1 /* 2 telnetd.c -- Small telnet daemon that gives a shell on a port. 3 Copyright (C) 2003 Roy Keene 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 2 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program; if not, write to the Free Software 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 19 email: tcpcgi@rkeene.org 20 21 */ 22 #include <sys/socket.h> 23 #include <sys/types.h> 24 #include <unistd.h> 25 #include <stdlib.h> 26 27 #include "tcpnet.h" 28 29 int main(void) { 30 int masterfd, clientfd; 31 32 while ((masterfd=createlisten(5011, 1, SOCK_STREAM))<0) { sleep(1); } 33 while (1) { 34 clientfd=accept(masterfd, NULL, NULL); 35 dup2(clientfd, STDOUT_FILENO); 36 dup2(clientfd, STDERR_FILENO); 37 dup2(clientfd, STDIN_FILENO); 38 system("/usr/sbin/in.telnetd -h -L /bin/bash -n"); 39 } 40 return(0); 41 } |