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📄 __init__.py(237 B)
📁 __pycache__
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📄 botomod.py(7.98 KB)
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📁 decorators
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📄 dns.py(35.17 KB)
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📁 dockermod
📄 entrypoints.py(2.28 KB)
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📄 etcd_util.py(14.22 KB)
📄 event.py(52.3 KB)
📄 extend.py(8.87 KB)
📄 extmods.py(5.67 KB)
📄 filebuffer.py(3.15 KB)
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📄 fsutils.py(3.29 KB)
📄 functools.py(5.02 KB)
📄 gitfs.py(124.49 KB)
📄 github.py(1.52 KB)
📄 gzip_util.py(2.86 KB)
📄 hashutils.py(5.91 KB)
📄 http.py(34.36 KB)
📄 iam.py(1.22 KB)
📄 icinga2.py(754 B)
📄 idem.py(1.22 KB)
📄 immutabletypes.py(2.46 KB)
📄 itertools.py(2.36 KB)
📄 jid.py(3 KB)
📄 jinja.py(31.33 KB)
📄 job.py(6.01 KB)
📄 json.py(3.78 KB)
📄 kickstart.py(41.04 KB)
📄 kinds.py(493 B)
📄 lazy.py(3.06 KB)
📄 listdiffer.py(10.9 KB)
📄 locales.py(2.06 KB)
📄 mac_utils.py(14.01 KB)
📄 mako.py(3.63 KB)
📄 master.py(29.57 KB)
📄 mattermost.py(1.77 KB)
📄 memcached.py(3.56 KB)
📄 migrations.py(1.46 KB)
📄 mine.py(3.68 KB)
📄 minion.py(4.13 KB)
📄 minions.py(43.11 KB)
📄 mount.py(1.15 KB)
📄 msazure.py(5.36 KB)
📄 msgpack.py(4.69 KB)
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📄 napalm.py(23.79 KB)
📄 nb_popen.py(7.24 KB)
📄 network.py(71.06 KB)
📄 nxos.py(12.94 KB)
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📁 openstack
📄 oset.py(6.41 KB)
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📁 pkg
📄 platform.py(5.16 KB)
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📄 profile.py(3.21 KB)
📄 proxy.py(331 B)
📄 psutil_compat.py(3.65 KB)
📄 pushover.py(4.51 KB)
📄 pycrypto.py(5.39 KB)
📄 pydsl.py(13.74 KB)
📄 pyobjects.py(10.75 KB)
📄 reactor.py(19.09 KB)
📄 reclass.py(752 B)
📄 roster_matcher.py(3.55 KB)
📄 rsax931.py(8.07 KB)
📄 s3.py(8.78 KB)
📄 saltclass.py(14.27 KB)
📄 sanitizers.py(2.51 KB)
📄 schedule.py(70.67 KB)
📄 schema.py(54.26 KB)
📄 sdb.py(4.04 KB)
📄 slack.py(3.57 KB)
📄 smb.py(11.16 KB)
📄 smtp.py(3.27 KB)
📄 ssdp.py(14.75 KB)
📄 ssh.py(769 B)
📄 state.py(8.43 KB)
📄 stringio.py(355 B)
📄 stringutils.py(16.63 KB)
📄 systemd.py(5.51 KB)
📄 templates.py(23.92 KB)
📄 textformat.py(5.03 KB)
📄 thin.py(31.64 KB)
📄 timed_subprocess.py(4.06 KB)
📄 timeout.py(1.53 KB)
📄 timeutil.py(2.4 KB)
📄 url.py(4.96 KB)
📄 user.py(10.92 KB)
📁 validate
📄 value.py(247 B)
📄 vault.py(19.23 KB)
📄 verify.py(26.97 KB)
📄 versions.py(16.32 KB)
📄 virt.py(3.24 KB)
📄 virtualbox.py(22.43 KB)
📄 vmware.py(129.74 KB)
📄 vsan.py(17.18 KB)
📄 vt.py(30.25 KB)
📄 vt_helper.py(4.4 KB)
📄 win_chcp.py(3.7 KB)
📄 win_dacl.py(94.69 KB)
📄 win_dotnet.py(4.75 KB)
📄 win_functions.py(12.69 KB)
📄 win_lgpo_auditpol.py(8.48 KB)
📄 win_lgpo_netsh.py(17.87 KB)
📄 win_network.py(12.41 KB)
📄 win_osinfo.py(2.83 KB)
📄 win_pdh.py(13.85 KB)
📄 win_reg.py(30.05 KB)
📄 win_runas.py(10.55 KB)
📄 win_service.py(5.2 KB)
📄 win_system.py(14.47 KB)
📄 win_update.py(40.36 KB)
📄 winapi.py(818 B)
📄 xdg.py(316 B)
📄 xmlutil.py(13.91 KB)
📄 yaml.py(348 B)
📄 yamldumper.py(3.38 KB)
📄 yamlencoding.py(1.55 KB)
📄 yamlloader.py(6.21 KB)
📄 yamlloader_old.py(8.33 KB)
📄 yast.py(619 B)
📄 zeromq.py(1.65 KB)
📄 zfs.py(19.2 KB)

Editing: vt_helper.py

"""
    salt.utils.vt_helper
    ~~~~~~~~~~~~~~~~~~~~

VT Helper

This module provides the SSHConnection to expose an SSH connection object
    allowing users to programmatically execute commands on a remote server using
    Salt VT.
"""

import logging
import os
import re

from salt.utils.vt import Terminal, TerminalException

SSH_PASSWORD_PROMPT_RE = re.compile(r"(?:.*)[Pp]assword(?: for .*)?:", re.M)
KEY_VALID_RE = re.compile(r".*\(yes\/no\).*")

log = logging.getLogger(__name__)

class SSHConnection:
    """
    SSH Connection to a remote server.
    """

def __init__(
        self,
        username="salt",
        password="password",
        host="localhost",
        key_accept=False,
        prompt=r"(Cmd)",
        passwd_retries=3,
        linesep=os.linesep,
        ssh_args="",
    ):
        """
        Establishes a connection to the remote server.

The format for parameters is:

username (string): The username to use for this
            ssh connection. Defaults to root.
        password (string): The password to use for this
            ssh connection. Defaults to password.
        host (string): The host to connect to.
            Defaults to localhost.
        key_accept (boolean): Should we accept this host's key
            and add it to the known_hosts file? Defaults to False.
        prompt (string): The shell prompt (regex) on the server.
            Prompt is compiled into a regular expression.
            Defaults to (Cmd)
        passwd_retries (int): How many times should I try to send the password?
            Defaults to 3.
        linesep (string): The line separator to use when sending
            commands to the server. Defaults to os.linesep.
        ssh_args (string): Extra ssh args to use with ssh.
             Example: '-o PubkeyAuthentication=no'
        """
        self.conn = Terminal(
            "ssh {} -l {} {}".format(ssh_args, username, host),
            shell=True,
            log_stdout=True,
            log_stdout_level="trace",
            log_stderr=True,
            log_stderr_level="trace",
            stream_stdout=False,
            stream_stderr=False,
        )
        sent_passwd = 0

self.prompt_re = re.compile(prompt)
        self.linesep = linesep

while self.conn.has_unread_data:
            stdout, stderr = self.conn.recv()

if stdout and SSH_PASSWORD_PROMPT_RE.search(stdout):
                if not password:
                    log.error("Failure while authentication.")
                    raise TerminalException(
                        "Permission denied, no authentication information"
                    )
                if sent_passwd < passwd_retries:
                    self.conn.sendline(password, self.linesep)
                    sent_passwd += 1
                    continue
                else:
                    # asking for a password, and we can't seem to send it
                    raise TerminalException("Password authentication failed")
            elif stdout and KEY_VALID_RE.search(stdout):
                # Connecting to this server for the first time
                # and need to accept key
                if key_accept:
                    log.info("Adding %s to known_hosts", host)
                    self.conn.sendline("yes")
                    continue
                else:
                    self.conn.sendline("no")
            elif stdout and self.prompt_re.search(stdout):
                # Auth success!
                # We now have a prompt
                break

def sendline(self, cmd):
        """
        Send this command to the server and
        return a tuple of the output and the stderr.

The format for parameters is:

cmd (string): The command to send to the sever.
        """
        self.conn.sendline(cmd, self.linesep)

# saw_prompt = False
        ret_stdout = []
        ret_stderr = []
        while self.conn.has_unread_data:
            stdout, stderr = self.conn.recv()

if stdout:
                ret_stdout.append(stdout)
            if stderr:
                log.debug("Error while executing command.")
                ret_stderr.append(stderr)

if stdout and self.prompt_re.search(stdout):
                break

return "".join(ret_stdout), "".join(ret_stderr)

def close_connection(self):
        """
        Close the server connection
        """
        self.conn.close(terminate=True, kill=True)

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