aboutsummaryrefslogtreecommitdiffstats
path: root/src/lib/tls/tls_blocking.cpp
diff options
context:
space:
mode:
authorlloyd <[email protected]>2014-01-10 03:41:59 +0000
committerlloyd <[email protected]>2014-01-10 03:41:59 +0000
commit6894dca64c04936d07048c0e8cbf7e25858548c3 (patch)
tree5d572bfde9fe667dab14e3f04b5285a85d8acd95 /src/lib/tls/tls_blocking.cpp
parent9efa3be92442afb3d0b69890a36c7f122df18eda (diff)
Move lib into src
Diffstat (limited to 'src/lib/tls/tls_blocking.cpp')
-rw-r--r--src/lib/tls/tls_blocking.cpp90
1 files changed, 90 insertions, 0 deletions
diff --git a/src/lib/tls/tls_blocking.cpp b/src/lib/tls/tls_blocking.cpp
new file mode 100644
index 000000000..4b33ba926
--- /dev/null
+++ b/src/lib/tls/tls_blocking.cpp
@@ -0,0 +1,90 @@
+/*
+* TLS Blocking API
+* (C) 2013 Jack Lloyd
+*
+* Released under the terms of the Botan license
+*/
+
+#include <botan/tls_blocking.h>
+
+namespace Botan {
+
+namespace TLS {
+
+using namespace std::placeholders;
+
+Blocking_Client::Blocking_Client(std::function<size_t (byte[], size_t)> read_fn,
+ std::function<void (const byte[], size_t)> write_fn,
+ Session_Manager& session_manager,
+ Credentials_Manager& creds,
+ const Policy& policy,
+ RandomNumberGenerator& rng,
+ const Server_Information& server_info,
+ const Protocol_Version offer_version,
+ std::function<std::string (std::vector<std::string>)> next_protocol) :
+ m_read_fn(read_fn),
+ m_channel(write_fn,
+ std::bind(&Blocking_Client::data_cb, this, _1, _2),
+ std::bind(&Blocking_Client::alert_cb, this, _1, _2, _3),
+ std::bind(&Blocking_Client::handshake_cb, this, _1),
+ session_manager,
+ creds,
+ policy,
+ rng,
+ server_info,
+ offer_version,
+ next_protocol)
+ {
+ }
+
+bool Blocking_Client::handshake_cb(const Session& session)
+ {
+ return this->handshake_complete(session);
+ }
+
+void Blocking_Client::alert_cb(const Alert alert, const byte[], size_t)
+ {
+ this->alert_notification(alert);
+ }
+
+void Blocking_Client::data_cb(const byte data[], size_t data_len)
+ {
+ m_plaintext.insert(m_plaintext.end(), data, data + data_len);
+ }
+
+void Blocking_Client::do_handshake()
+ {
+ std::vector<byte> readbuf(4096);
+
+ while(!m_channel.is_closed() && !m_channel.is_active())
+ {
+ const size_t from_socket = m_read_fn(&readbuf[0], readbuf.size());
+ m_channel.received_data(&readbuf[0], from_socket);
+ }
+ }
+
+size_t Blocking_Client::read(byte buf[], size_t buf_len)
+ {
+ std::vector<byte> readbuf(4096);
+
+ while(m_plaintext.empty() && !m_channel.is_closed())
+ {
+ const size_t from_socket = m_read_fn(&readbuf[0], readbuf.size());
+ m_channel.received_data(&readbuf[0], from_socket);
+ }
+
+ const size_t returned = std::min(buf_len, m_plaintext.size());
+
+ for(size_t i = 0; i != returned; ++i)
+ buf[i] = m_plaintext[i];
+ m_plaintext.erase(m_plaintext.begin(), m_plaintext.begin() + returned);
+
+ BOTAN_ASSERT_IMPLICATION(returned == 0, m_channel.is_closed(),
+ "Only return zero if channel is closed");
+
+ return returned;
+ }
+
+}
+
+}