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tls: Evict existing certificates from cache when loading ones from disk

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This commit is contained in:
Matthew Holt 2017-10-16 16:40:43 -06:00
parent 79072828a5
commit 654f26cb91
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GPG key ID: 2A349DD577D586A5
1 changed files with 14 additions and 2 deletions
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16
caddytls/certificates.go
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@ -128,8 +128,10 @@ func (cfg *Config) CacheManagedCertificate(domain string) (Certificate, error) {
// cacheUnmanagedCertificatePEMFile loads a certificate for host using certFile
// and keyFile, which must be in PEM format. It stores the certificate in
// memory. The Managed and OnDemand flags of the certificate will be set to
// false.
// memory after evicting any other entries in the cache keyed by the names
// on this certificate. In other words, it replaces existing certificates keyed
// by the names on this certificate. The Managed and OnDemand flags of the
// certificate will be set to false.
//
// This function is safe for concurrent use.
func cacheUnmanagedCertificatePEMFile(certFile, keyFile string) error {
@ -137,6 +139,16 @@ func cacheUnmanagedCertificatePEMFile(certFile, keyFile string) error {
if err != nil {
return err
}
// since this is manually managed, this call might be part of a reload after
// the owner renewed a certificate; so clear cache of any previous cert first,
// otherwise the renewed certificate may never be loaded
certCacheMu.Lock()
for _, name := range cert.Names {
delete(certCache, name)
}
certCacheMu.Unlock()
cacheCertificate(cert)
return nil
}