56 lines
1.7 KiB
Diff
56 lines
1.7 KiB
Diff
diff --git a/lib/cert-cred.c b/lib/cert-cred.c
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index d3777e51f..2150e903f 100644
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--- a/lib/cert-cred.c
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+++ b/lib/cert-cred.c
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@@ -387,6 +387,13 @@ static int call_legacy_cert_cb1(gnutls_session_t session,
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if (ret < 0)
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return gnutls_assert_val(ret);
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+ if (st2.ncerts == 0) {
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+ *pcert_length = 0;
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+ *ocsp_length = 0;
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+ *privkey = NULL;
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+ return 0;
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+ }
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+
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if (st2.cert_type != GNUTLS_CRT_X509) {
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gnutls_assert();
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ret = GNUTLS_E_INVALID_REQUEST;
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@@ -503,7 +510,10 @@ void gnutls_certificate_set_retrieve_function
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gnutls_certificate_retrieve_function * func)
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{
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cred->legacy_cert_cb1 = func;
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- cred->get_cert_callback3 = call_legacy_cert_cb1;
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+ if (!func)
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+ cred->get_cert_callback3 = NULL;
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+ else
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+ cred->get_cert_callback3 = call_legacy_cert_cb1;
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}
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static int call_legacy_cert_cb2(gnutls_session_t session,
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@@ -578,7 +588,10 @@ void gnutls_certificate_set_retrieve_function2
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gnutls_certificate_retrieve_function2 * func)
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{
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cred->legacy_cert_cb2 = func;
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- cred->get_cert_callback3 = call_legacy_cert_cb2;
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+ if (!func)
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+ cred->get_cert_callback3 = NULL;
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+ else
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+ cred->get_cert_callback3 = call_legacy_cert_cb2;
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}
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/**
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diff --git a/lib/hello_ext.c b/lib/hello_ext.c
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index a3027130a..f72afe77f 100644
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--- a/lib/hello_ext.c
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+++ b/lib/hello_ext.c
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@@ -208,7 +208,7 @@ int hello_ext_parse(void *_ctx, unsigned tls_id, const uint8_t *data, unsigned d
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if (tls_id == PRE_SHARED_KEY_TLS_ID) {
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ctx->seen_pre_shared_key = 1;
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- } else if (ctx->seen_pre_shared_key) {
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+ } else if (ctx->seen_pre_shared_key && session->security_parameters.entity == GNUTLS_SERVER) {
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/* the pre-shared key extension must always be the last one,
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* draft-ietf-tls-tls13-28: 4.2.11 */
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return gnutls_assert_val(GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER);
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