mem-cred: Add a method to unify certificate references, without adding it
In contrast to add_cert_ref(), get_cert_ref() does not add the certificate to the set, but only finds a reference to the same certificate, if found.
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@ -192,6 +192,24 @@ METHOD(mem_cred_t, add_cert_ref, certificate_t*,
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return add_cert_internal(this, trusted, cert);
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}
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METHOD(mem_cred_t, get_cert_ref, certificate_t*,
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private_mem_cred_t *this, certificate_t *cert)
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{
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certificate_t *cached;
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this->lock->write_lock(this->lock);
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if (this->untrusted->find_first(this->untrusted,
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(linked_list_match_t)certificate_equals,
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(void**)&cached, cert) == SUCCESS)
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{
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cert->destroy(cert);
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cert = cached->get_ref(cached);
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}
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this->lock->unlock(this->lock);
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return cert;
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}
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METHOD(mem_cred_t, add_crl, bool,
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private_mem_cred_t *this, crl_t *crl)
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{
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@ -736,6 +754,7 @@ mem_cred_t *mem_cred_create()
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},
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.add_cert = _add_cert,
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.add_cert_ref = _add_cert_ref,
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.get_cert_ref = _get_cert_ref,
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.add_crl = _add_crl,
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.add_key = _add_key,
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.add_shared = _add_shared,
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@ -58,6 +58,18 @@ struct mem_cred_t {
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certificate_t *(*add_cert_ref)(mem_cred_t *this, bool trusted,
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certificate_t *cert);
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/**
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* Get an existing reference to the same certificate.
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*
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* Searches for the same certficate in the set, and returns a reference
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* to it, destroying the passed certificate. If the passed certificate
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* is not found, it is just returned.
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*
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* @param cert certificate to look up
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* @return the same certificate, potentially different instance
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*/
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certificate_t* (*get_cert_ref)(mem_cred_t *this, certificate_t *cert);
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/**
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* Add an X.509 CRL to the credential set.
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*
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