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1 | /* | |
2 | * "$Id: ipp.c 5624 2006-06-02 15:15:23Z mike $" | |
3 | * | |
4 | * Internet Printing Protocol support functions for the Common UNIX | |
5 | * Printing System (CUPS). | |
6 | * | |
7 | * Copyright 1997-2006 by Easy Software Products, all rights reserved. | |
8 | * | |
9 | * These coded instructions, statements, and computer programs are the | |
10 | * property of Easy Software Products and are protected by Federal | |
11 | * copyright law. Distribution and use rights are outlined in the file | |
12 | * "LICENSE.txt" which should have been included with this file. If this | |
13 | * file is missing or damaged please contact Easy Software Products | |
14 | * at: | |
15 | * | |
16 | * Attn: CUPS Licensing Information | |
17 | * Easy Software Products | |
18 | * 44141 Airport View Drive, Suite 204 | |
19 | * Hollywood, Maryland 20636 USA | |
20 | * | |
21 | * Voice: (301) 373-9600 | |
22 | * EMail: cups-info@cups.org | |
23 | * WWW: http://www.cups.org | |
24 | * | |
25 | * This file is subject to the Apple OS-Developed Software exception. | |
26 | * | |
27 | * Contents: | |
28 | * | |
29 | * ippAddBoolean() - Add a boolean attribute to an IPP message. | |
30 | * ippAddBooleans() - Add an array of boolean values. | |
31 | * ippAddDate() - Add a date attribute to an IPP message. | |
32 | * ippAddInteger() - Add a integer attribute to an IPP message. | |
33 | * ippAddIntegers() - Add an array of integer values. | |
34 | * ippAddOctetString() - Add an octetString value to an IPP message. | |
35 | * ippAddString() - Add a language-encoded string to an IPP message. | |
36 | * ippAddStrings() - Add language-encoded strings to an IPP message. | |
37 | * ippAddRange() - Add a range of values to an IPP message. | |
38 | * ippAddRanges() - Add ranges of values to an IPP message. | |
39 | * ippAddResolution() - Add a resolution value to an IPP message. | |
40 | * ippAddResolutions() - Add resolution values to an IPP message. | |
41 | * ippAddSeparator() - Add a group separator to an IPP message. | |
42 | * ippDateToTime() - Convert from RFC 1903 Date/Time format to | |
43 | * UNIX time in seconds. | |
44 | * ippDelete() - Delete an IPP message. | |
45 | * ippDeleteAttribute() - Delete a single attribute in an IPP message. | |
46 | * ippFindAttribute() - Find a named attribute in a request... | |
47 | * ippFindNextAttribute() - Find the next named attribute in a request... | |
48 | * ippLength() - Compute the length of an IPP message. | |
49 | * ippNew() - Allocate a new IPP message. | |
50 | * ippNewRequest() - Allocate a new IPP message. | |
51 | * ippRead() - Read data for an IPP message from a HTTP | |
52 | * connection. | |
53 | * ippReadFile() - Read data for an IPP message from a file. | |
54 | * ippReadIO() - Read data for an IPP message. | |
55 | * ippTimeToDate() - Convert from UNIX time to RFC 1903 format. | |
56 | * ippWrite() - Write data for an IPP message to a HTTP | |
57 | * connection. | |
58 | * ippWriteFile() - Write data for an IPP message to a file. | |
59 | * ippWriteIO() - Write data for an IPP message. | |
60 | * _ippAddAttr() - Add a new attribute to the request. | |
61 | * _ippFreeAttr() - Free an attribute. | |
62 | * ipp_length() - Compute the length of an IPP message or | |
63 | * collection value. | |
64 | * ipp_read_http() - Semi-blocking read on a HTTP connection... | |
65 | * ipp_read_file() - Read IPP data from a file. | |
66 | * ipp_write_file() - Write IPP data to a file. | |
67 | */ | |
68 | ||
69 | /* | |
70 | * Include necessary headers... | |
71 | */ | |
72 | ||
73 | #include "http-private.h" | |
74 | #include "globals.h" | |
75 | #include "debug.h" | |
76 | #include <stdlib.h> | |
77 | #include <errno.h> | |
78 | #ifdef WIN32 | |
79 | # include <io.h> | |
80 | #endif /* WIN32 */ | |
81 | ||
82 | ||
83 | /* | |
84 | * Local functions... | |
85 | */ | |
86 | ||
87 | static size_t ipp_length(ipp_t *ipp, int collection); | |
88 | static ssize_t ipp_read_http(http_t *http, ipp_uchar_t *buffer, | |
89 | size_t length); | |
90 | static ssize_t ipp_read_file(int *fd, ipp_uchar_t *buffer, | |
91 | size_t length); | |
92 | static ssize_t ipp_write_file(int *fd, ipp_uchar_t *buffer, | |
93 | size_t length); | |
94 | ||
95 | ||
96 | /* | |
97 | * 'ippAddBoolean()' - Add a boolean attribute to an IPP message. | |
98 | */ | |
99 | ||
100 | ipp_attribute_t * /* O - New attribute */ | |
101 | ippAddBoolean(ipp_t *ipp, /* I - IPP message */ | |
102 | ipp_tag_t group, /* I - IPP group */ | |
103 | const char *name, /* I - Name of attribute */ | |
104 | char value) /* I - Value of attribute */ | |
105 | { | |
106 | ipp_attribute_t *attr; /* New attribute */ | |
107 | ||
108 | ||
109 | DEBUG_printf(("ippAddBoolean(%p, %02x, \'%s\', %d)\n", ipp, group, name, value)); | |
110 | ||
111 | if (ipp == NULL || name == NULL) | |
112 | return (NULL); | |
113 | ||
114 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) | |
115 | return (NULL); | |
116 | ||
117 | attr->name = _cupsStrAlloc(name); | |
118 | attr->group_tag = group; | |
119 | attr->value_tag = IPP_TAG_BOOLEAN; | |
120 | attr->values[0].boolean = value; | |
121 | ||
122 | return (attr); | |
123 | } | |
124 | ||
125 | ||
126 | /* | |
127 | * 'ippAddBooleans()' - Add an array of boolean values. | |
128 | */ | |
129 | ||
130 | ipp_attribute_t * /* O - New attribute */ | |
131 | ippAddBooleans(ipp_t *ipp, /* I - IPP message */ | |
132 | ipp_tag_t group, /* I - IPP group */ | |
133 | const char *name, /* I - Name of attribute */ | |
134 | int num_values, /* I - Number of values */ | |
135 | const char *values) /* I - Values */ | |
136 | { | |
137 | int i; /* Looping var */ | |
138 | ipp_attribute_t *attr; /* New attribute */ | |
139 | ipp_value_t *value; /* Current value */ | |
140 | ||
141 | ||
142 | DEBUG_printf(("ippAddBooleans(%p, %02x, \'%s\', %d, %p)\n", ipp, | |
143 | group, name, num_values, values)); | |
144 | ||
145 | if (ipp == NULL || name == NULL || num_values < 1) | |
146 | return (NULL); | |
147 | ||
148 | if ((attr = _ippAddAttr(ipp, num_values)) == NULL) | |
149 | return (NULL); | |
150 | ||
151 | attr->name = _cupsStrAlloc(name); | |
152 | attr->group_tag = group; | |
153 | attr->value_tag = IPP_TAG_BOOLEAN; | |
154 | ||
155 | if (values != NULL) | |
156 | for (i = 0, value = attr->values; | |
157 | i < num_values; | |
158 | i ++, value ++) | |
159 | value->boolean = values[i]; | |
160 | ||
161 | return (attr); | |
162 | } | |
163 | ||
164 | ||
165 | /* | |
166 | * 'ippAddCollection()' - Add a collection value. | |
167 | * | |
168 | * @since CUPS 1.1.19@ | |
169 | */ | |
170 | ||
171 | ipp_attribute_t * /* O - New attribute */ | |
172 | ippAddCollection(ipp_t *ipp, /* I - IPP message */ | |
173 | ipp_tag_t group, /* I - IPP group */ | |
174 | const char *name, /* I - Name of attribute */ | |
175 | ipp_t *value) /* I - Value */ | |
176 | { | |
177 | ipp_attribute_t *attr; /* New attribute */ | |
178 | ||
179 | ||
180 | DEBUG_printf(("ippAddCollection(%p, %02x, \'%s\', %p)\n", ipp, group, name, | |
181 | value)); | |
182 | ||
183 | if (ipp == NULL || name == NULL) | |
184 | return (NULL); | |
185 | ||
186 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) | |
187 | return (NULL); | |
188 | ||
189 | attr->name = _cupsStrAlloc(name); | |
190 | attr->group_tag = group; | |
191 | attr->value_tag = IPP_TAG_BEGIN_COLLECTION; | |
192 | attr->values[0].collection = value; | |
193 | ||
194 | return (attr); | |
195 | } | |
196 | ||
197 | ||
198 | /* | |
199 | * 'ippAddCollections()' - Add an array of collection values. | |
200 | * | |
201 | * @since CUPS 1.1.19@ | |
202 | */ | |
203 | ||
204 | ipp_attribute_t * /* O - New attribute */ | |
205 | ippAddCollections( | |
206 | ipp_t *ipp, /* I - IPP message */ | |
207 | ipp_tag_t group, /* I - IPP group */ | |
208 | const char *name, /* I - Name of attribute */ | |
209 | int num_values, /* I - Number of values */ | |
210 | const ipp_t **values) /* I - Values */ | |
211 | { | |
212 | int i; /* Looping var */ | |
213 | ipp_attribute_t *attr; /* New attribute */ | |
214 | ipp_value_t *value; /* Current value */ | |
215 | ||
216 | ||
217 | DEBUG_printf(("ippAddCollections(%p, %02x, \'%s\', %d, %p)\n", ipp, | |
218 | group, name, num_values, values)); | |
219 | ||
220 | if (ipp == NULL || name == NULL || num_values < 1) | |
221 | return (NULL); | |
222 | ||
223 | if ((attr = _ippAddAttr(ipp, num_values)) == NULL) | |
224 | return (NULL); | |
225 | ||
226 | attr->name = _cupsStrAlloc(name); | |
227 | attr->group_tag = group; | |
228 | attr->value_tag = IPP_TAG_BEGIN_COLLECTION; | |
229 | ||
230 | if (values != NULL) | |
231 | for (i = 0, value = attr->values; | |
232 | i < num_values; | |
233 | i ++, value ++) | |
234 | value->collection = (ipp_t *)values[i]; | |
235 | ||
236 | return (attr); | |
237 | } | |
238 | ||
239 | ||
240 | /* | |
241 | * 'ippAddDate()' - Add a date attribute to an IPP message. | |
242 | */ | |
243 | ||
244 | ipp_attribute_t * /* O - New attribute */ | |
245 | ippAddDate(ipp_t *ipp, /* I - IPP message */ | |
246 | ipp_tag_t group, /* I - IPP group */ | |
247 | const char *name, /* I - Name of attribute */ | |
248 | const ipp_uchar_t *value) /* I - Value */ | |
249 | { | |
250 | ipp_attribute_t *attr; /* New attribute */ | |
251 | ||
252 | ||
253 | DEBUG_printf(("ippAddDate(%p, %02x, \'%s\', %p)\n", ipp, group, name, | |
254 | value)); | |
255 | ||
256 | if (ipp == NULL || name == NULL || value == NULL) | |
257 | return (NULL); | |
258 | ||
259 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) | |
260 | return (NULL); | |
261 | ||
262 | attr->name = _cupsStrAlloc(name); | |
263 | attr->group_tag = group; | |
264 | attr->value_tag = IPP_TAG_DATE; | |
265 | memcpy(attr->values[0].date, value, 11); | |
266 | ||
267 | return (attr); | |
268 | } | |
269 | ||
270 | ||
271 | /* | |
272 | * 'ippAddInteger()' - Add a integer attribute to an IPP message. | |
273 | */ | |
274 | ||
275 | ipp_attribute_t * /* O - New attribute */ | |
276 | ippAddInteger(ipp_t *ipp, /* I - IPP message */ | |
277 | ipp_tag_t group, /* I - IPP group */ | |
278 | ipp_tag_t type, /* I - Type of attribute */ | |
279 | const char *name, /* I - Name of attribute */ | |
280 | int value) /* I - Value of attribute */ | |
281 | { | |
282 | ipp_attribute_t *attr; /* New attribute */ | |
283 | ||
284 | ||
285 | DEBUG_printf(("ippAddInteger(%p, %d, \'%s\', %d)\n", ipp, group, name, | |
286 | value)); | |
287 | ||
288 | if (ipp == NULL || name == NULL) | |
289 | return (NULL); | |
290 | ||
291 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) | |
292 | return (NULL); | |
293 | ||
294 | attr->name = _cupsStrAlloc(name); | |
295 | attr->group_tag = group; | |
296 | attr->value_tag = type; | |
297 | attr->values[0].integer = value; | |
298 | ||
299 | return (attr); | |
300 | } | |
301 | ||
302 | ||
303 | /* | |
304 | * 'ippAddIntegers()' - Add an array of integer values. | |
305 | */ | |
306 | ||
307 | ipp_attribute_t * /* O - New attribute */ | |
308 | ippAddIntegers(ipp_t *ipp, /* I - IPP message */ | |
309 | ipp_tag_t group, /* I - IPP group */ | |
310 | ipp_tag_t type, /* I - Type of attribute */ | |
311 | const char *name, /* I - Name of attribute */ | |
312 | int num_values, /* I - Number of values */ | |
313 | const int *values) /* I - Values */ | |
314 | { | |
315 | int i; /* Looping var */ | |
316 | ipp_attribute_t *attr; /* New attribute */ | |
317 | ipp_value_t *value; /* Current value */ | |
318 | ||
319 | ||
320 | if (ipp == NULL || name == NULL || num_values < 1) | |
321 | return (NULL); | |
322 | ||
323 | if ((attr = _ippAddAttr(ipp, num_values)) == NULL) | |
324 | return (NULL); | |
325 | ||
326 | attr->name = _cupsStrAlloc(name); | |
327 | attr->group_tag = group; | |
328 | attr->value_tag = type; | |
329 | ||
330 | if (values != NULL) | |
331 | for (i = 0, value = attr->values; | |
332 | i < num_values; | |
333 | i ++, value ++) | |
334 | value->integer = values[i]; | |
335 | ||
336 | return (attr); | |
337 | } | |
338 | ||
339 | ||
340 | /* | |
341 | * 'ippAddOctetString()' - Add an octetString value to an IPP message. | |
342 | * | |
343 | * @since CUPS 1.2@ | |
344 | */ | |
345 | ||
346 | ipp_attribute_t * /* O - New attribute */ | |
347 | ippAddOctetString(ipp_t *ipp, /* I - IPP message */ | |
348 | ipp_tag_t group, /* I - IPP group */ | |
349 | const char *name, /* I - Name of attribute */ | |
350 | const void *data, /* I - octetString data */ | |
351 | int datalen) /* I - Length of data in bytes */ | |
352 | { | |
353 | ipp_attribute_t *attr; /* New attribute */ | |
354 | ||
355 | ||
356 | if (ipp == NULL || name == NULL) | |
357 | return (NULL); | |
358 | ||
359 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) | |
360 | return (NULL); | |
361 | ||
362 | /* | |
363 | * Initialize the attribute data... | |
364 | */ | |
365 | ||
366 | attr->name = _cupsStrAlloc(name); | |
367 | attr->group_tag = group; | |
368 | attr->value_tag = IPP_TAG_STRING; | |
369 | attr->values[0].unknown.length = datalen; | |
370 | ||
371 | if (data) | |
372 | { | |
373 | attr->values[0].unknown.data = malloc(datalen); | |
374 | memcpy(attr->values[0].unknown.data, data, datalen); | |
375 | } | |
376 | ||
377 | /* | |
378 | * Return the new attribute... | |
379 | */ | |
380 | ||
381 | return (attr); | |
382 | } | |
383 | ||
384 | ||
385 | /* | |
386 | * 'ippAddString()' - Add a language-encoded string to an IPP message. | |
387 | */ | |
388 | ||
389 | ipp_attribute_t * /* O - New attribute */ | |
390 | ippAddString(ipp_t *ipp, /* I - IPP message */ | |
391 | ipp_tag_t group, /* I - IPP group */ | |
392 | ipp_tag_t type, /* I - Type of attribute */ | |
393 | const char *name, /* I - Name of attribute */ | |
394 | const char *charset, /* I - Character set */ | |
395 | const char *value) /* I - Value */ | |
396 | { | |
397 | ipp_attribute_t *attr; /* New attribute */ | |
398 | char buffer[1024], /* Language/charset value buffer */ | |
399 | *bufptr; /* Pointer into buffer */ | |
400 | ||
401 | ||
402 | if (ipp == NULL || name == NULL) | |
403 | return (NULL); | |
404 | ||
405 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) | |
406 | return (NULL); | |
407 | ||
408 | /* | |
409 | * Force value to be English for the POSIX locale... | |
410 | */ | |
411 | ||
412 | if (type == IPP_TAG_LANGUAGE && !strcasecmp(value, "C")) | |
413 | value = "en"; | |
414 | ||
415 | /* | |
416 | * Convert language values to lowercase and change _ to - as needed... | |
417 | */ | |
418 | ||
419 | if ((type == IPP_TAG_LANGUAGE || type == IPP_TAG_CHARSET) && value) | |
420 | { | |
421 | strlcpy(buffer, value, sizeof(buffer)); | |
422 | value = buffer; | |
423 | ||
424 | for (bufptr = buffer; *bufptr; bufptr ++) | |
425 | if (*bufptr == '_') | |
426 | *bufptr = '-'; | |
427 | else | |
428 | *bufptr = tolower(*bufptr & 255); | |
429 | } | |
430 | ||
431 | /* | |
432 | * Initialize the attribute data... | |
433 | */ | |
434 | ||
435 | attr->name = _cupsStrAlloc(name); | |
436 | attr->group_tag = group; | |
437 | attr->value_tag = type; | |
438 | attr->values[0].string.charset = ((int)type & IPP_TAG_COPY) ? (char *)charset : | |
439 | charset ? _cupsStrAlloc(charset) : NULL; | |
440 | attr->values[0].string.text = ((int)type & IPP_TAG_COPY) ? (char *)value : | |
441 | value ? _cupsStrAlloc(value) : NULL; | |
442 | ||
443 | return (attr); | |
444 | } | |
445 | ||
446 | ||
447 | /* | |
448 | * 'ippAddStrings()' - Add language-encoded strings to an IPP message. | |
449 | */ | |
450 | ||
451 | ipp_attribute_t * /* O - New attribute */ | |
452 | ippAddStrings( | |
453 | ipp_t *ipp, /* I - IPP message */ | |
454 | ipp_tag_t group, /* I - IPP group */ | |
455 | ipp_tag_t type, /* I - Type of attribute */ | |
456 | const char *name, /* I - Name of attribute */ | |
457 | int num_values, /* I - Number of values */ | |
458 | const char *charset, /* I - Character set */ | |
459 | const char * const *values) /* I - Values */ | |
460 | { | |
461 | int i; /* Looping var */ | |
462 | ipp_attribute_t *attr; /* New attribute */ | |
463 | ipp_value_t *value; /* Current value */ | |
464 | ||
465 | ||
466 | if (ipp == NULL || name == NULL || num_values < 1) | |
467 | return (NULL); | |
468 | ||
469 | if ((attr = _ippAddAttr(ipp, num_values)) == NULL) | |
470 | return (NULL); | |
471 | ||
472 | /* | |
473 | * Initialize the attribute data... | |
474 | */ | |
475 | ||
476 | attr->name = _cupsStrAlloc(name); | |
477 | attr->group_tag = group; | |
478 | attr->value_tag = type; | |
479 | ||
480 | for (i = 0, value = attr->values; | |
481 | i < num_values; | |
482 | i ++, value ++) | |
483 | { | |
484 | if (i == 0) | |
485 | value->string.charset = ((int)type & IPP_TAG_COPY) ? (char *)charset : | |
486 | charset ? _cupsStrAlloc(charset) : NULL; | |
487 | else | |
488 | value->string.charset = attr->values[0].string.charset; | |
489 | ||
490 | if (values != NULL) | |
491 | { | |
492 | /* | |
493 | * Force language to be English for the POSIX locale... | |
494 | */ | |
495 | ||
496 | if (type == IPP_TAG_LANGUAGE && !strcasecmp(values[i], "C")) | |
497 | value->string.text = ((int)type & IPP_TAG_COPY) ? "en" : | |
498 | _cupsStrAlloc("en"); | |
499 | else | |
500 | value->string.text = ((int)type & IPP_TAG_COPY) ? (char *)values[i] : | |
501 | _cupsStrAlloc(values[i]); | |
502 | } | |
503 | } | |
504 | ||
505 | return (attr); | |
506 | } | |
507 | ||
508 | ||
509 | /* | |
510 | * 'ippAddRange()' - Add a range of values to an IPP message. | |
511 | */ | |
512 | ||
513 | ipp_attribute_t * /* O - New attribute */ | |
514 | ippAddRange(ipp_t *ipp, /* I - IPP message */ | |
515 | ipp_tag_t group, /* I - IPP group */ | |
516 | const char *name, /* I - Name of attribute */ | |
517 | int lower, /* I - Lower value */ | |
518 | int upper) /* I - Upper value */ | |
519 | { | |
520 | ipp_attribute_t *attr; /* New attribute */ | |
521 | ||
522 | ||
523 | if (ipp == NULL || name == NULL) | |
524 | return (NULL); | |
525 | ||
526 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) | |
527 | return (NULL); | |
528 | ||
529 | attr->name = _cupsStrAlloc(name); | |
530 | attr->group_tag = group; | |
531 | attr->value_tag = IPP_TAG_RANGE; | |
532 | attr->values[0].range.lower = lower; | |
533 | attr->values[0].range.upper = upper; | |
534 | ||
535 | return (attr); | |
536 | } | |
537 | ||
538 | ||
539 | /* | |
540 | * 'ippAddRanges()' - Add ranges of values to an IPP message. | |
541 | */ | |
542 | ||
543 | ipp_attribute_t * /* O - New attribute */ | |
544 | ippAddRanges(ipp_t *ipp, /* I - IPP message */ | |
545 | ipp_tag_t group, /* I - IPP group */ | |
546 | const char *name, /* I - Name of attribute */ | |
547 | int num_values, /* I - Number of values */ | |
548 | const int *lower, /* I - Lower values */ | |
549 | const int *upper) /* I - Upper values */ | |
550 | { | |
551 | int i; /* Looping var */ | |
552 | ipp_attribute_t *attr; /* New attribute */ | |
553 | ipp_value_t *value; /* Current value */ | |
554 | ||
555 | ||
556 | if (ipp == NULL || name == NULL || num_values < 1) | |
557 | return (NULL); | |
558 | ||
559 | if ((attr = _ippAddAttr(ipp, num_values)) == NULL) | |
560 | return (NULL); | |
561 | ||
562 | attr->name = _cupsStrAlloc(name); | |
563 | attr->group_tag = group; | |
564 | attr->value_tag = IPP_TAG_RANGE; | |
565 | ||
566 | if (lower != NULL && upper != NULL) | |
567 | for (i = 0, value = attr->values; | |
568 | i < num_values; | |
569 | i ++, value ++) | |
570 | { | |
571 | value->range.lower = lower[i]; | |
572 | value->range.upper = upper[i]; | |
573 | } | |
574 | ||
575 | return (attr); | |
576 | } | |
577 | ||
578 | ||
579 | /* | |
580 | * 'ippAddResolution()' - Add a resolution value to an IPP message. | |
581 | */ | |
582 | ||
583 | ipp_attribute_t * /* O - New attribute */ | |
584 | ippAddResolution(ipp_t *ipp, /* I - IPP message */ | |
585 | ipp_tag_t group, /* I - IPP group */ | |
586 | const char *name, /* I - Name of attribute */ | |
587 | ipp_res_t units, /* I - Units for resolution */ | |
588 | int xres, /* I - X resolution */ | |
589 | int yres) /* I - Y resolution */ | |
590 | { | |
591 | ipp_attribute_t *attr; /* New attribute */ | |
592 | ||
593 | ||
594 | if (ipp == NULL || name == NULL) | |
595 | return (NULL); | |
596 | ||
597 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) | |
598 | return (NULL); | |
599 | ||
600 | attr->name = _cupsStrAlloc(name); | |
601 | attr->group_tag = group; | |
602 | attr->value_tag = IPP_TAG_RESOLUTION; | |
603 | attr->values[0].resolution.xres = xres; | |
604 | attr->values[0].resolution.yres = yres; | |
605 | attr->values[0].resolution.units = units; | |
606 | ||
607 | return (attr); | |
608 | } | |
609 | ||
610 | ||
611 | /* | |
612 | * 'ippAddResolutions()' - Add resolution values to an IPP message. | |
613 | */ | |
614 | ||
615 | ipp_attribute_t * /* O - New attribute */ | |
616 | ippAddResolutions(ipp_t *ipp, /* I - IPP message */ | |
617 | ipp_tag_t group, /* I - IPP group */ | |
618 | const char *name, /* I - Name of attribute */ | |
619 | int num_values,/* I - Number of values */ | |
620 | ipp_res_t units, /* I - Units for resolution */ | |
621 | const int *xres, /* I - X resolutions */ | |
622 | const int *yres) /* I - Y resolutions */ | |
623 | { | |
624 | int i; /* Looping var */ | |
625 | ipp_attribute_t *attr; /* New attribute */ | |
626 | ipp_value_t *value; /* Current value */ | |
627 | ||
628 | ||
629 | if (ipp == NULL || name == NULL || num_values < 1) | |
630 | return (NULL); | |
631 | ||
632 | if ((attr = _ippAddAttr(ipp, num_values)) == NULL) | |
633 | return (NULL); | |
634 | ||
635 | attr->name = _cupsStrAlloc(name); | |
636 | attr->group_tag = group; | |
637 | attr->value_tag = IPP_TAG_RESOLUTION; | |
638 | ||
639 | if (xres != NULL && yres != NULL) | |
640 | for (i = 0, value = attr->values; | |
641 | i < num_values; | |
642 | i ++, value ++) | |
643 | { | |
644 | value->resolution.xres = xres[i]; | |
645 | value->resolution.yres = yres[i]; | |
646 | value->resolution.units = units; | |
647 | } | |
648 | ||
649 | return (attr); | |
650 | } | |
651 | ||
652 | ||
653 | /* | |
654 | * 'ippAddSeparator()' - Add a group separator to an IPP message. | |
655 | */ | |
656 | ||
657 | ipp_attribute_t * /* O - New attribute */ | |
658 | ippAddSeparator(ipp_t *ipp) /* I - IPP message */ | |
659 | { | |
660 | ipp_attribute_t *attr; /* New attribute */ | |
661 | ||
662 | ||
663 | DEBUG_printf(("ippAddSeparator(%p)\n", ipp)); | |
664 | ||
665 | if (ipp == NULL) | |
666 | return (NULL); | |
667 | ||
668 | if ((attr = _ippAddAttr(ipp, 0)) == NULL) | |
669 | return (NULL); | |
670 | ||
671 | attr->group_tag = IPP_TAG_ZERO; | |
672 | attr->value_tag = IPP_TAG_ZERO; | |
673 | ||
674 | return (attr); | |
675 | } | |
676 | ||
677 | ||
678 | /* | |
679 | * 'ippDateToTime()' - Convert from RFC 1903 Date/Time format to UNIX time | |
680 | * in seconds. | |
681 | */ | |
682 | ||
683 | time_t /* O - UNIX time value */ | |
684 | ippDateToTime(const ipp_uchar_t *date) /* I - RFC 1903 date info */ | |
685 | { | |
686 | struct tm unixdate; /* UNIX date/time info */ | |
687 | time_t t; /* Computed time */ | |
688 | ||
689 | ||
690 | memset(&unixdate, 0, sizeof(unixdate)); | |
691 | ||
692 | /* | |
693 | * RFC-1903 date/time format is: | |
694 | * | |
695 | * Byte(s) Description | |
696 | * ------- ----------- | |
697 | * 0-1 Year (0 to 65535) | |
698 | * 2 Month (1 to 12) | |
699 | * 3 Day (1 to 31) | |
700 | * 4 Hours (0 to 23) | |
701 | * 5 Minutes (0 to 59) | |
702 | * 6 Seconds (0 to 60, 60 = "leap second") | |
703 | * 7 Deciseconds (0 to 9) | |
704 | * 8 +/- UTC | |
705 | * 9 UTC hours (0 to 11) | |
706 | * 10 UTC minutes (0 to 59) | |
707 | */ | |
708 | ||
709 | unixdate.tm_year = ((date[0] << 8) | date[1]) - 1900; | |
710 | unixdate.tm_mon = date[2] - 1; | |
711 | unixdate.tm_mday = date[3]; | |
712 | unixdate.tm_hour = date[4]; | |
713 | unixdate.tm_min = date[5]; | |
714 | unixdate.tm_sec = date[6]; | |
715 | ||
716 | t = mktime(&unixdate); | |
717 | ||
718 | if (date[8] == '-') | |
719 | t += date[9] * 3600 + date[10] * 60; | |
720 | else | |
721 | t -= date[9] * 3600 + date[10] * 60; | |
722 | ||
723 | return (t); | |
724 | } | |
725 | ||
726 | ||
727 | /* | |
728 | * 'ippDelete()' - Delete an IPP message. | |
729 | */ | |
730 | ||
731 | void | |
732 | ippDelete(ipp_t *ipp) /* I - IPP message */ | |
733 | { | |
734 | ipp_attribute_t *attr, /* Current attribute */ | |
735 | *next; /* Next attribute */ | |
736 | ||
737 | ||
738 | DEBUG_printf(("ippDelete(): %p\n", ipp)); | |
739 | ||
740 | if (ipp == NULL) | |
741 | return; | |
742 | ||
743 | for (attr = ipp->attrs; attr != NULL; attr = next) | |
744 | { | |
745 | next = attr->next; | |
746 | _ippFreeAttr(attr); | |
747 | } | |
748 | ||
749 | free(ipp); | |
750 | } | |
751 | ||
752 | ||
753 | /* | |
754 | * 'ippDeleteAttribute()' - Delete a single attribute in an IPP message. | |
755 | * | |
756 | * @since CUPS 1.1.19@ | |
757 | */ | |
758 | ||
759 | void | |
760 | ippDeleteAttribute( | |
761 | ipp_t *ipp, /* I - IPP message */ | |
762 | ipp_attribute_t *attr) /* I - Attribute to delete */ | |
763 | { | |
764 | ipp_attribute_t *current, /* Current attribute */ | |
765 | *prev; /* Previous attribute */ | |
766 | ||
767 | ||
768 | /* | |
769 | * Find the attribute in the list... | |
770 | */ | |
771 | ||
772 | for (current = ipp->attrs, prev = NULL; | |
773 | current != NULL && current != attr; | |
774 | prev = current, current = current->next); | |
775 | ||
776 | if (current) | |
777 | { | |
778 | /* | |
779 | * Found it, remove the attribute from the list... | |
780 | */ | |
781 | ||
782 | if (prev) | |
783 | prev->next = current->next; | |
784 | else | |
785 | ipp->attrs = current->next; | |
786 | ||
787 | if (current == ipp->last) | |
788 | ipp->last = prev; | |
789 | ||
790 | /* | |
791 | * Free memory used by the attribute... | |
792 | */ | |
793 | ||
794 | _ippFreeAttr(current); | |
795 | } | |
796 | } | |
797 | ||
798 | ||
799 | /* | |
800 | * 'ippFindAttribute()' - Find a named attribute in a request... | |
801 | */ | |
802 | ||
803 | ipp_attribute_t * /* O - Matching attribute */ | |
804 | ippFindAttribute(ipp_t *ipp, /* I - IPP message */ | |
805 | const char *name, /* I - Name of attribute */ | |
806 | ipp_tag_t type) /* I - Type of attribute */ | |
807 | { | |
808 | DEBUG_printf(("ippFindAttribute(%p, \'%s\')\n", ipp, name)); | |
809 | ||
810 | if (ipp == NULL || name == NULL) | |
811 | return (NULL); | |
812 | ||
813 | /* | |
814 | * Reset the current pointer... | |
815 | */ | |
816 | ||
817 | ipp->current = NULL; | |
818 | ||
819 | /* | |
820 | * Search for the attribute... | |
821 | */ | |
822 | ||
823 | return (ippFindNextAttribute(ipp, name, type)); | |
824 | } | |
825 | ||
826 | ||
827 | /* | |
828 | * 'ippFindNextAttribute()' - Find the next named attribute in a request... | |
829 | */ | |
830 | ||
831 | ipp_attribute_t * /* O - Matching attribute */ | |
832 | ippFindNextAttribute(ipp_t *ipp, /* I - IPP message */ | |
833 | const char *name, /* I - Name of attribute */ | |
834 | ipp_tag_t type) /* I - Type of attribute */ | |
835 | { | |
836 | ipp_attribute_t *attr; /* Current atttribute */ | |
837 | ipp_tag_t value_tag; /* Value tag */ | |
838 | ||
839 | ||
840 | DEBUG_printf(("ippFindNextAttribute(%p, \'%s\')\n", ipp, name)); | |
841 | ||
842 | if (ipp == NULL || name == NULL) | |
843 | return (NULL); | |
844 | ||
845 | if (ipp->current) | |
846 | { | |
847 | ipp->prev = ipp->current; | |
848 | attr = ipp->current->next; | |
849 | } | |
850 | else | |
851 | { | |
852 | ipp->prev = NULL; | |
853 | attr = ipp->attrs; | |
854 | } | |
855 | ||
856 | for (; attr != NULL; ipp->prev = attr, attr = attr->next) | |
857 | { | |
858 | DEBUG_printf(("ippFindAttribute: attr = %p, name = \'%s\'\n", attr, | |
859 | attr->name)); | |
860 | ||
861 | value_tag = (ipp_tag_t)(attr->value_tag & IPP_TAG_MASK); | |
862 | ||
863 | if (attr->name != NULL && strcasecmp(attr->name, name) == 0 && | |
864 | (value_tag == type || type == IPP_TAG_ZERO || | |
865 | (value_tag == IPP_TAG_TEXTLANG && type == IPP_TAG_TEXT) || | |
866 | (value_tag == IPP_TAG_NAMELANG && type == IPP_TAG_NAME))) | |
867 | { | |
868 | ipp->current = attr; | |
869 | ||
870 | return (attr); | |
871 | } | |
872 | } | |
873 | ||
874 | ipp->current = NULL; | |
875 | ipp->prev = NULL; | |
876 | ||
877 | return (NULL); | |
878 | } | |
879 | ||
880 | ||
881 | /* | |
882 | * 'ippLength()' - Compute the length of an IPP message. | |
883 | */ | |
884 | ||
885 | size_t /* O - Size of IPP message */ | |
886 | ippLength(ipp_t *ipp) /* I - IPP message */ | |
887 | { | |
888 | return (ipp_length(ipp, 0)); | |
889 | } | |
890 | ||
891 | ||
892 | /* | |
893 | * 'ippNew()' - Allocate a new IPP message. | |
894 | */ | |
895 | ||
896 | ipp_t * /* O - New IPP message */ | |
897 | ippNew(void) | |
898 | { | |
899 | ipp_t *temp; /* New IPP message */ | |
900 | ||
901 | ||
902 | DEBUG_puts("ippNew()"); | |
903 | ||
904 | if ((temp = (ipp_t *)calloc(1, sizeof(ipp_t))) != NULL) | |
905 | { | |
906 | /* | |
907 | * Default to IPP 1.1... | |
908 | */ | |
909 | ||
910 | temp->request.any.version[0] = 1; | |
911 | temp->request.any.version[1] = 1; | |
912 | } | |
913 | ||
914 | DEBUG_printf(("ippNew: %p\n", temp)); | |
915 | ||
916 | return (temp); | |
917 | } | |
918 | ||
919 | ||
920 | /* | |
921 | * 'ippNewRequest()' - Allocate a new IPP request message. | |
922 | * | |
923 | * The new request message is initialized with the attributes-charset and | |
924 | * attributes-natural-language attributes added. The | |
925 | * attributes-natural-language value is derived from the current locale. | |
926 | * | |
927 | * @since CUPS 1.2@ | |
928 | */ | |
929 | ||
930 | ipp_t * /* O - IPP request message */ | |
931 | ippNewRequest(ipp_op_t op) /* I - Operation code */ | |
932 | { | |
933 | ipp_t *request; /* IPP request message */ | |
934 | cups_lang_t *language; /* Current language localization */ | |
935 | ||
936 | ||
937 | /* | |
938 | * Create a new IPP message... | |
939 | */ | |
940 | ||
941 | if ((request = ippNew()) == NULL) | |
942 | return (NULL); | |
943 | ||
944 | /* | |
945 | * Set the operation and request ID... | |
946 | */ | |
947 | ||
948 | request->request.op.operation_id = op; | |
949 | request->request.op.request_id = 1; | |
950 | ||
951 | /* | |
952 | * Use UTF-8 as the character set... | |
953 | */ | |
954 | ||
955 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, | |
956 | "attributes-charset", NULL, "utf-8"); | |
957 | ||
958 | /* | |
959 | * Get the language from the current locale... | |
960 | */ | |
961 | ||
962 | language = cupsLangDefault(); | |
963 | ||
964 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, | |
965 | "attributes-natural-language", NULL, language->language); | |
966 | ||
967 | /* | |
968 | * Return the new request... | |
969 | */ | |
970 | ||
971 | return (request); | |
972 | } | |
973 | ||
974 | ||
975 | /* | |
976 | * 'ippRead()' - Read data for an IPP message from a HTTP connection. | |
977 | */ | |
978 | ||
979 | ipp_state_t /* O - Current state */ | |
980 | ippRead(http_t *http, /* I - HTTP connection */ | |
981 | ipp_t *ipp) /* I - IPP data */ | |
982 | { | |
983 | DEBUG_printf(("ippRead(http=%p, ipp=%p), data_remaining=" CUPS_LLFMT "\n", | |
984 | http, ipp, CUPS_LLCAST (http ? http->data_remaining : -1))); | |
985 | ||
986 | if (http == NULL) | |
987 | return (IPP_ERROR); | |
988 | ||
989 | DEBUG_printf(("http->state = %d\n", http->state)); | |
990 | ||
991 | return (ippReadIO(http, (ipp_iocb_t)ipp_read_http, | |
992 | http->blocking || http->used != 0, NULL, ipp)); | |
993 | } | |
994 | ||
995 | ||
996 | /* | |
997 | * 'ippReadFile()' - Read data for an IPP message from a file. | |
998 | * | |
999 | * @since CUPS 1.1.19@ | |
1000 | */ | |
1001 | ||
1002 | ipp_state_t /* O - Current state */ | |
1003 | ippReadFile(int fd, /* I - HTTP data */ | |
1004 | ipp_t *ipp) /* I - IPP data */ | |
1005 | { | |
1006 | DEBUG_printf(("ippReadFile(%d, %p)\n", fd, ipp)); | |
1007 | ||
1008 | return (ippReadIO(&fd, (ipp_iocb_t)ipp_read_file, 1, NULL, ipp)); | |
1009 | } | |
1010 | ||
1011 | ||
1012 | /* | |
1013 | * 'ippReadIO()' - Read data for an IPP message. | |
1014 | * | |
1015 | * @since CUPS 1.2@ | |
1016 | */ | |
1017 | ||
1018 | ipp_state_t /* O - Current state */ | |
1019 | ippReadIO(void *src, /* I - Data source */ | |
1020 | ipp_iocb_t cb, /* I - Read callback function */ | |
1021 | int blocking, /* I - Use blocking IO? */ | |
1022 | ipp_t *parent, /* I - Parent request, if any */ | |
1023 | ipp_t *ipp) /* I - IPP data */ | |
1024 | { | |
1025 | int n; /* Length of data */ | |
1026 | unsigned char buffer[32768], /* Data buffer */ | |
1027 | string[255], /* Small string buffer */ | |
1028 | *bufptr; /* Pointer into buffer */ | |
1029 | ipp_attribute_t *attr; /* Current attribute */ | |
1030 | ipp_tag_t tag; /* Current tag */ | |
1031 | ipp_tag_t value_tag; /* Current value tag */ | |
1032 | ipp_value_t *value; /* Current value */ | |
1033 | ||
1034 | ||
1035 | DEBUG_printf(("ippReadIO(%p, %p, %d, %p, %p)\n", src, cb, blocking, | |
1036 | parent, ipp)); | |
1037 | DEBUG_printf(("ippReadIO: ipp->state=%d\n", ipp->state)); | |
1038 | ||
1039 | if (src == NULL || ipp == NULL) | |
1040 | return (IPP_ERROR); | |
1041 | ||
1042 | switch (ipp->state) | |
1043 | { | |
1044 | case IPP_IDLE : | |
1045 | ipp->state ++; /* Avoid common problem... */ | |
1046 | ||
1047 | case IPP_HEADER : | |
1048 | if (parent == NULL) | |
1049 | { | |
1050 | /* | |
1051 | * Get the request header... | |
1052 | */ | |
1053 | ||
1054 | if ((n = (*cb)(src, buffer, 8)) < 8) | |
1055 | { | |
1056 | DEBUG_printf(("ippReadIO: Unable to read header (%d bytes read)!\n", n)); | |
1057 | return (n == 0 ? IPP_IDLE : IPP_ERROR); | |
1058 | } | |
1059 | ||
1060 | /* | |
1061 | * Verify the major version number... | |
1062 | */ | |
1063 | ||
1064 | if (buffer[0] != 1) | |
1065 | { | |
1066 | DEBUG_printf(("ippReadIO: version number (%d.%d) is bad.\n", buffer[0], | |
1067 | buffer[1])); | |
1068 | return (IPP_ERROR); | |
1069 | } | |
1070 | ||
1071 | /* | |
1072 | * Then copy the request header over... | |
1073 | */ | |
1074 | ||
1075 | ipp->request.any.version[0] = buffer[0]; | |
1076 | ipp->request.any.version[1] = buffer[1]; | |
1077 | ipp->request.any.op_status = (buffer[2] << 8) | buffer[3]; | |
1078 | ipp->request.any.request_id = (((((buffer[4] << 8) | buffer[5]) << 8) | | |
1079 | buffer[6]) << 8) | buffer[7]; | |
1080 | ||
1081 | DEBUG_printf(("ippReadIO: version=%d.%d\n", buffer[0], buffer[1])); | |
1082 | DEBUG_printf(("ippReadIO: op_status=%04x\n", | |
1083 | ipp->request.any.op_status)); | |
1084 | DEBUG_printf(("ippReadIO: request_id=%d\n", | |
1085 | ipp->request.any.request_id)); | |
1086 | } | |
1087 | ||
1088 | ipp->state = IPP_ATTRIBUTE; | |
1089 | ipp->current = NULL; | |
1090 | ipp->curtag = IPP_TAG_ZERO; | |
1091 | ipp->prev = ipp->last; | |
1092 | ||
1093 | /* | |
1094 | * If blocking is disabled, stop here... | |
1095 | */ | |
1096 | ||
1097 | if (!blocking) | |
1098 | break; | |
1099 | ||
1100 | case IPP_ATTRIBUTE : | |
1101 | while ((*cb)(src, buffer, 1) > 0) | |
1102 | { | |
1103 | DEBUG_printf(("ippReadIO: ipp->current=%p, ipp->prev=%p\n", | |
1104 | ipp->current, ipp->prev)); | |
1105 | ||
1106 | /* | |
1107 | * Read this attribute... | |
1108 | */ | |
1109 | ||
1110 | tag = (ipp_tag_t)buffer[0]; | |
1111 | ||
1112 | if (tag == IPP_TAG_END) | |
1113 | { | |
1114 | /* | |
1115 | * No more attributes left... | |
1116 | */ | |
1117 | ||
1118 | DEBUG_puts("ippReadIO: IPP_TAG_END!"); | |
1119 | ||
1120 | ipp->state = IPP_DATA; | |
1121 | break; | |
1122 | } | |
1123 | else if (tag < IPP_TAG_UNSUPPORTED_VALUE) | |
1124 | { | |
1125 | /* | |
1126 | * Group tag... Set the current group and continue... | |
1127 | */ | |
1128 | ||
1129 | if (ipp->curtag == tag) | |
1130 | ipp->prev = ippAddSeparator(ipp); | |
1131 | else if (ipp->current) | |
1132 | ipp->prev = ipp->current; | |
1133 | ||
1134 | ipp->curtag = tag; | |
1135 | ipp->current = NULL; | |
1136 | DEBUG_printf(("ippReadIO: group tag = %x, ipp->prev=%p\n", tag, | |
1137 | ipp->prev)); | |
1138 | continue; | |
1139 | } | |
1140 | ||
1141 | DEBUG_printf(("ippReadIO: value tag = %x\n", tag)); | |
1142 | ||
1143 | /* | |
1144 | * Get the name... | |
1145 | */ | |
1146 | ||
1147 | if ((*cb)(src, buffer, 2) < 2) | |
1148 | { | |
1149 | DEBUG_puts("ippReadIO: unable to read name length!"); | |
1150 | return (IPP_ERROR); | |
1151 | } | |
1152 | ||
1153 | n = (buffer[0] << 8) | buffer[1]; | |
1154 | ||
1155 | if (n > (sizeof(buffer) - 1)) | |
1156 | { | |
1157 | DEBUG_printf(("ippReadIO: bad name length %d!\n", n)); | |
1158 | return (IPP_ERROR); | |
1159 | } | |
1160 | ||
1161 | DEBUG_printf(("ippReadIO: name length = %d\n", n)); | |
1162 | ||
1163 | if (n == 0 && tag != IPP_TAG_MEMBERNAME && | |
1164 | tag != IPP_TAG_END_COLLECTION) | |
1165 | { | |
1166 | /* | |
1167 | * More values for current attribute... | |
1168 | */ | |
1169 | ||
1170 | if (ipp->current == NULL) | |
1171 | return (IPP_ERROR); | |
1172 | ||
1173 | attr = ipp->current; | |
1174 | value_tag = (ipp_tag_t)(attr->value_tag & IPP_TAG_MASK); | |
1175 | ||
1176 | /* | |
1177 | * Make sure we aren't adding a new value of a different | |
1178 | * type... | |
1179 | */ | |
1180 | ||
1181 | if (value_tag == IPP_TAG_ZERO) | |
1182 | { | |
1183 | /* | |
1184 | * Setting the value of a collection member... | |
1185 | */ | |
1186 | ||
1187 | attr->value_tag = tag; | |
1188 | } | |
1189 | else if (value_tag == IPP_TAG_STRING || | |
1190 | (value_tag >= IPP_TAG_TEXTLANG && | |
1191 | value_tag <= IPP_TAG_MIMETYPE)) | |
1192 | { | |
1193 | /* | |
1194 | * String values can sometimes come across in different | |
1195 | * forms; accept sets of differing values... | |
1196 | */ | |
1197 | ||
1198 | if (tag != IPP_TAG_STRING && | |
1199 | (tag < IPP_TAG_TEXTLANG || tag > IPP_TAG_MIMETYPE)) | |
1200 | return (IPP_ERROR); | |
1201 | } | |
1202 | else if (value_tag != tag) | |
1203 | return (IPP_ERROR); | |
1204 | ||
1205 | /* | |
1206 | * Finally, reallocate the attribute array as needed... | |
1207 | */ | |
1208 | ||
1209 | if (attr->num_values == 1 || | |
1210 | (attr->num_values > 0 && | |
1211 | (attr->num_values & (IPP_MAX_VALUES - 1)) == 0)) | |
1212 | { | |
1213 | ipp_attribute_t *temp; /* Pointer to new buffer */ | |
1214 | ||
1215 | ||
1216 | DEBUG_printf(("ippReadIO: reallocating for up to %d values...\n", | |
1217 | attr->num_values + IPP_MAX_VALUES)); | |
1218 | ||
1219 | /* | |
1220 | * Reallocate memory... | |
1221 | */ | |
1222 | ||
1223 | if ((temp = realloc(attr, sizeof(ipp_attribute_t) + | |
1224 | (attr->num_values + IPP_MAX_VALUES - 1) * | |
1225 | sizeof(ipp_value_t))) == NULL) | |
1226 | return (IPP_ERROR); | |
1227 | ||
1228 | if (temp != attr) | |
1229 | { | |
1230 | /* | |
1231 | * Reset pointers in the list... | |
1232 | */ | |
1233 | ||
1234 | if (ipp->prev) | |
1235 | ipp->prev->next = temp; | |
1236 | else | |
1237 | ipp->attrs = temp; | |
1238 | ||
1239 | attr = ipp->current = ipp->last = temp; | |
1240 | } | |
1241 | } | |
1242 | } | |
1243 | else if (tag == IPP_TAG_MEMBERNAME) | |
1244 | { | |
1245 | /* | |
1246 | * Name must be length 0! | |
1247 | */ | |
1248 | ||
1249 | if (n) | |
1250 | { | |
1251 | DEBUG_puts("ippReadIO: member name not empty!"); | |
1252 | return (IPP_ERROR); | |
1253 | } | |
1254 | ||
1255 | if (ipp->current) | |
1256 | ipp->prev = ipp->current; | |
1257 | ||
1258 | attr = ipp->current = _ippAddAttr(ipp, 1); | |
1259 | ||
1260 | DEBUG_printf(("ippReadIO: membername, ipp->current=%p, ipp->prev=%p\n", | |
1261 | ipp->current, ipp->prev)); | |
1262 | ||
1263 | attr->group_tag = ipp->curtag; | |
1264 | attr->value_tag = IPP_TAG_ZERO; | |
1265 | attr->num_values = 0; | |
1266 | } | |
1267 | else if (tag != IPP_TAG_END_COLLECTION) | |
1268 | { | |
1269 | /* | |
1270 | * New attribute; read the name and add it... | |
1271 | */ | |
1272 | ||
1273 | if ((*cb)(src, buffer, n) < n) | |
1274 | { | |
1275 | DEBUG_puts("ippReadIO: unable to read name!"); | |
1276 | return (IPP_ERROR); | |
1277 | } | |
1278 | ||
1279 | buffer[n] = '\0'; | |
1280 | ||
1281 | if (ipp->current) | |
1282 | ipp->prev = ipp->current; | |
1283 | ||
1284 | attr = ipp->current = _ippAddAttr(ipp, 1); | |
1285 | ||
1286 | DEBUG_printf(("ippReadIO: name=\'%s\', ipp->current=%p, ipp->prev=%p\n", | |
1287 | buffer, ipp->current, ipp->prev)); | |
1288 | ||
1289 | attr->group_tag = ipp->curtag; | |
1290 | attr->value_tag = tag; | |
1291 | attr->name = _cupsStrAlloc((char *)buffer); | |
1292 | attr->num_values = 0; | |
1293 | } | |
1294 | else | |
1295 | attr = NULL; | |
1296 | ||
1297 | if (tag != IPP_TAG_END_COLLECTION) | |
1298 | value = attr->values + attr->num_values; | |
1299 | else | |
1300 | value = NULL; | |
1301 | ||
1302 | if ((*cb)(src, buffer, 2) < 2) | |
1303 | { | |
1304 | DEBUG_puts("ippReadIO: unable to read value length!"); | |
1305 | return (IPP_ERROR); | |
1306 | } | |
1307 | ||
1308 | n = (buffer[0] << 8) | buffer[1]; | |
1309 | DEBUG_printf(("ippReadIO: value length = %d\n", n)); | |
1310 | ||
1311 | switch (tag) | |
1312 | { | |
1313 | case IPP_TAG_INTEGER : | |
1314 | case IPP_TAG_ENUM : | |
1315 | if ((*cb)(src, buffer, 4) < 4) | |
1316 | { | |
1317 | DEBUG_puts("ippReadIO: Unable to read integer value!"); | |
1318 | return (IPP_ERROR); | |
1319 | } | |
1320 | ||
1321 | n = (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | | |
1322 | buffer[3]; | |
1323 | ||
1324 | value->integer = n; | |
1325 | break; | |
1326 | case IPP_TAG_BOOLEAN : | |
1327 | if ((*cb)(src, buffer, 1) < 1) | |
1328 | { | |
1329 | DEBUG_puts("ippReadIO: Unable to read boolean value!"); | |
1330 | return (IPP_ERROR); | |
1331 | } | |
1332 | ||
1333 | value->boolean = buffer[0]; | |
1334 | break; | |
1335 | case IPP_TAG_TEXT : | |
1336 | case IPP_TAG_NAME : | |
1337 | case IPP_TAG_KEYWORD : | |
1338 | case IPP_TAG_STRING : | |
1339 | case IPP_TAG_URI : | |
1340 | case IPP_TAG_URISCHEME : | |
1341 | case IPP_TAG_CHARSET : | |
1342 | case IPP_TAG_LANGUAGE : | |
1343 | case IPP_TAG_MIMETYPE : | |
1344 | if ((*cb)(src, buffer, n) < n) | |
1345 | { | |
1346 | DEBUG_puts("ippReadIO: unable to read name!"); | |
1347 | return (IPP_ERROR); | |
1348 | } | |
1349 | ||
1350 | buffer[n] = '\0'; | |
1351 | value->string.text = _cupsStrAlloc((char *)buffer); | |
1352 | DEBUG_printf(("ippReadIO: value = \'%s\'\n", | |
1353 | value->string.text)); | |
1354 | break; | |
1355 | case IPP_TAG_DATE : | |
1356 | if ((*cb)(src, value->date, 11) < 11) | |
1357 | { | |
1358 | DEBUG_puts("ippReadIO: Unable to date integer value!"); | |
1359 | return (IPP_ERROR); | |
1360 | } | |
1361 | break; | |
1362 | case IPP_TAG_RESOLUTION : | |
1363 | if ((*cb)(src, buffer, 9) < 9) | |
1364 | { | |
1365 | DEBUG_puts("ippReadIO: Unable to read resolution value!"); | |
1366 | return (IPP_ERROR); | |
1367 | } | |
1368 | ||
1369 | value->resolution.xres = | |
1370 | (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | | |
1371 | buffer[3]; | |
1372 | value->resolution.yres = | |
1373 | (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) | | |
1374 | buffer[7]; | |
1375 | value->resolution.units = | |
1376 | (ipp_res_t)buffer[8]; | |
1377 | break; | |
1378 | case IPP_TAG_RANGE : | |
1379 | if ((*cb)(src, buffer, 8) < 8) | |
1380 | { | |
1381 | DEBUG_puts("ippReadIO: Unable to read range value!"); | |
1382 | return (IPP_ERROR); | |
1383 | } | |
1384 | ||
1385 | value->range.lower = | |
1386 | (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | | |
1387 | buffer[3]; | |
1388 | value->range.upper = | |
1389 | (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) | | |
1390 | buffer[7]; | |
1391 | break; | |
1392 | case IPP_TAG_TEXTLANG : | |
1393 | case IPP_TAG_NAMELANG : | |
1394 | if (n > sizeof(buffer) || n < 4) | |
1395 | { | |
1396 | DEBUG_printf(("ippReadIO: bad value length %d!\n", n)); | |
1397 | return (IPP_ERROR); | |
1398 | } | |
1399 | ||
1400 | if ((*cb)(src, buffer, n) < n) | |
1401 | { | |
1402 | DEBUG_puts("ippReadIO: Unable to read string w/language value!"); | |
1403 | return (IPP_ERROR); | |
1404 | } | |
1405 | ||
1406 | bufptr = buffer; | |
1407 | ||
1408 | /* | |
1409 | * text-with-language and name-with-language are composite | |
1410 | * values: | |
1411 | * | |
1412 | * charset-length | |
1413 | * charset | |
1414 | * text-length | |
1415 | * text | |
1416 | */ | |
1417 | ||
1418 | n = (bufptr[0] << 8) | bufptr[1]; | |
1419 | ||
1420 | if (n >= sizeof(string)) | |
1421 | { | |
1422 | memcpy(string, bufptr + 2, sizeof(string) - 1); | |
1423 | string[sizeof(string) - 1] = '\0'; | |
1424 | } | |
1425 | else | |
1426 | { | |
1427 | memcpy(string, bufptr + 2, n); | |
1428 | string[n] = '\0'; | |
1429 | } | |
1430 | ||
1431 | value->string.charset = _cupsStrAlloc((char *)string); | |
1432 | ||
1433 | bufptr += 2 + n; | |
1434 | n = (bufptr[0] << 8) | bufptr[1]; | |
1435 | ||
1436 | bufptr[2 + n] = '\0'; | |
1437 | value->string.text = _cupsStrAlloc((char *)bufptr + 2); | |
1438 | break; | |
1439 | ||
1440 | case IPP_TAG_BEGIN_COLLECTION : | |
1441 | /* | |
1442 | * Oh, boy, here comes a collection value, so read it... | |
1443 | */ | |
1444 | ||
1445 | value->collection = ippNew(); | |
1446 | ||
1447 | if (n > 0) | |
1448 | { | |
1449 | DEBUG_puts("ippReadIO: begCollection tag with value length > 0!"); | |
1450 | return (IPP_ERROR); | |
1451 | } | |
1452 | ||
1453 | if (ippReadIO(src, cb, 1, ipp, value->collection) == IPP_ERROR) | |
1454 | { | |
1455 | DEBUG_puts("ippReadIO: Unable to read collection value!"); | |
1456 | return (IPP_ERROR); | |
1457 | } | |
1458 | break; | |
1459 | ||
1460 | case IPP_TAG_END_COLLECTION : | |
1461 | if (n > 0) | |
1462 | { | |
1463 | DEBUG_puts("ippReadIO: endCollection tag with value length > 0!"); | |
1464 | return (IPP_ERROR); | |
1465 | } | |
1466 | ||
1467 | DEBUG_puts("ippReadIO: endCollection tag..."); | |
1468 | ||
1469 | return (ipp->state = IPP_DATA); | |
1470 | ||
1471 | case IPP_TAG_MEMBERNAME : | |
1472 | /* | |
1473 | * The value the name of the member in the collection, which | |
1474 | * we need to carry over... | |
1475 | */ | |
1476 | ||
1477 | if ((*cb)(src, buffer, n) < n) | |
1478 | { | |
1479 | DEBUG_puts("ippReadIO: Unable to read member name value!"); | |
1480 | return (IPP_ERROR); | |
1481 | } | |
1482 | ||
1483 | buffer[n] = '\0'; | |
1484 | attr->name = _cupsStrAlloc((char *)buffer); | |
1485 | ||
1486 | /* | |
1487 | * Since collection members are encoded differently than | |
1488 | * regular attributes, make sure we don't start with an | |
1489 | * empty value... | |
1490 | */ | |
1491 | ||
1492 | attr->num_values --; | |
1493 | ||
1494 | DEBUG_printf(("ippReadIO: member name = \"%s\"\n", attr->name)); | |
1495 | break; | |
1496 | ||
1497 | default : /* Other unsupported values */ | |
1498 | value->unknown.length = n; | |
1499 | if (n > 0) | |
1500 | { | |
1501 | value->unknown.data = malloc(n); | |
1502 | if ((*cb)(src, value->unknown.data, n) < n) | |
1503 | { | |
1504 | DEBUG_puts("ippReadIO: Unable to read unsupported value!"); | |
1505 | return (IPP_ERROR); | |
1506 | } | |
1507 | } | |
1508 | else | |
1509 | value->unknown.data = NULL; | |
1510 | break; | |
1511 | } | |
1512 | ||
1513 | attr->num_values ++; | |
1514 | ||
1515 | /* | |
1516 | * If blocking is disabled, stop here... | |
1517 | */ | |
1518 | ||
1519 | if (!blocking) | |
1520 | break; | |
1521 | } | |
1522 | break; | |
1523 | ||
1524 | case IPP_DATA : | |
1525 | break; | |
1526 | ||
1527 | default : | |
1528 | break; /* anti-compiler-warning-code */ | |
1529 | } | |
1530 | ||
1531 | DEBUG_printf(("ippReadIO: returning ipp->state=%d!\n", ipp->state)); | |
1532 | ||
1533 | return (ipp->state); | |
1534 | } | |
1535 | ||
1536 | ||
1537 | /* | |
1538 | * 'ippTimeToDate()' - Convert from UNIX time to RFC 1903 format. | |
1539 | */ | |
1540 | ||
1541 | const ipp_uchar_t * /* O - RFC-1903 date/time data */ | |
1542 | ippTimeToDate(time_t t) /* I - UNIX time value */ | |
1543 | { | |
1544 | struct tm *unixdate; /* UNIX unixdate/time info */ | |
1545 | ipp_uchar_t *date = _cupsGlobals()->ipp_date; | |
1546 | /* RFC-1903 date/time data */ | |
1547 | ||
1548 | ||
1549 | /* | |
1550 | * RFC-1903 date/time format is: | |
1551 | * | |
1552 | * Byte(s) Description | |
1553 | * ------- ----------- | |
1554 | * 0-1 Year (0 to 65535) | |
1555 | * 2 Month (1 to 12) | |
1556 | * 3 Day (1 to 31) | |
1557 | * 4 Hours (0 to 23) | |
1558 | * 5 Minutes (0 to 59) | |
1559 | * 6 Seconds (0 to 60, 60 = "leap second") | |
1560 | * 7 Deciseconds (0 to 9) | |
1561 | * 8 +/- UTC | |
1562 | * 9 UTC hours (0 to 11) | |
1563 | * 10 UTC minutes (0 to 59) | |
1564 | */ | |
1565 | ||
1566 | unixdate = gmtime(&t); | |
1567 | unixdate->tm_year += 1900; | |
1568 | ||
1569 | date[0] = unixdate->tm_year >> 8; | |
1570 | date[1] = unixdate->tm_year; | |
1571 | date[2] = unixdate->tm_mon + 1; | |
1572 | date[3] = unixdate->tm_mday; | |
1573 | date[4] = unixdate->tm_hour; | |
1574 | date[5] = unixdate->tm_min; | |
1575 | date[6] = unixdate->tm_sec; | |
1576 | date[7] = 0; | |
1577 | date[8] = '+'; | |
1578 | date[9] = 0; | |
1579 | date[10] = 0; | |
1580 | ||
1581 | return (date); | |
1582 | } | |
1583 | ||
1584 | ||
1585 | /* | |
1586 | * 'ippWrite()' - Write data for an IPP message to a HTTP connection. | |
1587 | */ | |
1588 | ||
1589 | ipp_state_t /* O - Current state */ | |
1590 | ippWrite(http_t *http, /* I - HTTP connection */ | |
1591 | ipp_t *ipp) /* I - IPP data */ | |
1592 | { | |
1593 | DEBUG_printf(("ippWrite(%p, %p)\n", http, ipp)); | |
1594 | ||
1595 | if (http == NULL) | |
1596 | return (IPP_ERROR); | |
1597 | ||
1598 | return (ippWriteIO(http, (ipp_iocb_t)httpWrite2, | |
1599 | http->blocking, NULL, ipp)); | |
1600 | } | |
1601 | ||
1602 | ||
1603 | /* | |
1604 | * 'ippWriteFile()' - Write data for an IPP message to a file. | |
1605 | * | |
1606 | * @since CUPS 1.1.19@ | |
1607 | */ | |
1608 | ||
1609 | ipp_state_t /* O - Current state */ | |
1610 | ippWriteFile(int fd, /* I - HTTP data */ | |
1611 | ipp_t *ipp) /* I - IPP data */ | |
1612 | { | |
1613 | DEBUG_printf(("ippWriteFile(%d, %p)\n", fd, ipp)); | |
1614 | ||
1615 | ipp->state = IPP_IDLE; | |
1616 | ||
1617 | return (ippWriteIO(&fd, (ipp_iocb_t)ipp_write_file, 1, NULL, ipp)); | |
1618 | } | |
1619 | ||
1620 | ||
1621 | /* | |
1622 | * 'ippWriteIO()' - Write data for an IPP message. | |
1623 | * | |
1624 | * @since CUPS 1.2@ | |
1625 | */ | |
1626 | ||
1627 | ipp_state_t /* O - Current state */ | |
1628 | ippWriteIO(void *dst, /* I - Destination */ | |
1629 | ipp_iocb_t cb, /* I - Write callback function */ | |
1630 | int blocking, /* I - Use blocking IO? */ | |
1631 | ipp_t *parent, /* I - Parent IPP message */ | |
1632 | ipp_t *ipp) /* I - IPP data */ | |
1633 | { | |
1634 | int i; /* Looping var */ | |
1635 | int n; /* Length of data */ | |
1636 | unsigned char buffer[32768], /* Data buffer */ | |
1637 | *bufptr; /* Pointer into buffer */ | |
1638 | ipp_attribute_t *attr; /* Current attribute */ | |
1639 | ipp_value_t *value; /* Current value */ | |
1640 | ||
1641 | ||
1642 | DEBUG_printf(("ippWriteIO(%p, %p, %d, %p, %p)\n", dst, cb, blocking, | |
1643 | parent, ipp)); | |
1644 | ||
1645 | if (dst == NULL || ipp == NULL) | |
1646 | return (IPP_ERROR); | |
1647 | ||
1648 | switch (ipp->state) | |
1649 | { | |
1650 | case IPP_IDLE : | |
1651 | ipp->state ++; /* Avoid common problem... */ | |
1652 | ||
1653 | case IPP_HEADER : | |
1654 | if (parent == NULL) | |
1655 | { | |
1656 | /* | |
1657 | * Send the request header: | |
1658 | * | |
1659 | * Version = 2 bytes | |
1660 | * Operation/Status Code = 2 bytes | |
1661 | * Request ID = 4 bytes | |
1662 | * Total = 8 bytes | |
1663 | */ | |
1664 | ||
1665 | bufptr = buffer; | |
1666 | ||
1667 | *bufptr++ = ipp->request.any.version[0]; | |
1668 | *bufptr++ = ipp->request.any.version[1]; | |
1669 | *bufptr++ = ipp->request.any.op_status >> 8; | |
1670 | *bufptr++ = ipp->request.any.op_status; | |
1671 | *bufptr++ = ipp->request.any.request_id >> 24; | |
1672 | *bufptr++ = ipp->request.any.request_id >> 16; | |
1673 | *bufptr++ = ipp->request.any.request_id >> 8; | |
1674 | *bufptr++ = ipp->request.any.request_id; | |
1675 | ||
1676 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1677 | { | |
1678 | DEBUG_puts("ippWriteIO: Could not write IPP header..."); | |
1679 | return (IPP_ERROR); | |
1680 | } | |
1681 | } | |
1682 | ||
1683 | /* | |
1684 | * Reset the state engine to point to the first attribute | |
1685 | * in the request/response, with no current group. | |
1686 | */ | |
1687 | ||
1688 | ipp->state = IPP_ATTRIBUTE; | |
1689 | ipp->current = ipp->attrs; | |
1690 | ipp->curtag = IPP_TAG_ZERO; | |
1691 | ||
1692 | DEBUG_printf(("ippWriteIO: version=%d.%d\n", buffer[0], buffer[1])); | |
1693 | DEBUG_printf(("ippWriteIO: op_status=%04x\n", ipp->request.any.op_status)); | |
1694 | DEBUG_printf(("ippWriteIO: request_id=%d\n", ipp->request.any.request_id)); | |
1695 | ||
1696 | /* | |
1697 | * If blocking is disabled, stop here... | |
1698 | */ | |
1699 | ||
1700 | if (!blocking) | |
1701 | break; | |
1702 | ||
1703 | case IPP_ATTRIBUTE : | |
1704 | while (ipp->current != NULL) | |
1705 | { | |
1706 | /* | |
1707 | * Write this attribute... | |
1708 | */ | |
1709 | ||
1710 | bufptr = buffer; | |
1711 | attr = ipp->current; | |
1712 | ||
1713 | ipp->current = ipp->current->next; | |
1714 | ||
1715 | if (ipp->curtag != attr->group_tag && parent == NULL) | |
1716 | { | |
1717 | /* | |
1718 | * Send a group tag byte... | |
1719 | */ | |
1720 | ||
1721 | ipp->curtag = attr->group_tag; | |
1722 | ||
1723 | if (attr->group_tag == IPP_TAG_ZERO) | |
1724 | continue; | |
1725 | ||
1726 | DEBUG_printf(("ippWriteIO: wrote group tag = %x\n", attr->group_tag)); | |
1727 | *bufptr++ = attr->group_tag; | |
1728 | } | |
1729 | else if (attr->group_tag == IPP_TAG_ZERO) | |
1730 | continue; | |
1731 | ||
1732 | /* | |
1733 | * Write the attribute tag and name. The current implementation | |
1734 | * does not support the extension value tags above 0x7f, so all | |
1735 | * value tags are 1 byte. | |
1736 | * | |
1737 | * The attribute name length does not include the trailing nul | |
1738 | * character in the source string. | |
1739 | * | |
1740 | * Collection values (parent != NULL) are written differently... | |
1741 | */ | |
1742 | ||
1743 | if (parent == NULL) | |
1744 | { | |
1745 | /* | |
1746 | * Get the length of the attribute name, and make sure it won't | |
1747 | * overflow the buffer... | |
1748 | */ | |
1749 | ||
1750 | if ((n = (int)strlen(attr->name)) > (sizeof(buffer) - 4)) | |
1751 | return (IPP_ERROR); | |
1752 | ||
1753 | /* | |
1754 | * Write the value tag, name length, and name string... | |
1755 | */ | |
1756 | ||
1757 | DEBUG_printf(("ippWriteIO: writing value tag = %x\n", attr->value_tag)); | |
1758 | DEBUG_printf(("ippWriteIO: writing name = %d, \'%s\'\n", n, attr->name)); | |
1759 | ||
1760 | *bufptr++ = attr->value_tag; | |
1761 | *bufptr++ = n >> 8; | |
1762 | *bufptr++ = n; | |
1763 | memcpy(bufptr, attr->name, n); | |
1764 | bufptr += n; | |
1765 | } | |
1766 | else | |
1767 | { | |
1768 | /* | |
1769 | * Get the length of the attribute name, and make sure it won't | |
1770 | * overflow the buffer... | |
1771 | */ | |
1772 | ||
1773 | if ((n = (int)strlen(attr->name)) > (sizeof(buffer) - 7)) | |
1774 | return (IPP_ERROR); | |
1775 | ||
1776 | /* | |
1777 | * Write the member name tag, name length, name string, value tag, | |
1778 | * and empty name for the collection member attribute... | |
1779 | */ | |
1780 | ||
1781 | DEBUG_printf(("ippWriteIO: writing value tag = %x\n", | |
1782 | IPP_TAG_MEMBERNAME)); | |
1783 | DEBUG_printf(("ippWriteIO: writing name = %d, \'%s\'\n", n, attr->name)); | |
1784 | DEBUG_printf(("ippWriteIO: writing value tag = %x\n", attr->value_tag)); | |
1785 | DEBUG_puts("ippWriteIO: writing name = 0, \'\'\n"); | |
1786 | ||
1787 | *bufptr++ = IPP_TAG_MEMBERNAME; | |
1788 | *bufptr++ = 0; | |
1789 | *bufptr++ = 0; | |
1790 | *bufptr++ = n >> 8; | |
1791 | *bufptr++ = n; | |
1792 | memcpy(bufptr, attr->name, n); | |
1793 | bufptr += n; | |
1794 | ||
1795 | *bufptr++ = attr->value_tag; | |
1796 | *bufptr++ = 0; | |
1797 | *bufptr++ = 0; | |
1798 | } | |
1799 | ||
1800 | /* | |
1801 | * Now write the attribute value(s)... | |
1802 | */ | |
1803 | ||
1804 | switch (attr->value_tag & ~IPP_TAG_COPY) | |
1805 | { | |
1806 | case IPP_TAG_INTEGER : | |
1807 | case IPP_TAG_ENUM : | |
1808 | for (i = 0, value = attr->values; | |
1809 | i < attr->num_values; | |
1810 | i ++, value ++) | |
1811 | { | |
1812 | if ((sizeof(buffer) - (bufptr - buffer)) < 9) | |
1813 | { | |
1814 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1815 | { | |
1816 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); | |
1817 | return (IPP_ERROR); | |
1818 | } | |
1819 | ||
1820 | bufptr = buffer; | |
1821 | } | |
1822 | ||
1823 | if (i) | |
1824 | { | |
1825 | /* | |
1826 | * Arrays and sets are done by sending additional | |
1827 | * values with a zero-length name... | |
1828 | */ | |
1829 | ||
1830 | *bufptr++ = attr->value_tag; | |
1831 | *bufptr++ = 0; | |
1832 | *bufptr++ = 0; | |
1833 | } | |
1834 | ||
1835 | /* | |
1836 | * Integers and enumerations are both 4-byte signed | |
1837 | * (twos-complement) values. | |
1838 | * | |
1839 | * Put the 2-byte length and 4-byte value into the buffer... | |
1840 | */ | |
1841 | ||
1842 | *bufptr++ = 0; | |
1843 | *bufptr++ = 4; | |
1844 | *bufptr++ = value->integer >> 24; | |
1845 | *bufptr++ = value->integer >> 16; | |
1846 | *bufptr++ = value->integer >> 8; | |
1847 | *bufptr++ = value->integer; | |
1848 | } | |
1849 | break; | |
1850 | ||
1851 | case IPP_TAG_BOOLEAN : | |
1852 | for (i = 0, value = attr->values; | |
1853 | i < attr->num_values; | |
1854 | i ++, value ++) | |
1855 | { | |
1856 | if ((sizeof(buffer) - (bufptr - buffer)) < 6) | |
1857 | { | |
1858 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1859 | { | |
1860 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); | |
1861 | return (IPP_ERROR); | |
1862 | } | |
1863 | ||
1864 | bufptr = buffer; | |
1865 | } | |
1866 | ||
1867 | if (i) | |
1868 | { | |
1869 | /* | |
1870 | * Arrays and sets are done by sending additional | |
1871 | * values with a zero-length name... | |
1872 | */ | |
1873 | ||
1874 | *bufptr++ = attr->value_tag; | |
1875 | *bufptr++ = 0; | |
1876 | *bufptr++ = 0; | |
1877 | } | |
1878 | ||
1879 | /* | |
1880 | * Boolean values are 1-byte; 0 = false, 1 = true. | |
1881 | * | |
1882 | * Put the 2-byte length and 1-byte value into the buffer... | |
1883 | */ | |
1884 | ||
1885 | *bufptr++ = 0; | |
1886 | *bufptr++ = 1; | |
1887 | *bufptr++ = value->boolean; | |
1888 | } | |
1889 | break; | |
1890 | ||
1891 | case IPP_TAG_TEXT : | |
1892 | case IPP_TAG_NAME : | |
1893 | case IPP_TAG_KEYWORD : | |
1894 | case IPP_TAG_STRING : | |
1895 | case IPP_TAG_URI : | |
1896 | case IPP_TAG_URISCHEME : | |
1897 | case IPP_TAG_CHARSET : | |
1898 | case IPP_TAG_LANGUAGE : | |
1899 | case IPP_TAG_MIMETYPE : | |
1900 | for (i = 0, value = attr->values; | |
1901 | i < attr->num_values; | |
1902 | i ++, value ++) | |
1903 | { | |
1904 | if (i) | |
1905 | { | |
1906 | /* | |
1907 | * Arrays and sets are done by sending additional | |
1908 | * values with a zero-length name... | |
1909 | */ | |
1910 | ||
1911 | DEBUG_printf(("ippWriteIO: writing value tag = %x\n", | |
1912 | attr->value_tag)); | |
1913 | DEBUG_printf(("ippWriteIO: writing name = 0, \'\'\n")); | |
1914 | ||
1915 | if ((sizeof(buffer) - (bufptr - buffer)) < 3) | |
1916 | { | |
1917 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1918 | { | |
1919 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); | |
1920 | return (IPP_ERROR); | |
1921 | } | |
1922 | ||
1923 | bufptr = buffer; | |
1924 | } | |
1925 | ||
1926 | *bufptr++ = attr->value_tag; | |
1927 | *bufptr++ = 0; | |
1928 | *bufptr++ = 0; | |
1929 | } | |
1930 | ||
1931 | if (value->string.text != NULL) | |
1932 | n = (int)strlen(value->string.text); | |
1933 | else | |
1934 | n = 0; | |
1935 | ||
1936 | if (n > (sizeof(buffer) - 2)) | |
1937 | return (IPP_ERROR); | |
1938 | ||
1939 | DEBUG_printf(("ippWriteIO: writing string = %d, \'%s\'\n", n, | |
1940 | value->string.text)); | |
1941 | ||
1942 | if ((int)(sizeof(buffer) - (bufptr - buffer)) < (n + 2)) | |
1943 | { | |
1944 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1945 | { | |
1946 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); | |
1947 | return (IPP_ERROR); | |
1948 | } | |
1949 | ||
1950 | bufptr = buffer; | |
1951 | } | |
1952 | ||
1953 | /* | |
1954 | * All simple strings consist of the 2-byte length and | |
1955 | * character data without the trailing nul normally found | |
1956 | * in C strings. Also, strings cannot be longer than 32767 | |
1957 | * bytes since the 2-byte length is a signed (twos-complement) | |
1958 | * value. | |
1959 | * | |
1960 | * Put the 2-byte length and string characters in the buffer. | |
1961 | */ | |
1962 | ||
1963 | *bufptr++ = n >> 8; | |
1964 | *bufptr++ = n; | |
1965 | ||
1966 | if (n > 0) | |
1967 | { | |
1968 | memcpy(bufptr, value->string.text, n); | |
1969 | bufptr += n; | |
1970 | } | |
1971 | } | |
1972 | break; | |
1973 | ||
1974 | case IPP_TAG_DATE : | |
1975 | for (i = 0, value = attr->values; | |
1976 | i < attr->num_values; | |
1977 | i ++, value ++) | |
1978 | { | |
1979 | if ((sizeof(buffer) - (bufptr - buffer)) < 16) | |
1980 | { | |
1981 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1982 | { | |
1983 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); | |
1984 | return (IPP_ERROR); | |
1985 | } | |
1986 | ||
1987 | bufptr = buffer; | |
1988 | } | |
1989 | ||
1990 | if (i) | |
1991 | { | |
1992 | /* | |
1993 | * Arrays and sets are done by sending additional | |
1994 | * values with a zero-length name... | |
1995 | */ | |
1996 | ||
1997 | *bufptr++ = attr->value_tag; | |
1998 | *bufptr++ = 0; | |
1999 | *bufptr++ = 0; | |
2000 | } | |
2001 | ||
2002 | /* | |
2003 | * Date values consist of a 2-byte length and an | |
2004 | * 11-byte date/time structure defined by RFC 1903. | |
2005 | * | |
2006 | * Put the 2-byte length and 11-byte date/time | |
2007 | * structure in the buffer. | |
2008 | */ | |
2009 | ||
2010 | *bufptr++ = 0; | |
2011 | *bufptr++ = 11; | |
2012 | memcpy(bufptr, value->date, 11); | |
2013 | bufptr += 11; | |
2014 | } | |
2015 | break; | |
2016 | ||
2017 | case IPP_TAG_RESOLUTION : | |
2018 | for (i = 0, value = attr->values; | |
2019 | i < attr->num_values; | |
2020 | i ++, value ++) | |
2021 | { | |
2022 | if ((sizeof(buffer) - (bufptr - buffer)) < 14) | |
2023 | { | |
2024 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2025 | { | |
2026 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); | |
2027 | return (IPP_ERROR); | |
2028 | } | |
2029 | ||
2030 | bufptr = buffer; | |
2031 | } | |
2032 | ||
2033 | if (i) | |
2034 | { | |
2035 | /* | |
2036 | * Arrays and sets are done by sending additional | |
2037 | * values with a zero-length name... | |
2038 | */ | |
2039 | ||
2040 | *bufptr++ = attr->value_tag; | |
2041 | *bufptr++ = 0; | |
2042 | *bufptr++ = 0; | |
2043 | } | |
2044 | ||
2045 | /* | |
2046 | * Resolution values consist of a 2-byte length, | |
2047 | * 4-byte horizontal resolution value, 4-byte vertical | |
2048 | * resolution value, and a 1-byte units value. | |
2049 | * | |
2050 | * Put the 2-byte length and resolution value data | |
2051 | * into the buffer. | |
2052 | */ | |
2053 | ||
2054 | *bufptr++ = 0; | |
2055 | *bufptr++ = 9; | |
2056 | *bufptr++ = value->resolution.xres >> 24; | |
2057 | *bufptr++ = value->resolution.xres >> 16; | |
2058 | *bufptr++ = value->resolution.xres >> 8; | |
2059 | *bufptr++ = value->resolution.xres; | |
2060 | *bufptr++ = value->resolution.yres >> 24; | |
2061 | *bufptr++ = value->resolution.yres >> 16; | |
2062 | *bufptr++ = value->resolution.yres >> 8; | |
2063 | *bufptr++ = value->resolution.yres; | |
2064 | *bufptr++ = value->resolution.units; | |
2065 | } | |
2066 | break; | |
2067 | ||
2068 | case IPP_TAG_RANGE : | |
2069 | for (i = 0, value = attr->values; | |
2070 | i < attr->num_values; | |
2071 | i ++, value ++) | |
2072 | { | |
2073 | if ((sizeof(buffer) - (bufptr - buffer)) < 13) | |
2074 | { | |
2075 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2076 | { | |
2077 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); | |
2078 | return (IPP_ERROR); | |
2079 | } | |
2080 | ||
2081 | bufptr = buffer; | |
2082 | } | |
2083 | ||
2084 | if (i) | |
2085 | { | |
2086 | /* | |
2087 | * Arrays and sets are done by sending additional | |
2088 | * values with a zero-length name... | |
2089 | */ | |
2090 | ||
2091 | *bufptr++ = attr->value_tag; | |
2092 | *bufptr++ = 0; | |
2093 | *bufptr++ = 0; | |
2094 | } | |
2095 | ||
2096 | /* | |
2097 | * Range values consist of a 2-byte length, | |
2098 | * 4-byte lower value, and 4-byte upper value. | |
2099 | * | |
2100 | * Put the 2-byte length and range value data | |
2101 | * into the buffer. | |
2102 | */ | |
2103 | ||
2104 | *bufptr++ = 0; | |
2105 | *bufptr++ = 8; | |
2106 | *bufptr++ = value->range.lower >> 24; | |
2107 | *bufptr++ = value->range.lower >> 16; | |
2108 | *bufptr++ = value->range.lower >> 8; | |
2109 | *bufptr++ = value->range.lower; | |
2110 | *bufptr++ = value->range.upper >> 24; | |
2111 | *bufptr++ = value->range.upper >> 16; | |
2112 | *bufptr++ = value->range.upper >> 8; | |
2113 | *bufptr++ = value->range.upper; | |
2114 | } | |
2115 | break; | |
2116 | ||
2117 | case IPP_TAG_TEXTLANG : | |
2118 | case IPP_TAG_NAMELANG : | |
2119 | for (i = 0, value = attr->values; | |
2120 | i < attr->num_values; | |
2121 | i ++, value ++) | |
2122 | { | |
2123 | if (i) | |
2124 | { | |
2125 | /* | |
2126 | * Arrays and sets are done by sending additional | |
2127 | * values with a zero-length name... | |
2128 | */ | |
2129 | ||
2130 | if ((sizeof(buffer) - (bufptr - buffer)) < 3) | |
2131 | { | |
2132 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2133 | { | |
2134 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); | |
2135 | return (IPP_ERROR); | |
2136 | } | |
2137 | ||
2138 | bufptr = buffer; | |
2139 | } | |
2140 | ||
2141 | *bufptr++ = attr->value_tag; | |
2142 | *bufptr++ = 0; | |
2143 | *bufptr++ = 0; | |
2144 | } | |
2145 | ||
2146 | /* | |
2147 | * textWithLanguage and nameWithLanguage values consist | |
2148 | * of a 2-byte length for both strings and their | |
2149 | * individual lengths, a 2-byte length for the | |
2150 | * character string, the character string without the | |
2151 | * trailing nul, a 2-byte length for the character | |
2152 | * set string, and the character set string without | |
2153 | * the trailing nul. | |
2154 | */ | |
2155 | ||
2156 | n = 4; | |
2157 | ||
2158 | if (value->string.charset != NULL) | |
2159 | n += strlen(value->string.charset); | |
2160 | ||
2161 | if (value->string.text != NULL) | |
2162 | n += strlen(value->string.text); | |
2163 | ||
2164 | if (n > (sizeof(buffer) - 2)) | |
2165 | return (IPP_ERROR); | |
2166 | ||
2167 | if ((int)(sizeof(buffer) - (bufptr - buffer)) < (n + 2)) | |
2168 | { | |
2169 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2170 | { | |
2171 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); | |
2172 | return (IPP_ERROR); | |
2173 | } | |
2174 | ||
2175 | bufptr = buffer; | |
2176 | } | |
2177 | ||
2178 | /* Length of entire value */ | |
2179 | *bufptr++ = n >> 8; | |
2180 | *bufptr++ = n; | |
2181 | ||
2182 | /* Length of charset */ | |
2183 | if (value->string.charset != NULL) | |
2184 | n = (int)strlen(value->string.charset); | |
2185 | else | |
2186 | n = 0; | |
2187 | ||
2188 | *bufptr++ = n >> 8; | |
2189 | *bufptr++ = n; | |
2190 | ||
2191 | /* Charset */ | |
2192 | if (n > 0) | |
2193 | { | |
2194 | memcpy(bufptr, value->string.charset, n); | |
2195 | bufptr += n; | |
2196 | } | |
2197 | ||
2198 | /* Length of text */ | |
2199 | if (value->string.text != NULL) | |
2200 | n = (int)strlen(value->string.text); | |
2201 | else | |
2202 | n = 0; | |
2203 | ||
2204 | *bufptr++ = n >> 8; | |
2205 | *bufptr++ = n; | |
2206 | ||
2207 | /* Text */ | |
2208 | if (n > 0) | |
2209 | { | |
2210 | memcpy(bufptr, value->string.text, n); | |
2211 | bufptr += n; | |
2212 | } | |
2213 | } | |
2214 | break; | |
2215 | ||
2216 | case IPP_TAG_BEGIN_COLLECTION : | |
2217 | for (i = 0, value = attr->values; | |
2218 | i < attr->num_values; | |
2219 | i ++, value ++) | |
2220 | { | |
2221 | /* | |
2222 | * Collections are written with the begin-collection | |
2223 | * tag first with a value of 0 length, followed by the | |
2224 | * attributes in the collection, then the end-collection | |
2225 | * value... | |
2226 | */ | |
2227 | ||
2228 | if ((sizeof(buffer) - (bufptr - buffer)) < 5) | |
2229 | { | |
2230 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2231 | { | |
2232 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); | |
2233 | return (IPP_ERROR); | |
2234 | } | |
2235 | ||
2236 | bufptr = buffer; | |
2237 | } | |
2238 | ||
2239 | if (i) | |
2240 | { | |
2241 | /* | |
2242 | * Arrays and sets are done by sending additional | |
2243 | * values with a zero-length name... | |
2244 | */ | |
2245 | ||
2246 | *bufptr++ = attr->value_tag; | |
2247 | *bufptr++ = 0; | |
2248 | *bufptr++ = 0; | |
2249 | } | |
2250 | ||
2251 | /* | |
2252 | * Write a data length of 0 and flush the buffer... | |
2253 | */ | |
2254 | ||
2255 | *bufptr++ = 0; | |
2256 | *bufptr++ = 0; | |
2257 | ||
2258 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2259 | { | |
2260 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); | |
2261 | return (IPP_ERROR); | |
2262 | } | |
2263 | ||
2264 | bufptr = buffer; | |
2265 | ||
2266 | /* | |
2267 | * Then write the collection attribute... | |
2268 | */ | |
2269 | ||
2270 | value->collection->state = IPP_IDLE; | |
2271 | ||
2272 | if (ippWriteIO(dst, cb, 1, ipp, value->collection) == IPP_ERROR) | |
2273 | return (IPP_ERROR); | |
2274 | } | |
2275 | break; | |
2276 | ||
2277 | default : | |
2278 | for (i = 0, value = attr->values; | |
2279 | i < attr->num_values; | |
2280 | i ++, value ++) | |
2281 | { | |
2282 | if (i) | |
2283 | { | |
2284 | /* | |
2285 | * Arrays and sets are done by sending additional | |
2286 | * values with a zero-length name... | |
2287 | */ | |
2288 | ||
2289 | if ((sizeof(buffer) - (bufptr - buffer)) < 3) | |
2290 | { | |
2291 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2292 | { | |
2293 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); | |
2294 | return (IPP_ERROR); | |
2295 | } | |
2296 | ||
2297 | bufptr = buffer; | |
2298 | } | |
2299 | ||
2300 | *bufptr++ = attr->value_tag; | |
2301 | *bufptr++ = 0; | |
2302 | *bufptr++ = 0; | |
2303 | } | |
2304 | ||
2305 | /* | |
2306 | * An unknown value might some new value that a | |
2307 | * vendor has come up with. It consists of a | |
2308 | * 2-byte length and the bytes in the unknown | |
2309 | * value buffer. | |
2310 | */ | |
2311 | ||
2312 | n = value->unknown.length; | |
2313 | ||
2314 | if (n > (sizeof(buffer) - 2)) | |
2315 | return (IPP_ERROR); | |
2316 | ||
2317 | if ((int)(sizeof(buffer) - (bufptr - buffer)) < (n + 2)) | |
2318 | { | |
2319 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2320 | { | |
2321 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); | |
2322 | return (IPP_ERROR); | |
2323 | } | |
2324 | ||
2325 | bufptr = buffer; | |
2326 | } | |
2327 | ||
2328 | /* Length of unknown value */ | |
2329 | *bufptr++ = n >> 8; | |
2330 | *bufptr++ = n; | |
2331 | ||
2332 | /* Value */ | |
2333 | if (n > 0) | |
2334 | { | |
2335 | memcpy(bufptr, value->unknown.data, n); | |
2336 | bufptr += n; | |
2337 | } | |
2338 | } | |
2339 | break; | |
2340 | } | |
2341 | ||
2342 | /* | |
2343 | * Write the data out... | |
2344 | */ | |
2345 | ||
2346 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2347 | { | |
2348 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); | |
2349 | return (IPP_ERROR); | |
2350 | } | |
2351 | ||
2352 | DEBUG_printf(("ippWriteIO: wrote %d bytes\n", bufptr - buffer)); | |
2353 | ||
2354 | /* | |
2355 | * If blocking is disabled, stop here... | |
2356 | */ | |
2357 | ||
2358 | if (!blocking) | |
2359 | break; | |
2360 | } | |
2361 | ||
2362 | if (ipp->current == NULL) | |
2363 | { | |
2364 | /* | |
2365 | * Done with all of the attributes; add the end-of-attributes | |
2366 | * tag or end-collection attribute... | |
2367 | */ | |
2368 | ||
2369 | if (parent == NULL) | |
2370 | { | |
2371 | buffer[0] = IPP_TAG_END; | |
2372 | n = 1; | |
2373 | } | |
2374 | else | |
2375 | { | |
2376 | buffer[0] = IPP_TAG_END_COLLECTION; | |
2377 | buffer[1] = 0; /* empty name */ | |
2378 | buffer[2] = 0; | |
2379 | buffer[3] = 0; /* empty value */ | |
2380 | buffer[4] = 0; | |
2381 | n = 5; | |
2382 | } | |
2383 | ||
2384 | if ((*cb)(dst, buffer, n) < 0) | |
2385 | { | |
2386 | DEBUG_puts("ippWriteIO: Could not write IPP end-tag..."); | |
2387 | return (IPP_ERROR); | |
2388 | } | |
2389 | ||
2390 | ipp->state = IPP_DATA; | |
2391 | } | |
2392 | break; | |
2393 | ||
2394 | case IPP_DATA : | |
2395 | break; | |
2396 | ||
2397 | default : | |
2398 | break; /* anti-compiler-warning-code */ | |
2399 | } | |
2400 | ||
2401 | return (ipp->state); | |
2402 | } | |
2403 | ||
2404 | ||
2405 | /* | |
2406 | * '_ippAddAttr()' - Add a new attribute to the request. | |
2407 | */ | |
2408 | ||
2409 | ipp_attribute_t * /* O - New attribute */ | |
2410 | _ippAddAttr(ipp_t *ipp, /* I - IPP message */ | |
2411 | int num_values) /* I - Number of values */ | |
2412 | { | |
2413 | ipp_attribute_t *attr; /* New attribute */ | |
2414 | ||
2415 | ||
2416 | DEBUG_printf(("_ippAddAttr(%p, %d)\n", ipp, num_values)); | |
2417 | ||
2418 | if (ipp == NULL || num_values < 0) | |
2419 | return (NULL); | |
2420 | ||
2421 | attr = calloc(sizeof(ipp_attribute_t) + | |
2422 | (num_values - 1) * sizeof(ipp_value_t), 1); | |
2423 | ||
2424 | if (attr != NULL) | |
2425 | { | |
2426 | attr->num_values = num_values; | |
2427 | ||
2428 | if (ipp->last == NULL) | |
2429 | ipp->attrs = attr; | |
2430 | else | |
2431 | ipp->last->next = attr; | |
2432 | ||
2433 | ipp->last = attr; | |
2434 | } | |
2435 | ||
2436 | DEBUG_printf(("_ippAddAttr(): %p\n", attr)); | |
2437 | ||
2438 | return (attr); | |
2439 | } | |
2440 | ||
2441 | ||
2442 | /* | |
2443 | * '_ippFreeAttr()' - Free an attribute. | |
2444 | */ | |
2445 | ||
2446 | void | |
2447 | _ippFreeAttr(ipp_attribute_t *attr) /* I - Attribute to free */ | |
2448 | { | |
2449 | int i; /* Looping var */ | |
2450 | ipp_value_t *value; /* Current value */ | |
2451 | ||
2452 | ||
2453 | DEBUG_printf(("_ippFreeAttr(): %p\n", attr)); | |
2454 | ||
2455 | switch (attr->value_tag) | |
2456 | { | |
2457 | case IPP_TAG_TEXT : | |
2458 | case IPP_TAG_NAME : | |
2459 | case IPP_TAG_KEYWORD : | |
2460 | case IPP_TAG_STRING : | |
2461 | case IPP_TAG_URI : | |
2462 | case IPP_TAG_URISCHEME : | |
2463 | case IPP_TAG_CHARSET : | |
2464 | case IPP_TAG_LANGUAGE : | |
2465 | case IPP_TAG_MIMETYPE : | |
2466 | for (i = 0, value = attr->values; | |
2467 | i < attr->num_values; | |
2468 | i ++, value ++) | |
2469 | _cupsStrFree(value->string.text); | |
2470 | break; | |
2471 | ||
2472 | case IPP_TAG_TEXTLANG : | |
2473 | case IPP_TAG_NAMELANG : | |
2474 | for (i = 0, value = attr->values; | |
2475 | i < attr->num_values; | |
2476 | i ++, value ++) | |
2477 | { | |
2478 | if (value->string.charset && i == 0) | |
2479 | _cupsStrFree(value->string.charset); | |
2480 | _cupsStrFree(value->string.text); | |
2481 | } | |
2482 | break; | |
2483 | ||
2484 | case IPP_TAG_INTEGER : | |
2485 | case IPP_TAG_ENUM : | |
2486 | case IPP_TAG_BOOLEAN : | |
2487 | case IPP_TAG_DATE : | |
2488 | case IPP_TAG_RESOLUTION : | |
2489 | case IPP_TAG_RANGE : | |
2490 | break; | |
2491 | ||
2492 | case IPP_TAG_BEGIN_COLLECTION : | |
2493 | for (i = 0, value = attr->values; | |
2494 | i < attr->num_values; | |
2495 | i ++, value ++) | |
2496 | ippDelete(value->collection); | |
2497 | break; | |
2498 | ||
2499 | default : | |
2500 | if (!((int)attr->value_tag & IPP_TAG_COPY)) | |
2501 | { | |
2502 | for (i = 0, value = attr->values; | |
2503 | i < attr->num_values; | |
2504 | i ++, value ++) | |
2505 | if (value->unknown.data) | |
2506 | free(value->unknown.data); | |
2507 | } | |
2508 | break; | |
2509 | } | |
2510 | ||
2511 | if (attr->name) | |
2512 | _cupsStrFree(attr->name); | |
2513 | ||
2514 | free(attr); | |
2515 | } | |
2516 | ||
2517 | ||
2518 | /* | |
2519 | * 'ipp_length()' - Compute the length of an IPP message or collection value. | |
2520 | */ | |
2521 | ||
2522 | static size_t /* O - Size of IPP message */ | |
2523 | ipp_length(ipp_t *ipp, /* I - IPP message or collection */ | |
2524 | int collection) /* I - 1 if a collection, 0 otherwise */ | |
2525 | { | |
2526 | int i; /* Looping var */ | |
2527 | int bytes; /* Number of bytes */ | |
2528 | ipp_attribute_t *attr; /* Current attribute */ | |
2529 | ipp_tag_t group; /* Current group */ | |
2530 | ipp_value_t *value; /* Current value */ | |
2531 | ||
2532 | ||
2533 | if (ipp == NULL) | |
2534 | return (0); | |
2535 | ||
2536 | /* | |
2537 | * Start with 8 bytes for the IPP message header... | |
2538 | */ | |
2539 | ||
2540 | bytes = collection ? 0 : 8; | |
2541 | ||
2542 | /* | |
2543 | * Then add the lengths of each attribute... | |
2544 | */ | |
2545 | ||
2546 | group = IPP_TAG_ZERO; | |
2547 | ||
2548 | for (attr = ipp->attrs; attr != NULL; attr = attr->next) | |
2549 | { | |
2550 | if (attr->group_tag != group && !collection) | |
2551 | { | |
2552 | group = attr->group_tag; | |
2553 | if (group == IPP_TAG_ZERO) | |
2554 | continue; | |
2555 | ||
2556 | bytes ++; /* Group tag */ | |
2557 | } | |
2558 | ||
2559 | if (!attr->name) | |
2560 | continue; | |
2561 | ||
2562 | DEBUG_printf(("attr->name = %s, attr->num_values = %d, bytes = %d\n", | |
2563 | attr->name, attr->num_values, bytes)); | |
2564 | ||
2565 | bytes += strlen(attr->name); /* Name */ | |
2566 | bytes += attr->num_values; /* Value tag for each value */ | |
2567 | bytes += 2 * attr->num_values; /* Name lengths */ | |
2568 | bytes += 2 * attr->num_values; /* Value lengths */ | |
2569 | ||
2570 | if (collection) | |
2571 | bytes += 5; /* Add membername overhead */ | |
2572 | ||
2573 | switch (attr->value_tag & ~IPP_TAG_COPY) | |
2574 | { | |
2575 | case IPP_TAG_INTEGER : | |
2576 | case IPP_TAG_ENUM : | |
2577 | bytes += 4 * attr->num_values; | |
2578 | break; | |
2579 | ||
2580 | case IPP_TAG_BOOLEAN : | |
2581 | bytes += attr->num_values; | |
2582 | break; | |
2583 | ||
2584 | case IPP_TAG_TEXT : | |
2585 | case IPP_TAG_NAME : | |
2586 | case IPP_TAG_KEYWORD : | |
2587 | case IPP_TAG_STRING : | |
2588 | case IPP_TAG_URI : | |
2589 | case IPP_TAG_URISCHEME : | |
2590 | case IPP_TAG_CHARSET : | |
2591 | case IPP_TAG_LANGUAGE : | |
2592 | case IPP_TAG_MIMETYPE : | |
2593 | for (i = 0, value = attr->values; | |
2594 | i < attr->num_values; | |
2595 | i ++, value ++) | |
2596 | if (value->string.text != NULL) | |
2597 | bytes += strlen(value->string.text); | |
2598 | break; | |
2599 | ||
2600 | case IPP_TAG_DATE : | |
2601 | bytes += 11 * attr->num_values; | |
2602 | break; | |
2603 | ||
2604 | case IPP_TAG_RESOLUTION : | |
2605 | bytes += 9 * attr->num_values; | |
2606 | break; | |
2607 | ||
2608 | case IPP_TAG_RANGE : | |
2609 | bytes += 8 * attr->num_values; | |
2610 | break; | |
2611 | ||
2612 | case IPP_TAG_TEXTLANG : | |
2613 | case IPP_TAG_NAMELANG : | |
2614 | bytes += 4 * attr->num_values;/* Charset + text length */ | |
2615 | ||
2616 | for (i = 0, value = attr->values; | |
2617 | i < attr->num_values; | |
2618 | i ++, value ++) | |
2619 | { | |
2620 | if (value->string.charset != NULL) | |
2621 | bytes += strlen(value->string.charset); | |
2622 | ||
2623 | if (value->string.text != NULL) | |
2624 | bytes += strlen(value->string.text); | |
2625 | } | |
2626 | break; | |
2627 | ||
2628 | case IPP_TAG_BEGIN_COLLECTION : | |
2629 | for (i = 0, value = attr->values; | |
2630 | i < attr->num_values; | |
2631 | i ++, value ++) | |
2632 | bytes += ipp_length(value->collection, 1); | |
2633 | break; | |
2634 | ||
2635 | default : | |
2636 | for (i = 0, value = attr->values; | |
2637 | i < attr->num_values; | |
2638 | i ++, value ++) | |
2639 | bytes += value->unknown.length; | |
2640 | break; | |
2641 | } | |
2642 | } | |
2643 | ||
2644 | /* | |
2645 | * Finally, add 1 byte for the "end of attributes" tag or 5 bytes | |
2646 | * for the "end of collection" tag and return... | |
2647 | */ | |
2648 | ||
2649 | if (collection) | |
2650 | bytes += 5; | |
2651 | else | |
2652 | bytes ++; | |
2653 | ||
2654 | DEBUG_printf(("bytes = %d\n", bytes)); | |
2655 | ||
2656 | return (bytes); | |
2657 | } | |
2658 | ||
2659 | ||
2660 | /* | |
2661 | * 'ipp_read_http()' - Semi-blocking read on a HTTP connection... | |
2662 | */ | |
2663 | ||
2664 | static ssize_t /* O - Number of bytes read */ | |
2665 | ipp_read_http(http_t *http, /* I - Client connection */ | |
2666 | ipp_uchar_t *buffer, /* O - Buffer for data */ | |
2667 | size_t length) /* I - Total length */ | |
2668 | { | |
2669 | int tbytes, /* Total bytes read */ | |
2670 | bytes; /* Bytes read this pass */ | |
2671 | char len[32]; /* Length string */ | |
2672 | ||
2673 | ||
2674 | DEBUG_printf(("ipp_read_http(http=%p, buffer=%p, length=%d)\n", | |
2675 | http, buffer, length)); | |
2676 | ||
2677 | /* | |
2678 | * Loop until all bytes are read... | |
2679 | */ | |
2680 | ||
2681 | for (tbytes = 0, bytes = 0; tbytes < length; tbytes += bytes, buffer += bytes) | |
2682 | { | |
2683 | DEBUG_printf(("tbytes = %d, http->state = %d\n", tbytes, http->state)); | |
2684 | ||
2685 | if (http->state == HTTP_WAITING) | |
2686 | break; | |
2687 | ||
2688 | if (http->used > 0 && http->data_encoding == HTTP_ENCODE_LENGTH) | |
2689 | { | |
2690 | /* | |
2691 | * Do "fast read" from HTTP buffer directly... | |
2692 | */ | |
2693 | ||
2694 | if (http->used > (length - tbytes)) | |
2695 | bytes = length - tbytes; | |
2696 | else | |
2697 | bytes = http->used; | |
2698 | ||
2699 | if (bytes == 1) | |
2700 | buffer[0] = http->buffer[0]; | |
2701 | else | |
2702 | memcpy(buffer, http->buffer, bytes); | |
2703 | ||
2704 | http->used -= bytes; | |
2705 | http->data_remaining -= bytes; | |
2706 | ||
2707 | if (http->data_remaining <= INT_MAX) | |
2708 | http->_data_remaining = (int)http->data_remaining; | |
2709 | else | |
2710 | http->_data_remaining = INT_MAX; | |
2711 | ||
2712 | if (http->used > 0) | |
2713 | memmove(http->buffer, http->buffer + bytes, http->used); | |
2714 | ||
2715 | if (http->data_remaining == 0) | |
2716 | { | |
2717 | if (http->data_encoding == HTTP_ENCODE_CHUNKED) | |
2718 | { | |
2719 | /* | |
2720 | * Get the trailing CR LF after the chunk... | |
2721 | */ | |
2722 | ||
2723 | if (!httpGets(len, sizeof(len), http)) | |
2724 | return (-1); | |
2725 | } | |
2726 | ||
2727 | if (http->data_encoding != HTTP_ENCODE_CHUNKED) | |
2728 | { | |
2729 | if (http->state == HTTP_POST_RECV) | |
2730 | http->state ++; | |
2731 | else | |
2732 | http->state = HTTP_WAITING; | |
2733 | } | |
2734 | } | |
2735 | } | |
2736 | else | |
2737 | { | |
2738 | /* | |
2739 | * Wait a maximum of 1 second for data... | |
2740 | */ | |
2741 | ||
2742 | if (!http->blocking) | |
2743 | { | |
2744 | /* | |
2745 | * Wait up to 10 seconds for more data on non-blocking sockets... | |
2746 | */ | |
2747 | ||
2748 | if (!httpWait(http, 10000)) | |
2749 | { | |
2750 | /* | |
2751 | * Signal no data... | |
2752 | */ | |
2753 | ||
2754 | bytes = -1; | |
2755 | break; | |
2756 | } | |
2757 | } | |
2758 | ||
2759 | if ((bytes = httpRead2(http, (char *)buffer, length - tbytes)) <= 0) | |
2760 | break; | |
2761 | } | |
2762 | } | |
2763 | ||
2764 | /* | |
2765 | * Return the number of bytes read... | |
2766 | */ | |
2767 | ||
2768 | if (tbytes == 0 && bytes < 0) | |
2769 | tbytes = -1; | |
2770 | ||
2771 | DEBUG_printf(("returning %d bytes...\n", tbytes)); | |
2772 | ||
2773 | return (tbytes); | |
2774 | } | |
2775 | ||
2776 | ||
2777 | /* | |
2778 | * 'ipp_read_file()' - Read IPP data from a file. | |
2779 | */ | |
2780 | ||
2781 | static ssize_t /* O - Number of bytes read */ | |
2782 | ipp_read_file(int *fd, /* I - File descriptor */ | |
2783 | ipp_uchar_t *buffer, /* O - Read buffer */ | |
2784 | size_t length) /* I - Number of bytes to read */ | |
2785 | { | |
2786 | return (read(*fd, buffer, length)); | |
2787 | } | |
2788 | ||
2789 | ||
2790 | /* | |
2791 | * 'ipp_write_file()' - Write IPP data to a file. | |
2792 | */ | |
2793 | ||
2794 | static ssize_t /* O - Number of bytes written */ | |
2795 | ipp_write_file(int *fd, /* I - File descriptor */ | |
2796 | ipp_uchar_t *buffer, /* I - Data to write */ | |
2797 | size_t length) /* I - Number of bytes to write */ | |
2798 | { | |
2799 | return (write(*fd, buffer, length)); | |
2800 | } | |
2801 | ||
2802 | ||
2803 | #ifdef __linux | |
2804 | /* | |
2805 | * The following symbol definitions are provided only for KDE | |
2806 | * compatibility during the CUPS 1.2 testing period and will be | |
2807 | * removed in a future release of CUPS. These are PRIVATE APIs | |
2808 | * from CUPS 1.1.x that the KDE developers chose to use... | |
2809 | */ | |
2810 | ||
2811 | ipp_attribute_t * /* O - New attribute */ | |
2812 | _ipp_add_attr(ipp_t *ipp, /* I - IPP message */ | |
2813 | int num_values) /* I - Number of values */ | |
2814 | { | |
2815 | return (_ippAddAttr(ipp, num_values)); | |
2816 | } | |
2817 | ||
2818 | void | |
2819 | _ipp_free_attr(ipp_attribute_t *attr) /* I - Attribute to free */ | |
2820 | { | |
2821 | _ippFreeAttr(attr); | |
2822 | } | |
2823 | #endif /* __linux */ | |
2824 | ||
2825 | ||
2826 | /* | |
2827 | * End of "$Id: ipp.c 5624 2006-06-02 15:15:23Z mike $". | |
2828 | */ |