func()

in pkg/config/proxy.go [439:461]

• 21 lines of code
• 10 McCabe index (conditional complexity)

func (cfg *DomainConf) checkForSvr(serverCfg ServerCommonConf) (err error) {
	if err = cfg.check(); err != nil {
		return
	}

	for _, domain := range cfg.CustomDomains {
		if serverCfg.SubDomainHost != "" && len(strings.Split(serverCfg.SubDomainHost, ".")) < len(strings.Split(domain, ".")) {
			if strings.Contains(domain, serverCfg.SubDomainHost) {
				return fmt.Errorf("custom domain [%s] should not belong to subdomain_host [%s]", domain, serverCfg.SubDomainHost)
			}
		}
	}

	if cfg.SubDomain != "" {
		if serverCfg.SubDomainHost == "" {
			return fmt.Errorf("subdomain is not supported because this feature is not enabled in remote frps")
		}
		if strings.Contains(cfg.SubDomain, ".") || strings.Contains(cfg.SubDomain, "*") {
			return fmt.Errorf("'.' and '*' is not supported in subdomain")
		}
	}
	return nil
}