int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps)
{
POLICY_MAPPING *map;
X509_POLICY_DATA *data;
X509_POLICY_CACHE *cache = x->policy_cache;
size_t i;
int ret = 0;
if (sk_POLICY_MAPPING_num(maps) == 0) {
ret = -1;
goto bad_mapping;
}
for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++) {
map = sk_POLICY_MAPPING_value(maps, i);
/* Reject if map to or from anyPolicy */
if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy)
|| (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy)) {
ret = -1;
goto bad_mapping;
}
/* Attempt to find matching policy data */
data = policy_cache_find_data(cache, map->issuerDomainPolicy);
/* If we don't have anyPolicy can't map */
if (!data && !cache->anyPolicy)
continue;
/* Create a NODE from anyPolicy */
if (!data) {
data = policy_data_new(NULL, map->issuerDomainPolicy,
cache->anyPolicy->flags
& POLICY_DATA_FLAG_CRITICAL);
if (!data)
goto bad_mapping;
data->qualifier_set = cache->anyPolicy->qualifier_set;
/*
* map->issuerDomainPolicy = NULL;
*/
data->flags |= POLICY_DATA_FLAG_MAPPED_ANY;
data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS;
if (!sk_X509_POLICY_DATA_push(cache->data, data)) {
policy_data_free(data);
goto bad_mapping;
}
} else
data->flags |= POLICY_DATA_FLAG_MAPPED;
if (!sk_ASN1_OBJECT_push(data->expected_policy_set,
map->subjectDomainPolicy))
goto bad_mapping;
map->subjectDomainPolicy = NULL;
}
ret = 1;
bad_mapping:
if (ret == -1)
x->ex_flags |= EXFLAG_INVALID_POLICY;
sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free);
return ret;
}
static int policy_cache_create (X509 * x, CERTIFICATEPOLICIES * policies, int crit)
{
int i;
int ret = 0;
X509_POLICY_CACHE *cache = x->policy_cache;
X509_POLICY_DATA *data = NULL;
POLICYINFO *policy;
if (sk_POLICYINFO_num (policies) == 0)
goto bad_policy;
cache->data = sk_X509_POLICY_DATA_new (policy_data_cmp);
if (!cache->data)
goto bad_policy;
for (i = 0; i < sk_POLICYINFO_num (policies); i++)
{
policy = sk_POLICYINFO_value (policies, i);
data = policy_data_new (policy, NULL, crit);
if (!data)
goto bad_policy;
/* Duplicate policy OIDs are illegal: reject if matches
* found.
*/
if (OBJ_obj2nid (data->valid_policy) == NID_any_policy)
{
if (cache->anyPolicy)
{
ret = -1;
goto bad_policy;
}
cache->anyPolicy = data;
}
else if (sk_X509_POLICY_DATA_find (cache->data, data) != -1)
{
ret = -1;
goto bad_policy;
}
else if (!sk_X509_POLICY_DATA_push (cache->data, data))
goto bad_policy;
data = NULL;
}
ret = 1;
bad_policy:
if (ret == -1)
x->ex_flags |= EXFLAG_INVALID_POLICY;
if (data)
policy_data_free (data);
sk_POLICYINFO_pop_free (policies, POLICYINFO_free);
if (ret <= 0)
{
sk_X509_POLICY_DATA_pop_free (cache->data, policy_data_free);
cache->data = NULL;
}
return ret;
}
void policy_cache_free(X509_POLICY_CACHE *cache)
{
if (!cache)
return;
if (cache->anyPolicy)
policy_data_free(cache->anyPolicy);
if (cache->data)
sk_X509_POLICY_DATA_pop_free(cache->data, policy_data_free);
OPENSSL_free(cache);
}
int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps)
{
POLICY_MAPPING *map;
X509_POLICY_REF *ref = NULL;
X509_POLICY_DATA *data;
X509_POLICY_CACHE *cache = x->policy_cache;
int i;
int ret = 0;
if (sk_POLICY_MAPPING_num(maps) == 0)
{
ret = -1;
goto bad_mapping;
}
cache->maps = sk_X509_POLICY_REF_new(ref_cmp);
for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++)
{
map = sk_POLICY_MAPPING_value(maps, i);
/* Reject if map to or from anyPolicy */
if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy)
|| (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy))
{
ret = -1;
goto bad_mapping;
}
/* If we've already mapped from this OID bad mapping */
if (policy_map_find(cache, map->subjectDomainPolicy) != NULL)
{
ret = -1;
goto bad_mapping;
}
/* Attempt to find matching policy data */
data = policy_cache_find_data(cache, map->issuerDomainPolicy);
/* If we don't have anyPolicy can't map */
if (!data && !cache->anyPolicy)
continue;
/* Create a NODE from anyPolicy */
if (!data)
{
data = policy_data_new(NULL, map->issuerDomainPolicy,
cache->anyPolicy->flags
& POLICY_DATA_FLAG_CRITICAL);
if (!data)
goto bad_mapping;
data->qualifier_set = cache->anyPolicy->qualifier_set;
map->issuerDomainPolicy = NULL;
data->flags |= POLICY_DATA_FLAG_MAPPED_ANY;
data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS;
if (!sk_X509_POLICY_DATA_push(cache->data, data))
{
policy_data_free(data);
goto bad_mapping;
}
}
else
data->flags |= POLICY_DATA_FLAG_MAPPED;
if (!sk_ASN1_OBJECT_push(data->expected_policy_set,
map->subjectDomainPolicy))
goto bad_mapping;
ref = OPENSSL_malloc(sizeof(X509_POLICY_REF));
if (!ref)
goto bad_mapping;
ref->subjectDomainPolicy = map->subjectDomainPolicy;
map->subjectDomainPolicy = NULL;
ref->data = data;
if (!sk_X509_POLICY_REF_push(cache->maps, ref))
goto bad_mapping;
ref = NULL;
}
ret = 1;
bad_mapping:
if (ret == -1)
x->ex_flags |= EXFLAG_INVALID_POLICY;
if (ref)
policy_map_free(ref);
if (ret <= 0)
{
sk_X509_POLICY_REF_pop_free(cache->maps, policy_map_free);
cache->maps = NULL;
}
sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free);
return ret;
}