This file is indexed.

/usr/share/pyshared/qpid/delegates.py is in python-qpid 0.22+dfsg-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#

import os, connection, session
from util import notify, get_client_properties_with_defaults
from datatypes import RangedSet
from exceptions import VersionError, Closed
from logging import getLogger
from ops import Control
import sys
from qpid import sasl

log = getLogger("qpid.io.ctl")

class Delegate:

  def __init__(self, connection, delegate=session.client):
    self.connection = connection
    self.delegate = delegate

  def received(self, op):
    ssn = self.connection.attached.get(op.channel)
    if ssn is None:
      ch = connection.Channel(self.connection, op.channel)
    else:
      ch = ssn.channel

    if isinstance(op, Control):
      log.debug("RECV %s", op)
      getattr(self, op.NAME)(ch, op)
    elif ssn is None:
      ch.session_detached()
    else:
      ssn.received(op)

  def connection_close(self, ch, close):
    self.connection.close_code = (close.reply_code, close.reply_text)
    ch.connection_close_ok()
    raise Closed(close.reply_text)

  def connection_close_ok(self, ch, close_ok):
    self.connection.opened = False
    self.connection.closed = True
    notify(self.connection.condition)

  def connection_heartbeat(self, ch, hrt):
    pass

  def session_attach(self, ch, a):
    try:
      self.connection.attach(a.name, ch, self.delegate, a.force)
      ch.session_attached(a.name)
    except connection.ChannelBusy:
      ch.session_detached(a.name)
    except connection.SessionBusy:
      ch.session_detached(a.name)

  def session_attached(self, ch, a):
    notify(ch.session.condition)

  def session_detach(self, ch, d):
    #send back the confirmation of detachment before removing the
    #channel from the attached set; this avoids needing to hold the
    #connection lock during the sending of this control and ensures
    #that if the channel is immediately reused for a new session the
    #attach request will follow the detached notification.
    ch.session_detached(d.name)
    ssn = self.connection.detach(d.name, ch)

  def session_detached(self, ch, d):
    self.connection.detach(d.name, ch)

  def session_request_timeout(self, ch, rt):
    ch.session_timeout(rt.timeout);

  def session_command_point(self, ch, cp):
    ssn = ch.session
    ssn.receiver.next_id = cp.command_id
    ssn.receiver.next_offset = cp.command_offset

  def session_completed(self, ch, cmp):
    ch.session.sender.completed(cmp.commands)
    if cmp.timely_reply:
      ch.session_known_completed(cmp.commands)
    notify(ch.session.condition)

  def session_known_completed(self, ch, kn_cmp):
    ch.session.receiver.known_completed(kn_cmp.commands)

  def session_flush(self, ch, f):
    rcv = ch.session.receiver
    if f.expected:
      if rcv.next_id == None:
        exp = None
      else:
        exp = RangedSet(rcv.next_id)
      ch.session_expected(exp)
    if f.confirmed:
      ch.session_confirmed(rcv._completed)
    if f.completed:
      ch.session_completed(rcv._completed)

class Server(Delegate):

  def start(self):
    self.connection.read_header()
    # XXX
    self.connection.write_header(0, 10)
    connection.Channel(self.connection, 0).connection_start(mechanisms=["ANONYMOUS"])

  def connection_start_ok(self, ch, start_ok):
    ch.connection_tune(channel_max=65535)

  def connection_tune_ok(self, ch, tune_ok):
    pass

  def connection_open(self, ch, open):
    self.connection.opened = True
    ch.connection_open_ok()
    notify(self.connection.condition)

class Client(Delegate):

  def __init__(self, connection, username=None, password=None,
               mechanism=None, heartbeat=None, **kwargs):
    Delegate.__init__(self, connection)
    provided_client_properties = kwargs.get("client_properties")
    self.client_properties=get_client_properties_with_defaults(provided_client_properties)

    ##
    ## self.acceptableMechanisms is the list of SASL mechanisms that the client is willing to
    ## use.  If it's None, then any mechanism is acceptable.
    ##
    self.acceptableMechanisms = None
    if mechanism:
      self.acceptableMechanisms = mechanism.split(" ")
    self.heartbeat = heartbeat
    self.username  = username
    self.password  = password

    self.sasl = sasl.Client()
    if username and len(username) > 0:
      self.sasl.setAttr("username", str(username))
    if password and len(password) > 0:
      self.sasl.setAttr("password", str(password))
    self.sasl.setAttr("service", str(kwargs.get("service", "qpidd")))
    if "host" in kwargs:
      self.sasl.setAttr("host", str(kwargs["host"]))
    if "min_ssf" in kwargs:
      self.sasl.setAttr("minssf", kwargs["min_ssf"])
    if "max_ssf" in kwargs:
      self.sasl.setAttr("maxssf", kwargs["max_ssf"])
    self.sasl.init()

  def start(self):
    # XXX
    cli_major = 0
    cli_minor = 10
    self.connection.write_header(cli_major, cli_minor)
    magic, _, _, major, minor = self.connection.read_header()
    if not (magic == "AMQP" and major == cli_major and minor == cli_minor):
      raise VersionError("client: %s-%s, server: %s-%s" %
                         (cli_major, cli_minor, major, minor))

  def connection_start(self, ch, start):
    mech_list = ""
    for mech in start.mechanisms:
      if (not self.acceptableMechanisms) or mech in self.acceptableMechanisms:
        mech_list += str(mech) + " "
    mech = None
    initial = None
    try:
      mech, initial = self.sasl.start(mech_list)
    except Exception, e:
      raise Closed(str(e))
    ch.connection_start_ok(client_properties=self.client_properties,
                           mechanism=mech, response=initial)

  def connection_secure(self, ch, secure):
    resp = None
    try:
      resp = self.sasl.step(secure.challenge)
    except Exception, e:
      raise Closed(str(e))
    ch.connection_secure_ok(response=resp)

  def connection_tune(self, ch, tune):
    ch.connection_tune_ok(heartbeat=self.heartbeat)
    ch.connection_open()
    self.connection.user_id = self.sasl.auth_username()
    self.connection.security_layer_tx = self.sasl

  def connection_open_ok(self, ch, open_ok):
    self.connection.security_layer_rx = self.sasl
    self.connection.opened = True
    notify(self.connection.condition)

  def connection_heartbeat(self, ch, hrt):
    ch.connection_heartbeat()