45 lines
1.4 KiB
Ruby
45 lines
1.4 KiB
Ruby
require 'net/ssh/errors'
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require 'net/ssh/authentication/methods/abstract'
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module Net
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module SSH
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module Authentication
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module Methods
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# Implements the "password" SSH authentication method.
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class Password < Abstract
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# Attempt to authenticate the given user for the given service. If
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# the password parameter is nil, this will never do anything except
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# return false.
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def authenticate(next_service, username, password=nil)
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return false unless password
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send_message(userauth_request(username, next_service, "password", false, password))
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message = session.next_message
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case message.type
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when USERAUTH_SUCCESS
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debug { "password succeeded" }
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if session.options[:record_auth_info]
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session.auth_info[:method] = "password"
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session.auth_info[:user] = username
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session.auth_info[:password] = password
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end
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return true
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when USERAUTH_FAILURE
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debug { "password failed" }
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return false
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when USERAUTH_PASSWD_CHANGEREQ
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debug { "password change request received, failing" }
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return false
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else
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raise Net::SSH::Exception, "unexpected reply to USERAUTH_REQUEST: #{message.type} (#{message.inspect})"
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end
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end
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end
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end
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end
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end
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end
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