]> git.ozlabs.org Git - ppp.git/blobdiff - pppd/tty.c
Stop the charshunt process after running the disconnector,
[ppp.git] / pppd / tty.c
index 30d476559f6c32a3604f5495d90a4a54ac9ab005..1ef8a52eacae3bf8a6560005c2659214e1186622 100644 (file)
@@ -68,7 +68,7 @@
  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#define RCSID  "$Id: tty.c,v 1.19 2004/11/06 05:42:29 paulus Exp $"
+#define RCSID  "$Id: tty.c,v 1.24 2005/07/12 01:09:05 paulus Exp $"
 
 #include <stdio.h>
 #include <ctype.h>
@@ -152,6 +152,8 @@ int using_pty = 0;          /* we're allocating a pty as the device */
 
 extern uid_t uid;
 extern int kill_link;
+extern int asked_to_quit;
+extern int got_sigterm;
 
 /* XXX */
 extern int privopen;           /* don't lock, open device as root */
@@ -443,7 +445,12 @@ tty_check_options()
        struct stat statbuf;
        int fdflags;
 
-       if (demand && connect_script == 0) {
+       if (demand && notty) {
+               option_error("demand-dialling is incompatible with notty");
+               exit(EXIT_OPTION_ERROR);
+       }
+       if (demand && connect_script == 0 && ptycommand == NULL
+           && pty_socket == NULL) {
                option_error("connect script is required for demand-dialling\n");
                exit(EXIT_OPTION_ERROR);
        }
@@ -547,7 +554,7 @@ int connect_tty()
         * in order to wait for the carrier detect signal from the modem.
         */
        hungup = 0;
-       kill_link = 0;
+       got_sigterm = 0;
        connector = doing_callback? callback_script: connect_script;
        if (devnam[0] != 0) {
                for (;;) {
@@ -644,6 +651,12 @@ int connect_tty()
        } else if (notty) {
                if (!start_charshunt(0, 1))
                        goto errret;
+               dup2(fd_devnull, 0);
+               dup2(fd_devnull, 1);
+               if (log_to_fd == 1)
+                       log_to_fd = -1;
+               if (log_to_fd != 2)
+                       dup2(fd_devnull, 2);
        } else if (record_file != NULL) {
                int fd = dup(ttyfd);
                if (!start_charshunt(fd, fd))
@@ -673,7 +686,7 @@ int connect_tty()
                                status = EXIT_INIT_FAILED;
                                goto errret;
                        }
-                       if (kill_link) {
+                       if (got_sigterm) {
                                disconnect_tty();
                                goto errret;
                        }
@@ -686,7 +699,7 @@ int connect_tty()
                                status = EXIT_CONNECT_FAILED;
                                goto errret;
                        }
-                       if (kill_link) {
+                       if (got_sigterm) {
                                disconnect_tty();
                                goto errret;
                        }
@@ -712,7 +725,7 @@ int connect_tty()
                                error("Failed to reopen %s: %m", devnam);
                                status = EXIT_OPEN_FAILED;
                        }
-                       if (!persist || errno != EINTR || hungup || kill_link)
+                       if (!persist || errno != EINTR || hungup || got_sigterm)
                                goto errret;
                }
                close(i);
@@ -732,7 +745,7 @@ int connect_tty()
         * time for something from the peer.  This can avoid bouncing
         * our packets off his tty before he has it set up.
         */
-       if (connector != NULL || ptycommand != NULL)
+       if (connector != NULL || ptycommand != NULL || pty_socket != NULL)
                listen_time = connect_delay;
 
        return ttyfd;
@@ -742,15 +755,9 @@ int connect_tty()
                close(pty_master);
                pty_master = -1;
        }
-       if (pty_slave >= 0) {
-               close(pty_slave);
-               pty_slave = -1;
-       }
-       if (real_ttyfd >= 0) {
-               close(real_ttyfd);
-               real_ttyfd = -1;
-       }
        ttyfd = -1;
+       if (got_sigterm)
+               asked_to_quit = 1;
        return -1;
 }
 
@@ -766,6 +773,7 @@ void disconnect_tty()
        } else {
                info("Serial link disconnected.");
        }
+       stop_charshunt(NULL, 0);
 }
 
 void tty_close_fds()
@@ -929,7 +937,6 @@ start_charshunt(ifd, ofd)
        exit(0);
     }
     charshunt_pid = cpid;
-    add_notifier(&sigreceived, stop_charshunt, 0);
     record_child(cpid, "pppd (charshunt)", charshunt_done, NULL);
     return 1;
 }