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Enable host key hashing by default as is standard with serveral current (Open)SSH implementations. commit 0896efcd18b283fdf8d989fc25debb56d55c4c13 Author: Mike Gabriel <mike.gabriel@das-netzwerkteam.de> Date: Wed May 8 13:04:20 2013 +0200 New upstream, using Git commit: 777d1576ca825f43d00f699865ead9bc0c37c637. Development version. commit 86249f27d8d05977360fc32a441df9df968844ca Merge: 5132d4b 777d157 Author: Mike Gabriel <mike.gabriel@das-netzwerkteam.de> Date: Mon Apr 29 13:08:13 2013 +0200 Merge branch 'master' into x2go ----------------------------------------------------------------------- Summary of changes: .gitignore | 2 + .travis.yml | 2 +- Makefile | 2 +- NEWS | 76 ++++++++- README | 27 +--- debian/changelog | 11 +- debian/patches/001_no-upstream-Makefile | 18 --- debian/patches/series | 2 +- demos/demo.py | 1 - paramiko/__init__.py | 8 +- paramiko/_winapi.py | 269 +++++++++++++++++++++++++++++++ paramiko/agent.py | 17 +- paramiko/channel.py | 24 ++- paramiko/client.py | 19 ++- paramiko/config.py | 180 ++++++++++++++------- paramiko/file.py | 4 + paramiko/hostkeys.py | 16 +- paramiko/message.py | 3 +- paramiko/packet.py | 12 +- paramiko/sftp_client.py | 130 ++++++++++----- paramiko/sftp_file.py | 25 ++- paramiko/transport.py | 5 +- paramiko/win_pageant.py | 81 +++------- requirements.txt | 2 + setup.py | 2 +- tests/test_sftp.py | 45 ++++-- tests/test_util.py | 117 ++++++++++++-- tox.ini | 6 + 28 files changed, 839 insertions(+), 267 deletions(-) delete mode 100644 debian/patches/001_no-upstream-Makefile create mode 100644 paramiko/_winapi.py create mode 100644 requirements.txt create mode 100644 tox.ini The diff of changes is: diff --git a/.gitignore b/.gitignore index 3283ff3..4b57895 100644 --- a/.gitignore +++ b/.gitignore @@ -1,5 +1,7 @@ *.pyc build/ dist/ +.tox/ paramiko.egg-info/ test.log +docs/ diff --git a/.travis.yml b/.travis.yml index 312a184..6896b89 100644 --- a/.travis.yml +++ b/.travis.yml @@ -9,6 +9,6 @@ install: script: python test.py notifications: irc: - channels: "irc.freenode.org#fabric" + channels: "irc.freenode.org#paramiko" on_success: change on_failure: change diff --git a/Makefile b/Makefile index 3c12990..572f867 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ release: docs python setup.py sdist register upload -docs: +docs: paramiko/* epydoc --no-private -o docs/ paramiko clean: diff --git a/NEWS b/NEWS index 5542046..ef85eff 100644 --- a/NEWS +++ b/NEWS @@ -12,6 +12,80 @@ Issues noted as "Fabric #NN" can be found at https://github.com/fabric/fabric/. Releases ======== +v1.11.0 (DD MM YYYY) +-------------------- + +* #98: On Windows, when interacting with the PuTTY PAgeant, Paramiko now + creates the shared memory map with explicit Security Attributes of the user, + which is the same technique employed by the canonical PuTTY library to avoid + permissions issues when Paramiko is running under a different UAC context + than the PuTTY Ageant process. Thanks to Jason R. Coombs for the patch. +* #100: Remove use of PyWin32 in `win_pageant` module. Module was already + dependent on ctypes for constructing appropriate structures and had ctypes + implementations of all functionality. Thanks to Jason R. Coombs for the + patch. +* #87: Ensure updates to `known_hosts` files account for any updates to said + files after Paramiko initially read them. (Includes related fix to guard + against duplicate entries during subsequent `known_hosts` loads.) Thanks to + `@sunweaver` for the contribution. + +v1.10.2 (DD MM 2013) +-------------------- + +* #153, #67: Warn on parse failure when reading known_hosts + file. Thanks to `@glasserc` for patch. +* #146: Indentation fixes for readability. Thanks to Abhinav Upadhyay for catch + & patch. + +v1.10.1 (5th Apr 2013) +---------------------- + +* #142: (Fabric #811) SFTP put of empty file will still return the attributes + of the put file. Thanks to Jason R. Coombs for the patch. +* #154: (Fabric #876) Forwarded SSH agent connections left stale local pipes + lying around, which could cause local (and sometimes remote or network) + resource starvation when running many agent-using remote commands. Thanks to + Kevin Tegtmeier for catch & patch. + +v1.10.0 (1st Mar 2013) +-------------------- + +* #66: Batch SFTP writes to help speed up file transfers. Thanks to Olle + Lundberg for the patch. +* #133: Fix handling of window-change events to be on-spec and not + attempt to wait for a response from the remote sshd; this fixes problems with + less common targets such as some Cisco devices. Thanks to Phillip Heller for + catch & patch. +* #93: Overhaul SSH config parsing to be in line with `man ssh_config` (& the + behavior of `ssh` itself), including addition of parameter expansion within + config values. Thanks to Olle Lundberg for the patch. +* #110: Honor SSH config `AddressFamily` setting when looking up local + host's FQDN. Thanks to John Hensley for the patch. +* #128: Defer FQDN resolution until needed, when parsing SSH config files. + Thanks to Parantapa Bhattacharya for catch & patch. +* #102: Forego random padding for packets when running under `*-ctr` ciphers. + This corrects some slowdowns on platforms where random byte generation is + inefficient (e.g. Windows). Thanks to `@warthog618` for catch & patch, and + Michael van der Kolff for code/technique review. +* #127: Turn `SFTPFile` into a context manager. Thanks to Michael Williamson + for the patch. +* #116: Limit `Message.get_bytes` to an upper bound of 1MB to protect against + potential DoS vectors. Thanks to `@mvschaik` for catch & patch. +* #115: Add convenience `get_pty` kwarg to `Client.exec_command` so users not + manually controlling a channel object can still toggle PTY creation. Thanks + to Michael van der Kolff for the patch. +* #71: Add `SFTPClient.putfo` and `.getfo` methods to allow direct + uploading/downloading of file-like objects. Thanks to Eric Buehl for the + patch. +* #113: Add `timeout` parameter to `SSHClient.exec_command` for easier setting + of the command's internal channel object's timeout. Thanks to Cernov Vladimir + for the patch. +* #94: Remove duplication of SSH port constant. Thanks to Olle Lundberg for the + catch. +* #80: Expose the internal "is closed" property of the file transfer class + `BufferedFile` as `.closed`, better conforming to Python's file interface. + Thanks to `@smunaut` and James Hiscock for catch & patch. + v1.9.0 (6th Nov 2012) --------------------- @@ -286,7 +360,7 @@ v1.5 (paras) 02oct05 separation * demo scripts fixed to have a better chance of loading the host keys correctly on windows/cygwin - + v1.4 (oddish) 17jul05 --------------------- * added SSH-agent support (for posix) from john rochester diff --git a/README b/README index 9e9cc3a..1899819 100644 --- a/README +++ b/README @@ -5,22 +5,17 @@ paramiko :Paramiko: Python SSH module :Copyright: Copyright (c) 2003-2009 Robey Pointer <robeypointer@gmail.com> -:Copyright: Copyright (c) 2012 Jeff Forcier <jeff@bitprophet.org> +:Copyright: Copyright (c) 2013 Jeff Forcier <jeff@bitprophet.org> :License: LGPL :Homepage: https://github.com/paramiko/paramiko/ - - -paramiko 1.8.0 -============== - -Release of MM.YY.DD +:API docs: http://docs.paramiko.org What ---- "paramiko" is a combination of the esperanto words for "paranoid" and -"friend". it's a module for python 2.2+ that implements the SSH2 protocol +"friend". it's a module for python 2.5+ that implements the SSH2 protocol for secure (encrypted and authenticated) connections to remote machines. unlike SSL (aka TLS), SSH2 protocol does not require hierarchical certificates signed by a powerful central authority. you may know SSH2 as @@ -39,8 +34,7 @@ that should have come with this archive. Requirements ------------ - - python 2.3 or better <http://www.python.org/> - (python 2.2 is also supported, but not recommended) + - python 2.5 or better <http://www.python.org/> - pycrypto 2.1 or better <https://www.dlitz.net/software/pycrypto/> If you have setuptools, you can build and install paramiko and all its @@ -58,19 +52,6 @@ should also work on Windows, though i don't test it as frequently there. if you run into Windows problems, send me a patch: portability is important to me. -python 2.2 may work, thanks to some patches from Roger Binns. things to -watch out for: - - * sockets in 2.2 don't support timeouts, so the 'select' module is - imported to do polling. - * logging is mostly stubbed out. it works just enough to let paramiko - create log files for debugging, if you want them. to get real logging, - you can backport python 2.3's logging package. Roger has done that - already: - http://sourceforge.net/project/showfiles.php?group_id=75211&package_id=113804 - -you really should upgrade to python 2.3. laziness is no excuse! :) - some python distributions don't include the utf-8 string encodings, for reasons of space (misdirected as that is). if your distribution is missing encodings, you'll see an error like this:: diff --git a/debian/changelog b/debian/changelog index 1715ae1..282c6a1 100644 --- a/debian/changelog +++ b/debian/changelog @@ -1,8 +1,15 @@ -paramiko (1.9.0-0~git20121107) UNRELEASED; urgency=low +paramiko (1.11.0-0~git20130429) UNRELEASED; urgency=low + + * New upstream, using Git commit: 777d1576ca825f43d00f699865ead9bc0c37c637. + Development version. + + -- Mike Gabriel <mike.gabriel@das-netzwerkteam.de> Mon, 29 Apr 2013 13:08:38 +0200 + +paramiko (1.9.0-0~git20121108) unstable; urgency=low * New upstream release, using tag v1.9.0 from upstream Git. - -- Mike Gabriel <mike.gabriel@das-netzwerkteam.de> Wed, 07 Nov 2012 15:35:43 +0100 + -- Mike Gabriel <mike.gabriel@das-netzwerkteam.de> Mon, 29 Apr 2013 13:08:33 +0200 paramiko (1.8.0-0~git20121015) unstable; urgency=low diff --git a/debian/patches/001_no-upstream-Makefile b/debian/patches/001_no-upstream-Makefile deleted file mode 100644 index 438897f..0000000 --- a/debian/patches/001_no-upstream-Makefile +++ /dev/null @@ -1,18 +0,0 @@ ---- a/Makefile -+++ /dev/null -@@ -1,15 +0,0 @@ --release: docs -- python setup.py sdist register upload -- --docs: -- epydoc --no-private -o docs/ paramiko -- --clean: -- rm -rf build dist docs -- rm -f MANIFEST *.log demos/*.log -- rm -f paramiko/*.pyc -- rm -f test.log -- rm -rf paramiko.egg-info -- --test: -- python ./test.py diff --git a/debian/patches/series b/debian/patches/series index 340df87..0813e3c 100644 --- a/debian/patches/series +++ b/debian/patches/series @@ -1 +1 @@ -001_no-upstream-Makefile +001_no-upstream-makefile.patch diff --git a/demos/demo.py b/demos/demo.py index 05524d3..c21a926 100755 --- a/demos/demo.py +++ b/demos/demo.py @@ -26,7 +26,6 @@ import os import select import socket import sys -import threading import time import traceback diff --git a/paramiko/__init__.py b/paramiko/__init__.py index 29e470a..099314e 100644 --- a/paramiko/__init__.py +++ b/paramiko/__init__.py @@ -18,7 +18,7 @@ """ I{Paramiko} (a combination of the esperanto words for "paranoid" and "friend") -is a module for python 2.3 or greater that implements the SSH2 protocol for +is a module for python 2.5 or greater that implements the SSH2 protocol for secure (encrypted and authenticated) connections to remote machines. Unlike SSL (aka TLS), the SSH2 protocol does not require hierarchical certificates signed by a powerful central authority. You may know SSH2 as the protocol that @@ -50,12 +50,12 @@ Website: U{https://github.com/paramiko/paramiko/} import sys -if sys.version_info < (2, 2): - raise RuntimeError('You need python 2.2 for this module.') +if sys.version_info < (2, 5): + raise RuntimeError('You need python 2.5+ for this module.') __author__ = "Jeff Forcier <jeff@bitprophet.org>" -__version__ = "1.9.0" +__version__ = "1.10.1" __license__ = "GNU Lesser General Public License (LGPL)" diff --git a/paramiko/_winapi.py b/paramiko/_winapi.py new file mode 100644 index 0000000..f141b00 --- /dev/null +++ b/paramiko/_winapi.py @@ -0,0 +1,269 @@ +""" +Windows API functions implemented as ctypes functions and classes as found +in jaraco.windows (2.10). + +If you encounter issues with this module, please consider reporting the issues +in jaraco.windows and asking the author to port the fixes back here. +""" + +import ctypes +import ctypes.wintypes +import __builtin__ + +###################### +# jaraco.windows.error + +def format_system_message(errno): + """ + Call FormatMessage with a system error number to retrieve + the descriptive error message. + """ + # first some flags used by FormatMessageW + ALLOCATE_BUFFER = 0x100 + ARGUMENT_ARRAY = 0x2000 + FROM_HMODULE = 0x800 + FROM_STRING = 0x400 + FROM_SYSTEM = 0x1000 + IGNORE_INSERTS = 0x200 + + # Let FormatMessageW allocate the buffer (we'll free it below) + # Also, let it know we want a system error message. + flags = ALLOCATE_BUFFER | FROM_SYSTEM + source = None + message_id = errno + language_id = 0 + result_buffer = ctypes.wintypes.LPWSTR() + buffer_size = 0 + arguments = None + bytes = ctypes.windll.kernel32.FormatMessageW( + flags, + source, + message_id, + language_id, + ctypes.byref(result_buffer), + buffer_size, + arguments, + ) + # note the following will cause an infinite loop if GetLastError + # repeatedly returns an error that cannot be formatted, although + # this should not happen. + handle_nonzero_success(bytes) + message = result_buffer.value + ctypes.windll.kernel32.LocalFree(result_buffer) + return message + + +class WindowsError(__builtin__.WindowsError): + "more info about errors at http://msdn.microsoft.com/en-us/library/ms681381(VS.85).aspx" + + def __init__(self, value=None): + if value is None: + value = ctypes.windll.kernel32.GetLastError() + strerror = format_system_message(value) + super(WindowsError, self).__init__(value, strerror) + + @property + def message(self): + return self.strerror + + @property + def code(self): + return self.winerror + + def __str__(self): + return self.message + + def __repr__(self): + return '{self.__class__.__name__}({self.winerror})'.format(**vars()) + +def handle_nonzero_success(result): + if result == 0: + raise WindowsError() + + +##################### +# jaraco.windows.mmap + +CreateFileMapping = ctypes.windll.kernel32.CreateFileMappingW +CreateFileMapping.argtypes = [ + ctypes.wintypes.HANDLE, + ctypes.c_void_p, + ctypes.wintypes.DWORD, + ctypes.wintypes.DWORD, + ctypes.wintypes.DWORD, + ctypes.wintypes.LPWSTR, +] +CreateFileMapping.restype = ctypes.wintypes.HANDLE + +MapViewOfFile = ctypes.windll.kernel32.MapViewOfFile +MapViewOfFile.restype = ctypes.wintypes.HANDLE + +class MemoryMap(object): + """ + A memory map object which can have security attributes overrideden. + """ + def __init__(self, name, length, security_attributes=None): + self.name = name + self.length = length + self.security_attributes = security_attributes + self.pos = 0 + + def __enter__(self): + p_SA = ( + ctypes.byref(self.security_attributes) + if self.security_attributes else None + ) + INVALID_HANDLE_VALUE = -1 + PAGE_READWRITE = 0x4 + FILE_MAP_WRITE = 0x2 + filemap = ctypes.windll.kernel32.CreateFileMappingW( + INVALID_HANDLE_VALUE, p_SA, PAGE_READWRITE, 0, self.length, + unicode(self.name)) + handle_nonzero_success(filemap) + if filemap == INVALID_HANDLE_VALUE: + raise Exception("Failed to create file mapping") + self.filemap = filemap + self.view = MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0) + return self + + def seek(self, pos): + self.pos = pos + + def write(self, msg): + ctypes.windll.msvcrt.memcpy(self.view + self.pos, msg, len(msg)) + self.pos += len(msg) + + def read(self, n): + """ + Read n bytes from mapped view. + """ + out = ctypes.create_string_buffer(n) + ctypes.windll.msvcrt.memcpy(out, self.view + self.pos, n) + self.pos += n + return out.raw + + def __exit__(self, exc_type, exc_val, tb): + ctypes.windll.kernel32.UnmapViewOfFile(self.view) + ctypes.windll.kernel32.CloseHandle(self.filemap) + +######################### +# jaraco.windows.security + +class TokenInformationClass: + TokenUser = 1 + +class TOKEN_USER(ctypes.Structure): + num = 1 + _fields_ = [ + ('SID', ctypes.c_void_p), + ('ATTRIBUTES', ctypes.wintypes.DWORD), + ] + + +class SECURITY_DESCRIPTOR(ctypes.Structure): + """ + typedef struct _SECURITY_DESCRIPTOR + { + UCHAR Revision; + UCHAR Sbz1; + SECURITY_DESCRIPTOR_CONTROL Control; + PSID Owner; + PSID Group; + PACL Sacl; + PACL Dacl; + } SECURITY_DESCRIPTOR; + """ + SECURITY_DESCRIPTOR_CONTROL = ctypes.wintypes.USHORT + REVISION = 1 + + _fields_ = [ + ('Revision', ctypes.c_ubyte), + ('Sbz1', ctypes.c_ubyte), + ('Control', SECURITY_DESCRIPTOR_CONTROL), + ('Owner', ctypes.c_void_p), + ('Group', ctypes.c_void_p), + ('Sacl', ctypes.c_void_p), + ('Dacl', ctypes.c_void_p), + ] + +class SECURITY_ATTRIBUTES(ctypes.Structure): + """ + typedef struct _SECURITY_ATTRIBUTES { + DWORD nLength; + LPVOID lpSecurityDescriptor; + BOOL bInheritHandle; + } SECURITY_ATTRIBUTES; + """ + _fields_ = [ + ('nLength', ctypes.wintypes.DWORD), + ('lpSecurityDescriptor', ctypes.c_void_p), + ('bInheritHandle', ctypes.wintypes.BOOL), + ] + + def __init__(self, *args, **kwargs): + super(SECURITY_ATTRIBUTES, self).__init__(*args, **kwargs) + self.nLength = ctypes.sizeof(SECURITY_ATTRIBUTES) + + def _get_descriptor(self): + return self._descriptor + def _set_descriptor(self, descriptor): + self._descriptor = descriptor + self.lpSecurityDescriptor = ctypes.addressof(descriptor) + descriptor = property(_get_descriptor, _set_descriptor) + +def GetTokenInformation(token, information_class): + """ + Given a token, get the token information for it. + """ + data_size = ctypes.wintypes.DWORD() + ctypes.windll.advapi32.GetTokenInformation(token, information_class.num, + 0, 0, ctypes.byref(data_size)) + data = ctypes.create_string_buffer(data_size.value) + handle_nonzero_success(ctypes.windll.advapi32.GetTokenInformation(token, + information_class.num, + ctypes.byref(data), ctypes.sizeof(data), + ctypes.byref(data_size))) + return ctypes.cast(data, ctypes.POINTER(TOKEN_USER)).contents + +class TokenAccess: + TOKEN_QUERY = 0x8 + +def OpenProcessToken(proc_handle, access): + result = ctypes.wintypes.HANDLE() + proc_handle = ctypes.wintypes.HANDLE(proc_handle) + handle_nonzero_success(ctypes.windll.advapi32.OpenProcessToken( + proc_handle, access, ctypes.byref(result))) + return result + +def get_current_user(): + """ + Return a TOKEN_USER for the owner of this process. + """ + process = OpenProcessToken( + ctypes.windll.kernel32.GetCurrentProcess(), + TokenAccess.TOKEN_QUERY, + ) + return GetTokenInformation(process, TOKEN_USER) + +def get_security_attributes_for_user(user=None): + """ + Return a SECURITY_ATTRIBUTES structure with the SID set to the + specified user (uses current user if none is specified). + """ + if user is None: + user = get_current_user() + + assert isinstance(user, TOKEN_USER), "user must be TOKEN_USER instance" + + SD = SECURITY_DESCRIPTOR() + SA = SECURITY_ATTRIBUTES() + # by attaching the actual security descriptor, it will be garbage- + # collected with the security attributes + SA.descriptor = SD + SA.bInheritHandle = 1 + + ctypes.windll.advapi32.InitializeSecurityDescriptor(ctypes.byref(SD), + SECURITY_DESCRIPTOR.REVISION) + ctypes.windll.advapi32.SetSecurityDescriptorOwner(ctypes.byref(SD), + user.SID, 0) + return SA diff --git a/paramiko/agent.py b/paramiko/agent.py index 5d04dce..d4ff703 100644 --- a/paramiko/agent.py +++ b/paramiko/agent.py @@ -130,15 +130,22 @@ class AgentProxyThread(threading.Thread): if len(data) != 0: self.__inr.send(data) else: + self._close() break elif self.__inr == fd: data = self.__inr.recv(512) if len(data) != 0: self._agent._conn.send(data) else: + self._close() break time.sleep(io_sleep) + def _close(self): + self._exit = True + self.__inr.close() + self._agent._conn.close() + class AgentLocalProxy(AgentProxyThread): """ Class to be used when wanting to ask a local SSH Agent being @@ -248,11 +255,11 @@ class AgentServerProxy(AgentSSH): self.close() def connect(self): - conn_sock = self.__t.open_forward_agent_channel() - if conn_sock is None: - raise SSHException('lost ssh-agent') - conn_sock.set_name('auth-agent') - self._connect(conn_sock) + conn_sock = self.__t.open_forward_agent_channel() + if conn_sock is None: + raise SSHException('lost ssh-agent') + conn_sock.set_name('auth-agent') + self._connect(conn_sock) def close(self): """ diff --git a/paramiko/channel.py b/paramiko/channel.py index 534f8d7..0c603c6 100644 --- a/paramiko/channel.py +++ b/paramiko/channel.py @@ -122,7 +122,8 @@ class Channel (object): out += '>' return out - def get_pty(self, term='vt100', width=80, height=24): + def get_pty(self, term='vt100', width=80, height=24, width_pixels=0, + height_pixels=0): """ Request a pseudo-terminal from the server. This is usually used right after creating a client channel, to ask the server to provide some @@ -136,6 +137,10 @@ class Channel (object): @type width: int @param height: height (in characters) of the terminal screen @type height: int + @param width_pixels: width (in pixels) of the terminal screen + @type width_pixels: int + @param height_pixels: height (in pixels) of the terminal screen + @type height_pixels: int @raise SSHException: if the request was rejected or the channel was closed @@ -150,8 +155,8 @@ class Channel (object): m.add_string(term) m.add_int(width) m.add_int(height) - # pixel height, width (usually useless) - m.add_int(0).add_int(0) + m.add_int(width_pixels) + m.add_int(height_pixels) m.add_string('') self._event_pending() self.transport._send_user_message(m) @@ -239,7 +244,7 @@ class Channel (object): self.transport._send_user_message(m) self._wait_for_event() - def resize_pty(self, width=80, height=24): + def resize_pty(self, width=80, height=24, width_pixels=0, height_pixels=0): """ Resize the pseudo-terminal. This can be used to change the width and height of the terminal emulation created in a previous L{get_pty} call. @@ -248,6 +253,10 @@ class Channel (object): @type width: int @param height: new height (in characters) of the terminal screen @type height: int + @param width_pixels: new width (in pixels) of the terminal screen + @type width_pixels: int + @param height_pixels: new height (in pixels) of the terminal screen + @type height_pixels: int @raise SSHException: if the request was rejected or the channel was closed @@ -258,13 +267,12 @@ class Channel (object): m.add_byte(chr(MSG_CHANNEL_REQUEST)) m.add_int(self.remote_chanid) m.add_string('window-change') - m.add_boolean(True) + m.add_boolean(False) m.add_int(width) m.add_int(height) - m.add_int(0).add_int(0) - self._event_pending() + m.add_int(width_pixels) + m.add_int(height_pixels) self.transport._send_user_message(m) - self._wait_for_event() def exit_status_ready(self): """ diff --git a/paramiko/client.py b/paramiko/client.py index 0f05f30..493d548 100644 --- a/paramiko/client.py +++ b/paramiko/client.py @@ -28,6 +28,7 @@ import warnings from paramiko.agent import Agent from paramiko.common import * +from paramiko.config import SSH_PORT from paramiko.dsskey import DSSKey from paramiko.hostkeys import HostKeys from paramiko.resource import ResourceManager @@ -37,8 +38,6 @@ from paramiko.transport import Transport from paramiko.util import retry_on_signal -SSH_PORT = 22 - class MissingHostKeyPolicy (object): """ Interface for defining the policy that L{SSHClient} should use when the @@ -355,7 +354,7 @@ class SSHClient (object): self._agent.close() self._agent = None - def exec_command(self, command, bufsize=-1): + def exec_command(self, command, bufsize=-1, timeout=None, get_pty=False): """ Execute a command on the SSH server. A new L{Channel} is opened and the requested command is executed. The command's input and output @@ -366,19 +365,25 @@ class SSHClient (object): @type command: str @param bufsize: interpreted the same way as by the built-in C{file()} function in python @type bufsize: int + @param timeout: set command's channel timeout. See L{Channel.settimeout}.settimeout + @type timeout: int @return: the stdin, stdout, and stderr of the executing command @rtype: tuple(L{ChannelFile}, L{ChannelFile}, L{ChannelFile}) @raise SSHException: if the server fails to execute the command """ chan = self._transport.open_session() + if(get_pty): + chan.get_pty() + chan.settimeout(timeout) chan.exec_command(command) stdin = chan.makefile('wb', bufsize) stdout = chan.makefile('rb', bufsize) stderr = chan.makefile_stderr('rb', bufsize) return stdin, stdout, stderr - def invoke_shell(self, term='vt100', width=80, height=24): + def invoke_shell(self, term='vt100', width=80, height=24, width_pixels=0, + height_pixels=0): """ Start an interactive shell session on the SSH server. A new L{Channel} is opened and connected to a pseudo-terminal using the requested @@ -390,13 +395,17 @@ class SSHClient (object): @type width: int @param height: the height (in characters) of the terminal window @type height: int + @param width_pixels: the width (in pixels) of the terminal window + @type width_pixels: int + @param height_pixels: the height (in pixels) of the terminal window + @type height_pixels: int @return: a new channel connected to the remote shell @rtype: L{Channel} @raise SSHException: if the server fails to invoke a shell """ chan = self._transport.open_session() - chan.get_pty(term, width, height) + chan.get_pty(term, width, height, width_pixels, height_pixels) chan.invoke_shell() return chan diff --git a/paramiko/config.py b/paramiko/config.py index 2828d90..31caf29 100644 --- a/paramiko/config.py +++ b/paramiko/config.py @@ -1,4 +1,5 @@ # Copyright (C) 2006-2007 Robey Pointer <robeypointer@gmail.com> +# Copyright (C) 2012 Olle Lundberg <geek@nerd.sh> # # This file is part of paramiko. # @@ -25,10 +26,55 @@ import os import re import socket -SSH_PORT=22 +SSH_PORT = 22 proxy_re = re.compile(r"^(proxycommand)\s*=*\s*(.*)", re.I) +class LazyFqdn(object): + """ + Returns the host's fqdn on request as string. + """ + + def __init__(self, config): + self.fqdn = None + self.config = config + + def __str__(self): + if self.fqdn is None: + # + # If the SSH config contains AddressFamily, use that when + # determining the local host's FQDN. Using socket.getfqdn() from + # the standard library is the most general solution, but can + # result in noticeable delays on some platforms when IPv6 is + # misconfigured or not available, as it calls getaddrinfo with no + # address family specified, so both IPv4 and IPv6 are checked. + # + + # Handle specific option + fqdn = None + address_family = self.config.get('addressfamily', 'any').lower() + if address_family != 'any': + family = socket.AF_INET if address_family == 'inet' \ + else socket.AF_INET6 + results = socket.getaddrinfo(host, + None, + family, + socket.SOCK_DGRAM, + socket.IPPROTO_IP, + socket.AI_CANONNAME) + for res in results: + af, socktype, proto, canonname, sa = res + if canonname and '.' in canonname: + fqdn = canonname + break + # Handle 'any' / unspecified + if fqdn is None: + fqdn = socket.getfqdn() + # Cache + self.fqdn = fqdn + return self.fqdn + + class SSHConfig (object): """ Representation of config information as stored in the format used by @@ -44,7 +90,7 @@ class SSHConfig (object): """ Create a new OpenSSH config object. """ - self._config = [ { 'host': '*' } ] + self._config = [] def parse(self, file_obj): """ @@ -53,7 +99,7 @@ class SSHConfig (object): @param file_obj: a file-like object to read the config file from @type file_obj: file """ - configs = [self._config[0]] + host = {"host": ['*'], "config": {}} for line in file_obj: line = line.rstrip('\n').lstrip() if (line == '') or (line[0] == '#'): @@ -77,20 +123,20 @@ class SSHConfig (object): value = line[i:].lstrip() if key == 'host': - del configs[:] - # the value may be multiple hosts, space-delimited - for host in value.split(): - # do we have a pre-existing host config to append to? - matches = [c for c in self._config if c['host'] == host] - if len(matches) > 0: - configs.append(matches[0]) - else: - config = { 'host': host } - self._config.append(config) - configs.append(config) - else: - for config in configs: - config[key] = value + self._config.append(host) + value = value.split() + host = {key: value, 'config': {}} + #identityfile is a special case, since it is allowed to be + # specified multiple times and they should be tried in order + # of specification. + elif key == 'identityfile': + if key in host['config']: + host['config']['identityfile'].append(value) + else: + host['config']['identityfile'] = [value] + elif key not in host['config']: + host['config'].update({key: value}) + self._config.append(host) def lookup(self, hostname): """ @@ -105,31 +151,45 @@ class SSHConfig (object): will win out. The keys in the returned dict are all normalized to lowercase (look for - C{"port"}, not C{"Port"}. No other processing is done to the keys or - values. + C{"port"}, not C{"Port"}. The values are processed according to the + rules for substitution variable expansion in C{ssh_config}. @param hostname: the hostname to lookup @type hostname: str """ - matches = [x for x in self._config if fnmatch.fnmatch(hostname, x['host'])] - # Move * to the end - _star = matches.pop(0) - matches.append(_star) + + matches = [config for config in self._config if + self._allowed(hostname, config['host'])] + ret = {} - for m in matches: - for k,v in m.iteritems(): - if not k in ret: - ret[k] = v + for match in matches: + for key, value in match['config'].iteritems(): + if key not in ret: + # Create a copy of the original value, + # else it will reference the original list + # in self._config and update that value too + # when the extend() is being called. + ret[key] = value[:] + elif key == 'identityfile': + ret[key].extend(value) ret = self._expand_variables(ret, hostname) - del ret['host'] return ret - def _expand_variables(self, config, hostname ): + def _allowed(self, hostname, hosts): + match = False + for host in hosts: + if host.startswith('!') and fnmatch.fnmatch(hostname, host[1:]): + return False + elif fnmatch.fnmatch(hostname, host): + match = True + return match + + def _expand_variables(self, config, hostname): """ Return a dict of config options with expanded substitutions for a given hostname. - Please refer to man ssh_config(5) for the parameters that + Please refer to man C{ssh_config} for the parameters that are replaced. @param config: the config for the hostname @@ -139,7 +199,7 @@ class SSHConfig (object): """ if 'hostname' in config: - config['hostname'] = config['hostname'].replace('%h',hostname) + config['hostname'] = config['hostname'].replace('%h', hostname) else: config['hostname'] = hostname @@ -155,34 +215,42 @@ class SSHConfig (object): remoteuser = user host = socket.gethostname().split('.')[0] - fqdn = socket.getfqdn() + fqdn = LazyFqdn(config) homedir = os.path.expanduser('~') - replacements = { - 'controlpath': [ - ('%h', config['hostname']), - ('%l', fqdn), - ('%L', host), - ('%n', hostname), - ('%p', port), - ('%r', remoteuser), - ('%u', user) - ], - 'identityfile': [ - ('~', homedir), - ('%d', homedir), - ('%h', config['hostname']), - ('%l', fqdn), - ('%u', user), - ('%r', remoteuser) - ], - 'proxycommand': [ - ('%h', config['hostname']), - ('%p', port), - ('%r', remoteuser), - ], - } + replacements = {'controlpath': + [ + ('%h', config['hostname']), + ('%l', fqdn), + ('%L', host), + ('%n', hostname), + ('%p', port), + ('%r', remoteuser), + ('%u', user) + ], + 'identityfile': + [ + ('~', homedir), + ('%d', homedir), + ('%h', config['hostname']), + ('%l', fqdn), + ('%u', user), + ('%r', remoteuser) + ], + 'proxycommand': + [ + ('%h', config['hostname']), + ('%p', port), + ('%r', remoteuser) + ] + } + for k in config: if k in replacements: for find, replace in replacements[k]: + if isinstance(config[k], list): + for item in range(len(config[k])): + config[k][item] = config[k][item].\ + replace(find, str(replace)) + else: config[k] = config[k].replace(find, str(replace)) return config diff --git a/paramiko/file.py b/paramiko/file.py index d4aec8e..7e2904e 100644 --- a/paramiko/file.py +++ b/paramiko/file.py @@ -354,6 +354,10 @@ class BufferedFile (object): """ return self + @property + def closed(self): + return self._closed + ### overrides... diff --git a/paramiko/hostkeys.py b/paramiko/hostkeys.py index 27b9fef..822e8e7 100644 --- a/paramiko/hostkeys.py +++ b/paramiko/hostkeys.py @@ -28,6 +28,7 @@ import UserDict from paramiko.common import * from paramiko.dsskey import DSSKey from paramiko.rsakey import RSAKey +from paramiko.util import get_logger class InvalidHostKey(Exception): @@ -48,7 +49,7 @@ class HostKeyEntry: self.hostnames = hostnames self.key = key - def from_line(cls, line): + def from_line(cls, line, lineno=None): """ Parses the given line of text to find the names for the host, the type of key, and the key data. The line is expected to be in the @@ -61,9 +62,12 @@ class HostKeyEntry: @param line: a line from an OpenSSH known_hosts file @type line: str """ + log = get_logger('paramiko.hostkeys') fields = line.split(' ') if len(fields) < 3: # Bad number of fields + log.warn("Not enough fields found in known_hosts in line %s (%r)" % + (lineno, line)) return None fields = fields[:3] @@ -78,6 +82,7 @@ class HostKeyEntry: elif keytype == 'ssh-dss': key = DSSKey(data=base64.decodestring(key)) else: + log.warn("Unable to handle key of type %s" % (keytype,)) return None except binascii.Error, e: raise InvalidHostKey(line, e) @@ -125,9 +130,9 @@ class HostKeys (UserDict.DictMixin): if filename is not None: self.load(filename) - def add(self, hostname, keytype, key): + def add(self, hostname, keytype, key, hash_hostname=True): """ - Add a host key entry to the table. Any existing entry for a + Add a host key entry to the table. Any existing entry for a C{(hostname, keytype)} pair will be replaced. @param hostname: the hostname (or IP) to add @@ -136,6 +141,7 @@ class HostKeys (UserDict.DictMixin): @type keytype: str @param key: the key to add @type key: L{PKey} + """ for e in self._entries: if (hostname in e.hostnames) and (e.key.get_name() == keytype): @@ -162,11 +168,11 @@ class HostKeys (UserDict.DictMixin): @raise IOError: if there was an error reading the file """ f = open(filename, 'r') - for line in f: + for lineno, line in enumerate(f): line = line.strip() if (len(line) == 0) or (line[0] == '#'): continue - e = HostKeyEntry.from_line(line) + e = HostKeyEntry.from_line(line, lineno) if e is not None: _hostnames = e.hostnames for h in _hostnames: diff --git a/paramiko/message.py b/paramiko/message.py index 366c43c..47acc34 100644 --- a/paramiko/message.py +++ b/paramiko/message.py @@ -110,7 +110,8 @@ class Message (object): @rtype: string """ b = self.packet.read(n) - if len(b) < n: + max_pad_size = 1<<20 # Limit padding to 1 MB + if len(b) < n and n < max_pad_size: return b + '\x00' * (n - len(b)) return b diff --git a/paramiko/packet.py b/paramiko/packet.py index 5d918e2..38a6d4b 100644 --- a/paramiko/packet.py +++ b/paramiko/packet.py @@ -87,6 +87,7 @@ class Packetizer (object): self.__mac_size_in = 0 self.__block_engine_out = None self.__block_engine_in = None + self.__sdctr_out = False self.__mac_engine_out = None self.__mac_engine_in = None self.__mac_key_out = '' @@ -110,11 +111,12 @@ class Packetizer (object): """ self.__logger = log - def set_outbound_cipher(self, block_engine, block_size, mac_engine, mac_size, mac_key): + def set_outbound_cipher(self, block_engine, block_size, mac_engine, mac_size, mac_key, sdctr=False): """ Switch outbound data cipher. """ self.__block_engine_out = block_engine + self.__sdctr_out = sdctr self.__block_size_out = block_size self.__mac_engine_out = mac_engine self.__mac_size_out = mac_size @@ -490,12 +492,12 @@ class Packetizer (object): padding = 3 + bsize - ((len(payload) + 8) % bsize) packet = struct.pack('>IB', len(payload) + padding + 1, padding) packet += payload - if self.__block_engine_out is not None: - packet += rng.read(padding) - else: - # cute trick i caught openssh doing: if we're not encrypting, + if self.__sdctr_out or self.__block_engine_out is None: + # cute trick i caught openssh doing: if we're not encrypting or SDCTR mode (RFC4344), # don't waste random bytes for the padding packet += (chr(0) * padding) + else: + packet += rng.read(padding) return packet def _trigger_rekey(self): diff --git a/paramiko/sftp_client.py b/paramiko/sftp_client.py index 3eaefc9..17ea493 100644 --- a/paramiko/sftp_client.py +++ b/paramiko/sftp_client.py @@ -198,7 +198,7 @@ class SFTPClient (BaseSFTP): Open a file on the remote server. The arguments are the same as for python's built-in C{file} (aka C{open}). A file-like object is returned, which closely mimics the behavior of a normal python file - object. + object, including the ability to be used as a context manager. The mode indicates how the file is to be opened: C{'r'} for reading, C{'w'} for writing (truncating an existing file), C{'a'} for appending, @@ -533,6 +533,56 @@ class SFTPClient (BaseSFTP): """ return self._cwd + def putfo(self, fl, remotepath, file_size=0, callback=None, confirm=True): + """ + Copy the contents of an open file object (C{fl}) to the SFTP server as + C{remotepath}. Any exception raised by operations will be passed through. + + The SFTP operations use pipelining for speed. + + @param fl: opened file or file-like object to copy + @type localpath: object + @param remotepath: the destination path on the SFTP server + @type remotepath: str + @param file_size: optional size parameter passed to callback. If none is + specified, size defaults to 0 + @type file_size: int + @param callback: optional callback function that accepts the bytes + transferred so far and the total bytes to be transferred + (since 1.7.4) + @type callback: function(int, int) + @param confirm: whether to do a stat() on the file afterwards to + confirm the file size (since 1.7.7) + @type confirm: bool + + @return: an object containing attributes about the given file + (since 1.7.4) + @rtype: SFTPAttributes + + @since: 1.4 + """ + fr = self.file(remotepath, 'wb') + fr.set_pipelined(True) + size = 0 + try: + while True: + data = fl.read(32768) + fr.write(data) + size += len(data) + if callback is not None: + callback(size, file_size) + if len(data) == 0: + break + finally: + fr.close() + if confirm: + s = self.stat(remotepath) + if s.st_size != size: + raise IOError('size mismatch in put! %d != %d' % (s.st_size, size)) + else: + s = SFTPAttributes() + return s + def put(self, localpath, remotepath, callback=None, confirm=True): """ Copy a local file (C{localpath}) to the SFTP server as C{remotepath}. @@ -562,29 +612,46 @@ class SFTPClient (BaseSFTP): file_size = os.stat(localpath).st_size fl = file(localpath, 'rb') try: - fr = self.file(remotepath, 'wb') - fr.set_pipelined(True) - size = 0 - try: - while True: - data = fl.read(32768) - if len(data) == 0: - break - fr.write(data) - size += len(data) - if callback is not None: - callback(size, file_size) - finally: - fr.close() + return self.putfo(fl, remotepath, os.stat(localpath).st_size, callback, confirm) finally: fl.close() - if confirm: - s = self.stat(remotepath) - if s.st_size != size: - raise IOError('size mismatch in put! %d != %d' % (s.st_size, size)) - else: - s = SFTPAttributes() - return s + + def getfo(self, remotepath, fl, callback=None): + """ + Copy a remote file (C{remotepath}) from the SFTP server and write to + an open file or file-like object, C{fl}. Any exception raised by + operations will be passed through. This method is primarily provided + as a convenience. + + @param remotepath: opened file or file-like object to copy to + @type remotepath: object + @param fl: the destination path on the local host or open file + object + @type localpath: str + @param callback: optional callback function that accepts the bytes + transferred so far and the total bytes to be transferred + (since 1.7.4) + @type callback: function(int, int) + @return: the number of bytes written to the opened file object + + @since: 1.4 + """ + fr = self.file(remotepath, 'rb') + file_size = self.stat(remotepath).st_size + fr.prefetch() + try: + size = 0 + while True: + data = fr.read(32768) + fl.write(data) + size += len(data) + if callback is not None: + callback(size, file_size) + if len(data) == 0: + break + finally: + fr.close() + return size def get(self, remotepath, localpath, callback=None): """ @@ -603,25 +670,12 @@ class SFTPClient (BaseSFTP): @since: 1.4 """ - fr = self.file(remotepath, 'rb') file_size = self.stat(remotepath).st_size - fr.prefetch() + fl = file(localpath, 'wb') try: - fl = file(localpath, 'wb') - try: - size = 0 - while True: - data = fr.read(32768) - fl.write(data) - size += len(data) - if callback is not None: - callback(size, file_size) - if len(data) == 0: - break - finally: - fl.close() + size = self.getfo(remotepath, fl, callback) finally: - fr.close() + fl.close() s = os.stat(localpath) if s.st_size != size: raise IOError('size mismatch in get! %d != %d' % (s.st_size, size)) diff --git a/paramiko/sftp_file.py b/paramiko/sftp_file.py index 8c5c7ac..e056d70 100644 --- a/paramiko/sftp_file.py +++ b/paramiko/sftp_file.py @@ -21,6 +21,7 @@ L{SFTPFile} """ from binascii import hexlify +from collections import deque import socket import threading import time @@ -34,6 +35,9 @@ from paramiko.sftp_attr import SFTPAttributes class SFTPFile (BufferedFile): """ Proxy object for a file on the remote server, in client mode SFTP. + + Instances of this class may be used as context managers in the same way + that built-in Python file objects are. """ # Some sftp servers will choke if you send read/write requests larger than @@ -51,6 +55,7 @@ class SFTPFile (BufferedFile): self._prefetch_data = {} self._prefetch_reads = [] self._saved_exception = None + self._reqs = deque() def __del__(self): self._close(async=True) @@ -160,12 +165,14 @@ class SFTPFile (BufferedFile): def _write(self, data): # may write less than requested if it would exceed max packet size chunk = min(len(data), self.MAX_REQUEST_SIZE) - req = self.sftp._async_request(type(None), CMD_WRITE, self.handle, long(self._realpos), str(data[:chunk])) - if not self.pipelined or self.sftp.sock.recv_ready(): - t, msg = self.sftp._read_response(req) - if t != CMD_STATUS: - raise SFTPError('Expected status') - # convert_status already called + self._reqs.append(self.sftp._async_request(type(None), CMD_WRITE, self.handle, long(self._realpos), str(data[:chunk]))) + if not self.pipelined or (len(self._reqs) > 100 and self.sftp.sock.recv_ready()): + while len(self._reqs): + req = self._reqs.popleft() + t, msg = self.sftp._read_response(req) + if t != CMD_STATUS: + raise SFTPError('Expected status') + # convert_status already called return chunk def settimeout(self, timeout): @@ -474,3 +481,9 @@ class SFTPFile (BufferedFile): x = self._saved_exception self._saved_exception = None raise x + + def __enter__(self): + return self + + def __exit__(self, type, value, traceback): + self.close() diff --git a/paramiko/transport.py b/paramiko/transport.py index c801031..201a253 100644 --- a/paramiko/transport.py +++ b/paramiko/transport.py @@ -1439,7 +1439,7 @@ class Transport (threading.Thread): break self.clear_to_send_lock.release() if time.time() > start + self.clear_to_send_timeout: - raise SSHException('Key-exchange timed out waiting for key negotiation') + raise SSHException('Key-exchange timed out waiting for key negotiation') try: self._send_message(data) finally: @@ -1885,7 +1885,8 @@ class Transport (threading.Thread): mac_key = self._compute_key('F', mac_engine.digest_size) else: mac_key = self._compute_key('E', mac_engine.digest_size) - self.packetizer.set_outbound_cipher(engine, block_size, mac_engine, mac_size, mac_key) + sdctr = self.local_cipher.endswith('-ctr') + self.packetizer.set_outbound_cipher(engine, block_size, mac_engine, mac_size, mac_key, sdctr) compress_out = self._compression_info[self.local_compression][0] if (compress_out is not None) and ((self.local_compression != 'zlib@openssh.com') or self.authenticated): self._log(DEBUG, 'Switching on outbound compression ...') diff --git a/paramiko/win_pageant.py b/paramiko/win_pageant.py index d77d58f..b96a740 100644 --- a/paramiko/win_pageant.py +++ b/paramiko/win_pageant.py @@ -21,28 +21,15 @@ Functions for communicating with Pageant, the basic windows ssh agent program. """ -import os +from __future__ import with_statement + import struct -import tempfile -import mmap +import threading import array import platform import ctypes.wintypes -# if you're on windows, you should have one of these, i guess? -# ctypes is part of standard library since Python 2.5 -_has_win32all = False -_has_ctypes = False -try: - # win32gui is preferred over win32ui to avoid MFC dependencies - import win32gui - _has_win32all = True -except ImportError: - try: - import ctypes - _has_ctypes = True - except ImportError: - pass +from . import _winapi _AGENT_COPYDATA_ID = 0x804e50ba _AGENT_MAX_MSGLEN = 8192 @@ -52,16 +39,7 @@ win32con_WM_COPYDATA = 74 def _get_pageant_window_object(): - if _has_win32all: - try: - hwnd = win32gui.FindWindow('Pageant', 'Pageant') - return hwnd - except win32gui.error: - pass - elif _has_ctypes: - # Return 0 if there is no Pageant window. - return ctypes.windll.user32.FindWindowA('Pageant', 'Pageant') - return None + return ctypes.windll.user32.FindWindowA('Pageant', 'Pageant') def can_talk_to_agent(): @@ -71,9 +49,7 @@ def can_talk_to_agent(): This checks both if we have the required libraries (win32all or ctypes) and if there is a Pageant currently running. """ - if (_has_win32all or _has_ctypes) and _get_pageant_window_object(): - return True - return False + return bool(_get_pageant_window_object()) ULONG_PTR = ctypes.c_uint64 if platform.architecture()[0] == '64bit' else ctypes.c_uint32 class COPYDATASTRUCT(ctypes.Structure): @@ -88,48 +64,39 @@ class COPYDATASTRUCT(ctypes.Structure): ] def _query_pageant(msg): + """ + Communication with the Pageant process is done through a shared + memory-mapped file. + """ hwnd = _get_pageant_window_object() if not hwnd: # Raise a failure to connect exception, pageant isn't running anymore! return None - # Write our pageant request string into the file (pageant will read this to determine what to do) - filename = tempfile.mktemp('.pag') - map_filename = os.path.basename(filename) - - f = open(filename, 'w+b') - f.write(msg ) - # Ensure the rest of the file is empty, otherwise pageant will read this - f.write('\0' * (_AGENT_MAX_MSGLEN - len(msg))) - # Create the shared file map that pageant will use to read from - pymap = mmap.mmap(f.fileno(), _AGENT_MAX_MSGLEN, tagname=map_filename, access=mmap.ACCESS_WRITE) - try: + # create a name for the mmap + map_name = 'PageantRequest%08x' % threading.current_thread().ident + + pymap = _winapi.MemoryMap(map_name, _AGENT_MAX_MSGLEN, + _winapi.get_security_attributes_for_user(), + ) + with pymap: + pymap.write(msg) # Create an array buffer containing the mapped filename - char_buffer = array.array("c", map_filename + '\0') + char_buffer = array.array("c", map_name + '\0') char_buffer_address, char_buffer_size = char_buffer.buffer_info() # Create a string to use for the SendMessage function call - cds = COPYDATASTRUCT(_AGENT_COPYDATA_ID, char_buffer_size, char_buffer_address) + cds = COPYDATASTRUCT(_AGENT_COPYDATA_ID, char_buffer_size, + char_buffer_address) - if _has_win32all: - # win32gui.SendMessage should also allow the same pattern as - # ctypes, but let's keep it like this for now... - response = win32gui.SendMessage(hwnd, win32con_WM_COPYDATA, ctypes.sizeof(cds), ctypes.addressof(cds)) - elif _has_ctypes: - response = ctypes.windll.user32.SendMessageA(hwnd, win32con_WM_COPYDATA, ctypes.sizeof(cds), ctypes.byref(cds)) - else: - response = 0 + response = ctypes.windll.user32.SendMessageA(hwnd, + win32con_WM_COPYDATA, ctypes.sizeof(cds), ctypes.byref(cds)) if response > 0: + pymap.seek(0) datalen = pymap.read(4) retlen = struct.unpack('>I', datalen)[0] return datalen + pymap.read(retlen) return None - finally: - pymap.close() - f.close() - # Remove the file, it was temporary only - os.unlink(filename) - class PageantConnection (object): """ diff --git a/requirements.txt b/requirements.txt new file mode 100644 index 0000000..75112a2 --- /dev/null +++ b/requirements.txt @@ -0,0 +1,2 @@ +pycrypto +tox diff --git a/setup.py b/setup.py index 1bb1a71..02a71e5 100644 --- a/setup.py +++ b/setup.py @@ -52,7 +52,7 @@ if sys.platform == 'darwin': setup(name = "paramiko", - version = "1.9.0", + version = "1.11.0", description = "SSH2 protocol library", author = "Jeff Forcier", author_email = "jeff@bitprophet.org", diff --git a/tests/test_sftp.py b/tests/test_sftp.py index 2eadabc..b1697ea 100755 --- a/tests/test_sftp.py +++ b/tests/test_sftp.py @@ -23,15 +23,15 @@ a real actual sftp server is contacted, and a new folder is created there to do test file operations in (so no existing files will be harmed). """ +from __future__ import with_statement + from binascii import hexlify -import logging import os -import random -import struct +import warnings import sys import threading -import time import unittest +import StringIO import paramiko from stub_sftp import StubServer, StubSFTPServer @@ -188,6 +188,17 @@ class SFTPTest (unittest.TestCase): finally: sftp.remove(FOLDER + '/duck.txt') + def test_3_sftp_file_can_be_used_as_context_manager(self): + """ + verify that an opened file can be used as a context manager + """ + try: + with sftp.open(FOLDER + '/duck.txt', 'w') as f: + f.write(ARTICLE) + self.assertEqual(sftp.stat(FOLDER + '/duck.txt').st_size, 1483) + finally: + sftp.remove(FOLDER + '/duck.txt') + def test_4_append(self): """ verify that a file can be opened for append, and tell() still works. @@ -214,7 +225,7 @@ class SFTPTest (unittest.TestCase): """ f = sftp.open(FOLDER + '/first.txt', 'w') try: - f.write('content!\n'); + f.write('content!\n') f.close() sftp.rename(FOLDER + '/first.txt', FOLDER + '/second.txt') try: @@ -425,7 +436,7 @@ class SFTPTest (unittest.TestCase): self.assertEqual(sftp.readlink(FOLDER + '/link.txt'), 'original.txt') f = sftp.open(FOLDER + '/link.txt', 'r') - self.assertEqual(f.readlines(), [ 'original\n' ]) + self.assertEqual(f.readlines(), ['original\n']) f.close() cwd = sftp.normalize('.') @@ -553,7 +564,6 @@ class SFTPTest (unittest.TestCase): """ verify that get/put work. """ - import os, warnings warnings.filterwarnings('ignore', 'tempnam.*') localname = os.tempnam() @@ -618,7 +628,7 @@ class SFTPTest (unittest.TestCase): try: f = sftp.open(FOLDER + '/unusual.txt', 'wx') self.fail('expected exception') - except IOError, x: + except IOError: pass finally: sftp.unlink(FOLDER + '/unusual.txt') @@ -658,12 +668,12 @@ class SFTPTest (unittest.TestCase): f.close() try: f = sftp.open(FOLDER + '/zero', 'r') - data = f.readv([(0, 12)]) + f.readv([(0, 12)]) f.close() f = sftp.open(FOLDER + '/zero', 'r') f.prefetch() - data = f.read(100) + f.read(100) f.close() finally: sftp.unlink(FOLDER + '/zero') @@ -672,7 +682,6 @@ class SFTPTest (unittest.TestCase): """ verify that get/put work without confirmation. """ - import os, warnings warnings.filterwarnings('ignore', 'tempnam.*') localname = os.tempnam() @@ -684,7 +693,7 @@ class SFTPTest (unittest.TestCase): def progress_callback(x, y): saved_progress.append((x, y)) res = sftp.put(localname, FOLDER + '/bunny.txt', progress_callback, False) - + self.assertEquals(SFTPAttributes().attr, res.attr) f = sftp.open(FOLDER + '/bunny.txt', 'r') @@ -717,3 +726,15 @@ class SFTPTest (unittest.TestCase): finally: sftp.remove(FOLDER + '/append.txt') + def test_putfo_empty_file(self): + """ + Send an empty file and confirm it is sent. + """ + target = FOLDER + '/empty file.txt' + stream = StringIO.StringIO() + try: + attrs = sftp.putfo(stream, target) + # the returned attributes should not be null + self.assertNotEqual(attrs, None) + finally: + sftp.remove(target) diff --git a/tests/test_util.py b/tests/test_util.py index 093a215..efda9b2 100644 --- a/tests/test_util.py +++ b/tests/test_util.py @@ -104,23 +104,32 @@ class UtilTest(ParamikoTest): f = cStringIO.StringIO(test_config_file) config = paramiko.util.parse_ssh_config(f) self.assertEquals(config._config, - [ {'identityfile': '~/.ssh/id_rsa', 'host': '*', 'user': 'robey', - 'crazy': 'something dumb '}, - {'host': '*.example.com', 'user': 'bjork', 'port': '3333'}, - {'host': 'spoo.example.com', 'crazy': 'something else'}]) + [{'host': ['*'], 'config': {}}, {'host': ['*'], 'config': {'identityfile': ['~/.ssh/id_rsa'], 'user': 'robey'}}, + {'host': ['*.example.com'], 'config': {'user': 'bjork', 'port': '3333'}}, + {'host': ['*'], 'config': {'crazy': 'something dumb '}}, + {'host': ['spoo.example.com'], 'config': {'crazy': 'something else'}}]) def test_3_host_config(self): global test_config_file f = cStringIO.StringIO(test_config_file) config = paramiko.util.parse_ssh_config(f) + for host, values in { - 'irc.danger.com': {'user': 'robey', 'crazy': 'something dumb '}, - 'irc.example.com': {'user': 'bjork', 'crazy': 'something dumb ', 'port': '3333'}, - 'spoo.example.com': {'user': 'bjork', 'crazy': 'something else', 'port': '3333'} + 'irc.danger.com': {'crazy': 'something dumb ', + 'hostname': 'irc.danger.com', + 'user': 'robey'}, + 'irc.example.com': {'crazy': 'something dumb ', + 'hostname': 'irc.example.com', + 'user': 'robey', + 'port': '3333'}, + 'spoo.example.com': {'crazy': 'something dumb ', + 'hostname': 'spoo.example.com', + 'user': 'robey', + 'port': '3333'} }.items(): values = dict(values, hostname=host, - identityfile=os.path.expanduser("~/.ssh/id_rsa") + identityfile=[os.path.expanduser("~/.ssh/id_rsa")] ) self.assertEquals( paramiko.util.lookup_ssh_host_config(host, config), @@ -151,8 +160,8 @@ class UtilTest(ParamikoTest): # just verify that we can pull out 32 bytes and not get an exception. x = rng.read(32) self.assertEquals(len(x), 32) - - def test_7_host_config_expose_ssh_issue_33(self): + + def test_7_host_config_expose_issue_33(self): test_config_file = """ Host www13.* Port 22 @@ -220,16 +229,16 @@ Host equals-delimited ProxyCommand should perform interpolation on the value """ config = paramiko.util.parse_ssh_config(cStringIO.StringIO(""" -Host * - Port 25 - ProxyCommand host %h port %p - Host specific Port 37 ProxyCommand host %h port %p lol Host portonly Port 155 + +Host * + Port 25 + ProxyCommand host %h port %p """)) for host, val in ( ('foo.com', "host foo.com port 25"), @@ -240,3 +249,83 @@ Host portonly host_config(host, config)['proxycommand'], val ) + + def test_11_host_config_test_negation(self): + test_config_file = """ +Host www13.* !*.example.com + Port 22 + +Host *.example.com !www13.* + Port 2222 + +Host www13.* + Port 8080 + +Host * + Port 3333 + """ + f = cStringIO.StringIO(test_config_file) + config = paramiko.util.parse_ssh_config(f) + host = 'www13.example.com' + self.assertEquals( + paramiko.util.lookup_ssh_host_config(host, config), + {'hostname': host, 'port': '8080'} + ) + + def test_12_host_config_test_proxycommand(self): + test_config_file = """ +Host proxy-with-equal-divisor-and-space +ProxyCommand = foo=bar + +Host proxy-with-equal-divisor-and-no-space +ProxyCommand=foo=bar + +Host proxy-without-equal-divisor +ProxyCommand foo=bar:%h-%p + """ + for host, values in { + 'proxy-with-equal-divisor-and-space' :{'hostname': 'proxy-with-equal-divisor-and-space', + 'proxycommand': 'foo=bar'}, + 'proxy-with-equal-divisor-and-no-space':{'hostname': 'proxy-with-equal-divisor-and-no-space', + 'proxycommand': 'foo=bar'}, + 'proxy-without-equal-divisor' :{'hostname': 'proxy-without-equal-divisor', + 'proxycommand': + 'foo=bar:proxy-without-equal-divisor-22'} + }.items(): + + f = cStringIO.StringIO(test_config_file) + config = paramiko.util.parse_ssh_config(f) + self.assertEquals( + paramiko.util.lookup_ssh_host_config(host, config), + values + ) + + def test_11_host_config_test_identityfile(self): + test_config_file = """ + +IdentityFile id_dsa0 + +Host * +IdentityFile id_dsa1 + +Host dsa2 +IdentityFile id_dsa2 + +Host dsa2* +IdentityFile id_dsa22 + """ + for host, values in { + 'foo' :{'hostname': 'foo', + 'identityfile': ['id_dsa0', 'id_dsa1']}, + 'dsa2' :{'hostname': 'dsa2', + 'identityfile': ['id_dsa0', 'id_dsa1', 'id_dsa2', 'id_dsa22']}, + 'dsa22' :{'hostname': 'dsa22', + 'identityfile': ['id_dsa0', 'id_dsa1', 'id_dsa22']} + }.items(): + + f = cStringIO.StringIO(test_config_file) + config = paramiko.util.parse_ssh_config(f) + self.assertEquals( + paramiko.util.lookup_ssh_host_config(host, config), + values + ) diff --git a/tox.ini b/tox.ini new file mode 100644 index 0000000..6cb8001 --- /dev/null +++ b/tox.ini @@ -0,0 +1,6 @@ +[tox] +envlist = py25,py26,py27 + +[testenv] +commands = pip install --use-mirrors -q -r requirements.txt + python test.py hooks/post-receive -- python-paramiko.git (Debian package python-paramiko) This is an automated email from the git hooks/post-receive script. 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