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ef416fc2 | 1 | /* |
bc44d920 | 2 | * "$Id: ipp.c 6649 2007-07-11 21:46:42Z mike $" |
ef416fc2 | 3 | * |
4 | * Internet Printing Protocol support functions for the Common UNIX | |
5 | * Printing System (CUPS). | |
6 | * | |
91c84a35 | 7 | * Copyright 2007-2008 by Apple Inc. |
b86bc4cf | 8 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 9 | * |
10 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 11 | * property of Apple Inc. and are protected by Federal copyright |
12 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
13 | * which should have been included with this file. If this file is | |
14 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 15 | * |
16 | * This file is subject to the Apple OS-Developed Software exception. | |
17 | * | |
18 | * Contents: | |
19 | * | |
20 | * ippAddBoolean() - Add a boolean attribute to an IPP message. | |
21 | * ippAddBooleans() - Add an array of boolean values. | |
22 | * ippAddDate() - Add a date attribute to an IPP message. | |
23 | * ippAddInteger() - Add a integer attribute to an IPP message. | |
24 | * ippAddIntegers() - Add an array of integer values. | |
25 | * ippAddOctetString() - Add an octetString value to an IPP message. | |
26 | * ippAddString() - Add a language-encoded string to an IPP message. | |
27 | * ippAddStrings() - Add language-encoded strings to an IPP message. | |
28 | * ippAddRange() - Add a range of values to an IPP message. | |
29 | * ippAddRanges() - Add ranges of values to an IPP message. | |
30 | * ippAddResolution() - Add a resolution value to an IPP message. | |
31 | * ippAddResolutions() - Add resolution values to an IPP message. | |
32 | * ippAddSeparator() - Add a group separator to an IPP message. | |
33 | * ippDateToTime() - Convert from RFC 1903 Date/Time format to | |
34 | * UNIX time in seconds. | |
35 | * ippDelete() - Delete an IPP message. | |
36 | * ippDeleteAttribute() - Delete a single attribute in an IPP message. | |
37 | * ippFindAttribute() - Find a named attribute in a request... | |
38 | * ippFindNextAttribute() - Find the next named attribute in a request... | |
39 | * ippLength() - Compute the length of an IPP message. | |
40 | * ippNew() - Allocate a new IPP message. | |
41 | * ippNewRequest() - Allocate a new IPP message. | |
42 | * ippRead() - Read data for an IPP message from a HTTP | |
43 | * connection. | |
44 | * ippReadFile() - Read data for an IPP message from a file. | |
45 | * ippReadIO() - Read data for an IPP message. | |
46 | * ippTimeToDate() - Convert from UNIX time to RFC 1903 format. | |
47 | * ippWrite() - Write data for an IPP message to a HTTP | |
48 | * connection. | |
49 | * ippWriteFile() - Write data for an IPP message to a file. | |
50 | * ippWriteIO() - Write data for an IPP message. | |
757d2cad | 51 | * _ippAddAttr() - Add a new attribute to the request. |
52 | * _ippFreeAttr() - Free an attribute. | |
ef416fc2 | 53 | * ipp_length() - Compute the length of an IPP message or |
54 | * collection value. | |
55 | * ipp_read_http() - Semi-blocking read on a HTTP connection... | |
56 | * ipp_read_file() - Read IPP data from a file. | |
57 | * ipp_write_file() - Write IPP data to a file. | |
58 | */ | |
59 | ||
60 | /* | |
61 | * Include necessary headers... | |
62 | */ | |
63 | ||
64 | #include "http-private.h" | |
65 | #include "globals.h" | |
66 | #include "debug.h" | |
67 | #include <stdlib.h> | |
68 | #include <errno.h> | |
69 | #ifdef WIN32 | |
70 | # include <io.h> | |
71 | #endif /* WIN32 */ | |
72 | ||
73 | ||
74 | /* | |
75 | * Local functions... | |
76 | */ | |
77 | ||
78 | static size_t ipp_length(ipp_t *ipp, int collection); | |
a4d04587 | 79 | static ssize_t ipp_read_http(http_t *http, ipp_uchar_t *buffer, |
80 | size_t length); | |
81 | static ssize_t ipp_read_file(int *fd, ipp_uchar_t *buffer, | |
82 | size_t length); | |
83 | static ssize_t ipp_write_file(int *fd, ipp_uchar_t *buffer, | |
84 | size_t length); | |
ef416fc2 | 85 | |
86 | ||
87 | /* | |
88 | * 'ippAddBoolean()' - Add a boolean attribute to an IPP message. | |
89 | */ | |
90 | ||
91 | ipp_attribute_t * /* O - New attribute */ | |
92 | ippAddBoolean(ipp_t *ipp, /* I - IPP message */ | |
93 | ipp_tag_t group, /* I - IPP group */ | |
94 | const char *name, /* I - Name of attribute */ | |
95 | char value) /* I - Value of attribute */ | |
96 | { | |
97 | ipp_attribute_t *attr; /* New attribute */ | |
98 | ||
99 | ||
100 | DEBUG_printf(("ippAddBoolean(%p, %02x, \'%s\', %d)\n", ipp, group, name, value)); | |
101 | ||
102 | if (ipp == NULL || name == NULL) | |
103 | return (NULL); | |
104 | ||
757d2cad | 105 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) |
ef416fc2 | 106 | return (NULL); |
107 | ||
757d2cad | 108 | attr->name = _cupsStrAlloc(name); |
ef416fc2 | 109 | attr->group_tag = group; |
110 | attr->value_tag = IPP_TAG_BOOLEAN; | |
111 | attr->values[0].boolean = value; | |
112 | ||
113 | return (attr); | |
114 | } | |
115 | ||
116 | ||
117 | /* | |
118 | * 'ippAddBooleans()' - Add an array of boolean values. | |
119 | */ | |
120 | ||
121 | ipp_attribute_t * /* O - New attribute */ | |
122 | ippAddBooleans(ipp_t *ipp, /* I - IPP message */ | |
123 | ipp_tag_t group, /* I - IPP group */ | |
124 | const char *name, /* I - Name of attribute */ | |
125 | int num_values, /* I - Number of values */ | |
126 | const char *values) /* I - Values */ | |
127 | { | |
128 | int i; /* Looping var */ | |
129 | ipp_attribute_t *attr; /* New attribute */ | |
130 | ipp_value_t *value; /* Current value */ | |
131 | ||
132 | ||
133 | DEBUG_printf(("ippAddBooleans(%p, %02x, \'%s\', %d, %p)\n", ipp, | |
134 | group, name, num_values, values)); | |
135 | ||
136 | if (ipp == NULL || name == NULL || num_values < 1) | |
137 | return (NULL); | |
138 | ||
757d2cad | 139 | if ((attr = _ippAddAttr(ipp, num_values)) == NULL) |
ef416fc2 | 140 | return (NULL); |
141 | ||
757d2cad | 142 | attr->name = _cupsStrAlloc(name); |
ef416fc2 | 143 | attr->group_tag = group; |
144 | attr->value_tag = IPP_TAG_BOOLEAN; | |
145 | ||
146 | if (values != NULL) | |
147 | for (i = 0, value = attr->values; | |
148 | i < num_values; | |
149 | i ++, value ++) | |
150 | value->boolean = values[i]; | |
151 | ||
152 | return (attr); | |
153 | } | |
154 | ||
155 | ||
156 | /* | |
157 | * 'ippAddCollection()' - Add a collection value. | |
158 | * | |
159 | * @since CUPS 1.1.19@ | |
160 | */ | |
161 | ||
162 | ipp_attribute_t * /* O - New attribute */ | |
163 | ippAddCollection(ipp_t *ipp, /* I - IPP message */ | |
164 | ipp_tag_t group, /* I - IPP group */ | |
165 | const char *name, /* I - Name of attribute */ | |
166 | ipp_t *value) /* I - Value */ | |
167 | { | |
168 | ipp_attribute_t *attr; /* New attribute */ | |
169 | ||
170 | ||
171 | DEBUG_printf(("ippAddCollection(%p, %02x, \'%s\', %p)\n", ipp, group, name, | |
172 | value)); | |
173 | ||
174 | if (ipp == NULL || name == NULL) | |
175 | return (NULL); | |
176 | ||
757d2cad | 177 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) |
ef416fc2 | 178 | return (NULL); |
179 | ||
757d2cad | 180 | attr->name = _cupsStrAlloc(name); |
ef416fc2 | 181 | attr->group_tag = group; |
182 | attr->value_tag = IPP_TAG_BEGIN_COLLECTION; | |
183 | attr->values[0].collection = value; | |
184 | ||
185 | return (attr); | |
186 | } | |
187 | ||
188 | ||
189 | /* | |
190 | * 'ippAddCollections()' - Add an array of collection values. | |
191 | * | |
192 | * @since CUPS 1.1.19@ | |
193 | */ | |
194 | ||
195 | ipp_attribute_t * /* O - New attribute */ | |
196 | ippAddCollections( | |
197 | ipp_t *ipp, /* I - IPP message */ | |
198 | ipp_tag_t group, /* I - IPP group */ | |
199 | const char *name, /* I - Name of attribute */ | |
200 | int num_values, /* I - Number of values */ | |
201 | const ipp_t **values) /* I - Values */ | |
202 | { | |
203 | int i; /* Looping var */ | |
204 | ipp_attribute_t *attr; /* New attribute */ | |
205 | ipp_value_t *value; /* Current value */ | |
206 | ||
207 | ||
208 | DEBUG_printf(("ippAddCollections(%p, %02x, \'%s\', %d, %p)\n", ipp, | |
209 | group, name, num_values, values)); | |
210 | ||
211 | if (ipp == NULL || name == NULL || num_values < 1) | |
212 | return (NULL); | |
213 | ||
757d2cad | 214 | if ((attr = _ippAddAttr(ipp, num_values)) == NULL) |
ef416fc2 | 215 | return (NULL); |
216 | ||
757d2cad | 217 | attr->name = _cupsStrAlloc(name); |
ef416fc2 | 218 | attr->group_tag = group; |
219 | attr->value_tag = IPP_TAG_BEGIN_COLLECTION; | |
220 | ||
221 | if (values != NULL) | |
222 | for (i = 0, value = attr->values; | |
223 | i < num_values; | |
224 | i ++, value ++) | |
225 | value->collection = (ipp_t *)values[i]; | |
226 | ||
227 | return (attr); | |
228 | } | |
229 | ||
230 | ||
231 | /* | |
232 | * 'ippAddDate()' - Add a date attribute to an IPP message. | |
233 | */ | |
234 | ||
235 | ipp_attribute_t * /* O - New attribute */ | |
236 | ippAddDate(ipp_t *ipp, /* I - IPP message */ | |
237 | ipp_tag_t group, /* I - IPP group */ | |
238 | const char *name, /* I - Name of attribute */ | |
239 | const ipp_uchar_t *value) /* I - Value */ | |
240 | { | |
241 | ipp_attribute_t *attr; /* New attribute */ | |
242 | ||
243 | ||
244 | DEBUG_printf(("ippAddDate(%p, %02x, \'%s\', %p)\n", ipp, group, name, | |
245 | value)); | |
246 | ||
247 | if (ipp == NULL || name == NULL || value == NULL) | |
248 | return (NULL); | |
249 | ||
757d2cad | 250 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) |
ef416fc2 | 251 | return (NULL); |
252 | ||
757d2cad | 253 | attr->name = _cupsStrAlloc(name); |
ef416fc2 | 254 | attr->group_tag = group; |
255 | attr->value_tag = IPP_TAG_DATE; | |
256 | memcpy(attr->values[0].date, value, 11); | |
257 | ||
258 | return (attr); | |
259 | } | |
260 | ||
261 | ||
262 | /* | |
263 | * 'ippAddInteger()' - Add a integer attribute to an IPP message. | |
264 | */ | |
265 | ||
266 | ipp_attribute_t * /* O - New attribute */ | |
267 | ippAddInteger(ipp_t *ipp, /* I - IPP message */ | |
268 | ipp_tag_t group, /* I - IPP group */ | |
269 | ipp_tag_t type, /* I - Type of attribute */ | |
270 | const char *name, /* I - Name of attribute */ | |
271 | int value) /* I - Value of attribute */ | |
272 | { | |
273 | ipp_attribute_t *attr; /* New attribute */ | |
274 | ||
275 | ||
276 | DEBUG_printf(("ippAddInteger(%p, %d, \'%s\', %d)\n", ipp, group, name, | |
277 | value)); | |
278 | ||
279 | if (ipp == NULL || name == NULL) | |
280 | return (NULL); | |
281 | ||
757d2cad | 282 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) |
ef416fc2 | 283 | return (NULL); |
284 | ||
757d2cad | 285 | attr->name = _cupsStrAlloc(name); |
ef416fc2 | 286 | attr->group_tag = group; |
287 | attr->value_tag = type; | |
288 | attr->values[0].integer = value; | |
289 | ||
290 | return (attr); | |
291 | } | |
292 | ||
293 | ||
294 | /* | |
295 | * 'ippAddIntegers()' - Add an array of integer values. | |
296 | */ | |
297 | ||
298 | ipp_attribute_t * /* O - New attribute */ | |
299 | ippAddIntegers(ipp_t *ipp, /* I - IPP message */ | |
300 | ipp_tag_t group, /* I - IPP group */ | |
301 | ipp_tag_t type, /* I - Type of attribute */ | |
302 | const char *name, /* I - Name of attribute */ | |
303 | int num_values, /* I - Number of values */ | |
304 | const int *values) /* I - Values */ | |
305 | { | |
306 | int i; /* Looping var */ | |
307 | ipp_attribute_t *attr; /* New attribute */ | |
308 | ipp_value_t *value; /* Current value */ | |
309 | ||
310 | ||
311 | if (ipp == NULL || name == NULL || num_values < 1) | |
312 | return (NULL); | |
313 | ||
757d2cad | 314 | if ((attr = _ippAddAttr(ipp, num_values)) == NULL) |
ef416fc2 | 315 | return (NULL); |
316 | ||
757d2cad | 317 | attr->name = _cupsStrAlloc(name); |
ef416fc2 | 318 | attr->group_tag = group; |
319 | attr->value_tag = type; | |
320 | ||
321 | if (values != NULL) | |
322 | for (i = 0, value = attr->values; | |
323 | i < num_values; | |
324 | i ++, value ++) | |
325 | value->integer = values[i]; | |
326 | ||
327 | return (attr); | |
328 | } | |
329 | ||
330 | ||
331 | /* | |
332 | * 'ippAddOctetString()' - Add an octetString value to an IPP message. | |
333 | * | |
334 | * @since CUPS 1.2@ | |
335 | */ | |
336 | ||
337 | ipp_attribute_t * /* O - New attribute */ | |
338 | ippAddOctetString(ipp_t *ipp, /* I - IPP message */ | |
339 | ipp_tag_t group, /* I - IPP group */ | |
340 | const char *name, /* I - Name of attribute */ | |
341 | const void *data, /* I - octetString data */ | |
342 | int datalen) /* I - Length of data in bytes */ | |
343 | { | |
344 | ipp_attribute_t *attr; /* New attribute */ | |
345 | ||
346 | ||
347 | if (ipp == NULL || name == NULL) | |
348 | return (NULL); | |
349 | ||
757d2cad | 350 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) |
ef416fc2 | 351 | return (NULL); |
352 | ||
353 | /* | |
354 | * Initialize the attribute data... | |
355 | */ | |
356 | ||
757d2cad | 357 | attr->name = _cupsStrAlloc(name); |
ef416fc2 | 358 | attr->group_tag = group; |
359 | attr->value_tag = IPP_TAG_STRING; | |
360 | attr->values[0].unknown.length = datalen; | |
361 | ||
362 | if (data) | |
363 | { | |
91c84a35 MS |
364 | if ((attr->values[0].unknown.data = malloc(datalen)) == NULL) |
365 | { | |
366 | ippDeleteAttribute(ipp, attr); | |
367 | return (NULL); | |
368 | } | |
369 | ||
ef416fc2 | 370 | memcpy(attr->values[0].unknown.data, data, datalen); |
371 | } | |
372 | ||
373 | /* | |
374 | * Return the new attribute... | |
375 | */ | |
376 | ||
377 | return (attr); | |
378 | } | |
379 | ||
380 | ||
381 | /* | |
382 | * 'ippAddString()' - Add a language-encoded string to an IPP message. | |
383 | */ | |
384 | ||
385 | ipp_attribute_t * /* O - New attribute */ | |
386 | ippAddString(ipp_t *ipp, /* I - IPP message */ | |
387 | ipp_tag_t group, /* I - IPP group */ | |
388 | ipp_tag_t type, /* I - Type of attribute */ | |
389 | const char *name, /* I - Name of attribute */ | |
390 | const char *charset, /* I - Character set */ | |
391 | const char *value) /* I - Value */ | |
392 | { | |
393 | ipp_attribute_t *attr; /* New attribute */ | |
4400e98d | 394 | char buffer[1024], /* Language/charset value buffer */ |
395 | *bufptr; /* Pointer into buffer */ | |
ef416fc2 | 396 | |
397 | ||
398 | if (ipp == NULL || name == NULL) | |
399 | return (NULL); | |
400 | ||
757d2cad | 401 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) |
ef416fc2 | 402 | return (NULL); |
403 | ||
404 | /* | |
405 | * Force value to be English for the POSIX locale... | |
406 | */ | |
407 | ||
4400e98d | 408 | if (type == IPP_TAG_LANGUAGE && !strcasecmp(value, "C")) |
ef416fc2 | 409 | value = "en"; |
410 | ||
ef416fc2 | 411 | /* |
412 | * Convert language values to lowercase and change _ to - as needed... | |
413 | */ | |
414 | ||
4400e98d | 415 | if ((type == IPP_TAG_LANGUAGE || type == IPP_TAG_CHARSET) && value) |
ef416fc2 | 416 | { |
4400e98d | 417 | strlcpy(buffer, value, sizeof(buffer)); |
418 | value = buffer; | |
ef416fc2 | 419 | |
4400e98d | 420 | for (bufptr = buffer; *bufptr; bufptr ++) |
421 | if (*bufptr == '_') | |
422 | *bufptr = '-'; | |
ef416fc2 | 423 | else |
4400e98d | 424 | *bufptr = tolower(*bufptr & 255); |
ef416fc2 | 425 | } |
426 | ||
4400e98d | 427 | /* |
428 | * Initialize the attribute data... | |
429 | */ | |
430 | ||
757d2cad | 431 | attr->name = _cupsStrAlloc(name); |
4400e98d | 432 | attr->group_tag = group; |
433 | attr->value_tag = type; | |
434 | attr->values[0].string.charset = ((int)type & IPP_TAG_COPY) ? (char *)charset : | |
757d2cad | 435 | charset ? _cupsStrAlloc(charset) : NULL; |
4400e98d | 436 | attr->values[0].string.text = ((int)type & IPP_TAG_COPY) ? (char *)value : |
757d2cad | 437 | value ? _cupsStrAlloc(value) : NULL; |
4400e98d | 438 | |
ef416fc2 | 439 | return (attr); |
440 | } | |
441 | ||
442 | ||
443 | /* | |
444 | * 'ippAddStrings()' - Add language-encoded strings to an IPP message. | |
445 | */ | |
446 | ||
447 | ipp_attribute_t * /* O - New attribute */ | |
448 | ippAddStrings( | |
449 | ipp_t *ipp, /* I - IPP message */ | |
450 | ipp_tag_t group, /* I - IPP group */ | |
451 | ipp_tag_t type, /* I - Type of attribute */ | |
452 | const char *name, /* I - Name of attribute */ | |
453 | int num_values, /* I - Number of values */ | |
454 | const char *charset, /* I - Character set */ | |
455 | const char * const *values) /* I - Values */ | |
456 | { | |
457 | int i; /* Looping var */ | |
458 | ipp_attribute_t *attr; /* New attribute */ | |
459 | ipp_value_t *value; /* Current value */ | |
460 | ||
461 | ||
462 | if (ipp == NULL || name == NULL || num_values < 1) | |
463 | return (NULL); | |
464 | ||
757d2cad | 465 | if ((attr = _ippAddAttr(ipp, num_values)) == NULL) |
ef416fc2 | 466 | return (NULL); |
467 | ||
468 | /* | |
469 | * Initialize the attribute data... | |
470 | */ | |
471 | ||
757d2cad | 472 | attr->name = _cupsStrAlloc(name); |
ef416fc2 | 473 | attr->group_tag = group; |
474 | attr->value_tag = type; | |
475 | ||
476 | for (i = 0, value = attr->values; | |
477 | i < num_values; | |
478 | i ++, value ++) | |
479 | { | |
480 | if (i == 0) | |
481 | value->string.charset = ((int)type & IPP_TAG_COPY) ? (char *)charset : | |
757d2cad | 482 | charset ? _cupsStrAlloc(charset) : NULL; |
ef416fc2 | 483 | else |
484 | value->string.charset = attr->values[0].string.charset; | |
485 | ||
486 | if (values != NULL) | |
487 | { | |
488 | /* | |
489 | * Force language to be English for the POSIX locale... | |
490 | */ | |
491 | ||
4400e98d | 492 | if (type == IPP_TAG_LANGUAGE && !strcasecmp(values[i], "C")) |
ef416fc2 | 493 | value->string.text = ((int)type & IPP_TAG_COPY) ? "en" : |
757d2cad | 494 | _cupsStrAlloc("en"); |
ef416fc2 | 495 | else |
496 | value->string.text = ((int)type & IPP_TAG_COPY) ? (char *)values[i] : | |
757d2cad | 497 | _cupsStrAlloc(values[i]); |
ef416fc2 | 498 | } |
499 | } | |
500 | ||
501 | return (attr); | |
502 | } | |
503 | ||
504 | ||
505 | /* | |
506 | * 'ippAddRange()' - Add a range of values to an IPP message. | |
507 | */ | |
508 | ||
509 | ipp_attribute_t * /* O - New attribute */ | |
510 | ippAddRange(ipp_t *ipp, /* I - IPP message */ | |
511 | ipp_tag_t group, /* I - IPP group */ | |
512 | const char *name, /* I - Name of attribute */ | |
513 | int lower, /* I - Lower value */ | |
514 | int upper) /* I - Upper value */ | |
515 | { | |
516 | ipp_attribute_t *attr; /* New attribute */ | |
517 | ||
518 | ||
519 | if (ipp == NULL || name == NULL) | |
520 | return (NULL); | |
521 | ||
757d2cad | 522 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) |
ef416fc2 | 523 | return (NULL); |
524 | ||
757d2cad | 525 | attr->name = _cupsStrAlloc(name); |
ef416fc2 | 526 | attr->group_tag = group; |
527 | attr->value_tag = IPP_TAG_RANGE; | |
528 | attr->values[0].range.lower = lower; | |
529 | attr->values[0].range.upper = upper; | |
530 | ||
531 | return (attr); | |
532 | } | |
533 | ||
534 | ||
535 | /* | |
536 | * 'ippAddRanges()' - Add ranges of values to an IPP message. | |
537 | */ | |
538 | ||
539 | ipp_attribute_t * /* O - New attribute */ | |
540 | ippAddRanges(ipp_t *ipp, /* I - IPP message */ | |
541 | ipp_tag_t group, /* I - IPP group */ | |
542 | const char *name, /* I - Name of attribute */ | |
543 | int num_values, /* I - Number of values */ | |
544 | const int *lower, /* I - Lower values */ | |
545 | const int *upper) /* I - Upper values */ | |
546 | { | |
547 | int i; /* Looping var */ | |
548 | ipp_attribute_t *attr; /* New attribute */ | |
549 | ipp_value_t *value; /* Current value */ | |
550 | ||
551 | ||
552 | if (ipp == NULL || name == NULL || num_values < 1) | |
553 | return (NULL); | |
554 | ||
757d2cad | 555 | if ((attr = _ippAddAttr(ipp, num_values)) == NULL) |
ef416fc2 | 556 | return (NULL); |
557 | ||
757d2cad | 558 | attr->name = _cupsStrAlloc(name); |
ef416fc2 | 559 | attr->group_tag = group; |
560 | attr->value_tag = IPP_TAG_RANGE; | |
561 | ||
562 | if (lower != NULL && upper != NULL) | |
563 | for (i = 0, value = attr->values; | |
564 | i < num_values; | |
565 | i ++, value ++) | |
566 | { | |
567 | value->range.lower = lower[i]; | |
568 | value->range.upper = upper[i]; | |
569 | } | |
570 | ||
571 | return (attr); | |
572 | } | |
573 | ||
574 | ||
575 | /* | |
576 | * 'ippAddResolution()' - Add a resolution value to an IPP message. | |
577 | */ | |
578 | ||
579 | ipp_attribute_t * /* O - New attribute */ | |
580 | ippAddResolution(ipp_t *ipp, /* I - IPP message */ | |
581 | ipp_tag_t group, /* I - IPP group */ | |
582 | const char *name, /* I - Name of attribute */ | |
583 | ipp_res_t units, /* I - Units for resolution */ | |
584 | int xres, /* I - X resolution */ | |
585 | int yres) /* I - Y resolution */ | |
586 | { | |
587 | ipp_attribute_t *attr; /* New attribute */ | |
588 | ||
589 | ||
590 | if (ipp == NULL || name == NULL) | |
591 | return (NULL); | |
592 | ||
757d2cad | 593 | if ((attr = _ippAddAttr(ipp, 1)) == NULL) |
ef416fc2 | 594 | return (NULL); |
595 | ||
757d2cad | 596 | attr->name = _cupsStrAlloc(name); |
ef416fc2 | 597 | attr->group_tag = group; |
598 | attr->value_tag = IPP_TAG_RESOLUTION; | |
599 | attr->values[0].resolution.xres = xres; | |
600 | attr->values[0].resolution.yres = yres; | |
601 | attr->values[0].resolution.units = units; | |
602 | ||
603 | return (attr); | |
604 | } | |
605 | ||
606 | ||
607 | /* | |
608 | * 'ippAddResolutions()' - Add resolution values to an IPP message. | |
609 | */ | |
610 | ||
611 | ipp_attribute_t * /* O - New attribute */ | |
612 | ippAddResolutions(ipp_t *ipp, /* I - IPP message */ | |
613 | ipp_tag_t group, /* I - IPP group */ | |
614 | const char *name, /* I - Name of attribute */ | |
615 | int num_values,/* I - Number of values */ | |
616 | ipp_res_t units, /* I - Units for resolution */ | |
617 | const int *xres, /* I - X resolutions */ | |
618 | const int *yres) /* I - Y resolutions */ | |
619 | { | |
620 | int i; /* Looping var */ | |
621 | ipp_attribute_t *attr; /* New attribute */ | |
622 | ipp_value_t *value; /* Current value */ | |
623 | ||
624 | ||
625 | if (ipp == NULL || name == NULL || num_values < 1) | |
626 | return (NULL); | |
627 | ||
757d2cad | 628 | if ((attr = _ippAddAttr(ipp, num_values)) == NULL) |
ef416fc2 | 629 | return (NULL); |
630 | ||
757d2cad | 631 | attr->name = _cupsStrAlloc(name); |
ef416fc2 | 632 | attr->group_tag = group; |
633 | attr->value_tag = IPP_TAG_RESOLUTION; | |
634 | ||
635 | if (xres != NULL && yres != NULL) | |
636 | for (i = 0, value = attr->values; | |
637 | i < num_values; | |
638 | i ++, value ++) | |
639 | { | |
640 | value->resolution.xres = xres[i]; | |
641 | value->resolution.yres = yres[i]; | |
642 | value->resolution.units = units; | |
643 | } | |
644 | ||
645 | return (attr); | |
646 | } | |
647 | ||
648 | ||
649 | /* | |
650 | * 'ippAddSeparator()' - Add a group separator to an IPP message. | |
651 | */ | |
652 | ||
653 | ipp_attribute_t * /* O - New attribute */ | |
654 | ippAddSeparator(ipp_t *ipp) /* I - IPP message */ | |
655 | { | |
656 | ipp_attribute_t *attr; /* New attribute */ | |
657 | ||
658 | ||
659 | DEBUG_printf(("ippAddSeparator(%p)\n", ipp)); | |
660 | ||
661 | if (ipp == NULL) | |
662 | return (NULL); | |
663 | ||
757d2cad | 664 | if ((attr = _ippAddAttr(ipp, 0)) == NULL) |
ef416fc2 | 665 | return (NULL); |
666 | ||
667 | attr->group_tag = IPP_TAG_ZERO; | |
668 | attr->value_tag = IPP_TAG_ZERO; | |
669 | ||
670 | return (attr); | |
671 | } | |
672 | ||
673 | ||
674 | /* | |
675 | * 'ippDateToTime()' - Convert from RFC 1903 Date/Time format to UNIX time | |
676 | * in seconds. | |
677 | */ | |
678 | ||
679 | time_t /* O - UNIX time value */ | |
680 | ippDateToTime(const ipp_uchar_t *date) /* I - RFC 1903 date info */ | |
681 | { | |
682 | struct tm unixdate; /* UNIX date/time info */ | |
683 | time_t t; /* Computed time */ | |
684 | ||
685 | ||
686 | memset(&unixdate, 0, sizeof(unixdate)); | |
687 | ||
688 | /* | |
689 | * RFC-1903 date/time format is: | |
690 | * | |
691 | * Byte(s) Description | |
692 | * ------- ----------- | |
693 | * 0-1 Year (0 to 65535) | |
694 | * 2 Month (1 to 12) | |
695 | * 3 Day (1 to 31) | |
696 | * 4 Hours (0 to 23) | |
697 | * 5 Minutes (0 to 59) | |
698 | * 6 Seconds (0 to 60, 60 = "leap second") | |
699 | * 7 Deciseconds (0 to 9) | |
700 | * 8 +/- UTC | |
701 | * 9 UTC hours (0 to 11) | |
702 | * 10 UTC minutes (0 to 59) | |
703 | */ | |
704 | ||
705 | unixdate.tm_year = ((date[0] << 8) | date[1]) - 1900; | |
706 | unixdate.tm_mon = date[2] - 1; | |
707 | unixdate.tm_mday = date[3]; | |
708 | unixdate.tm_hour = date[4]; | |
709 | unixdate.tm_min = date[5]; | |
710 | unixdate.tm_sec = date[6]; | |
711 | ||
712 | t = mktime(&unixdate); | |
713 | ||
714 | if (date[8] == '-') | |
715 | t += date[9] * 3600 + date[10] * 60; | |
716 | else | |
717 | t -= date[9] * 3600 + date[10] * 60; | |
718 | ||
719 | return (t); | |
720 | } | |
721 | ||
722 | ||
723 | /* | |
724 | * 'ippDelete()' - Delete an IPP message. | |
725 | */ | |
726 | ||
727 | void | |
728 | ippDelete(ipp_t *ipp) /* I - IPP message */ | |
729 | { | |
730 | ipp_attribute_t *attr, /* Current attribute */ | |
731 | *next; /* Next attribute */ | |
732 | ||
733 | ||
734 | DEBUG_printf(("ippDelete(): %p\n", ipp)); | |
735 | ||
736 | if (ipp == NULL) | |
737 | return; | |
738 | ||
739 | for (attr = ipp->attrs; attr != NULL; attr = next) | |
740 | { | |
741 | next = attr->next; | |
757d2cad | 742 | _ippFreeAttr(attr); |
ef416fc2 | 743 | } |
744 | ||
745 | free(ipp); | |
746 | } | |
747 | ||
748 | ||
749 | /* | |
750 | * 'ippDeleteAttribute()' - Delete a single attribute in an IPP message. | |
751 | * | |
752 | * @since CUPS 1.1.19@ | |
753 | */ | |
754 | ||
755 | void | |
756 | ippDeleteAttribute( | |
757 | ipp_t *ipp, /* I - IPP message */ | |
758 | ipp_attribute_t *attr) /* I - Attribute to delete */ | |
759 | { | |
760 | ipp_attribute_t *current, /* Current attribute */ | |
761 | *prev; /* Previous attribute */ | |
762 | ||
763 | ||
764 | /* | |
765 | * Find the attribute in the list... | |
766 | */ | |
767 | ||
768 | for (current = ipp->attrs, prev = NULL; | |
769 | current != NULL && current != attr; | |
770 | prev = current, current = current->next); | |
771 | ||
772 | if (current) | |
773 | { | |
774 | /* | |
775 | * Found it, remove the attribute from the list... | |
776 | */ | |
777 | ||
778 | if (prev) | |
779 | prev->next = current->next; | |
780 | else | |
781 | ipp->attrs = current->next; | |
782 | ||
783 | if (current == ipp->last) | |
784 | ipp->last = prev; | |
785 | ||
786 | /* | |
787 | * Free memory used by the attribute... | |
788 | */ | |
789 | ||
757d2cad | 790 | _ippFreeAttr(current); |
ef416fc2 | 791 | } |
792 | } | |
793 | ||
794 | ||
795 | /* | |
796 | * 'ippFindAttribute()' - Find a named attribute in a request... | |
797 | */ | |
798 | ||
799 | ipp_attribute_t * /* O - Matching attribute */ | |
800 | ippFindAttribute(ipp_t *ipp, /* I - IPP message */ | |
801 | const char *name, /* I - Name of attribute */ | |
802 | ipp_tag_t type) /* I - Type of attribute */ | |
803 | { | |
804 | DEBUG_printf(("ippFindAttribute(%p, \'%s\')\n", ipp, name)); | |
805 | ||
806 | if (ipp == NULL || name == NULL) | |
807 | return (NULL); | |
808 | ||
809 | /* | |
810 | * Reset the current pointer... | |
811 | */ | |
812 | ||
813 | ipp->current = NULL; | |
814 | ||
815 | /* | |
816 | * Search for the attribute... | |
817 | */ | |
818 | ||
819 | return (ippFindNextAttribute(ipp, name, type)); | |
820 | } | |
821 | ||
822 | ||
823 | /* | |
824 | * 'ippFindNextAttribute()' - Find the next named attribute in a request... | |
825 | */ | |
826 | ||
827 | ipp_attribute_t * /* O - Matching attribute */ | |
828 | ippFindNextAttribute(ipp_t *ipp, /* I - IPP message */ | |
829 | const char *name, /* I - Name of attribute */ | |
830 | ipp_tag_t type) /* I - Type of attribute */ | |
831 | { | |
832 | ipp_attribute_t *attr; /* Current atttribute */ | |
833 | ipp_tag_t value_tag; /* Value tag */ | |
834 | ||
835 | ||
836 | DEBUG_printf(("ippFindNextAttribute(%p, \'%s\')\n", ipp, name)); | |
837 | ||
838 | if (ipp == NULL || name == NULL) | |
839 | return (NULL); | |
840 | ||
841 | if (ipp->current) | |
842 | { | |
843 | ipp->prev = ipp->current; | |
844 | attr = ipp->current->next; | |
845 | } | |
846 | else | |
847 | { | |
848 | ipp->prev = NULL; | |
849 | attr = ipp->attrs; | |
850 | } | |
851 | ||
852 | for (; attr != NULL; ipp->prev = attr, attr = attr->next) | |
853 | { | |
854 | DEBUG_printf(("ippFindAttribute: attr = %p, name = \'%s\'\n", attr, | |
855 | attr->name)); | |
856 | ||
857 | value_tag = (ipp_tag_t)(attr->value_tag & IPP_TAG_MASK); | |
858 | ||
859 | if (attr->name != NULL && strcasecmp(attr->name, name) == 0 && | |
860 | (value_tag == type || type == IPP_TAG_ZERO || | |
861 | (value_tag == IPP_TAG_TEXTLANG && type == IPP_TAG_TEXT) || | |
862 | (value_tag == IPP_TAG_NAMELANG && type == IPP_TAG_NAME))) | |
863 | { | |
864 | ipp->current = attr; | |
865 | ||
866 | return (attr); | |
867 | } | |
868 | } | |
869 | ||
870 | ipp->current = NULL; | |
871 | ipp->prev = NULL; | |
872 | ||
873 | return (NULL); | |
874 | } | |
875 | ||
876 | ||
877 | /* | |
878 | * 'ippLength()' - Compute the length of an IPP message. | |
879 | */ | |
880 | ||
881 | size_t /* O - Size of IPP message */ | |
882 | ippLength(ipp_t *ipp) /* I - IPP message */ | |
883 | { | |
884 | return (ipp_length(ipp, 0)); | |
885 | } | |
886 | ||
887 | ||
888 | /* | |
889 | * 'ippNew()' - Allocate a new IPP message. | |
890 | */ | |
891 | ||
892 | ipp_t * /* O - New IPP message */ | |
893 | ippNew(void) | |
894 | { | |
895 | ipp_t *temp; /* New IPP message */ | |
896 | ||
897 | ||
898 | DEBUG_puts("ippNew()"); | |
899 | ||
900 | if ((temp = (ipp_t *)calloc(1, sizeof(ipp_t))) != NULL) | |
901 | { | |
902 | /* | |
903 | * Default to IPP 1.1... | |
904 | */ | |
905 | ||
906 | temp->request.any.version[0] = 1; | |
907 | temp->request.any.version[1] = 1; | |
908 | } | |
909 | ||
910 | DEBUG_printf(("ippNew: %p\n", temp)); | |
911 | ||
912 | return (temp); | |
913 | } | |
914 | ||
915 | ||
916 | /* | |
917 | * 'ippNewRequest()' - Allocate a new IPP request message. | |
918 | * | |
919 | * The new request message is initialized with the attributes-charset and | |
920 | * attributes-natural-language attributes added. The | |
921 | * attributes-natural-language value is derived from the current locale. | |
922 | * | |
923 | * @since CUPS 1.2@ | |
924 | */ | |
925 | ||
926 | ipp_t * /* O - IPP request message */ | |
927 | ippNewRequest(ipp_op_t op) /* I - Operation code */ | |
928 | { | |
929 | ipp_t *request; /* IPP request message */ | |
930 | cups_lang_t *language; /* Current language localization */ | |
931 | ||
932 | ||
933 | /* | |
934 | * Create a new IPP message... | |
935 | */ | |
936 | ||
937 | if ((request = ippNew()) == NULL) | |
938 | return (NULL); | |
939 | ||
940 | /* | |
941 | * Set the operation and request ID... | |
942 | */ | |
943 | ||
944 | request->request.op.operation_id = op; | |
945 | request->request.op.request_id = 1; | |
946 | ||
947 | /* | |
948 | * Use UTF-8 as the character set... | |
949 | */ | |
950 | ||
951 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, | |
952 | "attributes-charset", NULL, "utf-8"); | |
953 | ||
954 | /* | |
955 | * Get the language from the current locale... | |
956 | */ | |
957 | ||
958 | language = cupsLangDefault(); | |
959 | ||
960 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, | |
961 | "attributes-natural-language", NULL, language->language); | |
962 | ||
963 | /* | |
964 | * Return the new request... | |
965 | */ | |
966 | ||
967 | return (request); | |
968 | } | |
969 | ||
970 | ||
971 | /* | |
972 | * 'ippRead()' - Read data for an IPP message from a HTTP connection. | |
973 | */ | |
974 | ||
975 | ipp_state_t /* O - Current state */ | |
976 | ippRead(http_t *http, /* I - HTTP connection */ | |
977 | ipp_t *ipp) /* I - IPP data */ | |
978 | { | |
979 | DEBUG_printf(("ippRead(http=%p, ipp=%p), data_remaining=" CUPS_LLFMT "\n", | |
980 | http, ipp, CUPS_LLCAST (http ? http->data_remaining : -1))); | |
981 | ||
982 | if (http == NULL) | |
983 | return (IPP_ERROR); | |
984 | ||
985 | DEBUG_printf(("http->state = %d\n", http->state)); | |
986 | ||
987 | return (ippReadIO(http, (ipp_iocb_t)ipp_read_http, | |
988 | http->blocking || http->used != 0, NULL, ipp)); | |
989 | } | |
990 | ||
991 | ||
992 | /* | |
993 | * 'ippReadFile()' - Read data for an IPP message from a file. | |
994 | * | |
995 | * @since CUPS 1.1.19@ | |
996 | */ | |
997 | ||
998 | ipp_state_t /* O - Current state */ | |
999 | ippReadFile(int fd, /* I - HTTP data */ | |
1000 | ipp_t *ipp) /* I - IPP data */ | |
1001 | { | |
1002 | DEBUG_printf(("ippReadFile(%d, %p)\n", fd, ipp)); | |
1003 | ||
1004 | return (ippReadIO(&fd, (ipp_iocb_t)ipp_read_file, 1, NULL, ipp)); | |
1005 | } | |
1006 | ||
1007 | ||
1008 | /* | |
1009 | * 'ippReadIO()' - Read data for an IPP message. | |
1010 | * | |
4400e98d | 1011 | * @since CUPS 1.2@ |
ef416fc2 | 1012 | */ |
1013 | ||
1014 | ipp_state_t /* O - Current state */ | |
1015 | ippReadIO(void *src, /* I - Data source */ | |
1016 | ipp_iocb_t cb, /* I - Read callback function */ | |
1017 | int blocking, /* I - Use blocking IO? */ | |
1018 | ipp_t *parent, /* I - Parent request, if any */ | |
1019 | ipp_t *ipp) /* I - IPP data */ | |
1020 | { | |
1021 | int n; /* Length of data */ | |
a41f09e2 MS |
1022 | unsigned char buffer[IPP_MAX_LENGTH], |
1023 | /* Data buffer */ | |
1024 | string[IPP_MAX_NAME], | |
1025 | /* Small string buffer */ | |
ef416fc2 | 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)); | |
89d46774 | 1035 | DEBUG_printf(("ippReadIO: ipp->state=%d\n", ipp->state)); |
ef416fc2 | 1036 | |
1037 | if (src == NULL || ipp == NULL) | |
1038 | return (IPP_ERROR); | |
1039 | ||
1040 | switch (ipp->state) | |
1041 | { | |
1042 | case IPP_IDLE : | |
1043 | ipp->state ++; /* Avoid common problem... */ | |
1044 | ||
1045 | case IPP_HEADER : | |
1046 | if (parent == NULL) | |
1047 | { | |
1048 | /* | |
1049 | * Get the request header... | |
1050 | */ | |
1051 | ||
1052 | if ((n = (*cb)(src, buffer, 8)) < 8) | |
1053 | { | |
1054 | DEBUG_printf(("ippReadIO: Unable to read header (%d bytes read)!\n", n)); | |
b86bc4cf | 1055 | return (IPP_ERROR); |
ef416fc2 | 1056 | } |
1057 | ||
1058 | /* | |
1059 | * Verify the major version number... | |
1060 | */ | |
1061 | ||
1062 | if (buffer[0] != 1) | |
1063 | { | |
1064 | DEBUG_printf(("ippReadIO: version number (%d.%d) is bad.\n", buffer[0], | |
1065 | buffer[1])); | |
1066 | return (IPP_ERROR); | |
1067 | } | |
1068 | ||
1069 | /* | |
1070 | * Then copy the request header over... | |
1071 | */ | |
1072 | ||
1073 | ipp->request.any.version[0] = buffer[0]; | |
1074 | ipp->request.any.version[1] = buffer[1]; | |
1075 | ipp->request.any.op_status = (buffer[2] << 8) | buffer[3]; | |
1076 | ipp->request.any.request_id = (((((buffer[4] << 8) | buffer[5]) << 8) | | |
1077 | buffer[6]) << 8) | buffer[7]; | |
1078 | ||
1079 | DEBUG_printf(("ippReadIO: version=%d.%d\n", buffer[0], buffer[1])); | |
1080 | DEBUG_printf(("ippReadIO: op_status=%04x\n", | |
1081 | ipp->request.any.op_status)); | |
1082 | DEBUG_printf(("ippReadIO: request_id=%d\n", | |
1083 | ipp->request.any.request_id)); | |
1084 | } | |
1085 | ||
1086 | ipp->state = IPP_ATTRIBUTE; | |
1087 | ipp->current = NULL; | |
1088 | ipp->curtag = IPP_TAG_ZERO; | |
1089 | ipp->prev = ipp->last; | |
1090 | ||
1091 | /* | |
1092 | * If blocking is disabled, stop here... | |
1093 | */ | |
1094 | ||
1095 | if (!blocking) | |
1096 | break; | |
1097 | ||
1098 | case IPP_ATTRIBUTE : | |
b86bc4cf | 1099 | for (;;) |
ef416fc2 | 1100 | { |
b86bc4cf | 1101 | if ((*cb)(src, buffer, 1) < 1) |
1102 | return (IPP_ERROR); | |
1103 | ||
ef416fc2 | 1104 | DEBUG_printf(("ippReadIO: ipp->current=%p, ipp->prev=%p\n", |
1105 | ipp->current, ipp->prev)); | |
1106 | ||
1107 | /* | |
1108 | * Read this attribute... | |
1109 | */ | |
1110 | ||
1111 | tag = (ipp_tag_t)buffer[0]; | |
1112 | ||
1113 | if (tag == IPP_TAG_END) | |
1114 | { | |
1115 | /* | |
1116 | * No more attributes left... | |
1117 | */ | |
1118 | ||
1119 | DEBUG_puts("ippReadIO: IPP_TAG_END!"); | |
1120 | ||
1121 | ipp->state = IPP_DATA; | |
1122 | break; | |
1123 | } | |
1124 | else if (tag < IPP_TAG_UNSUPPORTED_VALUE) | |
1125 | { | |
1126 | /* | |
1127 | * Group tag... Set the current group and continue... | |
1128 | */ | |
1129 | ||
1130 | if (ipp->curtag == tag) | |
1131 | ipp->prev = ippAddSeparator(ipp); | |
1132 | else if (ipp->current) | |
1133 | ipp->prev = ipp->current; | |
1134 | ||
1135 | ipp->curtag = tag; | |
1136 | ipp->current = NULL; | |
1137 | DEBUG_printf(("ippReadIO: group tag = %x, ipp->prev=%p\n", tag, | |
1138 | ipp->prev)); | |
1139 | continue; | |
1140 | } | |
1141 | ||
1142 | DEBUG_printf(("ippReadIO: value tag = %x\n", tag)); | |
1143 | ||
1144 | /* | |
1145 | * Get the name... | |
1146 | */ | |
1147 | ||
1148 | if ((*cb)(src, buffer, 2) < 2) | |
1149 | { | |
1150 | DEBUG_puts("ippReadIO: unable to read name length!"); | |
1151 | return (IPP_ERROR); | |
1152 | } | |
1153 | ||
1154 | n = (buffer[0] << 8) | buffer[1]; | |
1155 | ||
1156 | if (n > (sizeof(buffer) - 1)) | |
1157 | { | |
1158 | DEBUG_printf(("ippReadIO: bad name length %d!\n", n)); | |
1159 | return (IPP_ERROR); | |
1160 | } | |
1161 | ||
1162 | DEBUG_printf(("ippReadIO: name length = %d\n", n)); | |
1163 | ||
1164 | if (n == 0 && tag != IPP_TAG_MEMBERNAME && | |
1165 | tag != IPP_TAG_END_COLLECTION) | |
1166 | { | |
1167 | /* | |
1168 | * More values for current attribute... | |
1169 | */ | |
1170 | ||
1171 | if (ipp->current == NULL) | |
1172 | return (IPP_ERROR); | |
1173 | ||
fa73b229 | 1174 | attr = ipp->current; |
1175 | value_tag = (ipp_tag_t)(attr->value_tag & IPP_TAG_MASK); | |
ef416fc2 | 1176 | |
1177 | /* | |
1178 | * Make sure we aren't adding a new value of a different | |
1179 | * type... | |
1180 | */ | |
1181 | ||
fa73b229 | 1182 | if (value_tag == IPP_TAG_ZERO) |
ef416fc2 | 1183 | { |
1184 | /* | |
1185 | * Setting the value of a collection member... | |
1186 | */ | |
1187 | ||
1188 | attr->value_tag = tag; | |
1189 | } | |
5a738aea MS |
1190 | else if (value_tag >= IPP_TAG_TEXTLANG && |
1191 | value_tag <= IPP_TAG_MIMETYPE) | |
ef416fc2 | 1192 | { |
1193 | /* | |
1194 | * String values can sometimes come across in different | |
1195 | * forms; accept sets of differing values... | |
1196 | */ | |
1197 | ||
5a738aea | 1198 | if (tag < IPP_TAG_TEXTLANG || tag > IPP_TAG_MIMETYPE) |
ef416fc2 | 1199 | return (IPP_ERROR); |
1200 | } | |
fa73b229 | 1201 | else if (value_tag != tag) |
ef416fc2 | 1202 | return (IPP_ERROR); |
1203 | ||
1204 | /* | |
1205 | * Finally, reallocate the attribute array as needed... | |
1206 | */ | |
1207 | ||
1208 | if (attr->num_values == 1 || | |
1209 | (attr->num_values > 0 && | |
1210 | (attr->num_values & (IPP_MAX_VALUES - 1)) == 0)) | |
1211 | { | |
1212 | ipp_attribute_t *temp; /* Pointer to new buffer */ | |
1213 | ||
1214 | ||
1215 | DEBUG_printf(("ippReadIO: reallocating for up to %d values...\n", | |
1216 | attr->num_values + IPP_MAX_VALUES)); | |
1217 | ||
1218 | /* | |
1219 | * Reallocate memory... | |
1220 | */ | |
1221 | ||
1222 | if ((temp = realloc(attr, sizeof(ipp_attribute_t) + | |
1223 | (attr->num_values + IPP_MAX_VALUES - 1) * | |
1224 | sizeof(ipp_value_t))) == NULL) | |
1225 | return (IPP_ERROR); | |
1226 | ||
1227 | if (temp != attr) | |
1228 | { | |
1229 | /* | |
1230 | * Reset pointers in the list... | |
1231 | */ | |
1232 | ||
1233 | if (ipp->prev) | |
1234 | ipp->prev->next = temp; | |
1235 | else | |
1236 | ipp->attrs = temp; | |
1237 | ||
1238 | attr = ipp->current = ipp->last = temp; | |
1239 | } | |
1240 | } | |
1241 | } | |
1242 | else if (tag == IPP_TAG_MEMBERNAME) | |
1243 | { | |
1244 | /* | |
1245 | * Name must be length 0! | |
1246 | */ | |
1247 | ||
1248 | if (n) | |
1249 | { | |
1250 | DEBUG_puts("ippReadIO: member name not empty!"); | |
1251 | return (IPP_ERROR); | |
1252 | } | |
1253 | ||
1254 | if (ipp->current) | |
1255 | ipp->prev = ipp->current; | |
1256 | ||
757d2cad | 1257 | attr = ipp->current = _ippAddAttr(ipp, 1); |
ef416fc2 | 1258 | |
1259 | DEBUG_printf(("ippReadIO: membername, ipp->current=%p, ipp->prev=%p\n", | |
1260 | ipp->current, ipp->prev)); | |
1261 | ||
1262 | attr->group_tag = ipp->curtag; | |
1263 | attr->value_tag = IPP_TAG_ZERO; | |
1264 | attr->num_values = 0; | |
1265 | } | |
1266 | else if (tag != IPP_TAG_END_COLLECTION) | |
1267 | { | |
1268 | /* | |
1269 | * New attribute; read the name and add it... | |
1270 | */ | |
1271 | ||
1272 | if ((*cb)(src, buffer, n) < n) | |
1273 | { | |
1274 | DEBUG_puts("ippReadIO: unable to read name!"); | |
1275 | return (IPP_ERROR); | |
1276 | } | |
1277 | ||
1278 | buffer[n] = '\0'; | |
1279 | ||
1280 | if (ipp->current) | |
1281 | ipp->prev = ipp->current; | |
1282 | ||
91c84a35 MS |
1283 | if ((attr = ipp->current = _ippAddAttr(ipp, 1)) == NULL) |
1284 | { | |
1285 | DEBUG_puts("ippReadIO: unable to allocate attribute!"); | |
1286 | return (IPP_ERROR); | |
1287 | } | |
ef416fc2 | 1288 | |
1289 | DEBUG_printf(("ippReadIO: name=\'%s\', ipp->current=%p, ipp->prev=%p\n", | |
1290 | buffer, ipp->current, ipp->prev)); | |
1291 | ||
1292 | attr->group_tag = ipp->curtag; | |
1293 | attr->value_tag = tag; | |
757d2cad | 1294 | attr->name = _cupsStrAlloc((char *)buffer); |
ef416fc2 | 1295 | attr->num_values = 0; |
1296 | } | |
1297 | else | |
1298 | attr = NULL; | |
1299 | ||
1300 | if (tag != IPP_TAG_END_COLLECTION) | |
1301 | value = attr->values + attr->num_values; | |
1302 | else | |
1303 | value = NULL; | |
1304 | ||
1305 | if ((*cb)(src, buffer, 2) < 2) | |
1306 | { | |
1307 | DEBUG_puts("ippReadIO: unable to read value length!"); | |
1308 | return (IPP_ERROR); | |
1309 | } | |
1310 | ||
1311 | n = (buffer[0] << 8) | buffer[1]; | |
1312 | DEBUG_printf(("ippReadIO: value length = %d\n", n)); | |
1313 | ||
1314 | switch (tag) | |
1315 | { | |
1316 | case IPP_TAG_INTEGER : | |
1317 | case IPP_TAG_ENUM : | |
a41f09e2 MS |
1318 | if (n != 4) |
1319 | { | |
1320 | DEBUG_printf(("ippReadIO: bad value length %d!\n", n)); | |
1321 | return (IPP_ERROR); | |
1322 | } | |
1323 | ||
ef416fc2 | 1324 | if ((*cb)(src, buffer, 4) < 4) |
1325 | { | |
1326 | DEBUG_puts("ippReadIO: Unable to read integer value!"); | |
1327 | return (IPP_ERROR); | |
1328 | } | |
1329 | ||
1330 | n = (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | | |
1331 | buffer[3]; | |
1332 | ||
1333 | value->integer = n; | |
1334 | break; | |
5a738aea | 1335 | |
ef416fc2 | 1336 | case IPP_TAG_BOOLEAN : |
a41f09e2 MS |
1337 | if (n != 1) |
1338 | { | |
1339 | DEBUG_printf(("ippReadIO: bad value length %d!\n", n)); | |
1340 | return (IPP_ERROR); | |
1341 | } | |
1342 | ||
ef416fc2 | 1343 | if ((*cb)(src, buffer, 1) < 1) |
1344 | { | |
1345 | DEBUG_puts("ippReadIO: Unable to read boolean value!"); | |
1346 | return (IPP_ERROR); | |
1347 | } | |
1348 | ||
1349 | value->boolean = buffer[0]; | |
1350 | break; | |
5a738aea | 1351 | |
ef416fc2 | 1352 | case IPP_TAG_TEXT : |
1353 | case IPP_TAG_NAME : | |
1354 | case IPP_TAG_KEYWORD : | |
ef416fc2 | 1355 | case IPP_TAG_URI : |
1356 | case IPP_TAG_URISCHEME : | |
1357 | case IPP_TAG_CHARSET : | |
1358 | case IPP_TAG_LANGUAGE : | |
1359 | case IPP_TAG_MIMETYPE : | |
a41f09e2 MS |
1360 | if (n >= sizeof(buffer)) |
1361 | { | |
1362 | DEBUG_printf(("ippReadIO: bad value length %d!\n", n)); | |
1363 | return (IPP_ERROR); | |
1364 | } | |
1365 | ||
4400e98d | 1366 | if ((*cb)(src, buffer, n) < n) |
ef416fc2 | 1367 | { |
4400e98d | 1368 | DEBUG_puts("ippReadIO: unable to read name!"); |
ef416fc2 | 1369 | return (IPP_ERROR); |
1370 | } | |
1371 | ||
4400e98d | 1372 | buffer[n] = '\0'; |
757d2cad | 1373 | value->string.text = _cupsStrAlloc((char *)buffer); |
ef416fc2 | 1374 | DEBUG_printf(("ippReadIO: value = \'%s\'\n", |
1375 | value->string.text)); | |
1376 | break; | |
5a738aea | 1377 | |
ef416fc2 | 1378 | case IPP_TAG_DATE : |
a41f09e2 MS |
1379 | if (n != 11) |
1380 | { | |
1381 | DEBUG_printf(("ippReadIO: bad value length %d!\n", n)); | |
1382 | return (IPP_ERROR); | |
1383 | } | |
1384 | ||
ef416fc2 | 1385 | if ((*cb)(src, value->date, 11) < 11) |
1386 | { | |
1387 | DEBUG_puts("ippReadIO: Unable to date integer value!"); | |
1388 | return (IPP_ERROR); | |
1389 | } | |
1390 | break; | |
5a738aea | 1391 | |
ef416fc2 | 1392 | case IPP_TAG_RESOLUTION : |
a41f09e2 MS |
1393 | if (n != 9) |
1394 | { | |
1395 | DEBUG_printf(("ippReadIO: bad value length %d!\n", n)); | |
1396 | return (IPP_ERROR); | |
1397 | } | |
1398 | ||
ef416fc2 | 1399 | if ((*cb)(src, buffer, 9) < 9) |
1400 | { | |
1401 | DEBUG_puts("ippReadIO: Unable to read resolution value!"); | |
1402 | return (IPP_ERROR); | |
1403 | } | |
1404 | ||
1405 | value->resolution.xres = | |
1406 | (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | | |
1407 | buffer[3]; | |
1408 | value->resolution.yres = | |
1409 | (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) | | |
1410 | buffer[7]; | |
1411 | value->resolution.units = | |
1412 | (ipp_res_t)buffer[8]; | |
1413 | break; | |
5a738aea | 1414 | |
ef416fc2 | 1415 | case IPP_TAG_RANGE : |
a41f09e2 MS |
1416 | if (n != 8) |
1417 | { | |
1418 | DEBUG_printf(("ippReadIO: bad value length %d!\n", n)); | |
1419 | return (IPP_ERROR); | |
1420 | } | |
1421 | ||
ef416fc2 | 1422 | if ((*cb)(src, buffer, 8) < 8) |
1423 | { | |
1424 | DEBUG_puts("ippReadIO: Unable to read range value!"); | |
1425 | return (IPP_ERROR); | |
1426 | } | |
1427 | ||
1428 | value->range.lower = | |
1429 | (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | | |
1430 | buffer[3]; | |
1431 | value->range.upper = | |
1432 | (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) | | |
1433 | buffer[7]; | |
1434 | break; | |
5a738aea | 1435 | |
ef416fc2 | 1436 | case IPP_TAG_TEXTLANG : |
1437 | case IPP_TAG_NAMELANG : | |
a41f09e2 | 1438 | if (n >= sizeof(buffer) || n < 4) |
ef416fc2 | 1439 | { |
1440 | DEBUG_printf(("ippReadIO: bad value length %d!\n", n)); | |
1441 | return (IPP_ERROR); | |
1442 | } | |
1443 | ||
1444 | if ((*cb)(src, buffer, n) < n) | |
1445 | { | |
1446 | DEBUG_puts("ippReadIO: Unable to read string w/language value!"); | |
1447 | return (IPP_ERROR); | |
1448 | } | |
1449 | ||
1450 | bufptr = buffer; | |
1451 | ||
1452 | /* | |
1453 | * text-with-language and name-with-language are composite | |
1454 | * values: | |
1455 | * | |
1456 | * charset-length | |
1457 | * charset | |
1458 | * text-length | |
1459 | * text | |
1460 | */ | |
1461 | ||
1462 | n = (bufptr[0] << 8) | bufptr[1]; | |
1463 | ||
a41f09e2 MS |
1464 | if ((bufptr + 2 + n) >= (buffer + sizeof(buffer)) || |
1465 | n >= sizeof(string)) | |
4400e98d | 1466 | { |
a41f09e2 MS |
1467 | DEBUG_printf(("ippReadIO: bad value length %d!\n", n)); |
1468 | return (IPP_ERROR); | |
4400e98d | 1469 | } |
a41f09e2 MS |
1470 | |
1471 | memcpy(string, bufptr + 2, n); | |
1472 | string[n] = '\0'; | |
ef416fc2 | 1473 | |
757d2cad | 1474 | value->string.charset = _cupsStrAlloc((char *)string); |
ef416fc2 | 1475 | |
1476 | bufptr += 2 + n; | |
1477 | n = (bufptr[0] << 8) | bufptr[1]; | |
1478 | ||
a41f09e2 MS |
1479 | if ((bufptr + 2 + n) >= (buffer + sizeof(buffer))) |
1480 | { | |
1481 | DEBUG_printf(("ippReadIO: bad value length %d!\n", n)); | |
1482 | return (IPP_ERROR); | |
1483 | } | |
1484 | ||
4400e98d | 1485 | bufptr[2 + n] = '\0'; |
757d2cad | 1486 | value->string.text = _cupsStrAlloc((char *)bufptr + 2); |
ef416fc2 | 1487 | break; |
1488 | ||
1489 | case IPP_TAG_BEGIN_COLLECTION : | |
1490 | /* | |
1491 | * Oh, boy, here comes a collection value, so read it... | |
1492 | */ | |
1493 | ||
1494 | value->collection = ippNew(); | |
1495 | ||
1496 | if (n > 0) | |
1497 | { | |
1498 | DEBUG_puts("ippReadIO: begCollection tag with value length > 0!"); | |
1499 | return (IPP_ERROR); | |
1500 | } | |
1501 | ||
1502 | if (ippReadIO(src, cb, 1, ipp, value->collection) == IPP_ERROR) | |
1503 | { | |
1504 | DEBUG_puts("ippReadIO: Unable to read collection value!"); | |
1505 | return (IPP_ERROR); | |
1506 | } | |
1507 | break; | |
1508 | ||
1509 | case IPP_TAG_END_COLLECTION : | |
1510 | if (n > 0) | |
1511 | { | |
1512 | DEBUG_puts("ippReadIO: endCollection tag with value length > 0!"); | |
1513 | return (IPP_ERROR); | |
1514 | } | |
1515 | ||
1516 | DEBUG_puts("ippReadIO: endCollection tag..."); | |
1517 | ||
1518 | return (ipp->state = IPP_DATA); | |
1519 | ||
1520 | case IPP_TAG_MEMBERNAME : | |
1521 | /* | |
4400e98d | 1522 | * The value the name of the member in the collection, which |
1523 | * we need to carry over... | |
ef416fc2 | 1524 | */ |
1525 | ||
a41f09e2 MS |
1526 | if (n >= sizeof(buffer)) |
1527 | { | |
1528 | DEBUG_printf(("ippReadIO: bad value length %d!\n", n)); | |
1529 | return (IPP_ERROR); | |
1530 | } | |
1531 | ||
4400e98d | 1532 | if ((*cb)(src, buffer, n) < n) |
ef416fc2 | 1533 | { |
1534 | DEBUG_puts("ippReadIO: Unable to read member name value!"); | |
1535 | return (IPP_ERROR); | |
1536 | } | |
1537 | ||
4400e98d | 1538 | buffer[n] = '\0'; |
757d2cad | 1539 | attr->name = _cupsStrAlloc((char *)buffer); |
4400e98d | 1540 | |
ef416fc2 | 1541 | /* |
1542 | * Since collection members are encoded differently than | |
1543 | * regular attributes, make sure we don't start with an | |
1544 | * empty value... | |
1545 | */ | |
1546 | ||
1547 | attr->num_values --; | |
1548 | ||
1549 | DEBUG_printf(("ippReadIO: member name = \"%s\"\n", attr->name)); | |
1550 | break; | |
1551 | ||
1552 | default : /* Other unsupported values */ | |
91c84a35 | 1553 | if (n > IPP_MAX_LENGTH) |
a41f09e2 MS |
1554 | { |
1555 | DEBUG_printf(("ippReadIO: bad value length %d!\n", n)); | |
1556 | return (IPP_ERROR); | |
1557 | } | |
1558 | ||
ef416fc2 | 1559 | value->unknown.length = n; |
1560 | if (n > 0) | |
1561 | { | |
91c84a35 MS |
1562 | if ((value->unknown.data = malloc(n)) == NULL) |
1563 | { | |
1564 | DEBUG_puts("ippReadIO: Unable to allocate value"); | |
1565 | return (IPP_ERROR); | |
1566 | } | |
1567 | ||
ef416fc2 | 1568 | if ((*cb)(src, value->unknown.data, n) < n) |
1569 | { | |
1570 | DEBUG_puts("ippReadIO: Unable to read unsupported value!"); | |
1571 | return (IPP_ERROR); | |
1572 | } | |
1573 | } | |
1574 | else | |
1575 | value->unknown.data = NULL; | |
1576 | break; | |
1577 | } | |
1578 | ||
1579 | attr->num_values ++; | |
1580 | ||
1581 | /* | |
1582 | * If blocking is disabled, stop here... | |
1583 | */ | |
1584 | ||
1585 | if (!blocking) | |
1586 | break; | |
1587 | } | |
1588 | break; | |
1589 | ||
1590 | case IPP_DATA : | |
1591 | break; | |
1592 | ||
1593 | default : | |
1594 | break; /* anti-compiler-warning-code */ | |
1595 | } | |
1596 | ||
89d46774 | 1597 | DEBUG_printf(("ippReadIO: returning ipp->state=%d!\n", ipp->state)); |
1598 | ||
ef416fc2 | 1599 | return (ipp->state); |
1600 | } | |
1601 | ||
1602 | ||
1603 | /* | |
1604 | * 'ippTimeToDate()' - Convert from UNIX time to RFC 1903 format. | |
1605 | */ | |
1606 | ||
1607 | const ipp_uchar_t * /* O - RFC-1903 date/time data */ | |
1608 | ippTimeToDate(time_t t) /* I - UNIX time value */ | |
1609 | { | |
1610 | struct tm *unixdate; /* UNIX unixdate/time info */ | |
1611 | ipp_uchar_t *date = _cupsGlobals()->ipp_date; | |
1612 | /* RFC-1903 date/time data */ | |
1613 | ||
1614 | ||
1615 | /* | |
1616 | * RFC-1903 date/time format is: | |
1617 | * | |
1618 | * Byte(s) Description | |
1619 | * ------- ----------- | |
1620 | * 0-1 Year (0 to 65535) | |
1621 | * 2 Month (1 to 12) | |
1622 | * 3 Day (1 to 31) | |
1623 | * 4 Hours (0 to 23) | |
1624 | * 5 Minutes (0 to 59) | |
1625 | * 6 Seconds (0 to 60, 60 = "leap second") | |
1626 | * 7 Deciseconds (0 to 9) | |
1627 | * 8 +/- UTC | |
1628 | * 9 UTC hours (0 to 11) | |
1629 | * 10 UTC minutes (0 to 59) | |
1630 | */ | |
1631 | ||
1632 | unixdate = gmtime(&t); | |
1633 | unixdate->tm_year += 1900; | |
1634 | ||
1635 | date[0] = unixdate->tm_year >> 8; | |
1636 | date[1] = unixdate->tm_year; | |
1637 | date[2] = unixdate->tm_mon + 1; | |
1638 | date[3] = unixdate->tm_mday; | |
1639 | date[4] = unixdate->tm_hour; | |
1640 | date[5] = unixdate->tm_min; | |
1641 | date[6] = unixdate->tm_sec; | |
1642 | date[7] = 0; | |
1643 | date[8] = '+'; | |
1644 | date[9] = 0; | |
1645 | date[10] = 0; | |
1646 | ||
1647 | return (date); | |
1648 | } | |
1649 | ||
1650 | ||
1651 | /* | |
1652 | * 'ippWrite()' - Write data for an IPP message to a HTTP connection. | |
1653 | */ | |
1654 | ||
1655 | ipp_state_t /* O - Current state */ | |
1656 | ippWrite(http_t *http, /* I - HTTP connection */ | |
1657 | ipp_t *ipp) /* I - IPP data */ | |
1658 | { | |
1659 | DEBUG_printf(("ippWrite(%p, %p)\n", http, ipp)); | |
1660 | ||
1661 | if (http == NULL) | |
1662 | return (IPP_ERROR); | |
1663 | ||
a4d04587 | 1664 | return (ippWriteIO(http, (ipp_iocb_t)httpWrite2, |
ef416fc2 | 1665 | http->blocking, NULL, ipp)); |
1666 | } | |
1667 | ||
1668 | ||
1669 | /* | |
1670 | * 'ippWriteFile()' - Write data for an IPP message to a file. | |
1671 | * | |
1672 | * @since CUPS 1.1.19@ | |
1673 | */ | |
1674 | ||
1675 | ipp_state_t /* O - Current state */ | |
1676 | ippWriteFile(int fd, /* I - HTTP data */ | |
1677 | ipp_t *ipp) /* I - IPP data */ | |
1678 | { | |
1679 | DEBUG_printf(("ippWriteFile(%d, %p)\n", fd, ipp)); | |
1680 | ||
1681 | ipp->state = IPP_IDLE; | |
1682 | ||
1683 | return (ippWriteIO(&fd, (ipp_iocb_t)ipp_write_file, 1, NULL, ipp)); | |
1684 | } | |
1685 | ||
1686 | ||
1687 | /* | |
1688 | * 'ippWriteIO()' - Write data for an IPP message. | |
1689 | * | |
4400e98d | 1690 | * @since CUPS 1.2@ |
ef416fc2 | 1691 | */ |
1692 | ||
1693 | ipp_state_t /* O - Current state */ | |
1694 | ippWriteIO(void *dst, /* I - Destination */ | |
1695 | ipp_iocb_t cb, /* I - Write callback function */ | |
1696 | int blocking, /* I - Use blocking IO? */ | |
1697 | ipp_t *parent, /* I - Parent IPP message */ | |
1698 | ipp_t *ipp) /* I - IPP data */ | |
1699 | { | |
1700 | int i; /* Looping var */ | |
1701 | int n; /* Length of data */ | |
a41f09e2 MS |
1702 | unsigned char buffer[IPP_MAX_LENGTH + 2], |
1703 | /* Data buffer + length bytes */ | |
ef416fc2 | 1704 | *bufptr; /* Pointer into buffer */ |
1705 | ipp_attribute_t *attr; /* Current attribute */ | |
1706 | ipp_value_t *value; /* Current value */ | |
1707 | ||
1708 | ||
1709 | DEBUG_printf(("ippWriteIO(%p, %p, %d, %p, %p)\n", dst, cb, blocking, | |
1710 | parent, ipp)); | |
1711 | ||
1712 | if (dst == NULL || ipp == NULL) | |
1713 | return (IPP_ERROR); | |
1714 | ||
1715 | switch (ipp->state) | |
1716 | { | |
1717 | case IPP_IDLE : | |
1718 | ipp->state ++; /* Avoid common problem... */ | |
1719 | ||
1720 | case IPP_HEADER : | |
1721 | if (parent == NULL) | |
1722 | { | |
1723 | /* | |
1724 | * Send the request header: | |
1725 | * | |
1726 | * Version = 2 bytes | |
1727 | * Operation/Status Code = 2 bytes | |
1728 | * Request ID = 4 bytes | |
1729 | * Total = 8 bytes | |
1730 | */ | |
1731 | ||
1732 | bufptr = buffer; | |
1733 | ||
1734 | *bufptr++ = ipp->request.any.version[0]; | |
1735 | *bufptr++ = ipp->request.any.version[1]; | |
1736 | *bufptr++ = ipp->request.any.op_status >> 8; | |
1737 | *bufptr++ = ipp->request.any.op_status; | |
1738 | *bufptr++ = ipp->request.any.request_id >> 24; | |
1739 | *bufptr++ = ipp->request.any.request_id >> 16; | |
1740 | *bufptr++ = ipp->request.any.request_id >> 8; | |
1741 | *bufptr++ = ipp->request.any.request_id; | |
1742 | ||
1743 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1744 | { | |
89d46774 | 1745 | DEBUG_puts("ippWriteIO: Could not write IPP header..."); |
ef416fc2 | 1746 | return (IPP_ERROR); |
1747 | } | |
1748 | } | |
1749 | ||
1750 | /* | |
1751 | * Reset the state engine to point to the first attribute | |
1752 | * in the request/response, with no current group. | |
1753 | */ | |
1754 | ||
1755 | ipp->state = IPP_ATTRIBUTE; | |
1756 | ipp->current = ipp->attrs; | |
1757 | ipp->curtag = IPP_TAG_ZERO; | |
1758 | ||
89d46774 | 1759 | DEBUG_printf(("ippWriteIO: version=%d.%d\n", buffer[0], buffer[1])); |
1760 | DEBUG_printf(("ippWriteIO: op_status=%04x\n", ipp->request.any.op_status)); | |
1761 | DEBUG_printf(("ippWriteIO: request_id=%d\n", ipp->request.any.request_id)); | |
ef416fc2 | 1762 | |
1763 | /* | |
1764 | * If blocking is disabled, stop here... | |
1765 | */ | |
1766 | ||
1767 | if (!blocking) | |
1768 | break; | |
1769 | ||
1770 | case IPP_ATTRIBUTE : | |
1771 | while (ipp->current != NULL) | |
1772 | { | |
1773 | /* | |
1774 | * Write this attribute... | |
1775 | */ | |
1776 | ||
1777 | bufptr = buffer; | |
1778 | attr = ipp->current; | |
1779 | ||
1780 | ipp->current = ipp->current->next; | |
1781 | ||
1782 | if (ipp->curtag != attr->group_tag && parent == NULL) | |
1783 | { | |
1784 | /* | |
1785 | * Send a group tag byte... | |
1786 | */ | |
1787 | ||
1788 | ipp->curtag = attr->group_tag; | |
1789 | ||
1790 | if (attr->group_tag == IPP_TAG_ZERO) | |
1791 | continue; | |
1792 | ||
89d46774 | 1793 | DEBUG_printf(("ippWriteIO: wrote group tag = %x\n", attr->group_tag)); |
ef416fc2 | 1794 | *bufptr++ = attr->group_tag; |
1795 | } | |
fa73b229 | 1796 | else if (attr->group_tag == IPP_TAG_ZERO) |
1797 | continue; | |
ef416fc2 | 1798 | |
1799 | /* | |
1800 | * Write the attribute tag and name. The current implementation | |
1801 | * does not support the extension value tags above 0x7f, so all | |
1802 | * value tags are 1 byte. | |
1803 | * | |
1804 | * The attribute name length does not include the trailing nul | |
1805 | * character in the source string. | |
1806 | * | |
1807 | * Collection values (parent != NULL) are written differently... | |
1808 | */ | |
1809 | ||
1810 | if (parent == NULL) | |
1811 | { | |
1812 | /* | |
1813 | * Get the length of the attribute name, and make sure it won't | |
1814 | * overflow the buffer... | |
1815 | */ | |
1816 | ||
1817 | if ((n = (int)strlen(attr->name)) > (sizeof(buffer) - 4)) | |
1818 | return (IPP_ERROR); | |
1819 | ||
1820 | /* | |
1821 | * Write the value tag, name length, and name string... | |
1822 | */ | |
1823 | ||
89d46774 | 1824 | DEBUG_printf(("ippWriteIO: writing value tag = %x\n", attr->value_tag)); |
1825 | DEBUG_printf(("ippWriteIO: writing name = %d, \'%s\'\n", n, attr->name)); | |
ef416fc2 | 1826 | |
1827 | *bufptr++ = attr->value_tag; | |
1828 | *bufptr++ = n >> 8; | |
1829 | *bufptr++ = n; | |
1830 | memcpy(bufptr, attr->name, n); | |
1831 | bufptr += n; | |
1832 | } | |
1833 | else | |
1834 | { | |
1835 | /* | |
1836 | * Get the length of the attribute name, and make sure it won't | |
1837 | * overflow the buffer... | |
1838 | */ | |
1839 | ||
1840 | if ((n = (int)strlen(attr->name)) > (sizeof(buffer) - 7)) | |
1841 | return (IPP_ERROR); | |
1842 | ||
1843 | /* | |
1844 | * Write the member name tag, name length, name string, value tag, | |
1845 | * and empty name for the collection member attribute... | |
1846 | */ | |
1847 | ||
89d46774 | 1848 | DEBUG_printf(("ippWriteIO: writing value tag = %x\n", |
ef416fc2 | 1849 | IPP_TAG_MEMBERNAME)); |
89d46774 | 1850 | DEBUG_printf(("ippWriteIO: writing name = %d, \'%s\'\n", n, attr->name)); |
1851 | DEBUG_printf(("ippWriteIO: writing value tag = %x\n", attr->value_tag)); | |
1852 | DEBUG_puts("ippWriteIO: writing name = 0, \'\'\n"); | |
ef416fc2 | 1853 | |
1854 | *bufptr++ = IPP_TAG_MEMBERNAME; | |
1855 | *bufptr++ = 0; | |
1856 | *bufptr++ = 0; | |
1857 | *bufptr++ = n >> 8; | |
1858 | *bufptr++ = n; | |
1859 | memcpy(bufptr, attr->name, n); | |
1860 | bufptr += n; | |
1861 | ||
1862 | *bufptr++ = attr->value_tag; | |
1863 | *bufptr++ = 0; | |
1864 | *bufptr++ = 0; | |
1865 | } | |
1866 | ||
1867 | /* | |
1868 | * Now write the attribute value(s)... | |
1869 | */ | |
1870 | ||
1871 | switch (attr->value_tag & ~IPP_TAG_COPY) | |
1872 | { | |
1873 | case IPP_TAG_INTEGER : | |
1874 | case IPP_TAG_ENUM : | |
1875 | for (i = 0, value = attr->values; | |
1876 | i < attr->num_values; | |
1877 | i ++, value ++) | |
1878 | { | |
1879 | if ((sizeof(buffer) - (bufptr - buffer)) < 9) | |
1880 | { | |
1881 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1882 | { | |
89d46774 | 1883 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); |
ef416fc2 | 1884 | return (IPP_ERROR); |
1885 | } | |
1886 | ||
1887 | bufptr = buffer; | |
1888 | } | |
1889 | ||
1890 | if (i) | |
1891 | { | |
1892 | /* | |
1893 | * Arrays and sets are done by sending additional | |
1894 | * values with a zero-length name... | |
1895 | */ | |
1896 | ||
1897 | *bufptr++ = attr->value_tag; | |
1898 | *bufptr++ = 0; | |
1899 | *bufptr++ = 0; | |
1900 | } | |
1901 | ||
1902 | /* | |
1903 | * Integers and enumerations are both 4-byte signed | |
1904 | * (twos-complement) values. | |
1905 | * | |
1906 | * Put the 2-byte length and 4-byte value into the buffer... | |
1907 | */ | |
1908 | ||
1909 | *bufptr++ = 0; | |
1910 | *bufptr++ = 4; | |
1911 | *bufptr++ = value->integer >> 24; | |
1912 | *bufptr++ = value->integer >> 16; | |
1913 | *bufptr++ = value->integer >> 8; | |
1914 | *bufptr++ = value->integer; | |
1915 | } | |
1916 | break; | |
1917 | ||
1918 | case IPP_TAG_BOOLEAN : | |
1919 | for (i = 0, value = attr->values; | |
1920 | i < attr->num_values; | |
1921 | i ++, value ++) | |
1922 | { | |
1923 | if ((sizeof(buffer) - (bufptr - buffer)) < 6) | |
1924 | { | |
1925 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1926 | { | |
89d46774 | 1927 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); |
ef416fc2 | 1928 | return (IPP_ERROR); |
1929 | } | |
1930 | ||
1931 | bufptr = buffer; | |
1932 | } | |
1933 | ||
1934 | if (i) | |
1935 | { | |
1936 | /* | |
1937 | * Arrays and sets are done by sending additional | |
1938 | * values with a zero-length name... | |
1939 | */ | |
1940 | ||
1941 | *bufptr++ = attr->value_tag; | |
1942 | *bufptr++ = 0; | |
1943 | *bufptr++ = 0; | |
1944 | } | |
1945 | ||
1946 | /* | |
1947 | * Boolean values are 1-byte; 0 = false, 1 = true. | |
1948 | * | |
1949 | * Put the 2-byte length and 1-byte value into the buffer... | |
1950 | */ | |
1951 | ||
1952 | *bufptr++ = 0; | |
1953 | *bufptr++ = 1; | |
1954 | *bufptr++ = value->boolean; | |
1955 | } | |
1956 | break; | |
1957 | ||
1958 | case IPP_TAG_TEXT : | |
1959 | case IPP_TAG_NAME : | |
1960 | case IPP_TAG_KEYWORD : | |
ef416fc2 | 1961 | case IPP_TAG_URI : |
1962 | case IPP_TAG_URISCHEME : | |
1963 | case IPP_TAG_CHARSET : | |
1964 | case IPP_TAG_LANGUAGE : | |
1965 | case IPP_TAG_MIMETYPE : | |
1966 | for (i = 0, value = attr->values; | |
1967 | i < attr->num_values; | |
1968 | i ++, value ++) | |
1969 | { | |
1970 | if (i) | |
1971 | { | |
1972 | /* | |
1973 | * Arrays and sets are done by sending additional | |
1974 | * values with a zero-length name... | |
1975 | */ | |
1976 | ||
89d46774 | 1977 | DEBUG_printf(("ippWriteIO: writing value tag = %x\n", |
ef416fc2 | 1978 | attr->value_tag)); |
89d46774 | 1979 | DEBUG_printf(("ippWriteIO: writing name = 0, \'\'\n")); |
ef416fc2 | 1980 | |
1981 | if ((sizeof(buffer) - (bufptr - buffer)) < 3) | |
1982 | { | |
1983 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
1984 | { | |
89d46774 | 1985 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); |
ef416fc2 | 1986 | return (IPP_ERROR); |
1987 | } | |
1988 | ||
1989 | bufptr = buffer; | |
1990 | } | |
1991 | ||
1992 | *bufptr++ = attr->value_tag; | |
1993 | *bufptr++ = 0; | |
1994 | *bufptr++ = 0; | |
1995 | } | |
1996 | ||
1997 | if (value->string.text != NULL) | |
1998 | n = (int)strlen(value->string.text); | |
1999 | else | |
2000 | n = 0; | |
2001 | ||
2002 | if (n > (sizeof(buffer) - 2)) | |
2003 | return (IPP_ERROR); | |
2004 | ||
89d46774 | 2005 | DEBUG_printf(("ippWriteIO: writing string = %d, \'%s\'\n", n, |
ef416fc2 | 2006 | value->string.text)); |
2007 | ||
2008 | if ((int)(sizeof(buffer) - (bufptr - buffer)) < (n + 2)) | |
2009 | { | |
2010 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2011 | { | |
89d46774 | 2012 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); |
ef416fc2 | 2013 | return (IPP_ERROR); |
2014 | } | |
2015 | ||
2016 | bufptr = buffer; | |
2017 | } | |
2018 | ||
2019 | /* | |
2020 | * All simple strings consist of the 2-byte length and | |
2021 | * character data without the trailing nul normally found | |
a41f09e2 | 2022 | * in C strings. Also, strings cannot be longer than IPP_MAX_LENGTH |
ef416fc2 | 2023 | * bytes since the 2-byte length is a signed (twos-complement) |
2024 | * value. | |
2025 | * | |
2026 | * Put the 2-byte length and string characters in the buffer. | |
2027 | */ | |
2028 | ||
2029 | *bufptr++ = n >> 8; | |
2030 | *bufptr++ = n; | |
2031 | ||
2032 | if (n > 0) | |
2033 | { | |
2034 | memcpy(bufptr, value->string.text, n); | |
2035 | bufptr += n; | |
2036 | } | |
2037 | } | |
2038 | break; | |
2039 | ||
2040 | case IPP_TAG_DATE : | |
2041 | for (i = 0, value = attr->values; | |
2042 | i < attr->num_values; | |
2043 | i ++, value ++) | |
2044 | { | |
2045 | if ((sizeof(buffer) - (bufptr - buffer)) < 16) | |
2046 | { | |
2047 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2048 | { | |
89d46774 | 2049 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); |
ef416fc2 | 2050 | return (IPP_ERROR); |
2051 | } | |
2052 | ||
2053 | bufptr = buffer; | |
2054 | } | |
2055 | ||
2056 | if (i) | |
2057 | { | |
2058 | /* | |
2059 | * Arrays and sets are done by sending additional | |
2060 | * values with a zero-length name... | |
2061 | */ | |
2062 | ||
2063 | *bufptr++ = attr->value_tag; | |
2064 | *bufptr++ = 0; | |
2065 | *bufptr++ = 0; | |
2066 | } | |
2067 | ||
2068 | /* | |
2069 | * Date values consist of a 2-byte length and an | |
2070 | * 11-byte date/time structure defined by RFC 1903. | |
2071 | * | |
2072 | * Put the 2-byte length and 11-byte date/time | |
2073 | * structure in the buffer. | |
2074 | */ | |
2075 | ||
2076 | *bufptr++ = 0; | |
2077 | *bufptr++ = 11; | |
2078 | memcpy(bufptr, value->date, 11); | |
2079 | bufptr += 11; | |
2080 | } | |
2081 | break; | |
2082 | ||
2083 | case IPP_TAG_RESOLUTION : | |
2084 | for (i = 0, value = attr->values; | |
2085 | i < attr->num_values; | |
2086 | i ++, value ++) | |
2087 | { | |
2088 | if ((sizeof(buffer) - (bufptr - buffer)) < 14) | |
2089 | { | |
2090 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2091 | { | |
89d46774 | 2092 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); |
ef416fc2 | 2093 | return (IPP_ERROR); |
2094 | } | |
2095 | ||
2096 | bufptr = buffer; | |
2097 | } | |
2098 | ||
2099 | if (i) | |
2100 | { | |
2101 | /* | |
2102 | * Arrays and sets are done by sending additional | |
2103 | * values with a zero-length name... | |
2104 | */ | |
2105 | ||
2106 | *bufptr++ = attr->value_tag; | |
2107 | *bufptr++ = 0; | |
2108 | *bufptr++ = 0; | |
2109 | } | |
2110 | ||
2111 | /* | |
2112 | * Resolution values consist of a 2-byte length, | |
2113 | * 4-byte horizontal resolution value, 4-byte vertical | |
2114 | * resolution value, and a 1-byte units value. | |
2115 | * | |
2116 | * Put the 2-byte length and resolution value data | |
2117 | * into the buffer. | |
2118 | */ | |
2119 | ||
2120 | *bufptr++ = 0; | |
2121 | *bufptr++ = 9; | |
2122 | *bufptr++ = value->resolution.xres >> 24; | |
2123 | *bufptr++ = value->resolution.xres >> 16; | |
2124 | *bufptr++ = value->resolution.xres >> 8; | |
2125 | *bufptr++ = value->resolution.xres; | |
2126 | *bufptr++ = value->resolution.yres >> 24; | |
2127 | *bufptr++ = value->resolution.yres >> 16; | |
2128 | *bufptr++ = value->resolution.yres >> 8; | |
2129 | *bufptr++ = value->resolution.yres; | |
2130 | *bufptr++ = value->resolution.units; | |
2131 | } | |
2132 | break; | |
2133 | ||
2134 | case IPP_TAG_RANGE : | |
2135 | for (i = 0, value = attr->values; | |
2136 | i < attr->num_values; | |
2137 | i ++, value ++) | |
2138 | { | |
2139 | if ((sizeof(buffer) - (bufptr - buffer)) < 13) | |
2140 | { | |
2141 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2142 | { | |
89d46774 | 2143 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); |
ef416fc2 | 2144 | return (IPP_ERROR); |
2145 | } | |
2146 | ||
2147 | bufptr = buffer; | |
2148 | } | |
2149 | ||
2150 | if (i) | |
2151 | { | |
2152 | /* | |
2153 | * Arrays and sets are done by sending additional | |
2154 | * values with a zero-length name... | |
2155 | */ | |
2156 | ||
2157 | *bufptr++ = attr->value_tag; | |
2158 | *bufptr++ = 0; | |
2159 | *bufptr++ = 0; | |
2160 | } | |
2161 | ||
2162 | /* | |
2163 | * Range values consist of a 2-byte length, | |
2164 | * 4-byte lower value, and 4-byte upper value. | |
2165 | * | |
2166 | * Put the 2-byte length and range value data | |
2167 | * into the buffer. | |
2168 | */ | |
2169 | ||
2170 | *bufptr++ = 0; | |
2171 | *bufptr++ = 8; | |
2172 | *bufptr++ = value->range.lower >> 24; | |
2173 | *bufptr++ = value->range.lower >> 16; | |
2174 | *bufptr++ = value->range.lower >> 8; | |
2175 | *bufptr++ = value->range.lower; | |
2176 | *bufptr++ = value->range.upper >> 24; | |
2177 | *bufptr++ = value->range.upper >> 16; | |
2178 | *bufptr++ = value->range.upper >> 8; | |
2179 | *bufptr++ = value->range.upper; | |
2180 | } | |
2181 | break; | |
2182 | ||
2183 | case IPP_TAG_TEXTLANG : | |
2184 | case IPP_TAG_NAMELANG : | |
2185 | for (i = 0, value = attr->values; | |
2186 | i < attr->num_values; | |
2187 | i ++, value ++) | |
2188 | { | |
2189 | if (i) | |
2190 | { | |
2191 | /* | |
2192 | * Arrays and sets are done by sending additional | |
2193 | * values with a zero-length name... | |
2194 | */ | |
2195 | ||
2196 | if ((sizeof(buffer) - (bufptr - buffer)) < 3) | |
2197 | { | |
2198 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2199 | { | |
89d46774 | 2200 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); |
ef416fc2 | 2201 | return (IPP_ERROR); |
2202 | } | |
2203 | ||
2204 | bufptr = buffer; | |
2205 | } | |
2206 | ||
2207 | *bufptr++ = attr->value_tag; | |
2208 | *bufptr++ = 0; | |
2209 | *bufptr++ = 0; | |
2210 | } | |
2211 | ||
2212 | /* | |
2213 | * textWithLanguage and nameWithLanguage values consist | |
2214 | * of a 2-byte length for both strings and their | |
2215 | * individual lengths, a 2-byte length for the | |
2216 | * character string, the character string without the | |
2217 | * trailing nul, a 2-byte length for the character | |
2218 | * set string, and the character set string without | |
2219 | * the trailing nul. | |
2220 | */ | |
2221 | ||
2222 | n = 4; | |
2223 | ||
2224 | if (value->string.charset != NULL) | |
b86bc4cf | 2225 | n += (int)strlen(value->string.charset); |
ef416fc2 | 2226 | |
2227 | if (value->string.text != NULL) | |
b86bc4cf | 2228 | n += (int)strlen(value->string.text); |
ef416fc2 | 2229 | |
2230 | if (n > (sizeof(buffer) - 2)) | |
2231 | return (IPP_ERROR); | |
2232 | ||
2233 | if ((int)(sizeof(buffer) - (bufptr - buffer)) < (n + 2)) | |
2234 | { | |
2235 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2236 | { | |
89d46774 | 2237 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); |
ef416fc2 | 2238 | return (IPP_ERROR); |
2239 | } | |
2240 | ||
2241 | bufptr = buffer; | |
2242 | } | |
2243 | ||
2244 | /* Length of entire value */ | |
2245 | *bufptr++ = n >> 8; | |
2246 | *bufptr++ = n; | |
2247 | ||
2248 | /* Length of charset */ | |
2249 | if (value->string.charset != NULL) | |
2250 | n = (int)strlen(value->string.charset); | |
2251 | else | |
2252 | n = 0; | |
2253 | ||
2254 | *bufptr++ = n >> 8; | |
2255 | *bufptr++ = n; | |
2256 | ||
2257 | /* Charset */ | |
2258 | if (n > 0) | |
2259 | { | |
2260 | memcpy(bufptr, value->string.charset, n); | |
2261 | bufptr += n; | |
2262 | } | |
2263 | ||
2264 | /* Length of text */ | |
2265 | if (value->string.text != NULL) | |
2266 | n = (int)strlen(value->string.text); | |
2267 | else | |
2268 | n = 0; | |
2269 | ||
2270 | *bufptr++ = n >> 8; | |
2271 | *bufptr++ = n; | |
2272 | ||
2273 | /* Text */ | |
2274 | if (n > 0) | |
2275 | { | |
2276 | memcpy(bufptr, value->string.text, n); | |
2277 | bufptr += n; | |
2278 | } | |
2279 | } | |
2280 | break; | |
2281 | ||
2282 | case IPP_TAG_BEGIN_COLLECTION : | |
2283 | for (i = 0, value = attr->values; | |
2284 | i < attr->num_values; | |
2285 | i ++, value ++) | |
2286 | { | |
2287 | /* | |
2288 | * Collections are written with the begin-collection | |
2289 | * tag first with a value of 0 length, followed by the | |
2290 | * attributes in the collection, then the end-collection | |
2291 | * value... | |
2292 | */ | |
2293 | ||
2294 | if ((sizeof(buffer) - (bufptr - buffer)) < 5) | |
2295 | { | |
2296 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2297 | { | |
89d46774 | 2298 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); |
ef416fc2 | 2299 | return (IPP_ERROR); |
2300 | } | |
2301 | ||
2302 | bufptr = buffer; | |
2303 | } | |
2304 | ||
2305 | if (i) | |
2306 | { | |
2307 | /* | |
2308 | * Arrays and sets are done by sending additional | |
2309 | * values with a zero-length name... | |
2310 | */ | |
2311 | ||
2312 | *bufptr++ = attr->value_tag; | |
2313 | *bufptr++ = 0; | |
2314 | *bufptr++ = 0; | |
2315 | } | |
2316 | ||
2317 | /* | |
2318 | * Write a data length of 0 and flush the buffer... | |
2319 | */ | |
2320 | ||
2321 | *bufptr++ = 0; | |
2322 | *bufptr++ = 0; | |
2323 | ||
2324 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2325 | { | |
89d46774 | 2326 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); |
ef416fc2 | 2327 | return (IPP_ERROR); |
2328 | } | |
2329 | ||
2330 | bufptr = buffer; | |
2331 | ||
2332 | /* | |
2333 | * Then write the collection attribute... | |
2334 | */ | |
2335 | ||
2336 | value->collection->state = IPP_IDLE; | |
2337 | ||
2338 | if (ippWriteIO(dst, cb, 1, ipp, value->collection) == IPP_ERROR) | |
2339 | return (IPP_ERROR); | |
2340 | } | |
2341 | break; | |
2342 | ||
2343 | default : | |
2344 | for (i = 0, value = attr->values; | |
2345 | i < attr->num_values; | |
2346 | i ++, value ++) | |
2347 | { | |
2348 | if (i) | |
2349 | { | |
2350 | /* | |
2351 | * Arrays and sets are done by sending additional | |
2352 | * values with a zero-length name... | |
2353 | */ | |
2354 | ||
2355 | if ((sizeof(buffer) - (bufptr - buffer)) < 3) | |
2356 | { | |
2357 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2358 | { | |
89d46774 | 2359 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); |
ef416fc2 | 2360 | return (IPP_ERROR); |
2361 | } | |
2362 | ||
2363 | bufptr = buffer; | |
2364 | } | |
2365 | ||
2366 | *bufptr++ = attr->value_tag; | |
2367 | *bufptr++ = 0; | |
2368 | *bufptr++ = 0; | |
2369 | } | |
2370 | ||
2371 | /* | |
2372 | * An unknown value might some new value that a | |
2373 | * vendor has come up with. It consists of a | |
2374 | * 2-byte length and the bytes in the unknown | |
2375 | * value buffer. | |
2376 | */ | |
2377 | ||
2378 | n = value->unknown.length; | |
2379 | ||
2380 | if (n > (sizeof(buffer) - 2)) | |
2381 | return (IPP_ERROR); | |
2382 | ||
2383 | if ((int)(sizeof(buffer) - (bufptr - buffer)) < (n + 2)) | |
2384 | { | |
2385 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2386 | { | |
89d46774 | 2387 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); |
ef416fc2 | 2388 | return (IPP_ERROR); |
2389 | } | |
2390 | ||
2391 | bufptr = buffer; | |
2392 | } | |
2393 | ||
2394 | /* Length of unknown value */ | |
2395 | *bufptr++ = n >> 8; | |
2396 | *bufptr++ = n; | |
2397 | ||
2398 | /* Value */ | |
2399 | if (n > 0) | |
2400 | { | |
2401 | memcpy(bufptr, value->unknown.data, n); | |
2402 | bufptr += n; | |
2403 | } | |
2404 | } | |
2405 | break; | |
2406 | } | |
2407 | ||
2408 | /* | |
2409 | * Write the data out... | |
2410 | */ | |
2411 | ||
2412 | if ((*cb)(dst, buffer, (int)(bufptr - buffer)) < 0) | |
2413 | { | |
89d46774 | 2414 | DEBUG_puts("ippWriteIO: Could not write IPP attribute..."); |
ef416fc2 | 2415 | return (IPP_ERROR); |
2416 | } | |
2417 | ||
89d46774 | 2418 | DEBUG_printf(("ippWriteIO: wrote %d bytes\n", bufptr - buffer)); |
ef416fc2 | 2419 | |
2420 | /* | |
2421 | * If blocking is disabled, stop here... | |
2422 | */ | |
2423 | ||
2424 | if (!blocking) | |
2425 | break; | |
2426 | } | |
2427 | ||
2428 | if (ipp->current == NULL) | |
2429 | { | |
2430 | /* | |
2431 | * Done with all of the attributes; add the end-of-attributes | |
2432 | * tag or end-collection attribute... | |
2433 | */ | |
2434 | ||
2435 | if (parent == NULL) | |
2436 | { | |
2437 | buffer[0] = IPP_TAG_END; | |
2438 | n = 1; | |
2439 | } | |
2440 | else | |
2441 | { | |
2442 | buffer[0] = IPP_TAG_END_COLLECTION; | |
2443 | buffer[1] = 0; /* empty name */ | |
2444 | buffer[2] = 0; | |
2445 | buffer[3] = 0; /* empty value */ | |
2446 | buffer[4] = 0; | |
2447 | n = 5; | |
2448 | } | |
2449 | ||
2450 | if ((*cb)(dst, buffer, n) < 0) | |
2451 | { | |
89d46774 | 2452 | DEBUG_puts("ippWriteIO: Could not write IPP end-tag..."); |
ef416fc2 | 2453 | return (IPP_ERROR); |
2454 | } | |
2455 | ||
2456 | ipp->state = IPP_DATA; | |
2457 | } | |
2458 | break; | |
2459 | ||
2460 | case IPP_DATA : | |
2461 | break; | |
2462 | ||
2463 | default : | |
2464 | break; /* anti-compiler-warning-code */ | |
2465 | } | |
2466 | ||
2467 | return (ipp->state); | |
2468 | } | |
2469 | ||
2470 | ||
2471 | /* | |
757d2cad | 2472 | * '_ippAddAttr()' - Add a new attribute to the request. |
ef416fc2 | 2473 | */ |
2474 | ||
2475 | ipp_attribute_t * /* O - New attribute */ | |
80ca4592 | 2476 | _ippAddAttr(ipp_t *ipp, /* I - IPP message */ |
2477 | int num_values) /* I - Number of values */ | |
ef416fc2 | 2478 | { |
2479 | ipp_attribute_t *attr; /* New attribute */ | |
2480 | ||
2481 | ||
757d2cad | 2482 | DEBUG_printf(("_ippAddAttr(%p, %d)\n", ipp, num_values)); |
ef416fc2 | 2483 | |
2484 | if (ipp == NULL || num_values < 0) | |
2485 | return (NULL); | |
2486 | ||
2487 | attr = calloc(sizeof(ipp_attribute_t) + | |
2488 | (num_values - 1) * sizeof(ipp_value_t), 1); | |
2489 | ||
ef416fc2 | 2490 | if (attr != NULL) |
2491 | { | |
fa73b229 | 2492 | attr->num_values = num_values; |
2493 | ||
ef416fc2 | 2494 | if (ipp->last == NULL) |
2495 | ipp->attrs = attr; | |
2496 | else | |
2497 | ipp->last->next = attr; | |
2498 | ||
2499 | ipp->last = attr; | |
2500 | } | |
2501 | ||
757d2cad | 2502 | DEBUG_printf(("_ippAddAttr(): %p\n", attr)); |
ef416fc2 | 2503 | |
2504 | return (attr); | |
2505 | } | |
2506 | ||
2507 | ||
2508 | /* | |
757d2cad | 2509 | * '_ippFreeAttr()' - Free an attribute. |
ef416fc2 | 2510 | */ |
2511 | ||
2512 | void | |
757d2cad | 2513 | _ippFreeAttr(ipp_attribute_t *attr) /* I - Attribute to free */ |
ef416fc2 | 2514 | { |
2515 | int i; /* Looping var */ | |
2516 | ipp_value_t *value; /* Current value */ | |
2517 | ||
2518 | ||
757d2cad | 2519 | DEBUG_printf(("_ippFreeAttr(): %p\n", attr)); |
ef416fc2 | 2520 | |
2521 | switch (attr->value_tag) | |
2522 | { | |
2523 | case IPP_TAG_TEXT : | |
2524 | case IPP_TAG_NAME : | |
2525 | case IPP_TAG_KEYWORD : | |
ef416fc2 | 2526 | case IPP_TAG_URI : |
2527 | case IPP_TAG_URISCHEME : | |
2528 | case IPP_TAG_CHARSET : | |
2529 | case IPP_TAG_LANGUAGE : | |
2530 | case IPP_TAG_MIMETYPE : | |
2531 | for (i = 0, value = attr->values; | |
2532 | i < attr->num_values; | |
2533 | i ++, value ++) | |
757d2cad | 2534 | _cupsStrFree(value->string.text); |
ef416fc2 | 2535 | break; |
2536 | ||
2537 | case IPP_TAG_TEXTLANG : | |
2538 | case IPP_TAG_NAMELANG : | |
2539 | for (i = 0, value = attr->values; | |
2540 | i < attr->num_values; | |
2541 | i ++, value ++) | |
2542 | { | |
2543 | if (value->string.charset && i == 0) | |
757d2cad | 2544 | _cupsStrFree(value->string.charset); |
2545 | _cupsStrFree(value->string.text); | |
ef416fc2 | 2546 | } |
2547 | break; | |
2548 | ||
4400e98d | 2549 | case IPP_TAG_INTEGER : |
2550 | case IPP_TAG_ENUM : | |
2551 | case IPP_TAG_BOOLEAN : | |
2552 | case IPP_TAG_DATE : | |
2553 | case IPP_TAG_RESOLUTION : | |
2554 | case IPP_TAG_RANGE : | |
2555 | break; | |
2556 | ||
2557 | case IPP_TAG_BEGIN_COLLECTION : | |
2558 | for (i = 0, value = attr->values; | |
2559 | i < attr->num_values; | |
2560 | i ++, value ++) | |
2561 | ippDelete(value->collection); | |
2562 | break; | |
2563 | ||
5a738aea MS |
2564 | case IPP_TAG_STRING : |
2565 | for (i = 0, value = attr->values; | |
2566 | i < attr->num_values; | |
2567 | i ++, value ++) | |
2568 | free(value->unknown.data); | |
2569 | break; | |
2570 | ||
ef416fc2 | 2571 | default : |
4400e98d | 2572 | if (!((int)attr->value_tag & IPP_TAG_COPY)) |
2573 | { | |
2574 | for (i = 0, value = attr->values; | |
2575 | i < attr->num_values; | |
2576 | i ++, value ++) | |
2577 | if (value->unknown.data) | |
2578 | free(value->unknown.data); | |
2579 | } | |
2580 | break; | |
ef416fc2 | 2581 | } |
2582 | ||
fa73b229 | 2583 | if (attr->name) |
757d2cad | 2584 | _cupsStrFree(attr->name); |
ef416fc2 | 2585 | |
2586 | free(attr); | |
2587 | } | |
2588 | ||
2589 | ||
2590 | /* | |
2591 | * 'ipp_length()' - Compute the length of an IPP message or collection value. | |
2592 | */ | |
2593 | ||
2594 | static size_t /* O - Size of IPP message */ | |
2595 | ipp_length(ipp_t *ipp, /* I - IPP message or collection */ | |
2596 | int collection) /* I - 1 if a collection, 0 otherwise */ | |
2597 | { | |
2598 | int i; /* Looping var */ | |
2599 | int bytes; /* Number of bytes */ | |
2600 | ipp_attribute_t *attr; /* Current attribute */ | |
2601 | ipp_tag_t group; /* Current group */ | |
2602 | ipp_value_t *value; /* Current value */ | |
2603 | ||
2604 | ||
2605 | if (ipp == NULL) | |
2606 | return (0); | |
2607 | ||
2608 | /* | |
2609 | * Start with 8 bytes for the IPP message header... | |
2610 | */ | |
2611 | ||
2612 | bytes = collection ? 0 : 8; | |
2613 | ||
2614 | /* | |
2615 | * Then add the lengths of each attribute... | |
2616 | */ | |
2617 | ||
2618 | group = IPP_TAG_ZERO; | |
2619 | ||
2620 | for (attr = ipp->attrs; attr != NULL; attr = attr->next) | |
2621 | { | |
2622 | if (attr->group_tag != group && !collection) | |
2623 | { | |
2624 | group = attr->group_tag; | |
2625 | if (group == IPP_TAG_ZERO) | |
2626 | continue; | |
2627 | ||
2628 | bytes ++; /* Group tag */ | |
2629 | } | |
2630 | ||
2631 | if (!attr->name) | |
2632 | continue; | |
2633 | ||
2634 | DEBUG_printf(("attr->name = %s, attr->num_values = %d, bytes = %d\n", | |
2635 | attr->name, attr->num_values, bytes)); | |
2636 | ||
b86bc4cf | 2637 | bytes += (int)strlen(attr->name); /* Name */ |
ef416fc2 | 2638 | bytes += attr->num_values; /* Value tag for each value */ |
2639 | bytes += 2 * attr->num_values; /* Name lengths */ | |
2640 | bytes += 2 * attr->num_values; /* Value lengths */ | |
2641 | ||
2642 | if (collection) | |
2643 | bytes += 5; /* Add membername overhead */ | |
2644 | ||
2645 | switch (attr->value_tag & ~IPP_TAG_COPY) | |
2646 | { | |
2647 | case IPP_TAG_INTEGER : | |
2648 | case IPP_TAG_ENUM : | |
2649 | bytes += 4 * attr->num_values; | |
2650 | break; | |
2651 | ||
2652 | case IPP_TAG_BOOLEAN : | |
2653 | bytes += attr->num_values; | |
2654 | break; | |
2655 | ||
2656 | case IPP_TAG_TEXT : | |
2657 | case IPP_TAG_NAME : | |
2658 | case IPP_TAG_KEYWORD : | |
ef416fc2 | 2659 | case IPP_TAG_URI : |
2660 | case IPP_TAG_URISCHEME : | |
2661 | case IPP_TAG_CHARSET : | |
2662 | case IPP_TAG_LANGUAGE : | |
2663 | case IPP_TAG_MIMETYPE : | |
2664 | for (i = 0, value = attr->values; | |
2665 | i < attr->num_values; | |
2666 | i ++, value ++) | |
2667 | if (value->string.text != NULL) | |
b86bc4cf | 2668 | bytes += (int)strlen(value->string.text); |
ef416fc2 | 2669 | break; |
2670 | ||
2671 | case IPP_TAG_DATE : | |
2672 | bytes += 11 * attr->num_values; | |
2673 | break; | |
2674 | ||
2675 | case IPP_TAG_RESOLUTION : | |
2676 | bytes += 9 * attr->num_values; | |
2677 | break; | |
2678 | ||
2679 | case IPP_TAG_RANGE : | |
2680 | bytes += 8 * attr->num_values; | |
2681 | break; | |
2682 | ||
2683 | case IPP_TAG_TEXTLANG : | |
2684 | case IPP_TAG_NAMELANG : | |
2685 | bytes += 4 * attr->num_values;/* Charset + text length */ | |
2686 | ||
2687 | for (i = 0, value = attr->values; | |
2688 | i < attr->num_values; | |
2689 | i ++, value ++) | |
2690 | { | |
2691 | if (value->string.charset != NULL) | |
b86bc4cf | 2692 | bytes += (int)strlen(value->string.charset); |
ef416fc2 | 2693 | |
2694 | if (value->string.text != NULL) | |
b86bc4cf | 2695 | bytes += (int)strlen(value->string.text); |
ef416fc2 | 2696 | } |
2697 | break; | |
2698 | ||
2699 | case IPP_TAG_BEGIN_COLLECTION : | |
2700 | for (i = 0, value = attr->values; | |
2701 | i < attr->num_values; | |
2702 | i ++, value ++) | |
b86bc4cf | 2703 | bytes += (int)ipp_length(value->collection, 1); |
ef416fc2 | 2704 | break; |
2705 | ||
2706 | default : | |
2707 | for (i = 0, value = attr->values; | |
2708 | i < attr->num_values; | |
2709 | i ++, value ++) | |
4400e98d | 2710 | bytes += value->unknown.length; |
ef416fc2 | 2711 | break; |
2712 | } | |
2713 | } | |
2714 | ||
2715 | /* | |
2716 | * Finally, add 1 byte for the "end of attributes" tag or 5 bytes | |
2717 | * for the "end of collection" tag and return... | |
2718 | */ | |
2719 | ||
2720 | if (collection) | |
2721 | bytes += 5; | |
2722 | else | |
2723 | bytes ++; | |
2724 | ||
2725 | DEBUG_printf(("bytes = %d\n", bytes)); | |
2726 | ||
2727 | return (bytes); | |
2728 | } | |
2729 | ||
2730 | ||
2731 | /* | |
2732 | * 'ipp_read_http()' - Semi-blocking read on a HTTP connection... | |
2733 | */ | |
2734 | ||
a4d04587 | 2735 | static ssize_t /* O - Number of bytes read */ |
ef416fc2 | 2736 | ipp_read_http(http_t *http, /* I - Client connection */ |
2737 | ipp_uchar_t *buffer, /* O - Buffer for data */ | |
a4d04587 | 2738 | size_t length) /* I - Total length */ |
ef416fc2 | 2739 | { |
2740 | int tbytes, /* Total bytes read */ | |
2741 | bytes; /* Bytes read this pass */ | |
2742 | char len[32]; /* Length string */ | |
2743 | ||
2744 | ||
2745 | DEBUG_printf(("ipp_read_http(http=%p, buffer=%p, length=%d)\n", | |
2746 | http, buffer, length)); | |
2747 | ||
2748 | /* | |
2749 | * Loop until all bytes are read... | |
2750 | */ | |
2751 | ||
b86bc4cf | 2752 | for (tbytes = 0, bytes = 0; tbytes < (int)length; tbytes += bytes, buffer += bytes) |
ef416fc2 | 2753 | { |
2754 | DEBUG_printf(("tbytes = %d, http->state = %d\n", tbytes, http->state)); | |
2755 | ||
2756 | if (http->state == HTTP_WAITING) | |
2757 | break; | |
2758 | ||
2759 | if (http->used > 0 && http->data_encoding == HTTP_ENCODE_LENGTH) | |
2760 | { | |
2761 | /* | |
2762 | * Do "fast read" from HTTP buffer directly... | |
2763 | */ | |
2764 | ||
b86bc4cf | 2765 | if (http->used > (int)(length - tbytes)) |
2766 | bytes = (int)(length - tbytes); | |
ef416fc2 | 2767 | else |
2768 | bytes = http->used; | |
2769 | ||
2770 | if (bytes == 1) | |
2771 | buffer[0] = http->buffer[0]; | |
2772 | else | |
2773 | memcpy(buffer, http->buffer, bytes); | |
2774 | ||
2775 | http->used -= bytes; | |
2776 | http->data_remaining -= bytes; | |
2777 | ||
2778 | if (http->data_remaining <= INT_MAX) | |
2779 | http->_data_remaining = (int)http->data_remaining; | |
2780 | else | |
2781 | http->_data_remaining = INT_MAX; | |
2782 | ||
2783 | if (http->used > 0) | |
2784 | memmove(http->buffer, http->buffer + bytes, http->used); | |
2785 | ||
2786 | if (http->data_remaining == 0) | |
2787 | { | |
2788 | if (http->data_encoding == HTTP_ENCODE_CHUNKED) | |
2789 | { | |
2790 | /* | |
2791 | * Get the trailing CR LF after the chunk... | |
2792 | */ | |
2793 | ||
2794 | if (!httpGets(len, sizeof(len), http)) | |
2795 | return (-1); | |
2796 | } | |
2797 | ||
2798 | if (http->data_encoding != HTTP_ENCODE_CHUNKED) | |
2799 | { | |
2800 | if (http->state == HTTP_POST_RECV) | |
2801 | http->state ++; | |
2802 | else | |
2803 | http->state = HTTP_WAITING; | |
2804 | } | |
2805 | } | |
2806 | } | |
2807 | else | |
2808 | { | |
2809 | /* | |
2810 | * Wait a maximum of 1 second for data... | |
2811 | */ | |
2812 | ||
2813 | if (!http->blocking) | |
2814 | { | |
2815 | /* | |
ed486911 | 2816 | * Wait up to 10 seconds for more data on non-blocking sockets... |
ef416fc2 | 2817 | */ |
2818 | ||
ed486911 | 2819 | if (!httpWait(http, 10000)) |
ef416fc2 | 2820 | { |
2821 | /* | |
2822 | * Signal no data... | |
2823 | */ | |
2824 | ||
2825 | bytes = -1; | |
2826 | break; | |
2827 | } | |
2828 | } | |
2829 | ||
a4d04587 | 2830 | if ((bytes = httpRead2(http, (char *)buffer, length - tbytes)) <= 0) |
ef416fc2 | 2831 | break; |
2832 | } | |
2833 | } | |
2834 | ||
2835 | /* | |
2836 | * Return the number of bytes read... | |
2837 | */ | |
2838 | ||
2839 | if (tbytes == 0 && bytes < 0) | |
2840 | tbytes = -1; | |
2841 | ||
2842 | DEBUG_printf(("returning %d bytes...\n", tbytes)); | |
2843 | ||
2844 | return (tbytes); | |
2845 | } | |
2846 | ||
2847 | ||
2848 | /* | |
2849 | * 'ipp_read_file()' - Read IPP data from a file. | |
2850 | */ | |
2851 | ||
a4d04587 | 2852 | static ssize_t /* O - Number of bytes read */ |
ef416fc2 | 2853 | ipp_read_file(int *fd, /* I - File descriptor */ |
2854 | ipp_uchar_t *buffer, /* O - Read buffer */ | |
a4d04587 | 2855 | size_t length) /* I - Number of bytes to read */ |
ef416fc2 | 2856 | { |
b86bc4cf | 2857 | #ifdef WIN32 |
2858 | return ((ssize_t)read(*fd, buffer, (unsigned)length)); | |
2859 | #else | |
ef416fc2 | 2860 | return (read(*fd, buffer, length)); |
b86bc4cf | 2861 | #endif /* WIN32 */ |
ef416fc2 | 2862 | } |
2863 | ||
2864 | ||
2865 | /* | |
2866 | * 'ipp_write_file()' - Write IPP data to a file. | |
2867 | */ | |
2868 | ||
a4d04587 | 2869 | static ssize_t /* O - Number of bytes written */ |
ef416fc2 | 2870 | ipp_write_file(int *fd, /* I - File descriptor */ |
2871 | ipp_uchar_t *buffer, /* I - Data to write */ | |
a4d04587 | 2872 | size_t length) /* I - Number of bytes to write */ |
ef416fc2 | 2873 | { |
b86bc4cf | 2874 | #ifdef WIN32 |
2875 | return ((ssize_t)write(*fd, buffer, (unsigned)length)); | |
2876 | #else | |
ef416fc2 | 2877 | return (write(*fd, buffer, length)); |
b86bc4cf | 2878 | #endif /* WIN32 */ |
ef416fc2 | 2879 | } |
2880 | ||
2881 | ||
80ca4592 | 2882 | #ifdef __linux |
ef416fc2 | 2883 | /* |
80ca4592 | 2884 | * The following symbol definitions are provided only for KDE |
2885 | * compatibility during the CUPS 1.2 testing period and will be | |
2886 | * removed in a future release of CUPS. These are PRIVATE APIs | |
2887 | * from CUPS 1.1.x that the KDE developers chose to use... | |
2888 | */ | |
2889 | ||
2890 | ipp_attribute_t * /* O - New attribute */ | |
89d46774 | 2891 | _ipp_add_attr(ipp_t *ipp, /* I - IPP message */ |
2892 | int num_values) /* I - Number of values */ | |
80ca4592 | 2893 | { |
2894 | return (_ippAddAttr(ipp, num_values)); | |
2895 | } | |
2896 | ||
2897 | void | |
89d46774 | 2898 | _ipp_free_attr(ipp_attribute_t *attr) /* I - Attribute to free */ |
80ca4592 | 2899 | { |
2900 | _ippFreeAttr(attr); | |
2901 | } | |
2902 | #endif /* __linux */ | |
2903 | ||
2904 | ||
2905 | /* | |
bc44d920 | 2906 | * End of "$Id: ipp.c 6649 2007-07-11 21:46:42Z mike $". |
ef416fc2 | 2907 | */ |