This file is indexed.

/usr/share/pyshared/libssh2/session.py is in python-libssh2 1.0.0-1.1.

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
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
#
# pylibssh2 - python bindings for libssh2 library
#
# Copyright (C) 2010 Wallix Inc.
#
# This library 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.
#
# This library 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 this library; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
Abstraction for libssh2 L{Session} object
"""

import _libssh2

from channel import Channel

class SessionException(Exception):
    """
    Exception raised when L{Session} actions fails.
    """
    pass

class Session(object):
    """
    Session object
    """
    def __init__(self):
        """
        Create a new session object.
        """
        self._session = _libssh2.Session()

    def callback_set(self, callback_type, callback):
        """
        Sets callback on the session.

        @param callback_type: value of libssh2.LIBSSH2_CALLBACK_* constant
        @type callback_set: int
        @param callback: a callback Python object
        @type callback: function
        """
        self._session.callback_set(callback_type, callback)

    def close(self, reason="Disconnect"):
        """
        Closes the session.

        @param reason: human readable reason for disconnection
        @type reason: str

        @return: 0 on success or negative on failure
        @rtype: int
        """
        self._session.close(reason)

    def direct_tcpip(self, host, port, shost, sport):
        """
        Tunnels a TCP connection through the session.

        @param host: remote host
        @type host: str
        @param port: remote port
        @type port: int
        @param shost: local host
        @type shost: str
        @param sport: local port
        @type sport: int

        @return: new opened L{Channel}
        @rtype: L{Channel}
        """
        return self._session.direct_tcpip(host, port, shost, sport)

    def forward_listen(self, host, port, bound_port, queue_maxsize):
        """
        Forwards a TCP connection through the session.

        @param host: remote host
        @type host: str
        @param port: remote port
        @type port: int
        @param bound_port: populated with the actual port on the remote host
        @type bound_port: int
        @param queue_maxsize: maxium number of pending connections
        @type int

        @return: new L{Listener} instance on success or None on failure
        @rtype: L{Listener}
        """
        return self._session.forward_listen(
            host, port, bound_port, queue_maxsize
        )

    def hostkey_hash(self, hashtype):
        """
        Returns the computed digest of the remote host's key.

        @param hashtype: values possible are 1 (HASH_MD5) or 2 (HASH_SHA1)
        @type hashtype: int

        @return: string representation of the computed hash value
        @rtype: str
        """
        return self._session.hostkey_hash(hashtype)

    def last_error(self):
        """
        Returns the last error in tuple format (code, message).

        @return: error tuple (int, str)
        @rtype: tuple
        """
        return self._session.last_error()

    def open_session(self):
        """
        Allocates a new L{Channel} for the session.

        @return: new channel opened
        @rtype: L{Channel}
        """
        return Channel(self._session.open_session())


    def set_trace(self, bitmask):
        """
        Sets trace level on the session.

        @param bitmask: bitmask on libssh2.LIBSSH2_TRACE_* constant
        """
        self._session.set_trace(bitmask)


    def scp_recv(self, remote_path):
        """
        Gets a remote file via SCP Protocol.

        @param remote_path: absolute path of remote file to transfer
        @type remote_path: str

        @return: new channel opened
        @rtype: L{Channel}
        """
        return Channel(self._session.scp_recv(remote_path))

    def scp_send(self, path, mode, size):
        """
        Sends a file to remote host via SCP protocol.

        @param path: absolute path of file to transfer
        @type path: str
        @param mode: file access mode to create file
        @type mode: int
        @param size: size of file being transmitted
        @type size: int

        @return: new channel opened
        @rtype: L{Channel}
        """
        return Channel(self._session.scp_send(path, mode, size))

    def session_method_pref(self, method_type, pref):
        """
        Sets preferred methods to be negociated. Theses preferences must be
        prior to calling L{startup}.

        @param method_type: the method type constants
        @type method_type: int
        @param pref: coma delimited list of preferred methods
        @type pref: str

        @return: 0 on success or negative on failure
        @rtype: int
        """
        self._session.session_methods(method_type, pref)

    def session_methods(self):
        """
        Returns dictionnary with the current actives algorithms.
        CS keys is Client to Server and SC keys is Server to Client.

        @return: dictionnary with actual method negociated
        @rtype: dict
        """
        return self.session_methods()

    def set_banner(self, banner=_libssh2.DEFAULT_BANNER):
        """
        Sets the banner that will be sent to remote host. This is optional, the
        banner L{_libssh2.DEFAULT_BANNER} will be sent by default.

        @param banner: an user defined banner
        @type banner: str
        
        @return: 0 on success or negative on failure
        @rtype: int
        """
        self._session.set_banner(banner)

    def sftp_init(self):
        """
        Open an Sftp Channel.

        @return: new Sftp channel opened
        @rtype: L{Sftp}
        """
        raise NotImplementedError()

    def startup(self, sock):
        """
        Starts up the session form a socket created by a socket.socket() call.

        @param sock: a connected socket object
        @type sock: socket._socketobject

        @return: 0 on success or negative on failure
        @rtype: int
        """
        self._session.startup(sock)

    def userauth_authenticated(self):
        """
        Returns authentification status for the given session.

        @return: non-zero if authenticated or 0 if not
        @rtype: int
        """
        return self._session.userauth_authenticated()

    def userauth_list(self, username):
        """
        Lists the authentification methods supported by a server.

        @param username: username which will be used while authenticating
        @type username: str

        @return: string containing a comma-separated list of authentication 
        methods
        @rtype: str
        """
        self._session.userauth_list(username)

    def userauth_password(self, username, password):
        """
        Authenticates a session with the given username and password.

        @param username: user to authenticate
        @type username: str
        @param password: password to use for the authentication
        @type password: str

        @return: 0 on success or negative on failure
        @rtype: int
        """
        self._session.userauth_password(username, password)

    def userauth_publickey_fromfile(
            self, username, publickey, privatekey, passphrase
        ):
        """
        Authenticates a session as username using a key pair found in the 
        pulickey and privatekey files, and passphrase if provided.

        @param username: user to authenticate
        @type username: str
        @param publickey: path and name of public key file
        @type publickey: str
        @param privatekey: path and name of private key file
        @type privatekey: str
        @param passphrase: passphrase to use when decoding private file
        @type passphrase: str

        @return: 0 on success or negative on failure
        @rtype: int
        """
        raise NotImplementedError()