| #ifndef __LIBSSH2_TRANSPORT_H |
| #define __LIBSSH2_TRANSPORT_H |
| |
| /* Copyright (C) 2007 The Written Word, Inc. All rights reserved. |
| * Copyright (C) 2009-2010 by Daniel Stenberg |
| * Author: Daniel Stenberg <daniel@haxx.se> |
| * |
| * Redistribution and use in source and binary forms, |
| * with or without modification, are permitted provided |
| * that the following conditions are met: |
| * |
| * Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the |
| * following disclaimer. |
| * |
| * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * Neither the name of the copyright holder nor the names |
| * of any other contributors may be used to endorse or |
| * promote products derived from this software without |
| * specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
| * OF SUCH DAMAGE. |
| * |
| * This file handles reading and writing to the SECSH transport layer. RFC4253. |
| */ |
| |
| #include "libssh2_priv.h" |
| #include "packet.h" |
| |
| |
| /* |
| * libssh2_transport_send |
| * |
| * Send a packet, encrypting it and adding a MAC code if necessary |
| * Returns 0 on success, non-zero on failure. |
| * |
| * The data is provided as _two_ data areas that are combined by this |
| * function. The 'data' part is sent immediately before 'data2'. 'data2' can |
| * be set to NULL (or data2_len to 0) to only use a single part. |
| * |
| * Returns LIBSSH2_ERROR_EAGAIN if it would block or if the whole packet was |
| * not sent yet. If it does so, the caller should call this function again as |
| * soon as it is likely that more data can be sent, and this function MUST |
| * then be called with the same argument set (same data pointer and same |
| * data_len) until ERROR_NONE or failure is returned. |
| * |
| * This function DOES NOT call _libssh2_error() on any errors. |
| */ |
| int _libssh2_transport_send(LIBSSH2_SESSION *session, |
| const unsigned char *data, size_t data_len, |
| const unsigned char *data2, size_t data2_len); |
| |
| /* |
| * _libssh2_transport_read |
| * |
| * Collect a packet into the input brigade block only controls whether or not |
| * to wait for a packet to start. |
| * |
| * Returns packet type added to input brigade (PACKET_NONE if nothing added), |
| * or PACKET_FAIL on failure and PACKET_EAGAIN if it couldn't process a full |
| * packet. |
| */ |
| |
| /* |
| * This function reads the binary stream as specified in chapter 6 of RFC4253 |
| * "The Secure Shell (SSH) Transport Layer Protocol" |
| */ |
| int _libssh2_transport_read(LIBSSH2_SESSION * session); |
| |
| #endif /* __LIBSSH2_TRANSPORT_H */ |
