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https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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53c9f6c0c4
o Supporting SYNC SIO device (But need a device driver)
- add "set speed sync"
o Fixing bug for Predictor-1 function.
o Add new parameter that re-sent interval for set timeout commands.
o Improving RTT (Round Trip Time) and reducing processor time.
- Previous Timer service was using polling, and now using
SIGALRM ;-)
- A 0.94beta2 will not work correctly....
-- Follows are additinal feature not including 0.94beta2
o Support Proxy ARP
- add "enable/disable proxy" commands
o Marging common routine in CHAP/PAP.
o Enhancing LCP/IPCP log information.
o Support local Authfication connection on port 300x and tty.
- You can set up pair of your "hostname -s" and
password in ppp.secret. if either ppp.secret file nor
your hostname line don't exist, It will notify a message
and working as same as previous version.(Backword compatibility)
- If you did set up them, It's allow connection but nothing to do
except help and passwd command.
- add "passwd yourpasswd" commands
o Support afilter - keep Alive filter that a packet can send/receiving
according to ifilter/ofilter but doesn't count it as preventing idle
timer expires.
- Same syntax of other filters.
o Fixing bugs reported by current user for previous one. Thanks !!
Reviewed by: Atsushi Murai (amurai@spec.co.jp)
113 lines
3.3 KiB
C
113 lines
3.3 KiB
C
/*
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* Copyright (c) 1988 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id:$
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*
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*/
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#ifndef lint
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static char sccsid[] = "@(#)uucplock.c 5.5 (Berkeley) 6/1/90";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/file.h>
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#include <sys/dir.h>
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#include <errno.h>
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#include "pathnames.h"
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/*
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* uucp style locking routines
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* return: 0 - success
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* -1 - failure
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*/
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uu_lock(ttyname)
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char *ttyname;
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{
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extern int errno;
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int fd, pid;
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char tbuf[sizeof(_PATH_LOCKDIRNAME) + MAXNAMLEN];
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off_t lseek();
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(void)sprintf(tbuf, _PATH_LOCKDIRNAME, ttyname);
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fd = open(tbuf, O_RDWR|O_CREAT|O_EXCL, 0664);
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if (fd < 0) {
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/*
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* file is already locked
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* check to see if the process holding the lock still exists
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*/
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fd = open(tbuf, O_RDWR, 0);
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if (fd < 0) {
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perror("lock open");
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return(-1);
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}
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if (read(fd, &pid, sizeof(pid)) != sizeof(pid)) {
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(void)close(fd);
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perror("lock read");
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return(-1);
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}
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if (kill(pid, 0) == 0 || errno != ESRCH) {
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(void)close(fd); /* process is still running */
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return(-1);
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}
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/*
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* The process that locked the file isn't running, so
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* we'll lock it ourselves
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*/
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if (lseek(fd, 0L, L_SET) < 0) {
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(void)close(fd);
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perror("lock lseek");
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return(-1);
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}
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/* fall out and finish the locking process */
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}
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pid = getpid();
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if (write(fd, (char *)&pid, sizeof(pid)) != sizeof(pid)) {
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(void)close(fd);
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(void)unlink(tbuf);
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perror("lock write");
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return(-1);
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}
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(void)close(fd);
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return(0);
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}
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uu_unlock(ttyname)
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char *ttyname;
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{
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char tbuf[sizeof(_PATH_LOCKDIRNAME) + MAXNAMLEN];
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(void)sprintf(tbuf, _PATH_LOCKDIRNAME, ttyname);
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return(unlink(tbuf));
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}
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