[project @ Arch-1:robey@lag.net--2003-public%secsh--dev--1.0--patch-148]
forgot to check in stub_sftp yikes! don't forget to check this in: needed for unit tests.
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Robey Pointer
parent
b45a3a98a8
commit
e915dccc7d
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#!/usr/bin/python
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# Copyright (C) 2003-2004 Robey Pointer <robey@lag.net>
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#
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# This file is part of paramiko.
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#
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# Paramiko is free software; you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation; either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# Paramiko is distrubuted in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Paramiko; if not, write to the Free Software Foundation, Inc.,
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# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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"""
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A stub SFTP server for loopback SFTP testing.
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"""
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import os
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from paramiko import ServerInterface, SFTPServerInterface, SFTPServer, SFTPAttributes, \
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SFTPHandle, SFTP_OK, AUTH_SUCCESSFUL, OPEN_SUCCEEDED
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class StubServer (ServerInterface):
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def check_auth_password(self, username, password):
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# all are allowed
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return AUTH_SUCCESSFUL
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def check_channel_request(self, kind, chanid):
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return OPEN_SUCCEEDED
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class StubSFTPHandle (SFTPHandle):
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def stat(self):
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try:
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return SFTPAttributes.from_stat(os.fstat(self.readfile.fileno()))
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except OSError, e:
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return SFTPServer.convert_errno(e.errno)
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def chattr(self, attr):
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# python doesn't have equivalents to fchown or fchmod, so we have to
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# use the stored filename
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try:
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SFTPServer.set_file_attr(self.filename, attr)
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except OSError, e:
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return SFTPServer.convert_errno(e.errno)
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class StubSFTPServer (SFTPServerInterface):
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# assume current folder is a fine root
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# (the tests always create and eventualy delete a subfolder, so there shouldn't be any mess)
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ROOT = os.getcwd()
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def _realpath(self, path):
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return self.ROOT + self.canonicalize(path)
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def list_folder(self, path):
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path = self._realpath(path)
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try:
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out = [ ]
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flist = os.listdir(path)
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for fname in flist:
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attr = SFTPAttributes.from_stat(os.stat(os.path.join(path, fname)))
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attr.filename = fname
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out.append(attr)
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return out
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except OSError, e:
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return SFTPServer.convert_errno(e.errno)
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def stat(self, path):
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path = self._realpath(path)
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try:
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return SFTPAttributes.from_stat(os.stat(path))
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except OSError, e:
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return SFTPServer.convert_errno(e.errno)
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def lstat(self, path):
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path = self._realpath(path)
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try:
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return SFTPAttributes.from_stat(os.lstat(path))
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except OSError, e:
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return SFTPServer.convert_errno(e.errno)
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def open(self, path, flags, attr):
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path = self._realpath(path)
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try:
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fd = os.open(path, flags)
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except OSError, e:
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return SFTPServer.convert_errno(e.errno)
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if (flags & os.O_CREAT) and (attr is not None):
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SFTPServer.set_file_attr(path, attr)
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if flags & os.O_WRONLY:
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fstr = 'w'
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elif flags & os.O_RDWR:
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fstr = 'r+'
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else:
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# O_RDONLY (== 0)
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fstr = 'r'
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try:
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f = os.fdopen(fd, fstr)
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except OSError, e:
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return SFTPServer.convert_errno(e.errno)
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fobj = StubSFTPHandle()
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fobj.filename = path
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fobj.readfile = f
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fobj.writefile = f
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return fobj
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def remove(self, path):
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path = self._realpath(path)
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try:
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os.remove(path)
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except OSError, e:
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return SFTPServer.convert_errno(e.errno)
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return SFTP_OK
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def rename(self, oldpath, newpath):
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oldpath = self._realpath(oldpath)
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newpath = self._realpath(newpath)
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try:
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os.rename(oldpath, newpath)
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except OSError, e:
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return SFTPServer.convert_errno(e.errno)
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return SFTP_OK
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def mkdir(self, path, attr):
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path = self._realpath(path)
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try:
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os.mkdir(path)
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if attr is not None:
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SFTPServer.set_file_attr(path, attr)
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except OSError, e:
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return SFTPServer.convert_errno(e.errno)
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return SFTP_OK
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def rmdir(self, path):
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path = self._realpath(path)
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try:
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os.rmdir(path)
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except OSError, e:
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return SFTPServer.convert_errno(e.errno)
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return SFTP_OK
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def chattr(self, path, attr):
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path = self._realpath(path)
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try:
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SFTPServer.set_file_attr(path, attr)
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except OSError, e:
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return SFTPServer.convert_errno(e.errno)
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return SFTP_OK
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def symlink(self, target_path, path):
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path = self._realpath(path)
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if (len(target_path) > 0) and (target_path[0] == '/'):
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# absolute symlink
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target_path = os.path.join(self.ROOT, target_path[1:])
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if target_path[:2] == '//':
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# bug in os.path.join
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target_path = target_path[1:]
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else:
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# compute relative to path
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abspath = os.path.join(os.path.dirname(path), target_path)
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if abspath[:len(self.ROOT)] != self.ROOT:
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# this symlink isn't going to work anyway -- just break it immediately
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target_path = '<error>'
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try:
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os.symlink(target_path, path)
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except:
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return SFTPServer.convert_errno(e.errno)
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return SFTP_OK
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def readlink(self, path):
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path = self._realpath(path)
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try:
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symlink = os.readlink(path)
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except OSError, e:
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return SFTPServer.convert_errno(e.errno)
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# if it's absolute, remove the root
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if os.path.isabs(symlink):
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if symlink[:len(self.ROOT)] == self.ROOT:
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symlink = symlink[len(self.ROOT):]
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if (len(symlink) == 0) or (symlink[0] != '/'):
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symlink = '/' + symlink
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else:
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symlink = '<error>'
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return symlink
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