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147 Commits

Author SHA1 Message Date
Andreas Schneider
6cd8d4a24a channels: Don't call ssh_channel_close() twice 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-12-12 18:31:31 +01:00
Andreas Schneider
c3067f8e73 channels: Send close if we received a remote close 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-12-10 16:42:22 +01:00
Andreas Schneider
1d5b222cc4 channels: Reformat ssh_channel_free() 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-12-10 14:59:21 +01:00
Andreas Schneider
13b9d268d4 channel: Add SSH_CHANNEL_FLAG_CLOSED_LOCAL 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-12-10 14:59:21 +01:00
Andreas Schneider
0ba10870d1 channel: Reformat ssh_channel_close() 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-12-10 14:57:50 +01:00
Andreas Schneider
e4e51ccc13 session: Check the session timeout and use it if set 
This checks if a timeout has been set using ssh_options_set(). If it has
been set it will use that parametr by default for blocking sessions.

This is at least what users are expecting.

Fixes T33

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-12-07 17:49:19 +01:00
Anderson Toshiyuki Sasaki
8e69d435ef channels: Set error state when closed channel is read 
When an attempt to read a closed channel happens, set the session error
state properly.

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2018-12-07 17:44:46 +01:00
Nicolas Viennot
59ada799d7 packets: Fix ssh_send_keepalive() 
ssh_send_keepalive() should use global_request() to properly configure
the state machine for packet filtering.

Signed-off-by: Nicolas Viennot <nicolas@viennot.biz>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2018-11-20 07:55:08 +01:00
Andreas Schneider
cde13b0f00 channels: Check return code of ssh_packet_send() 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-10-24 09:48:35 +02:00
Andreas Schneider
8f31623947 channels: Reformat ssh_channel_send_eof() 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-10-24 09:48:35 +02:00
Andreas Schneider
253bda4bac channels: Check return of ssh_buffer_unpack() 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-10-24 09:48:35 +02:00
Anderson Toshiyuki Sasaki
68b0c7a934 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>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2018-10-16 09:19:03 +02:00
Anderson Toshiyuki Sasaki
459868c4a5 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>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2018-10-16 09:19:03 +02:00
Andreas Schneider
ef06ef2c1b channels: Allow infinite timeout for ssh_channel_read_timout() 
This is also documented.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-09-05 11:43:05 +02:00
Andreas Schneider
e558827c4e channels: Don't read from a closed channel 
Fixes T76

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-09-04 20:34:52 +02:00
Andreas Schneider
72e91d5131 channels: Remove memset in ssh_channel_do_free() 
We have nice tools to detect that in the meantime.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2018-09-04 19:58:11 +02:00
Andreas Schneider
4af4b59e21 channels: Reformat ssh_channel_free() 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2018-09-04 19:58:03 +02:00
Andreas Schneider
ca464ca2ba channels: Use calloc() in ssh_channel_new() 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2018-09-04 19:57:58 +02:00
Andreas Schneider
9ac6ac6c26 channel: Reformat ssh_channel_new() 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2018-09-04 19:57:53 +02:00
Andreas Schneider
c2fc9ac956 channels: Fix timeout variable to match documentation 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-08-22 09:08:39 +02:00
Andreas Schneider
c503bb572e crytpo: Make sure we check return of ssh_get_random() correctly 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-07-05 12:12:14 +02:00
Andreas Schneider
88673b2d1f channels: Fix NULL check in channel_rcv_data callback 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-06-30 14:37:04 +02:00
Andreas Schneider
206f3ff895 Rest in Peace SSHv1 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
 2018-06-29 14:41:14 +02:00
Andreas Schneider
c563ed636a Remove vim modelines from all files 
If you want modelines use my vim plugin:
https://github.com/cryptomilk/git-modeline.vim

git config --add vim.modeline "ts=4 sw=4 et"

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-06-28 08:41:08 +02:00
Axel Eppe
fb2fefb3c6 channels: add ssh_channel_request_send_break to support RFC 4335 
Signed-off-by: Axel Eppe <aeppe@google.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2018-04-10 11:16:23 +02:00
Andreas Schneider
aaeb938ca4 channels: Use calloc() instead of malloc() 
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2018-01-18 18:52:04 +01:00
Andreas Schneider
f0ddde4826 Fix config.h includes 
We need stdlib.h and string.h in priv.h for free() and memset().

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2017-10-28 14:31:37 +02:00
Andreas Schneider
5437deed1b callbacks: Add support for MSVC 
__typeof__ is GCC specific

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
 2016-11-05 20:00:02 +01:00
Aris Adamantiadis
9b3648ded0 connector: Implement ssh_connector_except() 
Signed-off-by: Aris Adamantiadis <aris@0xbadc0de.be>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2016-05-02 16:58:47 +02:00
Aris Adamantiadis
0701745cbc channels: Move ssh_channel_write_stderr out of server-only 
Signed-off-by: Aris Adamantiadis <aris@0xbadc0de.be>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2016-05-02 16:57:13 +02:00
Aris Adamantiadis
bbe437dbb1 callbacks: Implement list of callbacks for channels 
Signed-off-by: Aris Adamantiadis <aris@0xbadc0de.be>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2016-05-02 16:56:54 +02:00
David Kedves
d7df4429eb 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>
 2016-05-02 15:31:46 +02:00
Fabiano Fidêncio
05fd0acf45 buffer: do not use ssh_buffer_get_rest_len() 
As ssh_buffer_get_len() actually calls ssh_buffer_get_rest_len(), let's
just use the first one. This is a preparatory step for removing
ssh_buffer_get_rest_len().

Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2016-01-19 11:31:08 +01:00
Fabiano Fidêncio
954341dd1f buffer: rename ssh_buffer_get_rest() to ssh_buffer_get() 
Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2016-01-19 11:31:07 +01:00
Fabiano Fidêncio
e368d01385 cleanup: use ssh_ prefix in the packet (non-static) functions 
Having "ssh_" prefix in the functions' name will avoid possible clashes
when compiling libssh statically.

Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2016-01-19 11:31:07 +01:00
Fabiano Fidêncio
501faacf8e cleanup: use ssh_ prefix in the channels (non-static) functions 
Having "ssh_" prefix in the functions' name will avoid possible clashes
when compiling libssh statically.

Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2016-01-19 11:31:07 +01:00
Fabiano Fidêncio
adc8c20ac1 cleanup: use ssh_ prefix in the buffer (non-static) functions 
Having "ssh_" prefix in the functions' name will avoid possible clashes
when compiling libssh statically.

Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2016-01-19 11:31:07 +01:00
Fabiano Fidêncio
2bf6e66ffe client: handle agent forward open requests with callbacks 
Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
Reviewed-by: Aris Adamantiadis <aris@badcode.be>
 2015-07-07 13:24:55 +02:00
Peter Volpe
7637351065 channels: Fix exit-signal data unpacking 
Signed-off-by: Peter Volpe <pvolpe@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
 2015-06-29 09:50:09 +02:00
Aris Adamantiadis
c480a29052 channels: fix exit-status not correctly set 2015-06-03 16:41:05 +02:00
Mike DePaulo
4aef82237d Comment that ssh_forward_cancel() is deprecated. 
Signed-off-by: Aris Adamantiadis <aris@badcode.be>
 2015-05-29 11:29:49 +02:00
Mike DePaulo
8a4a22d7b7 Reintroduce ssh_forward_listen() (Fixes: #194) 
Signed-off-by: Aris Adamantiadis <aris@badcode.be>
 2015-05-29 11:23:31 +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