1 /*- 2 * Copyright (c) 1990, 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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#) Copyright (c) 1990, 1993 The Regents of the University of California. All rights reserved. 30 * @(#)makekey.c 8.1 (Berkeley) 6/4/93 31 * $FreeBSD: src/libexec/makekey/makekey.c,v 1.8 1999/08/28 00:09:39 peter Exp $ 32 * $DragonFly: src/libexec/makekey/makekey.c,v 1.4 2006/08/13 16:21:34 swildner Exp $ 33 */ 34 35 #include <sys/types.h> 36 37 #include <err.h> 38 #include <errno.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <string.h> 42 #include <unistd.h> 43 44 static void get (char *, int); 45 46 int 47 main(void) 48 { 49 int len; 50 char *r, key[9], salt[3]; 51 52 get(key, sizeof(key) - 1); 53 get(salt, sizeof(salt) - 1); 54 len = strlen(r = crypt(key, salt)); 55 if (write(STDOUT_FILENO, r, len) != len) 56 err(1, "stdout"); 57 exit(0); 58 } 59 60 static void 61 get(char *bp, int len) 62 { 63 int nr; 64 65 bp[len] = '\0'; 66 if ((nr = read(STDIN_FILENO, bp, len)) == len) 67 return; 68 if (nr >= 0) 69 errno = EFTYPE; 70 err(1, "stdin"); 71 } 72