2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
35 static char sccsid[] = "@(#)read_password.c 8.3 (Berkeley) 5/30/95";
39 * $Source: /mit/kerberos/src/lib/des/RCS/read_password.c,v $
42 * Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
45 * For copying and distribution information, please see the file
48 * This routine prints the supplied string to standard
49 * output as a prompt, and reads a password string without
53 #if defined(RSA_ENCPWD) || defined(KRB4_ENCPWD)
57 #include <sys/ioctl.h>
63 /*** Routines ****************************************************** */
65 * This version just returns the string, doesn't map to key.
67 * Returns 0 on success, non-zero on failure.
71 local_des_read_pw_string(s,max,prompt,verify)
81 struct sgttyb tty_state;
82 char key_string[BUFSIZ];
88 /* XXX assume jmp_buf is typedef'ed to an array */
89 memmove((char *)env, (char *)old_env, sizeof(env));
93 /* save terminal state*/
94 if (ioctl(0,TIOCGETP,(char *)&tty_state) == -1)
100 tty_state.sg_flags &= ~ECHO;
101 if (ioctl(0,TIOCSETP,(char *)&tty_state) == -1)
104 (void) printf(prompt);
105 (void) fflush(stdout);
106 while (!fgets(s, max, stdin));
108 if ((ptr = strchr(s, '\n')))
111 printf("\nVerifying, please re-enter %s",prompt);
112 (void) fflush(stdout);
113 if (!fgets(key_string, sizeof(key_string), stdin)) {
117 if ((ptr = strchr(key_string, '\n')))
119 if (strcmp(s,key_string)) {
120 printf("\n\07\07Mismatch - try again\n");
121 (void) fflush(stdout);
132 /* turn echo back on */
133 tty_state.sg_flags |= ECHO;
134 if (ioctl(0,TIOCSETP,(char *)&tty_state))
139 memmove((char *)old_env, (char *)env, sizeof(env));
141 memset(key_string, 0, sizeof (key_string));
142 s[max-1] = 0; /* force termination */
143 return !ok; /* return nonzero if not okay */
145 #endif /* defined(RSA_ENCPWD) || defined(KRB4_ENCPWD) */