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skeyinfo.c revision 1.2 
      1 /*	$NetBSD: skeyinfo.c,v 1.2 1997/06/24 06:18:58 mikel Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Andrew Brown.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 
     41 #ifndef lint
     42 __RCSID("$NetBSD: skeyinfo.c,v 1.2 1997/06/24 06:18:58 mikel Exp $");
     43 #endif
     44 
     45 #include <stdio.h>
     46 #include <pwd.h>
     47 #include <err.h>
     48 #include <skey.h>
     49 #include <string.h>
     50 #include <unistd.h>
     51 
     52 int main __P((int, char *[]));
     53 
     54 int
     55 main(argc, argv)
     56 	int             argc;
     57 	char           *argv[];
     58 {
     59 	struct skey     skey;
     60 	char            name[100], prompt[1024];
     61 	int             uid;
     62 	struct passwd  *pw = NULL;
     63 
     64 	argc--;
     65 	argv++;
     66 
     67 	if (geteuid())
     68 		errx(1, "must be root to read /etc/skeykeys");
     69 
     70 	uid = getuid();
     71 
     72 	if (!argc)
     73 		pw = getpwuid(uid);
     74 	else if (!uid)
     75 		pw = getpwnam(argv[0]);
     76 	else
     77 		errx(1, "permission denied to look other users skeys");
     78 
     79 	if (!pw) {
     80 		if (argc)
     81 			errx(1, "%s: no such user", argv[0]);
     82 		else
     83 			errx(1, "who are you?");
     84 	}
     85 
     86 	(void) strncpy(name, pw->pw_name, sizeof(name));
     87 	name[sizeof(name) - 1] = '\0';
     88 
     89 	if (getskeyprompt(&skey, name, prompt) == -1) {
     90 		printf("%s %s no s/key\n",
     91 		       argc ? name : "You",
     92 		       argc ? "has" : "have");
     93 	}
     94 	else {
     95 		if (argc)
     96 			printf("%s's ", pw->pw_name);
     97 		else
     98 			printf("Your ");
     99 		printf("next %s", prompt);
    100 	}
    101 	return 0;
    102 }
    103