109 строки
3.6 KiB
C
109 строки
3.6 KiB
C
/*
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* This file is part of the SSH Library
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*
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* Copyright (c) 2009 by Aris Adamantiadis
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*
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* The SSH Library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version.
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*
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* The SSH Library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with the SSH Library; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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* MA 02111-1307, USA.
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*/
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#ifndef CHANNELS_H_
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#define CHANNELS_H_
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#include "libssh/priv.h"
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/** @internal
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* Describes the different possible states in a
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* outgoing (client) channel request
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*/
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enum ssh_channel_request_state_e {
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/** No request has been made */
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SSH_CHANNEL_REQ_STATE_NONE = 0,
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/** A request has been made and answer is pending */
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SSH_CHANNEL_REQ_STATE_PENDING,
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/** A request has been replied and accepted */
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SSH_CHANNEL_REQ_STATE_ACCEPTED,
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/** A request has been replied and refused */
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SSH_CHANNEL_REQ_STATE_DENIED,
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/** A request has been replied and an error happend */
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SSH_CHANNEL_REQ_STATE_ERROR
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};
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enum ssh_channel_state_e {
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SSH_CHANNEL_STATE_NOT_OPEN = 0,
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SSH_CHANNEL_STATE_OPENING,
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SSH_CHANNEL_STATE_OPEN_DENIED,
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SSH_CHANNEL_STATE_OPEN,
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SSH_CHANNEL_STATE_CLOSED
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};
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struct ssh_channel_struct {
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ssh_session session; /* SSH_SESSION pointer */
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uint32_t local_channel;
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uint32_t local_window;
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int local_eof;
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uint32_t local_maxpacket;
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uint32_t remote_channel;
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uint32_t remote_window;
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int remote_eof; /* end of file received */
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uint32_t remote_maxpacket;
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enum ssh_channel_state_e state;
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int delayed_close;
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ssh_buffer stdout_buffer;
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ssh_buffer stderr_buffer;
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void *userarg;
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int version;
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int exit_status;
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enum ssh_channel_request_state_e request_state;
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ssh_channel_callbacks callbacks;
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};
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SSH_PACKET_CALLBACK(ssh_packet_channel_open_conf);
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SSH_PACKET_CALLBACK(ssh_packet_channel_open_fail);
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SSH_PACKET_CALLBACK(ssh_packet_channel_success);
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SSH_PACKET_CALLBACK(ssh_packet_channel_failure);
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SSH_PACKET_CALLBACK(ssh_request_success);
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SSH_PACKET_CALLBACK(ssh_request_denied);
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SSH_PACKET_CALLBACK(channel_rcv_change_window);
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SSH_PACKET_CALLBACK(channel_rcv_eof);
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SSH_PACKET_CALLBACK(channel_rcv_close);
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SSH_PACKET_CALLBACK(channel_rcv_request);
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SSH_PACKET_CALLBACK(channel_rcv_data);
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ssh_channel ssh_channel_new(ssh_session session);
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int channel_default_bufferize(ssh_channel channel, void *data, int len,
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int is_stderr);
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uint32_t ssh_channel_new_id(ssh_session session);
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ssh_channel ssh_channel_from_local(ssh_session session, uint32_t id);
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int channel_write_common(ssh_channel channel, const void *data,
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uint32_t len, int is_stderr);
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#ifdef WITH_SSH1
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SSH_PACKET_CALLBACK(ssh_packet_data1);
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SSH_PACKET_CALLBACK(ssh_packet_close1);
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/* channels1.c */
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int channel_open_session1(ssh_channel channel);
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int channel_request_pty_size1(ssh_channel channel, const char *terminal,
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int cols, int rows);
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int channel_change_pty_size1(ssh_channel channel, int cols, int rows);
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int channel_request_shell1(ssh_channel channel);
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int channel_request_exec1(ssh_channel channel, const char *cmd);
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int channel_write1(ssh_channel channel, const void *data, int len);
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ssh_channel ssh_get_channel1(ssh_session session);
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#endif
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#endif /* CHANNELS_H_ */
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