[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_internal.h" |
---|
| 13 | |
---|
| 14 | static int debug=0; |
---|
| 15 | /* |
---|
| 16 | A.role <- B |
---|
| 17 | A.role <- B.role |
---|
| 18 | A.role <- B.role.role |
---|
| 19 | |
---|
| 20 | A.oset <- B |
---|
| 21 | A.oset <- Obj |
---|
| 22 | A.oset <- B.oset |
---|
| 23 | A.oset <- B.role.oset |
---|
| 24 | */ |
---|
| 25 | |
---|
| 26 | /* can store either a role or oset */ |
---|
| 27 | struct _abac_aspect_t { |
---|
| 28 | int aspect_type; |
---|
| 29 | int is_object; |
---|
| 30 | |
---|
| 31 | char *principal_name; |
---|
[d037f54] | 32 | char *principal_name_p; // pPrincipal_name |
---|
[8bd77b5] | 33 | abac_term_t *principal_object; |
---|
| 34 | |
---|
| 35 | char *linked_role_name; |
---|
| 36 | abac_param_list_t *linked_role_params; |
---|
| 37 | |
---|
| 38 | char *aspect_name; |
---|
| 39 | abac_param_list_t *aspect_params; |
---|
| 40 | |
---|
| 41 | char *type_string; // "oset" or "role" |
---|
| 42 | |
---|
| 43 | abac_list_t *prereqs; |
---|
| 44 | int refcount; |
---|
| 45 | }; |
---|
| 46 | |
---|
| 47 | /**************************************************************/ |
---|
[440ba20] | 48 | void abac_aspect_dump(abac_aspect_t *ptr, char* offset) |
---|
| 49 | { |
---|
| 50 | char *tmp=NULL; |
---|
| 51 | asprintf(&tmp," %s",offset); |
---|
| 52 | if(ptr->prereqs != 0) { |
---|
| 53 | abac_aspect_t *cur; |
---|
| 54 | abac_list_foreach(ptr->prereqs, cur, |
---|
| 55 | if(cur) |
---|
| 56 | abac_aspect_dump(cur, tmp); |
---|
| 57 | ); |
---|
| 58 | return; |
---|
| 59 | } |
---|
| 60 | |
---|
| 61 | printf("\n..... an aspect .....\n"); |
---|
| 62 | printf("%s aspect_type: %d(%s)\n", offset, ptr->aspect_type, abac_aspect_type_string(ptr)); |
---|
| 63 | printf("%s is_object: %d\n", offset, ptr->is_object); |
---|
| 64 | printf("%s principal_name: %s\n", offset, ptr->principal_name); |
---|
| 65 | if(ptr->principal_name_p) |
---|
| 66 | printf("%s principal_name_p: %s\n", offset, ptr->principal_name_p); |
---|
| 67 | else printf("%s principal_name_p: --\n", offset); |
---|
| 68 | if(ptr->principal_object) |
---|
| 69 | abac_term_dump(ptr->principal_object, tmp); |
---|
| 70 | else ("%s principal_object: --\n", offset); |
---|
| 71 | if(ptr->linked_role_name) |
---|
| 72 | printf("%s linked_role_name: %s\n", offset, ptr->linked_role_name); |
---|
| 73 | else printf("%s linked_role_name: --\n", offset); |
---|
| 74 | if(ptr->linked_role_params) |
---|
| 75 | abac_param_dump(ptr->linked_role_params, tmp); |
---|
| 76 | else printf("%s linked_role_params: --\n", offset); |
---|
| 77 | if(ptr->aspect_name) |
---|
| 78 | printf("%s aspect_name: %s\n", offset, ptr->aspect_name); |
---|
| 79 | else printf("%s aspect_name: --\n", offset); |
---|
| 80 | if(ptr->aspect_params) |
---|
| 81 | abac_param_dump(ptr->aspect_params, tmp); |
---|
| 82 | else printf("%s aspect_params: --\n", offset); |
---|
| 83 | if(ptr->type_string) |
---|
| 84 | printf("%s type_string:- %s\n", offset, ptr->type_string); |
---|
| 85 | else printf("%s type_string: --\n", offset); |
---|
| 86 | printf("%s refcount:- %d\n", offset, ptr->refcount); |
---|
| 87 | printf(".................................."); |
---|
| 88 | free(tmp); |
---|
| 89 | } |
---|
| 90 | |
---|
[8bd77b5] | 91 | bool abac_aspect_is_oset(abac_aspect_t *ptr) |
---|
| 92 | { |
---|
| 93 | assert(ptr); |
---|
| 94 | if(ptr->aspect_type==e_ASPECTTYPE_OSET) |
---|
| 95 | return 1; |
---|
| 96 | return 0; |
---|
| 97 | } |
---|
| 98 | |
---|
| 99 | |
---|
| 100 | bool abac_aspect_is_role(abac_aspect_t *ptr) |
---|
| 101 | { |
---|
| 102 | assert(ptr); |
---|
| 103 | if(ptr->aspect_type==e_ASPECTTYPE_ROLE) |
---|
| 104 | return 1; |
---|
| 105 | return 0; |
---|
| 106 | } |
---|
| 107 | |
---|
| 108 | bool abac_aspect_is_intersecting(abac_aspect_t *ptr) |
---|
| 109 | { |
---|
| 110 | assert(ptr); |
---|
| 111 | if(ptr->aspect_type==e_ASPECTTYPE_INTERSECTING) |
---|
| 112 | return 1; |
---|
| 113 | return 0; |
---|
| 114 | } |
---|
| 115 | |
---|
| 116 | /* A.role->B or A.oset->B */ |
---|
| 117 | bool abac_aspect_is_principal(abac_aspect_t *ptr) { |
---|
| 118 | assert(ptr != NULL); |
---|
| 119 | return ptr->is_object == 0 && |
---|
| 120 | ptr->aspect_name == NULL && |
---|
| 121 | ptr->linked_role_name == NULL && |
---|
| 122 | ptr->prereqs == NULL; |
---|
| 123 | } |
---|
| 124 | |
---|
| 125 | /* A.oset->O */ |
---|
| 126 | bool abac_aspect_is_object(abac_aspect_t *ptr) |
---|
| 127 | { |
---|
| 128 | assert(ptr); |
---|
| 129 | if(ptr->aspect_type == e_ASPECTTYPE_OSET) |
---|
| 130 | return ptr->is_object; |
---|
| 131 | return 0; |
---|
| 132 | } |
---|
| 133 | |
---|
| 134 | /* A.role->B.role.role or A.oset->B.role.oset */ |
---|
| 135 | bool abac_aspect_is_linking(abac_aspect_t *ptr) |
---|
| 136 | { |
---|
| 137 | assert(ptr); |
---|
| 138 | return ptr->linked_role_name != NULL; |
---|
| 139 | } |
---|
| 140 | |
---|
| 141 | /** |
---|
| 142 | * True if an aspect is an intersection. |
---|
| 143 | */ |
---|
| 144 | bool abac_aspect_is_intersection(abac_aspect_t *ptr) |
---|
| 145 | { |
---|
| 146 | assert(ptr); |
---|
| 147 | return ptr->prereqs != NULL; |
---|
| 148 | } |
---|
| 149 | |
---|
| 150 | /** |
---|
| 151 | * return the type that is common to all the intersecting aspects |
---|
| 152 | */ |
---|
| 153 | int abac_aspect_intersecting_aspect_type(abac_aspect_t *ptr) |
---|
| 154 | { |
---|
| 155 | assert(ptr); |
---|
| 156 | assert(ptr->prereqs); |
---|
| 157 | abac_aspect_t *cur; |
---|
| 158 | int first=1; |
---|
| 159 | int type; |
---|
| 160 | abac_list_foreach(ptr->prereqs, cur, |
---|
| 161 | if(first) { |
---|
| 162 | type=abac_aspect_aspect_type(cur); |
---|
| 163 | first=0; |
---|
| 164 | } else { |
---|
| 165 | if(abac_aspect_aspect_type(cur) != type) |
---|
| 166 | errx(1,"Intersecting tails are not of the same type"); |
---|
| 167 | } |
---|
| 168 | ); |
---|
| 169 | return type; |
---|
| 170 | } |
---|
| 171 | |
---|
| 172 | /** |
---|
| 173 | * Returns the prereqs of an intersection. |
---|
| 174 | */ |
---|
| 175 | abac_list_t *abac_aspect_prereqs(abac_aspect_t *ptr) |
---|
| 176 | { |
---|
| 177 | assert(ptr); |
---|
| 178 | return ptr->prereqs; |
---|
| 179 | } |
---|
| 180 | |
---|
| 181 | char* abac_aspect_type_string(abac_aspect_t *ptr) |
---|
| 182 | { |
---|
| 183 | assert(ptr); |
---|
| 184 | return ptr->type_string; |
---|
| 185 | } |
---|
| 186 | |
---|
| 187 | int abac_aspect_aspect_type(abac_aspect_t *ptr) |
---|
| 188 | { |
---|
| 189 | assert(ptr); |
---|
| 190 | return ptr->aspect_type; |
---|
| 191 | } |
---|
| 192 | |
---|
| 193 | /** |
---|
| 194 | * Returns the linked part of a linking aspect. |
---|
| 195 | * For instance, if the aspect is A.r1.r2, this returns r1. |
---|
| 196 | */ |
---|
| 197 | char *abac_aspect_linked_role_name(abac_aspect_t *ptr) |
---|
| 198 | { |
---|
| 199 | assert(ptr); |
---|
| 200 | return ptr->linked_role_name; |
---|
| 201 | } |
---|
| 202 | |
---|
| 203 | /* A.r1 without params or constraints, callee needs to free it*/ |
---|
| 204 | char *abac_aspect_linked_role_bare(abac_aspect_t *ptr) |
---|
| 205 | { |
---|
| 206 | assert(ptr); |
---|
| 207 | assert(ptr->principal_name); |
---|
| 208 | assert(ptr->linked_role_name); |
---|
| 209 | char *tmp=NULL; |
---|
| 210 | asprintf(&tmp,"%s.%s",ptr->principal_name,ptr->linked_role_name); |
---|
| 211 | return tmp; |
---|
| 212 | } |
---|
| 213 | |
---|
| 214 | abac_param_list_t *abac_aspect_linked_role_params(abac_aspect_t *ptr) |
---|
| 215 | { |
---|
| 216 | assert(ptr); |
---|
| 217 | return ptr->linked_role_params; |
---|
| 218 | } |
---|
| 219 | |
---|
| 220 | /** |
---|
| 221 | * Returns the name of an aspect. If the aspect is A.r1 then return r1. |
---|
| 222 | * If the aspect is A.r1.r2 then return r2. |
---|
| 223 | */ |
---|
| 224 | char *abac_aspect_aspect_name(abac_aspect_t *ptr) { |
---|
| 225 | assert(ptr); |
---|
| 226 | return ptr->aspect_name; |
---|
| 227 | } |
---|
| 228 | |
---|
| 229 | abac_param_list_t *abac_aspect_aspect_params(abac_aspect_t *ptr) |
---|
| 230 | { |
---|
| 231 | assert(ptr); |
---|
| 232 | return ptr->aspect_params; |
---|
| 233 | } |
---|
| 234 | |
---|
| 235 | /** |
---|
| 236 | * Returns the principal part of an aspect. The stuff before the first dot. |
---|
| 237 | */ |
---|
| 238 | char *abac_aspect_principal_name(abac_aspect_t *ptr) |
---|
| 239 | { |
---|
| 240 | assert(ptr); |
---|
[5d06689] | 241 | if(USE("ABAC_CN")) |
---|
[8bd77b5] | 242 | return abac_cn_with_sha(ptr->principal_name); |
---|
[d037f54] | 243 | if(ABAC_IN_PROLOG) { |
---|
| 244 | return ptr->principal_name_p; |
---|
| 245 | } else return ptr->principal_name; |
---|
[8bd77b5] | 246 | } |
---|
| 247 | |
---|
| 248 | char *abac_aspect_principal_principalname(abac_aspect_t *ptr) |
---|
| 249 | { |
---|
| 250 | assert(ptr); |
---|
[d037f54] | 251 | if(ABAC_IN_PROLOG) |
---|
| 252 | return ptr->principal_name_p; |
---|
[8bd77b5] | 253 | return ptr->principal_name; |
---|
| 254 | } |
---|
| 255 | |
---|
[13c9479] | 256 | char *abac_aspect_principal_type(abac_aspect_t *ptr) |
---|
| 257 | { |
---|
| 258 | assert(ptr); |
---|
| 259 | return abac_idtype_with_sha(ptr->principal_name); |
---|
| 260 | } |
---|
| 261 | |
---|
[8bd77b5] | 262 | char *abac_aspect_principal_cn(abac_aspect_t *ptr) |
---|
| 263 | { |
---|
| 264 | assert(ptr); |
---|
| 265 | return abac_cn_with_sha(ptr->principal_name); |
---|
| 266 | } |
---|
| 267 | |
---|
[440ba20] | 268 | abac_term_t *abac_aspect_object_term(abac_aspect_t *ptr) |
---|
| 269 | { |
---|
| 270 | return ptr->principal_object; |
---|
| 271 | } |
---|
| 272 | |
---|
[8bd77b5] | 273 | char *abac_aspect_object_name(abac_aspect_t *ptr) |
---|
| 274 | { |
---|
| 275 | assert(ptr); |
---|
| 276 | assert(ptr->is_object); |
---|
| 277 | abac_term_t *obj=ptr->principal_object; |
---|
| 278 | return abac_term_name(obj); |
---|
| 279 | } |
---|
| 280 | |
---|
[7211a95] | 281 | bool _abac_aspect_object_is_time_type(abac_aspect_t *ptr) |
---|
| 282 | { |
---|
| 283 | abac_term_t *obj=ptr->principal_object; |
---|
| 284 | return abac_term_is_time_type(obj); |
---|
| 285 | } |
---|
| 286 | |
---|
[8bd77b5] | 287 | char *abac_aspect_object_type(abac_aspect_t *ptr) |
---|
| 288 | { |
---|
| 289 | assert(ptr); |
---|
| 290 | assert(ptr->is_object); |
---|
| 291 | abac_term_t *obj=ptr->principal_object; |
---|
| 292 | char *tmp=abac_term_type_name(obj); |
---|
[7211a95] | 293 | if(debug) printf("abac_aspect_object_type: checking on object type, %s\n",tmp); |
---|
[8bd77b5] | 294 | return tmp; |
---|
| 295 | } |
---|
| 296 | |
---|
| 297 | abac_condition_t *abac_aspect_object_constraint(abac_aspect_t *ptr) |
---|
| 298 | { |
---|
| 299 | assert(ptr != NULL); |
---|
| 300 | assert(ptr->is_object); |
---|
| 301 | abac_term_t *obj=ptr->principal_object; |
---|
| 302 | return abac_term_constraint(obj); |
---|
| 303 | } |
---|
| 304 | |
---|
[440ba20] | 305 | char* abac_aspect_get_issuer_keytype(abac_aspect_t *ptr) |
---|
| 306 | { |
---|
[e3462b4] | 307 | abac_id_t *issuer_id=NULL; |
---|
[440ba20] | 308 | char *principalname=abac_aspect_principal_principalname(ptr); |
---|
| 309 | if(principalname) { |
---|
| 310 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
---|
| 311 | if(id_cred) { |
---|
| 312 | issuer_id=abac_id_credential_id(id_cred); |
---|
| 313 | return abac_id_keyid(issuer_id); |
---|
| 314 | } |
---|
| 315 | } |
---|
| 316 | return NULL; |
---|
| 317 | } |
---|
| 318 | |
---|
| 319 | int abac_aspect_get_issuer_idtype(abac_aspect_t *ptr) |
---|
| 320 | { |
---|
[e3462b4] | 321 | abac_id_t *issuer_id=NULL; |
---|
[440ba20] | 322 | char *principalname=abac_aspect_principal_principalname(ptr); |
---|
| 323 | if(principalname) { |
---|
| 324 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
---|
| 325 | if(id_cred) { |
---|
| 326 | issuer_id=abac_id_credential_id(id_cred); |
---|
| 327 | return abac_id_idtype(issuer_id); |
---|
| 328 | } |
---|
| 329 | } |
---|
| 330 | return 0; |
---|
| 331 | } |
---|
| 332 | |
---|
[8bd77b5] | 333 | abac_id_t *abac_aspect_get_issuer_id(abac_aspect_t *ptr) |
---|
| 334 | { |
---|
[e3462b4] | 335 | abac_id_t *issuer_id=NULL; |
---|
[8bd77b5] | 336 | char *principalname=abac_aspect_principal_principalname(ptr); |
---|
| 337 | if(principalname) { |
---|
| 338 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
---|
| 339 | if(id_cred) |
---|
| 340 | issuer_id=abac_id_credential_id(id_cred); |
---|
| 341 | } |
---|
| 342 | return issuer_id; |
---|
| 343 | } |
---|
| 344 | /** |
---|
| 345 | * Increase a aspect's reference count. |
---|
| 346 | */ |
---|
| 347 | abac_aspect_t *abac_aspect_dup(abac_aspect_t *ptr) |
---|
| 348 | { |
---|
| 349 | assert(ptr != NULL); |
---|
| 350 | ++ptr->refcount; |
---|
| 351 | return ptr; |
---|
| 352 | } |
---|
| 353 | |
---|
| 354 | /** |
---|
| 355 | * Decrease an aspect's reference count, freeing it when it reaches 0. |
---|
| 356 | */ |
---|
| 357 | void abac_aspect_free(abac_aspect_t *ptr) { |
---|
| 358 | |
---|
[5110d42] | 359 | if(debug) { |
---|
| 360 | if(ptr->aspect_name) |
---|
| 361 | printf("DEBUG:trying to freeing an aspect %d(%s:%d)\n",(int)ptr, ptr->aspect_name, ptr->refcount); |
---|
| 362 | else |
---|
| 363 | printf("DEBUG:trying to freeing an aspect %d(M:%d)\n",(int)ptr,ptr->refcount); |
---|
| 364 | |
---|
| 365 | } |
---|
[8bd77b5] | 366 | |
---|
| 367 | assert(ptr); |
---|
| 368 | |
---|
| 369 | --ptr->refcount; |
---|
| 370 | if (ptr->refcount > 0) |
---|
| 371 | return; |
---|
| 372 | |
---|
[5110d42] | 373 | if(debug) { |
---|
| 374 | if(ptr->aspect_name) |
---|
| 375 | printf("DEBUG:freeing this aspect %d(%s:%d)\n",(int)ptr, ptr->aspect_name, ptr->refcount); |
---|
| 376 | else printf("DEBUG:freeing this aspect %d(M:%d)\n",(int)ptr, ptr->refcount); |
---|
| 377 | } |
---|
| 378 | |
---|
[8bd77b5] | 379 | if(ptr->principal_name) free(ptr->principal_name); |
---|
[d037f54] | 380 | if(ptr->principal_name_p) free(ptr->principal_name_p); |
---|
[8bd77b5] | 381 | if(ptr->linked_role_name) free(ptr->linked_role_name); |
---|
| 382 | if(ptr->aspect_name) free(ptr->aspect_name); |
---|
| 383 | |
---|
| 384 | if(ptr->type_string) free(ptr->type_string); |
---|
| 385 | |
---|
| 386 | if (ptr->aspect_params != NULL) { |
---|
| 387 | abac_param_list_free(ptr->aspect_params); |
---|
| 388 | } |
---|
| 389 | |
---|
| 390 | if (ptr->linked_role_params != NULL) { |
---|
| 391 | abac_param_list_free(ptr->linked_role_params); |
---|
| 392 | } |
---|
| 393 | |
---|
| 394 | if (ptr->prereqs != NULL) { |
---|
[e3462b4] | 395 | abac_aspect_t *cur=NULL; |
---|
[8bd77b5] | 396 | abac_list_foreach(ptr->prereqs, cur, |
---|
| 397 | abac_aspect_free(cur); |
---|
| 398 | ); |
---|
| 399 | abac_list_free(ptr->prereqs); |
---|
| 400 | } |
---|
| 401 | |
---|
| 402 | free(ptr); |
---|
| 403 | } |
---|
| 404 | |
---|
| 405 | /**********************************************************************/ |
---|
| 406 | |
---|
[5d06689] | 407 | void abac_aspect_add_param(abac_aspect_t *ptr, abac_term_t *param) |
---|
[8bd77b5] | 408 | { |
---|
| 409 | if(ptr->aspect_params == NULL) { |
---|
| 410 | ptr->aspect_params=abac_param_list_new(param); |
---|
| 411 | } else { |
---|
| 412 | abac_param_list_add_term(ptr->aspect_params, param); |
---|
| 413 | } |
---|
| 414 | } |
---|
| 415 | |
---|
[5d06689] | 416 | void abac_aspect_add_intersecting_aspect(abac_aspect_t *ptr, abac_aspect_t *aspect) |
---|
[8bd77b5] | 417 | { |
---|
| 418 | abac_list_add(ptr->prereqs, abac_aspect_dup(aspect)); |
---|
| 419 | } |
---|
| 420 | |
---|
[5d06689] | 421 | void abac_aspect_add_linked_param(abac_aspect_t *ptr, abac_term_t *param) |
---|
[8bd77b5] | 422 | { |
---|
| 423 | if(ptr->linked_role_params == NULL) { |
---|
| 424 | ptr->linked_role_params=abac_param_list_new(param); |
---|
| 425 | } else { |
---|
| 426 | abac_param_list_add_term(ptr->linked_role_params, param); |
---|
| 427 | } |
---|
| 428 | } |
---|
| 429 | |
---|
| 430 | |
---|
| 431 | /**********************************************************************/ |
---|
| 432 | |
---|
| 433 | /** |
---|
| 434 | * Create a new principal and initialize it. |
---|
| 435 | * always with the proper SHA string |
---|
| 436 | */ |
---|
| 437 | static abac_aspect_t *_abac_aspect_init() |
---|
| 438 | { |
---|
| 439 | abac_aspect_t *ptr = (abac_aspect_t *) abac_xmalloc(sizeof(abac_aspect_t)); |
---|
| 440 | |
---|
| 441 | ptr->is_object=0; |
---|
| 442 | ptr->principal_name = NULL; |
---|
[d037f54] | 443 | ptr->principal_name_p = NULL; |
---|
[8bd77b5] | 444 | ptr->aspect_type=e_ASPECTTYPE_NULL; |
---|
| 445 | |
---|
| 446 | ptr->aspect_name = NULL; |
---|
| 447 | ptr->aspect_params = NULL; |
---|
| 448 | |
---|
| 449 | ptr->linked_role_name = NULL; |
---|
| 450 | ptr->linked_role_params = NULL; |
---|
| 451 | |
---|
| 452 | ptr->type_string=NULL; |
---|
| 453 | |
---|
| 454 | ptr->prereqs = NULL; |
---|
| 455 | ptr->refcount = 1; |
---|
| 456 | } |
---|
| 457 | |
---|
| 458 | abac_aspect_t *abac_aspect_principal_new(int type, char *principal_name) |
---|
| 459 | { |
---|
| 460 | assert(principal_name != NULL); |
---|
| 461 | |
---|
| 462 | if (strlen(principal_name) == 0) |
---|
| 463 | return NULL; |
---|
| 464 | |
---|
[ed3dc05] | 465 | /* XXX currently, it might be good if the principal_name is used o |
---|
| 466 | lookup the hashed id table and somehow link to the ID that it belongs |
---|
| 467 | too, currently, we check it later.. */ |
---|
[8bd77b5] | 468 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 469 | ptr->aspect_type=type; |
---|
| 470 | ptr->principal_name = strdup(principal_name); |
---|
[d037f54] | 471 | ptr->principal_name_p = prologIt(principal_name); |
---|
[8bd77b5] | 472 | if(type==e_ASPECTTYPE_ROLE) |
---|
| 473 | ptr->type_string=abac_xstrdup("role"); |
---|
| 474 | if(type==e_ASPECTTYPE_OSET) |
---|
| 475 | ptr->type_string=abac_xstrdup("oset"); |
---|
| 476 | return ptr; |
---|
| 477 | } |
---|
| 478 | |
---|
| 479 | abac_aspect_t *abac_aspect_role_principal_new(char *principal_name) |
---|
| 480 | { |
---|
| 481 | return abac_aspect_principal_new(e_ASPECTTYPE_ROLE,principal_name); |
---|
| 482 | } |
---|
| 483 | |
---|
| 484 | abac_aspect_t *abac_aspect_role_principal_create(char *principal_name) |
---|
| 485 | { |
---|
[d037f54] | 486 | return abac_aspect_principal_new(e_ASPECTTYPE_ROLE,principal_name); |
---|
[8bd77b5] | 487 | } |
---|
| 488 | |
---|
| 489 | abac_aspect_t *abac_aspect_oset_principal_new(char *principal_name) |
---|
| 490 | { |
---|
| 491 | return abac_aspect_principal_new(e_ASPECTTYPE_OSET,principal_name); |
---|
| 492 | } |
---|
| 493 | |
---|
| 494 | abac_aspect_t *abac_aspect_oset_principal_create(char *principal_name) |
---|
| 495 | { |
---|
[d037f54] | 496 | return abac_aspect_principal_new(e_ASPECTTYPE_OSET,principal_name); |
---|
[8bd77b5] | 497 | } |
---|
| 498 | |
---|
| 499 | abac_aspect_t *abac_aspect_object_new(int type, abac_term_t *object) |
---|
| 500 | { |
---|
| 501 | assert(object != NULL); |
---|
| 502 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 503 | ptr->aspect_type=type; |
---|
| 504 | ptr->is_object =1; |
---|
| 505 | ptr->principal_object = object; |
---|
| 506 | /* can not be role type */ |
---|
| 507 | if(type==e_ASPECTTYPE_OSET) |
---|
| 508 | ptr->type_string=abac_xstrdup("oset"); |
---|
| 509 | |
---|
| 510 | return ptr; |
---|
| 511 | } |
---|
| 512 | |
---|
| 513 | abac_aspect_t *abac_aspect_oset_object_new(abac_term_t *object) |
---|
| 514 | { |
---|
| 515 | return abac_aspect_object_new(e_ASPECTTYPE_OSET, object); |
---|
| 516 | } |
---|
| 517 | |
---|
[5110d42] | 518 | abac_aspect_t *abac_aspect_oset_object_create(abac_term_t *object) |
---|
| 519 | { |
---|
| 520 | return abac_aspect_object_new(e_ASPECTTYPE_OSET,object); |
---|
| 521 | } |
---|
[8bd77b5] | 522 | abac_aspect_t *abac_aspect_new(int type, char *principal_name, char *aspect_name) |
---|
| 523 | { |
---|
| 524 | assert(principal_name != NULL); |
---|
| 525 | assert(aspect_name != NULL); |
---|
| 526 | |
---|
| 527 | if (strlen(principal_name) == 0 || strlen(aspect_name) == 0) |
---|
| 528 | return NULL; |
---|
| 529 | |
---|
| 530 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 531 | |
---|
| 532 | ptr->principal_name = strdup(principal_name); |
---|
[d037f54] | 533 | ptr->principal_name_p = prologIt(principal_name); |
---|
[8bd77b5] | 534 | ptr->aspect_type=type; |
---|
| 535 | |
---|
| 536 | ptr->aspect_name = abac_xstrdup(aspect_name); |
---|
| 537 | |
---|
| 538 | if(type==e_ASPECTTYPE_OSET) |
---|
| 539 | ptr->type_string= abac_xstrdup("oset"); |
---|
| 540 | else |
---|
| 541 | ptr->type_string= abac_xstrdup("role"); |
---|
| 542 | |
---|
| 543 | if(debug) |
---|
| 544 | printf("DEBUG:adding a new aspect (%s) to principal (%s)\n", |
---|
| 545 | ptr->aspect_name, ptr->principal_name); |
---|
| 546 | return ptr; |
---|
| 547 | } |
---|
| 548 | |
---|
| 549 | abac_aspect_t *abac_aspect_oset_new(char *principal_name, char *oset_name) |
---|
| 550 | { |
---|
| 551 | return abac_aspect_new(e_ASPECTTYPE_OSET,principal_name, oset_name); |
---|
| 552 | } |
---|
| 553 | |
---|
| 554 | abac_aspect_t *abac_aspect_oset_create(char *principal_name, char *oset_name) |
---|
| 555 | { |
---|
[d037f54] | 556 | return abac_aspect_new(e_ASPECTTYPE_OSET,principal_name,oset_name); |
---|
[8bd77b5] | 557 | } |
---|
| 558 | |
---|
| 559 | abac_aspect_t *abac_aspect_role_new(char *principal_name, char *oset_name) |
---|
| 560 | { |
---|
| 561 | return abac_aspect_new(e_ASPECTTYPE_ROLE,principal_name, oset_name); |
---|
| 562 | } |
---|
| 563 | |
---|
| 564 | abac_aspect_t *abac_aspect_role_create(char *principal_name, char *role_name) |
---|
| 565 | { |
---|
[d037f54] | 566 | return abac_aspect_new(e_ASPECTTYPE_ROLE,principal_name,role_name); |
---|
[8bd77b5] | 567 | } |
---|
| 568 | |
---|
| 569 | /** |
---|
| 570 | * Created a new linking role/oset and initialize it. |
---|
| 571 | */ |
---|
| 572 | abac_aspect_t *abac_aspect_linking_new(int type, char *principal_name, |
---|
| 573 | char *linked_role_name, char *aspect_name) |
---|
| 574 | { |
---|
| 575 | assert(principal_name != NULL); |
---|
| 576 | assert(linked_role_name != NULL); |
---|
| 577 | assert(aspect_name != NULL); |
---|
| 578 | |
---|
| 579 | if (strlen(principal_name) == 0 || |
---|
| 580 | strlen(linked_role_name) == 0 || strlen(aspect_name) == 0) |
---|
| 581 | return NULL; |
---|
| 582 | |
---|
| 583 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 584 | |
---|
| 585 | ptr->is_object=0; |
---|
| 586 | ptr->aspect_type=type; |
---|
| 587 | ptr->principal_name = strdup(principal_name); |
---|
[d037f54] | 588 | ptr->principal_name_p = prologIt(principal_name); |
---|
[8bd77b5] | 589 | |
---|
| 590 | ptr->linked_role_name = strdup(linked_role_name); |
---|
| 591 | ptr->aspect_name = strdup(aspect_name); |
---|
| 592 | ptr->aspect_params = NULL; |
---|
| 593 | |
---|
| 594 | if(debug) |
---|
[7211a95] | 595 | printf("DEBUG:adding a new linked (%s) to oset/role(%s) for principal(%s)\n", |
---|
[8bd77b5] | 596 | ptr->linked_role_name, ptr->aspect_name, ptr->principal_name); |
---|
| 597 | |
---|
| 598 | if(type==e_ASPECTTYPE_OSET) |
---|
| 599 | ptr->type_string=abac_xstrdup("oset"); |
---|
| 600 | else ptr->type_string=abac_xstrdup("role"); |
---|
| 601 | |
---|
| 602 | return ptr; |
---|
| 603 | } |
---|
| 604 | |
---|
| 605 | abac_aspect_t *abac_aspect_role_linking_new(char *principal_name, char *linked_role_name, |
---|
| 606 | char *role_name) |
---|
| 607 | { |
---|
| 608 | return abac_aspect_linking_new(e_ASPECTTYPE_ROLE, |
---|
| 609 | principal_name, linked_role_name, role_name); |
---|
| 610 | } |
---|
| 611 | |
---|
| 612 | abac_aspect_t *abac_aspect_oset_linking_new(char *principal_name, char *linked_role_name, |
---|
| 613 | char *oset_name) |
---|
| 614 | { |
---|
| 615 | return abac_aspect_linking_new(e_ASPECTTYPE_OSET, |
---|
| 616 | principal_name, linked_role_name, oset_name); |
---|
| 617 | } |
---|
| 618 | |
---|
| 619 | /** |
---|
| 620 | * Create an intersection oset/role. |
---|
| 621 | */ |
---|
| 622 | abac_aspect_t *abac_aspect_intersection_new(abac_aspect_t *aspect) |
---|
| 623 | { |
---|
| 624 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 625 | ptr->aspect_type=e_ASPECTTYPE_INTERSECTING; |
---|
| 626 | abac_list_t *prereqs = abac_list_new(); |
---|
| 627 | abac_list_add(prereqs, abac_aspect_dup(aspect)); |
---|
| 628 | ptr->prereqs = prereqs; |
---|
| 629 | ptr->refcount = 1; |
---|
| 630 | return ptr; |
---|
| 631 | } |
---|
| 632 | |
---|
| 633 | /*******************************************************************/ |
---|
| 634 | char *abac_aspect_intersecting_string_with_condition(int typed,abac_aspect_t *ptr) |
---|
| 635 | { |
---|
| 636 | assert(ptr != NULL); |
---|
| 637 | char *tmp=NULL; |
---|
| 638 | if (ptr->prereqs != NULL) { |
---|
| 639 | abac_aspect_t *cur; |
---|
| 640 | abac_list_foreach(ptr->prereqs, cur, |
---|
| 641 | char *ntmp=NULL; |
---|
| 642 | if(typed) |
---|
| 643 | ntmp=abac_aspect_typed_string_with_condition(cur); |
---|
| 644 | else |
---|
| 645 | ntmp=abac_aspect_string_with_condition(cur); |
---|
| 646 | if(tmp==NULL) { |
---|
| 647 | asprintf(&tmp,"%s",ntmp); |
---|
| 648 | } else { |
---|
| 649 | asprintf(&tmp,"%s & %s",tmp, ntmp); |
---|
| 650 | } |
---|
| 651 | ); |
---|
| 652 | } |
---|
| 653 | return tmp; |
---|
| 654 | } |
---|
| 655 | |
---|
| 656 | /** |
---|
| 657 | * Returns the string representation of the role/oset. |
---|
| 658 | * principal.osetname(params..) |
---|
| 659 | * principal.rolename(params..) |
---|
| 660 | */ |
---|
| 661 | char *abac_aspect_string_with_condition(abac_aspect_t *ptr) |
---|
| 662 | { |
---|
| 663 | assert(ptr != NULL); |
---|
| 664 | |
---|
| 665 | if(abac_aspect_is_intersection(ptr)) { |
---|
| 666 | return abac_aspect_intersecting_string_with_condition(0,ptr); |
---|
| 667 | } |
---|
| 668 | |
---|
| 669 | char *tmp=NULL; |
---|
| 670 | char *principal_name; |
---|
[7211a95] | 671 | if(abac_aspect_is_object(ptr)) { |
---|
[8bd77b5] | 672 | principal_name = abac_aspect_object_name(ptr); |
---|
[2efdff5] | 673 | if(_abac_aspect_object_is_time_type(ptr)) |
---|
| 674 | principal_name=abac_time_to_term(principal_name); |
---|
[7211a95] | 675 | } else principal_name = abac_aspect_principal_name(ptr); |
---|
[8bd77b5] | 676 | char *aspect_name= ptr->aspect_name; |
---|
| 677 | char *linked_role_name = ptr->linked_role_name; |
---|
| 678 | char *params_string=NULL; |
---|
| 679 | char *linked_params_string=NULL; |
---|
| 680 | |
---|
| 681 | int len = 0; |
---|
| 682 | if(principal_name) |
---|
| 683 | len=len+strlen(principal_name)+1; |
---|
| 684 | if(aspect_name) |
---|
| 685 | len = len+strlen(aspect_name)+1; |
---|
| 686 | if(linked_role_name) |
---|
| 687 | len = len+strlen(linked_role_name)+1; |
---|
| 688 | |
---|
| 689 | if(ptr->aspect_params) { |
---|
| 690 | params_string=abac_param_list_string_with_condition(ptr->aspect_params); |
---|
| 691 | len = len+strlen(params_string)+3; |
---|
| 692 | } |
---|
| 693 | if(ptr->linked_role_params) { |
---|
| 694 | linked_params_string=abac_param_list_string_with_condition(ptr->linked_role_params); |
---|
| 695 | len = len+strlen(linked_params_string)+3; |
---|
| 696 | } |
---|
| 697 | |
---|
| 698 | /* principal */ |
---|
| 699 | /* principal.oset/role */ |
---|
| 700 | /* principal.oset/role(params_string) */ |
---|
| 701 | /* principal.linked_role(linked_params_string).oset/role(params_string) */ |
---|
| 702 | tmp = abac_xmalloc(len); |
---|
| 703 | |
---|
| 704 | if(principal_name) |
---|
| 705 | sprintf(tmp,"%s",principal_name); |
---|
| 706 | |
---|
| 707 | if(linked_role_name) { |
---|
| 708 | strcat(tmp,"."); |
---|
| 709 | strcat(tmp,linked_role_name); |
---|
| 710 | } |
---|
| 711 | if(linked_params_string) { |
---|
| 712 | strcat(tmp,"("); |
---|
| 713 | strcat(tmp,linked_params_string); |
---|
| 714 | strcat(tmp,")"); |
---|
| 715 | } |
---|
| 716 | if(aspect_name) { |
---|
| 717 | strcat(tmp,"."); |
---|
| 718 | strcat(tmp,aspect_name); |
---|
| 719 | } |
---|
| 720 | if(params_string) { |
---|
| 721 | strcat(tmp,"("); |
---|
| 722 | strcat(tmp,params_string); |
---|
| 723 | strcat(tmp,")"); |
---|
| 724 | } |
---|
| 725 | |
---|
| 726 | if(linked_params_string) free(linked_params_string); |
---|
| 727 | if(params_string) free(params_string); |
---|
| 728 | return tmp; |
---|
| 729 | } |
---|
| 730 | |
---|
| 731 | char *abac_aspect_string(abac_aspect_t *ptr) { |
---|
| 732 | return abac_aspect_string_with_condition(ptr); |
---|
| 733 | } |
---|
| 734 | char *abac_aspect_typed_string(abac_aspect_t *ptr) { |
---|
| 735 | return abac_aspect_typed_string_with_condition(ptr); |
---|
| 736 | } |
---|
| 737 | |
---|
| 738 | void abac_print_aspect_string_with_condition(abac_aspect_t *ptr,FILE *fp) |
---|
| 739 | { |
---|
| 740 | char *string=abac_aspect_string_with_condition(ptr); |
---|
| 741 | if(fp==NULL) |
---|
| 742 | printf("%s ",string); |
---|
| 743 | else fprintf(fp,"%s ",string); |
---|
| 744 | } |
---|
| 745 | |
---|
| 746 | char *abac_aspect_aspect_param_string(abac_aspect_t *ptr) { |
---|
| 747 | assert(ptr != NULL); |
---|
| 748 | if(ptr->aspect_params) { |
---|
| 749 | return abac_param_list_string_with_condition(ptr->aspect_params); |
---|
| 750 | } |
---|
| 751 | return NULL; |
---|
| 752 | } |
---|
| 753 | |
---|
| 754 | char *abac_aspect_aspect_param_typed_string(abac_aspect_t *ptr) { |
---|
| 755 | assert(ptr != NULL); |
---|
| 756 | if(ptr->aspect_params) { |
---|
| 757 | return abac_param_list_typed_string_with_condition(ptr->aspect_params); |
---|
| 758 | } |
---|
| 759 | return NULL; |
---|
| 760 | } |
---|
| 761 | |
---|
| 762 | /** |
---|
| 763 | * Returns the typed string representation of the role/oset. |
---|
| 764 | */ |
---|
| 765 | char *abac_aspect_typed_string_with_condition(abac_aspect_t *ptr) |
---|
| 766 | { |
---|
| 767 | assert(ptr != NULL); |
---|
| 768 | |
---|
| 769 | if(abac_aspect_is_intersection(ptr)) { |
---|
| 770 | return abac_aspect_intersecting_string_with_condition(1,ptr); |
---|
| 771 | } |
---|
| 772 | |
---|
| 773 | char *tmp=NULL, *final=NULL; |
---|
| 774 | char *principal_name; |
---|
| 775 | char *principal_name_type=NULL; |
---|
| 776 | if(abac_aspect_is_object(ptr)) { |
---|
| 777 | principal_name = abac_aspect_object_name(ptr); |
---|
[7211a95] | 778 | /*special case is when it is time type */ |
---|
| 779 | if(_abac_aspect_object_is_time_type(ptr)) |
---|
| 780 | principal_name=abac_time_to_term(principal_name); |
---|
[8bd77b5] | 781 | principal_name_type = abac_aspect_object_type(ptr); |
---|
| 782 | } else { |
---|
| 783 | principal_name = abac_aspect_principal_name(ptr); |
---|
[13c9479] | 784 | principal_name_type=abac_aspect_principal_type(ptr); |
---|
[8bd77b5] | 785 | if(debug) { |
---|
[2efdff5] | 786 | printf("aspect's typed_string (%s)(%s)\n", |
---|
| 787 | principal_name_type, principal_name); |
---|
[8bd77b5] | 788 | } |
---|
| 789 | } |
---|
| 790 | char *aspect_name=abac_aspect_aspect_name(ptr); |
---|
| 791 | char *aspect_name_type=abac_aspect_type_string(ptr); |
---|
| 792 | char *linked_role_name=abac_aspect_linked_role_name(ptr); |
---|
| 793 | char *params_string=NULL; |
---|
| 794 | char *linked_params_string=NULL; |
---|
| 795 | |
---|
| 796 | if(ptr->aspect_params) { |
---|
| 797 | params_string=abac_param_list_typed_string_with_condition(ptr->aspect_params); |
---|
| 798 | } |
---|
| 799 | if(ptr->linked_role_params) { |
---|
| 800 | linked_params_string=abac_param_list_typed_string_with_condition(ptr->linked_role_params); |
---|
| 801 | } |
---|
| 802 | |
---|
| 803 | asprintf(&final,"[%s:%s]",principal_name_type,principal_name); |
---|
| 804 | if(linked_role_name) { |
---|
| 805 | tmp=final; |
---|
| 806 | final=NULL; |
---|
[7211a95] | 807 | asprintf(&final,"%s.role:%s",tmp,linked_role_name); |
---|
[8bd77b5] | 808 | free(tmp); |
---|
| 809 | } |
---|
| 810 | if(linked_params_string) { |
---|
| 811 | tmp=final; |
---|
| 812 | final=NULL; |
---|
| 813 | asprintf(&final,"%s(%s)",tmp,linked_params_string); |
---|
| 814 | free(tmp); |
---|
| 815 | } |
---|
| 816 | if(aspect_name) { |
---|
| 817 | tmp=final; |
---|
| 818 | final=NULL; |
---|
| 819 | asprintf(&final,"%s.%s:%s",tmp,aspect_name_type,aspect_name); |
---|
| 820 | free(tmp); |
---|
| 821 | } |
---|
| 822 | if(params_string) { |
---|
| 823 | tmp=final; |
---|
| 824 | final=NULL; |
---|
| 825 | asprintf(&final,"%s(%s)",tmp,params_string); |
---|
| 826 | free(tmp); |
---|
| 827 | } |
---|
| 828 | |
---|
| 829 | if(linked_params_string) free(linked_params_string); |
---|
| 830 | if(params_string) free(params_string); |
---|
| 831 | return final; |
---|
| 832 | } |
---|
| 833 | |
---|
| 834 | /** |
---|
| 835 | * Build an attribute key from head and tail osets/role. Static. |
---|
| 836 | */ |
---|
| 837 | #define ROLE_SEPARATOR " <- " |
---|
| 838 | char *abac_aspect_attr_key(abac_aspect_t *head_ptr, abac_aspect_t *tail_ptr) { |
---|
| 839 | char *head = abac_aspect_string_with_condition(head_ptr); |
---|
| 840 | int head_len = strlen(head); |
---|
| 841 | |
---|
| 842 | char *tail = abac_aspect_string_with_condition(tail_ptr); |
---|
| 843 | int tail_len = strlen(tail); |
---|
| 844 | |
---|
| 845 | int sep_len = sizeof(ROLE_SEPARATOR) - 1; |
---|
| 846 | |
---|
| 847 | // "head <- tail" |
---|
| 848 | char *ret = abac_xmalloc(head_len + tail_len + sep_len + 1); |
---|
| 849 | memcpy(ret, head, head_len); |
---|
| 850 | memcpy(ret + head_len, ROLE_SEPARATOR, sep_len); |
---|
| 851 | memcpy(ret + head_len + sep_len, tail, tail_len); |
---|
| 852 | ret[head_len + sep_len + tail_len] = 0; |
---|
| 853 | |
---|
| 854 | return ret; |
---|
| 855 | } |
---|