mirror of
https://github.com/netbirdio/netbird.git
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Maycon Santos
57722d3235
Verify access decisions through real management and proxy containers, including upstream delivery and denial. Cover inherited auth, bypass/block, precedence, credential stripping, updates, restrictions, deletion, and private-service rejection. Validation: container E2E and scoped lint passed locally. The workflow builds both components from the checkout.
67 lines
2.3 KiB
Go
67 lines
2.3 KiB
Go
//go:build e2e
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package harness
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import (
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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"crypto/x509"
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"crypto/x509/pkix"
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"encoding/pem"
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"fmt"
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"math/big"
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"os"
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"path/filepath"
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"time"
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)
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// writeSelfSignedCert generates a self-signed TLS cert/key pair covering the
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// given DNS names and writes them as tls.crt / tls.key in dir. The proxy serves
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// this for the agent-network endpoint; test clients either trust the generated
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// certificate explicitly or opt out of verification inside the test network.
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func writeSelfSignedCert(dir string, dnsNames []string) error {
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priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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if err != nil {
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return fmt.Errorf("generate key: %w", err)
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}
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serial, err := rand.Int(rand.Reader, new(big.Int).Lsh(big.NewInt(1), 128))
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if err != nil {
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return fmt.Errorf("generate serial: %w", err)
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}
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tmpl := x509.Certificate{
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SerialNumber: serial,
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Subject: pkix.Name{CommonName: dnsNames[0]},
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NotBefore: time.Now().Add(-time.Hour),
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NotAfter: time.Now().Add(365 * 24 * time.Hour),
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KeyUsage: x509.KeyUsageDigitalSignature,
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ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
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DNSNames: dnsNames,
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BasicConstraintsValid: true,
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}
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der, err := x509.CreateCertificate(rand.Reader, &tmpl, &tmpl, &priv.PublicKey, priv)
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if err != nil {
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return fmt.Errorf("create certificate: %w", err)
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}
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certPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: der})
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if err := os.WriteFile(filepath.Join(dir, "tls.crt"), certPEM, 0o644); err != nil { //nolint:gosec // public cert, bind-mounted and read by the proxy container
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return fmt.Errorf("write cert: %w", err)
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}
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keyDER, err := x509.MarshalECPrivateKey(priv)
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if err != nil {
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return fmt.Errorf("marshal key: %w", err)
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}
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keyPEM := pem.EncodeToMemory(&pem.Block{Type: "EC PRIVATE KEY", Bytes: keyDER})
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// World-readable so the (non-root) proxy container can read the bind-mounted
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// key on Linux CI runners; this is a throwaway self-signed e2e key.
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if err := os.WriteFile(filepath.Join(dir, "tls.key"), keyPEM, 0o644); err != nil { //nolint:gosec // throwaway self-signed e2e key, must be readable by the proxy container uid
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return fmt.Errorf("write key: %w", err)
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}
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return nil
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}
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