379 lines
13 KiB
Ruby
379 lines
13 KiB
Ruby
require 'uri'
|
|
|
|
module Msf
|
|
|
|
class Plugin::Requests < Msf::Plugin
|
|
|
|
class ConsoleCommandDispatcher
|
|
include Msf::Ui::Console::CommandDispatcher
|
|
|
|
HELP_REGEX = /^-?-h(?:elp)?$/
|
|
|
|
def name
|
|
'Request'
|
|
end
|
|
|
|
def commands
|
|
{
|
|
'request' => "Make a request of the specified type (#{types.join(', ')})",
|
|
}
|
|
end
|
|
|
|
# Dynamically determine the types of requests that are supported based on
|
|
# methods prefixed with "parse_args".
|
|
#
|
|
# @return [Array<String>] The supported request types.
|
|
def types
|
|
parse_methods = self.public_methods.select {|m| m.to_s =~ /^parse_args_/}
|
|
parse_methods.collect {|m| m.to_s.split('_').slice(2..-1).join('_')}
|
|
end
|
|
|
|
# The main handler for the request command.
|
|
#
|
|
# @param args [Array<String>] The array of arguments provided by the user.
|
|
# @return [nil]
|
|
def cmd_request(*args)
|
|
# short circuit the whole deal if they need help
|
|
return help if args.length == 0
|
|
return help if args.length == 1 && args.first =~ HELP_REGEX
|
|
|
|
# detect the request type from the uri which must be the last arg given
|
|
uri = args.last
|
|
if uri && uri =~ /^[A-Za-z]{3,5}:\/\//
|
|
type = uri.split('://', 2).first
|
|
else
|
|
print_error("The last argument must be a valid and supported URI")
|
|
return help
|
|
end
|
|
|
|
# parse options
|
|
opts, opt_parser = parse_args(args, type)
|
|
if opts && opt_parser
|
|
# handle any "global" options
|
|
if opts[:output_file]
|
|
begin
|
|
opts[:output_file] = File.new(opts[:output_file], 'w')
|
|
rescue ::Errno::EACCES, Errno::EISDIR, Errno::ENOTDIR
|
|
return help(opt_parser, 'Failed to open the specified file for output')
|
|
end
|
|
end
|
|
# hand off the actual request to the appropriate request handler
|
|
handler_method = "handle_request_#{type}".to_sym
|
|
if self.respond_to?(handler_method)
|
|
# call the appropriate request handler
|
|
self.send(handler_method, opts, opt_parser)
|
|
else
|
|
# this should be dead code if parse_args is doing it's job correctly
|
|
help(opt_parser, "No request handler found for type (#{type.to_s}).")
|
|
end
|
|
else
|
|
if types.include? type
|
|
help(opt_parser)
|
|
else
|
|
help
|
|
end
|
|
end
|
|
end
|
|
|
|
# Parse the provided arguments by dispatching to the correct method based
|
|
# on the specified type.
|
|
#
|
|
# @param args [Array<String>] The command line arguments to parse.
|
|
# @param type [String] The protocol type that the request is for such as
|
|
# HTTP.
|
|
# @return [Array<Hash, Rex::Parser::Arguments>] An array with the options
|
|
# hash and the argument parser.
|
|
def parse_args(args, type = 'http')
|
|
type.downcase!
|
|
parse_method = "parse_args_#{type}".to_sym
|
|
if self.respond_to?(parse_method)
|
|
self.send(parse_method, args, type)
|
|
else
|
|
print_error("Unsupported URI type: #{type}")
|
|
end
|
|
end
|
|
|
|
# Parse the provided arguments for making HTTPS requests. The argument flags
|
|
# are intended to be similar to the curl utility.
|
|
#
|
|
# @param args [Array<String>] The command line arguments to parse.
|
|
# @param type [String] The protocol type that the request is for.
|
|
# @return [Array<Hash, Rex::Parser::Arguments>] An array with the options
|
|
# hash and the argument parser.
|
|
def parse_args_https(args = [], type = 'https')
|
|
# just let http do it
|
|
parse_args_http(args, type)
|
|
end
|
|
|
|
# Parse the provided arguments for making HTTP requests. The argument flags
|
|
# are intended to be similar to the curl utility.
|
|
#
|
|
# @param args [Array<String>] The command line arguments to parse.
|
|
# @param type [String] The protocol type that the request is for.
|
|
# @return [Array<Hash>, Rex::Parser::Arguments>] An array with the options
|
|
# hash and the argument parser.
|
|
def parse_args_http(args = [], type = 'http')
|
|
opt_parser = Rex::Parser::Arguments.new(
|
|
'-0' => [ false, 'Use HTTP 1.0' ],
|
|
'-1' => [ false, 'Use TLSv1 (SSL)' ],
|
|
'-2' => [ false, 'Use SSLv2 (SSL)' ],
|
|
'-3' => [ false, 'Use SSLv3 (SSL)' ],
|
|
'-A' => [ true, 'User-Agent to send to server' ],
|
|
'-d' => [ true, 'HTTP POST data' ],
|
|
'-G' => [ false, 'Send the -d data with an HTTP GET' ],
|
|
'-h' => [ false, 'This help text' ],
|
|
'-H' => [ true, 'Custom header to pass to server' ],
|
|
'-i' => [ false, 'Include headers in the output' ],
|
|
'-I' => [ false, 'Show document info only' ],
|
|
'-o' => [ true, 'Write output to <file> instead of stdout' ],
|
|
'-u' => [ true, 'Server user and password' ],
|
|
'-X' => [ true, 'Request method to use' ]
|
|
#'-x' => [ true, 'Proxy to use, format: [proto://][user:pass@]host[:port]' +
|
|
# ' Proto defaults to http:// and port to 1080'],
|
|
)
|
|
|
|
options = {
|
|
:headers => {},
|
|
:print_body => true,
|
|
:print_headers => false,
|
|
:ssl_version => 'Auto',
|
|
:user_agent => Rex::Proto::Http::Client::DefaultUserAgent,
|
|
:version => '1.1'
|
|
}
|
|
|
|
opt_parser.parse(args) do |opt, idx, val|
|
|
case opt
|
|
when '-0'
|
|
options[:version] = '1.0'
|
|
when '-1'
|
|
options[:ssl_version] = 'TLS1'
|
|
when '-2'
|
|
options[:ssl_version] = 'SSL2'
|
|
when '-3'
|
|
options[:ssl_version] = 'SSL3'
|
|
when '-A'
|
|
options[:user_agent] = val
|
|
when '-d'
|
|
options[:data] = val
|
|
options[:method] ||= 'POST'
|
|
when '-G'
|
|
options[:method] = 'GET'
|
|
when HELP_REGEX
|
|
#help(opt_parser)
|
|
# guard to prevent further option processing & stymie request handling
|
|
return [nil, opt_parser]
|
|
when '-H'
|
|
name, value = val.split(':', 2)
|
|
options[:headers][name] = value.to_s.strip
|
|
when '-i'
|
|
options[:print_headers] = true
|
|
when '-I'
|
|
options[:print_headers] = true
|
|
options[:print_body] = false
|
|
options[:method] ||= 'HEAD'
|
|
when '-o'
|
|
options[:output_file] = File.expand_path(val)
|
|
when '-u'
|
|
val = val.split(':', 2) # only split on first ':' as per curl:
|
|
# from curl man page: "The user name and passwords are split up on the
|
|
# first colon, which makes it impossible to use a colon in the user
|
|
# name with this option. The password can, still.
|
|
options[:auth_username] = val.first
|
|
options[:auth_password] = val.last
|
|
when '-p'
|
|
options[:auth_password] = val
|
|
when '-X'
|
|
options[:method] = val
|
|
#when '-x'
|
|
# @TODO proxy
|
|
else
|
|
options[:uri] = val
|
|
end
|
|
end
|
|
unless options[:uri]
|
|
help(opt_parser)
|
|
end
|
|
options[:method] ||= 'GET'
|
|
options[:uri] = URI(options[:uri])
|
|
[options, opt_parser]
|
|
end
|
|
|
|
# Perform an HTTPS request based on the user specifed options.
|
|
#
|
|
# @param opts [Hash] The options to use for making the HTTPS request.
|
|
# @option opts [String] :auth_username An optional username to use with
|
|
# basic authentication.
|
|
# @option opts [String] :auth_password An optional password to use with
|
|
# basic authentication. This is only used when :auth_username is
|
|
# specified.
|
|
# @option opts [String] :data Any data to include within the body of the
|
|
# request. Often used with the POST HTTP method.
|
|
# @option opts [Hash] :headers A hash of additional headers to include in
|
|
# the request.
|
|
# @option opts [String] :method The HTTP method to use in the request.
|
|
# @option opts [#write] :output_file A file to write the response data to.
|
|
# @option opts [Boolean] :print_body Whether or not to print the body of the
|
|
# response.
|
|
# @option opts [Boolean] :print_headers Whether or not to print the headers
|
|
# of the response.
|
|
# @option opts [String] :ssl_version The version of SSL to use if the
|
|
# request scheme is HTTPS.
|
|
# @option opts [String] :uri The target uri to request.
|
|
# @option opts [String] :user_agent The value to use in the User-Agent
|
|
# header of the request.
|
|
# @param opt_parser [Rex::Parser::Arguments] the argument parser for the
|
|
# request type.
|
|
# @return [nil]
|
|
def handle_request_https(opts, opt_parser)
|
|
# let http do it
|
|
handle_request_http(opts, opt_parser)
|
|
end
|
|
|
|
# Perform an HTTP request based on the user specifed options.
|
|
#
|
|
# @param opts [Hash] The options to use for making the HTTP request.
|
|
# @option opts [String] :auth_username An optional username to use with
|
|
# basic authentication.
|
|
# @option opts [String] :auth_password An optional password to use with
|
|
# basic authentication. This is only used when :auth_username is
|
|
# specified.
|
|
# @option opts [String] :data Any data to include within the body of the
|
|
# request. Often used with the POST HTTP method.
|
|
# @option opts [Hash] :headers A hash of additional headers to include in
|
|
# the request.
|
|
# @option opts [String] :method The HTTP method to use in the request.
|
|
# @option opts [#write] :output_file A file to write the response data to.
|
|
# @option opts [Boolean] :print_body Whether or not to print the body of the
|
|
# response.
|
|
# @option opts [Boolean] :print_headers Whether or not to print the headers
|
|
# of the response.
|
|
# @option opts [String] :ssl_version The version of SSL to use if the
|
|
# request scheme is HTTPS.
|
|
# @option opts [String] :uri The target uri to request.
|
|
# @option opts [String] :user_agent The value to use in the User-Agent
|
|
# header of the request.
|
|
# @param opt_parser [Rex::Parser::Arguments] the argument parser for the
|
|
# request type.
|
|
# @return [nil]
|
|
def handle_request_http(opts, opt_parser)
|
|
uri = opts[:uri]
|
|
http_client = Rex::Proto::Http::Client.new(
|
|
uri.host,
|
|
uri.port,
|
|
{'Msf' => framework},
|
|
uri.scheme == 'https',
|
|
opts[:ssl_version]
|
|
)
|
|
|
|
if opts[:auth_username]
|
|
auth_str = opts[:auth_username] + ':' + opts[:auth_password]
|
|
auth_str = 'Basic ' + Rex::Text.encode_base64(auth_str)
|
|
opts[:headers]['Authorization'] = auth_str
|
|
end
|
|
|
|
uri.path = '/' if uri.path.length == 0
|
|
|
|
begin
|
|
http_client.connect
|
|
req = http_client.request_cgi(
|
|
'agent' => opts[:user_agent],
|
|
'data' => opts[:data],
|
|
'headers' => opts[:headers],
|
|
'method' => opts[:method],
|
|
'password' => opts[:auth_password],
|
|
'query' => uri.query,
|
|
'uri' => uri.path,
|
|
'username' => opts[:auth_username],
|
|
'version' => opts[:version]
|
|
)
|
|
|
|
response = http_client.send_recv(req)
|
|
rescue ::OpenSSL::SSL::SSLError
|
|
print_error('Encountered an SSL error')
|
|
rescue ::Errno::ECONNRESET => ex
|
|
print_error('The connection was reset by the peer')
|
|
rescue ::EOFError, Errno::ETIMEDOUT, Rex::ConnectionError, ::Timeout::Error
|
|
print_error('Encountered an error')
|
|
ensure
|
|
http_client.close
|
|
end
|
|
|
|
unless response
|
|
opts[:output_file].close if opts[:output_file]
|
|
return nil
|
|
end
|
|
|
|
if opts[:print_headers]
|
|
output_line(opts, response.cmd_string)
|
|
output_line(opts, response.headers.to_s)
|
|
end
|
|
|
|
output_line(opts, response.body) if opts[:print_body]
|
|
if opts[:output_file]
|
|
print_status("Wrote #{opts[:output_file].tell} bytes to #{opts[:output_file].path}")
|
|
opts[:output_file].close
|
|
end
|
|
end
|
|
|
|
# Output lines based on the provided options. Data is either printed to the
|
|
# console or written to a file. Trailing new lines are removed.
|
|
#
|
|
# @param opts [Hash] The options as parsed from parse_args.
|
|
# @option opts [#write, nil] :output_file An optional file to write the
|
|
# output to.
|
|
# @param line [String] The string to output.
|
|
# @return [nil]
|
|
def output_line(opts, line)
|
|
if opts[:output_file].nil?
|
|
if line[-2..-1] == "\r\n"
|
|
print_line(line[0..-3])
|
|
elsif line[-1] == "\n"
|
|
print_line(line[0..-2])
|
|
else
|
|
print_line(line)
|
|
end
|
|
else
|
|
opts[:output_file].write(line)
|
|
end
|
|
end
|
|
|
|
# Print the appropriate help text depending on an optional option parser.
|
|
#
|
|
# @param opt_parser [Rex::Parser::Arguments] the argument parser for the
|
|
# request type.
|
|
# @param msg [String] the first line of the help text to display to the
|
|
# user.
|
|
# @return [nil]
|
|
def help(opt_parser = nil, msg = 'Usage: request [options] uri')
|
|
print_line(msg)
|
|
if opt_parser
|
|
print_line(opt_parser.usage)
|
|
else
|
|
print_line("Supported uri types are: #{types.collect{|t| t + '://'}.join(', ')}")
|
|
print_line("To see usage for a specific uri type, use request -h uri")
|
|
end
|
|
end
|
|
|
|
end
|
|
|
|
def initialize(framework, opts)
|
|
super
|
|
add_console_dispatcher(ConsoleCommandDispatcher)
|
|
end
|
|
|
|
def cleanup
|
|
remove_console_dispatcher('Request')
|
|
end
|
|
|
|
def name
|
|
'Request'
|
|
end
|
|
|
|
def desc
|
|
'Make requests from within Metasploit using various protocols.'
|
|
end
|
|
|
|
end # end class
|
|
|
|
end # end module
|