/*
* System-dependent procedures for pppd under Digital UNIX (OSF/1).
*
- * Copyright (c) 1994 The Australian National University.
- * All rights reserved.
+ * Copyright (c) 1994-2002 Paul Mackerras. All rights reserved.
*
- * Permission to use, copy, modify, and distribute this software and its
- * documentation is hereby granted, provided that the above copyright
- * notice appears in all copies. This software is provided without any
- * warranty, express or implied. The Australian National University
- * makes no representations about the suitability of this software for
- * any purpose.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
*
- * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY
- * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
- * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
*
- * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO
- * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
- * OR MODIFICATIONS.
+ * 2. The name(s) of the authors of this software must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission.
+ *
+ * 3. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by Paul Mackerras
+ * <paulus@samba.org>".
+ *
+ * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Derived from main.c and pppd.h, which are:
+ *
+ * Copyright (c) 1984-2000 Carnegie Mellon University. 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. The name "Carnegie Mellon University" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For permission or any legal
+ * details, please contact
+ * Office of Technology Transfer
+ * Carnegie Mellon University
+ * 5000 Forbes Avenue
+ * Pittsburgh, PA 15213-3890
+ * (412) 268-4387, fax: (412) 268-7395
+ * tech-transfer@andrew.cmu.edu
+ *
+ * 4. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by Computing Services
+ * at Carnegie Mellon University (http://www.cmu.edu/computing/)."
+ *
+ * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
+ * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#ifndef lint
-static char rcsid[] = "$Id: sys-osf.c,v 1.20 1999/03/16 22:53:48 paulus Exp $";
-#endif
+#define RCSID "$Id: sys-osf.c,v 1.33 2004/11/04 10:02:26 paulus Exp $"
+#include <syslog.h>
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include "pppd.h"
+static const char rcsid[] = RCSID;
+
static int pppfd;
static int fdmuxid = -1;
static int iffd;
return 1;
}
-
+#if 0
/*
* daemon - Detach us from controlling terminal session.
*/
}
return 0;
}
-
-/*
- * note_debug_level - note a change in the debug level.
- */
-void
-note_debug_level()
-{
- if (debug) {
- setlogmask(LOG_UPTO(LOG_DEBUG));
- } else {
- setlogmask(LOG_UPTO(LOG_WARNING));
- }
-}
+#endif
/*
* ppp_available - check whether the system has any ppp interfaces
if (i != fd && i != sockfd)
close(i);
closed_stdio = 1;
+ /* make sure 0, 1, 2 are open to /dev/null */
+ while ((i = open("/dev/null", O_RDWR)) >= 0) {
+ if (i > 2) {
+ close(i);
+ break;
+ }
+ }
}
/*
/*
* add_fd - add an fd to the set that wait_input waits for.
*/
-void add_fd(int fd)
+void add_fd(fd)
+ int fd;
{
int n;
/*
* remove_fd - remove an fd from the set that wait_input waits for.
*/
-void remove_fd(int fd)
+void remove_fd(fd)
+ int fd;
{
int n;
wait_input(timo);
}
+#endif
+
/*
* wait_time - wait for a given length of time or until a
- * signal is received.
+ * signal is received. Called by ccp_test
*/
-void
+static void
wait_time(timo)
struct timeval *timo;
{
if (n < 0 && errno != EINTR)
fatal("select: %m");
}
-#endif
/*
* read_packet - get a PPP packet from the serial device.
flags = 0;
len = getmsg(pppfd, &ctrl, &data, &flags);
if (len < 0) {
- if (errno = EAGAIN || errno == EWOULDBLOCK || errno == EINTR)
+ if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINTR)
return -1;
fatal("Error reading packet: %m");
}
return strioctl(pppfd, PPPIO_GIDLE, ip, 0, sizeof(struct ppp_idle)) >= 0;
}
+/*
+ * get_ppp_stats - return statistics for the link.
+ */
+int
+get_ppp_stats(u, stats)
+ int u;
+ struct pppd_stats *stats;
+{
+ struct ppp_stats s;
+
+ if (strioctl(pppfd, PPPIO_GETSTAT, &s, 0, sizeof(s)) < 0) {
+ error("Couldn't get link statistics: %m");
+ return 0;
+ }
+ stats->bytes_in = s.p.ppp_ibytes;
+ stats->bytes_out = s.p.ppp_obytes;
+ return 1;
+}
+
/*
* ccp_fatal_error - returns 1 if decompression was disabled as a
{
struct ifreq ifr;
- strlcpy(ifr.ifr_name, sizeof(ifr.ifr_name), ifname);
+ strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) < 0) {
error("Couldn't mark interface up (get): %m");
return 0;
{
struct ifreq ifr;
- strlcpy(ifr.ifr_name, sizeof(ifr.ifr_name), ifname);
+ bzero(&ifr, sizeof(ifr));
+ strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) < 0) {
error("Couldn't mark interface down (get): %m");
return 0;
/* flush old address, if any
*/
bzero(&ifr, sizeof (ifr));
- strlcpy(ifr.ifr_name, sizeof (ifr.ifr_name), ifname);
+ strlcpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
SET_SA_FAMILY(ifr.ifr_addr, AF_INET);
((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr = o;
if ((ioctl(sockfd, (int)SIOCDIFADDR, (caddr_t) &ifr) < 0)
}
bzero(&addreq, sizeof (addreq));
- strlcpy(addreq.ifra_name, sizeof (addreq.ifra_name), ifname);
+ strlcpy(addreq.ifra_name, ifname, sizeof (addreq.ifra_name));
SET_SA_FAMILY(addreq.ifra_addr, AF_INET);
SET_SA_FAMILY(addreq.ifra_broadaddr, AF_INET);
((struct sockaddr_in *)&addreq.ifra_addr)->sin_addr.s_addr = o;
ret = 0;
}
- ifr.ifr_metric = link_mtu;
+ ifr.ifr_data = (caddr_t)&link_mtu;
+
if (ioctl(sockfd, SIOCSIPMTU, &ifr) < 0) {
error("Couldn't set IP MTU: %m");
ret = 0;
ifaddrs[0] = 0;
ifaddrs[1] = 0;
bzero(&ifr, sizeof (ifr));
- strlcpy(ifr.ifr_name, sizeof (ifr.ifr_name), ifname);
+ strlcpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
SET_SA_FAMILY(ifr.ifr_addr, AF_INET);
((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr = o;
if (ioctl(sockfd, (int)SIOCDIFADDR, (caddr_t) &ifr) < 0) {
* Check that the interface is up, and not point-to-point
* or loopback.
*/
- strlcpy(ifreq.ifr_name, sizeof(ifreq.ifr_name), ifr->ifr_name);
+ strlcpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
if (ioctl(sockfd, SIOCGIFFLAGS, &ifreq) < 0)
continue;
if ((ifreq.ifr_flags &
return 0;
info("found interface %s for proxy arp", ifr->ifr_name);
- strlcpy(ifdevreq.ifr_name, sizeof(ifdevreq.ifr_name), ifr->ifr_name);
+ strlcpy(ifdevreq.ifr_name, ifr->ifr_name, sizeof(ifdevreq.ifr_name));
if (ioctl(sockfd, (int)SIOCRPHYSADDR, &ifdevreq) < 0) {
perror("ioctl(SIOCRPHYSADDR)");
if ((fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) < 0)
return;
if (!fstat(fd, &buf)) {
- strlcpy(ut.ut_line, sizeof(ut.ut_line), line);
- strlcpy(ut.ut_name, sizeof(ut.ut_name), name);
- strlcpy(ut.ut_host, sizeof(ut.ut_host), host);
+ strncpy(ut.ut_line, line, sizeof(ut.ut_line));
+ strncpy(ut.ut_name, name, sizeof(ut.ut_name));
+ strncpy(ut.ut_host, host, sizeof(ut.ut_host));
(void)time(&ut.ut_time);
if (write(fd, (char *)&ut, sizeof(struct utmp)) != sizeof(struct utmp))
(void)ftruncate(fd, buf.st_size);
/*
* Check that the interface is up, and not point-to-point or loopback.
*/
- strlcpy(ifreq.ifr_name, sizeof(ifreq.ifr_name), ifr->ifr_name);
+ strlcpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
if (ioctl(sockfd, SIOCGIFFLAGS, &ifreq) < 0)
continue;
if ((ifreq.ifr_flags & (IFF_UP|IFF_POINTOPOINT|IFF_LOOPBACK))
*/
int have_route_to(u_int32_t addr)
{
- char buf[sizeof(struct rt_msghdr) + (sizeof(struct sockaddr_in))];
- int status;
- int s, n;
- struct rt_msghdr *rtm;
- struct sockaddr_in *sin;
- int msglen = sizeof(*rtm) + (sizeof(*sin));
- char *cp;
- char msg[2048];
-
- rtm = (struct rt_msghdr *)buf;
- memset(rtm, 0, msglen);
- rtm->rtm_msglen = msglen;
- rtm->rtm_version = RTM_VERSION;
- rtm->rtm_type = RTM_GET;
- rtm->rtm_addrs = RTA_DST;
- /* rtm->rtm_addrs, rtm_flags should be set on output */
-
- sin = (struct sockaddr_in *)((u_char *)rtm + sizeof(*rtm));
- sin->sin_len = sizeof(*sin);
- sin->sin_family = AF_INET;
- sin->sin_addr.s_addr = addr;
-
- status = 0;
-
- if ((s = socket(PF_ROUTE, SOCK_RAW, 0)) < 0)
- return -1;
- if (write(s, (char *)rtm, msglen) != msglen) {
- close(s);
- return status == ESRCH? 0: -1;
- }
-
- n = read(s, msg, 2048);
- close(s);
- if (n <= 0)
- return -1;
-
- rtm = (struct rt_msghdr *) msg;
- if (rtm->rtm_version != RTM_VERSION)
- return -1;
-
- /* here we try to work out if the route is through our own interface */
- cp = (char *)(rtm + 1);
- if (rtm->rtm_addrs & RTA_DST) {
- struct sockaddr *sa = (struct sockaddr *) cp;
- cp = (char *)(((unsigned long)cp + sa->sa_len
- + sizeof(long) - 1) & ~(sizeof(long) - 1));
- }
- if (rtm->rtm_addrs & RTA_GATEWAY) {
- sin = (struct sockaddr_in *) cp;
- if (sin->sin_addr.s_addr == ifaddrs[0]
- || sin->sin_addr.s_addr == ifaddrs[1])
- return 0; /* route is through our interface */
- }
-
- return 1;
+ return -1;
}
static int
return gethostid();
}
+/*
+ * get_pty - get a pty master/slave pair and chown the slave side
+ * to the uid given. Assumes slave_name points to >= 12 bytes of space.
+ */
+int
+get_pty(master_fdp, slave_fdp, slave_name, uid)
+ int *master_fdp;
+ int *slave_fdp;
+ char *slave_name;
+ int uid;
+{
+ int i, mfd, sfd;
+ char pty_name[12];
+ struct termios tios;
+
+ sfd = -1;
+ for (i = 0; i < 64; ++i) {
+ slprintf(pty_name, sizeof(pty_name), "/dev/pty%c%x",
+ 'p' + i / 16, i % 16);
+ mfd = open(pty_name, O_RDWR, 0);
+ if (mfd >= 0) {
+ pty_name[5] = 't';
+ sfd = open(pty_name, O_RDWR | O_NOCTTY, 0);
+ if (sfd >= 0)
+ break;
+ close(mfd);
+ }
+ }
+ if (sfd < 0)
+ return 0;
+
+ strlcpy(slave_name, pty_name, 12);
+ *master_fdp = mfd;
+ *slave_fdp = sfd;
+ fchown(sfd, uid, -1);
+ fchmod(sfd, S_IRUSR | S_IWUSR);
+ if (tcgetattr(sfd, &tios) == 0) {
+ tios.c_cflag &= ~(CSIZE | CSTOPB | PARENB);
+ tios.c_cflag |= CS8 | CREAD;
+ tios.c_iflag = IGNPAR | CLOCAL;
+ tios.c_oflag = 0;
+ tios.c_lflag = 0;
+ if (tcsetattr(sfd, TCSAFLUSH, &tios) < 0)
+ warn("couldn't set attributes on pty: %m");
+ } else
+ warn("couldn't get attributes on pty: %m");
+
+ return 1;
+}
+
+#if 0
/*
* Code for locking/unlocking the serial device.
* This code is derived from chat.c.
lock_file = NULL;
}
}
+#endif
int
set_filters(pass, active)