check_crl_path
if ((ctx->current_crl_score & CRL_SCORE_SAME_PATH) == 0 && check_crl_path(ctx, ctx->current_issuer) <= 0 && !verify_cb_crl(ctx, X509_V_ERR_CRL_PATH_VALIDATION_ERROR))
static int check_crl_path(X509_STORE_CTX *ctx, X509 *x);