1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 2003-2011 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                 Eclipse Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *          http://www.eclipse.org/org/documents/epl-v10.html           *
11 *         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                 Glenn Fowler <gsf@research.att.com>                  *
18 *                  David Korn <dgk@research.att.com>                   *
19 *                   Phong Vo <kpv@research.att.com>                    *
20 *                                                                      *
21 ***********************************************************************/
22 #pragma prototyped
23 
24 /*
25  * return password buf
26  * return <  0 : error
27  * return >= n : n-1 in buf
28  */
29 
30 #include <codex.h>
31 
32 ssize_t
codexpass(void * buf,size_t n,Codexdisc_t * disc,Codexmeth_t * meth)33 codexpass(void* buf, size_t n, Codexdisc_t* disc, Codexmeth_t* meth)
34 {
35 	char		prompt[2 * CODEX_NAME];
36 
37 	if (disc->passphrase)
38 		return strncopy((char*)buf, disc->passphrase, n) - (char*)buf;
39 	if (disc->passf)
40 		return (*disc->passf)(buf, n, disc, meth);
41 	sfsprintf(prompt, sizeof(prompt), "Enter %s passphrase: ", meth->name);
42 	return codexgetpass(prompt, buf, n);
43 }
44