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53 lines
882 B
Go
53 lines
882 B
Go
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// +build !windows
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package tls
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import (
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"crypto/x509"
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"sync"
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)
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type rootCertsCache struct {
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sync.Mutex
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pool *x509.CertPool
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}
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func (c *rootCertsCache) load() (*x509.CertPool, error) {
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c.Lock()
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defer c.Unlock()
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if c.pool != nil {
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return c.pool, nil
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}
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pool, err := x509.SystemCertPool()
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if err != nil {
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return nil, err
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}
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c.pool = pool
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return pool, nil
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}
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var rootCerts rootCertsCache
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func (c *Config) getCertPool() (*x509.CertPool, error) {
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if c.DisableSystemRoot {
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return c.loadSelfCertPool()
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}
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if len(c.Certificate) == 0 {
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return rootCerts.load()
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}
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pool, err := x509.SystemCertPool()
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if err != nil {
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return nil, newError("system root").AtWarning().Base(err)
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}
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for _, cert := range c.Certificate {
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if !pool.AppendCertsFromPEM(cert.Certificate) {
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return nil, newError("append cert to root").AtWarning().Base(err)
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}
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}
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return pool, err
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}
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