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112 Commits

Author SHA1 Message Date
Anderson Toshiyuki Sasaki
e5ff7aa410 CVE-2018-10933: Check channel state when OPEN_FAILURE arrives 
When a SSH2_MSG_OPEN_FAILURE arrives, the channel state is checked
to be in SSH_CHANNEL_STATE_OPENING.

Fixes T101

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
 2018-10-09 11:45:59 +02:00
Anderson Toshiyuki Sasaki
3837a0547f CVE-2018-10933: Check channel state when OPEN_CONFIRMATION arrives 
When a SSH2_MSG_OPEN_CONFIRMATION arrives, the channel state is checked
to be in SSH_CHANNEL_STATE_OPENING.

Fixes T101

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
 2018-10-09 11:45:58 +02:00
David Kedves
0bf78b0b8b channels: Bugfix for a possible invalid pointer usage (channel->session) in various places 
BUG: https://red.libssh.org/issues/230

Signed-off-by: David Kedves <kedazo@severalnines.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
(cherry picked from commit d7df4429eb)
 2016-05-02 15:32:16 +02:00
Peter Volpe
03972b16c9 channels: Fix exit-signal data unpacking 
Signed-off-by: Peter Volpe <pvolpe@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
(cherry picked from commit 7637351065)
 2015-06-29 09:50:28 +02:00
Aris Adamantiadis
5aeae08be0 channels: fix exit-status not correctly set 2015-06-03 16:41:19 +02:00
Mike DePaulo
64a658acaa Comment that ssh_forward_cancel() is deprecated. 
Signed-off-by: Aris Adamantiadis <aris@badcode.be>
 2015-05-29 11:30:32 +02:00
Mike DePaulo
361940a5d7 Reintroduce ssh_forward_listen() (Fixes: #194) 
Signed-off-by: Aris Adamantiadis <aris@badcode.be>
 2015-05-29 11:24:27 +02:00
Aris Adamantiadis
506e11fa8b buffers: adapt channels.c to ssh_buffer_(un)pack() 
Reviewed-by: Andreas Schneider <asn@samba.org>
 2014-08-06 09:33:03 +02:00
Gangadhar Sandrani
d6e6a453fc log: Fix log levels. 
Signed-off-by: Gangadhar Sandrani <gangadhar.sandrani@gmail.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2014-04-22 09:35:33 +02:00
Andreas Schneider
adf23533e0 doc: Improve docs for ssh_channel_get_exit_status(). 
BUG: https://red.libssh.org/issues/154
 2014-04-10 08:54:11 +02:00
Andreas Schneider
927cd90dc1 channels: Fix exit-signal request. 
BUG: https://red.libssh.org/issues/153
 2014-04-10 08:54:11 +02:00
Jon Simons
dee8e5688b channel: check for closed state in waitwindow loops 
Signed-off-by: Jon Simons <jon@jonsimons.org>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2014-03-27 10:34:22 +01:00
Audrius Butkevicius
a277dd9277 Add session/channel byte/packet counters 
Signed-off-by: Audrius Butkevicius <audrius.butkevicius@elastichosts.com>
 2014-02-12 18:21:16 +01:00
Jon Simons
f7b61bf557 doc: correct ssh_channel_read_timeout units 
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2014-02-02 22:19:46 +01:00
Oleksandr Shneyder
d904784489 Make function ssh_channel_accept() nonblocking if timeout is 0. 
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2014-02-02 22:19:45 +01:00
Andreas Schneider
cb9786b3ae src: Rename buffer_add_data() to ssh_buffer_add_data(). 2014-01-19 20:55:55 +01:00
Andreas Schneider
9c4144689d src: Rename buffer_init to ssh_buffer_init(). 2014-01-19 20:43:29 +01:00
Andreas Schneider
e745236ae5 doc: Fix channel documentation. 2014-01-17 11:08:49 +01:00
Andreas Schneider
5229253f86 channel: Fix the name scheme of the forward functions. 2014-01-16 09:13:06 +01:00
Oleksandr Shneyder
a1c4fc07d4 channel: Add ssh_channel_accept_forward(). 
This works same way as ssh_forward_accept() but can return a destination
port of the channel (useful if SSH connection forwarding several TCP/IP
ports).

Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2014-01-16 09:12:03 +01:00
Andreas Schneider
6fe51b13fb src: Update my mail address. 2014-01-07 16:08:23 +01:00
Aris Adamantiadis
aecd952d18 update copyright information 2014-01-07 15:18:15 +01:00
Jon Simons
20b5734649 channel: fix setting of channel->flags 
Fix the setting of 'channel->flags' to use '|='.  Before this
change, one bug symptom can be that channels are never fully
free'd via ssh_channel_free, resulting in memory leaks.

Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2013-12-11 21:02:47 +01:00
Andreas Schneider
d65777b570 channels: Add a ssh_channel_read_timeout function. 2013-12-04 20:34:13 +01:00
Jon Simons
3d934f3ddc channel: fix infinite loop in channel_write_common 
BUG: https://red.libssh.org/issues/130

Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2013-11-22 10:34:23 +01:00
Rod Vagg
06cc94eecf flush channel after EOF and CLOSE 2013-11-18 17:22:30 +01:00
Andreas Schneider
6f0f1ef292 doc: Fix doxygen warnings. 2013-11-04 21:55:29 +01:00
Andreas Schneider
e30acdb58a channel: Reinit the buffer and reset the state on error. 
BUG: https://red.libssh.org/issues/126
 2013-10-20 12:46:57 +02:00
Andreas Schneider
b0cbe88b0b channel: Fix ssh_global_request_termination(). 
BUG: https://red.libssh.org/issues/126
 2013-10-20 12:46:17 +02:00
Andreas Schneider
423d8c9b6a channel: Fix packets termination timeout in global_request(). 
BUG: https://red.libssh.org/issues/126
 2013-10-01 14:50:56 +02:00
Andreas Schneider
4eae4d592c channels: Correctly handle timeouts in channel functions. 2013-09-17 11:23:56 +02:00
Andreas Schneider
566d842405 channel: Use the correct timeout option in channel_open(). 
BUG: https://red.libssh.org/issues/124
 2013-09-17 11:19:49 +02:00
Andreas Schneider
3e07359a35 channels: Correctly decrement timeout value in ssh_channel_accept(). 
BUG: https://red.libssh.org/issues/116
 2013-09-16 10:38:14 +02:00
Andreas Schneider
e9242a7a31 channel: Document SSH_AGAIN in ssh_channel_read(). 
BUG: https://red.libssh.org/issues/115
 2013-09-16 10:38:14 +02:00
Andreas Schneider
fc8081cd06 channel: Refactor channel_write_common() code. 
This makes it easier to read and easier to debug.
 2013-08-13 08:22:28 +02:00
Andreas Schneider
7a64dd1b9a channel: Make channel_write_common() static. 2013-08-13 08:17:15 +02:00
Andreas Schneider
5045133dc2 channel: Use MIN macro in channel_write_common(). 2013-08-13 08:15:37 +02:00
Nicolas Viennot
2f674aeec1 channels: allow channel_open() to return SSH_AGAIN 
Signed-off-by: Nicolas Viennot <nicolas@viennot.biz>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2013-07-25 22:34:51 +02:00
Andreas Schneider
11c82a26a6 channels: Fix a SSH_LOG call. 2013-07-15 08:07:34 +02:00
Andreas Schneider
c64ec43eef src: Remove enter_function() and leave_function(). 2013-07-14 13:31:24 +02:00
Andreas Schneider
ebdd0c6ac1 src: Migrate to SSH_LOG. 2013-07-14 12:44:26 +02:00
Aris Adamantiadis
ad92740dc3 server: Fix compilation without WITH_SERVER 2013-07-14 09:30:59 +02:00
Aris Adamantiadis
f528f71920 agent: the valid request is auth-agent@openssh.com 
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2013-07-13 14:58:18 +02:00
Aris Adamantiadis
7e306a9ec6 server: implement server-side of agent forwarding 
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2013-07-13 14:55:58 +02:00
Aris Adamantiadis
81e769ec6a channels: implement callback for agent forwarding request 
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2013-07-13 14:55:47 +02:00
Aris Adamantiadis
66b37c856c session: Introduce SSH_TIMEOUT_DEFAULT 
The default timeout of 30seconds is very nice when connecting to a new SSH
session, however it completely breaks the synchronous blocking API.
Use SSH_TIMEOUT_DEFAULT when in blocking mode so channel reads&write are blocking
as expected

Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2013-07-13 14:03:42 +02:00
Aris Adamantiadis
de096910b3 Report according status when errors are detected 2012-12-27 22:01:37 +01:00
Aris Adamantiadis
6d61c3ce4a Fix channel_write to wait during key reexchanges 2012-12-23 23:10:29 +01:00
Andreas Schneider
ab8c7de6f8 BUG 94: Fix big endian issue. 2012-12-03 12:35:36 +01:00
Andreas Schneider
68d04c8e47 CVE-2012-4559: Ensure that we don't free req twice. 2012-11-14 17:36:24 +01:00