Gecko [ tsuru-no-tsurugi.tokyo ]

Name	Size	Permission	Date
data	[ DIR ]	drwxr-xr-x	2024-08-29 14:21
afp.lua	71.48 KB	-rw-r--r--	2023-01-13 02:40
ajp.lua	16.77 KB	-rw-r--r--	2023-01-13 02:40
amqp.lua	10.41 KB	-rw-r--r--	2023-01-13 02:40
anyconnect.lua	4.31 KB	-rw-r--r--	2023-01-13 02:40
asn1.lua	14.57 KB	-rw-r--r--	2023-01-13 02:40
base32.lua	7.36 KB	-rw-r--r--	2023-01-13 02:40
base64.lua	5.83 KB	-rw-r--r--	2023-01-13 02:40
bin.lua	12.99 KB	-rw-r--r--	2023-01-13 02:40
bitcoin.lua	18.25 KB	-rw-r--r--	2023-01-13 02:40
bits.lua	2.54 KB	-rw-r--r--	2023-01-13 02:40
bittorrent.lua	35.76 KB	-rw-r--r--	2023-01-13 02:40
bjnp.lua	9.55 KB	-rw-r--r--	2023-01-13 02:40
brute.lua	50.64 KB	-rw-r--r--	2023-01-13 02:40
cassandra.lua	5.48 KB	-rw-r--r--	2023-01-13 02:40
citrixxml.lua	16 KB	-rw-r--r--	2023-01-13 02:40
coap.lua	75.1 KB	-rw-r--r--	2023-01-13 02:40
comm.lua	11.03 KB	-rw-r--r--	2023-01-13 02:40
creds.lua	18.26 KB	-rw-r--r--	2023-01-13 02:40
cvs.lua	3.05 KB	-rw-r--r--	2023-01-13 02:40
datafiles.lua	11.05 KB	-rw-r--r--	2023-01-13 02:40
datetime.lua	7.5 KB	-rw-r--r--	2023-01-13 02:40
dhcp.lua	28.57 KB	-rw-r--r--	2023-01-13 02:40
dhcp6.lua	19.86 KB	-rw-r--r--	2023-01-13 02:40
dns.lua	51.07 KB	-rw-r--r--	2023-01-13 02:40
dnsbl.lua	19.01 KB	-rw-r--r--	2023-01-13 02:40
dnssd.lua	12.61 KB	-rw-r--r--	2023-01-13 02:40
drda.lua	24.08 KB	-rw-r--r--	2023-01-13 02:40
eap.lua	7.54 KB	-rw-r--r--	2023-01-13 02:40
eigrp.lua	12.98 KB	-rw-r--r--	2023-01-13 02:40
formulas.lua	5.68 KB	-rw-r--r--	2023-01-13 02:40
ftp.lua	9.03 KB	-rw-r--r--	2023-01-13 02:40
geoip.lua	1.71 KB	-rw-r--r--	2023-01-13 02:40
giop.lua	18.42 KB	-rw-r--r--	2023-01-13 02:40
gps.lua	3.38 KB	-rw-r--r--	2023-01-13 02:40
http.lua	117.07 KB	-rw-r--r--	2023-01-13 02:40
httpspider.lua	36.65 KB	-rw-r--r--	2023-01-13 02:40
iax2.lua	9.58 KB	-rw-r--r--	2023-01-13 02:40
idna.lua	17.14 KB	-rw-r--r--	2023-01-13 02:40
ike.lua	14.63 KB	-rw-r--r--	2023-01-13 02:40
imap.lua	9.59 KB	-rw-r--r--	2023-01-13 02:40
informix.lua	39.93 KB	-rw-r--r--	2023-01-13 02:40
ipOps.lua	29.06 KB	-rw-r--r--	2023-01-13 02:40
ipmi.lua	8.08 KB	-rw-r--r--	2023-01-13 02:40
ipp.lua	12.57 KB	-rw-r--r--	2023-01-13 02:40
irc.lua	757 B	-rw-r--r--	2023-01-13 02:40
iscsi.lua	21.38 KB	-rw-r--r--	2023-01-13 02:40
isns.lua	14.98 KB	-rw-r--r--	2023-01-13 02:40
jdwp.lua	43.52 KB	-rw-r--r--	2023-01-13 02:40
json.lua	11.62 KB	-rw-r--r--	2023-01-13 02:40
knx.lua	2.42 KB	-rw-r--r--	2023-01-13 02:40
ldap.lua	31.94 KB	-rw-r--r--	2023-01-13 02:40
lfs.luadoc	1.68 KB	-rw-r--r--	2023-01-13 02:40
libssh2-utility.lua	4.69 KB	-rw-r--r--	2023-01-13 02:40
libssh2.luadoc	4.75 KB	-rw-r--r--	2023-01-13 02:40
listop.lua	4.66 KB	-rw-r--r--	2023-01-13 02:40
lpeg-utility.lua	5.64 KB	-rw-r--r--	2023-01-13 02:40
lpeg.luadoc	351 B	-rw-r--r--	2023-01-13 02:40
ls.lua	10.96 KB	-rw-r--r--	2023-01-13 02:40
match.lua	2.05 KB	-rw-r--r--	2023-01-13 02:40
membase.lua	9.93 KB	-rw-r--r--	2023-01-13 02:40
mobileme.lua	8.46 KB	-rw-r--r--	2023-01-13 02:40
mongodb.lua	21.3 KB	-rw-r--r--	2023-01-13 02:40
mqtt.lua	28.86 KB	-rw-r--r--	2023-01-13 02:40
msrpc.lua	190.07 KB	-rw-r--r--	2023-01-13 02:40
msrpcperformance.lua	29.65 KB	-rw-r--r--	2023-01-13 02:40
msrpctypes.lua	168.52 KB	-rw-r--r--	2023-01-13 02:40
mssql.lua	109.43 KB	-rw-r--r--	2023-01-13 02:40
multicast.lua	5.97 KB	-rw-r--r--	2023-01-13 02:40
mysql.lua	16.03 KB	-rw-r--r--	2023-01-13 02:40
natpmp.lua	5.11 KB	-rw-r--r--	2023-01-13 02:40
nbd.lua	16.04 KB	-rw-r--r--	2023-01-13 02:40
ncp.lua	35.64 KB	-rw-r--r--	2023-01-13 02:40
ndmp.lua	11.43 KB	-rw-r--r--	2023-01-13 02:40
netbios.lua	14.44 KB	-rw-r--r--	2023-01-13 02:40
nmap.luadoc	40.34 KB	-rw-r--r--	2023-01-13 02:40
nrpc.lua	4.46 KB	-rw-r--r--	2023-01-13 02:40
nsedebug.lua	3.49 KB	-rw-r--r--	2023-01-13 02:40
omp2.lua	4.78 KB	-rw-r--r--	2023-01-13 02:40
oops.lua	3.61 KB	-rw-r--r--	2023-01-13 02:40
openssl.luadoc	7.5 KB	-rw-r--r--	2023-01-13 02:40
ospf.lua	15.29 KB	-rw-r--r--	2023-01-13 02:40
packet.lua	36.18 KB	-rw-r--r--	2023-01-13 02:40
pcre.luadoc	6.79 KB	-rw-r--r--	2023-01-13 02:40
pgsql.lua	20.6 KB	-rw-r--r--	2023-01-13 02:40
pop3.lua	5.74 KB	-rw-r--r--	2023-01-13 02:40
pppoe.lua	29.42 KB	-rw-r--r--	2023-01-13 02:40
proxy.lua	11.37 KB	-rw-r--r--	2023-01-13 02:40
punycode.lua	11.5 KB	-rw-r--r--	2023-01-13 02:40
rand.lua	2.7 KB	-rw-r--r--	2023-01-13 02:40
rdp.lua	14.73 KB	-rw-r--r--	2023-01-13 02:40
re.lua	8.22 KB	-rw-r--r--	2023-01-13 02:40
redis.lua	3.61 KB	-rw-r--r--	2023-01-13 02:40
rmi.lua	47.77 KB	-rw-r--r--	2023-01-13 02:40
rpc.lua	107.64 KB	-rw-r--r--	2023-01-13 02:40
rpcap.lua	11.08 KB	-rw-r--r--	2023-01-13 02:40
rsync.lua	5.22 KB	-rw-r--r--	2023-01-13 02:40
rtsp.lua	8.62 KB	-rw-r--r--	2023-01-13 02:40
sasl.lua	16.51 KB	-rw-r--r--	2023-01-13 02:40
shortport.lua	11.99 KB	-rw-r--r--	2023-01-13 02:40
sip.lua	30.07 KB	-rw-r--r--	2023-01-13 02:40
slaxml.lua	17.9 KB	-rw-r--r--	2023-01-13 02:40
smb.lua	173.22 KB	-rw-r--r--	2023-01-13 02:40
smb2.lua	15.34 KB	-rw-r--r--	2023-01-13 02:40
smbauth.lua	37.33 KB	-rw-r--r--	2023-01-13 02:40
smtp.lua	19.85 KB	-rw-r--r--	2023-01-13 02:40
snmp.lua	16 KB	-rw-r--r--	2023-01-13 02:40
socks.lua	8.25 KB	-rw-r--r--	2023-01-13 02:40
srvloc.lua	10.99 KB	-rw-r--r--	2023-01-13 02:40
ssh1.lua	9.15 KB	-rw-r--r--	2023-01-13 02:40
ssh2.lua	11.73 KB	-rw-r--r--	2023-01-13 02:40
sslcert.lua	33.35 KB	-rw-r--r--	2023-01-13 02:40
sslv2.lua	9.68 KB	-rw-r--r--	2023-01-13 02:40
stdnse.lua	32.64 KB	-rw-r--r--	2023-01-13 02:40
strbuf.lua	4.52 KB	-rw-r--r--	2023-01-13 02:40
strict.lua	2.53 KB	-rw-r--r--	2023-01-13 02:40
stringaux.lua	4.32 KB	-rw-r--r--	2023-01-13 02:40
stun.lua	11.08 KB	-rw-r--r--	2023-01-13 02:40
tab.lua	3.35 KB	-rw-r--r--	2023-01-13 02:40
tableaux.lua	2.06 KB	-rw-r--r--	2023-01-13 02:40
target.lua	3.93 KB	-rw-r--r--	2023-01-13 02:40
tftp.lua	9.41 KB	-rw-r--r--	2023-01-13 02:40
tls.lua	58.05 KB	-rw-r--r--	2023-01-13 02:40
tn3270.lua	46.99 KB	-rw-r--r--	2023-01-13 02:40
tns.lua	64.16 KB	-rw-r--r--	2023-01-13 02:40
unicode.lua	14.23 KB	-rw-r--r--	2023-01-13 02:40
unittest.lua	12.41 KB	-rw-r--r--	2023-01-13 02:40
unpwdb.lua	10.42 KB	-rw-r--r--	2023-01-13 02:40
upnp.lua	11.18 KB	-rw-r--r--	2023-01-13 02:40
url.lua	16.7 KB	-rw-r--r--	2023-01-13 02:40
versant.lua	8.58 KB	-rw-r--r--	2023-01-13 02:40
vnc.lua	25.54 KB	-rw-r--r--	2023-01-13 02:40
vulns.lua	76.45 KB	-rw-r--r--	2023-01-13 02:40
vuzedht.lua	16.21 KB	-rw-r--r--	2023-01-13 02:40
wsdd.lua	11.98 KB	-rw-r--r--	2023-01-13 02:40
xdmcp.lua	12.09 KB	-rw-r--r--	2023-01-13 02:40
xmpp.lua	15.91 KB	-rw-r--r--	2023-01-13 02:40
zlib.luadoc	4.88 KB	-rw-r--r--	2023-01-13 02:40

Rename

---
-- Utility functions for libssh2.
--
-- Provides helper class for the libssh2 binding that abstracts away
-- details of running remote commands.
--
-- @copyright Same as Nmap--See https://nmap.org/book/man-legal.html
-- @class module
-- @name libssh2-utility

local stdnse = require "stdnse"
local table = require "table"

local libssh2 = stdnse.silent_require "libssh2"

SSHConnection = {}

---
-- Returns a new connection object.
--
-- @return A connection object.
function SSHConnection:new ()
  local o = {}
  setmetatable(o, self)
  self.__index = self
  return o
end

---
-- Sets up a connection with a server.
--
-- @param host A host to connect to.
-- @param port A port to connect to.
-- @return true on success or nil on failure
function SSHConnection:connect (host, port)
  self.session = libssh2.session_open(host, port.number)
  if self.session then
    return true
  end
end

---
-- Sets up a connection with a server. Call performed with pcall.
--
-- @param host A host to connect to.
-- @param port A port to connect to.
-- @return true on success or error message on failure
-- @return error code if error was triggered
function SSHConnection:connect_pcall (host, port)
  local status, err
  status, self.session, err = pcall(libssh2.session_open, host, port.number)
  return status, err
end

---
-- Runs a shell command on the remote host.
--
-- @param cmd A command to run.
-- @return The command output.
function SSHConnection:run_remote (cmd)
  if not (self.session and self.authenticated) then
    return false
  end
  local channel = libssh2.open_channel(self.session)
  libssh2.channel_exec(self.session, channel, cmd)
  libssh2.channel_send_eof(self.session, channel)
  local buff = {}
  local data = ""
  while not libssh2.channel_eof(channel) do
    data = libssh2.channel_read(self.session, channel)
    if data then
      table.insert(buff, data)
    end
  end
  return table.concat(buff)
end

---
-- Attempts to authenticate using provided credentials.
--
-- @param username A username to authenticate as.
-- @param password A password to authenticate as.
-- @return true on success or false on failure.
function SSHConnection:password_auth (username, password)
  if not self.session then
    return false
  end
  if libssh2.userauth_password(self.session, username, password) then
    self.authenticated = true
    return true
  else
    return false
  end
end

---
-- Attempts to authenticate using provided private key.
--
-- @param username A username to authenticate as.
-- @param privatekey_file A path to a privatekey.
-- @param passphrase A passphrase for the privatekey.
-- @return true on success or false on failure.
function SSHConnection:publickey_auth (username, privatekey_file, passphrase)
  if not self.session then
    return false
  end
  if libssh2.userauth_publickey(self.session, username, privatekey_file, passphrase or "") then
    self.authenticated = true
    return true
  else
    return false
  end
end

---
-- Closes connection.
function SSHConnection:disconnect ()
  if self.session then
    libssh2.session_close(self.session)
  end
end

---
-- Sends ssh timeout
--
-- @param ssh_timeout Time in miliseconds before considering the situation an error.
function SSHConnection:set_timeout (ssh_timeout)
  if self.session then
    libssh2.set_timeout(self.session, ssh_timeout)
  end
end

---
-- Attempt to retrieve a list of supported authentication methods
--
-- @param username A username to authenticate as.
-- @return A list with the authentication methods on success or false on failure.
function SSHConnection:list (username)
  if not self.session then
    return false
  end
  local status, methods = pcall(libssh2.userauth_list, self.session, username)
  if status then
    return methods
  end
  return false
end

---
-- Attempts to read public key file
--
-- @param publickey An SSH public key file.
-- @return true on success or false on error.
-- @return public key data on success or error code on error.
function SSHConnection:read_publickey (publickey)
  local status, result = pcall(libssh2.read_publickey, publickey)
  return status, result
end

---
-- Attempts authentication with public key
--
-- @param username A username to authenticate as.
-- @param key Base64 decrypted public key.
-- @return true if the public key can be used to authenticate as the user, false otherwise
-- @return Error message if an error occurs.
function SSHConnection:publickey_canauth (username, key)
  local status, err
  if self.session then
    status, err = pcall(libssh2.publickey_canauth, self.session, username, key)
    if status then
      -- no error thrown; return the actual result
      status = err
      err = nil
    end
  else
    status = false
    err = "No session established"
  end
  return status, err
end

return _ENV