1/*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#if 0 35#ifndef lint 36static const char sccsid[] = "@(#)authenc.c 8.1 (Berkeley) 6/6/93"; 37#endif 38#endif 39#include <sys/cdefs.h> 40__FBSDID("$FreeBSD: src/contrib/telnet/telnet/authenc.c,v 1.6 2003/05/04 02:54:48 obrien Exp $"); 41 42#ifdef AUTHENTICATION 43#include <sys/types.h> 44#include <arpa/telnet.h> 45#include <pwd.h> 46#include <unistd.h> 47#include <libtelnet/encrypt.h> 48#include <libtelnet/misc.h> 49 50#include "general.h" 51#include "ring.h" 52#include "externs.h" 53#include "defines.h" 54#include "types.h" 55 56int 57net_write(unsigned char *str, int len) 58{ 59 if (NETROOM() > len) { 60 ring_supply_data(&netoring, str, len); 61 if (str[0] == IAC && str[1] == SE) 62 printsub('>', &str[2], len-2); 63 return(len); 64 } 65 return(0); 66} 67 68void 69net_encrypt(void) 70{ 71#ifdef ENCRYPTION 72 if (encrypt_output) 73 ring_encrypt(&netoring, encrypt_output); 74 else 75 ring_clearto(&netoring); 76#endif /* ENCRYPTION */ 77} 78 79int 80telnet_spin(void) 81{ 82 return(-1); 83} 84 85char * 86telnet_getenv(char *val) 87{ 88 return((char *)env_getvalue((unsigned char *)val)); 89} 90 91char * 92telnet_gets(const char *prom, char *result, int length, int echo) 93{ 94 extern int globalmode; 95 int om = globalmode; 96 char *res; 97 98 TerminalNewMode(-1); 99 if (echo) { 100 printf("%s", prom); 101 res = fgets(result, length, stdin); 102 } else if ((res = getpass(prom))) { 103 strncpy(result, res, length); 104 res = result; 105 } 106 TerminalNewMode(om); 107 return(res); 108} 109#endif /* AUTHENTICATION */ 110