struct oval_state_content *oval_state_content_clone
(struct oval_definition_model *new_model, struct oval_state_content *old_content) {
struct oval_state_content *new_content = oval_state_content_new(new_model);
oval_check_t echeck = oval_state_content_get_ent_check(old_content);
oval_state_content_set_entcheck(new_content, echeck);
struct oval_entity *entity = oval_state_content_get_entity(old_content);
oval_state_content_set_entity(new_content, oval_entity_clone(new_model, entity));
oval_check_t vcheck = oval_state_content_get_var_check(old_content);
oval_state_content_set_varcheck(new_content, vcheck);
oval_existence_t check_existence = oval_state_content_get_check_existence(old_content);
oval_state_content_set_check_existence(new_content, check_existence);
return new_content;
}
xmlNode *oval_state_content_to_dom(struct oval_state_content * content, xmlDoc * doc, xmlNode * parent) {
__attribute__nonnull__(content);
struct oval_record_field_iterator *rf_itr;
bool parent_mask;
xmlNode *content_node = oval_entity_to_dom(content->entity, doc, parent);
parent_mask = oval_entity_get_mask(content->entity);
rf_itr = oval_state_content_get_record_fields(content);
if (oval_record_field_iterator_has_more(rf_itr)) {
xmlNsPtr field_ns = NULL;
field_ns = xmlSearchNsByHref(doc, xmlDocGetRootElement(doc), OVAL_DEFINITIONS_NAMESPACE);
if (field_ns == NULL) {
field_ns = xmlNewNs(xmlDocGetRootElement(doc), OVAL_DEFINITIONS_NAMESPACE, BAD_CAST "oval-def");
}
while (oval_record_field_iterator_has_more(rf_itr)) {
struct oval_record_field *rf;
rf = oval_record_field_iterator_next(rf_itr);
oval_record_field_to_dom(rf, parent_mask, doc, content_node, field_ns);
}
}
oval_record_field_iterator_free(rf_itr);
oval_check_t var_check = oval_state_content_get_var_check(content);
if (var_check != OVAL_CHECK_ALL || xmlHasProp(content_node, BAD_CAST "var_ref"))
xmlNewProp(content_node, BAD_CAST "var_check", BAD_CAST oval_check_get_text(var_check));
oval_check_t ent_check = oval_state_content_get_ent_check(content);
if (ent_check != OVAL_CHECK_ALL)
xmlNewProp(content_node, BAD_CAST "entity_check", BAD_CAST oval_check_get_text(ent_check));
oval_schema_version_t ver = oval_definition_model_get_core_schema_version(content->model);
if (oval_schema_version_cmp(ver, OVAL_SCHEMA_VERSION(5.11.1)) >= 0) {
oval_existence_t check_existence = oval_state_content_get_check_existence(content);
if (check_existence != OVAL_AT_LEAST_ONE_EXISTS) {
// at_least_one_exists is default value
xmlNewProp(content_node, BAD_CAST "check_existence", BAD_CAST oval_existence_get_text(check_existence));
}
}
return content_node;
}
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_existence_t check_existence;
oval_result_t ste_ent_res;
struct oval_sysent_iterator *item_entities_itr;
struct oresults ent_ores;
struct oval_status_counter counter;
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_schema_version_t over = oval_state_get_platform_schema_version(state);
if (oval_schema_version_cmp(over, OVAL_SCHEMA_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);
check_existence = oval_state_content_get_check_existence(content);
state_entity_operation = oval_entity_get_operation(state_entity);
ores_clear(&ent_ores);
found_matching_item = false;
oval_status_counter_clear(&counter);
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;
oval_syschar_status_t item_status;
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_status = oval_sysent_get_status(item_entity);
oval_status_counter_add_status(&counter, item_status);
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_result_t cres = oval_status_counter_get_result(&counter, check_existence);
ores_add_res(&ste_ores, cres);
}
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;
}
int oval_state_to_sexp(void *sess, struct oval_state *state, SEXP_t **out_sexp)
{
SEXP_t *ste, *ste_name, *ste_ent;
SEXP_t *r0, *r1, *r2, *r3, *r4;
char buffer[128];
size_t buflen;
const char *subtype_name;
struct oval_state_content_iterator *contents;
subtype_name = oval_subtype_to_str(oval_state_get_subtype(state));
if (subtype_name == NULL) {
dI("FAIL: unknown subtype: %d", oval_state_get_subtype(state));
return (-1);
}
buflen = snprintf(buffer, sizeof buffer, "%s_state", subtype_name);
_A(buflen < sizeof buffer);
ste_name = SEXP_list_new(r0 = SEXP_string_new(buffer, buflen),
r1 = SEXP_string_new(":id", 3),
r2 = SEXP_string_newf("%s", oval_state_get_id(state)),
r3 = SEXP_string_new(":operator", 9),
r4 = SEXP_number_newu(oval_state_get_operator(state)),
NULL);
ste = SEXP_list_new(ste_name, NULL);
SEXP_vfree(r0, r1, r2, r3, r4, ste_name, NULL);
contents = oval_state_get_contents(state);
while (oval_state_content_iterator_has_more(contents)) {
oval_check_t ochk;
oval_existence_t oext;
oval_entity_varref_type_t vr_type;
struct oval_entity *ent;
struct oval_state_content *content = oval_state_content_iterator_next(contents);
struct oval_record_field_iterator *rf_itr;
ent = oval_state_content_get_entity(content);
ste_ent = oval_entity_to_sexp(ent);
if (ste_ent == NULL) {
goto fail;
}
rf_itr = oval_state_content_get_record_fields(content);
while (oval_record_field_iterator_has_more(rf_itr)) {
struct oval_record_field *rf;
SEXP_t *rf_sexp;
rf = oval_record_field_iterator_next(rf_itr);
rf_sexp = oval_record_field_STATE_to_sexp(rf);
SEXP_list_add(ste_ent, rf_sexp);
SEXP_free(rf_sexp);
}
oval_record_field_iterator_free(rf_itr);
ochk = oval_state_content_get_var_check(content);
if (ochk != OVAL_CHECK_UNKNOWN) {
probe_ent_attr_add(ste_ent, "var_check", r0 = SEXP_number_newu_32(ochk));
SEXP_free(r0);
}
ochk = oval_state_content_get_ent_check(content);
if (ochk != OVAL_CHECK_UNKNOWN) {
probe_ent_attr_add(ste_ent, "entity_check", r0 = SEXP_number_newu_32(ochk));
SEXP_free(r0);
}
oext = oval_state_content_get_check_existence(content);
if (oext != OVAL_EXISTENCE_UNKNOWN) {
probe_ent_attr_add(ste_ent, "check_existence", r0 = SEXP_number_newu_32(oext));
SEXP_free(r0);
}
vr_type = oval_entity_get_varref_type(ent);
if (vr_type == OVAL_ENTITY_VARREF_ATTRIBUTE
|| vr_type == OVAL_ENTITY_VARREF_ELEMENT) {
SEXP_t *val_lst;
struct oval_variable *var;
oval_datatype_t dt;
var = oval_entity_get_variable(ent);
dt = oval_entity_get_datatype(ent);
if (oval_varref_elm_to_sexp(sess, var, dt, &val_lst, NULL) != 0)
goto fail;
SEXP_list_add(ste_ent, val_lst);
SEXP_free(val_lst);
}
SEXP_list_add(ste, ste_ent);
SEXP_free(ste_ent);
}
oval_state_content_iterator_free(contents);
*out_sexp = ste;
return (0);
fail:
oval_state_content_iterator_free(contents);
SEXP_vfree(ste, ste_ent, NULL);
return (-1);
}
