1 /* 2 * Copyright 2011 Tresys Technology, LLC. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * 1. Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY TRESYS TECHNOLOGY, LLC ``AS IS'' AND ANY EXPRESS 15 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 17 * EVENT SHALL TRESYS TECHNOLOGY, LLC OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 21 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 22 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 23 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * The views and conclusions contained in the software and documentation are those 26 * of the authors and should not be interpreted as representing official policies, 27 * either expressed or implied, of Tresys Technology, LLC. 28 */ 29 30 #include <stdlib.h> 31 #include <stdio.h> 32 #include <string.h> 33 34 #include "cil_internal.h" 35 #include "cil_log.h" 36 #include "cil_mem.h" 37 #include "cil_tree.h" 38 #include "cil_list.h" 39 #include "cil_symtab.h" 40 #include "cil_copy_ast.h" 41 #include "cil_build_ast.h" 42 #include "cil_strpool.h" 43 44 struct cil_args_copy { 45 struct cil_tree_node *dest; 46 struct cil_db *db; 47 }; 48 49 void cil_copy_list(struct cil_list *data, struct cil_list **copy) 50 { 51 struct cil_list *new; 52 struct cil_list_item *orig_item; 53 54 cil_list_init(&new, data->flavor); 55 56 cil_list_for_each(orig_item, data) { 57 switch (orig_item->flavor) { 58 case CIL_STRING: 59 cil_list_append(new, CIL_STRING, orig_item->data); 60 break; 61 case CIL_LIST: { 62 struct cil_list *new_sub = NULL; 63 cil_copy_list((struct cil_list*)orig_item->data, &new_sub); 64 cil_list_append(new, CIL_LIST, new_sub); 65 break; 66 } 67 case CIL_PARAM: { 68 struct cil_param *po = orig_item->data; 69 struct cil_param *pn; 70 cil_param_init(&pn); 71 pn->str = po->str; 72 pn->flavor = po->flavor; 73 cil_list_append(new, CIL_PARAM, pn); 74 } 75 break; 76 77 default: 78 cil_list_append(new, orig_item->flavor, orig_item->data); 79 break; 80 } 81 } 82 83 *copy = new; 84 } 85 86 int cil_copy_node(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 87 { 88 char *new = NULL; 89 90 if (data != NULL) { 91 new = data; 92 } 93 *copy = new; 94 95 return SEPOL_OK; 96 } 97 98 int cil_copy_block(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 99 { 100 struct cil_block *orig = data; 101 char *key = orig->datum.name; 102 struct cil_symtab_datum *datum = NULL; 103 104 cil_symtab_get_datum(symtab, key, &datum); 105 if (datum == NULL) { 106 struct cil_block *new; 107 cil_block_init(&new); 108 *copy = new; 109 } else { 110 *copy = datum;; 111 } 112 113 return SEPOL_OK; 114 } 115 116 int cil_copy_blockabstract(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 117 { 118 struct cil_blockabstract *orig = data; 119 struct cil_blockabstract *new = NULL; 120 121 cil_blockabstract_init(&new); 122 123 new->block_str = orig->block_str; 124 125 *copy = new; 126 127 return SEPOL_OK; 128 } 129 130 int cil_copy_blockinherit(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 131 { 132 struct cil_blockinherit *orig = data; 133 struct cil_blockinherit *new = NULL; 134 135 cil_blockinherit_init(&new); 136 137 new->block_str = orig->block_str; 138 new->block = orig->block; 139 140 *copy = new; 141 142 return SEPOL_OK; 143 } 144 145 int cil_copy_policycap(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 146 { 147 struct cil_policycap *orig = data; 148 char *key = orig->datum.name; 149 struct cil_symtab_datum *datum = NULL; 150 151 cil_symtab_get_datum(symtab, key, &datum); 152 if (datum == NULL) { 153 struct cil_policycap *new; 154 cil_policycap_init(&new); 155 *copy = new; 156 } else { 157 *copy = datum; 158 } 159 160 return SEPOL_OK; 161 } 162 163 int cil_copy_perm(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 164 { 165 struct cil_perm *orig = data; 166 char *key = orig->datum.name; 167 struct cil_symtab_datum *datum = NULL; 168 169 cil_symtab_get_datum(symtab, key, &datum); 170 if (datum == NULL) { 171 struct cil_perm *new; 172 cil_perm_init(&new); 173 *copy = new; 174 } else { 175 *copy = datum; 176 } 177 178 return SEPOL_OK; 179 } 180 181 void cil_copy_classperms(struct cil_classperms *orig, struct cil_classperms **new) 182 { 183 cil_classperms_init(new); 184 (*new)->class_str = orig->class_str; 185 cil_copy_list(orig->perm_strs, &((*new)->perm_strs)); 186 } 187 188 void cil_copy_classperms_set(struct cil_classperms_set *orig, struct cil_classperms_set **new) 189 { 190 cil_classperms_set_init(new); 191 (*new)->set_str = orig->set_str; 192 } 193 194 void cil_copy_classperms_list(struct cil_list *orig, struct cil_list **new) 195 { 196 struct cil_list_item *orig_item; 197 198 if (orig == NULL) { 199 return; 200 } 201 202 cil_list_init(new, CIL_LIST_ITEM); 203 cil_list_for_each(orig_item, orig) { 204 if (orig_item->flavor == CIL_CLASSPERMS) { 205 struct cil_classperms *cp; 206 cil_copy_classperms(orig_item->data, &cp); 207 cil_list_append(*new, CIL_CLASSPERMS, cp); 208 } else { 209 struct cil_classperms_set *cp_set; 210 cil_copy_classperms_set(orig_item->data, &cp_set); 211 cil_list_append(*new, CIL_CLASSPERMS_SET, cp_set); 212 } 213 } 214 } 215 216 int cil_copy_classmapping(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 217 { 218 struct cil_classmapping *orig = data; 219 struct cil_classmapping *new = NULL; 220 221 cil_classmapping_init(&new); 222 223 new->map_class_str = orig->map_class_str; 224 new->map_perm_str = orig->map_perm_str; 225 226 cil_copy_classperms_list(orig->classperms, &new->classperms); 227 228 *copy = new; 229 230 return SEPOL_OK; 231 } 232 233 int cil_copy_class(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 234 { 235 struct cil_class *orig = data; 236 struct cil_class *new = NULL; 237 char *key = orig->datum.name; 238 struct cil_symtab_datum *datum = NULL; 239 240 cil_symtab_get_datum(symtab, key, &datum); 241 if (datum != NULL) { 242 cil_log(CIL_INFO, "cil_copy_class: class cannot be redefined\n"); 243 return SEPOL_ERR; 244 } 245 246 cil_class_init(&new); 247 248 new->common = NULL; 249 250 *copy = new; 251 252 return SEPOL_OK; 253 } 254 255 int cil_copy_classorder(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 256 { 257 struct cil_classorder *orig = data; 258 struct cil_classorder *new = NULL; 259 260 cil_classorder_init(&new); 261 if (orig->class_list_str != NULL) { 262 cil_copy_list(orig->class_list_str, &new->class_list_str); 263 } 264 265 *copy = new; 266 267 return SEPOL_OK; 268 } 269 270 int cil_copy_classpermission(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 271 { 272 struct cil_classpermission *orig = data; 273 struct cil_classpermission *new = NULL; 274 char *key = orig->datum.name; 275 struct cil_symtab_datum *datum = NULL; 276 277 if (key != NULL) { 278 cil_symtab_get_datum(symtab, key, &datum); 279 if (datum != NULL) { 280 cil_log(CIL_INFO, "classpermission cannot be redefined\n"); 281 return SEPOL_ERR; 282 } 283 } 284 285 cil_copy_classperms_list(orig->classperms, &new->classperms); 286 287 *copy = new; 288 289 return SEPOL_OK; 290 } 291 292 int cil_copy_classpermissionset(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 293 { 294 struct cil_classpermissionset *orig = data; 295 struct cil_classpermissionset *new = NULL; 296 297 new->set_str = orig->set_str; 298 299 cil_copy_classperms_list(orig->classperms, &new->classperms); 300 301 *copy = new; 302 303 return SEPOL_OK; 304 } 305 306 int cil_copy_classcommon(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 307 { 308 struct cil_classcommon *orig = data; 309 struct cil_classcommon *new = NULL; 310 311 cil_classcommon_init(&new); 312 313 new->class_str = orig->class_str; 314 new->common_str = orig->common_str; 315 316 *copy = new; 317 318 return SEPOL_OK; 319 } 320 321 int cil_copy_sid(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 322 { 323 struct cil_sid *orig = data; 324 char *key = orig->datum.name; 325 struct cil_symtab_datum *datum = NULL; 326 327 cil_symtab_get_datum(symtab, key, &datum); 328 if (datum == NULL) { 329 struct cil_sid *new; 330 cil_sid_init(&new); 331 *copy = new; 332 } else { 333 *copy = datum; 334 } 335 336 return SEPOL_OK; 337 } 338 339 int cil_copy_sidcontext(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 340 { 341 struct cil_sidcontext *orig = data; 342 struct cil_sidcontext *new = NULL; 343 344 cil_sidcontext_init(&new); 345 346 if (orig->context_str != NULL) { 347 new->context_str = orig->context_str; 348 } else { 349 cil_context_init(&new->context); 350 cil_copy_fill_context(db, orig->context, new->context); 351 } 352 353 *copy = new; 354 355 return SEPOL_OK; 356 } 357 358 int cil_copy_sidorder(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 359 { 360 struct cil_sidorder *orig = data; 361 struct cil_sidorder *new = NULL; 362 363 cil_sidorder_init(&new); 364 if (orig->sid_list_str != NULL) { 365 cil_copy_list(orig->sid_list_str, &new->sid_list_str); 366 } 367 368 *copy = new; 369 370 return SEPOL_OK; 371 } 372 373 int cil_copy_user(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 374 { 375 struct cil_user *orig = data; 376 char *key = orig->datum.name; 377 struct cil_symtab_datum *datum = NULL; 378 379 cil_symtab_get_datum(symtab, key, &datum); 380 if (datum == NULL) { 381 struct cil_user *new; 382 cil_user_init(&new); 383 *copy = new; 384 } else { 385 *copy = datum; 386 } 387 388 return SEPOL_OK; 389 } 390 391 int cil_copy_userrole(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 392 { 393 struct cil_userrole *orig = data; 394 struct cil_userrole *new = NULL; 395 396 cil_userrole_init(&new); 397 398 new->user_str = orig->user_str; 399 new->role_str = orig->role_str; 400 401 *copy = new; 402 403 return SEPOL_OK; 404 } 405 406 int cil_copy_userlevel(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 407 { 408 struct cil_userlevel *orig = data; 409 struct cil_userlevel *new = NULL; 410 411 cil_userlevel_init(&new); 412 413 new->user_str = orig->user_str; 414 415 if (orig->level_str != NULL) { 416 new->level_str = orig->level_str; 417 } else { 418 cil_copy_fill_level(db, orig->level, &new->level); 419 } 420 421 *copy = new; 422 423 return SEPOL_OK; 424 } 425 426 int cil_copy_userrange(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 427 { 428 struct cil_userrange *orig = data; 429 struct cil_userrange *new = NULL; 430 431 cil_userrange_init(&new); 432 433 new->user_str = orig->user_str; 434 435 if (orig->range_str != NULL) { 436 new->range_str = orig->range_str; 437 } else { 438 cil_levelrange_init(&new->range); 439 cil_copy_fill_levelrange(db, orig->range, new->range); 440 } 441 442 *copy = new; 443 444 return SEPOL_OK; 445 } 446 447 int cil_copy_userprefix(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 448 { 449 struct cil_userprefix *orig = data; 450 struct cil_userprefix *new = NULL; 451 452 cil_userprefix_init(&new); 453 454 new->user_str = orig->user_str; 455 new->prefix_str = orig->prefix_str; 456 457 *copy = new; 458 459 return SEPOL_OK; 460 } 461 462 int cil_copy_role(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 463 { 464 struct cil_role *orig = data; 465 char *key = orig->datum.name; 466 struct cil_symtab_datum *datum = NULL; 467 468 cil_symtab_get_datum(symtab, key, &datum); 469 if (datum == NULL) { 470 struct cil_role *new; 471 cil_role_init(&new); 472 *copy = new; 473 } else { 474 *copy = datum; 475 } 476 477 return SEPOL_OK; 478 } 479 480 int cil_copy_roletype(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 481 { 482 struct cil_roletype *orig = data; 483 struct cil_roletype *new = NULL; 484 485 cil_roletype_init(&new); 486 487 new->role_str = orig->role_str; 488 new->type_str = orig->type_str; 489 490 *copy = new; 491 492 return SEPOL_OK; 493 } 494 495 int cil_copy_roleattribute(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 496 { 497 struct cil_roleattribute *orig = data; 498 char *key = orig->datum.name; 499 struct cil_symtab_datum *datum = NULL; 500 501 cil_symtab_get_datum(symtab, key, &datum); 502 if (datum == NULL) { 503 struct cil_roleattribute *new; 504 cil_roleattribute_init(&new); 505 *copy = new; 506 } else { 507 *copy = datum; 508 } 509 510 return SEPOL_OK; 511 } 512 513 int cil_copy_roleattributeset(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 514 { 515 struct cil_roleattributeset *orig = data; 516 struct cil_roleattributeset *new = NULL; 517 518 cil_roleattributeset_init(&new); 519 520 new->attr_str = orig->attr_str; 521 522 cil_copy_expr(db, orig->str_expr, &new->str_expr); 523 cil_copy_expr(db, orig->datum_expr, &new->datum_expr); 524 525 *copy = new; 526 527 return SEPOL_OK; 528 } 529 530 int cil_copy_roleallow(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 531 { 532 struct cil_roleallow *orig = data; 533 struct cil_roleallow *new = NULL; 534 535 cil_roleallow_init(&new); 536 537 new->src_str = orig->src_str; 538 new->tgt_str = orig->tgt_str; 539 540 *copy = new; 541 542 return SEPOL_OK; 543 } 544 545 int cil_copy_type(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 546 { 547 struct cil_type *orig = data; 548 char *key = orig->datum.name; 549 struct cil_symtab_datum *datum = NULL; 550 551 cil_symtab_get_datum(symtab, key, &datum); 552 if (datum == NULL) { 553 struct cil_type *new; 554 cil_type_init(&new); 555 *copy = new; 556 } else { 557 *copy = datum; 558 } 559 560 return SEPOL_OK; 561 } 562 563 int cil_copy_typepermissive(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 564 { 565 struct cil_typepermissive *orig = data; 566 struct cil_typepermissive *new = NULL; 567 568 cil_typepermissive_init(&new); 569 570 new->type_str = orig->type_str; 571 572 *copy = new; 573 574 return SEPOL_OK; 575 } 576 577 int cil_copy_typeattribute(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 578 { 579 struct cil_typeattribute *orig = data; 580 char *key = orig->datum.name; 581 struct cil_symtab_datum *datum = NULL; 582 583 cil_symtab_get_datum(symtab, key, &datum); 584 if (datum == NULL) { 585 struct cil_typeattribute *new; 586 cil_typeattribute_init(&new); 587 *copy = new; 588 } else { 589 *copy = datum; 590 } 591 592 return SEPOL_OK; 593 } 594 595 int cil_copy_typeattributeset(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 596 { 597 struct cil_typeattributeset *orig = data; 598 struct cil_typeattributeset *new = NULL; 599 600 cil_typeattributeset_init(&new); 601 602 new->attr_str = orig->attr_str; 603 604 cil_copy_expr(db, orig->str_expr, &new->str_expr); 605 cil_copy_expr(db, orig->datum_expr, &new->datum_expr); 606 607 *copy = new; 608 609 return SEPOL_OK; 610 } 611 612 int cil_copy_alias(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 613 { 614 struct cil_alias *orig = data; 615 struct cil_alias *new = NULL; 616 char *key = orig->datum.name; 617 struct cil_symtab_datum *datum = NULL; 618 619 cil_symtab_get_datum(symtab, key, &datum); 620 if (datum != NULL) { 621 cil_log(CIL_INFO, "cil_copy_alias: alias cannot be redefined\n"); 622 return SEPOL_ERR; 623 } 624 625 cil_alias_init(&new); 626 627 *copy = new; 628 629 return SEPOL_OK; 630 } 631 632 int cil_copy_aliasactual(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused))symtab_t *symtab) 633 { 634 struct cil_aliasactual *orig = data; 635 struct cil_aliasactual *new = NULL; 636 637 cil_aliasactual_init(&new); 638 639 new->alias_str = orig->alias_str; 640 new->actual_str = orig->actual_str; 641 642 *copy = new; 643 644 return SEPOL_OK; 645 } 646 647 int cil_copy_roletransition(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 648 { 649 struct cil_roletransition *orig = data; 650 struct cil_roletransition *new = NULL; 651 652 cil_roletransition_init(&new); 653 654 new->src_str = orig->src_str; 655 new->tgt_str = orig->tgt_str; 656 new->obj_str = orig->obj_str; 657 new->result_str = orig->result_str; 658 659 *copy = new; 660 661 return SEPOL_OK; 662 } 663 664 int cil_copy_nametypetransition(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 665 { 666 struct cil_nametypetransition *orig = data; 667 struct cil_nametypetransition *new = NULL; 668 669 cil_nametypetransition_init(&new); 670 671 new->src_str = orig->src_str; 672 new->tgt_str = orig->tgt_str; 673 new->obj_str = orig->obj_str; 674 new->name_str = orig->name_str; 675 new->result_str = orig->result_str; 676 677 678 *copy = new; 679 680 return SEPOL_OK; 681 } 682 683 int cil_copy_rangetransition(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 684 { 685 struct cil_rangetransition *orig = data; 686 struct cil_rangetransition *new = NULL; 687 688 cil_rangetransition_init(&new); 689 690 new->src_str = orig->src_str; 691 new->exec_str = orig->exec_str; 692 new->obj_str = orig->obj_str; 693 694 if (orig->range_str != NULL) { 695 new->range_str = orig->range_str; 696 } else { 697 cil_levelrange_init(&new->range); 698 cil_copy_fill_levelrange(db, orig->range, new->range); 699 } 700 701 *copy = new; 702 703 return SEPOL_OK; 704 } 705 706 int cil_copy_bool(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 707 { 708 struct cil_bool *orig = data; 709 struct cil_bool *new = NULL; 710 char *key = orig->datum.name; 711 struct cil_symtab_datum *datum = NULL; 712 713 cil_symtab_get_datum(symtab, key, &datum); 714 if (datum != NULL) { 715 cil_log(CIL_INFO, "cil_copy_bool: boolean cannot be redefined\n"); 716 return SEPOL_ERR; 717 } 718 719 cil_bool_init(&new); 720 new->value = orig->value; 721 *copy = new; 722 723 return SEPOL_OK; 724 } 725 726 int cil_copy_tunable(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 727 { 728 struct cil_tunable *orig = data; 729 struct cil_tunable *new = NULL; 730 char *key = orig->datum.name; 731 struct cil_symtab_datum *datum = NULL; 732 733 cil_symtab_get_datum(symtab, key, &datum); 734 if (datum != NULL) { 735 cil_log(CIL_INFO, "cil_copy_tunable: tunable cannot be redefined\n"); 736 return SEPOL_ERR; 737 } 738 739 cil_tunable_init(&new); 740 new->value = orig->value; 741 *copy = new; 742 743 return SEPOL_OK; 744 } 745 746 int cil_copy_avrule(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 747 { 748 struct cil_avrule *orig = data; 749 struct cil_avrule *new = NULL; 750 751 cil_avrule_init(&new); 752 753 new->rule_kind = orig->rule_kind; 754 new->src_str = orig->src_str; 755 new->tgt_str = orig->tgt_str; 756 cil_copy_classperms_list(orig->classperms, &new->classperms); 757 758 *copy = new; 759 760 return SEPOL_OK; 761 } 762 763 int cil_copy_type_rule(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 764 { 765 struct cil_type_rule *orig = data; 766 struct cil_type_rule *new = NULL; 767 768 cil_type_rule_init(&new); 769 770 new->rule_kind = orig->rule_kind; 771 new->src_str = orig->src_str; 772 new->tgt_str = orig->tgt_str; 773 new->obj_str = orig->obj_str; 774 new->result_str = orig->result_str; 775 776 *copy = new; 777 778 return SEPOL_OK; 779 } 780 781 int cil_copy_sens(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 782 { 783 struct cil_sens *orig = data; 784 char *key = orig->datum.name; 785 struct cil_symtab_datum *datum = NULL; 786 787 cil_symtab_get_datum(symtab, key, &datum); 788 if (datum == NULL) { 789 struct cil_sens *new; 790 cil_sens_init(&new); 791 *copy = new; 792 } else { 793 *copy = datum; 794 } 795 796 return SEPOL_OK; 797 } 798 799 int cil_copy_cat(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 800 { 801 struct cil_cat *orig = data; 802 char *key = orig->datum.name; 803 struct cil_symtab_datum *datum = NULL; 804 805 cil_symtab_get_datum(symtab, key, &datum); 806 if (datum == NULL) { 807 struct cil_cat *new; 808 cil_cat_init(&new); 809 *copy = new; 810 } else { 811 *copy = datum; 812 } 813 814 return SEPOL_OK; 815 } 816 817 void cil_copy_cats(struct cil_db *db, struct cil_cats *orig, struct cil_cats **new) 818 { 819 cil_cats_init(new); 820 cil_copy_expr(db, orig->str_expr, &(*new)->str_expr); 821 cil_copy_expr(db, orig->datum_expr, &(*new)->datum_expr); 822 } 823 824 int cil_copy_catset(struct cil_db *db, void *data, void **copy, symtab_t *symtab) 825 { 826 struct cil_catset *orig = data; 827 struct cil_catset *new = NULL; 828 char *key = orig->datum.name; 829 struct cil_symtab_datum *datum = NULL; 830 831 cil_symtab_get_datum(symtab, key, &datum); 832 if (datum != NULL) { 833 cil_log(CIL_INFO, "cil_copy_catset: categoryset cannot be redefined\n"); 834 return SEPOL_ERR; 835 } 836 837 cil_catset_init(&new); 838 839 cil_copy_cats(db, orig->cats, &new->cats); 840 841 *copy = new; 842 843 return SEPOL_OK; 844 } 845 846 int cil_copy_senscat(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 847 { 848 struct cil_senscat *orig = data; 849 struct cil_senscat *new = NULL; 850 851 cil_senscat_init(&new); 852 853 new->sens_str = orig->sens_str; 854 855 cil_copy_cats(db, orig->cats, &new->cats); 856 857 *copy = new; 858 859 return SEPOL_OK; 860 } 861 862 int cil_copy_catorder(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 863 { 864 struct cil_catorder *orig = data; 865 struct cil_catorder *new = NULL; 866 867 cil_catorder_init(&new); 868 if (orig->cat_list_str != NULL) { 869 cil_copy_list(orig->cat_list_str, &new->cat_list_str); 870 } 871 872 *copy = new; 873 874 return SEPOL_OK; 875 } 876 877 int cil_copy_sensitivityorder(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 878 { 879 struct cil_sensorder *orig = data; 880 struct cil_sensorder *new = NULL; 881 882 cil_sensorder_init(&new); 883 if (orig->sens_list_str != NULL) { 884 cil_copy_list(orig->sens_list_str, &new->sens_list_str); 885 } 886 887 *copy = new; 888 889 return SEPOL_OK; 890 } 891 892 void cil_copy_fill_level(struct cil_db *db, struct cil_level *orig, struct cil_level **new) 893 { 894 cil_level_init(new); 895 896 (*new)->sens_str = orig->sens_str; 897 898 if (orig->cats != NULL) { 899 cil_copy_cats(db, orig->cats, &(*new)->cats); 900 } 901 } 902 903 int cil_copy_level(struct cil_db *db, void *data, void **copy, symtab_t *symtab) 904 { 905 struct cil_level *orig = data; 906 struct cil_level *new = NULL; 907 char *key = orig->datum.name; 908 struct cil_symtab_datum *datum = NULL; 909 910 if (key != NULL) { 911 cil_symtab_get_datum(symtab, key, &datum); 912 if (datum != NULL) { 913 cil_log(CIL_INFO, "cil_copy_level: level cannot be redefined\n"); 914 return SEPOL_ERR; 915 } 916 } 917 918 cil_copy_fill_level(db, orig, &new); 919 920 *copy = new; 921 922 return SEPOL_OK; 923 } 924 925 void cil_copy_fill_levelrange(struct cil_db *db, struct cil_levelrange *data, struct cil_levelrange *new) 926 { 927 if (data->low_str != NULL) { 928 new->low_str = data->low_str; 929 } else { 930 cil_copy_fill_level(db, data->low, &new->low); 931 } 932 933 if (data->high_str != NULL) { 934 new->high_str = data->high_str; 935 } else { 936 cil_copy_fill_level(db, data->high, &new->high); 937 } 938 } 939 940 int cil_copy_levelrange(struct cil_db *db, void *data, void **copy, symtab_t *symtab) 941 { 942 struct cil_levelrange *orig = data; 943 struct cil_levelrange *new = NULL; 944 char *key = orig->datum.name; 945 struct cil_symtab_datum *datum = NULL; 946 947 if (key != NULL) { 948 cil_symtab_get_datum(symtab, key, &datum); 949 if (datum != NULL) { 950 cil_log(CIL_INFO, "cil_copy_levelrange: levelrange cannot be redefined\n"); 951 return SEPOL_ERR; 952 } 953 } 954 955 cil_levelrange_init(&new); 956 cil_copy_fill_levelrange(db, orig, new); 957 958 *copy = new; 959 960 return SEPOL_OK; 961 } 962 963 void cil_copy_fill_context(struct cil_db *db, struct cil_context *data, struct cil_context *new) 964 { 965 new->user_str = data->user_str; 966 new->role_str = data->role_str; 967 new->type_str = data->type_str; 968 969 if (data->range_str != NULL) { 970 new->range_str = data->range_str; 971 } else { 972 cil_levelrange_init(&new->range); 973 cil_copy_fill_levelrange(db, data->range, new->range); 974 } 975 } 976 977 int cil_copy_context(struct cil_db *db, void *data, void **copy, symtab_t *symtab) 978 { 979 struct cil_context *orig = data; 980 struct cil_context *new = NULL; 981 char *key = orig->datum.name; 982 struct cil_symtab_datum *datum = NULL; 983 984 if (key != NULL) { 985 cil_symtab_get_datum(symtab, key, &datum); 986 if (datum != NULL) { 987 cil_log(CIL_INFO, "cil_copy_context: context cannot be redefined\n"); 988 return SEPOL_ERR; 989 } 990 } 991 992 cil_context_init(&new); 993 cil_copy_fill_context(db, orig, new); 994 995 *copy = new; 996 997 return SEPOL_OK; 998 } 999 1000 int cil_copy_netifcon(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1001 { 1002 struct cil_netifcon *orig = data; 1003 struct cil_netifcon *new = NULL; 1004 1005 cil_netifcon_init(&new); 1006 1007 new->interface_str = orig->interface_str; 1008 1009 if (orig->if_context_str != NULL) { 1010 new->if_context_str = orig->if_context_str; 1011 } else { 1012 cil_context_init(&new->if_context); 1013 cil_copy_fill_context(db, orig->if_context, new->if_context); 1014 } 1015 1016 if (orig->packet_context_str != NULL) { 1017 new->packet_context_str = orig->packet_context_str; 1018 } else { 1019 cil_context_init(&new->packet_context); 1020 cil_copy_fill_context(db, orig->packet_context, new->packet_context); 1021 } 1022 1023 *copy = new; 1024 1025 return SEPOL_OK; 1026 } 1027 1028 int cil_copy_genfscon(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1029 { 1030 struct cil_genfscon *orig = data; 1031 struct cil_genfscon *new = NULL; 1032 1033 cil_genfscon_init(&new); 1034 1035 new->fs_str = orig->fs_str; 1036 new->path_str = orig->path_str; 1037 1038 if (orig->context_str != NULL) { 1039 new->context_str = orig->context_str; 1040 } else { 1041 cil_context_init(&new->context); 1042 cil_copy_fill_context(db, orig->context, new->context); 1043 } 1044 1045 *copy = new; 1046 1047 return SEPOL_OK; 1048 } 1049 1050 int cil_copy_filecon(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1051 { 1052 struct cil_filecon *orig = data; 1053 struct cil_filecon *new = NULL; 1054 1055 cil_filecon_init(&new); 1056 1057 new->path_str = orig->path_str; 1058 new->type = orig->type; 1059 1060 if (orig->context_str != NULL) { 1061 new->context_str = orig->context_str; 1062 } else if (orig->context != NULL) { 1063 cil_context_init(&new->context); 1064 cil_copy_fill_context(db, orig->context, new->context); 1065 } 1066 1067 *copy = new; 1068 1069 return SEPOL_OK; 1070 } 1071 1072 int cil_copy_nodecon(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1073 { 1074 struct cil_nodecon *orig = data; 1075 struct cil_nodecon *new = NULL; 1076 1077 cil_nodecon_init(&new); 1078 1079 if (orig->addr_str != NULL) { 1080 new->addr_str = orig->addr_str; 1081 } else { 1082 cil_ipaddr_init(&new->addr); 1083 cil_copy_fill_ipaddr(orig->addr, new->addr); 1084 } 1085 1086 if (orig->mask_str != NULL) { 1087 new->mask_str = orig->mask_str; 1088 } else { 1089 cil_ipaddr_init(&new->mask); 1090 cil_copy_fill_ipaddr(orig->mask, new->mask); 1091 } 1092 1093 if (orig->context_str != NULL) { 1094 new->context_str = orig->context_str; 1095 } else { 1096 cil_context_init(&new->context); 1097 cil_copy_fill_context(db, orig->context, new->context); 1098 } 1099 1100 *copy = new; 1101 1102 return SEPOL_OK; 1103 } 1104 1105 int cil_copy_portcon(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1106 { 1107 struct cil_portcon *orig = data; 1108 struct cil_portcon *new = NULL; 1109 1110 cil_portcon_init(&new); 1111 1112 new->proto = orig->proto; 1113 new->port_low = orig->port_low; 1114 new->port_high = orig->port_high; 1115 1116 if (orig->context_str != NULL) { 1117 new->context_str = orig->context_str; 1118 } else { 1119 cil_context_init(&new->context); 1120 cil_copy_fill_context(db, orig->context, new->context); 1121 } 1122 1123 *copy = new; 1124 1125 return SEPOL_OK; 1126 } 1127 1128 int cil_copy_pirqcon(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1129 { 1130 struct cil_pirqcon *orig = data; 1131 struct cil_pirqcon *new = NULL; 1132 1133 cil_pirqcon_init(&new); 1134 1135 new->pirq = orig->pirq; 1136 1137 if (orig->context_str != NULL) { 1138 new->context_str = orig->context_str; 1139 } else { 1140 cil_context_init(&new->context); 1141 cil_copy_fill_context(db, orig->context, new->context); 1142 } 1143 1144 *copy = new; 1145 1146 return SEPOL_OK; 1147 } 1148 1149 int cil_copy_iomemcon(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1150 { 1151 struct cil_iomemcon *orig = data; 1152 struct cil_iomemcon *new = NULL; 1153 1154 cil_iomemcon_init(&new); 1155 1156 new->iomem_low = orig->iomem_low; 1157 new->iomem_high = orig->iomem_high; 1158 1159 if (orig->context_str != NULL) { 1160 new->context_str = orig->context_str; 1161 } else { 1162 cil_context_init(&new->context); 1163 cil_copy_fill_context(db, orig->context, new->context); 1164 } 1165 1166 *copy = new; 1167 1168 return SEPOL_OK; 1169 } 1170 1171 int cil_copy_ioportcon(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1172 { 1173 struct cil_ioportcon *orig = data; 1174 struct cil_ioportcon *new = NULL; 1175 1176 cil_ioportcon_init(&new); 1177 1178 new->ioport_low = orig->ioport_low; 1179 new->ioport_high = orig->ioport_high; 1180 1181 if (orig->context_str != NULL) { 1182 new->context_str = orig->context_str; 1183 } else { 1184 cil_context_init(&new->context); 1185 cil_copy_fill_context(db, orig->context, new->context); 1186 } 1187 1188 *copy = new; 1189 1190 return SEPOL_OK; 1191 } 1192 1193 int cil_copy_pcidevicecon(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1194 { 1195 struct cil_pcidevicecon *orig = data; 1196 struct cil_pcidevicecon *new = NULL; 1197 1198 cil_pcidevicecon_init(&new); 1199 1200 new->dev = orig->dev; 1201 1202 if (orig->context_str != NULL) { 1203 new->context_str = orig->context_str; 1204 } else { 1205 cil_context_init(&new->context); 1206 cil_copy_fill_context(db, orig->context, new->context); 1207 } 1208 1209 *copy = new; 1210 1211 return SEPOL_OK; 1212 } 1213 1214 int cil_copy_devicetreecon(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1215 { 1216 struct cil_devicetreecon *orig = data; 1217 struct cil_devicetreecon *new = NULL; 1218 1219 cil_devicetreecon_init(&new); 1220 1221 new->path = orig->path; 1222 1223 if (orig->context_str != NULL) { 1224 new->context_str = orig->context_str; 1225 } else { 1226 cil_context_init(&new->context); 1227 cil_copy_fill_context(db, orig->context, new->context); 1228 } 1229 1230 *copy = new; 1231 1232 return SEPOL_OK; 1233 } 1234 1235 int cil_copy_fsuse(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1236 { 1237 struct cil_fsuse *orig = data; 1238 struct cil_fsuse *new = NULL; 1239 1240 cil_fsuse_init(&new); 1241 1242 new->type = orig->type; 1243 new->fs_str = orig->fs_str; 1244 1245 if (orig->context_str != NULL) { 1246 new->context_str = orig->context_str; 1247 } else { 1248 cil_context_init(&new->context); 1249 cil_copy_fill_context(db, orig->context, new->context); 1250 } 1251 1252 *copy = new; 1253 1254 return SEPOL_OK; 1255 } 1256 1257 int cil_copy_expr(struct cil_db *db, struct cil_list *orig, struct cil_list **new) 1258 { 1259 struct cil_list_item *curr; 1260 1261 if (orig == NULL) { 1262 *new = NULL; 1263 return SEPOL_OK; 1264 } 1265 1266 cil_list_init(new, orig->flavor); 1267 1268 cil_list_for_each(curr, orig) { 1269 switch (curr->flavor) { 1270 case CIL_LIST: { 1271 struct cil_list *sub_list; 1272 cil_copy_expr(db, curr->data, &sub_list); 1273 cil_list_append(*new, CIL_LIST, sub_list); 1274 break; 1275 } 1276 case CIL_STRING: 1277 cil_list_append(*new, CIL_STRING, curr->data); 1278 break; 1279 case CIL_DATUM: 1280 cil_list_append(*new, curr->flavor, curr->data); 1281 break; 1282 case CIL_OP: 1283 cil_list_append(*new, curr->flavor, curr->data); 1284 break; 1285 case CIL_CONS_OPERAND: 1286 cil_list_append(*new, curr->flavor, curr->data); 1287 break; 1288 default: 1289 cil_log(CIL_INFO, "Unknown flavor %d in expression being copied\n",curr->flavor); 1290 cil_list_append(*new, curr->flavor, curr->data); 1291 break; 1292 } 1293 } 1294 1295 return SEPOL_OK; 1296 } 1297 1298 int cil_copy_constrain(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1299 { 1300 struct cil_constrain *orig = data; 1301 struct cil_constrain *new = NULL; 1302 1303 cil_constrain_init(&new); 1304 cil_copy_classperms_list(orig->classperms, &new->classperms); 1305 1306 cil_copy_expr(db, orig->str_expr, &new->str_expr); 1307 cil_copy_expr(db, orig->datum_expr, &new->datum_expr); 1308 1309 *copy = new; 1310 1311 return SEPOL_OK; 1312 } 1313 1314 int cil_copy_validatetrans(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1315 { 1316 struct cil_validatetrans *orig = data; 1317 struct cil_validatetrans *new = NULL; 1318 1319 cil_validatetrans_init(&new); 1320 1321 new->class_str = orig->class_str; 1322 1323 cil_copy_expr(db, orig->str_expr, &new->str_expr); 1324 cil_copy_expr(db, orig->datum_expr, &new->datum_expr); 1325 1326 *copy = new; 1327 1328 return SEPOL_OK; 1329 } 1330 1331 int cil_copy_call(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1332 { 1333 struct cil_call *orig = data; 1334 struct cil_call *new = NULL; 1335 int rc = SEPOL_ERR; 1336 1337 cil_call_init(&new); 1338 1339 new->macro_str = orig->macro_str; 1340 new->macro = orig->macro; 1341 1342 if (orig->args_tree != NULL) { 1343 cil_tree_init(&new->args_tree); 1344 rc = cil_copy_ast(db, orig->args_tree->root, new->args_tree->root); 1345 if (rc != SEPOL_OK) { 1346 goto exit; 1347 } 1348 } 1349 1350 new->copied = orig->copied; 1351 1352 *copy = new; 1353 1354 return SEPOL_OK; 1355 1356 exit: 1357 cil_destroy_call(new); 1358 return rc; 1359 } 1360 1361 int cil_copy_macro(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 1362 { 1363 struct cil_macro *orig = data; 1364 char *key = orig->datum.name; 1365 struct cil_symtab_datum *datum = NULL; 1366 1367 cil_symtab_get_datum(symtab, key, &datum); 1368 if (datum == NULL) { 1369 struct cil_macro *new; 1370 cil_macro_init(&new); 1371 if (orig->params != NULL) { 1372 cil_copy_list(orig->params, &new->params); 1373 } 1374 1375 *copy = new; 1376 1377 } else { 1378 struct cil_list_item *curr_orig = NULL; 1379 struct cil_list_item *curr_new = NULL; 1380 struct cil_param *param_orig = NULL; 1381 struct cil_param *param_new = NULL; 1382 1383 if (((struct cil_macro*)datum)->params != NULL) { 1384 curr_new = ((struct cil_macro*)datum)->params->head; 1385 } 1386 1387 if (orig->params != NULL) { 1388 curr_orig = orig->params->head; 1389 } 1390 1391 if (curr_orig != NULL && curr_new != NULL) { 1392 while (curr_orig != NULL) { 1393 if (curr_new == NULL) { 1394 goto exit; 1395 } 1396 1397 param_orig = (struct cil_param*)curr_orig->data; 1398 param_new = (struct cil_param*)curr_new->data; 1399 if (param_orig->str != param_new->str) { 1400 goto exit; 1401 } else if (param_orig->flavor != param_new->flavor) { 1402 goto exit; 1403 } 1404 1405 curr_orig = curr_orig->next; 1406 curr_new = curr_new->next; 1407 } 1408 1409 if (curr_new != NULL) { 1410 goto exit; 1411 } 1412 } else if (!(curr_orig == NULL && curr_new == NULL)) { 1413 goto exit; 1414 } 1415 1416 *copy = datum; 1417 } 1418 1419 return SEPOL_OK; 1420 1421 exit: 1422 cil_log(CIL_INFO, "cil_copy_macro: macro cannot be redefined\n"); 1423 return SEPOL_ERR; 1424 } 1425 1426 int cil_copy_optional(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 1427 { 1428 struct cil_optional *orig = data; 1429 char *key = orig->datum.name; 1430 struct cil_symtab_datum *datum = NULL; 1431 1432 cil_symtab_get_datum(symtab, key, &datum); 1433 if (datum == NULL) { 1434 struct cil_optional *new; 1435 cil_optional_init(&new); 1436 *copy = new; 1437 } else { 1438 *copy = datum; 1439 } 1440 1441 return SEPOL_OK; 1442 } 1443 1444 void cil_copy_fill_ipaddr(struct cil_ipaddr *data, struct cil_ipaddr *new) 1445 { 1446 new->family = data->family; 1447 memcpy(&new->ip, &data->ip, sizeof(data->ip)); 1448 } 1449 1450 int cil_copy_ipaddr(__attribute__((unused)) struct cil_db *db, void *data, void **copy, symtab_t *symtab) 1451 { 1452 struct cil_ipaddr *orig = data; 1453 struct cil_ipaddr *new = NULL; 1454 char * key = orig->datum.name; 1455 struct cil_symtab_datum *datum = NULL; 1456 1457 cil_symtab_get_datum(symtab, key, &datum); 1458 if (datum != NULL) { 1459 cil_log(CIL_INFO, "cil_copy_ipaddr: ipaddress cannot be redefined\n"); 1460 return SEPOL_ERR; 1461 } 1462 1463 cil_ipaddr_init(&new); 1464 cil_copy_fill_ipaddr(orig, new); 1465 1466 *copy = new; 1467 1468 return SEPOL_OK; 1469 } 1470 1471 int cil_copy_condblock(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1472 { 1473 struct cil_condblock *orig = data; 1474 struct cil_condblock *new = *copy; 1475 cil_condblock_init(&new); 1476 new->flavor = orig->flavor; 1477 *copy = new; 1478 1479 return SEPOL_OK; 1480 } 1481 1482 int cil_copy_boolif(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1483 { 1484 struct cil_booleanif *orig = data; 1485 struct cil_booleanif *new = NULL; 1486 1487 cil_boolif_init(&new); 1488 1489 cil_copy_expr(db, orig->str_expr, &new->str_expr); 1490 cil_copy_expr(db, orig->datum_expr, &new->datum_expr); 1491 new->preserved_tunable = orig->preserved_tunable; 1492 1493 *copy = new; 1494 1495 return SEPOL_OK; 1496 } 1497 1498 int cil_copy_tunif(struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1499 { 1500 struct cil_tunableif *orig = data; 1501 struct cil_tunableif *new = NULL; 1502 1503 cil_tunif_init(&new); 1504 1505 cil_copy_expr(db, orig->str_expr, &new->str_expr); 1506 cil_copy_expr(db, orig->datum_expr, &new->datum_expr); 1507 1508 *copy = new; 1509 1510 return SEPOL_OK; 1511 } 1512 1513 int cil_copy_default(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1514 { 1515 struct cil_default *orig = data; 1516 struct cil_default *new = NULL; 1517 1518 cil_default_init(&new); 1519 1520 new->flavor = orig->flavor; 1521 1522 if (orig->class_strs != NULL) { 1523 cil_copy_list(orig->class_strs, &new->class_strs); 1524 } 1525 1526 new->object = orig->object; 1527 1528 *copy = new; 1529 1530 return SEPOL_OK; 1531 } 1532 1533 int cil_copy_defaultrange(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1534 { 1535 struct cil_defaultrange *orig = data; 1536 struct cil_defaultrange *new = NULL; 1537 1538 cil_defaultrange_init(&new); 1539 1540 if (orig->class_strs != NULL) { 1541 cil_copy_list(orig->class_strs, &new->class_strs); 1542 } 1543 1544 new->object_range = orig->object_range; 1545 1546 *copy = new; 1547 1548 return SEPOL_OK; 1549 } 1550 1551 int cil_copy_handleunknown(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1552 { 1553 struct cil_handleunknown *orig = data; 1554 struct cil_handleunknown *new = NULL; 1555 1556 cil_handleunknown_init(&new); 1557 new->handle_unknown = orig->handle_unknown; 1558 *copy = new; 1559 1560 return SEPOL_OK; 1561 } 1562 1563 int cil_copy_mls(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1564 { 1565 struct cil_mls *orig = data; 1566 struct cil_mls *new = NULL; 1567 1568 cil_mls_init(&new); 1569 new->value = orig->value; 1570 *copy = new; 1571 1572 return SEPOL_OK; 1573 } 1574 1575 int cil_copy_bounds(__attribute__((unused)) struct cil_db *db, void *data, void **copy, __attribute__((unused)) symtab_t *symtab) 1576 { 1577 struct cil_bounds *orig = data; 1578 struct cil_bounds *new = NULL; 1579 1580 cil_bounds_init(&new); 1581 1582 new->parent_str = orig->parent_str; 1583 new->child_str = orig->child_str; 1584 1585 *copy = new; 1586 1587 return SEPOL_OK; 1588 } 1589 1590 int __cil_copy_node_helper(struct cil_tree_node *orig, __attribute__((unused)) uint32_t *finished, void *extra_args) 1591 { 1592 int rc = SEPOL_ERR; 1593 struct cil_tree_node *parent = NULL; 1594 struct cil_tree_node *new = NULL; 1595 struct cil_db *db = NULL; 1596 struct cil_args_copy *args = NULL; 1597 struct cil_tree_node *namespace = NULL; 1598 struct cil_param *param = NULL; 1599 enum cil_sym_index sym_index = CIL_SYM_UNKNOWN; 1600 symtab_t *symtab = NULL; 1601 void *data = NULL; 1602 int (*copy_func)(struct cil_db *db, void *data, void **copy, symtab_t *symtab) = NULL; 1603 struct cil_blockinherit *blockinherit = NULL; 1604 1605 if (orig == NULL || extra_args == NULL) { 1606 goto exit; 1607 } 1608 1609 args = extra_args; 1610 parent = args->dest; 1611 db = args->db; 1612 1613 1614 switch (orig->flavor) { 1615 case CIL_BLOCK: 1616 copy_func = &cil_copy_block; 1617 break; 1618 case CIL_BLOCKABSTRACT: 1619 copy_func = &cil_copy_blockabstract; 1620 break; 1621 case CIL_BLOCKINHERIT: 1622 copy_func = &cil_copy_blockinherit; 1623 break; 1624 case CIL_POLICYCAP: 1625 copy_func = &cil_copy_policycap; 1626 break; 1627 case CIL_PERM: 1628 case CIL_MAP_PERM: 1629 copy_func = &cil_copy_perm; 1630 break; 1631 case CIL_CLASSMAPPING: 1632 copy_func = &cil_copy_classmapping; 1633 break; 1634 case CIL_CLASS: 1635 case CIL_COMMON: 1636 case CIL_MAP_CLASS: 1637 copy_func = &cil_copy_class; 1638 break; 1639 case CIL_CLASSORDER: 1640 copy_func = &cil_copy_classorder; 1641 break; 1642 case CIL_CLASSPERMISSION: 1643 copy_func = &cil_copy_classpermission; 1644 break; 1645 case CIL_CLASSPERMISSIONSET: 1646 copy_func = &cil_copy_classpermissionset; 1647 break; 1648 case CIL_CLASSCOMMON: 1649 copy_func = &cil_copy_classcommon; 1650 break; 1651 case CIL_SID: 1652 copy_func = &cil_copy_sid; 1653 break; 1654 case CIL_SIDCONTEXT: 1655 copy_func = &cil_copy_sidcontext; 1656 break; 1657 case CIL_SIDORDER: 1658 copy_func = &cil_copy_sidorder; 1659 break; 1660 case CIL_USER: 1661 copy_func = &cil_copy_user; 1662 break; 1663 case CIL_USERROLE: 1664 copy_func = &cil_copy_userrole; 1665 break; 1666 case CIL_USERLEVEL: 1667 copy_func = &cil_copy_userlevel; 1668 break; 1669 case CIL_USERRANGE: 1670 copy_func = &cil_copy_userrange; 1671 break; 1672 case CIL_USERBOUNDS: 1673 copy_func = &cil_copy_bounds; 1674 break; 1675 case CIL_USERPREFIX: 1676 copy_func = &cil_copy_userprefix; 1677 break; 1678 case CIL_ROLE: 1679 copy_func = &cil_copy_role; 1680 break; 1681 case CIL_ROLETYPE: 1682 copy_func = &cil_copy_roletype; 1683 break; 1684 case CIL_ROLEBOUNDS: 1685 copy_func = &cil_copy_bounds; 1686 break; 1687 case CIL_ROLEATTRIBUTE: 1688 copy_func = &cil_copy_roleattribute; 1689 break; 1690 case CIL_ROLEATTRIBUTESET: 1691 copy_func = &cil_copy_roleattributeset; 1692 break; 1693 case CIL_ROLEALLOW: 1694 copy_func = &cil_copy_roleallow; 1695 break; 1696 case CIL_TYPE: 1697 copy_func = &cil_copy_type; 1698 break; 1699 case CIL_TYPEBOUNDS: 1700 copy_func = &cil_copy_bounds; 1701 break; 1702 case CIL_TYPEPERMISSIVE: 1703 copy_func = cil_copy_typepermissive; 1704 break; 1705 case CIL_TYPEATTRIBUTE: 1706 copy_func = &cil_copy_typeattribute; 1707 break; 1708 case CIL_TYPEATTRIBUTESET: 1709 copy_func = &cil_copy_typeattributeset; 1710 break; 1711 case CIL_TYPEALIAS: 1712 copy_func = &cil_copy_alias; 1713 break; 1714 case CIL_TYPEALIASACTUAL: 1715 copy_func = &cil_copy_aliasactual; 1716 break; 1717 case CIL_ROLETRANSITION: 1718 copy_func = &cil_copy_roletransition; 1719 break; 1720 case CIL_NAMETYPETRANSITION: 1721 copy_func = &cil_copy_nametypetransition; 1722 break; 1723 case CIL_RANGETRANSITION: 1724 copy_func = &cil_copy_rangetransition; 1725 break; 1726 case CIL_TUNABLE: 1727 copy_func = &cil_copy_tunable; 1728 break; 1729 case CIL_BOOL: 1730 copy_func = &cil_copy_bool; 1731 break; 1732 case CIL_AVRULE: 1733 copy_func = &cil_copy_avrule; 1734 break; 1735 case CIL_TYPE_RULE: 1736 copy_func = &cil_copy_type_rule; 1737 break; 1738 case CIL_SENS: 1739 copy_func = &cil_copy_sens; 1740 break; 1741 case CIL_SENSALIAS: 1742 copy_func = &cil_copy_alias; 1743 break; 1744 case CIL_SENSALIASACTUAL: 1745 copy_func = &cil_copy_aliasactual; 1746 break; 1747 case CIL_CAT: 1748 copy_func = &cil_copy_cat; 1749 break; 1750 case CIL_CATALIAS: 1751 copy_func = &cil_copy_alias; 1752 break; 1753 case CIL_CATALIASACTUAL: 1754 copy_func = &cil_copy_aliasactual; 1755 break; 1756 case CIL_CATSET: 1757 copy_func = &cil_copy_catset; 1758 break; 1759 case CIL_SENSCAT: 1760 copy_func = &cil_copy_senscat; 1761 break; 1762 case CIL_CATORDER: 1763 copy_func = &cil_copy_catorder; 1764 break; 1765 case CIL_SENSITIVITYORDER: 1766 copy_func = &cil_copy_sensitivityorder; 1767 break; 1768 case CIL_LEVEL: 1769 copy_func = &cil_copy_level; 1770 break; 1771 case CIL_LEVELRANGE: 1772 copy_func = &cil_copy_levelrange; 1773 break; 1774 case CIL_CONTEXT: 1775 copy_func = &cil_copy_context; 1776 break; 1777 case CIL_NETIFCON: 1778 copy_func = &cil_copy_netifcon; 1779 break; 1780 case CIL_GENFSCON: 1781 copy_func = &cil_copy_genfscon; 1782 break; 1783 case CIL_FILECON: 1784 copy_func = &cil_copy_filecon; 1785 break; 1786 case CIL_NODECON: 1787 copy_func = &cil_copy_nodecon; 1788 break; 1789 case CIL_PORTCON: 1790 copy_func = &cil_copy_portcon; 1791 break; 1792 case CIL_PIRQCON: 1793 copy_func = &cil_copy_pirqcon; 1794 break; 1795 case CIL_IOMEMCON: 1796 copy_func = &cil_copy_iomemcon; 1797 break; 1798 case CIL_IOPORTCON: 1799 copy_func = &cil_copy_ioportcon; 1800 break; 1801 case CIL_PCIDEVICECON: 1802 copy_func = &cil_copy_pcidevicecon; 1803 break; 1804 case CIL_DEVICETREECON: 1805 copy_func = &cil_copy_devicetreecon; 1806 break; 1807 case CIL_FSUSE: 1808 copy_func = &cil_copy_fsuse; 1809 break; 1810 case CIL_CONSTRAIN: 1811 case CIL_MLSCONSTRAIN: 1812 copy_func = &cil_copy_constrain; 1813 break; 1814 case CIL_VALIDATETRANS: 1815 case CIL_MLSVALIDATETRANS: 1816 copy_func = &cil_copy_validatetrans; 1817 break; 1818 case CIL_CALL: 1819 copy_func = &cil_copy_call; 1820 break; 1821 case CIL_MACRO: 1822 copy_func = &cil_copy_macro; 1823 break; 1824 case CIL_NODE: 1825 copy_func = &cil_copy_node; 1826 break; 1827 case CIL_OPTIONAL: 1828 copy_func = &cil_copy_optional; 1829 break; 1830 case CIL_IPADDR: 1831 copy_func = &cil_copy_ipaddr; 1832 break; 1833 case CIL_CONDBLOCK: 1834 copy_func = &cil_copy_condblock; 1835 break; 1836 case CIL_BOOLEANIF: 1837 copy_func = &cil_copy_boolif; 1838 break; 1839 case CIL_TUNABLEIF: 1840 copy_func = &cil_copy_tunif; 1841 break; 1842 case CIL_DEFAULTUSER: 1843 case CIL_DEFAULTROLE: 1844 case CIL_DEFAULTTYPE: 1845 copy_func = &cil_copy_default; 1846 break; 1847 case CIL_DEFAULTRANGE: 1848 copy_func = &cil_copy_defaultrange; 1849 break; 1850 case CIL_HANDLEUNKNOWN: 1851 copy_func = &cil_copy_handleunknown; 1852 break; 1853 case CIL_MLS: 1854 copy_func = &cil_copy_mls; 1855 break; 1856 default: 1857 goto exit; 1858 } 1859 1860 if (orig->flavor >= CIL_MIN_DECLARATIVE) { 1861 rc = cil_flavor_to_symtab_index(orig->flavor, &sym_index); 1862 if (rc != SEPOL_OK) { 1863 goto exit; 1864 } 1865 1866 rc = cil_get_symtab(parent, &symtab, sym_index); 1867 if (rc != SEPOL_OK) { 1868 goto exit; 1869 } 1870 } 1871 1872 rc = (*copy_func)(db, orig->data, &data, symtab); 1873 if (rc == SEPOL_OK) { 1874 cil_tree_node_init(&new); 1875 1876 new->parent = parent; 1877 new->line = orig->line; 1878 new->path = orig->path; 1879 new->flavor = orig->flavor; 1880 new->data = data; 1881 1882 if (orig->flavor >= CIL_MIN_DECLARATIVE) { 1883 rc = cil_symtab_insert(symtab, ((struct cil_symtab_datum*)orig->data)->name, ((struct cil_symtab_datum*)data), new); 1884 1885 namespace = new; 1886 while (namespace->flavor != CIL_MACRO && namespace->flavor != CIL_BLOCK && namespace->flavor != CIL_ROOT) { 1887 namespace = namespace->parent; 1888 } 1889 1890 if (namespace->flavor == CIL_MACRO) { 1891 struct cil_macro *macro = namespace->data; 1892 struct cil_list *param_list = macro->params; 1893 if (param_list != NULL) { 1894 struct cil_list_item *item; 1895 cil_list_for_each(item, param_list) { 1896 param = item->data; 1897 if (param->flavor == new->flavor) { 1898 if (param->str == ((struct cil_symtab_datum*)new->data)->name) { 1899 cil_log(CIL_ERR, "%s %s shadows a macro parameter (%s line:%d)\n", cil_node_to_string(new), ((struct cil_symtab_datum*)orig->data)->name, orig->path, orig->line); 1900 cil_log(CIL_ERR, "Note: macro declaration (%s line:%d)\n", namespace->path, namespace->line); 1901 rc = SEPOL_ERR; 1902 goto exit; 1903 } 1904 } 1905 } 1906 } 1907 } 1908 } 1909 1910 if (new->flavor == CIL_BLOCKINHERIT) { 1911 blockinherit = new->data; 1912 cil_list_append(blockinherit->block->bi_nodes, CIL_NODE, new); 1913 } 1914 1915 if (parent->cl_head == NULL) { 1916 parent->cl_head = new; 1917 parent->cl_tail = new; 1918 } else { 1919 parent->cl_tail->next = new; 1920 parent->cl_tail = new; 1921 } 1922 1923 if (orig->cl_head != NULL) { 1924 args->dest = new; 1925 } 1926 } else { 1927 goto exit; 1928 } 1929 1930 return SEPOL_OK; 1931 1932 exit: 1933 cil_tree_node_destroy(&new); 1934 return rc; 1935 } 1936 1937 int __cil_copy_last_child_helper(__attribute__((unused)) struct cil_tree_node *orig, void *extra_args) 1938 { 1939 struct cil_tree_node *node = NULL; 1940 struct cil_args_copy *args = NULL; 1941 1942 args = extra_args; 1943 node = args->dest; 1944 1945 if (node->flavor != CIL_ROOT) { 1946 args->dest = node->parent; 1947 } 1948 1949 return SEPOL_OK; 1950 } 1951 1952 // dest is the parent node to copy into 1953 // if the copy is for a call to a macro, dest should be a pointer to the call 1954 int cil_copy_ast(struct cil_db *db, struct cil_tree_node *orig, struct cil_tree_node *dest) 1955 { 1956 int rc = SEPOL_ERR; 1957 struct cil_args_copy extra_args; 1958 1959 extra_args.dest = dest; 1960 extra_args.db = db; 1961 1962 rc = cil_tree_walk(orig, __cil_copy_node_helper, NULL, __cil_copy_last_child_helper, &extra_args); 1963 if (rc != SEPOL_OK) { 1964 cil_log(CIL_INFO, "cil_tree_walk failed, rc: %d\n", rc); 1965 goto exit; 1966 } 1967 1968 return SEPOL_OK; 1969 1970 exit: 1971 return rc; 1972 } 1973 1974
