mirror of https://github.com/openssl/openssl.git
99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
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/*
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* Copyright 2024 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include "quic_obj_local.h"
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#include "quic_local.h"
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static int obj_update_cache(QUIC_OBJ *obj);
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int ossl_quic_obj_init(QUIC_OBJ *obj,
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SSL_CTX *ctx,
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int type,
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SSL *parent_obj,
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QUIC_ENGINE *engine,
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QUIC_PORT *port)
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{
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int is_event_leader = (engine != NULL);
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int is_port_leader = (port != NULL);
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if (!ossl_assert(!obj->init_done && obj != NULL && SSL_TYPE_IS_QUIC(type)
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&& (parent_obj == NULL || IS_QUIC(parent_obj))))
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return 0;
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/* Event leader is always the root object. */
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if (!ossl_assert(!is_event_leader || parent_obj == NULL))
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return 0;
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if (!ossl_ssl_init(&obj->ssl, ctx, ctx->method, type))
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goto err;
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obj->parent_obj = parent_obj;
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obj->is_event_leader = is_event_leader;
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obj->is_port_leader = is_port_leader;
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if (!obj_update_cache(obj))
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goto err;
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obj->engine = engine;
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obj->port = port;
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obj->init_done = 1;
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return 1;
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err:
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obj->is_event_leader = 0;
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obj->is_port_leader = 0;
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return 0;
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}
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static ossl_inline QUIC_OBJ *
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ssl_to_obj(SSL *ssl)
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{
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if (ssl == NULL)
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return NULL;
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assert(IS_QUIC(ssl));
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return (QUIC_OBJ *)ssl;
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}
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static int obj_update_cache(QUIC_OBJ *obj)
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{
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QUIC_OBJ *p;
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for (p = obj; p != NULL && !p->is_event_leader;
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p = ssl_to_obj(p->parent_obj))
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if (!ossl_assert(p == obj || p->init_done))
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return 0;
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if (!ossl_assert(p != NULL))
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return 0;
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/*
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* Offset of ->ssl is guaranteed to be 0 but the NULL check makes ubsan
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* happy.
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*/
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obj->cached_event_leader = (p != NULL) ? &p->ssl : NULL;
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obj->engine = p->engine;
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for (p = obj; p != NULL && !p->is_port_leader;
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p = ssl_to_obj(p->parent_obj));
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obj->cached_port_leader = (p != NULL) ? &p->ssl : NULL;
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obj->port = (p != NULL) ? p->port : NULL;
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return 1;
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}
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SSL_CONNECTION *ossl_quic_obj_get0_handshake_layer(QUIC_OBJ *obj)
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{
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assert(obj->init_done);
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if (obj == NULL || obj->ssl.type != SSL_TYPE_QUIC_CONNECTION)
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return NULL;
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return SSL_CONNECTION_FROM_SSL_ONLY(((QUIC_CONNECTION *)obj)->tls);
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}
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