aboutsummaryrefslogtreecommitdiffstats
path: root/security/integrity/ima/ima_policy.c
diff options
context:
space:
mode:
Diffstat (limited to 'security/integrity/ima/ima_policy.c')
-rw-r--r--security/integrity/ima/ima_policy.c33
1 files changed, 20 insertions, 13 deletions
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index babc5009756d..778a735621f1 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -255,6 +255,13 @@ static int ima_lsm_rule_init(struct ima_measure_rule_entry *entry,
255 return result; 255 return result;
256} 256}
257 257
258static void ima_log_string(struct audit_buffer *ab, char *key, char *value)
259{
260 audit_log_format(ab, "%s=", key);
261 audit_log_untrustedstring(ab, value);
262 audit_log_format(ab, " ");
263}
264
258static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry) 265static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry)
259{ 266{
260 struct audit_buffer *ab; 267 struct audit_buffer *ab;
@@ -277,7 +284,7 @@ static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry)
277 token = match_token(p, policy_tokens, args); 284 token = match_token(p, policy_tokens, args);
278 switch (token) { 285 switch (token) {
279 case Opt_measure: 286 case Opt_measure:
280 audit_log_format(ab, "%s ", "measure"); 287 ima_log_string(ab, "action", "measure");
281 288
282 if (entry->action != UNKNOWN) 289 if (entry->action != UNKNOWN)
283 result = -EINVAL; 290 result = -EINVAL;
@@ -285,7 +292,7 @@ static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry)
285 entry->action = MEASURE; 292 entry->action = MEASURE;
286 break; 293 break;
287 case Opt_dont_measure: 294 case Opt_dont_measure:
288 audit_log_format(ab, "%s ", "dont_measure"); 295 ima_log_string(ab, "action", "dont_measure");
289 296
290 if (entry->action != UNKNOWN) 297 if (entry->action != UNKNOWN)
291 result = -EINVAL; 298 result = -EINVAL;
@@ -293,7 +300,7 @@ static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry)
293 entry->action = DONT_MEASURE; 300 entry->action = DONT_MEASURE;
294 break; 301 break;
295 case Opt_func: 302 case Opt_func:
296 audit_log_format(ab, "func=%s ", args[0].from); 303 ima_log_string(ab, "func", args[0].from);
297 304
298 if (entry->func) 305 if (entry->func)
299 result = -EINVAL; 306 result = -EINVAL;
@@ -313,7 +320,7 @@ static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry)
313 entry->flags |= IMA_FUNC; 320 entry->flags |= IMA_FUNC;
314 break; 321 break;
315 case Opt_mask: 322 case Opt_mask:
316 audit_log_format(ab, "mask=%s ", args[0].from); 323 ima_log_string(ab, "mask", args[0].from);
317 324
318 if (entry->mask) 325 if (entry->mask)
319 result = -EINVAL; 326 result = -EINVAL;
@@ -332,7 +339,7 @@ static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry)
332 entry->flags |= IMA_MASK; 339 entry->flags |= IMA_MASK;
333 break; 340 break;
334 case Opt_fsmagic: 341 case Opt_fsmagic:
335 audit_log_format(ab, "fsmagic=%s ", args[0].from); 342 ima_log_string(ab, "fsmagic", args[0].from);
336 343
337 if (entry->fsmagic) { 344 if (entry->fsmagic) {
338 result = -EINVAL; 345 result = -EINVAL;
@@ -345,7 +352,7 @@ static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry)
345 entry->flags |= IMA_FSMAGIC; 352 entry->flags |= IMA_FSMAGIC;
346 break; 353 break;
347 case Opt_uid: 354 case Opt_uid:
348 audit_log_format(ab, "uid=%s ", args[0].from); 355 ima_log_string(ab, "uid", args[0].from);
349 356
350 if (entry->uid != -1) { 357 if (entry->uid != -1) {
351 result = -EINVAL; 358 result = -EINVAL;
@@ -362,44 +369,44 @@ static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry)
362 } 369 }
363 break; 370 break;
364 case Opt_obj_user: 371 case Opt_obj_user:
365 audit_log_format(ab, "obj_user=%s ", args[0].from); 372 ima_log_string(ab, "obj_user", args[0].from);
366 result = ima_lsm_rule_init(entry, args[0].from, 373 result = ima_lsm_rule_init(entry, args[0].from,
367 LSM_OBJ_USER, 374 LSM_OBJ_USER,
368 AUDIT_OBJ_USER); 375 AUDIT_OBJ_USER);
369 break; 376 break;
370 case Opt_obj_role: 377 case Opt_obj_role:
371 audit_log_format(ab, "obj_role=%s ", args[0].from); 378 ima_log_string(ab, "obj_role", args[0].from);
372 result = ima_lsm_rule_init(entry, args[0].from, 379 result = ima_lsm_rule_init(entry, args[0].from,
373 LSM_OBJ_ROLE, 380 LSM_OBJ_ROLE,
374 AUDIT_OBJ_ROLE); 381 AUDIT_OBJ_ROLE);
375 break; 382 break;
376 case Opt_obj_type: 383 case Opt_obj_type:
377 audit_log_format(ab, "obj_type=%s ", args[0].from); 384 ima_log_string(ab, "obj_type", args[0].from);
378 result = ima_lsm_rule_init(entry, args[0].from, 385 result = ima_lsm_rule_init(entry, args[0].from,
379 LSM_OBJ_TYPE, 386 LSM_OBJ_TYPE,
380 AUDIT_OBJ_TYPE); 387 AUDIT_OBJ_TYPE);
381 break; 388 break;
382 case Opt_subj_user: 389 case Opt_subj_user:
383 audit_log_format(ab, "subj_user=%s ", args[0].from); 390 ima_log_string(ab, "subj_user", args[0].from);
384 result = ima_lsm_rule_init(entry, args[0].from, 391 result = ima_lsm_rule_init(entry, args[0].from,
385 LSM_SUBJ_USER, 392 LSM_SUBJ_USER,
386 AUDIT_SUBJ_USER); 393 AUDIT_SUBJ_USER);
387 break; 394 break;
388 case Opt_subj_role: 395 case Opt_subj_role:
389 audit_log_format(ab, "subj_role=%s ", args[0].from); 396 ima_log_string(ab, "subj_role", args[0].from);
390 result = ima_lsm_rule_init(entry, args[0].from, 397 result = ima_lsm_rule_init(entry, args[0].from,
391 LSM_SUBJ_ROLE, 398 LSM_SUBJ_ROLE,
392 AUDIT_SUBJ_ROLE); 399 AUDIT_SUBJ_ROLE);
393 break; 400 break;
394 case Opt_subj_type: 401 case Opt_subj_type:
395 audit_log_format(ab, "subj_type=%s ", args[0].from); 402 ima_log_string(ab, "subj_type", args[0].from);
396 result = ima_lsm_rule_init(entry, args[0].from, 403 result = ima_lsm_rule_init(entry, args[0].from,
397 LSM_SUBJ_TYPE, 404 LSM_SUBJ_TYPE,
398 AUDIT_SUBJ_TYPE); 405 AUDIT_SUBJ_TYPE);
399 break; 406 break;
400 case Opt_err: 407 case Opt_err:
408 ima_log_string(ab, "UNKNOWN", p);
401 result = -EINVAL; 409 result = -EINVAL;
402 audit_log_format(ab, "UNKNOWN=%s ", p);
403 break; 410 break;
404 } 411 }
405 } 412 }