The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <svc_drm.h> |
| 18 | #include <drm_inner.h> |
| 19 | #include <parser_dm.h> |
| 20 | #include <parser_dcf.h> |
| 21 | #include <parser_rel.h> |
| 22 | #include <drm_rights_manager.h> |
| 23 | #include <drm_time.h> |
| 24 | #include <drm_decoder.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 25 | #include "log.h" |
| 26 | |
| 27 | /** |
| 28 | * Current id. |
| 29 | */ |
| 30 | static int32_t curID = 0; |
| 31 | |
| 32 | /** |
| 33 | * The header pointer for the session list. |
| 34 | */ |
| 35 | static T_DRM_Session_Node* sessionTable = NULL; |
| 36 | |
| 37 | /** |
| 38 | * New a session. |
| 39 | */ |
| 40 | static T_DRM_Session_Node* newSession(T_DRM_Input_Data data) |
| 41 | { |
| 42 | T_DRM_Session_Node* s = (T_DRM_Session_Node *)malloc(sizeof(T_DRM_Session_Node)); |
| 43 | |
| 44 | if (NULL != s) { |
| 45 | memset(s, 0, sizeof(T_DRM_Session_Node)); |
| 46 | |
| 47 | s->sessionId = curID++; |
| 48 | s->inputHandle = data.inputHandle; |
| 49 | s->mimeType = data.mimeType; |
| 50 | s->getInputDataLengthFunc = data.getInputDataLength; |
| 51 | s->readInputDataFunc = data.readInputData; |
| 52 | s->seekInputDataFunc = data.seekInputData; |
| 53 | } |
| 54 | |
| 55 | return s; |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Free a session. |
| 60 | */ |
| 61 | static void freeSession(T_DRM_Session_Node* s) |
| 62 | { |
| 63 | if (NULL == s) |
| 64 | return; |
| 65 | |
| 66 | if (NULL != s->rawContent) |
| 67 | free(s->rawContent); |
| 68 | |
| 69 | if (NULL != s->readBuf) |
| 70 | free(s->readBuf); |
| 71 | |
| 72 | if (NULL != s->infoStruct) |
| 73 | free(s->infoStruct); |
| 74 | |
| 75 | free(s); |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Add a session to list. |
| 80 | */ |
| 81 | static int32_t addSession(T_DRM_Session_Node* s) |
| 82 | { |
| 83 | if (NULL == s) |
| 84 | return -1; |
| 85 | |
| 86 | s->next = sessionTable; |
| 87 | sessionTable = s; |
| 88 | |
| 89 | return s->sessionId; |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * Get a session from the list. |
| 94 | */ |
| 95 | static T_DRM_Session_Node* getSession(int32_t sessionId) |
| 96 | { |
| 97 | T_DRM_Session_Node* s; |
| 98 | |
| 99 | if (sessionId < 0 || NULL == sessionTable) |
| 100 | return NULL; |
| 101 | |
| 102 | for (s = sessionTable; s != NULL; s = s->next) { |
| 103 | if (sessionId == s->sessionId) |
| 104 | return s; |
| 105 | } |
| 106 | |
| 107 | return NULL; |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * Remove a session from the list. |
| 112 | */ |
| 113 | static void removeSession(int32_t sessionId) |
| 114 | { |
| 115 | T_DRM_Session_Node *curS, *preS; |
| 116 | |
| 117 | if (sessionId < 0 || NULL == sessionTable) |
| 118 | return; |
| 119 | |
| 120 | if (sessionId == sessionTable->sessionId) { |
| 121 | curS = sessionTable; |
| 122 | sessionTable = curS->next; |
| 123 | freeSession(curS); |
| 124 | return; |
| 125 | } |
| 126 | |
| 127 | for (preS = sessionTable; preS->next != NULL; preS = preS->next) { |
| 128 | if (preS->next->sessionId == sessionId) |
| 129 | curS = preS->next; |
| 130 | } |
| 131 | |
| 132 | if (NULL == preS->next) |
| 133 | return; |
| 134 | |
| 135 | preS->next = curS->next; |
| 136 | freeSession(curS); |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * Try to identify the mimetype according the input DRM data. |
| 141 | */ |
| 142 | static int32_t getMimeType(const uint8_t *buf, int32_t bufLen) |
| 143 | { |
| 144 | const uint8_t *p; |
| 145 | |
| 146 | if (NULL == buf || bufLen <= 0) |
| 147 | return TYPE_DRM_UNKNOWN; |
| 148 | |
| 149 | p = buf; |
| 150 | |
| 151 | /* check if it is DRM Content Format, only check the first field of Version, it must be "0x01" */ |
| 152 | if (0x01 == *p) |
| 153 | return TYPE_DRM_CONTENT; |
| 154 | |
| 155 | /* check if it is DRM Message, only check the first two bytes, it must be the start flag of boundary: "--" */ |
| 156 | if (bufLen >= 2 && '-' == *p && '-' == *(p + 1)) |
| 157 | return TYPE_DRM_MESSAGE; |
| 158 | |
| 159 | /* check if it is DRM Rights XML format, only check the first several bytes, it must be: "<o-ex:rights" */ |
| 160 | if (bufLen >= 12 && 0 == strncmp("<o-ex:rights", (char *)p, 12)) |
| 161 | return TYPE_DRM_RIGHTS_XML; |
| 162 | |
| 163 | /* check if it is DRM Rights WBXML format, only check the first two bytes, it must be: 0x03, 0x0e */ |
| 164 | if (bufLen >= 2 && 0x03 == *p && 0x0e == *(p + 1)) |
| 165 | return TYPE_DRM_RIGHTS_WBXML; |
| 166 | |
| 167 | return TYPE_DRM_UNKNOWN; |
| 168 | } |
| 169 | |
| 170 | static int32_t drm_skipCRLFinB64(const uint8_t* b64Data, int32_t len) |
| 171 | { |
| 172 | const uint8_t* p; |
| 173 | int32_t skipLen = 0; |
| 174 | |
| 175 | if (NULL == b64Data || len <= 0) |
| 176 | return -1; |
| 177 | |
| 178 | p = b64Data; |
| 179 | while (p - b64Data < len) { |
| 180 | if ('\r' == *p || '\n'== *p) |
| 181 | skipLen++; |
| 182 | p++; |
| 183 | } |
| 184 | |
| 185 | return skipLen; |
| 186 | } |
| 187 | |
| 188 | static int32_t drm_scanEndBoundary(const uint8_t* pBuf, int32_t len, uint8_t* const boundary) |
| 189 | { |
| 190 | const uint8_t* p; |
| 191 | int32_t leftLen; |
| 192 | int32_t boundaryLen; |
| 193 | |
| 194 | if (NULL == pBuf || len <=0 || NULL == boundary) |
| 195 | return -1; |
| 196 | |
| 197 | p = pBuf; |
| 198 | boundaryLen = strlen((char *)boundary) + 2; /* 2 means: '\r' and '\n' */ |
| 199 | leftLen = len - (p - pBuf); |
| 200 | while (leftLen > 0) { |
| 201 | if (NULL == (p = memchr(p, '\r', leftLen))) |
| 202 | break; |
| 203 | |
| 204 | leftLen = len - (p - pBuf); |
| 205 | if (leftLen < boundaryLen) |
| 206 | return -2; /* here means may be the boundary has been split */ |
| 207 | |
| 208 | if (('\n' == *(p + 1)) && (0 == memcmp(p + 2, boundary, strlen((char *)boundary)))) |
| 209 | return p - pBuf; /* find the boundary here */ |
| 210 | |
| 211 | p++; |
| 212 | leftLen--; |
| 213 | } |
| 214 | |
| 215 | return len; /* no boundary found */ |
| 216 | } |
| 217 | |
| 218 | static int32_t drm_getLicenseInfo(T_DRM_Rights* pRights, T_DRM_Rights_Info* licenseInfo) |
| 219 | { |
| 220 | if (NULL != licenseInfo && NULL != pRights) { |
| 221 | strcpy((char *)licenseInfo->roId, (char *)pRights->uid); |
| 222 | |
| 223 | if (1 == pRights->bIsDisplayable) { |
| 224 | licenseInfo->displayRights.indicator = pRights->DisplayConstraint.Indicator; |
| 225 | licenseInfo->displayRights.count = |
| 226 | pRights->DisplayConstraint.Count; |
| 227 | licenseInfo->displayRights.startDate = |
| 228 | pRights->DisplayConstraint.StartTime.date; |
| 229 | licenseInfo->displayRights.startTime = |
| 230 | pRights->DisplayConstraint.StartTime.time; |
| 231 | licenseInfo->displayRights.endDate = |
| 232 | pRights->DisplayConstraint.EndTime.date; |
| 233 | licenseInfo->displayRights.endTime = |
| 234 | pRights->DisplayConstraint.EndTime.time; |
| 235 | licenseInfo->displayRights.intervalDate = |
| 236 | pRights->DisplayConstraint.Interval.date; |
| 237 | licenseInfo->displayRights.intervalTime = |
| 238 | pRights->DisplayConstraint.Interval.time; |
| 239 | } |
| 240 | if (1 == pRights->bIsPlayable) { |
| 241 | licenseInfo->playRights.indicator = pRights->PlayConstraint.Indicator; |
| 242 | licenseInfo->playRights.count = pRights->PlayConstraint.Count; |
| 243 | licenseInfo->playRights.startDate = |
| 244 | pRights->PlayConstraint.StartTime.date; |
| 245 | licenseInfo->playRights.startTime = |
| 246 | pRights->PlayConstraint.StartTime.time; |
| 247 | licenseInfo->playRights.endDate = |
| 248 | pRights->PlayConstraint.EndTime.date; |
| 249 | licenseInfo->playRights.endTime = |
| 250 | pRights->PlayConstraint.EndTime.time; |
| 251 | licenseInfo->playRights.intervalDate = |
| 252 | pRights->PlayConstraint.Interval.date; |
| 253 | licenseInfo->playRights.intervalTime = |
| 254 | pRights->PlayConstraint.Interval.time; |
| 255 | } |
| 256 | if (1 == pRights->bIsExecuteable) { |
| 257 | licenseInfo->executeRights.indicator = pRights->ExecuteConstraint.Indicator; |
| 258 | licenseInfo->executeRights.count = |
| 259 | pRights->ExecuteConstraint.Count; |
| 260 | licenseInfo->executeRights.startDate = |
| 261 | pRights->ExecuteConstraint.StartTime.date; |
| 262 | licenseInfo->executeRights.startTime = |
| 263 | pRights->ExecuteConstraint.StartTime.time; |
| 264 | licenseInfo->executeRights.endDate = |
| 265 | pRights->ExecuteConstraint.EndTime.date; |
| 266 | licenseInfo->executeRights.endTime = |
| 267 | pRights->ExecuteConstraint.EndTime.time; |
| 268 | licenseInfo->executeRights.intervalDate = |
| 269 | pRights->ExecuteConstraint.Interval.date; |
| 270 | licenseInfo->executeRights.intervalTime = |
| 271 | pRights->ExecuteConstraint.Interval.time; |
| 272 | } |
| 273 | if (1 == pRights->bIsPrintable) { |
| 274 | licenseInfo->printRights.indicator = pRights->PrintConstraint.Indicator; |
| 275 | licenseInfo->printRights.count = |
| 276 | pRights->PrintConstraint.Count; |
| 277 | licenseInfo->printRights.startDate = |
| 278 | pRights->PrintConstraint.StartTime.date; |
| 279 | licenseInfo->printRights.startTime = |
| 280 | pRights->PrintConstraint.StartTime.time; |
| 281 | licenseInfo->printRights.endDate = |
| 282 | pRights->PrintConstraint.EndTime.date; |
| 283 | licenseInfo->printRights.endTime = |
| 284 | pRights->PrintConstraint.EndTime.time; |
| 285 | licenseInfo->printRights.intervalDate = |
| 286 | pRights->PrintConstraint.Interval.date; |
| 287 | licenseInfo->printRights.intervalTime = |
| 288 | pRights->PrintConstraint.Interval.time; |
| 289 | } |
| 290 | return TRUE; |
| 291 | } |
| 292 | return FALSE; |
| 293 | } |
| 294 | |
| 295 | static int32_t drm_addRightsNodeToList(T_DRM_Rights_Info_Node **ppRightsHeader, |
| 296 | T_DRM_Rights_Info_Node *pInputRightsNode) |
| 297 | { |
| 298 | T_DRM_Rights_Info_Node *pRightsNode; |
| 299 | |
| 300 | if (NULL == ppRightsHeader || NULL == pInputRightsNode) |
| 301 | return FALSE; |
| 302 | |
| 303 | pRightsNode = (T_DRM_Rights_Info_Node *)malloc(sizeof(T_DRM_Rights_Info_Node)); |
| 304 | if (NULL == pRightsNode) |
| 305 | return FALSE; |
| 306 | |
| 307 | memcpy(pRightsNode, pInputRightsNode, sizeof(T_DRM_Rights_Info_Node)); |
| 308 | pRightsNode->next = NULL; |
| 309 | |
| 310 | /* this means it is the first node */ |
| 311 | if (NULL == *ppRightsHeader) |
| 312 | *ppRightsHeader = pRightsNode; |
| 313 | else { |
| 314 | T_DRM_Rights_Info_Node *pTmp; |
| 315 | |
| 316 | pTmp = *ppRightsHeader; |
| 317 | while (NULL != pTmp->next) |
| 318 | pTmp = pTmp->next; |
| 319 | |
| 320 | pTmp->next = pRightsNode; |
| 321 | } |
| 322 | return TRUE; |
| 323 | } |
| 324 | |
| 325 | static int32_t drm_startConsumeRights(int32_t * bIsXXable, |
| 326 | T_DRM_Rights_Constraint * XXConstraint, |
| 327 | int32_t * writeFlag) |
| 328 | { |
| 329 | T_DB_TIME_SysTime curDateTime; |
| 330 | T_DRM_DATETIME CurrentTime; |
| 331 | uint8_t countFlag = 0; |
| 332 | |
| 333 | memset(&CurrentTime, 0, sizeof(T_DRM_DATETIME)); |
| 334 | |
| 335 | if (NULL == bIsXXable || 0 == *bIsXXable || NULL == XXConstraint || NULL == writeFlag) |
| 336 | return DRM_FAILURE; |
| 337 | |
| 338 | if (0 != (uint8_t)(XXConstraint->Indicator & DRM_NO_CONSTRAINT)) /* Have utter right? */ |
| 339 | return DRM_SUCCESS; |
| 340 | |
| 341 | *bIsXXable = 0; /* Assume have invalid rights at first */ |
| 342 | *writeFlag = 0; |
| 343 | |
| 344 | if (0 != (XXConstraint->Indicator & (DRM_START_TIME_CONSTRAINT | DRM_END_TIME_CONSTRAINT | DRM_INTERVAL_CONSTRAINT))) { |
| 345 | DRM_time_getSysTime(&curDateTime); |
| 346 | |
| 347 | if (-1 == drm_checkDate(curDateTime.year, curDateTime.month, curDateTime.day, |
| 348 | curDateTime.hour, curDateTime.min, curDateTime.sec)) |
| 349 | return DRM_FAILURE; |
| 350 | |
| 351 | YMD_HMS_2_INT(curDateTime.year, curDateTime.month, curDateTime.day, |
| 352 | CurrentTime.date, curDateTime.hour, curDateTime.min, |
| 353 | curDateTime.sec, CurrentTime.time); |
| 354 | } |
| 355 | |
| 356 | if (0 != (uint8_t)(XXConstraint->Indicator & DRM_COUNT_CONSTRAINT)) { /* Have count restrict? */ |
| 357 | *writeFlag = 1; |
| 358 | /* If it has only one time for use, after use this function, we will delete this rights */ |
| 359 | if (XXConstraint->Count <= 0) { |
| 360 | XXConstraint->Indicator &= ~DRM_COUNT_CONSTRAINT; |
| 361 | return DRM_RIGHTS_EXPIRED; |
| 362 | } |
| 363 | |
| 364 | if (XXConstraint->Count-- <= 1) { |
| 365 | XXConstraint->Indicator &= ~DRM_COUNT_CONSTRAINT; |
| 366 | countFlag = 1; |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | if (0 != (uint8_t)(XXConstraint->Indicator & DRM_START_TIME_CONSTRAINT)) { |
| 371 | if (XXConstraint->StartTime.date > CurrentTime.date || |
| 372 | (XXConstraint->StartTime.date == CurrentTime.date && |
| 373 | XXConstraint->StartTime.time >= CurrentTime.time)) { |
| 374 | *bIsXXable = 1; |
| 375 | return DRM_RIGHTS_PENDING; |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | if (0 != (uint8_t)(XXConstraint->Indicator & DRM_END_TIME_CONSTRAINT)) { /* Have end time restrict? */ |
| 380 | if (XXConstraint->EndTime.date < CurrentTime.date || |
| 381 | (XXConstraint->EndTime.date == CurrentTime.date && |
| 382 | XXConstraint->EndTime.time <= CurrentTime.time)) { |
| 383 | *writeFlag = 1; |
| 384 | XXConstraint->Indicator &= ~DRM_END_TIME_CONSTRAINT; |
| 385 | return DRM_RIGHTS_EXPIRED; |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | if (0 != (uint8_t)(XXConstraint->Indicator & DRM_INTERVAL_CONSTRAINT)) { /* Have interval time restrict? */ |
| 390 | int32_t year, mon, day, hour, min, sec, date, time; |
| 391 | int32_t ret; |
| 392 | |
| 393 | XXConstraint->Indicator |= DRM_END_TIME_CONSTRAINT; |
| 394 | XXConstraint->Indicator &= ~DRM_INTERVAL_CONSTRAINT; /* Write off interval right */ |
| 395 | *writeFlag = 1; |
| 396 | |
| 397 | if (XXConstraint->Interval.date == 0 |
| 398 | && XXConstraint->Interval.time == 0) { |
| 399 | return DRM_RIGHTS_EXPIRED; |
| 400 | } |
| 401 | date = CurrentTime.date + XXConstraint->Interval.date; |
| 402 | time = CurrentTime.time + XXConstraint->Interval.time; |
| 403 | INT_2_YMD_HMS(year, mon, day, date, hour, min, sec, time); |
| 404 | |
| 405 | if (sec > 59) { |
| 406 | min += sec / 60; |
| 407 | sec %= 60; |
| 408 | } |
| 409 | if (min > 59) { |
| 410 | hour += min / 60; |
| 411 | min %= 60; |
| 412 | } |
| 413 | if (hour > 23) { |
| 414 | day += hour / 24; |
| 415 | hour %= 24; |
| 416 | } |
| 417 | if (day > 31) { |
| 418 | mon += day / 31; |
| 419 | day %= 31; |
| 420 | } |
| 421 | if (mon > 12) { |
| 422 | year += mon / 12; |
| 423 | mon %= 12; |
| 424 | } |
| 425 | if (day > (ret = drm_monthDays(year, mon))) { |
| 426 | day -= ret; |
| 427 | mon++; |
| 428 | if (mon > 12) { |
| 429 | mon -= 12; |
| 430 | year++; |
| 431 | } |
| 432 | } |
| 433 | YMD_HMS_2_INT(year, mon, day, XXConstraint->EndTime.date, hour, |
| 434 | min, sec, XXConstraint->EndTime.time); |
| 435 | } |
| 436 | |
| 437 | if (1 != countFlag) |
| 438 | *bIsXXable = 1; /* Can go here ,so right must be valid */ |
| 439 | return DRM_SUCCESS; |
| 440 | } |
| 441 | |
| 442 | static int32_t drm_startCheckRights(int32_t * bIsXXable, |
| 443 | T_DRM_Rights_Constraint * XXConstraint) |
| 444 | { |
| 445 | T_DB_TIME_SysTime curDateTime; |
| 446 | T_DRM_DATETIME CurrentTime; |
| 447 | |
| 448 | memset(&CurrentTime, 0, sizeof(T_DRM_DATETIME)); |
| 449 | |
| 450 | if (NULL == bIsXXable || 0 == *bIsXXable || NULL == XXConstraint) |
| 451 | return DRM_FAILURE; |
| 452 | |
| 453 | if (0 != (uint8_t)(XXConstraint->Indicator & DRM_NO_CONSTRAINT)) /* Have utter right? */ |
| 454 | return DRM_SUCCESS; |
| 455 | |
| 456 | *bIsXXable = 0; /* Assume have invalid rights at first */ |
| 457 | |
| 458 | if (0 != (XXConstraint->Indicator & (DRM_START_TIME_CONSTRAINT | DRM_END_TIME_CONSTRAINT))) { |
| 459 | DRM_time_getSysTime(&curDateTime); |
| 460 | |
| 461 | if (-1 == drm_checkDate(curDateTime.year, curDateTime.month, curDateTime.day, |
| 462 | curDateTime.hour, curDateTime.min, curDateTime.sec)) |
| 463 | return DRM_FAILURE; |
| 464 | |
| 465 | YMD_HMS_2_INT(curDateTime.year, curDateTime.month, curDateTime.day, |
| 466 | CurrentTime.date, curDateTime.hour, curDateTime.min, |
| 467 | curDateTime.sec, CurrentTime.time); |
| 468 | } |
| 469 | |
| 470 | if (0 != (uint8_t)(XXConstraint->Indicator & DRM_COUNT_CONSTRAINT)) { /* Have count restrict? */ |
| 471 | if (XXConstraint->Count <= 0) { |
| 472 | XXConstraint->Indicator &= ~DRM_COUNT_CONSTRAINT; |
| 473 | return DRM_RIGHTS_EXPIRED; |
| 474 | } |
| 475 | } |
| 476 | |
| 477 | if (0 != (uint8_t)(XXConstraint->Indicator & DRM_START_TIME_CONSTRAINT)) { |
| 478 | if (XXConstraint->StartTime.date > CurrentTime.date || |
| 479 | (XXConstraint->StartTime.date == CurrentTime.date && |
| 480 | XXConstraint->StartTime.time >= CurrentTime.time)) { |
| 481 | *bIsXXable = 1; |
| 482 | return DRM_RIGHTS_PENDING; |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | if (0 != (uint8_t)(XXConstraint->Indicator & DRM_END_TIME_CONSTRAINT)) { /* Have end time restrict? */ |
| 487 | if (XXConstraint->EndTime.date < CurrentTime.date || |
| 488 | (XXConstraint->EndTime.date == CurrentTime.date && |
| 489 | XXConstraint->EndTime.time <= CurrentTime.time)) { |
| 490 | XXConstraint->Indicator &= ~DRM_END_TIME_CONSTRAINT; |
| 491 | return DRM_RIGHTS_EXPIRED; |
| 492 | } |
| 493 | } |
| 494 | |
| 495 | if (0 != (uint8_t)(XXConstraint->Indicator & DRM_INTERVAL_CONSTRAINT)) { /* Have interval time restrict? */ |
| 496 | if (XXConstraint->Interval.date == 0 && XXConstraint->Interval.time == 0) { |
| 497 | XXConstraint->Indicator &= ~DRM_INTERVAL_CONSTRAINT; |
| 498 | return DRM_RIGHTS_EXPIRED; |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | *bIsXXable = 1; |
| 503 | return DRM_SUCCESS; |
| 504 | } |
| 505 | |
| 506 | int32_t drm_checkRoAndUpdate(int32_t id, int32_t permission) |
| 507 | { |
| 508 | int32_t writeFlag = 0; |
| 509 | int32_t roAmount; |
| 510 | int32_t validRoAmount = 0; |
| 511 | int32_t flag = DRM_FAILURE; |
| 512 | int32_t i, j; |
| 513 | T_DRM_Rights *pRo; |
| 514 | T_DRM_Rights *pCurRo; |
| 515 | int32_t * pNumOfPriority; |
| 516 | int32_t iNum; |
| 517 | T_DRM_Rights_Constraint * pCurConstraint; |
| 518 | T_DRM_Rights_Constraint * pCompareConstraint; |
| 519 | int priority[8] = {1, 2, 4, 3, 8, 6, 7, 5}; |
| 520 | |
| 521 | if (FALSE == drm_writeOrReadInfo(id, NULL, &roAmount, GET_ROAMOUNT)) |
| 522 | return DRM_FAILURE; |
| 523 | |
| 524 | validRoAmount = roAmount; |
| 525 | if (roAmount < 1) |
| 526 | return DRM_NO_RIGHTS; |
| 527 | |
| 528 | pRo = malloc(roAmount * sizeof(T_DRM_Rights)); |
| 529 | pCurRo = pRo; |
| 530 | if (NULL == pRo) |
| 531 | return DRM_FAILURE; |
| 532 | |
| 533 | if (FALSE == drm_writeOrReadInfo(id, pRo, &roAmount, GET_ALL_RO)) { |
| 534 | free(pRo); |
| 535 | return DRM_FAILURE; |
| 536 | } |
| 537 | |
| 538 | /** check the right priority */ |
| 539 | pNumOfPriority = malloc(sizeof(int32_t) * roAmount); |
| 540 | for(i = 0; i < roAmount; i++) { |
| 541 | iNum = roAmount - 1; |
| 542 | for(j = 0; j < roAmount; j++) { |
| 543 | if(i == j) |
| 544 | continue; |
| 545 | switch(permission) { |
| 546 | case DRM_PERMISSION_PLAY: |
| 547 | pCurConstraint = &pRo[i].PlayConstraint; |
| 548 | pCompareConstraint = &pRo[j].PlayConstraint; |
| 549 | break; |
| 550 | case DRM_PERMISSION_DISPLAY: |
| 551 | pCurConstraint = &pRo[i].DisplayConstraint; |
| 552 | pCompareConstraint = &pRo[j].DisplayConstraint; |
| 553 | break; |
| 554 | case DRM_PERMISSION_EXECUTE: |
| 555 | pCurConstraint = &pRo[i].ExecuteConstraint; |
| 556 | pCompareConstraint = &pRo[j].ExecuteConstraint; |
| 557 | break; |
| 558 | case DRM_PERMISSION_PRINT: |
| 559 | pCurConstraint = &pRo[i].PrintConstraint; |
| 560 | pCompareConstraint = &pRo[j].PrintConstraint; |
| 561 | break; |
| 562 | default: |
| 563 | free(pRo); |
| 564 | free(pNumOfPriority); |
| 565 | return DRM_FAILURE; |
| 566 | } |
| 567 | |
| 568 | /**get priority by Indicator*/ |
| 569 | if(0 == (pCurConstraint->Indicator & DRM_NO_CONSTRAINT) && |
| 570 | 0 == (pCompareConstraint->Indicator & DRM_NO_CONSTRAINT)) { |
| 571 | int num1, num2; |
| 572 | num1 = (pCurConstraint->Indicator & 0x0e) >> 1; |
| 573 | num2 = (pCompareConstraint->Indicator & 0x0e) >> 1; |
| 574 | if(priority[num1] > priority[num2]) { |
| 575 | iNum--; |
| 576 | continue; |
| 577 | } else if(priority[pCurConstraint->Indicator] < priority[pCompareConstraint->Indicator]) |
| 578 | continue; |
| 579 | } else if(pCurConstraint->Indicator > pCompareConstraint->Indicator) { |
| 580 | iNum--; |
| 581 | continue; |
| 582 | } else if(pCurConstraint->Indicator < pCompareConstraint->Indicator) |
| 583 | continue; |
| 584 | |
| 585 | if(0 != (pCurConstraint->Indicator & DRM_END_TIME_CONSTRAINT)) { |
| 586 | if(pCurConstraint->EndTime.date < pCompareConstraint->EndTime.date) { |
| 587 | iNum--; |
| 588 | continue; |
| 589 | } else if(pCurConstraint->EndTime.date > pCompareConstraint->EndTime.date) |
| 590 | continue; |
| 591 | |
| 592 | if(pCurConstraint->EndTime.time < pCompareConstraint->EndTime.time) { |
| 593 | iNum--; |
| 594 | continue; |
| 595 | } else if(pCurConstraint->EndTime.date > pCompareConstraint->EndTime.date) |
| 596 | continue; |
| 597 | } |
| 598 | |
| 599 | if(0 != (pCurConstraint->Indicator & DRM_INTERVAL_CONSTRAINT)) { |
| 600 | if(pCurConstraint->Interval.date < pCompareConstraint->Interval.date) { |
| 601 | iNum--; |
| 602 | continue; |
| 603 | } else if(pCurConstraint->Interval.date > pCompareConstraint->Interval.date) |
| 604 | continue; |
| 605 | |
| 606 | if(pCurConstraint->Interval.time < pCompareConstraint->Interval.time) { |
| 607 | iNum--; |
| 608 | continue; |
| 609 | } else if(pCurConstraint->Interval.time > pCompareConstraint->Interval.time) |
| 610 | continue; |
| 611 | } |
| 612 | |
| 613 | if(0 != (pCurConstraint->Indicator & DRM_COUNT_CONSTRAINT)) { |
| 614 | if(pCurConstraint->Count < pCompareConstraint->Count) { |
| 615 | iNum--; |
| 616 | continue; |
| 617 | } else if(pCurConstraint->Count > pCompareConstraint->Count) |
| 618 | continue; |
| 619 | } |
| 620 | |
| 621 | if(i < j) |
| 622 | iNum--; |
| 623 | } |
| 624 | pNumOfPriority[iNum] = i; |
| 625 | } |
| 626 | |
| 627 | for (i = 0; i < validRoAmount; i++) { |
| 628 | /** check the right priority */ |
| 629 | if (pNumOfPriority[i] >= validRoAmount) |
| 630 | break; |
| 631 | |
| 632 | pCurRo = pRo + pNumOfPriority[i]; |
| 633 | |
| 634 | switch (permission) { |
| 635 | case DRM_PERMISSION_PLAY: |
| 636 | flag = |
| 637 | drm_startConsumeRights(&pCurRo->bIsPlayable, |
| 638 | &pCurRo->PlayConstraint, &writeFlag); |
| 639 | break; |
| 640 | case DRM_PERMISSION_DISPLAY: |
| 641 | flag = |
| 642 | drm_startConsumeRights(&pCurRo->bIsDisplayable, |
| 643 | &pCurRo->DisplayConstraint, |
| 644 | &writeFlag); |
| 645 | break; |
| 646 | case DRM_PERMISSION_EXECUTE: |
| 647 | flag = |
| 648 | drm_startConsumeRights(&pCurRo->bIsExecuteable, |
| 649 | &pCurRo->ExecuteConstraint, |
| 650 | &writeFlag); |
| 651 | break; |
| 652 | case DRM_PERMISSION_PRINT: |
| 653 | flag = |
| 654 | drm_startConsumeRights(&pCurRo->bIsPrintable, |
| 655 | &pCurRo->PrintConstraint, &writeFlag); |
| 656 | break; |
| 657 | default: |
| 658 | free(pNumOfPriority); |
| 659 | free(pRo); |
| 660 | return DRM_FAILURE; |
| 661 | } |
| 662 | |
| 663 | /* Here confirm the valid RO amount and set the writeFlag */ |
| 664 | if (0 == pCurRo->bIsPlayable && 0 == pCurRo->bIsDisplayable && |
| 665 | 0 == pCurRo->bIsExecuteable && 0 == pCurRo->bIsPrintable) { |
| 666 | int32_t iCurPri; |
| 667 | |
| 668 | /** refresh the right priority */ |
| 669 | iCurPri = pNumOfPriority[i]; |
| 670 | for(j = i; j < validRoAmount - 1; j++) |
| 671 | pNumOfPriority[j] = pNumOfPriority[j + 1]; |
| 672 | |
| 673 | if(iCurPri != validRoAmount - 1) { |
| 674 | memcpy(pCurRo, pRo + validRoAmount - 1, |
| 675 | sizeof(T_DRM_Rights)); |
| 676 | for(j = 0; j < validRoAmount -1; j++) { |
| 677 | if(validRoAmount - 1 == pNumOfPriority[j]) |
| 678 | pNumOfPriority[j] = iCurPri; |
| 679 | } |
| 680 | } |
| 681 | |
| 682 | /* Here means it is not the last one RO, so the invalid RO should be deleted */ |
| 683 | writeFlag = 1; |
| 684 | validRoAmount--; /* If current right is invalid */ |
| 685 | i--; |
| 686 | } |
| 687 | |
| 688 | /* If the flag is TRUE, this means: we have found a valid RO, so break, no need to check other RO */ |
| 689 | if (DRM_SUCCESS == flag) |
| 690 | break; |
| 691 | } |
| 692 | |
| 693 | if (1 == writeFlag) { |
| 694 | /* Delete the *.info first */ |
| 695 | //drm_removeIdInfoFile(id); |
| 696 | |
| 697 | if (FALSE == drm_writeOrReadInfo(id, pRo, &validRoAmount, SAVE_ALL_RO)) |
| 698 | flag = DRM_FAILURE; |
| 699 | } |
| 700 | |
| 701 | free(pNumOfPriority); |
| 702 | free(pRo); |
| 703 | return flag; |
| 704 | } |
| 705 | |
| 706 | |
| 707 | /* see svc_drm.h */ |
| 708 | int32_t SVC_drm_installRights(T_DRM_Input_Data data, T_DRM_Rights_Info* pRightsInfo) |
| 709 | { |
| 710 | uint8_t *buf; |
| 711 | int32_t dataLen, bufLen; |
| 712 | T_DRM_Rights rights; |
| 713 | |
| 714 | if (0 == data.inputHandle) |
| 715 | return DRM_RIGHTS_DATA_INVALID; |
| 716 | |
| 717 | /* Get input rights data length */ |
| 718 | dataLen = data.getInputDataLength(data.inputHandle); |
| 719 | if (dataLen <= 0) |
| 720 | return DRM_RIGHTS_DATA_INVALID; |
| 721 | |
| 722 | /* Check if the length is larger than DRM max malloc length */ |
| 723 | if (dataLen > DRM_MAX_MALLOC_LEN) |
| 724 | bufLen = DRM_MAX_MALLOC_LEN; |
| 725 | else |
| 726 | bufLen = dataLen; |
| 727 | |
| 728 | buf = (uint8_t *)malloc(bufLen); |
| 729 | if (NULL == buf) |
| 730 | return DRM_FAILURE; |
| 731 | |
| 732 | /* Read input data to buffer */ |
| 733 | if (0 >= data.readInputData(data.inputHandle, buf, bufLen)) { |
| 734 | free(buf); |
| 735 | return DRM_RIGHTS_DATA_INVALID; |
| 736 | } |
| 737 | |
| 738 | /* if the input mime type is unknown, DRM engine will try to recognize it. */ |
| 739 | if (TYPE_DRM_UNKNOWN == data.mimeType) |
| 740 | data.mimeType = getMimeType(buf, bufLen); |
| 741 | |
| 742 | switch(data.mimeType) { |
| 743 | case TYPE_DRM_MESSAGE: /* in case of Combined Delivery, extract the rights part to install */ |
| 744 | { |
| 745 | T_DRM_DM_Info dmInfo; |
| 746 | |
| 747 | memset(&dmInfo, 0, sizeof(T_DRM_DM_Info)); |
| 748 | if (FALSE == drm_parseDM(buf, bufLen, &dmInfo)) { |
| 749 | free(buf); |
| 750 | return DRM_RIGHTS_DATA_INVALID; |
| 751 | } |
| 752 | |
| 753 | /* if it is not Combined Delivery, it can not use to "SVC_drm_installRights" */ |
| 754 | if (COMBINED_DELIVERY != dmInfo.deliveryType || dmInfo.rightsOffset <= 0 || dmInfo.rightsLen <= 0) { |
| 755 | free(buf); |
| 756 | return DRM_RIGHTS_DATA_INVALID; |
| 757 | } |
| 758 | |
| 759 | memset(&rights, 0, sizeof(T_DRM_Rights)); |
| 760 | if (FALSE == drm_relParser(buf + dmInfo.rightsOffset, dmInfo.rightsLen, TYPE_DRM_RIGHTS_XML, &rights)) { |
| 761 | free(buf); |
| 762 | return DRM_RIGHTS_DATA_INVALID; |
| 763 | } |
| 764 | } |
| 765 | break; |
| 766 | case TYPE_DRM_RIGHTS_XML: |
| 767 | case TYPE_DRM_RIGHTS_WBXML: |
| 768 | memset(&rights, 0, sizeof(T_DRM_Rights)); |
| 769 | if (FALSE == drm_relParser(buf, bufLen, data.mimeType, &rights)) { |
| 770 | free(buf); |
| 771 | return DRM_RIGHTS_DATA_INVALID; |
| 772 | } |
| 773 | break; |
| 774 | case TYPE_DRM_CONTENT: /* DCF should not using "SVC_drm_installRights", it should be used to open a session. */ |
| 775 | case TYPE_DRM_UNKNOWN: |
| 776 | default: |
| 777 | free(buf); |
| 778 | return DRM_MEDIA_DATA_INVALID; |
| 779 | } |
| 780 | |
| 781 | free(buf); |
| 782 | |
| 783 | /* append the rights information to DRM engine storage */ |
| 784 | if (FALSE == drm_appendRightsInfo(&rights)) |
| 785 | return DRM_FAILURE; |
| 786 | |
| 787 | memset(pRightsInfo, 0, sizeof(T_DRM_Rights_Info)); |
| 788 | drm_getLicenseInfo(&rights, pRightsInfo); |
| 789 | |
| 790 | return DRM_SUCCESS; |
| 791 | } |
| 792 | |
| 793 | /* see svc_drm.h */ |
| 794 | int32_t SVC_drm_openSession(T_DRM_Input_Data data) |
| 795 | { |
| 796 | int32_t session; |
| 797 | int32_t dataLen; |
| 798 | T_DRM_Session_Node* s; |
| 799 | |
| 800 | if (0 == data.inputHandle) |
| 801 | return DRM_MEDIA_DATA_INVALID; |
| 802 | |
| 803 | /* Get input data length */ |
| 804 | dataLen = data.getInputDataLength(data.inputHandle); |
| 805 | if (dataLen <= 0) |
| 806 | return DRM_MEDIA_DATA_INVALID; |
| 807 | |
| 808 | s = newSession(data); |
| 809 | if (NULL == s) |
| 810 | return DRM_FAILURE; |
| 811 | |
| 812 | /* Check if the length is larger than DRM max malloc length */ |
| 813 | if (dataLen > DRM_MAX_MALLOC_LEN) |
| 814 | s->rawContentLen = DRM_MAX_MALLOC_LEN; |
| 815 | else |
| 816 | s->rawContentLen = dataLen; |
| 817 | |
| 818 | s->rawContent = (uint8_t *)malloc(s->rawContentLen); |
| 819 | if (NULL == s->rawContent) |
| 820 | return DRM_FAILURE; |
| 821 | |
| 822 | /* Read input data to buffer */ |
| 823 | if (0 >= data.readInputData(data.inputHandle, s->rawContent, s->rawContentLen)) { |
| 824 | freeSession(s); |
| 825 | return DRM_MEDIA_DATA_INVALID; |
| 826 | } |
| 827 | |
| 828 | /* if the input mime type is unknown, DRM engine will try to recognize it. */ |
| 829 | if (TYPE_DRM_UNKNOWN == data.mimeType) |
| 830 | data.mimeType = getMimeType(s->rawContent, s->rawContentLen); |
| 831 | |
| 832 | switch(data.mimeType) { |
| 833 | case TYPE_DRM_MESSAGE: |
| 834 | { |
| 835 | T_DRM_DM_Info dmInfo; |
| 836 | |
| 837 | memset(&dmInfo, 0, sizeof(T_DRM_DM_Info)); |
| 838 | if (FALSE == drm_parseDM(s->rawContent, s->rawContentLen, &dmInfo)) { |
| 839 | freeSession(s); |
| 840 | return DRM_MEDIA_DATA_INVALID; |
| 841 | } |
| 842 | |
| 843 | s->deliveryMethod = dmInfo.deliveryType; |
| 844 | |
| 845 | if (SEPARATE_DELIVERY_FL == s->deliveryMethod) |
| 846 | s->contentLength = DRM_UNKNOWN_DATA_LEN; |
| 847 | else |
| 848 | s->contentLength = dmInfo.contentLen; |
| 849 | |
| 850 | s->transferEncoding = dmInfo.transferEncoding; |
| 851 | s->contentOffset = dmInfo.contentOffset; |
| 852 | s->bEndData = FALSE; |
| 853 | strcpy((char *)s->contentType, (char *)dmInfo.contentType); |
| 854 | strcpy((char *)s->contentID, (char *)dmInfo.contentID); |
| 855 | |
| 856 | if (SEPARATE_DELIVERY_FL == s->deliveryMethod) { |
| 857 | s->infoStruct = (T_DRM_Dcf_Node *)malloc(sizeof(T_DRM_Dcf_Node)); |
| 858 | if (NULL == s->infoStruct) |
| 859 | return DRM_FAILURE; |
| 860 | memset(s->infoStruct, 0, sizeof(T_DRM_Dcf_Node)); |
| 861 | |
| 862 | ((T_DRM_Dcf_Node *)(s->infoStruct))->encContentLength = dmInfo.contentLen; |
| 863 | strcpy((char *)((T_DRM_Dcf_Node *)(s->infoStruct))->rightsIssuer, (char *)dmInfo.rightsIssuer); |
| 864 | break; |
| 865 | } |
| 866 | |
| 867 | if (DRM_MESSAGE_CODING_BASE64 == s->transferEncoding) { |
| 868 | s->infoStruct = (T_DRM_DM_Base64_Node *)malloc(sizeof(T_DRM_DM_Base64_Node)); |
| 869 | if (NULL == s->infoStruct) |
| 870 | return DRM_FAILURE; |
| 871 | memset(s->infoStruct, 0, sizeof(T_DRM_DM_Base64_Node)); |
| 872 | |
| 873 | strcpy((char *)((T_DRM_DM_Base64_Node *)(s->infoStruct))->boundary, (char *)dmInfo.boundary); |
| 874 | } else { |
| 875 | s->infoStruct = (T_DRM_DM_Binary_Node *)malloc(sizeof(T_DRM_DM_Binary_Node)); |
| 876 | if (NULL == s->infoStruct) |
| 877 | return DRM_FAILURE; |
| 878 | memset(s->infoStruct, 0, sizeof(T_DRM_DM_Binary_Node)); |
| 879 | |
| 880 | strcpy((char *)((T_DRM_DM_Binary_Node *)(s->infoStruct))->boundary, (char *)dmInfo.boundary); |
| 881 | } |
| 882 | |
| 883 | |
| 884 | if (DRM_MESSAGE_CODING_BASE64 == s->transferEncoding) { |
| 885 | if (s->contentLength > 0) { |
| 886 | int32_t encLen, decLen; |
| 887 | |
| 888 | encLen = s->contentLength; |
| 889 | decLen = encLen / DRM_B64_ENC_BLOCK * DRM_B64_DEC_BLOCK; |
| 890 | |
| 891 | decLen = drm_decodeBase64(s->rawContent, decLen, s->rawContent + s->contentOffset, &encLen); |
| 892 | s->contentLength = decLen; |
| 893 | } else { |
| 894 | int32_t encLen = DRM_MAX_MALLOC_LEN - s->contentOffset, decLen; |
| 895 | int32_t skipLen, needBytes, i; |
| 896 | uint8_t *pStart; |
| 897 | int32_t res, bFoundBoundary = FALSE; |
| 898 | |
| 899 | pStart = s->rawContent + s->contentOffset; |
| 900 | if (-1 == (skipLen = drm_skipCRLFinB64(pStart, encLen))) { |
| 901 | freeSession(s); |
| 902 | return DRM_FAILURE; |
| 903 | } |
| 904 | |
| 905 | needBytes = DRM_B64_ENC_BLOCK - ((encLen - skipLen) % DRM_B64_ENC_BLOCK); |
| 906 | if (needBytes < DRM_B64_ENC_BLOCK) { |
| 907 | s->rawContent = (uint8_t *)realloc(s->rawContent, DRM_MAX_MALLOC_LEN + needBytes); |
| 908 | if (NULL == s->rawContent) { |
| 909 | freeSession(s); |
| 910 | return DRM_FAILURE; |
| 911 | } |
| 912 | |
| 913 | i = 0; |
| 914 | while (i < needBytes) { |
| 915 | if (-1 != data.readInputData(data.inputHandle, s->rawContent + DRM_MAX_MALLOC_LEN + i, 1)) { |
| 916 | if ('\r' == *(s->rawContent + DRM_MAX_MALLOC_LEN + i) || '\n' == *(s->rawContent + DRM_MAX_MALLOC_LEN + i)) |
| 917 | continue; |
| 918 | i++; |
| 919 | } else |
| 920 | break; |
| 921 | } |
| 922 | encLen += i; |
| 923 | } |
| 924 | |
| 925 | res = drm_scanEndBoundary(pStart, encLen, ((T_DRM_DM_Base64_Node *)(s->infoStruct))->boundary); |
| 926 | if (-1 == res) { |
| 927 | freeSession(s); |
| 928 | return DRM_FAILURE; |
| 929 | } |
| 930 | if (-2 == res) { /* may be there is a boundary */ |
| 931 | int32_t boundaryLen, leftLen, readBytes; |
| 932 | char* pTmp = memrchr(pStart, '\r', encLen); |
| 933 | |
| 934 | if (NULL == pTmp) { |
| 935 | freeSession(s); |
| 936 | return DRM_FAILURE; /* conflict */ |
| 937 | } |
| 938 | boundaryLen = strlen((char *)((T_DRM_DM_Base64_Node *)(s->infoStruct))->boundary) + 2; /* 2 means: '\r''\n' */ |
| 939 | s->readBuf = (uint8_t *)malloc(boundaryLen); |
| 940 | if (NULL == s->readBuf) { |
| 941 | freeSession(s); |
| 942 | return DRM_FAILURE; |
| 943 | } |
| 944 | s->readBufOff = encLen - ((uint8_t *)pTmp - pStart); |
| 945 | s->readBufLen = boundaryLen - s->readBufOff; |
| 946 | memcpy(s->readBuf, pTmp, s->readBufOff); |
| 947 | readBytes = data.readInputData(data.inputHandle, s->readBuf + s->readBufOff, s->readBufLen); |
| 948 | if (-1 == readBytes || readBytes < s->readBufLen) { |
| 949 | freeSession(s); |
| 950 | return DRM_MEDIA_DATA_INVALID; |
| 951 | } |
| 952 | |
| 953 | if (0 == drm_scanEndBoundary(s->readBuf, boundaryLen, ((T_DRM_DM_Base64_Node *)(s->infoStruct))->boundary)) { |
| 954 | encLen = (uint8_t *)pTmp - pStart; /* yes, it is the end boundary */ |
| 955 | bFoundBoundary = TRUE; |
| 956 | } |
| 957 | } else { |
| 958 | if (res >= 0 && res < encLen) { |
| 959 | encLen = res; |
| 960 | bFoundBoundary = TRUE; |
| 961 | } |
| 962 | } |
| 963 | |
| 964 | decLen = encLen / DRM_B64_ENC_BLOCK * DRM_B64_DEC_BLOCK; |
| 965 | decLen = drm_decodeBase64(s->rawContent, decLen, s->rawContent + s->contentOffset, &encLen); |
| 966 | ((T_DRM_DM_Base64_Node *)(s->infoStruct))->b64DecodeDataLen = decLen; |
| 967 | if (bFoundBoundary) |
| 968 | s->contentLength = decLen; |
| 969 | } |
| 970 | } else { |
| 971 | /* binary data */ |
| 972 | if (DRM_UNKNOWN_DATA_LEN == s->contentLength) { |
| 973 | /* try to check whether there is boundary may be split */ |
| 974 | int32_t res, binContentLen; |
| 975 | uint8_t* pStart; |
| 976 | int32_t bFoundBoundary = FALSE; |
| 977 | |
| 978 | pStart = s->rawContent + s->contentOffset; |
| 979 | binContentLen = s->rawContentLen - s->contentOffset; |
| 980 | res = drm_scanEndBoundary(pStart, binContentLen, ((T_DRM_DM_Binary_Node *)(s->infoStruct))->boundary); |
| 981 | |
| 982 | if (-1 == res) { |
| 983 | freeSession(s); |
| 984 | return DRM_FAILURE; |
| 985 | } |
| 986 | |
| 987 | if (-2 == res) { /* may be the boundary is split */ |
| 988 | int32_t boundaryLen, leftLen, readBytes; |
| 989 | char* pTmp = memrchr(pStart, '\r', binContentLen); |
| 990 | |
| 991 | if (NULL == pTmp) { |
| 992 | freeSession(s); |
| 993 | return DRM_FAILURE; /* conflict */ |
| 994 | } |
| 995 | |
| 996 | boundaryLen = strlen((char *)((T_DRM_DM_Binary_Node *)(s->infoStruct))->boundary) + 2; /* 2 means: '\r''\n' */ |
| 997 | s->readBuf = (uint8_t *)malloc(boundaryLen); |
| 998 | if (NULL == s->readBuf) { |
| 999 | freeSession(s); |
| 1000 | return DRM_FAILURE; |
| 1001 | } |
| 1002 | s->readBufOff = binContentLen - ((uint8_t *)pTmp - pStart); |
| 1003 | s->readBufLen = boundaryLen - s->readBufOff; |
| 1004 | memcpy(s->readBuf, pTmp, s->readBufOff); |
| 1005 | readBytes = data.readInputData(data.inputHandle, s->readBuf + s->readBufOff, s->readBufLen); |
| 1006 | if (-1 == readBytes || readBytes < s->readBufLen) { |
| 1007 | freeSession(s); |
| 1008 | return DRM_MEDIA_DATA_INVALID; |
| 1009 | } |
| 1010 | |
| 1011 | if (0 == drm_scanEndBoundary(s->readBuf, boundaryLen, ((T_DRM_DM_Binary_Node *)(s->infoStruct))->boundary)) { |
| 1012 | binContentLen = (uint8_t *)pTmp - pStart; /* yes, it is the end boundary */ |
| 1013 | bFoundBoundary = TRUE; |
| 1014 | } |
| 1015 | } else { |
| 1016 | if (res >= 0 && res < binContentLen) { |
| 1017 | binContentLen = res; |
| 1018 | bFoundBoundary = TRUE; |
| 1019 | } |
| 1020 | } |
| 1021 | |
| 1022 | if (bFoundBoundary) |
| 1023 | s->contentLength = binContentLen; |
| 1024 | } |
| 1025 | } |
| 1026 | } |
| 1027 | break; |
| 1028 | case TYPE_DRM_CONTENT: |
| 1029 | { |
| 1030 | T_DRM_DCF_Info dcfInfo; |
| 1031 | uint8_t* pEncData = NULL; |
| 1032 | |
| 1033 | memset(&dcfInfo, 0, sizeof(T_DRM_DCF_Info)); |
| 1034 | if (FALSE == drm_dcfParser(s->rawContent, s->rawContentLen, &dcfInfo, &pEncData)) { |
| 1035 | freeSession(s); |
| 1036 | return DRM_MEDIA_DATA_INVALID; |
| 1037 | } |
| 1038 | |
| 1039 | s->infoStruct = (T_DRM_Dcf_Node *)malloc(sizeof(T_DRM_Dcf_Node)); |
| 1040 | if (NULL == s->infoStruct) |
| 1041 | return DRM_FAILURE; |
| 1042 | memset(s->infoStruct, 0, sizeof(T_DRM_Dcf_Node)); |
| 1043 | |
| 1044 | s->deliveryMethod = SEPARATE_DELIVERY; |
| 1045 | s->contentLength = dcfInfo.DecryptedDataLen; |
| 1046 | ((T_DRM_Dcf_Node *)(s->infoStruct))->encContentLength = dcfInfo.EncryptedDataLen; |
| 1047 | s->contentOffset = pEncData - s->rawContent; |
| 1048 | strcpy((char *)s->contentType, (char *)dcfInfo.ContentType); |
| 1049 | strcpy((char *)s->contentID, (char *)dcfInfo.ContentURI); |
| 1050 | strcpy((char *)((T_DRM_Dcf_Node *)(s->infoStruct))->rightsIssuer, (char *)dcfInfo.Rights_Issuer); |
| 1051 | } |
| 1052 | break; |
| 1053 | case TYPE_DRM_RIGHTS_XML: /* rights object should using "SVC_drm_installRights", it can not open a session */ |
| 1054 | case TYPE_DRM_RIGHTS_WBXML: /* rights object should using "SVC_drm_installRights", it can not open a session */ |
| 1055 | case TYPE_DRM_UNKNOWN: |
| 1056 | default: |
| 1057 | freeSession(s); |
| 1058 | return DRM_MEDIA_DATA_INVALID; |
| 1059 | } |
| 1060 | |
| 1061 | if ((SEPARATE_DELIVERY_FL == s->deliveryMethod || SEPARATE_DELIVERY == s->deliveryMethod) && |
| 1062 | s->contentOffset + ((T_DRM_Dcf_Node *)(s->infoStruct))->encContentLength <= DRM_MAX_MALLOC_LEN) { |
| 1063 | uint8_t keyValue[DRM_KEY_LEN]; |
| 1064 | uint8_t lastDcfBuf[DRM_TWO_AES_BLOCK_LEN]; |
| 1065 | int32_t seekPos, moreBytes; |
| 1066 | |
| 1067 | if (TRUE == drm_getKey(s->contentID, keyValue)) { |
| 1068 | seekPos = s->contentOffset + ((T_DRM_Dcf_Node *)(s->infoStruct))->encContentLength - DRM_TWO_AES_BLOCK_LEN; |
| 1069 | memcpy(lastDcfBuf, s->rawContent + seekPos, DRM_TWO_AES_BLOCK_LEN); |
| 1070 | |
| 1071 | if (TRUE == drm_updateDcfDataLen(lastDcfBuf, keyValue, &moreBytes)) { |
| 1072 | s->contentLength = ((T_DRM_Dcf_Node *)(s->infoStruct))->encContentLength; |
| 1073 | s->contentLength -= moreBytes; |
| 1074 | } |
| 1075 | } |
| 1076 | } |
| 1077 | |
| 1078 | session = addSession(s); |
| 1079 | if (-1 == session) |
| 1080 | return DRM_FAILURE; |
| 1081 | |
| 1082 | return session; |
| 1083 | } |
| 1084 | |
| 1085 | /* see svc_drm.h */ |
| 1086 | int32_t SVC_drm_getDeliveryMethod(int32_t session) |
| 1087 | { |
| 1088 | T_DRM_Session_Node* s; |
| 1089 | |
| 1090 | if (session < 0) |
| 1091 | return DRM_FAILURE; |
| 1092 | |
| 1093 | s = getSession(session); |
| 1094 | if (NULL == s) |
| 1095 | return DRM_SESSION_NOT_OPENED; |
| 1096 | |
| 1097 | return s->deliveryMethod; |
| 1098 | } |
| 1099 | |
| 1100 | /* see svc_drm.h */ |
| 1101 | int32_t SVC_drm_getContentType(int32_t session, uint8_t* mediaType) |
| 1102 | { |
| 1103 | T_DRM_Session_Node* s; |
| 1104 | |
| 1105 | if (session < 0 || NULL == mediaType) |
| 1106 | return DRM_FAILURE; |
| 1107 | |
| 1108 | s = getSession(session); |
| 1109 | if (NULL == s) |
| 1110 | return DRM_SESSION_NOT_OPENED; |
| 1111 | |
| 1112 | strcpy((char *)mediaType, (char *)s->contentType); |
| 1113 | |
| 1114 | return DRM_SUCCESS; |
| 1115 | } |
| 1116 | |
| 1117 | /* see svc_drm.h */ |
| 1118 | int32_t SVC_drm_checkRights(int32_t session, int32_t permission) |
| 1119 | { |
| 1120 | T_DRM_Session_Node* s; |
| 1121 | int32_t id; |
| 1122 | T_DRM_Rights *pRo, *pCurRo; |
| 1123 | int32_t roAmount; |
| 1124 | int32_t i; |
| 1125 | int32_t res = DRM_FAILURE; |
| 1126 | |
| 1127 | if (session < 0) |
| 1128 | return DRM_FAILURE; |
| 1129 | |
| 1130 | s = getSession(session); |
| 1131 | if (NULL == s) |
| 1132 | return DRM_SESSION_NOT_OPENED; |
| 1133 | |
| 1134 | /* if it is Forward-Lock cases, check it and return directly */ |
| 1135 | if (FORWARD_LOCK == s->deliveryMethod) { |
| 1136 | if (DRM_PERMISSION_PLAY == permission || |
| 1137 | DRM_PERMISSION_DISPLAY == permission || |
| 1138 | DRM_PERMISSION_EXECUTE == permission || |
| 1139 | DRM_PERMISSION_PRINT == permission) |
| 1140 | return DRM_SUCCESS; |
| 1141 | |
| 1142 | return DRM_FAILURE; |
| 1143 | } |
| 1144 | |
| 1145 | /* if try to forward, only DCF can be forwarded */ |
| 1146 | if (DRM_PERMISSION_FORWARD == permission) { |
| 1147 | if (SEPARATE_DELIVERY == s->deliveryMethod) |
| 1148 | return DRM_SUCCESS; |
| 1149 | |
| 1150 | return DRM_FAILURE; |
| 1151 | } |
| 1152 | |
| 1153 | /* The following will check CD or SD other permissions */ |
| 1154 | if (FALSE == drm_readFromUidTxt(s->contentID, &id, GET_ID)) |
| 1155 | return DRM_FAILURE; |
| 1156 | |
| 1157 | drm_writeOrReadInfo(id, NULL, &roAmount, GET_ROAMOUNT); |
| 1158 | if (roAmount <= 0) |
| 1159 | return DRM_FAILURE; |
| 1160 | |
| 1161 | pRo = malloc(roAmount * sizeof(T_DRM_Rights)); |
| 1162 | if (NULL == pRo) |
| 1163 | return DRM_FAILURE; |
| 1164 | |
| 1165 | drm_writeOrReadInfo(id, pRo, &roAmount, GET_ALL_RO); |
| 1166 | |
| 1167 | pCurRo = pRo; |
| 1168 | for (i = 0; i < roAmount; i++) { |
| 1169 | switch (permission) { |
| 1170 | case DRM_PERMISSION_PLAY: |
| 1171 | res = drm_startCheckRights(&(pCurRo->bIsPlayable), &(pCurRo->PlayConstraint)); |
| 1172 | break; |
| 1173 | case DRM_PERMISSION_DISPLAY: |
| 1174 | res = drm_startCheckRights(&(pCurRo->bIsDisplayable), &(pCurRo->DisplayConstraint)); |
| 1175 | break; |
| 1176 | case DRM_PERMISSION_EXECUTE: |
| 1177 | res = drm_startCheckRights(&(pCurRo->bIsExecuteable), &(pCurRo->ExecuteConstraint)); |
| 1178 | break; |
| 1179 | case DRM_PERMISSION_PRINT: |
| 1180 | res = drm_startCheckRights(&(pCurRo->bIsPrintable), &(pCurRo->PrintConstraint)); |
| 1181 | break; |
| 1182 | default: |
| 1183 | free(pRo); |
| 1184 | return DRM_FAILURE; |
| 1185 | } |
| 1186 | |
| 1187 | if (DRM_SUCCESS == res) { |
| 1188 | free(pRo); |
| 1189 | return DRM_SUCCESS; |
| 1190 | } |
| 1191 | pCurRo++; |
| 1192 | } |
| 1193 | |
| 1194 | free(pRo); |
| 1195 | return res; |
| 1196 | } |
| 1197 | |
| 1198 | /* see svc_drm.h */ |
| 1199 | int32_t SVC_drm_consumeRights(int32_t session, int32_t permission) |
| 1200 | { |
| 1201 | T_DRM_Session_Node* s; |
| 1202 | int32_t id; |
| 1203 | |
| 1204 | if (session < 0) |
| 1205 | return DRM_FAILURE; |
| 1206 | |
| 1207 | s = getSession(session); |
| 1208 | if (NULL == s) |
| 1209 | return DRM_SESSION_NOT_OPENED; |
| 1210 | |
| 1211 | if (DRM_PERMISSION_FORWARD == permission) { |
| 1212 | if (SEPARATE_DELIVERY == s->deliveryMethod) |
| 1213 | return DRM_SUCCESS; |
| 1214 | |
| 1215 | return DRM_FAILURE; |
| 1216 | } |
| 1217 | |
| 1218 | if (FORWARD_LOCK == s->deliveryMethod) /* Forwardlock type have utter rights */ |
| 1219 | return DRM_SUCCESS; |
| 1220 | |
| 1221 | if (FALSE == drm_readFromUidTxt(s->contentID, &id, GET_ID)) |
| 1222 | return DRM_FAILURE; |
| 1223 | |
| 1224 | return drm_checkRoAndUpdate(id, permission); |
| 1225 | } |
| 1226 | |
| 1227 | /* see svc_drm.h */ |
| 1228 | int32_t SVC_drm_getContentLength(int32_t session) |
| 1229 | { |
| 1230 | T_DRM_Session_Node* s; |
| 1231 | |
| 1232 | if (session < 0) |
| 1233 | return DRM_FAILURE; |
| 1234 | |
| 1235 | s = getSession(session); |
| 1236 | if (NULL == s) |
| 1237 | return DRM_SESSION_NOT_OPENED; |
| 1238 | |
| 1239 | if (DRM_UNKNOWN_DATA_LEN == s->contentLength && s->contentOffset + ((T_DRM_Dcf_Node *)(s->infoStruct))->encContentLength <= DRM_MAX_MALLOC_LEN && |
| 1240 | (SEPARATE_DELIVERY == s->deliveryMethod || SEPARATE_DELIVERY_FL == s->deliveryMethod)) { |
| 1241 | uint8_t keyValue[DRM_KEY_LEN]; |
| 1242 | uint8_t lastDcfBuf[DRM_TWO_AES_BLOCK_LEN]; |
| 1243 | int32_t seekPos, moreBytes; |
| 1244 | |
| 1245 | if (TRUE == drm_getKey(s->contentID, keyValue)) { |
| 1246 | seekPos = s->contentOffset + ((T_DRM_Dcf_Node *)(s->infoStruct))->encContentLength - DRM_TWO_AES_BLOCK_LEN; |
| 1247 | memcpy(lastDcfBuf, s->rawContent + seekPos, DRM_TWO_AES_BLOCK_LEN); |
| 1248 | |
| 1249 | if (TRUE == drm_updateDcfDataLen(lastDcfBuf, keyValue, &moreBytes)) { |
| 1250 | s->contentLength = ((T_DRM_Dcf_Node *)(s->infoStruct))->encContentLength; |
| 1251 | s->contentLength -= moreBytes; |
| 1252 | } |
| 1253 | } |
| 1254 | } |
| 1255 | |
| 1256 | return s->contentLength; |
| 1257 | } |
| 1258 | |
| 1259 | static int32_t drm_readAesData(uint8_t* buf, T_DRM_Session_Node* s, int32_t aesStart, int32_t bufLen) |
| 1260 | { |
| 1261 | if (NULL == buf || NULL == s || aesStart < 0 || bufLen < 0) |
| 1262 | return -1; |
| 1263 | |
| 1264 | if (aesStart - s->contentOffset + bufLen > ((T_DRM_Dcf_Node *)(s->infoStruct))->encContentLength) |
| 1265 | return -2; |
| 1266 | |
| 1267 | if (aesStart < DRM_MAX_MALLOC_LEN) { |
| 1268 | if (aesStart + bufLen <= DRM_MAX_MALLOC_LEN) { /* read from buffer */ |
| 1269 | memcpy(buf, s->rawContent + aesStart, bufLen); |
| 1270 | return bufLen; |
| 1271 | } else { /* first read from buffer and then from InputStream */ |
| 1272 | int32_t point = DRM_MAX_MALLOC_LEN - aesStart; |
| 1273 | int32_t res; |
| 1274 | |
| 1275 | if (((T_DRM_Dcf_Node *)(s->infoStruct))->bAesBackupBuf) { |
| 1276 | memcpy(buf, ((T_DRM_Dcf_Node *)(s->infoStruct))->aesBackupBuf, DRM_ONE_AES_BLOCK_LEN); |
| 1277 | res = s->readInputDataFunc(s->inputHandle, buf + DRM_ONE_AES_BLOCK_LEN, DRM_ONE_AES_BLOCK_LEN); |
| 1278 | if (0 == res || -1 == res) |
| 1279 | return -1; |
| 1280 | |
| 1281 | res += DRM_ONE_AES_BLOCK_LEN; |
| 1282 | } else { |
| 1283 | memcpy(buf, s->rawContent + aesStart, point); |
| 1284 | res = s->readInputDataFunc(s->inputHandle, buf + point, bufLen - point); |
| 1285 | if (0 == res || -1 == res) |
| 1286 | return -1; |
| 1287 | |
| 1288 | res += point; |
| 1289 | } |
| 1290 | |
| 1291 | memcpy(((T_DRM_Dcf_Node *)(s->infoStruct))->aesBackupBuf, buf + DRM_ONE_AES_BLOCK_LEN, DRM_ONE_AES_BLOCK_LEN); |
| 1292 | ((T_DRM_Dcf_Node *)(s->infoStruct))->bAesBackupBuf = TRUE; |
| 1293 | |
| 1294 | return res; |
| 1295 | } |
| 1296 | } else { /* read from InputStream */ |
| 1297 | int32_t res; |
| 1298 | |
| 1299 | memcpy(buf, ((T_DRM_Dcf_Node *)(s->infoStruct))->aesBackupBuf, DRM_ONE_AES_BLOCK_LEN); |
| 1300 | res = s->readInputDataFunc(s->inputHandle, buf + DRM_ONE_AES_BLOCK_LEN, DRM_ONE_AES_BLOCK_LEN); |
| 1301 | |
| 1302 | if (0 == res || -1 == res) |
| 1303 | return -1; |
| 1304 | |
| 1305 | memcpy(((T_DRM_Dcf_Node *)(s->infoStruct))->aesBackupBuf, buf + DRM_ONE_AES_BLOCK_LEN, DRM_ONE_AES_BLOCK_LEN); |
| 1306 | |
| 1307 | return DRM_ONE_AES_BLOCK_LEN + res; |
| 1308 | } |
| 1309 | } |
| 1310 | |
| 1311 | static int32_t drm_readContentFromBuf(T_DRM_Session_Node* s, int32_t offset, uint8_t* mediaBuf, int32_t mediaBufLen) |
| 1312 | { |
| 1313 | int32_t readBytes; |
| 1314 | |
| 1315 | if (offset > s->contentLength) |
| 1316 | return DRM_FAILURE; |
| 1317 | |
| 1318 | if (offset == s->contentLength) |
| 1319 | return DRM_MEDIA_EOF; |
| 1320 | |
| 1321 | if (offset + mediaBufLen > s->contentLength) |
| 1322 | readBytes = s->contentLength - offset; |
| 1323 | else |
| 1324 | readBytes = mediaBufLen; |
| 1325 | |
| 1326 | if (DRM_MESSAGE_CODING_BASE64 == s->transferEncoding) |
| 1327 | memcpy(mediaBuf, s->rawContent + offset, readBytes); |
| 1328 | else |
| 1329 | memcpy(mediaBuf, s->rawContent + s->contentOffset + offset, readBytes); |
| 1330 | |
| 1331 | return readBytes; |
| 1332 | } |
| 1333 | |
| 1334 | static int32_t drm_readB64ContentFromInputStream(T_DRM_Session_Node* s, int32_t offset, uint8_t* mediaBuf, int32_t mediaBufLen) |
| 1335 | { |
| 1336 | uint8_t encBuf[DRM_B64_ENC_BLOCK], decBuf[DRM_B64_DEC_BLOCK]; |
| 1337 | int32_t encLen, decLen; |
| 1338 | int32_t i, j, piece, leftLen, firstBytes; |
| 1339 | int32_t readBytes = 0; |
| 1340 | |
| 1341 | if (offset < ((T_DRM_DM_Base64_Node *)(s->infoStruct))->b64DecodeDataLen) { |
| 1342 | readBytes = ((T_DRM_DM_Base64_Node *)(s->infoStruct))->b64DecodeDataLen - offset; |
| 1343 | memcpy(mediaBuf, s->rawContent + offset, readBytes); |
| 1344 | } else { |
| 1345 | if (s->bEndData) |
| 1346 | return DRM_MEDIA_EOF; |
| 1347 | |
| 1348 | firstBytes = offset % DRM_B64_DEC_BLOCK; |
| 1349 | if (firstBytes > 0) { |
| 1350 | if (DRM_B64_DEC_BLOCK - firstBytes >= mediaBufLen) { |
| 1351 | readBytes = mediaBufLen; |
| 1352 | memcpy(mediaBuf, ((T_DRM_DM_Base64_Node *)(s->infoStruct))->b64DecodeData + firstBytes, readBytes); |
| 1353 | return readBytes; |
| 1354 | } |
| 1355 | |
| 1356 | readBytes = DRM_B64_DEC_BLOCK - firstBytes; |
| 1357 | memcpy(mediaBuf, ((T_DRM_DM_Base64_Node *)(s->infoStruct))->b64DecodeData + firstBytes, readBytes); |
| 1358 | } |
| 1359 | } |
| 1360 | |
| 1361 | leftLen = mediaBufLen - readBytes; |
| 1362 | encLen = (leftLen - 1) / DRM_B64_DEC_BLOCK * DRM_B64_ENC_BLOCK + DRM_B64_ENC_BLOCK; |
| 1363 | piece = encLen / DRM_B64_ENC_BLOCK; |
| 1364 | |
| 1365 | for (i = 0; i < piece; i++) { |
| 1366 | j = 0; |
| 1367 | while (j < DRM_B64_ENC_BLOCK) { |
| 1368 | if (NULL != s->readBuf && s->readBufLen > 0) { /* read from backup buffer */ |
| 1369 | *(encBuf + j) = s->readBuf[s->readBufOff]; |
| 1370 | s->readBufOff++; |
| 1371 | s->readBufLen--; |
| 1372 | } else { /* read from InputStream */ |
| 1373 | if (0 == s->readInputDataFunc(s->inputHandle, encBuf + j, 1)) |
| 1374 | return DRM_MEDIA_DATA_INVALID; |
| 1375 | } |
| 1376 | |
| 1377 | if ('\r' == *(encBuf + j) || '\n' == *(encBuf + j)) |
| 1378 | continue; /* skip CRLF */ |
| 1379 | |
| 1380 | if ('-' == *(encBuf + j)) { |
| 1381 | int32_t k, len; |
| 1382 | |
| 1383 | /* invalid base64 data, it comes to end boundary */ |
| 1384 | if (0 != j) |
| 1385 | return DRM_MEDIA_DATA_INVALID; |
| 1386 | |
| 1387 | /* check whether it is really the boundary */ |
| 1388 | len = strlen((char *)((T_DRM_DM_Base64_Node *)(s->infoStruct))->boundary); |
| 1389 | if (NULL == s->readBuf) { |
| 1390 | s->readBuf = (uint8_t *)malloc(len); |
| 1391 | if (NULL == s->readBuf) |
| 1392 | return DRM_FAILURE; |
| 1393 | } |
| 1394 | |
| 1395 | s->readBuf[0] = '-'; |
| 1396 | for (k = 0; k < len - 1; k++) { |
| 1397 | if (NULL != s->readBuf && s->readBufLen > 0) { /* read from backup buffer */ |
| 1398 | *(s->readBuf + k + 1) = s->readBuf[s->readBufOff]; |
| 1399 | s->readBufOff++; |
| 1400 | s->readBufLen--; |
| 1401 | } else { /* read from InputStream */ |
| 1402 | if (-1 == s->readInputDataFunc(s->inputHandle, s->readBuf + k + 1, 1)) |
| 1403 | return DRM_MEDIA_DATA_INVALID; |
| 1404 | } |
| 1405 | } |
| 1406 | if (0 == memcmp(s->readBuf, ((T_DRM_DM_Base64_Node *)(s->infoStruct))->boundary, len)) |
| 1407 | s->bEndData = TRUE; |
| 1408 | else |
| 1409 | return DRM_MEDIA_DATA_INVALID; |
| 1410 | |
| 1411 | break; |
| 1412 | } |
| 1413 | j++; |
| 1414 | } |
| 1415 | |
| 1416 | if (TRUE == s->bEndData) { /* it means come to the end of base64 data */ |
| 1417 | if (0 == readBytes) |
| 1418 | return DRM_MEDIA_EOF; |
| 1419 | |
| 1420 | break; |
| 1421 | } |
| 1422 | |
| 1423 | encLen = DRM_B64_ENC_BLOCK; |
| 1424 | decLen = DRM_B64_DEC_BLOCK; |
| 1425 | if (-1 == (decLen = drm_decodeBase64(decBuf, decLen, encBuf, &encLen))) |
| 1426 | return DRM_MEDIA_DATA_INVALID; |
| 1427 | |
| 1428 | if (leftLen >= decLen) { |
| 1429 | memcpy(mediaBuf + readBytes, decBuf, decLen); |
| 1430 | readBytes += decLen; |
| 1431 | leftLen -= decLen; |
| 1432 | } else { |
| 1433 | if (leftLen > 0) { |
| 1434 | memcpy(mediaBuf + readBytes, decBuf, leftLen); |
| 1435 | readBytes += leftLen; |
| 1436 | } |
| 1437 | break; |
| 1438 | } |
| 1439 | } |
| 1440 | memcpy(((T_DRM_DM_Base64_Node *)(s->infoStruct))->b64DecodeData, decBuf, DRM_B64_DEC_BLOCK); |
| 1441 | |
| 1442 | return readBytes; |
| 1443 | } |
| 1444 | |
| 1445 | static int32_t drm_readBase64Content(T_DRM_Session_Node* s, int32_t offset, uint8_t* mediaBuf, int32_t mediaBufLen) |
| 1446 | { |
| 1447 | int32_t readBytes; |
| 1448 | |
| 1449 | /* when the content length has been well-known */ |
| 1450 | if (s->contentLength >= 0) |
| 1451 | readBytes = drm_readContentFromBuf(s, offset, mediaBuf, mediaBufLen); |
| 1452 | else /* else when the content length has not been well-known yet */ |
| 1453 | if (offset < ((T_DRM_DM_Base64_Node *)(s->infoStruct))->b64DecodeDataLen) |
| 1454 | if (offset + mediaBufLen <= ((T_DRM_DM_Base64_Node *)(s->infoStruct))->b64DecodeDataLen) { |
| 1455 | readBytes = mediaBufLen; |
| 1456 | memcpy(mediaBuf, s->rawContent + offset, readBytes); |
| 1457 | } else |
| 1458 | readBytes = drm_readB64ContentFromInputStream(s, offset, mediaBuf, mediaBufLen); |
| 1459 | else |
| 1460 | readBytes = drm_readB64ContentFromInputStream(s, offset, mediaBuf, mediaBufLen); |
| 1461 | |
| 1462 | return readBytes; |
| 1463 | } |
| 1464 | |
| 1465 | static int32_t drm_readBinaryContentFromInputStream(T_DRM_Session_Node* s, int32_t offset, uint8_t* mediaBuf, int32_t mediaBufLen) |
| 1466 | { |
| 1467 | int32_t res = 0, readBytes = 0; |
| 1468 | int32_t leftLen; |
| 1469 | |
| 1470 | if (s->contentOffset + offset < DRM_MAX_MALLOC_LEN) { |
| 1471 | readBytes = DRM_MAX_MALLOC_LEN - s->contentOffset - offset; |
| 1472 | memcpy(mediaBuf, s->rawContent + s->contentOffset + offset, readBytes); |
| 1473 | } else |
| 1474 | if (s->bEndData) |
| 1475 | return DRM_MEDIA_EOF; |
| 1476 | |
| 1477 | leftLen = mediaBufLen - readBytes; |
| 1478 | |
| 1479 | if (NULL != s->readBuf && s->readBufLen > 0) { /* read from backup buffer */ |
| 1480 | if (leftLen <= s->readBufLen) { |
git-you.kim72.gmail.com | fd20296 | 2012-07-30 17:06:41 +0900 | [diff] [blame] | 1481 | memcpy(mediaBuf + readBytes, s->readBuf + s->readBufOff, leftLen); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1482 | s->readBufOff += leftLen; |
| 1483 | s->readBufLen -= leftLen; |
| 1484 | readBytes += leftLen; |
| 1485 | leftLen = 0; |
| 1486 | } else { |
git-you.kim72.gmail.com | fd20296 | 2012-07-30 17:06:41 +0900 | [diff] [blame] | 1487 | memcpy(mediaBuf + readBytes, s->readBuf + s->readBufOff, s->readBufLen); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1488 | s->readBufOff += s->readBufLen; |
| 1489 | leftLen -= s->readBufLen; |
| 1490 | readBytes += s->readBufLen; |
| 1491 | s->readBufLen = 0; |
| 1492 | } |
| 1493 | } |
| 1494 | |
| 1495 | if (leftLen > 0) { |
| 1496 | res = s->readInputDataFunc(s->inputHandle, mediaBuf + readBytes, mediaBufLen - readBytes); |
| 1497 | if (-1 == res) |
| 1498 | return DRM_MEDIA_DATA_INVALID; |
| 1499 | } |
| 1500 | |
| 1501 | readBytes += res; |
| 1502 | res = drm_scanEndBoundary(mediaBuf, readBytes, ((T_DRM_DM_Binary_Node *)(s->infoStruct))->boundary); |
| 1503 | if (-1 == res) |
| 1504 | return DRM_MEDIA_DATA_INVALID; |
| 1505 | if (-2 == res) { /* may be the boundary is split */ |
| 1506 | int32_t boundaryLen, len, off, k; |
| 1507 | char* pTmp = memrchr(mediaBuf, '\r', readBytes); |
| 1508 | |
| 1509 | if (NULL == pTmp) |
| 1510 | return DRM_FAILURE; /* conflict */ |
| 1511 | |
| 1512 | boundaryLen = strlen((char *)((T_DRM_DM_Binary_Node *)(s->infoStruct))->boundary) + 2; /* 2 means: '\r''\n' */ |
| 1513 | if (NULL == s->readBuf) { |
| 1514 | s->readBuf = (uint8_t *)malloc(boundaryLen); |
| 1515 | if (NULL == s->readBuf) |
| 1516 | return DRM_FAILURE; |
| 1517 | } |
| 1518 | |
| 1519 | off = readBytes - ((uint8_t *)pTmp - mediaBuf); |
| 1520 | len = boundaryLen - off; |
| 1521 | memcpy(s->readBuf, pTmp, off); |
| 1522 | for (k = 0; k < boundaryLen - off; k++) { |
| 1523 | if (NULL != s->readBuf && s->readBufLen > 0) { /* read from backup buffer */ |
| 1524 | *(s->readBuf + k + off) = s->readBuf[s->readBufOff]; |
| 1525 | s->readBufOff++; |
| 1526 | s->readBufLen--; |
| 1527 | } else { /* read from InputStream */ |
| 1528 | if (-1 == s->readInputDataFunc(s->inputHandle, s->readBuf + k + off, 1)) |
| 1529 | return DRM_MEDIA_DATA_INVALID; |
| 1530 | } |
| 1531 | } |
| 1532 | s->readBufOff = off; |
| 1533 | s->readBufLen = len; |
| 1534 | |
| 1535 | if (0 == drm_scanEndBoundary(s->readBuf, boundaryLen, ((T_DRM_DM_Binary_Node *)(s->infoStruct))->boundary)) { |
| 1536 | readBytes = (uint8_t *)pTmp - mediaBuf; /* yes, it is the end boundary */ |
| 1537 | s->bEndData = TRUE; |
| 1538 | } |
| 1539 | } else { |
| 1540 | if (res >= 0 && res < readBytes) { |
| 1541 | readBytes = res; |
| 1542 | s->bEndData = TRUE; |
| 1543 | } |
| 1544 | } |
| 1545 | |
| 1546 | if (s->bEndData) { |
| 1547 | if (0 == readBytes) |
| 1548 | return DRM_MEDIA_EOF; |
| 1549 | } |
| 1550 | |
| 1551 | return readBytes; |
| 1552 | } |
| 1553 | |
| 1554 | static int32_t drm_readBinaryContent(T_DRM_Session_Node* s, int32_t offset, uint8_t* mediaBuf, int32_t mediaBufLen) |
| 1555 | { |
| 1556 | int32_t readBytes; |
| 1557 | |
| 1558 | if (s->contentLength >= 0) |
| 1559 | readBytes = drm_readContentFromBuf(s, offset, mediaBuf, mediaBufLen); |
| 1560 | else /* else when the content length has not been well-known yet */ |
| 1561 | if (s->contentOffset + offset < DRM_MAX_MALLOC_LEN) |
| 1562 | if (s->contentOffset + offset + mediaBufLen <= DRM_MAX_MALLOC_LEN) { |
| 1563 | readBytes = mediaBufLen; |
| 1564 | memcpy(mediaBuf, s->rawContent + s->contentOffset + offset, readBytes); |
| 1565 | } else |
| 1566 | readBytes = drm_readBinaryContentFromInputStream(s, offset, mediaBuf, mediaBufLen); |
| 1567 | else |
| 1568 | readBytes = drm_readBinaryContentFromInputStream(s, offset, mediaBuf, mediaBufLen); |
| 1569 | |
| 1570 | return readBytes; |
| 1571 | } |
| 1572 | |
| 1573 | static int32_t drm_readAesContent(T_DRM_Session_Node* s, int32_t offset, uint8_t* mediaBuf, int32_t mediaBufLen) |
| 1574 | { |
| 1575 | uint8_t keyValue[DRM_KEY_LEN]; |
| 1576 | uint8_t buf[DRM_TWO_AES_BLOCK_LEN]; |
| 1577 | int32_t readBytes = 0; |
| 1578 | int32_t bufLen, piece, i, copyBytes, leftBytes; |
| 1579 | int32_t aesStart, mediaStart, mediaBufOff; |
Chia-chi Yeh | 64e69e8 | 2009-08-06 02:28:24 +0800 | [diff] [blame] | 1580 | AES_KEY key; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1581 | |
| 1582 | if (FALSE == drm_getKey(s->contentID, keyValue)) |
| 1583 | return DRM_NO_RIGHTS; |
| 1584 | |
| 1585 | /* when the content length has been well-known */ |
| 1586 | if (s->contentLength > 0) { |
| 1587 | if (offset > s->contentLength) |
| 1588 | return DRM_FAILURE; |
| 1589 | |
| 1590 | if (offset == s->contentLength) |
| 1591 | return DRM_MEDIA_EOF; |
| 1592 | |
| 1593 | if (offset + mediaBufLen > s->contentLength) |
| 1594 | readBytes = s->contentLength - offset; |
| 1595 | else |
| 1596 | readBytes = mediaBufLen; |
| 1597 | |
| 1598 | aesStart = s->contentOffset + (offset / DRM_ONE_AES_BLOCK_LEN * DRM_ONE_AES_BLOCK_LEN); |
| 1599 | piece = (offset + readBytes - 1) / DRM_ONE_AES_BLOCK_LEN - offset / DRM_ONE_AES_BLOCK_LEN + 2; |
| 1600 | mediaStart = offset % DRM_ONE_AES_BLOCK_LEN; |
| 1601 | |
Chia-chi Yeh | 64e69e8 | 2009-08-06 02:28:24 +0800 | [diff] [blame] | 1602 | AES_set_decrypt_key(keyValue, DRM_KEY_LEN * 8, &key); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1603 | mediaBufOff = 0; |
| 1604 | leftBytes = readBytes; |
| 1605 | |
| 1606 | for (i = 0; i < piece - 1; i++) { |
| 1607 | memcpy(buf, s->rawContent + aesStart + i * DRM_ONE_AES_BLOCK_LEN, DRM_TWO_AES_BLOCK_LEN); |
| 1608 | bufLen = DRM_TWO_AES_BLOCK_LEN; |
| 1609 | |
Chia-chi Yeh | 64e69e8 | 2009-08-06 02:28:24 +0800 | [diff] [blame] | 1610 | if (drm_aesDecBuffer(buf, &bufLen, &key) < 0) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1611 | return DRM_MEDIA_DATA_INVALID; |
| 1612 | |
| 1613 | if (0 != i) |
| 1614 | mediaStart = 0; |
| 1615 | |
| 1616 | if (bufLen - mediaStart <= leftBytes) |
| 1617 | copyBytes = bufLen - mediaStart; |
| 1618 | else |
| 1619 | copyBytes = leftBytes; |
| 1620 | |
| 1621 | memcpy(mediaBuf + mediaBufOff, buf + mediaStart, copyBytes); |
| 1622 | leftBytes -= copyBytes; |
| 1623 | mediaBufOff += copyBytes; |
| 1624 | } |
| 1625 | } else { |
| 1626 | int32_t res; |
| 1627 | |
| 1628 | if (s->bEndData) |
| 1629 | return DRM_MEDIA_EOF; |
| 1630 | |
| 1631 | if (((T_DRM_Dcf_Node *)(s->infoStruct))->aesDecDataLen > ((T_DRM_Dcf_Node *)(s->infoStruct))->aesDecDataOff) { |
| 1632 | if (mediaBufLen < ((T_DRM_Dcf_Node *)(s->infoStruct))->aesDecDataLen - ((T_DRM_Dcf_Node *)(s->infoStruct))->aesDecDataOff) |
| 1633 | copyBytes = mediaBufLen; |
| 1634 | else |
| 1635 | copyBytes = ((T_DRM_Dcf_Node *)(s->infoStruct))->aesDecDataLen - ((T_DRM_Dcf_Node *)(s->infoStruct))->aesDecDataOff; |
| 1636 | |
| 1637 | memcpy(mediaBuf, ((T_DRM_Dcf_Node *)(s->infoStruct))->aesDecData + ((T_DRM_Dcf_Node *)(s->infoStruct))->aesDecDataOff, copyBytes); |
| 1638 | ((T_DRM_Dcf_Node *)(s->infoStruct))->aesDecDataOff += copyBytes; |
| 1639 | readBytes += copyBytes; |
| 1640 | } |
| 1641 | |
| 1642 | leftBytes = mediaBufLen - readBytes; |
| 1643 | if (0 == leftBytes) |
| 1644 | return readBytes; |
| 1645 | if (leftBytes < 0) |
| 1646 | return DRM_FAILURE; |
| 1647 | |
| 1648 | offset += readBytes; |
| 1649 | aesStart = s->contentOffset + (offset / DRM_ONE_AES_BLOCK_LEN * DRM_ONE_AES_BLOCK_LEN); |
| 1650 | piece = (offset + leftBytes - 1) / DRM_ONE_AES_BLOCK_LEN - offset / DRM_ONE_AES_BLOCK_LEN + 2; |
| 1651 | mediaBufOff = readBytes; |
| 1652 | |
Chia-chi Yeh | 64e69e8 | 2009-08-06 02:28:24 +0800 | [diff] [blame] | 1653 | AES_set_decrypt_key(keyValue, DRM_KEY_LEN * 8, &key); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1654 | |
| 1655 | for (i = 0; i < piece - 1; i++) { |
| 1656 | if (-1 == (res = drm_readAesData(buf, s, aesStart, DRM_TWO_AES_BLOCK_LEN))) |
| 1657 | return DRM_MEDIA_DATA_INVALID; |
| 1658 | |
| 1659 | if (-2 == res) |
| 1660 | break; |
| 1661 | |
| 1662 | bufLen = DRM_TWO_AES_BLOCK_LEN; |
| 1663 | aesStart += DRM_ONE_AES_BLOCK_LEN; |
| 1664 | |
Chia-chi Yeh | 64e69e8 | 2009-08-06 02:28:24 +0800 | [diff] [blame] | 1665 | if (drm_aesDecBuffer(buf, &bufLen, &key) < 0) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1666 | return DRM_MEDIA_DATA_INVALID; |
| 1667 | |
| 1668 | drm_discardPaddingByte(buf, &bufLen); |
| 1669 | |
| 1670 | if (bufLen <= leftBytes) |
| 1671 | copyBytes = bufLen; |
| 1672 | else |
| 1673 | copyBytes = leftBytes; |
| 1674 | |
| 1675 | memcpy(mediaBuf + mediaBufOff, buf, copyBytes); |
| 1676 | leftBytes -= copyBytes; |
| 1677 | mediaBufOff += copyBytes; |
| 1678 | readBytes += copyBytes; |
| 1679 | } |
| 1680 | |
| 1681 | memcpy(((T_DRM_Dcf_Node *)(s->infoStruct))->aesDecData, buf, DRM_ONE_AES_BLOCK_LEN); |
| 1682 | ((T_DRM_Dcf_Node *)(s->infoStruct))->aesDecDataLen = bufLen; |
| 1683 | ((T_DRM_Dcf_Node *)(s->infoStruct))->aesDecDataOff = copyBytes; |
| 1684 | |
| 1685 | if (aesStart - s->contentOffset > ((T_DRM_Dcf_Node *)(s->infoStruct))->encContentLength - DRM_TWO_AES_BLOCK_LEN && ((T_DRM_Dcf_Node *)(s->infoStruct))->aesDecDataOff == ((T_DRM_Dcf_Node *)(s->infoStruct))->aesDecDataLen) { |
| 1686 | s->bEndData = TRUE; |
| 1687 | if (0 == readBytes) |
| 1688 | return DRM_MEDIA_EOF; |
| 1689 | } |
| 1690 | } |
| 1691 | |
| 1692 | return readBytes; |
| 1693 | } |
| 1694 | |
| 1695 | /* see svc_drm.h */ |
| 1696 | int32_t SVC_drm_getContent(int32_t session, int32_t offset, uint8_t* mediaBuf, int32_t mediaBufLen) |
| 1697 | { |
| 1698 | T_DRM_Session_Node* s; |
| 1699 | int32_t readBytes; |
| 1700 | |
| 1701 | if (session < 0 || offset < 0 || NULL == mediaBuf || mediaBufLen <= 0) |
| 1702 | return DRM_FAILURE; |
| 1703 | |
| 1704 | s = getSession(session); |
| 1705 | if (NULL == s) |
| 1706 | return DRM_SESSION_NOT_OPENED; |
| 1707 | |
| 1708 | if (0 >= s->getInputDataLengthFunc(s->inputHandle)) |
| 1709 | return DRM_MEDIA_DATA_INVALID; |
| 1710 | |
| 1711 | switch(s->deliveryMethod) { |
| 1712 | case FORWARD_LOCK: |
| 1713 | case COMBINED_DELIVERY: |
| 1714 | if (DRM_MESSAGE_CODING_BASE64 == s->transferEncoding) |
| 1715 | readBytes = drm_readBase64Content(s, offset, mediaBuf, mediaBufLen); |
| 1716 | else /* binary */ |
| 1717 | readBytes = drm_readBinaryContent(s, offset, mediaBuf, mediaBufLen); |
| 1718 | break; |
| 1719 | case SEPARATE_DELIVERY: |
| 1720 | case SEPARATE_DELIVERY_FL: |
| 1721 | readBytes = drm_readAesContent(s, offset, mediaBuf, mediaBufLen); |
| 1722 | break; |
| 1723 | default: |
| 1724 | return DRM_FAILURE; |
| 1725 | } |
| 1726 | |
| 1727 | return readBytes; |
| 1728 | } |
| 1729 | |
| 1730 | /* see svc_drm.h */ |
| 1731 | int32_t SVC_drm_getRightsIssuer(int32_t session, uint8_t* rightsIssuer) |
| 1732 | { |
| 1733 | T_DRM_Session_Node* s; |
| 1734 | |
| 1735 | if (session < 0 || NULL == rightsIssuer) |
| 1736 | return DRM_FAILURE; |
| 1737 | |
| 1738 | s = getSession(session); |
| 1739 | if (NULL == s) |
| 1740 | return DRM_SESSION_NOT_OPENED; |
| 1741 | |
| 1742 | if (SEPARATE_DELIVERY == s->deliveryMethod || SEPARATE_DELIVERY_FL == s->deliveryMethod) { |
| 1743 | strcpy((char *)rightsIssuer, (char *)((T_DRM_Dcf_Node *)(s->infoStruct))->rightsIssuer); |
| 1744 | return DRM_SUCCESS; |
| 1745 | } |
| 1746 | |
| 1747 | return DRM_NOT_SD_METHOD; |
| 1748 | } |
| 1749 | |
| 1750 | /* see svc_drm.h */ |
| 1751 | int32_t SVC_drm_getRightsInfo(int32_t session, T_DRM_Rights_Info* rights) |
| 1752 | { |
| 1753 | T_DRM_Session_Node* s; |
| 1754 | T_DRM_Rights rightsInfo; |
| 1755 | int32_t roAmount, id; |
| 1756 | |
| 1757 | if (session < 0 || NULL == rights) |
| 1758 | return DRM_FAILURE; |
| 1759 | |
| 1760 | s = getSession(session); |
| 1761 | if (NULL == s) |
| 1762 | return DRM_SESSION_NOT_OPENED; |
| 1763 | |
| 1764 | if (FORWARD_LOCK == s->deliveryMethod) { |
| 1765 | strcpy((char *)rights->roId, "ForwardLock"); |
| 1766 | rights->displayRights.indicator = DRM_NO_CONSTRAINT; |
| 1767 | rights->playRights.indicator = DRM_NO_CONSTRAINT; |
| 1768 | rights->executeRights.indicator = DRM_NO_CONSTRAINT; |
| 1769 | rights->printRights.indicator = DRM_NO_CONSTRAINT; |
| 1770 | return DRM_SUCCESS; |
| 1771 | } |
| 1772 | |
| 1773 | if (FALSE == drm_readFromUidTxt(s->contentID, &id, GET_ID)) |
| 1774 | return DRM_NO_RIGHTS; |
| 1775 | |
| 1776 | if (FALSE == drm_writeOrReadInfo(id, NULL, &roAmount, GET_ROAMOUNT)) |
| 1777 | return DRM_FAILURE; |
| 1778 | |
| 1779 | if (roAmount < 0) |
| 1780 | return DRM_NO_RIGHTS; |
| 1781 | |
| 1782 | /* some rights has been installed, but now there is no valid rights */ |
| 1783 | if (0 == roAmount) { |
| 1784 | strcpy((char *)rights->roId, s->contentID); |
| 1785 | rights->displayRights.indicator = DRM_NO_PERMISSION; |
| 1786 | rights->playRights.indicator = DRM_NO_PERMISSION; |
| 1787 | rights->executeRights.indicator = DRM_NO_PERMISSION; |
| 1788 | rights->printRights.indicator = DRM_NO_PERMISSION; |
| 1789 | return DRM_SUCCESS; |
| 1790 | } |
| 1791 | |
| 1792 | roAmount = 1; |
| 1793 | memset(&rightsInfo, 0, sizeof(T_DRM_Rights)); |
| 1794 | if (FALSE == drm_writeOrReadInfo(id, &rightsInfo, &roAmount, GET_A_RO)) |
| 1795 | return DRM_FAILURE; |
| 1796 | |
| 1797 | memset(rights, 0, sizeof(T_DRM_Rights_Info)); |
| 1798 | drm_getLicenseInfo(&rightsInfo, rights); |
| 1799 | return DRM_SUCCESS; |
| 1800 | } |
| 1801 | |
| 1802 | /* see svc_drm.h */ |
| 1803 | int32_t SVC_drm_closeSession(int32_t session) |
| 1804 | { |
| 1805 | if (session < 0) |
| 1806 | return DRM_FAILURE; |
| 1807 | |
| 1808 | if (NULL == getSession(session)) |
| 1809 | return DRM_SESSION_NOT_OPENED; |
| 1810 | |
| 1811 | removeSession(session); |
| 1812 | |
| 1813 | return DRM_SUCCESS; |
| 1814 | } |
| 1815 | |
| 1816 | /* see svc_drm.h */ |
| 1817 | int32_t SVC_drm_updateRights(uint8_t* contentID, int32_t permission) |
| 1818 | { |
| 1819 | int32_t id; |
| 1820 | |
| 1821 | if (NULL == contentID) |
| 1822 | return DRM_FAILURE; |
| 1823 | |
| 1824 | if (FALSE == drm_readFromUidTxt(contentID, &id, GET_ID)) |
| 1825 | return DRM_FAILURE; |
| 1826 | |
| 1827 | return drm_checkRoAndUpdate(id, permission); |
| 1828 | } |
| 1829 | |
| 1830 | /* see svc_drm.h */ |
| 1831 | int32_t SVC_drm_viewAllRights(T_DRM_Rights_Info_Node **ppRightsInfo) |
| 1832 | { |
| 1833 | T_DRM_Rights_Info_Node rightsNode; |
| 1834 | int32_t maxId, id, roAmount, j; |
| 1835 | T_DRM_Rights rights; |
| 1836 | |
| 1837 | memset(&rights, 0, sizeof(T_DRM_Rights)); |
| 1838 | |
| 1839 | if (NULL == ppRightsInfo) |
| 1840 | return DRM_FAILURE; |
| 1841 | |
| 1842 | *ppRightsInfo = NULL; |
| 1843 | |
| 1844 | maxId = drm_getMaxIdFromUidTxt(); |
| 1845 | if (-1 == maxId) |
| 1846 | return DRM_FAILURE; |
| 1847 | |
| 1848 | for (id = 1; id <= maxId; id++) { |
| 1849 | drm_writeOrReadInfo(id, NULL, &roAmount, GET_ROAMOUNT); |
| 1850 | if (roAmount <= 0) /* this means there is not any rights */ |
| 1851 | continue; |
| 1852 | |
| 1853 | for (j = 1; j <= roAmount; j++) { |
| 1854 | if (FALSE == drm_writeOrReadInfo(id, &rights, &j, GET_A_RO)) |
| 1855 | continue; |
| 1856 | |
| 1857 | memset(&rightsNode, 0, sizeof(T_DRM_Rights_Info_Node)); |
| 1858 | |
| 1859 | drm_getLicenseInfo(&rights, &(rightsNode.roInfo)); |
| 1860 | |
| 1861 | if (FALSE == drm_addRightsNodeToList(ppRightsInfo, &rightsNode)) |
| 1862 | continue; |
| 1863 | } |
| 1864 | } |
| 1865 | return DRM_SUCCESS; |
| 1866 | } |
| 1867 | |
| 1868 | /* see svc_drm.h */ |
| 1869 | int32_t SVC_drm_freeRightsInfoList(T_DRM_Rights_Info_Node *pRightsHeader) |
| 1870 | { |
| 1871 | T_DRM_Rights_Info_Node *pNode, *pTmp; |
| 1872 | |
| 1873 | if (NULL == pRightsHeader) |
| 1874 | return DRM_FAILURE; |
| 1875 | |
| 1876 | pNode = pRightsHeader; |
| 1877 | |
| 1878 | while (NULL != pNode) { |
| 1879 | pTmp = pNode; |
| 1880 | pNode = pNode->next; |
| 1881 | free(pTmp); |
| 1882 | } |
| 1883 | return DRM_SUCCESS; |
| 1884 | } |
| 1885 | |
| 1886 | /* see svc_drm.h */ |
| 1887 | int32_t SVC_drm_deleteRights(uint8_t* roId) |
| 1888 | { |
| 1889 | int32_t maxId, id, roAmount, j; |
| 1890 | T_DRM_Rights rights; |
| 1891 | |
| 1892 | memset(&rights, 0, sizeof(T_DRM_Rights)); |
| 1893 | |
| 1894 | if (NULL == roId) |
| 1895 | return DRM_FAILURE; |
| 1896 | |
| 1897 | maxId = drm_getMaxIdFromUidTxt(); |
| 1898 | if (-1 == maxId) |
| 1899 | return DRM_NO_RIGHTS; |
| 1900 | |
| 1901 | for (id = 1; id <= maxId; id++) { |
| 1902 | drm_writeOrReadInfo(id, NULL, &roAmount, GET_ROAMOUNT); |
| 1903 | if (roAmount <= 0) /* this means there is not any rights */ |
| 1904 | continue; |
| 1905 | |
| 1906 | for (j = 1; j <= roAmount; j++) { |
| 1907 | if (FALSE == drm_writeOrReadInfo(id, &rights, &j, GET_A_RO)) |
| 1908 | continue; |
| 1909 | |
| 1910 | /* here find the RO which will be deleted */ |
| 1911 | if (0 == strcmp((char *)rights.uid, (char *)roId)) { |
| 1912 | T_DRM_Rights *pAllRights; |
| 1913 | |
| 1914 | pAllRights = (T_DRM_Rights *)malloc(roAmount * sizeof(T_DRM_Rights)); |
| 1915 | if (NULL == pAllRights) |
| 1916 | return DRM_FAILURE; |
| 1917 | |
| 1918 | drm_writeOrReadInfo(id, pAllRights, &roAmount, GET_ALL_RO); |
| 1919 | roAmount--; |
| 1920 | if (0 == roAmount) { /* this means it is the last one rights */ |
| 1921 | drm_removeIdInfoFile(id); /* delete the id.info file first */ |
| 1922 | drm_updateUidTxtWhenDelete(id); /* update uid.txt file */ |
| 1923 | free(pAllRights); |
| 1924 | return DRM_SUCCESS; |
| 1925 | } else /* using the last one rights instead of the deleted one */ |
| 1926 | memcpy(pAllRights + (j - 1), pAllRights + roAmount, sizeof(T_DRM_Rights)); |
| 1927 | |
| 1928 | /* delete the id.info file first */ |
| 1929 | // drm_removeIdInfoFile(id); |
| 1930 | |
| 1931 | if (FALSE == drm_writeOrReadInfo(id, pAllRights, &roAmount, SAVE_ALL_RO)) { |
| 1932 | free(pAllRights); |
| 1933 | return DRM_FAILURE; |
| 1934 | } |
| 1935 | |
| 1936 | free(pAllRights); |
| 1937 | return DRM_SUCCESS; |
| 1938 | } |
| 1939 | } |
| 1940 | } |
| 1941 | |
| 1942 | return DRM_FAILURE; |
| 1943 | } |