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#include "telnet_locl.h" 35 36RCSID("$Id$"); 37 38#if defined(AUTHENTICATION) || defined(ENCRYPTION) 39int 40telnet_net_write(unsigned char *str, int len) 41{ 42 if (NETROOM() > len) { 43 ring_supply_data(&netoring, str, len); 44 if (str[0] == IAC && str[1] == SE) 45 printsub('>', &str[2], len-2); 46 return(len); 47 } 48 return(0); 49} 50 51void 52net_encrypt(void) 53{ 54#if defined(ENCRYPTION) 55 if (encrypt_output) 56 ring_encrypt(&netoring, encrypt_output); 57 else 58 ring_clearto(&netoring); 59#endif 60} 61 62int 63telnet_spin(void) 64{ 65 int ret = 0; 66 67 scheduler_lockout_tty = 1; 68 if (Scheduler(0) == -1) 69 ret = 1; 70 scheduler_lockout_tty = 0; 71 72 return ret; 73 74} 75 76char * 77telnet_getenv(const char *val) 78{ 79 return((char *)env_getvalue((unsigned char *)val)); 80} 81 82char * 83telnet_gets(char *prompt, char *result, int length, int echo) 84{ 85 int om = globalmode; 86 char *res; 87 88 TerminalNewMode(-1); 89 if (echo) { 90 printf("%s", prompt); 91 res = fgets(result, length, stdin); 92 } else if ((res = getpass(prompt))) { 93 strlcpy(result, res, length); 94 res = result; 95 } 96 TerminalNewMode(om); 97 return(res); 98} 99#endif 100