1 /* $NetBSD: makekey.c,v 1.8 2008/07/20 01:09:07 lukem Exp $ */ 2 3 /*- 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 __COPYRIGHT("@(#) Copyright (c) 1990, 1993\ 35 The Regents of the University of California. All rights reserved."); 36 #if 0 37 static char sccsid[] = "from: @(#)makekey.c 8.1 (Berkeley) 6/4/93"; 38 #else 39 __RCSID("$NetBSD: makekey.c,v 1.8 2008/07/20 01:09:07 lukem Exp $"); 40 #endif 41 #endif /* not lint */ 42 43 #include <err.h> 44 #include <errno.h> 45 #include <string.h> 46 #include <stdlib.h> 47 #include <unistd.h> 48 49 static void get(char *, int); 50 int main(void); 51 52 int 53 main(void) 54 { 55 int len; 56 char *r, key[9], salt[3]; 57 58 get(key, sizeof(key) - 1); 59 get(salt, sizeof(salt) - 1); 60 len = strlen(r = crypt(key, salt)); 61 if (write(STDOUT_FILENO, r, len) != len) 62 err(1, "stdout"); 63 exit(0); 64 } 65 66 static void 67 get(char *bp, int len) 68 { 69 int nr; 70 71 bp[len] = '\0'; 72 if ((nr = read(STDIN_FILENO, bp, len)) == len) 73 return; 74 if (nr >= 0) 75 errno = EFTYPE; 76 err(1, "stdin"); 77 } 78