mirror of
https://github.com/zhaojh329/rtty.git
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131 lines
3.1 KiB
C
131 lines
3.1 KiB
C
/*
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* MIT License
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*
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* Copyright (c) 2019 Jianhui Zhao <zhaojh329@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef RTTY_RTTY_H
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#define RTTY_RTTY_H
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#include <stdbool.h>
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#include <ev.h>
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#include "config.h"
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#include "buffer.h"
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#include "file.h"
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#include "list.h"
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#ifdef SSL_SUPPORT
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#include "ssl/ssl.h"
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#endif
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#define RTTY_PROTO_VER 5
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#define RTTY_MAX_TTY 10
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#define RTTY_HEARTBEAT_TIMEOUT 3.0
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#define RTTY_TTY_TIMEOUT 600
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#define RTTY_TTY_ACK_BLOCK 4096
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enum {
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MSG_TYPE_REGISTER,
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MSG_TYPE_LOGIN,
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MSG_TYPE_LOGOUT,
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MSG_TYPE_TERMDATA,
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MSG_TYPE_WINSIZE,
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MSG_TYPE_CMD,
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MSG_TYPE_HEARTBEAT,
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MSG_TYPE_FILE,
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MSG_TYPE_HTTP,
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MSG_TYPE_ACK,
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MSG_TYPE_MAX = MSG_TYPE_ACK
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};
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enum {
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MSG_REG_ATTR_HEARTBEAT,
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MSG_REG_ATTR_DEVID,
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MSG_REG_ATTR_DESCRIPTION,
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MSG_REG_ATTR_TOKEN
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};
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enum {
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MSG_HEARTBEAT_ATTR_UPTIME,
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};
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enum {
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RTTY_STATE_DISCONNECTED,
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RTTY_STATE_CONNECTED
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};
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struct rtty;
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struct tty {
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pid_t pid;
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int pty;
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char sid[33];
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struct ev_io ior;
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struct ev_io iow;
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struct ev_child cw;
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struct buffer wb;
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struct rtty *rtty;
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ev_tstamp active;
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uint32_t wait_ack;
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struct ev_timer tmr;
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struct list_head node;
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struct file_context file;
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};
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struct rtty {
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char login_path[128]; /* /bin/login */
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const char *host;
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int port;
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int sock;
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const char *devid;
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const char *token; /* authorization token */
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const char *description;
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const char *username;
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bool ssl_on;
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struct buffer rb;
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struct buffer wb;
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struct ev_io iow;
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struct ev_io ior;
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struct ev_timer tmr;
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struct ev_loop *loop;
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int heartbeat;
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double last_heartbeat;
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bool wait_heartbeat;
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bool registered;
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bool reconnect;
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#ifdef SSL_SUPPORT
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struct ssl_context *ssl_ctx;
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bool insecure;
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bool ssl_negotiated;
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void *ssl;
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#endif
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int ntty; /* tty number */
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struct list_head ttys;
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struct list_head http_conns;
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};
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int rtty_start(struct rtty *rtty);
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void rtty_exit(struct rtty *rtty);
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void rtty_send_msg(struct rtty *rtty, int type, void *data, int len);
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#endif
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