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- /*-
- * Copyright (c) 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)authenc.c 8.1 (Berkeley) 6/6/93";
- #endif /* not lint */
-
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
-
- #if defined(AUTHENTICATION) || defined(ENCRYPTION)
- #include <sys/types.h>
- #include <arpa/telnet.h>
- #include <libtelnet/encrypt.h>
- #include <libtelnet/misc.h>
-
- #include "general.h"
- #include "ring.h"
- #include "externs.h"
- #include "defines.h"
- #include "types.h"
-
- int
- net_write(str, len)
- unsigned char *str;
- int len;
- {
- if (NETROOM() > len) {
- ring_supply_data(&netoring, str, len);
- if (str[0] == IAC && str[1] == SE)
- printsub('>', &str[2], len-2);
- return(len);
- }
- return(0);
- }
-
- void
- net_encrypt()
- {
- #ifdef ENCRYPTION
- if (encrypt_output)
- ring_encrypt(&netoring, encrypt_output);
- else
- ring_clearto(&netoring);
- #endif /* ENCRYPTION */
- }
-
- int
- telnet_spin()
- {
- return(-1);
- }
-
- char *
- telnet_getenv(val)
- char *val;
- {
- return((char *)env_getvalue((unsigned char *)val));
- }
-
- char *
- telnet_gets(prompt, result, length, echo)
- char *prompt;
- char *result;
- int length;
- int echo;
- {
- extern char *getpass();
- extern int globalmode;
- int om = globalmode;
- char *res;
-
- TerminalNewMode(-1);
- if (echo) {
- printf("%s", prompt);
- res = fgets(result, length, stdin);
- } else if (res = getpass(prompt)) {
- strncpy(result, res, length);
- res = result;
- }
- TerminalNewMode(om);
- return(res);
- }
- #endif /* defined(AUTHENTICATION) || defined(ENCRYPTION) */
-