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fix: fixed a bug in the https.proxy certificates cache due to a race condition which caused the same certificate to be generated more than once

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This commit is contained in:
evilsocket 2019-02-19 10:51:12 +01:00
commit e3573b81e4
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GPG key ID: 1564D7F30393A456
2 changed files with 9 additions and 9 deletions
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14
modules/http_proxy/http_proxy_cert_cache.go
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@ -11,23 +11,21 @@ var (
certLock = &sync.Mutex{}
)
func getCachedCert(domain string, port int) *tls.Certificate {
key := fmt.Sprintf("%s:%d", domain, port)
func keyFor(domain string, port int) string {
return fmt.Sprintf("%s:%d", domain, port)
}
func getCachedCert(domain string, port int) *tls.Certificate {
certLock.Lock()
defer certLock.Unlock()
if cert, found := certCache[key]; found {
if cert, found := certCache[keyFor(domain, port)]; found {
return cert
}
return nil
}
func setCachedCert(domain string, port int, cert *tls.Certificate) {
key := fmt.Sprintf("%s:%d", domain, port)
certLock.Lock()
defer certLock.Unlock()
certCache[key] = cert
certCache[keyFor(domain, port)] = cert
}