This file is indexed.

/usr/lib/python3/dist-packages/paramiko/common.py is in python3-paramiko 2.0.0-1ubuntu1.2.

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
# Copyright (C) 2003-2007  Robey Pointer <robeypointer@gmail.com>
#
# This file is part of paramiko.
#
# Paramiko is free software; you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; either version 2.1 of the License, or (at your option)
# any later version.
#
# Paramiko is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Paramiko; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.

"""
Common constants and global variables.
"""
import logging
from paramiko.py3compat import byte_chr, PY2, bytes_types, string_types, b, long

MSG_DISCONNECT, MSG_IGNORE, MSG_UNIMPLEMENTED, MSG_DEBUG, MSG_SERVICE_REQUEST, \
    MSG_SERVICE_ACCEPT = range(1, 7)
MSG_KEXINIT, MSG_NEWKEYS = range(20, 22)
MSG_USERAUTH_REQUEST, MSG_USERAUTH_FAILURE, MSG_USERAUTH_SUCCESS, \
    MSG_USERAUTH_BANNER = range(50, 54)
MSG_USERAUTH_PK_OK = 60
MSG_USERAUTH_INFO_REQUEST, MSG_USERAUTH_INFO_RESPONSE = range(60, 62)
MSG_USERAUTH_GSSAPI_RESPONSE, MSG_USERAUTH_GSSAPI_TOKEN = range(60, 62)
MSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE, MSG_USERAUTH_GSSAPI_ERROR,\
MSG_USERAUTH_GSSAPI_ERRTOK, MSG_USERAUTH_GSSAPI_MIC = range(63, 67)
HIGHEST_USERAUTH_MESSAGE_ID = 79
MSG_GLOBAL_REQUEST, MSG_REQUEST_SUCCESS, MSG_REQUEST_FAILURE = range(80, 83)
MSG_CHANNEL_OPEN, MSG_CHANNEL_OPEN_SUCCESS, MSG_CHANNEL_OPEN_FAILURE, \
    MSG_CHANNEL_WINDOW_ADJUST, MSG_CHANNEL_DATA, MSG_CHANNEL_EXTENDED_DATA, \
    MSG_CHANNEL_EOF, MSG_CHANNEL_CLOSE, MSG_CHANNEL_REQUEST, \
    MSG_CHANNEL_SUCCESS, MSG_CHANNEL_FAILURE = range(90, 101)

cMSG_DISCONNECT = byte_chr(MSG_DISCONNECT)
cMSG_IGNORE = byte_chr(MSG_IGNORE)
cMSG_UNIMPLEMENTED = byte_chr(MSG_UNIMPLEMENTED)
cMSG_DEBUG = byte_chr(MSG_DEBUG)
cMSG_SERVICE_REQUEST = byte_chr(MSG_SERVICE_REQUEST)
cMSG_SERVICE_ACCEPT = byte_chr(MSG_SERVICE_ACCEPT)
cMSG_KEXINIT = byte_chr(MSG_KEXINIT)
cMSG_NEWKEYS = byte_chr(MSG_NEWKEYS)
cMSG_USERAUTH_REQUEST = byte_chr(MSG_USERAUTH_REQUEST)
cMSG_USERAUTH_FAILURE = byte_chr(MSG_USERAUTH_FAILURE)
cMSG_USERAUTH_SUCCESS = byte_chr(MSG_USERAUTH_SUCCESS)
cMSG_USERAUTH_BANNER = byte_chr(MSG_USERAUTH_BANNER)
cMSG_USERAUTH_PK_OK = byte_chr(MSG_USERAUTH_PK_OK)
cMSG_USERAUTH_INFO_REQUEST = byte_chr(MSG_USERAUTH_INFO_REQUEST)
cMSG_USERAUTH_INFO_RESPONSE = byte_chr(MSG_USERAUTH_INFO_RESPONSE)
cMSG_USERAUTH_GSSAPI_RESPONSE = byte_chr(MSG_USERAUTH_GSSAPI_RESPONSE)
cMSG_USERAUTH_GSSAPI_TOKEN = byte_chr(MSG_USERAUTH_GSSAPI_TOKEN)
cMSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE = byte_chr(MSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE)
cMSG_USERAUTH_GSSAPI_ERROR = byte_chr(MSG_USERAUTH_GSSAPI_ERROR)
cMSG_USERAUTH_GSSAPI_ERRTOK = byte_chr(MSG_USERAUTH_GSSAPI_ERRTOK)
cMSG_USERAUTH_GSSAPI_MIC = byte_chr(MSG_USERAUTH_GSSAPI_MIC)
cMSG_GLOBAL_REQUEST = byte_chr(MSG_GLOBAL_REQUEST)
cMSG_REQUEST_SUCCESS = byte_chr(MSG_REQUEST_SUCCESS)
cMSG_REQUEST_FAILURE = byte_chr(MSG_REQUEST_FAILURE)
cMSG_CHANNEL_OPEN = byte_chr(MSG_CHANNEL_OPEN)
cMSG_CHANNEL_OPEN_SUCCESS = byte_chr(MSG_CHANNEL_OPEN_SUCCESS)
cMSG_CHANNEL_OPEN_FAILURE = byte_chr(MSG_CHANNEL_OPEN_FAILURE)
cMSG_CHANNEL_WINDOW_ADJUST = byte_chr(MSG_CHANNEL_WINDOW_ADJUST)
cMSG_CHANNEL_DATA = byte_chr(MSG_CHANNEL_DATA)
cMSG_CHANNEL_EXTENDED_DATA = byte_chr(MSG_CHANNEL_EXTENDED_DATA)
cMSG_CHANNEL_EOF = byte_chr(MSG_CHANNEL_EOF)
cMSG_CHANNEL_CLOSE = byte_chr(MSG_CHANNEL_CLOSE)
cMSG_CHANNEL_REQUEST = byte_chr(MSG_CHANNEL_REQUEST)
cMSG_CHANNEL_SUCCESS = byte_chr(MSG_CHANNEL_SUCCESS)
cMSG_CHANNEL_FAILURE = byte_chr(MSG_CHANNEL_FAILURE)

# for debugging:
MSG_NAMES = {
    MSG_DISCONNECT: 'disconnect',
    MSG_IGNORE: 'ignore',
    MSG_UNIMPLEMENTED: 'unimplemented',
    MSG_DEBUG: 'debug',
    MSG_SERVICE_REQUEST: 'service-request',
    MSG_SERVICE_ACCEPT: 'service-accept',
    MSG_KEXINIT: 'kexinit',
    MSG_NEWKEYS: 'newkeys',
    30: 'kex30',
    31: 'kex31',
    32: 'kex32',
    33: 'kex33',
    34: 'kex34',
    40: 'kex40',
    41: 'kex41',
    MSG_USERAUTH_REQUEST: 'userauth-request',
    MSG_USERAUTH_FAILURE: 'userauth-failure',
    MSG_USERAUTH_SUCCESS: 'userauth-success',
    MSG_USERAUTH_BANNER: 'userauth--banner',
    MSG_USERAUTH_PK_OK: 'userauth-60(pk-ok/info-request)',
    MSG_USERAUTH_INFO_RESPONSE: 'userauth-info-response',
    MSG_GLOBAL_REQUEST: 'global-request',
    MSG_REQUEST_SUCCESS: 'request-success',
    MSG_REQUEST_FAILURE: 'request-failure',
    MSG_CHANNEL_OPEN: 'channel-open',
    MSG_CHANNEL_OPEN_SUCCESS: 'channel-open-success',
    MSG_CHANNEL_OPEN_FAILURE: 'channel-open-failure',
    MSG_CHANNEL_WINDOW_ADJUST: 'channel-window-adjust',
    MSG_CHANNEL_DATA: 'channel-data',
    MSG_CHANNEL_EXTENDED_DATA: 'channel-extended-data',
    MSG_CHANNEL_EOF: 'channel-eof',
    MSG_CHANNEL_CLOSE: 'channel-close',
    MSG_CHANNEL_REQUEST: 'channel-request',
    MSG_CHANNEL_SUCCESS: 'channel-success',
    MSG_CHANNEL_FAILURE: 'channel-failure',
    MSG_USERAUTH_GSSAPI_RESPONSE: 'userauth-gssapi-response',
    MSG_USERAUTH_GSSAPI_TOKEN: 'userauth-gssapi-token',
    MSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE: 'userauth-gssapi-exchange-complete',
    MSG_USERAUTH_GSSAPI_ERROR: 'userauth-gssapi-error',
    MSG_USERAUTH_GSSAPI_ERRTOK: 'userauth-gssapi-error-token',
    MSG_USERAUTH_GSSAPI_MIC: 'userauth-gssapi-mic'
}


# authentication request return codes:
AUTH_SUCCESSFUL, AUTH_PARTIALLY_SUCCESSFUL, AUTH_FAILED = range(3)


# channel request failed reasons:
(OPEN_SUCCEEDED,
 OPEN_FAILED_ADMINISTRATIVELY_PROHIBITED,
 OPEN_FAILED_CONNECT_FAILED,
 OPEN_FAILED_UNKNOWN_CHANNEL_TYPE,
 OPEN_FAILED_RESOURCE_SHORTAGE) = range(0, 5)


CONNECTION_FAILED_CODE = {
    1: 'Administratively prohibited',
    2: 'Connect failed',
    3: 'Unknown channel type',
    4: 'Resource shortage'
}


DISCONNECT_SERVICE_NOT_AVAILABLE, DISCONNECT_AUTH_CANCELLED_BY_USER, \
    DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE = 7, 13, 14

zero_byte = byte_chr(0)
one_byte = byte_chr(1)
four_byte = byte_chr(4)
max_byte = byte_chr(0xff)
cr_byte = byte_chr(13)
linefeed_byte = byte_chr(10)
crlf = cr_byte + linefeed_byte

if PY2:
    cr_byte_value = cr_byte
    linefeed_byte_value = linefeed_byte
else:
    cr_byte_value = 13
    linefeed_byte_value = 10


def asbytes(s):
    if not isinstance(s, bytes_types):
        if isinstance(s, string_types):
            s = b(s)
        else:
            try:
                s = s.asbytes()
            except Exception:
                raise Exception('Unknown type')
    return s

xffffffff = long(0xffffffff)
x80000000 = long(0x80000000)
o666 = 438
o660 = 432
o644 = 420
o600 = 384
o777 = 511
o700 = 448
o70 = 56

DEBUG = logging.DEBUG
INFO = logging.INFO
WARNING = logging.WARNING
ERROR = logging.ERROR
CRITICAL = logging.CRITICAL

# Common IO/select/etc sleep period, in seconds
io_sleep = 0.01

DEFAULT_WINDOW_SIZE = 64 * 2 ** 15
DEFAULT_MAX_PACKET_SIZE = 2 ** 15

# lower bound on the max packet size we'll accept from the remote host
# Minimum packet size is 32768 bytes according to
# http://www.ietf.org/rfc/rfc4254.txt
MIN_WINDOW_SIZE = 2 ** 15

# However, according to http://www.ietf.org/rfc/rfc4253.txt it is perfectly
# legal to accept a size much smaller, as OpenSSH client does as size 16384.
MIN_PACKET_SIZE = 2 ** 12

# Max windows size according to http://www.ietf.org/rfc/rfc4254.txt
MAX_WINDOW_SIZE = 2**32 -1