* OR MODIFICATIONS.
*/
-#ifndef lint
-static char rcsid[] = "$Id: sys-osf.c,v 1.14 1998/11/07 06:59:31 paulus Exp $";
-#endif
+#define RCSID "$Id: sys-osf.c,v 1.31 1999/12/23 01:35:28 paulus Exp $"
+#include <syslog.h>
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/stream.h>
#include <sys/stropts.h>
-#include <sys/syslog.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/poll.h>
+#include <sys/ioctl.h>
#include <net/if.h>
+#include <net/if_dl.h>
#include <net/if_arp.h>
#include <net/route.h>
#include <net/ppp_defs.h>
#include <net/pppio.h>
#include <netinet/in.h>
+#include <arpa/inet.h>
#include "pppd.h"
+static const char rcsid[] = RCSID;
+
static int pppfd;
static int fdmuxid = -1;
static int iffd;
static u_int32_t default_route_gateway; /* Gateway for default route added */
static u_int32_t proxy_arp_addr; /* Addr for proxy arp entry added */
+#define MAX_POLLFDS 32
+static struct pollfd pollfds[MAX_POLLFDS];
+static int n_pollfds;
+
/* Prototypes for procedures local to this file. */
static int translate_speed __P((int));
static int baud_rate_of __P((int));
setlogmask(LOG_UPTO(LOG_DEBUG));
/* Get an internet socket for doing socket ioctl's on. */
- if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
- syslog(LOG_ERR, "Couldn't create IP socket: %m");
- die(1);
- }
+ if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
+ fatal("Couldn't create IP socket: %m");
if (default_device)
tty_sid = getsid((pid_t)0);
* Open the ppp device.
*/
pppfd = open("/dev/streams/ppp", O_RDWR | O_NONBLOCK, 0);
- if (pppfd < 0) {
- syslog(LOG_ERR, "Can't open /dev/streams/ppp: %m");
- die(1);
- }
+ if (pppfd < 0)
+ fatal("Can't open /dev/streams/ppp: %m");
if (kdebugflag) {
x = PPPDBG_LOG + PPPDBG_DRIVER;
strioctl(pppfd, PPPIO_DEBUG, &x, sizeof(int), 0);
}
/* Assign a new PPA and get its unit number. */
- if (strioctl(pppfd, PPPIO_NEWPPA, &ifunit, 0, sizeof(int)) < 0) {
- syslog(LOG_ERR, "Can't create new PPP interface: %m");
- die(1);
- }
+ if (strioctl(pppfd, PPPIO_NEWPPA, &ifunit, 0, sizeof(int)) < 0)
+ fatal("Can't create new PPP interface: %m");
/*
* Open the ppp device again and push the if_ppp module on it.
*/
iffd = open("/dev/streams/ppp", O_RDWR, 0);
- if (iffd < 0) {
- syslog(LOG_ERR, "Can't open /dev/streams/ppp (2): %m");
- die(1);
- }
+ if (iffd < 0)
+ fatal("Can't open /dev/streams/ppp (2): %m");
if (kdebugflag) {
x = PPPDBG_LOG + PPPDBG_DRIVER;
strioctl(iffd, PPPIO_DEBUG, &x, sizeof(int), 0);
}
- if (strioctl(iffd, PPPIO_ATTACH, &ifunit, sizeof(int), 0) < 0) {
- syslog(LOG_ERR, "Couldn't attach ppp interface to device: %m");
- die(1);
- }
- if (ioctl(iffd, I_PUSH, "if_ppp") < 0) {
- syslog(LOG_ERR, "Can't push ppp interface module: %m");
- die(1);
- }
+ if (strioctl(iffd, PPPIO_ATTACH, &ifunit, sizeof(int), 0) < 0)
+ fatal("Couldn't attach ppp interface to device: %m");
+ if (ioctl(iffd, I_PUSH, "if_ppp") < 0)
+ fatal("Can't push ppp interface module: %m");
if (kdebugflag) {
x = PPPDBG_LOG + PPPDBG_IF;
strioctl(iffd, PPPIO_DEBUG, &x, sizeof(int), 0);
}
- if (strioctl(iffd, PPPIO_NEWPPA, &ifunit, sizeof(int), 0) < 0) {
- syslog(LOG_ERR, "Couldn't create ppp interface unit: %m");
- die(1);
- }
+ if (strioctl(iffd, PPPIO_NEWPPA, &ifunit, sizeof(int), 0) < 0)
+ fatal("Couldn't create ppp interface unit: %m");
x = PPP_IP;
- if (strioctl(iffd, PPPIO_BIND, &x, sizeof(int), 0) < 0) {
- syslog(LOG_ERR, "Couldn't bind ppp interface to IP SAP: %m");
- die(1);
- }
+ if (strioctl(iffd, PPPIO_BIND, &x, sizeof(int), 0) < 0)
+ fatal("Couldn't bind ppp interface to IP SAP: %m");
+
+ n_pollfds = 0;
}
/*
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
struct sigaction sa;
if (streampipe(fdes) != 0)
- syslog(LOG_ERR, "streampipe(): %m\n");
+ error("streampipe(): %m\n");
else if (isastream(fdes[0]) == 1) {
if ((fret=fork()) < 0) {
- syslog(LOG_ERR, "fork(): %m\n");
+ error("fork(): %m\n");
} else if (fret == 0) {
/* Process to forward things from pipe to tty */
sigemptyset(&(sa.sa_mask));
if (FD_ISSET(fd, &readfds)) {
rret = read(fd, buffer, BUFFSIZE);
if (rret == 0) {
- MAINDEBUG((LOG_DEBUG, "slave died: EOF on tty."));
+ SYSDEBUG(("slave died: EOF on tty."));
exit(0);
} else {
write(fdes[1], buffer, rret);
if (FD_ISSET(fdes[1], &readfds)) {
rret = read(fdes[1], buffer, BUFFSIZE);
if (rret == 0) {
- MAINDEBUG((LOG_DEBUG, "slave died: EOF on pipe."));
+ SYSDEBUG(("slave died: EOF on pipe."));
exit(0);
} else {
write(fd, buffer, rret);
/*
* establish_ppp - Turn the serial port into a ppp interface.
*/
-void
+int
establish_ppp(fd)
int fd;
{
int i;
if (isastream(fd) != 1) {
- if ((ttyfd = fd = streamify(fd)) < 0) {
- syslog(LOG_ERR, "Couldn't get a STREAMS module!\n");
- die(1);
- }
+ if ((ttyfd = fd = streamify(fd)) < 0)
+ fatal("Couldn't get a STREAMS module!\n");
}
/* Pop any existing modules off the tty stream. */
if (ioctl(fd, I_LOOK, tty_modules[i]) < 0
|| ioctl(fd, I_POP, 0) < 0)
break;
- syslog(LOG_ERR, "popping module %s\n", tty_modules[i]);
+ error("popping module %s\n", tty_modules[i]);
}
tty_nmodules = i;
/* Push the async hdlc module and the compressor module. */
- if (ioctl(fd, I_PUSH, "ppp_ahdl") < 0) {
- syslog(LOG_ERR, "Couldn't push PPP Async HDLC module: %m");
- die(1);
- }
- if (ioctl(fd, I_PUSH, "ppp_comp") < 0) {
- syslog(LOG_ERR, "Couldn't push PPP compression module: %m");
-/* die(1); */
- }
+ if (ioctl(fd, I_PUSH, "ppp_ahdl") < 0)
+ fatal("Couldn't push PPP Async HDLC module: %m");
+ if (ioctl(fd, I_PUSH, "ppp_comp") < 0)
+ error("Couldn't push PPP compression module: %m");
/* read mode, message non-discard mode */
- if (ioctl(fd, I_SRDOPT, RMSGN|RPROTNORM) < 0) {
- syslog(LOG_ERR, "ioctl(I_SRDOPT, RMSGN): %m");
- die(1);
- }
+ if (ioctl(fd, I_SRDOPT, RMSGN|RPROTNORM) < 0)
+ fatal("ioctl(I_SRDOPT, RMSGN): %m");
/* Link the serial port under the PPP multiplexor. */
- if ((fdmuxid = ioctl(pppfd, I_LINK, fd)) < 0) {
- syslog(LOG_ERR, "Can't link tty to PPP mux: %m");
- die(1);
- }
+ if ((fdmuxid = ioctl(pppfd, I_LINK, fd)) < 0)
+ fatal("Can't link tty to PPP mux: %m");
/* close stdin, stdout, stderr if they might refer to the device */
if (default_device && !closed_stdio) {
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;
+ }
+ }
}
/*
* Set device for non-blocking reads.
+ * XXX why do we need to do this? don't we use pppfd not fd?
*/
if ((initfdflags = fcntl(fd, F_GETFL)) == -1
|| fcntl(fd, F_SETFL, initfdflags | O_NONBLOCK) == -1) {
- syslog(LOG_WARNING, "Couldn't set device to non-blocking mode: %m");
+ warn("Couldn't set device to non-blocking mode: %m");
}
+
+ return pppfd;
}
/*
if (fdmuxid >= 0) {
if (ioctl(pppfd, I_UNLINK, fdmuxid) < 0) {
if (!hungup)
- syslog(LOG_ERR, "Can't unlink tty from PPP mux: %m");
+ error("Can't unlink tty from PPP mux: %m");
}
fdmuxid = -1;
/* Reset non-blocking mode on the file descriptor. */
if (initfdflags != -1 && fcntl(fd, F_SETFL, initfdflags) < 0)
- syslog(LOG_WARNING, "Couldn't restore device fd flags: %m");
+ warn("Couldn't restore device fd flags: %m");
initfdflags = -1;
if (!hungup) {
;
for (i = tty_nmodules - 1; i >= 0; --i)
if (ioctl(fd, I_PUSH, tty_modules[i]) < 0)
- syslog(LOG_ERR, "Couldn't restore tty module %s: %m",
+ error("Couldn't restore tty module %s: %m",
tty_modules[i]);
}
* seen the M_HANGUP message (it went up through the ppp
* driver to the stream head for our fd to /dev/ppp).
*/
- syslog(LOG_DEBUG, "sending hangup to %d", tty_sid);
+ dbglog("sending hangup to %d", tty_sid);
if (kill(tty_sid, SIGHUP) < 0)
- syslog(LOG_ERR, "couldn't kill pgrp: %m");
+ error("couldn't kill pgrp: %m");
}
if (orig_ttyfd >= 0) {
close(fd);
break;
}
if (s != NULL) {
- syslog(LOG_WARNING, "Serial link is not 8-bit clean:");
- syslog(LOG_WARNING, "All received characters had %s", s);
+ warn("Serial link is not 8-bit clean:");
+ warn("All received characters had %s", s);
}
}
for (speedp = speeds; speedp->speed_int; speedp++)
if (bps == speedp->speed_int)
return speedp->speed_val;
- syslog(LOG_WARNING, "speed %d not supported", bps);
+ warn("speed %d not supported", bps);
return 0;
}
int speed;
struct termios tios;
- if (tcgetattr(fd, &tios) < 0) {
- syslog(LOG_ERR, "tcgetattr: %m");
- die(1);
- }
+ if (tcgetattr(fd, &tios) < 0)
+ fatal("tcgetattr: %m");
if (!restore_term) {
inittermios = tios;
* We can't proceed if the serial port speed is 0,
* since that implies that the serial port is disabled.
*/
- if (speed == B0) {
- syslog(LOG_ERR, "Baud rate for %s is 0; need explicit baud rate",
- devnam);
- die(1);
- }
+ if (speed == B0)
+ fatal("Baud rate for %s is 0; need explicit baud rate", devnam);
}
- if (tcsetattr(fd, TCSAFLUSH, &tios) < 0) {
- syslog(LOG_ERR, "tcsetattr: %m");
- die(1);
- }
+ if (tcsetattr(fd, TCSAFLUSH, &tios) < 0)
+ fatal("tcsetattr: %m");
baud_rate = inspeed = baud_rate_of(speed);
restore_term = 1;
}
if (tcsetattr(fd, TCSAFLUSH, &inittermios) < 0)
if (!hungup && errno != ENXIO)
- syslog(LOG_WARNING, "tcsetattr: %m");
+ warn("tcsetattr: %m");
ioctl(fd, TIOCSWINSZ, &wsinfo);
restore_term = 0;
}
/*
* open_loopback - open the device we use for getting packets
- * in demand mode. Under Solaris 2, we use our existing fd
+ * in demand mode. Under Digital Unix, we use our existing fd
* to the ppp driver.
*/
-void
+int
open_ppp_loopback()
{
+ return pppfd;
}
/*
struct pollfd pfd;
if (debug)
- log_packet(p, len, "sent ", LOG_DEBUG);
+ dbglog("sent %P", p, len);
data.len = len;
data.buf = (caddr_t) p;
while (putmsg(pppfd, NULL, &data, 0) < 0) {
if (--retries < 0 || (errno != EWOULDBLOCK && errno != EAGAIN)) {
if (errno != ENXIO)
- syslog(LOG_ERR, "Couldn't send packet: %m");
+ error("Couldn't send packet: %m");
break;
}
pfd.fd = pppfd;
struct timeval *timo;
{
int t;
- struct pollfd pfd;
t = timo == NULL? -1: timo->tv_sec * 1000 + timo->tv_usec / 1000;
- pfd.fd = pppfd;
- pfd.events = POLLIN | POLLPRI | POLLHUP;
- if (poll(&pfd, 1, t) < 0 && errno != EINTR) {
- syslog(LOG_ERR, "poll: %m");
- die(1);
+ if (poll(pollfds, n_pollfds, t) < 0 && errno != EINTR)
+ fatal("poll: %m");
+}
+
+/*
+ * add_fd - add an fd to the set that wait_input waits for.
+ */
+void add_fd(fd)
+ int fd;
+{
+ int n;
+
+ for (n = 0; n < n_pollfds; ++n)
+ if (pollfds[n].fd == fd)
+ return;
+ if (n_pollfds < MAX_POLLFDS) {
+ pollfds[n_pollfds].fd = fd;
+ pollfds[n_pollfds].events = POLLIN | POLLPRI | POLLHUP;
+ ++n_pollfds;
+ } else
+ error("Too many inputs!");
+}
+
+/*
+ * remove_fd - remove an fd from the set that wait_input waits for.
+ */
+void remove_fd(fd)
+ int fd;
+{
+ int n;
+
+ for (n = 0; n < n_pollfds; ++n) {
+ if (pollfds[n].fd == fd) {
+ while (++n < n_pollfds)
+ pollfds[n-1] = pollfds[n];
+ --n_pollfds;
+ break;
+ }
}
}
+#if 0
/*
* wait_loop_output - wait until there is data available on the
* loopback, for the length of time specified by *timo (indefinite
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;
{
int n;
n = select(0, NULL, NULL, NULL, timo);
- if (n < 0 && errno != EINTR) {
- syslog(LOG_ERR, "select: %m");
- die(1);
- }
+ if (n < 0 && errno != EINTR)
+ fatal("select: %m");
}
-
/*
* 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;
- syslog(LOG_ERR, "Error reading packet: %m");
- die(1);
+ fatal("Error reading packet: %m");
}
if (ctrl.len <= 0)
* Got a M_PROTO or M_PCPROTO message. Huh?
*/
if (debug)
- syslog(LOG_DEBUG, "got ctrl msg len=%d", ctrl.len);
+ dbglog("got ctrl msg len=%d", ctrl.len);
}
}
if (strioctl(pppfd, PPPIO_MTU, &mtu, sizeof(mtu), 0) < 0) {
if (hungup && errno == ENXIO)
return;
- syslog(LOG_ERR, "Couldn't set MTU: %m");
+ error("Couldn't set MTU: %m");
}
if (strioctl(pppfd, PPPIO_XACCM, &asyncmap, sizeof(asyncmap), 0) < 0) {
- syslog(LOG_ERR, "Couldn't set transmit ACCM: %m");
+ error("Couldn't set transmit ACCM: %m");
}
cf[0] = (pcomp? COMP_PROT: 0) + (accomp? COMP_AC: 0);
cf[1] = COMP_PROT | COMP_AC;
if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
- syslog(LOG_ERR, "Couldn't set prot/AC compression: %m");
+ error("Couldn't set prot/AC compression: %m");
}
}
{
if (strioctl(pppfd, PPPIO_XACCM, accm, sizeof(ext_accm), 0) < 0) {
if (!hungup || errno != ENXIO)
- syslog(LOG_WARNING, "Couldn't set extended ACCM: %m");
+ warn("Couldn't set extended ACCM: %m");
}
}
if (strioctl(pppfd, PPPIO_MRU, &mru, sizeof(mru), 0) < 0) {
if (hungup && errno == ENXIO)
return;
- syslog(LOG_ERR, "Couldn't set MRU: %m");
+ error("Couldn't set MRU: %m");
}
if (strioctl(pppfd, PPPIO_RACCM, &asyncmap, sizeof(asyncmap), 0) < 0) {
- syslog(LOG_ERR, "Couldn't set receive ACCM: %m");
+ error("Couldn't set receive ACCM: %m");
}
cf[0] = (pcomp? DECOMP_PROT: 0) + (accomp? DECOMP_AC: 0);
cf[1] = DECOMP_PROT | DECOMP_AC;
if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
- syslog(LOG_ERR, "Couldn't set prot/AC decompression: %m");
+ error("Couldn't set prot/AC decompression: %m");
}
}
wait_time(&tval);
}
if (errno != 0)
- syslog(LOG_ERR, "hard failure trying to get memory for a compressor: %m");
+ error("hard failure trying to get memory for a compressor: %m");
return (errno == ENOSR)? 0: -1;
}
cf[1] = CCP_ISOPEN | CCP_ISUP | CCP_ERROR | CCP_FATALERROR;
if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
if (!hungup || errno != ENXIO)
- syslog(LOG_ERR, "Couldn't set kernel CCP state: %m");
+ error("Couldn't set kernel CCP state: %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
cf[0] = cf[1] = 0;
if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
if (errno != ENXIO && errno != EINVAL)
- syslog(LOG_ERR, "Couldn't get compression flags: %m");
+ error("Couldn't get compression flags: %m");
return 0;
}
return cf[0] & CCP_FATALERROR;
maxcid[0] = xcidcomp;
maxcid[1] = 15; /* XXX should be rmaxcid */
if (strioctl(pppfd, PPPIO_VJINIT, maxcid, sizeof(maxcid), 0) < 0) {
- syslog(LOG_ERR, "Couldn't initialize VJ compression: %m");
+ error("Couldn't initialize VJ compression: %m");
}
}
cf[1] = COMP_VJC + DECOMP_VJC + COMP_VJCCID + DECOMP_VJCCID;
if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
if (vjcomp)
- syslog(LOG_ERR, "Couldn't enable VJ compression: %m");
+ error("Couldn't enable VJ compression: %m");
}
return 1;
{
struct ifreq ifr;
- strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+ strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) < 0) {
- syslog(LOG_ERR, "Couldn't mark interface up (get): %m");
+ error("Couldn't mark interface up (get): %m");
return 0;
}
ifr.ifr_flags |= IFF_UP;
if (ioctl(sockfd, SIOCSIFFLAGS, &ifr) < 0) {
- syslog(LOG_ERR, "Couldn't mark interface up (set): %m");
+ error("Couldn't mark interface up (set): %m");
return 0;
}
if_is_up = 1;
{
struct ifreq ifr;
- strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+ bzero(&ifr, sizeof(ifr));
+ strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) < 0) {
- syslog(LOG_ERR, "Couldn't mark interface down (get): %m");
+ error("Couldn't mark interface down (get): %m");
return 0;
}
if ((ifr.ifr_flags & IFF_UP) != 0) {
ifr.ifr_flags &= ~IFF_UP;
if (ioctl(sockfd, SIOCSIFFLAGS, &ifr) < 0) {
- syslog(LOG_ERR, "Couldn't mark interface down (set): %m");
+ error("Couldn't mark interface down (set): %m");
return 0;
}
}
npi[0] = proto;
npi[1] = (int) mode;
if (strioctl(pppfd, PPPIO_NPMODE, npi, 2 * sizeof(int), 0) < 0) {
- syslog(LOG_ERR, "ioctl(set NP %d mode to %d): %m", proto, mode);
+ error("ioctl(set NP %d mode to %d): %m", proto, mode);
return 0;
}
return 1;
/* flush old address, if any
*/
bzero(&ifr, sizeof (ifr));
- strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
+ 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)
&& errno != EADDRNOTAVAIL) {
- syslog(LOG_ERR, "ioctl(SIOCDIFADDR): %m");
+ error("ioctl(SIOCDIFADDR): %m");
ret = 0;
}
bzero(&addreq, sizeof (addreq));
- strncpy(addreq.ifra_name, ifname, sizeof (addreq.ifra_name));
+ 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;
if (m != 0) {
((struct sockaddr_in *)&addreq.ifra_mask)->sin_addr.s_addr = m;
addreq.ifra_mask.sa_len = sizeof (struct sockaddr);
- syslog(LOG_INFO, "Setting interface mask to %s\n", ip_ntoa(m));
+ info("Setting interface mask to %s\n", ip_ntoa(m));
}
/* install new src/dst and (possibly) netmask
*/
if (ioctl(sockfd, SIOCPIFADDR, &addreq) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCPIFADDR): %m");
+ error("ioctl(SIOCPIFADDR): %m");
ret = 0;
}
- ifr.ifr_metric = link_mtu;
+ ifr.ifr_data = (caddr_t)&link_mtu;
+
if (ioctl(sockfd, SIOCSIPMTU, &ifr) < 0) {
- syslog(LOG_ERR, "Couldn't set IP MTU: %m");
+ error("Couldn't set IP MTU: %m");
ret = 0;
}
struct ifreq ifr;
ifaddrs[0] = 0;
+ ifaddrs[1] = 0;
bzero(&ifr, sizeof (ifr));
- strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
+ 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) {
- syslog(LOG_ERR, "ioctl(SIOCDIFADDR): %m");
+ error("ioctl(SIOCDIFADDR): %m");
return 0;
}
return 1;
((struct sockaddr_in *) &rt.rt_gateway)->sin_addr.s_addr = g;
rt.rt_flags = RTF_GATEWAY;
if (ioctl(sockfd, (int)SIOCADDRT, &rt) < 0) {
- syslog(LOG_ERR, "default route ioctl(SIOCADDRT): %m");
+ error("default route ioctl(SIOCADDRT): %m");
return 0;
}
default_route_gateway = g;
((struct sockaddr_in *) &rt.rt_gateway)->sin_addr.s_addr = g;
rt.rt_flags = RTF_GATEWAY;
if (ioctl(sockfd, (int)SIOCDELRT, &rt) < 0) {
- syslog(LOG_ERR, "default route ioctl(SIOCDELRT): %m");
+ error("default route ioctl(SIOCDELRT): %m");
return 0;
}
default_route_gateway = 0;
* as our local address.
*/
if (!get_ether_addr(hisaddr, &arpreq.arp_ha)) {
- syslog(LOG_WARNING, "Cannot determine ethernet address for proxy ARP");
+ warn("Cannot determine ethernet address for proxy ARP");
return 0;
}
((struct sockaddr_in *) &arpreq.arp_pa)->sin_addr.s_addr = hisaddr;
arpreq.arp_flags = ATF_PERM | ATF_PUBL;
if (ioctl(sockfd, (int)SIOCSARP, (caddr_t)&arpreq) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCSARP): %m");
+ error("ioctl(SIOCSARP): %m");
return 0;
}
SET_SA_FAMILY(arpreq.arp_pa, AF_INET);
((struct sockaddr_in *) &arpreq.arp_pa)->sin_addr.s_addr = hisaddr;
if (ioctl(sockfd, (int)SIOCDARP, (caddr_t)&arpreq) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCDARP): %m");
+ error("ioctl(SIOCDARP): %m");
return 0;
}
proxy_arp_addr = 0;
ifc.ifc_len = sizeof(ifs);
ifc.ifc_req = ifs;
if (ioctl(sockfd, SIOCGIFCONF, &ifc) < 0) {
- syslog(LOG_ERR, "ioctl(SIOCGIFCONF): %m");
+ error("ioctl(SIOCGIFCONF): %m");
return 0;
}
* Check that the interface is up, and not point-to-point
* or loopback.
*/
- strncpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
+ strlcpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
if (ioctl(sockfd, SIOCGIFFLAGS, &ifreq) < 0)
continue;
if ((ifreq.ifr_flags &
if (ifr >= ifend)
return 0;
- syslog(LOG_INFO, "found interface %s for proxy arp", ifr->ifr_name);
+ info("found interface %s for proxy arp", ifr->ifr_name);
- strncpy(ifdevreq.ifr_name, ifr->ifr_name, sizeof(ifdevreq.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)) {
- (void)strncpy(ut.ut_line, line, sizeof(ut.ut_line));
- (void)strncpy(ut.ut_name, name, sizeof(ut.ut_name));
- (void)strncpy(ut.ut_host, host, sizeof(ut.ut_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);
if (ifc.ifc_req == 0)
return mask;
if (ioctl(sockfd, SIOCGIFCONF, &ifc) < 0) {
- syslog(LOG_WARNING, "Couldn't get system interface list: %m");
+ warn("Couldn't get system interface list: %m");
return mask;
}
ifend = (struct ifreq *) (ifc.ifc_buf + ifc.ifc_len);
/*
* Check that the interface is up, and not point-to-point or loopback.
*/
- strncpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.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))
return mask;
}
+/*
+ * have_route_to - determine if the system has any route to
+ * a given IP address. `addr' is in network byte order.
+ * For demand mode to work properly, we have to ignore routes
+ * through our own interface.
+ */
+int have_route_to(u_int32_t addr)
+{
+ return -1;
+}
+
static int
strioctl(fd, cmd, ptr, ilen, olen)
int fd, cmd, ilen, olen;
if (ioctl(fd, I_STR, &str) == -1)
return -1;
if (str.ic_len != olen)
- syslog(LOG_DEBUG, "strioctl: expected %d bytes, got %d for cmd %x\n",
+ dbglog("strioctl: expected %d bytes, got %d for cmd %x\n",
olen, str.ic_len, cmd);
return 0;
}
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.
char hdb_lock_buffer[12];
int fd, pid, n;
char *p;
+ size_t l;
if ((p = strrchr(dev, '/')) != NULL)
dev = p + 1;
- lock_file = malloc(strlen(LOCK_PREFIX) + strlen(dev) + 1);
+ l = strlen(LOCK_PREFIX) + strlen(dev) + 1;
+ lock_file = malloc(l);
if (lock_file == NULL)
novm("lock file name");
- strcat(strcpy(lock_file, LOCK_PREFIX), dev);
+ slprintf(lock_file, l, "%s%s", LOCK_PREFIX, dev);
while ((fd = open(lock_file, O_EXCL | O_CREAT | O_RDWR, 0644)) < 0) {
if (errno == EEXIST
n = read(fd, &pid, sizeof(pid));
#endif
if (n <= 0) {
- syslog(LOG_ERR, "Can't read pid from lock file %s", lock_file);
+ error("Can't read pid from lock file %s", lock_file);
close(fd);
} else {
if (kill(pid, 0) == -1 && errno == ESRCH) {
/* pid no longer exists - remove the lock file */
if (unlink(lock_file) == 0) {
close(fd);
- syslog(LOG_NOTICE, "Removed stale lock on %s (pid %d)",
+ notice("Removed stale lock on %s (pid %d)",
dev, pid);
continue;
} else
- syslog(LOG_WARNING, "Couldn't remove stale lock on %s",
+ warn("Couldn't remove stale lock on %s",
dev);
} else
- syslog(LOG_NOTICE, "Device %s is locked by pid %d",
+ notice("Device %s is locked by pid %d",
dev, pid);
}
close(fd);
} else
- syslog(LOG_ERR, "Can't create lock file %s: %m", lock_file);
+ error("Can't create lock file %s: %m", lock_file);
free(lock_file);
lock_file = NULL;
return -1;
}
#ifdef PIDSTRING
- sprintf(hdb_lock_buffer, "%10d\n", getpid());
+ slprintf(hdb_lock_buffer, sizeof(hdb_lock_buffer), "%10d\n", getpid());
write(fd, hdb_lock_buffer, 11);
#else
pid = getpid();
lock_file = NULL;
}
}
+#endif
int
set_filters(pass, active)
projects / ppp.git / blobdiff