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 #ifndef CIL_INTERNAL_H_ 31 #define CIL_INTERNAL_H_ 32 33 #include <stdlib.h> 34 #include <stdio.h> 35 #include <stdint.h> 36 #include <arpa/inet.h> 37 38 #include <sepol/policydb/services.h> 39 #include <sepol/policydb/policydb.h> 40 #include <sepol/policydb/flask_types.h> 41 42 #include <cil/cil.h> 43 44 #include "cil_flavor.h" 45 #include "cil_tree.h" 46 #include "cil_symtab.h" 47 #include "cil_mem.h" 48 49 #define CIL_MAX_NAME_LENGTH 2048 50 51 #define CIL_DEGENERATE_INHERITANCE_DEPTH 10UL 52 #define CIL_DEGENERATE_INHERITANCE_MINIMUM (0x01 << CIL_DEGENERATE_INHERITANCE_DEPTH) 53 #define CIL_DEGENERATE_INHERITANCE_GROWTH 10UL 54 55 enum cil_pass { 56 CIL_PASS_INIT = 0, 57 58 CIL_PASS_TIF, 59 CIL_PASS_IN_BEFORE, 60 CIL_PASS_BLKIN_LINK, 61 CIL_PASS_BLKIN_COPY, 62 CIL_PASS_BLKABS, 63 CIL_PASS_IN_AFTER, 64 CIL_PASS_CALL1, 65 CIL_PASS_CALL2, 66 CIL_PASS_ALIAS1, 67 CIL_PASS_ALIAS2, 68 CIL_PASS_MISC1, 69 CIL_PASS_MLS, 70 CIL_PASS_MISC2, 71 CIL_PASS_MISC3, 72 73 CIL_PASS_NUM 74 }; 75 76 77 /* 78 Keywords 79 */ 80 extern char *CIL_KEY_CONS_T1; 81 extern char *CIL_KEY_CONS_T2; 82 extern char *CIL_KEY_CONS_T3; 83 extern char *CIL_KEY_CONS_R1; 84 extern char *CIL_KEY_CONS_R2; 85 extern char *CIL_KEY_CONS_R3; 86 extern char *CIL_KEY_CONS_U1; 87 extern char *CIL_KEY_CONS_U2; 88 extern char *CIL_KEY_CONS_U3; 89 extern char *CIL_KEY_CONS_L1; 90 extern char *CIL_KEY_CONS_L2; 91 extern char *CIL_KEY_CONS_H1; 92 extern char *CIL_KEY_CONS_H2; 93 extern char *CIL_KEY_AND; 94 extern char *CIL_KEY_OR; 95 extern char *CIL_KEY_NOT; 96 extern char *CIL_KEY_EQ; 97 extern char *CIL_KEY_NEQ; 98 extern char *CIL_KEY_CONS_DOM; 99 extern char *CIL_KEY_CONS_DOMBY; 100 extern char *CIL_KEY_CONS_INCOMP; 101 extern char *CIL_KEY_CONDTRUE; 102 extern char *CIL_KEY_CONDFALSE; 103 extern char *CIL_KEY_SELF; 104 extern char *CIL_KEY_NOTSELF; 105 extern char *CIL_KEY_OTHER; 106 extern char *CIL_KEY_OBJECT_R; 107 extern char *CIL_KEY_STAR; 108 extern char *CIL_KEY_TCP; 109 extern char *CIL_KEY_UDP; 110 extern char *CIL_KEY_DCCP; 111 extern char *CIL_KEY_SCTP; 112 extern char *CIL_KEY_AUDITALLOW; 113 extern char *CIL_KEY_TUNABLEIF; 114 extern char *CIL_KEY_ALLOW; 115 extern char *CIL_KEY_DONTAUDIT; 116 extern char *CIL_KEY_TYPETRANSITION; 117 extern char *CIL_KEY_TYPECHANGE; 118 extern char *CIL_KEY_CALL; 119 extern char *CIL_KEY_TUNABLE; 120 extern char *CIL_KEY_XOR; 121 extern char *CIL_KEY_ALL; 122 extern char *CIL_KEY_RANGE; 123 extern char *CIL_KEY_GLOB; 124 extern char *CIL_KEY_FILE; 125 extern char *CIL_KEY_DIR; 126 extern char *CIL_KEY_CHAR; 127 extern char *CIL_KEY_BLOCK; 128 extern char *CIL_KEY_SOCKET; 129 extern char *CIL_KEY_PIPE; 130 extern char *CIL_KEY_SYMLINK; 131 extern char *CIL_KEY_ANY; 132 extern char *CIL_KEY_XATTR; 133 extern char *CIL_KEY_TASK; 134 extern char *CIL_KEY_TRANS; 135 extern char *CIL_KEY_TYPE; 136 extern char *CIL_KEY_ROLE; 137 extern char *CIL_KEY_USER; 138 extern char *CIL_KEY_USERATTRIBUTE; 139 extern char *CIL_KEY_USERATTRIBUTESET; 140 extern char *CIL_KEY_SENSITIVITY; 141 extern char *CIL_KEY_CATEGORY; 142 extern char *CIL_KEY_CATSET; 143 extern char *CIL_KEY_LEVEL; 144 extern char *CIL_KEY_LEVELRANGE; 145 extern char *CIL_KEY_CLASS; 146 extern char *CIL_KEY_IPADDR; 147 extern char *CIL_KEY_MAP_CLASS; 148 extern char *CIL_KEY_CLASSPERMISSION; 149 extern char *CIL_KEY_BOOL; 150 extern char *CIL_KEY_STRING; 151 extern char *CIL_KEY_NAME; 152 extern char *CIL_KEY_SOURCE; 153 extern char *CIL_KEY_TARGET; 154 extern char *CIL_KEY_LOW; 155 extern char *CIL_KEY_HIGH; 156 extern char *CIL_KEY_LOW_HIGH; 157 extern char *CIL_KEY_GLBLUB; 158 extern char *CIL_KEY_HANDLEUNKNOWN; 159 extern char *CIL_KEY_HANDLEUNKNOWN_ALLOW; 160 extern char *CIL_KEY_HANDLEUNKNOWN_DENY; 161 extern char *CIL_KEY_HANDLEUNKNOWN_REJECT; 162 extern char *CIL_KEY_MACRO; 163 extern char *CIL_KEY_IN; 164 extern char *CIL_KEY_IN_BEFORE; 165 extern char *CIL_KEY_IN_AFTER; 166 extern char *CIL_KEY_MLS; 167 extern char *CIL_KEY_DEFAULTRANGE; 168 extern char *CIL_KEY_BLOCKINHERIT; 169 extern char *CIL_KEY_BLOCKABSTRACT; 170 extern char *CIL_KEY_CLASSORDER; 171 extern char *CIL_KEY_CLASSMAPPING; 172 extern char *CIL_KEY_CLASSPERMISSIONSET; 173 extern char *CIL_KEY_COMMON; 174 extern char *CIL_KEY_CLASSCOMMON; 175 extern char *CIL_KEY_SID; 176 extern char *CIL_KEY_SIDCONTEXT; 177 extern char *CIL_KEY_SIDORDER; 178 extern char *CIL_KEY_USERLEVEL; 179 extern char *CIL_KEY_USERRANGE; 180 extern char *CIL_KEY_USERBOUNDS; 181 extern char *CIL_KEY_USERPREFIX; 182 extern char *CIL_KEY_SELINUXUSER; 183 extern char *CIL_KEY_SELINUXUSERDEFAULT; 184 extern char *CIL_KEY_TYPEATTRIBUTE; 185 extern char *CIL_KEY_TYPEATTRIBUTESET; 186 extern char *CIL_KEY_EXPANDTYPEATTRIBUTE; 187 extern char *CIL_KEY_TYPEALIAS; 188 extern char *CIL_KEY_TYPEALIASACTUAL; 189 extern char *CIL_KEY_TYPEBOUNDS; 190 extern char *CIL_KEY_TYPEPERMISSIVE; 191 extern char *CIL_KEY_RANGETRANSITION; 192 extern char *CIL_KEY_USERROLE; 193 extern char *CIL_KEY_ROLETYPE; 194 extern char *CIL_KEY_ROLETRANSITION; 195 extern char *CIL_KEY_ROLEALLOW; 196 extern char *CIL_KEY_ROLEATTRIBUTE; 197 extern char *CIL_KEY_ROLEATTRIBUTESET; 198 extern char *CIL_KEY_ROLEBOUNDS; 199 extern char *CIL_KEY_BOOLEANIF; 200 extern char *CIL_KEY_NEVERALLOW; 201 extern char *CIL_KEY_TYPEMEMBER; 202 extern char *CIL_KEY_SENSALIAS; 203 extern char *CIL_KEY_SENSALIASACTUAL; 204 extern char *CIL_KEY_CATALIAS; 205 extern char *CIL_KEY_CATALIASACTUAL; 206 extern char *CIL_KEY_CATORDER; 207 extern char *CIL_KEY_SENSITIVITYORDER; 208 extern char *CIL_KEY_SENSCAT; 209 extern char *CIL_KEY_CONSTRAIN; 210 extern char *CIL_KEY_MLSCONSTRAIN; 211 extern char *CIL_KEY_VALIDATETRANS; 212 extern char *CIL_KEY_MLSVALIDATETRANS; 213 extern char *CIL_KEY_CONTEXT; 214 extern char *CIL_KEY_FILECON; 215 extern char *CIL_KEY_IBPKEYCON; 216 extern char *CIL_KEY_IBENDPORTCON; 217 extern char *CIL_KEY_PORTCON; 218 extern char *CIL_KEY_NODECON; 219 extern char *CIL_KEY_GENFSCON; 220 extern char *CIL_KEY_NETIFCON; 221 extern char *CIL_KEY_PIRQCON; 222 extern char *CIL_KEY_IOMEMCON; 223 extern char *CIL_KEY_IOPORTCON; 224 extern char *CIL_KEY_PCIDEVICECON; 225 extern char *CIL_KEY_DEVICETREECON; 226 extern char *CIL_KEY_FSUSE; 227 extern char *CIL_KEY_POLICYCAP; 228 extern char *CIL_KEY_OPTIONAL; 229 extern char *CIL_KEY_DEFAULTUSER; 230 extern char *CIL_KEY_DEFAULTROLE; 231 extern char *CIL_KEY_DEFAULTTYPE; 232 extern char *CIL_KEY_ROOT; 233 extern char *CIL_KEY_NODE; 234 extern char *CIL_KEY_PERM; 235 extern char *CIL_KEY_ALLOWX; 236 extern char *CIL_KEY_AUDITALLOWX; 237 extern char *CIL_KEY_DONTAUDITX; 238 extern char *CIL_KEY_NEVERALLOWX; 239 extern char *CIL_KEY_PERMISSIONX; 240 extern char *CIL_KEY_IOCTL; 241 extern char *CIL_KEY_UNORDERED; 242 extern char *CIL_KEY_SRC_INFO; 243 extern char *CIL_KEY_SRC_CIL; 244 extern char *CIL_KEY_SRC_HLL_LMS; 245 extern char *CIL_KEY_SRC_HLL_LMX; 246 extern char *CIL_KEY_SRC_HLL_LME; 247 extern char *CIL_KEY_DENY_RULE; 248 249 /* 250 Symbol Table Array Indices 251 */ 252 enum cil_sym_index { 253 CIL_SYM_BLOCKS = 0, 254 CIL_SYM_USERS, 255 CIL_SYM_ROLES, 256 CIL_SYM_TYPES, 257 CIL_SYM_COMMONS, 258 CIL_SYM_CLASSES, 259 CIL_SYM_CLASSPERMSETS, 260 CIL_SYM_BOOLS, 261 CIL_SYM_TUNABLES, 262 CIL_SYM_SENS, 263 CIL_SYM_CATS, 264 CIL_SYM_SIDS, 265 CIL_SYM_CONTEXTS, 266 CIL_SYM_LEVELS, 267 CIL_SYM_LEVELRANGES, 268 CIL_SYM_POLICYCAPS, 269 CIL_SYM_IPADDRS, 270 CIL_SYM_STRINGS, 271 CIL_SYM_PERMX, 272 CIL_SYM_NUM, 273 CIL_SYM_UNKNOWN, 274 CIL_SYM_PERMS // Special case for permissions. This symtab is not included in arrays 275 }; 276 277 enum cil_sym_array { 278 CIL_SYM_ARRAY_ROOT = 0, 279 CIL_SYM_ARRAY_BLOCK, 280 CIL_SYM_ARRAY_IN, 281 CIL_SYM_ARRAY_MACRO, 282 CIL_SYM_ARRAY_CONDBLOCK, 283 CIL_SYM_ARRAY_NUM 284 }; 285 286 extern const int cil_sym_sizes[CIL_SYM_ARRAY_NUM][CIL_SYM_NUM]; 287 288 #define CIL_CLASS_SYM_SIZE 256 289 #define CIL_PERMS_PER_CLASS (sizeof(sepol_access_vector_t) * 8) 290 291 struct cil_db { 292 struct cil_tree *parse; 293 struct cil_tree *ast; 294 struct cil_type *selftype; 295 struct cil_type *notselftype; 296 struct cil_type *othertype; 297 struct cil_list *sidorder; 298 struct cil_list *classorder; 299 struct cil_list *catorder; 300 struct cil_list *sensitivityorder; 301 struct cil_sort *netifcon; 302 struct cil_sort *genfscon; 303 struct cil_sort *filecon; 304 struct cil_sort *nodecon; 305 struct cil_sort *ibpkeycon; 306 struct cil_sort *ibendportcon; 307 struct cil_sort *portcon; 308 struct cil_sort *pirqcon; 309 struct cil_sort *iomemcon; 310 struct cil_sort *ioportcon; 311 struct cil_sort *pcidevicecon; 312 struct cil_sort *devicetreecon; 313 struct cil_sort *fsuse; 314 struct cil_list *userprefixes; 315 struct cil_list *selinuxusers; 316 struct cil_list *declared_strings; 317 int num_types_and_attrs; 318 int num_classes; 319 int num_cats; 320 int num_types; 321 int num_roles; 322 int num_users; 323 struct cil_type **val_to_type; 324 struct cil_role **val_to_role; 325 struct cil_user **val_to_user; 326 int disable_dontaudit; 327 int disable_neverallow; 328 int attrs_expand_generated; 329 unsigned attrs_expand_size; 330 int preserve_tunables; 331 int handle_unknown; 332 int mls; 333 int multiple_decls; 334 int qualified_names; 335 int target_platform; 336 int policy_version; 337 }; 338 339 struct cil_root { 340 symtab_t symtab[CIL_SYM_NUM]; 341 }; 342 343 struct cil_sort { 344 enum cil_flavor flavor; 345 uint32_t count; 346 uint32_t index; 347 void **array; 348 }; 349 350 struct cil_ordered { 351 int merged; 352 struct cil_list *strs; 353 struct cil_list *datums; 354 }; 355 356 struct cil_block { 357 struct cil_symtab_datum datum; 358 symtab_t symtab[CIL_SYM_NUM]; 359 uint16_t is_abstract; 360 struct cil_list *bi_nodes; 361 }; 362 363 struct cil_blockinherit { 364 char *block_str; 365 struct cil_block *block; 366 }; 367 368 struct cil_blockabstract { 369 char *block_str; 370 struct cil_block *block; 371 }; 372 373 struct cil_in { 374 symtab_t symtab[CIL_SYM_NUM]; 375 int is_after; 376 char *block_str; 377 struct cil_block *block; 378 }; 379 380 struct cil_optional { 381 struct cil_symtab_datum datum; 382 }; 383 384 struct cil_perm { 385 struct cil_symtab_datum datum; 386 unsigned int value; 387 struct cil_list *classperms; /* Only used for map perms */ 388 }; 389 390 struct cil_class { 391 struct cil_symtab_datum datum; 392 symtab_t perms; 393 unsigned int num_perms; 394 struct cil_class *common; /* Only used for kernel class */ 395 uint32_t ordered; /* Only used for kernel class */ 396 }; 397 398 struct cil_classperms_set { 399 char *set_str; 400 struct cil_classpermission *set; 401 }; 402 403 struct cil_classperms { 404 char *class_str; 405 struct cil_class *class; 406 struct cil_list *perm_strs; 407 struct cil_list *perms; 408 }; 409 410 struct cil_classpermission { 411 struct cil_symtab_datum datum; 412 struct cil_list *classperms; 413 }; 414 415 struct cil_classpermissionset { 416 char *set_str; 417 struct cil_classpermission *set; 418 struct cil_list *classperms; 419 }; 420 421 struct cil_classmapping { 422 char *map_class_str; 423 struct cil_class *map_class; 424 char *map_perm_str; 425 struct cil_perm *map_perm; 426 struct cil_list *classperms; 427 }; 428 429 struct cil_classcommon { 430 char *class_str; 431 struct cil_class *class; 432 char *common_str; 433 struct cil_class *common; 434 }; 435 436 struct cil_alias { 437 struct cil_symtab_datum datum; 438 void *actual; 439 }; 440 441 struct cil_aliasactual { 442 char *alias_str; 443 void *alias; 444 char *actual_str; 445 void *actual; 446 }; 447 448 struct cil_sid { 449 struct cil_symtab_datum datum; 450 struct cil_context *context; 451 uint32_t ordered; 452 }; 453 454 struct cil_sidcontext { 455 char *sid_str; 456 struct cil_sid *sid; 457 char *context_str; 458 struct cil_context *context; 459 }; 460 461 struct cil_user { 462 struct cil_symtab_datum datum; 463 struct cil_user *bounds; 464 ebitmap_t *roles; 465 struct cil_level *dftlevel; 466 struct cil_levelrange *range; 467 int value; 468 }; 469 470 struct cil_userattribute { 471 struct cil_symtab_datum datum; 472 struct cil_list *expr_list; 473 ebitmap_t *users; 474 }; 475 476 struct cil_userattributeset { 477 char *attr_str; 478 struct cil_userattribute *attr; 479 struct cil_list *str_expr; 480 struct cil_list *datum_expr; 481 }; 482 483 struct cil_userrole { 484 char *user_str; 485 void *user; 486 char *role_str; 487 void *role; 488 }; 489 490 struct cil_userlevel { 491 char *user_str; 492 void *user; 493 char *level_str; 494 struct cil_level *level; 495 }; 496 497 struct cil_userrange { 498 char *user_str; 499 void *user; 500 char *range_str; 501 struct cil_levelrange *range; 502 }; 503 504 struct cil_userprefix { 505 char *user_str; 506 struct cil_user *user; 507 char *prefix_str; 508 }; 509 510 struct cil_selinuxuser { 511 char *name_str; 512 char *user_str; 513 struct cil_user *user; 514 char *range_str; 515 struct cil_levelrange *range; 516 }; 517 518 struct cil_role { 519 struct cil_symtab_datum datum; 520 struct cil_role *bounds; 521 ebitmap_t *types; 522 int value; 523 }; 524 525 struct cil_roleattribute { 526 struct cil_symtab_datum datum; 527 struct cil_list *expr_list; 528 ebitmap_t *roles; 529 }; 530 531 struct cil_roleattributeset { 532 char *attr_str; 533 struct cil_roleattribute *attr; 534 struct cil_list *str_expr; 535 struct cil_list *datum_expr; 536 }; 537 538 struct cil_roletype { 539 char *role_str; 540 void *role; /* role or attribute */ 541 char *type_str; 542 void *type; /* type, alias, or attribute */ 543 }; 544 545 struct cil_type { 546 struct cil_symtab_datum datum; 547 struct cil_type *bounds; 548 int value; 549 }; 550 551 #define CIL_ATTR_AVRULE (1 << 0) 552 #define CIL_ATTR_NEVERALLOW (1 << 1) 553 #define CIL_ATTR_CONSTRAINT (1 << 2) 554 #define CIL_ATTR_EXPAND_TRUE (1 << 3) 555 #define CIL_ATTR_EXPAND_FALSE (1 << 4) 556 struct cil_typeattribute { 557 struct cil_symtab_datum datum; 558 struct cil_list *expr_list; 559 ebitmap_t *types; 560 int used; // whether or not this attribute was used in a binary policy rule 561 int keep; 562 }; 563 564 struct cil_typeattributeset { 565 char *attr_str; 566 struct cil_typeattribute *attr; 567 struct cil_list *str_expr; 568 struct cil_list *datum_expr; 569 }; 570 571 struct cil_expandtypeattribute { 572 struct cil_list *attr_strs; 573 struct cil_list *attr_datums; 574 int expand; 575 }; 576 577 struct cil_typepermissive { 578 char *type_str; 579 void *type; /* type or alias */ 580 }; 581 582 struct cil_nametypetransition { 583 char *src_str; 584 void *src; /* type, alias, or attribute */ 585 char *tgt_str; 586 void *tgt; /* type, alias, or attribute */ 587 char *obj_str; 588 struct cil_class *obj; 589 char *name_str; 590 struct cil_symtab_datum *name; 591 char *result_str; 592 void *result; /* type or alias */ 593 594 }; 595 596 struct cil_rangetransition { 597 char *src_str; 598 void *src; /* type, alias, or attribute */ 599 char *exec_str; 600 void *exec; /* type, alias, or attribute */ 601 char *obj_str; 602 struct cil_class *obj; 603 char *range_str; 604 struct cil_levelrange *range; 605 }; 606 607 struct cil_bool { 608 struct cil_symtab_datum datum; 609 uint16_t value; 610 }; 611 612 struct cil_tunable { 613 struct cil_symtab_datum datum; 614 uint16_t value; 615 }; 616 617 #define CIL_AVRULE_ALLOWED 1 618 #define CIL_AVRULE_AUDITALLOW 2 619 #define CIL_AVRULE_DONTAUDIT 8 620 #define CIL_AVRULE_NEVERALLOW 128 621 #define CIL_AVRULE_AV (AVRULE_ALLOWED | AVRULE_AUDITALLOW | AVRULE_DONTAUDIT | AVRULE_NEVERALLOW) 622 struct cil_avrule { 623 int is_extended; 624 uint32_t rule_kind; 625 char *src_str; 626 void *src; /* type, alias, or attribute */ 627 char *tgt_str; 628 void *tgt; /* type, alias, or attribute */ 629 union { 630 struct cil_list *classperms; 631 struct { 632 char *permx_str; 633 struct cil_permissionx *permx; 634 } x; 635 } perms; 636 }; 637 638 #define CIL_PERMX_KIND_IOCTL 1 639 struct cil_permissionx { 640 struct cil_symtab_datum datum; 641 uint32_t kind; 642 char *obj_str; 643 struct cil_class *obj; 644 struct cil_list *expr_str; 645 ebitmap_t *perms; 646 }; 647 648 struct cil_deny_rule { 649 char *src_str; 650 void *src; /* type, alias, or attribute */ 651 char *tgt_str; 652 void *tgt; /* type, alias, or attribute */ 653 struct cil_list *classperms; 654 }; 655 656 #define CIL_TYPE_TRANSITION 16 657 #define CIL_TYPE_MEMBER 32 658 #define CIL_TYPE_CHANGE 64 659 #define CIL_AVRULE_TYPE (AVRULE_TRANSITION | AVRULE_MEMBER | AVRULE_CHANGE) 660 struct cil_type_rule { 661 uint32_t rule_kind; 662 char *src_str; 663 void *src; /* type, alias, or attribute */ 664 char *tgt_str; 665 void *tgt; /* type, alias, or attribute */ 666 char *obj_str; 667 struct cil_class *obj; 668 char *result_str; 669 void *result; /* type or alias */ 670 }; 671 672 struct cil_roletransition { 673 char *src_str; 674 struct cil_role *src; 675 char *tgt_str; 676 void *tgt; /* type, alias, or attribute */ 677 char *obj_str; 678 struct cil_class *obj; 679 char *result_str; 680 struct cil_role *result; 681 }; 682 683 struct cil_roleallow { 684 char *src_str; 685 void *src; /* role or attribute */ 686 char *tgt_str; 687 void *tgt; /* role or attribute */ 688 }; 689 690 struct cil_sens { 691 struct cil_symtab_datum datum; 692 struct cil_list *cats_list; 693 uint32_t ordered; 694 }; 695 696 struct cil_cat { 697 struct cil_symtab_datum datum; 698 uint32_t ordered; 699 int value; 700 }; 701 702 struct cil_cats { 703 uint32_t evaluated; 704 struct cil_list *str_expr; 705 struct cil_list *datum_expr; 706 }; 707 708 struct cil_catset { 709 struct cil_symtab_datum datum; 710 struct cil_cats *cats; 711 }; 712 713 struct cil_senscat { 714 char *sens_str; 715 struct cil_sens *sens; 716 struct cil_cats *cats; 717 }; 718 719 struct cil_level { 720 struct cil_symtab_datum datum; 721 char *sens_str; 722 struct cil_sens *sens; 723 struct cil_cats *cats; 724 }; 725 726 struct cil_levelrange { 727 struct cil_symtab_datum datum; 728 char *low_str; 729 struct cil_level *low; 730 char *high_str; 731 struct cil_level *high; 732 }; 733 734 struct cil_context { 735 struct cil_symtab_datum datum; 736 char *user_str; 737 struct cil_user *user; 738 char *role_str; 739 struct cil_role *role; 740 char *type_str; 741 void *type; /* type or alias */ 742 char *range_str; 743 struct cil_levelrange *range; 744 }; 745 746 enum cil_filecon_types { 747 CIL_FILECON_ANY = 0, 748 CIL_FILECON_FILE, 749 CIL_FILECON_DIR, 750 CIL_FILECON_CHAR, 751 CIL_FILECON_BLOCK, 752 CIL_FILECON_SOCKET, 753 CIL_FILECON_PIPE, 754 CIL_FILECON_SYMLINK, 755 }; 756 757 struct cil_filecon { 758 char *path_str; 759 struct cil_symtab_datum *path; 760 enum cil_filecon_types type; 761 char *context_str; 762 struct cil_context *context; 763 }; 764 765 enum cil_protocol { 766 CIL_PROTOCOL_UDP = 1, 767 CIL_PROTOCOL_TCP, 768 CIL_PROTOCOL_DCCP, 769 CIL_PROTOCOL_SCTP 770 }; 771 772 struct cil_ibpkeycon { 773 char *subnet_prefix_str; 774 uint32_t pkey_low; 775 uint32_t pkey_high; 776 char *context_str; 777 struct cil_context *context; 778 }; 779 780 struct cil_portcon { 781 enum cil_protocol proto; 782 uint32_t port_low; 783 uint32_t port_high; 784 char *context_str; 785 struct cil_context *context; 786 }; 787 788 struct cil_nodecon { 789 char *addr_str; 790 struct cil_ipaddr *addr; 791 char *mask_str; 792 struct cil_ipaddr *mask; 793 char *context_str; 794 struct cil_context *context; 795 }; 796 797 struct cil_ipaddr { 798 struct cil_symtab_datum datum; 799 int family; 800 union { 801 struct in_addr v4; 802 struct in6_addr v6; 803 } ip; 804 }; 805 806 struct cil_genfscon { 807 char *fs_str; 808 char *path_str; 809 enum cil_filecon_types file_type; 810 char *context_str; 811 struct cil_context *context; 812 }; 813 814 struct cil_netifcon { 815 char *interface_str; 816 char *if_context_str; 817 struct cil_context *if_context; 818 char *packet_context_str; 819 struct cil_context *packet_context; 820 char *context_str; 821 }; 822 823 struct cil_ibendportcon { 824 char *dev_name_str; 825 uint32_t port; 826 char *context_str; 827 struct cil_context *context; 828 }; 829 struct cil_pirqcon { 830 uint32_t pirq; 831 char *context_str; 832 struct cil_context *context; 833 }; 834 835 struct cil_iomemcon { 836 uint64_t iomem_low; 837 uint64_t iomem_high; 838 char *context_str; 839 struct cil_context *context; 840 }; 841 842 struct cil_ioportcon { 843 uint32_t ioport_low; 844 uint32_t ioport_high; 845 char *context_str; 846 struct cil_context *context; 847 }; 848 849 struct cil_pcidevicecon { 850 uint32_t dev; 851 char *context_str; 852 struct cil_context *context; 853 }; 854 855 struct cil_devicetreecon { 856 char *path; 857 char *context_str; 858 struct cil_context *context; 859 }; 860 861 862 /* Ensure that CIL uses the same values as sepol services.h */ 863 enum cil_fsuse_types { 864 CIL_FSUSE_XATTR = SECURITY_FS_USE_XATTR, 865 CIL_FSUSE_TASK = SECURITY_FS_USE_TASK, 866 CIL_FSUSE_TRANS = SECURITY_FS_USE_TRANS 867 }; 868 869 struct cil_fsuse { 870 enum cil_fsuse_types type; 871 char *fs_str; 872 char *context_str; 873 struct cil_context *context; 874 }; 875 876 #define CIL_MLS_LEVELS "l1 l2 h1 h2" 877 #define CIL_CONSTRAIN_KEYS "t1 t2 r1 r2 u1 u2" 878 #define CIL_MLSCONSTRAIN_KEYS CIL_MLS_LEVELS CIL_CONSTRAIN_KEYS 879 #define CIL_CONSTRAIN_OPER "== != eq dom domby incomp not and or" 880 struct cil_constrain { 881 struct cil_list *classperms; 882 struct cil_list *str_expr; 883 struct cil_list *datum_expr; 884 }; 885 886 struct cil_validatetrans { 887 char *class_str; 888 struct cil_class *class; 889 struct cil_list *str_expr; 890 struct cil_list *datum_expr; 891 }; 892 893 struct cil_param { 894 char *str; 895 enum cil_flavor flavor; 896 }; 897 898 struct cil_macro { 899 struct cil_symtab_datum datum; 900 symtab_t symtab[CIL_SYM_NUM]; 901 struct cil_list *params; 902 }; 903 904 struct cil_args { 905 char *arg_str; 906 struct cil_symtab_datum *arg; 907 char *param_str; 908 enum cil_flavor flavor; 909 }; 910 911 struct cil_call { 912 char *macro_str; 913 struct cil_macro *macro; 914 struct cil_tree *args_tree; 915 struct cil_list *args; 916 int copied; 917 }; 918 919 #define CIL_TRUE 1 920 #define CIL_FALSE 0 921 922 struct cil_condblock { 923 enum cil_flavor flavor; 924 symtab_t symtab[CIL_SYM_NUM]; 925 }; 926 927 struct cil_booleanif { 928 struct cil_list *str_expr; 929 struct cil_list *datum_expr; 930 int preserved_tunable; 931 }; 932 933 struct cil_tunableif { 934 struct cil_list *str_expr; 935 struct cil_list *datum_expr; 936 }; 937 938 struct cil_policycap { 939 struct cil_symtab_datum datum; 940 }; 941 942 struct cil_bounds { 943 char *parent_str; 944 void *parent; 945 char *child_str; 946 void *child; 947 }; 948 949 /* Ensure that CIL uses the same values as sepol policydb.h */ 950 enum cil_default_object { 951 CIL_DEFAULT_SOURCE = DEFAULT_SOURCE, 952 CIL_DEFAULT_TARGET = DEFAULT_TARGET, 953 }; 954 955 /* Default labeling behavior for users, roles, and types */ 956 struct cil_default { 957 enum cil_flavor flavor; 958 struct cil_list *class_strs; 959 struct cil_list *class_datums; 960 enum cil_default_object object; 961 }; 962 963 /* Ensure that CIL uses the same values as sepol policydb.h */ 964 enum cil_default_object_range { 965 CIL_DEFAULT_SOURCE_LOW = DEFAULT_SOURCE_LOW, 966 CIL_DEFAULT_SOURCE_HIGH = DEFAULT_SOURCE_HIGH, 967 CIL_DEFAULT_SOURCE_LOW_HIGH = DEFAULT_SOURCE_LOW_HIGH, 968 CIL_DEFAULT_TARGET_LOW = DEFAULT_TARGET_LOW, 969 CIL_DEFAULT_TARGET_HIGH = DEFAULT_TARGET_HIGH, 970 CIL_DEFAULT_TARGET_LOW_HIGH = DEFAULT_TARGET_LOW_HIGH, 971 CIL_DEFAULT_GLBLUB = DEFAULT_GLBLUB, 972 }; 973 974 /* Default labeling behavior for range */ 975 struct cil_defaultrange { 976 struct cil_list *class_strs; 977 struct cil_list *class_datums; 978 enum cil_default_object_range object_range; 979 }; 980 981 struct cil_handleunknown { 982 int handle_unknown; 983 }; 984 985 struct cil_mls { 986 int value; 987 }; 988 989 struct cil_src_info { 990 char *kind; 991 uint32_t hll_line; 992 char *path; 993 }; 994 995 void cil_db_init(struct cil_db **db); 996 void cil_db_destroy(struct cil_db **db); 997 998 void cil_root_init(struct cil_root **root); 999 void cil_root_destroy(struct cil_root *root); 1000 1001 void cil_destroy_data(void **data, enum cil_flavor flavor); 1002 1003 int cil_flavor_to_symtab_index(enum cil_flavor flavor, enum cil_sym_index *index); 1004 const char * cil_node_to_string(struct cil_tree_node *node); 1005 1006 int cil_userprefixes_to_string(struct cil_db *db, char **out, size_t *size); 1007 int cil_selinuxusers_to_string(struct cil_db *db, char **out, size_t *size); 1008 int cil_filecons_to_string(struct cil_db *db, char **out, size_t *size); 1009 1010 void cil_symtab_array_init(symtab_t symtab[], const int symtab_sizes[CIL_SYM_NUM]); 1011 void cil_symtab_array_destroy(symtab_t symtab[]); 1012 void cil_destroy_ast_symtabs(struct cil_tree_node *root); 1013 int cil_get_symtab(struct cil_tree_node *ast_node, symtab_t **symtab, enum cil_sym_index sym_index); 1014 int cil_string_to_uint32(const char *string, uint32_t *value, int base); 1015 int cil_string_to_uint64(const char *string, uint64_t *value, int base); 1016 1017 void cil_sort_init(struct cil_sort **sort); 1018 void cil_sort_destroy(struct cil_sort **sort); 1019 void cil_ordered_init(struct cil_ordered **ordered); 1020 void cil_netifcon_init(struct cil_netifcon **netifcon); 1021 void cil_ibendportcon_init(struct cil_ibendportcon **ibendportcon); 1022 void cil_context_init(struct cil_context **context); 1023 void cil_level_init(struct cil_level **level); 1024 void cil_levelrange_init(struct cil_levelrange **lvlrange); 1025 void cil_sens_init(struct cil_sens **sens); 1026 void cil_block_init(struct cil_block **block); 1027 void cil_blockinherit_init(struct cil_blockinherit **inherit); 1028 void cil_blockabstract_init(struct cil_blockabstract **abstract); 1029 void cil_in_init(struct cil_in **in); 1030 void cil_class_init(struct cil_class **class); 1031 void cil_classcommon_init(struct cil_classcommon **classcommon); 1032 void cil_sid_init(struct cil_sid **sid); 1033 void cil_sidcontext_init(struct cil_sidcontext **sidcontext); 1034 void cil_userrole_init(struct cil_userrole **userrole); 1035 void cil_userprefix_init(struct cil_userprefix **userprefix); 1036 void cil_selinuxuser_init(struct cil_selinuxuser **selinuxuser); 1037 void cil_roleattribute_init(struct cil_roleattribute **attribute); 1038 void cil_roleattributeset_init(struct cil_roleattributeset **attrset); 1039 void cil_roletype_init(struct cil_roletype **roletype); 1040 void cil_typeattribute_init(struct cil_typeattribute **attribute); 1041 void cil_typeattributeset_init(struct cil_typeattributeset **attrset); 1042 void cil_expandtypeattribute_init(struct cil_expandtypeattribute **expandattr); 1043 void cil_alias_init(struct cil_alias **alias); 1044 void cil_aliasactual_init(struct cil_aliasactual **aliasactual); 1045 void cil_typepermissive_init(struct cil_typepermissive **typeperm); 1046 void cil_nametypetransition_init(struct cil_nametypetransition **nametypetrans); 1047 void cil_rangetransition_init(struct cil_rangetransition **rangetrans); 1048 void cil_bool_init(struct cil_bool **cilbool); 1049 void cil_boolif_init(struct cil_booleanif **bif); 1050 void cil_condblock_init(struct cil_condblock **cb); 1051 void cil_tunable_init(struct cil_tunable **ciltun); 1052 void cil_tunif_init(struct cil_tunableif **tif); 1053 void cil_avrule_init(struct cil_avrule **avrule); 1054 void cil_permissionx_init(struct cil_permissionx **permx); 1055 void cil_deny_rule_init(struct cil_deny_rule **rule); 1056 void cil_type_rule_init(struct cil_type_rule **type_rule); 1057 void cil_roletransition_init(struct cil_roletransition **roletrans); 1058 void cil_roleallow_init(struct cil_roleallow **role_allow); 1059 void cil_catset_init(struct cil_catset **catset); 1060 void cil_cats_init(struct cil_cats **cats); 1061 void cil_senscat_init(struct cil_senscat **senscat); 1062 void cil_filecon_init(struct cil_filecon **filecon); 1063 void cil_ibpkeycon_init(struct cil_ibpkeycon **ibpkeycon); 1064 void cil_portcon_init(struct cil_portcon **portcon); 1065 void cil_nodecon_init(struct cil_nodecon **nodecon); 1066 void cil_genfscon_init(struct cil_genfscon **genfscon); 1067 void cil_pirqcon_init(struct cil_pirqcon **pirqcon); 1068 void cil_iomemcon_init(struct cil_iomemcon **iomemcon); 1069 void cil_ioportcon_init(struct cil_ioportcon **ioportcon); 1070 void cil_pcidevicecon_init(struct cil_pcidevicecon **pcidevicecon); 1071 void cil_devicetreecon_init(struct cil_devicetreecon **devicetreecon); 1072 void cil_fsuse_init(struct cil_fsuse **fsuse); 1073 void cil_constrain_init(struct cil_constrain **constrain); 1074 void cil_validatetrans_init(struct cil_validatetrans **validtrans); 1075 void cil_ipaddr_init(struct cil_ipaddr **ipaddr); 1076 void cil_perm_init(struct cil_perm **perm); 1077 void cil_classpermission_init(struct cil_classpermission **cp); 1078 void cil_classpermissionset_init(struct cil_classpermissionset **cps); 1079 void cil_classperms_set_init(struct cil_classperms_set **cp_set); 1080 void cil_classperms_init(struct cil_classperms **cp); 1081 void cil_classmapping_init(struct cil_classmapping **mapping); 1082 void cil_user_init(struct cil_user **user); 1083 void cil_userlevel_init(struct cil_userlevel **usrlvl); 1084 void cil_userrange_init(struct cil_userrange **userrange); 1085 void cil_role_init(struct cil_role **role); 1086 void cil_type_init(struct cil_type **type); 1087 void cil_cat_init(struct cil_cat **cat); 1088 void cil_args_init(struct cil_args **args); 1089 void cil_call_init(struct cil_call **call); 1090 void cil_optional_init(struct cil_optional **optional); 1091 void cil_param_init(struct cil_param **param); 1092 void cil_macro_init(struct cil_macro **macro); 1093 void cil_policycap_init(struct cil_policycap **policycap); 1094 void cil_bounds_init(struct cil_bounds **bounds); 1095 void cil_default_init(struct cil_default **def); 1096 void cil_defaultrange_init(struct cil_defaultrange **def); 1097 void cil_handleunknown_init(struct cil_handleunknown **unk); 1098 void cil_mls_init(struct cil_mls **mls); 1099 void cil_src_info_init(struct cil_src_info **info); 1100 void cil_userattribute_init(struct cil_userattribute **attribute); 1101 void cil_userattributeset_init(struct cil_userattributeset **attrset); 1102 1103 #endif 1104