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authorMauro Sardara <msardara@cisco.com>2020-02-21 11:52:28 +0100
committerMauro Sardara <msardara@cisco.com>2020-02-26 13:19:16 +0100
commitf4433f28b509a9f67ca85d79000ccf9c2f4b7a24 (patch)
tree0f754bc9d8222f3ace11849165753acd85be3b38 /libtransport/src/implementation/tls_socket_producer.h
parent0e7669445b6be1163189521eabed7dd0124043c8 (diff)
[HICN-534] Major rework on libtransport organization
Change-Id: I361b83a18b4fd59be136d5f0817fc28e17e89884 Signed-off-by: Mauro Sardara <msardara@cisco.com>
Diffstat (limited to 'libtransport/src/implementation/tls_socket_producer.h')
-rw-r--r--libtransport/src/implementation/tls_socket_producer.h163
1 files changed, 163 insertions, 0 deletions
diff --git a/libtransport/src/implementation/tls_socket_producer.h b/libtransport/src/implementation/tls_socket_producer.h
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+++ b/libtransport/src/implementation/tls_socket_producer.h
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+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <implementation/socket_producer.h>
+
+#include <openssl/ssl.h>
+#include <condition_variable>
+#include <mutex>
+
+namespace transport {
+namespace implementation {
+
+class P2PSecureProducerSocket;
+
+class TLSProducerSocket : virtual public ProducerSocket {
+ friend class P2PSecureProducerSocket;
+
+ public:
+ explicit TLSProducerSocket(interface::ProducerSocket *producer_socket,
+ P2PSecureProducerSocket *parent,
+ const Name &handshake_name);
+
+ ~TLSProducerSocket();
+
+ uint32_t produce(Name content_name, const uint8_t *buffer, size_t buffer_size,
+ bool is_last = true, uint32_t start_offset = 0) override {
+ return produce(content_name, utils::MemBuf::copyBuffer(buffer, buffer_size),
+ is_last, start_offset);
+ }
+
+ uint32_t produce(Name content_name, std::unique_ptr<utils::MemBuf> &&buffer,
+ bool is_last = true, uint32_t start_offset = 0) override;
+
+ void produce(ContentObject &content_object) override;
+
+ void asyncProduce(const Name &suffix, const uint8_t *buf, size_t buffer_size,
+ bool is_last = true,
+ uint32_t *start_offset = nullptr) override;
+
+ void asyncProduce(Name content_name, std::unique_ptr<utils::MemBuf> &&buffer,
+ bool is_last, uint32_t offset,
+ uint32_t **last_segment = nullptr) override;
+
+ void asyncProduce(ContentObject &content_object) override;
+
+ virtual void accept();
+
+ virtual int async_accept();
+
+ virtual int setSocketOption(
+ int socket_option_key,
+ ProducerInterestCallback socket_option_value) override;
+
+ virtual int setSocketOption(
+ int socket_option_key,
+ ProducerContentCallback socket_option_value) override;
+
+ virtual int getSocketOption(
+ int socket_option_key,
+ ProducerContentCallback **socket_option_value) override;
+
+ int getSocketOption(int socket_option_key,
+ ProducerContentCallback &socket_option_value);
+
+ int getSocketOption(int socket_option_key,
+ ProducerInterestCallback &socket_option_value);
+
+ using ProducerSocket::getSocketOption;
+ using ProducerSocket::onInterest;
+ using ProducerSocket::setSocketOption;
+
+ protected:
+ /* Callback invoked once an interest has been received and its payload
+ * decrypted */
+ ProducerInterestCallback on_interest_input_decrypted_;
+ ProducerInterestCallback on_interest_process_decrypted_;
+ ProducerContentCallback on_content_produced_application_;
+
+ std::mutex mtx_;
+
+ /* Condition variable for the wait */
+ std::condition_variable cv_;
+
+ /* Bool variable, true if there is something to read (an interest arrived) */
+ bool something_to_read_;
+
+ /* First interest that open a secure connection */
+ transport::core::Name name_;
+
+ /* SSL handle */
+ SSL *ssl_;
+ SSL_CTX *ctx_;
+
+ Packet::MemBufPtr packet_;
+
+ std::unique_ptr<utils::MemBuf> head_;
+ std::uint32_t last_segment_;
+ std::shared_ptr<utils::MemBuf> payload_;
+ std::uint32_t key_id_;
+
+ std::thread *handshake;
+ P2PSecureProducerSocket *parent_;
+
+ bool first_;
+ Name handshake_name_;
+ int tls_chunks_;
+ int to_call_oncontentproduced_;
+
+ bool still_writing_;
+
+ utils::EventThread encryption_thread_;
+
+ void onInterest(ProducerSocket &p, Interest &interest);
+ void cacheMiss(interface::ProducerSocket &p, Interest &interest);
+
+ /* Return the number of read bytes in readbytes */
+ static int read(BIO *b, char *buf, size_t size, size_t *readbytes);
+
+ /* Return the number of read bytes in the return param */
+ static int readOld(BIO *h, char *buf, int size);
+
+ /* Return the number of written bytes in written */
+ static int write(BIO *b, const char *buf, size_t size, size_t *written);
+
+ /* Return the number of written bytes in the return param */
+ static int writeOld(BIO *h, const char *buf, int num);
+
+ static long ctrl(BIO *b, int cmd, long num, void *ptr);
+
+ static int addHicnKeyIdCb(SSL *s, unsigned int ext_type, unsigned int context,
+ const unsigned char **out, size_t *outlen, X509 *x,
+ size_t chainidx, int *al, void *add_arg);
+
+ static void freeHicnKeyIdCb(SSL *s, unsigned int ext_type,
+ unsigned int context, const unsigned char *out,
+ void *add_arg);
+
+ static int parseHicnKeyIdCb(SSL *s, unsigned int ext_type,
+ unsigned int context, const unsigned char *in,
+ size_t inlen, X509 *x, size_t chainidx, int *al,
+ void *add_arg);
+
+ void onContentProduced(interface::ProducerSocket &p,
+ const std::error_code &err, uint64_t bytes_written);
+};
+
+} // namespace implementation
+
+} // end namespace transport