couple more get_pty's

[ppp.git] / pppd / sys-sunos4.c

diff --git a/pppd/sys-sunos4.c b/pppd/sys-sunos4.c
index ba2cc3c7953cd1e57071567464221018575863f1..ea3deeb36ae5ddeaaa99afb5e986f48292f463c3 100644 (file)
--- a/pppd/sys-sunos4.c
+++ b/pppd/sys-sunos4.c
@@ -26,7 +26,7 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: sys-sunos4.c,v 1.16 1999/03/19 01:29:47 paulus Exp $";
+static char rcsid[] = "$Id: sys-sunos4.c,v 1.19 1999/04/01 07:20:11 paulus Exp $";
 #endif
 
 #include <stdio.h>
@@ -617,6 +617,44 @@ wait_input(timo)
        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
@@ -643,7 +681,7 @@ wait_time(timo)
     if (n < 0 && errno != EINTR)
        fatal("select: %m");
 }
-
+#endif
 
 /*
  * read_packet - get a PPP packet from the serial device.
@@ -821,6 +859,25 @@ 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
@@ -1423,6 +1480,56 @@ unlock()
     }
 }
 
+/*
+ * 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 :-(
  */