X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Fsys-sunos4.c;h=68976414e1cd182baceac5404e446947ab2770a3;hb=3f2fe49d822135c209e9896f666b748cf2234f2e;hp=40117422cf9a9e0f9c5798da38a68722966fe447;hpb=ee9e29919a9c98b9c9b3805ebe9e975a9d143d73;p=ppp.git

diff --git a/pppd/sys-sunos4.c b/pppd/sys-sunos4.c
index 4011742..6897641 100644
--- a/pppd/sys-sunos4.c
+++ b/pppd/sys-sunos4.c
@@ -25,9 +25,7 @@
  * OR MODIFICATIONS.
  */
 
-#ifndef lint
-static char rcsid[] = "$Id: sys-sunos4.c,v 1.15 1999/03/16 22:53:48 paulus Exp $";
-#endif
+#define RCSID	"$Id: sys-sunos4.c,v 1.25 1999/12/23 01:38:19 paulus Exp $"
 
 #include <stdio.h>
 #include <stddef.h>
@@ -67,6 +65,8 @@ extern void *alloca();
 #endif
 #endif /*sparc*/
 
+static const char rcsid[] = RCSID;
+
 static int	pppfd;
 static int	fdmuxid = -1;
 static int	iffd;
@@ -201,7 +201,7 @@ sys_check_options()
     return 1;
 }
 
-
+#if 0
 /*
  * daemon - Detach us from controlling terminal session.
  */
@@ -225,6 +225,7 @@ daemon(nochdir, noclose)
     }
     return 0;
 }
+#endif
 
 /*
  * ppp_available - check whether the system has any ppp interfaces
@@ -613,10 +614,53 @@ wait_input(timo)
     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
@@ -643,7 +687,7 @@ wait_time(timo)
     if (n < 0 && errno != EINTR)
 	fatal("select: %m");
 }
-
+#endif
 
 /*
  * read_packet - get a PPP packet from the serial device.
@@ -664,7 +708,7 @@ read_packet(buf)
 	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");
 	}
@@ -729,7 +773,7 @@ ppp_send_config(unit, mtu, asyncmap, pcomp, accomp)
 
     /* set mtu for ip as well */
     memset(&ifr, 0, sizeof(ifr));
-    strlcpy(ifr.ifr_name, sizeof(ifr.ifr_name), ifname);
+    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");
@@ -821,6 +865,25 @@ get_idle_time(u, ip)
     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
@@ -880,7 +943,7 @@ sifup(u)
 {
     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;
@@ -903,7 +966,7 @@ sifdown(u)
 {
     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 down (get): %m");
 	return 0;
@@ -952,7 +1015,7 @@ sifaddr(u, o, h, m)
     struct ifreq ifr;
 
     memset(&ifr, 0, sizeof(ifr));
-    strlcpy(ifr.ifr_name, sizeof(ifr.ifr_name), ifname);
+    strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
     ifr.ifr_addr.sa_family = AF_INET;
     INET_ADDR(ifr.ifr_addr) = m;
     if (ioctl(sockfd, SIOCSIFNETMASK, &ifr) < 0) {
@@ -1141,7 +1204,7 @@ get_ether_addr(ipaddr, hwaddr)
              * 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 &
@@ -1174,7 +1237,7 @@ get_ether_addr(ipaddr, hwaddr)
 	error("Couldn't open /dev/nit: %m");
 	return 0;
     }
-    strlcpy(ifreq.ifr_name, sizeof(ifreq.ifr_name), ifr->ifr_name);
+    strlcpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
     if (ioctl(nit_fd, NIOCBIND, &ifreq) < 0
 	|| ioctl(nit_fd, SIOCGIFADDR, &ifreq) < 0) {
 	error("Couldn't get hardware address for %s: %m",
@@ -1214,9 +1277,9 @@ logwtmp(line, name, host)
     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);
@@ -1274,7 +1337,7 @@ GetMask(addr)
 	/*
 	 * 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))
@@ -1319,6 +1382,7 @@ get_host_seed()
     return gethostid();
 }
 
+#if 0
 /*
  * Code for locking/unlocking the serial device.
  * This code is derived from chat.c.
@@ -1422,6 +1486,57 @@ unlock()
 	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 :-(