."), 1);
6803 DEBUG_puts("4ipp_set_value: Unable to find attribute in message.");
6813 ipp->current = temp;
6816 if (ipp->last == *attr)
6823 * Return the value element...
6826 if (element >= temp->num_values)
6827 temp->num_values = element + 1;
6829 return (temp->values + element);
6834 * 'ipp_write_file()' - Write IPP data to a file.
6837 static ssize_t /* O - Number of bytes written */
6838 ipp_write_file(int *fd, /* I - File descriptor */
6839 ipp_uchar_t *buffer, /* I - Data to write */
6840 size_t length) /* I - Number of bytes to write */
6843 return ((ssize_t)write(*fd, buffer, (unsigned)length));
6845 return (write(*fd, buffer, length));