X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Ftty.c;h=4bac6484f4e063a49af6994090a9af6f74b25c68;hb=0f9a7931d88adb8df9d962997c7cd92969f1d80d;hp=9fa0326cb0ca2d438eb181289d8cd3b0849b3d1b;hpb=cb67581446e926290c6147634f7f467f48c806b5;p=ppp.git

diff --git a/pppd/tty.c b/pppd/tty.c
index 9fa0326..4bac648 100644
--- a/pppd/tty.c
+++ b/pppd/tty.c
@@ -73,7 +73,7 @@
  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#define RCSID	"$Id: tty.c,v 1.11 2003/03/03 05:11:46 paulus Exp $"
+#define RCSID	"$Id: tty.c,v 1.16 2004/10/28 00:16:37 paulus Exp $"
 
 #include <stdio.h>
 #include <ctype.h>
@@ -108,7 +108,7 @@ int  connect_tty __P((void));
 void disconnect_tty __P((void));
 void tty_close_fds __P((void));
 void cleanup_tty __P((void));
-int  tty_do_send_config __P((int, u_int32_t, int, int));
+void tty_do_send_config __P((int, u_int32_t, int, int));
 
 static int setdevname __P((char *, char **, int));
 static int setspeed __P((char *, char **, int));
@@ -300,7 +300,7 @@ setdevname(cp, argv, doit)
 	if (*cp == 0)
 		return 0;
 
-	if (strncmp("/dev/", cp, 5) != 0) {
+	if (*cp != '/') {
 		strlcpy(dev, "/dev/", sizeof(dev));
 		strlcat(dev, cp, sizeof(dev));
 		cp = dev;
@@ -512,7 +512,9 @@ int connect_tty()
 {
 	char *connector;
 	int fdflags;
+#ifndef __linux__
 	struct stat statbuf;
+#endif
 	char numbuf[16];
 
 	/*
@@ -580,6 +582,11 @@ int connect_tty()
 		    || fcntl(ttyfd, F_SETFL, fdflags & ~O_NONBLOCK) < 0)
 			warn("Couldn't reset non-blocking mode on device: %m");
 
+#ifndef __linux__
+		/*
+		 * Linux 2.4 and above blocks normal writes to the tty
+		 * when it is in PPP line discipline, so this isn't needed.
+		 */
 		/*
 		 * Do the equivalent of `mesg n' to stop broadcast messages.
 		 */
@@ -588,6 +595,7 @@ int connect_tty()
 			warn("Couldn't restrict write permissions to %s: %m", devnam);
 		} else
 			tty_mode = statbuf.st_mode;
+#endif /* __linux__ */
 
 		/*
 		 * Set line speed, flow control, etc.
@@ -772,14 +780,14 @@ void cleanup_tty()
  * tty_do_send_config - set transmit-side PPP configuration.
  * We set the extended transmit ACCM here as well.
  */
-int
+void
 tty_do_send_config(mtu, accm, pcomp, accomp)
     int mtu;
     u_int32_t accm;
     int pcomp, accomp;
 {
 	tty_set_xaccm(xmit_accm);
-	return tty_send_config(mtu, accm, pcomp, accomp);
+	tty_send_config(mtu, accm, pcomp, accomp);
 }
 
 /*
@@ -800,12 +808,12 @@ finish_tty()
 
 	restore_tty(real_ttyfd);
 
+#ifndef __linux__
 	if (tty_mode != (mode_t) -1) {
-		if (fchmod(real_ttyfd, tty_mode) != 0) {
-			/* XXX if devnam is a symlink, this will change the link */
-			chmod(devnam, tty_mode);
-		}
+		if (fchmod(real_ttyfd, tty_mode) != 0)
+			error("Couldn't restore tty permissions");
 	}
+#endif /* __linux__ */
 
 	close(real_ttyfd);
 	real_ttyfd = -1;