1 files changed, 222 insertions, 0 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/plain_client.cpp b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/plain_client.cpp
new file mode 100644
index 00000000..04be39f3
--- /dev/null
+++ b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/plain_client.cpp
@@ -0,0 +1,222 @@
+/*
+    Copyright (c) 2007-2015 Contributors as noted in the AUTHORS file
+
+    This file is part of libzmq, the ZeroMQ core engine in C++.
+
+    libzmq is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser General Public License (LGPL) as published
+    by the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    As a special exception, the Contributors give you permission to link
+    this library with independent modules to produce an executable,
+    regardless of the license terms of these independent modules, and to
+    copy and distribute the resulting executable under terms of your choice,
+    provided that you also meet, for each linked independent module, the
+    terms and conditions of the license of that module. An independent
+    module is a module which is not derived from or based on this library.
+    If you modify this library, you must extend this exception to your
+    version of the library.
+
+    libzmq is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+    License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "platform.hpp"
+#ifdef ZMQ_HAVE_WINDOWS
+#include "windows.hpp"
+#endif
+
+#include <string>
+
+#include "msg.hpp"
+#include "err.hpp"
+#include "plain_client.hpp"
+
+zmq::plain_client_t::plain_client_t (const options_t &options_) :
+    mechanism_t (options_),
+    state (sending_hello)
+{
+}
+
+zmq::plain_client_t::~plain_client_t ()
+{
+}
+
+int zmq::plain_client_t::next_handshake_command (msg_t *msg_)
+{
+    int rc = 0;
+
+    switch (state) {
+        case sending_hello:
+            rc = produce_hello (msg_);
+            if (rc == 0)
+                state = waiting_for_welcome;
+            break;
+        case sending_initiate:
+            rc = produce_initiate (msg_);
+            if (rc == 0)
+                state = waiting_for_ready;
+            break;
+        default:
+            errno = EAGAIN;
+            rc = -1;
+    }
+    return rc;
+}
+
+int zmq::plain_client_t::process_handshake_command (msg_t *msg_)
+{
+    const unsigned char *cmd_data =
+        static_cast <unsigned char *> (msg_->data ());
+    const size_t data_size = msg_->size ();
+
+    int rc = 0;
+    if (data_size >= 8 && !memcmp (cmd_data, "\7WELCOME", 8))
+        rc = process_welcome (cmd_data, data_size);
+    else
+    if (data_size >= 6 && !memcmp (cmd_data, "\5READY", 6))
+        rc = process_ready (cmd_data, data_size);
+    else
+    if (data_size >= 6 && !memcmp (cmd_data, "\5ERROR", 6))
+        rc = process_error (cmd_data, data_size);
+    else {
+        //  Temporary support for security debugging
+        puts ("PLAIN I: invalid handshake command");
+        errno = EPROTO;
+        rc = -1;
+    }
+
+    if (rc == 0) {
+        rc = msg_->close ();
+        errno_assert (rc == 0);
+        rc = msg_->init ();
+        errno_assert (rc == 0);
+    }
+
+    return rc;
+}
+
+zmq::mechanism_t::status_t zmq::plain_client_t::status () const
+{
+    if (state == ready)
+        return mechanism_t::ready;
+    else
+    if (state == error_command_received)
+        return mechanism_t::error;
+    else
+        return mechanism_t::handshaking;
+}
+
+int zmq::plain_client_t::produce_hello (msg_t *msg_) const
+{
+    const std::string username = options.plain_username;
+    zmq_assert (username.length () < 256);
+
+    const std::string password = options.plain_password;
+    zmq_assert (password.length () < 256);
+
+    const size_t command_size = 6 + 1 + username.length ()
+                                  + 1 + password.length ();
+
+    const int rc = msg_->init_size (command_size);
+    errno_assert (rc == 0);
+
+    unsigned char *ptr = static_cast <unsigned char *> (msg_->data ());
+    memcpy (ptr, "\x05HELLO", 6);
+    ptr += 6;
+
+    *ptr++ = static_cast <unsigned char> (username.length ());
+    memcpy (ptr, username.c_str (), username.length ());
+    ptr += username.length ();
+
+    *ptr++ = static_cast <unsigned char> (password.length ());
+    memcpy (ptr, password.c_str (), password.length ());
+    ptr += password.length ();
+
+    return 0;
+}
+
+int zmq::plain_client_t::process_welcome (
+        const unsigned char *cmd_data, size_t data_size)
+{
+    if (state != waiting_for_welcome) {
+        errno = EPROTO;
+        return -1;
+    }
+    if (data_size != 8) {
+        errno = EPROTO;
+        return -1;
+    }
+    state = sending_initiate;
+    return 0;
+}
+
+int zmq::plain_client_t::produce_initiate (msg_t *msg_) const
+{
+    unsigned char * const command_buffer = (unsigned char *) malloc (512);
+    alloc_assert (command_buffer);
+
+    unsigned char *ptr = command_buffer;
+
+    //  Add mechanism string
+    memcpy (ptr, "\x08INITIATE", 9);
+    ptr += 9;
+
+    //  Add socket type property
+    const char *socket_type = socket_type_string (options.type);
+    ptr += add_property (ptr, "Socket-Type", socket_type, strlen (socket_type));
+
+    //  Add identity property
+    if (options.type == ZMQ_REQ
+    ||  options.type == ZMQ_DEALER
+    ||  options.type == ZMQ_ROUTER)
+        ptr += add_property (
+            ptr, "Identity", options.identity, options.identity_size);
+
+    const size_t command_size = ptr - command_buffer;
+    const int rc = msg_->init_size (command_size);
+    errno_assert (rc == 0);
+    memcpy (msg_->data (), command_buffer, command_size);
+    free (command_buffer);
+
+    return 0;
+}
+
+int zmq::plain_client_t::process_ready (
+        const unsigned char *cmd_data, size_t data_size)
+{
+    if (state != waiting_for_ready) {
+        errno = EPROTO;
+        return -1;
+    }
+    const int rc = parse_metadata (cmd_data + 6, data_size - 6);
+    if (rc == 0)
+        state = ready;
+    return rc;
+}
+
+int zmq::plain_client_t::process_error (
+        const unsigned char *cmd_data, size_t data_size)
+{
+    if (state != waiting_for_welcome && state != waiting_for_ready) {
+        errno = EPROTO;
+        return -1;
+    }
+    if (data_size < 7) {
+        errno = EPROTO;
+        return -1;
+    }
+    const size_t error_reason_len = static_cast <size_t> (cmd_data [6]);
+    if (error_reason_len > data_size - 7) {
+        errno = EPROTO;
+        return -1;
+    }
+    state = error_command_received;
+    return 0;
+}