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Annotation of src/usr.bin/telnet/authenc.c, Revision 1.1.1.1

1.1       deraadt     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: #ifndef lint
                     35: /* from: static char sccsid[] = "@(#)authenc.c 8.1 (Berkeley) 6/6/93"; */
                     36: static char *rcsid = "$Id: authenc.c,v 1.3 1994/02/25 03:00:20 cgd Exp $";
                     37: #endif /* not lint */
                     38:
                     39: #if    defined(AUTHENTICATION)
                     40: #include <sys/types.h>
                     41: #include <arpa/telnet.h>
                     42: #include <libtelnet/encrypt.h>
                     43: #include <libtelnet/misc.h>
                     44:
                     45: #include "general.h"
                     46: #include "ring.h"
                     47: #include "externs.h"
                     48: #include "defines.h"
                     49: #include "types.h"
                     50:
                     51:        int
                     52: net_write(str, len)
                     53:        unsigned char *str;
                     54:        int len;
                     55: {
                     56:        if (NETROOM() > len) {
                     57:                ring_supply_data(&netoring, str, len);
                     58:                if (str[0] == IAC && str[1] == SE)
                     59:                        printsub('>', &str[2], len-2);
                     60:                return(len);
                     61:        }
                     62:        return(0);
                     63: }
                     64:
                     65:        void
                     66: net_encrypt()
                     67: {
                     68: }
                     69:
                     70:        int
                     71: telnet_spin()
                     72: {
                     73:        return(-1);
                     74: }
                     75:
                     76:        char *
                     77: telnet_getenv(val)
                     78:        char *val;
                     79: {
                     80:        return((char *)env_getvalue((unsigned char *)val));
                     81: }
                     82:
                     83:        char *
                     84: telnet_gets(prompt, result, length, echo)
                     85:        char *prompt;
                     86:        char *result;
                     87:        int length;
                     88:        int echo;
                     89: {
                     90:        extern char *getpass();
                     91:        extern int globalmode;
                     92:        int om = globalmode;
                     93:        char *res;
                     94:
                     95:        TerminalNewMode(-1);
                     96:        if (echo) {
                     97:                printf("%s", prompt);
                     98:                res = fgets(result, length, stdin);
                     99:        } else if (res = getpass(prompt)) {
                    100:                strncpy(result, res, length);
                    101:                res = result;
                    102:        }
                    103:        TerminalNewMode(om);
                    104:        return(res);
                    105: }
                    106: #endif /* defined(AUTHENTICATION) */