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-rw-r--r--ChangeLog6
-rw-r--r--channels.c28
-rw-r--r--channels.h5
-rw-r--r--nchan.c10
4 files changed, 35 insertions, 14 deletions
diff --git a/ChangeLog b/ChangeLog
index 3de936f6..f0ffd3fa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -65,6 +65,10 @@
- markus@cvs.openbsd.org 2001/05/28 22:51:11
[cipher.c cipher.h]
simpler 3des for ssh1
+ - markus@cvs.openbsd.org 2001/05/28 23:14:49
+ [channels.c channels.h nchan.c]
+ undo broken channel fix and try a different one. there
+ should be still some select errors...
20010528
- (tim) [conifgure.in] add setvbuf test needed for sftp-int.c
@@ -5495,4 +5499,4 @@
- Wrote replacements for strlcpy and mkdtemp
- Released 1.0pre1
-$Id: ChangeLog,v 1.1242 2001/06/05 20:50:16 mouring Exp $
+$Id: ChangeLog,v 1.1243 2001/06/05 20:52:50 mouring Exp $
diff --git a/channels.c b/channels.c
index d6540560..3eccb849 100644
--- a/channels.c
+++ b/channels.c
@@ -40,7 +40,7 @@
*/
#include "includes.h"
-RCSID("$OpenBSD: channels.c,v 1.117 2001/05/19 19:57:09 stevesk Exp $");
+RCSID("$OpenBSD: channels.c,v 1.118 2001/05/28 23:14:49 markus Exp $");
#include <openssl/rsa.h>
#include <openssl/dsa.h>
@@ -280,6 +280,9 @@ channel_new(char *ctype, int type, int rfd, int wfd, int efd,
void
channel_close_fds(Channel *c)
{
+ debug3("channel_close_fds: channel %d: r %d w %d e %d",
+ c->self, c->rfd, c->wfd, c->efd);
+
if (c->sock != -1) {
close(c->sock);
c->sock = -1;
@@ -304,9 +307,17 @@ void
channel_free(Channel *c)
{
char *s;
+ int i, n;
+
+ for (n = 0, i = 0; i < channels_alloc; i++)
+ if (channels[i])
+ n++;
+
+ debug("channel_free: channel %d: (%s) nchannels: %d", c->self,
+ c->remote_name ? c->remote_name : "???", n);
s = channel_open_message();
- debug("channel_free: channel %d: status: %s", c->self, s);
+ debug3("channel_free: status: %s", c->self, s);
xfree(s);
if (c->dettach_user != NULL) {
@@ -893,7 +904,7 @@ channel_handle_rfd(Channel *c, fd_set * readset, fd_set * writeset)
char buf[16*1024];
int len;
- if (c->istate == CHAN_INPUT_OPEN &&
+ if (c->rfd != -1 &&
FD_ISSET(c->rfd, readset)) {
len = read(c->rfd, buf, sizeof(buf));
if (len < 0 && (errno == EINTR || errno == EAGAIN))
@@ -932,8 +943,7 @@ channel_handle_wfd(Channel *c, fd_set * readset, fd_set * writeset)
int len;
/* Send buffered output data to the socket. */
- if ((c->ostate == CHAN_OUTPUT_OPEN ||
- c->ostate == CHAN_OUTPUT_WAIT_DRAIN) &&
+ if (c->wfd != -1 &&
FD_ISSET(c->wfd, writeset) &&
buffer_len(&c->output) > 0) {
len = write(c->wfd, buffer_ptr(&c->output),
@@ -1164,9 +1174,8 @@ channel_handler(chan_fn *ftab[], fd_set * readset, fd_set * writeset)
c = channels[i];
if (c == NULL)
continue;
- if (ftab[c->type] == NULL)
- continue;
- (*ftab[c->type])(c, readset, writeset);
+ if (ftab[c->type] != NULL)
+ (*ftab[c->type])(c, readset, writeset);
if (chan_is_dead(c)) {
/*
* we have to remove the fd's from the select mask
@@ -1715,6 +1724,7 @@ channel_still_open()
case SSH_CHANNEL_AUTH_SOCKET:
case SSH_CHANNEL_DYNAMIC:
case SSH_CHANNEL_CONNECTING:
+ case SSH_CHANNEL_ZOMBIE:
continue;
case SSH_CHANNEL_LARVAL:
if (!compat20)
@@ -1757,6 +1767,7 @@ channel_find_open()
case SSH_CHANNEL_RPORT_LISTENER:
case SSH_CHANNEL_OPENING:
case SSH_CHANNEL_CONNECTING:
+ case SSH_CHANNEL_ZOMBIE:
continue;
case SSH_CHANNEL_LARVAL:
case SSH_CHANNEL_AUTH_SOCKET:
@@ -1804,6 +1815,7 @@ channel_open_message()
case SSH_CHANNEL_RPORT_LISTENER:
case SSH_CHANNEL_CLOSED:
case SSH_CHANNEL_AUTH_SOCKET:
+ case SSH_CHANNEL_ZOMBIE:
continue;
case SSH_CHANNEL_LARVAL:
case SSH_CHANNEL_OPENING:
diff --git a/channels.h b/channels.h
index 6739b221..55d31854 100644
--- a/channels.h
+++ b/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 1.32 2001/05/04 23:47:33 markus Exp $"); */
+/* RCSID("$OpenBSD: channels.h,v 1.33 2001/05/28 23:14:49 markus Exp $"); */
#ifndef CHANNELS_H
#define CHANNELS_H
@@ -53,7 +53,8 @@
#define SSH_CHANNEL_RPORT_LISTENER 11 /* Listening to a R-style port */
#define SSH_CHANNEL_CONNECTING 12
#define SSH_CHANNEL_DYNAMIC 13
-#define SSH_CHANNEL_MAX_TYPE 14
+#define SSH_CHANNEL_ZOMBIE 14 /* Almost dead. */
+#define SSH_CHANNEL_MAX_TYPE 15
#define SSH_CHANNEL_PATH_LEN 30
diff --git a/nchan.c b/nchan.c
index 38d860ba..957c4561 100644
--- a/nchan.c
+++ b/nchan.c
@@ -23,7 +23,7 @@
*/
#include "includes.h"
-RCSID("$OpenBSD: nchan.c,v 1.25 2001/05/16 22:09:21 markus Exp $");
+RCSID("$OpenBSD: nchan.c,v 1.26 2001/05/28 23:14:49 markus Exp $");
#include "ssh1.h"
#include "ssh2.h"
@@ -394,14 +394,16 @@ chan_send_close2(Channel *c)
void
chan_mark_dead(Channel *c)
{
- c->flags |= CHAN_DEAD;
+ c->type = SSH_CHANNEL_ZOMBIE;
}
int
chan_is_dead(Channel *c)
{
- if (c->flags & CHAN_DEAD)
+ if (c->type == SSH_CHANNEL_ZOMBIE) {
+ debug("channel %d: zombie", c->self);
return 1;
+ }
if (c->istate != CHAN_INPUT_CLOSED || c->ostate != CHAN_OUTPUT_CLOSED)
return 0;
if (!compat20) {
@@ -484,6 +486,7 @@ chan_shutdown_write(Channel *c)
if (close(c->wfd) < 0)
log("channel %d: chan_shutdown_write: close() failed for fd%d: %.100s",
c->self, c->wfd, strerror(errno));
+ c->wfd = -1;
}
}
static void
@@ -506,5 +509,6 @@ chan_shutdown_read(Channel *c)
if (close(c->rfd) < 0)
log("channel %d: chan_shutdown_read: close() failed for fd%d: %.100s",
c->self, c->rfd, strerror(errno));
+ c->rfd = -1;
}
}