static oval_result_t eval_check_state(struct oval_test *test, void **args) { struct oval_syschar_model *syschar_model; struct oval_result_item_iterator *ritems_itr; struct oresults item_ores; oval_result_t result; oval_check_t ste_check; oval_operator_t ste_opr; ste_check = oval_test_get_check(test); ste_opr = oval_test_get_state_operator(test); syschar_model = oval_result_system_get_syschar_model(SYSTEM); ores_clear(&item_ores); ritems_itr = oval_result_test_get_items(TEST); while (oval_result_item_iterator_has_more(ritems_itr)) { struct oval_result_item *ritem; struct oval_sysitem *item; oval_syschar_status_t item_status; struct oresults ste_ores; struct oval_state_iterator *ste_itr; oval_result_t item_res; ritem = oval_result_item_iterator_next(ritems_itr); item = oval_result_item_get_sysitem(ritem); item_status = oval_sysitem_get_status(item); switch (item_status) { case SYSCHAR_STATUS_ERROR: case SYSCHAR_STATUS_NOT_COLLECTED: item_res = OVAL_RESULT_ERROR; ores_add_res(&item_ores, item_res); oval_result_item_set_result(ritem, item_res); continue; case SYSCHAR_STATUS_DOES_NOT_EXIST: item_res = OVAL_RESULT_FALSE; ores_add_res(&item_ores, item_res); oval_result_item_set_result(ritem, item_res); continue; default: break; } ores_clear(&ste_ores); ste_itr = oval_test_get_states(test); while (oval_state_iterator_has_more(ste_itr)) { struct oval_state *ste; oval_result_t ste_res; ste = oval_state_iterator_next(ste_itr); ste_res = eval_item(syschar_model, item, ste); ores_add_res(&ste_ores, ste_res); } oval_state_iterator_free(ste_itr); item_res = ores_get_result_byopr(&ste_ores, ste_opr); ores_add_res(&item_ores, item_res); oval_result_item_set_result(ritem, item_res); } oval_result_item_iterator_free(ritems_itr); result = ores_get_result_bychk(&item_ores, ste_check); return result; }
static inline oval_result_t _evaluate_sysent_with_variable(struct oval_syschar_model *syschar_model, struct oval_entity *state_entity, struct oval_sysent *item_entity, oval_operation_t state_entity_operation, struct oval_state_content *content) { oval_syschar_collection_flag_t flag; oval_result_t ent_val_res; struct oval_variable *state_entity_var; if ((state_entity_var = oval_entity_get_variable(state_entity)) == NULL) { oscap_seterr(OSCAP_EFAMILY_OVAL, "OVAL internal error: found NULL variable"); return -1; } if (0 != oval_syschar_model_compute_variable(syschar_model, state_entity_var)) { return -1; } flag = oval_variable_get_collection_flag(state_entity_var); switch (flag) { case SYSCHAR_FLAG_COMPLETE: case SYSCHAR_FLAG_INCOMPLETE:{ struct oresults var_ores; struct oval_value_iterator *val_itr; ores_clear(&var_ores); val_itr = oval_variable_get_values(state_entity_var); while (oval_value_iterator_has_more(val_itr)) { struct oval_value *var_val; char *state_entity_val_text = NULL; oval_result_t var_val_res; var_val = oval_value_iterator_next(val_itr); state_entity_val_text = oval_value_get_text(var_val); if (state_entity_val_text == NULL) { dE("Found NULL variable value text."); ores_add_res(&var_ores, OVAL_RESULT_ERROR); break; } oval_datatype_t state_entity_val_datatype = oval_value_get_datatype(var_val); var_val_res = oval_ent_cmp_str(state_entity_val_text, state_entity_val_datatype, item_entity, state_entity_operation); if (var_val_res == OVAL_RESULT_ERROR) { dE("Error occured when comparing a variable '%s' value '%s' with collected item entity = '%s'", oval_variable_get_id(state_entity_var), state_entity_val_text, oval_sysent_get_value(item_entity)); } ores_add_res(&var_ores, var_val_res); } oval_value_iterator_free(val_itr); oval_check_t var_check = oval_state_content_get_var_check(content); ent_val_res = ores_get_result_bychk(&var_ores, var_check); } break; case SYSCHAR_FLAG_ERROR: case SYSCHAR_FLAG_DOES_NOT_EXIST: case SYSCHAR_FLAG_NOT_COLLECTED: case SYSCHAR_FLAG_NOT_APPLICABLE: ent_val_res = OVAL_RESULT_ERROR; break; default: ent_val_res = -1; } return ent_val_res; }
static oval_result_t eval_item(struct oval_syschar_model *syschar_model, struct oval_sysitem *cur_sysitem, struct oval_state *state) { struct oval_state_content_iterator *state_contents_itr; struct oresults ste_ores; oval_operator_t operator; oval_result_t result = OVAL_RESULT_ERROR; ores_clear(&ste_ores); state_contents_itr = oval_state_get_contents(state); while (oval_state_content_iterator_has_more(state_contents_itr)) { struct oval_state_content *content; struct oval_entity *state_entity; char *state_entity_name; oval_operation_t state_entity_operation; oval_check_t entity_check; oval_result_t ste_ent_res; struct oval_sysent_iterator *item_entities_itr; struct oresults ent_ores; bool found_matching_item; if ((content = oval_state_content_iterator_next(state_contents_itr)) == NULL) { oscap_seterr(OSCAP_EFAMILY_OVAL, "OVAL internal error: found NULL state content"); goto fail; } if ((state_entity = oval_state_content_get_entity(content)) == NULL) { oscap_seterr(OSCAP_EFAMILY_OVAL, "OVAL internal error: found NULL entity"); goto fail; } if ((state_entity_name = oval_entity_get_name(state_entity)) == NULL) { oscap_seterr(OSCAP_EFAMILY_OVAL, "OVAL internal error: found NULL entity name"); goto fail; } if (oscap_streq(state_entity_name, "line") && oval_state_get_subtype(state) == (oval_subtype_t) OVAL_INDEPENDENT_TEXT_FILE_CONTENT) { /* Hack: textfilecontent_state/line shall be compared against textfilecontent_item/text. * * textfilecontent_test and textfilecontent54_test share the same syschar * (textfilecontent_item). In OVAL 5.3 and below this syschar did not hold any usable * information ('text' ent). In OVAL 5.4 textfilecontent_test was deprecated. But the * 'text' ent has been added to textfilecontent_item, making it potentially usable. */ oval_version_t over = oval_state_get_schema_version(state); if (oval_version_cmp(over, OVAL_VERSION(5.4)) >= 0) { /* The OVAL-5.3 does not have textfilecontent_item/text */ state_entity_name = "text"; } } entity_check = oval_state_content_get_ent_check(content); state_entity_operation = oval_entity_get_operation(state_entity); ores_clear(&ent_ores); found_matching_item = false; item_entities_itr = oval_sysitem_get_sysents(cur_sysitem); while (oval_sysent_iterator_has_more(item_entities_itr)) { struct oval_sysent *item_entity; oval_result_t ent_val_res; char *item_entity_name; item_entity = oval_sysent_iterator_next(item_entities_itr); if (item_entity == NULL) { oscap_seterr(OSCAP_EFAMILY_OVAL, "OVAL internal error: found NULL sysent"); oval_sysent_iterator_free(item_entities_itr); goto fail; } item_entity_name = oval_sysent_get_name(item_entity); if (strcmp(item_entity_name, state_entity_name)) continue; found_matching_item = true; /* copy mask attribute from state to item */ if (oval_entity_get_mask(state_entity)) oval_sysent_set_mask(item_entity,1); ent_val_res = _evaluate_sysent(syschar_model, item_entity, state_entity, state_entity_operation, content); if (((signed) ent_val_res) == -1) { oval_sysent_iterator_free(item_entities_itr); goto fail; } ores_add_res(&ent_ores, ent_val_res); } oval_sysent_iterator_free(item_entities_itr); if (!found_matching_item) dW("Entity name '%s' from state (id: '%s') not found in item (id: '%s').\n", state_entity_name, oval_state_get_id(state), oval_sysitem_get_id(cur_sysitem)); ste_ent_res = ores_get_result_bychk(&ent_ores, entity_check); ores_add_res(&ste_ores, ste_ent_res); } oval_state_content_iterator_free(state_contents_itr); operator = oval_state_get_operator(state); result = ores_get_result_byopr(&ste_ores, operator); return result; fail: oval_state_content_iterator_free(state_contents_itr); return OVAL_RESULT_ERROR; }