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authorAlberto Compagno <acompagn+fdio@cisco.com>2020-01-07 11:46:02 +0100
committerMauro Sardara <msardara@cisco.com>2020-02-21 15:48:18 +0100
commit35058cdfe0134c88f1aa8d23342d1d7b9d39e296 (patch)
tree978ca9c2232ac381c8391b3d1eeb0f875670d5b1 /libtransport/src/hicn
parent0710f1ff754ebf01ae5befabb055349fe472b0c2 (diff)
[HICN-2] Added P2P confidential communication on hICN
P2P confidential communications exploit the TLS 1.3 protocol to let a consumer to establish a secure communication on an hICN name. Currently we don't support the consumer authentication (mutual authentication in TLS) and the 0-rtt session establishment. Change-Id: I2be073847c08a17f28c837d444081920c5e57a07 Signed-off-by: Alberto Compagno <acompagn+fdio@cisco.com> Signed-off-by: Olivier Roques <oroques+fdio@cisco.com> Signed-off-by: Mauro Sardara <msardara@cisco.com>
Diffstat (limited to 'libtransport/src/hicn')
-rw-r--r--libtransport/src/hicn/transport/config.h.in4
-rw-r--r--libtransport/src/hicn/transport/core/forwarder_interface.h5
-rw-r--r--libtransport/src/hicn/transport/core/memif_connector.cc52
-rw-r--r--libtransport/src/hicn/transport/core/name.cc15
-rw-r--r--libtransport/src/hicn/transport/core/name.h19
-rw-r--r--libtransport/src/hicn/transport/core/packet.cc2
-rw-r--r--libtransport/src/hicn/transport/core/packet.h2
-rw-r--r--libtransport/src/hicn/transport/core/portal.h3
-rw-r--r--libtransport/src/hicn/transport/core/prefix.cc125
-rw-r--r--libtransport/src/hicn/transport/core/prefix.h11
-rw-r--r--libtransport/src/hicn/transport/interfaces/CMakeLists.txt25
-rw-r--r--libtransport/src/hicn/transport/interfaces/callbacks.h2
-rw-r--r--libtransport/src/hicn/transport/interfaces/p2psecure_socket_consumer.cc382
-rw-r--r--libtransport/src/hicn/transport/interfaces/p2psecure_socket_consumer.h147
-rw-r--r--libtransport/src/hicn/transport/interfaces/p2psecure_socket_producer.cc380
-rw-r--r--libtransport/src/hicn/transport/interfaces/p2psecure_socket_producer.h129
-rw-r--r--libtransport/src/hicn/transport/interfaces/rtc_socket_producer.cc3
-rw-r--r--libtransport/src/hicn/transport/interfaces/rtc_socket_producer.h4
-rw-r--r--libtransport/src/hicn/transport/interfaces/socket_consumer.cc24
-rw-r--r--libtransport/src/hicn/transport/interfaces/socket_consumer.h27
-rw-r--r--libtransport/src/hicn/transport/interfaces/socket_options_keys.h10
-rw-r--r--libtransport/src/hicn/transport/interfaces/socket_producer.cc148
-rw-r--r--libtransport/src/hicn/transport/interfaces/socket_producer.h140
-rw-r--r--libtransport/src/hicn/transport/interfaces/tls_rtc_socket_producer.cc178
-rw-r--r--libtransport/src/hicn/transport/interfaces/tls_rtc_socket_producer.h58
-rw-r--r--libtransport/src/hicn/transport/interfaces/tls_socket_consumer.cc364
-rw-r--r--libtransport/src/hicn/transport/interfaces/tls_socket_consumer.h132
-rw-r--r--libtransport/src/hicn/transport/interfaces/tls_socket_producer.cc587
-rw-r--r--libtransport/src/hicn/transport/interfaces/tls_socket_producer.h163
-rw-r--r--libtransport/src/hicn/transport/protocols/incremental_indexer.h4
-rw-r--r--libtransport/src/hicn/transport/protocols/indexer.cc6
-rw-r--r--libtransport/src/hicn/transport/protocols/indexer.h4
-rw-r--r--libtransport/src/hicn/transport/protocols/manifest_indexing_manager.cc297
-rw-r--r--libtransport/src/hicn/transport/protocols/protocol.cc2
-rw-r--r--libtransport/src/hicn/transport/protocols/protocol.h2
-rw-r--r--libtransport/src/hicn/transport/protocols/raaqm.cc14
-rw-r--r--libtransport/src/hicn/transport/protocols/raaqm.h4
-rw-r--r--libtransport/src/hicn/transport/protocols/rate_estimation.cc4
-rw-r--r--libtransport/src/hicn/transport/protocols/rtc.cc58
-rw-r--r--libtransport/src/hicn/transport/protocols/rtc.h6
-rw-r--r--libtransport/src/hicn/transport/protocols/statistics.h4
-rw-r--r--libtransport/src/hicn/transport/protocols/verification_manager.cc35
-rw-r--r--libtransport/src/hicn/transport/protocols/verification_manager.h18
-rw-r--r--libtransport/src/hicn/transport/utils/content_store.cc56
-rw-r--r--libtransport/src/hicn/transport/utils/content_store.h1
-rw-r--r--libtransport/src/hicn/transport/utils/identity.cc32
-rw-r--r--libtransport/src/hicn/transport/utils/identity.h5
-rw-r--r--libtransport/src/hicn/transport/utils/signer.cc111
-rw-r--r--libtransport/src/hicn/transport/utils/signer.h25
-rw-r--r--libtransport/src/hicn/transport/utils/suffix_strategy.h1
-rw-r--r--libtransport/src/hicn/transport/utils/verifier.cc137
-rw-r--r--libtransport/src/hicn/transport/utils/verifier.h20
52 files changed, 3640 insertions, 347 deletions
diff --git a/libtransport/src/hicn/transport/config.h.in b/libtransport/src/hicn/transport/config.h.in
index ef47aff..4e9a0f2 100644
--- a/libtransport/src/hicn/transport/config.h.in
+++ b/libtransport/src/hicn/transport/config.h.in
@@ -25,6 +25,10 @@
#cmakedefine ASIO_STANDALONE
#endif
+#ifndef SECURE_HICNTRANSPORT
+#cmakedefine SECURE_HICNTRANSPORT
+#endif
+
#define RAAQM_CONFIG_PATH "@raaqm_config_path@"
#cmakedefine __vpp__
diff --git a/libtransport/src/hicn/transport/core/forwarder_interface.h b/libtransport/src/hicn/transport/core/forwarder_interface.h
index 380ce76..63b4a2e 100644
--- a/libtransport/src/hicn/transport/core/forwarder_interface.h
+++ b/libtransport/src/hicn/transport/core/forwarder_interface.h
@@ -19,6 +19,8 @@
#include <hicn/transport/core/udp_socket_connector.h>
#include <hicn/transport/portability/portability.h>
#include <hicn/transport/utils/chrono_typedefs.h>
+#include <hicn/transport/utils/log.h>
+
#include <deque>
namespace transport {
@@ -95,6 +97,9 @@ class ForwarderInterface {
packet.setLocator(inet6_address_);
}
+ // TRANSPORT_LOGI("Sending packet %s at %lu",
+ // packet.getName().toString().c_str(),
+ // utils::SteadyClock::now().time_since_epoch().count());
packet.setChecksum();
connector_.send(packet.acquireMemBufReference());
}
diff --git a/libtransport/src/hicn/transport/core/memif_connector.cc b/libtransport/src/hicn/transport/core/memif_connector.cc
index 43dfab3..5e37c88 100644
--- a/libtransport/src/hicn/transport/core/memif_connector.cc
+++ b/libtransport/src/hicn/transport/core/memif_connector.cc
@@ -83,12 +83,11 @@ void MemifConnector::init() {
nullptr, nullptr, nullptr);
if (TRANSPORT_EXPECT_FALSE(err != MEMIF_ERR_SUCCESS)) {
- TRANSPORT_LOGI("memif_init: %s", memif_strerror(err));
+ TRANSPORT_LOGE("memif_init: %s", memif_strerror(err));
}
}
void MemifConnector::connect(uint32_t memif_id, long memif_mode) {
- TRANSPORT_LOGI("Creating memif");
state_ = ConnectorState::CONNECTING;
memif_id_ = memif_id;
@@ -108,7 +107,7 @@ void MemifConnector::connect(uint32_t memif_id, long memif_mode) {
int fd = -1;
err = memif_get_queue_efd(memif_connection_->conn, 0, &fd);
if (TRANSPORT_EXPECT_FALSE(err != MEMIF_ERR_SUCCESS)) {
- TRANSPORT_LOGI("memif_get_queue_efd: %s", memif_strerror(err));
+ TRANSPORT_LOGE("memif_get_queue_efd: %s", memif_strerror(err));
return;
}
@@ -142,15 +141,12 @@ int MemifConnector::createMemif(uint32_t index, uint8_t mode, char *s) {
int err;
- err= memif_create_socket (&args.socket, socket_filename_.c_str(),
- nullptr);
+ err = memif_create_socket(&args.socket, socket_filename_.c_str(), nullptr);
if (TRANSPORT_EXPECT_FALSE(err != MEMIF_ERR_SUCCESS)) {
- throw errors::RuntimeException(memif_strerror(err));
+ throw errors::RuntimeException(memif_strerror(err));
}
- TRANSPORT_LOGD("Socket filename: %s", socket_filename_.c_str());
-
args.interface_id = index;
/* last argument for memif_create (void * private_ctx) is used by user
to identify connection. this context is returned with callbacks */
@@ -202,11 +198,11 @@ int MemifConnector::deleteMemif() {
err = memif_delete(&c->conn);
if (TRANSPORT_EXPECT_FALSE(err != MEMIF_ERR_SUCCESS)) {
- TRANSPORT_LOGI("memif_delete: %s", memif_strerror(err));
+ TRANSPORT_LOGE("memif_delete: %s", memif_strerror(err));
}
if (TRANSPORT_EXPECT_FALSE(c->conn != nullptr)) {
- TRANSPORT_LOGI("memif delete fail");
+ TRANSPORT_LOGE("memif delete fail");
}
return 0;
@@ -252,7 +248,7 @@ int MemifConnector::controlFdUpdate(int fd, uint8_t events, void *private_ctx) {
memif_err = memif_control_fd_handler(evt.data.fd, event);
if (TRANSPORT_EXPECT_FALSE(memif_err != MEMIF_ERR_SUCCESS)) {
- TRANSPORT_LOGI("memif_control_fd_handler: %s",
+ TRANSPORT_LOGE("memif_control_fd_handler: %s",
memif_strerror(memif_err));
}
@@ -269,12 +265,10 @@ int MemifConnector::bufferAlloc(long n, uint16_t qid) {
err = memif_buffer_alloc(c->conn, qid, c->tx_bufs, n, &r, 2000);
if (TRANSPORT_EXPECT_FALSE(err != MEMIF_ERR_SUCCESS)) {
- TRANSPORT_LOGD("memif_buffer_alloc: %s", memif_strerror(err));
+ TRANSPORT_LOGE("memif_buffer_alloc: %s", memif_strerror(err));
}
c->tx_buf_num += r;
- TRANSPORT_LOGD("allocated %d/%ld buffers, %u free buffers", r, n,
- MAX_MEMIF_BUFS - c->tx_buf_num);
return r;
}
@@ -287,18 +281,17 @@ int MemifConnector::txBurst(uint16_t qid) {
err = memif_tx_burst(c->conn, qid, c->tx_bufs, c->tx_buf_num, &r);
if (TRANSPORT_EXPECT_FALSE(err != MEMIF_ERR_SUCCESS)) {
- TRANSPORT_LOGI("memif_tx_burst: %s", memif_strerror(err));
+ TRANSPORT_LOGE("memif_tx_burst: %s", memif_strerror(err));
}
// err = memif_refill_queue(c->conn, qid, r, 0);
if (TRANSPORT_EXPECT_FALSE(err != MEMIF_ERR_SUCCESS)) {
- TRANSPORT_LOGI("memif_tx_burst: %s", memif_strerror(err));
+ TRANSPORT_LOGE("memif_tx_burst: %s", memif_strerror(err));
c->tx_buf_num -= r;
return -1;
}
- TRANSPORT_LOGD("tx: %d/%u", r, c->tx_buf_num);
c->tx_buf_num -= r;
return 0;
}
@@ -322,7 +315,6 @@ void MemifConnector::processInputBuffer() {
/* informs user about connected status. private_ctx is used by user to identify
connection (multiple connections WIP) */
int MemifConnector::onConnect(memif_conn_handle_t conn, void *private_ctx) {
- TRANSPORT_LOGI("memif connected!\n");
MemifConnector *connector = (MemifConnector *)private_ctx;
connector->state_ = ConnectorState::CONNECTED;
memif_refill_queue(conn, 0, -1, 0);
@@ -333,11 +325,8 @@ int MemifConnector::onConnect(memif_conn_handle_t conn, void *private_ctx) {
/* informs user about disconnected status. private_ctx is used by user to
identify connection (multiple connections WIP) */
int MemifConnector::onDisconnect(memif_conn_handle_t conn, void *private_ctx) {
- TRANSPORT_LOGI("memif disconnected!");
MemifConnector *connector = (MemifConnector *)private_ctx;
connector->state_ = ConnectorState::CLOSED;
- TRANSPORT_LOGI("Packet to process: %u",
- connector->memif_connection_->tx_buf_num);
return 0;
}
@@ -357,14 +346,14 @@ int MemifConnector::onInterrupt(memif_conn_handle_t conn, void *private_ctx,
if (TRANSPORT_EXPECT_FALSE(err != MEMIF_ERR_SUCCESS &&
err != MEMIF_ERR_NOBUF)) {
- TRANSPORT_LOGI("memif_rx_burst: %s", memif_strerror(err));
+ TRANSPORT_LOGE("memif_rx_burst: %s", memif_strerror(err));
goto error;
}
c->rx_buf_num += rx;
if (TRANSPORT_EXPECT_TRUE(connector->io_service_.stopped())) {
- TRANSPORT_LOGD("socket stopped: ignoring %u packets", rx);
+ TRANSPORT_LOGE("socket stopped: ignoring %u packets", rx);
goto error;
}
@@ -378,7 +367,7 @@ int MemifConnector::onInterrupt(memif_conn_handle_t conn, void *private_ctx,
packet->append(packet_length);
if (!connector->input_buffer_.push(std::move(packet))) {
- TRANSPORT_LOGI("Error pushing packet. Ring buffer full.");
+ TRANSPORT_LOGE("Error pushing packet. Ring buffer full.");
// TODO Here we should consider the possibility to signal the congestion
// to the application, that would react properly (e.g. slow down
@@ -392,13 +381,11 @@ int MemifConnector::onInterrupt(memif_conn_handle_t conn, void *private_ctx,
err = memif_refill_queue(conn, qid, rx, 0);
if (TRANSPORT_EXPECT_FALSE(err != MEMIF_ERR_SUCCESS)) {
- TRANSPORT_LOGI("memif_buffer_free: %s", memif_strerror(err));
+ TRANSPORT_LOGE("memif_buffer_free: %s", memif_strerror(err));
}
c->rx_buf_num -= rx;
- TRANSPORT_LOGD("freed %d buffers. %u/%u alloc/free buffers", rx, rx,
- MAX_MEMIF_BUFS - rx);
} while (ret_val == MEMIF_ERR_NOBUF);
connector->io_service_.post(
@@ -410,12 +397,10 @@ error:
err = memif_refill_queue(c->conn, qid, rx, 0);
if (TRANSPORT_EXPECT_FALSE(err != MEMIF_ERR_SUCCESS)) {
- TRANSPORT_LOGI("memif_buffer_free: %s", memif_strerror(err));
+ TRANSPORT_LOGE("memif_buffer_free: %s", memif_strerror(err));
}
c->rx_buf_num -= rx;
- TRANSPORT_LOGD("freed %d buffers. %u/%u alloc/free buffers", rx,
- c->rx_buf_num, MAX_MEMIF_BUFS - c->rx_buf_num);
return 0;
}
@@ -430,9 +415,6 @@ void MemifConnector::close() {
if (memif_worker_ && memif_worker_->joinable()) {
memif_worker_->join();
- TRANSPORT_LOGD("Memif worker joined");
- } else {
- TRANSPORT_LOGD("Memif worker not joined");
}
}
}
@@ -467,7 +449,7 @@ int MemifConnector::doSend() {
if (TRANSPORT_EXPECT_FALSE(
(n = bufferAlloc(max, memif_connection_->tx_qid)) < 0)) {
- TRANSPORT_LOGI("Error allocating buffers.");
+ TRANSPORT_LOGE("Error allocating buffers.");
return -1;
}
@@ -487,8 +469,6 @@ int MemifConnector::doSend() {
memif_connection_->tx_bufs[i].len = uint32_t(offset);
- TRANSPORT_LOGD("Packet size : %zu", offset);
-
output_buffer_.pop_front();
}
diff --git a/libtransport/src/hicn/transport/core/name.cc b/libtransport/src/hicn/transport/core/name.cc
index 46ef989..85e2b85 100644
--- a/libtransport/src/hicn/transport/core/name.cc
+++ b/libtransport/src/hicn/transport/core/name.cc
@@ -116,9 +116,9 @@ std::string Name::toString() const {
return name_string;
}
-uint32_t Name::getHash32() const {
+uint32_t Name::getHash32(bool consider_suffix) const {
uint32_t hash;
- if (hicn_name_hash((hicn_name_t *)&name_, &hash) < 0) {
+ if (hicn_name_hash(&name_, &hash, consider_suffix) < 0) {
throw errors::RuntimeException("Error computing the hash of the name!");
}
return hash;
@@ -206,6 +206,17 @@ std::ostream &operator<<(std::ostream &os, const Name &name) {
return os;
}
+size_t hash<transport::core::Name>::operator()(
+ const transport::core::Name &name) const {
+ return name.getHash32(false);
+}
+
+size_t compare2<transport::core::Name>::operator()(
+ const transport::core::Name &name1,
+ const transport::core::Name &name2) const {
+ return name1.equals(name2, false);
+}
+
} // end namespace core
} // end namespace transport
diff --git a/libtransport/src/hicn/transport/core/name.h b/libtransport/src/hicn/transport/core/name.h
index 35625dd..ea72797 100644
--- a/libtransport/src/hicn/transport/core/name.h
+++ b/libtransport/src/hicn/transport/core/name.h
@@ -81,7 +81,7 @@ class Name {
bool equals(const Name &name, bool consider_segment = true) const;
- uint32_t getHash32() const;
+ uint32_t getHash32(bool consider_suffix = true) const;
void clear();
@@ -112,10 +112,27 @@ class Name {
std::ostream &operator<<(std::ostream &os, const Name &name);
+template <typename T>
+struct hash {};
+
+template <>
+struct hash<transport::core::Name> {
+ size_t operator()(const transport::core::Name &name) const;
+};
+
+template <typename T>
+struct compare2 {};
+
+template <>
+struct compare2<transport::core::Name> {
+ size_t operator()(const transport::core::Name &name1, const transport::core::Name &name2) const;
+};
+
} // end namespace core
} // end namespace transport
+
namespace std {
template <>
struct hash<transport::core::Name> {
diff --git a/libtransport/src/hicn/transport/core/packet.cc b/libtransport/src/hicn/transport/core/packet.cc
index 9542666..817f8de 100644
--- a/libtransport/src/hicn/transport/core/packet.cc
+++ b/libtransport/src/hicn/transport/core/packet.cc
@@ -230,7 +230,7 @@ Packet::Format Packet::getFormat() const {
return format_;
}
-const std::shared_ptr<utils::MemBuf> Packet::acquireMemBufReference() {
+const std::shared_ptr<utils::MemBuf> Packet::acquireMemBufReference() const {
return packet_;
}
diff --git a/libtransport/src/hicn/transport/core/packet.h b/libtransport/src/hicn/transport/core/packet.h
index 4ec9320..35c8606 100644
--- a/libtransport/src/hicn/transport/core/packet.h
+++ b/libtransport/src/hicn/transport/core/packet.h
@@ -99,7 +99,7 @@ class Packet : public std::enable_shared_from_this<Packet> {
std::size_t headerSize() const;
- const std::shared_ptr<utils::MemBuf> acquireMemBufReference();
+ const std::shared_ptr<utils::MemBuf> acquireMemBufReference() const;
virtual const Name &getName() const = 0;
diff --git a/libtransport/src/hicn/transport/core/portal.h b/libtransport/src/hicn/transport/core/portal.h
index 4f161e4..c6e11ad 100644
--- a/libtransport/src/hicn/transport/core/portal.h
+++ b/libtransport/src/hicn/transport/core/portal.h
@@ -658,9 +658,6 @@ class Portal {
consumer_callback_->onContentObject(std::move(_int),
std::move(content_object));
}
- } else {
- TRANSPORT_LOGD("No pending interests for current content (%s)",
- content_object->getName().toString().c_str());
}
}
diff --git a/libtransport/src/hicn/transport/core/prefix.cc b/libtransport/src/hicn/transport/core/prefix.cc
index 648c0a6..59898ab 100644
--- a/libtransport/src/hicn/transport/core/prefix.cc
+++ b/libtransport/src/hicn/transport/core/prefix.cc
@@ -29,6 +29,8 @@ extern "C" {
#include <memory>
#include <random>
+#include <openssl/rand.h>
+
namespace transport {
namespace core {
@@ -80,11 +82,11 @@ void Prefix::buildPrefix(std::string &prefix, uint16_t prefix_length,
int ret;
switch (family) {
case AF_INET:
- ret = inet_pton(AF_INET, prefix.c_str(), ip_prefix_.address.v4.buffer);
- break;
+ ret = inet_pton(AF_INET, prefix.c_str(), ip_prefix_.address.v4.buffer);
+ break;
case AF_INET6:
- ret = inet_pton(AF_INET6, prefix.c_str(), ip_prefix_.address.v6.buffer);
- break;
+ ret = inet_pton(AF_INET6, prefix.c_str(), ip_prefix_.address.v6.buffer);
+ break;
default:
throw errors::InvalidIpAddressException();
}
@@ -133,8 +135,7 @@ Prefix &Prefix::setAddressFamily(int address_family) {
}
std::string Prefix::getNetwork() const {
- if (!checkPrefixLengthAndAddressFamily(ip_prefix_.len,
- ip_prefix_.family)) {
+ if (!checkPrefixLengthAndAddressFamily(ip_prefix_.len, ip_prefix_.family)) {
throw errors::InvalidIpAddressException();
}
@@ -151,11 +152,123 @@ std::string Prefix::getNetwork() const {
return network;
}
+int Prefix::contains(const ip_address_t &content_name) const {
+ int res =
+ ip_address_cmp(&content_name, &(ip_prefix_.address), ip_prefix_.family);
+
+ if (ip_prefix_.len != (ip_prefix_.family == AF_INET6 ? IPV6_ADDR_LEN_BITS
+ : IPV4_ADDR_LEN_BITS)) {
+ const u8 *ip_prefix_buffer =
+ ip_address_get_buffer(&(ip_prefix_.address), ip_prefix_.family);
+ const u8 *content_name_buffer =
+ ip_address_get_buffer(&content_name, ip_prefix_.family);
+ uint8_t mask = 0xFF >> (ip_prefix_.len % 8);
+ mask = ~mask;
+
+ res += (ip_prefix_buffer[ip_prefix_.len] & mask) ==
+ (content_name_buffer[ip_prefix_.len] & mask);
+ }
+
+ return res;
+}
+
+int Prefix::contains(const core::Name &content_name) const {
+ return contains(content_name.toIpAddress().address);
+}
+
Name Prefix::getName() const {
std::string s(getNetwork());
return Name(s);
}
+/*
+ * Mask is used to apply the components to a content name that belong to this
+ * prefix
+ */
+Name Prefix::getName(const core::Name &mask, const core::Name &components,
+ const core::Name &content_name) const {
+ if (ip_prefix_.family != mask.getAddressFamily() ||
+ ip_prefix_.family != components.getAddressFamily() ||
+ ip_prefix_.family != content_name.getAddressFamily())
+ throw errors::RuntimeException(
+ "Prefix, mask, components and content name are not of the same address "
+ "family");
+
+ ip_address_t mask_ip = mask.toIpAddress().address;
+ ip_address_t component_ip = components.toIpAddress().address;
+ ip_address_t name_ip = content_name.toIpAddress().address;
+ const u8 *mask_ip_buffer = ip_address_get_buffer(&mask_ip, ip_prefix_.family);
+ const u8 *component_ip_buffer =
+ ip_address_get_buffer(&component_ip, ip_prefix_.family);
+ u8 *name_ip_buffer =
+ const_cast<u8 *>(ip_address_get_buffer(&name_ip, ip_prefix_.family));
+
+ int addr_len = ip_prefix_.family == AF_INET6 ? IPV6_ADDR_LEN : IPV4_ADDR_LEN;
+
+ for (int i = 0; i < addr_len; i++) {
+ if (mask_ip_buffer[i]) {
+ name_ip_buffer[i] = component_ip_buffer[i] & mask_ip_buffer[i];
+ }
+ }
+
+ if (this->contains(name_ip))
+ throw errors::RuntimeException("Mask overrides the prefix");
+ return Name(ip_prefix_.family, (uint8_t *)&name_ip);
+}
+
+Name Prefix::getRandomName() const {
+ ip_address_t name_ip = ip_prefix_.address;
+ u8 *name_ip_buffer =
+ const_cast<u8 *>(ip_address_get_buffer(&name_ip, ip_prefix_.family));
+
+ int addr_len =
+ (ip_prefix_.family == AF_INET6 ? IPV6_ADDR_LEN * 8 : IPV4_ADDR_LEN * 8) -
+ ip_prefix_.len;
+
+ size_t size = (size_t)ceil((float)addr_len / 8.0);
+ uint8_t buffer[size];
+
+ RAND_bytes(buffer, size);
+
+ int j = 0;
+ for (uint8_t i = (uint8_t)ceil((float)ip_prefix_.len / 8.0);
+ i < (ip_prefix_.family == AF_INET6 ? IPV6_ADDR_LEN : IPV4_ADDR_LEN);
+ i++) {
+ name_ip_buffer[i] = buffer[j];
+ j++;
+ }
+
+ return Name(ip_prefix_.family, (uint8_t *)&name_ip);
+}
+
+/*
+ * Map a name in a different name prefix to this name prefix
+ */
+Name Prefix::mapName(const core::Name &content_name) const {
+ if (ip_prefix_.family != content_name.getAddressFamily())
+ throw errors::RuntimeException(
+ "Prefix content name are not of the same address "
+ "family");
+
+ ip_address_t name_ip = content_name.toIpAddress().address;
+ const u8 *ip_prefix_buffer =
+ ip_address_get_buffer(&(ip_prefix_.address), ip_prefix_.family);
+ u8 *name_ip_buffer =
+ const_cast<u8 *>(ip_address_get_buffer(&name_ip, ip_prefix_.family));
+
+ memcpy(name_ip_buffer, ip_prefix_buffer, ip_prefix_.len / 8);
+
+ if (ip_prefix_.len != (ip_prefix_.family == AF_INET6 ? IPV6_ADDR_LEN_BITS
+ : IPV4_ADDR_LEN_BITS)) {
+ uint8_t mask = 0xFF >> (ip_prefix_.len % 8);
+ name_ip_buffer[ip_prefix_.len / 8 + 1] =
+ (name_ip_buffer[ip_prefix_.len / 8 + 1] & mask) |
+ (ip_prefix_buffer[ip_prefix_.len / 8 + 1] & ~mask);
+ }
+
+ return Name(ip_prefix_.family, (uint8_t *)&name_ip);
+}
+
Prefix &Prefix::setNetwork(std::string &network) {
if (!inet_pton(AF_INET6, network.c_str(), ip_prefix_.address.v6.buffer)) {
throw errors::RuntimeException("The network name is not valid.");
diff --git a/libtransport/src/hicn/transport/core/prefix.h b/libtransport/src/hicn/transport/core/prefix.h
index af7c705..47971ac 100644
--- a/libtransport/src/hicn/transport/core/prefix.h
+++ b/libtransport/src/hicn/transport/core/prefix.h
@@ -42,8 +42,19 @@ class Prefix {
std::string getNetwork() const;
+ int contains(const ip_address_t &content_name) const;
+
+ int contains(const core::Name &content_name) const;
+
Name getName() const;
+ Name getRandomName() const;
+
+ Name getName(const core::Name &mask, const core::Name &components,
+ const core::Name &content_name) const;
+
+ Name mapName(const core::Name &content_name) const;
+
Prefix &setNetwork(std::string &network);
int getAddressFamily();
diff --git a/libtransport/src/hicn/transport/interfaces/CMakeLists.txt b/libtransport/src/hicn/transport/interfaces/CMakeLists.txt
index 1f3c29b..88b83e9 100644
--- a/libtransport/src/hicn/transport/interfaces/CMakeLists.txt
+++ b/libtransport/src/hicn/transport/interfaces/CMakeLists.txt
@@ -17,6 +17,11 @@ list(APPEND HEADER_FILES
${CMAKE_CURRENT_SOURCE_DIR}/socket.h
${CMAKE_CURRENT_SOURCE_DIR}/socket_consumer.h
${CMAKE_CURRENT_SOURCE_DIR}/socket_producer.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/tls_socket_producer.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/tls_rtc_socket_producer.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/p2psecure_socket_producer.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/tls_socket_consumer.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/p2psecure_socket_consumer.h
${CMAKE_CURRENT_SOURCE_DIR}/rtc_socket_producer.h
${CMAKE_CURRENT_SOURCE_DIR}/publication_options.h
${CMAKE_CURRENT_SOURCE_DIR}/socket_options_default_values.h
@@ -26,11 +31,29 @@ list(APPEND HEADER_FILES
)
list(APPEND SOURCE_FILES
- ${CMAKE_CURRENT_SOURCE_DIR}/rtc_socket_producer.cc
${CMAKE_CURRENT_SOURCE_DIR}/socket_producer.cc
+ ${CMAKE_CURRENT_SOURCE_DIR}/rtc_socket_producer.cc
${CMAKE_CURRENT_SOURCE_DIR}/socket_consumer.cc
${CMAKE_CURRENT_SOURCE_DIR}/callbacks.cc
)
+if (${OPENSSL_VERSION} VERSION_EQUAL "1.1.1a" OR ${OPENSSL_VERSION} VERSION_GREATER "1.1.1a")
+ list(APPEND SOURCE_FILES
+ ${CMAKE_CURRENT_SOURCE_DIR}/tls_socket_producer.cc
+ ${CMAKE_CURRENT_SOURCE_DIR}/tls_rtc_socket_producer.cc
+ ${CMAKE_CURRENT_SOURCE_DIR}/p2psecure_socket_producer.cc
+ ${CMAKE_CURRENT_SOURCE_DIR}/tls_socket_consumer.cc
+ ${CMAKE_CURRENT_SOURCE_DIR}/p2psecure_socket_consumer.cc
+ )
+
+ list(APPEND HEADER_FILES
+ ${CMAKE_CURRENT_SOURCE_DIR}/tls_socket_producer.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/tls_rtc_socket_producer.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/p2psecure_socket_producer.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/tls_socket_consumer.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/p2psecure_socket_consumer.h
+ )
+endif()
+
set(SOURCE_FILES ${SOURCE_FILES} PARENT_SCOPE)
set(HEADER_FILES ${HEADER_FILES} PARENT_SCOPE)
diff --git a/libtransport/src/hicn/transport/interfaces/callbacks.h b/libtransport/src/hicn/transport/interfaces/callbacks.h
index 6de48d1..9d3d579 100644
--- a/libtransport/src/hicn/transport/interfaces/callbacks.h
+++ b/libtransport/src/hicn/transport/interfaces/callbacks.h
@@ -122,4 +122,4 @@ extern std::nullptr_t VOID_HANDLER;
} // namespace interface
-} // namespace transport \ No newline at end of file
+} // namespace transport
diff --git a/libtransport/src/hicn/transport/interfaces/p2psecure_socket_consumer.cc b/libtransport/src/hicn/transport/interfaces/p2psecure_socket_consumer.cc
new file mode 100644
index 0000000..ec966e5
--- /dev/null
+++ b/libtransport/src/hicn/transport/interfaces/p2psecure_socket_consumer.cc
@@ -0,0 +1,382 @@
+#include <hicn/transport/interfaces/p2psecure_socket_consumer.h>
+#include <openssl/bio.h>
+#include <openssl/ssl.h>
+#include <openssl/tls1.h>
+
+#include <random>
+
+namespace transport {
+
+namespace interface {
+
+void P2PSecureConsumerSocket::setInterestPayload(
+ ConsumerSocket &c, const core::Interest &interest) {
+ Interest &int2 = const_cast<Interest &>(interest);
+ random_suffix_ = int2.getName().getSuffix();
+
+ if (payload_ != NULL) int2.appendPayload(std::move(payload_));
+}
+
+// implement void readBufferAvailable(), size_t maxBufferSize() const override,
+// void readError(), void readSuccess(). getReadBuffer() and readDataAvailable()
+// must be implemented even if empty.
+
+/* Return the number of read bytes in the return param */
+int readOld(BIO *b, char *buf, int size) {
+ if (size < 0) return size;
+
+ P2PSecureConsumerSocket *socket;
+ socket = (P2PSecureConsumerSocket *)BIO_get_data(b);
+
+ std::unique_lock<std::mutex> lck(socket->mtx_);
+
+ if (!socket->something_to_read_) {
+ if (!socket->transport_protocol_->isRunning()) {
+ socket->network_name_.setSuffix(socket->random_suffix_);
+ socket->ConsumerSocket::asyncConsume(socket->network_name_);
+ }
+ if (!socket->something_to_read_) socket->cv_.wait(lck);
+ }
+
+ size_t size_to_read, read;
+ size_t chain_size = socket->head_->length();
+ if (socket->head_->isChained())
+ chain_size = socket->head_->computeChainDataLength();
+
+ if (chain_size > (size_t)size) {
+ read = size_to_read = (size_t)size;
+ } else {
+ read = size_to_read = chain_size;
+ socket->something_to_read_ = false;
+ }
+
+ while (size_to_read) {
+ if (socket->head_->length() < size_to_read) {
+ std::memcpy(buf, socket->head_->data(), socket->head_->length());
+ size_to_read -= socket->head_->length();
+ buf += socket->head_->length();
+ socket->head_ = socket->head_->pop();
+ } else {
+ std::memcpy(buf, socket->head_->data(), size_to_read);
+ socket->head_->trimStart(size_to_read);
+ size_to_read = 0;
+ }
+ }
+
+ return read;
+}
+
+/* Return the number of read bytes in readbytes */
+int read(BIO *b, char *buf, size_t size, size_t *readbytes) {
+ int ret;
+
+ if (size > INT_MAX) size = INT_MAX;
+
+ ret = transport::interface::readOld(b, buf, (int)size);
+
+ if (ret <= 0) {
+ *readbytes = 0;
+ return ret;
+ }
+
+ *readbytes = (size_t)ret;
+
+ return 1;
+}
+
+/* Return the number of written bytes in the return param */
+int writeOld(BIO *b, const char *buf, int num) {
+ P2PSecureConsumerSocket *socket;
+ socket = (P2PSecureConsumerSocket *)BIO_get_data(b);
+
+ socket->payload_ = utils::MemBuf::copyBuffer(buf, num);
+ socket->ConsumerSocket::setSocketOption(
+ ConsumerCallbacksOptions::INTEREST_OUTPUT,
+ (ConsumerInterestCallback)std::bind(
+ &P2PSecureConsumerSocket::setInterestPayload, socket,
+ std::placeholders::_1, std::placeholders::_2));
+
+ return num;
+}
+
+/* Return the number of written bytes in written */
+int write(BIO *b, const char *buf, size_t size, size_t *written) {
+ int ret;
+
+ if (size > INT_MAX) size = INT_MAX;
+
+ ret = transport::interface::writeOld(b, buf, (int)size);
+
+ if (ret <= 0) {
+ *written = 0;
+ return ret;
+ }
+
+ *written = (size_t)ret;
+
+ return 1;
+}
+
+long ctrl(BIO *b, int cmd, long num, void *ptr) { return 1; }
+
+int P2PSecureConsumerSocket::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) {
+ if (ext_type == 100) {
+ *out = (unsigned char *)malloc(4);
+ *(uint32_t *)*out = 10;
+ *outlen = 4;
+ }
+ return 1;
+}
+
+void P2PSecureConsumerSocket::freeHicnKeyIdCb(SSL *s, unsigned int ext_type,
+ unsigned int context,
+ const unsigned char *out,
+ void *add_arg) {
+ free(const_cast<unsigned char *>(out));
+}
+
+int P2PSecureConsumerSocket::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) {
+ P2PSecureConsumerSocket *socket =
+ reinterpret_cast<P2PSecureConsumerSocket *>(add_arg);
+ if (ext_type == 100) {
+ memcpy(&socket->secure_prefix_, in, sizeof(ip_prefix_t));
+ }
+ return 1;
+}
+
+P2PSecureConsumerSocket::P2PSecureConsumerSocket(int handshake_protocol, int transport_protocol)
+ : ConsumerSocket(handshake_protocol),
+ name_(),
+ tls_consumer_(),
+ buf_pool_(),
+ decrypted_content_(),
+ payload_(),
+ head_(),
+ something_to_read_(false),
+ content_downloaded_(false),
+ random_suffix_(),
+ secure_prefix_(),
+ producer_namespace_(),
+ read_callback_decrypted_(),
+ mtx_(),
+ cv_(),
+ protocol_(transport_protocol) {
+ /* Create the (d)TLS state */
+ const SSL_METHOD *meth = TLS_client_method();
+ ctx_ = SSL_CTX_new(meth);
+
+ int result =
+ SSL_CTX_set_ciphersuites(ctx_,
+ "TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_"
+ "SHA256:TLS_AES_128_GCM_SHA256");
+ if (result != 1) {
+ throw errors::RuntimeException(
+ "Unable to set cipher list on TLS subsystem. Aborting.");
+ }
+
+ SSL_CTX_set_min_proto_version(ctx_, TLS1_3_VERSION);
+ SSL_CTX_set_max_proto_version(ctx_, TLS1_3_VERSION);
+ SSL_CTX_set_verify(ctx_, SSL_VERIFY_NONE, NULL);
+ SSL_CTX_set_ssl_version(ctx_, meth);
+
+ result = SSL_CTX_add_custom_ext(
+ ctx_, 100, SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS,
+ P2PSecureConsumerSocket::addHicnKeyIdCb,
+ P2PSecureConsumerSocket::freeHicnKeyIdCb, NULL,
+ P2PSecureConsumerSocket::parseHicnKeyIdCb, this);
+
+ ssl_ = SSL_new(ctx_);
+
+ bio_meth_ = BIO_meth_new(BIO_TYPE_CONNECT, "secure consumer socket");
+ BIO_meth_set_read(bio_meth_, transport::interface::readOld);
+ BIO_meth_set_write(bio_meth_, transport::interface::writeOld);
+ BIO_meth_set_ctrl(bio_meth_, transport::interface::ctrl);
+ BIO *bio = BIO_new(bio_meth_);
+ BIO_set_init(bio, 1);
+ BIO_set_data(bio, this);
+ SSL_set_bio(ssl_, bio, bio);
+
+ ConsumerSocket::getSocketOption(MAX_WINDOW_SIZE, old_max_win_);
+ ConsumerSocket::setSocketOption(MAX_WINDOW_SIZE, (double)1.0);
+
+ ConsumerSocket::getSocketOption(CURRENT_WINDOW_SIZE, old_current_win_);
+ ConsumerSocket::setSocketOption(CURRENT_WINDOW_SIZE, (double)1.0);
+
+ std::default_random_engine generator;
+ std::uniform_int_distribution<int> distribution(
+ 1, std::numeric_limits<uint32_t>::max());
+ random_suffix_ = 0;
+
+ this->ConsumerSocket::setSocketOption(ConsumerCallbacksOptions::READ_CALLBACK,
+ this);
+};
+
+P2PSecureConsumerSocket::~P2PSecureConsumerSocket() {
+ BIO_meth_free(bio_meth_);
+ SSL_shutdown(ssl_);
+}
+
+int P2PSecureConsumerSocket::consume(const Name &name) {
+ if (transport_protocol_->isRunning()) {
+ return CONSUMER_BUSY;
+ }
+
+ if ((SSL_in_before(this->ssl_) || SSL_in_init(this->ssl_))) {
+ ConsumerSocket::setSocketOption(MAX_WINDOW_SIZE, (double)1.0);
+ network_name_ = producer_namespace_.getRandomName();
+ network_name_.setSuffix(0);
+ int result = SSL_connect(this->ssl_);
+ ConsumerSocket::setSocketOption(MAX_WINDOW_SIZE, old_max_win_);
+ ConsumerSocket::setSocketOption(CURRENT_WINDOW_SIZE, old_current_win_);
+ if (result != 1)
+ throw errors::RuntimeException("Unable to perform client handshake");
+ }
+ std::shared_ptr<Name> prefix_name = std::make_shared<Name>(
+ secure_prefix_.family,
+ ip_address_get_buffer(&(secure_prefix_.address), secure_prefix_.family));
+ std::shared_ptr<Prefix> prefix =
+ std::make_shared<Prefix>(*prefix_name, secure_prefix_.len);
+ TLSConsumerSocket tls_consumer(this->protocol_, this->ssl_);
+
+ ConsumerTimerCallback *stats_summary_callback = nullptr;
+ this->getSocketOption(ConsumerCallbacksOptions::STATS_SUMMARY,
+ &stats_summary_callback);
+
+ uint32_t lifetime;
+ this->getSocketOption(GeneralTransportOptions::INTEREST_LIFETIME, lifetime);
+ tls_consumer.setSocketOption(GeneralTransportOptions::INTEREST_LIFETIME,
+ lifetime);
+ tls_consumer.setSocketOption(ConsumerCallbacksOptions::READ_CALLBACK,
+ read_callback_decrypted_);
+ tls_consumer.setSocketOption(ConsumerCallbacksOptions::STATS_SUMMARY,
+ *stats_summary_callback);
+ tls_consumer.setSocketOption(GeneralTransportOptions::STATS_INTERVAL,
+ this->timer_interval_milliseconds_);
+ tls_consumer.setSocketOption(MAX_WINDOW_SIZE, old_max_win_);
+ tls_consumer.setSocketOption(CURRENT_WINDOW_SIZE, old_current_win_);
+ tls_consumer.connect();
+
+ if (payload_ != NULL)
+ return tls_consumer.consume((prefix->mapName(name)), std::move(payload_));
+ else
+ return tls_consumer.consume((prefix->mapName(name)));
+}
+
+int P2PSecureConsumerSocket::asyncConsume(const Name &name) {
+ if ((SSL_in_before(this->ssl_) || SSL_in_init(this->ssl_))) {
+ ConsumerSocket::setSocketOption(CURRENT_WINDOW_SIZE, (double)1.0);
+ ConsumerSocket::setSocketOption(MAX_WINDOW_SIZE, (double)1.0);
+ network_name_ = producer_namespace_.getRandomName();
+ network_name_.setSuffix(0);
+ TRANSPORT_LOGD("Start handshake at %s", network_name_.toString().c_str());
+ interface::ConsumerSocket::ReadCallback *on_payload = VOID_HANDLER;
+ this->getSocketOption(ConsumerCallbacksOptions::READ_CALLBACK, &on_payload);
+ int result = SSL_connect(this->ssl_);
+ ConsumerSocket::setSocketOption(MAX_WINDOW_SIZE, old_max_win_);
+ ConsumerSocket::setSocketOption(CURRENT_WINDOW_SIZE, old_current_win_);
+ if (result != 1)
+ throw errors::RuntimeException("Unable to perform client handshake");
+ TRANSPORT_LOGD("Handshake performed!");
+ }
+
+ std::shared_ptr<Name> prefix_name = std::make_shared<Name>(
+ secure_prefix_.family,
+ ip_address_get_buffer(&(secure_prefix_.address), secure_prefix_.family));
+ std::shared_ptr<Prefix> prefix =
+ std::make_shared<Prefix>(*prefix_name, secure_prefix_.len);
+ tls_consumer_ =
+ std::make_shared<TLSConsumerSocket>(this->protocol_, this->ssl_);
+
+ ConsumerTimerCallback *stats_summary_callback = nullptr;
+ this->getSocketOption(ConsumerCallbacksOptions::STATS_SUMMARY,
+ &stats_summary_callback);
+
+ uint32_t lifetime;
+ this->getSocketOption(GeneralTransportOptions::INTEREST_LIFETIME, lifetime);
+ tls_consumer_->setSocketOption(GeneralTransportOptions::INTEREST_LIFETIME,
+ lifetime);
+ tls_consumer_->setSocketOption(ConsumerCallbacksOptions::READ_CALLBACK,
+ read_callback_decrypted_);
+ tls_consumer_->setSocketOption(ConsumerCallbacksOptions::STATS_SUMMARY,
+ *stats_summary_callback);
+ tls_consumer_->setSocketOption(GeneralTransportOptions::STATS_INTERVAL,
+ this->timer_interval_milliseconds_);
+ tls_consumer_->setSocketOption(MAX_WINDOW_SIZE, old_max_win_);
+ tls_consumer_->setSocketOption(CURRENT_WINDOW_SIZE, old_current_win_);
+ tls_consumer_->connect();
+
+ if (payload_ != NULL)
+ return tls_consumer_->asyncConsume((prefix->mapName(name)),
+ std::move(payload_));
+ else
+ return tls_consumer_->asyncConsume((prefix->mapName(name)));
+}
+
+void P2PSecureConsumerSocket::registerPrefix(const Prefix &producer_namespace) {
+ producer_namespace_ = producer_namespace;
+}
+
+int P2PSecureConsumerSocket::setSocketOption(
+ int socket_option_key, ConsumerSocket::ReadCallback *socket_option_value) {
+ return rescheduleOnIOService(
+ socket_option_key, socket_option_value,
+ [this](int socket_option_key,
+ ConsumerSocket::ReadCallback *socket_option_value) -> int {
+ switch (socket_option_key) {
+ case ConsumerCallbacksOptions::READ_CALLBACK:
+ read_callback_decrypted_ = socket_option_value;
+ break;
+ default:
+ return SOCKET_OPTION_NOT_SET;
+ }
+
+ return SOCKET_OPTION_SET;
+ });
+}
+
+void P2PSecureConsumerSocket::getReadBuffer(uint8_t **application_buffer,
+ size_t *max_length){};
+
+void P2PSecureConsumerSocket::readDataAvailable(size_t length) noexcept {};
+
+size_t P2PSecureConsumerSocket::maxBufferSize() const {
+ return SSL3_RT_MAX_PLAIN_LENGTH;
+}
+
+void P2PSecureConsumerSocket::readBufferAvailable(
+ std::unique_ptr<utils::MemBuf> &&buffer) noexcept {
+ std::unique_lock<std::mutex> lck(this->mtx_);
+ if (head_) {
+ head_->prependChain(std::move(buffer));
+ } else {
+ head_ = std::move(buffer);
+ }
+
+ something_to_read_ = true;
+ cv_.notify_one();
+}
+
+void P2PSecureConsumerSocket::readError(const std::error_code ec) noexcept {};
+
+void P2PSecureConsumerSocket::readSuccess(std::size_t total_size) noexcept {
+ std::unique_lock<std::mutex> lck(this->mtx_);
+ content_downloaded_ = true;
+ something_to_read_ = true;
+ cv_.notify_one();
+}
+
+bool P2PSecureConsumerSocket::isBufferMovable() noexcept { return true; }
+
+} // namespace interface
+
+} // namespace transport
diff --git a/libtransport/src/hicn/transport/interfaces/p2psecure_socket_consumer.h b/libtransport/src/hicn/transport/interfaces/p2psecure_socket_consumer.h
new file mode 100644
index 0000000..ff867f0
--- /dev/null
+++ b/libtransport/src/hicn/transport/interfaces/p2psecure_socket_consumer.h
@@ -0,0 +1,147 @@
+/*
+ * 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 <hicn/transport/interfaces/socket_consumer.h>
+#include <hicn/transport/interfaces/tls_socket_consumer.h>
+#include <openssl/bio.h>
+#include <openssl/ssl.h>
+
+namespace transport {
+
+namespace interface {
+
+class P2PSecureConsumerSocket : public ConsumerSocket,
+ public ConsumerSocket::ReadCallback {
+ /* Return the number of read bytes in readbytes */
+ friend int read(BIO *b, char *buf, size_t size, size_t *readbytes);
+
+ /* Return the number of read bytes in the return param */
+ friend int readOld(BIO *h, char *buf, int size);
+
+ /* Return the number of written bytes in written */
+ friend int write(BIO *b, const char *buf, size_t size, size_t *written);
+
+ /* Return the number of written bytes in the return param */
+ friend int writeOld(BIO *h, const char *buf, int num);
+
+ friend long ctrl(BIO *b, int cmd, long num, void *ptr);
+
+ public:
+ explicit P2PSecureConsumerSocket(int handshake_protocol, int transport_protocol);
+
+ ~P2PSecureConsumerSocket();
+
+ int consume(const Name &name) override;
+
+ int asyncConsume(const Name &name) override;
+
+ void registerPrefix(const Prefix &producer_namespace);
+
+ int setSocketOption(
+ int socket_option_key,
+ ConsumerSocket::ReadCallback *socket_option_value) override;
+
+ using ConsumerSocket::getSocketOption;
+ using ConsumerSocket::setSocketOption;
+
+ protected:
+ /* Callback invoked once an interest has been received and its payload
+ * decrypted */
+ ConsumerInterestCallback on_interest_input_decrypted_;
+ ConsumerInterestCallback on_interest_process_decrypted_;
+
+ private:
+ Name name_;
+ std::shared_ptr<TLSConsumerSocket> tls_consumer_;
+
+ /* SSL handle */
+ SSL *ssl_;
+ SSL_CTX *ctx_;
+ BIO_METHOD *bio_meth_;
+
+ /* Chain of MemBuf to be used as a temporary buffer to pass descypted data
+ * from the underlying layer to the application */
+ utils::ObjectPool<utils::MemBuf> buf_pool_;
+ std::unique_ptr<utils::MemBuf> decrypted_content_;
+
+ /* Chain of MemBuf holding the payload to be written into interest or data */
+ std::unique_ptr<utils::MemBuf> payload_;
+
+ /* Chain of MemBuf holding the data retrieved from the underlying layer */
+ std::unique_ptr<utils::MemBuf> head_;
+
+ bool something_to_read_;
+
+ bool content_downloaded_;
+
+ double old_max_win_;
+
+ double old_current_win_;
+
+ uint32_t random_suffix_;
+
+ ip_prefix_t secure_prefix_;
+
+ Prefix producer_namespace_;
+
+ ConsumerSocket::ReadCallback *read_callback_decrypted_;
+
+ std::mutex mtx_;
+
+ /* Condition variable for the wait */
+ std::condition_variable cv_;
+
+ int protocol_;
+
+ void setInterestPayload(ConsumerSocket &c, const core::Interest &interest);
+ void processPayload(ConsumerSocket &c, std::size_t bytes_transferred,
+ const std::error_code &ec);
+
+ 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);
+
+ virtual void getReadBuffer(uint8_t **application_buffer,
+ size_t *max_length) override;
+
+ virtual void readDataAvailable(size_t length) noexcept override;
+
+ virtual size_t maxBufferSize() const override;
+
+ virtual void readBufferAvailable(
+ std::unique_ptr<utils::MemBuf> &&buffer) noexcept override;
+
+ virtual void readError(const std::error_code ec) noexcept override;
+
+ virtual void readSuccess(std::size_t total_size) noexcept override;
+ virtual bool isBufferMovable() noexcept override;
+
+ int download_content(const Name &name);
+};
+
+} // namespace interface
+
+} // end namespace transport
diff --git a/libtransport/src/hicn/transport/interfaces/p2psecure_socket_producer.cc b/libtransport/src/hicn/transport/interfaces/p2psecure_socket_producer.cc
new file mode 100644
index 0000000..8850bde
--- /dev/null
+++ b/libtransport/src/hicn/transport/interfaces/p2psecure_socket_producer.cc
@@ -0,0 +1,380 @@
+#include <hicn/transport/core/interest.h>
+#include <hicn/transport/interfaces/p2psecure_socket_producer.h>
+#include <hicn/transport/interfaces/tls_rtc_socket_producer.h>
+#include <hicn/transport/interfaces/tls_socket_producer.h>
+
+#include <openssl/bio.h>
+#include <openssl/rand.h>
+#include <openssl/ssl.h>
+
+namespace transport {
+
+namespace interface {
+
+/* Workaround to prevent content with expiry time equal to 0 to be lost when
+ * pushed in the forwarder */
+#define HICN_HANDSHAKE_CONTENT_EXPIRY_TIME 100;
+
+P2PSecureProducerSocket::P2PSecureProducerSocket()
+ : ProducerSocket(),
+ mtx_(),
+ cv_(),
+ map_secure_producers(),
+ map_secure_rtc_producers(),
+ list_secure_producers() {}
+
+P2PSecureProducerSocket::P2PSecureProducerSocket(
+ bool rtc, const std::shared_ptr<utils::Identity> &identity)
+ : ProducerSocket(),
+ rtc_(rtc),
+ mtx_(),
+ cv_(),
+ map_secure_producers(),
+ map_secure_rtc_producers(),
+ list_secure_producers() {
+ /*
+ * Setup SSL context (identity and parameter to use TLS 1.3)
+ */
+ der_cert_ = parcKeyStore_GetDEREncodedCertificate(
+ (identity->getSigner()->getKeyStore()));
+ der_prk_ = parcKeyStore_GetDEREncodedPrivateKey(
+ (identity->getSigner()->getKeyStore()));
+
+ int cert_size = parcBuffer_Limit(der_cert_);
+ int prk_size = parcBuffer_Limit(der_prk_);
+ const uint8_t *cert =
+ reinterpret_cast<uint8_t *>(parcBuffer_Overlay(der_cert_, cert_size));
+ const uint8_t *prk =
+ reinterpret_cast<uint8_t *>(parcBuffer_Overlay(der_prk_, prk_size));
+ cert_509_ = d2i_X509(NULL, &cert, cert_size);
+ pkey_rsa_ = d2i_AutoPrivateKey(NULL, &prk, prk_size);
+
+ /*
+ * Set the callback so that when an interest is received we catch it and we
+ * decrypt the payload before passing it to the application.
+ */
+ ProducerSocket::setSocketOption(
+ ProducerCallbacksOptions::INTEREST_INPUT,
+ (ProducerInterestCallback)std::bind(
+ &P2PSecureProducerSocket::onInterestCallback, this,
+ std::placeholders::_1, std::placeholders::_2));
+}
+
+P2PSecureProducerSocket::~P2PSecureProducerSocket() {
+ if (der_cert_) parcBuffer_Release(&der_cert_);
+ if (der_prk_) parcBuffer_Release(&der_prk_);
+}
+
+void P2PSecureProducerSocket::onInterestCallback(ProducerSocket &p,
+ Interest &interest) {
+ std::unique_lock<std::mutex> lck(mtx_);
+
+ TRANSPORT_LOGD("Start handshake at %s", interest.getName().toString().c_str());
+ if (!rtc_) {
+ auto it = map_secure_producers.find(interest.getName());
+ if (it != map_secure_producers.end()) return;
+ TLSProducerSocket *tls_producer =
+ new TLSProducerSocket(this, interest.getName());
+ tls_producer->on_content_produced_application_ =
+ this->on_content_produced_application_;
+ tls_producer->setSocketOption(CONTENT_OBJECT_EXPIRY_TIME,
+ this->content_object_expiry_time_);
+ tls_producer->setSocketOption(SIGNER, this->signer_);
+ tls_producer->setSocketOption(MAKE_MANIFEST, this->making_manifest_);
+ tls_producer->setSocketOption(DATA_PACKET_SIZE,
+ (uint32_t)(this->data_packet_size_));
+ tls_producer->output_buffer_.setLimit(this->output_buffer_.getLimit());
+ map_secure_producers.insert(
+ {interest.getName(), std::unique_ptr<TLSProducerSocket>(tls_producer)});
+ tls_producer->onInterest(*tls_producer, interest);
+ tls_producer->async_accept();
+ } else {
+ auto it = map_secure_rtc_producers.find(interest.getName());
+ if (it != map_secure_rtc_producers.end()) return;
+ TLSRTCProducerSocket *tls_producer =
+ new TLSRTCProducerSocket(this, interest.getName());
+ tls_producer->on_content_produced_application_ =
+ this->on_content_produced_application_;
+ tls_producer->setSocketOption(CONTENT_OBJECT_EXPIRY_TIME,
+ this->content_object_expiry_time_);
+ tls_producer->setSocketOption(SIGNER, this->signer_);
+ tls_producer->setSocketOption(MAKE_MANIFEST, this->making_manifest_);
+ tls_producer->setSocketOption(DATA_PACKET_SIZE,
+ (uint32_t)(this->data_packet_size_));
+ tls_producer->output_buffer_.setLimit(this->output_buffer_.getLimit());
+ map_secure_rtc_producers.insert(
+ {interest.getName(),
+ std::unique_ptr<TLSRTCProducerSocket>(tls_producer)});
+ tls_producer->onInterest(*tls_producer, interest);
+ tls_producer->async_accept();
+ }
+}
+
+void P2PSecureProducerSocket::produce(const uint8_t *buffer,
+ size_t buffer_size) {
+ if (!rtc_) {
+ throw errors::RuntimeException(
+ "RTC must be the transport protocol to start the production of current "
+ "data. Aborting.");
+ }
+
+ std::unique_lock<std::mutex> lck(mtx_);
+ if (list_secure_rtc_producers.empty()) cv_.wait(lck);
+
+ for (auto it = list_secure_rtc_producers.cbegin();
+ it != list_secure_rtc_producers.cend(); it++) {
+ (*it)->produce(utils::MemBuf::copyBuffer(buffer, buffer_size));
+ }
+}
+
+uint32_t P2PSecureProducerSocket::produce(
+ Name content_name, std::unique_ptr<utils::MemBuf> &&buffer, bool is_last,
+ uint32_t start_offset) {
+ if (rtc_) {
+ throw errors::RuntimeException(
+ "RTC transport protocol is not compatible with the production of "
+ "current data. Aborting.");
+ }
+
+ std::unique_lock<std::mutex> lck(mtx_);
+ uint32_t segments = 0;
+ if (list_secure_producers.empty()) cv_.wait(lck);
+
+ for (auto it = list_secure_producers.cbegin();
+ it != list_secure_producers.cend(); it++)
+ segments +=
+ (*it)->produce(content_name, buffer->clone(), is_last, start_offset);
+ return segments;
+}
+
+uint32_t P2PSecureProducerSocket::produce(Name content_name,
+ const uint8_t *buffer,
+ size_t buffer_size, bool is_last,
+ uint32_t start_offset) {
+ if (rtc_) {
+ throw errors::RuntimeException(
+ "RTC transport protocol is not compatible with the production of "
+ "current data. Aborting.");
+ }
+
+ std::unique_lock<std::mutex> lck(mtx_);
+ uint32_t segments = 0;
+ if (list_secure_producers.empty()) cv_.wait(lck);
+
+ for (auto it = list_secure_producers.cbegin();
+ it != list_secure_producers.cend(); it++)
+ segments += (*it)->produce(content_name, buffer, buffer_size, is_last,
+ start_offset);
+ return segments;
+}
+
+void P2PSecureProducerSocket::asyncProduce(const Name &content_name,
+ const uint8_t *buf,
+ size_t buffer_size, bool is_last,
+ uint32_t *start_offset) {
+ if (rtc_) {
+ throw errors::RuntimeException(
+ "RTC transport protocol is not compatible with the production of "
+ "current data. Aborting.");
+ }
+
+ std::unique_lock<std::mutex> lck(mtx_);
+ if (list_secure_producers.empty()) cv_.wait(lck);
+
+ for (auto it = list_secure_producers.cbegin();
+ it != list_secure_producers.cend(); it++) {
+ (*it)->asyncProduce(content_name, buf, buffer_size, is_last, start_offset);
+ }
+}
+
+void P2PSecureProducerSocket::asyncProduce(
+ Name content_name, std::unique_ptr<utils::MemBuf> &&buffer, bool is_last,
+ uint32_t offset, uint32_t **last_segment) {
+ if (rtc_) {
+ throw errors::RuntimeException(
+ "RTC transport protocol is not compatible with the production of "
+ "current data. Aborting.");
+ }
+
+ std::unique_lock<std::mutex> lck(mtx_);
+ if (list_secure_producers.empty()) cv_.wait(lck);
+
+ for (auto it = list_secure_producers.cbegin();
+ it != list_secure_producers.cend(); it++) {
+ (*it)->asyncProduce(content_name, buffer->clone(), is_last, offset,
+ last_segment);
+ }
+}
+
+// Socket Option Redefinition to avoid name hiding
+
+int P2PSecureProducerSocket::setSocketOption(
+ int socket_option_key, ProducerInterestCallback socket_option_value) {
+ if (!list_secure_producers.empty()) {
+ for (auto it = list_secure_producers.cbegin();
+ it != list_secure_producers.cend(); it++)
+ (*it)->setSocketOption(socket_option_key, socket_option_value);
+ }
+
+ switch (socket_option_key) {
+ case ProducerCallbacksOptions::INTEREST_INPUT:
+ on_interest_input_decrypted_ = socket_option_value;
+ return SOCKET_OPTION_SET;
+
+ case ProducerCallbacksOptions::INTEREST_DROP:
+ on_interest_dropped_input_buffer_ = socket_option_value;
+ return SOCKET_OPTION_SET;
+
+ case ProducerCallbacksOptions::INTEREST_PASS:
+ on_interest_inserted_input_buffer_ = socket_option_value;
+ return SOCKET_OPTION_SET;
+
+ case ProducerCallbacksOptions::CACHE_HIT:
+ on_interest_satisfied_output_buffer_ = socket_option_value;
+ return SOCKET_OPTION_SET;
+
+ case ProducerCallbacksOptions::CACHE_MISS:
+ on_interest_process_decrypted_ = socket_option_value;
+ return SOCKET_OPTION_SET;
+
+ default:
+ return SOCKET_OPTION_NOT_SET;
+ }
+}
+
+int P2PSecureProducerSocket::setSocketOption(
+ int socket_option_key,
+ const std::shared_ptr<utils::Signer> &socket_option_value) {
+ if (!list_secure_producers.empty())
+ for (auto it = list_secure_producers.cbegin();
+ it != list_secure_producers.cend(); it++)
+ (*it)->setSocketOption(socket_option_key, socket_option_value);
+
+ switch (socket_option_key) {
+ case GeneralTransportOptions::SIGNER: {
+ signer_.reset();
+ signer_ = socket_option_value;
+
+ return SOCKET_OPTION_SET;
+ }
+ default:
+ return SOCKET_OPTION_NOT_SET;
+ }
+}
+
+int P2PSecureProducerSocket::setSocketOption(int socket_option_key,
+ uint32_t socket_option_value) {
+ if (!list_secure_producers.empty()) {
+ for (auto it = list_secure_producers.cbegin();
+ it != list_secure_producers.cend(); it++)
+ (*it)->setSocketOption(socket_option_key, socket_option_value);
+ }
+ switch (socket_option_key) {
+ case GeneralTransportOptions::CONTENT_OBJECT_EXPIRY_TIME:
+ content_object_expiry_time_ =
+ socket_option_value; // HICN_HANDSHAKE_CONTENT_EXPIRY_TIME;
+ return SOCKET_OPTION_SET;
+ }
+ return ProducerSocket::setSocketOption(socket_option_key,
+ socket_option_value);
+}
+
+int P2PSecureProducerSocket::setSocketOption(int socket_option_key,
+ bool socket_option_value) {
+ if (!list_secure_producers.empty())
+ for (auto it = list_secure_producers.cbegin();
+ it != list_secure_producers.cend(); it++)
+ (*it)->setSocketOption(socket_option_key, socket_option_value);
+
+ return ProducerSocket::setSocketOption(socket_option_key,
+ socket_option_value);
+}
+
+int P2PSecureProducerSocket::setSocketOption(int socket_option_key,
+ Name *socket_option_value) {
+ if (!list_secure_producers.empty())
+ for (auto it = list_secure_producers.cbegin();
+ it != list_secure_producers.cend(); it++)
+ (*it)->setSocketOption(socket_option_key, socket_option_value);
+
+ return ProducerSocket::setSocketOption(socket_option_key,
+ socket_option_value);
+}
+
+int P2PSecureProducerSocket::setSocketOption(
+ int socket_option_key, std::list<Prefix> socket_option_value) {
+ if (!list_secure_producers.empty())
+ for (auto it = list_secure_producers.cbegin();
+ it != list_secure_producers.cend(); it++)
+ (*it)->setSocketOption(socket_option_key, socket_option_value);
+
+ return ProducerSocket::setSocketOption(socket_option_key,
+ socket_option_value);
+}
+
+int P2PSecureProducerSocket::setSocketOption(
+ int socket_option_key, ProducerContentObjectCallback socket_option_value) {
+ if (!list_secure_producers.empty())
+ for (auto it = list_secure_producers.cbegin();
+ it != list_secure_producers.cend(); it++)
+ (*it)->setSocketOption(socket_option_key, socket_option_value);
+
+ return ProducerSocket::setSocketOption(socket_option_key,
+ socket_option_value);
+}
+
+int P2PSecureProducerSocket::setSocketOption(
+ int socket_option_key, ProducerContentCallback socket_option_value) {
+ if (!list_secure_producers.empty())
+ for (auto it = list_secure_producers.cbegin();
+ it != list_secure_producers.cend(); it++)
+ (*it)->setSocketOption(socket_option_key, socket_option_value);
+
+ switch (socket_option_key) {
+ case ProducerCallbacksOptions::CONTENT_PRODUCED:
+ on_content_produced_application_ = socket_option_value;
+ break;
+
+ default:
+ return SOCKET_OPTION_NOT_SET;
+ }
+
+ return SOCKET_OPTION_SET;
+}
+
+int P2PSecureProducerSocket::setSocketOption(
+ int socket_option_key, HashAlgorithm socket_option_value) {
+ if (!list_secure_producers.empty())
+ for (auto it = list_secure_producers.cbegin();
+ it != list_secure_producers.cend(); it++)
+ (*it)->setSocketOption(socket_option_key, socket_option_value);
+
+ return ProducerSocket::setSocketOption(socket_option_key,
+ socket_option_value);
+}
+
+int P2PSecureProducerSocket::setSocketOption(
+ int socket_option_key, utils::CryptoSuite socket_option_value) {
+ if (!list_secure_producers.empty())
+ for (auto it = list_secure_producers.cbegin();
+ it != list_secure_producers.cend(); it++)
+ (*it)->setSocketOption(socket_option_key, socket_option_value);
+
+ return ProducerSocket::setSocketOption(socket_option_key,
+ socket_option_value);
+}
+
+int P2PSecureProducerSocket::setSocketOption(
+ int socket_option_key, const std::string &socket_option_value) {
+ if (!list_secure_producers.empty())
+ for (auto it = list_secure_producers.cbegin();
+ it != list_secure_producers.cend(); it++)
+ (*it)->setSocketOption(socket_option_key, socket_option_value);
+
+ return ProducerSocket::setSocketOption(socket_option_key,
+ socket_option_value);
+}
+
+} // namespace interface
+
+} // namespace transport
diff --git a/libtransport/src/hicn/transport/interfaces/p2psecure_socket_producer.h b/libtransport/src/hicn/transport/interfaces/p2psecure_socket_producer.h
new file mode 100644
index 0000000..ba3fa01
--- /dev/null
+++ b/libtransport/src/hicn/transport/interfaces/p2psecure_socket_producer.h
@@ -0,0 +1,129 @@
+/*
+ * 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 <hicn/transport/interfaces/socket_producer.h>
+#include <hicn/transport/interfaces/tls_socket_producer.h>
+#include <hicn/transport/interfaces/tls_rtc_socket_producer.h>
+#include <hicn/transport/utils/content_store.h>
+#include <hicn/transport/utils/identity.h>
+#include <hicn/transport/utils/signer.h>
+
+#include <openssl/ssl.h>
+#include <condition_variable>
+#include <forward_list>
+#include <mutex>
+
+namespace transport {
+
+namespace interface {
+
+class P2PSecureProducerSocket : public ProducerSocket {
+ friend class TLSProducerSocket;
+ friend class TLSRTCProducerSocket;
+
+ public:
+ explicit P2PSecureProducerSocket();
+ explicit P2PSecureProducerSocket(
+ bool rtc, const std::shared_ptr<utils::Identity> &identity);
+ ~P2PSecureProducerSocket();
+
+ void produce(const uint8_t *buffer, size_t buffer_size) override;
+
+ uint32_t produce(Name content_name, const uint8_t *buffer, size_t buffer_size,
+ bool is_last = true, uint32_t start_offset = 0) override;
+
+ uint32_t produce(Name content_name, std::unique_ptr<utils::MemBuf> &&buffer,
+ bool is_last = true, uint32_t start_offset = 0) 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;
+
+ int setSocketOption(int socket_option_key,
+ ProducerInterestCallback socket_option_value) override;
+
+ int setSocketOption(
+ int socket_option_key,
+ const std::shared_ptr<utils::Signer> &socket_option_value) override;
+
+ int setSocketOption(int socket_option_key,
+ uint32_t socket_option_value) override;
+
+ int setSocketOption(int socket_option_key, bool socket_option_value) override;
+
+ int setSocketOption(int socket_option_key,
+ Name *socket_option_value) override;
+
+ int setSocketOption(int socket_option_key,
+ std::list<Prefix> socket_option_value) override;
+
+ int setSocketOption(
+ int socket_option_key,
+ ProducerContentObjectCallback socket_option_value) override;
+
+ int setSocketOption(int socket_option_key,
+ ProducerContentCallback socket_option_value) override;
+
+ int setSocketOption(int socket_option_key,
+ HashAlgorithm socket_option_value) override;
+
+ int setSocketOption(int socket_option_key,
+ utils::CryptoSuite socket_option_value) override;
+
+ int setSocketOption(int socket_option_key,
+ const std::string &socket_option_value) override;
+
+ using ProducerSocket::getSocketOption;
+ using ProducerSocket::onInterest;
+
+ protected:
+ bool rtc_;
+ /* 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_;
+
+ private:
+ std::mutex mtx_;
+
+ /* Condition variable for the wait */
+ std::condition_variable cv_;
+
+ PARCBuffer *der_cert_;
+ PARCBuffer *der_prk_;
+ X509 *cert_509_;
+ EVP_PKEY *pkey_rsa_;
+ std::unordered_map<core::Name, std::unique_ptr<TLSProducerSocket>,
+ core::hash<core::Name>, core::compare2<core::Name>>
+ map_secure_producers;
+ std::unordered_map<core::Name, std::unique_ptr<TLSRTCProducerSocket>,
+ core::hash<core::Name>, core::compare2<core::Name>>
+ map_secure_rtc_producers;
+ std::list<std::unique_ptr<TLSProducerSocket>> list_secure_producers;
+ std::list<std::unique_ptr<TLSRTCProducerSocket>> list_secure_rtc_producers;
+
+ void onInterestCallback(ProducerSocket &p, Interest &interest);
+};
+
+} // namespace interface
+
+} // namespace transport
diff --git a/libtransport/src/hicn/transport/interfaces/rtc_socket_producer.cc b/libtransport/src/hicn/transport/interfaces/rtc_socket_producer.cc
index bb93e05..fefa419 100644
--- a/libtransport/src/hicn/transport/interfaces/rtc_socket_producer.cc
+++ b/libtransport/src/hicn/transport/interfaces/rtc_socket_producer.cc
@@ -171,6 +171,7 @@ void RTCProducerSocket::produce(std::unique_ptr<utils::MemBuf> &&buffer) {
on_content_object_in_output_buffer_(*this, *content_object);
}
+ TRANSPORT_LOGD("Send content %u (produce)", content_object->getName().getSuffix());
portal_->sendContentObject(*content_object);
if (on_content_object_output_) {
@@ -222,6 +223,7 @@ void RTCProducerSocket::onInterest(Interest::Ptr &&interest) {
on_content_object_output_(*this, *content_object);
}
+ TRANSPORT_LOGD("Send content %u (onInterest)", content_object->getName().getSuffix());
portal_->sendContentObject(*content_object);
return;
} else {
@@ -357,6 +359,7 @@ void RTCProducerSocket::sendNack(uint32_t sequence) {
on_content_object_output_(*this, nack);
}
+ TRANSPORT_LOGD("Send nack %u", sequence);
portal_->sendContentObject(nack);
}
diff --git a/libtransport/src/hicn/transport/interfaces/rtc_socket_producer.h b/libtransport/src/hicn/transport/interfaces/rtc_socket_producer.h
index 37ba88d..d7917a8 100644
--- a/libtransport/src/hicn/transport/interfaces/rtc_socket_producer.h
+++ b/libtransport/src/hicn/transport/interfaces/rtc_socket_producer.h
@@ -26,7 +26,7 @@ namespace transport {
namespace interface {
-class RTCProducerSocket : public ProducerSocket {
+class RTCProducerSocket : virtual public ProducerSocket {
public:
RTCProducerSocket(asio::io_service &io_service);
@@ -36,7 +36,7 @@ class RTCProducerSocket : public ProducerSocket {
void registerPrefix(const Prefix &producer_namespace) override;
- void produce(std::unique_ptr<utils::MemBuf> &&buffer) override;
+ virtual void produce(std::unique_ptr<utils::MemBuf> &&buffer) override;
void onInterest(Interest::Ptr &&interest) override;
diff --git a/libtransport/src/hicn/transport/interfaces/socket_consumer.cc b/libtransport/src/hicn/transport/interfaces/socket_consumer.cc
index fba972f..b2c0549 100644
--- a/libtransport/src/hicn/transport/interfaces/socket_consumer.cc
+++ b/libtransport/src/hicn/transport/interfaces/socket_consumer.cc
@@ -48,6 +48,7 @@ ConsumerSocket::ConsumerSocket(int protocol, asio::io_service &io_service)
rate_estimation_choice_(0),
verifier_(std::make_shared<utils::Verifier>()),
verify_signature_(false),
+ key_content_(false),
on_interest_output_(VOID_HANDLER),
on_interest_timeout_(VOID_HANDLER),
on_interest_satisfied_(VOID_HANDLER),
@@ -106,9 +107,13 @@ int ConsumerSocket::asyncConsume(const Name &name) {
return CONSUMER_RUNNING;
}
+bool ConsumerSocket::verifyKeyPackets() {
+ return transport_protocol_->verifyKeyPackets();
+}
+
void ConsumerSocket::stop() {
- if (transport_protocol_->isRunning()) {
- transport_protocol_->stop();
+ if (transport_protocol_) {
+ if (transport_protocol_->isRunning()) transport_protocol_->stop();
}
}
@@ -312,6 +317,11 @@ int ConsumerSocket::setSocketOption(int socket_option_key,
result = SOCKET_OPTION_SET;
break;
+ case GeneralTransportOptions::KEY_CONTENT:
+ key_content_ = socket_option_value;
+ result = SOCKET_OPTION_SET;
+ break;
+
default:
return result;
}
@@ -461,6 +471,7 @@ int ConsumerSocket::setSocketOption(
if (!transport_protocol_->isRunning()) {
switch (socket_option_key) {
case GeneralTransportOptions::VERIFIER:
+ verifier_.reset();
verifier_ = socket_option_value;
result = SOCKET_OPTION_SET;
break;
@@ -479,10 +490,7 @@ int ConsumerSocket::setSocketOption(int socket_option_key,
switch (socket_option_key) {
case GeneralTransportOptions::CERTIFICATE:
key_id_ = verifier_->addKeyFromCertificate(socket_option_value);
-
- if (key_id_ != nullptr) {
- result = SOCKET_OPTION_SET;
- }
+ if (key_id_ != nullptr) result = SOCKET_OPTION_SET;
break;
case DataLinkOptions::OUTPUT_INTERFACE:
@@ -614,6 +622,10 @@ int ConsumerSocket::getSocketOption(int socket_option_key,
socket_option_value = verify_signature_;
break;
+ case GeneralTransportOptions::KEY_CONTENT:
+ socket_option_value = key_content_;
+ break;
+
default:
return SOCKET_OPTION_NOT_GET;
}
diff --git a/libtransport/src/hicn/transport/interfaces/socket_consumer.h b/libtransport/src/hicn/transport/interfaces/socket_consumer.h
index acce28c..48a594a 100644
--- a/libtransport/src/hicn/transport/interfaces/socket_consumer.h
+++ b/libtransport/src/hicn/transport/interfaces/socket_consumer.h
@@ -132,6 +132,8 @@ class ConsumerSocket : public BaseSocket {
* the application when the transfer is done.
*/
virtual void readSuccess(std::size_t total_size) noexcept = 0;
+
+ virtual void afterRead() {}
};
/**
@@ -181,8 +183,16 @@ class ConsumerSocket : public BaseSocket {
* content retrieval succeeded. This information can be obtained from the
* error code in CONTENT_RETRIEVED callback.
*/
- int consume(const Name &name);
- int asyncConsume(const Name &name);
+ virtual int consume(const Name &name);
+ virtual int asyncConsume(const Name &name);
+
+ /**
+ * Verify the packets containing a key after the origin of the key has been
+ * validated by the client.
+ *
+ * @return true if all packets are valid, false otherwise
+ */
+ virtual bool verifyKeyPackets();
/**
* Stops the consumer socket. If several downloads are queued (using
@@ -330,16 +340,14 @@ class ConsumerSocket : public BaseSocket {
return result;
}
- private:
+ // context inner state variables
asio::io_service internal_io_service_;
asio::io_service &io_service_;
std::shared_ptr<Portal> portal_;
+
utils::EventThread async_downloader_;
- // No need to protect from multiple accesses in the async consumer
- // The parameter is accessible only with a getSocketOption and
- // set from the consume
Name network_name_;
int interest_lifetime_;
@@ -362,17 +370,22 @@ class ConsumerSocket : public BaseSocket {
int rate_estimation_batching_parameter_;
int rate_estimation_choice_;
+ bool is_async_;
+
// Verification parameters
std::shared_ptr<utils::Verifier> verifier_;
PARCKeyId *key_id_;
std::atomic_bool verify_signature_;
+ std::atomic_bool key_content_;
ConsumerInterestCallback on_interest_retransmission_;
ConsumerInterestCallback on_interest_output_;
ConsumerInterestCallback on_interest_timeout_;
ConsumerInterestCallback on_interest_satisfied_;
+
ConsumerContentObjectCallback on_content_object_input_;
ConsumerContentObjectVerificationCallback on_content_object_verification_;
+
ConsumerContentObjectCallback on_content_object_;
ConsumerManifestCallback on_manifest_;
ConsumerTimerCallback stats_summary_;
@@ -396,4 +409,4 @@ class ConsumerSocket : public BaseSocket {
} // namespace interface
-} // end namespace transport \ No newline at end of file
+} // end namespace transport
diff --git a/libtransport/src/hicn/transport/interfaces/socket_options_keys.h b/libtransport/src/hicn/transport/interfaces/socket_options_keys.h
index b25bacb..a381312 100644
--- a/libtransport/src/hicn/transport/interfaces/socket_options_keys.h
+++ b/libtransport/src/hicn/transport/interfaces/socket_options_keys.h
@@ -34,7 +34,7 @@ typedef enum {
DATA_PACKET_SIZE = 106,
INTEREST_LIFETIME = 107,
CONTENT_OBJECT_EXPIRY_TIME = 108,
- KEY_LOCATOR = 110,
+ KEY_CONTENT = 110,
MIN_WINDOW_SIZE = 111,
MAX_WINDOW_SIZE = 112,
CURRENT_WINDOW_SIZE = 113,
@@ -45,11 +45,11 @@ typedef enum {
APPLICATION_BUFFER = 118,
HASH_ALGORITHM = 119,
CRYPTO_SUITE = 120,
- IDENTITY = 121,
+ SIGNER = 121,
VERIFIER = 122,
CERTIFICATE = 123,
VERIFY_SIGNATURE = 124,
- STATS_INTERVAL = 125
+ STATS_INTERVAL = 125,
} GeneralTransportOptions;
typedef enum {
@@ -92,7 +92,7 @@ typedef enum {
CONTENT_OBJECT_SIGN = 513,
CONTENT_OBJECT_READY = 510,
CONTENT_OBJECT_OUTPUT = 511,
- CONTENT_PRODUCED = 512
+ CONTENT_PRODUCED = 512,
} ProducerCallbacksOptions;
typedef enum { OUTPUT_INTERFACE = 601 } DataLinkOptions;
@@ -110,4 +110,4 @@ typedef enum {
} // namespace interface
-} // end namespace transport \ No newline at end of file
+} // end namespace transport
diff --git a/libtransport/src/hicn/transport/interfaces/socket_producer.cc b/libtransport/src/hicn/transport/interfaces/socket_producer.cc
index 4fef5d1..26a7208 100644
--- a/libtransport/src/hicn/transport/interfaces/socket_producer.cc
+++ b/libtransport/src/hicn/transport/interfaces/socket_producer.cc
@@ -14,7 +14,7 @@
*/
#include <hicn/transport/interfaces/socket_producer.h>
-#include <hicn/transport/utils/identity.h>
+#include <hicn/transport/utils/signer.h>
#include <functional>
@@ -35,6 +35,7 @@ ProducerSocket::ProducerSocket(asio::io_service &io_service)
data_packet_size_(default_values::content_object_packet_size),
content_object_expiry_time_(default_values::content_object_expiry_time),
output_buffer_(default_values::producer_socket_output_buffer_size),
+ async_thread_(),
registration_status_(REGISTRATION_NOT_ATTEMPTED),
making_manifest_(false),
hash_algorithm_(HashAlgorithm::SHA_256),
@@ -96,51 +97,47 @@ void ProducerSocket::listen() {
void ProducerSocket::passContentObjectToCallbacks(
const std::shared_ptr<ContentObject> &content_object) {
if (content_object) {
- if (on_new_segment_) {
- io_service_.dispatch([this, content_object]() {
+ io_service_.dispatch([this, content_object]() {
+ if (on_new_segment_) {
on_new_segment_(*this, *content_object);
- });
- }
+ }
- if (on_content_object_to_sign_) {
- io_service_.dispatch([this, content_object]() {
+ if (on_content_object_to_sign_) {
on_content_object_to_sign_(*this, *content_object);
- });
- }
+ }
- if (on_content_object_in_output_buffer_) {
- io_service_.dispatch([this, content_object]() {
+ if (on_content_object_in_output_buffer_) {
on_content_object_in_output_buffer_(*this, *content_object);
- });
- }
+ }
+ });
output_buffer_.insert(content_object);
- if (on_content_object_output_) {
- io_service_.dispatch([this, content_object]() {
+ io_service_.dispatch([this, content_object]() {
+ if (on_content_object_output_) {
on_content_object_output_(*this, *content_object);
- });
- }
+ }
+ });
portal_->sendContentObject(*content_object);
}
}
void ProducerSocket::produce(ContentObject &content_object) {
- if (on_content_object_in_output_buffer_) {
- io_service_.dispatch([this, &content_object]() {
+ io_service_.dispatch([this, &content_object]() {
+ if (on_content_object_in_output_buffer_) {
on_content_object_in_output_buffer_(*this, content_object);
- });
- }
+ }
+ });
output_buffer_.insert(std::static_pointer_cast<ContentObject>(
content_object.shared_from_this()));
- if (on_content_object_output_) {
- io_service_.dispatch([this, &content_object]() {
+ io_service_.dispatch([this, &content_object]() {
+ if (on_content_object_output_) {
on_content_object_output_(*this, content_object);
- });
- }
+ }
+ });
portal_->sendContentObject(content_object);
}
@@ -160,8 +157,8 @@ uint32_t ProducerSocket::produce(Name content_name,
bool making_manifest = making_manifest_;
auto suffix_strategy = utils::SuffixStrategyFactory::getSuffixStrategy(
suffix_strategy_, start_offset);
- std::shared_ptr<utils::Identity> identity;
- getSocketOption(GeneralTransportOptions::IDENTITY, identity);
+ std::shared_ptr<utils::Signer> signer;
+ getSocketOption(GeneralTransportOptions::SIGNER, signer);
auto buffer_size = buffer->length();
int bytes_segmented = 0;
@@ -176,7 +173,7 @@ uint32_t ProducerSocket::produce(Name content_name,
bool is_last_manifest = false;
// TODO Manifest may still be used for indexing
- if (making_manifest && !identity) {
+ if (making_manifest && !signer) {
TRANSPORT_LOGD("Making manifests without setting producer identity.");
}
@@ -197,11 +194,11 @@ uint32_t ProducerSocket::produce(Name content_name,
format = hf_format;
if (making_manifest) {
manifest_header_size = core::Packet::getHeaderSizeFromFormat(
- identity ? hf_format_ah : hf_format,
- identity ? identity->getSignatureLength() : 0);
- } else if (identity) {
+ signer ? hf_format_ah : hf_format,
+ signer ? signer->getSignatureLength() : 0);
+ } else if (signer) {
format = hf_format_ah;
- signature_length = identity->getSignatureLength();
+ signature_length = signer->getSignatureLength();
}
header_size = core::Packet::getHeaderSizeFromFormat(format, signature_length);
@@ -227,7 +224,7 @@ uint32_t ProducerSocket::produce(Name content_name,
content_name.setSuffix(suffix_strategy->getNextManifestSuffix()),
core::ManifestVersion::VERSION_1, core::ManifestType::INLINE_MANIFEST,
hash_algo, is_last_manifest, content_name, suffix_strategy_,
- identity ? identity->getSignatureLength() : 0));
+ signer ? signer->getSignatureLength() : 0));
manifest->setLifetime(content_object_expiry_time);
if (is_last) {
@@ -237,6 +234,7 @@ uint32_t ProducerSocket::produce(Name content_name,
}
}
+ TRANSPORT_LOGD("--------- START PRODUCE ----------");
for (unsigned int packaged_segments = 0;
packaged_segments < number_of_segments; packaged_segments++) {
if (making_manifest) {
@@ -246,15 +244,18 @@ uint32_t ProducerSocket::produce(Name content_name,
manifest->encode();
// If identity set, sign manifest
- if (identity) {
- identity->getSigner().sign(*manifest);
+ if (signer) {
+ signer->sign(*manifest);
}
passContentObjectToCallbacks(manifest);
+ TRANSPORT_LOGD("Send manifest %u", manifest->getName().getSuffix());
// Send content objects stored in the queue
while (!content_queue_.empty()) {
passContentObjectToCallbacks(content_queue_.front());
+ TRANSPORT_LOGD("Send content %u",
+ content_queue_.front()->getName().getSuffix());
content_queue_.pop();
}
@@ -266,7 +267,7 @@ uint32_t ProducerSocket::produce(Name content_name,
core::ManifestVersion::VERSION_1,
core::ManifestType::INLINE_MANIFEST, hash_algo, is_last_manifest,
content_name, suffix_strategy_,
- identity ? identity->getSignatureLength() : 0));
+ signer ? signer->getSignatureLength() : 0));
manifest->setLifetime(content_object_expiry_time);
manifest->setFinalBlockNumber(
@@ -307,10 +308,11 @@ uint32_t ProducerSocket::produce(Name content_name,
manifest->addSuffixHash(content_suffix, hash);
content_queue_.push(content_object);
} else {
- if (identity) {
- identity->getSigner().sign(*content_object);
+ if (signer) {
+ signer->sign(*content_object);
}
passContentObjectToCallbacks(content_object);
+ TRANSPORT_LOGD("Send content %u", content_object->getName().getSuffix());
}
}
@@ -320,24 +322,28 @@ uint32_t ProducerSocket::produce(Name content_name,
}
manifest->encode();
- if (identity) {
- identity->getSigner().sign(*manifest);
+ if (signer) {
+ signer->sign(*manifest);
}
passContentObjectToCallbacks(manifest);
+ TRANSPORT_LOGD("Send manifest %u", manifest->getName().getSuffix());
while (!content_queue_.empty()) {
passContentObjectToCallbacks(content_queue_.front());
+ TRANSPORT_LOGD("Send content %u",
+ content_queue_.front()->getName().getSuffix());
content_queue_.pop();
}
}
- if (on_content_produced_) {
- io_service_.dispatch([this, buffer_size]() {
+ io_service_.dispatch([this, buffer_size]() {
+ if (on_content_produced_) {
on_content_produced_(*this, std::make_error_code(std::errc(0)),
buffer_size);
- });
- }
+ }
+ });
+ TRANSPORT_LOGD("--------- END PRODUCE ------------");
return suffix_strategy->getTotalCount();
}
@@ -346,16 +352,42 @@ void ProducerSocket::asyncProduce(ContentObject &content_object) {
auto co_ptr = std::static_pointer_cast<ContentObject>(
content_object.shared_from_this());
async_thread_.add([this, content_object = std::move(co_ptr)]() {
- produce(*content_object);
+ ProducerSocket::produce(*content_object);
});
}
}
void ProducerSocket::asyncProduce(const Name &suffix, const uint8_t *buf,
- size_t buffer_size) {
+ size_t buffer_size, bool is_last,
+ uint32_t *start_offset) {
if (!async_thread_.stopped()) {
- async_thread_.add([this, suffix, buffer = buf, size = buffer_size]() {
- produce(suffix, buffer, size, 0, false);
+ async_thread_.add([this, suffix, buffer = buf, size = buffer_size, is_last,
+ start_offset]() {
+ if (start_offset != NULL) {
+ *start_offset = ProducerSocket::produce(suffix, buffer, size, is_last,
+ *start_offset);
+ } else {
+ ProducerSocket::produce(suffix, buffer, size, is_last, 0);
+ }
+ });
+ }
+}
+
+void ProducerSocket::asyncProduce(Name content_name,
+ std::unique_ptr<utils::MemBuf> &&buffer,
+ bool is_last, uint32_t offset,
+ uint32_t **last_segment) {
+ if (!async_thread_.stopped()) {
+ auto a = buffer.release();
+ async_thread_.add([this, content_name, a, is_last, offset, last_segment]() {
+ auto buf = std::unique_ptr<utils::MemBuf>(a);
+ if (last_segment != NULL) {
+ **last_segment =
+ offset + ProducerSocket::produce(content_name, std::move(buf),
+ is_last, offset);
+ } else {
+ ProducerSocket::produce(content_name, std::move(buf), is_last, offset);
+ }
});
}
}
@@ -392,8 +424,8 @@ int ProducerSocket::setSocketOption(int socket_option_key,
if (socket_option_value < default_values::max_content_object_size &&
socket_option_value > 0) {
data_packet_size_ = socket_option_value;
- break;
}
+ break;
case GeneralTransportOptions::OUTPUT_BUFFER_SIZE:
output_buffer_.setLimit(socket_option_value);
@@ -632,12 +664,12 @@ int ProducerSocket::setSocketOption(int socket_option_key,
int ProducerSocket::setSocketOption(
int socket_option_key,
- const std::shared_ptr<utils::Identity> &socket_option_value) {
+ const std::shared_ptr<utils::Signer> &socket_option_value) {
switch (socket_option_key) {
- case GeneralTransportOptions::IDENTITY: {
- utils::SpinLock::Acquire locked(identity_lock_);
- identity_.reset();
- identity_ = socket_option_value;
+ case GeneralTransportOptions::SIGNER: {
+ utils::SpinLock::Acquire locked(signer_lock_);
+ signer_.reset();
+ signer_ = socket_option_value;
} break;
default:
return SOCKET_OPTION_NOT_SET;
@@ -844,11 +876,11 @@ int ProducerSocket::getSocketOption(int socket_option_key,
int ProducerSocket::getSocketOption(
int socket_option_key,
- std::shared_ptr<utils::Identity> &socket_option_value) {
+ std::shared_ptr<utils::Signer> &socket_option_value) {
switch (socket_option_key) {
- case GeneralTransportOptions::IDENTITY: {
- utils::SpinLock::Acquire locked(identity_lock_);
- socket_option_value = identity_;
+ case GeneralTransportOptions::SIGNER: {
+ utils::SpinLock::Acquire locked(signer_lock_);
+ socket_option_value = signer_;
} break;
default:
return SOCKET_OPTION_NOT_GET;
diff --git a/libtransport/src/hicn/transport/interfaces/socket_producer.h b/libtransport/src/hicn/transport/interfaces/socket_producer.h
index ff6f497..5f360f2 100644
--- a/libtransport/src/hicn/transport/interfaces/socket_producer.h
+++ b/libtransport/src/hicn/transport/interfaces/socket_producer.h
@@ -18,10 +18,12 @@
#include <hicn/transport/interfaces/socket.h>
#include <hicn/transport/utils/content_store.h>
#include <hicn/transport/utils/event_thread.h>
+#include <hicn/transport/utils/signer.h>
#include <hicn/transport/utils/suffix_strategy.h>
#include <atomic>
#include <cmath>
+#include <condition_variable>
#include <mutex>
#include <queue>
#include <thread>
@@ -31,10 +33,6 @@
#define REGISTRATION_FAILURE 2
#define REGISTRATION_IN_PROGRESS 3
-namespace utils {
-class Identity;
-}
-
namespace transport {
namespace interface {
@@ -53,16 +51,19 @@ class ProducerSocket : public Socket<BasePortal>,
bool isRunning() override { return !io_service_.stopped(); };
- uint32_t produce(Name content_name, const uint8_t *buffer, size_t buffer_size,
- bool is_last = true, uint32_t start_offset = 0) {
- return produce(content_name, utils::MemBuf::copyBuffer(buffer, buffer_size),
- is_last, start_offset);
+ virtual uint32_t produce(Name content_name, const uint8_t *buffer,
+ size_t buffer_size, bool is_last = true,
+ uint32_t start_offset = 0) {
+ return ProducerSocket::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);
+ virtual uint32_t produce(Name content_name,
+ std::unique_ptr<utils::MemBuf> &&buffer,
+ bool is_last = true, uint32_t start_offset = 0);
- void produce(ContentObject &content_object);
+ virtual void produce(ContentObject &content_object);
virtual void produce(const uint8_t *buffer, size_t buffer_size) {
produce(utils::MemBuf::copyBuffer(buffer, buffer_size));
@@ -74,11 +75,18 @@ class ProducerSocket : public Socket<BasePortal>,
throw errors::NotImplementedException();
}
- void asyncProduce(const Name &suffix, const uint8_t *buf, size_t buffer_size);
+ virtual void asyncProduce(const Name &suffix, const uint8_t *buf,
+ size_t buffer_size, bool is_last = true,
+ uint32_t *start_offset = nullptr);
void asyncProduce(const Name &suffix);
- void asyncProduce(ContentObject &content_object);
+ virtual void asyncProduce(Name content_name,
+ std::unique_ptr<utils::MemBuf> &&buffer,
+ bool is_last, uint32_t offset,
+ uint32_t **last_segment = nullptr);
+
+ virtual void asyncProduce(ContentObject &content_object);
virtual void registerPrefix(const Prefix &producer_namespace);
@@ -124,7 +132,7 @@ class ProducerSocket : public Socket<BasePortal>,
virtual int setSocketOption(
int socket_option_key,
- const std::shared_ptr<utils::Identity> &socket_option_value);
+ const std::shared_ptr<utils::Signer> &socket_option_value);
virtual int setSocketOption(int socket_option_key,
const std::string &socket_option_value);
@@ -158,15 +166,77 @@ class ProducerSocket : public Socket<BasePortal>,
virtual int getSocketOption(
int socket_option_key,
- std::shared_ptr<utils::Identity> &socket_option_value);
+ std::shared_ptr<utils::Signer> &socket_option_value);
virtual int getSocketOption(int socket_option_key,
std::string &socket_option_value);
- protected:
+ // If the thread calling lambda_func is not the same of io_service, this
+ // function reschedule the function on it
+ template <typename Lambda, typename arg2>
+ int rescheduleOnIOService(int socket_option_key, arg2 socket_option_value,
+ Lambda lambda_func) {
+ // To enforce type check
+ std::function<int(int, arg2)> func = lambda_func;
+ int result = SOCKET_OPTION_SET;
+ if (listening_thread_.joinable() &&
+ std::this_thread::get_id() != listening_thread_.get_id()) {
+ std::mutex mtx;
+ /* Condition variable for the wait */
+ std::condition_variable cv;
+ bool done = false;
+ io_service_.dispatch([&socket_option_key, &socket_option_value, &mtx, &cv,
+ &result, &done, &func]() {
+ std::unique_lock<std::mutex> lck(mtx);
+ done = true;
+ result = func(socket_option_key, socket_option_value);
+ cv.notify_all();
+ });
+ std::unique_lock<std::mutex> lck(mtx);
+ if (!done) {
+ cv.wait(lck);
+ }
+ } else {
+ result = func(socket_option_key, socket_option_value);
+ }
+
+ return result;
+ }
+
+ template <typename Lambda, typename arg2>
+ int rescheduleOnIOServiceWithReference(int socket_option_key,
+ arg2 &socket_option_value,
+ Lambda lambda_func) {
+ // To enforce type check
+ std::function<int(int, arg2 &)> func = lambda_func;
+ int result = SOCKET_OPTION_SET;
+ if (listening_thread_.joinable() &&
+ std::this_thread::get_id() != this->listening_thread_.get_id()) {
+ std::mutex mtx;
+ /* Condition variable for the wait */
+ std::condition_variable cv;
+
+ bool done = false;
+ io_service_.dispatch([&socket_option_key, &socket_option_value, &mtx, &cv,
+ &result, &done, &func]() {
+ std::unique_lock<std::mutex> lck(mtx);
+ done = true;
+ result = func(socket_option_key, socket_option_value);
+ cv.notify_all();
+ });
+ std::unique_lock<std::mutex> lck(mtx);
+ if (!done) {
+ cv.wait(lck);
+ }
+ } else {
+ result = func(socket_option_key, socket_option_value);
+ }
+
+ return result;
+ }
// Threads
+ protected:
std::thread listening_thread_;
-
asio::io_service internal_io_service_;
asio::io_service &io_service_;
std::shared_ptr<Portal> portal_;
@@ -191,8 +261,8 @@ class ProducerSocket : public Socket<BasePortal>,
std::atomic<HashAlgorithm> hash_algorithm_;
std::atomic<utils::CryptoSuite> crypto_suite_;
- utils::SpinLock identity_lock_;
- std::shared_ptr<utils::Identity> identity_;
+ utils::SpinLock signer_lock_;
+ std::shared_ptr<utils::Signer> signer_;
core::NextSegmentCalculationStrategy suffix_strategy_;
// While manifests are being built, contents are stored in a queue
@@ -213,38 +283,6 @@ class ProducerSocket : public Socket<BasePortal>,
ProducerContentCallback on_content_produced_;
- // If the thread calling lambda_func is not the same of io_service, this
- // function reschedule the function on it
- template <typename Lambda, typename arg2>
- int rescheduleOnIOService(int socket_option_key, arg2 socket_option_value,
- Lambda lambda_func) {
- // To enforce type check
- std::function<int(int, arg2)> func = lambda_func;
- int result = SOCKET_OPTION_SET;
- if (listening_thread_.joinable() &&
- std::this_thread::get_id() != listening_thread_.get_id()) {
- std::mutex mtx;
- /* Condition variable for the wait */
- std::condition_variable cv;
- bool done = false;
- io_service_.dispatch([&socket_option_key, &socket_option_value, &mtx, &cv,
- &result, &done, &func]() {
- std::unique_lock<std::mutex> lck(mtx);
- done = true;
- result = func(socket_option_key, socket_option_value);
- cv.notify_all();
- });
- std::unique_lock<std::mutex> lck(mtx);
- if (!done) {
- cv.wait(lck);
- }
- } else {
- result = func(socket_option_key, socket_option_value);
- }
-
- return result;
- }
-
private:
void listen();
diff --git a/libtransport/src/hicn/transport/interfaces/tls_rtc_socket_producer.cc b/libtransport/src/hicn/transport/interfaces/tls_rtc_socket_producer.cc
new file mode 100644
index 0000000..27c1e54
--- /dev/null
+++ b/libtransport/src/hicn/transport/interfaces/tls_rtc_socket_producer.cc
@@ -0,0 +1,178 @@
+#include <hicn/transport/core/interest.h>
+#include <hicn/transport/interfaces/p2psecure_socket_producer.h>
+#include <hicn/transport/interfaces/tls_rtc_socket_producer.h>
+
+#include <openssl/bio.h>
+#include <openssl/rand.h>
+#include <openssl/ssl.h>
+
+namespace transport {
+
+namespace interface {
+int TLSRTCProducerSocket::read(BIO *b, char *buf, size_t size,
+ size_t *readbytes) {
+ int ret;
+
+ if (size > INT_MAX) size = INT_MAX;
+
+ ret = TLSRTCProducerSocket::readOld(b, buf, (int)size);
+
+ if (ret <= 0) {
+ *readbytes = 0;
+ return ret;
+ }
+
+ *readbytes = (size_t)ret;
+
+ return 1;
+}
+
+int TLSRTCProducerSocket::readOld(BIO *b, char *buf, int size) {
+ TLSRTCProducerSocket *socket;
+ socket = (TLSRTCProducerSocket *)BIO_get_data(b);
+
+ std::unique_lock<std::mutex> lck(socket->mtx_);
+ if (!socket->something_to_read_) {
+ (socket->cv_).wait(lck);
+ }
+
+ utils::MemBuf *membuf = socket->packet_->next();
+ int size_to_read;
+
+ if ((int)membuf->length() > size) {
+ size_to_read = size;
+ } else {
+ size_to_read = membuf->length();
+ socket->something_to_read_ = false;
+ }
+
+ std::memcpy(buf, membuf->data(), size_to_read);
+ membuf->trimStart(size_to_read);
+
+ return size_to_read;
+}
+
+int TLSRTCProducerSocket::write(BIO *b, const char *buf, size_t size,
+ size_t *written) {
+ int ret;
+
+ if (size > INT_MAX) size = INT_MAX;
+
+ ret = TLSRTCProducerSocket::writeOld(b, buf, (int)size);
+
+ if (ret <= 0) {
+ *written = 0;
+ return ret;
+ }
+
+ *written = (size_t)ret;
+
+ return 1;
+}
+
+int TLSRTCProducerSocket::writeOld(BIO *b, const char *buf, int num) {
+ TLSRTCProducerSocket *socket;
+ socket = (TLSRTCProducerSocket *)BIO_get_data(b);
+
+ if ((SSL_in_before(socket->ssl_) || SSL_in_init(socket->ssl_)) &&
+ socket->first_) {
+ socket->tls_chunks_--;
+ bool making_manifest = socket->parent_->making_manifest_;
+ socket->parent_->setSocketOption(GeneralTransportOptions::MAKE_MANIFEST,
+ false);
+ socket->parent_->ProducerSocket::produce(
+ socket->name_, (const uint8_t *)buf, num, socket->tls_chunks_ == 0, 0);
+ socket->parent_->setSocketOption(GeneralTransportOptions::MAKE_MANIFEST,
+ making_manifest);
+ socket->first_ = false;
+
+ } else {
+ std::unique_ptr<utils::MemBuf> mbuf =
+ utils::MemBuf::copyBuffer(buf, (std::size_t)num, 0, 0);
+ auto a = mbuf.release();
+ socket->async_thread_.add([socket = socket, a]() {
+ socket->to_call_oncontentproduced_--;
+ auto mbuf = std::unique_ptr<utils::MemBuf>(a);
+ socket->RTCProducerSocket::produce(std::move(mbuf));
+ ProducerContentCallback on_content_produced_application;
+ socket->getSocketOption(ProducerCallbacksOptions::CONTENT_PRODUCED,
+ on_content_produced_application);
+ if (socket->to_call_oncontentproduced_ == 0 &&
+ on_content_produced_application) {
+ on_content_produced_application(*socket, std::error_code(), 0);
+ }
+ });
+ }
+
+ return num;
+}
+
+TLSRTCProducerSocket::TLSRTCProducerSocket(P2PSecureProducerSocket *parent,
+ const Name &handshake_name)
+ : RTCProducerSocket(), TLSProducerSocket(parent, handshake_name) {
+ BIO_METHOD *bio_meth =
+ BIO_meth_new(BIO_TYPE_ACCEPT, "secure rtc producer socket");
+ BIO_meth_set_read(bio_meth, TLSRTCProducerSocket::readOld);
+ BIO_meth_set_write(bio_meth, TLSRTCProducerSocket::writeOld);
+ BIO_meth_set_ctrl(bio_meth, TLSProducerSocket::ctrl);
+ BIO *bio = BIO_new(bio_meth);
+ BIO_set_init(bio, 1);
+ BIO_set_data(bio, this);
+ SSL_set_bio(ssl_, bio, bio);
+}
+
+void TLSRTCProducerSocket::accept() {
+ if (SSL_in_before(ssl_) || SSL_in_init(ssl_)) {
+ tls_chunks_ = 1;
+ int result = SSL_accept(ssl_);
+ if (result != 1)
+ throw errors::RuntimeException("Unable to perform client handshake");
+ }
+
+ TRANSPORT_LOGD("Handshake performed!");
+ parent_->list_secure_rtc_producers.push_front(
+ std::move(parent_->map_secure_rtc_producers[handshake_name_]));
+ parent_->map_secure_rtc_producers.erase(handshake_name_);
+
+ ProducerInterestCallback on_interest_process_decrypted;
+ getSocketOption(ProducerCallbacksOptions::CACHE_MISS,
+ on_interest_process_decrypted);
+
+ if (on_interest_process_decrypted) {
+ Interest inter(std::move(packet_));
+ on_interest_process_decrypted(*this, inter);
+ }
+
+ parent_->cv_.notify_one();
+}
+
+int TLSRTCProducerSocket::async_accept() {
+ if (!async_thread_.stopped()) {
+ async_thread_.add([this]() { this->TLSRTCProducerSocket::accept(); });
+ } else {
+ throw errors::RuntimeException(
+ "Async thread not running, impossible to perform handshake");
+ }
+
+ return 1;
+}
+
+void TLSRTCProducerSocket::produce(std::unique_ptr<utils::MemBuf> &&buffer) {
+ if (SSL_in_before(ssl_) || SSL_in_init(ssl_)) {
+ throw errors::RuntimeException(
+ "New handshake on the same P2P secure producer socket not supported");
+ }
+
+ size_t buf_size = buffer->length();
+ tls_chunks_ = ceil((float)buf_size / (float)SSL3_RT_MAX_PLAIN_LENGTH);
+ to_call_oncontentproduced_ = tls_chunks_;
+
+ SSL_write(ssl_, buffer->data(), buf_size);
+ BIO *wbio = SSL_get_wbio(ssl_);
+ int i = BIO_flush(wbio);
+ (void)i; // To shut up gcc 5
+}
+
+} // namespace interface
+
+} // namespace transport
diff --git a/libtransport/src/hicn/transport/interfaces/tls_rtc_socket_producer.h b/libtransport/src/hicn/transport/interfaces/tls_rtc_socket_producer.h
new file mode 100644
index 0000000..16125f8
--- /dev/null
+++ b/libtransport/src/hicn/transport/interfaces/tls_rtc_socket_producer.h
@@ -0,0 +1,58 @@
+/*
+ * 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 <hicn/transport/interfaces/rtc_socket_producer.h>
+#include <hicn/transport/interfaces/tls_socket_producer.h>
+
+namespace transport {
+
+namespace interface {
+
+class P2PSecureProducerSocket;
+
+class TLSRTCProducerSocket : public RTCProducerSocket,
+ public TLSProducerSocket {
+ friend class P2PSecureProducerSocket;
+
+ public:
+ explicit TLSRTCProducerSocket(P2PSecureProducerSocket *parent,
+ const Name &handshake_name);
+
+ ~TLSRTCProducerSocket() = default;
+
+ void produce(std::unique_ptr<utils::MemBuf> &&buffer) override;
+
+ void accept() override;
+
+ int async_accept() override;
+
+ using TLSProducerSocket::produce;
+ using TLSProducerSocket::onInterest;
+
+ protected:
+ static int read(BIO *b, char *buf, size_t size, size_t *readbytes);
+
+ static int readOld(BIO *h, char *buf, int size);
+
+ static int write(BIO *b, const char *buf, size_t size, size_t *written);
+
+ static int writeOld(BIO *h, const char *buf, int num);
+};
+
+} // namespace interface
+
+} // end namespace transport
diff --git a/libtransport/src/hicn/transport/interfaces/tls_socket_consumer.cc b/libtransport/src/hicn/transport/interfaces/tls_socket_consumer.cc
new file mode 100644
index 0000000..58b3c1d
--- /dev/null
+++ b/libtransport/src/hicn/transport/interfaces/tls_socket_consumer.cc
@@ -0,0 +1,364 @@
+#include <hicn/transport/interfaces/tls_socket_consumer.h>
+#include <openssl/bio.h>
+#include <openssl/ssl.h>
+#include <openssl/tls1.h>
+
+#include <random>
+
+namespace transport {
+
+namespace interface {
+
+void TLSConsumerSocket::setInterestPayload(ConsumerSocket &c,
+ const core::Interest &interest) {
+ Interest &int2 = const_cast<Interest &>(interest);
+ random_suffix_ = int2.getName().getSuffix();
+
+ if (payload_ != NULL) int2.appendPayload(std::move(payload_));
+}
+
+/* Return the number of read bytes in the return param */
+int readOldTLS(BIO *b, char *buf, int size) {
+ if (size < 0) return size;
+
+ TLSConsumerSocket *socket;
+ socket = (TLSConsumerSocket *)BIO_get_data(b);
+
+ std::unique_lock<std::mutex> lck(socket->mtx_);
+
+ if (!socket->something_to_read_) {
+ if (!socket->transport_protocol_->isRunning()) {
+ socket->network_name_.setSuffix(socket->random_suffix_);
+ socket->ConsumerSocket::asyncConsume(socket->network_name_);
+ }
+ if (!socket->something_to_read_) socket->cv_.wait(lck);
+ }
+
+ size_t size_to_read, read;
+ size_t chain_size = socket->head_->length();
+ if (socket->head_->isChained())
+ chain_size = socket->head_->computeChainDataLength();
+
+ if (chain_size > (size_t)size) {
+ read = size_to_read = (size_t)size;
+ } else {
+ read = size_to_read = chain_size;
+ socket->something_to_read_ = false;
+ }
+
+ while (size_to_read) {
+ if (socket->head_->length() < size_to_read) {
+ std::memcpy(buf, socket->head_->data(), socket->head_->length());
+ size_to_read -= socket->head_->length();
+ buf += socket->head_->length();
+ socket->head_ = socket->head_->pop();
+ } else {
+ std::memcpy(buf, socket->head_->data(), size_to_read);
+ socket->head_->trimStart(size_to_read);
+ size_to_read = 0;
+ }
+ }
+
+ return read;
+}
+
+/* Return the number of read bytes in readbytes */
+int readTLS(BIO *b, char *buf, size_t size, size_t *readbytes) {
+ int ret;
+
+ if (size > INT_MAX) size = INT_MAX;
+
+ ret = transport::interface::readOldTLS(b, buf, (int)size);
+
+ if (ret <= 0) {
+ *readbytes = 0;
+ return ret;
+ }
+
+ *readbytes = (size_t)ret;
+
+ return 1;
+}
+
+/* Return the number of written bytes in the return param */
+int writeOldTLS(BIO *b, const char *buf, int num) {
+ TLSConsumerSocket *socket;
+ socket = (TLSConsumerSocket *)BIO_get_data(b);
+
+ socket->payload_ = utils::MemBuf::copyBuffer(buf, num);
+ socket->ConsumerSocket::setSocketOption(
+ ConsumerCallbacksOptions::INTEREST_OUTPUT,
+ (ConsumerInterestCallback)std::bind(
+ &TLSConsumerSocket::setInterestPayload, socket, std::placeholders::_1,
+ std::placeholders::_2));
+
+ return num;
+}
+
+/* Return the number of written bytes in written */
+int writeTLS(BIO *b, const char *buf, size_t size, size_t *written) {
+ int ret;
+
+ if (size > INT_MAX) size = INT_MAX;
+
+ ret = transport::interface::writeOldTLS(b, buf, (int)size);
+
+ if (ret <= 0) {
+ *written = 0;
+ return ret;
+ }
+
+ *written = (size_t)ret;
+
+ return 1;
+}
+
+long ctrlTLS(BIO *b, int cmd, long num, void *ptr) { return 1; }
+
+TLSConsumerSocket::TLSConsumerSocket(int protocol, SSL *ssl)
+ : ConsumerSocket(protocol),
+ name_(),
+ buf_pool_(),
+ decrypted_content_(),
+ payload_(),
+ head_(),
+ something_to_read_(false),
+ content_downloaded_(false),
+ random_suffix_(),
+ secure_prefix_(),
+ producer_namespace_(),
+ read_callback_decrypted_(),
+ mtx_(),
+ cv_(),
+ async_downloader_tls_() {
+ /* Create the (d)TLS state */
+ const SSL_METHOD *meth = TLS_client_method();
+ ctx_ = SSL_CTX_new(meth);
+
+ int result =
+ SSL_CTX_set_ciphersuites(ctx_,
+ "TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_"
+ "SHA256:TLS_AES_128_GCM_SHA256");
+ if (result != 1) {
+ throw errors::RuntimeException(
+ "Unable to set cipher list on TLS subsystem. Aborting.");
+ }
+
+ SSL_CTX_set_min_proto_version(ctx_, TLS1_3_VERSION);
+ SSL_CTX_set_max_proto_version(ctx_, TLS1_3_VERSION);
+ SSL_CTX_set_verify(ctx_, SSL_VERIFY_NONE, NULL);
+ SSL_CTX_set_ssl_version(ctx_, meth);
+
+ ssl_ = ssl;
+
+ BIO_METHOD *bio_meth =
+ BIO_meth_new(BIO_TYPE_CONNECT, "secure consumer socket");
+ BIO_meth_set_read(bio_meth, transport::interface::readOldTLS);
+ BIO_meth_set_write(bio_meth, transport::interface::writeOldTLS);
+ BIO_meth_set_ctrl(bio_meth, transport::interface::ctrlTLS);
+ BIO *bio = BIO_new(bio_meth);
+ BIO_set_init(bio, 1);
+ BIO_set_data(bio, this);
+ SSL_set_bio(ssl_, bio, bio);
+
+ ConsumerSocket::getSocketOption(MAX_WINDOW_SIZE, old_max_win_);
+ ConsumerSocket::setSocketOption(MAX_WINDOW_SIZE, (double)1.0);
+
+ ConsumerSocket::getSocketOption(CURRENT_WINDOW_SIZE, old_current_win_);
+ ConsumerSocket::setSocketOption(CURRENT_WINDOW_SIZE, (double)1.0);
+
+ std::default_random_engine generator;
+ std::uniform_int_distribution<int> distribution(
+ 1, std::numeric_limits<uint32_t>::max());
+ random_suffix_ = 0;
+
+ this->ConsumerSocket::setSocketOption(ConsumerCallbacksOptions::READ_CALLBACK,
+ this);
+};
+
+int TLSConsumerSocket::consume(const Name &name,
+ std::unique_ptr<utils::MemBuf> &&buffer) {
+ this->payload_ = std::move(buffer);
+
+ this->ConsumerSocket::setSocketOption(
+ ConsumerCallbacksOptions::INTEREST_OUTPUT,
+ (ConsumerInterestCallback)std::bind(
+ &TLSConsumerSocket::setInterestPayload, this, std::placeholders::_1,
+ std::placeholders::_2));
+
+ return consume(name);
+}
+
+int TLSConsumerSocket::consume(const Name &name) {
+ if (transport_protocol_->isRunning()) {
+ return CONSUMER_BUSY;
+ }
+
+ if ((SSL_in_before(this->ssl_) || SSL_in_init(this->ssl_))) {
+ throw errors::RuntimeException("Handshake not performed");
+ }
+
+ return download_content(name);
+}
+
+int TLSConsumerSocket::download_content(const Name &name) {
+ network_name_ = name;
+ network_name_.setSuffix(0);
+ something_to_read_ = false;
+ content_downloaded_ = false;
+
+ decrypted_content_ = utils::MemBuf::createCombined(SSL3_RT_MAX_PLAIN_LENGTH);
+ uint8_t *buf = decrypted_content_->writableData();
+ size_t size = 0;
+ int result = -1;
+
+ while (!content_downloaded_ || something_to_read_) {
+ if (decrypted_content_->tailroom() < SSL3_RT_MAX_PLAIN_LENGTH) {
+ decrypted_content_->appendChain(
+ utils::MemBuf::createCombined(SSL3_RT_MAX_PLAIN_LENGTH));
+ // decrypted_content_->computeChainDataLength();
+ buf = decrypted_content_->prev()->writableData();
+ } else {
+ buf = decrypted_content_->writableTail();
+ }
+
+ result = SSL_read(this->ssl_, buf, SSL3_RT_MAX_PLAIN_LENGTH);
+
+ /* SSL_read returns the data only if there were SSL3_RT_MAX_PLAIN_LENGTH of
+ * the data has been fully downloaded */
+
+ /* ASSERT((result < SSL3_RT_MAX_PLAIN_LENGTH && content_downloaded_) || */
+ /* result == SSL3_RT_MAX_PLAIN_LENGTH); */
+
+ if (result >= 0) {
+ size += result;
+ decrypted_content_->prepend(result);
+ } else
+ throw errors::RuntimeException("Unable to download content");
+
+ if (size >= read_callback_decrypted_->maxBufferSize()) {
+ if (read_callback_decrypted_->isBufferMovable()) {
+ // No need to perform an additional copy. The whole buffer will be
+ // tranferred to the application.
+
+ read_callback_decrypted_->readBufferAvailable(
+ std::move(decrypted_content_));
+ decrypted_content_ = utils::MemBuf::create(SSL3_RT_MAX_PLAIN_LENGTH);
+ } else {
+ // The buffer will be copied into the application-provided buffer
+ uint8_t *buffer;
+ std::size_t length;
+ std::size_t total_length = decrypted_content_->length();
+
+ while (decrypted_content_->length()) {
+ buffer = nullptr;
+ length = 0;
+ read_callback_decrypted_->getReadBuffer(&buffer, &length);
+
+ if (!buffer || !length) {
+ throw errors::RuntimeException(
+ "Invalid buffer provided by the application.");
+ }
+
+ auto to_copy = std::min(decrypted_content_->length(), length);
+ std::memcpy(buffer, decrypted_content_->data(), to_copy);
+ decrypted_content_->trimStart(to_copy);
+ }
+
+ read_callback_decrypted_->readDataAvailable(total_length);
+ decrypted_content_->clear();
+ }
+ }
+ }
+
+ read_callback_decrypted_->readSuccess(size);
+
+ return CONSUMER_FINISHED;
+}
+
+int TLSConsumerSocket::asyncConsume(const Name &name,
+ std::unique_ptr<utils::MemBuf> &&buffer) {
+ this->payload_ = std::move(buffer);
+
+ this->ConsumerSocket::setSocketOption(
+ ConsumerCallbacksOptions::INTEREST_OUTPUT,
+ (ConsumerInterestCallback)std::bind(
+ &TLSConsumerSocket::setInterestPayload, this, std::placeholders::_1,
+ std::placeholders::_2));
+
+ return asyncConsume(name);
+}
+
+int TLSConsumerSocket::asyncConsume(const Name &name) {
+ if ((SSL_in_before(this->ssl_) || SSL_in_init(this->ssl_))) {
+ throw errors::RuntimeException("Handshake not performed");
+ }
+
+ if (!async_downloader_tls_.stopped()) {
+ async_downloader_tls_.add([this, name]() {
+ is_async_ = true;
+ download_content(name);
+ });
+ }
+
+ return CONSUMER_RUNNING;
+}
+
+void TLSConsumerSocket::registerPrefix(const Prefix &producer_namespace) {
+ producer_namespace_ = producer_namespace;
+}
+
+int TLSConsumerSocket::setSocketOption(
+ int socket_option_key, ConsumerSocket::ReadCallback *socket_option_value) {
+ return rescheduleOnIOService(
+ socket_option_key, socket_option_value,
+ [this](int socket_option_key,
+ ConsumerSocket::ReadCallback *socket_option_value) -> int {
+ switch (socket_option_key) {
+ case ConsumerCallbacksOptions::READ_CALLBACK:
+ read_callback_decrypted_ = socket_option_value;
+ break;
+ default:
+ return SOCKET_OPTION_NOT_SET;
+ }
+
+ return SOCKET_OPTION_SET;
+ });
+}
+
+void TLSConsumerSocket::getReadBuffer(uint8_t **application_buffer,
+ size_t *max_length) {}
+
+void TLSConsumerSocket::readDataAvailable(size_t length) noexcept {}
+
+size_t TLSConsumerSocket::maxBufferSize() const {
+ return SSL3_RT_MAX_PLAIN_LENGTH;
+}
+
+void TLSConsumerSocket::readBufferAvailable(
+ std::unique_ptr<utils::MemBuf> &&buffer) noexcept {
+ std::unique_lock<std::mutex> lck(this->mtx_);
+ if (head_) {
+ head_->prependChain(std::move(buffer));
+ } else {
+ head_ = std::move(buffer);
+ }
+
+ something_to_read_ = true;
+ cv_.notify_one();
+}
+
+void TLSConsumerSocket::readError(const std::error_code ec) noexcept {}
+
+void TLSConsumerSocket::readSuccess(std::size_t total_size) noexcept {
+ std::unique_lock<std::mutex> lck(this->mtx_);
+ content_downloaded_ = true;
+ something_to_read_ = true;
+ cv_.notify_one();
+}
+
+bool TLSConsumerSocket::isBufferMovable() noexcept { return true; }
+
+} // namespace interface
+
+} // namespace transport
diff --git a/libtransport/src/hicn/transport/interfaces/tls_socket_consumer.h b/libtransport/src/hicn/transport/interfaces/tls_socket_consumer.h
new file mode 100644
index 0000000..05f7fe6
--- /dev/null
+++ b/libtransport/src/hicn/transport/interfaces/tls_socket_consumer.h
@@ -0,0 +1,132 @@
+/*
+ * 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 <hicn/transport/interfaces/socket_consumer.h>
+#include <openssl/ssl.h>
+
+namespace transport {
+
+namespace interface {
+
+class TLSConsumerSocket : public ConsumerSocket,
+ public ConsumerSocket::ReadCallback {
+ /* Return the number of read bytes in readbytes */
+ friend int readTLS(BIO *b, char *buf, size_t size, size_t *readbytes);
+
+ /* Return the number of read bytes in the return param */
+ friend int readOldTLS(BIO *h, char *buf, int size);
+
+ /* Return the number of written bytes in written */
+ friend int writeTLS(BIO *b, const char *buf, size_t size, size_t *written);
+
+ /* Return the number of written bytes in the return param */
+ friend int writeOldTLS(BIO *h, const char *buf, int num);
+
+ friend long ctrlTLS(BIO *b, int cmd, long num, void *ptr);
+
+ public:
+ explicit TLSConsumerSocket(int protocol, SSL *ssl_);
+
+ ~TLSConsumerSocket() = default;
+
+ int consume(const Name &name, std::unique_ptr<utils::MemBuf> &&buffer);
+ int consume(const Name &name) override;
+
+ int asyncConsume(const Name &name, std::unique_ptr<utils::MemBuf> &&buffer);
+ int asyncConsume(const Name &name) override;
+
+ void registerPrefix(const Prefix &producer_namespace);
+
+ int setSocketOption(
+ int socket_option_key,
+ ConsumerSocket::ReadCallback *socket_option_value) override;
+
+ using ConsumerSocket::getSocketOption;
+ using ConsumerSocket::setSocketOption;
+
+ protected:
+ /* Callback invoked once an interest has been received and its payload
+ * decrypted */
+ ConsumerInterestCallback on_interest_input_decrypted_;
+ ConsumerInterestCallback on_interest_process_decrypted_;
+
+ private:
+ Name name_;
+
+ /* SSL handle */
+ SSL *ssl_;
+ SSL_CTX *ctx_;
+
+ /* Chain of MemBuf to be used as a temporary buffer to pass descypted data
+ * from the underlying layer to the application */
+ utils::ObjectPool<utils::MemBuf> buf_pool_;
+ std::unique_ptr<utils::MemBuf> decrypted_content_;
+
+ /* Chain of MemBuf holding the payload to be written into interest or data */
+ std::unique_ptr<utils::MemBuf> payload_;
+
+ /* Chain of MemBuf holding the data retrieved from the underlying layer */
+ std::unique_ptr<utils::MemBuf> head_;
+
+ bool something_to_read_;
+
+ bool content_downloaded_;
+
+ double old_max_win_;
+
+ double old_current_win_;
+
+ uint32_t random_suffix_;
+
+ ip_address_t secure_prefix_;
+
+ Prefix producer_namespace_;
+
+ ConsumerSocket::ReadCallback *read_callback_decrypted_;
+
+ std::mutex mtx_;
+
+ /* Condition variable for the wait */
+ std::condition_variable cv_;
+
+ utils::EventThread async_downloader_tls_;
+
+ void setInterestPayload(ConsumerSocket &c, const core::Interest &interest);
+ void processPayload(ConsumerSocket &c, std::size_t bytes_transferred,
+ const std::error_code &ec);
+
+ virtual void getReadBuffer(uint8_t **application_buffer,
+ size_t *max_length) override;
+
+ virtual void readDataAvailable(size_t length) noexcept override;
+
+ virtual size_t maxBufferSize() const override;
+
+ virtual void readBufferAvailable(
+ std::unique_ptr<utils::MemBuf> &&buffer) noexcept override;
+
+ virtual void readError(const std::error_code ec) noexcept override;
+
+ virtual void readSuccess(std::size_t total_size) noexcept override;
+ virtual bool isBufferMovable() noexcept override;
+
+ int download_content(const Name &name);
+};
+
+} // namespace interface
+
+} // end namespace transport \ No newline at end of file
diff --git a/libtransport/src/hicn/transport/interfaces/tls_socket_producer.cc b/libtransport/src/hicn/transport/interfaces/tls_socket_producer.cc
new file mode 100644
index 0000000..ad85ec6
--- /dev/null
+++ b/libtransport/src/hicn/transport/interfaces/tls_socket_producer.cc
@@ -0,0 +1,587 @@
+#include <hicn/transport/core/interest.h>
+#include <hicn/transport/interfaces/p2psecure_socket_producer.h>
+#include <hicn/transport/interfaces/tls_socket_producer.h>
+
+#include <openssl/bio.h>
+#include <openssl/rand.h>
+#include <openssl/ssl.h>
+
+namespace transport {
+
+namespace interface {
+
+/* Return the number of read bytes in readbytes */
+int TLSProducerSocket::read(BIO *b, char *buf, size_t size, size_t *readbytes) {
+ int ret;
+
+ if (size > INT_MAX) size = INT_MAX;
+
+ ret = TLSProducerSocket::readOld(b, buf, (int)size);
+
+ if (ret <= 0) {
+ *readbytes = 0;
+ return ret;
+ }
+
+ *readbytes = (size_t)ret;
+
+ return 1;
+}
+
+/* Return the number of read bytes in the return param */
+int TLSProducerSocket::readOld(BIO *b, char *buf, int size) {
+ TLSProducerSocket *socket;
+ socket = (TLSProducerSocket *)BIO_get_data(b);
+
+ /* take a lock on the mutex. It will be unlocked by */
+ std::unique_lock<std::mutex> lck(socket->mtx_);
+ if (!socket->something_to_read_) {
+ (socket->cv_).wait(lck);
+ }
+
+ /* Either there already is something to read, or the thread has been waken up
+ */
+ /* must return the payload in the interest */
+
+ utils::MemBuf *membuf = socket->packet_->next();
+ int size_to_read;
+ if ((int)membuf->length() > size) {
+ size_to_read = size;
+ } else {
+ size_to_read = membuf->length();
+ socket->something_to_read_ = false;
+ }
+
+ std::memcpy(buf, membuf->data(), size_to_read);
+ membuf->trimStart(size_to_read);
+
+ return size_to_read;
+}
+
+/* Return the number of written bytes in written */
+int TLSProducerSocket::write(BIO *b, const char *buf, size_t size,
+ size_t *written) {
+ int ret;
+
+ if (size > INT_MAX) size = INT_MAX;
+
+ ret = TLSProducerSocket::writeOld(b, buf, (int)size);
+
+ if (ret <= 0) {
+ *written = 0;
+ return ret;
+ }
+
+ *written = (size_t)ret;
+
+ return 1;
+}
+
+/* Return the number of written bytes in the return param */
+int TLSProducerSocket::writeOld(BIO *b, const char *buf, int num) {
+ TLSProducerSocket *socket;
+ socket = (TLSProducerSocket *)BIO_get_data(b);
+
+ if ((SSL_in_before(socket->ssl_) || SSL_in_init(socket->ssl_)) &&
+ socket->first_) {
+ //! socket->tls_chunks_ corresponds to is_last
+ socket->tls_chunks_--;
+ bool making_manifest = socket->parent_->making_manifest_;
+ socket->parent_->setSocketOption(GeneralTransportOptions::MAKE_MANIFEST,
+ false);
+ socket->parent_->ProducerSocket::produce(
+ socket->name_, (const uint8_t *)buf, num, socket->tls_chunks_ == 0,
+ socket->last_segment_);
+ socket->parent_->setSocketOption(GeneralTransportOptions::MAKE_MANIFEST,
+ making_manifest);
+ socket->first_ = false;
+ } else {
+ socket->still_writing_ = true;
+
+ std::unique_ptr<utils::MemBuf> mbuf =
+ utils::MemBuf::copyBuffer(buf, (std::size_t)num, 0, 0);
+ auto a = mbuf.release();
+ socket->async_thread_.add([socket = socket, a]() {
+ socket->tls_chunks_--;
+ socket->to_call_oncontentproduced_--;
+ auto mbuf = std::unique_ptr<utils::MemBuf>(a);
+ socket->last_segment_ += socket->ProducerSocket::produce(
+ socket->name_, std::move(mbuf), socket->tls_chunks_ == 0,
+ socket->last_segment_);
+ ProducerContentCallback on_content_produced_application;
+ socket->getSocketOption(ProducerCallbacksOptions::CONTENT_PRODUCED,
+ on_content_produced_application);
+ if (socket->to_call_oncontentproduced_ == 0 &&
+ on_content_produced_application) {
+ on_content_produced_application(*socket, std::error_code(), 0);
+ }
+ });
+ }
+
+ return num;
+}
+
+TLSProducerSocket::TLSProducerSocket(P2PSecureProducerSocket *parent,
+ const Name &handshake_name)
+ : ProducerSocket(),
+ on_content_produced_application_(),
+ mtx_(),
+ cv_(),
+ something_to_read_(),
+ name_(),
+ last_segment_(0),
+ parent_(parent),
+ first_(true),
+ handshake_name_(handshake_name),
+ tls_chunks_(0),
+ to_call_oncontentproduced_(0),
+ still_writing_(false),
+ encryption_thread_() {
+ const SSL_METHOD *meth = TLS_server_method();
+ ctx_ = SSL_CTX_new(meth);
+
+ /*
+ * Setup SSL context (identity and parameter to use TLS 1.3)
+ */
+ SSL_CTX_use_certificate(ctx_, parent->cert_509_);
+ SSL_CTX_use_PrivateKey(ctx_, parent->pkey_rsa_);
+
+ int result =
+ SSL_CTX_set_ciphersuites(ctx_,
+ "TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_"
+ "SHA256:TLS_AES_128_GCM_SHA256");
+ if (result != 1) {
+ throw errors::RuntimeException(
+ "Unable to set cipher list on TLS subsystem. Aborting.");
+ }
+
+ // We force it to be TLS 1.3
+ SSL_CTX_set_min_proto_version(ctx_, TLS1_3_VERSION);
+ SSL_CTX_set_max_proto_version(ctx_, TLS1_3_VERSION);
+ SSL_CTX_set_verify(ctx_, SSL_VERIFY_NONE, NULL);
+ SSL_CTX_set_num_tickets(ctx_, 0);
+
+ result = SSL_CTX_add_custom_ext(
+ ctx_, 100, SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS,
+ TLSProducerSocket::addHicnKeyIdCb, TLSProducerSocket::freeHicnKeyIdCb,
+ this, TLSProducerSocket::parseHicnKeyIdCb, NULL);
+
+ ssl_ = SSL_new(ctx_);
+ /*
+ * Setup this producer socker as the bio that TLS will use to write and read
+ * data (in stream mode)
+ */
+ BIO_METHOD *bio_meth =
+ BIO_meth_new(BIO_TYPE_ACCEPT, "secure producer socket");
+ BIO_meth_set_read(bio_meth, TLSProducerSocket::readOld);
+ BIO_meth_set_write(bio_meth, TLSProducerSocket::writeOld);
+ BIO_meth_set_ctrl(bio_meth, TLSProducerSocket::ctrl);
+ BIO *bio = BIO_new(bio_meth);
+ BIO_set_init(bio, 1);
+ BIO_set_data(bio, this);
+ SSL_set_bio(ssl_, bio, bio);
+ /*
+ * Set the callback so that when an interest is received we catch it and we
+ * decrypt the payload before passing it to the application.
+ */
+ this->ProducerSocket::setSocketOption(
+ ProducerCallbacksOptions::CACHE_MISS,
+ (ProducerInterestCallback)std::bind(&TLSProducerSocket::cacheMiss, this,
+ std::placeholders::_1,
+ std::placeholders::_2));
+ this->ProducerSocket::setSocketOption(
+ ProducerCallbacksOptions::CONTENT_PRODUCED,
+ (ProducerContentCallback)bind(
+ &TLSProducerSocket::onContentProduced, this, std::placeholders::_1,
+ std::placeholders::_2, std::placeholders::_3));
+}
+
+void TLSProducerSocket::accept() {
+ if (SSL_in_before(ssl_) || SSL_in_init(ssl_)) {
+ tls_chunks_ = 1;
+ int result = SSL_accept(ssl_);
+ if (result != 1)
+ throw errors::RuntimeException("Unable to perform client handshake");
+ }
+ TRANSPORT_LOGD("Handshake performed!");
+ parent_->list_secure_producers.push_front(
+ std::move(parent_->map_secure_producers[handshake_name_]));
+ parent_->map_secure_producers.erase(handshake_name_);
+
+ ProducerInterestCallback on_interest_process_decrypted;
+ getSocketOption(ProducerCallbacksOptions::CACHE_MISS,
+ on_interest_process_decrypted);
+
+ if (on_interest_process_decrypted) {
+ Interest inter(std::move(packet_));
+ on_interest_process_decrypted(*this, inter);
+ } else {
+ throw errors::RuntimeException(
+ "On interest process unset. Unable to perform handshake");
+ }
+}
+
+int TLSProducerSocket::async_accept() {
+ if (!async_thread_.stopped()) {
+ async_thread_.add([this]() { this->accept(); });
+ } else {
+ throw errors::RuntimeException(
+ "Async thread not running, impossible to perform handshake");
+ }
+
+ return 1;
+}
+
+void TLSProducerSocket::onInterest(ProducerSocket &p, Interest &interest) {
+ /* Based on the state machine of (D)TLS, we know what action to do */
+ if (SSL_in_before(ssl_) || SSL_in_init(ssl_)) {
+ std::unique_lock<std::mutex> lck(mtx_);
+ name_ = interest.getName();
+ something_to_read_ = true;
+ packet_ = interest.acquireMemBufReference();
+ if (head_) {
+ payload_->prependChain(interest.getPayload());
+ } else {
+ payload_ = interest.getPayload(); // std::move(interest.getPayload());
+ }
+ cv_.notify_one();
+ } else {
+ name_ = interest.getName();
+ packet_ = interest.acquireMemBufReference();
+ payload_ = interest.getPayload();
+ something_to_read_ = true;
+
+ if (interest.getPayload()->length() > 0)
+ SSL_read(
+ ssl_,
+ const_cast<unsigned char *>(interest.getPayload()->writableData()),
+ interest.getPayload()->length());
+ }
+
+ ProducerInterestCallback on_interest_input_decrypted;
+ getSocketOption(ProducerCallbacksOptions::INTEREST_INPUT,
+ on_interest_input_decrypted);
+ if (on_interest_input_decrypted)
+ (on_interest_input_decrypted)(*this, interest);
+}
+
+void TLSProducerSocket::cacheMiss(ProducerSocket &p, Interest &interest) {
+ if (SSL_in_before(ssl_) || SSL_in_init(ssl_)) {
+ std::unique_lock<std::mutex> lck(mtx_);
+ name_ = interest.getName();
+ something_to_read_ = true;
+ packet_ = interest.acquireMemBufReference();
+ payload_ = interest.getPayload();
+ cv_.notify_one();
+ } else {
+ name_ = interest.getName();
+ packet_ = interest.acquireMemBufReference();
+ payload_ = interest.getPayload();
+ something_to_read_ = true;
+
+ if (interest.getPayload()->length() > 0)
+ SSL_read(
+ ssl_,
+ const_cast<unsigned char *>(interest.getPayload()->writableData()),
+ interest.getPayload()->length());
+
+ if (on_interest_process_decrypted_ != VOID_HANDLER)
+ on_interest_process_decrypted_(*this, interest);
+ }
+}
+
+void TLSProducerSocket::onContentProduced(ProducerSocket &p,
+ const std::error_code &err,
+ uint64_t bytes_written) {}
+
+uint32_t TLSProducerSocket::produce(Name content_name,
+ std::unique_ptr<utils::MemBuf> &&buffer,
+ bool is_last, uint32_t start_offset) {
+ if (SSL_in_before(ssl_) || SSL_in_init(ssl_)) {
+ throw errors::RuntimeException(
+ "New handshake on the same P2P secure producer socket not supported");
+ }
+ size_t buf_size = buffer->length();
+ name_ = served_namespaces_.front().mapName(content_name);
+
+ tls_chunks_ = to_call_oncontentproduced_ =
+ ceil((float)buf_size / (float)SSL3_RT_MAX_PLAIN_LENGTH);
+
+ if (!is_last) {
+ tls_chunks_++;
+ }
+
+ last_segment_ = start_offset;
+
+ SSL_write(ssl_, buffer->data(), buf_size);
+ BIO *wbio = SSL_get_wbio(ssl_);
+ int i = BIO_flush(wbio);
+ (void)i; // To shut up gcc 5
+
+ return 0;
+}
+
+void TLSProducerSocket::asyncProduce(const Name &content_name,
+ const uint8_t *buf, size_t buffer_size,
+ bool is_last, uint32_t *start_offset) {
+ if (!encryption_thread_.stopped()) {
+ encryption_thread_.add([this, content_name, buffer = buf,
+ size = buffer_size, is_last, start_offset]() {
+ if (start_offset != NULL) {
+ produce(content_name, buffer, size, is_last, *start_offset);
+ } else {
+ produce(content_name, buffer, size, is_last, 0);
+ }
+ });
+ }
+}
+
+void TLSProducerSocket::asyncProduce(Name content_name,
+ std::unique_ptr<utils::MemBuf> &&buffer,
+ bool is_last, uint32_t offset,
+ uint32_t **last_segment) {
+ if (!encryption_thread_.stopped()) {
+ auto a = buffer.release();
+ encryption_thread_.add(
+ [this, content_name, a, is_last, offset, last_segment]() {
+ auto buf = std::unique_ptr<utils::MemBuf>(a);
+ if (last_segment != NULL) {
+ *last_segment = &last_segment_;
+ }
+ produce(content_name, std::move(buf), is_last, offset);
+ });
+ }
+}
+
+void TLSProducerSocket::asyncProduce(ContentObject &content_object) {
+ throw errors::RuntimeException("API not supported");
+}
+
+void TLSProducerSocket::produce(ContentObject &content_object) {
+ throw errors::RuntimeException("API not supported");
+}
+
+long TLSProducerSocket::ctrl(BIO *b, int cmd, long num, void *ptr) {
+ if (cmd == BIO_CTRL_FLUSH) {
+ }
+ return 1;
+}
+
+int TLSProducerSocket::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) {
+ TLSProducerSocket *socket = reinterpret_cast<TLSProducerSocket *>(add_arg);
+ if (ext_type == 100) {
+ ip_prefix_t ip_prefix =
+ socket->parent_->served_namespaces_.front().toIpPrefixStruct();
+ int inet_family =
+ socket->parent_->served_namespaces_.front().getAddressFamily();
+ uint16_t prefix_len_bits =
+ socket->parent_->served_namespaces_.front().getPrefixLength();
+ uint8_t prefix_len_bytes = prefix_len_bits / 8;
+ uint8_t prefix_len_u32 = prefix_len_bits / 32;
+
+ ip_prefix_t *out_ip = (ip_prefix_t *)malloc(sizeof(ip_prefix_t));
+ out_ip->family = inet_family;
+ out_ip->len = prefix_len_bits + 32;
+ u8 *out_ip_buf = const_cast<u8 *>(
+ ip_address_get_buffer(&(out_ip->address), inet_family));
+ *out = reinterpret_cast<unsigned char *>(out_ip);
+
+ RAND_bytes((unsigned char *)&socket->key_id_, 4);
+
+ memcpy(out_ip_buf, ip_address_get_buffer(&(ip_prefix.address), inet_family),
+ prefix_len_bytes);
+ memcpy((out_ip_buf + prefix_len_bytes), &socket->key_id_, 4);
+ *outlen = sizeof(ip_prefix_t);
+
+ ip_address_t mask = {};
+ ip_address_t keyId_component = {};
+ u32 *mask_buf;
+ u32 *keyId_component_buf;
+ switch (inet_family) {
+ case AF_INET:
+ mask_buf = &(mask.v4.as_u32);
+ keyId_component_buf = &(keyId_component.v4.as_u32);
+ break;
+ case AF_INET6:
+ mask_buf = mask.v6.as_u32;
+ keyId_component_buf = keyId_component.v6.as_u32;
+ break;
+ default:
+ throw errors::RuntimeException("Unknown protocol");
+ }
+
+ if (prefix_len_bits > (inet_family == AF_INET6 ? IPV6_ADDR_LEN_BITS - 32
+ : IPV4_ADDR_LEN_BITS - 32))
+ throw errors::RuntimeException(
+ "Not enough space in the content name to add key_id");
+
+ mask_buf[prefix_len_u32] = 0xffffffff;
+ keyId_component_buf[prefix_len_u32] = socket->key_id_;
+ socket->last_segment_ = 0;
+
+ socket->on_interest_process_decrypted_ =
+ socket->parent_->on_interest_process_decrypted_;
+
+ socket->registerPrefix(
+ Prefix(socket->parent_->served_namespaces_.front().getName(
+ Name(inet_family, (uint8_t *)&mask),
+ Name(inet_family, (uint8_t *)&keyId_component),
+ socket->parent_->served_namespaces_.front().getName()),
+ out_ip->len));
+ socket->connect();
+ }
+ return 1;
+}
+
+void TLSProducerSocket::freeHicnKeyIdCb(SSL *s, unsigned int ext_type,
+ unsigned int context,
+ const unsigned char *out,
+ void *add_arg) {
+ free(const_cast<unsigned char *>(out));
+}
+
+int TLSProducerSocket::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) {
+ return 1;
+}
+
+int TLSProducerSocket::setSocketOption(
+ int socket_option_key, ProducerInterestCallback socket_option_value) {
+ return rescheduleOnIOService(
+ socket_option_key, socket_option_value,
+ [this](int socket_option_key,
+ ProducerInterestCallback socket_option_value) -> int {
+ int result = SOCKET_OPTION_SET;
+ switch (socket_option_key) {
+ case ProducerCallbacksOptions::INTEREST_INPUT:
+ on_interest_input_decrypted_ = socket_option_value;
+ break;
+
+ case ProducerCallbacksOptions::INTEREST_DROP:
+ on_interest_dropped_input_buffer_ = socket_option_value;
+ break;
+
+ case ProducerCallbacksOptions::INTEREST_PASS:
+ on_interest_inserted_input_buffer_ = socket_option_value;
+ break;
+
+ case ProducerCallbacksOptions::CACHE_HIT:
+ on_interest_satisfied_output_buffer_ = socket_option_value;
+ break;
+
+ case ProducerCallbacksOptions::CACHE_MISS:
+ on_interest_process_decrypted_ = socket_option_value;
+ break;
+
+ default:
+ result = SOCKET_OPTION_NOT_SET;
+ break;
+ }
+ return result;
+ });
+}
+
+int TLSProducerSocket::setSocketOption(
+ int socket_option_key, ProducerContentCallback socket_option_value) {
+ return rescheduleOnIOService(
+ socket_option_key, socket_option_value,
+ [this](int socket_option_key,
+ ProducerContentCallback socket_option_value) -> int {
+ switch (socket_option_key) {
+ case ProducerCallbacksOptions::CONTENT_PRODUCED:
+ on_content_produced_application_ = socket_option_value;
+ break;
+
+ default:
+ return SOCKET_OPTION_NOT_SET;
+ }
+
+ return SOCKET_OPTION_SET;
+ });
+}
+
+int TLSProducerSocket::getSocketOption(
+ int socket_option_key, ProducerContentCallback **socket_option_value) {
+ return rescheduleOnIOService(
+ socket_option_key, socket_option_value,
+ [this](int socket_option_key,
+ ProducerContentCallback **socket_option_value) -> int {
+ switch (socket_option_key) {
+ case ProducerCallbacksOptions::CONTENT_PRODUCED:
+ *socket_option_value = &on_content_produced_application_;
+ break;
+
+ default:
+ return SOCKET_OPTION_NOT_GET;
+ }
+
+ return SOCKET_OPTION_GET;
+ });
+}
+
+int TLSProducerSocket::getSocketOption(
+ int socket_option_key, ProducerContentCallback &socket_option_value) {
+ return rescheduleOnIOServiceWithReference(
+ socket_option_key, socket_option_value,
+ [this](int socket_option_key,
+ ProducerContentCallback &socket_option_value) -> int {
+ switch (socket_option_key) {
+ case ProducerCallbacksOptions::CONTENT_PRODUCED:
+ socket_option_value = on_content_produced_application_;
+ break;
+
+ default:
+ return SOCKET_OPTION_NOT_GET;
+ }
+
+ return SOCKET_OPTION_GET;
+ });
+}
+
+int TLSProducerSocket::getSocketOption(
+ int socket_option_key, ProducerInterestCallback &socket_option_value) {
+ // Reschedule the function on the io_service to avoid race condition in case
+ // setSocketOption is called while the io_service is running.
+ return rescheduleOnIOServiceWithReference(
+ socket_option_key, socket_option_value,
+ [this](int socket_option_key,
+ ProducerInterestCallback &socket_option_value) -> int {
+ switch (socket_option_key) {
+ case ProducerCallbacksOptions::INTEREST_INPUT:
+ socket_option_value = on_interest_input_decrypted_;
+ break;
+
+ case ProducerCallbacksOptions::INTEREST_DROP:
+ socket_option_value = on_interest_dropped_input_buffer_;
+ break;
+
+ case ProducerCallbacksOptions::INTEREST_PASS:
+ socket_option_value = on_interest_inserted_input_buffer_;
+ break;
+
+ case ProducerCallbacksOptions::CACHE_HIT:
+ socket_option_value = on_interest_satisfied_output_buffer_;
+ break;
+
+ case ProducerCallbacksOptions::CACHE_MISS:
+ socket_option_value = on_interest_process_decrypted_;
+ break;
+
+ default:
+ return SOCKET_OPTION_NOT_GET;
+ }
+
+ return SOCKET_OPTION_GET;
+ });
+}
+
+} // namespace interface
+
+} // namespace transport
diff --git a/libtransport/src/hicn/transport/interfaces/tls_socket_producer.h b/libtransport/src/hicn/transport/interfaces/tls_socket_producer.h
new file mode 100644
index 0000000..4c09dda
--- /dev/null
+++ b/libtransport/src/hicn/transport/interfaces/tls_socket_producer.h
@@ -0,0 +1,163 @@
+/*
+ * 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 <hicn/transport/interfaces/socket_producer.h>
+#include <hicn/transport/utils/content_store.h>
+
+#include <openssl/ssl.h>
+#include <condition_variable>
+#include <mutex>
+
+namespace transport {
+
+namespace interface {
+
+class P2PSecureProducerSocket;
+
+class TLSProducerSocket : virtual public ProducerSocket {
+ friend class P2PSecureProducerSocket;
+
+ public:
+ explicit TLSProducerSocket(P2PSecureProducerSocket *parent,
+ const Name &handshake_name);
+ ~TLSProducerSocket() = default;
+
+ 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(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(ProducerSocket &p, const std::error_code &err,
+ uint64_t bytes_written);
+};
+
+} // namespace interface
+
+} // end namespace transport
diff --git a/libtransport/src/hicn/transport/protocols/incremental_indexer.h b/libtransport/src/hicn/transport/protocols/incremental_indexer.h
index ea84d64..b587a83 100644
--- a/libtransport/src/hicn/transport/protocols/incremental_indexer.h
+++ b/libtransport/src/hicn/transport/protocols/incremental_indexer.h
@@ -123,6 +123,10 @@ class IncrementalIndexer : public Indexer {
}
}
+ TRANSPORT_ALWAYS_INLINE bool onKeyToVerify() override {
+ return verification_manager_->onKeyToVerify();
+ }
+
protected:
interface::ConsumerSocket *socket_;
Reassembly *reassembly_;
diff --git a/libtransport/src/hicn/transport/protocols/indexer.cc b/libtransport/src/hicn/transport/protocols/indexer.cc
index c50c423..d95c10f 100644
--- a/libtransport/src/hicn/transport/protocols/indexer.cc
+++ b/libtransport/src/hicn/transport/protocols/indexer.cc
@@ -63,6 +63,10 @@ void IndexManager::onContentObject(core::Interest::Ptr &&interest,
}
}
+bool IndexManager::onKeyToVerify() {
+ return indexer_->onKeyToVerify();
+}
+
void IndexManager::reset(std::uint32_t offset) {
indexer_ = std::make_unique<IncrementalIndexer>(icn_socket_, transport_,
reassembly_);
@@ -71,4 +75,4 @@ void IndexManager::reset(std::uint32_t offset) {
}
} // namespace protocol
-} // namespace transport \ No newline at end of file
+} // namespace transport
diff --git a/libtransport/src/hicn/transport/protocols/indexer.h b/libtransport/src/hicn/transport/protocols/indexer.h
index 8975109..87cf9b3 100644
--- a/libtransport/src/hicn/transport/protocols/indexer.h
+++ b/libtransport/src/hicn/transport/protocols/indexer.h
@@ -57,6 +57,8 @@ class Indexer {
virtual void onContentObject(core::Interest::Ptr &&interest,
core::ContentObject::Ptr &&content_object) = 0;
+
+ virtual bool onKeyToVerify() = 0;
};
class IndexManager : Indexer {
@@ -87,6 +89,8 @@ class IndexManager : Indexer {
void onContentObject(core::Interest::Ptr &&interest,
core::ContentObject::Ptr &&content_object) override;
+ bool onKeyToVerify() override;
+
private:
std::unique_ptr<Indexer> indexer_;
bool first_segment_received_;
diff --git a/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.cc b/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.cc
new file mode 100644
index 0000000..5bf9c89
--- /dev/null
+++ b/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.cc
@@ -0,0 +1,297 @@
+/*
+ * 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.
+ */
+
+#include <hicn/transport/interfaces/socket_consumer.h>
+#include <hicn/transport/protocols/manifest_indexing_manager.h>
+
+#include <cmath>
+#include <deque>
+
+namespace transport {
+
+namespace protocol {
+
+using namespace interface;
+
+ManifestIndexManager::ManifestIndexManager(
+ interface::ConsumerSocket *icn_socket, TransportProtocol *next_interest)
+ : IncrementalIndexManager(icn_socket),
+ PacketManager<Interest>(1024),
+ next_to_retrieve_segment_(suffix_queue_.end()),
+ suffix_manifest_(core::NextSegmentCalculationStrategy::INCREMENTAL, 0),
+ next_reassembly_segment_(
+ core::NextSegmentCalculationStrategy::INCREMENTAL, 1, true),
+ ignored_segments_(),
+ next_interest_(next_interest) {}
+
+bool ManifestIndexManager::onManifest(
+ core::ContentObject::Ptr &&content_object) {
+ auto manifest =
+ std::make_unique<ContentObjectManifest>(std::move(*content_object));
+ bool manifest_verified = verification_manager_->onPacketToVerify(*manifest);
+
+ if (manifest_verified) {
+ manifest->decode();
+
+ if (TRANSPORT_EXPECT_FALSE(manifest->getVersion() !=
+ core::ManifestVersion::VERSION_1)) {
+ throw errors::RuntimeException("Received manifest with unknown version.");
+ }
+
+ switch (manifest->getManifestType()) {
+ case core::ManifestType::INLINE_MANIFEST: {
+ auto _it = manifest->getSuffixList().begin();
+ auto _end = manifest->getSuffixList().end();
+ size_t nb_segments = std::distance(_it, _end);
+ final_suffix_ = manifest->getFinalBlockNumber(); // final block number
+
+ TRANSPORT_LOGD("Received manifest %u",
+ manifest->getWritableName().getSuffix());
+ suffix_hash_map_[_it->first] =
+ std::make_pair(std::vector<uint8_t>(_it->second, _it->second + 32),
+ manifest->getHashAlgorithm());
+ suffix_queue_.push_back(_it->first);
+
+ // If the transport protocol finished the list of segments to retrieve,
+ // reset the next_to_retrieve_segment_ iterator to the next segment
+ // provided by this manifest.
+ if (TRANSPORT_EXPECT_FALSE(next_to_retrieve_segment_ ==
+ suffix_queue_.end())) {
+ next_to_retrieve_segment_ = --suffix_queue_.end();
+ }
+
+ std::advance(_it, 1);
+ for (; _it != _end; _it++) {
+ suffix_hash_map_[_it->first] = std::make_pair(
+ std::vector<uint8_t>(_it->second, _it->second + 32),
+ manifest->getHashAlgorithm());
+ suffix_queue_.push_back(_it->first);
+ }
+
+ if (TRANSPORT_EXPECT_FALSE(manifest->getName().getSuffix()) == 0) {
+ core::NextSegmentCalculationStrategy strategy =
+ manifest->getNextSegmentCalculationStrategy();
+
+ suffix_manifest_.reset(0);
+ suffix_manifest_.setNbSegments(nb_segments);
+ suffix_manifest_.setSuffixStrategy(strategy);
+ TRANSPORT_LOGD("Capacity of 1st manifest %zu",
+ suffix_manifest_.getNbSegments());
+
+ next_reassembly_segment_.reset(*suffix_queue_.begin());
+ next_reassembly_segment_.setNbSegments(nb_segments);
+ suffix_manifest_.setSuffixStrategy(strategy);
+ }
+
+ // If the manifest is not full, we add the suffixes of missing segments
+ // to the list of segments to ignore when computing the next reassembly
+ // index.
+ if (TRANSPORT_EXPECT_FALSE(
+ suffix_manifest_.getNbSegments() - nb_segments > 0)) {
+ auto start = manifest->getSuffixList().begin();
+ auto last = --_end;
+ for (uint32_t i = last->first + 1;
+ i < start->first + suffix_manifest_.getNbSegments(); i++) {
+ ignored_segments_.push_back(i);
+ }
+ }
+
+ if (TRANSPORT_EXPECT_FALSE(manifest->isFinalManifest()) == 0) {
+ fillWindow(manifest->getWritableName(),
+ manifest->getName().getSuffix());
+ }
+
+ break;
+ }
+ case core::ManifestType::FLIC_MANIFEST: {
+ throw errors::NotImplementedException();
+ }
+ case core::ManifestType::FINAL_CHUNK_NUMBER: {
+ throw errors::NotImplementedException();
+ }
+ }
+ }
+
+ return manifest_verified;
+}
+
+void ManifestIndexManager::onManifestReceived(Interest::Ptr &&i,
+ ContentObject::Ptr &&c) {
+ onManifest(std::move(c));
+ if (next_interest_) {
+ next_interest_->scheduleNextInterests();
+ }
+}
+
+void ManifestIndexManager::onManifestTimeout(Interest::Ptr &&i) {
+ const Name &n = i->getName();
+ uint32_t segment = n.getSuffix();
+
+ if (segment > final_suffix_) {
+ return;
+ }
+
+ TRANSPORT_LOGD("Timeout on manifest %u", segment);
+ // Get portal
+ std::shared_ptr<interface::BasePortal> portal;
+ socket_->getSocketOption(GeneralTransportOptions::PORTAL, portal);
+
+ // Send requests for manifest out of the congestion window (no
+ // in_flight_interests++)
+ portal->sendInterest(
+ std::move(i),
+ std::bind(&ManifestIndexManager::onManifestReceived, this,
+ std::placeholders::_1, std::placeholders::_2),
+ std::bind(&ManifestIndexManager::onManifestTimeout, this,
+ std::placeholders::_1));
+}
+
+void ManifestIndexManager::fillWindow(Name &name, uint32_t current_manifest) {
+ /* Send as many manifest as required for filling window. */
+ uint32_t interest_lifetime;
+ double window_size;
+ std::shared_ptr<interface::BasePortal> portal;
+ Interest::Ptr interest;
+ uint32_t current_segment = *next_to_retrieve_segment_;
+ // suffix_manifest_ now points to the next manifest to request
+ uint32_t last_requested_manifest = (suffix_manifest_++).getSuffix();
+
+ socket_->getSocketOption(GeneralTransportOptions::PORTAL, portal);
+ socket_->getSocketOption(GeneralTransportOptions::INTEREST_LIFETIME,
+ interest_lifetime);
+ socket_->getSocketOption(GeneralTransportOptions::CURRENT_WINDOW_SIZE,
+ window_size);
+
+ if (TRANSPORT_EXPECT_FALSE(suffix_manifest_.getSuffix() >= final_suffix_)) {
+ suffix_manifest_.updateSuffix(last_requested_manifest);
+ return;
+ }
+
+ if (current_segment + window_size < suffix_manifest_.getSuffix() &&
+ current_manifest != last_requested_manifest) {
+ suffix_manifest_.updateSuffix(last_requested_manifest);
+ return;
+ }
+
+ do {
+ interest = getPacket();
+ name.setSuffix(suffix_manifest_.getSuffix());
+ interest->setName(name);
+ interest->setLifetime(interest_lifetime);
+
+ // Send interests for manifest out of the congestion window (no
+ // in_flight_interests++)
+ portal->sendInterest(
+ std::move(interest),
+ std::bind(&ManifestIndexManager::onManifestReceived, this,
+ std::placeholders::_1, std::placeholders::_2),
+ std::bind(&ManifestIndexManager::onManifestTimeout, this,
+ std::placeholders::_1));
+ TRANSPORT_LOGD("Send manifest interest %u", name.getSuffix());
+
+ last_requested_manifest = (suffix_manifest_++).getSuffix();
+ } while (current_segment + window_size >= suffix_manifest_.getSuffix() &&
+ suffix_manifest_.getSuffix() < final_suffix_);
+
+ // suffix_manifest_ now points to the last requested manifest
+ suffix_manifest_.updateSuffix(last_requested_manifest);
+}
+
+bool ManifestIndexManager::onContentObject(
+ const core::ContentObject &content_object) {
+ bool verify_signature;
+ socket_->getSocketOption(GeneralTransportOptions::VERIFY_SIGNATURE,
+ verify_signature);
+
+ if (!verify_signature) {
+ return true;
+ }
+
+ uint64_t segment = content_object.getName().getSuffix();
+
+ bool ret = false;
+
+ auto it = suffix_hash_map_.find((const unsigned int)segment);
+ if (it != suffix_hash_map_.end()) {
+ auto hash_type = static_cast<utils::CryptoHashType>(it->second.second);
+ auto data_packet_digest = content_object.computeDigest(it->second.second);
+ auto data_packet_digest_bytes =
+ data_packet_digest.getDigest<uint8_t>().data();
+ std::vector<uint8_t> &manifest_digest_bytes = it->second.first;
+
+ if (utils::CryptoHash::compareBinaryDigest(data_packet_digest_bytes,
+ manifest_digest_bytes.data(),
+ hash_type)) {
+ suffix_hash_map_.erase(it);
+ ret = true;
+ } else {
+ throw errors::RuntimeException(
+ "Verification failure policy has to be implemented.");
+ }
+ }
+
+ return ret;
+}
+
+uint32_t ManifestIndexManager::getNextSuffix() {
+ if (TRANSPORT_EXPECT_FALSE(next_to_retrieve_segment_ ==
+ suffix_queue_.end())) {
+ return invalid_index;
+ }
+
+ return *next_to_retrieve_segment_++;
+}
+
+uint32_t ManifestIndexManager::getFinalSuffix() { return final_suffix_; }
+
+bool ManifestIndexManager::isFinalSuffixDiscovered() {
+ return IncrementalIndexManager::isFinalSuffixDiscovered();
+}
+
+uint32_t ManifestIndexManager::getNextReassemblySegment() {
+ uint32_t current_reassembly_segment;
+
+ while (true) {
+ current_reassembly_segment = next_reassembly_segment_.getSuffix();
+ next_reassembly_segment_++;
+
+ if (TRANSPORT_EXPECT_FALSE(current_reassembly_segment > final_suffix_)) {
+ return invalid_index;
+ }
+
+ if (ignored_segments_.empty()) break;
+
+ auto is_ignored =
+ std::find(ignored_segments_.begin(), ignored_segments_.end(),
+ current_reassembly_segment);
+
+ if (is_ignored == ignored_segments_.end()) break;
+
+ ignored_segments_.erase(is_ignored);
+ }
+
+ return current_reassembly_segment;
+}
+
+void ManifestIndexManager::reset() {
+ IncrementalIndexManager::reset();
+ suffix_manifest_.reset(0);
+ suffix_queue_.clear();
+ suffix_hash_map_.clear();
+}
+
+} // end namespace protocol
+
+} // end namespace transport
diff --git a/libtransport/src/hicn/transport/protocols/protocol.cc b/libtransport/src/hicn/transport/protocols/protocol.cc
index a0f8474..db461a6 100644
--- a/libtransport/src/hicn/transport/protocols/protocol.cc
+++ b/libtransport/src/hicn/transport/protocols/protocol.cc
@@ -96,6 +96,8 @@ void TransportProtocol::onContentReassembled(std::error_code ec) {
}
stop();
+
+ on_payload->afterRead();
}
} // end namespace protocol
diff --git a/libtransport/src/hicn/transport/protocols/protocol.h b/libtransport/src/hicn/transport/protocols/protocol.h
index 87fab58..4897da9 100644
--- a/libtransport/src/hicn/transport/protocols/protocol.h
+++ b/libtransport/src/hicn/transport/protocols/protocol.h
@@ -60,6 +60,8 @@ class TransportProtocol : public interface::BasePortal::ConsumerCallback,
virtual void resume();
+ virtual bool verifyKeyPackets() = 0;
+
virtual void scheduleNextInterests() = 0;
// Events generated by the indexing
diff --git a/libtransport/src/hicn/transport/protocols/raaqm.cc b/libtransport/src/hicn/transport/protocols/raaqm.cc
index 641ae45..984470e 100644
--- a/libtransport/src/hicn/transport/protocols/raaqm.cc
+++ b/libtransport/src/hicn/transport/protocols/raaqm.cc
@@ -115,7 +115,12 @@ void RaaqmTransportProtocol::reset() {
t0_ = utils::SteadyClock::now();
}
+bool RaaqmTransportProtocol::verifyKeyPackets() {
+ return index_manager_->onKeyToVerify();
+}
+
void RaaqmTransportProtocol::increaseWindow() {
+ // return;
double max_window_size = 0.;
socket_->getSocketOption(GeneralTransportOptions::MAX_WINDOW_SIZE,
max_window_size);
@@ -131,6 +136,7 @@ void RaaqmTransportProtocol::increaseWindow() {
}
void RaaqmTransportProtocol::decreaseWindow() {
+ // return;
double min_window_size = 0.;
socket_->getSocketOption(GeneralTransportOptions::MIN_WINDOW_SIZE,
min_window_size);
@@ -404,7 +410,7 @@ void RaaqmTransportProtocol::onTimeout(Interest::Ptr &&interest) {
const Name &n = interest->getName();
- TRANSPORT_LOGW("Timeout on %s", n.toString().c_str());
+ TRANSPORT_LOGW("Timeout on content %s", n.toString().c_str());
if (TRANSPORT_EXPECT_FALSE(!is_running_)) {
return;
@@ -474,21 +480,27 @@ void RaaqmTransportProtocol::scheduleNextInterests() {
// send at least one interest if there are retransmissions to perform and
// there is no space left in the window
sendInterest(std::move(interest_to_retransmit_.front()));
+ TRANSPORT_LOGD("Window full, retransmit one content interest");
interest_to_retransmit_.pop();
}
uint32_t index = IndexManager::invalid_index;
+
// Send the interest needed for filling the window
while (interests_in_flight_ < current_window_size_) {
if (interest_to_retransmit_.size() > 0) {
sendInterest(std::move(interest_to_retransmit_.front()));
+ TRANSPORT_LOGD("Retransmit content interest");
interest_to_retransmit_.pop();
} else {
index = index_manager_->getNextSuffix();
if (index == IndexManager::invalid_index) {
+ TRANSPORT_LOGE("INVALID INDEX %d", index);
break;
}
+
sendInterest(index);
+ TRANSPORT_LOGD("Send content interest %u", index);
}
}
}
diff --git a/libtransport/src/hicn/transport/protocols/raaqm.h b/libtransport/src/hicn/transport/protocols/raaqm.h
index 7fc540c..f2d819e 100644
--- a/libtransport/src/hicn/transport/protocols/raaqm.h
+++ b/libtransport/src/hicn/transport/protocols/raaqm.h
@@ -42,6 +42,8 @@ class RaaqmTransportProtocol : public TransportProtocol,
void reset() override;
+ virtual bool verifyKeyPackets() override;
+
protected:
static constexpr uint32_t buffer_size =
1 << interface::default_values::log_2_default_buffer_size;
@@ -136,4 +138,4 @@ class RaaqmTransportProtocol : public TransportProtocol,
} // end namespace protocol
-} // end namespace transport \ No newline at end of file
+} // end namespace transport
diff --git a/libtransport/src/hicn/transport/protocols/rate_estimation.cc b/libtransport/src/hicn/transport/protocols/rate_estimation.cc
index 99fc78c..50306e6 100644
--- a/libtransport/src/hicn/transport/protocols/rate_estimation.cc
+++ b/libtransport/src/hicn/transport/protocols/rate_estimation.cc
@@ -186,7 +186,7 @@ void ALaTcpEstimator::onDataReceived(int packet_size) {
SimpleEstimator::SimpleEstimator(double alphaArg, int batching_param) {
this->estimation_ = 0.0;
this->estimated_ = false;
- this->observer_ = NULL;
+ this->observer_ = nullptr;
this->batching_param_ = batching_param;
this->total_size_ = 0.0;
this->number_of_packets_ = 0;
@@ -260,7 +260,7 @@ void SimpleEstimator::onDataReceived(int packet_size) {
void SimpleEstimator::onRttUpdate(double rtt) {
this->number_of_packets_++;
- if (number_of_packets_ == this->batching_param_) {
+ if (this->number_of_packets_ == this->batching_param_) {
TimePoint end = std::chrono::steady_clock::now();
auto delay =
std::chrono::duration_cast<Microseconds>(end - this->begin_batch_)
diff --git a/libtransport/src/hicn/transport/protocols/rtc.cc b/libtransport/src/hicn/transport/protocols/rtc.cc
index e371217..fece95d 100644
--- a/libtransport/src/hicn/transport/protocols/rtc.cc
+++ b/libtransport/src/hicn/transport/protocols/rtc.cc
@@ -48,10 +48,22 @@ RTCTransportProtocol::~RTCTransportProtocol() {
}
int RTCTransportProtocol::start() {
+ if (is_running_) return -1;
+
+ reset();
+ is_first_ = true;
+
probeRtt();
sentinelTimer();
newRound();
- return TransportProtocol::start();
+ scheduleNextInterests();
+
+ is_first_ = false;
+ is_running_ = true;
+ portal_->runEventsLoop();
+ is_running_ = false;
+
+ return 0;
}
void RTCTransportProtocol::stop() {
@@ -65,7 +77,6 @@ void RTCTransportProtocol::resume() {
if (is_running_) return;
is_running_ = true;
-
inflightInterestsCount_ = 0;
probeRtt();
@@ -74,7 +85,6 @@ void RTCTransportProtocol::resume() {
scheduleNextInterests();
portal_->runEventsLoop();
-
is_running_ = false;
}
@@ -190,7 +200,6 @@ void RTCTransportProtocol::updateDelayStats(
// we collect OWD only for datapackets
if (payload->length() != HICN_NACK_HEADER_SIZE) {
uint64_t *senderTimeStamp = (uint64_t *)payload->data();
-
int64_t OWD = std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now().time_since_epoch())
.count() -
@@ -288,7 +297,6 @@ void RTCTransportProtocol::updateStats(uint32_t round_duration) {
stats_->updateAverageRtt(pathTable_[producerPathLabels_[1]]->getMinRtt());
(*stats_callback)(*socket_, *stats_);
}
-
// bound also by interest lifitime* production rate
if (!gotNack_) {
roundsWithoutNacks_++;
@@ -403,6 +411,15 @@ void RTCTransportProtocol::increaseWindow() {
}
void RTCTransportProtocol::probeRtt() {
+ probe_timer_->expires_from_now(std::chrono::milliseconds(1000));
+ probe_timer_->async_wait([this](std::error_code ec) {
+ if (ec) return;
+ probeRtt();
+ });
+
+ // To avoid sending the first probe, because the transport is not running yet
+ if (is_first_ && !is_running_) return;
+
time_sent_probe_ = std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now().time_since_epoch())
.count();
@@ -419,13 +436,9 @@ void RTCTransportProtocol::probeRtt() {
// we considere the probe as a rtx so that we do not incresea inFlightInt
received_probe_ = false;
+ TRANSPORT_LOGD("Send content interest %u (probeRtt)",
+ interest_name->getSuffix());
sendInterest(interest_name, true);
-
- probe_timer_->expires_from_now(std::chrono::milliseconds(1000));
- probe_timer_->async_wait([this](std::error_code ec) {
- if (ec) return;
- probeRtt();
- });
}
void RTCTransportProtocol::sendInterest(Name *interest_name, bool rtx) {
@@ -463,6 +476,10 @@ void RTCTransportProtocol::sendInterest(Name *interest_name, bool rtx) {
void RTCTransportProtocol::scheduleNextInterests() {
if (!is_running_ && !is_first_) return;
+ TRANSPORT_LOGD("----- [window %u - inflight_interests %u = %d] -----",
+ currentCWin_, inflightInterestsCount_,
+ currentCWin_ - inflightInterestsCount_);
+
while (inflightInterestsCount_ < currentCWin_) {
Name *interest_name = nullptr;
socket_->getSocketOption(GeneralTransportOptions::NETWORK_NAME,
@@ -479,6 +496,9 @@ void RTCTransportProtocol::scheduleNextInterests() {
inflightInterests_[pkt].state = sent_;
inflightInterests_[pkt].sequence = actualSegment_;
actualSegment_ = (actualSegment_ + 1) % HICN_MIN_PROBE_SEQ;
+ TRANSPORT_LOGD(
+ "Send content interest %u (scheduleNextInterests no replies)",
+ interest_name->getSuffix());
sendInterest(interest_name, false);
return;
}
@@ -515,8 +535,17 @@ void RTCTransportProtocol::scheduleNextInterests() {
inflightInterests_[pkt].sequence = actualSegment_;
actualSegment_ = (actualSegment_ + 1) % HICN_MIN_PROBE_SEQ;
+ TRANSPORT_LOGD("Send content interest %u (scheduleNextInterests)",
+ interest_name->getSuffix());
sendInterest(interest_name, false);
}
+
+ TRANSPORT_LOGD("----- end of scheduleNextInterest -----");
+}
+
+bool RTCTransportProtocol::verifyKeyPackets() {
+ // Not yet implemented
+ return false;
}
void RTCTransportProtocol::sentinelTimer() {
@@ -703,6 +732,8 @@ uint64_t RTCTransportProtocol::retransmit() {
socket_->getSocketOption(GeneralTransportOptions::NETWORK_NAME,
&interest_name);
interest_name->setSuffix(it->first);
+ TRANSPORT_LOGD("Send content interest %u (retransmit)",
+ interest_name->getSuffix());
sendInterest(interest_name, true);
} else if (rtx_time < smallest_timeout) {
smallest_timeout = rtx_time;
@@ -866,6 +897,7 @@ void RTCTransportProtocol::onContentObject(
}
if (segmentNumber >= HICN_MIN_PROBE_SEQ) {
+ TRANSPORT_LOGD("Received probe %u", segmentNumber);
if (segmentNumber == probe_seq_number_ && !received_probe_) {
received_probe_ = true;
@@ -899,6 +931,8 @@ void RTCTransportProtocol::onContentObject(
}
if (payload_size == HICN_NACK_HEADER_SIZE) {
+ TRANSPORT_LOGD("Received nack %u", segmentNumber);
+
if (inflightInterests_[pkt].state == sent_) {
lastEvent_ = std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now().time_since_epoch())
@@ -930,6 +964,8 @@ void RTCTransportProtocol::onContentObject(
}
} else {
+ TRANSPORT_LOGD("Received content %u", segmentNumber);
+
avgPacketSize_ = (HICN_ESTIMATED_PACKET_SIZE * avgPacketSize_) +
((1 - HICN_ESTIMATED_PACKET_SIZE) * payload->length());
diff --git a/libtransport/src/hicn/transport/protocols/rtc.h b/libtransport/src/hicn/transport/protocols/rtc.h
index 9e1731e..f34afbb 100644
--- a/libtransport/src/hicn/transport/protocols/rtc.h
+++ b/libtransport/src/hicn/transport/protocols/rtc.h
@@ -81,8 +81,8 @@ typedef enum packetState packetState_t;
struct sentInterest {
uint64_t transmissionTime;
- uint32_t sequence; // sequence number of the interest sent
- // to handle seq % buffer_size
+ uint32_t sequence; // sequence number of the interest sent
+ // to handle seq % buffer_size
packetState_t state; // see packet state
};
@@ -99,6 +99,8 @@ class RTCTransportProtocol : public TransportProtocol,
void resume() override;
+ bool verifyKeyPackets() override;
+
private:
// algo functions
void reset() override;
diff --git a/libtransport/src/hicn/transport/protocols/statistics.h b/libtransport/src/hicn/transport/protocols/statistics.h
index d5e89b9..c92940a 100644
--- a/libtransport/src/hicn/transport/protocols/statistics.h
+++ b/libtransport/src/hicn/transport/protocols/statistics.h
@@ -82,9 +82,7 @@ class TransportStatistics {
return interest_tx_;
}
- TRANSPORT_ALWAYS_INLINE double getLossRatio() const {
- return loss_ratio_;
- }
+ TRANSPORT_ALWAYS_INLINE double getLossRatio() const { return loss_ratio_; }
TRANSPORT_ALWAYS_INLINE double getQueuingDelay() const {
return queuing_delay_;
diff --git a/libtransport/src/hicn/transport/protocols/verification_manager.cc b/libtransport/src/hicn/transport/protocols/verification_manager.cc
index f45cab7..74faf05 100644
--- a/libtransport/src/hicn/transport/protocols/verification_manager.cc
+++ b/libtransport/src/hicn/transport/protocols/verification_manager.cc
@@ -13,9 +13,8 @@
* limitations under the License.
*/
-#include <hicn/transport/protocols/verification_manager.h>
-
#include <hicn/transport/interfaces/socket_consumer.h>
+#include <hicn/transport/protocols/verification_manager.h>
namespace transport {
@@ -25,20 +24,30 @@ interface::VerificationPolicy SignatureVerificationManager::onPacketToVerify(
const Packet& packet) {
using namespace interface;
- bool verify_signature;
+ bool verify_signature = false, key_content = false;
VerificationPolicy ret = VerificationPolicy::DROP_PACKET;
- ConsumerContentObjectVerificationFailedCallback*
- verification_failed_callback = VOID_HANDLER;
icn_socket_->getSocketOption(GeneralTransportOptions::VERIFY_SIGNATURE,
verify_signature);
+ icn_socket_->getSocketOption(GeneralTransportOptions::KEY_CONTENT,
+ key_content);
if (!verify_signature) {
return VerificationPolicy::ACCEPT_PACKET;
}
+ if (key_content) {
+ key_packets_.push(copyPacket(packet));
+ return VerificationPolicy::ACCEPT_PACKET;
+ } else if (!key_packets_.empty()) {
+ std::queue<ContentObjectPtr>().swap(key_packets_);
+ }
+
+ ConsumerContentObjectVerificationFailedCallback*
+ verification_failed_callback = VOID_HANDLER;
icn_socket_->getSocketOption(ConsumerCallbacksOptions::VERIFICATION_FAILED,
&verification_failed_callback);
+
if (!verification_failed_callback) {
throw errors::RuntimeException(
"No verification failed callback provided by application. "
@@ -66,6 +75,22 @@ interface::VerificationPolicy SignatureVerificationManager::onPacketToVerify(
return ret;
}
+bool SignatureVerificationManager::onKeyToVerify() {
+ if (TRANSPORT_EXPECT_FALSE(key_packets_.empty())) {
+ throw errors::RuntimeException("No key to verify.");
+ }
+
+ while (!key_packets_.empty()) {
+ ContentObjectPtr packet_to_verify = key_packets_.front();
+ key_packets_.pop();
+ if (onPacketToVerify(*packet_to_verify) !=
+ VerificationPolicy::ACCEPT_PACKET)
+ return false;
+ }
+
+ return true;
+}
+
} // end namespace protocol
} // end namespace transport
diff --git a/libtransport/src/hicn/transport/protocols/verification_manager.h b/libtransport/src/hicn/transport/protocols/verification_manager.h
index 6e5d321..293e810 100644
--- a/libtransport/src/hicn/transport/protocols/verification_manager.h
+++ b/libtransport/src/hicn/transport/protocols/verification_manager.h
@@ -30,22 +30,36 @@ namespace protocol {
using Packet = core::Packet;
using interface::ConsumerSocket;
using interface::VerificationPolicy;
+using ContentObjectPtr = std::shared_ptr<core::ContentObject>;
class VerificationManager {
public:
virtual ~VerificationManager() = default;
virtual VerificationPolicy onPacketToVerify(const Packet& packet) = 0;
+ virtual bool onKeyToVerify() { return false; }
};
class SignatureVerificationManager : public VerificationManager {
public:
- SignatureVerificationManager(ConsumerSocket* icn_socket)
- : icn_socket_(icn_socket) {}
+ SignatureVerificationManager(interface::ConsumerSocket* icn_socket)
+ : icn_socket_(icn_socket), key_packets_() {}
interface::VerificationPolicy onPacketToVerify(const Packet& packet) override;
+ bool onKeyToVerify() override;
private:
ConsumerSocket* icn_socket_;
+ std::queue<ContentObjectPtr> key_packets_;
+
+ ContentObjectPtr copyPacket(const Packet& packet) {
+ std::shared_ptr<utils::MemBuf> packet_copy =
+ packet.acquireMemBufReference();
+ ContentObjectPtr content_object_copy =
+ std::make_shared<core::ContentObject>(std::move(packet_copy));
+ std::unique_ptr<utils::MemBuf> payload_copy = packet.getPayload();
+ content_object_copy->appendPayload(std::move(payload_copy));
+ return content_object_copy;
+ }
};
} // end namespace protocol
diff --git a/libtransport/src/hicn/transport/utils/content_store.cc b/libtransport/src/hicn/transport/utils/content_store.cc
index 8e34355..ba13bef 100644
--- a/libtransport/src/hicn/transport/utils/content_store.cc
+++ b/libtransport/src/hicn/transport/utils/content_store.cc
@@ -40,41 +40,48 @@ void ContentStore::insert(
content_store_hash_table_.size(), fifo_list_.size());
}
- // Check if the content can be cached
- if (content_object->getLifetime() > 0) {
- if (content_store_hash_table_.size() >= max_content_store_size_) {
- content_store_hash_table_.erase(fifo_list_.back());
- fifo_list_.pop_back();
- }
-
- // Insert new item
-
- auto it = content_store_hash_table_.find(content_object->getName());
- if (it != content_store_hash_table_.end()) {
- fifo_list_.erase(it->second.second);
- content_store_hash_table_.erase(content_object->getName());
- }
+ if (content_store_hash_table_.size() >= max_content_store_size_) {
+ content_store_hash_table_.erase(fifo_list_.back());
+ fifo_list_.pop_back();
+ }
- fifo_list_.push_front(std::cref(content_object->getName()));
- auto pos = fifo_list_.begin();
- content_store_hash_table_[content_object->getName()] = ContentStoreEntry(
- ObjectTimeEntry(content_object, std::chrono::steady_clock::now()), pos);
+ // Insert new item
+ auto it = content_store_hash_table_.find(content_object->getName());
+ if (it != content_store_hash_table_.end()) {
+ fifo_list_.erase(it->second.second);
+ content_store_hash_table_.erase(content_object->getName());
}
+
+ fifo_list_.push_front(std::cref(content_object->getName()));
+ auto pos = fifo_list_.begin();
+ content_store_hash_table_[content_object->getName()] = ContentStoreEntry(
+ ObjectTimeEntry(content_object, std::chrono::steady_clock::now()), pos);
}
const std::shared_ptr<ContentObject> ContentStore::find(
const Interest &interest) {
utils::SpinLock::Acquire locked(cs_mutex_);
+
+ std::shared_ptr<ContentObject> ret = empty_reference_;
auto it = content_store_hash_table_.find(interest.getName());
if (it != content_store_hash_table_.end()) {
- if (std::chrono::duration_cast<std::chrono::milliseconds>(
+
+ auto content_lifetime = it->second.first.first->getLifetime();
+ auto time_passed_since_creation =
+ std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now() - it->second.first.second)
- .count() < it->second.first.first->getLifetime()) {
- return it->second.first.first;
+ .count();
+
+ if (time_passed_since_creation > content_lifetime) {
+ fifo_list_.erase(it->second.second);
+ content_store_hash_table_.erase(it);
+ }
+ else {
+ ret = it->second.first.first;
}
}
- return empty_reference_;
+ return ret;
}
void ContentStore::erase(const Name &exact_name) {
@@ -103,7 +110,10 @@ void ContentStore::printContent() {
for (auto &item : content_store_hash_table_) {
if (item.second.first.first->getPayloadType() ==
transport::core::PayloadType::MANIFEST) {
- TRANSPORT_LOGI("Manifest: %s\n",
+ TRANSPORT_LOGI("Manifest: %s",
+ item.second.first.first->getName().toString().c_str());
+ } else {
+ TRANSPORT_LOGI("Data Packet: %s",
item.second.first.first->getName().toString().c_str());
}
}
diff --git a/libtransport/src/hicn/transport/utils/content_store.h b/libtransport/src/hicn/transport/utils/content_store.h
index f7dc418..613ffcb 100644
--- a/libtransport/src/hicn/transport/utils/content_store.h
+++ b/libtransport/src/hicn/transport/utils/content_store.h
@@ -16,6 +16,7 @@
#pragma once
#include <hicn/transport/interfaces/socket.h>
+#include <hicn/transport/utils/spinlock.h>
#include <mutex>
diff --git a/libtransport/src/hicn/transport/utils/identity.cc b/libtransport/src/hicn/transport/utils/identity.cc
index d841295..c5ab03e 100644
--- a/libtransport/src/hicn/transport/utils/identity.cc
+++ b/libtransport/src/hicn/transport/utils/identity.cc
@@ -49,18 +49,14 @@ Identity::Identity(const std::string &keystore_name,
identity_,
parcCryptoSuite_GetCryptoHash(static_cast<PARCCryptoSuite>(suite)));
- signer_ = std::make_shared<Signer>(signer);
-
- signature_length_ = (unsigned int)parcSigner_GetSignatureSize(signer);
+ signer_ = std::make_shared<Signer>(signer, suite);
parcSigner_Release(&signer);
parcIdentityFile_Release(&identity_file);
}
Identity::Identity(const Identity &other)
- : signer_(other.signer_),
- hash_algorithm_(other.hash_algorithm_),
- signature_length_(other.signature_length_) {
+ : signer_(other.signer_), hash_algorithm_(other.hash_algorithm_) {
parcSecurity_Init();
identity_ = parcIdentity_Acquire(other.identity_);
}
@@ -90,27 +86,13 @@ Identity::Identity(std::string &file_name, std::string &password,
PARCSigner *signer = parcIdentity_CreateSigner(
identity_, static_cast<PARCCryptoHashType>(hash_algorithm));
- signer_ = std::make_shared<Signer>(signer);
-
- signature_length_ = (unsigned int)parcSigner_GetSignatureSize(signer);
+ signer_ = std::make_shared<Signer>(
+ signer, CryptoSuite(parcSigner_GetCryptoSuite(signer)));
parcSigner_Release(&signer);
parcIdentityFile_Release(&identity_file);
}
-// Identity::Identity(Identity &&other) {
-// identity_ = parcIdentity_Acquire(other.identity_);
-//}
-
-// Identity& Identity::operator=(const Identity& other) {
-// signer_ = other.signer_;
-// hash_algorithm_ = other.hash_algorithm_;
-// signature_length_ = other.signature_length_;
-// identity_ = parcIdentity_Acquire(other.identity_);
-
-// parcSecurity_Init();
-// }
-
Identity::~Identity() {
parcIdentity_Release(&identity_);
parcSecurity_Fini();
@@ -124,8 +106,10 @@ std::string Identity::getPassword() {
return std::string(parcIdentity_GetPassWord(identity_));
}
-Signer &Identity::getSigner() { return *signer_; }
+std::shared_ptr<Signer> Identity::getSigner() { return signer_; }
-unsigned int Identity::getSignatureLength() const { return signature_length_; }
+size_t Identity::getSignatureLength() const {
+ return signer_->getSignatureLength();
+}
} // namespace utils
diff --git a/libtransport/src/hicn/transport/utils/identity.h b/libtransport/src/hicn/transport/utils/identity.h
index 349b389..e9801a0 100644
--- a/libtransport/src/hicn/transport/utils/identity.h
+++ b/libtransport/src/hicn/transport/utils/identity.h
@@ -49,15 +49,14 @@ class Identity {
std::string getPassword();
- Signer &getSigner();
+ std::shared_ptr<Signer> getSigner();
- unsigned int getSignatureLength() const;
+ size_t getSignatureLength() const;
private:
PARCIdentity *identity_;
std::shared_ptr<Signer> signer_;
transport::core::HashAlgorithm hash_algorithm_;
- unsigned int signature_length_;
};
} // namespace utils
diff --git a/libtransport/src/hicn/transport/utils/signer.cc b/libtransport/src/hicn/transport/utils/signer.cc
index 981e5f0..9ac9a2c 100644
--- a/libtransport/src/hicn/transport/utils/signer.cc
+++ b/libtransport/src/hicn/transport/utils/signer.cc
@@ -39,54 +39,96 @@ namespace utils {
uint8_t Signer::zeros[200] = {0};
/*One signer_ per Private Key*/
-Signer::Signer(PARCKeyStore *keyStore, PARCCryptoSuite suite) {
+Signer::Signer(PARCKeyStore *keyStore, CryptoSuite suite) {
+ parcSecurity_Init();
+
switch (suite) {
- case PARCCryptoSuite_NULL_CRC32C:
- break;
- case PARCCryptoSuite_ECDSA_SHA256:
- case PARCCryptoSuite_RSA_SHA256:
- case PARCCryptoSuite_DSA_SHA256:
- case PARCCryptoSuite_RSA_SHA512:
+ case CryptoSuite::DSA_SHA256:
+ case CryptoSuite::RSA_SHA256:
+ case CryptoSuite::RSA_SHA512:
+ case CryptoSuite::ECDSA_256K1: {
this->signer_ =
- parcSigner_Create(parcPublicKeySigner_Create(keyStore, suite),
+ parcSigner_Create(parcPublicKeySigner_Create(
+ keyStore, static_cast<PARCCryptoSuite>(suite)),
PARCPublicKeySignerAsSigner);
- this->key_id_ = parcSigner_CreateKeyId(this->signer_);
break;
+ }
+ case CryptoSuite::HMAC_SHA256:
+ case CryptoSuite::HMAC_SHA512: {
+ this->signer_ =
+ parcSigner_Create(parcSymmetricKeySigner_Create(
+ (PARCSymmetricKeyStore *)keyStore,
+ parcCryptoSuite_GetCryptoHash(
+ static_cast<PARCCryptoSuite>(suite))),
+ PARCSymmetricKeySignerAsSigner);
+ break;
+ }
+ default: { return; }
+ }
+
+ suite_ = suite;
+ key_id_ = parcSigner_CreateKeyId(this->signer_);
+ signature_length_ = parcSigner_GetSignatureSize(this->signer_);
+}
+
+Signer::Signer(const std::string &passphrase, CryptoSuite suite) {
+ parcSecurity_Init();
- case PARCCryptoSuite_HMAC_SHA512:
- case PARCCryptoSuite_HMAC_SHA256:
- default:
+ switch (suite) {
+ case CryptoSuite::HMAC_SHA256:
+ case CryptoSuite::HMAC_SHA512: {
+ composer_ = parcBufferComposer_Create();
+ parcBufferComposer_PutString(composer_, passphrase.c_str());
+ key_buffer_ = parcBufferComposer_ProduceBuffer(composer_);
+ symmetricKeyStore_ = parcSymmetricKeyStore_Create(key_buffer_);
this->signer_ = parcSigner_Create(
- parcSymmetricKeySigner_Create((PARCSymmetricKeyStore *)keyStore,
- parcCryptoSuite_GetCryptoHash(suite)),
+ parcSymmetricKeySigner_Create(
+ symmetricKeyStore_, parcCryptoSuite_GetCryptoHash(
+ static_cast<PARCCryptoSuite>(suite))),
PARCSymmetricKeySignerAsSigner);
- this->key_id_ = parcSigner_CreateKeyId(this->signer_);
break;
+ }
+ default: { return; }
}
+
+ suite_ = suite;
+ key_id_ = parcSigner_CreateKeyId(this->signer_);
+ signature_length_ = parcSigner_GetSignatureSize(this->signer_);
}
-Signer::Signer(const PARCSigner *signer)
+Signer::Signer(const PARCSigner *signer, CryptoSuite suite)
: signer_(parcSigner_Acquire(signer)),
- key_id_(parcSigner_CreateKeyId(this->signer_)) {}
+ key_id_(parcSigner_CreateKeyId(this->signer_)),
+ suite_(suite),
+ signature_length_(parcSigner_GetSignatureSize(this->signer_)) {
+ parcSecurity_Init();
+}
+
+Signer::Signer(const PARCSigner *signer)
+ : Signer(signer, CryptoSuite::UNKNOWN) {}
Signer::~Signer() {
- parcSigner_Release(&signer_);
- parcKeyId_Release(&key_id_);
+ if (signature_) parcSignature_Release(&signature_);
+ if (symmetricKeyStore_) parcSymmetricKeyStore_Release(&symmetricKeyStore_);
+ if (key_buffer_) parcBuffer_Release(&key_buffer_);
+ if (composer_) parcBufferComposer_Release(&composer_);
+ if (signer_) parcSigner_Release(&signer_);
+ if (key_id_) parcKeyId_Release(&key_id_);
+ parcSecurity_Fini();
}
void Signer::sign(Packet &packet) {
// header chain points to the IP + TCP hicn header + AH Header
- utils::MemBuf *header_chain = packet.header_head_;
- utils::MemBuf *payload_chain = packet.payload_head_;
+ MemBuf *header_chain = packet.header_head_;
+ MemBuf *payload_chain = packet.payload_head_;
uint8_t *hicn_packet = (uint8_t *)header_chain->writableData();
Packet::Format format = packet.getFormat();
- std::size_t sign_len_bytes = parcSigner_GetSignatureSize(signer_);
if (!(format & HFO_AH)) {
throw errors::MalformedAHPacketException();
}
- packet.setSignatureSize(sign_len_bytes);
+ packet.setSignatureSize(signature_length_);
// Copy IP+TCP/ICMP header before zeroing them
hicn_header_t header_copy;
@@ -102,8 +144,7 @@ void Signer::sign(Packet &packet) {
auto now = duration_cast<milliseconds>(system_clock::now().time_since_epoch())
.count();
packet.setSignatureTimestamp(now);
- packet.setValidationAlgorithm(
- CryptoSuite(parcSigner_GetCryptoSuite(this->signer_)));
+ packet.setValidationAlgorithm(suite_);
KeyId key_id;
key_id.first = (uint8_t *)parcBuffer_Overlay(
@@ -111,25 +152,25 @@ void Signer::sign(Packet &packet) {
packet.setKeyId(key_id);
// Calculate hash
- utils::CryptoHasher hasher(parcSigner_GetCryptoHasher(signer_));
+ CryptoHasher hasher(parcSigner_GetCryptoHasher(signer_));
hasher.init();
- hasher.updateBytes(hicn_packet, header_len + sign_len_bytes);
+ hasher.updateBytes(hicn_packet, header_len + signature_length_);
- for (utils::MemBuf *current = payload_chain; current != header_chain;
+ for (MemBuf *current = payload_chain; current != header_chain;
current = current->next()) {
hasher.updateBytes(current->data(), current->length());
}
- utils::CryptoHash hash = hasher.finalize();
+ CryptoHash hash = hasher.finalize();
- PARCSignature *signature = parcSigner_SignDigestNoAlloc(
- this->signer_, hash.hash_, packet.getSignature(),
- (uint32_t)sign_len_bytes);
- PARCBuffer *buffer = parcSignature_GetSignature(signature);
+ signature_ = parcSigner_SignDigestNoAlloc(this->signer_, hash.hash_,
+ packet.getSignature(),
+ (uint32_t)signature_length_);
+ PARCBuffer *buffer = parcSignature_GetSignature(signature_);
size_t bytes_len = parcBuffer_Remaining(buffer);
- if (bytes_len > sign_len_bytes) {
+ if (bytes_len > signature_length_) {
throw errors::MalformedAHPacketException();
}
@@ -137,6 +178,8 @@ void Signer::sign(Packet &packet) {
(hicn_header_t *)packet.packet_start_, false);
}
+size_t Signer::getSignatureLength() { return signature_length_; }
+
PARCKeyStore *Signer::getKeyStore() {
return parcSigner_GetKeyStore(this->signer_);
}
diff --git a/libtransport/src/hicn/transport/utils/signer.h b/libtransport/src/hicn/transport/utils/signer.h
index 6afb954..31b2146 100644
--- a/libtransport/src/hicn/transport/utils/signer.h
+++ b/libtransport/src/hicn/transport/utils/signer.h
@@ -22,6 +22,7 @@ extern "C" {
#include <parc/security/parc_CryptoSuite.h>
#include <parc/security/parc_KeyStore.h>
#include <parc/security/parc_Signer.h>
+#include <parc/security/parc_SymmetricKeySigner.h>
}
namespace utils {
@@ -42,7 +43,17 @@ class Signer {
* use to sign packet with this Signer.
* @param suite CryptoSuite to use to verify the signature
*/
- Signer(PARCKeyStore *keyStore, PARCCryptoSuite suite);
+ Signer(PARCKeyStore *keyStore, CryptoSuite suite);
+
+ /**
+ * Create a Signer
+ *
+ * @param passphrase A string from which the symmetric key will be derived
+ * @param suite CryptoSuite to use to verify the signature
+ */
+ Signer(const std::string &passphrase, CryptoSuite suite);
+
+ Signer(const PARCSigner *signer, CryptoSuite suite);
Signer(const PARCSigner *signer);
@@ -60,11 +71,19 @@ class Signer {
*/
void sign(Packet &packet);
+ size_t getSignatureLength();
+
PARCKeyStore *getKeyStore();
private:
- PARCSigner *signer_;
- PARCKeyId *key_id_;
+ PARCBufferComposer *composer_ = nullptr;
+ PARCBuffer *key_buffer_ = nullptr;
+ PARCSymmetricKeyStore *symmetricKeyStore_ = nullptr;
+ PARCSigner *signer_ = nullptr;
+ PARCSignature *signature_ = nullptr;
+ PARCKeyId *key_id_ = nullptr;
+ CryptoSuite suite_;
+ size_t signature_length_;
static uint8_t zeros[200];
};
diff --git a/libtransport/src/hicn/transport/utils/suffix_strategy.h b/libtransport/src/hicn/transport/utils/suffix_strategy.h
index 0ed3c5b..ab9b1ef 100644
--- a/libtransport/src/hicn/transport/utils/suffix_strategy.h
+++ b/libtransport/src/hicn/transport/utils/suffix_strategy.h
@@ -16,6 +16,7 @@
#pragma once
#include <hicn/transport/core/manifest_format.h>
+#include <limits>
namespace utils {
diff --git a/libtransport/src/hicn/transport/utils/verifier.cc b/libtransport/src/hicn/transport/utils/verifier.cc
index 69b2101..281ee21 100644
--- a/libtransport/src/hicn/transport/utils/verifier.cc
+++ b/libtransport/src/hicn/transport/utils/verifier.cc
@@ -25,9 +25,6 @@ extern "C" {
TRANSPORT_CLANG_DISABLE_WARNING("-Wextern-c-compat")
#endif
#include <hicn/hicn.h>
-#include <parc/security/parc_CertificateFactory.h>
-#include <parc/security/parc_InMemoryVerifier.h>
-#include <parc/security/parc_Security.h>
}
#include <sys/stat.h>
@@ -46,11 +43,18 @@ Verifier::Verifier() {
PARCInMemoryVerifier *in_memory_verifier = parcInMemoryVerifier_Create();
this->verifier_ =
parcVerifier_Create(in_memory_verifier, PARCInMemoryVerifierAsVerifier);
- parcInMemoryVerifier_Release(&in_memory_verifier);
}
Verifier::~Verifier() {
- parcVerifier_Release(&verifier_);
+ if (key_) parcKey_Release(&key_);
+ if (keyId_) parcKeyId_Release(&keyId_);
+ if (signer_) parcSigner_Release(&signer_);
+ if (symmetricKeyStore_) parcSymmetricKeyStore_Release(&symmetricKeyStore_);
+ if (key_buffer_) parcBuffer_Release(&key_buffer_);
+ if (composer_) parcBufferComposer_Release(&composer_);
+ if (certificate_) parcCertificate_Release(&certificate_);
+ if (factory_) parcCertificateFactory_Release(&factory_);
+ if (verifier_) parcVerifier_Release(&verifier_);
parcSecurity_Fini();
}
@@ -67,10 +71,30 @@ bool Verifier::addKey(PARCKey *key) {
return true;
}
+PARCKeyId *Verifier::addKeyFromPassphrase(const std::string &passphrase,
+ CryptoSuite suite) {
+ composer_ = parcBufferComposer_Create();
+ parcBufferComposer_PutString(composer_, passphrase.c_str());
+ key_buffer_ = parcBufferComposer_ProduceBuffer(composer_);
+
+ symmetricKeyStore_ = parcSymmetricKeyStore_Create(key_buffer_);
+ signer_ = parcSigner_Create(
+ parcSymmetricKeySigner_Create(
+ symmetricKeyStore_,
+ parcCryptoSuite_GetCryptoHash(static_cast<PARCCryptoSuite>(suite))),
+ PARCSymmetricKeySignerAsSigner);
+ keyId_ = parcSigner_CreateKeyId(signer_);
+ key_ = parcKey_CreateFromSymmetricKey(
+ keyId_, parcSigner_GetSigningAlgorithm(signer_), key_buffer_);
+
+ addKey(key_);
+ return keyId_;
+}
+
PARCKeyId *Verifier::addKeyFromCertificate(const std::string &file_name) {
- PARCCertificateFactory *factory = parcCertificateFactory_Create(
- PARCCertificateType_X509, PARCContainerEncoding_PEM);
- parcAssertNotNull(factory, "Expected non-NULL factory");
+ factory_ = parcCertificateFactory_Create(PARCCertificateType_X509,
+ PARCContainerEncoding_PEM);
+ parcAssertNotNull(factory_, "Expected non-NULL factory");
if (!file_exists(file_name)) {
TRANSPORT_LOGW("Warning! The certificate %s file does not exist",
@@ -78,31 +102,23 @@ PARCKeyId *Verifier::addKeyFromCertificate(const std::string &file_name) {
return nullptr;
}
- PARCCertificate *certificate =
- parcCertificateFactory_CreateCertificateFromFile(
- factory, (char *)file_name.c_str(), NULL);
-
- PARCKey *key = parcCertificate_GetPublicKey(certificate);
- addKey(key);
-
- PARCKeyId *ret = parcKeyId_Acquire(parcKey_GetKeyId(key));
-
- // parcKey_Release(&key);
- // parcCertificate_Release(&certificate);
- // parcCertificateFactory_Release(&factory);
-
- return ret;
+ certificate_ = parcCertificateFactory_CreateCertificateFromFile(
+ factory_, (char *)file_name.c_str(), NULL);
+ PARCBuffer *derEncodedVersion =
+ parcCertificate_GetDEREncodedPublicKey(certificate_);
+ PARCCryptoHash *keyDigest = parcCertificate_GetPublicKeyDigest(certificate_);
+ keyId_ = parcKeyId_Create(parcCryptoHash_GetDigest(keyDigest));
+ key_ = parcKey_CreateFromDerEncodedPublicKey(keyId_, PARCSigningAlgorithm_RSA,
+ derEncodedVersion);
+
+ addKey(key_);
+ return keyId_;
}
int Verifier::verify(const Packet &packet) {
+ // to initialize packet.payload_head_
+ const_cast<Packet *>(&packet)->separateHeaderPayload();
bool valid = false;
-
- // initialize packet.payload_head_
- const_cast<Packet*>(&packet)->separateHeaderPayload();
- // header chain points to the IP + TCP hicn header
- utils::MemBuf *header_chain = packet.header_head_;
- utils::MemBuf *payload_chain = packet.payload_head_;
- uint8_t *hicn_packet = header_chain->writableData();
Packet::Format format = packet.getFormat();
if (!(packet.format_ & HFO_AH)) {
@@ -114,10 +130,9 @@ int Verifier::verify(const Packet &packet) {
hicn_packet_copy_header(format, (const hicn_header_t *)packet.packet_start_,
&header_copy, false);
- std::size_t header_len = Packet::getHeaderSizeFromFormat(format);
-
PARCCryptoSuite suite =
static_cast<PARCCryptoSuite>(packet.getValidationAlgorithm());
+ PARCCryptoHashType hashtype = parcCryptoSuite_GetCryptoHash(suite);
KeyId _key_id = packet.getKeyId();
PARCBuffer *buffer =
parcBuffer_Wrap(_key_id.first, _key_id.second, 0, _key_id.second);
@@ -127,27 +142,30 @@ int Verifier::verify(const Packet &packet) {
int ah_payload_len = (int)packet.getSignatureSize();
uint8_t *_signature = packet.getSignature();
uint8_t *signature = new uint8_t[ah_payload_len];
-
// TODO Remove signature copy at this point, by not setting to zero
// the validation payload.
std::memcpy(signature, _signature, ah_payload_len);
- // Reset fields that should not appear in the signature
- const_cast<Packet &>(packet).resetForHash();
-
- PARCCryptoHashType hashtype = parcCryptoSuite_GetCryptoHash(suite);
- utils::CryptoHasher hasher(
- parcVerifier_GetCryptoHasher(verifier_, key_id, hashtype));
-
- hasher.init().updateBytes(hicn_packet, header_len + ah_payload_len);
-
- for (utils::MemBuf *current = payload_chain; current != header_chain;
- current = current->next()) {
- hasher.updateBytes(current->data(), current->length());
+ std::shared_ptr<CryptoHasher> hasher;
+ switch (CryptoSuite(suite)) {
+ case CryptoSuite::DSA_SHA256:
+ case CryptoSuite::RSA_SHA256:
+ case CryptoSuite::RSA_SHA512:
+ case CryptoSuite::ECDSA_256K1: {
+ hasher = std::make_shared<CryptoHasher>(
+ parcVerifier_GetCryptoHasher(verifier_, key_id, hashtype));
+ break;
+ }
+ case CryptoSuite::HMAC_SHA256:
+ case CryptoSuite::HMAC_SHA512: {
+ if (!signer_) return false;
+ hasher =
+ std::make_shared<CryptoHasher>(parcSigner_GetCryptoHasher(signer_));
+ break;
+ }
+ default: { return false; }
}
-
- utils::CryptoHash hash = hasher.finalize();
- PARCCryptoHash *hash_computed_locally = hash.hash_;
+ CryptoHash hash_computed_locally = getPacketHash(packet, hasher);
PARCBuffer *bits =
parcBuffer_Wrap(signature, ah_payload_len, 0, ah_payload_len);
@@ -178,20 +196,39 @@ int Verifier::verify(const Packet &packet) {
}
valid = parcVerifier_VerifyDigestSignature(
- verifier_, key_id, hash_computed_locally, suite, signatureToVerify);
+ verifier_, key_id, hash_computed_locally.hash_, suite, signatureToVerify);
/* Restore the resetted fields */
hicn_packet_copy_header(format, &header_copy,
(hicn_header_t *)packet.packet_start_, false);
delete[] signature;
-
parcKeyId_Release(&key_id);
-
parcBuffer_Release(&bits);
parcSignature_Release(&signatureToVerify);
return valid;
}
+CryptoHash Verifier::getPacketHash(const Packet &packet,
+ std::shared_ptr<CryptoHasher> hasher) {
+ MemBuf *header_chain = packet.header_head_;
+ MemBuf *payload_chain = packet.payload_head_;
+ Packet::Format format = packet.getFormat();
+ int ah_payload_len = (int)packet.getSignatureSize();
+ uint8_t *hicn_packet = header_chain->writableData();
+ std::size_t header_len = Packet::getHeaderSizeFromFormat(format);
+
+ // Reset fields that should not appear in the signature
+ const_cast<Packet &>(packet).resetForHash();
+ hasher->init().updateBytes(hicn_packet, header_len + ah_payload_len);
+
+ for (MemBuf *current = payload_chain; current != header_chain;
+ current = current->next()) {
+ hasher->updateBytes(current->data(), current->length());
+ }
+
+ return hasher->finalize();
+}
+
} // namespace utils
diff --git a/libtransport/src/hicn/transport/utils/verifier.h b/libtransport/src/hicn/transport/utils/verifier.h
index 6313a72..7ec6e7e 100644
--- a/libtransport/src/hicn/transport/utils/verifier.h
+++ b/libtransport/src/hicn/transport/utils/verifier.h
@@ -18,7 +18,11 @@
#include <hicn/transport/core/packet.h>
extern "C" {
+#include <parc/security/parc_CertificateFactory.h>
+#include <parc/security/parc_InMemoryVerifier.h>
#include <parc/security/parc_KeyId.h>
+#include <parc/security/parc_Security.h>
+#include <parc/security/parc_SymmetricKeySigner.h>
#include <parc/security/parc_Verifier.h>
}
@@ -56,6 +60,9 @@ class Verifier {
*/
bool addKey(PARCKey *key);
+ PARCKeyId *addKeyFromPassphrase(const std::string &passphrase,
+ CryptoSuite suite);
+
PARCKeyId *addKeyFromCertificate(const std::string &file_name);
/**
@@ -77,8 +84,19 @@ class Verifier {
*/
int verify(const Packet &packet);
+ CryptoHash getPacketHash(const Packet &packet,
+ std::shared_ptr<CryptoHasher> hasher);
+
private:
- PARCVerifier *verifier_;
+ PARCVerifier *verifier_ = nullptr;
+ PARCCertificateFactory *factory_ = nullptr;
+ PARCCertificate *certificate_ = nullptr;
+ PARCKeyId *keyId_ = nullptr;
+ PARCKey *key_ = nullptr;
+ PARCBuffer *key_buffer_ = nullptr;
+ PARCSymmetricKeyStore *symmetricKeyStore_ = nullptr;
+ PARCSigner *signer_ = nullptr;
+ PARCBufferComposer *composer_ = nullptr;
static uint8_t zeros[200];
};