1 /* $NetBSD: skeyinfo.c,v 1.7 2009/09/05 06:15:24 dholland 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 __RCSID("$NetBSD: skeyinfo.c,v 1.7 2009/09/05 06:15:24 dholland Exp $"); 35 #endif 36 37 #include <err.h> 38 #include <errno.h> 39 #include <pwd.h> 40 #include <stdio.h> 41 #include <string.h> 42 #include <unistd.h> 43 44 #include <skey.h> /* requires stdio.h */ 45 46 int 47 main(int argc, char *argv[]) 48 { 49 struct skey skey; 50 char name[100], prompt[1024]; 51 int uid; 52 struct passwd *pw = NULL; 53 54 argc--; 55 argv++; 56 57 if (geteuid()) 58 errx(1, "Must be root to read /etc/skeykeys"); 59 60 uid = getuid(); 61 62 if (!argc) 63 pw = getpwuid(uid); 64 else if (!uid) 65 pw = getpwnam(argv[0]); 66 else { 67 errno = EPERM; 68 err(1, "%s", argv[0]); 69 } 70 71 if (!pw) { 72 if (argc) 73 errx(1, "%s: no such user", argv[0]); 74 else 75 errx(1, "Who are you?"); 76 } 77 78 (void) strlcpy(name, pw->pw_name, sizeof(name)); 79 80 if (getskeyprompt(&skey, name, prompt) == -1) { 81 printf("%s %s no s/key\n", 82 argc ? name : "You", 83 argc ? "has" : "have"); 84 } 85 else { 86 if (argc) 87 printf("%s's ", pw->pw_name); 88 else 89 printf("Your "); 90 printf("next %s", prompt); 91 } 92 return 0; 93 } 94