1 files changed, 13 insertions, 37 deletions

diff --git a/nchan.c b/nchan.c
index ff7607b9c..76674a76d 100644
--- a/nchan.c
+++ b/nchan.c
@@ -23,7 +23,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: nchan.c,v 1.38 2002/01/14 13:22:35 markus Exp $");
+RCSID("$OpenBSD: nchan.c,v 1.39 2002/01/14 13:34:07 markus Exp $");
 
 #include "ssh1.h"
 #include "ssh2.h"
@@ -159,8 +159,14 @@ chan_ibuf_empty1(Channel *c)
         }
         switch (c->istate) {
         case CHAN_INPUT_WAIT_DRAIN:
-                chan_send_ieof1(c);
-                chan_set_istate(c, CHAN_INPUT_WAIT_OCLOSE);
+                if (compat20) {
+                        if (!(c->flags & CHAN_CLOSE_SENT))
+                                chan_send_eof2(c);
+                        chan_set_istate(c, CHAN_INPUT_CLOSED);
+                } else {
+                        chan_send_ieof1(c);
+                        chan_set_istate(c, CHAN_INPUT_WAIT_OCLOSE);
+                }
                 break;
         default:
                 error("channel %d: chan_ibuf_empty for istate %d",
@@ -218,7 +224,8 @@ chan_obuf_empty1(Channel *c)
         switch (c->ostate) {
         case CHAN_OUTPUT_WAIT_DRAIN:
                 chan_shutdown_write(c);
-                chan_send_oclose1(c);
+                if (!compat20)
+                        chan_send_oclose1(c);
                 chan_set_ostate(c, CHAN_OUTPUT_CLOSED);
                 break;
         default:
@@ -301,23 +308,7 @@ chan_rcvd_oclose2(Channel *c)
 static void
 chan_ibuf_empty2(Channel *c)
 {
-        debug("channel %d: ibuf empty", c->self);
-        if (buffer_len(&c->input)) {
-                error("channel %d: chan_ibuf_empty for non empty buffer",
-                    c->self);
-                return;
-        }
-        switch (c->istate) {
-        case CHAN_INPUT_WAIT_DRAIN:
-                if (!(c->flags & CHAN_CLOSE_SENT))
-                        chan_send_eof2(c);
-                chan_set_istate(c, CHAN_INPUT_CLOSED);
-                break;
-        default:
-                error("channel %d: chan_ibuf_empty for istate %d",
-                    c->self, c->istate);
-                break;
-        }
+        chan_ibuf_empty1(c);
 }
 static void
 chan_rcvd_ieof2(Channel *c)
@@ -348,22 +339,7 @@ chan_write_failed2(Channel *c)
 static void
 chan_obuf_empty2(Channel *c)
 {
-        debug("channel %d: obuf empty", c->self);
-        if (buffer_len(&c->output)) {
-                error("channel %d: chan_obuf_empty for non empty buffer",
-                    c->self);
-                return;
-        }
-        switch (c->ostate) {
-        case CHAN_OUTPUT_WAIT_DRAIN:
-                chan_shutdown_write(c);
-                chan_set_ostate(c, CHAN_OUTPUT_CLOSED);
-                break;
-        default:
-                error("channel %d: chan_obuf_empty for ostate %d",
-                    c->self, c->ostate);
-                break;
-        }
+        chan_obuf_empty1(c);
 }
 static void
 chan_send_eof2(Channel *c)