1 /* $NetBSD: makekey.c,v 1.6 2001/01/16 02:44:43 cgd 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __COPYRIGHT("@(#) Copyright (c) 1990, 1993\n\ 39 The Regents of the University of California. All rights reserved.\n"); 40 #if 0 41 static char sccsid[] = "from: @(#)makekey.c 8.1 (Berkeley) 6/4/93"; 42 #else 43 __RCSID("$NetBSD: makekey.c,v 1.6 2001/01/16 02:44:43 cgd Exp $"); 44 #endif 45 #endif /* not lint */ 46 47 #include <err.h> 48 #include <errno.h> 49 #include <string.h> 50 #include <stdlib.h> 51 #include <unistd.h> 52 53 static void get(char *, int); 54 int main(void); 55 56 int 57 main(void) 58 { 59 int len; 60 char *r, key[9], salt[3]; 61 62 get(key, sizeof(key) - 1); 63 get(salt, sizeof(salt) - 1); 64 len = strlen(r = crypt(key, salt)); 65 if (write(STDOUT_FILENO, r, len) != len) 66 err(1, "stdout"); 67 exit(0); 68 } 69 70 static void 71 get(char *bp, int len) 72 { 73 int nr; 74 75 bp[len] = '\0'; 76 if ((nr = read(STDIN_FILENO, bp, len)) == len) 77 return; 78 if (nr >= 0) 79 errno = EFTYPE; 80 err(1, "stdin"); 81 } 82