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ef416fc2 | 1 | /* |
a4d04587 | 2 | * "$Id: ipp.c 5023 2006-01-29 14:39:44Z mike $" |
ef416fc2 | 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 | * _ipp_add_attr() - Add a new attribute to the request. | |
61 | * _ipp_free_attr() - 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); | |
a4d04587 | 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); | |
ef416fc2 | 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 = _ipp_add_attr(ipp, 1)) == NULL) | |
115 | return (NULL); | |
116 | ||
117 | attr->name = strdup(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 = _ipp_add_attr(ipp, num_values)) == NULL) | |
149 | return (NULL); | |
150 | ||
151 | attr->name = strdup(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 = _ipp_add_attr(ipp, 1)) == NULL) | |
187 | return (NULL); | |
188 | ||
189 | attr->name = strdup(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 = _ipp_add_attr(ipp, num_values)) == NULL) | |
224 | return (NULL); | |
225 | ||
226 | attr->name = strdup(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 = _ipp_add_attr(ipp, 1)) == NULL) | |
260 | return (NULL); | |
261 | ||
262 | attr->name = strdup(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 = _ipp_add_attr(ipp, 1)) == NULL) | |
292 | return (NULL); | |
293 | ||
294 | attr->name = strdup(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 = _ipp_add_attr(ipp, num_values)) == NULL) | |
324 | return (NULL); | |
325 | ||
326 | attr->name = strdup(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 = _ipp_add_attr(ipp, 1)) == NULL) | |
360 | return (NULL); | |
361 | ||
362 | /* | |
363 | * Initialize the attribute data... | |
364 | */ | |
365 | ||
366 | attr->name = strdup(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 | ||
399 | ||
400 | if (ipp == NULL || name == NULL) | |
401 | return (NULL); | |
402 | ||
403 | if ((attr = _ipp_add_attr(ipp, 1)) == NULL) | |
404 | return (NULL); | |
405 | ||
406 | /* | |
407 | * Force value to be English for the POSIX locale... | |
408 | */ | |
409 | ||
410 | if (type == IPP_TAG_LANGUAGE && strcasecmp(value, "C") == 0) | |
411 | value = "en"; | |
412 | ||
413 | /* | |
414 | * Initialize the attribute data... | |
415 | */ | |
416 | ||
417 | attr->name = strdup(name); | |
418 | attr->group_tag = group; | |
419 | attr->value_tag = type; | |
420 | attr->values[0].string.charset = ((int)type & IPP_TAG_COPY) ? (char *)charset : | |
421 | charset ? strdup(charset) : NULL; | |
422 | attr->values[0].string.text = ((int)type & IPP_TAG_COPY) ? (char *)value : | |
423 | value ? strdup(value) : NULL; | |
424 | ||
425 | /* | |
426 | * Convert language values to lowercase and change _ to - as needed... | |
427 | */ | |
428 | ||
429 | if ((type == IPP_TAG_LANGUAGE || type == IPP_TAG_CHARSET) && | |
430 | attr->values[0].string.text) | |
431 | { | |
432 | char *p; | |
433 | ||
434 | ||
435 | for (p = attr->values[0].string.text; *p; p ++) | |
436 | if (*p == '_') | |
437 | *p = '-'; | |
438 | else | |
439 | *p = tolower(*p & 255); | |
440 | } | |
441 | ||
442 | return (attr); | |
443 | } | |
444 | ||
445 | ||
446 | /* | |
447 | * 'ippAddStrings()' - Add language-encoded strings to an IPP message. | |
448 | */ | |
449 | ||
450 | ipp_attribute_t * /* O - New attribute */ | |
451 | ippAddStrings( | |
452 | ipp_t *ipp, /* I - IPP message */ | |
453 | ipp_tag_t group, /* I - IPP group */ | |
454 | ipp_tag_t type, /* I - Type of attribute */ | |
455 | const char *name, /* I - Name of attribute */ | |
456 | int num_values, /* I - Number of values */ | |
457 | const char *charset, /* I - Character set */ | |
458 | const char * const *values) /* I - Values */ | |
459 | { | |
460 | int i; /* Looping var */ | |
461 | ipp_attribute_t *attr; /* New attribute */ | |
462 | ipp_value_t *value; /* Current value */ | |
463 | ||
464 | ||
465 | if (ipp == NULL || name == NULL || num_values < 1) | |
466 | return (NULL); | |
467 | ||
468 | if ((attr = _ipp_add_attr(ipp, num_values)) == NULL) | |
469 | return (NULL); | |
470 | ||
471 | /* | |
472 | * Initialize the attribute data... | |
473 | */ | |
474 | ||
475 | attr->name = strdup(name); | |
476 | attr->group_tag = group; | |
477 | attr->value_tag = type; | |
478 | ||
479 | for (i = 0, value = attr->values; | |
480 | i < num_values; | |
481 | i ++, value ++) | |
482 | { | |
483 | if (i == 0) | |
484 | value->string.charset = ((int)type & IPP_TAG_COPY) ? (char *)charset : | |
485 | charset ? strdup(charset) : NULL; | |
486 | else | |
487 | value->string.charset = attr->values[0].string.charset; | |
488 | ||
489 | if (values != NULL) | |
490 | { | |
491 | /* | |
492 | * Force language to be English for the POSIX locale... | |
493 | */ | |
494 | ||
495 | if (type == IPP_TAG_LANGUAGE && strcasecmp(values[i], "C") == 0) | |
496 | value->string.text = ((int)type & IPP_TAG_COPY) ? "en" : | |
497 | strdup("en"); | |
498 | else | |
499 | value->string.text = ((int)type & IPP_TAG_COPY) ? (char *)values[i] : | |
500 | strdup(values[i]); | |
501 | } | |
502 | } | |
503 | ||
504 | return (attr); | |
505 | } | |
506 | ||
507 | ||
508 | /* | |
509 | * 'ippAddRange()' - Add a range of values to an IPP message. | |
510 | */ | |
511 | ||
512 | ipp_attribute_t * /* O - New attribute */ | |
513 | ippAddRange(ipp_t *ipp, /* I - IPP message */ | |
514 | ipp_tag_t group, /* I - IPP group */ | |
515 | const char *name, /* I - Name of attribute */ | |
516 | int lower, /* I - Lower value */ | |
517 | int upper) /* I - Upper value */ | |
518 | { | |
519 | ipp_attribute_t *attr; /* New attribute */ | |
520 | ||
521 | ||
522 | if (ipp == NULL || name == NULL) | |
523 | return (NULL); | |
524 | ||
525 | if ((attr = _ipp_add_attr(ipp, 1)) == NULL) | |
526 | return (NULL); | |
527 | ||
528 | attr->name = strdup(name); | |
529 | attr->group_tag = group; | |
530 | attr->value_tag = IPP_TAG_RANGE; | |
531 | attr->values[0].range.lower = lower; | |
532 | attr->values[0].range.upper = upper; | |
533 | ||
534 | return (attr); | |
535 | } | |
536 | ||
537 | ||
538 | /* | |
539 | * 'ippAddRanges()' - Add ranges of values to an IPP message. | |
540 | */ | |
541 | ||
542 | ipp_attribute_t * /* O - New attribute */ | |
543 | ippAddRanges(ipp_t *ipp, /* I - IPP message */ | |
544 | ipp_tag_t group, /* I - IPP group */ | |
545 | const char *name, /* I - Name of attribute */ | |
546 | int num_values, /* I - Number of values */ | |
547 | const int *lower, /* I - Lower values */ | |
548 | const int *upper) /* I - Upper values */ | |
549 | { | |
550 | int i; /* Looping var */ | |
551 | ipp_attribute_t *attr; /* New attribute */ | |
552 | ipp_value_t *value; /* Current value */ | |
553 | ||
554 | ||
555 | if (ipp == NULL || name == NULL || num_values < 1) | |
556 | return (NULL); | |
557 | ||
558 | if ((attr = _ipp_add_attr(ipp, num_values)) == NULL) | |
559 | return (NULL); | |
560 | ||
561 | attr->name = strdup(name); | |
562 | attr->group_tag = group; | |
563 | attr->value_tag = IPP_TAG_RANGE; | |
564 | ||
565 | if (lower != NULL && upper != NULL) | |
566 | for (i = 0, value = attr->values; | |
567 | i < num_values; | |
568 | i ++, value ++) | |
569 | { | |
570 | value->range.lower = lower[i]; | |
571 | value->range.upper = upper[i]; | |
572 | } | |
573 | ||
574 | return (attr); | |
575 | } | |
576 | ||
577 | ||
578 | /* | |
579 | * 'ippAddResolution()' - Add a resolution value to an IPP message. | |
580 | */ | |
581 | ||
582 | ipp_attribute_t * /* O - New attribute */ | |
583 | ippAddResolution(ipp_t *ipp, /* I - IPP message */ | |
584 | ipp_tag_t group, /* I - IPP group */ | |
585 | const char *name, /* I - Name of attribute */ | |
586 | ipp_res_t units, /* I - Units for resolution */ | |
587 | int xres, /* I - X resolution */ | |
588 | int yres) /* I - Y resolution */ | |
589 | { | |
590 | ipp_attribute_t *attr; /* New attribute */ | |
591 | ||
592 | ||
593 | if (ipp == NULL || name == NULL) | |
594 | return (NULL); | |
595 | ||
596 | if ((attr = _ipp_add_attr(ipp, 1)) == NULL) | |
597 | return (NULL); | |
598 | ||
599 | attr->name = strdup(name); | |
600 | attr->group_tag = group; | |
601 | attr->value_tag = IPP_TAG_RESOLUTION; | |
602 | attr->values[0].resolution.xres = xres; | |
603 | attr->values[0].resolution.yres = yres; | |
604 | attr->values[0].resolution.units = units; | |
605 | ||
606 | return (attr); | |
607 | } | |
608 | ||
609 | ||
610 | /* | |
611 | * 'ippAddResolutions()' - Add resolution values to an IPP message. | |
612 | */ | |
613 | ||
614 | ipp_attribute_t * /* O - New attribute */ | |
615 | ippAddResolutions(ipp_t *ipp, /* I - IPP message */ | |
616 | ipp_tag_t group, /* I - IPP group */ | |
617 | const char *name, /* I - Name of attribute */ | |
618 | int num_values,/* I - Number of values */ | |
619 | ipp_res_t units, /* I - Units for resolution */ | |
620 | const int *xres, /* I - X resolutions */ | |
621 | const int *yres) /* I - Y resolutions */ | |
622 | { | |
623 | int i; /* Looping var */ | |
624 | ipp_attribute_t *attr; /* New attribute */ | |
625 | ipp_value_t *value; /* Current value */ | |
626 | ||
627 | ||
628 | if (ipp == NULL || name == NULL || num_values < 1) | |
629 | return (NULL); | |
630 | ||
631 | if ((attr = _ipp_add_attr(ipp, num_values)) == NULL) | |
632 | return (NULL); | |
633 | ||
634 | attr->name = strdup(name); | |
635 | attr->group_tag = group; | |
636 | attr->value_tag = IPP_TAG_RESOLUTION; | |
637 | ||
638 | if (xres != NULL && yres != NULL) | |
639 | for (i = 0, value = attr->values; | |
640 | i < num_values; | |
641 | i ++, value ++) | |
642 | { | |
643 | value->resolution.xres = xres[i]; | |
644 | value->resolution.yres = yres[i]; | |
645 | value->resolution.units = units; | |
646 | } | |
647 | ||
648 | return (attr); | |
649 | } | |
650 | ||
651 | ||
652 | /* | |
653 | * 'ippAddSeparator()' - Add a group separator to an IPP message. | |
654 | */ | |
655 | ||
656 | ipp_attribute_t * /* O - New attribute */ | |
657 | ippAddSeparator(ipp_t *ipp) /* I - IPP message */ | |
658 | { | |
659 | ipp_attribute_t *attr; /* New attribute */ | |
660 | ||
661 | ||
662 | DEBUG_printf(("ippAddSeparator(%p)\n", ipp)); | |
663 | ||
664 | if (ipp == NULL) | |
665 | return (NULL); | |
666 | ||
667 | if ((attr = _ipp_add_attr(ipp, 0)) == NULL) | |
668 | return (NULL); | |
669 | ||
670 | attr->group_tag = IPP_TAG_ZERO; | |
671 | attr->value_tag = IPP_TAG_ZERO; | |
672 | ||
673 | return (attr); | |
674 | } | |
675 | ||
676 | ||
677 | /* | |
678 | * 'ippDateToTime()' - Convert from RFC 1903 Date/Time format to UNIX time | |
679 | * in seconds. | |
680 | */ | |
681 | ||
682 | time_t /* O - UNIX time value */ | |
683 | ippDateToTime(const ipp_uchar_t *date) /* I - RFC 1903 date info */ | |
684 | { | |
685 | struct tm unixdate; /* UNIX date/time info */ | |
686 | time_t t; /* Computed time */ | |
687 | ||
688 | ||
689 | memset(&unixdate, 0, sizeof(unixdate)); | |
690 | ||
691 | /* | |
692 | * RFC-1903 date/time format is: | |
693 | * | |
694 | * Byte(s) Description | |
695 | * ------- ----------- | |
696 | * 0-1 Year (0 to 65535) | |
697 | * 2 Month (1 to 12) | |
698 | * 3 Day (1 to 31) | |
699 | * 4 Hours (0 to 23) | |
700 | * 5 Minutes (0 to 59) | |
701 | * 6 Seconds (0 to 60, 60 = "leap second") | |
702 | * 7 Deciseconds (0 to 9) | |
703 | * 8 +/- UTC | |
704 | * 9 UTC hours (0 to 11) | |
705 | * 10 UTC minutes (0 to 59) | |
706 | */ | |
707 | ||
708 | unixdate.tm_year = ((date[0] << 8) | date[1]) - 1900; | |
709 | unixdate.tm_mon = date[2] - 1; | |
710 | unixdate.tm_mday = date[3]; | |
711 | unixdate.tm_hour = date[4]; | |
712 | unixdate.tm_min = date[5]; | |
713 | unixdate.tm_sec = date[6]; | |
714 | ||
715 | t = mktime(&unixdate); | |
716 | ||
717 | if (date[8] == '-') | |
718 | t += date[9] * 3600 + date[10] * 60; | |
719 | else | |
720 | t -= date[9] * 3600 + date[10] * 60; | |
721 | ||
722 | return (t); | |
723 | } | |
724 | ||
725 | ||
726 | /* | |
727 | * 'ippDelete()' - Delete an IPP message. | |
728 | */ | |
729 | ||
730 | void | |
731 | ippDelete(ipp_t *ipp) /* I - IPP message */ | |
732 | { | |
733 | ipp_attribute_t *attr, /* Current attribute */ | |
734 | *next; /* Next attribute */ | |
735 | ||
736 | ||
737 | DEBUG_printf(("ippDelete(): %p\n", ipp)); | |
738 | ||
739 | if (ipp == NULL) | |
740 | return; | |
741 | ||
742 | for (attr = ipp->attrs; attr != NULL; attr = next) | |
743 | { | |
744 | next = attr->next; | |
745 | _ipp_free_attr(attr); | |
746 | } | |
747 | ||
748 | free(ipp); | |
749 | } | |
750 | ||
751 | ||
752 | /* | |
753 | * 'ippDeleteAttribute()' - Delete a single attribute in an IPP message. | |
754 | * | |
755 | * @since CUPS 1.1.19@ | |
756 | */ | |
757 | ||
758 | void | |
759 | ippDeleteAttribute( | |
760 | ipp_t *ipp, /* I - IPP message */ | |
761 | ipp_attribute_t *attr) /* I - Attribute to delete */ | |
762 | { | |
763 | ipp_attribute_t *current, /* Current attribute */ | |
764 | *prev; /* Previous attribute */ | |
765 | ||
766 | ||
767 | /* | |
768 | * Find the attribute in the list... | |
769 | */ | |
770 | ||
771 | for (current = ipp->attrs, prev = NULL; | |
772 | current != NULL && current != attr; | |
773 | prev = current, current = current->next); | |
774 | ||
775 | if (current) | |
776 | { | |
777 | /* | |
778 | * Found it, remove the attribute from the list... | |
779 | */ | |
780 | ||
781 | if (prev) | |
782 | prev->next = current->next; | |
783 | else | |
784 | ipp->attrs = current->next; | |
785 | ||
786 | if (current == ipp->last) | |
787 | ipp->last = prev; | |
788 | ||
789 | /* | |
790 | * Free memory used by the attribute... | |
791 | */ | |
792 | ||
793 | _ipp_free_attr(current); | |
794 | } | |
795 | } | |
796 | ||
797 | ||
798 | /* | |
799 | * 'ippFindAttribute()' - Find a named attribute in a request... | |
800 | */ | |
801 | ||
802 | ipp_attribute_t * /* O - Matching attribute */ | |
803 | ippFindAttribute(ipp_t *ipp, /* I - IPP message */ | |
804 | const char *name, /* I - Name of attribute */ | |
805 | ipp_tag_t type) /* I - Type of attribute */ | |
806 | { | |
807 | DEBUG_printf(("ippFindAttribute(%p, \'%s\')\n", ipp, name)); | |
808 | ||
809 | if (ipp == NULL || name == NULL) | |
810 | return (NULL); | |
811 | ||
812 | /* | |
813 | * Reset the current pointer... | |
814 | */ | |
815 | ||
816 | ipp->current = NULL; | |
817 | ||
818 | /* | |
819 | * Search for the attribute... | |
820 | */ | |
821 | ||
822 | return (ippFindNextAttribute(ipp, name, type)); | |
823 | } | |
824 | ||
825 | ||
826 | /* | |
827 | * 'ippFindNextAttribute()' - Find the next named attribute in a request... | |
828 | */ | |
829 | ||
830 | ipp_attribute_t * /* O - Matching attribute */ | |
831 | ippFindNextAttribute(ipp_t *ipp, /* I - IPP message */ | |
832 | const char *name, /* I - Name of attribute */ | |
833 | ipp_tag_t type) /* I - Type of attribute */ | |
834 | { | |
835 | ipp_attribute_t *attr; /* Current atttribute */ | |
836 | ipp_tag_t value_tag; /* Value tag */ | |
837 | ||
838 | ||
839 | DEBUG_printf(("ippFindNextAttribute(%p, \'%s\')\n", ipp, name)); | |
840 | ||
841 | if (ipp == NULL || name == NULL) | |
842 | return (NULL); | |
843 | ||
844 | if (ipp->current) | |
845 | { | |
846 | ipp->prev = ipp->current; | |
847 | attr = ipp->current->next; | |
848 | } | |
849 | else | |
850 | { | |
851 | ipp->prev = NULL; | |
852 | attr = ipp->attrs; | |
853 | } | |
854 | ||
855 | for (; attr != NULL; ipp->prev = attr, attr = attr->next) | |
856 | { | |
857 | DEBUG_printf(("ippFindAttribute: attr = %p, name = \'%s\'\n", attr, | |
858 | attr->name)); | |
859 | ||
860 | value_tag = (ipp_tag_t)(attr->value_tag & IPP_TAG_MASK); | |
861 | ||
862 | if (attr->name != NULL && strcasecmp(attr->name, name) == 0 && | |
863 | (value_tag == type || type == IPP_TAG_ZERO || | |
864 | (value_tag == IPP_TAG_TEXTLANG && type == IPP_TAG_TEXT) || | |
865 | (value_tag == IPP_TAG_NAMELANG && type == IPP_TAG_NAME))) | |
866 | { | |
867 | ipp->current = attr; | |
868 | ||
869 | return (attr); | |
870 | } | |
871 | } | |
872 | ||
873 | ipp->current = NULL; | |
874 | ipp->prev = NULL; | |
875 | ||
876 | return (NULL); | |
877 | } | |
878 | ||
879 | ||
880 | /* | |
881 | * 'ippLength()' - Compute the length of an IPP message. | |
882 | */ | |
883 | ||
884 | size_t /* O - Size of IPP message */ | |
885 | ippLength(ipp_t *ipp) /* I - IPP message */ | |
886 | { | |
887 | return (ipp_length(ipp, 0)); | |
888 | } | |
889 | ||
890 | ||
891 | /* | |
892 | * 'ippNew()' - Allocate a new IPP message. | |
893 | */ | |
894 | ||
895 | ipp_t * /* O - New IPP message */ | |
896 | ippNew(void) | |
897 | { | |
898 | ipp_t *temp; /* New IPP message */ | |
899 | ||
900 | ||
901 | DEBUG_puts("ippNew()"); | |
902 | ||
903 | if ((temp = (ipp_t *)calloc(1, sizeof(ipp_t))) != NULL) | |
904 | { | |
905 | /* | |
906 | * Default to IPP 1.1... | |
907 | */ | |
908 | ||
909 | temp->request.any.version[0] = 1; | |
910 | temp->request.any.version[1] = 1; | |
911 | } | |
912 | ||
913 | DEBUG_printf(("ippNew: %p\n", temp)); | |
914 | ||
915 | return (temp); | |
916 | } | |
917 | ||
918 | ||
919 | /* | |
920 | * 'ippNewRequest()' - Allocate a new IPP request message. | |
921 | * | |
922 | * The new request message is initialized with the attributes-charset and | |
923 | * attributes-natural-language attributes added. The | |
924 | * attributes-natural-language value is derived from the current locale. | |
925 | * | |
926 | * @since CUPS 1.2@ | |
927 | */ | |
928 | ||
929 | ipp_t * /* O - IPP request message */ | |
930 | ippNewRequest(ipp_op_t op) /* I - Operation code */ | |
931 | { | |
932 | ipp_t *request; /* IPP request message */ | |
933 | cups_lang_t *language; /* Current language localization */ | |
934 | ||
935 | ||
936 | /* | |
937 | * Create a new IPP message... | |
938 | */ | |
939 | ||
940 | if ((request = ippNew()) == NULL) | |
941 | return (NULL); | |
942 | ||
943 | /* | |
944 | * Set the operation and request ID... | |
945 | */ | |
946 | ||
947 | request->request.op.operation_id = op; | |
948 | request->request.op.request_id = 1; | |
949 | ||
950 | /* | |
951 | * Use UTF-8 as the character set... | |
952 | */ | |
953 | ||
954 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, | |
955 | "attributes-charset", NULL, "utf-8"); | |
956 | ||
957 | /* | |
958 | * Get the language from the current locale... | |
959 | */ | |
960 | ||
961 | language = cupsLangDefault(); | |
962 | ||
963 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, | |
964 | "attributes-natural-language", NULL, language->language); | |
965 | ||
966 | /* | |
967 | * Return the new request... | |
968 | */ | |
969 | ||
970 | return (request); | |
971 | } | |
972 | ||
973 | ||
974 | /* | |
975 | * 'ippRead()' - Read data for an IPP message from a HTTP connection. | |
976 | */ | |
977 | ||
978 | ipp_state_t /* O - Current state */ | |
979 | ippRead(http_t *http, /* I - HTTP connection */ | |
980 | ipp_t *ipp) /* I - IPP data */ | |
981 | { | |
982 | DEBUG_printf(("ippRead(http=%p, ipp=%p), data_remaining=" CUPS_LLFMT "\n", | |
983 | http, ipp, CUPS_LLCAST (http ? http->data_remaining : -1))); | |
984 | ||
985 | if (http == NULL) | |
986 | return (IPP_ERROR); | |
987 | ||
988 | DEBUG_printf(("http->state = %d\n", http->state)); | |
989 | ||
990 | return (ippReadIO(http, (ipp_iocb_t)ipp_read_http, | |
991 | http->blocking || http->used != 0, NULL, ipp)); | |
992 | } | |
993 | ||
994 | ||
995 | /* | |
996 | * 'ippReadFile()' - Read data for an IPP message from a file. | |
997 | * | |
998 | * @since CUPS 1.1.19@ | |
999 | */ | |
1000 | ||
1001 | ipp_state_t /* O - Current state */ | |
1002 | ippReadFile(int fd, /* I - HTTP data */ | |
1003 | ipp_t *ipp) /* I - IPP data */ | |
1004 | { | |
1005 | DEBUG_printf(("ippReadFile(%d, %p)\n", fd, ipp)); | |
1006 | ||
1007 | return (ippReadIO(&fd, (ipp_iocb_t)ipp_read_file, 1, NULL, ipp)); | |
1008 | } | |
1009 | ||
1010 | ||
1011 | /* | |
1012 | * 'ippReadIO()' - Read data for an IPP message. | |
1013 | * | |
1014 | * @since CUPS 1.1.19@ | |
1015 | */ | |
1016 | ||
1017 | ipp_state_t /* O - Current state */ | |
1018 | ippReadIO(void *src, /* I - Data source */ | |
1019 | ipp_iocb_t cb, /* I - Read callback function */ | |
1020 | int blocking, /* I - Use blocking IO? */ | |
1021 | ipp_t *parent, /* I - Parent request, if any */ | |
1022 | ipp_t *ipp) /* I - IPP data */ | |
1023 | { | |
1024 | int n; /* Length of data */ | |
1025 | unsigned char buffer[32768], /* Data buffer */ | |
1026 | *bufptr; /* Pointer into buffer */ | |
1027 | ipp_attribute_t *attr; /* Current attribute */ | |
1028 | ipp_tag_t tag; /* Current tag */ | |
fa73b229 | 1029 | ipp_tag_t value_tag; /* Current value tag */ |
ef416fc2 | 1030 | ipp_value_t *value; /* Current value */ |
1031 | ||
1032 | ||
1033 | DEBUG_printf(("ippReadIO(%p, %p, %d, %p, %p)\n", src, cb, blocking, | |
1034 | parent, ipp)); | |
1035 | ||
1036 | if (src == NULL || ipp == NULL) | |
1037 | return (IPP_ERROR); | |
1038 | ||
1039 | switch (ipp->state) | |
1040 | { | |
1041 | case IPP_IDLE : | |
1042 | ipp->state ++; /* Avoid common problem... */ | |
1043 | ||
1044 | case IPP_HEADER : | |
1045 | if (parent == NULL) | |
1046 | { | |
1047 | /* | |
1048 | * Get the request header... | |
1049 | */ | |
1050 | ||
1051 | if ((n = (*cb)(src, buffer, 8)) < 8) | |
1052 | { | |
1053 | DEBUG_printf(("ippReadIO: Unable to read header (%d bytes read)!\n", n)); | |
1054 | return (n == 0 ? IPP_IDLE : IPP_ERROR); | |
1055 | } | |
1056 | ||
1057 | /* | |
1058 | * Verify the major version number... | |
1059 | */ | |
1060 | ||
1061 | if (buffer[0] != 1) | |
1062 | { | |
1063 | DEBUG_printf(("ippReadIO: version number (%d.%d) is bad.\n", buffer[0], | |
1064 | buffer[1])); | |
1065 | return (IPP_ERROR); | |
1066 | } | |
1067 | ||
1068 | /* | |
1069 | * Then copy the request header over... | |
1070 | */ | |
1071 | ||
1072 | ipp->request.any.version[0] = buffer[0]; | |
1073 | ipp->request.any.version[1] = buffer[1]; | |
1074 | ipp->request.any.op_status = (buffer[2] << 8) | buffer[3]; | |
1075 | ipp->request.any.request_id = (((((buffer[4] << 8) | buffer[5]) << 8) | | |
1076 | buffer[6]) << 8) | buffer[7]; | |
1077 | ||
1078 | DEBUG_printf(("ippReadIO: version=%d.%d\n", buffer[0], buffer[1])); | |
1079 | DEBUG_printf(("ippReadIO: op_status=%04x\n", | |
1080 | ipp->request.any.op_status)); | |
1081 | DEBUG_printf(("ippReadIO: request_id=%d\n", | |
1082 | ipp->request.any.request_id)); | |
1083 | } | |
1084 | ||
1085 | ipp->state = IPP_ATTRIBUTE; | |
1086 | ipp->current = NULL; | |
1087 | ipp->curtag = IPP_TAG_ZERO; | |
1088 | ipp->prev = ipp->last; | |
1089 | ||
1090 | /* | |
1091 | * If blocking is disabled, stop here... | |
1092 | */ | |
1093 | ||
1094 | if (!blocking) | |
1095 | break; | |
1096 | ||
1097 | case IPP_ATTRIBUTE : | |
1098 | while ((*cb)(src, buffer, 1) > 0) | |
1099 | { | |
1100 | DEBUG_printf(("ippReadIO: ipp->current=%p, ipp->prev=%p\n", | |
1101 | ipp->current, ipp->prev)); | |
1102 | ||
1103 | /* | |
1104 | * Read this attribute... | |
1105 | */ | |
1106 | ||
1107 | tag = (ipp_tag_t)buffer[0]; | |
1108 | ||
1109 | if (tag == IPP_TAG_END) | |
1110 | { | |
1111 | /* | |
1112 | * No more attributes left... | |
1113 | */ | |
1114 | ||
1115 | DEBUG_puts("ippReadIO: IPP_TAG_END!"); | |
1116 | ||
1117 | ipp->state = IPP_DATA; | |
1118 | break; | |
1119 | } | |
1120 | else if (tag < IPP_TAG_UNSUPPORTED_VALUE) | |
1121 | { | |
1122 | /* | |
1123 | * Group tag... Set the current group and continue... | |
1124 | */ | |
1125 | ||
1126 | if (ipp->curtag == tag) | |
1127 | ipp->prev = ippAddSeparator(ipp); | |
1128 | else if (ipp->current) | |
1129 | ipp->prev = ipp->current; | |
1130 | ||
1131 | ipp->curtag = tag; | |
1132 | ipp->current = NULL; | |
1133 | DEBUG_printf(("ippReadIO: group tag = %x, ipp->prev=%p\n", tag, | |
1134 | ipp->prev)); | |
1135 | continue; | |
1136 | } | |
1137 | ||
1138 | DEBUG_printf(("ippReadIO: value tag = %x\n", tag)); | |
1139 | ||
1140 | /* | |
1141 | * Get the name... | |
1142 | */ | |
1143 | ||
1144 | if ((*cb)(src, buffer, 2) < 2) | |
1145 | { | |
1146 | DEBUG_puts("ippReadIO: unable to read name length!"); | |
1147 | return (IPP_ERROR); | |
1148 | } | |
1149 | ||
1150 | n = (buffer[0] << 8) | buffer[1]; | |
1151 | ||
1152 | if (n > (sizeof(buffer) - 1)) | |
1153 | { | |
1154 | DEBUG_printf(("ippReadIO: bad name length %d!\n", n)); | |
1155 | return (IPP_ERROR); | |
1156 | } | |
1157 | ||
1158 | DEBUG_printf(("ippReadIO: name length = %d\n", n)); | |
1159 | ||
1160 | if (n == 0 && tag != IPP_TAG_MEMBERNAME && | |
1161 | tag != IPP_TAG_END_COLLECTION) | |
1162 | { | |
1163 | /* | |
1164 | * More values for current attribute... | |
1165 | */ | |
1166 | ||
1167 | if (ipp->current == NULL) | |
1168 | return (IPP_ERROR); | |
1169 | ||
fa73b229 | 1170 | attr = ipp->current; |
1171 | value_tag = (ipp_tag_t)(attr->value_tag & IPP_TAG_MASK); | |
ef416fc2 | 1172 | |
1173 | /* | |
1174 | * Make sure we aren't adding a new value of a different | |
1175 | * type... | |
1176 | */ | |
1177 | ||
fa73b229 | 1178 | if (value_tag == IPP_TAG_ZERO) |
ef416fc2 | 1179 | { |
1180 | /* | |
1181 | * Setting the value of a collection member... | |
1182 | */ | |
1183 | ||
1184 | attr->value_tag = tag; | |
1185 | } | |
fa73b229 | 1186 | else if (value_tag == IPP_TAG_STRING || |
1187 | (value_tag >= IPP_TAG_TEXTLANG && | |
1188 | value_tag <= IPP_TAG_MIMETYPE)) | |
ef416fc2 | 1189 | { |
1190 | /* | |
1191 | * String values can sometimes come across in different | |
1192 | * forms; accept sets of differing values... | |
1193 | */ | |
1194 | ||
1195 | if (tag != IPP_TAG_STRING && | |
1196 | (tag < IPP_TAG_TEXTLANG || tag > IPP_TAG_MIMETYPE)) | |
1197 | return (IPP_ERROR); | |
1198 | } | |
fa73b229 | 1199 | else if (value_tag != tag) |
ef416fc2 | 1200 | return (IPP_ERROR); |
1201 | ||
1202 | /* | |
1203 | * Finally, reallocate the attribute array as needed... | |
1204 | */ | |
1205 | ||
1206 | if (attr->num_values == 1 || | |
1207 | (attr->num_values > 0 && | |
1208 | (attr->num_values & (IPP_MAX_VALUES - 1)) == 0)) | |
1209 | { | |
1210 | ipp_attribute_t *temp; /* Pointer to new buffer */ | |
1211 | ||
1212 | ||
1213 | DEBUG_printf(("ippReadIO: reallocating for up to %d values...\n", | |
1214 | attr->num_values + IPP_MAX_VALUES)); | |
1215 | ||
1216 | /* | |
1217 | * Reallocate memory... | |
1218 | */ | |
1219 | ||
1220 | if ((temp = realloc(attr, sizeof(ipp_attribute_t) + | |
1221 | (attr->num_values + IPP_MAX_VALUES - 1) * | |
1222 | sizeof(ipp_value_t))) == NULL) | |
1223 | return (IPP_ERROR); | |
1224 | ||
1225 | if (temp != attr) | |
1226 | { | |
1227 | /* | |
1228 | * Reset pointers in the list... | |
1229 | */ | |
1230 | ||
1231 | if (ipp->prev) | |
1232 | ipp->prev->next = temp; | |
1233 | else | |
1234 | ipp->attrs = temp; | |
1235 | ||
1236 | attr = ipp->current = ipp->last = temp; | |
1237 | } | |
1238 | } | |
1239 | } | |
1240 | else if (tag == IPP_TAG_MEMBERNAME) | |
1241 | { | |
1242 | /* | |
1243 | * Name must be length 0! | |
1244 | */ | |
1245 | ||
1246 | if (n) | |
1247 | { | |
1248 | DEBUG_puts("ippReadIO: member name not empty!"); | |
1249 | return (IPP_ERROR); | |
1250 | } | |
1251 | ||
1252 | if (ipp->current) | |
1253 | ipp->prev = ipp->current; | |
1254 | ||
1255 | attr = ipp->current = _ipp_add_attr(ipp, 1); | |
1256 | ||
1257 | DEBUG_printf(("ippReadIO: membername, ipp->current=%p, ipp->prev=%p\n", | |
1258 | ipp->current, ipp->prev)); | |
1259 | ||
1260 | attr->group_tag = ipp->curtag; | |
1261 | attr->value_tag = IPP_TAG_ZERO; | |
1262 | attr->num_values = 0; | |
1263 | } | |
1264 | else if (tag != IPP_TAG_END_COLLECTION) | |
1265 | { | |
1266 | /* | |
1267 | * New attribute; read the name and add it... | |
1268 | */ | |
1269 | ||
1270 | if ((*cb)(src, buffer, n) < n) | |
1271 | { | |
1272 | DEBUG_puts("ippReadIO: unable to read name!"); | |
1273 | return (IPP_ERROR); | |
1274 | } | |
1275 | ||
1276 | buffer[n] = '\0'; | |
1277 | ||
1278 | if (ipp->current) | |
1279 | ipp->prev = ipp->current; | |
1280 | ||
1281 | attr = ipp->current = _ipp_add_attr(ipp, 1); | |
1282 | ||
1283 | DEBUG_printf(("ippReadIO: name=\'%s\', ipp->current=%p, ipp->prev=%p\n", | |
1284 | buffer, ipp->current, ipp->prev)); | |
1285 | ||
1286 | attr->group_tag = ipp->curtag; | |
1287 | attr->value_tag = tag; | |
1288 | attr->name = strdup((char *)buffer); | |
1289 | attr->num_values = 0; | |
1290 | } | |
1291 | else | |
1292 | attr = NULL; | |
1293 | ||
1294 | if (tag != IPP_TAG_END_COLLECTION) | |
1295 | value = attr->values + attr->num_values; | |
1296 | else | |
1297 | value = NULL; | |
1298 | ||
1299 | if ((*cb)(src, buffer, 2) < 2) | |
1300 | { | |
1301 | DEBUG_puts("ippReadIO: unable to read value length!"); | |
1302 | return (IPP_ERROR); | |
1303 | } | |
1304 | ||
1305 | n = (buffer[0] << 8) | buffer[1]; | |
1306 | DEBUG_printf(("ippReadIO: value length = %d\n", n)); | |
1307 | ||
1308 | switch (tag) | |
1309 | { | |
1310 | case IPP_TAG_INTEGER : | |
1311 | case IPP_TAG_ENUM : | |
1312 | if ((*cb)(src, buffer, 4) < 4) | |
1313 | { | |
1314 | DEBUG_puts("ippReadIO: Unable to read integer value!"); | |
1315 | return (IPP_ERROR); | |
1316 | } | |
1317 | ||
1318 | n = (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | | |
1319 | buffer[3]; | |
1320 | ||
1321 | value->integer = n; | |
1322 | break; | |
1323 | case IPP_TAG_BOOLEAN : | |
1324 | if ((*cb)(src, buffer, 1) < 1) | |
1325 | { | |
1326 | DEBUG_puts("ippReadIO: Unable to read boolean value!"); | |
1327 | return (IPP_ERROR); | |
1328 | } | |
1329 | ||
1330 | value->boolean = buffer[0]; | |
1331 | break; | |
1332 | case IPP_TAG_TEXT : | |
1333 | case IPP_TAG_NAME : | |
1334 | case IPP_TAG_KEYWORD : | |
1335 | case IPP_TAG_STRING : | |
1336 | case IPP_TAG_URI : | |
1337 | case IPP_TAG_URISCHEME : | |
1338 | case IPP_TAG_CHARSET : | |
1339 | case IPP_TAG_LANGUAGE : | |
1340 | case IPP_TAG_MIMETYPE : | |
1341 | value->string.text = calloc(n + 1, 1); | |
1342 | ||
1343 | if ((*cb)(src, (ipp_uchar_t *)value->string.text, n) < n) | |
1344 | { | |
1345 | DEBUG_puts("ippReadIO: Unable to read string value!"); | |
1346 | return (IPP_ERROR); | |
1347 | } | |
1348 | ||
1349 | DEBUG_printf(("ippReadIO: value = \'%s\'\n", | |
1350 | value->string.text)); | |
1351 | break; | |
1352 | case IPP_TAG_DATE : | |
1353 | if ((*cb)(src, value->date, 11) < 11) | |
1354 | { | |
1355 | DEBUG_puts("ippReadIO: Unable to date integer value!"); | |
1356 | return (IPP_ERROR); | |
1357 | } | |
1358 | break; | |
1359 | case IPP_TAG_RESOLUTION : | |
1360 | if ((*cb)(src, buffer, 9) < 9) | |
1361 | { | |
1362 | DEBUG_puts("ippReadIO: Unable to read resolution value!"); | |
1363 | return (IPP_ERROR); | |
1364 | } | |
1365 | ||
1366 | value->resolution.xres = | |
1367 | (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | | |
1368 | buffer[3]; | |
1369 | value->resolution.yres = | |
1370 | (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) | | |
1371 | buffer[7]; | |
1372 | value->resolution.units = | |
1373 | (ipp_res_t)buffer[8]; | |
1374 | break; | |
1375 | case IPP_TAG_RANGE : | |
1376 | if ((*cb)(src, buffer, 8) < 8) | |
1377 | { | |
1378 | DEBUG_puts("ippReadIO: Unable to read range value!"); | |
1379 | return (IPP_ERROR); | |
1380 | } | |
1381 | ||
1382 | value->range.lower = | |
1383 | (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | | |
1384 | buffer[3]; | |
1385 | value->range.upper = | |
1386 | (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) | | |
1387 | buffer[7]; | |
1388 | break; | |
1389 | case IPP_TAG_TEXTLANG : | |
1390 | case IPP_TAG_NAMELANG : | |
1391 | if (n > sizeof(buffer) || n < 4) | |
1392 | { | |
1393 | DEBUG_printf(("ippReadIO: bad value length %d!\n", n)); | |
1394 | return (IPP_ERROR); | |
1395 | } | |
1396 | ||
1397 | if ((*cb)(src, buffer, n) < n) | |
1398 | { | |
1399 | DEBUG_puts("ippReadIO: Unable to read string w/language value!"); | |
1400 | return (IPP_ERROR); | |
1401 | } | |
1402 | ||
1403 | bufptr = buffer; | |
1404 | ||
1405 | /* | |
1406 | * text-with-language and name-with-language are composite | |
1407 | * values: | |
1408 | * | |
1409 | * charset-length | |
1410 | * charset | |
1411 | * text-length | |
1412 | * text | |
1413 | */ | |
1414 | ||
1415 | n = (bufptr[0] << 8) | bufptr[1]; | |
1416 | ||
1417 | value->string.charset = calloc(n + 1, 1); | |
1418 | ||
1419 | memcpy(value->string.charset, | |
1420 | bufptr + 2, n); | |
1421 | ||
1422 | bufptr += 2 + n; | |
1423 | n = (bufptr[0] << 8) | bufptr[1]; | |
1424 | ||
1425 | value->string.text = calloc(n + 1, 1); | |
1426 | ||
1427 | memcpy(value->string.text, | |
1428 | bufptr + 2, n); | |
1429 | break; | |
1430 | ||
1431 | case IPP_TAG_BEGIN_COLLECTION : | |
1432 | /* | |
1433 | * Oh, boy, here comes a collection value, so read it... | |
1434 | */ | |
1435 | ||
1436 | value->collection = ippNew(); | |
1437 | ||
1438 | if (n > 0) | |
1439 | { | |
1440 | DEBUG_puts("ippReadIO: begCollection tag with value length > 0!"); | |
1441 | return (IPP_ERROR); | |
1442 | } | |
1443 | ||
1444 | if (ippReadIO(src, cb, 1, ipp, value->collection) == IPP_ERROR) | |
1445 | { | |
1446 | DEBUG_puts("ippReadIO: Unable to read collection value!"); | |
1447 | return (IPP_ERROR); | |
1448 | } | |
1449 | break; | |
1450 | ||
1451 | case IPP_TAG_END_COLLECTION : | |
1452 | if (n > 0) | |
1453 | { | |
1454 | DEBUG_puts("ippReadIO: endCollection tag with value length > 0!"); | |
1455 | return (IPP_ERROR); | |
1456 | } | |
1457 | ||
1458 | DEBUG_puts("ippReadIO: endCollection tag..."); | |
1459 | ||
1460 | return (ipp->state = IPP_DATA); | |
1461 | ||
1462 | case IPP_TAG_MEMBERNAME : | |
1463 | /* | |
1464 | * The value is the name of the member in the collection, | |
1465 | * which we need to carry over... | |
1466 | */ | |
1467 | ||
1468 | attr->name = calloc(n + 1, 1); | |
1469 | ||
1470 | if ((*cb)(src, (ipp_uchar_t *)attr->name, n) < n) | |
1471 | { | |
1472 | DEBUG_puts("ippReadIO: Unable to read member name value!"); | |
1473 | return (IPP_ERROR); | |
1474 | } | |
1475 | ||
1476 | /* | |
1477 | * Since collection members are encoded differently than | |
1478 | * regular attributes, make sure we don't start with an | |
1479 | * empty value... | |
1480 | */ | |
1481 | ||
1482 | attr->num_values --; | |
1483 | ||
1484 | DEBUG_printf(("ippReadIO: member name = \"%s\"\n", attr->name)); | |
1485 | break; | |
1486 | ||
1487 | default : /* Other unsupported values */ | |
1488 | value->unknown.length = n; | |
1489 | if (n > 0) | |
1490 | { | |
1491 | value->unknown.data = malloc(n); | |
1492 | if ((*cb)(src, value->unknown.data, n) < n) | |
1493 | { | |
1494 | DEBUG_puts("ippReadIO: Unable to read unsupported value!"); | |
1495 | return (IPP_ERROR); | |
1496 | } | |
1497 | } | |
1498 | else | |
1499 | value->unknown.data = NULL; | |
1500 | break; | |
1501 | } | |
1502 | ||
1503 | attr->num_values ++; | |
1504 | ||
1505 | /* | |
1506 | * If blocking is disabled, stop here... | |
1507 | */ | |
1508 | ||
1509 | if (!blocking) | |
1510 | break; | |
1511 | } | |
1512 | break; | |
1513 | ||
1514 | case IPP_DATA : | |
1515 | break; | |
1516 | ||
1517 | default : | |
1518 | break; /* anti-compiler-warning-code */ | |
1519 | } | |
1520 | ||
1521 | return (ipp->state); | |
1522 | } | |
1523 | ||
1524 | ||
1525 | /* | |
1526 | * 'ippTimeToDate()' - Convert from UNIX time to RFC 1903 format. | |
1527 | */ | |
1528 | ||
1529 | const ipp_uchar_t * /* O - RFC-1903 date/time data */ | |
1530 | ippTimeToDate(time_t t) /* I - UNIX time value */ | |
1531 | { | |
1532 | struct tm *unixdate; /* UNIX unixdate/time info */ | |
1533 | ipp_uchar_t *date = _cupsGlobals()->ipp_date; | |
1534 | /* RFC-1903 date/time data */ | |
1535 | ||
1536 | ||
1537 | /* | |
1538 | * RFC-1903 date/time format is: | |
1539 | * | |
1540 | * Byte(s) Description | |
1541 | * ------- ----------- | |
1542 | * 0-1 Year (0 to 65535) | |
1543 | * 2 Month (1 to 12) | |
1544 | * 3 Day (1 to 31) | |
1545 | * 4 Hours (0 to 23) | |
1546 | * 5 Minutes (0 to 59) | |
1547 | * 6 Seconds (0 to 60, 60 = "leap second") | |
1548 | * 7 Deciseconds (0 to 9) | |
1549 | * 8 +/- UTC | |
1550 | * 9 UTC hours (0 to 11) | |
1551 | * 10 UTC minutes (0 to 59) | |
1552 | */ | |
1553 | ||
1554 | unixdate = gmtime(&t); | |
1555 | unixdate->tm_year += 1900; | |
1556 | ||
1557 | date[0] = unixdate->tm_year >> 8; | |
1558 | date[1] = unixdate->tm_year; | |
1559 | date[2] = unixdate->tm_mon + 1; | |
1560 | date[3] = unixdate->tm_mday; | |
1561 | date[4] = unixdate->tm_hour; | |
1562 | date[5] = unixdate->tm_min; | |
1563 | date[6] = unixdate->tm_sec; | |
1564 | date[7] = 0; | |
1565 | date[8] = '+'; | |
1566 | date[9] = 0; | |
1567 | date[10] = 0; | |
1568 | ||
1569 | return (date); | |
1570 | } | |
1571 | ||
1572 | ||
1573 | /* | |
1574 | * 'ippWrite()' - Write data for an IPP message to a HTTP connection. | |
1575 | */ | |
1576 | ||
1577 | ipp_state_t /* O - Current state */ | |
1578 | ippWrite(http_t *http, /* I - HTTP connection */ | |
1579 | ipp_t *ipp) /* I - IPP data */ | |
1580 | { | |
1581 | DEBUG_printf(("ippWrite(%p, %p)\n", http, ipp)); | |
1582 | ||
1583 | if (http == NULL) | |
1584 | return (IPP_ERROR); | |
1585 | ||
a4d04587 | 1586 | return (ippWriteIO(http, (ipp_iocb_t)httpWrite2, |
ef416fc2 | 1587 | http->blocking, NULL, ipp)); |
1588 | } | |
1589 | ||
1590 | ||
1591 | /* | |
1592 | * 'ippWriteFile()' - Write data for an IPP message to a file. | |
1593 | * | |
1594 | * @since CUPS 1.1.19@ | |
1595 | */ | |
1596 | ||
1597 | ipp_state_t /* O - Current state */ | |
1598 | ippWriteFile(int fd, /* I - HTTP data */ | |
1599 | ipp_t *ipp) /* I - IPP data */ | |
1600 | { | |
1601 | DEBUG_printf(("ippWriteFile(%d, %p)\n", fd, ipp)); | |
1602 | ||
1603 | ipp->state = IPP_IDLE; | |
1604 | ||
1605 | return (ippWriteIO(&fd, (ipp_iocb_t)ipp_write_file, 1, NULL, ipp)); | |
1606 | } | |
1607 | ||
1608 | ||
1609 | /* | |
1610 | * 'ippWriteIO()' - Write data for an IPP message. | |
1611 | * | |
1612 | * @since CUPS 1.1.19@ | |
1613 | */ | |
1614 | ||
1615 | ipp_state_t /* O - Current state */ | |
1616 | ippWriteIO(void *dst, /* I - Destination */ | |
1617 | ipp_iocb_t cb, /* I - Write callback function */ | |
1618 | int blocking, /* I - Use blocking IO? */ | |
1619 | ipp_t *parent, /* I - Parent IPP message */ | |
1620 | ipp_t *ipp) /* I - IPP data */ | |
1621 | { | |
1622 | int i; /* Looping var */ | |
1623 | int n; /* Length of data */ | |
1624 | unsigned char buffer[32768], /* Data buffer */ | |
1625 | *bufptr; /* Pointer into buffer */ | |
1626 | ipp_attribute_t *attr; /* Current attribute */ | |
1627 | ipp_value_t *value; /* Current value */ | |
1628 | ||
1629 | ||
1630 | DEBUG_printf(("ippWriteIO(%p, %p, %d, %p, %p)\n", dst, cb, blocking, | |
1631 | parent, ipp)); | |
1632 | ||
1633 | if (dst == NULL || ipp == NULL) | |
1634 | return (IPP_ERROR); | |
1635 | ||
1636 | switch (ipp->state) | |
1637 | { | |
1638 | case IPP_IDLE : | |
1639 | ipp->state ++; /* Avoid common problem... */ | |
1640 | ||
1641 | case IPP_HEADER : | |
1642 | if (parent == NULL) | |
1643 | { | |
1644 | /* | |
1645 | * Send the request header: | |
1646 | * | |
1647 | * Version = 2 bytes | |
1648 | * Operation/Status Code = 2 bytes | |
1649 | * Request ID = 4 bytes | |
1650 | * Total = 8 bytes | |
1651 | */ | |
1652 | ||
1653 | bufptr = buffer; | |
1654 | ||
1655 | *bufptr++ = ipp->request.any.version[0]; | |
1656 | *bufptr++ = ipp->request.any.version[1]; | |
1657 | *bufptr++ = ipp->request.any.op_status >> 8; | |
1658 | *bufptr++ = ipp->request.any.op_status; | |
1659 | *bufptr++ = ipp->request.any.request_id >> 24; | |
1660 | *bufptr++ = ipp->request.any.request_id >> 16; | |
1661 | *bufptr++ = ipp->request.any.request_id >> 8; | |
1662 | *bufptr++ = ipp->request.any.request_id; | |
1663 | ||
1664 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1665 | { | |
1666 | DEBUG_puts("ippWrite: Could not write IPP header..."); | |
1667 | return (IPP_ERROR); | |
1668 | } | |
1669 | } | |
1670 | ||
1671 | /* | |
1672 | * Reset the state engine to point to the first attribute | |
1673 | * in the request/response, with no current group. | |
1674 | */ | |
1675 | ||
1676 | ipp->state = IPP_ATTRIBUTE; | |
1677 | ipp->current = ipp->attrs; | |
1678 | ipp->curtag = IPP_TAG_ZERO; | |
1679 | ||
1680 | DEBUG_printf(("ippWrite: version=%d.%d\n", buffer[0], buffer[1])); | |
1681 | DEBUG_printf(("ippWrite: op_status=%04x\n", ipp->request.any.op_status)); | |
1682 | DEBUG_printf(("ippWrite: request_id=%d\n", ipp->request.any.request_id)); | |
1683 | ||
1684 | /* | |
1685 | * If blocking is disabled, stop here... | |
1686 | */ | |
1687 | ||
1688 | if (!blocking) | |
1689 | break; | |
1690 | ||
1691 | case IPP_ATTRIBUTE : | |
1692 | while (ipp->current != NULL) | |
1693 | { | |
1694 | /* | |
1695 | * Write this attribute... | |
1696 | */ | |
1697 | ||
1698 | bufptr = buffer; | |
1699 | attr = ipp->current; | |
1700 | ||
1701 | ipp->current = ipp->current->next; | |
1702 | ||
1703 | if (ipp->curtag != attr->group_tag && parent == NULL) | |
1704 | { | |
1705 | /* | |
1706 | * Send a group tag byte... | |
1707 | */ | |
1708 | ||
1709 | ipp->curtag = attr->group_tag; | |
1710 | ||
1711 | if (attr->group_tag == IPP_TAG_ZERO) | |
1712 | continue; | |
1713 | ||
1714 | DEBUG_printf(("ippWrite: wrote group tag = %x\n", attr->group_tag)); | |
1715 | *bufptr++ = attr->group_tag; | |
1716 | } | |
fa73b229 | 1717 | else if (attr->group_tag == IPP_TAG_ZERO) |
1718 | continue; | |
ef416fc2 | 1719 | |
1720 | /* | |
1721 | * Write the attribute tag and name. The current implementation | |
1722 | * does not support the extension value tags above 0x7f, so all | |
1723 | * value tags are 1 byte. | |
1724 | * | |
1725 | * The attribute name length does not include the trailing nul | |
1726 | * character in the source string. | |
1727 | * | |
1728 | * Collection values (parent != NULL) are written differently... | |
1729 | */ | |
1730 | ||
1731 | if (parent == NULL) | |
1732 | { | |
1733 | /* | |
1734 | * Get the length of the attribute name, and make sure it won't | |
1735 | * overflow the buffer... | |
1736 | */ | |
1737 | ||
1738 | if ((n = (int)strlen(attr->name)) > (sizeof(buffer) - 4)) | |
1739 | return (IPP_ERROR); | |
1740 | ||
1741 | /* | |
1742 | * Write the value tag, name length, and name string... | |
1743 | */ | |
1744 | ||
1745 | DEBUG_printf(("ippWrite: writing value tag = %x\n", attr->value_tag)); | |
1746 | DEBUG_printf(("ippWrite: writing name = %d, \'%s\'\n", n, attr->name)); | |
1747 | ||
1748 | *bufptr++ = attr->value_tag; | |
1749 | *bufptr++ = n >> 8; | |
1750 | *bufptr++ = n; | |
1751 | memcpy(bufptr, attr->name, n); | |
1752 | bufptr += n; | |
1753 | } | |
1754 | else | |
1755 | { | |
1756 | /* | |
1757 | * Get the length of the attribute name, and make sure it won't | |
1758 | * overflow the buffer... | |
1759 | */ | |
1760 | ||
1761 | if ((n = (int)strlen(attr->name)) > (sizeof(buffer) - 7)) | |
1762 | return (IPP_ERROR); | |
1763 | ||
1764 | /* | |
1765 | * Write the member name tag, name length, name string, value tag, | |
1766 | * and empty name for the collection member attribute... | |
1767 | */ | |
1768 | ||
1769 | DEBUG_printf(("ippWrite: writing value tag = %x\n", | |
1770 | IPP_TAG_MEMBERNAME)); | |
1771 | DEBUG_printf(("ippWrite: writing name = %d, \'%s\'\n", n, attr->name)); | |
1772 | DEBUG_printf(("ippWrite: writing value tag = %x\n", attr->value_tag)); | |
1773 | DEBUG_puts("ippWrite: writing name = 0, \'\'\n"); | |
1774 | ||
1775 | *bufptr++ = IPP_TAG_MEMBERNAME; | |
1776 | *bufptr++ = 0; | |
1777 | *bufptr++ = 0; | |
1778 | *bufptr++ = n >> 8; | |
1779 | *bufptr++ = n; | |
1780 | memcpy(bufptr, attr->name, n); | |
1781 | bufptr += n; | |
1782 | ||
1783 | *bufptr++ = attr->value_tag; | |
1784 | *bufptr++ = 0; | |
1785 | *bufptr++ = 0; | |
1786 | } | |
1787 | ||
1788 | /* | |
1789 | * Now write the attribute value(s)... | |
1790 | */ | |
1791 | ||
1792 | switch (attr->value_tag & ~IPP_TAG_COPY) | |
1793 | { | |
1794 | case IPP_TAG_INTEGER : | |
1795 | case IPP_TAG_ENUM : | |
1796 | for (i = 0, value = attr->values; | |
1797 | i < attr->num_values; | |
1798 | i ++, value ++) | |
1799 | { | |
1800 | if ((sizeof(buffer) - (bufptr - buffer)) < 9) | |
1801 | { | |
1802 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1803 | { | |
1804 | DEBUG_puts("ippWrite: Could not write IPP attribute..."); | |
1805 | return (IPP_ERROR); | |
1806 | } | |
1807 | ||
1808 | bufptr = buffer; | |
1809 | } | |
1810 | ||
1811 | if (i) | |
1812 | { | |
1813 | /* | |
1814 | * Arrays and sets are done by sending additional | |
1815 | * values with a zero-length name... | |
1816 | */ | |
1817 | ||
1818 | *bufptr++ = attr->value_tag; | |
1819 | *bufptr++ = 0; | |
1820 | *bufptr++ = 0; | |
1821 | } | |
1822 | ||
1823 | /* | |
1824 | * Integers and enumerations are both 4-byte signed | |
1825 | * (twos-complement) values. | |
1826 | * | |
1827 | * Put the 2-byte length and 4-byte value into the buffer... | |
1828 | */ | |
1829 | ||
1830 | *bufptr++ = 0; | |
1831 | *bufptr++ = 4; | |
1832 | *bufptr++ = value->integer >> 24; | |
1833 | *bufptr++ = value->integer >> 16; | |
1834 | *bufptr++ = value->integer >> 8; | |
1835 | *bufptr++ = value->integer; | |
1836 | } | |
1837 | break; | |
1838 | ||
1839 | case IPP_TAG_BOOLEAN : | |
1840 | for (i = 0, value = attr->values; | |
1841 | i < attr->num_values; | |
1842 | i ++, value ++) | |
1843 | { | |
1844 | if ((sizeof(buffer) - (bufptr - buffer)) < 6) | |
1845 | { | |
1846 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1847 | { | |
1848 | DEBUG_puts("ippWrite: Could not write IPP attribute..."); | |
1849 | return (IPP_ERROR); | |
1850 | } | |
1851 | ||
1852 | bufptr = buffer; | |
1853 | } | |
1854 | ||
1855 | if (i) | |
1856 | { | |
1857 | /* | |
1858 | * Arrays and sets are done by sending additional | |
1859 | * values with a zero-length name... | |
1860 | */ | |
1861 | ||
1862 | *bufptr++ = attr->value_tag; | |
1863 | *bufptr++ = 0; | |
1864 | *bufptr++ = 0; | |
1865 | } | |
1866 | ||
1867 | /* | |
1868 | * Boolean values are 1-byte; 0 = false, 1 = true. | |
1869 | * | |
1870 | * Put the 2-byte length and 1-byte value into the buffer... | |
1871 | */ | |
1872 | ||
1873 | *bufptr++ = 0; | |
1874 | *bufptr++ = 1; | |
1875 | *bufptr++ = value->boolean; | |
1876 | } | |
1877 | break; | |
1878 | ||
1879 | case IPP_TAG_TEXT : | |
1880 | case IPP_TAG_NAME : | |
1881 | case IPP_TAG_KEYWORD : | |
1882 | case IPP_TAG_STRING : | |
1883 | case IPP_TAG_URI : | |
1884 | case IPP_TAG_URISCHEME : | |
1885 | case IPP_TAG_CHARSET : | |
1886 | case IPP_TAG_LANGUAGE : | |
1887 | case IPP_TAG_MIMETYPE : | |
1888 | for (i = 0, value = attr->values; | |
1889 | i < attr->num_values; | |
1890 | i ++, value ++) | |
1891 | { | |
1892 | if (i) | |
1893 | { | |
1894 | /* | |
1895 | * Arrays and sets are done by sending additional | |
1896 | * values with a zero-length name... | |
1897 | */ | |
1898 | ||
1899 | DEBUG_printf(("ippWrite: writing value tag = %x\n", | |
1900 | attr->value_tag)); | |
1901 | DEBUG_printf(("ippWrite: writing name = 0, \'\'\n")); | |
1902 | ||
1903 | if ((sizeof(buffer) - (bufptr - buffer)) < 3) | |
1904 | { | |
1905 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1906 | { | |
1907 | DEBUG_puts("ippWrite: Could not write IPP attribute..."); | |
1908 | return (IPP_ERROR); | |
1909 | } | |
1910 | ||
1911 | bufptr = buffer; | |
1912 | } | |
1913 | ||
1914 | *bufptr++ = attr->value_tag; | |
1915 | *bufptr++ = 0; | |
1916 | *bufptr++ = 0; | |
1917 | } | |
1918 | ||
1919 | if (value->string.text != NULL) | |
1920 | n = (int)strlen(value->string.text); | |
1921 | else | |
1922 | n = 0; | |
1923 | ||
1924 | if (n > (sizeof(buffer) - 2)) | |
1925 | return (IPP_ERROR); | |
1926 | ||
1927 | DEBUG_printf(("ippWrite: writing string = %d, \'%s\'\n", n, | |
1928 | value->string.text)); | |
1929 | ||
1930 | if ((int)(sizeof(buffer) - (bufptr - buffer)) < (n + 2)) | |
1931 | { | |
1932 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1933 | { | |
1934 | DEBUG_puts("ippWrite: Could not write IPP attribute..."); | |
1935 | return (IPP_ERROR); | |
1936 | } | |
1937 | ||
1938 | bufptr = buffer; | |
1939 | } | |
1940 | ||
1941 | /* | |
1942 | * All simple strings consist of the 2-byte length and | |
1943 | * character data without the trailing nul normally found | |
1944 | * in C strings. Also, strings cannot be longer than 32767 | |
1945 | * bytes since the 2-byte length is a signed (twos-complement) | |
1946 | * value. | |
1947 | * | |
1948 | * Put the 2-byte length and string characters in the buffer. | |
1949 | */ | |
1950 | ||
1951 | *bufptr++ = n >> 8; | |
1952 | *bufptr++ = n; | |
1953 | ||
1954 | if (n > 0) | |
1955 | { | |
1956 | memcpy(bufptr, value->string.text, n); | |
1957 | bufptr += n; | |
1958 | } | |
1959 | } | |
1960 | break; | |
1961 | ||
1962 | case IPP_TAG_DATE : | |
1963 | for (i = 0, value = attr->values; | |
1964 | i < attr->num_values; | |
1965 | i ++, value ++) | |
1966 | { | |
1967 | if ((sizeof(buffer) - (bufptr - buffer)) < 16) | |
1968 | { | |
1969 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1970 | { | |
1971 | DEBUG_puts("ippWrite: Could not write IPP attribute..."); | |
1972 | return (IPP_ERROR); | |
1973 | } | |
1974 | ||
1975 | bufptr = buffer; | |
1976 | } | |
1977 | ||
1978 | if (i) | |
1979 | { | |
1980 | /* | |
1981 | * Arrays and sets are done by sending additional | |
1982 | * values with a zero-length name... | |
1983 | */ | |
1984 | ||
1985 | *bufptr++ = attr->value_tag; | |
1986 | *bufptr++ = 0; | |
1987 | *bufptr++ = 0; | |
1988 | } | |
1989 | ||
1990 | /* | |
1991 | * Date values consist of a 2-byte length and an | |
1992 | * 11-byte date/time structure defined by RFC 1903. | |
1993 | * | |
1994 | * Put the 2-byte length and 11-byte date/time | |
1995 | * structure in the buffer. | |
1996 | */ | |
1997 | ||
1998 | *bufptr++ = 0; | |
1999 | *bufptr++ = 11; | |
2000 | memcpy(bufptr, value->date, 11); | |
2001 | bufptr += 11; | |
2002 | } | |
2003 | break; | |
2004 | ||
2005 | case IPP_TAG_RESOLUTION : | |
2006 | for (i = 0, value = attr->values; | |
2007 | i < attr->num_values; | |
2008 | i ++, value ++) | |
2009 | { | |
2010 | if ((sizeof(buffer) - (bufptr - buffer)) < 14) | |
2011 | { | |
2012 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2013 | { | |
2014 | DEBUG_puts("ippWrite: Could not write IPP attribute..."); | |
2015 | return (IPP_ERROR); | |
2016 | } | |
2017 | ||
2018 | bufptr = buffer; | |
2019 | } | |
2020 | ||
2021 | if (i) | |
2022 | { | |
2023 | /* | |
2024 | * Arrays and sets are done by sending additional | |
2025 | * values with a zero-length name... | |
2026 | */ | |
2027 | ||
2028 | *bufptr++ = attr->value_tag; | |
2029 | *bufptr++ = 0; | |
2030 | *bufptr++ = 0; | |
2031 | } | |
2032 | ||
2033 | /* | |
2034 | * Resolution values consist of a 2-byte length, | |
2035 | * 4-byte horizontal resolution value, 4-byte vertical | |
2036 | * resolution value, and a 1-byte units value. | |
2037 | * | |
2038 | * Put the 2-byte length and resolution value data | |
2039 | * into the buffer. | |
2040 | */ | |
2041 | ||
2042 | *bufptr++ = 0; | |
2043 | *bufptr++ = 9; | |
2044 | *bufptr++ = value->resolution.xres >> 24; | |
2045 | *bufptr++ = value->resolution.xres >> 16; | |
2046 | *bufptr++ = value->resolution.xres >> 8; | |
2047 | *bufptr++ = value->resolution.xres; | |
2048 | *bufptr++ = value->resolution.yres >> 24; | |
2049 | *bufptr++ = value->resolution.yres >> 16; | |
2050 | *bufptr++ = value->resolution.yres >> 8; | |
2051 | *bufptr++ = value->resolution.yres; | |
2052 | *bufptr++ = value->resolution.units; | |
2053 | } | |
2054 | break; | |
2055 | ||
2056 | case IPP_TAG_RANGE : | |
2057 | for (i = 0, value = attr->values; | |
2058 | i < attr->num_values; | |
2059 | i ++, value ++) | |
2060 | { | |
2061 | if ((sizeof(buffer) - (bufptr - buffer)) < 13) | |
2062 | { | |
2063 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2064 | { | |
2065 | DEBUG_puts("ippWrite: Could not write IPP attribute..."); | |
2066 | return (IPP_ERROR); | |
2067 | } | |
2068 | ||
2069 | bufptr = buffer; | |
2070 | } | |
2071 | ||
2072 | if (i) | |
2073 | { | |
2074 | /* | |
2075 | * Arrays and sets are done by sending additional | |
2076 | * values with a zero-length name... | |
2077 | */ | |
2078 | ||
2079 | *bufptr++ = attr->value_tag; | |
2080 | *bufptr++ = 0; | |
2081 | *bufptr++ = 0; | |
2082 | } | |
2083 | ||
2084 | /* | |
2085 | * Range values consist of a 2-byte length, | |
2086 | * 4-byte lower value, and 4-byte upper value. | |
2087 | * | |
2088 | * Put the 2-byte length and range value data | |
2089 | * into the buffer. | |
2090 | */ | |
2091 | ||
2092 | *bufptr++ = 0; | |
2093 | *bufptr++ = 8; | |
2094 | *bufptr++ = value->range.lower >> 24; | |
2095 | *bufptr++ = value->range.lower >> 16; | |
2096 | *bufptr++ = value->range.lower >> 8; | |
2097 | *bufptr++ = value->range.lower; | |
2098 | *bufptr++ = value->range.upper >> 24; | |
2099 | *bufptr++ = value->range.upper >> 16; | |
2100 | *bufptr++ = value->range.upper >> 8; | |
2101 | *bufptr++ = value->range.upper; | |
2102 | } | |
2103 | break; | |
2104 | ||
2105 | case IPP_TAG_TEXTLANG : | |
2106 | case IPP_TAG_NAMELANG : | |
2107 | for (i = 0, value = attr->values; | |
2108 | i < attr->num_values; | |
2109 | i ++, value ++) | |
2110 | { | |
2111 | if (i) | |
2112 | { | |
2113 | /* | |
2114 | * Arrays and sets are done by sending additional | |
2115 | * values with a zero-length name... | |
2116 | */ | |
2117 | ||
2118 | if ((sizeof(buffer) - (bufptr - buffer)) < 3) | |
2119 | { | |
2120 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2121 | { | |
2122 | DEBUG_puts("ippWrite: Could not write IPP attribute..."); | |
2123 | return (IPP_ERROR); | |
2124 | } | |
2125 | ||
2126 | bufptr = buffer; | |
2127 | } | |
2128 | ||
2129 | *bufptr++ = attr->value_tag; | |
2130 | *bufptr++ = 0; | |
2131 | *bufptr++ = 0; | |
2132 | } | |
2133 | ||
2134 | /* | |
2135 | * textWithLanguage and nameWithLanguage values consist | |
2136 | * of a 2-byte length for both strings and their | |
2137 | * individual lengths, a 2-byte length for the | |
2138 | * character string, the character string without the | |
2139 | * trailing nul, a 2-byte length for the character | |
2140 | * set string, and the character set string without | |
2141 | * the trailing nul. | |
2142 | */ | |
2143 | ||
2144 | n = 4; | |
2145 | ||
2146 | if (value->string.charset != NULL) | |
2147 | n += strlen(value->string.charset); | |
2148 | ||
2149 | if (value->string.text != NULL) | |
2150 | n += strlen(value->string.text); | |
2151 | ||
2152 | if (n > (sizeof(buffer) - 2)) | |
2153 | return (IPP_ERROR); | |
2154 | ||
2155 | if ((int)(sizeof(buffer) - (bufptr - buffer)) < (n + 2)) | |
2156 | { | |
2157 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2158 | { | |
2159 | DEBUG_puts("ippWrite: Could not write IPP attribute..."); | |
2160 | return (IPP_ERROR); | |
2161 | } | |
2162 | ||
2163 | bufptr = buffer; | |
2164 | } | |
2165 | ||
2166 | /* Length of entire value */ | |
2167 | *bufptr++ = n >> 8; | |
2168 | *bufptr++ = n; | |
2169 | ||
2170 | /* Length of charset */ | |
2171 | if (value->string.charset != NULL) | |
2172 | n = (int)strlen(value->string.charset); | |
2173 | else | |
2174 | n = 0; | |
2175 | ||
2176 | *bufptr++ = n >> 8; | |
2177 | *bufptr++ = n; | |
2178 | ||
2179 | /* Charset */ | |
2180 | if (n > 0) | |
2181 | { | |
2182 | memcpy(bufptr, value->string.charset, n); | |
2183 | bufptr += n; | |
2184 | } | |
2185 | ||
2186 | /* Length of text */ | |
2187 | if (value->string.text != NULL) | |
2188 | n = (int)strlen(value->string.text); | |
2189 | else | |
2190 | n = 0; | |
2191 | ||
2192 | *bufptr++ = n >> 8; | |
2193 | *bufptr++ = n; | |
2194 | ||
2195 | /* Text */ | |
2196 | if (n > 0) | |
2197 | { | |
2198 | memcpy(bufptr, value->string.text, n); | |
2199 | bufptr += n; | |
2200 | } | |
2201 | } | |
2202 | break; | |
2203 | ||
2204 | case IPP_TAG_BEGIN_COLLECTION : | |
2205 | for (i = 0, value = attr->values; | |
2206 | i < attr->num_values; | |
2207 | i ++, value ++) | |
2208 | { | |
2209 | /* | |
2210 | * Collections are written with the begin-collection | |
2211 | * tag first with a value of 0 length, followed by the | |
2212 | * attributes in the collection, then the end-collection | |
2213 | * value... | |
2214 | */ | |
2215 | ||
2216 | if ((sizeof(buffer) - (bufptr - buffer)) < 5) | |
2217 | { | |
2218 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2219 | { | |
2220 | DEBUG_puts("ippWrite: Could not write IPP attribute..."); | |
2221 | return (IPP_ERROR); | |
2222 | } | |
2223 | ||
2224 | bufptr = buffer; | |
2225 | } | |
2226 | ||
2227 | if (i) | |
2228 | { | |
2229 | /* | |
2230 | * Arrays and sets are done by sending additional | |
2231 | * values with a zero-length name... | |
2232 | */ | |
2233 | ||
2234 | *bufptr++ = attr->value_tag; | |
2235 | *bufptr++ = 0; | |
2236 | *bufptr++ = 0; | |
2237 | } | |
2238 | ||
2239 | /* | |
2240 | * Write a data length of 0 and flush the buffer... | |
2241 | */ | |
2242 | ||
2243 | *bufptr++ = 0; | |
2244 | *bufptr++ = 0; | |
2245 | ||
2246 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2247 | { | |
2248 | DEBUG_puts("ippWrite: Could not write IPP attribute..."); | |
2249 | return (IPP_ERROR); | |
2250 | } | |
2251 | ||
2252 | bufptr = buffer; | |
2253 | ||
2254 | /* | |
2255 | * Then write the collection attribute... | |
2256 | */ | |
2257 | ||
2258 | value->collection->state = IPP_IDLE; | |
2259 | ||
2260 | if (ippWriteIO(dst, cb, 1, ipp, value->collection) == IPP_ERROR) | |
2261 | return (IPP_ERROR); | |
2262 | } | |
2263 | break; | |
2264 | ||
2265 | default : | |
2266 | for (i = 0, value = attr->values; | |
2267 | i < attr->num_values; | |
2268 | i ++, value ++) | |
2269 | { | |
2270 | if (i) | |
2271 | { | |
2272 | /* | |
2273 | * Arrays and sets are done by sending additional | |
2274 | * values with a zero-length name... | |
2275 | */ | |
2276 | ||
2277 | if ((sizeof(buffer) - (bufptr - buffer)) < 3) | |
2278 | { | |
2279 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2280 | { | |
2281 | DEBUG_puts("ippWrite: Could not write IPP attribute..."); | |
2282 | return (IPP_ERROR); | |
2283 | } | |
2284 | ||
2285 | bufptr = buffer; | |
2286 | } | |
2287 | ||
2288 | *bufptr++ = attr->value_tag; | |
2289 | *bufptr++ = 0; | |
2290 | *bufptr++ = 0; | |
2291 | } | |
2292 | ||
2293 | /* | |
2294 | * An unknown value might some new value that a | |
2295 | * vendor has come up with. It consists of a | |
2296 | * 2-byte length and the bytes in the unknown | |
2297 | * value buffer. | |
2298 | */ | |
2299 | ||
2300 | n = value->unknown.length; | |
2301 | ||
2302 | if (n > (sizeof(buffer) - 2)) | |
2303 | return (IPP_ERROR); | |
2304 | ||
2305 | if ((int)(sizeof(buffer) - (bufptr - buffer)) < (n + 2)) | |
2306 | { | |
2307 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2308 | { | |
2309 | DEBUG_puts("ippWrite: Could not write IPP attribute..."); | |
2310 | return (IPP_ERROR); | |
2311 | } | |
2312 | ||
2313 | bufptr = buffer; | |
2314 | } | |
2315 | ||
2316 | /* Length of unknown value */ | |
2317 | *bufptr++ = n >> 8; | |
2318 | *bufptr++ = n; | |
2319 | ||
2320 | /* Value */ | |
2321 | if (n > 0) | |
2322 | { | |
2323 | memcpy(bufptr, value->unknown.data, n); | |
2324 | bufptr += n; | |
2325 | } | |
2326 | } | |
2327 | break; | |
2328 | } | |
2329 | ||
2330 | /* | |
2331 | * Write the data out... | |
2332 | */ | |
2333 | ||
2334 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2335 | { | |
2336 | DEBUG_puts("ippWrite: Could not write IPP attribute..."); | |
2337 | return (IPP_ERROR); | |
2338 | } | |
2339 | ||
2340 | DEBUG_printf(("ippWrite: wrote %d bytes\n", bufptr - buffer)); | |
2341 | ||
2342 | /* | |
2343 | * If blocking is disabled, stop here... | |
2344 | */ | |
2345 | ||
2346 | if (!blocking) | |
2347 | break; | |
2348 | } | |
2349 | ||
2350 | if (ipp->current == NULL) | |
2351 | { | |
2352 | /* | |
2353 | * Done with all of the attributes; add the end-of-attributes | |
2354 | * tag or end-collection attribute... | |
2355 | */ | |
2356 | ||
2357 | if (parent == NULL) | |
2358 | { | |
2359 | buffer[0] = IPP_TAG_END; | |
2360 | n = 1; | |
2361 | } | |
2362 | else | |
2363 | { | |
2364 | buffer[0] = IPP_TAG_END_COLLECTION; | |
2365 | buffer[1] = 0; /* empty name */ | |
2366 | buffer[2] = 0; | |
2367 | buffer[3] = 0; /* empty value */ | |
2368 | buffer[4] = 0; | |
2369 | n = 5; | |
2370 | } | |
2371 | ||
2372 | if ((*cb)(dst, buffer, n) < 0) | |
2373 | { | |
2374 | DEBUG_puts("ippWrite: Could not write IPP end-tag..."); | |
2375 | return (IPP_ERROR); | |
2376 | } | |
2377 | ||
2378 | ipp->state = IPP_DATA; | |
2379 | } | |
2380 | break; | |
2381 | ||
2382 | case IPP_DATA : | |
2383 | break; | |
2384 | ||
2385 | default : | |
2386 | break; /* anti-compiler-warning-code */ | |
2387 | } | |
2388 | ||
2389 | return (ipp->state); | |
2390 | } | |
2391 | ||
2392 | ||
2393 | /* | |
2394 | * '_ipp_add_attr()' - Add a new attribute to the request. | |
2395 | */ | |
2396 | ||
2397 | ipp_attribute_t * /* O - New attribute */ | |
2398 | _ipp_add_attr(ipp_t *ipp, /* I - IPP message */ | |
2399 | int num_values) /* I - Number of values */ | |
2400 | { | |
2401 | ipp_attribute_t *attr; /* New attribute */ | |
2402 | ||
2403 | ||
2404 | DEBUG_printf(("_ipp_add_attr(%p, %d)\n", ipp, num_values)); | |
2405 | ||
2406 | if (ipp == NULL || num_values < 0) | |
2407 | return (NULL); | |
2408 | ||
2409 | attr = calloc(sizeof(ipp_attribute_t) + | |
2410 | (num_values - 1) * sizeof(ipp_value_t), 1); | |
2411 | ||
ef416fc2 | 2412 | if (attr != NULL) |
2413 | { | |
fa73b229 | 2414 | attr->num_values = num_values; |
2415 | ||
ef416fc2 | 2416 | if (ipp->last == NULL) |
2417 | ipp->attrs = attr; | |
2418 | else | |
2419 | ipp->last->next = attr; | |
2420 | ||
2421 | ipp->last = attr; | |
2422 | } | |
2423 | ||
2424 | DEBUG_printf(("_ipp_add_attr(): %p\n", attr)); | |
2425 | ||
2426 | return (attr); | |
2427 | } | |
2428 | ||
2429 | ||
2430 | /* | |
2431 | * '_ipp_free_attr()' - Free an attribute. | |
2432 | */ | |
2433 | ||
2434 | void | |
2435 | _ipp_free_attr(ipp_attribute_t *attr) /* I - Attribute to free */ | |
2436 | { | |
2437 | int i; /* Looping var */ | |
2438 | ipp_value_t *value; /* Current value */ | |
2439 | ||
2440 | ||
2441 | DEBUG_printf(("_ipp_free_attr(): %p\n", attr)); | |
2442 | ||
2443 | switch (attr->value_tag) | |
2444 | { | |
2445 | case IPP_TAG_TEXT : | |
2446 | case IPP_TAG_NAME : | |
2447 | case IPP_TAG_KEYWORD : | |
2448 | case IPP_TAG_STRING : | |
2449 | case IPP_TAG_URI : | |
2450 | case IPP_TAG_URISCHEME : | |
2451 | case IPP_TAG_CHARSET : | |
2452 | case IPP_TAG_LANGUAGE : | |
2453 | case IPP_TAG_MIMETYPE : | |
2454 | for (i = 0, value = attr->values; | |
2455 | i < attr->num_values; | |
2456 | i ++, value ++) | |
2457 | free(value->string.text); | |
2458 | break; | |
2459 | ||
2460 | case IPP_TAG_TEXTLANG : | |
2461 | case IPP_TAG_NAMELANG : | |
2462 | for (i = 0, value = attr->values; | |
2463 | i < attr->num_values; | |
2464 | i ++, value ++) | |
2465 | { | |
2466 | if (value->string.charset && i == 0) | |
2467 | free(value->string.charset); | |
2468 | free(value->string.text); | |
2469 | } | |
2470 | break; | |
2471 | ||
2472 | default : | |
2473 | break; /* anti-compiler-warning-code */ | |
2474 | } | |
2475 | ||
fa73b229 | 2476 | if (attr->name) |
ef416fc2 | 2477 | free(attr->name); |
2478 | ||
2479 | free(attr); | |
2480 | } | |
2481 | ||
2482 | ||
2483 | /* | |
2484 | * 'ipp_length()' - Compute the length of an IPP message or collection value. | |
2485 | */ | |
2486 | ||
2487 | static size_t /* O - Size of IPP message */ | |
2488 | ipp_length(ipp_t *ipp, /* I - IPP message or collection */ | |
2489 | int collection) /* I - 1 if a collection, 0 otherwise */ | |
2490 | { | |
2491 | int i; /* Looping var */ | |
2492 | int bytes; /* Number of bytes */ | |
2493 | ipp_attribute_t *attr; /* Current attribute */ | |
2494 | ipp_tag_t group; /* Current group */ | |
2495 | ipp_value_t *value; /* Current value */ | |
2496 | ||
2497 | ||
2498 | if (ipp == NULL) | |
2499 | return (0); | |
2500 | ||
2501 | /* | |
2502 | * Start with 8 bytes for the IPP message header... | |
2503 | */ | |
2504 | ||
2505 | bytes = collection ? 0 : 8; | |
2506 | ||
2507 | /* | |
2508 | * Then add the lengths of each attribute... | |
2509 | */ | |
2510 | ||
2511 | group = IPP_TAG_ZERO; | |
2512 | ||
2513 | for (attr = ipp->attrs; attr != NULL; attr = attr->next) | |
2514 | { | |
2515 | if (attr->group_tag != group && !collection) | |
2516 | { | |
2517 | group = attr->group_tag; | |
2518 | if (group == IPP_TAG_ZERO) | |
2519 | continue; | |
2520 | ||
2521 | bytes ++; /* Group tag */ | |
2522 | } | |
2523 | ||
2524 | if (!attr->name) | |
2525 | continue; | |
2526 | ||
2527 | DEBUG_printf(("attr->name = %s, attr->num_values = %d, bytes = %d\n", | |
2528 | attr->name, attr->num_values, bytes)); | |
2529 | ||
2530 | bytes += strlen(attr->name); /* Name */ | |
2531 | bytes += attr->num_values; /* Value tag for each value */ | |
2532 | bytes += 2 * attr->num_values; /* Name lengths */ | |
2533 | bytes += 2 * attr->num_values; /* Value lengths */ | |
2534 | ||
2535 | if (collection) | |
2536 | bytes += 5; /* Add membername overhead */ | |
2537 | ||
2538 | switch (attr->value_tag & ~IPP_TAG_COPY) | |
2539 | { | |
2540 | case IPP_TAG_INTEGER : | |
2541 | case IPP_TAG_ENUM : | |
2542 | bytes += 4 * attr->num_values; | |
2543 | break; | |
2544 | ||
2545 | case IPP_TAG_BOOLEAN : | |
2546 | bytes += attr->num_values; | |
2547 | break; | |
2548 | ||
2549 | case IPP_TAG_TEXT : | |
2550 | case IPP_TAG_NAME : | |
2551 | case IPP_TAG_KEYWORD : | |
2552 | case IPP_TAG_STRING : | |
2553 | case IPP_TAG_URI : | |
2554 | case IPP_TAG_URISCHEME : | |
2555 | case IPP_TAG_CHARSET : | |
2556 | case IPP_TAG_LANGUAGE : | |
2557 | case IPP_TAG_MIMETYPE : | |
2558 | for (i = 0, value = attr->values; | |
2559 | i < attr->num_values; | |
2560 | i ++, value ++) | |
2561 | if (value->string.text != NULL) | |
2562 | bytes += strlen(value->string.text); | |
2563 | break; | |
2564 | ||
2565 | case IPP_TAG_DATE : | |
2566 | bytes += 11 * attr->num_values; | |
2567 | break; | |
2568 | ||
2569 | case IPP_TAG_RESOLUTION : | |
2570 | bytes += 9 * attr->num_values; | |
2571 | break; | |
2572 | ||
2573 | case IPP_TAG_RANGE : | |
2574 | bytes += 8 * attr->num_values; | |
2575 | break; | |
2576 | ||
2577 | case IPP_TAG_TEXTLANG : | |
2578 | case IPP_TAG_NAMELANG : | |
2579 | bytes += 4 * attr->num_values;/* Charset + text length */ | |
2580 | ||
2581 | for (i = 0, value = attr->values; | |
2582 | i < attr->num_values; | |
2583 | i ++, value ++) | |
2584 | { | |
2585 | if (value->string.charset != NULL) | |
2586 | bytes += strlen(value->string.charset); | |
2587 | ||
2588 | if (value->string.text != NULL) | |
2589 | bytes += strlen(value->string.text); | |
2590 | } | |
2591 | break; | |
2592 | ||
2593 | case IPP_TAG_BEGIN_COLLECTION : | |
2594 | for (i = 0, value = attr->values; | |
2595 | i < attr->num_values; | |
2596 | i ++, value ++) | |
2597 | bytes += ipp_length(attr->values[i].collection, 1); | |
2598 | break; | |
2599 | ||
2600 | default : | |
2601 | for (i = 0, value = attr->values; | |
2602 | i < attr->num_values; | |
2603 | i ++, value ++) | |
2604 | bytes += attr->values[0].unknown.length; | |
2605 | break; | |
2606 | } | |
2607 | } | |
2608 | ||
2609 | /* | |
2610 | * Finally, add 1 byte for the "end of attributes" tag or 5 bytes | |
2611 | * for the "end of collection" tag and return... | |
2612 | */ | |
2613 | ||
2614 | if (collection) | |
2615 | bytes += 5; | |
2616 | else | |
2617 | bytes ++; | |
2618 | ||
2619 | DEBUG_printf(("bytes = %d\n", bytes)); | |
2620 | ||
2621 | return (bytes); | |
2622 | } | |
2623 | ||
2624 | ||
2625 | /* | |
2626 | * 'ipp_read_http()' - Semi-blocking read on a HTTP connection... | |
2627 | */ | |
2628 | ||
a4d04587 | 2629 | static ssize_t /* O - Number of bytes read */ |
ef416fc2 | 2630 | ipp_read_http(http_t *http, /* I - Client connection */ |
2631 | ipp_uchar_t *buffer, /* O - Buffer for data */ | |
a4d04587 | 2632 | size_t length) /* I - Total length */ |
ef416fc2 | 2633 | { |
2634 | int tbytes, /* Total bytes read */ | |
2635 | bytes; /* Bytes read this pass */ | |
2636 | char len[32]; /* Length string */ | |
2637 | ||
2638 | ||
2639 | DEBUG_printf(("ipp_read_http(http=%p, buffer=%p, length=%d)\n", | |
2640 | http, buffer, length)); | |
2641 | ||
2642 | /* | |
2643 | * Loop until all bytes are read... | |
2644 | */ | |
2645 | ||
2646 | for (tbytes = 0, bytes = 0; tbytes < length; tbytes += bytes, buffer += bytes) | |
2647 | { | |
2648 | DEBUG_printf(("tbytes = %d, http->state = %d\n", tbytes, http->state)); | |
2649 | ||
2650 | if (http->state == HTTP_WAITING) | |
2651 | break; | |
2652 | ||
2653 | if (http->used > 0 && http->data_encoding == HTTP_ENCODE_LENGTH) | |
2654 | { | |
2655 | /* | |
2656 | * Do "fast read" from HTTP buffer directly... | |
2657 | */ | |
2658 | ||
2659 | if (http->used > (length - tbytes)) | |
2660 | bytes = length - tbytes; | |
2661 | else | |
2662 | bytes = http->used; | |
2663 | ||
2664 | if (bytes == 1) | |
2665 | buffer[0] = http->buffer[0]; | |
2666 | else | |
2667 | memcpy(buffer, http->buffer, bytes); | |
2668 | ||
2669 | http->used -= bytes; | |
2670 | http->data_remaining -= bytes; | |
2671 | ||
2672 | if (http->data_remaining <= INT_MAX) | |
2673 | http->_data_remaining = (int)http->data_remaining; | |
2674 | else | |
2675 | http->_data_remaining = INT_MAX; | |
2676 | ||
2677 | if (http->used > 0) | |
2678 | memmove(http->buffer, http->buffer + bytes, http->used); | |
2679 | ||
2680 | if (http->data_remaining == 0) | |
2681 | { | |
2682 | if (http->data_encoding == HTTP_ENCODE_CHUNKED) | |
2683 | { | |
2684 | /* | |
2685 | * Get the trailing CR LF after the chunk... | |
2686 | */ | |
2687 | ||
2688 | if (!httpGets(len, sizeof(len), http)) | |
2689 | return (-1); | |
2690 | } | |
2691 | ||
2692 | if (http->data_encoding != HTTP_ENCODE_CHUNKED) | |
2693 | { | |
2694 | if (http->state == HTTP_POST_RECV) | |
2695 | http->state ++; | |
2696 | else | |
2697 | http->state = HTTP_WAITING; | |
2698 | } | |
2699 | } | |
2700 | } | |
2701 | else | |
2702 | { | |
2703 | /* | |
2704 | * Wait a maximum of 1 second for data... | |
2705 | */ | |
2706 | ||
2707 | if (!http->blocking) | |
2708 | { | |
2709 | /* | |
2710 | * Wait up to 1 second for more data on non-blocking sockets... | |
2711 | */ | |
2712 | ||
2713 | if (!httpWait(http, 1000)) | |
2714 | { | |
2715 | /* | |
2716 | * Signal no data... | |
2717 | */ | |
2718 | ||
2719 | bytes = -1; | |
2720 | break; | |
2721 | } | |
2722 | } | |
2723 | ||
a4d04587 | 2724 | if ((bytes = httpRead2(http, (char *)buffer, length - tbytes)) <= 0) |
ef416fc2 | 2725 | break; |
2726 | } | |
2727 | } | |
2728 | ||
2729 | /* | |
2730 | * Return the number of bytes read... | |
2731 | */ | |
2732 | ||
2733 | if (tbytes == 0 && bytes < 0) | |
2734 | tbytes = -1; | |
2735 | ||
2736 | DEBUG_printf(("returning %d bytes...\n", tbytes)); | |
2737 | ||
2738 | return (tbytes); | |
2739 | } | |
2740 | ||
2741 | ||
2742 | /* | |
2743 | * 'ipp_read_file()' - Read IPP data from a file. | |
2744 | */ | |
2745 | ||
a4d04587 | 2746 | static ssize_t /* O - Number of bytes read */ |
ef416fc2 | 2747 | ipp_read_file(int *fd, /* I - File descriptor */ |
2748 | ipp_uchar_t *buffer, /* O - Read buffer */ | |
a4d04587 | 2749 | size_t length) /* I - Number of bytes to read */ |
ef416fc2 | 2750 | { |
2751 | return (read(*fd, buffer, length)); | |
2752 | } | |
2753 | ||
2754 | ||
2755 | /* | |
2756 | * 'ipp_write_file()' - Write IPP data to a file. | |
2757 | */ | |
2758 | ||
a4d04587 | 2759 | static ssize_t /* O - Number of bytes written */ |
ef416fc2 | 2760 | ipp_write_file(int *fd, /* I - File descriptor */ |
2761 | ipp_uchar_t *buffer, /* I - Data to write */ | |
a4d04587 | 2762 | size_t length) /* I - Number of bytes to write */ |
ef416fc2 | 2763 | { |
2764 | return (write(*fd, buffer, length)); | |
2765 | } | |
2766 | ||
2767 | ||
2768 | /* | |
a4d04587 | 2769 | * End of "$Id: ipp.c 5023 2006-01-29 14:39:44Z mike $". |
ef416fc2 | 2770 | */ |