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Also start adding dialyzer specs and removing dead code
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This is step one in in making ssh process structure less complicated.
As an effect I also found other simplifications/clean ups of the code
that could be done.
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{rekey_limit, integer()}
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* fredrik/ssh/timer-on-connect/OTP-10514:
New setup in testing idle_time
Use same connect as the rest of testcases
Fixed doc
Added testcase for idle timer
Not start the idle timer on connect
Doc about idle_time option to ssh:connect
Check cache on channel exec
handle no idle-timer on check cache
Option idle_time introduced, it will trigger the timer and if it is not given the timer_ref entry is infinity
Timeout after 1h of idle on connection, which exits the connection
Conflicts:
lib/ssh/src/ssh.erl
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* maint:
Ssh appup modifications
Updated appup for ssh
Bumped revision
Removed some testing variables
ssh_opts is now a proper list
After auth rsa and dsa passwords is set to undefined
Removing the password after auth
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given the timer_ref entry is infinity
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This patch fixes a few problems of the SSH shell server that affect the
interoperability with SSH clients in widespread use.
First problem is that, whenever a channel_request message is
received with want_reply=true, the reply ends up being sent to the
servers channel id, not the clients channel id. This causes the client
to terminate the connection. The easiest solution to the problem appears
to be a new function in ssh_connection_manager.erl that translates the
servers channel id before sending the reply (in the same manner as
other functions do it).
Second problem is in ssh_cli.erl. When an SSH client sends a
window_change request between PTY allocation and starting the shell
(which appears to happen with some clients), ssh_cli.erl crashes
because #state.buf is yet 'undefined'. Allocating an empty buffer at PTY
allocation time solves the problem.
Affected SSH clients:
- all clients based on SSH-2.0-TrileadSSH2Java_213 (problem #1)
- SSH Term Pro (problem #2)
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for closed or invalid channels.
ssh_connection:handle_msg(#ssh_msg_channel_close...) will now cause any send() that was in progress to immediately return {error,closed}.
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exit:{normal} -> exit:{normal, _} this typo could sometimes cause a crash
when trying to close a channel that was already closed.
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cases the remote channel id
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been terminated.
The function ssh_connection_manager:call now handles that exit
reason may be shutdown.
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Restored supervisor tree so that error propagation will work as
intended, although connection processes are set to temporary, instead
of permanent with restart times set to 0, and termination of the
connection subtree is initiated by a temporary process spawned by
ssh_connection_managers terminate. This is done to avoid unwanted
supervisor reports. Pherhaps we need some new supervisor
functionality.
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In some cases SSH returned {error, normal} when a channel was terminated
unexpectedly. This has now been changed to {error, channel_closed}.
OTP-8986
It is now possible to use SSH to sign and verify binary data.
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cleaned up)
The ssh_system_sup supervisor supervises one ssh_subsystem_sup process for
every client connection. There was no functionality to free resources
(terminate_child/ delete_child) when a client connection was closed.
Which lead to one ssh_subsystem_sup and one ssh_channel_sup process left over.
This commit adds ssh_system_sup:stop_subsystem/2 and code that calls it
in ssh_connection_manager:terminate/2.
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OTP-8735 SSH in some cases generated a crash report when a channel
was closed in a normal way.
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OTP-8550 The function ssh:connect/4 was not exported.
OTP-8644 Aligned error message with used version (SSH_FX_FAILURE
vs SSH_FX_NOT_A_DIRECTORY, the latter introduced in version
6).
OTP-8645 Resolved race condition when another connection is started
before a channel is opened in the first connection.
OTP-8535 The configuration parameter ip_v6_disabled is now available,
which makes it possible for the user to alter the IP version
SSH shall use.
OTP-8534 The ssh_connection:send operation now accepts infinity as
timeout.
OTP-8524 The connection handler now include stack traces when a channel
message is not handled correctly.
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