- markus@cvs.openbsd.org 2001/06/20 13:56:39

[channels.c channels.h clientloop.c packet.c serverloop.c]
     move from channel_stop_listening to channel_free_all,
     call channel_free_all before calling waitpid() in serverloop.
     fixes the utmp handling; report from Lutz.Jaenicke@aet.TU-Cottbus.DE

ChangeLog

@@ -21,6 +21,11 @@
    - markus@cvs.openbsd.org 2001/06/19 15:40:45
      [session.c]
      allocate and free at the same level.
+   - markus@cvs.openbsd.org 2001/06/20 13:56:39
+     [channels.c channels.h clientloop.c packet.c serverloop.c]
+     move from channel_stop_listening to channel_free_all,
+     call channel_free_all before calling waitpid() in serverloop.
+     fixes the utmp handling; report from Lutz.Jaenicke@aet.TU-Cottbus.DE
 
 20010615
  - (stevesk) don't set SA_RESTART and set SIGCHLD to SIG_DFL
@@ -5673,4 +5678,4 @@
  - Wrote replacements for strlcpy and mkdtemp
  - Released 1.0pre1
 
-$Id: ChangeLog,v 1.1295 2001/06/21 03:17:42 mouring Exp $
+$Id: ChangeLog,v 1.1296 2001/06/21 03:19:23 mouring Exp $

channels.c

@@ -40,7 +40,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: channels.c,v 1.125 2001/06/07 20:23:04 markus Exp $");
+RCSID("$OpenBSD: channels.c,v 1.126 2001/06/20 13:56:39 markus Exp $");
 
 #include "ssh.h"
 #include "ssh1.h"
@@ -223,11 +223,7 @@ channel_new(char *ctype, int type, int rfd, int wfd, int efd,
 		channels = xmalloc(channels_alloc * sizeof(Channel *));
 		for (i = 0; i < channels_alloc; i++)
 			channels[i] = NULL;
-		/*
+		fatal_add_cleanup((void (*) (void *)) channel_free_all, NULL);
-		 * Kludge: arrange a call to channel_stop_listening if we
-		 * terminate with fatal().
-		 */
-		fatal_add_cleanup((void (*) (void *)) channel_stop_listening, NULL);
 	}
 	/* Try to find a free slot where to put the new channel. */
 	for (found = -1, i = 0; i < channels_alloc; i++)
@@ -334,38 +330,14 @@ channel_free(Channel *c)
 	xfree(c);
 }
 
-
-/*
- * Stops listening for channels, and removes any unix domain sockets that we
- * might have.
- */
-
 void
-channel_stop_listening()
+channel_free_all(void)
 {
 	int i;
-	Channel *c;
 
-	for (i = 0; i < channels_alloc; i++) {
+	for (i = 0; i < channels_alloc; i++)
-		c = channels[i];
+		if (channels[i] != NULL)
-		if (c != NULL) {
+			channel_free(channels[i]);
-			switch (c->type) {
-			case SSH_CHANNEL_AUTH_SOCKET:
-				close(c->sock);
-				/* auth_sock_cleanup_proc deletes the socket */
-				channel_free(c);
-				break;
-			case SSH_CHANNEL_PORT_LISTENER:
-			case SSH_CHANNEL_RPORT_LISTENER:
-			case SSH_CHANNEL_X11_LISTENER:
-				close(c->sock);
-				channel_free(c);
-				break;
-			default:
-				break;
-			}
-		}
-	}
 }
 
 /*

channels.h

@@ -32,7 +32,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-/* RCSID("$OpenBSD: channels.h,v 1.38 2001/06/16 08:50:39 markus Exp $"); */
+/* RCSID("$OpenBSD: channels.h,v 1.39 2001/06/20 13:56:39 markus Exp $"); */
 
 #ifndef CHANNEL_H
 #define CHANNEL_H
@@ -150,6 +150,7 @@ void
 channel_set_fds(int id, int rfd, int wfd, int efd,
     int extusage, int nonblock);
 void    channel_free(Channel *c);
+void    channel_free_all(void);
 
 void	channel_send_open(int id);
 void	channel_request(int id, char *service, int wantconfirm);
@@ -182,8 +183,8 @@ void    channel_after_select(fd_set * readset, fd_set * writeset);
 void    channel_output_poll(void);
 
 int     channel_not_very_much_buffered_data(void);
-void    channel_stop_listening(void);
 void    channel_close_all(void);
+void    channel_free_all(void);
 int     channel_still_open(void);
 char   *channel_open_message(void);
 int	channel_find_open(void);

clientloop.c

@@ -59,7 +59,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: clientloop.c,v 1.75 2001/06/04 23:07:20 markus Exp $");
+RCSID("$OpenBSD: clientloop.c,v 1.76 2001/06/20 13:56:39 markus Exp $");
 
 #include "ssh.h"
 #include "ssh1.h"
@@ -546,7 +546,7 @@ process_escapes(Buffer *bin, Buffer *bout, Buffer *berr, char *buf, int len)
 				leave_raw_mode();
 
 				/* Stop listening for new connections. */
-				channel_stop_listening();
+				channel_close_all();	/* proto1 only XXXX */
 
 				printf("%c& [backgrounded]\n", escape_char);
 
@@ -926,8 +926,7 @@ client_loop(int have_pty, int escape_char_arg, int ssh2_chan_id)
 	if (have_pty)
 		signal(SIGWINCH, SIG_DFL);
 
-	/* Stop listening for connections. */
+	channel_free_all();
-	channel_stop_listening();
 
 	if (have_pty)
 		leave_raw_mode();

packet.c

@@ -37,7 +37,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: packet.c,v 1.66 2001/06/12 16:11:26 markus Exp $");
+RCSID("$OpenBSD: packet.c,v 1.67 2001/06/20 13:56:39 markus Exp $");
 
 #include "xmalloc.h"
 #include "buffer.h"
@@ -1085,7 +1085,7 @@ packet_disconnect(const char *fmt,...)
 	packet_write_wait();
 
 	/* Stop listening for connections. */
-	channel_stop_listening();
+	channel_close_all();
 
 	/* Close the connection. */
 	packet_close();

serverloop.c

@@ -35,7 +35,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: serverloop.c,v 1.68 2001/06/04 23:07:20 markus Exp $");
+RCSID("$OpenBSD: serverloop.c,v 1.69 2001/06/20 13:56:39 markus Exp $");
 
 #include "xmalloc.h"
 #include "packet.h"
@@ -608,8 +608,7 @@ server_loop(pid_t pid, int fdin_arg, int fdout_arg, int fderr_arg)
 		close(fdin);
 	fdin = -1;
 
-	/* Stop listening for channels; this removes unix domain sockets. */
+	channel_free_all();
-	channel_stop_listening();
 
 	/* We no longer want our SIGCHLD handler to be called. */
 	signal(SIGCHLD, SIG_DFL);
@@ -700,10 +699,11 @@ server_loop2(void)
 	if (writeset)
 		xfree(writeset);
 
+	channel_free_all();
+
 	signal(SIGCHLD, SIG_DFL);
 	while ((pid = waitpid(-1, &status, WNOHANG)) > 0)
 		session_close_by_pid(pid, status);
-	channel_stop_listening();
 }
 
 void