module Msf
class Post
module Unix

	# Returns an array of hashes each representing a user
	# Keys are name, uid, gid, info, dir and shell
	def get_users
		users = []
		etc_passwd = nil
		[
			"/etc/passwd",
			"/etc/security/passwd",
			"/etc/master.passwd",
		].each { |f|
			if file_exist?(f)
				etc_passwd = f
				break
			end
		}
		cmd_out = read_file(etc_passwd).split("\n")
		cmd_out.each do |l|
			entry = {}
			user_field = l.split(":")
			entry[:name] = user_field[0]
			entry[:uid] = user_field[2]
			entry[:gid] = user_field[3]
			entry[:info] = user_field[4]
			entry[:dir] = user_field[5]
			entry[:shell] = user_field[6]
			users << entry
		end
		return users
	end

	# Returns an array of hashes each hash representing a user group
	# Keys are name, gid and users
	def get_groups
		groups = []
		cmd_out = read_file("/etc/group").split("\n")
		cmd_out.each do |l|
			entry = {}
			user_field = l.split(":")
			entry[:name] = user_field[0]
			entry[:gid] = user_field[2]
			entry[:users] = user_field[3]
			groups << entry
		end
		return groups
	end

	# returns all user directories found
	def enum_user_directories
		user_dirs = []

		# get all user directories from /etc/passwd
		read_file("/etc/passwd").each_line do |passwd_line|
			user_dirs << passwd_line.split(/:/)[5]
		end

		# also list other common places for home directories in the event that
		# the users aren't in /etc/passwd (LDAP, for example)
		case session.platform
		when 'osx'
			user_dirs << cmd_exec('ls /Users').each_line.map { |l| "/Users/#{l}" }
		else
			user_dirs << cmd_exec('ls /home').each_line.map { |l| "/home/#{l}" }
		end

		user_dirs.flatten!
		user_dirs.compact!
		user_dirs.sort!
		user_dirs.uniq!

		user_dirs
	end

end
end
end