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- use F_CLOSEM instead of walking the fd list

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- determine pty name properly for ptyfs ptys
- use setproctitle(NULL) to kill our args
This commit is contained in:
christos 2005-02-28 16:13:02 +00:00
parent 70a8501f05
commit 10cd3dcdb4
1 changed files with 15 additions and 3 deletions
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18
usr.bin/login/login.c
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@ -1,4 +1,4 @@
/* $NetBSD: login.c,v 1.81 2005/01/20 15:41:14 xtraeme Exp $ */
/* $NetBSD: login.c,v 1.82 2005/02/28 16:13:02 christos Exp $ */
/*-
* Copyright (c) 1980, 1987, 1988, 1991, 1993, 1994
@ -40,7 +40,7 @@ __COPYRIGHT(
#if 0
static char sccsid[] = "@(#)login.c 8.4 (Berkeley) 4/2/94";
#endif
__RCSID("$NetBSD: login.c,v 1.81 2005/01/20 15:41:14 xtraeme Exp $");
__RCSID("$NetBSD: login.c,v 1.82 2005/02/28 16:13:02 christos Exp $");
#endif /* not lint */
/*
@ -248,6 +248,10 @@ main(int argc, char *argv[])
if (uid)
errx(1, "-a option: %s", strerror(EPERM));
decode_ss(optarg);
#ifdef notdef
(void)sockaddr_snprintf(optarg,
sizeof(struct sockaddr_storage), "%a", (void *)&ss);
#endif
break;
case 'F':
Fflag = 1;
@ -277,6 +281,8 @@ main(int argc, char *argv[])
usage();
break;
}
setproctitle(NULL);
argc -= optind;
argv += optind;
@ -286,15 +292,21 @@ main(int argc, char *argv[])
} else
ask = 1;
#ifdef F_CLOSEM
(void)fcntl(3, F_CLOSEM, 0);
#else
for (cnt = getdtablesize(); cnt > 2; cnt--)
(void)close(cnt);
#endif
ttyn = ttyname(STDIN_FILENO);
if (ttyn == NULL || *ttyn == '\0') {
(void)snprintf(tname, sizeof(tname), "%s??", _PATH_TTY);
ttyn = tname;
}
if ((tty = strrchr(ttyn, '/')) != NULL)
if ((tty = strstr(ttyn, "/pts/")) != NULL)
++tty;
else if ((tty = strrchr(ttyn, '/')) != NULL)
++tty;
else
tty = ttyn;