Function has_auth

sql/sql_acl.cc:7310–7318

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static bool has_auth(LEX_USER *user, LEX *lex)
{
  return user->has_auth() ||
         lex->account_options.ssl_type != SSL_TYPE_NOT_SPECIFIED ||
         lex->account_options.ssl_cipher.str ||
         lex->account_options.x509_issuer.str ||
         lex->account_options.x509_subject.str ||
         lex->account_options.specified_limits;
}

static bool copy_and_check_auth(LEX_USER *to, LEX_USER *from, THD *thd)
{