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@ -76,6 +76,10 @@ DOCUMENTATION = '''
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vars:
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vars:
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- name: ansible_sshpass_prompt
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- name: ansible_sshpass_prompt
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version_added: '2.10'
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version_added: '2.10'
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deprecated:
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why: due to removal of reliance on sshpass
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version: "2.20"
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alternatives: none
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ssh_args:
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ssh_args:
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description: Arguments to pass to all SSH CLI tools.
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description: Arguments to pass to all SSH CLI tools.
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default: '-C -o ControlMaster=auto -o ControlPersist=60s'
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default: '-C -o ControlMaster=auto -o ControlPersist=60s'
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@ -357,7 +361,6 @@ DOCUMENTATION = '''
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type: string
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type: string
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description:
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description:
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- "PKCS11 SmartCard provider such as opensc, example: /usr/local/lib/opensc-pkcs11.so"
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- "PKCS11 SmartCard provider such as opensc, example: /usr/local/lib/opensc-pkcs11.so"
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- Requires sshpass version 1.06+, sshpass must support the -P option.
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env: [{name: ANSIBLE_PKCS11_PROVIDER}]
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env: [{name: ANSIBLE_PKCS11_PROVIDER}]
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ini:
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ini:
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- {key: pkcs11_provider, section: ssh_connection}
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- {key: pkcs11_provider, section: ssh_connection}
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@ -366,7 +369,7 @@ DOCUMENTATION = '''
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'''
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'''
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import collections.abc as c
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import collections.abc as c
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import errno
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import contextlib
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import fcntl
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import fcntl
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import hashlib
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import hashlib
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import io
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import io
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@ -376,22 +379,25 @@ import re
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import selectors
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import selectors
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import shlex
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import shlex
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import subprocess
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import subprocess
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import sys
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import time
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import time
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import typing as t
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import typing as t
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from functools import wraps
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from functools import wraps
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from multiprocessing.shared_memory import SharedMemory
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from ansible.errors import (
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from ansible.errors import (
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AnsibleAuthenticationFailure,
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AnsibleAuthenticationFailure,
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AnsibleConnectionFailure,
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AnsibleConnectionFailure,
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AnsibleError,
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AnsibleError,
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AnsibleFileNotFound,
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AnsibleFileNotFound,
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)
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)
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from ansible.module_utils.six import PY3, text_type, binary_type
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from ansible.module_utils.six import text_type, binary_type
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from ansible.module_utils.common.text.converters import to_bytes, to_native, to_text
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from ansible.module_utils.common.text.converters import to_bytes, to_native, to_text
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from ansible.plugins.connection import ConnectionBase, BUFSIZE
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from ansible.plugins.connection import ConnectionBase, BUFSIZE
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from ansible.plugins.shell.powershell import _parse_clixml
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from ansible.plugins.shell.powershell import _parse_clixml
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from ansible.utils.display import Display
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from ansible.utils.display import Display
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from ansible.utils.path import unfrackpath, makedirs_safe
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from ansible.utils.path import unfrackpath, makedirs_safe
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from ansible.ssh_askpass import ssh_askpass
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display = Display()
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display = Display()
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@ -408,6 +414,8 @@ b_NOT_SSH_ERRORS = (b'Traceback (most recent call last):', # Python-2.6 when th
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SSHPASS_AVAILABLE = None
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SSHPASS_AVAILABLE = None
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SSH_DEBUG = re.compile(r'^debug\d+: .*')
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SSH_DEBUG = re.compile(r'^debug\d+: .*')
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_HAS_RESOURCE_TRACK = sys.version_info[:2] >= (3, 13)
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class AnsibleControlPersistBrokenPipeError(AnsibleError):
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class AnsibleControlPersistBrokenPipeError(AnsibleError):
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''' ControlPersist broken pipe '''
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''' ControlPersist broken pipe '''
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@ -423,34 +431,6 @@ def _handle_error(
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display: Display = display,
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display: Display = display,
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) -> None:
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) -> None:
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# sshpass errors
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if command == b'sshpass':
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# Error 5 is invalid/incorrect password. Raise an exception to prevent retries from locking the account.
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if return_tuple[0] == 5:
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msg = 'Invalid/incorrect username/password. Skipping remaining {0} retries to prevent account lockout:'.format(remaining_retries)
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if remaining_retries <= 0:
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msg = 'Invalid/incorrect password:'
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if no_log:
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msg = '{0} <error censored due to no log>'.format(msg)
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else:
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msg = '{0} {1}'.format(msg, to_native(return_tuple[2]).rstrip())
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raise AnsibleAuthenticationFailure(msg)
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# sshpass returns codes are 1-6. We handle 5 previously, so this catches other scenarios.
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# No exception is raised, so the connection is retried - except when attempting to use
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# sshpass_prompt with an sshpass that won't let us pass -P, in which case we fail loudly.
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elif return_tuple[0] in [1, 2, 3, 4, 6]:
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msg = 'sshpass error:'
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if no_log:
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msg = '{0} <error censored due to no log>'.format(msg)
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else:
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details = to_native(return_tuple[2]).rstrip()
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if "sshpass: invalid option -- 'P'" in details:
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details = 'Installed sshpass version does not support customized password prompts. ' \
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'Upgrade sshpass to use sshpass_prompt, or otherwise switch to ssh keys.'
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raise AnsibleError('{0} {1}'.format(msg, details))
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msg = '{0} {1}'.format(msg, details)
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if return_tuple[0] == 255:
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if return_tuple[0] == 255:
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SSH_ERROR = True
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SSH_ERROR = True
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for signature in b_NOT_SSH_ERRORS:
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for signature in b_NOT_SSH_ERRORS:
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@ -487,7 +467,6 @@ def _ssh_retry(
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* an exception is caught
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* an exception is caught
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* ssh returns 255
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* ssh returns 255
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Will not retry if
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Will not retry if
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* sshpass returns 5 (invalid password, to prevent account lockouts)
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* remaining_tries is < 2
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* remaining_tries is < 2
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* retries limit reached
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* retries limit reached
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"""
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"""
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@ -498,10 +477,6 @@ def _ssh_retry(
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conn_password = self.get_option('password') or self._play_context.password
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conn_password = self.get_option('password') or self._play_context.password
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for attempt in range(remaining_tries):
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for attempt in range(remaining_tries):
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cmd = t.cast(list[bytes], args[0])
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cmd = t.cast(list[bytes], args[0])
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if attempt != 0 and conn_password and isinstance(cmd, list):
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# If this is a retry, the fd/pipe for sshpass is closed, and we need a new one
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self.sshpass_pipe = os.pipe()
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cmd[1] = b'-d' + to_bytes(self.sshpass_pipe[0], nonstring='simplerepr', errors='surrogate_or_strict')
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try:
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try:
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try:
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try:
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@ -517,10 +492,6 @@ def _ssh_retry(
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except (AnsibleControlPersistBrokenPipeError):
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except (AnsibleControlPersistBrokenPipeError):
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# Retry one more time because of the ControlPersist broken pipe (see #16731)
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# Retry one more time because of the ControlPersist broken pipe (see #16731)
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cmd = t.cast(list[bytes], args[0])
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cmd = t.cast(list[bytes], args[0])
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if conn_password and isinstance(cmd, list):
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# This is a retry, so the fd/pipe for sshpass is closed, and we need a new one
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self.sshpass_pipe = os.pipe()
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cmd[1] = b'-d' + to_bytes(self.sshpass_pipe[0], nonstring='simplerepr', errors='surrogate_or_strict')
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display.vvv(u"RETRYING BECAUSE OF CONTROLPERSIST BROKEN PIPE")
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display.vvv(u"RETRYING BECAUSE OF CONTROLPERSIST BROKEN PIPE")
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return_tuple = func(self, *args, **kwargs)
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return_tuple = func(self, *args, **kwargs)
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@ -529,7 +500,6 @@ def _ssh_retry(
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break
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break
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# 5 = Invalid/incorrect password from sshpass
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except AnsibleAuthenticationFailure:
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except AnsibleAuthenticationFailure:
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# Raising this exception, which is subclassed from AnsibleConnectionFailure, prevents further retries
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# Raising this exception, which is subclassed from AnsibleConnectionFailure, prevents further retries
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raise
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raise
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@ -558,6 +528,24 @@ def _ssh_retry(
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return wrapped
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return wrapped
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def _clean_shm(func):
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def inner(self, *args, **kwargs):
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try:
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ret = func(self, *args, **kwargs)
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finally:
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with contextlib.suppress(AttributeError):
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self.shm.close()
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with contextlib.suppress(FileNotFoundError):
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self.shm.unlink()
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if not _HAS_RESOURCE_TRACK:
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# deprecated: description='unneeded due to track argument for SharedMemory' python_version='3.13'
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# There is a resource tracking issue where the resource is deleted, but tracking still has a record
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# This will effectively overwrite the record and remove it
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SharedMemory(name=self.shm.name, create=True, size=1).unlink()
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return ret
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return inner
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class Connection(ConnectionBase):
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class Connection(ConnectionBase):
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''' ssh based connections '''
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''' ssh based connections '''
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@ -573,6 +561,7 @@ class Connection(ConnectionBase):
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self.user = self._play_context.remote_user
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self.user = self._play_context.remote_user
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self.control_path: str | None = None
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self.control_path: str | None = None
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self.control_path_dir: str | None = None
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self.control_path_dir: str | None = None
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self.shm = None
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# Windows operates differently from a POSIX connection/shell plugin,
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# Windows operates differently from a POSIX connection/shell plugin,
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# we need to set various properties to ensure SSH on Windows continues
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# we need to set various properties to ensure SSH on Windows continues
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@ -610,24 +599,6 @@ class Connection(ConnectionBase):
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cpath = '%(directory)s/' + digest[:10]
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cpath = '%(directory)s/' + digest[:10]
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return cpath
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return cpath
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@staticmethod
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def _sshpass_available() -> bool:
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global SSHPASS_AVAILABLE
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# We test once if sshpass is available, and remember the result. It
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# would be nice to use distutils.spawn.find_executable for this, but
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# distutils isn't always available; shutils.which() is Python3-only.
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if SSHPASS_AVAILABLE is None:
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try:
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p = subprocess.Popen(["sshpass"], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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p.communicate()
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SSHPASS_AVAILABLE = True
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except OSError:
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SSHPASS_AVAILABLE = False
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return SSHPASS_AVAILABLE
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@staticmethod
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@staticmethod
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def _persistence_controls(b_command: list[bytes]) -> tuple[bool, bool]:
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def _persistence_controls(b_command: list[bytes]) -> tuple[bool, bool]:
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'''
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'''
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@ -677,31 +648,12 @@ class Connection(ConnectionBase):
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b_command = []
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b_command = []
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conn_password = self.get_option('password') or self._play_context.password
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conn_password = self.get_option('password') or self._play_context.password
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pkcs11_provider = self.get_option("pkcs11_provider")
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#
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#
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# First, the command to invoke
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# First, the command to invoke
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#
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#
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# If we want to use password authentication, we have to set up a pipe to
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# write the password to sshpass.
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pkcs11_provider = self.get_option("pkcs11_provider")
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if conn_password or pkcs11_provider:
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if not self._sshpass_available():
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raise AnsibleError("to use the 'ssh' connection type with passwords or pkcs11_provider, you must install the sshpass program")
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|
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|
|
if not conn_password and pkcs11_provider:
|
|
|
|
|
|
|
|
raise AnsibleError("to use pkcs11_provider you must specify a password/pin")
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
self.sshpass_pipe = os.pipe()
|
|
|
|
|
|
|
|
b_command += [b'sshpass', b'-d' + to_bytes(self.sshpass_pipe[0], nonstring='simplerepr', errors='surrogate_or_strict')]
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
password_prompt = self.get_option('sshpass_prompt')
|
|
|
|
|
|
|
|
if not password_prompt and pkcs11_provider:
|
|
|
|
|
|
|
|
# Set default password prompt for pkcs11_provider to make it clear its a PIN
|
|
|
|
|
|
|
|
password_prompt = 'Enter PIN for '
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if password_prompt:
|
|
|
|
|
|
|
|
b_command += [b'-P', to_bytes(password_prompt, errors='surrogate_or_strict')]
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
b_command += [to_bytes(binary, errors='surrogate_or_strict')]
|
|
|
|
b_command += [to_bytes(binary, errors='surrogate_or_strict')]
|
|
|
|
|
|
|
|
|
|
|
|
#
|
|
|
|
#
|
|
|
@ -720,12 +672,12 @@ class Connection(ConnectionBase):
|
|
|
|
# sftp batch mode allows us to correctly catch failed transfers, but can
|
|
|
|
# sftp batch mode allows us to correctly catch failed transfers, but can
|
|
|
|
# be disabled if the client side doesn't support the option. However,
|
|
|
|
# be disabled if the client side doesn't support the option. However,
|
|
|
|
# sftp batch mode does not prompt for passwords so it must be disabled
|
|
|
|
# sftp batch mode does not prompt for passwords so it must be disabled
|
|
|
|
# if not using controlpersist and using sshpass
|
|
|
|
# if not using controlpersist and using password auth
|
|
|
|
b_args: t.Iterable[bytes]
|
|
|
|
b_args: t.Iterable[bytes]
|
|
|
|
if subsystem == 'sftp' and self.get_option('sftp_batch_mode'):
|
|
|
|
if subsystem == 'sftp' and self.get_option('sftp_batch_mode'):
|
|
|
|
if conn_password:
|
|
|
|
if conn_password:
|
|
|
|
b_args = [b'-o', b'BatchMode=no']
|
|
|
|
b_args = [b'-o', b'BatchMode=no']
|
|
|
|
self._add_args(b_command, b_args, u'disable batch mode for sshpass')
|
|
|
|
self._add_args(b_command, b_args, u'disable batch mode for password auth')
|
|
|
|
b_command += [b'-b', b'-']
|
|
|
|
b_command += [b'-b', b'-']
|
|
|
|
|
|
|
|
|
|
|
|
if display.verbosity:
|
|
|
|
if display.verbosity:
|
|
|
@ -906,6 +858,7 @@ class Connection(ConnectionBase):
|
|
|
|
|
|
|
|
|
|
|
|
return b''.join(output), remainder
|
|
|
|
return b''.join(output), remainder
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
@_clean_shm
|
|
|
|
def _bare_run(self, cmd: list[bytes], in_data: bytes | None, sudoable: bool = True, checkrc: bool = True) -> tuple[int, bytes, bytes]:
|
|
|
|
def _bare_run(self, cmd: list[bytes], in_data: bytes | None, sudoable: bool = True, checkrc: bool = True) -> tuple[int, bytes, bytes]:
|
|
|
|
'''
|
|
|
|
'''
|
|
|
|
Starts the command and communicates with it until it ends.
|
|
|
|
Starts the command and communicates with it until it ends.
|
|
|
@ -927,17 +880,38 @@ class Connection(ConnectionBase):
|
|
|
|
else:
|
|
|
|
else:
|
|
|
|
cmd = list(map(to_bytes, cmd))
|
|
|
|
cmd = list(map(to_bytes, cmd))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
env = os.environ.copy()
|
|
|
|
|
|
|
|
popen_kwargs = {}
|
|
|
|
|
|
|
|
|
|
|
|
conn_password = self.get_option('password') or self._play_context.password
|
|
|
|
conn_password = self.get_option('password') or self._play_context.password
|
|
|
|
|
|
|
|
pkcs11_provider = self.get_option("pkcs11_provider")
|
|
|
|
|
|
|
|
if conn_password or pkcs11_provider:
|
|
|
|
|
|
|
|
if not conn_password and pkcs11_provider:
|
|
|
|
|
|
|
|
raise AnsibleError("to use pkcs11_provider you must specify a password/pin")
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
b_conn_password = conn_password.encode('utf-8')
|
|
|
|
|
|
|
|
kwargs = {}
|
|
|
|
|
|
|
|
if _HAS_RESOURCE_TRACK:
|
|
|
|
|
|
|
|
# deprecated: description='track argument for SharedMemory always available' python_version='3.13'
|
|
|
|
|
|
|
|
kwargs['track'] = False
|
|
|
|
|
|
|
|
self.shm = shm = SharedMemory(create=True, size=16384, **kwargs)
|
|
|
|
|
|
|
|
shm.buf[:len(b_conn_password)] = bytearray(b_conn_password)
|
|
|
|
|
|
|
|
shm.close()
|
|
|
|
|
|
|
|
env['_ANSIBLE_SSH_ASKPASS_SHM'] = str(self.shm.name)
|
|
|
|
|
|
|
|
env['SSH_ASKPASS'] = os.path.splitext(ssh_askpass.__file__)[0] + '.py'
|
|
|
|
|
|
|
|
# SSH_ASKPASS_REQUIRE was added in openssh 8.4, prior to 8.4 there must be no tty, and DISPLAY must be set
|
|
|
|
|
|
|
|
env['SSH_ASKPASS_REQUIRE'] = 'force'
|
|
|
|
|
|
|
|
env['DISPLAY'] = '-'
|
|
|
|
|
|
|
|
popen_kwargs['env'] = env
|
|
|
|
|
|
|
|
# start_new_session runs setsid which detaches the tty to support the use of ASKPASS prior to openssh 8.4
|
|
|
|
|
|
|
|
popen_kwargs['start_new_session'] = True
|
|
|
|
|
|
|
|
|
|
|
|
if not in_data:
|
|
|
|
if not in_data:
|
|
|
|
try:
|
|
|
|
try:
|
|
|
|
# Make sure stdin is a proper pty to avoid tcgetattr errors
|
|
|
|
# Make sure stdin is a proper pty to avoid tcgetattr errors
|
|
|
|
master, slave = pty.openpty()
|
|
|
|
master, slave = pty.openpty()
|
|
|
|
if PY3 and conn_password:
|
|
|
|
|
|
|
|
# pylint: disable=unexpected-keyword-arg
|
|
|
|
# pylint: disable=unexpected-keyword-arg
|
|
|
|
p = subprocess.Popen(cmd, stdin=slave, stdout=subprocess.PIPE, stderr=subprocess.PIPE, pass_fds=self.sshpass_pipe)
|
|
|
|
p = subprocess.Popen(cmd, stdin=slave, stdout=subprocess.PIPE, stderr=subprocess.PIPE, **popen_kwargs)
|
|
|
|
else:
|
|
|
|
|
|
|
|
p = subprocess.Popen(cmd, stdin=slave, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
|
|
|
|
|
|
stdin = os.fdopen(master, 'wb', 0)
|
|
|
|
stdin = os.fdopen(master, 'wb', 0)
|
|
|
|
os.close(slave)
|
|
|
|
os.close(slave)
|
|
|
|
except (OSError, IOError):
|
|
|
|
except (OSError, IOError):
|
|
|
@ -945,30 +919,13 @@ class Connection(ConnectionBase):
|
|
|
|
|
|
|
|
|
|
|
|
if not p:
|
|
|
|
if not p:
|
|
|
|
try:
|
|
|
|
try:
|
|
|
|
if PY3 and conn_password:
|
|
|
|
|
|
|
|
# pylint: disable=unexpected-keyword-arg
|
|
|
|
# pylint: disable=unexpected-keyword-arg
|
|
|
|
p = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
|
|
|
|
p = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
|
|
|
|
stderr=subprocess.PIPE, pass_fds=self.sshpass_pipe)
|
|
|
|
stderr=subprocess.PIPE, **popen_kwargs)
|
|
|
|
else:
|
|
|
|
|
|
|
|
p = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
|
|
|
|
|
|
|
|
stderr=subprocess.PIPE)
|
|
|
|
|
|
|
|
stdin = p.stdin # type: ignore[assignment] # stdin will be set and not None due to the calls above
|
|
|
|
stdin = p.stdin # type: ignore[assignment] # stdin will be set and not None due to the calls above
|
|
|
|
except (OSError, IOError) as e:
|
|
|
|
except (OSError, IOError) as e:
|
|
|
|
raise AnsibleError('Unable to execute ssh command line on a controller due to: %s' % to_native(e))
|
|
|
|
raise AnsibleError('Unable to execute ssh command line on a controller due to: %s' % to_native(e))
|
|
|
|
|
|
|
|
|
|
|
|
# If we are using SSH password authentication, write the password into
|
|
|
|
|
|
|
|
# the pipe we opened in _build_command.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if conn_password:
|
|
|
|
|
|
|
|
os.close(self.sshpass_pipe[0])
|
|
|
|
|
|
|
|
try:
|
|
|
|
|
|
|
|
os.write(self.sshpass_pipe[1], to_bytes(conn_password) + b'\n')
|
|
|
|
|
|
|
|
except OSError as e:
|
|
|
|
|
|
|
|
# Ignore broken pipe errors if the sshpass process has exited.
|
|
|
|
|
|
|
|
if e.errno != errno.EPIPE or p.poll() is None:
|
|
|
|
|
|
|
|
raise
|
|
|
|
|
|
|
|
os.close(self.sshpass_pipe[1])
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#
|
|
|
|
#
|
|
|
|
# SSH state machine
|
|
|
|
# SSH state machine
|
|
|
|
#
|
|
|
|
#
|
|
|
@ -1176,10 +1133,9 @@ class Connection(ConnectionBase):
|
|
|
|
p.stdout.close()
|
|
|
|
p.stdout.close()
|
|
|
|
p.stderr.close()
|
|
|
|
p.stderr.close()
|
|
|
|
|
|
|
|
|
|
|
|
if self.get_option('host_key_checking'):
|
|
|
|
if self.get_option('host_key_checking') and conn_password and b"read_passphrase: can't open /dev/tty" in b_stderr:
|
|
|
|
if cmd[0] == b"sshpass" and p.returncode == 6:
|
|
|
|
raise AnsibleError('Using a SSH password instead of a key is not possible because Host Key checking is enabled. '
|
|
|
|
raise AnsibleError('Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support '
|
|
|
|
'Please add this host\'s fingerprint to your known_hosts file to manage this host.')
|
|
|
|
'this. Please add this host\'s fingerprint to your known_hosts file to manage this host.')
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
controlpersisterror = b'Bad configuration option: ControlPersist' in b_stderr or b'unknown configuration option: ControlPersist' in b_stderr
|
|
|
|
controlpersisterror = b'Bad configuration option: ControlPersist' in b_stderr or b'unknown configuration option: ControlPersist' in b_stderr
|
|
|
|
if p.returncode != 0 and controlpersisterror:
|
|
|
|
if p.returncode != 0 and controlpersisterror:
|
|
|
|