diff options
Diffstat (limited to 'src/echo_server.lua')
-rw-r--r-- | src/echo_server.lua | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/src/echo_server.lua b/src/echo_server.lua deleted file mode 100644 index 6770421..0000000 --- a/src/echo_server.lua +++ /dev/null @@ -1,78 +0,0 @@ --- --- anylike --- --- anylike is an IKEv2 Implementation written in Lua and C. It's main --- design goal is to provide anytun and uanytun or any other SATP --- implementation with a key exchange mechanism but it should also be --- possible to use anylike as key exchange daemon for IPSec security --- associations. The use of Lua guarantees that anylike is easily --- portable to many platforms including very small ones like wireless --- routers. --- --- --- Copyright (C) 2007-2008 Markus Grueneis <gimpf@anylike.org> --- Christian Pointner <equinox@anylike.org> --- --- This file is part of anylike. --- --- anylike is free software: you can redistribute it and/or modify --- it under the terms of the GNU General Public License as published by --- the Free Software Foundation, either version 3 of the License, or --- any later version. --- --- anylike is distributed in the hope that it will be useful, --- but WITHOUT ANY WARRANTY; without even the implied warranty of --- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the --- GNU General Public License for more details. --- --- You should have received a copy of the GNU General Public License --- along with anylike. If not, see <http://www.gnu.org/licenses/>. --- - -socket = require("socket") - -echo_server = {} - -echo_server.init = function(host, port) - local ip, err = socket.dns.toip(host) - if(ip == nil) then - log.printf(log.ERROR, "can't resolve %s: %s", host, err) - return nil - end - - local udp, err = socket.udp() - if(udp == nil) then - log.printf(log.ERROR, "can't create udp socket") - return nil - end - - local ret, err = udp:setsockname(ip, port) - if(ret == nil) then - log.printf(log.ERROR, "setsockname(%s,%s) failed: %s", ip, port, err) - return nil - end - - log.printf(log.NOTICE, "echo server listening on %s:%s", ip, port); - - return udp -end - -echo_server.handle = function(udp) - local dgrm, from_ip, from_port = udp:receivefrom() - if(dgrm == nil) then - log.printf(log.ERROR, "receivefrom(%s,%s) failed: %s", ip, port, from_ip) - return -1 - end - - local ret, err = udp:sendto(dgrm, from_ip, from_port) - if(ret == nil) then - log.printf(log.ERROR, "sendto(%s,%s) failed: %s", ip, port, err) - return -1 - end - - if(string.gsub(dgrm, "^(%w+)%s*%c$", "%1") == "quit") then - return 2 - end - - return 0 -end |