2000-11-30 21:05:33 +00:00
|
|
|
/* $Header: /src/pub/tcsh/sh.c,v 3.92 2000/11/11 23:03:35 christos Exp $ */
|
2000-04-15 04:41:27 +00:00
|
|
|
/*
|
|
|
|
|
* sh.c: Main shell routines
|
|
|
|
|
*/
|
|
|
|
|
/*-
|
|
|
|
|
* Copyright (c) 1980, 1991 The 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.
|
|
|
|
|
*/
|
|
|
|
|
#define EXTERN /* Intern */
|
|
|
|
|
#include "sh.h"
|
|
|
|
|
|
|
|
|
|
#ifndef lint
|
|
|
|
|
char copyright[] =
|
|
|
|
|
"@(#) Copyright (c) 1991 The Regents of the University of California.\n\
|
|
|
|
|
All rights reserved.\n";
|
|
|
|
|
#endif /* not lint */
|
|
|
|
|
|
2000-11-30 21:05:33 +00:00
|
|
|
RCSID("$Id: sh.c,v 3.92 2000/11/11 23:03:35 christos Exp $")
|
2000-04-15 04:41:27 +00:00
|
|
|
|
|
|
|
|
#include "tc.h"
|
|
|
|
|
#include "ed.h"
|
|
|
|
|
#include "tw.h"
|
|
|
|
|
|
|
|
|
|
extern bool MapsAreInited;
|
|
|
|
|
extern bool NLSMapsAreInited;
|
|
|
|
|
extern bool NoNLSRebind;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* C Shell
|
|
|
|
|
*
|
|
|
|
|
* Bill Joy, UC Berkeley, California, USA
|
|
|
|
|
* October 1978, May 1980
|
|
|
|
|
*
|
|
|
|
|
* Jim Kulp, IIASA, Laxenburg, Austria
|
|
|
|
|
* April 1980
|
|
|
|
|
*
|
|
|
|
|
* Filename recognition added:
|
|
|
|
|
* Ken Greer, Ind. Consultant, Palo Alto CA
|
|
|
|
|
* October 1983.
|
|
|
|
|
*
|
|
|
|
|
* Karl Kleinpaste, Computer Consoles, Inc.
|
|
|
|
|
* Added precmd, periodic/tperiod, prompt changes,
|
|
|
|
|
* directory stack hack, and login watch.
|
|
|
|
|
* Sometime March 1983 - Feb 1984.
|
|
|
|
|
*
|
|
|
|
|
* Added scheduled commands, including the "sched" command,
|
|
|
|
|
* plus the call to sched_run near the precmd et al
|
|
|
|
|
* routines.
|
|
|
|
|
* Upgraded scheduled events for running events while
|
|
|
|
|
* sitting idle at command input.
|
|
|
|
|
*
|
|
|
|
|
* Paul Placeway, Ohio State
|
|
|
|
|
* added stuff for running with twenex/inputl 9 Oct 1984.
|
|
|
|
|
*
|
|
|
|
|
* ported to Apple Unix (TM) (OREO) 26 -- 29 Jun 1987
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
jmp_buf_t reslab INIT_ZERO_STRUCT;
|
|
|
|
|
|
|
|
|
|
static const char tcshstr[] = "tcsh";
|
2000-11-30 21:05:33 +00:00
|
|
|
#ifdef WINNT_NATIVE
|
2000-04-15 04:41:27 +00:00
|
|
|
static const char tcshstr_nt[] = "tcsh.exe";
|
2000-11-30 21:05:33 +00:00
|
|
|
#endif /* WINNT_NATIVE */
|
2000-04-15 04:41:27 +00:00
|
|
|
|
|
|
|
|
signalfun_t parintr = 0; /* Parents interrupt catch */
|
|
|
|
|
signalfun_t parterm = 0; /* Parents terminate catch */
|
|
|
|
|
|
|
|
|
|
#ifdef TESLA
|
|
|
|
|
int do_logout = 0;
|
|
|
|
|
#endif /* TESLA */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool use_fork = 0; /* use fork() instead of vfork()? */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Magic pointer values. Used to specify other invalid conditions aside
|
|
|
|
|
* from null.
|
|
|
|
|
*/
|
|
|
|
|
static Char INVCHAR;
|
|
|
|
|
Char *INVPTR = &INVCHAR;
|
|
|
|
|
Char **INVPPTR = &INVPTR;
|
|
|
|
|
|
|
|
|
|
static int nofile = 0;
|
|
|
|
|
static bool reenter = 0;
|
|
|
|
|
static bool nverbose = 0;
|
|
|
|
|
static bool nexececho = 0;
|
|
|
|
|
static bool quitit = 0;
|
|
|
|
|
static bool rdirs = 0;
|
|
|
|
|
bool fast = 0;
|
|
|
|
|
static bool batch = 0;
|
|
|
|
|
static bool mflag = 0;
|
|
|
|
|
static bool prompt = 1;
|
|
|
|
|
static int enterhist = 0;
|
|
|
|
|
bool tellwhat = 0;
|
|
|
|
|
time_t t_period;
|
|
|
|
|
Char *ffile = NULL;
|
|
|
|
|
bool dolzero = 0;
|
|
|
|
|
int insource = 0;
|
2000-11-30 21:05:33 +00:00
|
|
|
int exitset = 0;
|
2000-04-15 04:41:27 +00:00
|
|
|
static time_t chktim; /* Time mail last checked */
|
|
|
|
|
char *progname;
|
|
|
|
|
int tcsh;
|
|
|
|
|
extern char **environ;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* This preserves the input state of the shell. It is used by
|
|
|
|
|
* st_save and st_restore to manupulate shell state.
|
|
|
|
|
*/
|
|
|
|
|
struct saved_state {
|
|
|
|
|
int insource;
|
|
|
|
|
int SHIN;
|
|
|
|
|
int intty;
|
|
|
|
|
struct whyle *whyles;
|
|
|
|
|
Char *gointr;
|
|
|
|
|
Char *arginp;
|
|
|
|
|
Char *evalp;
|
|
|
|
|
Char **evalvec;
|
|
|
|
|
Char *alvecp;
|
|
|
|
|
Char **alvec;
|
|
|
|
|
int onelflg;
|
|
|
|
|
bool enterhist;
|
|
|
|
|
Char **argv;
|
|
|
|
|
Char HIST;
|
|
|
|
|
bool cantell;
|
|
|
|
|
struct Bin B;
|
|
|
|
|
/* These keep signal state and setjump state */
|
|
|
|
|
#ifdef BSDSIGS
|
|
|
|
|
sigmask_t mask;
|
|
|
|
|
#endif
|
|
|
|
|
jmp_buf_t oldexit;
|
|
|
|
|
int reenter;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static int srccat __P((Char *, Char *));
|
|
|
|
|
static int srcfile __P((char *, bool, int, Char **));
|
|
|
|
|
static sigret_t phup __P((int));
|
|
|
|
|
static void srcunit __P((int, bool, int, Char **));
|
|
|
|
|
static void mailchk __P((void));
|
|
|
|
|
#ifndef _PATH_DEFPATH
|
|
|
|
|
static Char **defaultpath __P((void));
|
|
|
|
|
#endif
|
|
|
|
|
static void record __P((void));
|
|
|
|
|
static void st_save __P((struct saved_state *, int, int,
|
|
|
|
|
Char **, Char **));
|
|
|
|
|
static void st_restore __P((struct saved_state *, Char **));
|
|
|
|
|
|
|
|
|
|
int main __P((int, char **));
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
main(argc, argv)
|
|
|
|
|
int argc;
|
|
|
|
|
char **argv;
|
|
|
|
|
{
|
|
|
|
|
register Char *cp;
|
|
|
|
|
#ifdef AUTOLOGOUT
|
|
|
|
|
register Char *cp2;
|
|
|
|
|
#endif
|
|
|
|
|
register char *tcp, *ttyn;
|
|
|
|
|
register int f;
|
|
|
|
|
register char **tempv;
|
|
|
|
|
|
|
|
|
|
#ifdef BSDSIGS
|
|
|
|
|
sigvec_t osv;
|
|
|
|
|
#endif /* BSDSIGS */
|
|
|
|
|
|
2000-11-30 21:05:33 +00:00
|
|
|
#ifdef WINNT_NATIVE
|
2000-04-15 04:41:27 +00:00
|
|
|
nt_init();
|
2000-11-30 21:05:33 +00:00
|
|
|
#endif /* WINNT_NATIVE */
|
2000-04-15 04:41:27 +00:00
|
|
|
#if defined(NLS_CATALOGS) && defined(LC_MESSAGES)
|
|
|
|
|
(void) setlocale(LC_MESSAGES, "");
|
|
|
|
|
#endif /* NLS_CATALOGS && LC_MESSAGES */
|
|
|
|
|
|
|
|
|
|
#ifdef NLS
|
|
|
|
|
# ifdef LC_CTYPE
|
|
|
|
|
(void) setlocale(LC_CTYPE, ""); /* for iscntrl */
|
|
|
|
|
# endif /* LC_CTYPE */
|
|
|
|
|
#endif /* NLS */
|
|
|
|
|
|
|
|
|
|
nlsinit();
|
|
|
|
|
|
|
|
|
|
#ifdef MALLOC_TRACE
|
|
|
|
|
mal_setstatsfile(fdopen(dup2(open("/tmp/tcsh.trace",
|
|
|
|
|
O_WRONLY|O_CREAT, 0666), 25), "w"));
|
|
|
|
|
mal_trace(1);
|
|
|
|
|
#endif /* MALLOC_TRACE */
|
|
|
|
|
|
|
|
|
|
#if !(defined(BSDTIMES) || defined(_SEQUENT_)) && defined(POSIX)
|
|
|
|
|
# ifdef _SC_CLK_TCK
|
|
|
|
|
clk_tck = (clock_t) sysconf(_SC_CLK_TCK);
|
|
|
|
|
# else /* ! _SC_CLK_TCK */
|
|
|
|
|
# ifdef CLK_TCK
|
|
|
|
|
clk_tck = CLK_TCK;
|
|
|
|
|
# else /* !CLK_TCK */
|
|
|
|
|
clk_tck = HZ;
|
|
|
|
|
# endif /* CLK_TCK */
|
|
|
|
|
# endif /* _SC_CLK_TCK */
|
|
|
|
|
#endif /* !BSDTIMES && POSIX */
|
|
|
|
|
|
|
|
|
|
settimes(); /* Immed. estab. timing base */
|
|
|
|
|
#ifdef TESLA
|
|
|
|
|
do_logout = 0;
|
|
|
|
|
#endif /* TESLA */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Make sure we have 0, 1, 2 open
|
|
|
|
|
* Otherwise `` jobs will not work... (From knaff@poly.polytechnique.fr)
|
|
|
|
|
*/
|
|
|
|
|
{
|
|
|
|
|
do
|
|
|
|
|
if ((f = open(_PATH_DEVNULL, O_RDONLY)) == -1 &&
|
|
|
|
|
(f = open("/", O_RDONLY)) == -1)
|
|
|
|
|
exit(1);
|
|
|
|
|
while (f < 3);
|
|
|
|
|
(void) close(f);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
osinit(); /* Os dependent initialization */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
{
|
|
|
|
|
char *t;
|
|
|
|
|
|
|
|
|
|
t = strrchr(argv[0], '/');
|
2000-11-30 21:05:33 +00:00
|
|
|
#ifdef WINNT_NATIVE
|
2000-04-15 04:41:27 +00:00
|
|
|
{
|
|
|
|
|
char *s = strrchr(argv[0], '\\');
|
|
|
|
|
if (s)
|
|
|
|
|
t = s;
|
|
|
|
|
}
|
2000-11-30 21:05:33 +00:00
|
|
|
#endif /* WINNT_NATIVE */
|
2000-04-15 04:41:27 +00:00
|
|
|
t = t ? t + 1 : argv[0];
|
|
|
|
|
if (*t == '-') t++;
|
|
|
|
|
progname = strsave((t && *t) ? t : tcshstr); /* never want a null */
|
|
|
|
|
tcsh = strcmp(progname, tcshstr) == 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Initialize non constant strings
|
|
|
|
|
*/
|
|
|
|
|
#ifdef _PATH_BSHELL
|
|
|
|
|
STR_BSHELL = SAVE(_PATH_BSHELL);
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef _PATH_TCSHELL
|
|
|
|
|
STR_SHELLPATH = SAVE(_PATH_TCSHELL);
|
|
|
|
|
#else
|
|
|
|
|
# ifdef _PATH_CSHELL
|
|
|
|
|
STR_SHELLPATH = SAVE(_PATH_CSHELL);
|
|
|
|
|
# endif
|
|
|
|
|
#endif
|
|
|
|
|
STR_environ = blk2short(environ);
|
|
|
|
|
environ = short2blk(STR_environ); /* So that we can free it */
|
|
|
|
|
STR_WORD_CHARS = SAVE(WORD_CHARS);
|
|
|
|
|
|
|
|
|
|
HIST = '!';
|
|
|
|
|
HISTSUB = '^';
|
|
|
|
|
PRCH = '>';
|
|
|
|
|
PRCHROOT = '#';
|
|
|
|
|
word_chars = STR_WORD_CHARS;
|
|
|
|
|
bslash_quote = 0; /* PWP: do tcsh-style backslash quoting? */
|
|
|
|
|
|
|
|
|
|
/* Default history size to 100 */
|
|
|
|
|
set(STRhistory, SAVE("100"), VAR_READWRITE);
|
|
|
|
|
|
|
|
|
|
tempv = argv;
|
|
|
|
|
ffile = SAVE(tempv[0]);
|
|
|
|
|
dolzero = 0;
|
|
|
|
|
if (eq(ffile, STRaout)) /* A.out's are quittable */
|
|
|
|
|
quitit = 1;
|
|
|
|
|
uid = getuid();
|
|
|
|
|
gid = getgid();
|
|
|
|
|
euid = geteuid();
|
|
|
|
|
egid = getegid();
|
|
|
|
|
#if defined(OREO) || defined(DT_SUPPORT)
|
|
|
|
|
/*
|
|
|
|
|
* We are a login shell if: 1. we were invoked as -<something> with
|
|
|
|
|
* optional arguments 2. or we were invoked only with the -l flag
|
|
|
|
|
*/
|
|
|
|
|
loginsh = (**tempv == '-') || (argc == 2 &&
|
|
|
|
|
tempv[1][0] == '-' && tempv[1][1] == 'l' &&
|
|
|
|
|
tempv[1][2] == '\0');
|
|
|
|
|
#else
|
|
|
|
|
/*
|
|
|
|
|
* We are a login shell if: 1. we were invoked as -<something> and we had
|
|
|
|
|
* no arguments 2. or we were invoked only with the -l flag
|
|
|
|
|
*/
|
|
|
|
|
loginsh = (**tempv == '-' && argc == 1) || (argc == 2 &&
|
|
|
|
|
tempv[1][0] == '-' && tempv[1][1] == 'l' &&
|
|
|
|
|
tempv[1][2] == '\0');
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef _VMS_POSIX
|
|
|
|
|
/* No better way to find if we are a login shell */
|
|
|
|
|
if (!loginsh) {
|
|
|
|
|
loginsh = (argc == 1 && getppid() == 1);
|
|
|
|
|
**tempv = '-'; /* Avoid giving VMS an acidic stomach */
|
|
|
|
|
}
|
|
|
|
|
#endif /* _VMS_POSIX */
|
|
|
|
|
|
|
|
|
|
if (loginsh && **tempv != '-') {
|
|
|
|
|
/*
|
|
|
|
|
* Mangle the argv space
|
|
|
|
|
*/
|
|
|
|
|
tempv[1][0] = '\0';
|
|
|
|
|
tempv[1][1] = '\0';
|
|
|
|
|
tempv[1] = NULL;
|
|
|
|
|
for (tcp = *tempv; *tcp++;)
|
|
|
|
|
continue;
|
|
|
|
|
for (tcp--; tcp >= *tempv; tcp--)
|
|
|
|
|
tcp[1] = tcp[0];
|
|
|
|
|
*++tcp = '-';
|
|
|
|
|
argc--;
|
|
|
|
|
}
|
|
|
|
|
if (loginsh) {
|
|
|
|
|
(void) time(&chktim);
|
|
|
|
|
set(STRloginsh, Strsave(STRNULL), VAR_READWRITE);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
AsciiOnly = 1;
|
|
|
|
|
NoNLSRebind = getenv("NOREBIND") != NULL;
|
|
|
|
|
#ifdef NLS
|
|
|
|
|
# ifdef SETLOCALEBUG
|
|
|
|
|
dont_free = 1;
|
|
|
|
|
# endif /* SETLOCALEBUG */
|
|
|
|
|
(void) setlocale(LC_ALL, "");
|
|
|
|
|
# ifdef LC_COLLATE
|
|
|
|
|
(void) setlocale(LC_COLLATE, "");
|
|
|
|
|
# endif
|
|
|
|
|
# ifdef SETLOCALEBUG
|
|
|
|
|
dont_free = 0;
|
|
|
|
|
# endif /* SETLOCALEBUG */
|
|
|
|
|
# ifdef STRCOLLBUG
|
|
|
|
|
fix_strcoll_bug();
|
|
|
|
|
# endif /* STRCOLLBUG */
|
|
|
|
|
|
|
|
|
|
{
|
|
|
|
|
int k;
|
|
|
|
|
|
|
|
|
|
for (k = 0200; k <= 0377 && !Isprint(k); k++)
|
|
|
|
|
continue;
|
|
|
|
|
AsciiOnly = k > 0377;
|
|
|
|
|
}
|
|
|
|
|
#else
|
|
|
|
|
AsciiOnly = getenv("LANG") == NULL && getenv("LC_CTYPE") == NULL;
|
|
|
|
|
#endif /* NLS */
|
|
|
|
|
if (MapsAreInited && !NLSMapsAreInited)
|
|
|
|
|
ed_InitNLSMaps();
|
|
|
|
|
ResetArrowKeys();
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Initialize for periodic command intervals. Also, initialize the dummy
|
|
|
|
|
* tty list for login-watch.
|
|
|
|
|
*/
|
|
|
|
|
(void) time(&t_period);
|
|
|
|
|
#ifndef HAVENOUTMP
|
|
|
|
|
initwatch();
|
|
|
|
|
#endif /* !HAVENOUTMP */
|
|
|
|
|
|
|
|
|
|
#if defined(alliant)
|
|
|
|
|
/*
|
|
|
|
|
* From: Jim Pace <jdp@research.att.com>
|
|
|
|
|
* tcsh does not work properly on the alliants through an rlogin session.
|
|
|
|
|
* The shell generally hangs. Also, reference to the controlling terminal
|
|
|
|
|
* does not work ( ie: echo foo > /dev/tty ).
|
|
|
|
|
*
|
|
|
|
|
* A security feature was added to rlogind affecting FX/80's Concentrix
|
|
|
|
|
* from revision 5.5.xx upwards (through 5.7 where this fix was implemented)
|
|
|
|
|
* This security change also affects the FX/2800 series.
|
|
|
|
|
* The security change to rlogind requires the process group of an rlogin
|
|
|
|
|
* session become disassociated with the tty in rlogind.
|
|
|
|
|
*
|
|
|
|
|
* The changes needed are:
|
|
|
|
|
* 1. set the process group
|
|
|
|
|
* 2. reenable the control terminal
|
|
|
|
|
*/
|
|
|
|
|
if (loginsh && isatty(SHIN)) {
|
|
|
|
|
ttyn = (char *) ttyname(SHIN);
|
|
|
|
|
(void) close(SHIN);
|
|
|
|
|
SHIN = open(ttyn, O_RDWR);
|
|
|
|
|
shpgrp = getpid();
|
|
|
|
|
(void) ioctl (SHIN, TIOCSPGRP, (ioctl_t) &shpgrp);
|
|
|
|
|
(void) setpgid(0, shpgrp);
|
|
|
|
|
}
|
|
|
|
|
#endif /* alliant */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Move the descriptors to safe places. The variable didfds is 0 while we
|
|
|
|
|
* have only FSH* to work with. When didfds is true, we have 0,1,2 and
|
|
|
|
|
* prefer to use these.
|
|
|
|
|
*/
|
|
|
|
|
initdesc();
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Get and set the tty now
|
|
|
|
|
*/
|
|
|
|
|
if ((ttyn = ttyname(SHIN)) != NULL) {
|
|
|
|
|
/*
|
|
|
|
|
* Could use rindex to get rid of other possible path components, but
|
|
|
|
|
* hpux preserves the subdirectory /pty/ when storing the tty name in
|
|
|
|
|
* utmp, so we keep it too.
|
|
|
|
|
*/
|
|
|
|
|
if (strncmp(ttyn, "/dev/", 5) == 0)
|
|
|
|
|
set(STRtty, cp = SAVE(ttyn + 5), VAR_READWRITE);
|
|
|
|
|
else
|
|
|
|
|
set(STRtty, cp = SAVE(ttyn), VAR_READWRITE);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
set(STRtty, cp = SAVE(""), VAR_READWRITE);
|
|
|
|
|
/*
|
|
|
|
|
* Initialize the shell variables. ARGV and PROMPT are initialized later.
|
|
|
|
|
* STATUS is also munged in several places. CHILD is munged when
|
|
|
|
|
* forking/waiting
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* 7-10-87 Paul Placeway autologout should be set ONLY on login shells and
|
|
|
|
|
* on shells running as root. Out of these, autologout should NOT be set
|
|
|
|
|
* for any psudo-terminals (this catches most window systems) and not for
|
|
|
|
|
* any terminal running X windows.
|
|
|
|
|
*
|
|
|
|
|
* At Ohio State, we have had problems with a user having his X session
|
|
|
|
|
* drop out from under him (on a Sun) because the shell in his master
|
|
|
|
|
* xterm timed out and exited.
|
|
|
|
|
*
|
|
|
|
|
* Really, this should be done with a program external to the shell, that
|
|
|
|
|
* watches for no activity (and NO running programs, such as dump) on a
|
|
|
|
|
* terminal for a long peroid of time, and then SIGHUPS the shell on that
|
|
|
|
|
* terminal.
|
|
|
|
|
*
|
|
|
|
|
* bugfix by Rich Salz <rsalz@PINEAPPLE.BBN.COM>: For root rsh things
|
|
|
|
|
* allways first check to see if loginsh or really root, then do things
|
|
|
|
|
* with ttyname()
|
|
|
|
|
*
|
|
|
|
|
* Also by Jean-Francois Lamy <lamy%ai.toronto.edu@RELAY.CS.NET>: check the
|
|
|
|
|
* value of cp before using it! ("root can rsh too")
|
|
|
|
|
*
|
|
|
|
|
* PWP: keep the nested ifs; the order of the tests matters and a good
|
|
|
|
|
* (smart) C compiler might re-arange things wrong.
|
|
|
|
|
*/
|
|
|
|
|
#ifdef AUTOLOGOUT
|
|
|
|
|
# ifdef convex
|
|
|
|
|
if (uid == 0) {
|
|
|
|
|
/* root always has a 15 minute autologout */
|
|
|
|
|
set(STRautologout, Strsave(STRrootdefautologout), VAR_READWRITE);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
if (loginsh)
|
|
|
|
|
/* users get autologout set to 0 */
|
|
|
|
|
set(STRautologout, Strsave(STR0), VAR_READWRITE);
|
|
|
|
|
# else /* convex */
|
|
|
|
|
if (loginsh || (uid == 0)) {
|
|
|
|
|
if (*cp) {
|
|
|
|
|
/* only for login shells or root and we must have a tty */
|
|
|
|
|
if ((cp2 = Strrchr(cp, (Char) '/')) != NULL) {
|
|
|
|
|
cp = cp2 + 1;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
cp2 = cp;
|
|
|
|
|
if (!(((Strncmp(cp2, STRtty, 3) == 0) && Isalpha(cp2[3])) ||
|
|
|
|
|
((Strncmp(cp, STRpts, 3) == 0) && cp[3] == '/'))) {
|
|
|
|
|
if (getenv("DISPLAY") == NULL) {
|
|
|
|
|
/* NOT on X window shells */
|
|
|
|
|
set(STRautologout, Strsave(STRdefautologout),
|
|
|
|
|
VAR_READWRITE);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
# endif /* convex */
|
|
|
|
|
#endif /* AUTOLOGOUT */
|
|
|
|
|
|
|
|
|
|
(void) sigset(SIGALRM, alrmcatch);
|
|
|
|
|
|
|
|
|
|
set(STRstatus, Strsave(STR0), VAR_READWRITE);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* get and set machine specific envirnment variables
|
|
|
|
|
*/
|
|
|
|
|
getmachine();
|
|
|
|
|
|
|
|
|
|
fix_version(); /* publish the shell version */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Publish the selected echo style
|
|
|
|
|
*/
|
|
|
|
|
#if ECHO_STYLE == NONE_ECHO
|
|
|
|
|
set(STRecho_style, Strsave(STRnone), VAR_READWRITE);
|
|
|
|
|
#endif /* ECHO_STYLE == NONE_ECHO */
|
|
|
|
|
#if ECHO_STYLE == BSD_ECHO
|
|
|
|
|
set(STRecho_style, Strsave(STRbsd), VAR_READWRITE);
|
|
|
|
|
#endif /* ECHO_STYLE == BSD_ECHO */
|
|
|
|
|
#if ECHO_STYLE == SYSV_ECHO
|
|
|
|
|
set(STRecho_style, Strsave(STRsysv), VAR_READWRITE);
|
|
|
|
|
#endif /* ECHO_STYLE == SYSV_ECHO */
|
|
|
|
|
#if ECHO_STYLE == BOTH_ECHO
|
|
|
|
|
set(STRecho_style, Strsave(STRboth), VAR_READWRITE);
|
|
|
|
|
#endif /* ECHO_STYLE == BOTH_ECHO */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* increment the shell level.
|
|
|
|
|
*/
|
|
|
|
|
shlvl(1);
|
|
|
|
|
|
2001-03-03 23:45:43 +00:00
|
|
|
if ((tcp = getenv("HOME")) != NULL) {
|
|
|
|
|
if (strlen(tcp) >= MAXPATHLEN) {
|
|
|
|
|
struct passwd *pw;
|
|
|
|
|
if ((pw = getpwuid(getuid())) != NULL)
|
|
|
|
|
cp = quote(SAVE(pw->pw_dir));
|
|
|
|
|
else {
|
|
|
|
|
tcp[MAXPATHLEN-1] = '\0';
|
|
|
|
|
cp = quote(SAVE(tcp));
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
cp = quote(SAVE(tcp));
|
|
|
|
|
}
|
|
|
|
|
} else
|
2000-04-15 04:41:27 +00:00
|
|
|
cp = NULL;
|
2001-03-03 23:45:43 +00:00
|
|
|
|
2000-04-15 04:41:27 +00:00
|
|
|
if (cp == NULL)
|
|
|
|
|
fast = 1; /* No home -> can't read scripts */
|
|
|
|
|
else
|
|
|
|
|
set(STRhome, cp, VAR_READWRITE);
|
2001-03-03 23:45:43 +00:00
|
|
|
|
2000-04-15 04:41:27 +00:00
|
|
|
dinit(cp); /* dinit thinks that HOME == cwd in a login
|
|
|
|
|
* shell */
|
|
|
|
|
/*
|
|
|
|
|
* Grab other useful things from the environment. Should we grab
|
|
|
|
|
* everything??
|
|
|
|
|
*/
|
|
|
|
|
{
|
|
|
|
|
char *cln, *cus, *cgr;
|
|
|
|
|
Char buff[BUFSIZE];
|
|
|
|
|
struct passwd *pw;
|
|
|
|
|
struct group *gr;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef apollo
|
|
|
|
|
int oid = getoid();
|
|
|
|
|
|
|
|
|
|
(void) Itoa(oid, buff, 0, 0);
|
|
|
|
|
set(STRoid, Strsave(buff), VAR_READWRITE);
|
|
|
|
|
#endif /* apollo */
|
|
|
|
|
|
|
|
|
|
(void) Itoa(uid, buff, 0, 0);
|
|
|
|
|
set(STRuid, Strsave(buff), VAR_READWRITE);
|
|
|
|
|
|
|
|
|
|
(void) Itoa(gid, buff, 0, 0);
|
|
|
|
|
set(STRgid, Strsave(buff), VAR_READWRITE);
|
|
|
|
|
|
|
|
|
|
cln = getenv("LOGNAME");
|
|
|
|
|
cus = getenv("USER");
|
|
|
|
|
if (cus != NULL)
|
|
|
|
|
set(STRuser, quote(SAVE(cus)), VAR_READWRITE);
|
|
|
|
|
else if (cln != NULL)
|
|
|
|
|
set(STRuser, quote(SAVE(cln)), VAR_READWRITE);
|
|
|
|
|
else if ((pw = getpwuid(uid)) == NULL)
|
|
|
|
|
set(STRuser, SAVE("unknown"), VAR_READWRITE);
|
|
|
|
|
else
|
|
|
|
|
set(STRuser, SAVE(pw->pw_name), VAR_READWRITE);
|
|
|
|
|
if (cln == NULL)
|
|
|
|
|
tsetenv(STRLOGNAME, varval(STRuser));
|
|
|
|
|
if (cus == NULL)
|
|
|
|
|
tsetenv(STRKUSER, varval(STRuser));
|
|
|
|
|
|
|
|
|
|
cgr = getenv("GROUP");
|
|
|
|
|
if (cgr != NULL)
|
|
|
|
|
set(STRgroup, quote(SAVE(cgr)), VAR_READWRITE);
|
|
|
|
|
else if ((gr = getgrgid(gid)) == NULL)
|
|
|
|
|
set(STRgroup, SAVE("unknown"), VAR_READWRITE);
|
|
|
|
|
else
|
|
|
|
|
set(STRgroup, SAVE(gr->gr_name), VAR_READWRITE);
|
|
|
|
|
if (cgr == NULL)
|
|
|
|
|
tsetenv(STRKGROUP, varval(STRgroup));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* HOST may be wrong, since rexd transports the entire environment on sun
|
|
|
|
|
* 3.x Just set it again
|
|
|
|
|
*/
|
|
|
|
|
{
|
|
|
|
|
char cbuff[MAXHOSTNAMELEN];
|
|
|
|
|
|
|
|
|
|
if (gethostname(cbuff, sizeof(cbuff)) >= 0) {
|
|
|
|
|
cbuff[sizeof(cbuff) - 1] = '\0'; /* just in case */
|
|
|
|
|
tsetenv(STRHOST, str2short(cbuff));
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
tsetenv(STRHOST, str2short("unknown"));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef REMOTEHOST
|
|
|
|
|
/*
|
|
|
|
|
* Try to determine the remote host we were logged in from.
|
|
|
|
|
*/
|
|
|
|
|
remotehost();
|
|
|
|
|
#endif /* REMOTEHOST */
|
|
|
|
|
|
|
|
|
|
#ifdef apollo
|
|
|
|
|
if ((tcp = getenv("SYSTYPE")) == NULL)
|
|
|
|
|
tcp = "bsd4.3";
|
|
|
|
|
tsetenv(STRSYSTYPE, quote(str2short(tcp)));
|
|
|
|
|
#endif /* apollo */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* set editing on by default, unless running under Emacs as an inferior
|
|
|
|
|
* shell.
|
|
|
|
|
* We try to do this intelligently. If $TERM is available, then it
|
|
|
|
|
* should determine if we should edit or not. $TERM is preserved
|
|
|
|
|
* across rlogin sessions, so we will not get confused if we rlogin
|
|
|
|
|
* under an emacs shell. Another advantage is that if we run an
|
|
|
|
|
* xterm under an emacs shell, then the $TERM will be set to
|
|
|
|
|
* xterm, so we are going to want to edit. Unfortunately emacs
|
|
|
|
|
* does not restore all the tty modes, so xterm is not very well
|
|
|
|
|
* set up. But this is not the shell's fault.
|
|
|
|
|
* Also don't edit if $TERM == wm, for when we're running under an ATK app.
|
|
|
|
|
* Finally, emacs compiled under terminfo, sets the terminal to dumb,
|
|
|
|
|
* so disable editing for that too.
|
|
|
|
|
*
|
|
|
|
|
* Unfortunately, in some cases the initial $TERM setting is "unknown",
|
|
|
|
|
* "dumb", or "network" which is then changed in the user's startup files.
|
|
|
|
|
* We fix this by setting noediting here if $TERM is unknown/dumb and
|
|
|
|
|
* if noediting is set, we switch on editing if $TERM is changed.
|
|
|
|
|
*/
|
|
|
|
|
if ((tcp = getenv("TERM")) != NULL) {
|
|
|
|
|
set(STRterm, quote(SAVE(tcp)), VAR_READWRITE);
|
|
|
|
|
noediting = strcmp(tcp, "unknown") == 0 || strcmp(tcp, "dumb") == 0 ||
|
|
|
|
|
strcmp(tcp, "network") == 0;
|
|
|
|
|
editing = strcmp(tcp, "emacs") != 0 && strcmp(tcp, "wm") != 0 &&
|
|
|
|
|
!noediting;
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
noediting = 0;
|
|
|
|
|
editing = ((tcp = getenv("EMACS")) == NULL || strcmp(tcp, "t") != 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* The 'edit' variable is either set or unset. It doesn't
|
|
|
|
|
* need a value. Making it 'emacs' might be confusing.
|
|
|
|
|
*/
|
|
|
|
|
if (editing)
|
|
|
|
|
set(STRedit, Strsave(STRNULL), VAR_READWRITE);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* still more mutability: make the complete routine automatically add the
|
|
|
|
|
* suffix of file names...
|
|
|
|
|
*/
|
|
|
|
|
set(STRaddsuffix, Strsave(STRNULL), VAR_READWRITE);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Re-initialize path if set in environment
|
|
|
|
|
*/
|
|
|
|
|
if ((tcp = getenv("PATH")) == NULL)
|
|
|
|
|
#ifdef _PATH_DEFPATH
|
|
|
|
|
importpath(str2short(_PATH_DEFPATH));
|
|
|
|
|
#else /* !_PATH_DEFPATH */
|
|
|
|
|
setq(STRpath, defaultpath(), &shvhed, VAR_READWRITE);
|
|
|
|
|
#endif /* _PATH_DEFPATH */
|
|
|
|
|
else
|
|
|
|
|
/* Importpath() allocates memory for the path, and the
|
|
|
|
|
* returned pointer from SAVE() was discarded, so
|
|
|
|
|
* this was a memory leak.. (sg)
|
|
|
|
|
*
|
|
|
|
|
* importpath(SAVE(tcp));
|
|
|
|
|
*/
|
|
|
|
|
importpath(str2short(tcp));
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
{
|
|
|
|
|
/* If the SHELL environment variable ends with "tcsh", set
|
|
|
|
|
* STRshell to the same path. This is to facilitate using
|
|
|
|
|
* the executable in environments where the compiled-in
|
|
|
|
|
* default isn't appropriate (sg).
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
int sh_len = 0;
|
|
|
|
|
|
|
|
|
|
if ((tcp = getenv("SHELL")) != NULL) {
|
|
|
|
|
sh_len = strlen(tcp);
|
|
|
|
|
if ((sh_len >= 5 && strcmp(tcp + (sh_len - 5), "/tcsh") == 0) ||
|
|
|
|
|
(!tcsh && sh_len >= 4 && strcmp(tcp + (sh_len - 4), "/csh") == 0))
|
|
|
|
|
set(STRshell, quote(SAVE(tcp)), VAR_READWRITE);
|
|
|
|
|
else
|
|
|
|
|
sh_len = 0;
|
|
|
|
|
}
|
|
|
|
|
if (sh_len == 0)
|
|
|
|
|
set(STRshell, Strsave(STR_SHELLPATH), VAR_READWRITE);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifdef COLOR_LS_F
|
|
|
|
|
if ((tcp = getenv("LS_COLORS")) != NULL)
|
|
|
|
|
parseLS_COLORS(str2short(tcp));
|
|
|
|
|
#endif /* COLOR_LS_F */
|
|
|
|
|
|
|
|
|
|
doldol = putn((int) getpid()); /* For $$ */
|
2000-11-30 21:05:33 +00:00
|
|
|
#ifdef WINNT_NATIVE
|
2000-04-15 04:41:27 +00:00
|
|
|
{
|
|
|
|
|
char *strtmp1, strtmp2[MAXPATHLEN];
|
|
|
|
|
if ((strtmp1 = getenv("TMP")) != NULL)
|
|
|
|
|
wsprintf(strtmp2, "%s/%s", strtmp1, "sh");
|
|
|
|
|
shtemp = Strspl(SAVE(strtmp2), doldol); /* For << */
|
|
|
|
|
}
|
2000-11-30 21:05:33 +00:00
|
|
|
#else /* !WINNT_NATIVE */
|
2000-04-15 04:41:27 +00:00
|
|
|
shtemp = Strspl(STRtmpsh, doldol); /* For << */
|
2000-11-30 21:05:33 +00:00
|
|
|
#endif /* WINNT_NATIVE */
|
2000-04-15 04:41:27 +00:00
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Record the interrupt states from the parent process. If the parent is
|
|
|
|
|
* non-interruptible our hand must be forced or we (and our children) won't
|
|
|
|
|
* be either. Our children inherit termination from our parent. We catch it
|
|
|
|
|
* only if we are the login shell.
|
|
|
|
|
*/
|
|
|
|
|
#ifdef BSDSIGS
|
|
|
|
|
/*
|
|
|
|
|
* PURIFY-2 claims that osv does not get
|
|
|
|
|
* initialized after the sigvec call
|
|
|
|
|
*/
|
|
|
|
|
setzero((char*) &osv, sizeof(osv));
|
|
|
|
|
/* parents interruptibility */
|
|
|
|
|
(void) mysigvec(SIGINT, NULL, &osv);
|
|
|
|
|
parintr = (signalfun_t) osv.sv_handler;
|
|
|
|
|
(void) mysigvec(SIGTERM, NULL, &osv);
|
|
|
|
|
parterm = (signalfun_t) osv.sv_handler;
|
|
|
|
|
#else /* BSDSIGS */
|
|
|
|
|
parintr = signal(SIGINT, SIG_IGN); /* parents interruptibility */
|
|
|
|
|
(void) sigset(SIGINT, parintr); /* ... restore */
|
|
|
|
|
|
|
|
|
|
# ifdef COHERENT
|
|
|
|
|
if (loginsh) /* it seems that SIGTERM is always set to SIG_IGN by */
|
|
|
|
|
/* init/getty so it should be set to SIG_DFL - there may be */
|
|
|
|
|
/* a better fix for this. */
|
|
|
|
|
parterm = SIG_DFL;
|
|
|
|
|
else
|
|
|
|
|
# else /* !COHERENT */
|
|
|
|
|
parterm = signal(SIGTERM, SIG_IGN); /* parents terminability */
|
|
|
|
|
# endif /* COHERENT */
|
|
|
|
|
(void) sigset(SIGTERM, parterm); /* ... restore */
|
|
|
|
|
|
|
|
|
|
#endif /* BSDSIGS */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef TCF
|
|
|
|
|
/* Enable process migration on ourselves and our progeny */
|
|
|
|
|
(void) signal(SIGMIGRATE, SIG_DFL);
|
|
|
|
|
#endif /* TCF */
|
|
|
|
|
|
2000-11-30 21:05:33 +00:00
|
|
|
/*
|
|
|
|
|
* dspkanji/dspmbyte autosetting
|
|
|
|
|
*/
|
|
|
|
|
/* PATCH IDEA FROM Issei.Suzuki VERY THANKS */
|
|
|
|
|
#if defined(DSPMBYTE)
|
|
|
|
|
#if defined(NLS) && defined(LC_CTYPE)
|
|
|
|
|
if (((tcp = setlocale(LC_CTYPE, NULL)) != NULL || (tcp = getenv("LANG")) != NULL) && !adrof(CHECK_MBYTEVAR)) {
|
|
|
|
|
#else
|
|
|
|
|
if ((tcp = getenv("LANG")) != NULL && !adrof(CHECK_MBYTEVAR)) {
|
|
|
|
|
#endif
|
|
|
|
|
autoset_dspmbyte(str2short(tcp));
|
|
|
|
|
}
|
|
|
|
|
#if defined(WINNT_NATIVE)
|
|
|
|
|
else if (!adrof(CHECK_MBYTEVAR))
|
|
|
|
|
nt_autoset_dspmbyte();
|
|
|
|
|
#endif /* WINNT_NATIVE */
|
|
|
|
|
#endif
|
|
|
|
|
|
2000-04-15 04:41:27 +00:00
|
|
|
/*
|
|
|
|
|
* Process the arguments.
|
|
|
|
|
*
|
|
|
|
|
* Note that processing of -v/-x is actually delayed till after script
|
|
|
|
|
* processing.
|
|
|
|
|
*
|
|
|
|
|
* We set the first character of our name to be '-' if we are a shell
|
|
|
|
|
* running interruptible commands. Many programs which examine ps'es
|
|
|
|
|
* use this to filter such shells out.
|
|
|
|
|
*/
|
|
|
|
|
argc--, tempv++;
|
|
|
|
|
while (argc > 0 && (tcp = tempv[0])[0] == '-' &&
|
|
|
|
|
*++tcp != '\0' && !batch) {
|
|
|
|
|
do
|
|
|
|
|
switch (*tcp++) {
|
|
|
|
|
|
|
|
|
|
case 0: /* - Interruptible, no prompt */
|
|
|
|
|
prompt = 0;
|
|
|
|
|
setintr = 1;
|
|
|
|
|
nofile = 1;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'b': /* -b Next arg is input file */
|
|
|
|
|
batch = 1;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'c': /* -c Command input from arg */
|
|
|
|
|
if (argc == 1)
|
|
|
|
|
xexit(0);
|
|
|
|
|
argc--, tempv++;
|
|
|
|
|
#ifdef M_XENIX
|
|
|
|
|
/* Xenix Vi bug:
|
|
|
|
|
it relies on a 7 bit environment (/bin/sh), so it
|
|
|
|
|
pass ascii arguments with the 8th bit set */
|
|
|
|
|
if (!strcmp(argv[0], "sh"))
|
|
|
|
|
{
|
|
|
|
|
char *p;
|
|
|
|
|
|
|
|
|
|
for (p = tempv[0]; *p; ++p)
|
|
|
|
|
*p &= ASCII;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
arginp = SAVE(tempv[0]);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* we put the command into a variable
|
|
|
|
|
*/
|
|
|
|
|
if (arginp != NULL)
|
|
|
|
|
set(STRcommand, quote(Strsave(arginp)), VAR_READWRITE);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* * Give an error on -c arguments that end in * backslash to
|
|
|
|
|
* ensure that you don't make * nonportable csh scripts.
|
|
|
|
|
*/
|
|
|
|
|
{
|
|
|
|
|
register int count;
|
|
|
|
|
|
|
|
|
|
cp = arginp + Strlen(arginp);
|
|
|
|
|
count = 0;
|
|
|
|
|
while (cp > arginp && *--cp == '\\')
|
|
|
|
|
++count;
|
|
|
|
|
if ((count & 1) != 0) {
|
|
|
|
|
exiterr = 1;
|
|
|
|
|
stderror(ERR_ARGC);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
prompt = 0;
|
|
|
|
|
nofile = 1;
|
|
|
|
|
break;
|
|
|
|
|
case 'd': /* -d Load directory stack from file */
|
|
|
|
|
rdirs = 1;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
#ifdef apollo
|
|
|
|
|
case 'D': /* -D Define environment variable */
|
|
|
|
|
{
|
|
|
|
|
register Char *dp;
|
|
|
|
|
|
|
|
|
|
cp = str2short(tcp);
|
|
|
|
|
if (dp = Strchr(cp, '=')) {
|
|
|
|
|
*dp++ = '\0';
|
|
|
|
|
tsetenv(cp, dp);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
tsetenv(cp, STRNULL);
|
|
|
|
|
}
|
|
|
|
|
*tcp = '\0'; /* done with this argument */
|
|
|
|
|
break;
|
|
|
|
|
#endif /* apollo */
|
|
|
|
|
|
|
|
|
|
case 'e': /* -e Exit on any error */
|
|
|
|
|
exiterr = 1;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'f': /* -f Fast start */
|
|
|
|
|
fast = 1;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'i': /* -i Interactive, even if !intty */
|
|
|
|
|
intact = 1;
|
|
|
|
|
nofile = 1;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'm': /* -m read .cshrc (from su) */
|
|
|
|
|
mflag = 1;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'n': /* -n Don't execute */
|
|
|
|
|
noexec = 1;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'q': /* -q (Undoc'd) ... die on quit */
|
|
|
|
|
quitit = 1;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 's': /* -s Read from std input */
|
|
|
|
|
nofile = 1;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 't': /* -t Read one line from input */
|
|
|
|
|
onelflg = 2;
|
|
|
|
|
prompt = 0;
|
|
|
|
|
nofile = 1;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'v': /* -v Echo hist expanded input */
|
|
|
|
|
nverbose = 1; /* ... later */
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'x': /* -x Echo just before execution */
|
|
|
|
|
nexececho = 1; /* ... later */
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'V': /* -V Echo hist expanded input */
|
|
|
|
|
setNS(STRverbose); /* NOW! */
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'X': /* -X Echo just before execution */
|
|
|
|
|
setNS(STRecho); /* NOW! */
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'F': /* Undocumented flag */
|
|
|
|
|
/*
|
|
|
|
|
* This will cause children to be created using fork instead of
|
|
|
|
|
* vfork.
|
|
|
|
|
*/
|
|
|
|
|
use_fork = 1;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case ' ':
|
|
|
|
|
case '\t':
|
|
|
|
|
/*
|
|
|
|
|
* for O/S's that don't do the argument parsing right in
|
|
|
|
|
* "#!/foo -f " scripts
|
|
|
|
|
*/
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default: /* Unknown command option */
|
|
|
|
|
exiterr = 1;
|
|
|
|
|
stderror(ERR_TCSHUSAGE, tcp-1, progname);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
} while (*tcp);
|
|
|
|
|
tempv++, argc--;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (quitit) /* With all due haste, for debugging */
|
|
|
|
|
(void) signal(SIGQUIT, SIG_DFL);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Unless prevented by -, -c, -i, -s, or -t, if there are remaining
|
|
|
|
|
* arguments the first of them is the name of a shell file from which to
|
|
|
|
|
* read commands.
|
|
|
|
|
*/
|
|
|
|
|
if (nofile == 0 && argc > 0) {
|
|
|
|
|
nofile = open(tempv[0], O_RDONLY);
|
|
|
|
|
if (nofile < 0) {
|
|
|
|
|
child = 1; /* So this ... */
|
|
|
|
|
/* ... doesn't return */
|
|
|
|
|
stderror(ERR_SYSTEM, tempv[0], strerror(errno));
|
|
|
|
|
}
|
|
|
|
|
if (ffile != NULL)
|
|
|
|
|
xfree((ptr_t) ffile);
|
|
|
|
|
dolzero = 1;
|
|
|
|
|
ffile = SAVE(tempv[0]);
|
|
|
|
|
/*
|
|
|
|
|
* Replace FSHIN. Handle /dev/std{in,out,err} specially
|
|
|
|
|
* since once they are closed we cannot open them again.
|
|
|
|
|
* In that case we use our own saved descriptors
|
|
|
|
|
*/
|
|
|
|
|
if ((SHIN = dmove(nofile, FSHIN)) < 0)
|
|
|
|
|
switch(nofile) {
|
|
|
|
|
case 0:
|
|
|
|
|
SHIN = FSHIN;
|
|
|
|
|
break;
|
|
|
|
|
case 1:
|
|
|
|
|
SHIN = FSHOUT;
|
|
|
|
|
break;
|
|
|
|
|
case 2:
|
|
|
|
|
SHIN = FSHDIAG;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
stderror(ERR_SYSTEM, tempv[0], strerror(errno));
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
(void) close_on_exec(SHIN, 1);
|
|
|
|
|
prompt = 0;
|
|
|
|
|
/* argc not used any more */ tempv++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Consider input a tty if it really is or we are interactive. but not for
|
|
|
|
|
* editing (christos)
|
|
|
|
|
*/
|
|
|
|
|
if (!(intty = isatty(SHIN))) {
|
|
|
|
|
if (adrof(STRedit))
|
|
|
|
|
unsetv(STRedit);
|
|
|
|
|
editing = 0;
|
|
|
|
|
}
|
|
|
|
|
intty |= intact;
|
|
|
|
|
#ifndef convex
|
|
|
|
|
if (intty || (intact && isatty(SHOUT))) {
|
|
|
|
|
if (!batch && (uid != euid || gid != egid)) {
|
|
|
|
|
errno = EACCES;
|
|
|
|
|
child = 1; /* So this ... */
|
|
|
|
|
/* ... doesn't return */
|
|
|
|
|
stderror(ERR_SYSTEM, progname, strerror(errno));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif /* convex */
|
|
|
|
|
isoutatty = isatty(SHOUT);
|
|
|
|
|
isdiagatty = isatty(SHDIAG);
|
|
|
|
|
/*
|
|
|
|
|
* Decide whether we should play with signals or not. If we are explicitly
|
|
|
|
|
* told (via -i, or -) or we are a login shell (arg0 starts with -) or the
|
|
|
|
|
* input and output are both the ttys("csh", or "csh</dev/ttyx>/dev/ttyx")
|
|
|
|
|
* Note that in only the login shell is it likely that parent may have set
|
|
|
|
|
* signals to be ignored
|
|
|
|
|
*/
|
|
|
|
|
if (loginsh || intact || (intty && isatty(SHOUT)))
|
|
|
|
|
setintr = 1;
|
|
|
|
|
settell();
|
|
|
|
|
/*
|
|
|
|
|
* Save the remaining arguments in argv.
|
|
|
|
|
*/
|
|
|
|
|
setq(STRargv, blk2short(tempv), &shvhed, VAR_READWRITE);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Set up the prompt.
|
|
|
|
|
*/
|
|
|
|
|
if (prompt) {
|
|
|
|
|
if (tcsh)
|
|
|
|
|
set(STRprompt, Strsave(STRdeftcshprompt), VAR_READWRITE);
|
|
|
|
|
else
|
|
|
|
|
set(STRprompt, Strsave(STRdefcshprompt), VAR_READWRITE);
|
|
|
|
|
/* that's a meta-questionmark */
|
|
|
|
|
set(STRprompt2, Strsave(STRmquestion), VAR_READWRITE);
|
|
|
|
|
set(STRprompt3, Strsave(STRKCORRECT), VAR_READWRITE);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* If we are an interactive shell, then start fiddling with the signals;
|
|
|
|
|
* this is a tricky game.
|
|
|
|
|
*/
|
|
|
|
|
shpgrp = mygetpgrp();
|
|
|
|
|
opgrp = tpgrp = -1;
|
|
|
|
|
if (setintr) {
|
|
|
|
|
signalfun_t osig;
|
|
|
|
|
**argv = '-';
|
|
|
|
|
if (!quitit) /* Wary! */
|
|
|
|
|
(void) signal(SIGQUIT, SIG_IGN);
|
|
|
|
|
(void) sigset(SIGINT, pintr);
|
|
|
|
|
(void) sighold(SIGINT);
|
|
|
|
|
(void) signal(SIGTERM, SIG_IGN);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* No reason I can see not to save history on all these events..
|
|
|
|
|
* Most usual occurrence is in a window system, where we're not a login
|
|
|
|
|
* shell, but might as well be... (sg)
|
|
|
|
|
* But there might be races when lots of shells exit together...
|
|
|
|
|
* [this is also incompatible].
|
|
|
|
|
* We have to be mre careful here. If the parent wants to
|
|
|
|
|
* ignore the signals then we leave them untouched...
|
|
|
|
|
* We also only setup the handlers for shells that are trully
|
|
|
|
|
* interactive.
|
|
|
|
|
*/
|
|
|
|
|
osig = signal(SIGHUP, phup); /* exit processing on HUP */
|
|
|
|
|
if (!loginsh && osig == SIG_IGN)
|
|
|
|
|
(void) signal(SIGHUP, osig);
|
|
|
|
|
#ifdef SIGXCPU
|
|
|
|
|
osig = signal(SIGXCPU, phup); /* exit processing on XCPU */
|
|
|
|
|
if (!loginsh && osig == SIG_IGN)
|
|
|
|
|
(void) signal(SIGXCPU, osig);
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef SIGXFSZ
|
|
|
|
|
osig = signal(SIGXFSZ, phup); /* exit processing on XFSZ */
|
|
|
|
|
if (!loginsh && osig == SIG_IGN)
|
|
|
|
|
(void) signal(SIGXFSZ, osig);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
if (quitit == 0 && arginp == 0) {
|
|
|
|
|
#ifdef SIGTSTP
|
|
|
|
|
(void) signal(SIGTSTP, SIG_IGN);
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef SIGTTIN
|
|
|
|
|
(void) signal(SIGTTIN, SIG_IGN);
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef SIGTTOU
|
|
|
|
|
(void) signal(SIGTTOU, SIG_IGN);
|
|
|
|
|
#endif
|
|
|
|
|
/*
|
|
|
|
|
* Wait till in foreground, in case someone stupidly runs csh &
|
|
|
|
|
* dont want to try to grab away the tty.
|
|
|
|
|
*/
|
|
|
|
|
if (isatty(FSHDIAG))
|
|
|
|
|
f = FSHDIAG;
|
|
|
|
|
else if (isatty(FSHOUT))
|
|
|
|
|
f = FSHOUT;
|
|
|
|
|
else if (isatty(OLDSTD))
|
|
|
|
|
f = OLDSTD;
|
|
|
|
|
else
|
|
|
|
|
f = -1;
|
|
|
|
|
|
|
|
|
|
#ifdef NeXT
|
|
|
|
|
/* NeXT 2.0 /usr/etc/rlogind, does not set our process group! */
|
|
|
|
|
if (shpgrp == 0) {
|
|
|
|
|
shpgrp = getpid();
|
|
|
|
|
(void) setpgid(0, shpgrp);
|
|
|
|
|
(void) tcsetpgrp(f, shpgrp);
|
|
|
|
|
}
|
|
|
|
|
#endif /* NeXT */
|
|
|
|
|
#ifdef BSDJOBS /* if we have tty job control */
|
|
|
|
|
retry:
|
|
|
|
|
if ((tpgrp = tcgetpgrp(f)) != -1) {
|
|
|
|
|
if (tpgrp != shpgrp) {
|
|
|
|
|
signalfun_t old = signal(SIGTTIN, SIG_DFL);
|
|
|
|
|
(void) kill(0, SIGTTIN);
|
|
|
|
|
(void) signal(SIGTTIN, old);
|
|
|
|
|
goto retry;
|
|
|
|
|
}
|
|
|
|
|
/*
|
|
|
|
|
* Thanks to Matt Day for the POSIX references, and to
|
|
|
|
|
* Paul Close for the SGI clarification.
|
|
|
|
|
*/
|
|
|
|
|
if (setdisc(f) != -1) {
|
|
|
|
|
opgrp = shpgrp;
|
|
|
|
|
shpgrp = getpid();
|
|
|
|
|
tpgrp = shpgrp;
|
|
|
|
|
if (tcsetpgrp(f, shpgrp) == -1) {
|
|
|
|
|
/*
|
|
|
|
|
* On hpux 7.03 this fails with EPERM. This happens on
|
|
|
|
|
* the 800 when opgrp != shpgrp at this point. (we were
|
|
|
|
|
* forked from a non job control shell)
|
|
|
|
|
* POSIX 7.2.4, says we failed because the process
|
|
|
|
|
* group specified did not belong to a process
|
|
|
|
|
* in the same session with the tty. So we set our
|
|
|
|
|
* process group and try again.
|
|
|
|
|
*/
|
|
|
|
|
if (setpgid(0, shpgrp) == -1) {
|
|
|
|
|
xprintf("setpgid:");
|
|
|
|
|
goto notty;
|
|
|
|
|
}
|
|
|
|
|
if (tcsetpgrp(f, shpgrp) == -1) {
|
|
|
|
|
xprintf("tcsetpgrp:");
|
|
|
|
|
goto notty;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
/*
|
|
|
|
|
* We check the process group now. If it is the same, then
|
|
|
|
|
* we don't need to set it again. On hpux 7.0 on the 300's
|
|
|
|
|
* if we set it again it fails with EPERM. This is the
|
|
|
|
|
* correct behavior according to POSIX 4.3.3 if the process
|
|
|
|
|
* was a session leader .
|
|
|
|
|
*/
|
|
|
|
|
else if (shpgrp != mygetpgrp()) {
|
|
|
|
|
if(setpgid(0, shpgrp) == -1) {
|
|
|
|
|
xprintf("setpgid:");
|
|
|
|
|
goto notty;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#ifdef IRIS4D
|
|
|
|
|
/*
|
|
|
|
|
* But on irix 3.3 we need to set it again, even if it is
|
|
|
|
|
* the same. We do that to tell the system that we
|
|
|
|
|
* need BSD process group compatibility.
|
|
|
|
|
*/
|
|
|
|
|
else
|
|
|
|
|
(void) setpgid(0, shpgrp);
|
|
|
|
|
#endif
|
|
|
|
|
(void) close_on_exec(dcopy(f, FSHTTY), 1);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
tpgrp = -1;
|
|
|
|
|
}
|
|
|
|
|
if (tpgrp == -1) {
|
|
|
|
|
notty:
|
|
|
|
|
xprintf(CGETS(11, 1, "Warning: no access to tty (%s).\n"),
|
|
|
|
|
strerror(errno));
|
|
|
|
|
xprintf(CGETS(11, 2, "Thus no job control in this shell.\n"));
|
|
|
|
|
/*
|
|
|
|
|
* Fix from:Sakari Jalovaara <sja@sirius.hut.fi> if we don't
|
|
|
|
|
* have access to tty, disable editing too
|
|
|
|
|
*/
|
|
|
|
|
if (adrof(STRedit))
|
|
|
|
|
unsetv(STRedit);
|
|
|
|
|
editing = 0;
|
|
|
|
|
}
|
|
|
|
|
#else /* BSDJOBS */ /* don't have job control, so frotz it */
|
|
|
|
|
tpgrp = -1;
|
|
|
|
|
#endif /* BSDJOBS */
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if ((setintr == 0) && (parintr == SIG_DFL))
|
|
|
|
|
setintr = 1;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* SVR4 doesn't send a SIGCHLD when a child is stopped or continued if the
|
|
|
|
|
* handler is installed with signal(2) or sigset(2). sigaction(2) must
|
|
|
|
|
* be used instead.
|
|
|
|
|
*
|
|
|
|
|
* David Dawes (dawes@physics.su.oz.au) Sept 1991
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#if SYSVREL > 3
|
|
|
|
|
{
|
|
|
|
|
struct sigaction act;
|
|
|
|
|
act.sa_handler=pchild;
|
|
|
|
|
(void) sigemptyset(&(act.sa_mask)); /* Don't block any extra sigs
|
|
|
|
|
* when the handler is called
|
|
|
|
|
*/
|
|
|
|
|
act.sa_flags=0; /* want behaviour of sigset() without
|
|
|
|
|
* SA_NOCLDSTOP
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
if ((sigaction(SIGCHLD,&act,(struct sigaction *)NULL)) == -1)
|
|
|
|
|
stderror(ERR_SYSTEM, "sigaction", strerror(errno));
|
|
|
|
|
}
|
|
|
|
|
#else /* SYSVREL <= 3 */
|
|
|
|
|
(void) sigset(SIGCHLD, pchild); /* while signals not ready */
|
|
|
|
|
#endif /* SYSVREL <= 3 */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (intty && !arginp)
|
|
|
|
|
(void) ed_Setup(editing);/* Get the tty state, and set defaults */
|
|
|
|
|
/* Only alter the tty state if editing */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Set an exit here in case of an interrupt or error reading the shell
|
|
|
|
|
* start-up scripts.
|
|
|
|
|
*/
|
|
|
|
|
reenter = setexit(); /* PWP */
|
2000-11-30 21:05:33 +00:00
|
|
|
exitset++;
|
2000-04-15 04:41:27 +00:00
|
|
|
haderr = 0; /* In case second time through */
|
|
|
|
|
if (!fast && reenter == 0) {
|
|
|
|
|
/* Will have varval(STRhome) here because set fast if don't */
|
|
|
|
|
{
|
|
|
|
|
int osetintr = setintr;
|
|
|
|
|
signalfun_t oparintr = parintr;
|
|
|
|
|
|
|
|
|
|
#ifdef BSDSIGS
|
|
|
|
|
sigmask_t omask = sigblock(sigmask(SIGINT));
|
|
|
|
|
#else
|
|
|
|
|
(void) sighold(SIGINT);
|
|
|
|
|
#endif
|
|
|
|
|
setintr = 0;
|
|
|
|
|
parintr = SIG_IGN; /* onintr in /etc/ files has no effect */
|
|
|
|
|
#ifdef LOGINFIRST
|
|
|
|
|
#ifdef _PATH_DOTLOGIN
|
|
|
|
|
if (loginsh)
|
|
|
|
|
(void) srcfile(_PATH_DOTLOGIN, 0, 0, NULL);
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef _PATH_DOTCSHRC
|
|
|
|
|
(void) srcfile(_PATH_DOTCSHRC, 0, 0, NULL);
|
|
|
|
|
#endif
|
|
|
|
|
if (!arginp && !onelflg && !havhash)
|
|
|
|
|
dohash(NULL,NULL);
|
|
|
|
|
#ifndef LOGINFIRST
|
|
|
|
|
#ifdef _PATH_DOTLOGIN
|
|
|
|
|
if (loginsh)
|
|
|
|
|
(void) srcfile(_PATH_DOTLOGIN, 0, 0, NULL);
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef BSDSIGS
|
|
|
|
|
(void) sigsetmask(omask);
|
|
|
|
|
#else
|
|
|
|
|
(void) sigrelse(SIGINT);
|
|
|
|
|
#endif
|
|
|
|
|
setintr = osetintr;
|
|
|
|
|
parintr = oparintr;
|
|
|
|
|
}
|
|
|
|
|
#ifdef LOGINFIRST
|
|
|
|
|
if (loginsh)
|
|
|
|
|
(void) srccat(varval(STRhome), STRsldotlogin);
|
|
|
|
|
#endif
|
|
|
|
|
/* upward compat. */
|
|
|
|
|
if (!srccat(varval(STRhome), STRsldottcshrc))
|
|
|
|
|
(void) srccat(varval(STRhome), STRsldotcshrc);
|
|
|
|
|
|
|
|
|
|
if (!fast && !arginp && !onelflg && !havhash)
|
|
|
|
|
dohash(NULL,NULL);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Source history before .login so that it is available in .login
|
|
|
|
|
*/
|
|
|
|
|
loadhist(NULL, 0);
|
|
|
|
|
#ifndef LOGINFIRST
|
|
|
|
|
if (loginsh)
|
|
|
|
|
(void) srccat(varval(STRhome), STRsldotlogin);
|
|
|
|
|
#endif
|
|
|
|
|
if (!fast && (loginsh || rdirs))
|
|
|
|
|
loaddirs(NULL);
|
|
|
|
|
}
|
|
|
|
|
/* Initing AFTER .cshrc is the Right Way */
|
|
|
|
|
if (intty && !arginp) { /* PWP setup stuff */
|
|
|
|
|
ed_Init(); /* init the new line editor */
|
|
|
|
|
#ifdef SIG_WINDOW
|
|
|
|
|
check_window_size(1); /* mung environment */
|
|
|
|
|
#endif /* SIG_WINDOW */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Now are ready for the -v and -x flags
|
|
|
|
|
*/
|
|
|
|
|
if (nverbose)
|
|
|
|
|
setNS(STRverbose);
|
|
|
|
|
if (nexececho)
|
|
|
|
|
setNS(STRecho);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* All the rest of the world is inside this call. The argument to process
|
|
|
|
|
* indicates whether it should catch "error unwinds". Thus if we are a
|
|
|
|
|
* interactive shell our call here will never return by being blown past on
|
|
|
|
|
* an error.
|
|
|
|
|
*/
|
|
|
|
|
process(setintr);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Mop-up.
|
|
|
|
|
*/
|
|
|
|
|
if (intty) {
|
|
|
|
|
if (loginsh) {
|
|
|
|
|
xprintf("logout\n");
|
|
|
|
|
(void) close(SHIN);
|
|
|
|
|
child = 1;
|
|
|
|
|
#ifdef TESLA
|
|
|
|
|
do_logout = 1;
|
|
|
|
|
#endif /* TESLA */
|
|
|
|
|
goodbye(NULL, NULL);
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
xprintf("exit\n");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
record();
|
|
|
|
|
exitstat();
|
|
|
|
|
return (0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
untty()
|
|
|
|
|
{
|
|
|
|
|
#ifdef BSDJOBS
|
|
|
|
|
if (tpgrp > 0 && opgrp != shpgrp) {
|
|
|
|
|
(void) setpgid(0, opgrp);
|
|
|
|
|
(void) tcsetpgrp(FSHTTY, opgrp);
|
|
|
|
|
(void) resetdisc(FSHTTY);
|
|
|
|
|
}
|
|
|
|
|
#endif /* BSDJOBS */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
importpath(cp)
|
|
|
|
|
Char *cp;
|
|
|
|
|
{
|
|
|
|
|
register int i = 0;
|
|
|
|
|
register Char *dp;
|
|
|
|
|
register Char **pv;
|
|
|
|
|
int c;
|
|
|
|
|
|
|
|
|
|
for (dp = cp; *dp; dp++)
|
|
|
|
|
if (*dp == PATHSEP)
|
|
|
|
|
i++;
|
|
|
|
|
/*
|
|
|
|
|
* i+2 where i is the number of colons in the path. There are i+1
|
|
|
|
|
* directories in the path plus we need room for a zero terminator.
|
|
|
|
|
*/
|
|
|
|
|
pv = (Char **) xcalloc((size_t) (i + 2), sizeof(Char *));
|
|
|
|
|
dp = cp;
|
|
|
|
|
i = 0;
|
|
|
|
|
if (*dp)
|
|
|
|
|
for (;;) {
|
|
|
|
|
if ((c = *dp) == PATHSEP || c == 0) {
|
|
|
|
|
*dp = 0;
|
|
|
|
|
pv[i++] = Strsave(*cp ? cp : STRdot);
|
|
|
|
|
if (c) {
|
|
|
|
|
cp = dp + 1;
|
|
|
|
|
*dp = PATHSEP;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
break;
|
|
|
|
|
}
|
2000-11-30 21:05:33 +00:00
|
|
|
#ifdef WINNT_NATIVE
|
2000-04-15 04:41:27 +00:00
|
|
|
else if (*dp == '\\')
|
|
|
|
|
*dp = '/';
|
2000-11-30 21:05:33 +00:00
|
|
|
#endif /* WINNT_NATIVE */
|
2000-04-15 04:41:27 +00:00
|
|
|
dp++;
|
|
|
|
|
}
|
|
|
|
|
pv[i] = 0;
|
|
|
|
|
setq(STRpath, pv, &shvhed, VAR_READWRITE);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Source to the file which is the catenation of the argument names.
|
|
|
|
|
*/
|
|
|
|
|
static int
|
|
|
|
|
srccat(cp, dp)
|
|
|
|
|
Char *cp, *dp;
|
|
|
|
|
{
|
|
|
|
|
if (cp[0] == '/' && cp[1] == '\0')
|
|
|
|
|
return srcfile(short2str(dp), (mflag ? 0 : 1), 0, NULL);
|
|
|
|
|
else {
|
|
|
|
|
register Char *ep;
|
|
|
|
|
char *ptr;
|
|
|
|
|
int rv;
|
|
|
|
|
|
2000-11-30 21:05:33 +00:00
|
|
|
#ifdef WINNT_NATIVE
|
2000-04-15 04:41:27 +00:00
|
|
|
ep = cp;
|
|
|
|
|
while(*ep)
|
|
|
|
|
ep++;
|
|
|
|
|
if (ep[-1] == '/' && dp[0] == '/') /* silly win95 */
|
|
|
|
|
dp++;
|
2000-11-30 21:05:33 +00:00
|
|
|
#endif /* WINNT_NATIVE */
|
2000-04-15 04:41:27 +00:00
|
|
|
|
|
|
|
|
ep = Strspl(cp, dp);
|
|
|
|
|
ptr = short2str(ep);
|
|
|
|
|
|
|
|
|
|
rv = srcfile(ptr, (mflag ? 0 : 1), 0, NULL);
|
|
|
|
|
xfree((ptr_t) ep);
|
|
|
|
|
return rv;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Source to a file putting the file descriptor in a safe place (> 2).
|
|
|
|
|
*/
|
|
|
|
|
static int
|
|
|
|
|
srcfile(f, onlyown, flag, av)
|
|
|
|
|
char *f;
|
|
|
|
|
bool onlyown;
|
|
|
|
|
int flag;
|
|
|
|
|
Char **av;
|
|
|
|
|
{
|
|
|
|
|
register int unit;
|
|
|
|
|
|
|
|
|
|
if ((unit = open(f, O_RDONLY)) == -1)
|
|
|
|
|
return 0;
|
|
|
|
|
unit = dmove(unit, -1);
|
|
|
|
|
|
|
|
|
|
(void) close_on_exec(unit, 1);
|
|
|
|
|
srcunit(unit, onlyown, flag, av);
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Save the shell state, and establish new argument vector, and new input
|
|
|
|
|
* fd.
|
|
|
|
|
*/
|
|
|
|
|
static void
|
|
|
|
|
st_save(st, unit, hflg, al, av)
|
|
|
|
|
struct saved_state *st;
|
|
|
|
|
int unit, hflg;
|
|
|
|
|
Char **al, **av;
|
|
|
|
|
{
|
|
|
|
|
st->insource = insource;
|
|
|
|
|
st->SHIN = SHIN;
|
|
|
|
|
st->intty = intty;
|
|
|
|
|
st->whyles = whyles;
|
|
|
|
|
st->gointr = gointr;
|
|
|
|
|
st->arginp = arginp;
|
|
|
|
|
st->evalp = evalp;
|
|
|
|
|
st->evalvec = evalvec;
|
|
|
|
|
st->alvecp = alvecp;
|
|
|
|
|
st->alvec = alvec;
|
|
|
|
|
st->onelflg = onelflg;
|
|
|
|
|
st->enterhist = enterhist;
|
|
|
|
|
if (hflg)
|
|
|
|
|
st->HIST = HIST;
|
|
|
|
|
else
|
|
|
|
|
st->HIST = '\0';
|
|
|
|
|
st->cantell = cantell;
|
|
|
|
|
cpybin(st->B, B);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* we can now pass arguments to source.
|
|
|
|
|
* For compatibility we do that only if arguments were really
|
|
|
|
|
* passed, otherwise we keep the old, global $argv like before.
|
|
|
|
|
*/
|
|
|
|
|
if (av != NULL && *av != NULL) {
|
|
|
|
|
struct varent *vp;
|
|
|
|
|
if ((vp = adrof(STRargv)) != NULL)
|
|
|
|
|
st->argv = saveblk(vp->vec);
|
|
|
|
|
else
|
|
|
|
|
st->argv = NULL;
|
|
|
|
|
setq(STRargv, saveblk(av), &shvhed, VAR_READWRITE);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
st->argv = NULL;
|
|
|
|
|
|
|
|
|
|
SHIN = unit; /* Do this first */
|
|
|
|
|
|
|
|
|
|
/* Establish new input arena */
|
|
|
|
|
{
|
|
|
|
|
fbuf = NULL;
|
|
|
|
|
fseekp = feobp = fblocks = 0;
|
|
|
|
|
settell();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
arginp = 0;
|
|
|
|
|
onelflg = 0;
|
|
|
|
|
intty = isatty(SHIN);
|
|
|
|
|
whyles = 0;
|
|
|
|
|
gointr = 0;
|
|
|
|
|
evalvec = 0;
|
|
|
|
|
evalp = 0;
|
|
|
|
|
alvec = al;
|
|
|
|
|
alvecp = 0;
|
|
|
|
|
enterhist = hflg;
|
|
|
|
|
if (enterhist)
|
|
|
|
|
HIST = '\0';
|
|
|
|
|
insource = 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Restore the shell to a saved state
|
|
|
|
|
*/
|
|
|
|
|
static void
|
|
|
|
|
st_restore(st, av)
|
|
|
|
|
struct saved_state *st;
|
|
|
|
|
Char **av;
|
|
|
|
|
{
|
|
|
|
|
if (st->SHIN == -1)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
/* Reset input arena */
|
|
|
|
|
{
|
|
|
|
|
register int i;
|
|
|
|
|
register Char** nfbuf = fbuf;
|
|
|
|
|
register int nfblocks = fblocks;
|
|
|
|
|
|
|
|
|
|
fblocks = 0;
|
|
|
|
|
fbuf = NULL;
|
|
|
|
|
for (i = 0; i < nfblocks; i++)
|
|
|
|
|
xfree((ptr_t) nfbuf[i]);
|
|
|
|
|
xfree((ptr_t) nfbuf);
|
|
|
|
|
}
|
|
|
|
|
cpybin(B, st->B);
|
|
|
|
|
|
|
|
|
|
(void) close(SHIN);
|
|
|
|
|
|
|
|
|
|
insource = st->insource;
|
|
|
|
|
SHIN = st->SHIN;
|
|
|
|
|
arginp = st->arginp;
|
|
|
|
|
onelflg = st->onelflg;
|
|
|
|
|
evalp = st->evalp;
|
|
|
|
|
evalvec = st->evalvec;
|
|
|
|
|
alvecp = st->alvecp;
|
|
|
|
|
alvec = st->alvec;
|
|
|
|
|
intty = st->intty;
|
|
|
|
|
whyles = st->whyles;
|
|
|
|
|
gointr = st->gointr;
|
|
|
|
|
if (st->HIST != '\0')
|
|
|
|
|
HIST = st->HIST;
|
|
|
|
|
enterhist = st->enterhist;
|
|
|
|
|
cantell = st->cantell;
|
|
|
|
|
|
|
|
|
|
if (st->argv != NULL)
|
|
|
|
|
setq(STRargv, st->argv, &shvhed, VAR_READWRITE);
|
|
|
|
|
else if (av != NULL && *av != NULL && adrof(STRargv) != NULL)
|
|
|
|
|
unsetv(STRargv);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Source to a unit. If onlyown it must be our file or our group or
|
|
|
|
|
* we don't chance it. This occurs on ".cshrc"s and the like.
|
|
|
|
|
*/
|
|
|
|
|
static void
|
|
|
|
|
srcunit(unit, onlyown, hflg, av)
|
|
|
|
|
register int unit;
|
|
|
|
|
bool onlyown;
|
|
|
|
|
int hflg;
|
|
|
|
|
Char **av;
|
|
|
|
|
{
|
|
|
|
|
struct saved_state st;
|
|
|
|
|
st.SHIN = -1; /* st_restore checks this */
|
|
|
|
|
|
|
|
|
|
if (unit < 0)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
if (didfds)
|
|
|
|
|
donefds();
|
|
|
|
|
|
|
|
|
|
if (onlyown) {
|
|
|
|
|
struct stat stb;
|
|
|
|
|
|
|
|
|
|
if (fstat(unit, &stb) < 0) {
|
|
|
|
|
(void) close(unit);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
getexit(st.oldexit);
|
|
|
|
|
|
|
|
|
|
if (setintr)
|
|
|
|
|
#ifdef BSDSIGS
|
|
|
|
|
st.mask = sigblock(sigmask(SIGINT));
|
|
|
|
|
#else
|
|
|
|
|
(void) sighold(SIGINT);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* Save the current state and move us to a new state */
|
|
|
|
|
st_save(&st, unit, hflg, NULL, av);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Now if we are allowing commands to be interrupted, we let ourselves be
|
|
|
|
|
* interrupted.
|
|
|
|
|
*/
|
|
|
|
|
if (setintr)
|
|
|
|
|
#ifdef BSDSIGS
|
|
|
|
|
(void) sigsetmask(st.mask);
|
|
|
|
|
#else
|
|
|
|
|
(void) sigrelse(SIGINT);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Bugfix for running out of memory by: Jak Kirman
|
|
|
|
|
* <jak%cs.brown.edu@RELAY.CS.NET>. Solution: pay attention to what
|
|
|
|
|
* setexit() is returning because reenter _may_ be in a register, and
|
|
|
|
|
* thus restored to 0 on a longjump(). (PWP: insert flames about
|
|
|
|
|
* compiler-dependant code here) PWP: THANKS LOTS !!!
|
|
|
|
|
*
|
|
|
|
|
* PWP: think of this as like a LISP (unwind-protect ...)
|
|
|
|
|
* thanks to Diana Smetters for pointing out how this _should_ be written
|
|
|
|
|
*/
|
|
|
|
|
#ifdef cray
|
|
|
|
|
st.reenter = 1; /* assume non-zero return val */
|
|
|
|
|
if (setexit() == 0) {
|
|
|
|
|
st.reenter = 0; /* Oh well, we were wrong */
|
|
|
|
|
#else
|
|
|
|
|
if ((st.reenter = setexit()) == 0) {
|
|
|
|
|
#endif
|
|
|
|
|
process(0); /* 0 -> blow away on errors */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (setintr)
|
|
|
|
|
#ifdef BSDSIGS
|
|
|
|
|
(void) sigsetmask(st.mask);
|
|
|
|
|
#else
|
|
|
|
|
(void) sigrelse(SIGINT);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* Restore the old state */
|
|
|
|
|
st_restore(&st, av);
|
|
|
|
|
resexit(st.oldexit);
|
|
|
|
|
/*
|
|
|
|
|
* If process reset() (effectively an unwind) then we must also unwind.
|
|
|
|
|
*/
|
|
|
|
|
if (st.reenter)
|
|
|
|
|
stderror(ERR_SILENT);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*ARGSUSED*/
|
|
|
|
|
void
|
|
|
|
|
goodbye(v, c)
|
|
|
|
|
Char **v;
|
|
|
|
|
struct command *c;
|
|
|
|
|
{
|
|
|
|
|
USE(c);
|
|
|
|
|
record();
|
|
|
|
|
|
|
|
|
|
if (loginsh) {
|
|
|
|
|
(void) sigset(SIGQUIT, SIG_IGN);
|
|
|
|
|
(void) sigset(SIGINT, SIG_IGN);
|
|
|
|
|
(void) sigset(SIGTERM, SIG_IGN);
|
|
|
|
|
(void) sigset(SIGHUP, SIG_IGN);
|
|
|
|
|
setintr = 0; /* No interrupts after "logout" */
|
|
|
|
|
/* Trap errors inside .logout */
|
|
|
|
|
reenter = setexit();
|
|
|
|
|
if (reenter != 0)
|
|
|
|
|
exitstat();
|
|
|
|
|
if (!(adrof(STRlogout)))
|
|
|
|
|
set(STRlogout, Strsave(STRnormal), VAR_READWRITE);
|
|
|
|
|
#ifdef _PATH_DOTLOGOUT
|
|
|
|
|
(void) srcfile(_PATH_DOTLOGOUT, 0, 0, NULL);
|
|
|
|
|
#endif
|
|
|
|
|
if (adrof(STRhome))
|
|
|
|
|
(void) srccat(varval(STRhome), STRsldtlogout);
|
|
|
|
|
#ifdef TESLA
|
|
|
|
|
do_logout = 1;
|
|
|
|
|
#endif /* TESLA */
|
|
|
|
|
}
|
|
|
|
|
exitstat();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
exitstat()
|
|
|
|
|
{
|
|
|
|
|
#ifdef PROF
|
|
|
|
|
monitor(0);
|
|
|
|
|
#endif
|
|
|
|
|
/*
|
|
|
|
|
* Note that if STATUS is corrupted (i.e. getn bombs) then error will exit
|
|
|
|
|
* directly because we poke child here. Otherwise we might continue
|
|
|
|
|
* unwarrantedly (sic).
|
|
|
|
|
*/
|
|
|
|
|
child = 1;
|
|
|
|
|
|
|
|
|
|
xexit(getn(varval(STRstatus)));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* in the event of a HUP we want to save the history
|
|
|
|
|
*/
|
|
|
|
|
static sigret_t
|
|
|
|
|
phup(snum)
|
|
|
|
|
int snum;
|
|
|
|
|
{
|
|
|
|
|
/*
|
|
|
|
|
* There is no return from here,
|
|
|
|
|
* so we are not going to release SIGHUP
|
|
|
|
|
* anymore
|
|
|
|
|
*/
|
|
|
|
|
#ifdef UNRELSIGS
|
|
|
|
|
if (snum)
|
|
|
|
|
(void) sigset(snum, SIG_IGN);
|
|
|
|
|
#else
|
|
|
|
|
# ifdef BSDSIGS
|
|
|
|
|
(void) sigblock(sigmask(SIGHUP));
|
|
|
|
|
# else
|
|
|
|
|
(void) sighold(SIGHUP);
|
|
|
|
|
# endif /* BSDSIGS */
|
|
|
|
|
#endif /* UNRELSIGS */
|
|
|
|
|
|
|
|
|
|
if (loginsh) {
|
|
|
|
|
set(STRlogout, Strsave(STRhangup), VAR_READWRITE);
|
|
|
|
|
#ifdef _PATH_DOTLOGOUT
|
|
|
|
|
(void) srcfile(_PATH_DOTLOGOUT, 0, 0, NULL);
|
|
|
|
|
#endif
|
|
|
|
|
if (adrof(STRhome))
|
|
|
|
|
(void) srccat(varval(STRhome), STRsldtlogout);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
record();
|
|
|
|
|
|
|
|
|
|
#ifdef POSIXJOBS
|
|
|
|
|
/*
|
|
|
|
|
* We kill the last foreground process group. It then becomes
|
|
|
|
|
* responsible to propagate the SIGHUP to its progeny.
|
|
|
|
|
*/
|
|
|
|
|
{
|
|
|
|
|
struct process *pp, *np;
|
|
|
|
|
|
|
|
|
|
for (pp = proclist.p_next; pp; pp = pp->p_next) {
|
|
|
|
|
np = pp;
|
|
|
|
|
/*
|
|
|
|
|
* Find if this job is in the foreground. It could be that
|
|
|
|
|
* the process leader has exited and the foreground flag
|
|
|
|
|
* is cleared for it.
|
|
|
|
|
*/
|
|
|
|
|
do
|
|
|
|
|
/*
|
|
|
|
|
* If a process is in the foreground we try to kill
|
|
|
|
|
* it's process group. If we succeed, then the
|
|
|
|
|
* whole job is gone. Otherwise we keep going...
|
|
|
|
|
* But avoid sending HUP to the shell again.
|
|
|
|
|
*/
|
|
|
|
|
if (((np->p_flags & PFOREGND) != 0) && np->p_jobid != shpgrp) {
|
|
|
|
|
np->p_flags &= ~PHUP;
|
|
|
|
|
if (killpg(np->p_jobid, SIGHUP) != -1) {
|
|
|
|
|
/* In case the job was suspended... */
|
|
|
|
|
#ifdef SIGCONT
|
|
|
|
|
(void) killpg(np->p_jobid, SIGCONT);
|
|
|
|
|
#endif
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
while ((np = np->p_friends) != pp);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif /* POSIXJOBS */
|
|
|
|
|
|
|
|
|
|
xexit(snum);
|
|
|
|
|
#ifndef SIGVOID
|
|
|
|
|
return (snum);
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static Char *jobargv[2] = {STRjobs, 0};
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Catch an interrupt, e.g. during lexical input.
|
|
|
|
|
* If we are an interactive shell, we reset the interrupt catch
|
|
|
|
|
* immediately. In any case we drain the shell output,
|
|
|
|
|
* and finally go through the normal error mechanism, which
|
|
|
|
|
* gets a chance to make the shell go away.
|
|
|
|
|
*/
|
|
|
|
|
int just_signaled; /* bugfix by Michael Bloom (mg@ttidca.TTI.COM) */
|
|
|
|
|
|
|
|
|
|
#ifdef SIGVOID
|
|
|
|
|
/*ARGSUSED*/
|
|
|
|
|
#endif
|
|
|
|
|
sigret_t
|
|
|
|
|
pintr(snum)
|
|
|
|
|
int snum;
|
|
|
|
|
{
|
|
|
|
|
#ifdef UNRELSIGS
|
|
|
|
|
if (snum)
|
|
|
|
|
(void) sigset(snum, pintr);
|
|
|
|
|
#endif /* UNRELSIGS */
|
|
|
|
|
just_signaled = 1;
|
|
|
|
|
pintr1(1);
|
|
|
|
|
#ifndef SIGVOID
|
|
|
|
|
return (snum);
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
pintr1(wantnl)
|
|
|
|
|
bool wantnl;
|
|
|
|
|
{
|
|
|
|
|
register Char **v;
|
|
|
|
|
#ifdef BSDSIGS
|
|
|
|
|
sigmask_t omask;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef BSDSIGS
|
|
|
|
|
omask = sigblock((sigmask_t) 0);
|
|
|
|
|
#endif
|
|
|
|
|
if (setintr) {
|
|
|
|
|
#ifdef BSDSIGS
|
|
|
|
|
(void) sigsetmask(omask & ~sigmask(SIGINT));
|
|
|
|
|
#else
|
|
|
|
|
(void) sigrelse(SIGINT);
|
|
|
|
|
#endif
|
|
|
|
|
if (pjobs) {
|
|
|
|
|
pjobs = 0;
|
|
|
|
|
xputchar('\n');
|
|
|
|
|
dojobs(jobargv, NULL);
|
|
|
|
|
stderror(ERR_NAME | ERR_INTR);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
/* MH - handle interrupted completions specially */
|
|
|
|
|
{
|
|
|
|
|
extern int InsideCompletion;
|
|
|
|
|
|
|
|
|
|
if (InsideCompletion)
|
|
|
|
|
stderror(ERR_SILENT);
|
|
|
|
|
}
|
|
|
|
|
/* JV - Make sure we shut off inputl */
|
|
|
|
|
{
|
|
|
|
|
extern Char GettingInput;
|
|
|
|
|
|
|
|
|
|
(void) Cookedmode();
|
|
|
|
|
GettingInput = 0;
|
|
|
|
|
}
|
|
|
|
|
#ifdef BSDSIGS
|
|
|
|
|
(void) sigsetmask(omask & ~sigmask(SIGCHLD));
|
|
|
|
|
#else
|
|
|
|
|
if (setintr)
|
|
|
|
|
(void) sighold(SIGINT);
|
|
|
|
|
(void) sigrelse(SIGCHLD);
|
|
|
|
|
#endif
|
|
|
|
|
drainoline();
|
2000-11-30 21:05:33 +00:00
|
|
|
#if !defined(_VMS_POSIX) && !defined(WINNT_NATIVE)
|
2000-04-15 04:41:27 +00:00
|
|
|
(void) endpwent();
|
2000-11-30 21:05:33 +00:00
|
|
|
#endif /* !_VMS_POSIX && !WINNT_NATIVE */
|
2000-04-15 04:41:27 +00:00
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* If we have an active "onintr" then we search for the label. Note that if
|
|
|
|
|
* one does "onintr -" then we shan't be interruptible so we needn't worry
|
|
|
|
|
* about that here.
|
|
|
|
|
*/
|
|
|
|
|
if (gointr) {
|
|
|
|
|
gotolab(gointr);
|
|
|
|
|
timflg = 0;
|
|
|
|
|
if ((v = pargv) != 0)
|
|
|
|
|
pargv = 0, blkfree(v);
|
|
|
|
|
if ((v = gargv) != 0)
|
|
|
|
|
gargv = 0, blkfree(v);
|
|
|
|
|
reset();
|
|
|
|
|
}
|
|
|
|
|
else if (intty && wantnl) {
|
|
|
|
|
if (editing) {
|
|
|
|
|
/*
|
|
|
|
|
* If we are editing a multi-line input command, and move to
|
|
|
|
|
* the beginning of the line, we don't want to trash it when
|
|
|
|
|
* we hit ^C
|
|
|
|
|
*/
|
|
|
|
|
PastBottom();
|
|
|
|
|
ClearLines();
|
|
|
|
|
ClearDisp();
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
/* xputchar('\n'); *//* Some like this, others don't */
|
|
|
|
|
(void) putraw('\r');
|
|
|
|
|
(void) putraw('\n');
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
stderror(ERR_SILENT);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Process is the main driving routine for the shell.
|
|
|
|
|
* It runs all command processing, except for those within { ... }
|
|
|
|
|
* in expressions (which is run by a routine evalav in sh.exp.c which
|
|
|
|
|
* is a stripped down process), and `...` evaluation which is run
|
|
|
|
|
* also by a subset of this code in sh.glob.c in the routine backeval.
|
|
|
|
|
*
|
|
|
|
|
* The code here is a little strange because part of it is interruptible
|
|
|
|
|
* and hence freeing of structures appears to occur when none is necessary
|
|
|
|
|
* if this is ignored.
|
|
|
|
|
*
|
|
|
|
|
* Note that if catch is not set then we will unwind on any error.
|
|
|
|
|
* If an end-of-file occurs, we return.
|
|
|
|
|
*/
|
|
|
|
|
static struct command *savet = NULL;
|
|
|
|
|
void
|
|
|
|
|
process(catch)
|
|
|
|
|
bool catch;
|
|
|
|
|
{
|
|
|
|
|
extern char Expand;
|
|
|
|
|
jmp_buf_t osetexit;
|
|
|
|
|
/* PWP: This might get nuked my longjmp so don't make it a register var */
|
|
|
|
|
struct command *t = savet;
|
|
|
|
|
|
|
|
|
|
savet = NULL;
|
|
|
|
|
getexit(osetexit);
|
|
|
|
|
for (;;) {
|
|
|
|
|
|
|
|
|
|
pendjob();
|
|
|
|
|
|
|
|
|
|
/* This was leaking memory badly, particularly when sourcing
|
|
|
|
|
* files, etc.. For whatever reason we were arriving here with
|
|
|
|
|
* allocated pointers still active, and the code was simply
|
|
|
|
|
* overwriting them. I can't say I fully understand the
|
|
|
|
|
* control flow here, but according to Purify this particular
|
|
|
|
|
* leak has been plugged, and I haven't noticed any ill
|
|
|
|
|
* effects.. (sg)
|
|
|
|
|
*/
|
|
|
|
|
if (paraml.next && paraml.next != ¶ml)
|
|
|
|
|
freelex(¶ml);
|
|
|
|
|
|
|
|
|
|
paraml.next = paraml.prev = ¶ml;
|
|
|
|
|
paraml.word = STRNULL;
|
|
|
|
|
(void) setexit();
|
|
|
|
|
justpr = enterhist; /* execute if not entering history */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Interruptible during interactive reads
|
|
|
|
|
*/
|
|
|
|
|
if (setintr)
|
|
|
|
|
#ifdef BSDSIGS
|
|
|
|
|
(void) sigsetmask(sigblock((sigmask_t) 0) & ~sigmask(SIGINT));
|
|
|
|
|
#else
|
|
|
|
|
(void) sigrelse(SIGINT);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* For the sake of reset()
|
|
|
|
|
*/
|
|
|
|
|
freelex(¶ml);
|
|
|
|
|
if (savet)
|
|
|
|
|
freesyn(savet), savet = NULL;
|
|
|
|
|
|
|
|
|
|
if (haderr) {
|
|
|
|
|
if (!catch) {
|
|
|
|
|
/* unwind */
|
|
|
|
|
doneinp = 0;
|
|
|
|
|
savet = t;
|
|
|
|
|
resexit(osetexit);
|
|
|
|
|
reset();
|
|
|
|
|
}
|
|
|
|
|
haderr = 0;
|
|
|
|
|
/*
|
|
|
|
|
* Every error is eventually caught here or the shell dies. It is
|
|
|
|
|
* at this point that we clean up any left-over open files, by
|
|
|
|
|
* closing all but a fixed number of pre-defined files. Thus
|
|
|
|
|
* routines don't have to worry about leaving files open due to
|
|
|
|
|
* deeper errors... they will get closed here.
|
|
|
|
|
*/
|
|
|
|
|
closem();
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
if (doneinp) {
|
|
|
|
|
doneinp = 0;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if (chkstop)
|
|
|
|
|
chkstop--;
|
|
|
|
|
if (neednote)
|
|
|
|
|
pnote();
|
|
|
|
|
if (intty && prompt && evalvec == 0) {
|
|
|
|
|
just_signaled = 0;
|
|
|
|
|
mailchk();
|
|
|
|
|
/*
|
|
|
|
|
* Watch for logins/logouts. Next is scheduled commands stored
|
|
|
|
|
* previously using "sched." Then execute periodic commands.
|
|
|
|
|
* Following that, the prompt precmd is run.
|
|
|
|
|
*/
|
|
|
|
|
#ifndef HAVENOUTMP
|
|
|
|
|
watch_login(0);
|
|
|
|
|
#endif /* !HAVENOUTMP */
|
|
|
|
|
sched_run(0);
|
|
|
|
|
period_cmd();
|
|
|
|
|
precmd();
|
|
|
|
|
/*
|
|
|
|
|
* If we are at the end of the input buffer then we are going to
|
|
|
|
|
* read fresh stuff. Otherwise, we are rereading input and don't
|
|
|
|
|
* need or want to prompt.
|
|
|
|
|
*/
|
2000-11-30 21:05:33 +00:00
|
|
|
if (fseekp == feobp && aret == TCSH_F_SEEK)
|
2000-04-15 04:41:27 +00:00
|
|
|
printprompt(0, NULL);
|
|
|
|
|
flush();
|
|
|
|
|
setalarm(1);
|
|
|
|
|
}
|
|
|
|
|
if (seterr) {
|
|
|
|
|
xfree((ptr_t) seterr);
|
|
|
|
|
seterr = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Echo not only on VERBOSE, but also with history expansion. If there
|
|
|
|
|
* is a lexical error then we forego history echo.
|
|
|
|
|
*/
|
|
|
|
|
if ((lex(¶ml) && !seterr && intty && !tellwhat && !Expand &&
|
|
|
|
|
!whyles) || adrof(STRverbose)) {
|
|
|
|
|
haderr = 1;
|
|
|
|
|
prlex(¶ml);
|
|
|
|
|
haderr = 0;
|
|
|
|
|
}
|
|
|
|
|
(void) alarm(0); /* Autologout OFF */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* The parser may lose space if interrupted.
|
|
|
|
|
*/
|
|
|
|
|
if (setintr)
|
|
|
|
|
#ifdef BSDSIGS
|
|
|
|
|
(void) sigblock(sigmask(SIGINT));
|
|
|
|
|
#else
|
|
|
|
|
(void) sighold(SIGINT);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Save input text on the history list if reading in old history, or it
|
|
|
|
|
* is from the terminal at the top level and not in a loop.
|
|
|
|
|
*
|
|
|
|
|
* PWP: entry of items in the history list while in a while loop is done
|
|
|
|
|
* elsewhere...
|
|
|
|
|
*/
|
|
|
|
|
if (enterhist || (catch && intty && !whyles && !tellwhat && !arun))
|
|
|
|
|
savehist(¶ml, enterhist > 1);
|
|
|
|
|
|
|
|
|
|
if (Expand && seterr)
|
|
|
|
|
Expand = 0;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Print lexical error messages, except when sourcing history lists.
|
|
|
|
|
*/
|
|
|
|
|
if (!enterhist && seterr)
|
|
|
|
|
stderror(ERR_OLD);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* If had a history command :p modifier then this is as far as we
|
|
|
|
|
* should go
|
|
|
|
|
*/
|
|
|
|
|
if (justpr)
|
|
|
|
|
reset();
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* If had a tellwhat from twenex() then do
|
|
|
|
|
*/
|
|
|
|
|
if (tellwhat) {
|
|
|
|
|
(void) tellmewhat(¶ml, NULL);
|
|
|
|
|
reset();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
alias(¶ml);
|
|
|
|
|
|
|
|
|
|
#ifdef BSDJOBS
|
|
|
|
|
/*
|
|
|
|
|
* If we are interactive, try to continue jobs that we have stopped
|
|
|
|
|
*/
|
|
|
|
|
if (prompt)
|
|
|
|
|
continue_jobs(¶ml);
|
|
|
|
|
#endif /* BSDJOBS */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Check to see if the user typed "rm * .o" or something
|
|
|
|
|
*/
|
|
|
|
|
if (prompt)
|
|
|
|
|
rmstar(¶ml);
|
|
|
|
|
/*
|
|
|
|
|
* Parse the words of the input into a parse tree.
|
|
|
|
|
*/
|
|
|
|
|
savet = syntax(paraml.next, ¶ml, 0);
|
|
|
|
|
if (seterr)
|
|
|
|
|
stderror(ERR_OLD);
|
|
|
|
|
|
|
|
|
|
postcmd();
|
|
|
|
|
/*
|
|
|
|
|
* Execute the parse tree From: Michael Schroeder
|
|
|
|
|
* <mlschroe@immd4.informatik.uni-erlangen.de> was execute(t, tpgrp);
|
|
|
|
|
*/
|
|
|
|
|
execute(savet, (tpgrp > 0 ? tpgrp : -1), NULL, NULL);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Made it!
|
|
|
|
|
*/
|
|
|
|
|
freelex(¶ml);
|
|
|
|
|
freesyn(savet), savet = NULL;
|
|
|
|
|
#ifdef SIG_WINDOW
|
|
|
|
|
if (catch && intty && !whyles && !tellwhat)
|
|
|
|
|
(void) window_change(0); /* for window systems */
|
|
|
|
|
#endif /* SIG_WINDOW */
|
|
|
|
|
set(STR_, Strsave(InputBuf), VAR_READWRITE | VAR_NOGLOB);
|
|
|
|
|
}
|
|
|
|
|
savet = t;
|
|
|
|
|
resexit(osetexit);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*ARGSUSED*/
|
|
|
|
|
void
|
|
|
|
|
dosource(t, c)
|
|
|
|
|
register Char **t;
|
|
|
|
|
struct command *c;
|
|
|
|
|
{
|
|
|
|
|
register Char *f;
|
|
|
|
|
bool hflg = 0;
|
|
|
|
|
extern int bequiet;
|
|
|
|
|
char buf[BUFSIZE];
|
|
|
|
|
|
|
|
|
|
USE(c);
|
|
|
|
|
t++;
|
|
|
|
|
if (*t && eq(*t, STRmh)) {
|
|
|
|
|
if (*++t == NULL)
|
|
|
|
|
stderror(ERR_NAME | ERR_HFLAG);
|
|
|
|
|
hflg++;
|
|
|
|
|
}
|
|
|
|
|
else if (*t && eq(*t, STRmm)) {
|
|
|
|
|
if (*++t == NULL)
|
|
|
|
|
stderror(ERR_NAME | ERR_MFLAG);
|
|
|
|
|
hflg = 2;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
f = globone(*t++, G_ERROR);
|
|
|
|
|
(void) strcpy(buf, short2str(f));
|
|
|
|
|
xfree((ptr_t) f);
|
|
|
|
|
if ((!srcfile(buf, 0, hflg, t)) && (!hflg) && (!bequiet))
|
|
|
|
|
stderror(ERR_SYSTEM, buf, strerror(errno));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Check for mail.
|
|
|
|
|
* If we are a login shell, then we don't want to tell
|
|
|
|
|
* about any mail file unless its been modified
|
|
|
|
|
* after the time we started.
|
|
|
|
|
* This prevents us from telling the user things he already
|
|
|
|
|
* knows, since the login program insists on saying
|
|
|
|
|
* "You have mail."
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* The AMS version.
|
|
|
|
|
* This version checks if the file is a directory, and if so,
|
|
|
|
|
* tells you the number of files in it, otherwise do the old thang.
|
|
|
|
|
* The magic "+1" in the time calculation is to compensate for
|
|
|
|
|
* an AFS bug where directory mtimes are set to 1 second in
|
|
|
|
|
* the future.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
mailchk()
|
|
|
|
|
{
|
|
|
|
|
register struct varent *v;
|
|
|
|
|
register Char **vp;
|
|
|
|
|
time_t t;
|
|
|
|
|
int intvl, cnt;
|
|
|
|
|
struct stat stb;
|
|
|
|
|
bool new;
|
|
|
|
|
|
|
|
|
|
v = adrof(STRmail);
|
|
|
|
|
if (v == 0)
|
|
|
|
|
return;
|
|
|
|
|
(void) time(&t);
|
|
|
|
|
vp = v->vec;
|
|
|
|
|
cnt = blklen(vp);
|
|
|
|
|
intvl = (cnt && number(*vp)) ? (--cnt, getn(*vp++)) : MAILINTVL;
|
|
|
|
|
if (intvl < 1)
|
|
|
|
|
intvl = 1;
|
|
|
|
|
if (chktim + intvl > t)
|
|
|
|
|
return;
|
|
|
|
|
for (; *vp; vp++) {
|
|
|
|
|
char *filename = short2str(*vp);
|
|
|
|
|
char *mboxdir = filename;
|
|
|
|
|
|
|
|
|
|
if (stat(filename, &stb) < 0)
|
|
|
|
|
continue;
|
|
|
|
|
#if defined(BSDTIMES) || defined(_SEQUENT_)
|
|
|
|
|
new = stb.st_mtime > time0.tv_sec;
|
|
|
|
|
#else
|
2000-04-20 04:22:36 +00:00
|
|
|
new = stb.st_mtime > seconds0;
|
2000-04-15 04:41:27 +00:00
|
|
|
#endif
|
|
|
|
|
if (S_ISDIR(stb.st_mode)) {
|
|
|
|
|
DIR *mailbox;
|
|
|
|
|
int mailcount = 0;
|
|
|
|
|
char tempfilename[MAXPATHLEN];
|
|
|
|
|
struct stat stc;
|
|
|
|
|
|
|
|
|
|
xsnprintf(tempfilename, MAXPATHLEN, "%s/new", filename);
|
|
|
|
|
|
|
|
|
|
if (stat(tempfilename, &stc) != -1 && S_ISDIR(stc.st_mode)) {
|
|
|
|
|
/*
|
|
|
|
|
* "filename/new" exists and is a directory; you are
|
|
|
|
|
* using Qmail.
|
|
|
|
|
*/
|
|
|
|
|
stb = stc;
|
|
|
|
|
#if defined(BSDTIMES) || defined(_SEQUENT_)
|
|
|
|
|
new = stb.st_mtime > time0.tv_sec;
|
|
|
|
|
#else
|
2000-04-20 04:22:36 +00:00
|
|
|
new = stb.st_mtime > seconds0;
|
2000-04-15 04:41:27 +00:00
|
|
|
#endif
|
|
|
|
|
mboxdir = tempfilename;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (stb.st_mtime <= chktim + 1 || (loginsh && !new))
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
if ((mailbox = opendir(mboxdir)) == NULL)
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
/* skip . and .. */
|
|
|
|
|
if (!readdir(mailbox) || !readdir(mailbox))
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
while (readdir(mailbox))
|
|
|
|
|
mailcount++;
|
|
|
|
|
|
|
|
|
|
if (mailcount == 0)
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
if (cnt == 1)
|
|
|
|
|
xprintf(CGETS(11, 3, "You have %d mail messages.\n"),
|
|
|
|
|
mailcount);
|
|
|
|
|
else
|
|
|
|
|
xprintf(CGETS(11, 4, "You have %d mail messages in %s.\n"),
|
|
|
|
|
mailcount, filename);
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
if (stb.st_size == 0 || stb.st_atime > stb.st_mtime ||
|
|
|
|
|
(stb.st_atime <= chktim && stb.st_mtime <= chktim) ||
|
|
|
|
|
(loginsh && !new))
|
|
|
|
|
continue;
|
|
|
|
|
if (cnt == 1)
|
|
|
|
|
xprintf(CGETS(11, 5, "You have %smail.\n"),
|
|
|
|
|
new ? CGETS(11, 6, "new ") : "");
|
|
|
|
|
else
|
|
|
|
|
xprintf(CGETS(11, 7, "You have %smail in %s.\n"),
|
|
|
|
|
new ? CGETS(11, 6, "new ") : "", filename);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
chktim = t;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Extract a home directory from the password file
|
|
|
|
|
* The argument points to a buffer where the name of the
|
|
|
|
|
* user whose home directory is sought is currently.
|
|
|
|
|
* We write the home directory of the user back there.
|
|
|
|
|
*/
|
|
|
|
|
int
|
|
|
|
|
gethdir(home)
|
|
|
|
|
Char *home;
|
|
|
|
|
{
|
|
|
|
|
Char *h;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Is it us?
|
|
|
|
|
*/
|
|
|
|
|
if (*home == '\0') {
|
|
|
|
|
if ((h = varval(STRhome)) != STRNULL) {
|
|
|
|
|
(void) Strcpy(home, h);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Look in the cache
|
|
|
|
|
*/
|
|
|
|
|
if ((h = gettilde(home)) == NULL)
|
|
|
|
|
return 1;
|
|
|
|
|
else {
|
|
|
|
|
(void) Strcpy(home, h);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Move the initial descriptors to their eventual
|
|
|
|
|
* resting places, closing all other units.
|
|
|
|
|
*/
|
|
|
|
|
void
|
|
|
|
|
initdesc()
|
|
|
|
|
{
|
|
|
|
|
#ifdef NLS_BUGS
|
|
|
|
|
#ifdef NLS_CATALOGS
|
|
|
|
|
(void)catclose(catd);
|
|
|
|
|
#endif /* NLS_CATALOGS */
|
|
|
|
|
#endif /* NLS_BUGS */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
didfds = 0; /* 0, 1, 2 aren't set up */
|
|
|
|
|
(void) close_on_exec(SHIN = dcopy(0, FSHIN), 1);
|
|
|
|
|
(void) close_on_exec(SHOUT = dcopy(1, FSHOUT), 1);
|
|
|
|
|
(void) close_on_exec(SHDIAG = dcopy(2, FSHDIAG), 1);
|
|
|
|
|
(void) close_on_exec(OLDSTD = dcopy(SHIN, FOLDSTD), 1);
|
|
|
|
|
#ifndef CLOSE_ON_EXEC
|
|
|
|
|
didcch = 0; /* Havent closed for child */
|
|
|
|
|
#endif /* CLOSE_ON_EXEC */
|
|
|
|
|
isdiagatty = isatty(SHDIAG);
|
|
|
|
|
isoutatty = isatty(SHOUT);
|
|
|
|
|
closem();
|
|
|
|
|
#ifdef NLS_BUGS
|
|
|
|
|
#ifdef NLS_CATALOGS
|
|
|
|
|
nlsinit();
|
|
|
|
|
#endif /* NLS_CATALOGS */
|
|
|
|
|
#endif /* NLS_BUGS */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
#ifdef PROF
|
|
|
|
|
done(i)
|
|
|
|
|
#else
|
|
|
|
|
xexit(i)
|
|
|
|
|
#endif
|
|
|
|
|
int i;
|
|
|
|
|
{
|
|
|
|
|
#ifdef TESLA
|
|
|
|
|
if (loginsh && do_logout) {
|
|
|
|
|
/* this is to send hangup signal to the develcon */
|
|
|
|
|
/* we toggle DTR. clear dtr - sleep 1 - set dtr */
|
|
|
|
|
/* ioctl will return ENOTTY for pty's but we ignore it */
|
|
|
|
|
/* exitstat will run after disconnect */
|
|
|
|
|
/* we sleep for 2 seconds to let things happen in */
|
|
|
|
|
/* .logout and rechist() */
|
|
|
|
|
#ifdef TIOCCDTR
|
|
|
|
|
(void) sleep(2);
|
|
|
|
|
(void) ioctl(FSHTTY, TIOCCDTR, NULL);
|
|
|
|
|
(void) sleep(1);
|
|
|
|
|
(void) ioctl(FSHTTY, TIOCSDTR, NULL);
|
|
|
|
|
#endif /* TIOCCDTR */
|
|
|
|
|
}
|
|
|
|
|
#endif /* TESLA */
|
|
|
|
|
|
|
|
|
|
{
|
|
|
|
|
struct process *pp, *np;
|
|
|
|
|
|
|
|
|
|
/* Kill all processes marked for hup'ing */
|
|
|
|
|
for (pp = proclist.p_next; pp; pp = pp->p_next) {
|
|
|
|
|
np = pp;
|
|
|
|
|
do
|
|
|
|
|
if ((np->p_flags & PHUP) && np->p_jobid != shpgrp) {
|
|
|
|
|
if (killpg(np->p_jobid, SIGHUP) != -1) {
|
|
|
|
|
/* In case the job was suspended... */
|
|
|
|
|
#ifdef SIGCONT
|
|
|
|
|
(void) killpg(np->p_jobid, SIGCONT);
|
|
|
|
|
#endif
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
while ((np = np->p_friends) != pp);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
untty();
|
|
|
|
|
#ifdef NLS_CATALOGS
|
|
|
|
|
/*
|
|
|
|
|
* We need to call catclose, because SVR4 leaves symlinks behind otherwise
|
|
|
|
|
* in the catalog directories. We cannot close on a vforked() child,
|
|
|
|
|
* because messages will stop working on the parent too.
|
|
|
|
|
*/
|
|
|
|
|
if (child == 0)
|
|
|
|
|
(void) catclose(catd);
|
|
|
|
|
#endif /* NLS_CATALOGS */
|
2000-11-30 21:05:33 +00:00
|
|
|
#ifdef WINNT_NATIVE
|
2000-04-15 04:41:27 +00:00
|
|
|
nt_cleanup();
|
2000-11-30 21:05:33 +00:00
|
|
|
#endif /* WINNT_NATIVE */
|
2000-04-15 04:41:27 +00:00
|
|
|
_exit(i);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifndef _PATH_DEFPATH
|
|
|
|
|
static Char **
|
|
|
|
|
defaultpath()
|
|
|
|
|
{
|
|
|
|
|
char *ptr;
|
|
|
|
|
Char **blk, **blkp;
|
|
|
|
|
struct stat stb;
|
|
|
|
|
|
|
|
|
|
blkp = blk = (Char **) xmalloc((size_t) sizeof(Char *) * 10);
|
|
|
|
|
|
|
|
|
|
#ifndef NODOT
|
|
|
|
|
# ifndef DOTLAST
|
|
|
|
|
*blkp++ = Strsave(STRdot);
|
|
|
|
|
# endif
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#define DIRAPPEND(a) \
|
|
|
|
|
if (stat(ptr = a, &stb) == 0 && S_ISDIR(stb.st_mode)) \
|
|
|
|
|
*blkp++ = SAVE(ptr)
|
|
|
|
|
|
|
|
|
|
#ifdef _PATH_LOCAL
|
|
|
|
|
DIRAPPEND(_PATH_LOCAL);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef _PATH_USRUCB
|
|
|
|
|
DIRAPPEND(_PATH_USRUCB);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef _PATH_USRBSD
|
|
|
|
|
DIRAPPEND(_PATH_USRBSD);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef _PATH_BIN
|
|
|
|
|
DIRAPPEND(_PATH_BIN);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef _PATH_USRBIN
|
|
|
|
|
DIRAPPEND(_PATH_USRBIN);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#undef DIRAPPEND
|
|
|
|
|
|
|
|
|
|
#ifndef NODOT
|
|
|
|
|
# ifdef DOTLAST
|
|
|
|
|
*blkp++ = Strsave(STRdot);
|
|
|
|
|
# endif
|
|
|
|
|
#endif
|
|
|
|
|
*blkp = NULL;
|
|
|
|
|
return (blk);
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
record()
|
|
|
|
|
{
|
|
|
|
|
if (!fast) {
|
|
|
|
|
recdirs(NULL, adrof(STRsavedirs) != NULL);
|
|
|
|
|
rechist(NULL, adrof(STRsavehist) != NULL);
|
|
|
|
|
}
|
|
|
|
|
}
|
