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https://github.com/rapid7/metasploit-framework
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810133acc2
Note that net-ssh is no longer actively maintained: http://weblog.jamisbuck.org/2009/2/25/net-ssh-capistrano-and-saying-goodbye git-svn-id: file:///home/svn/framework3/trunk@8523 4d416f70-5f16-0410-b530-b9f4589650da
85 lines
3.0 KiB
Ruby
85 lines
3.0 KiB
Ruby
module Net; module SSH
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# A general exception class, to act as the ancestor of all other Net::SSH
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# exception classes.
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class Exception < ::RuntimeError; end
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# This exception is raised when authentication fails (whether it be
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# public key authentication, password authentication, or whatever).
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class AuthenticationFailed < Exception; end
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# This exception is raised when the remote host has disconnected
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# unexpectedly.
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class Disconnect < Exception; end
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# This exception is primarily used internally, but if you have a channel
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# request handler (see Net::SSH::Connection::Channel#on_request) that you
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# want to fail in such a way that the server knows it failed, you can
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# raise this exception in the handler and Net::SSH will translate that into
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# a "channel failure" message.
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class ChannelRequestFailed < Exception; end
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# This is exception is primarily used internally, but if you have a channel
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# open handler (see Net::SSH::Connection::Session#on_open_channel) and you
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# want to fail in such a way that the server knows it failed, you can
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# raise this exception in the handler and Net::SSH will translate that into
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# a "channel open failed" message.
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class ChannelOpenFailed < Exception
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attr_reader :code, :reason
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def initialize(code, reason)
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@code, @reason = code, reason
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super "#{reason} (#{code})"
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end
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end
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# Raised when the cached key for a particular host does not match the
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# key given by the host, which can be indicative of a man-in-the-middle
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# attack. When rescuing this exception, you can inspect the key fingerprint
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# and, if you want to proceed anyway, simply call the remember_host!
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# method on the exception, and then retry.
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class HostKeyMismatch < Exception
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# the callback to use when #remember_host! is called
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attr_writer :callback #:nodoc:
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# situation-specific data describing the host (see #host, #port, etc.)
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attr_writer :data #:nodoc:
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# An accessor for getting at the data that was used to look up the host
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# (see also #fingerprint, #host, #port, #ip, and #key).
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def [](key)
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@data && @data[key]
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end
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# Returns the fingerprint of the key for the host, which either was not
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# found or did not match.
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def fingerprint
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@data && @data[:fingerprint]
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end
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# Returns the host name for the remote host, as reported by the socket.
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def host
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@data && @data[:peer] && @data[:peer][:host]
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end
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# Returns the port number for the remote host, as reported by the socket.
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def port
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@data && @data[:peer] && @data[:peer][:port]
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end
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# Returns the IP address of the remote host, as reported by the socket.
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def ip
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@data && @data[:peer] && @data[:peer][:ip]
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end
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# Returns the key itself, as reported by the remote host.
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def key
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@data && @data[:key]
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end
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# Tell Net::SSH to record this host and key in the known hosts file, so
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# that subsequent connections will remember them.
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def remember_host!
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@callback.call
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end
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end
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end; end |