From fffd213c8cba2135afda493d797c41c10354770e Mon Sep 17 00:00:00 2001 From: Othmar Gsenger Date: Sat, 12 Apr 2008 11:38:42 +0000 Subject: big svn cleanup --- anytun-controld.cpp | 181 ---------------------------------------------------- 1 file changed, 181 deletions(-) delete mode 100644 anytun-controld.cpp (limited to 'anytun-controld.cpp') diff --git a/anytun-controld.cpp b/anytun-controld.cpp deleted file mode 100644 index 204694e..0000000 --- a/anytun-controld.cpp +++ /dev/null @@ -1,181 +0,0 @@ -/* - * anytun - * - * The secure anycast tunneling protocol (satp) defines a protocol used - * for communication between any combination of unicast and anycast - * tunnel endpoints. It has less protocol overhead than IPSec in Tunnel - * mode and allows tunneling of every ETHER TYPE protocol (e.g. - * ethernet, ip, arp ...). satp directly includes cryptography and - * message authentication based on the methodes used by SRTP. It is - * intended to deliver a generic, scaleable and secure solution for - * tunneling and relaying of packets of any protocol. - * - * - * Copyright (C) 2007 anytun.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program 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 this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include -#include -#include -#include -#include -#include - -#include "datatypes.h" - -#include "log.h" -#include "signalController.h" -#include "anymuxOptions.h" - -#include "muxSocket.h" -#include "Sockets/ListenSocket.h" -#include "Sockets/SocketHandler.h" - - -class ThreadParam -{ -public: - ThreadParam() : addr(""), port(0) {}; - std::string addr; - u_int16_t port; -}; - - -void* syncListener(void* p ) -{ - ThreadParam* param = reinterpret_cast(p); - SOCKETS_NAMESPACE::SocketHandler h; - SOCKETS_NAMESPACE::ListenSocket l(h,true); - - if( l.Bind(param->addr, param->port) ) - pthread_exit(NULL); - - Utility::ResolveLocal(); // resolve local hostname - h.Add(&l); - h.Select(1,0); - while (1) { - h.Select(1,0); - } -} - -void chrootAndDrop(std::string const& chrootdir, std::string const& username) -{ - if (getuid() != 0) - { - std::cerr << "this programm has to be run as root in order to run in a chroot" << std::endl; - exit(-1); - } - - struct passwd *pw = getpwnam(username.c_str()); - if(pw) { - if(chroot(chrootdir.c_str())) - { - std::cerr << "can't chroot to " << chrootdir << std::endl; - exit(-1); - } - cLog.msg(Log::PRIO_NOTICE) << "we are in chroot jail (" << chrootdir << ") now" << std::endl; - chdir("/"); - if (initgroups(pw->pw_name, pw->pw_gid) || setgid(pw->pw_gid) || setuid(pw->pw_uid)) - { - std::cerr << "can't drop to user " << username << " " << pw->pw_uid << ":" << pw->pw_gid << std::endl; - exit(-1); - } - cLog.msg(Log::PRIO_NOTICE) << "dropped user to " << username << " " << pw->pw_uid << ":" << pw->pw_gid << std::endl; - } - else - { - std::cerr << "unknown user " << username << std::endl; - exit(-1); - } -} - -void daemonize() -{ - pid_t pid; - - pid = fork(); - if(pid) exit(0); - setsid(); - pid = fork(); - if(pid) exit(0); - -// std::cout << "running in background now..." << std::endl; - - int fd; -// for (fd=getdtablesize();fd>=0;--fd) // close all file descriptors - for (fd=0;fd<=2;fd++) // close all file descriptors - close(fd); - fd=open("/dev/null",O_RDWR); // stdin - dup(fd); // stdout - dup(fd); // stderr - umask(027); -} - -int main(int argc, char* argv[]) -{ - if(!gOpt.parse(argc, argv)) - { - gOpt.printUsage(); - exit(-1); - } - - std::ifstream file( gOpt.getFileName().c_str() ); - if( file.is_open() ) - file.close(); - else - { - std::cout << "ERROR: unable to open file!" << std::endl; - exit(-1); - } - - std::ofstream pidFile; - if(gOpt.getPidFile() != "") { - pidFile.open(gOpt.getPidFile().c_str()); - if(!pidFile.is_open()) { - std::cout << "can't open pid file" << std::endl; - } - } - - if(gOpt.getChroot()) - chrootAndDrop(gOpt.getChrootDir(), gOpt.getUsername()); - if(gOpt.getDaemonize()) - daemonize(); - - if(pidFile.is_open()) { - pid_t pid = getpid(); - pidFile << pid; - pidFile.close(); - } - - SignalController sig; - sig.init(); - - ThreadParam p; - p.addr = gOpt.getBindToAddr(); - p.port = gOpt.getBindToPort(); - pthread_t syncListenerThread; - pthread_create(&syncListenerThread, NULL, syncListener, &p); - - int ret = sig.run(); - - pthread_cancel(syncListenerThread); - - pthread_join(syncListenerThread, NULL); - - return ret; -} - -- cgit v1.2.3