2334 lines
47 KiB
C
2334 lines
47 KiB
C
/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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#if 0
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static const char sccsid[] = "@(#)sys_term.c 8.4+1 (Berkeley) 5/30/95";
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#endif
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include "telnetd.h"
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#include "pathnames.h"
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#if defined(AUTHENTICATION)
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#include <libtelnet/auth.h>
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#endif
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extern char *altlogin;
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int cleanopen(char *line);
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void scrub_env(void);
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#if defined(CRAY) || defined(__hpux)
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# define PARENT_DOES_UTMP
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#endif
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#ifdef NEWINIT
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#include <initreq.h>
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#else /* NEWINIT*/
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# ifdef UTMPX
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# include <utmpx.h>
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struct utmpx wtmp;
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# else
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# include <utmp.h>
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struct utmp wtmp;
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# endif /* UTMPX */
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# ifndef PARENT_DOES_UTMP
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#ifdef _PATH_WTMP
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char wtmpf[] = _PATH_WTMP;
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#else
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char wtmpf[] = "/usr/adm/wtmp";
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#endif
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#ifdef _PATH_UTMP
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char utmpf[] = _PATH_UTMP;
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#else
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char utmpf[] = "/etc/utmp";
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#endif
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# else /* PARENT_DOES_UTMP */
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char wtmpf[] = "/etc/wtmp";
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# endif /* PARENT_DOES_UTMP */
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#include <libutil.h>
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# ifdef CRAY
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#include <tmpdir.h>
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#include <sys/wait.h>
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# if (UNICOS_LVL == '7.0') || (UNICOS_LVL == '7.1')
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# define UNICOS7x
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# endif
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# ifdef UNICOS7x
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#include <sys/sysv.h>
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#include <sys/secstat.h>
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extern int secflag;
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extern struct sysv sysv;
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# endif /* UNICOS7x */
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# endif /* CRAY */
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#endif /* NEWINIT */
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#ifdef STREAMSPTY
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#include <sac.h>
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#include <sys/stropts.h>
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#endif
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#define SCPYN(a, b) (void) strncpy(a, b, sizeof(a))
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#define SCMPN(a, b) strncmp(a, b, sizeof(a))
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#ifdef STREAMS
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#include <sys/stream.h>
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#endif
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#ifdef __hpux
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#include <sys/resource.h>
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#include <sys/proc.h>
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#endif
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#include <sys/tty.h>
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#ifdef t_erase
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#undef t_erase
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#undef t_kill
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#undef t_intrc
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#undef t_quitc
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#undef t_startc
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#undef t_stopc
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#undef t_eofc
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#undef t_brkc
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#undef t_suspc
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#undef t_dsuspc
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#undef t_rprntc
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#undef t_flushc
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#undef t_werasc
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#undef t_lnextc
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#endif
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#if defined(UNICOS5) && defined(CRAY2) && !defined(EXTPROC)
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# define EXTPROC 0400
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#endif
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#ifndef USE_TERMIO
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struct termbuf {
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struct sgttyb sg;
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struct tchars tc;
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struct ltchars ltc;
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int state;
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int lflags;
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} termbuf, termbuf2;
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# define cfsetospeed(tp, val) (tp)->sg.sg_ospeed = (val)
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# define cfsetispeed(tp, val) (tp)->sg.sg_ispeed = (val)
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# define cfgetospeed(tp) (tp)->sg.sg_ospeed
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# define cfgetispeed(tp) (tp)->sg.sg_ispeed
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#else /* USE_TERMIO */
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# ifdef SYSV_TERMIO
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# define termios termio
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# endif
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# ifndef TCSANOW
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# ifdef TCSETS
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# define TCSANOW TCSETS
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# define TCSADRAIN TCSETSW
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# define tcgetattr(f, t) ioctl(f, TCGETS, (char *)t)
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# else
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# ifdef TCSETA
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# define TCSANOW TCSETA
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# define TCSADRAIN TCSETAW
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# define tcgetattr(f, t) ioctl(f, TCGETA, (char *)t)
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# else
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# define TCSANOW TIOCSETA
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# define TCSADRAIN TIOCSETAW
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# define tcgetattr(f, t) ioctl(f, TIOCGETA, (char *)t)
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# endif
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# endif
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# define tcsetattr(f, a, t) ioctl(f, a, t)
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# define cfsetospeed(tp, val) (tp)->c_cflag &= ~CBAUD; \
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(tp)->c_cflag |= (val)
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# define cfgetospeed(tp) ((tp)->c_cflag & CBAUD)
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# ifdef CIBAUD
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# define cfsetispeed(tp, val) (tp)->c_cflag &= ~CIBAUD; \
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(tp)->c_cflag |= ((val)<<IBSHIFT)
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# define cfgetispeed(tp) (((tp)->c_cflag & CIBAUD)>>IBSHIFT)
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# else
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# define cfsetispeed(tp, val) (tp)->c_cflag &= ~CBAUD; \
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(tp)->c_cflag |= (val)
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# define cfgetispeed(tp) ((tp)->c_cflag & CBAUD)
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# endif
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# endif /* TCSANOW */
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struct termios termbuf, termbuf2; /* pty control structure */
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# ifdef STREAMSPTY
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int ttyfd = -1;
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# endif
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#endif /* USE_TERMIO */
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#include <sys/types.h>
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#include <libutil.h>
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int cleanopen __P((char *));
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void scrub_env __P((void));
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/*
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* init_termbuf()
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* copy_termbuf(cp)
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* set_termbuf()
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*
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* These three routines are used to get and set the "termbuf" structure
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* to and from the kernel. init_termbuf() gets the current settings.
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* copy_termbuf() hands in a new "termbuf" to write to the kernel, and
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* set_termbuf() writes the structure into the kernel.
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*/
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void
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init_termbuf()
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{
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#ifndef USE_TERMIO
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(void) ioctl(pty, TIOCGETP, (char *)&termbuf.sg);
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(void) ioctl(pty, TIOCGETC, (char *)&termbuf.tc);
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(void) ioctl(pty, TIOCGLTC, (char *)&termbuf.ltc);
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# ifdef TIOCGSTATE
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(void) ioctl(pty, TIOCGSTATE, (char *)&termbuf.state);
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# endif
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#else
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# ifdef STREAMSPTY
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(void) tcgetattr(ttyfd, &termbuf);
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# else
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(void) tcgetattr(pty, &termbuf);
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# endif
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#endif
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termbuf2 = termbuf;
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}
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#if defined(LINEMODE) && defined(TIOCPKT_IOCTL)
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void
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copy_termbuf(cp, len)
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char *cp;
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int len;
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{
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if (len > sizeof(termbuf))
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len = sizeof(termbuf);
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memmove((char *)&termbuf, cp, len);
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termbuf2 = termbuf;
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}
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#endif /* defined(LINEMODE) && defined(TIOCPKT_IOCTL) */
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void
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set_termbuf()
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{
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/*
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* Only make the necessary changes.
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*/
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#ifndef USE_TERMIO
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if (memcmp((char *)&termbuf.sg, (char *)&termbuf2.sg,
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sizeof(termbuf.sg)))
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(void) ioctl(pty, TIOCSETN, (char *)&termbuf.sg);
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if (memcmp((char *)&termbuf.tc, (char *)&termbuf2.tc,
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sizeof(termbuf.tc)))
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(void) ioctl(pty, TIOCSETC, (char *)&termbuf.tc);
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if (memcmp((char *)&termbuf.ltc, (char *)&termbuf2.ltc,
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sizeof(termbuf.ltc)))
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(void) ioctl(pty, TIOCSLTC, (char *)&termbuf.ltc);
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if (termbuf.lflags != termbuf2.lflags)
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(void) ioctl(pty, TIOCLSET, (char *)&termbuf.lflags);
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#else /* USE_TERMIO */
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if (memcmp((char *)&termbuf, (char *)&termbuf2, sizeof(termbuf)))
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# ifdef STREAMSPTY
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(void) tcsetattr(ttyfd, TCSANOW, &termbuf);
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# else
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(void) tcsetattr(pty, TCSANOW, &termbuf);
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# endif
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# if defined(CRAY2) && defined(UNICOS5)
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needtermstat = 1;
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# endif
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#endif /* USE_TERMIO */
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}
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/*
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* spcset(func, valp, valpp)
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*
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* This function takes various special characters (func), and
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* sets *valp to the current value of that character, and
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* *valpp to point to where in the "termbuf" structure that
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* value is kept.
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*
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* It returns the SLC_ level of support for this function.
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*/
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#ifndef USE_TERMIO
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int
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spcset(func, valp, valpp)
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int func;
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cc_t *valp;
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cc_t **valpp;
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{
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switch(func) {
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case SLC_EOF:
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*valp = termbuf.tc.t_eofc;
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*valpp = (cc_t *)&termbuf.tc.t_eofc;
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return(SLC_VARIABLE);
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case SLC_EC:
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*valp = termbuf.sg.sg_erase;
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*valpp = (cc_t *)&termbuf.sg.sg_erase;
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return(SLC_VARIABLE);
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case SLC_EL:
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*valp = termbuf.sg.sg_kill;
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*valpp = (cc_t *)&termbuf.sg.sg_kill;
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return(SLC_VARIABLE);
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case SLC_IP:
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*valp = termbuf.tc.t_intrc;
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*valpp = (cc_t *)&termbuf.tc.t_intrc;
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return(SLC_VARIABLE|SLC_FLUSHIN|SLC_FLUSHOUT);
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case SLC_ABORT:
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*valp = termbuf.tc.t_quitc;
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*valpp = (cc_t *)&termbuf.tc.t_quitc;
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return(SLC_VARIABLE|SLC_FLUSHIN|SLC_FLUSHOUT);
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case SLC_XON:
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*valp = termbuf.tc.t_startc;
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*valpp = (cc_t *)&termbuf.tc.t_startc;
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return(SLC_VARIABLE);
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case SLC_XOFF:
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*valp = termbuf.tc.t_stopc;
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*valpp = (cc_t *)&termbuf.tc.t_stopc;
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return(SLC_VARIABLE);
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case SLC_AO:
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*valp = termbuf.ltc.t_flushc;
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*valpp = (cc_t *)&termbuf.ltc.t_flushc;
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return(SLC_VARIABLE);
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case SLC_SUSP:
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*valp = termbuf.ltc.t_suspc;
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*valpp = (cc_t *)&termbuf.ltc.t_suspc;
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return(SLC_VARIABLE);
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case SLC_EW:
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*valp = termbuf.ltc.t_werasc;
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*valpp = (cc_t *)&termbuf.ltc.t_werasc;
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return(SLC_VARIABLE);
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case SLC_RP:
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*valp = termbuf.ltc.t_rprntc;
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*valpp = (cc_t *)&termbuf.ltc.t_rprntc;
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return(SLC_VARIABLE);
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case SLC_LNEXT:
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*valp = termbuf.ltc.t_lnextc;
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*valpp = (cc_t *)&termbuf.ltc.t_lnextc;
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return(SLC_VARIABLE);
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case SLC_FORW1:
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*valp = termbuf.tc.t_brkc;
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*valpp = (cc_t *)&termbuf.ltc.t_lnextc;
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return(SLC_VARIABLE);
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case SLC_BRK:
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case SLC_SYNCH:
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case SLC_AYT:
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case SLC_EOR:
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*valp = (cc_t)0;
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*valpp = (cc_t *)0;
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return(SLC_DEFAULT);
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default:
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*valp = (cc_t)0;
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*valpp = (cc_t *)0;
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return(SLC_NOSUPPORT);
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}
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}
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#else /* USE_TERMIO */
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int
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spcset(func, valp, valpp)
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int func;
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cc_t *valp;
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cc_t **valpp;
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{
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#define setval(a, b) *valp = termbuf.c_cc[a]; \
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*valpp = &termbuf.c_cc[a]; \
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return(b);
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#define defval(a) *valp = ((cc_t)a); *valpp = (cc_t *)0; return(SLC_DEFAULT);
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switch(func) {
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case SLC_EOF:
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setval(VEOF, SLC_VARIABLE);
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case SLC_EC:
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setval(VERASE, SLC_VARIABLE);
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case SLC_EL:
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setval(VKILL, SLC_VARIABLE);
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case SLC_IP:
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setval(VINTR, SLC_VARIABLE|SLC_FLUSHIN|SLC_FLUSHOUT);
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case SLC_ABORT:
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setval(VQUIT, SLC_VARIABLE|SLC_FLUSHIN|SLC_FLUSHOUT);
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case SLC_XON:
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#ifdef VSTART
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setval(VSTART, SLC_VARIABLE);
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#else
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defval(0x13);
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#endif
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case SLC_XOFF:
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#ifdef VSTOP
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setval(VSTOP, SLC_VARIABLE);
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#else
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defval(0x11);
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#endif
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case SLC_EW:
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#ifdef VWERASE
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setval(VWERASE, SLC_VARIABLE);
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#else
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defval(0);
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#endif
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case SLC_RP:
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#ifdef VREPRINT
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setval(VREPRINT, SLC_VARIABLE);
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#else
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defval(0);
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#endif
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case SLC_LNEXT:
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#ifdef VLNEXT
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setval(VLNEXT, SLC_VARIABLE);
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#else
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defval(0);
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#endif
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case SLC_AO:
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#if !defined(VDISCARD) && defined(VFLUSHO)
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# define VDISCARD VFLUSHO
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#endif
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#ifdef VDISCARD
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setval(VDISCARD, SLC_VARIABLE|SLC_FLUSHOUT);
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#else
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defval(0);
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#endif
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case SLC_SUSP:
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#ifdef VSUSP
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setval(VSUSP, SLC_VARIABLE|SLC_FLUSHIN);
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#else
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defval(0);
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#endif
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#ifdef VEOL
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case SLC_FORW1:
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setval(VEOL, SLC_VARIABLE);
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#endif
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#ifdef VEOL2
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case SLC_FORW2:
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setval(VEOL2, SLC_VARIABLE);
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#endif
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case SLC_AYT:
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#ifdef VSTATUS
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setval(VSTATUS, SLC_VARIABLE);
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#else
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defval(0);
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#endif
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case SLC_BRK:
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case SLC_SYNCH:
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case SLC_EOR:
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defval(0);
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default:
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*valp = 0;
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*valpp = 0;
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return(SLC_NOSUPPORT);
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}
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}
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#endif /* USE_TERMIO */
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|
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#ifdef CRAY
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/*
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* getnpty()
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*
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* Return the number of pty's configured into the system.
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*/
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int
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getnpty()
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{
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#ifdef _SC_CRAY_NPTY
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int numptys;
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if ((numptys = sysconf(_SC_CRAY_NPTY)) != -1)
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return numptys;
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else
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#endif /* _SC_CRAY_NPTY */
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return 128;
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}
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#endif /* CRAY */
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|
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#ifndef convex
|
|
/*
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* getpty()
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*
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* Allocate a pty. As a side effect, the external character
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|
* array "line" contains the name of the slave side.
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|
*
|
|
* Returns the file descriptor of the opened pty.
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|
*/
|
|
#ifndef __GNUC__
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|
char *line = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
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|
#else
|
|
static char Xline[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
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|
char *line = Xline;
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|
#endif
|
|
#ifdef CRAY
|
|
char *myline = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
|
|
#endif /* CRAY */
|
|
|
|
int
|
|
getpty(ptynum)
|
|
int *ptynum;
|
|
{
|
|
register int p;
|
|
#ifdef STREAMSPTY
|
|
int t;
|
|
char *ptsname();
|
|
|
|
p = open("/dev/ptmx", 2);
|
|
if (p > 0) {
|
|
grantpt(p);
|
|
unlockpt(p);
|
|
strcpy(line, ptsname(p));
|
|
return(p);
|
|
}
|
|
|
|
#else /* ! STREAMSPTY */
|
|
#ifndef CRAY
|
|
register char *cp, *p1, *p2;
|
|
register int i;
|
|
#if defined(sun) && defined(TIOCGPGRP) && BSD < 199207
|
|
int dummy;
|
|
#endif
|
|
|
|
#ifndef __hpux
|
|
(void) strcpy(line, "/dev/ptyXX");
|
|
p1 = &line[8];
|
|
p2 = &line[9];
|
|
#else
|
|
(void) strcpy(line, "/dev/ptym/ptyXX");
|
|
p1 = &line[13];
|
|
p2 = &line[14];
|
|
#endif
|
|
|
|
for (cp = "pqrsPQRS"; *cp; cp++) {
|
|
struct stat stb;
|
|
|
|
*p1 = *cp;
|
|
*p2 = '0';
|
|
/*
|
|
* This stat() check is just to keep us from
|
|
* looping through all 256 combinations if there
|
|
* aren't that many ptys available.
|
|
*/
|
|
if (stat(line, &stb) < 0)
|
|
break;
|
|
for (i = 0; i < 32; i++) {
|
|
*p2 = "0123456789abcdefghijklmnopqrstuv"[i];
|
|
p = open(line, 2);
|
|
if (p > 0) {
|
|
#ifndef __hpux
|
|
line[5] = 't';
|
|
#else
|
|
for (p1 = &line[8]; *p1; p1++)
|
|
*p1 = *(p1+1);
|
|
line[9] = 't';
|
|
#endif
|
|
chown(line, 0, 0);
|
|
chmod(line, 0600);
|
|
#if defined(sun) && defined(TIOCGPGRP) && BSD < 199207
|
|
if (ioctl(p, TIOCGPGRP, &dummy) == 0
|
|
|| errno != EIO) {
|
|
chmod(line, 0666);
|
|
close(p);
|
|
line[5] = 'p';
|
|
} else
|
|
#endif /* defined(sun) && defined(TIOCGPGRP) && BSD < 199207 */
|
|
return(p);
|
|
}
|
|
}
|
|
}
|
|
#else /* CRAY */
|
|
extern lowpty, highpty;
|
|
struct stat sb;
|
|
|
|
for (*ptynum = lowpty; *ptynum <= highpty; (*ptynum)++) {
|
|
(void) sprintf(myline, "/dev/pty/%03d", *ptynum);
|
|
p = open(myline, 2);
|
|
if (p < 0)
|
|
continue;
|
|
(void) sprintf(line, "/dev/ttyp%03d", *ptynum);
|
|
/*
|
|
* Here are some shenanigans to make sure that there
|
|
* are no listeners lurking on the line.
|
|
*/
|
|
if(stat(line, &sb) < 0) {
|
|
(void) close(p);
|
|
continue;
|
|
}
|
|
if(sb.st_uid || sb.st_gid || sb.st_mode != 0600) {
|
|
chown(line, 0, 0);
|
|
chmod(line, 0600);
|
|
(void)close(p);
|
|
p = open(myline, 2);
|
|
if (p < 0)
|
|
continue;
|
|
}
|
|
/*
|
|
* Now it should be safe...check for accessability.
|
|
*/
|
|
if (access(line, 6) == 0)
|
|
return(p);
|
|
else {
|
|
/* no tty side to pty so skip it */
|
|
(void) close(p);
|
|
}
|
|
}
|
|
#endif /* CRAY */
|
|
#endif /* STREAMSPTY */
|
|
return(-1);
|
|
}
|
|
#endif /* convex */
|
|
|
|
#ifdef LINEMODE
|
|
/*
|
|
* tty_flowmode() Find out if flow control is enabled or disabled.
|
|
* tty_linemode() Find out if linemode (external processing) is enabled.
|
|
* tty_setlinemod(on) Turn on/off linemode.
|
|
* tty_isecho() Find out if echoing is turned on.
|
|
* tty_setecho(on) Enable/disable character echoing.
|
|
* tty_israw() Find out if terminal is in RAW mode.
|
|
* tty_binaryin(on) Turn on/off BINARY on input.
|
|
* tty_binaryout(on) Turn on/off BINARY on output.
|
|
* tty_isediting() Find out if line editing is enabled.
|
|
* tty_istrapsig() Find out if signal trapping is enabled.
|
|
* tty_setedit(on) Turn on/off line editing.
|
|
* tty_setsig(on) Turn on/off signal trapping.
|
|
* tty_issofttab() Find out if tab expansion is enabled.
|
|
* tty_setsofttab(on) Turn on/off soft tab expansion.
|
|
* tty_islitecho() Find out if typed control chars are echoed literally
|
|
* tty_setlitecho() Turn on/off literal echo of control chars
|
|
* tty_tspeed(val) Set transmit speed to val.
|
|
* tty_rspeed(val) Set receive speed to val.
|
|
*/
|
|
|
|
#ifdef convex
|
|
static int linestate;
|
|
#endif
|
|
|
|
int
|
|
tty_linemode()
|
|
{
|
|
#ifndef convex
|
|
#ifndef USE_TERMIO
|
|
return(termbuf.state & TS_EXTPROC);
|
|
#else
|
|
return(termbuf.c_lflag & EXTPROC);
|
|
#endif
|
|
#else
|
|
return(linestate);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
tty_setlinemode(on)
|
|
int on;
|
|
{
|
|
#ifdef TIOCEXT
|
|
# ifndef convex
|
|
set_termbuf();
|
|
# else
|
|
linestate = on;
|
|
# endif
|
|
(void) ioctl(pty, TIOCEXT, (char *)&on);
|
|
# ifndef convex
|
|
init_termbuf();
|
|
# endif
|
|
#else /* !TIOCEXT */
|
|
# ifdef EXTPROC
|
|
if (on)
|
|
termbuf.c_lflag |= EXTPROC;
|
|
else
|
|
termbuf.c_lflag &= ~EXTPROC;
|
|
# endif
|
|
#endif /* TIOCEXT */
|
|
}
|
|
#endif /* LINEMODE */
|
|
|
|
int
|
|
tty_isecho()
|
|
{
|
|
#ifndef USE_TERMIO
|
|
return (termbuf.sg.sg_flags & ECHO);
|
|
#else
|
|
return (termbuf.c_lflag & ECHO);
|
|
#endif
|
|
}
|
|
|
|
int
|
|
tty_flowmode()
|
|
{
|
|
#ifndef USE_TERMIO
|
|
return(((termbuf.tc.t_startc) > 0 && (termbuf.tc.t_stopc) > 0) ? 1 : 0);
|
|
#else
|
|
return((termbuf.c_iflag & IXON) ? 1 : 0);
|
|
#endif
|
|
}
|
|
|
|
int
|
|
tty_restartany()
|
|
{
|
|
#ifndef USE_TERMIO
|
|
# ifdef DECCTQ
|
|
return((termbuf.lflags & DECCTQ) ? 0 : 1);
|
|
# else
|
|
return(-1);
|
|
# endif
|
|
#else
|
|
return((termbuf.c_iflag & IXANY) ? 1 : 0);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
tty_setecho(on)
|
|
int on;
|
|
{
|
|
#ifndef USE_TERMIO
|
|
if (on)
|
|
termbuf.sg.sg_flags |= ECHO|CRMOD;
|
|
else
|
|
termbuf.sg.sg_flags &= ~(ECHO|CRMOD);
|
|
#else
|
|
if (on)
|
|
termbuf.c_lflag |= ECHO;
|
|
else
|
|
termbuf.c_lflag &= ~ECHO;
|
|
#endif
|
|
}
|
|
|
|
int
|
|
tty_israw()
|
|
{
|
|
#ifndef USE_TERMIO
|
|
return(termbuf.sg.sg_flags & RAW);
|
|
#else
|
|
return(!(termbuf.c_lflag & ICANON));
|
|
#endif
|
|
}
|
|
|
|
#if defined (AUTHENTICATION) && defined(NO_LOGIN_F) && defined(LOGIN_R)
|
|
int
|
|
tty_setraw(on)
|
|
{
|
|
# ifndef USE_TERMIO
|
|
if (on)
|
|
termbuf.sg.sg_flags |= RAW;
|
|
else
|
|
termbuf.sg.sg_flags &= ~RAW;
|
|
# else
|
|
if (on)
|
|
termbuf.c_lflag &= ~ICANON;
|
|
else
|
|
termbuf.c_lflag |= ICANON;
|
|
# endif
|
|
}
|
|
#endif
|
|
|
|
void
|
|
tty_binaryin(on)
|
|
int on;
|
|
{
|
|
#ifndef USE_TERMIO
|
|
if (on)
|
|
termbuf.lflags |= LPASS8;
|
|
else
|
|
termbuf.lflags &= ~LPASS8;
|
|
#else
|
|
if (on) {
|
|
termbuf.c_iflag &= ~ISTRIP;
|
|
} else {
|
|
termbuf.c_iflag |= ISTRIP;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void
|
|
tty_binaryout(on)
|
|
int on;
|
|
{
|
|
#ifndef USE_TERMIO
|
|
if (on)
|
|
termbuf.lflags |= LLITOUT;
|
|
else
|
|
termbuf.lflags &= ~LLITOUT;
|
|
#else
|
|
if (on) {
|
|
termbuf.c_cflag &= ~(CSIZE|PARENB);
|
|
termbuf.c_cflag |= CS8;
|
|
termbuf.c_oflag &= ~OPOST;
|
|
} else {
|
|
termbuf.c_cflag &= ~CSIZE;
|
|
termbuf.c_cflag |= CS7|PARENB;
|
|
termbuf.c_oflag |= OPOST;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
int
|
|
tty_isbinaryin()
|
|
{
|
|
#ifndef USE_TERMIO
|
|
return(termbuf.lflags & LPASS8);
|
|
#else
|
|
return(!(termbuf.c_iflag & ISTRIP));
|
|
#endif
|
|
}
|
|
|
|
int
|
|
tty_isbinaryout()
|
|
{
|
|
#ifndef USE_TERMIO
|
|
return(termbuf.lflags & LLITOUT);
|
|
#else
|
|
return(!(termbuf.c_oflag&OPOST));
|
|
#endif
|
|
}
|
|
|
|
#ifdef LINEMODE
|
|
int
|
|
tty_isediting()
|
|
{
|
|
#ifndef USE_TERMIO
|
|
return(!(termbuf.sg.sg_flags & (CBREAK|RAW)));
|
|
#else
|
|
return(termbuf.c_lflag & ICANON);
|
|
#endif
|
|
}
|
|
|
|
int
|
|
tty_istrapsig()
|
|
{
|
|
#ifndef USE_TERMIO
|
|
return(!(termbuf.sg.sg_flags&RAW));
|
|
#else
|
|
return(termbuf.c_lflag & ISIG);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
tty_setedit(on)
|
|
int on;
|
|
{
|
|
#ifndef USE_TERMIO
|
|
if (on)
|
|
termbuf.sg.sg_flags &= ~CBREAK;
|
|
else
|
|
termbuf.sg.sg_flags |= CBREAK;
|
|
#else
|
|
if (on)
|
|
termbuf.c_lflag |= ICANON;
|
|
else
|
|
termbuf.c_lflag &= ~ICANON;
|
|
#endif
|
|
}
|
|
|
|
void
|
|
tty_setsig(on)
|
|
int on;
|
|
{
|
|
#ifndef USE_TERMIO
|
|
if (on)
|
|
;
|
|
#else
|
|
if (on)
|
|
termbuf.c_lflag |= ISIG;
|
|
else
|
|
termbuf.c_lflag &= ~ISIG;
|
|
#endif
|
|
}
|
|
#endif /* LINEMODE */
|
|
|
|
int
|
|
tty_issofttab()
|
|
{
|
|
#ifndef USE_TERMIO
|
|
return (termbuf.sg.sg_flags & XTABS);
|
|
#else
|
|
# ifdef OXTABS
|
|
return (termbuf.c_oflag & OXTABS);
|
|
# endif
|
|
# ifdef TABDLY
|
|
return ((termbuf.c_oflag & TABDLY) == TAB3);
|
|
# endif
|
|
#endif
|
|
}
|
|
|
|
void
|
|
tty_setsofttab(on)
|
|
int on;
|
|
{
|
|
#ifndef USE_TERMIO
|
|
if (on)
|
|
termbuf.sg.sg_flags |= XTABS;
|
|
else
|
|
termbuf.sg.sg_flags &= ~XTABS;
|
|
#else
|
|
if (on) {
|
|
# ifdef OXTABS
|
|
termbuf.c_oflag |= OXTABS;
|
|
# endif
|
|
# ifdef TABDLY
|
|
termbuf.c_oflag &= ~TABDLY;
|
|
termbuf.c_oflag |= TAB3;
|
|
# endif
|
|
} else {
|
|
# ifdef OXTABS
|
|
termbuf.c_oflag &= ~OXTABS;
|
|
# endif
|
|
# ifdef TABDLY
|
|
termbuf.c_oflag &= ~TABDLY;
|
|
termbuf.c_oflag |= TAB0;
|
|
# endif
|
|
}
|
|
#endif
|
|
}
|
|
|
|
int
|
|
tty_islitecho()
|
|
{
|
|
#ifndef USE_TERMIO
|
|
return (!(termbuf.lflags & LCTLECH));
|
|
#else
|
|
# ifdef ECHOCTL
|
|
return (!(termbuf.c_lflag & ECHOCTL));
|
|
# endif
|
|
# ifdef TCTLECH
|
|
return (!(termbuf.c_lflag & TCTLECH));
|
|
# endif
|
|
# if !defined(ECHOCTL) && !defined(TCTLECH)
|
|
return (0); /* assumes ctl chars are echoed '^x' */
|
|
# endif
|
|
#endif
|
|
}
|
|
|
|
void
|
|
tty_setlitecho(on)
|
|
int on;
|
|
{
|
|
#ifndef USE_TERMIO
|
|
if (on)
|
|
termbuf.lflags &= ~LCTLECH;
|
|
else
|
|
termbuf.lflags |= LCTLECH;
|
|
#else
|
|
# ifdef ECHOCTL
|
|
if (on)
|
|
termbuf.c_lflag &= ~ECHOCTL;
|
|
else
|
|
termbuf.c_lflag |= ECHOCTL;
|
|
# endif
|
|
# ifdef TCTLECH
|
|
if (on)
|
|
termbuf.c_lflag &= ~TCTLECH;
|
|
else
|
|
termbuf.c_lflag |= TCTLECH;
|
|
# endif
|
|
#endif
|
|
}
|
|
|
|
int
|
|
tty_iscrnl()
|
|
{
|
|
#ifndef USE_TERMIO
|
|
return (termbuf.sg.sg_flags & CRMOD);
|
|
#else
|
|
return (termbuf.c_iflag & ICRNL);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Try to guess whether speeds are "encoded" (4.2BSD) or just numeric (4.4BSD).
|
|
*/
|
|
#if B4800 != 4800
|
|
#define DECODE_BAUD
|
|
#endif
|
|
|
|
#ifdef DECODE_BAUD
|
|
|
|
/*
|
|
* A table of available terminal speeds
|
|
*/
|
|
struct termspeeds {
|
|
int speed;
|
|
int value;
|
|
} termspeeds[] = {
|
|
{ 0, B0 }, { 50, B50 }, { 75, B75 },
|
|
{ 110, B110 }, { 134, B134 }, { 150, B150 },
|
|
{ 200, B200 }, { 300, B300 }, { 600, B600 },
|
|
{ 1200, B1200 }, { 1800, B1800 }, { 2400, B2400 },
|
|
{ 4800, B4800 },
|
|
#ifdef B7200
|
|
{ 7200, B7200 },
|
|
#endif
|
|
{ 9600, B9600 },
|
|
#ifdef B14400
|
|
{ 14400, B14400 },
|
|
#endif
|
|
#ifdef B19200
|
|
{ 19200, B19200 },
|
|
#endif
|
|
#ifdef B28800
|
|
{ 28800, B28800 },
|
|
#endif
|
|
#ifdef B38400
|
|
{ 38400, B38400 },
|
|
#endif
|
|
#ifdef B57600
|
|
{ 57600, B57600 },
|
|
#endif
|
|
#ifdef B115200
|
|
{ 115200, B115200 },
|
|
#endif
|
|
#ifdef B230400
|
|
{ 230400, B230400 },
|
|
#endif
|
|
{ -1, 0 }
|
|
};
|
|
#endif /* DECODE_BAUD */
|
|
|
|
void
|
|
tty_tspeed(val)
|
|
int val;
|
|
{
|
|
#ifdef DECODE_BAUD
|
|
register struct termspeeds *tp;
|
|
|
|
for (tp = termspeeds; (tp->speed != -1) && (val > tp->speed); tp++)
|
|
;
|
|
if (tp->speed == -1) /* back up to last valid value */
|
|
--tp;
|
|
cfsetospeed(&termbuf, tp->value);
|
|
#else /* DECODE_BAUD */
|
|
cfsetospeed(&termbuf, val);
|
|
#endif /* DECODE_BAUD */
|
|
}
|
|
|
|
void
|
|
tty_rspeed(val)
|
|
int val;
|
|
{
|
|
#ifdef DECODE_BAUD
|
|
register struct termspeeds *tp;
|
|
|
|
for (tp = termspeeds; (tp->speed != -1) && (val > tp->speed); tp++)
|
|
;
|
|
if (tp->speed == -1) /* back up to last valid value */
|
|
--tp;
|
|
cfsetispeed(&termbuf, tp->value);
|
|
#else /* DECODE_BAUD */
|
|
cfsetispeed(&termbuf, val);
|
|
#endif /* DECODE_BAUD */
|
|
}
|
|
|
|
#if defined(CRAY2) && defined(UNICOS5)
|
|
int
|
|
tty_isnewmap()
|
|
{
|
|
return((termbuf.c_oflag & OPOST) && (termbuf.c_oflag & ONLCR) &&
|
|
!(termbuf.c_oflag & ONLRET));
|
|
}
|
|
#endif
|
|
|
|
#ifdef PARENT_DOES_UTMP
|
|
# ifndef NEWINIT
|
|
extern struct utmp wtmp;
|
|
extern char wtmpf[];
|
|
# else /* NEWINIT */
|
|
int gotalarm;
|
|
|
|
/* ARGSUSED */
|
|
void
|
|
nologinproc(sig)
|
|
int sig;
|
|
{
|
|
gotalarm++;
|
|
}
|
|
# endif /* NEWINIT */
|
|
#endif /* PARENT_DOES_UTMP */
|
|
|
|
#ifndef NEWINIT
|
|
# ifdef PARENT_DOES_UTMP
|
|
extern void utmp_sig_init P((void));
|
|
extern void utmp_sig_reset P((void));
|
|
extern void utmp_sig_wait P((void));
|
|
extern void utmp_sig_notify P((int));
|
|
# endif /* PARENT_DOES_UTMP */
|
|
#endif
|
|
|
|
/*
|
|
* getptyslave()
|
|
*
|
|
* Open the slave side of the pty, and do any initialization
|
|
* that is necessary.
|
|
*/
|
|
void
|
|
getptyslave()
|
|
{
|
|
register int t = -1;
|
|
char erase;
|
|
|
|
#if !defined(CRAY) || !defined(NEWINIT)
|
|
# ifdef LINEMODE
|
|
int waslm;
|
|
# endif
|
|
# ifdef TIOCGWINSZ
|
|
struct winsize ws;
|
|
extern int def_row, def_col;
|
|
# endif
|
|
extern int def_tspeed, def_rspeed;
|
|
/*
|
|
* Opening the slave side may cause initilization of the
|
|
* kernel tty structure. We need remember the state of
|
|
* if linemode was turned on
|
|
* terminal window size
|
|
* terminal speed
|
|
* erase character
|
|
* so that we can re-set them if we need to.
|
|
*/
|
|
# ifdef LINEMODE
|
|
waslm = tty_linemode();
|
|
# endif
|
|
erase = termbuf.c_cc[VERASE];
|
|
|
|
/*
|
|
* Make sure that we don't have a controlling tty, and
|
|
* that we are the session (process group) leader.
|
|
*/
|
|
# ifdef TIOCNOTTY
|
|
t = open(_PATH_TTY, O_RDWR);
|
|
if (t >= 0) {
|
|
(void) ioctl(t, TIOCNOTTY, (char *)0);
|
|
(void) close(t);
|
|
}
|
|
# endif
|
|
|
|
|
|
# ifdef PARENT_DOES_UTMP
|
|
/*
|
|
* Wait for our parent to get the utmp stuff to get done.
|
|
*/
|
|
utmp_sig_wait();
|
|
# endif
|
|
|
|
t = cleanopen(line);
|
|
if (t < 0)
|
|
fatalperror(net, line);
|
|
|
|
#ifdef STREAMSPTY
|
|
#ifdef USE_TERMIO
|
|
ttyfd = t;
|
|
#endif
|
|
if (ioctl(t, I_PUSH, "ptem") < 0)
|
|
fatal(net, "I_PUSH ptem");
|
|
if (ioctl(t, I_PUSH, "ldterm") < 0)
|
|
fatal(net, "I_PUSH ldterm");
|
|
if (ioctl(t, I_PUSH, "ttcompat") < 0)
|
|
fatal(net, "I_PUSH ttcompat");
|
|
if (ioctl(pty, I_PUSH, "pckt") < 0)
|
|
fatal(net, "I_PUSH pckt");
|
|
#endif
|
|
|
|
/*
|
|
* set up the tty modes as we like them to be.
|
|
*/
|
|
init_termbuf();
|
|
# ifdef TIOCGWINSZ
|
|
if (def_row || def_col) {
|
|
memset((char *)&ws, 0, sizeof(ws));
|
|
ws.ws_col = def_col;
|
|
ws.ws_row = def_row;
|
|
(void)ioctl(t, TIOCSWINSZ, (char *)&ws);
|
|
}
|
|
# endif
|
|
|
|
/*
|
|
* Settings for sgtty based systems
|
|
*/
|
|
# ifndef USE_TERMIO
|
|
termbuf.sg.sg_flags |= CRMOD|ANYP|ECHO|XTABS;
|
|
# endif /* USE_TERMIO */
|
|
|
|
/*
|
|
* Settings for UNICOS (and HPUX)
|
|
*/
|
|
# if defined(CRAY) || defined(__hpux)
|
|
termbuf.c_oflag = OPOST|ONLCR|TAB3;
|
|
termbuf.c_iflag = IGNPAR|ISTRIP|ICRNL|IXON;
|
|
termbuf.c_lflag = ISIG|ICANON|ECHO|ECHOE|ECHOK;
|
|
termbuf.c_cflag = EXTB|HUPCL|CS8;
|
|
# endif
|
|
|
|
/*
|
|
* Settings for all other termios/termio based
|
|
* systems, other than 4.4BSD. In 4.4BSD the
|
|
* kernel does the initial terminal setup.
|
|
*/
|
|
# if defined(USE_TERMIO) && !(defined(CRAY) || defined(__hpux)) && (BSD <= 43)
|
|
# ifndef OXTABS
|
|
# define OXTABS 0
|
|
# endif
|
|
termbuf.c_lflag |= ECHO;
|
|
termbuf.c_oflag |= ONLCR|OXTABS;
|
|
termbuf.c_iflag |= ICRNL;
|
|
termbuf.c_iflag &= ~IXOFF;
|
|
# endif /* defined(USE_TERMIO) && !defined(CRAY) && (BSD <= 43) */
|
|
tty_rspeed((def_rspeed > 0) ? def_rspeed : 9600);
|
|
tty_tspeed((def_tspeed > 0) ? def_tspeed : 9600);
|
|
if (erase)
|
|
termbuf.c_cc[VERASE] = erase;
|
|
# ifdef LINEMODE
|
|
if (waslm)
|
|
tty_setlinemode(1);
|
|
# endif /* LINEMODE */
|
|
|
|
/*
|
|
* Set the tty modes, and make this our controlling tty.
|
|
*/
|
|
set_termbuf();
|
|
if (login_tty(t) == -1)
|
|
fatalperror(net, "login_tty");
|
|
#endif /* !defined(CRAY) || !defined(NEWINIT) */
|
|
if (net > 2)
|
|
(void) close(net);
|
|
#if defined(AUTHENTICATION) && defined(NO_LOGIN_F) && defined(LOGIN_R)
|
|
/*
|
|
* Leave the pty open so that we can write out the rlogin
|
|
* protocol for /bin/login, if the authentication works.
|
|
*/
|
|
#else
|
|
if (pty > 2) {
|
|
(void) close(pty);
|
|
pty = -1;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#if !defined(CRAY) || !defined(NEWINIT)
|
|
#ifndef O_NOCTTY
|
|
#define O_NOCTTY 0
|
|
#endif
|
|
/*
|
|
* Open the specified slave side of the pty,
|
|
* making sure that we have a clean tty.
|
|
*/
|
|
int
|
|
cleanopen(line)
|
|
char *line;
|
|
{
|
|
register int t;
|
|
#ifdef UNICOS7x
|
|
struct secstat secbuf;
|
|
#endif /* UNICOS7x */
|
|
|
|
#ifndef STREAMSPTY
|
|
/*
|
|
* Make sure that other people can't open the
|
|
* slave side of the connection.
|
|
*/
|
|
(void) chown(line, 0, 0);
|
|
(void) chmod(line, 0600);
|
|
#endif
|
|
|
|
# if !defined(CRAY) && (BSD > 43)
|
|
(void) revoke(line);
|
|
# endif
|
|
#ifdef UNICOS7x
|
|
if (secflag) {
|
|
if (secstat(line, &secbuf) < 0)
|
|
return(-1);
|
|
if (setulvl(secbuf.st_slevel) < 0)
|
|
return(-1);
|
|
if (setucmp(secbuf.st_compart) < 0)
|
|
return(-1);
|
|
}
|
|
#endif /* UNICOS7x */
|
|
|
|
t = open(line, O_RDWR|O_NOCTTY);
|
|
|
|
#ifdef UNICOS7x
|
|
if (secflag) {
|
|
if (setulvl(sysv.sy_minlvl) < 0)
|
|
return(-1);
|
|
if (setucmp(0) < 0)
|
|
return(-1);
|
|
}
|
|
#endif /* UNICOS7x */
|
|
|
|
if (t < 0)
|
|
return(-1);
|
|
|
|
/*
|
|
* Hangup anybody else using this ttyp, then reopen it for
|
|
* ourselves.
|
|
*/
|
|
# if !(defined(CRAY) || defined(__hpux)) && (BSD <= 43) && !defined(STREAMSPTY)
|
|
(void) signal(SIGHUP, SIG_IGN);
|
|
vhangup();
|
|
(void) signal(SIGHUP, SIG_DFL);
|
|
t = open(line, O_RDWR|O_NOCTTY);
|
|
if (t < 0)
|
|
return(-1);
|
|
# endif
|
|
# if defined(CRAY) && defined(TCVHUP)
|
|
{
|
|
register int i;
|
|
(void) signal(SIGHUP, SIG_IGN);
|
|
(void) ioctl(t, TCVHUP, (char *)0);
|
|
(void) signal(SIGHUP, SIG_DFL);
|
|
|
|
#ifdef UNICOS7x
|
|
if (secflag) {
|
|
if (secstat(line, &secbuf) < 0)
|
|
return(-1);
|
|
if (setulvl(secbuf.st_slevel) < 0)
|
|
return(-1);
|
|
if (setucmp(secbuf.st_compart) < 0)
|
|
return(-1);
|
|
}
|
|
#endif /* UNICOS7x */
|
|
|
|
i = open(line, O_RDWR);
|
|
|
|
#ifdef UNICOS7x
|
|
if (secflag) {
|
|
if (setulvl(sysv.sy_minlvl) < 0)
|
|
return(-1);
|
|
if (setucmp(0) < 0)
|
|
return(-1);
|
|
}
|
|
#endif /* UNICOS7x */
|
|
|
|
if (i < 0)
|
|
return(-1);
|
|
(void) close(t);
|
|
t = i;
|
|
}
|
|
# endif /* defined(CRAY) && defined(TCVHUP) */
|
|
return(t);
|
|
}
|
|
#endif /* !defined(CRAY) || !defined(NEWINIT) */
|
|
|
|
#if BSD <= 43
|
|
|
|
int
|
|
login_tty(t)
|
|
int t;
|
|
{
|
|
if (setsid() < 0) {
|
|
#ifdef ultrix
|
|
/*
|
|
* The setsid() may have failed because we
|
|
* already have a pgrp == pid. Zero out
|
|
* our pgrp and try again...
|
|
*/
|
|
if ((setpgrp(0, 0) < 0) || (setsid() < 0))
|
|
#endif
|
|
fatalperror(net, "setsid()");
|
|
}
|
|
# ifdef TIOCSCTTY
|
|
if (ioctl(t, TIOCSCTTY, (char *)0) < 0)
|
|
fatalperror(net, "ioctl(sctty)");
|
|
# if defined(CRAY)
|
|
/*
|
|
* Close the hard fd to /dev/ttypXXX, and re-open through
|
|
* the indirect /dev/tty interface.
|
|
*/
|
|
close(t);
|
|
if ((t = open("/dev/tty", O_RDWR)) < 0)
|
|
fatalperror(net, "open(/dev/tty)");
|
|
# endif
|
|
# else
|
|
/*
|
|
* We get our controlling tty assigned as a side-effect
|
|
* of opening up a tty device. But on BSD based systems,
|
|
* this only happens if our process group is zero. The
|
|
* setsid() call above may have set our pgrp, so clear
|
|
* it out before opening the tty...
|
|
*/
|
|
# ifndef SOLARIS
|
|
(void) setpgrp(0, 0);
|
|
# else
|
|
(void) setpgrp();
|
|
# endif
|
|
close(open(line, O_RDWR));
|
|
# endif
|
|
if (t != 0)
|
|
(void) dup2(t, 0);
|
|
if (t != 1)
|
|
(void) dup2(t, 1);
|
|
if (t != 2)
|
|
(void) dup2(t, 2);
|
|
if (t > 2)
|
|
close(t);
|
|
return(0);
|
|
}
|
|
#endif /* BSD <= 43 */
|
|
|
|
#ifdef NEWINIT
|
|
char *gen_id = "fe";
|
|
#endif
|
|
|
|
/*
|
|
* startslave(host)
|
|
*
|
|
* Given a hostname, do whatever
|
|
* is necessary to startup the login process on the slave side of the pty.
|
|
*/
|
|
|
|
/* ARGSUSED */
|
|
void
|
|
startslave(host, autologin, autoname)
|
|
char *host;
|
|
int autologin;
|
|
char *autoname;
|
|
{
|
|
register int i;
|
|
#ifdef NEWINIT
|
|
extern char *ptyip;
|
|
struct init_request request;
|
|
void nologinproc();
|
|
register int n;
|
|
#endif /* NEWINIT */
|
|
|
|
#if defined(AUTHENTICATION)
|
|
if (!autoname || !autoname[0])
|
|
autologin = 0;
|
|
|
|
if (autologin < auth_level) {
|
|
fatal(net, "Authorization failed");
|
|
exit(1);
|
|
}
|
|
#endif
|
|
|
|
#ifndef NEWINIT
|
|
# ifdef PARENT_DOES_UTMP
|
|
utmp_sig_init();
|
|
# endif /* PARENT_DOES_UTMP */
|
|
|
|
if ((i = fork()) < 0)
|
|
fatalperror(net, "fork");
|
|
if (i) {
|
|
# ifdef PARENT_DOES_UTMP
|
|
/*
|
|
* Cray parent will create utmp entry for child and send
|
|
* signal to child to tell when done. Child waits for signal
|
|
* before doing anything important.
|
|
*/
|
|
register int pid = i;
|
|
void sigjob P((int));
|
|
|
|
setpgrp();
|
|
utmp_sig_reset(); /* reset handler to default */
|
|
/*
|
|
* Create utmp entry for child
|
|
*/
|
|
(void) time(&wtmp.ut_time);
|
|
wtmp.ut_type = LOGIN_PROCESS;
|
|
wtmp.ut_pid = pid;
|
|
SCPYN(wtmp.ut_user, "LOGIN");
|
|
SCPYN(wtmp.ut_host, host);
|
|
SCPYN(wtmp.ut_line, line + sizeof("/dev/") - 1);
|
|
#ifndef __hpux
|
|
SCPYN(wtmp.ut_id, wtmp.ut_line+3);
|
|
#else
|
|
SCPYN(wtmp.ut_id, wtmp.ut_line+7);
|
|
#endif
|
|
pututline(&wtmp);
|
|
endutent();
|
|
if ((i = open(wtmpf, O_WRONLY|O_APPEND)) >= 0) {
|
|
(void) write(i, (char *)&wtmp, sizeof(struct utmp));
|
|
(void) close(i);
|
|
}
|
|
#ifdef CRAY
|
|
(void) signal(WJSIGNAL, sigjob);
|
|
#endif
|
|
utmp_sig_notify(pid);
|
|
# endif /* PARENT_DOES_UTMP */
|
|
} else {
|
|
getptyslave(autologin);
|
|
start_login(host, autologin, autoname);
|
|
/*NOTREACHED*/
|
|
}
|
|
#else /* NEWINIT */
|
|
|
|
/*
|
|
* Init will start up login process if we ask nicely. We only wait
|
|
* for it to start up and begin normal telnet operation.
|
|
*/
|
|
if ((i = open(INIT_FIFO, O_WRONLY)) < 0) {
|
|
char tbuf[128];
|
|
(void) snprintf(tbuf, sizeof(tbuf), "Can't open %s\n", INIT_FIFO);
|
|
fatalperror(net, tbuf);
|
|
}
|
|
memset((char *)&request, 0, sizeof(request));
|
|
request.magic = INIT_MAGIC;
|
|
SCPYN(request.gen_id, gen_id);
|
|
SCPYN(request.tty_id, &line[8]);
|
|
SCPYN(request.host, host);
|
|
SCPYN(request.term_type, terminaltype ? terminaltype : "network");
|
|
#if !defined(UNICOS5)
|
|
request.signal = SIGCLD;
|
|
request.pid = getpid();
|
|
#endif
|
|
#ifdef BFTPDAEMON
|
|
/*
|
|
* Are we working as the bftp daemon?
|
|
*/
|
|
if (bftpd) {
|
|
SCPYN(request.exec_name, BFTPPATH);
|
|
}
|
|
#endif /* BFTPDAEMON */
|
|
if (write(i, (char *)&request, sizeof(request)) < 0) {
|
|
char tbuf[128];
|
|
(void) snprintf(tbuf, sizeof(tbuf), "Can't write to %s\n", INIT_FIFO);
|
|
fatalperror(net, tbuf);
|
|
}
|
|
(void) close(i);
|
|
(void) signal(SIGALRM, nologinproc);
|
|
for (i = 0; ; i++) {
|
|
char tbuf[128];
|
|
alarm(15);
|
|
n = read(pty, ptyip, BUFSIZ);
|
|
if (i == 3 || n >= 0 || !gotalarm)
|
|
break;
|
|
gotalarm = 0;
|
|
snprintf(tbuf, sizeof(tbuf), "telnetd: waiting for /etc/init to start login process on %s\r\n", line);
|
|
(void) write(net, tbuf, strlen(tbuf));
|
|
}
|
|
if (n < 0 && gotalarm)
|
|
fatal(net, "/etc/init didn't start login process");
|
|
pcc += n;
|
|
alarm(0);
|
|
(void) signal(SIGALRM, SIG_DFL);
|
|
|
|
return;
|
|
#endif /* NEWINIT */
|
|
}
|
|
|
|
char *envinit[3];
|
|
extern char **environ;
|
|
|
|
void
|
|
init_env()
|
|
{
|
|
extern char *getenv();
|
|
char **envp;
|
|
|
|
envp = envinit;
|
|
if ((*envp = getenv("TZ")))
|
|
*envp++ -= 3;
|
|
#if defined(CRAY) || defined(__hpux)
|
|
else
|
|
*envp++ = "TZ=GMT0";
|
|
#endif
|
|
*envp = 0;
|
|
environ = envinit;
|
|
}
|
|
|
|
#ifndef NEWINIT
|
|
|
|
/*
|
|
* start_login(host)
|
|
*
|
|
* Assuming that we are now running as a child processes, this
|
|
* function will turn us into the login process.
|
|
*/
|
|
|
|
void
|
|
start_login(host, autologin, name)
|
|
char *host;
|
|
int autologin;
|
|
char *name;
|
|
{
|
|
register char **argv;
|
|
char **addarg(), *user;
|
|
extern char *getenv();
|
|
#ifdef UTMPX
|
|
register int pid = getpid();
|
|
struct utmpx utmpx;
|
|
#endif
|
|
#ifdef SOLARIS
|
|
char *term;
|
|
char termbuf[64];
|
|
#endif
|
|
|
|
#ifdef UTMPX
|
|
/*
|
|
* Create utmp entry for child
|
|
*/
|
|
|
|
memset(&utmpx, 0, sizeof(utmpx));
|
|
SCPYN(utmpx.ut_user, ".telnet");
|
|
SCPYN(utmpx.ut_line, line + sizeof("/dev/") - 1);
|
|
utmpx.ut_pid = pid;
|
|
utmpx.ut_id[0] = 't';
|
|
utmpx.ut_id[1] = 'n';
|
|
utmpx.ut_id[2] = SC_WILDC;
|
|
utmpx.ut_id[3] = SC_WILDC;
|
|
utmpx.ut_type = LOGIN_PROCESS;
|
|
(void) time(&utmpx.ut_tv.tv_sec);
|
|
if (makeutx(&utmpx) == NULL)
|
|
fatal(net, "makeutx failed");
|
|
#endif
|
|
|
|
scrub_env();
|
|
|
|
/*
|
|
* -h : pass on name of host.
|
|
* WARNING: -h is accepted by login if and only if
|
|
* getuid() == 0.
|
|
* -p : don't clobber the environment (so terminal type stays set).
|
|
*
|
|
* -f : force this login, he has already been authenticated
|
|
*/
|
|
argv = addarg(0, "login");
|
|
|
|
#if !defined(NO_LOGIN_H)
|
|
|
|
# if defined (AUTHENTICATION) && defined(NO_LOGIN_F) && defined(LOGIN_R)
|
|
/*
|
|
* Don't add the "-h host" option if we are going
|
|
* to be adding the "-r host" option down below...
|
|
*/
|
|
if ((auth_level < 0) || (autologin != AUTH_VALID))
|
|
# endif
|
|
{
|
|
argv = addarg(argv, "-h");
|
|
argv = addarg(argv, host);
|
|
#ifdef SOLARIS
|
|
/*
|
|
* SVR4 version of -h takes TERM= as second arg, or -
|
|
*/
|
|
term = getenv("TERM");
|
|
if (term == NULL || term[0] == 0) {
|
|
term = "-";
|
|
} else {
|
|
strcpy(termbuf, "TERM=");
|
|
strncat(termbuf, term, sizeof(termbuf) - 6);
|
|
term = termbuf;
|
|
}
|
|
argv = addarg(argv, term);
|
|
#endif
|
|
}
|
|
#endif
|
|
#if !defined(NO_LOGIN_P)
|
|
argv = addarg(argv, "-p");
|
|
#endif
|
|
#ifdef LINEMODE
|
|
/*
|
|
* Set the environment variable "LINEMODE" to either
|
|
* "real" or "kludge" if we are operating in either
|
|
* real or kludge linemode.
|
|
*/
|
|
if (lmodetype == REAL_LINEMODE)
|
|
setenv("LINEMODE", "real", 1);
|
|
# ifdef KLUDGELINEMODE
|
|
else if (lmodetype == KLUDGE_LINEMODE || lmodetype == KLUDGE_OK)
|
|
setenv("LINEMODE", "kludge", 1);
|
|
# endif
|
|
#endif
|
|
#ifdef BFTPDAEMON
|
|
/*
|
|
* Are we working as the bftp daemon? If so, then ask login
|
|
* to start bftp instead of shell.
|
|
*/
|
|
if (bftpd) {
|
|
argv = addarg(argv, "-e");
|
|
argv = addarg(argv, BFTPPATH);
|
|
} else
|
|
#endif
|
|
#if defined (SecurID)
|
|
/*
|
|
* don't worry about the -f that might get sent.
|
|
* A -s is supposed to override it anyhow.
|
|
*/
|
|
if (require_SecurID)
|
|
argv = addarg(argv, "-s");
|
|
#endif
|
|
#if defined (AUTHENTICATION)
|
|
if (auth_level >= 0 && autologin == AUTH_VALID) {
|
|
# if !defined(NO_LOGIN_F)
|
|
argv = addarg(argv, "-f");
|
|
argv = addarg(argv, "--");
|
|
argv = addarg(argv, name);
|
|
# else
|
|
# if defined(LOGIN_R)
|
|
/*
|
|
* We don't have support for "login -f", but we
|
|
* can fool /bin/login into thinking that we are
|
|
* rlogind, and allow us to log in without a
|
|
* password. The rlogin protocol expects
|
|
* local-user\0remote-user\0term/speed\0
|
|
*/
|
|
|
|
if (pty > 2) {
|
|
register char *cp;
|
|
char speed[128];
|
|
int isecho, israw, xpty, len;
|
|
extern int def_rspeed;
|
|
# ifndef LOGIN_HOST
|
|
/*
|
|
* Tell login that we are coming from "localhost".
|
|
* If we passed in the real host name, then the
|
|
* user would have to allow .rhost access from
|
|
* every machine that they want authenticated
|
|
* access to work from, which sort of defeats
|
|
* the purpose of an authenticated login...
|
|
* So, we tell login that the session is coming
|
|
* from "localhost", and the user will only have
|
|
* to have "localhost" in their .rhost file.
|
|
*/
|
|
# define LOGIN_HOST "localhost"
|
|
# endif
|
|
argv = addarg(argv, "-r");
|
|
argv = addarg(argv, LOGIN_HOST);
|
|
|
|
xpty = pty;
|
|
# ifndef STREAMSPTY
|
|
pty = 0;
|
|
# else
|
|
ttyfd = 0;
|
|
# endif
|
|
init_termbuf();
|
|
isecho = tty_isecho();
|
|
israw = tty_israw();
|
|
if (isecho || !israw) {
|
|
tty_setecho(0); /* Turn off echo */
|
|
tty_setraw(1); /* Turn on raw */
|
|
set_termbuf();
|
|
}
|
|
len = strlen(name)+1;
|
|
write(xpty, name, len);
|
|
write(xpty, name, len);
|
|
snprintf(speed, sizeof(speed),
|
|
"%s/%d", (cp = getenv("TERM")) ? cp : "",
|
|
(def_rspeed > 0) ? def_rspeed : 9600);
|
|
len = strlen(speed)+1;
|
|
write(xpty, speed, len);
|
|
|
|
if (isecho || !israw) {
|
|
init_termbuf();
|
|
tty_setecho(isecho);
|
|
tty_setraw(israw);
|
|
set_termbuf();
|
|
if (!israw) {
|
|
/*
|
|
* Write a newline to ensure
|
|
* that login will be able to
|
|
* read the line...
|
|
*/
|
|
write(xpty, "\n", 1);
|
|
}
|
|
}
|
|
pty = xpty;
|
|
}
|
|
# else
|
|
argv = addarg(argv, "--");
|
|
argv = addarg(argv, name);
|
|
# endif
|
|
# endif
|
|
} else
|
|
#endif
|
|
if (getenv("USER")) {
|
|
argv = addarg(argv, "--");
|
|
argv = addarg(argv, getenv("USER"));
|
|
#if defined(LOGIN_ARGS) && defined(NO_LOGIN_P)
|
|
{
|
|
register char **cpp;
|
|
for (cpp = environ; *cpp; cpp++)
|
|
argv = addarg(argv, *cpp);
|
|
}
|
|
#endif
|
|
/*
|
|
* Assume that login will set the USER variable
|
|
* correctly. For SysV systems, this means that
|
|
* USER will no longer be set, just LOGNAME by
|
|
* login. (The problem is that if the auto-login
|
|
* fails, and the user then specifies a different
|
|
* account name, he can get logged in with both
|
|
* LOGNAME and USER in his environment, but the
|
|
* USER value will be wrong.
|
|
*/
|
|
unsetenv("USER");
|
|
}
|
|
#ifdef SOLARIS
|
|
else {
|
|
char **p;
|
|
|
|
argv = addarg(argv, ""); /* no login name */
|
|
for (p = environ; *p; p++) {
|
|
argv = addarg(argv, *p);
|
|
}
|
|
}
|
|
#endif /* SOLARIS */
|
|
#if defined(AUTHENTICATION) && defined(NO_LOGIN_F) && defined(LOGIN_R)
|
|
if (pty > 2)
|
|
close(pty);
|
|
#endif
|
|
closelog();
|
|
|
|
if (altlogin == NULL) {
|
|
altlogin = _PATH_LOGIN;
|
|
}
|
|
execv(altlogin, argv);
|
|
|
|
syslog(LOG_ERR, "%s: %m", altlogin);
|
|
fatalperror(net, altlogin);
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
char **
|
|
addarg(argv, val)
|
|
register char **argv;
|
|
register char *val;
|
|
{
|
|
register char **cpp;
|
|
|
|
if (argv == NULL) {
|
|
/*
|
|
* 10 entries, a leading length, and a null
|
|
*/
|
|
argv = (char **)malloc(sizeof(*argv) * 12);
|
|
if (argv == NULL)
|
|
return(NULL);
|
|
*argv++ = (char *)10;
|
|
*argv = (char *)0;
|
|
}
|
|
for (cpp = argv; *cpp; cpp++)
|
|
;
|
|
if (cpp == &argv[(int)argv[-1]]) {
|
|
--argv;
|
|
*argv = (char *)((int)(*argv) + 10);
|
|
argv = (char **)realloc(argv, sizeof(*argv)*((int)(*argv) + 2));
|
|
if (argv == NULL)
|
|
return(NULL);
|
|
argv++;
|
|
cpp = &argv[(int)argv[-1] - 10];
|
|
}
|
|
*cpp++ = val;
|
|
*cpp = 0;
|
|
return(argv);
|
|
}
|
|
#endif /* NEWINIT */
|
|
|
|
/*
|
|
* scrub_env()
|
|
*
|
|
* Remove a few things from the environment that
|
|
* don't need to be there.
|
|
*/
|
|
void
|
|
scrub_env()
|
|
{
|
|
register char **cpp, **cpp2;
|
|
|
|
for (cpp2 = cpp = environ; *cpp; cpp++) {
|
|
#ifdef __FreeBSD__
|
|
if (strncmp(*cpp, "LD_LIBRARY_PATH=", 16) &&
|
|
strncmp(*cpp, "LD_PRELOAD=", 11) &&
|
|
#else
|
|
if (strncmp(*cpp, "LD_", 3) &&
|
|
strncmp(*cpp, "_RLD_", 5) &&
|
|
strncmp(*cpp, "LIBPATH=", 8) &&
|
|
#endif
|
|
strncmp(*cpp, "IFS=", 4))
|
|
*cpp2++ = *cpp;
|
|
}
|
|
*cpp2 = 0;
|
|
}
|
|
|
|
/*
|
|
* cleanup()
|
|
*
|
|
* This is the routine to call when we are all through, to
|
|
* clean up anything that needs to be cleaned up.
|
|
*/
|
|
/* ARGSUSED */
|
|
void
|
|
cleanup(sig)
|
|
int sig;
|
|
{
|
|
#ifndef PARENT_DOES_UTMP
|
|
# if (BSD > 43) || defined(convex)
|
|
char *p;
|
|
|
|
p = line + sizeof("/dev/") - 1;
|
|
if (logout(p))
|
|
logwtmp(p, "", "");
|
|
(void)chmod(line, 0666);
|
|
(void)chown(line, 0, 0);
|
|
*p = 'p';
|
|
(void)chmod(line, 0666);
|
|
(void)chown(line, 0, 0);
|
|
(void) shutdown(net, 2);
|
|
exit(1);
|
|
# else
|
|
void rmut();
|
|
|
|
rmut();
|
|
vhangup(); /* XXX */
|
|
(void) shutdown(net, 2);
|
|
exit(1);
|
|
# endif
|
|
#else /* PARENT_DOES_UTMP */
|
|
# ifdef NEWINIT
|
|
(void) shutdown(net, 2);
|
|
exit(1);
|
|
# else /* NEWINIT */
|
|
# ifdef CRAY
|
|
static int incleanup = 0;
|
|
register int t;
|
|
int child_status; /* status of child process as returned by waitpid */
|
|
int flags = WNOHANG|WUNTRACED;
|
|
|
|
/*
|
|
* 1: Pick up the zombie, if we are being called
|
|
* as the signal handler.
|
|
* 2: If we are a nested cleanup(), return.
|
|
* 3: Try to clean up TMPDIR.
|
|
* 4: Fill in utmp with shutdown of process.
|
|
* 5: Close down the network and pty connections.
|
|
* 6: Finish up the TMPDIR cleanup, if needed.
|
|
*/
|
|
if (sig == SIGCHLD) {
|
|
while (waitpid(-1, &child_status, flags) > 0)
|
|
; /* VOID */
|
|
/* Check if the child process was stopped
|
|
* rather than exited. We want cleanup only if
|
|
* the child has died.
|
|
*/
|
|
if (WIFSTOPPED(child_status)) {
|
|
return;
|
|
}
|
|
}
|
|
t = sigblock(sigmask(SIGCHLD));
|
|
if (incleanup) {
|
|
sigsetmask(t);
|
|
return;
|
|
}
|
|
incleanup = 1;
|
|
sigsetmask(t);
|
|
#ifdef UNICOS7x
|
|
if (secflag) {
|
|
/*
|
|
* We need to set ourselves back to a null
|
|
* label to clean up.
|
|
*/
|
|
|
|
setulvl(sysv.sy_minlvl);
|
|
setucmp((long)0);
|
|
}
|
|
#endif /* UNICOS7x */
|
|
|
|
t = cleantmp(&wtmp);
|
|
setutent(); /* just to make sure */
|
|
# endif /* CRAY */
|
|
rmut(line);
|
|
close(pty);
|
|
(void) shutdown(net, 2);
|
|
# ifdef CRAY
|
|
if (t == 0)
|
|
cleantmp(&wtmp);
|
|
# endif /* CRAY */
|
|
exit(1);
|
|
# endif /* NEWINT */
|
|
#endif /* PARENT_DOES_UTMP */
|
|
}
|
|
|
|
#if defined(PARENT_DOES_UTMP) && !defined(NEWINIT)
|
|
/*
|
|
* _utmp_sig_rcv
|
|
* utmp_sig_init
|
|
* utmp_sig_wait
|
|
* These three functions are used to coordinate the handling of
|
|
* the utmp file between the server and the soon-to-be-login shell.
|
|
* The server actually creates the utmp structure, the child calls
|
|
* utmp_sig_wait(), until the server calls utmp_sig_notify() and
|
|
* signals the future-login shell to proceed.
|
|
*/
|
|
static int caught=0; /* NZ when signal intercepted */
|
|
static void (*func)(); /* address of previous handler */
|
|
|
|
void
|
|
_utmp_sig_rcv(sig)
|
|
int sig;
|
|
{
|
|
caught = 1;
|
|
(void) signal(SIGUSR1, func);
|
|
}
|
|
|
|
void
|
|
utmp_sig_init()
|
|
{
|
|
/*
|
|
* register signal handler for UTMP creation
|
|
*/
|
|
if ((int)(func = signal(SIGUSR1, _utmp_sig_rcv)) == -1)
|
|
fatalperror(net, "telnetd/signal");
|
|
}
|
|
|
|
void
|
|
utmp_sig_reset()
|
|
{
|
|
(void) signal(SIGUSR1, func); /* reset handler to default */
|
|
}
|
|
|
|
# ifdef __hpux
|
|
# define sigoff() /* do nothing */
|
|
# define sigon() /* do nothing */
|
|
# endif
|
|
|
|
void
|
|
utmp_sig_wait()
|
|
{
|
|
/*
|
|
* Wait for parent to write our utmp entry.
|
|
*/
|
|
sigoff();
|
|
while (caught == 0) {
|
|
pause(); /* wait until we get a signal (sigon) */
|
|
sigoff(); /* turn off signals while we check caught */
|
|
}
|
|
sigon(); /* turn on signals again */
|
|
}
|
|
|
|
void
|
|
utmp_sig_notify(pid)
|
|
{
|
|
kill(pid, SIGUSR1);
|
|
}
|
|
|
|
# ifdef CRAY
|
|
static int gotsigjob = 0;
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
sigjob(sig)
|
|
int sig;
|
|
{
|
|
register int jid;
|
|
register struct jobtemp *jp;
|
|
|
|
while ((jid = waitjob(NULL)) != -1) {
|
|
if (jid == 0) {
|
|
return;
|
|
}
|
|
gotsigjob++;
|
|
jobend(jid, NULL, NULL);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* jid_getutid:
|
|
* called by jobend() before calling cleantmp()
|
|
* to find the correct $TMPDIR to cleanup.
|
|
*/
|
|
|
|
struct utmp *
|
|
jid_getutid(jid)
|
|
int jid;
|
|
{
|
|
struct utmp *cur = NULL;
|
|
|
|
setutent(); /* just to make sure */
|
|
while (cur = getutent()) {
|
|
if ( (cur->ut_type != NULL) && (jid == cur->ut_jid) ) {
|
|
return(cur);
|
|
}
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Clean up the TMPDIR that login created.
|
|
* The first time this is called we pick up the info
|
|
* from the utmp. If the job has already gone away,
|
|
* then we'll clean up and be done. If not, then
|
|
* when this is called the second time it will wait
|
|
* for the signal that the job is done.
|
|
*/
|
|
int
|
|
cleantmp(wtp)
|
|
register struct utmp *wtp;
|
|
{
|
|
struct utmp *utp;
|
|
static int first = 1;
|
|
register int mask, omask, ret;
|
|
extern struct utmp *getutid P((const struct utmp *_Id));
|
|
|
|
|
|
mask = sigmask(WJSIGNAL);
|
|
|
|
if (first == 0) {
|
|
omask = sigblock(mask);
|
|
while (gotsigjob == 0)
|
|
sigpause(omask);
|
|
return(1);
|
|
}
|
|
first = 0;
|
|
setutent(); /* just to make sure */
|
|
|
|
utp = getutid(wtp);
|
|
if (utp == 0) {
|
|
syslog(LOG_ERR, "can't get /etc/utmp entry to clean TMPDIR");
|
|
return(-1);
|
|
}
|
|
/*
|
|
* Nothing to clean up if the user shell was never started.
|
|
*/
|
|
if (utp->ut_type != USER_PROCESS || utp->ut_jid == 0)
|
|
return(1);
|
|
|
|
/*
|
|
* Block the WJSIGNAL while we are in jobend().
|
|
*/
|
|
omask = sigblock(mask);
|
|
ret = jobend(utp->ut_jid, utp->ut_tpath, utp->ut_user);
|
|
sigsetmask(omask);
|
|
return(ret);
|
|
}
|
|
|
|
int
|
|
jobend(jid, path, user)
|
|
register int jid;
|
|
register char *path;
|
|
register char *user;
|
|
{
|
|
static int saved_jid = 0;
|
|
static int pty_saved_jid = 0;
|
|
static char saved_path[sizeof(wtmp.ut_tpath)+1];
|
|
static char saved_user[sizeof(wtmp.ut_user)+1];
|
|
|
|
/*
|
|
* this little piece of code comes into play
|
|
* only when ptyreconnect is used to reconnect
|
|
* to an previous session.
|
|
*
|
|
* this is the only time when the
|
|
* "saved_jid != jid" code is executed.
|
|
*/
|
|
|
|
if ( saved_jid && saved_jid != jid ) {
|
|
if (!path) { /* called from signal handler */
|
|
pty_saved_jid = jid;
|
|
} else {
|
|
pty_saved_jid = saved_jid;
|
|
}
|
|
}
|
|
|
|
if (path) {
|
|
strncpy(saved_path, path, sizeof(wtmp.ut_tpath));
|
|
strncpy(saved_user, user, sizeof(wtmp.ut_user));
|
|
saved_path[sizeof(saved_path)] = '\0';
|
|
saved_user[sizeof(saved_user)] = '\0';
|
|
}
|
|
if (saved_jid == 0) {
|
|
saved_jid = jid;
|
|
return(0);
|
|
}
|
|
|
|
/* if the jid has changed, get the correct entry from the utmp file */
|
|
|
|
if ( saved_jid != jid ) {
|
|
struct utmp *utp = NULL;
|
|
struct utmp *jid_getutid();
|
|
|
|
utp = jid_getutid(pty_saved_jid);
|
|
|
|
if (utp == 0) {
|
|
syslog(LOG_ERR, "Can't get /etc/utmp entry to clean TMPDIR");
|
|
return(-1);
|
|
}
|
|
|
|
cleantmpdir(jid, utp->ut_tpath, utp->ut_user);
|
|
return(1);
|
|
}
|
|
|
|
cleantmpdir(jid, saved_path, saved_user);
|
|
return(1);
|
|
}
|
|
|
|
/*
|
|
* Fork a child process to clean up the TMPDIR
|
|
*/
|
|
cleantmpdir(jid, tpath, user)
|
|
register int jid;
|
|
register char *tpath;
|
|
register char *user;
|
|
{
|
|
switch(fork()) {
|
|
case -1:
|
|
syslog(LOG_ERR, "TMPDIR cleanup(%s): fork() failed: %m",
|
|
tpath);
|
|
break;
|
|
case 0:
|
|
execl(CLEANTMPCMD, CLEANTMPCMD, user, tpath, 0);
|
|
syslog(LOG_ERR, "TMPDIR cleanup(%s): execl(%s) failed: %m",
|
|
tpath, CLEANTMPCMD);
|
|
exit(1);
|
|
default:
|
|
/*
|
|
* Forget about child. We will exit, and
|
|
* /etc/init will pick it up.
|
|
*/
|
|
break;
|
|
}
|
|
}
|
|
# endif /* CRAY */
|
|
#endif /* defined(PARENT_DOES_UTMP) && !defined(NEWINIT) */
|
|
|
|
/*
|
|
* rmut()
|
|
*
|
|
* This is the function called by cleanup() to
|
|
* remove the utmp entry for this person.
|
|
*/
|
|
|
|
#ifdef UTMPX
|
|
void
|
|
rmut()
|
|
{
|
|
register f;
|
|
int found = 0;
|
|
struct utmp *u, *utmp;
|
|
int nutmp;
|
|
struct stat statbf;
|
|
|
|
struct utmpx *utxp, utmpx;
|
|
|
|
/*
|
|
* This updates the utmpx and utmp entries and make a wtmp/x entry
|
|
*/
|
|
|
|
SCPYN(utmpx.ut_line, line + sizeof("/dev/") - 1);
|
|
utxp = getutxline(&utmpx);
|
|
if (utxp) {
|
|
utxp->ut_type = DEAD_PROCESS;
|
|
utxp->ut_exit.e_termination = 0;
|
|
utxp->ut_exit.e_exit = 0;
|
|
(void) time(&utmpx.ut_tv.tv_sec);
|
|
utmpx.ut_tv.tv_usec = 0;
|
|
modutx(utxp);
|
|
}
|
|
endutxent();
|
|
} /* end of rmut */
|
|
#endif
|
|
|
|
#if !defined(UTMPX) && !(defined(CRAY) || defined(__hpux)) && BSD <= 43
|
|
void
|
|
rmut()
|
|
{
|
|
register f;
|
|
int found = 0;
|
|
struct utmp *u, *utmp;
|
|
int nutmp;
|
|
struct stat statbf;
|
|
|
|
f = open(utmpf, O_RDWR);
|
|
if (f >= 0) {
|
|
(void) fstat(f, &statbf);
|
|
utmp = (struct utmp *)malloc((unsigned)statbf.st_size);
|
|
if (!utmp)
|
|
syslog(LOG_ERR, "utmp malloc failed");
|
|
if (statbf.st_size && utmp) {
|
|
nutmp = read(f, (char *)utmp, (int)statbf.st_size);
|
|
nutmp /= sizeof(struct utmp);
|
|
|
|
for (u = utmp ; u < &utmp[nutmp] ; u++) {
|
|
if (SCMPN(u->ut_line, line+5) ||
|
|
u->ut_name[0]==0)
|
|
continue;
|
|
(void) lseek(f, ((long)u)-((long)utmp), L_SET);
|
|
SCPYN(u->ut_name, "");
|
|
SCPYN(u->ut_host, "");
|
|
(void) time(&u->ut_time);
|
|
(void) write(f, (char *)u, sizeof(wtmp));
|
|
found++;
|
|
}
|
|
}
|
|
(void) close(f);
|
|
}
|
|
if (found) {
|
|
f = open(wtmpf, O_WRONLY|O_APPEND);
|
|
if (f >= 0) {
|
|
SCPYN(wtmp.ut_line, line+5);
|
|
SCPYN(wtmp.ut_name, "");
|
|
SCPYN(wtmp.ut_host, "");
|
|
(void) time(&wtmp.ut_time);
|
|
(void) write(f, (char *)&wtmp, sizeof(wtmp));
|
|
(void) close(f);
|
|
}
|
|
}
|
|
(void) chmod(line, 0666);
|
|
(void) chown(line, 0, 0);
|
|
line[strlen("/dev/")] = 'p';
|
|
(void) chmod(line, 0666);
|
|
(void) chown(line, 0, 0);
|
|
} /* end of rmut */
|
|
#endif /* CRAY */
|
|
|
|
#ifdef __hpux
|
|
rmut (line)
|
|
char *line;
|
|
{
|
|
struct utmp utmp;
|
|
struct utmp *utptr;
|
|
int fd; /* for /etc/wtmp */
|
|
|
|
utmp.ut_type = USER_PROCESS;
|
|
(void) strncpy(utmp.ut_id, line+12, sizeof(utmp.ut_id));
|
|
(void) setutent();
|
|
utptr = getutid(&utmp);
|
|
/* write it out only if it exists */
|
|
if (utptr) {
|
|
utptr->ut_type = DEAD_PROCESS;
|
|
utptr->ut_time = time((long *) 0);
|
|
(void) pututline(utptr);
|
|
/* set wtmp entry if wtmp file exists */
|
|
if ((fd = open(wtmpf, O_WRONLY | O_APPEND)) >= 0) {
|
|
(void) write(fd, utptr, sizeof(utmp));
|
|
(void) close(fd);
|
|
}
|
|
}
|
|
(void) endutent();
|
|
|
|
(void) chmod(line, 0666);
|
|
(void) chown(line, 0, 0);
|
|
line[14] = line[13];
|
|
line[13] = line[12];
|
|
line[8] = 'm';
|
|
line[9] = '/';
|
|
line[10] = 'p';
|
|
line[11] = 't';
|
|
line[12] = 'y';
|
|
(void) chmod(line, 0666);
|
|
(void) chown(line, 0, 0);
|
|
}
|
|
#endif
|