- Fix sshd BindAddress and -b options for systems using fake-getaddrinfo.

[openssh.git] / nchan.c

diff --git a/nchan.c b/nchan.c
index 070f14a7ae3c52b2440a81b0be9bfcd6d6c05396..bce7325b3fcdc122b13fec3ca7ec7790a9ab9bc6 100644 (file)
--- a/nchan.c
+++ b/nchan.c
@@ -23,7 +23,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: nchan.c,v 1.43 2002/01/14 13:57:03 markus Exp $");
+RCSID("$OpenBSD: nchan.c,v 1.47 2002/06/19 00:27:55 deraadt Exp $");
 
 #include "ssh1.h"
 #include "ssh2.h"
@@ -302,6 +302,7 @@ static void
 chan_rcvd_eof2(Channel *c)
 {
        debug("channel %d: rcvd eof", c->self);
+       c->flags |= CHAN_EOF_RCVD;
        if (c->ostate == CHAN_OUTPUT_OPEN)
                chan_set_ostate(c, CHAN_OUTPUT_WAIT_DRAIN);
 }
@@ -330,6 +331,7 @@ chan_send_eof2(Channel *c)
                packet_start(SSH2_MSG_CHANNEL_EOF);
                packet_put_int(c->remote_id);
                packet_send();
+               c->flags |= CHAN_EOF_SENT;
                break;
        default:
                error("channel %d: cannot send eof for istate %d",
@@ -364,6 +366,10 @@ chan_rcvd_ieof(Channel *c)
                chan_rcvd_eof2(c);
        else
                chan_rcvd_ieof1(c);
+       if (c->ostate == CHAN_OUTPUT_WAIT_DRAIN &&
+           buffer_len(&c->output) == 0 &&
+           !CHANNEL_EFD_OUTPUT_ACTIVE(c))
+               chan_obuf_empty(c);
 }
 void
 chan_rcvd_oclose(Channel *c)
@@ -401,39 +407,30 @@ chan_is_dead(Channel *c, int send)
                debug("channel %d: is dead", c->self);
                return 1;
        }
-       /*
-        * we have to delay the close message if the efd (for stderr) is
-        * still active
-        */
-       if (((c->extended_usage != CHAN_EXTENDED_IGNORE) &&
-           buffer_len(&c->extended) > 0)
-#if 0
-           || ((c->extended_usage == CHAN_EXTENDED_READ) &&
-           c->efd != -1)
-#endif
-           ) {
-               debug2("channel %d: active efd: %d len %d type %s",
-                   c->self, c->efd, buffer_len(&c->extended),
-                   c->extended_usage==CHAN_EXTENDED_READ ?
-                   "read": "write");
-       } else {
-               if (!(c->flags & CHAN_CLOSE_SENT)) {
-                       if (send) {
-                               chan_send_close2(c);
-                       } else {
-                               /* channel would be dead if we sent a close */
-                               if (c->flags & CHAN_CLOSE_RCVD) {
-                                       debug("channel %d: almost dead",
-                                           c->self);
-                                       return 1;
-                               }
+       if ((datafellows & SSH_BUG_EXTEOF) &&
+           c->extended_usage == CHAN_EXTENDED_WRITE &&
+           c->efd != -1 &&
+           buffer_len(&c->extended) > 0) {
+               debug2("channel %d: active efd: %d len %d",
+                   c->self, c->efd, buffer_len(&c->extended));
+               return 0;
+       }
+       if (!(c->flags & CHAN_CLOSE_SENT)) {
+               if (send) {
+                       chan_send_close2(c);
+               } else {
+                       /* channel would be dead if we sent a close */
+                       if (c->flags & CHAN_CLOSE_RCVD) {
+                               debug("channel %d: almost dead",
+                                   c->self);
+                               return 1;
                        }
                }
-               if ((c->flags & CHAN_CLOSE_SENT) &&
-                   (c->flags & CHAN_CLOSE_RCVD)) {
-                       debug("channel %d: is dead", c->self);
-                       return 1;
-               }
+       }
+       if ((c->flags & CHAN_CLOSE_SENT) &&
+           (c->flags & CHAN_CLOSE_RCVD)) {
+               debug("channel %d: is dead", c->self);
+               return 1;
        }
        return 0;
 }