[8bd77b5] | 1 | |
---|
| 2 | /** |
---|
| 3 | ** abac_aspect.c |
---|
| 4 | **/ |
---|
| 5 | |
---|
| 6 | |
---|
| 7 | #include <assert.h> |
---|
| 8 | #include <stdlib.h> |
---|
| 9 | #include <stdio.h> |
---|
| 10 | #include <string.h> |
---|
| 11 | |
---|
| 12 | #include "abac_list.h" |
---|
| 13 | #include "abac_util.h" |
---|
| 14 | |
---|
| 15 | #include "abac_internal.h" |
---|
| 16 | |
---|
| 17 | static int debug=0; |
---|
| 18 | /* |
---|
| 19 | A.role <- B |
---|
| 20 | A.role <- B.role |
---|
| 21 | A.role <- B.role.role |
---|
| 22 | |
---|
| 23 | A.oset <- B |
---|
| 24 | A.oset <- Obj |
---|
| 25 | A.oset <- B.oset |
---|
| 26 | A.oset <- B.role.oset |
---|
| 27 | */ |
---|
| 28 | |
---|
| 29 | /* can store either a role or oset */ |
---|
| 30 | struct _abac_aspect_t { |
---|
| 31 | int aspect_type; |
---|
| 32 | int is_object; |
---|
| 33 | |
---|
| 34 | char *principal_name; |
---|
[d037f54] | 35 | char *principal_name_p; // pPrincipal_name |
---|
[8bd77b5] | 36 | abac_term_t *principal_object; |
---|
| 37 | |
---|
| 38 | char *linked_role_name; |
---|
| 39 | abac_param_list_t *linked_role_params; |
---|
| 40 | |
---|
| 41 | char *aspect_name; |
---|
| 42 | abac_param_list_t *aspect_params; |
---|
| 43 | |
---|
| 44 | char *type_string; // "oset" or "role" |
---|
| 45 | |
---|
| 46 | abac_list_t *prereqs; |
---|
| 47 | int refcount; |
---|
| 48 | }; |
---|
| 49 | |
---|
| 50 | /**************************************************************/ |
---|
[440ba20] | 51 | void abac_aspect_dump(abac_aspect_t *ptr, char* offset) |
---|
| 52 | { |
---|
| 53 | char *tmp=NULL; |
---|
| 54 | asprintf(&tmp," %s",offset); |
---|
| 55 | if(ptr->prereqs != 0) { |
---|
| 56 | abac_aspect_t *cur; |
---|
| 57 | abac_list_foreach(ptr->prereqs, cur, |
---|
| 58 | if(cur) |
---|
| 59 | abac_aspect_dump(cur, tmp); |
---|
| 60 | ); |
---|
| 61 | return; |
---|
| 62 | } |
---|
| 63 | |
---|
| 64 | printf("\n..... an aspect .....\n"); |
---|
| 65 | printf("%s aspect_type: %d(%s)\n", offset, ptr->aspect_type, abac_aspect_type_string(ptr)); |
---|
| 66 | printf("%s is_object: %d\n", offset, ptr->is_object); |
---|
| 67 | printf("%s principal_name: %s\n", offset, ptr->principal_name); |
---|
| 68 | if(ptr->principal_name_p) |
---|
| 69 | printf("%s principal_name_p: %s\n", offset, ptr->principal_name_p); |
---|
| 70 | else printf("%s principal_name_p: --\n", offset); |
---|
| 71 | if(ptr->principal_object) |
---|
| 72 | abac_term_dump(ptr->principal_object, tmp); |
---|
| 73 | else ("%s principal_object: --\n", offset); |
---|
| 74 | if(ptr->linked_role_name) |
---|
| 75 | printf("%s linked_role_name: %s\n", offset, ptr->linked_role_name); |
---|
| 76 | else printf("%s linked_role_name: --\n", offset); |
---|
| 77 | if(ptr->linked_role_params) |
---|
| 78 | abac_param_dump(ptr->linked_role_params, tmp); |
---|
| 79 | else printf("%s linked_role_params: --\n", offset); |
---|
| 80 | if(ptr->aspect_name) |
---|
| 81 | printf("%s aspect_name: %s\n", offset, ptr->aspect_name); |
---|
| 82 | else printf("%s aspect_name: --\n", offset); |
---|
| 83 | if(ptr->aspect_params) |
---|
| 84 | abac_param_dump(ptr->aspect_params, tmp); |
---|
| 85 | else printf("%s aspect_params: --\n", offset); |
---|
| 86 | if(ptr->type_string) |
---|
| 87 | printf("%s type_string:- %s\n", offset, ptr->type_string); |
---|
| 88 | else printf("%s type_string: --\n", offset); |
---|
| 89 | printf("%s refcount:- %d\n", offset, ptr->refcount); |
---|
| 90 | printf(".................................."); |
---|
| 91 | free(tmp); |
---|
| 92 | } |
---|
| 93 | |
---|
[8bd77b5] | 94 | bool abac_aspect_is_oset(abac_aspect_t *ptr) |
---|
| 95 | { |
---|
| 96 | assert(ptr); |
---|
| 97 | if(ptr->aspect_type==e_ASPECTTYPE_OSET) |
---|
| 98 | return 1; |
---|
| 99 | return 0; |
---|
| 100 | } |
---|
| 101 | |
---|
| 102 | |
---|
| 103 | bool abac_aspect_is_role(abac_aspect_t *ptr) |
---|
| 104 | { |
---|
| 105 | assert(ptr); |
---|
| 106 | if(ptr->aspect_type==e_ASPECTTYPE_ROLE) |
---|
| 107 | return 1; |
---|
| 108 | return 0; |
---|
| 109 | } |
---|
| 110 | |
---|
| 111 | bool abac_aspect_is_intersecting(abac_aspect_t *ptr) |
---|
| 112 | { |
---|
| 113 | assert(ptr); |
---|
| 114 | if(ptr->aspect_type==e_ASPECTTYPE_INTERSECTING) |
---|
| 115 | return 1; |
---|
| 116 | return 0; |
---|
| 117 | } |
---|
| 118 | |
---|
| 119 | /* A.role->B or A.oset->B */ |
---|
| 120 | bool abac_aspect_is_principal(abac_aspect_t *ptr) { |
---|
| 121 | assert(ptr != NULL); |
---|
| 122 | return ptr->is_object == 0 && |
---|
| 123 | ptr->aspect_name == NULL && |
---|
| 124 | ptr->linked_role_name == NULL && |
---|
| 125 | ptr->prereqs == NULL; |
---|
| 126 | } |
---|
| 127 | |
---|
| 128 | /* A.oset->O */ |
---|
| 129 | bool abac_aspect_is_object(abac_aspect_t *ptr) |
---|
| 130 | { |
---|
| 131 | assert(ptr); |
---|
| 132 | if(ptr->aspect_type == e_ASPECTTYPE_OSET) |
---|
| 133 | return ptr->is_object; |
---|
| 134 | return 0; |
---|
| 135 | } |
---|
| 136 | |
---|
| 137 | /* A.role->B.role.role or A.oset->B.role.oset */ |
---|
| 138 | bool abac_aspect_is_linking(abac_aspect_t *ptr) |
---|
| 139 | { |
---|
| 140 | assert(ptr); |
---|
| 141 | return ptr->linked_role_name != NULL; |
---|
| 142 | } |
---|
| 143 | |
---|
| 144 | /** |
---|
| 145 | * True if an aspect is an intersection. |
---|
| 146 | */ |
---|
| 147 | bool abac_aspect_is_intersection(abac_aspect_t *ptr) |
---|
| 148 | { |
---|
| 149 | assert(ptr); |
---|
| 150 | return ptr->prereqs != NULL; |
---|
| 151 | } |
---|
| 152 | |
---|
| 153 | /** |
---|
| 154 | * return the type that is common to all the intersecting aspects |
---|
| 155 | */ |
---|
| 156 | int abac_aspect_intersecting_aspect_type(abac_aspect_t *ptr) |
---|
| 157 | { |
---|
| 158 | assert(ptr); |
---|
| 159 | assert(ptr->prereqs); |
---|
| 160 | abac_aspect_t *cur; |
---|
| 161 | int first=1; |
---|
| 162 | int type; |
---|
| 163 | abac_list_foreach(ptr->prereqs, cur, |
---|
| 164 | if(first) { |
---|
| 165 | type=abac_aspect_aspect_type(cur); |
---|
| 166 | first=0; |
---|
| 167 | } else { |
---|
| 168 | if(abac_aspect_aspect_type(cur) != type) |
---|
| 169 | errx(1,"Intersecting tails are not of the same type"); |
---|
| 170 | } |
---|
| 171 | ); |
---|
| 172 | return type; |
---|
| 173 | } |
---|
| 174 | |
---|
| 175 | /** |
---|
| 176 | * Returns the prereqs of an intersection. |
---|
| 177 | */ |
---|
| 178 | abac_list_t *abac_aspect_prereqs(abac_aspect_t *ptr) |
---|
| 179 | { |
---|
| 180 | assert(ptr); |
---|
| 181 | return ptr->prereqs; |
---|
| 182 | } |
---|
| 183 | |
---|
| 184 | char* abac_aspect_type_string(abac_aspect_t *ptr) |
---|
| 185 | { |
---|
| 186 | assert(ptr); |
---|
| 187 | return ptr->type_string; |
---|
| 188 | } |
---|
| 189 | |
---|
| 190 | int abac_aspect_aspect_type(abac_aspect_t *ptr) |
---|
| 191 | { |
---|
| 192 | assert(ptr); |
---|
| 193 | return ptr->aspect_type; |
---|
| 194 | } |
---|
| 195 | |
---|
| 196 | /** |
---|
| 197 | * Returns the linked part of a linking aspect. |
---|
| 198 | * For instance, if the aspect is A.r1.r2, this returns r1. |
---|
| 199 | */ |
---|
| 200 | char *abac_aspect_linked_role_name(abac_aspect_t *ptr) |
---|
| 201 | { |
---|
| 202 | assert(ptr); |
---|
| 203 | return ptr->linked_role_name; |
---|
| 204 | } |
---|
| 205 | |
---|
| 206 | /* A.r1 without params or constraints, callee needs to free it*/ |
---|
| 207 | char *abac_aspect_linked_role_bare(abac_aspect_t *ptr) |
---|
| 208 | { |
---|
| 209 | assert(ptr); |
---|
| 210 | assert(ptr->principal_name); |
---|
| 211 | assert(ptr->linked_role_name); |
---|
| 212 | char *tmp=NULL; |
---|
| 213 | asprintf(&tmp,"%s.%s",ptr->principal_name,ptr->linked_role_name); |
---|
| 214 | return tmp; |
---|
| 215 | } |
---|
| 216 | |
---|
| 217 | abac_param_list_t *abac_aspect_linked_role_params(abac_aspect_t *ptr) |
---|
| 218 | { |
---|
| 219 | assert(ptr); |
---|
| 220 | return ptr->linked_role_params; |
---|
| 221 | } |
---|
| 222 | |
---|
| 223 | /** |
---|
| 224 | * Returns the name of an aspect. If the aspect is A.r1 then return r1. |
---|
| 225 | * If the aspect is A.r1.r2 then return r2. |
---|
| 226 | */ |
---|
| 227 | char *abac_aspect_aspect_name(abac_aspect_t *ptr) { |
---|
| 228 | assert(ptr); |
---|
| 229 | return ptr->aspect_name; |
---|
| 230 | } |
---|
| 231 | |
---|
| 232 | abac_param_list_t *abac_aspect_aspect_params(abac_aspect_t *ptr) |
---|
| 233 | { |
---|
| 234 | assert(ptr); |
---|
| 235 | return ptr->aspect_params; |
---|
| 236 | } |
---|
| 237 | |
---|
| 238 | /** |
---|
| 239 | * Returns the principal part of an aspect. The stuff before the first dot. |
---|
| 240 | */ |
---|
| 241 | char *abac_aspect_principal_name(abac_aspect_t *ptr) |
---|
| 242 | { |
---|
| 243 | assert(ptr); |
---|
| 244 | if(USE("ABAC_CN")) |
---|
| 245 | return abac_cn_with_sha(ptr->principal_name); |
---|
[d037f54] | 246 | if(ABAC_IN_PROLOG) { |
---|
| 247 | return ptr->principal_name_p; |
---|
| 248 | } else return ptr->principal_name; |
---|
[8bd77b5] | 249 | } |
---|
| 250 | |
---|
| 251 | char *abac_aspect_principal_principalname(abac_aspect_t *ptr) |
---|
| 252 | { |
---|
| 253 | assert(ptr); |
---|
[d037f54] | 254 | if(ABAC_IN_PROLOG) |
---|
| 255 | return ptr->principal_name_p; |
---|
[8bd77b5] | 256 | return ptr->principal_name; |
---|
| 257 | } |
---|
| 258 | |
---|
[13c9479] | 259 | char *abac_aspect_principal_type(abac_aspect_t *ptr) |
---|
| 260 | { |
---|
| 261 | assert(ptr); |
---|
| 262 | return abac_idtype_with_sha(ptr->principal_name); |
---|
| 263 | } |
---|
| 264 | |
---|
[8bd77b5] | 265 | char *abac_aspect_principal_cn(abac_aspect_t *ptr) |
---|
| 266 | { |
---|
| 267 | assert(ptr); |
---|
| 268 | return abac_cn_with_sha(ptr->principal_name); |
---|
| 269 | } |
---|
| 270 | |
---|
[440ba20] | 271 | abac_term_t *abac_aspect_object_term(abac_aspect_t *ptr) |
---|
| 272 | { |
---|
| 273 | return ptr->principal_object; |
---|
| 274 | } |
---|
| 275 | |
---|
[8bd77b5] | 276 | char *abac_aspect_object_name(abac_aspect_t *ptr) |
---|
| 277 | { |
---|
| 278 | assert(ptr); |
---|
| 279 | assert(ptr->is_object); |
---|
| 280 | abac_term_t *obj=ptr->principal_object; |
---|
| 281 | char *tmp=abac_term_name(obj); |
---|
| 282 | return abac_term_name(obj); |
---|
| 283 | } |
---|
| 284 | |
---|
| 285 | char *abac_aspect_object_type(abac_aspect_t *ptr) |
---|
| 286 | { |
---|
| 287 | assert(ptr); |
---|
| 288 | assert(ptr->is_object); |
---|
| 289 | abac_term_t *obj=ptr->principal_object; |
---|
| 290 | char *tmp=abac_term_type_name(obj); |
---|
| 291 | return tmp; |
---|
| 292 | } |
---|
| 293 | |
---|
| 294 | abac_condition_t *abac_aspect_object_constraint(abac_aspect_t *ptr) |
---|
| 295 | { |
---|
| 296 | assert(ptr != NULL); |
---|
| 297 | assert(ptr->is_object); |
---|
| 298 | abac_term_t *obj=ptr->principal_object; |
---|
| 299 | return abac_term_constraint(obj); |
---|
| 300 | } |
---|
| 301 | |
---|
[440ba20] | 302 | char* abac_aspect_get_issuer_keytype(abac_aspect_t *ptr) |
---|
| 303 | { |
---|
| 304 | abac_id_t *issuer_id; |
---|
| 305 | char *principalname=abac_aspect_principal_principalname(ptr); |
---|
| 306 | if(principalname) { |
---|
| 307 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
---|
| 308 | if(id_cred) { |
---|
| 309 | issuer_id=abac_id_credential_id(id_cred); |
---|
| 310 | return abac_id_keyid(issuer_id); |
---|
| 311 | } |
---|
| 312 | } |
---|
| 313 | return NULL; |
---|
| 314 | } |
---|
| 315 | |
---|
| 316 | int abac_aspect_get_issuer_idtype(abac_aspect_t *ptr) |
---|
| 317 | { |
---|
| 318 | abac_id_t *issuer_id; |
---|
| 319 | char *principalname=abac_aspect_principal_principalname(ptr); |
---|
| 320 | if(principalname) { |
---|
| 321 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
---|
| 322 | if(id_cred) { |
---|
| 323 | issuer_id=abac_id_credential_id(id_cred); |
---|
| 324 | return abac_id_idtype(issuer_id); |
---|
| 325 | } |
---|
| 326 | } |
---|
| 327 | return 0; |
---|
| 328 | } |
---|
| 329 | |
---|
[8bd77b5] | 330 | abac_id_t *abac_aspect_get_issuer_id(abac_aspect_t *ptr) |
---|
| 331 | { |
---|
| 332 | abac_id_t *issuer_id; |
---|
| 333 | char *principalname=abac_aspect_principal_principalname(ptr); |
---|
| 334 | if(principalname) { |
---|
| 335 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
---|
| 336 | if(id_cred) |
---|
| 337 | issuer_id=abac_id_credential_id(id_cred); |
---|
| 338 | } |
---|
| 339 | return issuer_id; |
---|
| 340 | } |
---|
| 341 | /** |
---|
| 342 | * Increase a aspect's reference count. |
---|
| 343 | */ |
---|
| 344 | abac_aspect_t *abac_aspect_dup(abac_aspect_t *ptr) |
---|
| 345 | { |
---|
| 346 | assert(ptr != NULL); |
---|
| 347 | ++ptr->refcount; |
---|
| 348 | return ptr; |
---|
| 349 | } |
---|
| 350 | |
---|
| 351 | /** |
---|
| 352 | * Decrease an aspect's reference count, freeing it when it reaches 0. |
---|
| 353 | */ |
---|
| 354 | void abac_aspect_free(abac_aspect_t *ptr) { |
---|
| 355 | |
---|
| 356 | if(debug) |
---|
| 357 | printf("DEBUG:trying to freeing an aspect %d\n",(int)ptr); |
---|
| 358 | |
---|
| 359 | assert(ptr); |
---|
| 360 | |
---|
| 361 | --ptr->refcount; |
---|
| 362 | if (ptr->refcount > 0) |
---|
| 363 | return; |
---|
| 364 | |
---|
| 365 | if(ptr->principal_name) free(ptr->principal_name); |
---|
[d037f54] | 366 | if(ptr->principal_name_p) free(ptr->principal_name_p); |
---|
[8bd77b5] | 367 | if(ptr->linked_role_name) free(ptr->linked_role_name); |
---|
| 368 | if(ptr->aspect_name) free(ptr->aspect_name); |
---|
| 369 | |
---|
| 370 | if(ptr->type_string) free(ptr->type_string); |
---|
| 371 | |
---|
| 372 | if (ptr->aspect_params != NULL) { |
---|
| 373 | abac_param_list_free(ptr->aspect_params); |
---|
| 374 | } |
---|
| 375 | |
---|
| 376 | if (ptr->linked_role_params != NULL) { |
---|
| 377 | abac_param_list_free(ptr->linked_role_params); |
---|
| 378 | } |
---|
| 379 | |
---|
| 380 | if (ptr->prereqs != NULL) { |
---|
| 381 | abac_aspect_t *cur; |
---|
| 382 | abac_list_foreach(ptr->prereqs, cur, |
---|
| 383 | abac_aspect_free(cur); |
---|
| 384 | ); |
---|
| 385 | abac_list_free(ptr->prereqs); |
---|
| 386 | } |
---|
| 387 | |
---|
| 388 | free(ptr); |
---|
| 389 | } |
---|
| 390 | |
---|
| 391 | /**********************************************************************/ |
---|
| 392 | |
---|
| 393 | abac_aspect_t *abac_aspect_add_param(abac_aspect_t *ptr, abac_term_t *param) |
---|
| 394 | { |
---|
| 395 | if(ptr->aspect_params == NULL) { |
---|
| 396 | ptr->aspect_params=abac_param_list_new(param); |
---|
| 397 | } else { |
---|
| 398 | abac_param_list_add_term(ptr->aspect_params, param); |
---|
| 399 | } |
---|
| 400 | return ptr; |
---|
| 401 | } |
---|
| 402 | |
---|
| 403 | abac_aspect_t *abac_aspect_add_intersecting_aspect(abac_aspect_t *ptr, abac_aspect_t *aspect) |
---|
| 404 | { |
---|
| 405 | abac_list_add(ptr->prereqs, abac_aspect_dup(aspect)); |
---|
| 406 | return ptr; |
---|
| 407 | } |
---|
| 408 | |
---|
| 409 | abac_aspect_t *abac_aspect_add_linked_param(abac_aspect_t *ptr, abac_term_t *param) |
---|
| 410 | { |
---|
| 411 | if(ptr->linked_role_params == NULL) { |
---|
| 412 | ptr->linked_role_params=abac_param_list_new(param); |
---|
| 413 | } else { |
---|
| 414 | abac_param_list_add_term(ptr->linked_role_params, param); |
---|
| 415 | } |
---|
| 416 | return ptr; |
---|
| 417 | } |
---|
| 418 | |
---|
| 419 | |
---|
| 420 | /**********************************************************************/ |
---|
| 421 | |
---|
| 422 | /** |
---|
| 423 | * Create a new principal and initialize it. |
---|
| 424 | * always with the proper SHA string |
---|
| 425 | */ |
---|
| 426 | static abac_aspect_t *_abac_aspect_init() |
---|
| 427 | { |
---|
| 428 | abac_aspect_t *ptr = (abac_aspect_t *) abac_xmalloc(sizeof(abac_aspect_t)); |
---|
| 429 | |
---|
| 430 | ptr->is_object=0; |
---|
| 431 | ptr->principal_name = NULL; |
---|
[d037f54] | 432 | ptr->principal_name_p = NULL; |
---|
[8bd77b5] | 433 | ptr->aspect_type=e_ASPECTTYPE_NULL; |
---|
| 434 | |
---|
| 435 | ptr->aspect_name = NULL; |
---|
| 436 | ptr->aspect_params = NULL; |
---|
| 437 | |
---|
| 438 | ptr->linked_role_name = NULL; |
---|
| 439 | ptr->linked_role_params = NULL; |
---|
| 440 | |
---|
| 441 | ptr->type_string=NULL; |
---|
| 442 | |
---|
| 443 | ptr->prereqs = NULL; |
---|
| 444 | ptr->refcount = 1; |
---|
| 445 | } |
---|
| 446 | |
---|
| 447 | abac_aspect_t *abac_aspect_principal_new(int type, char *principal_name) |
---|
| 448 | { |
---|
| 449 | assert(principal_name != NULL); |
---|
| 450 | |
---|
| 451 | if (strlen(principal_name) == 0) |
---|
| 452 | return NULL; |
---|
| 453 | |
---|
| 454 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 455 | ptr->aspect_type=type; |
---|
| 456 | ptr->principal_name = strdup(principal_name); |
---|
[d037f54] | 457 | ptr->principal_name_p = prologIt(principal_name); |
---|
[8bd77b5] | 458 | if(type==e_ASPECTTYPE_ROLE) |
---|
| 459 | ptr->type_string=abac_xstrdup("role"); |
---|
| 460 | if(type==e_ASPECTTYPE_OSET) |
---|
| 461 | ptr->type_string=abac_xstrdup("oset"); |
---|
| 462 | return ptr; |
---|
| 463 | } |
---|
| 464 | |
---|
| 465 | abac_aspect_t *abac_aspect_role_principal_new(char *principal_name) |
---|
| 466 | { |
---|
| 467 | return abac_aspect_principal_new(e_ASPECTTYPE_ROLE,principal_name); |
---|
| 468 | } |
---|
| 469 | |
---|
| 470 | abac_aspect_t *abac_aspect_role_principal_create(char *principal_name) |
---|
| 471 | { |
---|
[d037f54] | 472 | return abac_aspect_principal_new(e_ASPECTTYPE_ROLE,principal_name); |
---|
[8bd77b5] | 473 | } |
---|
| 474 | |
---|
| 475 | abac_aspect_t *abac_aspect_oset_principal_new(char *principal_name) |
---|
| 476 | { |
---|
| 477 | return abac_aspect_principal_new(e_ASPECTTYPE_OSET,principal_name); |
---|
| 478 | } |
---|
| 479 | |
---|
| 480 | abac_aspect_t *abac_aspect_oset_principal_create(char *principal_name) |
---|
| 481 | { |
---|
[d037f54] | 482 | return abac_aspect_principal_new(e_ASPECTTYPE_OSET,principal_name); |
---|
[8bd77b5] | 483 | } |
---|
| 484 | |
---|
| 485 | |
---|
| 486 | abac_aspect_t *abac_aspect_object_new(int type, abac_term_t *object) |
---|
| 487 | { |
---|
| 488 | assert(object != NULL); |
---|
| 489 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 490 | ptr->aspect_type=type; |
---|
| 491 | ptr->is_object =1; |
---|
| 492 | ptr->principal_object = object; |
---|
| 493 | /* can not be role type */ |
---|
| 494 | if(type==e_ASPECTTYPE_OSET) |
---|
| 495 | ptr->type_string=abac_xstrdup("oset"); |
---|
| 496 | |
---|
| 497 | return ptr; |
---|
| 498 | } |
---|
| 499 | |
---|
| 500 | abac_aspect_t *abac_aspect_oset_object_new(abac_term_t *object) |
---|
| 501 | { |
---|
| 502 | return abac_aspect_object_new(e_ASPECTTYPE_OSET, object); |
---|
| 503 | } |
---|
| 504 | |
---|
| 505 | abac_aspect_t *abac_aspect_new(int type, char *principal_name, char *aspect_name) |
---|
| 506 | { |
---|
| 507 | assert(principal_name != NULL); |
---|
| 508 | assert(aspect_name != NULL); |
---|
| 509 | |
---|
| 510 | if (strlen(principal_name) == 0 || strlen(aspect_name) == 0) |
---|
| 511 | return NULL; |
---|
| 512 | |
---|
| 513 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 514 | |
---|
| 515 | ptr->principal_name = strdup(principal_name); |
---|
[d037f54] | 516 | ptr->principal_name_p = prologIt(principal_name); |
---|
[8bd77b5] | 517 | ptr->aspect_type=type; |
---|
| 518 | |
---|
| 519 | ptr->aspect_name = abac_xstrdup(aspect_name); |
---|
| 520 | |
---|
| 521 | if(type==e_ASPECTTYPE_OSET) |
---|
| 522 | ptr->type_string= abac_xstrdup("oset"); |
---|
| 523 | else |
---|
| 524 | ptr->type_string= abac_xstrdup("role"); |
---|
| 525 | |
---|
| 526 | if(debug) |
---|
| 527 | printf("DEBUG:adding a new aspect (%s) to principal (%s)\n", |
---|
| 528 | ptr->aspect_name, ptr->principal_name); |
---|
| 529 | return ptr; |
---|
| 530 | } |
---|
| 531 | |
---|
| 532 | abac_aspect_t *abac_aspect_oset_new(char *principal_name, char *oset_name) |
---|
| 533 | { |
---|
| 534 | return abac_aspect_new(e_ASPECTTYPE_OSET,principal_name, oset_name); |
---|
| 535 | } |
---|
| 536 | |
---|
| 537 | abac_aspect_t *abac_aspect_oset_create(char *principal_name, char *oset_name) |
---|
| 538 | { |
---|
[d037f54] | 539 | return abac_aspect_new(e_ASPECTTYPE_OSET,principal_name,oset_name); |
---|
[8bd77b5] | 540 | } |
---|
| 541 | |
---|
| 542 | abac_aspect_t *abac_aspect_role_new(char *principal_name, char *oset_name) |
---|
| 543 | { |
---|
| 544 | return abac_aspect_new(e_ASPECTTYPE_ROLE,principal_name, oset_name); |
---|
| 545 | } |
---|
| 546 | |
---|
| 547 | abac_aspect_t *abac_aspect_role_create(char *principal_name, char *role_name) |
---|
| 548 | { |
---|
[d037f54] | 549 | return abac_aspect_new(e_ASPECTTYPE_ROLE,principal_name,role_name); |
---|
[8bd77b5] | 550 | } |
---|
| 551 | |
---|
| 552 | /** |
---|
| 553 | * Created a new linking role/oset and initialize it. |
---|
| 554 | */ |
---|
| 555 | abac_aspect_t *abac_aspect_linking_new(int type, char *principal_name, |
---|
| 556 | char *linked_role_name, char *aspect_name) |
---|
| 557 | { |
---|
| 558 | assert(principal_name != NULL); |
---|
| 559 | assert(linked_role_name != NULL); |
---|
| 560 | assert(aspect_name != NULL); |
---|
| 561 | |
---|
| 562 | if (strlen(principal_name) == 0 || |
---|
| 563 | strlen(linked_role_name) == 0 || strlen(aspect_name) == 0) |
---|
| 564 | return NULL; |
---|
| 565 | |
---|
| 566 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 567 | |
---|
| 568 | ptr->is_object=0; |
---|
| 569 | ptr->aspect_type=type; |
---|
| 570 | ptr->principal_name = strdup(principal_name); |
---|
[d037f54] | 571 | ptr->principal_name_p = prologIt(principal_name); |
---|
[8bd77b5] | 572 | |
---|
| 573 | ptr->linked_role_name = strdup(linked_role_name); |
---|
| 574 | ptr->aspect_name = strdup(aspect_name); |
---|
| 575 | ptr->aspect_params = NULL; |
---|
| 576 | |
---|
| 577 | if(debug) |
---|
| 578 | printf("DEBUG:adding a new linked (%s) to oset(%s) for principal(%s)\n", |
---|
| 579 | ptr->linked_role_name, ptr->aspect_name, ptr->principal_name); |
---|
| 580 | |
---|
| 581 | if(type==e_ASPECTTYPE_OSET) |
---|
| 582 | ptr->type_string=abac_xstrdup("oset"); |
---|
| 583 | else ptr->type_string=abac_xstrdup("role"); |
---|
| 584 | |
---|
| 585 | return ptr; |
---|
| 586 | } |
---|
| 587 | |
---|
| 588 | abac_aspect_t *abac_aspect_role_linking_new(char *principal_name, char *linked_role_name, |
---|
| 589 | char *role_name) |
---|
| 590 | { |
---|
| 591 | return abac_aspect_linking_new(e_ASPECTTYPE_ROLE, |
---|
| 592 | principal_name, linked_role_name, role_name); |
---|
| 593 | } |
---|
| 594 | |
---|
| 595 | abac_aspect_t *abac_aspect_oset_linking_new(char *principal_name, char *linked_role_name, |
---|
| 596 | char *oset_name) |
---|
| 597 | { |
---|
| 598 | return abac_aspect_linking_new(e_ASPECTTYPE_OSET, |
---|
| 599 | principal_name, linked_role_name, oset_name); |
---|
| 600 | } |
---|
| 601 | |
---|
| 602 | /** |
---|
| 603 | * Create an intersection oset/role. |
---|
| 604 | */ |
---|
| 605 | abac_aspect_t *abac_aspect_intersection_new(abac_aspect_t *aspect) |
---|
| 606 | { |
---|
| 607 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 608 | ptr->aspect_type=e_ASPECTTYPE_INTERSECTING; |
---|
| 609 | abac_list_t *prereqs = abac_list_new(); |
---|
| 610 | abac_list_add(prereqs, abac_aspect_dup(aspect)); |
---|
| 611 | ptr->prereqs = prereqs; |
---|
| 612 | ptr->refcount = 1; |
---|
| 613 | return ptr; |
---|
| 614 | } |
---|
| 615 | |
---|
| 616 | /*******************************************************************/ |
---|
| 617 | char *abac_aspect_intersecting_string_with_condition(int typed,abac_aspect_t *ptr) |
---|
| 618 | { |
---|
| 619 | assert(ptr != NULL); |
---|
| 620 | char *tmp=NULL; |
---|
| 621 | if (ptr->prereqs != NULL) { |
---|
| 622 | abac_aspect_t *cur; |
---|
| 623 | abac_list_foreach(ptr->prereqs, cur, |
---|
| 624 | char *ntmp=NULL; |
---|
| 625 | if(typed) |
---|
| 626 | ntmp=abac_aspect_typed_string_with_condition(cur); |
---|
| 627 | else |
---|
| 628 | ntmp=abac_aspect_string_with_condition(cur); |
---|
| 629 | if(tmp==NULL) { |
---|
| 630 | asprintf(&tmp,"%s",ntmp); |
---|
| 631 | } else { |
---|
| 632 | asprintf(&tmp,"%s & %s",tmp, ntmp); |
---|
| 633 | } |
---|
| 634 | ); |
---|
| 635 | } |
---|
| 636 | return tmp; |
---|
| 637 | } |
---|
| 638 | |
---|
| 639 | /** |
---|
| 640 | * Returns the string representation of the role/oset. |
---|
| 641 | * principal.osetname(params..) |
---|
| 642 | * principal.rolename(params..) |
---|
| 643 | */ |
---|
| 644 | char *abac_aspect_string_with_condition(abac_aspect_t *ptr) |
---|
| 645 | { |
---|
| 646 | assert(ptr != NULL); |
---|
| 647 | |
---|
| 648 | if(abac_aspect_is_intersection(ptr)) { |
---|
| 649 | return abac_aspect_intersecting_string_with_condition(0,ptr); |
---|
| 650 | } |
---|
| 651 | |
---|
| 652 | char *tmp=NULL; |
---|
| 653 | char *principal_name; |
---|
| 654 | if(abac_aspect_is_object(ptr)) |
---|
| 655 | principal_name = abac_aspect_object_name(ptr); |
---|
| 656 | else principal_name = abac_aspect_principal_name(ptr); |
---|
| 657 | char *aspect_name= ptr->aspect_name; |
---|
| 658 | char *linked_role_name = ptr->linked_role_name; |
---|
| 659 | char *params_string=NULL; |
---|
| 660 | char *linked_params_string=NULL; |
---|
| 661 | |
---|
| 662 | int len = 0; |
---|
| 663 | if(principal_name) |
---|
| 664 | len=len+strlen(principal_name)+1; |
---|
| 665 | if(aspect_name) |
---|
| 666 | len = len+strlen(aspect_name)+1; |
---|
| 667 | if(linked_role_name) |
---|
| 668 | len = len+strlen(linked_role_name)+1; |
---|
| 669 | |
---|
| 670 | if(ptr->aspect_params) { |
---|
| 671 | params_string=abac_param_list_string_with_condition(ptr->aspect_params); |
---|
| 672 | len = len+strlen(params_string)+3; |
---|
| 673 | } |
---|
| 674 | if(ptr->linked_role_params) { |
---|
| 675 | linked_params_string=abac_param_list_string_with_condition(ptr->linked_role_params); |
---|
| 676 | len = len+strlen(linked_params_string)+3; |
---|
| 677 | } |
---|
| 678 | |
---|
| 679 | /* principal */ |
---|
| 680 | /* principal.oset/role */ |
---|
| 681 | /* principal.oset/role(params_string) */ |
---|
| 682 | /* principal.linked_role(linked_params_string).oset/role(params_string) */ |
---|
| 683 | tmp = abac_xmalloc(len); |
---|
| 684 | |
---|
| 685 | if(principal_name) |
---|
| 686 | sprintf(tmp,"%s",principal_name); |
---|
| 687 | |
---|
| 688 | if(linked_role_name) { |
---|
| 689 | strcat(tmp,"."); |
---|
| 690 | strcat(tmp,linked_role_name); |
---|
| 691 | } |
---|
| 692 | if(linked_params_string) { |
---|
| 693 | strcat(tmp,"("); |
---|
| 694 | strcat(tmp,linked_params_string); |
---|
| 695 | strcat(tmp,")"); |
---|
| 696 | } |
---|
| 697 | if(aspect_name) { |
---|
| 698 | strcat(tmp,"."); |
---|
| 699 | strcat(tmp,aspect_name); |
---|
| 700 | } |
---|
| 701 | if(params_string) { |
---|
| 702 | strcat(tmp,"("); |
---|
| 703 | strcat(tmp,params_string); |
---|
| 704 | strcat(tmp,")"); |
---|
| 705 | } |
---|
| 706 | |
---|
| 707 | if(linked_params_string) free(linked_params_string); |
---|
| 708 | if(params_string) free(params_string); |
---|
| 709 | return tmp; |
---|
| 710 | } |
---|
| 711 | |
---|
| 712 | char *abac_aspect_string(abac_aspect_t *ptr) { |
---|
| 713 | return abac_aspect_string_with_condition(ptr); |
---|
| 714 | } |
---|
| 715 | char *abac_aspect_typed_string(abac_aspect_t *ptr) { |
---|
| 716 | return abac_aspect_typed_string_with_condition(ptr); |
---|
| 717 | } |
---|
| 718 | |
---|
| 719 | void abac_print_aspect_string_with_condition(abac_aspect_t *ptr,FILE *fp) |
---|
| 720 | { |
---|
| 721 | char *string=abac_aspect_string_with_condition(ptr); |
---|
| 722 | if(fp==NULL) |
---|
| 723 | printf("%s ",string); |
---|
| 724 | else fprintf(fp,"%s ",string); |
---|
| 725 | } |
---|
| 726 | |
---|
| 727 | char *abac_aspect_aspect_param_string(abac_aspect_t *ptr) { |
---|
| 728 | assert(ptr != NULL); |
---|
| 729 | if(ptr->aspect_params) { |
---|
| 730 | return abac_param_list_string_with_condition(ptr->aspect_params); |
---|
| 731 | } |
---|
| 732 | return NULL; |
---|
| 733 | } |
---|
| 734 | |
---|
| 735 | char *abac_aspect_aspect_param_typed_string(abac_aspect_t *ptr) { |
---|
| 736 | assert(ptr != NULL); |
---|
| 737 | if(ptr->aspect_params) { |
---|
| 738 | return abac_param_list_typed_string_with_condition(ptr->aspect_params); |
---|
| 739 | } |
---|
| 740 | return NULL; |
---|
| 741 | } |
---|
| 742 | |
---|
| 743 | /** |
---|
| 744 | * Returns the typed string representation of the role/oset. |
---|
| 745 | */ |
---|
| 746 | char *abac_aspect_typed_string_with_condition(abac_aspect_t *ptr) |
---|
| 747 | { |
---|
| 748 | assert(ptr != NULL); |
---|
| 749 | |
---|
| 750 | if(abac_aspect_is_intersection(ptr)) { |
---|
| 751 | return abac_aspect_intersecting_string_with_condition(1,ptr); |
---|
| 752 | } |
---|
| 753 | |
---|
| 754 | char *tmp=NULL, *final=NULL; |
---|
| 755 | char *principal_name; |
---|
| 756 | char *principal_name_type=NULL; |
---|
| 757 | if(abac_aspect_is_object(ptr)) { |
---|
| 758 | principal_name = abac_aspect_object_name(ptr); |
---|
| 759 | principal_name_type = abac_aspect_object_type(ptr); |
---|
| 760 | } else { |
---|
| 761 | principal_name = abac_aspect_principal_name(ptr); |
---|
[13c9479] | 762 | principal_name_type=abac_aspect_principal_type(ptr); |
---|
[8bd77b5] | 763 | if(debug) { |
---|
| 764 | printf("aspect's typed_string (%s)(%s)\n", principal_name_type, principal_name); |
---|
| 765 | } |
---|
| 766 | } |
---|
| 767 | char *aspect_name=abac_aspect_aspect_name(ptr); |
---|
| 768 | char *aspect_name_type=abac_aspect_type_string(ptr); |
---|
| 769 | char *linked_role_name=abac_aspect_linked_role_name(ptr); |
---|
| 770 | char *params_string=NULL; |
---|
| 771 | char *linked_params_string=NULL; |
---|
| 772 | |
---|
| 773 | if(ptr->aspect_params) { |
---|
| 774 | params_string=abac_param_list_typed_string_with_condition(ptr->aspect_params); |
---|
| 775 | } |
---|
| 776 | if(ptr->linked_role_params) { |
---|
| 777 | linked_params_string=abac_param_list_typed_string_with_condition(ptr->linked_role_params); |
---|
| 778 | } |
---|
| 779 | |
---|
| 780 | asprintf(&final,"[%s:%s]",principal_name_type,principal_name); |
---|
| 781 | if(linked_role_name) { |
---|
| 782 | tmp=final; |
---|
| 783 | final=NULL; |
---|
| 784 | asprintf(&final,".role:%s",tmp,linked_role_name); |
---|
| 785 | free(tmp); |
---|
| 786 | } |
---|
| 787 | if(linked_params_string) { |
---|
| 788 | tmp=final; |
---|
| 789 | final=NULL; |
---|
| 790 | asprintf(&final,"%s(%s)",tmp,linked_params_string); |
---|
| 791 | free(tmp); |
---|
| 792 | } |
---|
| 793 | if(aspect_name) { |
---|
| 794 | tmp=final; |
---|
| 795 | final=NULL; |
---|
| 796 | asprintf(&final,"%s.%s:%s",tmp,aspect_name_type,aspect_name); |
---|
| 797 | free(tmp); |
---|
| 798 | } |
---|
| 799 | if(params_string) { |
---|
| 800 | tmp=final; |
---|
| 801 | final=NULL; |
---|
| 802 | asprintf(&final,"%s(%s)",tmp,params_string); |
---|
| 803 | free(tmp); |
---|
| 804 | } |
---|
| 805 | |
---|
| 806 | if(linked_params_string) free(linked_params_string); |
---|
| 807 | if(params_string) free(params_string); |
---|
| 808 | return final; |
---|
| 809 | } |
---|
| 810 | |
---|
| 811 | /** |
---|
| 812 | * Build an attribute key from head and tail osets/role. Static. |
---|
| 813 | */ |
---|
| 814 | #define ROLE_SEPARATOR " <- " |
---|
| 815 | char *abac_aspect_attr_key(abac_aspect_t *head_ptr, abac_aspect_t *tail_ptr) { |
---|
| 816 | char *head = abac_aspect_string_with_condition(head_ptr); |
---|
| 817 | int head_len = strlen(head); |
---|
| 818 | |
---|
| 819 | char *tail = abac_aspect_string_with_condition(tail_ptr); |
---|
| 820 | int tail_len = strlen(tail); |
---|
| 821 | |
---|
| 822 | int sep_len = sizeof(ROLE_SEPARATOR) - 1; |
---|
| 823 | |
---|
| 824 | // "head <- tail" |
---|
| 825 | char *ret = abac_xmalloc(head_len + tail_len + sep_len + 1); |
---|
| 826 | memcpy(ret, head, head_len); |
---|
| 827 | memcpy(ret + head_len, ROLE_SEPARATOR, sep_len); |
---|
| 828 | memcpy(ret + head_len + sep_len, tail, tail_len); |
---|
| 829 | ret[head_len + sep_len + tail_len] = 0; |
---|
| 830 | |
---|
| 831 | return ret; |
---|
| 832 | } |
---|