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138 lines
2.8 KiB
C
138 lines
2.8 KiB
C
/*
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dtach - A simple program that emulates the detach feature of screen.
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Copyright (C) 2001, 2004-2016 Ned T. Crigler
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef dtach_h
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#define dtach_h
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#include <config.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#if TIME_WITH_SYS_TIME
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#include <sys/time.h>
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#include <time.h>
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#else
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#if HAVE_SYS_TIME_H
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#include <sys/time.h>
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#else
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#include <time.h>
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#endif
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#endif
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#ifdef HAVE_PTY_H
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#include <pty.h>
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#endif
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#ifdef HAVE_UTIL_H
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#include <util.h>
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#endif
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#ifdef HAVE_LIBUTIL_H
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#include <libutil.h>
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#endif
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#ifdef HAVE_STROPTS_H
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#include <stropts.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#ifdef HAVE_SYS_RESOURCE_H
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#include <sys/resource.h>
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#endif
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#include <termios.h>
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#include <sys/select.h>
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#include <sys/stat.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#ifndef S_ISREG
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#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
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#endif
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#ifndef S_ISSOCK
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#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
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#endif
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extern char *progname, *sockname;
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extern int detach_char, no_suspend, redraw_method;
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extern struct termios orig_term;
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extern int dont_have_tty;
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enum
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{
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MSG_PUSH = 0,
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MSG_ATTACH = 1,
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MSG_DETACH = 2,
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MSG_WINCH = 3,
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MSG_REDRAW = 4,
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};
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enum
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{
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REDRAW_UNSPEC = 0,
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REDRAW_NONE = 1,
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REDRAW_CTRL_L = 2,
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REDRAW_WINCH = 3,
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};
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/* The client to master protocol. */
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struct packet
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{
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unsigned char type;
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unsigned char len;
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union
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{
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unsigned char buf[sizeof(struct winsize)];
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struct winsize ws;
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} u;
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};
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/*
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** The master sends a simple stream of text to the attaching clients, without
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** any protocol. This might change back to the packet based protocol in the
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** future. In the meantime, however, we minimize the amount of data sent back
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** and forth between the client and the master. BUFSIZE is the size of the
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** buffer used for the text stream.
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*/
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#define BUFSIZE 4096
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/* This hopefully moves to the bottom of the screen */
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#define EOS "\033[999H"
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int attach_main(int noerror);
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int master_main(char **argv, int waitattach, int dontfork);
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int push_main(void);
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#ifdef sun
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#define BROKEN_MASTER
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#endif
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#endif
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