"fmt"
	"net/http"
	"os"
	"sync"

	"github.com/google/pprof/internal/plugin"
)

type transport struct {
	cert       *string
	key        *string
	ca         *string
	caCertPool *x509.CertPool
	certs      []tls.Certificate
	initOnce   sync.Once
	initErr    error
}

const extraUsage = `    -tls_cert             TLS client certificate file for fetching profile and symbols

func Enabled(kvs config.KVS) bool {
	endpoints := kvs.Get(Endpoints)
	return endpoints != ""
}

// LookupConfig - Initialize new etcd config.
func LookupConfig(kvs config.KVS, rootCAs *x509.CertPool) (Config, error) {
	cfg := Config{}
	if err := config.CheckValidKeys(config.EtcdSubSys, kvs, DefaultKVS); err != nil {
		return cfg, err
	}

	endpoints := env.Get(EnvEtcdEndpoints, kvs.Get(Endpoints))

		t.Fatalf("Invalid number of subjects: got %d want %d", g, w)
	}

	wantPool := NewCertPool()
	for _, certPEM := range rootPEMs {
		wantPool.AppendCertsFromPEM([]byte(certPEM))
	}
	strCertPool := func(p *CertPool) string {
		return string(bytes.Join(p.Subjects(), []byte("\n")))
	}

	if !certPoolEqual(gotPool, wantPool) {
		g, w := strCertPool(gotPool), strCertPool(wantPool)

	LookupHost  LookupHost  // Custom lookupHost, is nil on containerized deployments.
	DialTimeout time.Duration

	// TLS Settings
	RootCAs          *x509.CertPool
	CipherSuites     []uint16
	CurvePreferences []tls.CurveID

	// HTTP2
	EnableHTTP2 bool

	// TCP Options
	TCPOptions TCPOptions
}

	L2_I := boringCert(t, "L2_I", boringRSAKey(t, 1024), I_R1, boringCertLeaf)

	// client verifying server cert
	testServerCert := func(t *testing.T, desc string, pool *x509.CertPool, key interface{}, list [][]byte, ok bool) {
		clientConfig := testConfig.Clone()
		clientConfig.RootCAs = pool
		clientConfig.InsecureSkipVerify = false
		clientConfig.ServerName = "example.com"

func Enabled(kvs config.KVS) bool {
	return kvs.Get(ServerAddr) != ""
}

// Lookup - initializes LDAP config, overrides config, if any ENV values are set.
func Lookup(s config.Config, rootCAs *x509.CertPool) (l Config, err error) {
	l = Config{}

	// Purge all removed keys first
	kvs := s[config.IdentityLDAPSubSys][config.Default]
	if len(kvs) > 0 {
		for _, k := range removedKeys {
			kvs.Delete(k)
		}

	Password             string         `json:"password"`
	MaxReconnectInterval time.Duration  `json:"reconnectInterval"`
	KeepAlive            time.Duration  `json:"keepAliveInterval"`
	RootCAs              *x509.CertPool `json:"-"`
	QueueDir             string         `json:"queueDir"`
	QueueLimit           uint64         `json:"queueLimit"`
}

// Validate MQTTArgs fields
func (m MQTTArgs) Validate() error {
	if !m.Enable {

& 📤 ✔️ 🕳 🈚 **♻ 🇺🇸🔍 📄**, ⚫️ 💪 🎏 🦲 ⚖️ ⚫️ 💪 🕳 🎏.

### 🖼 🧰 🇺🇸🔍

🧰 👆 💪 ⚙️ 🤝 ❎ 🗳:

* Traefik
    * 🔁 🍵 📄 🔕 👶
* 📥
    * 🔁 🍵 📄 🔕 👶
* 👌
    * ⏮️ 🔢 🦲 💖 Certbot 📄 🔕
* ✳
    * ⏮️ 🔢 🦲 💖 Certbot 📄 🔕
* Kubernetes ⏮️ 🚧 🕹 💖 👌
    * ⏮️ 🔢 🦲 💖 🛂-👨‍💼 📄 🔕
* 🍵 🔘 ☁ 🐕‍🦺 🍕 👫 🐕‍🦺 (✍ 🔛 👶)

* Traefik
    * С автоматическим обновлением сертификатов ✨
* Caddy
    * С автоматическим обновлением сертификатов ✨
* Nginx
    * С дополнительным компонентом типа Certbot для обновления сертификатов
* HAProxy
    * С дополнительным компонентом типа Certbot для обновления сертификатов
* Kubernetes с Ingress Controller похожим на Nginx
    * С дополнительным компонентом типа cert-manager для обновления сертификатов

// for cases where the options (particularly the CAs) can change.  If the bool is false, then the returned VerifyOptions
// are ignored and the authenticator will express "no opinion".  This allows a clear signal for cases where a CertPool
// is eventually expected, but not currently present.
type VerifyOptionFunc func() (x509.VerifyOptions, bool)

// Authenticator implements request.Authenticator by extracting user info from verified client certificates