144 lines
4.7 KiB
C
144 lines
4.7 KiB
C
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#if defined(ESP32)
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#ifndef __LIBSSH2_CHANNEL_H
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#define __LIBSSH2_CHANNEL_H
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/* Copyright (c) 2008-2010 by Daniel Stenberg
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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*
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* Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* Neither the name of the copyright holder nor the names
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* of any other contributors may be used to endorse or
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* promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*/
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/*
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* _libssh2_channel_receive_window_adjust
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*
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* Adjust the receive window for a channel by adjustment bytes. If the amount
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* to be adjusted is less than LIBSSH2_CHANNEL_MINADJUST and force is 0 the
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* adjustment amount will be queued for a later packet.
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*
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* Always non-blocking.
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*/
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int _libssh2_channel_receive_window_adjust(LIBSSH2_CHANNEL * channel,
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uint32_t adjustment,
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unsigned char force,
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unsigned int *store);
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/*
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* _libssh2_channel_flush
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*
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* Flush data from one (or all) stream
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* Returns number of bytes flushed, or negative on failure
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*/
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int _libssh2_channel_flush(LIBSSH2_CHANNEL *channel, int streamid);
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/*
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* _libssh2_channel_free
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*
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* Make sure a channel is closed, then remove the channel from the session
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* and free its resource(s)
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*
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* Returns 0 on success, negative on failure
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*/
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int _libssh2_channel_free(LIBSSH2_CHANNEL *channel);
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int
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_libssh2_channel_extended_data(LIBSSH2_CHANNEL *channel, int ignore_mode);
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/*
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* _libssh2_channel_write
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*
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* Send data to a channel
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*/
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ssize_t
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_libssh2_channel_write(LIBSSH2_CHANNEL *channel, int stream_id,
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const unsigned char *buf, size_t buflen);
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/*
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* _libssh2_channel_open
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*
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* Establish a generic session channel
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*/
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LIBSSH2_CHANNEL *
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_libssh2_channel_open(LIBSSH2_SESSION * session, const char *channel_type,
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uint32_t channel_type_len,
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uint32_t window_size,
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uint32_t packet_size,
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const unsigned char *message, size_t message_len);
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/*
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* _libssh2_channel_process_startup
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*
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* Primitive for libssh2_channel_(shell|exec|subsystem)
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*/
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int
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_libssh2_channel_process_startup(LIBSSH2_CHANNEL *channel,
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const char *request, size_t request_len,
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const char *message, size_t message_len);
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/*
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* _libssh2_channel_read
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*
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* Read data from a channel
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*
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* It is important to not return 0 until the currently read channel is
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* complete. If we read stuff from the wire but it was no payload data to fill
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* in the buffer with, we MUST make sure to return PACKET_EAGAIN.
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*/
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ssize_t _libssh2_channel_read(LIBSSH2_CHANNEL *channel, int stream_id,
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char *buf, size_t buflen);
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uint32_t _libssh2_channel_nextid(LIBSSH2_SESSION * session);
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LIBSSH2_CHANNEL *_libssh2_channel_locate(LIBSSH2_SESSION * session,
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uint32_t channel_id);
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size_t _libssh2_channel_packet_data_len(LIBSSH2_CHANNEL * channel,
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int stream_id);
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int _libssh2_channel_close(LIBSSH2_CHANNEL * channel);
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/*
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* _libssh2_channel_forward_cancel
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*
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* Stop listening on a remote port and free the listener
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* Toss out any pending (un-accept()ed) connections
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*
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* Return 0 on success, LIBSSH2_ERROR_EAGAIN if would block, -1 on error
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*/
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int _libssh2_channel_forward_cancel(LIBSSH2_LISTENER *listener);
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#endif /* __LIBSSH2_CHANNEL_H */
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#endif
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