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- /*
- * Copyright (c) 1989 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)sys_term.c 5.16 (Berkeley) 3/22/91";
- #endif /* not lint */
-
- #include "telnetd.h"
- #include "pathnames.h"
-
- #if defined(AUTHENTICATE)
- #include <libtelnet/auth.h>
- #endif
-
- #ifdef NEWINIT
- #include <initreq.h>
- #else /* NEWINIT*/
- #include <utmp.h>
- struct utmp wtmp;
-
- # ifndef CRAY
- char wtmpf[] = "/usr/adm/wtmp";
- char utmpf[] = "/etc/utmp";
- # else /* CRAY */
- char wtmpf[] = "/etc/wtmp";
- #include <tmpdir.h>
- #include <sys/wait.h>
- # endif /* CRAY */
- #endif /* NEWINIT */
-
- #define SCPYN(a, b) (void) strncpy(a, b, sizeof(a))
- #define SCMPN(a, b) strncmp(a, b, sizeof(a))
-
- #ifdef STREAMS
- #include <sys/stream.h>
- #endif
- #include <sys/tty.h>
- #ifdef t_erase
- #undef t_erase
- #undef t_kill
- #undef t_intrc
- #undef t_quitc
- #undef t_startc
- #undef t_stopc
- #undef t_eofc
- #undef t_brkc
- #undef t_suspc
- #undef t_dsuspc
- #undef t_rprntc
- #undef t_flushc
- #undef t_werasc
- #undef t_lnextc
- #endif
-
- #if defined(UNICOS5) && defined(CRAY2) && !defined(EXTPROC)
- # define EXTPROC 0400
- #endif
-
- #ifndef USE_TERMIO
- struct termbuf {
- struct sgttyb sg;
- struct tchars tc;
- struct ltchars ltc;
- int state;
- int lflags;
- } termbuf, termbuf2;
- # define cfsetospeed(tp, val) (tp)->sg.sg_ospeed = (val)
- # define cfsetispeed(tp, val) (tp)->sg.sg_ispeed = (val)
- # define cfgetospeed(tp) (tp)->sg.sg_ospeed
- # define cfgetispeed(tp) (tp)->sg.sg_ispeed
- #else /* USE_TERMIO */
- # ifdef SYSV_TERMIO
- # define termios termio
- # endif
- # ifndef TCSANOW
- # ifdef TCSETS
- # define TCSANOW TCSETS
- # define TCSADRAIN TCSETSW
- # define tcgetattr(f, t) ioctl(f, TCGETS, (char *)t)
- # else
- # ifdef TCSETA
- # define TCSANOW TCSETA
- # define TCSADRAIN TCSETAW
- # define tcgetattr(f, t) ioctl(f, TCGETA, (char *)t)
- # else
- # define TCSANOW TIOCSETA
- # define TCSADRAIN TIOCSETAW
- # define tcgetattr(f, t) ioctl(f, TIOCGETA, (char *)t)
- # endif
- # endif
- # define tcsetattr(f, a, t) ioctl(f, a, t)
- # define cfsetospeed(tp, val) (tp)->c_cflag &= ~CBAUD; \
- (tp)->c_cflag |= (val)
- # define cfgetospeed(tp) ((tp)->c_cflag & CBAUD)
- # ifdef CIBAUD
- # define cfsetispeed(tp, val) (tp)->c_cflag &= ~CIBAUD; \
- (tp)->c_cflag |= ((val)<<IBSHIFT)
- # define cfgetispeed(tp) (((tp)->c_cflag & CIBAUD)>>IBSHIFT)
- # else
- # define cfsetispeed(tp, val) (tp)->c_cflag &= ~CBAUD; \
- (tp)->c_cflag |= (val)
- # define cfgetispeed(tp) ((tp)->c_cflag & CBAUD)
- # endif
- # endif /* TCSANOW */
- struct termios termbuf, termbuf2; /* pty control structure */
- #endif /* USE_TERMIO */
-
- /*
- * init_termbuf()
- * copy_termbuf(cp)
- * set_termbuf()
- *
- * These three routines are used to get and set the "termbuf" structure
- * to and from the kernel. init_termbuf() gets the current settings.
- * copy_termbuf() hands in a new "termbuf" to write to the kernel, and
- * set_termbuf() writes the structure into the kernel.
- */
-
- void
- init_termbuf()
- {
- #ifndef USE_TERMIO
- (void) ioctl(pty, TIOCGETP, (char *)&termbuf.sg);
- (void) ioctl(pty, TIOCGETC, (char *)&termbuf.tc);
- (void) ioctl(pty, TIOCGLTC, (char *)&termbuf.ltc);
- # ifdef TIOCGSTATE
- (void) ioctl(pty, TIOCGSTATE, (char *)&termbuf.state);
- # endif
- #else
- (void) tcgetattr(pty, &termbuf);
- #endif
- termbuf2 = termbuf;
- }
-
- #if defined(LINEMODE) && defined(TIOCPKT_IOCTL)
- void
- copy_termbuf(cp, len)
- char *cp;
- int len;
- {
- if (len > sizeof(termbuf))
- len = sizeof(termbuf);
- bcopy(cp, (char *)&termbuf, len);
- termbuf2 = termbuf;
- }
- #endif /* defined(LINEMODE) && defined(TIOCPKT_IOCTL) */
-
- void
- set_termbuf()
- {
- /*
- * Only make the necessary changes.
- */
- #ifndef USE_TERMIO
- if (bcmp((char *)&termbuf.sg, (char *)&termbuf2.sg, sizeof(termbuf.sg)))
- (void) ioctl(pty, TIOCSETN, (char *)&termbuf.sg);
- if (bcmp((char *)&termbuf.tc, (char *)&termbuf2.tc, sizeof(termbuf.tc)))
- (void) ioctl(pty, TIOCSETC, (char *)&termbuf.tc);
- if (bcmp((char *)&termbuf.ltc, (char *)&termbuf2.ltc,
- sizeof(termbuf.ltc)))
- (void) ioctl(pty, TIOCSLTC, (char *)&termbuf.ltc);
- if (termbuf.lflags != termbuf2.lflags)
- (void) ioctl(pty, TIOCLSET, (char *)&termbuf.lflags);
- #else /* USE_TERMIO */
- if (bcmp((char *)&termbuf, (char *)&termbuf2, sizeof(termbuf)))
- (void) tcsetattr(pty, TCSANOW, &termbuf);
- # if defined(CRAY2) && defined(UNCIOS5)
- needtermstat = 1;
- # endif
- #endif /* USE_TERMIO */
- }
-
-
- /*
- * spcset(func, valp, valpp)
- *
- * This function takes various special characters (func), and
- * sets *valp to the current value of that character, and
- * *valpp to point to where in the "termbuf" structure that
- * value is kept.
- *
- * It returns the SLC_ level of support for this function.
- */
-
- #ifndef USE_TERMIO
- int
- spcset(func, valp, valpp)
- int func;
- cc_t *valp;
- cc_t **valpp;
- {
- switch(func) {
- case SLC_EOF:
- *valp = termbuf.tc.t_eofc;
- *valpp = (cc_t *)&termbuf.tc.t_eofc;
- return(SLC_VARIABLE);
- case SLC_EC:
- *valp = termbuf.sg.sg_erase;
- *valpp = (cc_t *)&termbuf.sg.sg_erase;
- return(SLC_VARIABLE);
- case SLC_EL:
- *valp = termbuf.sg.sg_kill;
- *valpp = (cc_t *)&termbuf.sg.sg_kill;
- return(SLC_VARIABLE);
- case SLC_IP:
- *valp = termbuf.tc.t_intrc;
- *valpp = (cc_t *)&termbuf.tc.t_intrc;
- return(SLC_VARIABLE|SLC_FLUSHIN|SLC_FLUSHOUT);
- case SLC_ABORT:
- *valp = termbuf.tc.t_quitc;
- *valpp = (cc_t *)&termbuf.tc.t_quitc;
- return(SLC_VARIABLE|SLC_FLUSHIN|SLC_FLUSHOUT);
- case SLC_XON:
- *valp = termbuf.tc.t_startc;
- *valpp = (cc_t *)&termbuf.tc.t_startc;
- return(SLC_VARIABLE);
- case SLC_XOFF:
- *valp = termbuf.tc.t_stopc;
- *valpp = (cc_t *)&termbuf.tc.t_stopc;
- return(SLC_VARIABLE);
- case SLC_AO:
- *valp = termbuf.ltc.t_flushc;
- *valpp = (cc_t *)&termbuf.ltc.t_flushc;
- return(SLC_VARIABLE);
- case SLC_SUSP:
- *valp = termbuf.ltc.t_suspc;
- *valpp = (cc_t *)&termbuf.ltc.t_suspc;
- return(SLC_VARIABLE);
- case SLC_EW:
- *valp = termbuf.ltc.t_werasc;
- *valpp = (cc_t *)&termbuf.ltc.t_werasc;
- return(SLC_VARIABLE);
- case SLC_RP:
- *valp = termbuf.ltc.t_rprntc;
- *valpp = (cc_t *)&termbuf.ltc.t_rprntc;
- return(SLC_VARIABLE);
- case SLC_LNEXT:
- *valp = termbuf.ltc.t_lnextc;
- *valpp = (cc_t *)&termbuf.ltc.t_lnextc;
- return(SLC_VARIABLE);
- case SLC_FORW1:
- *valp = termbuf.tc.t_brkc;
- *valpp = (cc_t *)&termbuf.ltc.t_lnextc;
- return(SLC_VARIABLE);
- case SLC_BRK:
- case SLC_SYNCH:
- case SLC_AYT:
- case SLC_EOR:
- *valp = (cc_t)0;
- *valpp = (cc_t *)0;
- return(SLC_DEFAULT);
- default:
- *valp = (cc_t)0;
- *valpp = (cc_t *)0;
- return(SLC_NOSUPPORT);
- }
- }
-
- #else /* USE_TERMIO */
-
- int
- spcset(func, valp, valpp)
- int func;
- cc_t *valp;
- cc_t **valpp;
- {
-
- #define setval(a, b) *valp = termbuf.c_cc[a]; \
- *valpp = &termbuf.c_cc[a]; \
- return(b);
- #define defval(a) *valp = ((cc_t)a); *valpp = (cc_t *)0; return(SLC_DEFAULT);
-
- switch(func) {
- case SLC_EOF:
- setval(VEOF, SLC_VARIABLE);
- case SLC_EC:
- setval(VERASE, SLC_VARIABLE);
- case SLC_EL:
- setval(VKILL, SLC_VARIABLE);
- case SLC_IP:
- setval(VINTR, SLC_VARIABLE|SLC_FLUSHIN|SLC_FLUSHOUT);
- case SLC_ABORT:
- setval(VQUIT, SLC_VARIABLE|SLC_FLUSHIN|SLC_FLUSHOUT);
- case SLC_XON:
- #ifdef VSTART
- setval(VSTART, SLC_VARIABLE);
- #else
- defval(0x13);
- #endif
- case SLC_XOFF:
- #ifdef VSTOP
- setval(VSTOP, SLC_VARIABLE);
- #else
- defval(0x11);
- #endif
- case SLC_EW:
- #ifdef VWERASE
- setval(VWERASE, SLC_VARIABLE);
- #else
- defval(0);
- #endif
- case SLC_RP:
- #ifdef VREPRINT
- setval(VREPRINT, SLC_VARIABLE);
- #else
- defval(0);
- #endif
- case SLC_LNEXT:
- #ifdef VLNEXT
- setval(VLNEXT, SLC_VARIABLE);
- #else
- defval(0);
- #endif
- case SLC_AO:
- #if !defined(VDISCARD) && defined(VFLUSHO)
- # define VDISCARD VFLUSHO
- #endif
- #ifdef VDISCARD
- setval(VDISCARD, SLC_VARIABLE|SLC_FLUSHOUT);
- #else
- defval(0);
- #endif
- case SLC_SUSP:
- #ifdef VSUSP
- setval(VSUSP, SLC_VARIABLE|SLC_FLUSHIN);
- #else
- defval(0);
- #endif
- #ifdef VEOL
- case SLC_FORW1:
- setval(VEOL, SLC_VARIABLE);
- #endif
- #ifdef VEOL2
- case SLC_FORW2:
- setval(VEOL2, SLC_VARIABLE);
- #endif
- case SLC_AYT:
- #ifdef VSTATUS
- setval(VSTATUS, SLC_VARIABLE);
- #else
- defval(0);
- #endif
-
- case SLC_BRK:
- case SLC_SYNCH:
- case SLC_EOR:
- defval(0);
-
- default:
- *valp = 0;
- *valpp = 0;
- return(SLC_NOSUPPORT);
- }
- }
- #endif /* USE_TERMIO */
-
- #ifdef CRAY
- /*
- * getnpty()
- *
- * Return the number of pty's configured into the system.
- */
- int
- getnpty()
- {
- #ifdef _SC_CRAY_NPTY
- int numptys;
-
- if ((numptys = sysconf(_SC_CRAY_NPTY)) != -1)
- return numptys;
- else
- #endif /* _SC_CRAY_NPTY */
- return 128;
- }
- #endif /* CRAY */
-
- #ifndef convex
- /*
- * getpty()
- *
- * Allocate a pty. As a side effect, the external character
- * array "line" contains the name of the slave side.
- *
- * Returns the file descriptor of the opened pty.
- */
- #ifndef __GNUC__
- char *line = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
- #else
- static char Xline[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
- char *line = Xline;
- #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()
- {
- register int p;
- #ifndef CRAY
- register char c, *p1, *p2;
- register int i;
-
- (void) sprintf(line, "/dev/ptyXX");
- p1 = &line[8];
- p2 = &line[9];
-
- for (c = 'p'; c <= 's'; c++) {
- struct stat stb;
-
- *p1 = c;
- *p2 = '0';
- if (stat(line, &stb) < 0)
- break;
- for (i = 0; i < 16; i++) {
- *p2 = "0123456789abcdef"[i];
- p = open(line, 2);
- if (p > 0) {
- line[5] = 't';
- return(p);
- }
- }
- }
- #else /* CRAY */
- register int npty;
- extern lowpty, highpty;
- struct stat sb;
-
- for (npty = lowpty; npty <= highpty; npty++) {
- (void) sprintf(myline, "/dev/pty/%03d", npty);
- p = open(myline, 2);
- if (p < 0)
- continue;
- (void) sprintf(line, "/dev/ttyp%03d", npty);
- /*
- * 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 */
- 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.
- */
-
- 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
- }
-
- #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 */
- }
-
- int
- tty_isecho()
- {
- #ifndef USE_TERMIO
- return (termbuf.sg.sg_flags & ECHO);
- #else
- return (termbuf.c_lflag & ECHO);
- #endif
- }
- #endif /* LINEMODE */
-
- 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
- }
-
- #if defined(LINEMODE) && defined(KLUDGELINEMODE)
- int
- tty_israw()
- {
- #ifndef USE_TERMIO
- return(termbuf.sg.sg_flags & RAW);
- #else
- return(!(termbuf.c_lflag & ICANON));
- #endif
- }
- #endif /* defined(LINEMODE) && defined(KLUDGELINEMODE) */
-
- 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
- }
-
- /*
- * 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 }, { 9600, B9600 }, { 19200, B9600 },
- { 38400, B9600 }, { -1, B9600 }
- };
-
- void
- tty_tspeed(val)
- int val;
- {
- register struct termspeeds *tp;
-
- for (tp = termspeeds; (tp->speed != -1) && (val > tp->speed); tp++)
- ;
- cfsetospeed(&termbuf, tp->value);
- }
-
- void
- tty_rspeed(val)
- int val;
- {
- register struct termspeeds *tp;
-
- for (tp = termspeeds; (tp->speed != -1) && (val > tp->speed); tp++)
- ;
- cfsetispeed(&termbuf, tp->value);
- }
-
- #if defined(CRAY2) && defined(UNICOS5)
- int
- tty_isnewmap()
- {
- return((termbuf.c_oflag & OPOST) && (termbuf.c_oflag & ONLCR) &&
- !(termbuf.c_oflag & ONLRET));
- }
- #endif
-
- #ifdef CRAY
- # ifndef NEWINIT
- extern struct utmp wtmp;
- extern char wtmpf[];
- # else /* NEWINIT */
- int gotalarm;
-
- /* ARGSUSED */
- void
- nologinproc(sig)
- int sig;
- {
- gotalarm++;
- }
- # endif /* NEWINIT */
- #endif /* CRAY */
-
- #ifndef NEWINIT
- # ifdef CRAY
- 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
- #endif
-
- /*
- * getptyslave()
- *
- * Open the slave side of the pty, and do any initialization
- * that is necessary. The return value is a file descriptor
- * for the slave side.
- */
- int
- getptyslave()
- {
- register int t = -1;
-
- #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
- * so that we can re-set them if we need to.
- */
- # ifdef LINEMODE
- waslm = tty_linemode();
- # endif
-
-
- /*
- * 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 CRAY
- /*
- * 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);
-
- /*
- * set up the tty modes as we like them to be.
- */
- init_termbuf();
- # ifdef TIOCGWINSZ
- if (def_row || def_col) {
- bzero((char *)&ws, 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
- */
- # ifdef CRAY
- 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) && (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);
- # 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 (pty > 2)
- (void) close(pty);
- }
-
- #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;
-
- /*
- * Make sure that other people can't open the
- * slave side of the connection.
- */
- (void) chown(line, 0, 0);
- (void) chmod(line, 0600);
-
- # if !defined(CRAY) && (BSD > 43)
- (void) revoke(line);
- # endif
- t = open(line, O_RDWR|O_NOCTTY);
- if (t < 0)
- return(-1);
-
- /*
- * Hangup anybody else using this ttyp, then reopen it for
- * ourselves.
- */
- # if !defined(CRAY) && (BSD <= 43)
- (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);
- setpgrp();
- i = open(line, O_RDWR);
- 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)
- fatalperror(net, "setsid()");
- # ifdef TIOCSCTTY
- if (ioctl(t, TIOCSCTTY, (char *)0) < 0)
- fatalperror(net, "ioctl(sctty)");
- # if defined(CRAY) && defined(SESS_CTTY) /* SESS_CTTY is in param.h */
- /*
- * 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
- 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;
- long time();
- char name[256];
- #ifdef NEWINIT
- extern char *ptyip;
- struct init_request request;
- void nologinproc();
- register int n;
- #endif /* NEWINIT */
-
- #if defined(AUTHENTICATE)
- if (!autoname || !autoname[0])
- autologin = 0;
-
- if (autologin < auth_level) {
- fatal(net, "Authorization failed");
- exit(1);
- }
- #endif
-
- #ifndef NEWINIT
- # ifdef CRAY
- utmp_sig_init();
- # endif /* CRAY */
-
- if ((i = fork()) < 0)
- fatalperror(net, "fork");
- if (i) {
- # ifdef CRAY
- /*
- * 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);
- SCPYN(wtmp.ut_id, wtmp.ut_line+3);
- pututline(&wtmp);
- endutent();
- if ((i = open(wtmpf, O_WRONLY|O_APPEND)) >= 0) {
- (void) write(i, (char *)&wtmp, sizeof(struct utmp));
- (void) close(i);
- }
- (void) signal(WJSIGNAL, sigjob);
- utmp_sig_notify(pid);
- # endif /* CRAY */
- } else {
- getptyslave();
- 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) sprintf(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) sprintf(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;
- sprintf(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;
- #ifdef CRAY
- 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 *cp;
- register char **argv;
- char **addarg();
-
- /*
- * -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");
- argv = addarg(argv, "-h");
- argv = addarg(argv, host);
- #if !defined(NO_LOGIN_P)
- argv = addarg(argv, "-p");
- #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 (AUTHENTICATE)
- if (auth_level >= 0 && autologin == AUTH_VALID) {
- # if !defined(NO_LOGIN_F)
- argv = addarg(argv, "-f");
- # endif
- argv = addarg(argv, name);
- } else
- #endif
- if (getenv("USER")) {
- argv = addarg(argv, getenv("USER"));
- #if defined(CRAY) && defined(NO_LOGIN_P)
- {
- register char **cpp;
- for (cpp = environ; *cpp; cpp++)
- argv = addarg(argv, *cpp);
- }
- #endif
- }
- closelog();
- execv(_PATH_LOGIN, argv);
-
- syslog(LOG_ERR, "%s: %m\n", _PATH_LOGIN);
- fatalperror(net, _PATH_LOGIN);
- /*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, (int)(*argv) + 2);
- if (argv == NULL)
- return(NULL);
- argv++;
- cpp = &argv[(int)argv[-1] - 10];
- }
- *cpp++ = val;
- *cpp = 0;
- return(argv);
- }
- #endif /* NEWINIT */
-
- /*
- * 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 CRAY
- # 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 /* CRAY */
- # ifdef NEWINIT
- (void) shutdown(net, 2);
- exit(1);
- # else /* NEWINIT */
- static int incleanup = 0;
- register int t;
-
- /*
- * 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, 0, WNOHANG) > 0)
- ; /* VOID */
- t = sigblock(sigmask(SIGCHLD));
- if (incleanup) {
- sigsetmask(t);
- return;
- }
- incleanup = 1;
- sigsetmask(t);
-
- t = cleantmp(&wtmp);
- setutent(); /* just to make sure */
- rmut(line);
- close(pty);
- (void) shutdown(net, 2);
- if (t == 0)
- cleantmp(&wtmp);
- exit(1);
- # endif /* NEWINT */
- #endif /* CRAY */
- }
-
- #if defined(CRAY) && !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 */
- }
-
- 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);
- }
-
- 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);
- }
- }
-
- /*
- * 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((struct utmp *));
-
- 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 char saved_path[sizeof(wtmp.ut_tpath)+1];
- static char saved_user[sizeof(wtmp.ut_user)+1];
-
- 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);
- }
- 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\n",
- tpath);
- break;
- case 0:
- execl(CLEANTMPCMD, CLEANTMPCMD, user, tpath, 0);
- syslog(LOG_ERR, "TMPDIR cleanup(%s): execl(%s) failed: %m\n",
- tpath, CLEANTMPCMD);
- exit(1);
- default:
- /*
- * Forget about child. We will exit, and
- * /etc/init will pick it up.
- */
- break;
- }
- }
- #endif /* defined(CRAY) && !defined(NEWINIT) */
-
- /*
- * rmut()
- *
- * This is the function called by cleanup() to
- * remove the utmp entry for this person.
- */
-
- #if !defined(CRAY) && 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 */
-