* OR MODIFICATIONS.
*/
-#ifndef lint
-static char rcsid[] = "$Id: sys-sunos4.c,v 1.16 1999/03/19 01:29:47 paulus Exp $";
-#endif
+#define RCSID "$Id: sys-sunos4.c,v 1.27 2001/04/27 23:16:13 paulus Exp $"
#include <stdio.h>
#include <stddef.h>
#endif
#endif /*sparc*/
+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;
}
+#endif
/*
* ppp_available - check whether the system has any ppp interfaces
}
/*
- * establish_ppp - Turn the serial port into a ppp interface.
+ * tty_establish_ppp - Turn the serial port into a ppp interface.
*/
int
-establish_ppp(fd)
+tty_establish_ppp(fd)
int fd;
{
int i;
return pppfd;
}
-/*
- * restore_loop - reattach the ppp unit to the loopback.
- * This doesn't need to do anything because disestablish_ppp does it.
- */
-void
-restore_loop()
-{
-}
-
/*
* disestablish_ppp - Restore the serial port to normal operation.
* It attempts to reconstruct the stream with the previously popped
* modules. This shouldn't call die() because it's called from die().
*/
void
-disestablish_ppp(fd)
+tty_disestablish_ppp(fd)
int fd;
{
int i;
int t;
t = timo == NULL? -1: timo->tv_sec * 1000 + timo->tv_usec / 1000;
- if (poll(pollfds, n_pollfds, t) < 0 && errno != EINTR)
- fatal("poll: %m");
+ if (poll(pollfds, n_pollfds, t) < 0 && errno != EINTR) {
+ if (errno != EAGAIN)
+ fatal("poll: %m");
+ /* we can get EAGAIN on a heavily loaded system,
+ * just wait a short time and try again. */
+ usleep(50000);
+ }
}
+/*
+ * 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
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 == EINTR)
+ if (errno == EAGAIN || errno == EINTR)
return -1;
fatal("Error reading packet: %m");
}
}
/*
- * ppp_send_config - configure the transmit characteristics of
- * the ppp interface.
+ * netif_set_mtu - set the MTU on the PPP network interface.
*/
void
-ppp_send_config(unit, mtu, asyncmap, pcomp, accomp)
+netif_set_mtu(unit, mtu)
int unit, mtu;
+{
+ struct ifreq ifr;
+
+ memset(&ifr, 0, sizeof(ifr));
+ strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+ ifr.ifr_metric = link_mtu;
+ if (ioctl(sockfd, SIOCSIFMTU, &ifr) < 0) {
+ error("Couldn't set IP MTU: %m");
+ }
+}
+
+/*
+ * tty_send_config - configure the transmit characteristics of
+ * the ppp interface.
+ */
+void
+tty_send_config(mtu, asyncmap, pcomp, accomp)
+ int mtu;
u_int32_t asyncmap;
int pcomp, accomp;
{
int cf[2];
- struct ifreq ifr;
link_mtu = mtu;
if (strioctl(pppfd, PPPIO_MTU, &mtu, sizeof(mtu), 0) < 0) {
if (strioctl(pppfd, PPPIO_CFLAGS, cf, sizeof(cf), sizeof(int)) < 0) {
error("Couldn't set prot/AC compression: %m");
}
-
- /* set mtu for ip as well */
- memset(&ifr, 0, sizeof(ifr));
- strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
- ifr.ifr_metric = link_mtu;
- if (ioctl(sockfd, SIOCSIFMTU, &ifr) < 0) {
- error("Couldn't set IP MTU: %m");
- }
}
/*
- * ppp_set_xaccm - set the extended transmit ACCM for the interface.
+ * tty_set_xaccm - set the extended transmit ACCM for the interface.
*/
void
-ppp_set_xaccm(unit, accm)
+tty_set_xaccm(unit, accm)
int unit;
ext_accm accm;
{
}
/*
- * ppp_recv_config - configure the receive-side characteristics of
+ * tty_recv_config - configure the receive-side characteristics of
* the ppp interface.
*/
void
-ppp_recv_config(unit, mru, asyncmap, pcomp, accomp)
- int unit, mru;
+tty_recv_config(mru, asyncmap, pcomp, accomp)
+ int mru;
u_int32_t asyncmap;
int pcomp, accomp;
{
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;
+ stats->pkts_in = s.p.ppp_ipackets;
+ stats->pkts_out = s.p.ppp_opackets;
+ return 1;
+}
+
/*
* ccp_fatal_error - returns 1 if decompression was disabled as a
if ((fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) < 0)
return;
if (!fstat(fd, &buf)) {
- strlcpy(ut.ut_line, line, sizeof(ut.ut_line));
- strlcpy(ut.ut_name, name, sizeof(ut.ut_name));
- strlcpy(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);
return gethostid();
}
+#if 0
/*
* Code for locking/unlocking the serial device.
* This code is derived from chat.c.
lock_file = NULL;
}
}
+#endif /* lock stuff removed */
+
+/*
+ * 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;
+}
/*
* SunOS doesn't have strtoul :-(