Revert "add -R capability like hosts -R"

Pulling out the set_rhosts_from_addrs -- that's not required for
grep-like functionality, and adding this method to the global namespace
is undesirable.

This reverts commit 52596ae.

Author: todb

lib/msf/core/set_rhosts.rb

@@ -20,7 +20,6 @@ module CommandDispatcher
 class Core
 
 	include Msf::Ui::Console::CommandDispatcher
-	require 'msf/core/set_rhosts'
 
 	# Session command options
 	@@sessions_opts = Rex::Parser::Arguments.new(
@@ -75,8 +74,7 @@ class Core
 		"-B" => [ true, "Show arg lines of output Before a match."        ],
 		"-s" => [ true, "Skip arg lines of output before attempting match."],
 		"-k" => [ true, "Keep (include) arg lines at start of output."    ],
-		"-c" => [ false, "Only print a count of matching lines."          ],
-		"-R" => [ false, "Set RHOSTS with the results, can only be used when command output has 'addresses' as the first column" ])
+		"-c" => [ false, "Only print a count of matching lines."          ])
 
 	@@search_opts = Rex::Parser::Arguments.new(
 		"-h" => [ false, "Help banner."                                   ])
@@ -2518,11 +2516,6 @@ def cmd_grep(*args)
 					# skip arg number of lines at the top of the output, useful for avoiding undesirable matches
 					output_mods[:skip] = val.to_i
 					args.shift(2)
-				when "-R"
-					output_mods[:set_rhosts] = true
-					args.shift
-					output_mods[:keep] = 6 unless output_mods[:keep].to_i > 6 # we need the column headers
-					rhosts = []
 			end
 		end
 		# after deleting parsed options, the only args left should be the pattern, the cmd to run, and cmd args
@@ -2592,25 +2585,7 @@ def temp_output.write(msg = '')
 
 		# now control output based on remaining output_mods such as :count
 		return print_status(count.to_s) if output_mods[:count]
-
-		if output_mods[:set_rhosts]
-			# we don't use the db to confirm these hosts because we want to keep grep independent of db status so we
-			# require the first column to be the addresses otherwise there's no good way to parse the table.to_s output
-			col_names_row_index = nil
-			our_lines.each_with_index do |line,idx|
-				if line =~ /^address/ # this is assumed to be the line w/the column names
-					col_names_row_index = idx
-					break
-				end
-			end
-			rhosts_row_start = col_names_row_index + 1
-			rhosts_row_start += 1 if our_lines[rhosts_row_start] =~ /^-+/ # skip the "-----" separator if present
-			row_of_interest = our_lines.slice(rhosts_row_start..-1)
-			rhosts = row_of_interest.map {|row| row.split(/\s/).first}
-			set_rhosts_from_addrs(rhosts)
-		else
-			our_lines.each {|line| print line}
-		end
+		our_lines.each {|line| print line}
 	end
 
 	#

lib/msf/ui/console/command_dispatcher/core.rb

@@ -11,7 +11,6 @@ module CommandDispatcher
 class Db
 
 		require 'tempfile'
-		require 'msf/core/set_rhosts'
 
 		include Msf::Ui::Console::CommandDispatcher
 
@@ -1528,7 +1527,7 @@ def cmd_db_rebuild_cache
 				print_error("The database is not connected")
 				return
 			end
-
+					
 			print_status("Purging and rebuilding the module cache in the background...")
 			framework.threads.spawn("ModuleCacheRebuild", true) do
 				framework.db.purge_all_module_details
@@ -1543,6 +1542,44 @@ def cmd_db_rebuild_cache_help
 			print_line
 		end
 
+		#
+		# Set RHOSTS in the +active_module+'s (or global if none) datastore from an array of addresses
+		#
+		# This stores all the addresses to a temporary file and utilizes the
+		# <pre>file:/tmp/filename</pre> syntax to confer the addrs.  +rhosts+
+		# should be an Array.  NOTE: the temporary file is *not* deleted
+		# automatically.
+		#
+		def set_rhosts_from_addrs(rhosts)
+			if rhosts.empty?
+				print_status "The list is empty, cowardly refusing to set RHOSTS"
+				return
+			end
+			if active_module
+				mydatastore = active_module.datastore
+			else
+				# if there is no module in use set the list to the global variable
+				mydatastore = self.framework.datastore
+			end
+
+			if rhosts.length > 5
+				# Lots of hosts makes 'show options' wrap which is difficult to
+				# read, store to a temp file
+				rhosts_file = Rex::Quickfile.new("msf-db-rhosts-")
+				mydatastore['RHOSTS'] = 'file:'+rhosts_file.path
+				# create the output file and assign it to the RHOSTS variable
+				rhosts_file.write(rhosts.join("\n")+"\n")
+				rhosts_file.close
+			else
+				# For short lists, just set it directly
+				mydatastore['RHOSTS'] = rhosts.join(" ")
+			end
+
+			print_line "RHOSTS => #{mydatastore['RHOSTS']}"
+			print_line
+		end
+
+
 		def db_find_tools(tools)
 			found   = true
 			missed  = []