[8bd77b5] | 1 | |
---|
| 2 | /** |
---|
| 3 | ** abac_aspect.c |
---|
| 4 | **/ |
---|
| 5 | |
---|
| 6 | #include <assert.h> |
---|
| 7 | |
---|
[2e9455f] | 8 | #include "abac_defines.h" |
---|
| 9 | #include "abac_util.h" |
---|
| 10 | #include "abac_term.h" |
---|
| 11 | #include "abac_verifier.h" |
---|
| 12 | #include "abac_list.h" |
---|
| 13 | #include "abac_context.h" |
---|
| 14 | #include "abac_id.h" |
---|
[8bd77b5] | 15 | |
---|
[d0efdec] | 16 | static int debug=1; |
---|
[2e9455f] | 17 | extern int ABAC_IN_PROLOG; |
---|
| 18 | |
---|
[8bd77b5] | 19 | /* |
---|
| 20 | A.role <- B |
---|
| 21 | A.role <- B.role |
---|
| 22 | A.role <- B.role.role |
---|
| 23 | |
---|
| 24 | A.oset <- B |
---|
| 25 | A.oset <- Obj |
---|
| 26 | A.oset <- B.oset |
---|
| 27 | A.oset <- B.role.oset |
---|
| 28 | */ |
---|
| 29 | |
---|
| 30 | /* can store either a role or oset */ |
---|
| 31 | struct _abac_aspect_t { |
---|
| 32 | int aspect_type; |
---|
| 33 | int is_object; |
---|
| 34 | |
---|
| 35 | char *principal_name; |
---|
[d037f54] | 36 | char *principal_name_p; // pPrincipal_name |
---|
[8bd77b5] | 37 | abac_term_t *principal_object; |
---|
| 38 | |
---|
| 39 | char *linked_role_name; |
---|
| 40 | abac_param_list_t *linked_role_params; |
---|
| 41 | |
---|
| 42 | char *aspect_name; |
---|
| 43 | abac_param_list_t *aspect_params; |
---|
| 44 | |
---|
| 45 | char *type_string; // "oset" or "role" |
---|
| 46 | |
---|
| 47 | abac_list_t *prereqs; |
---|
| 48 | int refcount; |
---|
| 49 | }; |
---|
| 50 | |
---|
[2e9455f] | 51 | /* local */ |
---|
| 52 | char *abac_aspect_string_with_condition(abac_aspect_t *); |
---|
| 53 | char *abac_aspect_typed_string_with_condition(abac_aspect_t *); |
---|
| 54 | static abac_aspect_t *_abac_aspect_init(); |
---|
[440ba20] | 55 | |
---|
[2e9455f] | 56 | /**************************************************************/ |
---|
[2a73357] | 57 | int abac_aspect_is_oset(abac_aspect_t *ptr) |
---|
[8bd77b5] | 58 | { |
---|
| 59 | assert(ptr); |
---|
[2a73357] | 60 | if(ptr->aspect_type == e_ASPECTTYPE_OSET) |
---|
[8bd77b5] | 61 | return 1; |
---|
| 62 | return 0; |
---|
| 63 | } |
---|
| 64 | |
---|
[2a73357] | 65 | int abac_aspect_is_role(abac_aspect_t *ptr) |
---|
[8bd77b5] | 66 | { |
---|
| 67 | assert(ptr); |
---|
| 68 | if(ptr->aspect_type==e_ASPECTTYPE_ROLE) |
---|
| 69 | return 1; |
---|
| 70 | return 0; |
---|
| 71 | } |
---|
| 72 | |
---|
[2a73357] | 73 | int abac_aspect_is_intersecting(abac_aspect_t *ptr) |
---|
[8bd77b5] | 74 | { |
---|
| 75 | assert(ptr); |
---|
[2a73357] | 76 | if(ptr->aspect_type == e_ASPECTTYPE_INTERSECTING) |
---|
[8bd77b5] | 77 | return 1; |
---|
[2a73357] | 78 | else return 0; |
---|
[8bd77b5] | 79 | } |
---|
| 80 | |
---|
| 81 | /* A.role->B or A.oset->B */ |
---|
[2a73357] | 82 | int abac_aspect_is_principal(abac_aspect_t *ptr) { |
---|
[8bd77b5] | 83 | assert(ptr != NULL); |
---|
| 84 | return ptr->is_object == 0 && |
---|
| 85 | ptr->aspect_name == NULL && |
---|
| 86 | ptr->linked_role_name == NULL && |
---|
| 87 | ptr->prereqs == NULL; |
---|
| 88 | } |
---|
| 89 | |
---|
| 90 | /* A.oset->O */ |
---|
[2a73357] | 91 | int abac_aspect_is_object(abac_aspect_t *ptr) |
---|
[8bd77b5] | 92 | { |
---|
| 93 | assert(ptr); |
---|
| 94 | if(ptr->aspect_type == e_ASPECTTYPE_OSET) |
---|
| 95 | return ptr->is_object; |
---|
| 96 | return 0; |
---|
| 97 | } |
---|
| 98 | |
---|
| 99 | /* A.role->B.role.role or A.oset->B.role.oset */ |
---|
[2a73357] | 100 | int abac_aspect_is_linking(abac_aspect_t *ptr) |
---|
[8bd77b5] | 101 | { |
---|
| 102 | assert(ptr); |
---|
| 103 | return ptr->linked_role_name != NULL; |
---|
| 104 | } |
---|
| 105 | |
---|
| 106 | /** |
---|
| 107 | * True if an aspect is an intersection. |
---|
| 108 | */ |
---|
[2a73357] | 109 | int abac_aspect_is_intersection(abac_aspect_t *ptr) |
---|
[8bd77b5] | 110 | { |
---|
| 111 | assert(ptr); |
---|
| 112 | return ptr->prereqs != NULL; |
---|
| 113 | } |
---|
| 114 | |
---|
| 115 | /** |
---|
| 116 | * return the type that is common to all the intersecting aspects |
---|
| 117 | */ |
---|
| 118 | int abac_aspect_intersecting_aspect_type(abac_aspect_t *ptr) |
---|
| 119 | { |
---|
| 120 | assert(ptr); |
---|
| 121 | assert(ptr->prereqs); |
---|
| 122 | abac_aspect_t *cur; |
---|
| 123 | int first=1; |
---|
| 124 | int type; |
---|
| 125 | abac_list_foreach(ptr->prereqs, cur, |
---|
| 126 | if(first) { |
---|
| 127 | type=abac_aspect_aspect_type(cur); |
---|
| 128 | first=0; |
---|
| 129 | } else { |
---|
| 130 | if(abac_aspect_aspect_type(cur) != type) |
---|
| 131 | errx(1,"Intersecting tails are not of the same type"); |
---|
| 132 | } |
---|
| 133 | ); |
---|
| 134 | return type; |
---|
| 135 | } |
---|
| 136 | |
---|
| 137 | /** |
---|
| 138 | * Returns the prereqs of an intersection. |
---|
| 139 | */ |
---|
| 140 | abac_list_t *abac_aspect_prereqs(abac_aspect_t *ptr) |
---|
| 141 | { |
---|
| 142 | assert(ptr); |
---|
| 143 | return ptr->prereqs; |
---|
| 144 | } |
---|
| 145 | |
---|
| 146 | char* abac_aspect_type_string(abac_aspect_t *ptr) |
---|
| 147 | { |
---|
| 148 | assert(ptr); |
---|
| 149 | return ptr->type_string; |
---|
| 150 | } |
---|
| 151 | |
---|
| 152 | int abac_aspect_aspect_type(abac_aspect_t *ptr) |
---|
| 153 | { |
---|
| 154 | assert(ptr); |
---|
| 155 | return ptr->aspect_type; |
---|
| 156 | } |
---|
| 157 | |
---|
| 158 | /** |
---|
| 159 | * Returns the linked part of a linking aspect. |
---|
| 160 | * For instance, if the aspect is A.r1.r2, this returns r1. |
---|
| 161 | */ |
---|
| 162 | char *abac_aspect_linked_role_name(abac_aspect_t *ptr) |
---|
| 163 | { |
---|
| 164 | assert(ptr); |
---|
| 165 | return ptr->linked_role_name; |
---|
| 166 | } |
---|
| 167 | |
---|
| 168 | /* A.r1 without params or constraints, callee needs to free it*/ |
---|
| 169 | char *abac_aspect_linked_role_bare(abac_aspect_t *ptr) |
---|
| 170 | { |
---|
| 171 | assert(ptr); |
---|
| 172 | assert(ptr->principal_name); |
---|
| 173 | assert(ptr->linked_role_name); |
---|
| 174 | char *tmp=NULL; |
---|
| 175 | asprintf(&tmp,"%s.%s",ptr->principal_name,ptr->linked_role_name); |
---|
| 176 | return tmp; |
---|
| 177 | } |
---|
| 178 | |
---|
| 179 | abac_param_list_t *abac_aspect_linked_role_params(abac_aspect_t *ptr) |
---|
| 180 | { |
---|
| 181 | assert(ptr); |
---|
| 182 | return ptr->linked_role_params; |
---|
| 183 | } |
---|
| 184 | |
---|
| 185 | /** |
---|
| 186 | * Returns the name of an aspect. If the aspect is A.r1 then return r1. |
---|
| 187 | * If the aspect is A.r1.r2 then return r2. |
---|
| 188 | */ |
---|
| 189 | char *abac_aspect_aspect_name(abac_aspect_t *ptr) { |
---|
| 190 | assert(ptr); |
---|
| 191 | return ptr->aspect_name; |
---|
| 192 | } |
---|
| 193 | |
---|
| 194 | abac_param_list_t *abac_aspect_aspect_params(abac_aspect_t *ptr) |
---|
| 195 | { |
---|
| 196 | assert(ptr); |
---|
| 197 | return ptr->aspect_params; |
---|
| 198 | } |
---|
| 199 | |
---|
| 200 | /** |
---|
| 201 | * Returns the principal part of an aspect. The stuff before the first dot. |
---|
| 202 | */ |
---|
| 203 | char *abac_aspect_principal_name(abac_aspect_t *ptr) |
---|
| 204 | { |
---|
| 205 | assert(ptr); |
---|
[5d06689] | 206 | if(USE("ABAC_CN")) |
---|
[8bd77b5] | 207 | return abac_cn_with_sha(ptr->principal_name); |
---|
[d037f54] | 208 | if(ABAC_IN_PROLOG) { |
---|
| 209 | return ptr->principal_name_p; |
---|
| 210 | } else return ptr->principal_name; |
---|
[8bd77b5] | 211 | } |
---|
| 212 | |
---|
| 213 | char *abac_aspect_principal_principalname(abac_aspect_t *ptr) |
---|
| 214 | { |
---|
| 215 | assert(ptr); |
---|
[d037f54] | 216 | if(ABAC_IN_PROLOG) |
---|
| 217 | return ptr->principal_name_p; |
---|
[8bd77b5] | 218 | return ptr->principal_name; |
---|
| 219 | } |
---|
| 220 | |
---|
[13c9479] | 221 | char *abac_aspect_principal_type(abac_aspect_t *ptr) |
---|
| 222 | { |
---|
| 223 | assert(ptr); |
---|
| 224 | return abac_idtype_with_sha(ptr->principal_name); |
---|
| 225 | } |
---|
| 226 | |
---|
[8bd77b5] | 227 | char *abac_aspect_principal_cn(abac_aspect_t *ptr) |
---|
| 228 | { |
---|
| 229 | assert(ptr); |
---|
| 230 | return abac_cn_with_sha(ptr->principal_name); |
---|
| 231 | } |
---|
| 232 | |
---|
[440ba20] | 233 | abac_term_t *abac_aspect_object_term(abac_aspect_t *ptr) |
---|
| 234 | { |
---|
| 235 | return ptr->principal_object; |
---|
| 236 | } |
---|
| 237 | |
---|
[8bd77b5] | 238 | char *abac_aspect_object_name(abac_aspect_t *ptr) |
---|
| 239 | { |
---|
| 240 | assert(ptr); |
---|
| 241 | assert(ptr->is_object); |
---|
| 242 | abac_term_t *obj=ptr->principal_object; |
---|
| 243 | return abac_term_name(obj); |
---|
| 244 | } |
---|
| 245 | |
---|
[2a73357] | 246 | int _abac_aspect_object_is_time_type(abac_aspect_t *ptr) |
---|
[7211a95] | 247 | { |
---|
| 248 | abac_term_t *obj=ptr->principal_object; |
---|
| 249 | return abac_term_is_time_type(obj); |
---|
| 250 | } |
---|
| 251 | |
---|
[8bd77b5] | 252 | char *abac_aspect_object_type(abac_aspect_t *ptr) |
---|
| 253 | { |
---|
| 254 | assert(ptr); |
---|
| 255 | assert(ptr->is_object); |
---|
| 256 | abac_term_t *obj=ptr->principal_object; |
---|
| 257 | char *tmp=abac_term_type_name(obj); |
---|
[b92a620] | 258 | if(debug) fprintf(stderr,"abac_aspect_object_type: checking on object type, %s\n",tmp); |
---|
[8bd77b5] | 259 | return tmp; |
---|
| 260 | } |
---|
| 261 | |
---|
| 262 | abac_condition_t *abac_aspect_object_constraint(abac_aspect_t *ptr) |
---|
| 263 | { |
---|
| 264 | assert(ptr != NULL); |
---|
| 265 | assert(ptr->is_object); |
---|
| 266 | abac_term_t *obj=ptr->principal_object; |
---|
| 267 | return abac_term_constraint(obj); |
---|
| 268 | } |
---|
| 269 | |
---|
[2e9455f] | 270 | /* currently the issuer's id is extracted from session's |
---|
| 271 | master copy instead of checking through context's list first |
---|
| 272 | This might allow some loopholes of incomplete validation somewhere.. |
---|
| 273 | need to revisit again XXX */ |
---|
[440ba20] | 274 | char* abac_aspect_get_issuer_keytype(abac_aspect_t *ptr) |
---|
| 275 | { |
---|
[e3462b4] | 276 | abac_id_t *issuer_id=NULL; |
---|
[440ba20] | 277 | char *principalname=abac_aspect_principal_principalname(ptr); |
---|
| 278 | if(principalname) { |
---|
| 279 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
---|
| 280 | if(id_cred) { |
---|
| 281 | issuer_id=abac_id_credential_id(id_cred); |
---|
| 282 | return abac_id_keyid(issuer_id); |
---|
| 283 | } |
---|
| 284 | } |
---|
| 285 | return NULL; |
---|
| 286 | } |
---|
| 287 | |
---|
| 288 | int abac_aspect_get_issuer_idtype(abac_aspect_t *ptr) |
---|
| 289 | { |
---|
[e3462b4] | 290 | abac_id_t *issuer_id=NULL; |
---|
[440ba20] | 291 | char *principalname=abac_aspect_principal_principalname(ptr); |
---|
| 292 | if(principalname) { |
---|
| 293 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
---|
| 294 | if(id_cred) { |
---|
| 295 | issuer_id=abac_id_credential_id(id_cred); |
---|
| 296 | return abac_id_idtype(issuer_id); |
---|
| 297 | } |
---|
| 298 | } |
---|
| 299 | return 0; |
---|
| 300 | } |
---|
| 301 | |
---|
[8bd77b5] | 302 | abac_id_t *abac_aspect_get_issuer_id(abac_aspect_t *ptr) |
---|
| 303 | { |
---|
[e3462b4] | 304 | abac_id_t *issuer_id=NULL; |
---|
[8bd77b5] | 305 | char *principalname=abac_aspect_principal_principalname(ptr); |
---|
| 306 | if(principalname) { |
---|
| 307 | abac_id_credential_t *id_cred=abac_id_credential_lookup(principalname); |
---|
[ba6027a] | 308 | if(id_cred) { |
---|
[8bd77b5] | 309 | issuer_id=abac_id_credential_id(id_cred); |
---|
[ba6027a] | 310 | } |
---|
[8bd77b5] | 311 | } |
---|
| 312 | return issuer_id; |
---|
| 313 | } |
---|
[2e9455f] | 314 | /** |
---|
| 315 | * deep copy of aspect |
---|
| 316 | */ |
---|
| 317 | abac_aspect_t *abac_aspect_copy(abac_aspect_t *ptr) |
---|
| 318 | { |
---|
| 319 | if(ptr == NULL) return NULL; |
---|
| 320 | |
---|
| 321 | abac_aspect_t *nptr=_abac_aspect_init(); |
---|
| 322 | nptr->aspect_type=ptr->aspect_type; |
---|
| 323 | nptr->is_object=ptr->is_object; |
---|
| 324 | |
---|
| 325 | if(ptr->principal_name) |
---|
| 326 | nptr->principal_name=abac_xstrdup(ptr->principal_name); |
---|
| 327 | if(ptr->principal_name_p) |
---|
| 328 | nptr->principal_name_p=abac_xstrdup(ptr->principal_name_p); |
---|
| 329 | if(ptr->principal_object) |
---|
| 330 | nptr->principal_object=abac_term_copy(ptr->principal_object); |
---|
| 331 | |
---|
| 332 | if(ptr->linked_role_name) |
---|
| 333 | nptr->linked_role_name=abac_xstrdup(ptr->linked_role_name); |
---|
| 334 | nptr->linked_role_params=abac_param_list_copy(ptr->linked_role_params); |
---|
| 335 | |
---|
| 336 | if(ptr->aspect_name) |
---|
| 337 | nptr->aspect_name=abac_xstrdup(ptr->aspect_name); |
---|
| 338 | nptr->aspect_params=abac_param_list_copy(ptr->aspect_params); |
---|
| 339 | |
---|
| 340 | if(ptr->type_string) |
---|
| 341 | nptr->type_string=abac_xstrdup(ptr->type_string); |
---|
| 342 | |
---|
| 343 | if (ptr->prereqs != NULL) { |
---|
| 344 | nptr->prereqs=abac_list_new(); |
---|
| 345 | abac_aspect_t *cur=NULL; |
---|
| 346 | abac_aspect_t *ncur=NULL; |
---|
| 347 | abac_list_foreach(ptr->prereqs, cur, |
---|
| 348 | ncur=abac_aspect_copy(cur); |
---|
| 349 | abac_list_add(nptr->prereqs,ncur); |
---|
| 350 | ); |
---|
| 351 | } |
---|
| 352 | return nptr; |
---|
| 353 | } |
---|
[8bd77b5] | 354 | /** |
---|
| 355 | * Increase a aspect's reference count. |
---|
| 356 | */ |
---|
| 357 | abac_aspect_t *abac_aspect_dup(abac_aspect_t *ptr) |
---|
| 358 | { |
---|
| 359 | assert(ptr != NULL); |
---|
| 360 | ++ptr->refcount; |
---|
| 361 | return ptr; |
---|
| 362 | } |
---|
| 363 | |
---|
| 364 | /** |
---|
| 365 | * Decrease an aspect's reference count, freeing it when it reaches 0. |
---|
| 366 | */ |
---|
| 367 | void abac_aspect_free(abac_aspect_t *ptr) { |
---|
| 368 | |
---|
[5110d42] | 369 | if(debug) { |
---|
| 370 | if(ptr->aspect_name) |
---|
[d0efdec] | 371 | fprintf(stderr,"DEBUG:trying to freeing an aspect loc(%ld)(%s:%d)\n",(long)ptr, ptr->aspect_name, ptr->refcount); |
---|
[5110d42] | 372 | else |
---|
[d0efdec] | 373 | fprintf(stderr,"DEBUG:trying to freeing an aspect loc(%ld)(M:%d)\n",(long)ptr,ptr->refcount); |
---|
[5110d42] | 374 | |
---|
| 375 | } |
---|
[8bd77b5] | 376 | |
---|
| 377 | assert(ptr); |
---|
| 378 | |
---|
| 379 | --ptr->refcount; |
---|
| 380 | if (ptr->refcount > 0) |
---|
| 381 | return; |
---|
| 382 | |
---|
[5110d42] | 383 | if(debug) { |
---|
| 384 | if(ptr->aspect_name) |
---|
[d0efdec] | 385 | fprintf(stderr,"DEBUG:freeing this aspect loc(%ld)(%s:%d)\n",(long)ptr, ptr->aspect_name, ptr->refcount); |
---|
| 386 | else fprintf(stderr,"DEBUG:freeing this aspect loc(%ld)(M:%d)\n",(long)ptr, ptr->refcount); |
---|
[5110d42] | 387 | } |
---|
| 388 | |
---|
[8bd77b5] | 389 | if(ptr->principal_name) free(ptr->principal_name); |
---|
[d037f54] | 390 | if(ptr->principal_name_p) free(ptr->principal_name_p); |
---|
[8bd77b5] | 391 | if(ptr->linked_role_name) free(ptr->linked_role_name); |
---|
| 392 | if(ptr->aspect_name) free(ptr->aspect_name); |
---|
| 393 | |
---|
| 394 | if(ptr->type_string) free(ptr->type_string); |
---|
| 395 | |
---|
| 396 | if (ptr->aspect_params != NULL) { |
---|
| 397 | abac_param_list_free(ptr->aspect_params); |
---|
| 398 | } |
---|
| 399 | |
---|
| 400 | if (ptr->linked_role_params != NULL) { |
---|
| 401 | abac_param_list_free(ptr->linked_role_params); |
---|
| 402 | } |
---|
| 403 | |
---|
| 404 | if (ptr->prereqs != NULL) { |
---|
[e3462b4] | 405 | abac_aspect_t *cur=NULL; |
---|
[8bd77b5] | 406 | abac_list_foreach(ptr->prereqs, cur, |
---|
| 407 | abac_aspect_free(cur); |
---|
| 408 | ); |
---|
| 409 | abac_list_free(ptr->prereqs); |
---|
| 410 | } |
---|
| 411 | |
---|
| 412 | free(ptr); |
---|
| 413 | } |
---|
| 414 | |
---|
| 415 | /**********************************************************************/ |
---|
| 416 | |
---|
[5d06689] | 417 | void abac_aspect_add_param(abac_aspect_t *ptr, abac_term_t *param) |
---|
[8bd77b5] | 418 | { |
---|
| 419 | if(ptr->aspect_params == NULL) { |
---|
| 420 | ptr->aspect_params=abac_param_list_new(param); |
---|
| 421 | } else { |
---|
| 422 | abac_param_list_add_term(ptr->aspect_params, param); |
---|
| 423 | } |
---|
| 424 | } |
---|
| 425 | |
---|
[5d06689] | 426 | void abac_aspect_add_intersecting_aspect(abac_aspect_t *ptr, abac_aspect_t *aspect) |
---|
[8bd77b5] | 427 | { |
---|
| 428 | abac_list_add(ptr->prereqs, abac_aspect_dup(aspect)); |
---|
| 429 | } |
---|
| 430 | |
---|
[5d06689] | 431 | void abac_aspect_add_linked_param(abac_aspect_t *ptr, abac_term_t *param) |
---|
[8bd77b5] | 432 | { |
---|
| 433 | if(ptr->linked_role_params == NULL) { |
---|
| 434 | ptr->linked_role_params=abac_param_list_new(param); |
---|
| 435 | } else { |
---|
| 436 | abac_param_list_add_term(ptr->linked_role_params, param); |
---|
| 437 | } |
---|
| 438 | } |
---|
| 439 | |
---|
| 440 | |
---|
| 441 | /**********************************************************************/ |
---|
| 442 | |
---|
| 443 | /** |
---|
| 444 | * Create a new principal and initialize it. |
---|
| 445 | * always with the proper SHA string |
---|
| 446 | */ |
---|
| 447 | static abac_aspect_t *_abac_aspect_init() |
---|
| 448 | { |
---|
| 449 | abac_aspect_t *ptr = (abac_aspect_t *) abac_xmalloc(sizeof(abac_aspect_t)); |
---|
| 450 | |
---|
[2e9455f] | 451 | ptr->aspect_type=e_ASPECTTYPE_NULL; |
---|
[8bd77b5] | 452 | ptr->is_object=0; |
---|
[2e9455f] | 453 | |
---|
[8bd77b5] | 454 | ptr->principal_name = NULL; |
---|
[d037f54] | 455 | ptr->principal_name_p = NULL; |
---|
[2e9455f] | 456 | ptr->principal_object = NULL; |
---|
[8bd77b5] | 457 | |
---|
| 458 | ptr->aspect_name = NULL; |
---|
| 459 | ptr->aspect_params = NULL; |
---|
| 460 | |
---|
| 461 | ptr->linked_role_name = NULL; |
---|
| 462 | ptr->linked_role_params = NULL; |
---|
| 463 | |
---|
| 464 | ptr->type_string=NULL; |
---|
| 465 | |
---|
| 466 | ptr->prereqs = NULL; |
---|
| 467 | ptr->refcount = 1; |
---|
| 468 | } |
---|
| 469 | |
---|
| 470 | abac_aspect_t *abac_aspect_principal_new(int type, char *principal_name) |
---|
| 471 | { |
---|
| 472 | assert(principal_name != NULL); |
---|
| 473 | |
---|
| 474 | if (strlen(principal_name) == 0) |
---|
| 475 | return NULL; |
---|
| 476 | |
---|
[ed3dc05] | 477 | /* XXX currently, it might be good if the principal_name is used o |
---|
| 478 | lookup the hashed id table and somehow link to the ID that it belongs |
---|
| 479 | too, currently, we check it later.. */ |
---|
[8bd77b5] | 480 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 481 | ptr->aspect_type=type; |
---|
[2e9455f] | 482 | ptr->principal_name = abac_xstrdup(principal_name); |
---|
[d037f54] | 483 | ptr->principal_name_p = prologIt(principal_name); |
---|
[8bd77b5] | 484 | if(type==e_ASPECTTYPE_ROLE) |
---|
| 485 | ptr->type_string=abac_xstrdup("role"); |
---|
| 486 | if(type==e_ASPECTTYPE_OSET) |
---|
| 487 | ptr->type_string=abac_xstrdup("oset"); |
---|
| 488 | return ptr; |
---|
| 489 | } |
---|
| 490 | |
---|
| 491 | abac_aspect_t *abac_aspect_role_principal_new(char *principal_name) |
---|
| 492 | { |
---|
| 493 | return abac_aspect_principal_new(e_ASPECTTYPE_ROLE,principal_name); |
---|
| 494 | } |
---|
| 495 | |
---|
| 496 | abac_aspect_t *abac_aspect_role_principal_create(char *principal_name) |
---|
| 497 | { |
---|
[d037f54] | 498 | return abac_aspect_principal_new(e_ASPECTTYPE_ROLE,principal_name); |
---|
[8bd77b5] | 499 | } |
---|
| 500 | |
---|
| 501 | abac_aspect_t *abac_aspect_oset_principal_new(char *principal_name) |
---|
| 502 | { |
---|
| 503 | return abac_aspect_principal_new(e_ASPECTTYPE_OSET,principal_name); |
---|
| 504 | } |
---|
| 505 | |
---|
| 506 | abac_aspect_t *abac_aspect_oset_principal_create(char *principal_name) |
---|
| 507 | { |
---|
[d037f54] | 508 | return abac_aspect_principal_new(e_ASPECTTYPE_OSET,principal_name); |
---|
[8bd77b5] | 509 | } |
---|
| 510 | |
---|
| 511 | abac_aspect_t *abac_aspect_object_new(int type, abac_term_t *object) |
---|
| 512 | { |
---|
| 513 | assert(object != NULL); |
---|
| 514 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 515 | ptr->aspect_type=type; |
---|
| 516 | ptr->is_object =1; |
---|
| 517 | ptr->principal_object = object; |
---|
| 518 | /* can not be role type */ |
---|
| 519 | if(type==e_ASPECTTYPE_OSET) |
---|
| 520 | ptr->type_string=abac_xstrdup("oset"); |
---|
| 521 | |
---|
| 522 | return ptr; |
---|
| 523 | } |
---|
| 524 | |
---|
| 525 | abac_aspect_t *abac_aspect_oset_object_new(abac_term_t *object) |
---|
| 526 | { |
---|
| 527 | return abac_aspect_object_new(e_ASPECTTYPE_OSET, object); |
---|
| 528 | } |
---|
| 529 | |
---|
[5110d42] | 530 | abac_aspect_t *abac_aspect_oset_object_create(abac_term_t *object) |
---|
| 531 | { |
---|
| 532 | return abac_aspect_object_new(e_ASPECTTYPE_OSET,object); |
---|
| 533 | } |
---|
[8bd77b5] | 534 | abac_aspect_t *abac_aspect_new(int type, char *principal_name, char *aspect_name) |
---|
| 535 | { |
---|
| 536 | assert(principal_name != NULL); |
---|
| 537 | assert(aspect_name != NULL); |
---|
| 538 | |
---|
| 539 | if (strlen(principal_name) == 0 || strlen(aspect_name) == 0) |
---|
| 540 | return NULL; |
---|
| 541 | |
---|
| 542 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 543 | |
---|
[2e9455f] | 544 | ptr->principal_name = abac_xstrdup(principal_name); |
---|
[d037f54] | 545 | ptr->principal_name_p = prologIt(principal_name); |
---|
[8bd77b5] | 546 | ptr->aspect_type=type; |
---|
| 547 | |
---|
| 548 | ptr->aspect_name = abac_xstrdup(aspect_name); |
---|
| 549 | |
---|
| 550 | if(type==e_ASPECTTYPE_OSET) |
---|
| 551 | ptr->type_string= abac_xstrdup("oset"); |
---|
| 552 | else |
---|
| 553 | ptr->type_string= abac_xstrdup("role"); |
---|
| 554 | |
---|
| 555 | if(debug) |
---|
[2e9455f] | 556 | fprintf(stderr,"abac_aspect_new:adding a new aspect type(%d) (%s) to principal (%s)\n", |
---|
| 557 | type, ptr->aspect_name, ptr->principal_name); |
---|
[8bd77b5] | 558 | return ptr; |
---|
| 559 | } |
---|
| 560 | |
---|
| 561 | abac_aspect_t *abac_aspect_oset_new(char *principal_name, char *oset_name) |
---|
| 562 | { |
---|
| 563 | return abac_aspect_new(e_ASPECTTYPE_OSET,principal_name, oset_name); |
---|
| 564 | } |
---|
| 565 | |
---|
| 566 | abac_aspect_t *abac_aspect_oset_create(char *principal_name, char *oset_name) |
---|
| 567 | { |
---|
[d037f54] | 568 | return abac_aspect_new(e_ASPECTTYPE_OSET,principal_name,oset_name); |
---|
[8bd77b5] | 569 | } |
---|
| 570 | |
---|
| 571 | abac_aspect_t *abac_aspect_role_new(char *principal_name, char *oset_name) |
---|
| 572 | { |
---|
| 573 | return abac_aspect_new(e_ASPECTTYPE_ROLE,principal_name, oset_name); |
---|
| 574 | } |
---|
| 575 | |
---|
| 576 | abac_aspect_t *abac_aspect_role_create(char *principal_name, char *role_name) |
---|
| 577 | { |
---|
[d037f54] | 578 | return abac_aspect_new(e_ASPECTTYPE_ROLE,principal_name,role_name); |
---|
[8bd77b5] | 579 | } |
---|
| 580 | |
---|
| 581 | /** |
---|
| 582 | * Created a new linking role/oset and initialize it. |
---|
| 583 | */ |
---|
| 584 | abac_aspect_t *abac_aspect_linking_new(int type, char *principal_name, |
---|
| 585 | char *linked_role_name, char *aspect_name) |
---|
| 586 | { |
---|
| 587 | assert(principal_name != NULL); |
---|
| 588 | assert(linked_role_name != NULL); |
---|
| 589 | assert(aspect_name != NULL); |
---|
| 590 | |
---|
| 591 | if (strlen(principal_name) == 0 || |
---|
| 592 | strlen(linked_role_name) == 0 || strlen(aspect_name) == 0) |
---|
| 593 | return NULL; |
---|
| 594 | |
---|
| 595 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 596 | |
---|
| 597 | ptr->is_object=0; |
---|
| 598 | ptr->aspect_type=type; |
---|
[2e9455f] | 599 | ptr->principal_name = abac_xstrdup(principal_name); |
---|
[d037f54] | 600 | ptr->principal_name_p = prologIt(principal_name); |
---|
[8bd77b5] | 601 | |
---|
[2e9455f] | 602 | ptr->linked_role_name = abac_xstrdup(linked_role_name); |
---|
| 603 | ptr->aspect_name = abac_xstrdup(aspect_name); |
---|
[8bd77b5] | 604 | |
---|
| 605 | if(debug) |
---|
[b92a620] | 606 | fprintf(stderr,"DEBUG:adding a new linked (%s) to oset/role(%s) for principal(%s)\n", |
---|
[8bd77b5] | 607 | ptr->linked_role_name, ptr->aspect_name, ptr->principal_name); |
---|
| 608 | |
---|
| 609 | if(type==e_ASPECTTYPE_OSET) |
---|
| 610 | ptr->type_string=abac_xstrdup("oset"); |
---|
| 611 | else ptr->type_string=abac_xstrdup("role"); |
---|
| 612 | |
---|
| 613 | return ptr; |
---|
| 614 | } |
---|
| 615 | |
---|
| 616 | abac_aspect_t *abac_aspect_role_linking_new(char *principal_name, char *linked_role_name, |
---|
| 617 | char *role_name) |
---|
| 618 | { |
---|
| 619 | return abac_aspect_linking_new(e_ASPECTTYPE_ROLE, |
---|
| 620 | principal_name, linked_role_name, role_name); |
---|
| 621 | } |
---|
| 622 | |
---|
| 623 | abac_aspect_t *abac_aspect_oset_linking_new(char *principal_name, char *linked_role_name, |
---|
| 624 | char *oset_name) |
---|
| 625 | { |
---|
| 626 | return abac_aspect_linking_new(e_ASPECTTYPE_OSET, |
---|
| 627 | principal_name, linked_role_name, oset_name); |
---|
| 628 | } |
---|
| 629 | |
---|
| 630 | /** |
---|
| 631 | * Create an intersection oset/role. |
---|
| 632 | */ |
---|
| 633 | abac_aspect_t *abac_aspect_intersection_new(abac_aspect_t *aspect) |
---|
| 634 | { |
---|
| 635 | abac_aspect_t *ptr = _abac_aspect_init(); |
---|
| 636 | ptr->aspect_type=e_ASPECTTYPE_INTERSECTING; |
---|
| 637 | abac_list_t *prereqs = abac_list_new(); |
---|
| 638 | abac_list_add(prereqs, abac_aspect_dup(aspect)); |
---|
| 639 | ptr->prereqs = prereqs; |
---|
| 640 | return ptr; |
---|
| 641 | } |
---|
| 642 | |
---|
| 643 | /*******************************************************************/ |
---|
| 644 | char *abac_aspect_intersecting_string_with_condition(int typed,abac_aspect_t *ptr) |
---|
| 645 | { |
---|
| 646 | assert(ptr != NULL); |
---|
| 647 | char *tmp=NULL; |
---|
| 648 | if (ptr->prereqs != NULL) { |
---|
| 649 | abac_aspect_t *cur; |
---|
| 650 | abac_list_foreach(ptr->prereqs, cur, |
---|
| 651 | char *ntmp=NULL; |
---|
| 652 | if(typed) |
---|
| 653 | ntmp=abac_aspect_typed_string_with_condition(cur); |
---|
| 654 | else |
---|
| 655 | ntmp=abac_aspect_string_with_condition(cur); |
---|
| 656 | if(tmp==NULL) { |
---|
| 657 | asprintf(&tmp,"%s",ntmp); |
---|
| 658 | } else { |
---|
| 659 | asprintf(&tmp,"%s & %s",tmp, ntmp); |
---|
| 660 | } |
---|
| 661 | ); |
---|
| 662 | } |
---|
| 663 | return tmp; |
---|
| 664 | } |
---|
| 665 | |
---|
| 666 | /** |
---|
| 667 | * Returns the string representation of the role/oset. |
---|
| 668 | * principal.osetname(params..) |
---|
| 669 | * principal.rolename(params..) |
---|
| 670 | */ |
---|
| 671 | char *abac_aspect_string_with_condition(abac_aspect_t *ptr) |
---|
| 672 | { |
---|
| 673 | assert(ptr != NULL); |
---|
| 674 | |
---|
| 675 | if(abac_aspect_is_intersection(ptr)) { |
---|
| 676 | return abac_aspect_intersecting_string_with_condition(0,ptr); |
---|
| 677 | } |
---|
| 678 | |
---|
| 679 | char *tmp=NULL; |
---|
| 680 | char *principal_name; |
---|
[7211a95] | 681 | if(abac_aspect_is_object(ptr)) { |
---|
[8bd77b5] | 682 | principal_name = abac_aspect_object_name(ptr); |
---|
[2efdff5] | 683 | if(_abac_aspect_object_is_time_type(ptr)) |
---|
| 684 | principal_name=abac_time_to_term(principal_name); |
---|
[7211a95] | 685 | } else principal_name = abac_aspect_principal_name(ptr); |
---|
[8bd77b5] | 686 | char *aspect_name= ptr->aspect_name; |
---|
| 687 | char *linked_role_name = ptr->linked_role_name; |
---|
| 688 | char *params_string=NULL; |
---|
| 689 | char *linked_params_string=NULL; |
---|
| 690 | |
---|
| 691 | int len = 0; |
---|
| 692 | if(principal_name) |
---|
| 693 | len=len+strlen(principal_name)+1; |
---|
| 694 | if(aspect_name) |
---|
| 695 | len = len+strlen(aspect_name)+1; |
---|
| 696 | if(linked_role_name) |
---|
| 697 | len = len+strlen(linked_role_name)+1; |
---|
| 698 | |
---|
| 699 | if(ptr->aspect_params) { |
---|
| 700 | params_string=abac_param_list_string_with_condition(ptr->aspect_params); |
---|
| 701 | len = len+strlen(params_string)+3; |
---|
| 702 | } |
---|
| 703 | if(ptr->linked_role_params) { |
---|
| 704 | linked_params_string=abac_param_list_string_with_condition(ptr->linked_role_params); |
---|
| 705 | len = len+strlen(linked_params_string)+3; |
---|
| 706 | } |
---|
| 707 | |
---|
| 708 | /* principal */ |
---|
| 709 | /* principal.oset/role */ |
---|
| 710 | /* principal.oset/role(params_string) */ |
---|
| 711 | /* principal.linked_role(linked_params_string).oset/role(params_string) */ |
---|
| 712 | tmp = abac_xmalloc(len); |
---|
| 713 | |
---|
| 714 | if(principal_name) |
---|
| 715 | sprintf(tmp,"%s",principal_name); |
---|
| 716 | |
---|
| 717 | if(linked_role_name) { |
---|
| 718 | strcat(tmp,"."); |
---|
| 719 | strcat(tmp,linked_role_name); |
---|
| 720 | } |
---|
| 721 | if(linked_params_string) { |
---|
| 722 | strcat(tmp,"("); |
---|
| 723 | strcat(tmp,linked_params_string); |
---|
| 724 | strcat(tmp,")"); |
---|
| 725 | } |
---|
| 726 | if(aspect_name) { |
---|
| 727 | strcat(tmp,"."); |
---|
| 728 | strcat(tmp,aspect_name); |
---|
| 729 | } |
---|
| 730 | if(params_string) { |
---|
| 731 | strcat(tmp,"("); |
---|
| 732 | strcat(tmp,params_string); |
---|
| 733 | strcat(tmp,")"); |
---|
| 734 | } |
---|
| 735 | |
---|
| 736 | if(linked_params_string) free(linked_params_string); |
---|
| 737 | if(params_string) free(params_string); |
---|
| 738 | return tmp; |
---|
| 739 | } |
---|
| 740 | |
---|
| 741 | char *abac_aspect_string(abac_aspect_t *ptr) { |
---|
| 742 | return abac_aspect_string_with_condition(ptr); |
---|
| 743 | } |
---|
| 744 | char *abac_aspect_typed_string(abac_aspect_t *ptr) { |
---|
| 745 | return abac_aspect_typed_string_with_condition(ptr); |
---|
| 746 | } |
---|
| 747 | |
---|
| 748 | void abac_print_aspect_string_with_condition(abac_aspect_t *ptr,FILE *fp) |
---|
| 749 | { |
---|
| 750 | char *string=abac_aspect_string_with_condition(ptr); |
---|
| 751 | if(fp==NULL) |
---|
| 752 | printf("%s ",string); |
---|
| 753 | else fprintf(fp,"%s ",string); |
---|
| 754 | } |
---|
| 755 | |
---|
[2e9455f] | 756 | void abac_print_aspect_typed_string_with_condition(abac_aspect_t *ptr,FILE *fp) |
---|
| 757 | { |
---|
| 758 | char *string=abac_aspect_typed_string_with_condition(ptr); |
---|
| 759 | if(fp==NULL) |
---|
| 760 | printf("%s ",string); |
---|
| 761 | else fprintf(fp,"%s ",string); |
---|
| 762 | } |
---|
| 763 | |
---|
[646e57e] | 764 | int abac_aspect_aspect_param_cnt(abac_aspect_t *ptr) { |
---|
| 765 | if(ptr->aspect_params) { |
---|
| 766 | return abac_param_list_cnt(ptr->aspect_params); |
---|
| 767 | } |
---|
| 768 | return 0; |
---|
| 769 | } |
---|
| 770 | |
---|
[8bd77b5] | 771 | char *abac_aspect_aspect_param_string(abac_aspect_t *ptr) { |
---|
| 772 | assert(ptr != NULL); |
---|
| 773 | if(ptr->aspect_params) { |
---|
| 774 | return abac_param_list_string_with_condition(ptr->aspect_params); |
---|
| 775 | } |
---|
| 776 | return NULL; |
---|
| 777 | } |
---|
| 778 | |
---|
| 779 | char *abac_aspect_aspect_param_typed_string(abac_aspect_t *ptr) { |
---|
| 780 | assert(ptr != NULL); |
---|
| 781 | if(ptr->aspect_params) { |
---|
| 782 | return abac_param_list_typed_string_with_condition(ptr->aspect_params); |
---|
| 783 | } |
---|
| 784 | return NULL; |
---|
| 785 | } |
---|
| 786 | |
---|
| 787 | /** |
---|
| 788 | * Returns the typed string representation of the role/oset. |
---|
| 789 | */ |
---|
| 790 | char *abac_aspect_typed_string_with_condition(abac_aspect_t *ptr) |
---|
| 791 | { |
---|
| 792 | assert(ptr != NULL); |
---|
| 793 | |
---|
| 794 | if(abac_aspect_is_intersection(ptr)) { |
---|
| 795 | return abac_aspect_intersecting_string_with_condition(1,ptr); |
---|
| 796 | } |
---|
| 797 | |
---|
| 798 | char *tmp=NULL, *final=NULL; |
---|
| 799 | char *principal_name; |
---|
| 800 | char *principal_name_type=NULL; |
---|
| 801 | if(abac_aspect_is_object(ptr)) { |
---|
| 802 | principal_name = abac_aspect_object_name(ptr); |
---|
[7211a95] | 803 | /*special case is when it is time type */ |
---|
| 804 | if(_abac_aspect_object_is_time_type(ptr)) |
---|
| 805 | principal_name=abac_time_to_term(principal_name); |
---|
[8bd77b5] | 806 | principal_name_type = abac_aspect_object_type(ptr); |
---|
| 807 | } else { |
---|
| 808 | principal_name = abac_aspect_principal_name(ptr); |
---|
[13c9479] | 809 | principal_name_type=abac_aspect_principal_type(ptr); |
---|
[6244e28] | 810 | if(debug) |
---|
[b92a620] | 811 | fprintf(stderr,"aspect's typed_string (%s)(%s)\n", |
---|
[2efdff5] | 812 | principal_name_type, principal_name); |
---|
[8bd77b5] | 813 | } |
---|
[6244e28] | 814 | |
---|
| 815 | /* the principal id is probably not in the idcreds list */ |
---|
| 816 | if(principal_name_type == NULL) { |
---|
[2e9455f] | 817 | if(debug)fprintf(stderr,"THIS IS BAD, %s \n", principal_name); |
---|
| 818 | errx(1,"Can not find idtype for principal_name, don't see it in context?"); |
---|
[6244e28] | 819 | } |
---|
| 820 | |
---|
| 821 | if(debug) |
---|
| 822 | fprintf(stderr,"aspect's typed_string (%s)(%s)\n", |
---|
| 823 | principal_name_type, principal_name); |
---|
[8bd77b5] | 824 | char *aspect_name=abac_aspect_aspect_name(ptr); |
---|
| 825 | char *aspect_name_type=abac_aspect_type_string(ptr); |
---|
| 826 | char *linked_role_name=abac_aspect_linked_role_name(ptr); |
---|
| 827 | char *params_string=NULL; |
---|
| 828 | char *linked_params_string=NULL; |
---|
| 829 | |
---|
| 830 | if(ptr->aspect_params) { |
---|
| 831 | params_string=abac_param_list_typed_string_with_condition(ptr->aspect_params); |
---|
| 832 | } |
---|
| 833 | if(ptr->linked_role_params) { |
---|
| 834 | linked_params_string=abac_param_list_typed_string_with_condition(ptr->linked_role_params); |
---|
| 835 | } |
---|
| 836 | |
---|
| 837 | asprintf(&final,"[%s:%s]",principal_name_type,principal_name); |
---|
| 838 | if(linked_role_name) { |
---|
| 839 | tmp=final; |
---|
| 840 | final=NULL; |
---|
[7211a95] | 841 | asprintf(&final,"%s.role:%s",tmp,linked_role_name); |
---|
[8bd77b5] | 842 | free(tmp); |
---|
| 843 | } |
---|
| 844 | if(linked_params_string) { |
---|
| 845 | tmp=final; |
---|
| 846 | final=NULL; |
---|
| 847 | asprintf(&final,"%s(%s)",tmp,linked_params_string); |
---|
| 848 | free(tmp); |
---|
| 849 | } |
---|
| 850 | if(aspect_name) { |
---|
| 851 | tmp=final; |
---|
| 852 | final=NULL; |
---|
| 853 | asprintf(&final,"%s.%s:%s",tmp,aspect_name_type,aspect_name); |
---|
| 854 | free(tmp); |
---|
| 855 | } |
---|
| 856 | if(params_string) { |
---|
| 857 | tmp=final; |
---|
| 858 | final=NULL; |
---|
| 859 | asprintf(&final,"%s(%s)",tmp,params_string); |
---|
| 860 | free(tmp); |
---|
| 861 | } |
---|
| 862 | |
---|
| 863 | if(linked_params_string) free(linked_params_string); |
---|
| 864 | if(params_string) free(params_string); |
---|
[d0efdec] | 865 | /* XXX */ |
---|
| 866 | fprintf(stderr,"final is at(%ld)(%s)\n",(long)final, final); |
---|
[8bd77b5] | 867 | return final; |
---|
| 868 | } |
---|
| 869 | |
---|
| 870 | /** |
---|
| 871 | * Build an attribute key from head and tail osets/role. Static. |
---|
| 872 | */ |
---|
| 873 | #define ROLE_SEPARATOR " <- " |
---|
| 874 | char *abac_aspect_attr_key(abac_aspect_t *head_ptr, abac_aspect_t *tail_ptr) { |
---|
| 875 | char *head = abac_aspect_string_with_condition(head_ptr); |
---|
| 876 | int head_len = strlen(head); |
---|
| 877 | |
---|
| 878 | char *tail = abac_aspect_string_with_condition(tail_ptr); |
---|
| 879 | int tail_len = strlen(tail); |
---|
| 880 | |
---|
| 881 | int sep_len = sizeof(ROLE_SEPARATOR) - 1; |
---|
| 882 | |
---|
| 883 | // "head <- tail" |
---|
| 884 | char *ret = abac_xmalloc(head_len + tail_len + sep_len + 1); |
---|
| 885 | memcpy(ret, head, head_len); |
---|
| 886 | memcpy(ret + head_len, ROLE_SEPARATOR, sep_len); |
---|
| 887 | memcpy(ret + head_len + sep_len, tail, tail_len); |
---|
| 888 | ret[head_len + sep_len + tail_len] = 0; |
---|
| 889 | |
---|
| 890 | return ret; |
---|
| 891 | } |
---|