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-rw-r--r--external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/curve_client.cpp459
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diff --git a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/curve_client.cpp b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/curve_client.cpp
deleted file mode 100644
index 842e504a..00000000
--- a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/curve_client.cpp
+++ /dev/null
@@ -1,459 +0,0 @@
-/*
- 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 HAVE_LIBSODIUM
-
-#ifdef ZMQ_HAVE_WINDOWS
-#include "windows.hpp"
-#endif
-
-#include "msg.hpp"
-#include "session_base.hpp"
-#include "err.hpp"
-#include "curve_client.hpp"
-#include "wire.hpp"
-
-zmq::curve_client_t::curve_client_t (const options_t &options_) :
- mechanism_t (options_),
- state (send_hello),
- cn_nonce(1),
- cn_peer_nonce(1),
- sync()
-{
- memcpy (public_key, options_.curve_public_key, crypto_box_PUBLICKEYBYTES);
- memcpy (secret_key, options_.curve_secret_key, crypto_box_SECRETKEYBYTES);
- memcpy (server_key, options_.curve_server_key, crypto_box_PUBLICKEYBYTES);
- scoped_lock_t lock (sync);
-#if defined(HAVE_TWEETNACL)
- // allow opening of /dev/urandom
- unsigned char tmpbytes[4];
- randombytes(tmpbytes, 4);
-#else
- // todo check return code
- sodium_init();
-#endif
-
- // Generate short-term key pair
- const int rc = crypto_box_keypair (cn_public, cn_secret);
- zmq_assert (rc == 0);
-}
-
-zmq::curve_client_t::~curve_client_t ()
-{
-}
-
-int zmq::curve_client_t::next_handshake_command (msg_t *msg_)
-{
- int rc = 0;
-
- switch (state) {
- case send_hello:
- rc = produce_hello (msg_);
- if (rc == 0)
- state = expect_welcome;
- break;
- case send_initiate:
- rc = produce_initiate (msg_);
- if (rc == 0)
- state = expect_ready;
- break;
- default:
- errno = EAGAIN;
- rc = -1;
- }
- return rc;
-}
-
-int zmq::curve_client_t::process_handshake_command (msg_t *msg_)
-{
- const unsigned char *msg_data =
- static_cast <unsigned char *> (msg_->data ());
- const size_t msg_size = msg_->size ();
-
- int rc = 0;
- if (msg_size >= 8 && !memcmp (msg_data, "\7WELCOME", 8))
- rc = process_welcome (msg_data, msg_size);
- else
- if (msg_size >= 6 && !memcmp (msg_data, "\5READY", 6))
- rc = process_ready (msg_data, msg_size);
- else
- if (msg_size >= 6 && !memcmp (msg_data, "\5ERROR", 6))
- rc = process_error (msg_data, msg_size);
- else {
- errno = EPROTO;
- rc = -1;
- }
-
- if (rc == 0) {
- rc = msg_->close ();
- errno_assert (rc == 0);
- rc = msg_->init ();
- errno_assert (rc == 0);
- }
-
- return rc;
-}
-
-int zmq::curve_client_t::encode (msg_t *msg_)
-{
- zmq_assert (state == connected);
-
- uint8_t flags = 0;
- if (msg_->flags () & msg_t::more)
- flags |= 0x01;
-
- uint8_t message_nonce [crypto_box_NONCEBYTES];
- memcpy (message_nonce, "CurveZMQMESSAGEC", 16);
- put_uint64 (message_nonce + 16, cn_nonce);
-
- const size_t mlen = crypto_box_ZEROBYTES + 1 + msg_->size ();
-
- uint8_t *message_plaintext = static_cast <uint8_t *> (malloc (mlen));
- alloc_assert (message_plaintext);
-
- memset (message_plaintext, 0, crypto_box_ZEROBYTES);
- message_plaintext [crypto_box_ZEROBYTES] = flags;
- memcpy (message_plaintext + crypto_box_ZEROBYTES + 1,
- msg_->data (), msg_->size ());
-
- uint8_t *message_box = static_cast <uint8_t *> (malloc (mlen));
- alloc_assert (message_box);
-
- int rc = crypto_box_afternm (message_box, message_plaintext,
- mlen, message_nonce, cn_precom);
- zmq_assert (rc == 0);
-
- rc = msg_->close ();
- zmq_assert (rc == 0);
-
- rc = msg_->init_size (16 + mlen - crypto_box_BOXZEROBYTES);
- zmq_assert (rc == 0);
-
- uint8_t *message = static_cast <uint8_t *> (msg_->data ());
-
- memcpy (message, "\x07MESSAGE", 8);
- memcpy (message + 8, message_nonce + 16, 8);
- memcpy (message + 16, message_box + crypto_box_BOXZEROBYTES,
- mlen - crypto_box_BOXZEROBYTES);
-
- free (message_plaintext);
- free (message_box);
-
- cn_nonce++;
-
- return 0;
-}
-
-int zmq::curve_client_t::decode (msg_t *msg_)
-{
- zmq_assert (state == connected);
-
- if (msg_->size () < 33) {
- errno = EPROTO;
- return -1;
- }
-
- const uint8_t *message = static_cast <uint8_t *> (msg_->data ());
- if (memcmp (message, "\x07MESSAGE", 8)) {
- errno = EPROTO;
- return -1;
- }
-
- uint8_t message_nonce [crypto_box_NONCEBYTES];
- memcpy (message_nonce, "CurveZMQMESSAGES", 16);
- memcpy (message_nonce + 16, message + 8, 8);
- uint64_t nonce = get_uint64(message + 8);
- if (nonce <= cn_peer_nonce) {
- errno = EPROTO;
- return -1;
- }
- cn_peer_nonce = nonce;
-
-
- const size_t clen = crypto_box_BOXZEROBYTES + (msg_->size () - 16);
-
- uint8_t *message_plaintext = static_cast <uint8_t *> (malloc (clen));
- alloc_assert (message_plaintext);
-
- uint8_t *message_box = static_cast <uint8_t *> (malloc (clen));
- alloc_assert (message_box);
-
- memset (message_box, 0, crypto_box_BOXZEROBYTES);
- memcpy (message_box + crypto_box_BOXZEROBYTES,
- message + 16, msg_->size () - 16);
-
- int rc = crypto_box_open_afternm (message_plaintext, message_box,
- clen, message_nonce, cn_precom);
- if (rc == 0) {
- rc = msg_->close ();
- zmq_assert (rc == 0);
-
- rc = msg_->init_size (clen - 1 - crypto_box_ZEROBYTES);
- zmq_assert (rc == 0);
-
- const uint8_t flags = message_plaintext [crypto_box_ZEROBYTES];
- if (flags & 0x01)
- msg_->set_flags (msg_t::more);
-
- memcpy (msg_->data (),
- message_plaintext + crypto_box_ZEROBYTES + 1,
- msg_->size ());
- }
- else
- errno = EPROTO;
-
- free (message_plaintext);
- free (message_box);
-
- return rc;
-}
-
-zmq::mechanism_t::status_t zmq::curve_client_t::status () const
-{
- if (state == connected)
- return mechanism_t::ready;
- else
- if (state == error_received)
- return mechanism_t::error;
- else
- return mechanism_t::handshaking;
-}
-
-int zmq::curve_client_t::produce_hello (msg_t *msg_)
-{
- uint8_t hello_nonce [crypto_box_NONCEBYTES];
- uint8_t hello_plaintext [crypto_box_ZEROBYTES + 64];
- uint8_t hello_box [crypto_box_BOXZEROBYTES + 80];
-
- // Prepare the full nonce
- memcpy (hello_nonce, "CurveZMQHELLO---", 16);
- put_uint64 (hello_nonce + 16, cn_nonce);
-
- // Create Box [64 * %x0](C'->S)
- memset (hello_plaintext, 0, sizeof hello_plaintext);
-
- int rc = crypto_box (hello_box, hello_plaintext,
- sizeof hello_plaintext,
- hello_nonce, server_key, cn_secret);
- zmq_assert (rc == 0);
-
- rc = msg_->init_size (200);
- errno_assert (rc == 0);
- uint8_t *hello = static_cast <uint8_t *> (msg_->data ());
-
- memcpy (hello, "\x05HELLO", 6);
- // CurveZMQ major and minor version numbers
- memcpy (hello + 6, "\1\0", 2);
- // Anti-amplification padding
- memset (hello + 8, 0, 72);
- // Client public connection key
- memcpy (hello + 80, cn_public, crypto_box_PUBLICKEYBYTES);
- // Short nonce, prefixed by "CurveZMQHELLO---"
- memcpy (hello + 112, hello_nonce + 16, 8);
- // Signature, Box [64 * %x0](C'->S)
- memcpy (hello + 120, hello_box + crypto_box_BOXZEROBYTES, 80);
-
- cn_nonce++;
-
- return 0;
-}
-
-int zmq::curve_client_t::process_welcome (
- const uint8_t *msg_data, size_t msg_size)
-{
- if (msg_size != 168) {
- errno = EPROTO;
- return -1;
- }
-
- uint8_t welcome_nonce [crypto_box_NONCEBYTES];
- uint8_t welcome_plaintext [crypto_box_ZEROBYTES + 128];
- uint8_t welcome_box [crypto_box_BOXZEROBYTES + 144];
-
- // Open Box [S' + cookie](C'->S)
- memset (welcome_box, 0, crypto_box_BOXZEROBYTES);
- memcpy (welcome_box + crypto_box_BOXZEROBYTES, msg_data + 24, 144);
-
- memcpy (welcome_nonce, "WELCOME-", 8);
- memcpy (welcome_nonce + 8, msg_data + 8, 16);
-
- int rc = crypto_box_open (welcome_plaintext, welcome_box,
- sizeof welcome_box,
- welcome_nonce, server_key, cn_secret);
- if (rc != 0) {
- errno = EPROTO;
- return -1;
- }
-
- memcpy (cn_server, welcome_plaintext + crypto_box_ZEROBYTES, 32);
- memcpy (cn_cookie, welcome_plaintext + crypto_box_ZEROBYTES + 32, 16 + 80);
-
- // Message independent precomputation
- rc = crypto_box_beforenm (cn_precom, cn_server, cn_secret);
- zmq_assert (rc == 0);
-
- state = send_initiate;
-
- return 0;
-}
-
-int zmq::curve_client_t::produce_initiate (msg_t *msg_)
-{
- uint8_t vouch_nonce [crypto_box_NONCEBYTES];
- uint8_t vouch_plaintext [crypto_box_ZEROBYTES + 64];
- uint8_t vouch_box [crypto_box_BOXZEROBYTES + 80];
-
- // Create vouch = Box [C',S](C->S')
- memset (vouch_plaintext, 0, crypto_box_ZEROBYTES);
- memcpy (vouch_plaintext + crypto_box_ZEROBYTES, cn_public, 32);
- memcpy (vouch_plaintext + crypto_box_ZEROBYTES + 32, server_key, 32);
-
- memcpy (vouch_nonce, "VOUCH---", 8);
- randombytes (vouch_nonce + 8, 16);
-
- int rc = crypto_box (vouch_box, vouch_plaintext,
- sizeof vouch_plaintext,
- vouch_nonce, cn_server, secret_key);
- zmq_assert (rc == 0);
-
- // Assume here that metadata is limited to 256 bytes
- uint8_t initiate_nonce [crypto_box_NONCEBYTES];
- uint8_t initiate_plaintext [crypto_box_ZEROBYTES + 128 + 256];
- uint8_t initiate_box [crypto_box_BOXZEROBYTES + 144 + 256];
-
- // Create Box [C + vouch + metadata](C'->S')
- memset (initiate_plaintext, 0, crypto_box_ZEROBYTES);
- memcpy (initiate_plaintext + crypto_box_ZEROBYTES,
- public_key, 32);
- memcpy (initiate_plaintext + crypto_box_ZEROBYTES + 32,
- vouch_nonce + 8, 16);
- memcpy (initiate_plaintext + crypto_box_ZEROBYTES + 48,
- vouch_box + crypto_box_BOXZEROBYTES, 80);
-
- // Metadata starts after vouch
- uint8_t *ptr = initiate_plaintext + crypto_box_ZEROBYTES + 128;
-
- // 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 mlen = ptr - initiate_plaintext;
-
- memcpy (initiate_nonce, "CurveZMQINITIATE", 16);
- put_uint64 (initiate_nonce + 16, cn_nonce);
-
- rc = crypto_box (initiate_box, initiate_plaintext,
- mlen, initiate_nonce, cn_server, cn_secret);
- zmq_assert (rc == 0);
-
- rc = msg_->init_size (113 + mlen - crypto_box_BOXZEROBYTES);
- errno_assert (rc == 0);
-
- uint8_t *initiate = static_cast <uint8_t *> (msg_->data ());
-
- memcpy (initiate, "\x08INITIATE", 9);
- // Cookie provided by the server in the WELCOME command
- memcpy (initiate + 9, cn_cookie, 96);
- // Short nonce, prefixed by "CurveZMQINITIATE"
- memcpy (initiate + 105, initiate_nonce + 16, 8);
- // Box [C + vouch + metadata](C'->S')
- memcpy (initiate + 113, initiate_box + crypto_box_BOXZEROBYTES,
- mlen - crypto_box_BOXZEROBYTES);
- cn_nonce++;
-
- return 0;
-}
-
-int zmq::curve_client_t::process_ready (
- const uint8_t *msg_data, size_t msg_size)
-{
- if (msg_size < 30) {
- errno = EPROTO;
- return -1;
- }
-
- const size_t clen = (msg_size - 14) + crypto_box_BOXZEROBYTES;
-
- uint8_t ready_nonce [crypto_box_NONCEBYTES];
- uint8_t ready_plaintext [crypto_box_ZEROBYTES + 256];
- uint8_t ready_box [crypto_box_BOXZEROBYTES + 16 + 256];
-
- memset (ready_box, 0, crypto_box_BOXZEROBYTES);
- memcpy (ready_box + crypto_box_BOXZEROBYTES,
- msg_data + 14, clen - crypto_box_BOXZEROBYTES);
-
- memcpy (ready_nonce, "CurveZMQREADY---", 16);
- memcpy (ready_nonce + 16, msg_data + 6, 8);
- cn_peer_nonce = get_uint64(msg_data + 6);
-
- int rc = crypto_box_open_afternm (ready_plaintext, ready_box,
- clen, ready_nonce, cn_precom);
-
- if (rc != 0) {
- errno = EPROTO;
- return -1;
- }
-
- rc = parse_metadata (ready_plaintext + crypto_box_ZEROBYTES,
- clen - crypto_box_ZEROBYTES);
- if (rc == 0)
- state = connected;
-
- return rc;
-}
-
-int zmq::curve_client_t::process_error (
- const uint8_t *msg_data, size_t msg_size)
-{
- if (state != expect_welcome && state != expect_ready) {
- errno = EPROTO;
- return -1;
- }
- if (msg_size < 7) {
- errno = EPROTO;
- return -1;
- }
- const size_t error_reason_len = static_cast <size_t> (msg_data [6]);
- if (error_reason_len > msg_size - 7) {
- errno = EPROTO;
- return -1;
- }
- state = error_received;
- return 0;
-}
-
-#endif