Bryan Ferris | 7d91941 | 2019-07-17 12:18:10 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Internet Printing Protocol functions for CUPS. |
| 3 | * |
| 4 | * Copyright 2007-2017 by Apple Inc. |
| 5 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
| 6 | * |
| 7 | * These coded instructions, statements, and computer programs are the |
| 8 | * property of Apple Inc. and are protected by Federal copyright |
| 9 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" |
| 10 | * which should have been included with this file. If this file is |
| 11 | * missing or damaged, see the license at "http://www.cups.org/". |
| 12 | * |
| 13 | * This file is subject to the Apple OS-Developed Software exception. |
| 14 | */ |
| 15 | |
| 16 | /* |
| 17 | * Include necessary headers... |
| 18 | */ |
| 19 | |
| 20 | #include "cups-private.h" |
| 21 | #include <regex.h> |
| 22 | #ifdef WIN32 |
| 23 | # include <io.h> |
| 24 | #endif /* WIN32 */ |
| 25 | |
| 26 | |
| 27 | /* |
| 28 | * Local functions... |
| 29 | */ |
| 30 | |
| 31 | static ipp_attribute_t *ipp_add_attr(ipp_t *ipp, const char *name, |
| 32 | ipp_tag_t group_tag, ipp_tag_t value_tag, |
| 33 | int num_values); |
| 34 | static void ipp_free_values(ipp_attribute_t *attr, int element, |
| 35 | int count); |
| 36 | static char *ipp_get_code(const char *locale, char *buffer, |
| 37 | size_t bufsize) |
| 38 | __attribute__((nonnull(1,2))); |
| 39 | static char *ipp_lang_code(const char *locale, char *buffer, |
| 40 | size_t bufsize) |
| 41 | __attribute__((nonnull(1,2))); |
| 42 | static size_t ipp_length(ipp_t *ipp, int collection); |
| 43 | static ssize_t ipp_read_http(http_t *http, ipp_uchar_t *buffer, |
| 44 | size_t length); |
| 45 | static ssize_t ipp_read_file(int *fd, ipp_uchar_t *buffer, |
| 46 | size_t length); |
| 47 | static void ipp_set_error(ipp_status_t status, const char *format, |
| 48 | ...); |
| 49 | static _ipp_value_t *ipp_set_value(ipp_t *ipp, ipp_attribute_t **attr, |
| 50 | int element); |
| 51 | static ssize_t ipp_write_file(int *fd, ipp_uchar_t *buffer, |
| 52 | size_t length); |
| 53 | |
| 54 | |
| 55 | /* |
| 56 | * '_cupsBufferGet()' - Get a read/write buffer. |
| 57 | */ |
| 58 | |
| 59 | char * /* O - Buffer */ |
| 60 | _cupsBufferGet(size_t size) /* I - Size required */ |
| 61 | { |
| 62 | _cups_buffer_t *buffer; /* Current buffer */ |
| 63 | _cups_globals_t *cg = _cupsGlobals(); |
| 64 | /* Global data */ |
| 65 | |
| 66 | |
| 67 | for (buffer = cg->cups_buffers; buffer; buffer = buffer->next) |
| 68 | if (!buffer->used && buffer->size >= size) |
| 69 | break; |
| 70 | |
| 71 | if (!buffer) |
| 72 | { |
| 73 | if ((buffer = malloc(sizeof(_cups_buffer_t) + size - 1)) == NULL) |
| 74 | return (NULL); |
| 75 | |
| 76 | buffer->next = cg->cups_buffers; |
| 77 | buffer->size = size; |
| 78 | cg->cups_buffers = buffer; |
| 79 | } |
| 80 | |
| 81 | buffer->used = 1; |
| 82 | |
| 83 | return (buffer->d); |
| 84 | } |
| 85 | |
| 86 | |
| 87 | /* |
| 88 | * '_cupsBufferRelease()' - Release a read/write buffer. |
| 89 | */ |
| 90 | |
| 91 | void |
| 92 | _cupsBufferRelease(char *b) /* I - Buffer to release */ |
| 93 | { |
| 94 | _cups_buffer_t *buffer; /* Buffer */ |
| 95 | |
| 96 | |
| 97 | /* |
| 98 | * Mark this buffer as unused... |
| 99 | */ |
| 100 | |
| 101 | buffer = (_cups_buffer_t *)(b - offsetof(_cups_buffer_t, d)); |
| 102 | buffer->used = 0; |
| 103 | } |
| 104 | |
| 105 | |
| 106 | /* |
| 107 | * 'ippAddBoolean()' - Add a boolean attribute to an IPP message. |
| 108 | * |
| 109 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 110 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 111 | * |
| 112 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 113 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 114 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 115 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 116 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 117 | */ |
| 118 | |
| 119 | ipp_attribute_t * /* O - New attribute */ |
| 120 | ippAddBoolean(ipp_t *ipp, /* I - IPP message */ |
| 121 | ipp_tag_t group, /* I - IPP group */ |
| 122 | const char *name, /* I - Name of attribute */ |
| 123 | char value) /* I - Value of attribute */ |
| 124 | { |
| 125 | ipp_attribute_t *attr; /* New attribute */ |
| 126 | |
| 127 | |
| 128 | DEBUG_printf(("ippAddBoolean(ipp=%p, group=%02x(%s), name=\"%s\", value=%d)", (void *)ipp, group, ippTagString(group), name, value)); |
| 129 | |
| 130 | /* |
| 131 | * Range check input... |
| 132 | */ |
| 133 | |
| 134 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 135 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) |
| 136 | return (NULL); |
| 137 | |
| 138 | /* |
| 139 | * Create the attribute... |
| 140 | */ |
| 141 | |
| 142 | if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BOOLEAN, 1)) == NULL) |
| 143 | return (NULL); |
| 144 | |
| 145 | attr->values[0].boolean = value; |
| 146 | |
| 147 | return (attr); |
| 148 | } |
| 149 | |
| 150 | |
| 151 | /* |
| 152 | * 'ippAddBooleans()' - Add an array of boolean values. |
| 153 | * |
| 154 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 155 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 156 | * |
| 157 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 158 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 159 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 160 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 161 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 162 | */ |
| 163 | |
| 164 | ipp_attribute_t * /* O - New attribute */ |
| 165 | ippAddBooleans(ipp_t *ipp, /* I - IPP message */ |
| 166 | ipp_tag_t group, /* I - IPP group */ |
| 167 | const char *name, /* I - Name of attribute */ |
| 168 | int num_values, /* I - Number of values */ |
| 169 | const char *values) /* I - Values */ |
| 170 | { |
| 171 | int i; /* Looping var */ |
| 172 | ipp_attribute_t *attr; /* New attribute */ |
| 173 | _ipp_value_t *value; /* Current value */ |
| 174 | |
| 175 | |
| 176 | DEBUG_printf(("ippAddBooleans(ipp=%p, group=%02x(%s), name=\"%s\", num_values=%d, values=%p)", (void *)ipp, group, ippTagString(group), name, num_values, (void *)values)); |
| 177 | |
| 178 | /* |
| 179 | * Range check input... |
| 180 | */ |
| 181 | |
| 182 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 183 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| 184 | num_values < 1) |
| 185 | return (NULL); |
| 186 | |
| 187 | /* |
| 188 | * Create the attribute... |
| 189 | */ |
| 190 | |
| 191 | if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BOOLEAN, num_values)) == NULL) |
| 192 | return (NULL); |
| 193 | |
| 194 | if (values) |
| 195 | { |
| 196 | for (i = num_values, value = attr->values; |
| 197 | i > 0; |
| 198 | i --, value ++) |
| 199 | value->boolean = *values++; |
| 200 | } |
| 201 | |
| 202 | return (attr); |
| 203 | } |
| 204 | |
| 205 | |
| 206 | /* |
| 207 | * 'ippAddCollection()' - Add a collection value. |
| 208 | * |
| 209 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 210 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 211 | * |
| 212 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 213 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 214 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 215 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 216 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 217 | * |
| 218 | * @since CUPS 1.1.19/macOS 10.3@ |
| 219 | */ |
| 220 | |
| 221 | ipp_attribute_t * /* O - New attribute */ |
| 222 | ippAddCollection(ipp_t *ipp, /* I - IPP message */ |
| 223 | ipp_tag_t group, /* I - IPP group */ |
| 224 | const char *name, /* I - Name of attribute */ |
| 225 | ipp_t *value) /* I - Value */ |
| 226 | { |
| 227 | ipp_attribute_t *attr; /* New attribute */ |
| 228 | |
| 229 | |
| 230 | DEBUG_printf(("ippAddCollection(ipp=%p, group=%02x(%s), name=\"%s\", value=%p)", (void *)ipp, group, ippTagString(group), name, (void *)value)); |
| 231 | |
| 232 | /* |
| 233 | * Range check input... |
| 234 | */ |
| 235 | |
| 236 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 237 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) |
| 238 | return (NULL); |
| 239 | |
| 240 | /* |
| 241 | * Create the attribute... |
| 242 | */ |
| 243 | |
| 244 | if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BEGIN_COLLECTION, 1)) == NULL) |
| 245 | return (NULL); |
| 246 | |
| 247 | attr->values[0].collection = value; |
| 248 | |
| 249 | if (value) |
| 250 | value->use ++; |
| 251 | |
| 252 | return (attr); |
| 253 | } |
| 254 | |
| 255 | |
| 256 | /* |
| 257 | * 'ippAddCollections()' - Add an array of collection values. |
| 258 | * |
| 259 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 260 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 261 | * |
| 262 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 263 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 264 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 265 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 266 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 267 | * |
| 268 | * @since CUPS 1.1.19/macOS 10.3@ |
| 269 | */ |
| 270 | |
| 271 | ipp_attribute_t * /* O - New attribute */ |
| 272 | ippAddCollections( |
| 273 | ipp_t *ipp, /* I - IPP message */ |
| 274 | ipp_tag_t group, /* I - IPP group */ |
| 275 | const char *name, /* I - Name of attribute */ |
| 276 | int num_values, /* I - Number of values */ |
| 277 | const ipp_t **values) /* I - Values */ |
| 278 | { |
| 279 | int i; /* Looping var */ |
| 280 | ipp_attribute_t *attr; /* New attribute */ |
| 281 | _ipp_value_t *value; /* Current value */ |
| 282 | |
| 283 | |
| 284 | DEBUG_printf(("ippAddCollections(ipp=%p, group=%02x(%s), name=\"%s\", num_values=%d, values=%p)", (void *)ipp, group, ippTagString(group), name, num_values, (void *)values)); |
| 285 | |
| 286 | /* |
| 287 | * Range check input... |
| 288 | */ |
| 289 | |
| 290 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 291 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| 292 | num_values < 1) |
| 293 | return (NULL); |
| 294 | |
| 295 | /* |
| 296 | * Create the attribute... |
| 297 | */ |
| 298 | |
| 299 | if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BEGIN_COLLECTION, |
| 300 | num_values)) == NULL) |
| 301 | return (NULL); |
| 302 | |
| 303 | if (values) |
| 304 | { |
| 305 | for (i = num_values, value = attr->values; |
| 306 | i > 0; |
| 307 | i --, value ++) |
| 308 | { |
| 309 | value->collection = (ipp_t *)*values++; |
| 310 | value->collection->use ++; |
| 311 | } |
| 312 | } |
| 313 | |
| 314 | return (attr); |
| 315 | } |
| 316 | |
| 317 | |
| 318 | /* |
| 319 | * 'ippAddDate()' - Add a dateTime attribute to an IPP message. |
| 320 | * |
| 321 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 322 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 323 | * |
| 324 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 325 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 326 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 327 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 328 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 329 | */ |
| 330 | |
| 331 | ipp_attribute_t * /* O - New attribute */ |
| 332 | ippAddDate(ipp_t *ipp, /* I - IPP message */ |
| 333 | ipp_tag_t group, /* I - IPP group */ |
| 334 | const char *name, /* I - Name of attribute */ |
| 335 | const ipp_uchar_t *value) /* I - Value */ |
| 336 | { |
| 337 | ipp_attribute_t *attr; /* New attribute */ |
| 338 | |
| 339 | |
| 340 | DEBUG_printf(("ippAddDate(ipp=%p, group=%02x(%s), name=\"%s\", value=%p)", (void *)ipp, group, ippTagString(group), name, (void *)value)); |
| 341 | |
| 342 | /* |
| 343 | * Range check input... |
| 344 | */ |
| 345 | |
| 346 | if (!ipp || !name || !value || group < IPP_TAG_ZERO || |
| 347 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) |
| 348 | return (NULL); |
| 349 | |
| 350 | /* |
| 351 | * Create the attribute... |
| 352 | */ |
| 353 | |
| 354 | if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_DATE, 1)) == NULL) |
| 355 | return (NULL); |
| 356 | |
| 357 | memcpy(attr->values[0].date, value, 11); |
| 358 | |
| 359 | return (attr); |
| 360 | } |
| 361 | |
| 362 | |
| 363 | /* |
| 364 | * 'ippAddInteger()' - Add a integer attribute to an IPP message. |
| 365 | * |
| 366 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 367 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 368 | * |
| 369 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 370 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 371 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 372 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 373 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 374 | * |
| 375 | * Supported values include enum (@code IPP_TAG_ENUM@) and integer |
| 376 | * (@code IPP_TAG_INTEGER@). |
| 377 | */ |
| 378 | |
| 379 | ipp_attribute_t * /* O - New attribute */ |
| 380 | ippAddInteger(ipp_t *ipp, /* I - IPP message */ |
| 381 | ipp_tag_t group, /* I - IPP group */ |
| 382 | ipp_tag_t value_tag, /* I - Type of attribute */ |
| 383 | const char *name, /* I - Name of attribute */ |
| 384 | int value) /* I - Value of attribute */ |
| 385 | { |
| 386 | ipp_attribute_t *attr; /* New attribute */ |
| 387 | |
| 388 | |
| 389 | DEBUG_printf(("ippAddInteger(ipp=%p, group=%02x(%s), type=%02x(%s), name=\"%s\", value=%d)", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, value)); |
| 390 | |
| 391 | value_tag &= IPP_TAG_CUPS_MASK; |
| 392 | |
| 393 | /* |
| 394 | * Special-case for legacy usage: map out-of-band attributes to new ippAddOutOfBand |
| 395 | * function... |
| 396 | */ |
| 397 | |
| 398 | if (value_tag >= IPP_TAG_UNSUPPORTED_VALUE && value_tag <= IPP_TAG_ADMINDEFINE) |
| 399 | return (ippAddOutOfBand(ipp, group, value_tag, name)); |
| 400 | |
| 401 | /* |
| 402 | * Range check input... |
| 403 | */ |
| 404 | |
| 405 | #if 0 |
| 406 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 407 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| 408 | (value_tag != IPP_TAG_INTEGER && value_tag != IPP_TAG_ENUM)) |
| 409 | return (NULL); |
| 410 | #else |
| 411 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 412 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) |
| 413 | return (NULL); |
| 414 | #endif /* 0 */ |
| 415 | |
| 416 | /* |
| 417 | * Create the attribute... |
| 418 | */ |
| 419 | |
| 420 | if ((attr = ipp_add_attr(ipp, name, group, value_tag, 1)) == NULL) |
| 421 | return (NULL); |
| 422 | |
| 423 | attr->values[0].integer = value; |
| 424 | |
| 425 | return (attr); |
| 426 | } |
| 427 | |
| 428 | |
| 429 | /* |
| 430 | * 'ippAddIntegers()' - Add an array of integer values. |
| 431 | * |
| 432 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 433 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 434 | * |
| 435 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 436 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 437 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 438 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 439 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 440 | * |
| 441 | * Supported values include enum (@code IPP_TAG_ENUM@) and integer |
| 442 | * (@code IPP_TAG_INTEGER@). |
| 443 | */ |
| 444 | |
| 445 | ipp_attribute_t * /* O - New attribute */ |
| 446 | ippAddIntegers(ipp_t *ipp, /* I - IPP message */ |
| 447 | ipp_tag_t group, /* I - IPP group */ |
| 448 | ipp_tag_t value_tag, /* I - Type of attribute */ |
| 449 | const char *name, /* I - Name of attribute */ |
| 450 | int num_values, /* I - Number of values */ |
| 451 | const int *values) /* I - Values */ |
| 452 | { |
| 453 | int i; /* Looping var */ |
| 454 | ipp_attribute_t *attr; /* New attribute */ |
| 455 | _ipp_value_t *value; /* Current value */ |
| 456 | |
| 457 | |
| 458 | DEBUG_printf(("ippAddIntegers(ipp=%p, group=%02x(%s), type=%02x(%s), name=\"%s\", num_values=%d, values=%p)", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, num_values, (void *)values)); |
| 459 | |
| 460 | value_tag &= IPP_TAG_CUPS_MASK; |
| 461 | |
| 462 | /* |
| 463 | * Range check input... |
| 464 | */ |
| 465 | |
| 466 | #if 0 |
| 467 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 468 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| 469 | (value_tag != IPP_TAG_INTEGER && value_tag != IPP_TAG_ENUM) || |
| 470 | num_values < 1) |
| 471 | return (NULL); |
| 472 | #else |
| 473 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 474 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| 475 | num_values < 1) |
| 476 | return (NULL); |
| 477 | #endif /* 0 */ |
| 478 | |
| 479 | /* |
| 480 | * Create the attribute... |
| 481 | */ |
| 482 | |
| 483 | if ((attr = ipp_add_attr(ipp, name, group, value_tag, num_values)) == NULL) |
| 484 | return (NULL); |
| 485 | |
| 486 | if (values) |
| 487 | { |
| 488 | for (i = num_values, value = attr->values; |
| 489 | i > 0; |
| 490 | i --, value ++) |
| 491 | value->integer = *values++; |
| 492 | } |
| 493 | |
| 494 | return (attr); |
| 495 | } |
| 496 | |
| 497 | |
| 498 | /* |
| 499 | * 'ippAddOctetString()' - Add an octetString value to an IPP message. |
| 500 | * |
| 501 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 502 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 503 | * |
| 504 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 505 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 506 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 507 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 508 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 509 | * |
| 510 | * @since CUPS 1.2/macOS 10.5@ |
| 511 | */ |
| 512 | |
| 513 | ipp_attribute_t * /* O - New attribute */ |
| 514 | ippAddOctetString(ipp_t *ipp, /* I - IPP message */ |
| 515 | ipp_tag_t group, /* I - IPP group */ |
| 516 | const char *name, /* I - Name of attribute */ |
| 517 | const void *data, /* I - octetString data */ |
| 518 | int datalen) /* I - Length of data in bytes */ |
| 519 | { |
| 520 | ipp_attribute_t *attr; /* New attribute */ |
| 521 | |
| 522 | |
| 523 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 524 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| 525 | datalen < 0 || datalen > IPP_MAX_LENGTH) |
| 526 | return (NULL); |
| 527 | |
| 528 | if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_STRING, 1)) == NULL) |
| 529 | return (NULL); |
| 530 | |
| 531 | /* |
| 532 | * Initialize the attribute data... |
| 533 | */ |
| 534 | |
| 535 | attr->values[0].unknown.length = datalen; |
| 536 | |
| 537 | if (data) |
| 538 | { |
| 539 | if ((attr->values[0].unknown.data = malloc((size_t)datalen)) == NULL) |
| 540 | { |
| 541 | ippDeleteAttribute(ipp, attr); |
| 542 | return (NULL); |
| 543 | } |
| 544 | |
| 545 | memcpy(attr->values[0].unknown.data, data, (size_t)datalen); |
| 546 | } |
| 547 | |
| 548 | /* |
| 549 | * Return the new attribute... |
| 550 | */ |
| 551 | |
| 552 | return (attr); |
| 553 | } |
| 554 | |
| 555 | |
| 556 | /* |
| 557 | * 'ippAddOutOfBand()' - Add an out-of-band value to an IPP message. |
| 558 | * |
| 559 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 560 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 561 | * |
| 562 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 563 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 564 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 565 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 566 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 567 | * |
| 568 | * Supported out-of-band values include unsupported-value |
| 569 | * (@code IPP_TAG_UNSUPPORTED_VALUE@), default (@code IPP_TAG_DEFAULT@), unknown |
| 570 | * (@code IPP_TAG_UNKNOWN@), no-value (@code IPP_TAG_NOVALUE@), not-settable |
| 571 | * (@code IPP_TAG_NOTSETTABLE@), delete-attribute (@code IPP_TAG_DELETEATTR@), and |
| 572 | * admin-define (@code IPP_TAG_ADMINDEFINE@). |
| 573 | * |
| 574 | * @since CUPS 1.6/macOS 10.8@ |
| 575 | */ |
| 576 | |
| 577 | ipp_attribute_t * /* O - New attribute */ |
| 578 | ippAddOutOfBand(ipp_t *ipp, /* I - IPP message */ |
| 579 | ipp_tag_t group, /* I - IPP group */ |
| 580 | ipp_tag_t value_tag, /* I - Type of attribute */ |
| 581 | const char *name) /* I - Name of attribute */ |
| 582 | { |
| 583 | DEBUG_printf(("ippAddOutOfBand(ipp=%p, group=%02x(%s), value_tag=%02x(%s), name=\"%s\")", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name)); |
| 584 | |
| 585 | value_tag &= IPP_TAG_CUPS_MASK; |
| 586 | |
| 587 | /* |
| 588 | * Range check input... |
| 589 | */ |
| 590 | |
| 591 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 592 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| 593 | (value_tag != IPP_TAG_UNSUPPORTED_VALUE && |
| 594 | value_tag != IPP_TAG_DEFAULT && |
| 595 | value_tag != IPP_TAG_UNKNOWN && |
| 596 | value_tag != IPP_TAG_NOVALUE && |
| 597 | value_tag != IPP_TAG_NOTSETTABLE && |
| 598 | value_tag != IPP_TAG_DELETEATTR && |
| 599 | value_tag != IPP_TAG_ADMINDEFINE)) |
| 600 | return (NULL); |
| 601 | |
| 602 | /* |
| 603 | * Create the attribute... |
| 604 | */ |
| 605 | |
| 606 | return (ipp_add_attr(ipp, name, group, value_tag, 1)); |
| 607 | } |
| 608 | |
| 609 | |
| 610 | /* |
| 611 | * 'ippAddRange()' - Add a range of values to an IPP message. |
| 612 | * |
| 613 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 614 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 615 | * |
| 616 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 617 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 618 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 619 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 620 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 621 | * |
| 622 | * The @code lower@ parameter must be less than or equal to the @code upper@ parameter. |
| 623 | */ |
| 624 | |
| 625 | ipp_attribute_t * /* O - New attribute */ |
| 626 | ippAddRange(ipp_t *ipp, /* I - IPP message */ |
| 627 | ipp_tag_t group, /* I - IPP group */ |
| 628 | const char *name, /* I - Name of attribute */ |
| 629 | int lower, /* I - Lower value */ |
| 630 | int upper) /* I - Upper value */ |
| 631 | { |
| 632 | ipp_attribute_t *attr; /* New attribute */ |
| 633 | |
| 634 | |
| 635 | DEBUG_printf(("ippAddRange(ipp=%p, group=%02x(%s), name=\"%s\", lower=%d, upper=%d)", (void *)ipp, group, ippTagString(group), name, lower, upper)); |
| 636 | |
| 637 | /* |
| 638 | * Range check input... |
| 639 | */ |
| 640 | |
| 641 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 642 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) |
| 643 | return (NULL); |
| 644 | |
| 645 | /* |
| 646 | * Create the attribute... |
| 647 | */ |
| 648 | |
| 649 | if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RANGE, 1)) == NULL) |
| 650 | return (NULL); |
| 651 | |
| 652 | attr->values[0].range.lower = lower; |
| 653 | attr->values[0].range.upper = upper; |
| 654 | |
| 655 | return (attr); |
| 656 | } |
| 657 | |
| 658 | |
| 659 | /* |
| 660 | * 'ippAddRanges()' - Add ranges of values to an IPP message. |
| 661 | * |
| 662 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 663 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 664 | * |
| 665 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 666 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 667 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 668 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 669 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 670 | */ |
| 671 | |
| 672 | ipp_attribute_t * /* O - New attribute */ |
| 673 | ippAddRanges(ipp_t *ipp, /* I - IPP message */ |
| 674 | ipp_tag_t group, /* I - IPP group */ |
| 675 | const char *name, /* I - Name of attribute */ |
| 676 | int num_values, /* I - Number of values */ |
| 677 | const int *lower, /* I - Lower values */ |
| 678 | const int *upper) /* I - Upper values */ |
| 679 | { |
| 680 | int i; /* Looping var */ |
| 681 | ipp_attribute_t *attr; /* New attribute */ |
| 682 | _ipp_value_t *value; /* Current value */ |
| 683 | |
| 684 | |
| 685 | DEBUG_printf(("ippAddRanges(ipp=%p, group=%02x(%s), name=\"%s\", num_values=%d, lower=%p, upper=%p)", (void *)ipp, group, ippTagString(group), name, num_values, (void *)lower, (void *)upper)); |
| 686 | |
| 687 | /* |
| 688 | * Range check input... |
| 689 | */ |
| 690 | |
| 691 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 692 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| 693 | num_values < 1) |
| 694 | return (NULL); |
| 695 | |
| 696 | /* |
| 697 | * Create the attribute... |
| 698 | */ |
| 699 | |
| 700 | if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RANGE, num_values)) == NULL) |
| 701 | return (NULL); |
| 702 | |
| 703 | if (lower && upper) |
| 704 | { |
| 705 | for (i = num_values, value = attr->values; |
| 706 | i > 0; |
| 707 | i --, value ++) |
| 708 | { |
| 709 | value->range.lower = *lower++; |
| 710 | value->range.upper = *upper++; |
| 711 | } |
| 712 | } |
| 713 | |
| 714 | return (attr); |
| 715 | } |
| 716 | |
| 717 | |
| 718 | /* |
| 719 | * 'ippAddResolution()' - Add a resolution value to an IPP message. |
| 720 | * |
| 721 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 722 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 723 | * |
| 724 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 725 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 726 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 727 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 728 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 729 | */ |
| 730 | |
| 731 | ipp_attribute_t * /* O - New attribute */ |
| 732 | ippAddResolution(ipp_t *ipp, /* I - IPP message */ |
| 733 | ipp_tag_t group, /* I - IPP group */ |
| 734 | const char *name, /* I - Name of attribute */ |
| 735 | ipp_res_t units, /* I - Units for resolution */ |
| 736 | int xres, /* I - X resolution */ |
| 737 | int yres) /* I - Y resolution */ |
| 738 | { |
| 739 | ipp_attribute_t *attr; /* New attribute */ |
| 740 | |
| 741 | |
| 742 | DEBUG_printf(("ippAddResolution(ipp=%p, group=%02x(%s), name=\"%s\", units=%d, xres=%d, yres=%d)", (void *)ipp, group, |
| 743 | ippTagString(group), name, units, xres, yres)); |
| 744 | |
| 745 | /* |
| 746 | * Range check input... |
| 747 | */ |
| 748 | |
| 749 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 750 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| 751 | units < IPP_RES_PER_INCH || units > IPP_RES_PER_CM || |
| 752 | xres < 0 || yres < 0) |
| 753 | return (NULL); |
| 754 | |
| 755 | /* |
| 756 | * Create the attribute... |
| 757 | */ |
| 758 | |
| 759 | if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RESOLUTION, 1)) == NULL) |
| 760 | return (NULL); |
| 761 | |
| 762 | attr->values[0].resolution.xres = xres; |
| 763 | attr->values[0].resolution.yres = yres; |
| 764 | attr->values[0].resolution.units = units; |
| 765 | |
| 766 | return (attr); |
| 767 | } |
| 768 | |
| 769 | |
| 770 | /* |
| 771 | * 'ippAddResolutions()' - Add resolution values to an IPP message. |
| 772 | * |
| 773 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 774 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 775 | * |
| 776 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 777 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 778 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 779 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 780 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 781 | */ |
| 782 | |
| 783 | ipp_attribute_t * /* O - New attribute */ |
| 784 | ippAddResolutions(ipp_t *ipp, /* I - IPP message */ |
| 785 | ipp_tag_t group, /* I - IPP group */ |
| 786 | const char *name, /* I - Name of attribute */ |
| 787 | int num_values,/* I - Number of values */ |
| 788 | ipp_res_t units, /* I - Units for resolution */ |
| 789 | const int *xres, /* I - X resolutions */ |
| 790 | const int *yres) /* I - Y resolutions */ |
| 791 | { |
| 792 | int i; /* Looping var */ |
| 793 | ipp_attribute_t *attr; /* New attribute */ |
| 794 | _ipp_value_t *value; /* Current value */ |
| 795 | |
| 796 | |
| 797 | DEBUG_printf(("ippAddResolutions(ipp=%p, group=%02x(%s), name=\"%s\", num_value=%d, units=%d, xres=%p, yres=%p)", (void *)ipp, group, ippTagString(group), name, num_values, units, (void *)xres, (void *)yres)); |
| 798 | |
| 799 | /* |
| 800 | * Range check input... |
| 801 | */ |
| 802 | |
| 803 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 804 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| 805 | num_values < 1 || |
| 806 | units < IPP_RES_PER_INCH || units > IPP_RES_PER_CM) |
| 807 | return (NULL); |
| 808 | |
| 809 | /* |
| 810 | * Create the attribute... |
| 811 | */ |
| 812 | |
| 813 | if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RESOLUTION, num_values)) == NULL) |
| 814 | return (NULL); |
| 815 | |
| 816 | if (xres && yres) |
| 817 | { |
| 818 | for (i = num_values, value = attr->values; |
| 819 | i > 0; |
| 820 | i --, value ++) |
| 821 | { |
| 822 | value->resolution.xres = *xres++; |
| 823 | value->resolution.yres = *yres++; |
| 824 | value->resolution.units = units; |
| 825 | } |
| 826 | } |
| 827 | |
| 828 | return (attr); |
| 829 | } |
| 830 | |
| 831 | |
| 832 | /* |
| 833 | * 'ippAddSeparator()' - Add a group separator to an IPP message. |
| 834 | * |
| 835 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 836 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 837 | */ |
| 838 | |
| 839 | ipp_attribute_t * /* O - New attribute */ |
| 840 | ippAddSeparator(ipp_t *ipp) /* I - IPP message */ |
| 841 | { |
| 842 | DEBUG_printf(("ippAddSeparator(ipp=%p)", (void *)ipp)); |
| 843 | |
| 844 | /* |
| 845 | * Range check input... |
| 846 | */ |
| 847 | |
| 848 | if (!ipp) |
| 849 | return (NULL); |
| 850 | |
| 851 | /* |
| 852 | * Create the attribute... |
| 853 | */ |
| 854 | |
| 855 | return (ipp_add_attr(ipp, NULL, IPP_TAG_ZERO, IPP_TAG_ZERO, 0)); |
| 856 | } |
| 857 | |
| 858 | |
| 859 | /* |
| 860 | * 'ippAddString()' - Add a language-encoded string to an IPP message. |
| 861 | * |
| 862 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 863 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 864 | * |
| 865 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 866 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 867 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 868 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 869 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 870 | * |
| 871 | * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword |
| 872 | * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType |
| 873 | * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage |
| 874 | * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage |
| 875 | * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme |
| 876 | * (@code IPP_TAG_URISCHEME@). |
| 877 | * |
| 878 | * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage and |
| 879 | * textWithLanguage string values and must be @code NULL@ for all other string values. |
| 880 | */ |
| 881 | |
| 882 | ipp_attribute_t * /* O - New attribute */ |
| 883 | ippAddString(ipp_t *ipp, /* I - IPP message */ |
| 884 | ipp_tag_t group, /* I - IPP group */ |
| 885 | ipp_tag_t value_tag, /* I - Type of attribute */ |
| 886 | const char *name, /* I - Name of attribute */ |
| 887 | const char *language, /* I - Language code */ |
| 888 | const char *value) /* I - Value */ |
| 889 | { |
| 890 | ipp_tag_t temp_tag; /* Temporary value tag (masked) */ |
| 891 | ipp_attribute_t *attr; /* New attribute */ |
| 892 | char code[IPP_MAX_LANGUAGE]; |
| 893 | /* Charset/language code buffer */ |
| 894 | |
| 895 | |
| 896 | DEBUG_printf(("ippAddString(ipp=%p, group=%02x(%s), value_tag=%02x(%s), name=\"%s\", language=\"%s\", value=\"%s\")", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, language, value)); |
| 897 | |
| 898 | /* |
| 899 | * Range check input... |
| 900 | */ |
| 901 | |
| 902 | temp_tag = (ipp_tag_t)((int)value_tag & IPP_TAG_CUPS_MASK); |
| 903 | |
| 904 | #if 0 |
| 905 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 906 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| 907 | (temp_tag < IPP_TAG_TEXT && temp_tag != IPP_TAG_TEXTLANG && |
| 908 | temp_tag != IPP_TAG_NAMELANG) || temp_tag > IPP_TAG_MIMETYPE) |
| 909 | return (NULL); |
| 910 | |
| 911 | if ((temp_tag == IPP_TAG_TEXTLANG || temp_tag == IPP_TAG_NAMELANG) |
| 912 | != (language != NULL)) |
| 913 | return (NULL); |
| 914 | #else |
| 915 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 916 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) |
| 917 | return (NULL); |
| 918 | #endif /* 0 */ |
| 919 | |
| 920 | /* |
| 921 | * See if we need to map charset, language, or locale values... |
| 922 | */ |
| 923 | |
| 924 | if (language && ((int)value_tag & IPP_TAG_CUPS_CONST) && |
| 925 | strcmp(language, ipp_lang_code(language, code, sizeof(code)))) |
| 926 | value_tag = temp_tag; /* Don't do a fast copy */ |
| 927 | else if (value && value_tag == (ipp_tag_t)(IPP_TAG_CHARSET | IPP_TAG_CUPS_CONST) && |
| 928 | strcmp(value, ipp_get_code(value, code, sizeof(code)))) |
| 929 | value_tag = temp_tag; /* Don't do a fast copy */ |
| 930 | else if (value && value_tag == (ipp_tag_t)(IPP_TAG_LANGUAGE | IPP_TAG_CUPS_CONST) && |
| 931 | strcmp(value, ipp_lang_code(value, code, sizeof(code)))) |
| 932 | value_tag = temp_tag; /* Don't do a fast copy */ |
| 933 | |
| 934 | /* |
| 935 | * Create the attribute... |
| 936 | */ |
| 937 | |
| 938 | if ((attr = ipp_add_attr(ipp, name, group, value_tag, 1)) == NULL) |
| 939 | return (NULL); |
| 940 | |
| 941 | /* |
| 942 | * Initialize the attribute data... |
| 943 | */ |
| 944 | |
| 945 | if ((int)value_tag & IPP_TAG_CUPS_CONST) |
| 946 | { |
| 947 | attr->values[0].string.language = (char *)language; |
| 948 | attr->values[0].string.text = (char *)value; |
| 949 | } |
| 950 | else |
| 951 | { |
| 952 | if (language) |
| 953 | attr->values[0].string.language = _cupsStrAlloc(ipp_lang_code(language, code, |
| 954 | sizeof(code))); |
| 955 | |
| 956 | if (value) |
| 957 | { |
| 958 | if (value_tag == IPP_TAG_CHARSET) |
| 959 | attr->values[0].string.text = _cupsStrAlloc(ipp_get_code(value, code, |
| 960 | sizeof(code))); |
| 961 | else if (value_tag == IPP_TAG_LANGUAGE) |
| 962 | attr->values[0].string.text = _cupsStrAlloc(ipp_lang_code(value, code, |
| 963 | sizeof(code))); |
| 964 | else |
| 965 | attr->values[0].string.text = _cupsStrAlloc(value); |
| 966 | } |
| 967 | } |
| 968 | |
| 969 | return (attr); |
| 970 | } |
| 971 | |
| 972 | |
| 973 | /* |
| 974 | * 'ippAddStringf()' - Add a formatted string to an IPP message. |
| 975 | * |
| 976 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 977 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 978 | * |
| 979 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 980 | * (@code IPP_TAG_ZERO@, for member attributes), document |
| 981 | * (@code IPP_TAG_DOCUMENT@), event notification |
| 982 | * (@code IPP_TAG_EVENT_NOTIFICATION@), operation (@code IPP_TAG_OPERATION@), |
| 983 | * printer (@code IPP_TAG_PRINTER@), subscription (@code IPP_TAG_SUBSCRIPTION@), |
| 984 | * or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 985 | * |
| 986 | * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword |
| 987 | * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType |
| 988 | * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage |
| 989 | * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage |
| 990 | * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme |
| 991 | * (@code IPP_TAG_URISCHEME@). |
| 992 | * |
| 993 | * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage |
| 994 | * and textWithLanguage string values and must be @code NULL@ for all other |
| 995 | * string values. |
| 996 | * |
| 997 | * The @code format@ parameter uses formatting characters compatible with the |
| 998 | * printf family of standard functions. Additional arguments follow it as |
| 999 | * needed. The formatted string is truncated as needed to the maximum length of |
| 1000 | * the corresponding value type. |
| 1001 | * |
| 1002 | * @since CUPS 1.7/macOS 10.9@ |
| 1003 | */ |
| 1004 | |
| 1005 | ipp_attribute_t * /* O - New attribute */ |
| 1006 | ippAddStringf(ipp_t *ipp, /* I - IPP message */ |
| 1007 | ipp_tag_t group, /* I - IPP group */ |
| 1008 | ipp_tag_t value_tag, /* I - Type of attribute */ |
| 1009 | const char *name, /* I - Name of attribute */ |
| 1010 | const char *language, /* I - Language code (@code NULL@ for default) */ |
| 1011 | const char *format, /* I - Printf-style format string */ |
| 1012 | ...) /* I - Additional arguments as needed */ |
| 1013 | { |
| 1014 | ipp_attribute_t *attr; /* New attribute */ |
| 1015 | va_list ap; /* Argument pointer */ |
| 1016 | |
| 1017 | |
| 1018 | va_start(ap, format); |
| 1019 | attr = ippAddStringfv(ipp, group, value_tag, name, language, format, ap); |
| 1020 | va_end(ap); |
| 1021 | |
| 1022 | return (attr); |
| 1023 | } |
| 1024 | |
| 1025 | |
| 1026 | /* |
| 1027 | * 'ippAddStringfv()' - Add a formatted string to an IPP message. |
| 1028 | * |
| 1029 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 1030 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 1031 | * |
| 1032 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 1033 | * (@code IPP_TAG_ZERO@, for member attributes), document |
| 1034 | * (@code IPP_TAG_DOCUMENT@), event notification |
| 1035 | * (@code IPP_TAG_EVENT_NOTIFICATION@), operation (@code IPP_TAG_OPERATION@), |
| 1036 | * printer (@code IPP_TAG_PRINTER@), subscription (@code IPP_TAG_SUBSCRIPTION@), |
| 1037 | * or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 1038 | * |
| 1039 | * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword |
| 1040 | * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType |
| 1041 | * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage |
| 1042 | * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage |
| 1043 | * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme |
| 1044 | * (@code IPP_TAG_URISCHEME@). |
| 1045 | * |
| 1046 | * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage |
| 1047 | * and textWithLanguage string values and must be @code NULL@ for all other |
| 1048 | * string values. |
| 1049 | * |
| 1050 | * The @code format@ parameter uses formatting characters compatible with the |
| 1051 | * printf family of standard functions. Additional arguments are passed in the |
| 1052 | * stdarg pointer @code ap@. The formatted string is truncated as needed to the |
| 1053 | * maximum length of the corresponding value type. |
| 1054 | * |
| 1055 | * @since CUPS 1.7/macOS 10.9@ |
| 1056 | */ |
| 1057 | |
| 1058 | ipp_attribute_t * /* O - New attribute */ |
| 1059 | ippAddStringfv(ipp_t *ipp, /* I - IPP message */ |
| 1060 | ipp_tag_t group, /* I - IPP group */ |
| 1061 | ipp_tag_t value_tag, /* I - Type of attribute */ |
| 1062 | const char *name, /* I - Name of attribute */ |
| 1063 | const char *language, /* I - Language code (@code NULL@ for default) */ |
| 1064 | const char *format, /* I - Printf-style format string */ |
| 1065 | va_list ap) /* I - Additional arguments */ |
| 1066 | { |
| 1067 | char buffer[IPP_MAX_TEXT + 4]; |
| 1068 | /* Formatted text string */ |
| 1069 | ssize_t bytes, /* Length of formatted value */ |
| 1070 | max_bytes; /* Maximum number of bytes for value */ |
| 1071 | |
| 1072 | |
| 1073 | /* |
| 1074 | * Range check input... |
| 1075 | */ |
| 1076 | |
| 1077 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 1078 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| 1079 | (value_tag < IPP_TAG_TEXT && value_tag != IPP_TAG_TEXTLANG && |
| 1080 | value_tag != IPP_TAG_NAMELANG) || value_tag > IPP_TAG_MIMETYPE || |
| 1081 | !format) |
| 1082 | return (NULL); |
| 1083 | |
| 1084 | if ((value_tag == IPP_TAG_TEXTLANG || value_tag == IPP_TAG_NAMELANG) |
| 1085 | != (language != NULL)) |
| 1086 | return (NULL); |
| 1087 | |
| 1088 | /* |
| 1089 | * Format the string... |
| 1090 | */ |
| 1091 | |
| 1092 | if (!strcmp(format, "%s")) |
| 1093 | { |
| 1094 | /* |
| 1095 | * Optimize the simple case... |
| 1096 | */ |
| 1097 | |
| 1098 | const char *s = va_arg(ap, char *); |
| 1099 | |
| 1100 | if (!s) |
| 1101 | s = "(null)"; |
| 1102 | |
| 1103 | bytes = (ssize_t)strlen(s); |
| 1104 | strlcpy(buffer, s, sizeof(buffer)); |
| 1105 | } |
| 1106 | else |
| 1107 | { |
| 1108 | /* |
| 1109 | * Do a full formatting of the message... |
| 1110 | */ |
| 1111 | |
| 1112 | if ((bytes = vsnprintf(buffer, sizeof(buffer), format, ap)) < 0) |
| 1113 | return (NULL); |
| 1114 | } |
| 1115 | |
| 1116 | /* |
| 1117 | * Limit the length of the string... |
| 1118 | */ |
| 1119 | |
| 1120 | switch (value_tag) |
| 1121 | { |
| 1122 | default : |
| 1123 | case IPP_TAG_TEXT : |
| 1124 | case IPP_TAG_TEXTLANG : |
| 1125 | max_bytes = IPP_MAX_TEXT; |
| 1126 | break; |
| 1127 | |
| 1128 | case IPP_TAG_NAME : |
| 1129 | case IPP_TAG_NAMELANG : |
| 1130 | max_bytes = IPP_MAX_NAME; |
| 1131 | break; |
| 1132 | |
| 1133 | case IPP_TAG_CHARSET : |
| 1134 | max_bytes = IPP_MAX_CHARSET; |
| 1135 | break; |
| 1136 | |
| 1137 | case IPP_TAG_KEYWORD : |
| 1138 | max_bytes = IPP_MAX_KEYWORD; |
| 1139 | break; |
| 1140 | |
| 1141 | case IPP_TAG_LANGUAGE : |
| 1142 | max_bytes = IPP_MAX_LANGUAGE; |
| 1143 | break; |
| 1144 | |
| 1145 | case IPP_TAG_MIMETYPE : |
| 1146 | max_bytes = IPP_MAX_MIMETYPE; |
| 1147 | break; |
| 1148 | |
| 1149 | case IPP_TAG_URI : |
| 1150 | max_bytes = IPP_MAX_URI; |
| 1151 | break; |
| 1152 | |
| 1153 | case IPP_TAG_URISCHEME : |
| 1154 | max_bytes = IPP_MAX_URISCHEME; |
| 1155 | break; |
| 1156 | } |
| 1157 | |
| 1158 | if (bytes >= max_bytes) |
| 1159 | { |
| 1160 | char *bufmax, /* Buffer at max_bytes */ |
| 1161 | *bufptr; /* Pointer into buffer */ |
| 1162 | |
| 1163 | bufptr = buffer + strlen(buffer) - 1; |
| 1164 | bufmax = buffer + max_bytes - 1; |
| 1165 | |
| 1166 | while (bufptr > bufmax) |
| 1167 | { |
| 1168 | if (*bufptr & 0x80) |
| 1169 | { |
| 1170 | while ((*bufptr & 0xc0) == 0x80 && bufptr > buffer) |
| 1171 | bufptr --; |
| 1172 | } |
| 1173 | |
| 1174 | bufptr --; |
| 1175 | } |
| 1176 | |
| 1177 | *bufptr = '\0'; |
| 1178 | } |
| 1179 | |
| 1180 | /* |
| 1181 | * Add the formatted string and return... |
| 1182 | */ |
| 1183 | |
| 1184 | return (ippAddString(ipp, group, value_tag, name, language, buffer)); |
| 1185 | } |
| 1186 | |
| 1187 | |
| 1188 | /* |
| 1189 | * 'ippAddStrings()' - Add language-encoded strings to an IPP message. |
| 1190 | * |
| 1191 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 1192 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 1193 | * |
| 1194 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 1195 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 1196 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 1197 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 1198 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 1199 | * |
| 1200 | * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword |
| 1201 | * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType |
| 1202 | * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage |
| 1203 | * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage |
| 1204 | * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme |
| 1205 | * (@code IPP_TAG_URISCHEME@). |
| 1206 | * |
| 1207 | * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage and |
| 1208 | * textWithLanguage string values and must be @code NULL@ for all other string values. |
| 1209 | */ |
| 1210 | |
| 1211 | ipp_attribute_t * /* O - New attribute */ |
| 1212 | ippAddStrings( |
| 1213 | ipp_t *ipp, /* I - IPP message */ |
| 1214 | ipp_tag_t group, /* I - IPP group */ |
| 1215 | ipp_tag_t value_tag, /* I - Type of attribute */ |
| 1216 | const char *name, /* I - Name of attribute */ |
| 1217 | int num_values, /* I - Number of values */ |
| 1218 | const char *language, /* I - Language code (@code NULL@ for default) */ |
| 1219 | const char * const *values) /* I - Values */ |
| 1220 | { |
| 1221 | int i; /* Looping var */ |
| 1222 | ipp_tag_t temp_tag; /* Temporary value tag (masked) */ |
| 1223 | ipp_attribute_t *attr; /* New attribute */ |
| 1224 | _ipp_value_t *value; /* Current value */ |
| 1225 | char code[32]; /* Language/charset value buffer */ |
| 1226 | |
| 1227 | |
| 1228 | DEBUG_printf(("ippAddStrings(ipp=%p, group=%02x(%s), value_tag=%02x(%s), name=\"%s\", num_values=%d, language=\"%s\", values=%p)", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, num_values, language, (void *)values)); |
| 1229 | |
| 1230 | /* |
| 1231 | * Range check input... |
| 1232 | */ |
| 1233 | |
| 1234 | temp_tag = (ipp_tag_t)((int)value_tag & IPP_TAG_CUPS_MASK); |
| 1235 | |
| 1236 | #if 0 |
| 1237 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 1238 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| 1239 | (temp_tag < IPP_TAG_TEXT && temp_tag != IPP_TAG_TEXTLANG && |
| 1240 | temp_tag != IPP_TAG_NAMELANG) || temp_tag > IPP_TAG_MIMETYPE || |
| 1241 | num_values < 1) |
| 1242 | return (NULL); |
| 1243 | |
| 1244 | if ((temp_tag == IPP_TAG_TEXTLANG || temp_tag == IPP_TAG_NAMELANG) |
| 1245 | != (language != NULL)) |
| 1246 | return (NULL); |
| 1247 | #else |
| 1248 | if (!ipp || !name || group < IPP_TAG_ZERO || |
| 1249 | group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| 1250 | num_values < 1) |
| 1251 | return (NULL); |
| 1252 | #endif /* 0 */ |
| 1253 | |
| 1254 | /* |
| 1255 | * See if we need to map charset, language, or locale values... |
| 1256 | */ |
| 1257 | |
| 1258 | if (language && ((int)value_tag & IPP_TAG_CUPS_CONST) && |
| 1259 | strcmp(language, ipp_lang_code(language, code, sizeof(code)))) |
| 1260 | value_tag = temp_tag; /* Don't do a fast copy */ |
| 1261 | else if (values && value_tag == (ipp_tag_t)(IPP_TAG_CHARSET | IPP_TAG_CUPS_CONST)) |
| 1262 | { |
| 1263 | for (i = 0; i < num_values; i ++) |
| 1264 | if (strcmp(values[i], ipp_get_code(values[i], code, sizeof(code)))) |
| 1265 | { |
| 1266 | value_tag = temp_tag; /* Don't do a fast copy */ |
| 1267 | break; |
| 1268 | } |
| 1269 | } |
| 1270 | else if (values && value_tag == (ipp_tag_t)(IPP_TAG_LANGUAGE | IPP_TAG_CUPS_CONST)) |
| 1271 | { |
| 1272 | for (i = 0; i < num_values; i ++) |
| 1273 | if (strcmp(values[i], ipp_lang_code(values[i], code, sizeof(code)))) |
| 1274 | { |
| 1275 | value_tag = temp_tag; /* Don't do a fast copy */ |
| 1276 | break; |
| 1277 | } |
| 1278 | } |
| 1279 | |
| 1280 | /* |
| 1281 | * Create the attribute... |
| 1282 | */ |
| 1283 | |
| 1284 | if ((attr = ipp_add_attr(ipp, name, group, value_tag, num_values)) == NULL) |
| 1285 | return (NULL); |
| 1286 | |
| 1287 | /* |
| 1288 | * Initialize the attribute data... |
| 1289 | */ |
| 1290 | |
| 1291 | for (i = num_values, value = attr->values; |
| 1292 | i > 0; |
| 1293 | i --, value ++) |
| 1294 | { |
| 1295 | if (language) |
| 1296 | { |
| 1297 | if (value == attr->values) |
| 1298 | { |
| 1299 | if ((int)value_tag & IPP_TAG_CUPS_CONST) |
| 1300 | value->string.language = (char *)language; |
| 1301 | else |
| 1302 | value->string.language = _cupsStrAlloc(ipp_lang_code(language, code, |
| 1303 | sizeof(code))); |
| 1304 | } |
| 1305 | else |
| 1306 | value->string.language = attr->values[0].string.language; |
| 1307 | } |
| 1308 | |
| 1309 | if (values) |
| 1310 | { |
| 1311 | if ((int)value_tag & IPP_TAG_CUPS_CONST) |
| 1312 | value->string.text = (char *)*values++; |
| 1313 | else if (value_tag == IPP_TAG_CHARSET) |
| 1314 | value->string.text = _cupsStrAlloc(ipp_get_code(*values++, code, sizeof(code))); |
| 1315 | else if (value_tag == IPP_TAG_LANGUAGE) |
| 1316 | value->string.text = _cupsStrAlloc(ipp_lang_code(*values++, code, sizeof(code))); |
| 1317 | else |
| 1318 | value->string.text = _cupsStrAlloc(*values++); |
| 1319 | } |
| 1320 | } |
| 1321 | |
| 1322 | return (attr); |
| 1323 | } |
| 1324 | |
| 1325 | |
| 1326 | /* |
| 1327 | * 'ippContainsInteger()' - Determine whether an attribute contains the |
| 1328 | * specified value or is within the list of ranges. |
| 1329 | * |
| 1330 | * Returns non-zero when the attribute contains either a matching integer or |
| 1331 | * enum value, or the value falls within one of the rangeOfInteger values for |
| 1332 | * the attribute. |
| 1333 | * |
| 1334 | * @since CUPS 1.7/macOS 10.9@ |
| 1335 | */ |
| 1336 | |
| 1337 | int /* O - 1 on a match, 0 on no match */ |
| 1338 | ippContainsInteger( |
| 1339 | ipp_attribute_t *attr, /* I - Attribute */ |
| 1340 | int value) /* I - Integer/enum value */ |
| 1341 | { |
| 1342 | int i; /* Looping var */ |
| 1343 | _ipp_value_t *avalue; /* Current attribute value */ |
| 1344 | |
| 1345 | |
| 1346 | /* |
| 1347 | * Range check input... |
| 1348 | */ |
| 1349 | |
| 1350 | if (!attr) |
| 1351 | return (0); |
| 1352 | |
| 1353 | if (attr->value_tag != IPP_TAG_INTEGER && attr->value_tag != IPP_TAG_ENUM && |
| 1354 | attr->value_tag != IPP_TAG_RANGE) |
| 1355 | return (0); |
| 1356 | |
| 1357 | /* |
| 1358 | * Compare... |
| 1359 | */ |
| 1360 | |
| 1361 | if (attr->value_tag == IPP_TAG_RANGE) |
| 1362 | { |
| 1363 | for (i = attr->num_values, avalue = attr->values; i > 0; i --, avalue ++) |
| 1364 | if (value >= avalue->range.lower && value <= avalue->range.upper) |
| 1365 | return (1); |
| 1366 | } |
| 1367 | else |
| 1368 | { |
| 1369 | for (i = attr->num_values, avalue = attr->values; i > 0; i --, avalue ++) |
| 1370 | if (value == avalue->integer) |
| 1371 | return (1); |
| 1372 | } |
| 1373 | |
| 1374 | return (0); |
| 1375 | } |
| 1376 | |
| 1377 | |
| 1378 | /* |
| 1379 | * 'ippContainsString()' - Determine whether an attribute contains the |
| 1380 | * specified string value. |
| 1381 | * |
| 1382 | * Returns non-zero when the attribute contains a matching charset, keyword, |
| 1383 | * naturalLanguage, mimeMediaType, name, text, uri, or uriScheme value. |
| 1384 | * |
| 1385 | * @since CUPS 1.7/macOS 10.9@ |
| 1386 | */ |
| 1387 | |
| 1388 | int /* O - 1 on a match, 0 on no match */ |
| 1389 | ippContainsString( |
| 1390 | ipp_attribute_t *attr, /* I - Attribute */ |
| 1391 | const char *value) /* I - String value */ |
| 1392 | { |
| 1393 | int i; /* Looping var */ |
| 1394 | _ipp_value_t *avalue; /* Current attribute value */ |
| 1395 | |
| 1396 | |
| 1397 | DEBUG_printf(("ippContainsString(attr=%p, value=\"%s\")", (void *)attr, value)); |
| 1398 | |
| 1399 | /* |
| 1400 | * Range check input... |
| 1401 | */ |
| 1402 | |
| 1403 | if (!attr || !value) |
| 1404 | { |
| 1405 | DEBUG_puts("1ippContainsString: Returning 0 (bad input)"); |
| 1406 | return (0); |
| 1407 | } |
| 1408 | |
| 1409 | /* |
| 1410 | * Compare... |
| 1411 | */ |
| 1412 | |
| 1413 | DEBUG_printf(("1ippContainsString: attr %s, %s with %d values.", |
| 1414 | attr->name, ippTagString(attr->value_tag), |
| 1415 | attr->num_values)); |
| 1416 | |
| 1417 | switch (attr->value_tag & IPP_TAG_CUPS_MASK) |
| 1418 | { |
| 1419 | case IPP_TAG_CHARSET : |
| 1420 | case IPP_TAG_KEYWORD : |
| 1421 | case IPP_TAG_LANGUAGE : |
| 1422 | case IPP_TAG_URI : |
| 1423 | case IPP_TAG_URISCHEME : |
| 1424 | for (i = attr->num_values, avalue = attr->values; |
| 1425 | i > 0; |
| 1426 | i --, avalue ++) |
| 1427 | { |
| 1428 | DEBUG_printf(("1ippContainsString: value[%d]=\"%s\"", |
| 1429 | attr->num_values - i, avalue->string.text)); |
| 1430 | |
| 1431 | if (!strcmp(value, avalue->string.text)) |
| 1432 | { |
| 1433 | DEBUG_puts("1ippContainsString: Returning 1 (match)"); |
| 1434 | return (1); |
| 1435 | } |
| 1436 | } |
| 1437 | |
| 1438 | case IPP_TAG_MIMETYPE : |
| 1439 | case IPP_TAG_NAME : |
| 1440 | case IPP_TAG_NAMELANG : |
| 1441 | case IPP_TAG_TEXT : |
| 1442 | case IPP_TAG_TEXTLANG : |
| 1443 | for (i = attr->num_values, avalue = attr->values; |
| 1444 | i > 0; |
| 1445 | i --, avalue ++) |
| 1446 | { |
| 1447 | DEBUG_printf(("1ippContainsString: value[%d]=\"%s\"", |
| 1448 | attr->num_values - i, avalue->string.text)); |
| 1449 | |
| 1450 | if (!_cups_strcasecmp(value, avalue->string.text)) |
| 1451 | { |
| 1452 | DEBUG_puts("1ippContainsString: Returning 1 (match)"); |
| 1453 | return (1); |
| 1454 | } |
| 1455 | } |
| 1456 | |
| 1457 | default : |
| 1458 | break; |
| 1459 | } |
| 1460 | |
| 1461 | DEBUG_puts("1ippContainsString: Returning 0 (no match)"); |
| 1462 | |
| 1463 | return (0); |
| 1464 | } |
| 1465 | |
| 1466 | |
| 1467 | /* |
| 1468 | * 'ippCopyAttribute()' - Copy an attribute. |
| 1469 | * |
| 1470 | * The specified attribute, @code attr@, is copied to the destination IPP message. |
| 1471 | * When @code quickcopy@ is non-zero, a "shallow" reference copy of the attribute is |
| 1472 | * created - this should only be done as long as the original source IPP message will |
| 1473 | * not be freed for the life of the destination. |
| 1474 | * |
| 1475 | * @since CUPS 1.6/macOS 10.8@ |
| 1476 | */ |
| 1477 | |
| 1478 | |
| 1479 | ipp_attribute_t * /* O - New attribute */ |
| 1480 | ippCopyAttribute( |
| 1481 | ipp_t *dst, /* I - Destination IPP message */ |
| 1482 | ipp_attribute_t *srcattr, /* I - Attribute to copy */ |
| 1483 | int quickcopy) /* I - 1 for a referenced copy, 0 for normal */ |
| 1484 | { |
| 1485 | int i; /* Looping var */ |
| 1486 | ipp_attribute_t *dstattr; /* Destination attribute */ |
| 1487 | _ipp_value_t *srcval, /* Source value */ |
| 1488 | *dstval; /* Destination value */ |
| 1489 | |
| 1490 | |
| 1491 | DEBUG_printf(("ippCopyAttribute(dst=%p, srcattr=%p, quickcopy=%d)", (void *)dst, (void *)srcattr, quickcopy)); |
| 1492 | |
| 1493 | /* |
| 1494 | * Range check input... |
| 1495 | */ |
| 1496 | |
| 1497 | if (!dst || !srcattr) |
| 1498 | return (NULL); |
| 1499 | |
| 1500 | /* |
| 1501 | * Copy it... |
| 1502 | */ |
| 1503 | |
| 1504 | quickcopy = quickcopy ? IPP_TAG_CUPS_CONST : 0; |
| 1505 | |
| 1506 | switch (srcattr->value_tag & ~IPP_TAG_CUPS_CONST) |
| 1507 | { |
| 1508 | case IPP_TAG_ZERO : |
| 1509 | dstattr = ippAddSeparator(dst); |
| 1510 | break; |
| 1511 | |
| 1512 | case IPP_TAG_UNSUPPORTED_VALUE : |
| 1513 | case IPP_TAG_DEFAULT : |
| 1514 | case IPP_TAG_UNKNOWN : |
| 1515 | case IPP_TAG_NOVALUE : |
| 1516 | case IPP_TAG_NOTSETTABLE : |
| 1517 | case IPP_TAG_DELETEATTR : |
| 1518 | case IPP_TAG_ADMINDEFINE : |
| 1519 | dstattr = ippAddOutOfBand(dst, srcattr->group_tag, srcattr->value_tag & ~IPP_TAG_CUPS_CONST, srcattr->name); |
| 1520 | break; |
| 1521 | |
| 1522 | case IPP_TAG_INTEGER : |
| 1523 | case IPP_TAG_ENUM : |
| 1524 | dstattr = ippAddIntegers(dst, srcattr->group_tag, srcattr->value_tag, |
| 1525 | srcattr->name, srcattr->num_values, NULL); |
| 1526 | if (!dstattr) |
| 1527 | break; |
| 1528 | |
| 1529 | for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; |
| 1530 | i > 0; |
| 1531 | i --, srcval ++, dstval ++) |
| 1532 | dstval->integer = srcval->integer; |
| 1533 | break; |
| 1534 | |
| 1535 | case IPP_TAG_BOOLEAN : |
| 1536 | dstattr = ippAddBooleans(dst, srcattr->group_tag, srcattr->name, |
| 1537 | srcattr->num_values, NULL); |
| 1538 | if (!dstattr) |
| 1539 | break; |
| 1540 | |
| 1541 | for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; |
| 1542 | i > 0; |
| 1543 | i --, srcval ++, dstval ++) |
| 1544 | dstval->boolean = srcval->boolean; |
| 1545 | break; |
| 1546 | |
| 1547 | case IPP_TAG_TEXT : |
| 1548 | case IPP_TAG_NAME : |
| 1549 | case IPP_TAG_KEYWORD : |
| 1550 | case IPP_TAG_URI : |
| 1551 | case IPP_TAG_URISCHEME : |
| 1552 | case IPP_TAG_CHARSET : |
| 1553 | case IPP_TAG_LANGUAGE : |
| 1554 | case IPP_TAG_MIMETYPE : |
| 1555 | dstattr = ippAddStrings(dst, srcattr->group_tag, |
| 1556 | (ipp_tag_t)(srcattr->value_tag | quickcopy), |
| 1557 | srcattr->name, srcattr->num_values, NULL, NULL); |
| 1558 | if (!dstattr) |
| 1559 | break; |
| 1560 | |
| 1561 | if (quickcopy) |
| 1562 | { |
| 1563 | for (i = srcattr->num_values, srcval = srcattr->values, |
| 1564 | dstval = dstattr->values; |
| 1565 | i > 0; |
| 1566 | i --, srcval ++, dstval ++) |
| 1567 | dstval->string.text = srcval->string.text; |
| 1568 | } |
| 1569 | else if (srcattr->value_tag & IPP_TAG_CUPS_CONST) |
| 1570 | { |
| 1571 | for (i = srcattr->num_values, srcval = srcattr->values, |
| 1572 | dstval = dstattr->values; |
| 1573 | i > 0; |
| 1574 | i --, srcval ++, dstval ++) |
| 1575 | dstval->string.text = _cupsStrAlloc(srcval->string.text); |
| 1576 | } |
| 1577 | else |
| 1578 | { |
| 1579 | for (i = srcattr->num_values, srcval = srcattr->values, |
| 1580 | dstval = dstattr->values; |
| 1581 | i > 0; |
| 1582 | i --, srcval ++, dstval ++) |
| 1583 | dstval->string.text = _cupsStrRetain(srcval->string.text); |
| 1584 | } |
| 1585 | break; |
| 1586 | |
| 1587 | case IPP_TAG_DATE : |
| 1588 | if (srcattr->num_values != 1) |
| 1589 | return (NULL); |
| 1590 | |
| 1591 | dstattr = ippAddDate(dst, srcattr->group_tag, srcattr->name, |
| 1592 | srcattr->values[0].date); |
| 1593 | break; |
| 1594 | |
| 1595 | case IPP_TAG_RESOLUTION : |
| 1596 | dstattr = ippAddResolutions(dst, srcattr->group_tag, srcattr->name, |
| 1597 | srcattr->num_values, IPP_RES_PER_INCH, |
| 1598 | NULL, NULL); |
| 1599 | if (!dstattr) |
| 1600 | break; |
| 1601 | |
| 1602 | for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; |
| 1603 | i > 0; |
| 1604 | i --, srcval ++, dstval ++) |
| 1605 | { |
| 1606 | dstval->resolution.xres = srcval->resolution.xres; |
| 1607 | dstval->resolution.yres = srcval->resolution.yres; |
| 1608 | dstval->resolution.units = srcval->resolution.units; |
| 1609 | } |
| 1610 | break; |
| 1611 | |
| 1612 | case IPP_TAG_RANGE : |
| 1613 | dstattr = ippAddRanges(dst, srcattr->group_tag, srcattr->name, |
| 1614 | srcattr->num_values, NULL, NULL); |
| 1615 | if (!dstattr) |
| 1616 | break; |
| 1617 | |
| 1618 | for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; |
| 1619 | i > 0; |
| 1620 | i --, srcval ++, dstval ++) |
| 1621 | { |
| 1622 | dstval->range.lower = srcval->range.lower; |
| 1623 | dstval->range.upper = srcval->range.upper; |
| 1624 | } |
| 1625 | break; |
| 1626 | |
| 1627 | case IPP_TAG_TEXTLANG : |
| 1628 | case IPP_TAG_NAMELANG : |
| 1629 | dstattr = ippAddStrings(dst, srcattr->group_tag, |
| 1630 | (ipp_tag_t)(srcattr->value_tag | quickcopy), |
| 1631 | srcattr->name, srcattr->num_values, NULL, NULL); |
| 1632 | if (!dstattr) |
| 1633 | break; |
| 1634 | |
| 1635 | if (quickcopy) |
| 1636 | { |
| 1637 | for (i = srcattr->num_values, srcval = srcattr->values, |
| 1638 | dstval = dstattr->values; |
| 1639 | i > 0; |
| 1640 | i --, srcval ++, dstval ++) |
| 1641 | { |
| 1642 | dstval->string.language = srcval->string.language; |
| 1643 | dstval->string.text = srcval->string.text; |
| 1644 | } |
| 1645 | } |
| 1646 | else if (srcattr->value_tag & IPP_TAG_CUPS_CONST) |
| 1647 | { |
| 1648 | for (i = srcattr->num_values, srcval = srcattr->values, |
| 1649 | dstval = dstattr->values; |
| 1650 | i > 0; |
| 1651 | i --, srcval ++, dstval ++) |
| 1652 | { |
| 1653 | if (srcval == srcattr->values) |
| 1654 | dstval->string.language = _cupsStrAlloc(srcval->string.language); |
| 1655 | else |
| 1656 | dstval->string.language = dstattr->values[0].string.language; |
| 1657 | |
| 1658 | dstval->string.text = _cupsStrAlloc(srcval->string.text); |
| 1659 | } |
| 1660 | } |
| 1661 | else |
| 1662 | { |
| 1663 | for (i = srcattr->num_values, srcval = srcattr->values, |
| 1664 | dstval = dstattr->values; |
| 1665 | i > 0; |
| 1666 | i --, srcval ++, dstval ++) |
| 1667 | { |
| 1668 | if (srcval == srcattr->values) |
| 1669 | dstval->string.language = _cupsStrRetain(srcval->string.language); |
| 1670 | else |
| 1671 | dstval->string.language = dstattr->values[0].string.language; |
| 1672 | |
| 1673 | dstval->string.text = _cupsStrRetain(srcval->string.text); |
| 1674 | } |
| 1675 | } |
| 1676 | break; |
| 1677 | |
| 1678 | case IPP_TAG_BEGIN_COLLECTION : |
| 1679 | dstattr = ippAddCollections(dst, srcattr->group_tag, srcattr->name, |
| 1680 | srcattr->num_values, NULL); |
| 1681 | if (!dstattr) |
| 1682 | break; |
| 1683 | |
| 1684 | for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; |
| 1685 | i > 0; |
| 1686 | i --, srcval ++, dstval ++) |
| 1687 | { |
| 1688 | dstval->collection = srcval->collection; |
| 1689 | srcval->collection->use ++; |
| 1690 | } |
| 1691 | break; |
| 1692 | |
| 1693 | case IPP_TAG_STRING : |
| 1694 | default : |
| 1695 | /* TODO: Implement quick copy for unknown/octetString values */ |
| 1696 | dstattr = ippAddIntegers(dst, srcattr->group_tag, srcattr->value_tag, |
| 1697 | srcattr->name, srcattr->num_values, NULL); |
| 1698 | if (!dstattr) |
| 1699 | break; |
| 1700 | |
| 1701 | for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; |
| 1702 | i > 0; |
| 1703 | i --, srcval ++, dstval ++) |
| 1704 | { |
| 1705 | dstval->unknown.length = srcval->unknown.length; |
| 1706 | |
| 1707 | if (dstval->unknown.length > 0) |
| 1708 | { |
| 1709 | if ((dstval->unknown.data = malloc((size_t)dstval->unknown.length)) == NULL) |
| 1710 | dstval->unknown.length = 0; |
| 1711 | else |
| 1712 | memcpy(dstval->unknown.data, srcval->unknown.data, (size_t)dstval->unknown.length); |
| 1713 | } |
| 1714 | } |
| 1715 | break; /* anti-compiler-warning-code */ |
| 1716 | } |
| 1717 | |
| 1718 | return (dstattr); |
| 1719 | } |
| 1720 | |
| 1721 | |
| 1722 | /* |
| 1723 | * 'ippCopyAttributes()' - Copy attributes from one IPP message to another. |
| 1724 | * |
| 1725 | * Zero or more attributes are copied from the source IPP message, @code src@, to the |
| 1726 | * destination IPP message, @code dst@. When @code quickcopy@ is non-zero, a "shallow" |
| 1727 | * reference copy of the attribute is created - this should only be done as long as the |
| 1728 | * original source IPP message will not be freed for the life of the destination. |
| 1729 | * |
| 1730 | * The @code cb@ and @code context@ parameters provide a generic way to "filter" the |
| 1731 | * attributes that are copied - the function must return 1 to copy the attribute or |
| 1732 | * 0 to skip it. The function may also choose to do a partial copy of the source attribute |
| 1733 | * itself. |
| 1734 | * |
| 1735 | * @since CUPS 1.6/macOS 10.8@ |
| 1736 | */ |
| 1737 | |
| 1738 | int /* O - 1 on success, 0 on error */ |
| 1739 | ippCopyAttributes( |
| 1740 | ipp_t *dst, /* I - Destination IPP message */ |
| 1741 | ipp_t *src, /* I - Source IPP message */ |
| 1742 | int quickcopy, /* I - 1 for a referenced copy, 0 for normal */ |
| 1743 | ipp_copycb_t cb, /* I - Copy callback or @code NULL@ for none */ |
| 1744 | void *context) /* I - Context pointer */ |
| 1745 | { |
| 1746 | ipp_attribute_t *srcattr; /* Source attribute */ |
| 1747 | |
| 1748 | |
| 1749 | DEBUG_printf(("ippCopyAttributes(dst=%p, src=%p, quickcopy=%d, cb=%p, context=%p)", (void *)dst, (void *)src, quickcopy, (void *)cb, context)); |
| 1750 | |
| 1751 | /* |
| 1752 | * Range check input... |
| 1753 | */ |
| 1754 | |
| 1755 | if (!dst || !src) |
| 1756 | return (0); |
| 1757 | |
| 1758 | /* |
| 1759 | * Loop through source attributes and copy as needed... |
| 1760 | */ |
| 1761 | |
| 1762 | for (srcattr = src->attrs; srcattr; srcattr = srcattr->next) |
| 1763 | if (!cb || (*cb)(context, dst, srcattr)) |
| 1764 | if (!ippCopyAttribute(dst, srcattr, quickcopy)) |
| 1765 | return (0); |
| 1766 | |
| 1767 | return (1); |
| 1768 | } |
| 1769 | |
| 1770 | |
| 1771 | /* |
| 1772 | * 'ippDateToTime()' - Convert from RFC 2579 Date/Time format to time in |
| 1773 | * seconds. |
| 1774 | */ |
| 1775 | |
| 1776 | time_t /* O - UNIX time value */ |
| 1777 | ippDateToTime(const ipp_uchar_t *date) /* I - RFC 2579 date info */ |
| 1778 | { |
| 1779 | struct tm unixdate; /* UNIX date/time info */ |
| 1780 | time_t t; /* Computed time */ |
| 1781 | |
| 1782 | |
| 1783 | if (!date) |
| 1784 | return (0); |
| 1785 | |
| 1786 | memset(&unixdate, 0, sizeof(unixdate)); |
| 1787 | |
| 1788 | /* |
| 1789 | * RFC-2579 date/time format is: |
| 1790 | * |
| 1791 | * Byte(s) Description |
| 1792 | * ------- ----------- |
| 1793 | * 0-1 Year (0 to 65535) |
| 1794 | * 2 Month (1 to 12) |
| 1795 | * 3 Day (1 to 31) |
| 1796 | * 4 Hours (0 to 23) |
| 1797 | * 5 Minutes (0 to 59) |
| 1798 | * 6 Seconds (0 to 60, 60 = "leap second") |
| 1799 | * 7 Deciseconds (0 to 9) |
| 1800 | * 8 +/- UTC |
| 1801 | * 9 UTC hours (0 to 11) |
| 1802 | * 10 UTC minutes (0 to 59) |
| 1803 | */ |
| 1804 | |
| 1805 | unixdate.tm_year = ((date[0] << 8) | date[1]) - 1900; |
| 1806 | unixdate.tm_mon = date[2] - 1; |
| 1807 | unixdate.tm_mday = date[3]; |
| 1808 | unixdate.tm_hour = date[4]; |
| 1809 | unixdate.tm_min = date[5]; |
| 1810 | unixdate.tm_sec = date[6]; |
| 1811 | |
| 1812 | t = mktime(&unixdate); |
| 1813 | |
| 1814 | if (date[8] == '-') |
| 1815 | t += date[9] * 3600 + date[10] * 60; |
| 1816 | else |
| 1817 | t -= date[9] * 3600 + date[10] * 60; |
| 1818 | |
| 1819 | return (t); |
| 1820 | } |
| 1821 | |
| 1822 | |
| 1823 | /* |
| 1824 | * 'ippDelete()' - Delete an IPP message. |
| 1825 | */ |
| 1826 | |
| 1827 | void |
| 1828 | ippDelete(ipp_t *ipp) /* I - IPP message */ |
| 1829 | { |
| 1830 | ipp_attribute_t *attr, /* Current attribute */ |
| 1831 | *next; /* Next attribute */ |
| 1832 | |
| 1833 | |
| 1834 | DEBUG_printf(("ippDelete(ipp=%p)", (void *)ipp)); |
| 1835 | |
| 1836 | if (!ipp) |
| 1837 | return; |
| 1838 | |
| 1839 | ipp->use --; |
| 1840 | if (ipp->use > 0) |
| 1841 | { |
| 1842 | DEBUG_printf(("4debug_retain: %p IPP message (use=%d)", (void *)ipp, ipp->use)); |
| 1843 | return; |
| 1844 | } |
| 1845 | |
| 1846 | DEBUG_printf(("4debug_free: %p IPP message", (void *)ipp)); |
| 1847 | |
| 1848 | for (attr = ipp->attrs; attr != NULL; attr = next) |
| 1849 | { |
| 1850 | next = attr->next; |
| 1851 | |
| 1852 | DEBUG_printf(("4debug_free: %p %s %s%s (%d values)", (void *)attr, attr->name, attr->num_values > 1 ? "1setOf " : "", ippTagString(attr->value_tag), attr->num_values)); |
| 1853 | |
| 1854 | ipp_free_values(attr, 0, attr->num_values); |
| 1855 | |
| 1856 | if (attr->name) |
| 1857 | _cupsStrFree(attr->name); |
| 1858 | |
| 1859 | free(attr); |
| 1860 | } |
| 1861 | |
| 1862 | free(ipp); |
| 1863 | } |
| 1864 | |
| 1865 | |
| 1866 | /* |
| 1867 | * 'ippDeleteAttribute()' - Delete a single attribute in an IPP message. |
| 1868 | * |
| 1869 | * @since CUPS 1.1.19/macOS 10.3@ |
| 1870 | */ |
| 1871 | |
| 1872 | void |
| 1873 | ippDeleteAttribute( |
| 1874 | ipp_t *ipp, /* I - IPP message */ |
| 1875 | ipp_attribute_t *attr) /* I - Attribute to delete */ |
| 1876 | { |
| 1877 | ipp_attribute_t *current, /* Current attribute */ |
| 1878 | *prev; /* Previous attribute */ |
| 1879 | |
| 1880 | |
| 1881 | DEBUG_printf(("ippDeleteAttribute(ipp=%p, attr=%p(%s))", (void *)ipp, (void *)attr, attr ? attr->name : "(null)")); |
| 1882 | |
| 1883 | /* |
| 1884 | * Range check input... |
| 1885 | */ |
| 1886 | |
| 1887 | if (!attr) |
| 1888 | return; |
| 1889 | |
| 1890 | DEBUG_printf(("4debug_free: %p %s %s%s (%d values)", (void *)attr, attr->name, attr->num_values > 1 ? "1setOf " : "", ippTagString(attr->value_tag), attr->num_values)); |
| 1891 | |
| 1892 | /* |
| 1893 | * Find the attribute in the list... |
| 1894 | */ |
| 1895 | |
| 1896 | if (ipp) |
| 1897 | { |
| 1898 | for (current = ipp->attrs, prev = NULL; |
| 1899 | current; |
| 1900 | prev = current, current = current->next) |
| 1901 | if (current == attr) |
| 1902 | { |
| 1903 | /* |
| 1904 | * Found it, remove the attribute from the list... |
| 1905 | */ |
| 1906 | |
| 1907 | if (prev) |
| 1908 | prev->next = current->next; |
| 1909 | else |
| 1910 | ipp->attrs = current->next; |
| 1911 | |
| 1912 | if (current == ipp->last) |
| 1913 | ipp->last = prev; |
| 1914 | |
| 1915 | break; |
| 1916 | } |
| 1917 | |
| 1918 | if (!current) |
| 1919 | return; |
| 1920 | } |
| 1921 | |
| 1922 | /* |
| 1923 | * Free memory used by the attribute... |
| 1924 | */ |
| 1925 | |
| 1926 | ipp_free_values(attr, 0, attr->num_values); |
| 1927 | |
| 1928 | if (attr->name) |
| 1929 | _cupsStrFree(attr->name); |
| 1930 | |
| 1931 | free(attr); |
| 1932 | } |
| 1933 | |
| 1934 | |
| 1935 | /* |
| 1936 | * 'ippDeleteValues()' - Delete values in an attribute. |
| 1937 | * |
| 1938 | * The @code element@ parameter specifies the first value to delete, starting at |
| 1939 | * 0. It must be less than the number of values returned by @link ippGetCount@. |
| 1940 | * |
| 1941 | * The @code attr@ parameter may be modified as a result of setting the value. |
| 1942 | * |
| 1943 | * Deleting all values in an attribute deletes the attribute. |
| 1944 | * |
| 1945 | * @since CUPS 1.6/macOS 10.8@ |
| 1946 | */ |
| 1947 | |
| 1948 | int /* O - 1 on success, 0 on failure */ |
| 1949 | ippDeleteValues( |
| 1950 | ipp_t *ipp, /* I - IPP message */ |
| 1951 | ipp_attribute_t **attr, /* IO - Attribute */ |
| 1952 | int element, /* I - Index of first value to delete (0-based) */ |
| 1953 | int count) /* I - Number of values to delete */ |
| 1954 | { |
| 1955 | /* |
| 1956 | * Range check input... |
| 1957 | */ |
| 1958 | |
| 1959 | if (!ipp || !attr || !*attr || |
| 1960 | element < 0 || element >= (*attr)->num_values || count <= 0 || |
| 1961 | (element + count) >= (*attr)->num_values) |
| 1962 | return (0); |
| 1963 | |
| 1964 | /* |
| 1965 | * If we are deleting all values, just delete the attribute entirely. |
| 1966 | */ |
| 1967 | |
| 1968 | if (count == (*attr)->num_values) |
| 1969 | { |
| 1970 | ippDeleteAttribute(ipp, *attr); |
| 1971 | *attr = NULL; |
| 1972 | return (1); |
| 1973 | } |
| 1974 | |
| 1975 | /* |
| 1976 | * Otherwise free the values in question and return. |
| 1977 | */ |
| 1978 | |
| 1979 | ipp_free_values(*attr, element, count); |
| 1980 | |
| 1981 | return (1); |
| 1982 | } |
| 1983 | |
| 1984 | |
| 1985 | /* |
| 1986 | * 'ippFindAttribute()' - Find a named attribute in a request. |
| 1987 | * |
| 1988 | * Starting with CUPS 2.0, the attribute name can contain a hierarchical list |
| 1989 | * of attribute and member names separated by slashes, for example |
| 1990 | * "media-col/media-size". |
| 1991 | */ |
| 1992 | |
| 1993 | ipp_attribute_t * /* O - Matching attribute */ |
| 1994 | ippFindAttribute(ipp_t *ipp, /* I - IPP message */ |
| 1995 | const char *name, /* I - Name of attribute */ |
| 1996 | ipp_tag_t type) /* I - Type of attribute */ |
| 1997 | { |
| 1998 | DEBUG_printf(("2ippFindAttribute(ipp=%p, name=\"%s\", type=%02x(%s))", (void *)ipp, name, type, ippTagString(type))); |
| 1999 | |
| 2000 | if (!ipp || !name) |
| 2001 | return (NULL); |
| 2002 | |
| 2003 | /* |
| 2004 | * Reset the current pointer... |
| 2005 | */ |
| 2006 | |
| 2007 | ipp->current = NULL; |
| 2008 | ipp->atend = 0; |
| 2009 | |
| 2010 | /* |
| 2011 | * Search for the attribute... |
| 2012 | */ |
| 2013 | |
| 2014 | return (ippFindNextAttribute(ipp, name, type)); |
| 2015 | } |
| 2016 | |
| 2017 | |
| 2018 | /* |
| 2019 | * 'ippFindNextAttribute()' - Find the next named attribute in a request. |
| 2020 | * |
| 2021 | * Starting with CUPS 2.0, the attribute name can contain a hierarchical list |
| 2022 | * of attribute and member names separated by slashes, for example |
| 2023 | * "media-col/media-size". |
| 2024 | */ |
| 2025 | |
| 2026 | ipp_attribute_t * /* O - Matching attribute */ |
| 2027 | ippFindNextAttribute(ipp_t *ipp, /* I - IPP message */ |
| 2028 | const char *name, /* I - Name of attribute */ |
| 2029 | ipp_tag_t type) /* I - Type of attribute */ |
| 2030 | { |
| 2031 | ipp_attribute_t *attr, /* Current atttribute */ |
| 2032 | *childattr; /* Child attribute */ |
| 2033 | ipp_tag_t value_tag; /* Value tag */ |
| 2034 | char parent[1024], /* Parent attribute name */ |
| 2035 | *child = NULL; /* Child attribute name */ |
| 2036 | |
| 2037 | |
| 2038 | DEBUG_printf(("2ippFindNextAttribute(ipp=%p, name=\"%s\", type=%02x(%s))", (void *)ipp, name, type, ippTagString(type))); |
| 2039 | |
| 2040 | if (!ipp || !name) |
| 2041 | return (NULL); |
| 2042 | |
| 2043 | DEBUG_printf(("3ippFindNextAttribute: atend=%d", ipp->atend)); |
| 2044 | |
| 2045 | if (ipp->atend) |
| 2046 | return (NULL); |
| 2047 | |
| 2048 | if (strchr(name, '/')) |
| 2049 | { |
| 2050 | /* |
| 2051 | * Search for child attribute... |
| 2052 | */ |
| 2053 | |
| 2054 | strlcpy(parent, name, sizeof(parent)); |
| 2055 | if ((child = strchr(parent, '/')) == NULL) |
| 2056 | { |
| 2057 | DEBUG_puts("3ippFindNextAttribute: Attribute name too long."); |
| 2058 | return (NULL); |
| 2059 | } |
| 2060 | |
| 2061 | *child++ = '\0'; |
| 2062 | |
| 2063 | if (ipp->current && ipp->current->name && ipp->current->value_tag == IPP_TAG_BEGIN_COLLECTION && !strcmp(parent, ipp->current->name)) |
| 2064 | { |
| 2065 | while (ipp->curindex < ipp->current->num_values) |
| 2066 | { |
| 2067 | if ((childattr = ippFindNextAttribute(ipp->current->values[ipp->curindex].collection, child, type)) != NULL) |
| 2068 | return (childattr); |
| 2069 | |
| 2070 | ipp->curindex ++; |
| 2071 | if (ipp->curindex < ipp->current->num_values && ipp->current->values[ipp->curindex].collection) |
| 2072 | ipp->current->values[ipp->curindex].collection->current = NULL; |
| 2073 | } |
| 2074 | |
| 2075 | ipp->prev = ipp->current; |
| 2076 | ipp->current = ipp->current->next; |
| 2077 | ipp->curindex = 0; |
| 2078 | |
| 2079 | if (!ipp->current) |
| 2080 | { |
| 2081 | ipp->atend = 1; |
| 2082 | return (NULL); |
| 2083 | } |
| 2084 | } |
| 2085 | |
| 2086 | if (!ipp->current) |
| 2087 | { |
| 2088 | ipp->prev = NULL; |
| 2089 | ipp->current = ipp->attrs; |
| 2090 | ipp->curindex = 0; |
| 2091 | } |
| 2092 | |
| 2093 | name = parent; |
| 2094 | attr = ipp->current; |
| 2095 | } |
| 2096 | else if (ipp->current) |
| 2097 | { |
| 2098 | ipp->prev = ipp->current; |
| 2099 | attr = ipp->current->next; |
| 2100 | } |
| 2101 | else |
| 2102 | { |
| 2103 | ipp->prev = NULL; |
| 2104 | attr = ipp->attrs; |
| 2105 | } |
| 2106 | |
| 2107 | for (; attr != NULL; ipp->prev = attr, attr = attr->next) |
| 2108 | { |
| 2109 | DEBUG_printf(("4ippFindAttribute: attr=%p, name=\"%s\"", (void *)attr, attr->name)); |
| 2110 | |
| 2111 | value_tag = (ipp_tag_t)(attr->value_tag & IPP_TAG_CUPS_MASK); |
| 2112 | |
| 2113 | if (attr->name != NULL && _cups_strcasecmp(attr->name, name) == 0 && |
| 2114 | (value_tag == type || type == IPP_TAG_ZERO || name == parent || |
| 2115 | (value_tag == IPP_TAG_TEXTLANG && type == IPP_TAG_TEXT) || |
| 2116 | (value_tag == IPP_TAG_NAMELANG && type == IPP_TAG_NAME))) |
| 2117 | { |
| 2118 | ipp->current = attr; |
| 2119 | |
| 2120 | if (name == parent && attr->value_tag == IPP_TAG_BEGIN_COLLECTION) |
| 2121 | { |
| 2122 | int i; /* Looping var */ |
| 2123 | |
| 2124 | for (i = 0; i < attr->num_values; i ++) |
| 2125 | { |
| 2126 | if ((childattr = ippFindAttribute(attr->values[i].collection, child, type)) != NULL) |
| 2127 | { |
| 2128 | attr->values[0].collection->curindex = i; |
| 2129 | return (childattr); |
| 2130 | } |
| 2131 | } |
| 2132 | } |
| 2133 | else |
| 2134 | return (attr); |
| 2135 | } |
| 2136 | } |
| 2137 | |
| 2138 | ipp->current = NULL; |
| 2139 | ipp->prev = NULL; |
| 2140 | ipp->atend = 1; |
| 2141 | |
| 2142 | return (NULL); |
| 2143 | } |
| 2144 | |
| 2145 | |
| 2146 | /* |
| 2147 | * 'ippFirstAttribute()' - Return the first attribute in the message. |
| 2148 | * |
| 2149 | * @since CUPS 1.6/macOS 10.8@ |
| 2150 | */ |
| 2151 | |
| 2152 | ipp_attribute_t * /* O - First attribute or @code NULL@ if none */ |
| 2153 | ippFirstAttribute(ipp_t *ipp) /* I - IPP message */ |
| 2154 | { |
| 2155 | /* |
| 2156 | * Range check input... |
| 2157 | */ |
| 2158 | |
| 2159 | if (!ipp) |
| 2160 | return (NULL); |
| 2161 | |
| 2162 | /* |
| 2163 | * Return the first attribute... |
| 2164 | */ |
| 2165 | |
| 2166 | return (ipp->current = ipp->attrs); |
| 2167 | } |
| 2168 | |
| 2169 | |
| 2170 | /* |
| 2171 | * 'ippGetBoolean()' - Get a boolean value for an attribute. |
| 2172 | * |
| 2173 | * The @code element@ parameter specifies which value to get from 0 to |
| 2174 | * @code ippGetCount(attr)@ - 1. |
| 2175 | * |
| 2176 | * @since CUPS 1.6/macOS 10.8@ |
| 2177 | */ |
| 2178 | |
| 2179 | int /* O - Boolean value or 0 on error */ |
| 2180 | ippGetBoolean(ipp_attribute_t *attr, /* I - IPP attribute */ |
| 2181 | int element) /* I - Value number (0-based) */ |
| 2182 | { |
| 2183 | /* |
| 2184 | * Range check input... |
| 2185 | */ |
| 2186 | |
| 2187 | if (!attr || attr->value_tag != IPP_TAG_BOOLEAN || |
| 2188 | element < 0 || element >= attr->num_values) |
| 2189 | return (0); |
| 2190 | |
| 2191 | /* |
| 2192 | * Return the value... |
| 2193 | */ |
| 2194 | |
| 2195 | return (attr->values[element].boolean); |
| 2196 | } |
| 2197 | |
| 2198 | |
| 2199 | /* |
| 2200 | * 'ippGetCollection()' - Get a collection value for an attribute. |
| 2201 | * |
| 2202 | * The @code element@ parameter specifies which value to get from 0 to |
| 2203 | * @code ippGetCount(attr)@ - 1. |
| 2204 | * |
| 2205 | * @since CUPS 1.6/macOS 10.8@ |
| 2206 | */ |
| 2207 | |
| 2208 | ipp_t * /* O - Collection value or @code NULL@ on error */ |
| 2209 | ippGetCollection( |
| 2210 | ipp_attribute_t *attr, /* I - IPP attribute */ |
| 2211 | int element) /* I - Value number (0-based) */ |
| 2212 | { |
| 2213 | /* |
| 2214 | * Range check input... |
| 2215 | */ |
| 2216 | |
| 2217 | if (!attr || attr->value_tag != IPP_TAG_BEGIN_COLLECTION || |
| 2218 | element < 0 || element >= attr->num_values) |
| 2219 | return (NULL); |
| 2220 | |
| 2221 | /* |
| 2222 | * Return the value... |
| 2223 | */ |
| 2224 | |
| 2225 | return (attr->values[element].collection); |
| 2226 | } |
| 2227 | |
| 2228 | |
| 2229 | /* |
| 2230 | * 'ippGetCount()' - Get the number of values in an attribute. |
| 2231 | * |
| 2232 | * @since CUPS 1.6/macOS 10.8@ |
| 2233 | */ |
| 2234 | |
| 2235 | int /* O - Number of values or 0 on error */ |
| 2236 | ippGetCount(ipp_attribute_t *attr) /* I - IPP attribute */ |
| 2237 | { |
| 2238 | /* |
| 2239 | * Range check input... |
| 2240 | */ |
| 2241 | |
| 2242 | if (!attr) |
| 2243 | return (0); |
| 2244 | |
| 2245 | /* |
| 2246 | * Return the number of values... |
| 2247 | */ |
| 2248 | |
| 2249 | return (attr->num_values); |
| 2250 | } |
| 2251 | |
| 2252 | |
| 2253 | /* |
| 2254 | * 'ippGetDate()' - Get a dateTime value for an attribute. |
| 2255 | * |
| 2256 | * The @code element@ parameter specifies which value to get from 0 to |
| 2257 | * @code ippGetCount(attr)@ - 1. |
| 2258 | * |
| 2259 | * @since CUPS 1.6/macOS 10.8@ |
| 2260 | */ |
| 2261 | |
| 2262 | const ipp_uchar_t * /* O - dateTime value or @code NULL@ */ |
| 2263 | ippGetDate(ipp_attribute_t *attr, /* I - IPP attribute */ |
| 2264 | int element) /* I - Value number (0-based) */ |
| 2265 | { |
| 2266 | /* |
| 2267 | * Range check input... |
| 2268 | */ |
| 2269 | |
| 2270 | if (!attr || attr->value_tag != IPP_TAG_DATE || |
| 2271 | element < 0 || element >= attr->num_values) |
| 2272 | return (NULL); |
| 2273 | |
| 2274 | /* |
| 2275 | * Return the value... |
| 2276 | */ |
| 2277 | |
| 2278 | return (attr->values[element].date); |
| 2279 | } |
| 2280 | |
| 2281 | |
| 2282 | /* |
| 2283 | * 'ippGetGroupTag()' - Get the group associated with an attribute. |
| 2284 | * |
| 2285 | * @since CUPS 1.6/macOS 10.8@ |
| 2286 | */ |
| 2287 | |
| 2288 | ipp_tag_t /* O - Group tag or @code IPP_TAG_ZERO@ on error */ |
| 2289 | ippGetGroupTag(ipp_attribute_t *attr) /* I - IPP attribute */ |
| 2290 | { |
| 2291 | /* |
| 2292 | * Range check input... |
| 2293 | */ |
| 2294 | |
| 2295 | if (!attr) |
| 2296 | return (IPP_TAG_ZERO); |
| 2297 | |
| 2298 | /* |
| 2299 | * Return the group... |
| 2300 | */ |
| 2301 | |
| 2302 | return (attr->group_tag); |
| 2303 | } |
| 2304 | |
| 2305 | |
| 2306 | /* |
| 2307 | * 'ippGetInteger()' - Get the integer/enum value for an attribute. |
| 2308 | * |
| 2309 | * The @code element@ parameter specifies which value to get from 0 to |
| 2310 | * @code ippGetCount(attr)@ - 1. |
| 2311 | * |
| 2312 | * @since CUPS 1.6/macOS 10.8@ |
| 2313 | */ |
| 2314 | |
| 2315 | int /* O - Value or 0 on error */ |
| 2316 | ippGetInteger(ipp_attribute_t *attr, /* I - IPP attribute */ |
| 2317 | int element) /* I - Value number (0-based) */ |
| 2318 | { |
| 2319 | /* |
| 2320 | * Range check input... |
| 2321 | */ |
| 2322 | |
| 2323 | if (!attr || (attr->value_tag != IPP_TAG_INTEGER && attr->value_tag != IPP_TAG_ENUM) || |
| 2324 | element < 0 || element >= attr->num_values) |
| 2325 | return (0); |
| 2326 | |
| 2327 | /* |
| 2328 | * Return the value... |
| 2329 | */ |
| 2330 | |
| 2331 | return (attr->values[element].integer); |
| 2332 | } |
| 2333 | |
| 2334 | |
| 2335 | /* |
| 2336 | * 'ippGetName()' - Get the attribute name. |
| 2337 | * |
| 2338 | * @since CUPS 1.6/macOS 10.8@ |
| 2339 | */ |
| 2340 | |
| 2341 | const char * /* O - Attribute name or @code NULL@ for separators */ |
| 2342 | ippGetName(ipp_attribute_t *attr) /* I - IPP attribute */ |
| 2343 | { |
| 2344 | /* |
| 2345 | * Range check input... |
| 2346 | */ |
| 2347 | |
| 2348 | if (!attr) |
| 2349 | return (NULL); |
| 2350 | |
| 2351 | /* |
| 2352 | * Return the name... |
| 2353 | */ |
| 2354 | |
| 2355 | return (attr->name); |
| 2356 | } |
| 2357 | |
| 2358 | |
| 2359 | /* |
| 2360 | * 'ippGetOctetString()' - Get an octetString value from an IPP attribute. |
| 2361 | * |
| 2362 | * The @code element@ parameter specifies which value to get from 0 to |
| 2363 | * @code ippGetCount(attr)@ - 1. |
| 2364 | * |
| 2365 | * @since CUPS 1.7/macOS 10.9@ |
| 2366 | */ |
| 2367 | |
| 2368 | void * /* O - Pointer to octetString data */ |
| 2369 | ippGetOctetString( |
| 2370 | ipp_attribute_t *attr, /* I - IPP attribute */ |
| 2371 | int element, /* I - Value number (0-based) */ |
| 2372 | int *datalen) /* O - Length of octetString data */ |
| 2373 | { |
| 2374 | /* |
| 2375 | * Range check input... |
| 2376 | */ |
| 2377 | |
| 2378 | if (!attr || attr->value_tag != IPP_TAG_STRING || |
| 2379 | element < 0 || element >= attr->num_values) |
| 2380 | { |
| 2381 | if (datalen) |
| 2382 | *datalen = 0; |
| 2383 | |
| 2384 | return (NULL); |
| 2385 | } |
| 2386 | |
| 2387 | /* |
| 2388 | * Return the values... |
| 2389 | */ |
| 2390 | |
| 2391 | if (datalen) |
| 2392 | *datalen = attr->values[element].unknown.length; |
| 2393 | |
| 2394 | return (attr->values[element].unknown.data); |
| 2395 | } |
| 2396 | |
| 2397 | |
| 2398 | /* |
| 2399 | * 'ippGetOperation()' - Get the operation ID in an IPP message. |
| 2400 | * |
| 2401 | * @since CUPS 1.6/macOS 10.8@ |
| 2402 | */ |
| 2403 | |
| 2404 | ipp_op_t /* O - Operation ID or 0 on error */ |
| 2405 | ippGetOperation(ipp_t *ipp) /* I - IPP request message */ |
| 2406 | { |
| 2407 | /* |
| 2408 | * Range check input... |
| 2409 | */ |
| 2410 | |
| 2411 | if (!ipp) |
| 2412 | return ((ipp_op_t)0); |
| 2413 | |
| 2414 | /* |
| 2415 | * Return the value... |
| 2416 | */ |
| 2417 | |
| 2418 | return (ipp->request.op.operation_id); |
| 2419 | } |
| 2420 | |
| 2421 | |
| 2422 | /* |
| 2423 | * 'ippGetRange()' - Get a rangeOfInteger value from an attribute. |
| 2424 | * |
| 2425 | * The @code element@ parameter specifies which value to get from 0 to |
| 2426 | * @code ippGetCount(attr)@ - 1. |
| 2427 | * |
| 2428 | * @since CUPS 1.6/macOS 10.8@ |
| 2429 | */ |
| 2430 | |
| 2431 | int /* O - Lower value of range or 0 */ |
| 2432 | ippGetRange(ipp_attribute_t *attr, /* I - IPP attribute */ |
| 2433 | int element, /* I - Value number (0-based) */ |
| 2434 | int *uppervalue)/* O - Upper value of range */ |
| 2435 | { |
| 2436 | /* |
| 2437 | * Range check input... |
| 2438 | */ |
| 2439 | |
| 2440 | if (!attr || attr->value_tag != IPP_TAG_RANGE || |
| 2441 | element < 0 || element >= attr->num_values) |
| 2442 | { |
| 2443 | if (uppervalue) |
| 2444 | *uppervalue = 0; |
| 2445 | |
| 2446 | return (0); |
| 2447 | } |
| 2448 | |
| 2449 | /* |
| 2450 | * Return the values... |
| 2451 | */ |
| 2452 | |
| 2453 | if (uppervalue) |
| 2454 | *uppervalue = attr->values[element].range.upper; |
| 2455 | |
| 2456 | return (attr->values[element].range.lower); |
| 2457 | } |
| 2458 | |
| 2459 | |
| 2460 | /* |
| 2461 | * 'ippGetRequestId()' - Get the request ID from an IPP message. |
| 2462 | * |
| 2463 | * @since CUPS 1.6/macOS 10.8@ |
| 2464 | */ |
| 2465 | |
| 2466 | int /* O - Request ID or 0 on error */ |
| 2467 | ippGetRequestId(ipp_t *ipp) /* I - IPP message */ |
| 2468 | { |
| 2469 | /* |
| 2470 | * Range check input... |
| 2471 | */ |
| 2472 | |
| 2473 | if (!ipp) |
| 2474 | return (0); |
| 2475 | |
| 2476 | /* |
| 2477 | * Return the request ID... |
| 2478 | */ |
| 2479 | |
| 2480 | return (ipp->request.any.request_id); |
| 2481 | } |
| 2482 | |
| 2483 | |
| 2484 | /* |
| 2485 | * 'ippGetResolution()' - Get a resolution value for an attribute. |
| 2486 | * |
| 2487 | * The @code element@ parameter specifies which value to get from 0 to |
| 2488 | * @code ippGetCount(attr)@ - 1. |
| 2489 | * |
| 2490 | * @since CUPS 1.6/macOS 10.8@ |
| 2491 | */ |
| 2492 | |
| 2493 | int /* O - Horizontal/cross feed resolution or 0 */ |
| 2494 | ippGetResolution( |
| 2495 | ipp_attribute_t *attr, /* I - IPP attribute */ |
| 2496 | int element, /* I - Value number (0-based) */ |
| 2497 | int *yres, /* O - Vertical/feed resolution */ |
| 2498 | ipp_res_t *units) /* O - Units for resolution */ |
| 2499 | { |
| 2500 | /* |
| 2501 | * Range check input... |
| 2502 | */ |
| 2503 | |
| 2504 | if (!attr || attr->value_tag != IPP_TAG_RESOLUTION || |
| 2505 | element < 0 || element >= attr->num_values) |
| 2506 | { |
| 2507 | if (yres) |
| 2508 | *yres = 0; |
| 2509 | |
| 2510 | if (units) |
| 2511 | *units = (ipp_res_t)0; |
| 2512 | |
| 2513 | return (0); |
| 2514 | } |
| 2515 | |
| 2516 | /* |
| 2517 | * Return the value... |
| 2518 | */ |
| 2519 | |
| 2520 | if (yres) |
| 2521 | *yres = attr->values[element].resolution.yres; |
| 2522 | |
| 2523 | if (units) |
| 2524 | *units = attr->values[element].resolution.units; |
| 2525 | |
| 2526 | return (attr->values[element].resolution.xres); |
| 2527 | } |
| 2528 | |
| 2529 | |
| 2530 | /* |
| 2531 | * 'ippGetState()' - Get the IPP message state. |
| 2532 | * |
| 2533 | * @since CUPS 1.6/macOS 10.8@ |
| 2534 | */ |
| 2535 | |
| 2536 | ipp_state_t /* O - IPP message state value */ |
| 2537 | ippGetState(ipp_t *ipp) /* I - IPP message */ |
| 2538 | { |
| 2539 | /* |
| 2540 | * Range check input... |
| 2541 | */ |
| 2542 | |
| 2543 | if (!ipp) |
| 2544 | return (IPP_STATE_IDLE); |
| 2545 | |
| 2546 | /* |
| 2547 | * Return the value... |
| 2548 | */ |
| 2549 | |
| 2550 | return (ipp->state); |
| 2551 | } |
| 2552 | |
| 2553 | |
| 2554 | /* |
| 2555 | * 'ippGetStatusCode()' - Get the status code from an IPP response or event message. |
| 2556 | * |
| 2557 | * @since CUPS 1.6/macOS 10.8@ |
| 2558 | */ |
| 2559 | |
| 2560 | ipp_status_t /* O - Status code in IPP message */ |
| 2561 | ippGetStatusCode(ipp_t *ipp) /* I - IPP response or event message */ |
| 2562 | { |
| 2563 | /* |
| 2564 | * Range check input... |
| 2565 | */ |
| 2566 | |
| 2567 | if (!ipp) |
| 2568 | return (IPP_STATUS_ERROR_INTERNAL); |
| 2569 | |
| 2570 | /* |
| 2571 | * Return the value... |
| 2572 | */ |
| 2573 | |
| 2574 | return (ipp->request.status.status_code); |
| 2575 | } |
| 2576 | |
| 2577 | |
| 2578 | /* |
| 2579 | * 'ippGetString()' - Get the string and optionally the language code for an attribute. |
| 2580 | * |
| 2581 | * The @code element@ parameter specifies which value to get from 0 to |
| 2582 | * @code ippGetCount(attr)@ - 1. |
| 2583 | * |
| 2584 | * @since CUPS 1.6/macOS 10.8@ |
| 2585 | */ |
| 2586 | |
| 2587 | const char * |
| 2588 | ippGetString(ipp_attribute_t *attr, /* I - IPP attribute */ |
| 2589 | int element, /* I - Value number (0-based) */ |
| 2590 | const char **language)/* O - Language code (@code NULL@ for don't care) */ |
| 2591 | { |
| 2592 | ipp_tag_t tag; /* Value tag */ |
| 2593 | |
| 2594 | |
| 2595 | /* |
| 2596 | * Range check input... |
| 2597 | */ |
| 2598 | |
| 2599 | tag = ippGetValueTag(attr); |
| 2600 | |
| 2601 | if (!attr || element < 0 || element >= attr->num_values || (tag != IPP_TAG_TEXTLANG && tag != IPP_TAG_NAMELANG && (tag < IPP_TAG_TEXT || tag > IPP_TAG_MIMETYPE))) |
| 2602 | return (NULL); |
| 2603 | |
| 2604 | /* |
| 2605 | * Return the value... |
| 2606 | */ |
| 2607 | |
| 2608 | if (language) |
| 2609 | *language = attr->values[element].string.language; |
| 2610 | |
| 2611 | return (attr->values[element].string.text); |
| 2612 | } |
| 2613 | |
| 2614 | |
| 2615 | /* |
| 2616 | * 'ippGetValueTag()' - Get the value tag for an attribute. |
| 2617 | * |
| 2618 | * @since CUPS 1.6/macOS 10.8@ |
| 2619 | */ |
| 2620 | |
| 2621 | ipp_tag_t /* O - Value tag or @code IPP_TAG_ZERO@ on error */ |
| 2622 | ippGetValueTag(ipp_attribute_t *attr) /* I - IPP attribute */ |
| 2623 | { |
| 2624 | /* |
| 2625 | * Range check input... |
| 2626 | */ |
| 2627 | |
| 2628 | if (!attr) |
| 2629 | return (IPP_TAG_ZERO); |
| 2630 | |
| 2631 | /* |
| 2632 | * Return the value... |
| 2633 | */ |
| 2634 | |
| 2635 | return (attr->value_tag & IPP_TAG_CUPS_MASK); |
| 2636 | } |
| 2637 | |
| 2638 | |
| 2639 | /* |
| 2640 | * 'ippGetVersion()' - Get the major and minor version number from an IPP message. |
| 2641 | * |
| 2642 | * @since CUPS 1.6/macOS 10.8@ |
| 2643 | */ |
| 2644 | |
| 2645 | int /* O - Major version number or 0 on error */ |
| 2646 | ippGetVersion(ipp_t *ipp, /* I - IPP message */ |
| 2647 | int *minor) /* O - Minor version number or @code NULL@ for don't care */ |
| 2648 | { |
| 2649 | /* |
| 2650 | * Range check input... |
| 2651 | */ |
| 2652 | |
| 2653 | if (!ipp) |
| 2654 | { |
| 2655 | if (minor) |
| 2656 | *minor = 0; |
| 2657 | |
| 2658 | return (0); |
| 2659 | } |
| 2660 | |
| 2661 | /* |
| 2662 | * Return the value... |
| 2663 | */ |
| 2664 | |
| 2665 | if (minor) |
| 2666 | *minor = ipp->request.any.version[1]; |
| 2667 | |
| 2668 | return (ipp->request.any.version[0]); |
| 2669 | } |
| 2670 | |
| 2671 | |
| 2672 | /* |
| 2673 | * 'ippLength()' - Compute the length of an IPP message. |
| 2674 | */ |
| 2675 | |
| 2676 | size_t /* O - Size of IPP message */ |
| 2677 | ippLength(ipp_t *ipp) /* I - IPP message */ |
| 2678 | { |
| 2679 | return (ipp_length(ipp, 0)); |
| 2680 | } |
| 2681 | |
| 2682 | |
| 2683 | /* |
| 2684 | * 'ippNextAttribute()' - Return the next attribute in the message. |
| 2685 | * |
| 2686 | * @since CUPS 1.6/macOS 10.8@ |
| 2687 | */ |
| 2688 | |
| 2689 | ipp_attribute_t * /* O - Next attribute or @code NULL@ if none */ |
| 2690 | ippNextAttribute(ipp_t *ipp) /* I - IPP message */ |
| 2691 | { |
| 2692 | /* |
| 2693 | * Range check input... |
| 2694 | */ |
| 2695 | |
| 2696 | if (!ipp || !ipp->current) |
| 2697 | return (NULL); |
| 2698 | |
| 2699 | /* |
| 2700 | * Return the next attribute... |
| 2701 | */ |
| 2702 | |
| 2703 | return (ipp->current = ipp->current->next); |
| 2704 | } |
| 2705 | |
| 2706 | |
| 2707 | /* |
| 2708 | * 'ippNew()' - Allocate a new IPP message. |
| 2709 | */ |
| 2710 | |
| 2711 | ipp_t * /* O - New IPP message */ |
| 2712 | ippNew(void) |
| 2713 | { |
| 2714 | ipp_t *temp; /* New IPP message */ |
| 2715 | _cups_globals_t *cg = _cupsGlobals(); |
| 2716 | /* Global data */ |
| 2717 | |
| 2718 | |
| 2719 | DEBUG_puts("ippNew()"); |
| 2720 | |
| 2721 | if ((temp = (ipp_t *)calloc(1, sizeof(ipp_t))) != NULL) |
| 2722 | { |
| 2723 | /* |
| 2724 | * Set default version - usually 2.0... |
| 2725 | */ |
| 2726 | |
| 2727 | DEBUG_printf(("4debug_alloc: %p IPP message", (void *)temp)); |
| 2728 | |
| 2729 | if (cg->server_version == 0) |
| 2730 | _cupsSetDefaults(); |
| 2731 | |
| 2732 | temp->request.any.version[0] = (ipp_uchar_t)(cg->server_version / 10); |
| 2733 | temp->request.any.version[1] = (ipp_uchar_t)(cg->server_version % 10); |
| 2734 | temp->use = 1; |
| 2735 | } |
| 2736 | |
| 2737 | DEBUG_printf(("1ippNew: Returning %p", (void *)temp)); |
| 2738 | |
| 2739 | return (temp); |
| 2740 | } |
| 2741 | |
| 2742 | |
| 2743 | /* |
| 2744 | * 'ippNewRequest()' - Allocate a new IPP request message. |
| 2745 | * |
| 2746 | * The new request message is initialized with the "attributes-charset" and |
| 2747 | * "attributes-natural-language" attributes added. The |
| 2748 | * "attributes-natural-language" value is derived from the current locale. |
| 2749 | * |
| 2750 | * @since CUPS 1.2/macOS 10.5@ |
| 2751 | */ |
| 2752 | |
| 2753 | ipp_t * /* O - IPP request message */ |
| 2754 | ippNewRequest(ipp_op_t op) /* I - Operation code */ |
| 2755 | { |
| 2756 | ipp_t *request; /* IPP request message */ |
| 2757 | cups_lang_t *language; /* Current language localization */ |
| 2758 | static int request_id = 0; /* Current request ID */ |
| 2759 | static _cups_mutex_t request_mutex = _CUPS_MUTEX_INITIALIZER; |
| 2760 | /* Mutex for request ID */ |
| 2761 | |
| 2762 | |
| 2763 | DEBUG_printf(("ippNewRequest(op=%02x(%s))", op, ippOpString(op))); |
| 2764 | |
| 2765 | /* |
| 2766 | * Create a new IPP message... |
| 2767 | */ |
| 2768 | |
| 2769 | if ((request = ippNew()) == NULL) |
| 2770 | return (NULL); |
| 2771 | |
| 2772 | /* |
| 2773 | * Set the operation and request ID... |
| 2774 | */ |
| 2775 | |
| 2776 | _cupsMutexLock(&request_mutex); |
| 2777 | |
| 2778 | request->request.op.operation_id = op; |
| 2779 | request->request.op.request_id = ++request_id; |
| 2780 | |
| 2781 | _cupsMutexUnlock(&request_mutex); |
| 2782 | |
| 2783 | /* |
| 2784 | * Use UTF-8 as the character set... |
| 2785 | */ |
| 2786 | |
| 2787 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
| 2788 | "attributes-charset", NULL, "utf-8"); |
| 2789 | |
| 2790 | /* |
| 2791 | * Get the language from the current locale... |
| 2792 | */ |
| 2793 | |
| 2794 | language = cupsLangDefault(); |
| 2795 | |
| 2796 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
| 2797 | "attributes-natural-language", NULL, language->language); |
| 2798 | |
| 2799 | /* |
| 2800 | * Return the new request... |
| 2801 | */ |
| 2802 | |
| 2803 | return (request); |
| 2804 | } |
| 2805 | |
| 2806 | |
| 2807 | /* |
| 2808 | * 'ippNewResponse()' - Allocate a new IPP response message. |
| 2809 | * |
| 2810 | * The new response message is initialized with the same "version-number", |
| 2811 | * "request-id", "attributes-charset", and "attributes-natural-language" as the |
| 2812 | * provided request message. If the "attributes-charset" or |
| 2813 | * "attributes-natural-language" attributes are missing from the request, |
| 2814 | * 'utf-8' and a value derived from the current locale are substituted, |
| 2815 | * respectively. |
| 2816 | * |
| 2817 | * @since CUPS 1.7/macOS 10.9@ |
| 2818 | */ |
| 2819 | |
| 2820 | ipp_t * /* O - IPP response message */ |
| 2821 | ippNewResponse(ipp_t *request) /* I - IPP request message */ |
| 2822 | { |
| 2823 | ipp_t *response; /* IPP response message */ |
| 2824 | ipp_attribute_t *attr; /* Current attribute */ |
| 2825 | |
| 2826 | |
| 2827 | /* |
| 2828 | * Range check input... |
| 2829 | */ |
| 2830 | |
| 2831 | if (!request) |
| 2832 | return (NULL); |
| 2833 | |
| 2834 | /* |
| 2835 | * Create a new IPP message... |
| 2836 | */ |
| 2837 | |
| 2838 | if ((response = ippNew()) == NULL) |
| 2839 | return (NULL); |
| 2840 | |
| 2841 | /* |
| 2842 | * Copy the request values over to the response... |
| 2843 | */ |
| 2844 | |
| 2845 | response->request.status.version[0] = request->request.op.version[0]; |
| 2846 | response->request.status.version[1] = request->request.op.version[1]; |
| 2847 | response->request.status.request_id = request->request.op.request_id; |
| 2848 | |
| 2849 | /* |
| 2850 | * The first attribute MUST be attributes-charset... |
| 2851 | */ |
| 2852 | |
| 2853 | attr = request->attrs; |
| 2854 | |
| 2855 | if (attr && attr->name && !strcmp(attr->name, "attributes-charset") && |
| 2856 | attr->group_tag == IPP_TAG_OPERATION && |
| 2857 | attr->value_tag == IPP_TAG_CHARSET && |
| 2858 | attr->num_values == 1) |
| 2859 | { |
| 2860 | /* |
| 2861 | * Copy charset from request... |
| 2862 | */ |
| 2863 | |
| 2864 | ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
| 2865 | "attributes-charset", NULL, attr->values[0].string.text); |
| 2866 | } |
| 2867 | else |
| 2868 | { |
| 2869 | /* |
| 2870 | * Use "utf-8" as the default... |
| 2871 | */ |
| 2872 | |
| 2873 | ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
| 2874 | "attributes-charset", NULL, "utf-8"); |
| 2875 | } |
| 2876 | |
| 2877 | /* |
| 2878 | * Then attributes-natural-language... |
| 2879 | */ |
| 2880 | |
| 2881 | if (attr) |
| 2882 | attr = attr->next; |
| 2883 | |
| 2884 | if (attr && attr->name && |
| 2885 | !strcmp(attr->name, "attributes-natural-language") && |
| 2886 | attr->group_tag == IPP_TAG_OPERATION && |
| 2887 | attr->value_tag == IPP_TAG_LANGUAGE && |
| 2888 | attr->num_values == 1) |
| 2889 | { |
| 2890 | /* |
| 2891 | * Copy language from request... |
| 2892 | */ |
| 2893 | |
| 2894 | ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
| 2895 | "attributes-natural-language", NULL, |
| 2896 | attr->values[0].string.text); |
| 2897 | } |
| 2898 | else |
| 2899 | { |
| 2900 | /* |
| 2901 | * Use the language from the current locale... |
| 2902 | */ |
| 2903 | |
| 2904 | cups_lang_t *language = cupsLangDefault(); |
| 2905 | /* Current locale */ |
| 2906 | |
| 2907 | ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
| 2908 | "attributes-natural-language", NULL, language->language); |
| 2909 | } |
| 2910 | |
| 2911 | return (response); |
| 2912 | } |
| 2913 | |
| 2914 | |
| 2915 | /* |
| 2916 | * 'ippRead()' - Read data for an IPP message from a HTTP connection. |
| 2917 | */ |
| 2918 | |
| 2919 | ipp_state_t /* O - Current state */ |
| 2920 | ippRead(http_t *http, /* I - HTTP connection */ |
| 2921 | ipp_t *ipp) /* I - IPP data */ |
| 2922 | { |
| 2923 | DEBUG_printf(("ippRead(http=%p, ipp=%p), data_remaining=" CUPS_LLFMT, (void *)http, (void *)ipp, CUPS_LLCAST (http ? http->data_remaining : -1))); |
| 2924 | |
| 2925 | if (!http) |
| 2926 | return (IPP_STATE_ERROR); |
| 2927 | |
| 2928 | DEBUG_printf(("2ippRead: http->state=%d, http->used=%d", http->state, http->used)); |
| 2929 | |
| 2930 | return (ippReadIO(http, (ipp_iocb_t)ipp_read_http, http->blocking, NULL, |
| 2931 | ipp)); |
| 2932 | } |
| 2933 | |
| 2934 | |
| 2935 | /* |
| 2936 | * 'ippReadFile()' - Read data for an IPP message from a file. |
| 2937 | * |
| 2938 | * @since CUPS 1.1.19/macOS 10.3@ |
| 2939 | */ |
| 2940 | |
| 2941 | ipp_state_t /* O - Current state */ |
| 2942 | ippReadFile(int fd, /* I - HTTP data */ |
| 2943 | ipp_t *ipp) /* I - IPP data */ |
| 2944 | { |
| 2945 | DEBUG_printf(("ippReadFile(fd=%d, ipp=%p)", fd, (void *)ipp)); |
| 2946 | |
| 2947 | return (ippReadIO(&fd, (ipp_iocb_t)ipp_read_file, 1, NULL, ipp)); |
| 2948 | } |
| 2949 | |
| 2950 | |
| 2951 | /* |
| 2952 | * 'ippReadIO()' - Read data for an IPP message. |
| 2953 | * |
| 2954 | * @since CUPS 1.2/macOS 10.5@ |
| 2955 | */ |
| 2956 | |
| 2957 | ipp_state_t /* O - Current state */ |
| 2958 | ippReadIO(void *src, /* I - Data source */ |
| 2959 | ipp_iocb_t cb, /* I - Read callback function */ |
| 2960 | int blocking, /* I - Use blocking IO? */ |
| 2961 | ipp_t *parent, /* I - Parent request, if any */ |
| 2962 | ipp_t *ipp) /* I - IPP data */ |
| 2963 | { |
| 2964 | int n; /* Length of data */ |
| 2965 | unsigned char *buffer, /* Data buffer */ |
| 2966 | string[IPP_MAX_TEXT], |
| 2967 | /* Small string buffer */ |
| 2968 | *bufptr; /* Pointer into buffer */ |
| 2969 | ipp_attribute_t *attr; /* Current attribute */ |
| 2970 | ipp_tag_t tag; /* Current tag */ |
| 2971 | ipp_tag_t value_tag; /* Current value tag */ |
| 2972 | _ipp_value_t *value; /* Current value */ |
| 2973 | |
| 2974 | |
| 2975 | DEBUG_printf(("ippReadIO(src=%p, cb=%p, blocking=%d, parent=%p, ipp=%p)", (void *)src, (void *)cb, blocking, (void *)parent, (void *)ipp)); |
| 2976 | DEBUG_printf(("2ippReadIO: ipp->state=%d", ipp ? ipp->state : IPP_STATE_ERROR)); |
| 2977 | |
| 2978 | if (!src || !ipp) |
| 2979 | return (IPP_STATE_ERROR); |
| 2980 | |
| 2981 | if ((buffer = (unsigned char *)_cupsBufferGet(IPP_BUF_SIZE)) == NULL) |
| 2982 | { |
| 2983 | DEBUG_puts("1ippReadIO: Unable to get read buffer."); |
| 2984 | return (IPP_STATE_ERROR); |
| 2985 | } |
| 2986 | |
| 2987 | switch (ipp->state) |
| 2988 | { |
| 2989 | case IPP_STATE_IDLE : |
| 2990 | ipp->state ++; /* Avoid common problem... */ |
| 2991 | |
| 2992 | case IPP_STATE_HEADER : |
| 2993 | if (parent == NULL) |
| 2994 | { |
| 2995 | /* |
| 2996 | * Get the request header... |
| 2997 | */ |
| 2998 | |
| 2999 | if ((*cb)(src, buffer, 8) < 8) |
| 3000 | { |
| 3001 | DEBUG_puts("1ippReadIO: Unable to read header."); |
| 3002 | _cupsBufferRelease((char *)buffer); |
| 3003 | return (IPP_STATE_ERROR); |
| 3004 | } |
| 3005 | |
| 3006 | /* |
| 3007 | * Then copy the request header over... |
| 3008 | */ |
| 3009 | |
| 3010 | ipp->request.any.version[0] = buffer[0]; |
| 3011 | ipp->request.any.version[1] = buffer[1]; |
| 3012 | ipp->request.any.op_status = (buffer[2] << 8) | buffer[3]; |
| 3013 | ipp->request.any.request_id = (((((buffer[4] << 8) | buffer[5]) << 8) | |
| 3014 | buffer[6]) << 8) | buffer[7]; |
| 3015 | |
| 3016 | DEBUG_printf(("2ippReadIO: version=%d.%d", buffer[0], buffer[1])); |
| 3017 | DEBUG_printf(("2ippReadIO: op_status=%04x", |
| 3018 | ipp->request.any.op_status)); |
| 3019 | DEBUG_printf(("2ippReadIO: request_id=%d", |
| 3020 | ipp->request.any.request_id)); |
| 3021 | } |
| 3022 | |
| 3023 | ipp->state = IPP_STATE_ATTRIBUTE; |
| 3024 | ipp->current = NULL; |
| 3025 | ipp->curtag = IPP_TAG_ZERO; |
| 3026 | ipp->prev = ipp->last; |
| 3027 | |
| 3028 | /* |
| 3029 | * If blocking is disabled, stop here... |
| 3030 | */ |
| 3031 | |
| 3032 | if (!blocking) |
| 3033 | break; |
| 3034 | |
| 3035 | case IPP_STATE_ATTRIBUTE : |
| 3036 | for (;;) |
| 3037 | { |
| 3038 | if ((*cb)(src, buffer, 1) < 1) |
| 3039 | { |
| 3040 | DEBUG_puts("1ippReadIO: Callback returned EOF/error"); |
| 3041 | _cupsBufferRelease((char *)buffer); |
| 3042 | return (IPP_STATE_ERROR); |
| 3043 | } |
| 3044 | |
| 3045 | DEBUG_printf(("2ippReadIO: ipp->current=%p, ipp->prev=%p", (void *)ipp->current, (void *)ipp->prev)); |
| 3046 | |
| 3047 | /* |
| 3048 | * Read this attribute... |
| 3049 | */ |
| 3050 | |
| 3051 | tag = (ipp_tag_t)buffer[0]; |
| 3052 | if (tag == IPP_TAG_EXTENSION) |
| 3053 | { |
| 3054 | /* |
| 3055 | * Read 32-bit "extension" tag... |
| 3056 | */ |
| 3057 | |
| 3058 | if ((*cb)(src, buffer, 4) < 1) |
| 3059 | { |
| 3060 | DEBUG_puts("1ippReadIO: Callback returned EOF/error"); |
| 3061 | _cupsBufferRelease((char *)buffer); |
| 3062 | return (IPP_STATE_ERROR); |
| 3063 | } |
| 3064 | |
| 3065 | tag = (ipp_tag_t)((((((buffer[0] << 8) | buffer[1]) << 8) | |
| 3066 | buffer[2]) << 8) | buffer[3]); |
| 3067 | |
| 3068 | if (tag & IPP_TAG_CUPS_CONST) |
| 3069 | { |
| 3070 | /* |
| 3071 | * Fail if the high bit is set in the tag... |
| 3072 | */ |
| 3073 | |
| 3074 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP extension tag larger than 0x7FFFFFFF."), 1); |
| 3075 | DEBUG_printf(("1ippReadIO: bad tag 0x%x.", tag)); |
| 3076 | _cupsBufferRelease((char *)buffer); |
| 3077 | return (IPP_STATE_ERROR); |
| 3078 | } |
| 3079 | } |
| 3080 | |
| 3081 | if (tag == IPP_TAG_END) |
| 3082 | { |
| 3083 | /* |
| 3084 | * No more attributes left... |
| 3085 | */ |
| 3086 | |
| 3087 | DEBUG_puts("2ippReadIO: IPP_TAG_END."); |
| 3088 | |
| 3089 | ipp->state = IPP_STATE_DATA; |
| 3090 | break; |
| 3091 | } |
| 3092 | else if (tag < IPP_TAG_UNSUPPORTED_VALUE) |
| 3093 | { |
| 3094 | /* |
| 3095 | * Group tag... Set the current group and continue... |
| 3096 | */ |
| 3097 | |
| 3098 | if (ipp->curtag == tag) |
| 3099 | ipp->prev = ippAddSeparator(ipp); |
| 3100 | else if (ipp->current) |
| 3101 | ipp->prev = ipp->current; |
| 3102 | |
| 3103 | ipp->curtag = tag; |
| 3104 | ipp->current = NULL; |
| 3105 | DEBUG_printf(("2ippReadIO: group tag=%x(%s), ipp->prev=%p", tag, ippTagString(tag), (void *)ipp->prev)); |
| 3106 | continue; |
| 3107 | } |
| 3108 | |
| 3109 | DEBUG_printf(("2ippReadIO: value tag=%x(%s)", tag, |
| 3110 | ippTagString(tag))); |
| 3111 | |
| 3112 | /* |
| 3113 | * Get the name... |
| 3114 | */ |
| 3115 | |
| 3116 | if ((*cb)(src, buffer, 2) < 2) |
| 3117 | { |
| 3118 | DEBUG_puts("1ippReadIO: unable to read name length."); |
| 3119 | _cupsBufferRelease((char *)buffer); |
| 3120 | return (IPP_STATE_ERROR); |
| 3121 | } |
| 3122 | |
| 3123 | n = (buffer[0] << 8) | buffer[1]; |
| 3124 | |
| 3125 | if (n >= IPP_BUF_SIZE) |
| 3126 | { |
| 3127 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP name larger than 32767 bytes."), 1); |
| 3128 | DEBUG_printf(("1ippReadIO: bad name length %d.", n)); |
| 3129 | _cupsBufferRelease((char *)buffer); |
| 3130 | return (IPP_STATE_ERROR); |
| 3131 | } |
| 3132 | |
| 3133 | DEBUG_printf(("2ippReadIO: name length=%d", n)); |
| 3134 | |
| 3135 | if (n == 0 && tag != IPP_TAG_MEMBERNAME && |
| 3136 | tag != IPP_TAG_END_COLLECTION) |
| 3137 | { |
| 3138 | /* |
| 3139 | * More values for current attribute... |
| 3140 | */ |
| 3141 | |
| 3142 | if (ipp->current == NULL) |
| 3143 | { |
| 3144 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP attribute has no name."), 1); |
| 3145 | DEBUG_puts("1ippReadIO: Attribute without name and no current."); |
| 3146 | _cupsBufferRelease((char *)buffer); |
| 3147 | return (IPP_STATE_ERROR); |
| 3148 | } |
| 3149 | |
| 3150 | attr = ipp->current; |
| 3151 | value_tag = (ipp_tag_t)(attr->value_tag & IPP_TAG_CUPS_MASK); |
| 3152 | |
| 3153 | /* |
| 3154 | * Make sure we aren't adding a new value of a different |
| 3155 | * type... |
| 3156 | */ |
| 3157 | |
| 3158 | if (value_tag == IPP_TAG_ZERO) |
| 3159 | { |
| 3160 | /* |
| 3161 | * Setting the value of a collection member... |
| 3162 | */ |
| 3163 | |
| 3164 | attr->value_tag = tag; |
| 3165 | } |
| 3166 | else if (value_tag == IPP_TAG_TEXTLANG || |
| 3167 | value_tag == IPP_TAG_NAMELANG || |
| 3168 | (value_tag >= IPP_TAG_TEXT && |
| 3169 | value_tag <= IPP_TAG_MIMETYPE)) |
| 3170 | { |
| 3171 | /* |
| 3172 | * String values can sometimes come across in different |
| 3173 | * forms; accept sets of differing values... |
| 3174 | */ |
| 3175 | |
| 3176 | if (tag != IPP_TAG_TEXTLANG && tag != IPP_TAG_NAMELANG && |
| 3177 | (tag < IPP_TAG_TEXT || tag > IPP_TAG_MIMETYPE) && |
| 3178 | tag != IPP_TAG_NOVALUE) |
| 3179 | { |
| 3180 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3181 | _("IPP 1setOf attribute with incompatible value " |
| 3182 | "tags."), 1); |
| 3183 | DEBUG_printf(("1ippReadIO: 1setOf value tag %x(%s) != %x(%s)", |
| 3184 | value_tag, ippTagString(value_tag), tag, |
| 3185 | ippTagString(tag))); |
| 3186 | _cupsBufferRelease((char *)buffer); |
| 3187 | return (IPP_STATE_ERROR); |
| 3188 | } |
| 3189 | |
| 3190 | if (value_tag != tag) |
| 3191 | { |
| 3192 | DEBUG_printf(("1ippReadIO: Converting %s attribute from %s to %s.", |
| 3193 | attr->name, ippTagString(value_tag), ippTagString(tag))); |
| 3194 | ippSetValueTag(ipp, &attr, tag); |
| 3195 | } |
| 3196 | } |
| 3197 | else if (value_tag == IPP_TAG_INTEGER || |
| 3198 | value_tag == IPP_TAG_RANGE) |
| 3199 | { |
| 3200 | /* |
| 3201 | * Integer and rangeOfInteger values can sometimes be mixed; accept |
| 3202 | * sets of differing values... |
| 3203 | */ |
| 3204 | |
| 3205 | if (tag != IPP_TAG_INTEGER && tag != IPP_TAG_RANGE) |
| 3206 | { |
| 3207 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3208 | _("IPP 1setOf attribute with incompatible value " |
| 3209 | "tags."), 1); |
| 3210 | DEBUG_printf(("1ippReadIO: 1setOf value tag %x(%s) != %x(%s)", |
| 3211 | value_tag, ippTagString(value_tag), tag, |
| 3212 | ippTagString(tag))); |
| 3213 | _cupsBufferRelease((char *)buffer); |
| 3214 | return (IPP_STATE_ERROR); |
| 3215 | } |
| 3216 | |
| 3217 | if (value_tag == IPP_TAG_INTEGER && tag == IPP_TAG_RANGE) |
| 3218 | { |
| 3219 | /* |
| 3220 | * Convert integer values to rangeOfInteger values... |
| 3221 | */ |
| 3222 | |
| 3223 | DEBUG_printf(("1ippReadIO: Converting %s attribute to " |
| 3224 | "rangeOfInteger.", attr->name)); |
| 3225 | ippSetValueTag(ipp, &attr, IPP_TAG_RANGE); |
| 3226 | } |
| 3227 | } |
| 3228 | else if (value_tag != tag) |
| 3229 | { |
| 3230 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3231 | _("IPP 1setOf attribute with incompatible value " |
| 3232 | "tags."), 1); |
| 3233 | DEBUG_printf(("1ippReadIO: value tag %x(%s) != %x(%s)", |
| 3234 | value_tag, ippTagString(value_tag), tag, |
| 3235 | ippTagString(tag))); |
| 3236 | _cupsBufferRelease((char *)buffer); |
| 3237 | return (IPP_STATE_ERROR); |
| 3238 | } |
| 3239 | |
| 3240 | /* |
| 3241 | * Finally, reallocate the attribute array as needed... |
| 3242 | */ |
| 3243 | |
| 3244 | if ((value = ipp_set_value(ipp, &attr, attr->num_values)) == NULL) |
| 3245 | { |
| 3246 | _cupsBufferRelease((char *)buffer); |
| 3247 | return (IPP_STATE_ERROR); |
| 3248 | } |
| 3249 | } |
| 3250 | else if (tag == IPP_TAG_MEMBERNAME) |
| 3251 | { |
| 3252 | /* |
| 3253 | * Name must be length 0! |
| 3254 | */ |
| 3255 | |
| 3256 | if (n) |
| 3257 | { |
| 3258 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP member name is not empty."), 1); |
| 3259 | DEBUG_puts("1ippReadIO: member name not empty."); |
| 3260 | _cupsBufferRelease((char *)buffer); |
| 3261 | return (IPP_STATE_ERROR); |
| 3262 | } |
| 3263 | |
| 3264 | if (ipp->current) |
| 3265 | ipp->prev = ipp->current; |
| 3266 | |
| 3267 | attr = ipp->current = ipp_add_attr(ipp, NULL, ipp->curtag, IPP_TAG_ZERO, 1); |
| 3268 | if (!attr) |
| 3269 | { |
| 3270 | _cupsSetHTTPError(HTTP_STATUS_ERROR); |
| 3271 | DEBUG_puts("1ippReadIO: unable to allocate attribute."); |
| 3272 | _cupsBufferRelease((char *)buffer); |
| 3273 | return (IPP_STATE_ERROR); |
| 3274 | } |
| 3275 | |
| 3276 | DEBUG_printf(("2ippReadIO: membername, ipp->current=%p, ipp->prev=%p", (void *)ipp->current, (void *)ipp->prev)); |
| 3277 | |
| 3278 | value = attr->values; |
| 3279 | } |
| 3280 | else if (tag != IPP_TAG_END_COLLECTION) |
| 3281 | { |
| 3282 | /* |
| 3283 | * New attribute; read the name and add it... |
| 3284 | */ |
| 3285 | |
| 3286 | if ((*cb)(src, buffer, (size_t)n) < n) |
| 3287 | { |
| 3288 | DEBUG_puts("1ippReadIO: unable to read name."); |
| 3289 | _cupsBufferRelease((char *)buffer); |
| 3290 | return (IPP_STATE_ERROR); |
| 3291 | } |
| 3292 | |
| 3293 | buffer[n] = '\0'; |
| 3294 | |
| 3295 | if (ipp->current) |
| 3296 | ipp->prev = ipp->current; |
| 3297 | |
| 3298 | if ((attr = ipp->current = ipp_add_attr(ipp, (char *)buffer, ipp->curtag, tag, |
| 3299 | 1)) == NULL) |
| 3300 | { |
| 3301 | _cupsSetHTTPError(HTTP_STATUS_ERROR); |
| 3302 | DEBUG_puts("1ippReadIO: unable to allocate attribute."); |
| 3303 | _cupsBufferRelease((char *)buffer); |
| 3304 | return (IPP_STATE_ERROR); |
| 3305 | } |
| 3306 | |
| 3307 | DEBUG_printf(("2ippReadIO: name=\"%s\", ipp->current=%p, ipp->prev=%p", buffer, (void *)ipp->current, (void *)ipp->prev)); |
| 3308 | |
| 3309 | value = attr->values; |
| 3310 | } |
| 3311 | else |
| 3312 | { |
| 3313 | attr = NULL; |
| 3314 | value = NULL; |
| 3315 | } |
| 3316 | |
| 3317 | if ((*cb)(src, buffer, 2) < 2) |
| 3318 | { |
| 3319 | DEBUG_puts("1ippReadIO: unable to read value length."); |
| 3320 | _cupsBufferRelease((char *)buffer); |
| 3321 | return (IPP_STATE_ERROR); |
| 3322 | } |
| 3323 | |
| 3324 | n = (buffer[0] << 8) | buffer[1]; |
| 3325 | DEBUG_printf(("2ippReadIO: value length=%d", n)); |
| 3326 | |
| 3327 | if (n >= IPP_BUF_SIZE) |
| 3328 | { |
| 3329 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3330 | _("IPP value larger than 32767 bytes."), 1); |
| 3331 | DEBUG_printf(("1ippReadIO: bad value length %d.", n)); |
| 3332 | _cupsBufferRelease((char *)buffer); |
| 3333 | return (IPP_STATE_ERROR); |
| 3334 | } |
| 3335 | |
| 3336 | switch (tag) |
| 3337 | { |
| 3338 | case IPP_TAG_INTEGER : |
| 3339 | case IPP_TAG_ENUM : |
| 3340 | if (n != 4) |
| 3341 | { |
| 3342 | if (tag == IPP_TAG_INTEGER) |
| 3343 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3344 | _("IPP integer value not 4 bytes."), 1); |
| 3345 | else |
| 3346 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3347 | _("IPP enum value not 4 bytes."), 1); |
| 3348 | DEBUG_printf(("1ippReadIO: bad integer value length %d.", n)); |
| 3349 | _cupsBufferRelease((char *)buffer); |
| 3350 | return (IPP_STATE_ERROR); |
| 3351 | } |
| 3352 | |
| 3353 | if ((*cb)(src, buffer, 4) < 4) |
| 3354 | { |
| 3355 | DEBUG_puts("1ippReadIO: Unable to read integer value."); |
| 3356 | _cupsBufferRelease((char *)buffer); |
| 3357 | return (IPP_STATE_ERROR); |
| 3358 | } |
| 3359 | |
| 3360 | n = (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | |
| 3361 | buffer[3]; |
| 3362 | |
| 3363 | if (attr->value_tag == IPP_TAG_RANGE) |
| 3364 | value->range.lower = value->range.upper = n; |
| 3365 | else |
| 3366 | value->integer = n; |
| 3367 | break; |
| 3368 | |
| 3369 | case IPP_TAG_BOOLEAN : |
| 3370 | if (n != 1) |
| 3371 | { |
| 3372 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP boolean value not 1 byte."), |
| 3373 | 1); |
| 3374 | DEBUG_printf(("1ippReadIO: bad boolean value length %d.", n)); |
| 3375 | _cupsBufferRelease((char *)buffer); |
| 3376 | return (IPP_STATE_ERROR); |
| 3377 | } |
| 3378 | |
| 3379 | if ((*cb)(src, buffer, 1) < 1) |
| 3380 | { |
| 3381 | DEBUG_puts("1ippReadIO: Unable to read boolean value."); |
| 3382 | _cupsBufferRelease((char *)buffer); |
| 3383 | return (IPP_STATE_ERROR); |
| 3384 | } |
| 3385 | |
| 3386 | value->boolean = (char)buffer[0]; |
| 3387 | break; |
| 3388 | |
| 3389 | case IPP_TAG_NOVALUE : |
| 3390 | case IPP_TAG_NOTSETTABLE : |
| 3391 | case IPP_TAG_DELETEATTR : |
| 3392 | case IPP_TAG_ADMINDEFINE : |
| 3393 | /* |
| 3394 | * These value types are not supposed to have values, however |
| 3395 | * some vendors (Brother) do not implement IPP correctly and so |
| 3396 | * we need to map non-empty values to text... |
| 3397 | */ |
| 3398 | |
| 3399 | if (attr->value_tag == tag) |
| 3400 | { |
| 3401 | if (n == 0) |
| 3402 | break; |
| 3403 | |
| 3404 | attr->value_tag = IPP_TAG_TEXT; |
| 3405 | } |
| 3406 | |
| 3407 | case IPP_TAG_TEXT : |
| 3408 | case IPP_TAG_NAME : |
| 3409 | case IPP_TAG_KEYWORD : |
| 3410 | case IPP_TAG_URI : |
| 3411 | case IPP_TAG_URISCHEME : |
| 3412 | case IPP_TAG_CHARSET : |
| 3413 | case IPP_TAG_LANGUAGE : |
| 3414 | case IPP_TAG_MIMETYPE : |
| 3415 | if (n > 0) |
| 3416 | { |
| 3417 | if ((*cb)(src, buffer, (size_t)n) < n) |
| 3418 | { |
| 3419 | DEBUG_puts("1ippReadIO: unable to read string value."); |
| 3420 | _cupsBufferRelease((char *)buffer); |
| 3421 | return (IPP_STATE_ERROR); |
| 3422 | } |
| 3423 | } |
| 3424 | |
| 3425 | buffer[n] = '\0'; |
| 3426 | value->string.text = _cupsStrAlloc((char *)buffer); |
| 3427 | DEBUG_printf(("2ippReadIO: value=\"%s\"", value->string.text)); |
| 3428 | break; |
| 3429 | |
| 3430 | case IPP_TAG_DATE : |
| 3431 | if (n != 11) |
| 3432 | { |
| 3433 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP date value not 11 bytes."), 1); |
| 3434 | DEBUG_printf(("1ippReadIO: bad date value length %d.", n)); |
| 3435 | _cupsBufferRelease((char *)buffer); |
| 3436 | return (IPP_STATE_ERROR); |
| 3437 | } |
| 3438 | |
| 3439 | if ((*cb)(src, value->date, 11) < 11) |
| 3440 | { |
| 3441 | DEBUG_puts("1ippReadIO: Unable to read date value."); |
| 3442 | _cupsBufferRelease((char *)buffer); |
| 3443 | return (IPP_STATE_ERROR); |
| 3444 | } |
| 3445 | break; |
| 3446 | |
| 3447 | case IPP_TAG_RESOLUTION : |
| 3448 | if (n != 9) |
| 3449 | { |
| 3450 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3451 | _("IPP resolution value not 9 bytes."), 1); |
| 3452 | DEBUG_printf(("1ippReadIO: bad resolution value length %d.", n)); |
| 3453 | _cupsBufferRelease((char *)buffer); |
| 3454 | return (IPP_STATE_ERROR); |
| 3455 | } |
| 3456 | |
| 3457 | if ((*cb)(src, buffer, 9) < 9) |
| 3458 | { |
| 3459 | DEBUG_puts("1ippReadIO: Unable to read resolution value."); |
| 3460 | _cupsBufferRelease((char *)buffer); |
| 3461 | return (IPP_STATE_ERROR); |
| 3462 | } |
| 3463 | |
| 3464 | value->resolution.xres = |
| 3465 | (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | |
| 3466 | buffer[3]; |
| 3467 | value->resolution.yres = |
| 3468 | (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) | |
| 3469 | buffer[7]; |
| 3470 | value->resolution.units = |
| 3471 | (ipp_res_t)buffer[8]; |
| 3472 | break; |
| 3473 | |
| 3474 | case IPP_TAG_RANGE : |
| 3475 | if (n != 8) |
| 3476 | { |
| 3477 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3478 | _("IPP rangeOfInteger value not 8 bytes."), 1); |
| 3479 | DEBUG_printf(("1ippReadIO: bad rangeOfInteger value length " |
| 3480 | "%d.", n)); |
| 3481 | _cupsBufferRelease((char *)buffer); |
| 3482 | return (IPP_STATE_ERROR); |
| 3483 | } |
| 3484 | |
| 3485 | if ((*cb)(src, buffer, 8) < 8) |
| 3486 | { |
| 3487 | DEBUG_puts("1ippReadIO: Unable to read range value."); |
| 3488 | _cupsBufferRelease((char *)buffer); |
| 3489 | return (IPP_STATE_ERROR); |
| 3490 | } |
| 3491 | |
| 3492 | value->range.lower = |
| 3493 | (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | |
| 3494 | buffer[3]; |
| 3495 | value->range.upper = |
| 3496 | (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) | |
| 3497 | buffer[7]; |
| 3498 | break; |
| 3499 | |
| 3500 | case IPP_TAG_TEXTLANG : |
| 3501 | case IPP_TAG_NAMELANG : |
| 3502 | if (n < 4) |
| 3503 | { |
| 3504 | if (tag == IPP_TAG_TEXTLANG) |
| 3505 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3506 | _("IPP textWithLanguage value less than " |
| 3507 | "minimum 4 bytes."), 1); |
| 3508 | else |
| 3509 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3510 | _("IPP nameWithLanguage value less than " |
| 3511 | "minimum 4 bytes."), 1); |
| 3512 | DEBUG_printf(("1ippReadIO: bad stringWithLanguage value " |
| 3513 | "length %d.", n)); |
| 3514 | _cupsBufferRelease((char *)buffer); |
| 3515 | return (IPP_STATE_ERROR); |
| 3516 | } |
| 3517 | |
| 3518 | if ((*cb)(src, buffer, (size_t)n) < n) |
| 3519 | { |
| 3520 | DEBUG_puts("1ippReadIO: Unable to read string w/language " |
| 3521 | "value."); |
| 3522 | _cupsBufferRelease((char *)buffer); |
| 3523 | return (IPP_STATE_ERROR); |
| 3524 | } |
| 3525 | |
| 3526 | bufptr = buffer; |
| 3527 | |
| 3528 | /* |
| 3529 | * text-with-language and name-with-language are composite |
| 3530 | * values: |
| 3531 | * |
| 3532 | * language-length |
| 3533 | * language |
| 3534 | * text-length |
| 3535 | * text |
| 3536 | */ |
| 3537 | |
| 3538 | n = (bufptr[0] << 8) | bufptr[1]; |
| 3539 | |
| 3540 | if ((bufptr + 2 + n) >= (buffer + IPP_BUF_SIZE) || n >= (int)sizeof(string)) |
| 3541 | { |
| 3542 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3543 | _("IPP language length overflows value."), 1); |
| 3544 | DEBUG_printf(("1ippReadIO: bad language value length %d.", |
| 3545 | n)); |
| 3546 | _cupsBufferRelease((char *)buffer); |
| 3547 | return (IPP_STATE_ERROR); |
| 3548 | } |
| 3549 | else if (n >= IPP_MAX_LANGUAGE) |
| 3550 | { |
| 3551 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3552 | _("IPP language length too large."), 1); |
| 3553 | DEBUG_printf(("1ippReadIO: bad language value length %d.", |
| 3554 | n)); |
| 3555 | _cupsBufferRelease((char *)buffer); |
| 3556 | return (IPP_STATE_ERROR); |
| 3557 | } |
| 3558 | |
| 3559 | memcpy(string, bufptr + 2, (size_t)n); |
| 3560 | string[n] = '\0'; |
| 3561 | |
| 3562 | value->string.language = _cupsStrAlloc((char *)string); |
| 3563 | |
| 3564 | bufptr += 2 + n; |
| 3565 | n = (bufptr[0] << 8) | bufptr[1]; |
| 3566 | |
| 3567 | if ((bufptr + 2 + n) >= (buffer + IPP_BUF_SIZE)) |
| 3568 | { |
| 3569 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3570 | _("IPP string length overflows value."), 1); |
| 3571 | DEBUG_printf(("1ippReadIO: bad string value length %d.", n)); |
| 3572 | _cupsBufferRelease((char *)buffer); |
| 3573 | return (IPP_STATE_ERROR); |
| 3574 | } |
| 3575 | |
| 3576 | bufptr[2 + n] = '\0'; |
| 3577 | value->string.text = _cupsStrAlloc((char *)bufptr + 2); |
| 3578 | break; |
| 3579 | |
| 3580 | case IPP_TAG_BEGIN_COLLECTION : |
| 3581 | /* |
| 3582 | * Oh, boy, here comes a collection value, so read it... |
| 3583 | */ |
| 3584 | |
| 3585 | value->collection = ippNew(); |
| 3586 | |
| 3587 | if (n > 0) |
| 3588 | { |
| 3589 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3590 | _("IPP begCollection value not 0 bytes."), 1); |
| 3591 | DEBUG_puts("1ippReadIO: begCollection tag with value length " |
| 3592 | "> 0."); |
| 3593 | _cupsBufferRelease((char *)buffer); |
| 3594 | return (IPP_STATE_ERROR); |
| 3595 | } |
| 3596 | |
| 3597 | if (ippReadIO(src, cb, 1, ipp, value->collection) == IPP_STATE_ERROR) |
| 3598 | { |
| 3599 | DEBUG_puts("1ippReadIO: Unable to read collection value."); |
| 3600 | _cupsBufferRelease((char *)buffer); |
| 3601 | return (IPP_STATE_ERROR); |
| 3602 | } |
| 3603 | break; |
| 3604 | |
| 3605 | case IPP_TAG_END_COLLECTION : |
| 3606 | _cupsBufferRelease((char *)buffer); |
| 3607 | |
| 3608 | if (n > 0) |
| 3609 | { |
| 3610 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3611 | _("IPP endCollection value not 0 bytes."), 1); |
| 3612 | DEBUG_puts("1ippReadIO: endCollection tag with value length " |
| 3613 | "> 0."); |
| 3614 | return (IPP_STATE_ERROR); |
| 3615 | } |
| 3616 | |
| 3617 | DEBUG_puts("1ippReadIO: endCollection tag..."); |
| 3618 | return (ipp->state = IPP_STATE_DATA); |
| 3619 | |
| 3620 | case IPP_TAG_MEMBERNAME : |
| 3621 | /* |
| 3622 | * The value the name of the member in the collection, which |
| 3623 | * we need to carry over... |
| 3624 | */ |
| 3625 | |
| 3626 | if (!attr) |
| 3627 | { |
| 3628 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3629 | _("IPP memberName with no attribute."), 1); |
| 3630 | DEBUG_puts("1ippReadIO: Member name without attribute."); |
| 3631 | _cupsBufferRelease((char *)buffer); |
| 3632 | return (IPP_STATE_ERROR); |
| 3633 | } |
| 3634 | else if (n == 0) |
| 3635 | { |
| 3636 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3637 | _("IPP memberName value is empty."), 1); |
| 3638 | DEBUG_puts("1ippReadIO: Empty member name value."); |
| 3639 | _cupsBufferRelease((char *)buffer); |
| 3640 | return (IPP_STATE_ERROR); |
| 3641 | } |
| 3642 | else if ((*cb)(src, buffer, (size_t)n) < n) |
| 3643 | { |
| 3644 | DEBUG_puts("1ippReadIO: Unable to read member name value."); |
| 3645 | _cupsBufferRelease((char *)buffer); |
| 3646 | return (IPP_STATE_ERROR); |
| 3647 | } |
| 3648 | |
| 3649 | buffer[n] = '\0'; |
| 3650 | attr->name = _cupsStrAlloc((char *)buffer); |
| 3651 | |
| 3652 | /* |
| 3653 | * Since collection members are encoded differently than |
| 3654 | * regular attributes, make sure we don't start with an |
| 3655 | * empty value... |
| 3656 | */ |
| 3657 | |
| 3658 | attr->num_values --; |
| 3659 | |
| 3660 | DEBUG_printf(("2ippReadIO: member name=\"%s\"", attr->name)); |
| 3661 | break; |
| 3662 | |
| 3663 | default : /* Other unsupported values */ |
| 3664 | if (tag == IPP_TAG_STRING && n > IPP_MAX_LENGTH) |
| 3665 | { |
| 3666 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 3667 | _("IPP octetString length too large."), 1); |
| 3668 | DEBUG_printf(("1ippReadIO: bad octetString value length %d.", |
| 3669 | n)); |
| 3670 | _cupsBufferRelease((char *)buffer); |
| 3671 | return (IPP_STATE_ERROR); |
| 3672 | } |
| 3673 | |
| 3674 | value->unknown.length = n; |
| 3675 | |
| 3676 | if (n > 0) |
| 3677 | { |
| 3678 | if ((value->unknown.data = malloc((size_t)n)) == NULL) |
| 3679 | { |
| 3680 | _cupsSetHTTPError(HTTP_STATUS_ERROR); |
| 3681 | DEBUG_puts("1ippReadIO: Unable to allocate value"); |
| 3682 | _cupsBufferRelease((char *)buffer); |
| 3683 | return (IPP_STATE_ERROR); |
| 3684 | } |
| 3685 | |
| 3686 | if ((*cb)(src, value->unknown.data, (size_t)n) < n) |
| 3687 | { |
| 3688 | DEBUG_puts("1ippReadIO: Unable to read unsupported value."); |
| 3689 | _cupsBufferRelease((char *)buffer); |
| 3690 | return (IPP_STATE_ERROR); |
| 3691 | } |
| 3692 | } |
| 3693 | else |
| 3694 | value->unknown.data = NULL; |
| 3695 | break; |
| 3696 | } |
| 3697 | |
| 3698 | /* |
| 3699 | * If blocking is disabled, stop here... |
| 3700 | */ |
| 3701 | |
| 3702 | if (!blocking) |
| 3703 | break; |
| 3704 | } |
| 3705 | break; |
| 3706 | |
| 3707 | case IPP_STATE_DATA : |
| 3708 | break; |
| 3709 | |
| 3710 | default : |
| 3711 | break; /* anti-compiler-warning-code */ |
| 3712 | } |
| 3713 | |
| 3714 | DEBUG_printf(("1ippReadIO: returning ipp->state=%d.", ipp->state)); |
| 3715 | _cupsBufferRelease((char *)buffer); |
| 3716 | |
| 3717 | return (ipp->state); |
| 3718 | } |
| 3719 | |
| 3720 | |
| 3721 | /* |
| 3722 | * 'ippSetBoolean()' - Set a boolean value in an attribute. |
| 3723 | * |
| 3724 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 3725 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 3726 | * |
| 3727 | * The @code attr@ parameter may be modified as a result of setting the value. |
| 3728 | * |
| 3729 | * The @code element@ parameter specifies which value to set from 0 to |
| 3730 | * @code ippGetCount(attr)@. |
| 3731 | * |
| 3732 | * @since CUPS 1.6/macOS 10.8@ |
| 3733 | */ |
| 3734 | |
| 3735 | int /* O - 1 on success, 0 on failure */ |
| 3736 | ippSetBoolean(ipp_t *ipp, /* I - IPP message */ |
| 3737 | ipp_attribute_t **attr, /* IO - IPP attribute */ |
| 3738 | int element, /* I - Value number (0-based) */ |
| 3739 | int boolvalue)/* I - Boolean value */ |
| 3740 | { |
| 3741 | _ipp_value_t *value; /* Current value */ |
| 3742 | |
| 3743 | |
| 3744 | /* |
| 3745 | * Range check input... |
| 3746 | */ |
| 3747 | |
| 3748 | if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_BOOLEAN || |
| 3749 | element < 0 || element > (*attr)->num_values) |
| 3750 | return (0); |
| 3751 | |
| 3752 | /* |
| 3753 | * Set the value and return... |
| 3754 | */ |
| 3755 | |
| 3756 | if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| 3757 | value->boolean = (char)boolvalue; |
| 3758 | |
| 3759 | return (value != NULL); |
| 3760 | } |
| 3761 | |
| 3762 | |
| 3763 | /* |
| 3764 | * 'ippSetCollection()' - Set a collection value in an attribute. |
| 3765 | * |
| 3766 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 3767 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 3768 | * |
| 3769 | * The @code attr@ parameter may be modified as a result of setting the value. |
| 3770 | * |
| 3771 | * The @code element@ parameter specifies which value to set from 0 to |
| 3772 | * @code ippGetCount(attr)@. |
| 3773 | * |
| 3774 | * @since CUPS 1.6/macOS 10.8@ |
| 3775 | */ |
| 3776 | |
| 3777 | int /* O - 1 on success, 0 on failure */ |
| 3778 | ippSetCollection( |
| 3779 | ipp_t *ipp, /* I - IPP message */ |
| 3780 | ipp_attribute_t **attr, /* IO - IPP attribute */ |
| 3781 | int element, /* I - Value number (0-based) */ |
| 3782 | ipp_t *colvalue) /* I - Collection value */ |
| 3783 | { |
| 3784 | _ipp_value_t *value; /* Current value */ |
| 3785 | |
| 3786 | |
| 3787 | /* |
| 3788 | * Range check input... |
| 3789 | */ |
| 3790 | |
| 3791 | if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_BEGIN_COLLECTION || |
| 3792 | element < 0 || element > (*attr)->num_values || !colvalue) |
| 3793 | return (0); |
| 3794 | |
| 3795 | /* |
| 3796 | * Set the value and return... |
| 3797 | */ |
| 3798 | |
| 3799 | if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| 3800 | { |
| 3801 | if (value->collection) |
| 3802 | ippDelete(value->collection); |
| 3803 | |
| 3804 | value->collection = colvalue; |
| 3805 | colvalue->use ++; |
| 3806 | } |
| 3807 | |
| 3808 | return (value != NULL); |
| 3809 | } |
| 3810 | |
| 3811 | |
| 3812 | /* |
| 3813 | * 'ippSetDate()' - Set a dateTime value in an attribute. |
| 3814 | * |
| 3815 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 3816 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 3817 | * |
| 3818 | * The @code attr@ parameter may be modified as a result of setting the value. |
| 3819 | * |
| 3820 | * The @code element@ parameter specifies which value to set from 0 to |
| 3821 | * @code ippGetCount(attr)@. |
| 3822 | * |
| 3823 | * @since CUPS 1.6/macOS 10.8@ |
| 3824 | */ |
| 3825 | |
| 3826 | int /* O - 1 on success, 0 on failure */ |
| 3827 | ippSetDate(ipp_t *ipp, /* I - IPP message */ |
| 3828 | ipp_attribute_t **attr, /* IO - IPP attribute */ |
| 3829 | int element, /* I - Value number (0-based) */ |
| 3830 | const ipp_uchar_t *datevalue)/* I - dateTime value */ |
| 3831 | { |
| 3832 | _ipp_value_t *value; /* Current value */ |
| 3833 | |
| 3834 | |
| 3835 | /* |
| 3836 | * Range check input... |
| 3837 | */ |
| 3838 | |
| 3839 | if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_DATE || |
| 3840 | element < 0 || element > (*attr)->num_values || !datevalue) |
| 3841 | return (0); |
| 3842 | |
| 3843 | /* |
| 3844 | * Set the value and return... |
| 3845 | */ |
| 3846 | |
| 3847 | if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| 3848 | memcpy(value->date, datevalue, sizeof(value->date)); |
| 3849 | |
| 3850 | return (value != NULL); |
| 3851 | } |
| 3852 | |
| 3853 | |
| 3854 | /* |
| 3855 | * 'ippSetGroupTag()' - Set the group tag of an attribute. |
| 3856 | * |
| 3857 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 3858 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 3859 | * |
| 3860 | * The @code attr@ parameter may be modified as a result of setting the value. |
| 3861 | * |
| 3862 | * The @code group@ parameter specifies the IPP attribute group tag: none |
| 3863 | * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| 3864 | * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| 3865 | * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| 3866 | * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| 3867 | * |
| 3868 | * @since CUPS 1.6/macOS 10.8@ |
| 3869 | */ |
| 3870 | |
| 3871 | int /* O - 1 on success, 0 on failure */ |
| 3872 | ippSetGroupTag( |
| 3873 | ipp_t *ipp, /* I - IPP message */ |
| 3874 | ipp_attribute_t **attr, /* IO - Attribute */ |
| 3875 | ipp_tag_t group_tag) /* I - Group tag */ |
| 3876 | { |
| 3877 | /* |
| 3878 | * Range check input - group tag must be 0x01 to 0x0F, per RFC 8011... |
| 3879 | */ |
| 3880 | |
| 3881 | if (!ipp || !attr || !*attr || |
| 3882 | group_tag < IPP_TAG_ZERO || group_tag == IPP_TAG_END || |
| 3883 | group_tag >= IPP_TAG_UNSUPPORTED_VALUE) |
| 3884 | return (0); |
| 3885 | |
| 3886 | /* |
| 3887 | * Set the group tag and return... |
| 3888 | */ |
| 3889 | |
| 3890 | (*attr)->group_tag = group_tag; |
| 3891 | |
| 3892 | return (1); |
| 3893 | } |
| 3894 | |
| 3895 | |
| 3896 | /* |
| 3897 | * 'ippSetInteger()' - Set an integer or enum value in an attribute. |
| 3898 | * |
| 3899 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 3900 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 3901 | * |
| 3902 | * The @code attr@ parameter may be modified as a result of setting the value. |
| 3903 | * |
| 3904 | * The @code element@ parameter specifies which value to set from 0 to |
| 3905 | * @code ippGetCount(attr)@. |
| 3906 | * |
| 3907 | * @since CUPS 1.6/macOS 10.8@ |
| 3908 | */ |
| 3909 | |
| 3910 | int /* O - 1 on success, 0 on failure */ |
| 3911 | ippSetInteger(ipp_t *ipp, /* I - IPP message */ |
| 3912 | ipp_attribute_t **attr, /* IO - IPP attribute */ |
| 3913 | int element, /* I - Value number (0-based) */ |
| 3914 | int intvalue) /* I - Integer/enum value */ |
| 3915 | { |
| 3916 | _ipp_value_t *value; /* Current value */ |
| 3917 | |
| 3918 | |
| 3919 | /* |
| 3920 | * Range check input... |
| 3921 | */ |
| 3922 | |
| 3923 | if (!ipp || !attr || !*attr || |
| 3924 | ((*attr)->value_tag != IPP_TAG_INTEGER && (*attr)->value_tag != IPP_TAG_ENUM) || |
| 3925 | element < 0 || element > (*attr)->num_values) |
| 3926 | return (0); |
| 3927 | |
| 3928 | /* |
| 3929 | * Set the value and return... |
| 3930 | */ |
| 3931 | |
| 3932 | if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| 3933 | value->integer = intvalue; |
| 3934 | |
| 3935 | return (value != NULL); |
| 3936 | } |
| 3937 | |
| 3938 | |
| 3939 | /* |
| 3940 | * 'ippSetName()' - Set the name of an attribute. |
| 3941 | * |
| 3942 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 3943 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 3944 | * |
| 3945 | * The @code attr@ parameter may be modified as a result of setting the value. |
| 3946 | * |
| 3947 | * @since CUPS 1.6/macOS 10.8@ |
| 3948 | */ |
| 3949 | |
| 3950 | int /* O - 1 on success, 0 on failure */ |
| 3951 | ippSetName(ipp_t *ipp, /* I - IPP message */ |
| 3952 | ipp_attribute_t **attr, /* IO - IPP attribute */ |
| 3953 | const char *name) /* I - Attribute name */ |
| 3954 | { |
| 3955 | char *temp; /* Temporary name value */ |
| 3956 | |
| 3957 | |
| 3958 | /* |
| 3959 | * Range check input... |
| 3960 | */ |
| 3961 | |
| 3962 | if (!ipp || !attr || !*attr) |
| 3963 | return (0); |
| 3964 | |
| 3965 | /* |
| 3966 | * Set the value and return... |
| 3967 | */ |
| 3968 | |
| 3969 | if ((temp = _cupsStrAlloc(name)) != NULL) |
| 3970 | { |
| 3971 | if ((*attr)->name) |
| 3972 | _cupsStrFree((*attr)->name); |
| 3973 | |
| 3974 | (*attr)->name = temp; |
| 3975 | } |
| 3976 | |
| 3977 | return (temp != NULL); |
| 3978 | } |
| 3979 | |
| 3980 | |
| 3981 | /* |
| 3982 | * 'ippSetOctetString()' - Set an octetString value in an IPP attribute. |
| 3983 | * |
| 3984 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 3985 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 3986 | * |
| 3987 | * The @code attr@ parameter may be modified as a result of setting the value. |
| 3988 | * |
| 3989 | * The @code element@ parameter specifies which value to set from 0 to |
| 3990 | * @code ippGetCount(attr)@. |
| 3991 | * |
| 3992 | * @since CUPS 1.7/macOS 10.9@ |
| 3993 | */ |
| 3994 | |
| 3995 | int /* O - 1 on success, 0 on failure */ |
| 3996 | ippSetOctetString( |
| 3997 | ipp_t *ipp, /* I - IPP message */ |
| 3998 | ipp_attribute_t **attr, /* IO - IPP attribute */ |
| 3999 | int element, /* I - Value number (0-based) */ |
| 4000 | const void *data, /* I - Pointer to octetString data */ |
| 4001 | int datalen) /* I - Length of octetString data */ |
| 4002 | { |
| 4003 | _ipp_value_t *value; /* Current value */ |
| 4004 | |
| 4005 | |
| 4006 | /* |
| 4007 | * Range check input... |
| 4008 | */ |
| 4009 | |
| 4010 | if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_STRING || |
| 4011 | element < 0 || element > (*attr)->num_values || |
| 4012 | datalen < 0 || datalen > IPP_MAX_LENGTH) |
| 4013 | return (0); |
| 4014 | |
| 4015 | /* |
| 4016 | * Set the value and return... |
| 4017 | */ |
| 4018 | |
| 4019 | if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| 4020 | { |
| 4021 | if ((int)((*attr)->value_tag) & IPP_TAG_CUPS_CONST) |
| 4022 | { |
| 4023 | /* |
| 4024 | * Just copy the pointer... |
| 4025 | */ |
| 4026 | |
| 4027 | value->unknown.data = (void *)data; |
| 4028 | value->unknown.length = datalen; |
| 4029 | } |
| 4030 | else |
| 4031 | { |
| 4032 | /* |
| 4033 | * Copy the data... |
| 4034 | */ |
| 4035 | |
| 4036 | if (value->unknown.data) |
| 4037 | { |
| 4038 | /* |
| 4039 | * Free previous data... |
| 4040 | */ |
| 4041 | |
| 4042 | free(value->unknown.data); |
| 4043 | |
| 4044 | value->unknown.data = NULL; |
| 4045 | value->unknown.length = 0; |
| 4046 | } |
| 4047 | |
| 4048 | if (datalen > 0) |
| 4049 | { |
| 4050 | void *temp; /* Temporary data pointer */ |
| 4051 | |
| 4052 | if ((temp = malloc((size_t)datalen)) != NULL) |
| 4053 | { |
| 4054 | memcpy(temp, data, (size_t)datalen); |
| 4055 | |
| 4056 | value->unknown.data = temp; |
| 4057 | value->unknown.length = datalen; |
| 4058 | } |
| 4059 | else |
| 4060 | return (0); |
| 4061 | } |
| 4062 | } |
| 4063 | } |
| 4064 | |
| 4065 | return (value != NULL); |
| 4066 | } |
| 4067 | |
| 4068 | |
| 4069 | /* |
| 4070 | * 'ippSetOperation()' - Set the operation ID in an IPP request message. |
| 4071 | * |
| 4072 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 4073 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 4074 | * |
| 4075 | * @since CUPS 1.6/macOS 10.8@ |
| 4076 | */ |
| 4077 | |
| 4078 | int /* O - 1 on success, 0 on failure */ |
| 4079 | ippSetOperation(ipp_t *ipp, /* I - IPP request message */ |
| 4080 | ipp_op_t op) /* I - Operation ID */ |
| 4081 | { |
| 4082 | /* |
| 4083 | * Range check input... |
| 4084 | */ |
| 4085 | |
| 4086 | if (!ipp) |
| 4087 | return (0); |
| 4088 | |
| 4089 | /* |
| 4090 | * Set the operation and return... |
| 4091 | */ |
| 4092 | |
| 4093 | ipp->request.op.operation_id = op; |
| 4094 | |
| 4095 | return (1); |
| 4096 | } |
| 4097 | |
| 4098 | |
| 4099 | /* |
| 4100 | * 'ippSetRange()' - Set a rangeOfInteger value in an attribute. |
| 4101 | * |
| 4102 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 4103 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 4104 | * |
| 4105 | * The @code attr@ parameter may be modified as a result of setting the value. |
| 4106 | * |
| 4107 | * The @code element@ parameter specifies which value to set from 0 to |
| 4108 | * @code ippGetCount(attr)@. |
| 4109 | * |
| 4110 | * @since CUPS 1.6/macOS 10.8@ |
| 4111 | */ |
| 4112 | |
| 4113 | int /* O - 1 on success, 0 on failure */ |
| 4114 | ippSetRange(ipp_t *ipp, /* I - IPP message */ |
| 4115 | ipp_attribute_t **attr, /* IO - IPP attribute */ |
| 4116 | int element, /* I - Value number (0-based) */ |
| 4117 | int lowervalue, /* I - Lower bound for range */ |
| 4118 | int uppervalue) /* I - Upper bound for range */ |
| 4119 | { |
| 4120 | _ipp_value_t *value; /* Current value */ |
| 4121 | |
| 4122 | |
| 4123 | /* |
| 4124 | * Range check input... |
| 4125 | */ |
| 4126 | |
| 4127 | if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_RANGE || |
| 4128 | element < 0 || element > (*attr)->num_values || lowervalue > uppervalue) |
| 4129 | return (0); |
| 4130 | |
| 4131 | /* |
| 4132 | * Set the value and return... |
| 4133 | */ |
| 4134 | |
| 4135 | if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| 4136 | { |
| 4137 | value->range.lower = lowervalue; |
| 4138 | value->range.upper = uppervalue; |
| 4139 | } |
| 4140 | |
| 4141 | return (value != NULL); |
| 4142 | } |
| 4143 | |
| 4144 | |
| 4145 | /* |
| 4146 | * 'ippSetRequestId()' - Set the request ID in an IPP message. |
| 4147 | * |
| 4148 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 4149 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 4150 | * |
| 4151 | * The @code request_id@ parameter must be greater than 0. |
| 4152 | * |
| 4153 | * @since CUPS 1.6/macOS 10.8@ |
| 4154 | */ |
| 4155 | |
| 4156 | int /* O - 1 on success, 0 on failure */ |
| 4157 | ippSetRequestId(ipp_t *ipp, /* I - IPP message */ |
| 4158 | int request_id) /* I - Request ID */ |
| 4159 | { |
| 4160 | /* |
| 4161 | * Range check input; not checking request_id values since ipptool wants to send |
| 4162 | * invalid values for conformance testing and a bad request_id does not affect the |
| 4163 | * encoding of a message... |
| 4164 | */ |
| 4165 | |
| 4166 | if (!ipp) |
| 4167 | return (0); |
| 4168 | |
| 4169 | /* |
| 4170 | * Set the request ID and return... |
| 4171 | */ |
| 4172 | |
| 4173 | ipp->request.any.request_id = request_id; |
| 4174 | |
| 4175 | return (1); |
| 4176 | } |
| 4177 | |
| 4178 | |
| 4179 | /* |
| 4180 | * 'ippSetResolution()' - Set a resolution value in an attribute. |
| 4181 | * |
| 4182 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 4183 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 4184 | * |
| 4185 | * The @code attr@ parameter may be modified as a result of setting the value. |
| 4186 | * |
| 4187 | * The @code element@ parameter specifies which value to set from 0 to |
| 4188 | * @code ippGetCount(attr)@. |
| 4189 | * |
| 4190 | * @since CUPS 1.6/macOS 10.8@ |
| 4191 | */ |
| 4192 | |
| 4193 | int /* O - 1 on success, 0 on failure */ |
| 4194 | ippSetResolution( |
| 4195 | ipp_t *ipp, /* I - IPP message */ |
| 4196 | ipp_attribute_t **attr, /* IO - IPP attribute */ |
| 4197 | int element, /* I - Value number (0-based) */ |
| 4198 | ipp_res_t unitsvalue, /* I - Resolution units */ |
| 4199 | int xresvalue, /* I - Horizontal/cross feed resolution */ |
| 4200 | int yresvalue) /* I - Vertical/feed resolution */ |
| 4201 | { |
| 4202 | _ipp_value_t *value; /* Current value */ |
| 4203 | |
| 4204 | |
| 4205 | /* |
| 4206 | * Range check input... |
| 4207 | */ |
| 4208 | |
| 4209 | if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_RESOLUTION || |
| 4210 | element < 0 || element > (*attr)->num_values || xresvalue <= 0 || yresvalue <= 0 || |
| 4211 | unitsvalue < IPP_RES_PER_INCH || unitsvalue > IPP_RES_PER_CM) |
| 4212 | return (0); |
| 4213 | |
| 4214 | /* |
| 4215 | * Set the value and return... |
| 4216 | */ |
| 4217 | |
| 4218 | if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| 4219 | { |
| 4220 | value->resolution.units = unitsvalue; |
| 4221 | value->resolution.xres = xresvalue; |
| 4222 | value->resolution.yres = yresvalue; |
| 4223 | } |
| 4224 | |
| 4225 | return (value != NULL); |
| 4226 | } |
| 4227 | |
| 4228 | |
| 4229 | /* |
| 4230 | * 'ippSetState()' - Set the current state of the IPP message. |
| 4231 | * |
| 4232 | * @since CUPS 1.6/macOS 10.8@ |
| 4233 | */ |
| 4234 | |
| 4235 | int /* O - 1 on success, 0 on failure */ |
| 4236 | ippSetState(ipp_t *ipp, /* I - IPP message */ |
| 4237 | ipp_state_t state) /* I - IPP state value */ |
| 4238 | { |
| 4239 | /* |
| 4240 | * Range check input... |
| 4241 | */ |
| 4242 | |
| 4243 | if (!ipp) |
| 4244 | return (0); |
| 4245 | |
| 4246 | /* |
| 4247 | * Set the state and return... |
| 4248 | */ |
| 4249 | |
| 4250 | ipp->state = state; |
| 4251 | ipp->current = NULL; |
| 4252 | |
| 4253 | return (1); |
| 4254 | } |
| 4255 | |
| 4256 | |
| 4257 | /* |
| 4258 | * 'ippSetStatusCode()' - Set the status code in an IPP response or event message. |
| 4259 | * |
| 4260 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 4261 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 4262 | * |
| 4263 | * @since CUPS 1.6/macOS 10.8@ |
| 4264 | */ |
| 4265 | |
| 4266 | int /* O - 1 on success, 0 on failure */ |
| 4267 | ippSetStatusCode(ipp_t *ipp, /* I - IPP response or event message */ |
| 4268 | ipp_status_t status) /* I - Status code */ |
| 4269 | { |
| 4270 | /* |
| 4271 | * Range check input... |
| 4272 | */ |
| 4273 | |
| 4274 | if (!ipp) |
| 4275 | return (0); |
| 4276 | |
| 4277 | /* |
| 4278 | * Set the status code and return... |
| 4279 | */ |
| 4280 | |
| 4281 | ipp->request.status.status_code = status; |
| 4282 | |
| 4283 | return (1); |
| 4284 | } |
| 4285 | |
| 4286 | |
| 4287 | /* |
| 4288 | * 'ippSetString()' - Set a string value in an attribute. |
| 4289 | * |
| 4290 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 4291 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 4292 | * |
| 4293 | * The @code attr@ parameter may be modified as a result of setting the value. |
| 4294 | * |
| 4295 | * The @code element@ parameter specifies which value to set from 0 to |
| 4296 | * @code ippGetCount(attr)@. |
| 4297 | * |
| 4298 | * @since CUPS 1.6/macOS 10.8@ |
| 4299 | */ |
| 4300 | |
| 4301 | int /* O - 1 on success, 0 on failure */ |
| 4302 | ippSetString(ipp_t *ipp, /* I - IPP message */ |
| 4303 | ipp_attribute_t **attr, /* IO - IPP attribute */ |
| 4304 | int element, /* I - Value number (0-based) */ |
| 4305 | const char *strvalue) /* I - String value */ |
| 4306 | { |
| 4307 | char *temp; /* Temporary string */ |
| 4308 | _ipp_value_t *value; /* Current value */ |
| 4309 | |
| 4310 | |
| 4311 | /* |
| 4312 | * Range check input... |
| 4313 | */ |
| 4314 | |
| 4315 | if (!ipp || !attr || !*attr || |
| 4316 | ((*attr)->value_tag != IPP_TAG_TEXTLANG && |
| 4317 | (*attr)->value_tag != IPP_TAG_NAMELANG && |
| 4318 | ((*attr)->value_tag < IPP_TAG_TEXT || |
| 4319 | (*attr)->value_tag > IPP_TAG_MIMETYPE)) || |
| 4320 | element < 0 || element > (*attr)->num_values || !strvalue) |
| 4321 | return (0); |
| 4322 | |
| 4323 | /* |
| 4324 | * Set the value and return... |
| 4325 | */ |
| 4326 | |
| 4327 | if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| 4328 | { |
| 4329 | if (element > 0) |
| 4330 | value->string.language = (*attr)->values[0].string.language; |
| 4331 | |
| 4332 | if ((int)((*attr)->value_tag) & IPP_TAG_CUPS_CONST) |
| 4333 | value->string.text = (char *)strvalue; |
| 4334 | else if ((temp = _cupsStrAlloc(strvalue)) != NULL) |
| 4335 | { |
| 4336 | if (value->string.text) |
| 4337 | _cupsStrFree(value->string.text); |
| 4338 | |
| 4339 | value->string.text = temp; |
| 4340 | } |
| 4341 | else |
| 4342 | return (0); |
| 4343 | } |
| 4344 | |
| 4345 | return (value != NULL); |
| 4346 | } |
| 4347 | |
| 4348 | |
| 4349 | /* |
| 4350 | * 'ippSetStringf()' - Set a formatted string value of an attribute. |
| 4351 | * |
| 4352 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 4353 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 4354 | * |
| 4355 | * The @code attr@ parameter may be modified as a result of setting the value. |
| 4356 | * |
| 4357 | * The @code element@ parameter specifies which value to set from 0 to |
| 4358 | * @code ippGetCount(attr)@. |
| 4359 | * |
| 4360 | * The @code format@ parameter uses formatting characters compatible with the |
| 4361 | * printf family of standard functions. Additional arguments follow it as |
| 4362 | * needed. The formatted string is truncated as needed to the maximum length of |
| 4363 | * the corresponding value type. |
| 4364 | * |
| 4365 | * @since CUPS 1.7/macOS 10.9@ |
| 4366 | */ |
| 4367 | |
| 4368 | int /* O - 1 on success, 0 on failure */ |
| 4369 | ippSetStringf(ipp_t *ipp, /* I - IPP message */ |
| 4370 | ipp_attribute_t **attr, /* IO - IPP attribute */ |
| 4371 | int element, /* I - Value number (0-based) */ |
| 4372 | const char *format, /* I - Printf-style format string */ |
| 4373 | ...) /* I - Additional arguments as needed */ |
| 4374 | { |
| 4375 | int ret; /* Return value */ |
| 4376 | va_list ap; /* Pointer to additional arguments */ |
| 4377 | |
| 4378 | |
| 4379 | va_start(ap, format); |
| 4380 | ret = ippSetStringfv(ipp, attr, element, format, ap); |
| 4381 | va_end(ap); |
| 4382 | |
| 4383 | return (ret); |
| 4384 | } |
| 4385 | |
| 4386 | |
| 4387 | /* |
| 4388 | * 'ippSetStringf()' - Set a formatted string value of an attribute. |
| 4389 | * |
| 4390 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 4391 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 4392 | * |
| 4393 | * The @code attr@ parameter may be modified as a result of setting the value. |
| 4394 | * |
| 4395 | * The @code element@ parameter specifies which value to set from 0 to |
| 4396 | * @code ippGetCount(attr)@. |
| 4397 | * |
| 4398 | * The @code format@ parameter uses formatting characters compatible with the |
| 4399 | * printf family of standard functions. Additional arguments follow it as |
| 4400 | * needed. The formatted string is truncated as needed to the maximum length of |
| 4401 | * the corresponding value type. |
| 4402 | * |
| 4403 | * @since CUPS 1.7/macOS 10.9@ |
| 4404 | */ |
| 4405 | |
| 4406 | int /* O - 1 on success, 0 on failure */ |
| 4407 | ippSetStringfv(ipp_t *ipp, /* I - IPP message */ |
| 4408 | ipp_attribute_t **attr, /* IO - IPP attribute */ |
| 4409 | int element, /* I - Value number (0-based) */ |
| 4410 | const char *format, /* I - Printf-style format string */ |
| 4411 | va_list ap) /* I - Pointer to additional arguments */ |
| 4412 | { |
| 4413 | ipp_tag_t value_tag; /* Value tag */ |
| 4414 | char buffer[IPP_MAX_TEXT + 4]; |
| 4415 | /* Formatted text string */ |
| 4416 | ssize_t bytes, /* Length of formatted value */ |
| 4417 | max_bytes; /* Maximum number of bytes for value */ |
| 4418 | |
| 4419 | |
| 4420 | /* |
| 4421 | * Range check input... |
| 4422 | */ |
| 4423 | |
| 4424 | if (attr && *attr) |
| 4425 | value_tag = (*attr)->value_tag & IPP_TAG_CUPS_MASK; |
| 4426 | else |
| 4427 | value_tag = IPP_TAG_ZERO; |
| 4428 | |
| 4429 | if (!ipp || !attr || !*attr || |
| 4430 | (value_tag < IPP_TAG_TEXT && value_tag != IPP_TAG_TEXTLANG && |
| 4431 | value_tag != IPP_TAG_NAMELANG) || value_tag > IPP_TAG_MIMETYPE || |
| 4432 | !format) |
| 4433 | return (0); |
| 4434 | |
| 4435 | /* |
| 4436 | * Format the string... |
| 4437 | */ |
| 4438 | |
| 4439 | if (!strcmp(format, "%s")) |
| 4440 | { |
| 4441 | /* |
| 4442 | * Optimize the simple case... |
| 4443 | */ |
| 4444 | |
| 4445 | const char *s = va_arg(ap, char *); |
| 4446 | |
| 4447 | if (!s) |
| 4448 | s = "(null)"; |
| 4449 | |
| 4450 | bytes = (ssize_t)strlen(s); |
| 4451 | strlcpy(buffer, s, sizeof(buffer)); |
| 4452 | } |
| 4453 | else |
| 4454 | { |
| 4455 | /* |
| 4456 | * Do a full formatting of the message... |
| 4457 | */ |
| 4458 | |
| 4459 | if ((bytes = vsnprintf(buffer, sizeof(buffer), format, ap)) < 0) |
| 4460 | return (0); |
| 4461 | } |
| 4462 | |
| 4463 | /* |
| 4464 | * Limit the length of the string... |
| 4465 | */ |
| 4466 | |
| 4467 | switch (value_tag) |
| 4468 | { |
| 4469 | default : |
| 4470 | case IPP_TAG_TEXT : |
| 4471 | case IPP_TAG_TEXTLANG : |
| 4472 | max_bytes = IPP_MAX_TEXT; |
| 4473 | break; |
| 4474 | |
| 4475 | case IPP_TAG_NAME : |
| 4476 | case IPP_TAG_NAMELANG : |
| 4477 | max_bytes = IPP_MAX_NAME; |
| 4478 | break; |
| 4479 | |
| 4480 | case IPP_TAG_CHARSET : |
| 4481 | max_bytes = IPP_MAX_CHARSET; |
| 4482 | break; |
| 4483 | |
| 4484 | case IPP_TAG_KEYWORD : |
| 4485 | max_bytes = IPP_MAX_KEYWORD; |
| 4486 | break; |
| 4487 | |
| 4488 | case IPP_TAG_LANGUAGE : |
| 4489 | max_bytes = IPP_MAX_LANGUAGE; |
| 4490 | break; |
| 4491 | |
| 4492 | case IPP_TAG_MIMETYPE : |
| 4493 | max_bytes = IPP_MAX_MIMETYPE; |
| 4494 | break; |
| 4495 | |
| 4496 | case IPP_TAG_URI : |
| 4497 | max_bytes = IPP_MAX_URI; |
| 4498 | break; |
| 4499 | |
| 4500 | case IPP_TAG_URISCHEME : |
| 4501 | max_bytes = IPP_MAX_URISCHEME; |
| 4502 | break; |
| 4503 | } |
| 4504 | |
| 4505 | if (bytes >= max_bytes) |
| 4506 | { |
| 4507 | char *bufmax, /* Buffer at max_bytes */ |
| 4508 | *bufptr; /* Pointer into buffer */ |
| 4509 | |
| 4510 | bufptr = buffer + strlen(buffer) - 1; |
| 4511 | bufmax = buffer + max_bytes - 1; |
| 4512 | |
| 4513 | while (bufptr > bufmax) |
| 4514 | { |
| 4515 | if (*bufptr & 0x80) |
| 4516 | { |
| 4517 | while ((*bufptr & 0xc0) == 0x80 && bufptr > buffer) |
| 4518 | bufptr --; |
| 4519 | } |
| 4520 | |
| 4521 | bufptr --; |
| 4522 | } |
| 4523 | |
| 4524 | *bufptr = '\0'; |
| 4525 | } |
| 4526 | |
| 4527 | /* |
| 4528 | * Set the formatted string and return... |
| 4529 | */ |
| 4530 | |
| 4531 | return (ippSetString(ipp, attr, element, buffer)); |
| 4532 | } |
| 4533 | |
| 4534 | |
| 4535 | /* |
| 4536 | * 'ippSetValueTag()' - Set the value tag of an attribute. |
| 4537 | * |
| 4538 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 4539 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 4540 | * |
| 4541 | * The @code attr@ parameter may be modified as a result of setting the value. |
| 4542 | * |
| 4543 | * Integer (@code IPP_TAG_INTEGER@) values can be promoted to rangeOfInteger |
| 4544 | * (@code IPP_TAG_RANGE@) values, the various string tags can be promoted to name |
| 4545 | * (@code IPP_TAG_NAME@) or nameWithLanguage (@code IPP_TAG_NAMELANG@) values, text |
| 4546 | * (@code IPP_TAG_TEXT@) values can be promoted to textWithLanguage |
| 4547 | * (@code IPP_TAG_TEXTLANG@) values, and all values can be demoted to the various |
| 4548 | * out-of-band value tags such as no-value (@code IPP_TAG_NOVALUE@). All other changes |
| 4549 | * will be rejected. |
| 4550 | * |
| 4551 | * Promoting a string attribute to nameWithLanguage or textWithLanguage adds the language |
| 4552 | * code in the "attributes-natural-language" attribute or, if not present, the language |
| 4553 | * code for the current locale. |
| 4554 | * |
| 4555 | * @since CUPS 1.6/macOS 10.8@ |
| 4556 | */ |
| 4557 | |
| 4558 | int /* O - 1 on success, 0 on failure */ |
| 4559 | ippSetValueTag( |
| 4560 | ipp_t *ipp, /* I - IPP message */ |
| 4561 | ipp_attribute_t **attr, /* IO - IPP attribute */ |
| 4562 | ipp_tag_t value_tag) /* I - Value tag */ |
| 4563 | { |
| 4564 | int i; /* Looping var */ |
| 4565 | _ipp_value_t *value; /* Current value */ |
| 4566 | int integer; /* Current integer value */ |
| 4567 | cups_lang_t *language; /* Current language */ |
| 4568 | char code[32]; /* Language code */ |
| 4569 | ipp_tag_t temp_tag; /* Temporary value tag */ |
| 4570 | |
| 4571 | |
| 4572 | /* |
| 4573 | * Range check input... |
| 4574 | */ |
| 4575 | |
| 4576 | if (!ipp || !attr || !*attr) |
| 4577 | return (0); |
| 4578 | |
| 4579 | /* |
| 4580 | * If there is no change, return immediately... |
| 4581 | */ |
| 4582 | |
| 4583 | if (value_tag == (*attr)->value_tag) |
| 4584 | return (1); |
| 4585 | |
| 4586 | /* |
| 4587 | * Otherwise implement changes as needed... |
| 4588 | */ |
| 4589 | |
| 4590 | temp_tag = (ipp_tag_t)((int)((*attr)->value_tag) & IPP_TAG_CUPS_MASK); |
| 4591 | |
| 4592 | switch (value_tag) |
| 4593 | { |
| 4594 | case IPP_TAG_UNSUPPORTED_VALUE : |
| 4595 | case IPP_TAG_DEFAULT : |
| 4596 | case IPP_TAG_UNKNOWN : |
| 4597 | case IPP_TAG_NOVALUE : |
| 4598 | case IPP_TAG_NOTSETTABLE : |
| 4599 | case IPP_TAG_DELETEATTR : |
| 4600 | case IPP_TAG_ADMINDEFINE : |
| 4601 | /* |
| 4602 | * Free any existing values... |
| 4603 | */ |
| 4604 | |
| 4605 | if ((*attr)->num_values > 0) |
| 4606 | ipp_free_values(*attr, 0, (*attr)->num_values); |
| 4607 | |
| 4608 | /* |
| 4609 | * Set out-of-band value... |
| 4610 | */ |
| 4611 | |
| 4612 | (*attr)->value_tag = value_tag; |
| 4613 | break; |
| 4614 | |
| 4615 | case IPP_TAG_RANGE : |
| 4616 | if (temp_tag != IPP_TAG_INTEGER) |
| 4617 | return (0); |
| 4618 | |
| 4619 | for (i = (*attr)->num_values, value = (*attr)->values; |
| 4620 | i > 0; |
| 4621 | i --, value ++) |
| 4622 | { |
| 4623 | integer = value->integer; |
| 4624 | value->range.lower = value->range.upper = integer; |
| 4625 | } |
| 4626 | |
| 4627 | (*attr)->value_tag = IPP_TAG_RANGE; |
| 4628 | break; |
| 4629 | |
| 4630 | case IPP_TAG_NAME : |
| 4631 | if (temp_tag != IPP_TAG_KEYWORD) |
| 4632 | return (0); |
| 4633 | |
| 4634 | (*attr)->value_tag = (ipp_tag_t)(IPP_TAG_NAME | ((*attr)->value_tag & IPP_TAG_CUPS_CONST)); |
| 4635 | break; |
| 4636 | |
| 4637 | case IPP_TAG_NAMELANG : |
| 4638 | case IPP_TAG_TEXTLANG : |
| 4639 | if (value_tag == IPP_TAG_NAMELANG && (temp_tag != IPP_TAG_NAME && temp_tag != IPP_TAG_KEYWORD)) |
| 4640 | return (0); |
| 4641 | |
| 4642 | if (value_tag == IPP_TAG_TEXTLANG && temp_tag != IPP_TAG_TEXT) |
| 4643 | return (0); |
| 4644 | |
| 4645 | if (ipp->attrs && ipp->attrs->next && ipp->attrs->next->name && |
| 4646 | !strcmp(ipp->attrs->next->name, "attributes-natural-language")) |
| 4647 | { |
| 4648 | /* |
| 4649 | * Use the language code from the IPP message... |
| 4650 | */ |
| 4651 | |
| 4652 | (*attr)->values[0].string.language = |
| 4653 | _cupsStrAlloc(ipp->attrs->next->values[0].string.text); |
| 4654 | } |
| 4655 | else |
| 4656 | { |
| 4657 | /* |
| 4658 | * Otherwise, use the language code corresponding to the locale... |
| 4659 | */ |
| 4660 | |
| 4661 | language = cupsLangDefault(); |
| 4662 | (*attr)->values[0].string.language = _cupsStrAlloc(ipp_lang_code(language->language, |
| 4663 | code, |
| 4664 | sizeof(code))); |
| 4665 | } |
| 4666 | |
| 4667 | for (i = (*attr)->num_values - 1, value = (*attr)->values + 1; |
| 4668 | i > 0; |
| 4669 | i --, value ++) |
| 4670 | value->string.language = (*attr)->values[0].string.language; |
| 4671 | |
| 4672 | if ((int)(*attr)->value_tag & IPP_TAG_CUPS_CONST) |
| 4673 | { |
| 4674 | /* |
| 4675 | * Make copies of all values... |
| 4676 | */ |
| 4677 | |
| 4678 | for (i = (*attr)->num_values, value = (*attr)->values; |
| 4679 | i > 0; |
| 4680 | i --, value ++) |
| 4681 | value->string.text = _cupsStrAlloc(value->string.text); |
| 4682 | } |
| 4683 | |
| 4684 | (*attr)->value_tag = IPP_TAG_NAMELANG; |
| 4685 | break; |
| 4686 | |
| 4687 | case IPP_TAG_KEYWORD : |
| 4688 | if (temp_tag == IPP_TAG_NAME || temp_tag == IPP_TAG_NAMELANG) |
| 4689 | break; /* Silently "allow" name -> keyword */ |
| 4690 | |
| 4691 | default : |
| 4692 | return (0); |
| 4693 | } |
| 4694 | |
| 4695 | return (1); |
| 4696 | } |
| 4697 | |
| 4698 | |
| 4699 | /* |
| 4700 | * 'ippSetVersion()' - Set the version number in an IPP message. |
| 4701 | * |
| 4702 | * The @code ipp@ parameter refers to an IPP message previously created using |
| 4703 | * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| 4704 | * |
| 4705 | * The valid version numbers are currently 1.0, 1.1, 2.0, 2.1, and 2.2. |
| 4706 | * |
| 4707 | * @since CUPS 1.6/macOS 10.8@ |
| 4708 | */ |
| 4709 | |
| 4710 | int /* O - 1 on success, 0 on failure */ |
| 4711 | ippSetVersion(ipp_t *ipp, /* I - IPP message */ |
| 4712 | int major, /* I - Major version number (major.minor) */ |
| 4713 | int minor) /* I - Minor version number (major.minor) */ |
| 4714 | { |
| 4715 | /* |
| 4716 | * Range check input... |
| 4717 | */ |
| 4718 | |
| 4719 | if (!ipp || major < 0 || minor < 0) |
| 4720 | return (0); |
| 4721 | |
| 4722 | /* |
| 4723 | * Set the version number... |
| 4724 | */ |
| 4725 | |
| 4726 | ipp->request.any.version[0] = (ipp_uchar_t)major; |
| 4727 | ipp->request.any.version[1] = (ipp_uchar_t)minor; |
| 4728 | |
| 4729 | return (1); |
| 4730 | } |
| 4731 | |
| 4732 | |
| 4733 | /* |
| 4734 | * 'ippTimeToDate()' - Convert from time in seconds to RFC 2579 format. |
| 4735 | */ |
| 4736 | |
| 4737 | const ipp_uchar_t * /* O - RFC-2579 date/time data */ |
| 4738 | ippTimeToDate(time_t t) /* I - Time in seconds */ |
| 4739 | { |
| 4740 | struct tm *unixdate; /* UNIX unixdate/time info */ |
| 4741 | ipp_uchar_t *date = _cupsGlobals()->ipp_date; |
| 4742 | /* RFC-2579 date/time data */ |
| 4743 | |
| 4744 | |
| 4745 | /* |
| 4746 | * RFC-2579 date/time format is: |
| 4747 | * |
| 4748 | * Byte(s) Description |
| 4749 | * ------- ----------- |
| 4750 | * 0-1 Year (0 to 65535) |
| 4751 | * 2 Month (1 to 12) |
| 4752 | * 3 Day (1 to 31) |
| 4753 | * 4 Hours (0 to 23) |
| 4754 | * 5 Minutes (0 to 59) |
| 4755 | * 6 Seconds (0 to 60, 60 = "leap second") |
| 4756 | * 7 Deciseconds (0 to 9) |
| 4757 | * 8 +/- UTC |
| 4758 | * 9 UTC hours (0 to 11) |
| 4759 | * 10 UTC minutes (0 to 59) |
| 4760 | */ |
| 4761 | |
| 4762 | unixdate = gmtime(&t); |
| 4763 | unixdate->tm_year += 1900; |
| 4764 | |
| 4765 | date[0] = (ipp_uchar_t)(unixdate->tm_year >> 8); |
| 4766 | date[1] = (ipp_uchar_t)(unixdate->tm_year); |
| 4767 | date[2] = (ipp_uchar_t)(unixdate->tm_mon + 1); |
| 4768 | date[3] = (ipp_uchar_t)unixdate->tm_mday; |
| 4769 | date[4] = (ipp_uchar_t)unixdate->tm_hour; |
| 4770 | date[5] = (ipp_uchar_t)unixdate->tm_min; |
| 4771 | date[6] = (ipp_uchar_t)unixdate->tm_sec; |
| 4772 | date[7] = 0; |
| 4773 | date[8] = '+'; |
| 4774 | date[9] = 0; |
| 4775 | date[10] = 0; |
| 4776 | |
| 4777 | return (date); |
| 4778 | } |
| 4779 | |
| 4780 | |
| 4781 | /* |
| 4782 | * 'ippValidateAttribute()' - Validate the contents of an attribute. |
| 4783 | * |
| 4784 | * This function validates the contents of an attribute based on the name and |
| 4785 | * value tag. 1 is returned if the attribute is valid, 0 otherwise. On |
| 4786 | * failure, @link cupsLastErrorString@ is set to a human-readable message. |
| 4787 | * |
| 4788 | * @since CUPS 1.7/macOS 10.9@ |
| 4789 | */ |
| 4790 | |
| 4791 | int /* O - 1 if valid, 0 otherwise */ |
| 4792 | ippValidateAttribute( |
| 4793 | ipp_attribute_t *attr) /* I - Attribute */ |
| 4794 | { |
| 4795 | int i; /* Looping var */ |
| 4796 | char scheme[64], /* Scheme from URI */ |
| 4797 | userpass[256], /* Username/password from URI */ |
| 4798 | hostname[256], /* Hostname from URI */ |
| 4799 | resource[1024]; /* Resource from URI */ |
| 4800 | int port, /* Port number from URI */ |
| 4801 | uri_status; /* URI separation status */ |
| 4802 | const char *ptr; /* Pointer into string */ |
| 4803 | ipp_attribute_t *colattr; /* Collection attribute */ |
| 4804 | regex_t re; /* Regular expression */ |
| 4805 | ipp_uchar_t *date; /* Current date value */ |
| 4806 | static const char * const uri_status_strings[] = |
| 4807 | { /* URI status strings */ |
| 4808 | "URI too large", |
| 4809 | "Bad arguments to function", |
| 4810 | "Bad resource in URI", |
| 4811 | "Bad port number in URI", |
| 4812 | "Bad hostname/address in URI", |
| 4813 | "Bad username in URI", |
| 4814 | "Bad scheme in URI", |
| 4815 | "Bad/empty URI", |
| 4816 | "OK", |
| 4817 | "Missing scheme in URI", |
| 4818 | "Unknown scheme in URI", |
| 4819 | "Missing resource in URI" |
| 4820 | }; |
| 4821 | |
| 4822 | |
| 4823 | /* |
| 4824 | * Skip separators. |
| 4825 | */ |
| 4826 | |
| 4827 | if (!attr->name) |
| 4828 | return (1); |
| 4829 | |
| 4830 | /* |
| 4831 | * Validate the attribute name. |
| 4832 | */ |
| 4833 | |
| 4834 | for (ptr = attr->name; *ptr; ptr ++) |
| 4835 | if (!isalnum(*ptr & 255) && *ptr != '-' && *ptr != '.' && *ptr != '_') |
| 4836 | break; |
| 4837 | |
| 4838 | if (*ptr || ptr == attr->name) |
| 4839 | { |
| 4840 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 4841 | _("\"%s\": Bad attribute name - invalid character " |
| 4842 | "(RFC 8011 section 5.1.4)."), attr->name); |
| 4843 | return (0); |
| 4844 | } |
| 4845 | |
| 4846 | if ((ptr - attr->name) > 255) |
| 4847 | { |
| 4848 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 4849 | _("\"%s\": Bad attribute name - bad length %d " |
| 4850 | "(RFC 8011 section 5.1.4)."), attr->name, |
| 4851 | (int)(ptr - attr->name)); |
| 4852 | return (0); |
| 4853 | } |
| 4854 | |
| 4855 | switch (attr->value_tag) |
| 4856 | { |
| 4857 | case IPP_TAG_INTEGER : |
| 4858 | break; |
| 4859 | |
| 4860 | case IPP_TAG_BOOLEAN : |
| 4861 | for (i = 0; i < attr->num_values; i ++) |
| 4862 | { |
| 4863 | if (attr->values[i].boolean != 0 && |
| 4864 | attr->values[i].boolean != 1) |
| 4865 | { |
| 4866 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 4867 | _("\"%s\": Bad boolen value %d " |
| 4868 | "(RFC 8011 section 5.1.21)."), attr->name, |
| 4869 | attr->values[i].boolean); |
| 4870 | return (0); |
| 4871 | } |
| 4872 | } |
| 4873 | break; |
| 4874 | |
| 4875 | case IPP_TAG_ENUM : |
| 4876 | for (i = 0; i < attr->num_values; i ++) |
| 4877 | { |
| 4878 | if (attr->values[i].integer < 1) |
| 4879 | { |
| 4880 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 4881 | _("\"%s\": Bad enum value %d - out of range " |
| 4882 | "(RFC 8011 section 5.1.5)."), attr->name, |
| 4883 | attr->values[i].integer); |
| 4884 | return (0); |
| 4885 | } |
| 4886 | } |
| 4887 | break; |
| 4888 | |
| 4889 | case IPP_TAG_STRING : |
| 4890 | for (i = 0; i < attr->num_values; i ++) |
| 4891 | { |
| 4892 | if (attr->values[i].unknown.length > IPP_MAX_OCTETSTRING) |
| 4893 | { |
| 4894 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 4895 | _("\"%s\": Bad octetString value - bad length %d " |
| 4896 | "(RFC 8011 section 5.1.20)."), attr->name, |
| 4897 | attr->values[i].unknown.length); |
| 4898 | return (0); |
| 4899 | } |
| 4900 | } |
| 4901 | break; |
| 4902 | |
| 4903 | case IPP_TAG_DATE : |
| 4904 | for (i = 0; i < attr->num_values; i ++) |
| 4905 | { |
| 4906 | date = attr->values[i].date; |
| 4907 | |
| 4908 | if (date[2] < 1 || date[2] > 12) |
| 4909 | { |
| 4910 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 4911 | _("\"%s\": Bad dateTime month %u " |
| 4912 | "(RFC 8011 section 5.1.15)."), attr->name, date[2]); |
| 4913 | return (0); |
| 4914 | } |
| 4915 | |
| 4916 | if (date[3] < 1 || date[3] > 31) |
| 4917 | { |
| 4918 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 4919 | _("\"%s\": Bad dateTime day %u " |
| 4920 | "(RFC 8011 section 5.1.15)."), attr->name, date[3]); |
| 4921 | return (0); |
| 4922 | } |
| 4923 | |
| 4924 | if (date[4] > 23) |
| 4925 | { |
| 4926 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 4927 | _("\"%s\": Bad dateTime hours %u " |
| 4928 | "(RFC 8011 section 5.1.15)."), attr->name, date[4]); |
| 4929 | return (0); |
| 4930 | } |
| 4931 | |
| 4932 | if (date[5] > 59) |
| 4933 | { |
| 4934 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 4935 | _("\"%s\": Bad dateTime minutes %u " |
| 4936 | "(RFC 8011 section 5.1.15)."), attr->name, date[5]); |
| 4937 | return (0); |
| 4938 | } |
| 4939 | |
| 4940 | if (date[6] > 60) |
| 4941 | { |
| 4942 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 4943 | _("\"%s\": Bad dateTime seconds %u " |
| 4944 | "(RFC 8011 section 5.1.15)."), attr->name, date[6]); |
| 4945 | return (0); |
| 4946 | } |
| 4947 | |
| 4948 | if (date[7] > 9) |
| 4949 | { |
| 4950 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 4951 | _("\"%s\": Bad dateTime deciseconds %u " |
| 4952 | "(RFC 8011 section 5.1.15)."), attr->name, date[7]); |
| 4953 | return (0); |
| 4954 | } |
| 4955 | |
| 4956 | if (date[8] != '-' && date[8] != '+') |
| 4957 | { |
| 4958 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 4959 | _("\"%s\": Bad dateTime UTC sign '%c' " |
| 4960 | "(RFC 8011 section 5.1.15)."), attr->name, date[8]); |
| 4961 | return (0); |
| 4962 | } |
| 4963 | |
| 4964 | if (date[9] > 11) |
| 4965 | { |
| 4966 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 4967 | _("\"%s\": Bad dateTime UTC hours %u " |
| 4968 | "(RFC 8011 section 5.1.15)."), attr->name, date[9]); |
| 4969 | return (0); |
| 4970 | } |
| 4971 | |
| 4972 | if (date[10] > 59) |
| 4973 | { |
| 4974 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 4975 | _("\"%s\": Bad dateTime UTC minutes %u " |
| 4976 | "(RFC 8011 section 5.1.15)."), attr->name, date[10]); |
| 4977 | return (0); |
| 4978 | } |
| 4979 | } |
| 4980 | break; |
| 4981 | |
| 4982 | case IPP_TAG_RESOLUTION : |
| 4983 | for (i = 0; i < attr->num_values; i ++) |
| 4984 | { |
| 4985 | if (attr->values[i].resolution.xres <= 0) |
| 4986 | { |
| 4987 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 4988 | _("\"%s\": Bad resolution value %dx%d%s - cross " |
| 4989 | "feed resolution must be positive " |
| 4990 | "(RFC 8011 section 5.1.16)."), attr->name, |
| 4991 | attr->values[i].resolution.xres, |
| 4992 | attr->values[i].resolution.yres, |
| 4993 | attr->values[i].resolution.units == |
| 4994 | IPP_RES_PER_INCH ? "dpi" : |
| 4995 | attr->values[i].resolution.units == |
| 4996 | IPP_RES_PER_CM ? "dpcm" : "unknown"); |
| 4997 | return (0); |
| 4998 | } |
| 4999 | |
| 5000 | if (attr->values[i].resolution.yres <= 0) |
| 5001 | { |
| 5002 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5003 | _("\"%s\": Bad resolution value %dx%d%s - feed " |
| 5004 | "resolution must be positive " |
| 5005 | "(RFC 8011 section 5.1.16)."), attr->name, |
| 5006 | attr->values[i].resolution.xres, |
| 5007 | attr->values[i].resolution.yres, |
| 5008 | attr->values[i].resolution.units == |
| 5009 | IPP_RES_PER_INCH ? "dpi" : |
| 5010 | attr->values[i].resolution.units == |
| 5011 | IPP_RES_PER_CM ? "dpcm" : "unknown"); |
| 5012 | return (0); |
| 5013 | } |
| 5014 | |
| 5015 | if (attr->values[i].resolution.units != IPP_RES_PER_INCH && |
| 5016 | attr->values[i].resolution.units != IPP_RES_PER_CM) |
| 5017 | { |
| 5018 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5019 | _("\"%s\": Bad resolution value %dx%d%s - bad " |
| 5020 | "units value (RFC 8011 section 5.1.16)."), |
| 5021 | attr->name, attr->values[i].resolution.xres, |
| 5022 | attr->values[i].resolution.yres, |
| 5023 | attr->values[i].resolution.units == |
| 5024 | IPP_RES_PER_INCH ? "dpi" : |
| 5025 | attr->values[i].resolution.units == |
| 5026 | IPP_RES_PER_CM ? "dpcm" : "unknown"); |
| 5027 | return (0); |
| 5028 | } |
| 5029 | } |
| 5030 | break; |
| 5031 | |
| 5032 | case IPP_TAG_RANGE : |
| 5033 | for (i = 0; i < attr->num_values; i ++) |
| 5034 | { |
| 5035 | if (attr->values[i].range.lower > attr->values[i].range.upper) |
| 5036 | { |
| 5037 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5038 | _("\"%s\": Bad rangeOfInteger value %d-%d - lower " |
| 5039 | "greater than upper (RFC 8011 section 5.1.14)."), |
| 5040 | attr->name, attr->values[i].range.lower, |
| 5041 | attr->values[i].range.upper); |
| 5042 | return (0); |
| 5043 | } |
| 5044 | } |
| 5045 | break; |
| 5046 | |
| 5047 | case IPP_TAG_BEGIN_COLLECTION : |
| 5048 | for (i = 0; i < attr->num_values; i ++) |
| 5049 | { |
| 5050 | for (colattr = attr->values[i].collection->attrs; |
| 5051 | colattr; |
| 5052 | colattr = colattr->next) |
| 5053 | { |
| 5054 | if (!ippValidateAttribute(colattr)) |
| 5055 | return (0); |
| 5056 | } |
| 5057 | } |
| 5058 | break; |
| 5059 | |
| 5060 | case IPP_TAG_TEXT : |
| 5061 | case IPP_TAG_TEXTLANG : |
| 5062 | for (i = 0; i < attr->num_values; i ++) |
| 5063 | { |
| 5064 | for (ptr = attr->values[i].string.text; *ptr; ptr ++) |
| 5065 | { |
| 5066 | if ((*ptr & 0xe0) == 0xc0) |
| 5067 | { |
| 5068 | ptr ++; |
| 5069 | if ((*ptr & 0xc0) != 0x80) |
| 5070 | break; |
| 5071 | } |
| 5072 | else if ((*ptr & 0xf0) == 0xe0) |
| 5073 | { |
| 5074 | ptr ++; |
| 5075 | if ((*ptr & 0xc0) != 0x80) |
| 5076 | break; |
| 5077 | ptr ++; |
| 5078 | if ((*ptr & 0xc0) != 0x80) |
| 5079 | break; |
| 5080 | } |
| 5081 | else if ((*ptr & 0xf8) == 0xf0) |
| 5082 | { |
| 5083 | ptr ++; |
| 5084 | if ((*ptr & 0xc0) != 0x80) |
| 5085 | break; |
| 5086 | ptr ++; |
| 5087 | if ((*ptr & 0xc0) != 0x80) |
| 5088 | break; |
| 5089 | ptr ++; |
| 5090 | if ((*ptr & 0xc0) != 0x80) |
| 5091 | break; |
| 5092 | } |
| 5093 | else if (*ptr & 0x80) |
| 5094 | break; |
| 5095 | } |
| 5096 | |
| 5097 | if (*ptr) |
| 5098 | { |
| 5099 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5100 | _("\"%s\": Bad text value \"%s\" - bad UTF-8 " |
| 5101 | "sequence (RFC 8011 section 5.1.2)."), attr->name, |
| 5102 | attr->values[i].string.text); |
| 5103 | return (0); |
| 5104 | } |
| 5105 | |
| 5106 | if ((ptr - attr->values[i].string.text) > (IPP_MAX_TEXT - 1)) |
| 5107 | { |
| 5108 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5109 | _("\"%s\": Bad text value \"%s\" - bad length %d " |
| 5110 | "(RFC 8011 section 5.1.2)."), attr->name, |
| 5111 | attr->values[i].string.text, |
| 5112 | (int)(ptr - attr->values[i].string.text)); |
| 5113 | return (0); |
| 5114 | } |
| 5115 | } |
| 5116 | break; |
| 5117 | |
| 5118 | case IPP_TAG_NAME : |
| 5119 | case IPP_TAG_NAMELANG : |
| 5120 | for (i = 0; i < attr->num_values; i ++) |
| 5121 | { |
| 5122 | for (ptr = attr->values[i].string.text; *ptr; ptr ++) |
| 5123 | { |
| 5124 | if ((*ptr & 0xe0) == 0xc0) |
| 5125 | { |
| 5126 | ptr ++; |
| 5127 | if ((*ptr & 0xc0) != 0x80) |
| 5128 | break; |
| 5129 | } |
| 5130 | else if ((*ptr & 0xf0) == 0xe0) |
| 5131 | { |
| 5132 | ptr ++; |
| 5133 | if ((*ptr & 0xc0) != 0x80) |
| 5134 | break; |
| 5135 | ptr ++; |
| 5136 | if ((*ptr & 0xc0) != 0x80) |
| 5137 | break; |
| 5138 | } |
| 5139 | else if ((*ptr & 0xf8) == 0xf0) |
| 5140 | { |
| 5141 | ptr ++; |
| 5142 | if ((*ptr & 0xc0) != 0x80) |
| 5143 | break; |
| 5144 | ptr ++; |
| 5145 | if ((*ptr & 0xc0) != 0x80) |
| 5146 | break; |
| 5147 | ptr ++; |
| 5148 | if ((*ptr & 0xc0) != 0x80) |
| 5149 | break; |
| 5150 | } |
| 5151 | else if (*ptr & 0x80) |
| 5152 | break; |
| 5153 | } |
| 5154 | |
| 5155 | if (*ptr) |
| 5156 | { |
| 5157 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5158 | _("\"%s\": Bad name value \"%s\" - bad UTF-8 " |
| 5159 | "sequence (RFC 8011 section 5.1.3)."), attr->name, |
| 5160 | attr->values[i].string.text); |
| 5161 | return (0); |
| 5162 | } |
| 5163 | |
| 5164 | if ((ptr - attr->values[i].string.text) > (IPP_MAX_NAME - 1)) |
| 5165 | { |
| 5166 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5167 | _("\"%s\": Bad name value \"%s\" - bad length %d " |
| 5168 | "(RFC 8011 section 5.1.3)."), attr->name, |
| 5169 | attr->values[i].string.text, |
| 5170 | (int)(ptr - attr->values[i].string.text)); |
| 5171 | return (0); |
| 5172 | } |
| 5173 | } |
| 5174 | break; |
| 5175 | |
| 5176 | case IPP_TAG_KEYWORD : |
| 5177 | for (i = 0; i < attr->num_values; i ++) |
| 5178 | { |
| 5179 | for (ptr = attr->values[i].string.text; *ptr; ptr ++) |
| 5180 | if (!isalnum(*ptr & 255) && *ptr != '-' && *ptr != '.' && |
| 5181 | *ptr != '_') |
| 5182 | break; |
| 5183 | |
| 5184 | if (*ptr || ptr == attr->values[i].string.text) |
| 5185 | { |
| 5186 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5187 | _("\"%s\": Bad keyword value \"%s\" - invalid " |
| 5188 | "character (RFC 8011 section 5.1.4)."), |
| 5189 | attr->name, attr->values[i].string.text); |
| 5190 | return (0); |
| 5191 | } |
| 5192 | |
| 5193 | if ((ptr - attr->values[i].string.text) > (IPP_MAX_KEYWORD - 1)) |
| 5194 | { |
| 5195 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5196 | _("\"%s\": Bad keyword value \"%s\" - bad " |
| 5197 | "length %d (RFC 8011 section 5.1.4)."), |
| 5198 | attr->name, attr->values[i].string.text, |
| 5199 | (int)(ptr - attr->values[i].string.text)); |
| 5200 | return (0); |
| 5201 | } |
| 5202 | } |
| 5203 | break; |
| 5204 | |
| 5205 | case IPP_TAG_URI : |
| 5206 | for (i = 0; i < attr->num_values; i ++) |
| 5207 | { |
| 5208 | uri_status = httpSeparateURI(HTTP_URI_CODING_ALL, |
| 5209 | attr->values[i].string.text, |
| 5210 | scheme, sizeof(scheme), |
| 5211 | userpass, sizeof(userpass), |
| 5212 | hostname, sizeof(hostname), |
| 5213 | &port, resource, sizeof(resource)); |
| 5214 | |
| 5215 | if (uri_status < HTTP_URI_STATUS_OK) |
| 5216 | { |
| 5217 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5218 | _("\"%s\": Bad URI value \"%s\" - %s " |
| 5219 | "(RFC 8011 section 5.1.6)."), attr->name, |
| 5220 | attr->values[i].string.text, |
| 5221 | uri_status_strings[uri_status - |
| 5222 | HTTP_URI_STATUS_OVERFLOW]); |
| 5223 | return (0); |
| 5224 | } |
| 5225 | |
| 5226 | if (strlen(attr->values[i].string.text) > (IPP_MAX_URI - 1)) |
| 5227 | { |
| 5228 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5229 | _("\"%s\": Bad URI value \"%s\" - bad length %d " |
| 5230 | "(RFC 8011 section 5.1.6)."), attr->name, |
| 5231 | attr->values[i].string.text, |
| 5232 | (int)strlen(attr->values[i].string.text)); |
| 5233 | } |
| 5234 | } |
| 5235 | break; |
| 5236 | |
| 5237 | case IPP_TAG_URISCHEME : |
| 5238 | for (i = 0; i < attr->num_values; i ++) |
| 5239 | { |
| 5240 | ptr = attr->values[i].string.text; |
| 5241 | if (islower(*ptr & 255)) |
| 5242 | { |
| 5243 | for (ptr ++; *ptr; ptr ++) |
| 5244 | if (!islower(*ptr & 255) && !isdigit(*ptr & 255) && |
| 5245 | *ptr != '+' && *ptr != '-' && *ptr != '.') |
| 5246 | break; |
| 5247 | } |
| 5248 | |
| 5249 | if (*ptr || ptr == attr->values[i].string.text) |
| 5250 | { |
| 5251 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5252 | _("\"%s\": Bad uriScheme value \"%s\" - bad " |
| 5253 | "characters (RFC 8011 section 5.1.7)."), |
| 5254 | attr->name, attr->values[i].string.text); |
| 5255 | return (0); |
| 5256 | } |
| 5257 | |
| 5258 | if ((ptr - attr->values[i].string.text) > (IPP_MAX_URISCHEME - 1)) |
| 5259 | { |
| 5260 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5261 | _("\"%s\": Bad uriScheme value \"%s\" - bad " |
| 5262 | "length %d (RFC 8011 section 5.1.7)."), |
| 5263 | attr->name, attr->values[i].string.text, |
| 5264 | (int)(ptr - attr->values[i].string.text)); |
| 5265 | return (0); |
| 5266 | } |
| 5267 | } |
| 5268 | break; |
| 5269 | |
| 5270 | case IPP_TAG_CHARSET : |
| 5271 | for (i = 0; i < attr->num_values; i ++) |
| 5272 | { |
| 5273 | for (ptr = attr->values[i].string.text; *ptr; ptr ++) |
| 5274 | if (!isprint(*ptr & 255) || isupper(*ptr & 255) || |
| 5275 | isspace(*ptr & 255)) |
| 5276 | break; |
| 5277 | |
| 5278 | if (*ptr || ptr == attr->values[i].string.text) |
| 5279 | { |
| 5280 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5281 | _("\"%s\": Bad charset value \"%s\" - bad " |
| 5282 | "characters (RFC 8011 section 5.1.8)."), |
| 5283 | attr->name, attr->values[i].string.text); |
| 5284 | return (0); |
| 5285 | } |
| 5286 | |
| 5287 | if ((ptr - attr->values[i].string.text) > (IPP_MAX_CHARSET - 1)) |
| 5288 | { |
| 5289 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5290 | _("\"%s\": Bad charset value \"%s\" - bad " |
| 5291 | "length %d (RFC 8011 section 5.1.8)."), |
| 5292 | attr->name, attr->values[i].string.text, |
| 5293 | (int)(ptr - attr->values[i].string.text)); |
| 5294 | return (0); |
| 5295 | } |
| 5296 | } |
| 5297 | break; |
| 5298 | |
| 5299 | case IPP_TAG_LANGUAGE : |
| 5300 | /* |
| 5301 | * The following regular expression is derived from the ABNF for |
| 5302 | * language tags in RFC 4646. All I can say is that this is the |
| 5303 | * easiest way to check the values... |
| 5304 | */ |
| 5305 | |
| 5306 | if ((i = regcomp(&re, |
| 5307 | "^(" |
| 5308 | "(([a-z]{2,3}(-[a-z][a-z][a-z]){0,3})|[a-z]{4,8})" |
| 5309 | /* language */ |
| 5310 | "(-[a-z][a-z][a-z][a-z]){0,1}" /* script */ |
| 5311 | "(-([a-z][a-z]|[0-9][0-9][0-9])){0,1}" /* region */ |
| 5312 | "(-([a-z]{5,8}|[0-9][0-9][0-9]))*" /* variant */ |
| 5313 | "(-[a-wy-z](-[a-z0-9]{2,8})+)*" /* extension */ |
| 5314 | "(-x(-[a-z0-9]{1,8})+)*" /* privateuse */ |
| 5315 | "|" |
| 5316 | "x(-[a-z0-9]{1,8})+" /* privateuse */ |
| 5317 | "|" |
| 5318 | "[a-z]{1,3}(-[a-z][0-9]{2,8}){1,2}" /* grandfathered */ |
| 5319 | ")$", |
| 5320 | REG_NOSUB | REG_EXTENDED)) != 0) |
| 5321 | { |
| 5322 | char temp[256]; /* Temporary error string */ |
| 5323 | |
| 5324 | regerror(i, &re, temp, sizeof(temp)); |
| 5325 | ipp_set_error(IPP_STATUS_ERROR_INTERNAL, |
| 5326 | _("Unable to compile naturalLanguage regular " |
| 5327 | "expression: %s."), temp); |
| 5328 | return (0); |
| 5329 | } |
| 5330 | |
| 5331 | for (i = 0; i < attr->num_values; i ++) |
| 5332 | { |
| 5333 | if (regexec(&re, attr->values[i].string.text, 0, NULL, 0)) |
| 5334 | { |
| 5335 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5336 | _("\"%s\": Bad naturalLanguage value \"%s\" - bad " |
| 5337 | "characters (RFC 8011 section 5.1.9)."), |
| 5338 | attr->name, attr->values[i].string.text); |
| 5339 | regfree(&re); |
| 5340 | return (0); |
| 5341 | } |
| 5342 | |
| 5343 | if (strlen(attr->values[i].string.text) > (IPP_MAX_LANGUAGE - 1)) |
| 5344 | { |
| 5345 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5346 | _("\"%s\": Bad naturalLanguage value \"%s\" - bad " |
| 5347 | "length %d (RFC 8011 section 5.1.9)."), |
| 5348 | attr->name, attr->values[i].string.text, |
| 5349 | (int)strlen(attr->values[i].string.text)); |
| 5350 | regfree(&re); |
| 5351 | return (0); |
| 5352 | } |
| 5353 | } |
| 5354 | |
| 5355 | regfree(&re); |
| 5356 | break; |
| 5357 | |
| 5358 | case IPP_TAG_MIMETYPE : |
| 5359 | /* |
| 5360 | * The following regular expression is derived from the ABNF for |
| 5361 | * MIME media types in RFC 2045 and 4288. All I can say is that this is |
| 5362 | * the easiest way to check the values... |
| 5363 | */ |
| 5364 | |
| 5365 | if ((i = regcomp(&re, |
| 5366 | "^" |
| 5367 | "[-a-zA-Z0-9!#$&.+^_]{1,127}" /* type-name */ |
| 5368 | "/" |
| 5369 | "[-a-zA-Z0-9!#$&.+^_]{1,127}" /* subtype-name */ |
| 5370 | "(;[-a-zA-Z0-9!#$&.+^_]{1,127}=" /* parameter= */ |
| 5371 | "([-a-zA-Z0-9!#$&.+^_]{1,127}|\"[^\"]*\"))*" |
| 5372 | /* value */ |
| 5373 | "$", |
| 5374 | REG_NOSUB | REG_EXTENDED)) != 0) |
| 5375 | { |
| 5376 | char temp[256]; /* Temporary error string */ |
| 5377 | |
| 5378 | regerror(i, &re, temp, sizeof(temp)); |
| 5379 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5380 | _("Unable to compile mimeMediaType regular " |
| 5381 | "expression: %s."), temp); |
| 5382 | return (0); |
| 5383 | } |
| 5384 | |
| 5385 | for (i = 0; i < attr->num_values; i ++) |
| 5386 | { |
| 5387 | if (regexec(&re, attr->values[i].string.text, 0, NULL, 0)) |
| 5388 | { |
| 5389 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5390 | _("\"%s\": Bad mimeMediaType value \"%s\" - bad " |
| 5391 | "characters (RFC 8011 section 5.1.10)."), |
| 5392 | attr->name, attr->values[i].string.text); |
| 5393 | regfree(&re); |
| 5394 | return (0); |
| 5395 | } |
| 5396 | |
| 5397 | if (strlen(attr->values[i].string.text) > (IPP_MAX_MIMETYPE - 1)) |
| 5398 | { |
| 5399 | ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, |
| 5400 | _("\"%s\": Bad mimeMediaType value \"%s\" - bad " |
| 5401 | "length %d (RFC 8011 section 5.1.10)."), |
| 5402 | attr->name, attr->values[i].string.text, |
| 5403 | (int)strlen(attr->values[i].string.text)); |
| 5404 | regfree(&re); |
| 5405 | return (0); |
| 5406 | } |
| 5407 | } |
| 5408 | |
| 5409 | regfree(&re); |
| 5410 | break; |
| 5411 | |
| 5412 | default : |
| 5413 | break; |
| 5414 | } |
| 5415 | |
| 5416 | return (1); |
| 5417 | } |
| 5418 | |
| 5419 | |
| 5420 | /* |
| 5421 | * 'ippValidateAttributes()' - Validate all attributes in an IPP message. |
| 5422 | * |
| 5423 | * This function validates the contents of the IPP message, including each |
| 5424 | * attribute. Like @link ippValidateAttribute@, @link cupsLastErrorString@ is |
| 5425 | * set to a human-readable message on failure. |
| 5426 | * |
| 5427 | * @since CUPS 1.7/macOS 10.9@ |
| 5428 | */ |
| 5429 | |
| 5430 | int /* O - 1 if valid, 0 otherwise */ |
| 5431 | ippValidateAttributes(ipp_t *ipp) /* I - IPP message */ |
| 5432 | { |
| 5433 | ipp_attribute_t *attr; /* Current attribute */ |
| 5434 | |
| 5435 | |
| 5436 | if (!ipp) |
| 5437 | return (1); |
| 5438 | |
| 5439 | for (attr = ipp->attrs; attr; attr = attr->next) |
| 5440 | if (!ippValidateAttribute(attr)) |
| 5441 | return (0); |
| 5442 | |
| 5443 | return (1); |
| 5444 | } |
| 5445 | |
| 5446 | |
| 5447 | /* |
| 5448 | * 'ippWrite()' - Write data for an IPP message to a HTTP connection. |
| 5449 | */ |
| 5450 | |
| 5451 | ipp_state_t /* O - Current state */ |
| 5452 | ippWrite(http_t *http, /* I - HTTP connection */ |
| 5453 | ipp_t *ipp) /* I - IPP data */ |
| 5454 | { |
| 5455 | DEBUG_printf(("ippWrite(http=%p, ipp=%p)", (void *)http, (void *)ipp)); |
| 5456 | |
| 5457 | if (!http) |
| 5458 | return (IPP_STATE_ERROR); |
| 5459 | |
| 5460 | return (ippWriteIO(http, (ipp_iocb_t)httpWrite2, http->blocking, NULL, ipp)); |
| 5461 | } |
| 5462 | |
| 5463 | |
| 5464 | /* |
| 5465 | * 'ippWriteFile()' - Write data for an IPP message to a file. |
| 5466 | * |
| 5467 | * @since CUPS 1.1.19/macOS 10.3@ |
| 5468 | */ |
| 5469 | |
| 5470 | ipp_state_t /* O - Current state */ |
| 5471 | ippWriteFile(int fd, /* I - HTTP data */ |
| 5472 | ipp_t *ipp) /* I - IPP data */ |
| 5473 | { |
| 5474 | DEBUG_printf(("ippWriteFile(fd=%d, ipp=%p)", fd, (void *)ipp)); |
| 5475 | |
| 5476 | ipp->state = IPP_STATE_IDLE; |
| 5477 | |
| 5478 | return (ippWriteIO(&fd, (ipp_iocb_t)ipp_write_file, 1, NULL, ipp)); |
| 5479 | } |
| 5480 | |
| 5481 | |
| 5482 | /* |
| 5483 | * 'ippWriteIO()' - Write data for an IPP message. |
| 5484 | * |
| 5485 | * @since CUPS 1.2/macOS 10.5@ |
| 5486 | */ |
| 5487 | |
| 5488 | ipp_state_t /* O - Current state */ |
| 5489 | ippWriteIO(void *dst, /* I - Destination */ |
| 5490 | ipp_iocb_t cb, /* I - Write callback function */ |
| 5491 | int blocking, /* I - Use blocking IO? */ |
| 5492 | ipp_t *parent, /* I - Parent IPP message */ |
| 5493 | ipp_t *ipp) /* I - IPP data */ |
| 5494 | { |
| 5495 | int i; /* Looping var */ |
| 5496 | int n; /* Length of data */ |
| 5497 | unsigned char *buffer, /* Data buffer */ |
| 5498 | *bufptr; /* Pointer into buffer */ |
| 5499 | ipp_attribute_t *attr; /* Current attribute */ |
| 5500 | _ipp_value_t *value; /* Current value */ |
| 5501 | |
| 5502 | |
| 5503 | DEBUG_printf(("ippWriteIO(dst=%p, cb=%p, blocking=%d, parent=%p, ipp=%p)", (void *)dst, (void *)cb, blocking, (void *)parent, (void *)ipp)); |
| 5504 | |
| 5505 | if (!dst || !ipp) |
| 5506 | return (IPP_STATE_ERROR); |
| 5507 | |
| 5508 | if ((buffer = (unsigned char *)_cupsBufferGet(IPP_BUF_SIZE)) == NULL) |
| 5509 | { |
| 5510 | DEBUG_puts("1ippWriteIO: Unable to get write buffer"); |
| 5511 | return (IPP_STATE_ERROR); |
| 5512 | } |
| 5513 | |
| 5514 | switch (ipp->state) |
| 5515 | { |
| 5516 | case IPP_STATE_IDLE : |
| 5517 | ipp->state ++; /* Avoid common problem... */ |
| 5518 | |
| 5519 | case IPP_STATE_HEADER : |
| 5520 | if (parent == NULL) |
| 5521 | { |
| 5522 | /* |
| 5523 | * Send the request header: |
| 5524 | * |
| 5525 | * Version = 2 bytes |
| 5526 | * Operation/Status Code = 2 bytes |
| 5527 | * Request ID = 4 bytes |
| 5528 | * Total = 8 bytes |
| 5529 | */ |
| 5530 | |
| 5531 | bufptr = buffer; |
| 5532 | |
| 5533 | *bufptr++ = ipp->request.any.version[0]; |
| 5534 | *bufptr++ = ipp->request.any.version[1]; |
| 5535 | *bufptr++ = (ipp_uchar_t)(ipp->request.any.op_status >> 8); |
| 5536 | *bufptr++ = (ipp_uchar_t)ipp->request.any.op_status; |
| 5537 | *bufptr++ = (ipp_uchar_t)(ipp->request.any.request_id >> 24); |
| 5538 | *bufptr++ = (ipp_uchar_t)(ipp->request.any.request_id >> 16); |
| 5539 | *bufptr++ = (ipp_uchar_t)(ipp->request.any.request_id >> 8); |
| 5540 | *bufptr++ = (ipp_uchar_t)ipp->request.any.request_id; |
| 5541 | |
| 5542 | DEBUG_printf(("2ippWriteIO: version=%d.%d", buffer[0], buffer[1])); |
| 5543 | DEBUG_printf(("2ippWriteIO: op_status=%04x", |
| 5544 | ipp->request.any.op_status)); |
| 5545 | DEBUG_printf(("2ippWriteIO: request_id=%d", |
| 5546 | ipp->request.any.request_id)); |
| 5547 | |
| 5548 | if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| 5549 | { |
| 5550 | DEBUG_puts("1ippWriteIO: Could not write IPP header..."); |
| 5551 | _cupsBufferRelease((char *)buffer); |
| 5552 | return (IPP_STATE_ERROR); |
| 5553 | } |
| 5554 | } |
| 5555 | |
| 5556 | /* |
| 5557 | * Reset the state engine to point to the first attribute |
| 5558 | * in the request/response, with no current group. |
| 5559 | */ |
| 5560 | |
| 5561 | ipp->state = IPP_STATE_ATTRIBUTE; |
| 5562 | ipp->current = ipp->attrs; |
| 5563 | ipp->curtag = IPP_TAG_ZERO; |
| 5564 | |
| 5565 | DEBUG_printf(("1ippWriteIO: ipp->current=%p", (void *)ipp->current)); |
| 5566 | |
| 5567 | /* |
| 5568 | * If blocking is disabled, stop here... |
| 5569 | */ |
| 5570 | |
| 5571 | if (!blocking) |
| 5572 | break; |
| 5573 | |
| 5574 | case IPP_STATE_ATTRIBUTE : |
| 5575 | while (ipp->current != NULL) |
| 5576 | { |
| 5577 | /* |
| 5578 | * Write this attribute... |
| 5579 | */ |
| 5580 | |
| 5581 | bufptr = buffer; |
| 5582 | attr = ipp->current; |
| 5583 | |
| 5584 | ipp->current = ipp->current->next; |
| 5585 | |
| 5586 | if (!parent) |
| 5587 | { |
| 5588 | if (ipp->curtag != attr->group_tag) |
| 5589 | { |
| 5590 | /* |
| 5591 | * Send a group tag byte... |
| 5592 | */ |
| 5593 | |
| 5594 | ipp->curtag = attr->group_tag; |
| 5595 | |
| 5596 | if (attr->group_tag == IPP_TAG_ZERO) |
| 5597 | continue; |
| 5598 | |
| 5599 | DEBUG_printf(("2ippWriteIO: wrote group tag=%x(%s)", |
| 5600 | attr->group_tag, ippTagString(attr->group_tag))); |
| 5601 | *bufptr++ = (ipp_uchar_t)attr->group_tag; |
| 5602 | } |
| 5603 | else if (attr->group_tag == IPP_TAG_ZERO) |
| 5604 | continue; |
| 5605 | } |
| 5606 | |
| 5607 | DEBUG_printf(("1ippWriteIO: %s (%s%s)", attr->name, |
| 5608 | attr->num_values > 1 ? "1setOf " : "", |
| 5609 | ippTagString(attr->value_tag))); |
| 5610 | |
| 5611 | /* |
| 5612 | * Write the attribute tag and name. |
| 5613 | * |
| 5614 | * The attribute name length does not include the trailing nul |
| 5615 | * character in the source string. |
| 5616 | * |
| 5617 | * Collection values (parent != NULL) are written differently... |
| 5618 | */ |
| 5619 | |
| 5620 | if (parent == NULL) |
| 5621 | { |
| 5622 | /* |
| 5623 | * Get the length of the attribute name, and make sure it won't |
| 5624 | * overflow the buffer... |
| 5625 | */ |
| 5626 | |
| 5627 | if ((n = (int)strlen(attr->name)) > (IPP_BUF_SIZE - 8)) |
| 5628 | { |
| 5629 | DEBUG_printf(("1ippWriteIO: Attribute name too long (%d)", n)); |
| 5630 | _cupsBufferRelease((char *)buffer); |
| 5631 | return (IPP_STATE_ERROR); |
| 5632 | } |
| 5633 | |
| 5634 | /* |
| 5635 | * Write the value tag, name length, and name string... |
| 5636 | */ |
| 5637 | |
| 5638 | DEBUG_printf(("2ippWriteIO: writing value tag=%x(%s)", |
| 5639 | attr->value_tag, ippTagString(attr->value_tag))); |
| 5640 | DEBUG_printf(("2ippWriteIO: writing name=%d,\"%s\"", n, |
| 5641 | attr->name)); |
| 5642 | |
| 5643 | if (attr->value_tag > 0xff) |
| 5644 | { |
| 5645 | *bufptr++ = IPP_TAG_EXTENSION; |
| 5646 | *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 24); |
| 5647 | *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 16); |
| 5648 | *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 8); |
| 5649 | *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| 5650 | } |
| 5651 | else |
| 5652 | *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| 5653 | |
| 5654 | *bufptr++ = (ipp_uchar_t)(n >> 8); |
| 5655 | *bufptr++ = (ipp_uchar_t)n; |
| 5656 | memcpy(bufptr, attr->name, (size_t)n); |
| 5657 | bufptr += n; |
| 5658 | } |
| 5659 | else |
| 5660 | { |
| 5661 | /* |
| 5662 | * Get the length of the attribute name, and make sure it won't |
| 5663 | * overflow the buffer... |
| 5664 | */ |
| 5665 | |
| 5666 | if ((n = (int)strlen(attr->name)) > (IPP_BUF_SIZE - 12)) |
| 5667 | { |
| 5668 | DEBUG_printf(("1ippWriteIO: Attribute name too long (%d)", n)); |
| 5669 | _cupsBufferRelease((char *)buffer); |
| 5670 | return (IPP_STATE_ERROR); |
| 5671 | } |
| 5672 | |
| 5673 | /* |
| 5674 | * Write the member name tag, name length, name string, value tag, |
| 5675 | * and empty name for the collection member attribute... |
| 5676 | */ |
| 5677 | |
| 5678 | DEBUG_printf(("2ippWriteIO: writing value tag=%x(memberName)", |
| 5679 | IPP_TAG_MEMBERNAME)); |
| 5680 | DEBUG_printf(("2ippWriteIO: writing name=%d,\"%s\"", n, |
| 5681 | attr->name)); |
| 5682 | DEBUG_printf(("2ippWriteIO: writing value tag=%x(%s)", |
| 5683 | attr->value_tag, ippTagString(attr->value_tag))); |
| 5684 | DEBUG_puts("2ippWriteIO: writing name=0,\"\""); |
| 5685 | |
| 5686 | *bufptr++ = IPP_TAG_MEMBERNAME; |
| 5687 | *bufptr++ = 0; |
| 5688 | *bufptr++ = 0; |
| 5689 | *bufptr++ = (ipp_uchar_t)(n >> 8); |
| 5690 | *bufptr++ = (ipp_uchar_t)n; |
| 5691 | memcpy(bufptr, attr->name, (size_t)n); |
| 5692 | bufptr += n; |
| 5693 | |
| 5694 | if (attr->value_tag > 0xff) |
| 5695 | { |
| 5696 | *bufptr++ = IPP_TAG_EXTENSION; |
| 5697 | *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 24); |
| 5698 | *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 16); |
| 5699 | *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 8); |
| 5700 | *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| 5701 | } |
| 5702 | else |
| 5703 | *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| 5704 | |
| 5705 | *bufptr++ = 0; |
| 5706 | *bufptr++ = 0; |
| 5707 | } |
| 5708 | |
| 5709 | /* |
| 5710 | * Now write the attribute value(s)... |
| 5711 | */ |
| 5712 | |
| 5713 | switch (attr->value_tag & ~IPP_TAG_CUPS_CONST) |
| 5714 | { |
| 5715 | case IPP_TAG_UNSUPPORTED_VALUE : |
| 5716 | case IPP_TAG_DEFAULT : |
| 5717 | case IPP_TAG_UNKNOWN : |
| 5718 | case IPP_TAG_NOVALUE : |
| 5719 | case IPP_TAG_NOTSETTABLE : |
| 5720 | case IPP_TAG_DELETEATTR : |
| 5721 | case IPP_TAG_ADMINDEFINE : |
| 5722 | *bufptr++ = 0; |
| 5723 | *bufptr++ = 0; |
| 5724 | break; |
| 5725 | |
| 5726 | case IPP_TAG_INTEGER : |
| 5727 | case IPP_TAG_ENUM : |
| 5728 | for (i = 0, value = attr->values; |
| 5729 | i < attr->num_values; |
| 5730 | i ++, value ++) |
| 5731 | { |
| 5732 | if ((IPP_BUF_SIZE - (bufptr - buffer)) < 9) |
| 5733 | { |
| 5734 | if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| 5735 | { |
| 5736 | DEBUG_puts("1ippWriteIO: Could not write IPP " |
| 5737 | "attribute..."); |
| 5738 | _cupsBufferRelease((char *)buffer); |
| 5739 | return (IPP_STATE_ERROR); |
| 5740 | } |
| 5741 | |
| 5742 | bufptr = buffer; |
| 5743 | } |
| 5744 | |
| 5745 | if (i) |
| 5746 | { |
| 5747 | /* |
| 5748 | * Arrays and sets are done by sending additional |
| 5749 | * values with a zero-length name... |
| 5750 | */ |
| 5751 | |
| 5752 | *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| 5753 | *bufptr++ = 0; |
| 5754 | *bufptr++ = 0; |
| 5755 | } |
| 5756 | |
| 5757 | /* |
| 5758 | * Integers and enumerations are both 4-byte signed |
| 5759 | * (twos-complement) values. |
| 5760 | * |
| 5761 | * Put the 2-byte length and 4-byte value into the buffer... |
| 5762 | */ |
| 5763 | |
| 5764 | *bufptr++ = 0; |
| 5765 | *bufptr++ = 4; |
| 5766 | *bufptr++ = (ipp_uchar_t)(value->integer >> 24); |
| 5767 | *bufptr++ = (ipp_uchar_t)(value->integer >> 16); |
| 5768 | *bufptr++ = (ipp_uchar_t)(value->integer >> 8); |
| 5769 | *bufptr++ = (ipp_uchar_t)value->integer; |
| 5770 | } |
| 5771 | break; |
| 5772 | |
| 5773 | case IPP_TAG_BOOLEAN : |
| 5774 | for (i = 0, value = attr->values; |
| 5775 | i < attr->num_values; |
| 5776 | i ++, value ++) |
| 5777 | { |
| 5778 | if ((IPP_BUF_SIZE - (bufptr - buffer)) < 6) |
| 5779 | { |
| 5780 | if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| 5781 | { |
| 5782 | DEBUG_puts("1ippWriteIO: Could not write IPP " |
| 5783 | "attribute..."); |
| 5784 | _cupsBufferRelease((char *)buffer); |
| 5785 | return (IPP_STATE_ERROR); |
| 5786 | } |
| 5787 | |
| 5788 | bufptr = buffer; |
| 5789 | } |
| 5790 | |
| 5791 | if (i) |
| 5792 | { |
| 5793 | /* |
| 5794 | * Arrays and sets are done by sending additional |
| 5795 | * values with a zero-length name... |
| 5796 | */ |
| 5797 | |
| 5798 | *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| 5799 | *bufptr++ = 0; |
| 5800 | *bufptr++ = 0; |
| 5801 | } |
| 5802 | |
| 5803 | /* |
| 5804 | * Boolean values are 1-byte; 0 = false, 1 = true. |
| 5805 | * |
| 5806 | * Put the 2-byte length and 1-byte value into the buffer... |
| 5807 | */ |
| 5808 | |
| 5809 | *bufptr++ = 0; |
| 5810 | *bufptr++ = 1; |
| 5811 | *bufptr++ = (ipp_uchar_t)value->boolean; |
| 5812 | } |
| 5813 | break; |
| 5814 | |
| 5815 | case IPP_TAG_TEXT : |
| 5816 | case IPP_TAG_NAME : |
| 5817 | case IPP_TAG_KEYWORD : |
| 5818 | case IPP_TAG_URI : |
| 5819 | case IPP_TAG_URISCHEME : |
| 5820 | case IPP_TAG_CHARSET : |
| 5821 | case IPP_TAG_LANGUAGE : |
| 5822 | case IPP_TAG_MIMETYPE : |
| 5823 | for (i = 0, value = attr->values; |
| 5824 | i < attr->num_values; |
| 5825 | i ++, value ++) |
| 5826 | { |
| 5827 | if (i) |
| 5828 | { |
| 5829 | /* |
| 5830 | * Arrays and sets are done by sending additional |
| 5831 | * values with a zero-length name... |
| 5832 | */ |
| 5833 | |
| 5834 | DEBUG_printf(("2ippWriteIO: writing value tag=%x(%s)", |
| 5835 | attr->value_tag, |
| 5836 | ippTagString(attr->value_tag))); |
| 5837 | DEBUG_printf(("2ippWriteIO: writing name=0,\"\"")); |
| 5838 | |
| 5839 | if ((IPP_BUF_SIZE - (bufptr - buffer)) < 3) |
| 5840 | { |
| 5841 | if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| 5842 | { |
| 5843 | DEBUG_puts("1ippWriteIO: Could not write IPP " |
| 5844 | "attribute..."); |
| 5845 | _cupsBufferRelease((char *)buffer); |
| 5846 | return (IPP_STATE_ERROR); |
| 5847 | } |
| 5848 | |
| 5849 | bufptr = buffer; |
| 5850 | } |
| 5851 | |
| 5852 | *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| 5853 | *bufptr++ = 0; |
| 5854 | *bufptr++ = 0; |
| 5855 | } |
| 5856 | |
| 5857 | if (value->string.text != NULL) |
| 5858 | n = (int)strlen(value->string.text); |
| 5859 | else |
| 5860 | n = 0; |
| 5861 | |
| 5862 | if (n > (IPP_BUF_SIZE - 2)) |
| 5863 | { |
| 5864 | DEBUG_printf(("1ippWriteIO: String too long (%d)", n)); |
| 5865 | _cupsBufferRelease((char *)buffer); |
| 5866 | return (IPP_STATE_ERROR); |
| 5867 | } |
| 5868 | |
| 5869 | DEBUG_printf(("2ippWriteIO: writing string=%d,\"%s\"", n, |
| 5870 | value->string.text)); |
| 5871 | |
| 5872 | if ((int)(IPP_BUF_SIZE - (bufptr - buffer)) < (n + 2)) |
| 5873 | { |
| 5874 | if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| 5875 | { |
| 5876 | DEBUG_puts("1ippWriteIO: Could not write IPP " |
| 5877 | "attribute..."); |
| 5878 | _cupsBufferRelease((char *)buffer); |
| 5879 | return (IPP_STATE_ERROR); |
| 5880 | } |
| 5881 | |
| 5882 | bufptr = buffer; |
| 5883 | } |
| 5884 | |
| 5885 | /* |
| 5886 | * All simple strings consist of the 2-byte length and |
| 5887 | * character data without the trailing nul normally found |
| 5888 | * in C strings. Also, strings cannot be longer than IPP_MAX_LENGTH |
| 5889 | * bytes since the 2-byte length is a signed (twos-complement) |
| 5890 | * value. |
| 5891 | * |
| 5892 | * Put the 2-byte length and string characters in the buffer. |
| 5893 | */ |
| 5894 | |
| 5895 | *bufptr++ = (ipp_uchar_t)(n >> 8); |
| 5896 | *bufptr++ = (ipp_uchar_t)n; |
| 5897 | |
| 5898 | if (n > 0) |
| 5899 | { |
| 5900 | memcpy(bufptr, value->string.text, (size_t)n); |
| 5901 | bufptr += n; |
| 5902 | } |
| 5903 | } |
| 5904 | break; |
| 5905 | |
| 5906 | case IPP_TAG_DATE : |
| 5907 | for (i = 0, value = attr->values; |
| 5908 | i < attr->num_values; |
| 5909 | i ++, value ++) |
| 5910 | { |
| 5911 | if ((IPP_BUF_SIZE - (bufptr - buffer)) < 16) |
| 5912 | { |
| 5913 | if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| 5914 | { |
| 5915 | DEBUG_puts("1ippWriteIO: Could not write IPP " |
| 5916 | "attribute..."); |
| 5917 | _cupsBufferRelease((char *)buffer); |
| 5918 | return (IPP_STATE_ERROR); |
| 5919 | } |
| 5920 | |
| 5921 | bufptr = buffer; |
| 5922 | } |
| 5923 | |
| 5924 | if (i) |
| 5925 | { |
| 5926 | /* |
| 5927 | * Arrays and sets are done by sending additional |
| 5928 | * values with a zero-length name... |
| 5929 | */ |
| 5930 | |
| 5931 | *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| 5932 | *bufptr++ = 0; |
| 5933 | *bufptr++ = 0; |
| 5934 | } |
| 5935 | |
| 5936 | /* |
| 5937 | * Date values consist of a 2-byte length and an |
| 5938 | * 11-byte date/time structure defined by RFC 1903. |
| 5939 | * |
| 5940 | * Put the 2-byte length and 11-byte date/time |
| 5941 | * structure in the buffer. |
| 5942 | */ |
| 5943 | |
| 5944 | *bufptr++ = 0; |
| 5945 | *bufptr++ = 11; |
| 5946 | memcpy(bufptr, value->date, 11); |
| 5947 | bufptr += 11; |
| 5948 | } |
| 5949 | break; |
| 5950 | |
| 5951 | case IPP_TAG_RESOLUTION : |
| 5952 | for (i = 0, value = attr->values; |
| 5953 | i < attr->num_values; |
| 5954 | i ++, value ++) |
| 5955 | { |
| 5956 | if ((IPP_BUF_SIZE - (bufptr - buffer)) < 14) |
| 5957 | { |
| 5958 | if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| 5959 | { |
| 5960 | DEBUG_puts("1ippWriteIO: Could not write IPP " |
| 5961 | "attribute..."); |
| 5962 | _cupsBufferRelease((char *)buffer); |
| 5963 | return (IPP_STATE_ERROR); |
| 5964 | } |
| 5965 | |
| 5966 | bufptr = buffer; |
| 5967 | } |
| 5968 | |
| 5969 | if (i) |
| 5970 | { |
| 5971 | /* |
| 5972 | * Arrays and sets are done by sending additional |
| 5973 | * values with a zero-length name... |
| 5974 | */ |
| 5975 | |
| 5976 | *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| 5977 | *bufptr++ = 0; |
| 5978 | *bufptr++ = 0; |
| 5979 | } |
| 5980 | |
| 5981 | /* |
| 5982 | * Resolution values consist of a 2-byte length, |
| 5983 | * 4-byte horizontal resolution value, 4-byte vertical |
| 5984 | * resolution value, and a 1-byte units value. |
| 5985 | * |
| 5986 | * Put the 2-byte length and resolution value data |
| 5987 | * into the buffer. |
| 5988 | */ |
| 5989 | |
| 5990 | *bufptr++ = 0; |
| 5991 | *bufptr++ = 9; |
| 5992 | *bufptr++ = (ipp_uchar_t)(value->resolution.xres >> 24); |
| 5993 | *bufptr++ = (ipp_uchar_t)(value->resolution.xres >> 16); |
| 5994 | *bufptr++ = (ipp_uchar_t)(value->resolution.xres >> 8); |
| 5995 | *bufptr++ = (ipp_uchar_t)value->resolution.xres; |
| 5996 | *bufptr++ = (ipp_uchar_t)(value->resolution.yres >> 24); |
| 5997 | *bufptr++ = (ipp_uchar_t)(value->resolution.yres >> 16); |
| 5998 | *bufptr++ = (ipp_uchar_t)(value->resolution.yres >> 8); |
| 5999 | *bufptr++ = (ipp_uchar_t)value->resolution.yres; |
| 6000 | *bufptr++ = (ipp_uchar_t)value->resolution.units; |
| 6001 | } |
| 6002 | break; |
| 6003 | |
| 6004 | case IPP_TAG_RANGE : |
| 6005 | for (i = 0, value = attr->values; |
| 6006 | i < attr->num_values; |
| 6007 | i ++, value ++) |
| 6008 | { |
| 6009 | if ((IPP_BUF_SIZE - (bufptr - buffer)) < 13) |
| 6010 | { |
| 6011 | if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| 6012 | { |
| 6013 | DEBUG_puts("1ippWriteIO: Could not write IPP " |
| 6014 | "attribute..."); |
| 6015 | _cupsBufferRelease((char *)buffer); |
| 6016 | return (IPP_STATE_ERROR); |
| 6017 | } |
| 6018 | |
| 6019 | bufptr = buffer; |
| 6020 | } |
| 6021 | |
| 6022 | if (i) |
| 6023 | { |
| 6024 | /* |
| 6025 | * Arrays and sets are done by sending additional |
| 6026 | * values with a zero-length name... |
| 6027 | */ |
| 6028 | |
| 6029 | *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| 6030 | *bufptr++ = 0; |
| 6031 | *bufptr++ = 0; |
| 6032 | } |
| 6033 | |
| 6034 | /* |
| 6035 | * Range values consist of a 2-byte length, |
| 6036 | * 4-byte lower value, and 4-byte upper value. |
| 6037 | * |
| 6038 | * Put the 2-byte length and range value data |
| 6039 | * into the buffer. |
| 6040 | */ |
| 6041 | |
| 6042 | *bufptr++ = 0; |
| 6043 | *bufptr++ = 8; |
| 6044 | *bufptr++ = (ipp_uchar_t)(value->range.lower >> 24); |
| 6045 | *bufptr++ = (ipp_uchar_t)(value->range.lower >> 16); |
| 6046 | *bufptr++ = (ipp_uchar_t)(value->range.lower >> 8); |
| 6047 | *bufptr++ = (ipp_uchar_t)value->range.lower; |
| 6048 | *bufptr++ = (ipp_uchar_t)(value->range.upper >> 24); |
| 6049 | *bufptr++ = (ipp_uchar_t)(value->range.upper >> 16); |
| 6050 | *bufptr++ = (ipp_uchar_t)(value->range.upper >> 8); |
| 6051 | *bufptr++ = (ipp_uchar_t)value->range.upper; |
| 6052 | } |
| 6053 | break; |
| 6054 | |
| 6055 | case IPP_TAG_TEXTLANG : |
| 6056 | case IPP_TAG_NAMELANG : |
| 6057 | for (i = 0, value = attr->values; |
| 6058 | i < attr->num_values; |
| 6059 | i ++, value ++) |
| 6060 | { |
| 6061 | if (i) |
| 6062 | { |
| 6063 | /* |
| 6064 | * Arrays and sets are done by sending additional |
| 6065 | * values with a zero-length name... |
| 6066 | */ |
| 6067 | |
| 6068 | if ((IPP_BUF_SIZE - (bufptr - buffer)) < 3) |
| 6069 | { |
| 6070 | if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| 6071 | { |
| 6072 | DEBUG_puts("1ippWriteIO: Could not write IPP " |
| 6073 | "attribute..."); |
| 6074 | _cupsBufferRelease((char *)buffer); |
| 6075 | return (IPP_STATE_ERROR); |
| 6076 | } |
| 6077 | |
| 6078 | bufptr = buffer; |
| 6079 | } |
| 6080 | |
| 6081 | *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| 6082 | *bufptr++ = 0; |
| 6083 | *bufptr++ = 0; |
| 6084 | } |
| 6085 | |
| 6086 | /* |
| 6087 | * textWithLanguage and nameWithLanguage values consist |
| 6088 | * of a 2-byte length for both strings and their |
| 6089 | * individual lengths, a 2-byte length for the |
| 6090 | * character string, the character string without the |
| 6091 | * trailing nul, a 2-byte length for the character |
| 6092 | * set string, and the character set string without |
| 6093 | * the trailing nul. |
| 6094 | */ |
| 6095 | |
| 6096 | n = 4; |
| 6097 | |
| 6098 | if (value->string.language != NULL) |
| 6099 | n += (int)strlen(value->string.language); |
| 6100 | |
| 6101 | if (value->string.text != NULL) |
| 6102 | n += (int)strlen(value->string.text); |
| 6103 | |
| 6104 | if (n > (IPP_BUF_SIZE - 2)) |
| 6105 | { |
| 6106 | DEBUG_printf(("1ippWriteIO: text/nameWithLanguage value " |
| 6107 | "too long (%d)", n)); |
| 6108 | _cupsBufferRelease((char *)buffer); |
| 6109 | return (IPP_STATE_ERROR); |
| 6110 | } |
| 6111 | |
| 6112 | if ((int)(IPP_BUF_SIZE - (bufptr - buffer)) < (n + 2)) |
| 6113 | { |
| 6114 | if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| 6115 | { |
| 6116 | DEBUG_puts("1ippWriteIO: Could not write IPP " |
| 6117 | "attribute..."); |
| 6118 | _cupsBufferRelease((char *)buffer); |
| 6119 | return (IPP_STATE_ERROR); |
| 6120 | } |
| 6121 | |
| 6122 | bufptr = buffer; |
| 6123 | } |
| 6124 | |
| 6125 | /* Length of entire value */ |
| 6126 | *bufptr++ = (ipp_uchar_t)(n >> 8); |
| 6127 | *bufptr++ = (ipp_uchar_t)n; |
| 6128 | |
| 6129 | /* Length of language */ |
| 6130 | if (value->string.language != NULL) |
| 6131 | n = (int)strlen(value->string.language); |
| 6132 | else |
| 6133 | n = 0; |
| 6134 | |
| 6135 | *bufptr++ = (ipp_uchar_t)(n >> 8); |
| 6136 | *bufptr++ = (ipp_uchar_t)n; |
| 6137 | |
| 6138 | /* Language */ |
| 6139 | if (n > 0) |
| 6140 | { |
| 6141 | memcpy(bufptr, value->string.language, (size_t)n); |
| 6142 | bufptr += n; |
| 6143 | } |
| 6144 | |
| 6145 | /* Length of text */ |
| 6146 | if (value->string.text != NULL) |
| 6147 | n = (int)strlen(value->string.text); |
| 6148 | else |
| 6149 | n = 0; |
| 6150 | |
| 6151 | *bufptr++ = (ipp_uchar_t)(n >> 8); |
| 6152 | *bufptr++ = (ipp_uchar_t)n; |
| 6153 | |
| 6154 | /* Text */ |
| 6155 | if (n > 0) |
| 6156 | { |
| 6157 | memcpy(bufptr, value->string.text, (size_t)n); |
| 6158 | bufptr += n; |
| 6159 | } |
| 6160 | } |
| 6161 | break; |
| 6162 | |
| 6163 | case IPP_TAG_BEGIN_COLLECTION : |
| 6164 | for (i = 0, value = attr->values; |
| 6165 | i < attr->num_values; |
| 6166 | i ++, value ++) |
| 6167 | { |
| 6168 | /* |
| 6169 | * Collections are written with the begin-collection |
| 6170 | * tag first with a value of 0 length, followed by the |
| 6171 | * attributes in the collection, then the end-collection |
| 6172 | * value... |
| 6173 | */ |
| 6174 | |
| 6175 | if ((IPP_BUF_SIZE - (bufptr - buffer)) < 5) |
| 6176 | { |
| 6177 | if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| 6178 | { |
| 6179 | DEBUG_puts("1ippWriteIO: Could not write IPP " |
| 6180 | "attribute..."); |
| 6181 | _cupsBufferRelease((char *)buffer); |
| 6182 | return (IPP_STATE_ERROR); |
| 6183 | } |
| 6184 | |
| 6185 | bufptr = buffer; |
| 6186 | } |
| 6187 | |
| 6188 | if (i) |
| 6189 | { |
| 6190 | /* |
| 6191 | * Arrays and sets are done by sending additional |
| 6192 | * values with a zero-length name... |
| 6193 | */ |
| 6194 | |
| 6195 | *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| 6196 | *bufptr++ = 0; |
| 6197 | *bufptr++ = 0; |
| 6198 | } |
| 6199 | |
| 6200 | /* |
| 6201 | * Write a data length of 0 and flush the buffer... |
| 6202 | */ |
| 6203 | |
| 6204 | *bufptr++ = 0; |
| 6205 | *bufptr++ = 0; |
| 6206 | |
| 6207 | if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| 6208 | { |
| 6209 | DEBUG_puts("1ippWriteIO: Could not write IPP " |
| 6210 | "attribute..."); |
| 6211 | _cupsBufferRelease((char *)buffer); |
| 6212 | return (IPP_STATE_ERROR); |
| 6213 | } |
| 6214 | |
| 6215 | bufptr = buffer; |
| 6216 | |
| 6217 | /* |
| 6218 | * Then write the collection attribute... |
| 6219 | */ |
| 6220 | |
| 6221 | value->collection->state = IPP_STATE_IDLE; |
| 6222 | |
| 6223 | if (ippWriteIO(dst, cb, 1, ipp, |
| 6224 | value->collection) == IPP_STATE_ERROR) |
| 6225 | { |
| 6226 | DEBUG_puts("1ippWriteIO: Unable to write collection value"); |
| 6227 | _cupsBufferRelease((char *)buffer); |
| 6228 | return (IPP_STATE_ERROR); |
| 6229 | } |
| 6230 | } |
| 6231 | break; |
| 6232 | |
| 6233 | default : |
| 6234 | for (i = 0, value = attr->values; |
| 6235 | i < attr->num_values; |
| 6236 | i ++, value ++) |
| 6237 | { |
| 6238 | if (i) |
| 6239 | { |
| 6240 | /* |
| 6241 | * Arrays and sets are done by sending additional |
| 6242 | * values with a zero-length name... |
| 6243 | */ |
| 6244 | |
| 6245 | if ((IPP_BUF_SIZE - (bufptr - buffer)) < 3) |
| 6246 | { |
| 6247 | if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| 6248 | { |
| 6249 | DEBUG_puts("1ippWriteIO: Could not write IPP " |
| 6250 | "attribute..."); |
| 6251 | _cupsBufferRelease((char *)buffer); |
| 6252 | return (IPP_STATE_ERROR); |
| 6253 | } |
| 6254 | |
| 6255 | bufptr = buffer; |
| 6256 | } |
| 6257 | |
| 6258 | *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| 6259 | *bufptr++ = 0; |
| 6260 | *bufptr++ = 0; |
| 6261 | } |
| 6262 | |
| 6263 | /* |
| 6264 | * An unknown value might some new value that a |
| 6265 | * vendor has come up with. It consists of a |
| 6266 | * 2-byte length and the bytes in the unknown |
| 6267 | * value buffer. |
| 6268 | */ |
| 6269 | |
| 6270 | n = value->unknown.length; |
| 6271 | |
| 6272 | if (n > (IPP_BUF_SIZE - 2)) |
| 6273 | { |
| 6274 | DEBUG_printf(("1ippWriteIO: Data length too long (%d)", |
| 6275 | n)); |
| 6276 | _cupsBufferRelease((char *)buffer); |
| 6277 | return (IPP_STATE_ERROR); |
| 6278 | } |
| 6279 | |
| 6280 | if ((int)(IPP_BUF_SIZE - (bufptr - buffer)) < (n + 2)) |
| 6281 | { |
| 6282 | if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| 6283 | { |
| 6284 | DEBUG_puts("1ippWriteIO: Could not write IPP " |
| 6285 | "attribute..."); |
| 6286 | _cupsBufferRelease((char *)buffer); |
| 6287 | return (IPP_STATE_ERROR); |
| 6288 | } |
| 6289 | |
| 6290 | bufptr = buffer; |
| 6291 | } |
| 6292 | |
| 6293 | /* Length of unknown value */ |
| 6294 | *bufptr++ = (ipp_uchar_t)(n >> 8); |
| 6295 | *bufptr++ = (ipp_uchar_t)n; |
| 6296 | |
| 6297 | /* Value */ |
| 6298 | if (n > 0) |
| 6299 | { |
| 6300 | memcpy(bufptr, value->unknown.data, (size_t)n); |
| 6301 | bufptr += n; |
| 6302 | } |
| 6303 | } |
| 6304 | break; |
| 6305 | } |
| 6306 | |
| 6307 | /* |
| 6308 | * Write the data out... |
| 6309 | */ |
| 6310 | |
| 6311 | if (bufptr > buffer) |
| 6312 | { |
| 6313 | if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| 6314 | { |
| 6315 | DEBUG_puts("1ippWriteIO: Could not write IPP attribute..."); |
| 6316 | _cupsBufferRelease((char *)buffer); |
| 6317 | return (IPP_STATE_ERROR); |
| 6318 | } |
| 6319 | |
| 6320 | DEBUG_printf(("2ippWriteIO: wrote %d bytes", |
| 6321 | (int)(bufptr - buffer))); |
| 6322 | } |
| 6323 | |
| 6324 | /* |
| 6325 | * If blocking is disabled and we aren't at the end of the attribute |
| 6326 | * list, stop here... |
| 6327 | */ |
| 6328 | |
| 6329 | if (!blocking && ipp->current) |
| 6330 | break; |
| 6331 | } |
| 6332 | |
| 6333 | if (ipp->current == NULL) |
| 6334 | { |
| 6335 | /* |
| 6336 | * Done with all of the attributes; add the end-of-attributes |
| 6337 | * tag or end-collection attribute... |
| 6338 | */ |
| 6339 | |
| 6340 | if (parent == NULL) |
| 6341 | { |
| 6342 | buffer[0] = IPP_TAG_END; |
| 6343 | n = 1; |
| 6344 | } |
| 6345 | else |
| 6346 | { |
| 6347 | buffer[0] = IPP_TAG_END_COLLECTION; |
| 6348 | buffer[1] = 0; /* empty name */ |
| 6349 | buffer[2] = 0; |
| 6350 | buffer[3] = 0; /* empty value */ |
| 6351 | buffer[4] = 0; |
| 6352 | n = 5; |
| 6353 | } |
| 6354 | |
| 6355 | if ((*cb)(dst, buffer, (size_t)n) < 0) |
| 6356 | { |
| 6357 | DEBUG_puts("1ippWriteIO: Could not write IPP end-tag..."); |
| 6358 | _cupsBufferRelease((char *)buffer); |
| 6359 | return (IPP_STATE_ERROR); |
| 6360 | } |
| 6361 | |
| 6362 | ipp->state = IPP_STATE_DATA; |
| 6363 | } |
| 6364 | break; |
| 6365 | |
| 6366 | case IPP_STATE_DATA : |
| 6367 | break; |
| 6368 | |
| 6369 | default : |
| 6370 | break; /* anti-compiler-warning-code */ |
| 6371 | } |
| 6372 | |
| 6373 | _cupsBufferRelease((char *)buffer); |
| 6374 | |
| 6375 | return (ipp->state); |
| 6376 | } |
| 6377 | |
| 6378 | |
| 6379 | /* |
| 6380 | * 'ipp_add_attr()' - Add a new attribute to the message. |
| 6381 | */ |
| 6382 | |
| 6383 | static ipp_attribute_t * /* O - New attribute */ |
| 6384 | ipp_add_attr(ipp_t *ipp, /* I - IPP message */ |
| 6385 | const char *name, /* I - Attribute name or NULL */ |
| 6386 | ipp_tag_t group_tag, /* I - Group tag or IPP_TAG_ZERO */ |
| 6387 | ipp_tag_t value_tag, /* I - Value tag or IPP_TAG_ZERO */ |
| 6388 | int num_values) /* I - Number of values */ |
| 6389 | { |
| 6390 | int alloc_values; /* Number of values to allocate */ |
| 6391 | ipp_attribute_t *attr; /* New attribute */ |
| 6392 | |
| 6393 | |
| 6394 | DEBUG_printf(("4ipp_add_attr(ipp=%p, name=\"%s\", group_tag=0x%x, value_tag=0x%x, num_values=%d)", (void *)ipp, name, group_tag, value_tag, num_values)); |
| 6395 | |
| 6396 | /* |
| 6397 | * Range check input... |
| 6398 | */ |
| 6399 | |
| 6400 | if (!ipp || num_values < 0) |
| 6401 | return (NULL); |
| 6402 | |
| 6403 | /* |
| 6404 | * Allocate memory, rounding the allocation up as needed... |
| 6405 | */ |
| 6406 | |
| 6407 | if (num_values <= 1) |
| 6408 | alloc_values = 1; |
| 6409 | else |
| 6410 | alloc_values = (num_values + IPP_MAX_VALUES - 1) & ~(IPP_MAX_VALUES - 1); |
| 6411 | |
| 6412 | attr = calloc(sizeof(ipp_attribute_t) + |
| 6413 | (size_t)(alloc_values - 1) * sizeof(_ipp_value_t), 1); |
| 6414 | |
| 6415 | if (attr) |
| 6416 | { |
| 6417 | /* |
| 6418 | * Initialize attribute... |
| 6419 | */ |
| 6420 | |
| 6421 | DEBUG_printf(("4debug_alloc: %p %s %s%s (%d values)", (void *)attr, name, num_values > 1 ? "1setOf " : "", ippTagString(value_tag), num_values)); |
| 6422 | |
| 6423 | if (name) |
| 6424 | attr->name = _cupsStrAlloc(name); |
| 6425 | |
| 6426 | attr->group_tag = group_tag; |
| 6427 | attr->value_tag = value_tag; |
| 6428 | attr->num_values = num_values; |
| 6429 | |
| 6430 | /* |
| 6431 | * Add it to the end of the linked list... |
| 6432 | */ |
| 6433 | |
| 6434 | if (ipp->last) |
| 6435 | ipp->last->next = attr; |
| 6436 | else |
| 6437 | ipp->attrs = attr; |
| 6438 | |
| 6439 | ipp->prev = ipp->last; |
| 6440 | ipp->last = ipp->current = attr; |
| 6441 | } |
| 6442 | |
| 6443 | DEBUG_printf(("5ipp_add_attr: Returning %p", (void *)attr)); |
| 6444 | |
| 6445 | return (attr); |
| 6446 | } |
| 6447 | |
| 6448 | |
| 6449 | /* |
| 6450 | * 'ipp_free_values()' - Free attribute values. |
| 6451 | */ |
| 6452 | |
| 6453 | static void |
| 6454 | ipp_free_values(ipp_attribute_t *attr, /* I - Attribute to free values from */ |
| 6455 | int element,/* I - First value to free */ |
| 6456 | int count) /* I - Number of values to free */ |
| 6457 | { |
| 6458 | int i; /* Looping var */ |
| 6459 | _ipp_value_t *value; /* Current value */ |
| 6460 | |
| 6461 | |
| 6462 | DEBUG_printf(("4ipp_free_values(attr=%p, element=%d, count=%d)", (void *)attr, element, count)); |
| 6463 | |
| 6464 | if (!(attr->value_tag & IPP_TAG_CUPS_CONST)) |
| 6465 | { |
| 6466 | /* |
| 6467 | * Free values as needed... |
| 6468 | */ |
| 6469 | |
| 6470 | switch (attr->value_tag) |
| 6471 | { |
| 6472 | case IPP_TAG_TEXTLANG : |
| 6473 | case IPP_TAG_NAMELANG : |
| 6474 | if (element == 0 && count == attr->num_values && |
| 6475 | attr->values[0].string.language) |
| 6476 | { |
| 6477 | _cupsStrFree(attr->values[0].string.language); |
| 6478 | attr->values[0].string.language = NULL; |
| 6479 | } |
| 6480 | /* Fall through to other string values */ |
| 6481 | |
| 6482 | case IPP_TAG_TEXT : |
| 6483 | case IPP_TAG_NAME : |
| 6484 | case IPP_TAG_RESERVED_STRING : |
| 6485 | case IPP_TAG_KEYWORD : |
| 6486 | case IPP_TAG_URI : |
| 6487 | case IPP_TAG_URISCHEME : |
| 6488 | case IPP_TAG_CHARSET : |
| 6489 | case IPP_TAG_LANGUAGE : |
| 6490 | case IPP_TAG_MIMETYPE : |
| 6491 | for (i = count, value = attr->values + element; |
| 6492 | i > 0; |
| 6493 | i --, value ++) |
| 6494 | { |
| 6495 | _cupsStrFree(value->string.text); |
| 6496 | value->string.text = NULL; |
| 6497 | } |
| 6498 | break; |
| 6499 | |
| 6500 | case IPP_TAG_DEFAULT : |
| 6501 | case IPP_TAG_UNKNOWN : |
| 6502 | case IPP_TAG_NOVALUE : |
| 6503 | case IPP_TAG_NOTSETTABLE : |
| 6504 | case IPP_TAG_DELETEATTR : |
| 6505 | case IPP_TAG_ADMINDEFINE : |
| 6506 | case IPP_TAG_INTEGER : |
| 6507 | case IPP_TAG_ENUM : |
| 6508 | case IPP_TAG_BOOLEAN : |
| 6509 | case IPP_TAG_DATE : |
| 6510 | case IPP_TAG_RESOLUTION : |
| 6511 | case IPP_TAG_RANGE : |
| 6512 | break; |
| 6513 | |
| 6514 | case IPP_TAG_BEGIN_COLLECTION : |
| 6515 | for (i = count, value = attr->values + element; |
| 6516 | i > 0; |
| 6517 | i --, value ++) |
| 6518 | { |
| 6519 | ippDelete(value->collection); |
| 6520 | value->collection = NULL; |
| 6521 | } |
| 6522 | break; |
| 6523 | |
| 6524 | case IPP_TAG_STRING : |
| 6525 | default : |
| 6526 | for (i = count, value = attr->values + element; |
| 6527 | i > 0; |
| 6528 | i --, value ++) |
| 6529 | { |
| 6530 | if (value->unknown.data) |
| 6531 | { |
| 6532 | free(value->unknown.data); |
| 6533 | value->unknown.data = NULL; |
| 6534 | } |
| 6535 | } |
| 6536 | break; |
| 6537 | } |
| 6538 | } |
| 6539 | |
| 6540 | /* |
| 6541 | * If we are not freeing values from the end, move the remaining values up... |
| 6542 | */ |
| 6543 | |
| 6544 | if ((element + count) < attr->num_values) |
| 6545 | memmove(attr->values + element, attr->values + element + count, |
| 6546 | (size_t)(attr->num_values - count - element) * sizeof(_ipp_value_t)); |
| 6547 | |
| 6548 | attr->num_values -= count; |
| 6549 | } |
| 6550 | |
| 6551 | |
| 6552 | /* |
| 6553 | * 'ipp_get_code()' - Convert a C locale/charset name into an IPP language/charset code. |
| 6554 | * |
| 6555 | * This typically converts strings of the form "ll_CC", "ll-REGION", and "CHARSET_NUMBER" |
| 6556 | * to "ll-cc", "ll-region", and "charset-number", respectively. |
| 6557 | */ |
| 6558 | |
| 6559 | static char * /* O - Language code string */ |
| 6560 | ipp_get_code(const char *value, /* I - Locale/charset string */ |
| 6561 | char *buffer, /* I - String buffer */ |
| 6562 | size_t bufsize) /* I - Size of string buffer */ |
| 6563 | { |
| 6564 | char *bufptr, /* Pointer into buffer */ |
| 6565 | *bufend; /* End of buffer */ |
| 6566 | |
| 6567 | |
| 6568 | /* |
| 6569 | * Convert values to lowercase and change _ to - as needed... |
| 6570 | */ |
| 6571 | |
| 6572 | for (bufptr = buffer, bufend = buffer + bufsize - 1; |
| 6573 | *value && bufptr < bufend; |
| 6574 | value ++) |
| 6575 | if (*value == '_') |
| 6576 | *bufptr++ = '-'; |
| 6577 | else |
| 6578 | *bufptr++ = (char)_cups_tolower(*value); |
| 6579 | |
| 6580 | *bufptr = '\0'; |
| 6581 | |
| 6582 | /* |
| 6583 | * Return the converted string... |
| 6584 | */ |
| 6585 | |
| 6586 | return (buffer); |
| 6587 | } |
| 6588 | |
| 6589 | |
| 6590 | /* |
| 6591 | * 'ipp_lang_code()' - Convert a C locale name into an IPP language code. |
| 6592 | * |
| 6593 | * This typically converts strings of the form "ll_CC" and "ll-REGION" to "ll-cc" and |
| 6594 | * "ll-region", respectively. It also converts the "C" (POSIX) locale to "en". |
| 6595 | */ |
| 6596 | |
| 6597 | static char * /* O - Language code string */ |
| 6598 | ipp_lang_code(const char *locale, /* I - Locale string */ |
| 6599 | char *buffer, /* I - String buffer */ |
| 6600 | size_t bufsize) /* I - Size of string buffer */ |
| 6601 | { |
| 6602 | /* |
| 6603 | * Map POSIX ("C") locale to generic English, otherwise convert the locale string as-is. |
| 6604 | */ |
| 6605 | |
| 6606 | if (!_cups_strcasecmp(locale, "c")) |
| 6607 | { |
| 6608 | strlcpy(buffer, "en", bufsize); |
| 6609 | return (buffer); |
| 6610 | } |
| 6611 | else |
| 6612 | return (ipp_get_code(locale, buffer, bufsize)); |
| 6613 | } |
| 6614 | |
| 6615 | |
| 6616 | /* |
| 6617 | * 'ipp_length()' - Compute the length of an IPP message or collection value. |
| 6618 | */ |
| 6619 | |
| 6620 | static size_t /* O - Size of IPP message */ |
| 6621 | ipp_length(ipp_t *ipp, /* I - IPP message or collection */ |
| 6622 | int collection) /* I - 1 if a collection, 0 otherwise */ |
| 6623 | { |
| 6624 | int i; /* Looping var */ |
| 6625 | size_t bytes; /* Number of bytes */ |
| 6626 | ipp_attribute_t *attr; /* Current attribute */ |
| 6627 | ipp_tag_t group; /* Current group */ |
| 6628 | _ipp_value_t *value; /* Current value */ |
| 6629 | |
| 6630 | |
| 6631 | DEBUG_printf(("3ipp_length(ipp=%p, collection=%d)", (void *)ipp, collection)); |
| 6632 | |
| 6633 | if (!ipp) |
| 6634 | { |
| 6635 | DEBUG_puts("4ipp_length: Returning 0 bytes"); |
| 6636 | return (0); |
| 6637 | } |
| 6638 | |
| 6639 | /* |
| 6640 | * Start with 8 bytes for the IPP message header... |
| 6641 | */ |
| 6642 | |
| 6643 | bytes = collection ? 0 : 8; |
| 6644 | |
| 6645 | /* |
| 6646 | * Then add the lengths of each attribute... |
| 6647 | */ |
| 6648 | |
| 6649 | group = IPP_TAG_ZERO; |
| 6650 | |
| 6651 | for (attr = ipp->attrs; attr != NULL; attr = attr->next) |
| 6652 | { |
| 6653 | if (attr->group_tag != group && !collection) |
| 6654 | { |
| 6655 | group = attr->group_tag; |
| 6656 | if (group == IPP_TAG_ZERO) |
| 6657 | continue; |
| 6658 | |
| 6659 | bytes ++; /* Group tag */ |
| 6660 | } |
| 6661 | |
| 6662 | if (!attr->name) |
| 6663 | continue; |
| 6664 | |
| 6665 | DEBUG_printf(("5ipp_length: attr->name=\"%s\", attr->num_values=%d, " |
| 6666 | "bytes=" CUPS_LLFMT, attr->name, attr->num_values, CUPS_LLCAST bytes)); |
| 6667 | |
| 6668 | if ((attr->value_tag & ~IPP_TAG_CUPS_CONST) < IPP_TAG_EXTENSION) |
| 6669 | bytes += (size_t)attr->num_values;/* Value tag for each value */ |
| 6670 | else |
| 6671 | bytes += (size_t)(5 * attr->num_values); |
| 6672 | /* Value tag for each value */ |
| 6673 | bytes += (size_t)(2 * attr->num_values); |
| 6674 | /* Name lengths */ |
| 6675 | bytes += strlen(attr->name); /* Name */ |
| 6676 | bytes += (size_t)(2 * attr->num_values); |
| 6677 | /* Value lengths */ |
| 6678 | |
| 6679 | if (collection) |
| 6680 | bytes += 5; /* Add membername overhead */ |
| 6681 | |
| 6682 | switch (attr->value_tag & ~IPP_TAG_CUPS_CONST) |
| 6683 | { |
| 6684 | case IPP_TAG_UNSUPPORTED_VALUE : |
| 6685 | case IPP_TAG_DEFAULT : |
| 6686 | case IPP_TAG_UNKNOWN : |
| 6687 | case IPP_TAG_NOVALUE : |
| 6688 | case IPP_TAG_NOTSETTABLE : |
| 6689 | case IPP_TAG_DELETEATTR : |
| 6690 | case IPP_TAG_ADMINDEFINE : |
| 6691 | break; |
| 6692 | |
| 6693 | case IPP_TAG_INTEGER : |
| 6694 | case IPP_TAG_ENUM : |
| 6695 | bytes += (size_t)(4 * attr->num_values); |
| 6696 | break; |
| 6697 | |
| 6698 | case IPP_TAG_BOOLEAN : |
| 6699 | bytes += (size_t)attr->num_values; |
| 6700 | break; |
| 6701 | |
| 6702 | case IPP_TAG_TEXT : |
| 6703 | case IPP_TAG_NAME : |
| 6704 | case IPP_TAG_KEYWORD : |
| 6705 | case IPP_TAG_URI : |
| 6706 | case IPP_TAG_URISCHEME : |
| 6707 | case IPP_TAG_CHARSET : |
| 6708 | case IPP_TAG_LANGUAGE : |
| 6709 | case IPP_TAG_MIMETYPE : |
| 6710 | for (i = 0, value = attr->values; |
| 6711 | i < attr->num_values; |
| 6712 | i ++, value ++) |
| 6713 | if (value->string.text) |
| 6714 | bytes += strlen(value->string.text); |
| 6715 | break; |
| 6716 | |
| 6717 | case IPP_TAG_DATE : |
| 6718 | bytes += (size_t)(11 * attr->num_values); |
| 6719 | break; |
| 6720 | |
| 6721 | case IPP_TAG_RESOLUTION : |
| 6722 | bytes += (size_t)(9 * attr->num_values); |
| 6723 | break; |
| 6724 | |
| 6725 | case IPP_TAG_RANGE : |
| 6726 | bytes += (size_t)(8 * attr->num_values); |
| 6727 | break; |
| 6728 | |
| 6729 | case IPP_TAG_TEXTLANG : |
| 6730 | case IPP_TAG_NAMELANG : |
| 6731 | bytes += (size_t)(4 * attr->num_values); |
| 6732 | /* Charset + text length */ |
| 6733 | |
| 6734 | for (i = 0, value = attr->values; |
| 6735 | i < attr->num_values; |
| 6736 | i ++, value ++) |
| 6737 | { |
| 6738 | if (value->string.language) |
| 6739 | bytes += strlen(value->string.language); |
| 6740 | |
| 6741 | if (value->string.text) |
| 6742 | bytes += strlen(value->string.text); |
| 6743 | } |
| 6744 | break; |
| 6745 | |
| 6746 | case IPP_TAG_BEGIN_COLLECTION : |
| 6747 | for (i = 0, value = attr->values; |
| 6748 | i < attr->num_values; |
| 6749 | i ++, value ++) |
| 6750 | bytes += ipp_length(value->collection, 1); |
| 6751 | break; |
| 6752 | |
| 6753 | default : |
| 6754 | for (i = 0, value = attr->values; |
| 6755 | i < attr->num_values; |
| 6756 | i ++, value ++) |
| 6757 | bytes += (size_t)value->unknown.length; |
| 6758 | break; |
| 6759 | } |
| 6760 | } |
| 6761 | |
| 6762 | /* |
| 6763 | * Finally, add 1 byte for the "end of attributes" tag or 5 bytes |
| 6764 | * for the "end of collection" tag and return... |
| 6765 | */ |
| 6766 | |
| 6767 | if (collection) |
| 6768 | bytes += 5; |
| 6769 | else |
| 6770 | bytes ++; |
| 6771 | |
| 6772 | DEBUG_printf(("4ipp_length: Returning " CUPS_LLFMT " bytes", CUPS_LLCAST bytes)); |
| 6773 | |
| 6774 | return (bytes); |
| 6775 | } |
| 6776 | |
| 6777 | |
| 6778 | /* |
| 6779 | * 'ipp_read_http()' - Semi-blocking read on a HTTP connection... |
| 6780 | */ |
| 6781 | |
| 6782 | static ssize_t /* O - Number of bytes read */ |
| 6783 | ipp_read_http(http_t *http, /* I - Client connection */ |
| 6784 | ipp_uchar_t *buffer, /* O - Buffer for data */ |
| 6785 | size_t length) /* I - Total length */ |
| 6786 | { |
| 6787 | ssize_t tbytes, /* Total bytes read */ |
| 6788 | bytes; /* Bytes read this pass */ |
| 6789 | |
| 6790 | |
| 6791 | DEBUG_printf(("7ipp_read_http(http=%p, buffer=%p, length=%d)", (void *)http, (void *)buffer, (int)length)); |
| 6792 | |
| 6793 | /* |
| 6794 | * Loop until all bytes are read... |
| 6795 | */ |
| 6796 | |
| 6797 | for (tbytes = 0, bytes = 0; |
| 6798 | tbytes < (int)length; |
| 6799 | tbytes += bytes, buffer += bytes) |
| 6800 | { |
| 6801 | DEBUG_printf(("9ipp_read_http: tbytes=" CUPS_LLFMT ", http->state=%d", CUPS_LLCAST tbytes, http->state)); |
| 6802 | |
| 6803 | if (http->state == HTTP_STATE_WAITING) |
| 6804 | break; |
| 6805 | |
| 6806 | if (http->used == 0 && !http->blocking) |
| 6807 | { |
| 6808 | /* |
| 6809 | * Wait up to 10 seconds for more data on non-blocking sockets... |
| 6810 | */ |
| 6811 | |
| 6812 | if (!httpWait(http, 10000)) |
| 6813 | { |
| 6814 | /* |
| 6815 | * Signal no data... |
| 6816 | */ |
| 6817 | |
| 6818 | bytes = -1; |
| 6819 | break; |
| 6820 | } |
| 6821 | } |
| 6822 | else if (http->used == 0 && http->timeout_value > 0) |
| 6823 | { |
| 6824 | /* |
| 6825 | * Wait up to timeout seconds for more data on blocking sockets... |
| 6826 | */ |
| 6827 | |
| 6828 | if (!httpWait(http, (int)(1000 * http->timeout_value))) |
| 6829 | { |
| 6830 | /* |
| 6831 | * Signal no data... |
| 6832 | */ |
| 6833 | |
| 6834 | bytes = -1; |
| 6835 | break; |
| 6836 | } |
| 6837 | } |
| 6838 | |
| 6839 | if ((bytes = httpRead2(http, (char *)buffer, length - (size_t)tbytes)) < 0) |
| 6840 | { |
| 6841 | #ifdef WIN32 |
| 6842 | break; |
| 6843 | #else |
| 6844 | if (errno != EAGAIN && errno != EINTR) |
| 6845 | break; |
| 6846 | |
| 6847 | bytes = 0; |
| 6848 | #endif /* WIN32 */ |
| 6849 | } |
| 6850 | else if (bytes == 0) |
| 6851 | break; |
| 6852 | } |
| 6853 | |
| 6854 | /* |
| 6855 | * Return the number of bytes read... |
| 6856 | */ |
| 6857 | |
| 6858 | if (tbytes == 0 && bytes < 0) |
| 6859 | tbytes = -1; |
| 6860 | |
| 6861 | DEBUG_printf(("8ipp_read_http: Returning " CUPS_LLFMT " bytes", CUPS_LLCAST tbytes)); |
| 6862 | |
| 6863 | return (tbytes); |
| 6864 | } |
| 6865 | |
| 6866 | |
| 6867 | /* |
| 6868 | * 'ipp_read_file()' - Read IPP data from a file. |
| 6869 | */ |
| 6870 | |
| 6871 | static ssize_t /* O - Number of bytes read */ |
| 6872 | ipp_read_file(int *fd, /* I - File descriptor */ |
| 6873 | ipp_uchar_t *buffer, /* O - Read buffer */ |
| 6874 | size_t length) /* I - Number of bytes to read */ |
| 6875 | { |
| 6876 | #ifdef WIN32 |
| 6877 | return ((ssize_t)read(*fd, buffer, (unsigned)length)); |
| 6878 | #else |
| 6879 | return (read(*fd, buffer, length)); |
| 6880 | #endif /* WIN32 */ |
| 6881 | } |
| 6882 | |
| 6883 | |
| 6884 | /* |
| 6885 | * 'ipp_set_error()' - Set a formatted, localized error string. |
| 6886 | */ |
| 6887 | |
| 6888 | static void |
| 6889 | ipp_set_error(ipp_status_t status, /* I - Status code */ |
| 6890 | const char *format, /* I - Printf-style error string */ |
| 6891 | ...) /* I - Additional arguments as needed */ |
| 6892 | { |
| 6893 | va_list ap; /* Pointer to additional args */ |
| 6894 | char buffer[2048]; /* Message buffer */ |
| 6895 | cups_lang_t *lang = cupsLangDefault(); |
| 6896 | /* Current language */ |
| 6897 | |
| 6898 | |
| 6899 | va_start(ap, format); |
| 6900 | vsnprintf(buffer, sizeof(buffer), _cupsLangString(lang, format), ap); |
| 6901 | va_end(ap); |
| 6902 | |
| 6903 | _cupsSetError(status, buffer, 0); |
| 6904 | } |
| 6905 | |
| 6906 | |
| 6907 | /* |
| 6908 | * 'ipp_set_value()' - Get the value element from an attribute, expanding it as |
| 6909 | * needed. |
| 6910 | */ |
| 6911 | |
| 6912 | static _ipp_value_t * /* O - IPP value element or NULL on error */ |
| 6913 | ipp_set_value(ipp_t *ipp, /* IO - IPP message */ |
| 6914 | ipp_attribute_t **attr, /* IO - IPP attribute */ |
| 6915 | int element) /* I - Value number (0-based) */ |
| 6916 | { |
| 6917 | ipp_attribute_t *temp, /* New attribute pointer */ |
| 6918 | *current, /* Current attribute in list */ |
| 6919 | *prev; /* Previous attribute in list */ |
| 6920 | int alloc_values; /* Allocated values */ |
| 6921 | |
| 6922 | |
| 6923 | /* |
| 6924 | * If we are setting an existing value element, return it... |
| 6925 | */ |
| 6926 | |
| 6927 | temp = *attr; |
| 6928 | |
| 6929 | if (temp->num_values <= 1) |
| 6930 | alloc_values = 1; |
| 6931 | else |
| 6932 | alloc_values = (temp->num_values + IPP_MAX_VALUES - 1) & |
| 6933 | ~(IPP_MAX_VALUES - 1); |
| 6934 | |
| 6935 | if (element < alloc_values) |
| 6936 | { |
| 6937 | if (element >= temp->num_values) |
| 6938 | temp->num_values = element + 1; |
| 6939 | |
| 6940 | return (temp->values + element); |
| 6941 | } |
| 6942 | |
| 6943 | /* |
| 6944 | * Otherwise re-allocate the attribute - we allocate in groups of IPP_MAX_VALUE |
| 6945 | * values when num_values > 1. |
| 6946 | */ |
| 6947 | |
| 6948 | if (alloc_values < IPP_MAX_VALUES) |
| 6949 | alloc_values = IPP_MAX_VALUES; |
| 6950 | else |
| 6951 | alloc_values += IPP_MAX_VALUES; |
| 6952 | |
| 6953 | DEBUG_printf(("4ipp_set_value: Reallocating for up to %d values.", |
| 6954 | alloc_values)); |
| 6955 | |
| 6956 | /* |
| 6957 | * Reallocate memory... |
| 6958 | */ |
| 6959 | |
| 6960 | if ((temp = realloc(temp, sizeof(ipp_attribute_t) + (size_t)(alloc_values - 1) * sizeof(_ipp_value_t))) == NULL) |
| 6961 | { |
| 6962 | _cupsSetHTTPError(HTTP_STATUS_ERROR); |
| 6963 | DEBUG_puts("4ipp_set_value: Unable to resize attribute."); |
| 6964 | return (NULL); |
| 6965 | } |
| 6966 | |
| 6967 | /* |
| 6968 | * Zero the new memory... |
| 6969 | */ |
| 6970 | |
| 6971 | memset(temp->values + temp->num_values, 0, (size_t)(alloc_values - temp->num_values) * sizeof(_ipp_value_t)); |
| 6972 | |
| 6973 | if (temp != *attr) |
| 6974 | { |
| 6975 | /* |
| 6976 | * Reset pointers in the list... |
| 6977 | */ |
| 6978 | |
| 6979 | DEBUG_printf(("4debug_free: %p %s", (void *)*attr, temp->name)); |
| 6980 | DEBUG_printf(("4debug_alloc: %p %s %s%s (%d)", (void *)temp, temp->name, temp->num_values > 1 ? "1setOf " : "", ippTagString(temp->value_tag), temp->num_values)); |
| 6981 | |
| 6982 | if (ipp->current == *attr && ipp->prev) |
| 6983 | { |
| 6984 | /* |
| 6985 | * Use current "previous" pointer... |
| 6986 | */ |
| 6987 | |
| 6988 | prev = ipp->prev; |
| 6989 | } |
| 6990 | else |
| 6991 | { |
| 6992 | /* |
| 6993 | * Find this attribute in the linked list... |
| 6994 | */ |
| 6995 | |
| 6996 | for (prev = NULL, current = ipp->attrs; |
| 6997 | current && current != *attr; |
| 6998 | prev = current, current = current->next); |
| 6999 | |
| 7000 | if (!current) |
| 7001 | { |
| 7002 | /* |
| 7003 | * This is a serious error! |
| 7004 | */ |
| 7005 | |
| 7006 | *attr = temp; |
| 7007 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| 7008 | _("IPP attribute is not a member of the message."), 1); |
| 7009 | DEBUG_puts("4ipp_set_value: Unable to find attribute in message."); |
| 7010 | return (NULL); |
| 7011 | } |
| 7012 | } |
| 7013 | |
| 7014 | if (prev) |
| 7015 | prev->next = temp; |
| 7016 | else |
| 7017 | ipp->attrs = temp; |
| 7018 | |
| 7019 | ipp->current = temp; |
| 7020 | ipp->prev = prev; |
| 7021 | |
| 7022 | if (ipp->last == *attr) |
| 7023 | ipp->last = temp; |
| 7024 | |
| 7025 | *attr = temp; |
| 7026 | } |
| 7027 | |
| 7028 | /* |
| 7029 | * Return the value element... |
| 7030 | */ |
| 7031 | |
| 7032 | if (element >= temp->num_values) |
| 7033 | temp->num_values = element + 1; |
| 7034 | |
| 7035 | return (temp->values + element); |
| 7036 | } |
| 7037 | |
| 7038 | |
| 7039 | /* |
| 7040 | * 'ipp_write_file()' - Write IPP data to a file. |
| 7041 | */ |
| 7042 | |
| 7043 | static ssize_t /* O - Number of bytes written */ |
| 7044 | ipp_write_file(int *fd, /* I - File descriptor */ |
| 7045 | ipp_uchar_t *buffer, /* I - Data to write */ |
| 7046 | size_t length) /* I - Number of bytes to write */ |
| 7047 | { |
| 7048 | #ifdef WIN32 |
| 7049 | return ((ssize_t)write(*fd, buffer, (unsigned)length)); |
| 7050 | #else |
| 7051 | return (write(*fd, buffer, length)); |
| 7052 | #endif /* WIN32 */ |
| 7053 | } |